diff options
Diffstat (limited to 'contrib/gcclibs/libmudflap')
| -rw-r--r-- | contrib/gcclibs/libmudflap/ChangeLog | 1577 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/Makefile.am | 115 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/Makefile.in | 870 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/acinclude.m4 | 12 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/aclocal.m4 | 922 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/config.h.in | 271 | ||||
| -rwxr-xr-x | contrib/gcclibs/libmudflap/configure | 8635 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/configure.ac | 269 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/libtool-version | 6 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/mf-heuristics.c | 175 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/mf-hooks1.c | 485 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/mf-hooks2.c | 2162 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/mf-hooks3.c | 288 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/mf-impl.h | 416 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/mf-runtime.c | 2786 | ||||
| -rw-r--r-- | contrib/gcclibs/libmudflap/mf-runtime.h | 249 |
16 files changed, 19238 insertions, 0 deletions
diff --git a/contrib/gcclibs/libmudflap/ChangeLog b/contrib/gcclibs/libmudflap/ChangeLog new file mode 100644 index 0000000..c2d5943 --- /dev/null +++ b/contrib/gcclibs/libmudflap/ChangeLog @@ -0,0 +1,1577 @@ +2007-05-13 Release Manager + + * GCC 4.2.0 released. + +2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr> + + * configure: Regenerate. + +2006-09-18 Tom Tromey <tromey@redhat.com> + + * configure: Rebuilt. + +2006-06-21 Frank Ch. Eigler <fche@redhat.com> + + PR 21274 + mf-runtime.h installation based on ssp patch for PR 26473 from + Mark Mitchell <mark@codesourcery.com>. + * configure.ac (ACX_NONCANONICAL_TARGET): Use it. + * Makefile.am (target_noncanonical): Define. + (libsubincludedir): New variable. + (nobase_libsubinclude_HEADERS): Add mf-runtime.h. + (include_HEADERS): Remove. + * configure, aclocal.m4, config.h.in: Regenerated. + * Makefile.in, testsuite/Makefile.in: Likewise. + * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT + and _THREAD_SAFE redefinition values. + +2006-05-23 Carlos O'Donell <carlos@codesourcery.com> + + * Makefile.am: Add install-html target. Add install-html to .PHONY + * Makefile.in: Regenerate. + +2006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de> + + PR mudflap/26789 + * testsuite/libmudflap.c++/error1-frag.cxx: New test. + + PR mudflap/26790 + * testsuite/libmudflap.c++/error2-frag.cxx: New test. + +2006-04-10 Matthias Klose <doko@debian.org> + + * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib + directory names containing underscores. + +2005-11-22 Janis Johnson <janis187@us.ibm.com> + + * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from + MUDFLAP_FLAGS if static library not supported. + * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new. + * testsuite/libmudflap.c/externs.exp: Ditto. + * testsuite/libmudflap.c++/ctors.exp: Ditto. + * testsuite/libmudflap.c++/c++frags.exp: Ditto. + * testsuite/libmudflap.cth/cthfrags.exp: Ditto. + +2005-10-04 James E Wilson <wilson@specifix.com> + + * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare + $name as array of characters with unknown bound. Also store into the + array. + * configure: Regenerate. + +2005-09-30 James E. Wilson <wilson@specifix.com> + + * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of + AC_CHECK_HEADER. + (target_thread_file): New. Set from sed'ed gcc output. + (posix_threads): New. Set from target_thread_file. Use instead of + ac_have_pthread_h. + (pthread_create_version): Move initialization before code using it. + * configure: Regenerate. + + * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown + bounds. + +2005-09-29 James E. Wilson <wilson@specifix.com> + + * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect + with HAVE_MMAP ifdef. + +2005-09-23 Frank Ch. Eigler <fche@elastic.org> + + PR 23084. + * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter. + +2005-09-23 Frank Ch. Eigler <fche@elastic.org> + + * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319. + +2005-09-23 Tom Tromey <tromey@redhat.com> + + * aclocal.m4, configure: Rebuilt. + * configure.ac: Use GCC_CHECK_TLS. + * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved + to ../config. + +2005-08-22 Jim Wilson <wilson@specifix.com> + + * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when + __FreeBSD__ is defined. + +2005-08-17 Jim Wilson <wilson@specifix.com> + + * mf-hooks1.c (malloc, calloc, realloc, free, + __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling + the real routines, and END_MALLOC_PROTECT afterwards. + * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc. + (BEGIN_PROTECT): Handle in_malloc state. + (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New. + * testsuite/libmudflap.c/hook2-allocstuff.c: New. + +2005-08-17 Kelley Cook <kcook@gcc.gnu.org> + + * All files: Update FSF address. + +2005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de> + + * mf-hooks3.c (main_seen_p): Remove. + (__mf_get_state): Remove attempt to recognize the main thread. + +2005-08-15 Maciej W. Rozycki <macro@linux-mips.org> + + * configure.ac: Test for the name of the symbol used for the entry + point; define ENTRY_POINT to the result. + * configure: Regenerate. + * config.h.in: Regenerate. + * mf-heuristics.c: Replace _start with ENTRY_POINT throughout. + +2005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de> + + * mf-runtime.c (__mf_state_1): Initialize to reentrant. + (__mf_init): Set thread state active. + * mf-hooks3.c (__mf_pthread_spawner): Always set thread + state active. + (pthread_create wrapper): Always use thread spawner. + + * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout. + * testsuite/libmudflap.cth/pass39-frag.c: Likewise. + +2005-07-16 Richard Henderson <rth@redhat.com> + + * acinclude.m4: New file. + * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS. + * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild. + * mf-hooks1.c (__mf_0fn_malloc): Move body from ... + (__mf_0fn_calloc): ... here. + * mf-hooks3.c (struct pthread_info): Remove. + (__mf_pthread_info, __mf_pthread_info_idx): Remove. + (LIBMUDFLAPTH_THREADS_MAX): Set to 1021. + (struct mf_thread_data): New. + (mf_thread_data, mf_thread_data_lock): New. + (__mf_allocate_blank_threadinfo): Remove. + (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is + not available. + (__mf_state_perthread): Remove. + (__mf_get_state, __mf_set_state): New. + (__mf_pthread_cleanup): Use &errno, rather than saved pointer. + Update mf_thread_data killing procedure. + (__mf_pthread_spawner): Similarly. + (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove + code to allocate thread stack space. + (__mf_0fn_pthread_join, pthread_join): Remove. + (__mf_0fn_pthread_exit, pthread_exit): Remove. + * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove. + (__mf_state_1): Rename from __mf_state; use TLS when available. + (__mf_get_state, __mf_set_state): New. Update all users. + * mf-runtime.c (begin_recursion_protect1): New. + (BEGIN_RECURSION_PROTECT): Use it. + (__mf_state_1): Rename from __mf_state; use TLS when available. + (threads_active_p): Remove. + (__mf_usage): Compute it directly. + +2005-06-19 Ulrich Weigand <uweigand@de.ibm.com> + + * testsuite/libmudflap.c/externs-1.c (main): Add return statement. + +2005-06-15 Frank Ch. Eigler <fche@redhat.com> + + Fix for uncaching bug reported by Herman ten Brugge. + * mf-runtime.c (__mf_uncache_object): Search whole cache. + * testsuite/libmudflap.c/fail40-frag.c: New test. + +2005-05-23 Alfred M. Szmidt <ams@gnu.org> + + PR libmudflap/21724 + * Makefile.am (AM_MAKEFLAGS): Pass includedir. + * Makefile.in: Amend. + +2005-06-14 Frank Ch. Eigler <fche@redhat.com> + + PR mudflap/21023 + * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files. + * testsuite/libmudflap.c/cfrags.exp: Bypass new sources. + +2005-06-14 Frank Ch. Eigler <fche@redhat.com> + + PR libmudflap/21094 + * testsuite/libmudflap.c++/*.exp: Assert build tree g++. + +2005-06-14 Frank Ch. Eigler <fche@redhat.com> + + PR mudflap/22064 + * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary + unsigned vars with #defines instead of enums. + +2005-05-09 Mike Stump <mrs@apple.com> + + * configure: Regenerate. + +2005-04-12 Mike Stump <mrs@apple.com> + + * configure: Regenerate. + +2005-04-12 Frank Ch. Eigler <fche@redhat.com> + + PR mudflap/19266 + * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation. + * testsuite/libmudflap.c++/pass57-frag.cxx: New test. + +2005-04-04 Alan Modra <amodra@bigpond.net.au> + + * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned. + +2005-03-31 Mike Stump <mrs@apple.com> + + * mf-runtime.h: Add libmudflap copyright clause. + +2005-03-21 Mike Stump <mrs@apple.com> + + * mf-heuristics.c: Fix whitespace at end of line. + * mf-hooks1.c: Likewise. + * mf-hooks2.c: Likewise. + * mf-hooks3.c: Likewise. + * mf-impl.h: Likewise. + * mf-runtime.c: Likewise. + * mf-runtime.h: Likewise. + +2005-03-21 Zack Weinberg <zack@codesourcery.com> + + * configure.ac: Do not invoke TL_AC_GCC_VERSION. + In all substitutions, expand gcc_version in Makefile. + * aclocal.m4, configure: Regenerate. + * Makefile.am: Set gcc_version. + * Makefile.in, testsuite/Makefile.in: Regenerate. + +2005-03-17 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.c (__mfu_check): Respect ignore_reads configuration. + * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests. + +2005-02-13 Frank Ch. Eigler <fche@redhat.com> + + PR mudflap/19319 + * testsuite/libmudflap.c++/pass55-frag.c: New test. + +2005-01-05 Richard Henderson <rth@redhat.com> + + * testsuite/libmudflap.c/pass32-frag.c: Fix typo. + +2005-01-02 Greg McGary <greg@mcgary.org> + + * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly. + * mf-runtime.h: New file, replaces mf-runtime.h.in. + * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated. + * Makefile.in: Ditto. + * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h + * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/ + * testsuite/libmudflap.c/fail36-frag.c: New test. + * testsuite/libmudflap.c/fail37-frag.c: New test. + * testsuite/libmudflap.c/fail38-frag.c: New test. + +2004-12-08 Kelley Cook <kcook@gcc.gnu.org> + + * Makefile.am: Add ../config to ACLOCAL_AMFLAGS. + * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate. + +2004-12-02 Richard Sandiford <rsandifo@redhat.com> + + * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version. + * aclocal.m4: Include ../config/gcc-version.m4. + * configure, Makefile.in, testsuite/Makefile.in: Regenerate. + +2004-11-29 Kelley Cook <kcook@gcc.gnu.org> + + * Makefile.am: Define ACLOCAL_AMFLAGS. + * acinclude.m4: Remove. + * stamp-h.in: Remove superfluous stamp file. + * aclocal.m4, configure, Makefile.in: Regenerate. + * testsuite/Makefile.in: Likewise. + +2004-11-24 Kelley Cook <kcook@gcc.gnu.org> + + * Makefile.am: Revert previous. + * acinclude.m4: Restore. + * aclocal.m4, configure, Makefile.in: Regenerate. + * testsuite/Makefile.in: Likewise. + +2004-11-24 Kelley Cook <kcook@gcc.gnu.org> + + * Makefile.am: Define ACLOCAL_AMFLAGS. + * acinclude.m4: Remove. + * aclocal.m4, configure, Makefile.in: Regenerate. + * testsuite/Makefile.in: Likewise. + +2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp. + +2004-11-23 Kelley Cook <kcook@gcc.gnu.org> + + * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3. + * testsuite/Makefile.in: Likewise. + +2004-11-01 Andreas Schwab <schwab@suse.de> + + * configure.ac: (target_alias): Default to $host_alias, not + $target. + * configure: Regenerated. + +2004-10-28 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests. + * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning + message. + +2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR other/18138 + * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc. + +2004-10-12 Frank Ch. Eigler <fche@redhat.com> + + * configure.ac: Check for more headers, functions. + * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for + tracking overridden FILE buffers. + (fopen, setvbuf): New/revised hook functions for buffer overriding. + (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto. + (fflush): Accept given NULL stream (means "all streams"). + * mf-runtime.h.in: + * mf-runtime.c (__mfu_check): Accept accesses that span adjacent + HEAP/GUESS objects. + (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively. + (__mf_adapt_cache): Use them all. + * testsuite/libmudflap.c/pass35-frag.c: Update warning message. + * testsuite/libmudflap.c++/ctors.exp: Ditto. + * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests. + * configure, config.h.in: Regenerated. + +2004-10-05 Frank Ch. Eigler <fche@redhat.com> + + * configure.ac: Checking for sys/socket.h once is enough. + * configure: Regenerated. + +2004-10-04 Frank Ch. Eigler <fche@redhat.com> + + * configure.ac: Look for more headers & functions. + * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions. + * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them. + * mf-runtime.c (options): Clean up integer signedness warnings. + (main): Add a declaration to fix a warning. + * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper. + * configure, config.h.in: Regenerated. + +2004-10-02 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c: + New tests for proper base/limit checking for aggregates. + +2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk> + + * testsuite/libmudflap.c/pass35-frag.c: Update expected message. + +2004-09-07 Frank Ch. Eigler <fche@redhat.com> + + * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions. + * mf-hooks2.c (strerror): Unregister previous string returned by + previous strerror. + (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers. + (getservent,getservbyname,getservbyport,gai_strerror): Ditto. + * mf-runtime.h.in: Add redefine_extname pragmas for them all. + * mf-runtime.c (__mf_describe_object): Clarify object life status. + * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c: + New tests. + * configure, config.h.in: Regenerated. + +2004-08-03 Dale Johannesen <dalej@apple.com> + + * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin. + +2004-08-03 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.c (compare_uintptr_t): Remove function. Inline + simplified contents in all former callers. + +2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de> + + * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in + the statically linked case. + +2004-07-27 Frank Ch. Eigler <fche@redhat.com> + + * splay-tree.[ch]: Remove. Merge contents into ... + * mf-runtime.c: ... here, renaming symbols and making all functions + static. Remove unused min/max functions. + * Makefile.am: Forget about splay-tree.[ch]. + * Makefile.in, testsuite/Makefile.in: Regenerated. + +2004-07-21 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling. + (__mfu_usage): Include (C) 2004. + * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions + here. Include a comment explaining why. + +2004-07-20 Frank Ch. Eigler <fche@redhat.com> + + * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields. + * mf-runtime.c (options): Give them a name. + (__mf_set_default_options): Set them. + (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps. + (__mf_violation): Warning cleanup. + * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option. + * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl. + +2004-07-15 Frank Ch. Eigler <fche@redhat.com> + + g++/15861 + * mf-runtime.c (__mf_init): Make it non-static. Tolerate + repeated invocation. + +2004-07-09 Frank Ch. Eigler <fche@redhat.com> + + Test case for g++/15861 + * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves. + * testsuite/libmudflap.c++/ctors.exp: Driver. + * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default. + Look only for *frag* test cases. + +2004-07-08 Frank Ch. Eigler <fche@redhat.com> + + ANSI C conversion, libmudflap specialization, recursion limiting. + * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data + argument and indirection function pointers, update callers. + (splay_tree_s): Add statistics and recursion control fields + num_keys, max_depth, depth, rebalance_p. + * splay-tree.c (splay_tree_splay_helper): Track recursion depth. + Back out of search if it exceeds limit. + (splay_tree_splay): Manage recursion limiting with rebalancing as + needed. + (splay_tree_new): More initialization. + (splay_tree_rebalance): New function. + (splay_tree_foreach): Rewrite using nonrecursive logic. + (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate): + Remove. Point indirect calls to mf-runtime.c's routines. + (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused + functions. + (splay_tree_delete, splay_tree_delete_helper): Ditto. + * testsuite/heap-scalestress.c: New test based on one from + Eyal Lebedinsky <eyal@eyal.emu.id.au>: + +2004-07-05 Matthias Klose <doko@debian.org> + + * libtool-version: New. + * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS): + Use -version-info for soname. + * Makefile.in: Regenerate. + * configure.ac: Remove libtool_VERSION macro + * configure: Regenerate + +2004-07-05 Zack Weinberg <zack@codesourcery.com> + + * mf-runtime.h.in: Wrap declarations of struct __mf_cache, + __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in + #ifndef _MUDFLAP. + +2004-06-29 Frank Ch. Eigler <fche@redhat.com> + + Splay tree implementation fork. + * splay-tree.c, splay-tree.h: Copied & modified from libiberty. + Use hard-coded comparison function for uintptr_t. Remove key/value + deallocation logic. Cache last splayed key for consecutive lookups. + * Makefile.am, Makefile.in: Use them, don't link to them. + * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new. + (__mf_find_objects2): Flip successor/predecessor search sequence. + * ansidecl.h, libiberty.h: Removed dummy files. + +2004-06-29 Nick Clifton <nickc@redhat.com> + + * configure.ac (AC_CHECK_HEADERS): Add dirent.h + * configure: Regenerate. + * mf-hooks2.c: Surround uses of dirent.h with #ifdef + HAVE_DIRENT_H. + Remove spurious inclusion of <strings.h>. + +2004-06-29 Nick Clifton <nickc@redhat.com> + + * mf-runtime.c (pthread_join): Only apply the weak pragma if the + function actually exists. + +2004-06-25 Frank Ch. Eigler <fche@redhat.com> + + * ansidecl.h, libiberty.h: New dummy files for building splay-tree. + * config.h.in: Regenerated. + +2004-06-24 Frank Ch. Eigler <fche@redhat.com> + + Adopt splay trees for object database. + * Makefile.am: Copy splay-tree.* from libiberty. + * Makefile.in, testsuite/Makefile.in: Regenerated. + * mf-runtime.h.in (__mf_unregister): Add third parameter (type). + * mf-hooks[123].c (*): Add new third parameter to mf_unregister. + * mf-impl.h (BEGIN_PROTECT): Remove some trace text. + * mf-runtime.c: Rewrite code dealing with object database to use + libiberty splay trees. Remove tree liveness aging option. + * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag. + +2004-06-15 Paolo Bonzini <bonzini@gnu.org> + + * configure.ac: New name of configure.in. Update + AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES, + AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for + Autoconf 2.5x and Automake 1.7 or later. + * configure.in: Remove. + * configure: Regenerate. + + * Makefile.am: Remove useless multilib rules. + * Makefile.in: Regenerate. + +2004-06-15 Paolo Bonzini <bonzini@gnu.org> + + * .cvsignore: New file. + +2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net> + + PR libmudflap/13505 + * mf-hooks2.c (semctl): Add cygwin porting hack. + +2004-06-09 Frank Ch. Eigler <fche@redhat.com> + + ctype support. + * configure.in: Look for ctype header and glibc implementation. + * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype + array hooks for glibc 2.3. + * mf-runtime.h.in: Wrap them. + * mf-runtime.c (__mf_init): Leave marker regarding other ctype + implementations. + * testsuite/libmudflap.c/pass47-frag.c: New test. + * configure, config.h.in: Regenerated. + +2004-06-04 Frank Ch. Eigler <fche@redhat.com> + + Portability improvements, e.g., libmudflap/15293. + * configure.in: Look for glibc extension functions. Look for + support of -f{function,data}-sections. Look for more headers. + Create testsuite/mfconfig.exp. Correct more "test x.." thinkos. + * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled + mf-hooks* into usual single object per source. + * mf-hooks*.c: Remove all #if WRAP_foo conditionals. + * mf-hooks2.c: #include a bunch more system headers. Define strnlen + if system doesn't provide one. + * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields. + (pthread_create): Use it to properly GC dead thread stacks. + * mf-runtime.c (__mf_violation): Correct snprintf type warning. + * testsuite/Makefile.am: Stop generating site.exp. + * testsuite/mfconfig.exp.in: New file. + * testsuite/config/default.exp: Load new mfconfig.exp. + * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries. + (prune_gcc_output): Add glibc static linking warnings. + * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs. + * testsuite/libmudflap.c/pass46-frag.c: Ditto. + * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in: + Regenerated with autoconf 2.57 and automake 1.7. + +2004-06-04 Per Bothner <per@bothner.com> + + * configure.in (LIBMUDFLAPTH): Fix thinko. + + * configure.in: Check for more headers. + * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc. + + * mf-runtime.c: In two places conditionalize on SIUSR1 rather than + HAVE_SIGNAL as mingw has signal.h but not SIUSR1. + +2004-06-01 Andreas Jaeger <aj@suse.de> + + * configure.in: Handle multilibs, support + --enable-version-specific-runtime-libs. + * Makefile.am (lib_LTLIBRARIES): Rename to ... + (toolexeclib_LTLIBRARIES): this for multilib support. + * Makefile.in: Regenerated. + * configure: Regenerated. + * aclocal.m4: Regenerated. + * config.h.in: Regenerated. + * testsuite/Makefile.in: Regenerated. + +2004-06-01 Andreas Jaeger <aj@suse.de> + + * testsuite/lib/libmudflap.exp (libmudflap-init): Handle + multilibs, using multilib directory instead of hardcoded path. + Set LD_RUN_PATH. + +2004-05-21 Frank Ch. Eigler <fche@redhat.com> + + * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS. + * Makefile.in: Ditto. + +2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org> + + * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*. + * aclocal.m4, configure: Rebuilt. + +2004-05-17 Frank Ch. Eigler <fche@redhat.com> + + * lib/libmudflap.exp (libmudflap-init): For C++ test cases only, + import some build settings from libstdc++-v3 testsuite_flags. + * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding + changes to pass test language. + + * mf-runtime.c (__mfu_check): Poison the cache with antidote for + quicker mode-nop handling. + +2004-03-25 Frank Ch. Eigler <fche@redhat.com> + + * mf-impl.h: Added libgcc license header. + +2004-03-20 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c: + Added libgcc license header. + * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness. + (pthread_create): Simplify stack allocation syntax. + +2004-03-08 Loren J. Rittle <ljrittle@acm.org> + + * mf-hooks2.c: Support FreeBSD. + (WRAP_gets): Avoid gets(). + * testsuite/libmudflap.c/pass-stratcliff.c: Do not + test unimplemented mem/str calls on FreeBSD. + * testsuite/libmudflap.c/pass21-frag.c: Do not include + <alloca.h> on FreeBSD. + +2004-01-30 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call. + * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir. + * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler + flags for static linking permutation. + * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid + some pthreads code that croaks on linux glibc tls. + +2004-01-27 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests. + +2004-01-15 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/pass44-frag.c: New test. + +2004-01-12 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests. + +2004-01-08 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc. + +2003-12-11 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests. + +2003-12-08 Andrew Pinski <pinskia@physics.uc.edu> + + PR libmudflap/12670 + * configure.in: Add check for see if + socklen_t typedef is in sys/socket.h. + * mf-hooks1.c: Add define if socklen_t + is not typedef. + * mf-hooks2.c: Likewise. + * mf-hooks3.c: Likewise. + * config.h.in: Regen. + * configure: Regen. + +2003-12-08 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.c (__mf_watch_or_not): Tweak tracing message. + * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing + optimizations. + * testsuite/libmudflap.c/pass25-frag.c: Ditto. + * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping + (unoptimized) allocation of stack space. + +2003-12-07 Richard Henderson <rth@redhat.com> + + * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11. + * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline. + +2003-12-06 Andrew Pinski <apinski@apple.com> + + partial PR libmudflap/12670 + * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE. + * mf-hooks2.c: Likewise. + * mf-hooks3.c: Likewise. + +2003-11-19 Frank Ch. Eigler <fche@redhat.com> + + libstdc++/11696 + * mf-runtime.h.in: Switch to #pragma redefine_extname for + symbols interposed at compile time. + * testsuite/libmudflap.c++/pass41-frag.cxx: New test. + + libmudflap/12939 + * mf-hooks2.c (semctl): Tolerate FreeBSD. + + * configure.in: Reorganize check for <pthread.h>. + * configure: Regenerated. + +2003-11-04 David Edelsohn <edelsohn@gnu.org> + + * mf-runtime.c (_ALL_SOURCE): Define for AIX. + (_LARGE_FILE_API): Define for AIX. + * mf-hooks[123]: Same. + (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX. + +2003-10-21 David Edelsohn <edelsohn@gnu.org> + + * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX. + +2003-07-29 Frank Ch. Eigler <fche@redhat.com> + + 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * configure.in: Update check for union semun. + +2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + PR other/11673 + * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN. + +2003-07-29 Frank Ch. Eigler <fche@redhat.com> + + PR other/11673 + * configure.in: Add checks for 64-bit LFS functions, struct semun + definition, for BSD compatibility. + * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE. + * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls. + * mf-hooks3.c: Ditto. + (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS + mmap flag. + * configure, config.h.in: Regenerated. + +2003-07-23 Frank Ch. Eigler <fche@redhat.com> + + Multithreading fixes: + * mf-runtime.c (__mf_object): Store allocating/deallocating + thread id. + (options): Support new "-thread-stack" option. + Rename "-heur-argv-environ" option to "-heur-stdlib". + Disable "-lc-mask" and "-lc-shift" options. + (__mf_dynamic): Add function pointers for pthread_join/_exit. + (__assert_fail): New self-contained function for glibc. + * mf-hooks3.c: Essentially rewritten, particularly related to + use of __mf_pthread_info array. + (pthread_join, _exit): New hook functions. + * mf-impl.h (BEGIN_PROTECT): Handle starting_p case. + * testsuite/libmudflap.cth/pass40-frag.c: New test. + + Warning cleanups: + * mf-heuristics.c: Add type casts for tracing, sub calls. + * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type. + Update all callers to declare explicit result holder. + (END_PROTECT): Removed. + * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS. + +2003-07-15 Diego Novillo <dnovillo@redhat.com> + + * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers. + * testsuite/libmudflap.c/fail15-frag.c: Likewise. + * testsuite/libmudflap.c/fail13-frag.c: Likewise. + +2003-07-04 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ... + * mf-hooks: Removed. + * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT): + Move these macros from old mf-hooks.c here. + * Makefile.am: Adapt to split-up hook sources for faster builds. + * Makefile.in: Regenerated. + + * mf-heuristics.c: Remove #if-0 block. + + * mf-impl.h (__mf_state): Reorganize declaration and implementation. + (__mf_starting_p): New state only for use while dlsym bootstrapping. + (CALL_REAL, __mf_init): Corresponding changes. + (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update + all callers to remove redundant "mf:" prefix. + * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth. + * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value. + (__mf_pthread_info): Become a hash table. + + * testsuite/lib/mfdg.exp: Support new "dg-timeout" and + "dg-repetitions" directives to control test case execution. + * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat + options. + * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test. + +2003-06-25 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks.c (alloca): Separate into stub. + (__mf_wrap_alloca_indirect): New function. Use CALL_REAL + malloc/free for alloca blocks. + (pthread_create): Tolerate failing pthread_attr_get* calls. + * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect. + * mf-impl.h (CALL_WRAP): Remove macro. + * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>. + * testsuite/libmudflap.c/pass23-frag.c: Include more struct + padding for ia64 BIT_FIELD_REF constructs. + +2003-06-19 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks.c (struct pthread_info): Add "thread_errno" field. + (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS + libmudflap object type. + * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid + crashes on unregistering STATIC objects. + +2003-06-17 Frank Ch. Eigler <fche@redhat.com> + + Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>: + * mf-hooks.c (__mf_pthread_spawner): Register thread errno. + (time, strerror, fopen, fopen64, fclose, fread): New hooks. + (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks. + (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks. + (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks. + (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks. + (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks. + (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks. + (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks. + (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks. + (accept, bind, connect, gethostname, sethostname): New hooks. + (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks. + (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks. + (semop, semctl, shmctl, shmat, shmdt): New hooks. + * mf-runtime.h.in: Corresponding changes. + * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type. + (opts) Rename heur_argv_environ to heur_std_data. + (__mf_wrap_main): Use STATIC type for argv/environ strings. + * Makefile.am: Corresponding changes. + * Makefile.in: Regenerated. + +2003-06-11 Frank Ch. Eigler <fche@redhat.com> + + * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds + heuristic for threaded case, and for non-x86-linux targets. + * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation + for use during pre-main() program startup. + (__mf_0fn_*): Make these functions non-static. + * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook + functions. + * mf-runtime.c (__mf_state): Set initial state to "starting". + (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol. + (__wrap_main): New function to register argv[] and environ[] strings. + (__mf_ini): Call it. + (*): In all trace functions, use "%p" as formatter for uintptr_t. + + * testsuite/libmudflap.c/pass38-frag.c: New test case. + * testsuite/libmudflap.cth/pass37-frag.c: Improved test. + + * acinclude.m4: Add comments with aoliva's concerns about x86_64 + pass_all. + * aclocal.m4, configure: Regenerated. + +2003-06-04 Frank Ch. Eigler <fche@redhat.com> + + * acinclude.m4: Correct typo in AC_MSG_CHECKING. + * aclocal.m4, configure: Regenerated. + +2003-06-03 Frank Ch. Eigler <fche@redhat.com> + + * acinclude.m4: Force "pass_all" deplibs_check_method for libtool + for x86_64 target. Disable caching for this value. + * aclocal.m4, configure: Regenerated. + +2003-06-02 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings + is about to become deprecated, and its present handling bugs are + unworthy of fixing. + +2003-05-30 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/pass38-frag.c: New test for + -fwritable-strings. + +2003-05-23 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of + __mf_report, asserting reentrant calling context. + +2003-05-23 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks.c (realloc): Correct reentrancy logic. + * testsuite/libmudflap.c/hook-allocstuff.c: New test case. + +2003-05-20 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces + PTHREAD_THREADS_MAX. Update users. + * mf-runtime.c (__mf_usage): Print [active] instead of [default] + for active options. + * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file + with libmudflapth presence indicator. + * testsuite/Makefile.in: Regenerated. + +2003-05-16 Frank Ch. Eigler <fche@redhat.com> + + * Makefile.am (AM_CFLAGS): Remove "-ansi". + * configure.in: Remove silly no-pthreads => no-shared logic. + * Makefile.in, configure: Regenerated. + * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks. + * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy + code. Count reentrancy events. + (all hook functions): Don't directly manipulate __mf_state variable. + Add TRACE calls to hook functions without them. + * mf-impl.h (LOCKTH): Try to count lock contention events. + (VERBOSE_TRACE, TRACE): Remove reentrancy hacks. + * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT): + Reorganize reentrancy code. + (external __mf_ entry points): Use RECURSION_PROTECT mechanism to + identify reentrancy with mutex holding times. + (internal __mfu_ entry points): Remove internal reentrancy code. + (__mf_init): Use ordinary locked calls. + (__mfu_report): Print the two new counts. + * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages. + * testsuite/libmudfap.cth/cthfrags.exp: New test driver. + * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test. + * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap + option defaults. + +2003-05-09 Frank Ch. Eigler <fche@redhat.com> + + * configure.in: Add pthread support, plus glibc and porting hacks. + * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth + from objects built into ./pth/. + * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked + functions for internal entry points. Update callers to pick + locked vs. unlocked variants. + (__mf_resolve_single_dynamic): Extend to support symbol versioning + info coming in from a static data structure. + (*): Reorder miscellaneous declarations to group data vs functions. + (__mf_set_default_options): Simplify. + (__mf_usage): Mention threading status of host executable. + * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic + decls to match above. + (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management. + * mf-heuristics.c: Choose between locked/unlocked calls. Add + some lock/unlock markers. Remove some unused code. + * mf-hooks: Ditto. + (pthread_create): New hook function. + (__mf_pthread_cleanup, _spawner): New helper functions. + * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated. + +2003-05-02 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags. + +2002-04-28 Frank Ch. Eigler <fche@redhat.com> + + * Makefile.am (HOOKOBJS): Add *time related hooks. + * configure.in: Look for pthreads.h header. + * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers. + * mf-runtime.c: Begin sketching some pthreads support. + (__mf_usage): Check for -lpthread presence. + (__mf_unregister): Confirm matching unregistration base. + (__mf_find_objects_rec): Reduce unnecessary recursion. + * mf-runtime.h.in: Add "nothrow" attribute to functions. Add + #defines for new hook functions. + * mf-impl.h: Corresponding changes. + * config.h.in, configure, Makefile.in: Regenerated. + +2002-04-27 Diego Novillo <dnovillo@redhat.com> + + * testsuite/libmudflap.c/fail1-frag.c: Add volatile + modifiers to prevent being optimized away. + * testsuite/libmudflap.c/fail10-frag.c: Likewise. + * testsuite/libmudflap.c/fail13-frag.c: Likewise. + * testsuite/libmudflap.c/fail14-frag.c: Likewise. + * testsuite/libmudflap.c/fail15-frag.c: Likewise. + * testsuite/libmudflap.c/fail2-frag.c: Likewise. + * testsuite/libmudflap.c/fail20-frag.c: Likewise. + * testsuite/libmudflap.c/fail3-frag.c: Likewise. + +2003-04-15 Frank Ch. Eigler <fche@redhat.com> + + * Makefile.am (libmudflap_la_LIBADD): Remove -ldl. + * configure.in: Look for uintptr_t and -ldl on target. + * mf-runtime.h.in: Adjust uintptr_t declaration logic. + * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated. + * testsuite/Makefile.in: Regenerated. + * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls + for better C compliance. + +2003-04-15 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy + prevention code. + * mf-runtime.c (__mf_set_default_options): Turn off + check-initialization. + (__mf_describe_object): Shorten description. + * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization. + +2003-04-07 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>. + +2003-04-02 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant + calls specially. + (__mf_0fn_malloc ... _munmap): New dummy backup calls. + * mf-impl.h (CALL_BACKUP): New macros. + * mf-runtime.c (__mf_init): Tweak __mf_state during startup. + +2003-03-31 Frank Ch. Eigler <fche@redhat.com> + + * Makefile.am (AM_CFLAGS): Remove optimization flags. + (HOOKOBJS): Remove dlopen hook. + (libmudflap_la_LIBADD): Add -ldl. + * mf-hooks.c (dlopen): Remove hook. + * mf-impl.h (__mf_dynamic): Ditto. + * mf-runtime.c (__mf_resolve_dynamics): Ditto. + * Makefile.in: Regenerated. + +2003-03-28 Frank Ch. Eigler <fche@redhat.com> + + * configure.in: Check for target gettimeofday, signal, some headers. + * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment + out inop multi_threaded field. + * mf-runtime.c (options): Handle new "-sigusr1-report" option. + (__mf_set_options): Correct handling of "-help". + (__mf_sigusr1_respond): New function to manage SIGUSR1 response. + (__mf_check, __mf_register, __mf_unregister): Call it. + (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY. + (__mf_report_leaks): Make callable + (__mf_tree_analyze): Traverse in-order. Accumulate address bit + distribution statistics. + (__mf_adapt_cache): Rewrite shift guessing logic based on address + bit distributions. + * config.h.in, configure: Regenerated. + * testsuite/libmudflap.c/fail27-frag.c: New test. + * testsuite/libmudflap.c/pass36-frag.c: New test. + +2003-03-11 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.h.in: Tweak. + * Makefile.am, configure.in: Tweak mf-runtime.h generation some more. + Don't use intermediate files nor AC_OUTPUT-time postprocessing. + * Makefile.in, testsuite/Makefile.in, configure: Regenerated. + +2003-03-10 Frank Ch. Eigler <fche@redhat.com> + + * configure.in: Tweak generation of mf-runtime.h some more. It + needs to work from both config.status and configure. + * configure: Regenerated. + +2003-03-10 Frank Ch. Eigler <fche@redhat.com> + + * Makefile.am: Reorganize hook file building. Add auto dependencies. + * configure.in: Tweak generation of mf-runtime.h. + * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I. + * mf-hooks.c (*): Adapt to initialized-heap object type. + * mf-impl.h: Tweak cemetary boundaries. + * mf-runtime.c (__mf_check): Adapt to new initialized-heap object + type. + (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto. + (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto. + * testsuite/lib/libmudflap.exp (includes): Include build tree. + * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization + checking. + * testsuite/.../fail{25,26}-frag.c: New tests. + * testsuite/.../pass{32,33,34,35}-frag.c: New tests. + * Makefile.in, configure: Regenerated. + +2003-03-05 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.c (__mf_set_default_options): Turn on initialization + checking by default. + (__mf_insert_new_object): As a temporary hack, assume that new + objects registered on the stack start out initialized. + * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize + heap objects by hand. + +2003-03-05 Frank Ch. Eigler <fche@redhat.com> + + Switch to macro-style hooks for str*/mem*/b* functions. + * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out. + (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case. + * mf-runtime.c: #include config.h to enable glibc backtraces again. + (__mf_set_default_options): Turn off heur_proc_map. + (*): Adapt to to macro-style hook functions. + (__mf_object_dead_head, __mf_object_cemetary): Correct bounds. + (__mf_check, __mf_register, __mf_unregister): Tweak tracing message. + (__mf_violation): Handle __MF_VIOL_WATCH. + * mf-impl.h (__MF_TYPE_*): Moved these internal values here. + (__mf_dynamic): Removed mem*/str*/b* functions. + (TRACE, VERBOSE_TRACE): Add reentrancy locking. + (WRAPPER2): New macro for macro-style hooks. + * mf-hooks.c: Convert mem*/str*/b* functions to simpler + macro-style hooks. + (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering. + * mf-heuristics.c: Adapt to macro-style hook functions. + Correct some comments. + * testsuite/lib/mfdg.exp (dg-test): Simplify result string for + output pattern tests. + * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test. + * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests. + +2003-02-28 Frank Ch. Eigler <fche@redhat.com> + + * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests + for global array registration. + * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto. + * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack. + +2003-02-27 Frank Ch. Eigler <fche@redhat.com> + + * Makefile.am: Add gross make bug workarounds. Tweaked + SUBDIRS and AM_CFLAGS. + * Makefile.in: Regenerated. + +2003-02-26 Frank Ch. Eigler <fche@redhat.com> + + Switch to dejagnu. + * configure.in (AC_PROG_CXX): Don't look for C++ any more. + * Makefile.am (TESTS): Remove simple automake testing. + * configure, Makefile.in: Regenerated. + (SUBDIRS): Include new testsuite/ directory. + * tests/*: Removed all files; moved bulk under: + * testsuite/*: New subdirectory tree. + * testsuite/libmudflap.c/cfrags.exp: New file, C test driver. + * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver. + * testsuite/lib/libmudflap.exp: New file, derived from libstdc++. + * testsuite/lib/mfdg.exp: New file, derived from dejagnu. + * testsuite/config/default.exp: New file. + * testsuite/Makefile.am, Makefile.in: New files. + +2003-01-29 Frank Ch. Eigler <fche@redhat.com> + + * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check". + (TESTS): Add fail22 and pass29 tests. + * mf-runtime.h.in: Change API to take void*/size_t region parameters. + Add new access-type parameter for __mf_check. Move __MF_VIOL* out. + * mf-impl.h: Corresponding changes. Update CLAMP* macros for void* + values. Move __MF_VIOL* here. + * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h. + (check_initialization): New field in __mf_opts. Default off. + (read_count,write_count): New fields in __mf_object. + (__mf_check): Implement basic initialization checking. + (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized. + (__mf_describe_object): Print new fields. + (__mf_violation): Identify check/read vs. check/write in messages. + * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new + "-check-initialized" mudflap option. + * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes. + * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter. + Drop __FILE__/__LINE__ hack. Update callers. + (*): Adapt to new mf-runtime.h API. + * Makefile.in: regenerated. + +2003-01-24 Frank Ch. Eigler <fche@redhat.com> + + * configure.in: Build mf-runtime.h a more proper way. + * mf-hooks.c (strdup, strndup): Correct reentrancy logic. + * mf-runtime.c (verbose_violations): Turn on by default. + * mf-runtime.h.in: Remove some miscellaneous stuff ... + * mf-impl.h: ... and move it here. + * configure: Regenerated. + +2003-01-22 Frank Ch. Eigler <fche@redhat.com> + + * configure.in: Look for C++ compiler. + * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and + fixed type warnings when built with C++. + * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests. + * Makefile.am (TESTS): Run them. + (*) Add new rules for building and running C++ tests. + (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues. + * mf-runtime.h.in: Protect with extern "C". + * Makefile, configure: Regenerated. + +2003-01-06 Frank Ch. Eigler <fche@redhat.com> + + Portability improvements. + * configure.in: Look for glibc backtrace headers/functions. + * mf-hooks.c: Don't include <execinfo.h> any more. + * mf-runtime.c (__mf_set_options): Call more stdlib functions + via CALL_REAL. + (__mf_backtrace): Provide alternate baby implementation in + absence of glibc. + * test/mf-driver.c: Portability tweaks. + * acinclude.m4: New file, containing top level libtool.m4. + * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated. + +2002-12-19 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally. + +2002-11-08 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack" + options. + (__mf_unregister): Implement stack/heap object wiping. + (__mf_set_options): Renamed from __mf_process_opts. + (__mf_uncache_object): Change arg type, correct callers. + * mf-impl.h: Corresponding changes. + * mf-hooks.c (realloc): Save/restore heap-wiping flag. + * mf-runtime.h.in (__mf_set_options): Extend public API. + * test/pass26-frag.c: New test for stack wiping. + * Makefile.am (TESTS): Run it. + * Makefile.in: Regenerated. + +2002-11-07 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API. + * mf-runtime.c (__mf_object_t): Add watching_p field. + (__mf_watch_or_not): New function to implement + object watch flagging. + (__mf_watch, __mf_unwatch): New wrappers for above. + (__mf_check, __mf_describe_object): Handle objects with watching_p. + (__mf_count_violation): Enlarge array. + (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't + unlink object. Clear cache properly. + (__mf_unregister): Unlink object explicitly before uncaching. + * test/fail21-frag.c, pass25-frag.c: New tests. + * Makefile.in, aclocal.m4: Regenerated. + +2002-11-05 Frank Ch. Eigler <fche@redhat.com> + + * test/fail20-frag.c: New test for NULL pointer dereferencing. + * Makefile.am (TESTS): Add it. + * test/pass-stratcliff.c: Add decls of stpcpy. + * configure.in: Test for <stdint.h>. Generate mf-runtime.h in + build tree from config.h and new file mf-runtime.h.in. + * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl. + * Makefile.in, configure, config.h.in: Regenerated. + * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros. + * mf-runtime.c (options, __mf_set_default_options): Support new + default "abbreviate" option. + (__mf_object.description_epoch): New field. + (__mf_describe_object): Conditionally abbreviate objects already + displayed in current epoch. Accept NULL input to increment epoch. + (__mf_fini, __mf_ini): Reset description epoch. + (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure + that NULL pointer slot in lookup cache is invalidated. Register a + NOACCESS region around NULL. + * mf-impl.h: Corresponding changes. + +2002-10-16 Frank Ch. Eigler <fche@redhat.com> + + * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests. + * Makefile.am: Run them. Install mf-runtime.h. + * Makefile.in: Regenerated. + * mf-hooks.c: Add some markers for more missing functions. + * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based + statistic to tune tune cache size (mask). + +2002-10-01 Frank Ch. Eigler <fche@redhat.com> + + * test/pass23-frag.c: New test for bit_field_ref expressions. + * Makefile.am, Makefile.in: Add new test. + * mf-hooks.c (mmap, munmap): Rewrite to track individual pages. + (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations. + * mf-runtime.c (__mf_init): Register errno global. + (__mf_find_object): Removed function. + (__mf_check): Rewrite logic to support accesses across some + contiguous but distinctly registered objects. + (__mf_remove_old_object): Tolerate cache entries that span + contiguous objects. + +2002-09-30 Frank Ch. Eigler <fche@redhat.com> + + * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields. + * Makefile.am, Makefile.in: Run new tests. + * mf-hooks.c (alloca): Correct stack direction logic. + +2002-09-26 Frank Ch. Eigler <fche@redhat.com> + + * mf-impl.h (adapt_cache): New option. + * mf-runtime.c (__mf_set_default_options): Set its default value. + Tweak the tree_aging parameter down. + (__mf_check): Maintain separate counter for cache-adaptation. + (__mf_tree_analyze): New function to collect object tree stats. + (__mf_adapt_cache): New function to automate cache parameters. + +2002-09-24 Frank Ch. Eigler <fche@redhat.com> + + * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add + hypothetical #if-0'd argv/envp region registration. + * mf-runtime.c (__mf_init): Add kludged form of above. + (*) Add "heur_argv_environ" flag, default on, to govern this. + * mf-impl.h: Corresponding changes. + +2002-09-20 Frank Ch. Eigler <fche@redhat.com> + + * test/fail18-frag.c: New test file for NOACCESS regions. + * Makefile.am (TESTS): Add new test. + * Makefile.in: Regenerated. + + * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic. + * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000. + (optimize_object_tree): Remove unused mudflap_option. + * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing + support throughout. Use .._MAX_CEM for cemetary upper bound. + * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS + regions. + (__mf_object): Add new liveness field for use by tree aging. + (__mf_check): Trigger tree aging when needed. + (__mf_age_tree): New function to decay liveness field. + (__mf_find_objects_rec): Use liveness field to rotate tree. + (__mf_insert_new_object): Only provide backtrace for HEAP objects. + (__mf_unregister): Ditto. + (__mf_register): Tweak duplicate-static message. + (__mf_violation: Tweak nearby-object counter printing. + +2002-09-16 Frank Ch. Eigler <fche@redhat.com> + + * test/pass20-frag.c: New test file. + * Makefile.am (TESTS): Reorganize. Add pass20 test. + * Makefile.in: Regenerated. + + * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers. + * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here. + * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map + entries to avoid repeat registration. + * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions. + (__mf_register, __mf_unregister): Rewrite GUESS handling logic. + +2002-09-09 Frank Ch. Eigler <fche@redhat.com> + + * Makefile.am: Create test sources with #include, not cat>>. + * Makefile.in: Regenerated. + * test/buildtest.sh: Removed. + * test/driver.c (abort_handler, main): Be quiet. + +2002-09-06 Frank Ch. Eigler <fche@redhat.com> + + * test/pass18-frag.c, pass19-frag.c: New tests. + * Makefile.am (check): Run them. Rebuild test programs each time. + * Makefile.in: Regenerated. + +2002-09-06 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.c (__mf_register): Correct SEGV-inducing error in + overlapping object search. + (__mf_violation): Likewise for nearby objects. + Improve nearby-object listing. + + cleanup: + * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks. + * mf-heuristics.c (__mf_heuristic_check): Tweak message. + +2002-09-03 Frank Ch. Eigler <fche@redhat.com> + + alloca support: + * Makefile.am (AM_CFLAGS): New definition of needed settings. + (HOOKOBJS): Add alloca-hook.o. + * mf-hooks.c (alloca): New function to implement alloca in libiberty + style. + * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks. + (__mf_backtrace): Reimplement without using alloca. + * Makefile.in: Regenerated. + + cleanup: + * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr). + Correct signedness bugs in length-tracking variables. + * mf-impl.h: Make options unsigned. + (CALL_WRAP): New macro to parallel CALL_REAL(). + (DECLARE): Remove erroneous ";" at end. + * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p + formatting specs with %08lx. Correct several compiler warnings. + +2002-08-28 Frank Ch. Eigler <fche@redhat.com> + + * mf-runtime.c (__mf_violation): Try harder to locate nearby objects. + +2002-08-27 Frank Ch. Eigler <fche@redhat.com> + + libmudflap hook breakup: + * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH + for libgcc_s. + (TESTS): Make dependent on libmudflap. + (HOOKOBJS): Break up mf-hooks.o into many little hook objects, + compiled from segments of mf-hooks.c. + * mf-hooks.c: Corresponding changes: wrap each function in + #ifdef/#endif. + * Makefile.in: Regenerated. + + Heuristics reorganization: + * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics): + Remove these functions. Update callers. + (__mf_heuristic_check): Incorporate all the various heuristics. + Encode cacheability/retry judgement into trinary return value. + Separate start-end logic into a separate fallback heuristic. Only + register relevant /proc/self/map segments. + * mf-impl.h: Corresponding changes. + * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic. + (__mf_init): Don't call __mf_init_heuristics. + + Tracing cleanup: + * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION + "-verbose-trace" to emit all tracing messages other than those of + basic public api. Eliminate some duplicate/excessive messages. + * mf-runtime.h: Corresponding changes. + +2002-08-27 Graydon Hoare <graydon@redhat.com> + + * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap + and __real when compiled with -DPIC. + * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly. + * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests. + * Makefile.in: Regenerate. + +2002-08-26 Graydon Hoare <graydon@redhat.com> + + * mf-impl.h: New file, private implementation header. + * mf-runtime.h: Reorganize a bit. + (CLAMPSZ): Fix arithmetic. + (__MF_CACHE_MISS_P): Fix arithmetic. + * mf-runtime.c: Reorganize a bit. + (__mf_dynamic): New structure. + (resolve_single_dynamic): New function. + (__mf_resolve_dynamics): New function. + (__mf_init): Initialize dynamic wrappers. + * mf-hooks.c: Macro-ize __real calls. + Clamp various bits of arithmetic. + Add explicit __mf_check call contexts. + * Makefile.am: Add dependencies on mf-impl.h + * Makefile.in: Regenerate. + * configure.in: Comment out shared override. + * configure: Regenerate. + +2002-08-22 Graydon Hoare <graydon@redhat.com> + + * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length. + (__mf_check): Re-inialize and check heuristics before violation. + (__mf_register): Permit updating pure-guess regions. + * mf-hooks.c (__wrap_free): Correct some free queue logic. + (__wrap_dlopen): New wrapper function. + (__wrap_mmap): New wrapper function. + (__wrap_munmap): New wrapper function. + * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions + which are not stack addresses. + (is_stack_address): New function. + (__mf_init_heuristics): Save and restore state, always initialize with + "starting" state. + +2002-08-21 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one + error. Pass location string. + (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings. + * mf-runtime.c (options): Add lc-mask, lc-shift options. + (__mf_process_opts): Apply some sanity checking for lc-mask. + (__mf_check, __mf_violation): Take new location-string argument. + Update callers to pass NULL if necessary. + (__mf_backtrace): New smart backtracer function. Calls replace + several ad-hoc blocks elsewhere. + (__mf_describe_object): Remove bad reentrancy test. Improve + tracing message. + * mf-runtime.h: Corresponding changes. Public/private markup. + (__MF_CACHE_MISS_P): New macro. + +2002-08-20 Graydon Hoare <graydon@redhat.com> + + * mf-runtime.h: New option: stack_bound (heuristic). + Move some macros out of implementation files. + * mf-runtime.c: New option string: -stack-bound. + Unify recursion protection with hooks. + Add more logging. + (__mf_check): Call __mf_heuristic_check. + (__mf_process_opts): Fix "no-" processing. + * mf-heuristics.c (__mf_heuristic_check): New function. + * mf-hooks.c: Much off-by-one fixing, recursion protection. + +2002-08-20 Frank Ch. Eigler <fche@redhat.com> + + Option parsing improvements, region splitting bug fixes: + * mf-heuristics.c (__mf_register_ro_sections): Add warned casts. + * mf-runtime.h (heur_proc_map): New libmudflap option. + * mf-runtime.c (__mf_set_default_options): Set it. + (__mf_usage): Print default values/status. + (__mf_process_opts): Support general "no-" option string prefix. + (__mf_init): Print __mf_usage on unknown-option error. + (__mf_register): Print trace message up front. + Correct region splitting logic for case where a subregion disappears. + Correct memory leak. + (__mf_violation): Make even basic message conditional on option. + + Build cleanup: + * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map. + (clean-local): New target. + (test/*x rules): Add -g CFLAGS. + (CFLAGS): Add -freorder-blocks. + (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings. + * Makefile.in: Regenerated. + * Makefile, mf-config.h: Removed files. + +2002-08-16 Graydon Hoare <graydon@redhat.com> + + * mf-runtime.c (__mf_insert_new_object): Factor out of + __mf_register. + (__mf_remove_old_object): Factor out of __mf_unregister. + (__mf_register): Handle guessed regions, splitting + guesses when new registrations arrive. + (__mf_unregister): Do not unregister guesses. + * mf-runtime.h: Move convenience macros around, + declare new option fields. Add __MF_TYPE_GUESS. + * mf-hooks.c (__wrap_*alloc): Use crumple zones. + (__wrap_free): Call __real_free for deferred frees. + * Makefile.am: Add more tests, fix dependency. + * Makefile.in: Regenerate. + * test/pass[13..17]-frag.c: New testcases. + * test/fail[13..17]-frag.c: New testcases. + +2002-08-15 Graydon Hoare <graydon@redhat.com> + + * mf-heuristics.c: New file. + * mf-runtime.c (options): Add -trace-calls option. + (__mf_init): Call __mf_init_heuristics. + +2002-08-14 Graydon Hoare <graydon@redhat.com> + + * Makefile.am (TESTS): Add testsuite support. + * Makefile.in: Regenerate. + * test/mf-driver.c: New file. + * test/buildtest.sh: New file. + * test/passNN-frag.c: New testcases. + * test/failNN-frag.c: New testcases. + +2002-08-14 Graydon Hoare <graydon@redhat.com> + + * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when + verifying non-size-limited string extents. + +2002-08-14 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks.c: Make __wrap string* functions use __real_str[n]len + instead of plain str[n]len for internal checks. + * mf-runtime.c (__mf_violation): Print optional stack traceback. + +2002-08-14 Frank Ch. Eigler <fche@redhat.com> + + * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped. + +2002-08-13 Graydon Hoare <graydon@redhat.com> + + * mf-runtime.c: Rework configuration to operate on + environment variable options rather than #defines + (__mf_violation): Add simple fork-a-gdb violaiton mode. + (__mf_init): Set static __mf_active_p flag on startup, + to inhibit mudflap wrap-based checking during crt0.s. + * mf-runtime.h: Declare options structure. + * mf-hooks.c: New wrappings for mem*, b*, str* + libc functions (temporarily #if 0-ed out). + +2002-08-12 Frank Ch. Eigler <fche@redhat.com> + + * Makefile.am, configure.in: New files. + * Makefile.in, Makefile, configure, config.h.in: New generated files. + * stamp-h.in, aclocal.m4: Ditto. + +2002-08-08 Frank Ch. Eigler <fche@redhat.com> + + * Makefile: New file. + * mf-config.h: New file: runtime configuration. + * mf-hooks.c: New file: interposed libc functions. + * mf-runtime.c: New file: bulk of runtime. + * mf-runtime.h: New file: public functions. diff --git a/contrib/gcclibs/libmudflap/Makefile.am b/contrib/gcclibs/libmudflap/Makefile.am new file mode 100644 index 0000000..8575da2 --- /dev/null +++ b/contrib/gcclibs/libmudflap/Makefile.am @@ -0,0 +1,115 @@ +## Makefile for the toplevel directory of the mudflap library. +## +## Copyright (C) 2002, 2003, 2004 +## Free Software Foundation, Inc. +## + +AUTOMAKE_OPTIONS = 1.8 foreign +ACLOCAL_AMFLAGS = -I .. -I ../config +MAINT_CHARSET = latin1 +SUBDIRS = testsuite + +# May be used by various substitution variables. +gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER) + +SECTION_FLAGS = @SECTION_FLAGS@ +AM_CFLAGS = -Wall $(SECTION_FLAGS) + +if LIBMUDFLAPTH +libmudflapth = libmudflapth.la +else +libmudflapth = +endif + +toolexeclib_LTLIBRARIES = libmudflap.la $(libmudflapth) +target_noncanonical = @target_noncanonical@ +libsubincludedir = $(libdir)/gcc/$(target_noncanonical)/$(gcc_version)/include +nobase_libsubinclude_HEADERS = mf-runtime.h + + +libmudflap_la_SOURCES = \ + mf-runtime.c \ + mf-heuristics.c \ + mf-hooks1.c \ + mf-hooks2.c +libmudflap_la_LIBADD = +libmudflap_la_DEPENDENCIES = $(libmudflap_la_LIBADD) +libmudflap_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` + +clean-local: + rm -f pth/*.o pth/*.lo + +pth/mf-runtime.lo: mf-runtime.c mf-runtime.h mf-impl.h + $(LTCOMPILE) -DLIBMUDFLAPTH -c $(srcdir)/mf-runtime.c -o $@ +pth/mf-heuristics.lo: mf-heuristics.c mf-runtime.h mf-impl.h + $(LTCOMPILE) -DLIBMUDFLAPTH -c $(srcdir)/mf-heuristics.c -o $@ +pth/mf-hooks1.lo: mf-hooks1.c mf-runtime.h mf-impl.h + $(LTCOMPILE) -DLIBMUDFLAPTH -c $(srcdir)/mf-hooks1.c -o $@ +pth/mf-hooks2.lo: mf-hooks2.c mf-runtime.h mf-impl.h + $(LTCOMPILE) -DLIBMUDFLAPTH -c $(srcdir)/mf-hooks2.c -o $@ +pth/mf-hooks3.lo: mf-hooks3.c mf-runtime.h mf-impl.h + $(LTCOMPILE) -DLIBMUDFLAPTH -c $(srcdir)/mf-hooks3.c -o $@ + + +libmudflapth_la_SOURCES = +libmudflapth_la_LIBADD = \ + pth/mf-runtime.lo \ + pth/mf-heuristics.lo \ + pth/mf-hooks1.lo \ + pth/mf-hooks2.lo \ + pth/mf-hooks3.lo +libmudflapth_la_DEPENDENCIES = $(libmudflapth_la_LIBADD) +libmudflapth_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` + + +# XXX hack alert +# From libffi/Makefile.am + +# Work around what appears to be a GNU make bug handling MAKEFLAGS +# values defined in terms of make variables, as is the case for CC and +# friends when we are called from the top level Makefile. +AM_MAKEFLAGS = \ + "AR_FLAGS=$(AR_FLAGS)" \ + "CC_FOR_BUILD=$(CC_FOR_BUILD)" \ + "CFLAGS=$(CFLAGS)" \ + "CXXFLAGS=$(CXXFLAGS)" \ + "CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \ + "CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \ + "INSTALL=$(INSTALL)" \ + "INSTALL_DATA=$(INSTALL_DATA)" \ + "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \ + "INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \ + "JC1FLAGS=$(JC1FLAGS)" \ + "LDFLAGS=$(LDFLAGS)" \ + "LIBCFLAGS=$(LIBCFLAGS)" \ + "LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" \ + "MAKE=$(MAKE)" \ + "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \ + "PICFLAG=$(PICFLAG)" \ + "PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" \ + "SHELL=$(SHELL)" \ + "RUNTESTFLAGS=$(RUNTESTFLAGS)" \ + "exec_prefix=$(exec_prefix)" \ + "infodir=$(infodir)" \ + "libdir=$(libdir)" \ + "prefix=$(prefix)" \ + "includedir=$(includedir)" \ + "AR=$(AR)" \ + "AS=$(AS)" \ + "CC=$(CC)" \ + "CXX=$(CXX)" \ + "LD=$(LD)" \ + "LIBCFLAGS=$(LIBCFLAGS)" \ + "NM=$(NM)" \ + "PICFLAG=$(PICFLAG)" \ + "RANLIB=$(RANLIB)" \ + "DESTDIR=$(DESTDIR)" + +MAKEOVERRIDES= + +.PHONY: install-html + +install-html: + +## ################################################################ + diff --git a/contrib/gcclibs/libmudflap/Makefile.in b/contrib/gcclibs/libmudflap/Makefile.in new file mode 100644 index 0000000..7eaa0ec --- /dev/null +++ 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Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null` + if test "$[*]" = "X"; then + # -L didn't work. + set X `ls -t $srcdir/configure conftest.file` + fi + rm -f conftest.file + if test "$[*]" != "X $srcdir/configure conftest.file" \ + && test "$[*]" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + AC_MSG_ERROR([ls -t appears to fail. 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This is especially +# annoying in cross-compiling environments, where the build's strip +# is unlikely to handle the host's binaries. +# Fortunately install-sh will honor a STRIPPROG variable, so we +# always use install-sh in `make install-strip', and initialize +# STRIPPROG with the value of the STRIP variable (set by the user). +AC_DEFUN([AM_PROG_INSTALL_STRIP], +[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl +# Installed binaries are usually stripped using `strip' when the user +# run `make install-strip'. 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We just wanted to have am__tar + # and am__untar set. + test -n "${am_cv_prog_tar_$1}" && break + + # tar/untar a dummy directory, and stop if the command works + rm -rf conftest.dir + mkdir conftest.dir + echo GrepMe > conftest.dir/file + AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) + rm -rf conftest.dir + if test -s conftest.tar; then + AM_RUN_LOG([$am__untar <conftest.tar]) + grep GrepMe conftest.dir/file >/dev/null 2>&1 && break + fi +done +rm -rf conftest.dir + +AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) +AC_MSG_RESULT([$am_cv_prog_tar_$1])]) +AC_SUBST([am__tar]) +AC_SUBST([am__untar]) +]) # _AM_PROG_TAR + +m4_include([../config/acx.m4]) +m4_include([../config/depstand.m4]) +m4_include([../config/enable.m4]) +m4_include([../config/lead-dot.m4]) +m4_include([../config/tls.m4]) +m4_include([acinclude.m4]) diff --git a/contrib/gcclibs/libmudflap/config.h.in b/contrib/gcclibs/libmudflap/config.h.in new file mode 100644 index 0000000..f372741 --- /dev/null +++ b/contrib/gcclibs/libmudflap/config.h.in @@ -0,0 +1,271 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to the name of the symbol used for the entry point. */ +#undef ENTRY_POINT + +/* Define to 1 if you have the `addmntent' function. */ +#undef HAVE_ADDMNTENT + +/* Define to 1 if you have the <arpa/inet.h> header file. */ +#undef HAVE_ARPA_INET_H + +/* Define to 1 if you have the `backtrace' function. */ +#undef HAVE_BACKTRACE + +/* Define to 1 if you have the `backtrace_symbols' function. */ +#undef HAVE_BACKTRACE_SYMBOLS + +/* Define to 1 if you have the <ctype.h> header file. */ +#undef HAVE_CTYPE_H + +/* Define to 1 if you have the `cuserid' function. */ +#undef HAVE_CUSERID + +/* Define to 1 if you have the <dirent.h> header file. */ +#undef HAVE_DIRENT_H + +/* Define to 1 if you have the <dlfcn.h> header file. */ +#undef HAVE_DLFCN_H + +/* Define to 1 if you have the `dlvsym' function. */ +#undef HAVE_DLVSYM + +/* Define to 1 if you have the <execinfo.h> header file. */ +#undef HAVE_EXECINFO_H + +/* Define to 1 if you have the `fopen64' function. */ +#undef HAVE_FOPEN64 + +/* Define to 1 if you have the `freopen64' function. */ +#undef HAVE_FREOPEN64 + +/* Define to 1 if you have the `fseeko64' function. */ +#undef HAVE_FSEEKO64 + +/* Define to 1 if you have the `ftello64' function. */ +#undef HAVE_FTELLO64 + +/* Define to 1 if you have the `gai_strerror' function. */ +#undef HAVE_GAI_STRERROR + +/* Define to 1 if you have the `getaddrinfo' function. */ +#undef HAVE_GETADDRINFO + +/* Define to 1 if you have the `getgrent' function. */ +#undef HAVE_GETGRENT + +/* Define to 1 if you have the `getgrgid' function. */ +#undef HAVE_GETGRGID + +/* Define to 1 if you have the `getgrgid_r' function. */ +#undef HAVE_GETGRGID_R + +/* Define to 1 if you have the `getgrnam' function. */ +#undef HAVE_GETGRNAM + +/* Define to 1 if you have the `getgrnam_r' function. */ +#undef HAVE_GETGRNAM_R + +/* Define to 1 if you have the `getlogin' function. */ +#undef HAVE_GETLOGIN + +/* Define to 1 if you have the `getlogin_r' function. */ +#undef HAVE_GETLOGIN_R + +/* Define to 1 if you have the `getmntent' function. */ +#undef HAVE_GETMNTENT + +/* Define to 1 if you have the `getprotobyname' function. */ +#undef HAVE_GETPROTOBYNAME + +/* Define to 1 if you have the `getprotobynumber' function. */ +#undef HAVE_GETPROTOBYNUMBER + +/* Define to 1 if you have the `getprotoent' function. */ +#undef HAVE_GETPROTOENT + +/* Define to 1 if you have the `getpwent' function. */ +#undef HAVE_GETPWENT + +/* Define to 1 if you have the `getpwnam' function. */ +#undef HAVE_GETPWNAM + +/* Define to 1 if you have the `getpwnam_r' function. */ +#undef HAVE_GETPWNAM_R + +/* Define to 1 if you have the `getpwuid' function. */ +#undef HAVE_GETPWUID + +/* Define to 1 if you have the `getpwuid_r' function. */ +#undef HAVE_GETPWUID_R + +/* Define to 1 if you have the `getservbyname' function. */ +#undef HAVE_GETSERVBYNAME + +/* Define to 1 if you have the `getservbyport' function. */ +#undef HAVE_GETSERVBYPORT + +/* Define to 1 if you have the `getservent' function. */ +#undef HAVE_GETSERVENT + +/* Define to 1 if you have the `gettimeofday' function. */ +#undef HAVE_GETTIMEOFDAY + +/* Define to 1 if you have the <grp.h> header file. */ +#undef HAVE_GRP_H + +/* Define to 1 if you have the `inet_ntoa' function. */ +#undef HAVE_INET_NTOA + +/* Define to 1 if you have the <inttypes.h> header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the `dl' library (-ldl). */ +#undef HAVE_LIBDL + +/* Define to 1 if you have the `memmem' function. */ +#undef HAVE_MEMMEM + +/* Define to 1 if you have the <memory.h> header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the `memrchr' function. */ +#undef HAVE_MEMRCHR + +/* Define to 1 if you have the `mmap' function. */ +#undef HAVE_MMAP + +/* Define to 1 if you have the <mntent.h> header file. */ +#undef HAVE_MNTENT_H + +/* Define to 1 if you have the `munmap' function. */ +#undef HAVE_MUNMAP + +/* Define to 1 if you have the <netdb.h> header file. */ +#undef HAVE_NETDB_H + +/* Define to 1 if you have the <netinet/in.h> header file. */ +#undef HAVE_NETINET_IN_H + +/* Define to 1 if you have the <pthread.h> header file. */ +#undef HAVE_PTHREAD_H + +/* Define to 1 if you have the <pwd.h> header file. */ +#undef HAVE_PWD_H + +/* Define to 1 if you have the `setbuf' function. */ +#undef HAVE_SETBUF + +/* Define to 1 if you have the `setbuffer' function. */ +#undef HAVE_SETBUFFER + +/* Define to 1 if you have the `sethostname' function. */ +#undef HAVE_SETHOSTNAME + +/* Define to 1 if you have the `setlinebuf' function. */ +#undef HAVE_SETLINEBUF + +/* Define to 1 if you have the `setmntent' function. */ +#undef HAVE_SETMNTENT + +/* Define to 1 if you have the `setvbuf' function. */ +#undef HAVE_SETVBUF + +/* Define to 1 if you have the `signal' function. */ +#undef HAVE_SIGNAL + +/* Define to 1 if you have the <signal.h> header file. */ +#undef HAVE_SIGNAL_H + +/* Define it socklen_t typedef is in sys/socket.h. */ +#undef HAVE_SOCKLEN_T + +/* Define to 1 if you have the `stat64' function. */ +#undef HAVE_STAT64 + +/* Define to 1 if you have the <stdint.h> header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the <stdlib.h> header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the <strings.h> header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the <string.h> header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the `strncpy' function. */ +#undef HAVE_STRNCPY + +/* Define to 1 if you have the `strnlen' function. */ +#undef HAVE_STRNLEN + +/* Define to 1 if you have the <sys/ipc.h> header file. */ +#undef HAVE_SYS_IPC_H + +/* Define to 1 if you have the <sys/mman.h> header file. */ +#undef HAVE_SYS_MMAN_H + +/* Define to 1 if you have the <sys/sem.h> header file. */ +#undef HAVE_SYS_SEM_H + +/* Define to 1 if you have the <sys/shm.h> header file. */ +#undef HAVE_SYS_SHM_H + +/* Define to 1 if you have the <sys/socket.h> header file. */ +#undef HAVE_SYS_SOCKET_H + +/* Define to 1 if you have the <sys/stat.h> header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the <sys/types.h> header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the <sys/wait.h> header file. */ +#undef HAVE_SYS_WAIT_H + +/* Define to 1 if the target supports thread-local storage. */ +#undef HAVE_TLS + +/* union semun defined in sys/ipc.h or sys/sem.h */ +#undef HAVE_UNION_SEMUN + +/* Define to 1 if you have the <unistd.h> header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if you have the `__ctype_b_loc' function. */ +#undef HAVE___CTYPE_B_LOC + +/* Define to 1 if you have the `__ctype_tolower_loc' function. */ +#undef HAVE___CTYPE_TOLOWER_LOC + +/* Define to 1 if you have the `__ctype_toupper_loc' function. */ +#undef HAVE___CTYPE_TOUPPER_LOC + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* pthread_create symbol version */ +#undef PTHREAD_CREATE_VERSION + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Version number of package */ +#undef VERSION diff --git a/contrib/gcclibs/libmudflap/configure b/contrib/gcclibs/libmudflap/configure new file mode 100755 index 0000000..a637d66 --- /dev/null +++ b/contrib/gcclibs/libmudflap/configure @@ -0,0 +1,8635 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.59 for libmudflap 1.0. +# +# Copyright (C) 2003 Free Software Foundation, Inc. +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' +elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then + set -o posix +fi +DUALCASE=1; export DUALCASE # for MKS sh + +# Support unset when possible. +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + as_unset=unset +else + as_unset=false +fi + + +# Work around bugs in pre-3.0 UWIN ksh. +$as_unset ENV MAIL MAILPATH +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +for as_var in \ + LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \ + LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \ + LC_TELEPHONE LC_TIME +do + if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then + eval $as_var=C; export $as_var + else + $as_unset $as_var + fi +done + +# Required to use basename. +if expr a : '\(a\)' >/dev/null 2>&1; then + as_expr=expr +else + as_expr=false +fi + +if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + + +# Name of the executable. +as_me=`$as_basename "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)$' \| \ + . : '\(.\)' 2>/dev/null || +echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; } + /^X\/\(\/\/\)$/{ s//\1/; q; } + /^X\/\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + + +# PATH needs CR, and LINENO needs CR and PATH. +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + + + as_lineno_1=$LINENO + as_lineno_2=$LINENO + as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null` + test "x$as_lineno_1" != "x$as_lineno_2" && + test "x$as_lineno_3" = "x$as_lineno_2" || { + # Find who we are. 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See below for descriptions of some of the useful variables. + +Defaults for the options are specified in brackets. + +Configuration: + -h, --help display this help and exit + --help=short display options specific to this package + --help=recursive display the short help of all the included packages + -V, --version display version information and exit + -q, --quiet, --silent do not print \`checking...' messages + --cache-file=FILE cache test results in FILE [disabled] + -C, --config-cache alias for \`--cache-file=config.cache' + -n, --no-create do not create output files + --srcdir=DIR find the sources in DIR [configure dir or \`..'] + +_ACEOF + + cat <<_ACEOF +Installation directories: + --prefix=PREFIX install architecture-independent files in PREFIX + [$ac_default_prefix] + --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX + [PREFIX] + +By default, \`make install' will install all the files in +\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify +an installation prefix other than \`$ac_default_prefix' using \`--prefix', +for instance \`--prefix=\$HOME'. + +For better control, use the options below. + +Fine tuning of the installation directories: + --bindir=DIR user executables [EPREFIX/bin] + --sbindir=DIR system admin executables [EPREFIX/sbin] + --libexecdir=DIR program executables [EPREFIX/libexec] + --datadir=DIR read-only architecture-independent data [PREFIX/share] + --sysconfdir=DIR read-only single-machine data [PREFIX/etc] + --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] + --localstatedir=DIR modifiable single-machine data [PREFIX/var] + --libdir=DIR object code libraries [EPREFIX/lib] + --includedir=DIR C header files [PREFIX/include] + --oldincludedir=DIR C header files for non-gcc [/usr/include] + --infodir=DIR info documentation [PREFIX/info] + --mandir=DIR man documentation [PREFIX/man] +_ACEOF + + cat <<\_ACEOF + +Program names: + --program-prefix=PREFIX prepend PREFIX to installed program names + --program-suffix=SUFFIX append SUFFIX to installed program names + --program-transform-name=PROGRAM run sed PROGRAM on installed program names + +System types: + --build=BUILD configure for building on BUILD [guessed] + --host=HOST cross-compile to build programs to run on HOST [BUILD] + --target=TARGET configure for building compilers for TARGET [HOST] +_ACEOF +fi + +if test -n "$ac_init_help"; then + case $ac_init_help in + short | recursive ) echo "Configuration of libmudflap 1.0:";; + esac + cat <<\_ACEOF + +Optional Features: + --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) + --enable-FEATURE[=ARG] include FEATURE [ARG=yes] + --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory + --enable-maintainer-mode enable make rules and dependencies not useful + (and sometimes confusing) to the casual installer + --enable-multilib build many library versions (default) + --disable-dependency-tracking speeds up one-time build + --enable-dependency-tracking do not reject slow dependency extractors + --enable-shared=PKGS build shared libraries default=yes + --enable-static=PKGS build static libraries default=yes + --enable-fast-install=PKGS optimize for fast installation default=yes + --disable-libtool-lock avoid locking (might break parallel builds) + --enable-tls Use thread-local storage [default=yes] + +Optional Packages: + --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] + --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no) + --with-gnu-ld assume the C compiler uses GNU ld default=no + --with-pic try to use only PIC/non-PIC objects default=use both + +Some influential environment variables: + CC C compiler command + CFLAGS C compiler flags + LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a + nonstandard directory <lib dir> + CPPFLAGS C/C++ preprocessor flags, e.g. -I<include dir> if you have + headers in a nonstandard directory <include dir> + CPP C preprocessor + +Use these variables to override the choices made by `configure' or to help +it to find libraries and programs with nonstandard names/locations. + +_ACEOF +fi + +if test "$ac_init_help" = "recursive"; then + # If there are subdirs, report their specific --help. + ac_popdir=`pwd` + for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue + test -d $ac_dir || continue + ac_builddir=. + +if test "$ac_dir" != .; then + ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'` + # A "../" for each directory in $ac_dir_suffix. + ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'` +else + ac_dir_suffix= ac_top_builddir= +fi + +case $srcdir in + .) # No --srcdir option. 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then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/install.sh -c" + break + elif test -f $ac_dir/shtool; then + ac_aux_dir=$ac_dir + ac_install_sh="$ac_aux_dir/shtool install -c" + break + fi +done +if test -z "$ac_aux_dir"; then + { { echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5 +echo "$as_me: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&2;} + { (exit 1); exit 1; }; } +fi +ac_config_guess="$SHELL $ac_aux_dir/config.guess" +ac_config_sub="$SHELL $ac_aux_dir/config.sub" +ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure. + +# Make sure we can run config.sub. +$ac_config_sub sun4 >/dev/null 2>&1 || + { { echo "$as_me:$LINENO: error: cannot run $ac_config_sub" >&5 +echo "$as_me: error: cannot run $ac_config_sub" >&2;} + { (exit 1); exit 1; }; } + +echo "$as_me:$LINENO: checking build system type" >&5 +echo $ECHO_N "checking build system type... $ECHO_C" >&6 +if test "${ac_cv_build+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_build_alias=$build_alias +test -z "$ac_cv_build_alias" && + ac_cv_build_alias=`$ac_config_guess` +test -z "$ac_cv_build_alias" && + { { echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5 +echo "$as_me: error: cannot guess build type; you must specify one" >&2;} + { (exit 1); exit 1; }; } +ac_cv_build=`$ac_config_sub $ac_cv_build_alias` || + { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_build_alias failed" >&5 +echo "$as_me: error: $ac_config_sub $ac_cv_build_alias failed" >&2;} + { (exit 1); exit 1; }; } + +fi +echo "$as_me:$LINENO: result: $ac_cv_build" >&5 +echo "${ECHO_T}$ac_cv_build" >&6 +build=$ac_cv_build +build_cpu=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` +build_vendor=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` +build_os=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` + + +echo "$as_me:$LINENO: checking host system type" >&5 +echo $ECHO_N "checking host system type... $ECHO_C" >&6 +if test "${ac_cv_host+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_host_alias=$host_alias +test -z "$ac_cv_host_alias" && + ac_cv_host_alias=$ac_cv_build_alias +ac_cv_host=`$ac_config_sub $ac_cv_host_alias` || + { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_host_alias failed" >&5 +echo "$as_me: error: $ac_config_sub $ac_cv_host_alias failed" >&2;} + { (exit 1); exit 1; }; } + +fi +echo "$as_me:$LINENO: result: $ac_cv_host" >&5 +echo "${ECHO_T}$ac_cv_host" >&6 +host=$ac_cv_host +host_cpu=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` +host_vendor=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` +host_os=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` + + +echo "$as_me:$LINENO: checking target system type" >&5 +echo $ECHO_N "checking target system type... $ECHO_C" >&6 +if test "${ac_cv_target+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_target_alias=$target_alias +test "x$ac_cv_target_alias" = "x" && + ac_cv_target_alias=$ac_cv_host_alias +ac_cv_target=`$ac_config_sub $ac_cv_target_alias` || + { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_target_alias failed" >&5 +echo "$as_me: error: $ac_config_sub $ac_cv_target_alias failed" >&2;} + { (exit 1); exit 1; }; } + +fi +echo "$as_me:$LINENO: result: $ac_cv_target" >&5 +echo "${ECHO_T}$ac_cv_target" >&6 +target=$ac_cv_target +target_cpu=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` +target_vendor=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` +target_os=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` + + +# The aliases save the names the user supplied, while $host etc. +# will get canonicalized. +test -n "$target_alias" && + test "$program_prefix$program_suffix$program_transform_name" = \ + NONENONEs,x,x, && + program_prefix=${target_alias}- + case ${build_alias} in + "") build_noncanonical=${build} ;; + *) build_noncanonical=${build_alias} ;; +esac + + case ${host_alias} in + "") host_noncanonical=${build_noncanonical} ;; + *) host_noncanonical=${host_alias} ;; +esac + + case ${target_alias} in + "") target_noncanonical=${host_noncanonical} ;; + *) target_noncanonical=${target_alias} ;; +esac + + + + +am__api_version="1.9" +# Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5 +echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6 +if test -z "$INSTALL"; then +if test "${ac_cv_path_install+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + # Account for people who put trailing slashes in PATH elements. +case $as_dir/ in + ./ | .// | /cC/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then + if test $ac_prog = install && + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + done + done + ;; +esac +done + + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. We don't cache a + # path for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the path is relative. + INSTALL=$ac_install_sh + fi +fi +echo "$as_me:$LINENO: result: $INSTALL" >&5 +echo "${ECHO_T}$INSTALL" >&6 + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +echo "$as_me:$LINENO: checking whether build environment is sane" >&5 +echo $ECHO_N "checking whether build environment is sane... $ECHO_C" >&6 +# Just in case +sleep 1 +echo timestamp > conftest.file +# Do `set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t $srcdir/configure conftest.file` + fi + rm -f conftest.file + if test "$*" != "X $srcdir/configure conftest.file" \ + && test "$*" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + { { echo "$as_me:$LINENO: error: ls -t appears to fail. Make sure there is not a broken +alias in your environment" >&5 +echo "$as_me: error: ls -t appears to fail. Make sure there is not a broken +alias in your environment" >&2;} + { (exit 1); exit 1; }; } + fi + + test "$2" = conftest.file + ) +then + # Ok. + : +else + { { echo "$as_me:$LINENO: error: newly created file is older than distributed files! +Check your system clock" >&5 +echo "$as_me: error: newly created file is older than distributed files! +Check your system clock" >&2;} + { (exit 1); exit 1; }; } +fi +echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 +test "$program_prefix" != NONE && + program_transform_name="s,^,$program_prefix,;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s,\$,$program_suffix,;$program_transform_name" +# Double any \ or $. echo might interpret backslashes. +# By default was `s,x,x', remove it if useless. +cat <<\_ACEOF >conftest.sed +s/[\\$]/&&/g;s/;s,x,x,$// +_ACEOF +program_transform_name=`echo $program_transform_name | sed -f conftest.sed` +rm conftest.sed + +# expand $ac_aux_dir to an absolute path +am_aux_dir=`cd $ac_aux_dir && pwd` + +test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing" +# Use eval to expand $SHELL +if eval "$MISSING --run true"; then + am_missing_run="$MISSING --run " +else + am_missing_run= + { echo "$as_me:$LINENO: WARNING: \`missing' script is too old or missing" >&5 +echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;} +fi + +if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then + # We used to keeping the `.' as first argument, in order to + # allow $(mkdir_p) to be used without argument. As in + # $(mkdir_p) $(somedir) + # where $(somedir) is conditionally defined. However this is wrong + # for two reasons: + # 1. if the package is installed by a user who cannot write `.' + # make install will fail, + # 2. the above comment should most certainly read + # $(mkdir_p) $(DESTDIR)$(somedir) + # so it does not work when $(somedir) is undefined and + # $(DESTDIR) is not. + # To support the latter case, we have to write + # test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir), + # so the `.' trick is pointless. + mkdir_p='mkdir -p --' +else + # On NextStep and OpenStep, the `mkdir' command does not + # recognize any option. It will interpret all options as + # directories to create, and then abort because `.' already + # exists. + for d in ./-p ./--version; + do + test -d $d && rmdir $d + done + # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists. + if test -f "$ac_aux_dir/mkinstalldirs"; then + mkdir_p='$(mkinstalldirs)' + else + mkdir_p='$(install_sh) -d' + fi +fi + +for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_AWK+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AWK="$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + echo "$as_me:$LINENO: result: $AWK" >&5 +echo "${ECHO_T}$AWK" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$AWK" && break +done + +echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +echo $ECHO_N "checking whether ${MAKE-make} sets \$(MAKE)... $ECHO_C" >&6 +set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y,:./+-,___p_,'` +if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.make <<\_ACEOF +all: + @echo 'ac_maketemp="$(MAKE)"' +_ACEOF +# GNU make sometimes prints "make[1]: Entering...", which would confuse us. +eval `${MAKE-make} -f conftest.make 2>/dev/null | grep temp=` +if test -n "$ac_maketemp"; then + eval ac_cv_prog_make_${ac_make}_set=yes +else + eval ac_cv_prog_make_${ac_make}_set=no +fi +rm -f conftest.make +fi +if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then + echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 + SET_MAKE= +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 + SET_MAKE="MAKE=${MAKE-make}" +fi + +rm -rf .tst 2>/dev/null +mkdir .tst 2>/dev/null +if test -d .tst; then + am__leading_dot=. +else + am__leading_dot=_ +fi +rmdir .tst 2>/dev/null + +# test to see if srcdir already configured +if test "`cd $srcdir && pwd`" != "`pwd`" && + test -f $srcdir/config.status; then + { { echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5 +echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;} + { (exit 1); exit 1; }; } +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE='libmudflap' + VERSION='1.0' + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE "$PACKAGE" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define VERSION "$VERSION" +_ACEOF + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +install_sh=${install_sh-"$am_aux_dir/install-sh"} + +# Installed binaries are usually stripped using `strip' when the user +# run `make install-strip'. However `strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the `STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_STRIP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + echo "$as_me:$LINENO: result: $STRIP" >&5 +echo "${ECHO_T}$STRIP" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + + test -z "$ac_cv_prog_ac_ct_STRIP" && ac_cv_prog_ac_ct_STRIP=":" +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5 +echo "${ECHO_T}$ac_ct_STRIP" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + STRIP=$ac_ct_STRIP +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s" + +# We need awk for the "check" target. The system "awk" is bad on +# some platforms. +# Always define AMTAR for backward compatibility. + +AMTAR=${AMTAR-"${am_missing_run}tar"} + +am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -' + + + + + + +echo "$as_me:$LINENO: checking for --enable-version-specific-runtime-libs" >&5 +echo $ECHO_N "checking for --enable-version-specific-runtime-libs... $ECHO_C" >&6 +# Check whether --enable-version-specific-runtime-libs or --disable-version-specific-runtime-libs was given. +if test "${enable_version_specific_runtime_libs+set}" = set; then + enableval="$enable_version_specific_runtime_libs" + case "$enableval" in + yes) version_specific_libs=yes ;; + no) version_specific_libs=no ;; + *) { { echo "$as_me:$LINENO: error: Unknown argument to enable/disable version-specific libs" >&5 +echo "$as_me: error: Unknown argument to enable/disable version-specific libs" >&2;} + { (exit 1); exit 1; }; };; + esac +else + version_specific_libs=no +fi; +echo "$as_me:$LINENO: result: $version_specific_libs" >&5 +echo "${ECHO_T}$version_specific_libs" >&6 + +echo "$as_me:$LINENO: checking whether to enable maintainer-specific portions of Makefiles" >&5 +echo $ECHO_N "checking whether to enable maintainer-specific portions of Makefiles... $ECHO_C" >&6 + # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given. +if test "${enable_maintainer_mode+set}" = set; then + enableval="$enable_maintainer_mode" + USE_MAINTAINER_MODE=$enableval +else + USE_MAINTAINER_MODE=no +fi; + echo "$as_me:$LINENO: result: $USE_MAINTAINER_MODE" >&5 +echo "${ECHO_T}$USE_MAINTAINER_MODE" >&6 + + +if test $USE_MAINTAINER_MODE = yes; then + MAINTAINER_MODE_TRUE= + MAINTAINER_MODE_FALSE='#' +else + MAINTAINER_MODE_TRUE='#' + MAINTAINER_MODE_FALSE= +fi + + MAINT=$MAINTAINER_MODE_TRUE + + + + +# Default to --enable-multilib +# Check whether --enable-multilib or --disable-multilib was given. +if test "${enable_multilib+set}" = set; then + enableval="$enable_multilib" + case "$enableval" in + yes) multilib=yes ;; + no) multilib=no ;; + *) { { echo "$as_me:$LINENO: error: bad value $enableval for multilib option" >&5 +echo "$as_me: error: bad value $enableval for multilib option" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + multilib=yes +fi; + +# We may get other options which we leave undocumented: +# --with-target-subdir, --with-multisrctop, --with-multisubdir +# See config-ml.in if you want the gory details. + +if test "$srcdir" = "."; then + if test "$with_target_subdir" != "."; then + multi_basedir="$srcdir/$with_multisrctop../.." + else + multi_basedir="$srcdir/$with_multisrctop.." + fi +else + multi_basedir="$srcdir/.." +fi + + + ac_config_commands="$ac_config_commands default-1" + + +target_alias=${target_alias-$host_alias} + + + ac_config_headers="$ac_config_headers config.h" + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +# The same as in boehm-gc and libstdc++. Have to borrow it from there. +# We must force CC to /not/ be precious variables; otherwise +# the wrong, non-multilib-adjusted value will be used in multilibs. +# As a side effect, we have to subst CFLAGS ourselves. + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + CC=$ac_ct_CC +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + CC=$ac_ct_CC +else + CC="$ac_cv_prog_CC" +fi + +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + test -n "$ac_ct_CC" && break +done + + CC=$ac_ct_CC +fi + +fi + + +test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&5 +echo "$as_me: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + +# Provide some information about the compiler. +echo "$as_me:$LINENO:" \ + "checking for C compiler version" >&5 +ac_compiler=`set X $ac_compile; echo $2` +{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5 + (eval $ac_compiler --version </dev/null >&5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5 + (eval $ac_compiler -v </dev/null >&5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5 + (eval $ac_compiler -V </dev/null >&5) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +echo "$as_me:$LINENO: checking for C compiler default output file name" >&5 +echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6 +ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` +if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5 + (eval $ac_link_default) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + # Find the output, starting from the most likely. This scheme is +# not robust to junk in `.', hence go to wildcards (a.*) only as a last +# resort. + +# Be careful to initialize this variable, since it used to be cached. +# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile. +ac_cv_exeext= +# b.out is created by i960 compilers. +for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) + ;; + conftest.$ac_ext ) + # This is the source file. + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + # FIXME: I believe we export ac_cv_exeext for Libtool, + # but it would be cool to find out if it's true. Does anybody + # maintain Libtool? --akim. + export ac_cv_exeext + break;; + * ) + break;; + esac +done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: C compiler cannot create executables +See \`config.log' for more details." >&5 +echo "$as_me: error: C compiler cannot create executables +See \`config.log' for more details." >&2;} + { (exit 77); exit 77; }; } +fi + +ac_exeext=$ac_cv_exeext +echo "$as_me:$LINENO: result: $ac_file" >&5 +echo "${ECHO_T}$ac_file" >&6 + +# Check the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +echo "$as_me:$LINENO: checking whether the C compiler works" >&5 +echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6 +# FIXME: These cross compiler hacks should be removed for Autoconf 3.0 +# If not cross compiling, check that we can run a simple program. +if test "$cross_compiling" != yes; then + if { ac_try='./$ac_file' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { echo "$as_me:$LINENO: error: cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + fi + fi +fi +echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 + +rm -f a.out a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +# Check the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +echo "$as_me:$LINENO: checking whether we are cross compiling" >&5 +echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6 +echo "$as_me:$LINENO: result: $cross_compiling" >&5 +echo "${ECHO_T}$cross_compiling" >&6 + +echo "$as_me:$LINENO: checking for suffix of executables" >&5 +echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6 +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + export ac_cv_exeext + break;; + * ) break;; + esac +done +else + { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +rm -f conftest$ac_cv_exeext +echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5 +echo "${ECHO_T}$ac_cv_exeext" >&6 + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +echo "$as_me:$LINENO: checking for suffix of object files" >&5 +echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6 +if test "${ac_cv_objext+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_objext" >&5 +echo "${ECHO_T}$ac_cv_objext" >&6 +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5 +echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6 +if test "${ac_cv_c_compiler_gnu+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_compiler_gnu=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_compiler_gnu=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5 +echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6 +GCC=`test $ac_compiler_gnu = yes && echo yes` +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +CFLAGS="-g" +echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5 +echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6 +if test "${ac_cv_prog_cc_g+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_prog_cc_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_prog_cc_g=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_g" >&6 +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +echo "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5 +echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6 +if test "${ac_cv_prog_cc_stdc+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_prog_cc_stdc=no +ac_save_CC=$CC +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <stdarg.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std1 is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std1. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +# Don't try gcc -ansi; that turns off useful extensions and +# breaks some systems' header files. +# AIX -qlanglvl=ansi +# Ultrix and OSF/1 -std1 +# HP-UX 10.20 and later -Ae +# HP-UX older versions -Aa -D_HPUX_SOURCE +# SVR4 -Xc -D__EXTENSIONS__ +for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_prog_cc_stdc=$ac_arg +break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext +done +rm -f conftest.$ac_ext conftest.$ac_objext +CC=$ac_save_CC + +fi + +case "x$ac_cv_prog_cc_stdc" in + x|xno) + echo "$as_me:$LINENO: result: none needed" >&5 +echo "${ECHO_T}none needed" >&6 ;; + *) + echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6 + CC="$CC $ac_cv_prog_cc_stdc" ;; +esac + +# Some people use a C++ compiler to compile C. Since we use `exit', +# in C++ we need to declare it. In case someone uses the same compiler +# for both compiling C and C++ we need to have the C++ compiler decide +# the declaration of exit, since it's the most demanding environment. +cat >conftest.$ac_ext <<_ACEOF +#ifndef __cplusplus + choke me +#endif +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + for ac_declaration in \ + '' \ + 'extern "C" void std::exit (int) throw (); using std::exit;' \ + 'extern "C" void std::exit (int); using std::exit;' \ + 'extern "C" void exit (int) throw ();' \ + 'extern "C" void exit (int);' \ + 'void exit (int);' +do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +#include <stdlib.h> +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +continue +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_declaration +int +main () +{ +exit (42); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +done +rm -f conftest* +if test -n "$ac_declaration"; then + echo '#ifdef __cplusplus' >>confdefs.h + echo $ac_declaration >>confdefs.h + echo '#endif' >>confdefs.h +fi + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +DEPDIR="${am__leading_dot}deps" + + ac_config_commands="$ac_config_commands depfiles" + + +am_make=${MAKE-make} +cat > confinc << 'END' +am__doit: + @echo done +.PHONY: am__doit +END +# If we don't find an include directive, just comment out the code. +echo "$as_me:$LINENO: checking for style of include used by $am_make" >&5 +echo $ECHO_N "checking for style of include used by $am_make... $ECHO_C" >&6 +am__include="#" +am__quote= +_am_result=none +# First try GNU make style include. +echo "include confinc" > confmf +# We grep out `Entering directory' and `Leaving directory' +# messages which can occur if `w' ends up in MAKEFLAGS. +# In particular we don't look at `^make:' because GNU make might +# be invoked under some other name (usually "gmake"), in which +# case it prints its new name instead of `make'. +if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then + am__include=include + am__quote= + _am_result=GNU +fi +# Now try BSD make style include. +if test "$am__include" = "#"; then + echo '.include "confinc"' > confmf + if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then + am__include=.include + am__quote="\"" + _am_result=BSD + fi +fi + + +echo "$as_me:$LINENO: result: $_am_result" >&5 +echo "${ECHO_T}$_am_result" >&6 +rm -f confinc confmf + +# Check whether --enable-dependency-tracking or --disable-dependency-tracking was given. +if test "${enable_dependency_tracking+set}" = set; then + enableval="$enable_dependency_tracking" + +fi; +if test "x$enable_dependency_tracking" != xno; then + am_depcomp="$ac_aux_dir/depcomp" + AMDEPBACKSLASH='\' +fi + + +if test "x$enable_dependency_tracking" != xno; then + AMDEP_TRUE= + AMDEP_FALSE='#' +else + AMDEP_TRUE='#' + AMDEP_FALSE= +fi + + + + +depcc="$CC" am_compiler_list= + +echo "$as_me:$LINENO: checking dependency style of $depcc" >&5 +echo $ECHO_N "checking dependency style of $depcc... $ECHO_C" >&6 +if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + case $depmode in + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + none) break ;; + esac + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. + if depmode=$depmode \ + source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5 +echo "${ECHO_T}$am_cv_CC_dependencies_compiler_type" >&6 +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + + +if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + + + + + +if test "x$GCC" != "xyes"; then + { { echo "$as_me:$LINENO: error: libmudflap must be built with GCC" >&5 +echo "$as_me: error: libmudflap must be built with GCC" >&2;} + { (exit 1); exit 1; }; } +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5 +echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6 +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if test "${ac_cv_prog_CPP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + # <limits.h> exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + Syntax error +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.$ac_ext + + # OK, works on sane cases. Now check whether non-existent headers + # can be detected and how. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <ac_nonexistent.h> +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + # Broken: success on invalid input. +continue +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.err conftest.$ac_ext +if $ac_preproc_ok; then + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +echo "$as_me:$LINENO: result: $CPP" >&5 +echo "${ECHO_T}$CPP" >&6 +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + # <limits.h> exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + Syntax error +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.$ac_ext + + # OK, works on sane cases. Now check whether non-existent headers + # can be detected and how. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <ac_nonexistent.h> +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + # Broken: success on invalid input. +continue +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.err conftest.$ac_ext +if $ac_preproc_ok; then + : +else + { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details." >&5 +echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +# Some hosts don't have dlsym(RTLD_NEXT, "symbol") for use in +# symbol interposition. We disable shared libraries for these. +echo "$as_me:$LINENO: checking whether dlsym(RTLD_NEXT,...) is available" >&5 +echo $ECHO_N "checking whether dlsym(RTLD_NEXT,...) is available... $ECHO_C" >&6 + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +#define _GNU_SOURCE +#include <dlfcn.h> + +int +main () +{ +void *foo = dlsym (RTLD_NEXT, "exit"); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +enable_shared=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + + +echo "$as_me:$LINENO: checking for egrep" >&5 +echo $ECHO_N "checking for egrep... $ECHO_C" >&6 +if test "${ac_cv_prog_egrep+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if echo a | (grep -E '(a|b)') >/dev/null 2>&1 + then ac_cv_prog_egrep='grep -E' + else ac_cv_prog_egrep='egrep' + fi +fi +echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5 +echo "${ECHO_T}$ac_cv_prog_egrep" >&6 + EGREP=$ac_cv_prog_egrep + + +echo "$as_me:$LINENO: checking for ANSI C header files" >&5 +echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6 +if test "${ac_cv_header_stdc+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <float.h> + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_header_stdc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_header_stdc=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <string.h> + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then + : +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <stdlib.h> + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then + : +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then + : +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <ctype.h> +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + exit(2); + exit (0); +} +_ACEOF +rm -f conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { ac_try='./conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + : +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) +ac_cv_header_stdc=no +fi +rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi +fi +fi +echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5 +echo "${ECHO_T}$ac_cv_header_stdc" >&6 +if test $ac_cv_header_stdc = yes; then + +cat >>confdefs.h <<\_ACEOF +#define STDC_HEADERS 1 +_ACEOF + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. + + + + + + + + + +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do +as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default + +#include <$ac_header> +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_Header=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_Header=no" +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 +if test `eval echo '${'$as_ac_Header'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + + + + + + + + + + + + + + + + + + + + +for ac_header in stdint.h execinfo.h signal.h dlfcn.h dirent.h pwd.h grp.h \ + netdb.h sys/ipc.h sys/sem.h sys/shm.h sys/wait.h ctype.h mntent.h \ + sys/socket.h netinet/in.h arpa/inet.h dlfcn.h sys/mman.h +do +as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 +else + # Is the header compilable? +echo "$as_me:$LINENO: checking $ac_header usability" >&5 +echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +#include <$ac_header> +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_header_compiler=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_header_compiler=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 +echo "${ECHO_T}$ac_header_compiler" >&6 + +# Is the header present? +echo "$as_me:$LINENO: checking $ac_header presence" >&5 +echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <$ac_header> +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + ac_header_preproc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_header_preproc=no +fi +rm -f conftest.err conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 +echo "${ECHO_T}$ac_header_preproc" >&6 + +# So? What about this header? +case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in + yes:no: ) + { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 +echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 +echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} + ac_header_preproc=yes + ;; + no:yes:* ) + { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 +echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 +echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 +echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 +echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 +echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 +echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} + ( + cat <<\_ASBOX +## ------------------------------------- ## +## Report this to the libmudflap lists. ## +## ------------------------------------- ## +_ASBOX + ) | + sed "s/^/$as_me: WARNING: /" >&2 + ;; +esac +echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + eval "$as_ac_Header=\$ac_header_preproc" +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 + +fi +if test `eval echo '${'$as_ac_Header'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + + + + + +for ac_func in backtrace backtrace_symbols gettimeofday signal +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + + + + +for ac_func in fopen64 fseeko64 ftello64 stat64 freopen64 +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + + + +for ac_func in setbuf setbuffer setlinebuf setvbuf +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + + + + +for ac_func in strnlen memrchr strncpy memmem sethostname +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + + +for ac_func in __ctype_b_loc __ctype_tolower_loc __ctype_toupper_loc +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + + + + + + + +for ac_func in getlogin cuserid getpwnam getpwuid getpwent getgrnam getgrgid getgrent +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + + + + +for ac_func in getlogin_r getpwnam_r getpwuid_r getgrnam_r getgrgid_r +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + + + + +for ac_func in getservent getservbyname getservbyport getaddrinfo gai_strerror +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + + +for ac_func in getprotoent getprotobyname getprotobynumber +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + + +for ac_func in getmntent setmntent addmntent +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + + +for ac_func in inet_ntoa mmap munmap +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <sys/types.h> +#include <sys/ipc.h> +#include <sys/sem.h> +int +main () +{ +union semun foo; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + mf_have_semun=1 +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +mf_have_semun=0 +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +if test $mf_have_semun = 1 +then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_UNION_SEMUN 1 +_ACEOF + +fi + + +echo "$as_me:$LINENO: checking for socklen_t in sys/socket.h" >&5 +echo $ECHO_N "checking for socklen_t in sys/socket.h... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#define _POSIX_PII_SOCKET +#include <sys/types.h> +#include <sys/socket.h> +int +main () +{ +socklen_t x = 5; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_SOCKLEN_T 1 +_ACEOF + + echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + + +# Check whether --enable-shared or --disable-shared was given. +if test "${enable_shared+set}" = set; then + enableval="$enable_shared" + p=${PACKAGE-default} +case $enableval in +yes) enable_shared=yes ;; +no) enable_shared=no ;; +*) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," + for pkg in $enableval; do + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS="$ac_save_ifs" + ;; +esac +else + enable_shared=yes +fi; +# Check whether --enable-static or --disable-static was given. +if test "${enable_static+set}" = set; then + enableval="$enable_static" + p=${PACKAGE-default} +case $enableval in +yes) enable_static=yes ;; +no) enable_static=no ;; +*) + enable_static=no + # Look at the argument we got. We use all the common list separators. + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," + for pkg in $enableval; do + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS="$ac_save_ifs" + ;; +esac +else + enable_static=yes +fi; +# Check whether --enable-fast-install or --disable-fast-install was given. +if test "${enable_fast_install+set}" = set; then + enableval="$enable_fast_install" + p=${PACKAGE-default} +case $enableval in +yes) enable_fast_install=yes ;; +no) enable_fast_install=no ;; +*) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," + for pkg in $enableval; do + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS="$ac_save_ifs" + ;; +esac +else + enable_fast_install=yes +fi; + +# Check whether --with-gnu-ld or --without-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then + withval="$with_gnu_ld" + test "$withval" = no || with_gnu_ld=yes +else + with_gnu_ld=no +fi; +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + echo "$as_me:$LINENO: checking for ld used by GCC" >&5 +echo $ECHO_N "checking for ld used by GCC... $ECHO_C" >&6 + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | [A-Za-z]:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the path of ld + ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` + while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do + ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + echo "$as_me:$LINENO: checking for GNU ld" >&5 +echo $ECHO_N "checking for GNU ld... $ECHO_C" >&6 +else + echo "$as_me:$LINENO: checking for non-GNU ld" >&5 +echo $ECHO_N "checking for non-GNU ld... $ECHO_C" >&6 +fi +if test "${lt_cv_path_LD+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -z "$LD"; then + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" + for ac_dir in $PATH; do + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some GNU ld's only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + if "$lt_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then + test "$with_gnu_ld" != no && break + else + test "$with_gnu_ld" != yes && break + fi + fi + done + IFS="$ac_save_ifs" +else + lt_cv_path_LD="$LD" # Let the user override the test with a path. +fi +fi + +LD="$lt_cv_path_LD" +if test -n "$LD"; then + echo "$as_me:$LINENO: result: $LD" >&5 +echo "${ECHO_T}$LD" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi +test -z "$LD" && { { echo "$as_me:$LINENO: error: no acceptable ld found in \$PATH" >&5 +echo "$as_me: error: no acceptable ld found in \$PATH" >&2;} + { (exit 1); exit 1; }; } +echo "$as_me:$LINENO: checking if the linker ($LD) is GNU ld" >&5 +echo $ECHO_N "checking if the linker ($LD) is GNU ld... $ECHO_C" >&6 +if test "${lt_cv_prog_gnu_ld+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + # I'd rather use --version here, but apparently some GNU ld's only accept -v. +if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then + lt_cv_prog_gnu_ld=yes +else + lt_cv_prog_gnu_ld=no +fi +fi +echo "$as_me:$LINENO: result: $lt_cv_prog_gnu_ld" >&5 +echo "${ECHO_T}$lt_cv_prog_gnu_ld" >&6 +with_gnu_ld=$lt_cv_prog_gnu_ld + + +echo "$as_me:$LINENO: checking for $LD option to reload object files" >&5 +echo $ECHO_N "checking for $LD option to reload object files... $ECHO_C" >&6 +if test "${lt_cv_ld_reload_flag+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + lt_cv_ld_reload_flag='-r' +fi +echo "$as_me:$LINENO: result: $lt_cv_ld_reload_flag" >&5 +echo "${ECHO_T}$lt_cv_ld_reload_flag" >&6 +reload_flag=$lt_cv_ld_reload_flag +test -n "$reload_flag" && reload_flag=" $reload_flag" + +echo "$as_me:$LINENO: checking for BSD-compatible nm" >&5 +echo $ECHO_N "checking for BSD-compatible nm... $ECHO_C" >&6 +if test "${lt_cv_path_NM+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM="$NM" +else + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" + for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do + test -z "$ac_dir" && ac_dir=. + tmp_nm=$ac_dir/${ac_tool_prefix}nm + if test -f $tmp_nm || test -f $tmp_nm$ac_exeext ; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the `sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then + lt_cv_path_NM="$tmp_nm -B" + break + elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then + lt_cv_path_NM="$tmp_nm -p" + break + else + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + fi + fi + done + IFS="$ac_save_ifs" + test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm +fi +fi + +NM="$lt_cv_path_NM" +echo "$as_me:$LINENO: result: $NM" >&5 +echo "${ECHO_T}$NM" >&6 + +echo "$as_me:$LINENO: checking whether ln -s works" >&5 +echo $ECHO_N "checking whether ln -s works... $ECHO_C" >&6 +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 +else + echo "$as_me:$LINENO: result: no, using $LN_S" >&5 +echo "${ECHO_T}no, using $LN_S" >&6 +fi + +echo "$as_me:$LINENO: checking how to recognise dependant libraries" >&5 +echo $ECHO_N "checking how to recognise dependant libraries... $ECHO_C" >&6 +if test "${lt_cv_deplibs_check_method+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + lt_cv_file_magic_cmd='$MAGIC_CMD' +lt_cv_file_magic_test_file= +lt_cv_deplibs_check_method='unknown' +# Need to set the preceding variable on all platforms that support +# interlibrary dependencies. +# 'none' -- dependencies not supported. +# `unknown' -- same as none, but documents that we really don't know. +# 'pass_all' -- all dependencies passed with no checks. +# 'test_compile' -- check by making test program. +# 'file_magic [regex]' -- check by looking for files in library path +# which responds to the $file_magic_cmd with a given egrep regex. +# If you have `file' or equivalent on your system and you're not sure +# whether `pass_all' will *always* work, you probably want this one. + +case $host_os in +aix*) + lt_cv_deplibs_check_method=pass_all + ;; + +beos*) + lt_cv_deplibs_check_method=pass_all + ;; + +bsdi4*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' + lt_cv_file_magic_cmd='/usr/bin/file -L' + lt_cv_file_magic_test_file=/shlib/libc.so + ;; + +cygwin* | mingw* |pw32*) + lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + # this will be overwritten by pass_all, but leave it in just in case + lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library' + lt_cv_file_magic_cmd='/usr/bin/file -L' + case "$host_os" in + rhapsody* | darwin1.012) + lt_cv_file_magic_test_file='/System/Library/Frameworks/System.framework/System' + ;; + *) # Darwin 1.3 on + lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib' + ;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | kfreebsd*-gnu) + if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD)/i[3-9]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20*|hpux11*) + case $host_cpu in + hppa*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + ia64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + esac + ;; + +irix5* | irix6*) + case $host_os in + irix5*) + # this will be overridden with pass_all, but let us keep it just in case + lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1" + ;; + *) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + # this will be overridden with pass_all, but let us keep it just in case + lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1" + ;; + esac + lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*` + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be Linux ELF. +linux-gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd* | knetbsd*-gnu) + if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so$' + fi + ;; + +newsos6) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +osf3* | osf4* | osf5*) + # this will be overridden with pass_all, but let us keep it just in case + lt_cv_deplibs_check_method='file_magic COFF format alpha shared library' + lt_cv_file_magic_test_file=/shlib/libc.so + lt_cv_deplibs_check_method=pass_all + ;; + +sco3.2v5*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + lt_cv_file_magic_test_file=/lib/libc.so + ;; + +sysv5uw[78]* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + case $host_vendor in + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + motorola) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + esac + ;; +esac + +fi +echo "$as_me:$LINENO: result: $lt_cv_deplibs_check_method" >&5 +echo "${ECHO_T}$lt_cv_deplibs_check_method" >&6 +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method + + + +# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers! + +# find the maximum length of command line arguments +echo "$as_me:$LINENO: checking the maximum length of command line arguments" >&5 +echo $ECHO_N "checking the maximum length of command line arguments... $ECHO_C" >&6 +if test "${lt_cv_sys_max_cmd_len+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + i=0 + teststring="ABCD" + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + cygwin* | mingw*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for *BSD + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + esac + +fi + +if test -n "$lt_cv_sys_max_cmd_len" ; then + echo "$as_me:$LINENO: result: $lt_cv_sys_max_cmd_len" >&5 +echo "${ECHO_T}$lt_cv_sys_max_cmd_len" >&6 +else + echo "$as_me:$LINENO: result: none" >&5 +echo "${ECHO_T}none" >&6 +fi + + +# Only perform the check for file, if the check method requires it +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + echo "$as_me:$LINENO: checking for ${ac_tool_prefix}file" >&5 +echo $ECHO_N "checking for ${ac_tool_prefix}file... $ECHO_C" >&6 +if test "${lt_cv_path_MAGIC_CMD+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + case $MAGIC_CMD in + /*) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; + ?:/*) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a dos path. + ;; + *) + ac_save_MAGIC_CMD="$MAGIC_CMD" + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" + ac_dummy="/usr/bin:$PATH" + for ac_dir in $ac_dummy; do + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/${ac_tool_prefix}file; then + lt_cv_path_MAGIC_CMD="$ac_dir/${ac_tool_prefix}file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`" + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + egrep "$file_magic_regex" > /dev/null; then + : + else + cat <<EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +EOF + fi ;; + esac + fi + break + fi + done + IFS="$ac_save_ifs" + MAGIC_CMD="$ac_save_MAGIC_CMD" + ;; +esac +fi + +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + echo "$as_me:$LINENO: result: $MAGIC_CMD" >&5 +echo "${ECHO_T}$MAGIC_CMD" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + echo "$as_me:$LINENO: checking for file" >&5 +echo $ECHO_N "checking for file... $ECHO_C" >&6 +if test "${lt_cv_path_MAGIC_CMD+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + case $MAGIC_CMD in + /*) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; + ?:/*) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a dos path. + ;; + *) + ac_save_MAGIC_CMD="$MAGIC_CMD" + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" + ac_dummy="/usr/bin:$PATH" + for ac_dir in $ac_dummy; do + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/file; then + lt_cv_path_MAGIC_CMD="$ac_dir/file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`" + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + egrep "$file_magic_regex" > /dev/null; then + : + else + cat <<EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +EOF + fi ;; + esac + fi + break + fi + done + IFS="$ac_save_ifs" + MAGIC_CMD="$ac_save_MAGIC_CMD" + ;; +esac +fi + +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + echo "$as_me:$LINENO: result: $MAGIC_CMD" >&5 +echo "${ECHO_T}$MAGIC_CMD" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + else + MAGIC_CMD=: + fi +fi + + fi + ;; +esac + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_RANLIB+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + echo "$as_me:$LINENO: result: $RANLIB" >&5 +echo "${ECHO_T}$RANLIB" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + + test -z "$ac_cv_prog_ac_ct_RANLIB" && ac_cv_prog_ac_ct_RANLIB=":" +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5 +echo "${ECHO_T}$ac_ct_RANLIB" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + RANLIB=$ac_ct_RANLIB +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_STRIP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + echo "$as_me:$LINENO: result: $STRIP" >&5 +echo "${ECHO_T}$STRIP" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + + test -z "$ac_cv_prog_ac_ct_STRIP" && ac_cv_prog_ac_ct_STRIP=":" +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5 +echo "${ECHO_T}$ac_ct_STRIP" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + STRIP=$ac_ct_STRIP +else + STRIP="$ac_cv_prog_STRIP" +fi + + +# Check for any special flags to pass to ltconfig. +libtool_flags="--cache-file=$cache_file" +test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" +test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" +test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install" +test "$GCC" = yes && libtool_flags="$libtool_flags --with-gcc" +test "$lt_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" + + +# Check whether --enable-libtool-lock or --disable-libtool-lock was given. +if test "${enable_libtool_lock+set}" = set; then + enableval="$enable_libtool_lock" + +fi; +test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock" +test x"$silent" = xyes && libtool_flags="$libtool_flags --silent" + + +# Check whether --with-pic or --without-pic was given. +if test "${with_pic+set}" = set; then + withval="$with_pic" + pic_mode="$withval" +else + pic_mode=default +fi; +test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic" +test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic" + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +*-*-irix6*) + # Find out which ABI we are using. + echo '#line 5852 "configure"' > conftest.$ac_ext + if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + if test "$lt_cv_prog_gnu_ld" = yes; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +ia64-*-hpux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + case "`/usr/bin/file conftest.o`" in + *ELF-32*) + HPUX_IA64_MODE="32" + ;; + *ELF-64*) + HPUX_IA64_MODE="64" + ;; + esac + fi + rm -rf conftest* + ;; + +x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*|s390*-*linux*|sparc*-*linux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + case "`/usr/bin/file conftest.o`" in + *32-bit*) + case $host in + x86_64-*linux*) + LD="${LD-ld} -m elf_i386" + ;; + ppc64-*linux*|powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + ppc*-*linux*|powerpc*-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -belf" + echo "$as_me:$LINENO: checking whether the C compiler needs -belf" >&5 +echo $ECHO_N "checking whether the C compiler needs -belf... $ECHO_C" >&6 +if test "${lt_cv_cc_needs_belf+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + + + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + lt_cv_cc_needs_belf=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +lt_cv_cc_needs_belf=no +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +fi +echo "$as_me:$LINENO: result: $lt_cv_cc_needs_belf" >&5 +echo "${ECHO_T}$lt_cv_cc_needs_belf" >&6 + if test x"$lt_cv_cc_needs_belf" != x"yes"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS="$SAVE_CFLAGS" + fi + ;; + + +esac + + +# Save cache, so that ltconfig can load it +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, don't put newlines in cache variables' values. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +{ + (set) 2>&1 | + case `(ac_space=' '; set | grep ac_space) 2>&1` in + *ac_space=\ *) + # `set' does not quote correctly, so add quotes (double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \). + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n \ + "s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p" + ;; + esac; +} | + sed ' + t clear + : clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + : end' >>confcache +if diff $cache_file confcache >/dev/null 2>&1; then :; else + if test -w $cache_file; then + test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file" + cat confcache >$cache_file + else + echo "not updating unwritable cache $cache_file" + fi +fi +rm -f confcache + +# Actually configure libtool. ac_aux_dir is where install-sh is found. +AR="$AR" LTCC="$CC" CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ +MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \ +LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \ +AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \ +objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \ +deplibs_check_method="$deplibs_check_method" file_magic_cmd="$file_magic_cmd" \ +${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \ +$libtool_flags --no-verify --build="$build" $ac_aux_dir/ltmain.sh $host \ +|| { { echo "$as_me:$LINENO: error: libtool configure failed" >&5 +echo "$as_me: error: libtool configure failed" >&2;} + { (exit 1); exit 1; }; } + +# Reload cache, that may have been modified by ltconfig +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special + # files actually), so we avoid doing that. + if test -f "$cache_file"; then + { echo "$as_me:$LINENO: loading cache $cache_file" >&5 +echo "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . $cache_file;; + *) . ./$cache_file;; + esac + fi +else + { echo "$as_me:$LINENO: creating cache $cache_file" >&5 +echo "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh $ac_aux_dir/ltcf-c.sh" + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' + +# Redirect the config.log output again, so that the ltconfig log is not +# clobbered by the next message. +exec 5>>./config.log + + + + + + + + + +if test "${ac_cv_header_stdint_h+set}" = set; then + echo "$as_me:$LINENO: checking for stdint.h" >&5 +echo $ECHO_N "checking for stdint.h... $ECHO_C" >&6 +if test "${ac_cv_header_stdint_h+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +fi +echo "$as_me:$LINENO: result: $ac_cv_header_stdint_h" >&5 +echo "${ECHO_T}$ac_cv_header_stdint_h" >&6 +else + # Is the header compilable? +echo "$as_me:$LINENO: checking stdint.h usability" >&5 +echo $ECHO_N "checking stdint.h usability... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +#include <stdint.h> +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_header_compiler=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_header_compiler=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 +echo "${ECHO_T}$ac_header_compiler" >&6 + +# Is the header present? +echo "$as_me:$LINENO: checking stdint.h presence" >&5 +echo $ECHO_N "checking stdint.h presence... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <stdint.h> +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + ac_header_preproc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_header_preproc=no +fi +rm -f conftest.err conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 +echo "${ECHO_T}$ac_header_preproc" >&6 + +# So? What about this header? +case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in + yes:no: ) + { echo "$as_me:$LINENO: WARNING: stdint.h: accepted by the compiler, rejected by the preprocessor!" >&5 +echo "$as_me: WARNING: stdint.h: accepted by the compiler, rejected by the preprocessor!" >&2;} + { echo "$as_me:$LINENO: WARNING: stdint.h: proceeding with the compiler's result" >&5 +echo "$as_me: WARNING: stdint.h: proceeding with the compiler's result" >&2;} + ac_header_preproc=yes + ;; + no:yes:* ) + { echo "$as_me:$LINENO: WARNING: stdint.h: present but cannot be compiled" >&5 +echo "$as_me: WARNING: stdint.h: present but cannot be compiled" >&2;} + { echo "$as_me:$LINENO: WARNING: stdint.h: check for missing prerequisite headers?" >&5 +echo "$as_me: WARNING: stdint.h: check for missing prerequisite headers?" >&2;} + { echo "$as_me:$LINENO: WARNING: stdint.h: see the Autoconf documentation" >&5 +echo "$as_me: WARNING: stdint.h: see the Autoconf documentation" >&2;} + { echo "$as_me:$LINENO: WARNING: stdint.h: section \"Present But Cannot Be Compiled\"" >&5 +echo "$as_me: WARNING: stdint.h: section \"Present But Cannot Be Compiled\"" >&2;} + { echo "$as_me:$LINENO: WARNING: stdint.h: proceeding with the preprocessor's result" >&5 +echo "$as_me: WARNING: stdint.h: proceeding with the preprocessor's result" >&2;} + { echo "$as_me:$LINENO: WARNING: stdint.h: in the future, the compiler will take precedence" >&5 +echo "$as_me: WARNING: stdint.h: in the future, the compiler will take precedence" >&2;} + ( + cat <<\_ASBOX +## ------------------------------------- ## +## Report this to the libmudflap lists. ## +## ------------------------------------- ## +_ASBOX + ) | + sed "s/^/$as_me: WARNING: /" >&2 + ;; +esac +echo "$as_me:$LINENO: checking for stdint.h" >&5 +echo $ECHO_N "checking for stdint.h... $ECHO_C" >&6 +if test "${ac_cv_header_stdint_h+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_header_stdint_h=$ac_header_preproc +fi +echo "$as_me:$LINENO: result: $ac_cv_header_stdint_h" >&5 +echo "${ECHO_T}$ac_cv_header_stdint_h" >&6 + +fi +if test $ac_cv_header_stdint_h = yes; then + MF_HAVE_STDINT_H=1 +else + MF_HAVE_STDINT_H=0 +fi + + + +if test $MF_HAVE_STDINT_H = 1 +then + MF_HAVE_UINTPTR_T=1 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <sys/types.h> +int +main () +{ +uintptr_t k = 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + MF_HAVE_UINTPTR_T=1 +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +MF_HAVE_UINTPTR_T=0 +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi + + +if test ! -d pth +then + # libmudflapth objects are built in this subdirectory + mkdir pth +fi + + +for ac_header in pthread.h +do +as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 +else + # Is the header compilable? +echo "$as_me:$LINENO: checking $ac_header usability" >&5 +echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +#include <$ac_header> +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_header_compiler=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_header_compiler=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 +echo "${ECHO_T}$ac_header_compiler" >&6 + +# Is the header present? +echo "$as_me:$LINENO: checking $ac_header presence" >&5 +echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <$ac_header> +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null; then + if test -s conftest.err; then + ac_cpp_err=$ac_c_preproc_warn_flag + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + ac_header_preproc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_header_preproc=no +fi +rm -f conftest.err conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 +echo "${ECHO_T}$ac_header_preproc" >&6 + +# So? What about this header? +case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in + yes:no: ) + { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 +echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 +echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} + ac_header_preproc=yes + ;; + no:yes:* ) + { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 +echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 +echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 +echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 +echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 +echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} + { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 +echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} + ( + cat <<\_ASBOX +## ------------------------------------- ## +## Report this to the libmudflap lists. ## +## ------------------------------------- ## +_ASBOX + ) | + sed "s/^/$as_me: WARNING: /" >&2 + ;; +esac +echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 +if eval "test \"\${$as_ac_Header+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + eval "$as_ac_Header=\$ac_header_preproc" +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 + +fi +if test `eval echo '${'$as_ac_Header'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +echo "$as_me:$LINENO: checking for thread model used by GCC" >&5 +echo $ECHO_N "checking for thread model used by GCC... $ECHO_C" >&6 +target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'` +echo "$as_me:$LINENO: result: $target_thread_file" >&5 +echo "${ECHO_T}$target_thread_file" >&6 + +# We only support posix threads, or no threads at all. +posix_threads= +case ${target_thread_file} in + posix) + posix_threads=yes + ;; + single) + ;; + *) + echo "${target_thread_file} is an unsupported thread package" 1>&2 + exit 1 + ;; +esac + + + +if test "x$posix_threads" != "x"; then + LIBMUDFLAPTH_TRUE= + LIBMUDFLAPTH_FALSE='#' +else + LIBMUDFLAPTH_TRUE='#' + LIBMUDFLAPTH_FALSE= +fi + +if test "x$posix_threads" != "x" +then + build_libmudflapth=1 +else + build_libmudflapth=0 +fi + + + +echo "$as_me:$LINENO: checking for dlsym in -ldl" >&5 +echo $ECHO_N "checking for dlsym in -ldl... $ECHO_C" >&6 +if test "${ac_cv_lib_dl_dlsym+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char dlsym (); +int +main () +{ +dlsym (); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_lib_dl_dlsym=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_lib_dl_dlsym=no +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlsym" >&5 +echo "${ECHO_T}$ac_cv_lib_dl_dlsym" >&6 +if test $ac_cv_lib_dl_dlsym = yes; then + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBDL 1 +_ACEOF + + LIBS="-ldl $LIBS" + +fi + + +# Calculate toolexeclibdir +# Also toolexecdir, though it's only used in toolexeclibdir +case ${version_specific_libs} in + yes) + # Need the gcc compiler version to know where to install libraries + # and header files if --enable-version-specific-runtime-libs option + # is selected. + toolexecdir='$(libdir)/gcc/$(target_alias)' + toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)' + ;; + no) + if test -n "$with_cross_host" && + test x"$with_cross_host" != x"no"; then + # Install a library built with a cross compiler in tooldir, not libdir. + toolexecdir='$(exec_prefix)/$(target_alias)' + toolexeclibdir='$(toolexecdir)/lib' + else + toolexecdir='$(libdir)/gcc-lib/$(target_alias)' + toolexeclibdir='$(libdir)' + fi + multi_os_directory=`$CC -print-multi-os-directory` + case $multi_os_directory in + .) ;; # Avoid trailing /. + *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; + esac + ;; +esac + + + +includedir=${toolexecdir}/include + + +pthread_create_version='""' +if test "x$enable_shared" = "xyes" && test "x$posix_threads" != "x"; then + # NB: don't check for -lpthread here, because then it would be + # added to LIBS. For the thread-unaware libmudflap.la, we don't + # want it there. + + # glibc-related hacks. dlsym() may pick the wrong version of + # interposed functions like pthread_create on modern glibc. + # We need to find the proper symbol version string, and use + # the nonstandard dlvsym(). + +for ac_func in dlvsym +do +as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh` +echo "$as_me:$LINENO: checking for $ac_func" >&5 +echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6 +if eval "test \"\${$as_ac_var+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $ac_func innocuous_$ac_func + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func (); below. + Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + <limits.h> exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + +#undef $ac_func + +/* Override any gcc2 internal prototype to avoid an error. */ +#ifdef __cplusplus +extern "C" +{ +#endif +/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +char $ac_func (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +char (*f) () = $ac_func; +#endif +#ifdef __cplusplus +} +#endif + +int +main () +{ +return f != $ac_func; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "$as_ac_var=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "$as_ac_var=no" +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5 +echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6 +if test `eval echo '${'$as_ac_var'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}nm", so it can be a program name with args. +set dummy ${ac_tool_prefix}nm; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_NM+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$NM"; then + ac_cv_prog_NM="$NM" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_NM="${ac_tool_prefix}nm" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +NM=$ac_cv_prog_NM +if test -n "$NM"; then + echo "$as_me:$LINENO: result: $NM" >&5 +echo "${ECHO_T}$NM" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +fi +if test -z "$ac_cv_prog_NM"; then + ac_ct_NM=$NM + # Extract the first word of "nm", so it can be a program name with args. +set dummy nm; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_prog_ac_ct_NM+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_NM"; then + ac_cv_prog_ac_ct_NM="$ac_ct_NM" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_NM="nm" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + +fi +fi +ac_ct_NM=$ac_cv_prog_ac_ct_NM +if test -n "$ac_ct_NM"; then + echo "$as_me:$LINENO: result: $ac_ct_NM" >&5 +echo "${ECHO_T}$ac_ct_NM" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + NM=$ac_ct_NM +else + NM="$ac_cv_prog_NM" +fi + + if test "x$ac_cv_have_dlvsym" != "x"; then + # Try compiling a simple pthreads program. Find the shared libraries it + # ends up with. Then use "nm" on those libraries to extract the + # default symbol versioning suffix ("@@"), if any. But that's tricky. + # Rather, run nm on the resulting executable. Unfortunately, autoconf + # doesn't appear to have a macro that builds a test executable for + # subsequent analysis ... so we do it by hand here. + cat >> conftest.c << EOF +#include <pthread.h> +int main () { void *p = (void *) & pthread_create; return (int) p; } +EOF + oldLIBS="$LIBS" + LIBS="$LIBS -lpthread" + pthread_create_version="\"\"" + echo "$as_me:$LINENO: checking pthread_create symbol version" >&5 +echo $ECHO_N "checking pthread_create symbol version... $ECHO_C" >&6 + if eval $ac_link 2>&5 && test -s conftest${ac_exeext}; then + version=`$NM conftest${ac_exeect} | grep 'pthread_create@@' | sed -e 's/^.*@@//'` + if test "x$version" != "x"; then + pthread_create_version="\"$version\"" + fi + fi + echo "$as_me:$LINENO: result: $pthread_create_version" >&5 +echo "${ECHO_T}$pthread_create_version" >&6 + LIBS="$oldLIBS" + fi +fi + +cat >>confdefs.h <<_ACEOF +#define PTHREAD_CREATE_VERSION $pthread_create_version +_ACEOF + + + +# Figure out whether the compiler supports "-ffunction-sections -fdata-sections", +# similarly to how libstdc++ does it +ac_test_CFLAGS="${CFLAGS+set}" +ac_save_CFLAGS="$CFLAGS" + +# Check for -ffunction-sections -fdata-sections +echo "$as_me:$LINENO: checking for gcc that supports -ffunction-sections -fdata-sections" >&5 +echo $ECHO_N "checking for gcc that supports -ffunction-sections -fdata-sections... $ECHO_C" >&6 +CFLAGS='-Werror -ffunction-sections -fdata-sections' +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +int foo; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_fdsections=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_fdsections=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +if test "$ac_test_CFLAGS" = set; then + CFLAGS="$ac_save_CFLAGS" +else + # this is the suspicious part + CFLAGS="" +fi +if test x"$ac_fdsections" = x"yes"; then + SECTION_FLAGS='-ffunction-sections -fdata-sections' +fi +echo "$as_me:$LINENO: result: $ac_fdsections" >&5 +echo "${ECHO_T}$ac_fdsections" >&6 + + + +# Check for the name of the symbol used for the entry point. +echo "$as_me:$LINENO: checking for the name of the symbol used for the entry point" >&5 +echo $ECHO_N "checking for the name of the symbol used for the entry point... $ECHO_C" >&6 +if test "${mudflap_cv_entry_point+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + +for name in _start __start unknown; do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +extern char $name[]; +int +main () +{ +$name[0] = 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +done +mudflap_cv_entry_point="$name" +fi +echo "$as_me:$LINENO: result: $mudflap_cv_entry_point" >&5 +echo "${ECHO_T}$mudflap_cv_entry_point" >&6 +if test "$mudflap_cv_entry_point" = unknown; then + { { echo "$as_me:$LINENO: error: none of the known symbol names works" >&5 +echo "$as_me: error: none of the known symbol names works" >&2;} + { (exit 1); exit 1; }; } +fi + +cat >>confdefs.h <<_ACEOF +#define ENTRY_POINT $mudflap_cv_entry_point +_ACEOF + + + +if test ${multilib} = yes; then + multilib_arg="--enable-multilib" +else + multilib_arg= +fi + +# See if we support thread-local storage. + + # Check whether --enable-tls or --disable-tls was given. +if test "${enable_tls+set}" = set; then + enableval="$enable_tls" + + case "$enableval" in + yes|no) ;; + *) { { echo "$as_me:$LINENO: error: Argument to enable/disable tls must be yes or no" >&5 +echo "$as_me: error: Argument to enable/disable tls must be yes or no" >&2;} + { (exit 1); exit 1; }; } ;; + esac + +else + enable_tls=yes +fi; + + echo "$as_me:$LINENO: checking whether the target supports thread-local storage" >&5 +echo $ECHO_N "checking whether the target supports thread-local storage... $ECHO_C" >&6 +if test "${have_tls+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + + if test "$cross_compiling" = yes; then + cat >conftest.$ac_ext <<_ACEOF +__thread int foo; +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + have_tls=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +have_tls=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + +else + cat >conftest.$ac_ext <<_ACEOF +__thread int a; int b; int main() { return a = b; } +_ACEOF +rm -f conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { ac_try='./conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + save_LDFLAGS="$LDFLAGS" + LDFLAGS="-static $LDFLAGS" + cat >conftest.$ac_ext <<_ACEOF +int main() { return 0; } +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + if test "$cross_compiling" = yes; then + { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot run test program while cross compiling +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +else + cat >conftest.$ac_ext <<_ACEOF +__thread int a; int b; int main() { return a = b; } +_ACEOF +rm -f conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { ac_try='./conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + have_tls=yes +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) +have_tls=no +fi +rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +have_tls=yes +fi +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$save_LDFLAGS" +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) +have_tls=no +fi +rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi +fi +echo "$as_me:$LINENO: result: $have_tls" >&5 +echo "${ECHO_T}$have_tls" >&6 + if test "$enable_tls $have_tls" = "yes yes"; then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_TLS 1 +_ACEOF + + fi + + ac_config_files="$ac_config_files Makefile testsuite/Makefile testsuite/mfconfig.exp" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, don't put newlines in cache variables' values. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +{ + (set) 2>&1 | + case `(ac_space=' '; set | grep ac_space) 2>&1` in + *ac_space=\ *) + # `set' does not quote correctly, so add quotes (double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \). + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n \ + "s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p" + ;; + esac; +} | + sed ' + t clear + : clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + : end' >>confcache +if diff $cache_file confcache >/dev/null 2>&1; then :; else + if test -w $cache_file; then + test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file" + cat confcache >$cache_file + else + echo "not updating unwritable cache $cache_file" + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +# VPATH may cause trouble with some makes, so we remove $(srcdir), +# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=/{ +s/:*\$(srcdir):*/:/; +s/:*\${srcdir}:*/:/; +s/:*@srcdir@:*/:/; +s/^\([^=]*=[ ]*\):*/\1/; +s/:*$//; +s/^[^=]*=[ ]*$//; +}' +fi + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_i=`echo "$ac_i" | + sed 's/\$U\././;s/\.o$//;s/\.obj$//'` + # 2. Add them. + ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext" + ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"MAINTAINER_MODE\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"MAINTAINER_MODE\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi +if test -z "${LIBMUDFLAPTH_TRUE}" && test -z "${LIBMUDFLAPTH_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"LIBMUDFLAPTH\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"LIBMUDFLAPTH\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi + +: ${CONFIG_STATUS=./config.status} +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5 +echo "$as_me: creating $CONFIG_STATUS" >&6;} +cat >$CONFIG_STATUS <<_ACEOF +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false +SHELL=\${CONFIG_SHELL-$SHELL} +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. 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Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +_CSEOF +echo "on `(hostname || uname -n) 2>/dev/null | sed 1q`" >&5 +echo >&5 +_ACEOF + +# Files that config.status was made for. +if test -n "$ac_config_files"; then + echo "config_files=\"$ac_config_files\"" >>$CONFIG_STATUS +fi + +if test -n "$ac_config_headers"; then + echo "config_headers=\"$ac_config_headers\"" >>$CONFIG_STATUS +fi + +if test -n "$ac_config_links"; then + echo "config_links=\"$ac_config_links\"" >>$CONFIG_STATUS +fi + +if test -n "$ac_config_commands"; then + echo "config_commands=\"$ac_config_commands\"" >>$CONFIG_STATUS +fi + +cat >>$CONFIG_STATUS <<\_ACEOF + +ac_cs_usage="\ +\`$as_me' instantiates files from templates according to the +current configuration. + +Usage: $0 [OPTIONS] [FILE]... + + -h, --help print this help, then exit + -V, --version print version number, then exit + -q, --quiet do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Configuration commands: +$config_commands + +Report bugs to <bug-autoconf@gnu.org>." +_ACEOF + +cat >>$CONFIG_STATUS <<_ACEOF +ac_cs_version="\\ +libmudflap config.status 1.0 +configured by $0, generated by GNU Autoconf 2.59, + with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\" + +Copyright (C) 2003 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." +srcdir=$srcdir +INSTALL="$INSTALL" +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF +# If no file are specified by the user, then we need to provide default +# value. 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" + fi + configure_input=$configure_input"Generated from `echo $ac_file_in | + sed 's,.*/,,'` by configure." + + # First look for the input files in the build tree, otherwise in the + # src tree. + ac_file_inputs=`IFS=: + for f in $ac_file_in; do + case $f in + -) echo $tmp/stdin ;; + [\\/$]*) + # Absolute (can't be DOS-style, as IFS=:) + test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5 +echo "$as_me: error: cannot find input file: $f" >&2;} + { (exit 1); exit 1; }; } + echo "$f";; + *) # Relative + if test -f "$f"; then + # Build tree + echo "$f" + elif test -f "$srcdir/$f"; then + # Source tree + echo "$srcdir/$f" + else + # /dev/null tree + { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5 +echo "$as_me: error: cannot find input file: $f" >&2;} + { (exit 1); exit 1; }; } + fi;; + esac + done` || { (exit 1); exit 1; } +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF + sed "$ac_vpsub +$extrasub +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF +:t +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b +s,@configure_input@,$configure_input,;t t +s,@srcdir@,$ac_srcdir,;t t +s,@abs_srcdir@,$ac_abs_srcdir,;t t +s,@top_srcdir@,$ac_top_srcdir,;t t +s,@abs_top_srcdir@,$ac_abs_top_srcdir,;t t +s,@builddir@,$ac_builddir,;t t +s,@abs_builddir@,$ac_abs_builddir,;t t +s,@top_builddir@,$ac_top_builddir,;t t +s,@abs_top_builddir@,$ac_abs_top_builddir,;t t +s,@INSTALL@,$ac_INSTALL,;t t +" $ac_file_inputs | (eval "$ac_sed_cmds") >$tmp/out + rm -f $tmp/stdin + if test x"$ac_file" != x-; then + mv $tmp/out $ac_file + else + cat $tmp/out + rm -f $tmp/out + fi + +done +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF + +# +# CONFIG_HEADER section. +# + +# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where +# NAME is the cpp macro being defined and VALUE is the value it is being given. +# +# ac_d sets the value in "#define NAME VALUE" lines. +ac_dA='s,^\([ ]*\)#\([ ]*define[ ][ ]*\)' +ac_dB='[ ].*$,\1#\2' +ac_dC=' ' +ac_dD=',;t' +# ac_u turns "#undef NAME" without trailing blanks into "#define NAME VALUE". +ac_uA='s,^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)' +ac_uB='$,\1#\2define\3' +ac_uC=' ' +ac_uD=',;t' + +for ac_file in : $CONFIG_HEADERS; do test "x$ac_file" = x: && continue + # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in". + case $ac_file in + - | *:- | *:-:* ) # input from stdin + cat >$tmp/stdin + ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'` + ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;; + *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'` + ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;; + * ) ac_file_in=$ac_file.in ;; + esac + + test x"$ac_file" != x- && { echo "$as_me:$LINENO: creating $ac_file" >&5 +echo "$as_me: creating $ac_file" >&6;} + + # First look for the input files in the build tree, otherwise in the + # src tree. + ac_file_inputs=`IFS=: + for f in $ac_file_in; do + case $f in + -) echo $tmp/stdin ;; + [\\/$]*) + # Absolute (can't be DOS-style, as IFS=:) + test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5 +echo "$as_me: error: cannot find input file: $f" >&2;} + { (exit 1); exit 1; }; } + # Do quote $f, to prevent DOS paths from being IFS'd. + echo "$f";; + *) # Relative + if test -f "$f"; then + # Build tree + echo "$f" + elif test -f "$srcdir/$f"; then + # Source tree + echo "$srcdir/$f" + else + # /dev/null tree + { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5 +echo "$as_me: error: cannot find input file: $f" >&2;} + { (exit 1); exit 1; }; } + fi;; + esac + done` || { (exit 1); exit 1; } + # Remove the trailing spaces. + sed 's/[ ]*$//' $ac_file_inputs >$tmp/in + +_ACEOF + +# Transform confdefs.h into two sed scripts, `conftest.defines' and +# `conftest.undefs', that substitutes the proper values into +# config.h.in to produce config.h. The first handles `#define' +# templates, and the second `#undef' templates. +# And first: Protect against being on the right side of a sed subst in +# config.status. Protect against being in an unquoted here document +# in config.status. +rm -f conftest.defines conftest.undefs +# Using a here document instead of a string reduces the quoting nightmare. +# Putting comments in sed scripts is not portable. +# +# `end' is used to avoid that the second main sed command (meant for +# 0-ary CPP macros) applies to n-ary macro definitions. +# See the Autoconf documentation for `clear'. +cat >confdef2sed.sed <<\_ACEOF +s/[\\&,]/\\&/g +s,[\\$`],\\&,g +t clear +: clear +s,^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*\)\(([^)]*)\)[ ]*\(.*\)$,${ac_dA}\1${ac_dB}\1\2${ac_dC}\3${ac_dD},gp +t end +s,^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)$,${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD},gp +: end +_ACEOF +# If some macros were called several times there might be several times +# the same #defines, which is useless. Nevertheless, we may not want to +# sort them, since we want the *last* AC-DEFINE to be honored. +uniq confdefs.h | sed -n -f confdef2sed.sed >conftest.defines +sed 's/ac_d/ac_u/g' conftest.defines >conftest.undefs +rm -f confdef2sed.sed + +# This sed command replaces #undef with comments. This is necessary, for +# example, in the case of _POSIX_SOURCE, which is predefined and required +# on some systems where configure will not decide to define it. +cat >>conftest.undefs <<\_ACEOF +s,^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */, +_ACEOF + +# Break up conftest.defines because some shells have a limit on the size +# of here documents, and old seds have small limits too (100 cmds). +echo ' # Handle all the #define templates only if necessary.' >>$CONFIG_STATUS +echo ' if grep "^[ ]*#[ ]*define" $tmp/in >/dev/null; then' >>$CONFIG_STATUS +echo ' # If there are no defines, we may have an empty if/fi' >>$CONFIG_STATUS +echo ' :' >>$CONFIG_STATUS +rm -f conftest.tail +while grep . conftest.defines >/dev/null +do + # Write a limited-size here document to $tmp/defines.sed. + echo ' cat >$tmp/defines.sed <<CEOF' >>$CONFIG_STATUS + # Speed up: don't consider the non `#define' lines. + echo '/^[ ]*#[ ]*define/!b' >>$CONFIG_STATUS + # Work around the forget-to-reset-the-flag bug. + echo 't clr' >>$CONFIG_STATUS + echo ': clr' >>$CONFIG_STATUS + sed ${ac_max_here_lines}q conftest.defines >>$CONFIG_STATUS + echo 'CEOF + sed -f $tmp/defines.sed $tmp/in >$tmp/out + rm -f $tmp/in + mv $tmp/out $tmp/in +' >>$CONFIG_STATUS + sed 1,${ac_max_here_lines}d conftest.defines >conftest.tail + rm -f conftest.defines + mv conftest.tail conftest.defines +done +rm -f conftest.defines +echo ' fi # grep' >>$CONFIG_STATUS +echo >>$CONFIG_STATUS + +# Break up conftest.undefs because some shells have a limit on the size +# of here documents, and old seds have small limits too (100 cmds). +echo ' # Handle all the #undef templates' >>$CONFIG_STATUS +rm -f conftest.tail +while grep . conftest.undefs >/dev/null +do + # Write a limited-size here document to $tmp/undefs.sed. + echo ' cat >$tmp/undefs.sed <<CEOF' >>$CONFIG_STATUS + # Speed up: don't consider the non `#undef' + echo '/^[ ]*#[ ]*undef/!b' >>$CONFIG_STATUS + # Work around the forget-to-reset-the-flag bug. + echo 't clr' >>$CONFIG_STATUS + echo ': clr' >>$CONFIG_STATUS + sed ${ac_max_here_lines}q conftest.undefs >>$CONFIG_STATUS + echo 'CEOF + sed -f $tmp/undefs.sed $tmp/in >$tmp/out + rm -f $tmp/in + mv $tmp/out $tmp/in +' >>$CONFIG_STATUS + sed 1,${ac_max_here_lines}d conftest.undefs >conftest.tail + rm -f conftest.undefs + mv conftest.tail conftest.undefs +done +rm -f conftest.undefs + +cat >>$CONFIG_STATUS <<\_ACEOF + # Let's still pretend it is `configure' which instantiates (i.e., don't + # use $as_me), people would be surprised to read: + # /* config.h. Generated by config.status. */ + if test x"$ac_file" = x-; then + echo "/* Generated by configure. */" >$tmp/config.h + else + echo "/* $ac_file. Generated by configure. */" >$tmp/config.h + fi + cat $tmp/in >>$tmp/config.h + rm -f $tmp/in + if test x"$ac_file" != x-; then + if diff $ac_file $tmp/config.h >/dev/null 2>&1; then + { echo "$as_me:$LINENO: $ac_file is unchanged" >&5 +echo "$as_me: $ac_file is unchanged" >&6;} + else + ac_dir=`(dirname "$ac_file") 2>/dev/null || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + { if $as_mkdir_p; then + mkdir -p "$ac_dir" + else + as_dir="$ac_dir" + as_dirs= + while test ! -d "$as_dir"; do + as_dirs="$as_dir $as_dirs" + as_dir=`(dirname "$as_dir") 2>/dev/null || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + done + test ! -n "$as_dirs" || mkdir $as_dirs + fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5 +echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;} + { (exit 1); exit 1; }; }; } + + rm -f $ac_file + mv $tmp/config.h $ac_file + fi + else + cat $tmp/config.h + rm -f $tmp/config.h + fi +# Compute $ac_file's index in $config_headers. +_am_stamp_count=1 +for _am_header in $config_headers :; do + case $_am_header in + $ac_file | $ac_file:* ) + break ;; + * ) + _am_stamp_count=`expr $_am_stamp_count + 1` ;; + esac +done +echo "timestamp for $ac_file" >`(dirname $ac_file) 2>/dev/null || +$as_expr X$ac_file : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X$ac_file : 'X\(//\)[^/]' \| \ + X$ac_file : 'X\(//\)$' \| \ + X$ac_file : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X$ac_file | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'`/stamp-h$_am_stamp_count +done +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF + +# +# CONFIG_COMMANDS section. +# +for ac_file in : $CONFIG_COMMANDS; do test "x$ac_file" = x: && continue + ac_dest=`echo "$ac_file" | sed 's,:.*,,'` + ac_source=`echo "$ac_file" | sed 's,[^:]*:,,'` + ac_dir=`(dirname "$ac_dest") 2>/dev/null || +$as_expr X"$ac_dest" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_dest" : 'X\(//\)[^/]' \| \ + X"$ac_dest" : 'X\(//\)$' \| \ + X"$ac_dest" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$ac_dest" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + { if $as_mkdir_p; then + mkdir -p "$ac_dir" + else + as_dir="$ac_dir" + as_dirs= + while test ! -d "$as_dir"; do + as_dirs="$as_dir $as_dirs" + as_dir=`(dirname "$as_dir") 2>/dev/null || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + done + test ! -n "$as_dirs" || mkdir $as_dirs + fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5 +echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;} + { (exit 1); exit 1; }; }; } + + ac_builddir=. + +if test "$ac_dir" != .; then + ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'` + # A "../" for each directory in $ac_dir_suffix. + ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'` +else + ac_dir_suffix= ac_top_builddir= +fi + +case $srcdir in + .) # No --srcdir option. We are building in place. + ac_srcdir=. + if test -z "$ac_top_builddir"; then + ac_top_srcdir=. + else + ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'` + fi ;; + [\\/]* | ?:[\\/]* ) # Absolute path. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir ;; + *) # Relative path. + ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_builddir$srcdir ;; +esac + +# Do not use `cd foo && pwd` to compute absolute paths, because +# the directories may not exist. +case `pwd` in +.) ac_abs_builddir="$ac_dir";; +*) + case "$ac_dir" in + .) ac_abs_builddir=`pwd`;; + [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";; + *) ac_abs_builddir=`pwd`/"$ac_dir";; + esac;; +esac +case $ac_abs_builddir in +.) ac_abs_top_builddir=${ac_top_builddir}.;; +*) + case ${ac_top_builddir}. in + .) ac_abs_top_builddir=$ac_abs_builddir;; + [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;; + *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;; + esac;; +esac +case $ac_abs_builddir in +.) ac_abs_srcdir=$ac_srcdir;; +*) + case $ac_srcdir in + .) ac_abs_srcdir=$ac_abs_builddir;; + [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;; + *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;; + esac;; +esac +case $ac_abs_builddir in +.) ac_abs_top_srcdir=$ac_top_srcdir;; +*) + case $ac_top_srcdir in + .) ac_abs_top_srcdir=$ac_abs_builddir;; + [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;; + *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;; + esac;; +esac + + + { echo "$as_me:$LINENO: executing $ac_dest commands" >&5 +echo "$as_me: executing $ac_dest commands" >&6;} + case $ac_dest in + default-1 ) +# Only add multilib support code if we just rebuilt the top-level +# Makefile. +case " $CONFIG_FILES " in + *" Makefile "*) + ac_file=Makefile . ${multi_basedir}/config-ml.in + ;; +esac ;; + depfiles ) test x"$AMDEP_TRUE" != x"" || for mf in $CONFIG_FILES; do + # Strip MF so we end up with the name of the file. + mf=`echo "$mf" | sed -e 's/:.*$//'` + # Check whether this is an Automake generated Makefile or not. + # We used to match only the files named `Makefile.in', but + # some people rename them; so instead we look at the file content. + # Grep'ing the first line is not enough: some people post-process + # each Makefile.in and add a new line on top of each file to say so. + # So let's grep whole file. + if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then + dirpart=`(dirname "$mf") 2>/dev/null || +$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$mf" : 'X\(//\)[^/]' \| \ + X"$mf" : 'X\(//\)$' \| \ + X"$mf" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$mf" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + else + continue + fi + # Extract the definition of DEPDIR, am__include, and am__quote + # from the Makefile without running `make'. + DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"` + test -z "$DEPDIR" && continue + am__include=`sed -n 's/^am__include = //p' < "$mf"` + test -z "am__include" && continue + am__quote=`sed -n 's/^am__quote = //p' < "$mf"` + # When using ansi2knr, U may be empty or an underscore; expand it + U=`sed -n 's/^U = //p' < "$mf"` + # Find all dependency output files, they are included files with + # $(DEPDIR) in their names. We invoke sed twice because it is the + # simplest approach to changing $(DEPDIR) to its actual value in the + # expansion. + for file in `sed -n " + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do + # Make sure the directory exists. + test -f "$dirpart/$file" && continue + fdir=`(dirname "$file") 2>/dev/null || +$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$file" : 'X\(//\)[^/]' \| \ + X"$file" : 'X\(//\)$' \| \ + X"$file" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + { if $as_mkdir_p; then + mkdir -p $dirpart/$fdir + else + as_dir=$dirpart/$fdir + as_dirs= + while test ! -d "$as_dir"; do + as_dirs="$as_dir $as_dirs" + as_dir=`(dirname "$as_dir") 2>/dev/null || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + done + test ! -n "$as_dirs" || mkdir $as_dirs + fi || { { echo "$as_me:$LINENO: error: cannot create directory $dirpart/$fdir" >&5 +echo "$as_me: error: cannot create directory $dirpart/$fdir" >&2;} + { (exit 1); exit 1; }; }; } + + # echo "creating $dirpart/$file" + echo '# dummy' > "$dirpart/$file" + done +done + ;; + esac +done +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF + +{ (exit 0); exit 0; } +_ACEOF +chmod +x $CONFIG_STATUS +ac_clean_files=$ac_clean_files_save + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || { (exit 1); exit 1; } +fi + diff --git a/contrib/gcclibs/libmudflap/configure.ac b/contrib/gcclibs/libmudflap/configure.ac new file mode 100644 index 0000000..ff356f2 --- /dev/null +++ b/contrib/gcclibs/libmudflap/configure.ac @@ -0,0 +1,269 @@ +# Process this file with autoconf to produce a configure script, like so: +# aclocal -I .. -I ../config && autoconf && autoheader && automake + +AC_PREREQ(2.59) +AC_INIT(libmudflap, 1.0) +AC_CONFIG_SRCDIR(mf-runtime.c) +AC_CANONICAL_SYSTEM +ACX_NONCANONICAL_TARGET + +AM_INIT_AUTOMAKE + +AC_MSG_CHECKING([for --enable-version-specific-runtime-libs]) +AC_ARG_ENABLE(version-specific-runtime-libs, +[ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ], +[case "$enableval" in + yes) version_specific_libs=yes ;; + no) version_specific_libs=no ;; + *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);; + esac], +[version_specific_libs=no]) +AC_MSG_RESULT($version_specific_libs) + +AM_MAINTAINER_MODE +AC_EXEEXT + +AM_ENABLE_MULTILIB(, ..) + +target_alias=${target_alias-$host_alias} +AC_SUBST(target_alias) + +AC_CONFIG_HEADERS(config.h) + +AC_LANG_C +# The same as in boehm-gc and libstdc++. Have to borrow it from there. +# We must force CC to /not/ be precious variables; otherwise +# the wrong, non-multilib-adjusted value will be used in multilibs. +# As a side effect, we have to subst CFLAGS ourselves. + +m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) +m4_define([_AC_ARG_VAR_PRECIOUS],[]) +AC_PROG_CC +m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) + +AC_SUBST(CFLAGS) + +if test "x$GCC" != "xyes"; then + AC_MSG_ERROR([libmudflap must be built with GCC]) +fi +AC_PROG_CPP + +# Some hosts don't have dlsym(RTLD_NEXT, "symbol") for use in +# symbol interposition. We disable shared libraries for these. +AC_MSG_CHECKING([whether dlsym(RTLD_NEXT,...) is available]) +AC_TRY_COMPILE([ +#define _GNU_SOURCE +#include <dlfcn.h> +], +[void *foo = dlsym (RTLD_NEXT, "exit");], +[AC_MSG_RESULT(yes)], +[AC_MSG_RESULT(no) +enable_shared=no]) + +AC_CHECK_HEADERS(stdint.h execinfo.h signal.h dlfcn.h dirent.h pwd.h grp.h \ + netdb.h sys/ipc.h sys/sem.h sys/shm.h sys/wait.h ctype.h mntent.h \ + sys/socket.h netinet/in.h arpa/inet.h dlfcn.h sys/mman.h) + +AC_CHECK_FUNCS(backtrace backtrace_symbols gettimeofday signal) +AC_CHECK_FUNCS(fopen64 fseeko64 ftello64 stat64 freopen64) +AC_CHECK_FUNCS(setbuf setbuffer setlinebuf setvbuf) +AC_CHECK_FUNCS(strnlen memrchr strncpy memmem sethostname) +AC_CHECK_FUNCS(__ctype_b_loc __ctype_tolower_loc __ctype_toupper_loc) +AC_CHECK_FUNCS(getlogin cuserid getpwnam getpwuid getpwent getgrnam getgrgid getgrent) +AC_CHECK_FUNCS(getlogin_r getpwnam_r getpwuid_r getgrnam_r getgrgid_r) +AC_CHECK_FUNCS(getservent getservbyname getservbyport getaddrinfo gai_strerror) +AC_CHECK_FUNCS(getprotoent getprotobyname getprotobynumber) +AC_CHECK_FUNCS(getmntent setmntent addmntent) +AC_CHECK_FUNCS(inet_ntoa mmap munmap) + +AC_TRY_COMPILE([#include <sys/types.h> +#include <sys/ipc.h> +#include <sys/sem.h>],[union semun foo;], [mf_have_semun=1], [mf_have_semun=0]) +if test $mf_have_semun = 1 +then + AC_DEFINE(HAVE_UNION_SEMUN, 1, [union semun defined in sys/ipc.h or sys/sem.h]) +fi + + +AC_MSG_CHECKING([for socklen_t in sys/socket.h]) +AC_TRY_COMPILE([#define _POSIX_PII_SOCKET +#include <sys/types.h> +#include <sys/socket.h>], [socklen_t x = 5;], + [AC_DEFINE(HAVE_SOCKLEN_T, 1, [Define it socklen_t typedef is in sys/socket.h.]) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no)]) + +AC_LIBTOOL_DLOPEN +AM_PROG_LIBTOOL +AC_SUBST(enable_shared) +AC_SUBST(enable_static) + +AC_CHECK_HEADER(stdint.h, [MF_HAVE_STDINT_H=1], [MF_HAVE_STDINT_H=0]) +AC_SUBST(MF_HAVE_STDINT_H) +if test $MF_HAVE_STDINT_H = 1 +then + MF_HAVE_UINTPTR_T=1 +else + AC_TRY_COMPILE([#include <sys/types.h>], [uintptr_t k = 0;], + [MF_HAVE_UINTPTR_T=1], [MF_HAVE_UINTPTR_T=0]) +fi +AC_SUBST(MF_HAVE_UINTPTR_T) + +if test ! -d pth +then + # libmudflapth objects are built in this subdirectory + mkdir pth +fi + +AC_CHECK_HEADERS(pthread.h) + +AC_MSG_CHECKING([for thread model used by GCC]) +target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'` +AC_MSG_RESULT([$target_thread_file]) + +# We only support posix threads, or no threads at all. +posix_threads= +case ${target_thread_file} in + posix) + posix_threads=yes + ;; + single) + ;; + *) + echo "${target_thread_file} is an unsupported thread package" 1>&2 + exit 1 + ;; +esac + +AM_CONDITIONAL(LIBMUDFLAPTH, [test "x$posix_threads" != "x"]) +if test "x$posix_threads" != "x" +then + build_libmudflapth=1 +else + build_libmudflapth=0 +fi +AC_SUBST(build_libmudflapth) + +AC_CHECK_LIB(dl, dlsym) + +# Calculate toolexeclibdir +# Also toolexecdir, though it's only used in toolexeclibdir +case ${version_specific_libs} in + yes) + # Need the gcc compiler version to know where to install libraries + # and header files if --enable-version-specific-runtime-libs option + # is selected. + toolexecdir='$(libdir)/gcc/$(target_alias)' + toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)' + ;; + no) + if test -n "$with_cross_host" && + test x"$with_cross_host" != x"no"; then + # Install a library built with a cross compiler in tooldir, not libdir. + toolexecdir='$(exec_prefix)/$(target_alias)' + toolexeclibdir='$(toolexecdir)/lib' + else + toolexecdir='$(libdir)/gcc-lib/$(target_alias)' + toolexeclibdir='$(libdir)' + fi + multi_os_directory=`$CC -print-multi-os-directory` + case $multi_os_directory in + .) ;; # Avoid trailing /. + *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; + esac + ;; +esac +AC_SUBST(toolexecdir) +AC_SUBST(toolexeclibdir) + +includedir=${toolexecdir}/include +AC_SUBST(includedir) + +pthread_create_version='""' +if test "x$enable_shared" = "xyes" && test "x$posix_threads" != "x"; then + # NB: don't check for -lpthread here, because then it would be + # added to LIBS. For the thread-unaware libmudflap.la, we don't + # want it there. + + # glibc-related hacks. dlsym() may pick the wrong version of + # interposed functions like pthread_create on modern glibc. + # We need to find the proper symbol version string, and use + # the nonstandard dlvsym(). + AC_CHECK_FUNCS(dlvsym) + AC_CHECK_TOOL(NM, nm) + if test "x$ac_cv_have_dlvsym" != "x"; then + # Try compiling a simple pthreads program. Find the shared libraries it + # ends up with. Then use "nm" on those libraries to extract the + # default symbol versioning suffix ("@@"), if any. But that's tricky. + # Rather, run nm on the resulting executable. Unfortunately, autoconf + # doesn't appear to have a macro that builds a test executable for + # subsequent analysis ... so we do it by hand here. + cat >> conftest.c << EOF +#include <pthread.h> +int main () { void *p = (void *) & pthread_create; return (int) p; } +EOF + oldLIBS="$LIBS" + LIBS="$LIBS -lpthread" + pthread_create_version="\"\"" + AC_MSG_CHECKING(pthread_create symbol version) + if eval $ac_link 2>&5 && test -s conftest${ac_exeext}; then + version=`$NM conftest${ac_exeect} | grep 'pthread_create@@' | sed -e 's/^.*@@//'` + if test "x$version" != "x"; then + pthread_create_version="\"$version\"" + fi + fi + AC_MSG_RESULT($pthread_create_version) + LIBS="$oldLIBS" + fi +fi +AC_DEFINE_UNQUOTED(PTHREAD_CREATE_VERSION, $pthread_create_version, [pthread_create symbol version]) + + +# Figure out whether the compiler supports "-ffunction-sections -fdata-sections", +# similarly to how libstdc++ does it +ac_test_CFLAGS="${CFLAGS+set}" +ac_save_CFLAGS="$CFLAGS" + +# Check for -ffunction-sections -fdata-sections +AC_MSG_CHECKING([for gcc that supports -ffunction-sections -fdata-sections]) +CFLAGS='-Werror -ffunction-sections -fdata-sections' +AC_TRY_COMPILE(, [int foo;], [ac_fdsections=yes], [ac_fdsections=no]) +if test "$ac_test_CFLAGS" = set; then + CFLAGS="$ac_save_CFLAGS" +else + # this is the suspicious part + CFLAGS="" +fi +if test x"$ac_fdsections" = x"yes"; then + SECTION_FLAGS='-ffunction-sections -fdata-sections' +fi +AC_MSG_RESULT($ac_fdsections) +AC_SUBST(SECTION_FLAGS) + + +# Check for the name of the symbol used for the entry point. +AC_CACHE_CHECK([for the name of the symbol used for the entry point], + [mudflap_cv_entry_point], [ +for name in _start __start unknown; do + AC_LINK_IFELSE([AC_LANG_PROGRAM([extern char $name@<:@@:>@;], [$name@<:@0@:>@ = 0;])], + [break]) +done +mudflap_cv_entry_point="$name"]) +if test "$mudflap_cv_entry_point" = unknown; then + AC_MSG_ERROR([none of the known symbol names works]) +fi +AC_DEFINE_UNQUOTED([ENTRY_POINT], [$mudflap_cv_entry_point], + [Define to the name of the symbol used for the entry point.]) + + +if test ${multilib} = yes; then + multilib_arg="--enable-multilib" +else + multilib_arg= +fi + +# See if we support thread-local storage. +GCC_CHECK_TLS + +AC_CONFIG_FILES([Makefile testsuite/Makefile testsuite/mfconfig.exp]) +AC_OUTPUT diff --git a/contrib/gcclibs/libmudflap/libtool-version b/contrib/gcclibs/libmudflap/libtool-version new file mode 100644 index 0000000..204fdd2 --- /dev/null +++ b/contrib/gcclibs/libmudflap/libtool-version @@ -0,0 +1,6 @@ +# This file is used to maintain libtool version info for libmudflap. See +# the libtool manual to understand the meaning of the fields. This is +# a separate file so that version updates don't involve re-running +# automake. +# CURRENT:REVISION:AGE +0:0:0 diff --git a/contrib/gcclibs/libmudflap/mf-heuristics.c b/contrib/gcclibs/libmudflap/mf-heuristics.c new file mode 100644 index 0000000..f5ac6d0 --- /dev/null +++ b/contrib/gcclibs/libmudflap/mf-heuristics.c @@ -0,0 +1,175 @@ +/* Mudflap: narrow-pointer bounds-checking by tree rewriting. + Copyright (C) 2002, 2003 Free Software Foundation, Inc. + Contributed by Frank Ch. Eigler <fche@redhat.com> + and Graydon Hoare <graydon@redhat.com> + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + + +#include "config.h" + +#include <stdio.h> + +#include "mf-runtime.h" +#include "mf-impl.h" + +#ifdef _MUDFLAP +#error "Do not compile this file with -fmudflap!" +#endif + + +extern char _end[]; +extern char ENTRY_POINT[]; + + +/* Run some quick validation of the given region. + Return -1 / 0 / 1 if the access known-invalid, possibly-valid, or known-valid. +*/ +int +__mf_heuristic_check (uintptr_t ptr, uintptr_t ptr_high) +{ + VERBOSE_TRACE ("mf: heuristic check\n"); + + /* XXX: Disable the stack bounding check for libmudflapth. We do + actually have enough information to track stack bounds (see + __mf_pthread_info in mf-hooks.c), so with a bit of future work, + this heuristic can be turned on. */ +#ifndef LIBMUDFLAPTH + + /* The first heuristic is to check stack bounds. This is a + transient condition and quick to check. */ + if (__mf_opts.heur_stack_bound) + { + uintptr_t stack_top_guess = (uintptr_t)__builtin_frame_address(0); +#if defined(__i386__) && defined (__linux__) + uintptr_t stack_segment_base = 0xC0000000; /* XXX: Bad assumption. */ +#else + /* Cause tests to fail. */ + uintptr_t stack_segment_base = 0; +#endif + + VERBOSE_TRACE ("mf: stack estimated as %p-%p\n", + (void *) stack_top_guess, (void *) stack_segment_base); + + if (ptr_high <= stack_segment_base && + ptr >= stack_top_guess && + ptr_high >= ptr) + { + return 1; + } + } +#endif + + + /* The second heuristic is to scan the range of memory regions + listed in /proc/self/maps, a special file provided by the Linux + kernel. Its results may be cached, and in fact, a GUESS object + may as well be recorded for interesting matching sections. */ + if (__mf_opts.heur_proc_map) + { + /* Keep a record of seen records from /proc/self/map. */ + enum { max_entries = 500 }; + struct proc_self_map_entry + { + uintptr_t low; + uintptr_t high; + }; + static struct proc_self_map_entry entry [max_entries]; + static unsigned entry_used [max_entries]; + + /* Look for a known proc_self_map entry that may cover this + region. If one exists, then this heuristic has already run, + and should not be run again. The check should be allowed to + fail. */ + unsigned i; + unsigned deja_vu = 0; + for (i=0; i<max_entries; i++) + { + if (entry_used[i] && + (entry[i].low <= ptr) && + (entry[i].high >= ptr_high)) + deja_vu = 1; + } + + if (! deja_vu) + { + /* Time to run the heuristic. Rescan /proc/self/maps; update the + entry[] array; XXX: remove expired entries, add new ones. + XXX: Consider entries that have grown (e.g., stack). */ + char buf[512]; + char flags[4]; + void *low, *high; + FILE *fp; + + fp = fopen ("/proc/self/maps", "r"); + if (fp) + { + while (fgets (buf, sizeof(buf), fp)) + { + if (sscanf (buf, "%p-%p %4c", &low, &high, flags) == 3) + { + if ((uintptr_t) low <= ptr && + (uintptr_t) high >= ptr_high) + { + for (i=0; i<max_entries; i++) + { + if (! entry_used[i]) + { + entry[i].low = (uintptr_t) low; + entry[i].high = (uintptr_t) high; + entry_used[i] = 1; + break; + } + } + + VERBOSE_TRACE ("mf: registering region #%d " + "%p-%p given %s", + i, (void *) low, (void *) high, buf); + + __mfu_register ((void *) low, (size_t) (high-low), + __MF_TYPE_GUESS, + "/proc/self/maps segment"); + + return 0; /* undecided (tending to cachable) */ + } + } + } + fclose (fp); + } + } + } + + + /* The third heuristic is to approve all accesses between _start (or its + equivalent for the given target) and _end, which should include all + text and initialized data. */ + if (__mf_opts.heur_start_end) + if (ptr >= (uintptr_t) & ENTRY_POINT && ptr_high <= (uintptr_t) & _end) + return 1; /* uncacheable */ + + return 0; /* unknown */ +} diff --git a/contrib/gcclibs/libmudflap/mf-hooks1.c b/contrib/gcclibs/libmudflap/mf-hooks1.c new file mode 100644 index 0000000..bef2268 --- /dev/null +++ b/contrib/gcclibs/libmudflap/mf-hooks1.c @@ -0,0 +1,485 @@ +/* Mudflap: narrow-pointer bounds-checking by tree rewriting. + Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + Contributed by Frank Ch. Eigler <fche@redhat.com> + and Graydon Hoare <graydon@redhat.com> + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + + +#include "config.h" + +#ifndef HAVE_SOCKLEN_T +#define socklen_t int +#endif + + +/* These attempt to coax various unix flavours to declare all our + needed tidbits in the system headers. */ +#if !defined(__FreeBSD__) && !defined(__APPLE__) +#define _POSIX_SOURCE +#endif /* Some BSDs break <sys/socket.h> if this is defined. */ +#define _GNU_SOURCE +#define _XOPEN_SOURCE +#define _BSD_TYPES +#define __EXTENSIONS__ +#define _ALL_SOURCE +#define _LARGE_FILE_API +#define _XOPEN_SOURCE_EXTENDED 1 + +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/time.h> +#include <sys/types.h> +#include <unistd.h> +#include <assert.h> +#include <errno.h> +#include <limits.h> +#include <time.h> + +#include "mf-runtime.h" +#include "mf-impl.h" + +#ifdef _MUDFLAP +#error "Do not compile this file with -fmudflap!" +#endif + + +/* Memory allocation related hook functions. Some of these are + intercepted via linker wrapping or symbol interposition. Others + use plain macros in mf-runtime.h. */ + + +#if PIC +/* A special bootstrap variant. */ +void * +__mf_0fn_malloc (size_t c) +{ + enum foo { BS = 4096, NB=10 }; + static char bufs[NB][BS]; + static unsigned bufs_used[NB]; + unsigned i; + + for (i=0; i<NB; i++) + { + if (! bufs_used[i] && c < BS) + { + bufs_used[i] = 1; + return & bufs[i][0]; + } + } + return NULL; +} +#endif + + +#undef malloc +WRAPPER(void *, malloc, size_t c) +{ + size_t size_with_crumple_zones; + DECLARE(void *, malloc, size_t c); + void *result; + BEGIN_PROTECT (malloc, c); + + size_with_crumple_zones = + CLAMPADD(c,CLAMPADD(__mf_opts.crumple_zone, + __mf_opts.crumple_zone)); + BEGIN_MALLOC_PROTECT (); + result = (char *) CALL_REAL (malloc, size_with_crumple_zones); + END_MALLOC_PROTECT (); + + if (LIKELY(result)) + { + result += __mf_opts.crumple_zone; + __mf_register (result, c, __MF_TYPE_HEAP, "malloc region"); + /* XXX: register __MF_TYPE_NOACCESS for crumple zones. */ + } + + return result; +} + + +#ifdef PIC +/* A special bootstrap variant. */ +void * +__mf_0fn_calloc (size_t c, size_t n) +{ + return __mf_0fn_malloc (c * n); +} +#endif + + +#undef calloc +WRAPPER(void *, calloc, size_t c, size_t n) +{ + size_t size_with_crumple_zones; + DECLARE(void *, calloc, size_t, size_t); + DECLARE(void *, malloc, size_t); + DECLARE(void *, memset, void *, int, size_t); + char *result; + BEGIN_PROTECT (calloc, c, n); + + size_with_crumple_zones = + CLAMPADD((c * n), /* XXX: CLAMPMUL */ + CLAMPADD(__mf_opts.crumple_zone, + __mf_opts.crumple_zone)); + BEGIN_MALLOC_PROTECT (); + result = (char *) CALL_REAL (malloc, size_with_crumple_zones); + END_MALLOC_PROTECT (); + + if (LIKELY(result)) + memset (result, 0, size_with_crumple_zones); + + if (LIKELY(result)) + { + result += __mf_opts.crumple_zone; + __mf_register (result, c*n /* XXX: clamp */, __MF_TYPE_HEAP_I, "calloc region"); + /* XXX: register __MF_TYPE_NOACCESS for crumple zones. */ + } + + return result; +} + + +#if PIC +/* A special bootstrap variant. */ +void * +__mf_0fn_realloc (void *buf, size_t c) +{ + return NULL; +} +#endif + + +#undef realloc +WRAPPER(void *, realloc, void *buf, size_t c) +{ + DECLARE(void * , realloc, void *, size_t); + size_t size_with_crumple_zones; + char *base = buf; + unsigned saved_wipe_heap; + char *result; + BEGIN_PROTECT (realloc, buf, c); + + if (LIKELY(buf)) + base -= __mf_opts.crumple_zone; + + size_with_crumple_zones = + CLAMPADD(c, CLAMPADD(__mf_opts.crumple_zone, + __mf_opts.crumple_zone)); + BEGIN_MALLOC_PROTECT (); + result = (char *) CALL_REAL (realloc, base, size_with_crumple_zones); + END_MALLOC_PROTECT (); + + /* Ensure heap wiping doesn't occur during this peculiar + unregister/reregister pair. */ + LOCKTH (); + __mf_set_state (reentrant); + saved_wipe_heap = __mf_opts.wipe_heap; + __mf_opts.wipe_heap = 0; + + if (LIKELY(buf)) + __mfu_unregister (buf, 0, __MF_TYPE_HEAP_I); + /* NB: underlying region may have been __MF_TYPE_HEAP. */ + + if (LIKELY(result)) + { + result += __mf_opts.crumple_zone; + __mfu_register (result, c, __MF_TYPE_HEAP_I, "realloc region"); + /* XXX: register __MF_TYPE_NOACCESS for crumple zones. */ + } + + /* Restore previous setting. */ + __mf_opts.wipe_heap = saved_wipe_heap; + + __mf_set_state (active); + UNLOCKTH (); + + return result; +} + + +#if PIC +/* A special bootstrap variant. */ +void +__mf_0fn_free (void *buf) +{ + return; +} +#endif + +#undef free +WRAPPER(void, free, void *buf) +{ + /* Use a circular queue to delay some number (__mf_opts.free_queue_length) of free()s. */ + static void *free_queue [__MF_FREEQ_MAX]; + static unsigned free_ptr = 0; + static int freeq_initialized = 0; + DECLARE(void, free, void *); + + BEGIN_PROTECT (free, buf); + + if (UNLIKELY(buf == NULL)) + return; + + LOCKTH (); + if (UNLIKELY(!freeq_initialized)) + { + memset (free_queue, 0, + __MF_FREEQ_MAX * sizeof (void *)); + freeq_initialized = 1; + } + UNLOCKTH (); + + __mf_unregister (buf, 0, __MF_TYPE_HEAP_I); + /* NB: underlying region may have been __MF_TYPE_HEAP. */ + + if (UNLIKELY(__mf_opts.free_queue_length > 0)) + { + char *freeme = NULL; + LOCKTH (); + if (free_queue [free_ptr] != NULL) + { + freeme = free_queue [free_ptr]; + freeme -= __mf_opts.crumple_zone; + } + free_queue [free_ptr] = buf; + free_ptr = (free_ptr == (__mf_opts.free_queue_length-1) ? 0 : free_ptr + 1); + UNLOCKTH (); + if (freeme) + { + if (__mf_opts.trace_mf_calls) + { + VERBOSE_TRACE ("freeing deferred pointer %p (crumple %u)\n", + (void *) freeme, + __mf_opts.crumple_zone); + } + BEGIN_MALLOC_PROTECT (); + CALL_REAL (free, freeme); + END_MALLOC_PROTECT (); + } + } + else + { + /* back pointer up a bit to the beginning of crumple zone */ + char *base = (char *)buf; + base -= __mf_opts.crumple_zone; + if (__mf_opts.trace_mf_calls) + { + VERBOSE_TRACE ("freeing pointer %p = %p - %u\n", + (void *) base, + (void *) buf, + __mf_opts.crumple_zone); + } + BEGIN_MALLOC_PROTECT (); + CALL_REAL (free, base); + END_MALLOC_PROTECT (); + } +} + + +/* We can only wrap mmap if the target supports it. Likewise for munmap. + We assume we have both if we have mmap. */ +#ifdef HAVE_MMAP + +#if PIC +/* A special bootstrap variant. */ +void * +__mf_0fn_mmap (void *start, size_t l, int prot, int f, int fd, off_t off) +{ + return (void *) -1; +} +#endif + + +#undef mmap +WRAPPER(void *, mmap, + void *start, size_t length, int prot, + int flags, int fd, off_t offset) +{ + DECLARE(void *, mmap, void *, size_t, int, + int, int, off_t); + void *result; + BEGIN_PROTECT (mmap, start, length, prot, flags, fd, offset); + + result = CALL_REAL (mmap, start, length, prot, + flags, fd, offset); + + /* + VERBOSE_TRACE ("mmap (%08lx, %08lx, ...) => %08lx\n", + (uintptr_t) start, (uintptr_t) length, + (uintptr_t) result); + */ + + if (result != (void *)-1) + { + /* Register each page as a heap object. Why not register it all + as a single segment? That's so that a later munmap() call + can unmap individual pages. XXX: would __MF_TYPE_GUESS make + this more automatic? */ + size_t ps = getpagesize (); + uintptr_t base = (uintptr_t) result; + uintptr_t offset; + + for (offset=0; offset<length; offset+=ps) + { + /* XXX: We could map PROT_NONE to __MF_TYPE_NOACCESS. */ + /* XXX: Unaccessed HEAP pages are reported as leaks. Is this + appropriate for unaccessed mmap pages? */ + __mf_register ((void *) CLAMPADD (base, offset), ps, + __MF_TYPE_HEAP_I, "mmap page"); + } + } + + return result; +} + + +#if PIC +/* A special bootstrap variant. */ +int +__mf_0fn_munmap (void *start, size_t length) +{ + return -1; +} +#endif + + +#undef munmap +WRAPPER(int , munmap, void *start, size_t length) +{ + DECLARE(int, munmap, void *, size_t); + int result; + BEGIN_PROTECT (munmap, start, length); + + result = CALL_REAL (munmap, start, length); + + /* + VERBOSE_TRACE ("munmap (%08lx, %08lx, ...) => %08lx\n", + (uintptr_t) start, (uintptr_t) length, + (uintptr_t) result); + */ + + if (result == 0) + { + /* Unregister each page as a heap object. */ + size_t ps = getpagesize (); + uintptr_t base = (uintptr_t) start & (~ (ps - 1)); /* page align */ + uintptr_t offset; + + for (offset=0; offset<length; offset+=ps) + __mf_unregister ((void *) CLAMPADD (base, offset), ps, __MF_TYPE_HEAP_I); + } + return result; +} +#endif /* HAVE_MMAP */ + + +/* This wrapper is a little different, as it's called indirectly from + __mf_fini also to clean up pending allocations. */ +void * +__mf_wrap_alloca_indirect (size_t c) +{ + DECLARE (void *, malloc, size_t); + DECLARE (void, free, void *); + + /* This struct, a linked list, tracks alloca'd objects. The newest + object is at the head of the list. If we detect that we've + popped a few levels of stack, then the listed objects are freed + as needed. NB: The tracking struct is allocated with + real_malloc; the user data with wrap_malloc. + */ + struct alloca_tracking { void *ptr; void *stack; struct alloca_tracking* next; }; + static struct alloca_tracking *alloca_history = NULL; + + void *stack = __builtin_frame_address (0); + void *result; + struct alloca_tracking *track; + + TRACE ("%s\n", __PRETTY_FUNCTION__); + VERBOSE_TRACE ("alloca stack level %p\n", (void *) stack); + + /* XXX: thread locking! */ + + /* Free any previously alloca'd blocks that belong to deeper-nested functions, + which must therefore have exited by now. */ + +#define DEEPER_THAN < /* XXX: for x86; steal find_stack_direction() from libiberty/alloca.c */ + + while (alloca_history && + ((uintptr_t) alloca_history->stack DEEPER_THAN (uintptr_t) stack)) + { + struct alloca_tracking *next = alloca_history->next; + __mf_unregister (alloca_history->ptr, 0, __MF_TYPE_HEAP); + BEGIN_MALLOC_PROTECT (); + CALL_REAL (free, alloca_history->ptr); + CALL_REAL (free, alloca_history); + END_MALLOC_PROTECT (); + alloca_history = next; + } + + /* Allocate new block. */ + result = NULL; + if (LIKELY (c > 0)) /* alloca(0) causes no allocation. */ + { + BEGIN_MALLOC_PROTECT (); + track = (struct alloca_tracking *) CALL_REAL (malloc, + sizeof (struct alloca_tracking)); + END_MALLOC_PROTECT (); + if (LIKELY (track != NULL)) + { + BEGIN_MALLOC_PROTECT (); + result = CALL_REAL (malloc, c); + END_MALLOC_PROTECT (); + if (UNLIKELY (result == NULL)) + { + BEGIN_MALLOC_PROTECT (); + CALL_REAL (free, track); + END_MALLOC_PROTECT (); + /* Too bad. XXX: What about errno? */ + } + else + { + __mf_register (result, c, __MF_TYPE_HEAP, "alloca region"); + track->ptr = result; + track->stack = stack; + track->next = alloca_history; + alloca_history = track; + } + } + } + + return result; +} + + +#undef alloca +WRAPPER(void *, alloca, size_t c) +{ + return __mf_wrap_alloca_indirect (c); +} + diff --git a/contrib/gcclibs/libmudflap/mf-hooks2.c b/contrib/gcclibs/libmudflap/mf-hooks2.c new file mode 100644 index 0000000..1da2261 --- /dev/null +++ b/contrib/gcclibs/libmudflap/mf-hooks2.c @@ -0,0 +1,2162 @@ +/* Mudflap: narrow-pointer bounds-checking by tree rewriting. + Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + Contributed by Frank Ch. Eigler <fche@redhat.com> + and Graydon Hoare <graydon@redhat.com> + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + + +#include "config.h" + +#ifndef HAVE_SOCKLEN_T +#define socklen_t int +#endif + +/* These attempt to coax various unix flavours to declare all our + needed tidbits in the system headers. */ +#if !defined(__FreeBSD__) && !defined(__APPLE__) +#define _POSIX_SOURCE +#endif /* Some BSDs break <sys/socket.h> if this is defined. */ +#define _GNU_SOURCE +#define _XOPEN_SOURCE +#define _BSD_TYPES +#define __EXTENSIONS__ +#define _ALL_SOURCE +#define _LARGE_FILE_API +#define _LARGEFILE64_SOURCE +#define _XOPEN_SOURCE_EXTENDED 1 + +#include <string.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/types.h> +#include <unistd.h> +#include <assert.h> +#include <errno.h> +#include <limits.h> +#include <time.h> +#include <ctype.h> +#ifdef HAVE_DLFCN_H +#include <dlfcn.h> +#endif +#ifdef HAVE_DIRENT_H +#include <dirent.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#ifdef HAVE_SYS_WAIT_H +#include <sys/wait.h> +#endif +#ifdef HAVE_SYS_IPC_H +#include <sys/ipc.h> +#endif +#ifdef HAVE_SYS_SEM_H +#include <sys/sem.h> +#endif +#ifdef HAVE_SYS_SHM_H +#include <sys/shm.h> +#endif +#ifdef HAVE_PWD_H +#include <pwd.h> +#endif +#ifdef HAVE_GRP_H +#include <grp.h> +#endif +#ifdef HAVE_MNTENT_H +#include <mntent.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#endif + +#include "mf-runtime.h" +#include "mf-impl.h" + +#ifdef _MUDFLAP +#error "Do not compile this file with -fmudflap!" +#endif + + +/* A bunch of independent stdlib/unistd hook functions, all + intercepted by mf-runtime.h macros. */ + +#ifndef HAVE_STRNLEN +static inline size_t (strnlen) (const char* str, size_t n) +{ + const char *s; + + for (s = str; n && *s; ++s, --n) + ; + return (s - str); +} +#endif + + +/* str*,mem*,b* */ + +WRAPPER2(void *, memcpy, void *dest, const void *src, size_t n) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(src, n, __MF_CHECK_READ, "memcpy source"); + MF_VALIDATE_EXTENT(dest, n, __MF_CHECK_WRITE, "memcpy dest"); + return memcpy (dest, src, n); +} + + +WRAPPER2(void *, memmove, void *dest, const void *src, size_t n) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(src, n, __MF_CHECK_READ, "memmove src"); + MF_VALIDATE_EXTENT(dest, n, __MF_CHECK_WRITE, "memmove dest"); + return memmove (dest, src, n); +} + + +WRAPPER2(void *, memset, void *s, int c, size_t n) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, n, __MF_CHECK_WRITE, "memset dest"); + return memset (s, c, n); +} + + +WRAPPER2(int, memcmp, const void *s1, const void *s2, size_t n) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s1, n, __MF_CHECK_READ, "memcmp 1st arg"); + MF_VALIDATE_EXTENT(s2, n, __MF_CHECK_READ, "memcmp 2nd arg"); + return memcmp (s1, s2, n); +} + + +WRAPPER2(void *, memchr, const void *s, int c, size_t n) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, n, __MF_CHECK_READ, "memchr region"); + return memchr (s, c, n); +} + + +#ifdef HAVE_MEMRCHR +WRAPPER2(void *, memrchr, const void *s, int c, size_t n) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, n, __MF_CHECK_READ, "memrchr region"); + return memrchr (s, c, n); +} +#endif + + +WRAPPER2(char *, strcpy, char *dest, const char *src) +{ + /* nb: just because strlen(src) == n doesn't mean (src + n) or (src + n + + 1) are valid pointers. the allocated object might have size < n. + check anyways. */ + + size_t n = strlen (src); + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(src, CLAMPADD(n, 1), __MF_CHECK_READ, "strcpy src"); + MF_VALIDATE_EXTENT(dest, CLAMPADD(n, 1), __MF_CHECK_WRITE, "strcpy dest"); + return strcpy (dest, src); +} + + +#ifdef HAVE_STRNCPY +WRAPPER2(char *, strncpy, char *dest, const char *src, size_t n) +{ + size_t len = strnlen (src, n); + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(src, len, __MF_CHECK_READ, "strncpy src"); + MF_VALIDATE_EXTENT(dest, len, __MF_CHECK_WRITE, "strncpy dest"); /* nb: strNcpy */ + return strncpy (dest, src, n); +} +#endif + + +WRAPPER2(char *, strcat, char *dest, const char *src) +{ + size_t dest_sz; + size_t src_sz; + TRACE ("%s\n", __PRETTY_FUNCTION__); + dest_sz = strlen (dest); + src_sz = strlen (src); + MF_VALIDATE_EXTENT(src, CLAMPADD(src_sz, 1), __MF_CHECK_READ, "strcat src"); + MF_VALIDATE_EXTENT(dest, CLAMPADD(dest_sz, CLAMPADD(src_sz, 1)), + __MF_CHECK_WRITE, "strcat dest"); + return strcat (dest, src); +} + + +WRAPPER2(char *, strncat, char *dest, const char *src, size_t n) +{ + + /* nb: validating the extents (s,n) might be a mistake for two reasons. + + (1) the string s might be shorter than n chars, and n is just a + poor choice by the programmer. this is not a "true" error in the + sense that the call to strncat would still be ok. + + (2) we could try to compensate for case (1) by calling strlen(s) and + using that as a bound for the extent to verify, but strlen might fall off + the end of a non-terminated string, leading to a false positive. + + so we will call strnlen(s,n) and use that as a bound. + + if strnlen returns a length beyond the end of the registered extent + associated with s, there is an error: the programmer's estimate for n is + too large _AND_ the string s is unterminated, in which case they'd be + about to touch memory they don't own while calling strncat. + + this same logic applies to further uses of strnlen later down in this + file. */ + + size_t src_sz; + size_t dest_sz; + TRACE ("%s\n", __PRETTY_FUNCTION__); + src_sz = strnlen (src, n); + dest_sz = strnlen (dest, n); + MF_VALIDATE_EXTENT(src, src_sz, __MF_CHECK_READ, "strncat src"); + MF_VALIDATE_EXTENT(dest, (CLAMPADD(dest_sz, CLAMPADD(src_sz, 1))), + __MF_CHECK_WRITE, "strncat dest"); + return strncat (dest, src, n); +} + + +WRAPPER2(int, strcmp, const char *s1, const char *s2) +{ + size_t s1_sz; + size_t s2_sz; + TRACE ("%s\n", __PRETTY_FUNCTION__); + s1_sz = strlen (s1); + s2_sz = strlen (s2); + MF_VALIDATE_EXTENT(s1, CLAMPADD(s1_sz, 1), __MF_CHECK_READ, "strcmp 1st arg"); + MF_VALIDATE_EXTENT(s2, CLAMPADD(s2_sz, 1), __MF_CHECK_WRITE, "strcmp 2nd arg"); + return strcmp (s1, s2); +} + + +WRAPPER2(int, strcasecmp, const char *s1, const char *s2) +{ + size_t s1_sz; + size_t s2_sz; + TRACE ("%s\n", __PRETTY_FUNCTION__); + s1_sz = strlen (s1); + s2_sz = strlen (s2); + MF_VALIDATE_EXTENT(s1, CLAMPADD(s1_sz, 1), __MF_CHECK_READ, "strcasecmp 1st arg"); + MF_VALIDATE_EXTENT(s2, CLAMPADD(s2_sz, 1), __MF_CHECK_READ, "strcasecmp 2nd arg"); + return strcasecmp (s1, s2); +} + + +WRAPPER2(int, strncmp, const char *s1, const char *s2, size_t n) +{ + size_t s1_sz; + size_t s2_sz; + TRACE ("%s\n", __PRETTY_FUNCTION__); + s1_sz = strnlen (s1, n); + s2_sz = strnlen (s2, n); + MF_VALIDATE_EXTENT(s1, s1_sz, __MF_CHECK_READ, "strncmp 1st arg"); + MF_VALIDATE_EXTENT(s2, s2_sz, __MF_CHECK_READ, "strncmp 2nd arg"); + return strncmp (s1, s2, n); +} + + +WRAPPER2(int, strncasecmp, const char *s1, const char *s2, size_t n) +{ + size_t s1_sz; + size_t s2_sz; + TRACE ("%s\n", __PRETTY_FUNCTION__); + s1_sz = strnlen (s1, n); + s2_sz = strnlen (s2, n); + MF_VALIDATE_EXTENT(s1, s1_sz, __MF_CHECK_READ, "strncasecmp 1st arg"); + MF_VALIDATE_EXTENT(s2, s2_sz, __MF_CHECK_READ, "strncasecmp 2nd arg"); + return strncasecmp (s1, s2, n); +} + + +WRAPPER2(char *, strdup, const char *s) +{ + DECLARE(void *, malloc, size_t sz); + char *result; + size_t n = strlen (s); + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, CLAMPADD(n,1), __MF_CHECK_READ, "strdup region"); + result = (char *)CALL_REAL(malloc, + CLAMPADD(CLAMPADD(n,1), + CLAMPADD(__mf_opts.crumple_zone, + __mf_opts.crumple_zone))); + + if (UNLIKELY(! result)) return result; + + result += __mf_opts.crumple_zone; + memcpy (result, s, n); + result[n] = '\0'; + + __mf_register (result, CLAMPADD(n,1), __MF_TYPE_HEAP_I, "strdup region"); + return result; +} + + +WRAPPER2(char *, strndup, const char *s, size_t n) +{ + DECLARE(void *, malloc, size_t sz); + char *result; + size_t sz = strnlen (s, n); + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, sz, __MF_CHECK_READ, "strndup region"); /* nb: strNdup */ + + /* note: strndup still adds a \0, even with the N limit! */ + result = (char *)CALL_REAL(malloc, + CLAMPADD(CLAMPADD(n,1), + CLAMPADD(__mf_opts.crumple_zone, + __mf_opts.crumple_zone))); + + if (UNLIKELY(! result)) return result; + + result += __mf_opts.crumple_zone; + memcpy (result, s, n); + result[n] = '\0'; + + __mf_register (result, CLAMPADD(n,1), __MF_TYPE_HEAP_I, "strndup region"); + return result; +} + + +WRAPPER2(char *, strchr, const char *s, int c) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (s); + MF_VALIDATE_EXTENT(s, CLAMPADD(n,1), __MF_CHECK_READ, "strchr region"); + return strchr (s, c); +} + + +WRAPPER2(char *, strrchr, const char *s, int c) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (s); + MF_VALIDATE_EXTENT(s, CLAMPADD(n,1), __MF_CHECK_READ, "strrchr region"); + return strrchr (s, c); +} + + +WRAPPER2(char *, strstr, const char *haystack, const char *needle) +{ + size_t haystack_sz; + size_t needle_sz; + TRACE ("%s\n", __PRETTY_FUNCTION__); + haystack_sz = strlen (haystack); + needle_sz = strlen (needle); + MF_VALIDATE_EXTENT(haystack, CLAMPADD(haystack_sz, 1), __MF_CHECK_READ, "strstr haystack"); + MF_VALIDATE_EXTENT(needle, CLAMPADD(needle_sz, 1), __MF_CHECK_READ, "strstr needle"); + return strstr (haystack, needle); +} + + +#ifdef HAVE_MEMMEM +WRAPPER2(void *, memmem, + const void *haystack, size_t haystacklen, + const void *needle, size_t needlelen) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(haystack, haystacklen, __MF_CHECK_READ, "memmem haystack"); + MF_VALIDATE_EXTENT(needle, needlelen, __MF_CHECK_READ, "memmem needle"); + return memmem (haystack, haystacklen, needle, needlelen); +} +#endif + + +WRAPPER2(size_t, strlen, const char *s) +{ + size_t result = strlen (s); + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, CLAMPADD(result, 1), __MF_CHECK_READ, "strlen region"); + return result; +} + + +WRAPPER2(size_t, strnlen, const char *s, size_t n) +{ + size_t result = strnlen (s, n); + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, result, __MF_CHECK_READ, "strnlen region"); + return result; +} + + +WRAPPER2(void, bzero, void *s, size_t n) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, n, __MF_CHECK_WRITE, "bzero region"); + bzero (s, n); +} + + +#undef bcopy +WRAPPER2(void, bcopy, const void *src, void *dest, size_t n) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(src, n, __MF_CHECK_READ, "bcopy src"); + MF_VALIDATE_EXTENT(dest, n, __MF_CHECK_WRITE, "bcopy dest"); + bcopy (src, dest, n); +} + + +#undef bcmp +WRAPPER2(int, bcmp, const void *s1, const void *s2, size_t n) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s1, n, __MF_CHECK_READ, "bcmp 1st arg"); + MF_VALIDATE_EXTENT(s2, n, __MF_CHECK_READ, "bcmp 2nd arg"); + return bcmp (s1, s2, n); +} + + +WRAPPER2(char *, index, const char *s, int c) +{ + size_t n = strlen (s); + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "index region"); + return index (s, c); +} + + +WRAPPER2(char *, rindex, const char *s, int c) +{ + size_t n = strlen (s); + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "rindex region"); + return rindex (s, c); +} + +/* XXX: stpcpy, memccpy */ + +/* XXX: *printf,*scanf */ + +/* XXX: setjmp, longjmp */ + +WRAPPER2(char *, asctime, struct tm *tm) +{ + static char *reg_result = NULL; + char *result; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(tm, sizeof (struct tm), __MF_CHECK_READ, "asctime tm"); + result = asctime (tm); + if (reg_result == NULL) + { + __mf_register (result, strlen (result)+1, __MF_TYPE_STATIC, "asctime string"); + reg_result = result; + } + return result; +} + + +WRAPPER2(char *, ctime, const time_t *timep) +{ + static char *reg_result = NULL; + char *result; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(timep, sizeof (time_t), __MF_CHECK_READ, "ctime time"); + result = ctime (timep); + if (reg_result == NULL) + { + /* XXX: what if asctime and ctime return the same static ptr? */ + __mf_register (result, strlen (result)+1, __MF_TYPE_STATIC, "ctime string"); + reg_result = result; + } + return result; +} + + +WRAPPER2(struct tm*, localtime, const time_t *timep) +{ + static struct tm *reg_result = NULL; + struct tm *result; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(timep, sizeof (time_t), __MF_CHECK_READ, "localtime time"); + result = localtime (timep); + if (reg_result == NULL) + { + __mf_register (result, sizeof (struct tm), __MF_TYPE_STATIC, "localtime tm"); + reg_result = result; + } + return result; +} + + +WRAPPER2(struct tm*, gmtime, const time_t *timep) +{ + static struct tm *reg_result = NULL; + struct tm *result; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(timep, sizeof (time_t), __MF_CHECK_READ, "gmtime time"); + result = gmtime (timep); + if (reg_result == NULL) + { + __mf_register (result, sizeof (struct tm), __MF_TYPE_STATIC, "gmtime tm"); + reg_result = result; + } + return result; +} + + +/* EL start */ + +/* The following indicate if the result of the corresponding function + * should be explicitly un/registered by the wrapper +*/ + +#ifdef __FreeBSD__ +#define MF_REGISTER_fopen __MF_TYPE_STATIC +#else +#undef MF_REGISTER_fopen +#endif +#define MF_RESULT_SIZE_fopen (sizeof (FILE)) + +#undef MF_REGISTER_opendir +#define MF_RESULT_SIZE_opendir 0 /* (sizeof (DIR)) */ +#undef MF_REGISTER_readdir +#define MF_REGISTER_gethostbyname __MF_TYPE_STATIC +#undef MF_REGISTER_gethostbyname_items +#undef MF_REGISTER_dlopen +#undef MF_REGISTER_dlerror +#undef MF_REGISTER_dlsym +#define MF_REGISTER_shmat __MF_TYPE_GUESS + + +#include <time.h> +WRAPPER2(time_t, time, time_t *timep) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + if (NULL != timep) + MF_VALIDATE_EXTENT (timep, sizeof (*timep), __MF_CHECK_WRITE, + "time timep"); + return time (timep); +} + + +WRAPPER2(char *, strerror, int errnum) +{ + char *p; + static char * last_strerror = NULL; + + TRACE ("%s\n", __PRETTY_FUNCTION__); + p = strerror (errnum); + if (last_strerror != NULL) + __mf_unregister (last_strerror, 0, __MF_TYPE_STATIC); + if (NULL != p) + __mf_register (p, strlen (p) + 1, __MF_TYPE_STATIC, "strerror result"); + last_strerror = p; + return p; +} + + + +/* An auxiliary data structure for tracking the hand-made stdio + buffers we generate during the fopen/fopen64 hooks. In a civilized + language, this would be a simple dynamically sized FILE*->char* + lookup table, but this is C and we get to do it by hand. */ +struct mf_filebuffer +{ + FILE *file; + char *buffer; + struct mf_filebuffer *next; +}; +static struct mf_filebuffer *mf_filebuffers = NULL; + +static void +mkbuffer (FILE *f) +{ + /* Reset any buffer automatically provided by libc, since this may + have been done via mechanisms that libmudflap couldn't + intercept. */ + int rc; + size_t bufsize = BUFSIZ; + int bufmode; + char *buffer = malloc (bufsize); + struct mf_filebuffer *b = malloc (sizeof (struct mf_filebuffer)); + assert ((buffer != NULL) && (b != NULL)); + + /* Link it into list. */ + b->file = f; + b->buffer = buffer; + b->next = mf_filebuffers; + mf_filebuffers = b; + + /* Determine how the file is supposed to be buffered at the moment. */ + bufmode = fileno (f) == 2 ? _IONBF : (isatty (fileno (f)) ? _IOLBF : _IOFBF); + + rc = setvbuf (f, buffer, bufmode, bufsize); + assert (rc == 0); +} + +static void +unmkbuffer (FILE *f) +{ + struct mf_filebuffer *b = mf_filebuffers; + struct mf_filebuffer **pb = & mf_filebuffers; + while (b != NULL) + { + if (b->file == f) + { + *pb = b->next; + free (b->buffer); + free (b); + return; + } + pb = & b->next; + b = b->next; + } +} + + + +WRAPPER2(FILE *, fopen, const char *path, const char *mode) +{ + size_t n; + FILE *p; + TRACE ("%s\n", __PRETTY_FUNCTION__); + + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "fopen path"); + + n = strlen (mode); + MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "fopen mode"); + + p = fopen (path, mode); + if (NULL != p) { +#ifdef MF_REGISTER_fopen + __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "fopen result"); +#endif + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "fopen result"); + + mkbuffer (p); + } + + return p; +} + + +WRAPPER2(int, setvbuf, FILE *stream, char *buf, int mode, size_t size) +{ + int rc = 0; + TRACE ("%s\n", __PRETTY_FUNCTION__); + + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, "setvbuf stream"); + + unmkbuffer (stream); + + if (buf != NULL) + MF_VALIDATE_EXTENT (buf, size, __MF_CHECK_WRITE, "setvbuf buffer"); + + /* Override the user only if it's an auto-allocated buffer request. Otherwise + assume that the supplied buffer is already known to libmudflap. */ + if ((buf == NULL) && ((mode == _IOFBF) || (mode == _IOLBF))) + mkbuffer (stream); + else + rc = setvbuf (stream, buf, mode, size); + + return rc; +} + + +#ifdef HAVE_SETBUF +WRAPPER2(int, setbuf, FILE* stream, char *buf) +{ + return __mfwrap_setvbuf (stream, buf, buf ? _IOFBF : _IONBF, BUFSIZ); +} +#endif + +#ifdef HAVE_SETBUFFER +WRAPPER2(int, setbuffer, FILE* stream, char *buf, size_t sz) +{ + return __mfwrap_setvbuf (stream, buf, buf ? _IOFBF : _IONBF, sz); +} +#endif + +#ifdef HAVE_SETLINEBUF +WRAPPER2(int, setlinebuf, FILE* stream) +{ + return __mfwrap_setvbuf(stream, NULL, _IOLBF, 0); +} +#endif + + + +WRAPPER2(FILE *, fdopen, int fd, const char *mode) +{ + size_t n; + FILE *p; + TRACE ("%s\n", __PRETTY_FUNCTION__); + + n = strlen (mode); + MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "fdopen mode"); + + p = fdopen (fd, mode); + if (NULL != p) { +#ifdef MF_REGISTER_fopen + __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "fdopen result"); +#endif + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "fdopen result"); + + mkbuffer (p); + } + + return p; +} + + +WRAPPER2(FILE *, freopen, const char *path, const char *mode, FILE *s) +{ + size_t n; + FILE *p; + TRACE ("%s\n", __PRETTY_FUNCTION__); + + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "freopen path"); + + MF_VALIDATE_EXTENT (s, (sizeof (*s)), __MF_CHECK_WRITE, "freopen stream"); + unmkbuffer (s); + + n = strlen (mode); + MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "freopen mode"); + + p = freopen (path, mode, s); + if (NULL != p) { +#ifdef MF_REGISTER_fopen + __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "freopen result"); +#endif + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "freopen result"); + + mkbuffer (p); + } + + return p; +} + + +#ifdef HAVE_FOPEN64 +WRAPPER2(FILE *, fopen64, const char *path, const char *mode) +{ + size_t n; + FILE *p; + TRACE ("%s\n", __PRETTY_FUNCTION__); + + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "fopen64 path"); + + n = strlen (mode); + MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "fopen64 mode"); + + p = fopen64 (path, mode); + if (NULL != p) { +#ifdef MF_REGISTER_fopen + __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "fopen64 result"); +#endif + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "fopen64 result"); + + mkbuffer (p); + } + + return p; +} +#endif + + +#ifdef HAVE_FREOPEN64 +WRAPPER2(FILE *, freopen64, const char *path, const char *mode, FILE *s) +{ + size_t n; + FILE *p; + TRACE ("%s\n", __PRETTY_FUNCTION__); + + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "freopen64 path"); + + MF_VALIDATE_EXTENT (s, (sizeof (*s)), __MF_CHECK_WRITE, "freopen64 stream"); + unmkbuffer (s); + + n = strlen (mode); + MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "freopen64 mode"); + + p = freopen (path, mode, s); + if (NULL != p) { +#ifdef MF_REGISTER_fopen + __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "freopen64 result"); +#endif + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "freopen64 result"); + + mkbuffer (p); + } + + return p; +} +#endif + + +WRAPPER2(int, fclose, FILE *stream) +{ + int resp; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fclose stream"); + resp = fclose (stream); +#ifdef MF_REGISTER_fopen + __mf_unregister (stream, sizeof (*stream), MF_REGISTER_fopen); +#endif + unmkbuffer (stream); + + return resp; +} + + +WRAPPER2(size_t, fread, void *ptr, size_t size, size_t nmemb, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fread stream"); + MF_VALIDATE_EXTENT (ptr, size * nmemb, __MF_CHECK_WRITE, "fread buffer"); + return fread (ptr, size, nmemb, stream); +} + + +WRAPPER2(size_t, fwrite, const void *ptr, size_t size, size_t nmemb, + FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fwrite stream"); + MF_VALIDATE_EXTENT (ptr, size * nmemb, __MF_CHECK_READ, "fwrite buffer"); + return fwrite (ptr, size, nmemb, stream); +} + + +WRAPPER2(int, fgetc, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fgetc stream"); + return fgetc (stream); +} + + +WRAPPER2(char *, fgets, char *s, int size, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fgets stream"); + MF_VALIDATE_EXTENT (s, size, __MF_CHECK_WRITE, "fgets buffer"); + return fgets (s, size, stream); +} + + +WRAPPER2(int, getc, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "getc stream"); + return getc (stream); +} + + +WRAPPER2(char *, gets, char *s) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (s, 1, __MF_CHECK_WRITE, "gets buffer"); + /* Avoid link-time warning... */ + s = fgets (s, INT_MAX, stdin); + if (NULL != s) { /* better late than never */ + size_t n = strlen (s); + MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_WRITE, "gets buffer"); + } + return s; +} + + +WRAPPER2(int, ungetc, int c, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "ungetc stream"); + return ungetc (c, stream); +} + + +WRAPPER2(int, fputc, int c, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fputc stream"); + return fputc (c, stream); +} + + +WRAPPER2(int, fputs, const char *s, FILE *stream) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (s); + MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "fputs buffer"); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fputs stream"); + return fputs (s, stream); +} + + +WRAPPER2(int, putc, int c, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "putc stream"); + return putc (c, stream); +} + + +WRAPPER2(int, puts, const char *s) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (s); + MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "puts buffer"); + return puts (s); +} + + +WRAPPER2(void, clearerr, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "clearerr stream"); + clearerr (stream); +} + + +WRAPPER2(int, feof, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "feof stream"); + return feof (stream); +} + + +WRAPPER2(int, ferror, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "ferror stream"); + return ferror (stream); +} + + +WRAPPER2(int, fileno, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fileno stream"); + return fileno (stream); +} + + +WRAPPER2(int, printf, const char *format, ...) +{ + size_t n; + va_list ap; + int result; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (format); + MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ, + "printf format"); + va_start (ap, format); + result = vprintf (format, ap); + va_end (ap); + return result; +} + + +WRAPPER2(int, fprintf, FILE *stream, const char *format, ...) +{ + size_t n; + va_list ap; + int result; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fprintf stream"); + n = strlen (format); + MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ, + "fprintf format"); + va_start (ap, format); + result = vfprintf (stream, format, ap); + va_end (ap); + return result; +} + + +WRAPPER2(int, sprintf, char *str, const char *format, ...) +{ + size_t n; + va_list ap; + int result; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (str, 1, __MF_CHECK_WRITE, "sprintf str"); + n = strlen (format); + MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ, + "sprintf format"); + va_start (ap, format); + result = vsprintf (str, format, ap); + va_end (ap); + n = strlen (str); + MF_VALIDATE_EXTENT (str, CLAMPADD(n, 1), __MF_CHECK_WRITE, "sprintf str"); + return result; +} + + +WRAPPER2(int, snprintf, char *str, size_t size, const char *format, ...) +{ + size_t n; + va_list ap; + int result; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (str, size, __MF_CHECK_WRITE, "snprintf str"); + n = strlen (format); + MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ, + "snprintf format"); + va_start (ap, format); + result = vsnprintf (str, size, format, ap); + va_end (ap); + return result; +} + + +WRAPPER2(int, vprintf, const char *format, va_list ap) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (format); + MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ, + "vprintf format"); + return vprintf (format, ap); +} + + +WRAPPER2(int, vfprintf, FILE *stream, const char *format, va_list ap) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "vfprintf stream"); + n = strlen (format); + MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ, + "vfprintf format"); + return vfprintf (stream, format, ap); +} + + +WRAPPER2(int, vsprintf, char *str, const char *format, va_list ap) +{ + size_t n; + int result; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (str, 1, __MF_CHECK_WRITE, "vsprintf str"); + n = strlen (format); + MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ, + "vsprintf format"); + result = vsprintf (str, format, ap); + n = strlen (str); + MF_VALIDATE_EXTENT (str, CLAMPADD(n, 1), __MF_CHECK_WRITE, "vsprintf str"); + return result; +} + + +WRAPPER2(int, vsnprintf, char *str, size_t size, const char *format, + va_list ap) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (str, size, __MF_CHECK_WRITE, "vsnprintf str"); + n = strlen (format); + MF_VALIDATE_EXTENT (format, CLAMPADD(n, 1), __MF_CHECK_READ, + "vsnprintf format"); + return vsnprintf (str, size, format, ap); +} + + +WRAPPER2(int , access, const char *path, int mode) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "access path"); + return access (path, mode); +} + + +WRAPPER2(int , remove, const char *path) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "remove path"); + return remove (path); +} + + +WRAPPER2(int, fflush, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + if (stream != NULL) + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fflush stream"); + return fflush (stream); +} + + +WRAPPER2(int, fseek, FILE *stream, long offset, int whence) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fseek stream"); + return fseek (stream, offset, whence); +} + + +#ifdef HAVE_FSEEKO64 +WRAPPER2(int, fseeko64, FILE *stream, off64_t offset, int whence) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fseeko64 stream"); + return fseeko64 (stream, offset, whence); +} +#endif + + +WRAPPER2(long, ftell, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "ftell stream"); + return ftell (stream); +} + + +#ifdef HAVE_FTELLO64 +WRAPPER2(off64_t, ftello64, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "ftello64 stream"); + return ftello64 (stream); +} +#endif + + +WRAPPER2(void, rewind, FILE *stream) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "rewind stream"); + rewind (stream); +} + + +WRAPPER2(int, fgetpos, FILE *stream, fpos_t *pos) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fgetpos stream"); + MF_VALIDATE_EXTENT (pos, sizeof (*pos), __MF_CHECK_WRITE, "fgetpos pos"); + return fgetpos (stream, pos); +} + + +WRAPPER2(int, fsetpos, FILE *stream, fpos_t *pos) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "fsetpos stream"); + MF_VALIDATE_EXTENT (pos, sizeof (*pos), __MF_CHECK_READ, "fsetpos pos"); + return fsetpos (stream, pos); +} + + +WRAPPER2(int , stat, const char *path, struct stat *buf) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "stat path"); + MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_READ, "stat buf"); + return stat (path, buf); +} + + +#ifdef HAVE_STAT64 +WRAPPER2(int , stat64, const char *path, struct stat64 *buf) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "stat64 path"); + MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_READ, "stat64 buf"); + return stat64 (path, buf); +} +#endif + + +WRAPPER2(int , fstat, int filedes, struct stat *buf) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_READ, "fstat buf"); + return fstat (filedes, buf); +} + + +WRAPPER2(int , lstat, const char *path, struct stat *buf) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "lstat path"); + MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_READ, "lstat buf"); + return lstat (path, buf); +} + + +WRAPPER2(int , mkfifo, const char *path, mode_t mode) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "mkfifo path"); + return mkfifo (path, mode); +} + + +#ifdef HAVE_DIRENT_H +WRAPPER2(DIR *, opendir, const char *path) +{ + DIR *p; + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "opendir path"); + + p = opendir (path); + if (NULL != p) { +#ifdef MF_REGISTER_opendir + __mf_register (p, MF_RESULT_SIZE_opendir, MF_REGISTER_opendir, + "opendir result"); +#endif + MF_VALIDATE_EXTENT (p, MF_RESULT_SIZE_opendir, __MF_CHECK_WRITE, + "opendir result"); + } + return p; +} + + +WRAPPER2(int, closedir, DIR *dir) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (dir, 0, __MF_CHECK_WRITE, "closedir dir"); +#ifdef MF_REGISTER_opendir + __mf_unregister (dir, MF_RESULT_SIZE_opendir, MF_REGISTER_opendir); +#endif + return closedir (dir); +} + + +WRAPPER2(struct dirent *, readdir, DIR *dir) +{ + struct dirent *p; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (dir, 0, __MF_CHECK_READ, "readdir dir"); + p = readdir (dir); + if (NULL != p) { +#ifdef MF_REGISTER_readdir + __mf_register (p, sizeof (*p), MF_REGISTER_readdir, "readdir result"); +#endif + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "readdir result"); + } + return p; +} +#endif + + +#ifdef HAVE_SYS_SOCKET_H + +WRAPPER2(int, recv, int s, void *buf, size_t len, int flags) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (buf, len, __MF_CHECK_WRITE, "recv buf"); + return recv (s, buf, len, flags); +} + + +WRAPPER2(int, recvfrom, int s, void *buf, size_t len, int flags, + struct sockaddr *from, socklen_t *fromlen) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (buf, len, __MF_CHECK_WRITE, "recvfrom buf"); + MF_VALIDATE_EXTENT (from, (size_t)*fromlen, __MF_CHECK_WRITE, + "recvfrom from"); + return recvfrom (s, buf, len, flags, from, fromlen); +} + + +WRAPPER2(int, recvmsg, int s, struct msghdr *msg, int flags) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (msg, sizeof (*msg), __MF_CHECK_WRITE, "recvmsg msg"); + return recvmsg (s, msg, flags); +} + + +WRAPPER2(int, send, int s, const void *msg, size_t len, int flags) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (msg, len, __MF_CHECK_READ, "send msg"); + return send (s, msg, len, flags); +} + + +WRAPPER2(int, sendto, int s, const void *msg, size_t len, int flags, + const struct sockaddr *to, socklen_t tolen) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (msg, len, __MF_CHECK_READ, "sendto msg"); + MF_VALIDATE_EXTENT (to, (size_t)tolen, __MF_CHECK_WRITE, "sendto to"); + return sendto (s, msg, len, flags, to, tolen); +} + + +WRAPPER2(int, sendmsg, int s, const void *msg, int flags) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (msg, sizeof (*msg), __MF_CHECK_READ, "sendmsg msg"); + return sendmsg (s, msg, flags); +} + + +WRAPPER2(int, setsockopt, int s, int level, int optname, const void *optval, + socklen_t optlen) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (optval, (size_t)optlen, __MF_CHECK_READ, + "setsockopt optval"); + return setsockopt (s, level, optname, optval, optlen); +} + + +WRAPPER2(int, getsockopt, int s, int level, int optname, void *optval, + socklen_t *optlen) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (optval, (size_t)*optlen, __MF_CHECK_WRITE, + "getsockopt optval"); + return getsockopt (s, level, optname, optval, optlen); +} + + +WRAPPER2(int, accept, int s, struct sockaddr *addr, socklen_t *addrlen) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + if (addr != NULL) + MF_VALIDATE_EXTENT (addr, (size_t)*addrlen, __MF_CHECK_WRITE, "accept addr"); + return accept (s, addr, addrlen); +} + + +WRAPPER2(int, bind, int sockfd, struct sockaddr *addr, socklen_t addrlen) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (addr, (size_t)addrlen, __MF_CHECK_WRITE, "bind addr"); + return bind (sockfd, addr, addrlen); +} + + +WRAPPER2(int, connect, int sockfd, const struct sockaddr *addr, + socklen_t addrlen) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (addr, (size_t)addrlen, __MF_CHECK_READ, + "connect addr"); + return connect (sockfd, addr, addrlen); +} + +#endif /* HAVE_SYS_SOCKET_H */ + + +WRAPPER2(int, gethostname, char *name, size_t len) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (name, len, __MF_CHECK_WRITE, "gethostname name"); + return gethostname (name, len); +} + + +#ifdef HAVE_SETHOSTNAME +WRAPPER2(int, sethostname, const char *name, size_t len) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (name, len, __MF_CHECK_READ, "sethostname name"); + return sethostname (name, len); +} +#endif + + +#ifdef HAVE_NETDB_H + +WRAPPER2(struct hostent *, gethostbyname, const char *name) +{ + struct hostent *p; + char **ss; + char *s; + size_t n; + int nreg; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (name); + MF_VALIDATE_EXTENT (name, CLAMPADD(n, 1), __MF_CHECK_READ, + "gethostbyname name"); + p = gethostbyname (name); + if (NULL != p) { +#ifdef MF_REGISTER_gethostbyname + __mf_register (p, sizeof (*p), MF_REGISTER_gethostbyname, + "gethostbyname result"); +#endif + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, + "gethostbyname result"); + if (NULL != (s = p->h_name)) { + n = strlen (s); + n = CLAMPADD(n, 1); +#ifdef MF_REGISTER_gethostbyname_items + __mf_register (s, n, MF_REGISTER_gethostbyname_items, + "gethostbyname result->h_name"); +#endif + MF_VALIDATE_EXTENT (s, n, __MF_CHECK_WRITE, + "gethostbyname result->h_name"); + } + + if (NULL != (ss = p->h_aliases)) { + for (nreg = 1;; ++nreg) { + s = *ss++; + if (NULL == s) + break; + n = strlen (s); + n = CLAMPADD(n, 1); +#ifdef MF_REGISTER_gethostbyname_items + __mf_register (s, n, MF_REGISTER_gethostbyname_items, + "gethostbyname result->h_aliases[]"); +#endif + MF_VALIDATE_EXTENT (s, n, __MF_CHECK_WRITE, + "gethostbyname result->h_aliases[]"); + } + nreg *= sizeof (*p->h_aliases); +#ifdef MF_REGISTER_gethostbyname_items + __mf_register (p->h_aliases, nreg, MF_REGISTER_gethostbyname_items, + "gethostbyname result->h_aliases"); +#endif + MF_VALIDATE_EXTENT (p->h_aliases, nreg, __MF_CHECK_WRITE, + "gethostbyname result->h_aliases"); + } + + if (NULL != (ss = p->h_addr_list)) { + for (nreg = 1;; ++nreg) { + s = *ss++; + if (NULL == s) + break; +#ifdef MF_REGISTER_gethostbyname_items + __mf_register (s, p->h_length, MF_REGISTER_gethostbyname_items, + "gethostbyname result->h_addr_list[]"); +#endif + MF_VALIDATE_EXTENT (s, p->h_length, __MF_CHECK_WRITE, + "gethostbyname result->h_addr_list[]"); + } + nreg *= sizeof (*p->h_addr_list); +#ifdef MF_REGISTER_gethostbyname_items + __mf_register (p->h_addr_list, nreg, MF_REGISTER_gethostbyname_items, + "gethostbyname result->h_addr_list"); +#endif + MF_VALIDATE_EXTENT (p->h_addr_list, nreg, __MF_CHECK_WRITE, + "gethostbyname result->h_addr_list"); + } + } + return p; +} + +#endif /* HAVE_NETDB_H */ + + +#ifdef HAVE_SYS_WAIT_H + +WRAPPER2(pid_t, wait, int *status) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + if (NULL != status) + MF_VALIDATE_EXTENT (status, sizeof (*status), __MF_CHECK_WRITE, + "wait status"); + return wait (status); +} + + +WRAPPER2(pid_t, waitpid, pid_t pid, int *status, int options) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + if (NULL != status) + MF_VALIDATE_EXTENT (status, sizeof (*status), __MF_CHECK_WRITE, + "waitpid status"); + return waitpid (pid, status, options); +} + +#endif /* HAVE_SYS_WAIT_H */ + + +WRAPPER2(FILE *, popen, const char *command, const char *mode) +{ + size_t n; + FILE *p; + TRACE ("%s\n", __PRETTY_FUNCTION__); + + n = strlen (command); + MF_VALIDATE_EXTENT (command, CLAMPADD(n, 1), __MF_CHECK_READ, "popen path"); + + n = strlen (mode); + MF_VALIDATE_EXTENT (mode, CLAMPADD(n, 1), __MF_CHECK_READ, "popen mode"); + + p = popen (command, mode); + if (NULL != p) { +#ifdef MF_REGISTER_fopen + __mf_register (p, sizeof (*p), MF_REGISTER_fopen, "popen result"); +#endif + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_WRITE, "popen result"); + } + return p; +} + + +WRAPPER2(int, pclose, FILE *stream) +{ + int resp; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (stream, sizeof (*stream), __MF_CHECK_WRITE, + "pclose stream"); + resp = pclose (stream); +#ifdef MF_REGISTER_fopen + __mf_unregister (stream, sizeof (*stream), MF_REGISTER_fopen); +#endif + return resp; +} + + +WRAPPER2(int, execve, const char *path, char *const argv [], + char *const envp[]) +{ + size_t n; + char *const *p; + const char *s; + TRACE ("%s\n", __PRETTY_FUNCTION__); + + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "execve path"); + + for (p = argv;;) { + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_READ, "execve *argv"); + s = *p++; + if (NULL == s) + break; + n = strlen (s); + MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "execve **argv"); + } + + for (p = envp;;) { + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_READ, "execve *envp"); + s = *p++; + if (NULL == s) + break; + n = strlen (s); + MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "execve **envp"); + } + return execve (path, argv, envp); +} + + +WRAPPER2(int, execv, const char *path, char *const argv []) +{ + size_t n; + char *const *p; + const char *s; + TRACE ("%s\n", __PRETTY_FUNCTION__); + + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "execv path"); + + for (p = argv;;) { + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_READ, "execv *argv"); + s = *p++; + if (NULL == s) + break; + n = strlen (s); + MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "execv **argv"); + } + return execv (path, argv); +} + + +WRAPPER2(int, execvp, const char *path, char *const argv []) +{ + size_t n; + char *const *p; + const char *s; + TRACE ("%s\n", __PRETTY_FUNCTION__); + + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "execvp path"); + + for (p = argv;;) { + MF_VALIDATE_EXTENT (p, sizeof (*p), __MF_CHECK_READ, "execvp *argv"); + s = *p++; + if (NULL == s) + break; + n = strlen (s); + MF_VALIDATE_EXTENT (s, CLAMPADD(n, 1), __MF_CHECK_READ, "execvp **argv"); + } + return execvp (path, argv); +} + + +WRAPPER2(int, system, const char *string) +{ + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (string); + MF_VALIDATE_EXTENT (string, CLAMPADD(n, 1), __MF_CHECK_READ, + "system string"); + return system (string); +} + + +WRAPPER2(void *, dlopen, const char *path, int flags) +{ + void *p; + size_t n; + TRACE ("%s\n", __PRETTY_FUNCTION__); + n = strlen (path); + MF_VALIDATE_EXTENT (path, CLAMPADD(n, 1), __MF_CHECK_READ, "dlopen path"); + p = dlopen (path, flags); + if (NULL != p) { +#ifdef MF_REGISTER_dlopen + __mf_register (p, 0, MF_REGISTER_dlopen, "dlopen result"); +#endif + MF_VALIDATE_EXTENT (p, 0, __MF_CHECK_WRITE, "dlopen result"); + } + return p; +} + + +WRAPPER2(int, dlclose, void *handle) +{ + int resp; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (handle, 0, __MF_CHECK_READ, "dlclose handle"); + resp = dlclose (handle); +#ifdef MF_REGISTER_dlopen + __mf_unregister (handle, 0, MF_REGISTER_dlopen); +#endif + return resp; +} + + +WRAPPER2(char *, dlerror) +{ + char *p; + TRACE ("%s\n", __PRETTY_FUNCTION__); + p = dlerror (); + if (NULL != p) { + size_t n; + n = strlen (p); + n = CLAMPADD(n, 1); +#ifdef MF_REGISTER_dlerror + __mf_register (p, n, MF_REGISTER_dlerror, "dlerror result"); +#endif + MF_VALIDATE_EXTENT (p, n, __MF_CHECK_WRITE, "dlerror result"); + } + return p; +} + + +WRAPPER2(void *, dlsym, void *handle, char *symbol) +{ + size_t n; + void *p; + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (handle, 0, __MF_CHECK_READ, "dlsym handle"); + n = strlen (symbol); + MF_VALIDATE_EXTENT (symbol, CLAMPADD(n, 1), __MF_CHECK_READ, "dlsym symbol"); + p = dlsym (handle, symbol); + if (NULL != p) { +#ifdef MF_REGISTER_dlsym + __mf_register (p, 0, MF_REGISTER_dlsym, "dlsym result"); +#endif + MF_VALIDATE_EXTENT (p, 0, __MF_CHECK_WRITE, "dlsym result"); + } + return p; +} + + +#if defined (HAVE_SYS_IPC_H) && defined (HAVE_SYS_SEM_H) && defined (HAVE_SYS_SHM_H) + +WRAPPER2(int, semop, int semid, struct sembuf *sops, unsigned nsops) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT (sops, sizeof (*sops) * nsops, __MF_CHECK_READ, + "semop sops"); + return semop (semid, sops, nsops); +} + + +#ifndef HAVE_UNION_SEMUN +union semun { + int val; /* value for SETVAL */ + struct semid_ds *buf; /* buffer for IPC_STAT, IPC_SET */ + unsigned short int *array; /* array for GETALL, SETALL */ + struct seminfo *__buf; /* buffer for IPC_INFO */ +}; +#endif +WRAPPER2(int, semctl, int semid, int semnum, int cmd, union semun arg) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + switch (cmd) { + case IPC_STAT: + MF_VALIDATE_EXTENT (arg.buf, sizeof (*arg.buf), __MF_CHECK_WRITE, + "semctl buf"); + break; + case IPC_SET: + MF_VALIDATE_EXTENT (arg.buf, sizeof (*arg.buf), __MF_CHECK_READ, + "semctl buf"); + break; + case GETALL: + MF_VALIDATE_EXTENT (arg.array, sizeof (*arg.array), __MF_CHECK_WRITE, + "semctl array"); + case SETALL: + MF_VALIDATE_EXTENT (arg.array, sizeof (*arg.array), __MF_CHECK_READ, + "semctl array"); + break; +#ifdef IPC_INFO + /* FreeBSD 5.1 And Cygwin headers include IPC_INFO but not the __buf field. */ +#if !defined(__FreeBSD__) && !defined(__CYGWIN__) + case IPC_INFO: + MF_VALIDATE_EXTENT (arg.__buf, sizeof (*arg.__buf), __MF_CHECK_WRITE, + "semctl __buf"); + break; +#endif +#endif + default: + break; + } + return semctl (semid, semnum, cmd, arg); +} + + +WRAPPER2(int, shmctl, int shmid, int cmd, struct shmid_ds *buf) +{ + TRACE ("%s\n", __PRETTY_FUNCTION__); + switch (cmd) { + case IPC_STAT: + MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_WRITE, + "shmctl buf"); + break; + case IPC_SET: + MF_VALIDATE_EXTENT (buf, sizeof (*buf), __MF_CHECK_READ, + "shmctl buf"); + break; + default: + break; + } + return shmctl (shmid, cmd, buf); +} + + +WRAPPER2(void *, shmat, int shmid, const void *shmaddr, int shmflg) +{ + void *p; + TRACE ("%s\n", __PRETTY_FUNCTION__); + p = shmat (shmid, shmaddr, shmflg); +#ifdef MF_REGISTER_shmat + if (NULL != p) { + struct shmid_ds buf; + __mf_register (p, shmctl (shmid, IPC_STAT, &buf) ? 0 : buf.shm_segsz, + MF_REGISTER_shmat, "shmat result"); + } +#endif + return p; +} + + +WRAPPER2(int, shmdt, const void *shmaddr) +{ + int resp; + TRACE ("%s\n", __PRETTY_FUNCTION__); + resp = shmdt (shmaddr); +#ifdef MF_REGISTER_shmat + __mf_unregister ((void *)shmaddr, 0, MF_REGISTER_shmat); +#endif + return resp; +} + + +#endif /* HAVE_SYS_IPC/SEM/SHM_H */ + + + +/* ctype stuff. This is host-specific by necessity, as the arrays + that is used by most is*()/to*() macros are implementation-defined. */ + +/* GLIBC 2.3 */ +#ifdef HAVE___CTYPE_B_LOC +WRAPPER2(unsigned short **, __ctype_b_loc, void) +{ + static unsigned short * last_buf = (void *) 0; + static unsigned short ** last_ptr = (void *) 0; + unsigned short ** ptr = (unsigned short **) __ctype_b_loc (); + unsigned short * buf = * ptr; + if (ptr != last_ptr) + { + /* XXX: unregister last_ptr? */ + last_ptr = ptr; + __mf_register (last_ptr, sizeof(last_ptr), __MF_TYPE_STATIC, "ctype_b_loc **"); + } + if (buf != last_buf) + { + last_buf = buf; + __mf_register ((void *) (last_buf - 128), 384 * sizeof(unsigned short), __MF_TYPE_STATIC, + "ctype_b_loc []"); + } + return ptr; +} +#endif + +#ifdef HAVE___CTYPE_TOUPPER_LOC +WRAPPER2(int **, __ctype_toupper_loc, void) +{ + static int * last_buf = (void *) 0; + static int ** last_ptr = (void *) 0; + int ** ptr = (int **) __ctype_toupper_loc (); + int * buf = * ptr; + if (ptr != last_ptr) + { + /* XXX: unregister last_ptr? */ + last_ptr = ptr; + __mf_register (last_ptr, sizeof(last_ptr), __MF_TYPE_STATIC, "ctype_toupper_loc **"); + } + if (buf != last_buf) + { + last_buf = buf; + __mf_register ((void *) (last_buf - 128), 384 * sizeof(int), __MF_TYPE_STATIC, + "ctype_toupper_loc []"); + } + return ptr; +} +#endif + +#ifdef HAVE___CTYPE_TOLOWER_LOC +WRAPPER2(int **, __ctype_tolower_loc, void) +{ + static int * last_buf = (void *) 0; + static int ** last_ptr = (void *) 0; + int ** ptr = (int **) __ctype_tolower_loc (); + int * buf = * ptr; + if (ptr != last_ptr) + { + /* XXX: unregister last_ptr? */ + last_ptr = ptr; + __mf_register (last_ptr, sizeof(last_ptr), __MF_TYPE_STATIC, "ctype_tolower_loc **"); + } + if (buf != last_buf) + { + last_buf = buf; + __mf_register ((void *) (last_buf - 128), 384 * sizeof(int), __MF_TYPE_STATIC, + "ctype_tolower_loc []"); + } + return ptr; +} +#endif + + +/* passwd/group related functions. These register every (static) pointer value returned, + and rely on libmudflap's quiet toleration of duplicate static registrations. */ + +#ifdef HAVE_GETLOGIN +WRAPPER2(char *, getlogin, void) +{ + char *buf = getlogin (); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, + "getlogin() return"); + return buf; +} +#endif + + +#ifdef HAVE_CUSERID +WRAPPER2(char *, cuserid, char * buf) +{ + if (buf != NULL) + { + MF_VALIDATE_EXTENT(buf, L_cuserid, __MF_CHECK_WRITE, + "cuserid destination"); + return cuserid (buf); + } + buf = cuserid (NULL); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, + "getcuserid() return"); + return buf; +} +#endif + + +#ifdef HAVE_GETPWNAM +WRAPPER2(struct passwd *, getpwnam, const char *name) +{ + struct passwd *buf; + MF_VALIDATE_EXTENT(name, strlen(name)+1, __MF_CHECK_READ, + "getpwnam name"); + buf = getpwnam (name); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, + "getpw*() return"); + return buf; +} +#endif + + +#ifdef HAVE_GETPWUID +WRAPPER2(struct passwd *, getpwuid, uid_t uid) +{ + struct passwd *buf; + buf = getpwuid (uid); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, + "getpw*() return"); + return buf; +} +#endif + + +#ifdef HAVE_GETGRNAM +WRAPPER2(struct group *, getgrnam, const char *name) +{ + struct group *buf; + MF_VALIDATE_EXTENT(name, strlen(name)+1, __MF_CHECK_READ, + "getgrnam name"); + buf = getgrnam (name); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, + "getgr*() return"); + return buf; +} +#endif + + +#ifdef HAVE_GETGRGID +WRAPPER2(struct group *, getgrgid, uid_t uid) +{ + struct group *buf; + buf = getgrgid (uid); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, + "getgr*() return"); + return buf; +} +#endif + + +#ifdef HAVE_GETSERVENT +WRAPPER2(struct servent *, getservent, void) +{ + struct servent *buf; + buf = getservent (); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, + "getserv*() return"); + return buf; +} +#endif + + +#ifdef HAVE_GETSERVBYNAME +WRAPPER2(struct servent *, getservbyname, const char *name, const char *proto) +{ + struct servent *buf; + MF_VALIDATE_EXTENT(name, strlen(name)+1, __MF_CHECK_READ, + "getservbyname name"); + MF_VALIDATE_EXTENT(proto, strlen(proto)+1, __MF_CHECK_READ, + "getservbyname proto"); + buf = getservbyname (name, proto); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, + "getserv*() return"); + return buf; +} +#endif + + +#ifdef HAVE_GETSERVBYPORT +WRAPPER2(struct servent *, getservbyport, int port, const char *proto) +{ + struct servent *buf; + MF_VALIDATE_EXTENT(proto, strlen(proto)+1, __MF_CHECK_READ, + "getservbyport proto"); + buf = getservbyport (port, proto); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, + "getserv*() return"); + return buf; +} +#endif + + +#ifdef HAVE_GAI_STRERROR +WRAPPER2(const char *, gai_strerror, int errcode) +{ + const char *buf; + buf = gai_strerror (errcode); + if (buf != NULL) + __mf_register ((void *) buf, strlen(buf)+1, __MF_TYPE_STATIC, + "gai_strerror() return"); + return buf; +} +#endif + + +#ifdef HAVE_GETMNTENT +WRAPPER2(struct mntent *, getmntent, FILE *filep) +{ + struct mntent *m; + static struct mntent *last = NULL; + + MF_VALIDATE_EXTENT (filep, sizeof (*filep), __MF_CHECK_WRITE, + "getmntent stream"); +#define UR(field) __mf_unregister(last->field, strlen (last->field)+1, __MF_TYPE_STATIC) + if (last) + { + UR (mnt_fsname); + UR (mnt_dir); + UR (mnt_type); + UR (mnt_opts); + __mf_unregister (last, sizeof (*last), __MF_TYPE_STATIC); + } +#undef UR + + m = getmntent (filep); + last = m; + +#define R(field) __mf_register(last->field, strlen (last->field)+1, __MF_TYPE_STATIC, "mntent " #field) + if (m) + { + R (mnt_fsname); + R (mnt_dir); + R (mnt_type); + R (mnt_opts); + __mf_register (last, sizeof (*last), __MF_TYPE_STATIC, "getmntent result"); + } +#undef R + + return m; +} +#endif + + +#ifdef HAVE_INET_NTOA +WRAPPER2(char *, inet_ntoa, struct in_addr in) +{ + static char *last_buf = NULL; + char *buf; + if (last_buf) + __mf_unregister (last_buf, strlen (last_buf)+1, __MF_TYPE_STATIC); + buf = inet_ntoa (in); + last_buf = buf; + if (buf) + __mf_register (last_buf, strlen (last_buf)+1, __MF_TYPE_STATIC, "inet_ntoa result"); + return buf; +} +#endif + + +#ifdef HAVE_GETPROTOENT +WRAPPER2(struct protoent *, getprotoent, void) +{ + struct protoent *buf; + buf = getprotoent (); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, "getproto*() return"); + return buf; +} +#endif + + +#ifdef HAVE_GETPROTOBYNAME +WRAPPER2(struct protoent *, getprotobyname, const char *name) +{ + struct protoent *buf; + MF_VALIDATE_EXTENT(name, strlen(name)+1, __MF_CHECK_READ, + "getprotobyname name"); + buf = getprotobyname (name); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, + "getproto*() return"); + return buf; +} +#endif + + +#ifdef HAVE_GETPROTOBYNUMBER +WRAPPER2(struct protoent *, getprotobynumber, int port) +{ + struct protoent *buf; + buf = getprotobynumber (port); + if (buf != NULL) + __mf_register (buf, sizeof(*buf), __MF_TYPE_STATIC, + "getproto*() return"); + return buf; +} +#endif diff --git a/contrib/gcclibs/libmudflap/mf-hooks3.c b/contrib/gcclibs/libmudflap/mf-hooks3.c new file mode 100644 index 0000000..dec4cd6 --- /dev/null +++ b/contrib/gcclibs/libmudflap/mf-hooks3.c @@ -0,0 +1,288 @@ +/* Mudflap: narrow-pointer bounds-checking by tree rewriting. + Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + Contributed by Frank Ch. Eigler <fche@redhat.com> + and Graydon Hoare <graydon@redhat.com> + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + + +#include "config.h" + +#ifndef HAVE_SOCKLEN_T +#define socklen_t int +#endif + +/* These attempt to coax various unix flavours to declare all our + needed tidbits in the system headers. */ +#if !defined(__FreeBSD__) && !defined(__APPLE__) +#define _POSIX_SOURCE +#endif /* Some BSDs break <sys/socket.h> if this is defined. */ +#define _GNU_SOURCE +#define _XOPEN_SOURCE +#define _BSD_TYPES +#define __EXTENSIONS__ +#define _ALL_SOURCE +#define _LARGE_FILE_API +#define _XOPEN_SOURCE_EXTENDED 1 + +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <assert.h> +#include <errno.h> +#include <stdbool.h> + +#include "mf-runtime.h" +#include "mf-impl.h" + +#ifdef _MUDFLAP +#error "Do not compile this file with -fmudflap!" +#endif + +#ifndef LIBMUDFLAPTH +#error "pthreadstuff is to be included only in libmudflapth" +#endif + +/* ??? Why isn't this done once in the header files. */ +DECLARE(void *, malloc, size_t sz); +DECLARE(void, free, void *ptr); +DECLARE(int, pthread_create, pthread_t *thr, const pthread_attr_t *attr, + void * (*start) (void *), void *arg); + + +/* Multithreading support hooks. */ + + +#ifndef HAVE_TLS +/* We don't have TLS. Ordinarily we could use pthread keys, but since we're + commandeering malloc/free that presents a few problems. The first is that + we'll recurse from __mf_get_state to pthread_setspecific to malloc back to + __mf_get_state during thread startup. This can be solved with clever uses + of a mutex. The second problem is that thread shutdown is indistinguishable + from thread startup, since libpthread is deallocating our state variable. + I've no good solution for this. + + Which leaves us to handle this mess by totally by hand. */ + +/* Yes, we want this prime. If pthread_t is a pointer, it's almost always + page aligned, and if we use a smaller power of 2, this results in "%N" + being the worst possible hash -- all threads hash to zero. */ +#define LIBMUDFLAPTH_THREADS_MAX 1021 + +struct mf_thread_data +{ + pthread_t self; + unsigned char used_p; + unsigned char state; +}; + +static struct mf_thread_data mf_thread_data[LIBMUDFLAPTH_THREADS_MAX]; +static pthread_mutex_t mf_thread_data_lock = PTHREAD_MUTEX_INITIALIZER; + +#define PTHREAD_HASH(p) ((unsigned long) (p) % LIBMUDFLAPTH_THREADS_MAX) + +static struct mf_thread_data * +__mf_find_threadinfo (int alloc) +{ + pthread_t self = pthread_self (); + unsigned long hash = PTHREAD_HASH (self); + unsigned long rehash; + +#ifdef __alpha__ + /* Alpha has the loosest memory ordering rules of all. We need a memory + barrier to flush the reorder buffer before considering a *read* of a + shared variable. Since we're not always taking a lock, we have to do + this by hand. */ + __sync_synchronize (); +#endif + + rehash = hash; + while (1) + { + if (mf_thread_data[rehash].used_p && mf_thread_data[rehash].self == self) + return &mf_thread_data[rehash]; + + rehash += 7; + if (rehash >= LIBMUDFLAPTH_THREADS_MAX) + rehash -= LIBMUDFLAPTH_THREADS_MAX; + if (rehash == hash) + break; + } + + if (alloc) + { + pthread_mutex_lock (&mf_thread_data_lock); + + rehash = hash; + while (1) + { + if (!mf_thread_data[rehash].used_p) + { + mf_thread_data[rehash].self = self; + __sync_synchronize (); + mf_thread_data[rehash].used_p = 1; + + pthread_mutex_unlock (&mf_thread_data_lock); + return &mf_thread_data[rehash]; + } + + rehash += 7; + if (rehash >= LIBMUDFLAPTH_THREADS_MAX) + rehash -= LIBMUDFLAPTH_THREADS_MAX; + if (rehash == hash) + break; + } + + pthread_mutex_unlock (&mf_thread_data_lock); + } + + return NULL; +} + +enum __mf_state_enum +__mf_get_state (void) +{ + struct mf_thread_data *data = __mf_find_threadinfo (0); + if (data) + return data->state; + + /* If we've never seen this thread before, consider it to be in the + reentrant state. The state gets reset to active for the main thread + in __mf_init, and for child threads in __mf_pthread_spawner. + + The trickiest bit here is that the LinuxThreads pthread_manager thread + should *always* be considered to be reentrant, so that none of our + hooks actually do anything. Why? Because that thread isn't a real + thread from the point of view of the thread library, and so lots of + stuff isn't initialized, leading to SEGV very quickly. Even calling + pthread_self is a bit suspect, but it happens to work. */ + + return reentrant; +} + +void +__mf_set_state (enum __mf_state_enum new_state) +{ + struct mf_thread_data *data = __mf_find_threadinfo (1); + data->state = new_state; +} +#endif + +/* The following two functions are used only with __mf_opts.heur_std_data. + We're interested in recording the location of the thread-local errno + variable. + + Note that this doesn't handle TLS references in general; we have no + visibility into __tls_get_data for when that memory is allocated at + runtime. Hopefully we get to see the malloc or mmap operation that + eventually allocates the backing store. */ + +/* Describe the startup information for a new user thread. */ +struct mf_thread_start_info +{ + /* The user's thread entry point and argument. */ + void * (*user_fn)(void *); + void *user_arg; +}; + + +static void +__mf_pthread_cleanup (void *arg) +{ + if (__mf_opts.heur_std_data) + __mf_unregister (&errno, sizeof (errno), __MF_TYPE_GUESS); + +#ifndef HAVE_TLS + struct mf_thread_data *data = __mf_find_threadinfo (0); + if (data) + data->used_p = 0; +#endif +} + + +static void * +__mf_pthread_spawner (void *arg) +{ + void *result = NULL; + + __mf_set_state (active); + + /* NB: We could use __MF_TYPE_STATIC here, but we guess that the thread + errno is coming out of some dynamically allocated pool that we already + know of as __MF_TYPE_HEAP. */ + if (__mf_opts.heur_std_data) + __mf_register (&errno, sizeof (errno), __MF_TYPE_GUESS, + "errno area (thread)"); + + /* We considered using pthread_key_t objects instead of these + cleanup stacks, but they were less cooperative with the + interposed malloc hooks in libmudflap. */ + /* ??? The pthread_key_t problem is solved above... */ + pthread_cleanup_push (__mf_pthread_cleanup, NULL); + + /* Extract given entry point and argument. */ + struct mf_thread_start_info *psi = arg; + void * (*user_fn)(void *) = psi->user_fn; + void *user_arg = psi->user_arg; + CALL_REAL (free, arg); + + result = (*user_fn)(user_arg); + + pthread_cleanup_pop (1 /* execute */); + + return result; +} + + +#if PIC +/* A special bootstrap variant. */ +int +__mf_0fn_pthread_create (pthread_t *thr, const pthread_attr_t *attr, + void * (*start) (void *), void *arg) +{ + return -1; +} +#endif + + +#undef pthread_create +WRAPPER(int, pthread_create, pthread_t *thr, const pthread_attr_t *attr, + void * (*start) (void *), void *arg) +{ + struct mf_thread_start_info *si; + + TRACE ("pthread_create\n"); + + /* Fill in startup-control fields. */ + si = CALL_REAL (malloc, sizeof (*si)); + si->user_fn = start; + si->user_arg = arg; + + /* Actually create the thread. */ + return CALL_REAL (pthread_create, thr, attr, __mf_pthread_spawner, si); +} diff --git a/contrib/gcclibs/libmudflap/mf-impl.h b/contrib/gcclibs/libmudflap/mf-impl.h new file mode 100644 index 0000000..e61f4b7 --- /dev/null +++ b/contrib/gcclibs/libmudflap/mf-impl.h @@ -0,0 +1,416 @@ +/* Implementation header for mudflap runtime library. + Mudflap: narrow-pointer bounds-checking by tree rewriting. + Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + Contributed by Frank Ch. Eigler <fche@redhat.com> + and Graydon Hoare <graydon@redhat.com> + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +#ifndef __MF_IMPL_H +#define __MF_IMPL_H + +#ifdef _MUDFLAP +#error "Do not compile this file with -fmudflap!" +#endif + +#if HAVE_PTHREAD_H +#include <pthread.h> +#elif LIBMUDFLAPTH +#error "Cannot build libmudflapth without pthread.h." +#endif + +#if HAVE_STDINT_H +#include <stdint.h> +#else +typedef __mf_uintptr_t uintptr_t; +#endif + +/* Private definitions related to mf-runtime.h */ + +#define __MF_TYPE_MAX_CEM __MF_TYPE_STACK /* largest type# for the cemetary */ +#define __MF_TYPE_MAX __MF_TYPE_GUESS + + +#ifndef max +#define max(a,b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef min +#define min(a,b) ((a) < (b) ? (a) : (b)) +#endif + +/* Address calculation macros. */ + +#define MINPTR ((uintptr_t) 0) +#define MAXPTR (~ (uintptr_t) 0) + +/* Clamp the addition/subtraction of uintptr_t's to [MINPTR,MAXPTR] */ +#define CLAMPSUB(ptr,offset) (((uintptr_t) ptr) >= (offset) ? ((uintptr_t) ptr)-((uintptr_t) offset) : MINPTR) +#define CLAMPADD(ptr,offset) (((uintptr_t) ptr) <= MAXPTR-(offset) ? ((uintptr_t) ptr)+((uintptr_t) offset) : MAXPTR) +#define CLAMPSZ(ptr,size) ((size) ? (((uintptr_t) ptr) <= MAXPTR-(size)+1 ? ((uintptr_t) ptr)+((uintptr_t) size) - 1 : MAXPTR) : ((uintptr_t) ptr)) + +#define __MF_CACHE_INDEX(ptr) ((((uintptr_t) (ptr)) >> __mf_lc_shift) & __mf_lc_mask) +#define __MF_CACHE_MISS_P(ptr,sz) ({ \ + struct __mf_cache *elem = & __mf_lookup_cache[__MF_CACHE_INDEX((ptr))]; \ + ((elem->low > (uintptr_t) (ptr)) || \ + (elem->high < (CLAMPADD((uintptr_t) (ptr), (uintptr_t) CLAMPSUB(sz,1) )))); }) +/* XXX: the above should use CLAMPSZ () */ + + + +/* Private functions. */ + +extern void __mf_violation (void *ptr, size_t sz, + uintptr_t pc, const char *location, + int type); +extern size_t __mf_backtrace (char ***, void *, unsigned); +extern int __mf_heuristic_check (uintptr_t, uintptr_t); + +/* ------------------------------------------------------------------------ */ +/* Type definitions. */ +/* ------------------------------------------------------------------------ */ + +/* The mf_state type codes describe recursion and initialization order. + + reentrant means we are inside a mf-runtime support routine, such as + __mf_register, and thus there should be no calls to any wrapped functions, + such as the wrapped malloc. This indicates a bug if it occurs. + in_malloc means we are inside a real malloc call inside a wrapped malloc + call, and thus there should be no calls to any wrapped functions like the + wrapped mmap. This happens on some systems due to how the system libraries + are constructed. */ + +enum __mf_state_enum { active, reentrant, in_malloc }; + +/* The __mf_options structure records optional or tunable aspects of the + mudflap library's behavior. There is a single global instance of this + structure which is populated from user input (in an environment variable) + when the library initializes. */ + +struct __mf_options +{ + /* Emit a trace message for each call. */ + unsigned trace_mf_calls; + + /* Collect and emit statistics. */ + unsigned collect_stats; + + /* Set up a SIGUSR1 -> __mf_report handler. */ + unsigned sigusr1_report; + + /* Execute internal checking code. */ + unsigned internal_checking; + + /* Age object liveness periodically. */ + unsigned tree_aging; + + /* Adapt the lookup cache to working set. */ + unsigned adapt_cache; + + /* Print list of leaked heap objects on shutdown. */ + unsigned print_leaks; + + /* Detect reads of uninitialized objects. */ + unsigned check_initialization; + + /* Print verbose description of violations. */ + unsigned verbose_violations; + + /* Abbreviate duplicate object descriptions. */ + unsigned abbreviate; + + /* Emit internal tracing message. */ + unsigned verbose_trace; + + /* Wipe stack/heap objects upon unwind. */ + unsigned wipe_stack; + unsigned wipe_heap; + + /* Maintain a queue of this many deferred free()s, + to trap use of freed memory. */ + unsigned free_queue_length; + + /* Maintain a history of this many past unregistered objects. */ + unsigned persistent_count; + + /* Pad allocated extents by this many bytes on either side. */ + unsigned crumple_zone; + + /* Maintain this many stack frames for contexts. */ + unsigned backtrace; + + /* Ignore read operations even if mode_check is in effect. */ + unsigned ignore_reads; + + /* Collect register/unregister timestamps. */ + unsigned timestamps; + +#ifdef LIBMUDFLAPTH + /* Thread stack size. */ + unsigned thread_stack; +#endif + + /* Major operation mode */ +#define mode_nop 0 /* Do nothing. */ +#define mode_populate 1 /* Populate tree but do not check for violations. */ +#define mode_check 2 /* Populate and check for violations (normal). */ +#define mode_violate 3 /* Trigger a violation on every call (diagnostic). */ + unsigned mudflap_mode; + + /* How to handle a violation. */ +#define viol_nop 0 /* Return control to application. */ +#define viol_segv 1 /* Signal self with segv. */ +#define viol_abort 2 /* Call abort (). */ +#define viol_gdb 3 /* Fork a debugger on self */ + unsigned violation_mode; + + /* Violation heuristics selection. */ + unsigned heur_stack_bound; /* allow current stack region */ + unsigned heur_proc_map; /* allow & cache /proc/self/map regions. */ + unsigned heur_start_end; /* allow _start .. _end */ + unsigned heur_std_data; /* allow & cache stdlib data */ +}; + + +#ifdef PIC + +/* This is a table of dynamically resolved function pointers. */ + +struct __mf_dynamic_entry +{ + void *pointer; + char *name; + char *version; +}; + +/* The definition of the array (mf-runtime.c) must match the enums! */ +extern struct __mf_dynamic_entry __mf_dynamic[]; +enum __mf_dynamic_index +{ + dyn_calloc, dyn_free, dyn_malloc, dyn_mmap, + dyn_munmap, dyn_realloc, + dyn_INITRESOLVE, /* Marker for last init-time resolution. */ +#ifdef LIBMUDFLAPTH + dyn_pthread_create +#endif +}; + +#endif /* PIC */ + +/* ------------------------------------------------------------------------ */ +/* Private global variables. */ +/* ------------------------------------------------------------------------ */ + +#ifdef LIBMUDFLAPTH +extern pthread_mutex_t __mf_biglock; +#define LOCKTH() do { extern unsigned long __mf_lock_contention; \ + int rc = pthread_mutex_trylock (& __mf_biglock); \ + if (rc) { __mf_lock_contention ++; \ + rc = pthread_mutex_lock (& __mf_biglock); } \ + assert (rc==0); } while (0) +#define UNLOCKTH() do { int rc = pthread_mutex_unlock (& __mf_biglock); \ + assert (rc==0); } while (0) +#else +#define LOCKTH() do {} while (0) +#define UNLOCKTH() do {} while (0) +#endif + +#if defined(LIBMUDFLAPTH) && !defined(HAVE_TLS) +extern enum __mf_state_enum __mf_get_state (void); +extern void __mf_set_state (enum __mf_state_enum); +#else +# ifdef LIBMUDFLAPTH +extern __thread enum __mf_state_enum __mf_state_1; +# else +extern enum __mf_state_enum __mf_state_1; +# endif +static inline enum __mf_state_enum __mf_get_state (void) +{ + return __mf_state_1; +} +static inline void __mf_set_state (enum __mf_state_enum s) +{ + __mf_state_1 = s; +} +#endif + +extern int __mf_starting_p; +extern struct __mf_options __mf_opts; + +/* ------------------------------------------------------------------------ */ +/* Utility macros. */ +/* ------------------------------------------------------------------------ */ + +#define UNLIKELY(e) (__builtin_expect (!!(e), 0)) +#define LIKELY(e) (__builtin_expect (!!(e), 1)) +#define STRINGIFY2(e) #e +#define STRINGIFY(e) STRINGIFY2(e) + +#ifdef LIBMUDFLAPTH +#define VERBOSE_TRACE(...) \ + do { if (UNLIKELY (__mf_opts.verbose_trace)) { \ + fprintf (stderr, "mf(%u): ", (unsigned) pthread_self ()); \ + fprintf (stderr, __VA_ARGS__); \ + } } while (0) +#define TRACE(...) \ + do { if (UNLIKELY (__mf_opts.trace_mf_calls)) { \ + fprintf (stderr, "mf(%u): ", (unsigned) pthread_self ()); \ + fprintf (stderr, __VA_ARGS__); \ + } } while (0) +#else +#define VERBOSE_TRACE(...) \ + do { if (UNLIKELY (__mf_opts.verbose_trace)) { \ + fprintf (stderr, "mf: "); \ + fprintf (stderr, __VA_ARGS__); \ + } } while (0) +#define TRACE(...) \ + do { if (UNLIKELY (__mf_opts.trace_mf_calls)) { \ + fprintf (stderr, "mf: "); \ + fprintf (stderr, __VA_ARGS__); \ + } } while (0) +#endif + + +#define __MF_PERSIST_MAX 256 +#define __MF_FREEQ_MAX 256 + +/* + Wrapping and redirection: + + Mudflap redirects a number of libc functions into itself, for "cheap" + verification (eg. strcpy, bzero, memcpy) and also to register / + unregister regions of memory as they are manipulated by the program + (eg. malloc/free, mmap/munmap). + + There are two methods of wrapping. + + (1) The static method involves a list of -wrap=foo flags being passed to + the linker, which then links references to "foo" to the symbol + "__wrap_foo", and links references to "__real_foo" to the symbol "foo". + When compiled without -DPIC, libmudflap.a contains such __wrap_foo + functions which delegate to __real_foo functions in libc to get their + work done. + + (2) The dynamic method involves providing a definition of symbol foo in + libmudflap.so and linking it earlier in the compiler command line, + before libc.so. The function "foo" in libmudflap must then call + dlsym(RTLD_NEXT, "foo") to acquire a pointer to the "real" libc foo, or + at least the "next" foo in the dynamic link resolution order. + + We switch between these two techniques by the presence of the -DPIC + #define passed in by libtool when building libmudflap. +*/ + + +#ifdef PIC + +extern void __mf_resolve_single_dynamic (struct __mf_dynamic_entry *); + +#define _GNU_SOURCE +#include <dlfcn.h> + +#define WRAPPER(ret, fname, ...) \ +ret __wrap_ ## fname (__VA_ARGS__) \ + __attribute__ (( alias (#fname) )); \ +ret __real_ ## fname (__VA_ARGS__) \ + __attribute__ (( alias (#fname) )); \ +ret fname (__VA_ARGS__) +#define DECLARE(ty, fname, ...) \ + typedef ty (*__mf_fn_ ## fname) (__VA_ARGS__); \ + extern ty __mf_0fn_ ## fname (__VA_ARGS__); +#define CALL_REAL(fname, ...) \ + ({__mf_starting_p \ + ? __mf_0fn_ ## fname (__VA_ARGS__) \ + : (__mf_resolve_single_dynamic (& __mf_dynamic[dyn_ ## fname]), \ + (((__mf_fn_ ## fname)(__mf_dynamic[dyn_ ## fname].pointer)) (__VA_ARGS__)));}) +#define CALL_BACKUP(fname, ...) \ + __mf_0fn_ ## fname(__VA_ARGS__) + +#else /* not PIC --> static library */ + +#define WRAPPER(ret, fname, ...) \ +ret __wrap_ ## fname (__VA_ARGS__) +#define DECLARE(ty, fname, ...) \ + extern ty __real_ ## fname (__VA_ARGS__) +#define CALL_REAL(fname, ...) \ + __real_ ## fname (__VA_ARGS__) +#define CALL_BACKUP(fname, ...) \ + __real_ ## fname(__VA_ARGS__) + +#endif /* PIC */ + +/* WRAPPER2 is for functions intercepted via macros at compile time. */ +#define WRAPPER2(ret, fname, ...) \ +ret __mfwrap_ ## fname (__VA_ARGS__) + + +/* Utility macros for mf-hooks*.c */ + +#define MF_VALIDATE_EXTENT(value,size,acc,context) \ + do { \ + if (UNLIKELY (size > 0 && __MF_CACHE_MISS_P (value, size))) \ + if (acc == __MF_CHECK_WRITE || ! __mf_opts.ignore_reads) \ + __mf_check ((void *) (value), (size), acc, "(" context ")"); \ + } while (0) +#define BEGIN_PROTECT(fname, ...) \ + if (UNLIKELY (__mf_starting_p)) \ + { \ + return CALL_BACKUP(fname, __VA_ARGS__); \ + } \ + else if (UNLIKELY (__mf_get_state () == reentrant)) \ + { \ + extern unsigned long __mf_reentrancy; \ + __mf_reentrancy ++; \ + return CALL_REAL(fname, __VA_ARGS__); \ + } \ + else if (UNLIKELY (__mf_get_state () == in_malloc)) \ + { \ + return CALL_REAL(fname, __VA_ARGS__); \ + } \ + else \ + { \ + TRACE ("%s\n", __PRETTY_FUNCTION__); \ + } + +/* There is an assumption here that these will only be called in routines + that call BEGIN_PROTECT at the start, and hence the state must always + be active when BEGIN_MALLOC_PROTECT is called. */ +#define BEGIN_MALLOC_PROTECT() \ + __mf_set_state (in_malloc) + +#define END_MALLOC_PROTECT() \ + __mf_set_state (active) + +/* Unlocked variants of main entry points from mf-runtime.h. */ +extern void __mfu_check (void *ptr, size_t sz, int type, const char *location); +extern void __mfu_register (void *ptr, size_t sz, int type, const char *name); +extern void __mfu_unregister (void *ptr, size_t sz, int type); +extern void __mfu_report (); +extern int __mfu_set_options (const char *opts); + + +#endif /* __MF_IMPL_H */ diff --git a/contrib/gcclibs/libmudflap/mf-runtime.c b/contrib/gcclibs/libmudflap/mf-runtime.c new file mode 100644 index 0000000..72d1a57 --- /dev/null +++ b/contrib/gcclibs/libmudflap/mf-runtime.c @@ -0,0 +1,2786 @@ +/* Mudflap: narrow-pointer bounds-checking by tree rewriting. + Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + Contributed by Frank Ch. Eigler <fche@redhat.com> + and Graydon Hoare <graydon@redhat.com> + Splay Tree code originally by Mark Mitchell <mark@markmitchell.com>, + adapted from libiberty. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +#include "config.h" + +/* These attempt to coax various unix flavours to declare all our + needed tidbits in the system headers. */ +#if !defined(__FreeBSD__) && !defined(__APPLE__) +#define _POSIX_SOURCE +#endif /* Some BSDs break <sys/socket.h> if this is defined. */ +#define _GNU_SOURCE +#define _XOPEN_SOURCE +#define _BSD_TYPES +#define __EXTENSIONS__ +#define _ALL_SOURCE +#define _LARGE_FILE_API +#define _XOPEN_SOURCE_EXTENDED 1 + +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/time.h> +#include <time.h> +#include <unistd.h> +#ifdef HAVE_EXECINFO_H +#include <execinfo.h> +#endif +#ifdef HAVE_SIGNAL_H +#include <signal.h> +#endif +#include <assert.h> + +#include <string.h> +#include <limits.h> +#include <sys/types.h> +#include <signal.h> +#include <errno.h> +#include <ctype.h> + +#include "mf-runtime.h" +#include "mf-impl.h" + + +/* ------------------------------------------------------------------------ */ +/* Splay-tree implementation. */ + +typedef uintptr_t mfsplay_tree_key; +typedef void *mfsplay_tree_value; + +/* Forward declaration for a node in the tree. */ +typedef struct mfsplay_tree_node_s *mfsplay_tree_node; + +/* The type of a function used to iterate over the tree. */ +typedef int (*mfsplay_tree_foreach_fn) (mfsplay_tree_node, void *); + +/* The nodes in the splay tree. */ +struct mfsplay_tree_node_s +{ + /* Data. */ + mfsplay_tree_key key; + mfsplay_tree_value value; + /* Children. */ + mfsplay_tree_node left; + mfsplay_tree_node right; + /* XXX: The addition of a parent pointer may eliminate some recursion. */ +}; + +/* The splay tree itself. */ +struct mfsplay_tree_s +{ + /* The root of the tree. */ + mfsplay_tree_node root; + + /* The last key value for which the tree has been splayed, but not + since modified. */ + mfsplay_tree_key last_splayed_key; + int last_splayed_key_p; + + /* Statistics. */ + unsigned num_keys; + + /* Traversal recursion control flags. */ + unsigned max_depth; + unsigned depth; + unsigned rebalance_p; +}; +typedef struct mfsplay_tree_s *mfsplay_tree; + +static mfsplay_tree mfsplay_tree_new (void); +static mfsplay_tree_node mfsplay_tree_insert (mfsplay_tree, mfsplay_tree_key, mfsplay_tree_value); +static void mfsplay_tree_remove (mfsplay_tree, mfsplay_tree_key); +static mfsplay_tree_node mfsplay_tree_lookup (mfsplay_tree, mfsplay_tree_key); +static mfsplay_tree_node mfsplay_tree_predecessor (mfsplay_tree, mfsplay_tree_key); +static mfsplay_tree_node mfsplay_tree_successor (mfsplay_tree, mfsplay_tree_key); +static int mfsplay_tree_foreach (mfsplay_tree, mfsplay_tree_foreach_fn, void *); +static void mfsplay_tree_rebalance (mfsplay_tree sp); + +/* ------------------------------------------------------------------------ */ +/* Utility macros */ + +#define CTOR __attribute__ ((constructor)) +#define DTOR __attribute__ ((destructor)) + + +/* Codes to describe the context in which a violation occurs. */ +#define __MF_VIOL_UNKNOWN 0 +#define __MF_VIOL_READ 1 +#define __MF_VIOL_WRITE 2 +#define __MF_VIOL_REGISTER 3 +#define __MF_VIOL_UNREGISTER 4 +#define __MF_VIOL_WATCH 5 + +/* Protect against recursive calls. */ + +static void +begin_recursion_protect1 (const char *pf) +{ + if (__mf_get_state () == reentrant) + { + write (2, "mf: erroneous reentrancy detected in `", 38); + write (2, pf, strlen(pf)); + write (2, "'\n", 2); \ + abort (); + } + __mf_set_state (reentrant); +} + +#define BEGIN_RECURSION_PROTECT() \ + begin_recursion_protect1 (__PRETTY_FUNCTION__) + +#define END_RECURSION_PROTECT() \ + __mf_set_state (active) + +/* ------------------------------------------------------------------------ */ +/* Required globals. */ + +#define LOOKUP_CACHE_MASK_DFL 1023 +#define LOOKUP_CACHE_SIZE_MAX 65536 /* Allows max CACHE_MASK 0xFFFF */ +#define LOOKUP_CACHE_SHIFT_DFL 2 + +struct __mf_cache __mf_lookup_cache [LOOKUP_CACHE_SIZE_MAX]; +uintptr_t __mf_lc_mask = LOOKUP_CACHE_MASK_DFL; +unsigned char __mf_lc_shift = LOOKUP_CACHE_SHIFT_DFL; +#define LOOKUP_CACHE_SIZE (__mf_lc_mask + 1) + +struct __mf_options __mf_opts; +int __mf_starting_p = 1; + +#ifdef LIBMUDFLAPTH +#ifdef HAVE_TLS +__thread enum __mf_state_enum __mf_state_1 = reentrant; +#endif +#else +enum __mf_state_enum __mf_state_1 = reentrant; +#endif + +#ifdef LIBMUDFLAPTH +pthread_mutex_t __mf_biglock = +#ifdef PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP + PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP; +#else + PTHREAD_MUTEX_INITIALIZER; +#endif +#endif + +/* Use HAVE_PTHREAD_H here instead of LIBMUDFLAPTH, so that even + the libmudflap.la (no threading support) can diagnose whether + the application is linked with -lpthread. See __mf_usage() below. */ +#if HAVE_PTHREAD_H +#ifdef _POSIX_THREADS +#pragma weak pthread_join +#else +#define pthread_join NULL +#endif +#endif + + +/* ------------------------------------------------------------------------ */ +/* stats-related globals. */ + +static unsigned long __mf_count_check; +static unsigned long __mf_lookup_cache_reusecount [LOOKUP_CACHE_SIZE_MAX]; +static unsigned long __mf_count_register; +static unsigned long __mf_total_register_size [__MF_TYPE_MAX+1]; +static unsigned long __mf_count_unregister; +static unsigned long __mf_total_unregister_size; +static unsigned long __mf_count_violation [__MF_VIOL_WATCH+1]; +static unsigned long __mf_sigusr1_received; +static unsigned long __mf_sigusr1_handled; +/* not static */ unsigned long __mf_reentrancy; +#ifdef LIBMUDFLAPTH +/* not static */ unsigned long __mf_lock_contention; +#endif + + +/* ------------------------------------------------------------------------ */ +/* mode-check-related globals. */ + +typedef struct __mf_object +{ + uintptr_t low, high; /* __mf_register parameters */ + const char *name; + char type; /* __MF_TYPE_something */ + char watching_p; /* Trigger a VIOL_WATCH on access? */ + unsigned read_count; /* Number of times __mf_check/read was called on this object. */ + unsigned write_count; /* Likewise for __mf_check/write. */ + unsigned liveness; /* A measure of recent checking activity. */ + unsigned description_epoch; /* Last epoch __mf_describe_object printed this. */ + + uintptr_t alloc_pc; + struct timeval alloc_time; + char **alloc_backtrace; + size_t alloc_backtrace_size; +#ifdef LIBMUDFLAPTH + pthread_t alloc_thread; +#endif + + int deallocated_p; + uintptr_t dealloc_pc; + struct timeval dealloc_time; + char **dealloc_backtrace; + size_t dealloc_backtrace_size; +#ifdef LIBMUDFLAPTH + pthread_t dealloc_thread; +#endif +} __mf_object_t; + +/* Live objects: splay trees, separated by type, ordered on .low (base address). */ +/* Actually stored as static vars within lookup function below. */ + +/* Dead objects: circular arrays; _MIN_CEM .. _MAX_CEM only */ +static unsigned __mf_object_dead_head[__MF_TYPE_MAX_CEM+1]; /* next empty spot */ +static __mf_object_t *__mf_object_cemetary[__MF_TYPE_MAX_CEM+1][__MF_PERSIST_MAX]; + + +/* ------------------------------------------------------------------------ */ +/* Forward function declarations */ + +void __mf_init () CTOR; +static void __mf_sigusr1_respond (); +static unsigned __mf_find_objects (uintptr_t ptr_low, uintptr_t ptr_high, + __mf_object_t **objs, unsigned max_objs); +static unsigned __mf_find_objects2 (uintptr_t ptr_low, uintptr_t ptr_high, + __mf_object_t **objs, unsigned max_objs, int type); +static unsigned __mf_find_dead_objects (uintptr_t ptr_low, uintptr_t ptr_high, + __mf_object_t **objs, unsigned max_objs); +static void __mf_adapt_cache (); +static void __mf_describe_object (__mf_object_t *obj); +static unsigned __mf_watch_or_not (void *ptr, size_t sz, char flag); +static mfsplay_tree __mf_object_tree (int type); +static void __mf_link_object (__mf_object_t *node); +static void __mf_unlink_object (__mf_object_t *node); + + +/* ------------------------------------------------------------------------ */ +/* Configuration engine */ + +static void +__mf_set_default_options () +{ + memset (& __mf_opts, 0, sizeof (__mf_opts)); + + __mf_opts.adapt_cache = 1000003; + __mf_opts.abbreviate = 1; + __mf_opts.verbose_violations = 1; + __mf_opts.free_queue_length = 4; + __mf_opts.persistent_count = 100; + __mf_opts.crumple_zone = 32; + __mf_opts.backtrace = 4; + __mf_opts.timestamps = 1; + __mf_opts.mudflap_mode = mode_check; + __mf_opts.violation_mode = viol_nop; + __mf_opts.heur_std_data = 1; +#ifdef LIBMUDFLAPTH + __mf_opts.thread_stack = 0; +#endif +} + +static struct option +{ + char *name; + char *description; + enum + { + set_option, + read_integer_option, + } type; + unsigned value; + unsigned *target; +} +options [] = + { + {"mode-nop", + "mudflaps do nothing", + set_option, (unsigned)mode_nop, (unsigned *)&__mf_opts.mudflap_mode}, + {"mode-populate", + "mudflaps populate object tree", + set_option, (unsigned)mode_populate, (unsigned *)&__mf_opts.mudflap_mode}, + {"mode-check", + "mudflaps check for memory violations", + set_option, (unsigned)mode_check, (unsigned *)&__mf_opts.mudflap_mode}, + {"mode-violate", + "mudflaps always cause violations (diagnostic)", + set_option, (unsigned)mode_violate, (unsigned *)&__mf_opts.mudflap_mode}, + + {"viol-nop", + "violations do not change program execution", + set_option, (unsigned)viol_nop, (unsigned *)&__mf_opts.violation_mode}, + {"viol-abort", + "violations cause a call to abort()", + set_option, (unsigned)viol_abort, (unsigned *)&__mf_opts.violation_mode}, + {"viol-segv", + "violations are promoted to SIGSEGV signals", + set_option, (unsigned)viol_segv, (unsigned *)&__mf_opts.violation_mode}, + {"viol-gdb", + "violations fork a gdb process attached to current program", + set_option, (unsigned)viol_gdb, (unsigned *)&__mf_opts.violation_mode}, + {"trace-calls", + "trace calls to mudflap runtime library", + set_option, 1, &__mf_opts.trace_mf_calls}, + {"verbose-trace", + "trace internal events within mudflap runtime library", + set_option, 1, &__mf_opts.verbose_trace}, + {"collect-stats", + "collect statistics on mudflap's operation", + set_option, 1, &__mf_opts.collect_stats}, +#ifdef SIGUSR1 + {"sigusr1-report", + "print report upon SIGUSR1", + set_option, 1, &__mf_opts.sigusr1_report}, +#endif + {"internal-checking", + "perform more expensive internal checking", + set_option, 1, &__mf_opts.internal_checking}, + {"print-leaks", + "print any memory leaks at program shutdown", + set_option, 1, &__mf_opts.print_leaks}, + {"check-initialization", + "detect uninitialized object reads", + set_option, 1, &__mf_opts.check_initialization}, + {"verbose-violations", + "print verbose messages when memory violations occur", + set_option, 1, &__mf_opts.verbose_violations}, + {"abbreviate", + "abbreviate repetitive listings", + set_option, 1, &__mf_opts.abbreviate}, + {"timestamps", + "track object lifetime timestamps", + set_option, 1, &__mf_opts.timestamps}, + {"ignore-reads", + "ignore read accesses - assume okay", + set_option, 1, &__mf_opts.ignore_reads}, + {"wipe-stack", + "wipe stack objects at unwind", + set_option, 1, &__mf_opts.wipe_stack}, + {"wipe-heap", + "wipe heap objects at free", + set_option, 1, &__mf_opts.wipe_heap}, + {"heur-proc-map", + "support /proc/self/map heuristics", + set_option, 1, &__mf_opts.heur_proc_map}, + {"heur-stack-bound", + "enable a simple upper stack bound heuristic", + set_option, 1, &__mf_opts.heur_stack_bound}, + {"heur-start-end", + "support _start.._end heuristics", + set_option, 1, &__mf_opts.heur_start_end}, + {"heur-stdlib", + "register standard library data (argv, errno, stdin, ...)", + set_option, 1, &__mf_opts.heur_std_data}, + {"free-queue-length", + "queue N deferred free() calls before performing them", + read_integer_option, 0, &__mf_opts.free_queue_length}, + {"persistent-count", + "keep a history of N unregistered regions", + read_integer_option, 0, &__mf_opts.persistent_count}, + {"crumple-zone", + "surround allocations with crumple zones of N bytes", + read_integer_option, 0, &__mf_opts.crumple_zone}, + /* XXX: not type-safe. + {"lc-mask", + "set lookup cache size mask to N (2**M - 1)", + read_integer_option, 0, (int *)(&__mf_lc_mask)}, + {"lc-shift", + "set lookup cache pointer shift", + read_integer_option, 0, (int *)(&__mf_lc_shift)}, + */ + {"lc-adapt", + "adapt mask/shift parameters after N cache misses", + read_integer_option, 1, &__mf_opts.adapt_cache}, + {"backtrace", + "keep an N-level stack trace of each call context", + read_integer_option, 0, &__mf_opts.backtrace}, +#ifdef LIBMUDFLAPTH + {"thread-stack", + "override thread stacks allocation: N kB", + read_integer_option, 0, &__mf_opts.thread_stack}, +#endif + {0, 0, set_option, 0, NULL} + }; + +static void +__mf_usage () +{ + struct option *opt; + + fprintf (stderr, + "This is a %s%sGCC \"mudflap\" memory-checked binary.\n" + "Mudflap is Copyright (C) 2002-2004 Free Software Foundation, Inc.\n" + "\n" + "The mudflap code can be controlled by an environment variable:\n" + "\n" + "$ export MUDFLAP_OPTIONS='<options>'\n" + "$ <mudflapped_program>\n" + "\n" + "where <options> is a space-separated list of \n" + "any of the following options. Use `-no-OPTION' to disable options.\n" + "\n", +#if HAVE_PTHREAD_H + (pthread_join ? "multi-threaded " : "single-threaded "), +#else + "", +#endif +#if LIBMUDFLAPTH + "thread-aware " +#else + "thread-unaware " +#endif + ); + /* XXX: The multi-threaded thread-unaware combination is bad. */ + + for (opt = options; opt->name; opt++) + { + int default_p = (opt->value == * opt->target); + + switch (opt->type) + { + char buf[128]; + case set_option: + fprintf (stderr, "-%-23.23s %s", opt->name, opt->description); + if (default_p) + fprintf (stderr, " [active]\n"); + else + fprintf (stderr, "\n"); + break; + case read_integer_option: + strncpy (buf, opt->name, 128); + strncpy (buf + strlen (opt->name), "=N", 2); + fprintf (stderr, "-%-23.23s %s", buf, opt->description); + fprintf (stderr, " [%d]\n", * opt->target); + break; + default: abort(); + } + } + + fprintf (stderr, "\n"); +} + + +int +__mf_set_options (const char *optstr) +{ + int rc; + LOCKTH (); + BEGIN_RECURSION_PROTECT (); + rc = __mfu_set_options (optstr); + /* XXX: It's not really that easy. A change to a bunch of parameters + can require updating auxiliary state or risk crashing: + free_queue_length, crumple_zone ... */ + END_RECURSION_PROTECT (); + UNLOCKTH (); + return rc; +} + + +int +__mfu_set_options (const char *optstr) +{ + struct option *opts = 0; + char *nxt = 0; + long tmp = 0; + int rc = 0; + const char *saved_optstr = optstr; + + /* XXX: bounds-check for optstr! */ + + while (*optstr) + { + switch (*optstr) { + case ' ': + case '\t': + case '\n': + optstr++; + break; + + case '-': + if (*optstr+1) + { + int negate = 0; + optstr++; + + if (*optstr == '?' || + strncmp (optstr, "help", 4) == 0) + { + /* Caller will print help and exit. */ + return -1; + } + + if (strncmp (optstr, "no-", 3) == 0) + { + negate = 1; + optstr = & optstr[3]; + } + + for (opts = options; opts->name; opts++) + { + if (strncmp (optstr, opts->name, strlen (opts->name)) == 0) + { + optstr += strlen (opts->name); + assert (opts->target); + switch (opts->type) + { + case set_option: + if (negate) + *(opts->target) = 0; + else + *(opts->target) = opts->value; + break; + case read_integer_option: + if (! negate && (*optstr == '=' && *(optstr+1))) + { + optstr++; + tmp = strtol (optstr, &nxt, 10); + if ((optstr != nxt) && (tmp != LONG_MAX)) + { + optstr = nxt; + *(opts->target) = (int)tmp; + } + } + else if (negate) + * opts->target = 0; + break; + } + } + } + } + break; + + default: + fprintf (stderr, + "warning: unrecognized string '%s' in mudflap options\n", + optstr); + optstr += strlen (optstr); + rc = -1; + break; + } + } + + /* Special post-processing: bound __mf_lc_mask and free_queue_length for security. */ + __mf_lc_mask &= (LOOKUP_CACHE_SIZE_MAX - 1); + __mf_opts.free_queue_length &= (__MF_FREEQ_MAX - 1); + + /* Clear the lookup cache, in case the parameters got changed. */ + /* XXX: race */ + memset (__mf_lookup_cache, 0, sizeof(__mf_lookup_cache)); + /* void slot 0 */ + __mf_lookup_cache[0].low = MAXPTR; + + TRACE ("set options from `%s'\n", saved_optstr); + + /* Call this unconditionally, in case -sigusr1-report was toggled. */ + __mf_sigusr1_respond (); + + return rc; +} + + +#ifdef PIC + +void +__mf_resolve_single_dynamic (struct __mf_dynamic_entry *e) +{ + char *err; + + assert (e); + if (e->pointer) return; + +#if HAVE_DLVSYM + if (e->version != NULL && e->version[0] != '\0') /* non-null/empty */ + e->pointer = dlvsym (RTLD_NEXT, e->name, e->version); + else +#endif + e->pointer = dlsym (RTLD_NEXT, e->name); + + err = dlerror (); + + if (err) + { + fprintf (stderr, "mf: error in dlsym(\"%s\"): %s\n", + e->name, err); + abort (); + } + if (! e->pointer) + { + fprintf (stderr, "mf: dlsym(\"%s\") = NULL\n", e->name); + abort (); + } +} + + +static void +__mf_resolve_dynamics () +{ + int i; + for (i = 0; i < dyn_INITRESOLVE; i++) + __mf_resolve_single_dynamic (& __mf_dynamic[i]); +} + + +/* NB: order must match enums in mf-impl.h */ +struct __mf_dynamic_entry __mf_dynamic [] = +{ + {NULL, "calloc", NULL}, + {NULL, "free", NULL}, + {NULL, "malloc", NULL}, + {NULL, "mmap", NULL}, + {NULL, "munmap", NULL}, + {NULL, "realloc", NULL}, + {NULL, "DUMMY", NULL}, /* dyn_INITRESOLVE */ +#ifdef LIBMUDFLAPTH + {NULL, "pthread_create", PTHREAD_CREATE_VERSION}, + {NULL, "pthread_join", NULL}, + {NULL, "pthread_exit", NULL} +#endif +}; + +#endif /* PIC */ + + + +/* ------------------------------------------------------------------------ */ + +/* Lookup & manage automatic initialization of the five or so splay trees. */ +static mfsplay_tree +__mf_object_tree (int type) +{ + static mfsplay_tree trees [__MF_TYPE_MAX+1]; + assert (type >= 0 && type <= __MF_TYPE_MAX); + if (UNLIKELY (trees[type] == NULL)) + trees[type] = mfsplay_tree_new (); + return trees[type]; +} + + +/* not static */void +__mf_init () +{ + char *ov = 0; + + /* Return if initialization has already been done. */ + if (LIKELY (__mf_starting_p == 0)) + return; + + /* This initial bootstrap phase requires that __mf_starting_p = 1. */ +#ifdef PIC + __mf_resolve_dynamics (); +#endif + __mf_starting_p = 0; + + __mf_set_state (active); + + __mf_set_default_options (); + + ov = getenv ("MUDFLAP_OPTIONS"); + if (ov) + { + int rc = __mfu_set_options (ov); + if (rc < 0) + { + __mf_usage (); + exit (1); + } + } + + /* Initialize to a non-zero description epoch. */ + __mf_describe_object (NULL); + +#define REG_RESERVED(obj) \ + __mf_register (& obj, sizeof(obj), __MF_TYPE_NOACCESS, # obj) + + REG_RESERVED (__mf_lookup_cache); + REG_RESERVED (__mf_lc_mask); + REG_RESERVED (__mf_lc_shift); + /* XXX: others of our statics? */ + + /* Prevent access to *NULL. */ + __mf_register (MINPTR, 1, __MF_TYPE_NOACCESS, "NULL"); + __mf_lookup_cache[0].low = (uintptr_t) -1; +} + + + +int +__wrap_main (int argc, char* argv[]) +{ + extern char **environ; + extern int main (); + extern int __real_main (); + static int been_here = 0; + + if (__mf_opts.heur_std_data && ! been_here) + { + unsigned i; + + been_here = 1; + __mf_register (argv, sizeof(char *)*(argc+1), __MF_TYPE_STATIC, "argv[]"); + for (i=0; i<argc; i++) + { + unsigned j = strlen (argv[i]); + __mf_register (argv[i], j+1, __MF_TYPE_STATIC, "argv element"); + } + + for (i=0; ; i++) + { + char *e = environ[i]; + unsigned j; + if (e == NULL) break; + j = strlen (environ[i]); + __mf_register (environ[i], j+1, __MF_TYPE_STATIC, "environ element"); + } + __mf_register (environ, sizeof(char *)*(i+1), __MF_TYPE_STATIC, "environ[]"); + + __mf_register (& errno, sizeof (errno), __MF_TYPE_STATIC, "errno area"); + + __mf_register (stdin, sizeof (*stdin), __MF_TYPE_STATIC, "stdin"); + __mf_register (stdout, sizeof (*stdout), __MF_TYPE_STATIC, "stdout"); + __mf_register (stderr, sizeof (*stderr), __MF_TYPE_STATIC, "stderr"); + + /* Make some effort to register ctype.h static arrays. */ + /* XXX: e.g., on Solaris, may need to register __ctype, _ctype, __ctype_mask, __toupper, etc. */ + /* On modern Linux GLIBC, these are thread-specific and changeable, and are dealt + with in mf-hooks2.c. */ + } + +#ifdef PIC + return main (argc, argv, environ); +#else + return __real_main (argc, argv, environ); +#endif +} + + + +extern void __mf_fini () DTOR; +void __mf_fini () +{ + TRACE ("__mf_fini\n"); + __mfu_report (); + +#ifndef PIC +/* Since we didn't populate the tree for allocations in constructors + before __mf_init, we cannot check destructors after __mf_fini. */ + __mf_opts.mudflap_mode = mode_nop; +#endif +} + + + +/* ------------------------------------------------------------------------ */ +/* __mf_check */ + +void __mf_check (void *ptr, size_t sz, int type, const char *location) +{ + LOCKTH (); + BEGIN_RECURSION_PROTECT (); + __mfu_check (ptr, sz, type, location); + END_RECURSION_PROTECT (); + UNLOCKTH (); +} + + +void __mfu_check (void *ptr, size_t sz, int type, const char *location) +{ + unsigned entry_idx = __MF_CACHE_INDEX (ptr); + struct __mf_cache *entry = & __mf_lookup_cache [entry_idx]; + int judgement = 0; /* 0=undecided; <0=violation; >0=okay */ + uintptr_t ptr_low = (uintptr_t) ptr; + uintptr_t ptr_high = CLAMPSZ (ptr, sz); + struct __mf_cache old_entry = *entry; + + if (UNLIKELY (__mf_opts.sigusr1_report)) + __mf_sigusr1_respond (); + if (UNLIKELY (__mf_opts.ignore_reads && type == 0)) + return; + + TRACE ("check ptr=%p b=%u size=%lu %s location=`%s'\n", + ptr, entry_idx, (unsigned long)sz, + (type == 0 ? "read" : "write"), location); + + switch (__mf_opts.mudflap_mode) + { + case mode_nop: + /* It is tempting to poison the cache here similarly to + mode_populate. However that eliminates a valuable + distinction between these two modes. mode_nop is useful to + let a user count & trace every single check / registration + call. mode_populate is useful to let a program run fast + while unchecked. + */ + judgement = 1; + break; + + case mode_populate: + entry->low = ptr_low; + entry->high = ptr_high; + judgement = 1; + break; + + case mode_check: + { + unsigned heuristics = 0; + + /* Advance aging/adaptation counters. */ + static unsigned adapt_count; + adapt_count ++; + if (UNLIKELY (__mf_opts.adapt_cache > 0 && + adapt_count > __mf_opts.adapt_cache)) + { + adapt_count = 0; + __mf_adapt_cache (); + } + + /* Looping only occurs if heuristics were triggered. */ + while (judgement == 0) + { + DECLARE (void, free, void *p); + __mf_object_t* ovr_obj[1]; + unsigned obj_count; + __mf_object_t** all_ovr_obj = NULL; + __mf_object_t** dealloc_me = NULL; + unsigned i; + + /* Find all overlapping objects. Be optimistic that there is just one. */ + obj_count = __mf_find_objects (ptr_low, ptr_high, ovr_obj, 1); + if (UNLIKELY (obj_count > 1)) + { + /* Allocate a real buffer and do the search again. */ + DECLARE (void *, malloc, size_t c); + unsigned n; + all_ovr_obj = CALL_REAL (malloc, (sizeof (__mf_object_t *) * + obj_count)); + if (all_ovr_obj == NULL) abort (); + n = __mf_find_objects (ptr_low, ptr_high, all_ovr_obj, obj_count); + assert (n == obj_count); + dealloc_me = all_ovr_obj; + } + else + { + all_ovr_obj = ovr_obj; + dealloc_me = NULL; + } + + /* Update object statistics. */ + for (i = 0; i < obj_count; i++) + { + __mf_object_t *obj = all_ovr_obj[i]; + assert (obj != NULL); + if (type == __MF_CHECK_READ) + obj->read_count ++; + else + obj->write_count ++; + obj->liveness ++; + } + + /* Iterate over the various objects. There are a number of special cases. */ + for (i = 0; i < obj_count; i++) + { + __mf_object_t *obj = all_ovr_obj[i]; + + /* Any __MF_TYPE_NOACCESS hit is bad. */ + if (UNLIKELY (obj->type == __MF_TYPE_NOACCESS)) + judgement = -1; + + /* Any object with a watch flag is bad. */ + if (UNLIKELY (obj->watching_p)) + judgement = -2; /* trigger VIOL_WATCH */ + + /* A read from an uninitialized object is bad. */ + if (UNLIKELY (__mf_opts.check_initialization + /* reading */ + && type == __MF_CHECK_READ + /* not written */ + && obj->write_count == 0 + /* uninitialized (heap) */ + && obj->type == __MF_TYPE_HEAP)) + judgement = -1; + } + + /* We now know that the access spans no invalid objects. */ + if (LIKELY (judgement >= 0)) + for (i = 0; i < obj_count; i++) + { + __mf_object_t *obj = all_ovr_obj[i]; + + /* Is this access entirely contained within this object? */ + if (LIKELY (ptr_low >= obj->low && ptr_high <= obj->high)) + { + /* Valid access. */ + entry->low = obj->low; + entry->high = obj->high; + judgement = 1; + } + } + + /* This access runs off the end of one valid object. That + could be okay, if other valid objects fill in all the + holes. We allow this only for HEAP and GUESS type + objects. Accesses to STATIC and STACK variables + should not be allowed to span. */ + if (UNLIKELY ((judgement == 0) && (obj_count > 1))) + { + unsigned uncovered = 0; + for (i = 0; i < obj_count; i++) + { + __mf_object_t *obj = all_ovr_obj[i]; + int j, uncovered_low_p, uncovered_high_p; + uintptr_t ptr_lower, ptr_higher; + + uncovered_low_p = ptr_low < obj->low; + ptr_lower = CLAMPSUB (obj->low, 1); + uncovered_high_p = ptr_high > obj->high; + ptr_higher = CLAMPADD (obj->high, 1); + + for (j = 0; j < obj_count; j++) + { + __mf_object_t *obj2 = all_ovr_obj[j]; + + if (i == j) continue; + + /* Filter out objects that cannot be spanned across. */ + if (obj2->type == __MF_TYPE_STACK + || obj2->type == __MF_TYPE_STATIC) + continue; + + /* Consider a side "covered" if obj2 includes + the next byte on that side. */ + if (uncovered_low_p + && (ptr_lower >= obj2->low && ptr_lower <= obj2->high)) + uncovered_low_p = 0; + if (uncovered_high_p + && (ptr_high >= obj2->low && ptr_higher <= obj2->high)) + uncovered_high_p = 0; + } + + if (uncovered_low_p || uncovered_high_p) + uncovered ++; + } + + /* Success if no overlapping objects are uncovered. */ + if (uncovered == 0) + judgement = 1; + } + + + if (dealloc_me != NULL) + CALL_REAL (free, dealloc_me); + + /* If the judgment is still unknown at this stage, loop + around at most one more time. */ + if (judgement == 0) + { + if (heuristics++ < 2) /* XXX parametrize this number? */ + judgement = __mf_heuristic_check (ptr_low, ptr_high); + else + judgement = -1; + } + } + + } + break; + + case mode_violate: + judgement = -1; + break; + } + + if (__mf_opts.collect_stats) + { + __mf_count_check ++; + + if (LIKELY (old_entry.low != entry->low || old_entry.high != entry->high)) + /* && (old_entry.low != 0) && (old_entry.high != 0)) */ + __mf_lookup_cache_reusecount [entry_idx] ++; + } + + if (UNLIKELY (judgement < 0)) + __mf_violation (ptr, sz, + (uintptr_t) __builtin_return_address (0), location, + ((judgement == -1) ? + (type == __MF_CHECK_READ ? __MF_VIOL_READ : __MF_VIOL_WRITE) : + __MF_VIOL_WATCH)); +} + + +static __mf_object_t * +__mf_insert_new_object (uintptr_t low, uintptr_t high, int type, + const char *name, uintptr_t pc) +{ + DECLARE (void *, calloc, size_t c, size_t n); + + __mf_object_t *new_obj; + new_obj = CALL_REAL (calloc, 1, sizeof(__mf_object_t)); + new_obj->low = low; + new_obj->high = high; + new_obj->type = type; + new_obj->name = name; + new_obj->alloc_pc = pc; +#if HAVE_GETTIMEOFDAY + if (__mf_opts.timestamps) + gettimeofday (& new_obj->alloc_time, NULL); +#endif +#if LIBMUDFLAPTH + new_obj->alloc_thread = pthread_self (); +#endif + + if (__mf_opts.backtrace > 0 && (type == __MF_TYPE_HEAP || type == __MF_TYPE_HEAP_I)) + new_obj->alloc_backtrace_size = + __mf_backtrace (& new_obj->alloc_backtrace, + (void *) pc, 2); + + __mf_link_object (new_obj); + return new_obj; +} + + +static void +__mf_uncache_object (__mf_object_t *old_obj) +{ + /* Remove any low/high pointers for this object from the lookup cache. */ + + /* Can it possibly exist in the cache? */ + if (LIKELY (old_obj->read_count + old_obj->write_count)) + { + /* As reported by Herman ten Brugge, we need to scan the entire + cache for entries that may hit this object. */ + uintptr_t low = old_obj->low; + uintptr_t high = old_obj->high; + struct __mf_cache *entry = & __mf_lookup_cache [0]; + unsigned i; + for (i = 0; i <= __mf_lc_mask; i++, entry++) + { + /* NB: the "||" in the following test permits this code to + tolerate the situation introduced by __mf_check over + contiguous objects, where a cache entry spans several + objects. */ + if (entry->low == low || entry->high == high) + { + entry->low = MAXPTR; + entry->high = MINPTR; + } + } + } +} + + +void +__mf_register (void *ptr, size_t sz, int type, const char *name) +{ + LOCKTH (); + BEGIN_RECURSION_PROTECT (); + __mfu_register (ptr, sz, type, name); + END_RECURSION_PROTECT (); + UNLOCKTH (); +} + + +void +__mfu_register (void *ptr, size_t sz, int type, const char *name) +{ + TRACE ("register ptr=%p size=%lu type=%x name='%s'\n", + ptr, (unsigned long) sz, type, name ? name : ""); + + if (__mf_opts.collect_stats) + { + __mf_count_register ++; + __mf_total_register_size [(type < 0) ? 0 : + (type > __MF_TYPE_MAX) ? 0 : + type] += sz; + } + + if (UNLIKELY (__mf_opts.sigusr1_report)) + __mf_sigusr1_respond (); + + switch (__mf_opts.mudflap_mode) + { + case mode_nop: + break; + + case mode_violate: + __mf_violation (ptr, sz, (uintptr_t) __builtin_return_address (0), NULL, + __MF_VIOL_REGISTER); + break; + + case mode_populate: + /* Clear the cache. */ + /* XXX: why the entire cache? */ + /* XXX: race */ + memset (__mf_lookup_cache, 0, sizeof(__mf_lookup_cache)); + /* void slot 0 */ + __mf_lookup_cache[0].low = MAXPTR; + break; + + case mode_check: + { + __mf_object_t *ovr_objs [1]; + unsigned num_overlapping_objs; + uintptr_t low = (uintptr_t) ptr; + uintptr_t high = CLAMPSZ (ptr, sz); + uintptr_t pc = (uintptr_t) __builtin_return_address (0); + + /* Treat unknown size indication as 1. */ + if (UNLIKELY (sz == 0)) sz = 1; + + /* Look for objects only of the same type. This will e.g. permit a registration + of a STATIC overlapping with a GUESS, and a HEAP with a NOACCESS. At + __mf_check time however harmful overlaps will be detected. */ + num_overlapping_objs = __mf_find_objects2 (low, high, ovr_objs, 1, type); + + /* Handle overlaps. */ + if (UNLIKELY (num_overlapping_objs > 0)) + { + __mf_object_t *ovr_obj = ovr_objs[0]; + + /* Accept certain specific duplication pairs. */ + if (((type == __MF_TYPE_STATIC) || (type == __MF_TYPE_GUESS)) + && ovr_obj->low == low + && ovr_obj->high == high + && ovr_obj->type == type) + { + /* Duplicate registration for static objects may come + from distinct compilation units. */ + VERBOSE_TRACE ("harmless duplicate reg %p-%p `%s'\n", + (void *) low, (void *) high, + (ovr_obj->name ? ovr_obj->name : "")); + break; + } + + /* Alas, a genuine violation. */ + else + { + /* Two or more *real* mappings here. */ + __mf_violation ((void *) ptr, sz, + (uintptr_t) __builtin_return_address (0), NULL, + __MF_VIOL_REGISTER); + } + } + else /* No overlapping objects: AOK. */ + __mf_insert_new_object (low, high, type, name, pc); + + /* We could conceivably call __mf_check() here to prime the cache, + but then the read_count/write_count field is not reliable. */ + break; + } + } /* end switch (__mf_opts.mudflap_mode) */ +} + + +void +__mf_unregister (void *ptr, size_t sz, int type) +{ + LOCKTH (); + BEGIN_RECURSION_PROTECT (); + __mfu_unregister (ptr, sz, type); + END_RECURSION_PROTECT (); + UNLOCKTH (); +} + + +void +__mfu_unregister (void *ptr, size_t sz, int type) +{ + DECLARE (void, free, void *ptr); + + if (UNLIKELY (__mf_opts.sigusr1_report)) + __mf_sigusr1_respond (); + + TRACE ("unregister ptr=%p size=%lu type=%x\n", ptr, (unsigned long) sz, type); + + switch (__mf_opts.mudflap_mode) + { + case mode_nop: + break; + + case mode_violate: + __mf_violation (ptr, sz, + (uintptr_t) __builtin_return_address (0), NULL, + __MF_VIOL_UNREGISTER); + break; + + case mode_populate: + /* Clear the cache. */ + /* XXX: race */ + memset (__mf_lookup_cache, 0, sizeof(__mf_lookup_cache)); + /* void slot 0 */ + __mf_lookup_cache[0].low = MAXPTR; + break; + + case mode_check: + { + __mf_object_t *old_obj = NULL; + __mf_object_t *del_obj = NULL; /* Object to actually delete. */ + __mf_object_t *objs[1] = {NULL}; + unsigned num_overlapping_objs; + + num_overlapping_objs = __mf_find_objects2 ((uintptr_t) ptr, + CLAMPSZ (ptr, sz), objs, 1, type); + + /* Special case for HEAP_I - see free & realloc hook. They don't + know whether the input region was HEAP or HEAP_I before + unmapping it. Here we give HEAP a try in case HEAP_I + failed. */ + if ((type == __MF_TYPE_HEAP_I) && (num_overlapping_objs == 0)) + { + num_overlapping_objs = __mf_find_objects2 ((uintptr_t) ptr, + CLAMPSZ (ptr, sz), objs, 1, __MF_TYPE_HEAP); + } + + old_obj = objs[0]; + if (UNLIKELY ((num_overlapping_objs != 1) /* more than one overlap */ + || ((sz == 0) ? 0 : (sz != (old_obj->high - old_obj->low + 1))) /* size mismatch */ + || ((uintptr_t) ptr != old_obj->low))) /* base mismatch */ + { + __mf_violation (ptr, sz, + (uintptr_t) __builtin_return_address (0), NULL, + __MF_VIOL_UNREGISTER); + break; + } + + __mf_unlink_object (old_obj); + __mf_uncache_object (old_obj); + + /* Wipe buffer contents if desired. */ + if ((__mf_opts.wipe_stack && old_obj->type == __MF_TYPE_STACK) + || (__mf_opts.wipe_heap && (old_obj->type == __MF_TYPE_HEAP + || old_obj->type == __MF_TYPE_HEAP_I))) + { + memset ((void *) old_obj->low, + 0, + (size_t) (old_obj->high - old_obj->low + 1)); + } + + /* Manage the object cemetary. */ + if (__mf_opts.persistent_count > 0 + && (unsigned) old_obj->type <= __MF_TYPE_MAX_CEM) + { + old_obj->deallocated_p = 1; + old_obj->dealloc_pc = (uintptr_t) __builtin_return_address (0); +#if HAVE_GETTIMEOFDAY + if (__mf_opts.timestamps) + gettimeofday (& old_obj->dealloc_time, NULL); +#endif +#ifdef LIBMUDFLAPTH + old_obj->dealloc_thread = pthread_self (); +#endif + + if (__mf_opts.backtrace > 0 && old_obj->type == __MF_TYPE_HEAP) + old_obj->dealloc_backtrace_size = + __mf_backtrace (& old_obj->dealloc_backtrace, + NULL, 2); + + /* Encourage this object to be displayed again in current epoch. */ + old_obj->description_epoch --; + + /* Put this object into the cemetary. This may require this plot to + be recycled, and the previous resident to be designated del_obj. */ + { + unsigned row = old_obj->type; + unsigned plot = __mf_object_dead_head [row]; + + del_obj = __mf_object_cemetary [row][plot]; + __mf_object_cemetary [row][plot] = old_obj; + plot ++; + if (plot == __mf_opts.persistent_count) plot = 0; + __mf_object_dead_head [row] = plot; + } + } + else + del_obj = old_obj; + + if (__mf_opts.print_leaks) + { + if ((old_obj->read_count + old_obj->write_count) == 0 && + (old_obj->type == __MF_TYPE_HEAP + || old_obj->type == __MF_TYPE_HEAP_I)) + { + fprintf (stderr, + "*******\n" + "mudflap warning: unaccessed registered object:\n"); + __mf_describe_object (old_obj); + } + } + + if (del_obj != NULL) /* May or may not equal old_obj. */ + { + if (__mf_opts.backtrace > 0) + { + CALL_REAL(free, del_obj->alloc_backtrace); + if (__mf_opts.persistent_count > 0) + { + CALL_REAL(free, del_obj->dealloc_backtrace); + } + } + CALL_REAL(free, del_obj); + } + + break; + } + } /* end switch (__mf_opts.mudflap_mode) */ + + + if (__mf_opts.collect_stats) + { + __mf_count_unregister ++; + __mf_total_unregister_size += sz; + } +} + + + +struct tree_stats +{ + unsigned obj_count; + unsigned long total_size; + unsigned live_obj_count; + double total_weight; + double weighted_size; + unsigned long weighted_address_bits [sizeof (uintptr_t) * 8][2]; +}; + + + +static int +__mf_adapt_cache_fn (mfsplay_tree_node n, void *param) +{ + __mf_object_t *obj = (__mf_object_t *) n->value; + struct tree_stats *s = (struct tree_stats *) param; + + assert (obj != NULL && s != NULL); + + /* Exclude never-accessed objects. */ + if (obj->read_count + obj->write_count) + { + s->obj_count ++; + s->total_size += (obj->high - obj->low + 1); + + if (obj->liveness) + { + unsigned i; + uintptr_t addr; + + /* VERBOSE_TRACE ("analyze low=%p live=%u name=`%s'\n", + (void *) obj->low, obj->liveness, obj->name); */ + + s->live_obj_count ++; + s->total_weight += (double) obj->liveness; + s->weighted_size += + (double) (obj->high - obj->low + 1) * + (double) obj->liveness; + + addr = obj->low; + for (i=0; i<sizeof(uintptr_t) * 8; i++) + { + unsigned bit = addr & 1; + s->weighted_address_bits[i][bit] += obj->liveness; + addr = addr >> 1; + } + + /* Age the liveness value. */ + obj->liveness >>= 1; + } + } + + return 0; +} + + +static void +__mf_adapt_cache () +{ + struct tree_stats s; + uintptr_t new_mask = 0; + unsigned char new_shift; + float cache_utilization; + float max_value; + static float smoothed_new_shift = -1.0; + unsigned i; + + memset (&s, 0, sizeof (s)); + + mfsplay_tree_foreach (__mf_object_tree (__MF_TYPE_HEAP), __mf_adapt_cache_fn, (void *) & s); + mfsplay_tree_foreach (__mf_object_tree (__MF_TYPE_HEAP_I), __mf_adapt_cache_fn, (void *) & s); + mfsplay_tree_foreach (__mf_object_tree (__MF_TYPE_STACK), __mf_adapt_cache_fn, (void *) & s); + mfsplay_tree_foreach (__mf_object_tree (__MF_TYPE_STATIC), __mf_adapt_cache_fn, (void *) & s); + mfsplay_tree_foreach (__mf_object_tree (__MF_TYPE_GUESS), __mf_adapt_cache_fn, (void *) & s); + + /* Maybe we're dealing with funny aging/adaptation parameters, or an + empty tree. Just leave the cache alone in such cases, rather + than risk dying by division-by-zero. */ + if (! (s.obj_count > 0) && (s.live_obj_count > 0) && (s.total_weight > 0.0)) + return; + + /* Guess a good value for the shift parameter by finding an address bit that is a + good discriminant of lively objects. */ + max_value = 0.0; + for (i=0; i<sizeof (uintptr_t)*8; i++) + { + float value = (float) s.weighted_address_bits[i][0] * (float) s.weighted_address_bits[i][1]; + if (max_value < value) max_value = value; + } + for (i=0; i<sizeof (uintptr_t)*8; i++) + { + float shoulder_factor = 0.7; /* Include slightly less popular bits too. */ + float value = (float) s.weighted_address_bits[i][0] * (float) s.weighted_address_bits[i][1]; + if (value >= max_value * shoulder_factor) + break; + } + if (smoothed_new_shift < 0) smoothed_new_shift = __mf_lc_shift; + /* Converge toward this slowly to reduce flapping. */ + smoothed_new_shift = 0.9*smoothed_new_shift + 0.1*i; + new_shift = (unsigned) (smoothed_new_shift + 0.5); + assert (new_shift < sizeof (uintptr_t)*8); + + /* Count number of used buckets. */ + cache_utilization = 0.0; + for (i = 0; i < (1 + __mf_lc_mask); i++) + if (__mf_lookup_cache[i].low != 0 || __mf_lookup_cache[i].high != 0) + cache_utilization += 1.0; + cache_utilization /= (1 + __mf_lc_mask); + + new_mask |= 0xffff; /* XXX: force a large cache. */ + new_mask &= (LOOKUP_CACHE_SIZE_MAX - 1); + + VERBOSE_TRACE ("adapt cache obj=%u/%u sizes=%lu/%.0f/%.0f => " + "util=%u%% m=%p s=%u\n", + s.obj_count, s.live_obj_count, s.total_size, s.total_weight, s.weighted_size, + (unsigned)(cache_utilization*100.0), (void *) new_mask, new_shift); + + /* We should reinitialize cache if its parameters have changed. */ + if (new_mask != __mf_lc_mask || + new_shift != __mf_lc_shift) + { + __mf_lc_mask = new_mask; + __mf_lc_shift = new_shift; + /* XXX: race */ + memset (__mf_lookup_cache, 0, sizeof(__mf_lookup_cache)); + /* void slot 0 */ + __mf_lookup_cache[0].low = MAXPTR; + } +} + + + +/* __mf_find_object[s] */ + +/* Find overlapping live objecs between [low,high]. Return up to + max_objs of their pointers in objs[]. Return total count of + overlaps (may exceed max_objs). */ + +unsigned +__mf_find_objects2 (uintptr_t ptr_low, uintptr_t ptr_high, + __mf_object_t **objs, unsigned max_objs, int type) +{ + unsigned count = 0; + mfsplay_tree t = __mf_object_tree (type); + mfsplay_tree_key k = (mfsplay_tree_key) ptr_low; + int direction; + + mfsplay_tree_node n = mfsplay_tree_lookup (t, k); + /* An exact match for base address implies a hit. */ + if (n != NULL) + { + if (count < max_objs) + objs[count] = (__mf_object_t *) n->value; + count ++; + } + + /* Iterate left then right near this key value to find all overlapping objects. */ + for (direction = 0; direction < 2; direction ++) + { + /* Reset search origin. */ + k = (mfsplay_tree_key) ptr_low; + + while (1) + { + __mf_object_t *obj; + + n = (direction == 0 ? mfsplay_tree_successor (t, k) : mfsplay_tree_predecessor (t, k)); + if (n == NULL) break; + obj = (__mf_object_t *) n->value; + + if (! (obj->low <= ptr_high && obj->high >= ptr_low)) /* No overlap? */ + break; + + if (count < max_objs) + objs[count] = (__mf_object_t *) n->value; + count ++; + + k = (mfsplay_tree_key) obj->low; + } + } + + return count; +} + + +unsigned +__mf_find_objects (uintptr_t ptr_low, uintptr_t ptr_high, + __mf_object_t **objs, unsigned max_objs) +{ + int type; + unsigned count = 0; + + /* Search each splay tree for overlaps. */ + for (type = __MF_TYPE_NOACCESS; type <= __MF_TYPE_GUESS; type++) + { + unsigned c = __mf_find_objects2 (ptr_low, ptr_high, objs, max_objs, type); + if (c > max_objs) + { + max_objs = 0; + objs = NULL; + } + else /* NB: C may equal 0 */ + { + max_objs -= c; + objs += c; + } + count += c; + } + + return count; +} + + + +/* __mf_link_object */ + +static void +__mf_link_object (__mf_object_t *node) +{ + mfsplay_tree t = __mf_object_tree (node->type); + mfsplay_tree_insert (t, (mfsplay_tree_key) node->low, (mfsplay_tree_value) node); +} + +/* __mf_unlink_object */ + +static void +__mf_unlink_object (__mf_object_t *node) +{ + mfsplay_tree t = __mf_object_tree (node->type); + mfsplay_tree_remove (t, (mfsplay_tree_key) node->low); +} + +/* __mf_find_dead_objects */ + +/* Find overlapping dead objecs between [low,high]. Return up to + max_objs of their pointers in objs[]. Return total count of + overlaps (may exceed max_objs). */ + +static unsigned +__mf_find_dead_objects (uintptr_t low, uintptr_t high, + __mf_object_t **objs, unsigned max_objs) +{ + if (__mf_opts.persistent_count > 0) + { + unsigned count = 0; + unsigned recollection = 0; + unsigned row = 0; + + assert (low <= high); + assert (max_objs == 0 || objs != NULL); + + /* Widen the search from the most recent plots in each row, looking + backward in time. */ + recollection = 0; + while (recollection < __mf_opts.persistent_count) + { + count = 0; + + for (row = 0; row <= __MF_TYPE_MAX_CEM; row ++) + { + unsigned plot; + unsigned i; + + plot = __mf_object_dead_head [row]; + for (i = 0; i <= recollection; i ++) + { + __mf_object_t *obj; + + /* Look backward through row: it's a circular buffer. */ + if (plot > 0) plot --; + else plot = __mf_opts.persistent_count - 1; + + obj = __mf_object_cemetary [row][plot]; + if (obj && obj->low <= high && obj->high >= low) + { + /* Found an overlapping dead object! */ + if (count < max_objs) + objs [count] = obj; + count ++; + } + } + } + + if (count) + break; + + /* Look farther back in time. */ + recollection = (recollection * 2) + 1; + } + + return count; + } else { + return 0; + } +} + +/* __mf_describe_object */ + +static void +__mf_describe_object (__mf_object_t *obj) +{ + static unsigned epoch = 0; + if (obj == NULL) + { + epoch ++; + return; + } + + if (__mf_opts.abbreviate && obj->description_epoch == epoch) + { + fprintf (stderr, + "mudflap %sobject %p: name=`%s'\n", + (obj->deallocated_p ? "dead " : ""), + (void *) obj, (obj->name ? obj->name : "")); + return; + } + else + obj->description_epoch = epoch; + + fprintf (stderr, + "mudflap %sobject %p: name=`%s'\n" + "bounds=[%p,%p] size=%lu area=%s check=%ur/%uw liveness=%u%s\n" + "alloc time=%lu.%06lu pc=%p" +#ifdef LIBMUDFLAPTH + " thread=%u" +#endif + "\n", + (obj->deallocated_p ? "dead " : ""), + (void *) obj, (obj->name ? obj->name : ""), + (void *) obj->low, (void *) obj->high, + (unsigned long) (obj->high - obj->low + 1), + (obj->type == __MF_TYPE_NOACCESS ? "no-access" : + obj->type == __MF_TYPE_HEAP ? "heap" : + obj->type == __MF_TYPE_HEAP_I ? "heap-init" : + obj->type == __MF_TYPE_STACK ? "stack" : + obj->type == __MF_TYPE_STATIC ? "static" : + obj->type == __MF_TYPE_GUESS ? "guess" : + "unknown"), + obj->read_count, obj->write_count, obj->liveness, + obj->watching_p ? " watching" : "", + obj->alloc_time.tv_sec, obj->alloc_time.tv_usec, + (void *) obj->alloc_pc +#ifdef LIBMUDFLAPTH + , (unsigned) obj->alloc_thread +#endif + ); + + if (__mf_opts.backtrace > 0) + { + unsigned i; + for (i=0; i<obj->alloc_backtrace_size; i++) + fprintf (stderr, " %s\n", obj->alloc_backtrace[i]); + } + + if (__mf_opts.persistent_count > 0) + { + if (obj->deallocated_p) + { + fprintf (stderr, "dealloc time=%lu.%06lu pc=%p" +#ifdef LIBMUDFLAPTH + " thread=%u" +#endif + "\n", + obj->dealloc_time.tv_sec, obj->dealloc_time.tv_usec, + (void *) obj->dealloc_pc +#ifdef LIBMUDFLAPTH + , (unsigned) obj->dealloc_thread +#endif + ); + + + if (__mf_opts.backtrace > 0) + { + unsigned i; + for (i=0; i<obj->dealloc_backtrace_size; i++) + fprintf (stderr, " %s\n", obj->dealloc_backtrace[i]); + } + } + } +} + + +static int +__mf_report_leaks_fn (mfsplay_tree_node n, void *param) +{ + __mf_object_t *node = (__mf_object_t *) n->value; + unsigned *count = (unsigned *) param; + + if (count != NULL) + (*count) ++; + + fprintf (stderr, "Leaked object %u:\n", (*count)); + __mf_describe_object (node); + + return 0; +} + + +static unsigned +__mf_report_leaks () +{ + unsigned count = 0; + + (void) mfsplay_tree_foreach (__mf_object_tree (__MF_TYPE_HEAP), + __mf_report_leaks_fn, & count); + (void) mfsplay_tree_foreach (__mf_object_tree (__MF_TYPE_HEAP_I), + __mf_report_leaks_fn, & count); + + return count; +} + +/* ------------------------------------------------------------------------ */ +/* __mf_report */ + +void +__mf_report () +{ + LOCKTH (); + BEGIN_RECURSION_PROTECT (); + __mfu_report (); + END_RECURSION_PROTECT (); + UNLOCKTH (); +} + +void +__mfu_report () +{ + if (__mf_opts.collect_stats) + { + fprintf (stderr, + "*******\n" + "mudflap stats:\n" + "calls to __mf_check: %lu\n" + " __mf_register: %lu [%luB, %luB, %luB, %luB, %luB]\n" + " __mf_unregister: %lu [%luB]\n" + " __mf_violation: [%lu, %lu, %lu, %lu, %lu]\n", + __mf_count_check, + __mf_count_register, + __mf_total_register_size[0], __mf_total_register_size[1], + __mf_total_register_size[2], __mf_total_register_size[3], + __mf_total_register_size[4], /* XXX */ + __mf_count_unregister, __mf_total_unregister_size, + __mf_count_violation[0], __mf_count_violation[1], + __mf_count_violation[2], __mf_count_violation[3], + __mf_count_violation[4]); + + fprintf (stderr, + "calls with reentrancy: %lu\n", __mf_reentrancy); +#ifdef LIBMUDFLAPTH + fprintf (stderr, + " lock contention: %lu\n", __mf_lock_contention); +#endif + + /* Lookup cache stats. */ + { + unsigned i; + unsigned max_reuse = 0; + unsigned num_used = 0; + unsigned num_unused = 0; + + for (i = 0; i < LOOKUP_CACHE_SIZE; i++) + { + if (__mf_lookup_cache_reusecount[i]) + num_used ++; + else + num_unused ++; + if (max_reuse < __mf_lookup_cache_reusecount[i]) + max_reuse = __mf_lookup_cache_reusecount[i]; + } + fprintf (stderr, "lookup cache slots used: %u unused: %u peak-reuse: %u\n", + num_used, num_unused, max_reuse); + } + + { + unsigned live_count; + live_count = __mf_find_objects (MINPTR, MAXPTR, NULL, 0); + fprintf (stderr, "number of live objects: %u\n", live_count); + } + + if (__mf_opts.persistent_count > 0) + { + unsigned dead_count = 0; + unsigned row, plot; + for (row = 0; row <= __MF_TYPE_MAX_CEM; row ++) + for (plot = 0 ; plot < __mf_opts.persistent_count; plot ++) + if (__mf_object_cemetary [row][plot] != 0) + dead_count ++; + fprintf (stderr, " zombie objects: %u\n", dead_count); + } + } + if (__mf_opts.print_leaks && (__mf_opts.mudflap_mode == mode_check)) + { + unsigned l; + extern void * __mf_wrap_alloca_indirect (size_t c); + + /* Free up any remaining alloca()'d blocks. */ + __mf_wrap_alloca_indirect (0); + __mf_describe_object (NULL); /* Reset description epoch. */ + l = __mf_report_leaks (); + fprintf (stderr, "number of leaked objects: %u\n", l); + } +} + +/* __mf_backtrace */ + +size_t +__mf_backtrace (char ***symbols, void *guess_pc, unsigned guess_omit_levels) +{ + void ** pc_array; + unsigned pc_array_size = __mf_opts.backtrace + guess_omit_levels; + unsigned remaining_size; + unsigned omitted_size = 0; + unsigned i; + DECLARE (void, free, void *ptr); + DECLARE (void *, calloc, size_t c, size_t n); + DECLARE (void *, malloc, size_t n); + + pc_array = CALL_REAL (calloc, pc_array_size, sizeof (void *) ); +#ifdef HAVE_BACKTRACE + pc_array_size = backtrace (pc_array, pc_array_size); +#else +#define FETCH(n) do { if (pc_array_size >= n) { \ + pc_array[n] = __builtin_return_address(n); \ + if (pc_array[n] == 0) pc_array_size = n; } } while (0) + + /* Unroll some calls __builtin_return_address because this function + only takes a literal integer parameter. */ + FETCH (0); +#if 0 + /* XXX: __builtin_return_address sometimes crashes (!) on >0 arguments, + rather than simply returning 0. :-( */ + FETCH (1); + FETCH (2); + FETCH (3); + FETCH (4); + FETCH (5); + FETCH (6); + FETCH (7); + FETCH (8); + if (pc_array_size > 8) pc_array_size = 9; +#else + if (pc_array_size > 0) pc_array_size = 1; +#endif + +#undef FETCH +#endif + + /* We want to trim the first few levels of the stack traceback, + since they contain libmudflap wrappers and junk. If pc_array[] + ends up containing a non-NULL guess_pc, then trim everything + before that. Otherwise, omit the first guess_omit_levels + entries. */ + + if (guess_pc != NULL) + for (i=0; i<pc_array_size; i++) + if (pc_array [i] == guess_pc) + omitted_size = i; + + if (omitted_size == 0) /* No match? */ + if (pc_array_size > guess_omit_levels) + omitted_size = guess_omit_levels; + + remaining_size = pc_array_size - omitted_size; + +#ifdef HAVE_BACKTRACE_SYMBOLS + *symbols = backtrace_symbols (pc_array + omitted_size, remaining_size); +#else + { + /* Let's construct a buffer by hand. It will have <remaining_size> + char*'s at the front, pointing at individual strings immediately + afterwards. */ + void *buffer; + char *chars; + char **pointers; + enum { perline = 30 }; + buffer = CALL_REAL (malloc, remaining_size * (perline + sizeof(char *))); + pointers = (char **) buffer; + chars = (char *)buffer + (remaining_size * sizeof (char *)); + for (i = 0; i < remaining_size; i++) + { + pointers[i] = chars; + sprintf (chars, "[0x%p]", pc_array [omitted_size + i]); + chars = chars + perline; + } + *symbols = pointers; + } +#endif + CALL_REAL (free, pc_array); + + return remaining_size; +} + +/* ------------------------------------------------------------------------ */ +/* __mf_violation */ + +void +__mf_violation (void *ptr, size_t sz, uintptr_t pc, + const char *location, int type) +{ + char buf [128]; + static unsigned violation_number; + DECLARE(void, free, void *ptr); + + TRACE ("violation pc=%p location=%s type=%d ptr=%p size=%lu\n", + (void *) pc, + (location != NULL ? location : ""), type, ptr, (unsigned long) sz); + + if (__mf_opts.collect_stats) + __mf_count_violation [(type < 0) ? 0 : + (type > __MF_VIOL_WATCH) ? 0 : + type] ++; + + /* Print out a basic warning message. */ + if (__mf_opts.verbose_violations) + { + unsigned dead_p; + unsigned num_helpful = 0; + struct timeval now = { 0, 0 }; +#if HAVE_GETTIMEOFDAY + gettimeofday (& now, NULL); +#endif + + violation_number ++; + fprintf (stderr, + "*******\n" + "mudflap violation %u (%s): time=%lu.%06lu " + "ptr=%p size=%lu\npc=%p%s%s%s\n", + violation_number, + ((type == __MF_VIOL_READ) ? "check/read" : + (type == __MF_VIOL_WRITE) ? "check/write" : + (type == __MF_VIOL_REGISTER) ? "register" : + (type == __MF_VIOL_UNREGISTER) ? "unregister" : + (type == __MF_VIOL_WATCH) ? "watch" : "unknown"), + now.tv_sec, now.tv_usec, + (void *) ptr, (unsigned long)sz, (void *) pc, + (location != NULL ? " location=`" : ""), + (location != NULL ? location : ""), + (location != NULL ? "'" : "")); + + if (__mf_opts.backtrace > 0) + { + char ** symbols; + unsigned i, num; + + num = __mf_backtrace (& symbols, (void *) pc, 2); + /* Note: backtrace_symbols calls malloc(). But since we're in + __mf_violation and presumably __mf_check, it'll detect + recursion, and not put the new string into the database. */ + + for (i=0; i<num; i++) + fprintf (stderr, " %s\n", symbols[i]); + + /* Calling free() here would trigger a violation. */ + CALL_REAL(free, symbols); + } + + + /* Look for nearby objects. For this, we start with s_low/s_high + pointing to the given area, looking for overlapping objects. + If none show up, widen the search area and keep looking. */ + + if (sz == 0) sz = 1; + + for (dead_p = 0; dead_p <= 1; dead_p ++) /* for dead_p in 0 1 */ + { + enum {max_objs = 3}; /* magic */ + __mf_object_t *objs[max_objs]; + unsigned num_objs = 0; + uintptr_t s_low, s_high; + unsigned tries = 0; + unsigned i; + + s_low = (uintptr_t) ptr; + s_high = CLAMPSZ (ptr, sz); + + while (tries < 16) /* magic */ + { + if (dead_p) + num_objs = __mf_find_dead_objects (s_low, s_high, objs, max_objs); + else + num_objs = __mf_find_objects (s_low, s_high, objs, max_objs); + + if (num_objs) /* good enough */ + break; + + tries ++; + + /* XXX: tune this search strategy. It's too dependent on + sz, which can vary from 1 to very big (when array index + checking) numbers. */ + s_low = CLAMPSUB (s_low, (sz * tries * tries)); + s_high = CLAMPADD (s_high, (sz * tries * tries)); + } + + for (i = 0; i < min (num_objs, max_objs); i++) + { + __mf_object_t *obj = objs[i]; + uintptr_t low = (uintptr_t) ptr; + uintptr_t high = CLAMPSZ (ptr, sz); + unsigned before1 = (low < obj->low) ? obj->low - low : 0; + unsigned after1 = (low > obj->high) ? low - obj->high : 0; + unsigned into1 = (high >= obj->low && low <= obj->high) ? low - obj->low : 0; + unsigned before2 = (high < obj->low) ? obj->low - high : 0; + unsigned after2 = (high > obj->high) ? high - obj->high : 0; + unsigned into2 = (high >= obj->low && low <= obj->high) ? high - obj->low : 0; + + fprintf (stderr, "Nearby object %u: checked region begins %uB %s and ends %uB %s\n", + num_helpful + i + 1, + (before1 ? before1 : after1 ? after1 : into1), + (before1 ? "before" : after1 ? "after" : "into"), + (before2 ? before2 : after2 ? after2 : into2), + (before2 ? "before" : after2 ? "after" : "into")); + __mf_describe_object (obj); + } + num_helpful += num_objs; + } + + fprintf (stderr, "number of nearby objects: %u\n", num_helpful); + } + + /* How to finally handle this violation? */ + switch (__mf_opts.violation_mode) + { + case viol_nop: + break; + case viol_segv: + kill (getpid(), SIGSEGV); + break; + case viol_abort: + abort (); + break; + case viol_gdb: + + snprintf (buf, 128, "gdb --pid=%u", (unsigned) getpid ()); + system (buf); + /* XXX: should probably fork() && sleep(GDB_WAIT_PARAMETER) + instead, and let the forked child execlp() gdb. That way, this + subject process can be resumed under the supervision of gdb. + This can't happen now, since system() only returns when gdb + dies. In that case, we need to beware of starting a second + concurrent gdb child upon the next violation. (But if the first + gdb dies, then starting a new one is appropriate.) */ + break; + } +} + +/* ------------------------------------------------------------------------ */ + + +unsigned __mf_watch (void *ptr, size_t sz) +{ + unsigned rc; + LOCKTH (); + BEGIN_RECURSION_PROTECT (); + rc = __mf_watch_or_not (ptr, sz, 1); + END_RECURSION_PROTECT (); + UNLOCKTH (); + return rc; +} + +unsigned __mf_unwatch (void *ptr, size_t sz) +{ + unsigned rc; + LOCKTH (); + rc = __mf_watch_or_not (ptr, sz, 0); + UNLOCKTH (); + return rc; +} + + +static unsigned +__mf_watch_or_not (void *ptr, size_t sz, char flag) +{ + uintptr_t ptr_high = CLAMPSZ (ptr, sz); + uintptr_t ptr_low = (uintptr_t) ptr; + unsigned count = 0; + + TRACE ("%s ptr=%p size=%lu\n", + (flag ? "watch" : "unwatch"), ptr, (unsigned long) sz); + + switch (__mf_opts.mudflap_mode) + { + case mode_nop: + case mode_populate: + case mode_violate: + count = 0; + break; + + case mode_check: + { + __mf_object_t **all_ovr_objs; + unsigned obj_count; + unsigned n; + DECLARE (void *, malloc, size_t c); + DECLARE (void, free, void *p); + + obj_count = __mf_find_objects (ptr_low, ptr_high, NULL, 0); + VERBOSE_TRACE (" %u:", obj_count); + + all_ovr_objs = CALL_REAL (malloc, (sizeof (__mf_object_t *) * obj_count)); + if (all_ovr_objs == NULL) abort (); + n = __mf_find_objects (ptr_low, ptr_high, all_ovr_objs, obj_count); + assert (n == obj_count); + + for (n = 0; n < obj_count; n ++) + { + __mf_object_t *obj = all_ovr_objs[n]; + + VERBOSE_TRACE (" [%p]", (void *) obj); + if (obj->watching_p != flag) + { + obj->watching_p = flag; + count ++; + + /* Remove object from cache, to ensure next access + goes through __mf_check(). */ + if (flag) + __mf_uncache_object (obj); + } + } + CALL_REAL (free, all_ovr_objs); + } + break; + } + + return count; +} + + +void +__mf_sigusr1_handler (int num) +{ + __mf_sigusr1_received ++; +} + +/* Install or remove SIGUSR1 handler as necessary. + Also, respond to a received pending SIGUSR1. */ +void +__mf_sigusr1_respond () +{ + static int handler_installed; + +#ifdef SIGUSR1 + /* Manage handler */ + if (__mf_opts.sigusr1_report && ! handler_installed) + { + signal (SIGUSR1, __mf_sigusr1_handler); + handler_installed = 1; + } + else if(! __mf_opts.sigusr1_report && handler_installed) + { + signal (SIGUSR1, SIG_DFL); + handler_installed = 0; + } +#endif + + /* Manage enqueued signals */ + if (__mf_sigusr1_received > __mf_sigusr1_handled) + { + __mf_sigusr1_handled ++; + assert (__mf_get_state () == reentrant); + __mfu_report (); + handler_installed = 0; /* We may need to re-enable signal; this might be a SysV library. */ + } +} + + +/* XXX: provide an alternative __assert_fail function that cannot + fail due to libmudflap infinite recursion. */ +#ifndef NDEBUG + +static void +write_itoa (int fd, unsigned n) +{ + enum x { bufsize = sizeof(n)*4 }; + char buf [bufsize]; + unsigned i; + + for (i=0; i<bufsize-1; i++) + { + unsigned digit = n % 10; + buf[bufsize-2-i] = digit + '0'; + n /= 10; + if (n == 0) + { + char *m = & buf [bufsize-2-i]; + buf[bufsize-1] = '\0'; + write (fd, m, strlen(m)); + break; + } + } +} + + +void +__assert_fail (const char *msg, const char *file, unsigned line, const char *func) +{ +#define write2(string) write (2, (string), strlen ((string))); + write2("mf"); +#ifdef LIBMUDFLAPTH + write2("("); + write_itoa (2, (unsigned) pthread_self ()); + write2(")"); +#endif + write2(": assertion failure: `"); + write (2, msg, strlen (msg)); + write2("' in "); + write (2, func, strlen (func)); + write2(" at "); + write (2, file, strlen (file)); + write2(":"); + write_itoa (2, line); + write2("\n"); +#undef write2 + abort (); +} + + +#endif + + + +/* Adapted splay tree code, originally from libiberty. It has been + specialized for libmudflap as requested by RMS. */ + +static void +mfsplay_tree_free (void *p) +{ + DECLARE (void, free, void *p); + CALL_REAL (free, p); +} + +static void * +mfsplay_tree_xmalloc (size_t s) +{ + DECLARE (void *, malloc, size_t s); + return CALL_REAL (malloc, s); +} + + +static void mfsplay_tree_splay (mfsplay_tree, mfsplay_tree_key); +static mfsplay_tree_node mfsplay_tree_splay_helper (mfsplay_tree, + mfsplay_tree_key, + mfsplay_tree_node *, + mfsplay_tree_node *, + mfsplay_tree_node *); + + +/* Help splay SP around KEY. PARENT and GRANDPARENT are the parent + and grandparent, respectively, of NODE. */ + +static mfsplay_tree_node +mfsplay_tree_splay_helper (mfsplay_tree sp, + mfsplay_tree_key key, + mfsplay_tree_node * node, + mfsplay_tree_node * parent, + mfsplay_tree_node * grandparent) +{ + mfsplay_tree_node *next; + mfsplay_tree_node n; + int comparison; + + n = *node; + + if (!n) + return *parent; + + comparison = ((key > n->key) ? 1 : ((key < n->key) ? -1 : 0)); + + if (comparison == 0) + /* We've found the target. */ + next = 0; + else if (comparison < 0) + /* The target is to the left. */ + next = &n->left; + else + /* The target is to the right. */ + next = &n->right; + + if (next) + { + /* Check whether our recursion depth is too high. Abort this search, + and signal that a rebalance is required to continue. */ + if (sp->depth > sp->max_depth) + { + sp->rebalance_p = 1; + return n; + } + + /* Continue down the tree. */ + sp->depth ++; + n = mfsplay_tree_splay_helper (sp, key, next, node, parent); + sp->depth --; + + /* The recursive call will change the place to which NODE + points. */ + if (*node != n || sp->rebalance_p) + return n; + } + + if (!parent) + /* NODE is the root. We are done. */ + return n; + + /* First, handle the case where there is no grandparent (i.e., + *PARENT is the root of the tree.) */ + if (!grandparent) + { + if (n == (*parent)->left) + { + *node = n->right; + n->right = *parent; + } + else + { + *node = n->left; + n->left = *parent; + } + *parent = n; + return n; + } + + /* Next handle the cases where both N and *PARENT are left children, + or where both are right children. */ + if (n == (*parent)->left && *parent == (*grandparent)->left) + { + mfsplay_tree_node p = *parent; + + (*grandparent)->left = p->right; + p->right = *grandparent; + p->left = n->right; + n->right = p; + *grandparent = n; + return n; + } + else if (n == (*parent)->right && *parent == (*grandparent)->right) + { + mfsplay_tree_node p = *parent; + + (*grandparent)->right = p->left; + p->left = *grandparent; + p->right = n->left; + n->left = p; + *grandparent = n; + return n; + } + + /* Finally, deal with the case where N is a left child, but *PARENT + is a right child, or vice versa. */ + if (n == (*parent)->left) + { + (*parent)->left = n->right; + n->right = *parent; + (*grandparent)->right = n->left; + n->left = *grandparent; + *grandparent = n; + return n; + } + else + { + (*parent)->right = n->left; + n->left = *parent; + (*grandparent)->left = n->right; + n->right = *grandparent; + *grandparent = n; + return n; + } +} + + + +static int +mfsplay_tree_rebalance_helper1 (mfsplay_tree_node n, void *array_ptr) +{ + mfsplay_tree_node **p = array_ptr; + *(*p) = n; + (*p)++; + return 0; +} + + +static mfsplay_tree_node +mfsplay_tree_rebalance_helper2 (mfsplay_tree_node * array, unsigned low, + unsigned high) +{ + unsigned middle = low + (high - low) / 2; + mfsplay_tree_node n = array[middle]; + + /* Note that since we're producing a balanced binary tree, it is not a problem + that this function is recursive. */ + if (low + 1 <= middle) + n->left = mfsplay_tree_rebalance_helper2 (array, low, middle - 1); + else + n->left = NULL; + + if (middle + 1 <= high) + n->right = mfsplay_tree_rebalance_helper2 (array, middle + 1, high); + else + n->right = NULL; + + return n; +} + + +/* Rebalance the entire tree. Do this by copying all the node + pointers into an array, then cleverly re-linking them. */ +static void +mfsplay_tree_rebalance (mfsplay_tree sp) +{ + mfsplay_tree_node *all_nodes, *all_nodes_1; + + if (sp->num_keys <= 2) + return; + + all_nodes = mfsplay_tree_xmalloc (sizeof (mfsplay_tree_node) * sp->num_keys); + + /* Traverse all nodes to copy their addresses into this array. */ + all_nodes_1 = all_nodes; + mfsplay_tree_foreach (sp, mfsplay_tree_rebalance_helper1, + (void *) &all_nodes_1); + + /* Relink all the nodes. */ + sp->root = mfsplay_tree_rebalance_helper2 (all_nodes, 0, sp->num_keys - 1); + + mfsplay_tree_free (all_nodes); +} + + +/* Splay SP around KEY. */ +static void +mfsplay_tree_splay (mfsplay_tree sp, mfsplay_tree_key key) +{ + if (sp->root == 0) + return; + + /* If we just splayed the tree with the same key, do nothing. */ + if (sp->last_splayed_key_p && + (sp->last_splayed_key == key)) + return; + + /* Compute a maximum recursion depth for a splay tree with NUM nodes. + The idea is to limit excessive stack usage if we're facing + degenerate access patterns. Unfortunately such patterns can occur + e.g. during static initialization, where many static objects might + be registered in increasing address sequence, or during a case where + large tree-like heap data structures are allocated quickly. + + On x86, this corresponds to roughly 200K of stack usage. + XXX: For libmudflapth, this could be a function of __mf_opts.thread_stack. */ + sp->max_depth = 2500; + sp->rebalance_p = sp->depth = 0; + + mfsplay_tree_splay_helper (sp, key, &sp->root, NULL, NULL); + if (sp->rebalance_p) + { + mfsplay_tree_rebalance (sp); + + sp->rebalance_p = sp->depth = 0; + mfsplay_tree_splay_helper (sp, key, &sp->root, NULL, NULL); + + if (sp->rebalance_p) + abort (); + } + + + /* Cache this splay key. */ + sp->last_splayed_key = key; + sp->last_splayed_key_p = 1; +} + + + +/* Allocate a new splay tree. */ +static mfsplay_tree +mfsplay_tree_new () +{ + mfsplay_tree sp = mfsplay_tree_xmalloc (sizeof (struct mfsplay_tree_s)); + sp->root = NULL; + sp->last_splayed_key_p = 0; + sp->num_keys = 0; + + return sp; +} + + + +/* Insert a new node (associating KEY with DATA) into SP. If a + previous node with the indicated KEY exists, its data is replaced + with the new value. Returns the new node. */ +static mfsplay_tree_node +mfsplay_tree_insert (mfsplay_tree sp, mfsplay_tree_key key, mfsplay_tree_value value) +{ + int comparison = 0; + + mfsplay_tree_splay (sp, key); + + if (sp->root) + comparison = ((sp->root->key > key) ? 1 : + ((sp->root->key < key) ? -1 : 0)); + + if (sp->root && comparison == 0) + { + /* If the root of the tree already has the indicated KEY, just + replace the value with VALUE. */ + sp->root->value = value; + } + else + { + /* Create a new node, and insert it at the root. */ + mfsplay_tree_node node; + + node = mfsplay_tree_xmalloc (sizeof (struct mfsplay_tree_node_s)); + node->key = key; + node->value = value; + sp->num_keys++; + if (!sp->root) + node->left = node->right = 0; + else if (comparison < 0) + { + node->left = sp->root; + node->right = node->left->right; + node->left->right = 0; + } + else + { + node->right = sp->root; + node->left = node->right->left; + node->right->left = 0; + } + + sp->root = node; + sp->last_splayed_key_p = 0; + } + + return sp->root; +} + +/* Remove KEY from SP. It is not an error if it did not exist. */ + +static void +mfsplay_tree_remove (mfsplay_tree sp, mfsplay_tree_key key) +{ + mfsplay_tree_splay (sp, key); + sp->last_splayed_key_p = 0; + if (sp->root && (sp->root->key == key)) + { + mfsplay_tree_node left, right; + left = sp->root->left; + right = sp->root->right; + /* Delete the root node itself. */ + mfsplay_tree_free (sp->root); + sp->num_keys--; + /* One of the children is now the root. Doesn't matter much + which, so long as we preserve the properties of the tree. */ + if (left) + { + sp->root = left; + /* If there was a right child as well, hang it off the + right-most leaf of the left child. */ + if (right) + { + while (left->right) + left = left->right; + left->right = right; + } + } + else + sp->root = right; + } +} + +/* Lookup KEY in SP, returning VALUE if present, and NULL + otherwise. */ + +static mfsplay_tree_node +mfsplay_tree_lookup (mfsplay_tree sp, mfsplay_tree_key key) +{ + mfsplay_tree_splay (sp, key); + if (sp->root && (sp->root->key == key)) + return sp->root; + else + return 0; +} + + +/* Return the immediate predecessor KEY, or NULL if there is no + predecessor. KEY need not be present in the tree. */ + +static mfsplay_tree_node +mfsplay_tree_predecessor (mfsplay_tree sp, mfsplay_tree_key key) +{ + int comparison; + mfsplay_tree_node node; + /* If the tree is empty, there is certainly no predecessor. */ + if (!sp->root) + return NULL; + /* Splay the tree around KEY. That will leave either the KEY + itself, its predecessor, or its successor at the root. */ + mfsplay_tree_splay (sp, key); + comparison = ((sp->root->key > key) ? 1 : + ((sp->root->key < key) ? -1 : 0)); + + /* If the predecessor is at the root, just return it. */ + if (comparison < 0) + return sp->root; + /* Otherwise, find the rightmost element of the left subtree. */ + node = sp->root->left; + if (node) + while (node->right) + node = node->right; + return node; +} + +/* Return the immediate successor KEY, or NULL if there is no + successor. KEY need not be present in the tree. */ + +static mfsplay_tree_node +mfsplay_tree_successor (mfsplay_tree sp, mfsplay_tree_key key) +{ + int comparison; + mfsplay_tree_node node; + /* If the tree is empty, there is certainly no successor. */ + if (!sp->root) + return NULL; + /* Splay the tree around KEY. That will leave either the KEY + itself, its predecessor, or its successor at the root. */ + mfsplay_tree_splay (sp, key); + comparison = ((sp->root->key > key) ? 1 : + ((sp->root->key < key) ? -1 : 0)); + /* If the successor is at the root, just return it. */ + if (comparison > 0) + return sp->root; + /* Otherwise, find the leftmost element of the right subtree. */ + node = sp->root->right; + if (node) + while (node->left) + node = node->left; + return node; +} + +/* Call FN, passing it the DATA, for every node in SP, following an + in-order traversal. If FN every returns a non-zero value, the + iteration ceases immediately, and the value is returned. + Otherwise, this function returns 0. + + This function simulates recursion using dynamically allocated + arrays, since it may be called from mfsplay_tree_rebalance(), which + in turn means that the tree is already uncomfortably deep for stack + space limits. */ +static int +mfsplay_tree_foreach (mfsplay_tree st, mfsplay_tree_foreach_fn fn, void *data) +{ + mfsplay_tree_node *stack1; + char *stack2; + unsigned sp; + int val = 0; + enum s { s_left, s_here, s_right, s_up }; + + if (st->root == NULL) /* => num_keys == 0 */ + return 0; + + stack1 = mfsplay_tree_xmalloc (sizeof (mfsplay_tree_node) * st->num_keys); + stack2 = mfsplay_tree_xmalloc (sizeof (char) * st->num_keys); + + sp = 0; + stack1 [sp] = st->root; + stack2 [sp] = s_left; + + while (1) + { + mfsplay_tree_node n; + enum s s; + + n = stack1 [sp]; + s = stack2 [sp]; + + /* Handle each of the four possible states separately. */ + + /* 1: We're here to traverse the left subtree (if any). */ + if (s == s_left) + { + stack2 [sp] = s_here; + if (n->left != NULL) + { + sp ++; + stack1 [sp] = n->left; + stack2 [sp] = s_left; + } + } + + /* 2: We're here to traverse this node. */ + else if (s == s_here) + { + stack2 [sp] = s_right; + val = (*fn) (n, data); + if (val) break; + } + + /* 3: We're here to traverse the right subtree (if any). */ + else if (s == s_right) + { + stack2 [sp] = s_up; + if (n->right != NULL) + { + sp ++; + stack1 [sp] = n->right; + stack2 [sp] = s_left; + } + } + + /* 4: We're here after both subtrees (if any) have been traversed. */ + else if (s == s_up) + { + /* Pop the stack. */ + if (sp == 0) break; /* Popping off the root note: we're finished! */ + sp --; + } + + else + abort (); + } + + mfsplay_tree_free (stack1); + mfsplay_tree_free (stack2); + return val; +} diff --git a/contrib/gcclibs/libmudflap/mf-runtime.h b/contrib/gcclibs/libmudflap/mf-runtime.h new file mode 100644 index 0000000..3dd9154 --- /dev/null +++ b/contrib/gcclibs/libmudflap/mf-runtime.h @@ -0,0 +1,249 @@ +/* Implementation header for mudflap runtime library. + Mudflap: narrow-pointer bounds-checking by tree rewriting. + Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + Contributed by Frank Ch. Eigler <fche@redhat.com> + and Graydon Hoare <graydon@redhat.com> + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +/* Public libmudflap declarations -*- C -*- */ + +#ifndef MF_RUNTIME_H +#define MF_RUNTIME_H + +typedef void *__mf_ptr_t; +typedef unsigned int __mf_uintptr_t __attribute__ ((__mode__ (__pointer__))); +typedef __SIZE_TYPE__ __mf_size_t; + +/* Global declarations used by instrumentation. When _MUDFLAP is + defined, these have been auto-declared by the compiler and we + should not declare them again (ideally we *would* declare them + again, to verify that the compiler's declarations match the + library's, but the C++ front end has no mechanism for allowing + the re-definition of a structure type). */ +#ifndef _MUDFLAP +struct __mf_cache { __mf_uintptr_t low; __mf_uintptr_t high; }; +extern struct __mf_cache __mf_lookup_cache []; +extern __mf_uintptr_t __mf_lc_mask; +extern unsigned char __mf_lc_shift; +#endif + +/* Multithreading support. */ +#ifdef _MUDFLAPTH +/* extern pthread_mutex_t __mf_biglock; */ +#ifndef _REENTRANT +#define _REENTRANT +#endif +#ifndef _THREAD_SAFE +#define _THREAD_SAFE +#endif +#endif + +/* Codes to describe the type of access to check: __mf_check arg 3 */ + +#define __MF_CHECK_READ 0 +#define __MF_CHECK_WRITE 1 + + +/* Codes to describe a region of memory being registered: __mf_*register arg 3 */ + +#define __MF_TYPE_NOACCESS 0 +#define __MF_TYPE_HEAP 1 +#define __MF_TYPE_HEAP_I 2 +#define __MF_TYPE_STACK 3 +#define __MF_TYPE_STATIC 4 +#define __MF_TYPE_GUESS 5 + + +/* The public mudflap API */ + +#ifdef __cplusplus +extern "C" { +#endif + +extern void __mf_check (void *ptr, __mf_size_t sz, int type, const char *location) + __attribute((nothrow)); +extern void __mf_register (void *ptr, __mf_size_t sz, int type, const char *name) + __attribute((nothrow)); +extern void __mf_unregister (void *ptr, __mf_size_t sz, int type) + __attribute((nothrow)); +extern unsigned __mf_watch (void *ptr, __mf_size_t sz); +extern unsigned __mf_unwatch (void *ptr, __mf_size_t sz); +extern void __mf_report (); +extern int __mf_set_options (const char *opts); + + +/* Redirect some standard library functions to libmudflap. These are + done by simple #define rather than linker wrapping, since only + instrumented modules are meant to be affected. */ + +#ifdef _MUDFLAP +#pragma redefine_extname memcpy __mfwrap_memcpy +#pragma redefine_extname memmove __mfwrap_memmove +#pragma redefine_extname memset __mfwrap_memset +#pragma redefine_extname memcmp __mfwrap_memcmp +#pragma redefine_extname memchr __mfwrap_memchr +#pragma redefine_extname memrchr __mfwrap_memrchr +#pragma redefine_extname strcpy __mfwrap_strcpy +#pragma redefine_extname strncpy __mfwrap_strncpy +#pragma redefine_extname strcat __mfwrap_strcat +#pragma redefine_extname strncat __mfwrap_strncat +#pragma redefine_extname strcmp __mfwrap_strcmp +#pragma redefine_extname strcasecmp __mfwrap_strcasecmp +#pragma redefine_extname strncmp __mfwrap_strncmp +#pragma redefine_extname strncasecmp __mfwrap_strncasecmp +#pragma redefine_extname strdup __mfwrap_strdup +#pragma redefine_extname strndup __mfwrap_strndup +#pragma redefine_extname strchr __mfwrap_strchr +#pragma redefine_extname strrchr __mfwrap_strrchr +#pragma redefine_extname strstr __mfwrap_strstr +#pragma redefine_extname memmem __mfwrap_memmem +#pragma redefine_extname strlen __mfwrap_strlen +#pragma redefine_extname strnlen __mfwrap_strnlen +#pragma redefine_extname bzero __mfwrap_bzero +#pragma redefine_extname bcopy __mfwrap_bcopy +#pragma redefine_extname bcmp __mfwrap_bcmp +#pragma redefine_extname index __mfwrap_index +#pragma redefine_extname rindex __mfwrap_rindex +#pragma redefine_extname asctime __mfwrap_asctime +#pragma redefine_extname ctime __mfwrap_ctime +#pragma redefine_extname gmtime __mfwrap_gmtime +#pragma redefine_extname localtime __mfwrap_localtime +#pragma redefine_extname time __mfwrap_time +#pragma redefine_extname strerror __mfwrap_strerror +#pragma redefine_extname fopen __mfwrap_fopen +#pragma redefine_extname fdopen __mfwrap_fdopen +#pragma redefine_extname freopen __mfwrap_freopen +#pragma redefine_extname fclose __mfwrap_fclose +#pragma redefine_extname fread __mfwrap_fread +#pragma redefine_extname fwrite __mfwrap_fwrite +#pragma redefine_extname fgetc __mfwrap_fgetc +#pragma redefine_extname fgets __mfwrap_fgets +#pragma redefine_extname getc __mfwrap_getc +#pragma redefine_extname gets __mfwrap_gets +#pragma redefine_extname ungetc __mfwrap_ungetc +#pragma redefine_extname fputc __mfwrap_fputc +#pragma redefine_extname fputs __mfwrap_fputs +#pragma redefine_extname putc __mfwrap_putc +#pragma redefine_extname puts __mfwrap_puts +#pragma redefine_extname clearerr __mfwrap_clearerr +#pragma redefine_extname feof __mfwrap_feof +#pragma redefine_extname ferror __mfwrap_ferror +#pragma redefine_extname fileno __mfwrap_fileno +#pragma redefine_extname printf __mfwrap_printf +#pragma redefine_extname fprintf __mfwrap_fprintf +#pragma redefine_extname sprintf __mfwrap_sprintf +#pragma redefine_extname snprintf __mfwrap_snprintf +#pragma redefine_extname vprintf __mfwrap_vprintf +#pragma redefine_extname vfprintf __mfwrap_vfprintf +#pragma redefine_extname vsprintf __mfwrap_vsprintf +#pragma redefine_extname vsnprintf __mfwrap_vsnprintf +#pragma redefine_extname access __mfwrap_access +#pragma redefine_extname remove __mfwrap_remove +#pragma redefine_extname fflush __mfwrap_fflush +#pragma redefine_extname fseek __mfwrap_fseek +#pragma redefine_extname ftell __mfwrap_ftell +#pragma redefine_extname rewind __mfwrap_rewind +#pragma redefine_extname fgetpos __mfwrap_fgetpos +#pragma redefine_extname fsetpos __mfwrap_fsetpos +#pragma redefine_extname stat __mfwrap_stat +#pragma redefine_extname fstat __mfwrap_fstat +#pragma redefine_extname lstat __mfwrap_lstat +#pragma redefine_extname mkfifo __mfwrap_mkfifo +#pragma redefine_extname setvbuf __mfwrap_setvbuf +#pragma redefine_extname setbuf __mfwrap_setbuf +#pragma redefine_extname setbuffer __mfwrap_setbuffer +#pragma redefine_extname setlinebuf __mfwrap_setlinebuf +#pragma redefine_extname opendir __mfwrap_opendir +#pragma redefine_extname closedir __mfwrap_closedir +#pragma redefine_extname readdir __mfwrap_readdir +#pragma redefine_extname recv __mfwrap_recv +#pragma redefine_extname recvfrom __mfwrap_recvfrom +#pragma redefine_extname recvmsg __mfwrap_recvmsg +#pragma redefine_extname send __mfwrap_send +#pragma redefine_extname sendto __mfwrap_sendto +#pragma redefine_extname sendmsg __mfwrap_sendmsg +#pragma redefine_extname setsockopt __mfwrap_setsockopt +#pragma redefine_extname getsockopt __mfwrap_getsockopt +#pragma redefine_extname accept __mfwrap_accept +#pragma redefine_extname bind __mfwrap_bind +#pragma redefine_extname connect __mfwrap_connect +#pragma redefine_extname gethostname __mfwrap_gethostname +#pragma redefine_extname sethostname __mfwrap_sethostname +#pragma redefine_extname gethostbyname __mfwrap_gethostbyname +#pragma redefine_extname wait __mfwrap_wait +#pragma redefine_extname waitpid __mfwrap_waitpid +#pragma redefine_extname popen __mfwrap_popen +#pragma redefine_extname pclose __mfwrap_pclose +#pragma redefine_extname execve __mfwrap_execve +#pragma redefine_extname execv __mfwrap_execv +#pragma redefine_extname execvp __mfwrap_execvp +#pragma redefine_extname system __mfwrap_system +#pragma redefine_extname dlopen __mfwrap_dlopen +#pragma redefine_extname dlerror __mfwrap_dlerror +#pragma redefine_extname dlsym __mfwrap_dlsym +#pragma redefine_extname dlclose __mfwrap_dlclose +#pragma redefine_extname fopen64 __mfwrap_fopen64 +#pragma redefine_extname freopen64 __mfwrap_freopen64 +#pragma redefine_extname stat64 __mfwrap_stat64 +#pragma redefine_extname fseeko64 __mfwrap_fseeko64 +#pragma redefine_extname ftello64 __mfwrap_ftello64 +#pragma redefine_extname semop __mfwrap_semop +#pragma redefine_extname semctl __mfwrap_semctl +#pragma redefine_extname shmctl __mfwrap_shmctl +#pragma redefine_extname shmat __mfwrap_shmat +#pragma redefine_extname shmdt __mfwrap_shmdt +#pragma redefine_extname __ctype_b_loc __mfwrap___ctype_b_loc +#pragma redefine_extname __ctype_toupper_loc __mfwrap___ctype_toupper_loc +#pragma redefine_extname __ctype_tolower_loc __mfwrap___ctype_tolower_loc +#pragma redefine_extname getlogin __mfwrap_getlogin +#pragma redefine_extname cuserid __mfwrap_cuserid +#pragma redefine_extname getpwnam __mfwrap_getpwnam +#pragma redefine_extname getpwuid __mfwrap_getpwuid +#pragma redefine_extname getgrnam __mfwrap_getgrnam +#pragma redefine_extname getgrgid __mfwrap_getgrgid +#pragma redefine_extname getservent __mfwrap_getservent +#pragma redefine_extname getservbyname __mfwrap_getservbyname +#pragma redefine_extname getservbyport __mfwrap_getservbyport +#pragma redefine_extname gai_strerror __mfwrap_gai_strerror +#pragma redefine_extname getmntent __mfwrap_getmntent +#pragma redefine_extname inet_ntoa __mfwrap_inet_ntoa +#pragma redefine_extname getprotoent __mfwrap_getprotoent +#pragma redefine_extname getprotobyname __mfwrap_getprotobyname +#pragma redefine_extname getprotobynumber __mfwrap_getprotobynumber + +/* Disable glibc macros. */ +#define __NO_STRING_INLINES + +#endif /* _MUDFLAP */ + + +#ifdef __cplusplus +} +#endif + +#endif /* MF_RUNTIME_H */ |
