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authorobrien <obrien@FreeBSD.org>2000-05-12 23:15:20 +0000
committerobrien <obrien@FreeBSD.org>2000-05-12 23:15:20 +0000
commit2a9ea95d682586d2b0c31da28d82a73d786c7c0a (patch)
tree9d4ce42d357c391a11d77254b770908c02ecf672 /contrib/binutils/ld/emultempl
parentbffe850874e72664f78cf171ab1c4339b9b63cab (diff)
downloadFreeBSD-src-2a9ea95d682586d2b0c31da28d82a73d786c7c0a.zip
FreeBSD-src-2a9ea95d682586d2b0c31da28d82a73d786c7c0a.tar.gz
Import of Binutils 2.10 snapshot.
Diffstat (limited to 'contrib/binutils/ld/emultempl')
-rw-r--r--contrib/binutils/ld/emultempl/armcoff.em292
-rw-r--r--contrib/binutils/ld/emultempl/armelf.em1293
-rw-r--r--contrib/binutils/ld/emultempl/armelf_oabi.em177
-rw-r--r--contrib/binutils/ld/emultempl/astring.sed13
-rw-r--r--contrib/binutils/ld/emultempl/elf32.em154
-rw-r--r--contrib/binutils/ld/emultempl/generic.em16
-rw-r--r--contrib/binutils/ld/emultempl/linux.em41
-rw-r--r--contrib/binutils/ld/emultempl/ostring.sed4
-rw-r--r--contrib/binutils/ld/emultempl/pe.em1189
-rw-r--r--contrib/binutils/ld/emultempl/vanilla.em12
10 files changed, 2800 insertions, 391 deletions
diff --git a/contrib/binutils/ld/emultempl/armcoff.em b/contrib/binutils/ld/emultempl/armcoff.em
new file mode 100644
index 0000000..d73b3d1
--- /dev/null
+++ b/contrib/binutils/ld/emultempl/armcoff.em
@@ -0,0 +1,292 @@
+# This shell script emits a C file. -*- C -*-
+# It does some substitutions.
+cat >e${EMULATION_NAME}.c <<EOF
+/* This file is is generated by a shell script. DO NOT EDIT! */
+
+/* emulate the original gld for the given ${EMULATION_NAME}
+ Copyright (C) 1991, 93, 96, 97, 98, 1999 Free Software Foundation, Inc.
+ Written by Steve Chamberlain steve@cygnus.com
+
+This file is part of GLD, the Gnu Linker.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#define TARGET_IS_${EMULATION_NAME}
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "bfdlink.h"
+#include "getopt.h"
+
+#include "ld.h"
+#include "ldmain.h"
+#include "ldemul.h"
+#include "ldfile.h"
+#include "ldmisc.h"
+
+#include "ldexp.h"
+#include "ldlang.h"
+
+static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
+static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
+static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
+static int gld${EMULATION_NAME}_parse_args PARAMS((int, char **));
+static void gld${EMULATION_NAME}_list_options PARAMS ((FILE *));
+static void gld${EMULATION_NAME}_finish PARAMS ((void));
+
+/* If true, then interworking stubs which support calls to old, non-interworking
+ aware ARM code should be generated. */
+
+static int support_old_code = 0;
+static char * thumb_entry_symbol = NULL;
+
+#define OPTION_SUPPORT_OLD_CODE 300
+#define OPTION_THUMB_ENTRY 301
+
+static struct option longopts[] =
+{
+ {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
+ {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
+ {NULL, no_argument, NULL, 0}
+};
+
+static void
+gld${EMULATION_NAME}_list_options (file)
+ FILE * file;
+{
+ fprintf (file, _(" --support-old-code Support interworking with old code\n"));
+ fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n"));
+}
+
+static int
+gld${EMULATION_NAME}_parse_args (argc, argv)
+ int argc;
+ char ** argv;
+{
+ int longind;
+ int optc;
+ int prevoptind = optind;
+ int prevopterr = opterr;
+ int wanterror;
+ static int lastoptind = -1;
+
+ if (lastoptind != optind)
+ opterr = 0;
+
+ wanterror = opterr;
+ lastoptind = optind;
+
+ optc = getopt_long_only (argc, argv, "-", longopts, & longind);
+ opterr = prevopterr;
+
+ switch (optc)
+ {
+ default:
+ if (wanterror)
+ xexit (1);
+ optind = prevoptind;
+ return 0;
+
+ case OPTION_SUPPORT_OLD_CODE:
+ support_old_code = 1;
+ break;
+
+ case OPTION_THUMB_ENTRY:
+ thumb_entry_symbol = optarg;
+ break;
+ }
+
+ return 1;
+}
+
+static void
+gld${EMULATION_NAME}_before_parse ()
+{
+#ifndef TARGET_ /* I.e., if not generic. */
+ ldfile_set_output_arch ("`echo ${ARCH}`");
+#endif /* not TARGET_ */
+}
+
+/* This is called after the sections have been attached to output
+ sections, but before any sizes or addresses have been set. */
+
+static void
+gld${EMULATION_NAME}_before_allocation ()
+{
+ /* we should be able to set the size of the interworking stub section */
+
+ /* Here we rummage through the found bfds to collect glue information */
+ /* FIXME: should this be based on a command line option? krk@cygnus.com */
+ {
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ if (! bfd_arm_process_before_allocation
+ (is->the_bfd, & link_info, support_old_code))
+ {
+ /* xgettext:c-format */
+ einfo (_("Errors encountered processing file %s"), is->filename);
+ }
+ }
+ }
+
+ /* We have seen it all. Allocate it, and carry on */
+ bfd_arm_allocate_interworking_sections (& link_info);
+}
+
+static void
+gld${EMULATION_NAME}_after_open ()
+{
+ if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
+ {
+ /* The arm backend needs special fields in the output hash structure.
+ These will only be created if the output format is an arm format,
+ hence we do not support linking and changing output formats at the
+ same time. Use a link followed by objcopy to change output formats. */
+ einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
+ return;
+ }
+
+ {
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
+ break;
+ }
+ }
+}
+
+static void
+gld${EMULATION_NAME}_finish PARAMS((void))
+{
+ struct bfd_link_hash_entry * h;
+
+ if (thumb_entry_symbol == NULL)
+ return;
+
+ h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, false, false, true);
+
+ if (h != (struct bfd_link_hash_entry *) NULL
+ && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak)
+ && h->u.def.section->output_section != NULL)
+ {
+ static char buffer[32];
+ bfd_vma val;
+
+ /* Special procesing is required for a Thumb entry symbol. The
+ bottom bit of its address must be set. */
+ val = (h->u.def.value
+ + bfd_get_section_vma (output_bfd,
+ h->u.def.section->output_section)
+ + h->u.def.section->output_offset);
+
+ val |= 1;
+
+ /* Now convert this value into a string and store it in entry_symbol
+ where the lang_finish() function will pick it up. */
+ buffer[0] = '0';
+ buffer[1] = 'x';
+
+ sprintf_vma (buffer + 2, val);
+
+ if (entry_symbol != NULL && entry_from_cmdline)
+ einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
+ thumb_entry_symbol, entry_symbol);
+ entry_symbol = buffer;
+ }
+ else
+ einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
+}
+
+static char *
+gld${EMULATION_NAME}_get_script (isfile)
+ int *isfile;
+EOF
+
+if test -n "$COMPILE_IN"
+then
+# Scripts compiled in.
+
+# sed commands to quote an ld script as a C string.
+sc="-f stringify.sed"
+
+cat >>e${EMULATION_NAME}.c <<EOF
+{
+ *isfile = 0;
+
+ if (link_info.relocateable == true && config.build_constructors == true)
+ return
+EOF
+sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
+echo ' ; else return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
+echo '; }' >> e${EMULATION_NAME}.c
+
+else
+# Scripts read from the filesystem.
+
+cat >>e${EMULATION_NAME}.c <<EOF
+{
+ *isfile = 1;
+
+ if (link_info.relocateable == true && config.build_constructors == true)
+ return "ldscripts/${EMULATION_NAME}.xu";
+ else if (link_info.relocateable == true)
+ return "ldscripts/${EMULATION_NAME}.xr";
+ else if (!config.text_read_only)
+ return "ldscripts/${EMULATION_NAME}.xbn";
+ else if (!config.magic_demand_paged)
+ return "ldscripts/${EMULATION_NAME}.xn";
+ else
+ return "ldscripts/${EMULATION_NAME}.x";
+}
+EOF
+
+fi
+
+cat >>e${EMULATION_NAME}.c <<EOF
+
+struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
+{
+ gld${EMULATION_NAME}_before_parse,
+ syslib_default,
+ hll_default,
+ after_parse_default,
+ gld${EMULATION_NAME}_after_open,
+ after_allocation_default,
+ set_output_arch_default,
+ ldemul_default_target,
+ gld${EMULATION_NAME}_before_allocation,
+ gld${EMULATION_NAME}_get_script,
+ "${EMULATION_NAME}",
+ "${OUTPUT_FORMAT}",
+ gld${EMULATION_NAME}_finish,
+ NULL, /* create output section statements */
+ NULL, /* open dynamic archive */
+ NULL, /* place orphan */
+ NULL, /* set symbols */
+ gld${EMULATION_NAME}_parse_args,
+ NULL, /* unrecognised file */
+ gld${EMULATION_NAME}_list_options,
+ NULL, /* recognized file */
+ NULL /* find_potential_libraries */
+};
+EOF
diff --git a/contrib/binutils/ld/emultempl/armelf.em b/contrib/binutils/ld/emultempl/armelf.em
new file mode 100644
index 0000000..9abf7f1
--- /dev/null
+++ b/contrib/binutils/ld/emultempl/armelf.em
@@ -0,0 +1,1293 @@
+# This shell script emits a C file. -*- C -*-
+# It does some substitutions.
+ELFSIZE=32
+cat >e${EMULATION_NAME}.c <<EOF
+/* This file is is generated by a shell script. DO NOT EDIT! */
+
+/* emulate the original gld for the given ${EMULATION_NAME}
+ Copyright (C) 1991, 93, 96, 97, 98, 1999 Free Software Foundation, Inc.
+ Written by Steve Chamberlain steve@cygnus.com
+
+This file is part of GLD, the Gnu Linker.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#define TARGET_IS_${EMULATION_NAME}
+
+#include "bfd.h"
+#include "sysdep.h"
+
+#include <ctype.h>
+
+#include "bfdlink.h"
+#include "getopt.h"
+
+#include "ld.h"
+#include "ldmain.h"
+#include "ldemul.h"
+#include "ldfile.h"
+#include "ldmisc.h"
+
+#include "ldexp.h"
+#include "ldlang.h"
+#include "ldgram.h"
+
+static boolean gld${EMULATION_NAME}_open_dynamic_archive
+ PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *));
+static void gld${EMULATION_NAME}_after_open PARAMS ((void));
+static void gld${EMULATION_NAME}_check_needed
+ PARAMS ((lang_input_statement_type *));
+static void gld${EMULATION_NAME}_stat_needed
+ PARAMS ((lang_input_statement_type *));
+static boolean gld${EMULATION_NAME}_search_needed
+ PARAMS ((const char *, const char *, int));
+static boolean gld${EMULATION_NAME}_try_needed PARAMS ((const char *, int));
+static void gld${EMULATION_NAME}_vercheck
+ PARAMS ((lang_input_statement_type *));
+static void gld${EMULATION_NAME}_find_statement_assignment
+ PARAMS ((lang_statement_union_type *));
+static void gld${EMULATION_NAME}_find_exp_assignment PARAMS ((etree_type *));
+static boolean gld${EMULATION_NAME}_place_orphan
+ PARAMS ((lang_input_statement_type *, asection *));
+static void gld${EMULATION_NAME}_place_section
+ PARAMS ((lang_statement_union_type *));
+static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
+static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
+static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
+static int gld${EMULATION_NAME}_parse_args PARAMS((int, char **));
+static void gld${EMULATION_NAME}_list_options PARAMS ((FILE *));
+static void gld${EMULATION_NAME}_finish PARAMS ((void));
+
+
+static int no_pipeline_knowledge = 0;
+static char * thumb_entry_symbol = NULL;
+
+#define OPTION_THUMB_ENTRY 301
+
+static struct option longopts[] =
+{
+ { "no-pipeline-knowledge", no_argument, NULL, 'p'},
+ { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
+ { NULL, no_argument, NULL, 0 }
+};
+
+static void
+gld${EMULATION_NAME}_list_options (file)
+ FILE * file;
+{
+ fprintf (file, _(" -p --no-pipeline-knowledge Stop the linker knowing about the pipeline length\n"));
+ fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n"));
+}
+
+static int
+gld${EMULATION_NAME}_parse_args (argc, argv)
+ int argc;
+ char ** argv;
+{
+ int longind;
+ int optc;
+ int prevoptind = optind;
+ int prevopterr = opterr;
+ int wanterror;
+ static int lastoptind = -1;
+
+ if (lastoptind != optind)
+ opterr = 0;
+
+ wanterror = opterr;
+ lastoptind = optind;
+
+ optc = getopt_long_only (argc, argv, "-p", longopts, & longind);
+ opterr = prevopterr;
+
+ switch (optc)
+ {
+ default:
+ if (wanterror)
+ xexit (1);
+ optind = prevoptind;
+ return 0;
+
+ case 'p':
+ no_pipeline_knowledge = 1;
+ break;
+
+ case OPTION_THUMB_ENTRY:
+ thumb_entry_symbol = optarg;
+ break;
+ }
+
+ return 1;
+}
+
+
+static void
+gld${EMULATION_NAME}_before_parse ()
+{
+#ifndef TARGET_ /* I.e., if not generic. */
+ ldfile_set_output_arch ("`echo ${ARCH}`");
+#endif /* not TARGET_ */
+ config.dynamic_link = ${DYNAMIC_LINK-true};
+ config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo true ; else echo false ; fi`;
+}
+
+/* Try to open a dynamic archive. This is where we know that ELF
+ dynamic libraries have an extension of .so. */
+
+static boolean
+gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
+ const char *arch;
+ search_dirs_type *search;
+ lang_input_statement_type *entry;
+{
+ const char *filename;
+ char *string;
+
+ if (! entry->is_archive)
+ return false;
+
+ filename = entry->filename;
+
+ string = (char *) xmalloc (strlen (search->name)
+ + strlen (filename)
+ + strlen (arch)
+ + sizeof "/lib.so");
+
+ sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
+
+ if (! ldfile_try_open_bfd (string, entry))
+ {
+ free (string);
+ return false;
+ }
+
+ entry->filename = string;
+
+ /* We have found a dynamic object to include in the link. The ELF
+ backend linker will create a DT_NEEDED entry in the .dynamic
+ section naming this file. If this file includes a DT_SONAME
+ entry, it will be used. Otherwise, the ELF linker will just use
+ the name of the file. For an archive found by searching, like
+ this one, the DT_NEEDED entry should consist of just the name of
+ the file, without the path information used to find it. Note
+ that we only need to do this if we have a dynamic object; an
+ archive will never be referenced by a DT_NEEDED entry.
+
+ FIXME: This approach--using bfd_elf_set_dt_needed_name--is not
+ very pretty. I haven't been able to think of anything that is
+ pretty, though. */
+ if (bfd_check_format (entry->the_bfd, bfd_object)
+ && (entry->the_bfd->flags & DYNAMIC) != 0)
+ {
+ char *needed_name;
+
+ ASSERT (entry->is_archive && entry->search_dirs_flag);
+ needed_name = (char *) xmalloc (strlen (filename)
+ + strlen (arch)
+ + sizeof "lib.so");
+ sprintf (needed_name, "lib%s%s.so", filename, arch);
+ bfd_elf_set_dt_needed_name (entry->the_bfd, needed_name);
+ }
+
+ return true;
+}
+
+EOF
+if [ "x${host}" = "x${target}" ] ; then
+ case " ${EMULATION_LIBPATH} " in
+ *" ${EMULATION_NAME} "*)
+cat >>e${EMULATION_NAME}.c <<EOF
+
+/* For a native linker, check the file /etc/ld.so.conf for directories
+ in which we may find shared libraries. /etc/ld.so.conf is really
+ only meaningful on Linux, but we check it on other systems anyhow. */
+
+static boolean gld${EMULATION_NAME}_check_ld_so_conf
+ PARAMS ((const char *, int));
+
+static boolean
+gld${EMULATION_NAME}_check_ld_so_conf (name, force)
+ const char *name;
+ int force;
+{
+ static boolean initialized;
+ static char *ld_so_conf;
+
+ if (! initialized)
+ {
+ FILE *f;
+
+ f = fopen ("/etc/ld.so.conf", FOPEN_RT);
+ if (f != NULL)
+ {
+ char *b;
+ size_t len, alloc;
+ int c;
+
+ len = 0;
+ alloc = 100;
+ b = (char *) xmalloc (alloc);
+
+ while ((c = getc (f)) != EOF)
+ {
+ if (len + 1 >= alloc)
+ {
+ alloc *= 2;
+ b = (char *) xrealloc (b, alloc);
+ }
+ if (c != ':'
+ && c != ' '
+ && c != '\t'
+ && c != '\n'
+ && c != ',')
+ {
+ b[len] = c;
+ ++len;
+ }
+ else
+ {
+ if (len > 0 && b[len - 1] != ':')
+ {
+ b[len] = ':';
+ ++len;
+ }
+ }
+ }
+
+ if (len > 0 && b[len - 1] == ':')
+ --len;
+
+ if (len > 0)
+ b[len] = '\0';
+ else
+ {
+ free (b);
+ b = NULL;
+ }
+
+ fclose (f);
+
+ ld_so_conf = b;
+ }
+
+ initialized = true;
+ }
+
+ if (ld_so_conf == NULL)
+ return false;
+
+ return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force);
+}
+
+EOF
+ ;;
+ esac
+fi
+cat >>e${EMULATION_NAME}.c <<EOF
+
+/* These variables are required to pass information back and forth
+ between after_open and check_needed and stat_needed and vercheck. */
+
+static struct bfd_link_needed_list *global_needed;
+static struct stat global_stat;
+static boolean global_found;
+static struct bfd_link_needed_list *global_vercheck_needed;
+static boolean global_vercheck_failed;
+
+static void
+gld${EMULATION_NAME}_after_open ()
+{
+ struct bfd_link_needed_list *needed, *l;
+
+ if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
+ {
+ /* The arm backend needs special fields in the output hash structure.
+ These will only be created if the output format is an arm format,
+ hence we do not support linking and changing output formats at the
+ same time. Use a link followed by objcopy to change output formats. */
+ einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
+ return;
+ }
+
+ {
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ /* The interworking bfd must be the last one to be processed */
+ if (!is->next)
+ bfd_elf32_arm_get_bfd_for_interworking (is->the_bfd, & link_info);
+ }
+ }
+
+ /* We only need to worry about this when doing a final link. */
+ if (link_info.relocateable || link_info.shared)
+ return;
+
+ /* Get the list of files which appear in DT_NEEDED entries in
+ dynamic objects included in the link (often there will be none).
+ For each such file, we want to track down the corresponding
+ library, and include the symbol table in the link. This is what
+ the runtime dynamic linker will do. Tracking the files down here
+ permits one dynamic object to include another without requiring
+ special action by the person doing the link. Note that the
+ needed list can actually grow while we are stepping through this
+ loop. */
+ needed = bfd_elf_get_needed_list (output_bfd, &link_info);
+ for (l = needed; l != NULL; l = l->next)
+ {
+ struct bfd_link_needed_list *ll;
+ int force;
+
+ /* If we've already seen this file, skip it. */
+ for (ll = needed; ll != l; ll = ll->next)
+ if (strcmp (ll->name, l->name) == 0)
+ break;
+ if (ll != l)
+ continue;
+
+ /* See if this file was included in the link explicitly. */
+ global_needed = l;
+ global_found = false;
+ lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
+ if (global_found)
+ continue;
+
+ /* We need to find this file and include the symbol table. We
+ want to search for the file in the same way that the dynamic
+ linker will search. That means that we want to use
+ rpath_link, rpath, then the environment variable
+ LD_LIBRARY_PATH (native only), then the linker script
+ LIB_SEARCH_DIRS. We do not search using the -L arguments.
+
+ We search twice. The first time, we skip objects which may
+ introduce version mismatches. The second time, we force
+ their use. See gld${EMULATION_NAME}_vercheck comment. */
+ for (force = 0; force < 2; force++)
+ {
+ const char *lib_path;
+ size_t len;
+ search_dirs_type *search;
+
+ if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
+ l->name, force))
+ break;
+ if (gld${EMULATION_NAME}_search_needed (command_line.rpath,
+ l->name, force))
+ break;
+ if (command_line.rpath_link == NULL
+ && command_line.rpath == NULL)
+ {
+ lib_path = (const char *) getenv ("LD_RUN_PATH");
+ if (gld${EMULATION_NAME}_search_needed (lib_path, l->name,
+ force))
+ break;
+ }
+EOF
+if [ "x${host}" = "x${target}" ] ; then
+ case " ${EMULATION_LIBPATH} " in
+ *" ${EMULATION_NAME} "*)
+cat >>e${EMULATION_NAME}.c <<EOF
+ lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
+ if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force))
+ break;
+EOF
+ ;;
+ esac
+fi
+cat >>e${EMULATION_NAME}.c <<EOF
+ len = strlen (l->name);
+ for (search = search_head; search != NULL; search = search->next)
+ {
+ char *filename;
+
+ if (search->cmdline)
+ continue;
+ filename = (char *) xmalloc (strlen (search->name) + len + 2);
+ sprintf (filename, "%s/%s", search->name, l->name);
+ if (gld${EMULATION_NAME}_try_needed (filename, force))
+ break;
+ free (filename);
+ }
+ if (search != NULL)
+ break;
+EOF
+if [ "x${host}" = "x${target}" ] ; then
+ case " ${EMULATION_LIBPATH} " in
+ *" ${EMULATION_NAME} "*)
+cat >>e${EMULATION_NAME}.c <<EOF
+ if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
+ break;
+EOF
+ ;;
+ esac
+fi
+cat >>e${EMULATION_NAME}.c <<EOF
+ }
+
+ if (force < 2)
+ continue;
+
+ einfo ("%P: warning: %s, needed by %B, not found (try using --rpath)\n",
+ l->name, l->by);
+ }
+}
+
+/* Search for a needed file in a path. */
+
+static boolean
+gld${EMULATION_NAME}_search_needed (path, name, force)
+ const char *path;
+ const char *name;
+ int force;
+{
+ const char *s;
+ size_t len;
+
+ if (path == NULL || *path == '\0')
+ return false;
+ len = strlen (name);
+ while (1)
+ {
+ char *filename, *sset;
+
+ s = strchr (path, ':');
+ if (s == NULL)
+ s = path + strlen (path);
+
+ filename = (char *) xmalloc (s - path + len + 2);
+ if (s == path)
+ sset = filename;
+ else
+ {
+ memcpy (filename, path, s - path);
+ filename[s - path] = '/';
+ sset = filename + (s - path) + 1;
+ }
+ strcpy (sset, name);
+
+ if (gld${EMULATION_NAME}_try_needed (filename, force))
+ return true;
+
+ free (filename);
+
+ if (*s == '\0')
+ break;
+ path = s + 1;
+ }
+
+ return false;
+}
+
+/* This function is called for each possible name for a dynamic object
+ named by a DT_NEEDED entry. The FORCE parameter indicates whether
+ to skip the check for a conflicting version. */
+
+static boolean
+gld${EMULATION_NAME}_try_needed (name, force)
+ const char *name;
+ int force;
+{
+ bfd *abfd;
+
+ abfd = bfd_openr (name, bfd_get_target (output_bfd));
+ if (abfd == NULL)
+ return false;
+ if (! bfd_check_format (abfd, bfd_object))
+ {
+ (void) bfd_close (abfd);
+ return false;
+ }
+ if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
+ {
+ (void) bfd_close (abfd);
+ return false;
+ }
+
+ /* Check whether this object would include any conflicting library
+ versions. If FORCE is set, then we skip this check; we use this
+ the second time around, if we couldn't find any compatible
+ instance of the shared library. */
+
+ if (! force)
+ {
+ struct bfd_link_needed_list *needed;
+
+ if (! bfd_elf_get_bfd_needed_list (abfd, &needed))
+ einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd);
+
+ if (needed != NULL)
+ {
+ global_vercheck_needed = needed;
+ global_vercheck_failed = false;
+ lang_for_each_input_file (gld${EMULATION_NAME}_vercheck);
+ if (global_vercheck_failed)
+ {
+ (void) bfd_close (abfd);
+ /* Return false to force the caller to move on to try
+ another file on the search path. */
+ return false;
+ }
+
+ /* But wait! It gets much worse. On Linux, if a shared
+ library does not use libc at all, we are supposed to skip
+ it the first time around in case we encounter a shared
+ library later on with the same name which does use the
+ version of libc that we want. This is much too horrible
+ to use on any system other than Linux. */
+
+EOF
+case ${target} in
+ *-*-linux-gnu*)
+ cat >>e${EMULATION_NAME}.c <<EOF
+ {
+ struct bfd_link_needed_list *l;
+
+ for (l = needed; l != NULL; l = l->next)
+ if (strncmp (l->name, "libc.so", 7) == 0)
+ break;
+ if (l == NULL)
+ {
+ (void) bfd_close (abfd);
+ return false;
+ }
+ }
+
+EOF
+ ;;
+esac
+cat >>e${EMULATION_NAME}.c <<EOF
+ }
+ }
+
+ /* We've found a dynamic object matching the DT_NEEDED entry. */
+
+ /* We have already checked that there is no other input file of the
+ same name. We must now check again that we are not including the
+ same file twice. We need to do this because on many systems
+ libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will
+ reference libc.so.1. If we have already included libc.so, we
+ don't want to include libc.so.1 if they are the same file, and we
+ can only check that using stat. */
+
+ if (bfd_stat (abfd, &global_stat) != 0)
+ einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd);
+ global_found = false;
+ lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed);
+ if (global_found)
+ {
+ /* Return true to indicate that we found the file, even though
+ we aren't going to do anything with it. */
+ return true;
+ }
+
+ /* Tell the ELF backend that don't want the output file to have a
+ DT_NEEDED entry for this file. */
+ bfd_elf_set_dt_needed_name (abfd, "");
+
+ /* Add this file into the symbol table. */
+ if (! bfd_link_add_symbols (abfd, &link_info))
+ einfo ("%F%B: could not read symbols: %E\n", abfd);
+
+ return true;
+}
+
+/* See if an input file matches a DT_NEEDED entry by name. */
+
+static void
+gld${EMULATION_NAME}_check_needed (s)
+ lang_input_statement_type *s;
+{
+ if (global_found)
+ return;
+
+ if (s->filename != NULL
+ && strcmp (s->filename, global_needed->name) == 0)
+ {
+ global_found = true;
+ return;
+ }
+
+ if (s->the_bfd != NULL)
+ {
+ const char *soname;
+
+ soname = bfd_elf_get_dt_soname (s->the_bfd);
+ if (soname != NULL
+ && strcmp (soname, global_needed->name) == 0)
+ {
+ global_found = true;
+ return;
+ }
+ }
+
+ if (s->search_dirs_flag
+ && s->filename != NULL
+ && strchr (global_needed->name, '/') == NULL)
+ {
+ const char *f;
+
+ f = strrchr (s->filename, '/');
+ if (f != NULL
+ && strcmp (f + 1, global_needed->name) == 0)
+ {
+ global_found = true;
+ return;
+ }
+ }
+}
+
+/* See if an input file matches a DT_NEEDED entry by running stat on
+ the file. */
+
+static void
+gld${EMULATION_NAME}_stat_needed (s)
+ lang_input_statement_type *s;
+{
+ struct stat st;
+ const char *suffix;
+ const char *soname;
+ const char *f;
+
+ if (global_found)
+ return;
+ if (s->the_bfd == NULL)
+ return;
+
+ if (bfd_stat (s->the_bfd, &st) != 0)
+ {
+ einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd);
+ return;
+ }
+
+ if (st.st_dev == global_stat.st_dev
+ && st.st_ino == global_stat.st_ino)
+ {
+ global_found = true;
+ return;
+ }
+
+ /* We issue a warning if it looks like we are including two
+ different versions of the same shared library. For example,
+ there may be a problem if -lc picks up libc.so.6 but some other
+ shared library has a DT_NEEDED entry of libc.so.5. This is a
+ hueristic test, and it will only work if the name looks like
+ NAME.so.VERSION. FIXME: Depending on file names is error-prone.
+ If we really want to issue warnings about mixing version numbers
+ of shared libraries, we need to find a better way. */
+
+ if (strchr (global_needed->name, '/') != NULL)
+ return;
+ suffix = strstr (global_needed->name, ".so.");
+ if (suffix == NULL)
+ return;
+ suffix += sizeof ".so." - 1;
+
+ soname = bfd_elf_get_dt_soname (s->the_bfd);
+ if (soname == NULL)
+ soname = s->filename;
+
+ f = strrchr (soname, '/');
+ if (f != NULL)
+ ++f;
+ else
+ f = soname;
+
+ if (strncmp (f, global_needed->name, suffix - global_needed->name) == 0)
+ einfo ("%P: warning: %s, needed by %B, may conflict with %s\n",
+ global_needed->name, global_needed->by, f);
+}
+
+/* On Linux, it's possible to have different versions of the same
+ shared library linked against different versions of libc. The
+ dynamic linker somehow tags which libc version to use in
+ /etc/ld.so.cache, and, based on the libc that it sees in the
+ executable, chooses which version of the shared library to use.
+
+ We try to do a similar check here by checking whether this shared
+ library needs any other shared libraries which may conflict with
+ libraries we have already included in the link. If it does, we
+ skip it, and try to find another shared library farther on down the
+ link path.
+
+ This is called via lang_for_each_input_file.
+ GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object
+ which we ar checking. This sets GLOBAL_VERCHECK_FAILED if we find
+ a conflicting version. */
+
+static void
+gld${EMULATION_NAME}_vercheck (s)
+ lang_input_statement_type *s;
+{
+ const char *soname, *f;
+ struct bfd_link_needed_list *l;
+
+ if (global_vercheck_failed)
+ return;
+ if (s->the_bfd == NULL
+ || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0)
+ return;
+
+ soname = bfd_elf_get_dt_soname (s->the_bfd);
+ if (soname == NULL)
+ soname = bfd_get_filename (s->the_bfd);
+
+ f = strrchr (soname, '/');
+ if (f != NULL)
+ ++f;
+ else
+ f = soname;
+
+ for (l = global_vercheck_needed; l != NULL; l = l->next)
+ {
+ const char *suffix;
+
+ if (strcmp (f, l->name) == 0)
+ {
+ /* Probably can't happen, but it's an easy check. */
+ continue;
+ }
+
+ if (strchr (l->name, '/') != NULL)
+ continue;
+
+ suffix = strstr (l->name, ".so.");
+ if (suffix == NULL)
+ continue;
+
+ suffix += sizeof ".so." - 1;
+
+ if (strncmp (f, l->name, suffix - l->name) == 0)
+ {
+ /* Here we know that S is a dynamic object FOO.SO.VER1, and
+ the object we are considering needs a dynamic object
+ FOO.SO.VER2, and VER1 and VER2 are different. This
+ appears to be a version mismatch, so we tell the caller
+ to try a different version of this library. */
+ global_vercheck_failed = true;
+ return;
+ }
+ }
+}
+
+/* Place an orphan section. We use this to put random SHF_ALLOC
+ sections in the right segment. */
+
+static asection *hold_section;
+static lang_output_section_statement_type *hold_use;
+static lang_output_section_statement_type *hold_text;
+static lang_output_section_statement_type *hold_rodata;
+static lang_output_section_statement_type *hold_data;
+static lang_output_section_statement_type *hold_bss;
+static lang_output_section_statement_type *hold_rel;
+static lang_output_section_statement_type *hold_interp;
+
+/*ARGSUSED*/
+static boolean
+gld${EMULATION_NAME}_place_orphan (file, s)
+ lang_input_statement_type *file;
+ asection *s;
+{
+ lang_output_section_statement_type *place;
+ asection *snew, **pps;
+ lang_statement_list_type *old;
+ lang_statement_list_type add;
+ etree_type *address;
+ const char *secname, *ps;
+ const char *outsecname;
+ lang_output_section_statement_type *os;
+
+ if ((s->flags & SEC_ALLOC) == 0)
+ return false;
+
+ /* Look through the script to see where to place this section. */
+ hold_section = s;
+ hold_use = NULL;
+ lang_for_each_statement (gld${EMULATION_NAME}_place_section);
+
+ if (hold_use != NULL)
+ {
+ /* We have already placed a section with this name. */
+ wild_doit (&hold_use->children, s, hold_use, file);
+ return true;
+ }
+
+ secname = bfd_get_section_name (s->owner, s);
+
+ /* If this is a final link, then always put .gnu.warning.SYMBOL
+ sections into the .text section to get them out of the way. */
+ if (! link_info.shared
+ && ! link_info.relocateable
+ && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0
+ && hold_text != NULL)
+ {
+ wild_doit (&hold_text->children, s, hold_text, file);
+ return true;
+ }
+
+ /* Decide which segment the section should go in based on the
+ section name and section flags. We put loadable .note sections
+ right after the .interp section, so that the PT_NOTE segment is
+ stored right after the program headers where the OS can read it
+ in the first page. */
+ place = NULL;
+ if (s->flags & SEC_EXCLUDE)
+ return false;
+ else if ((s->flags & SEC_LOAD) != 0
+ && strncmp (secname, ".note", 4) == 0
+ && hold_interp != NULL)
+ place = hold_interp;
+ else if ((s->flags & SEC_HAS_CONTENTS) == 0
+ && hold_bss != NULL)
+ place = hold_bss;
+ else if ((s->flags & SEC_READONLY) == 0
+ && hold_data != NULL)
+ place = hold_data;
+ else if (strncmp (secname, ".rel", 4) == 0
+ && hold_rel != NULL)
+ place = hold_rel;
+ else if ((s->flags & SEC_CODE) == 0
+ && (s->flags & SEC_READONLY) != 0
+ && hold_rodata != NULL)
+ place = hold_rodata;
+ else if ((s->flags & SEC_READONLY) != 0
+ && hold_text != NULL)
+ place = hold_text;
+ if (place == NULL)
+ return false;
+
+ /* Choose a unique name for the section. This will be needed if the
+ same section name appears in the input file with different
+ loadable or allocateable characteristics. */
+ outsecname = secname;
+ if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
+ {
+ unsigned int len;
+ char *newname;
+ unsigned int i;
+
+ len = strlen (outsecname);
+ newname = xmalloc (len + 5);
+ strcpy (newname, outsecname);
+ i = 0;
+ do
+ {
+ sprintf (newname + len, "%d", i);
+ ++i;
+ }
+ while (bfd_get_section_by_name (output_bfd, newname) != NULL);
+
+ outsecname = newname;
+ }
+
+ /* Create the section in the output file, and put it in the right
+ place. This shuffling is to make the output file look neater. */
+ snew = bfd_make_section (output_bfd, outsecname);
+ if (snew == NULL)
+ einfo ("%P%F: output format %s cannot represent section called %s\n",
+ output_bfd->xvec->name, outsecname);
+ if (place->bfd_section != NULL)
+ {
+ for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
+ ;
+ *pps = snew->next;
+ snew->next = place->bfd_section->next;
+ place->bfd_section->next = snew;
+ }
+
+ /* Start building a list of statements for this section. */
+ old = stat_ptr;
+ stat_ptr = &add;
+ lang_list_init (stat_ptr);
+
+ /* If the name of the section is representable in C, then create
+ symbols to mark the start and the end of the section. */
+ for (ps = outsecname; *ps != '\0'; ps++)
+ if (! isalnum ((unsigned char) *ps) && *ps != '_')
+ break;
+ if (*ps == '\0' && config.build_constructors)
+ {
+ char *symname;
+
+ symname = (char *) xmalloc (ps - outsecname + sizeof "__start_");
+ sprintf (symname, "__start_%s", outsecname);
+ lang_add_assignment (exp_assop ('=', symname,
+ exp_unop (ALIGN_K,
+ exp_intop ((bfd_vma) 1
+ << s->alignment_power))));
+ }
+
+ if (! link_info.relocateable)
+ address = NULL;
+ else
+ address = exp_intop ((bfd_vma) 0);
+
+ lang_enter_output_section_statement (outsecname, address, 0,
+ (bfd_vma) 0,
+ (etree_type *) NULL,
+ (etree_type *) NULL,
+ (etree_type *) NULL);
+
+ os = lang_output_section_statement_lookup (outsecname);
+ wild_doit (&os->children, s, os, file);
+
+ lang_leave_output_section_statement
+ ((bfd_vma) 0, "*default*", (struct lang_output_section_phdr_list *) NULL,
+ "*default*");
+ stat_ptr = &add;
+
+ if (*ps == '\0' && config.build_constructors)
+ {
+ char *symname;
+
+ symname = (char *) xmalloc (ps - outsecname + sizeof "__stop_");
+ sprintf (symname, "__stop_%s", outsecname);
+ lang_add_assignment (exp_assop ('=', symname,
+ exp_nameop (NAME, ".")));
+ }
+
+ /* Now stick the new statement list right after PLACE. */
+ *add.tail = place->header.next;
+ place->header.next = add.head;
+
+ stat_ptr = old;
+
+ return true;
+}
+
+static void
+gld${EMULATION_NAME}_place_section (s)
+ lang_statement_union_type *s;
+{
+ lang_output_section_statement_type *os;
+
+ if (s->header.type != lang_output_section_statement_enum)
+ return;
+
+ os = &s->output_section_statement;
+
+ if (strcmp (os->name, hold_section->name) == 0
+ && os->bfd_section != NULL
+ && ((hold_section->flags & (SEC_LOAD | SEC_ALLOC))
+ == (os->bfd_section->flags & (SEC_LOAD | SEC_ALLOC))))
+ hold_use = os;
+
+ if (strcmp (os->name, ".text") == 0)
+ hold_text = os;
+ else if (strcmp (os->name, ".rodata") == 0)
+ hold_rodata = os;
+ else if (strcmp (os->name, ".data") == 0)
+ hold_data = os;
+ else if (strcmp (os->name, ".bss") == 0)
+ hold_bss = os;
+ else if (hold_rel == NULL
+ && os->bfd_section != NULL
+ && (os->bfd_section->flags & SEC_ALLOC) != 0
+ && strncmp (os->name, ".rel", 4) == 0)
+ hold_rel = os;
+ else if (strcmp (os->name, ".interp") == 0)
+ hold_interp = os;
+}
+
+/* Look through an expression for an assignment statement. */
+
+static void
+gld${EMULATION_NAME}_find_exp_assignment (exp)
+ etree_type *exp;
+{
+ struct bfd_link_hash_entry *h;
+
+ switch (exp->type.node_class)
+ {
+ case etree_provide:
+ h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
+ false, false, false);
+ if (h == NULL)
+ break;
+
+ /* We call record_link_assignment even if the symbol is defined.
+ This is because if it is defined by a dynamic object, we
+ actually want to use the value defined by the linker script,
+ not the value from the dynamic object (because we are setting
+ symbols like etext). If the symbol is defined by a regular
+ object, then, as it happens, calling record_link_assignment
+ will do no harm. */
+
+ /* Fall through. */
+ case etree_assign:
+ if (strcmp (exp->assign.dst, ".") != 0)
+ {
+ if (! (bfd_elf${ELFSIZE}_record_link_assignment
+ (output_bfd, &link_info, exp->assign.dst,
+ exp->type.node_class == etree_provide ? true : false)))
+ einfo ("%P%F: failed to record assignment to %s: %E\n",
+ exp->assign.dst);
+ }
+ gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
+ break;
+
+ case etree_binary:
+ gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
+ gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
+ break;
+
+ case etree_trinary:
+ gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
+ gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
+ gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
+ break;
+
+ case etree_unary:
+ gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
+ break;
+
+ default:
+ break;
+ }
+}
+
+/* This is called by the before_allocation routine via
+ lang_for_each_statement. It locates any assignment statements, and
+ tells the ELF backend about them, in case they are assignments to
+ symbols which are referred to by dynamic objects. */
+
+static void
+gld${EMULATION_NAME}_find_statement_assignment (s)
+ lang_statement_union_type *s;
+{
+ if (s->header.type == lang_assignment_statement_enum)
+ gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
+}
+
+/* This is called after the sections have been attached to output
+ sections, but before any sizes or addresses have been set. */
+
+static void
+gld${EMULATION_NAME}_before_allocation ()
+{
+ const char *rpath;
+ asection *sinterp;
+
+ /* If we are going to make any variable assignments, we need to let
+ the ELF backend know about them in case the variables are
+ referred to by dynamic objects. */
+ lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
+
+ /* Let the ELF backend work out the sizes of any sections required
+ by dynamic linking. */
+ rpath = command_line.rpath;
+ if (rpath == NULL)
+ rpath = (const char *) getenv ("LD_RUN_PATH");
+ if (! (bfd_elf${ELFSIZE}_size_dynamic_sections
+ (output_bfd, command_line.soname, rpath,
+ command_line.export_dynamic, command_line.filter_shlib,
+ (const char * const *) command_line.auxiliary_filters,
+ &link_info, &sinterp, lang_elf_version_info)))
+ einfo ("%P%F: failed to set dynamic section sizes: %E\n");
+
+ /* Let the user override the dynamic linker we are using. */
+ if (command_line.interpreter != NULL
+ && sinterp != NULL)
+ {
+ sinterp->contents = (bfd_byte *) command_line.interpreter;
+ sinterp->_raw_size = strlen (command_line.interpreter) + 1;
+ }
+
+ /* Look for any sections named .gnu.warning. As a GNU extensions,
+ we treat such sections as containing warning messages. We print
+ out the warning message, and then zero out the section size so
+ that it does not get copied into the output file. */
+
+ {
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ asection *s;
+ bfd_size_type sz;
+ char *msg;
+ boolean ret;
+
+ if (is->just_syms_flag)
+ continue;
+
+ s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
+ if (s == NULL)
+ continue;
+
+ sz = bfd_section_size (is->the_bfd, s);
+ msg = xmalloc ((size_t) sz + 1);
+ if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz))
+ einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
+ is->the_bfd);
+ msg[sz] = '\0';
+ ret = link_info.callbacks->warning (&link_info, msg,
+ (const char *) NULL,
+ is->the_bfd, (asection *) NULL,
+ (bfd_vma) 0);
+ ASSERT (ret);
+ free (msg);
+
+ /* Clobber the section size, so that we don't waste copying the
+ warning into the output file. */
+ s->_raw_size = 0;
+ }
+ }
+
+ /* we should be able to set the size of the interworking stub section */
+
+ /* Here we rummage through the found bfds to collect glue information */
+ /* FIXME: should this be based on a command line option? krk@cygnus.com */
+ {
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, & link_info,
+ no_pipeline_knowledge))
+ {
+ /* xgettext:c-format */
+ einfo (_("Errors encountered processing file %s"), is->filename);
+ }
+ }
+ }
+
+ /* We have seen it all. Allocate it, and carry on */
+ bfd_elf32_arm_allocate_interworking_sections (& link_info);
+}
+
+static void
+gld${EMULATION_NAME}_finish PARAMS((void))
+{
+ struct bfd_link_hash_entry * h;
+
+ if (thumb_entry_symbol == NULL)
+ return;
+
+ h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, false, false, true);
+
+ if (h != (struct bfd_link_hash_entry *) NULL
+ && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak)
+ && h->u.def.section->output_section != NULL)
+ {
+ static char buffer[32];
+ bfd_vma val;
+
+ /* Special procesing is required for a Thumb entry symbol. The
+ bottom bit of its address must be set. */
+ val = (h->u.def.value
+ + bfd_get_section_vma (output_bfd,
+ h->u.def.section->output_section)
+ + h->u.def.section->output_offset);
+
+ val |= 1;
+
+ /* Now convert this value into a string and store it in entry_symbol
+ where the lang_finish() function will pick it up. */
+ buffer[0] = '0';
+ buffer[1] = 'x';
+
+ sprintf_vma (buffer + 2, val);
+
+ if (entry_symbol != NULL && entry_from_cmdline)
+ einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
+ thumb_entry_symbol, entry_symbol);
+ entry_symbol = buffer;
+ }
+ else
+ einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
+}
+
+static char *
+gld${EMULATION_NAME}_get_script (isfile)
+ int *isfile;
+EOF
+
+if test -n "$COMPILE_IN"
+then
+# Scripts compiled in.
+
+# sed commands to quote an ld script as a C string.
+sc="-f stringify.sed"
+
+cat >>e${EMULATION_NAME}.c <<EOF
+{
+ *isfile = 0;
+
+ if (link_info.relocateable == true && config.build_constructors == true)
+ return
+EOF
+sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
+if test -n "$GENERATE_SHLIB_SCRIPT" ; then
+ echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
+ sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
+fi
+echo ' ; else return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
+echo '; }' >> e${EMULATION_NAME}.c
+
+else
+# Scripts read from the filesystem.
+
+cat >>e${EMULATION_NAME}.c <<EOF
+{
+ *isfile = 1;
+
+ if (link_info.relocateable == true && config.build_constructors == true)
+ return "ldscripts/${EMULATION_NAME}.xu";
+ else if (link_info.relocateable == true)
+ return "ldscripts/${EMULATION_NAME}.xr";
+ else if (!config.text_read_only)
+ return "ldscripts/${EMULATION_NAME}.xbn";
+ else if (!config.magic_demand_paged)
+ return "ldscripts/${EMULATION_NAME}.xn";
+ else if (link_info.shared)
+ return "ldscripts/${EMULATION_NAME}.xs";
+ else
+ return "ldscripts/${EMULATION_NAME}.x";
+}
+EOF
+
+fi
+
+cat >>e${EMULATION_NAME}.c <<EOF
+
+struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
+{
+ gld${EMULATION_NAME}_before_parse,
+ syslib_default,
+ hll_default,
+ after_parse_default,
+ gld${EMULATION_NAME}_after_open,
+ after_allocation_default,
+ set_output_arch_default,
+ ldemul_default_target,
+ gld${EMULATION_NAME}_before_allocation,
+ gld${EMULATION_NAME}_get_script,
+ "${EMULATION_NAME}",
+ "${OUTPUT_FORMAT}",
+ gld${EMULATION_NAME}_finish,
+ NULL, /* create output section statements */
+ gld${EMULATION_NAME}_open_dynamic_archive,
+ gld${EMULATION_NAME}_place_orphan,
+ NULL, /* set symbols */
+ gld${EMULATION_NAME}_parse_args,
+ NULL, /* unrecognized file */
+ gld${EMULATION_NAME}_list_options,
+ NULL, /* recognized file */
+ NULL /* find_potential_libraries */
+};
+EOF
diff --git a/contrib/binutils/ld/emultempl/armelf_oabi.em b/contrib/binutils/ld/emultempl/armelf_oabi.em
new file mode 100644
index 0000000..d8ca87a
--- /dev/null
+++ b/contrib/binutils/ld/emultempl/armelf_oabi.em
@@ -0,0 +1,177 @@
+# This shell script emits a C file. -*- C -*-
+# It does some substitutions.
+cat >e${EMULATION_NAME}.c <<EOF
+/* This file is is generated by a shell script. DO NOT EDIT! */
+
+/* emulate the original gld for the given ${EMULATION_NAME}
+ Copyright (C) 1991, 93, 96, 97, 98, 1999 Free Software Foundation, Inc.
+ Written by Steve Chamberlain steve@cygnus.com
+
+This file is part of GLD, the Gnu Linker.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#define TARGET_IS_${EMULATION_NAME}
+
+#define bfd_elf32_arm_allocate_interworking_sections \
+ bfd_elf32_arm_oabi_allocate_interworking_sections
+#define bfd_elf32_arm_get_bfd_for_interworking \
+ bfd_elf32_arm_oabi_get_bfd_for_interworking
+#define bfd_elf32_arm_process_before_allocation \
+ bfd_elf32_arm_oabi_process_before_allocation
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "bfdlink.h"
+#include "getopt.h"
+
+#include "ld.h"
+#include "ldmain.h"
+#include "ldemul.h"
+#include "ldfile.h"
+#include "ldmisc.h"
+
+#include "ldexp.h"
+#include "ldlang.h"
+
+static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
+static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
+static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
+
+static void
+gld${EMULATION_NAME}_before_parse ()
+{
+#ifndef TARGET_ /* I.e., if not generic. */
+ ldfile_set_output_arch ("`echo ${ARCH}`");
+#endif /* not TARGET_ */
+}
+
+/* This is called after the sections have been attached to output
+ sections, but before any sizes or addresses have been set. */
+
+static void
+gld${EMULATION_NAME}_before_allocation ()
+{
+ /* we should be able to set the size of the interworking stub section */
+
+ /* Here we rummage through the found bfds to collect glue information */
+ /* FIXME: should this be based on a command line option? krk@cygnus.com */
+ {
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info, 0))
+ {
+ /* xgettext:c-format */
+ einfo (_("Errors encountered processing file %s"), is->filename);
+ }
+ }
+ }
+
+ /* We have seen it all. Allocate it, and carry on */
+ bfd_elf32_arm_allocate_interworking_sections (& link_info);
+}
+
+static void
+gld${EMULATION_NAME}_after_open ()
+{
+
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ /* The interworking bfd must be the last one to be processed */
+ if (!is->next)
+ bfd_elf32_arm_get_bfd_for_interworking (is->the_bfd, & link_info);
+ }
+}
+
+static char *
+gld${EMULATION_NAME}_get_script (isfile)
+ int *isfile;
+EOF
+
+if test -n "$COMPILE_IN"
+then
+# Scripts compiled in.
+
+# sed commands to quote an ld script as a C string.
+sc="-f stringify.sed"
+
+cat >>e${EMULATION_NAME}.c <<EOF
+{
+ *isfile = 0;
+
+ if (link_info.relocateable == true && config.build_constructors == true)
+ return
+EOF
+sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
+echo ' ; else return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
+echo '; }' >> e${EMULATION_NAME}.c
+
+else
+# Scripts read from the filesystem.
+
+cat >>e${EMULATION_NAME}.c <<EOF
+{
+ *isfile = 1;
+
+ if (link_info.relocateable == true && config.build_constructors == true)
+ return "ldscripts/${EMULATION_NAME}.xu";
+ else if (link_info.relocateable == true)
+ return "ldscripts/${EMULATION_NAME}.xr";
+ else if (!config.text_read_only)
+ return "ldscripts/${EMULATION_NAME}.xbn";
+ else if (!config.magic_demand_paged)
+ return "ldscripts/${EMULATION_NAME}.xn";
+ else
+ return "ldscripts/${EMULATION_NAME}.x";
+}
+EOF
+
+fi
+
+cat >>e${EMULATION_NAME}.c <<EOF
+
+struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
+{
+ gld${EMULATION_NAME}_before_parse,
+ syslib_default,
+ hll_default,
+ after_parse_default,
+ gld${EMULATION_NAME}_after_open,
+ after_allocation_default,
+ set_output_arch_default,
+ ldemul_default_target,
+ gld${EMULATION_NAME}_before_allocation,
+ gld${EMULATION_NAME}_get_script,
+ "${EMULATION_NAME}",
+ "${OUTPUT_FORMAT}",
+ NULL, /* finish */
+ NULL, /* create output section statements */
+ NULL, /* open dynamic archive */
+ NULL, /* place orphan */
+ NULL, /* set symbols */
+ NULL, /* parse args */
+ NULL, /* unrecognized file */
+ NULL, /* list options */
+ NULL, /* recognized file */
+ NULL /* find_potential_libraries */
+};
+EOF
diff --git a/contrib/binutils/ld/emultempl/astring.sed b/contrib/binutils/ld/emultempl/astring.sed
new file mode 100644
index 0000000..08bd8a6
--- /dev/null
+++ b/contrib/binutils/ld/emultempl/astring.sed
@@ -0,0 +1,13 @@
+s/["\\]/\\&/g
+s/$/\\n\\/
+1 s/^/"/
+25s/\\$/"/
+26s/^/"/
+50s/\\$/"/
+51s/^/"/
+75s/\\$/"/
+76s/^/"/
+100s/\\$/"/
+101s/^/"/
+$ s/$/n"/
+$ s/\\n"n"$/\\n"/
diff --git a/contrib/binutils/ld/emultempl/elf32.em b/contrib/binutils/ld/emultempl/elf32.em
index c4debe2..2913ecf 100644
--- a/contrib/binutils/ld/emultempl/elf32.em
+++ b/contrib/binutils/ld/emultempl/elf32.em
@@ -7,7 +7,8 @@ cat >e${EMULATION_NAME}.c <<EOF
/* This file is is generated by a shell script. DO NOT EDIT! */
/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
- Copyright (C) 1991, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1991, 93, 94, 95, 96, 97, 98, 1999
+ Free Software Foundation, Inc.
Written by Steve Chamberlain <sac@cygnus.com>
ELF support by Ian Lance Taylor <ian@cygnus.com>
@@ -73,10 +74,12 @@ gld${EMULATION_NAME}_before_parse()
{
ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`;
config.dynamic_link = ${DYNAMIC_LINK-true};
+ config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo true ; else echo false ; fi`;
}
/* Try to open a dynamic archive. This is where we know that ELF
- dynamic libraries have an extension of .so. */
+ dynamic libraries have an extension of .so (or .sl on oddball systems
+ like hpux). */
static boolean
gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
@@ -92,13 +95,27 @@ gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
filename = entry->filename;
+ /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION
+ is defined, but it does not seem worth the headache to optimize
+ away those two bytes of space. */
string = (char *) xmalloc (strlen (search->name)
+ strlen (filename)
+ strlen (arch)
+#ifdef EXTRA_SHLIB_EXTENSION
+ + strlen (EXTRA_SHLIB_EXTENSION)
+#endif
+ sizeof "/lib.so");
sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
+#ifdef EXTRA_SHLIB_EXTENSION
+ /* Try the .so extension first. If that fails build a new filename
+ using EXTRA_SHLIB_EXTENSION. */
+ if (! ldfile_try_open_bfd (string, entry))
+ sprintf (string, "%s/lib%s%s%s", search->name,
+ filename, arch, EXTRA_SHLIB_EXTENSION);
+#endif
+
if (! ldfile_try_open_bfd (string, entry))
{
free (string);
@@ -126,10 +143,16 @@ gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
char *needed_name;
ASSERT (entry->is_archive && entry->search_dirs_flag);
- needed_name = (char *) xmalloc (strlen (filename)
- + strlen (arch)
- + sizeof "lib.so");
- sprintf (needed_name, "lib%s%s.so", filename, arch);
+
+ /* Rather than duplicating the logic above. Just use the
+ filename we recorded earlier.
+
+ First strip off everything before the last '/'. */
+ filename = strrchr (entry->filename, '/');
+ filename++;
+
+ needed_name = (char *) xmalloc (strlen (filename) + 1);
+ strcpy (needed_name, filename);
bfd_elf_set_dt_needed_name (entry->the_bfd, needed_name);
}
@@ -138,7 +161,8 @@ gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
EOF
if [ "x${host}" = "x${target}" ] ; then
- if [ "x${DEFAULT_EMULATION}" = "x${EMULATION_NAME}" ] ; then
+ case " ${EMULATION_LIBPATH} " in
+ *" ${EMULATION_NAME} "*)
cat >>e${EMULATION_NAME}.c <<EOF
/* For a native linker, check the file /etc/ld.so.conf for directories
@@ -223,7 +247,8 @@ gld${EMULATION_NAME}_check_ld_so_conf (name, force)
}
EOF
- fi
+ ;;
+ esac
fi
cat >>e${EMULATION_NAME}.c <<EOF
@@ -308,13 +333,15 @@ gld${EMULATION_NAME}_after_open ()
}
EOF
if [ "x${host}" = "x${target}" ] ; then
- if [ "x${DEFAULT_EMULATION}" = "x${EMULATION_NAME}" ] ; then
+ case " ${EMULATION_LIBPATH} " in
+ *" ${EMULATION_NAME} "*)
cat >>e${EMULATION_NAME}.c <<EOF
lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force))
break;
EOF
- fi
+ ;;
+ esac
fi
cat >>e${EMULATION_NAME}.c <<EOF
len = strlen (l->name);
@@ -334,12 +361,14 @@ cat >>e${EMULATION_NAME}.c <<EOF
break;
EOF
if [ "x${host}" = "x${target}" ] ; then
- if [ "x${DEFAULT_EMULATION}" = "x${EMULATION_NAME}" ] ; then
+ case " ${EMULATION_LIBPATH} " in
+ *" ${EMULATION_NAME} "*)
cat >>e${EMULATION_NAME}.c <<EOF
if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
break;
EOF
- fi
+ ;;
+ esac
fi
cat >>e${EMULATION_NAME}.c <<EOF
}
@@ -761,37 +790,6 @@ gld${EMULATION_NAME}_before_allocation ()
s->_raw_size = 0;
}
}
-
-#if defined (TARGET_IS_elf32bmip) || defined (TARGET_IS_elf32lmip)
- /* For MIPS ELF the .reginfo section requires special handling.
- Each input section is 24 bytes, and the final output section must
- also be 24 bytes. We handle this by clobbering all but the first
- input section size to 0. The .reginfo section is handled
- specially by the backend code anyhow. */
- {
- boolean found = false;
- LANG_FOR_EACH_INPUT_STATEMENT (is)
- {
- asection *s;
-
- if (is->just_syms_flag)
- continue;
-
- s = bfd_get_section_by_name (is->the_bfd, ".reginfo");
- if (s == NULL)
- continue;
-
- if (! found)
- {
- found = true;
- continue;
- }
-
- s->_raw_size = 0;
- s->_cooked_size = 0;
- }
- }
-#endif
}
/* This is called by the before_allocation routine via
@@ -925,7 +923,9 @@ gld${EMULATION_NAME}_place_orphan (file, s)
stored right after the program headers where the OS can read it
in the first page. */
place = NULL;
- if ((s->flags & SEC_LOAD) != 0
+ if (s->flags & SEC_EXCLUDE)
+ return false;
+ else if ((s->flags & SEC_LOAD) != 0
&& strncmp (secname, ".note", 4) == 0
&& hold_interp != NULL)
place = hold_interp;
@@ -1024,7 +1024,8 @@ gld${EMULATION_NAME}_place_orphan (file, s)
wild_doit (&os->children, s, os, file);
lang_leave_output_section_statement
- ((bfd_vma) 0, "*default*", (struct lang_output_section_phdr_list *) NULL);
+ ((bfd_vma) 0, "*default*", (struct lang_output_section_phdr_list *) NULL,
+ "*default*");
stat_ptr = &add;
if (*ps == '\0' && config.build_constructors)
@@ -1090,30 +1091,31 @@ then
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
-sc='s/["\\]/\\&/g
-s/$/\\n\\/
-1s/^/"/
-$s/$/n"/
-'
+sc="-f stringify.sed"
cat >>e${EMULATION_NAME}.c <<EOF
{
*isfile = 0;
if (link_info.relocateable == true && config.build_constructors == true)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
- else if (link_info.relocateable == true)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
- else if (!config.text_read_only)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
- else if (!config.magic_demand_paged)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
- else if (link_info.shared)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xs`;
- else
- return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
-}
+ return
EOF
+sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
+
+if test -n "$GENERATE_SHLIB_SCRIPT" ; then
+echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
+fi
+
+echo ' ; else return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
+echo '; }' >> e${EMULATION_NAME}.c
else
# Scripts read from the filesystem.
@@ -1139,6 +1141,22 @@ EOF
fi
+if test -n "$PARSE_AND_LIST_ARGS" ; then
+cat >>e${EMULATION_NAME}.c <<EOF
+static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
+static void gld_${EMULATION_NAME}_list_options PARAMS ((FILE * file));
+
+ $PARSE_AND_LIST_ARGS
+EOF
+else
+
+cat >>e${EMULATION_NAME}.c <<EOF
+#define gld_${EMULATION_NAME}_parse_args NULL
+#define gld_${EMULATION_NAME}_list_options NULL
+EOF
+
+fi
+
cat >>e${EMULATION_NAME}.c <<EOF
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
@@ -1155,9 +1173,15 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
gld${EMULATION_NAME}_get_script,
"${EMULATION_NAME}",
"${OUTPUT_FORMAT}",
- NULL,
- NULL,
+ NULL, /* finish */
+ NULL, /* create output section statements */
gld${EMULATION_NAME}_open_dynamic_archive,
- gld${EMULATION_NAME}_place_orphan
+ gld${EMULATION_NAME}_place_orphan,
+ NULL, /* set_symbols */
+ gld_${EMULATION_NAME}_parse_args,
+ NULL, /* unrecognized_file */
+ gld_${EMULATION_NAME}_list_options,
+ NULL, /* recognized_file */
+ NULL /* find_potential_libraries */
};
EOF
diff --git a/contrib/binutils/ld/emultempl/generic.em b/contrib/binutils/ld/emultempl/generic.em
index 1c0c8eb..6635e09 100644
--- a/contrib/binutils/ld/emultempl/generic.em
+++ b/contrib/binutils/ld/emultempl/generic.em
@@ -4,7 +4,7 @@ cat >e${EMULATION_NAME}.c <<EOF
/* This file is is generated by a shell script. DO NOT EDIT! */
/* emulate the original gld for the given ${EMULATION_NAME}
- Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+ Copyright (C) 1991, 93, 94, 95, 96, 1999 Free Software Foundation, Inc.
Written by Steve Chamberlain steve@cygnus.com
This file is part of GLD, the Gnu Linker.
@@ -56,7 +56,7 @@ then
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
-sc="-f ${srcdir}/emultempl/stringify.sed"
+sc="-f stringify.sed"
cat >>e${EMULATION_NAME}.c <<EOF
{
@@ -113,6 +113,16 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
before_allocation_default,
gld${EMULATION_NAME}_get_script,
"${EMULATION_NAME}",
- "${OUTPUT_FORMAT}"
+ "${OUTPUT_FORMAT}",
+ NULL, /* finish */
+ NULL, /* create output section statements */
+ NULL, /* open dynamic archive */
+ NULL, /* place orphan */
+ NULL, /* set symbols */
+ NULL, /* parse args */
+ NULL, /* unrecognized file */
+ NULL, /* list options */
+ NULL, /* recognized file */
+ NULL /* find_potential_libraries */
};
EOF
diff --git a/contrib/binutils/ld/emultempl/linux.em b/contrib/binutils/ld/emultempl/linux.em
index 6860c3f..dfa855e 100644
--- a/contrib/binutils/ld/emultempl/linux.em
+++ b/contrib/binutils/ld/emultempl/linux.em
@@ -4,7 +4,7 @@ cat >e${EMULATION_NAME}.c <<EOF
/* This file is is generated by a shell script. DO NOT EDIT! */
/* Linux a.out emulation code for ${EMULATION_NAME}
- Copyright (C) 1991, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1991, 93, 94, 95, 96, 98, 1999 Free Software Foundation, Inc.
Written by Steve Chamberlain <sac@cygnus.com>
Linux support by Eric Youngdale <ericy@cais.cais.com>
@@ -53,6 +53,7 @@ gld${EMULATION_NAME}_before_parse()
{
ldfile_output_architecture = bfd_arch_${ARCH};
config.dynamic_link = true;
+ config.has_shared = true;
}
/* Try to open a dynamic archive. This is where we know that Linux
@@ -139,28 +140,25 @@ then
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
-sc='s/["\\]/\\&/g
-s/$/\\n\\/
-1s/^/"/
-$s/$/n"/
-'
+sc="-f stringify.sed"
cat >>e${EMULATION_NAME}.c <<EOF
{
*isfile = 0;
if (link_info.relocateable == true && config.build_constructors == true)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
- else if (link_info.relocateable == true)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
- else if (!config.text_read_only)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
- else if (!config.magic_demand_paged)
- return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
- else
- return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
-}
+ return
EOF
+sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
+echo ' ; else return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
+echo '; }' >> e${EMULATION_NAME}.c
else
# Scripts read from the filesystem.
@@ -200,8 +198,15 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
gld${EMULATION_NAME}_get_script,
"${EMULATION_NAME}",
"${OUTPUT_FORMAT}",
- NULL,
+ NULL, /* finish */
gld${EMULATION_NAME}_create_output_section_statements,
- gld${EMULATION_NAME}_open_dynamic_archive
+ gld${EMULATION_NAME}_open_dynamic_archive,
+ NULL, /* place orphan */
+ NULL, /* set symbols */
+ NULL, /* parse args */
+ NULL, /* unrecognized file */
+ NULL, /* list options */
+ NULL, /* recognized file */
+ NULL /* find_potential_libraries */
};
EOF
diff --git a/contrib/binutils/ld/emultempl/ostring.sed b/contrib/binutils/ld/emultempl/ostring.sed
new file mode 100644
index 0000000..a526d3f
--- /dev/null
+++ b/contrib/binutils/ld/emultempl/ostring.sed
@@ -0,0 +1,4 @@
+s/["\\]/\\&/g
+s/$/\\n\\/
+1 s/^/"/
+$ s/$/n"/
diff --git a/contrib/binutils/ld/emultempl/pe.em b/contrib/binutils/ld/emultempl/pe.em
index fcabcbd..d13bb40 100644
--- a/contrib/binutils/ld/emultempl/pe.em
+++ b/contrib/binutils/ld/emultempl/pe.em
@@ -1,8 +1,10 @@
# This shell script emits a C file. -*- C -*-
# It does some substitutions.
-cat >e${EMULATION_NAME}.c <<EOF
+rm -f e${EMULATION_NAME}.c
+(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
+cat >>e${EMULATION_NAME}.c <<EOF
/* This file is part of GLD, the Gnu Linker.
- Copyright 1995, 96, 97, 1998 Free Software Foundation, Inc.
+ Copyright 1995, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -41,38 +43,101 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "ldctor.h"
#include "ldfile.h"
#include "coff/internal.h"
+
+/* FIXME: This is a BFD internal header file, and we should not be
+ using it here. */
#include "../bfd/libcoff.h"
+#include "deffile.h"
+#include "pe-dll.h"
+
#define TARGET_IS_${EMULATION_NAME}
+/* Permit the emulation parameters to override the default section
+ alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
+ it seem that include/coff/internal.h should not define
+ PE_DEF_SECTION_ALIGNMENT. */
+#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
+#undef PE_DEF_SECTION_ALIGNMENT
+#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
+#endif
+
+#if defined(TARGET_IS_i386pe)
+#define DLL_SUPPORT
+#endif
+#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) || defined(TARGET_IS_armpe)
+#define DLL_SUPPORT
+#endif
+
+#if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
+#define PE_DEF_SUBSYSTEM 3
+#else
+#undef NT_EXE_IMAGE_BASE
+#undef PE_DEF_SECTION_ALIGNMENT
+#undef PE_DEF_FILE_ALIGNMENT
+#define NT_EXE_IMAGE_BASE 0x00010000
+#ifdef TARGET_IS_armpe
+#define PE_DEF_SECTION_ALIGNMENT 0x00001000
+#define PE_DEF_SUBSYSTEM 9
+#else
+#define PE_DEF_SECTION_ALIGNMENT 0x00000400
+#define PE_DEF_SUBSYSTEM 2
+#endif
+#define PE_DEF_FILE_ALIGNMENT 0x00000200
+#endif
+
+#ifdef TARGET_IS_arm_epoc_pe
+#define bfd_arm_pe_allocate_interworking_sections \
+ bfd_arm_epoc_pe_allocate_interworking_sections
+#define bfd_arm_pe_get_bfd_for_interworking \
+ bfd_arm_epoc_pe_get_bfd_for_interworking
+#define bfd_arm_pe_process_before_allocation \
+ bfd_arm_epoc_pe_process_before_allocation
+#endif
+
static void gld_${EMULATION_NAME}_set_symbols PARAMS ((void));
static void gld_${EMULATION_NAME}_after_open PARAMS ((void));
static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
+static void gld_${EMULATION_NAME}_after_parse PARAMS ((void));
static void gld_${EMULATION_NAME}_before_allocation PARAMS ((void));
-static boolean gld${EMULATION_NAME}_place_orphan
+static boolean gld_${EMULATION_NAME}_place_orphan
PARAMS ((lang_input_statement_type *, asection *));
+static void gld${EMULATION_NAME}_place_section
+ PARAMS ((lang_statement_union_type *));
static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
-
-#if 0 /* argument to qsort so don't prototype */
-static int sort_by_file_name PARAMS ((void *, void *));
-static int sort_by_section_name PARAMS ((void *, void *));
-#endif
-static lang_statement_union_type **sort_sections_1
- PARAMS ((lang_statement_union_type **, lang_statement_union_type *, int,
- int (*)()));
-static void sort_sections PARAMS ((lang_statement_union_type *));
+static void gld_${EMULATION_NAME}_finish PARAMS ((void));
static struct internal_extra_pe_aouthdr pe;
static int dll;
+static int support_old_code = 0;
+static char * thumb_entry_symbol = NULL;
+static lang_assignment_statement_type *image_base_statement = 0;
+
+static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable */
+#ifdef DLL_SUPPORT
+static char *pe_out_def_filename = 0;
+static char *pe_implib_filename = 0;
+#endif
extern const char *output_filename;
static void
gld_${EMULATION_NAME}_before_parse()
{
- output_filename = "a.exe";
+ output_filename = "${EXECUTABLE_NAME:-a.exe}";
ldfile_output_architecture = bfd_arch_${ARCH};
+#ifdef DLL_SUPPORT
+ config.has_shared = 1;
+
+#if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
+#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
+ lang_add_entry ("WinMainCRTStartup", 1);
+#else
+ lang_add_entry ("_WinMainCRTStartup", 1);
+#endif
+#endif
+#endif
}
/* PE format extra command line options. */
@@ -92,31 +157,62 @@ gld_${EMULATION_NAME}_before_parse()
#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
-
-static struct option longopts[] = {
+#define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
+#define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
+#define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
+#define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
+#define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
+#define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
+#define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
+#define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
+#define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
+#define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
+#define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
+#define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
+
+static struct option longopts[] =
+{
/* PE options */
- {"base-file", required_argument, NULL, OPTION_BASE_FILE},
- {"dll", no_argument, NULL, OPTION_DLL},
- {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
- {"heap", required_argument, NULL, OPTION_HEAP},
- {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
- {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
- {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
- {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
- {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
- {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
- {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
- {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
- {"stack", required_argument, NULL, OPTION_STACK},
- {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
- {NULL, no_argument, NULL, 0}
- };
+ {"base-file", required_argument, NULL, OPTION_BASE_FILE},
+ {"dll", no_argument, NULL, OPTION_DLL},
+ {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
+ {"heap", required_argument, NULL, OPTION_HEAP},
+ {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
+ {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
+ {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
+ {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
+ {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
+ {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
+ {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
+ {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
+ {"stack", required_argument, NULL, OPTION_STACK},
+ {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
+ {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
+ {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
+#ifdef DLL_SUPPORT
+ /* getopt allows abbreviations, so we do this to stop it from treating -o
+ as an abbreviation for this option */
+ {"output-def", required_argument, NULL, OPTION_OUT_DEF},
+ {"output-def", required_argument, NULL, OPTION_OUT_DEF},
+ {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
+ {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
+ {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
+ {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
+ {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
+ {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
+ {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
+ {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
+ {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
+#endif
+ {NULL, no_argument, NULL, 0}
+};
/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
parameters which may be input from the command line */
-typedef struct {
+typedef struct
+{
void *ptr;
int size;
int value;
@@ -132,16 +228,20 @@ static definfo init[] =
#define IMAGEBASEOFF 0
D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
#define DLLOFF 1
- {&dll, sizeof(dll), 0, "__dll__"},
+ {&dll, sizeof(dll), 0, "__dll__", 0},
D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
D(MajorOperatingSystemVersion,"__major_os_version__", 4),
D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
D(MajorImageVersion,"__major_image_version__", 1),
D(MinorImageVersion,"__minor_image_version__", 0),
+#ifdef TARGET_IS_armpe
+ D(MajorSubsystemVersion,"__major_subsystem_version__", 2),
+#else
D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
+#endif
D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
- D(Subsystem,"__subsystem__", 3),
+ D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
@@ -150,6 +250,40 @@ static definfo init[] =
{ NULL, 0, 0, NULL, 0 }
};
+static void
+gld_${EMULATION_NAME}_list_options (file)
+ FILE * file;
+{
+ fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
+ fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
+ fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
+ fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
+ fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
+ fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
+ fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
+ fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
+ fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
+ fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
+ fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
+ fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
+ fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
+ fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
+ fprintf (file, _(" --support-old-code Support interworking with old code\n"));
+ fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
+#ifdef DLL_SUPPORT
+ fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
+ fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
+ fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
+ fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
+ fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
+ fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
+ fprintf (file, _(" --out-implib <file> Generate import library\n"));
+ fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
+ fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
+ fprintf (file, _(" --compat-implib Create backward compatible import libs;\n"));
+ fprintf (file, _(" create __imp_<SYMBOL> as well.\n"));
+#endif
+}
static void
set_pe_name (name, val)
@@ -185,14 +319,19 @@ set_pe_subsystem ()
}
v[] =
{
- { "native", 1, "_NtProcessStartup" },
- { "windows", 2, "_WinMainCRTStartup" },
- { "console", 3, "_mainCRTStartup" },
+ { "native", 1, "NtProcessStartup" },
+#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
+ { "windows", 2, "WinMainCRTStartup" },
+#else
+ { "windows", 2, "WinMainCRTStartup" },
+#endif
+ { "console", 3, "mainCRTStartup" },
#if 0
/* The Microsoft linker does not recognize this. */
{ "os2", 5, "" },
#endif
- { "posix", 7, "___PosixProcessStartup"},
+ { "posix", 7, "__PosixProcessStartup"},
+ { "wince", 9, "_WinMainCRTStartup" },
{ 0, 0, 0 }
};
@@ -210,7 +349,7 @@ set_pe_subsystem ()
set_pe_name ("__minor_subsystem_version__",
strtoul (end + 1, &end, 0));
if (*end != '\0')
- einfo ("%P: warning: bad version number in -subsystem option\n");
+ einfo (_("%P: warning: bad version number in -subsystem option\n"));
}
for (i = 0; v[i].name; i++)
@@ -218,31 +357,35 @@ set_pe_subsystem ()
if (strncmp (optarg, v[i].name, len) == 0
&& v[i].name[len] == '\0')
{
+ const char *initial_symbol_char;
+ const char *entry;
+
set_pe_name ("__subsystem__", v[i].value);
- /* If the subsystem is windows, we use a different entry
- point. We also register the entry point as an undefined
- symbol. The reason we do this is so that the user
- doesn't have to because they would have to use the -u
- switch if they were specifying an entry point other than
- _mainCRTStartup. Specifically, if creating a windows
- application, entry point _WinMainCRTStartup must be
- specified. What I have found for non console
- applications (entry not _mainCRTStartup) is that the .obj
- that contains mainCRTStartup is brought in since it is
- the first encountered in libc.lib and it has other
- symbols in it which will be pulled in by the link
- process. To avoid this, adding -u with the entry point
- name specified forces the correct .obj to be used. We
- can avoid making the user do this by always adding the
- entry point name as an undefined symbol. */
- lang_add_entry (v[i].entry, 1);
- ldlang_add_undef (v[i].entry);
+ initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
+ if (*initial_symbol_char == '\0')
+ entry = v[i].entry;
+ else
+ {
+ char *alc_entry;
+
+ /* lang_add_entry expects its argument to be permanently
+ allocated, so we don't free this string. */
+ alc_entry = xmalloc (strlen (initial_symbol_char)
+ + strlen (v[i].entry)
+ + 1);
+ strcpy (alc_entry, initial_symbol_char);
+ strcat (alc_entry, v[i].entry);
+ entry = alc_entry;
+ }
+
+ lang_add_entry (entry, 1);
return;
}
}
- einfo ("%P%F: invalid subsystem type %s\n", optarg);
+
+ einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
}
@@ -253,11 +396,11 @@ set_pe_value (name)
{
char *end;
+
set_pe_name (name, strtoul (optarg, &end, 0));
+
if (end == optarg)
- {
- einfo ("%P%F: invalid hex number for PE parameter '%s'\n", optarg);
- }
+ einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
optarg = end;
}
@@ -268,15 +411,14 @@ set_pe_stack_heap (resname, comname)
char *comname;
{
set_pe_value (resname);
+
if (*optarg == ',')
{
optarg++;
set_pe_value (comname);
}
else if (*optarg)
- {
- einfo ("%P%F: strange hex info for PE parameter '%s'\n", optarg);
- }
+ einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
}
@@ -314,7 +456,8 @@ gld_${EMULATION_NAME}_parse_args(argc, argv)
link_info.base_file = (PTR) fopen (optarg, FOPEN_WB);
if (link_info.base_file == NULL)
{
- fprintf (stderr, "%s: Can't open base file %s\n",
+ /* xgettext:c-format */
+ fprintf (stderr, _("%s: Can't open base file %s\n"),
program_name, optarg);
xexit (1);
}
@@ -360,6 +503,44 @@ gld_${EMULATION_NAME}_parse_args(argc, argv)
case OPTION_IMAGE_BASE:
set_pe_value ("__image_base__");
break;
+ case OPTION_SUPPORT_OLD_CODE:
+ support_old_code = 1;
+ break;
+ case OPTION_THUMB_ENTRY:
+ thumb_entry_symbol = optarg;
+ break;
+#ifdef DLL_SUPPORT
+ case OPTION_OUT_DEF:
+ pe_out_def_filename = xstrdup (optarg);
+ break;
+ case OPTION_EXPORT_ALL:
+ pe_dll_export_everything = 1;
+ break;
+ case OPTION_EXCLUDE_SYMBOLS:
+ pe_dll_add_excludes (optarg);
+ break;
+ case OPTION_KILL_ATS:
+ pe_dll_kill_ats = 1;
+ break;
+ case OPTION_STDCALL_ALIASES:
+ pe_dll_stdcall_aliases = 1;
+ break;
+ case OPTION_ENABLE_STDCALL_FIXUP:
+ pe_enable_stdcall_fixup = 1;
+ break;
+ case OPTION_DISABLE_STDCALL_FIXUP:
+ pe_enable_stdcall_fixup = 0;
+ break;
+ case OPTION_IMPLIB_FILENAME:
+ pe_implib_filename = xstrdup (optarg);
+ break;
+ case OPTION_WARN_DUPLICATE_EXPORTS:
+ pe_dll_warn_dup_exports = 1;
+ break;
+ case OPTION_IMP_COMPAT:
+ pe_dll_compat_implib = 1;
+ break;
+#endif
}
return 1;
}
@@ -368,7 +549,7 @@ gld_${EMULATION_NAME}_parse_args(argc, argv)
read. */
static void
-gld_${EMULATION_NAME}_set_symbols()
+gld_${EMULATION_NAME}_set_symbols ()
{
/* Run through and invent symbols for all the
names and insert the defaults. */
@@ -379,7 +560,7 @@ gld_${EMULATION_NAME}_set_symbols()
{
if (link_info.relocateable)
init[IMAGEBASEOFF].value = 0;
- else if (init[DLLOFF].value)
+ else if (init[DLLOFF].value || link_info.shared)
init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
else
init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
@@ -397,7 +578,8 @@ gld_${EMULATION_NAME}_set_symbols()
for (j = 0; init[j].ptr; j++)
{
long val = init[j].value;
- lang_add_assignment (exp_assop ('=' ,init[j].symbol, exp_intop (val)));
+ lang_assignment_statement_type *rv;
+ rv = lang_add_assignment (exp_assop ('=' ,init[j].symbol, exp_intop (val)));
if (init[j].size == sizeof(short))
*(short *)init[j].ptr = val;
else if (init[j].size == sizeof(int))
@@ -408,6 +590,8 @@ gld_${EMULATION_NAME}_set_symbols()
else if (init[j].size == sizeof(bfd_vma))
*(bfd_vma *)init[j].ptr = val;
else abort();
+ if (j == IMAGEBASEOFF)
+ image_base_statement = rv;
}
/* Restore the pointer. */
stat_ptr = save;
@@ -415,209 +599,253 @@ gld_${EMULATION_NAME}_set_symbols()
if (pe.FileAlignment >
pe.SectionAlignment)
{
- einfo ("%P: warning, file alignment > section alignment.\n");
- }
-}
-
-static void
-gld_${EMULATION_NAME}_after_open()
-{
- /* Pass the wacky PE command line options into the output bfd.
- FIXME: This should be done via a function, rather than by
- including an internal BFD header. */
- if (!coff_data(output_bfd)->pe)
- {
- einfo ("%F%P: PE operations on non PE file.\n");
+ einfo (_("%P: warning, file alignment > section alignment.\n"));
}
-
- pe_data(output_bfd)->pe_opthdr = pe;
- pe_data(output_bfd)->dll = init[DLLOFF].value;
-
}
-
-/* Callback functions for qsort in sort_sections. */
-
-static int
-sort_by_file_name (a, b)
- void *a;
- void *b;
-{
- lang_statement_union_type **ra = a;
- lang_statement_union_type **rb = b;
- int i;
- i = strcmp ((*ra)->input_section.ifile->the_bfd->my_archive->filename,
- (*rb)->input_section.ifile->the_bfd->my_archive->filename);
- if (i != 0)
- return i;
+/* This is called after the linker script and the command line options
+ have been read. */
- return strcmp ((*ra)->input_section.ifile->filename,
- (*rb)->input_section.ifile->filename);
-}
-
-static int
-sort_by_section_name (a, b)
- void *a;
- void *b;
+static void
+gld_${EMULATION_NAME}_after_parse ()
{
- lang_statement_union_type **ra = a;
- lang_statement_union_type **rb = b;
- return strcmp ((*ra)->input_section.section->name,
- (*rb)->input_section.section->name);
+ /* The Windows libraries are designed for the linker to treat the
+ entry point as an undefined symbol. Otherwise, the .obj that
+ defines mainCRTStartup is brought in because it is the first
+ encountered in libc.lib and it has other symbols in it which will
+ be pulled in by the link process. To avoid this, we act as
+ though the user specified -u with the entry point symbol.
+
+ This function is called after the linker script and command line
+ options have been read, so at this point we know the right entry
+ point. This function is called before the input files are
+ opened, so registering the symbol as undefined will make a
+ difference. */
+
+ if (! link_info.relocateable && entry_symbol != NULL)
+ ldlang_add_undef (entry_symbol);
}
-/* Subroutine of sort_sections to a contiguous subset of a list of sections.
- NEXT_AFTER is the element after the last one to sort.
- The result is a pointer to the last element's "next" pointer. */
+static struct bfd_link_hash_entry *pe_undef_found_sym;
-static lang_statement_union_type **
-sort_sections_1 (startptr, next_after, count, sort_func)
- lang_statement_union_type **startptr,*next_after;
- int count;
- int (*sort_func) ();
+static boolean
+pe_undef_cdecl_match (h, string)
+ struct bfd_link_hash_entry *h;
+ PTR string;
{
- lang_statement_union_type **vec;
- lang_statement_union_type *p;
- int i;
- lang_statement_union_type **ret;
-
- if (count == 0)
- return startptr;
-
- vec = ((lang_statement_union_type **)
- xmalloc (count * sizeof (lang_statement_union_type *)));
-
- for (p = *startptr, i = 0; i < count; i++, p = p->next)
- vec[i] = p;
-
- qsort (vec, count, sizeof (vec[0]), sort_func);
-
- /* Fill in the next pointers again. */
- *startptr = vec[0];
- for (i = 0; i < count - 1; i++)
- vec[i]->header.next = vec[i + 1];
- vec[i]->header.next = next_after;
- ret = &vec[i]->header.next;
- free (vec);
- return ret;
+ int sl = strlen (string);
+ if (h->type == bfd_link_hash_defined
+ && strncmp (h->root.string, string, sl) == 0
+ && h->root.string[sl] == '@')
+ {
+ pe_undef_found_sym = h;
+ return false;
+ }
+ return true;
}
-/* Sort the .idata\$foo input sections of archives into filename order.
- The reason is so dlltool can arrange to have the pe dll import information
- generated correctly - the head of the list goes into dh.o, the tail into
- dt.o, and the guts into ds[nnnn].o. Note that this is only needed for the
- .idata section.
- FIXME: This may no longer be necessary with grouped sections. Instead of
- sorting on dh.o, ds[nnnn].o, dt.o, one could, for example, have dh.o use
- .idata\$4h, have ds[nnnn].o use .idata\$4s[nnnn], and have dt.o use .idata\$4t.
- This would have to be elaborated upon to handle multiple dll's
- [assuming such an eloboration is possible of course].
-
- We also sort sections in '\$' wild statements. These are created by the
- place_orphans routine to implement grouped sections. */
-
+#ifdef DLL_SUPPORT
static void
-sort_sections (s)
- lang_statement_union_type *s;
+pe_fixup_stdcalls ()
{
- for (; s ; s = s->next)
- switch (s->header.type)
+ static int gave_warning_message = 0;
+ struct bfd_link_hash_entry *undef, *sym;
+ char *at;
+ for (undef = link_info.hash->undefs; undef; undef=undef->next)
+ if (undef->type == bfd_link_hash_undefined)
+ {
+ at = strchr (undef->root.string, '@');
+ if (at)
{
- case lang_output_section_statement_enum:
- sort_sections (s->output_section_statement.children.head);
- break;
- case lang_wild_statement_enum:
+ /* The symbol is a stdcall symbol, so let's look for a cdecl
+ symbol with the same name and resolve to that */
+ char *cname = xstrdup (undef->root.string);
+ at = strchr (cname, '@');
+ *at = 0;
+ sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
+ if (sym && sym->type == bfd_link_hash_defined)
{
- lang_statement_union_type **p = &s->wild_statement.children.head;
-
- /* Is this the .idata section? */
- if (s->wild_statement.section_name != NULL
- && strncmp (s->wild_statement.section_name, ".idata", 6) == 0)
+ undef->type = bfd_link_hash_defined;
+ undef->u.def.value = sym->u.def.value;
+ undef->u.def.section = sym->u.def.section;
+ if (pe_enable_stdcall_fixup == -1)
{
- /* Sort the children. We want to sort any objects in
- the same archive. In order to handle the case of
- including a single archive multiple times, we sort
- all the children by archive name and then by object
- name. After sorting them, we re-thread the pointer
- chain. */
-
- while (*p)
+ einfo (_("Warning: resolving %s by linking to %s\n"),
+ undef->root.string, cname);
+ if (! gave_warning_message)
{
- lang_statement_union_type *start = *p;
- if (start->header.type != lang_input_section_enum
- || !start->input_section.ifile->the_bfd->my_archive)
- p = &(start->header.next);
- else
- {
- lang_statement_union_type *end;
- int count;
-
- for (end = start, count = 0;
- end && end->header.type == lang_input_section_enum;
- end = end->next)
- count++;
-
- p = sort_sections_1 (p, end, count, sort_by_file_name);
- }
+ gave_warning_message = 1;
+ einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
+ einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
}
- break;
}
-
- /* If this is a collection of grouped sections, sort them.
- The linker script must explicitly mention "*(.foo\$)" or
- "*(.foo\$*)". Don't sort them if \$ is not the last
- character (not sure if this is really useful, but it
- allows explicitly mentioning some \$ sections and letting
- the linker handle the rest). */
- if (s->wild_statement.section_name != NULL)
+ }
+ }
+ else
+ {
+ /* The symbol is a cdecl symbol, so we look for stdcall
+ symbols - which means scanning the whole symbol table */
+ pe_undef_found_sym = 0;
+ bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
+ (PTR) undef->root.string);
+ sym = pe_undef_found_sym;
+ if (sym)
+ {
+ undef->type = bfd_link_hash_defined;
+ undef->u.def.value = sym->u.def.value;
+ undef->u.def.section = sym->u.def.section;
+ if (pe_enable_stdcall_fixup == -1)
{
- char *q = strchr (s->wild_statement.section_name, '\$');
-
- if (q != NULL
- && (q[1] == '\0'
- || (q[1] == '*' && q[2] == '\0')))
+ einfo (_("Warning: resolving %s by linking to %s\n"),
+ undef->root.string, sym->root.string);
+ if (! gave_warning_message)
{
- lang_statement_union_type *end;
- int count;
-
- for (end = *p, count = 0; end; end = end->next)
- {
- if (end->header.type != lang_input_section_enum)
- abort ();
- count++;
- }
- (void) sort_sections_1 (p, end, count, sort_by_section_name);
+ gave_warning_message = 1;
+ einfo(_("Use --enable-stdcall-fixup to disable these warnings\n"));
+ einfo(_("Use --disable-stdcall-fixup to disable these fixups\n"));
}
- break;
}
}
- break;
- default:
- break;
}
+ }
}
+#endif /* DLL_SUPPORT */
+
+static void
+gld_${EMULATION_NAME}_after_open ()
+{
+ /* Pass the wacky PE command line options into the output bfd.
+ FIXME: This should be done via a function, rather than by
+ including an internal BFD header. */
+
+ if (!coff_data (output_bfd)->pe)
+ einfo (_("%F%P: PE operations on non PE file.\n"));
+ pe_data (output_bfd)->pe_opthdr = pe;
+ pe_data (output_bfd)->dll = init[DLLOFF].value;
+
+#ifdef DLL_SUPPORT
+ if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
+ pe_fixup_stdcalls ();
+
+ pe_process_import_defs(output_bfd, &link_info);
+ if (link_info.shared)
+ pe_dll_build_sections (output_bfd, &link_info);
+
+#ifndef TARGET_IS_i386pe
+#ifndef TARGET_IS_armpe
+ else
+ pe_exe_build_sections (output_bfd, &link_info);
+#endif
+#endif
+#endif
+
+#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
+ if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
+ {
+ /* The arm backend needs special fields in the output hash structure.
+ These will only be created if the output format is an arm format,
+ hence we do not support linking and changing output formats at the
+ same time. Use a link followed by objcopy to change output formats. */
+ einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
+ return;
+ }
+ {
+ /* Find a BFD that can hold the interworking stubs. */
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info))
+ break;
+ }
+ }
+#endif
+
+ {
+ int is_ms_arch = 0;
+ bfd *cur_arch = 0;
+ lang_input_statement_type *is2;
+
+ /* Careful - this is a shell script. Watch those dollar signs! */
+ /* Microsoft import libraries have every member named the same,
+ and not in the right order for us to link them correctly. We
+ must detect these and rename the members so that they'll link
+ correctly. There are three types of objects: the head, the
+ thunks, and the sentinel(s). The head is easy; it's the one
+ with idata2. We assume that the sentinels won't have relocs,
+ and the thunks will. It's easier than checking the symbol
+ table for external references. */
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ if (is->the_bfd->my_archive)
+ {
+ bfd *arch = is->the_bfd->my_archive;
+ if (cur_arch != arch)
+ {
+ cur_arch = arch;
+ is_ms_arch = 1;
+ for (is2 = is;
+ is2 && is2->the_bfd->my_archive == arch;
+ is2 = (lang_input_statement_type *)is2->next)
+ {
+ if (strcmp (is->the_bfd->filename, is2->the_bfd->filename))
+ is_ms_arch = 0;
+ }
+ }
+
+ if (is_ms_arch)
+ {
+ int idata2 = 0, reloc_count=0;
+ asection *sec;
+ char *new_name, seq;
+
+ for (sec = is->the_bfd->sections; sec; sec = sec->next)
+ {
+ if (strcmp (sec->name, ".idata\$2") == 0)
+ idata2 = 1;
+ reloc_count += sec->reloc_count;
+ }
+
+ if (idata2) /* .idata2 is the TOC */
+ seq = 'a';
+ else if (reloc_count > 0) /* thunks */
+ seq = 'b';
+ else /* sentinel */
+ seq = 'c';
+
+ new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
+ sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
+ is->the_bfd->filename = new_name;
+
+ new_name = xmalloc (strlen(is->filename) + 3);
+ sprintf (new_name, "%s.%c", is->filename, seq);
+ is->filename = new_name;
+ }
+ }
+ }
+ }
+}
+
static void
gld_${EMULATION_NAME}_before_allocation()
{
- extern lang_statement_list_type *stat_ptr;
-
#ifdef TARGET_IS_ppcpe
/* Here we rummage through the found bfds to collect toc information */
{
LANG_FOR_EACH_INPUT_STATEMENT (is)
{
- if (!ppc_process_before_allocation(is->the_bfd, &link_info))
+ if (!ppc_process_before_allocation (is->the_bfd, &link_info))
{
- einfo("Errors encountered processing file %s\n", is->filename);
+ /* xgettext:c-format */
+ einfo (_("Errors encountered processing file %s\n"), is->filename);
}
}
}
/* We have seen it all. Allocate it, and carry on */
ppc_allocate_toc_section (&link_info);
-#else
-#ifdef TARGET_IS_armpe
+#endif /* TARGET_IS_ppcpe */
+
+#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
/* FIXME: we should be able to set the size of the interworking stub
section.
@@ -627,109 +855,458 @@ gld_${EMULATION_NAME}_before_allocation()
{
LANG_FOR_EACH_INPUT_STATEMENT (is)
{
- if (!arm_process_before_allocation (is->the_bfd, & link_info))
+ if (! bfd_arm_pe_process_before_allocation
+ (is->the_bfd, & link_info, support_old_code))
{
- einfo ("Errors encountered processing file %s", is->filename);
+ /* xgettext:c-format */
+ einfo (_("Errors encountered processing file %s for interworking"),
+ is->filename);
}
}
}
/* We have seen it all. Allocate it, and carry on */
- arm_allocate_interworking_sections (& link_info);
+ bfd_arm_pe_allocate_interworking_sections (& link_info);
#endif /* TARGET_IS_armpe */
-#endif /* TARGET_IS_ppcpe */
+}
+
+
+/* This is called when an input file isn't recognized as a BFD. We
+ check here for .DEF files and pull them in automatically. */
+#ifdef DLL_SUPPORT
+static int
+saw_option(char *option)
+{
+ int i;
+ for (i=0; init[i].ptr; i++)
+ if (strcmp (init[i].symbol, option) == 0)
+ return init[i].inited;
+ return 0;
+}
+#endif
+
+static boolean
+gld_${EMULATION_NAME}_unrecognized_file(entry)
+ lang_input_statement_type *entry ATTRIBUTE_UNUSED;
+{
+#ifdef DLL_SUPPORT
+ const char *ext = entry->filename + strlen (entry->filename) - 4;
+
+ if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
+ {
+ if (pe_def_file == 0)
+ pe_def_file = def_file_empty ();
+ def_file_parse (entry->filename, pe_def_file);
+ if (pe_def_file)
+ {
+ int i, buflen=0, len;
+ char *buf;
+ for (i=0; i<pe_def_file->num_exports; i++)
+ {
+ len = strlen(pe_def_file->exports[i].internal_name);
+ if (buflen < len+2)
+ buflen = len+2;
+ }
+ buf = (char *) xmalloc (buflen);
+ for (i=0; i<pe_def_file->num_exports; i++)
+ {
+ struct bfd_link_hash_entry *h;
+ sprintf(buf, "_%s", pe_def_file->exports[i].internal_name);
+
+ h = bfd_link_hash_lookup (link_info.hash, buf, true, true, true);
+ if (h == (struct bfd_link_hash_entry *) NULL)
+ einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
+ if (h->type == bfd_link_hash_new)
+ {
+ h->type = bfd_link_hash_undefined;
+ h->u.undef.abfd = NULL;
+ bfd_link_add_undef (link_info.hash, h);
+ }
+ }
+ free (buf);
+
+ /* def_file_print (stdout, pe_def_file); */
+ if (pe_def_file->is_dll == 1)
+ link_info.shared = 1;
+
+ if (pe_def_file->base_address != (bfd_vma)(-1))
+ {
+ pe.ImageBase =
+ pe_data (output_bfd)->pe_opthdr.ImageBase =
+ init[IMAGEBASEOFF].value = pe_def_file->base_address;
+ init[IMAGEBASEOFF].inited = 1;
+ if (image_base_statement)
+ image_base_statement->exp =
+ exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
+ }
+
+#if 0
+ /* Not sure if these *should* be set */
+ if (pe_def_file->version_major != -1)
+ {
+ pe.MajorImageVersion = pe_def_file->version_major;
+ pe.MinorImageVersion = pe_def_file->version_minor;
+ }
+#endif
+ if (pe_def_file->stack_reserve != -1
+ && ! saw_option ("__size_of_stack_reserve__"))
+ {
+ pe.SizeOfStackReserve = pe_def_file->stack_reserve;
+ if (pe_def_file->stack_commit != -1)
+ pe.SizeOfStackCommit = pe_def_file->stack_commit;
+ }
+ if (pe_def_file->heap_reserve != -1
+ && ! saw_option ("__size_of_heap_reserve__"))
+ {
+ pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
+ if (pe_def_file->heap_commit != -1)
+ pe.SizeOfHeapCommit = pe_def_file->heap_commit;
+ }
+ return true;
+ }
+ }
+#endif
+ return false;
+
+}
- sort_sections (stat_ptr->head);
+static boolean
+gld_${EMULATION_NAME}_recognized_file(entry)
+ lang_input_statement_type *entry ATTRIBUTE_UNUSED;
+{
+#ifdef DLL_SUPPORT
+#ifdef TARGET_IS_i386pe
+ pe_dll_id_target ("pei-i386");
+#endif
+#ifdef TARGET_IS_shpe
+ pe_dll_id_target ("pei-shl");
+#endif
+#ifdef TARGET_IS_mipspe
+ pe_dll_id_target ("pei-mips");
+#endif
+#ifdef TARGET_IS_armpe
+ pe_dll_id_target ("pei-arm-little");
+#endif
+ if (bfd_get_format (entry->the_bfd) == bfd_object)
+ {
+ const char *ext = entry->filename + strlen (entry->filename) - 4;
+ if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
+ return pe_implied_import_dll (entry->filename);
+ }
+#endif
+ return false;
+}
+
+static void
+gld_${EMULATION_NAME}_finish ()
+{
+#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
+ struct bfd_link_hash_entry * h;
+
+ if (thumb_entry_symbol != NULL)
+ {
+ h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, false, false, true);
+
+ if (h != (struct bfd_link_hash_entry *) NULL
+ && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak)
+ && h->u.def.section->output_section != NULL)
+ {
+ static char buffer[32];
+ bfd_vma val;
+
+ /* Special procesing is required for a Thumb entry symbol. The
+ bottom bit of its address must be set. */
+ val = (h->u.def.value
+ + bfd_get_section_vma (output_bfd,
+ h->u.def.section->output_section)
+ + h->u.def.section->output_offset);
+
+ val |= 1;
+
+ /* Now convert this value into a string and store it in entry_symbol
+ where the lang_finish() function will pick it up. */
+ buffer[0] = '0';
+ buffer[1] = 'x';
+
+ sprintf_vma (buffer + 2, val);
+
+ if (entry_symbol != NULL && entry_from_cmdline)
+ einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
+ thumb_entry_symbol, entry_symbol);
+ entry_symbol = buffer;
+ }
+ else
+ einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
+ }
+#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */
+
+#ifdef DLL_SUPPORT
+ if (link_info.shared)
+ {
+ pe_dll_fill_sections (output_bfd, &link_info);
+ if (pe_implib_filename)
+ pe_dll_generate_implib (pe_def_file, pe_implib_filename);
+ }
+#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
+ else
+ {
+ pe_exe_fill_sections (output_bfd, &link_info);
+ }
+#endif
+
+ if (pe_out_def_filename)
+ pe_dll_generate_def_file (pe_out_def_filename);
+#endif
}
+
-/* Place an orphan section. We use this to put sections with a '\$' in them
- into the right place. Any section with a '\$' in them (e.g. .text\$foo)
- gets mapped to the output section with everything from the '\$' on stripped
- (e.g. .text).
- See the Microsoft Portable Executable and Common Object File Format
- Specification 4.1, section 4.2, Grouped Sections.
+/* Place an orphan section.
+
+ We use this to put sections in a reasonable place in the file, and
+ to ensure that they are aligned as required.
+
+ We handle grouped sections here as well. A section named .foo$nn
+ goes into the output section .foo. All grouped sections are sorted
+ by name.
+
+ Grouped sections for the default sections are handled by the
+ default linker script using wildcards, and are sorted by
+ sort_sections. */
+
+static asection *hold_section;
+static char *hold_section_name;
+static lang_output_section_statement_type *hold_use;
+static lang_output_section_statement_type *hold_text;
+static lang_output_section_statement_type *hold_rdata;
+static lang_output_section_statement_type *hold_data;
+static lang_output_section_statement_type *hold_bss;
- FIXME: This is now handled by the linker script using wildcards,
- but I'm leaving this here in case we want to enable it for sections
- which are not mentioned in the linker script. */
+/* Place an orphan section. We use this to put random SHF_ALLOC
+ sections in the right segment. */
/*ARGSUSED*/
static boolean
-gld${EMULATION_NAME}_place_orphan (file, s)
+gld_${EMULATION_NAME}_place_orphan (file, s)
lang_input_statement_type *file;
asection *s;
{
const char *secname;
- char *output_secname, *ps;
- lang_output_section_statement_type *os;
- lang_statement_union_type *l;
+ char *dollar = NULL;
if ((s->flags & SEC_ALLOC) == 0)
return false;
- /* Don't process grouped sections unless doing a final link.
- If they're marked as COMDAT sections, we don't want .text\$foo to
- end up in .text and then have .text disappear because it's marked
- link-once-discard. */
- if (link_info.relocateable)
- return false;
-
secname = bfd_get_section_name (s->owner, s);
- /* Everything from the '\$' on gets deleted so don't allow '\$' as the
- first character. */
- if (*secname == '\$')
- einfo ("%P%F: section %s has '\$' as first character\n", secname);
- if (strchr (secname + 1, '\$') == NULL)
- return false;
+ /* Look through the script to see where to place this section. */
- /* Look up the output section. The Microsoft specs say sections names in
- image files never contain a '\$'. Fortunately, lang_..._lookup creates
- the section if it doesn't exist. */
- output_secname = buystring (secname);
- ps = strchr (output_secname + 1, '\$');
- *ps = 0;
- os = lang_output_section_statement_lookup (output_secname);
-
- /* Find the '\$' wild statement for this section. We currently require the
- linker script to explicitly mention "*(.foo\$)".
- FIXME: ppcpe.sc has .CRT\$foo in the .rdata section. According to the
- Microsoft docs this isn't correct so it's not (currently) handled. */
-
- ps[0] = '\$';
- ps[1] = 0;
- for (l = os->children.head; l; l = l->next)
+ hold_section = s;
+
+ hold_section_name = xstrdup (secname);
+ if (!link_info.relocateable)
{
- if (l->header.type == lang_wild_statement_enum
- && strcmp (l->wild_statement.section_name, output_secname) == 0)
- break;
+ dollar = strchr (hold_section_name, '$');
+ if (dollar != NULL)
+ *dollar = '\0';
+ }
+
+ hold_use = NULL;
+ lang_for_each_statement (gld${EMULATION_NAME}_place_section);
+
+ if (hold_use == NULL)
+ {
+ lang_output_section_statement_type *place;
+ char *outsecname;
+ asection *snew, **pps;
+ lang_statement_list_type *old;
+ lang_statement_list_type add;
+ etree_type *address;
+
+ /* Try to put the new output section in a reasonable place based
+ on the section name and section flags. */
+ place = NULL;
+ if ((s->flags & SEC_HAS_CONTENTS) == 0
+ && hold_bss != NULL)
+ place = hold_bss;
+ else if ((s->flags & SEC_READONLY) == 0
+ && hold_data != NULL)
+ place = hold_data;
+ else if ((s->flags & SEC_CODE) == 0
+ && (s->flags & SEC_READONLY) != 0
+ && hold_rdata != NULL)
+ place = hold_rdata;
+ else if ((s->flags & SEC_READONLY) != 0
+ && hold_text != NULL)
+ place = hold_text;
+
+ /* Choose a unique name for the section. This will be needed if
+ the same section name appears in the input file with
+ different loadable or allocateable characteristics. */
+ outsecname = xstrdup (hold_section_name);
+ if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
+ {
+ unsigned int len;
+ char *newname;
+ unsigned int i;
+
+ len = strlen (outsecname);
+ newname = xmalloc (len + 5);
+ strcpy (newname, outsecname);
+ i = 0;
+ do
+ {
+ sprintf (newname + len, "%d", i);
+ ++i;
+ }
+ while (bfd_get_section_by_name (output_bfd, newname) != NULL);
+
+ free (outsecname);
+ outsecname = newname;
+ }
+
+ /* We don't want to free OUTSECNAME, as it may get attached to
+ the output section statement. */
+
+ /* Create the section in the output file, and put it in the
+ right place. This shuffling is to make the output file look
+ neater. */
+ snew = bfd_make_section (output_bfd, outsecname);
+ if (snew == NULL)
+ einfo ("%P%F: output format %s cannot represent section called %s\n",
+ output_bfd->xvec->name, outsecname);
+ if (place != NULL && place->bfd_section != NULL)
+ {
+ for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
+ ;
+ *pps = snew->next;
+ snew->next = place->bfd_section->next;
+ place->bfd_section->next = snew;
+ }
+
+ /* Start building a list of statements for this section. */
+ old = stat_ptr;
+ stat_ptr = &add;
+ lang_list_init (stat_ptr);
+
+ if (link_info.relocateable)
+ address = NULL;
+ else
+ {
+ /* All sections in an executable must be aligned to a page
+ boundary. */
+ address = exp_unop (ALIGN_K,
+ exp_nameop (NAME, "__section_alignment__"));
+ }
+
+ lang_enter_output_section_statement (outsecname, address, 0,
+ (bfd_vma) 0,
+ (etree_type *) NULL,
+ (etree_type *) NULL,
+ (etree_type *) NULL);
+
+ hold_use = lang_output_section_statement_lookup (outsecname);
+
+ lang_leave_output_section_statement
+ ((bfd_vma) 0, "*default*",
+ (struct lang_output_section_phdr_list *) NULL,
+ "*default*");
+
+ /* Now stick the new statement list right after PLACE. */
+ if (place != NULL)
+ {
+ *add.tail = place->header.next;
+ place->header.next = add.head;
+ }
+
+ stat_ptr = old;
}
- ps[0] = 0;
- if (l == NULL)
-#if 1
- einfo ("%P%F: *(%s\$) missing from linker script\n", output_secname);
-#else /* FIXME: This block is untried. It exists to convey the intent,
- should one decide to not require *(.foo\$) to appear in the linker
- script. */
+
+ if (dollar == NULL)
+ wild_doit (&hold_use->children, s, hold_use, file);
+ else
{
- lang_wild_statement_type *new = new_stat (lang_wild_statement,
- &os->children);
- new->section_name = xmalloc (strlen (output_secname) + 2);
- sprintf (new->section_name, "%s\$", output_secname);
- new->filename = NULL;
- lang_list_init (&new->children);
- l = new;
+ lang_statement_union_type **pl;
+ boolean found_dollar;
+ lang_statement_list_type list;
+
+ /* The section name has a '$'. Sort it with the other '$'
+ sections. */
+
+ found_dollar = false;
+ for (pl = &hold_use->children.head; *pl != NULL; pl = &(*pl)->next)
+ {
+ lang_input_section_type *ls;
+ const char *lname;
+
+ if ((*pl)->header.type != lang_input_section_enum)
+ continue;
+
+ ls = &(*pl)->input_section;
+
+ lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
+ if (strchr (lname, '$') == NULL)
+ {
+ if (found_dollar)
+ break;
+ }
+ else
+ {
+ found_dollar = true;
+ if (strcmp (secname, lname) < 0)
+ break;
+ }
+ }
+
+ lang_list_init (&list);
+ wild_doit (&list, s, hold_use, file);
+ if (list.head != NULL)
+ {
+ ASSERT (list.head->next == NULL);
+ list.head->next = *pl;
+ *pl = list.head;
+ }
}
-#endif
- /* Link the input section in and we're done for now.
- The sections still have to be sorted, but that has to wait until
- all such sections have been processed by us. The sorting is done by
- sort_sections. */
- wild_doit (&l->wild_statement.children, s, os, file);
+ free (hold_section_name);
return true;
}
+
+static void
+gld${EMULATION_NAME}_place_section (s)
+ lang_statement_union_type *s;
+{
+ lang_output_section_statement_type *os;
+
+ if (s->header.type != lang_output_section_statement_enum)
+ return;
+
+ os = &s->output_section_statement;
+
+ if (strcmp (os->name, hold_section_name) == 0
+ && os->bfd_section != NULL
+ && ((hold_section->flags & (SEC_LOAD | SEC_ALLOC))
+ == (os->bfd_section->flags & (SEC_LOAD | SEC_ALLOC))))
+ hold_use = os;
+
+ if (strcmp (os->name, ".text") == 0)
+ hold_text = os;
+ else if (strcmp (os->name, ".rdata") == 0)
+ hold_rdata = os;
+ else if (strcmp (os->name, ".data") == 0)
+ hold_data = os;
+ else if (strcmp (os->name, ".bss") == 0)
+ hold_bss = os;
+}
+
+static int
+gld_${EMULATION_NAME}_find_potential_libraries (name, entry)
+ char * name;
+ lang_input_statement_type * entry;
+{
+ return ldfile_open_file_search (name, entry, "", ".lib");
+}
static char *
gld_${EMULATION_NAME}_get_script(isfile)
@@ -737,7 +1314,7 @@ gld_${EMULATION_NAME}_get_script(isfile)
EOF
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
-sc="-f ${srcdir}/emultempl/stringify.sed"
+sc="-f stringify.sed"
cat >>e${EMULATION_NAME}.c <<EOF
{
@@ -765,7 +1342,7 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
gld_${EMULATION_NAME}_before_parse,
syslib_default,
hll_default,
- after_parse_default,
+ gld_${EMULATION_NAME}_after_parse,
gld_${EMULATION_NAME}_after_open,
after_allocation_default,
set_output_arch_default,
@@ -774,11 +1351,15 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
gld_${EMULATION_NAME}_get_script,
"${EMULATION_NAME}",
"${OUTPUT_FORMAT}",
- NULL, /* finish */
+ gld_${EMULATION_NAME}_finish, /* finish */
NULL, /* create output section statements */
NULL, /* open dynamic archive */
- gld${EMULATION_NAME}_place_orphan,
+ gld_${EMULATION_NAME}_place_orphan,
gld_${EMULATION_NAME}_set_symbols,
- gld_${EMULATION_NAME}_parse_args
+ gld_${EMULATION_NAME}_parse_args,
+ gld_${EMULATION_NAME}_unrecognized_file,
+ gld_${EMULATION_NAME}_list_options,
+ gld_${EMULATION_NAME}_recognized_file,
+ gld_${EMULATION_NAME}_find_potential_libraries
};
EOF
diff --git a/contrib/binutils/ld/emultempl/vanilla.em b/contrib/binutils/ld/emultempl/vanilla.em
index 04e36fb..0a74abd 100644
--- a/contrib/binutils/ld/emultempl/vanilla.em
+++ b/contrib/binutils/ld/emultempl/vanilla.em
@@ -64,6 +64,16 @@ struct ld_emulation_xfer_struct ld_vanilla_emulation =
before_allocation_default,
vanilla_get_script,
"vanilla",
- "a.out-sunos-big"
+ "a.out-sunos-big",
+ NULL, /* finish */
+ NULL, /* create output section statements */
+ NULL, /* open dynamic archive */
+ NULL, /* place orphan */
+ NULL, /* set symbols */
+ NULL, /* parse args */
+ NULL, /* unrecognized file */
+ NULL, /* list options */
+ NULL, /* recognized file */
+ NULL /* find_potential_libraries */
};
EOF
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