diff options
Diffstat (limited to 'contrib')
| -rw-r--r-- | contrib/gcc/config/i386/freebsd-elf.h | 82 |
1 files changed, 50 insertions, 32 deletions
diff --git a/contrib/gcc/config/i386/freebsd-elf.h b/contrib/gcc/config/i386/freebsd-elf.h index f69d57f..061d595 100644 --- a/contrib/gcc/config/i386/freebsd-elf.h +++ b/contrib/gcc/config/i386/freebsd-elf.h @@ -31,10 +31,20 @@ Boston, MA 02111-1307, USA. */ #undef TARGET_VERSION #define TARGET_VERSION fprintf (stderr, " (i386 FreeBSD/ELF)"); +#define MASK_PROFILER_EPILOGUE 010000000000 + +#define TARGET_PROFILER_EPILOGUE (target_flags & MASK_PROFILER_EPILOGUE) + +#undef SUBTARGET_SWITCHES +#define SUBTARGET_SWITCHES \ + { "profiler-epilogue", MASK_PROFILER_EPILOGUE}, \ + { "no-profiler-epilogue", -MASK_PROFILER_EPILOGUE}, + /* The svr4 ABI for the i386 says that records and unions are returned in memory. */ +/* On FreeBSD, we do not. */ #undef DEFAULT_PCC_STRUCT_RETURN -#define DEFAULT_PCC_STRUCT_RETURN 1 +#define DEFAULT_PCC_STRUCT_RETURN 0 /* This is how to output an element of a case-vector that is relative. This is only used for PIC code. See comments by the `casesi' insn in @@ -115,22 +125,30 @@ Boston, MA 02111-1307, USA. */ : ((n) >= FIRST_STACK_REG && (n) <= LAST_STACK_REG) ? (n)+3 \ : (-1)) +/* Tell final.c that we don't need a label passed to mcount. */ +#define NO_PROFILE_DATA + /* Output assembler code to FILE to increment profiler label # LABELNO for profiling a function entry. */ +/* Redefine this to not pass an unused label in %edx. */ #undef FUNCTION_PROFILER #define FUNCTION_PROFILER(FILE, LABELNO) \ { \ if (flag_pic) \ - { \ - fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \ - LPREFIX, (LABELNO)); \ - fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \ - } \ + fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \ else \ + fprintf (FILE, "\tcall mcount\n"); \ +} + +#define FUNCTION_PROFILER_EPILOGUE(FILE) \ +{ \ + if (TARGET_PROFILER_EPILOGUE) \ { \ - fprintf (FILE, "\tmovl $%sP%d,%%edx\n", LPREFIX, (LABELNO)); \ - fprintf (FILE, "\tcall mcount\n"); \ + if (flag_pic) \ + fprintf (FILE, "\tcall *mexitcount@GOT(%%ebx)\n"); \ + else \ + fprintf (FILE, "\tcall mexitcount\n"); \ } \ } @@ -142,7 +160,9 @@ Boston, MA 02111-1307, USA. */ #undef WCHAR_TYPE #define WCHAR_TYPE "int" - + +#define WCHAR_UNSIGNED 0 + #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE BITS_PER_WORD @@ -189,26 +209,14 @@ Boston, MA 02111-1307, USA. */ #undef CPP_SPEC #if TARGET_CPU_DEFAULT == 2 -#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{!m386:-D__i486__} %{posix:-D_POSIX_SOURCE}" +#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{!m386:-D__i486__}" #else -#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{m486:-D__i486__} %{posix:-D_POSIX_SOURCE}" +#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{m486:-D__i486__}" #endif -#undef LIB_SPEC -#if 1 -/* We no longer link with libc_p.a or libg.a by default. If you - * want to profile or debug the C library, please add - * -lc_p or -ggdb to LDFLAGS at the link time, respectively. - */ -#define LIB_SPEC \ - "%{!shared: %{mieee-fp:-lieee} %{p:-lgmon} %{pg:-lgmon} \ - %{!ggdb:%{{!pthread:-lc}%{pthread:-lc_r}}} %{ggdb:-lg}}" -#else -#define LIB_SPEC \ - "%{!shared: \ - %{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \ - %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}}" -#endif +/* Like the default, except no -lg, and no -p. */ +#undef LIB_SPEC +#define LIB_SPEC "%{!shared:%{!pg:%{!pthread:-lc}%{pthread:-lc_r}}%{pg:%{!pthread:-lc_p}%{pthread:-lc_r_p}}}" /* Provide a LINK_SPEC appropriate for FreeBSD. Here we provide support for the special GCC options -static and -shared, which allow us to @@ -225,13 +233,23 @@ Boston, MA 02111-1307, USA. */ done. */ #undef LINK_SPEC -#define LINK_SPEC "-m elf_i386 %{shared:-shared} \ +#define LINK_SPEC \ + "-m elf_i386 -L/usr/lib %{shared:-shared} \ %{!shared: \ - %{!ibcs: \ - %{!static: \ - %{rdynamic:-export-dynamic} \ - %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \ - %{static:-static}}}" + %{!static: \ + %{rdynamic:-export-dynamic} \ + %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \ + %{static:-static}}" /* Get perform_* macros to build libgcc.a. */ #include "i386/perform.h" + +#define LINK_LIBGCC_SPECIAL_1 1 + +/* This goes away when the math emulator is fixed. */ +#undef TARGET_DEFAULT +#define TARGET_DEFAULT (MASK_NO_FANCY_MATH_387 | 0301) + +#define HAVE_ATEXIT +#define HAVE_PUTENV + |
