diff options
Diffstat (limited to 'contrib/gcc/config/i386/freebsd.h')
| -rw-r--r-- | contrib/gcc/config/i386/freebsd.h | 85 |
1 files changed, 62 insertions, 23 deletions
diff --git a/contrib/gcc/config/i386/freebsd.h b/contrib/gcc/config/i386/freebsd.h index 8398733..c1b41a5 100644 --- a/contrib/gcc/config/i386/freebsd.h +++ b/contrib/gcc/config/i386/freebsd.h @@ -103,10 +103,39 @@ Boston, MA 02111-1307, USA. */ fprintf ((FILE), "%s%s%d:\n", (TARGET_UNDERSCORES) ? "" : ".", \ (PREFIX), (NUM)) +/* This is how to hack on the symbol code of certain relcalcitrant + symbols to modify their output in output_pic_addr_const (). */ + +#undef ASM_HACK_SYMBOLREF_CODE +#define ASM_HACK_SYMBOLREF_CODE(NAME, CODE) \ +do { \ + /* Part of hack to avoid writing lots of rtl in \ + FUNCTION_PROFILER_EPILOGUE (). */ \ + char *_name = (NAME); \ + if (*_name == '.' && strcmp(_name + 1, "mexitcount") == 0) \ + (CODE) = 'X'; \ +} while (0) + /* This is how to output a reference to a user-level label named NAME. */ -#undef ASM_OUTPUT_LABELREF + +#undef ASM_OUTPUT_LABELREF #define ASM_OUTPUT_LABELREF(FILE, NAME) \ - fprintf ((FILE), "%s%s", (TARGET_UNDERSCORES) ? "_" : "", (NAME)) +do { \ + char *_name = (NAME); \ + /* Hack to avoid writing lots of rtl in \ + FUNCTION_PROFILER_EPILOGUE (). */ \ + if (*_name == '.' && strcmp(_name + 1, "mexitcount") == 0) \ + { \ + if (TARGET_AOUT) \ + _name++; \ + if (flag_pic) \ + fprintf ((FILE), "*%s@GOT(%%ebx)", _name); \ + else \ + fprintf ((FILE), "%s", _name); \ + } \ + else \ + fprintf (FILE, "%s%s", TARGET_UNDERSCORES ? "_" : "", _name); \ +} while (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 @@ -416,37 +445,47 @@ do { \ /* 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. */ +/* Output assembler code to FILE to begin profiling of the current function. + LABELNO is an optional label. */ #undef FUNCTION_PROFILER -#define FUNCTION_PROFILER(FILE, LABELNO) \ -{ \ +#define FUNCTION_PROFILER(FILE, LABELNO) \ +do { \ + char *_name = TARGET_AOUT ? "mcount" : ".mcount"; \ if (flag_pic) \ - { \ - fprintf ((FILE), "\tcall *%s@GOT(%%ebx)\n", \ - TARGET_AOUT ? "mcount" : ".mcount"); \ - } \ + fprintf ((FILE), "\tcall *%s@GOT(%%ebx)\n", _name); \ else \ - { \ - fprintf ((FILE), "\tcall %s\n", TARGET_AOUT ? "mcount" : ".mcount"); \ - } \ -} + fprintf ((FILE), "\tcall %s\n", _name); \ +} while (0) + +/* Output assembler code to FILE to end profiling of the current function. */ #undef FUNCTION_PROFILER_EPILOGUE -#define FUNCTION_PROFILER_EPILOGUE(FILE) \ -{ \ +#define FUNCTION_PROFILER_EPILOGUE(FILE, DO_RTL) \ +do { \ if (TARGET_PROFILER_EPILOGUE) \ { \ - if (flag_pic) \ - fprintf ((FILE), "\tcall *%s@GOT(%%ebx)\n", \ - TARGET_AOUT ? "mexitcount" : ".mexitcount"); \ + if (DO_RTL) \ + { \ + /* ".mexitcount" is specially handled in \ + ASM_HACK_SYMBOLREF () so that we don't need to handle \ + flag_pic or TARGET_AOUT here. */ \ + rtx xop; \ + xop = gen_rtx_MEM (FUNCTION_MODE, \ + gen_rtx_SYMBOL_REF (Pmode, ".mexitcount")); \ + emit_call_insn (gen_rtx (CALL, VOIDmode, xop, const0_rtx)); \ + } \ else \ - fprintf ((FILE), "\tcall %s\n", \ - TARGET_AOUT ? "mexitcount" : ".mexitcount"); \ + { \ + /* XXX this !DO_RTL case is broken but not actually used. */ \ + char *_name = TARGET_AOUT ? "mcount" : ".mcount"; \ + if (flag_pic) \ + fprintf (FILE, "\tcall *%s@GOT(%%ebx)\n", _name); \ + else \ + fprintf (FILE, "\tcall %s\n", _name); \ + } \ } \ -} +} while (0) #undef SIZE_TYPE #define SIZE_TYPE "unsigned int" |
