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New calling sequence for profiling, old available with -mmcount. 

From-SVN: r5642
This commit is contained in:
Michael Meissner 1993-10-06 19:29:21 +00:00
parent 68386e1e3c
commit ed882fd5eb
1 changed files with 66 additions and 6 deletions
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72
gcc/config/i386/osfrose.h
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@ -1,6 +1,6 @@
/* Definitions of target machine for GNU compiler.
Intel 386 (OSF/1 with OSF/rose) version.
Copyright (C) 1991 Free Software Foundation, Inc.
Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -36,6 +36,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define MASK_NO_IDENT 0x08000000 /* suppress .ident */
#define MASK_NO_UNDERSCORES 0x04000000 /* suppress leading _ */
#define MASK_LARGE_ALIGN 0x02000000 /* align to >word boundaries */
#define MASK_MCOUNT 0x01000000 /* profiling uses mcount */
#define TARGET_HALF_PIC (target_flags & MASK_HALF_PIC)
#define TARGET_DEBUG (target_flags & MASK_HALF_PIC_DEBUG)
@ -45,6 +46,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define TARGET_IDENT ((target_flags & MASK_NO_IDENT) == 0)
#define TARGET_UNDERSCORES ((target_flags & MASK_NO_UNDERSCORES) == 0)
#define TARGET_LARGE_ALIGN (target_flags & MASK_LARGE_ALIGN)
#define TARGET_MCOUNT (target_flags & MASK_MCOUNT)
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
@ -58,8 +60,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
{ "no-ident", MASK_NO_IDENT}, \
{ "underscores", -MASK_NO_UNDERSCORES}, \
{ "no-underscores", MASK_NO_UNDERSCORES}, \
{ "large-align", MASK_LARGE_ALIGN}, \
{ "no-large-align",-MASK_LARGE_ALIGN}, \
{ "large-align", MASK_LARGE_ALIGN},
{ "mcount", MASK_MCOUNT}, \
{ "no-mcount", -MASK_MCOUNT},
/* OSF/rose uses stabs, not dwarf. */
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
@ -148,11 +152,67 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Temporarily turn off long double being 96 bits. */
#undef LONG_DOUBLE_TYPE_SIZE
/* Tell final.c we don't need a label passed to mcount. */
#define NO_PROFILE_DATA
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) fprintf (FILE, "\tcall _mcount\n")
#define FUNCTION_PROFILER(FILE, LABELNO) \
do \
{ \
if (TARGET_MCOUNT && flag_pic) \
{ \
fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \
LPREFIX, LABELNO); \
fprintf (FILE, "\tcall *_mcount@GOT(%%ebx)\n"); \
} \
\
/* Note that OSF/rose blew it in terms of calling mcount, since \
OSF/rose prepends a leading underscore, but mcount's doesn't. \
OSF/elf fixes this by not prepending leading underscores. */ \
else if (TARGET_MCOUNT) \
{ \
fprintf (FILE, "\tmovl $%sP%d,%%edx\n", LPREFIX, LABELNO); \
fprintf (FILE, "\tcall _mcount\n"); \
} \
\
else \
{ \
char *underscore = (TARGET_UNDERSCORES) ? "_" : ""; \
char *func = IDENTIFIER_POINTER (DECL_NAME (current_function_decl)); \
\
if (flag_pic) \
{ \
fprintf (FILE, "\tmovl %s_real_mcount@GOT(%%ebx),%%eax)\n", \
underscore); \
fprintf (FILE, "\tmovl (%%eax),%%eax\n"); \
} \
else \
fprintf (FILE, "\tmovl %s_real_mcount,%%eax\n", underscore); \
\
if (flag_omit_frame_pointer) \
abort (); \
else \
fprintf (FILE, "\tmovl 4(%%ebp),%%ecx\n"); \
\
if (flag_pic) \
{ \
fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \
LPREFIX, LABELNO); \
fprintf (FILE, "\tpushl %%edx\n"); \
fprintf (FILE, "\tpushl %%ecx\n"); \
fprintf (FILE, "\tleal $%s%s@GOTOFF(%%ebx),%%ecx\n", \
underscore, func); \
fprintf (FILE, "\tpushl %%ecx\n"); \
} \
else \
{ \
fprintf (FILE, "\tpushl $%sP%d\n", LPREFIX, LABELNO); \
fprintf (FILE, "\tpushl %%ecx\n"); \
fprintf (FILE, "\tpushl $%s%s\n", underscore, func); \
} \
\
fprintf (FILE, "\tcall *%%eax\n"); \
fprintf (FILE, "\taddl $12,%%esp\n"); \
} \
} \
while (0)
/* A C statement or compound statement to output to FILE some
assembler code to initialize basic-block profiling for the current