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linux.h (NO_PROFILE_COUNTERS): Define. 

* config/rs6000/linux.h (NO_PROFILE_COUNTERS): Define.
	* config/rs6000/linux64.h (NO_PROFILE_COUNTERS): Define as 1.
	* config/rs6000/rs6000.c (output_function_profiler): Obey
	NO_PROFILE_COUNTERS.  Handle TARGET_SECURE_PLT.  Use "bcl 20,31"
	for -fPIC.  Delete save_lr and substitute its value into strings.

From-SVN: r100814
This commit is contained in:
Alan Modra 2005-06-10 01:44:59 +00:00 committed by Alan Modra
parent 2e3f0db6f9
commit 71625f3dc6
4 changed files with 38 additions and 12 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2005-06-10 Alan Modra <amodra@bigpond.net.au>
* config/rs6000/linux.h (NO_PROFILE_COUNTERS): Define.
* config/rs6000/linux64.h (NO_PROFILE_COUNTERS): Define as 1.
* config/rs6000/rs6000.c (output_function_profiler): Obey
NO_PROFILE_COUNTERS. Handle TARGET_SECURE_PLT. Use "bcl 20,31"
for -fPIC. Delete save_lr and substitute its value into strings.
2005-06-09 Dale Johannesen <dalej@apple.com>
* config/i386/i386.c (optimization_options): Make -fno-math-errno

5
gcc/config/rs6000/linux.h
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@ -1,6 +1,6 @@
/* Definitions of target machine for GNU compiler,
for PowerPC machines running Linux.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
Contributed by Michael Meissner (meissner@cygnus.com).
@ -28,6 +28,9 @@
process. */
#define OS_MISSING_POWERPC64 1
/* We use glibc _mcount for profiling. */
#define NO_PROFILE_COUNTERS 1
/* glibc has float and long double forms of math functions. */
#undef TARGET_C99_FUNCTIONS
#define TARGET_C99_FUNCTIONS 1

2
gcc/config/rs6000/linux64.h
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@ -207,7 +207,7 @@ extern int dot_symbols;
#endif
/* We use glibc _mcount for profiling. */
#define NO_PROFILE_COUNTERS TARGET_64BIT
#define NO_PROFILE_COUNTERS 1
#define PROFILE_HOOK(LABEL) \
do { if (TARGET_64BIT) output_profile_hook (LABEL); } while (0)

35
gcc/config/rs6000/rs6000.c
View File

@ -15433,7 +15433,6 @@ void
output_function_profiler (FILE *file, int labelno)
{
char buf[100];
int save_lr = 8;
switch (DEFAULT_ABI)
{
@ -15441,7 +15440,6 @@ output_function_profiler (FILE *file, int labelno)
gcc_unreachable ();
case ABI_V4:
save_lr = 4;
if (!TARGET_32BIT)
{
warning (0, "no profiling of 64-bit code for this ABI");
@ -15449,11 +15447,28 @@ output_function_profiler (FILE *file, int labelno)
}
ASM_GENERATE_INTERNAL_LABEL (buf, "LP", labelno);
fprintf (file, "\tmflr %s\n", reg_names[0]);
if (flag_pic == 1)
if (NO_PROFILE_COUNTERS)
{
asm_fprintf (file, "\t{st|stw} %s,4(%s)\n",
reg_names[0], reg_names[1]);
}
else if (TARGET_SECURE_PLT && flag_pic)
{
asm_fprintf (file, "\tbcl 20,31,1f\n1:\n\t{st|stw} %s,4(%s)\n",
reg_names[0], reg_names[1]);
asm_fprintf (file, "\tmflr %s\n", reg_names[12]);
asm_fprintf (file, "\t{cau|addis} %s,%s,",
reg_names[12], reg_names[12]);
assemble_name (file, buf);
asm_fprintf (file, "-1b@ha\n\t{cal|la} %s,", reg_names[0]);
assemble_name (file, buf);
asm_fprintf (file, "-1b@l(%s)\n", reg_names[12]);
}
else if (flag_pic == 1)
{
fputs ("\tbl _GLOBAL_OFFSET_TABLE_@local-4\n", file);
asm_fprintf (file, "\t{st|stw} %s,%d(%s)\n",
reg_names[0], save_lr, reg_names[1]);
asm_fprintf (file, "\t{st|stw} %s,4(%s)\n",
reg_names[0], reg_names[1]);
asm_fprintf (file, "\tmflr %s\n", reg_names[12]);
asm_fprintf (file, "\t{l|lwz} %s,", reg_names[0]);
assemble_name (file, buf);
@ -15461,10 +15476,10 @@ output_function_profiler (FILE *file, int labelno)
}
else if (flag_pic > 1)
{
asm_fprintf (file, "\t{st|stw} %s,%d(%s)\n",
reg_names[0], save_lr, reg_names[1]);
asm_fprintf (file, "\t{st|stw} %s,4(%s)\n",
reg_names[0], reg_names[1]);
/* Now, we need to get the address of the label. */
fputs ("\tbl 1f\n\t.long ", file);
fputs ("\tbcl 20,31,1f\n\t.long ", file);
assemble_name (file, buf);
fputs ("-.\n1:", file);
asm_fprintf (file, "\tmflr %s\n", reg_names[11]);
@ -15478,8 +15493,8 @@ output_function_profiler (FILE *file, int labelno)
asm_fprintf (file, "\t{liu|lis} %s,", reg_names[12]);
assemble_name (file, buf);
fputs ("@ha\n", file);
asm_fprintf (file, "\t{st|stw} %s,%d(%s)\n",
reg_names[0], save_lr, reg_names[1]);
asm_fprintf (file, "\t{st|stw} %s,4(%s)\n",
reg_names[0], reg_names[1]);
asm_fprintf (file, "\t{cal|la} %s,", reg_names[0]);
assemble_name (file, buf);
asm_fprintf (file, "@l(%s)\n", reg_names[12]);