diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.c')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 85730fc23b6..4b7fefd6650 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -335,6 +335,9 @@ static const char alt_reg_names[][8] = #ifndef MASK_STRICT_ALIGN #define MASK_STRICT_ALIGN 0 #endif +#ifndef TARGET_PROFILE_KERNEL +#define TARGET_PROFILE_KERNEL 0 +#endif /* The VRSAVE bitmask puts bit %v0 as the most significant bit. */ #define ALTIVEC_REG_BIT(REGNO) (0x80000000 >> ((REGNO) - FIRST_ALTIVEC_REGNO)) @@ -9225,7 +9228,9 @@ rs6000_stack_info () /* Determine if we need to save the link register. */ if (rs6000_ra_ever_killed () - || (DEFAULT_ABI == ABI_AIX && current_function_profile) + || (DEFAULT_ABI == ABI_AIX + && current_function_profile + && !TARGET_PROFILE_KERNEL) #ifdef TARGET_RELOCATABLE || (TARGET_RELOCATABLE && (get_pool_size () != 0)) #endif @@ -12234,6 +12239,9 @@ void output_profile_hook (labelno) int labelno ATTRIBUTE_UNUSED; { + if (TARGET_PROFILE_KERNEL) + return; + if (DEFAULT_ABI == ABI_AIX) { #ifdef NO_PROFILE_COUNTERS @@ -12285,7 +12293,6 @@ output_function_profiler (file, labelno) char buf[100]; int save_lr = 8; - ASM_GENERATE_INTERNAL_LABEL (buf, "LP", labelno); switch (DEFAULT_ABI) { default: @@ -12301,6 +12308,7 @@ output_function_profiler (file, labelno) warning ("no profiling of 64-bit code for this ABI"); return; } + ASM_GENERATE_INTERNAL_LABEL (buf, "LP", labelno); fprintf (file, "\tmflr %s\n", reg_names[0]); if (flag_pic == 1) { @@ -12355,7 +12363,29 @@ output_function_profiler (file, labelno) case ABI_AIX: case ABI_DARWIN: - /* Don't do anything, done in output_profile_hook (). */ + if (!TARGET_PROFILE_KERNEL) + { + /* Don't do anything, done in output_profile_hook (). */ + } + else + { + if (TARGET_32BIT) + abort (); + + asm_fprintf (file, "\tmflr %s\n", reg_names[0]); + asm_fprintf (file, "\tstd %s,16(%s)\n", reg_names[0], reg_names[1]); + + if (current_function_needs_context) + { + asm_fprintf (file, "\tstd %s,24(%s)\n", + reg_names[STATIC_CHAIN_REGNUM], reg_names[1]); + fprintf (file, "\tbl %s\n", RS6000_MCOUNT); + asm_fprintf (file, "\tld %s,24(%s)\n", + reg_names[STATIC_CHAIN_REGNUM], reg_names[1]); + } + else + fprintf (file, "\tbl %s\n", RS6000_MCOUNT); + } break; } } |
