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| author | Paul Brook <paul@codesourcery.com> | 2008-10-08 13:38:15 +0000 |
|---|---|---|
| committer | Paul Brook <pbrook@gcc.gnu.org> | 2008-10-08 13:38:15 +0000 |
| commit | a7e8c6529f38a95a89c7b3a19a309401ffa7b6d4 (patch) | |
| tree | ab282aadee2694c7693ec8730d9cbec55529c22a | |
| parent | 54723b46231868447f68ed5322d916bd05bffae3 (diff) | |
| download | gcc-a7e8c6529f38a95a89c7b3a19a309401ffa7b6d4.zip gcc-a7e8c6529f38a95a89c7b3a19a309401ffa7b6d4.tar.gz gcc-a7e8c6529f38a95a89c7b3a19a309401ffa7b6d4.tar.bz2 | |
bpabi.h (ARM_FUNCTION_PROFILER): Define new EABI compatible profiler (__gnu_mcount_nc).
2008-10-08 Paul Brook <paul@codesourcery.com>
gcc/
* config/arm/bpabi.h (ARM_FUNCTION_PROFILER): Define new EABI
compatible profiler (__gnu_mcount_nc).
(SUBTARGET_FRAME_POINTER_REQUIRED): Define.
From-SVN: r140974
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/arm/bpabi.h | 17 |
2 files changed, 23 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9fc2a98..f3ce56f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-10-08 Paul Brook <paul@codesourcery.com> + + * config/arm/bpabi.h (ARM_FUNCTION_PROFILER): Define new EABI + compatible profiler (__gnu_mcount_nc). + (SUBTARGET_FRAME_POINTER_REQUIRED): Define. + 2008-10-08 H.J. Lu <hongjiu.lu@intel.com> * config/i386/i386.c (initial_ix86_tune_features): Add diff --git a/gcc/config/arm/bpabi.h b/gcc/config/arm/bpabi.h index 38be1da..c8cdc3d 100644 --- a/gcc/config/arm/bpabi.h +++ b/gcc/config/arm/bpabi.h @@ -147,3 +147,20 @@ #undef FINI_SECTION_ASM_OP #define INIT_ARRAY_SECTION_ASM_OP ARM_EABI_CTORS_SECTION_OP #define FINI_ARRAY_SECTION_ASM_OP ARM_EABI_DTORS_SECTION_OP + +/* The legacy _mcount implementation assumes r11 points to a + 4-word APCS frame. This is generally not true for EABI targets, + particularly not in Thumb mode. We assume the mcount + implementation does not require a counter variable (No Counter). + Note that __gnu_mcount_nc will be entered with a misaligned stack. + This is OK because it uses a special calling convention anyway. */ + +#undef ARM_FUNCTION_PROFILER +#define ARM_FUNCTION_PROFILER(STREAM, LABELNO) \ +{ \ + fprintf (STREAM, "\tpush\t{lr}\n"); \ + fprintf (STREAM, "\tbl\t__gnu_mcount_nc\n"); \ +} + +#undef SUBTARGET_FRAME_POINTER_REQUIRED +#define SUBTARGET_FRAME_POINTER_REQUIRED 0 |