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| author | Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> | 1997-09-22 17:46:38 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1997-09-22 11:46:38 -0600 |
| commit | 078e983e5101473e8aa2772a93432ede89a1c962 (patch) | |
| tree | f3dfb912d786988b84272ecf03e8c80e859c1486 /gcc/config/m68k/m68k.h | |
| parent | 9524f769a795d7ad5b9a1d5266d372ef3f466f4c (diff) | |
| download | gcc-078e983e5101473e8aa2772a93432ede89a1c962.zip gcc-078e983e5101473e8aa2772a93432ede89a1c962.tar.gz gcc-078e983e5101473e8aa2772a93432ede89a1c962.tar.bz2 | |
m68k.c (output_function_prologue): Add dwarf2 support.
* m68k.c (output_function_prologue): Add dwarf2 support.
* m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
INCOMING_FRAME_SP_OFFSET): New definitions.
From-SVN: r15631
Diffstat (limited to 'gcc/config/m68k/m68k.h')
| -rw-r--r-- | gcc/config/m68k/m68k.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h index 0ac38cb..6004aaa 100644 --- a/gcc/config/m68k/m68k.h +++ b/gcc/config/m68k/m68k.h @@ -1792,6 +1792,18 @@ __transfer_from_trampoline () \ #define DBX_REGISTER_NUMBER(REGNO) ((REGNO) < 16 ? (REGNO) : (REGNO) + 2) +/* Before the prologue, RA is at 0(%sp). */ +#define INCOMING_RETURN_ADDR_RTX \ + gen_rtx (MEM, VOIDmode, gen_rtx (REG, VOIDmode, STACK_POINTER_REGNUM)) + +/* We must not use the DBX register numbers for the DWARF 2 CFA column + numbers because that maps to numbers beyond FIRST_PSEUDO_REGISTER. + Instead use the identity mapping. */ +#define DWARF_FRAME_REGNUM(REG) REG + +/* Before the prologue, the top of the frame is at 4(%sp). */ +#define INCOMING_FRAME_SP_OFFSET 4 + /* This is how to output the definition of a user-level label named NAME, such as the label on a static function or variable NAME. */ |