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| author | Kaz Kojima <kkojima@gcc.gnu.org> | 2003-08-14 00:11:19 +0000 |
|---|---|---|
| committer | Kaz Kojima <kkojima@gcc.gnu.org> | 2003-08-14 00:11:19 +0000 |
| commit | 235b4b36bfab9e3d94688b0fde2be160a7faa81c (patch) | |
| tree | 1f75726a825173c0ad2abd1afabd29f18e317953 /gcc | |
| parent | 996b4f8f5aa2ef2b0f6861d7093b520c3b89e99d (diff) | |
| download | gcc-235b4b36bfab9e3d94688b0fde2be160a7faa81c.zip gcc-235b4b36bfab9e3d94688b0fde2be160a7faa81c.tar.gz gcc-235b4b36bfab9e3d94688b0fde2be160a7faa81c.tar.bz2 | |
linux.h (DBX_REGISTER_NUMBER): Define so to map a special index for MD_FALLBACK_FRAME_STATE_FOR to itself.
* config/sh/linux.h (DBX_REGISTER_NUMBER): Define so to map a
special index for MD_FALLBACK_FRAME_STATE_FOR to itself.
From-SVN: r70422
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/sh/linux.h | 11 |
2 files changed, 16 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a09b228..c91f301 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-08-13 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/linux.h (DBX_REGISTER_NUMBER): Define so to map a + special index for MD_FALLBACK_FRAME_STATE_FOR to itself. + 2003-08-13 J"orn Rennecke <joern.rennecke@superh.com> * sh.c (sh_get_pr_initial_val): Always wrap in unspec for TARGET_SH1. diff --git a/gcc/config/sh/linux.h b/gcc/config/sh/linux.h index edc7fa6..1ba1a1a 100644 --- a/gcc/config/sh/linux.h +++ b/gcc/config/sh/linux.h @@ -277,3 +277,14 @@ do { \ #endif /* defined (__SH5__) */ #endif /* IN_LIBGCC2 */ + +/* For SH3 and SH4, we use a slot of the unwind frame which correspond + to a fake register number 16 as a placeholder for the return address + in MD_FALLBACK_FRAME_STATE_FOR and its content will be read with + _Unwind_GetGR which uses dwarf_reg_size_table to get the size of + the register. So the entry of dwarf_reg_size_table corresponding to + this slot must be set. To do this, we redefine DBX_REGISTER_NUMBER + so as to return itself for 16. */ +#undef DBX_REGISTER_NUMBER +#define DBX_REGISTER_NUMBER(REGNO) \ + ((! TARGET_SH5 && (REGNO) == 16) ? 16 : SH_DBX_REGISTER_NUMBER (REGNO)) |