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| author | meissner <meissner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1995-03-01 20:30:14 +0000 |
|---|---|---|
| committer | meissner <meissner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1995-03-01 20:30:14 +0000 |
| commit | fa23dea95e6b361e3db9cb88215aa55357241fe0 (patch) | |
| tree | 7aa1dd831c440632d40a33266751c438c949ec0e /gcc/libgcc2.c | |
| parent | 0e7cd28c7674f14b5b55e09565d1edbedfaa7276 (diff) | |
| download | gcc-fa23dea95e6b361e3db9cb88215aa55357241fe0.tar.gz | |
Clone unwind_function for powerpc
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@9103 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/libgcc2.c')
| -rw-r--r-- | gcc/libgcc2.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c index b8891dab631..39598efb038 100644 --- a/gcc/libgcc2.c +++ b/gcc/libgcc2.c @@ -2298,7 +2298,25 @@ __unwind_function(void *ptr) asm("# br"); asm("mtctr 3;bctr # b 3"); } -#endif +#endif /* rs6000 */ + +#if #machine(powerpc) +__unwind_function(void *ptr) +{ + asm("mr 31,1"); + asm("lwz 1,0(1)"); + asm("lwz 31,-4(1)"); + asm("# br"); + + asm("mr 31,1"); + asm("lwz 1,0(1)"); + /* use 31 as a scratch register to restore the link register. */ + asm("lwz 31, 8(1);mtlr 31 # l lr,8(1)"); + asm("lwz 31,-4(1)"); + asm("# br"); + asm("mtctr 3;bctr # b 3"); +} +#endif /* powerpc */ #endif /* L_eh */ #ifdef L_pure |