diff options
| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-01-05 00:24:15 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-01-05 00:24:15 +0000 |
| commit | 9a00604e53ba4d84abd8cf1b6551713c94637e71 (patch) | |
| tree | 11550a0a2513bc0773501fabcb100f6c2acd4a9e | |
| parent | adb7f9c365969503911d6eef79be84481a0fa966 (diff) | |
| download | gcc-9a00604e53ba4d84abd8cf1b6551713c94637e71.zip gcc-9a00604e53ba4d84abd8cf1b6551713c94637e71.tar.gz gcc-9a00604e53ba4d84abd8cf1b6551713c94637e71.tar.bz2 | |
re PR go/46959 (M68K Not Supported by Go)
PR go/46959
PR go/46960
PR go/46961
PR go/46962
PR go/46963
PR go/46964
Use __builtin_unwind_init rather than the SAVE_REGS hack.
From-SVN: r168500
| -rw-r--r-- | libgo/runtime/go-go.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/libgo/runtime/go-go.c b/libgo/runtime/go-go.c index 55aa3e3..112d52f 100644 --- a/libgo/runtime/go-go.c +++ b/libgo/runtime/go-go.c @@ -25,21 +25,6 @@ extern void *__splitstack_find (void *, void *, size_t *, void **, void **, void **); #endif -/* We need to ensure that all callee-saved registers are stored on the - stack, in case they hold pointers. */ - -#if defined(__i386__) - #ifndef __PIC__ - #define SAVE_REGS asm ("" : : : "esi", "edi", "ebx") - #else - #define SAVE_REGS asm ("" : : : "esi", "edi") - #endif -#elif defined(__x86_64__) - #define SAVE_REGS asm ("" : : : "r12", "r13", "r14", "r15", "rbp", "rbx") -#else - #error must define SAVE_REGS -#endif - /* We stop the threads by sending them the signal GO_SIG_STOP and we start them by sending them the signal GO_SIG_START. */ @@ -344,7 +329,7 @@ __go_run_goroutine_gc (int r) needed if we are called directly, since otherwise we might miss something that a function somewhere up the call stack is holding in a register. */ - SAVE_REGS; + __builtin_unwind_init (); stop_for_gc (); @@ -433,7 +418,7 @@ __go_scanstacks (void (*scan) (byte *, int64)) struct __go_thread_id *p; /* Make sure all the registers for this thread are on the stack. */ - SAVE_REGS; + __builtin_unwind_init (); me = pthread_self (); for (p = __go_all_thread_ids; p != NULL; p = p->next) |