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runtime: handle PPC/PPC64 GNU/Linux in getSiginfo

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Updates golang/go#20931
    
    Reviewed-on: https://go-review.googlesource.com/50631

From-SVN: r250436
This commit is contained in:
Ian Lance Taylor 2017-07-21 18:08:01 +00:00
parent b3530b946f
commit 0ab7176094
2 changed files with 6 additions and 1 deletions
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2
gcc/go/gofrontend/MERGE
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@ -1,4 +1,4 @@
e34cb8dee6c1f215329e0eea79202b48cb83817c
a9f1aeced86691de891fbf2a8c97e848faf1962e
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.

5
libgo/runtime/go-signal.c
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@ -215,6 +215,11 @@ getSiginfo(siginfo_t *info, void *context __attribute__((unused)))
ret.sigpc = ((ucontext_t*)(context))->uc_mcontext.gregs[REG_EIP];
#endif
#endif
#ifdef __PPC__
#ifdef __linux__
ret.sigpc = ((ucontext_t*)(context))->uc_mcontext.regs->nip;
#endif
#endif
if (ret.sigpc == 0) {
// Skip getSiginfo/sighandler/sigtrampgo/sigtramp/handler.