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re PR go/81893 (compilation error in libgo starting with r251127)

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PR go/81893
    runtime: only use PPC GNU/Linux register code on little endian
    
    Reportedly the current code builds on little endian but not big endian.
    
    Fixes https://gcc.gnu.org/PR81893.
    
    Reviewed-on: https://go-review.googlesource.com/57110

From-SVN: r251188
This commit is contained in:
Ian Lance Taylor 2017-08-18 20:17:26 +00:00
parent b74f0db11a
commit b66d36128f
2 changed files with 5 additions and 2 deletions
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2
gcc/go/gofrontend/MERGE
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@ -1,4 +1,4 @@
28e49825162465172ed706283628bf5cc1996260
2c4a2bd826e58c8c8c51b9196c8d2c67abc4037e
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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@ -343,7 +343,7 @@ dumpregs(siginfo_t *info __attribute__((unused)), void *context __attribute__((u
#endif
#endif
#ifdef __PPC__
#if defined(__PPC__) && defined(__LITTLE_ENDIAN__)
#ifdef __linux__
{
mcontext_t *m = &((ucontext_t*)(context))->uc_mcontext;
@ -359,6 +359,9 @@ dumpregs(siginfo_t *info __attribute__((unused)), void *context __attribute__((u
runtime_printf("xer %X\n", m->regs->xer);
}
#endif
#endif
#ifdef __PPC__
#ifdef _AIX
{
mcontext_t *m = &((ucontext_t*)(context))->uc_mcontext;