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runtime: use correct field name for PPC32 GLIBC registers 

One of these days we will get this right.

Fixes PR go/105315

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/401374
This commit is contained in:
Ian Lance Taylor 2022-04-20 14:22:41 -07:00
parent 29a25a6038
commit 6a4e993454
2 changed files with 24 additions and 13 deletions
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2
gcc/go/gofrontend/MERGE
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@ -1,4 +1,4 @@
99ca6be406a5781be078ff23f45a72b4c84b16e3
70ca85f08edf63f46c87d540fa99c45e2903edc2
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.

35
libgo/runtime/go-signal.c
View File

@ -233,7 +233,11 @@ getSiginfo(siginfo_t *info, void *context __attribute__((unused)))
#elif defined(__PPC64__) && defined(__linux__)
ret.sigpc = ((ucontext_t*)(context))->uc_mcontext.gp_regs[32];
#elif defined(__PPC__) && defined(__linux__)
# if defined(__GLIBC__)
ret.sigpc = ((ucontext_t*)(context))->uc_mcontext.uc_regs->gregs[32];
# else
ret.sigpc = ((ucontext_t*)(context))->uc_mcontext.gregs[32];
# endif
#elif defined(__PPC__) && defined(_AIX)
ret.sigpc = ((ucontext_t*)(context))->uc_mcontext.jmp_context.iar;
#elif defined(__aarch64__) && defined(__linux__)
@ -344,12 +348,13 @@ dumpregs(siginfo_t *info __attribute__((unused)), void *context __attribute__((u
runtime_printf("sp %X\n", m->sc_regs[30]);
runtime_printf("pc %X\n", m->sc_pc);
}
#elif defined(__PPC__) && defined(__LITTLE_ENDIAN__) && defined(__linux__)
#elif defined(__PPC__) && defined(__linux__)
{
mcontext_t *m = &((ucontext_t*)(context))->uc_mcontext;
int i;
#if defined(__PPC64__)
# if defined(__PPC64__)
mcontext_t *m = &((ucontext_t*)(context))->uc_mcontext;
for (i = 0; i < 32; i++)
runtime_printf("r%d %X\n", i, m->gp_regs[i]);
runtime_printf("pc %X\n", m->gp_regs[32]);
@ -358,16 +363,22 @@ dumpregs(siginfo_t *info __attribute__((unused)), void *context __attribute__((u
runtime_printf("lr %X\n", m->gp_regs[36]);
runtime_printf("ctr %X\n", m->gp_regs[35]);
runtime_printf("xer %X\n", m->gp_regs[37]);
#else
# else
# if defined(__GLIBC__)
mcontext_t *m = ((ucontext_t*)(context))->uc_mcontext.uc_regs;
# else
mcontext_t *m = &((ucontext_t*)(context))->uc_mcontext;
# endif
for (i = 0; i < 32; i++)
runtime_printf("r%d %X\n", i, m->gregs[i]);
runtime_printf("pc %X\n", m->gregs[32]);
runtime_printf("msr %X\n", m->gregs[33]);
runtime_printf("cr %X\n", m->gregs[38]);
runtime_printf("lr %X\n", m->gregs[36]);
runtime_printf("ctr %X\n", m->gregs[35]);
runtime_printf("xer %X\n", m->gregs[37]);
#endif
runtime_printf("r%d %x\n", i, m->gregs[i]);
runtime_printf("pc %x\n", m->gregs[32]);
runtime_printf("msr %x\n", m->gregs[33]);
runtime_printf("cr %x\n", m->gregs[38]);
runtime_printf("lr %x\n", m->gregs[36]);
runtime_printf("ctr %x\n", m->gregs[35]);
runtime_printf("xer %x\n", m->gregs[37]);
# endif
}
#elif defined(__PPC__) && defined(_AIX)
{