runtime: use regset indexes for PPC register values

Using names depended on <asm/ptrace.h>, which glibc includes somewhere
but musl did not.  Change to just always use indexes.

Based on patch by Sören Tempel.

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/400214
This commit is contained in:
Ian Lance Taylor 2022-04-13 14:37:12 -07:00
parent c5de3444c4
commit af27d545dc
2 changed files with 11 additions and 16 deletions

View File

@ -1,4 +1,4 @@
45108f37070afb696b069768700e39a269f1fecb
323ab0e6fab89978bdbd83dca9c2ad9c5dcd690f
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.

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@ -230,15 +230,10 @@ getSiginfo(siginfo_t *info, void *context __attribute__((unused)))
ret.sigpc = ((ucontext_t*)(context))->uc_mcontext.gregs[REG_EIP];
#elif defined(__alpha__) && defined(__linux__)
ret.sigpc = ((ucontext_t*)(context))->uc_mcontext.sc_pc;
#elif defined(__PPC64__) && defined(__linux__)
ret.sigpc = ((ucontext_t*)(context))->uc_mcontext.gp_regs[32];
#elif defined(__PPC__) && defined(__linux__)
// For some reason different libc implementations use
// different names.
#if defined(__PPC64__) || defined(__GLIBC__)
ret.sigpc = ((ucontext_t*)(context))->uc_mcontext.regs->nip;
#else
// Assumed to be ppc32 musl.
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__)
@ -354,15 +349,15 @@ dumpregs(siginfo_t *info __attribute__((unused)), void *context __attribute__((u
mcontext_t *m = &((ucontext_t*)(context))->uc_mcontext;
int i;
#if defined(__PPC64__) || defined(__GLIBC__)
#if defined(__PPC64__)
for (i = 0; i < 32; i++)
runtime_printf("r%d %X\n", i, m->regs->gpr[i]);
runtime_printf("pc %X\n", m->regs->nip);
runtime_printf("msr %X\n", m->regs->msr);
runtime_printf("cr %X\n", m->regs->ccr);
runtime_printf("lr %X\n", m->regs->link);
runtime_printf("ctr %X\n", m->regs->ctr);
runtime_printf("xer %X\n", m->regs->xer);
runtime_printf("r%d %X\n", i, m->gp_regs[i]);
runtime_printf("pc %X\n", m->gp_regs[32]);
runtime_printf("msr %X\n", m->gp_regs[33]);
runtime_printf("cr %X\n", m->gp_regs[38]);
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
for (i = 0; i < 32; i++)
runtime_printf("r%d %X\n", i, m->gregs[i]);