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| author | Ian Lance Taylor <iant@golang.org> | 2022-03-31 13:05:37 -0700 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2022-03-31 13:26:13 -0700 |
| commit | 0abc1cbad1687a887d754917927b6023e4dba3ce (patch) | |
| tree | cca493c0b5be2d593d79df869ed7d405d6e7305d /libgo | |
| parent | 58d78650da3c6e4830b8350f4e6cbe87dc893c9f (diff) | |
| download | gcc-0abc1cbad1687a887d754917927b6023e4dba3ce.tar.gz | |
runtime: support PPC32 MUSL register access
Based on patch by Sören Tempel.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/397394
Diffstat (limited to 'libgo')
| -rw-r--r-- | libgo/runtime/go-signal.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libgo/runtime/go-signal.c b/libgo/runtime/go-signal.c index 0cb90304730..9c919e1568a 100644 --- a/libgo/runtime/go-signal.c +++ b/libgo/runtime/go-signal.c @@ -231,7 +231,14 @@ getSiginfo(siginfo_t *info, void *context __attribute__((unused))) #elif defined(__alpha__) && defined(__linux__) ret.sigpc = ((ucontext_t*)(context))->uc_mcontext.sc_pc; #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__) @@ -347,6 +354,7 @@ 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__) 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); @@ -355,6 +363,16 @@ dumpregs(siginfo_t *info __attribute__((unused)), void *context __attribute__((u runtime_printf("lr %X\n", m->regs->link); runtime_printf("ctr %X\n", m->regs->ctr); runtime_printf("xer %X\n", m->regs->xer); +#else + 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 } #elif defined(__PPC__) && defined(_AIX) { |