diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h b/sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h index 209a6c9dac..ab30e8b5d5 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h @@ -84,16 +84,23 @@ struct __siginfo_sparc64_fpu unsigned int si_fprs; }; +/* Unlike other architectures, sparc32 passes pt_regs32 REGS pointer as + the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */ static void -register_dump (int fd, SIGCONTEXT ctx) +register_dump (int fd, void *ctx) { char regs[36][8]; char fregs[68][8]; struct iovec iov[150]; size_t nr = 0; int i; - unsigned int *r = (unsigned int *) - ctx->si_regs.u_regs[14]; + struct pt_regs32 *ptregs = (struct pt_regs32 *) ctx; + struct compat_sigset_t + { + unsigned int sig[2]; + }; + struct compat_sigset_t *mask = (struct compat_sigset_t *)(ptregs + 1); + unsigned int *r = (unsigned int *) ptregs->u_regs[14]; #define ADD_STRING(str) \ iov[nr].iov_base = (char *) str; \ @@ -105,15 +112,16 @@ register_dump (int fd, SIGCONTEXT ctx) ++nr /* Generate strings of register contents. */ - hexvalue (ctx->si_regs.psr, regs[0], 8); - hexvalue (ctx->si_regs.pc, regs[1], 8); - hexvalue (ctx->si_regs.npc, regs[2], 8); - hexvalue (ctx->si_regs.y, regs[3], 8); + hexvalue (ptregs->psr, regs[0], 8); + hexvalue (ptregs->pc, regs[1], 8); + hexvalue (ptregs->npc, regs[2], 8); + hexvalue (ptregs->y, regs[3], 8); for (i = 1; i <= 15; i++) - hexvalue (ctx->si_regs.u_regs[i], regs[3+i], 8); + hexvalue (ptregs->u_regs[i], regs[3+i], 8); for (i = 0; i <= 15; i++) hexvalue (r[i], regs[19+i], 8); - hexvalue (ctx->si_mask, regs[35], 8); + + hexvalue (mask->sig[0], regs[35], 8); /* Generate the output. */ ADD_STRING ("Register dump:\n\n PSR: "); @@ -189,11 +197,11 @@ register_dump (int fd, SIGCONTEXT ctx) ADD_STRING ("\n\n Old mask: "); ADD_MEM (regs[35], 8); - if ((ctx->si_regs.psr & 0xff000000) == 0xff000000) + if ((ptregs->psr & 0xff000000) == 0xff000000) { - struct __siginfo_sparc64_fpu *f; + struct __siginfo_sparc64_fpu *f = *(struct __siginfo_sparc64_fpu **) + (mask + 1); - f = *(struct __siginfo_sparc64_fpu **) (ctx + 1); if (f != NULL) { for (i = 0; i < 64; i++) @@ -277,9 +285,9 @@ register_dump (int fd, SIGCONTEXT ctx) } else { - struct __siginfo_sparc32_fpu *f; + struct __siginfo_sparc32_fpu *f = *(struct __siginfo_sparc32_fpu **) + (mask + 1); - f = *(struct __siginfo_sparc32_fpu **) (ctx + 1); if (f != NULL) { for (i = 0; i < 32; i++) |