diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h | 42 |
1 files changed, 30 insertions, 12 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h b/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h index 0f1078ad9e..23ff36453a 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h @@ -60,17 +60,36 @@ hexvalue (unsigned long int value, char *buf, size_t len) *--cp = '0'; } +/* The sparc64 kernel signal frame for SA_SIGINFO is defined as: + + struct rt_signal_frame + { + struct sparc_stackf ss; + siginfo_t info; + struct pt_regs regs; <- void *ctx + __siginfo_fpu_t *fpu_save; + stack_t stack; + sigset_t mask; + __siginfo_rwin_t *rwin_save; + }; + + Unlike other architectures, sparc32 passes pt_regs32 REGS pointers 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][16]; char fregs[68][8]; struct iovec iov[150]; size_t nr = 0; int i; - unsigned long *r = (unsigned long *) - (ctx->sigc_regs.u_regs[14] + STACK_BIAS); - __siginfo_fpu_t *f; + struct pt_regs *ptregs = (struct pt_regs*) ((siginfo_t *)ctx + 1); + unsigned long *r = (unsigned long *) (ptregs->u_regs[14] + STACK_BIAS); + __siginfo_fpu_t *f = (__siginfo_fpu_t *)(ptregs + 1); + struct kernel_sigset_t { + unsigned long sig[1]; + } *mask = (struct kernel_sigset_t *)((stack_t *)(f + 1) + 1); #define ADD_STRING(str) \ iov[nr].iov_base = (char *) str; \ @@ -82,15 +101,15 @@ register_dump (int fd, SIGCONTEXT ctx) ++nr /* Generate strings of register contents. */ - hexvalue (ctx->sigc_regs.tstate, regs[0], 16); - hexvalue (ctx->sigc_regs.tpc, regs[1], 16); - hexvalue (ctx->sigc_regs.tnpc, regs[2], 16); - hexvalue (ctx->sigc_regs.y, regs[3], 8); + hexvalue (ptregs->tstate, regs[0], 16); + hexvalue (ptregs->tpc, regs[1], 16); + hexvalue (ptregs->tnpc, regs[2], 16); + hexvalue (ptregs->y, regs[3], 8); for (i = 1; i <= 15; i++) - hexvalue (ctx->sigc_regs.u_regs[i], regs[3+i], 16); + hexvalue (ptregs->u_regs[i], regs[3+i], 16); for (i = 0; i <= 15; i++) - hexvalue (r[i], regs[19+i], 16); - hexvalue (ctx->sigc_mask, regs[35], 16); + hexvalue (r[i], regs[19+i], 16); + hexvalue (mask->sig[0], regs[35], 16); /* Generate the output. */ ADD_STRING ("Register dump:\n\n TSTATE: "); @@ -166,7 +185,6 @@ register_dump (int fd, SIGCONTEXT ctx) ADD_STRING ("\n\n Mask: "); ADD_MEM (regs[35], 16); - f = ctx->sigc_fpu_save; if (f != NULL) { for (i = 0; i < 64; i++) |