diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h index a2f2b1f7de..242b490fcc 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h @@ -16,8 +16,46 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ +#ifndef _SIGCONTEXTINFO_H +#define _SIGCONTEXTINFO_H + +#include <bits/types/siginfo_t.h> + +/* 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; + __siginfo_fpu_t *fpu_save; + stack_t stack; + sigset_t mask; + __siginfo_rwin_t *rwin_save; + }; + + Unlike other architectures, sparc64 passe the siginfo_t INFO pointer + as the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */ + #ifndef STACK_BIAS #define STACK_BIAS 2047 #endif -#define SIGCONTEXT struct sigcontext * -#define GET_PC(__ctx) ((void *) ((__ctx)->sigc_regs.tpc)) + +struct pt_regs +{ + unsigned long int u_regs[16]; + unsigned long int tstate; + unsigned long int tpc; + unsigned long int tnpc; + unsigned int y; + unsigned int magic; +}; + +static inline uintptr_t +sigcontext_get_pc (const siginfo_t *ctx) +{ + struct pt_regs *regs = (struct pt_regs*) ((siginfo_t *)(ctx) + 1); + return regs->tpc; +} + +#endif |