James Hogan | 262d96b | 2012-10-09 10:54:27 +0100 | [diff] [blame] | 1 | #ifndef _ASM_METAG_SIGCONTEXT_H |
| 2 | #define _ASM_METAG_SIGCONTEXT_H |
| 3 | |
| 4 | #include <asm/ptrace.h> |
| 5 | |
| 6 | /* |
| 7 | * In a sigcontext structure we need to store the active state of the |
| 8 | * user process so that it does not get trashed when we call the signal |
| 9 | * handler. That not really the same as a user context that we are |
| 10 | * going to store on syscall etc. |
| 11 | */ |
| 12 | struct sigcontext { |
| 13 | struct user_gp_regs regs; /* needs to be first */ |
| 14 | |
| 15 | /* |
| 16 | * Catch registers describing a memory fault. |
| 17 | * If USER_GP_REGS_STATUS_CATCH_BIT is set in regs.status then catch |
| 18 | * buffers have been saved and will be replayed on sigreturn. |
| 19 | * Clear that bit to discard the catch state instead of replaying it. |
| 20 | */ |
| 21 | struct user_cb_regs cb; |
| 22 | |
| 23 | /* |
| 24 | * Read pipeline state. This will get restored on sigreturn. |
| 25 | */ |
| 26 | struct user_rp_state rp; |
| 27 | |
| 28 | unsigned long oldmask; |
| 29 | }; |
| 30 | |
| 31 | #endif |