| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | struct sigscratch { |
| 2 | unsigned long scratch_unat; /* ar.unat for the general registers saved in pt */ |
| 3 | unsigned long ar_pfs; /* for syscalls, the user-level function-state */ |
| 4 | struct pt_regs pt; |
| 5 | }; |
| 6 | |
| 7 | struct sigframe { |
| 8 | /* |
| 9 | * Place signal handler args where user-level unwinder can find them easily. |
| 10 | * DO NOT MOVE THESE. They are part of the IA-64 Linux ABI and there is |
| 11 | * user-level code that depends on their presence! |
| 12 | */ |
| 13 | unsigned long arg0; /* signum */ |
| 14 | unsigned long arg1; /* siginfo pointer */ |
| 15 | unsigned long arg2; /* sigcontext pointer */ |
| 16 | /* |
| 17 | * End of architected state. |
| 18 | */ |
| 19 | |
| 20 | void __user *handler; /* pointer to the plabel of the signal handler */ |
| 21 | struct siginfo info; |
| 22 | struct sigcontext sc; |
| 23 | }; |
| 24 | |
| 25 | extern long ia64_do_signal (sigset_t *, struct sigscratch *, long); |