blob: ef79a910c1c44dd2b55781019e72e599c0486674 [file] [log] [blame]
James Hogan262d96b2012-10-09 10:54:27 +01001#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 */
12struct 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