alistair23-linux/arch/metag/include/uapi/asm/sigcontext.h
James Hogan 262d96b0de metag: Signal handling
Add signal handling code for metag.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
2013-03-02 20:09:21 +00:00

32 lines
831 B
C

#ifndef _ASM_METAG_SIGCONTEXT_H
#define _ASM_METAG_SIGCONTEXT_H
#include <asm/ptrace.h>
/*
* In a sigcontext structure we need to store the active state of the
* user process so that it does not get trashed when we call the signal
* handler. That not really the same as a user context that we are
* going to store on syscall etc.
*/
struct sigcontext {
struct user_gp_regs regs; /* needs to be first */
/*
* Catch registers describing a memory fault.
* If USER_GP_REGS_STATUS_CATCH_BIT is set in regs.status then catch
* buffers have been saved and will be replayed on sigreturn.
* Clear that bit to discard the catch state instead of replaying it.
*/
struct user_cb_regs cb;
/*
* Read pipeline state. This will get restored on sigreturn.
*/
struct user_rp_state rp;
unsigned long oldmask;
};
#endif