1/*
 2 * Copyright 2010 Tilera Corporation. All Rights Reserved.
 3 *
 4 *   This program is free software; you can redistribute it and/or
 5 *   modify it under the terms of the GNU General Public License
 6 *   as published by the Free Software Foundation, version 2.
 7 *
 8 *   This program is distributed in the hope that it will be useful, but
 9 *   WITHOUT ANY WARRANTY; without even the implied warranty of
10 *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11 *   NON INFRINGEMENT.  See the GNU General Public License for
12 *   more details.
13 */
14
15#ifndef _ASM_TILE_SIGCONTEXT_H
16#define _ASM_TILE_SIGCONTEXT_H
17
18/* Don't pollute the namespace since <signal.h> includes this file. */
19#define __need_int_reg_t
20#include <arch/abi.h>
21
22/*
23 * struct sigcontext has the same shape as struct pt_regs,
24 * but is simplified since we know the fault is from userspace.
25 */
26struct sigcontext {
27	__uint_reg_t gregs[53];	/* General-purpose registers.  */
28	__uint_reg_t tp;	/* Aliases gregs[TREG_TP].  */
29	__uint_reg_t sp;	/* Aliases gregs[TREG_SP].  */
30	__uint_reg_t lr;	/* Aliases gregs[TREG_LR].  */
31	__uint_reg_t pc;	/* Program counter.  */
32	__uint_reg_t ics;	/* In Interrupt Critical Section?  */
33	__uint_reg_t faultnum;	/* Fault number.  */
34	__uint_reg_t pad[5];
35};
36
37#endif /* _ASM_TILE_SIGCONTEXT_H */