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 __extension__ union { 28 /* General-purpose registers. */ 29 __uint_reg_t gregs[56]; 30 __extension__ struct { 31 __uint_reg_t __gregs[53]; 32 __uint_reg_t tp; /* Aliases gregs[TREG_TP]. */ 33 __uint_reg_t sp; /* Aliases gregs[TREG_SP]. */ 34 __uint_reg_t lr; /* Aliases gregs[TREG_LR]. */ 35 }; 36 }; 37 __uint_reg_t pc; /* Program counter. */ 38 __uint_reg_t ics; /* In Interrupt Critical Section? */ 39 __uint_reg_t faultnum; /* Fault number. */ 40 __uint_reg_t pad[5]; 41}; 42 43#endif /* _ASM_TILE_SIGCONTEXT_H */ 44