1/* Definition of `struct sigcontext' for Linux/ARM 2 Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, write to the Free 17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 18 02111-1307 USA. */ 19 20/* The format of struct sigcontext changed between 2.0 and 2.1 kernels. 21 Fortunately 2.0 puts a magic number in the first word and this is not 22 a legal value for `trap_no', so we can tell them apart. */ 23 24/* Early 2.2 and 2.3 kernels do not have the `fault_address' member in 25 the sigcontext structure. Unfortunately there is no reliable way 26 to test for its presence and this word will contain garbage for too-old 27 kernels. Versions 2.2.14 and 2.3.35 (plus later versions) are known to 28 include this element. */ 29 30#ifndef __ARMSIGCTX_H 31#define __ARMSIGCTX_H 1 32 33#include <asm/ptrace.h> 34 35union k_sigcontext 36 { 37 struct 38 { 39 unsigned long int trap_no; 40 unsigned long int error_code; 41 unsigned long int oldmask; 42 unsigned long int arm_r0; 43 unsigned long int arm_r1; 44 unsigned long int arm_r2; 45 unsigned long int arm_r3; 46 unsigned long int arm_r4; 47 unsigned long int arm_r5; 48 unsigned long int arm_r6; 49 unsigned long int arm_r7; 50 unsigned long int arm_r8; 51 unsigned long int arm_r9; 52 unsigned long int arm_r10; 53 unsigned long int arm_fp; 54 unsigned long int arm_ip; 55 unsigned long int arm_sp; 56 unsigned long int arm_lr; 57 unsigned long int arm_pc; 58 unsigned long int arm_cpsr; 59 unsigned long fault_address; 60 } v21; 61 struct 62 { 63 unsigned long int magic; 64 struct pt_regs reg; 65 unsigned long int trap_no; 66 unsigned long int error_code; 67 unsigned long int oldmask; 68 } v20; 69}; 70 71#define SIGCONTEXT_2_0_MAGIC 0x4B534154 72 73#endif /* bits/armsigctx.h */ 74