/* Definition of `struct sigcontext' for Linux/ARM Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ /* The format of struct sigcontext changed between 2.0 and 2.1 kernels. Fortunately 2.0 puts a magic number in the first word and this is not a legal value for `trap_no', so we can tell them apart. */ /* Early 2.2 and 2.3 kernels do not have the `fault_address' member in the sigcontext structure. Unfortunately there is no reliable way to test for its presence and this word will contain garbage for too-old kernels. Versions 2.2.14 and 2.3.35 (plus later versions) are known to include this element. */ #ifndef __ARMSIGCTX_H #define __ARMSIGCTX_H 1 #include <asm/ptrace.h> union k_sigcontext { struct { unsigned long int trap_no; unsigned long int error_code; unsigned long int oldmask; unsigned long int arm_r0; unsigned long int arm_r1; unsigned long int arm_r2; unsigned long int arm_r3; unsigned long int arm_r4; unsigned long int arm_r5; unsigned long int arm_r6; unsigned long int arm_r7; unsigned long int arm_r8; unsigned long int arm_r9; unsigned long int arm_r10; unsigned long int arm_fp; unsigned long int arm_ip; unsigned long int arm_sp; unsigned long int arm_lr; unsigned long int arm_pc; unsigned long int arm_cpsr; unsigned long fault_address; } v21; struct { unsigned long int magic; struct pt_regs reg; unsigned long int trap_no; unsigned long int error_code; unsigned long int oldmask; } v20; }; #define SIGCONTEXT_2_0_MAGIC 0x4B534154 #endif /* bits/armsigctx.h */