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