2014-01-01 11:03:15 +00:00
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/* Copyright (C) 2011-2014 Free Software Foundation, Inc.
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2011-12-04 02:14:25 +00:00
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This file is part of the GNU C Library.
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Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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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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2012-03-09 23:56:38 +00:00
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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2011-12-04 02:14:25 +00:00
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#ifndef _SYS_UCONTEXT_H
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#define _SYS_UCONTEXT_H 1
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#include <features.h>
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#include <signal.h>
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/* We need the signal context definitions even if they are not used
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included in <signal.h>. */
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#include <bits/sigcontext.h>
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/* Get register type and register names. */
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#include <arch/abi.h>
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/* Type for general register. */
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typedef uint_reg_t greg_t;
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/* Number of general registers. Must agree with <asm/ptrace.h>. */
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#define NGREG 64
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/* Container for all general registers. */
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typedef greg_t gregset_t[NGREG];
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#ifdef __USE_GNU
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/* Names for interesting registers in the `gregset_t' array. */
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enum
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{
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/* ... r0 through r51 are just 0 through 51 ... */
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REG_FP = TREG_FP,
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# define REG_FP REG_FP
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REG_TP = TREG_TP,
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# define REG_TP REG_TP
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REG_SP = TREG_SP,
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# define REG_SP REG_SP
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REG_LR = TREG_LR,
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# define REG_LR REG_LR
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};
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#endif
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/* A machine context is exactly a sigcontext. */
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typedef struct sigcontext mcontext_t;
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/* Userlevel context. */
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typedef struct ucontext
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{
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unsigned long int uc_flags;
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struct ucontext *uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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__sigset_t uc_sigmask;
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} ucontext_t;
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#endif /* sys/ucontext.h */
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