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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
/* Copyright (C) 1998, 1999, 2001 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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/* System V/ARM ABI compliant context switching support. */
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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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#include <sys/procfs.h>
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typedef int greg_t;
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/* Number of general registers. */
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#define NGREG 16
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/* Container for all general registers. */
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typedef elf_gregset_t gregset_t;
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/* Number of each register is the `gregset_t' array. */
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enum
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{
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R0 = 0,
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#define R0 R0
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R1 = 1,
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#define R1 R1
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R2 = 2,
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#define R2 R2
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R3 = 3,
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#define R3 R3
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R4 = 4,
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#define R4 R4
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R5 = 5,
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#define R5 R5
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R6 = 6,
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#define R6 R6
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R7 = 7,
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#define R7 R7
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R8 = 8,
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#define R8 R8
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R9 = 9,
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#define R9 R9
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R10 = 10,
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#define R10 R10
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R11 = 11,
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#define R11 R11
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R12 = 12,
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#define R12 R12
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R13 = 13,
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#define R13 R13
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R14 = 14,
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#define R14 R14
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R15 = 15
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#define R15 R15
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};
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/* Structure to describe FPU registers. */
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typedef elf_fpregset_t fpregset_t;
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/* Context to describe whole processor state. */
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typedef struct
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{
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gregset_t gregs;
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fpregset_t fpregs;
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} 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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__sigset_t uc_sigmask;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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long int uc_filler[5];
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} ucontext_t;
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#endif /* sys/ucontext.h */
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