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127 lines
2.8 KiB
C
127 lines
2.8 KiB
C
/* Copyright (C) 1999-2018 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, see
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<http://www.gnu.org/licenses/>. */
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/* Where is System V/SH ABI? */
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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 <bits/types/sigset_t.h>
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#include <bits/types/stack_t.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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#ifdef __USE_MISC
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# define NGREG __NGREG
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#endif
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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_MISC
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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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REG_R0 = 0,
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# define REG_R0 REG_R0
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REG_R1 = 1,
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# define REG_R1 REG_R1
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REG_R2 = 2,
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# define REG_R2 REG_R2
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REG_R3 = 3,
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# define REG_R3 REG_R3
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REG_R4 = 4,
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# define REG_R4 REG_R4
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REG_R5 = 5,
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# define REG_R5 REG_R5
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REG_R6 = 6,
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# define REG_R6 REG_R6
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REG_R7 = 7,
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# define REG_R7 REG_R7
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REG_R8 = 8,
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# define REG_R8 REG_R8
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REG_R9 = 9,
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# define REG_R9 REG_R9
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REG_R10 = 10,
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# define REG_R10 REG_R10
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REG_R11 = 11,
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# define REG_R11 REG_R11
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REG_R12 = 12,
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# define REG_R12 REG_R12
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REG_R13 = 13,
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# define REG_R13 REG_R13
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REG_R14 = 14,
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# define REG_R14 REG_R14
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REG_R15 = 15,
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# define REG_R15 REG_R15
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};
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#endif
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typedef int freg_t;
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/* Number of FPU registers. */
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#define __NFPREG 16
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#ifdef __USE_MISC
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# define NFPREG __NFPREG
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#endif
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/* Structure to describe FPU registers. */
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typedef freg_t fpregset_t[__NFPREG];
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#ifdef __USE_MISC
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# define __ctx(fld) fld
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#else
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# define __ctx(fld) __ ## fld
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#endif
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/* Context to describe whole processor state. */
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typedef struct
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{
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unsigned int __ctx(oldmask);
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gregset_t __ctx(gregs);
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unsigned int __ctx(pc);
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unsigned int __ctx(pr);
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unsigned int __ctx(sr);
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unsigned int __ctx(gbr);
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unsigned int __ctx(mach);
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unsigned int __ctx(macl);
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fpregset_t __ctx(fpregs);
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fpregset_t __ctx(xfpregs);
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unsigned int __ctx(fpscr);
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unsigned int __ctx(fpul);
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unsigned int __ctx(ownedfp);
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} mcontext_t;
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/* Userlevel context. */
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typedef struct ucontext_t
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{
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unsigned long int __ctx(uc_flags);
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struct ucontext_t *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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#undef __ctx
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#endif /* sys/ucontext.h */
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