/* Copyright (C) 2002-2018 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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#ifndef _BITS_SIGCONTEXT_H

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#define _BITS_SIGCONTEXT_H 1

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#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H

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# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."

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#endif

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#include <bits/types.h>

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#define FP_XSTATE_MAGIC1 0x46505853U

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#define FP_XSTATE_MAGIC2 0x46505845U

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#define FP_XSTATE_MAGIC2_SIZE sizeof(FP_XSTATE_MAGIC2)

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struct _fpx_sw_bytes

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{

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__uint32_t magic1;

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__uint32_t extended_size;

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__uint64_t xstate_bv;

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__uint32_t xstate_size;

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__uint32_t __glibc_reserved1[7];

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};

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struct _fpreg

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{

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unsigned short significand[4];

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unsigned short exponent;

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};

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struct _fpxreg

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{

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unsigned short significand[4];

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unsigned short exponent;

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unsigned short __glibc_reserved1[3];

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};

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struct _xmmreg

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{

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__uint32_t element[4];

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};

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#ifndef __x86_64__

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struct _fpstate

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{

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/* Regular FPU environment. */

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__uint32_t cw;

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__uint32_t sw;

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__uint32_t tag;

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__uint32_t ipoff;

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__uint32_t cssel;

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__uint32_t dataoff;

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__uint32_t datasel;

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struct _fpreg _st[8];

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unsigned short status;

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unsigned short magic;

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/* FXSR FPU environment. */

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__uint32_t _fxsr_env[6];

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__uint32_t mxcsr;

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__uint32_t __glibc_reserved1;

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struct _fpxreg _fxsr_st[8];

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struct _xmmreg _xmm[8];

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__uint32_t __glibc_reserved2[56];

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};

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#ifndef sigcontext_struct

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/* Kernel headers before 2.1.1 define a struct sigcontext_struct, but

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we need sigcontext. Some packages have come to rely on

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sigcontext_struct being defined on 32-bit x86, so define this for

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their benefit. */

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# define sigcontext_struct sigcontext

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#endif

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#define X86_FXSR_MAGIC 0x0000

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struct sigcontext

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{

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unsigned short gs, __gsh;

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unsigned short fs, __fsh;

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unsigned short es, __esh;

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unsigned short ds, __dsh;

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unsigned long edi;

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unsigned long esi;

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unsigned long ebp;

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unsigned long esp;

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unsigned long ebx;

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unsigned long edx;

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unsigned long ecx;

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unsigned long eax;

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unsigned long trapno;

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unsigned long err;

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unsigned long eip;

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unsigned short cs, __csh;

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unsigned long eflags;

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unsigned long esp_at_signal;

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unsigned short ss, __ssh;

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struct _fpstate * fpstate;

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unsigned long oldmask;

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unsigned long cr2;

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};

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#else /* __x86_64__ */

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struct _fpstate

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{

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/* FPU environment matching the 64-bit FXSAVE layout. */

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__uint16_t cwd;

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__uint16_t swd;

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__uint16_t ftw;

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__uint16_t fop;

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__uint64_t rip;

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__uint64_t rdp;

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__uint32_t mxcsr;

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__uint32_t mxcr_mask;

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struct _fpxreg _st[8];

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struct _xmmreg _xmm[16];

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__uint32_t __glibc_reserved1[24];

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};

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struct sigcontext

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{

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__uint64_t r8;

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__uint64_t r9;

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__uint64_t r10;

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__uint64_t r11;

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__uint64_t r12;

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__uint64_t r13;

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__uint64_t r14;

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__uint64_t r15;

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__uint64_t rdi;

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__uint64_t rsi;

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__uint64_t rbp;

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__uint64_t rbx;

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__uint64_t rdx;

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__uint64_t rax;

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__uint64_t rcx;

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__uint64_t rsp;

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__uint64_t rip;

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__uint64_t eflags;

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unsigned short cs;

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unsigned short gs;

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unsigned short fs;

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unsigned short __pad0;

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__uint64_t err;

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__uint64_t trapno;

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__uint64_t oldmask;

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__uint64_t cr2;

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__extension__ union

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{

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struct _fpstate * fpstate;

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__uint64_t __fpstate_word;

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};

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__uint64_t __reserved1 [8];

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};

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#endif /* __x86_64__ */

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struct _xsave_hdr

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{

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__uint64_t xstate_bv;

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__uint64_t __glibc_reserved1[2];

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__uint64_t __glibc_reserved2[5];

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};

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struct _ymmh_state

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{

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__uint32_t ymmh_space[64];

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};

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struct _xstate

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{

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struct _fpstate fpstate;

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struct _xsave_hdr xstate_hdr;

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struct _ymmh_state ymmh;

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};

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#endif /* _BITS_SIGCONTEXT_H */

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