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- /* Copyright (C) 2002-2016 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #ifndef _BITS_SIGCONTEXT_H
- #define _BITS_SIGCONTEXT_H 1
- #if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
- # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
- #endif
- #define FP_XSTATE_MAGIC1 0x46505853U
- #define FP_XSTATE_MAGIC2 0x46505845U
- #define FP_XSTATE_MAGIC2_SIZE sizeof(FP_XSTATE_MAGIC2)
- struct _fpx_sw_bytes
- {
- __uint32_t magic1;
- __uint32_t extended_size;
- __uint64_t xstate_bv;
- __uint32_t xstate_size;
- __uint32_t padding[7];
- };
- struct _fpreg
- {
- unsigned short significand[4];
- unsigned short exponent;
- };
- struct _fpxreg
- {
- unsigned short significand[4];
- unsigned short exponent;
- unsigned short padding[3];
- };
- struct _xmmreg
- {
- __uint32_t element[4];
- };
- #ifndef __x86_64__
- struct _fpstate
- {
- /* Regular FPU environment. */
- __uint32_t cw;
- __uint32_t sw;
- __uint32_t tag;
- __uint32_t ipoff;
- __uint32_t cssel;
- __uint32_t dataoff;
- __uint32_t datasel;
- struct _fpreg _st[8];
- unsigned short status;
- unsigned short magic;
- /* FXSR FPU environment. */
- __uint32_t _fxsr_env[6];
- __uint32_t mxcsr;
- __uint32_t reserved;
- struct _fpxreg _fxsr_st[8];
- struct _xmmreg _xmm[8];
- __uint32_t padding[56];
- };
- #ifndef sigcontext_struct
- /* Kernel headers before 2.1.1 define a struct sigcontext_struct, but
- we need sigcontext. Some packages have come to rely on
- sigcontext_struct being defined on 32-bit x86, so define this for
- their benefit. */
- # define sigcontext_struct sigcontext
- #endif
- #define X86_FXSR_MAGIC 0x0000
- struct sigcontext
- {
- unsigned short gs, __gsh;
- unsigned short fs, __fsh;
- unsigned short es, __esh;
- unsigned short ds, __dsh;
- unsigned long edi;
- unsigned long esi;
- unsigned long ebp;
- unsigned long esp;
- unsigned long ebx;
- unsigned long edx;
- unsigned long ecx;
- unsigned long eax;
- unsigned long trapno;
- unsigned long err;
- unsigned long eip;
- unsigned short cs, __csh;
- unsigned long eflags;
- unsigned long esp_at_signal;
- unsigned short ss, __ssh;
- struct _fpstate * fpstate;
- unsigned long oldmask;
- unsigned long cr2;
- };
- #else /* __x86_64__ */
- struct _fpstate
- {
- /* FPU environment matching the 64-bit FXSAVE layout. */
- __uint16_t cwd;
- __uint16_t swd;
- __uint16_t ftw;
- __uint16_t fop;
- __uint64_t rip;
- __uint64_t rdp;
- __uint32_t mxcsr;
- __uint32_t mxcr_mask;
- struct _fpxreg _st[8];
- struct _xmmreg _xmm[16];
- __uint32_t padding[24];
- };
- struct sigcontext
- {
- __uint64_t r8;
- __uint64_t r9;
- __uint64_t r10;
- __uint64_t r11;
- __uint64_t r12;
- __uint64_t r13;
- __uint64_t r14;
- __uint64_t r15;
- __uint64_t rdi;
- __uint64_t rsi;
- __uint64_t rbp;
- __uint64_t rbx;
- __uint64_t rdx;
- __uint64_t rax;
- __uint64_t rcx;
- __uint64_t rsp;
- __uint64_t rip;
- __uint64_t eflags;
- unsigned short cs;
- unsigned short gs;
- unsigned short fs;
- unsigned short __pad0;
- __uint64_t err;
- __uint64_t trapno;
- __uint64_t oldmask;
- __uint64_t cr2;
- __extension__ union
- {
- struct _fpstate * fpstate;
- __uint64_t __fpstate_word;
- };
- __uint64_t __reserved1 [8];
- };
- #endif /* __x86_64__ */
- struct _xsave_hdr
- {
- __uint64_t xstate_bv;
- __uint64_t reserved1[2];
- __uint64_t reserved2[5];
- };
- struct _ymmh_state
- {
- __uint32_t ymmh_space[64];
- };
- struct _xstate
- {
- struct _fpstate fpstate;
- struct _xsave_hdr xstate_hdr;
- struct _ymmh_state ymmh;
- };
- #endif /* _BITS_SIGCONTEXT_H */
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