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195 lines
4.1 KiB
C
195 lines
4.1 KiB
C
/* Copyright (C) 2002-2013 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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#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 padding[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 padding[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 reserved;
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struct _fpxreg _fxsr_st[8];
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struct _xmmreg _xmm[8];
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__uint32_t padding[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 padding[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 reserved1[2];
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__uint64_t 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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