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160 lines
3.6 KiB
C
160 lines
3.6 KiB
C
/* Copyright (C) 2002 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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#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/wordsize.h>
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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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#if __WORDSIZE == 32
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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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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 /* __WORDSIZE == 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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unsigned long r8;
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unsigned long r9;
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unsigned long r10;
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unsigned long r11;
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unsigned long r12;
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unsigned long r13;
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unsigned long r14;
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unsigned long r15;
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unsigned long rdi;
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unsigned long rsi;
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unsigned long rbp;
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unsigned long rbx;
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unsigned long rdx;
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unsigned long rax;
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unsigned long rcx;
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unsigned long rsp;
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unsigned long rip;
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unsigned long 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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unsigned long err;
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unsigned long trapno;
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unsigned long oldmask;
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unsigned long cr2;
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struct _fpstate * fpstate;
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unsigned long __reserved1 [8];
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};
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#endif /* __WORDSIZE == 64 */
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#endif /* _BITS_SIGCONTEXT_H */
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