mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 17:11:06 +00:00
160 lines
3.6 KiB
C
160 lines
3.6 KiB
C
/* Copyright (C) 2002 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#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
|
|
|
|
#include <bits/wordsize.h>
|
|
|
|
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];
|
|
};
|
|
|
|
|
|
|
|
#if __WORDSIZE == 32
|
|
|
|
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
|
|
|
|
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 /* __WORDSIZE == 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
|
|
{
|
|
unsigned long r8;
|
|
unsigned long r9;
|
|
unsigned long r10;
|
|
unsigned long r11;
|
|
unsigned long r12;
|
|
unsigned long r13;
|
|
unsigned long r14;
|
|
unsigned long r15;
|
|
unsigned long rdi;
|
|
unsigned long rsi;
|
|
unsigned long rbp;
|
|
unsigned long rbx;
|
|
unsigned long rdx;
|
|
unsigned long rax;
|
|
unsigned long rcx;
|
|
unsigned long rsp;
|
|
unsigned long rip;
|
|
unsigned long eflags;
|
|
unsigned short cs;
|
|
unsigned short gs;
|
|
unsigned short fs;
|
|
unsigned short __pad0;
|
|
unsigned long err;
|
|
unsigned long trapno;
|
|
unsigned long oldmask;
|
|
unsigned long cr2;
|
|
struct _fpstate * fpstate;
|
|
unsigned long __reserved1 [8];
|
|
};
|
|
|
|
#endif /* __WORDSIZE == 64 */
|
|
|
|
#endif /* _BITS_SIGCONTEXT_H */
|