197 lines
4.2 KiB
C
197 lines
4.2 KiB
C
/* Copyright (C) 2002-2021 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
|
|
<https://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
|
|
|
|
#include <bits/types.h>
|
|
|
|
#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 __glibc_reserved1[7];
|
|
};
|
|
|
|
struct _fpreg
|
|
{
|
|
unsigned short significand[4];
|
|
unsigned short exponent;
|
|
};
|
|
|
|
struct _fpxreg
|
|
{
|
|
unsigned short significand[4];
|
|
unsigned short exponent;
|
|
unsigned short __glibc_reserved1[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 __glibc_reserved1;
|
|
struct _fpxreg _fxsr_st[8];
|
|
struct _xmmreg _xmm[8];
|
|
__uint32_t __glibc_reserved2[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 __glibc_reserved1[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 __glibc_reserved1[2];
|
|
__uint64_t __glibc_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 */
|