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- /* 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
- #include <bits/wordsize.h>
- #include <stdint.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 */
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