| /* 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 */ |
