diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h b/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h new file mode 100644 index 0000000000..3426d8c47e --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h @@ -0,0 +1,139 @@ +/* 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]; +}; + +/* This is FXSAVE layout without 64bit prefix thus 32bit + compatible. This means that the IP and DPs are only 32bit and are + not useful in 64bit space. */ +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]; /* It's actually 16 for x86-64. */ + __uint32_t padding[56]; +}; + + +#if __WORDSIZE == 32 + +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 + +struct sigcontext +{ + unsigned short gs, __gsh; + unsigned short fs, __fsh; + unsigned short es, __esh; + unsigned short ds, __dsh; + unsigned long r8; + unsigned long r9; + unsigned long r10; + 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 trapno; + unsigned long err; + unsigned long rip; + unsigned short cs, __csh; + unsigned int __pad0; + unsigned long eflags; + unsigned long rsp_at_signal; + struct _fpstate * fpstate; + unsigned long oldmask; + unsigned long cr2; + unsigned long r11; + unsigned long rcx; + unsigned long rsp; +}; + +#endif + +#endif /* _BITS_SIGCONTEXT_H */ |