diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86/bits/sigcontext.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86/bits/sigcontext.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86/bits/sigcontext.h b/sysdeps/unix/sysv/linux/x86/bits/sigcontext.h new file mode 100644 index 0000000000..06f36cba4a --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86/bits/sigcontext.h @@ -0,0 +1,194 @@ +/* Copyright (C) 2002-2012 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 + <http://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 + +#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 padding[7]; +}; + +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]; +}; + + + +#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 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 + +#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 padding[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 reserved1[2]; + __uint64_t 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 */ |