diff options
Diffstat (limited to 'include/asm-x86/sigcontext32.h')
| -rw-r--r-- | include/asm-x86/sigcontext32.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/include/asm-x86/sigcontext32.h b/include/asm-x86/sigcontext32.h new file mode 100644 index 00000000000..3d657038ab7 --- /dev/null +++ b/include/asm-x86/sigcontext32.h @@ -0,0 +1,71 @@ +#ifndef _SIGCONTEXT32_H +#define _SIGCONTEXT32_H 1 + +/* signal context for 32bit programs. */ + +#define X86_FXSR_MAGIC 0x0000 + +struct _fpreg { + unsigned short significand[4]; + unsigned short exponent; +}; + +struct _fpxreg { + unsigned short significand[4]; + unsigned short exponent; + unsigned short padding[3]; +}; + +struct _xmmreg { + __u32 element[4]; +}; + +/* FSAVE frame with extensions */ +struct _fpstate_ia32 { + /* Regular FPU environment */ + __u32 cw; + __u32 sw; + __u32 tag; /* not compatible to 64bit twd */ + __u32 ipoff; + __u32 cssel; + __u32 dataoff; + __u32 datasel; + struct _fpreg _st[8]; + unsigned short status; + unsigned short magic; /* 0xffff = regular FPU data only */ + + /* FXSR FPU environment */ + __u32 _fxsr_env[6]; + __u32 mxcsr; + __u32 reserved; + struct _fpxreg _fxsr_st[8]; + struct _xmmreg _xmm[8]; /* It's actually 16 */ + __u32 padding[56]; +}; + +struct sigcontext_ia32 { + unsigned short gs, __gsh; + unsigned short fs, __fsh; + unsigned short es, __esh; + unsigned short ds, __dsh; + unsigned int edi; + unsigned int esi; + unsigned int ebp; + unsigned int esp; + unsigned int ebx; + unsigned int edx; + unsigned int ecx; + unsigned int eax; + unsigned int trapno; + unsigned int err; + unsigned int eip; + unsigned short cs, __csh; + unsigned int eflags; + unsigned int esp_at_signal; + unsigned short ss, __ssh; + unsigned int fpstate; /* really (struct _fpstate_ia32 *) */ + unsigned int oldmask; + unsigned int cr2; +}; + +#endif |