mirror of https://gitee.com/openkylin/linux.git
72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
|
#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
|