1#ifndef _ASM_X86_SIGCONTEXT32_H
2#define _ASM_X86_SIGCONTEXT32_H
3
4#include <linux/types.h>
5
6
7
8#define X86_FXSR_MAGIC 0x0000
9
10struct _fpreg {
11 unsigned short significand[4];
12 unsigned short exponent;
13};
14
15struct _fpxreg {
16 unsigned short significand[4];
17 unsigned short exponent;
18 unsigned short padding[3];
19};
20
21struct _xmmreg {
22 __u32 element[4];
23};
24
25
26struct _fpstate_ia32 {
27
28 __u32 cw;
29 __u32 sw;
30 __u32 tag;
31 __u32 ipoff;
32 __u32 cssel;
33 __u32 dataoff;
34 __u32 datasel;
35 struct _fpreg _st[8];
36 unsigned short status;
37 unsigned short magic;
38
39
40 __u32 _fxsr_env[6];
41 __u32 mxcsr;
42 __u32 reserved;
43 struct _fpxreg _fxsr_st[8];
44 struct _xmmreg _xmm[8];
45 __u32 padding[44];
46 union {
47 __u32 padding2[12];
48 struct _fpx_sw_bytes sw_reserved;
49 };
50};
51
52struct sigcontext_ia32 {
53 unsigned short gs, __gsh;
54 unsigned short fs, __fsh;
55 unsigned short es, __esh;
56 unsigned short ds, __dsh;
57 unsigned int di;
58 unsigned int si;
59 unsigned int bp;
60 unsigned int sp;
61 unsigned int bx;
62 unsigned int dx;
63 unsigned int cx;
64 unsigned int ax;
65 unsigned int trapno;
66 unsigned int err;
67 unsigned int ip;
68 unsigned short cs, __csh;
69 unsigned int flags;
70 unsigned int sp_at_signal;
71 unsigned short ss, __ssh;
72 unsigned int fpstate;
73 unsigned int oldmask;
74 unsigned int cr2;
75};
76
77#endif
78