source: GPL/include/asm/sigcontext.h@ 1

Last change on this file since 1 was 1, checked in by vladest, 20 years ago

initial import

File size: 1.1 KB
Line 
1#ifndef _ASMi386_SIGCONTEXT_H
2#define _ASMi386_SIGCONTEXT_H
3
4/*
5 * As documented in the iBCS2 standard..
6 *
7 * The first part of "struct _fpstate" is just the
8 * normal i387 hardware setup, the extra "status"
9 * word is used to save the coprocessor status word
10 * before entering the handler.
11 */
12struct _fpreg {
13 unsigned short significand[4];
14 unsigned short exponent;
15};
16
17struct _fpstate {
18 unsigned long cw,
19 sw,
20 tag,
21 ipoff,
22 cssel,
23 dataoff,
24 datasel;
25 struct _fpreg _st[8];
26 unsigned long status;
27};
28
29struct sigcontext {
30 unsigned short gs, __gsh;
31 unsigned short fs, __fsh;
32 unsigned short es, __esh;
33 unsigned short ds, __dsh;
34 unsigned long edi;
35 unsigned long esi;
36 unsigned long ebp;
37 unsigned long esp;
38 unsigned long ebx;
39 unsigned long edx;
40 unsigned long ecx;
41 unsigned long eax;
42 unsigned long trapno;
43 unsigned long err;
44 unsigned long eip;
45 unsigned short cs, __csh;
46 unsigned long eflags;
47 unsigned long esp_at_signal;
48 unsigned short ss, __ssh;
49 struct _fpstate * fpstate;
50 unsigned long oldmask;
51 unsigned long cr2;
52};
53
54
55#endif
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