blob: a3d91004787924876ea3dd0a137c5c710b7f0051 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef USER32_H
2#define USER32_H 1
3
Joe Perchesa3121612008-03-23 01:03:54 -07004/* IA32 compatible user structures for ptrace.
5 * These should be used for 32bit coredumps too. */
Linus Torvalds1da177e2005-04-16 15:20:36 -07006
7struct user_i387_ia32_struct {
8 u32 cwd;
9 u32 swd;
10 u32 twd;
11 u32 fip;
12 u32 fcs;
13 u32 foo;
14 u32 fos;
15 u32 st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */
16};
17
18/* FSAVE frame with extensions */
19struct user32_fxsr_struct {
20 unsigned short cwd;
21 unsigned short swd;
22 unsigned short twd; /* not compatible to 64bit twd */
23 unsigned short fop;
24 int fip;
25 int fcs;
26 int foo;
27 int fos;
28 int mxcsr;
29 int reserved;
30 int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
31 int xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
32 int padding[56];
33};
34
35struct user_regs_struct32 {
36 __u32 ebx, ecx, edx, esi, edi, ebp, eax;
37 unsigned short ds, __ds, es, __es;
38 unsigned short fs, __fs, gs, __gs;
39 __u32 orig_eax, eip;
40 unsigned short cs, __cs;
41 __u32 eflags, esp;
42 unsigned short ss, __ss;
43};
44
45struct user32 {
Joe Perchesa3121612008-03-23 01:03:54 -070046 struct user_regs_struct32 regs; /* Where the registers are actually stored */
Linus Torvalds1da177e2005-04-16 15:20:36 -070047 int u_fpvalid; /* True if math co-processor being used. */
Joe Perchesa3121612008-03-23 01:03:54 -070048 /* for this mess. Not yet used. */
Linus Torvalds1da177e2005-04-16 15:20:36 -070049 struct user_i387_ia32_struct i387; /* Math Co-processor registers. */
50/* The rest of this junk is to help gdb figure out what goes where */
51 __u32 u_tsize; /* Text segment size (pages). */
52 __u32 u_dsize; /* Data segment size (pages). */
53 __u32 u_ssize; /* Stack segment size (pages). */
54 __u32 start_code; /* Starting virtual address of text. */
55 __u32 start_stack; /* Starting virtual address of stack area.
56 This is actually the bottom of the stack,
57 the top of the stack is always found in the
58 esp register. */
59 __u32 signal; /* Signal that caused the core dump. */
60 int reserved; /* No __u32er used */
61 __u32 u_ar0; /* Used by gdb to help find the values for */
62 /* the registers. */
63 __u32 u_fpstate; /* Math Co-processor pointer. */
64 __u32 magic; /* To uniquely identify a core file */
65 char u_comm[32]; /* User command that was responsible */
66 int u_debugreg[8];
67};
68
69
70#endif