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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef USER32_H
2#define USER32_H 1
3
4/* IA32 compatible user structures for ptrace. These should be used for 32bit coredumps too. */
5
6struct user_i387_ia32_struct {
7 u32 cwd;
8 u32 swd;
9 u32 twd;
10 u32 fip;
11 u32 fcs;
12 u32 foo;
13 u32 fos;
14 u32 st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */
15};
16
17/* FSAVE frame with extensions */
18struct user32_fxsr_struct {
19 unsigned short cwd;
20 unsigned short swd;
21 unsigned short twd; /* not compatible to 64bit twd */
22 unsigned short fop;
23 int fip;
24 int fcs;
25 int foo;
26 int fos;
27 int mxcsr;
28 int reserved;
29 int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
30 int xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
31 int padding[56];
32};
33
34struct user_regs_struct32 {
35 __u32 ebx, ecx, edx, esi, edi, ebp, eax;
36 unsigned short ds, __ds, es, __es;
37 unsigned short fs, __fs, gs, __gs;
38 __u32 orig_eax, eip;
39 unsigned short cs, __cs;
40 __u32 eflags, esp;
41 unsigned short ss, __ss;
42};
43
44struct user32 {
45 struct user_regs_struct32 regs; /* Where the registers are actually stored */
46 int u_fpvalid; /* True if math co-processor being used. */
47 /* for this mess. Not yet used. */
48 struct user_i387_ia32_struct i387; /* Math Co-processor registers. */
49/* The rest of this junk is to help gdb figure out what goes where */
50 __u32 u_tsize; /* Text segment size (pages). */
51 __u32 u_dsize; /* Data segment size (pages). */
52 __u32 u_ssize; /* Stack segment size (pages). */
53 __u32 start_code; /* Starting virtual address of text. */
54 __u32 start_stack; /* Starting virtual address of stack area.
55 This is actually the bottom of the stack,
56 the top of the stack is always found in the
57 esp register. */
58 __u32 signal; /* Signal that caused the core dump. */
59 int reserved; /* No __u32er used */
60 __u32 u_ar0; /* Used by gdb to help find the values for */
61 /* the registers. */
62 __u32 u_fpstate; /* Math Co-processor pointer. */
63 __u32 magic; /* To uniquely identify a core file */
64 char u_comm[32]; /* User command that was responsible */
65 int u_debugreg[8];
66};
67
68
69#endif