1#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
70