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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _I386_PTRACE_H
2#define _I386_PTRACE_H
3
4#define EBX 0
5#define ECX 1
6#define EDX 2
7#define ESI 3
8#define EDI 4
9#define EBP 5
10#define EAX 6
11#define DS 7
12#define ES 8
13#define FS 9
14#define GS 10
15#define ORIG_EAX 11
16#define EIP 12
17#define CS 13
18#define EFL 14
19#define UESP 15
20#define SS 16
21#define FRAME_SIZE 17
22
23/* this struct defines the way the registers are stored on the
24 stack during a system call. */
25
26struct pt_regs {
27 long ebx;
28 long ecx;
29 long edx;
30 long esi;
31 long edi;
32 long ebp;
33 long eax;
34 int xds;
35 int xes;
36 long orig_eax;
37 long eip;
38 int xcs;
39 long eflags;
40 long esp;
41 int xss;
42};
43
44/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
45#define PTRACE_GETREGS 12
46#define PTRACE_SETREGS 13
47#define PTRACE_GETFPREGS 14
48#define PTRACE_SETFPREGS 15
49#define PTRACE_GETFPXREGS 18
50#define PTRACE_SETFPXREGS 19
51
52#define PTRACE_OLDSETOPTIONS 21
53
54#define PTRACE_GET_THREAD_AREA 25
55#define PTRACE_SET_THREAD_AREA 26
56
57#ifdef __KERNEL__
58struct task_struct;
59extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code);
Chuck Ebbertae6578f2005-07-26 21:57:24 -040060
61static inline int user_mode(struct pt_regs *regs)
62{
63 return (regs->xcs & 3) != 0;
64}
65static inline int user_mode_vm(struct pt_regs *regs)
66{
67 return ((regs->xcs & 3) | (regs->eflags & VM_MASK)) != 0;
68}
Linus Torvalds1da177e2005-04-16 15:20:36 -070069#define instruction_pointer(regs) ((regs)->eip)
70#if defined(CONFIG_SMP) && defined(CONFIG_FRAME_POINTER)
71extern unsigned long profile_pc(struct pt_regs *regs);
72#else
73#define profile_pc(regs) instruction_pointer(regs)
74#endif
Chuck Ebbertae6578f2005-07-26 21:57:24 -040075#endif /* __KERNEL__ */
Linus Torvalds1da177e2005-04-16 15:20:36 -070076
77#endif