File: /usr/include/asm/ptrace.h

1     #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     
22     
23     /* this struct defines the way the registers are stored on the 
24        stack during a system call. */
25     
26     struct 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_SETOPTIONS         21
53     
54     /* options set using PTRACE_SETOPTIONS */
55     #define PTRACE_O_TRACESYSGOOD     0x00000001
56     
57     #ifdef __KERNEL__
58     #define user_mode(regs) ((VM_MASK & (regs)->eflags) || (3 & (regs)->xcs))
59     #define instruction_pointer(regs) ((regs)->eip)
60     extern void show_regs(struct pt_regs *);
61     extern void show_registers(struct pt_regs *regs);
62     #endif
63     
64     #endif
65