1#ifndef _M68K_PTRACE_H
2#define _M68K_PTRACE_H
3
4#define PT_D1	   0
5#define PT_D2	   1
6#define PT_D3	   2
7#define PT_D4	   3
8#define PT_D5	   4
9#define PT_D6	   5
10#define PT_D7	   6
11#define PT_A0	   7
12#define PT_A1	   8
13#define PT_A2	   9
14#define PT_A3	   10
15#define PT_A4	   11
16#define PT_A5	   12
17#define PT_A6	   13
18#define PT_D0	   14
19#define PT_USP	   15
20#define PT_ORIG_D0 16
21#define PT_SR	   17
22#define PT_PC	   18
23
24#ifndef __ASSEMBLY__
25
26/* this struct defines the way the registers are stored on the
27   stack during a system call. */
28
29struct pt_regs {
30  long     d1;
31  long     d2;
32  long     d3;
33  long     d4;
34  long     d5;
35  long     a0;
36  long     a1;
37  long     a2;
38  long     d0;
39  long     orig_d0;
40  long     stkadj;
41  unsigned short sr;
42  unsigned long  pc;
43  unsigned format :  4; /* frame format specifier */
44  unsigned vector : 12; /* vector offset */
45};
46
47/*
48 * This is the extended stack used by signal handlers and the context
49 * switcher: it's pushed after the normal "struct pt_regs".
50 */
51struct switch_stack {
52	unsigned long  d6;
53	unsigned long  d7;
54	unsigned long  a3;
55	unsigned long  a4;
56	unsigned long  a5;
57	unsigned long  a6;
58	unsigned long  retpc;
59};
60
61/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
62#define PTRACE_GETREGS            12
63#define PTRACE_SETREGS            13
64#define PTRACE_GETFPREGS          14
65#define PTRACE_SETFPREGS          15
66
67#ifdef __KERNEL__
68
69#ifndef PS_S
70#define PS_S  (0x2000)
71#define PS_M  (0x1000)
72#endif
73
74#define user_mode(regs) (!((regs)->sr & PS_S))
75#define instruction_pointer(regs) ((regs)->pc)
76#define profile_pc(regs) instruction_pointer(regs)
77extern void show_regs(struct pt_regs *);
78#endif /* __KERNEL__ */
79#endif /* __ASSEMBLY__ */
80#endif /* _M68K_PTRACE_H */
81