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Greg Ungerer230d1862009-03-16 22:07:39 +10001#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#ifdef CONFIG_COLDFIRE
42 unsigned format : 4; /* frame format specifier */
43 unsigned vector : 12; /* vector offset */
44 unsigned short sr;
45 unsigned long pc;
Sam Ravnborg49148022009-01-16 21:58:10 +100046#else
Greg Ungerer230d1862009-03-16 22:07:39 +100047 unsigned short sr;
48 unsigned long pc;
49 unsigned format : 4; /* frame format specifier */
50 unsigned vector : 12; /* vector offset */
Sam Ravnborg49148022009-01-16 21:58:10 +100051#endif
Greg Ungerer230d1862009-03-16 22:07:39 +100052};
53
54/*
55 * This is the extended stack used by signal handlers and the context
56 * switcher: it's pushed after the normal "struct pt_regs".
57 */
58struct switch_stack {
59 unsigned long d6;
60 unsigned long d7;
61 unsigned long a3;
62 unsigned long a4;
63 unsigned long a5;
64 unsigned long a6;
65 unsigned long retpc;
66};
67
68/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
69#define PTRACE_GETREGS 12
70#define PTRACE_SETREGS 13
71#define PTRACE_GETFPREGS 14
72#define PTRACE_SETFPREGS 15
73
74#ifdef __KERNEL__
75
76#ifndef PS_S
77#define PS_S (0x2000)
78#define PS_M (0x1000)
79#endif
80
81#define user_mode(regs) (!((regs)->sr & PS_S))
82#define instruction_pointer(regs) ((regs)->pc)
83#define profile_pc(regs) instruction_pointer(regs)
84extern void show_regs(struct pt_regs *);
85#endif /* __KERNEL__ */
86#endif /* __ASSEMBLY__ */
87#endif /* _M68K_PTRACE_H */