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
29 struct 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 */
51 struct 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 extern void show_regs(struct pt_regs *);
77 #endif /* __KERNEL__ */
78 #endif /* __ASSEMBLY__ */
79 #endif /* _M68K_PTRACE_H */
80
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