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230d1866 GU |
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 | #ifdef CONFIG_COLDFIRE | |
42 | unsigned format : 4; /* frame format specifier */ | |
43 | unsigned vector : 12; /* vector offset */ | |
44 | unsigned short sr; | |
45 | unsigned long pc; | |
49148020 | 46 | #else |
230d1866 GU |
47 | unsigned short sr; |
48 | unsigned long pc; | |
49 | unsigned format : 4; /* frame format specifier */ | |
50 | unsigned vector : 12; /* vector offset */ | |
49148020 | 51 | #endif |
230d1866 GU |
52 | }; |
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 | */ | |
58 | struct 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 | ||
faa47b46 AS |
74 | #define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */ |
75 | ||
230d1866 GU |
76 | #ifdef __KERNEL__ |
77 | ||
78 | #ifndef PS_S | |
79 | #define PS_S (0x2000) | |
80 | #define PS_M (0x1000) | |
81 | #endif | |
82 | ||
83 | #define user_mode(regs) (!((regs)->sr & PS_S)) | |
84 | #define instruction_pointer(regs) ((regs)->pc) | |
85 | #define profile_pc(regs) instruction_pointer(regs) | |
86 | extern void show_regs(struct pt_regs *); | |
faa47b46 AS |
87 | |
88 | /* | |
89 | * These are defined as per linux/ptrace.h, which see. | |
90 | */ | |
91 | struct task_struct; | |
92 | ||
faa47b46 AS |
93 | #define arch_has_single_step() (1) |
94 | extern void user_enable_single_step(struct task_struct *); | |
95 | extern void user_disable_single_step(struct task_struct *); | |
96 | ||
f60a5572 | 97 | #ifdef CONFIG_MMU |
faa47b46 AS |
98 | #define arch_has_block_step() (1) |
99 | extern void user_enable_block_step(struct task_struct *); | |
100 | #endif | |
101 | ||
230d1866 GU |
102 | #endif /* __KERNEL__ */ |
103 | #endif /* __ASSEMBLY__ */ | |
104 | #endif /* _M68K_PTRACE_H */ |