• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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;
46 #else
47   unsigned short sr;
48   unsigned long  pc;
49   unsigned format :  4; /* frame format specifier */
50   unsigned vector : 12; /* vector offset */
51 #endif
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 
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)
84 extern void show_regs(struct pt_regs *);
85 #endif /* __KERNEL__ */
86 #endif /* __ASSEMBLY__ */
87 #endif /* _M68K_PTRACE_H */
88