1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_M68K_PTRACE_H
3 #define _UAPI_M68K_PTRACE_H
4 
5 #define PT_D1	   0
6 #define PT_D2	   1
7 #define PT_D3	   2
8 #define PT_D4	   3
9 #define PT_D5	   4
10 #define PT_D6	   5
11 #define PT_D7	   6
12 #define PT_A0	   7
13 #define PT_A1	   8
14 #define PT_A2	   9
15 #define PT_A3	   10
16 #define PT_A4	   11
17 #define PT_A5	   12
18 #define PT_A6	   13
19 #define PT_D0	   14
20 #define PT_USP	   15
21 #define PT_ORIG_D0 16
22 #define PT_SR	   17
23 #define PT_PC	   18
24 
25 #ifndef __ASSEMBLY__
26 
27 /* this struct defines the way the registers are stored on the
28    stack during a system call. */
29 
30 struct pt_regs {
31   long     d1;
32   long     d2;
33   long     d3;
34   long     d4;
35   long     d5;
36   long     a0;
37   long     a1;
38   long     a2;
39   long     d0;
40   long     orig_d0;
41   long     stkadj;
42 #ifdef CONFIG_COLDFIRE
43   unsigned format :  4; /* frame format specifier */
44   unsigned vector : 12; /* vector offset */
45   unsigned short sr;
46   unsigned long  pc;
47 #else
48   unsigned short sr;
49   unsigned long  pc;
50   unsigned format :  4; /* frame format specifier */
51   unsigned vector : 12; /* vector offset */
52 #endif
53 };
54 
55 /*
56  * This is the extended stack used by signal handlers and the context
57  * switcher: it's pushed after the normal "struct pt_regs".
58  */
59 struct switch_stack {
60 	unsigned long  d6;
61 	unsigned long  d7;
62 	unsigned long  a3;
63 	unsigned long  a4;
64 	unsigned long  a5;
65 	unsigned long  a6;
66 	unsigned long  retpc;
67 };
68 
69 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
70 #define PTRACE_GETREGS            12
71 #define PTRACE_SETREGS            13
72 #define PTRACE_GETFPREGS          14
73 #define PTRACE_SETFPREGS          15
74 
75 #define PTRACE_GET_THREAD_AREA    25
76 
77 #define PTRACE_SINGLEBLOCK	33	/* resume execution until next branch */
78 
79 #endif /* __ASSEMBLY__ */
80 #endif /* _UAPI_M68K_PTRACE_H */
81