1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _M68K_PTRACE_H
 3#define _M68K_PTRACE_H
 4
 5#include <uapi/asm/ptrace.h>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 6
 7#ifndef __ASSEMBLY__
 8
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 9#ifndef PS_S
10#define PS_S  (0x2000)
11#define PS_M  (0x1000)
12#endif
13
14#define user_mode(regs) (!((regs)->sr & PS_S))
15#define instruction_pointer(regs) ((regs)->pc)
16#define profile_pc(regs) instruction_pointer(regs)
17#define current_pt_regs() \
18	(struct pt_regs *)((char *)current_thread_info() + THREAD_SIZE) - 1
19#define current_user_stack_pointer() rdusp()
20
21#define arch_has_single_step()	(1)
22
23#ifdef CONFIG_MMU
24#define arch_has_block_step()	(1)
25#endif
26
 
27#endif /* __ASSEMBLY__ */
28#endif /* _M68K_PTRACE_H */

 
 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
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;
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 */
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#define PTRACE_GET_THREAD_AREA    25
75
76#define PTRACE_SINGLEBLOCK	33	/* resume execution until next branch */
77
78#ifdef __KERNEL__
79
80#ifndef PS_S
81#define PS_S  (0x2000)
82#define PS_M  (0x1000)
83#endif
84
85#define user_mode(regs) (!((regs)->sr & PS_S))
86#define instruction_pointer(regs) ((regs)->pc)
87#define profile_pc(regs) instruction_pointer(regs)
 
 
 
88
89#define arch_has_single_step()	(1)
90
91#ifdef CONFIG_MMU
92#define arch_has_block_step()	(1)
93#endif
94
95#endif /* __KERNEL__ */
96#endif /* __ASSEMBLY__ */
97#endif /* _M68K_PTRACE_H */