blob: 82e674f6b337c11927041609fce05eaedac0581e [file] [log] [blame]
Mike Frysingeredeafa72011-05-26 16:25:39 -07001/*
2 * Common low level (register) ptrace helpers
3 *
4 * Copyright 2004-2011 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#ifndef __ASM_GENERIC_PTRACE_H__
10#define __ASM_GENERIC_PTRACE_H__
11
12#ifndef __ASSEMBLY__
13
14/* Helpers for working with the instruction pointer */
15#ifndef GET_IP
16#define GET_IP(regs) ((regs)->pc)
17#endif
18#ifndef SET_IP
19#define SET_IP(regs, val) (GET_IP(regs) = (val))
20#endif
21
22static inline unsigned long instruction_pointer(struct pt_regs *regs)
23{
24 return GET_IP(regs);
25}
26static inline void instruction_pointer_set(struct pt_regs *regs,
27 unsigned long val)
28{
29 SET_IP(regs, val);
30}
31
32#ifndef profile_pc
33#define profile_pc(regs) instruction_pointer(regs)
34#endif
35
36/* Helpers for working with the user stack pointer */
37#ifndef GET_USP
38#define GET_USP(regs) ((regs)->usp)
39#endif
40#ifndef SET_USP
41#define SET_USP(regs, val) (GET_USP(regs) = (val))
42#endif
43
44static inline unsigned long user_stack_pointer(struct pt_regs *regs)
45{
46 return GET_USP(regs);
47}
48static inline void user_stack_pointer_set(struct pt_regs *regs,
49 unsigned long val)
50{
51 SET_USP(regs, val);
52}
53
54/* Helpers for working with the frame pointer */
55#ifndef GET_FP
56#define GET_FP(regs) ((regs)->fp)
57#endif
58#ifndef SET_FP
59#define SET_FP(regs, val) (GET_FP(regs) = (val))
60#endif
61
62static inline unsigned long frame_pointer(struct pt_regs *regs)
63{
64 return GET_FP(regs);
65}
66static inline void frame_pointer_set(struct pt_regs *regs,
67 unsigned long val)
68{
69 SET_FP(regs, val);
70}
71
72#endif /* __ASSEMBLY__ */
73
74#endif