| Mike Frysinger | edeafa7 | 2011-05-26 16:25:39 -0700 | [diff] [blame] | 1 | /* |
| 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 | |
| 22 | static inline unsigned long instruction_pointer(struct pt_regs *regs) |
| 23 | { |
| 24 | return GET_IP(regs); |
| 25 | } |
| 26 | static 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 | |
| 44 | static inline unsigned long user_stack_pointer(struct pt_regs *regs) |
| 45 | { |
| 46 | return GET_USP(regs); |
| 47 | } |
| 48 | static 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 | |
| 62 | static inline unsigned long frame_pointer(struct pt_regs *regs) |
| 63 | { |
| 64 | return GET_FP(regs); |
| 65 | } |
| 66 | static 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 |