Rev 5270 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5270 | serge | 1 | /* |
| 2 | * Common low level (register) ptrace helpers |
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| 3 | * |
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| 4 | * Copyright 2004-2011 Analog Devices Inc. |
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| 5 | * |
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| 6 | * Licensed under the GPL-2 or later. |
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| 7 | */ |
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| 8 | |||
| 9 | #ifndef __ASM_GENERIC_PTRACE_H__ |
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| 10 | #define __ASM_GENERIC_PTRACE_H__ |
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| 11 | |||
| 12 | #ifndef __ASSEMBLY__ |
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| 13 | |||
| 14 | /* Helpers for working with the instruction pointer */ |
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| 15 | #ifndef GET_IP |
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| 16 | #define GET_IP(regs) ((regs)->pc) |
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| 17 | #endif |
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| 18 | #ifndef SET_IP |
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| 19 | #define SET_IP(regs, val) (GET_IP(regs) = (val)) |
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| 20 | #endif |
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| 21 | |||
| 22 | static inline unsigned long instruction_pointer(struct pt_regs *regs) |
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| 23 | { |
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| 24 | return GET_IP(regs); |
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| 25 | } |
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| 26 | static inline void instruction_pointer_set(struct pt_regs *regs, |
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| 27 | unsigned long val) |
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| 28 | { |
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| 29 | SET_IP(regs, val); |
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| 30 | } |
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| 31 | |||
| 32 | #ifndef profile_pc |
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| 33 | #define profile_pc(regs) instruction_pointer(regs) |
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| 34 | #endif |
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| 35 | |||
| 36 | /* Helpers for working with the user stack pointer */ |
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| 37 | #ifndef GET_USP |
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| 38 | #define GET_USP(regs) ((regs)->usp) |
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| 39 | #endif |
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| 40 | #ifndef SET_USP |
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| 41 | #define SET_USP(regs, val) (GET_USP(regs) = (val)) |
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| 42 | #endif |
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| 43 | |||
| 44 | static inline unsigned long user_stack_pointer(struct pt_regs *regs) |
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| 45 | { |
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| 46 | return GET_USP(regs); |
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| 47 | } |
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| 48 | static inline void user_stack_pointer_set(struct pt_regs *regs, |
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| 49 | unsigned long val) |
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| 50 | { |
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| 51 | SET_USP(regs, val); |
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| 52 | } |
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| 53 | |||
| 54 | /* Helpers for working with the frame pointer */ |
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| 55 | #ifndef GET_FP |
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| 56 | #define GET_FP(regs) ((regs)->fp) |
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| 57 | #endif |
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| 58 | #ifndef SET_FP |
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| 59 | #define SET_FP(regs, val) (GET_FP(regs) = (val)) |
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| 60 | #endif |
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| 61 | |||
| 62 | static inline unsigned long frame_pointer(struct pt_regs *regs) |
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| 63 | { |
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| 64 | return GET_FP(regs); |
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| 65 | } |
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| 66 | static inline void frame_pointer_set(struct pt_regs *regs, |
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| 67 | unsigned long val) |
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| 68 | { |
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| 69 | SET_FP(regs, val); |
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| 70 | } |
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| 71 | |||
| 72 | #endif /* __ASSEMBLY__ */ |
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| 73 | |||
| 74 | #endif |