|  | /* | 
|  | * Common low level (register) ptrace helpers | 
|  | * | 
|  | * Copyright 2004-2011 Analog Devices Inc. | 
|  | * | 
|  | * Licensed under the GPL-2 or later. | 
|  | */ | 
|  |  | 
|  | #ifndef __ASM_GENERIC_PTRACE_H__ | 
|  | #define __ASM_GENERIC_PTRACE_H__ | 
|  |  | 
|  | #ifndef __ASSEMBLY__ | 
|  |  | 
|  | /* Helpers for working with the instruction pointer */ | 
|  | #ifndef GET_IP | 
|  | #define GET_IP(regs) ((regs)->pc) | 
|  | #endif | 
|  | #ifndef SET_IP | 
|  | #define SET_IP(regs, val) (GET_IP(regs) = (val)) | 
|  | #endif | 
|  |  | 
|  | static inline unsigned long instruction_pointer(struct pt_regs *regs) | 
|  | { | 
|  | return GET_IP(regs); | 
|  | } | 
|  | static inline void instruction_pointer_set(struct pt_regs *regs, | 
|  | unsigned long val) | 
|  | { | 
|  | SET_IP(regs, val); | 
|  | } | 
|  |  | 
|  | #ifndef profile_pc | 
|  | #define profile_pc(regs) instruction_pointer(regs) | 
|  | #endif | 
|  |  | 
|  | /* Helpers for working with the user stack pointer */ | 
|  | #ifndef GET_USP | 
|  | #define GET_USP(regs) ((regs)->usp) | 
|  | #endif | 
|  | #ifndef SET_USP | 
|  | #define SET_USP(regs, val) (GET_USP(regs) = (val)) | 
|  | #endif | 
|  |  | 
|  | static inline unsigned long user_stack_pointer(struct pt_regs *regs) | 
|  | { | 
|  | return GET_USP(regs); | 
|  | } | 
|  | static inline void user_stack_pointer_set(struct pt_regs *regs, | 
|  | unsigned long val) | 
|  | { | 
|  | SET_USP(regs, val); | 
|  | } | 
|  |  | 
|  | /* Helpers for working with the frame pointer */ | 
|  | #ifndef GET_FP | 
|  | #define GET_FP(regs) ((regs)->fp) | 
|  | #endif | 
|  | #ifndef SET_FP | 
|  | #define SET_FP(regs, val) (GET_FP(regs) = (val)) | 
|  | #endif | 
|  |  | 
|  | static inline unsigned long frame_pointer(struct pt_regs *regs) | 
|  | { | 
|  | return GET_FP(regs); | 
|  | } | 
|  | static inline void frame_pointer_set(struct pt_regs *regs, | 
|  | unsigned long val) | 
|  | { | 
|  | SET_FP(regs, val); | 
|  | } | 
|  |  | 
|  | #endif /* __ASSEMBLY__ */ | 
|  |  | 
|  | #endif |