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