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#ifndef _PTRACE_COMPATIBILITY_H_ #define _PTRACE_COMPATIBILITY_H_ #include <linux/ptrace.h> /* Older kernel's linux/ptrace.h don't define * arch_has_single_step()/arch_has_block_step(). */ #ifndef arch_has_single_step #include <linux/tracehook.h> /** * arch_has_single_step - does this CPU support user-mode single-step? * * If this is defined, then there must be function declarations or * inlines for user_enable_single_step() and user_disable_single_step(). * arch_has_single_step() should evaluate to nonzero iff the machine * supports instruction single-step for user mode. * It can be a constant or it can test a CPU feature bit. */ #ifdef ARCH_HAS_SINGLE_STEP #define arch_has_single_step() (ARCH_HAS_SINGLE_STEP) #else #define arch_has_single_step() (0) #endif /* ARCH_HAS_SINGLE_STEP */ #endif /* arch_has_single_step */ #ifndef arch_has_block_step /** * arch_has_block_step - does this CPU support user-mode block-step? * * If this is defined, then there must be a function declaration or inline * for user_enable_block_step(), and arch_has_single_step() must be defined * too. arch_has_block_step() should evaluate to nonzero iff the machine * supports step-until-branch for user mode. It can be a constant or it * can test a CPU feature bit. */ #ifdef ARCH_HAS_BLOCK_STEP #define arch_has_block_step() (ARCH_HAS_BLOCK_STEP) #else #define arch_has_block_step() (0) #endif /* ARCH_HAS_BLOCK_STEP */ #endif /* arch_has_block_step */ #endif /* _PTRACE_COMPATIBILITY_H_ */