1 #ifndef _LINUX_KCOV_H 2 #define _LINUX_KCOV_H 3 4 #include <uapi/linux/kcov.h> 5 6 struct task_struct; 7 8 #ifdef CONFIG_KCOV 9 10 enum kcov_mode { 11 /* Coverage collection is not enabled yet. */ 12 KCOV_MODE_DISABLED = 0, 13 /* KCOV was initialized, but tracing mode hasn't been chosen yet. */ 14 KCOV_MODE_INIT = 1, 15 /* 16 * Tracing coverage collection mode. 17 * Covered PCs are collected in a per-task buffer. 18 */ 19 KCOV_MODE_TRACE_PC = 2, 20 /* Collecting comparison operands mode. */ 21 KCOV_MODE_TRACE_CMP = 3, 22 }; 23 24 void kcov_task_init(struct task_struct *t); 25 void kcov_task_exit(struct task_struct *t); 26 27 #else 28 kcov_task_init(struct task_struct * t)29static inline void kcov_task_init(struct task_struct *t) {} kcov_task_exit(struct task_struct * t)30static inline void kcov_task_exit(struct task_struct *t) {} 31 32 #endif /* CONFIG_KCOV */ 33 #endif /* _LINUX_KCOV_H */ 34