1*b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 25c9a8750SDmitry Vyukov #ifndef _LINUX_KCOV_H 35c9a8750SDmitry Vyukov #define _LINUX_KCOV_H 45c9a8750SDmitry Vyukov 55c9a8750SDmitry Vyukov #include <uapi/linux/kcov.h> 65c9a8750SDmitry Vyukov 75c9a8750SDmitry Vyukov struct task_struct; 85c9a8750SDmitry Vyukov 95c9a8750SDmitry Vyukov #ifdef CONFIG_KCOV 105c9a8750SDmitry Vyukov 115c9a8750SDmitry Vyukov void kcov_task_init(struct task_struct *t); 125c9a8750SDmitry Vyukov void kcov_task_exit(struct task_struct *t); 135c9a8750SDmitry Vyukov 145c9a8750SDmitry Vyukov enum kcov_mode { 155c9a8750SDmitry Vyukov /* Coverage collection is not enabled yet. */ 165c9a8750SDmitry Vyukov KCOV_MODE_DISABLED = 0, 175c9a8750SDmitry Vyukov /* 185c9a8750SDmitry Vyukov * Tracing coverage collection mode. 195c9a8750SDmitry Vyukov * Covered PCs are collected in a per-task buffer. 205c9a8750SDmitry Vyukov */ 215c9a8750SDmitry Vyukov KCOV_MODE_TRACE = 1, 225c9a8750SDmitry Vyukov }; 235c9a8750SDmitry Vyukov 245c9a8750SDmitry Vyukov #else 255c9a8750SDmitry Vyukov 265c9a8750SDmitry Vyukov static inline void kcov_task_init(struct task_struct *t) {} 275c9a8750SDmitry Vyukov static inline void kcov_task_exit(struct task_struct *t) {} 285c9a8750SDmitry Vyukov 295c9a8750SDmitry Vyukov #endif /* CONFIG_KCOV */ 305c9a8750SDmitry Vyukov #endif /* _LINUX_KCOV_H */ 31