[mirror_ubuntu-bionic-kernel.git] / include / linux / kcov.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_KCOV_H
#define _LINUX_KCOV_H

#include <uapi/linux/kcov.h>

struct task_struct;

#ifdef CONFIG_KCOV

enum kcov_mode {
	/* Coverage collection is not enabled yet. */
	KCOV_MODE_DISABLED = 0,
	/* KCOV was initialized, but tracing mode hasn't been chosen yet. */
	KCOV_MODE_INIT = 1,
	/*
	 * Tracing coverage collection mode.
	 * Covered PCs are collected in a per-task buffer.
	 */
	KCOV_MODE_TRACE_PC = 2,
	/* Collecting comparison operands mode. */
	KCOV_MODE_TRACE_CMP = 3,
};

void kcov_task_init(struct task_struct *t);
void kcov_task_exit(struct task_struct *t);

#else

static inline void kcov_task_init(struct task_struct *t) {}
static inline void kcov_task_exit(struct task_struct *t) {}

#endif /* CONFIG_KCOV */
#endif /* _LINUX_KCOV_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
5c9a8750 DV	2	#ifndef _LINUX_KCOV_H
	3	#define _LINUX_KCOV_H
	4
	5	#include <uapi/linux/kcov.h>
	6
	7	struct task_struct;
	8
	9	#ifdef CONFIG_KCOV
	10
5c9a8750 DV	11	enum kcov_mode {
	12	/* Coverage collection is not enabled yet. */
	13	KCOV_MODE_DISABLED = 0,
ded97d2c VC	14	/* KCOV was initialized, but tracing mode hasn't been chosen yet. */
ded97d2c VC	15	KCOV_MODE_INIT = 1,
5c9a8750 DV	16	/*
	17	* Tracing coverage collection mode.
	18	* Covered PCs are collected in a per-task buffer.
	19	*/
ded97d2c VC	20	KCOV_MODE_TRACE_PC = 2,
	21	/* Collecting comparison operands mode. */
	22	KCOV_MODE_TRACE_CMP = 3,
5c9a8750 DV	23	};
5c9a8750 DV	24
ded97d2c VC	25	void kcov_task_init(struct task_struct *t);
	26	void kcov_task_exit(struct task_struct *t);
	27
5c9a8750 DV	28	#else
	29
	30	static inline void kcov_task_init(struct task_struct *t) {}
	31	static inline void kcov_task_exit(struct task_struct *t) {}
	32
	33	#endif /* CONFIG_KCOV */
	34	#endif /* _LINUX_KCOV_H */