https://github.com/torvalds/linux
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Tip revision: a99cde438de0c4c0cecc1d1af1a55a75b10bfdef authored by Linus Torvalds on 04 July 2016, 06:01:00 UTC
Linux 4.7-rc6
Tip revision: a99cde4
kcov.h
#ifndef _LINUX_KCOV_H
#define _LINUX_KCOV_H

#include <uapi/linux/kcov.h>

struct task_struct;

#ifdef CONFIG_KCOV

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

enum kcov_mode {
	/* Coverage collection is not enabled yet. */
	KCOV_MODE_DISABLED = 0,
	/*
	 * Tracing coverage collection mode.
	 * Covered PCs are collected in a per-task buffer.
	 */
	KCOV_MODE_TRACE = 1,
};

#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 */
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