Release 4.15 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) {}
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static inline void kcov_task_exit(struct task_struct *t) {}

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#endif /* CONFIG_KCOV */
#endif /* _LINUX_KCOV_H */
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Directory: include/linux

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