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TOMOYO Linux Cross Reference
Linux/include/linux/kcov.h

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  1 /* SPDX-License-Identifier: GPL-2.0 */
  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 
 11 enum kcov_mode {
 12         /* Coverage collection is not enabled yet. */
 13         KCOV_MODE_DISABLED = 0,
 14         /* KCOV was initialized, but tracing mode hasn't been chosen yet. */
 15         KCOV_MODE_INIT = 1,
 16         /*
 17          * Tracing coverage collection mode.
 18          * Covered PCs are collected in a per-task buffer.
 19          */
 20         KCOV_MODE_TRACE_PC = 2,
 21         /* Collecting comparison operands mode. */
 22         KCOV_MODE_TRACE_CMP = 3,
 23 };
 24 
 25 void kcov_task_init(struct task_struct *t);
 26 void kcov_task_exit(struct task_struct *t);
 27 
 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 */
 35 

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