| Dmitry Vyukov | 5c9a875 | 2016-03-22 14:27:30 -0700 | [diff] [blame] | 1 | #ifndef _LINUX_KCOV_H |
| 2 | #define _LINUX_KCOV_H |
| 3 | |
| 4 | #include <uapi/linux/kcov.h> |
| 5 | |
| 6 | struct task_struct; |
| 7 | |
| 8 | #ifdef CONFIG_KCOV |
| 9 | |
| Dmitry Vyukov | 5c9a875 | 2016-03-22 14:27:30 -0700 | [diff] [blame] | 10 | enum kcov_mode { |
| 11 | /* Coverage collection is not enabled yet. */ |
| 12 | KCOV_MODE_DISABLED = 0, |
| Victor Chibotaru | 9412609 | 2017-11-17 15:30:46 -0800 | [diff] [blame] | 13 | /* KCOV was initialized, but tracing mode hasn't been chosen yet. */ |
| 14 | KCOV_MODE_INIT = 1, |
| Dmitry Vyukov | 5c9a875 | 2016-03-22 14:27:30 -0700 | [diff] [blame] | 15 | /* |
| 16 | * Tracing coverage collection mode. |
| 17 | * Covered PCs are collected in a per-task buffer. |
| 18 | */ |
| Victor Chibotaru | 9412609 | 2017-11-17 15:30:46 -0800 | [diff] [blame] | 19 | KCOV_MODE_TRACE_PC = 2, |
| 20 | /* Collecting comparison operands mode. */ |
| 21 | KCOV_MODE_TRACE_CMP = 3, |
| Dmitry Vyukov | 5c9a875 | 2016-03-22 14:27:30 -0700 | [diff] [blame] | 22 | }; |
| 23 | |
| Victor Chibotaru | 9412609 | 2017-11-17 15:30:46 -0800 | [diff] [blame] | 24 | void kcov_task_init(struct task_struct *t); |
| 25 | void kcov_task_exit(struct task_struct *t); |
| 26 | |
| Dmitry Vyukov | 5c9a875 | 2016-03-22 14:27:30 -0700 | [diff] [blame] | 27 | #else |
| 28 | |
| 29 | static inline void kcov_task_init(struct task_struct *t) {} |
| 30 | static inline void kcov_task_exit(struct task_struct *t) {} |
| 31 | |
| 32 | #endif /* CONFIG_KCOV */ |
| 33 | #endif /* _LINUX_KCOV_H */ |