linux/kernel/kcov.c

51 	 *  - task with enabled coverage (we can't unwire it from another task)
52 	 *  - each code section for remote coverage collection
60 	/* Coverage buffer shared with user space. */
62 	/* Task for which we collect coverage, or NULL. */
64 	/* Collecting coverage from remote (background) threads. */
178 	 * We are interested in code coverage as a function of a syscall inputs,  in check_kcov_mode()
180 	 * coverage collection section in a softirq.  in check_kcov_mode()
463 	 *    shouldn't be exiting when it's in a kcov coverage collection  in kcov_task_exit()
465 	 *    coverage, and t->kcov->t points to the thread that created the  in kcov_task_exit()
596 		 * Enable coverage for the current task.  in kcov_ioctl_locked()
598 		 * and mmapped the file. Coverage collection is disabled only  in kcov_ioctl_locked()
619 		/* Disable coverage for the current task. */  in kcov_ioctl_locked()
769  * used to collect coverage from that part of code.
772  * used for coverage collection. A userspace process passes this handle to
774  * coverage for the code section identified by this handle.
802  * provided handle, allocates an area for coverage collection, and saves the
803  * pointers to kcov and area into the current task_struct to allow coverage to
806  * collecting coverage and copies all collected coverage into the kcov area.
877 	 * happened while collecting coverage from a background thread.  in kcov_remote_start()
922 	/* Reset coverage size. */  in kcov_remote_start()
1015 	 * actually found the remote handle and started collecting coverage.  in kcov_remote_stop()