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-rw-r--r--include/linux/kcov.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/kcov.h b/include/linux/kcov.h
new file mode 100644
index 000000000000..87e2a44f1bab
--- /dev/null
+++ b/include/linux/kcov.h
@@ -0,0 +1,33 @@
+#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) {}
+static inline void kcov_task_exit(struct task_struct *t) {}
+
+#endif /* CONFIG_KCOV */
+#endif /* _LINUX_KCOV_H */