1 files changed, 49 insertions, 0 deletions
diff --git a/lib/ubsan/ubsan_monitor.h b/lib/ubsan/ubsan_monitor.h
new file mode 100644
index 000000000000..7159cbb2c587
--- /dev/null
+++ b/lib/ubsan/ubsan_monitor.h
@@ -0,0 +1,49 @@
+//===-- ubsan_monitor.h -----------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Hooks which allow a monitor process to inspect UBSan's diagnostics.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef UBSAN_MONITOR_H
+#define UBSAN_MONITOR_H
+
+#include "ubsan_diag.h"
+#include "ubsan_value.h"
+
+namespace __ubsan {
+
+struct UndefinedBehaviorReport {
+  const char *IssueKind;
+  Location &Loc;
+  InternalScopedString Buffer;
+
+  UndefinedBehaviorReport(const char *IssueKind, Location &Loc,
+                          InternalScopedString &Msg);
+};
+
+SANITIZER_INTERFACE_ATTRIBUTE void
+RegisterUndefinedBehaviorReport(UndefinedBehaviorReport *UBR);
+
+/// Called after a report is prepared. This serves to alert monitor processes
+/// that a UB report is available.
+extern "C" SANITIZER_INTERFACE_ATTRIBUTE void __ubsan_on_report(void);
+
+/// Used by the monitor process to extract information from a UB report. The
+/// data is only available until the next time __ubsan_on_report is called. The
+/// caller is responsible for copying and preserving the data if needed.
+extern "C" SANITIZER_INTERFACE_ATTRIBUTE void
+__ubsan_get_current_report_data(const char **OutIssueKind,
+                                const char **OutMessage,
+                                const char **OutFilename, unsigned *OutLine,
+                                unsigned *OutCol, char **OutMemoryAddr);
+
+} // end namespace __ubsan
+
+#endif // UBSAN_MONITOR_H