1 files changed, 26 insertions, 0 deletions
diff --git a/lib/lsan/lsan_preinit.cc b/lib/lsan/lsan_preinit.cc
new file mode 100644
index 000000000000..e6639516dc81
--- /dev/null
+++ b/lib/lsan/lsan_preinit.cc
@@ -0,0 +1,26 @@
+//===-- lsan_preinit.cc ---------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of LeakSanitizer.
+//
+// Call __lsan_init at the very early stage of process startup.
+//===----------------------------------------------------------------------===//
+
+#include "lsan.h"
+
+#ifndef LSAN_USE_PREINIT_ARRAY
+#define LSAN_USE_PREINIT_ARRAY 1
+#endif
+
+#if LSAN_USE_PREINIT_ARRAY && !defined(PIC)
+  // We force __lsan_init to be called before anyone else by placing it into
+  // .preinit_array section.
+  __attribute__((section(".preinit_array"), used))
+  void (*__local_lsan_preinit)(void) = __lsan_init;
+#endif