aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/libsanitizer/lsan/lsan_preinit.cc
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/libsanitizer/lsan/lsan_preinit.cc')
-rw-r--r--gcc-4.9/libsanitizer/lsan/lsan_preinit.cc24
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/libsanitizer/lsan/lsan_preinit.cc b/gcc-4.9/libsanitizer/lsan/lsan_preinit.cc
new file mode 100644
index 000000000..856f9f787
--- /dev/null
+++ b/gcc-4.9/libsanitizer/lsan/lsan_preinit.cc
@@ -0,0 +1,24 @@
+//===-- lsan_preinit.cc ---------------------------------------------------===//
+//
+// 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