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-rw-r--r--contrib/llvm-project/compiler-rt/lib/asan/asan_preinit.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/asan/asan_preinit.cpp b/contrib/llvm-project/compiler-rt/lib/asan/asan_preinit.cpp
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index 000000000000..23169383bb74
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/asan/asan_preinit.cpp
@@ -0,0 +1,22 @@
+//===-- asan_preinit.cpp --------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of AddressSanitizer, an address sanity checker.
+//
+// Call __asan_init at the very early stage of process startup.
+//===----------------------------------------------------------------------===//
+#include "asan_internal.h"
+
+using namespace __asan;
+
+#if SANITIZER_CAN_USE_PREINIT_ARRAY
+// This section is linked into the main executable when -fsanitize=address is
+// specified to perform initialization at a very early stage.
+__attribute__((section(".preinit_array"), used)) static auto preinit =
+ __asan_init;
+#endif