vendor/compiler-rt/compiler-rt-trunk-r375505vendor/compiler-rt

1 files changed, 35 insertions, 0 deletions

diff --git a/lib/ubsan/ubsan_init_standalone_preinit.cpp b/lib/ubsan/ubsan_init_standalone_preinit.cpp
new file mode 100644
index 000000000000..fabbf919a402
--- /dev/null
+++ b/lib/ubsan/ubsan_init_standalone_preinit.cpp
@@ -0,0 +1,35 @@
+//===-- ubsan_init_standalone_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
+//
+//===----------------------------------------------------------------------===//
+//
+// Initialization of standalone UBSan runtime.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ubsan_platform.h"
+#if !CAN_SANITIZE_UB
+#error "UBSan is not supported on this platform!"
+#endif
+
+#include "sanitizer_common/sanitizer_internal_defs.h"
+#include "ubsan_init.h"
+#include "ubsan_signals_standalone.h"
+
+#if SANITIZER_CAN_USE_PREINIT_ARRAY
+
+namespace __ubsan {
+
+static void PreInitAsStandalone() {
+  InitAsStandalone();
+  InitializeDeadlySignals();
+}
+
+} // namespace __ubsan
+
+__attribute__((section(".preinit_array"), used)) void (*__local_ubsan_preinit)(
+    void) = __ubsan::PreInitAsStandalone;
+#endif // SANITIZER_CAN_USE_PREINIT_ARRAY