aboutsummaryrefslogtreecommitdiff
path: root/contrib/llvm-project/compiler-rt/lib/hwasan/hwasan_preinit.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm-project/compiler-rt/lib/hwasan/hwasan_preinit.cpp')
-rw-r--r--contrib/llvm-project/compiler-rt/lib/hwasan/hwasan_preinit.cpp21
1 files changed, 21 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/hwasan/hwasan_preinit.cpp b/contrib/llvm-project/compiler-rt/lib/hwasan/hwasan_preinit.cpp
new file mode 100644
index 000000000000..8da47b5a2b78
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/hwasan/hwasan_preinit.cpp
@@ -0,0 +1,21 @@
+//===-- hwasan_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 HWAddressSanitizer, an address sanity checker.
+//
+// Call __hwasan_init at the very early stage of process startup.
+//===----------------------------------------------------------------------===//
+#include "hwasan_interface_internal.h"
+#include "sanitizer_common/sanitizer_internal_defs.h"
+
+#if SANITIZER_CAN_USE_PREINIT_ARRAY
+// This section is linked into the main executable when -fsanitize=hwaddress is
+// specified to perform initialization at a very early stage.
+__attribute__((section(".preinit_array"), used)) static auto preinit =
+ __hwasan_init;
+#endif