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-rw-r--r--contrib/llvm-project/compiler-rt/lib/memprof/memprof_preinit.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/memprof/memprof_preinit.cpp b/contrib/llvm-project/compiler-rt/lib/memprof/memprof_preinit.cpp
new file mode 100644
index 000000000000..ad62a99c44c7
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/memprof/memprof_preinit.cpp
@@ -0,0 +1,22 @@
+//===-- memprof_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 MemProfiler, a memory profiler.
+//
+// Call __memprof_init at the very early stage of process startup.
+//===----------------------------------------------------------------------===//
+#include "memprof_internal.h"
+
+using namespace __memprof;
+
+#if SANITIZER_CAN_USE_PREINIT_ARRAY
+// This section is linked into the main executable when -fmemory-profile is
+// specified to perform initialization at a very early stage.
+__attribute__((section(".preinit_array"), used)) static auto preinit =
+ __memprof_preinit;
+#endif