1353944Sdim//===-- asan_preinit.cpp --------------------------------------------------===//
2353944Sdim//
3353944Sdim// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4353944Sdim// See https://llvm.org/LICENSE.txt for license information.
5353944Sdim// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6353944Sdim//
7353944Sdim//===----------------------------------------------------------------------===//
8353944Sdim//
9353944Sdim// This file is a part of AddressSanitizer, an address sanity checker.
10353944Sdim//
11353944Sdim// Call __asan_init at the very early stage of process startup.
12353944Sdim//===----------------------------------------------------------------------===//
13353944Sdim#include "asan_internal.h"
14353944Sdim
15353944Sdimusing namespace __asan;
16353944Sdim
17353944Sdim#if SANITIZER_CAN_USE_PREINIT_ARRAY
18353944Sdim  // The symbol is called __local_asan_preinit, because it's not intended to be
19353944Sdim  // exported.
20353944Sdim  // This code linked into the main executable when -fsanitize=address is in
21353944Sdim  // the link flags. It can only use exported interface functions.
22353944Sdim  __attribute__((section(".preinit_array"), used))
23353944Sdim  void (*__local_asan_preinit)(void) = __asan_init;
24353944Sdim#endif
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