1*217222abSNico Weber //===-- asan_preinit.cpp --------------------------------------------------===//
2*217222abSNico Weber //
3*217222abSNico Weber // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*217222abSNico Weber // See https://llvm.org/LICENSE.txt for license information.
5*217222abSNico Weber // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*217222abSNico Weber //
7*217222abSNico Weber //===----------------------------------------------------------------------===//
8*217222abSNico Weber //
9*217222abSNico Weber // This file is a part of AddressSanitizer, an address sanity checker.
10*217222abSNico Weber //
11*217222abSNico Weber // Call __asan_init at the very early stage of process startup.
12*217222abSNico Weber //===----------------------------------------------------------------------===//
13*217222abSNico Weber #include "asan_internal.h"
14*217222abSNico Weber 
15*217222abSNico Weber using namespace __asan;
16*217222abSNico Weber 
17*217222abSNico Weber #if SANITIZER_CAN_USE_PREINIT_ARRAY
18*217222abSNico Weber   // The symbol is called __local_asan_preinit, because it's not intended to be
19*217222abSNico Weber   // exported.
20*217222abSNico Weber   // This code linked into the main executable when -fsanitize=address is in
21*217222abSNico Weber   // the link flags. It can only use exported interface functions.
22*217222abSNico Weber   __attribute__((section(".preinit_array"), used))
23*217222abSNico Weber   void (*__local_asan_preinit)(void) = __asan_init;
24*217222abSNico Weber #endif
25