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1 //===-- asan_preinit.cc ---------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file is a part of AddressSanitizer, an address sanity checker.
11 //
12 // Call __asan_init at the very early stage of process startup.
13 //===----------------------------------------------------------------------===//
14 #include "asan_internal.h"
15 
16 using namespace __asan;
17 
18 #if SANITIZER_CAN_USE_PREINIT_ARRAY
19   // The symbol is called __local_asan_preinit, because it's not intended to be
20   // exported.
21   // This code linked into the main executable when -fsanitize=address is in
22   // the link flags. It can only use exported interface functions.
23   __attribute__((section(".preinit_array"), used))
24   void (*__local_asan_preinit)(void) = __asan_init;
25 #endif
26