src/compiler-rt/lib/asan/asan_preinit.cc

   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