libsanitizer/asan/asan_preinit.cc

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