libsanitizer/lsan/lsan_preinit.cc

   1 //===-- lsan_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 LeakSanitizer.
   9 //
  10 // Call __lsan_init at the very early stage of process startup.
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "lsan.h"
  14
  15 #ifndef LSAN_USE_PREINIT_ARRAY
  16 #define LSAN_USE_PREINIT_ARRAY 1
  17 #endif
  18
  19 #if LSAN_USE_PREINIT_ARRAY && !defined(PIC)
  20   // We force __lsan_init to be called before anyone else by placing it into
  21   // .preinit_array section.
  22   __attribute__((section(".preinit_array"), used))
  23   void (*__local_lsan_preinit)(void) = __lsan_init;
  24 #endif