libsanitizer/lsan/lsan_preinit.cpp

   1 //===-- lsan_preinit.cpp --------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is a part of LeakSanitizer.
  10 //
  11 // Call __lsan_init at the very early stage of process startup.
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "lsan.h"
  15
  16 #if SANITIZER_CAN_USE_PREINIT_ARRAY
  17   // We force __lsan_init to be called before anyone else by placing it into
  18   // .preinit_array section.
  19   __attribute__((section(".preinit_array"), used))
  20   void (*__local_lsan_preinit)(void) = __lsan_init;
  21 #endif