compiler-rt/lib/ubsan/ubsan_init_standalone_preinit.cpp

   1 //===-- ubsan_init_standalone_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 // Initialization of standalone UBSan runtime.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "ubsan_platform.h"
  14 #if !CAN_SANITIZE_UB
  15 #error "UBSan is not supported on this platform!"
  16 #endif
  17
  18 #include "sanitizer_common/sanitizer_internal_defs.h"
  19 #include "ubsan_init.h"
  20 #include "ubsan_signals_standalone.h"
  21
  22 #if SANITIZER_CAN_USE_PREINIT_ARRAY
  23
  24 namespace __ubsan {
  25
  26 static void PreInitAsStandalone() {
  27   InitAsStandalone();
  28   InitializeDeadlySignals();
  29 }
  30
  31 } // namespace __ubsan
  32
  33 __attribute__((section(".preinit_array"), used)) static auto preinit =
  34     __ubsan::PreInitAsStandalone;
  35 #endif // SANITIZER_CAN_USE_PREINIT_ARRAY