libsanitizer/asan/asan_premap_shadow.h

   1 //===-- asan_mapping.h ------------------------------------------*- C++ -*-===//
   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 AddressSanitizer, an address sanity checker.
  10 //
  11 // Premap shadow range with an ifunc resolver.
  12 //===----------------------------------------------------------------------===//
  13
  14
  15 #ifndef ASAN_PREMAP_SHADOW_H
  16 #define ASAN_PREMAP_SHADOW_H
  17
  18 #if ASAN_PREMAP_SHADOW
  19 namespace __asan {
  20 // Conservative upper limit.
  21 uptr PremapShadowSize();
  22 bool PremapShadowFailed();
  23 }
  24 #endif
  25
  26 extern "C" INTERFACE_ATTRIBUTE void __asan_shadow();
  27 extern "C" decltype(__asan_shadow)* __asan_premap_shadow();
  28
  29 #endif // ASAN_PREMAP_SHADOW_H