//===-- sanitizer_mac_libcdep.cpp -----------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file is shared between various sanitizers' runtime libraries and // implements OSX-specific functions. //===----------------------------------------------------------------------===// #include "sanitizer_platform.h" #if SANITIZER_MAC #include "sanitizer_mac.h" #include <sys/mman.h> namespace __sanitizer { void RestrictMemoryToMaxAddress(uptr max_address) { uptr size_to_mmap = GetMaxUserVirtualAddress() + 1 - max_address; void *res = MmapFixedNoAccess(max_address, size_to_mmap, "high gap"); CHECK(res != MAP_FAILED); } } // namespace __sanitizer #endif // SANITIZER_MAC |