| //===-- 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 |
