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//===-- sanitizer_mac_libcdep.cc ------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// 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
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