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//===-- interception_mac.cc -------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Mac-specific interception methods.
//===----------------------------------------------------------------------===//
#ifdef __APPLE__
#include "interception.h"
#include "mach_override/mach_override.h"
namespace __interception {
bool OverrideFunction(uptr old_func, uptr new_func, uptr *orig_old_func) {
*orig_old_func = 0;
int res = __asan_mach_override_ptr_custom((void*)old_func, (void*)new_func,
(void**)orig_old_func,
__interception_allocate_island,
__interception_deallocate_island);
return (res == 0) && (*orig_old_func != 0);
}
} // namespace __interception
#endif // __APPLE__
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