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Diffstat (limited to 'lib/interception/interception_mac.cc')
-rw-r--r-- | lib/interception/interception_mac.cc | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/interception/interception_mac.cc b/lib/interception/interception_mac.cc new file mode 100644 index 000000000000..cc9e4a70db8f --- /dev/null +++ b/lib/interception/interception_mac.cc @@ -0,0 +1,33 @@ +//===-- interception_mac.cc -------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// 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__ + +#define INCLUDED_FROM_INTERCEPTION_LIB +#include "interception_mac.h" +#undef INCLUDED_FROM_INTERCEPTION_LIB +#include "mach_override/mach_override.h" + +namespace __interception { +bool OverrideFunction(void *old_func, void *new_func, void **orig_old_func) { + *orig_old_func = NULL; + int res = __asan_mach_override_ptr_custom(old_func, new_func, + orig_old_func, + __interception_allocate_island, + __interception_deallocate_island); + return (res == 0) && (*orig_old_func != NULL); +} +} // namespace __interception + +#endif // __APPLE__ |