diff options
Diffstat (limited to 'libsanitizer/interception/interception_mac.cc')
| -rw-r--r-- | libsanitizer/interception/interception_mac.cc | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libsanitizer/interception/interception_mac.cc b/libsanitizer/interception/interception_mac.cc new file mode 100644 index 00000000000..c9b7dd32d0f --- /dev/null +++ b/libsanitizer/interception/interception_mac.cc @@ -0,0 +1,29 @@ +//===-- 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__ |