diff options
Diffstat (limited to 'lib/ubsan/ubsan_win_weak_interception.cc')
| -rw-r--r-- | lib/ubsan/ubsan_win_weak_interception.cc | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/ubsan/ubsan_win_weak_interception.cc b/lib/ubsan/ubsan_win_weak_interception.cc new file mode 100644 index 000000000000..353719eefacf --- /dev/null +++ b/lib/ubsan/ubsan_win_weak_interception.cc @@ -0,0 +1,23 @@ +//===-- ubsan_win_weak_interception.cc ------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// This module should be included in Ubsan when it is implemented as a shared +// library on Windows (dll), in order to delegate the calls of weak functions to +// the implementation in the main executable when a strong definition is +// provided. +//===----------------------------------------------------------------------===// +#ifdef SANITIZER_DYNAMIC +#include "sanitizer_common/sanitizer_win_weak_interception.h" +#include "ubsan_flags.h" +// Check if strong definitions for weak functions are present in the main +// executable. If that is the case, override dll functions to point to strong +// implementations. +#define INTERFACE_FUNCTION(Name) +#define INTERFACE_WEAK_FUNCTION(Name) INTERCEPT_SANITIZER_WEAK_FUNCTION(Name) +#include "ubsan_interface.inc" +#endif // SANITIZER_DYNAMIC |