summaryrefslogtreecommitdiff
path: root/lib/sanitizer_common/sanitizer_coverage_win_weak_interception.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/sanitizer_common/sanitizer_coverage_win_weak_interception.cpp')
-rw-r--r--lib/sanitizer_common/sanitizer_coverage_win_weak_interception.cpp23
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_coverage_win_weak_interception.cpp b/lib/sanitizer_common/sanitizer_coverage_win_weak_interception.cpp
new file mode 100644
index 000000000000..55263981705f
--- /dev/null
+++ b/lib/sanitizer_common/sanitizer_coverage_win_weak_interception.cpp
@@ -0,0 +1,23 @@
+//===-- sanitizer_coverage_win_weak_interception.cpp ----------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+// This module should be included in Sanitizer Coverage when it 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_win_weak_interception.h"
+#include "sanitizer_interface_internal.h"
+#include "sancov_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 "sanitizer_coverage_interface.inc"
+#endif // SANITIZER_DYNAMIC