aboutsummaryrefslogtreecommitdiffstats
path: root/lib/asan/asan_win_weak_interception.cpp
diff options
context:
space:
mode:
authorDimitry Andric <dim@FreeBSD.org>2019-10-23 17:52:22 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-10-23 17:52:22 +0000
commit3a1720af1d7f43edc5b214cde0be11bfb94d077e (patch)
tree029e0ff2d5e3c0eaf2405fd8e669555fdf5e1297 /lib/asan/asan_win_weak_interception.cpp
parent8f3cadc28cb2bb9e8f9d69eeaaea1f57f2f7b2ab (diff)
downloadsrc-3a1720af1d7f43edc5b214cde0be11bfb94d077e.tar.gz
src-3a1720af1d7f43edc5b214cde0be11bfb94d077e.zip
Vendor import of stripped compiler-rt trunk r375505, the last commitvendor/compiler-rt/compiler-rt-trunk-r375505vendor/compiler-rt
before the upstream Subversion repository was made read-only, and the LLVM project migrated to GitHub: https://llvm.org/svn/llvm-project/compiler-rt/trunk@375505
Notes
Notes: svn path=/vendor/compiler-rt/dist/; revision=353944 svn path=/vendor/compiler-rt/compiler-rt-r375505/; revision=353945; tag=vendor/compiler-rt/compiler-rt-trunk-r375505
Diffstat (limited to 'lib/asan/asan_win_weak_interception.cpp')
-rw-r--r--lib/asan/asan_win_weak_interception.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/asan/asan_win_weak_interception.cpp b/lib/asan/asan_win_weak_interception.cpp
new file mode 100644
index 000000000000..62534e12e2a6
--- /dev/null
+++ b/lib/asan/asan_win_weak_interception.cpp
@@ -0,0 +1,22 @@
+//===-- asan_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 Address Sanitizer 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 "asan_interface_internal.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 "asan_interface.inc"
+#endif // SANITIZER_DYNAMIC