aboutsummaryrefslogtreecommitdiffstats
path: root/lib/ubsan/ubsan_init.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/ubsan/ubsan_init.cpp
parent8f3cadc28cb2bb9e8f9d69eeaaea1f57f2f7b2ab (diff)
downloadsrc-vendor/compiler-rt.tar.gz
src-vendor/compiler-rt.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/ubsan/ubsan_init.cpp')
-rw-r--r--lib/ubsan/ubsan_init.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/ubsan/ubsan_init.cpp b/lib/ubsan/ubsan_init.cpp
new file mode 100644
index 000000000000..1a3b7d372674
--- /dev/null
+++ b/lib/ubsan/ubsan_init.cpp
@@ -0,0 +1,64 @@
+//===-- ubsan_init.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
+//
+//===----------------------------------------------------------------------===//
+//
+// Initialization of UBSan runtime.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ubsan_platform.h"
+#if CAN_SANITIZE_UB
+#include "ubsan_diag.h"
+#include "ubsan_init.h"
+#include "ubsan_flags.h"
+#include "sanitizer_common/sanitizer_common.h"
+#include "sanitizer_common/sanitizer_libc.h"
+#include "sanitizer_common/sanitizer_mutex.h"
+#include "sanitizer_common/sanitizer_symbolizer.h"
+
+using namespace __ubsan;
+
+const char *__ubsan::GetSanititizerToolName() {
+ return "UndefinedBehaviorSanitizer";
+}
+
+static bool ubsan_initialized;
+static StaticSpinMutex ubsan_init_mu;
+
+static void CommonInit() {
+ InitializeSuppressions();
+}
+
+static void CommonStandaloneInit() {
+ SanitizerToolName = GetSanititizerToolName();
+ CacheBinaryName();
+ InitializeFlags();
+ __sanitizer_set_report_path(common_flags()->log_path);
+ AndroidLogInit();
+ InitializeCoverage(common_flags()->coverage, common_flags()->coverage_dir);
+ CommonInit();
+}
+
+void __ubsan::InitAsStandalone() {
+ SpinMutexLock l(&ubsan_init_mu);
+ if (!ubsan_initialized) {
+ CommonStandaloneInit();
+ ubsan_initialized = true;
+ }
+}
+
+void __ubsan::InitAsStandaloneIfNecessary() { return InitAsStandalone(); }
+
+void __ubsan::InitAsPlugin() {
+ SpinMutexLock l(&ubsan_init_mu);
+ if (!ubsan_initialized) {
+ CommonInit();
+ ubsan_initialized = true;
+ }
+}
+
+#endif // CAN_SANITIZE_UB