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Diffstat (limited to 'lib/tsan/rtl/tsan_new_delete.cc')
-rw-r--r--lib/tsan/rtl/tsan_new_delete.cc88
1 files changed, 88 insertions, 0 deletions
diff --git a/lib/tsan/rtl/tsan_new_delete.cc b/lib/tsan/rtl/tsan_new_delete.cc
new file mode 100644
index 000000000000..2d9d044e42fa
--- /dev/null
+++ b/lib/tsan/rtl/tsan_new_delete.cc
@@ -0,0 +1,88 @@
+//===-- tsan_new_delete.cc ----------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of ThreadSanitizer (TSan), a race detector.
+//
+// Interceptors for operators new and delete.
+//===----------------------------------------------------------------------===//
+#include "sanitizer_common/sanitizer_internal_defs.h"
+#include "tsan_interceptors.h"
+
+using namespace __tsan; // NOLINT
+
+namespace std {
+struct nothrow_t {};
+} // namespace std
+
+#define OPERATOR_NEW_BODY(mangled_name) \
+ if (cur_thread()->in_symbolizer) \
+ return __libc_malloc(size); \
+ void *p = 0; \
+ { \
+ SCOPED_INTERCEPTOR_RAW(mangled_name, size); \
+ p = user_alloc(thr, pc, size); \
+ } \
+ invoke_malloc_hook(p, size); \
+ return p;
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void *operator new(__sanitizer::uptr size);
+void *operator new(__sanitizer::uptr size) {
+ OPERATOR_NEW_BODY(_Znwm);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void *operator new[](__sanitizer::uptr size);
+void *operator new[](__sanitizer::uptr size) {
+ OPERATOR_NEW_BODY(_Znam);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void *operator new(__sanitizer::uptr size, std::nothrow_t const&);
+void *operator new(__sanitizer::uptr size, std::nothrow_t const&) {
+ OPERATOR_NEW_BODY(_ZnwmRKSt9nothrow_t);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void *operator new[](__sanitizer::uptr size, std::nothrow_t const&);
+void *operator new[](__sanitizer::uptr size, std::nothrow_t const&) {
+ OPERATOR_NEW_BODY(_ZnamRKSt9nothrow_t);
+}
+
+#define OPERATOR_DELETE_BODY(mangled_name) \
+ if (ptr == 0) return; \
+ if (cur_thread()->in_symbolizer) \
+ return __libc_free(ptr); \
+ invoke_free_hook(ptr); \
+ SCOPED_INTERCEPTOR_RAW(mangled_name, ptr); \
+ user_free(thr, pc, ptr);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete(void *ptr) throw();
+void operator delete(void *ptr) throw() {
+ OPERATOR_DELETE_BODY(_ZdlPv);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete[](void *ptr) throw();
+void operator delete[](void *ptr) throw() {
+ OPERATOR_DELETE_BODY(_ZdaPv);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete(void *ptr, std::nothrow_t const&);
+void operator delete(void *ptr, std::nothrow_t const&) {
+ OPERATOR_DELETE_BODY(_ZdlPvRKSt9nothrow_t);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete[](void *ptr, std::nothrow_t const&);
+void operator delete[](void *ptr, std::nothrow_t const&) {
+ OPERATOR_DELETE_BODY(_ZdaPvRKSt9nothrow_t);
+}