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-rw-r--r--lib/tsan/rtl/tsan_new_delete.cpp199
1 files changed, 199 insertions, 0 deletions
diff --git a/lib/tsan/rtl/tsan_new_delete.cpp b/lib/tsan/rtl/tsan_new_delete.cpp
new file mode 100644
index 000000000000..fc44a5221b5b
--- /dev/null
+++ b/lib/tsan/rtl/tsan_new_delete.cpp
@@ -0,0 +1,199 @@
+//===-- tsan_new_delete.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 file is a part of ThreadSanitizer (TSan), a race detector.
+//
+// Interceptors for operators new and delete.
+//===----------------------------------------------------------------------===//
+#include "interception/interception.h"
+#include "sanitizer_common/sanitizer_allocator.h"
+#include "sanitizer_common/sanitizer_allocator_report.h"
+#include "sanitizer_common/sanitizer_internal_defs.h"
+#include "tsan_interceptors.h"
+#include "tsan_rtl.h"
+
+using namespace __tsan;
+
+namespace std {
+struct nothrow_t {};
+enum class align_val_t: __sanitizer::uptr {};
+} // namespace std
+
+DECLARE_REAL(void *, malloc, uptr size)
+DECLARE_REAL(void, free, void *ptr)
+
+// TODO(alekseys): throw std::bad_alloc instead of dying on OOM.
+#define OPERATOR_NEW_BODY(mangled_name, nothrow) \
+ if (in_symbolizer()) \
+ return InternalAlloc(size); \
+ void *p = 0; \
+ { \
+ SCOPED_INTERCEPTOR_RAW(mangled_name, size); \
+ p = user_alloc(thr, pc, size); \
+ if (!nothrow && UNLIKELY(!p)) { \
+ GET_STACK_TRACE_FATAL(thr, pc); \
+ ReportOutOfMemory(size, &stack); \
+ } \
+ } \
+ invoke_malloc_hook(p, size); \
+ return p;
+
+#define OPERATOR_NEW_BODY_ALIGN(mangled_name, nothrow) \
+ if (in_symbolizer()) \
+ return InternalAlloc(size, nullptr, (uptr)align); \
+ void *p = 0; \
+ { \
+ SCOPED_INTERCEPTOR_RAW(mangled_name, size); \
+ p = user_memalign(thr, pc, (uptr)align, size); \
+ if (!nothrow && UNLIKELY(!p)) { \
+ GET_STACK_TRACE_FATAL(thr, pc); \
+ ReportOutOfMemory(size, &stack); \
+ } \
+ } \
+ 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, false /*nothrow*/);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void *operator new[](__sanitizer::uptr size);
+void *operator new[](__sanitizer::uptr size) {
+ OPERATOR_NEW_BODY(_Znam, false /*nothrow*/);
+}
+
+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, true /*nothrow*/);
+}
+
+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, true /*nothrow*/);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void *operator new(__sanitizer::uptr size, std::align_val_t align);
+void *operator new(__sanitizer::uptr size, std::align_val_t align) {
+ OPERATOR_NEW_BODY_ALIGN(_ZnwmSt11align_val_t, false /*nothrow*/);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void *operator new[](__sanitizer::uptr size, std::align_val_t align);
+void *operator new[](__sanitizer::uptr size, std::align_val_t align) {
+ OPERATOR_NEW_BODY_ALIGN(_ZnamSt11align_val_t, false /*nothrow*/);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void *operator new(__sanitizer::uptr size, std::align_val_t align,
+ std::nothrow_t const&);
+void *operator new(__sanitizer::uptr size, std::align_val_t align,
+ std::nothrow_t const&) {
+ OPERATOR_NEW_BODY_ALIGN(_ZnwmSt11align_val_tRKSt9nothrow_t,
+ true /*nothrow*/);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void *operator new[](__sanitizer::uptr size, std::align_val_t align,
+ std::nothrow_t const&);
+void *operator new[](__sanitizer::uptr size, std::align_val_t align,
+ std::nothrow_t const&) {
+ OPERATOR_NEW_BODY_ALIGN(_ZnamSt11align_val_tRKSt9nothrow_t,
+ true /*nothrow*/);
+}
+
+#define OPERATOR_DELETE_BODY(mangled_name) \
+ if (ptr == 0) return; \
+ if (in_symbolizer()) \
+ return InternalFree(ptr); \
+ invoke_free_hook(ptr); \
+ SCOPED_INTERCEPTOR_RAW(mangled_name, ptr); \
+ user_free(thr, pc, ptr);
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete(void *ptr) NOEXCEPT;
+void operator delete(void *ptr) NOEXCEPT {
+ OPERATOR_DELETE_BODY(_ZdlPv);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete[](void *ptr) NOEXCEPT;
+void operator delete[](void *ptr) NOEXCEPT {
+ 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);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete(void *ptr, __sanitizer::uptr size) NOEXCEPT;
+void operator delete(void *ptr, __sanitizer::uptr size) NOEXCEPT {
+ OPERATOR_DELETE_BODY(_ZdlPvm);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete[](void *ptr, __sanitizer::uptr size) NOEXCEPT;
+void operator delete[](void *ptr, __sanitizer::uptr size) NOEXCEPT {
+ OPERATOR_DELETE_BODY(_ZdaPvm);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete(void *ptr, std::align_val_t align) NOEXCEPT;
+void operator delete(void *ptr, std::align_val_t align) NOEXCEPT {
+ OPERATOR_DELETE_BODY(_ZdlPvSt11align_val_t);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete[](void *ptr, std::align_val_t align) NOEXCEPT;
+void operator delete[](void *ptr, std::align_val_t align) NOEXCEPT {
+ OPERATOR_DELETE_BODY(_ZdaPvSt11align_val_t);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete(void *ptr, std::align_val_t align, std::nothrow_t const&);
+void operator delete(void *ptr, std::align_val_t align, std::nothrow_t const&) {
+ OPERATOR_DELETE_BODY(_ZdlPvSt11align_val_tRKSt9nothrow_t);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete[](void *ptr, std::align_val_t align,
+ std::nothrow_t const&);
+void operator delete[](void *ptr, std::align_val_t align,
+ std::nothrow_t const&) {
+ OPERATOR_DELETE_BODY(_ZdaPvSt11align_val_tRKSt9nothrow_t);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete(void *ptr, __sanitizer::uptr size,
+ std::align_val_t align) NOEXCEPT;
+void operator delete(void *ptr, __sanitizer::uptr size,
+ std::align_val_t align) NOEXCEPT {
+ OPERATOR_DELETE_BODY(_ZdlPvmSt11align_val_t);
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE
+void operator delete[](void *ptr, __sanitizer::uptr size,
+ std::align_val_t align) NOEXCEPT;
+void operator delete[](void *ptr, __sanitizer::uptr size,
+ std::align_val_t align) NOEXCEPT {
+ OPERATOR_DELETE_BODY(_ZdaPvmSt11align_val_t);
+}