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-rw-r--r--contrib/llvm-project/compiler-rt/lib/memprof/memprof_new_delete.cpp145
1 files changed, 145 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/memprof/memprof_new_delete.cpp b/contrib/llvm-project/compiler-rt/lib/memprof/memprof_new_delete.cpp
new file mode 100644
index 000000000000..cae5de301367
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/memprof/memprof_new_delete.cpp
@@ -0,0 +1,145 @@
+//===-- memprof_interceptors.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 MemProfiler, a memory profiler.
+//
+// Interceptors for operators new and delete.
+//===----------------------------------------------------------------------===//
+
+#include "memprof_allocator.h"
+#include "memprof_internal.h"
+#include "memprof_stack.h"
+#include "sanitizer_common/sanitizer_allocator_report.h"
+
+#include "interception/interception.h"
+
+#include <stddef.h>
+
+#define CXX_OPERATOR_ATTRIBUTE INTERCEPTOR_ATTRIBUTE
+
+using namespace __memprof;
+
+// Fake std::nothrow_t and std::align_val_t to avoid including <new>.
+namespace std {
+struct nothrow_t {};
+enum class align_val_t : size_t {};
+} // namespace std
+
+#define OPERATOR_NEW_BODY(type, nothrow) \
+ GET_STACK_TRACE_MALLOC; \
+ void *res = memprof_memalign(0, size, &stack, type); \
+ if (!nothrow && UNLIKELY(!res)) \
+ ReportOutOfMemory(size, &stack); \
+ return res;
+#define OPERATOR_NEW_BODY_ALIGN(type, nothrow) \
+ GET_STACK_TRACE_MALLOC; \
+ void *res = memprof_memalign((uptr)align, size, &stack, type); \
+ if (!nothrow && UNLIKELY(!res)) \
+ ReportOutOfMemory(size, &stack); \
+ return res;
+
+CXX_OPERATOR_ATTRIBUTE
+void *operator new(size_t size) {
+ OPERATOR_NEW_BODY(FROM_NEW, false /*nothrow*/);
+}
+CXX_OPERATOR_ATTRIBUTE
+void *operator new[](size_t size) {
+ OPERATOR_NEW_BODY(FROM_NEW_BR, false /*nothrow*/);
+}
+CXX_OPERATOR_ATTRIBUTE
+void *operator new(size_t size, std::nothrow_t const &) {
+ OPERATOR_NEW_BODY(FROM_NEW, true /*nothrow*/);
+}
+CXX_OPERATOR_ATTRIBUTE
+void *operator new[](size_t size, std::nothrow_t const &) {
+ OPERATOR_NEW_BODY(FROM_NEW_BR, true /*nothrow*/);
+}
+CXX_OPERATOR_ATTRIBUTE
+void *operator new(size_t size, std::align_val_t align) {
+ OPERATOR_NEW_BODY_ALIGN(FROM_NEW, false /*nothrow*/);
+}
+CXX_OPERATOR_ATTRIBUTE
+void *operator new[](size_t size, std::align_val_t align) {
+ OPERATOR_NEW_BODY_ALIGN(FROM_NEW_BR, false /*nothrow*/);
+}
+CXX_OPERATOR_ATTRIBUTE
+void *operator new(size_t size, std::align_val_t align,
+ std::nothrow_t const &) {
+ OPERATOR_NEW_BODY_ALIGN(FROM_NEW, true /*nothrow*/);
+}
+CXX_OPERATOR_ATTRIBUTE
+void *operator new[](size_t size, std::align_val_t align,
+ std::nothrow_t const &) {
+ OPERATOR_NEW_BODY_ALIGN(FROM_NEW_BR, true /*nothrow*/);
+}
+
+#define OPERATOR_DELETE_BODY(type) \
+ GET_STACK_TRACE_FREE; \
+ memprof_delete(ptr, 0, 0, &stack, type);
+
+#define OPERATOR_DELETE_BODY_SIZE(type) \
+ GET_STACK_TRACE_FREE; \
+ memprof_delete(ptr, size, 0, &stack, type);
+
+#define OPERATOR_DELETE_BODY_ALIGN(type) \
+ GET_STACK_TRACE_FREE; \
+ memprof_delete(ptr, 0, static_cast<uptr>(align), &stack, type);
+
+#define OPERATOR_DELETE_BODY_SIZE_ALIGN(type) \
+ GET_STACK_TRACE_FREE; \
+ memprof_delete(ptr, size, static_cast<uptr>(align), &stack, type);
+
+CXX_OPERATOR_ATTRIBUTE
+void operator delete(void *ptr)NOEXCEPT { OPERATOR_DELETE_BODY(FROM_NEW); }
+CXX_OPERATOR_ATTRIBUTE
+void operator delete[](void *ptr) NOEXCEPT {
+ OPERATOR_DELETE_BODY(FROM_NEW_BR);
+}
+CXX_OPERATOR_ATTRIBUTE
+void operator delete(void *ptr, std::nothrow_t const &) {
+ OPERATOR_DELETE_BODY(FROM_NEW);
+}
+CXX_OPERATOR_ATTRIBUTE
+void operator delete[](void *ptr, std::nothrow_t const &) {
+ OPERATOR_DELETE_BODY(FROM_NEW_BR);
+}
+CXX_OPERATOR_ATTRIBUTE
+void operator delete(void *ptr, size_t size)NOEXCEPT {
+ OPERATOR_DELETE_BODY_SIZE(FROM_NEW);
+}
+CXX_OPERATOR_ATTRIBUTE
+void operator delete[](void *ptr, size_t size) NOEXCEPT {
+ OPERATOR_DELETE_BODY_SIZE(FROM_NEW_BR);
+}
+CXX_OPERATOR_ATTRIBUTE
+void operator delete(void *ptr, std::align_val_t align)NOEXCEPT {
+ OPERATOR_DELETE_BODY_ALIGN(FROM_NEW);
+}
+CXX_OPERATOR_ATTRIBUTE
+void operator delete[](void *ptr, std::align_val_t align) NOEXCEPT {
+ OPERATOR_DELETE_BODY_ALIGN(FROM_NEW_BR);
+}
+CXX_OPERATOR_ATTRIBUTE
+void operator delete(void *ptr, std::align_val_t align,
+ std::nothrow_t const &) {
+ OPERATOR_DELETE_BODY_ALIGN(FROM_NEW);
+}
+CXX_OPERATOR_ATTRIBUTE
+void operator delete[](void *ptr, std::align_val_t align,
+ std::nothrow_t const &) {
+ OPERATOR_DELETE_BODY_ALIGN(FROM_NEW_BR);
+}
+CXX_OPERATOR_ATTRIBUTE
+void operator delete(void *ptr, size_t size, std::align_val_t align)NOEXCEPT {
+ OPERATOR_DELETE_BODY_SIZE_ALIGN(FROM_NEW);
+}
+CXX_OPERATOR_ATTRIBUTE
+void operator delete[](void *ptr, size_t size,
+ std::align_val_t align) NOEXCEPT {
+ OPERATOR_DELETE_BODY_SIZE_ALIGN(FROM_NEW_BR);
+}