1 //===-- scudo_new_delete.cpp ------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 /// Interceptors for operators new and delete.
12 //===----------------------------------------------------------------------===//
14 #include "scudo_allocator.h"
16 #include "interception/interception.h"
20 using namespace __scudo;
22 #define CXX_OPERATOR_ATTRIBUTE INTERCEPTOR_ATTRIBUTE
24 // Fake std::nothrow_t to avoid including <new>.
29 CXX_OPERATOR_ATTRIBUTE
30 void *operator new(size_t size) {
31 return scudoMalloc(size, FromNew);
33 CXX_OPERATOR_ATTRIBUTE
34 void *operator new[](size_t size) {
35 return scudoMalloc(size, FromNewArray);
37 CXX_OPERATOR_ATTRIBUTE
38 void *operator new(size_t size, std::nothrow_t const&) {
39 return scudoMalloc(size, FromNew);
41 CXX_OPERATOR_ATTRIBUTE
42 void *operator new[](size_t size, std::nothrow_t const&) {
43 return scudoMalloc(size, FromNewArray);
46 CXX_OPERATOR_ATTRIBUTE
47 void operator delete(void *ptr) NOEXCEPT {
48 return scudoFree(ptr, FromNew);
50 CXX_OPERATOR_ATTRIBUTE
51 void operator delete[](void *ptr) NOEXCEPT {
52 return scudoFree(ptr, FromNewArray);
54 CXX_OPERATOR_ATTRIBUTE
55 void operator delete(void *ptr, std::nothrow_t const&) NOEXCEPT {
56 return scudoFree(ptr, FromNew);
58 CXX_OPERATOR_ATTRIBUTE
59 void operator delete[](void *ptr, std::nothrow_t const&) NOEXCEPT {
60 return scudoFree(ptr, FromNewArray);
62 CXX_OPERATOR_ATTRIBUTE
63 void operator delete(void *ptr, size_t size) NOEXCEPT {
64 scudoSizedFree(ptr, size, FromNew);
66 CXX_OPERATOR_ATTRIBUTE
67 void operator delete[](void *ptr, size_t size) NOEXCEPT {
68 scudoSizedFree(ptr, size, FromNewArray);