1 //===-- scudo_new_delete.cpp ------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// 10 /// Interceptors for operators new and delete. 11 /// 12 //===----------------------------------------------------------------------===// 13 14 #include "scudo_allocator.h" 15 16 #include "interception/interception.h" 17 18 #include <cstddef> 19 20 using namespace __scudo; 21 22 #define CXX_OPERATOR_ATTRIBUTE INTERCEPTOR_ATTRIBUTE 23 24 // Fake std::nothrow_t to avoid including <new>. 25 namespace std { 26 struct nothrow_t {}; 27 } // namespace std 28 29 CXX_OPERATOR_ATTRIBUTE 30 void *operator new(size_t size) { 31 return scudoMalloc(size, FromNew); 32 } 33 CXX_OPERATOR_ATTRIBUTE 34 void *operator new[](size_t size) { 35 return scudoMalloc(size, FromNewArray); 36 } 37 CXX_OPERATOR_ATTRIBUTE 38 void *operator new(size_t size, std::nothrow_t const&) { 39 return scudoMalloc(size, FromNew); 40 } 41 CXX_OPERATOR_ATTRIBUTE 42 void *operator new[](size_t size, std::nothrow_t const&) { 43 return scudoMalloc(size, FromNewArray); 44 } 45 46 CXX_OPERATOR_ATTRIBUTE 47 void operator delete(void *ptr) NOEXCEPT { 48 return scudoFree(ptr, FromNew); 49 } 50 CXX_OPERATOR_ATTRIBUTE 51 void operator delete[](void *ptr) NOEXCEPT { 52 return scudoFree(ptr, FromNewArray); 53 } 54 CXX_OPERATOR_ATTRIBUTE 55 void operator delete(void *ptr, std::nothrow_t const&) NOEXCEPT { 56 return scudoFree(ptr, FromNew); 57 } 58 CXX_OPERATOR_ATTRIBUTE 59 void operator delete[](void *ptr, std::nothrow_t const&) NOEXCEPT { 60 return scudoFree(ptr, FromNewArray); 61 } 62 CXX_OPERATOR_ATTRIBUTE 63 void operator delete(void *ptr, size_t size) NOEXCEPT { 64 scudoSizedFree(ptr, size, FromNew); 65 } 66 CXX_OPERATOR_ATTRIBUTE 67 void operator delete[](void *ptr, size_t size) NOEXCEPT { 68 scudoSizedFree(ptr, size, FromNewArray); 69 } 70
