| //===-- asan_interceptors.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 AddressSanitizer, an address sanity checker. |
| // |
| // Interceptors for operators new and delete. |
| //===----------------------------------------------------------------------===// |
| |
| #include "asan_allocator.h" |
| #include "asan_internal.h" |
| #include "asan_stack.h" |
| |
| #include <stddef.h> |
| #include <new> |
| |
| namespace __asan { |
| // This function is a no-op. We need it to make sure that object file |
| // with our replacements will actually be loaded from static ASan |
| // run-time library at link-time. |
| void ReplaceOperatorsNewAndDelete() { } |
| } |
| |
| using namespace __asan; // NOLINT |
| |
| #define OPERATOR_NEW_BODY \ |
| GET_STACK_TRACE_HERE_FOR_MALLOC;\ |
| return asan_memalign(0, size, &stack); |
| |
| #if ASAN_ANDROID |
| void *operator new(size_t size) { OPERATOR_NEW_BODY; } |
| void *operator new[](size_t size) { OPERATOR_NEW_BODY; } |
| #else |
| void *operator new(size_t size) throw(std::bad_alloc) { OPERATOR_NEW_BODY; } |
| void *operator new[](size_t size) throw(std::bad_alloc) { OPERATOR_NEW_BODY; } |
| void *operator new(size_t size, std::nothrow_t const&) throw() |
| { OPERATOR_NEW_BODY; } |
| void *operator new[](size_t size, std::nothrow_t const&) throw() |
| { OPERATOR_NEW_BODY; } |
| #endif |
| |
| #define OPERATOR_DELETE_BODY \ |
| GET_STACK_TRACE_HERE_FOR_FREE(ptr);\ |
| asan_free(ptr, &stack); |
| |
| void operator delete(void *ptr) throw() { OPERATOR_DELETE_BODY; } |
| void operator delete[](void *ptr) throw() { OPERATOR_DELETE_BODY; } |
| void operator delete(void *ptr, std::nothrow_t const&) throw() |
| { OPERATOR_DELETE_BODY; } |
| void operator delete[](void *ptr, std::nothrow_t const&) throw() |
| { OPERATOR_DELETE_BODY; } |