| // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef RUNTIME_PLATFORM_ALLOCATION_H_ |
| #define RUNTIME_PLATFORM_ALLOCATION_H_ |
| |
| #include "platform/address_sanitizer.h" |
| #include "platform/assert.h" |
| |
| namespace dart { |
| |
| void* calloc(size_t n, size_t size); |
| void* malloc(size_t size); |
| void* realloc(void* ptr, size_t size); |
| |
| // Stack allocated objects subclass from this base class. Objects of this type |
| // cannot be allocated on either the C or object heaps. Destructors for objects |
| // of this type will not be run unless the stack is unwound through normal |
| // program control flow. |
| class ValueObject { |
| public: |
| ValueObject() {} |
| ~ValueObject() {} |
| |
| private: |
| DISALLOW_ALLOCATION(); |
| DISALLOW_COPY_AND_ASSIGN(ValueObject); |
| }; |
| |
| // Static allocated classes only contain static members and can never |
| // be instantiated in the heap or on the stack. |
| class AllStatic { |
| private: |
| DISALLOW_ALLOCATION(); |
| DISALLOW_IMPLICIT_CONSTRUCTORS(AllStatic); |
| }; |
| |
| class MallocAllocated { |
| public: |
| MallocAllocated() {} |
| |
| // Intercept operator new to produce clearer error messages when we run out |
| // of memory. Don't do this when running under ASAN so it can continue to |
| // check malloc/new/new[] are paired with free/delete/delete[] respectively. |
| #if !defined(USING_ADDRESS_SANITIZER) |
| void* operator new(size_t size) { return dart::malloc(size); } |
| |
| void* operator new[](size_t size) { return dart::malloc(size); } |
| |
| void operator delete(void* pointer) { ::free(pointer); } |
| |
| void operator delete[](void* pointer) { ::free(pointer); } |
| #endif |
| }; |
| |
| } // namespace dart |
| |
| #endif // RUNTIME_PLATFORM_ALLOCATION_H_ |