blob: 26001ac54f295dca61d13e5187216b5b06c753a2 [file] [log] [blame]
// 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_