1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "memory_region.h"
18
19#include <stdint.h>
20#include <string.h>
21
22#include "base/logging.h"
23#include "globals.h"
24
25namespace art {
26
27void MemoryRegion::CopyFrom(size_t offset, const MemoryRegion& from) const {
28  CHECK(from.pointer() != NULL);
29  CHECK_GT(from.size(), 0U);
30  CHECK_GE(this->size(), from.size());
31  CHECK_LE(offset, this->size() - from.size());
32  memmove(reinterpret_cast<void*>(start() + offset),
33          from.pointer(), from.size());
34}
35
36}  // namespace art
37