| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "image.h" |
| |
| #include "mirror/object_array.h" |
| #include "mirror/object_array-inl.h" |
| #include "mirror/object-inl.h" |
| #include "utils.h" |
| |
| namespace art { |
| |
| const byte ImageHeader::kImageMagic[] = { 'a', 'r', 't', '\n' }; |
| const byte ImageHeader::kImageVersion[] = { '0', '0', '6', '\0' }; |
| |
| ImageHeader::ImageHeader(uint32_t image_begin, |
| uint32_t image_size, |
| uint32_t image_bitmap_offset, |
| uint32_t image_bitmap_size, |
| uint32_t image_roots, |
| uint32_t oat_checksum, |
| uint32_t oat_file_begin, |
| uint32_t oat_data_begin, |
| uint32_t oat_data_end, |
| uint32_t oat_file_end) |
| : image_begin_(image_begin), |
| image_size_(image_size), |
| image_bitmap_offset_(image_bitmap_offset), |
| image_bitmap_size_(image_bitmap_size), |
| oat_checksum_(oat_checksum), |
| oat_file_begin_(oat_file_begin), |
| oat_data_begin_(oat_data_begin), |
| oat_data_end_(oat_data_end), |
| oat_file_end_(oat_file_end), |
| image_roots_(image_roots) { |
| CHECK_EQ(image_begin, RoundUp(image_begin, kPageSize)); |
| CHECK_EQ(oat_file_begin, RoundUp(oat_file_begin, kPageSize)); |
| CHECK_EQ(oat_data_begin, RoundUp(oat_data_begin, kPageSize)); |
| CHECK_LT(image_begin, image_roots); |
| CHECK_LT(image_roots, oat_file_begin); |
| CHECK_LE(oat_file_begin, oat_data_begin); |
| CHECK_LT(oat_data_begin, oat_data_end); |
| CHECK_LE(oat_data_end, oat_file_end); |
| memcpy(magic_, kImageMagic, sizeof(kImageMagic)); |
| memcpy(version_, kImageVersion, sizeof(kImageVersion)); |
| } |
| |
| bool ImageHeader::IsValid() const { |
| if (memcmp(magic_, kImageMagic, sizeof(kImageMagic)) != 0) { |
| return false; |
| } |
| if (memcmp(version_, kImageVersion, sizeof(kImageVersion)) != 0) { |
| return false; |
| } |
| return true; |
| } |
| |
| const char* ImageHeader::GetMagic() const { |
| CHECK(IsValid()); |
| return reinterpret_cast<const char*>(magic_); |
| } |
| |
| mirror::Object* ImageHeader::GetImageRoot(ImageRoot image_root) const { |
| return GetImageRoots()->Get(image_root); |
| } |
| |
| mirror::ObjectArray<mirror::Object>* ImageHeader::GetImageRoots() const { |
| return reinterpret_cast<mirror::ObjectArray<mirror::Object>*>(image_roots_); |
| } |
| |
| } // namespace art |