Brian Carlstrom | 4a289ed | 2011-08-16 17:17:49 -0700 | [diff] [blame^] | 1 | // Copyright 2011 Google Inc. All Rights Reserved. |
| 2 | |
| 3 | #ifndef ART_SRC_IMAGE_H_ |
| 4 | #define ART_SRC_IMAGE_H_ |
| 5 | |
| 6 | #include <string.h> |
| 7 | |
| 8 | #include "globals.h" |
| 9 | |
| 10 | namespace art { |
| 11 | |
| 12 | // header of image files written by ImageWriter, read and validated by Space. |
| 13 | class ImageHeader { |
| 14 | public: |
| 15 | ImageHeader() {} |
| 16 | |
| 17 | ImageHeader(uint32_t base_addr) : base_addr_(base_addr) { |
| 18 | memcpy(magic_, kImageMagic, sizeof(kImageMagic)); |
| 19 | memcpy(version_, kImageVersion, sizeof(kImageVersion)); |
| 20 | } |
| 21 | |
| 22 | bool IsValid() { |
| 23 | if (memcmp(magic_, kImageMagic, sizeof(kImageMagic) != 0)) { |
| 24 | return false; |
| 25 | } |
| 26 | if (memcmp(version_, kImageVersion, sizeof(kImageVersion) != 0)) { |
| 27 | return false; |
| 28 | } |
| 29 | return true; |
| 30 | } |
| 31 | |
| 32 | byte* GetBaseAddr() const { |
| 33 | return reinterpret_cast<byte*>(base_addr_); |
| 34 | } |
| 35 | |
| 36 | private: |
| 37 | static const byte kImageMagic[4]; |
| 38 | static const byte kImageVersion[4]; |
| 39 | |
| 40 | byte magic_[4]; |
| 41 | byte version_[4]; |
| 42 | uint32_t base_addr_; |
| 43 | }; |
| 44 | |
| 45 | } // namespace art |
| 46 | |
| 47 | #endif // ART_SRC_IMAGE_H_ |