blob: 94824d799c08e35dad41922b010826a3cf03da23 [file] [log] [blame]
// Copyright 2011 Google Inc. All Rights Reserved.
#ifndef ART_SRC_IMAGE_H_
#define ART_SRC_IMAGE_H_
#include <string.h>
#include "globals.h"
#include "object.h"
namespace art {
// header of image files written by ImageWriter, read and validated by Space.
class ImageHeader {
public:
ImageHeader() {}
ImageHeader(uint32_t base_addr, uint32_t intern_addr)
: base_addr_(base_addr), intern_addr_(intern_addr) {
memcpy(magic_, kImageMagic, sizeof(kImageMagic));
memcpy(version_, kImageVersion, sizeof(kImageVersion));
}
bool IsValid() {
if (memcmp(magic_, kImageMagic, sizeof(kImageMagic) != 0)) {
return false;
}
if (memcmp(version_, kImageVersion, sizeof(kImageVersion) != 0)) {
return false;
}
return true;
}
byte* GetBaseAddr() const {
return reinterpret_cast<byte*>(base_addr_);
}
ObjectArray<Object>* GetInternedArray() const {
return reinterpret_cast<ObjectArray<Object>*>(intern_addr_);
}
private:
static const byte kImageMagic[4];
static const byte kImageVersion[4];
byte magic_[4];
byte version_[4];
// required base address for mapping the image.
uint32_t base_addr_;
// absolute address of an Object[] of Strings to InternTable::RegisterStrong.
uint32_t intern_addr_;
};
} // namespace art
#endif // ART_SRC_IMAGE_H_