blob: 0e22719eb85d95835fcb7da41be58bc9ad12e592 [file] [log] [blame]
// Copyright 2011 Google Inc. All Rights Reserved.
#include <vector>
#include "constants.h"
#include "dex_file.h"
#include "mem_map.h"
#include "oat.h"
#include "object.h"
namespace art {
class OatFile {
// Returns an OatFile name based on a DexFile location
static std::string DexFilenameToOatFilename(const std::string& location);
// Open an oat file. Returns NULL on failure. Requested base can
// optionally be used to request where the file should be loaded.
static OatFile* Open(const std::string& filename,
const std::string& strip_location_prefix,
byte* requested_base);
const std::string& GetLocation() const {
return location_;
const OatHeader& GetOatHeader() const;
class OatDexFile;
class OatMethod {
// Link Method for execution using the contents of this OatMethod
void LinkMethodPointers(Method* method) const;
// Link Method for image writing using the contents of this OatMethod
void LinkMethodOffsets(Method* method) const;
uint32_t GetCodeOffset() const {
return code_offset_;
size_t GetFrameSizeInBytes() const {
return frame_size_in_bytes_;
uint32_t GetCoreSpillMask() const {
return core_spill_mask_;
uint32_t GetFpSpillMask() const {
return fp_spill_mask_;
uint32_t GetMappingTableOffset() const {
return mapping_table_offset_;
uint32_t GetVmapTableOffset() const {
return vmap_table_offset_;
uint32_t GetInvokeStubOffset() const {
return invoke_stub_offset_;
const void* GetCode() const {
return GetOatPointer<const void*>(code_offset_);
const uint32_t* GetMappingTable() const {
return GetOatPointer<const uint32_t*>(mapping_table_offset_);
const uint16_t* GetVmapTable() const {
return GetOatPointer<const uint16_t*>(vmap_table_offset_);
const Method::InvokeStub* GetInvokeStub() const {
return GetOatPointer<const Method::InvokeStub*>(invoke_stub_offset_);
// Create an OatMethod with offsets relative to the given base address
OatMethod(const byte* base,
const uint32_t code_offset,
const size_t frame_size_in_bytes,
const uint32_t core_spill_mask,
const uint32_t fp_spill_mask,
const uint32_t mapping_table_offset,
const uint32_t vmap_table_offset,
const uint32_t invoke_stub_offset);
template<class T>
T GetOatPointer(uint32_t offset) const {
if (offset == 0) {
return NULL;
return reinterpret_cast<T>(base_ + offset);
const byte* base_;
uint32_t code_offset_;
size_t frame_size_in_bytes_;
uint32_t core_spill_mask_;
uint32_t fp_spill_mask_;
uint32_t mapping_table_offset_;
uint32_t vmap_table_offset_;
uint32_t invoke_stub_offset_;
friend class OatClass;
class OatClass {
// get the OatMethod entry based on its index into the class
// defintion. direct methods come first, followed by virtual
// methods. note that runtime created methods such as miranda
// methods are not included.
const OatMethod GetOatMethod(uint32_t method_index) const;
OatClass(const OatFile* oat_file, const OatMethodOffsets* methods_pointer);
const OatFile* oat_file_;
const OatMethodOffsets* methods_pointer_;
friend class OatDexFile;
class OatDexFile {
const OatClass* GetOatClass(uint32_t class_def_index) const;
const std::string& GetDexFileLocation() const {
return dex_file_location_;
uint32_t GetDexFileChecksum() const {
return dex_file_checksum_;
OatDexFile(const OatFile* oat_file,
std::string dex_file_location,
uint32_t dex_file_checksum,
uint32_t* classes_pointer);
const OatFile* oat_file_;
std::string dex_file_location_;
uint32_t dex_file_checksum_;
const uint32_t* classes_pointer_;
friend class OatFile;
const OatDexFile* GetOatDexFile(const std::string& dex_file_location) const;
std::vector<const OatDexFile*> GetOatDexFiles() const;
size_t GetSize() const {
return GetLimit() - GetBase();
explicit OatFile(const std::string& filename);
bool Read(const std::string& filename, byte* requested_base);
const byte* GetBase() const;
const byte* GetLimit() const;
// The oat file name.
// The image will embed this to link its associated oat file.
const std::string location_;
// backing memory map for oat file
UniquePtr<MemMap> mem_map_;
typedef std::map<std::string, const OatDexFile*> Table;
Table oat_dex_files_;
friend class OatClass;
friend class OatDexFile;
friend class OatDump; // For GetBase and GetLimit
} // namespace art