oat_file.h revision ba150c37d582eeeb8c11ba5245edc281cf31793c
12faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes/* 22faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Copyright (C) 2011 The Android Open Source Project 32faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 42faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 52faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * you may not use this file except in compliance with the License. 62faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * You may obtain a copy of the License at 72faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 82faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 92faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 102faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Unless required by applicable law or agreed to in writing, software 112faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 122faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * See the License for the specific language governing permissions and 142faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * limitations under the License. 152faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes */ 16e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 17fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#ifndef ART_RUNTIME_OAT_FILE_H_ 18fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#define ART_RUNTIME_OAT_FILE_H_ 19e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 20700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom#include <string> 21e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom#include <vector> 22e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 232dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "dex_file.h" 242dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "invoke_type.h" 252dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mem_map.h" 26ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method.h" 272dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "oat.h" 28700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom#include "os.h" 29e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 30e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstromnamespace art { 31e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 32ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstromclass BitVector; 33700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstromclass ElfFile; 34700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstromclass MemMap; 35700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstromclass OatMethodOffsets; 3633e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogersclass OatHeader; 37700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 38e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstromclass OatFile { 39e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom public: 4030e2ea4a701d53f28431041af68dc0669e60c569Brian Carlstrom // Returns an .odex file name next adjacent to the dex location. 4130e2ea4a701d53f28431041af68dc0669e60c569Brian Carlstrom // For example, for "/foo/bar/baz.jar", return "/foo/bar/baz.odex". 4230e2ea4a701d53f28431041af68dc0669e60c569Brian Carlstrom static std::string DexFilenameToOdexFilename(const std::string& location); 43b7bbba49d88eae58223d9878da4069bf6d7140bfBrian Carlstrom 44e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom // Open an oat file. Returns NULL on failure. Requested base can 45e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom // optionally be used to request where the file should be loaded. 46e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom static OatFile* Open(const std::string& filename, 47a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom const std::string& location, 48f1d3455064792ac1c486a4a9c24279a37b4af473Brian Carlstrom byte* requested_base, 498d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers bool executable, 508d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers std::string* error_msg); 51e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 52700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // Open an oat file from an already opened File. 53265091e581c9f643b37e7966890911f09e223269Brian Carlstrom // Does not use dlopen underneath so cannot be used for runtime use 54265091e581c9f643b37e7966890911f09e223269Brian Carlstrom // where relocations may be required. Currently used from 55265091e581c9f643b37e7966890911f09e223269Brian Carlstrom // ImageWriter which wants to open a writable version from an existing 56265091e581c9f643b37e7966890911f09e223269Brian Carlstrom // file descriptor for patching. 578d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers static OatFile* OpenWritable(File* file, const std::string& location, std::string* error_msg); 58700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 59700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // Open an oat file backed by a std::vector with the given location. 60265091e581c9f643b37e7966890911f09e223269Brian Carlstrom static OatFile* OpenMemory(std::vector<uint8_t>& oat_contents, 618d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers const std::string& location, 628d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers std::string* error_msg); 635b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom 64e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom ~OatFile(); 65e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 66e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom const std::string& GetLocation() const { 67e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom return location_; 68e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom } 69e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 70e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom const OatHeader& GetOatHeader() const; 71e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 72e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom class OatDexFile; 73e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 743320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom class OatMethod { 753320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom public: 76ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom void LinkMethod(mirror::ArtMethod* method) const; 77ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 78ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom uint32_t GetCodeOffset() const { 79ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom return code_offset_; 80ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 81ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom size_t GetFrameSizeInBytes() const { 82ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom return frame_size_in_bytes_; 83ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 84ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom uint32_t GetCoreSpillMask() const { 85ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom return core_spill_mask_; 86ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 87ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom uint32_t GetFpSpillMask() const { 88ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom return fp_spill_mask_; 89ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 90ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom uint32_t GetMappingTableOffset() const { 91ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom return mapping_table_offset_; 92ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 93ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom uint32_t GetVmapTableOffset() const { 94ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom return vmap_table_offset_; 95ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 960c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t GetNativeGcMapOffset() const { 970c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers return native_gc_map_offset_; 98e7d856b911222aa000ca2be0f8f63f5b292141c3Brian Carlstrom } 99ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 1000c717dd1c56bd29cf860d0feda8e629dab2cadb3Logan Chien const void* GetCode() const; 1010c717dd1c56bd29cf860d0feda8e629dab2cadb3Logan Chien uint32_t GetCodeSize() const; 1020c717dd1c56bd29cf860d0feda8e629dab2cadb3Logan Chien 1031809a72a66d245ae598582d658b93a24ac3bf01eIan Rogers const uint8_t* GetMappingTable() const { 1041809a72a66d245ae598582d658b93a24ac3bf01eIan Rogers return GetOatPointer<const uint8_t*>(mapping_table_offset_); 105ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 1061809a72a66d245ae598582d658b93a24ac3bf01eIan Rogers const uint8_t* GetVmapTable() const { 1071809a72a66d245ae598582d658b93a24ac3bf01eIan Rogers return GetOatPointer<const uint8_t*>(vmap_table_offset_); 108ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 1090c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers const uint8_t* GetNativeGcMap() const { 1100c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers return GetOatPointer<const uint8_t*>(native_gc_map_offset_); 111e7d856b911222aa000ca2be0f8f63f5b292141c3Brian Carlstrom } 1120c717dd1c56bd29cf860d0feda8e629dab2cadb3Logan Chien 113ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom ~OatMethod(); 114ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 115ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom // Create an OatMethod with offsets relative to the given base address 116ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom OatMethod(const byte* base, 117ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const uint32_t code_offset, 1183320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom const size_t frame_size_in_bytes, 1193320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom const uint32_t core_spill_mask, 1203320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom const uint32_t fp_spill_mask, 121ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const uint32_t mapping_table_offset, 122ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const uint32_t vmap_table_offset, 1236a47b9dc850b903aabefcfab4adb132cb68bba2eBrian Carlstrom const uint32_t gc_map_offset); 1243320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 125ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom private: 126ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom template<class T> 127ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom T GetOatPointer(uint32_t offset) const { 128ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom if (offset == 0) { 129ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom return NULL; 130ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 13130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers return reinterpret_cast<T>(begin_ + offset); 132ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 1333320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 13430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers const byte* begin_; 1353320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 136ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom uint32_t code_offset_; 1373320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom size_t frame_size_in_bytes_; 1383320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom uint32_t core_spill_mask_; 1393320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom uint32_t fp_spill_mask_; 140ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom uint32_t mapping_table_offset_; 141ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom uint32_t vmap_table_offset_; 1420c7abda482f53db3d153c073d1c7a145f84e0626Ian Rogers uint32_t native_gc_map_offset_; 143ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 144ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom friend class OatClass; 1453320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom }; 1463320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 147e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom class OatClass { 148e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom public: 149ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom mirror::Class::Status GetStatus() const { 150ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom return status_; 151ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } 152ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom 153ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom OatClassType GetType() const { 154ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom return type_; 155ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } 1560755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom 1573320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom // get the OatMethod entry based on its index into the class 158e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom // defintion. direct methods come first, followed by virtual 159e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom // methods. note that runtime created methods such as miranda 160e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom // methods are not included. 161aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const OatMethod GetOatMethod(uint32_t method_index) const; 162e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom ~OatClass(); 163e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 164e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom private: 1650755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom OatClass(const OatFile* oat_file, 1662dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class::Status status, 167ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom OatClassType type, 168ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom uint32_t bitmap_size, 169ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom const uint32_t* bitmap_pointer, 1700755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom const OatMethodOffsets* methods_pointer); 1713320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 172e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom const OatFile* oat_file_; 173ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom 1742dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers const mirror::Class::Status status_; 175ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom COMPILE_ASSERT(mirror::Class::Status::kStatusMax < (2 ^ 16), class_status_wont_fit_in_16bits); 176ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom 177ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom OatClassType type_; 178ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom COMPILE_ASSERT(OatClassType::kOatClassMax < (2 ^ 16), oat_class_type_wont_fit_in_16bits); 179ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom 180ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom const BitVector* bitmap_; 181ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom 1823320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom const OatMethodOffsets* methods_pointer_; 183e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 184e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom friend class OatDexFile; 185e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom }; 186e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 187e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom class OatDexFile { 188e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom public: 18956d947fbc9bc2992e2f93112fafb73e50d2aaa7aBrian Carlstrom // Opens the DexFile referred to by this OatDexFile from within the containing OatFile. 1908d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers const DexFile* OpenDexFile(std::string* error_msg) const; 19156d947fbc9bc2992e2f93112fafb73e50d2aaa7aBrian Carlstrom 19256d947fbc9bc2992e2f93112fafb73e50d2aaa7aBrian Carlstrom // Returns the size of the DexFile refered to by this OatDexFile. 19305f28c6e00ecdb1da834acc8c29b4a7eba86d692Ian Rogers size_t FileSize() const; 194aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 19556d947fbc9bc2992e2f93112fafb73e50d2aaa7aBrian Carlstrom // Returns original path of DexFile that was the source of this OatDexFile. 196aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const std::string& GetDexFileLocation() const { 197aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom return dex_file_location_; 198aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 19958ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom 20056d947fbc9bc2992e2f93112fafb73e50d2aaa7aBrian Carlstrom // Returns checksum of original DexFile that was the source of this OatDexFile; 2015b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom uint32_t GetDexFileLocationChecksum() const { 2025b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom return dex_file_location_checksum_; 20358ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom } 20458ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom 20556d947fbc9bc2992e2f93112fafb73e50d2aaa7aBrian Carlstrom // Returns the OatClass for the class specified by the given DexFile class_def_index. 206ee39a10e45a6a0880e8b829525c40d6055818560Ian Rogers const OatClass* GetOatClass(uint16_t class_def_index) const; 20756d947fbc9bc2992e2f93112fafb73e50d2aaa7aBrian Carlstrom 208e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom ~OatDexFile(); 209a21039c3ae2b20e44ceb2735251c04d0aac89afdElliott Hughes 210e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom private: 211e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom OatDexFile(const OatFile* oat_file, 212aa6a588eb83288481389aa08b03105346a87e706Elliott Hughes const std::string& dex_file_location, 213e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom uint32_t dex_file_checksum, 214700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom const byte* dex_file_pointer, 2150755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom const uint32_t* oat_class_offsets_pointer); 216e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 217e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom const OatFile* oat_file_; 218e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom std::string dex_file_location_; 2195b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom uint32_t dex_file_location_checksum_; 22089521898b56f2ebc3fb68acfb6bc6dde9b6f5c38Brian Carlstrom const byte* dex_file_pointer_; 2210755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom const uint32_t* oat_class_offsets_pointer_; 222e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 223e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom friend class OatFile; 224e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom DISALLOW_COPY_AND_ASSIGN(OatDexFile); 225e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom }; 226e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 2278d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers const OatDexFile* GetOatDexFile(const char* dex_location, 228756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom const uint32_t* const dex_location_checksum, 2298d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers bool exception_if_not_found = true) const; 2308d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers 231aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom std::vector<const OatDexFile*> GetOatDexFiles() const; 232e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 23330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers size_t Size() const { 23430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers return End() - Begin(); 235e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom } 236e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 237e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom private: 238700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom static void CheckLocation(const std::string& location); 239700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 240700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom static OatFile* OpenDlopen(const std::string& elf_filename, 241700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom const std::string& location, 2428d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers byte* requested_base, 2438d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers std::string* error_msg); 244700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 245700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom static OatFile* OpenElfFile(File* file, 246700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom const std::string& location, 247700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom byte* requested_base, 248f1d3455064792ac1c486a4a9c24279a37b4af473Brian Carlstrom bool writable, 2498d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers bool executable, 2508d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers std::string* error_msg); 251700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 252a51a3dd5603daf3d368b7735067e1d9eb54c4c40Elliott Hughes explicit OatFile(const std::string& filename); 2538d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers bool Dlopen(const std::string& elf_filename, byte* requested_base, std::string* error_msg); 2548d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers bool ElfFileOpen(File* file, byte* requested_base, bool writable, bool executable, 2558d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers std::string* error_msg); 2568d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers bool Setup(std::string* error_msg); 257e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 25830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers const byte* Begin() const; 25930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers const byte* End() const; 260e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 261e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom // The oat file name. 262e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom // 263e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom // The image will embed this to link its associated oat file. 264e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom const std::string location_; 265e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 266700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // Pointer to OatHeader. 267700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom const byte* begin_; 268700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 269700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // Pointer to end of oat region for bounds checking. 270700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom const byte* end_; 271700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 272700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // Backing memory map for oat file during when opened by ElfWriter during initial compilation. 273e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom UniquePtr<MemMap> mem_map_; 274e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 275700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // Backing memory map for oat file during cross compilation. 276700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom UniquePtr<ElfFile> elf_file_; 277700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 278700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // dlopen handle during runtime. 279700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom void* dlopen_handle_; 280700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 281a0e180632411f7fe0edf454e571c42209ee7b540Elliott Hughes typedef SafeMap<std::string, const OatDexFile*> Table; 282e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom Table oat_dex_files_; 283e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 284e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom friend class OatClass; 285e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom friend class OatDexFile; 286e3c845cdb5884e770287a5c0c65c8bb64733c388Elliott Hughes friend class OatDumper; // For GetBase and GetLimit 287e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom DISALLOW_COPY_AND_ASSIGN(OatFile); 288e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom}; 289e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 290e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom} // namespace art 291e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 292fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#endif // ART_RUNTIME_OAT_FILE_H_ 293