class_linker.h revision bdb0391258abc54bf77c676e36847d28a783bfe5
10e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro// Copyright 2011 Google Inc. All Rights Reserved. 20e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 30e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#ifndef ART_SRC_CLASS_LINKER_H_ 40e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#define ART_SRC_CLASS_LINKER_H_ 50e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 60e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#include <map> 70e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#include <utility> 80e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#include <vector> 90e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 107e93b50433cde2a44d99212e8040299bde498546Brian Carlstrom#include "dex_file.h" 114a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom#include "heap.h" 12578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom#include "macros.h" 138daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes#include "mutex.h" 14578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom#include "object.h" 157e93b50433cde2a44d99212e8040299bde498546Brian Carlstrom#include "unordered_map.h" 16a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom#include "unordered_set.h" 177e93b50433cde2a44d99212e8040299bde498546Brian Carlstrom 18578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom#include "gtest/gtest.h" 190e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 200e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapironamespace art { 210e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 22cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughesclass ClassLoader; 23cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughesclass InternTable; 24cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes 250e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiroclass ClassLinker { 260e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro public: 27c74255fffb035001304c9a058a2e730a5a1a9604Brian Carlstrom // Initializes the class linker using DexFiles and an optional an image. 28cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes static ClassLinker* Create(const std::vector<const DexFile*>& boot_class_path, 2969b15fb098162f19a4c20e6dccdcead04d9c77f0Brian Carlstrom const std::vector<const DexFile*>& class_path, 30c74255fffb035001304c9a058a2e730a5a1a9604Brian Carlstrom InternTable* intern_table, bool image); 319ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 329ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom ~ClassLinker(); 33565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 340e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro // Finds a class by its descriptor name. 3574eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom // If class_loader is null, searches boot_class_path_. 366cc18456b6d0d1348ad1d64116b7ab78108ff814Brian Carlstrom Class* FindClass(const StringPiece& descriptor, 379ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader); 380e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 39d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes Class* FindPrimitiveClass(char type); 40d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes 416cc18456b6d0d1348ad1d64116b7ab78108ff814Brian Carlstrom Class* FindSystemClass(const StringPiece& descriptor) { 4274eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom return FindClass(descriptor, NULL); 43565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro } 44565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 45e27955ca3ca960928d4dbd6cb79711fce06950b3Elliott Hughes size_t NumLoadedClasses() const; 46e27955ca3ca960928d4dbd6cb79711fce06950b3Elliott Hughes 47b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // Resolve a String with the given index from the DexFile, storing the 489ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in the DexCache. 490cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers String* ResolveString(const DexFile& dex_file, uint32_t string_idx, DexCache* dex_cache); 509ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 51b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // Resolve a Type with the given index from the DexFile, storing the 529ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in the DexCache. The referrer is used to identity the 539ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // target DexCache and ClassLoader to use for resolution. 549ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Class* ResolveType(const DexFile& dex_file, 559ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom uint32_t type_idx, 569ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const Class* referrer) { 579ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom return ResolveType(dex_file, 589ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom type_idx, 599ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom referrer->GetDexCache(), 609ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom referrer->GetClassLoader()); 619ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 629ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 63b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // Resolve a Type with the given index from the DexFile, storing the 640cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // result in the DexCache. The referrer is used to identify the 65b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // target DexCache and ClassLoader to use for resolution. 66b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom Class* ResolveType(uint32_t type_idx, const Method* referrer) { 67b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom Class* declaring_class = referrer->GetDeclaringClass(); 68b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom DexCache* dex_cache = declaring_class->GetDexCache(); 690cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // TODO: we could check for a dex cache hit here 700cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers const ClassLoader* class_loader = declaring_class->GetClassLoader(); 710cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers const DexFile& dex_file = FindDexFile(dex_cache); 720cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers return ResolveType(dex_file, type_idx, dex_cache, class_loader); 730cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers } 740cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 750cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers Class* ResolveType(uint32_t type_idx, const Field* referrer) { 760cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers Class* declaring_class = referrer->GetDeclaringClass(); 770cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 780cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // TODO: we could check for a dex cache hit here 79b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom const ClassLoader* class_loader = declaring_class->GetClassLoader(); 80b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom const DexFile& dex_file = FindDexFile(dex_cache); 81b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom return ResolveType(dex_file, type_idx, dex_cache, class_loader); 82b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom } 83b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom 849ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // Resolve a type with the given ID from the DexFile, storing the 859ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in DexCache. The ClassLoader is used to search for the 869ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // type, since it may be referenced from but not contained within 879ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // the given DexFile. 889ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Class* ResolveType(const DexFile& dex_file, 899ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom uint32_t type_idx, 909ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* dex_cache, 919ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader); 929ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 93b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom static StaticStorageBase* InitializeStaticStorageFromCode(uint32_t type_idx, 94b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom const Method* referrer); 951caa2c205e51dda670207828f25451fb7623cea6Brian Carlstrom 969ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // Resolve a method with a given ID from the DexFile, storing the 979ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in DexCache. The ClassLinker and ClassLoader are used as 989ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // in ResolveType. What is unique is the method type argument which 999ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // is used to determine if this method is a direct, static, or 1009ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // virtual method. 1019ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Method* ResolveMethod(const DexFile& dex_file, 1029ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom uint32_t method_idx, 1039ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* dex_cache, 1049ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader, 10520cfffabdc9e02b2df798bc4e6b6035d14bf4e36Brian Carlstrom bool is_direct); 1069ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 107161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom Method* ResolveMethod(uint32_t method_idx, const Method* referrer, bool is_direct) { 108161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom Class* declaring_class = referrer->GetDeclaringClass(); 109161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom DexCache* dex_cache = declaring_class->GetDexCache(); 110161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom // TODO: we could check for a dex cache hit here 111161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom const ClassLoader* class_loader = declaring_class->GetClassLoader(); 112161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom const DexFile& dex_file = FindDexFile(dex_cache); 113161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom return ResolveMethod(dex_file, method_idx, dex_cache, class_loader, is_direct); 114161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom } 115161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom 116b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom Field* ResolveField(uint32_t field_idx, const Method* referrer) { 117b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom Class* declaring_class = referrer->GetDeclaringClass(); 118b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom DexCache* dex_cache = declaring_class->GetDexCache(); 1190cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // TODO: we could check for a dex cache hit here 120b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom const ClassLoader* class_loader = declaring_class->GetClassLoader(); 121b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom const DexFile& dex_file = FindDexFile(dex_cache); 122b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom return ResolveField(dex_file, field_idx, dex_cache, class_loader, true); 123b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom } 124b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom 125161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom // Resolve a field with a given ID from the DexFile, storing the 1269ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in DexCache. The ClassLinker and ClassLoader are used as 1279ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // in ResolveType. What is unique is the is_static argument which is 1289ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // used to determine if we are resolving a static or non-static 1299ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // field. 1309ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Field* ResolveField(const DexFile& dex_file, 1319ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom uint32_t field_idx, 1329ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* dex_cache, 1339ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader, 1349ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom bool is_static); 1359ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 136f4c21c9f6440c3980c47a297519f758796dbc039Elliott Hughes // Returns true on success, false if there's an exception pending. 137f4c21c9f6440c3980c47a297519f758796dbc039Elliott Hughes bool EnsureInitialized(Class* c); 1380e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 1399ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void RegisterDexFile(const DexFile& dex_file); 1409ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void RegisterDexFile(const DexFile& dex_file, DexCache* dex_cache); 1410e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 1428a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom const std::vector<const DexFile*>& GetBootClassPath() { 1438a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom return boot_class_path_; 1448a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom } 1458a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom 146410c0c876f326e14c176a39ba21fc4dd3f7db8abElliott Hughes void VisitRoots(Heap::RootVisitor* visitor, void* arg) const; 14775cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 148c143c55718342519db5398e41dda31422cf16c79buzbee const DexFile& FindDexFile(const DexCache* dex_cache) const; 1499ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* FindDexCache(const DexFile& dex_file) const; 150c143c55718342519db5398e41dda31422cf16c79buzbee 1514417536522fd2a9d8215d8672331984769c9520bShih-wei Liao template <class T> 1524417536522fd2a9d8215d8672331984769c9520bShih-wei Liao ObjectArray<T>* AllocObjectArray(size_t length) { 1534417536522fd2a9d8215d8672331984769c9520bShih-wei Liao return ObjectArray<T>::Alloc(GetClassRoot(kObjectArrayClass), length); 1544417536522fd2a9d8215d8672331984769c9520bShih-wei Liao } 1554417536522fd2a9d8215d8672331984769c9520bShih-wei Liao 15655df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao ObjectArray<StackTraceElement>* AllocStackTraceElementArray(size_t length); 15755df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 15898eacac683b78e60799323e8c7d59e7214808639jeffhao void VerifyClass(Class* klass); 15998eacac683b78e60799323e8c7d59e7214808639jeffhao 1600e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro private: 161cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes ClassLinker(InternTable*); 16261e019d291583029c01b61b93bea750f2b663c37Carl Shapiro 163a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // Initialize class linker from DexFile instances. 16469b15fb098162f19a4c20e6dccdcead04d9c77f0Brian Carlstrom void Init(const std::vector<const DexFile*>& boot_class_path_, 16569b15fb098162f19a4c20e6dccdcead04d9c77f0Brian Carlstrom const std::vector<const DexFile*>& class_path_); 16661e019d291583029c01b61b93bea750f2b663c37Carl Shapiro 167c74255fffb035001304c9a058a2e730a5a1a9604Brian Carlstrom // Initialize class linker from pre-initialized image. 168c74255fffb035001304c9a058a2e730a5a1a9604Brian Carlstrom void InitFromImage(const std::vector<const DexFile*>& boot_class_path_, 169c74255fffb035001304c9a058a2e730a5a1a9604Brian Carlstrom const std::vector<const DexFile*>& class_path_); 170c74255fffb035001304c9a058a2e730a5a1a9604Brian Carlstrom static void InitFromImageCallback(Object* obj, void *arg); 171c74255fffb035001304c9a058a2e730a5a1a9604Brian Carlstrom struct InitFromImageCallbackState; 172a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 173a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom void FinishInit(); 174a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 175f4c21c9f6440c3980c47a297519f758796dbc039Elliott Hughes bool InitializeClass(Class* klass); 176f4c21c9f6440c3980c47a297519f758796dbc039Elliott Hughes 17775cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // For early bootstrapping by Init 1784873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom Class* AllocClass(Class* java_lang_Class, size_t class_size); 17975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 18075cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // Alloc* convenience functions to avoid needing to pass in Class* 18175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // values that are known to the ClassLinker such as 18275cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // kObjectArrayClass and kJavaLangString etc. 1834873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom Class* AllocClass(size_t class_size); 1849ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* AllocDexCache(const DexFile& dex_file); 18535baaab2a79014f35e225b189f6dbec1b4ba9542Jesse Wilson Field* AllocField(); 186bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers 187bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers // TODO: have no friends, we need this currently to create a special method 188bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers // to describe callee save registers for throwing exceptions 189bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers friend class Thread; 19075cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom Method* AllocMethod(); 191bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers 1929cc262e2ad5cb507c21cc83b8dc954e9354a469cBrian Carlstrom CodeAndDirectMethods* AllocCodeAndDirectMethods(size_t length); 1934b620ffb1b4d0c96a94bb3afe314f35d53990ec6Brian Carlstrom InterfaceEntry* AllocInterfaceEntry(Class* interface); 19475cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 1950cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers Class* CreatePrimitiveClass(const char* descriptor, 1960cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers Class::PrimitiveType type); 197a331b3cc392132c7333d36649a8310f38f4822ccBrian Carlstrom 198578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom Class* CreateArrayClass(const StringPiece& descriptor, 1999ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader); 200578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 2019ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void AppendToBootClassPath(const DexFile& dex_file); 2029ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void AppendToBootClassPath(const DexFile& dex_file, DexCache* dex_cache); 203578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 2045fe594f576225dd7d333835e39c448a71ea9b433Elliott Hughes void ConstructFieldMap(const DexFile& dex_file, const DexFile::ClassDef& dex_class_def, 2055fe594f576225dd7d333835e39c448a71ea9b433Elliott Hughes Class* c, std::map<int, Field*>& field_map); 2065fe594f576225dd7d333835e39c448a71ea9b433Elliott Hughes 2074873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom size_t SizeOfClass(const DexFile& dex_file, 2084873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom const DexFile::ClassDef& dex_class_def); 2094873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom 210f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom void LoadClass(const DexFile& dex_file, 211f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom const DexFile::ClassDef& dex_class_def, 21274eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom Class* klass, 2139ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader); 214565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 215f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom void LoadInterfaces(const DexFile& dex_file, 216f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom const DexFile::ClassDef& dex_class_def, 217578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom Class *klass); 218934486cf07c578b6494417ca5dcbae89cf04b019Brian Carlstrom 219f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom void LoadField(const DexFile& dex_file, 220f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom const DexFile::Field& dex_field, 221578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom Class* klass, 222578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom Field* dst); 223934486cf07c578b6494417ca5dcbae89cf04b019Brian Carlstrom 224f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom void LoadMethod(const DexFile& dex_file, 225f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom const DexFile::Method& dex_method, 226578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom Class* klass, 2271f87008b165d26541d832ff805250afdc89c253dBrian Carlstrom Method* dst); 228934486cf07c578b6494417ca5dcbae89cf04b019Brian Carlstrom 2299ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Class* LookupClass(const StringPiece& descriptor, const ClassLoader* class_loader); 2307e93b50433cde2a44d99212e8040299bde498546Brian Carlstrom 2310e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro // Inserts a class into the class table. Returns true if the class 2320e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro // was inserted. 2339cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom bool InsertClass(const StringPiece& descriptor, Class* klass); 2340e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2350e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool InitializeSuperClass(Class* klass); 2360e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2370e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro void InitializeStaticFields(Class* klass); 2380e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2390e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool ValidateSuperClassDescriptors(const Class* klass); 2400e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2410e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool HasSameDescriptorClasses(const char* descriptor, 2420e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro const Class* klass1, 2430e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro const Class* klass2); 2440e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2450e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool HasSameMethodDescriptorClasses(const Method* descriptor, 2460e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro const Class* klass1, 2470e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro const Class* klass2); 2480e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2490cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers bool LinkClass(Class* klass); 2500e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2510e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool LinkSuperClass(Class* klass); 2520e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 25374eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom bool LoadSuperAndInterfaces(Class* klass, const DexFile& dex_file); 2540e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2550e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool LinkMethods(Class* klass); 2560e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2570e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool LinkVirtualMethods(Class* klass); 2580e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2590e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool LinkInterfaceMethods(Class* klass); 2600e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2617833bd261d78be2c42284031f169a62c9065cc3cJesse Wilson bool LinkStaticFields(Class* klass); 2620e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool LinkInstanceFields(Class* klass); 2630cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers bool LinkFields(Class *klass, bool instance); 2640cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 2654873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom 2664873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom void CreateReferenceInstanceOffsets(Class* klass); 2674873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom void CreateReferenceStaticOffsets(Class* klass); 2680cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers void CreateReferenceOffsets(Class *klass, bool instance, 2690cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers uint32_t reference_offsets); 2700e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 271161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom // lock to protect ClassLinker state 272161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom mutable Mutex lock_; 273161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom 2744a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom std::vector<const DexFile*> boot_class_path_; 275578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 2764a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom std::vector<const DexFile*> dex_files_; 2777e49dca262933bc30cbc8b9f07cfc8cce2343389Brian Carlstrom std::vector<DexCache*> dex_caches_; 2780e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2799cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom // multimap from a StringPiece hash code of a class descriptor to 2809cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom // Class* instances. Results should be compared for a matching 2819cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom // Class::descriptor_ and Class::class_loader_. 2829cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom typedef std::tr1::unordered_multimap<size_t, Class*> Table; 2830e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro Table classes_; 2840e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 285a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // indexes into class_roots_. 286a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // needs to be kept in sync with class_roots_descriptors_. 28774eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom enum ClassRoot { 28875cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangClass, 28975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangObject, 29074eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kObjectArrayClass, 29174eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kJavaLangString, 29275cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangReflectField, 29375cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangReflectMethod, 29474eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kJavaLangClassLoader, 29574eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kDalvikSystemBaseDexClassLoader, 29674eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kDalvikSystemPathClassLoader, 29755df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao kJavaLangStackTraceElement, 29875cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveBoolean, 299d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveByte, 30075cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveChar, 30175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveDouble, 302d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveFloat, 30375cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveInt, 30475cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveLong, 305d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveShort, 30675cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveVoid, 307d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kBooleanArrayClass, 308d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kByteArrayClass, 309d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kCharArrayClass, 310d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kDoubleArrayClass, 311d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kFloatArrayClass, 312d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kIntArrayClass, 313d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kLongArrayClass, 314d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kShortArrayClass, 31555df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao kJavaLangStackTraceElementArrayClass, 31675cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kClassRootsMax, 31775cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom }; 31875cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom ObjectArray<Class>* class_roots_; 319913af1bd90a6e8fd56f1f851db1f098636dae6a5Brian Carlstrom 32074eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom Class* GetClassRoot(ClassRoot class_root) { 321a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(class_roots_ != NULL); 32274eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom Class* klass = class_roots_->Get(class_root); 32374eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom DCHECK(klass != NULL); 32474eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom return klass; 32574eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom } 32674eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom 327a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom void SetClassRoot(ClassRoot class_root, Class* klass) { 328a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(!init_done_); 329a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 330a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(klass != NULL); 3310cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers DCHECK(klass->GetClassLoader() == NULL); 3320cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers DCHECK(klass->GetDescriptor() != NULL); 3330cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers DCHECK(klass->GetDescriptor()->Equals(GetClassRootDescriptor(class_root))); 334a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 335a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(class_roots_ != NULL); 336a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(class_roots_->Get(class_root) == NULL); 337a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom class_roots_->Set(class_root, klass); 338a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom } 339a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 340a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom static const char* class_roots_descriptors_[kClassRootsMax]; 341a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 342a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom const char* GetClassRootDescriptor(ClassRoot class_root) { 343a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom const char* descriptor = class_roots_descriptors_[class_root]; 344a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom CHECK(descriptor != NULL); 345a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom return descriptor; 346a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom } 347a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 3484a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom ObjectArray<Class>* array_interfaces_; 3494b620ffb1b4d0c96a94bb3afe314f35d53990ec6Brian Carlstrom ObjectArray<InterfaceEntry>* array_iftable_; 350565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 35175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom bool init_done_; 35275cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 353cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes InternTable* intern_table_; 354cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes 355f734cf55d510976f4862b15e35fc86eae2a3daf8Brian Carlstrom friend class CommonTest; 35675cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom FRIEND_TEST(DexCacheTest, Open); 35775cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom friend class ObjectTest; 35875cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom FRIEND_TEST(ObjectTest, AllocObjectArray); 3591a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao FRIEND_TEST(ExceptionTest, FindExceptionHandler); 3600e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro DISALLOW_COPY_AND_ASSIGN(ClassLinker); 3610e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro}; 3620e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 3630e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro} // namespace art 3640e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 3650e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#endif // ART_SRC_CLASS_LINKER_H_ 366