class_linker.h revision 5fe594f576225dd7d333835e39c448a71ea9b433
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" 13578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom#include "object.h" 147e93b50433cde2a44d99212e8040299bde498546Brian Carlstrom#include "thread.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: 27a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // Initializes the class linker using DexFile and an optional boot Space. 28cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes static ClassLinker* Create(const std::vector<const DexFile*>& boot_class_path, 2969b15fb098162f19a4c20e6dccdcead04d9c77f0Brian Carlstrom const std::vector<const DexFile*>& class_path, 3069b15fb098162f19a4c20e6dccdcead04d9c77f0Brian Carlstrom InternTable* intern_table, Space* boot_space); 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 107b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom Field* ResolveField(uint32_t field_idx, const Method* referrer) { 108b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom Class* declaring_class = referrer->GetDeclaringClass(); 109b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom DexCache* dex_cache = declaring_class->GetDexCache(); 1100cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // TODO: we could check for a dex cache hit here 111b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom const ClassLoader* class_loader = declaring_class->GetClassLoader(); 112b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom const DexFile& dex_file = FindDexFile(dex_cache); 113b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom return ResolveField(dex_file, field_idx, dex_cache, class_loader, true); 114b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom } 115b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom 1169ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // Resolve a method with a given ID from the DexFile, storing the 1179ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in DexCache. The ClassLinker and ClassLoader are used as 1189ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // in ResolveType. What is unique is the is_static argument which is 1199ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // used to determine if we are resolving a static or non-static 1209ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // field. 1219ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Field* ResolveField(const DexFile& dex_file, 1229ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom uint32_t field_idx, 1239ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* dex_cache, 1249ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader, 1259ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom bool is_static); 1269ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 127f4c21c9f6440c3980c47a297519f758796dbc039Elliott Hughes // Returns true on success, false if there's an exception pending. 128f4c21c9f6440c3980c47a297519f758796dbc039Elliott Hughes bool EnsureInitialized(Class* c); 1290e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 1309ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void RegisterDexFile(const DexFile& dex_file); 1319ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void RegisterDexFile(const DexFile& dex_file, DexCache* dex_cache); 1320e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 1338a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom const std::vector<const DexFile*>& GetBootClassPath() { 1348a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom return boot_class_path_; 1358a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom } 1368a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom 137410c0c876f326e14c176a39ba21fc4dd3f7db8abElliott Hughes void VisitRoots(Heap::RootVisitor* visitor, void* arg) const; 13875cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 139c143c55718342519db5398e41dda31422cf16c79buzbee const DexFile& FindDexFile(const DexCache* dex_cache) const; 1409ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* FindDexCache(const DexFile& dex_file) const; 141c143c55718342519db5398e41dda31422cf16c79buzbee 1424417536522fd2a9d8215d8672331984769c9520bShih-wei Liao template <class T> 1434417536522fd2a9d8215d8672331984769c9520bShih-wei Liao ObjectArray<T>* AllocObjectArray(size_t length) { 1444417536522fd2a9d8215d8672331984769c9520bShih-wei Liao return ObjectArray<T>::Alloc(GetClassRoot(kObjectArrayClass), length); 1454417536522fd2a9d8215d8672331984769c9520bShih-wei Liao } 1464417536522fd2a9d8215d8672331984769c9520bShih-wei Liao 14755df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao ObjectArray<StackTraceElement>* AllocStackTraceElementArray(size_t length); 14855df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 1490e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro private: 150cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes ClassLinker(InternTable*); 15161e019d291583029c01b61b93bea750f2b663c37Carl Shapiro 152a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // Initialize class linker from DexFile instances. 15369b15fb098162f19a4c20e6dccdcead04d9c77f0Brian Carlstrom void Init(const std::vector<const DexFile*>& boot_class_path_, 15469b15fb098162f19a4c20e6dccdcead04d9c77f0Brian Carlstrom const std::vector<const DexFile*>& class_path_); 15561e019d291583029c01b61b93bea750f2b663c37Carl Shapiro 156a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // Initialize class linker from pre-initialized space. 15769b15fb098162f19a4c20e6dccdcead04d9c77f0Brian Carlstrom void Init(const std::vector<const DexFile*>& boot_class_path_, 15869b15fb098162f19a4c20e6dccdcead04d9c77f0Brian Carlstrom const std::vector<const DexFile*>& class_path_, 15969b15fb098162f19a4c20e6dccdcead04d9c77f0Brian Carlstrom Space* space); 1604873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom static void InitCallback(Object* obj, void *arg); 161a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom struct InitCallbackState; 162a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 163a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom void FinishInit(); 164a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 165f4c21c9f6440c3980c47a297519f758796dbc039Elliott Hughes bool InitializeClass(Class* klass); 166f4c21c9f6440c3980c47a297519f758796dbc039Elliott Hughes 16775cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // For early bootstrapping by Init 1684873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom Class* AllocClass(Class* java_lang_Class, size_t class_size); 16975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 17075cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // Alloc* convenience functions to avoid needing to pass in Class* 17175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // values that are known to the ClassLinker such as 17275cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // kObjectArrayClass and kJavaLangString etc. 1734873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom Class* AllocClass(size_t class_size); 1749ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* AllocDexCache(const DexFile& dex_file); 17535baaab2a79014f35e225b189f6dbec1b4ba9542Jesse Wilson Field* AllocField(); 17675cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom Method* AllocMethod(); 1779cc262e2ad5cb507c21cc83b8dc954e9354a469cBrian Carlstrom CodeAndDirectMethods* AllocCodeAndDirectMethods(size_t length); 17875cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 1790cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers Class* CreatePrimitiveClass(const char* descriptor, 1800cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers Class::PrimitiveType type); 181a331b3cc392132c7333d36649a8310f38f4822ccBrian Carlstrom 182578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom Class* CreateArrayClass(const StringPiece& descriptor, 1839ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader); 184578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 1859ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void AppendToBootClassPath(const DexFile& dex_file); 1869ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void AppendToBootClassPath(const DexFile& dex_file, DexCache* dex_cache); 187578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 1885fe594f576225dd7d333835e39c448a71ea9b433Elliott Hughes void ConstructFieldMap(const DexFile& dex_file, const DexFile::ClassDef& dex_class_def, 1895fe594f576225dd7d333835e39c448a71ea9b433Elliott Hughes Class* c, std::map<int, Field*>& field_map); 1905fe594f576225dd7d333835e39c448a71ea9b433Elliott Hughes 1914873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom size_t SizeOfClass(const DexFile& dex_file, 1924873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom const DexFile::ClassDef& dex_class_def); 1934873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom 194f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom void LoadClass(const DexFile& dex_file, 195f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom const DexFile::ClassDef& dex_class_def, 19674eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom Class* klass, 1979ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader); 198565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 199f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom void LoadInterfaces(const DexFile& dex_file, 200f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom const DexFile::ClassDef& dex_class_def, 201578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom Class *klass); 202934486cf07c578b6494417ca5dcbae89cf04b019Brian Carlstrom 203f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom void LoadField(const DexFile& dex_file, 204f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom const DexFile::Field& dex_field, 205578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom Class* klass, 206578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom Field* dst); 207934486cf07c578b6494417ca5dcbae89cf04b019Brian Carlstrom 208f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom void LoadMethod(const DexFile& dex_file, 209f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom const DexFile::Method& dex_method, 210578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom Class* klass, 2111f87008b165d26541d832ff805250afdc89c253dBrian Carlstrom Method* dst); 212934486cf07c578b6494417ca5dcbae89cf04b019Brian Carlstrom 2139ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Class* LookupClass(const StringPiece& descriptor, const ClassLoader* class_loader); 2147e93b50433cde2a44d99212e8040299bde498546Brian Carlstrom 2150e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro // Inserts a class into the class table. Returns true if the class 2160e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro // was inserted. 2179cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom bool InsertClass(const StringPiece& descriptor, Class* klass); 2180e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2190e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool InitializeSuperClass(Class* klass); 2200e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2210e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro void InitializeStaticFields(Class* klass); 2220e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2230e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool ValidateSuperClassDescriptors(const Class* klass); 2240e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2250e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool HasSameDescriptorClasses(const char* descriptor, 2260e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro const Class* klass1, 2270e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro const Class* klass2); 2280e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2290e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool HasSameMethodDescriptorClasses(const Method* descriptor, 2300e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro const Class* klass1, 2310e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro const Class* klass2); 2320e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2330cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers bool LinkClass(Class* klass); 2340e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2350e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool LinkSuperClass(Class* klass); 2360e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 23774eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom bool LoadSuperAndInterfaces(Class* klass, const DexFile& dex_file); 2380e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2390e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool LinkMethods(Class* klass); 2400e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2410e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool LinkVirtualMethods(Class* klass); 2420e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2430e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool LinkInterfaceMethods(Class* klass); 2440e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2450e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro void LinkAbstractMethods(Class* klass); 2460e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2477833bd261d78be2c42284031f169a62c9065cc3cJesse Wilson bool LinkStaticFields(Class* klass); 2480e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro bool LinkInstanceFields(Class* klass); 2490cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers bool LinkFields(Class *klass, bool instance); 2500cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 2514873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom 2524873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom void CreateReferenceInstanceOffsets(Class* klass); 2534873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom void CreateReferenceStaticOffsets(Class* klass); 2540cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers void CreateReferenceOffsets(Class *klass, bool instance, 2550cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers uint32_t reference_offsets); 2560e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2574a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom std::vector<const DexFile*> boot_class_path_; 258578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 2594a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom std::vector<const DexFile*> dex_files_; 260578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 2617e49dca262933bc30cbc8b9f07cfc8cce2343389Brian Carlstrom std::vector<DexCache*> dex_caches_; 2620e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2639cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom // multimap from a StringPiece hash code of a class descriptor to 2649cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom // Class* instances. Results should be compared for a matching 2659cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom // Class::descriptor_ and Class::class_loader_. 2669cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom typedef std::tr1::unordered_multimap<size_t, Class*> Table; 2670e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro Table classes_; 2680e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro Mutex* classes_lock_; 2690e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 270a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // indexes into class_roots_. 271a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // needs to be kept in sync with class_roots_descriptors_. 27274eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom enum ClassRoot { 27375cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangClass, 27475cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangObject, 27574eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kObjectArrayClass, 27674eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kJavaLangString, 27775cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangReflectField, 27875cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangReflectMethod, 27974eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kJavaLangClassLoader, 28074eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kDalvikSystemBaseDexClassLoader, 28174eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kDalvikSystemPathClassLoader, 28255df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao kJavaLangStackTraceElement, 28375cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveBoolean, 284d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveByte, 28575cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveChar, 28675cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveDouble, 287d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveFloat, 28875cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveInt, 28975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveLong, 290d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveShort, 29175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveVoid, 292d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kBooleanArrayClass, 293d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kByteArrayClass, 294d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kCharArrayClass, 295d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kDoubleArrayClass, 296d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kFloatArrayClass, 297d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kIntArrayClass, 298d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kLongArrayClass, 299d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kShortArrayClass, 30055df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao kJavaLangStackTraceElementArrayClass, 30175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kClassRootsMax, 30275cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom }; 30375cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom ObjectArray<Class>* class_roots_; 304913af1bd90a6e8fd56f1f851db1f098636dae6a5Brian Carlstrom 30574eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom Class* GetClassRoot(ClassRoot class_root) { 306a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(class_roots_ != NULL); 30774eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom Class* klass = class_roots_->Get(class_root); 30874eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom DCHECK(klass != NULL); 30974eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom return klass; 31074eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom } 31174eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom 312a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom void SetClassRoot(ClassRoot class_root, Class* klass) { 313a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(!init_done_); 314a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 315a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(klass != NULL); 3160cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers DCHECK(klass->GetClassLoader() == NULL); 3170cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers DCHECK(klass->GetDescriptor() != NULL); 3180cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers DCHECK(klass->GetDescriptor()->Equals(GetClassRootDescriptor(class_root))); 319a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 320a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(class_roots_ != NULL); 321a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(class_roots_->Get(class_root) == NULL); 322a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom class_roots_->Set(class_root, klass); 323a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom } 324a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 325a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom static const char* class_roots_descriptors_[kClassRootsMax]; 326a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 327a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom const char* GetClassRootDescriptor(ClassRoot class_root) { 328a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom const char* descriptor = class_roots_descriptors_[class_root]; 329a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom CHECK(descriptor != NULL); 330a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom return descriptor; 331a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom } 332a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 3334a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom ObjectArray<Class>* array_interfaces_; 334913af1bd90a6e8fd56f1f851db1f098636dae6a5Brian Carlstrom InterfaceEntry* array_iftable_; 335565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 33675cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom bool init_done_; 33775cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 338cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes InternTable* intern_table_; 339cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes 340f734cf55d510976f4862b15e35fc86eae2a3daf8Brian Carlstrom friend class CommonTest; 34175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom FRIEND_TEST(DexCacheTest, Open); 34275cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom friend class ObjectTest; 34375cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom FRIEND_TEST(ObjectTest, AllocObjectArray); 3441a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao FRIEND_TEST(ExceptionTest, FindExceptionHandler); 3450e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro DISALLOW_COPY_AND_ASSIGN(ClassLinker); 3460e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro}; 3470e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 3480e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro} // namespace art 3490e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 3500e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#endif // ART_SRC_CLASS_LINKER_H_ 351