class_linker.h revision f6174e8a1566bb357e82506f7ec97dc359c90eb2
1418d20fc407052d4152157f61e7453359f902383Elliott Hughes/* 2418d20fc407052d4152157f61e7453359f902383Elliott Hughes * Copyright (C) 2011 The Android Open Source Project 3418d20fc407052d4152157f61e7453359f902383Elliott Hughes * 4418d20fc407052d4152157f61e7453359f902383Elliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 5418d20fc407052d4152157f61e7453359f902383Elliott Hughes * you may not use this file except in compliance with the License. 6418d20fc407052d4152157f61e7453359f902383Elliott Hughes * You may obtain a copy of the License at 7418d20fc407052d4152157f61e7453359f902383Elliott Hughes * 8418d20fc407052d4152157f61e7453359f902383Elliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 9418d20fc407052d4152157f61e7453359f902383Elliott Hughes * 10418d20fc407052d4152157f61e7453359f902383Elliott Hughes * Unless required by applicable law or agreed to in writing, software 11418d20fc407052d4152157f61e7453359f902383Elliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 12418d20fc407052d4152157f61e7453359f902383Elliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13418d20fc407052d4152157f61e7453359f902383Elliott Hughes * See the License for the specific language governing permissions and 14418d20fc407052d4152157f61e7453359f902383Elliott Hughes * limitations under the License. 15418d20fc407052d4152157f61e7453359f902383Elliott Hughes */ 160e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 170e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#ifndef ART_SRC_CLASS_LINKER_H_ 180e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#define ART_SRC_CLASS_LINKER_H_ 190e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 200e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#include <map> 216d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers#include <string> 220e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#include <utility> 230e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#include <vector> 240e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 25caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers#include "dex_cache.h" 267e93b50433cde2a44d99212e8040299bde498546Brian Carlstrom#include "dex_file.h" 27e5448b5a12003b405b22cde3b94f962ab4888a87Elliott Hughes#include "gtest/gtest.h" 284a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom#include "heap.h" 29578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom#include "macros.h" 308daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes#include "mutex.h" 3158ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom#include "oat_file.h" 32578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom#include "object.h" 3340381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom#include "stack_indirect_reference_table.h" 340e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 350e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapironamespace art { 360e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 37cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughesclass ClassLoader; 3830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogersclass ImageSpace; 39cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughesclass InternTable; 40d1422f81bf9b35cb2aad3fb5615d3f5209014709Brian Carlstromclass ObjectLock; 41cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes 42a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughestypedef bool (ClassVisitor)(Class* c, void* arg); 43a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 440e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiroclass ClassLinker { 450e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro public: 4658ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom // Creates the class linker by boot strapping from dex files. 474dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes static ClassLinker* Create(const std::string& boot_class_path, InternTable* intern_table); 4858ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom 4958ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom // Creates the class linker from one or more images. 504dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes static ClassLinker* Create(InternTable* intern_table); 519ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 529ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom ~ClassLinker(); 53565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 5464bf5a33d55aa779ef452552a466943002d39e4fElliott Hughes // Finds a class by its descriptor, loading it if necessary. 5574eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom // If class_loader is null, searches boot_class_path_. 56c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes Class* FindClass(const char* descriptor, const ClassLoader* class_loader); 57aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 58db7d5e96d3e4090e69fac7b4ec1fc1bdcc0b436cElliott Hughes Class* FindSystemClass(const char* descriptor); 59aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 60aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom // Define a new a class based on a ClassDef from a DexFile 61c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes Class* DefineClass(const StringPiece& descriptor, const ClassLoader* class_loader, 62aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const DexFile& dex_file, const DexFile::ClassDef& dex_class_def); 6364bf5a33d55aa779ef452552a466943002d39e4fElliott Hughes 6464bf5a33d55aa779ef452552a466943002d39e4fElliott Hughes // Finds a class by its descriptor, returning NULL if it isn't wasn't loaded 6564bf5a33d55aa779ef452552a466943002d39e4fElliott Hughes // by the given 'class_loader'. 66c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes Class* LookupClass(const char* descriptor, const ClassLoader* class_loader); 670e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 686fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes // Finds all the classes with the given descriptor, regardless of ClassLoader. 69c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes void LookupClasses(const char* descriptor, std::vector<Class*>& classes); 706fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes 71d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes Class* FindPrimitiveClass(char type); 72d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes 73ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom // General class unloading is not supported, this is used to prune 74ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom // unwanted classes during image writing. 75c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes bool RemoveClass(const char* descriptor, const ClassLoader* class_loader); 76ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 779d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes void DumpAllClasses(int flags) const; 789d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 79cac6cc72c3331257fa6437b36a131e5d551e2f3cElliott Hughes void DumpForSigQuit(std::ostream& os) const; 80cac6cc72c3331257fa6437b36a131e5d551e2f3cElliott Hughes 81e27955ca3ca960928d4dbd6cb79711fce06950b3Elliott Hughes size_t NumLoadedClasses() const; 82e27955ca3ca960928d4dbd6cb79711fce06950b3Elliott Hughes 83b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // Resolve a String with the given index from the DexFile, storing the 84aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom // result in the DexCache. The referrer is used to identify the 85aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom // target DexCache and ClassLoader to use for resolution. 86aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom String* ResolveString(uint32_t string_idx, const Method* referrer) { 87caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers String* resolved_string = referrer->GetDexCacheStrings()->Get(string_idx); 88caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers if (UNLIKELY(resolved_string == NULL)) { 89caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* declaring_class = referrer->GetDeclaringClass(); 90caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 91caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const DexFile& dex_file = FindDexFile(dex_cache); 92caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers resolved_string = ResolveString(dex_file, string_idx, dex_cache); 93caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers } 94caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers return resolved_string; 95aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 96aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 97aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom // Resolve a String with the given index from the DexFile, storing the 989ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in the DexCache. 990cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers String* ResolveString(const DexFile& dex_file, uint32_t string_idx, DexCache* dex_cache); 1009ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 101b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // Resolve a Type with the given index from the DexFile, storing the 1029ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in the DexCache. The referrer is used to identity the 1039ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // target DexCache and ClassLoader to use for resolution. 1049ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Class* ResolveType(const DexFile& dex_file, 1056d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers uint16_t type_idx, 1069ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const Class* referrer) { 1079ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom return ResolveType(dex_file, 1089ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom type_idx, 1099ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom referrer->GetDexCache(), 1109ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom referrer->GetClassLoader()); 1119ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 1129ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 113b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // Resolve a Type with the given index from the DexFile, storing the 1140cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // result in the DexCache. The referrer is used to identify the 115b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // target DexCache and ClassLoader to use for resolution. 1166d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers Class* ResolveType(uint16_t type_idx, const Method* referrer) { 117caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* resolved_type = referrer->GetDexCacheResolvedTypes()->Get(type_idx); 118caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers if (UNLIKELY(resolved_type == NULL)) { 119caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* declaring_class = referrer->GetDeclaringClass(); 120caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 121caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const ClassLoader* class_loader = declaring_class->GetClassLoader(); 122caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const DexFile& dex_file = FindDexFile(dex_cache); 123caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers resolved_type = ResolveType(dex_file, type_idx, dex_cache, class_loader); 124caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers } 125caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers return resolved_type; 1260cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers } 1270cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 1286d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers Class* ResolveType(uint16_t type_idx, const Field* referrer) { 1290cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers Class* declaring_class = referrer->GetDeclaringClass(); 1300cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 131caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* resolved_type = dex_cache->GetResolvedType(type_idx); 132caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers if (UNLIKELY(resolved_type == NULL)) { 133caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const ClassLoader* class_loader = declaring_class->GetClassLoader(); 134caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const DexFile& dex_file = FindDexFile(dex_cache); 135caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers resolved_type = ResolveType(dex_file, type_idx, dex_cache, class_loader); 136caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers } 137caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers return resolved_type; 138b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom } 139b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom 1409ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // Resolve a type with the given ID from the DexFile, storing the 1419ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in DexCache. The ClassLoader is used to search for the 1429ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // type, since it may be referenced from but not contained within 1439ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // the given DexFile. 1449ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Class* ResolveType(const DexFile& dex_file, 1456d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers uint16_t type_idx, 1469ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* dex_cache, 1479ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader); 1489ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 1499ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // Resolve a method with a given ID from the DexFile, storing the 1509ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in DexCache. The ClassLinker and ClassLoader are used as 1519ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // in ResolveType. What is unique is the method type argument which 1529ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // is used to determine if this method is a direct, static, or 1539ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // virtual method. 1549ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Method* ResolveMethod(const DexFile& dex_file, 1559ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom uint32_t method_idx, 1569ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* dex_cache, 1579ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader, 15820cfffabdc9e02b2df798bc4e6b6035d14bf4e36Brian Carlstrom bool is_direct); 1599ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 160161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom Method* ResolveMethod(uint32_t method_idx, const Method* referrer, bool is_direct) { 161caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Method* resolved_method = referrer->GetDexCacheResolvedMethods()->Get(method_idx); 162caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers if (UNLIKELY(resolved_method == NULL)) { 163caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* declaring_class = referrer->GetDeclaringClass(); 164caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 165caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const ClassLoader* class_loader = declaring_class->GetClassLoader(); 166caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const DexFile& dex_file = FindDexFile(dex_cache); 167caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers resolved_method = ResolveMethod(dex_file, method_idx, dex_cache, class_loader, is_direct); 168caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers } 169caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers return resolved_method; 170161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom } 171161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom 172845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom Field* ResolveField(uint32_t field_idx, const Method* referrer, bool is_static) { 173caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Field* resolved_field = referrer->GetDexCacheResolvedFields()->Get(field_idx); 174caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers if (UNLIKELY(resolved_field == NULL)) { 175caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* declaring_class = referrer->GetDeclaringClass(); 176caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 177caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const ClassLoader* class_loader = declaring_class->GetClassLoader(); 178caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const DexFile& dex_file = FindDexFile(dex_cache); 179caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers resolved_field = ResolveField(dex_file, field_idx, dex_cache, class_loader, is_static); 180caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers } 181caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers return resolved_field; 182b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom } 183b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom 184161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom // Resolve a field with a given ID from the DexFile, storing the 1859ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in DexCache. The ClassLinker and ClassLoader are used as 1869ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // in ResolveType. What is unique is the is_static argument which is 1879ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // used to determine if we are resolving a static or non-static 1889ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // field. 1899ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Field* ResolveField(const DexFile& dex_file, 1909ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom uint32_t field_idx, 1919ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* dex_cache, 1929ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader, 1939ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom bool is_static); 1949ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 195b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers Field* ResolveFieldJLS(uint32_t field_idx, const Method* referrer) { 196b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers Field* resolved_field = referrer->GetDexCacheResolvedFields()->Get(field_idx); 197b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers if (UNLIKELY(resolved_field == NULL)) { 198b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers Class* declaring_class = referrer->GetDeclaringClass(); 199b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 200b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers const ClassLoader* class_loader = declaring_class->GetClassLoader(); 201b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers const DexFile& dex_file = FindDexFile(dex_cache); 202b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers resolved_field = ResolveFieldJLS(dex_file, field_idx, dex_cache, class_loader); 203b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers } 204b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers return resolved_field; 205b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers } 206b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers 207b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers // Resolve a field with a given ID from the DexFile, storing the 208b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers // result in DexCache. The ClassLinker and ClassLoader are used as 209b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers // in ResolveType. No is_static argument is provided so that Java 210b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers // field resolution semantics are followed. 211b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers Field* ResolveFieldJLS(const DexFile& dex_file, 212b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers uint32_t field_idx, 213b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers DexCache* dex_cache, 214b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers const ClassLoader* class_loader); 215b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers 216ad25ac568407ceb14334e8551dd1c4dd0fd6993cIan Rogers // Get shorty from method index without resolution. Used to do handlerization. 217ad25ac568407ceb14334e8551dd1c4dd0fd6993cIan Rogers const char* MethodShorty(uint32_t method_idx, Method* referrer); 218ad25ac568407ceb14334e8551dd1c4dd0fd6993cIan Rogers 219f4c21c9f6440c3980c47a297519f758796dbc039Elliott Hughes // Returns true on success, false if there's an exception pending. 22025c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom // can_run_clinit=false allows the compiler to attempt to init a class, 22125c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom // given the restriction that no <clinit> execution is possible. 22225c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom bool EnsureInitialized(Class* c, bool can_run_clinit); 2230e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2242a20cfd0b7fc81099f5de0da782ebcc1cb262792Elliott Hughes // Initializes classes that have instances in the image but that have 2252a20cfd0b7fc81099f5de0da782ebcc1cb262792Elliott Hughes // <clinit> methods so they could not be initialized by the compiler. 2262a20cfd0b7fc81099f5de0da782ebcc1cb262792Elliott Hughes void RunRootClinits(); 2272a20cfd0b7fc81099f5de0da782ebcc1cb262792Elliott Hughes 2289ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void RegisterDexFile(const DexFile& dex_file); 22940381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void RegisterDexFile(const DexFile& dex_file, SirtRef<DexCache>& dex_cache); 2300e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 231866c8627626b7c47fb69b498b341772d7dfa7f60Brian Carlstrom void RegisterOatFile(const OatFile& oat_file); 232866c8627626b7c47fb69b498b341772d7dfa7f60Brian Carlstrom 2338a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom const std::vector<const DexFile*>& GetBootClassPath() { 2348a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom return boot_class_path_; 2358a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom } 2368a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom 237a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes void VisitClasses(ClassVisitor* visitor, void* arg) const; 238a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 239410c0c876f326e14c176a39ba21fc4dd3f7db8abElliott Hughes void VisitRoots(Heap::RootVisitor* visitor, void* arg) const; 24075cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 241c143c55718342519db5398e41dda31422cf16c79buzbee const DexFile& FindDexFile(const DexCache* dex_cache) const; 2429ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* FindDexCache(const DexFile& dex_file) const; 243aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom bool IsDexFileRegistered(const DexFile& dex_file) const; 2441d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 245262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao // Generate an oat file from a dex file 246d601af8d9549ca95a911afb2fc67c4e562da661fBrian Carlstrom bool GenerateOatFile(const std::string& dex_filename, 247d601af8d9549ca95a911afb2fc67c4e562da661fBrian Carlstrom int oat_fd, 248d601af8d9549ca95a911afb2fc67c4e562da661fBrian Carlstrom const std::string& oat_cache_filename); 249262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao 2501d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom // Find, possibily opening, an OatFile corresponding to a DexFile 251ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const OatFile* FindOatFileForDexFile(const DexFile& dex_file); 252ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const OatFile* FindOatFileFromOatLocation(const std::string& location); 253c143c55718342519db5398e41dda31422cf16c79buzbee 254f6174e8a1566bb357e82506f7ec97dc359c90eb2jeffhao // Find a DexFile within an OatFile given a DexFile location 255f6174e8a1566bb357e82506f7ec97dc359c90eb2jeffhao const DexFile* FindDexFileFromDexLocation(const std::string& location); 256f6174e8a1566bb357e82506f7ec97dc359c90eb2jeffhao 257418d20fc407052d4152157f61e7453359f902383Elliott Hughes // TODO: replace this with multiple methods that allocate the correct managed type. 2584417536522fd2a9d8215d8672331984769c9520bShih-wei Liao template <class T> 2594417536522fd2a9d8215d8672331984769c9520bShih-wei Liao ObjectArray<T>* AllocObjectArray(size_t length) { 2604417536522fd2a9d8215d8672331984769c9520bShih-wei Liao return ObjectArray<T>::Alloc(GetClassRoot(kObjectArrayClass), length); 2614417536522fd2a9d8215d8672331984769c9520bShih-wei Liao } 2624417536522fd2a9d8215d8672331984769c9520bShih-wei Liao 263418d20fc407052d4152157f61e7453359f902383Elliott Hughes ObjectArray<Class>* AllocClassArray(size_t length) { 264418d20fc407052d4152157f61e7453359f902383Elliott Hughes return ObjectArray<Class>::Alloc(GetClassRoot(kClassArrayClass), length); 265418d20fc407052d4152157f61e7453359f902383Elliott Hughes } 266418d20fc407052d4152157f61e7453359f902383Elliott Hughes 26755df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao ObjectArray<StackTraceElement>* AllocStackTraceElementArray(size_t length); 26855df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 26998eacac683b78e60799323e8c7d59e7214808639jeffhao void VerifyClass(Class* klass); 270e7d856b911222aa000ca2be0f8f63f5b292141c3Brian Carlstrom bool VerifyClassUsingOatFile(const DexFile& dex_file, Class* klass); 271e7d856b911222aa000ca2be0f8f63f5b292141c3Brian Carlstrom void ResolveClassExceptionHandlerTypes(const DexFile& dex_file, Class* klass); 272e7d856b911222aa000ca2be0f8f63f5b292141c3Brian Carlstrom void ResolveMethodExceptionHandlerTypes(const DexFile& dex_file, Method* klass); 27398eacac683b78e60799323e8c7d59e7214808639jeffhao 27495caa791e560da97363c0c0d22bfda4a7e7377c3Jesse Wilson Class* CreateProxyClass(String* name, ObjectArray<Class>* interfaces, ClassLoader* loader, 2756d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers ObjectArray<Method>* methods, ObjectArray<ObjectArray<Class> >* throws); 2766d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers std::string GetDescriptorForProxy(const Class* proxy_class); 27795caa791e560da97363c0c0d22bfda4a7e7377c3Jesse Wilson 27847d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom pid_t GetClassesLockOwner(); // For SignalCatcher. 27947d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom pid_t GetDexLockOwner(); // For SignalCatcher. 28024a3c2e9924e8765c4a9b4d383cb8f3b922f9c9fBrian Carlstrom 2810e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro private: 2824dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes explicit ClassLinker(InternTable*); 28361e019d291583029c01b61b93bea750f2b663c37Carl Shapiro 28458ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom // Initialize class linker by bootstraping from dex files 28558ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom void Init(const std::string& boot_class_path); 28661e019d291583029c01b61b93bea750f2b663c37Carl Shapiro 28758ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom // Initialize class linker from one or more images. 28858ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom void InitFromImage(); 28930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers OatFile* OpenOat(const ImageSpace* space); 29078128a63b2615744760b7f8ab83df9764a5d4a95Brian Carlstrom static void InitFromImageCallback(Object* obj, void* arg); 291c74255fffb035001304c9a058a2e730a5a1a9604Brian Carlstrom struct InitFromImageCallbackState; 292a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 293a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom void FinishInit(); 294a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 29575cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // For early bootstrapping by Init 2964873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom Class* AllocClass(Class* java_lang_Class, size_t class_size); 29775cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 29875cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // Alloc* convenience functions to avoid needing to pass in Class* 29975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // values that are known to the ClassLinker such as 30075cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // kObjectArrayClass and kJavaLangString etc. 3014873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom Class* AllocClass(size_t class_size); 3029ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* AllocDexCache(const DexFile& dex_file); 30335baaab2a79014f35e225b189f6dbec1b4ba9542Jesse Wilson Field* AllocField(); 304bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers 30575cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom Method* AllocMethod(); 306bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers 3079cc262e2ad5cb507c21cc83b8dc954e9354a469cBrian Carlstrom CodeAndDirectMethods* AllocCodeAndDirectMethods(size_t length); 3084b620ffb1b4d0c96a94bb3afe314f35d53990ec6Brian Carlstrom InterfaceEntry* AllocInterfaceEntry(Class* interface); 30975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 3106b4ef025af12b158d117fc80fc79acf620f411a0Brian Carlstrom Class* CreatePrimitiveClass(const char* descriptor, Primitive::Type type) { 3115b8e4c810a97c9dc417142b8c6e07871ae15c797Brian Carlstrom return InitializePrimitiveClass(AllocClass(sizeof(Class)), descriptor, type); 3125b8e4c810a97c9dc417142b8c6e07871ae15c797Brian Carlstrom } 3135b8e4c810a97c9dc417142b8c6e07871ae15c797Brian Carlstrom Class* InitializePrimitiveClass(Class* primitive_class, 3145b8e4c810a97c9dc417142b8c6e07871ae15c797Brian Carlstrom const char* descriptor, 3156b4ef025af12b158d117fc80fc79acf620f411a0Brian Carlstrom Primitive::Type type); 3165b8e4c810a97c9dc417142b8c6e07871ae15c797Brian Carlstrom 317a331b3cc392132c7333d36649a8310f38f4822ccBrian Carlstrom 318c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes Class* CreateArrayClass(const std::string& descriptor, const ClassLoader* class_loader); 319578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 3209ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void AppendToBootClassPath(const DexFile& dex_file); 32140381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void AppendToBootClassPath(const DexFile& dex_file, SirtRef<DexCache>& dex_cache); 322578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 3235fe594f576225dd7d333835e39c448a71ea9b433Elliott Hughes void ConstructFieldMap(const DexFile& dex_file, const DexFile::ClassDef& dex_class_def, 3240571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers Class* c, std::map<uint32_t, Field*>& field_map); 3255fe594f576225dd7d333835e39c448a71ea9b433Elliott Hughes 3264873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom size_t SizeOfClass(const DexFile& dex_file, 3274873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom const DexFile::ClassDef& dex_class_def); 3284873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom 329f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom void LoadClass(const DexFile& dex_file, 330f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom const DexFile::ClassDef& dex_class_def, 33140381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom SirtRef<Class>& klass, 3329ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader); 333565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 3340571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers void LoadField(const DexFile& dex_file, const ClassDataItemIterator& it, SirtRef<Class>& klass, 33540381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom SirtRef<Field>& dst); 336934486cf07c578b6494417ca5dcbae89cf04b019Brian Carlstrom 3370571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers void LoadMethod(const DexFile& dex_file, const ClassDataItemIterator& dex_method, 3380571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers SirtRef<Class>& klass, SirtRef<Method>& dst); 339934486cf07c578b6494417ca5dcbae89cf04b019Brian Carlstrom 34007bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom // Attempts to insert a class into a class table. Returns NULL if 34107bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom // the class was inserted, otherwise returns an existing class with 34207bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom // the same descriptor and ClassLoader. 34307bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom Class* InsertClass(const StringPiece& descriptor, Class* klass, bool image_class); 344aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 34540381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void RegisterDexFileLocked(const DexFile& dex_file, SirtRef<DexCache>& dex_cache); 346aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom bool IsDexFileRegisteredLocked(const DexFile& dex_file) const; 347866c8627626b7c47fb69b498b341772d7dfa7f60Brian Carlstrom void RegisterOatFileLocked(const OatFile& oat_file); 348aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 349d1422f81bf9b35cb2aad3fb5615d3f5209014709Brian Carlstrom bool InitializeClass(Class* klass, bool can_run_clinit); 350d1422f81bf9b35cb2aad3fb5615d3f5209014709Brian Carlstrom bool WaitForInitializeClass(Class* klass, Thread* self, ObjectLock& lock); 351d1422f81bf9b35cb2aad3fb5615d3f5209014709Brian Carlstrom bool ValidateSuperClassDescriptors(const Class* klass); 35225c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom bool InitializeSuperClass(Class* klass, bool can_run_clinit); 3530e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro void InitializeStaticFields(Class* klass); 3540e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 355595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers bool IsSameDescriptorInDifferentClassContexts(const char* descriptor, 356595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers const Class* klass1, 357595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers const Class* klass2); 3580e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 359595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers bool IsSameMethodSignatureInDifferentClassContexts(const Method* descriptor, 360595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers const Class* klass1, 361595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers const Class* klass2); 3620e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 363c2b4447ae9c0c1e77595620acac6508999df6698Ian Rogers bool LinkClass(SirtRef<Class>& klass, ObjectArray<Class>* interfaces); 3640e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 36540381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LinkSuperClass(SirtRef<Class>& klass); 3660e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 36740381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LoadSuperAndInterfaces(SirtRef<Class>& klass, const DexFile& dex_file); 3680e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 3696d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers bool LinkMethods(SirtRef<Class>& klass, ObjectArray<Class>* interfaces); 3700e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 37140381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LinkVirtualMethods(SirtRef<Class>& klass); 3720e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 3736d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers bool LinkInterfaceMethods(SirtRef<Class>& klass, ObjectArray<Class>* interfaces); 3740e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 37540381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LinkStaticFields(SirtRef<Class>& klass); 37640381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LinkInstanceFields(SirtRef<Class>& klass); 37740381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LinkFields(SirtRef<Class>& klass, bool is_static); 3780cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 3794873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom 38040381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void CreateReferenceInstanceOffsets(SirtRef<Class>& klass); 38140381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void CreateReferenceStaticOffsets(SirtRef<Class>& klass); 38240381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void CreateReferenceOffsets(SirtRef<Class>& klass, bool is_static, 3830cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers uint32_t reference_offsets); 3840e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 38558ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom // For use by ImageWriter to find DexCaches for its roots 38658ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom const std::vector<DexCache*>& GetDexCaches() { 38758ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom return dex_caches_; 38858ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom } 38958ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom 390ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const OatFile* FindOpenedOatFileForDexFile(const DexFile& dex_file); 391ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const OatFile* FindOpenedOatFileFromOatLocation(const std::string& oat_location); 392fad714344ca81a21e775ef45ae09d9a035723cafBrian Carlstrom 3936d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers Method* CreateProxyConstructor(SirtRef<Class>& klass, Class* proxy_class); 3946d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers Method* CreateProxyMethod(SirtRef<Class>& klass, SirtRef<Method>& prototype); 39595caa791e560da97363c0c0d22bfda4a7e7377c3Jesse Wilson 3964a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom std::vector<const DexFile*> boot_class_path_; 397578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 3984a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom std::vector<const DexFile*> dex_files_; 3997e49dca262933bc30cbc8b9f07cfc8cce2343389Brian Carlstrom std::vector<DexCache*> dex_caches_; 40047d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom std::vector<const OatFile*> oat_files_; 40147d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom // lock to protect concurrent access to dex_files_, dex_caches_, and oat_files_ 40247d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom mutable Mutex dex_lock_; 40347d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom 4040e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 405aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom // multimap from a string hash code of a class descriptor to 4069cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom // Class* instances. Results should be compared for a matching 4079cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom // Class::descriptor_ and Class::class_loader_. 40847d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom // Protected by classes_lock_ 409e5448b5a12003b405b22cde3b94f962ab4888a87Elliott Hughes typedef std::multimap<size_t, Class*> Table; 41007bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom Class* LookupClass(const char* descriptor, const ClassLoader* class_loader, 41107bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom size_t hash, const Table& classes); 4125d76c435082332ef79a22962386fa92a0870e378Ian Rogers Table image_classes_; 4130e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro Table classes_; 41447d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom mutable Mutex classes_lock_; 4150e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 416a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // indexes into class_roots_. 417a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // needs to be kept in sync with class_roots_descriptors_. 41874eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom enum ClassRoot { 41975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangClass, 42075cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangObject, 421418d20fc407052d4152157f61e7453359f902383Elliott Hughes kClassArrayClass, 42274eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kObjectArrayClass, 42374eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kJavaLangString, 424bf61ba3dcd9d9895b86a05e88762ff034b09b263Elliott Hughes kJavaLangRefReference, 4258060925c45cc2607ab92390d7366c6c0cfdfe4bbElliott Hughes kJavaLangReflectConstructor, 42675cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangReflectField, 42775cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangReflectMethod, 428466bb25416b88fabd5d4387b7c7e5cc1ece78b8cIan Rogers kJavaLangReflectProxy, 42974eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kJavaLangClassLoader, 43074eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kDalvikSystemBaseDexClassLoader, 43174eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kDalvikSystemPathClassLoader, 43255df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao kJavaLangStackTraceElement, 43375cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveBoolean, 434d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveByte, 43575cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveChar, 43675cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveDouble, 437d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveFloat, 43875cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveInt, 43975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveLong, 440d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveShort, 44175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveVoid, 442d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kBooleanArrayClass, 443d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kByteArrayClass, 444d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kCharArrayClass, 445d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kDoubleArrayClass, 446d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kFloatArrayClass, 447d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kIntArrayClass, 448d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kLongArrayClass, 449d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kShortArrayClass, 45055df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao kJavaLangStackTraceElementArrayClass, 45175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kClassRootsMax, 45275cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom }; 45375cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom ObjectArray<Class>* class_roots_; 454913af1bd90a6e8fd56f1f851db1f098636dae6a5Brian Carlstrom 45574eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom Class* GetClassRoot(ClassRoot class_root) { 456a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(class_roots_ != NULL); 45774eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom Class* klass = class_roots_->Get(class_root); 45874eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom DCHECK(klass != NULL); 45974eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom return klass; 46074eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom } 46174eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom 4626d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers void SetClassRoot(ClassRoot class_root, Class* klass); 463a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 46434f426c49ac2de8cea70acef6b9ecdd8e62209d2Brian Carlstrom ObjectArray<Class>* GetClassRoots() { 46534f426c49ac2de8cea70acef6b9ecdd8e62209d2Brian Carlstrom DCHECK(class_roots_ != NULL); 46634f426c49ac2de8cea70acef6b9ecdd8e62209d2Brian Carlstrom return class_roots_; 46734f426c49ac2de8cea70acef6b9ecdd8e62209d2Brian Carlstrom } 46834f426c49ac2de8cea70acef6b9ecdd8e62209d2Brian Carlstrom 469418d20fc407052d4152157f61e7453359f902383Elliott Hughes static const char* class_roots_descriptors_[]; 470a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 471a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom const char* GetClassRootDescriptor(ClassRoot class_root) { 472a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom const char* descriptor = class_roots_descriptors_[class_root]; 473a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom CHECK(descriptor != NULL); 474a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom return descriptor; 475a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom } 476a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 4774b620ffb1b4d0c96a94bb3afe314f35d53990ec6Brian Carlstrom ObjectArray<InterfaceEntry>* array_iftable_; 478565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 47975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom bool init_done_; 48075cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 481cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes InternTable* intern_table_; 482cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes 483f734cf55d510976f4862b15e35fc86eae2a3daf8Brian Carlstrom friend class CommonTest; 484ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom friend class ImageWriter; // for GetClassRoots 48575cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom friend class ObjectTest; 4866d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers FRIEND_TEST(ClassLinkerTest, ClassRootDescriptors); 487ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom FRIEND_TEST(DexCacheTest, Open); 4881a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao FRIEND_TEST(ExceptionTest, FindExceptionHandler); 489ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom FRIEND_TEST(ObjectTest, AllocObjectArray); 4900e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro DISALLOW_COPY_AND_ASSIGN(ClassLinker); 4910e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro}; 4920e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 4930e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro} // namespace art 4940e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 4950e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#endif // ART_SRC_CLASS_LINKER_H_ 496