class_linker.h revision 07bb855daaad20f2d300418cee5a2d977758a3a1
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; 38cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughesclass InternTable; 39d1422f81bf9b35cb2aad3fb5615d3f5209014709Brian Carlstromclass ObjectLock; 40cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes 41a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughestypedef bool (ClassVisitor)(Class* c, void* arg); 42a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 430e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiroclass ClassLinker { 440e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro public: 4558ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom // Creates the class linker by boot strapping from dex files. 464dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes static ClassLinker* Create(const std::string& boot_class_path, InternTable* intern_table); 4758ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom 4858ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom // Creates the class linker from one or more images. 494dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes static ClassLinker* Create(InternTable* intern_table); 509ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 519ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom ~ClassLinker(); 52565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 5364bf5a33d55aa779ef452552a466943002d39e4fElliott Hughes // Finds a class by its descriptor, loading it if necessary. 5474eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom // If class_loader is null, searches boot_class_path_. 55c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes Class* FindClass(const char* descriptor, const ClassLoader* class_loader); 56aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 57db7d5e96d3e4090e69fac7b4ec1fc1bdcc0b436cElliott Hughes Class* FindSystemClass(const char* descriptor); 58aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 59aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom // Define a new a class based on a ClassDef from a DexFile 60c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes Class* DefineClass(const StringPiece& descriptor, const ClassLoader* class_loader, 61aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom const DexFile& dex_file, const DexFile::ClassDef& dex_class_def); 6264bf5a33d55aa779ef452552a466943002d39e4fElliott Hughes 6364bf5a33d55aa779ef452552a466943002d39e4fElliott Hughes // Finds a class by its descriptor, returning NULL if it isn't wasn't loaded 6464bf5a33d55aa779ef452552a466943002d39e4fElliott Hughes // by the given 'class_loader'. 65c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes Class* LookupClass(const char* descriptor, const ClassLoader* class_loader); 660e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 676fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes // Finds all the classes with the given descriptor, regardless of ClassLoader. 68c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes void LookupClasses(const char* descriptor, std::vector<Class*>& classes); 696fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes 70d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes Class* FindPrimitiveClass(char type); 71d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes 72ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom // General class unloading is not supported, this is used to prune 73ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom // unwanted classes during image writing. 74c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes bool RemoveClass(const char* descriptor, const ClassLoader* class_loader); 75ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 769d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes void DumpAllClasses(int flags) const; 779d5ccec86d60c9ddd811836b9a2bc28d0b3d11feElliott Hughes 78cac6cc72c3331257fa6437b36a131e5d551e2f3cElliott Hughes void DumpForSigQuit(std::ostream& os) const; 79cac6cc72c3331257fa6437b36a131e5d551e2f3cElliott Hughes 80e27955ca3ca960928d4dbd6cb79711fce06950b3Elliott Hughes size_t NumLoadedClasses() const; 81e27955ca3ca960928d4dbd6cb79711fce06950b3Elliott Hughes 82b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // Resolve a String with the given index from the DexFile, storing the 83aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom // result in the DexCache. The referrer is used to identify the 84aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom // target DexCache and ClassLoader to use for resolution. 85aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom String* ResolveString(uint32_t string_idx, const Method* referrer) { 86caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers String* resolved_string = referrer->GetDexCacheStrings()->Get(string_idx); 87caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers if (UNLIKELY(resolved_string == NULL)) { 88caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* declaring_class = referrer->GetDeclaringClass(); 89caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 90caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const DexFile& dex_file = FindDexFile(dex_cache); 91caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers resolved_string = ResolveString(dex_file, string_idx, dex_cache); 92caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers } 93caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers return resolved_string; 94aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 95aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 96aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom // Resolve a String with the given index from the DexFile, storing the 979ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in the DexCache. 980cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers String* ResolveString(const DexFile& dex_file, uint32_t string_idx, DexCache* dex_cache); 999ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 100b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // Resolve a Type with the given index from the DexFile, storing the 1019ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in the DexCache. The referrer is used to identity the 1029ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // target DexCache and ClassLoader to use for resolution. 1039ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Class* ResolveType(const DexFile& dex_file, 1046d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers uint16_t type_idx, 1059ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const Class* referrer) { 1069ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom return ResolveType(dex_file, 1079ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom type_idx, 1089ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom referrer->GetDexCache(), 1099ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom referrer->GetClassLoader()); 1109ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 1119ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 112b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // Resolve a Type with the given index from the DexFile, storing the 1130cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers // result in the DexCache. The referrer is used to identify the 114b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom // target DexCache and ClassLoader to use for resolution. 1156d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers Class* ResolveType(uint16_t type_idx, const Method* referrer) { 116caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* resolved_type = referrer->GetDexCacheResolvedTypes()->Get(type_idx); 117caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers if (UNLIKELY(resolved_type == NULL)) { 118caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* declaring_class = referrer->GetDeclaringClass(); 119caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 120caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const ClassLoader* class_loader = declaring_class->GetClassLoader(); 121caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const DexFile& dex_file = FindDexFile(dex_cache); 122caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers resolved_type = ResolveType(dex_file, type_idx, dex_cache, class_loader); 123caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers } 124caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers return resolved_type; 1250cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers } 1260cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 1276d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers Class* ResolveType(uint16_t type_idx, const Field* referrer) { 1280cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers Class* declaring_class = referrer->GetDeclaringClass(); 1290cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 130caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* resolved_type = dex_cache->GetResolvedType(type_idx); 131caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers if (UNLIKELY(resolved_type == NULL)) { 132caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const ClassLoader* class_loader = declaring_class->GetClassLoader(); 133caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const DexFile& dex_file = FindDexFile(dex_cache); 134caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers resolved_type = ResolveType(dex_file, type_idx, dex_cache, class_loader); 135caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers } 136caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers return resolved_type; 137b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom } 138b63ec393a5c4ba2be1d34dd871cda811eaa803c7Brian Carlstrom 1399ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // Resolve a type with the given ID from the DexFile, storing the 1409ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in DexCache. The ClassLoader is used to search for the 1419ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // type, since it may be referenced from but not contained within 1429ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // the given DexFile. 1439ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Class* ResolveType(const DexFile& dex_file, 1446d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers uint16_t type_idx, 1459ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* dex_cache, 1469ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader); 1479ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 1489ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // Resolve a method with a given ID from the DexFile, storing the 1499ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in DexCache. The ClassLinker and ClassLoader are used as 1509ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // in ResolveType. What is unique is the method type argument which 1519ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // is used to determine if this method is a direct, static, or 1529ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // virtual method. 1539ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Method* ResolveMethod(const DexFile& dex_file, 1549ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom uint32_t method_idx, 1559ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* dex_cache, 1569ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader, 15720cfffabdc9e02b2df798bc4e6b6035d14bf4e36Brian Carlstrom bool is_direct); 1589ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 159161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom Method* ResolveMethod(uint32_t method_idx, const Method* referrer, bool is_direct) { 160caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Method* resolved_method = referrer->GetDexCacheResolvedMethods()->Get(method_idx); 161caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers if (UNLIKELY(resolved_method == NULL)) { 162caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* declaring_class = referrer->GetDeclaringClass(); 163caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 164caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const ClassLoader* class_loader = declaring_class->GetClassLoader(); 165caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const DexFile& dex_file = FindDexFile(dex_cache); 166caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers resolved_method = ResolveMethod(dex_file, method_idx, dex_cache, class_loader, is_direct); 167caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers } 168caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers return resolved_method; 169161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom } 170161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom 171845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom Field* ResolveField(uint32_t field_idx, const Method* referrer, bool is_static) { 172caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Field* resolved_field = referrer->GetDexCacheResolvedFields()->Get(field_idx); 173caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers if (UNLIKELY(resolved_field == NULL)) { 174caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers Class* declaring_class = referrer->GetDeclaringClass(); 175caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 176caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const ClassLoader* class_loader = declaring_class->GetClassLoader(); 177caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers const DexFile& dex_file = FindDexFile(dex_cache); 178caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers resolved_field = ResolveField(dex_file, field_idx, dex_cache, class_loader, is_static); 179caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers } 180caab8c4ef372db5c119bfac1911fa27b174a935cIan Rogers return resolved_field; 181b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom } 182b9edb841423dfe60e193fcffd25994398c91baa2Brian Carlstrom 183161928613d3f097108319de60494fab1aab8d48aBrian Carlstrom // Resolve a field with a given ID from the DexFile, storing the 1849ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // result in DexCache. The ClassLinker and ClassLoader are used as 1859ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // in ResolveType. What is unique is the is_static argument which is 1869ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // used to determine if we are resolving a static or non-static 1879ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom // field. 1889ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom Field* ResolveField(const DexFile& dex_file, 1899ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom uint32_t field_idx, 1909ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* dex_cache, 1919ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader, 1929ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom bool is_static); 1939ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 194b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers Field* ResolveFieldJLS(uint32_t field_idx, const Method* referrer) { 195b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers Field* resolved_field = referrer->GetDexCacheResolvedFields()->Get(field_idx); 196b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers if (UNLIKELY(resolved_field == NULL)) { 197b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers Class* declaring_class = referrer->GetDeclaringClass(); 198b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers DexCache* dex_cache = declaring_class->GetDexCache(); 199b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers const ClassLoader* class_loader = declaring_class->GetClassLoader(); 200b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers const DexFile& dex_file = FindDexFile(dex_cache); 201b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers resolved_field = ResolveFieldJLS(dex_file, field_idx, dex_cache, class_loader); 202b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers } 203b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers return resolved_field; 204b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers } 205b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers 206b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers // Resolve a field with a given ID from the DexFile, storing the 207b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers // result in DexCache. The ClassLinker and ClassLoader are used as 208b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers // in ResolveType. No is_static argument is provided so that Java 209b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers // field resolution semantics are followed. 210b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers Field* ResolveFieldJLS(const DexFile& dex_file, 211b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers uint32_t field_idx, 212b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers DexCache* dex_cache, 213b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers const ClassLoader* class_loader); 214b067ac2fe225c76fc9eb9434ef62cbb797bfa425Ian Rogers 215ad25ac568407ceb14334e8551dd1c4dd0fd6993cIan Rogers // Get shorty from method index without resolution. Used to do handlerization. 216ad25ac568407ceb14334e8551dd1c4dd0fd6993cIan Rogers const char* MethodShorty(uint32_t method_idx, Method* referrer); 217ad25ac568407ceb14334e8551dd1c4dd0fd6993cIan Rogers 218f4c21c9f6440c3980c47a297519f758796dbc039Elliott Hughes // Returns true on success, false if there's an exception pending. 21925c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom // can_run_clinit=false allows the compiler to attempt to init a class, 22025c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom // given the restriction that no <clinit> execution is possible. 22125c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom bool EnsureInitialized(Class* c, bool can_run_clinit); 2220e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 2232a20cfd0b7fc81099f5de0da782ebcc1cb262792Elliott Hughes // Initializes classes that have instances in the image but that have 2242a20cfd0b7fc81099f5de0da782ebcc1cb262792Elliott Hughes // <clinit> methods so they could not be initialized by the compiler. 2252a20cfd0b7fc81099f5de0da782ebcc1cb262792Elliott Hughes void RunRootClinits(); 2262a20cfd0b7fc81099f5de0da782ebcc1cb262792Elliott Hughes 2279ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void RegisterDexFile(const DexFile& dex_file); 22840381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void RegisterDexFile(const DexFile& dex_file, SirtRef<DexCache>& dex_cache); 2290e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 230866c8627626b7c47fb69b498b341772d7dfa7f60Brian Carlstrom void RegisterOatFile(const OatFile& oat_file); 231866c8627626b7c47fb69b498b341772d7dfa7f60Brian Carlstrom 2328a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom const std::vector<const DexFile*>& GetBootClassPath() { 2338a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom return boot_class_path_; 2348a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom } 2358a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom 236a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes void VisitClasses(ClassVisitor* visitor, void* arg) const; 237a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 238410c0c876f326e14c176a39ba21fc4dd3f7db8abElliott Hughes void VisitRoots(Heap::RootVisitor* visitor, void* arg) const; 23975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 240c143c55718342519db5398e41dda31422cf16c79buzbee const DexFile& FindDexFile(const DexCache* dex_cache) const; 2419ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* FindDexCache(const DexFile& dex_file) const; 242aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom bool IsDexFileRegistered(const DexFile& dex_file) const; 2431d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom 244262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao // Generate an oat file from a dex file 245d601af8d9549ca95a911afb2fc67c4e562da661fBrian Carlstrom bool GenerateOatFile(const std::string& dex_filename, 246d601af8d9549ca95a911afb2fc67c4e562da661fBrian Carlstrom int oat_fd, 247d601af8d9549ca95a911afb2fc67c4e562da661fBrian Carlstrom const std::string& oat_cache_filename); 248262bf46ddc91e5b4fbd367127ff21a1877d939f2jeffhao 2491d9f52b7ca91c6d30b7acfac1c9ab24d93fff470Brian Carlstrom // Find, possibily opening, an OatFile corresponding to a DexFile 250ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const OatFile* FindOatFileForDexFile(const DexFile& dex_file); 251ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const OatFile* FindOatFileFromOatLocation(const std::string& location); 252c143c55718342519db5398e41dda31422cf16c79buzbee 253418d20fc407052d4152157f61e7453359f902383Elliott Hughes // TODO: replace this with multiple methods that allocate the correct managed type. 2544417536522fd2a9d8215d8672331984769c9520bShih-wei Liao template <class T> 2554417536522fd2a9d8215d8672331984769c9520bShih-wei Liao ObjectArray<T>* AllocObjectArray(size_t length) { 2564417536522fd2a9d8215d8672331984769c9520bShih-wei Liao return ObjectArray<T>::Alloc(GetClassRoot(kObjectArrayClass), length); 2574417536522fd2a9d8215d8672331984769c9520bShih-wei Liao } 2584417536522fd2a9d8215d8672331984769c9520bShih-wei Liao 259418d20fc407052d4152157f61e7453359f902383Elliott Hughes ObjectArray<Class>* AllocClassArray(size_t length) { 260418d20fc407052d4152157f61e7453359f902383Elliott Hughes return ObjectArray<Class>::Alloc(GetClassRoot(kClassArrayClass), length); 261418d20fc407052d4152157f61e7453359f902383Elliott Hughes } 262418d20fc407052d4152157f61e7453359f902383Elliott Hughes 26355df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao ObjectArray<StackTraceElement>* AllocStackTraceElementArray(size_t length); 26455df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao 26598eacac683b78e60799323e8c7d59e7214808639jeffhao void VerifyClass(Class* klass); 266e7d856b911222aa000ca2be0f8f63f5b292141c3Brian Carlstrom bool VerifyClassUsingOatFile(const DexFile& dex_file, Class* klass); 267e7d856b911222aa000ca2be0f8f63f5b292141c3Brian Carlstrom void ResolveClassExceptionHandlerTypes(const DexFile& dex_file, Class* klass); 268e7d856b911222aa000ca2be0f8f63f5b292141c3Brian Carlstrom void ResolveMethodExceptionHandlerTypes(const DexFile& dex_file, Method* klass); 26998eacac683b78e60799323e8c7d59e7214808639jeffhao 27095caa791e560da97363c0c0d22bfda4a7e7377c3Jesse Wilson Class* CreateProxyClass(String* name, ObjectArray<Class>* interfaces, ClassLoader* loader, 2716d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers ObjectArray<Method>* methods, ObjectArray<ObjectArray<Class> >* throws); 2726d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers std::string GetDescriptorForProxy(const Class* proxy_class); 27395caa791e560da97363c0c0d22bfda4a7e7377c3Jesse Wilson 27447d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom pid_t GetClassesLockOwner(); // For SignalCatcher. 27547d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom pid_t GetDexLockOwner(); // For SignalCatcher. 27624a3c2e9924e8765c4a9b4d383cb8f3b922f9c9fBrian Carlstrom 2770e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro private: 2784dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes explicit ClassLinker(InternTable*); 27961e019d291583029c01b61b93bea750f2b663c37Carl Shapiro 28058ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom // Initialize class linker by bootstraping from dex files 28158ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom void Init(const std::string& boot_class_path); 28261e019d291583029c01b61b93bea750f2b663c37Carl Shapiro 28358ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom // Initialize class linker from one or more images. 28458ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom void InitFromImage(); 28558ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom OatFile* OpenOat(const Space* space); 28678128a63b2615744760b7f8ab83df9764a5d4a95Brian Carlstrom static void InitFromImageCallback(Object* obj, void* arg); 287c74255fffb035001304c9a058a2e730a5a1a9604Brian Carlstrom struct InitFromImageCallbackState; 288a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 289a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom void FinishInit(); 290a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 29175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // For early bootstrapping by Init 2924873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom Class* AllocClass(Class* java_lang_Class, size_t class_size); 29375cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 29475cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // Alloc* convenience functions to avoid needing to pass in Class* 29575cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // values that are known to the ClassLinker such as 29675cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom // kObjectArrayClass and kJavaLangString etc. 2974873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom Class* AllocClass(size_t class_size); 2989ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom DexCache* AllocDexCache(const DexFile& dex_file); 29935baaab2a79014f35e225b189f6dbec1b4ba9542Jesse Wilson Field* AllocField(); 300bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers 30175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom Method* AllocMethod(); 302bdb0391258abc54bf77c676e36847d28a783bfe5Ian Rogers 3039cc262e2ad5cb507c21cc83b8dc954e9354a469cBrian Carlstrom CodeAndDirectMethods* AllocCodeAndDirectMethods(size_t length); 3044b620ffb1b4d0c96a94bb3afe314f35d53990ec6Brian Carlstrom InterfaceEntry* AllocInterfaceEntry(Class* interface); 30575cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 3066b4ef025af12b158d117fc80fc79acf620f411a0Brian Carlstrom Class* CreatePrimitiveClass(const char* descriptor, Primitive::Type type) { 3075b8e4c810a97c9dc417142b8c6e07871ae15c797Brian Carlstrom return InitializePrimitiveClass(AllocClass(sizeof(Class)), descriptor, type); 3085b8e4c810a97c9dc417142b8c6e07871ae15c797Brian Carlstrom } 3095b8e4c810a97c9dc417142b8c6e07871ae15c797Brian Carlstrom Class* InitializePrimitiveClass(Class* primitive_class, 3105b8e4c810a97c9dc417142b8c6e07871ae15c797Brian Carlstrom const char* descriptor, 3116b4ef025af12b158d117fc80fc79acf620f411a0Brian Carlstrom Primitive::Type type); 3125b8e4c810a97c9dc417142b8c6e07871ae15c797Brian Carlstrom 313a331b3cc392132c7333d36649a8310f38f4822ccBrian Carlstrom 314c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughes Class* CreateArrayClass(const std::string& descriptor, const ClassLoader* class_loader); 315578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 3169ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom void AppendToBootClassPath(const DexFile& dex_file); 31740381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void AppendToBootClassPath(const DexFile& dex_file, SirtRef<DexCache>& dex_cache); 318578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 3195fe594f576225dd7d333835e39c448a71ea9b433Elliott Hughes void ConstructFieldMap(const DexFile& dex_file, const DexFile::ClassDef& dex_class_def, 3200571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers Class* c, std::map<uint32_t, Field*>& field_map); 3215fe594f576225dd7d333835e39c448a71ea9b433Elliott Hughes 3224873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom size_t SizeOfClass(const DexFile& dex_file, 3234873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom const DexFile::ClassDef& dex_class_def); 3244873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom 325f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom void LoadClass(const DexFile& dex_file, 326f615a61aef972cfc1dc23931ac2ed0da14c3fedbBrian Carlstrom const DexFile::ClassDef& dex_class_def, 32740381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom SirtRef<Class>& klass, 3289ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom const ClassLoader* class_loader); 329565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 3300571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers void LoadField(const DexFile& dex_file, const ClassDataItemIterator& it, SirtRef<Class>& klass, 33140381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom SirtRef<Field>& dst); 332934486cf07c578b6494417ca5dcbae89cf04b019Brian Carlstrom 3330571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers void LoadMethod(const DexFile& dex_file, const ClassDataItemIterator& dex_method, 3340571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers SirtRef<Class>& klass, SirtRef<Method>& dst); 335934486cf07c578b6494417ca5dcbae89cf04b019Brian Carlstrom 33607bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom // Attempts to insert a class into a class table. Returns NULL if 33707bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom // the class was inserted, otherwise returns an existing class with 33807bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom // the same descriptor and ClassLoader. 33907bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom Class* InsertClass(const StringPiece& descriptor, Class* klass, bool image_class); 340aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 34140381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void RegisterDexFileLocked(const DexFile& dex_file, SirtRef<DexCache>& dex_cache); 342aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom bool IsDexFileRegisteredLocked(const DexFile& dex_file) const; 343866c8627626b7c47fb69b498b341772d7dfa7f60Brian Carlstrom void RegisterOatFileLocked(const OatFile& oat_file); 344aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 345d1422f81bf9b35cb2aad3fb5615d3f5209014709Brian Carlstrom bool InitializeClass(Class* klass, bool can_run_clinit); 346d1422f81bf9b35cb2aad3fb5615d3f5209014709Brian Carlstrom bool WaitForInitializeClass(Class* klass, Thread* self, ObjectLock& lock); 347d1422f81bf9b35cb2aad3fb5615d3f5209014709Brian Carlstrom bool ValidateSuperClassDescriptors(const Class* klass); 34825c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom bool InitializeSuperClass(Class* klass, bool can_run_clinit); 3490e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro void InitializeStaticFields(Class* klass); 3500e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 351595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers bool IsSameDescriptorInDifferentClassContexts(const char* descriptor, 352595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers const Class* klass1, 353595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers const Class* klass2); 3540e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 355595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers bool IsSameMethodSignatureInDifferentClassContexts(const Method* descriptor, 356595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers const Class* klass1, 357595799e000e95f999a6fd4ac3d32f2f2a16f9947Ian Rogers const Class* klass2); 3580e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 359c2b4447ae9c0c1e77595620acac6508999df6698Ian Rogers bool LinkClass(SirtRef<Class>& klass, ObjectArray<Class>* interfaces); 3600e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 36140381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LinkSuperClass(SirtRef<Class>& klass); 3620e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 36340381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LoadSuperAndInterfaces(SirtRef<Class>& klass, const DexFile& dex_file); 3640e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 3656d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers bool LinkMethods(SirtRef<Class>& klass, ObjectArray<Class>* interfaces); 3660e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 36740381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LinkVirtualMethods(SirtRef<Class>& klass); 3680e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 3696d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers bool LinkInterfaceMethods(SirtRef<Class>& klass, ObjectArray<Class>* interfaces); 3700e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 37140381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LinkStaticFields(SirtRef<Class>& klass); 37240381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LinkInstanceFields(SirtRef<Class>& klass); 37340381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom bool LinkFields(SirtRef<Class>& klass, bool is_static); 3740cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers 3754873d465a1eb6dfbdeddb085c81239d39db60c42Brian Carlstrom 37640381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void CreateReferenceInstanceOffsets(SirtRef<Class>& klass); 37740381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void CreateReferenceStaticOffsets(SirtRef<Class>& klass); 37840381fb9dc4b4cf274f1e58b2cdf4396202c6189Brian Carlstrom void CreateReferenceOffsets(SirtRef<Class>& klass, bool is_static, 3790cfe1fb7060576d047f7f894fc0d8b87de84fcabIan Rogers uint32_t reference_offsets); 3800e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 38158ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom // For use by ImageWriter to find DexCaches for its roots 38258ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom const std::vector<DexCache*>& GetDexCaches() { 38358ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom return dex_caches_; 38458ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom } 38558ae9416e197ae68ed12ed43d87407d4dfb15093Brian Carlstrom 386ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const OatFile* FindOpenedOatFileForDexFile(const DexFile& dex_file); 387ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const OatFile* FindOpenedOatFileFromOatLocation(const std::string& oat_location); 388fad714344ca81a21e775ef45ae09d9a035723cafBrian Carlstrom 3896d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers Method* CreateProxyConstructor(SirtRef<Class>& klass, Class* proxy_class); 3906d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers Method* CreateProxyMethod(SirtRef<Class>& klass, SirtRef<Method>& prototype); 39195caa791e560da97363c0c0d22bfda4a7e7377c3Jesse Wilson 3924a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom std::vector<const DexFile*> boot_class_path_; 393578bbdc684db8ed68e9fedbc678669d27fa68b6eBrian Carlstrom 3944a96b60e45fba4a9d4a2e9c8fc849660eacef684Brian Carlstrom std::vector<const DexFile*> dex_files_; 3957e49dca262933bc30cbc8b9f07cfc8cce2343389Brian Carlstrom std::vector<DexCache*> dex_caches_; 39647d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom std::vector<const OatFile*> oat_files_; 39747d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom // lock to protect concurrent access to dex_files_, dex_caches_, and oat_files_ 39847d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom mutable Mutex dex_lock_; 39947d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom 4000e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 401aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom // multimap from a string hash code of a class descriptor to 4029cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom // Class* instances. Results should be compared for a matching 4039cff8e13d41825c4f3f0127af061e94b06114fc8Brian Carlstrom // Class::descriptor_ and Class::class_loader_. 40447d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom // Protected by classes_lock_ 405e5448b5a12003b405b22cde3b94f962ab4888a87Elliott Hughes typedef std::multimap<size_t, Class*> Table; 40607bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom Class* LookupClass(const char* descriptor, const ClassLoader* class_loader, 40707bb855daaad20f2d300418cee5a2d977758a3a1Brian Carlstrom size_t hash, const Table& classes); 4085d76c435082332ef79a22962386fa92a0870e378Ian Rogers Table image_classes_; 4090e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro Table classes_; 41047d237a4b1a41772005c60083e72fe75c0aa0743Brian Carlstrom mutable Mutex classes_lock_; 4110e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 412a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // indexes into class_roots_. 413a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom // needs to be kept in sync with class_roots_descriptors_. 41474eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom enum ClassRoot { 41575cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangClass, 41675cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangObject, 417418d20fc407052d4152157f61e7453359f902383Elliott Hughes kClassArrayClass, 41874eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kObjectArrayClass, 41974eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kJavaLangString, 420bf61ba3dcd9d9895b86a05e88762ff034b09b263Elliott Hughes kJavaLangRefReference, 4218060925c45cc2607ab92390d7366c6c0cfdfe4bbElliott Hughes kJavaLangReflectConstructor, 42275cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangReflectField, 42375cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kJavaLangReflectMethod, 424466bb25416b88fabd5d4387b7c7e5cc1ece78b8cIan Rogers kJavaLangReflectProxy, 42574eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kJavaLangClassLoader, 42674eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kDalvikSystemBaseDexClassLoader, 42774eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom kDalvikSystemPathClassLoader, 42855df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao kJavaLangStackTraceElement, 42975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveBoolean, 430d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveByte, 43175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveChar, 43275cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveDouble, 433d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveFloat, 43475cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveInt, 43575cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveLong, 436d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kPrimitiveShort, 43775cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kPrimitiveVoid, 438d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kBooleanArrayClass, 439d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kByteArrayClass, 440d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kCharArrayClass, 441d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kDoubleArrayClass, 442d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kFloatArrayClass, 443d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kIntArrayClass, 444d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kLongArrayClass, 445d8ddfd5eadde1d5f53ef1419f529c799233eaa62Elliott Hughes kShortArrayClass, 44655df06be4369f5d8ab5eb61a5d22809255171036Shih-wei Liao kJavaLangStackTraceElementArrayClass, 44775cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom kClassRootsMax, 44875cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom }; 44975cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom ObjectArray<Class>* class_roots_; 450913af1bd90a6e8fd56f1f851db1f098636dae6a5Brian Carlstrom 45174eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom Class* GetClassRoot(ClassRoot class_root) { 452a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom DCHECK(class_roots_ != NULL); 45374eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom Class* klass = class_roots_->Get(class_root); 45474eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom DCHECK(klass != NULL); 45574eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom return klass; 45674eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom } 45774eb46ab15c5b9cb39bf15246db84aea7fd4cc27Brian Carlstrom 4586d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers void SetClassRoot(ClassRoot class_root, Class* klass); 459a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 46034f426c49ac2de8cea70acef6b9ecdd8e62209d2Brian Carlstrom ObjectArray<Class>* GetClassRoots() { 46134f426c49ac2de8cea70acef6b9ecdd8e62209d2Brian Carlstrom DCHECK(class_roots_ != NULL); 46234f426c49ac2de8cea70acef6b9ecdd8e62209d2Brian Carlstrom return class_roots_; 46334f426c49ac2de8cea70acef6b9ecdd8e62209d2Brian Carlstrom } 46434f426c49ac2de8cea70acef6b9ecdd8e62209d2Brian Carlstrom 465418d20fc407052d4152157f61e7453359f902383Elliott Hughes static const char* class_roots_descriptors_[]; 466a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 467a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom const char* GetClassRootDescriptor(ClassRoot class_root) { 468a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom const char* descriptor = class_roots_descriptors_[class_root]; 469a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom CHECK(descriptor != NULL); 470a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom return descriptor; 471a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom } 472a663ea5de4c9ab6b1510fdebd6d8eca77ba699aeBrian Carlstrom 4734b620ffb1b4d0c96a94bb3afe314f35d53990ec6Brian Carlstrom ObjectArray<InterfaceEntry>* array_iftable_; 474565f50731db360584d0080af7f14f0b7ca10371cCarl Shapiro 47575cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom bool init_done_; 47675cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom 477cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes InternTable* intern_table_; 478cf4c6c41b0084dc4567ff709fb8ce9ebd72b26acElliott Hughes 479f734cf55d510976f4862b15e35fc86eae2a3daf8Brian Carlstrom friend class CommonTest; 480ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom friend class ImageWriter; // for GetClassRoots 48175cb3b477be3757a0351fb6ab1cb70751a71e2bfBrian Carlstrom friend class ObjectTest; 4826d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers FRIEND_TEST(ClassLinkerTest, ClassRootDescriptors); 483ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom FRIEND_TEST(DexCacheTest, Open); 4841a18c8c1c0e4ea1ff06177e93c7ff703376dcee2Shih-wei Liao FRIEND_TEST(ExceptionTest, FindExceptionHandler); 485ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom FRIEND_TEST(ObjectTest, AllocObjectArray); 4860e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro DISALLOW_COPY_AND_ASSIGN(ClassLinker); 4870e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro}; 4880e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 4890e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro} // namespace art 4900e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro 4910e5d75d5ca2b8a44fab0c862276a466cbab39859Carl Shapiro#endif // ART_SRC_CLASS_LINKER_H_ 492