Elliott Hughes | 418d20f | 2011-09-22 14:00:39 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 16 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 17 | #ifndef ART_RUNTIME_CLASS_LINKER_H_ |
| 18 | #define ART_RUNTIME_CLASS_LINKER_H_ |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 19 | |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 20 | #include <set> |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 21 | #include <string> |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 22 | #include <unordered_map> |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 23 | #include <unordered_set> |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 24 | #include <utility> |
| 25 | #include <vector> |
| 26 | |
Mathieu Chartier | bad0267 | 2014-08-25 13:08:22 -0700 | [diff] [blame] | 27 | #include "base/allocator.h" |
Mathieu Chartier | c2e2062 | 2014-11-03 11:41:47 -0800 | [diff] [blame] | 28 | #include "base/hash_set.h" |
Elliott Hughes | 7616005 | 2012-12-12 16:31:20 -0800 | [diff] [blame] | 29 | #include "base/macros.h" |
Elliott Hughes | 76b6167 | 2012-12-12 17:47:30 -0800 | [diff] [blame] | 30 | #include "base/mutex.h" |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 31 | #include "class_table.h" |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 32 | #include "dex_cache_resolved_classes.h" |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 33 | #include "dex_file.h" |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 34 | #include "gc_root.h" |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 35 | #include "jni.h" |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 36 | #include "oat_file.h" |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 37 | #include "object_callbacks.h" |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 38 | |
| 39 | namespace art { |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 40 | |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 41 | namespace gc { |
| 42 | namespace space { |
| 43 | class ImageSpace; |
| 44 | } // namespace space |
| 45 | } // namespace gc |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 46 | namespace mirror { |
Ian Rogers | 33e9566 | 2013-05-20 20:29:14 -0700 | [diff] [blame] | 47 | class ClassLoader; |
| 48 | class DexCache; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 49 | class DexCachePointerArray; |
Ian Rogers | 33e9566 | 2013-05-20 20:29:14 -0700 | [diff] [blame] | 50 | class DexCacheTest_Open_Test; |
| 51 | class IfTable; |
| 52 | template<class T> class ObjectArray; |
| 53 | class StackTraceElement; |
| 54 | } // namespace mirror |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 55 | |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 56 | class ImtConflictTable; |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 57 | template<class T> class Handle; |
Hiroshi Yamauchi | 679b1cf | 2015-05-21 12:05:27 -0700 | [diff] [blame] | 58 | template<class T> class MutableHandle; |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 59 | class InternTable; |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 60 | template<class T> class ObjectLock; |
Andreas Gampe | 7ba6496 | 2014-10-23 11:37:40 -0700 | [diff] [blame] | 61 | class Runtime; |
Mathieu Chartier | 2b7c4d1 | 2014-05-19 10:52:16 -0700 | [diff] [blame] | 62 | class ScopedObjectAccessAlreadyRunnable; |
Mathieu Chartier | 2d2621a | 2014-10-23 16:48:06 -0700 | [diff] [blame] | 63 | template<size_t kNumReferences> class PACKED(4) StackHandleScope; |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 64 | |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 65 | enum VisitRootFlags : uint8_t; |
| 66 | |
Mathieu Chartier | 1aa8ec2 | 2016-02-01 10:34:47 -0800 | [diff] [blame] | 67 | class ClassVisitor { |
| 68 | public: |
| 69 | virtual ~ClassVisitor() {} |
| 70 | // Return true to continue visiting. |
| 71 | virtual bool operator()(mirror::Class* klass) = 0; |
| 72 | }; |
| 73 | |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 74 | class ClassLoaderVisitor { |
| 75 | public: |
| 76 | virtual ~ClassLoaderVisitor() {} |
| 77 | virtual void Visit(mirror::ClassLoader* class_loader) |
| 78 | SHARED_REQUIRES(Locks::classlinker_classes_lock_, Locks::mutator_lock_) = 0; |
| 79 | }; |
| 80 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 81 | class ClassLinker { |
| 82 | public: |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 83 | // Well known mirror::Class roots accessed via GetClassRoot. |
| 84 | enum ClassRoot { |
| 85 | kJavaLangClass, |
| 86 | kJavaLangObject, |
| 87 | kClassArrayClass, |
| 88 | kObjectArrayClass, |
| 89 | kJavaLangString, |
| 90 | kJavaLangDexCache, |
| 91 | kJavaLangRefReference, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 92 | kJavaLangReflectConstructor, |
Mathieu Chartier | daaf326 | 2015-03-24 13:30:28 -0700 | [diff] [blame] | 93 | kJavaLangReflectField, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 94 | kJavaLangReflectMethod, |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 95 | kJavaLangReflectProxy, |
| 96 | kJavaLangStringArrayClass, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 97 | kJavaLangReflectConstructorArrayClass, |
Mathieu Chartier | daaf326 | 2015-03-24 13:30:28 -0700 | [diff] [blame] | 98 | kJavaLangReflectFieldArrayClass, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 99 | kJavaLangReflectMethodArrayClass, |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 100 | kJavaLangClassLoader, |
| 101 | kJavaLangThrowable, |
| 102 | kJavaLangClassNotFoundException, |
| 103 | kJavaLangStackTraceElement, |
| 104 | kPrimitiveBoolean, |
| 105 | kPrimitiveByte, |
| 106 | kPrimitiveChar, |
| 107 | kPrimitiveDouble, |
| 108 | kPrimitiveFloat, |
| 109 | kPrimitiveInt, |
| 110 | kPrimitiveLong, |
| 111 | kPrimitiveShort, |
| 112 | kPrimitiveVoid, |
| 113 | kBooleanArrayClass, |
| 114 | kByteArrayClass, |
| 115 | kCharArrayClass, |
| 116 | kDoubleArrayClass, |
| 117 | kFloatArrayClass, |
| 118 | kIntArrayClass, |
| 119 | kLongArrayClass, |
| 120 | kShortArrayClass, |
| 121 | kJavaLangStackTraceElementArrayClass, |
| 122 | kClassRootsMax, |
| 123 | }; |
| 124 | |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 125 | explicit ClassLinker(InternTable* intern_table); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 126 | ~ClassLinker(); |
Carl Shapiro | 565f507 | 2011-07-10 13:39:43 -0700 | [diff] [blame] | 127 | |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 128 | // Initialize class linker by bootstraping from dex files. |
Andreas Gampe | 3db9c5d | 2015-11-17 11:52:46 -0800 | [diff] [blame] | 129 | bool InitWithoutImage(std::vector<std::unique_ptr<const DexFile>> boot_class_path, |
| 130 | std::string* error_msg) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 131 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 132 | REQUIRES(!dex_lock_); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 133 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 134 | // Initialize class linker from one or more boot images. |
| 135 | bool InitFromBootImage(std::string* error_msg) |
Andreas Gampe | 3db9c5d | 2015-11-17 11:52:46 -0800 | [diff] [blame] | 136 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 137 | REQUIRES(!dex_lock_); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 138 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 139 | // Add an image space to the class linker, may fix up classloader fields and dex cache fields. |
| 140 | // The dex files that were newly opened for the space are placed in the out argument |
| 141 | // out_dex_files. Returns true if the operation succeeded. |
| 142 | // The space must be already added to the heap before calling AddImageSpace since we need to |
| 143 | // properly handle read barriers and object marking. |
| 144 | bool AddImageSpace(gc::space::ImageSpace* space, |
| 145 | Handle<mirror::ClassLoader> class_loader, |
| 146 | jobjectArray dex_elements, |
| 147 | const char* dex_location, |
| 148 | std::vector<std::unique_ptr<const DexFile>>* out_dex_files, |
| 149 | std::string* error_msg) |
| 150 | REQUIRES(!dex_lock_) |
| 151 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 152 | |
Mathieu Chartier | 0b4cbd0 | 2016-03-08 16:49:58 -0800 | [diff] [blame] | 153 | bool OpenImageDexFiles(gc::space::ImageSpace* space, |
| 154 | std::vector<std::unique_ptr<const DexFile>>* out_dex_files, |
| 155 | std::string* error_msg) |
| 156 | REQUIRES(!dex_lock_) |
| 157 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 158 | |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 159 | // Finds a class by its descriptor, loading it if necessary. |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 160 | // If class_loader is null, searches boot_class_path_. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 161 | mirror::Class* FindClass(Thread* self, |
| 162 | const char* descriptor, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 163 | Handle<mirror::ClassLoader> class_loader) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 164 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 165 | REQUIRES(!dex_lock_); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 166 | |
Andreas Gampe | f865ea9 | 2015-04-13 22:14:19 -0700 | [diff] [blame] | 167 | // Finds a class in the path class loader, loading it if necessary without using JNI. Hash |
| 168 | // function is supposed to be ComputeModifiedUtf8Hash(descriptor). Returns true if the |
| 169 | // class-loader chain could be handled, false otherwise, i.e., a non-supported class-loader |
| 170 | // was encountered while walking the parent chain (currently only BootClassLoader and |
| 171 | // PathClassLoader are supported). |
| 172 | bool FindClassInPathClassLoader(ScopedObjectAccessAlreadyRunnable& soa, |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 173 | Thread* self, |
| 174 | const char* descriptor, |
| 175 | size_t hash, |
Andreas Gampe | f865ea9 | 2015-04-13 22:14:19 -0700 | [diff] [blame] | 176 | Handle<mirror::ClassLoader> class_loader, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 177 | mirror::Class** result) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 178 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 179 | REQUIRES(!dex_lock_); |
Mathieu Chartier | ab0ed82 | 2014-09-11 14:21:41 -0700 | [diff] [blame] | 180 | |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 181 | // Finds a class by its descriptor using the "system" class loader, ie by searching the |
| 182 | // boot_class_path_. |
| 183 | mirror::Class* FindSystemClass(Thread* self, const char* descriptor) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 184 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 185 | REQUIRES(!dex_lock_); |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 186 | |
| 187 | // Finds the array class given for the element class. |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 188 | mirror::Class* FindArrayClass(Thread* self, mirror::Class** element_class) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 189 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 190 | REQUIRES(!dex_lock_); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 191 | |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 192 | // Returns true if the class linker is initialized. |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 193 | bool IsInitialized() const { |
| 194 | return init_done_; |
| 195 | } |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 196 | |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 197 | // Define a new a class based on a ClassDef from a DexFile |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 198 | mirror::Class* DefineClass(Thread* self, |
| 199 | const char* descriptor, |
| 200 | size_t hash, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 201 | Handle<mirror::ClassLoader> class_loader, |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 202 | const DexFile& dex_file, |
| 203 | const DexFile::ClassDef& dex_class_def) |
| 204 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 205 | REQUIRES(!dex_lock_); |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 206 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 207 | // Finds a class by its descriptor, returning null if it isn't wasn't loaded |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 208 | // by the given 'class_loader'. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 209 | mirror::Class* LookupClass(Thread* self, |
| 210 | const char* descriptor, |
| 211 | size_t hash, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 212 | mirror::ClassLoader* class_loader) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 213 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 214 | SHARED_REQUIRES(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 215 | |
Elliott Hughes | 6fa602d | 2011-12-02 17:54:25 -0800 | [diff] [blame] | 216 | // Finds all the classes with the given descriptor, regardless of ClassLoader. |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 217 | void LookupClasses(const char* descriptor, std::vector<mirror::Class*>& classes) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 218 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 219 | SHARED_REQUIRES(Locks::mutator_lock_); |
Elliott Hughes | 6fa602d | 2011-12-02 17:54:25 -0800 | [diff] [blame] | 220 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 221 | mirror::Class* FindPrimitiveClass(char type) SHARED_REQUIRES(Locks::mutator_lock_); |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 222 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 223 | // General class unloading is not supported, this is used to prune |
| 224 | // unwanted classes during image writing. |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 225 | bool RemoveClass(const char* descriptor, mirror::ClassLoader* class_loader) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 226 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 227 | SHARED_REQUIRES(Locks::mutator_lock_); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 228 | |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 229 | void DumpAllClasses(int flags) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 230 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 231 | SHARED_REQUIRES(Locks::mutator_lock_); |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 232 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 233 | void DumpForSigQuit(std::ostream& os) REQUIRES(!Locks::classlinker_classes_lock_); |
Elliott Hughes | cac6cc7 | 2011-11-03 20:31:21 -0700 | [diff] [blame] | 234 | |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 235 | size_t NumLoadedClasses() |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 236 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 237 | SHARED_REQUIRES(Locks::mutator_lock_); |
Elliott Hughes | e27955c | 2011-08-26 15:21:24 -0700 | [diff] [blame] | 238 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 239 | // Resolve a String with the given index from the DexFile, storing the |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 240 | // result in the DexCache. The referrer is used to identify the |
| 241 | // target DexCache and ClassLoader to use for resolution. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 242 | mirror::String* ResolveString(uint32_t string_idx, ArtMethod* referrer) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 243 | SHARED_REQUIRES(Locks::mutator_lock_); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 244 | |
| 245 | // Resolve a String with the given index from the DexFile, storing the |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 246 | // result in the DexCache. |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 247 | mirror::String* ResolveString(const DexFile& dex_file, uint32_t string_idx, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 248 | Handle<mirror::DexCache> dex_cache) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 249 | SHARED_REQUIRES(Locks::mutator_lock_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 250 | |
Vladimir Marko | cac5a7e | 2016-02-22 10:39:50 +0000 | [diff] [blame] | 251 | // Find a String with the given index from the DexFile, storing the |
| 252 | // result in the DexCache if found. Return null if not found. |
| 253 | mirror::String* LookupString(const DexFile& dex_file, uint32_t string_idx, |
| 254 | Handle<mirror::DexCache> dex_cache) |
| 255 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 256 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 257 | // Resolve a Type with the given index from the DexFile, storing the |
Roland Levillain | ab880f4 | 2016-05-12 16:24:36 +0100 | [diff] [blame] | 258 | // result in the DexCache. The referrer is used to identify the |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 259 | // target DexCache and ClassLoader to use for resolution. |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 260 | mirror::Class* ResolveType(const DexFile& dex_file, uint16_t type_idx, mirror::Class* referrer) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 261 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 262 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 263 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 264 | // Resolve a Type with the given index from the DexFile, storing the |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 265 | // result in the DexCache. The referrer is used to identify the |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 266 | // target DexCache and ClassLoader to use for resolution. |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 267 | mirror::Class* ResolveType(uint16_t type_idx, ArtMethod* referrer) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 268 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 269 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 270 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 271 | mirror::Class* ResolveType(uint16_t type_idx, ArtField* referrer) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 272 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 273 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 274 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 275 | // Resolve a type with the given ID from the DexFile, storing the |
| 276 | // result in DexCache. The ClassLoader is used to search for the |
| 277 | // type, since it may be referenced from but not contained within |
| 278 | // the given DexFile. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 279 | mirror::Class* ResolveType(const DexFile& dex_file, |
| 280 | uint16_t type_idx, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 281 | Handle<mirror::DexCache> dex_cache, |
| 282 | Handle<mirror::ClassLoader> class_loader) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 283 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 284 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 285 | |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 286 | // Determine whether a dex cache result should be trusted, or an IncompatibleClassChangeError |
| 287 | // check should be performed even after a hit. |
| 288 | enum ResolveMode { // private. |
| 289 | kNoICCECheckForCache, |
| 290 | kForceICCECheck |
| 291 | }; |
| 292 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 293 | // Resolve a method with a given ID from the DexFile, storing the |
| 294 | // result in DexCache. The ClassLinker and ClassLoader are used as |
| 295 | // in ResolveType. What is unique is the method type argument which |
| 296 | // is used to determine if this method is a direct, static, or |
| 297 | // virtual method. |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 298 | template <ResolveMode kResolveMode> |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 299 | ArtMethod* ResolveMethod(const DexFile& dex_file, |
| 300 | uint32_t method_idx, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 301 | Handle<mirror::DexCache> dex_cache, |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 302 | Handle<mirror::ClassLoader> class_loader, |
| 303 | ArtMethod* referrer, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 304 | InvokeType type) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 305 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 306 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 307 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 308 | ArtMethod* GetResolvedMethod(uint32_t method_idx, ArtMethod* referrer) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 309 | SHARED_REQUIRES(Locks::mutator_lock_); |
Alex Light | fedd91d | 2016-01-07 14:49:16 -0800 | [diff] [blame] | 310 | |
| 311 | // This returns the class referred to by GetMethodId(method_idx).class_idx_. This might be |
| 312 | // different then the declaring class of the resolved method due to copied |
| 313 | // miranda/default/conflict methods. |
Nicolas Geoffray | 393fdb8 | 2016-04-25 14:58:06 +0100 | [diff] [blame] | 314 | mirror::Class* ResolveReferencedClassOfMethod(uint32_t method_idx, |
| 315 | Handle<mirror::DexCache> dex_cache, |
| 316 | Handle<mirror::ClassLoader> class_loader) |
Alex Light | fedd91d | 2016-01-07 14:49:16 -0800 | [diff] [blame] | 317 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 318 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 319 | template <ResolveMode kResolveMode> |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 320 | ArtMethod* ResolveMethod(Thread* self, uint32_t method_idx, ArtMethod* referrer, InvokeType type) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 321 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 322 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Jeff Hao | 0042c6d | 2015-07-29 20:14:10 -0700 | [diff] [blame] | 323 | ArtMethod* ResolveMethodWithoutInvokeType(const DexFile& dex_file, |
| 324 | uint32_t method_idx, |
| 325 | Handle<mirror::DexCache> dex_cache, |
| 326 | Handle<mirror::ClassLoader> class_loader) |
| 327 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 328 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 1619286 | 2011-09-12 17:50:06 -0700 | [diff] [blame] | 329 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 330 | ArtField* GetResolvedField(uint32_t field_idx, mirror::Class* field_declaring_class) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 331 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 332 | ArtField* GetResolvedField(uint32_t field_idx, mirror::DexCache* dex_cache) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 333 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 334 | ArtField* ResolveField(uint32_t field_idx, ArtMethod* referrer, bool is_static) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 335 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 336 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 337 | |
Brian Carlstrom | 1619286 | 2011-09-12 17:50:06 -0700 | [diff] [blame] | 338 | // Resolve a field with a given ID from the DexFile, storing the |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 339 | // result in DexCache. The ClassLinker and ClassLoader are used as |
| 340 | // in ResolveType. What is unique is the is_static argument which is |
| 341 | // used to determine if we are resolving a static or non-static |
| 342 | // field. |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 343 | ArtField* ResolveField(const DexFile& dex_file, uint32_t field_idx, |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 344 | Handle<mirror::DexCache> dex_cache, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 345 | Handle<mirror::ClassLoader> class_loader, bool is_static) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 346 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 347 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 348 | |
Ian Rogers | b067ac2 | 2011-12-13 18:05:09 -0800 | [diff] [blame] | 349 | // Resolve a field with a given ID from the DexFile, storing the |
| 350 | // result in DexCache. The ClassLinker and ClassLoader are used as |
| 351 | // in ResolveType. No is_static argument is provided so that Java |
| 352 | // field resolution semantics are followed. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 353 | ArtField* ResolveFieldJLS(const DexFile& dex_file, |
| 354 | uint32_t field_idx, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 355 | Handle<mirror::DexCache> dex_cache, |
| 356 | Handle<mirror::ClassLoader> class_loader) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 357 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 358 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Ian Rogers | b067ac2 | 2011-12-13 18:05:09 -0800 | [diff] [blame] | 359 | |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 360 | // Get shorty from method index without resolution. Used to do handlerization. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 361 | const char* MethodShorty(uint32_t method_idx, ArtMethod* referrer, uint32_t* length) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 362 | SHARED_REQUIRES(Locks::mutator_lock_); |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 363 | |
Elliott Hughes | f4c21c9 | 2011-08-19 17:31:31 -0700 | [diff] [blame] | 364 | // Returns true on success, false if there's an exception pending. |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 365 | // can_run_clinit=false allows the compiler to attempt to init a class, |
| 366 | // given the restriction that no <clinit> execution is possible. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 367 | bool EnsureInitialized(Thread* self, |
| 368 | Handle<mirror::Class> c, |
| 369 | bool can_init_fields, |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 370 | bool can_init_parents) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 371 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 372 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 373 | |
Elliott Hughes | 2a20cfd | 2011-09-23 19:30:41 -0700 | [diff] [blame] | 374 | // Initializes classes that have instances in the image but that have |
| 375 | // <clinit> methods so they could not be initialized by the compiler. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 376 | void RunRootClinits() |
| 377 | SHARED_REQUIRES(Locks::mutator_lock_) |
Mathieu Chartier | 4e2cb09 | 2015-07-22 16:17:51 -0700 | [diff] [blame] | 378 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Elliott Hughes | 2a20cfd | 2011-09-23 19:30:41 -0700 | [diff] [blame] | 379 | |
Mathieu Chartier | 696632e | 2016-06-03 17:47:32 -0700 | [diff] [blame] | 380 | mirror::DexCache* RegisterDexFile(const DexFile& dex_file, |
| 381 | mirror::ClassLoader* class_loader) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 382 | REQUIRES(!dex_lock_) |
| 383 | SHARED_REQUIRES(Locks::mutator_lock_); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 384 | void RegisterDexFile(const DexFile& dex_file, Handle<mirror::DexCache> dex_cache) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 385 | REQUIRES(!dex_lock_) |
| 386 | SHARED_REQUIRES(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 387 | |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 388 | const std::vector<const DexFile*>& GetBootClassPath() { |
| 389 | return boot_class_path_; |
| 390 | } |
| 391 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 392 | void VisitClasses(ClassVisitor* visitor) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 393 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 394 | SHARED_REQUIRES(Locks::mutator_lock_); |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 395 | |
| 396 | // Less efficient variant of VisitClasses that copies the class_table_ into secondary storage |
| 397 | // so that it can visit individual classes without holding the doesn't hold the |
| 398 | // Locks::classlinker_classes_lock_. As the Locks::classlinker_classes_lock_ isn't held this code |
| 399 | // can race with insertion and deletion of classes while the visitor is being called. |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 400 | void VisitClassesWithoutClassesLock(ClassVisitor* visitor) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 401 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 402 | REQUIRES(!dex_lock_); |
Elliott Hughes | a215526 | 2011-11-16 16:26:58 -0800 | [diff] [blame] | 403 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 404 | void VisitClassRoots(RootVisitor* visitor, VisitRootFlags flags) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 405 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 406 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 407 | void VisitRoots(RootVisitor* visitor, VisitRootFlags flags) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 408 | REQUIRES(!dex_lock_) |
| 409 | SHARED_REQUIRES(Locks::mutator_lock_); |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 410 | |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 411 | mirror::DexCache* FindDexCache(Thread* self, |
| 412 | const DexFile& dex_file, |
| 413 | bool allow_failure = false) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 414 | REQUIRES(!dex_lock_) |
| 415 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 416 | void FixupDexCaches(ArtMethod* resolution_method) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 417 | REQUIRES(!dex_lock_) |
| 418 | SHARED_REQUIRES(Locks::mutator_lock_); |
Brian Carlstrom | 1d9f52b | 2011-10-13 10:50:45 -0700 | [diff] [blame] | 419 | |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 420 | // Allocate an instance of a java.lang.Object. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 421 | mirror::Object* AllocObject(Thread* self) |
| 422 | SHARED_REQUIRES(Locks::mutator_lock_) |
Mathieu Chartier | 4e2cb09 | 2015-07-22 16:17:51 -0700 | [diff] [blame] | 423 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 424 | |
Elliott Hughes | 418d20f | 2011-09-22 14:00:39 -0700 | [diff] [blame] | 425 | // TODO: replace this with multiple methods that allocate the correct managed type. |
Shih-wei Liao | 4417536 | 2011-08-28 16:59:17 -0700 | [diff] [blame] | 426 | template <class T> |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 427 | mirror::ObjectArray<T>* AllocObjectArray(Thread* self, size_t length) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 428 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 429 | REQUIRES(!Roles::uninterruptible_); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 430 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 431 | mirror::ObjectArray<mirror::Class>* AllocClassArray(Thread* self, size_t length) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 432 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 433 | REQUIRES(!Roles::uninterruptible_); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 434 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 435 | mirror::ObjectArray<mirror::String>* AllocStringArray(Thread* self, size_t length) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 436 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 437 | REQUIRES(!Roles::uninterruptible_); |
Mathieu Chartier | 4e2cb09 | 2015-07-22 16:17:51 -0700 | [diff] [blame] | 438 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 439 | LengthPrefixedArray<ArtField>* AllocArtFieldArray(Thread* self, |
| 440 | LinearAlloc* allocator, |
| 441 | size_t length); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 442 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 443 | LengthPrefixedArray<ArtMethod>* AllocArtMethodArray(Thread* self, |
| 444 | LinearAlloc* allocator, |
| 445 | size_t length); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 446 | |
| 447 | mirror::PointerArray* AllocPointerArray(Thread* self, size_t length) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 448 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 449 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 450 | |
| 451 | mirror::IfTable* AllocIfTable(Thread* self, size_t ifcount) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 452 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 453 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 454 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 455 | mirror::ObjectArray<mirror::StackTraceElement>* AllocStackTraceElementArray(Thread* self, |
| 456 | size_t length) |
| 457 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 458 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 459 | |
Andreas Gampe | 7fe3023 | 2016-03-25 16:58:00 -0700 | [diff] [blame] | 460 | void VerifyClass(Thread* self, |
| 461 | Handle<mirror::Class> klass, |
| 462 | LogSeverity log_level = LogSeverity::NONE) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 463 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 464 | REQUIRES(!dex_lock_); |
| 465 | bool VerifyClassUsingOatFile(const DexFile& dex_file, |
| 466 | mirror::Class* klass, |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 467 | mirror::Class::Status& oat_file_class_status) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 468 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 469 | REQUIRES(!dex_lock_); |
Alex Light | 5a55986 | 2016-01-29 12:24:48 -0800 | [diff] [blame] | 470 | void ResolveClassExceptionHandlerTypes(Handle<mirror::Class> klass) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 471 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 472 | REQUIRES(!dex_lock_); |
Alex Light | 5a55986 | 2016-01-29 12:24:48 -0800 | [diff] [blame] | 473 | void ResolveMethodExceptionHandlerTypes(ArtMethod* klass) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 474 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 475 | REQUIRES(!dex_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 476 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 477 | mirror::Class* CreateProxyClass(ScopedObjectAccessAlreadyRunnable& soa, |
| 478 | jstring name, |
| 479 | jobjectArray interfaces, |
| 480 | jobject loader, |
| 481 | jobjectArray methods, |
Mathieu Chartier | 2b7c4d1 | 2014-05-19 10:52:16 -0700 | [diff] [blame] | 482 | jobjectArray throws) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 483 | SHARED_REQUIRES(Locks::mutator_lock_); |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 484 | std::string GetDescriptorForProxy(mirror::Class* proxy_class) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 485 | SHARED_REQUIRES(Locks::mutator_lock_); |
Hiroshi Yamauchi | 7a62e67 | 2016-06-10 17:22:48 -0700 | [diff] [blame] | 486 | template<ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 487 | ArtMethod* FindMethodForProxy(mirror::Class* proxy_class, ArtMethod* proxy_method) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 488 | REQUIRES(!dex_lock_) |
| 489 | SHARED_REQUIRES(Locks::mutator_lock_); |
Jesse Wilson | 95caa79 | 2011-10-12 18:14:17 -0400 | [diff] [blame] | 490 | |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 491 | // Get the oat code for a method when its class isn't yet initialized |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 492 | const void* GetQuickOatCodeFor(ArtMethod* method) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 493 | SHARED_REQUIRES(Locks::mutator_lock_); |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 494 | |
Hiroshi Yamauchi | 9bdec88 | 2014-08-15 17:11:12 -0700 | [diff] [blame] | 495 | // Get compiled code for a method, return null if no code |
| 496 | // exists. This is unlike Get..OatCodeFor which will return a bridge |
| 497 | // or interpreter entrypoint. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 498 | const void* GetOatMethodQuickCodeFor(ArtMethod* method) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 499 | SHARED_REQUIRES(Locks::mutator_lock_); |
Hiroshi Yamauchi | 9bdec88 | 2014-08-15 17:11:12 -0700 | [diff] [blame] | 500 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 501 | const OatFile::OatMethod FindOatMethodFor(ArtMethod* method, bool* found) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 502 | SHARED_REQUIRES(Locks::mutator_lock_); |
Nicolas Geoffray | 9523a3e | 2015-07-17 11:51:28 +0000 | [diff] [blame] | 503 | |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 504 | pid_t GetClassesLockOwner(); // For SignalCatcher. |
| 505 | pid_t GetDexLockOwner(); // For SignalCatcher. |
Brian Carlstrom | 24a3c2e | 2011-10-17 18:07:52 -0700 | [diff] [blame] | 506 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 507 | mirror::Class* GetClassRoot(ClassRoot class_root) SHARED_REQUIRES(Locks::mutator_lock_); |
Jeff Hao | 0aba0ba | 2013-06-03 14:49:28 -0700 | [diff] [blame] | 508 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 509 | static const char* GetClassRootDescriptor(ClassRoot class_root); |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 510 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 511 | // Is the given entry point quick code to run the resolution stub? |
| 512 | bool IsQuickResolutionStub(const void* entry_point) const; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 513 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 514 | // Is the given entry point quick code to bridge into the interpreter? |
| 515 | bool IsQuickToInterpreterBridge(const void* entry_point) const; |
| 516 | |
| 517 | // Is the given entry point quick code to run the generic JNI stub? |
| 518 | bool IsQuickGenericJniStub(const void* entry_point) const; |
Vladimir Marko | 8a63057 | 2014-04-09 18:45:35 +0100 | [diff] [blame] | 519 | |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 520 | InternTable* GetInternTable() const { |
| 521 | return intern_table_; |
| 522 | } |
| 523 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 524 | // Set the entrypoints up for method to the given code. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 525 | void SetEntryPointsToCompiledCode(ArtMethod* method, const void* method_code) const |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 526 | SHARED_REQUIRES(Locks::mutator_lock_); |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 527 | |
| 528 | // Set the entrypoints up for method to the enter the interpreter. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 529 | void SetEntryPointsToInterpreter(ArtMethod* method) const |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 530 | SHARED_REQUIRES(Locks::mutator_lock_); |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 531 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 532 | // Attempts to insert a class into a class table. Returns null if |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 533 | // the class was inserted, otherwise returns an existing class with |
| 534 | // the same descriptor and ClassLoader. |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 535 | mirror::Class* InsertClass(const char* descriptor, mirror::Class* klass, size_t hash) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 536 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 537 | SHARED_REQUIRES(Locks::mutator_lock_); |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 538 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 539 | mirror::ObjectArray<mirror::Class>* GetClassRoots() SHARED_REQUIRES(Locks::mutator_lock_) { |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 540 | mirror::ObjectArray<mirror::Class>* class_roots = class_roots_.Read(); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 541 | DCHECK(class_roots != nullptr); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 542 | return class_roots; |
| 543 | } |
| 544 | |
Mathieu Chartier | 073b16c | 2015-11-10 14:13:23 -0800 | [diff] [blame] | 545 | // Move all of the boot image classes into the class table for faster lookups. |
| 546 | void AddBootImageClassesToClassTable() |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 547 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 548 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | 073b16c | 2015-11-10 14:13:23 -0800 | [diff] [blame] | 549 | |
| 550 | // Add image classes to the class table. |
Jeff Hao | dcdc85b | 2015-12-04 14:06:18 -0800 | [diff] [blame] | 551 | void AddImageClassesToClassTable(std::vector<gc::space::ImageSpace*> image_spaces, |
Mathieu Chartier | 073b16c | 2015-11-10 14:13:23 -0800 | [diff] [blame] | 552 | mirror::ClassLoader* class_loader) |
| 553 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 554 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 555 | |
Mathieu Chartier | c2e2062 | 2014-11-03 11:41:47 -0800 | [diff] [blame] | 556 | // Move the class table to the pre-zygote table to reduce memory usage. This works by ensuring |
| 557 | // that no more classes are ever added to the pre zygote table which makes it that the pages |
| 558 | // always remain shared dirty instead of private dirty. |
| 559 | void MoveClassTableToPreZygote() |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 560 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 561 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | c2e2062 | 2014-11-03 11:41:47 -0800 | [diff] [blame] | 562 | |
Andreas Gampe | 81c6f8d | 2015-03-25 17:19:53 -0700 | [diff] [blame] | 563 | // Creates a GlobalRef PathClassLoader that can be used to load classes from the given dex files. |
| 564 | // Note: the objects are not completely set up. Do not use this outside of tests and the compiler. |
Jeff Hao | f0192c8 | 2016-03-28 20:39:50 -0700 | [diff] [blame] | 565 | jobject CreatePathClassLoader(Thread* self, const std::vector<const DexFile*>& dex_files) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 566 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 567 | REQUIRES(!dex_lock_); |
Andreas Gampe | 81c6f8d | 2015-03-25 17:19:53 -0700 | [diff] [blame] | 568 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 569 | size_t GetImagePointerSize() const { |
| 570 | DCHECK(ValidPointerSize(image_pointer_size_)) << image_pointer_size_; |
| 571 | return image_pointer_size_; |
| 572 | } |
| 573 | |
| 574 | // Used by image writer for checking. |
| 575 | bool ClassInClassTable(mirror::Class* klass) |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 576 | REQUIRES(Locks::classlinker_classes_lock_) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 577 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | a89d7ed | 2014-12-05 10:57:13 -0800 | [diff] [blame] | 578 | |
Nicolas Geoffray | 796d630 | 2016-03-13 22:22:31 +0000 | [diff] [blame] | 579 | ArtMethod* CreateRuntimeMethod(LinearAlloc* linear_alloc); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 580 | |
Andreas Gampe | 8ac7595 | 2015-06-02 21:01:45 -0700 | [diff] [blame] | 581 | // Clear the ArrayClass cache. This is necessary when cleaning up for the image, as the cache |
| 582 | // entries are roots, but potentially not image classes. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 583 | void DropFindArrayClassCache() SHARED_REQUIRES(Locks::mutator_lock_); |
Andreas Gampe | 8ac7595 | 2015-06-02 21:01:45 -0700 | [diff] [blame] | 584 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 585 | // Clean up class loaders, this needs to happen after JNI weak globals are cleared. |
| 586 | void CleanupClassLoaders() |
Mathieu Chartier | 00310e0 | 2015-10-17 12:46:42 -0700 | [diff] [blame] | 587 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 588 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 589 | |
Mathieu Chartier | 32cc9ee | 2015-10-15 09:19:15 -0700 | [diff] [blame] | 590 | // Unlike GetOrCreateAllocatorForClassLoader, GetAllocatorForClassLoader asserts that the |
| 591 | // allocator for this class loader is already created. |
Mathieu Chartier | 5b83050 | 2016-03-02 10:30:23 -0800 | [diff] [blame] | 592 | LinearAlloc* GetAllocatorForClassLoader(mirror::ClassLoader* class_loader) |
Nicolas Geoffray | 7de5dfe | 2015-09-22 09:48:02 +0000 | [diff] [blame] | 593 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 594 | |
Mathieu Chartier | d57d454 | 2015-10-14 10:55:30 -0700 | [diff] [blame] | 595 | // Return the linear alloc for a class loader if it is already allocated, otherwise allocate and |
| 596 | // set it. TODO: Consider using a lock other than classlinker_classes_lock_. |
Mathieu Chartier | 5b83050 | 2016-03-02 10:30:23 -0800 | [diff] [blame] | 597 | LinearAlloc* GetOrCreateAllocatorForClassLoader(mirror::ClassLoader* class_loader) |
Mathieu Chartier | 00310e0 | 2015-10-17 12:46:42 -0700 | [diff] [blame] | 598 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 599 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 600 | |
Mathieu Chartier | 6d25cf6 | 2016-04-12 16:54:48 -0700 | [diff] [blame] | 601 | // May be called with null class_loader due to legacy code. b/27954959 |
Mathieu Chartier | 00310e0 | 2015-10-17 12:46:42 -0700 | [diff] [blame] | 602 | void InsertDexFileInToClassLoader(mirror::Object* dex_file, mirror::ClassLoader* class_loader) |
| 603 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 604 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | d57d454 | 2015-10-14 10:55:30 -0700 | [diff] [blame] | 605 | |
Tamas Berghammer | dd5e5e9 | 2016-02-12 16:29:00 +0000 | [diff] [blame] | 606 | static bool ShouldUseInterpreterEntrypoint(ArtMethod* method, const void* quick_code) |
| 607 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 608 | |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 609 | std::set<DexCacheResolvedClasses> GetResolvedClasses(bool ignore_boot_classes) |
| 610 | REQUIRES(!dex_lock_); |
| 611 | |
| 612 | std::unordered_set<std::string> GetClassDescriptorsForProfileKeys( |
| 613 | const std::set<DexCacheResolvedClasses>& classes) |
| 614 | REQUIRES(!dex_lock_); |
| 615 | |
Jeff Hao | f0192c8 | 2016-03-28 20:39:50 -0700 | [diff] [blame] | 616 | static bool IsBootClassLoader(ScopedObjectAccessAlreadyRunnable& soa, |
| 617 | mirror::ClassLoader* class_loader) |
| 618 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 619 | |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 620 | ArtMethod* AddMethodToConflictTable(mirror::Class* klass, |
| 621 | ArtMethod* conflict_method, |
| 622 | ArtMethod* interface_method, |
| 623 | ArtMethod* method, |
| 624 | bool force_new_conflict_method) |
| 625 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 626 | |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 627 | // Create a conflict table with a specified capacity. |
| 628 | ImtConflictTable* CreateImtConflictTable(size_t count, LinearAlloc* linear_alloc); |
| 629 | |
| 630 | // Static version for when the class linker is not yet created. |
| 631 | static ImtConflictTable* CreateImtConflictTable(size_t count, |
| 632 | LinearAlloc* linear_alloc, |
| 633 | size_t pointer_size); |
| 634 | |
| 635 | |
| 636 | // Create the IMT and conflict tables for a class. |
| 637 | void FillIMTAndConflictTables(mirror::Class* klass) SHARED_REQUIRES(Locks::mutator_lock_); |
| 638 | |
Mathieu Chartier | 696632e | 2016-06-03 17:47:32 -0700 | [diff] [blame] | 639 | // Clear class table strong roots (other than classes themselves). This is done by dex2oat to |
| 640 | // allow pruning dex caches. |
| 641 | void ClearClassTableStrongRoots() const |
| 642 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 643 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 644 | |
Jeff Hao | c92a7a1 | 2016-06-06 11:09:20 -0700 | [diff] [blame] | 645 | // Throw the class initialization failure recorded when first trying to initialize the given |
| 646 | // class. |
| 647 | void ThrowEarlierClassFailure(mirror::Class* c, bool wrap_in_no_class_def = false) |
| 648 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 649 | REQUIRES(!dex_lock_); |
| 650 | |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 651 | struct DexCacheData { |
| 652 | // Weak root to the DexCache. Note: Do not decode this unnecessarily or else class unloading may |
| 653 | // not work properly. |
| 654 | jweak weak_root; |
| 655 | // The following two fields are caches to the DexCache's fields and here to avoid unnecessary |
| 656 | // jweak decode that triggers read barriers (and mark them alive unnecessarily and mess with |
| 657 | // class unloading.) |
| 658 | const DexFile* dex_file; |
| 659 | GcRoot<mirror::Class>* resolved_types; |
| 660 | }; |
| 661 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 662 | private: |
| 663 | struct ClassLoaderData { |
Mathieu Chartier | c3fcd41 | 2015-09-25 16:54:59 -0700 | [diff] [blame] | 664 | jweak weak_root; // Weak root to enable class unloading. |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 665 | ClassTable* class_table; |
| 666 | LinearAlloc* allocator; |
| 667 | }; |
| 668 | |
Alex Light | f1f1049 | 2015-10-07 16:08:36 -0700 | [diff] [blame] | 669 | // Ensures that the supertype of 'klass' ('supertype') is verified. Returns false and throws |
| 670 | // appropriate exceptions if verification failed hard. Returns true for successful verification or |
| 671 | // soft-failures. |
| 672 | bool AttemptSupertypeVerification(Thread* self, |
| 673 | Handle<mirror::Class> klass, |
| 674 | Handle<mirror::Class> supertype) |
| 675 | REQUIRES(!dex_lock_) |
| 676 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 677 | |
Nicolas Geoffray | 1dad3f6 | 2015-10-23 14:59:54 +0100 | [diff] [blame] | 678 | static void DeleteClassLoader(Thread* self, const ClassLoaderData& data) |
| 679 | REQUIRES(Locks::classlinker_classes_lock_) |
| 680 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 681 | |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 682 | void VisitClassLoaders(ClassLoaderVisitor* visitor) const |
| 683 | SHARED_REQUIRES(Locks::classlinker_classes_lock_, Locks::mutator_lock_); |
| 684 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 685 | void VisitClassesInternal(ClassVisitor* visitor) |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 686 | SHARED_REQUIRES(Locks::classlinker_classes_lock_, Locks::mutator_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 687 | |
| 688 | // Returns the number of zygote and image classes. |
Mathieu Chartier | 6b06953 | 2015-08-05 15:08:12 -0700 | [diff] [blame] | 689 | size_t NumZygoteClasses() const |
| 690 | REQUIRES(Locks::classlinker_classes_lock_) |
| 691 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 692 | |
| 693 | // Returns the number of non zygote nor image classes. |
Mathieu Chartier | 6b06953 | 2015-08-05 15:08:12 -0700 | [diff] [blame] | 694 | size_t NumNonZygoteClasses() const |
| 695 | REQUIRES(Locks::classlinker_classes_lock_) |
| 696 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 697 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 698 | void FinishInit(Thread* self) |
Mathieu Chartier | a808bac | 2015-11-05 16:33:15 -0800 | [diff] [blame] | 699 | SHARED_REQUIRES(Locks::mutator_lock_) |
Mathieu Chartier | 4e2cb09 | 2015-07-22 16:17:51 -0700 | [diff] [blame] | 700 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 701 | |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 702 | // For early bootstrapping by Init |
Ian Rogers | 6fac447 | 2014-02-25 17:01:10 -0800 | [diff] [blame] | 703 | mirror::Class* AllocClass(Thread* self, mirror::Class* java_lang_Class, uint32_t class_size) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 704 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 705 | REQUIRES(!Roles::uninterruptible_); |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 706 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 707 | // Alloc* convenience functions to avoid needing to pass in mirror::Class* |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 708 | // values that are known to the ClassLinker such as |
| 709 | // kObjectArrayClass and kJavaLangString etc. |
Ian Rogers | 6fac447 | 2014-02-25 17:01:10 -0800 | [diff] [blame] | 710 | mirror::Class* AllocClass(Thread* self, uint32_t class_size) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 711 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 712 | REQUIRES(!Roles::uninterruptible_); |
Mathieu Chartier | d57d454 | 2015-10-14 10:55:30 -0700 | [diff] [blame] | 713 | mirror::DexCache* AllocDexCache(Thread* self, |
| 714 | const DexFile& dex_file, |
| 715 | LinearAlloc* linear_alloc) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 716 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 717 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 718 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 719 | mirror::Class* CreatePrimitiveClass(Thread* self, Primitive::Type type) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 720 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 721 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 722 | mirror::Class* InitializePrimitiveClass(mirror::Class* primitive_class, Primitive::Type type) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 723 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 724 | REQUIRES(!Roles::uninterruptible_); |
Brian Carlstrom | a331b3c | 2011-07-18 17:47:56 -0700 | [diff] [blame] | 725 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 726 | mirror::Class* CreateArrayClass(Thread* self, |
| 727 | const char* descriptor, |
| 728 | size_t hash, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 729 | Handle<mirror::ClassLoader> class_loader) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 730 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 731 | REQUIRES(!dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | a331b3c | 2011-07-18 17:47:56 -0700 | [diff] [blame] | 732 | |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 733 | void AppendToBootClassPath(Thread* self, const DexFile& dex_file) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 734 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 735 | REQUIRES(!dex_lock_); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 736 | void AppendToBootClassPath(const DexFile& dex_file, Handle<mirror::DexCache> dex_cache) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 737 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 738 | REQUIRES(!dex_lock_); |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 739 | |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 740 | // Precomputes size needed for Class, in the case of a non-temporary class this size must be |
| 741 | // sufficient to hold all static fields. |
| 742 | uint32_t SizeOfClassWithoutEmbeddedTables(const DexFile& dex_file, |
| 743 | const DexFile::ClassDef& dex_class_def); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 744 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 745 | // Setup the classloader, class def index, type idx so that we can insert this class in the class |
| 746 | // table. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 747 | void SetupClass(const DexFile& dex_file, |
| 748 | const DexFile::ClassDef& dex_class_def, |
| 749 | Handle<mirror::Class> klass, |
| 750 | mirror::ClassLoader* class_loader) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 751 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 752 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 753 | void LoadClass(Thread* self, |
| 754 | const DexFile& dex_file, |
| 755 | const DexFile::ClassDef& dex_class_def, |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 756 | Handle<mirror::Class> klass) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 757 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 758 | void LoadClassMembers(Thread* self, |
| 759 | const DexFile& dex_file, |
| 760 | const uint8_t* class_data, |
| 761 | Handle<mirror::Class> klass, |
| 762 | const OatFile::OatClass* oat_class) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 763 | SHARED_REQUIRES(Locks::mutator_lock_); |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 764 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 765 | void LoadField(const ClassDataItemIterator& it, Handle<mirror::Class> klass, ArtField* dst) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 766 | SHARED_REQUIRES(Locks::mutator_lock_); |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 767 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 768 | void LoadMethod(Thread* self, |
| 769 | const DexFile& dex_file, |
| 770 | const ClassDataItemIterator& it, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 771 | Handle<mirror::Class> klass, ArtMethod* dst) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 772 | SHARED_REQUIRES(Locks::mutator_lock_); |
Brian Carlstrom | 934486c | 2011-07-12 23:42:50 -0700 | [diff] [blame] | 773 | |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 774 | void FixupStaticTrampolines(mirror::Class* klass) SHARED_REQUIRES(Locks::mutator_lock_); |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 775 | |
Ian Rogers | 97b52f8 | 2014-08-14 11:34:07 -0700 | [diff] [blame] | 776 | // Finds the associated oat class for a dex_file and descriptor. Returns an invalid OatClass on |
| 777 | // error and sets found to false. |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 778 | OatFile::OatClass FindOatClass(const DexFile& dex_file, uint16_t class_def_idx, bool* found) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 779 | SHARED_REQUIRES(Locks::mutator_lock_); |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 780 | |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 781 | void RegisterDexFileLocked(const DexFile& dex_file, Handle<mirror::DexCache> dex_cache) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 782 | REQUIRES(dex_lock_) |
| 783 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 784 | mirror::DexCache* FindDexCacheLocked(Thread* self, const DexFile& dex_file, bool allow_failure) |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 785 | REQUIRES(dex_lock_) |
| 786 | SHARED_REQUIRES(Locks::mutator_lock_); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 787 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 788 | bool InitializeClass(Thread* self, |
| 789 | Handle<mirror::Class> klass, |
| 790 | bool can_run_clinit, |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 791 | bool can_init_parents) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 792 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 793 | REQUIRES(!dex_lock_); |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 794 | bool InitializeDefaultInterfaceRecursive(Thread* self, |
| 795 | Handle<mirror::Class> klass, |
| 796 | bool can_run_clinit, |
| 797 | bool can_init_parents) |
| 798 | REQUIRES(!dex_lock_) |
| 799 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 800 | bool WaitForInitializeClass(Handle<mirror::Class> klass, |
| 801 | Thread* self, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 802 | ObjectLock<mirror::Class>& lock); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 803 | bool ValidateSuperClassDescriptors(Handle<mirror::Class> klass) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 804 | SHARED_REQUIRES(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 805 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 806 | bool IsSameDescriptorInDifferentClassContexts(Thread* self, |
| 807 | const char* descriptor, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 808 | Handle<mirror::ClassLoader> class_loader1, |
| 809 | Handle<mirror::ClassLoader> class_loader2) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 810 | SHARED_REQUIRES(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 811 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 812 | bool IsSameMethodSignatureInDifferentClassContexts(Thread* self, |
| 813 | ArtMethod* method, |
| 814 | mirror::Class* klass1, |
| 815 | mirror::Class* klass2) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 816 | SHARED_REQUIRES(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 817 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 818 | bool LinkClass(Thread* self, |
| 819 | const char* descriptor, |
| 820 | Handle<mirror::Class> klass, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 821 | Handle<mirror::ObjectArray<mirror::Class>> interfaces, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 822 | MutableHandle<mirror::Class>* h_new_class_out) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 823 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 824 | REQUIRES(!Locks::classlinker_classes_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 825 | |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 826 | bool LinkSuperClass(Handle<mirror::Class> klass) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 827 | SHARED_REQUIRES(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 828 | |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 829 | bool LoadSuperAndInterfaces(Handle<mirror::Class> klass, const DexFile& dex_file) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 830 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 831 | REQUIRES(!dex_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 832 | |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 833 | bool LinkMethods(Thread* self, |
| 834 | Handle<mirror::Class> klass, |
Mathieu Chartier | 2d2621a | 2014-10-23 16:48:06 -0700 | [diff] [blame] | 835 | Handle<mirror::ObjectArray<mirror::Class>> interfaces, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 836 | ArtMethod** out_imt) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 837 | SHARED_REQUIRES(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 838 | |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 839 | // Does anything needed to make sure that the compiler will not generate a direct invoke to this |
| 840 | // method. Should only be called on non-invokable methods. |
| 841 | void EnsureThrowsInvocationError(ArtMethod* method) |
| 842 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 843 | |
| 844 | // A wrapper class representing the result of a method translation used for linking methods and |
| 845 | // updating superclass default methods. For each method in a classes vtable there are 4 states it |
| 846 | // could be in: |
| 847 | // 1) No translation is necessary. In this case there is no MethodTranslation object for it. This |
| 848 | // is the standard case and is true when the method is not overridable by a default method, |
| 849 | // the class defines a concrete implementation of the method, the default method implementation |
| 850 | // remains the same, or an abstract method stayed abstract. |
| 851 | // 2) The method must be translated to a different default method. We note this with |
| 852 | // CreateTranslatedMethod. |
| 853 | // 3) The method must be replaced with a conflict method. This happens when a superclass |
| 854 | // implements an interface with a default method and this class implements an unrelated |
| 855 | // interface that also defines that default method. We note this with CreateConflictingMethod. |
| 856 | // 4) The method must be replaced with an abstract miranda method. This happens when a superclass |
| 857 | // implements an interface with a default method and this class implements a subinterface of |
| 858 | // the superclass's interface which declares the default method abstract. We note this with |
| 859 | // CreateAbstractMethod. |
| 860 | // |
| 861 | // When a method translation is unnecessary (case #1), we don't put it into the |
| 862 | // default_translation maps. So an instance of MethodTranslation must be in one of #2-#4. |
| 863 | class MethodTranslation { |
| 864 | public: |
| 865 | // This slot must become a default conflict method. |
| 866 | static MethodTranslation CreateConflictingMethod() { |
| 867 | return MethodTranslation(Type::kConflict, /*translation*/nullptr); |
| 868 | } |
| 869 | |
| 870 | // This slot must become an abstract method. |
| 871 | static MethodTranslation CreateAbstractMethod() { |
| 872 | return MethodTranslation(Type::kAbstract, /*translation*/nullptr); |
| 873 | } |
| 874 | |
| 875 | // Use the given method as the current value for this vtable slot during translation. |
| 876 | static MethodTranslation CreateTranslatedMethod(ArtMethod* new_method) { |
| 877 | return MethodTranslation(Type::kTranslation, new_method); |
| 878 | } |
| 879 | |
| 880 | // Returns true if this is a method that must become a conflict method. |
| 881 | bool IsInConflict() const { |
| 882 | return type_ == Type::kConflict; |
| 883 | } |
| 884 | |
| 885 | // Returns true if this is a method that must become an abstract method. |
| 886 | bool IsAbstract() const { |
| 887 | return type_ == Type::kAbstract; |
| 888 | } |
| 889 | |
| 890 | // Returns true if this is a method that must become a different method. |
| 891 | bool IsTranslation() const { |
| 892 | return type_ == Type::kTranslation; |
| 893 | } |
| 894 | |
| 895 | // Get the translated version of this method. |
| 896 | ArtMethod* GetTranslation() const { |
| 897 | DCHECK(IsTranslation()); |
| 898 | DCHECK(translation_ != nullptr); |
| 899 | return translation_; |
| 900 | } |
| 901 | |
| 902 | private: |
| 903 | enum class Type { |
| 904 | kTranslation, |
| 905 | kConflict, |
| 906 | kAbstract, |
| 907 | }; |
| 908 | |
| 909 | MethodTranslation(Type type, ArtMethod* translation) |
| 910 | : translation_(translation), type_(type) {} |
| 911 | |
| 912 | ArtMethod* const translation_; |
| 913 | const Type type_; |
| 914 | }; |
| 915 | |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 916 | // Links the virtual methods for the given class and records any default methods that will need to |
| 917 | // be updated later. |
| 918 | // |
| 919 | // Arguments: |
| 920 | // * self - The current thread. |
| 921 | // * klass - class, whose vtable will be filled in. |
| 922 | // * default_translations - Vtable index to new method map. |
| 923 | // Any vtable entries that need to be updated with new default methods |
| 924 | // are stored into the default_translations map. The default_translations |
| 925 | // map is keyed on the vtable index that needs to be updated. We use this |
| 926 | // map because if we override a default method with another default |
| 927 | // method we need to update the vtable to point to the new method. |
| 928 | // Unfortunately since we copy the ArtMethod* we cannot just do a simple |
| 929 | // scan, we therefore store the vtable index's that might need to be |
| 930 | // updated with the method they will turn into. |
| 931 | // TODO This whole default_translations thing is very dirty. There should be a better way. |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 932 | bool LinkVirtualMethods( |
| 933 | Thread* self, |
| 934 | Handle<mirror::Class> klass, |
| 935 | /*out*/std::unordered_map<size_t, MethodTranslation>* default_translations) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 936 | SHARED_REQUIRES(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 937 | |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 938 | // Sets up the interface lookup table (IFTable) in the correct order to allow searching for |
| 939 | // default methods. |
| 940 | bool SetupInterfaceLookupTable(Thread* self, |
| 941 | Handle<mirror::Class> klass, |
| 942 | Handle<mirror::ObjectArray<mirror::Class>> interfaces) |
| 943 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 944 | |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 945 | |
| 946 | enum class DefaultMethodSearchResult { |
| 947 | kDefaultFound, |
| 948 | kAbstractFound, |
| 949 | kDefaultConflict |
| 950 | }; |
| 951 | |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 952 | // Find the default method implementation for 'interface_method' in 'klass', if one exists. |
| 953 | // |
| 954 | // Arguments: |
| 955 | // * self - The current thread. |
| 956 | // * target_method - The method we are trying to find a default implementation for. |
| 957 | // * klass - The class we are searching for a definition of target_method. |
| 958 | // * out_default_method - The pointer we will store the found default method to on success. |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 959 | // |
| 960 | // Return value: |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 961 | // * kDefaultFound - There were no conflicting method implementations found in the class while |
| 962 | // searching for target_method. The default method implementation is stored into |
| 963 | // out_default_method. |
| 964 | // * kAbstractFound - There were no conflicting method implementations found in the class while |
| 965 | // searching for target_method but no default implementation was found either. |
| 966 | // out_default_method is set to null and the method should be considered not |
| 967 | // implemented. |
| 968 | // * kDefaultConflict - Conflicting method implementations were found when searching for |
| 969 | // target_method. The value of *out_default_method is null. |
| 970 | DefaultMethodSearchResult FindDefaultMethodImplementation( |
Nicolas Geoffray | 88f288e | 2016-06-29 08:17:52 +0000 | [diff] [blame] | 971 | Thread* self, |
| 972 | ArtMethod* target_method, |
| 973 | Handle<mirror::Class> klass, |
| 974 | /*out*/ArtMethod** out_default_method) const |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 975 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 976 | |
| 977 | // Sets the imt entries and fixes up the vtable for the given class by linking all the interface |
| 978 | // methods. See LinkVirtualMethods for an explanation of what default_translations is. |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 979 | bool LinkInterfaceMethods( |
Nicolas Geoffray | 88f288e | 2016-06-29 08:17:52 +0000 | [diff] [blame] | 980 | Thread* self, |
| 981 | Handle<mirror::Class> klass, |
| 982 | const std::unordered_map<size_t, MethodTranslation>& default_translations, |
| 983 | ArtMethod** out_imt) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 984 | SHARED_REQUIRES(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 985 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 986 | bool LinkStaticFields(Thread* self, Handle<mirror::Class> klass, size_t* class_size) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 987 | SHARED_REQUIRES(Locks::mutator_lock_); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 988 | bool LinkInstanceFields(Thread* self, Handle<mirror::Class> klass) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 989 | SHARED_REQUIRES(Locks::mutator_lock_); |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 990 | bool LinkFields(Thread* self, Handle<mirror::Class> klass, bool is_static, size_t* class_size) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 991 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 992 | void LinkCode(ArtMethod* method, |
| 993 | const OatFile::OatClass* oat_class, |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 994 | uint32_t class_def_method_index) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 995 | SHARED_REQUIRES(Locks::mutator_lock_); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 996 | void CreateReferenceInstanceOffsets(Handle<mirror::Class> klass) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 997 | SHARED_REQUIRES(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 998 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 999 | void CheckProxyConstructor(ArtMethod* constructor) const |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1000 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1001 | void CheckProxyMethod(ArtMethod* method, ArtMethod* prototype) const |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1002 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1003 | |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 1004 | // For use by ImageWriter to find DexCaches for its roots |
Hiroshi Yamauchi | e9e3e69 | 2014-06-24 14:31:37 -0700 | [diff] [blame] | 1005 | ReaderWriterMutex* DexLock() |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 1006 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 1007 | LOCK_RETURNED(dex_lock_) { |
Hiroshi Yamauchi | e9e3e69 | 2014-06-24 14:31:37 -0700 | [diff] [blame] | 1008 | return &dex_lock_; |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 1009 | } |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1010 | size_t GetDexCacheCount() SHARED_REQUIRES(Locks::mutator_lock_, dex_lock_) { |
Hiroshi Yamauchi | e9e3e69 | 2014-06-24 14:31:37 -0700 | [diff] [blame] | 1011 | return dex_caches_.size(); |
| 1012 | } |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 1013 | const std::list<DexCacheData>& GetDexCachesData() |
| 1014 | SHARED_REQUIRES(Locks::mutator_lock_, dex_lock_) { |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1015 | return dex_caches_; |
| 1016 | } |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 1017 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1018 | void CreateProxyConstructor(Handle<mirror::Class> klass, ArtMethod* out) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1019 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1020 | void CreateProxyMethod(Handle<mirror::Class> klass, ArtMethod* prototype, ArtMethod* out) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1021 | SHARED_REQUIRES(Locks::mutator_lock_); |
Jesse Wilson | 95caa79 | 2011-10-12 18:14:17 -0400 | [diff] [blame] | 1022 | |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 1023 | // Ensures that methods have the kAccSkipAccessChecks bit set. We use the |
| 1024 | // kAccVerificationAttempted bit on the class access flags to determine whether this has been done |
| 1025 | // before. |
| 1026 | void EnsureSkipAccessChecksMethods(Handle<mirror::Class> c) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1027 | SHARED_REQUIRES(Locks::mutator_lock_); |
Andreas Gampe | 4849859 | 2014-09-10 19:48:05 -0700 | [diff] [blame] | 1028 | |
Mathieu Chartier | 073b16c | 2015-11-10 14:13:23 -0800 | [diff] [blame] | 1029 | mirror::Class* LookupClassFromBootImage(const char* descriptor) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1030 | SHARED_REQUIRES(Locks::mutator_lock_); |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 1031 | |
Mathieu Chartier | 5b83050 | 2016-03-02 10:30:23 -0800 | [diff] [blame] | 1032 | // Register a class loader and create its class table and allocator. Should not be called if |
| 1033 | // these are already created. |
| 1034 | void RegisterClassLoader(mirror::ClassLoader* class_loader) |
| 1035 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 1036 | REQUIRES(Locks::classlinker_classes_lock_); |
| 1037 | |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 1038 | // Returns null if not found. |
| 1039 | ClassTable* ClassTableForClassLoader(mirror::ClassLoader* class_loader) |
Mathieu Chartier | 10c5f56 | 2016-05-10 18:13:20 -0700 | [diff] [blame] | 1040 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | 5b83050 | 2016-03-02 10:30:23 -0800 | [diff] [blame] | 1041 | |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 1042 | // Insert a new class table if not found. |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 1043 | ClassTable* InsertClassTableForClassLoader(mirror::ClassLoader* class_loader) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 1044 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 1045 | REQUIRES(Locks::classlinker_classes_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 1046 | |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 1047 | // EnsureResolved is called to make sure that a class in the class_table_ has been resolved |
| 1048 | // before returning it to the caller. Its the responsibility of the thread that placed the class |
| 1049 | // in the table to make it resolved. The thread doing resolution must notify on the class' lock |
| 1050 | // when resolution has occurred. This happens in mirror::Class::SetStatus. As resolution may |
| 1051 | // retire a class, the version of the class in the table is returned and this may differ from |
| 1052 | // the class passed in. |
| 1053 | mirror::Class* EnsureResolved(Thread* self, const char* descriptor, mirror::Class* klass) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 1054 | WARN_UNUSED |
| 1055 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 1056 | REQUIRES(!dex_lock_); |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 1057 | |
| 1058 | void FixupTemporaryDeclaringClass(mirror::Class* temp_class, mirror::Class* new_class) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1059 | SHARED_REQUIRES(Locks::mutator_lock_); |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 1060 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1061 | void SetClassRoot(ClassRoot class_root, mirror::Class* klass) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1062 | SHARED_REQUIRES(Locks::mutator_lock_); |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1063 | |
| 1064 | // Return the quick generic JNI stub for testing. |
| 1065 | const void* GetRuntimeQuickGenericJniStub() const; |
| 1066 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1067 | bool CanWeInitializeClass(mirror::Class* klass, bool can_init_statics, bool can_init_parents) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 1068 | SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1069 | |
Alex Light | e64300b | 2015-12-15 15:02:47 -0800 | [diff] [blame] | 1070 | void UpdateClassMethods(mirror::Class* klass, |
| 1071 | LengthPrefixedArray<ArtMethod>* new_methods) |
Mathieu Chartier | 54d220e | 2015-07-30 16:20:06 -0700 | [diff] [blame] | 1072 | SHARED_REQUIRES(Locks::mutator_lock_) |
| 1073 | REQUIRES(!Locks::classlinker_classes_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1074 | |
Mathieu Chartier | 6973100 | 2016-03-02 16:08:31 -0800 | [diff] [blame] | 1075 | // new_class_set is the set of classes that were read from the class table section in the image. |
| 1076 | // If there was no class table section, it is null. |
Mathieu Chartier | 1aa8ec2 | 2016-02-01 10:34:47 -0800 | [diff] [blame] | 1077 | bool UpdateAppImageClassLoadersAndDexCaches( |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1078 | gc::space::ImageSpace* space, |
| 1079 | Handle<mirror::ClassLoader> class_loader, |
| 1080 | Handle<mirror::ObjectArray<mirror::DexCache>> dex_caches, |
Mathieu Chartier | 6973100 | 2016-03-02 16:08:31 -0800 | [diff] [blame] | 1081 | ClassTable::ClassSet* new_class_set, |
Mathieu Chartier | 1aa8ec2 | 2016-02-01 10:34:47 -0800 | [diff] [blame] | 1082 | bool* out_forward_dex_cache_array, |
| 1083 | std::string* out_error_msg) |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1084 | REQUIRES(!dex_lock_) |
| 1085 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 1086 | |
Andreas Gampe | 7ba5a67 | 2016-02-04 21:45:01 -0800 | [diff] [blame] | 1087 | // Check that c1 == FindSystemClass(self, descriptor). Abort with class dumps otherwise. |
| 1088 | void CheckSystemClass(Thread* self, Handle<mirror::Class> c1, const char* descriptor) |
| 1089 | REQUIRES(!dex_lock_) |
| 1090 | SHARED_REQUIRES(Locks::mutator_lock_); |
| 1091 | |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1092 | // Sets imt_ref appropriately for LinkInterfaceMethods. |
| 1093 | // If there is no method in the imt location of imt_ref it will store the given method there. |
| 1094 | // Otherwise it will set the conflict method which will figure out which method to use during |
| 1095 | // runtime. |
| 1096 | void SetIMTRef(ArtMethod* unimplemented_method, |
| 1097 | ArtMethod* imt_conflict_method, |
| 1098 | ArtMethod* current_method, |
| 1099 | /*out*/ArtMethod** imt_ref) SHARED_REQUIRES(Locks::mutator_lock_); |
| 1100 | |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1101 | void FillIMTFromIfTable(mirror::IfTable* if_table, |
| 1102 | ArtMethod* unimplemented_method, |
| 1103 | ArtMethod* imt_conflict_method, |
| 1104 | mirror::Class* klass, |
| 1105 | bool create_conflict_tables, |
| 1106 | bool ignore_copied_methods, |
Nicolas Geoffray | 88f288e | 2016-06-29 08:17:52 +0000 | [diff] [blame] | 1107 | ArtMethod** imt) SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1108 | |
| 1109 | void FillImtFromSuperClass(Handle<mirror::Class> klass, |
| 1110 | ArtMethod* unimplemented_method, |
| 1111 | ArtMethod* imt_conflict_method, |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1112 | ArtMethod** imt) SHARED_REQUIRES(Locks::mutator_lock_); |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1113 | |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1114 | std::vector<const DexFile*> boot_class_path_; |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1115 | std::vector<std::unique_ptr<const DexFile>> boot_dex_files_; |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 1116 | |
Ian Rogers | 1bf8d4d | 2013-05-30 00:18:49 -0700 | [diff] [blame] | 1117 | mutable ReaderWriterMutex dex_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 1118 | // JNI weak globals and side data to allow dex caches to get unloaded. We lazily delete weak |
| 1119 | // globals when we register new dex files. |
| 1120 | std::list<DexCacheData> dex_caches_ GUARDED_BY(dex_lock_); |
Brian Carlstrom | 47d237a | 2011-10-18 15:08:33 -0700 | [diff] [blame] | 1121 | |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 1122 | // This contains the class loaders which have class tables. It is populated by |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 1123 | // InsertClassTableForClassLoader. |
| 1124 | std::list<ClassLoaderData> class_loaders_ |
Mathieu Chartier | 6b06953 | 2015-08-05 15:08:12 -0700 | [diff] [blame] | 1125 | GUARDED_BY(Locks::classlinker_classes_lock_); |
| 1126 | |
| 1127 | // Boot class path table. Since the class loader for this is null. |
| 1128 | ClassTable boot_class_table_ GUARDED_BY(Locks::classlinker_classes_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1129 | |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 1130 | // New class roots, only used by CMS since the GC needs to mark these in the pause. |
| 1131 | std::vector<GcRoot<mirror::Class>> new_class_roots_ GUARDED_BY(Locks::classlinker_classes_lock_); |
Elliott Hughes | f834936 | 2012-06-18 15:00:06 -0700 | [diff] [blame] | 1132 | |
Mathieu Chartier | 073b16c | 2015-11-10 14:13:23 -0800 | [diff] [blame] | 1133 | // Do we need to search dex caches to find boot image classes? |
| 1134 | bool dex_cache_boot_image_class_lookup_required_; |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 1135 | // Number of times we've searched dex caches for a class. After a certain number of misses we move |
| 1136 | // the classes into the class_table_ to avoid dex cache based searches. |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1137 | Atomic<uint32_t> failed_dex_cache_class_lookups_; |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 1138 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1139 | // Well known mirror::Class roots. |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 1140 | GcRoot<mirror::ObjectArray<mirror::Class>> class_roots_; |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1141 | |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 1142 | // The interface table used by all arrays. |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 1143 | GcRoot<mirror::IfTable> array_iftable_; |
Carl Shapiro | 565f507 | 2011-07-10 13:39:43 -0700 | [diff] [blame] | 1144 | |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 1145 | // A cache of the last FindArrayClass results. The cache serves to avoid creating array class |
| 1146 | // descriptors for the sake of performing FindClass. |
| 1147 | static constexpr size_t kFindArrayCacheSize = 16; |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 1148 | GcRoot<mirror::Class> find_array_class_cache_[kFindArrayCacheSize]; |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 1149 | size_t find_array_class_cache_next_victim_; |
| 1150 | |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1151 | bool init_done_; |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 1152 | bool log_new_class_table_roots_ GUARDED_BY(Locks::classlinker_classes_lock_); |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1153 | |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 1154 | InternTable* intern_table_; |
| 1155 | |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1156 | // Trampolines within the image the bounce to runtime entrypoints. Done so that there is a single |
| 1157 | // patch point within the image. TODO: make these proper relocations. |
Jeff Hao | 0aba0ba | 2013-06-03 14:49:28 -0700 | [diff] [blame] | 1158 | const void* quick_resolution_trampoline_; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1159 | const void* quick_imt_conflict_trampoline_; |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 1160 | const void* quick_generic_jni_trampoline_; |
Vladimir Marko | 8a63057 | 2014-04-09 18:45:35 +0100 | [diff] [blame] | 1161 | const void* quick_to_interpreter_bridge_trampoline_; |
Jeff Hao | 0aba0ba | 2013-06-03 14:49:28 -0700 | [diff] [blame] | 1162 | |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 1163 | // Image pointer size. |
| 1164 | size_t image_pointer_size_; |
| 1165 | |
Mathieu Chartier | f9c6fc6 | 2015-10-07 11:44:05 -0700 | [diff] [blame] | 1166 | friend class ImageDumper; // for DexLock |
Brian Carlstrom | 34f426c | 2011-10-04 12:58:02 -0700 | [diff] [blame] | 1167 | friend class ImageWriter; // for GetClassRoots |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1168 | friend class JniCompilerTest; // for GetRuntimeQuickGenericJniStub |
Andreas Gampe | 5f4a09a | 2015-09-28 13:16:33 -0700 | [diff] [blame] | 1169 | friend class JniInternalTest; // for GetRuntimeQuickGenericJniStub |
Mathieu Chartier | 7617216 | 2016-01-26 14:54:06 -0800 | [diff] [blame] | 1170 | ART_FRIEND_TEST(ClassLinkerTest, RegisterDexFileName); // for DexLock, and RegisterDexFileLocked |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1171 | ART_FRIEND_TEST(mirror::DexCacheTest, Open); // for AllocDexCache |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1172 | DISALLOW_COPY_AND_ASSIGN(ClassLinker); |
| 1173 | }; |
| 1174 | |
| 1175 | } // namespace art |
| 1176 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 1177 | #endif // ART_RUNTIME_CLASS_LINKER_H_ |