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" |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 28 | #include "base/enums.h" |
Mathieu Chartier | c2e2062 | 2014-11-03 11:41:47 -0800 | [diff] [blame] | 29 | #include "base/hash_set.h" |
Elliott Hughes | 7616005 | 2012-12-12 16:31:20 -0800 | [diff] [blame] | 30 | #include "base/macros.h" |
Elliott Hughes | 76b6167 | 2012-12-12 17:47:30 -0800 | [diff] [blame] | 31 | #include "base/mutex.h" |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 32 | #include "class_table.h" |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 33 | #include "dex_cache_resolved_classes.h" |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 34 | #include "dex_file.h" |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 35 | #include "dex_file_types.h" |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 36 | #include "gc_root.h" |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 37 | #include "jni.h" |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 38 | #include "mirror/class.h" |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 39 | #include "object_callbacks.h" |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 40 | #include "verifier/method_verifier.h" |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 41 | #include "verifier/verifier_log_mode.h" |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 42 | |
| 43 | namespace art { |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 44 | |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 45 | namespace gc { |
| 46 | namespace space { |
| 47 | class ImageSpace; |
| 48 | } // namespace space |
| 49 | } // namespace gc |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 50 | namespace mirror { |
Ian Rogers | 33e9566 | 2013-05-20 20:29:14 -0700 | [diff] [blame] | 51 | class ClassLoader; |
| 52 | class DexCache; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 53 | class DexCachePointerArray; |
Narayan Kamath | 25352fc | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 54 | class DexCacheMethodHandlesTest_Open_Test; |
Ian Rogers | 33e9566 | 2013-05-20 20:29:14 -0700 | [diff] [blame] | 55 | class DexCacheTest_Open_Test; |
| 56 | class IfTable; |
Narayan Kamath | afa4827 | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 57 | class MethodType; |
Ian Rogers | 33e9566 | 2013-05-20 20:29:14 -0700 | [diff] [blame] | 58 | template<class T> class ObjectArray; |
| 59 | class StackTraceElement; |
| 60 | } // namespace mirror |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 61 | |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 62 | template<class T> class Handle; |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 63 | class ImtConflictTable; |
| 64 | template<typename T> class LengthPrefixedArray; |
Hiroshi Yamauchi | 679b1cf | 2015-05-21 12:05:27 -0700 | [diff] [blame] | 65 | template<class T> class MutableHandle; |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 66 | class InternTable; |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 67 | template<class T> class ObjectLock; |
Andreas Gampe | 7ba6496 | 2014-10-23 11:37:40 -0700 | [diff] [blame] | 68 | class Runtime; |
Mathieu Chartier | 2b7c4d1 | 2014-05-19 10:52:16 -0700 | [diff] [blame] | 69 | class ScopedObjectAccessAlreadyRunnable; |
Mathieu Chartier | 2d2621a | 2014-10-23 16:48:06 -0700 | [diff] [blame] | 70 | template<size_t kNumReferences> class PACKED(4) StackHandleScope; |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 71 | |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 72 | enum VisitRootFlags : uint8_t; |
| 73 | |
Mathieu Chartier | 1aa8ec2 | 2016-02-01 10:34:47 -0800 | [diff] [blame] | 74 | class ClassVisitor { |
| 75 | public: |
| 76 | virtual ~ClassVisitor() {} |
| 77 | // Return true to continue visiting. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 78 | virtual bool operator()(ObjPtr<mirror::Class> klass) = 0; |
Mathieu Chartier | 1aa8ec2 | 2016-02-01 10:34:47 -0800 | [diff] [blame] | 79 | }; |
| 80 | |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 81 | class ClassLoaderVisitor { |
| 82 | public: |
| 83 | virtual ~ClassLoaderVisitor() {} |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 84 | virtual void Visit(ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 85 | REQUIRES_SHARED(Locks::classlinker_classes_lock_, Locks::mutator_lock_) = 0; |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 86 | }; |
| 87 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 88 | class ClassLinker { |
| 89 | public: |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 90 | // Well known mirror::Class roots accessed via GetClassRoot. |
| 91 | enum ClassRoot { |
| 92 | kJavaLangClass, |
| 93 | kJavaLangObject, |
| 94 | kClassArrayClass, |
| 95 | kObjectArrayClass, |
| 96 | kJavaLangString, |
| 97 | kJavaLangDexCache, |
| 98 | kJavaLangRefReference, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 99 | kJavaLangReflectConstructor, |
Mathieu Chartier | daaf326 | 2015-03-24 13:30:28 -0700 | [diff] [blame] | 100 | kJavaLangReflectField, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 101 | kJavaLangReflectMethod, |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 102 | kJavaLangReflectProxy, |
| 103 | kJavaLangStringArrayClass, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 104 | kJavaLangReflectConstructorArrayClass, |
Mathieu Chartier | daaf326 | 2015-03-24 13:30:28 -0700 | [diff] [blame] | 105 | kJavaLangReflectFieldArrayClass, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 106 | kJavaLangReflectMethodArrayClass, |
Narayan Kamath | afa4827 | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 107 | kJavaLangInvokeMethodHandleImpl, |
| 108 | kJavaLangInvokeMethodType, |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 109 | kJavaLangClassLoader, |
| 110 | kJavaLangThrowable, |
| 111 | kJavaLangClassNotFoundException, |
| 112 | kJavaLangStackTraceElement, |
Narayan Kamath | 000e188 | 2016-10-24 17:14:25 +0100 | [diff] [blame] | 113 | kDalvikSystemEmulatedStackFrame, |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 114 | kPrimitiveBoolean, |
| 115 | kPrimitiveByte, |
| 116 | kPrimitiveChar, |
| 117 | kPrimitiveDouble, |
| 118 | kPrimitiveFloat, |
| 119 | kPrimitiveInt, |
| 120 | kPrimitiveLong, |
| 121 | kPrimitiveShort, |
| 122 | kPrimitiveVoid, |
| 123 | kBooleanArrayClass, |
| 124 | kByteArrayClass, |
| 125 | kCharArrayClass, |
| 126 | kDoubleArrayClass, |
| 127 | kFloatArrayClass, |
| 128 | kIntArrayClass, |
| 129 | kLongArrayClass, |
| 130 | kShortArrayClass, |
| 131 | kJavaLangStackTraceElementArrayClass, |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 132 | kDalvikSystemClassExt, |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 133 | kClassRootsMax, |
| 134 | }; |
| 135 | |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 136 | explicit ClassLinker(InternTable* intern_table); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 137 | ~ClassLinker(); |
Carl Shapiro | 565f507 | 2011-07-10 13:39:43 -0700 | [diff] [blame] | 138 | |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 139 | // Initialize class linker by bootstraping from dex files. |
Andreas Gampe | 3db9c5d | 2015-11-17 11:52:46 -0800 | [diff] [blame] | 140 | bool InitWithoutImage(std::vector<std::unique_ptr<const DexFile>> boot_class_path, |
| 141 | std::string* error_msg) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 142 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 143 | REQUIRES(!Locks::dex_lock_); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 144 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 145 | // Initialize class linker from one or more boot images. |
| 146 | bool InitFromBootImage(std::string* error_msg) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 147 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 148 | REQUIRES(!Locks::dex_lock_); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 149 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 150 | // Add an image space to the class linker, may fix up classloader fields and dex cache fields. |
| 151 | // The dex files that were newly opened for the space are placed in the out argument |
| 152 | // out_dex_files. Returns true if the operation succeeded. |
| 153 | // The space must be already added to the heap before calling AddImageSpace since we need to |
| 154 | // properly handle read barriers and object marking. |
| 155 | bool AddImageSpace(gc::space::ImageSpace* space, |
| 156 | Handle<mirror::ClassLoader> class_loader, |
| 157 | jobjectArray dex_elements, |
| 158 | const char* dex_location, |
| 159 | std::vector<std::unique_ptr<const DexFile>>* out_dex_files, |
| 160 | std::string* error_msg) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 161 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 162 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 163 | |
Mathieu Chartier | 0b4cbd0 | 2016-03-08 16:49:58 -0800 | [diff] [blame] | 164 | bool OpenImageDexFiles(gc::space::ImageSpace* space, |
| 165 | std::vector<std::unique_ptr<const DexFile>>* out_dex_files, |
| 166 | std::string* error_msg) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 167 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 168 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 0b4cbd0 | 2016-03-08 16:49:58 -0800 | [diff] [blame] | 169 | |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 170 | // Finds a class by its descriptor, loading it if necessary. |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 171 | // If class_loader is null, searches boot_class_path_. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 172 | mirror::Class* FindClass(Thread* self, |
| 173 | const char* descriptor, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 174 | Handle<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 175 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 176 | REQUIRES(!Locks::dex_lock_); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 177 | |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 178 | // Finds a class by its descriptor using the "system" class loader, ie by searching the |
| 179 | // boot_class_path_. |
| 180 | mirror::Class* FindSystemClass(Thread* self, const char* descriptor) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 181 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 182 | REQUIRES(!Locks::dex_lock_); |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 183 | |
| 184 | // Finds the array class given for the element class. |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 185 | mirror::Class* FindArrayClass(Thread* self, ObjPtr<mirror::Class>* element_class) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 186 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 187 | REQUIRES(!Locks::dex_lock_); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 188 | |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 189 | // Returns true if the class linker is initialized. |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 190 | bool IsInitialized() const { |
| 191 | return init_done_; |
| 192 | } |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 193 | |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 194 | // Define a new a class based on a ClassDef from a DexFile |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 195 | mirror::Class* DefineClass(Thread* self, |
| 196 | const char* descriptor, |
| 197 | size_t hash, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 198 | Handle<mirror::ClassLoader> class_loader, |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 199 | const DexFile& dex_file, |
| 200 | const DexFile::ClassDef& dex_class_def) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 201 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 202 | REQUIRES(!Locks::dex_lock_); |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 203 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 204 | // 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] | 205 | // by the given 'class_loader'. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 206 | mirror::Class* LookupClass(Thread* self, |
| 207 | const char* descriptor, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 208 | ObjPtr<mirror::ClassLoader> class_loader) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 209 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | 34ee684 | 2014-12-02 15:43:52 -0800 | [diff] [blame] | 210 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 211 | return LookupClass(self, descriptor, ComputeModifiedUtf8Hash(descriptor), class_loader); |
| 212 | } |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 213 | |
Elliott Hughes | 6fa602d | 2011-12-02 17:54:25 -0800 | [diff] [blame] | 214 | // Finds all the classes with the given descriptor, regardless of ClassLoader. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 215 | void LookupClasses(const char* descriptor, std::vector<ObjPtr<mirror::Class>>& classes) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 216 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 217 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 6fa602d | 2011-12-02 17:54:25 -0800 | [diff] [blame] | 218 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 219 | mirror::Class* FindPrimitiveClass(char type) REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 220 | |
Vladimir Marko | 2c8c6b6 | 2016-12-01 17:42:00 +0000 | [diff] [blame] | 221 | // General class unloading is not supported, this is used to prune |
| 222 | // unwanted classes during image writing. |
| 223 | bool RemoveClass(const char* descriptor, ObjPtr<mirror::ClassLoader> class_loader) |
| 224 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 225 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 226 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 227 | void DumpForSigQuit(std::ostream& os) REQUIRES(!Locks::classlinker_classes_lock_); |
Elliott Hughes | cac6cc7 | 2011-11-03 20:31:21 -0700 | [diff] [blame] | 228 | |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 229 | size_t NumLoadedClasses() |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 230 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 231 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | e27955c | 2011-08-26 15:21:24 -0700 | [diff] [blame] | 232 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 233 | // Resolve a String with the given index from the DexFile, storing the |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 234 | // result in the DexCache. The referrer is used to identify the |
| 235 | // target DexCache and ClassLoader to use for resolution. |
Andreas Gampe | 8a0128a | 2016-11-28 07:38:35 -0800 | [diff] [blame] | 236 | mirror::String* ResolveString(dex::StringIndex string_idx, ArtMethod* referrer) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 237 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 238 | |
| 239 | // Resolve a String with the given index from the DexFile, storing the |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 240 | // result in the DexCache. |
Andreas Gampe | 8a0128a | 2016-11-28 07:38:35 -0800 | [diff] [blame] | 241 | mirror::String* ResolveString(const DexFile& dex_file, |
| 242 | dex::StringIndex string_idx, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 243 | Handle<mirror::DexCache> dex_cache) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 244 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 245 | |
Vladimir Marko | cac5a7e | 2016-02-22 10:39:50 +0000 | [diff] [blame] | 246 | // Find a String with the given index from the DexFile, storing the |
| 247 | // result in the DexCache if found. Return null if not found. |
Andreas Gampe | 8a0128a | 2016-11-28 07:38:35 -0800 | [diff] [blame] | 248 | mirror::String* LookupString(const DexFile& dex_file, |
| 249 | dex::StringIndex string_idx, |
Vladimir Marko | cac5a7e | 2016-02-22 10:39:50 +0000 | [diff] [blame] | 250 | Handle<mirror::DexCache> dex_cache) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 251 | REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | cac5a7e | 2016-02-22 10:39:50 +0000 | [diff] [blame] | 252 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 253 | // Resolve a Type with the given index from the DexFile, storing the |
Roland Levillain | ab880f4 | 2016-05-12 16:24:36 +0100 | [diff] [blame] | 254 | // result in the DexCache. The referrer is used to identify the |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 255 | // target DexCache and ClassLoader to use for resolution. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 256 | mirror::Class* ResolveType(const DexFile& dex_file, |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 257 | dex::TypeIndex type_idx, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 258 | ObjPtr<mirror::Class> referrer) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 259 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 260 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 261 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 262 | // Resolve a Type with the given index from the DexFile, storing the |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 263 | // result in the DexCache. The referrer is used to identify the |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 264 | // target DexCache and ClassLoader to use for resolution. |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 265 | mirror::Class* ResolveType(dex::TypeIndex type_idx, ArtMethod* referrer) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 266 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 267 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 268 | |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 269 | mirror::Class* ResolveType(dex::TypeIndex type_idx, ArtField* referrer) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 270 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 271 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 272 | |
Mathieu Chartier | b890130 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 273 | // Look up a resolved type with the given ID from the DexFile. The ClassLoader is used to search |
| 274 | // for the type, since it may be referenced from but not contained within the given DexFile. |
| 275 | ObjPtr<mirror::Class> LookupResolvedType(const DexFile& dex_file, |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 276 | dex::TypeIndex type_idx, |
Mathieu Chartier | b890130 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 277 | ObjPtr<mirror::DexCache> dex_cache, |
| 278 | ObjPtr<mirror::ClassLoader> class_loader) |
| 279 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 280 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 281 | // Resolve a type with the given ID from the DexFile, storing the |
| 282 | // result in DexCache. The ClassLoader is used to search for the |
| 283 | // type, since it may be referenced from but not contained within |
| 284 | // the given DexFile. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 285 | mirror::Class* ResolveType(const DexFile& dex_file, |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 286 | dex::TypeIndex type_idx, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 287 | Handle<mirror::DexCache> dex_cache, |
| 288 | Handle<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 289 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 290 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 291 | |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 292 | // Determine whether a dex cache result should be trusted, or an IncompatibleClassChangeError |
| 293 | // check should be performed even after a hit. |
| 294 | enum ResolveMode { // private. |
| 295 | kNoICCECheckForCache, |
| 296 | kForceICCECheck |
| 297 | }; |
| 298 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 299 | // Resolve a method with a given ID from the DexFile, storing the |
| 300 | // result in DexCache. The ClassLinker and ClassLoader are used as |
| 301 | // in ResolveType. What is unique is the method type argument which |
| 302 | // is used to determine if this method is a direct, static, or |
| 303 | // virtual method. |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 304 | template <ResolveMode kResolveMode> |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 305 | ArtMethod* ResolveMethod(const DexFile& dex_file, |
| 306 | uint32_t method_idx, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 307 | Handle<mirror::DexCache> dex_cache, |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 308 | Handle<mirror::ClassLoader> class_loader, |
| 309 | ArtMethod* referrer, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 310 | InvokeType type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 311 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 312 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 313 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 314 | ArtMethod* GetResolvedMethod(uint32_t method_idx, ArtMethod* referrer) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 315 | REQUIRES_SHARED(Locks::mutator_lock_); |
Alex Light | fedd91d | 2016-01-07 14:49:16 -0800 | [diff] [blame] | 316 | |
| 317 | // This returns the class referred to by GetMethodId(method_idx).class_idx_. This might be |
| 318 | // different then the declaring class of the resolved method due to copied |
| 319 | // miranda/default/conflict methods. |
Nicolas Geoffray | 393fdb8 | 2016-04-25 14:58:06 +0100 | [diff] [blame] | 320 | mirror::Class* ResolveReferencedClassOfMethod(uint32_t method_idx, |
| 321 | Handle<mirror::DexCache> dex_cache, |
| 322 | Handle<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 323 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 324 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 325 | template <ResolveMode kResolveMode> |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 326 | ArtMethod* ResolveMethod(Thread* self, uint32_t method_idx, ArtMethod* referrer, InvokeType type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 327 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 328 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Jeff Hao | 0042c6d | 2015-07-29 20:14:10 -0700 | [diff] [blame] | 329 | ArtMethod* ResolveMethodWithoutInvokeType(const DexFile& dex_file, |
| 330 | uint32_t method_idx, |
| 331 | Handle<mirror::DexCache> dex_cache, |
| 332 | Handle<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 333 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 334 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 1619286 | 2011-09-12 17:50:06 -0700 | [diff] [blame] | 335 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 336 | ArtField* GetResolvedField(uint32_t field_idx, ObjPtr<mirror::Class> field_declaring_class) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 337 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 338 | ArtField* GetResolvedField(uint32_t field_idx, ObjPtr<mirror::DexCache> dex_cache) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 339 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 340 | ArtField* ResolveField(uint32_t field_idx, ArtMethod* referrer, bool is_static) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 341 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 342 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 343 | |
Brian Carlstrom | 1619286 | 2011-09-12 17:50:06 -0700 | [diff] [blame] | 344 | // Resolve a field with a given ID from the DexFile, storing the |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 345 | // result in DexCache. The ClassLinker and ClassLoader are used as |
| 346 | // in ResolveType. What is unique is the is_static argument which is |
| 347 | // used to determine if we are resolving a static or non-static |
| 348 | // field. |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 349 | ArtField* ResolveField(const DexFile& dex_file, uint32_t field_idx, |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 350 | Handle<mirror::DexCache> dex_cache, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 351 | Handle<mirror::ClassLoader> class_loader, bool is_static) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 352 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 353 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 354 | |
Ian Rogers | b067ac2 | 2011-12-13 18:05:09 -0800 | [diff] [blame] | 355 | // Resolve a field with a given ID from the DexFile, storing the |
| 356 | // result in DexCache. The ClassLinker and ClassLoader are used as |
| 357 | // in ResolveType. No is_static argument is provided so that Java |
| 358 | // field resolution semantics are followed. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 359 | ArtField* ResolveFieldJLS(const DexFile& dex_file, |
| 360 | uint32_t field_idx, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 361 | Handle<mirror::DexCache> dex_cache, |
| 362 | Handle<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 363 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 364 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Ian Rogers | b067ac2 | 2011-12-13 18:05:09 -0800 | [diff] [blame] | 365 | |
Narayan Kamath | 25352fc | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 366 | // Resolve a method type with a given ID from the DexFile, storing |
| 367 | // the result in the DexCache. |
| 368 | mirror::MethodType* ResolveMethodType(const DexFile& dex_file, |
| 369 | uint32_t proto_idx, |
| 370 | Handle<mirror::DexCache> dex_cache, |
| 371 | Handle<mirror::ClassLoader> class_loader) |
| 372 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 373 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 374 | |
Elliott Hughes | f4c21c9 | 2011-08-19 17:31:31 -0700 | [diff] [blame] | 375 | // Returns true on success, false if there's an exception pending. |
Brian Carlstrom | 25c3325 | 2011-09-18 15:58:35 -0700 | [diff] [blame] | 376 | // can_run_clinit=false allows the compiler to attempt to init a class, |
| 377 | // given the restriction that no <clinit> execution is possible. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 378 | bool EnsureInitialized(Thread* self, |
| 379 | Handle<mirror::Class> c, |
| 380 | bool can_init_fields, |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 381 | bool can_init_parents) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 382 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 383 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 384 | |
Elliott Hughes | 2a20cfd | 2011-09-23 19:30:41 -0700 | [diff] [blame] | 385 | // Initializes classes that have instances in the image but that have |
| 386 | // <clinit> methods so they could not be initialized by the compiler. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 387 | void RunRootClinits() |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 388 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 389 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Elliott Hughes | 2a20cfd | 2011-09-23 19:30:41 -0700 | [diff] [blame] | 390 | |
Mathieu Chartier | 696632e | 2016-06-03 17:47:32 -0700 | [diff] [blame] | 391 | mirror::DexCache* RegisterDexFile(const DexFile& dex_file, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 392 | ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 393 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 394 | REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 395 | void RegisterDexFile(const DexFile& dex_file, Handle<mirror::DexCache> dex_cache) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 396 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 397 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 398 | |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 399 | const std::vector<const DexFile*>& GetBootClassPath() { |
| 400 | return boot_class_path_; |
| 401 | } |
| 402 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 403 | void VisitClasses(ClassVisitor* visitor) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 404 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 405 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 406 | |
| 407 | // Less efficient variant of VisitClasses that copies the class_table_ into secondary storage |
| 408 | // so that it can visit individual classes without holding the doesn't hold the |
| 409 | // Locks::classlinker_classes_lock_. As the Locks::classlinker_classes_lock_ isn't held this code |
| 410 | // 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] | 411 | void VisitClassesWithoutClassesLock(ClassVisitor* visitor) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 412 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 413 | REQUIRES(!Locks::dex_lock_); |
Elliott Hughes | a215526 | 2011-11-16 16:26:58 -0800 | [diff] [blame] | 414 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 415 | void VisitClassRoots(RootVisitor* visitor, VisitRootFlags flags) |
Andreas Gampe | d98b4ed | 2016-11-04 20:27:24 -0700 | [diff] [blame] | 416 | REQUIRES(!Locks::classlinker_classes_lock_, !Locks::trace_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 417 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 418 | void VisitRoots(RootVisitor* visitor, VisitRootFlags flags) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 419 | REQUIRES(!Locks::dex_lock_, !Locks::classlinker_classes_lock_, !Locks::trace_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 420 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 421 | |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 422 | mirror::DexCache* FindDexCache(Thread* self, |
| 423 | const DexFile& dex_file, |
| 424 | bool allow_failure = false) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 425 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 426 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 427 | void FixupDexCaches(ArtMethod* resolution_method) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 428 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 429 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | 1d9f52b | 2011-10-13 10:50:45 -0700 | [diff] [blame] | 430 | |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 431 | // Allocate an instance of a java.lang.Object. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 432 | mirror::Object* AllocObject(Thread* self) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 433 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | 4e2cb09 | 2015-07-22 16:17:51 -0700 | [diff] [blame] | 434 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 435 | |
Elliott Hughes | 418d20f | 2011-09-22 14:00:39 -0700 | [diff] [blame] | 436 | // 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] | 437 | template <class T> |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 438 | mirror::ObjectArray<T>* AllocObjectArray(Thread* self, size_t length) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 439 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 440 | REQUIRES(!Roles::uninterruptible_); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 441 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 442 | mirror::ObjectArray<mirror::Class>* AllocClassArray(Thread* self, size_t length) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 443 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 444 | REQUIRES(!Roles::uninterruptible_); |
jeffhao | 98eacac | 2011-09-14 16:11:53 -0700 | [diff] [blame] | 445 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 446 | mirror::ObjectArray<mirror::String>* AllocStringArray(Thread* self, size_t length) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 447 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 448 | REQUIRES(!Roles::uninterruptible_); |
Mathieu Chartier | 4e2cb09 | 2015-07-22 16:17:51 -0700 | [diff] [blame] | 449 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 450 | LengthPrefixedArray<ArtField>* AllocArtFieldArray(Thread* self, |
| 451 | LinearAlloc* allocator, |
| 452 | size_t length); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 453 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 454 | LengthPrefixedArray<ArtMethod>* AllocArtMethodArray(Thread* self, |
| 455 | LinearAlloc* allocator, |
| 456 | size_t length); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 457 | |
| 458 | mirror::PointerArray* AllocPointerArray(Thread* self, size_t length) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 459 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 460 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 461 | |
| 462 | mirror::IfTable* AllocIfTable(Thread* self, size_t ifcount) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 463 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 464 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 465 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 466 | mirror::ObjectArray<mirror::StackTraceElement>* AllocStackTraceElementArray(Thread* self, |
| 467 | size_t length) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 468 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 469 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 470 | |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 471 | verifier::MethodVerifier::FailureKind VerifyClass( |
| 472 | Thread* self, |
| 473 | Handle<mirror::Class> klass, |
| 474 | verifier::HardFailLogMode log_level = verifier::HardFailLogMode::kLogNone) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 475 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 476 | REQUIRES(!Locks::dex_lock_); |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 477 | bool VerifyClassUsingOatFile(const DexFile& dex_file, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 478 | ObjPtr<mirror::Class> klass, |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 479 | mirror::Class::Status& oat_file_class_status) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 480 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 481 | REQUIRES(!Locks::dex_lock_); |
Alex Light | 5a55986 | 2016-01-29 12:24:48 -0800 | [diff] [blame] | 482 | void ResolveClassExceptionHandlerTypes(Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 483 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 484 | REQUIRES(!Locks::dex_lock_); |
Alex Light | 5a55986 | 2016-01-29 12:24:48 -0800 | [diff] [blame] | 485 | void ResolveMethodExceptionHandlerTypes(ArtMethod* klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 486 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 487 | REQUIRES(!Locks::dex_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 488 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 489 | mirror::Class* CreateProxyClass(ScopedObjectAccessAlreadyRunnable& soa, |
| 490 | jstring name, |
| 491 | jobjectArray interfaces, |
| 492 | jobject loader, |
| 493 | jobjectArray methods, |
Mathieu Chartier | 2b7c4d1 | 2014-05-19 10:52:16 -0700 | [diff] [blame] | 494 | jobjectArray throws) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 495 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 496 | std::string GetDescriptorForProxy(ObjPtr<mirror::Class> proxy_class) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 497 | REQUIRES_SHARED(Locks::mutator_lock_); |
Hiroshi Yamauchi | 7a62e67 | 2016-06-10 17:22:48 -0700 | [diff] [blame] | 498 | template<ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 499 | ArtMethod* FindMethodForProxy(ObjPtr<mirror::Class> proxy_class, ArtMethod* proxy_method) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 500 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 501 | REQUIRES_SHARED(Locks::mutator_lock_); |
Jesse Wilson | 95caa79 | 2011-10-12 18:14:17 -0400 | [diff] [blame] | 502 | |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 503 | // 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] | 504 | const void* GetQuickOatCodeFor(ArtMethod* method) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 505 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 506 | |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 507 | pid_t GetClassesLockOwner(); // For SignalCatcher. |
| 508 | pid_t GetDexLockOwner(); // For SignalCatcher. |
Brian Carlstrom | 24a3c2e | 2011-10-17 18:07:52 -0700 | [diff] [blame] | 509 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 510 | mirror::Class* GetClassRoot(ClassRoot class_root) REQUIRES_SHARED(Locks::mutator_lock_); |
Jeff Hao | 0aba0ba | 2013-06-03 14:49:28 -0700 | [diff] [blame] | 511 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 512 | static const char* GetClassRootDescriptor(ClassRoot class_root); |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 513 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 514 | // Is the given entry point quick code to run the resolution stub? |
| 515 | bool IsQuickResolutionStub(const void* entry_point) const; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 516 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 517 | // Is the given entry point quick code to bridge into the interpreter? |
| 518 | bool IsQuickToInterpreterBridge(const void* entry_point) const; |
| 519 | |
| 520 | // Is the given entry point quick code to run the generic JNI stub? |
| 521 | bool IsQuickGenericJniStub(const void* entry_point) const; |
Vladimir Marko | 8a63057 | 2014-04-09 18:45:35 +0100 | [diff] [blame] | 522 | |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 523 | const void* GetQuickToInterpreterBridgeTrampoline() const { |
| 524 | return quick_to_interpreter_bridge_trampoline_; |
| 525 | } |
| 526 | |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 527 | InternTable* GetInternTable() const { |
| 528 | return intern_table_; |
| 529 | } |
| 530 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 531 | // Set the entrypoints up for method to the given code. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 532 | void SetEntryPointsToCompiledCode(ArtMethod* method, const void* method_code) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 533 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 534 | |
| 535 | // Set the entrypoints up for method to the enter the interpreter. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 536 | void SetEntryPointsToInterpreter(ArtMethod* method) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 537 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 538 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 539 | // Attempts to insert a class into a class table. Returns null if |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 540 | // the class was inserted, otherwise returns an existing class with |
| 541 | // the same descriptor and ClassLoader. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 542 | mirror::Class* InsertClass(const char* descriptor, ObjPtr<mirror::Class> klass, size_t hash) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 543 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 544 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 545 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 546 | mirror::ObjectArray<mirror::Class>* GetClassRoots() REQUIRES_SHARED(Locks::mutator_lock_) { |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 547 | mirror::ObjectArray<mirror::Class>* class_roots = class_roots_.Read(); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 548 | DCHECK(class_roots != nullptr); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 549 | return class_roots; |
| 550 | } |
| 551 | |
Mathieu Chartier | c2e2062 | 2014-11-03 11:41:47 -0800 | [diff] [blame] | 552 | // Move the class table to the pre-zygote table to reduce memory usage. This works by ensuring |
| 553 | // that no more classes are ever added to the pre zygote table which makes it that the pages |
| 554 | // always remain shared dirty instead of private dirty. |
| 555 | void MoveClassTableToPreZygote() |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 556 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 557 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | c2e2062 | 2014-11-03 11:41:47 -0800 | [diff] [blame] | 558 | |
Andreas Gampe | 81c6f8d | 2015-03-25 17:19:53 -0700 | [diff] [blame] | 559 | // Creates a GlobalRef PathClassLoader that can be used to load classes from the given dex files. |
| 560 | // 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] | 561 | jobject CreatePathClassLoader(Thread* self, const std::vector<const DexFile*>& dex_files) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 562 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 563 | REQUIRES(!Locks::dex_lock_); |
Andreas Gampe | 81c6f8d | 2015-03-25 17:19:53 -0700 | [diff] [blame] | 564 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 565 | PointerSize GetImagePointerSize() const { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 566 | return image_pointer_size_; |
| 567 | } |
| 568 | |
| 569 | // Used by image writer for checking. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 570 | bool ClassInClassTable(ObjPtr<mirror::Class> klass) |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 571 | REQUIRES(Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 572 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | a89d7ed | 2014-12-05 10:57:13 -0800 | [diff] [blame] | 573 | |
Andreas Gampe | 8ac7595 | 2015-06-02 21:01:45 -0700 | [diff] [blame] | 574 | // Clear the ArrayClass cache. This is necessary when cleaning up for the image, as the cache |
| 575 | // entries are roots, but potentially not image classes. |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 576 | void DropFindArrayClassCache() REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 8ac7595 | 2015-06-02 21:01:45 -0700 | [diff] [blame] | 577 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 578 | // Clean up class loaders, this needs to happen after JNI weak globals are cleared. |
| 579 | void CleanupClassLoaders() |
Mathieu Chartier | 00310e0 | 2015-10-17 12:46:42 -0700 | [diff] [blame] | 580 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 581 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 582 | |
Mathieu Chartier | 32cc9ee | 2015-10-15 09:19:15 -0700 | [diff] [blame] | 583 | // Unlike GetOrCreateAllocatorForClassLoader, GetAllocatorForClassLoader asserts that the |
| 584 | // allocator for this class loader is already created. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 585 | LinearAlloc* GetAllocatorForClassLoader(ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 586 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 587 | |
Mathieu Chartier | d57d454 | 2015-10-14 10:55:30 -0700 | [diff] [blame] | 588 | // Return the linear alloc for a class loader if it is already allocated, otherwise allocate and |
| 589 | // set it. TODO: Consider using a lock other than classlinker_classes_lock_. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 590 | LinearAlloc* GetOrCreateAllocatorForClassLoader(ObjPtr<mirror::ClassLoader> class_loader) |
Mathieu Chartier | 00310e0 | 2015-10-17 12:46:42 -0700 | [diff] [blame] | 591 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 592 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 00310e0 | 2015-10-17 12:46:42 -0700 | [diff] [blame] | 593 | |
Mathieu Chartier | 6d25cf6 | 2016-04-12 16:54:48 -0700 | [diff] [blame] | 594 | // May be called with null class_loader due to legacy code. b/27954959 |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 595 | void InsertDexFileInToClassLoader(ObjPtr<mirror::Object> dex_file, |
| 596 | ObjPtr<mirror::ClassLoader> class_loader) |
Mathieu Chartier | 00310e0 | 2015-10-17 12:46:42 -0700 | [diff] [blame] | 597 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 598 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | d57d454 | 2015-10-14 10:55:30 -0700 | [diff] [blame] | 599 | |
Tamas Berghammer | dd5e5e9 | 2016-02-12 16:29:00 +0000 | [diff] [blame] | 600 | static bool ShouldUseInterpreterEntrypoint(ArtMethod* method, const void* quick_code) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 601 | REQUIRES_SHARED(Locks::mutator_lock_); |
Tamas Berghammer | dd5e5e9 | 2016-02-12 16:29:00 +0000 | [diff] [blame] | 602 | |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 603 | std::set<DexCacheResolvedClasses> GetResolvedClasses(bool ignore_boot_classes) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 604 | REQUIRES(!Locks::dex_lock_); |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 605 | |
| 606 | std::unordered_set<std::string> GetClassDescriptorsForProfileKeys( |
| 607 | const std::set<DexCacheResolvedClasses>& classes) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 608 | REQUIRES(!Locks::dex_lock_); |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 609 | |
Jeff Hao | f0192c8 | 2016-03-28 20:39:50 -0700 | [diff] [blame] | 610 | static bool IsBootClassLoader(ScopedObjectAccessAlreadyRunnable& soa, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 611 | ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 612 | REQUIRES_SHARED(Locks::mutator_lock_); |
Jeff Hao | f0192c8 | 2016-03-28 20:39:50 -0700 | [diff] [blame] | 613 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 614 | ArtMethod* AddMethodToConflictTable(ObjPtr<mirror::Class> klass, |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 615 | ArtMethod* conflict_method, |
| 616 | ArtMethod* interface_method, |
| 617 | ArtMethod* method, |
| 618 | bool force_new_conflict_method) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 619 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 620 | |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 621 | // Create a conflict table with a specified capacity. |
| 622 | ImtConflictTable* CreateImtConflictTable(size_t count, LinearAlloc* linear_alloc); |
| 623 | |
| 624 | // Static version for when the class linker is not yet created. |
| 625 | static ImtConflictTable* CreateImtConflictTable(size_t count, |
| 626 | LinearAlloc* linear_alloc, |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 627 | PointerSize pointer_size); |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 628 | |
| 629 | |
| 630 | // Create the IMT and conflict tables for a class. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 631 | void FillIMTAndConflictTables(ObjPtr<mirror::Class> klass) REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 632 | |
Mathieu Chartier | 696632e | 2016-06-03 17:47:32 -0700 | [diff] [blame] | 633 | // Clear class table strong roots (other than classes themselves). This is done by dex2oat to |
| 634 | // allow pruning dex caches. |
| 635 | void ClearClassTableStrongRoots() const |
| 636 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 637 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 638 | |
Jeff Hao | c92a7a1 | 2016-06-06 11:09:20 -0700 | [diff] [blame] | 639 | // Throw the class initialization failure recorded when first trying to initialize the given |
| 640 | // class. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 641 | void ThrowEarlierClassFailure(ObjPtr<mirror::Class> c, bool wrap_in_no_class_def = false) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 642 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 643 | REQUIRES(!Locks::dex_lock_); |
Jeff Hao | c92a7a1 | 2016-06-06 11:09:20 -0700 | [diff] [blame] | 644 | |
Mathieu Chartier | 6597577 | 2016-08-05 10:46:36 -0700 | [diff] [blame] | 645 | // Get the actual holding class for a copied method. Pretty slow, don't call often. |
| 646 | mirror::Class* GetHoldingClassOfCopiedMethod(ArtMethod* method) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 647 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 6597577 | 2016-08-05 10:46:36 -0700 | [diff] [blame] | 648 | |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 649 | struct DexCacheData { |
| 650 | // Weak root to the DexCache. Note: Do not decode this unnecessarily or else class unloading may |
| 651 | // not work properly. |
| 652 | jweak weak_root; |
| 653 | // The following two fields are caches to the DexCache's fields and here to avoid unnecessary |
| 654 | // jweak decode that triggers read barriers (and mark them alive unnecessarily and mess with |
| 655 | // class unloading.) |
| 656 | const DexFile* dex_file; |
| 657 | GcRoot<mirror::Class>* resolved_types; |
| 658 | }; |
| 659 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 660 | private: |
| 661 | struct ClassLoaderData { |
Mathieu Chartier | c3fcd41 | 2015-09-25 16:54:59 -0700 | [diff] [blame] | 662 | jweak weak_root; // Weak root to enable class unloading. |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 663 | ClassTable* class_table; |
| 664 | LinearAlloc* allocator; |
| 665 | }; |
| 666 | |
Alex Light | f1f1049 | 2015-10-07 16:08:36 -0700 | [diff] [blame] | 667 | // Ensures that the supertype of 'klass' ('supertype') is verified. Returns false and throws |
| 668 | // appropriate exceptions if verification failed hard. Returns true for successful verification or |
| 669 | // soft-failures. |
| 670 | bool AttemptSupertypeVerification(Thread* self, |
| 671 | Handle<mirror::Class> klass, |
| 672 | Handle<mirror::Class> supertype) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 673 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 674 | REQUIRES_SHARED(Locks::mutator_lock_); |
Alex Light | f1f1049 | 2015-10-07 16:08:36 -0700 | [diff] [blame] | 675 | |
Nicolas Geoffray | 1dad3f6 | 2015-10-23 14:59:54 +0100 | [diff] [blame] | 676 | static void DeleteClassLoader(Thread* self, const ClassLoaderData& data) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 677 | REQUIRES_SHARED(Locks::mutator_lock_); |
Nicolas Geoffray | 1dad3f6 | 2015-10-23 14:59:54 +0100 | [diff] [blame] | 678 | |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 679 | void VisitClassLoaders(ClassLoaderVisitor* visitor) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 680 | REQUIRES_SHARED(Locks::classlinker_classes_lock_, Locks::mutator_lock_); |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 681 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 682 | void VisitClassesInternal(ClassVisitor* visitor) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 683 | REQUIRES_SHARED(Locks::classlinker_classes_lock_, Locks::mutator_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 684 | |
| 685 | // Returns the number of zygote and image classes. |
Mathieu Chartier | 6b06953 | 2015-08-05 15:08:12 -0700 | [diff] [blame] | 686 | size_t NumZygoteClasses() const |
| 687 | REQUIRES(Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 688 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 689 | |
| 690 | // Returns the number of non zygote nor image classes. |
Mathieu Chartier | 6b06953 | 2015-08-05 15:08:12 -0700 | [diff] [blame] | 691 | size_t NumNonZygoteClasses() const |
| 692 | REQUIRES(Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 693 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 694 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 695 | void FinishInit(Thread* self) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 696 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 697 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 698 | |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 699 | // For early bootstrapping by Init |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 700 | mirror::Class* AllocClass(Thread* self, |
| 701 | ObjPtr<mirror::Class> java_lang_Class, |
| 702 | uint32_t class_size) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 703 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 704 | REQUIRES(!Roles::uninterruptible_); |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 705 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 706 | // Alloc* convenience functions to avoid needing to pass in mirror::Class* |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 707 | // values that are known to the ClassLinker such as |
| 708 | // kObjectArrayClass and kJavaLangString etc. |
Ian Rogers | 6fac447 | 2014-02-25 17:01:10 -0800 | [diff] [blame] | 709 | mirror::Class* AllocClass(Thread* self, uint32_t class_size) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 710 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 711 | REQUIRES(!Roles::uninterruptible_); |
Mathieu Chartier | 6c60d84 | 2016-09-15 10:24:43 -0700 | [diff] [blame] | 712 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 713 | mirror::DexCache* AllocDexCache(ObjPtr<mirror::String>* out_location, |
Mathieu Chartier | 6c60d84 | 2016-09-15 10:24:43 -0700 | [diff] [blame] | 714 | Thread* self, |
| 715 | const DexFile& dex_file) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 716 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 717 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 718 | |
Mathieu Chartier | 6c60d84 | 2016-09-15 10:24:43 -0700 | [diff] [blame] | 719 | // Used for tests and AppendToBootClassPath. |
| 720 | mirror::DexCache* AllocAndInitializeDexCache(Thread* self, |
| 721 | const DexFile& dex_file, |
| 722 | LinearAlloc* linear_alloc) |
| 723 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 724 | REQUIRES(!Locks::dex_lock_) |
Mathieu Chartier | 6c60d84 | 2016-09-15 10:24:43 -0700 | [diff] [blame] | 725 | REQUIRES(!Roles::uninterruptible_); |
| 726 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 727 | mirror::Class* CreatePrimitiveClass(Thread* self, Primitive::Type type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 728 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 729 | REQUIRES(!Roles::uninterruptible_); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 730 | mirror::Class* InitializePrimitiveClass(ObjPtr<mirror::Class> primitive_class, |
| 731 | Primitive::Type type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 732 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 733 | REQUIRES(!Roles::uninterruptible_); |
Brian Carlstrom | a331b3c | 2011-07-18 17:47:56 -0700 | [diff] [blame] | 734 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 735 | mirror::Class* CreateArrayClass(Thread* self, |
| 736 | const char* descriptor, |
| 737 | size_t hash, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 738 | Handle<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 739 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 740 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | a331b3c | 2011-07-18 17:47:56 -0700 | [diff] [blame] | 741 | |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 742 | void AppendToBootClassPath(Thread* self, const DexFile& dex_file) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 743 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 744 | REQUIRES(!Locks::dex_lock_); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 745 | void AppendToBootClassPath(const DexFile& dex_file, Handle<mirror::DexCache> dex_cache) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 746 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 747 | REQUIRES(!Locks::dex_lock_); |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 748 | |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 749 | // Precomputes size needed for Class, in the case of a non-temporary class this size must be |
| 750 | // sufficient to hold all static fields. |
| 751 | uint32_t SizeOfClassWithoutEmbeddedTables(const DexFile& dex_file, |
| 752 | const DexFile::ClassDef& dex_class_def); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 753 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 754 | // Setup the classloader, class def index, type idx so that we can insert this class in the class |
| 755 | // table. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 756 | void SetupClass(const DexFile& dex_file, |
| 757 | const DexFile::ClassDef& dex_class_def, |
| 758 | Handle<mirror::Class> klass, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 759 | ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 760 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 761 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 762 | void LoadClass(Thread* self, |
| 763 | const DexFile& dex_file, |
| 764 | const DexFile::ClassDef& dex_class_def, |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 765 | Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 766 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 767 | void LoadClassMembers(Thread* self, |
| 768 | const DexFile& dex_file, |
| 769 | const uint8_t* class_data, |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 770 | Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 771 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 772 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 773 | void LoadField(const ClassDataItemIterator& it, Handle<mirror::Class> klass, ArtField* dst) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 774 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 775 | |
Mathieu Chartier | 268764d | 2016-09-13 12:09:38 -0700 | [diff] [blame] | 776 | void LoadMethod(const DexFile& dex_file, |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 777 | const ClassDataItemIterator& it, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 778 | Handle<mirror::Class> klass, ArtMethod* dst) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 779 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | 934486c | 2011-07-12 23:42:50 -0700 | [diff] [blame] | 780 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 781 | void FixupStaticTrampolines(ObjPtr<mirror::Class> klass) REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 782 | |
Nicolas Geoffray | 7d8d8ff | 2016-11-02 12:38:05 +0000 | [diff] [blame] | 783 | // Finds a class in a Path- or DexClassLoader, loading it if necessary without using JNI. Hash |
Andreas Gampe | 34ee684 | 2014-12-02 15:43:52 -0800 | [diff] [blame] | 784 | // function is supposed to be ComputeModifiedUtf8Hash(descriptor). Returns true if the |
| 785 | // class-loader chain could be handled, false otherwise, i.e., a non-supported class-loader |
| 786 | // was encountered while walking the parent chain (currently only BootClassLoader and |
| 787 | // PathClassLoader are supported). |
Nicolas Geoffray | 7d8d8ff | 2016-11-02 12:38:05 +0000 | [diff] [blame] | 788 | bool FindClassInBaseDexClassLoader(ScopedObjectAccessAlreadyRunnable& soa, |
| 789 | Thread* self, |
| 790 | const char* descriptor, |
| 791 | size_t hash, |
| 792 | Handle<mirror::ClassLoader> class_loader, |
| 793 | ObjPtr<mirror::Class>* result) |
Andreas Gampe | 34ee684 | 2014-12-02 15:43:52 -0800 | [diff] [blame] | 794 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 795 | REQUIRES(!Locks::dex_lock_); |
Andreas Gampe | 34ee684 | 2014-12-02 15:43:52 -0800 | [diff] [blame] | 796 | |
| 797 | // Finds a class by its descriptor, returning NULL if it isn't wasn't loaded |
| 798 | // by the given 'class_loader'. Uses the provided hash for the descriptor. |
| 799 | mirror::Class* LookupClass(Thread* self, |
| 800 | const char* descriptor, |
| 801 | size_t hash, |
| 802 | ObjPtr<mirror::ClassLoader> class_loader) |
| 803 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 804 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 805 | |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 806 | void RegisterDexFileLocked(const DexFile& dex_file, Handle<mirror::DexCache> dex_cache) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 807 | REQUIRES(Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 808 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 809 | mirror::DexCache* FindDexCacheLocked(Thread* self, const DexFile& dex_file, bool allow_failure) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 810 | REQUIRES(Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 811 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 812 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 813 | bool InitializeClass(Thread* self, |
| 814 | Handle<mirror::Class> klass, |
| 815 | bool can_run_clinit, |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 816 | bool can_init_parents) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 817 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 818 | REQUIRES(!Locks::dex_lock_); |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 819 | bool InitializeDefaultInterfaceRecursive(Thread* self, |
| 820 | Handle<mirror::Class> klass, |
| 821 | bool can_run_clinit, |
| 822 | bool can_init_parents) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 823 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 824 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 825 | bool WaitForInitializeClass(Handle<mirror::Class> klass, |
| 826 | Thread* self, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 827 | ObjectLock<mirror::Class>& lock); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 828 | bool ValidateSuperClassDescriptors(Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 829 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 830 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 831 | bool IsSameDescriptorInDifferentClassContexts(Thread* self, |
| 832 | const char* descriptor, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 833 | Handle<mirror::ClassLoader> class_loader1, |
| 834 | Handle<mirror::ClassLoader> class_loader2) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 835 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 836 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 837 | bool IsSameMethodSignatureInDifferentClassContexts(Thread* self, |
| 838 | ArtMethod* method, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 839 | ObjPtr<mirror::Class> klass1, |
| 840 | ObjPtr<mirror::Class> klass2) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 841 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 842 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 843 | bool LinkClass(Thread* self, |
| 844 | const char* descriptor, |
| 845 | Handle<mirror::Class> klass, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 846 | Handle<mirror::ObjectArray<mirror::Class>> interfaces, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 847 | MutableHandle<mirror::Class>* h_new_class_out) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 848 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 849 | REQUIRES(!Locks::classlinker_classes_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 850 | |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 851 | bool LinkSuperClass(Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 852 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 853 | |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 854 | bool LoadSuperAndInterfaces(Handle<mirror::Class> klass, const DexFile& dex_file) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 855 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 856 | REQUIRES(!Locks::dex_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 857 | |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 858 | bool LinkMethods(Thread* self, |
| 859 | Handle<mirror::Class> klass, |
Mathieu Chartier | 2d2621a | 2014-10-23 16:48:06 -0700 | [diff] [blame] | 860 | Handle<mirror::ObjectArray<mirror::Class>> interfaces, |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 861 | bool* out_new_conflict, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 862 | ArtMethod** out_imt) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 863 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 864 | |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 865 | // A wrapper class representing the result of a method translation used for linking methods and |
| 866 | // updating superclass default methods. For each method in a classes vtable there are 4 states it |
| 867 | // could be in: |
| 868 | // 1) No translation is necessary. In this case there is no MethodTranslation object for it. This |
| 869 | // is the standard case and is true when the method is not overridable by a default method, |
| 870 | // the class defines a concrete implementation of the method, the default method implementation |
| 871 | // remains the same, or an abstract method stayed abstract. |
| 872 | // 2) The method must be translated to a different default method. We note this with |
| 873 | // CreateTranslatedMethod. |
| 874 | // 3) The method must be replaced with a conflict method. This happens when a superclass |
| 875 | // implements an interface with a default method and this class implements an unrelated |
| 876 | // interface that also defines that default method. We note this with CreateConflictingMethod. |
| 877 | // 4) The method must be replaced with an abstract miranda method. This happens when a superclass |
| 878 | // implements an interface with a default method and this class implements a subinterface of |
| 879 | // the superclass's interface which declares the default method abstract. We note this with |
| 880 | // CreateAbstractMethod. |
| 881 | // |
| 882 | // When a method translation is unnecessary (case #1), we don't put it into the |
| 883 | // default_translation maps. So an instance of MethodTranslation must be in one of #2-#4. |
| 884 | class MethodTranslation { |
| 885 | public: |
| 886 | // This slot must become a default conflict method. |
| 887 | static MethodTranslation CreateConflictingMethod() { |
| 888 | return MethodTranslation(Type::kConflict, /*translation*/nullptr); |
| 889 | } |
| 890 | |
| 891 | // This slot must become an abstract method. |
| 892 | static MethodTranslation CreateAbstractMethod() { |
| 893 | return MethodTranslation(Type::kAbstract, /*translation*/nullptr); |
| 894 | } |
| 895 | |
| 896 | // Use the given method as the current value for this vtable slot during translation. |
| 897 | static MethodTranslation CreateTranslatedMethod(ArtMethod* new_method) { |
| 898 | return MethodTranslation(Type::kTranslation, new_method); |
| 899 | } |
| 900 | |
| 901 | // Returns true if this is a method that must become a conflict method. |
| 902 | bool IsInConflict() const { |
| 903 | return type_ == Type::kConflict; |
| 904 | } |
| 905 | |
| 906 | // Returns true if this is a method that must become an abstract method. |
| 907 | bool IsAbstract() const { |
| 908 | return type_ == Type::kAbstract; |
| 909 | } |
| 910 | |
| 911 | // Returns true if this is a method that must become a different method. |
| 912 | bool IsTranslation() const { |
| 913 | return type_ == Type::kTranslation; |
| 914 | } |
| 915 | |
| 916 | // Get the translated version of this method. |
| 917 | ArtMethod* GetTranslation() const { |
| 918 | DCHECK(IsTranslation()); |
| 919 | DCHECK(translation_ != nullptr); |
| 920 | return translation_; |
| 921 | } |
| 922 | |
| 923 | private: |
| 924 | enum class Type { |
| 925 | kTranslation, |
| 926 | kConflict, |
| 927 | kAbstract, |
| 928 | }; |
| 929 | |
| 930 | MethodTranslation(Type type, ArtMethod* translation) |
| 931 | : translation_(translation), type_(type) {} |
| 932 | |
| 933 | ArtMethod* const translation_; |
| 934 | const Type type_; |
| 935 | }; |
| 936 | |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 937 | // Links the virtual methods for the given class and records any default methods that will need to |
| 938 | // be updated later. |
| 939 | // |
| 940 | // Arguments: |
| 941 | // * self - The current thread. |
| 942 | // * klass - class, whose vtable will be filled in. |
| 943 | // * default_translations - Vtable index to new method map. |
| 944 | // Any vtable entries that need to be updated with new default methods |
| 945 | // are stored into the default_translations map. The default_translations |
| 946 | // map is keyed on the vtable index that needs to be updated. We use this |
| 947 | // map because if we override a default method with another default |
| 948 | // method we need to update the vtable to point to the new method. |
| 949 | // Unfortunately since we copy the ArtMethod* we cannot just do a simple |
| 950 | // scan, we therefore store the vtable index's that might need to be |
| 951 | // updated with the method they will turn into. |
| 952 | // 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] | 953 | bool LinkVirtualMethods( |
| 954 | Thread* self, |
| 955 | Handle<mirror::Class> klass, |
| 956 | /*out*/std::unordered_map<size_t, MethodTranslation>* default_translations) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 957 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 958 | |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 959 | // Sets up the interface lookup table (IFTable) in the correct order to allow searching for |
| 960 | // default methods. |
| 961 | bool SetupInterfaceLookupTable(Thread* self, |
| 962 | Handle<mirror::Class> klass, |
| 963 | Handle<mirror::ObjectArray<mirror::Class>> interfaces) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 964 | REQUIRES_SHARED(Locks::mutator_lock_); |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 965 | |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 966 | |
| 967 | enum class DefaultMethodSearchResult { |
| 968 | kDefaultFound, |
| 969 | kAbstractFound, |
| 970 | kDefaultConflict |
| 971 | }; |
| 972 | |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 973 | // Find the default method implementation for 'interface_method' in 'klass', if one exists. |
| 974 | // |
| 975 | // Arguments: |
| 976 | // * self - The current thread. |
| 977 | // * target_method - The method we are trying to find a default implementation for. |
| 978 | // * klass - The class we are searching for a definition of target_method. |
| 979 | // * 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] | 980 | // |
| 981 | // Return value: |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 982 | // * kDefaultFound - There were no conflicting method implementations found in the class while |
| 983 | // searching for target_method. The default method implementation is stored into |
| 984 | // out_default_method. |
| 985 | // * kAbstractFound - There were no conflicting method implementations found in the class while |
| 986 | // searching for target_method but no default implementation was found either. |
| 987 | // out_default_method is set to null and the method should be considered not |
| 988 | // implemented. |
| 989 | // * kDefaultConflict - Conflicting method implementations were found when searching for |
| 990 | // target_method. The value of *out_default_method is null. |
| 991 | DefaultMethodSearchResult FindDefaultMethodImplementation( |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 992 | Thread* self, |
| 993 | ArtMethod* target_method, |
| 994 | Handle<mirror::Class> klass, |
| 995 | /*out*/ArtMethod** out_default_method) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 996 | REQUIRES_SHARED(Locks::mutator_lock_); |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 997 | |
| 998 | // Sets the imt entries and fixes up the vtable for the given class by linking all the interface |
| 999 | // methods. See LinkVirtualMethods for an explanation of what default_translations is. |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 1000 | bool LinkInterfaceMethods( |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1001 | Thread* self, |
| 1002 | Handle<mirror::Class> klass, |
| 1003 | const std::unordered_map<size_t, MethodTranslation>& default_translations, |
| 1004 | bool* out_new_conflict, |
| 1005 | ArtMethod** out_imt) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1006 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1007 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1008 | bool LinkStaticFields(Thread* self, Handle<mirror::Class> klass, size_t* class_size) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1009 | REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 1010 | bool LinkInstanceFields(Thread* self, Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1011 | REQUIRES_SHARED(Locks::mutator_lock_); |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1012 | bool LinkFields(Thread* self, Handle<mirror::Class> klass, bool is_static, size_t* class_size) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1013 | REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 1014 | void CreateReferenceInstanceOffsets(Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1015 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1016 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1017 | void CheckProxyConstructor(ArtMethod* constructor) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1018 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1019 | void CheckProxyMethod(ArtMethod* method, ArtMethod* prototype) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1020 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1021 | |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1022 | size_t GetDexCacheCount() REQUIRES_SHARED(Locks::mutator_lock_, Locks::dex_lock_) { |
Hiroshi Yamauchi | e9e3e69 | 2014-06-24 14:31:37 -0700 | [diff] [blame] | 1023 | return dex_caches_.size(); |
| 1024 | } |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 1025 | const std::list<DexCacheData>& GetDexCachesData() |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1026 | REQUIRES_SHARED(Locks::mutator_lock_, Locks::dex_lock_) { |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1027 | return dex_caches_; |
| 1028 | } |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 1029 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1030 | void CreateProxyConstructor(Handle<mirror::Class> klass, ArtMethod* out) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1031 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1032 | void CreateProxyMethod(Handle<mirror::Class> klass, ArtMethod* prototype, ArtMethod* out) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1033 | REQUIRES_SHARED(Locks::mutator_lock_); |
Jesse Wilson | 95caa79 | 2011-10-12 18:14:17 -0400 | [diff] [blame] | 1034 | |
Mathieu Chartier | 5b83050 | 2016-03-02 10:30:23 -0800 | [diff] [blame] | 1035 | // Register a class loader and create its class table and allocator. Should not be called if |
| 1036 | // these are already created. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1037 | void RegisterClassLoader(ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1038 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | 5b83050 | 2016-03-02 10:30:23 -0800 | [diff] [blame] | 1039 | REQUIRES(Locks::classlinker_classes_lock_); |
| 1040 | |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 1041 | // Returns null if not found. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1042 | ClassTable* ClassTableForClassLoader(ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1043 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 5b83050 | 2016-03-02 10:30:23 -0800 | [diff] [blame] | 1044 | |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 1045 | // Insert a new class table if not found. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1046 | ClassTable* InsertClassTableForClassLoader(ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1047 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 1048 | REQUIRES(Locks::classlinker_classes_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 1049 | |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 1050 | // EnsureResolved is called to make sure that a class in the class_table_ has been resolved |
| 1051 | // before returning it to the caller. Its the responsibility of the thread that placed the class |
| 1052 | // in the table to make it resolved. The thread doing resolution must notify on the class' lock |
| 1053 | // when resolution has occurred. This happens in mirror::Class::SetStatus. As resolution may |
| 1054 | // retire a class, the version of the class in the table is returned and this may differ from |
| 1055 | // the class passed in. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1056 | mirror::Class* EnsureResolved(Thread* self, const char* descriptor, ObjPtr<mirror::Class> klass) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 1057 | WARN_UNUSED |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1058 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1059 | REQUIRES(!Locks::dex_lock_); |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 1060 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1061 | void FixupTemporaryDeclaringClass(ObjPtr<mirror::Class> temp_class, |
| 1062 | ObjPtr<mirror::Class> new_class) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1063 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 1064 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1065 | void SetClassRoot(ClassRoot class_root, ObjPtr<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1066 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1067 | |
| 1068 | // Return the quick generic JNI stub for testing. |
| 1069 | const void* GetRuntimeQuickGenericJniStub() const; |
| 1070 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1071 | bool CanWeInitializeClass(ObjPtr<mirror::Class> klass, |
| 1072 | bool can_init_statics, |
| 1073 | bool can_init_parents) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1074 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1075 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1076 | void UpdateClassMethods(ObjPtr<mirror::Class> klass, |
Alex Light | e64300b | 2015-12-15 15:02:47 -0800 | [diff] [blame] | 1077 | LengthPrefixedArray<ArtMethod>* new_methods) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1078 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | 54d220e | 2015-07-30 16:20:06 -0700 | [diff] [blame] | 1079 | REQUIRES(!Locks::classlinker_classes_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1080 | |
Mathieu Chartier | 6973100 | 2016-03-02 16:08:31 -0800 | [diff] [blame] | 1081 | // new_class_set is the set of classes that were read from the class table section in the image. |
| 1082 | // If there was no class table section, it is null. |
Mathieu Chartier | 1aa8ec2 | 2016-02-01 10:34:47 -0800 | [diff] [blame] | 1083 | bool UpdateAppImageClassLoadersAndDexCaches( |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1084 | gc::space::ImageSpace* space, |
| 1085 | Handle<mirror::ClassLoader> class_loader, |
| 1086 | Handle<mirror::ObjectArray<mirror::DexCache>> dex_caches, |
Mathieu Chartier | 6973100 | 2016-03-02 16:08:31 -0800 | [diff] [blame] | 1087 | ClassTable::ClassSet* new_class_set, |
Mathieu Chartier | 1aa8ec2 | 2016-02-01 10:34:47 -0800 | [diff] [blame] | 1088 | bool* out_forward_dex_cache_array, |
| 1089 | std::string* out_error_msg) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1090 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1091 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1092 | |
Andreas Gampe | 7ba5a67 | 2016-02-04 21:45:01 -0800 | [diff] [blame] | 1093 | // Check that c1 == FindSystemClass(self, descriptor). Abort with class dumps otherwise. |
| 1094 | void CheckSystemClass(Thread* self, Handle<mirror::Class> c1, const char* descriptor) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1095 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1096 | REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 7ba5a67 | 2016-02-04 21:45:01 -0800 | [diff] [blame] | 1097 | |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1098 | // Sets imt_ref appropriately for LinkInterfaceMethods. |
| 1099 | // If there is no method in the imt location of imt_ref it will store the given method there. |
| 1100 | // Otherwise it will set the conflict method which will figure out which method to use during |
| 1101 | // runtime. |
| 1102 | void SetIMTRef(ArtMethod* unimplemented_method, |
| 1103 | ArtMethod* imt_conflict_method, |
| 1104 | ArtMethod* current_method, |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1105 | /*out*/bool* new_conflict, |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1106 | /*out*/ArtMethod** imt_ref) REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1107 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1108 | void FillIMTFromIfTable(ObjPtr<mirror::IfTable> if_table, |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1109 | ArtMethod* unimplemented_method, |
| 1110 | ArtMethod* imt_conflict_method, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1111 | ObjPtr<mirror::Class> klass, |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1112 | bool create_conflict_tables, |
| 1113 | bool ignore_copied_methods, |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1114 | /*out*/bool* new_conflict, |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1115 | /*out*/ArtMethod** imt) REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1116 | |
| 1117 | void FillImtFromSuperClass(Handle<mirror::Class> klass, |
| 1118 | ArtMethod* unimplemented_method, |
| 1119 | ArtMethod* imt_conflict_method, |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1120 | bool* new_conflict, |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1121 | ArtMethod** imt) REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1122 | |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1123 | std::vector<const DexFile*> boot_class_path_; |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1124 | std::vector<std::unique_ptr<const DexFile>> boot_dex_files_; |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 1125 | |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 1126 | // JNI weak globals and side data to allow dex caches to get unloaded. We lazily delete weak |
| 1127 | // globals when we register new dex files. |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1128 | std::list<DexCacheData> dex_caches_ GUARDED_BY(Locks::dex_lock_); |
Brian Carlstrom | 47d237a | 2011-10-18 15:08:33 -0700 | [diff] [blame] | 1129 | |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 1130 | // 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] | 1131 | // InsertClassTableForClassLoader. |
| 1132 | std::list<ClassLoaderData> class_loaders_ |
Mathieu Chartier | 6b06953 | 2015-08-05 15:08:12 -0700 | [diff] [blame] | 1133 | GUARDED_BY(Locks::classlinker_classes_lock_); |
| 1134 | |
| 1135 | // Boot class path table. Since the class loader for this is null. |
| 1136 | ClassTable boot_class_table_ GUARDED_BY(Locks::classlinker_classes_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1137 | |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 1138 | // New class roots, only used by CMS since the GC needs to mark these in the pause. |
| 1139 | 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] | 1140 | |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 1141 | // Number of times we've searched dex caches for a class. After a certain number of misses we move |
| 1142 | // the classes into the class_table_ to avoid dex cache based searches. |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1143 | Atomic<uint32_t> failed_dex_cache_class_lookups_; |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 1144 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1145 | // Well known mirror::Class roots. |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 1146 | GcRoot<mirror::ObjectArray<mirror::Class>> class_roots_; |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1147 | |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 1148 | // The interface table used by all arrays. |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 1149 | GcRoot<mirror::IfTable> array_iftable_; |
Carl Shapiro | 565f507 | 2011-07-10 13:39:43 -0700 | [diff] [blame] | 1150 | |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 1151 | // A cache of the last FindArrayClass results. The cache serves to avoid creating array class |
| 1152 | // descriptors for the sake of performing FindClass. |
| 1153 | static constexpr size_t kFindArrayCacheSize = 16; |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 1154 | GcRoot<mirror::Class> find_array_class_cache_[kFindArrayCacheSize]; |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 1155 | size_t find_array_class_cache_next_victim_; |
| 1156 | |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1157 | bool init_done_; |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 1158 | bool log_new_class_table_roots_ GUARDED_BY(Locks::classlinker_classes_lock_); |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1159 | |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 1160 | InternTable* intern_table_; |
| 1161 | |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1162 | // Trampolines within the image the bounce to runtime entrypoints. Done so that there is a single |
| 1163 | // patch point within the image. TODO: make these proper relocations. |
Jeff Hao | 0aba0ba | 2013-06-03 14:49:28 -0700 | [diff] [blame] | 1164 | const void* quick_resolution_trampoline_; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1165 | const void* quick_imt_conflict_trampoline_; |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 1166 | const void* quick_generic_jni_trampoline_; |
Vladimir Marko | 8a63057 | 2014-04-09 18:45:35 +0100 | [diff] [blame] | 1167 | const void* quick_to_interpreter_bridge_trampoline_; |
Jeff Hao | 0aba0ba | 2013-06-03 14:49:28 -0700 | [diff] [blame] | 1168 | |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 1169 | // Image pointer size. |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1170 | PointerSize image_pointer_size_; |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 1171 | |
Mathieu Chartier | 6597577 | 2016-08-05 10:46:36 -0700 | [diff] [blame] | 1172 | class FindVirtualMethodHolderVisitor; |
Mathieu Chartier | 496577f | 2016-09-20 15:33:31 -0700 | [diff] [blame] | 1173 | friend struct CompilationHelper; // For Compile in ImageTest. |
Mathieu Chartier | f9c6fc6 | 2015-10-07 11:44:05 -0700 | [diff] [blame] | 1174 | friend class ImageDumper; // for DexLock |
Brian Carlstrom | 34f426c | 2011-10-04 12:58:02 -0700 | [diff] [blame] | 1175 | friend class ImageWriter; // for GetClassRoots |
Nicolas Geoffray | 7d8d8ff | 2016-11-02 12:38:05 +0000 | [diff] [blame] | 1176 | friend class VMClassLoader; // for LookupClass and FindClassInBaseDexClassLoader. |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1177 | friend class JniCompilerTest; // for GetRuntimeQuickGenericJniStub |
Andreas Gampe | 5f4a09a | 2015-09-28 13:16:33 -0700 | [diff] [blame] | 1178 | friend class JniInternalTest; // for GetRuntimeQuickGenericJniStub |
Mathieu Chartier | 7617216 | 2016-01-26 14:54:06 -0800 | [diff] [blame] | 1179 | ART_FRIEND_TEST(ClassLinkerTest, RegisterDexFileName); // for DexLock, and RegisterDexFileLocked |
Narayan Kamath | 25352fc | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 1180 | ART_FRIEND_TEST(mirror::DexCacheMethodHandlesTest, Open); // for AllocDexCache |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1181 | ART_FRIEND_TEST(mirror::DexCacheTest, Open); // for AllocDexCache |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1182 | DISALLOW_COPY_AND_ASSIGN(ClassLinker); |
| 1183 | }; |
| 1184 | |
| 1185 | } // namespace art |
| 1186 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 1187 | #endif // ART_RUNTIME_CLASS_LINKER_H_ |