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" |
Andreas Gampe | 0f01b58 | 2017-01-18 15:22:37 -0800 | [diff] [blame] | 37 | #include "handle.h" |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 38 | #include "jni.h" |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 39 | #include "mirror/class.h" |
Mathieu Chartier | 83c8ee0 | 2014-01-28 14:50:23 -0800 | [diff] [blame] | 40 | #include "object_callbacks.h" |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 41 | #include "verifier/method_verifier.h" |
Andreas Gampe | 5fd66d0 | 2016-09-12 20:22:19 -0700 | [diff] [blame] | 42 | #include "verifier/verifier_log_mode.h" |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 43 | |
| 44 | namespace art { |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 45 | |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 46 | namespace gc { |
| 47 | namespace space { |
| 48 | class ImageSpace; |
| 49 | } // namespace space |
| 50 | } // namespace gc |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 51 | namespace mirror { |
Ian Rogers | 33e9566 | 2013-05-20 20:29:14 -0700 | [diff] [blame] | 52 | class ClassLoader; |
| 53 | class DexCache; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 54 | class DexCachePointerArray; |
Narayan Kamath | 25352fc | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 55 | class DexCacheMethodHandlesTest_Open_Test; |
Ian Rogers | 33e9566 | 2013-05-20 20:29:14 -0700 | [diff] [blame] | 56 | class DexCacheTest_Open_Test; |
| 57 | class IfTable; |
Orion Hodson | c069a30 | 2017-01-18 09:23:12 +0000 | [diff] [blame] | 58 | class MethodHandle; |
| 59 | class MethodHandlesLookup; |
Narayan Kamath | afa4827 | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 60 | class MethodType; |
Ian Rogers | 33e9566 | 2013-05-20 20:29:14 -0700 | [diff] [blame] | 61 | template<class T> class ObjectArray; |
| 62 | class StackTraceElement; |
| 63 | } // namespace mirror |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 64 | |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 65 | template<class T> class Handle; |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 66 | class ImtConflictTable; |
| 67 | template<typename T> class LengthPrefixedArray; |
Hiroshi Yamauchi | 679b1cf | 2015-05-21 12:05:27 -0700 | [diff] [blame] | 68 | template<class T> class MutableHandle; |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 69 | class InternTable; |
Vladimir Marko | 1998cd0 | 2017-01-13 13:02:58 +0000 | [diff] [blame] | 70 | class OatFile; |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 71 | template<class T> class ObjectLock; |
Andreas Gampe | 7ba6496 | 2014-10-23 11:37:40 -0700 | [diff] [blame] | 72 | class Runtime; |
Mathieu Chartier | 2b7c4d1 | 2014-05-19 10:52:16 -0700 | [diff] [blame] | 73 | class ScopedObjectAccessAlreadyRunnable; |
Mathieu Chartier | 2d2621a | 2014-10-23 16:48:06 -0700 | [diff] [blame] | 74 | template<size_t kNumReferences> class PACKED(4) StackHandleScope; |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 75 | |
Mathieu Chartier | 893263b | 2014-03-04 11:07:42 -0800 | [diff] [blame] | 76 | enum VisitRootFlags : uint8_t; |
| 77 | |
Mathieu Chartier | 1aa8ec2 | 2016-02-01 10:34:47 -0800 | [diff] [blame] | 78 | class ClassVisitor { |
| 79 | public: |
| 80 | virtual ~ClassVisitor() {} |
| 81 | // Return true to continue visiting. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 82 | virtual bool operator()(ObjPtr<mirror::Class> klass) = 0; |
Mathieu Chartier | 1aa8ec2 | 2016-02-01 10:34:47 -0800 | [diff] [blame] | 83 | }; |
| 84 | |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 85 | class ClassLoaderVisitor { |
| 86 | public: |
| 87 | virtual ~ClassLoaderVisitor() {} |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 88 | virtual void Visit(ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 89 | REQUIRES_SHARED(Locks::classlinker_classes_lock_, Locks::mutator_lock_) = 0; |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 90 | }; |
| 91 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 92 | class ClassLinker { |
| 93 | public: |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 94 | // Well known mirror::Class roots accessed via GetClassRoot. |
| 95 | enum ClassRoot { |
| 96 | kJavaLangClass, |
| 97 | kJavaLangObject, |
| 98 | kClassArrayClass, |
| 99 | kObjectArrayClass, |
| 100 | kJavaLangString, |
| 101 | kJavaLangDexCache, |
| 102 | kJavaLangRefReference, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 103 | kJavaLangReflectConstructor, |
Mathieu Chartier | daaf326 | 2015-03-24 13:30:28 -0700 | [diff] [blame] | 104 | kJavaLangReflectField, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 105 | kJavaLangReflectMethod, |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 106 | kJavaLangReflectProxy, |
| 107 | kJavaLangStringArrayClass, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 108 | kJavaLangReflectConstructorArrayClass, |
Mathieu Chartier | daaf326 | 2015-03-24 13:30:28 -0700 | [diff] [blame] | 109 | kJavaLangReflectFieldArrayClass, |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 110 | kJavaLangReflectMethodArrayClass, |
Orion Hodson | c069a30 | 2017-01-18 09:23:12 +0000 | [diff] [blame] | 111 | kJavaLangInvokeCallSite, |
Narayan Kamath | afa4827 | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 112 | kJavaLangInvokeMethodHandleImpl, |
Orion Hodson | c069a30 | 2017-01-18 09:23:12 +0000 | [diff] [blame] | 113 | kJavaLangInvokeMethodHandlesLookup, |
Narayan Kamath | afa4827 | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 114 | kJavaLangInvokeMethodType, |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 115 | kJavaLangClassLoader, |
| 116 | kJavaLangThrowable, |
| 117 | kJavaLangClassNotFoundException, |
| 118 | kJavaLangStackTraceElement, |
Narayan Kamath | 000e188 | 2016-10-24 17:14:25 +0100 | [diff] [blame] | 119 | kDalvikSystemEmulatedStackFrame, |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 120 | kPrimitiveBoolean, |
| 121 | kPrimitiveByte, |
| 122 | kPrimitiveChar, |
| 123 | kPrimitiveDouble, |
| 124 | kPrimitiveFloat, |
| 125 | kPrimitiveInt, |
| 126 | kPrimitiveLong, |
| 127 | kPrimitiveShort, |
| 128 | kPrimitiveVoid, |
| 129 | kBooleanArrayClass, |
| 130 | kByteArrayClass, |
| 131 | kCharArrayClass, |
| 132 | kDoubleArrayClass, |
| 133 | kFloatArrayClass, |
| 134 | kIntArrayClass, |
| 135 | kLongArrayClass, |
| 136 | kShortArrayClass, |
| 137 | kJavaLangStackTraceElementArrayClass, |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 138 | kDalvikSystemClassExt, |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 139 | kClassRootsMax, |
| 140 | }; |
| 141 | |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 142 | explicit ClassLinker(InternTable* intern_table); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 143 | ~ClassLinker(); |
Carl Shapiro | 565f507 | 2011-07-10 13:39:43 -0700 | [diff] [blame] | 144 | |
Alex Light | 64ad14d | 2014-08-19 14:23:13 -0700 | [diff] [blame] | 145 | // Initialize class linker by bootstraping from dex files. |
Andreas Gampe | 3db9c5d | 2015-11-17 11:52:46 -0800 | [diff] [blame] | 146 | bool InitWithoutImage(std::vector<std::unique_ptr<const DexFile>> boot_class_path, |
| 147 | std::string* error_msg) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 148 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 149 | REQUIRES(!Locks::dex_lock_); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 150 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 151 | // Initialize class linker from one or more boot images. |
| 152 | bool InitFromBootImage(std::string* error_msg) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 153 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 154 | REQUIRES(!Locks::dex_lock_); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 155 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 156 | // Add an image space to the class linker, may fix up classloader fields and dex cache fields. |
| 157 | // The dex files that were newly opened for the space are placed in the out argument |
| 158 | // out_dex_files. Returns true if the operation succeeded. |
| 159 | // The space must be already added to the heap before calling AddImageSpace since we need to |
| 160 | // properly handle read barriers and object marking. |
| 161 | bool AddImageSpace(gc::space::ImageSpace* space, |
| 162 | Handle<mirror::ClassLoader> class_loader, |
| 163 | jobjectArray dex_elements, |
| 164 | const char* dex_location, |
| 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 | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 169 | |
Mathieu Chartier | 0b4cbd0 | 2016-03-08 16:49:58 -0800 | [diff] [blame] | 170 | bool OpenImageDexFiles(gc::space::ImageSpace* space, |
| 171 | std::vector<std::unique_ptr<const DexFile>>* out_dex_files, |
| 172 | std::string* error_msg) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 173 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 174 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 0b4cbd0 | 2016-03-08 16:49:58 -0800 | [diff] [blame] | 175 | |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 176 | // Finds a class by its descriptor, loading it if necessary. |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 177 | // If class_loader is null, searches boot_class_path_. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 178 | mirror::Class* FindClass(Thread* self, |
| 179 | const char* descriptor, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 180 | Handle<mirror::ClassLoader> class_loader) |
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_); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 183 | |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 184 | // Finds a class by its descriptor using the "system" class loader, ie by searching the |
| 185 | // boot_class_path_. |
| 186 | mirror::Class* FindSystemClass(Thread* self, const char* descriptor) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 187 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | c6ea7d0 | 2017-02-01 16:46:28 -0800 | [diff] [blame] | 188 | REQUIRES(!Locks::dex_lock_) { |
| 189 | return FindClass(self, descriptor, ScopedNullHandle<mirror::ClassLoader>()); |
| 190 | } |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 191 | |
| 192 | // Finds the array class given for the element class. |
Mathieu Chartier | bc5a795 | 2016-10-17 15:46:31 -0700 | [diff] [blame] | 193 | mirror::Class* FindArrayClass(Thread* self, ObjPtr<mirror::Class>* element_class) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 194 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 195 | REQUIRES(!Locks::dex_lock_); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 196 | |
Ian Rogers | 6355745 | 2014-06-04 16:57:15 -0700 | [diff] [blame] | 197 | // Returns true if the class linker is initialized. |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 198 | bool IsInitialized() const { |
| 199 | return init_done_; |
| 200 | } |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 201 | |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 202 | // Define a new a class based on a ClassDef from a DexFile |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 203 | mirror::Class* DefineClass(Thread* self, |
| 204 | const char* descriptor, |
| 205 | size_t hash, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 206 | Handle<mirror::ClassLoader> class_loader, |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 207 | const DexFile& dex_file, |
| 208 | const DexFile::ClassDef& dex_class_def) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 209 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 210 | REQUIRES(!Locks::dex_lock_); |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 211 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 212 | // 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] | 213 | // by the given 'class_loader'. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 214 | mirror::Class* LookupClass(Thread* self, |
| 215 | const char* descriptor, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 216 | ObjPtr<mirror::ClassLoader> class_loader) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 217 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | 34ee684 | 2014-12-02 15:43:52 -0800 | [diff] [blame] | 218 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 219 | return LookupClass(self, descriptor, ComputeModifiedUtf8Hash(descriptor), class_loader); |
| 220 | } |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 221 | |
Elliott Hughes | 6fa602d | 2011-12-02 17:54:25 -0800 | [diff] [blame] | 222 | // Finds all the classes with the given descriptor, regardless of ClassLoader. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 223 | void LookupClasses(const char* descriptor, std::vector<ObjPtr<mirror::Class>>& classes) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 224 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 225 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 6fa602d | 2011-12-02 17:54:25 -0800 | [diff] [blame] | 226 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 227 | mirror::Class* FindPrimitiveClass(char type) REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 228 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 229 | void DumpForSigQuit(std::ostream& os) REQUIRES(!Locks::classlinker_classes_lock_); |
Elliott Hughes | cac6cc7 | 2011-11-03 20:31:21 -0700 | [diff] [blame] | 230 | |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 231 | size_t NumLoadedClasses() |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 232 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 233 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | e27955c | 2011-08-26 15:21:24 -0700 | [diff] [blame] | 234 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 235 | // Resolve a String with the given index from the DexFile, storing the |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 236 | // result in the DexCache. |
Andreas Gampe | 8a0128a | 2016-11-28 07:38:35 -0800 | [diff] [blame] | 237 | mirror::String* ResolveString(const DexFile& dex_file, |
| 238 | dex::StringIndex string_idx, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 239 | Handle<mirror::DexCache> dex_cache) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 240 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 241 | |
Vladimir Marko | cac5a7e | 2016-02-22 10:39:50 +0000 | [diff] [blame] | 242 | // Find a String with the given index from the DexFile, storing the |
| 243 | // result in the DexCache if found. Return null if not found. |
Andreas Gampe | 8a0128a | 2016-11-28 07:38:35 -0800 | [diff] [blame] | 244 | mirror::String* LookupString(const DexFile& dex_file, |
| 245 | dex::StringIndex string_idx, |
Vladimir Marko | f25cc73 | 2017-03-16 16:18:15 +0000 | [diff] [blame] | 246 | ObjPtr<mirror::DexCache> dex_cache) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 247 | REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | cac5a7e | 2016-02-22 10:39:50 +0000 | [diff] [blame] | 248 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 249 | // Resolve a Type with the given index from the DexFile, storing the |
Roland Levillain | ab880f4 | 2016-05-12 16:24:36 +0100 | [diff] [blame] | 250 | // result in the DexCache. The referrer is used to identify the |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 251 | // target DexCache and ClassLoader to use for resolution. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 252 | mirror::Class* ResolveType(const DexFile& dex_file, |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 253 | dex::TypeIndex type_idx, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 254 | ObjPtr<mirror::Class> referrer) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 255 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 256 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 257 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 258 | // Resolve a Type with the given index from the DexFile, storing the |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 259 | // result in the DexCache. The referrer is used to identify the |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 260 | // target DexCache and ClassLoader to use for resolution. |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 261 | mirror::Class* ResolveType(dex::TypeIndex type_idx, ArtMethod* referrer) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 262 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 263 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 264 | |
Mathieu Chartier | b890130 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 265 | // Look up a resolved type with the given ID from the DexFile. The ClassLoader is used to search |
| 266 | // for the type, since it may be referenced from but not contained within the given DexFile. |
| 267 | ObjPtr<mirror::Class> LookupResolvedType(const DexFile& dex_file, |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 268 | dex::TypeIndex type_idx, |
Mathieu Chartier | b890130 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 269 | ObjPtr<mirror::DexCache> dex_cache, |
| 270 | ObjPtr<mirror::ClassLoader> class_loader) |
| 271 | REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | 8d6768d | 2017-03-14 10:13:21 +0000 | [diff] [blame] | 272 | static ObjPtr<mirror::Class> LookupResolvedType(dex::TypeIndex type_idx, |
| 273 | ObjPtr<mirror::DexCache> dex_cache, |
| 274 | ObjPtr<mirror::ClassLoader> class_loader) |
| 275 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | b890130 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 276 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 277 | // Resolve a type with the given ID from the DexFile, storing the |
| 278 | // result in DexCache. The ClassLoader is used to search for the |
| 279 | // type, since it may be referenced from but not contained within |
| 280 | // the given DexFile. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 281 | mirror::Class* ResolveType(const DexFile& dex_file, |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 282 | dex::TypeIndex type_idx, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 283 | Handle<mirror::DexCache> dex_cache, |
| 284 | Handle<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 285 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 286 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 287 | |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 288 | // Determine whether a dex cache result should be trusted, or an IncompatibleClassChangeError |
| 289 | // check should be performed even after a hit. |
| 290 | enum ResolveMode { // private. |
| 291 | kNoICCECheckForCache, |
| 292 | kForceICCECheck |
| 293 | }; |
| 294 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 295 | // Resolve a method with a given ID from the DexFile, storing the |
| 296 | // result in DexCache. The ClassLinker and ClassLoader are used as |
| 297 | // in ResolveType. What is unique is the method type argument which |
| 298 | // is used to determine if this method is a direct, static, or |
| 299 | // virtual method. |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 300 | template <ResolveMode kResolveMode> |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 301 | ArtMethod* ResolveMethod(const DexFile& dex_file, |
| 302 | uint32_t method_idx, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 303 | Handle<mirror::DexCache> dex_cache, |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 304 | Handle<mirror::ClassLoader> class_loader, |
| 305 | ArtMethod* referrer, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 306 | InvokeType type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 307 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 308 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 309 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 310 | ArtMethod* GetResolvedMethod(uint32_t method_idx, ArtMethod* referrer) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 311 | REQUIRES_SHARED(Locks::mutator_lock_); |
Alex Light | fedd91d | 2016-01-07 14:49:16 -0800 | [diff] [blame] | 312 | |
| 313 | // This returns the class referred to by GetMethodId(method_idx).class_idx_. This might be |
| 314 | // different then the declaring class of the resolved method due to copied |
| 315 | // miranda/default/conflict methods. |
Nicolas Geoffray | 393fdb8 | 2016-04-25 14:58:06 +0100 | [diff] [blame] | 316 | mirror::Class* ResolveReferencedClassOfMethod(uint32_t method_idx, |
| 317 | Handle<mirror::DexCache> dex_cache, |
| 318 | Handle<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 319 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 320 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Andreas Gampe | 42ef8ab | 2015-12-03 17:27:32 -0800 | [diff] [blame] | 321 | template <ResolveMode kResolveMode> |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 322 | ArtMethod* ResolveMethod(Thread* self, uint32_t method_idx, ArtMethod* referrer, InvokeType type) |
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_); |
Jeff Hao | 0042c6d | 2015-07-29 20:14:10 -0700 | [diff] [blame] | 325 | ArtMethod* ResolveMethodWithoutInvokeType(const DexFile& dex_file, |
| 326 | uint32_t method_idx, |
| 327 | Handle<mirror::DexCache> dex_cache, |
| 328 | Handle<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 329 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 330 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 1619286 | 2011-09-12 17:50:06 -0700 | [diff] [blame] | 331 | |
Vladimir Marko | f44d36c | 2017-03-14 14:18:46 +0000 | [diff] [blame] | 332 | ArtField* LookupResolvedField(uint32_t field_idx, ArtMethod* referrer, bool is_static) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 333 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 334 | ArtField* ResolveField(uint32_t field_idx, ArtMethod* referrer, bool is_static) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 335 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 336 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 337 | |
Brian Carlstrom | 1619286 | 2011-09-12 17:50:06 -0700 | [diff] [blame] | 338 | // Resolve a field with a given ID from the DexFile, storing the |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 339 | // result in DexCache. The ClassLinker and ClassLoader are used as |
| 340 | // in ResolveType. What is unique is the is_static argument which is |
| 341 | // used to determine if we are resolving a static or non-static |
| 342 | // field. |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 343 | ArtField* ResolveField(const DexFile& dex_file, uint32_t field_idx, |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 344 | Handle<mirror::DexCache> dex_cache, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 345 | Handle<mirror::ClassLoader> class_loader, bool is_static) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 346 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 347 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 348 | |
Ian Rogers | b067ac2 | 2011-12-13 18:05:09 -0800 | [diff] [blame] | 349 | // Resolve a field with a given ID from the DexFile, storing the |
| 350 | // result in DexCache. The ClassLinker and ClassLoader are used as |
| 351 | // in ResolveType. No is_static argument is provided so that Java |
| 352 | // field resolution semantics are followed. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 353 | ArtField* ResolveFieldJLS(const DexFile& dex_file, |
| 354 | uint32_t field_idx, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 355 | Handle<mirror::DexCache> dex_cache, |
| 356 | Handle<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 357 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 358 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Ian Rogers | b067ac2 | 2011-12-13 18:05:09 -0800 | [diff] [blame] | 359 | |
Narayan Kamath | 25352fc | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 360 | // Resolve a method type with a given ID from the DexFile, storing |
| 361 | // the result in the DexCache. |
| 362 | mirror::MethodType* ResolveMethodType(const DexFile& dex_file, |
| 363 | uint32_t proto_idx, |
| 364 | Handle<mirror::DexCache> dex_cache, |
| 365 | Handle<mirror::ClassLoader> class_loader) |
| 366 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 367 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Ian Rogers | ad25ac5 | 2011-10-04 19:13:33 -0700 | [diff] [blame] | 368 | |
Orion Hodson | c069a30 | 2017-01-18 09:23:12 +0000 | [diff] [blame] | 369 | // Resolve a method handle with a given ID from the DexFile. The |
| 370 | // result is not cached in the DexCache as the instance will only be |
| 371 | // used once in most circumstances. |
| 372 | mirror::MethodHandle* ResolveMethodHandle(uint32_t method_handle_idx, ArtMethod* referrer) |
| 373 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 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 | |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 391 | ObjPtr<mirror::DexCache> RegisterDexFile(const DexFile& dex_file, |
| 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_); |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 395 | void RegisterBootClassPathDexFile(const DexFile& dex_file, ObjPtr<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 | |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 422 | bool IsDexFileRegistered(Thread* self, const DexFile& dex_file) |
| 423 | REQUIRES(!Locks::dex_lock_) |
| 424 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 425 | ObjPtr<mirror::DexCache> FindDexCache(Thread* self, const DexFile& dex_file) |
| 426 | REQUIRES(!Locks::dex_lock_) |
| 427 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 428 | ClassTable* FindClassTable(Thread* self, ObjPtr<mirror::DexCache> dex_cache) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 429 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 430 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 431 | void FixupDexCaches(ArtMethod* resolution_method) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 432 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 433 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | 1d9f52b | 2011-10-13 10:50:45 -0700 | [diff] [blame] | 434 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 435 | LengthPrefixedArray<ArtField>* AllocArtFieldArray(Thread* self, |
| 436 | LinearAlloc* allocator, |
| 437 | size_t length); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 438 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 439 | LengthPrefixedArray<ArtMethod>* AllocArtMethodArray(Thread* self, |
| 440 | LinearAlloc* allocator, |
| 441 | size_t length); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 442 | |
| 443 | mirror::PointerArray* AllocPointerArray(Thread* self, size_t length) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 444 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 445 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 446 | |
| 447 | mirror::IfTable* AllocIfTable(Thread* self, size_t ifcount) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 448 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 449 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 450 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 451 | mirror::ObjectArray<mirror::StackTraceElement>* AllocStackTraceElementArray(Thread* self, |
| 452 | size_t length) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 453 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 454 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 455 | |
Nicolas Geoffray | 0802518 | 2016-10-25 17:20:18 +0100 | [diff] [blame] | 456 | verifier::MethodVerifier::FailureKind VerifyClass( |
| 457 | Thread* self, |
| 458 | Handle<mirror::Class> klass, |
| 459 | verifier::HardFailLogMode log_level = verifier::HardFailLogMode::kLogNone) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 460 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 461 | REQUIRES(!Locks::dex_lock_); |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 462 | bool VerifyClassUsingOatFile(const DexFile& dex_file, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 463 | ObjPtr<mirror::Class> klass, |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 464 | mirror::Class::Status& oat_file_class_status) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 465 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 466 | REQUIRES(!Locks::dex_lock_); |
Alex Light | 5a55986 | 2016-01-29 12:24:48 -0800 | [diff] [blame] | 467 | void ResolveClassExceptionHandlerTypes(Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 468 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 469 | REQUIRES(!Locks::dex_lock_); |
Alex Light | 5a55986 | 2016-01-29 12:24:48 -0800 | [diff] [blame] | 470 | void ResolveMethodExceptionHandlerTypes(ArtMethod* klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 471 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 472 | REQUIRES(!Locks::dex_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 473 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 474 | mirror::Class* CreateProxyClass(ScopedObjectAccessAlreadyRunnable& soa, |
| 475 | jstring name, |
| 476 | jobjectArray interfaces, |
| 477 | jobject loader, |
| 478 | jobjectArray methods, |
Mathieu Chartier | 2b7c4d1 | 2014-05-19 10:52:16 -0700 | [diff] [blame] | 479 | jobjectArray throws) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 480 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 481 | std::string GetDescriptorForProxy(ObjPtr<mirror::Class> proxy_class) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 482 | REQUIRES_SHARED(Locks::mutator_lock_); |
Hiroshi Yamauchi | 7a62e67 | 2016-06-10 17:22:48 -0700 | [diff] [blame] | 483 | template<ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 484 | ArtMethod* FindMethodForProxy(ObjPtr<mirror::Class> proxy_class, ArtMethod* proxy_method) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 485 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 486 | REQUIRES_SHARED(Locks::mutator_lock_); |
Jesse Wilson | 95caa79 | 2011-10-12 18:14:17 -0400 | [diff] [blame] | 487 | |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 488 | // 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] | 489 | const void* GetQuickOatCodeFor(ArtMethod* method) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 490 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 491 | |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 492 | pid_t GetClassesLockOwner(); // For SignalCatcher. |
| 493 | pid_t GetDexLockOwner(); // For SignalCatcher. |
Brian Carlstrom | 24a3c2e | 2011-10-17 18:07:52 -0700 | [diff] [blame] | 494 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 495 | mirror::Class* GetClassRoot(ClassRoot class_root) REQUIRES_SHARED(Locks::mutator_lock_); |
Jeff Hao | 0aba0ba | 2013-06-03 14:49:28 -0700 | [diff] [blame] | 496 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 497 | static const char* GetClassRootDescriptor(ClassRoot class_root); |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 498 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 499 | // Is the given entry point quick code to run the resolution stub? |
| 500 | bool IsQuickResolutionStub(const void* entry_point) const; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 501 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 502 | // Is the given entry point quick code to bridge into the interpreter? |
| 503 | bool IsQuickToInterpreterBridge(const void* entry_point) const; |
| 504 | |
| 505 | // Is the given entry point quick code to run the generic JNI stub? |
| 506 | bool IsQuickGenericJniStub(const void* entry_point) const; |
Vladimir Marko | 8a63057 | 2014-04-09 18:45:35 +0100 | [diff] [blame] | 507 | |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 508 | const void* GetQuickToInterpreterBridgeTrampoline() const { |
| 509 | return quick_to_interpreter_bridge_trampoline_; |
| 510 | } |
| 511 | |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 512 | InternTable* GetInternTable() const { |
| 513 | return intern_table_; |
| 514 | } |
| 515 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 516 | // Set the entrypoints up for method to the given code. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 517 | void SetEntryPointsToCompiledCode(ArtMethod* method, const void* method_code) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 518 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 519 | |
| 520 | // Set the entrypoints up for method to the enter the interpreter. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 521 | void SetEntryPointsToInterpreter(ArtMethod* method) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 522 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 523 | |
Alex Light | db01a09 | 2017-04-03 15:39:55 -0700 | [diff] [blame] | 524 | // Set the entrypoints up for an obsolete method. |
| 525 | void SetEntryPointsForObsoleteMethod(ArtMethod* method) const |
| 526 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 527 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 528 | // Attempts to insert a class into a class table. Returns null if |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 529 | // the class was inserted, otherwise returns an existing class with |
| 530 | // the same descriptor and ClassLoader. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 531 | 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] | 532 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 533 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 534 | |
Vladimir Marko | 1998cd0 | 2017-01-13 13:02:58 +0000 | [diff] [blame] | 535 | // Add an oat file with .bss GC roots to be visited again at the end of GC |
| 536 | // for collector types that need it. |
| 537 | void WriteBarrierForBootOatFileBssRoots(const OatFile* oat_file) |
| 538 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 539 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 540 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 541 | mirror::ObjectArray<mirror::Class>* GetClassRoots() REQUIRES_SHARED(Locks::mutator_lock_) { |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 542 | mirror::ObjectArray<mirror::Class>* class_roots = class_roots_.Read(); |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 543 | DCHECK(class_roots != nullptr); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 544 | return class_roots; |
| 545 | } |
| 546 | |
Mathieu Chartier | c2e2062 | 2014-11-03 11:41:47 -0800 | [diff] [blame] | 547 | // Move the class table to the pre-zygote table to reduce memory usage. This works by ensuring |
| 548 | // that no more classes are ever added to the pre zygote table which makes it that the pages |
| 549 | // always remain shared dirty instead of private dirty. |
| 550 | void MoveClassTableToPreZygote() |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 551 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 552 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | c2e2062 | 2014-11-03 11:41:47 -0800 | [diff] [blame] | 553 | |
Andreas Gampe | 81c6f8d | 2015-03-25 17:19:53 -0700 | [diff] [blame] | 554 | // Creates a GlobalRef PathClassLoader that can be used to load classes from the given dex files. |
| 555 | // 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] | 556 | jobject CreatePathClassLoader(Thread* self, const std::vector<const DexFile*>& dex_files) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 557 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 558 | REQUIRES(!Locks::dex_lock_); |
Andreas Gampe | 81c6f8d | 2015-03-25 17:19:53 -0700 | [diff] [blame] | 559 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 560 | PointerSize GetImagePointerSize() const { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 561 | return image_pointer_size_; |
| 562 | } |
| 563 | |
| 564 | // Used by image writer for checking. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 565 | bool ClassInClassTable(ObjPtr<mirror::Class> klass) |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 566 | REQUIRES(Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 567 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | a89d7ed | 2014-12-05 10:57:13 -0800 | [diff] [blame] | 568 | |
Andreas Gampe | 8ac7595 | 2015-06-02 21:01:45 -0700 | [diff] [blame] | 569 | // Clear the ArrayClass cache. This is necessary when cleaning up for the image, as the cache |
| 570 | // entries are roots, but potentially not image classes. |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 571 | void DropFindArrayClassCache() REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 8ac7595 | 2015-06-02 21:01:45 -0700 | [diff] [blame] | 572 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 573 | // Clean up class loaders, this needs to happen after JNI weak globals are cleared. |
| 574 | void CleanupClassLoaders() |
Mathieu Chartier | 00310e0 | 2015-10-17 12:46:42 -0700 | [diff] [blame] | 575 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 576 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 577 | |
Mathieu Chartier | 32cc9ee | 2015-10-15 09:19:15 -0700 | [diff] [blame] | 578 | // Unlike GetOrCreateAllocatorForClassLoader, GetAllocatorForClassLoader asserts that the |
| 579 | // allocator for this class loader is already created. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 580 | LinearAlloc* GetAllocatorForClassLoader(ObjPtr<mirror::ClassLoader> class_loader) |
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 | d57d454 | 2015-10-14 10:55:30 -0700 | [diff] [blame] | 583 | // Return the linear alloc for a class loader if it is already allocated, otherwise allocate and |
| 584 | // set it. TODO: Consider using a lock other than classlinker_classes_lock_. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 585 | LinearAlloc* GetOrCreateAllocatorForClassLoader(ObjPtr<mirror::ClassLoader> class_loader) |
Mathieu Chartier | 00310e0 | 2015-10-17 12:46:42 -0700 | [diff] [blame] | 586 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 587 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 00310e0 | 2015-10-17 12:46:42 -0700 | [diff] [blame] | 588 | |
Mathieu Chartier | 6d25cf6 | 2016-04-12 16:54:48 -0700 | [diff] [blame] | 589 | // 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] | 590 | void InsertDexFileInToClassLoader(ObjPtr<mirror::Object> dex_file, |
| 591 | ObjPtr<mirror::ClassLoader> class_loader) |
Mathieu Chartier | 00310e0 | 2015-10-17 12:46:42 -0700 | [diff] [blame] | 592 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 593 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | d57d454 | 2015-10-14 10:55:30 -0700 | [diff] [blame] | 594 | |
Tamas Berghammer | dd5e5e9 | 2016-02-12 16:29:00 +0000 | [diff] [blame] | 595 | static bool ShouldUseInterpreterEntrypoint(ArtMethod* method, const void* quick_code) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 596 | REQUIRES_SHARED(Locks::mutator_lock_); |
Tamas Berghammer | dd5e5e9 | 2016-02-12 16:29:00 +0000 | [diff] [blame] | 597 | |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 598 | std::set<DexCacheResolvedClasses> GetResolvedClasses(bool ignore_boot_classes) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 599 | REQUIRES(!Locks::dex_lock_); |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 600 | |
Mathieu Chartier | 046854b | 2017-03-01 17:16:22 -0800 | [diff] [blame] | 601 | // Returns the class descriptors for loaded dex files. |
| 602 | std::unordered_set<std::string> GetClassDescriptorsForResolvedClasses( |
Mathieu Chartier | c5dd319 | 2015-12-09 16:38:30 -0800 | [diff] [blame] | 603 | const std::set<DexCacheResolvedClasses>& 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 | |
Jeff Hao | f0192c8 | 2016-03-28 20:39:50 -0700 | [diff] [blame] | 606 | static bool IsBootClassLoader(ScopedObjectAccessAlreadyRunnable& soa, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 607 | ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 608 | REQUIRES_SHARED(Locks::mutator_lock_); |
Jeff Hao | f0192c8 | 2016-03-28 20:39:50 -0700 | [diff] [blame] | 609 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 610 | ArtMethod* AddMethodToConflictTable(ObjPtr<mirror::Class> klass, |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 611 | ArtMethod* conflict_method, |
| 612 | ArtMethod* interface_method, |
| 613 | ArtMethod* method, |
| 614 | bool force_new_conflict_method) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 615 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 616 | |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 617 | // Create a conflict table with a specified capacity. |
| 618 | ImtConflictTable* CreateImtConflictTable(size_t count, LinearAlloc* linear_alloc); |
| 619 | |
| 620 | // Static version for when the class linker is not yet created. |
| 621 | static ImtConflictTable* CreateImtConflictTable(size_t count, |
| 622 | LinearAlloc* linear_alloc, |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 623 | PointerSize pointer_size); |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 624 | |
| 625 | |
| 626 | // Create the IMT and conflict tables for a class. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 627 | void FillIMTAndConflictTables(ObjPtr<mirror::Class> klass) REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 628 | |
Mathieu Chartier | 696632e | 2016-06-03 17:47:32 -0700 | [diff] [blame] | 629 | // Clear class table strong roots (other than classes themselves). This is done by dex2oat to |
| 630 | // allow pruning dex caches. |
| 631 | void ClearClassTableStrongRoots() const |
| 632 | REQUIRES(!Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 633 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 634 | |
Jeff Hao | c92a7a1 | 2016-06-06 11:09:20 -0700 | [diff] [blame] | 635 | // Throw the class initialization failure recorded when first trying to initialize the given |
| 636 | // class. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 637 | 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] | 638 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 639 | REQUIRES(!Locks::dex_lock_); |
Jeff Hao | c92a7a1 | 2016-06-06 11:09:20 -0700 | [diff] [blame] | 640 | |
Mathieu Chartier | 6597577 | 2016-08-05 10:46:36 -0700 | [diff] [blame] | 641 | // Get the actual holding class for a copied method. Pretty slow, don't call often. |
| 642 | mirror::Class* GetHoldingClassOfCopiedMethod(ArtMethod* method) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 643 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 6597577 | 2016-08-05 10:46:36 -0700 | [diff] [blame] | 644 | |
Andreas Gampe | 70f1639 | 2017-01-16 14:20:10 -0800 | [diff] [blame] | 645 | // Returns null if not found. |
| 646 | ClassTable* ClassTableForClassLoader(ObjPtr<mirror::ClassLoader> class_loader) |
| 647 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 648 | |
Andreas Gampe | ce7732b | 2017-01-17 15:50:26 -0800 | [diff] [blame] | 649 | void AppendToBootClassPath(Thread* self, const DexFile& dex_file) |
| 650 | REQUIRES_SHARED(Locks::mutator_lock_) |
| 651 | REQUIRES(!Locks::dex_lock_); |
| 652 | |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 653 | struct DexCacheData { |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 654 | // Construct an invalid data object. |
| 655 | DexCacheData() |
| 656 | : weak_root(nullptr), |
| 657 | dex_file(nullptr), |
| 658 | resolved_methods(nullptr), |
| 659 | class_table(nullptr) { } |
| 660 | |
| 661 | // Check if the data is valid. |
| 662 | bool IsValid() const { |
| 663 | return dex_file != nullptr; |
| 664 | } |
| 665 | |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 666 | // Weak root to the DexCache. Note: Do not decode this unnecessarily or else class unloading may |
| 667 | // not work properly. |
| 668 | jweak weak_root; |
| 669 | // The following two fields are caches to the DexCache's fields and here to avoid unnecessary |
| 670 | // jweak decode that triggers read barriers (and mark them alive unnecessarily and mess with |
| 671 | // class unloading.) |
| 672 | const DexFile* dex_file; |
Vladimir Marko | 942fd31 | 2017-01-16 20:52:19 +0000 | [diff] [blame] | 673 | ArtMethod** resolved_methods; |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 674 | // Identify the associated class loader's class table. This is used to make sure that |
| 675 | // the Java call to native DexCache.setResolvedType() inserts the resolved type in that |
| 676 | // class table. It is also used to make sure we don't register the same dex cache with |
| 677 | // multiple class loaders. |
| 678 | ClassTable* class_table; |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 679 | }; |
| 680 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 681 | private: |
Vladimir Marko | 921094a | 2017-01-12 18:37:06 +0000 | [diff] [blame] | 682 | class LinkInterfaceMethodsHelper; |
| 683 | |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 684 | struct ClassLoaderData { |
Mathieu Chartier | c3fcd41 | 2015-09-25 16:54:59 -0700 | [diff] [blame] | 685 | jweak weak_root; // Weak root to enable class unloading. |
Mathieu Chartier | 951ec2c | 2015-09-22 08:50:05 -0700 | [diff] [blame] | 686 | ClassTable* class_table; |
| 687 | LinearAlloc* allocator; |
| 688 | }; |
| 689 | |
Alex Light | f1f1049 | 2015-10-07 16:08:36 -0700 | [diff] [blame] | 690 | // Ensures that the supertype of 'klass' ('supertype') is verified. Returns false and throws |
| 691 | // appropriate exceptions if verification failed hard. Returns true for successful verification or |
| 692 | // soft-failures. |
| 693 | bool AttemptSupertypeVerification(Thread* self, |
| 694 | Handle<mirror::Class> klass, |
| 695 | Handle<mirror::Class> supertype) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 696 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 697 | REQUIRES_SHARED(Locks::mutator_lock_); |
Alex Light | f1f1049 | 2015-10-07 16:08:36 -0700 | [diff] [blame] | 698 | |
Nicolas Geoffray | 1dad3f6 | 2015-10-23 14:59:54 +0100 | [diff] [blame] | 699 | static void DeleteClassLoader(Thread* self, const ClassLoaderData& data) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 700 | REQUIRES_SHARED(Locks::mutator_lock_); |
Nicolas Geoffray | 1dad3f6 | 2015-10-23 14:59:54 +0100 | [diff] [blame] | 701 | |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 702 | void VisitClassLoaders(ClassLoaderVisitor* visitor) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 703 | REQUIRES_SHARED(Locks::classlinker_classes_lock_, Locks::mutator_lock_); |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 704 | |
Mathieu Chartier | e0671ce | 2015-07-28 17:23:28 -0700 | [diff] [blame] | 705 | void VisitClassesInternal(ClassVisitor* visitor) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 706 | REQUIRES_SHARED(Locks::classlinker_classes_lock_, Locks::mutator_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 707 | |
| 708 | // Returns the number of zygote and image classes. |
Mathieu Chartier | 6b06953 | 2015-08-05 15:08:12 -0700 | [diff] [blame] | 709 | size_t NumZygoteClasses() const |
| 710 | REQUIRES(Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 711 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 712 | |
| 713 | // Returns the number of non zygote nor image classes. |
Mathieu Chartier | 6b06953 | 2015-08-05 15:08:12 -0700 | [diff] [blame] | 714 | size_t NumNonZygoteClasses() const |
| 715 | REQUIRES(Locks::classlinker_classes_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 716 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 717 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 718 | void FinishInit(Thread* self) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 719 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 720 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 721 | |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 722 | // For early bootstrapping by Init |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 723 | mirror::Class* AllocClass(Thread* self, |
| 724 | ObjPtr<mirror::Class> java_lang_Class, |
| 725 | uint32_t class_size) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 726 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 727 | REQUIRES(!Roles::uninterruptible_); |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 728 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 729 | // Alloc* convenience functions to avoid needing to pass in mirror::Class* |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 730 | // values that are known to the ClassLinker such as |
| 731 | // kObjectArrayClass and kJavaLangString etc. |
Ian Rogers | 6fac447 | 2014-02-25 17:01:10 -0800 | [diff] [blame] | 732 | mirror::Class* AllocClass(Thread* self, uint32_t class_size) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 733 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 734 | REQUIRES(!Roles::uninterruptible_); |
Mathieu Chartier | 6c60d84 | 2016-09-15 10:24:43 -0700 | [diff] [blame] | 735 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 736 | mirror::DexCache* AllocDexCache(ObjPtr<mirror::String>* out_location, |
Mathieu Chartier | 6c60d84 | 2016-09-15 10:24:43 -0700 | [diff] [blame] | 737 | Thread* self, |
| 738 | const DexFile& dex_file) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 739 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 740 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 741 | |
Mathieu Chartier | 6c60d84 | 2016-09-15 10:24:43 -0700 | [diff] [blame] | 742 | // Used for tests and AppendToBootClassPath. |
| 743 | mirror::DexCache* AllocAndInitializeDexCache(Thread* self, |
| 744 | const DexFile& dex_file, |
| 745 | LinearAlloc* linear_alloc) |
| 746 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 747 | REQUIRES(!Locks::dex_lock_) |
Mathieu Chartier | 6c60d84 | 2016-09-15 10:24:43 -0700 | [diff] [blame] | 748 | REQUIRES(!Roles::uninterruptible_); |
| 749 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 750 | mirror::Class* CreatePrimitiveClass(Thread* self, Primitive::Type type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 751 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 752 | REQUIRES(!Roles::uninterruptible_); |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 753 | mirror::Class* InitializePrimitiveClass(ObjPtr<mirror::Class> primitive_class, |
| 754 | Primitive::Type type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 755 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 756 | REQUIRES(!Roles::uninterruptible_); |
Brian Carlstrom | a331b3c | 2011-07-18 17:47:56 -0700 | [diff] [blame] | 757 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 758 | mirror::Class* CreateArrayClass(Thread* self, |
| 759 | const char* descriptor, |
| 760 | size_t hash, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 761 | Handle<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 762 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 763 | REQUIRES(!Locks::dex_lock_, !Roles::uninterruptible_); |
Brian Carlstrom | a331b3c | 2011-07-18 17:47:56 -0700 | [diff] [blame] | 764 | |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 765 | void AppendToBootClassPath(const DexFile& dex_file, ObjPtr<mirror::DexCache> dex_cache) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 766 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 767 | REQUIRES(!Locks::dex_lock_); |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 768 | |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 769 | // Precomputes size needed for Class, in the case of a non-temporary class this size must be |
| 770 | // sufficient to hold all static fields. |
| 771 | uint32_t SizeOfClassWithoutEmbeddedTables(const DexFile& dex_file, |
| 772 | const DexFile::ClassDef& dex_class_def); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 773 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 774 | // Setup the classloader, class def index, type idx so that we can insert this class in the class |
| 775 | // table. |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 776 | void SetupClass(const DexFile& dex_file, |
| 777 | const DexFile::ClassDef& dex_class_def, |
| 778 | Handle<mirror::Class> klass, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 779 | ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 780 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 781 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 782 | void LoadClass(Thread* self, |
| 783 | const DexFile& dex_file, |
| 784 | const DexFile::ClassDef& dex_class_def, |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 785 | Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 786 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 787 | void LoadClassMembers(Thread* self, |
| 788 | const DexFile& dex_file, |
| 789 | const uint8_t* class_data, |
Vladimir Marko | 97d7e1c | 2016-10-04 14:44:28 +0100 | [diff] [blame] | 790 | Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 791 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 792 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 793 | void LoadField(const ClassDataItemIterator& it, Handle<mirror::Class> klass, ArtField* dst) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 794 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 795 | |
Mathieu Chartier | 268764d | 2016-09-13 12:09:38 -0700 | [diff] [blame] | 796 | void LoadMethod(const DexFile& dex_file, |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 797 | const ClassDataItemIterator& it, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 798 | Handle<mirror::Class> klass, ArtMethod* dst) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 799 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | 934486c | 2011-07-12 23:42:50 -0700 | [diff] [blame] | 800 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 801 | void FixupStaticTrampolines(ObjPtr<mirror::Class> klass) REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 802 | |
Nicolas Geoffray | 7d8d8ff | 2016-11-02 12:38:05 +0000 | [diff] [blame] | 803 | // 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] | 804 | // function is supposed to be ComputeModifiedUtf8Hash(descriptor). Returns true if the |
| 805 | // class-loader chain could be handled, false otherwise, i.e., a non-supported class-loader |
| 806 | // was encountered while walking the parent chain (currently only BootClassLoader and |
| 807 | // PathClassLoader are supported). |
Nicolas Geoffray | 7d8d8ff | 2016-11-02 12:38:05 +0000 | [diff] [blame] | 808 | bool FindClassInBaseDexClassLoader(ScopedObjectAccessAlreadyRunnable& soa, |
| 809 | Thread* self, |
| 810 | const char* descriptor, |
| 811 | size_t hash, |
| 812 | Handle<mirror::ClassLoader> class_loader, |
| 813 | ObjPtr<mirror::Class>* result) |
Andreas Gampe | 34ee684 | 2014-12-02 15:43:52 -0800 | [diff] [blame] | 814 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 815 | REQUIRES(!Locks::dex_lock_); |
Andreas Gampe | 34ee684 | 2014-12-02 15:43:52 -0800 | [diff] [blame] | 816 | |
| 817 | // Finds a class by its descriptor, returning NULL if it isn't wasn't loaded |
| 818 | // by the given 'class_loader'. Uses the provided hash for the descriptor. |
| 819 | mirror::Class* LookupClass(Thread* self, |
| 820 | const char* descriptor, |
| 821 | size_t hash, |
| 822 | ObjPtr<mirror::ClassLoader> class_loader) |
| 823 | REQUIRES(!Locks::classlinker_classes_lock_) |
| 824 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 825 | |
Vladimir Marko | f44d36c | 2017-03-14 14:18:46 +0000 | [diff] [blame] | 826 | // Find a field by its field index. |
| 827 | ArtField* LookupResolvedField(uint32_t field_idx, |
| 828 | ObjPtr<mirror::DexCache> dex_cache, |
| 829 | ObjPtr<mirror::ClassLoader> class_loader, |
| 830 | bool is_static) |
| 831 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 832 | |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 833 | void RegisterDexFileLocked(const DexFile& dex_file, |
| 834 | ObjPtr<mirror::DexCache> dex_cache, |
| 835 | ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 836 | REQUIRES(Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 837 | REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 838 | DexCacheData FindDexCacheDataLocked(const DexFile& dex_file) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 839 | REQUIRES(Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 840 | REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | cd556b0 | 2017-02-03 11:47:34 +0000 | [diff] [blame] | 841 | static ObjPtr<mirror::DexCache> DecodeDexCache(Thread* self, const DexCacheData& data) |
| 842 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 843 | // Called to ensure that the dex cache has been registered with the same class loader. |
| 844 | // If yes, returns the dex cache, otherwise throws InternalError and returns null. |
| 845 | ObjPtr<mirror::DexCache> EnsureSameClassLoader(Thread* self, |
| 846 | ObjPtr<mirror::DexCache> dex_cache, |
| 847 | const DexCacheData& data, |
| 848 | ObjPtr<mirror::ClassLoader> class_loader) |
| 849 | REQUIRES(!Locks::dex_lock_) |
| 850 | REQUIRES_SHARED(Locks::mutator_lock_); |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 851 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 852 | bool InitializeClass(Thread* self, |
| 853 | Handle<mirror::Class> klass, |
| 854 | bool can_run_clinit, |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 855 | bool can_init_parents) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 856 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 857 | REQUIRES(!Locks::dex_lock_); |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 858 | bool InitializeDefaultInterfaceRecursive(Thread* self, |
| 859 | Handle<mirror::Class> klass, |
| 860 | bool can_run_clinit, |
| 861 | bool can_init_parents) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 862 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 863 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 864 | bool WaitForInitializeClass(Handle<mirror::Class> klass, |
| 865 | Thread* self, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 866 | ObjectLock<mirror::Class>& lock); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 867 | bool ValidateSuperClassDescriptors(Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 868 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 869 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 870 | bool IsSameDescriptorInDifferentClassContexts(Thread* self, |
| 871 | const char* descriptor, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 872 | Handle<mirror::ClassLoader> class_loader1, |
| 873 | Handle<mirror::ClassLoader> class_loader2) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 874 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 875 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 876 | bool IsSameMethodSignatureInDifferentClassContexts(Thread* self, |
| 877 | ArtMethod* method, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 878 | ObjPtr<mirror::Class> klass1, |
| 879 | ObjPtr<mirror::Class> klass2) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 880 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 881 | |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 882 | bool LinkClass(Thread* self, |
| 883 | const char* descriptor, |
| 884 | Handle<mirror::Class> klass, |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 885 | Handle<mirror::ObjectArray<mirror::Class>> interfaces, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 886 | MutableHandle<mirror::Class>* h_new_class_out) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 887 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 888 | REQUIRES(!Locks::classlinker_classes_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 889 | |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 890 | bool LinkSuperClass(Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 891 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 892 | |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 893 | bool LoadSuperAndInterfaces(Handle<mirror::Class> klass, const DexFile& dex_file) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 894 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 895 | REQUIRES(!Locks::dex_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 896 | |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 897 | bool LinkMethods(Thread* self, |
| 898 | Handle<mirror::Class> klass, |
Mathieu Chartier | 2d2621a | 2014-10-23 16:48:06 -0700 | [diff] [blame] | 899 | Handle<mirror::ObjectArray<mirror::Class>> interfaces, |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 900 | bool* out_new_conflict, |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 901 | ArtMethod** out_imt) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 902 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 903 | |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 904 | // A wrapper class representing the result of a method translation used for linking methods and |
| 905 | // updating superclass default methods. For each method in a classes vtable there are 4 states it |
| 906 | // could be in: |
| 907 | // 1) No translation is necessary. In this case there is no MethodTranslation object for it. This |
| 908 | // is the standard case and is true when the method is not overridable by a default method, |
| 909 | // the class defines a concrete implementation of the method, the default method implementation |
| 910 | // remains the same, or an abstract method stayed abstract. |
| 911 | // 2) The method must be translated to a different default method. We note this with |
| 912 | // CreateTranslatedMethod. |
| 913 | // 3) The method must be replaced with a conflict method. This happens when a superclass |
| 914 | // implements an interface with a default method and this class implements an unrelated |
| 915 | // interface that also defines that default method. We note this with CreateConflictingMethod. |
| 916 | // 4) The method must be replaced with an abstract miranda method. This happens when a superclass |
| 917 | // implements an interface with a default method and this class implements a subinterface of |
| 918 | // the superclass's interface which declares the default method abstract. We note this with |
| 919 | // CreateAbstractMethod. |
| 920 | // |
| 921 | // When a method translation is unnecessary (case #1), we don't put it into the |
| 922 | // default_translation maps. So an instance of MethodTranslation must be in one of #2-#4. |
| 923 | class MethodTranslation { |
| 924 | public: |
| 925 | // This slot must become a default conflict method. |
| 926 | static MethodTranslation CreateConflictingMethod() { |
| 927 | return MethodTranslation(Type::kConflict, /*translation*/nullptr); |
| 928 | } |
| 929 | |
| 930 | // This slot must become an abstract method. |
| 931 | static MethodTranslation CreateAbstractMethod() { |
| 932 | return MethodTranslation(Type::kAbstract, /*translation*/nullptr); |
| 933 | } |
| 934 | |
| 935 | // Use the given method as the current value for this vtable slot during translation. |
| 936 | static MethodTranslation CreateTranslatedMethod(ArtMethod* new_method) { |
| 937 | return MethodTranslation(Type::kTranslation, new_method); |
| 938 | } |
| 939 | |
| 940 | // Returns true if this is a method that must become a conflict method. |
| 941 | bool IsInConflict() const { |
| 942 | return type_ == Type::kConflict; |
| 943 | } |
| 944 | |
| 945 | // Returns true if this is a method that must become an abstract method. |
| 946 | bool IsAbstract() const { |
| 947 | return type_ == Type::kAbstract; |
| 948 | } |
| 949 | |
| 950 | // Returns true if this is a method that must become a different method. |
| 951 | bool IsTranslation() const { |
| 952 | return type_ == Type::kTranslation; |
| 953 | } |
| 954 | |
| 955 | // Get the translated version of this method. |
| 956 | ArtMethod* GetTranslation() const { |
| 957 | DCHECK(IsTranslation()); |
| 958 | DCHECK(translation_ != nullptr); |
| 959 | return translation_; |
| 960 | } |
| 961 | |
| 962 | private: |
| 963 | enum class Type { |
| 964 | kTranslation, |
| 965 | kConflict, |
| 966 | kAbstract, |
| 967 | }; |
| 968 | |
| 969 | MethodTranslation(Type type, ArtMethod* translation) |
| 970 | : translation_(translation), type_(type) {} |
| 971 | |
| 972 | ArtMethod* const translation_; |
| 973 | const Type type_; |
| 974 | }; |
| 975 | |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 976 | // Links the virtual methods for the given class and records any default methods that will need to |
| 977 | // be updated later. |
| 978 | // |
| 979 | // Arguments: |
| 980 | // * self - The current thread. |
| 981 | // * klass - class, whose vtable will be filled in. |
| 982 | // * default_translations - Vtable index to new method map. |
| 983 | // Any vtable entries that need to be updated with new default methods |
| 984 | // are stored into the default_translations map. The default_translations |
| 985 | // map is keyed on the vtable index that needs to be updated. We use this |
| 986 | // map because if we override a default method with another default |
| 987 | // method we need to update the vtable to point to the new method. |
| 988 | // Unfortunately since we copy the ArtMethod* we cannot just do a simple |
| 989 | // scan, we therefore store the vtable index's that might need to be |
| 990 | // updated with the method they will turn into. |
| 991 | // 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] | 992 | bool LinkVirtualMethods( |
| 993 | Thread* self, |
| 994 | Handle<mirror::Class> klass, |
| 995 | /*out*/std::unordered_map<size_t, MethodTranslation>* default_translations) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 996 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 997 | |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 998 | // Sets up the interface lookup table (IFTable) in the correct order to allow searching for |
| 999 | // default methods. |
| 1000 | bool SetupInterfaceLookupTable(Thread* self, |
| 1001 | Handle<mirror::Class> klass, |
| 1002 | Handle<mirror::ObjectArray<mirror::Class>> interfaces) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1003 | REQUIRES_SHARED(Locks::mutator_lock_); |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 1004 | |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 1005 | |
| 1006 | enum class DefaultMethodSearchResult { |
| 1007 | kDefaultFound, |
| 1008 | kAbstractFound, |
| 1009 | kDefaultConflict |
| 1010 | }; |
| 1011 | |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 1012 | // Find the default method implementation for 'interface_method' in 'klass', if one exists. |
| 1013 | // |
| 1014 | // Arguments: |
| 1015 | // * self - The current thread. |
| 1016 | // * target_method - The method we are trying to find a default implementation for. |
| 1017 | // * klass - The class we are searching for a definition of target_method. |
| 1018 | // * 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] | 1019 | // |
| 1020 | // Return value: |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 1021 | // * kDefaultFound - There were no conflicting method implementations found in the class while |
| 1022 | // searching for target_method. The default method implementation is stored into |
| 1023 | // out_default_method. |
| 1024 | // * kAbstractFound - There were no conflicting method implementations found in the class while |
| 1025 | // searching for target_method but no default implementation was found either. |
| 1026 | // out_default_method is set to null and the method should be considered not |
| 1027 | // implemented. |
| 1028 | // * kDefaultConflict - Conflicting method implementations were found when searching for |
| 1029 | // target_method. The value of *out_default_method is null. |
| 1030 | DefaultMethodSearchResult FindDefaultMethodImplementation( |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1031 | Thread* self, |
| 1032 | ArtMethod* target_method, |
| 1033 | Handle<mirror::Class> klass, |
| 1034 | /*out*/ArtMethod** out_default_method) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1035 | REQUIRES_SHARED(Locks::mutator_lock_); |
Alex Light | eb7c144 | 2015-08-31 13:17:42 -0700 | [diff] [blame] | 1036 | |
| 1037 | // Sets the imt entries and fixes up the vtable for the given class by linking all the interface |
| 1038 | // methods. See LinkVirtualMethods for an explanation of what default_translations is. |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 1039 | bool LinkInterfaceMethods( |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1040 | Thread* self, |
| 1041 | Handle<mirror::Class> klass, |
| 1042 | const std::unordered_map<size_t, MethodTranslation>& default_translations, |
| 1043 | bool* out_new_conflict, |
| 1044 | ArtMethod** out_imt) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1045 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1046 | |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1047 | bool LinkStaticFields(Thread* self, Handle<mirror::Class> klass, size_t* class_size) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1048 | REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 1049 | bool LinkInstanceFields(Thread* self, Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1050 | REQUIRES_SHARED(Locks::mutator_lock_); |
Igor Murashkin | b1d8c31 | 2015-08-04 11:18:43 -0700 | [diff] [blame] | 1051 | 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] | 1052 | REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 1053 | void CreateReferenceInstanceOffsets(Handle<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1054 | REQUIRES_SHARED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1055 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1056 | void CheckProxyConstructor(ArtMethod* constructor) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1057 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1058 | void CheckProxyMethod(ArtMethod* method, ArtMethod* prototype) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1059 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1060 | |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1061 | size_t GetDexCacheCount() REQUIRES_SHARED(Locks::mutator_lock_, Locks::dex_lock_) { |
Hiroshi Yamauchi | e9e3e69 | 2014-06-24 14:31:37 -0700 | [diff] [blame] | 1062 | return dex_caches_.size(); |
| 1063 | } |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 1064 | const std::list<DexCacheData>& GetDexCachesData() |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1065 | REQUIRES_SHARED(Locks::mutator_lock_, Locks::dex_lock_) { |
Mathieu Chartier | 673ed3d | 2015-08-28 14:56:43 -0700 | [diff] [blame] | 1066 | return dex_caches_; |
| 1067 | } |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 1068 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1069 | void CreateProxyConstructor(Handle<mirror::Class> klass, ArtMethod* out) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1070 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1071 | void CreateProxyMethod(Handle<mirror::Class> klass, ArtMethod* prototype, ArtMethod* out) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1072 | REQUIRES_SHARED(Locks::mutator_lock_); |
Jesse Wilson | 95caa79 | 2011-10-12 18:14:17 -0400 | [diff] [blame] | 1073 | |
Mathieu Chartier | 5b83050 | 2016-03-02 10:30:23 -0800 | [diff] [blame] | 1074 | // Register a class loader and create its class table and allocator. Should not be called if |
| 1075 | // these are already created. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1076 | void RegisterClassLoader(ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1077 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | 5b83050 | 2016-03-02 10:30:23 -0800 | [diff] [blame] | 1078 | REQUIRES(Locks::classlinker_classes_lock_); |
| 1079 | |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 1080 | // Insert a new class table if not found. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1081 | ClassTable* InsertClassTableForClassLoader(ObjPtr<mirror::ClassLoader> class_loader) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1082 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 1083 | REQUIRES(Locks::classlinker_classes_lock_); |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 1084 | |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 1085 | // EnsureResolved is called to make sure that a class in the class_table_ has been resolved |
| 1086 | // before returning it to the caller. Its the responsibility of the thread that placed the class |
| 1087 | // in the table to make it resolved. The thread doing resolution must notify on the class' lock |
| 1088 | // when resolution has occurred. This happens in mirror::Class::SetStatus. As resolution may |
| 1089 | // retire a class, the version of the class in the table is returned and this may differ from |
| 1090 | // the class passed in. |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1091 | mirror::Class* EnsureResolved(Thread* self, const char* descriptor, ObjPtr<mirror::Class> klass) |
Mathieu Chartier | c77f3ab | 2015-09-03 19:41:50 -0700 | [diff] [blame] | 1092 | WARN_UNUSED |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1093 | REQUIRES_SHARED(Locks::mutator_lock_) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1094 | REQUIRES(!Locks::dex_lock_); |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 1095 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1096 | void FixupTemporaryDeclaringClass(ObjPtr<mirror::Class> temp_class, |
| 1097 | ObjPtr<mirror::Class> new_class) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1098 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | dbf3be0 | 2014-08-29 15:40:08 -0700 | [diff] [blame] | 1099 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1100 | void SetClassRoot(ClassRoot class_root, ObjPtr<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1101 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1102 | |
| 1103 | // Return the quick generic JNI stub for testing. |
| 1104 | const void* GetRuntimeQuickGenericJniStub() const; |
| 1105 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1106 | bool CanWeInitializeClass(ObjPtr<mirror::Class> klass, |
| 1107 | bool can_init_statics, |
| 1108 | bool can_init_parents) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1109 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1110 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1111 | void UpdateClassMethods(ObjPtr<mirror::Class> klass, |
Alex Light | e64300b | 2015-12-15 15:02:47 -0800 | [diff] [blame] | 1112 | LengthPrefixedArray<ArtMethod>* new_methods) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1113 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | 54d220e | 2015-07-30 16:20:06 -0700 | [diff] [blame] | 1114 | REQUIRES(!Locks::classlinker_classes_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1115 | |
Mathieu Chartier | 6973100 | 2016-03-02 16:08:31 -0800 | [diff] [blame] | 1116 | // new_class_set is the set of classes that were read from the class table section in the image. |
| 1117 | // If there was no class table section, it is null. |
Mathieu Chartier | 1aa8ec2 | 2016-02-01 10:34:47 -0800 | [diff] [blame] | 1118 | bool UpdateAppImageClassLoadersAndDexCaches( |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1119 | gc::space::ImageSpace* space, |
| 1120 | Handle<mirror::ClassLoader> class_loader, |
| 1121 | Handle<mirror::ObjectArray<mirror::DexCache>> dex_caches, |
Mathieu Chartier | 6973100 | 2016-03-02 16:08:31 -0800 | [diff] [blame] | 1122 | ClassTable::ClassSet* new_class_set, |
Mathieu Chartier | 1aa8ec2 | 2016-02-01 10:34:47 -0800 | [diff] [blame] | 1123 | bool* out_forward_dex_cache_array, |
| 1124 | std::string* out_error_msg) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1125 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1126 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1127 | |
Andreas Gampe | 7ba5a67 | 2016-02-04 21:45:01 -0800 | [diff] [blame] | 1128 | // Check that c1 == FindSystemClass(self, descriptor). Abort with class dumps otherwise. |
| 1129 | void CheckSystemClass(Thread* self, Handle<mirror::Class> c1, const char* descriptor) |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1130 | REQUIRES(!Locks::dex_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1131 | REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 7ba5a67 | 2016-02-04 21:45:01 -0800 | [diff] [blame] | 1132 | |
Vladimir Marko | 921094a | 2017-01-12 18:37:06 +0000 | [diff] [blame] | 1133 | // Allocate method arrays for interfaces. |
| 1134 | bool AllocateIfTableMethodArrays(Thread* self, |
| 1135 | Handle<mirror::Class> klass, |
| 1136 | Handle<mirror::IfTable> iftable) |
| 1137 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 1138 | |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1139 | // Sets imt_ref appropriately for LinkInterfaceMethods. |
| 1140 | // If there is no method in the imt location of imt_ref it will store the given method there. |
| 1141 | // Otherwise it will set the conflict method which will figure out which method to use during |
| 1142 | // runtime. |
| 1143 | void SetIMTRef(ArtMethod* unimplemented_method, |
| 1144 | ArtMethod* imt_conflict_method, |
| 1145 | ArtMethod* current_method, |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1146 | /*out*/bool* new_conflict, |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1147 | /*out*/ArtMethod** imt_ref) REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1148 | |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1149 | void FillIMTFromIfTable(ObjPtr<mirror::IfTable> if_table, |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1150 | ArtMethod* unimplemented_method, |
| 1151 | ArtMethod* imt_conflict_method, |
Mathieu Chartier | 28357fa | 2016-10-18 16:27:40 -0700 | [diff] [blame] | 1152 | ObjPtr<mirror::Class> klass, |
Mathieu Chartier | e42888f | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1153 | bool create_conflict_tables, |
| 1154 | bool ignore_copied_methods, |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1155 | /*out*/bool* new_conflict, |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1156 | /*out*/ArtMethod** imt) REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1157 | |
| 1158 | void FillImtFromSuperClass(Handle<mirror::Class> klass, |
| 1159 | ArtMethod* unimplemented_method, |
| 1160 | ArtMethod* imt_conflict_method, |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1161 | bool* new_conflict, |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1162 | ArtMethod** imt) REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 7f98c9a | 2016-04-14 10:49:19 -0700 | [diff] [blame] | 1163 | |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1164 | std::vector<const DexFile*> boot_class_path_; |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 1165 | std::vector<std::unique_ptr<const DexFile>> boot_dex_files_; |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 1166 | |
Hiroshi Yamauchi | 04302db | 2015-11-11 23:45:34 -0800 | [diff] [blame] | 1167 | // JNI weak globals and side data to allow dex caches to get unloaded. We lazily delete weak |
| 1168 | // globals when we register new dex files. |
Andreas Gampe | cc1b535 | 2016-12-01 16:58:38 -0800 | [diff] [blame] | 1169 | std::list<DexCacheData> dex_caches_ GUARDED_BY(Locks::dex_lock_); |
Brian Carlstrom | 47d237a | 2011-10-18 15:08:33 -0700 | [diff] [blame] | 1170 | |
Mathieu Chartier | 9b1c71e | 2015-09-02 18:51:54 -0700 | [diff] [blame] | 1171 | // 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] | 1172 | // InsertClassTableForClassLoader. |
| 1173 | std::list<ClassLoaderData> class_loaders_ |
Mathieu Chartier | 6b06953 | 2015-08-05 15:08:12 -0700 | [diff] [blame] | 1174 | GUARDED_BY(Locks::classlinker_classes_lock_); |
| 1175 | |
| 1176 | // Boot class path table. Since the class loader for this is null. |
| 1177 | ClassTable boot_class_table_ GUARDED_BY(Locks::classlinker_classes_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1178 | |
Mathieu Chartier | cc5ebdf | 2015-07-27 11:19:43 -0700 | [diff] [blame] | 1179 | // New class roots, only used by CMS since the GC needs to mark these in the pause. |
| 1180 | 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] | 1181 | |
Vladimir Marko | 1998cd0 | 2017-01-13 13:02:58 +0000 | [diff] [blame] | 1182 | // Boot image oat files with new .bss GC roots to be visited in the pause by CMS. |
| 1183 | std::vector<const OatFile*> new_bss_roots_boot_oat_files_ |
| 1184 | GUARDED_BY(Locks::classlinker_classes_lock_); |
| 1185 | |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 1186 | // Number of times we've searched dex caches for a class. After a certain number of misses we move |
| 1187 | // the classes into the class_table_ to avoid dex cache based searches. |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 1188 | Atomic<uint32_t> failed_dex_cache_class_lookups_; |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 1189 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1190 | // Well known mirror::Class roots. |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 1191 | GcRoot<mirror::ObjectArray<mirror::Class>> class_roots_; |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1192 | |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 1193 | // The interface table used by all arrays. |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 1194 | GcRoot<mirror::IfTable> array_iftable_; |
Carl Shapiro | 565f507 | 2011-07-10 13:39:43 -0700 | [diff] [blame] | 1195 | |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 1196 | // A cache of the last FindArrayClass results. The cache serves to avoid creating array class |
| 1197 | // descriptors for the sake of performing FindClass. |
| 1198 | static constexpr size_t kFindArrayCacheSize = 16; |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 1199 | GcRoot<mirror::Class> find_array_class_cache_[kFindArrayCacheSize]; |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 1200 | size_t find_array_class_cache_next_victim_; |
| 1201 | |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1202 | bool init_done_; |
Vladimir Marko | 1998cd0 | 2017-01-13 13:02:58 +0000 | [diff] [blame] | 1203 | bool log_new_roots_ GUARDED_BY(Locks::classlinker_classes_lock_); |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1204 | |
Elliott Hughes | cf4c6c4 | 2011-09-01 15:16:42 -0700 | [diff] [blame] | 1205 | InternTable* intern_table_; |
| 1206 | |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1207 | // Trampolines within the image the bounce to runtime entrypoints. Done so that there is a single |
| 1208 | // patch point within the image. TODO: make these proper relocations. |
Jeff Hao | 0aba0ba | 2013-06-03 14:49:28 -0700 | [diff] [blame] | 1209 | const void* quick_resolution_trampoline_; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1210 | const void* quick_imt_conflict_trampoline_; |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 1211 | const void* quick_generic_jni_trampoline_; |
Vladimir Marko | 8a63057 | 2014-04-09 18:45:35 +0100 | [diff] [blame] | 1212 | const void* quick_to_interpreter_bridge_trampoline_; |
Jeff Hao | 0aba0ba | 2013-06-03 14:49:28 -0700 | [diff] [blame] | 1213 | |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 1214 | // Image pointer size. |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1215 | PointerSize image_pointer_size_; |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 1216 | |
Mathieu Chartier | 6597577 | 2016-08-05 10:46:36 -0700 | [diff] [blame] | 1217 | class FindVirtualMethodHolderVisitor; |
Mathieu Chartier | 496577f | 2016-09-20 15:33:31 -0700 | [diff] [blame] | 1218 | friend struct CompilationHelper; // For Compile in ImageTest. |
Mathieu Chartier | f9c6fc6 | 2015-10-07 11:44:05 -0700 | [diff] [blame] | 1219 | friend class ImageDumper; // for DexLock |
Brian Carlstrom | 34f426c | 2011-10-04 12:58:02 -0700 | [diff] [blame] | 1220 | friend class ImageWriter; // for GetClassRoots |
Nicolas Geoffray | 7d8d8ff | 2016-11-02 12:38:05 +0000 | [diff] [blame] | 1221 | friend class VMClassLoader; // for LookupClass and FindClassInBaseDexClassLoader. |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1222 | friend class JniCompilerTest; // for GetRuntimeQuickGenericJniStub |
Andreas Gampe | 5f4a09a | 2015-09-28 13:16:33 -0700 | [diff] [blame] | 1223 | friend class JniInternalTest; // for GetRuntimeQuickGenericJniStub |
Mathieu Chartier | 7617216 | 2016-01-26 14:54:06 -0800 | [diff] [blame] | 1224 | ART_FRIEND_TEST(ClassLinkerTest, RegisterDexFileName); // for DexLock, and RegisterDexFileLocked |
Narayan Kamath | 25352fc | 2016-08-03 12:46:58 +0100 | [diff] [blame] | 1225 | ART_FRIEND_TEST(mirror::DexCacheMethodHandlesTest, Open); // for AllocDexCache |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1226 | ART_FRIEND_TEST(mirror::DexCacheTest, Open); // for AllocDexCache |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1227 | DISALLOW_COPY_AND_ASSIGN(ClassLinker); |
| 1228 | }; |
| 1229 | |
Andreas Gampe | 0f01b58 | 2017-01-18 15:22:37 -0800 | [diff] [blame] | 1230 | class ClassLoadCallback { |
| 1231 | public: |
| 1232 | virtual ~ClassLoadCallback() {} |
| 1233 | |
Alex Light | b0f1192 | 2017-01-23 14:25:17 -0800 | [diff] [blame] | 1234 | // If set we will replace initial_class_def & initial_dex_file with the final versions. The |
| 1235 | // callback author is responsible for ensuring these are allocated in such a way they can be |
| 1236 | // cleaned up if another transformation occurs. Note that both must be set or null/unchanged on |
| 1237 | // return. |
| 1238 | // Note: the class may be temporary, in which case a following ClassPrepare event will be a |
| 1239 | // different object. It is the listener's responsibility to handle this. |
| 1240 | // Note: This callback is rarely useful so a default implementation has been given that does |
| 1241 | // nothing. |
| 1242 | virtual void ClassPreDefine(const char* descriptor ATTRIBUTE_UNUSED, |
| 1243 | Handle<mirror::Class> klass ATTRIBUTE_UNUSED, |
| 1244 | Handle<mirror::ClassLoader> class_loader ATTRIBUTE_UNUSED, |
| 1245 | const DexFile& initial_dex_file ATTRIBUTE_UNUSED, |
| 1246 | const DexFile::ClassDef& initial_class_def ATTRIBUTE_UNUSED, |
| 1247 | /*out*/DexFile const** final_dex_file ATTRIBUTE_UNUSED, |
Alex Light | 4b0cedf | 2017-01-24 11:15:20 -0800 | [diff] [blame] | 1248 | /*out*/DexFile::ClassDef const** final_class_def ATTRIBUTE_UNUSED) |
Alex Light | b0f1192 | 2017-01-23 14:25:17 -0800 | [diff] [blame] | 1249 | REQUIRES_SHARED(Locks::mutator_lock_) {} |
| 1250 | |
Andreas Gampe | 0f01b58 | 2017-01-18 15:22:37 -0800 | [diff] [blame] | 1251 | // A class has been loaded. |
| 1252 | // Note: the class may be temporary, in which case a following ClassPrepare event will be a |
| 1253 | // different object. It is the listener's responsibility to handle this. |
| 1254 | virtual void ClassLoad(Handle<mirror::Class> klass) REQUIRES_SHARED(Locks::mutator_lock_) = 0; |
| 1255 | |
| 1256 | // A class has been prepared, i.e., resolved. As the ClassLoad event might have been for a |
| 1257 | // temporary class, provide both the former and the current class. |
| 1258 | virtual void ClassPrepare(Handle<mirror::Class> temp_klass, |
| 1259 | Handle<mirror::Class> klass) REQUIRES_SHARED(Locks::mutator_lock_) = 0; |
| 1260 | }; |
| 1261 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1262 | } // namespace art |
| 1263 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 1264 | #endif // ART_RUNTIME_CLASS_LINKER_H_ |