Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [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 | */ |
| 16 | |
| 17 | #include "class.h" |
| 18 | |
Andreas Gampe | 46ee31b | 2016-12-14 10:11:49 -0800 | [diff] [blame] | 19 | #include "android-base/stringprintf.h" |
| 20 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 21 | #include "art_field-inl.h" |
| 22 | #include "art_method-inl.h" |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 23 | #include "class_ext.h" |
Vladimir Marko | 3481ba2 | 2015-04-13 12:22:36 +0100 | [diff] [blame] | 24 | #include "class_linker-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 25 | #include "class_loader.h" |
Ian Rogers | 22d5e73 | 2014-07-15 22:23:51 -0700 | [diff] [blame] | 26 | #include "class-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 27 | #include "dex_cache.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 28 | #include "dex_file-inl.h" |
David Sehr | 9323e6e | 2016-09-13 08:58:35 -0700 | [diff] [blame] | 29 | #include "dex_file_annotations.h" |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 30 | #include "gc/accounting/card_table-inl.h" |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 31 | #include "handle_scope-inl.h" |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 32 | #include "method.h" |
Ian Rogers | 22d5e73 | 2014-07-15 22:23:51 -0700 | [diff] [blame] | 33 | #include "object_array-inl.h" |
| 34 | #include "object-inl.h" |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 35 | #include "object_lock.h" |
Ian Rogers | 22d5e73 | 2014-07-15 22:23:51 -0700 | [diff] [blame] | 36 | #include "runtime.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 37 | #include "thread.h" |
| 38 | #include "throwable.h" |
| 39 | #include "utils.h" |
| 40 | #include "well_known_classes.h" |
| 41 | |
| 42 | namespace art { |
| 43 | namespace mirror { |
| 44 | |
Andreas Gampe | 46ee31b | 2016-12-14 10:11:49 -0800 | [diff] [blame] | 45 | using android::base::StringPrintf; |
| 46 | |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 47 | GcRoot<Class> Class::java_lang_Class_; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 48 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 49 | void Class::SetClassClass(ObjPtr<Class> java_lang_Class) { |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 50 | CHECK(java_lang_Class_.IsNull()) |
| 51 | << java_lang_Class_.Read() |
Hiroshi Yamauchi | 4f1ebc2 | 2014-06-25 14:30:41 -0700 | [diff] [blame] | 52 | << " " << java_lang_Class; |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 53 | CHECK(java_lang_Class != nullptr); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 54 | java_lang_Class->SetClassFlags(kClassFlagClass); |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 55 | java_lang_Class_ = GcRoot<Class>(java_lang_Class); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 56 | } |
| 57 | |
| 58 | void Class::ResetClass() { |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 59 | CHECK(!java_lang_Class_.IsNull()); |
| 60 | java_lang_Class_ = GcRoot<Class>(nullptr); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 61 | } |
| 62 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 63 | void Class::VisitRoots(RootVisitor* visitor) { |
| 64 | java_lang_Class_.VisitRootIfNonNull(visitor, RootInfo(kRootStickyClass)); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 65 | } |
| 66 | |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 67 | ClassExt* Class::GetExtData() { |
| 68 | return GetFieldObject<ClassExt>(OFFSET_OF_OBJECT_MEMBER(Class, ext_data_)); |
| 69 | } |
| 70 | |
Alex Light | 0273ad1 | 2016-11-02 11:19:31 -0700 | [diff] [blame] | 71 | ClassExt* Class::EnsureExtDataPresent(Thread* self) { |
| 72 | ObjPtr<ClassExt> existing(GetExtData()); |
| 73 | if (!existing.IsNull()) { |
| 74 | return existing.Ptr(); |
| 75 | } |
| 76 | StackHandleScope<3> hs(self); |
| 77 | // Handlerize 'this' since we are allocating here. |
| 78 | Handle<Class> h_this(hs.NewHandle(this)); |
| 79 | // Clear exception so we can allocate. |
| 80 | Handle<Throwable> throwable(hs.NewHandle(self->GetException())); |
| 81 | self->ClearException(); |
| 82 | // Allocate the ClassExt |
| 83 | Handle<ClassExt> new_ext(hs.NewHandle(ClassExt::Alloc(self))); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame^] | 84 | if (new_ext == nullptr) { |
Alex Light | 0273ad1 | 2016-11-02 11:19:31 -0700 | [diff] [blame] | 85 | // OOM allocating the classExt. |
| 86 | // TODO Should we restore the suppressed exception? |
| 87 | self->AssertPendingOOMException(); |
| 88 | return nullptr; |
Andreas Gampe | 99babb6 | 2015-11-02 16:20:00 -0800 | [diff] [blame] | 89 | } else { |
Alex Light | 0273ad1 | 2016-11-02 11:19:31 -0700 | [diff] [blame] | 90 | MemberOffset ext_offset(OFFSET_OF_OBJECT_MEMBER(Class, ext_data_)); |
| 91 | bool set; |
| 92 | // Set the ext_data_ field using CAS semantics. |
| 93 | if (Runtime::Current()->IsActiveTransaction()) { |
| 94 | set = h_this->CasFieldStrongSequentiallyConsistentObject<true>(ext_offset, |
| 95 | ObjPtr<ClassExt>(nullptr), |
| 96 | new_ext.Get()); |
| 97 | } else { |
| 98 | set = h_this->CasFieldStrongSequentiallyConsistentObject<false>(ext_offset, |
| 99 | ObjPtr<ClassExt>(nullptr), |
| 100 | new_ext.Get()); |
| 101 | } |
| 102 | ObjPtr<ClassExt> ret(set ? new_ext.Get() : h_this->GetExtData()); |
| 103 | DCHECK(!set || h_this->GetExtData() == new_ext.Get()); |
| 104 | CHECK(!ret.IsNull()); |
| 105 | // Restore the exception if there was one. |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame^] | 106 | if (throwable != nullptr) { |
Alex Light | 0273ad1 | 2016-11-02 11:19:31 -0700 | [diff] [blame] | 107 | self->SetException(throwable.Get()); |
| 108 | } |
| 109 | return ret.Ptr(); |
Andreas Gampe | 99babb6 | 2015-11-02 16:20:00 -0800 | [diff] [blame] | 110 | } |
| 111 | } |
| 112 | |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 113 | void Class::SetStatus(Handle<Class> h_this, Status new_status, Thread* self) { |
| 114 | Status old_status = h_this->GetStatus(); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 115 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 116 | bool class_linker_initialized = class_linker != nullptr && class_linker->IsInitialized(); |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 117 | if (LIKELY(class_linker_initialized)) { |
Vladimir Marko | 72ab684 | 2017-01-20 19:32:50 +0000 | [diff] [blame] | 118 | if (UNLIKELY(new_status <= old_status && |
| 119 | new_status != kStatusErrorUnresolved && |
| 120 | new_status != kStatusErrorResolved && |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 121 | new_status != kStatusRetired)) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 122 | LOG(FATAL) << "Unexpected change back of class status for " << h_this->PrettyClass() |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 123 | << " " << old_status << " -> " << new_status; |
Ian Rogers | 8f3c9ae | 2013-08-20 17:26:41 -0700 | [diff] [blame] | 124 | } |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 125 | if (new_status >= kStatusResolved || old_status >= kStatusResolved) { |
| 126 | // When classes are being resolved the resolution code should hold the lock. |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 127 | CHECK_EQ(h_this->GetLockOwnerThreadId(), self->GetThreadId()) |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 128 | << "Attempt to change status of class while not holding its lock: " |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 129 | << h_this->PrettyClass() << " " << old_status << " -> " << new_status; |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 130 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 131 | } |
Vladimir Marko | 72ab684 | 2017-01-20 19:32:50 +0000 | [diff] [blame] | 132 | if (UNLIKELY(IsErroneous(new_status))) { |
| 133 | CHECK(!h_this->IsErroneous()) |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 134 | << "Attempt to set as erroneous an already erroneous class " |
Vladimir Marko | 72ab684 | 2017-01-20 19:32:50 +0000 | [diff] [blame] | 135 | << h_this->PrettyClass() |
| 136 | << " old_status: " << old_status << " new_status: " << new_status; |
| 137 | CHECK_EQ(new_status == kStatusErrorResolved, old_status >= kStatusResolved); |
Andreas Gampe | 31decb1 | 2015-08-24 21:09:05 -0700 | [diff] [blame] | 138 | if (VLOG_IS_ON(class_linker)) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 139 | LOG(ERROR) << "Setting " << h_this->PrettyDescriptor() << " to erroneous."; |
Andreas Gampe | 31decb1 | 2015-08-24 21:09:05 -0700 | [diff] [blame] | 140 | if (self->IsExceptionPending()) { |
| 141 | LOG(ERROR) << "Exception: " << self->GetException()->Dump(); |
| 142 | } |
| 143 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 144 | |
Alex Light | 0273ad1 | 2016-11-02 11:19:31 -0700 | [diff] [blame] | 145 | ObjPtr<ClassExt> ext(h_this->EnsureExtDataPresent(self)); |
| 146 | if (!ext.IsNull()) { |
| 147 | self->AssertPendingException(); |
| 148 | ext->SetVerifyError(self->GetException()); |
| 149 | } else { |
| 150 | self->AssertPendingOOMException(); |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 151 | } |
| 152 | self->AssertPendingException(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 153 | } |
Alex Light | 0273ad1 | 2016-11-02 11:19:31 -0700 | [diff] [blame] | 154 | |
Andreas Gampe | 575e78c | 2014-11-03 23:41:03 -0800 | [diff] [blame] | 155 | static_assert(sizeof(Status) == sizeof(uint32_t), "Size of status not equal to uint32"); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 156 | if (Runtime::Current()->IsActiveTransaction()) { |
Mathieu Chartier | 93bbee0 | 2016-08-31 09:38:40 -0700 | [diff] [blame] | 157 | h_this->SetField32Volatile<true>(StatusOffset(), new_status); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 158 | } else { |
Mathieu Chartier | 93bbee0 | 2016-08-31 09:38:40 -0700 | [diff] [blame] | 159 | h_this->SetField32Volatile<false>(StatusOffset(), new_status); |
| 160 | } |
| 161 | |
| 162 | // Setting the object size alloc fast path needs to be after the status write so that if the |
| 163 | // alloc path sees a valid object size, we would know that it's initialized as long as it has a |
| 164 | // load-acquire/fake dependency. |
| 165 | if (new_status == kStatusInitialized && !h_this->IsVariableSize()) { |
Mathieu Chartier | 161db1d | 2016-09-01 14:06:54 -0700 | [diff] [blame] | 166 | DCHECK_EQ(h_this->GetObjectSizeAllocFastPath(), std::numeric_limits<uint32_t>::max()); |
| 167 | // Finalizable objects must always go slow path. |
| 168 | if (!h_this->IsFinalizable()) { |
| 169 | h_this->SetObjectSizeAllocFastPath(RoundUp(h_this->GetObjectSize(), kObjectAlignment)); |
Mathieu Chartier | 93bbee0 | 2016-08-31 09:38:40 -0700 | [diff] [blame] | 170 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 171 | } |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 172 | |
| 173 | if (!class_linker_initialized) { |
| 174 | // When the class linker is being initialized its single threaded and by definition there can be |
| 175 | // no waiters. During initialization classes may appear temporary but won't be retired as their |
| 176 | // size was statically computed. |
| 177 | } else { |
| 178 | // Classes that are being resolved or initialized need to notify waiters that the class status |
| 179 | // changed. See ClassLinker::EnsureResolved and ClassLinker::WaitForInitializeClass. |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 180 | if (h_this->IsTemp()) { |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 181 | // Class is a temporary one, ensure that waiters for resolution get notified of retirement |
| 182 | // so that they can grab the new version of the class from the class linker's table. |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 183 | CHECK_LT(new_status, kStatusResolved) << h_this->PrettyDescriptor(); |
Vladimir Marko | 72ab684 | 2017-01-20 19:32:50 +0000 | [diff] [blame] | 184 | if (new_status == kStatusRetired || new_status == kStatusErrorUnresolved) { |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 185 | h_this->NotifyAll(self); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 186 | } |
| 187 | } else { |
| 188 | CHECK_NE(new_status, kStatusRetired); |
| 189 | if (old_status >= kStatusResolved || new_status >= kStatusResolved) { |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 190 | h_this->NotifyAll(self); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 191 | } |
| 192 | } |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 193 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 194 | } |
| 195 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 196 | void Class::SetDexCache(ObjPtr<DexCache> new_dex_cache) { |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 197 | SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(Class, dex_cache_), new_dex_cache); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 198 | } |
| 199 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 200 | void Class::SetClassSize(uint32_t new_class_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 201 | if (kIsDebugBuild && new_class_size < GetClassSize()) { |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 202 | DumpClass(LOG_STREAM(FATAL_WITHOUT_ABORT), kDumpClassFullDetail); |
| 203 | LOG(FATAL_WITHOUT_ABORT) << new_class_size << " vs " << GetClassSize(); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 204 | LOG(FATAL) << "class=" << PrettyTypeOf(); |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 205 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 206 | // Not called within a transaction. |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 207 | SetField32<false>(OFFSET_OF_OBJECT_MEMBER(Class, class_size_), new_class_size); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | // Return the class' name. The exact format is bizarre, but it's the specified behavior for |
| 211 | // Class.getName: keywords for primitive types, regular "[I" form for primitive arrays (so "int" |
| 212 | // but "[I"), and arrays of reference types written between "L" and ";" but with dots rather than |
| 213 | // slashes (so "java.lang.String" but "[Ljava.lang.String;"). Madness. |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 214 | String* Class::ComputeName(Handle<Class> h_this) { |
| 215 | String* name = h_this->GetName(); |
Mathieu Chartier | 692fafd | 2013-11-29 17:24:40 -0800 | [diff] [blame] | 216 | if (name != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 217 | return name; |
| 218 | } |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 219 | std::string temp; |
| 220 | const char* descriptor = h_this->GetDescriptor(&temp); |
Mathieu Chartier | 692fafd | 2013-11-29 17:24:40 -0800 | [diff] [blame] | 221 | Thread* self = Thread::Current(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 222 | if ((descriptor[0] != 'L') && (descriptor[0] != '[')) { |
| 223 | // The descriptor indicates that this is the class for |
| 224 | // a primitive type; special-case the return value. |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 225 | const char* c_name = nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 226 | switch (descriptor[0]) { |
| 227 | case 'Z': c_name = "boolean"; break; |
| 228 | case 'B': c_name = "byte"; break; |
| 229 | case 'C': c_name = "char"; break; |
| 230 | case 'S': c_name = "short"; break; |
| 231 | case 'I': c_name = "int"; break; |
| 232 | case 'J': c_name = "long"; break; |
| 233 | case 'F': c_name = "float"; break; |
| 234 | case 'D': c_name = "double"; break; |
| 235 | case 'V': c_name = "void"; break; |
| 236 | default: |
| 237 | LOG(FATAL) << "Unknown primitive type: " << PrintableChar(descriptor[0]); |
| 238 | } |
Mathieu Chartier | 692fafd | 2013-11-29 17:24:40 -0800 | [diff] [blame] | 239 | name = String::AllocFromModifiedUtf8(self, c_name); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 240 | } else { |
| 241 | // Convert the UTF-8 name to a java.lang.String. The name must use '.' to separate package |
| 242 | // components. |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 243 | name = String::AllocFromModifiedUtf8(self, DescriptorToDot(descriptor).c_str()); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 244 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 245 | h_this->SetName(name); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 246 | return name; |
| 247 | } |
| 248 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 249 | void Class::DumpClass(std::ostream& os, int flags) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 250 | if ((flags & kDumpClassFullDetail) == 0) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 251 | os << PrettyClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 252 | if ((flags & kDumpClassClassLoader) != 0) { |
| 253 | os << ' ' << GetClassLoader(); |
| 254 | } |
| 255 | if ((flags & kDumpClassInitialized) != 0) { |
| 256 | os << ' ' << GetStatus(); |
| 257 | } |
| 258 | os << "\n"; |
| 259 | return; |
| 260 | } |
| 261 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 262 | Thread* const self = Thread::Current(); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 263 | StackHandleScope<2> hs(self); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 264 | Handle<Class> h_this(hs.NewHandle(this)); |
| 265 | Handle<Class> h_super(hs.NewHandle(GetSuperClass())); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 266 | auto image_pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 267 | |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 268 | std::string temp; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 269 | os << "----- " << (IsInterface() ? "interface" : "class") << " " |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 270 | << "'" << GetDescriptor(&temp) << "' cl=" << GetClassLoader() << " -----\n", |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 271 | os << " objectSize=" << SizeOf() << " " |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame^] | 272 | << "(" << (h_super != nullptr ? h_super->SizeOf() : -1) << " from super)\n", |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 273 | os << StringPrintf(" access=0x%04x.%04x\n", |
| 274 | GetAccessFlags() >> 16, GetAccessFlags() & kAccJavaFlagsMask); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame^] | 275 | if (h_super != nullptr) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 276 | os << " super='" << h_super->PrettyClass() << "' (cl=" << h_super->GetClassLoader() |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 277 | << ")\n"; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 278 | } |
| 279 | if (IsArrayClass()) { |
| 280 | os << " componentType=" << PrettyClass(GetComponentType()) << "\n"; |
| 281 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 282 | const size_t num_direct_interfaces = NumDirectInterfaces(); |
| 283 | if (num_direct_interfaces > 0) { |
| 284 | os << " interfaces (" << num_direct_interfaces << "):\n"; |
| 285 | for (size_t i = 0; i < num_direct_interfaces; ++i) { |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 286 | ObjPtr<Class> interface = GetDirectInterface(self, h_this.Get(), i); |
Andreas Gampe | 16f149c | 2015-03-23 10:10:20 -0700 | [diff] [blame] | 287 | if (interface == nullptr) { |
| 288 | os << StringPrintf(" %2zd: nullptr!\n", i); |
| 289 | } else { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 290 | ObjPtr<ClassLoader> cl = interface->GetClassLoader(); |
| 291 | os << StringPrintf(" %2zd: %s (cl=%p)\n", i, PrettyClass(interface).c_str(), cl.Ptr()); |
Andreas Gampe | 16f149c | 2015-03-23 10:10:20 -0700 | [diff] [blame] | 292 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 293 | } |
| 294 | } |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 295 | if (!IsLoaded()) { |
| 296 | os << " class not yet loaded"; |
| 297 | } else { |
| 298 | // After this point, this may have moved due to GetDirectInterface. |
| 299 | os << " vtable (" << h_this->NumVirtualMethods() << " entries, " |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame^] | 300 | << (h_super != nullptr ? h_super->NumVirtualMethods() : 0) << " in super):\n"; |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 301 | for (size_t i = 0; i < NumVirtualMethods(); ++i) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 302 | os << StringPrintf(" %2zd: %s\n", i, ArtMethod::PrettyMethod( |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 303 | h_this->GetVirtualMethodDuringLinking(i, image_pointer_size)).c_str()); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 304 | } |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 305 | os << " direct methods (" << h_this->NumDirectMethods() << " entries):\n"; |
| 306 | for (size_t i = 0; i < h_this->NumDirectMethods(); ++i) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 307 | os << StringPrintf(" %2zd: %s\n", i, ArtMethod::PrettyMethod( |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 308 | h_this->GetDirectMethod(i, image_pointer_size)).c_str()); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 309 | } |
| 310 | if (h_this->NumStaticFields() > 0) { |
| 311 | os << " static fields (" << h_this->NumStaticFields() << " entries):\n"; |
Vladimir Marko | 72ab684 | 2017-01-20 19:32:50 +0000 | [diff] [blame] | 312 | if (h_this->IsResolved()) { |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 313 | for (size_t i = 0; i < h_this->NumStaticFields(); ++i) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 314 | os << StringPrintf(" %2zd: %s\n", i, |
| 315 | ArtField::PrettyField(h_this->GetStaticField(i)).c_str()); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 316 | } |
| 317 | } else { |
| 318 | os << " <not yet available>"; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 319 | } |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 320 | } |
| 321 | if (h_this->NumInstanceFields() > 0) { |
| 322 | os << " instance fields (" << h_this->NumInstanceFields() << " entries):\n"; |
Vladimir Marko | 72ab684 | 2017-01-20 19:32:50 +0000 | [diff] [blame] | 323 | if (h_this->IsResolved()) { |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 324 | for (size_t i = 0; i < h_this->NumInstanceFields(); ++i) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 325 | os << StringPrintf(" %2zd: %s\n", i, |
| 326 | ArtField::PrettyField(h_this->GetInstanceField(i)).c_str()); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 327 | } |
| 328 | } else { |
| 329 | os << " <not yet available>"; |
| 330 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 331 | } |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | void Class::SetReferenceInstanceOffsets(uint32_t new_reference_offsets) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 336 | if (kIsDebugBuild && new_reference_offsets != kClassWalkSuper) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 337 | // Sanity check that the number of bits set in the reference offset bitmap |
| 338 | // agrees with the number of references |
Ian Rogers | cdc1aaf | 2014-10-09 13:21:38 -0700 | [diff] [blame] | 339 | uint32_t count = 0; |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 340 | for (ObjPtr<Class> c = this; c != nullptr; c = c->GetSuperClass()) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 341 | count += c->NumReferenceInstanceFieldsDuringLinking(); |
| 342 | } |
Ian Rogers | cdc1aaf | 2014-10-09 13:21:38 -0700 | [diff] [blame] | 343 | // +1 for the Class in Object. |
| 344 | CHECK_EQ(static_cast<uint32_t>(POPCOUNT(new_reference_offsets)) + 1, count); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 345 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 346 | // Not called within a transaction. |
| 347 | SetField32<false>(OFFSET_OF_OBJECT_MEMBER(Class, reference_instance_offsets_), |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 348 | new_reference_offsets); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 349 | } |
| 350 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 351 | bool Class::IsInSamePackage(const StringPiece& descriptor1, const StringPiece& descriptor2) { |
| 352 | size_t i = 0; |
Ian Rogers | 6b604a1 | 2014-09-25 15:35:37 -0700 | [diff] [blame] | 353 | size_t min_length = std::min(descriptor1.size(), descriptor2.size()); |
| 354 | while (i < min_length && descriptor1[i] == descriptor2[i]) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 355 | ++i; |
| 356 | } |
| 357 | if (descriptor1.find('/', i) != StringPiece::npos || |
| 358 | descriptor2.find('/', i) != StringPiece::npos) { |
| 359 | return false; |
| 360 | } else { |
| 361 | return true; |
| 362 | } |
| 363 | } |
| 364 | |
Mathieu Chartier | 3398c78 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 365 | bool Class::IsInSamePackage(ObjPtr<Class> that) { |
| 366 | ObjPtr<Class> klass1 = this; |
| 367 | ObjPtr<Class> klass2 = that; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 368 | if (klass1 == klass2) { |
| 369 | return true; |
| 370 | } |
| 371 | // Class loaders must match. |
| 372 | if (klass1->GetClassLoader() != klass2->GetClassLoader()) { |
| 373 | return false; |
| 374 | } |
| 375 | // Arrays are in the same package when their element classes are. |
| 376 | while (klass1->IsArrayClass()) { |
| 377 | klass1 = klass1->GetComponentType(); |
| 378 | } |
| 379 | while (klass2->IsArrayClass()) { |
| 380 | klass2 = klass2->GetComponentType(); |
| 381 | } |
Anwar Ghuloum | 9fa3f20 | 2013-03-26 14:32:54 -0700 | [diff] [blame] | 382 | // trivial check again for array types |
| 383 | if (klass1 == klass2) { |
| 384 | return true; |
| 385 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 386 | // Compare the package part of the descriptor string. |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 387 | std::string temp1, temp2; |
| 388 | return IsInSamePackage(klass1->GetDescriptor(&temp1), klass2->GetDescriptor(&temp2)); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 389 | } |
| 390 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 391 | bool Class::IsThrowableClass() { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 392 | return WellKnownClasses::ToClass(WellKnownClasses::java_lang_Throwable)->IsAssignableFrom(this); |
| 393 | } |
| 394 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 395 | void Class::SetClassLoader(ObjPtr<ClassLoader> new_class_loader) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 396 | if (Runtime::Current()->IsActiveTransaction()) { |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 397 | SetFieldObject<true>(OFFSET_OF_OBJECT_MEMBER(Class, class_loader_), new_class_loader); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 398 | } else { |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 399 | SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(Class, class_loader_), new_class_loader); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 400 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 401 | } |
| 402 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 403 | ArtMethod* Class::FindInterfaceMethod(const StringPiece& name, |
| 404 | const StringPiece& signature, |
| 405 | PointerSize pointer_size) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 406 | // Check the current class before checking the interfaces. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 407 | ArtMethod* method = FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 408 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 409 | return method; |
| 410 | } |
| 411 | |
| 412 | int32_t iftable_count = GetIfTableCount(); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 413 | ObjPtr<IfTable> iftable = GetIfTable(); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 414 | for (int32_t i = 0; i < iftable_count; ++i) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 415 | method = iftable->GetInterface(i)->FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 416 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 417 | return method; |
| 418 | } |
| 419 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 420 | return nullptr; |
| 421 | } |
| 422 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 423 | ArtMethod* Class::FindInterfaceMethod(const StringPiece& name, |
| 424 | const Signature& signature, |
| 425 | PointerSize pointer_size) { |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 426 | // Check the current class before checking the interfaces. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 427 | ArtMethod* method = FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 428 | if (method != nullptr) { |
| 429 | return method; |
| 430 | } |
| 431 | |
| 432 | int32_t iftable_count = GetIfTableCount(); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 433 | ObjPtr<IfTable> iftable = GetIfTable(); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 434 | for (int32_t i = 0; i < iftable_count; ++i) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 435 | method = iftable->GetInterface(i)->FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 436 | if (method != nullptr) { |
| 437 | return method; |
| 438 | } |
| 439 | } |
| 440 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 441 | } |
| 442 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 443 | ArtMethod* Class::FindInterfaceMethod(ObjPtr<DexCache> dex_cache, |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 444 | uint32_t dex_method_idx, |
| 445 | PointerSize pointer_size) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 446 | // Check the current class before checking the interfaces. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 447 | ArtMethod* method = FindDeclaredVirtualMethod(dex_cache, dex_method_idx, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 448 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 449 | return method; |
| 450 | } |
| 451 | |
| 452 | int32_t iftable_count = GetIfTableCount(); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 453 | ObjPtr<IfTable> iftable = GetIfTable(); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 454 | for (int32_t i = 0; i < iftable_count; ++i) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 455 | method = iftable->GetInterface(i)->FindDeclaredVirtualMethod( |
| 456 | dex_cache, dex_method_idx, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 457 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 458 | return method; |
| 459 | } |
| 460 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 461 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 462 | } |
| 463 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 464 | ArtMethod* Class::FindDeclaredDirectMethod(const StringPiece& name, |
| 465 | const StringPiece& signature, |
| 466 | PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 467 | for (auto& method : GetDirectMethods(pointer_size)) { |
| 468 | if (name == method.GetName() && method.GetSignature() == signature) { |
| 469 | return &method; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 470 | } |
| 471 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 472 | return nullptr; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 473 | } |
| 474 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 475 | ArtMethod* Class::FindDeclaredDirectMethod(const StringPiece& name, |
| 476 | const Signature& signature, |
| 477 | PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 478 | for (auto& method : GetDirectMethods(pointer_size)) { |
| 479 | if (name == method.GetName() && signature == method.GetSignature()) { |
| 480 | return &method; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 481 | } |
| 482 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 483 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 484 | } |
| 485 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 486 | ArtMethod* Class::FindDeclaredDirectMethod(ObjPtr<DexCache> dex_cache, |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 487 | uint32_t dex_method_idx, |
| 488 | PointerSize pointer_size) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 489 | if (GetDexCache() == dex_cache) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 490 | for (auto& method : GetDirectMethods(pointer_size)) { |
| 491 | if (method.GetDexMethodIndex() == dex_method_idx) { |
| 492 | return &method; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 493 | } |
| 494 | } |
| 495 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 496 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 497 | } |
| 498 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 499 | ArtMethod* Class::FindDirectMethod(const StringPiece& name, |
| 500 | const StringPiece& signature, |
| 501 | PointerSize pointer_size) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 502 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 503 | ArtMethod* method = klass->FindDeclaredDirectMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 504 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 505 | return method; |
| 506 | } |
| 507 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 508 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 509 | } |
| 510 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 511 | ArtMethod* Class::FindDirectMethod(const StringPiece& name, |
| 512 | const Signature& signature, |
| 513 | PointerSize pointer_size) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 514 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 515 | ArtMethod* method = klass->FindDeclaredDirectMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 516 | if (method != nullptr) { |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 517 | return method; |
| 518 | } |
| 519 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 520 | return nullptr; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 521 | } |
| 522 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 523 | ArtMethod* Class::FindDirectMethod(ObjPtr<DexCache> dex_cache, |
| 524 | uint32_t dex_method_idx, |
| 525 | PointerSize pointer_size) { |
| 526 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 527 | ArtMethod* method = klass->FindDeclaredDirectMethod(dex_cache, dex_method_idx, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 528 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 529 | return method; |
| 530 | } |
| 531 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 532 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 533 | } |
| 534 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 535 | ArtMethod* Class::FindDeclaredDirectMethodByName(const StringPiece& name, |
| 536 | PointerSize pointer_size) { |
Nicolas Geoffray | a42363f | 2015-12-17 14:57:09 +0000 | [diff] [blame] | 537 | for (auto& method : GetDirectMethods(pointer_size)) { |
| 538 | ArtMethod* const np_method = method.GetInterfaceMethodIfProxy(pointer_size); |
| 539 | if (name == np_method->GetName()) { |
| 540 | return &method; |
| 541 | } |
| 542 | } |
| 543 | return nullptr; |
| 544 | } |
| 545 | |
Alex Light | e64300b | 2015-12-15 15:02:47 -0800 | [diff] [blame] | 546 | // TODO These should maybe be changed to be named FindOwnedVirtualMethod or something similar |
| 547 | // because they do not only find 'declared' methods and will return copied methods. This behavior is |
| 548 | // desired and correct but the naming can lead to confusion because in the java language declared |
| 549 | // excludes interface methods which might be found by this. |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 550 | ArtMethod* Class::FindDeclaredVirtualMethod(const StringPiece& name, |
| 551 | const StringPiece& signature, |
| 552 | PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 553 | for (auto& method : GetVirtualMethods(pointer_size)) { |
Mathieu Chartier | 72156e2 | 2015-07-10 18:26:41 -0700 | [diff] [blame] | 554 | ArtMethod* const np_method = method.GetInterfaceMethodIfProxy(pointer_size); |
| 555 | if (name == np_method->GetName() && np_method->GetSignature() == signature) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 556 | return &method; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 557 | } |
| 558 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 559 | return nullptr; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 560 | } |
| 561 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 562 | ArtMethod* Class::FindDeclaredVirtualMethod(const StringPiece& name, |
| 563 | const Signature& signature, |
| 564 | PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 565 | for (auto& method : GetVirtualMethods(pointer_size)) { |
Mathieu Chartier | 72156e2 | 2015-07-10 18:26:41 -0700 | [diff] [blame] | 566 | ArtMethod* const np_method = method.GetInterfaceMethodIfProxy(pointer_size); |
| 567 | if (name == np_method->GetName() && signature == np_method->GetSignature()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 568 | return &method; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 569 | } |
| 570 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 571 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 572 | } |
| 573 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 574 | ArtMethod* Class::FindDeclaredVirtualMethod(ObjPtr<DexCache> dex_cache, |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 575 | uint32_t dex_method_idx, |
| 576 | PointerSize pointer_size) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 577 | if (GetDexCache() == dex_cache) { |
Alex Light | e64300b | 2015-12-15 15:02:47 -0800 | [diff] [blame] | 578 | for (auto& method : GetDeclaredVirtualMethods(pointer_size)) { |
| 579 | if (method.GetDexMethodIndex() == dex_method_idx) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 580 | return &method; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 581 | } |
| 582 | } |
| 583 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 584 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 585 | } |
| 586 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 587 | ArtMethod* Class::FindDeclaredVirtualMethodByName(const StringPiece& name, |
| 588 | PointerSize pointer_size) { |
Jeff Hao | 13e748b | 2015-08-25 20:44:19 +0000 | [diff] [blame] | 589 | for (auto& method : GetVirtualMethods(pointer_size)) { |
| 590 | ArtMethod* const np_method = method.GetInterfaceMethodIfProxy(pointer_size); |
| 591 | if (name == np_method->GetName()) { |
| 592 | return &method; |
| 593 | } |
| 594 | } |
| 595 | return nullptr; |
| 596 | } |
| 597 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 598 | ArtMethod* Class::FindVirtualMethod(const StringPiece& name, |
| 599 | const StringPiece& signature, |
| 600 | PointerSize pointer_size) { |
| 601 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 602 | ArtMethod* method = klass->FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 603 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 604 | return method; |
| 605 | } |
| 606 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 607 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 608 | } |
| 609 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 610 | ArtMethod* Class::FindVirtualMethod(const StringPiece& name, |
| 611 | const Signature& signature, |
| 612 | PointerSize pointer_size) { |
| 613 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 614 | ArtMethod* method = klass->FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 615 | if (method != nullptr) { |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 616 | return method; |
| 617 | } |
| 618 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 619 | return nullptr; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 620 | } |
| 621 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 622 | ArtMethod* Class::FindVirtualMethod(ObjPtr<DexCache> dex_cache, |
| 623 | uint32_t dex_method_idx, |
| 624 | PointerSize pointer_size) { |
| 625 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 626 | ArtMethod* method = klass->FindDeclaredVirtualMethod(dex_cache, dex_method_idx, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 627 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 628 | return method; |
| 629 | } |
| 630 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 631 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 632 | } |
| 633 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 634 | ArtMethod* Class::FindVirtualMethodForInterfaceSuper(ArtMethod* method, PointerSize pointer_size) { |
Alex Light | 705ad49 | 2015-09-21 11:36:30 -0700 | [diff] [blame] | 635 | DCHECK(method->GetDeclaringClass()->IsInterface()); |
| 636 | DCHECK(IsInterface()) << "Should only be called on a interface class"; |
| 637 | // Check if we have one defined on this interface first. This includes searching copied ones to |
| 638 | // get any conflict methods. Conflict methods are copied into each subtype from the supertype. We |
| 639 | // don't do any indirect method checks here. |
| 640 | for (ArtMethod& iface_method : GetVirtualMethods(pointer_size)) { |
| 641 | if (method->HasSameNameAndSignature(&iface_method)) { |
| 642 | return &iface_method; |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | std::vector<ArtMethod*> abstract_methods; |
| 647 | // Search through the IFTable for a working version. We don't need to check for conflicts |
| 648 | // because if there was one it would appear in this classes virtual_methods_ above. |
| 649 | |
| 650 | Thread* self = Thread::Current(); |
| 651 | StackHandleScope<2> hs(self); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 652 | MutableHandle<IfTable> iftable(hs.NewHandle(GetIfTable())); |
| 653 | MutableHandle<Class> iface(hs.NewHandle<Class>(nullptr)); |
Alex Light | 705ad49 | 2015-09-21 11:36:30 -0700 | [diff] [blame] | 654 | size_t iftable_count = GetIfTableCount(); |
| 655 | // Find the method. We don't need to check for conflicts because they would have been in the |
| 656 | // copied virtuals of this interface. Order matters, traverse in reverse topological order; most |
| 657 | // subtypiest interfaces get visited first. |
| 658 | for (size_t k = iftable_count; k != 0;) { |
| 659 | k--; |
| 660 | DCHECK_LT(k, iftable->Count()); |
| 661 | iface.Assign(iftable->GetInterface(k)); |
| 662 | // Iterate through every declared method on this interface. Each direct method's name/signature |
| 663 | // is unique so the order of the inner loop doesn't matter. |
| 664 | for (auto& method_iter : iface->GetDeclaredVirtualMethods(pointer_size)) { |
| 665 | ArtMethod* current_method = &method_iter; |
| 666 | if (current_method->HasSameNameAndSignature(method)) { |
| 667 | if (current_method->IsDefault()) { |
| 668 | // Handle JLS soft errors, a default method from another superinterface tree can |
| 669 | // "override" an abstract method(s) from another superinterface tree(s). To do this, |
| 670 | // ignore any [default] method which are dominated by the abstract methods we've seen so |
| 671 | // far. Check if overridden by any in abstract_methods. We do not need to check for |
| 672 | // default_conflicts because we would hit those before we get to this loop. |
| 673 | bool overridden = false; |
| 674 | for (ArtMethod* possible_override : abstract_methods) { |
| 675 | DCHECK(possible_override->HasSameNameAndSignature(current_method)); |
| 676 | if (iface->IsAssignableFrom(possible_override->GetDeclaringClass())) { |
| 677 | overridden = true; |
| 678 | break; |
| 679 | } |
| 680 | } |
| 681 | if (!overridden) { |
| 682 | return current_method; |
| 683 | } |
| 684 | } else { |
| 685 | // Is not default. |
| 686 | // This might override another default method. Just stash it for now. |
| 687 | abstract_methods.push_back(current_method); |
| 688 | } |
| 689 | } |
| 690 | } |
| 691 | } |
| 692 | // If we reach here we either never found any declaration of the method (in which case |
| 693 | // 'abstract_methods' is empty or we found no non-overriden default methods in which case |
| 694 | // 'abstract_methods' contains a number of abstract implementations of the methods. We choose one |
| 695 | // of these arbitrarily. |
| 696 | return abstract_methods.empty() ? nullptr : abstract_methods[0]; |
| 697 | } |
| 698 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 699 | ArtMethod* Class::FindClassInitializer(PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 700 | for (ArtMethod& method : GetDirectMethods(pointer_size)) { |
| 701 | if (method.IsClassInitializer()) { |
| 702 | DCHECK_STREQ(method.GetName(), "<clinit>"); |
| 703 | DCHECK_STREQ(method.GetSignature().ToString().c_str(), "()V"); |
| 704 | return &method; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 705 | } |
| 706 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 707 | return nullptr; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 708 | } |
| 709 | |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 710 | // Custom binary search to avoid double comparisons from std::binary_search. |
| 711 | static ArtField* FindFieldByNameAndType(LengthPrefixedArray<ArtField>* fields, |
| 712 | const StringPiece& name, |
| 713 | const StringPiece& type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 714 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 715 | if (fields == nullptr) { |
| 716 | return nullptr; |
| 717 | } |
| 718 | size_t low = 0; |
Vladimir Marko | 35831e8 | 2015-09-11 11:59:18 +0100 | [diff] [blame] | 719 | size_t high = fields->size(); |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 720 | ArtField* ret = nullptr; |
| 721 | while (low < high) { |
| 722 | size_t mid = (low + high) / 2; |
| 723 | ArtField& field = fields->At(mid); |
| 724 | // Fields are sorted by class, then name, then type descriptor. This is verified in dex file |
| 725 | // verifier. There can be multiple fields with the same in the same class name due to proguard. |
| 726 | int result = StringPiece(field.GetName()).Compare(name); |
| 727 | if (result == 0) { |
| 728 | result = StringPiece(field.GetTypeDescriptor()).Compare(type); |
| 729 | } |
| 730 | if (result < 0) { |
| 731 | low = mid + 1; |
| 732 | } else if (result > 0) { |
| 733 | high = mid; |
| 734 | } else { |
| 735 | ret = &field; |
| 736 | break; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 737 | } |
| 738 | } |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 739 | if (kIsDebugBuild) { |
| 740 | ArtField* found = nullptr; |
| 741 | for (ArtField& field : MakeIterationRangeFromLengthPrefixedArray(fields)) { |
| 742 | if (name == field.GetName() && type == field.GetTypeDescriptor()) { |
| 743 | found = &field; |
| 744 | break; |
| 745 | } |
| 746 | } |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 747 | CHECK_EQ(found, ret) << "Found " << found->PrettyField() << " vs " << ret->PrettyField(); |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 748 | } |
| 749 | return ret; |
| 750 | } |
| 751 | |
| 752 | ArtField* Class::FindDeclaredInstanceField(const StringPiece& name, const StringPiece& type) { |
| 753 | // Binary search by name. Interfaces are not relevant because they can't contain instance fields. |
| 754 | return FindFieldByNameAndType(GetIFieldsPtr(), name, type); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 755 | } |
| 756 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 757 | ArtField* Class::FindDeclaredInstanceField(ObjPtr<DexCache> dex_cache, uint32_t dex_field_idx) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 758 | if (GetDexCache() == dex_cache) { |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 759 | for (ArtField& field : GetIFields()) { |
| 760 | if (field.GetDexFieldIndex() == dex_field_idx) { |
| 761 | return &field; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 762 | } |
| 763 | } |
| 764 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 765 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 766 | } |
| 767 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 768 | ArtField* Class::FindInstanceField(const StringPiece& name, const StringPiece& type) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 769 | // Is the field in this class, or any of its superclasses? |
| 770 | // Interfaces are not relevant because they can't contain instance fields. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 771 | for (ObjPtr<Class> c = this; c != nullptr; c = c->GetSuperClass()) { |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 772 | ArtField* f = c->FindDeclaredInstanceField(name, type); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 773 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 774 | return f; |
| 775 | } |
| 776 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 777 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 778 | } |
| 779 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 780 | ArtField* Class::FindInstanceField(ObjPtr<DexCache> dex_cache, uint32_t dex_field_idx) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 781 | // Is the field in this class, or any of its superclasses? |
| 782 | // Interfaces are not relevant because they can't contain instance fields. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 783 | for (ObjPtr<Class> c = this; c != nullptr; c = c->GetSuperClass()) { |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 784 | ArtField* f = c->FindDeclaredInstanceField(dex_cache, dex_field_idx); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 785 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 786 | return f; |
| 787 | } |
| 788 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 789 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 790 | } |
| 791 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 792 | ArtField* Class::FindDeclaredStaticField(const StringPiece& name, const StringPiece& type) { |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 793 | DCHECK(type != nullptr); |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 794 | return FindFieldByNameAndType(GetSFieldsPtr(), name, type); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 795 | } |
| 796 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 797 | ArtField* Class::FindDeclaredStaticField(ObjPtr<DexCache> dex_cache, uint32_t dex_field_idx) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 798 | if (dex_cache == GetDexCache()) { |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 799 | for (ArtField& field : GetSFields()) { |
| 800 | if (field.GetDexFieldIndex() == dex_field_idx) { |
| 801 | return &field; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 802 | } |
| 803 | } |
| 804 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 805 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 806 | } |
| 807 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 808 | ArtField* Class::FindStaticField(Thread* self, |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 809 | ObjPtr<Class> klass, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 810 | const StringPiece& name, |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 811 | const StringPiece& type) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 812 | // Is the field in this class (or its interfaces), or any of its |
| 813 | // superclasses (or their interfaces)? |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 814 | for (ObjPtr<Class> k = klass; k != nullptr; k = k->GetSuperClass()) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 815 | // Is the field in this class? |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 816 | ArtField* f = k->FindDeclaredStaticField(name, type); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 817 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 818 | return f; |
| 819 | } |
| 820 | // Is this field in any of this class' interfaces? |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 821 | for (uint32_t i = 0, num_interfaces = k->NumDirectInterfaces(); i != num_interfaces; ++i) { |
| 822 | ObjPtr<Class> interface = GetDirectInterface(self, k, i); |
| 823 | DCHECK(interface != nullptr); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 824 | f = FindStaticField(self, interface, name, type); |
| 825 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 826 | return f; |
| 827 | } |
| 828 | } |
| 829 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 830 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 831 | } |
| 832 | |
Vladimir Marko | bb268b1 | 2016-06-30 15:52:56 +0100 | [diff] [blame] | 833 | ArtField* Class::FindStaticField(Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 834 | ObjPtr<Class> klass, |
| 835 | ObjPtr<DexCache> dex_cache, |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 836 | uint32_t dex_field_idx) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 837 | for (ObjPtr<Class> k = klass; k != nullptr; k = k->GetSuperClass()) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 838 | // Is the field in this class? |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 839 | ArtField* f = k->FindDeclaredStaticField(dex_cache, dex_field_idx); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 840 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 841 | return f; |
| 842 | } |
Vladimir Marko | bb268b1 | 2016-06-30 15:52:56 +0100 | [diff] [blame] | 843 | // Though GetDirectInterface() should not cause thread suspension when called |
| 844 | // from here, it takes a Handle as an argument, so we need to wrap `k`. |
Mathieu Chartier | 268764d | 2016-09-13 12:09:38 -0700 | [diff] [blame] | 845 | ScopedAssertNoThreadSuspension ants(__FUNCTION__); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 846 | // Is this field in any of this class' interfaces? |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 847 | for (uint32_t i = 0, num_interfaces = k->NumDirectInterfaces(); i != num_interfaces; ++i) { |
| 848 | ObjPtr<Class> interface = GetDirectInterface(self, k, i); |
| 849 | DCHECK(interface != nullptr); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 850 | f = FindStaticField(self, interface, dex_cache, dex_field_idx); |
| 851 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 852 | return f; |
| 853 | } |
| 854 | } |
| 855 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 856 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 857 | } |
| 858 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 859 | ArtField* Class::FindField(Thread* self, |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 860 | ObjPtr<Class> klass, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 861 | const StringPiece& name, |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 862 | const StringPiece& type) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 863 | // Find a field using the JLS field resolution order |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 864 | for (ObjPtr<Class> k = klass; k != nullptr; k = k->GetSuperClass()) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 865 | // Is the field in this class? |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 866 | ArtField* f = k->FindDeclaredInstanceField(name, type); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 867 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 868 | return f; |
| 869 | } |
| 870 | f = k->FindDeclaredStaticField(name, type); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 871 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 872 | return f; |
| 873 | } |
| 874 | // Is this field in any of this class' interfaces? |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 875 | for (uint32_t i = 0, num_interfaces = k->NumDirectInterfaces(); i != num_interfaces; ++i) { |
| 876 | ObjPtr<Class> interface = GetDirectInterface(self, k, i); |
| 877 | DCHECK(interface != nullptr); |
| 878 | f = FindStaticField(self, interface, name, type); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 879 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 880 | return f; |
| 881 | } |
| 882 | } |
| 883 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 884 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 885 | } |
| 886 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 887 | void Class::SetSkipAccessChecksFlagOnAllMethods(PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 888 | DCHECK(IsVerified()); |
Alex Light | e64300b | 2015-12-15 15:02:47 -0800 | [diff] [blame] | 889 | for (auto& m : GetMethods(pointer_size)) { |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 890 | if (!m.IsNative() && m.IsInvokable()) { |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 891 | m.SetSkipAccessChecks(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 892 | } |
| 893 | } |
Sebastien Hertz | 233ea8e | 2013-06-06 11:57:09 +0200 | [diff] [blame] | 894 | } |
| 895 | |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 896 | const char* Class::GetDescriptor(std::string* storage) { |
| 897 | if (IsPrimitive()) { |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 898 | return Primitive::Descriptor(GetPrimitiveType()); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 899 | } else if (IsArrayClass()) { |
| 900 | return GetArrayDescriptor(storage); |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 901 | } else if (IsProxyClass()) { |
| 902 | *storage = Runtime::Current()->GetClassLinker()->GetDescriptorForProxy(this); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 903 | return storage->c_str(); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 904 | } else { |
| 905 | const DexFile& dex_file = GetDexFile(); |
| 906 | const DexFile::TypeId& type_id = dex_file.GetTypeId(GetClassDef()->class_idx_); |
| 907 | return dex_file.GetTypeDescriptor(type_id); |
| 908 | } |
| 909 | } |
| 910 | |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 911 | const char* Class::GetArrayDescriptor(std::string* storage) { |
| 912 | std::string temp; |
| 913 | const char* elem_desc = GetComponentType()->GetDescriptor(&temp); |
| 914 | *storage = "["; |
| 915 | *storage += elem_desc; |
| 916 | return storage->c_str(); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | const DexFile::ClassDef* Class::GetClassDef() { |
| 920 | uint16_t class_def_idx = GetDexClassDefIndex(); |
| 921 | if (class_def_idx == DexFile::kDexNoIndex16) { |
| 922 | return nullptr; |
| 923 | } |
| 924 | return &GetDexFile().GetClassDef(class_def_idx); |
| 925 | } |
| 926 | |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 927 | dex::TypeIndex Class::GetDirectInterfaceTypeIdx(uint32_t idx) { |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 928 | DCHECK(!IsPrimitive()); |
| 929 | DCHECK(!IsArrayClass()); |
| 930 | return GetInterfaceTypeList()->GetTypeItem(idx).type_idx_; |
| 931 | } |
| 932 | |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 933 | ObjPtr<Class> Class::GetDirectInterface(Thread* self, ObjPtr<Class> klass, uint32_t idx) { |
| 934 | DCHECK(klass != nullptr); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 935 | DCHECK(!klass->IsPrimitive()); |
| 936 | if (klass->IsArrayClass()) { |
| 937 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 938 | // Use ClassLinker::LookupClass(); avoid poisoning ObjPtr<>s by ClassLinker::FindSystemClass(). |
| 939 | ObjPtr<Class> interface; |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 940 | if (idx == 0) { |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 941 | interface = class_linker->LookupClass(self, "Ljava/lang/Cloneable;", nullptr); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 942 | } else { |
| 943 | DCHECK_EQ(1U, idx); |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 944 | interface = class_linker->LookupClass(self, "Ljava/io/Serializable;", nullptr); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 945 | } |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 946 | DCHECK(interface != nullptr); |
| 947 | return interface; |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 948 | } else if (klass->IsProxyClass()) { |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 949 | ObjPtr<ObjectArray<Class>> interfaces = klass->GetInterfaces(); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 950 | DCHECK(interfaces != nullptr); |
| 951 | return interfaces->Get(idx); |
| 952 | } else { |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 953 | dex::TypeIndex type_idx = klass->GetDirectInterfaceTypeIdx(idx); |
Mathieu Chartier | 5812e20 | 2017-02-13 18:32:04 -0800 | [diff] [blame] | 954 | ObjPtr<Class> interface = klass->GetDexCache()->GetResolvedType(type_idx); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 955 | return interface; |
| 956 | } |
| 957 | } |
| 958 | |
Vladimir Marko | 19a4d37 | 2016-12-08 14:41:46 +0000 | [diff] [blame] | 959 | ObjPtr<Class> Class::ResolveDirectInterface(Thread* self, Handle<Class> klass, uint32_t idx) { |
| 960 | ObjPtr<Class> interface = GetDirectInterface(self, klass.Get(), idx); |
| 961 | if (interface == nullptr) { |
| 962 | DCHECK(!klass->IsArrayClass()); |
| 963 | DCHECK(!klass->IsProxyClass()); |
| 964 | dex::TypeIndex type_idx = klass->GetDirectInterfaceTypeIdx(idx); |
| 965 | interface = Runtime::Current()->GetClassLinker()->ResolveType(klass->GetDexFile(), |
| 966 | type_idx, |
| 967 | klass.Get()); |
| 968 | CHECK(interface != nullptr || self->IsExceptionPending()); |
| 969 | } |
| 970 | return interface; |
| 971 | } |
| 972 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 973 | ObjPtr<Class> Class::GetCommonSuperClass(Handle<Class> klass) { |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame^] | 974 | DCHECK(klass != nullptr); |
Calin Juravle | 52503d8 | 2015-11-11 16:58:31 +0000 | [diff] [blame] | 975 | DCHECK(!klass->IsInterface()); |
| 976 | DCHECK(!IsInterface()); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 977 | ObjPtr<Class> common_super_class = this; |
Calin Juravle | 52503d8 | 2015-11-11 16:58:31 +0000 | [diff] [blame] | 978 | while (!common_super_class->IsAssignableFrom(klass.Get())) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 979 | ObjPtr<Class> old_common = common_super_class; |
Aart Bik | 22deed0 | 2016-04-04 14:19:01 -0700 | [diff] [blame] | 980 | common_super_class = old_common->GetSuperClass(); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 981 | DCHECK(common_super_class != nullptr) << old_common->PrettyClass(); |
Calin Juravle | 52503d8 | 2015-11-11 16:58:31 +0000 | [diff] [blame] | 982 | } |
Calin Juravle | 52503d8 | 2015-11-11 16:58:31 +0000 | [diff] [blame] | 983 | return common_super_class; |
| 984 | } |
| 985 | |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 986 | const char* Class::GetSourceFile() { |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 987 | const DexFile& dex_file = GetDexFile(); |
| 988 | const DexFile::ClassDef* dex_class_def = GetClassDef(); |
Sebastien Hertz | 4206eb5 | 2014-06-05 10:15:45 +0200 | [diff] [blame] | 989 | if (dex_class_def == nullptr) { |
| 990 | // Generated classes have no class def. |
| 991 | return nullptr; |
| 992 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 993 | return dex_file.GetSourceFile(*dex_class_def); |
| 994 | } |
| 995 | |
| 996 | std::string Class::GetLocation() { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 997 | ObjPtr<DexCache> dex_cache = GetDexCache(); |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 998 | if (dex_cache != nullptr && !IsProxyClass()) { |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 999 | return dex_cache->GetLocation()->ToModifiedUtf8(); |
| 1000 | } |
| 1001 | // Arrays and proxies are generated and have no corresponding dex file location. |
| 1002 | return "generated class"; |
| 1003 | } |
| 1004 | |
| 1005 | const DexFile::TypeList* Class::GetInterfaceTypeList() { |
| 1006 | const DexFile::ClassDef* class_def = GetClassDef(); |
| 1007 | if (class_def == nullptr) { |
| 1008 | return nullptr; |
| 1009 | } |
| 1010 | return GetDexFile().GetInterfacesList(*class_def); |
| 1011 | } |
| 1012 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1013 | void Class::PopulateEmbeddedVTable(PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1014 | PointerArray* table = GetVTableDuringLinking(); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 1015 | CHECK(table != nullptr) << PrettyClass(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1016 | const size_t table_length = table->GetLength(); |
| 1017 | SetEmbeddedVTableLength(table_length); |
| 1018 | for (size_t i = 0; i < table_length; i++) { |
| 1019 | SetEmbeddedVTableEntry(i, table->GetElementPtrSize<ArtMethod*>(i, pointer_size), pointer_size); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1020 | } |
Mingyao Yang | 2cdbad7 | 2014-07-16 10:44:41 -0700 | [diff] [blame] | 1021 | // Keep java.lang.Object class's vtable around for since it's easier |
| 1022 | // to be reused by array classes during their linking. |
| 1023 | if (!IsObjectClass()) { |
| 1024 | SetVTable(nullptr); |
| 1025 | } |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1026 | } |
| 1027 | |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1028 | class ReadBarrierOnNativeRootsVisitor { |
| 1029 | public: |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1030 | void operator()(ObjPtr<Object> obj ATTRIBUTE_UNUSED, |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1031 | MemberOffset offset ATTRIBUTE_UNUSED, |
| 1032 | bool is_static ATTRIBUTE_UNUSED) const {} |
| 1033 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1034 | void VisitRootIfNonNull(CompressedReference<Object>* root) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1035 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1036 | if (!root->IsNull()) { |
| 1037 | VisitRoot(root); |
| 1038 | } |
| 1039 | } |
| 1040 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1041 | void VisitRoot(CompressedReference<Object>* root) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1042 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1043 | ObjPtr<Object> old_ref = root->AsMirrorPtr(); |
| 1044 | ObjPtr<Object> new_ref = ReadBarrier::BarrierForRoot(root); |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1045 | if (old_ref != new_ref) { |
| 1046 | // Update the field atomically. This may fail if mutator updates before us, but it's ok. |
| 1047 | auto* atomic_root = |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1048 | reinterpret_cast<Atomic<CompressedReference<Object>>*>(root); |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1049 | atomic_root->CompareExchangeStrongSequentiallyConsistent( |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1050 | CompressedReference<Object>::FromMirrorPtr(old_ref.Ptr()), |
| 1051 | CompressedReference<Object>::FromMirrorPtr(new_ref.Ptr())); |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1052 | } |
| 1053 | } |
| 1054 | }; |
| 1055 | |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1056 | // The pre-fence visitor for Class::CopyOf(). |
| 1057 | class CopyClassVisitor { |
| 1058 | public: |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1059 | CopyClassVisitor(Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1060 | Handle<Class>* orig, |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1061 | size_t new_length, |
| 1062 | size_t copy_bytes, |
| 1063 | ImTable* imt, |
| 1064 | PointerSize pointer_size) |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1065 | : self_(self), orig_(orig), new_length_(new_length), |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1066 | copy_bytes_(copy_bytes), imt_(imt), pointer_size_(pointer_size) { |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1067 | } |
| 1068 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1069 | void operator()(ObjPtr<Object> obj, size_t usable_size ATTRIBUTE_UNUSED) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1070 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 1071 | StackHandleScope<1> hs(self_); |
| 1072 | Handle<mirror::Class> h_new_class_obj(hs.NewHandle(obj->AsClass())); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1073 | Object::CopyObject(h_new_class_obj.Get(), orig_->Get(), copy_bytes_); |
| 1074 | Class::SetStatus(h_new_class_obj, Class::kStatusResolving, self_); |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1075 | h_new_class_obj->PopulateEmbeddedVTable(pointer_size_); |
| 1076 | h_new_class_obj->SetImt(imt_, pointer_size_); |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 1077 | h_new_class_obj->SetClassSize(new_length_); |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1078 | // Visit all of the references to make sure there is no from space references in the native |
| 1079 | // roots. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1080 | ObjPtr<Object>(h_new_class_obj.Get())->VisitReferences( |
Mathieu Chartier | 059ef3d | 2015-08-18 13:54:21 -0700 | [diff] [blame] | 1081 | ReadBarrierOnNativeRootsVisitor(), VoidFunctor()); |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1082 | } |
| 1083 | |
| 1084 | private: |
| 1085 | Thread* const self_; |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1086 | Handle<Class>* const orig_; |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1087 | const size_t new_length_; |
| 1088 | const size_t copy_bytes_; |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1089 | ImTable* imt_; |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1090 | const PointerSize pointer_size_; |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1091 | DISALLOW_COPY_AND_ASSIGN(CopyClassVisitor); |
| 1092 | }; |
| 1093 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1094 | Class* Class::CopyOf(Thread* self, int32_t new_length, ImTable* imt, PointerSize pointer_size) { |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1095 | DCHECK_GE(new_length, static_cast<int32_t>(sizeof(Class))); |
| 1096 | // We may get copied by a compacting GC. |
| 1097 | StackHandleScope<1> hs(self); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1098 | Handle<Class> h_this(hs.NewHandle(this)); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1099 | gc::Heap* heap = Runtime::Current()->GetHeap(); |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1100 | // The num_bytes (3rd param) is sizeof(Class) as opposed to SizeOf() |
| 1101 | // to skip copying the tail part that we will overwrite here. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1102 | CopyClassVisitor visitor(self, &h_this, new_length, sizeof(Class), imt, pointer_size); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1103 | ObjPtr<Object> new_class = kMovingClasses ? |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1104 | heap->AllocObject<true>(self, java_lang_Class_.Read(), new_length, visitor) : |
| 1105 | heap->AllocNonMovableObject<true>(self, java_lang_Class_.Read(), new_length, visitor); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1106 | if (UNLIKELY(new_class == nullptr)) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1107 | self->AssertPendingOOMException(); |
Mathieu Chartier | 2d2621a | 2014-10-23 16:48:06 -0700 | [diff] [blame] | 1108 | return nullptr; |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1109 | } |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1110 | return new_class->AsClass(); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1111 | } |
| 1112 | |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 1113 | bool Class::ProxyDescriptorEquals(const char* match) { |
| 1114 | DCHECK(IsProxyClass()); |
| 1115 | return Runtime::Current()->GetClassLinker()->GetDescriptorForProxy(this) == match; |
Vladimir Marko | 3481ba2 | 2015-04-13 12:22:36 +0100 | [diff] [blame] | 1116 | } |
| 1117 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1118 | // TODO: Move this to java_lang_Class.cc? |
| 1119 | ArtMethod* Class::GetDeclaredConstructor( |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1120 | Thread* self, Handle<ObjectArray<Class>> args, PointerSize pointer_size) { |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1121 | for (auto& m : GetDirectMethods(pointer_size)) { |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 1122 | // Skip <clinit> which is a static constructor, as well as non constructors. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1123 | if (m.IsStatic() || !m.IsConstructor()) { |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 1124 | continue; |
| 1125 | } |
| 1126 | // May cause thread suspension and exceptions. |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1127 | if (m.GetInterfaceMethodIfProxy(kRuntimePointerSize)->EqualParameters(args)) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1128 | return &m; |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 1129 | } |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1130 | if (UNLIKELY(self->IsExceptionPending())) { |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 1131 | return nullptr; |
| 1132 | } |
| 1133 | } |
| 1134 | return nullptr; |
| 1135 | } |
| 1136 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1137 | uint32_t Class::Depth() { |
| 1138 | uint32_t depth = 0; |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1139 | for (ObjPtr<Class> klass = this; klass->GetSuperClass() != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1140 | depth++; |
| 1141 | } |
| 1142 | return depth; |
| 1143 | } |
| 1144 | |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 1145 | dex::TypeIndex Class::FindTypeIndexInOtherDexFile(const DexFile& dex_file) { |
Nicolas Geoffray | e4084a5 | 2016-02-18 14:43:42 +0000 | [diff] [blame] | 1146 | std::string temp; |
| 1147 | const DexFile::TypeId* type_id = dex_file.FindTypeId(GetDescriptor(&temp)); |
Andreas Gampe | a5b09a6 | 2016-11-17 15:21:22 -0800 | [diff] [blame] | 1148 | return (type_id == nullptr) |
| 1149 | ? dex::TypeIndex(DexFile::kDexNoIndex) |
| 1150 | : dex_file.GetIndexForTypeId(*type_id); |
Nicolas Geoffray | e4084a5 | 2016-02-18 14:43:42 +0000 | [diff] [blame] | 1151 | } |
| 1152 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1153 | template <PointerSize kPointerSize, bool kTransactionActive> |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1154 | ObjPtr<Method> Class::GetDeclaredMethodInternal( |
| 1155 | Thread* self, |
| 1156 | ObjPtr<Class> klass, |
| 1157 | ObjPtr<String> name, |
| 1158 | ObjPtr<ObjectArray<Class>> args) { |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1159 | // Covariant return types permit the class to define multiple |
| 1160 | // methods with the same name and parameter types. Prefer to |
| 1161 | // return a non-synthetic method in such situations. We may |
| 1162 | // still return a synthetic method to handle situations like |
| 1163 | // escalated visibility. We never return miranda methods that |
| 1164 | // were synthesized by the runtime. |
| 1165 | constexpr uint32_t kSkipModifiers = kAccMiranda | kAccSynthetic; |
| 1166 | StackHandleScope<3> hs(self); |
| 1167 | auto h_method_name = hs.NewHandle(name); |
Andreas Gampe | fa4333d | 2017-02-14 11:10:34 -0800 | [diff] [blame^] | 1168 | if (UNLIKELY(h_method_name == nullptr)) { |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1169 | ThrowNullPointerException("name == null"); |
| 1170 | return nullptr; |
| 1171 | } |
| 1172 | auto h_args = hs.NewHandle(args); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1173 | Handle<Class> h_klass = hs.NewHandle(klass); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1174 | ArtMethod* result = nullptr; |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1175 | for (auto& m : h_klass->GetDeclaredVirtualMethods(kPointerSize)) { |
| 1176 | auto* np_method = m.GetInterfaceMethodIfProxy(kPointerSize); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1177 | // May cause thread suspension. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1178 | ObjPtr<String> np_name = np_method->GetNameAsString(self); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1179 | if (!np_name->Equals(h_method_name.Get()) || !np_method->EqualParameters(h_args)) { |
| 1180 | if (UNLIKELY(self->IsExceptionPending())) { |
| 1181 | return nullptr; |
| 1182 | } |
| 1183 | continue; |
| 1184 | } |
| 1185 | auto modifiers = m.GetAccessFlags(); |
| 1186 | if ((modifiers & kSkipModifiers) == 0) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1187 | return Method::CreateFromArtMethod<kPointerSize, kTransactionActive>(self, &m); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1188 | } |
| 1189 | if ((modifiers & kAccMiranda) == 0) { |
| 1190 | result = &m; // Remember as potential result if it's not a miranda method. |
| 1191 | } |
| 1192 | } |
| 1193 | if (result == nullptr) { |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1194 | for (auto& m : h_klass->GetDirectMethods(kPointerSize)) { |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1195 | auto modifiers = m.GetAccessFlags(); |
| 1196 | if ((modifiers & kAccConstructor) != 0) { |
| 1197 | continue; |
| 1198 | } |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1199 | auto* np_method = m.GetInterfaceMethodIfProxy(kPointerSize); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1200 | // May cause thread suspension. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1201 | ObjPtr<String> np_name = np_method->GetNameAsString(self); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1202 | if (np_name == nullptr) { |
| 1203 | self->AssertPendingException(); |
| 1204 | return nullptr; |
| 1205 | } |
| 1206 | if (!np_name->Equals(h_method_name.Get()) || !np_method->EqualParameters(h_args)) { |
| 1207 | if (UNLIKELY(self->IsExceptionPending())) { |
| 1208 | return nullptr; |
| 1209 | } |
| 1210 | continue; |
| 1211 | } |
| 1212 | if ((modifiers & kSkipModifiers) == 0) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1213 | return Method::CreateFromArtMethod<kPointerSize, kTransactionActive>(self, &m); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1214 | } |
| 1215 | // Direct methods cannot be miranda methods, so this potential result must be synthetic. |
| 1216 | result = &m; |
| 1217 | } |
| 1218 | } |
| 1219 | return result != nullptr |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1220 | ? Method::CreateFromArtMethod<kPointerSize, kTransactionActive>(self, result) |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1221 | : nullptr; |
| 1222 | } |
| 1223 | |
| 1224 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1225 | ObjPtr<Method> Class::GetDeclaredMethodInternal<PointerSize::k32, false>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1226 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1227 | ObjPtr<Class> klass, |
| 1228 | ObjPtr<String> name, |
| 1229 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1230 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1231 | ObjPtr<Method> Class::GetDeclaredMethodInternal<PointerSize::k32, true>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1232 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1233 | ObjPtr<Class> klass, |
| 1234 | ObjPtr<String> name, |
| 1235 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1236 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1237 | ObjPtr<Method> Class::GetDeclaredMethodInternal<PointerSize::k64, false>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1238 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1239 | ObjPtr<Class> klass, |
| 1240 | ObjPtr<String> name, |
| 1241 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1242 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1243 | ObjPtr<Method> Class::GetDeclaredMethodInternal<PointerSize::k64, true>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1244 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1245 | ObjPtr<Class> klass, |
| 1246 | ObjPtr<String> name, |
| 1247 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1248 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1249 | template <PointerSize kPointerSize, bool kTransactionActive> |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1250 | ObjPtr<Constructor> Class::GetDeclaredConstructorInternal( |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1251 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1252 | ObjPtr<Class> klass, |
| 1253 | ObjPtr<ObjectArray<Class>> args) { |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1254 | StackHandleScope<1> hs(self); |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1255 | ArtMethod* result = klass->GetDeclaredConstructor(self, hs.NewHandle(args), kPointerSize); |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1256 | return result != nullptr |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1257 | ? Constructor::CreateFromArtMethod<kPointerSize, kTransactionActive>(self, result) |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1258 | : nullptr; |
| 1259 | } |
| 1260 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1261 | // Constructor::CreateFromArtMethod<kTransactionActive>(self, result) |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1262 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1263 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1264 | ObjPtr<Constructor> Class::GetDeclaredConstructorInternal<PointerSize::k32, false>( |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1265 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1266 | ObjPtr<Class> klass, |
| 1267 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1268 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1269 | ObjPtr<Constructor> Class::GetDeclaredConstructorInternal<PointerSize::k32, true>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1270 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1271 | ObjPtr<Class> klass, |
| 1272 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1273 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1274 | ObjPtr<Constructor> Class::GetDeclaredConstructorInternal<PointerSize::k64, false>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1275 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1276 | ObjPtr<Class> klass, |
| 1277 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1278 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1279 | ObjPtr<Constructor> Class::GetDeclaredConstructorInternal<PointerSize::k64, true>( |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1280 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1281 | ObjPtr<Class> klass, |
| 1282 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1283 | |
Andreas Gampe | 715fdc2 | 2016-04-18 17:07:30 -0700 | [diff] [blame] | 1284 | int32_t Class::GetInnerClassFlags(Handle<Class> h_this, int32_t default_value) { |
| 1285 | if (h_this->IsProxyClass() || h_this->GetDexCache() == nullptr) { |
| 1286 | return default_value; |
| 1287 | } |
| 1288 | uint32_t flags; |
David Sehr | 9323e6e | 2016-09-13 08:58:35 -0700 | [diff] [blame] | 1289 | if (!annotations::GetInnerClassFlags(h_this, &flags)) { |
Andreas Gampe | 715fdc2 | 2016-04-18 17:07:30 -0700 | [diff] [blame] | 1290 | return default_value; |
| 1291 | } |
| 1292 | return flags; |
| 1293 | } |
| 1294 | |
Mathieu Chartier | 93bbee0 | 2016-08-31 09:38:40 -0700 | [diff] [blame] | 1295 | void Class::SetObjectSizeAllocFastPath(uint32_t new_object_size) { |
| 1296 | if (Runtime::Current()->IsActiveTransaction()) { |
| 1297 | SetField32Volatile<true>(ObjectSizeAllocFastPathOffset(), new_object_size); |
| 1298 | } else { |
| 1299 | SetField32Volatile<false>(ObjectSizeAllocFastPathOffset(), new_object_size); |
| 1300 | } |
| 1301 | } |
| 1302 | |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 1303 | std::string Class::PrettyDescriptor(ObjPtr<mirror::Class> klass) { |
| 1304 | if (klass == nullptr) { |
| 1305 | return "null"; |
| 1306 | } |
| 1307 | return klass->PrettyDescriptor(); |
| 1308 | } |
| 1309 | |
| 1310 | std::string Class::PrettyDescriptor() { |
| 1311 | std::string temp; |
| 1312 | return art::PrettyDescriptor(GetDescriptor(&temp)); |
| 1313 | } |
| 1314 | |
| 1315 | std::string Class::PrettyClass(ObjPtr<mirror::Class> c) { |
| 1316 | if (c == nullptr) { |
| 1317 | return "null"; |
| 1318 | } |
| 1319 | return c->PrettyClass(); |
| 1320 | } |
| 1321 | |
| 1322 | std::string Class::PrettyClass() { |
| 1323 | std::string result; |
| 1324 | result += "java.lang.Class<"; |
| 1325 | result += PrettyDescriptor(); |
| 1326 | result += ">"; |
| 1327 | return result; |
| 1328 | } |
| 1329 | |
| 1330 | std::string Class::PrettyClassAndClassLoader(ObjPtr<mirror::Class> c) { |
| 1331 | if (c == nullptr) { |
| 1332 | return "null"; |
| 1333 | } |
| 1334 | return c->PrettyClassAndClassLoader(); |
| 1335 | } |
| 1336 | |
| 1337 | std::string Class::PrettyClassAndClassLoader() { |
| 1338 | std::string result; |
| 1339 | result += "java.lang.Class<"; |
| 1340 | result += PrettyDescriptor(); |
| 1341 | result += ","; |
| 1342 | result += mirror::Object::PrettyTypeOf(GetClassLoader()); |
| 1343 | // TODO: add an identifying hash value for the loader |
| 1344 | result += ">"; |
| 1345 | return result; |
| 1346 | } |
| 1347 | |
Andreas Gampe | 90b936d | 2017-01-31 08:58:55 -0800 | [diff] [blame] | 1348 | template<VerifyObjectFlags kVerifyFlags> void Class::GetAccessFlagsDCheck() { |
| 1349 | // Check class is loaded/retired or this is java.lang.String that has a |
| 1350 | // circularity issue during loading the names of its members |
| 1351 | DCHECK(IsIdxLoaded<kVerifyFlags>() || IsRetired<kVerifyFlags>() || |
| 1352 | IsErroneous<static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis)>() || |
| 1353 | this == String::GetJavaLangString()) |
| 1354 | << "IsIdxLoaded=" << IsIdxLoaded<kVerifyFlags>() |
| 1355 | << " IsRetired=" << IsRetired<kVerifyFlags>() |
| 1356 | << " IsErroneous=" << |
| 1357 | IsErroneous<static_cast<VerifyObjectFlags>(kVerifyFlags & ~kVerifyThis)>() |
| 1358 | << " IsString=" << (this == String::GetJavaLangString()) |
| 1359 | << " status= " << GetStatus<kVerifyFlags>() |
| 1360 | << " descriptor=" << PrettyDescriptor(); |
| 1361 | } |
| 1362 | // Instantiate the common cases. |
| 1363 | template void Class::GetAccessFlagsDCheck<kVerifyNone>(); |
| 1364 | template void Class::GetAccessFlagsDCheck<kVerifyThis>(); |
| 1365 | template void Class::GetAccessFlagsDCheck<kVerifyReads>(); |
| 1366 | template void Class::GetAccessFlagsDCheck<kVerifyWrites>(); |
| 1367 | template void Class::GetAccessFlagsDCheck<kVerifyAll>(); |
| 1368 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 1369 | } // namespace mirror |
| 1370 | } // namespace art |