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 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 19 | #include "art_field-inl.h" |
| 20 | #include "art_method-inl.h" |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 21 | #include "class_ext.h" |
Vladimir Marko | 3481ba2 | 2015-04-13 12:22:36 +0100 | [diff] [blame] | 22 | #include "class_linker-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 23 | #include "class_loader.h" |
Ian Rogers | 22d5e73 | 2014-07-15 22:23:51 -0700 | [diff] [blame] | 24 | #include "class-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 25 | #include "dex_cache.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 26 | #include "dex_file-inl.h" |
David Sehr | 9323e6e | 2016-09-13 08:58:35 -0700 | [diff] [blame] | 27 | #include "dex_file_annotations.h" |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 28 | #include "gc/accounting/card_table-inl.h" |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 29 | #include "handle_scope-inl.h" |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 30 | #include "method.h" |
Ian Rogers | 22d5e73 | 2014-07-15 22:23:51 -0700 | [diff] [blame] | 31 | #include "object_array-inl.h" |
| 32 | #include "object-inl.h" |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 33 | #include "object_lock.h" |
Ian Rogers | 22d5e73 | 2014-07-15 22:23:51 -0700 | [diff] [blame] | 34 | #include "runtime.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 35 | #include "thread.h" |
| 36 | #include "throwable.h" |
| 37 | #include "utils.h" |
| 38 | #include "well_known_classes.h" |
| 39 | |
| 40 | namespace art { |
| 41 | namespace mirror { |
| 42 | |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 43 | GcRoot<Class> Class::java_lang_Class_; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 44 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 45 | void Class::SetClassClass(ObjPtr<Class> java_lang_Class) { |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 46 | CHECK(java_lang_Class_.IsNull()) |
| 47 | << java_lang_Class_.Read() |
Hiroshi Yamauchi | 4f1ebc2 | 2014-06-25 14:30:41 -0700 | [diff] [blame] | 48 | << " " << java_lang_Class; |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 49 | CHECK(java_lang_Class != nullptr); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 50 | java_lang_Class->SetClassFlags(kClassFlagClass); |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 51 | java_lang_Class_ = GcRoot<Class>(java_lang_Class); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | void Class::ResetClass() { |
Hiroshi Yamauchi | 94f7b49 | 2014-07-22 18:08:23 -0700 | [diff] [blame] | 55 | CHECK(!java_lang_Class_.IsNull()); |
| 56 | java_lang_Class_ = GcRoot<Class>(nullptr); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 57 | } |
| 58 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 59 | void Class::VisitRoots(RootVisitor* visitor) { |
| 60 | java_lang_Class_.VisitRootIfNonNull(visitor, RootInfo(kRootStickyClass)); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 61 | } |
| 62 | |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 63 | ClassExt* Class::GetExtData() { |
| 64 | return GetFieldObject<ClassExt>(OFFSET_OF_OBJECT_MEMBER(Class, ext_data_)); |
| 65 | } |
| 66 | |
| 67 | void Class::SetExtData(ObjPtr<ClassExt> ext) { |
| 68 | CHECK(ext != nullptr) << PrettyClass(); |
| 69 | // TODO It might be wise to just create an internal (global?) mutex that we synchronize on instead |
| 70 | // to prevent any possibility of deadlocks with java code. Alternatively we might want to come up |
| 71 | // with some other abstraction. |
| 72 | DCHECK_EQ(GetLockOwnerThreadId(), Thread::Current()->GetThreadId()) |
| 73 | << "The " << PrettyClass() << " object should be locked when writing to the extData field."; |
| 74 | DCHECK(GetExtData() == nullptr) |
| 75 | << "The extData for " << PrettyClass() << " has already been set!"; |
Andreas Gampe | 99babb6 | 2015-11-02 16:20:00 -0800 | [diff] [blame] | 76 | if (Runtime::Current()->IsActiveTransaction()) { |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 77 | SetFieldObject<true>(OFFSET_OF_OBJECT_MEMBER(Class, ext_data_), ext); |
Andreas Gampe | 99babb6 | 2015-11-02 16:20:00 -0800 | [diff] [blame] | 78 | } else { |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 79 | SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(Class, ext_data_), ext); |
Andreas Gampe | 99babb6 | 2015-11-02 16:20:00 -0800 | [diff] [blame] | 80 | } |
| 81 | } |
| 82 | |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 83 | void Class::SetStatus(Handle<Class> h_this, Status new_status, Thread* self) { |
| 84 | Status old_status = h_this->GetStatus(); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 85 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 86 | bool class_linker_initialized = class_linker != nullptr && class_linker->IsInitialized(); |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 87 | if (LIKELY(class_linker_initialized)) { |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 88 | if (UNLIKELY(new_status <= old_status && new_status != kStatusError && |
| 89 | new_status != kStatusRetired)) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 90 | LOG(FATAL) << "Unexpected change back of class status for " << h_this->PrettyClass() |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 91 | << " " << old_status << " -> " << new_status; |
Ian Rogers | 8f3c9ae | 2013-08-20 17:26:41 -0700 | [diff] [blame] | 92 | } |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 93 | if (new_status >= kStatusResolved || old_status >= kStatusResolved) { |
| 94 | // When classes are being resolved the resolution code should hold the lock. |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 95 | CHECK_EQ(h_this->GetLockOwnerThreadId(), self->GetThreadId()) |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 96 | << "Attempt to change status of class while not holding its lock: " |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 97 | << h_this->PrettyClass() << " " << old_status << " -> " << new_status; |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 98 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 99 | } |
Ian Rogers | 9837939 | 2014-02-24 16:53:16 -0800 | [diff] [blame] | 100 | if (UNLIKELY(new_status == kStatusError)) { |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 101 | CHECK_NE(h_this->GetStatus(), kStatusError) |
| 102 | << "Attempt to set as erroneous an already erroneous class " |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 103 | << h_this->PrettyClass(); |
Andreas Gampe | 31decb1 | 2015-08-24 21:09:05 -0700 | [diff] [blame] | 104 | if (VLOG_IS_ON(class_linker)) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 105 | LOG(ERROR) << "Setting " << h_this->PrettyDescriptor() << " to erroneous."; |
Andreas Gampe | 31decb1 | 2015-08-24 21:09:05 -0700 | [diff] [blame] | 106 | if (self->IsExceptionPending()) { |
| 107 | LOG(ERROR) << "Exception: " << self->GetException()->Dump(); |
| 108 | } |
| 109 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 110 | |
Alex Light | d625158 | 2016-10-31 11:12:30 -0700 | [diff] [blame] | 111 | { |
| 112 | // Ensure we lock around 'this' when we set the ClassExt. |
| 113 | ObjectLock<mirror::Class> lock(self, h_this); |
| 114 | StackHandleScope<2> hs(self); |
| 115 | // Remember the current exception. |
| 116 | Handle<Throwable> exception(hs.NewHandle(self->GetException())); |
| 117 | CHECK(exception.Get() != nullptr); |
| 118 | MutableHandle<ClassExt> ext(hs.NewHandle(h_this->GetExtData())); |
| 119 | if (ext.Get() == nullptr) { |
| 120 | // Cannot have exception while allocating. |
| 121 | self->ClearException(); |
| 122 | ext.Assign(ClassExt::Alloc(self)); |
| 123 | DCHECK(ext.Get() == nullptr || ext->GetVerifyError() == nullptr); |
| 124 | if (ext.Get() != nullptr) { |
| 125 | self->AssertNoPendingException(); |
| 126 | h_this->SetExtData(ext.Get()); |
| 127 | self->SetException(exception.Get()); |
| 128 | } else { |
| 129 | // TODO Should we restore the old exception anyway? |
| 130 | self->AssertPendingOOMException(); |
| 131 | } |
| 132 | } |
| 133 | if (ext.Get() != nullptr) { |
| 134 | ext->SetVerifyError(self->GetException()); |
| 135 | } |
| 136 | } |
| 137 | self->AssertPendingException(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 138 | } |
Andreas Gampe | 575e78c | 2014-11-03 23:41:03 -0800 | [diff] [blame] | 139 | 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] | 140 | if (Runtime::Current()->IsActiveTransaction()) { |
Mathieu Chartier | 93bbee0 | 2016-08-31 09:38:40 -0700 | [diff] [blame] | 141 | h_this->SetField32Volatile<true>(StatusOffset(), new_status); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 142 | } else { |
Mathieu Chartier | 93bbee0 | 2016-08-31 09:38:40 -0700 | [diff] [blame] | 143 | h_this->SetField32Volatile<false>(StatusOffset(), new_status); |
| 144 | } |
| 145 | |
| 146 | // Setting the object size alloc fast path needs to be after the status write so that if the |
| 147 | // alloc path sees a valid object size, we would know that it's initialized as long as it has a |
| 148 | // load-acquire/fake dependency. |
| 149 | if (new_status == kStatusInitialized && !h_this->IsVariableSize()) { |
Mathieu Chartier | 161db1d | 2016-09-01 14:06:54 -0700 | [diff] [blame] | 150 | DCHECK_EQ(h_this->GetObjectSizeAllocFastPath(), std::numeric_limits<uint32_t>::max()); |
| 151 | // Finalizable objects must always go slow path. |
| 152 | if (!h_this->IsFinalizable()) { |
| 153 | h_this->SetObjectSizeAllocFastPath(RoundUp(h_this->GetObjectSize(), kObjectAlignment)); |
Mathieu Chartier | 93bbee0 | 2016-08-31 09:38:40 -0700 | [diff] [blame] | 154 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 155 | } |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 156 | |
| 157 | if (!class_linker_initialized) { |
| 158 | // When the class linker is being initialized its single threaded and by definition there can be |
| 159 | // no waiters. During initialization classes may appear temporary but won't be retired as their |
| 160 | // size was statically computed. |
| 161 | } else { |
| 162 | // Classes that are being resolved or initialized need to notify waiters that the class status |
| 163 | // changed. See ClassLinker::EnsureResolved and ClassLinker::WaitForInitializeClass. |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 164 | if (h_this->IsTemp()) { |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 165 | // Class is a temporary one, ensure that waiters for resolution get notified of retirement |
| 166 | // 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] | 167 | CHECK_LT(new_status, kStatusResolved) << h_this->PrettyDescriptor(); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 168 | if (new_status == kStatusRetired || new_status == kStatusError) { |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 169 | h_this->NotifyAll(self); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 170 | } |
| 171 | } else { |
| 172 | CHECK_NE(new_status, kStatusRetired); |
| 173 | if (old_status >= kStatusResolved || new_status >= kStatusResolved) { |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 174 | h_this->NotifyAll(self); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 175 | } |
| 176 | } |
Ian Rogers | 7dfb28c | 2013-08-22 08:18:36 -0700 | [diff] [blame] | 177 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 178 | } |
| 179 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 180 | void Class::SetDexCache(ObjPtr<DexCache> new_dex_cache) { |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 181 | SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(Class, dex_cache_), new_dex_cache); |
Mathieu Chartier | 91a6dc4 | 2014-12-01 10:31:15 -0800 | [diff] [blame] | 182 | SetDexCacheStrings(new_dex_cache != nullptr ? new_dex_cache->GetStrings() : nullptr); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 183 | } |
| 184 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 185 | void Class::SetClassSize(uint32_t new_class_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 186 | if (kIsDebugBuild && new_class_size < GetClassSize()) { |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 187 | DumpClass(LOG_STREAM(FATAL_WITHOUT_ABORT), kDumpClassFullDetail); |
| 188 | LOG(FATAL_WITHOUT_ABORT) << new_class_size << " vs " << GetClassSize(); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 189 | LOG(FATAL) << "class=" << PrettyTypeOf(); |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 190 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 191 | // Not called within a transaction. |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 192 | SetField32<false>(OFFSET_OF_OBJECT_MEMBER(Class, class_size_), new_class_size); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 193 | } |
| 194 | |
| 195 | // Return the class' name. The exact format is bizarre, but it's the specified behavior for |
| 196 | // Class.getName: keywords for primitive types, regular "[I" form for primitive arrays (so "int" |
| 197 | // but "[I"), and arrays of reference types written between "L" and ";" but with dots rather than |
| 198 | // slashes (so "java.lang.String" but "[Ljava.lang.String;"). Madness. |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 199 | String* Class::ComputeName(Handle<Class> h_this) { |
| 200 | String* name = h_this->GetName(); |
Mathieu Chartier | 692fafd | 2013-11-29 17:24:40 -0800 | [diff] [blame] | 201 | if (name != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 202 | return name; |
| 203 | } |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 204 | std::string temp; |
| 205 | const char* descriptor = h_this->GetDescriptor(&temp); |
Mathieu Chartier | 692fafd | 2013-11-29 17:24:40 -0800 | [diff] [blame] | 206 | Thread* self = Thread::Current(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 207 | if ((descriptor[0] != 'L') && (descriptor[0] != '[')) { |
| 208 | // The descriptor indicates that this is the class for |
| 209 | // a primitive type; special-case the return value. |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 210 | const char* c_name = nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 211 | switch (descriptor[0]) { |
| 212 | case 'Z': c_name = "boolean"; break; |
| 213 | case 'B': c_name = "byte"; break; |
| 214 | case 'C': c_name = "char"; break; |
| 215 | case 'S': c_name = "short"; break; |
| 216 | case 'I': c_name = "int"; break; |
| 217 | case 'J': c_name = "long"; break; |
| 218 | case 'F': c_name = "float"; break; |
| 219 | case 'D': c_name = "double"; break; |
| 220 | case 'V': c_name = "void"; break; |
| 221 | default: |
| 222 | LOG(FATAL) << "Unknown primitive type: " << PrintableChar(descriptor[0]); |
| 223 | } |
Mathieu Chartier | 692fafd | 2013-11-29 17:24:40 -0800 | [diff] [blame] | 224 | name = String::AllocFromModifiedUtf8(self, c_name); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 225 | } else { |
| 226 | // Convert the UTF-8 name to a java.lang.String. The name must use '.' to separate package |
| 227 | // components. |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 228 | name = String::AllocFromModifiedUtf8(self, DescriptorToDot(descriptor).c_str()); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 229 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 230 | h_this->SetName(name); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 231 | return name; |
| 232 | } |
| 233 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 234 | void Class::DumpClass(std::ostream& os, int flags) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 235 | if ((flags & kDumpClassFullDetail) == 0) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 236 | os << PrettyClass(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 237 | if ((flags & kDumpClassClassLoader) != 0) { |
| 238 | os << ' ' << GetClassLoader(); |
| 239 | } |
| 240 | if ((flags & kDumpClassInitialized) != 0) { |
| 241 | os << ' ' << GetStatus(); |
| 242 | } |
| 243 | os << "\n"; |
| 244 | return; |
| 245 | } |
| 246 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 247 | Thread* const self = Thread::Current(); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 248 | StackHandleScope<2> hs(self); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 249 | Handle<Class> h_this(hs.NewHandle(this)); |
| 250 | Handle<Class> h_super(hs.NewHandle(GetSuperClass())); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 251 | auto image_pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize(); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 252 | |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 253 | std::string temp; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 254 | os << "----- " << (IsInterface() ? "interface" : "class") << " " |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 255 | << "'" << GetDescriptor(&temp) << "' cl=" << GetClassLoader() << " -----\n", |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 256 | os << " objectSize=" << SizeOf() << " " |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 257 | << "(" << (h_super.Get() != nullptr ? h_super->SizeOf() : -1) << " from super)\n", |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 258 | os << StringPrintf(" access=0x%04x.%04x\n", |
| 259 | GetAccessFlags() >> 16, GetAccessFlags() & kAccJavaFlagsMask); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 260 | if (h_super.Get() != nullptr) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 261 | os << " super='" << h_super->PrettyClass() << "' (cl=" << h_super->GetClassLoader() |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 262 | << ")\n"; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 263 | } |
| 264 | if (IsArrayClass()) { |
| 265 | os << " componentType=" << PrettyClass(GetComponentType()) << "\n"; |
| 266 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 267 | const size_t num_direct_interfaces = NumDirectInterfaces(); |
| 268 | if (num_direct_interfaces > 0) { |
| 269 | os << " interfaces (" << num_direct_interfaces << "):\n"; |
| 270 | for (size_t i = 0; i < num_direct_interfaces; ++i) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 271 | ObjPtr<Class> interface = GetDirectInterface(self, h_this, i); |
Andreas Gampe | 16f149c | 2015-03-23 10:10:20 -0700 | [diff] [blame] | 272 | if (interface == nullptr) { |
| 273 | os << StringPrintf(" %2zd: nullptr!\n", i); |
| 274 | } else { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 275 | ObjPtr<ClassLoader> cl = interface->GetClassLoader(); |
| 276 | 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] | 277 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 278 | } |
| 279 | } |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 280 | if (!IsLoaded()) { |
| 281 | os << " class not yet loaded"; |
| 282 | } else { |
| 283 | // After this point, this may have moved due to GetDirectInterface. |
| 284 | os << " vtable (" << h_this->NumVirtualMethods() << " entries, " |
| 285 | << (h_super.Get() != nullptr ? h_super->NumVirtualMethods() : 0) << " in super):\n"; |
| 286 | for (size_t i = 0; i < NumVirtualMethods(); ++i) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 287 | os << StringPrintf(" %2zd: %s\n", i, ArtMethod::PrettyMethod( |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 288 | h_this->GetVirtualMethodDuringLinking(i, image_pointer_size)).c_str()); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 289 | } |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 290 | os << " direct methods (" << h_this->NumDirectMethods() << " entries):\n"; |
| 291 | for (size_t i = 0; i < h_this->NumDirectMethods(); ++i) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 292 | os << StringPrintf(" %2zd: %s\n", i, ArtMethod::PrettyMethod( |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 293 | h_this->GetDirectMethod(i, image_pointer_size)).c_str()); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 294 | } |
| 295 | if (h_this->NumStaticFields() > 0) { |
| 296 | os << " static fields (" << h_this->NumStaticFields() << " entries):\n"; |
| 297 | if (h_this->IsResolved() || h_this->IsErroneous()) { |
| 298 | for (size_t i = 0; i < h_this->NumStaticFields(); ++i) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 299 | os << StringPrintf(" %2zd: %s\n", i, |
| 300 | ArtField::PrettyField(h_this->GetStaticField(i)).c_str()); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 301 | } |
| 302 | } else { |
| 303 | os << " <not yet available>"; |
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 | } |
| 306 | if (h_this->NumInstanceFields() > 0) { |
| 307 | os << " instance fields (" << h_this->NumInstanceFields() << " entries):\n"; |
| 308 | if (h_this->IsResolved() || h_this->IsErroneous()) { |
| 309 | for (size_t i = 0; i < h_this->NumInstanceFields(); ++i) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 310 | os << StringPrintf(" %2zd: %s\n", i, |
| 311 | ArtField::PrettyField(h_this->GetInstanceField(i)).c_str()); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 312 | } |
| 313 | } else { |
| 314 | os << " <not yet available>"; |
| 315 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 316 | } |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | void Class::SetReferenceInstanceOffsets(uint32_t new_reference_offsets) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 321 | if (kIsDebugBuild && new_reference_offsets != kClassWalkSuper) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 322 | // Sanity check that the number of bits set in the reference offset bitmap |
| 323 | // agrees with the number of references |
Ian Rogers | cdc1aaf | 2014-10-09 13:21:38 -0700 | [diff] [blame] | 324 | uint32_t count = 0; |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 325 | for (ObjPtr<Class> c = this; c != nullptr; c = c->GetSuperClass()) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 326 | count += c->NumReferenceInstanceFieldsDuringLinking(); |
| 327 | } |
Ian Rogers | cdc1aaf | 2014-10-09 13:21:38 -0700 | [diff] [blame] | 328 | // +1 for the Class in Object. |
| 329 | CHECK_EQ(static_cast<uint32_t>(POPCOUNT(new_reference_offsets)) + 1, count); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 330 | } |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 331 | // Not called within a transaction. |
| 332 | SetField32<false>(OFFSET_OF_OBJECT_MEMBER(Class, reference_instance_offsets_), |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 333 | new_reference_offsets); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 334 | } |
| 335 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 336 | bool Class::IsInSamePackage(const StringPiece& descriptor1, const StringPiece& descriptor2) { |
| 337 | size_t i = 0; |
Ian Rogers | 6b604a1 | 2014-09-25 15:35:37 -0700 | [diff] [blame] | 338 | size_t min_length = std::min(descriptor1.size(), descriptor2.size()); |
| 339 | while (i < min_length && descriptor1[i] == descriptor2[i]) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 340 | ++i; |
| 341 | } |
| 342 | if (descriptor1.find('/', i) != StringPiece::npos || |
| 343 | descriptor2.find('/', i) != StringPiece::npos) { |
| 344 | return false; |
| 345 | } else { |
| 346 | return true; |
| 347 | } |
| 348 | } |
| 349 | |
Mathieu Chartier | 3398c78 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 350 | bool Class::IsInSamePackage(ObjPtr<Class> that) { |
| 351 | ObjPtr<Class> klass1 = this; |
| 352 | ObjPtr<Class> klass2 = that; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 353 | if (klass1 == klass2) { |
| 354 | return true; |
| 355 | } |
| 356 | // Class loaders must match. |
| 357 | if (klass1->GetClassLoader() != klass2->GetClassLoader()) { |
| 358 | return false; |
| 359 | } |
| 360 | // Arrays are in the same package when their element classes are. |
| 361 | while (klass1->IsArrayClass()) { |
| 362 | klass1 = klass1->GetComponentType(); |
| 363 | } |
| 364 | while (klass2->IsArrayClass()) { |
| 365 | klass2 = klass2->GetComponentType(); |
| 366 | } |
Anwar Ghuloum | 9fa3f20 | 2013-03-26 14:32:54 -0700 | [diff] [blame] | 367 | // trivial check again for array types |
| 368 | if (klass1 == klass2) { |
| 369 | return true; |
| 370 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 371 | // Compare the package part of the descriptor string. |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 372 | std::string temp1, temp2; |
| 373 | return IsInSamePackage(klass1->GetDescriptor(&temp1), klass2->GetDescriptor(&temp2)); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 374 | } |
| 375 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 376 | bool Class::IsThrowableClass() { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 377 | return WellKnownClasses::ToClass(WellKnownClasses::java_lang_Throwable)->IsAssignableFrom(this); |
| 378 | } |
| 379 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 380 | void Class::SetClassLoader(ObjPtr<ClassLoader> new_class_loader) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 381 | if (Runtime::Current()->IsActiveTransaction()) { |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 382 | SetFieldObject<true>(OFFSET_OF_OBJECT_MEMBER(Class, class_loader_), new_class_loader); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 383 | } else { |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 384 | SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(Class, class_loader_), new_class_loader); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 385 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 386 | } |
| 387 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 388 | ArtMethod* Class::FindInterfaceMethod(const StringPiece& name, |
| 389 | const StringPiece& signature, |
| 390 | PointerSize pointer_size) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 391 | // Check the current class before checking the interfaces. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 392 | ArtMethod* method = FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 393 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 394 | return method; |
| 395 | } |
| 396 | |
| 397 | int32_t iftable_count = GetIfTableCount(); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 398 | ObjPtr<IfTable> iftable = GetIfTable(); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 399 | for (int32_t i = 0; i < iftable_count; ++i) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 400 | method = iftable->GetInterface(i)->FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 401 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 402 | return method; |
| 403 | } |
| 404 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 405 | return nullptr; |
| 406 | } |
| 407 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 408 | ArtMethod* Class::FindInterfaceMethod(const StringPiece& name, |
| 409 | const Signature& signature, |
| 410 | PointerSize pointer_size) { |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 411 | // Check the current class before checking the interfaces. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 412 | ArtMethod* method = FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 413 | if (method != nullptr) { |
| 414 | return method; |
| 415 | } |
| 416 | |
| 417 | int32_t iftable_count = GetIfTableCount(); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 418 | ObjPtr<IfTable> iftable = GetIfTable(); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 419 | for (int32_t i = 0; i < iftable_count; ++i) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 420 | method = iftable->GetInterface(i)->FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 421 | if (method != nullptr) { |
| 422 | return method; |
| 423 | } |
| 424 | } |
| 425 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 426 | } |
| 427 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 428 | ArtMethod* Class::FindInterfaceMethod(ObjPtr<DexCache> dex_cache, |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 429 | uint32_t dex_method_idx, |
| 430 | PointerSize pointer_size) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 431 | // Check the current class before checking the interfaces. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 432 | ArtMethod* method = FindDeclaredVirtualMethod(dex_cache, dex_method_idx, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 433 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 434 | return method; |
| 435 | } |
| 436 | |
| 437 | int32_t iftable_count = GetIfTableCount(); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 438 | ObjPtr<IfTable> iftable = GetIfTable(); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 439 | for (int32_t i = 0; i < iftable_count; ++i) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 440 | method = iftable->GetInterface(i)->FindDeclaredVirtualMethod( |
| 441 | dex_cache, dex_method_idx, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 442 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 443 | return method; |
| 444 | } |
| 445 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 446 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 447 | } |
| 448 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 449 | ArtMethod* Class::FindDeclaredDirectMethod(const StringPiece& name, |
| 450 | const StringPiece& signature, |
| 451 | PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 452 | for (auto& method : GetDirectMethods(pointer_size)) { |
| 453 | if (name == method.GetName() && method.GetSignature() == signature) { |
| 454 | return &method; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 455 | } |
| 456 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 457 | return nullptr; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 458 | } |
| 459 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 460 | ArtMethod* Class::FindDeclaredDirectMethod(const StringPiece& name, |
| 461 | const Signature& signature, |
| 462 | PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 463 | for (auto& method : GetDirectMethods(pointer_size)) { |
| 464 | if (name == method.GetName() && signature == method.GetSignature()) { |
| 465 | return &method; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 466 | } |
| 467 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 468 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 469 | } |
| 470 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 471 | ArtMethod* Class::FindDeclaredDirectMethod(ObjPtr<DexCache> dex_cache, |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 472 | uint32_t dex_method_idx, |
| 473 | PointerSize pointer_size) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 474 | if (GetDexCache() == dex_cache) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 475 | for (auto& method : GetDirectMethods(pointer_size)) { |
| 476 | if (method.GetDexMethodIndex() == dex_method_idx) { |
| 477 | return &method; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 478 | } |
| 479 | } |
| 480 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 481 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 482 | } |
| 483 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 484 | ArtMethod* Class::FindDirectMethod(const StringPiece& name, |
| 485 | const StringPiece& signature, |
| 486 | PointerSize pointer_size) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 487 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 488 | ArtMethod* method = klass->FindDeclaredDirectMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 489 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 490 | return method; |
| 491 | } |
| 492 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 493 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 494 | } |
| 495 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 496 | ArtMethod* Class::FindDirectMethod(const StringPiece& name, |
| 497 | const Signature& signature, |
| 498 | PointerSize pointer_size) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 499 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 500 | ArtMethod* method = klass->FindDeclaredDirectMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 501 | if (method != nullptr) { |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 502 | return method; |
| 503 | } |
| 504 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 505 | return nullptr; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 506 | } |
| 507 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 508 | ArtMethod* Class::FindDirectMethod(ObjPtr<DexCache> dex_cache, |
| 509 | uint32_t dex_method_idx, |
| 510 | PointerSize pointer_size) { |
| 511 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 512 | ArtMethod* method = klass->FindDeclaredDirectMethod(dex_cache, dex_method_idx, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 513 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 514 | return method; |
| 515 | } |
| 516 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 517 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 518 | } |
| 519 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 520 | ArtMethod* Class::FindDeclaredDirectMethodByName(const StringPiece& name, |
| 521 | PointerSize pointer_size) { |
Nicolas Geoffray | a42363f | 2015-12-17 14:57:09 +0000 | [diff] [blame] | 522 | for (auto& method : GetDirectMethods(pointer_size)) { |
| 523 | ArtMethod* const np_method = method.GetInterfaceMethodIfProxy(pointer_size); |
| 524 | if (name == np_method->GetName()) { |
| 525 | return &method; |
| 526 | } |
| 527 | } |
| 528 | return nullptr; |
| 529 | } |
| 530 | |
Alex Light | e64300b | 2015-12-15 15:02:47 -0800 | [diff] [blame] | 531 | // TODO These should maybe be changed to be named FindOwnedVirtualMethod or something similar |
| 532 | // because they do not only find 'declared' methods and will return copied methods. This behavior is |
| 533 | // desired and correct but the naming can lead to confusion because in the java language declared |
| 534 | // excludes interface methods which might be found by this. |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 535 | ArtMethod* Class::FindDeclaredVirtualMethod(const StringPiece& name, |
| 536 | const StringPiece& signature, |
| 537 | PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 538 | for (auto& method : GetVirtualMethods(pointer_size)) { |
Mathieu Chartier | 72156e2 | 2015-07-10 18:26:41 -0700 | [diff] [blame] | 539 | ArtMethod* const np_method = method.GetInterfaceMethodIfProxy(pointer_size); |
| 540 | if (name == np_method->GetName() && np_method->GetSignature() == signature) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 541 | return &method; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 542 | } |
| 543 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 544 | return nullptr; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 545 | } |
| 546 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 547 | ArtMethod* Class::FindDeclaredVirtualMethod(const StringPiece& name, |
| 548 | const Signature& signature, |
| 549 | PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 550 | for (auto& method : GetVirtualMethods(pointer_size)) { |
Mathieu Chartier | 72156e2 | 2015-07-10 18:26:41 -0700 | [diff] [blame] | 551 | ArtMethod* const np_method = method.GetInterfaceMethodIfProxy(pointer_size); |
| 552 | if (name == np_method->GetName() && signature == np_method->GetSignature()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 553 | return &method; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 554 | } |
| 555 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 556 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 557 | } |
| 558 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 559 | ArtMethod* Class::FindDeclaredVirtualMethod(ObjPtr<DexCache> dex_cache, |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 560 | uint32_t dex_method_idx, |
| 561 | PointerSize pointer_size) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 562 | if (GetDexCache() == dex_cache) { |
Alex Light | e64300b | 2015-12-15 15:02:47 -0800 | [diff] [blame] | 563 | for (auto& method : GetDeclaredVirtualMethods(pointer_size)) { |
| 564 | if (method.GetDexMethodIndex() == dex_method_idx) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 565 | return &method; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 566 | } |
| 567 | } |
| 568 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 569 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 570 | } |
| 571 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 572 | ArtMethod* Class::FindDeclaredVirtualMethodByName(const StringPiece& name, |
| 573 | PointerSize pointer_size) { |
Jeff Hao | 13e748b | 2015-08-25 20:44:19 +0000 | [diff] [blame] | 574 | for (auto& method : GetVirtualMethods(pointer_size)) { |
| 575 | ArtMethod* const np_method = method.GetInterfaceMethodIfProxy(pointer_size); |
| 576 | if (name == np_method->GetName()) { |
| 577 | return &method; |
| 578 | } |
| 579 | } |
| 580 | return nullptr; |
| 581 | } |
| 582 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 583 | ArtMethod* Class::FindVirtualMethod(const StringPiece& name, |
| 584 | const StringPiece& signature, |
| 585 | PointerSize pointer_size) { |
| 586 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 587 | ArtMethod* method = klass->FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 588 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 589 | return method; |
| 590 | } |
| 591 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 592 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 593 | } |
| 594 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 595 | ArtMethod* Class::FindVirtualMethod(const StringPiece& name, |
| 596 | const Signature& signature, |
| 597 | PointerSize pointer_size) { |
| 598 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 599 | ArtMethod* method = klass->FindDeclaredVirtualMethod(name, signature, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 600 | if (method != nullptr) { |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 601 | return method; |
| 602 | } |
| 603 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 604 | return nullptr; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 605 | } |
| 606 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 607 | ArtMethod* Class::FindVirtualMethod(ObjPtr<DexCache> dex_cache, |
| 608 | uint32_t dex_method_idx, |
| 609 | PointerSize pointer_size) { |
| 610 | for (ObjPtr<Class> klass = this; klass != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 611 | ArtMethod* method = klass->FindDeclaredVirtualMethod(dex_cache, dex_method_idx, pointer_size); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 612 | if (method != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 613 | return method; |
| 614 | } |
| 615 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 616 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 617 | } |
| 618 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 619 | ArtMethod* Class::FindVirtualMethodForInterfaceSuper(ArtMethod* method, PointerSize pointer_size) { |
Alex Light | 705ad49 | 2015-09-21 11:36:30 -0700 | [diff] [blame] | 620 | DCHECK(method->GetDeclaringClass()->IsInterface()); |
| 621 | DCHECK(IsInterface()) << "Should only be called on a interface class"; |
| 622 | // Check if we have one defined on this interface first. This includes searching copied ones to |
| 623 | // get any conflict methods. Conflict methods are copied into each subtype from the supertype. We |
| 624 | // don't do any indirect method checks here. |
| 625 | for (ArtMethod& iface_method : GetVirtualMethods(pointer_size)) { |
| 626 | if (method->HasSameNameAndSignature(&iface_method)) { |
| 627 | return &iface_method; |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | std::vector<ArtMethod*> abstract_methods; |
| 632 | // Search through the IFTable for a working version. We don't need to check for conflicts |
| 633 | // because if there was one it would appear in this classes virtual_methods_ above. |
| 634 | |
| 635 | Thread* self = Thread::Current(); |
| 636 | StackHandleScope<2> hs(self); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 637 | MutableHandle<IfTable> iftable(hs.NewHandle(GetIfTable())); |
| 638 | MutableHandle<Class> iface(hs.NewHandle<Class>(nullptr)); |
Alex Light | 705ad49 | 2015-09-21 11:36:30 -0700 | [diff] [blame] | 639 | size_t iftable_count = GetIfTableCount(); |
| 640 | // Find the method. We don't need to check for conflicts because they would have been in the |
| 641 | // copied virtuals of this interface. Order matters, traverse in reverse topological order; most |
| 642 | // subtypiest interfaces get visited first. |
| 643 | for (size_t k = iftable_count; k != 0;) { |
| 644 | k--; |
| 645 | DCHECK_LT(k, iftable->Count()); |
| 646 | iface.Assign(iftable->GetInterface(k)); |
| 647 | // Iterate through every declared method on this interface. Each direct method's name/signature |
| 648 | // is unique so the order of the inner loop doesn't matter. |
| 649 | for (auto& method_iter : iface->GetDeclaredVirtualMethods(pointer_size)) { |
| 650 | ArtMethod* current_method = &method_iter; |
| 651 | if (current_method->HasSameNameAndSignature(method)) { |
| 652 | if (current_method->IsDefault()) { |
| 653 | // Handle JLS soft errors, a default method from another superinterface tree can |
| 654 | // "override" an abstract method(s) from another superinterface tree(s). To do this, |
| 655 | // ignore any [default] method which are dominated by the abstract methods we've seen so |
| 656 | // far. Check if overridden by any in abstract_methods. We do not need to check for |
| 657 | // default_conflicts because we would hit those before we get to this loop. |
| 658 | bool overridden = false; |
| 659 | for (ArtMethod* possible_override : abstract_methods) { |
| 660 | DCHECK(possible_override->HasSameNameAndSignature(current_method)); |
| 661 | if (iface->IsAssignableFrom(possible_override->GetDeclaringClass())) { |
| 662 | overridden = true; |
| 663 | break; |
| 664 | } |
| 665 | } |
| 666 | if (!overridden) { |
| 667 | return current_method; |
| 668 | } |
| 669 | } else { |
| 670 | // Is not default. |
| 671 | // This might override another default method. Just stash it for now. |
| 672 | abstract_methods.push_back(current_method); |
| 673 | } |
| 674 | } |
| 675 | } |
| 676 | } |
| 677 | // If we reach here we either never found any declaration of the method (in which case |
| 678 | // 'abstract_methods' is empty or we found no non-overriden default methods in which case |
| 679 | // 'abstract_methods' contains a number of abstract implementations of the methods. We choose one |
| 680 | // of these arbitrarily. |
| 681 | return abstract_methods.empty() ? nullptr : abstract_methods[0]; |
| 682 | } |
| 683 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 684 | ArtMethod* Class::FindClassInitializer(PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 685 | for (ArtMethod& method : GetDirectMethods(pointer_size)) { |
| 686 | if (method.IsClassInitializer()) { |
| 687 | DCHECK_STREQ(method.GetName(), "<clinit>"); |
| 688 | DCHECK_STREQ(method.GetSignature().ToString().c_str(), "()V"); |
| 689 | return &method; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 690 | } |
| 691 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 692 | return nullptr; |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 693 | } |
| 694 | |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 695 | // Custom binary search to avoid double comparisons from std::binary_search. |
| 696 | static ArtField* FindFieldByNameAndType(LengthPrefixedArray<ArtField>* fields, |
| 697 | const StringPiece& name, |
| 698 | const StringPiece& type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 699 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 700 | if (fields == nullptr) { |
| 701 | return nullptr; |
| 702 | } |
| 703 | size_t low = 0; |
Vladimir Marko | 35831e8 | 2015-09-11 11:59:18 +0100 | [diff] [blame] | 704 | size_t high = fields->size(); |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 705 | ArtField* ret = nullptr; |
| 706 | while (low < high) { |
| 707 | size_t mid = (low + high) / 2; |
| 708 | ArtField& field = fields->At(mid); |
| 709 | // Fields are sorted by class, then name, then type descriptor. This is verified in dex file |
| 710 | // verifier. There can be multiple fields with the same in the same class name due to proguard. |
| 711 | int result = StringPiece(field.GetName()).Compare(name); |
| 712 | if (result == 0) { |
| 713 | result = StringPiece(field.GetTypeDescriptor()).Compare(type); |
| 714 | } |
| 715 | if (result < 0) { |
| 716 | low = mid + 1; |
| 717 | } else if (result > 0) { |
| 718 | high = mid; |
| 719 | } else { |
| 720 | ret = &field; |
| 721 | break; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 722 | } |
| 723 | } |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 724 | if (kIsDebugBuild) { |
| 725 | ArtField* found = nullptr; |
| 726 | for (ArtField& field : MakeIterationRangeFromLengthPrefixedArray(fields)) { |
| 727 | if (name == field.GetName() && type == field.GetTypeDescriptor()) { |
| 728 | found = &field; |
| 729 | break; |
| 730 | } |
| 731 | } |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 732 | CHECK_EQ(found, ret) << "Found " << found->PrettyField() << " vs " << ret->PrettyField(); |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 733 | } |
| 734 | return ret; |
| 735 | } |
| 736 | |
| 737 | ArtField* Class::FindDeclaredInstanceField(const StringPiece& name, const StringPiece& type) { |
| 738 | // Binary search by name. Interfaces are not relevant because they can't contain instance fields. |
| 739 | return FindFieldByNameAndType(GetIFieldsPtr(), name, type); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 740 | } |
| 741 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 742 | ArtField* Class::FindDeclaredInstanceField(ObjPtr<DexCache> dex_cache, uint32_t dex_field_idx) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 743 | if (GetDexCache() == dex_cache) { |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 744 | for (ArtField& field : GetIFields()) { |
| 745 | if (field.GetDexFieldIndex() == dex_field_idx) { |
| 746 | return &field; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 747 | } |
| 748 | } |
| 749 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 750 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 751 | } |
| 752 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 753 | ArtField* Class::FindInstanceField(const StringPiece& name, const StringPiece& type) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 754 | // Is the field in this class, or any of its superclasses? |
| 755 | // Interfaces are not relevant because they can't contain instance fields. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 756 | for (ObjPtr<Class> c = this; c != nullptr; c = c->GetSuperClass()) { |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 757 | ArtField* f = c->FindDeclaredInstanceField(name, type); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 758 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 759 | return f; |
| 760 | } |
| 761 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 762 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 763 | } |
| 764 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 765 | ArtField* Class::FindInstanceField(ObjPtr<DexCache> dex_cache, uint32_t dex_field_idx) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 766 | // Is the field in this class, or any of its superclasses? |
| 767 | // Interfaces are not relevant because they can't contain instance fields. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 768 | for (ObjPtr<Class> c = this; c != nullptr; c = c->GetSuperClass()) { |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 769 | ArtField* f = c->FindDeclaredInstanceField(dex_cache, dex_field_idx); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 770 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 771 | return f; |
| 772 | } |
| 773 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 774 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 775 | } |
| 776 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 777 | ArtField* Class::FindDeclaredStaticField(const StringPiece& name, const StringPiece& type) { |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 778 | DCHECK(type != nullptr); |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 779 | return FindFieldByNameAndType(GetSFieldsPtr(), name, type); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 780 | } |
| 781 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 782 | ArtField* Class::FindDeclaredStaticField(ObjPtr<DexCache> dex_cache, uint32_t dex_field_idx) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 783 | if (dex_cache == GetDexCache()) { |
Mathieu Chartier | e2aa326 | 2015-10-20 18:30:03 -0700 | [diff] [blame] | 784 | for (ArtField& field : GetSFields()) { |
| 785 | if (field.GetDexFieldIndex() == dex_field_idx) { |
| 786 | return &field; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 787 | } |
| 788 | } |
| 789 | } |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 790 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 791 | } |
| 792 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 793 | ArtField* Class::FindStaticField(Thread* self, |
| 794 | Handle<Class> klass, |
| 795 | const StringPiece& name, |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 796 | const StringPiece& type) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 797 | // Is the field in this class (or its interfaces), or any of its |
| 798 | // superclasses (or their interfaces)? |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 799 | for (ObjPtr<Class> k = klass.Get(); k != nullptr; k = k->GetSuperClass()) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 800 | // Is the field in this class? |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 801 | ArtField* f = k->FindDeclaredStaticField(name, type); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 802 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 803 | return f; |
| 804 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 805 | // Wrap k incase it moves during GetDirectInterface. |
| 806 | StackHandleScope<1> hs(self); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 807 | HandleWrapperObjPtr<Class> h_k(hs.NewHandleWrapper(&k)); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 808 | // Is this field in any of this class' interfaces? |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 809 | for (uint32_t i = 0; i < h_k->NumDirectInterfaces(); ++i) { |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 810 | StackHandleScope<1> hs2(self); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 811 | Handle<Class> interface(hs2.NewHandle(GetDirectInterface(self, h_k, i))); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 812 | f = FindStaticField(self, interface, name, type); |
| 813 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 814 | return f; |
| 815 | } |
| 816 | } |
| 817 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 818 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 819 | } |
| 820 | |
Vladimir Marko | bb268b1 | 2016-06-30 15:52:56 +0100 | [diff] [blame] | 821 | ArtField* Class::FindStaticField(Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 822 | ObjPtr<Class> klass, |
| 823 | ObjPtr<DexCache> dex_cache, |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 824 | uint32_t dex_field_idx) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 825 | for (ObjPtr<Class> k = klass; k != nullptr; k = k->GetSuperClass()) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 826 | // Is the field in this class? |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 827 | ArtField* f = k->FindDeclaredStaticField(dex_cache, dex_field_idx); |
Brian Carlstrom | 004644f | 2014-06-18 08:34:01 -0700 | [diff] [blame] | 828 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 829 | return f; |
| 830 | } |
Vladimir Marko | bb268b1 | 2016-06-30 15:52:56 +0100 | [diff] [blame] | 831 | // Though GetDirectInterface() should not cause thread suspension when called |
| 832 | // 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] | 833 | ScopedAssertNoThreadSuspension ants(__FUNCTION__); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 834 | StackHandleScope<1> hs(self); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 835 | Handle<Class> h_k(hs.NewHandle(k)); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 836 | // Is this field in any of this class' interfaces? |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 837 | for (uint32_t i = 0; i < h_k->NumDirectInterfaces(); ++i) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 838 | ObjPtr<Class> interface = GetDirectInterface(self, h_k, i); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 839 | f = FindStaticField(self, interface, dex_cache, dex_field_idx); |
| 840 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 841 | return f; |
| 842 | } |
| 843 | } |
| 844 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 845 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 846 | } |
| 847 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 848 | ArtField* Class::FindField(Thread* self, |
| 849 | Handle<Class> klass, |
| 850 | const StringPiece& name, |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 851 | const StringPiece& type) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 852 | // Find a field using the JLS field resolution order |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 853 | for (ObjPtr<Class> k = klass.Get(); k != nullptr; k = k->GetSuperClass()) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 854 | // Is the field in this class? |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 855 | ArtField* f = k->FindDeclaredInstanceField(name, type); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 856 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 857 | return f; |
| 858 | } |
| 859 | f = k->FindDeclaredStaticField(name, type); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 860 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 861 | return f; |
| 862 | } |
| 863 | // Is this field in any of this class' interfaces? |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 864 | StackHandleScope<1> hs(self); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 865 | HandleWrapperObjPtr<Class> h_k(hs.NewHandleWrapper(&k)); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 866 | for (uint32_t i = 0; i < h_k->NumDirectInterfaces(); ++i) { |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 867 | StackHandleScope<1> hs2(self); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 868 | Handle<Class> interface(hs2.NewHandle(GetDirectInterface(self, h_k, i))); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 869 | f = interface->FindStaticField(self, interface, name, type); |
| 870 | if (f != nullptr) { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 871 | return f; |
| 872 | } |
| 873 | } |
| 874 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 875 | return nullptr; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 876 | } |
| 877 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 878 | void Class::SetSkipAccessChecksFlagOnAllMethods(PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 879 | DCHECK(IsVerified()); |
Alex Light | e64300b | 2015-12-15 15:02:47 -0800 | [diff] [blame] | 880 | for (auto& m : GetMethods(pointer_size)) { |
Alex Light | 9139e00 | 2015-10-09 15:59:48 -0700 | [diff] [blame] | 881 | if (!m.IsNative() && m.IsInvokable()) { |
Igor Murashkin | df707e4 | 2016-02-02 16:56:50 -0800 | [diff] [blame] | 882 | m.SetSkipAccessChecks(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 883 | } |
| 884 | } |
Sebastien Hertz | 233ea8e | 2013-06-06 11:57:09 +0200 | [diff] [blame] | 885 | } |
| 886 | |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 887 | const char* Class::GetDescriptor(std::string* storage) { |
| 888 | if (IsPrimitive()) { |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 889 | return Primitive::Descriptor(GetPrimitiveType()); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 890 | } else if (IsArrayClass()) { |
| 891 | return GetArrayDescriptor(storage); |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 892 | } else if (IsProxyClass()) { |
| 893 | *storage = Runtime::Current()->GetClassLinker()->GetDescriptorForProxy(this); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 894 | return storage->c_str(); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 895 | } else { |
| 896 | const DexFile& dex_file = GetDexFile(); |
| 897 | const DexFile::TypeId& type_id = dex_file.GetTypeId(GetClassDef()->class_idx_); |
| 898 | return dex_file.GetTypeDescriptor(type_id); |
| 899 | } |
| 900 | } |
| 901 | |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 902 | const char* Class::GetArrayDescriptor(std::string* storage) { |
| 903 | std::string temp; |
| 904 | const char* elem_desc = GetComponentType()->GetDescriptor(&temp); |
| 905 | *storage = "["; |
| 906 | *storage += elem_desc; |
| 907 | return storage->c_str(); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 908 | } |
| 909 | |
| 910 | const DexFile::ClassDef* Class::GetClassDef() { |
| 911 | uint16_t class_def_idx = GetDexClassDefIndex(); |
| 912 | if (class_def_idx == DexFile::kDexNoIndex16) { |
| 913 | return nullptr; |
| 914 | } |
| 915 | return &GetDexFile().GetClassDef(class_def_idx); |
| 916 | } |
| 917 | |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 918 | uint16_t Class::GetDirectInterfaceTypeIdx(uint32_t idx) { |
| 919 | DCHECK(!IsPrimitive()); |
| 920 | DCHECK(!IsArrayClass()); |
| 921 | return GetInterfaceTypeList()->GetTypeItem(idx).type_idx_; |
| 922 | } |
| 923 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 924 | ObjPtr<Class> Class::GetDirectInterface(Thread* self, |
| 925 | Handle<Class> klass, |
| 926 | uint32_t idx) { |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 927 | DCHECK(klass.Get() != nullptr); |
| 928 | DCHECK(!klass->IsPrimitive()); |
| 929 | if (klass->IsArrayClass()) { |
| 930 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 931 | if (idx == 0) { |
| 932 | return class_linker->FindSystemClass(self, "Ljava/lang/Cloneable;"); |
| 933 | } else { |
| 934 | DCHECK_EQ(1U, idx); |
| 935 | return class_linker->FindSystemClass(self, "Ljava/io/Serializable;"); |
| 936 | } |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 937 | } else if (klass->IsProxyClass()) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 938 | ObjPtr<ObjectArray<Class>> interfaces = klass.Get()->GetInterfaces(); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 939 | DCHECK(interfaces != nullptr); |
| 940 | return interfaces->Get(idx); |
| 941 | } else { |
| 942 | uint16_t type_idx = klass->GetDirectInterfaceTypeIdx(idx); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 943 | ObjPtr<Class> interface = klass->GetDexCache()->GetResolvedType(type_idx); |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 944 | if (interface == nullptr) { |
| 945 | interface = Runtime::Current()->GetClassLinker()->ResolveType(klass->GetDexFile(), type_idx, |
| 946 | klass.Get()); |
| 947 | CHECK(interface != nullptr || self->IsExceptionPending()); |
| 948 | } |
| 949 | return interface; |
| 950 | } |
| 951 | } |
| 952 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 953 | ObjPtr<Class> Class::GetCommonSuperClass(Handle<Class> klass) { |
Calin Juravle | 52503d8 | 2015-11-11 16:58:31 +0000 | [diff] [blame] | 954 | DCHECK(klass.Get() != nullptr); |
| 955 | DCHECK(!klass->IsInterface()); |
| 956 | DCHECK(!IsInterface()); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 957 | ObjPtr<Class> common_super_class = this; |
Calin Juravle | 52503d8 | 2015-11-11 16:58:31 +0000 | [diff] [blame] | 958 | while (!common_super_class->IsAssignableFrom(klass.Get())) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 959 | ObjPtr<Class> old_common = common_super_class; |
Aart Bik | 22deed0 | 2016-04-04 14:19:01 -0700 | [diff] [blame] | 960 | common_super_class = old_common->GetSuperClass(); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 961 | DCHECK(common_super_class != nullptr) << old_common->PrettyClass(); |
Calin Juravle | 52503d8 | 2015-11-11 16:58:31 +0000 | [diff] [blame] | 962 | } |
Calin Juravle | 52503d8 | 2015-11-11 16:58:31 +0000 | [diff] [blame] | 963 | return common_super_class; |
| 964 | } |
| 965 | |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 966 | const char* Class::GetSourceFile() { |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 967 | const DexFile& dex_file = GetDexFile(); |
| 968 | const DexFile::ClassDef* dex_class_def = GetClassDef(); |
Sebastien Hertz | 4206eb5 | 2014-06-05 10:15:45 +0200 | [diff] [blame] | 969 | if (dex_class_def == nullptr) { |
| 970 | // Generated classes have no class def. |
| 971 | return nullptr; |
| 972 | } |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 973 | return dex_file.GetSourceFile(*dex_class_def); |
| 974 | } |
| 975 | |
| 976 | std::string Class::GetLocation() { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 977 | ObjPtr<DexCache> dex_cache = GetDexCache(); |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 978 | if (dex_cache != nullptr && !IsProxyClass()) { |
Mathieu Chartier | f832284 | 2014-05-16 10:59:25 -0700 | [diff] [blame] | 979 | return dex_cache->GetLocation()->ToModifiedUtf8(); |
| 980 | } |
| 981 | // Arrays and proxies are generated and have no corresponding dex file location. |
| 982 | return "generated class"; |
| 983 | } |
| 984 | |
| 985 | const DexFile::TypeList* Class::GetInterfaceTypeList() { |
| 986 | const DexFile::ClassDef* class_def = GetClassDef(); |
| 987 | if (class_def == nullptr) { |
| 988 | return nullptr; |
| 989 | } |
| 990 | return GetDexFile().GetInterfacesList(*class_def); |
| 991 | } |
| 992 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 993 | void Class::PopulateEmbeddedVTable(PointerSize pointer_size) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 994 | PointerArray* table = GetVTableDuringLinking(); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 995 | CHECK(table != nullptr) << PrettyClass(); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 996 | const size_t table_length = table->GetLength(); |
| 997 | SetEmbeddedVTableLength(table_length); |
| 998 | for (size_t i = 0; i < table_length; i++) { |
| 999 | SetEmbeddedVTableEntry(i, table->GetElementPtrSize<ArtMethod*>(i, pointer_size), pointer_size); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1000 | } |
Mingyao Yang | 2cdbad7 | 2014-07-16 10:44:41 -0700 | [diff] [blame] | 1001 | // Keep java.lang.Object class's vtable around for since it's easier |
| 1002 | // to be reused by array classes during their linking. |
| 1003 | if (!IsObjectClass()) { |
| 1004 | SetVTable(nullptr); |
| 1005 | } |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1006 | } |
| 1007 | |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1008 | class ReadBarrierOnNativeRootsVisitor { |
| 1009 | public: |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1010 | void operator()(ObjPtr<Object> obj ATTRIBUTE_UNUSED, |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1011 | MemberOffset offset ATTRIBUTE_UNUSED, |
| 1012 | bool is_static ATTRIBUTE_UNUSED) const {} |
| 1013 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1014 | void VisitRootIfNonNull(CompressedReference<Object>* root) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1015 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1016 | if (!root->IsNull()) { |
| 1017 | VisitRoot(root); |
| 1018 | } |
| 1019 | } |
| 1020 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1021 | void VisitRoot(CompressedReference<Object>* root) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1022 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1023 | ObjPtr<Object> old_ref = root->AsMirrorPtr(); |
| 1024 | ObjPtr<Object> new_ref = ReadBarrier::BarrierForRoot(root); |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1025 | if (old_ref != new_ref) { |
| 1026 | // Update the field atomically. This may fail if mutator updates before us, but it's ok. |
| 1027 | auto* atomic_root = |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1028 | reinterpret_cast<Atomic<CompressedReference<Object>>*>(root); |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1029 | atomic_root->CompareExchangeStrongSequentiallyConsistent( |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1030 | CompressedReference<Object>::FromMirrorPtr(old_ref.Ptr()), |
| 1031 | CompressedReference<Object>::FromMirrorPtr(new_ref.Ptr())); |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1032 | } |
| 1033 | } |
| 1034 | }; |
| 1035 | |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1036 | // The pre-fence visitor for Class::CopyOf(). |
| 1037 | class CopyClassVisitor { |
| 1038 | public: |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1039 | CopyClassVisitor(Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1040 | Handle<Class>* orig, |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1041 | size_t new_length, |
| 1042 | size_t copy_bytes, |
| 1043 | ImTable* imt, |
| 1044 | PointerSize pointer_size) |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1045 | : self_(self), orig_(orig), new_length_(new_length), |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1046 | copy_bytes_(copy_bytes), imt_(imt), pointer_size_(pointer_size) { |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1047 | } |
| 1048 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1049 | void operator()(ObjPtr<Object> obj, size_t usable_size ATTRIBUTE_UNUSED) const |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1050 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 1051 | StackHandleScope<1> hs(self_); |
| 1052 | Handle<mirror::Class> h_new_class_obj(hs.NewHandle(obj->AsClass())); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1053 | Object::CopyObject(h_new_class_obj.Get(), orig_->Get(), copy_bytes_); |
| 1054 | Class::SetStatus(h_new_class_obj, Class::kStatusResolving, self_); |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1055 | h_new_class_obj->PopulateEmbeddedVTable(pointer_size_); |
| 1056 | h_new_class_obj->SetImt(imt_, pointer_size_); |
Hiroshi Yamauchi | 5b783e6 | 2015-03-18 17:20:11 -0700 | [diff] [blame] | 1057 | h_new_class_obj->SetClassSize(new_length_); |
Mathieu Chartier | 3ee25bb | 2015-08-10 10:13:02 -0700 | [diff] [blame] | 1058 | // Visit all of the references to make sure there is no from space references in the native |
| 1059 | // roots. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1060 | ObjPtr<Object>(h_new_class_obj.Get())->VisitReferences( |
Mathieu Chartier | 059ef3d | 2015-08-18 13:54:21 -0700 | [diff] [blame] | 1061 | ReadBarrierOnNativeRootsVisitor(), VoidFunctor()); |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1062 | } |
| 1063 | |
| 1064 | private: |
| 1065 | Thread* const self_; |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1066 | Handle<Class>* const orig_; |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1067 | const size_t new_length_; |
| 1068 | const size_t copy_bytes_; |
Artem Udovichenko | a62cb9b | 2016-06-30 09:18:25 +0000 | [diff] [blame] | 1069 | ImTable* imt_; |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1070 | const PointerSize pointer_size_; |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1071 | DISALLOW_COPY_AND_ASSIGN(CopyClassVisitor); |
| 1072 | }; |
| 1073 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1074 | 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] | 1075 | DCHECK_GE(new_length, static_cast<int32_t>(sizeof(Class))); |
| 1076 | // We may get copied by a compacting GC. |
| 1077 | StackHandleScope<1> hs(self); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1078 | Handle<Class> h_this(hs.NewHandle(this)); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1079 | gc::Heap* heap = Runtime::Current()->GetHeap(); |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1080 | // The num_bytes (3rd param) is sizeof(Class) as opposed to SizeOf() |
| 1081 | // to skip copying the tail part that we will overwrite here. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1082 | CopyClassVisitor visitor(self, &h_this, new_length, sizeof(Class), imt, pointer_size); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1083 | ObjPtr<Object> new_class = kMovingClasses ? |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1084 | heap->AllocObject<true>(self, java_lang_Class_.Read(), new_length, visitor) : |
| 1085 | heap->AllocNonMovableObject<true>(self, java_lang_Class_.Read(), new_length, visitor); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1086 | if (UNLIKELY(new_class == nullptr)) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1087 | self->AssertPendingOOMException(); |
Mathieu Chartier | 2d2621a | 2014-10-23 16:48:06 -0700 | [diff] [blame] | 1088 | return nullptr; |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1089 | } |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 1090 | return new_class->AsClass(); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 1091 | } |
| 1092 | |
Nicolas Geoffray | 3a09092 | 2015-11-24 09:17:30 +0000 | [diff] [blame] | 1093 | bool Class::ProxyDescriptorEquals(const char* match) { |
| 1094 | DCHECK(IsProxyClass()); |
| 1095 | return Runtime::Current()->GetClassLinker()->GetDescriptorForProxy(this) == match; |
Vladimir Marko | 3481ba2 | 2015-04-13 12:22:36 +0100 | [diff] [blame] | 1096 | } |
| 1097 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1098 | // TODO: Move this to java_lang_Class.cc? |
| 1099 | ArtMethod* Class::GetDeclaredConstructor( |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1100 | Thread* self, Handle<ObjectArray<Class>> args, PointerSize pointer_size) { |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1101 | for (auto& m : GetDirectMethods(pointer_size)) { |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 1102 | // Skip <clinit> which is a static constructor, as well as non constructors. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1103 | if (m.IsStatic() || !m.IsConstructor()) { |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 1104 | continue; |
| 1105 | } |
| 1106 | // May cause thread suspension and exceptions. |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1107 | if (m.GetInterfaceMethodIfProxy(kRuntimePointerSize)->EqualParameters(args)) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1108 | return &m; |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 1109 | } |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1110 | if (UNLIKELY(self->IsExceptionPending())) { |
Mathieu Chartier | fc58af4 | 2015-04-16 18:00:39 -0700 | [diff] [blame] | 1111 | return nullptr; |
| 1112 | } |
| 1113 | } |
| 1114 | return nullptr; |
| 1115 | } |
| 1116 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1117 | uint32_t Class::Depth() { |
| 1118 | uint32_t depth = 0; |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1119 | for (ObjPtr<Class> klass = this; klass->GetSuperClass() != nullptr; klass = klass->GetSuperClass()) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1120 | depth++; |
| 1121 | } |
| 1122 | return depth; |
| 1123 | } |
| 1124 | |
Nicolas Geoffray | e4084a5 | 2016-02-18 14:43:42 +0000 | [diff] [blame] | 1125 | uint32_t Class::FindTypeIndexInOtherDexFile(const DexFile& dex_file) { |
| 1126 | std::string temp; |
| 1127 | const DexFile::TypeId* type_id = dex_file.FindTypeId(GetDescriptor(&temp)); |
| 1128 | return (type_id == nullptr) ? DexFile::kDexNoIndex : dex_file.GetIndexForTypeId(*type_id); |
| 1129 | } |
| 1130 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1131 | template <PointerSize kPointerSize, bool kTransactionActive> |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1132 | ObjPtr<Method> Class::GetDeclaredMethodInternal( |
| 1133 | Thread* self, |
| 1134 | ObjPtr<Class> klass, |
| 1135 | ObjPtr<String> name, |
| 1136 | ObjPtr<ObjectArray<Class>> args) { |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1137 | // Covariant return types permit the class to define multiple |
| 1138 | // methods with the same name and parameter types. Prefer to |
| 1139 | // return a non-synthetic method in such situations. We may |
| 1140 | // still return a synthetic method to handle situations like |
| 1141 | // escalated visibility. We never return miranda methods that |
| 1142 | // were synthesized by the runtime. |
| 1143 | constexpr uint32_t kSkipModifiers = kAccMiranda | kAccSynthetic; |
| 1144 | StackHandleScope<3> hs(self); |
| 1145 | auto h_method_name = hs.NewHandle(name); |
| 1146 | if (UNLIKELY(h_method_name.Get() == nullptr)) { |
| 1147 | ThrowNullPointerException("name == null"); |
| 1148 | return nullptr; |
| 1149 | } |
| 1150 | auto h_args = hs.NewHandle(args); |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1151 | Handle<Class> h_klass = hs.NewHandle(klass); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1152 | ArtMethod* result = nullptr; |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1153 | for (auto& m : h_klass->GetDeclaredVirtualMethods(kPointerSize)) { |
| 1154 | auto* np_method = m.GetInterfaceMethodIfProxy(kPointerSize); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1155 | // May cause thread suspension. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1156 | ObjPtr<String> np_name = np_method->GetNameAsString(self); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1157 | if (!np_name->Equals(h_method_name.Get()) || !np_method->EqualParameters(h_args)) { |
| 1158 | if (UNLIKELY(self->IsExceptionPending())) { |
| 1159 | return nullptr; |
| 1160 | } |
| 1161 | continue; |
| 1162 | } |
| 1163 | auto modifiers = m.GetAccessFlags(); |
| 1164 | if ((modifiers & kSkipModifiers) == 0) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1165 | return Method::CreateFromArtMethod<kPointerSize, kTransactionActive>(self, &m); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1166 | } |
| 1167 | if ((modifiers & kAccMiranda) == 0) { |
| 1168 | result = &m; // Remember as potential result if it's not a miranda method. |
| 1169 | } |
| 1170 | } |
| 1171 | if (result == nullptr) { |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1172 | for (auto& m : h_klass->GetDirectMethods(kPointerSize)) { |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1173 | auto modifiers = m.GetAccessFlags(); |
| 1174 | if ((modifiers & kAccConstructor) != 0) { |
| 1175 | continue; |
| 1176 | } |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1177 | auto* np_method = m.GetInterfaceMethodIfProxy(kPointerSize); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1178 | // May cause thread suspension. |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1179 | ObjPtr<String> np_name = np_method->GetNameAsString(self); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1180 | if (np_name == nullptr) { |
| 1181 | self->AssertPendingException(); |
| 1182 | return nullptr; |
| 1183 | } |
| 1184 | if (!np_name->Equals(h_method_name.Get()) || !np_method->EqualParameters(h_args)) { |
| 1185 | if (UNLIKELY(self->IsExceptionPending())) { |
| 1186 | return nullptr; |
| 1187 | } |
| 1188 | continue; |
| 1189 | } |
| 1190 | if ((modifiers & kSkipModifiers) == 0) { |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1191 | return Method::CreateFromArtMethod<kPointerSize, kTransactionActive>(self, &m); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1192 | } |
| 1193 | // Direct methods cannot be miranda methods, so this potential result must be synthetic. |
| 1194 | result = &m; |
| 1195 | } |
| 1196 | } |
| 1197 | return result != nullptr |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1198 | ? Method::CreateFromArtMethod<kPointerSize, kTransactionActive>(self, result) |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1199 | : nullptr; |
| 1200 | } |
| 1201 | |
| 1202 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1203 | ObjPtr<Method> Class::GetDeclaredMethodInternal<PointerSize::k32, false>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1204 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1205 | ObjPtr<Class> klass, |
| 1206 | ObjPtr<String> name, |
| 1207 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1208 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1209 | ObjPtr<Method> Class::GetDeclaredMethodInternal<PointerSize::k32, true>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1210 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1211 | ObjPtr<Class> klass, |
| 1212 | ObjPtr<String> name, |
| 1213 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1214 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1215 | ObjPtr<Method> Class::GetDeclaredMethodInternal<PointerSize::k64, false>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1216 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1217 | ObjPtr<Class> klass, |
| 1218 | ObjPtr<String> name, |
| 1219 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1220 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1221 | ObjPtr<Method> Class::GetDeclaredMethodInternal<PointerSize::k64, true>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1222 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1223 | ObjPtr<Class> klass, |
| 1224 | ObjPtr<String> name, |
| 1225 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | bc4d218 | 2016-02-22 10:03:12 -0800 | [diff] [blame] | 1226 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1227 | template <PointerSize kPointerSize, bool kTransactionActive> |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1228 | ObjPtr<Constructor> Class::GetDeclaredConstructorInternal( |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1229 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1230 | ObjPtr<Class> klass, |
| 1231 | ObjPtr<ObjectArray<Class>> args) { |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1232 | StackHandleScope<1> hs(self); |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1233 | ArtMethod* result = klass->GetDeclaredConstructor(self, hs.NewHandle(args), kPointerSize); |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1234 | return result != nullptr |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1235 | ? Constructor::CreateFromArtMethod<kPointerSize, kTransactionActive>(self, result) |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1236 | : nullptr; |
| 1237 | } |
| 1238 | |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1239 | // Constructor::CreateFromArtMethod<kTransactionActive>(self, result) |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1240 | |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1241 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1242 | ObjPtr<Constructor> Class::GetDeclaredConstructorInternal<PointerSize::k32, false>( |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1243 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1244 | ObjPtr<Class> klass, |
| 1245 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1246 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1247 | ObjPtr<Constructor> Class::GetDeclaredConstructorInternal<PointerSize::k32, true>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1248 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1249 | ObjPtr<Class> klass, |
| 1250 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1251 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1252 | ObjPtr<Constructor> Class::GetDeclaredConstructorInternal<PointerSize::k64, false>( |
Andreas Gampe | e01e364 | 2016-07-25 13:06:04 -0700 | [diff] [blame] | 1253 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1254 | ObjPtr<Class> klass, |
| 1255 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 1256 | template |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1257 | ObjPtr<Constructor> Class::GetDeclaredConstructorInternal<PointerSize::k64, true>( |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1258 | Thread* self, |
Mathieu Chartier | 28bd2e4 | 2016-10-04 13:54:57 -0700 | [diff] [blame] | 1259 | ObjPtr<Class> klass, |
| 1260 | ObjPtr<ObjectArray<Class>> args); |
Andreas Gampe | 6039e56 | 2016-04-05 18:18:43 -0700 | [diff] [blame] | 1261 | |
Andreas Gampe | 715fdc2 | 2016-04-18 17:07:30 -0700 | [diff] [blame] | 1262 | int32_t Class::GetInnerClassFlags(Handle<Class> h_this, int32_t default_value) { |
| 1263 | if (h_this->IsProxyClass() || h_this->GetDexCache() == nullptr) { |
| 1264 | return default_value; |
| 1265 | } |
| 1266 | uint32_t flags; |
David Sehr | 9323e6e | 2016-09-13 08:58:35 -0700 | [diff] [blame] | 1267 | if (!annotations::GetInnerClassFlags(h_this, &flags)) { |
Andreas Gampe | 715fdc2 | 2016-04-18 17:07:30 -0700 | [diff] [blame] | 1268 | return default_value; |
| 1269 | } |
| 1270 | return flags; |
| 1271 | } |
| 1272 | |
Mathieu Chartier | 93bbee0 | 2016-08-31 09:38:40 -0700 | [diff] [blame] | 1273 | void Class::SetObjectSizeAllocFastPath(uint32_t new_object_size) { |
| 1274 | if (Runtime::Current()->IsActiveTransaction()) { |
| 1275 | SetField32Volatile<true>(ObjectSizeAllocFastPathOffset(), new_object_size); |
| 1276 | } else { |
| 1277 | SetField32Volatile<false>(ObjectSizeAllocFastPathOffset(), new_object_size); |
| 1278 | } |
| 1279 | } |
| 1280 | |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 1281 | std::string Class::PrettyDescriptor(ObjPtr<mirror::Class> klass) { |
| 1282 | if (klass == nullptr) { |
| 1283 | return "null"; |
| 1284 | } |
| 1285 | return klass->PrettyDescriptor(); |
| 1286 | } |
| 1287 | |
| 1288 | std::string Class::PrettyDescriptor() { |
| 1289 | std::string temp; |
| 1290 | return art::PrettyDescriptor(GetDescriptor(&temp)); |
| 1291 | } |
| 1292 | |
| 1293 | std::string Class::PrettyClass(ObjPtr<mirror::Class> c) { |
| 1294 | if (c == nullptr) { |
| 1295 | return "null"; |
| 1296 | } |
| 1297 | return c->PrettyClass(); |
| 1298 | } |
| 1299 | |
| 1300 | std::string Class::PrettyClass() { |
| 1301 | std::string result; |
| 1302 | result += "java.lang.Class<"; |
| 1303 | result += PrettyDescriptor(); |
| 1304 | result += ">"; |
| 1305 | return result; |
| 1306 | } |
| 1307 | |
| 1308 | std::string Class::PrettyClassAndClassLoader(ObjPtr<mirror::Class> c) { |
| 1309 | if (c == nullptr) { |
| 1310 | return "null"; |
| 1311 | } |
| 1312 | return c->PrettyClassAndClassLoader(); |
| 1313 | } |
| 1314 | |
| 1315 | std::string Class::PrettyClassAndClassLoader() { |
| 1316 | std::string result; |
| 1317 | result += "java.lang.Class<"; |
| 1318 | result += PrettyDescriptor(); |
| 1319 | result += ","; |
| 1320 | result += mirror::Object::PrettyTypeOf(GetClassLoader()); |
| 1321 | // TODO: add an identifying hash value for the loader |
| 1322 | result += ">"; |
| 1323 | return result; |
| 1324 | } |
| 1325 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 1326 | } // namespace mirror |
| 1327 | } // namespace art |