Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 1 | // Copyright 2011 Google Inc. All Rights Reserved. |
| 2 | |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 3 | #include "object.h" |
| 4 | |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 5 | #include <string.h> |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 6 | #include <algorithm> |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 7 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 8 | #include "class_linker.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 9 | #include "globals.h" |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 10 | #include "heap.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 11 | #include "logging.h" |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 12 | #include "dex_cache.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 13 | #include "dex_file.h" |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 14 | |
| 15 | namespace art { |
| 16 | |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 17 | const std::vector<const DexFile*>& ClassLoader::GetClassPath(const ClassLoader* class_loader) { |
| 18 | if (class_loader == NULL) { |
| 19 | return Runtime::Current()->GetClassLinker()->GetBootClassPath(); |
| 20 | } |
| 21 | return class_loader->class_path_; |
| 22 | } |
| 23 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 24 | Array* Array::Alloc(Class* array_class, int32_t component_count, size_t component_size) { |
| 25 | DCHECK_GE(component_count, 0); |
| 26 | DCHECK(array_class->IsArrayClass()); |
| 27 | size_t size = SizeOf(component_count, component_size); |
| 28 | Array* array = down_cast<Array*>(Heap::AllocObject(array_class, size)); |
| 29 | if (array != NULL) { |
| 30 | DCHECK(array->IsArrayInstance()); |
| 31 | array->SetLength(component_count); |
| 32 | } |
| 33 | return array; |
| 34 | } |
| 35 | |
| 36 | Array* Array::Alloc(Class* array_class, int32_t component_count) { |
Elliott Hughes | 68f4fa0 | 2011-08-21 10:46:59 -0700 | [diff] [blame] | 37 | return Alloc(array_class, component_count, array_class->GetComponentSize()); |
| 38 | } |
| 39 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 40 | Array* Array::AllocFromCode(uint32_t type_idx, Method* method, int32_t component_count) { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 41 | // TODO: throw on negative component_count |
| 42 | Class* klass = method->dex_cache_resolved_types_->Get(type_idx); |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 43 | if (klass == NULL) { |
| 44 | klass = Runtime::Current()->GetClassLinker()->ResolveType(type_idx, method); |
| 45 | if (klass == NULL || !klass->IsArrayClass()) { |
| 46 | UNIMPLEMENTED(FATAL) << "throw an error"; |
| 47 | return NULL; |
| 48 | } |
| 49 | } |
| 50 | return Array::Alloc(klass, component_count); |
| 51 | } |
| 52 | |
| 53 | Object* Class::NewInstanceFromCode(uint32_t type_idx, Method* method) { |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 54 | Class* klass = method->dex_cache_resolved_types_->Get(type_idx); |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 55 | if (klass == NULL) { |
| 56 | klass = Runtime::Current()->GetClassLinker()->ResolveType(type_idx, method); |
| 57 | if (klass == NULL) { |
| 58 | UNIMPLEMENTED(FATAL) << "throw an error"; |
| 59 | return NULL; |
| 60 | } |
| 61 | } |
| 62 | return klass->NewInstance(); |
| 63 | } |
| 64 | |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 65 | bool Class::Implements(const Class* klass) const { |
| 66 | DCHECK(klass != NULL); |
| 67 | DCHECK(klass->IsInterface()); |
| 68 | // All interfaces implemented directly and by our superclass, and |
| 69 | // recursively all super-interfaces of those interfaces, are listed |
| 70 | // in iftable_, so we can just do a linear scan through that. |
| 71 | for (size_t i = 0; i < iftable_count_; i++) { |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 72 | if (iftable_[i].GetInterface() == klass) { |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 73 | return true; |
| 74 | } |
| 75 | } |
| 76 | return false; |
| 77 | } |
| 78 | |
| 79 | // Determine whether "this" is assignable from "klazz", where both of these |
| 80 | // are array classes. |
| 81 | // |
| 82 | // Consider an array class, e.g. Y[][], where Y is a subclass of X. |
| 83 | // Y[][] = Y[][] --> true (identity) |
| 84 | // X[][] = Y[][] --> true (element superclass) |
| 85 | // Y = Y[][] --> false |
| 86 | // Y[] = Y[][] --> false |
| 87 | // Object = Y[][] --> true (everything is an object) |
| 88 | // Object[] = Y[][] --> true |
| 89 | // Object[][] = Y[][] --> true |
| 90 | // Object[][][] = Y[][] --> false (too many []s) |
| 91 | // Serializable = Y[][] --> true (all arrays are Serializable) |
| 92 | // Serializable[] = Y[][] --> true |
| 93 | // Serializable[][] = Y[][] --> false (unless Y is Serializable) |
| 94 | // |
| 95 | // Don't forget about primitive types. |
| 96 | // int[] instanceof Object[] --> false |
| 97 | // |
| 98 | bool Class::IsArrayAssignableFromArray(const Class* klass) const { |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 99 | DCHECK(IsArrayClass()); |
| 100 | DCHECK(klass->IsArrayClass()); |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 101 | DCHECK_GT(array_rank_, 0); |
| 102 | DCHECK_GT(klass->array_rank_, 0); |
| 103 | DCHECK(component_type_ != NULL); |
| 104 | DCHECK(klass->component_type_ != NULL); |
| 105 | if (array_rank_ > klass->array_rank_) { |
| 106 | // Too many []s. |
| 107 | return false; |
| 108 | } |
| 109 | if (array_rank_ == klass->array_rank_) { |
| 110 | return component_type_->IsAssignableFrom(klass->component_type_); |
| 111 | } |
| 112 | DCHECK_LT(array_rank_, klass->array_rank_); |
| 113 | // The thing we might be assignable from has more dimensions. We |
| 114 | // must be an Object or array of Object, or a standard array |
| 115 | // interface or array of standard array interfaces (the standard |
| 116 | // interfaces being java/lang/Cloneable and java/io/Serializable). |
| 117 | if (component_type_->IsInterface()) { |
| 118 | // See if we implement our component type. We know the |
| 119 | // base element is an interface; if the array class implements |
| 120 | // it, we know it's a standard array interface. |
| 121 | return Implements(component_type_); |
| 122 | } |
| 123 | // See if this is an array of Object, Object[], etc. We know |
| 124 | // that the superclass of an array is always Object, so we |
| 125 | // just compare the element type to that. |
| 126 | Class* java_lang_Object = GetSuperClass(); |
| 127 | DCHECK(java_lang_Object != NULL); |
| 128 | DCHECK(java_lang_Object->GetSuperClass() == NULL); |
| 129 | return (component_type_ == java_lang_Object); |
| 130 | } |
| 131 | |
| 132 | bool Class::IsAssignableFromArray(const Class* klass) const { |
| 133 | DCHECK(!IsInterface()); // handled first in IsAssignableFrom |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 134 | DCHECK(klass->IsArrayClass()); |
| 135 | if (!IsArrayClass()) { |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 136 | // If "this" is not also an array, it must be Object. |
| 137 | // klass's super should be java_lang_Object, since it is an array. |
| 138 | Class* java_lang_Object = klass->GetSuperClass(); |
| 139 | DCHECK(java_lang_Object != NULL); |
| 140 | DCHECK(java_lang_Object->GetSuperClass() == NULL); |
| 141 | return this == java_lang_Object; |
| 142 | } |
| 143 | return IsArrayAssignableFromArray(klass); |
| 144 | } |
| 145 | |
| 146 | bool Class::IsSubClass(const Class* klass) const { |
| 147 | DCHECK(!IsInterface()); |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 148 | DCHECK(!klass->IsArrayClass()); |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 149 | const Class* current = this; |
| 150 | do { |
| 151 | if (current == klass) { |
| 152 | return true; |
| 153 | } |
| 154 | current = current->GetSuperClass(); |
| 155 | } while (current != NULL); |
| 156 | return false; |
| 157 | } |
| 158 | |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 159 | bool Class::IsInSamePackage(const String* descriptor_string_1, |
| 160 | const String* descriptor_string_2) { |
| 161 | const std::string descriptor1(descriptor_string_1->ToModifiedUtf8()); |
| 162 | const std::string descriptor2(descriptor_string_2->ToModifiedUtf8()); |
| 163 | |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 164 | size_t i = 0; |
| 165 | while (descriptor1[i] != '\0' && descriptor1[i] == descriptor2[i]) { |
| 166 | ++i; |
| 167 | } |
Brian Carlstrom | 6cc1845 | 2011-07-18 15:10:33 -0700 | [diff] [blame] | 168 | if (descriptor1.find('/', i) != StringPiece::npos || |
| 169 | descriptor2.find('/', i) != StringPiece::npos) { |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 170 | return false; |
| 171 | } else { |
| 172 | return true; |
| 173 | } |
| 174 | } |
| 175 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 176 | #if 0 |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 177 | bool Class::IsInSamePackage(const StringPiece& descriptor1, |
| 178 | const StringPiece& descriptor2) { |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 179 | size_t size = std::min(descriptor1.size(), descriptor2.size()); |
Brian Carlstrom | 6cc1845 | 2011-07-18 15:10:33 -0700 | [diff] [blame] | 180 | std::pair<StringPiece::const_iterator, StringPiece::const_iterator> pos; |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 181 | pos = std::mismatch(descriptor1.begin(), descriptor1.begin() + size, |
| 182 | descriptor2.begin()); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 183 | return !(*(pos.second).rfind('/') != npos && descriptor2.rfind('/') != npos); |
| 184 | } |
| 185 | #endif |
| 186 | |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 187 | bool Class::IsInSamePackage(const Class* that) const { |
| 188 | const Class* klass1 = this; |
| 189 | const Class* klass2 = that; |
| 190 | if (klass1 == klass2) { |
| 191 | return true; |
| 192 | } |
| 193 | // Class loaders must match. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 194 | if (klass1->GetClassLoader() != klass2->GetClassLoader()) { |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 195 | return false; |
| 196 | } |
| 197 | // Arrays are in the same package when their element classes are. |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 198 | if (klass1->IsArrayClass()) { |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 199 | klass1 = klass1->GetComponentType(); |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 200 | } |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 201 | if (klass2->IsArrayClass()) { |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 202 | klass2 = klass2->GetComponentType(); |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 203 | } |
| 204 | // Compare the package part of the descriptor string. |
Brian Carlstrom | 6cc1845 | 2011-07-18 15:10:33 -0700 | [diff] [blame] | 205 | return IsInSamePackage(klass1->descriptor_, klass2->descriptor_); |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 206 | } |
| 207 | |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 208 | uint32_t Field::Get32StaticFromCode(uint32_t field_idx, const Method* referrer) { |
| 209 | Field* field = Runtime::Current()->GetClassLinker()->ResolveField(field_idx, referrer); |
| 210 | if (field == NULL) { |
| 211 | UNIMPLEMENTED(FATAL) << "throw an error"; |
| 212 | return 0; |
| 213 | } |
| 214 | return field->Get32(NULL); |
| 215 | } |
| 216 | void Field::Set32StaticFromCode(uint32_t field_idx, const Method* referrer, uint32_t new_value) { |
| 217 | Field* field = Runtime::Current()->GetClassLinker()->ResolveField(field_idx, referrer); |
| 218 | if (field == NULL) { |
| 219 | UNIMPLEMENTED(FATAL) << "throw an error"; |
| 220 | return; |
| 221 | } |
| 222 | field->Set32(NULL, new_value); |
| 223 | } |
| 224 | uint64_t Field::Get64StaticFromCode(uint32_t field_idx, const Method* referrer) { |
| 225 | Field* field = Runtime::Current()->GetClassLinker()->ResolveField(field_idx, referrer); |
| 226 | if (field == NULL) { |
| 227 | UNIMPLEMENTED(FATAL) << "throw an error"; |
| 228 | return 0; |
| 229 | } |
| 230 | return field->Get64(NULL); |
| 231 | } |
| 232 | void Field::Set64StaticFromCode(uint32_t field_idx, const Method* referrer, uint64_t new_value) { |
| 233 | Field* field = Runtime::Current()->GetClassLinker()->ResolveField(field_idx, referrer); |
| 234 | if (field == NULL) { |
| 235 | UNIMPLEMENTED(FATAL) << "throw an error"; |
| 236 | return; |
| 237 | } |
| 238 | field->Set64(NULL, new_value); |
| 239 | } |
| 240 | Object* Field::GetObjStaticFromCode(uint32_t field_idx, const Method* referrer) { |
| 241 | Field* field = Runtime::Current()->GetClassLinker()->ResolveField(field_idx, referrer); |
| 242 | if (field == NULL) { |
| 243 | UNIMPLEMENTED(FATAL) << "throw an error"; |
| 244 | return 0; |
| 245 | } |
| 246 | return field->GetObj(NULL); |
| 247 | } |
| 248 | void Field::SetObjStaticFromCode(uint32_t field_idx, const Method* referrer, Object* new_value) { |
| 249 | Field* field = Runtime::Current()->GetClassLinker()->ResolveField(field_idx, referrer); |
| 250 | if (field == NULL) { |
| 251 | UNIMPLEMENTED(FATAL) << "throw an error"; |
| 252 | return; |
| 253 | } |
| 254 | field->SetObj(NULL, new_value); |
| 255 | } |
| 256 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 257 | uint32_t Field::Get32(const Object* object) const { |
| 258 | CHECK((object == NULL) == IsStatic()); |
| 259 | if (IsStatic()) { |
| 260 | object = declaring_class_; |
| 261 | } |
Elliott Hughes | 37f7a40 | 2011-08-22 18:56:01 -0700 | [diff] [blame] | 262 | // TODO: volatile |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 263 | return object->GetField32(GetOffset()); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 264 | } |
| 265 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 266 | void Field::Set32(Object* object, uint32_t new_value) const { |
| 267 | CHECK((object == NULL) == IsStatic()); |
| 268 | if (IsStatic()) { |
| 269 | object = declaring_class_; |
| 270 | } |
Elliott Hughes | 37f7a40 | 2011-08-22 18:56:01 -0700 | [diff] [blame] | 271 | // TODO: volatile |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 272 | object->SetField32(GetOffset(), new_value); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 273 | } |
| 274 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 275 | uint64_t Field::Get64(const Object* object) const { |
| 276 | CHECK((object == NULL) == IsStatic()); |
| 277 | if (IsStatic()) { |
| 278 | object = declaring_class_; |
| 279 | } |
Elliott Hughes | 37f7a40 | 2011-08-22 18:56:01 -0700 | [diff] [blame] | 280 | // TODO: volatile |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 281 | return object->GetField64(GetOffset()); |
| 282 | } |
| 283 | |
| 284 | void Field::Set64(Object* object, uint64_t new_value) const { |
| 285 | CHECK((object == NULL) == IsStatic()); |
| 286 | if (IsStatic()) { |
| 287 | object = declaring_class_; |
| 288 | } |
Elliott Hughes | 37f7a40 | 2011-08-22 18:56:01 -0700 | [diff] [blame] | 289 | // TODO: volatile |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 290 | object->SetField64(GetOffset(), new_value); |
| 291 | } |
| 292 | |
| 293 | Object* Field::GetObj(const Object* object) const { |
| 294 | CHECK((object == NULL) == IsStatic()); |
| 295 | if (IsStatic()) { |
| 296 | object = declaring_class_; |
| 297 | } |
Elliott Hughes | 37f7a40 | 2011-08-22 18:56:01 -0700 | [diff] [blame] | 298 | // TODO: volatile |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 299 | return object->GetFieldObject(GetOffset()); |
| 300 | } |
| 301 | |
| 302 | void Field::SetObj(Object* object, Object* new_value) const { |
| 303 | CHECK((object == NULL) == IsStatic()); |
| 304 | if (IsStatic()) { |
| 305 | object = declaring_class_; |
| 306 | } |
Elliott Hughes | 37f7a40 | 2011-08-22 18:56:01 -0700 | [diff] [blame] | 307 | // TODO: volatile |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 308 | object->SetFieldObject(GetOffset(), new_value); |
| 309 | } |
| 310 | |
| 311 | bool Field::GetBoolean(const Object* object) const { |
| 312 | CHECK_EQ(GetType(), 'Z'); |
| 313 | return Get32(object); |
| 314 | } |
| 315 | |
| 316 | void Field::SetBoolean(Object* object, bool z) const { |
| 317 | CHECK_EQ(GetType(), 'Z'); |
| 318 | Set32(object, z); |
| 319 | } |
| 320 | |
| 321 | int8_t Field::GetByte(const Object* object) const { |
| 322 | CHECK_EQ(GetType(), 'B'); |
| 323 | return Get32(object); |
| 324 | } |
| 325 | |
| 326 | void Field::SetByte(Object* object, int8_t b) const { |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 327 | CHECK_EQ(GetType(), 'B'); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 328 | Set32(object, b); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 329 | } |
| 330 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 331 | uint16_t Field::GetChar(const Object* object) const { |
| 332 | CHECK_EQ(GetType(), 'C'); |
| 333 | return Get32(object); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 334 | } |
| 335 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 336 | void Field::SetChar(Object* object, uint16_t c) const { |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 337 | CHECK_EQ(GetType(), 'C'); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 338 | Set32(object, c); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 339 | } |
| 340 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 341 | uint16_t Field::GetShort(const Object* object) const { |
| 342 | CHECK_EQ(GetType(), 'S'); |
| 343 | return Get32(object); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 344 | } |
| 345 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 346 | void Field::SetShort(Object* object, uint16_t s) const { |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 347 | CHECK_EQ(GetType(), 'S'); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 348 | Set32(object, s); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 349 | } |
| 350 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 351 | int32_t Field::GetInt(const Object* object) const { |
| 352 | CHECK_EQ(GetType(), 'I'); |
| 353 | return Get32(object); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 354 | } |
| 355 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 356 | void Field::SetInt(Object* object, int32_t i) const { |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 357 | CHECK_EQ(GetType(), 'I'); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 358 | Set32(object, i); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 359 | } |
| 360 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 361 | int64_t Field::GetLong(const Object* object) const { |
| 362 | CHECK_EQ(GetType(), 'J'); |
| 363 | return Get64(object); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 364 | } |
| 365 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 366 | void Field::SetLong(Object* object, int64_t j) const { |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 367 | CHECK_EQ(GetType(), 'J'); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 368 | Set64(object, j); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 369 | } |
| 370 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 371 | float Field::GetFloat(const Object* object) const { |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 372 | CHECK_EQ(GetType(), 'F'); |
| 373 | JValue float_bits; |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 374 | float_bits.i = Get32(object); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 375 | return float_bits.f; |
| 376 | } |
| 377 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 378 | void Field::SetFloat(Object* object, float f) const { |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 379 | CHECK_EQ(GetType(), 'F'); |
| 380 | JValue float_bits; |
| 381 | float_bits.f = f; |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 382 | Set32(object, float_bits.i); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 383 | } |
| 384 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 385 | double Field::GetDouble(const Object* object) const { |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 386 | CHECK_EQ(GetType(), 'D'); |
| 387 | JValue double_bits; |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 388 | double_bits.j = Get64(object); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 389 | return double_bits.d; |
| 390 | } |
| 391 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 392 | void Field::SetDouble(Object* object, double d) const { |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 393 | CHECK_EQ(GetType(), 'D'); |
| 394 | JValue double_bits; |
| 395 | double_bits.d = d; |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 396 | Set64(object, double_bits.j); |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 397 | } |
| 398 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 399 | Object* Field::GetObject(const Object* object) const { |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 400 | CHECK(GetType() == 'L' || GetType() == '['); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 401 | return GetObj(object); |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 402 | } |
| 403 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 404 | void Field::SetObject(Object* object, Object* l) const { |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 405 | CHECK(GetType() == 'L' || GetType() == '['); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 406 | SetObj(object, l); |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 407 | } |
| 408 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 409 | uint32_t Method::NumArgRegisters() const { |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 410 | CHECK(shorty_ != NULL); |
| 411 | uint32_t num_registers = 0; |
Carl Shapiro | 565f507 | 2011-07-10 13:39:43 -0700 | [diff] [blame] | 412 | for (int i = 1; i < shorty_.length(); ++i) { |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 413 | char ch = shorty_[i]; |
| 414 | if (ch == 'D' || ch == 'J') { |
| 415 | num_registers += 2; |
| 416 | } else { |
| 417 | num_registers += 1; |
| 418 | } |
| 419 | } |
| 420 | return num_registers; |
| 421 | } |
| 422 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 423 | size_t Method::NumArgArrayBytes() const { |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 424 | const StringPiece& shorty = GetShorty(); |
| 425 | size_t num_bytes = 0; |
| 426 | for (int i = 1; i < shorty.size(); ++i) { |
| 427 | char ch = shorty[i]; |
| 428 | if (ch == 'D' || ch == 'J') { |
| 429 | num_bytes += 8; |
Carl Shapiro | 84d00e6 | 2011-08-18 14:57:20 -0700 | [diff] [blame] | 430 | } else if (ch == 'L') { |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 431 | // Argument is a reference or an array. The shorty descriptor |
| 432 | // does not distinguish between these types. |
| 433 | num_bytes += sizeof(Object*); |
| 434 | } else { |
| 435 | num_bytes += 4; |
| 436 | } |
| 437 | } |
| 438 | return num_bytes; |
| 439 | } |
| 440 | |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 441 | // The number of reference arguments to this method including implicit this |
| 442 | // pointer |
| 443 | size_t Method::NumReferenceArgs() const { |
Shih-wei Liao | 5381cf9 | 2011-07-27 00:28:04 -0700 | [diff] [blame] | 444 | size_t result = IsStatic() ? 0 : 1; // The implicit this pointer. |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 445 | for (int i = 1; i < shorty_.length(); i++) { |
| 446 | if ((shorty_[i] == 'L') || (shorty_[i] == '[')) { |
| 447 | result++; |
| 448 | } |
| 449 | } |
| 450 | return result; |
| 451 | } |
| 452 | |
| 453 | // The number of long or double arguments |
| 454 | size_t Method::NumLongOrDoubleArgs() const { |
| 455 | size_t result = 0; |
| 456 | for (int i = 1; i < shorty_.length(); i++) { |
| 457 | if ((shorty_[i] == 'D') || (shorty_[i] == 'J')) { |
| 458 | result++; |
| 459 | } |
| 460 | } |
| 461 | return result; |
| 462 | } |
| 463 | |
| 464 | // The number of reference arguments to this method before the given parameter |
| 465 | // index |
| 466 | size_t Method::NumReferenceArgsBefore(unsigned int param) const { |
| 467 | CHECK_LT(param, NumArgs()); |
| 468 | unsigned int result = IsStatic() ? 0 : 1; |
| 469 | for (unsigned int i = 1; (i < (unsigned int)shorty_.length()) && |
| 470 | (i < (param + 1)); i++) { |
| 471 | if ((shorty_[i] == 'L') || (shorty_[i] == '[')) { |
| 472 | result++; |
| 473 | } |
| 474 | } |
| 475 | return result; |
| 476 | } |
| 477 | |
| 478 | // Is the given method parameter a reference? |
| 479 | bool Method::IsParamAReference(unsigned int param) const { |
| 480 | CHECK_LT(param, NumArgs()); |
| 481 | if (IsStatic()) { |
| 482 | param++; // 0th argument must skip return value at start of the shorty |
| 483 | } else if (param == 0) { |
| 484 | return true; // this argument |
| 485 | } |
| 486 | return ((shorty_[param] == 'L') || (shorty_[param] == '[')); |
| 487 | } |
| 488 | |
| 489 | // Is the given method parameter a long or double? |
| 490 | bool Method::IsParamALongOrDouble(unsigned int param) const { |
| 491 | CHECK_LT(param, NumArgs()); |
| 492 | if (IsStatic()) { |
| 493 | param++; // 0th argument must skip return value at start of the shorty |
Carl Shapiro | e2d373e | 2011-07-25 15:20:06 -0700 | [diff] [blame] | 494 | } else if (param == 0) { |
| 495 | return false; // this argument |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 496 | } |
| 497 | return (shorty_[param] == 'J') || (shorty_[param] == 'D'); |
| 498 | } |
| 499 | |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 500 | static size_t ShortyCharToSize(char x) { |
| 501 | switch (x) { |
Ian Rogers | 45a76cb | 2011-07-21 22:00:15 -0700 | [diff] [blame] | 502 | case 'V': return 0; |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 503 | case '[': return kPointerSize; |
| 504 | case 'L': return kPointerSize; |
| 505 | case 'D': return 8; |
| 506 | case 'J': return 8; |
| 507 | default: return 4; |
| 508 | } |
| 509 | } |
| 510 | |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 511 | size_t Method::ParamSize(unsigned int param) const { |
| 512 | CHECK_LT(param, NumArgs()); |
| 513 | if (IsStatic()) { |
| 514 | param++; // 0th argument must skip return value at start of the shorty |
| 515 | } else if (param == 0) { |
| 516 | return kPointerSize; // this argument |
| 517 | } |
| 518 | return ShortyCharToSize(shorty_[param]); |
| 519 | } |
| 520 | |
| 521 | size_t Method::ReturnSize() const { |
| 522 | return ShortyCharToSize(shorty_[0]); |
| 523 | } |
| 524 | |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 525 | bool Method::HasSameNameAndDescriptor(const Method* that) const { |
| 526 | return (this->GetName()->Equals(that->GetName()) && |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 527 | this->GetSignature()->Equals(that->GetSignature())); |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 528 | } |
| 529 | |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 530 | Method* Class::FindVirtualMethodForInterface(Method* method) { |
| 531 | Class* declaring_class = method->GetDeclaringClass(); |
| 532 | DCHECK(declaring_class->IsInterface()); |
| 533 | // TODO cache to improve lookup speed |
| 534 | for (size_t i = 0; i < iftable_count_; i++) { |
| 535 | InterfaceEntry& interface_entry = iftable_[i]; |
| 536 | if (interface_entry.GetInterface() == declaring_class) { |
| 537 | return vtable_->Get(interface_entry.method_index_array_[method->method_index_]); |
| 538 | } |
| 539 | } |
| 540 | UNIMPLEMENTED(FATAL) << "Need to throw an error of some kind"; |
| 541 | return NULL; |
| 542 | } |
| 543 | |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 544 | Method* Class::FindDeclaredDirectMethod(const StringPiece& name, |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 545 | const StringPiece& signature) { |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 546 | for (size_t i = 0; i < NumDirectMethods(); ++i) { |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 547 | Method* method = GetDirectMethod(i); |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 548 | if (method->GetName()->Equals(name) && |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 549 | method->GetSignature()->Equals(signature)) { |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 550 | return method; |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 551 | } |
| 552 | } |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 553 | return NULL; |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 554 | } |
| 555 | |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 556 | Method* Class::FindDirectMethod(const StringPiece& name, |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 557 | const StringPiece& signature) { |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 558 | for (Class* klass = this; klass != NULL; klass = klass->GetSuperClass()) { |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 559 | Method* method = klass->FindDeclaredDirectMethod(name, signature); |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 560 | if (method != NULL) { |
| 561 | return method; |
| 562 | } |
| 563 | } |
| 564 | return NULL; |
| 565 | } |
| 566 | |
| 567 | Method* Class::FindDeclaredVirtualMethod(const StringPiece& name, |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 568 | const StringPiece& signature) { |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 569 | for (size_t i = 0; i < NumVirtualMethods(); ++i) { |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 570 | Method* method = GetVirtualMethod(i); |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 571 | if (method->GetName()->Equals(name) && |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 572 | method->GetSignature()->Equals(signature)) { |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 573 | return method; |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 574 | } |
| 575 | } |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 576 | return NULL; |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 577 | } |
| 578 | |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 579 | Method* Class::FindVirtualMethod(const StringPiece& name, |
| 580 | const StringPiece& descriptor) { |
| 581 | for (Class* klass = this; klass != NULL; klass = klass->GetSuperClass()) { |
| 582 | Method* method = klass->FindDeclaredVirtualMethod(name, descriptor); |
| 583 | if (method != NULL) { |
| 584 | return method; |
| 585 | } |
| 586 | } |
| 587 | return NULL; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 588 | } |
| 589 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 590 | Field* Class::FindDeclaredInstanceField(const StringPiece& name, const StringPiece& descriptor) { |
| 591 | // Is the field in this class? |
| 592 | // Interfaces are not relevant because they can't contain instance fields. |
| 593 | for (size_t i = 0; i < NumInstanceFields(); ++i) { |
| 594 | Field* f = GetInstanceField(i); |
| 595 | if (f->GetName()->Equals(name) && f->GetDescriptor() == descriptor) { |
| 596 | return f; |
| 597 | } |
| 598 | } |
| 599 | return NULL; |
| 600 | } |
| 601 | |
| 602 | Field* Class::FindInstanceField(const StringPiece& name, const StringPiece& descriptor) { |
| 603 | // Is the field in this class, or any of its superclasses? |
| 604 | // Interfaces are not relevant because they can't contain instance fields. |
| 605 | for (Class* c = this; c != NULL; c = c->GetSuperClass()) { |
| 606 | Field* f = c->FindDeclaredInstanceField(name, descriptor); |
| 607 | if (f != NULL) { |
| 608 | return f; |
| 609 | } |
| 610 | } |
| 611 | return NULL; |
| 612 | } |
| 613 | |
| 614 | Field* Class::FindDeclaredStaticField(const StringPiece& name, const StringPiece& descriptor) { |
| 615 | for (size_t i = 0; i < NumStaticFields(); ++i) { |
| 616 | Field* f = GetStaticField(i); |
| 617 | if (f->GetName()->Equals(name) && f->GetDescriptor() == descriptor) { |
| 618 | return f; |
| 619 | } |
| 620 | } |
| 621 | return NULL; |
| 622 | } |
| 623 | |
| 624 | Field* Class::FindStaticField(const StringPiece& name, const StringPiece& descriptor) { |
| 625 | // Is the field in this class (or its interfaces), or any of its |
| 626 | // superclasses (or their interfaces)? |
| 627 | for (Class* c = this; c != NULL; c = c->GetSuperClass()) { |
| 628 | // Is the field in this class? |
| 629 | Field* f = c->FindDeclaredStaticField(name, descriptor); |
| 630 | if (f != NULL) { |
| 631 | return f; |
| 632 | } |
| 633 | |
| 634 | // Is this field in any of this class' interfaces? |
| 635 | for (size_t i = 0; i < c->NumInterfaces(); ++i) { |
| 636 | Class* interface = c->GetInterface(i); |
| 637 | f = interface->FindDeclaredStaticField(name, descriptor); |
| 638 | if (f != NULL) { |
| 639 | return f; |
| 640 | } |
| 641 | } |
| 642 | } |
| 643 | return NULL; |
| 644 | } |
| 645 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 646 | template<typename T> |
| 647 | PrimitiveArray<T>* PrimitiveArray<T>::Alloc(size_t length) { |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 648 | DCHECK(array_class_ != NULL); |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 649 | Array* raw_array = Array::Alloc(array_class_, length, sizeof(T)); |
| 650 | return down_cast<PrimitiveArray<T>*>(raw_array); |
| 651 | } |
| 652 | |
| 653 | template <typename T> Class* PrimitiveArray<T>::array_class_ = NULL; |
| 654 | |
| 655 | // Explicitly instantiate all the primitive array types. |
| 656 | template class PrimitiveArray<uint8_t>; // BooleanArray |
| 657 | template class PrimitiveArray<int8_t>; // ByteArray |
| 658 | template class PrimitiveArray<uint16_t>; // CharArray |
| 659 | template class PrimitiveArray<double>; // DoubleArray |
| 660 | template class PrimitiveArray<float>; // FloatArray |
| 661 | template class PrimitiveArray<int32_t>; // IntArray |
| 662 | template class PrimitiveArray<int64_t>; // LongArray |
| 663 | template class PrimitiveArray<int16_t>; // ShortArray |
| 664 | |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 665 | // TODO: get global references for these |
| 666 | Class* String::java_lang_String_ = NULL; |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 667 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 668 | void String::SetClass(Class* java_lang_String) { |
| 669 | CHECK(java_lang_String_ == NULL); |
| 670 | CHECK(java_lang_String != NULL); |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 671 | java_lang_String_ = java_lang_String; |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 672 | } |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 673 | void String::ResetClass() { |
| 674 | CHECK(java_lang_String_ != NULL); |
| 675 | java_lang_String_ = NULL; |
| 676 | } |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 677 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 678 | // TODO: get global references for these |
| 679 | Class* PathClassLoader::dalvik_system_PathClassLoader_ = NULL; |
| 680 | |
Brian Carlstrom | 8a48741 | 2011-08-29 20:08:52 -0700 | [diff] [blame] | 681 | const PathClassLoader* PathClassLoader::Alloc(std::vector<const DexFile*> dex_files) { |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 682 | PathClassLoader* p = down_cast<PathClassLoader*>(dalvik_system_PathClassLoader_->NewInstance()); |
| 683 | p->SetClassPath(dex_files); |
| 684 | return p; |
| 685 | } |
| 686 | |
| 687 | void PathClassLoader::SetClass(Class* dalvik_system_PathClassLoader) { |
| 688 | CHECK(dalvik_system_PathClassLoader_ == NULL); |
| 689 | CHECK(dalvik_system_PathClassLoader != NULL); |
| 690 | dalvik_system_PathClassLoader_ = dalvik_system_PathClassLoader; |
| 691 | } |
| 692 | |
| 693 | void PathClassLoader::ResetClass() { |
| 694 | CHECK(dalvik_system_PathClassLoader_ != NULL); |
| 695 | dalvik_system_PathClassLoader_ = NULL; |
| 696 | } |
| 697 | |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 698 | Class* StackTraceElement::java_lang_StackTraceElement_ = NULL; |
| 699 | |
| 700 | void StackTraceElement::SetClass(Class* java_lang_StackTraceElement) { |
| 701 | CHECK(java_lang_StackTraceElement_ == NULL); |
| 702 | CHECK(java_lang_StackTraceElement != NULL); |
| 703 | java_lang_StackTraceElement_ = java_lang_StackTraceElement; |
| 704 | } |
| 705 | |
| 706 | void StackTraceElement::ResetClass() { |
| 707 | CHECK(java_lang_StackTraceElement_ != NULL); |
| 708 | java_lang_StackTraceElement_ = NULL; |
| 709 | } |
| 710 | |
Elliott Hughes | 1f359b0 | 2011-07-17 14:27:17 -0700 | [diff] [blame] | 711 | static const char* kClassStatusNames[] = { |
| 712 | "Error", |
| 713 | "NotReady", |
| 714 | "Idx", |
| 715 | "Loaded", |
| 716 | "Resolved", |
| 717 | "Verifying", |
| 718 | "Verified", |
| 719 | "Initializing", |
| 720 | "Initialized" |
| 721 | }; |
| 722 | std::ostream& operator<<(std::ostream& os, const Class::Status& rhs) { |
| 723 | if (rhs >= Class::kStatusError && rhs <= Class::kStatusInitialized) { |
Brian Carlstrom | ae3ac01 | 2011-07-27 01:30:28 -0700 | [diff] [blame] | 724 | os << kClassStatusNames[rhs + 1]; |
Elliott Hughes | 1f359b0 | 2011-07-17 14:27:17 -0700 | [diff] [blame] | 725 | } else { |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 726 | os << "Class::Status[" << static_cast<int>(rhs) << "]"; |
Elliott Hughes | 1f359b0 | 2011-07-17 14:27:17 -0700 | [diff] [blame] | 727 | } |
| 728 | return os; |
| 729 | } |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 730 | |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 731 | } // namespace art |