Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1 | // Copyright 2011 Google Inc. All Rights Reserved. |
| 2 | |
| 3 | #ifndef ART_SRC_OBJECT_H_ |
| 4 | #define ART_SRC_OBJECT_H_ |
| 5 | |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 6 | #include "casts.h" |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 7 | #include "constants.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 8 | #include "globals.h" |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 9 | #include "heap.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 10 | #include "logging.h" |
| 11 | #include "macros.h" |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 12 | #include "monitor.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 13 | #include "offsets.h" |
| 14 | #include "stringpiece.h" |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 15 | #include "utf.h" |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 16 | |
| 17 | namespace art { |
| 18 | |
| 19 | class Array; |
| 20 | class Class; |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame^] | 21 | class CodeAndDirectMethods; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 22 | class DexCache; |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 23 | class Field; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 24 | class InterfaceEntry; |
| 25 | class Monitor; |
| 26 | class Method; |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 27 | class Object; |
Jesse Wilson | 46cdd4b | 2011-07-28 17:40:48 -0400 | [diff] [blame] | 28 | class String; |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 29 | template<class T> class ObjectArray; |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 30 | template<class T> class PrimitiveArray; |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 31 | typedef PrimitiveArray<uint8_t> BooleanArray; |
| 32 | typedef PrimitiveArray<int8_t> ByteArray; |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 33 | typedef PrimitiveArray<uint16_t> CharArray; |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 34 | typedef PrimitiveArray<double> DoubleArray; |
| 35 | typedef PrimitiveArray<float> FloatArray; |
| 36 | typedef PrimitiveArray<int32_t> IntArray; |
| 37 | typedef PrimitiveArray<int64_t> LongArray; |
| 38 | typedef PrimitiveArray<int16_t> ShortArray; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 39 | |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 40 | union JValue { |
| 41 | uint8_t z; |
| 42 | int8_t b; |
| 43 | uint16_t c; |
| 44 | int16_t s; |
| 45 | int32_t i; |
| 46 | int64_t j; |
| 47 | float f; |
| 48 | double d; |
| 49 | Object* l; |
| 50 | }; |
| 51 | |
Brian Carlstrom | be97785 | 2011-07-19 14:54:54 -0700 | [diff] [blame] | 52 | static const uint32_t kAccPublic = 0x0001; // class, field, method, ic |
| 53 | static const uint32_t kAccPrivate = 0x0002; // field, method, ic |
| 54 | static const uint32_t kAccProtected = 0x0004; // field, method, ic |
| 55 | static const uint32_t kAccStatic = 0x0008; // field, method, ic |
| 56 | static const uint32_t kAccFinal = 0x0010; // class, field, method, ic |
| 57 | static const uint32_t kAccSynchronized = 0x0020; // method (only allowed on natives) |
| 58 | static const uint32_t kAccSuper = 0x0020; // class (not used in Dalvik) |
| 59 | static const uint32_t kAccVolatile = 0x0040; // field |
| 60 | static const uint32_t kAccBridge = 0x0040; // method (1.5) |
| 61 | static const uint32_t kAccTransient = 0x0080; // field |
| 62 | static const uint32_t kAccVarargs = 0x0080; // method (1.5) |
| 63 | static const uint32_t kAccNative = 0x0100; // method |
| 64 | static const uint32_t kAccInterface = 0x0200; // class, ic |
| 65 | static const uint32_t kAccAbstract = 0x0400; // class, method, ic |
| 66 | static const uint32_t kAccStrict = 0x0800; // method |
| 67 | static const uint32_t kAccSynthetic = 0x1000; // field, method, ic |
| 68 | static const uint32_t kAccAnnotation = 0x2000; // class, ic (1.5) |
| 69 | static const uint32_t kAccEnum = 0x4000; // class, field, ic (1.5) |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 70 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 71 | static const uint32_t kAccMiranda = 0x8000; // method |
| 72 | |
Brian Carlstrom | a331b3c | 2011-07-18 17:47:56 -0700 | [diff] [blame] | 73 | static const uint32_t kAccJavaFlagsMask = 0xffff; // bits set from Java sources (low 16) |
| 74 | |
Brian Carlstrom | be97785 | 2011-07-19 14:54:54 -0700 | [diff] [blame] | 75 | static const uint32_t kAccConstructor = 0x00010000; // method (Dalvik only) |
| 76 | static const uint32_t kAccDeclaredSynchronized = 0x00020000; // method (Dalvik only) |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 77 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 78 | /* |
Brian Carlstrom | a331b3c | 2011-07-18 17:47:56 -0700 | [diff] [blame] | 79 | * Definitions for packing refOffsets in Class. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 80 | */ |
| 81 | /* |
| 82 | * A magic value for refOffsets. Ignore the bits and walk the super |
| 83 | * chain when this is the value. |
| 84 | * [This is an unlikely "natural" value, since it would be 30 non-ref instance |
| 85 | * fields followed by 2 ref instance fields.] |
| 86 | */ |
| 87 | #define CLASS_WALK_SUPER ((unsigned int)(3)) |
| 88 | #define CLASS_SMALLEST_OFFSET (sizeof(struct Object)) |
| 89 | #define CLASS_BITS_PER_WORD (sizeof(unsigned long int) * 8) |
| 90 | #define CLASS_OFFSET_ALIGNMENT 4 |
| 91 | #define CLASS_HIGH_BIT ((unsigned int)1 << (CLASS_BITS_PER_WORD - 1)) |
| 92 | /* |
| 93 | * Given an offset, return the bit number which would encode that offset. |
| 94 | * Local use only. |
| 95 | */ |
| 96 | #define _CLASS_BIT_NUMBER_FROM_OFFSET(byteOffset) \ |
| 97 | (((unsigned int)(byteOffset) - CLASS_SMALLEST_OFFSET) / \ |
| 98 | CLASS_OFFSET_ALIGNMENT) |
| 99 | /* |
| 100 | * Is the given offset too large to be encoded? |
| 101 | */ |
| 102 | #define CLASS_CAN_ENCODE_OFFSET(byteOffset) \ |
| 103 | (_CLASS_BIT_NUMBER_FROM_OFFSET(byteOffset) < CLASS_BITS_PER_WORD) |
| 104 | /* |
| 105 | * Return a single bit, encoding the offset. |
| 106 | * Undefined if the offset is too large, as defined above. |
| 107 | */ |
| 108 | #define CLASS_BIT_FROM_OFFSET(byteOffset) \ |
| 109 | (CLASS_HIGH_BIT >> _CLASS_BIT_NUMBER_FROM_OFFSET(byteOffset)) |
| 110 | /* |
| 111 | * Return an offset, given a bit number as returned from CLZ. |
| 112 | */ |
| 113 | #define CLASS_OFFSET_FROM_CLZ(rshift) \ |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 114 | ((static_cast<int>(rshift) * CLASS_OFFSET_ALIGNMENT) + CLASS_SMALLEST_OFFSET) |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 115 | |
| 116 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 117 | class Object { |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 118 | public: |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 119 | static bool InstanceOf(const Object* object, const Class* klass) { |
| 120 | if (object == NULL) { |
| 121 | return false; |
| 122 | } |
| 123 | return object->InstanceOf(klass); |
| 124 | } |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 125 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 126 | Class* GetClass() const { |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 127 | DCHECK(klass_ != NULL); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 128 | return klass_; |
| 129 | } |
| 130 | |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 131 | bool InstanceOf(const Class* klass) const; |
| 132 | |
Elliott Hughes | 04b63fd | 2011-08-16 09:40:10 -0700 | [diff] [blame] | 133 | size_t SizeOf() const; |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 134 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 135 | void MonitorEnter() { |
| 136 | monitor_->Enter(); |
| 137 | } |
| 138 | |
| 139 | void MonitorExit() { |
| 140 | monitor_->Exit(); |
| 141 | } |
| 142 | |
| 143 | void Notify() { |
| 144 | monitor_->Notify(); |
| 145 | } |
| 146 | |
| 147 | void NotifyAll() { |
| 148 | monitor_->NotifyAll(); |
| 149 | } |
| 150 | |
| 151 | void Wait() { |
| 152 | monitor_->Wait(); |
| 153 | } |
| 154 | |
| 155 | void Wait(int64_t timeout) { |
| 156 | monitor_->Wait(timeout); |
| 157 | } |
| 158 | |
| 159 | void Wait(int64_t timeout, int32_t nanos) { |
| 160 | monitor_->Wait(timeout, nanos); |
| 161 | } |
| 162 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 163 | Object* GetFieldObject(size_t field_offset) const { |
| 164 | const byte* raw_addr = reinterpret_cast<const byte*>(this) + field_offset; |
| 165 | return *reinterpret_cast<Object* const *>(raw_addr); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | void SetFieldObject(size_t offset, Object* new_value) { |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 169 | byte* raw_addr = reinterpret_cast<byte*>(this) + offset; |
| 170 | *reinterpret_cast<Object**>(raw_addr) = new_value; |
| 171 | // TODO: write barrier |
| 172 | } |
| 173 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 174 | uint32_t GetField32(size_t field_offset) const { |
| 175 | const byte* raw_addr = reinterpret_cast<const byte*>(this) + field_offset; |
| 176 | return *reinterpret_cast<const uint32_t*>(raw_addr); |
| 177 | } |
| 178 | |
| 179 | void SetField32(size_t offset, uint32_t new_value) { |
| 180 | byte* raw_addr = reinterpret_cast<byte*>(this) + offset; |
| 181 | *reinterpret_cast<uint32_t*>(raw_addr) = new_value; |
| 182 | } |
| 183 | |
| 184 | uint64_t GetField64(size_t field_offset) const { |
| 185 | const byte* raw_addr = reinterpret_cast<const byte*>(this) + field_offset; |
| 186 | return *reinterpret_cast<const uint64_t*>(raw_addr); |
| 187 | } |
| 188 | |
| 189 | void SetField64(size_t offset, uint64_t new_value) { |
| 190 | byte* raw_addr = reinterpret_cast<byte*>(this) + offset; |
| 191 | *reinterpret_cast<uint64_t*>(raw_addr) = new_value; |
| 192 | } |
| 193 | |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 194 | bool IsClass() const; |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 195 | |
| 196 | Class* AsClass() { |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 197 | DCHECK(IsClass()); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 198 | return down_cast<Class*>(this); |
| 199 | } |
| 200 | |
| 201 | const Class* AsClass() const { |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 202 | DCHECK(IsClass()); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 203 | return down_cast<const Class*>(this); |
| 204 | } |
| 205 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 206 | bool IsClassClass() const; |
| 207 | |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 208 | bool IsObjectArray() const; |
| 209 | |
| 210 | template<class T> |
| 211 | ObjectArray<T>* AsObjectArray() { |
| 212 | DCHECK(IsObjectArray()); |
| 213 | return down_cast<ObjectArray<T>*>(this); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 214 | } |
| 215 | |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 216 | template<class T> |
| 217 | const ObjectArray<T>* AsObjectArray() const { |
| 218 | DCHECK(IsObjectArray()); |
| 219 | return down_cast<const ObjectArray<T>*>(this); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | bool IsReference() const { |
Elliott Hughes | 53b6131 | 2011-08-12 18:28:20 -0700 | [diff] [blame] | 223 | UNIMPLEMENTED(FATAL); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 224 | return true; |
| 225 | } |
| 226 | |
| 227 | bool IsWeakReference() const { |
Elliott Hughes | 53b6131 | 2011-08-12 18:28:20 -0700 | [diff] [blame] | 228 | UNIMPLEMENTED(FATAL); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 229 | return true; |
| 230 | } |
| 231 | |
| 232 | bool IsSoftReference() const { |
Elliott Hughes | 53b6131 | 2011-08-12 18:28:20 -0700 | [diff] [blame] | 233 | UNIMPLEMENTED(FATAL); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 234 | return true; |
| 235 | } |
| 236 | |
| 237 | bool IsFinalizerReference() const { |
Elliott Hughes | 53b6131 | 2011-08-12 18:28:20 -0700 | [diff] [blame] | 238 | UNIMPLEMENTED(FATAL); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 239 | return true; |
| 240 | } |
| 241 | |
| 242 | bool IsPhantomReference() const { |
Elliott Hughes | 53b6131 | 2011-08-12 18:28:20 -0700 | [diff] [blame] | 243 | UNIMPLEMENTED(FATAL); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 244 | return true; |
| 245 | } |
| 246 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 247 | bool IsArrayInstance() const; |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 248 | |
| 249 | Array* AsArray() { |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 250 | DCHECK(IsArrayInstance()); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 251 | return down_cast<Array*>(this); |
| 252 | } |
| 253 | |
| 254 | const Array* AsArray() const { |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 255 | DCHECK(IsArrayInstance()); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 256 | return down_cast<const Array*>(this); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 257 | } |
| 258 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 259 | bool IsString() const; |
| 260 | |
| 261 | String* AsString() { |
| 262 | DCHECK(IsString()); |
| 263 | return down_cast<String*>(this); |
| 264 | } |
| 265 | |
| 266 | bool IsMethod() const; |
| 267 | |
| 268 | Method* AsMethod() { |
| 269 | DCHECK(IsMethod()); |
| 270 | return down_cast<Method*>(this); |
| 271 | } |
| 272 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 273 | const Method* AsMethod() const { |
| 274 | DCHECK(IsMethod()); |
| 275 | return down_cast<const Method*>(this); |
| 276 | } |
| 277 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 278 | bool IsField() const; |
| 279 | |
| 280 | Field* AsField() { |
| 281 | DCHECK(IsField()); |
| 282 | return down_cast<Field*>(this); |
| 283 | } |
| 284 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 285 | const Field* AsField() const { |
| 286 | DCHECK(IsField()); |
| 287 | return down_cast<const Field*>(this); |
| 288 | } |
| 289 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 290 | public: |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 291 | Class* klass_; |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 292 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 293 | Monitor* monitor_; |
| 294 | |
| 295 | private: |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 296 | DISALLOW_IMPLICIT_CONSTRUCTORS(Object); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 297 | }; |
| 298 | |
| 299 | class ObjectLock { |
| 300 | public: |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 301 | explicit ObjectLock(Object* object) : obj_(object) { |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 302 | CHECK(object != NULL); |
| 303 | obj_->MonitorEnter(); |
| 304 | } |
| 305 | |
| 306 | ~ObjectLock() { |
| 307 | obj_->MonitorExit(); |
| 308 | } |
| 309 | |
| 310 | void Wait(int64_t millis = 0) { |
| 311 | return obj_->Wait(millis); |
| 312 | } |
| 313 | |
| 314 | void Notify() { |
| 315 | obj_->Notify(); |
| 316 | } |
| 317 | |
| 318 | void NotifyAll() { |
| 319 | obj_->NotifyAll(); |
| 320 | } |
| 321 | |
| 322 | private: |
| 323 | Object* obj_; |
| 324 | DISALLOW_COPY_AND_ASSIGN(ObjectLock); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 325 | }; |
| 326 | |
Jesse Wilson | 46cdd4b | 2011-07-28 17:40:48 -0400 | [diff] [blame] | 327 | class AccessibleObject : public Object { |
| 328 | private: |
| 329 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| 330 | uint32_t java_flag_; |
| 331 | }; |
| 332 | |
| 333 | class Field : public AccessibleObject { |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 334 | public: |
Brian Carlstrom | a080803 | 2011-07-18 00:39:23 -0700 | [diff] [blame] | 335 | Class* GetDeclaringClass() const { |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 336 | DCHECK(declaring_class_ != NULL); |
Brian Carlstrom | a080803 | 2011-07-18 00:39:23 -0700 | [diff] [blame] | 337 | return declaring_class_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 338 | } |
| 339 | |
Jesse Wilson | 1415074 | 2011-07-29 19:04:44 -0400 | [diff] [blame] | 340 | const String* GetName() const { |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 341 | DCHECK(name_ != NULL); |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 342 | return name_; |
| 343 | } |
| 344 | |
| 345 | bool IsStatic() const { |
| 346 | return (access_flags_ & kAccStatic) != 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | char GetType() const { // TODO: return type |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 350 | return GetDescriptor()[0]; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 351 | } |
| 352 | |
Brian Carlstrom | ae3ac01 | 2011-07-27 01:30:28 -0700 | [diff] [blame] | 353 | const StringPiece& GetDescriptor() const { |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 354 | DCHECK_NE(0, descriptor_.size()); |
Brian Carlstrom | ae3ac01 | 2011-07-27 01:30:28 -0700 | [diff] [blame] | 355 | return descriptor_; |
Carl Shapiro | 5fafe2b | 2011-07-09 15:34:41 -0700 | [diff] [blame] | 356 | } |
| 357 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 358 | uint32_t GetOffset() const { |
| 359 | return offset_; |
| 360 | } |
| 361 | |
| 362 | void SetOffset(size_t num_bytes) { |
| 363 | offset_ = num_bytes; |
| 364 | } |
| 365 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 366 | // field access, null object for static fields |
| 367 | bool GetBoolean(const Object* object) const; |
| 368 | void SetBoolean(Object* object, bool z) const; |
| 369 | int8_t GetByte(const Object* object) const; |
| 370 | void SetByte(Object* object, int8_t b) const; |
| 371 | uint16_t GetChar(const Object* object) const; |
| 372 | void SetChar(Object* object, uint16_t c) const; |
| 373 | uint16_t GetShort(const Object* object) const; |
| 374 | void SetShort(Object* object, uint16_t s) const; |
| 375 | int32_t GetInt(const Object* object) const; |
| 376 | void SetInt(Object* object, int32_t i) const; |
| 377 | int64_t GetLong(const Object* object) const; |
| 378 | void SetLong(Object* object, int64_t j) const; |
| 379 | float GetFloat(const Object* object) const; |
| 380 | void SetFloat(Object* object, float f) const; |
| 381 | double GetDouble(const Object* object) const; |
| 382 | void SetDouble(Object* object, double d) const; |
| 383 | Object* GetObject(const Object* object) const; |
| 384 | void SetObject(Object* object, Object* l) const; |
Carl Shapiro | 5fafe2b | 2011-07-09 15:34:41 -0700 | [diff] [blame] | 385 | |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 386 | public: // TODO: private |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 387 | |
| 388 | // private implemention of field access using raw data |
| 389 | uint32_t Get32(const Object* object) const; |
| 390 | void Set32(Object* object, uint32_t new_value) const; |
| 391 | uint64_t Get64(const Object* object) const; |
| 392 | void Set64(Object* object, uint64_t new_value) const; |
| 393 | Object* GetObj(const Object* object) const; |
| 394 | void SetObj(Object* object, Object* new_value) const; |
| 395 | |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 396 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| 397 | // The class in which this field is declared. |
| 398 | Class* declaring_class_; |
| 399 | Object* generic_type_; |
| 400 | uint32_t generic_types_are_initialized_; |
| 401 | String* name_; |
| 402 | uint32_t offset_; |
| 403 | Class* type_; |
| 404 | |
| 405 | // e.g. "I", "[C", "Landroid/os/Debug;" |
| 406 | StringPiece descriptor_; |
| 407 | |
| 408 | uint32_t access_flags_; |
| 409 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 410 | private: |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 411 | DISALLOW_IMPLICIT_CONSTRUCTORS(Field); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 412 | }; |
| 413 | |
Jesse Wilson | 46cdd4b | 2011-07-28 17:40:48 -0400 | [diff] [blame] | 414 | class Method : public AccessibleObject { |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 415 | public: |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 416 | // An function that invokes a method with an array of its arguments. |
| 417 | typedef void InvokeStub(Method* method, |
| 418 | Object* obj, |
| 419 | Thread* thread, |
| 420 | byte* args, |
| 421 | JValue* result); |
| 422 | |
Brian Carlstrom | ae3ac01 | 2011-07-27 01:30:28 -0700 | [diff] [blame] | 423 | // Returns the method name, e.g. "<init>" or "eatLunch" |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 424 | const String* GetName() const { |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 425 | DCHECK(name_ != NULL); |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 426 | return name_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 427 | } |
| 428 | |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 429 | const String* GetSignature() const { |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 430 | DCHECK(signature_ != NULL); |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 431 | return signature_; |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 432 | } |
| 433 | |
Brian Carlstrom | a080803 | 2011-07-18 00:39:23 -0700 | [diff] [blame] | 434 | Class* GetDeclaringClass() const { |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 435 | DCHECK(declaring_class_ != NULL); |
Brian Carlstrom | a080803 | 2011-07-18 00:39:23 -0700 | [diff] [blame] | 436 | return declaring_class_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 437 | } |
| 438 | |
Ian Rogers | cdd1d2d | 2011-08-18 09:58:17 -0700 | [diff] [blame] | 439 | static MemberOffset DeclaringClassOffset() { |
| 440 | return MemberOffset(OFFSETOF_MEMBER(Method, declaring_class_)); |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 441 | } |
| 442 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 443 | // Returns true if the method is declared public. |
| 444 | bool IsPublic() const { |
| 445 | return (access_flags_ & kAccPublic) != 0; |
| 446 | } |
| 447 | |
| 448 | // Returns true if the method is declared private. |
| 449 | bool IsPrivate() const { |
| 450 | return (access_flags_ & kAccPrivate) != 0; |
| 451 | } |
| 452 | |
| 453 | // Returns true if the method is declared static. |
| 454 | bool IsStatic() const { |
| 455 | return (access_flags_ & kAccStatic) != 0; |
| 456 | } |
| 457 | |
| 458 | // Returns true if the method is declared synchronized. |
| 459 | bool IsSynchronized() const { |
| 460 | uint32_t synchonized = kAccSynchronized | kAccDeclaredSynchronized; |
| 461 | return (access_flags_ & synchonized) != 0; |
| 462 | } |
| 463 | |
| 464 | // Returns true if the method is declared final. |
| 465 | bool IsFinal() const { |
| 466 | return (access_flags_ & kAccFinal) != 0; |
| 467 | } |
| 468 | |
| 469 | // Returns true if the method is declared native. |
| 470 | bool IsNative() const { |
| 471 | return (access_flags_ & kAccNative) != 0; |
| 472 | } |
| 473 | |
| 474 | // Returns true if the method is declared abstract. |
| 475 | bool IsAbstract() const { |
| 476 | return (access_flags_ & kAccAbstract) != 0; |
| 477 | } |
| 478 | |
| 479 | bool IsSynthetic() const { |
| 480 | return (access_flags_ & kAccSynthetic) != 0; |
| 481 | } |
| 482 | |
| 483 | // Number of argument registers required by the prototype. |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 484 | uint32_t NumArgRegisters() const; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 485 | |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 486 | // Number of argument bytes required for densely packing the |
| 487 | // arguments into an array of arguments. |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 488 | size_t NumArgArrayBytes() const; |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 489 | |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 490 | // Converts a native PC to a virtual PC. TODO: this is a no-op |
| 491 | // until we associate a PC mapping table with each method. |
| 492 | uintptr_t ToDexPC(const uintptr_t pc) const { |
| 493 | return pc; |
| 494 | } |
| 495 | |
| 496 | // Converts a virtual PC to a native PC. TODO: this is a no-op |
| 497 | // until we associate a PC mapping table with each method. |
| 498 | uintptr_t ToNativePC(const uintptr_t pc) const { |
| 499 | return pc; |
| 500 | } |
| 501 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 502 | public: // TODO: private |
Jesse Wilson | 46cdd4b | 2011-07-28 17:40:48 -0400 | [diff] [blame] | 503 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 504 | // the class we are a part of |
| 505 | Class* declaring_class_; |
Jesse Wilson | 46cdd4b | 2011-07-28 17:40:48 -0400 | [diff] [blame] | 506 | ObjectArray<Class>* java_exception_types_; |
| 507 | Object* java_formal_type_parameters_; |
| 508 | Object* java_generic_exception_types_; |
| 509 | Object* java_generic_parameter_types_; |
| 510 | Object* java_generic_return_type_; |
| 511 | Class* java_return_type_; |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 512 | String* name_; |
Jesse Wilson | 46cdd4b | 2011-07-28 17:40:48 -0400 | [diff] [blame] | 513 | ObjectArray<Class>* java_parameter_types_; |
| 514 | uint32_t java_generic_types_are_initialized_; |
| 515 | uint32_t java_slot_; |
Brian Carlstrom | a7f4f48 | 2011-07-17 17:01:34 -0700 | [diff] [blame] | 516 | |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 517 | const StringPiece& GetShorty() const { |
| 518 | return shorty_; |
| 519 | } |
| 520 | |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 521 | bool IsReturnAReference() const { |
| 522 | return (shorty_[0] == 'L') || (shorty_[0] == '['); |
| 523 | } |
| 524 | |
| 525 | bool IsReturnAFloatOrDouble() const { |
| 526 | return (shorty_[0] == 'F') || (shorty_[0] == 'D'); |
| 527 | } |
| 528 | |
| 529 | bool IsReturnAFloat() const { |
| 530 | return shorty_[0] == 'F'; |
| 531 | } |
| 532 | |
| 533 | bool IsReturnADouble() const { |
| 534 | return shorty_[0] == 'D'; |
| 535 | } |
| 536 | |
| 537 | bool IsReturnALong() const { |
| 538 | return shorty_[0] == 'J'; |
| 539 | } |
| 540 | |
Ian Rogers | 45a76cb | 2011-07-21 22:00:15 -0700 | [diff] [blame] | 541 | bool IsReturnVoid() const { |
| 542 | return shorty_[0] == 'V'; |
| 543 | } |
| 544 | |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame^] | 545 | bool IsDirect() const { |
| 546 | return is_direct_; |
| 547 | } |
| 548 | |
Shih-wei Liao | 5381cf9 | 2011-07-27 00:28:04 -0700 | [diff] [blame] | 549 | // "Args" may refer to any of the 3 levels of "Args." |
| 550 | // To avoid confusion, our code will denote which "Args" clearly: |
| 551 | // 1. UserArgs: Args that a user see. |
| 552 | // 2. Args: Logical JVM-level Args. E.g., the first in Args will be the |
| 553 | // receiver. |
| 554 | // 3. CConvArgs: Calling Convention Args, which is physical-level Args. |
| 555 | // E.g., the first in Args is Method* for both static and non-static |
| 556 | // methods. And CConvArgs doesn't deal with the receiver because |
| 557 | // receiver is hardwired in an implicit register, so CConvArgs doesn't |
| 558 | // need to deal with it. |
| 559 | // |
| 560 | // The number of Args that should be supplied to this method |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 561 | size_t NumArgs() const { |
Shih-wei Liao | 5381cf9 | 2011-07-27 00:28:04 -0700 | [diff] [blame] | 562 | // "1 +" because the first in Args is the receiver. |
| 563 | // "- 1" because we don't count the return type. |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 564 | return (IsStatic() ? 0 : 1) + shorty_.length() - 1; |
| 565 | } |
| 566 | |
| 567 | // The number of reference arguments to this method including implicit this |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 568 | // pointer. |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 569 | size_t NumReferenceArgs() const; |
| 570 | |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 571 | // The number of long or double arguments. |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 572 | size_t NumLongOrDoubleArgs() const; |
| 573 | |
| 574 | // The number of reference arguments to this method before the given |
| 575 | // parameter index |
| 576 | size_t NumReferenceArgsBefore(unsigned int param) const; |
| 577 | |
| 578 | // Is the given method parameter a reference? |
| 579 | bool IsParamAReference(unsigned int param) const; |
| 580 | |
| 581 | // Is the given method parameter a long or double? |
| 582 | bool IsParamALongOrDouble(unsigned int param) const; |
| 583 | |
Ian Rogers | df20fe0 | 2011-07-20 20:34:16 -0700 | [diff] [blame] | 584 | // Size in bytes of the given parameter |
| 585 | size_t ParamSize(unsigned int param) const; |
| 586 | |
| 587 | // Size in bytes of the return value |
| 588 | size_t ReturnSize() const; |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 589 | |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 590 | bool HasCode() { |
| 591 | return code_ != NULL; |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 592 | } |
| 593 | |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 594 | const void* GetCode() { |
| 595 | return code_; |
| 596 | } |
| 597 | |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 598 | void SetCode(const byte* compiled_code, |
| 599 | size_t byte_count, |
| 600 | InstructionSet set) { |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 601 | // Copy the code into an executable region. |
| 602 | code_instruction_set_ = set; |
| 603 | code_area_.reset(MemMap::Map(byte_count, |
| 604 | PROT_READ | PROT_WRITE | PROT_EXEC)); |
Elliott Hughes | edcc09c | 2011-08-21 18:47:05 -0700 | [diff] [blame] | 605 | CHECK(code_area_.get()); |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 606 | byte* code = code_area_->GetAddress(); |
| 607 | memcpy(code, compiled_code, byte_count); |
| 608 | __builtin___clear_cache(code, code + byte_count); |
| 609 | |
| 610 | uintptr_t address = reinterpret_cast<uintptr_t>(code); |
| 611 | if (code_instruction_set_ == kThumb2) { |
| 612 | // Set the low-order bit so a BLX will switch to Thumb mode |
| 613 | address |= 0x1; |
| 614 | } |
| 615 | code_ = reinterpret_cast<void*>(address); |
| 616 | } |
| 617 | |
Shih-wei Liao | d11af15 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 618 | void SetFrameSizeInBytes(size_t frame_size_in_bytes) { |
| 619 | frame_size_in_bytes_ = frame_size_in_bytes; |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 620 | } |
| 621 | |
Shih-wei Liao | d11af15 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 622 | void SetReturnPcOffsetInBytes(size_t return_pc_offset_in_bytes) { |
| 623 | return_pc_offset_in_bytes_ = return_pc_offset_in_bytes; |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 624 | } |
| 625 | |
Shih-wei Liao | d11af15 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 626 | size_t GetFrameSizeInBytes() const { |
| 627 | return frame_size_in_bytes_; |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 628 | } |
| 629 | |
Shih-wei Liao | d11af15 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 630 | size_t GetReturnPcOffsetInBytes() const { |
| 631 | return return_pc_offset_in_bytes_; |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 632 | } |
| 633 | |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 634 | void SetCoreSpillMask(uint32_t core_spill_mask) { |
| 635 | core_spill_mask_ = core_spill_mask; |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 636 | } |
| 637 | |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 638 | static size_t GetCodeOffset() { |
| 639 | return OFFSETOF_MEMBER(Method, code_); |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 640 | } |
| 641 | |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 642 | void SetFpSpillMask(uint32_t fp_spill_mask) { |
| 643 | fp_spill_mask_ = fp_spill_mask; |
| 644 | } |
| 645 | |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 646 | void RegisterNative(const void* native_method) { |
Elliott Hughes | 5174fe6 | 2011-08-23 15:12:35 -0700 | [diff] [blame] | 647 | CHECK(native_method != NULL); |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 648 | native_method_ = native_method; |
| 649 | } |
| 650 | |
Elliott Hughes | 5174fe6 | 2011-08-23 15:12:35 -0700 | [diff] [blame] | 651 | void UnregisterNative() { |
| 652 | native_method_ = NULL; |
| 653 | } |
| 654 | |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 655 | static MemberOffset NativeMethodOffset() { |
| 656 | return MemberOffset(OFFSETOF_MEMBER(Method, native_method_)); |
| 657 | } |
| 658 | |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 659 | InvokeStub* GetInvokeStub() const { |
| 660 | return invoke_stub_; |
| 661 | } |
| 662 | |
| 663 | void SetInvokeStub(const InvokeStub* invoke_stub) { |
| 664 | invoke_stub_ = invoke_stub; |
| 665 | } |
| 666 | |
| 667 | static size_t GetInvokeStubOffset() { |
| 668 | return OFFSETOF_MEMBER(Method, invoke_stub_); |
| 669 | } |
| 670 | |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 671 | bool HasSameNameAndDescriptor(const Method* that) const; |
| 672 | |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 673 | public: // TODO: private/const |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 674 | // access flags; low 16 bits are defined by spec (could be uint16_t?) |
| 675 | uint32_t access_flags_; |
| 676 | |
| 677 | // For concrete virtual methods, this is the offset of the method |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 678 | // in Class::vtable_. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 679 | // |
| 680 | // For abstract methods in an interface class, this is the offset |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 681 | // of the method in "iftable_[n]->method_index_array_". |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 682 | uint16_t method_index_; |
| 683 | |
| 684 | // Method bounds; not needed for an abstract method. |
| 685 | // |
| 686 | // For a native method, we compute the size of the argument list, and |
| 687 | // set "insSize" and "registerSize" equal to it. |
| 688 | uint16_t num_registers_; // ins + locals |
| 689 | uint16_t num_outs_; |
| 690 | uint16_t num_ins_; |
| 691 | |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 692 | // Total size in bytes of the frame |
Shih-wei Liao | d11af15 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 693 | size_t frame_size_in_bytes_; |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 694 | |
| 695 | // Architecture-dependent register spill masks |
| 696 | uint32_t core_spill_mask_; |
| 697 | uint32_t fp_spill_mask_; |
| 698 | |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 699 | // The method descriptor. This represents the parameters a method |
| 700 | // takes and value it returns. This string is a list of the type |
| 701 | // descriptors for the parameters enclosed in parenthesis followed |
| 702 | // by the return type descriptor. For example, for the method |
| 703 | // |
| 704 | // Object mymethod(int i, double d, Thread t) |
| 705 | // |
| 706 | // the method descriptor would be |
| 707 | // |
| 708 | // (IDLjava/lang/Thread;)Ljava/lang/Object; |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 709 | String* signature_; |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 710 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 711 | // Method prototype descriptor string (return and argument types). |
| 712 | uint32_t proto_idx_; |
| 713 | |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 714 | // Offset to the CodeItem. |
| 715 | uint32_t code_off_; |
| 716 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 717 | // The short-form method descriptor string. |
| 718 | StringPiece shorty_; |
| 719 | |
Ian Rogers | 762400c | 2011-08-23 12:14:16 -0700 | [diff] [blame] | 720 | // short cuts to declaring_class_->dex_cache_ members for fast compiled code |
| 721 | // access |
Brian Carlstrom | c4fa2c0 | 2011-08-21 03:00:12 -0700 | [diff] [blame] | 722 | ObjectArray<String>* dex_cache_strings_; |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 723 | ObjectArray<Class>* dex_cache_types_; |
Brian Carlstrom | c4fa2c0 | 2011-08-21 03:00:12 -0700 | [diff] [blame] | 724 | ObjectArray<Method>* dex_cache_methods_; |
| 725 | ObjectArray<Field>* dex_cache_fields_; |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame^] | 726 | CodeAndDirectMethods* dex_cache_code_and_direct_methods_; |
| 727 | |
| 728 | bool is_direct_; |
Brian Carlstrom | c4fa2c0 | 2011-08-21 03:00:12 -0700 | [diff] [blame] | 729 | |
Brian Carlstrom | a7f4f48 | 2011-07-17 17:01:34 -0700 | [diff] [blame] | 730 | private: |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 731 | // Compiled code associated with this method |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 732 | scoped_ptr<MemMap> code_area_; |
Brian Carlstrom | 83db772 | 2011-08-26 17:32:56 -0700 | [diff] [blame] | 733 | const void* code_; |
| 734 | // Instruction set of the compiled code |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 735 | InstructionSet code_instruction_set_; |
| 736 | |
| 737 | // Size in bytes of compiled code associated with this method |
| 738 | const uint32_t code_size_; |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 739 | |
Ian Rogers | 762400c | 2011-08-23 12:14:16 -0700 | [diff] [blame] | 740 | // Offset of return PC within frame for compiled code (in bytes) |
Shih-wei Liao | d11af15 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 741 | // Offset of PC within compiled code (in bytes) |
| 742 | size_t return_pc_offset_in_bytes_; |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 743 | |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 744 | // Any native method registered with this method |
| 745 | const void* native_method_; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 746 | |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 747 | // Native invocation stub entry point. |
| 748 | const InvokeStub* invoke_stub_; |
| 749 | |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 750 | DISALLOW_IMPLICIT_CONSTRUCTORS(Method); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 751 | }; |
| 752 | |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 753 | class Array : public Object { |
| 754 | public: |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 755 | static size_t SizeOf(size_t component_count, |
| 756 | size_t component_size) { |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 757 | return sizeof(Array) + component_count * component_size; |
| 758 | } |
Elliott Hughes | 04b63fd | 2011-08-16 09:40:10 -0700 | [diff] [blame] | 759 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 760 | // Given the context of a calling Method, use its DexCache to |
| 761 | // resolve a type to an array Class. If it cannot be resolved, throw |
| 762 | // an error. If it can, use it to create an array. |
| 763 | static Array* AllocFromCode(uint32_t type_idx, Method* method, int32_t component_count); |
| 764 | |
Elliott Hughes | 68f4fa0 | 2011-08-21 10:46:59 -0700 | [diff] [blame] | 765 | // A convenience for code that doesn't know the component size, |
| 766 | // and doesn't want to have to work it out itself. |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 767 | static Array* Alloc(Class* array_class, int32_t component_count); |
Elliott Hughes | 68f4fa0 | 2011-08-21 10:46:59 -0700 | [diff] [blame] | 768 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 769 | static Array* Alloc(Class* array_class, int32_t component_count, size_t component_size); |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 770 | |
Elliott Hughes | 04b63fd | 2011-08-16 09:40:10 -0700 | [diff] [blame] | 771 | size_t SizeOf() const; |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 772 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 773 | int32_t GetLength() const { |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 774 | return length_; |
| 775 | } |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 776 | |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 777 | void SetLength(uint32_t length) { |
| 778 | length_ = length; |
| 779 | } |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 780 | |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 781 | static MemberOffset LengthOffset() { |
| 782 | return MemberOffset(OFFSETOF_MEMBER(Array, length_)); |
| 783 | } |
| 784 | |
| 785 | static MemberOffset DataOffset() { |
| 786 | return MemberOffset(OFFSETOF_MEMBER(Array, first_element_)); |
| 787 | } |
| 788 | |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 789 | protected: |
| 790 | bool IsValidIndex(int32_t index) const { |
| 791 | if (index < 0 || index >= length_) { |
Elliott Hughes | a5b897e | 2011-08-16 11:33:06 -0700 | [diff] [blame] | 792 | Thread* self = Thread::Current(); |
| 793 | self->ThrowNewException("Ljava/lang/ArrayIndexOutOfBoundsException;", |
| 794 | "length=%i; index=%i", length_, index); |
Elliott Hughes | 710a0cb | 2011-08-16 14:32:37 -0700 | [diff] [blame] | 795 | return false; |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 796 | } |
| 797 | return true; |
| 798 | } |
| 799 | |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 800 | private: |
| 801 | // The number of array elements. |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 802 | int32_t length_; |
Jesse Wilson | df4189c | 2011-08-09 17:10:28 -0400 | [diff] [blame] | 803 | // Padding to ensure the first member defined by a subclass begins on a 8-byte boundary |
| 804 | int32_t padding_; |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 805 | // Marker for the data (used by generated code) |
| 806 | uint32_t first_element_[0]; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 807 | |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 808 | DISALLOW_IMPLICIT_CONSTRUCTORS(Array); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 809 | }; |
| 810 | |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 811 | template<class T> |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 812 | class ObjectArray : public Array { |
| 813 | public: |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 814 | static ObjectArray<T>* Alloc(Class* object_array_class, |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 815 | int32_t length) { |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 816 | return Array::Alloc(object_array_class, length, sizeof(uint32_t))->AsObjectArray<T>(); |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 817 | } |
| 818 | |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 819 | T* const * GetData() const { |
| 820 | return reinterpret_cast<T* const *>(&elements_); |
| 821 | } |
Jesse Wilson | df4189c | 2011-08-09 17:10:28 -0400 | [diff] [blame] | 822 | |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 823 | T** GetData() { |
| 824 | return reinterpret_cast<T**>(&elements_); |
| 825 | } |
Jesse Wilson | df4189c | 2011-08-09 17:10:28 -0400 | [diff] [blame] | 826 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 827 | T* Get(int32_t i) const { |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 828 | if (!IsValidIndex(i)) { |
| 829 | return NULL; |
| 830 | } |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 831 | return GetData()[i]; |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 832 | } |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 833 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 834 | void Set(int32_t i, T* object) { |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 835 | if (IsValidIndex(i)) { |
| 836 | // TODO: ArrayStoreException |
| 837 | GetData()[i] = object; // TODO: write barrier |
| 838 | } |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 839 | } |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 840 | |
| 841 | static void Copy(ObjectArray<T>* src, int src_pos, |
| 842 | ObjectArray<T>* dst, int dst_pos, |
| 843 | size_t length) { |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 844 | for (size_t i = 0; i < length; i++) { |
| 845 | dst->Set(dst_pos + i, src->Get(src_pos + i)); |
| 846 | } |
| 847 | } |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 848 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 849 | ObjectArray<T>* CopyOf(int32_t new_length) { |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 850 | ObjectArray<T>* new_array = Alloc(klass_, new_length); |
| 851 | Copy(this, 0, new_array, 0, std::min(GetLength(), new_length)); |
| 852 | return new_array; |
| 853 | } |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 854 | |
| 855 | private: |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 856 | // Location of first element. |
| 857 | T* elements_[0]; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 858 | |
| 859 | DISALLOW_IMPLICIT_CONSTRUCTORS(ObjectArray); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 860 | }; |
| 861 | |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 862 | // ClassLoader objects. |
| 863 | class ClassLoader : public Object { |
| 864 | public: |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 865 | const std::vector<const DexFile*>& GetClassPath() const { |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 866 | return class_path_; |
| 867 | } |
| 868 | void SetClassPath(std::vector<const DexFile*>& class_path) { |
| 869 | DCHECK_EQ(0U, class_path_.size()); |
| 870 | class_path_ = class_path; |
| 871 | } |
| 872 | |
| 873 | private: |
| 874 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| 875 | Object* packages_; |
| 876 | ClassLoader* parent_; |
| 877 | |
Brian Carlstrom | 4a289ed | 2011-08-16 17:17:49 -0700 | [diff] [blame] | 878 | // TODO: remove once we can create a real PathClassLoader |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 879 | std::vector<const DexFile*> class_path_; |
| 880 | |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 881 | DISALLOW_IMPLICIT_CONSTRUCTORS(ClassLoader); |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 882 | }; |
| 883 | |
| 884 | class BaseDexClassLoader : public ClassLoader { |
| 885 | private: |
| 886 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| 887 | String* original_path_; |
| 888 | Object* path_list_; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 889 | DISALLOW_IMPLICIT_CONSTRUCTORS(BaseDexClassLoader); |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 890 | }; |
| 891 | |
| 892 | class PathClassLoader : public BaseDexClassLoader { |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 893 | public: |
| 894 | static PathClassLoader* Alloc(std::vector<const DexFile*> dex_files); |
| 895 | static void SetClass(Class* dalvik_system_PathClassLoader); |
| 896 | static void ResetClass(); |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 897 | private: |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 898 | static Class* dalvik_system_PathClassLoader_; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 899 | DISALLOW_IMPLICIT_CONSTRUCTORS(PathClassLoader); |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 900 | }; |
| 901 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 902 | // Class objects. |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 903 | class Class : public Object { |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 904 | public: |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 905 | |
| 906 | // Class Status |
| 907 | // |
| 908 | // kStatusNotReady: If a Class cannot be found in the class table by |
| 909 | // FindClass, it allocates an new one with AllocClass in the |
| 910 | // kStatusNotReady and calls LoadClass. Note if it does find a |
| 911 | // class, it may not be kStatusResolved and it will try to push it |
| 912 | // forward toward kStatusResolved. |
| 913 | // |
| 914 | // kStatusIdx: LoadClass populates with Class with information from |
| 915 | // the DexFile, moving the status to kStatusIdx, indicating that the |
| 916 | // Class values in super_class_ and interfaces_ have not been |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 917 | // populated based on super_class_type_idx_ and |
| 918 | // interfaces_type_idx_. The new Class can then be inserted into the |
| 919 | // classes table. |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 920 | // |
| 921 | // kStatusLoaded: After taking a lock on Class, the ClassLinker will |
| 922 | // attempt to move a kStatusIdx class forward to kStatusLoaded by |
| 923 | // using ResolveClass to initialize the super_class_ and interfaces_. |
| 924 | // |
| 925 | // kStatusResolved: Still holding the lock on Class, the ClassLinker |
| 926 | // will use LinkClass to link all members, creating Field and Method |
| 927 | // objects, setting up the vtable, etc. On success, the class is |
| 928 | // marked kStatusResolved. |
| 929 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 930 | enum Status { |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 931 | kStatusError = -1, |
| 932 | kStatusNotReady = 0, |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 933 | kStatusIdx = 1, // loaded, DEX idx in super_class_type_idx_ and interfaces_type_idx_ |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 934 | kStatusLoaded = 2, // DEX idx values resolved |
| 935 | kStatusResolved = 3, // part of linking |
| 936 | kStatusVerifying = 4, // in the process of being verified |
| 937 | kStatusVerified = 5, // logically part of linking; done pre-init |
| 938 | kStatusInitializing = 6, // class init in progress |
| 939 | kStatusInitialized = 7, // ready to go |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 940 | }; |
| 941 | |
| 942 | enum PrimitiveType { |
| 943 | kPrimNot = -1 |
| 944 | }; |
| 945 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 946 | // Given the context of a calling Method, use its DexCache to |
| 947 | // resolve a type to a Class. If it cannot be resolved, throw an |
| 948 | // error. If it can, use it to create an instance. |
| 949 | static Object* NewInstanceFromCode(uint32_t type_idx, Method* method); |
| 950 | |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 951 | Object* NewInstance() { |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 952 | DCHECK(!IsAbstract()); |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 953 | return Heap::AllocObject(this, this->object_size_); |
| 954 | } |
| 955 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 956 | Class* GetSuperClass() const { |
| 957 | return super_class_; |
| 958 | } |
| 959 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 960 | uint32_t GetSuperClassTypeIdx() const { |
| 961 | return super_class_type_idx_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 962 | } |
| 963 | |
| 964 | bool HasSuperClass() const { |
| 965 | return super_class_ != NULL; |
| 966 | } |
| 967 | |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 968 | bool IsAssignableFrom(const Class* klass) const { |
| 969 | DCHECK(klass != NULL); |
| 970 | if (this == klass) { |
| 971 | return true; |
| 972 | } |
| 973 | if (IsInterface()) { |
| 974 | return klass->Implements(this); |
| 975 | } |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 976 | if (klass->IsArrayClass()) { |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 977 | return IsAssignableFromArray(klass); |
| 978 | } |
| 979 | return klass->IsSubClass(this); |
| 980 | } |
| 981 | |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 982 | const ClassLoader* GetClassLoader() const { |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 983 | return class_loader_; |
| 984 | } |
| 985 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 986 | DexCache* GetDexCache() const { |
| 987 | return dex_cache_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 988 | } |
| 989 | |
| 990 | Class* GetComponentType() const { |
| 991 | return component_type_; |
| 992 | } |
| 993 | |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 994 | static size_t GetTypeSize(String* descriptor); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 995 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 996 | size_t GetComponentSize() const { |
| 997 | return GetTypeSize(component_type_->descriptor_); |
| 998 | } |
| 999 | |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1000 | const String* GetDescriptor() const { |
| 1001 | DCHECK(descriptor_ != NULL); |
| 1002 | // DCHECK_NE(0, descriptor_->GetLength()); // TODO: keep? |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1003 | return descriptor_; |
| 1004 | } |
| 1005 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1006 | size_t SizeOf() const { |
| 1007 | return class_size_; |
| 1008 | } |
| 1009 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1010 | Status GetStatus() const { |
| 1011 | return status_; |
| 1012 | } |
| 1013 | |
| 1014 | void SetStatus(Status new_status) { |
| 1015 | // TODO: validate transition |
| 1016 | status_ = new_status; |
| 1017 | } |
| 1018 | |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 1019 | // Returns true if the class has failed to link. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1020 | bool IsErroneous() const { |
| 1021 | return GetStatus() == kStatusError; |
| 1022 | } |
| 1023 | |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 1024 | // Returns true if the class has been verified. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1025 | bool IsVerified() const { |
| 1026 | return GetStatus() >= kStatusVerified; |
| 1027 | } |
| 1028 | |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 1029 | // Returns true if the class has been linked. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1030 | bool IsLinked() const { |
| 1031 | return GetStatus() >= kStatusResolved; |
| 1032 | } |
| 1033 | |
Carl Shapiro | 83ab4f3 | 2011-08-15 20:21:39 -0700 | [diff] [blame] | 1034 | // Returns true if the class has been loaded. |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 1035 | bool IsLoaded() const { |
| 1036 | return GetStatus() >= kStatusLoaded; |
| 1037 | } |
| 1038 | |
Carl Shapiro | 83ab4f3 | 2011-08-15 20:21:39 -0700 | [diff] [blame] | 1039 | // Returns true if the class is initialized. |
| 1040 | bool IsInitialized() const { |
| 1041 | return GetStatus() == kStatusInitialized; |
| 1042 | } |
| 1043 | |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 1044 | // Returns true if this class is in the same packages as that class. |
| 1045 | bool IsInSamePackage(const Class* that) const; |
| 1046 | |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1047 | static bool IsInSamePackage(const String* descriptor1, |
| 1048 | const String* descriptor2); |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 1049 | |
| 1050 | // Returns true if this class represents an array class. |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 1051 | bool IsArrayClass() const; |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 1052 | |
| 1053 | // Returns true if the class is an interface. |
| 1054 | bool IsInterface() const { |
| 1055 | return (access_flags_ & kAccInterface) != 0; |
| 1056 | } |
| 1057 | |
| 1058 | // Returns true if the class is declared public. |
| 1059 | bool IsPublic() const { |
| 1060 | return (access_flags_ & kAccPublic) != 0; |
| 1061 | } |
| 1062 | |
| 1063 | // Returns true if the class is declared final. |
| 1064 | bool IsFinal() const { |
| 1065 | return (access_flags_ & kAccFinal) != 0; |
| 1066 | } |
| 1067 | |
| 1068 | // Returns true if the class is abstract. |
| 1069 | bool IsAbstract() const { |
| 1070 | return (access_flags_ & kAccAbstract) != 0; |
| 1071 | } |
| 1072 | |
| 1073 | // Returns true if the class is an annotation. |
| 1074 | bool IsAnnotation() const { |
| 1075 | return (access_flags_ & kAccAnnotation) != 0; |
| 1076 | } |
| 1077 | |
| 1078 | // Returns true if the class is a primitive type. |
| 1079 | bool IsPrimitive() const { |
| 1080 | return primitive_type_ != kPrimNot; |
| 1081 | } |
| 1082 | |
Brian Carlstrom | ae3ac01 | 2011-07-27 01:30:28 -0700 | [diff] [blame] | 1083 | // Returns true if the class is synthetic. |
| 1084 | bool IsSynthetic() const { |
| 1085 | return (access_flags_ & kAccSynthetic) != 0; |
| 1086 | } |
| 1087 | |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 1088 | // Returns true if this class can access that class. |
| 1089 | bool CanAccess(const Class* that) const { |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1090 | return that->IsPublic() || this->IsInSamePackage(that); |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 1091 | } |
| 1092 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1093 | // Returns the number of static, private, and constructor methods. |
| 1094 | size_t NumDirectMethods() const { |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1095 | return (direct_methods_ != NULL) ? direct_methods_->GetLength() : 0; |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 1096 | } |
| 1097 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 1098 | Method* GetDirectMethod(int32_t i) const { |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1099 | DCHECK_NE(NumDirectMethods(), 0U); |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1100 | return direct_methods_->Get(i); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1101 | } |
| 1102 | |
| 1103 | void SetDirectMethod(uint32_t i, Method* f) { // TODO: uint16_t |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1104 | DCHECK_NE(NumDirectMethods(), 0U); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1105 | direct_methods_->Set(i, f); |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 1106 | } |
| 1107 | |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 1108 | Method* FindDeclaredDirectMethod(const StringPiece& name, |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1109 | const StringPiece& signature); |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 1110 | |
| 1111 | Method* FindDirectMethod(const StringPiece& name, |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1112 | const StringPiece& signature); |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 1113 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1114 | // Returns the number of non-inherited virtual methods. |
| 1115 | size_t NumVirtualMethods() const { |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1116 | return (virtual_methods_ != NULL) ? virtual_methods_->GetLength() : 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1117 | } |
| 1118 | |
| 1119 | Method* GetVirtualMethod(uint32_t i) const { |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1120 | DCHECK_NE(NumVirtualMethods(), 0U); |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1121 | return virtual_methods_->Get(i); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1122 | } |
| 1123 | |
| 1124 | void SetVirtualMethod(uint32_t i, Method* f) { // TODO: uint16_t |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1125 | DCHECK_NE(NumVirtualMethods(), 0U); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1126 | virtual_methods_->Set(i, f); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1127 | } |
| 1128 | |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1129 | // Given a method implemented by this class but potentially from a |
| 1130 | // super class, return the specific implementation |
| 1131 | // method for this class. |
| 1132 | Method* FindVirtualMethodForVirtual(Method* method) { |
| 1133 | DCHECK(!method->GetDeclaringClass()->IsInterface()); |
| 1134 | // The argument method may from a super class. |
| 1135 | // Use the index to a potentially overriden one for this instance's class. |
| 1136 | return vtable_->Get(method->method_index_); |
| 1137 | } |
| 1138 | |
| 1139 | // Given a method implemented by this class, but potentially from a |
| 1140 | // super class or interface, return the specific implementation |
| 1141 | // method for this class. |
| 1142 | Method* FindVirtualMethodForInterface(Method* method); |
| 1143 | |
| 1144 | Method* FindVirtualMethodForVirtualOrInterface(Method* method) { |
| 1145 | if (method->GetDeclaringClass()->IsInterface()) { |
| 1146 | return FindVirtualMethodForInterface(method); |
| 1147 | } |
| 1148 | return FindVirtualMethodForVirtual(method); |
Elliott Hughes | 72025e5 | 2011-08-23 17:50:30 -0700 | [diff] [blame] | 1149 | } |
| 1150 | |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 1151 | Method* FindDeclaredVirtualMethod(const StringPiece& name, |
| 1152 | const StringPiece& descriptor); |
| 1153 | |
| 1154 | Method* FindVirtualMethod(const StringPiece& name, |
| 1155 | const StringPiece& descriptor); |
| 1156 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1157 | size_t NumInstanceFields() const { |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1158 | return (ifields_ != NULL) ? ifields_->GetLength() : 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1159 | } |
| 1160 | |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 1161 | // Returns the number of instance fields containing reference types. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1162 | size_t NumReferenceInstanceFields() const { |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 1163 | return num_reference_instance_fields_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1164 | } |
| 1165 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1166 | // Returns the number of static fields containing reference types. |
| 1167 | size_t NumReferenceStaticFields() const { |
| 1168 | return num_reference_static_fields_; |
| 1169 | } |
| 1170 | |
Elliott Hughes | cdf5312 | 2011-08-19 15:46:09 -0700 | [diff] [blame] | 1171 | // Finds the given instance field in this class or a superclass. |
| 1172 | Field* FindInstanceField(const StringPiece& name, |
| 1173 | const StringPiece& descriptor); |
| 1174 | |
| 1175 | Field* FindDeclaredInstanceField(const StringPiece& name, |
| 1176 | const StringPiece& descriptor); |
| 1177 | |
| 1178 | // Finds the given static field in this class or a superclass. |
| 1179 | Field* FindStaticField(const StringPiece& name, |
| 1180 | const StringPiece& descriptor); |
| 1181 | |
| 1182 | Field* FindDeclaredStaticField(const StringPiece& name, |
| 1183 | const StringPiece& descriptor); |
| 1184 | |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 1185 | Field* GetInstanceField(uint32_t i) const { // TODO: uint16_t |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1186 | DCHECK_NE(NumInstanceFields(), 0U); |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1187 | return ifields_->Get(i); |
Brian Carlstrom | a7f4f48 | 2011-07-17 17:01:34 -0700 | [diff] [blame] | 1188 | } |
| 1189 | |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 1190 | void SetInstanceField(uint32_t i, Field* f) { // TODO: uint16_t |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1191 | DCHECK_NE(NumInstanceFields(), 0U); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1192 | ifields_->Set(i, f); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1193 | } |
| 1194 | |
| 1195 | size_t NumStaticFields() const { |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1196 | return (sfields_ != NULL) ? sfields_->GetLength() : 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1197 | } |
| 1198 | |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 1199 | Field* GetStaticField(uint32_t i) const { // TODO: uint16_t |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1200 | DCHECK_NE(NumStaticFields(), 0U); |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1201 | return sfields_->Get(i); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1202 | } |
| 1203 | |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 1204 | void SetStaticField(uint32_t i, Field* f) { // TODO: uint16_t |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1205 | DCHECK_NE(NumStaticFields(), 0U); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1206 | sfields_->Set(i, f); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1207 | } |
| 1208 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1209 | uint32_t GetReferenceInstanceOffsets() const { |
| 1210 | return reference_instance_offsets_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1211 | } |
| 1212 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1213 | void SetReferenceInstanceOffsets(uint32_t new_reference_offsets) { |
| 1214 | reference_instance_offsets_ = new_reference_offsets; |
| 1215 | } |
| 1216 | |
| 1217 | uint32_t GetReferenceStaticOffsets() const { |
| 1218 | return reference_static_offsets_; |
| 1219 | } |
| 1220 | |
| 1221 | void SetReferenceStaticOffsets(uint32_t new_reference_offsets) { |
| 1222 | reference_static_offsets_ = new_reference_offsets; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1223 | } |
| 1224 | |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 1225 | size_t NumInterfaces() const { |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1226 | return (interfaces_ != NULL) ? interfaces_->GetLength() : 0; |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 1227 | } |
| 1228 | |
| 1229 | Class* GetInterface(uint32_t i) const { |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1230 | DCHECK_NE(NumInterfaces(), 0U); |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1231 | return interfaces_->Get(i); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1232 | } |
| 1233 | |
| 1234 | void SetInterface(uint32_t i, Class* f) { // TODO: uint16_t |
Brian Carlstrom | 75cb3b4 | 2011-07-28 02:13:36 -0700 | [diff] [blame] | 1235 | DCHECK_NE(NumInterfaces(), 0U); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1236 | interfaces_->Set(i, f); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 1237 | } |
| 1238 | |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 1239 | void SetVerifyErrorClass(Class* klass) { |
| 1240 | // Note SetFieldObject is used rather than verify_error_class_ directly for the barrier |
| 1241 | size_t field_offset = OFFSETOF_MEMBER(Class, verify_error_class_); |
| 1242 | klass->SetFieldObject(field_offset, klass); |
| 1243 | } |
| 1244 | |
| 1245 | private: |
| 1246 | bool Implements(const Class* klass) const; |
| 1247 | bool IsArrayAssignableFromArray(const Class* klass) const; |
| 1248 | bool IsAssignableFromArray(const Class* klass) const; |
| 1249 | bool IsSubClass(const Class* klass) const; |
| 1250 | |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 1251 | public: // TODO: private |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1252 | // descriptor for the class such as "java.lang.Class" or "[C" |
| 1253 | String* name_; // TODO initialize |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1254 | |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1255 | // descriptor for the class such as "Ljava/lang/Class;" or "[C" |
| 1256 | String* descriptor_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1257 | |
| 1258 | // access flags; low 16 bits are defined by VM spec |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 1259 | uint32_t access_flags_; // TODO: make an instance field? |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1260 | |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1261 | // DexCache of resolved constant pool entries |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1262 | // (will be NULL for VM-generated, e.g. arrays and primitive classes) |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 1263 | DexCache* dex_cache_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1264 | |
| 1265 | // state of class initialization |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1266 | Status status_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1267 | |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 1268 | // If class verify fails, we must return same error on subsequent tries. |
| 1269 | // Update with SetVerifyErrorClass to ensure a write barrier is used. |
| 1270 | const Class* verify_error_class_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1271 | |
| 1272 | // threadId, used to check for recursive <clinit> invocation |
| 1273 | uint32_t clinit_thread_id_; |
| 1274 | |
| 1275 | // Total object size; used when allocating storage on gc heap. (For |
| 1276 | // interfaces and abstract classes this will be zero.) |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1277 | size_t object_size_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1278 | |
| 1279 | // For array classes, the class object for base element, for |
| 1280 | // instanceof/checkcast (for String[][][], this will be String). |
| 1281 | // Otherwise, NULL. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1282 | Class* component_type_; // TODO: make an instance field |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1283 | |
| 1284 | // For array classes, the number of array dimensions, e.g. int[][] |
| 1285 | // is 2. Otherwise 0. |
| 1286 | int32_t array_rank_; |
| 1287 | |
| 1288 | // primitive type index, or PRIM_NOT (-1); set for generated prim classes |
| 1289 | PrimitiveType primitive_type_; |
| 1290 | |
| 1291 | // The superclass, or NULL if this is java.lang.Object or a |
| 1292 | // primitive type. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1293 | Class* super_class_; // TODO: make an instance field |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1294 | uint32_t super_class_type_idx_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1295 | |
| 1296 | // defining class loader, or NULL for the "bootstrap" system loader |
Brian Carlstrom | 9ea1cb1 | 2011-08-24 23:18:18 -0700 | [diff] [blame] | 1297 | const ClassLoader* class_loader_; // TODO: make an instance field |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1298 | |
| 1299 | // initiating class loader list |
| 1300 | // NOTE: for classes with low serialNumber, these are unused, and the |
| 1301 | // values are kept in a table in gDvm. |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 1302 | // InitiatingLoaderList initiating_loader_list_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1303 | |
| 1304 | // array of interfaces this class implements directly |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1305 | ObjectArray<Class>* interfaces_; |
Elliott Hughes | c1674ed | 2011-08-25 18:09:09 -0700 | [diff] [blame] | 1306 | IntArray* interfaces_type_idx_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1307 | |
| 1308 | // static, private, and <init> methods |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1309 | ObjectArray<Method>* direct_methods_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1310 | |
| 1311 | // virtual methods defined in this class; invoked through vtable |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1312 | ObjectArray<Method>* virtual_methods_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1313 | |
| 1314 | // Virtual method table (vtable), for use by "invoke-virtual". The |
| 1315 | // vtable from the superclass is copied in, and virtual methods from |
| 1316 | // our class either replace those from the super or are appended. |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1317 | ObjectArray<Method>* vtable_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1318 | |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1319 | // Interface table (iftable_), one entry per interface supported by |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1320 | // this class. That means one entry for each interface we support |
| 1321 | // directly, indirectly via superclass, or indirectly via |
| 1322 | // superinterface. This will be null if neither we nor our |
| 1323 | // superclass implement any interfaces. |
| 1324 | // |
| 1325 | // Why we need this: given "class Foo implements Face", declare |
| 1326 | // "Face faceObj = new Foo()". Invoke faceObj.blah(), where "blah" |
| 1327 | // is part of the Face interface. We can't easily use a single |
| 1328 | // vtable. |
| 1329 | // |
| 1330 | // For every interface a concrete class implements, we create a list |
| 1331 | // of virtualMethod indices for the methods in the interface. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1332 | size_t iftable_count_; |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1333 | // TODO convert to ObjectArray<?> |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1334 | InterfaceEntry* iftable_; |
| 1335 | |
| 1336 | // The interface vtable indices for iftable get stored here. By |
| 1337 | // placing them all in a single pool for each class that implements |
| 1338 | // interfaces, we decrease the number of allocations. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1339 | size_t ifvi_pool_count_; |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1340 | // TODO convert to IntArray |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1341 | uint32_t* ifvi_pool_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1342 | |
| 1343 | // instance fields |
| 1344 | // |
| 1345 | // These describe the layout of the contents of a |
| 1346 | // DataObject-compatible Object. Note that only the fields directly |
| 1347 | // declared by this class are listed in ifields; fields declared by |
Brian Carlstrom | a331b3c | 2011-07-18 17:47:56 -0700 | [diff] [blame] | 1348 | // a superclass are listed in the superclass's Class.ifields. |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1349 | // |
| 1350 | // All instance fields that refer to objects are guaranteed to be at |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1351 | // the beginning of the field list. num_reference_instance_fields_ |
| 1352 | // specifies the number of reference fields. |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 1353 | ObjectArray<Field>* ifields_; |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 1354 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1355 | // number of instance fields that are object refs |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 1356 | size_t num_reference_instance_fields_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1357 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1358 | // Bitmap of offsets of ifields. |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1359 | uint32_t reference_instance_offsets_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1360 | |
| 1361 | // source file name, if known. Otherwise, NULL. |
| 1362 | const char* source_file_; |
| 1363 | |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 1364 | // Static fields |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 1365 | ObjectArray<Field>* sfields_; |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 1366 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1367 | // number of static fields that are object refs |
| 1368 | size_t num_reference_static_fields_; |
| 1369 | |
| 1370 | // Bitmap of offsets of sfields. |
| 1371 | uint32_t reference_static_offsets_; |
| 1372 | |
| 1373 | // Total class size; used when allocating storage on gc heap. |
| 1374 | size_t class_size_; |
| 1375 | |
| 1376 | // Location of first static field. |
| 1377 | uint32_t fields_[0]; |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 1378 | |
Brian Carlstrom | a7f4f48 | 2011-07-17 17:01:34 -0700 | [diff] [blame] | 1379 | private: |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1380 | DISALLOW_IMPLICIT_CONSTRUCTORS(Class); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1381 | }; |
Elliott Hughes | 1f359b0 | 2011-07-17 14:27:17 -0700 | [diff] [blame] | 1382 | std::ostream& operator<<(std::ostream& os, const Class::Status& rhs); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1383 | |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 1384 | inline bool Object::InstanceOf(const Class* klass) const { |
Jesse Wilson | 1415074 | 2011-07-29 19:04:44 -0400 | [diff] [blame] | 1385 | DCHECK(klass != NULL); |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 1386 | DCHECK(klass_ != NULL); |
| 1387 | return klass->IsAssignableFrom(klass_); |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 1388 | } |
| 1389 | |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 1390 | inline bool Object::IsClass() const { |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 1391 | Class* java_lang_Class = klass_->klass_; |
| 1392 | return klass_ == java_lang_Class; |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 1393 | } |
| 1394 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1395 | inline bool Object::IsClassClass() const { |
| 1396 | Class* java_lang_Class = klass_->klass_; |
| 1397 | return this == java_lang_Class; |
| 1398 | } |
| 1399 | |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 1400 | inline bool Object::IsObjectArray() const { |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 1401 | return IsArrayInstance() && !klass_->component_type_->IsPrimitive(); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 1402 | } |
| 1403 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 1404 | inline bool Object::IsArrayInstance() const { |
| 1405 | return klass_->IsArrayClass(); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 1406 | } |
| 1407 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 1408 | inline bool Object::IsField() const { |
| 1409 | Class* java_lang_Class = klass_->klass_; |
| 1410 | Class* java_lang_reflect_Field = java_lang_Class->GetInstanceField(0)->klass_; |
| 1411 | return klass_ == java_lang_reflect_Field; |
| 1412 | } |
| 1413 | |
| 1414 | inline bool Object::IsMethod() const { |
| 1415 | Class* java_lang_Class = klass_->klass_; |
| 1416 | Class* java_lang_reflect_Method = java_lang_Class->GetDirectMethod(0)->klass_; |
| 1417 | return klass_ == java_lang_reflect_Method; |
| 1418 | } |
| 1419 | |
Elliott Hughes | 04b63fd | 2011-08-16 09:40:10 -0700 | [diff] [blame] | 1420 | inline size_t Object::SizeOf() const { |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 1421 | if (IsArrayInstance()) { |
Elliott Hughes | 04b63fd | 2011-08-16 09:40:10 -0700 | [diff] [blame] | 1422 | return AsArray()->SizeOf(); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 1423 | } |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1424 | if (IsClass()) { |
| 1425 | return AsClass()->SizeOf(); |
| 1426 | } |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 1427 | return klass_->object_size_; |
| 1428 | } |
| 1429 | |
Elliott Hughes | 04b63fd | 2011-08-16 09:40:10 -0700 | [diff] [blame] | 1430 | inline size_t Array::SizeOf() const { |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1431 | return SizeOf(GetLength(), klass_->GetComponentSize()); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 1432 | } |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 1433 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1434 | class ClassClass : public Class { |
| 1435 | private: |
| 1436 | // Padding to ensure the 64-bit serialVersionUID_ begins on a 8-byte boundary |
| 1437 | int32_t padding_; |
| 1438 | int64_t serialVersionUID_; |
| 1439 | DISALLOW_IMPLICIT_CONSTRUCTORS(ClassClass); |
| 1440 | }; |
| 1441 | |
| 1442 | class StringClass : public Class { |
| 1443 | private: |
| 1444 | CharArray* ASCII_; |
| 1445 | Object* CASE_INSENSITIVE_ORDER_; |
| 1446 | uint32_t REPLACEMENT_CHAR_; |
| 1447 | int64_t serialVersionUID; |
| 1448 | DISALLOW_IMPLICIT_CONSTRUCTORS(StringClass); |
| 1449 | }; |
| 1450 | |
| 1451 | class FieldClass : public Class { |
| 1452 | private: |
| 1453 | Object* ORDER_BY_NAME_AND_DECLARING_CLASS_; |
| 1454 | uint32_t TYPE_BOOLEAN_; |
| 1455 | uint32_t TYPE_BYTE_; |
| 1456 | uint32_t TYPE_CHAR_; |
| 1457 | uint32_t TYPE_DOUBLE_; |
| 1458 | uint32_t TYPE_FLOAT_; |
| 1459 | uint32_t TYPE_INTEGER_; |
| 1460 | uint32_t TYPE_LONG_; |
| 1461 | uint32_t TYPE_SHORT_; |
| 1462 | DISALLOW_IMPLICIT_CONSTRUCTORS(FieldClass); |
| 1463 | }; |
| 1464 | |
| 1465 | class MethodClass : public Class { |
| 1466 | private: |
| 1467 | int32_t DECLARED_; |
| 1468 | int32_t PUBLIC_; |
| 1469 | DISALLOW_IMPLICIT_CONSTRUCTORS(MethodClass); |
| 1470 | }; |
| 1471 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1472 | class DataObject : public Object { |
| 1473 | public: |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1474 | // Location of first instance field. |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 1475 | uint32_t fields_[0]; |
Brian Carlstrom | a7f4f48 | 2011-07-17 17:01:34 -0700 | [diff] [blame] | 1476 | private: |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1477 | DISALLOW_IMPLICIT_CONSTRUCTORS(DataObject); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1478 | }; |
| 1479 | |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 1480 | template<class T> |
| 1481 | class PrimitiveArray : public Array { |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 1482 | public: |
Elliott Hughes | 710a0cb | 2011-08-16 14:32:37 -0700 | [diff] [blame] | 1483 | typedef T ElementType; |
| 1484 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 1485 | static PrimitiveArray<T>* Alloc(size_t length); |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 1486 | |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 1487 | const T* GetData() const { |
| 1488 | return reinterpret_cast<const T*>(&elements_); |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 1489 | } |
| 1490 | |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 1491 | T* GetData() { |
| 1492 | return reinterpret_cast<T*>(&elements_); |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 1493 | } |
| 1494 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 1495 | T Get(int32_t i) const { |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 1496 | if (!IsValidIndex(i)) { |
Elliott Hughes | 710a0cb | 2011-08-16 14:32:37 -0700 | [diff] [blame] | 1497 | return T(0); |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 1498 | } |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 1499 | return GetData()[i]; |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 1500 | } |
| 1501 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 1502 | void Set(int32_t i, T value) { |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 1503 | // TODO: ArrayStoreException |
| 1504 | if (IsValidIndex(i)) { |
| 1505 | GetData()[i] = value; |
| 1506 | } |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 1507 | } |
| 1508 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 1509 | static void SetArrayClass(Class* array_class) { |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 1510 | CHECK(array_class_ == NULL); |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 1511 | CHECK(array_class != NULL); |
| 1512 | array_class_ = array_class; |
| 1513 | } |
| 1514 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 1515 | static void ResetArrayClass() { |
| 1516 | CHECK(array_class_ != NULL); |
| 1517 | array_class_ = NULL; |
| 1518 | } |
| 1519 | |
Brian Carlstrom | a7f4f48 | 2011-07-17 17:01:34 -0700 | [diff] [blame] | 1520 | private: |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 1521 | // Location of first element. |
| 1522 | T elements_[0]; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1523 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 1524 | static Class* array_class_; |
| 1525 | |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1526 | DISALLOW_IMPLICIT_CONSTRUCTORS(PrimitiveArray); |
Brian Carlstrom | a7f4f48 | 2011-07-17 17:01:34 -0700 | [diff] [blame] | 1527 | }; |
Carl Shapiro | 5fafe2b | 2011-07-09 15:34:41 -0700 | [diff] [blame] | 1528 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1529 | class String : public Object { |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1530 | public: |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1531 | const CharArray* GetCharArray() const { |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1532 | DCHECK(array_ != NULL); |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1533 | return array_; |
| 1534 | } |
| 1535 | |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1536 | uint32_t GetHashCode() const { |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1537 | return hash_code_; |
| 1538 | } |
| 1539 | |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1540 | int32_t GetOffset() const { |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1541 | return offset_; |
| 1542 | } |
| 1543 | |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1544 | int32_t GetLength() const { |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1545 | return count_; |
| 1546 | } |
| 1547 | |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1548 | int32_t GetUtfLength() const { |
| 1549 | return CountUtf8Bytes(array_->GetData(), count_); |
| 1550 | } |
| 1551 | |
Elliott Hughes | a5b897e | 2011-08-16 11:33:06 -0700 | [diff] [blame] | 1552 | // TODO: do we need this? Equals is the only caller, and could |
| 1553 | // bounds check itself. |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 1554 | uint16_t CharAt(int32_t index) const { |
| 1555 | if (index < 0 || index >= count_) { |
Elliott Hughes | a5b897e | 2011-08-16 11:33:06 -0700 | [diff] [blame] | 1556 | Thread* self = Thread::Current(); |
| 1557 | self->ThrowNewException("Ljava/lang/StringIndexOutOfBoundsException;", |
| 1558 | "length=%i; index=%i", count_, index); |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 1559 | return 0; |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 1560 | } |
Elliott Hughes | 710a0cb | 2011-08-16 14:32:37 -0700 | [diff] [blame] | 1561 | return GetCharArray()->Get(index + GetOffset()); |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1562 | } |
| 1563 | |
Brian Carlstrom | 7e93b50 | 2011-08-04 14:16:22 -0700 | [diff] [blame] | 1564 | static String* AllocFromUtf16(int32_t utf16_length, |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 1565 | const uint16_t* utf16_data_in, |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1566 | int32_t hash_code = 0) { |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1567 | String* string = Alloc(GetJavaLangString(), |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1568 | utf16_length); |
Brian Carlstrom | 4a289ed | 2011-08-16 17:17:49 -0700 | [diff] [blame] | 1569 | // TODO: use 16-bit wide memset variant |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 1570 | for (int i = 0; i < utf16_length; i++ ) { |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 1571 | string->array_->Set(i, utf16_data_in[i]); |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 1572 | } |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1573 | if (hash_code != 0) { |
| 1574 | string->hash_code_ = hash_code; |
| 1575 | } else { |
| 1576 | string->ComputeHashCode(); |
| 1577 | } |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 1578 | return string; |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 1579 | } |
| 1580 | |
Elliott Hughes | bfaadc8 | 2011-08-18 17:36:58 -0700 | [diff] [blame] | 1581 | static String* AllocFromModifiedUtf8(const char* utf) { |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1582 | size_t char_count = CountModifiedUtf8Chars(utf); |
Elliott Hughes | bfaadc8 | 2011-08-18 17:36:58 -0700 | [diff] [blame] | 1583 | return AllocFromModifiedUtf8(char_count, utf); |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 1584 | } |
| 1585 | |
Jesse Wilson | 8989d99 | 2011-08-02 13:39:42 -0700 | [diff] [blame] | 1586 | static String* AllocFromModifiedUtf8(int32_t utf16_length, |
| 1587 | const char* utf8_data_in) { |
Elliott Hughes | bfaadc8 | 2011-08-18 17:36:58 -0700 | [diff] [blame] | 1588 | String* string = Alloc(GetJavaLangString(), utf16_length); |
| 1589 | uint16_t* utf16_data_out = string->array_->GetData(); |
| 1590 | ConvertModifiedUtf8ToUtf16(utf16_data_out, utf8_data_in); |
| 1591 | string->ComputeHashCode(); |
| 1592 | return string; |
Jesse Wilson | 8989d99 | 2011-08-02 13:39:42 -0700 | [diff] [blame] | 1593 | } |
| 1594 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 1595 | static void SetClass(Class* java_lang_String); |
| 1596 | static void ResetClass(); |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 1597 | |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1598 | static String* Alloc(Class* java_lang_String, int32_t utf16_length) { |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1599 | return Alloc(java_lang_String, CharArray::Alloc(utf16_length)); |
| 1600 | } |
| 1601 | |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1602 | static String* Alloc(Class* java_lang_String, CharArray* array) { |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 1603 | String* string = down_cast<String*>(java_lang_String->NewInstance()); |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 1604 | string->array_ = array; |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1605 | string->count_ = array->GetLength(); |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 1606 | return string; |
| 1607 | } |
| 1608 | |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 1609 | void ComputeHashCode() { |
| 1610 | hash_code_ = ComputeUtf16Hash(array_->GetData(), count_); |
| 1611 | } |
| 1612 | |
Elliott Hughes | a5b897e | 2011-08-16 11:33:06 -0700 | [diff] [blame] | 1613 | // TODO: do we need this overload? give it a more intention-revealing name. |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1614 | bool Equals(const char* modified_utf8) const { |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1615 | for (int32_t i = 0; i < GetLength(); ++i) { |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1616 | uint16_t ch = GetUtf16FromUtf8(&modified_utf8); |
| 1617 | if (ch == '\0' || ch != CharAt(i)) { |
Jesse Wilson | cbe9fc0 | 2011-07-29 18:59:50 -0400 | [diff] [blame] | 1618 | return false; |
| 1619 | } |
| 1620 | } |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1621 | return *modified_utf8 == '\0'; |
Jesse Wilson | cbe9fc0 | 2011-07-29 18:59:50 -0400 | [diff] [blame] | 1622 | } |
| 1623 | |
Elliott Hughes | a5b897e | 2011-08-16 11:33:06 -0700 | [diff] [blame] | 1624 | // TODO: do we need this overload? give it a more intention-revealing name. |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1625 | bool Equals(const StringPiece& modified_utf8) const { |
| 1626 | // TODO: do not assume C-string representation. |
| 1627 | return Equals(modified_utf8.data()); |
| 1628 | } |
| 1629 | |
| 1630 | bool Equals(const String* that) const { |
Brian Carlstrom | 4a289ed | 2011-08-16 17:17:49 -0700 | [diff] [blame] | 1631 | // TODO: short circuit on hash_code_ |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1632 | if (this->GetLength() != that->GetLength()) { |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 1633 | return false; |
| 1634 | } |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1635 | for (int32_t i = 0; i < that->GetLength(); ++i) { |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1636 | if (this->CharAt(i) != that->CharAt(i)) { |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 1637 | return false; |
| 1638 | } |
| 1639 | } |
| 1640 | return true; |
| 1641 | } |
| 1642 | |
Elliott Hughes | a5b897e | 2011-08-16 11:33:06 -0700 | [diff] [blame] | 1643 | // TODO: do we need this overload? give it a more intention-revealing name. |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1644 | bool Equals(const uint16_t* that_chars, int32_t that_offset, int32_t that_length) const { |
Brian Carlstrom | 7e93b50 | 2011-08-04 14:16:22 -0700 | [diff] [blame] | 1645 | if (this->GetLength() != that_length) { |
| 1646 | return false; |
| 1647 | } |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 1648 | for (int32_t i = 0; i < that_length; ++i) { |
Brian Carlstrom | 7e93b50 | 2011-08-04 14:16:22 -0700 | [diff] [blame] | 1649 | if (this->CharAt(i) != that_chars[that_offset + i]) { |
| 1650 | return false; |
| 1651 | } |
| 1652 | } |
| 1653 | return true; |
| 1654 | } |
| 1655 | |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1656 | // Create a modified UTF-8 encoded std::string from a java/lang/String object. |
| 1657 | std::string ToModifiedUtf8() const { |
Elliott Hughes | b465ab0 | 2011-08-24 11:21:21 -0700 | [diff] [blame] | 1658 | uint16_t* chars = array_->GetData() + offset_; |
| 1659 | size_t byte_count(CountUtf8Bytes(chars, count_)); |
| 1660 | std::string result(byte_count, char(0)); |
| 1661 | ConvertUtf16ToModifiedUtf8(&result[0], chars, count_); |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1662 | return result; |
| 1663 | } |
| 1664 | |
Brian Carlstrom | a7f4f48 | 2011-07-17 17:01:34 -0700 | [diff] [blame] | 1665 | private: |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1666 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| 1667 | CharArray* array_; |
| 1668 | |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1669 | uint32_t hash_code_; |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1670 | |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 1671 | int32_t offset_; |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1672 | |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 1673 | int32_t count_; |
Brian Carlstrom | 7e93b50 | 2011-08-04 14:16:22 -0700 | [diff] [blame] | 1674 | |
| 1675 | static Class* GetJavaLangString() { |
| 1676 | DCHECK(java_lang_String_ != NULL); |
| 1677 | return java_lang_String_; |
| 1678 | } |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 1679 | |
| 1680 | static Class* java_lang_String_; |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 1681 | |
| 1682 | DISALLOW_IMPLICIT_CONSTRUCTORS(String); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1683 | }; |
| 1684 | |
Elliott Hughes | e5b0dc8 | 2011-08-23 09:59:02 -0700 | [diff] [blame] | 1685 | class Throwable : public Object { |
| 1686 | private: |
| 1687 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| 1688 | Throwable* cause_; |
| 1689 | String* detail_message_; |
| 1690 | Object* stack_state_; // Note this is Java volatile: |
| 1691 | Object* stack_trace_; |
| 1692 | Object* suppressed_exceptions_; |
| 1693 | |
| 1694 | DISALLOW_IMPLICIT_CONSTRUCTORS(Throwable); |
| 1695 | }; |
| 1696 | |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 1697 | class StackTraceElement : public Object { |
| 1698 | public: |
| 1699 | const String* GetDeclaringClass() const { |
| 1700 | return declaring_class_; |
| 1701 | } |
| 1702 | |
| 1703 | const String* GetMethodName() const { |
| 1704 | return method_name_; |
| 1705 | } |
| 1706 | |
| 1707 | const String* GetFileName() const { |
| 1708 | return file_name_; |
| 1709 | } |
| 1710 | |
| 1711 | uint32_t GetLineNumber() const { |
| 1712 | return line_number_; |
| 1713 | } |
| 1714 | |
| 1715 | static StackTraceElement* Alloc(const String* declaring_class, const String* method_name, |
| 1716 | const String* file_name, uint32_t line_number) { |
| 1717 | StackTraceElement* trace = down_cast<StackTraceElement*>(GetStackTraceElement()->NewInstance()); |
| 1718 | trace->declaring_class_ = declaring_class; |
| 1719 | trace->method_name_ = method_name; |
| 1720 | trace->file_name_ = file_name; |
| 1721 | trace->line_number_ = line_number; |
| 1722 | return trace; |
| 1723 | } |
| 1724 | |
| 1725 | static void SetClass(Class* java_lang_StackTraceElement); |
| 1726 | |
| 1727 | static void ResetClass(); |
| 1728 | |
| 1729 | private: |
| 1730 | const String* declaring_class_; |
| 1731 | const String* method_name_; |
| 1732 | const String* file_name_; |
| 1733 | uint32_t line_number_; |
| 1734 | |
| 1735 | static Class* GetStackTraceElement() { |
| 1736 | DCHECK(java_lang_StackTraceElement_ != NULL); |
| 1737 | return java_lang_StackTraceElement_; |
| 1738 | } |
| 1739 | |
| 1740 | static Class* java_lang_StackTraceElement_; |
| 1741 | DISALLOW_IMPLICIT_CONSTRUCTORS(StackTraceElement); |
| 1742 | }; |
| 1743 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 1744 | inline bool Object::IsString() const { |
| 1745 | // TODO use "klass_ == String::GetJavaLangString()" instead? |
| 1746 | return klass_ == klass_->descriptor_->klass_; |
| 1747 | } |
| 1748 | |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1749 | inline size_t Class::GetTypeSize(String* descriptor) { |
| 1750 | switch (descriptor->CharAt(0)) { |
| 1751 | case 'B': return 1; // byte |
| 1752 | case 'C': return 2; // char |
| 1753 | case 'D': return 8; // double |
| 1754 | case 'F': return 4; // float |
| 1755 | case 'I': return 4; // int |
| 1756 | case 'J': return 8; // long |
| 1757 | case 'S': return 2; // short |
| 1758 | case 'Z': return 1; // boolean |
| 1759 | case 'L': return sizeof(Object*); |
| 1760 | case '[': return sizeof(Array*); |
| 1761 | default: |
| 1762 | LOG(ERROR) << "Unknown type " << descriptor; |
| 1763 | return 0; |
| 1764 | } |
| 1765 | } |
| 1766 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 1767 | inline bool Class::IsArrayClass() const { |
| 1768 | return array_rank_ != 0; |
Brian Carlstrom | 9cff8e1 | 2011-08-18 16:47:29 -0700 | [diff] [blame] | 1769 | } |
| 1770 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1771 | class InterfaceEntry { |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1772 | public: |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1773 | InterfaceEntry() : interface_(NULL), method_index_array_(NULL) { |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1774 | } |
| 1775 | |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1776 | Class* GetInterface() const { |
| 1777 | DCHECK(interface_ != NULL); |
| 1778 | return interface_; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1779 | } |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 1780 | |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1781 | void SetInterface(Class* interface) { |
| 1782 | DCHECK(interface->IsInterface()); |
| 1783 | interface_ = interface; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1784 | } |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 1785 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1786 | private: |
| 1787 | // Points to the interface class. |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1788 | Class* interface_; |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 1789 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1790 | public: // TODO: private |
| 1791 | // Index into array of vtable offsets. This points into the |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1792 | // ifvi_pool_, which holds the vtables for all interfaces declared by |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1793 | // this class. |
| 1794 | uint32_t* method_index_array_; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1795 | |
| 1796 | private: |
| 1797 | DISALLOW_COPY_AND_ASSIGN(InterfaceEntry); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1798 | }; |
| 1799 | |
| 1800 | } // namespace art |
| 1801 | |
| 1802 | #endif // ART_SRC_OBJECT_H_ |