Elliott Hughes | 1d3f114 | 2011-09-13 12:00:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 16 | |
| 17 | #ifndef ART_SRC_OBJECT_H_ |
| 18 | #define ART_SRC_OBJECT_H_ |
| 19 | |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 20 | #include <iosfwd> |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 21 | #include <vector> |
| 22 | |
Elliott Hughes | 90a3369 | 2011-08-30 13:27:07 -0700 | [diff] [blame] | 23 | #include "UniquePtr.h" |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 24 | #include "atomic.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 25 | #include "casts.h" |
| 26 | #include "globals.h" |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 27 | #include "heap.h" |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 28 | #include "invoke_type.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 29 | #include "logging.h" |
| 30 | #include "macros.h" |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 31 | #include "modifiers.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 32 | #include "offsets.h" |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 33 | #include "primitive.h" |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 34 | #include "runtime.h" |
Brian Carlstrom | 578bbdc | 2011-07-21 14:07:47 -0700 | [diff] [blame] | 35 | #include "stringpiece.h" |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 36 | #include "thread.h" |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 37 | #include "utf.h" |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 38 | |
| 39 | namespace art { |
| 40 | |
| 41 | class Array; |
| 42 | class Class; |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 43 | class ClassLoader; |
Brian Carlstrom | 9cc262e | 2011-08-28 12:45:30 -0700 | [diff] [blame] | 44 | class CodeAndDirectMethods; |
Brian Carlstrom | 7e49dca | 2011-07-22 18:07:34 -0700 | [diff] [blame] | 45 | class DexCache; |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 46 | class Field; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 47 | class InterfaceEntry; |
| 48 | class Monitor; |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 49 | class Member; |
| 50 | class AbstractMethod; |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 51 | class Object; |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 52 | class StaticStorageBase; |
Jesse Wilson | 46cdd4b | 2011-07-28 17:40:48 -0400 | [diff] [blame] | 53 | class String; |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 54 | template<class T> class ObjectArray; |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 55 | template<class T> class PrimitiveArray; |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 56 | typedef PrimitiveArray<uint8_t> BooleanArray; |
| 57 | typedef PrimitiveArray<int8_t> ByteArray; |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 58 | typedef PrimitiveArray<uint16_t> CharArray; |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 59 | typedef PrimitiveArray<double> DoubleArray; |
| 60 | typedef PrimitiveArray<float> FloatArray; |
| 61 | typedef PrimitiveArray<int32_t> IntArray; |
| 62 | typedef PrimitiveArray<int64_t> LongArray; |
| 63 | typedef PrimitiveArray<int16_t> ShortArray; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 64 | |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 65 | union JValue { |
Elliott Hughes | 1d878f3 | 2012-04-11 15:17:54 -0700 | [diff] [blame] | 66 | // We default initialize JValue instances to all-zeros. |
| 67 | JValue() : j(0) {} |
| 68 | |
Elliott Hughes | f24d3ce | 2012-04-11 17:43:37 -0700 | [diff] [blame] | 69 | int8_t GetB() const { return b; } |
| 70 | void SetB(int8_t new_b) { |
| 71 | i = ((static_cast<int32_t>(new_b) << 24) >> 24); // Sign-extend. |
| 72 | } |
| 73 | |
| 74 | uint16_t GetC() const { return c; } |
| 75 | void SetC(uint16_t new_c) { c = new_c; } |
| 76 | |
| 77 | double GetD() const { return d; } |
| 78 | void SetD(double new_d) { d = new_d; } |
| 79 | |
| 80 | float GetF() const { return f; } |
| 81 | void SetF(float new_f) { f = new_f; } |
| 82 | |
| 83 | int32_t GetI() const { return i; } |
| 84 | void SetI(int32_t new_i) { i = new_i; } |
| 85 | |
| 86 | int64_t GetJ() const { return j; } |
| 87 | void SetJ(int64_t new_j) { j = new_j; } |
| 88 | |
| 89 | Object* GetL() const { return l; } |
| 90 | void SetL(Object* new_l) { l = new_l; } |
| 91 | |
| 92 | int16_t GetS() const { return s; } |
| 93 | void SetS(int16_t new_s) { |
| 94 | i = ((static_cast<int32_t>(new_s) << 16) >> 16); // Sign-extend. |
| 95 | } |
| 96 | |
| 97 | uint8_t GetZ() const { return z; } |
| 98 | void SetZ(uint8_t new_z) { z = new_z; } |
| 99 | |
| 100 | private: |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 101 | uint8_t z; |
| 102 | int8_t b; |
| 103 | uint16_t c; |
| 104 | int16_t s; |
| 105 | int32_t i; |
| 106 | int64_t j; |
| 107 | float f; |
| 108 | double d; |
| 109 | Object* l; |
| 110 | }; |
| 111 | |
Logan Chien | fca7e87 | 2011-12-20 20:08:22 +0800 | [diff] [blame] | 112 | #if defined(ART_USE_LLVM_COMPILER) |
| 113 | namespace compiler_llvm { |
| 114 | class InferredRegCategoryMap; |
Elliott Hughes | 4825756 | 2012-06-06 17:42:44 -0700 | [diff] [blame] | 115 | } // namespace compiler_llvm |
Logan Chien | fca7e87 | 2011-12-20 20:08:22 +0800 | [diff] [blame] | 116 | #endif |
| 117 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 118 | /* |
Brian Carlstrom | a331b3c | 2011-07-18 17:47:56 -0700 | [diff] [blame] | 119 | * Definitions for packing refOffsets in Class. |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 120 | */ |
| 121 | /* |
| 122 | * A magic value for refOffsets. Ignore the bits and walk the super |
| 123 | * chain when this is the value. |
| 124 | * [This is an unlikely "natural" value, since it would be 30 non-ref instance |
| 125 | * fields followed by 2 ref instance fields.] |
| 126 | */ |
| 127 | #define CLASS_WALK_SUPER ((unsigned int)(3)) |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 128 | #define CLASS_BITS_PER_WORD (sizeof(unsigned long int) * 8) |
| 129 | #define CLASS_OFFSET_ALIGNMENT 4 |
| 130 | #define CLASS_HIGH_BIT ((unsigned int)1 << (CLASS_BITS_PER_WORD - 1)) |
| 131 | /* |
| 132 | * Given an offset, return the bit number which would encode that offset. |
| 133 | * Local use only. |
| 134 | */ |
| 135 | #define _CLASS_BIT_NUMBER_FROM_OFFSET(byteOffset) \ |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 136 | ((unsigned int)(byteOffset) / \ |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 137 | CLASS_OFFSET_ALIGNMENT) |
| 138 | /* |
| 139 | * Is the given offset too large to be encoded? |
| 140 | */ |
| 141 | #define CLASS_CAN_ENCODE_OFFSET(byteOffset) \ |
| 142 | (_CLASS_BIT_NUMBER_FROM_OFFSET(byteOffset) < CLASS_BITS_PER_WORD) |
| 143 | /* |
| 144 | * Return a single bit, encoding the offset. |
| 145 | * Undefined if the offset is too large, as defined above. |
| 146 | */ |
| 147 | #define CLASS_BIT_FROM_OFFSET(byteOffset) \ |
| 148 | (CLASS_HIGH_BIT >> _CLASS_BIT_NUMBER_FROM_OFFSET(byteOffset)) |
| 149 | /* |
| 150 | * Return an offset, given a bit number as returned from CLZ. |
| 151 | */ |
| 152 | #define CLASS_OFFSET_FROM_CLZ(rshift) \ |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 153 | MemberOffset((static_cast<int>(rshift) * CLASS_OFFSET_ALIGNMENT)) |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 154 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 155 | #define OFFSET_OF_OBJECT_MEMBER(type, field) \ |
| 156 | MemberOffset(OFFSETOF_MEMBER(type, field)) |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 157 | |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 158 | // Classes shared with the managed side of the world need to be packed |
| 159 | // so that they don't have extra platform specific padding. |
Elliott Hughes | 85d1545 | 2011-09-16 17:33:01 -0700 | [diff] [blame] | 160 | #define MANAGED PACKED |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 161 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 162 | // C++ mirror of java.lang.Object |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 163 | class MANAGED Object { |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 164 | public: |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 165 | static MemberOffset ClassOffset() { |
| 166 | return OFFSET_OF_OBJECT_MEMBER(Object, klass_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 167 | } |
| 168 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 169 | Class* GetClass() const { |
Elliott Hughes | 5f79133 | 2011-09-15 17:45:30 -0700 | [diff] [blame] | 170 | return GetFieldObject<Class*>(OFFSET_OF_OBJECT_MEMBER(Object, klass_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | void SetClass(Class* new_klass); |
| 174 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 175 | bool InstanceOf(const Class* klass) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 176 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 177 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 178 | size_t SizeOf() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 179 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 180 | Object* Clone() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 181 | |
| 182 | int32_t IdentityHashCode() const { |
| 183 | #ifdef MOVING_GARBAGE_COLLECTOR |
| 184 | // TODO: we'll need to use the Object's internal concept of identity |
| 185 | UNIMPLEMENTED(FATAL); |
| 186 | #endif |
| 187 | return reinterpret_cast<int32_t>(this); |
| 188 | } |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame] | 189 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 190 | static MemberOffset MonitorOffset() { |
| 191 | return OFFSET_OF_OBJECT_MEMBER(Object, monitor_); |
| 192 | } |
| 193 | |
Elliott Hughes | 5f79133 | 2011-09-15 17:45:30 -0700 | [diff] [blame] | 194 | volatile int32_t* GetRawLockWordAddress() { |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 195 | byte* raw_addr = reinterpret_cast<byte*>(this) + |
| 196 | OFFSET_OF_OBJECT_MEMBER(Object, monitor_).Int32Value(); |
Elliott Hughes | 5f79133 | 2011-09-15 17:45:30 -0700 | [diff] [blame] | 197 | int32_t* word_addr = reinterpret_cast<int32_t*>(raw_addr); |
| 198 | return const_cast<volatile int32_t*>(word_addr); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 199 | } |
| 200 | |
Brian Carlstrom | 24a3c2e | 2011-10-17 18:07:52 -0700 | [diff] [blame] | 201 | uint32_t GetThinLockId(); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 202 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 203 | void MonitorEnter(Thread* thread) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 204 | EXCLUSIVE_LOCK_FUNCTION(monitor_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 205 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 206 | bool MonitorExit(Thread* thread) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 207 | UNLOCK_FUNCTION(monitor_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 208 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 209 | void Notify() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 210 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 211 | void NotifyAll() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 212 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 213 | void Wait(int64_t timeout) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 214 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 215 | void Wait(int64_t timeout, int32_t nanos) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 216 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 217 | |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 218 | bool IsClass() const; |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 219 | |
| 220 | Class* AsClass() { |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 221 | DCHECK(IsClass()); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 222 | return down_cast<Class*>(this); |
| 223 | } |
| 224 | |
| 225 | const Class* AsClass() const { |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 226 | DCHECK(IsClass()); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 227 | return down_cast<const Class*>(this); |
| 228 | } |
| 229 | |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 230 | bool IsObjectArray() const; |
| 231 | |
| 232 | template<class T> |
Brian Carlstrom | 34f426c | 2011-10-04 12:58:02 -0700 | [diff] [blame] | 233 | ObjectArray<T>* AsObjectArray(); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 234 | |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 235 | template<class T> |
Brian Carlstrom | 34f426c | 2011-10-04 12:58:02 -0700 | [diff] [blame] | 236 | const ObjectArray<T>* AsObjectArray() const; |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 237 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 238 | bool IsArrayInstance() const; |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 239 | |
| 240 | Array* AsArray() { |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 241 | DCHECK(IsArrayInstance()); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 242 | return down_cast<Array*>(this); |
| 243 | } |
| 244 | |
| 245 | const Array* AsArray() const { |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 246 | DCHECK(IsArrayInstance()); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 247 | return down_cast<const Array*>(this); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 248 | } |
| 249 | |
Elliott Hughes | dbb4079 | 2011-11-18 17:05:22 -0800 | [diff] [blame] | 250 | String* AsString(); |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 251 | |
| 252 | bool IsMethod() const; |
| 253 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 254 | AbstractMethod* AsMethod() { |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 255 | DCHECK(IsMethod()); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 256 | return down_cast<AbstractMethod*>(this); |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 257 | } |
| 258 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 259 | const AbstractMethod* AsMethod() const { |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 260 | DCHECK(IsMethod()); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 261 | return down_cast<const AbstractMethod*>(this); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 262 | } |
| 263 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 264 | bool IsField() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 265 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 266 | Field* AsField() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 267 | DCHECK(IsField()); |
| 268 | return down_cast<Field*>(this); |
| 269 | } |
| 270 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 271 | const Field* AsField() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 272 | DCHECK(IsField()); |
| 273 | return down_cast<const Field*>(this); |
| 274 | } |
| 275 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 276 | bool IsReferenceInstance() const; |
| 277 | |
| 278 | bool IsWeakReferenceInstance() const; |
| 279 | |
| 280 | bool IsSoftReferenceInstance() const; |
| 281 | |
| 282 | bool IsFinalizerReferenceInstance() const; |
| 283 | |
| 284 | bool IsPhantomReferenceInstance() const; |
| 285 | |
| 286 | // Accessors for Java type fields |
| 287 | template<class T> |
| 288 | T GetFieldObject(MemberOffset field_offset, bool is_volatile) const { |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 289 | T result = reinterpret_cast<T>(GetField32(field_offset, is_volatile)); |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 290 | Runtime::Current()->GetHeap()->VerifyObject(result); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 291 | return result; |
| 292 | } |
| 293 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 294 | void SetFieldObject(MemberOffset field_offset, const Object* new_value, bool is_volatile, |
| 295 | bool this_is_valid = true) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 296 | Runtime::Current()->GetHeap()->VerifyObject(new_value); |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 297 | SetField32(field_offset, reinterpret_cast<uint32_t>(new_value), is_volatile, this_is_valid); |
| 298 | if (new_value != NULL) { |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 299 | CheckFieldAssignment(field_offset, new_value); |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 300 | Runtime::Current()->GetHeap()->WriteBarrierField(this, field_offset, new_value); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 301 | } |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | uint32_t GetField32(MemberOffset field_offset, bool is_volatile) const { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 305 | Runtime::Current()->GetHeap()->VerifyObject(this); |
Elliott Hughes | 1d3f114 | 2011-09-13 12:00:00 -0700 | [diff] [blame] | 306 | const byte* raw_addr = reinterpret_cast<const byte*>(this) + field_offset.Int32Value(); |
| 307 | const int32_t* word_addr = reinterpret_cast<const int32_t*>(raw_addr); |
Ian Rogers | caab8c4 | 2011-10-12 12:11:18 -0700 | [diff] [blame] | 308 | if (UNLIKELY(is_volatile)) { |
Elliott Hughes | 1d3f114 | 2011-09-13 12:00:00 -0700 | [diff] [blame] | 309 | return android_atomic_acquire_load(word_addr); |
| 310 | } else { |
| 311 | return *word_addr; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 312 | } |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 313 | } |
| 314 | |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 315 | void SetField32(MemberOffset field_offset, uint32_t new_value, bool is_volatile, bool this_is_valid = true) { |
| 316 | if (this_is_valid) { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 317 | Runtime::Current()->GetHeap()->VerifyObject(this); |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 318 | } |
| 319 | byte* raw_addr = reinterpret_cast<byte*>(this) + field_offset.Int32Value(); |
Elliott Hughes | 1d3f114 | 2011-09-13 12:00:00 -0700 | [diff] [blame] | 320 | uint32_t* word_addr = reinterpret_cast<uint32_t*>(raw_addr); |
Ian Rogers | caab8c4 | 2011-10-12 12:11:18 -0700 | [diff] [blame] | 321 | if (UNLIKELY(is_volatile)) { |
Elliott Hughes | 1d3f114 | 2011-09-13 12:00:00 -0700 | [diff] [blame] | 322 | /* |
| 323 | * TODO: add an android_atomic_synchronization_store() function and |
| 324 | * use it in the 32-bit volatile set handlers. On some platforms we |
| 325 | * can use a fast atomic instruction and avoid the barriers. |
| 326 | */ |
| 327 | ANDROID_MEMBAR_STORE(); |
| 328 | *word_addr = new_value; |
| 329 | ANDROID_MEMBAR_FULL(); |
| 330 | } else { |
| 331 | *word_addr = new_value; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 332 | } |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | uint64_t GetField64(MemberOffset field_offset, bool is_volatile) const { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 336 | Runtime::Current()->GetHeap()->VerifyObject(this); |
Elliott Hughes | 1d3f114 | 2011-09-13 12:00:00 -0700 | [diff] [blame] | 337 | const byte* raw_addr = reinterpret_cast<const byte*>(this) + field_offset.Int32Value(); |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 338 | const int64_t* addr = reinterpret_cast<const int64_t*>(raw_addr); |
Ian Rogers | caab8c4 | 2011-10-12 12:11:18 -0700 | [diff] [blame] | 339 | if (UNLIKELY(is_volatile)) { |
Elliott Hughes | 7c6169d | 2012-05-02 16:11:48 -0700 | [diff] [blame] | 340 | uint64_t result = QuasiAtomic::Read64(addr); |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 341 | ANDROID_MEMBAR_FULL(); |
| 342 | return result; |
| 343 | } else { |
| 344 | return *addr; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 345 | } |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 346 | } |
| 347 | |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 348 | void SetField64(MemberOffset field_offset, uint64_t new_value, bool is_volatile) { |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 349 | Runtime::Current()->GetHeap()->VerifyObject(this); |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 350 | byte* raw_addr = reinterpret_cast<byte*>(this) + field_offset.Int32Value(); |
| 351 | int64_t* addr = reinterpret_cast<int64_t*>(raw_addr); |
Ian Rogers | caab8c4 | 2011-10-12 12:11:18 -0700 | [diff] [blame] | 352 | if (UNLIKELY(is_volatile)) { |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 353 | ANDROID_MEMBAR_STORE(); |
Elliott Hughes | 7c6169d | 2012-05-02 16:11:48 -0700 | [diff] [blame] | 354 | QuasiAtomic::Swap64(new_value, addr); |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 355 | // Post-store barrier not required due to use of atomic op or mutex. |
| 356 | } else { |
| 357 | *addr = new_value; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 358 | } |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 359 | } |
| 360 | |
| 361 | protected: |
| 362 | // Accessors for non-Java type fields |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 363 | template<class T> |
| 364 | T GetFieldPtr(MemberOffset field_offset, bool is_volatile) const { |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 365 | return reinterpret_cast<T>(GetField32(field_offset, is_volatile)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | template<typename T> |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 369 | void SetFieldPtr(MemberOffset field_offset, T new_value, bool is_volatile, bool this_is_valid = true) { |
| 370 | SetField32(field_offset, reinterpret_cast<uint32_t>(new_value), is_volatile, this_is_valid); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | private: |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 374 | #if VERIFY_OBJECT_ENABLED |
| 375 | void CheckFieldAssignment(MemberOffset field_offset, const Object* new_value) |
| 376 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 377 | #else |
| 378 | void CheckFieldAssignment(MemberOffset, const Object*) |
| 379 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {} |
| 380 | #endif |
| 381 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 382 | Class* klass_; |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 383 | |
Elliott Hughes | 5f79133 | 2011-09-15 17:45:30 -0700 | [diff] [blame] | 384 | uint32_t monitor_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 385 | |
Elliott Hughes | 5f79133 | 2011-09-15 17:45:30 -0700 | [diff] [blame] | 386 | friend class ImageWriter; // for abusing monitor_ directly |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 387 | friend struct ObjectOffsets; // for verifying offset information |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 388 | DISALLOW_IMPLICIT_CONSTRUCTORS(Object); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 389 | }; |
| 390 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 391 | // C++ mirror of java.lang.reflect.Field |
Jesse Wilson | c129a6b | 2011-11-24 14:47:46 -0500 | [diff] [blame] | 392 | class MANAGED Field : public Object { |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 393 | public: |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 394 | Class* GetDeclaringClass() const; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 395 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 396 | void SetDeclaringClass(Class *new_declaring_class) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 397 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 398 | uint32_t GetAccessFlags() const; |
| 399 | |
| 400 | void SetAccessFlags(uint32_t new_access_flags) { |
Elliott Hughes | 20cde90 | 2011-10-04 17:37:27 -0700 | [diff] [blame] | 401 | SetField32(OFFSET_OF_OBJECT_MEMBER(Field, access_flags_), new_access_flags, false); |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 402 | } |
| 403 | |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 404 | bool IsPublic() const { |
| 405 | return (GetAccessFlags() & kAccPublic) != 0; |
| 406 | } |
| 407 | |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 408 | bool IsStatic() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 409 | return (GetAccessFlags() & kAccStatic) != 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 410 | } |
| 411 | |
jeffhao | bdb7651 | 2011-09-07 11:43:16 -0700 | [diff] [blame] | 412 | bool IsFinal() const { |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 413 | return (GetAccessFlags() & kAccFinal) != 0; |
jeffhao | bdb7651 | 2011-09-07 11:43:16 -0700 | [diff] [blame] | 414 | } |
| 415 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 416 | uint32_t GetDexFieldIndex() const { |
| 417 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Field, field_dex_idx_), false); |
| 418 | } |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 419 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 420 | void SetDexFieldIndex(uint32_t new_idx) { |
| 421 | SetField32(OFFSET_OF_OBJECT_MEMBER(Field, field_dex_idx_), new_idx, false); |
| 422 | } |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 423 | |
| 424 | // Offset to field within an Object |
| 425 | MemberOffset GetOffset() const; |
| 426 | |
buzbee | 34cd9e5 | 2011-09-08 14:31:52 -0700 | [diff] [blame] | 427 | static MemberOffset OffsetOffset() { |
| 428 | return MemberOffset(OFFSETOF_MEMBER(Field, offset_)); |
| 429 | } |
| 430 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 431 | MemberOffset GetOffsetDuringLinking() const; |
| 432 | |
| 433 | void SetOffset(MemberOffset num_bytes); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 434 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 435 | // field access, null object for static fields |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 436 | bool GetBoolean(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 437 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 438 | void SetBoolean(Object* object, bool z) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 439 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 440 | int8_t GetByte(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 441 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 442 | void SetByte(Object* object, int8_t b) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 443 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 444 | uint16_t GetChar(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 445 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 446 | void SetChar(Object* object, uint16_t c) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 447 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 448 | int16_t GetShort(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 449 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 450 | void SetShort(Object* object, int16_t s) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 451 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 452 | int32_t GetInt(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 453 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 454 | void SetInt(Object* object, int32_t i) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 455 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 456 | int64_t GetLong(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 457 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 458 | void SetLong(Object* object, int64_t j) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 459 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 460 | float GetFloat(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 461 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 462 | void SetFloat(Object* object, float f) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 463 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 464 | double GetDouble(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 465 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 466 | void SetDouble(Object* object, double d) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 467 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 468 | Object* GetObject(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 469 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 470 | void SetObject(Object* object, const Object* l) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 471 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 5fafe2b | 2011-07-09 15:34:41 -0700 | [diff] [blame] | 472 | |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 473 | // raw field accesses |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 474 | uint32_t Get32(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 475 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 476 | void Set32(Object* object, uint32_t new_value) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 477 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 478 | uint64_t Get64(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 479 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 480 | void Set64(Object* object, uint64_t new_value) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 481 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 482 | Object* GetObj(const Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 483 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 484 | void SetObj(Object* object, const Object* new_value) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 485 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | b9edb84 | 2011-08-28 16:31:06 -0700 | [diff] [blame] | 486 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 487 | static Class* GetJavaLangReflectField() { |
| 488 | DCHECK(java_lang_reflect_Field_ != NULL); |
| 489 | return java_lang_reflect_Field_; |
| 490 | } |
| 491 | |
| 492 | static void SetClass(Class* java_lang_reflect_Field); |
| 493 | static void ResetClass(); |
| 494 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 495 | bool IsVolatile() const { |
| 496 | return (GetAccessFlags() & kAccVolatile) != 0; |
| 497 | } |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 498 | |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 499 | private: |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 500 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 501 | // The class we are a part of |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 502 | Class* declaring_class_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 503 | |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 504 | uint32_t access_flags_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 505 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 506 | // Dex cache index of field id |
| 507 | uint32_t field_dex_idx_; |
| 508 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 509 | // Offset of field within an instance or in the Class' static fields |
| 510 | uint32_t offset_; |
| 511 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 512 | static Class* java_lang_reflect_Field_; |
| 513 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 514 | friend struct FieldOffsets; // for verifying offset information |
Jesse Wilson | 35baaab | 2011-08-10 16:18:03 -0400 | [diff] [blame] | 515 | DISALLOW_IMPLICIT_CONSTRUCTORS(Field); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 516 | }; |
| 517 | |
Jesse Wilson | 6bf1915 | 2011-09-29 13:12:33 -0400 | [diff] [blame] | 518 | // C++ mirror of java.lang.reflect.Method and java.lang.reflect.Constructor |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 519 | class MANAGED AbstractMethod : public Object { |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 520 | public: |
Ian Rogers | 1b09b09 | 2012-08-20 15:35:52 -0700 | [diff] [blame] | 521 | // A function that invokes a method with an array of its arguments. |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 522 | typedef void InvokeStub(const AbstractMethod* method, |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 523 | Object* obj, |
| 524 | Thread* thread, |
Elliott Hughes | 7740579 | 2012-03-15 15:22:12 -0700 | [diff] [blame] | 525 | JValue* args, |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 526 | JValue* result); |
| 527 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 528 | Class* GetDeclaringClass() const; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 529 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 530 | void SetDeclaringClass(Class *new_declaring_class) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 531 | |
Ian Rogers | cdd1d2d | 2011-08-18 09:58:17 -0700 | [diff] [blame] | 532 | static MemberOffset DeclaringClassOffset() { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 533 | return MemberOffset(OFFSETOF_MEMBER(AbstractMethod, declaring_class_)); |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 534 | } |
| 535 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 536 | uint32_t GetAccessFlags() const; |
| 537 | |
| 538 | void SetAccessFlags(uint32_t new_access_flags) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 539 | SetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, access_flags_), new_access_flags, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 540 | } |
| 541 | |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 542 | // Approximate what kind of method call would be used for this method. |
| 543 | InvokeType GetInvokeType() const; |
| 544 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 545 | // Returns true if the method is declared public. |
| 546 | bool IsPublic() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 547 | return (GetAccessFlags() & kAccPublic) != 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | // Returns true if the method is declared private. |
| 551 | bool IsPrivate() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 552 | return (GetAccessFlags() & kAccPrivate) != 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 553 | } |
| 554 | |
| 555 | // Returns true if the method is declared static. |
| 556 | bool IsStatic() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 557 | return (GetAccessFlags() & kAccStatic) != 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 558 | } |
| 559 | |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 560 | // Returns true if the method is a constructor. |
| 561 | bool IsConstructor() const { |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 562 | return (GetAccessFlags() & kAccConstructor) != 0; |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 563 | } |
| 564 | |
| 565 | // Returns true if the method is static, private, or a constructor. |
| 566 | bool IsDirect() const { |
Brian Carlstrom | f582258 | 2012-03-19 22:34:31 -0700 | [diff] [blame] | 567 | return IsDirect(GetAccessFlags()); |
| 568 | } |
| 569 | |
| 570 | static bool IsDirect(uint32_t access_flags) { |
| 571 | return (access_flags & (kAccStatic | kAccPrivate | kAccConstructor)) != 0; |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 572 | } |
| 573 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 574 | // Returns true if the method is declared synchronized. |
| 575 | bool IsSynchronized() const { |
| 576 | uint32_t synchonized = kAccSynchronized | kAccDeclaredSynchronized; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 577 | return (GetAccessFlags() & synchonized) != 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 578 | } |
| 579 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 580 | bool IsFinal() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 581 | return (GetAccessFlags() & kAccFinal) != 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 582 | } |
| 583 | |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 584 | bool IsMiranda() const { |
| 585 | return (GetAccessFlags() & kAccMiranda) != 0; |
| 586 | } |
| 587 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 588 | bool IsNative() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 589 | return (GetAccessFlags() & kAccNative) != 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 590 | } |
| 591 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 592 | bool IsAbstract() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 593 | return (GetAccessFlags() & kAccAbstract) != 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 594 | } |
| 595 | |
| 596 | bool IsSynthetic() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 597 | return (GetAccessFlags() & kAccSynthetic) != 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 598 | } |
| 599 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 600 | bool IsProxyMethod() const; |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 601 | |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 602 | bool CheckIncompatibleClassChange(InvokeType type); |
| 603 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 604 | uint16_t GetMethodIndex() const; |
| 605 | |
| 606 | size_t GetVtableIndex() const { |
| 607 | return GetMethodIndex(); |
| 608 | } |
| 609 | |
| 610 | void SetMethodIndex(uint16_t new_method_index) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 611 | SetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, method_index_), new_method_index, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 612 | } |
| 613 | |
| 614 | static MemberOffset MethodIndexOffset() { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 615 | return OFFSET_OF_OBJECT_MEMBER(AbstractMethod, method_index_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 616 | } |
| 617 | |
| 618 | uint32_t GetCodeItemOffset() const { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 619 | return GetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, code_item_offset_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 620 | } |
| 621 | |
| 622 | void SetCodeItemOffset(uint32_t new_code_off) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 623 | SetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, code_item_offset_), new_code_off, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 624 | } |
| 625 | |
| 626 | // Number of 32bit registers that would be required to hold all the arguments |
| 627 | static size_t NumArgRegisters(const StringPiece& shorty); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 628 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 629 | uint32_t GetDexMethodIndex() const; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 630 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 631 | void SetDexMethodIndex(uint32_t new_idx) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 632 | SetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, method_dex_index_), new_idx, false); |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 633 | } |
| 634 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 635 | ObjectArray<String>* GetDexCacheStrings() const; |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 636 | void SetDexCacheStrings(ObjectArray<String>* new_dex_cache_strings) |
| 637 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 638 | |
| 639 | static MemberOffset DexCacheStringsOffset() { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 640 | return OFFSET_OF_OBJECT_MEMBER(AbstractMethod, dex_cache_strings_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 641 | } |
| 642 | |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 643 | static MemberOffset DexCacheResolvedMethodsOffset() { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 644 | return OFFSET_OF_OBJECT_MEMBER(AbstractMethod, dex_cache_resolved_methods_); |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 645 | } |
| 646 | |
buzbee | 2a475e7 | 2011-09-07 17:19:17 -0700 | [diff] [blame] | 647 | static MemberOffset DexCacheResolvedTypesOffset() { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 648 | return OFFSET_OF_OBJECT_MEMBER(AbstractMethod, dex_cache_resolved_types_); |
buzbee | 2a475e7 | 2011-09-07 17:19:17 -0700 | [diff] [blame] | 649 | } |
| 650 | |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 651 | static MemberOffset DexCacheInitializedStaticStorageOffset() { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 652 | return OFFSET_OF_OBJECT_MEMBER(AbstractMethod, |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 653 | dex_cache_initialized_static_storage_); |
| 654 | } |
| 655 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 656 | ObjectArray<AbstractMethod>* GetDexCacheResolvedMethods() const; |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 657 | void SetDexCacheResolvedMethods(ObjectArray<AbstractMethod>* new_dex_cache_methods) |
| 658 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 659 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 660 | ObjectArray<Class>* GetDexCacheResolvedTypes() const; |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 661 | void SetDexCacheResolvedTypes(ObjectArray<Class>* new_dex_cache_types) |
| 662 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 663 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 664 | ObjectArray<StaticStorageBase>* GetDexCacheInitializedStaticStorage() const; |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 665 | void SetDexCacheInitializedStaticStorage(ObjectArray<StaticStorageBase>* new_value) |
| 666 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 667 | |
Ian Rogers | 466bb25 | 2011-10-14 03:29:56 -0700 | [diff] [blame] | 668 | // Find the method that this method overrides |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 669 | AbstractMethod* FindOverriddenMethod() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 466bb25 | 2011-10-14 03:29:56 -0700 | [diff] [blame] | 670 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 671 | void Invoke(Thread* self, Object* receiver, JValue* args, JValue* result) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 672 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | f5ecf06 | 2011-09-06 17:37:59 -0700 | [diff] [blame] | 673 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 674 | const void* GetCode() const { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 675 | return GetFieldPtr<const void*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, code_), false); |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 676 | } |
| 677 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 678 | void SetCode(const void* code) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 679 | SetFieldPtr<const void*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, code_), code, false); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 680 | } |
| 681 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 682 | uint32_t GetCodeSize() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 683 | DCHECK(!IsRuntimeMethod() && !IsProxyMethod()) << PrettyMethod(this); |
| 684 | uintptr_t code = reinterpret_cast<uintptr_t>(GetCode()); |
| 685 | if (code == 0) { |
| 686 | return 0; |
| 687 | } |
| 688 | // TODO: make this Thumb2 specific |
| 689 | code &= ~0x1; |
| 690 | return reinterpret_cast<uint32_t*>(code)[-1]; |
| 691 | } |
| 692 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 693 | bool IsWithinCode(uintptr_t pc) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 694 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 695 | uintptr_t code = reinterpret_cast<uintptr_t>(GetCode()); |
| 696 | if (code == 0) { |
| 697 | return pc == 0; |
| 698 | } |
buzbee | 8320f38 | 2012-09-11 16:29:42 -0700 | [diff] [blame] | 699 | /* |
| 700 | * During a stack walk, a return PC may point to the end of the code + 1 |
| 701 | * (in the case that the last instruction is a call that isn't expected to |
| 702 | * return. Thus, we check <= code + GetCodeSize(). |
| 703 | */ |
| 704 | return (code <= pc && pc <= code + GetCodeSize()); |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 705 | } |
| 706 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 707 | void AssertPcIsWithinCode(uintptr_t pc) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 708 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 709 | |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 710 | uint32_t GetOatCodeOffset() const { |
Elliott Hughes | 307f75d | 2011-10-12 18:04:40 -0700 | [diff] [blame] | 711 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 712 | return reinterpret_cast<uint32_t>(GetCode()); |
| 713 | } |
| 714 | |
| 715 | void SetOatCodeOffset(uint32_t code_offset) { |
Elliott Hughes | 307f75d | 2011-10-12 18:04:40 -0700 | [diff] [blame] | 716 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 717 | SetCode(reinterpret_cast<void*>(code_offset)); |
| 718 | } |
| 719 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 720 | static MemberOffset GetCodeOffset() { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 721 | return OFFSET_OF_OBJECT_MEMBER(AbstractMethod, code_); |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 722 | } |
| 723 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 724 | const uint32_t* GetMappingTable() const { |
| 725 | const uint32_t* map = GetMappingTableRaw(); |
| 726 | if (map == NULL) { |
| 727 | return map; |
| 728 | } |
| 729 | return map + 1; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 730 | } |
| 731 | |
Bill Buzbee | a5b3024 | 2012-09-28 07:19:44 -0700 | [diff] [blame] | 732 | uint32_t GetPcToDexMappingTableLength() const { |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 733 | const uint32_t* map = GetMappingTableRaw(); |
| 734 | if (map == NULL) { |
| 735 | return 0; |
| 736 | } |
Bill Buzbee | a5b3024 | 2012-09-28 07:19:44 -0700 | [diff] [blame] | 737 | return map[2]; |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 738 | } |
| 739 | |
Bill Buzbee | a5b3024 | 2012-09-28 07:19:44 -0700 | [diff] [blame] | 740 | const uint32_t* GetPcToDexMappingTable() const { |
| 741 | const uint32_t* map = GetMappingTableRaw(); |
| 742 | if (map == NULL) { |
| 743 | return map; |
| 744 | } |
| 745 | return map + 3; |
| 746 | } |
| 747 | |
| 748 | |
| 749 | uint32_t GetDexToPcMappingTableLength() const { |
| 750 | const uint32_t* map = GetMappingTableRaw(); |
| 751 | if (map == NULL) { |
| 752 | return 0; |
| 753 | } |
| 754 | return map[1] - map[2]; |
| 755 | } |
| 756 | |
| 757 | const uint32_t* GetDexToPcMappingTable() const { |
| 758 | const uint32_t* map = GetMappingTableRaw(); |
| 759 | if (map == NULL) { |
| 760 | return map; |
| 761 | } |
| 762 | return map + 3 + map[2]; |
| 763 | } |
| 764 | |
| 765 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 766 | const uint32_t* GetMappingTableRaw() const { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 767 | return GetFieldPtr<const uint32_t*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, mapping_table_), false); |
buzbee | c41e5b5 | 2011-09-23 12:46:19 -0700 | [diff] [blame] | 768 | } |
| 769 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 770 | void SetMappingTable(const uint32_t* mapping_table) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 771 | SetFieldPtr<const uint32_t*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, mapping_table_), |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 772 | mapping_table, false); |
| 773 | } |
| 774 | |
| 775 | uint32_t GetOatMappingTableOffset() const { |
Elliott Hughes | 307f75d | 2011-10-12 18:04:40 -0700 | [diff] [blame] | 776 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 777 | return reinterpret_cast<uint32_t>(GetMappingTableRaw()); |
| 778 | } |
| 779 | |
| 780 | void SetOatMappingTableOffset(uint32_t mapping_table_offset) { |
Elliott Hughes | 307f75d | 2011-10-12 18:04:40 -0700 | [diff] [blame] | 781 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 782 | SetMappingTable(reinterpret_cast<const uint32_t*>(mapping_table_offset)); |
| 783 | } |
| 784 | |
Elliott Hughes | 68fdbd0 | 2011-11-29 19:22:47 -0800 | [diff] [blame] | 785 | // Callers should wrap the uint16_t* in a VmapTable instance for convenient access. |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 786 | const uint16_t* GetVmapTableRaw() const { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 787 | return GetFieldPtr<const uint16_t*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, vmap_table_), false); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 788 | } |
| 789 | |
| 790 | void SetVmapTable(const uint16_t* vmap_table) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 791 | SetFieldPtr<const uint16_t*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, vmap_table_), vmap_table, false); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 792 | } |
| 793 | |
| 794 | uint32_t GetOatVmapTableOffset() const { |
Elliott Hughes | 307f75d | 2011-10-12 18:04:40 -0700 | [diff] [blame] | 795 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 796 | return reinterpret_cast<uint32_t>(GetVmapTableRaw()); |
| 797 | } |
| 798 | |
| 799 | void SetOatVmapTableOffset(uint32_t vmap_table_offset) { |
Elliott Hughes | 307f75d | 2011-10-12 18:04:40 -0700 | [diff] [blame] | 800 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 801 | SetVmapTable(reinterpret_cast<uint16_t*>(vmap_table_offset)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 802 | } |
| 803 | |
Ian Rogers | 0c7abda | 2012-09-19 13:33:42 -0700 | [diff] [blame] | 804 | const uint8_t* GetNativeGcMap() const { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 805 | return GetFieldPtr<uint8_t*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, native_gc_map_), false); |
Ian Rogers | 0c7abda | 2012-09-19 13:33:42 -0700 | [diff] [blame] | 806 | } |
| 807 | void SetNativeGcMap(const uint8_t* data) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 808 | SetFieldPtr<const uint8_t*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, native_gc_map_), data, |
| 809 | false); |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 810 | } |
| 811 | |
Ian Rogers | 0c7abda | 2012-09-19 13:33:42 -0700 | [diff] [blame] | 812 | // When building the oat need a convenient place to stuff the offset of the native GC map. |
| 813 | void SetOatNativeGcMapOffset(uint32_t gc_map_offset) { |
Brian Carlstrom | e7d856b | 2012-01-11 18:10:55 -0800 | [diff] [blame] | 814 | DCHECK(!Runtime::Current()->IsStarted()); |
Ian Rogers | 0c7abda | 2012-09-19 13:33:42 -0700 | [diff] [blame] | 815 | SetNativeGcMap(reinterpret_cast<uint8_t*>(gc_map_offset)); |
Brian Carlstrom | e7d856b | 2012-01-11 18:10:55 -0800 | [diff] [blame] | 816 | } |
Ian Rogers | 0c7abda | 2012-09-19 13:33:42 -0700 | [diff] [blame] | 817 | |
| 818 | uint32_t GetOatNativeGcMapOffset() const { |
Brian Carlstrom | e7d856b | 2012-01-11 18:10:55 -0800 | [diff] [blame] | 819 | DCHECK(!Runtime::Current()->IsStarted()); |
Ian Rogers | 0c7abda | 2012-09-19 13:33:42 -0700 | [diff] [blame] | 820 | return reinterpret_cast<uint32_t>(GetNativeGcMap()); |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 821 | } |
| 822 | |
Shih-wei Liao | d11af15 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 823 | size_t GetFrameSizeInBytes() const { |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 824 | DCHECK_EQ(sizeof(size_t), sizeof(uint32_t)); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 825 | size_t result = GetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, frame_size_in_bytes_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 826 | DCHECK_LE(static_cast<size_t>(kStackAlignment), result); |
| 827 | return result; |
| 828 | } |
| 829 | |
| 830 | void SetFrameSizeInBytes(size_t new_frame_size_in_bytes) { |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 831 | DCHECK_EQ(sizeof(size_t), sizeof(uint32_t)); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 832 | SetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, frame_size_in_bytes_), |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 833 | new_frame_size_in_bytes, false); |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 834 | } |
| 835 | |
Shih-wei Liao | d11af15 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 836 | size_t GetReturnPcOffsetInBytes() const { |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 837 | return GetFrameSizeInBytes() - kPointerSize; |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 838 | } |
| 839 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 840 | bool IsRegistered() const; |
Elliott Hughes | d369bb7 | 2011-09-12 14:41:14 -0700 | [diff] [blame] | 841 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 842 | void RegisterNative(Thread* self, const void* native_method) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 843 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 844 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 845 | void UnregisterNative(Thread* self) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 5174fe6 | 2011-08-23 15:12:35 -0700 | [diff] [blame] | 846 | |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 847 | static MemberOffset NativeMethodOffset() { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 848 | return OFFSET_OF_OBJECT_MEMBER(AbstractMethod, native_method_); |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 849 | } |
| 850 | |
Brian Carlstrom | 78128a6 | 2011-09-15 17:21:19 -0700 | [diff] [blame] | 851 | const void* GetNativeMethod() const { |
| 852 | return reinterpret_cast<const void*>(GetField32(NativeMethodOffset(), false)); |
| 853 | } |
| 854 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 855 | // Native to managed invocation stub entry point |
Ian Rogers | 1b09b09 | 2012-08-20 15:35:52 -0700 | [diff] [blame] | 856 | InvokeStub* GetInvokeStub() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 857 | InvokeStub* result = GetFieldPtr<InvokeStub*>( |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 858 | OFFSET_OF_OBJECT_MEMBER(AbstractMethod, invoke_stub_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 859 | // TODO: DCHECK(result != NULL); should be ahead of time compiled |
| 860 | return result; |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 861 | } |
| 862 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 863 | void SetInvokeStub(InvokeStub* invoke_stub) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 864 | SetFieldPtr<InvokeStub*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, invoke_stub_), |
Ian Rogers | 1b09b09 | 2012-08-20 15:35:52 -0700 | [diff] [blame] | 865 | invoke_stub, false); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 866 | } |
| 867 | |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 868 | uint32_t GetInvokeStubSize() const { |
Logan Chien | 4284bb9 | 2012-06-06 15:30:44 +0800 | [diff] [blame] | 869 | uintptr_t invoke_stub = reinterpret_cast<uintptr_t>(GetInvokeStub()); |
| 870 | if (invoke_stub == 0) { |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 871 | return 0; |
| 872 | } |
Logan Chien | 4284bb9 | 2012-06-06 15:30:44 +0800 | [diff] [blame] | 873 | // TODO: make this Thumb2 specific |
| 874 | invoke_stub &= ~0x1; |
| 875 | return reinterpret_cast<const uint32_t*>(invoke_stub)[-1]; |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 876 | } |
| 877 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 878 | uint32_t GetOatInvokeStubOffset() const { |
Elliott Hughes | 307f75d | 2011-10-12 18:04:40 -0700 | [diff] [blame] | 879 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 880 | return reinterpret_cast<uint32_t>(GetInvokeStub()); |
| 881 | } |
| 882 | |
| 883 | void SetOatInvokeStubOffset(uint32_t invoke_stub_offset) { |
Elliott Hughes | 307f75d | 2011-10-12 18:04:40 -0700 | [diff] [blame] | 884 | DCHECK(!Runtime::Current()->IsStarted()); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 885 | SetInvokeStub(reinterpret_cast<InvokeStub*>(invoke_stub_offset)); |
| 886 | } |
| 887 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 888 | static MemberOffset GetInvokeStubOffset() { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 889 | return OFFSET_OF_OBJECT_MEMBER(AbstractMethod, invoke_stub_); |
Carl Shapiro | 9b9ba28 | 2011-08-14 15:30:39 -0700 | [diff] [blame] | 890 | } |
| 891 | |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 892 | static MemberOffset GetMethodIndexOffset() { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 893 | return OFFSET_OF_OBJECT_MEMBER(AbstractMethod, method_index_); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 894 | } |
| 895 | |
Ian Rogers | 9086572 | 2011-09-19 11:11:44 -0700 | [diff] [blame] | 896 | uint32_t GetCoreSpillMask() const { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 897 | return GetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, core_spill_mask_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 898 | } |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 899 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 900 | void SetCoreSpillMask(uint32_t core_spill_mask) { |
| 901 | // Computed during compilation |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 902 | SetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, core_spill_mask_), core_spill_mask, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 903 | } |
| 904 | |
Ian Rogers | 9086572 | 2011-09-19 11:11:44 -0700 | [diff] [blame] | 905 | uint32_t GetFpSpillMask() const { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 906 | return GetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, fp_spill_mask_), false); |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 907 | } |
| 908 | |
| 909 | void SetFpSpillMask(uint32_t fp_spill_mask) { |
| 910 | // Computed during compilation |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 911 | SetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, fp_spill_mask_), fp_spill_mask, false); |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 912 | } |
| 913 | |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 914 | // Is this a CalleSaveMethod or ResolutionMethod and therefore doesn't adhere to normal |
Ian Rogers | 640495b | 2012-06-22 15:15:47 -0700 | [diff] [blame] | 915 | // conventions for a method of managed code. Returns false for Proxy methods. |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 916 | bool IsRuntimeMethod() const { |
| 917 | return GetDexMethodIndex() == DexFile::kDexNoIndex16; |
| 918 | } |
| 919 | |
Ian Rogers | 9086572 | 2011-09-19 11:11:44 -0700 | [diff] [blame] | 920 | // Is this a hand crafted method used for something like describing callee saves? |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 921 | bool IsCalleeSaveMethod() const { |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 922 | if (!IsRuntimeMethod()) { |
| 923 | return false; |
| 924 | } |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 925 | Runtime* runtime = Runtime::Current(); |
| 926 | bool result = false; |
Elliott Hughes | 362f9bc | 2011-10-17 18:56:41 -0700 | [diff] [blame] | 927 | for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) { |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 928 | if (this == runtime->GetCalleeSaveMethod(Runtime::CalleeSaveType(i))) { |
| 929 | result = true; |
| 930 | break; |
| 931 | } |
| 932 | } |
Ian Rogers | 9086572 | 2011-09-19 11:11:44 -0700 | [diff] [blame] | 933 | return result; |
| 934 | } |
| 935 | |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 936 | bool IsResolutionMethod() const { |
| 937 | bool result = this == Runtime::Current()->GetResolutionMethod(); |
| 938 | // Check that if we do think it is phony it looks like the resolution method |
| 939 | DCHECK(!result || GetDexMethodIndex() == DexFile::kDexNoIndex16); |
| 940 | return result; |
| 941 | } |
| 942 | |
Ian Rogers | 0c7abda | 2012-09-19 13:33:42 -0700 | [diff] [blame] | 943 | uintptr_t NativePcOffset(const uintptr_t pc) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 944 | |
Ian Rogers | 0c7abda | 2012-09-19 13:33:42 -0700 | [diff] [blame] | 945 | // Converts a native PC to a dex PC. |
| 946 | uint32_t ToDexPc(const uintptr_t pc) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 947 | |
| 948 | // Converts a dex PC to a native PC. |
| 949 | uintptr_t ToNativePc(const uint32_t dex_pc) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 950 | |
Bill Buzbee | a5b3024 | 2012-09-28 07:19:44 -0700 | [diff] [blame] | 951 | // Converts a dex PC to the first corresponding safepoint PC. |
| 952 | uintptr_t ToFirstNativeSafepointPc(const uint32_t dex_pc) |
| 953 | const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 954 | |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 955 | // Find the catch block for the given exception type and dex_pc |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 956 | uint32_t FindCatchBlock(Class* exception_type, uint32_t dex_pc) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 957 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 958 | |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 959 | static void SetClasses(Class* java_lang_reflect_Constructor, Class* java_lang_reflect_Method); |
| 960 | |
| 961 | static Class* GetConstructorClass() { |
| 962 | return java_lang_reflect_Constructor_; |
| 963 | } |
| 964 | |
| 965 | static Class* GetMethodClass() { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 966 | return java_lang_reflect_Method_; |
| 967 | } |
| 968 | |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 969 | static void ResetClasses(); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 970 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 971 | protected: |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 972 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 973 | // The class we are a part of |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 974 | Class* declaring_class_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 975 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 976 | // short cuts to declaring_class_->dex_cache_ member for fast compiled code access |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 977 | ObjectArray<StaticStorageBase>* dex_cache_initialized_static_storage_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 978 | |
| 979 | // short cuts to declaring_class_->dex_cache_ member for fast compiled code access |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 980 | ObjectArray<Class>* dex_cache_resolved_methods_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 981 | |
| 982 | // short cuts to declaring_class_->dex_cache_ member for fast compiled code access |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 983 | ObjectArray<Class>* dex_cache_resolved_types_; |
| 984 | |
| 985 | // short cuts to declaring_class_->dex_cache_ member for fast compiled code access |
| 986 | ObjectArray<String>* dex_cache_strings_; |
| 987 | |
Elliott Hughes | 1d3f114 | 2011-09-13 12:00:00 -0700 | [diff] [blame] | 988 | // Access flags; low 16 bits are defined by spec. |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 989 | uint32_t access_flags_; |
| 990 | |
| 991 | // Compiled code associated with this method for callers from managed code. |
| 992 | // May be compiled managed code or a bridge for invoking a native method. |
| 993 | const void* code_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 994 | |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 995 | // Offset to the CodeItem. |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 996 | uint32_t code_item_offset_; |
Shih-wei Liao | 2fb9753 | 2011-08-11 16:17:23 -0700 | [diff] [blame] | 997 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 998 | // Architecture-dependent register spill mask |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 999 | uint32_t core_spill_mask_; |
| 1000 | |
| 1001 | // Architecture-dependent register spill mask |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1002 | uint32_t fp_spill_mask_; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1003 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1004 | // Total size in bytes of the frame |
| 1005 | size_t frame_size_in_bytes_; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1006 | |
Ian Rogers | 0c7abda | 2012-09-19 13:33:42 -0700 | [diff] [blame] | 1007 | // Garbage collection map of native PC offsets to reference bitmaps. |
| 1008 | const uint8_t* native_gc_map_; |
Brian Carlstrom | e7d856b | 2012-01-11 18:10:55 -0800 | [diff] [blame] | 1009 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1010 | // Native invocation stub entry point for calling from native to managed code. |
Ian Rogers | 1b09b09 | 2012-08-20 15:35:52 -0700 | [diff] [blame] | 1011 | InvokeStub* invoke_stub_; |
buzbee | 4ef7652 | 2011-09-08 10:00:32 -0700 | [diff] [blame] | 1012 | |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 1013 | // Mapping from native pc to dex pc |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 1014 | const uint32_t* mapping_table_; |
| 1015 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 1016 | // Index into method_ids of the dex file associated with this method |
| 1017 | uint32_t method_dex_index_; |
| 1018 | |
Ian Rogers | 466bb25 | 2011-10-14 03:29:56 -0700 | [diff] [blame] | 1019 | // For concrete virtual methods, this is the offset of the method in Class::vtable_. |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1020 | // |
Ian Rogers | 466bb25 | 2011-10-14 03:29:56 -0700 | [diff] [blame] | 1021 | // For abstract methods in an interface class, this is the offset of the method in |
| 1022 | // "iftable_->Get(n)->GetMethodArray()". |
Ian Rogers | 1984651 | 2012-02-24 11:42:47 -0800 | [diff] [blame] | 1023 | // |
| 1024 | // For static and direct methods this is the index in the direct methods table. |
Elliott Hughes | 1d3f114 | 2011-09-13 12:00:00 -0700 | [diff] [blame] | 1025 | uint32_t method_index_; |
Shih-wei Liao | 1a18c8c | 2011-08-14 17:47:36 -0700 | [diff] [blame] | 1026 | |
Brian Carlstrom | 9baa4ae | 2011-09-01 21:14:14 -0700 | [diff] [blame] | 1027 | // The target native method registered with this method |
Ian Rogers | b033c75 | 2011-07-20 12:22:35 -0700 | [diff] [blame] | 1028 | const void* native_method_; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1029 | |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 1030 | // When a register is promoted into a register, the spill mask holds which registers hold dex |
| 1031 | // registers. The first promoted register's corresponding dex register is vmap_table_[1], the Nth |
| 1032 | // is vmap_table_[N]. vmap_table_[0] holds the length of the table. |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 1033 | const uint16_t* vmap_table_; |
| 1034 | |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 1035 | static Class* java_lang_reflect_Constructor_; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1036 | static Class* java_lang_reflect_Method_; |
| 1037 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1038 | friend class ImageWriter; // for relocating code_ and invoke_stub_ |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1039 | friend struct AbstractMethodOffsets; // for verifying offset information |
| 1040 | friend struct ConstructorMethodOffsets; // for verifying offset information |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1041 | friend struct MethodOffsets; // for verifying offset information |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1042 | DISALLOW_IMPLICIT_CONSTRUCTORS(AbstractMethod); |
| 1043 | }; |
| 1044 | |
| 1045 | class MANAGED Method : public AbstractMethod { |
| 1046 | |
| 1047 | }; |
| 1048 | |
| 1049 | class MANAGED Constructor : public AbstractMethod { |
| 1050 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1051 | }; |
| 1052 | |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 1053 | class MANAGED Array : public Object { |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1054 | public: |
Elliott Hughes | 68f4fa0 | 2011-08-21 10:46:59 -0700 | [diff] [blame] | 1055 | // A convenience for code that doesn't know the component size, |
| 1056 | // and doesn't want to have to work it out itself. |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1057 | static Array* Alloc(Class* array_class, int32_t component_count) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1058 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 68f4fa0 | 2011-08-21 10:46:59 -0700 | [diff] [blame] | 1059 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1060 | static Array* Alloc(Class* array_class, int32_t component_count, size_t component_size) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1061 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1062 | |
Elliott Hughes | 04b63fd | 2011-08-16 09:40:10 -0700 | [diff] [blame] | 1063 | size_t SizeOf() const; |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 1064 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 1065 | int32_t GetLength() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1066 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Array, length_), false); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1067 | } |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1068 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1069 | void SetLength(int32_t length) { |
Elliott Hughes | 0f4c41d | 2011-09-04 14:58:03 -0700 | [diff] [blame] | 1070 | CHECK_GE(length, 0); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1071 | SetField32(OFFSET_OF_OBJECT_MEMBER(Array, length_), length, false); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1072 | } |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1073 | |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 1074 | static MemberOffset LengthOffset() { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1075 | return OFFSET_OF_OBJECT_MEMBER(Array, length_); |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 1076 | } |
| 1077 | |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 1078 | static MemberOffset DataOffset(size_t component_size) { |
| 1079 | if (component_size != sizeof(int64_t)) { |
| 1080 | return OFFSET_OF_OBJECT_MEMBER(Array, first_element_); |
| 1081 | } else { |
| 1082 | // Align longs and doubles. |
| 1083 | return MemberOffset(OFFSETOF_MEMBER(Array, first_element_) + 4); |
| 1084 | } |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 1085 | } |
| 1086 | |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 1087 | void* GetRawData(size_t component_size) { |
| 1088 | intptr_t data = reinterpret_cast<intptr_t>(this) + DataOffset(component_size).Int32Value(); |
| 1089 | return reinterpret_cast<void*>(data); |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame] | 1090 | } |
| 1091 | |
Elliott Hughes | a21039c | 2012-06-21 12:09:25 -0700 | [diff] [blame] | 1092 | const void* GetRawData(size_t component_size) const { |
| 1093 | intptr_t data = reinterpret_cast<intptr_t>(this) + DataOffset(component_size).Int32Value(); |
| 1094 | return reinterpret_cast<const void*>(data); |
| 1095 | } |
| 1096 | |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 1097 | protected: |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1098 | bool IsValidIndex(int32_t index) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1099 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | caab8c4 | 2011-10-12 12:11:18 -0700 | [diff] [blame] | 1100 | if (UNLIKELY(index < 0 || index >= length_)) { |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 1101 | return ThrowArrayIndexOutOfBoundsException(index); |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 1102 | } |
| 1103 | return true; |
| 1104 | } |
| 1105 | |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 1106 | protected: |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1107 | bool ThrowArrayIndexOutOfBoundsException(int32_t index) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1108 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1109 | bool ThrowArrayStoreException(Object* object) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1110 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 1111 | |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1112 | private: |
| 1113 | // The number of array elements. |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 1114 | int32_t length_; |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 1115 | // Marker for the data (used by generated code) |
| 1116 | uint32_t first_element_[0]; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1117 | |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1118 | DISALLOW_IMPLICIT_CONSTRUCTORS(Array); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1119 | }; |
| 1120 | |
Brian Carlstrom | 4a96b60 | 2011-07-26 16:40:23 -0700 | [diff] [blame] | 1121 | template<class T> |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 1122 | class MANAGED ObjectArray : public Array { |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1123 | public: |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1124 | static ObjectArray<T>* Alloc(Class* object_array_class, int32_t length) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1125 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 1126 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1127 | T* Get(int32_t i) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Jesse Wilson | df4189c | 2011-08-09 17:10:28 -0400 | [diff] [blame] | 1128 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1129 | void Set(int32_t i, T* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Jesse Wilson | df4189c | 2011-08-09 17:10:28 -0400 | [diff] [blame] | 1130 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1131 | // Set element without bound and element type checks, to be used in limited |
| 1132 | // circumstances, such as during boot image writing |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1133 | void SetWithoutChecks(int32_t i, T* object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1134 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1135 | T* GetWithoutChecks(int32_t i) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 1136 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1137 | static void Copy(const ObjectArray<T>* src, int src_pos, |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1138 | ObjectArray<T>* dst, int dst_pos, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1139 | size_t length) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1140 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1141 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1142 | ObjectArray<T>* CopyOf(int32_t new_length) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1143 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1144 | |
| 1145 | private: |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 1146 | DISALLOW_IMPLICIT_CONSTRUCTORS(ObjectArray); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1147 | }; |
| 1148 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1149 | template<class T> |
| 1150 | ObjectArray<T>* ObjectArray<T>::Alloc(Class* object_array_class, int32_t length) { |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 1151 | Array* array = Array::Alloc(object_array_class, length, sizeof(Object*)); |
Ian Rogers | c8b306f | 2012-02-17 21:34:44 -0800 | [diff] [blame] | 1152 | if (UNLIKELY(array == NULL)) { |
| 1153 | return NULL; |
| 1154 | } else { |
| 1155 | return array->AsObjectArray<T>(); |
| 1156 | } |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1157 | } |
| 1158 | |
| 1159 | template<class T> |
Ian Rogers | a1d7993 | 2012-09-27 00:33:21 -0700 | [diff] [blame] | 1160 | inline T* ObjectArray<T>::Get(int32_t i) const { |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 1161 | if (UNLIKELY(!IsValidIndex(i))) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1162 | return NULL; |
| 1163 | } |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 1164 | MemberOffset data_offset(DataOffset(sizeof(Object*)).Int32Value() + i * sizeof(Object*)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1165 | return GetFieldObject<T*>(data_offset, false); |
| 1166 | } |
| 1167 | |
| 1168 | template<class T> |
| 1169 | ObjectArray<T>* ObjectArray<T>::CopyOf(int32_t new_length) { |
| 1170 | ObjectArray<T>* new_array = Alloc(GetClass(), new_length); |
| 1171 | Copy(this, 0, new_array, 0, std::min(GetLength(), new_length)); |
| 1172 | return new_array; |
| 1173 | } |
| 1174 | |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 1175 | // Type for the InitializedStaticStorage table. Currently the Class |
Brian Carlstrom | 848a4b3 | 2011-09-04 11:29:27 -0700 | [diff] [blame] | 1176 | // provides the static storage. However, this might change to an Array |
| 1177 | // to improve image sharing, so we use this type to avoid assumptions |
| 1178 | // on the current storage. |
Elliott Hughes | 4825756 | 2012-06-06 17:42:44 -0700 | [diff] [blame] | 1179 | class MANAGED StaticStorageBase : public Object { |
| 1180 | }; |
Brian Carlstrom | 1caa2c2 | 2011-08-28 13:02:33 -0700 | [diff] [blame] | 1181 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1182 | // C++ mirror of java.lang.Class |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 1183 | class MANAGED Class : public StaticStorageBase { |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1184 | public: |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 1185 | // Class Status |
| 1186 | // |
| 1187 | // kStatusNotReady: If a Class cannot be found in the class table by |
| 1188 | // FindClass, it allocates an new one with AllocClass in the |
| 1189 | // kStatusNotReady and calls LoadClass. Note if it does find a |
| 1190 | // class, it may not be kStatusResolved and it will try to push it |
| 1191 | // forward toward kStatusResolved. |
| 1192 | // |
| 1193 | // kStatusIdx: LoadClass populates with Class with information from |
| 1194 | // the DexFile, moving the status to kStatusIdx, indicating that the |
Ian Rogers | d418eda | 2012-01-30 12:14:28 -0800 | [diff] [blame] | 1195 | // Class value in super_class_ has not been populated. The new Class |
| 1196 | // can then be inserted into the classes table. |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 1197 | // |
| 1198 | // kStatusLoaded: After taking a lock on Class, the ClassLinker will |
| 1199 | // attempt to move a kStatusIdx class forward to kStatusLoaded by |
Ian Rogers | d418eda | 2012-01-30 12:14:28 -0800 | [diff] [blame] | 1200 | // using ResolveClass to initialize the super_class_ and ensuring the |
| 1201 | // interfaces are resolved. |
Brian Carlstrom | 74eb46a | 2011-08-02 20:10:14 -0700 | [diff] [blame] | 1202 | // |
| 1203 | // kStatusResolved: Still holding the lock on Class, the ClassLinker |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1204 | // shows linking is complete and fields of the Class populated by making |
| 1205 | // it kStatusResolved. Java allows circularities of the form where a super |
| 1206 | // class has a field that is of the type of the sub class. We need to be able |
| 1207 | // to fully resolve super classes while resolving types for fields. |
jeffhao | f1e6b7c | 2012-06-05 18:33:30 -0700 | [diff] [blame] | 1208 | // |
| 1209 | // kStatusRetryVerificationAtRuntime: The verifier sets a class to |
| 1210 | // this state if it encounters a soft failure at compile time. This |
| 1211 | // often happens when there are unresolved classes in other dex |
| 1212 | // files, and this status marks a class as needing to be verified |
| 1213 | // again at runtime. |
| 1214 | // |
| 1215 | // TODO: Explain the other states |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1216 | enum Status { |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 1217 | kStatusError = -1, |
| 1218 | kStatusNotReady = 0, |
Ian Rogers | 9ffb039 | 2012-09-10 11:56:50 -0700 | [diff] [blame] | 1219 | kStatusIdx = 1, // Loaded, DEX idx in super_class_type_idx_ and interfaces_type_idx_. |
| 1220 | kStatusLoaded = 2, // DEX idx values resolved. |
| 1221 | kStatusResolved = 3, // Part of linking. |
| 1222 | kStatusVerifying = 4, // In the process of being verified. |
| 1223 | kStatusRetryVerificationAtRuntime = 5, // Compile time verification failed, retry at runtime. |
| 1224 | kStatusVerifyingAtRuntime = 6, // Retrying verification at runtime. |
| 1225 | kStatusVerified = 7, // Logically part of linking; done pre-init. |
| 1226 | kStatusInitializing = 8, // Class init in progress. |
| 1227 | kStatusInitialized = 9, // Ready to go. |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1228 | }; |
| 1229 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1230 | Status GetStatus() const { |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1231 | DCHECK_EQ(sizeof(Status), sizeof(uint32_t)); |
| 1232 | return static_cast<Status>(GetField32(OFFSET_OF_OBJECT_MEMBER(Class, status_), false)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1233 | } |
| 1234 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1235 | void SetStatus(Status new_status) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1236 | |
| 1237 | // Returns true if the class has failed to link. |
| 1238 | bool IsErroneous() const { |
| 1239 | return GetStatus() == kStatusError; |
| 1240 | } |
| 1241 | |
| 1242 | // Returns true if the class has been loaded. |
| 1243 | bool IsIdxLoaded() const { |
| 1244 | return GetStatus() >= kStatusIdx; |
| 1245 | } |
| 1246 | |
| 1247 | // Returns true if the class has been loaded. |
| 1248 | bool IsLoaded() const { |
| 1249 | return GetStatus() >= kStatusLoaded; |
| 1250 | } |
| 1251 | |
| 1252 | // Returns true if the class has been linked. |
Elliott Hughes | 5fe594f | 2011-09-08 12:33:17 -0700 | [diff] [blame] | 1253 | bool IsResolved() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1254 | return GetStatus() >= kStatusResolved; |
| 1255 | } |
| 1256 | |
jeffhao | f1e6b7c | 2012-06-05 18:33:30 -0700 | [diff] [blame] | 1257 | // Returns true if the class was compile-time verified. |
| 1258 | bool IsCompileTimeVerified() const { |
| 1259 | return GetStatus() >= kStatusRetryVerificationAtRuntime; |
| 1260 | } |
| 1261 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1262 | // Returns true if the class has been verified. |
| 1263 | bool IsVerified() const { |
| 1264 | return GetStatus() >= kStatusVerified; |
| 1265 | } |
| 1266 | |
Brian Carlstrom | 5d40f18 | 2011-09-26 22:29:18 -0700 | [diff] [blame] | 1267 | // Returns true if the class is initializing. |
| 1268 | bool IsInitializing() const { |
| 1269 | return GetStatus() >= kStatusInitializing; |
| 1270 | } |
| 1271 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1272 | // Returns true if the class is initialized. |
| 1273 | bool IsInitialized() const { |
| 1274 | return GetStatus() == kStatusInitialized; |
| 1275 | } |
| 1276 | |
| 1277 | uint32_t GetAccessFlags() const; |
| 1278 | |
| 1279 | void SetAccessFlags(uint32_t new_access_flags) { |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1280 | SetField32(OFFSET_OF_OBJECT_MEMBER(Class, access_flags_), new_access_flags, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1281 | } |
| 1282 | |
| 1283 | // Returns true if the class is an interface. |
| 1284 | bool IsInterface() const { |
| 1285 | return (GetAccessFlags() & kAccInterface) != 0; |
| 1286 | } |
| 1287 | |
| 1288 | // Returns true if the class is declared public. |
| 1289 | bool IsPublic() const { |
| 1290 | return (GetAccessFlags() & kAccPublic) != 0; |
| 1291 | } |
| 1292 | |
| 1293 | // Returns true if the class is declared final. |
| 1294 | bool IsFinal() const { |
| 1295 | return (GetAccessFlags() & kAccFinal) != 0; |
| 1296 | } |
| 1297 | |
Elliott Hughes | 20cde90 | 2011-10-04 17:37:27 -0700 | [diff] [blame] | 1298 | bool IsFinalizable() const { |
| 1299 | return (GetAccessFlags() & kAccClassIsFinalizable) != 0; |
| 1300 | } |
| 1301 | |
| 1302 | void SetFinalizable() { |
| 1303 | uint32_t flags = GetField32(OFFSET_OF_OBJECT_MEMBER(Class, access_flags_), false); |
| 1304 | SetAccessFlags(flags | kAccClassIsFinalizable); |
| 1305 | } |
| 1306 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1307 | // Returns true if the class is abstract. |
| 1308 | bool IsAbstract() const { |
| 1309 | return (GetAccessFlags() & kAccAbstract) != 0; |
| 1310 | } |
| 1311 | |
| 1312 | // Returns true if the class is an annotation. |
| 1313 | bool IsAnnotation() const { |
| 1314 | return (GetAccessFlags() & kAccAnnotation) != 0; |
| 1315 | } |
| 1316 | |
| 1317 | // Returns true if the class is synthetic. |
| 1318 | bool IsSynthetic() const { |
| 1319 | return (GetAccessFlags() & kAccSynthetic) != 0; |
| 1320 | } |
| 1321 | |
| 1322 | bool IsReferenceClass() const { |
| 1323 | return (GetAccessFlags() & kAccClassIsReference) != 0; |
| 1324 | } |
| 1325 | |
| 1326 | bool IsWeakReferenceClass() const { |
| 1327 | return (GetAccessFlags() & kAccClassIsWeakReference) != 0; |
| 1328 | } |
| 1329 | |
| 1330 | bool IsSoftReferenceClass() const { |
Brian Carlstrom | 0796af0 | 2011-10-12 14:31:45 -0700 | [diff] [blame] | 1331 | return (GetAccessFlags() & kAccReferenceFlagsMask) == kAccClassIsReference; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1332 | } |
| 1333 | |
| 1334 | bool IsFinalizerReferenceClass() const { |
| 1335 | return (GetAccessFlags() & kAccClassIsFinalizerReference) != 0; |
| 1336 | } |
| 1337 | |
| 1338 | bool IsPhantomReferenceClass() const { |
| 1339 | return (GetAccessFlags() & kAccClassIsPhantomReference) != 0; |
| 1340 | } |
| 1341 | |
Ian Rogers | d418eda | 2012-01-30 12:14:28 -0800 | [diff] [blame] | 1342 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1343 | String* GetName() const; // Returns the cached name. |
| 1344 | void SetName(String* name) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); // Sets the cached name. |
| 1345 | // Computes the name, then sets the cached value. |
| 1346 | String* ComputeName() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 1347 | |
| 1348 | bool IsProxyClass() const { |
| 1349 | // Read access flags without using getter as whether something is a proxy can be check in |
| 1350 | // any loaded state |
| 1351 | // TODO: switch to a check if the super class is java.lang.reflect.Proxy? |
| 1352 | uint32_t access_flags = GetField32(OFFSET_OF_OBJECT_MEMBER(Class, access_flags_), false); |
| 1353 | return (access_flags & kAccClassIsProxy) != 0; |
| 1354 | } |
| 1355 | |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1356 | Primitive::Type GetPrimitiveType() const { |
| 1357 | DCHECK_EQ(sizeof(Primitive::Type), sizeof(int32_t)); |
| 1358 | return static_cast<Primitive::Type>( |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1359 | GetField32(OFFSET_OF_OBJECT_MEMBER(Class, primitive_type_), false)); |
| 1360 | } |
| 1361 | |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1362 | void SetPrimitiveType(Primitive::Type new_type) { |
| 1363 | DCHECK_EQ(sizeof(Primitive::Type), sizeof(int32_t)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1364 | SetField32(OFFSET_OF_OBJECT_MEMBER(Class, primitive_type_), new_type, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1365 | } |
| 1366 | |
| 1367 | // Returns true if the class is a primitive type. |
| 1368 | bool IsPrimitive() const { |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1369 | return GetPrimitiveType() != Primitive::kPrimNot; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1370 | } |
| 1371 | |
| 1372 | bool IsPrimitiveBoolean() const { |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1373 | return GetPrimitiveType() == Primitive::kPrimBoolean; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1374 | } |
| 1375 | |
| 1376 | bool IsPrimitiveByte() const { |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1377 | return GetPrimitiveType() == Primitive::kPrimByte; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1378 | } |
| 1379 | |
| 1380 | bool IsPrimitiveChar() const { |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1381 | return GetPrimitiveType() == Primitive::kPrimChar; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1382 | } |
| 1383 | |
| 1384 | bool IsPrimitiveShort() const { |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1385 | return GetPrimitiveType() == Primitive::kPrimShort; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1386 | } |
| 1387 | |
| 1388 | bool IsPrimitiveInt() const { |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1389 | return GetPrimitiveType() == Primitive::kPrimInt; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1390 | } |
| 1391 | |
| 1392 | bool IsPrimitiveLong() const { |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1393 | return GetPrimitiveType() == Primitive::kPrimLong; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1394 | } |
| 1395 | |
| 1396 | bool IsPrimitiveFloat() const { |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1397 | return GetPrimitiveType() == Primitive::kPrimFloat; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1398 | } |
| 1399 | |
| 1400 | bool IsPrimitiveDouble() const { |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1401 | return GetPrimitiveType() == Primitive::kPrimDouble; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1402 | } |
| 1403 | |
| 1404 | bool IsPrimitiveVoid() const { |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1405 | return GetPrimitiveType() == Primitive::kPrimVoid; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1406 | } |
| 1407 | |
Mathieu Chartier | e0f0cb3 | 2012-08-28 11:26:00 -0700 | [diff] [blame] | 1408 | bool IsPrimitiveArray() const { |
| 1409 | return IsArrayClass() && GetComponentType()->IsPrimitive(); |
| 1410 | } |
| 1411 | |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 1412 | // Depth of class from java.lang.Object |
| 1413 | size_t Depth() { |
| 1414 | size_t depth = 0; |
Elliott Hughes | ff17f1f | 2012-01-24 18:12:29 -0800 | [diff] [blame] | 1415 | for (Class* klass = this; klass->GetSuperClass() != NULL; klass = klass->GetSuperClass()) { |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 1416 | depth++; |
| 1417 | } |
| 1418 | return depth; |
| 1419 | } |
| 1420 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1421 | bool IsArrayClass() const { |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 1422 | return GetComponentType() != NULL; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1423 | } |
| 1424 | |
Elliott Hughes | dbb4079 | 2011-11-18 17:05:22 -0800 | [diff] [blame] | 1425 | bool IsClassClass() const; |
| 1426 | |
| 1427 | bool IsStringClass() const; |
| 1428 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1429 | bool IsThrowableClass() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 6f1dfe4 | 2011-12-08 17:28:34 -0800 | [diff] [blame] | 1430 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1431 | Class* GetComponentType() const { |
Elliott Hughes | b066311 | 2011-10-19 18:16:37 -0700 | [diff] [blame] | 1432 | return GetFieldObject<Class*>(OFFSET_OF_OBJECT_MEMBER(Class, component_type_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1433 | } |
| 1434 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1435 | void SetComponentType(Class* new_component_type) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1436 | DCHECK(GetComponentType() == NULL); |
| 1437 | DCHECK(new_component_type != NULL); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1438 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, component_type_), new_component_type, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1439 | } |
| 1440 | |
| 1441 | size_t GetComponentSize() const { |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 1442 | return Primitive::ComponentSize(GetComponentType()->GetPrimitiveType()); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1443 | } |
| 1444 | |
| 1445 | bool IsObjectClass() const { |
| 1446 | return !IsPrimitive() && GetSuperClass() == NULL; |
| 1447 | } |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 1448 | bool IsInstantiable() const { |
| 1449 | return !IsPrimitive() && !IsInterface() && !IsAbstract(); |
| 1450 | } |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1451 | |
Brian Carlstrom | 1f87008 | 2011-08-23 16:02:11 -0700 | [diff] [blame] | 1452 | // Creates a raw object instance but does not invoke the default constructor. |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1453 | Object* AllocObject() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 1454 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1455 | bool IsVariableSize() const { |
| 1456 | // Classes and arrays vary in size, and so the object_size_ field cannot |
| 1457 | // be used to get their instance size |
| 1458 | return IsClassClass() || IsArrayClass(); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1459 | } |
| 1460 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1461 | size_t SizeOf() const { |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1462 | DCHECK_EQ(sizeof(size_t), sizeof(int32_t)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1463 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, class_size_), false); |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 1464 | } |
| 1465 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1466 | size_t GetClassSize() const { |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1467 | DCHECK_EQ(sizeof(size_t), sizeof(uint32_t)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1468 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, class_size_), false); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1469 | } |
| 1470 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1471 | void SetClassSize(size_t new_class_size) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1472 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1473 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1474 | size_t GetObjectSize() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Jesse Wilson | 1121e0b | 2011-11-07 15:37:42 -0500 | [diff] [blame] | 1475 | CHECK(!IsVariableSize()) << " class=" << PrettyTypeOf(this); |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1476 | DCHECK_EQ(sizeof(size_t), sizeof(int32_t)); |
Elliott Hughes | 54e7df1 | 2011-09-16 11:47:04 -0700 | [diff] [blame] | 1477 | size_t result = GetField32(OFFSET_OF_OBJECT_MEMBER(Class, object_size_), false); |
Jesse Wilson | 1121e0b | 2011-11-07 15:37:42 -0500 | [diff] [blame] | 1478 | CHECK_GE(result, sizeof(Object)) << " class=" << PrettyTypeOf(this); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1479 | return result; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1480 | } |
| 1481 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1482 | void SetObjectSize(size_t new_object_size) { |
| 1483 | DCHECK(!IsVariableSize()); |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1484 | DCHECK_EQ(sizeof(size_t), sizeof(int32_t)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1485 | return SetField32(OFFSET_OF_OBJECT_MEMBER(Class, object_size_), new_object_size, false); |
Carl Shapiro | 83ab4f3 | 2011-08-15 20:21:39 -0700 | [diff] [blame] | 1486 | } |
| 1487 | |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 1488 | // Returns true if this class is in the same packages as that class. |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1489 | bool IsInSamePackage(const Class* that) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1490 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 1491 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 1492 | static bool IsInSamePackage(const StringPiece& descriptor1, const StringPiece& descriptor2); |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 1493 | |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 1494 | // Returns true if this class can access that class. |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1495 | bool CanAccess(Class* that) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1496 | return that->IsPublic() || this->IsInSamePackage(that); |
Carl Shapiro | 894d0fa | 2011-06-30 14:48:49 -0700 | [diff] [blame] | 1497 | } |
| 1498 | |
Ian Rogers | f239165 | 2011-12-14 12:50:52 -0800 | [diff] [blame] | 1499 | // Can this class access a member in the provided class with the provided member access flags? |
Ian Rogers | c2b4447 | 2011-12-14 21:17:17 -0800 | [diff] [blame] | 1500 | // Note that access to the class isn't checked in case the declaring class is protected and the |
| 1501 | // method has been exposed by a public sub-class |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1502 | bool CanAccessMember(Class* access_to, uint32_t member_flags) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1503 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | f239165 | 2011-12-14 12:50:52 -0800 | [diff] [blame] | 1504 | // Classes can access all of their own members |
jeffhao | 4a801a4 | 2011-09-23 13:53:40 -0700 | [diff] [blame] | 1505 | if (this == access_to) { |
| 1506 | return true; |
| 1507 | } |
Ian Rogers | f239165 | 2011-12-14 12:50:52 -0800 | [diff] [blame] | 1508 | // Public members are trivially accessible |
| 1509 | if (member_flags & kAccPublic) { |
| 1510 | return true; |
| 1511 | } |
| 1512 | // Private members are trivially not accessible |
jeffhao | 4a801a4 | 2011-09-23 13:53:40 -0700 | [diff] [blame] | 1513 | if (member_flags & kAccPrivate) { |
| 1514 | return false; |
| 1515 | } |
Ian Rogers | f239165 | 2011-12-14 12:50:52 -0800 | [diff] [blame] | 1516 | // Check for protected access from a sub-class, which may or may not be in the same package. |
jeffhao | 4a801a4 | 2011-09-23 13:53:40 -0700 | [diff] [blame] | 1517 | if (member_flags & kAccProtected) { |
| 1518 | if (this->IsSubClass(access_to)) { |
| 1519 | return true; |
| 1520 | } |
| 1521 | } |
Ian Rogers | f239165 | 2011-12-14 12:50:52 -0800 | [diff] [blame] | 1522 | // Allow protected access from other classes in the same package. |
jeffhao | 4a801a4 | 2011-09-23 13:53:40 -0700 | [diff] [blame] | 1523 | return this->IsInSamePackage(access_to); |
| 1524 | } |
| 1525 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1526 | bool IsSubClass(const Class* klass) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1527 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | f91c8c3 | 2011-09-21 17:30:34 -0700 | [diff] [blame] | 1528 | |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 1529 | // Can src be assigned to this class? For example, String can be assigned to Object (by an |
| 1530 | // upcast), however, an Object cannot be assigned to a String as a potentially exception throwing |
| 1531 | // downcast would be necessary. Similarly for interfaces, a class that implements (or an interface |
| 1532 | // that extends) another can be assigned to its parent, but not vice-versa. All Classes may assign |
| 1533 | // to themselves. Classes for primitive types may not assign to each other. |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1534 | bool IsAssignableFrom(const Class* src) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1535 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 1536 | DCHECK(src != NULL); |
| 1537 | if (this == src) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1538 | // Can always assign to things of the same type |
| 1539 | return true; |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 1540 | } else if (IsObjectClass()) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1541 | // Can assign any reference to java.lang.Object |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 1542 | return !src->IsPrimitive(); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1543 | } else if (IsInterface()) { |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 1544 | return src->Implements(this); |
| 1545 | } else if (src->IsArrayClass()) { |
| 1546 | return IsAssignableFromArray(src); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1547 | } else { |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 1548 | return !src->IsInterface() && src->IsSubClass(this); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1549 | } |
| 1550 | } |
Elliott Hughes | bf86d04 | 2011-08-31 17:53:14 -0700 | [diff] [blame] | 1551 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1552 | Class* GetSuperClass() const { |
| 1553 | // Can only get super class for loaded classes (hack for when runtime is |
| 1554 | // initializing) |
Elliott Hughes | 7b3cdfc | 2011-12-08 21:28:17 -0800 | [diff] [blame] | 1555 | DCHECK(IsLoaded() || !Runtime::Current()->IsStarted()) << IsLoaded(); |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1556 | return GetFieldObject<Class*>(OFFSET_OF_OBJECT_MEMBER(Class, super_class_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1557 | } |
| 1558 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1559 | void SetSuperClass(Class *new_super_class) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1560 | // super class is assigned once, except during class linker initialization |
| 1561 | Class* old_super_class = GetFieldObject<Class*>( |
| 1562 | OFFSET_OF_OBJECT_MEMBER(Class, super_class_), false); |
| 1563 | DCHECK(old_super_class == NULL || old_super_class == new_super_class); |
| 1564 | DCHECK(new_super_class != NULL); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1565 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, super_class_), new_super_class, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1566 | } |
| 1567 | |
| 1568 | bool HasSuperClass() const { |
| 1569 | return GetSuperClass() != NULL; |
| 1570 | } |
| 1571 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 1572 | static MemberOffset SuperClassOffset() { |
| 1573 | return MemberOffset(OFFSETOF_MEMBER(Class, super_class_)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1574 | } |
| 1575 | |
Elliott Hughes | 1bba14f | 2011-12-01 18:00:36 -0800 | [diff] [blame] | 1576 | ClassLoader* GetClassLoader() const; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1577 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1578 | void SetClassLoader(ClassLoader* new_cl) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1579 | |
| 1580 | static MemberOffset DexCacheOffset() { |
| 1581 | return MemberOffset(OFFSETOF_MEMBER(Class, dex_cache_)); |
| 1582 | } |
| 1583 | |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1584 | enum { |
| 1585 | kDumpClassFullDetail = 1, |
| 1586 | kDumpClassClassLoader = (1 << 1), |
| 1587 | kDumpClassInitialized = (1 << 2), |
| 1588 | }; |
| 1589 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1590 | void DumpClass(std::ostream& os, int flags) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1591 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 9d5ccec | 2011-09-19 13:19:50 -0700 | [diff] [blame] | 1592 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1593 | DexCache* GetDexCache() const; |
| 1594 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1595 | void SetDexCache(DexCache* new_dex_cache) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1596 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1597 | ObjectArray<AbstractMethod>* GetDirectMethods() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1598 | DCHECK(IsLoaded() || IsErroneous()); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1599 | return GetFieldObject<ObjectArray<AbstractMethod>*>( |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1600 | OFFSET_OF_OBJECT_MEMBER(Class, direct_methods_), false); |
| 1601 | } |
| 1602 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1603 | void SetDirectMethods(ObjectArray<AbstractMethod>* new_direct_methods) |
| 1604 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1605 | DCHECK(NULL == GetFieldObject<ObjectArray<AbstractMethod>*>( |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1606 | OFFSET_OF_OBJECT_MEMBER(Class, direct_methods_), false)); |
| 1607 | DCHECK_NE(0, new_direct_methods->GetLength()); |
| 1608 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, direct_methods_), |
| 1609 | new_direct_methods, false); |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 1610 | } |
| 1611 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1612 | AbstractMethod* GetDirectMethod(int32_t i) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1613 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1614 | return GetDirectMethods()->Get(i); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1615 | } |
| 1616 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1617 | void SetDirectMethod(uint32_t i, AbstractMethod* f) // TODO: uint16_t |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1618 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_){ |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1619 | ObjectArray<AbstractMethod>* direct_methods = |
| 1620 | GetFieldObject<ObjectArray<AbstractMethod>*>( |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1621 | OFFSET_OF_OBJECT_MEMBER(Class, direct_methods_), false); |
| 1622 | direct_methods->Set(i, f); |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 1623 | } |
| 1624 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1625 | // Returns the number of static, private, and constructor methods. |
| 1626 | size_t NumDirectMethods() const { |
| 1627 | return (GetDirectMethods() != NULL) ? GetDirectMethods()->GetLength() : 0; |
| 1628 | } |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 1629 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1630 | ObjectArray<AbstractMethod>* GetVirtualMethods() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1631 | DCHECK(IsLoaded() || IsErroneous()); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1632 | return GetFieldObject<ObjectArray<AbstractMethod>*>( |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1633 | OFFSET_OF_OBJECT_MEMBER(Class, virtual_methods_), false); |
| 1634 | } |
| 1635 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1636 | void SetVirtualMethods(ObjectArray<AbstractMethod>* new_virtual_methods) |
| 1637 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1638 | // TODO: we reassign virtual methods to grow the table for miranda |
| 1639 | // methods.. they should really just be assigned once |
| 1640 | DCHECK_NE(0, new_virtual_methods->GetLength()); |
| 1641 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, virtual_methods_), |
| 1642 | new_virtual_methods, false); |
| 1643 | } |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 1644 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1645 | // Returns the number of non-inherited virtual methods. |
| 1646 | size_t NumVirtualMethods() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1647 | return (GetVirtualMethods() != NULL) ? GetVirtualMethods()->GetLength() : 0; |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1648 | } |
| 1649 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1650 | AbstractMethod* GetVirtualMethod(uint32_t i) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1651 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1652 | DCHECK(IsResolved() || IsErroneous()); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1653 | return GetVirtualMethods()->Get(i); |
| 1654 | } |
| 1655 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1656 | AbstractMethod* GetVirtualMethodDuringLinking(uint32_t i) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1657 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1658 | DCHECK(IsLoaded() || IsErroneous()); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1659 | return GetVirtualMethods()->Get(i); |
Brian Carlstrom | 913af1b | 2011-07-23 21:41:13 -0700 | [diff] [blame] | 1660 | } |
| 1661 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1662 | void SetVirtualMethod(uint32_t i, AbstractMethod* f) // TODO: uint16_t |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1663 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1664 | ObjectArray<AbstractMethod>* virtual_methods = |
| 1665 | GetFieldObject<ObjectArray<AbstractMethod>*>( |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1666 | OFFSET_OF_OBJECT_MEMBER(Class, virtual_methods_), false); |
| 1667 | virtual_methods->Set(i, f); |
| 1668 | } |
| 1669 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1670 | ObjectArray<AbstractMethod>* GetVTable() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1671 | DCHECK(IsResolved() || IsErroneous()); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1672 | return GetFieldObject<ObjectArray<AbstractMethod>*>(OFFSET_OF_OBJECT_MEMBER(Class, vtable_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1673 | } |
| 1674 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1675 | ObjectArray<AbstractMethod>* GetVTableDuringLinking() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1676 | DCHECK(IsLoaded() || IsErroneous()); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1677 | return GetFieldObject<ObjectArray<AbstractMethod>*>(OFFSET_OF_OBJECT_MEMBER(Class, vtable_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1678 | } |
| 1679 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1680 | void SetVTable(ObjectArray<AbstractMethod>* new_vtable) |
| 1681 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1682 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, vtable_), new_vtable, false); |
| 1683 | } |
| 1684 | |
| 1685 | static MemberOffset VTableOffset() { |
| 1686 | return OFFSET_OF_OBJECT_MEMBER(Class, vtable_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1687 | } |
| 1688 | |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1689 | // Given a method implemented by this class but potentially from a |
| 1690 | // super class, return the specific implementation |
| 1691 | // method for this class. |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1692 | AbstractMethod* FindVirtualMethodForVirtual(AbstractMethod* method) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1693 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1694 | DCHECK(!method->GetDeclaringClass()->IsInterface()); |
| 1695 | // The argument method may from a super class. |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1696 | // Use the index to a potentially overridden one for this instance's class. |
| 1697 | return GetVTable()->Get(method->GetMethodIndex()); |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1698 | } |
| 1699 | |
| 1700 | // Given a method implemented by this class, but potentially from a |
| 1701 | // super class or interface, return the specific implementation |
| 1702 | // method for this class. |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1703 | AbstractMethod* FindVirtualMethodForInterface(AbstractMethod* method) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1704 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1705 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1706 | AbstractMethod* FindInterfaceMethod(const StringPiece& name, const StringPiece& descriptor) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1707 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
jeffhao | bdb7651 | 2011-09-07 11:43:16 -0700 | [diff] [blame] | 1708 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1709 | AbstractMethod* FindInterfaceMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1710 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 7b0c5b4 | 2012-02-16 15:29:07 -0800 | [diff] [blame] | 1711 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1712 | AbstractMethod* FindVirtualMethodForVirtualOrInterface(AbstractMethod* method) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1713 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | 395520e | 2011-09-25 19:35:00 -0700 | [diff] [blame] | 1714 | if (method->IsDirect()) { |
| 1715 | return method; |
| 1716 | } |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1717 | if (method->GetDeclaringClass()->IsInterface()) { |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 1718 | return FindVirtualMethodForInterface(method); |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 1719 | } |
| 1720 | return FindVirtualMethodForVirtual(method); |
Elliott Hughes | 72025e5 | 2011-08-23 17:50:30 -0700 | [diff] [blame] | 1721 | } |
| 1722 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1723 | AbstractMethod* FindDeclaredVirtualMethod(const StringPiece& name, const StringPiece& signature) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1724 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 1725 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1726 | AbstractMethod* FindDeclaredVirtualMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1727 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 7b0c5b4 | 2012-02-16 15:29:07 -0800 | [diff] [blame] | 1728 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1729 | AbstractMethod* FindVirtualMethod(const StringPiece& name, const StringPiece& descriptor) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1730 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 419ec7b | 2011-08-03 14:48:33 -0700 | [diff] [blame] | 1731 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1732 | AbstractMethod* FindVirtualMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1733 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1734 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1735 | AbstractMethod* FindDeclaredDirectMethod(const StringPiece& name, const StringPiece& signature) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1736 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 7b0c5b4 | 2012-02-16 15:29:07 -0800 | [diff] [blame] | 1737 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1738 | AbstractMethod* FindDeclaredDirectMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1739 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 7b0c5b4 | 2012-02-16 15:29:07 -0800 | [diff] [blame] | 1740 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1741 | AbstractMethod* FindDirectMethod(const StringPiece& name, const StringPiece& signature) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1742 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 7b0c5b4 | 2012-02-16 15:29:07 -0800 | [diff] [blame] | 1743 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1744 | AbstractMethod* FindDirectMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1745 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 1746 | |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 1747 | int32_t GetIfTableCount() const { |
| 1748 | ObjectArray<InterfaceEntry>* iftable = GetIfTable(); |
| 1749 | if (iftable == NULL) { |
| 1750 | return 0; |
| 1751 | } |
| 1752 | return iftable->GetLength(); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1753 | } |
| 1754 | |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 1755 | ObjectArray<InterfaceEntry>* GetIfTable() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1756 | DCHECK(IsResolved() || IsErroneous()); |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 1757 | return GetFieldObject<ObjectArray<InterfaceEntry>*>( |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1758 | OFFSET_OF_OBJECT_MEMBER(Class, iftable_), false); |
| 1759 | } |
| 1760 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1761 | void SetIfTable(ObjectArray<InterfaceEntry>* new_iftable) |
| 1762 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Elliott Hughes | 5ea047b | 2011-09-13 14:38:18 -0700 | [diff] [blame] | 1763 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, iftable_), new_iftable, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1764 | } |
| 1765 | |
Mathieu Chartier | 262e5ff | 2012-06-01 17:35:38 -0700 | [diff] [blame] | 1766 | // Get instance fields of the class (See also GetSFields). |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1767 | ObjectArray<Field>* GetIFields() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1768 | DCHECK(IsLoaded() || IsErroneous()); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1769 | return GetFieldObject<ObjectArray<Field>*>(OFFSET_OF_OBJECT_MEMBER(Class, ifields_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1770 | } |
| 1771 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1772 | void SetIFields(ObjectArray<Field>* new_ifields) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1773 | DCHECK(NULL == GetFieldObject<ObjectArray<Field>*>( |
| 1774 | OFFSET_OF_OBJECT_MEMBER(Class, ifields_), false)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1775 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, ifields_), new_ifields, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1776 | } |
| 1777 | |
| 1778 | size_t NumInstanceFields() const { |
| 1779 | return (GetIFields() != NULL) ? GetIFields()->GetLength() : 0; |
| 1780 | } |
| 1781 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1782 | Field* GetInstanceField(uint32_t i) const // TODO: uint16_t |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1783 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_){ |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1784 | DCHECK_NE(NumInstanceFields(), 0U); |
| 1785 | return GetIFields()->Get(i); |
| 1786 | } |
| 1787 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1788 | void SetInstanceField(uint32_t i, Field* f) // TODO: uint16_t |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1789 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_){ |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1790 | ObjectArray<Field>* ifields= GetFieldObject<ObjectArray<Field>*>( |
| 1791 | OFFSET_OF_OBJECT_MEMBER(Class, ifields_), false); |
| 1792 | ifields->Set(i, f); |
| 1793 | } |
| 1794 | |
| 1795 | // Returns the number of instance fields containing reference types. |
| 1796 | size_t NumReferenceInstanceFields() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1797 | DCHECK(IsResolved() || IsErroneous()); |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1798 | DCHECK_EQ(sizeof(size_t), sizeof(int32_t)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1799 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, num_reference_instance_fields_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1800 | } |
| 1801 | |
| 1802 | size_t NumReferenceInstanceFieldsDuringLinking() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1803 | DCHECK(IsLoaded() || IsErroneous()); |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1804 | DCHECK_EQ(sizeof(size_t), sizeof(int32_t)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1805 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, num_reference_instance_fields_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1806 | } |
| 1807 | |
| 1808 | void SetNumReferenceInstanceFields(size_t new_num) { |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1809 | DCHECK_EQ(sizeof(size_t), sizeof(int32_t)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1810 | SetField32(OFFSET_OF_OBJECT_MEMBER(Class, num_reference_instance_fields_), new_num, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1811 | } |
| 1812 | |
| 1813 | uint32_t GetReferenceInstanceOffsets() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1814 | DCHECK(IsResolved() || IsErroneous()); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1815 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, reference_instance_offsets_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1816 | } |
| 1817 | |
| 1818 | void SetReferenceInstanceOffsets(uint32_t new_reference_offsets); |
| 1819 | |
| 1820 | // Beginning of static field data |
| 1821 | static MemberOffset FieldsOffset() { |
| 1822 | return OFFSET_OF_OBJECT_MEMBER(Class, fields_); |
| 1823 | } |
| 1824 | |
| 1825 | // Returns the number of static fields containing reference types. |
| 1826 | size_t NumReferenceStaticFields() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1827 | DCHECK(IsResolved() || IsErroneous()); |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1828 | DCHECK_EQ(sizeof(size_t), sizeof(int32_t)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1829 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, num_reference_static_fields_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1830 | } |
| 1831 | |
| 1832 | size_t NumReferenceStaticFieldsDuringLinking() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1833 | DCHECK(IsLoaded() || IsErroneous()); |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1834 | DCHECK_EQ(sizeof(size_t), sizeof(int32_t)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1835 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, num_reference_static_fields_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1836 | } |
| 1837 | |
| 1838 | void SetNumReferenceStaticFields(size_t new_num) { |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 1839 | DCHECK_EQ(sizeof(size_t), sizeof(int32_t)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1840 | SetField32(OFFSET_OF_OBJECT_MEMBER(Class, num_reference_static_fields_), new_num, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1841 | } |
| 1842 | |
Mathieu Chartier | 262e5ff | 2012-06-01 17:35:38 -0700 | [diff] [blame] | 1843 | // Gets the static fields of the class. |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1844 | ObjectArray<Field>* GetSFields() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1845 | DCHECK(IsLoaded() || IsErroneous()); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1846 | return GetFieldObject<ObjectArray<Field>*>(OFFSET_OF_OBJECT_MEMBER(Class, sfields_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1847 | } |
| 1848 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1849 | void SetSFields(ObjectArray<Field>* new_sfields) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1850 | DCHECK(NULL == GetFieldObject<ObjectArray<Field>*>( |
| 1851 | OFFSET_OF_OBJECT_MEMBER(Class, sfields_), false)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1852 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, sfields_), new_sfields, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1853 | } |
| 1854 | |
| 1855 | size_t NumStaticFields() const { |
| 1856 | return (GetSFields() != NULL) ? GetSFields()->GetLength() : 0; |
| 1857 | } |
| 1858 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1859 | Field* GetStaticField(uint32_t i) const // TODO: uint16_t |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1860 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1861 | return GetSFields()->Get(i); |
| 1862 | } |
| 1863 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1864 | void SetStaticField(uint32_t i, Field* f) // TODO: uint16_t |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1865 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1866 | ObjectArray<Field>* sfields= GetFieldObject<ObjectArray<Field>*>( |
| 1867 | OFFSET_OF_OBJECT_MEMBER(Class, sfields_), false); |
| 1868 | sfields->Set(i, f); |
| 1869 | } |
| 1870 | |
| 1871 | uint32_t GetReferenceStaticOffsets() const { |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1872 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, reference_static_offsets_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1873 | } |
| 1874 | |
| 1875 | void SetReferenceStaticOffsets(uint32_t new_reference_offsets); |
| 1876 | |
Ian Rogers | b067ac2 | 2011-12-13 18:05:09 -0800 | [diff] [blame] | 1877 | // Find a static or instance field using the JLS resolution order |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1878 | Field* FindField(const StringPiece& name, const StringPiece& type) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1879 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | b067ac2 | 2011-12-13 18:05:09 -0800 | [diff] [blame] | 1880 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1881 | // Finds the given instance field in this class or a superclass. |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1882 | Field* FindInstanceField(const StringPiece& name, const StringPiece& type) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1883 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1884 | |
Ian Rogers | 7b0c5b4 | 2012-02-16 15:29:07 -0800 | [diff] [blame] | 1885 | // Finds the given instance field in this class or a superclass, only searches classes that |
| 1886 | // have the same dex cache. |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1887 | Field* FindInstanceField(const DexCache* dex_cache, uint32_t dex_field_idx) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1888 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 7b0c5b4 | 2012-02-16 15:29:07 -0800 | [diff] [blame] | 1889 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1890 | Field* FindDeclaredInstanceField(const StringPiece& name, const StringPiece& type) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1891 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1892 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1893 | Field* FindDeclaredInstanceField(const DexCache* dex_cache, uint32_t dex_field_idx) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1894 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 7b0c5b4 | 2012-02-16 15:29:07 -0800 | [diff] [blame] | 1895 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1896 | // Finds the given static field in this class or a superclass. |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1897 | Field* FindStaticField(const StringPiece& name, const StringPiece& type) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1898 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1899 | |
Ian Rogers | 7b0c5b4 | 2012-02-16 15:29:07 -0800 | [diff] [blame] | 1900 | // Finds the given static field in this class or superclass, only searches classes that |
| 1901 | // have the same dex cache. |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1902 | Field* FindStaticField(const DexCache* dex_cache, uint32_t dex_field_idx) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1903 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 7b0c5b4 | 2012-02-16 15:29:07 -0800 | [diff] [blame] | 1904 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1905 | Field* FindDeclaredStaticField(const StringPiece& name, const StringPiece& type) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1906 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1907 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1908 | Field* FindDeclaredStaticField(const DexCache* dex_cache, uint32_t dex_field_idx) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1909 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 7b0c5b4 | 2012-02-16 15:29:07 -0800 | [diff] [blame] | 1910 | |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 1911 | pid_t GetClinitThreadId() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 1912 | DCHECK(IsIdxLoaded() || IsErroneous()); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1913 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, clinit_thread_id_), false); |
| 1914 | } |
| 1915 | |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 1916 | void SetClinitThreadId(pid_t new_clinit_thread_id) { |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1917 | SetField32(OFFSET_OF_OBJECT_MEMBER(Class, clinit_thread_id_), new_clinit_thread_id, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 1918 | } |
| 1919 | |
| 1920 | Class* GetVerifyErrorClass() const { |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1921 | // DCHECK(IsErroneous()); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 1922 | return GetFieldObject<Class*>(OFFSET_OF_OBJECT_MEMBER(Class, verify_error_class_), false); |
Carl Shapiro | 69759ea | 2011-07-21 18:13:35 -0700 | [diff] [blame] | 1923 | } |
| 1924 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 1925 | uint16_t GetDexTypeIndex() const { |
| 1926 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, dex_type_idx_), false); |
jeffhao | 6415503 | 2011-11-03 17:56:34 -0700 | [diff] [blame] | 1927 | } |
| 1928 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 1929 | void SetDexTypeIndex(uint16_t type_idx) { |
| 1930 | SetField32(OFFSET_OF_OBJECT_MEMBER(Class, dex_type_idx_), type_idx, false); |
jeffhao | 6415503 | 2011-11-03 17:56:34 -0700 | [diff] [blame] | 1931 | } |
| 1932 | |
jeffhao | bdb7651 | 2011-09-07 11:43:16 -0700 | [diff] [blame] | 1933 | private: |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 1934 | void SetVerifyErrorClass(Class* klass) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | 4d9716c | 2012-01-30 01:49:33 -0800 | [diff] [blame] | 1935 | CHECK(klass != NULL) << PrettyClass(this); |
| 1936 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, verify_error_class_), klass, false); |
| 1937 | } |
| 1938 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1939 | bool Implements(const Class* klass) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1940 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1941 | bool IsArrayAssignableFromArray(const Class* klass) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1942 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 1943 | bool IsAssignableFromArray(const Class* klass) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 1944 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 1945 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1946 | // defining class loader, or NULL for the "bootstrap" system loader |
Elliott Hughes | 1bba14f | 2011-12-01 18:00:36 -0800 | [diff] [blame] | 1947 | ClassLoader* class_loader_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1948 | |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 1949 | // For array classes, the component class object for instanceof/checkcast |
| 1950 | // (for String[][][], this will be String[][]). NULL for non-array classes. |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 1951 | Class* component_type_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1952 | |
Elliott Hughes | 81ff318 | 2012-03-23 20:35:56 -0700 | [diff] [blame] | 1953 | // DexCache of resolved constant pool entries (will be NULL for classes generated by the |
| 1954 | // runtime such as arrays and primitive classes). |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1955 | DexCache* dex_cache_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1956 | |
| 1957 | // static, private, and <init> methods |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 1958 | ObjectArray<AbstractMethod>* direct_methods_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1959 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1960 | // instance fields |
| 1961 | // |
| 1962 | // These describe the layout of the contents of an Object. |
| 1963 | // Note that only the fields directly declared by this class are |
| 1964 | // listed in ifields; fields declared by a superclass are listed in |
| 1965 | // the superclass's Class.ifields. |
| 1966 | // |
| 1967 | // All instance fields that refer to objects are guaranteed to be at |
| 1968 | // the beginning of the field list. num_reference_instance_fields_ |
| 1969 | // specifies the number of reference fields. |
| 1970 | ObjectArray<Field>* ifields_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 1971 | |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 1972 | // Interface table (iftable_), one entry per interface supported by |
| 1973 | // this class. That means one entry for each interface we support |
| 1974 | // directly, indirectly via superclass, or indirectly via |
| 1975 | // superinterface. This will be null if neither we nor our |
| 1976 | // superclass implement any interfaces. |
| 1977 | // |
| 1978 | // Why we need this: given "class Foo implements Face", declare |
| 1979 | // "Face faceObj = new Foo()". Invoke faceObj.blah(), where "blah" |
| 1980 | // is part of the Face interface. We can't easily use a single |
| 1981 | // vtable. |
| 1982 | // |
| 1983 | // For every interface a concrete class implements, we create an array |
| 1984 | // of the concrete vtable_ methods for the methods in the interface. |
| 1985 | ObjectArray<InterfaceEntry>* iftable_; |
| 1986 | |
Ian Rogers | d418eda | 2012-01-30 12:14:28 -0800 | [diff] [blame] | 1987 | // descriptor for the class such as "java.lang.Class" or "[C". Lazily initialized by ComputeName |
| 1988 | String* name_; |
| 1989 | |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 1990 | // Static fields |
| 1991 | ObjectArray<Field>* sfields_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1992 | |
Ian Rogers | d418eda | 2012-01-30 12:14:28 -0800 | [diff] [blame] | 1993 | // The superclass, or NULL if this is java.lang.Object, an interface or primitive type. |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 1994 | Class* super_class_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1995 | |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 1996 | // If class verify fails, we must return same error on subsequent tries. |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 1997 | Class* verify_error_class_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 1998 | |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 1999 | // virtual methods defined in this class; invoked through vtable |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2000 | ObjectArray<AbstractMethod>* virtual_methods_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 2001 | |
Ian Rogers | 9074b99 | 2011-10-26 17:41:55 -0700 | [diff] [blame] | 2002 | // Virtual method table (vtable), for use by "invoke-virtual". The vtable from the superclass is |
| 2003 | // copied in, and virtual methods from our class either replace those from the super or are |
| 2004 | // appended. For abstract classes, methods may be created in the vtable that aren't in |
| 2005 | // virtual_ methods_ for miranda methods. |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2006 | ObjectArray<AbstractMethod>* vtable_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 2007 | |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 2008 | // access flags; low 16 bits are defined by VM spec |
| 2009 | uint32_t access_flags_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 2010 | |
Jesse Wilson | 6bf1915 | 2011-09-29 13:12:33 -0400 | [diff] [blame] | 2011 | // Total size of the Class instance; used when allocating storage on gc heap. |
| 2012 | // See also object_size_. |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 2013 | size_t class_size_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 2014 | |
Elliott Hughes | 5f79133 | 2011-09-15 17:45:30 -0700 | [diff] [blame] | 2015 | // tid used to check for recursive <clinit> invocation |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 2016 | pid_t clinit_thread_id_; |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 2017 | |
Ian Rogers | d418eda | 2012-01-30 12:14:28 -0800 | [diff] [blame] | 2018 | // type index from dex file |
| 2019 | // TODO: really 16bits |
| 2020 | uint32_t dex_type_idx_; |
| 2021 | |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 2022 | // number of instance fields that are object refs |
| 2023 | size_t num_reference_instance_fields_; |
| 2024 | |
| 2025 | // number of static fields that are object refs |
| 2026 | size_t num_reference_static_fields_; |
| 2027 | |
| 2028 | // Total object size; used when allocating storage on gc heap. |
| 2029 | // (For interfaces and abstract classes this will be zero.) |
Jesse Wilson | 6bf1915 | 2011-09-29 13:12:33 -0400 | [diff] [blame] | 2030 | // See also class_size_. |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 2031 | size_t object_size_; |
| 2032 | |
Ian Rogers | d418eda | 2012-01-30 12:14:28 -0800 | [diff] [blame] | 2033 | // primitive type value, or Primitive::kPrimNot (0); set for generated prim classes |
Brian Carlstrom | 6b4ef02 | 2011-10-23 14:59:04 -0700 | [diff] [blame] | 2034 | Primitive::Type primitive_type_; |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 2035 | |
| 2036 | // Bitmap of offsets of ifields. |
| 2037 | uint32_t reference_instance_offsets_; |
| 2038 | |
| 2039 | // Bitmap of offsets of sfields. |
| 2040 | uint32_t reference_static_offsets_; |
| 2041 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 2042 | // state of class initialization |
| 2043 | Status status_; |
Jesse Wilson | 7833bd2 | 2011-08-09 18:31:44 -0400 | [diff] [blame] | 2044 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 2045 | // TODO: ? |
| 2046 | // initiating class loader list |
| 2047 | // NOTE: for classes with low serialNumber, these are unused, and the |
| 2048 | // values are kept in a table in gDvm. |
| 2049 | // InitiatingLoaderList initiating_loader_list_; |
| 2050 | |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 2051 | // Location of first static field. |
| 2052 | uint32_t fields_[0]; |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 2053 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 2054 | friend struct ClassOffsets; // for verifying offset information |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 2055 | DISALLOW_IMPLICIT_CONSTRUCTORS(Class); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 2056 | }; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2057 | |
Elliott Hughes | 1f359b0 | 2011-07-17 14:27:17 -0700 | [diff] [blame] | 2058 | std::ostream& operator<<(std::ostream& os, const Class::Status& rhs); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 2059 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2060 | inline void Object::SetClass(Class* new_klass) { |
| 2061 | // new_klass may be NULL prior to class linker initialization |
Mathieu Chartier | fd678be | 2012-08-30 14:50:54 -0700 | [diff] [blame] | 2062 | // We don't mark the card since the class is guaranteed to be referenced from another location. |
| 2063 | // Proxy classes are held live by the class loader, and other classes are roots of the class |
| 2064 | // linker. |
| 2065 | SetFieldPtr(OFFSET_OF_OBJECT_MEMBER(Object, klass_), new_klass, false, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2066 | } |
| 2067 | |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 2068 | inline bool Object::InstanceOf(const Class* klass) const { |
Jesse Wilson | 1415074 | 2011-07-29 19:04:44 -0400 | [diff] [blame] | 2069 | DCHECK(klass != NULL); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2070 | DCHECK(GetClass() != NULL); |
| 2071 | return klass->IsAssignableFrom(GetClass()); |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 2072 | } |
| 2073 | |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 2074 | inline bool Object::IsClass() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2075 | Class* java_lang_Class = GetClass()->GetClass(); |
| 2076 | return GetClass() == java_lang_Class; |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 2077 | } |
| 2078 | |
| 2079 | inline bool Object::IsObjectArray() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2080 | return IsArrayInstance() && !GetClass()->GetComponentType()->IsPrimitive(); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 2081 | } |
| 2082 | |
Brian Carlstrom | 34f426c | 2011-10-04 12:58:02 -0700 | [diff] [blame] | 2083 | template<class T> |
| 2084 | inline ObjectArray<T>* Object::AsObjectArray() { |
| 2085 | DCHECK(IsObjectArray()); |
| 2086 | return down_cast<ObjectArray<T>*>(this); |
| 2087 | } |
| 2088 | |
| 2089 | template<class T> |
| 2090 | inline const ObjectArray<T>* Object::AsObjectArray() const { |
| 2091 | DCHECK(IsObjectArray()); |
| 2092 | return down_cast<const ObjectArray<T>*>(this); |
| 2093 | } |
| 2094 | |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 2095 | inline bool Object::IsArrayInstance() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2096 | return GetClass()->IsArrayClass(); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 2097 | } |
| 2098 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 2099 | inline bool Object::IsField() const { |
| 2100 | Class* java_lang_Class = klass_->klass_; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2101 | Class* java_lang_reflect_Field = java_lang_Class->GetInstanceField(0)->GetClass(); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2102 | return GetClass() == java_lang_reflect_Field; |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 2103 | } |
| 2104 | |
| 2105 | inline bool Object::IsMethod() const { |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 2106 | Class* c = GetClass(); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2107 | return |
| 2108 | c == AbstractMethod::GetMethodClass() || |
| 2109 | c == AbstractMethod::GetConstructorClass(); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2110 | } |
| 2111 | |
| 2112 | inline bool Object::IsReferenceInstance() const { |
| 2113 | return GetClass()->IsReferenceClass(); |
| 2114 | } |
| 2115 | |
| 2116 | inline bool Object::IsWeakReferenceInstance() const { |
| 2117 | return GetClass()->IsWeakReferenceClass(); |
| 2118 | } |
| 2119 | |
| 2120 | inline bool Object::IsSoftReferenceInstance() const { |
| 2121 | return GetClass()->IsSoftReferenceClass(); |
| 2122 | } |
| 2123 | |
| 2124 | inline bool Object::IsFinalizerReferenceInstance() const { |
| 2125 | return GetClass()->IsFinalizerReferenceClass(); |
| 2126 | } |
| 2127 | |
| 2128 | inline bool Object::IsPhantomReferenceInstance() const { |
| 2129 | return GetClass()->IsPhantomReferenceClass(); |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 2130 | } |
| 2131 | |
Elliott Hughes | 04b63fd | 2011-08-16 09:40:10 -0700 | [diff] [blame] | 2132 | inline size_t Object::SizeOf() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2133 | size_t result; |
Brian Carlstrom | b63ec39 | 2011-08-27 17:38:27 -0700 | [diff] [blame] | 2134 | if (IsArrayInstance()) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2135 | result = AsArray()->SizeOf(); |
| 2136 | } else if (IsClass()) { |
| 2137 | result = AsClass()->SizeOf(); |
| 2138 | } else { |
| 2139 | result = GetClass()->GetObjectSize(); |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 2140 | } |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2141 | DCHECK(!IsField() || result == sizeof(Field)); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2142 | DCHECK(!IsMethod() || result == sizeof(AbstractMethod)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2143 | return result; |
| 2144 | } |
| 2145 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2146 | inline Class* Field::GetDeclaringClass() const { |
Elliott Hughes | 06b37d9 | 2011-10-16 11:51:29 -0700 | [diff] [blame] | 2147 | Class* result = GetFieldObject<Class*>(OFFSET_OF_OBJECT_MEMBER(Field, declaring_class_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2148 | DCHECK(result != NULL); |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 2149 | DCHECK(result->IsLoaded() || result->IsErroneous()); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2150 | return result; |
| 2151 | } |
| 2152 | |
| 2153 | inline void Field::SetDeclaringClass(Class *new_declaring_class) { |
Elliott Hughes | 06b37d9 | 2011-10-16 11:51:29 -0700 | [diff] [blame] | 2154 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Field, declaring_class_), new_declaring_class, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2155 | } |
| 2156 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2157 | inline Class* AbstractMethod::GetDeclaringClass() const { |
| 2158 | Class* result = GetFieldObject<Class*>(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, declaring_class_), false); |
Elliott Hughes | 7b3cdfc | 2011-12-08 21:28:17 -0800 | [diff] [blame] | 2159 | DCHECK(result != NULL) << this; |
| 2160 | DCHECK(result->IsIdxLoaded() || result->IsErroneous()) << this; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2161 | return result; |
| 2162 | } |
| 2163 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2164 | inline void AbstractMethod::SetDeclaringClass(Class *new_declaring_class) { |
| 2165 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, declaring_class_), new_declaring_class, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2166 | } |
| 2167 | |
Elliott Hughes | 04b63fd | 2011-08-16 09:40:10 -0700 | [diff] [blame] | 2168 | inline size_t Array::SizeOf() const { |
Elliott Hughes | b408de7 | 2011-10-04 14:35:05 -0700 | [diff] [blame] | 2169 | // This is safe from overflow because the array was already allocated, so we know it's sane. |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 2170 | size_t component_size = GetClass()->GetComponentSize(); |
| 2171 | int32_t component_count = GetLength(); |
| 2172 | size_t header_size = sizeof(Object) + (component_size == sizeof(int64_t) ? 8 : 4); |
| 2173 | size_t data_size = component_count * component_size; |
| 2174 | return header_size + data_size; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2175 | } |
| 2176 | |
| 2177 | template<class T> |
| 2178 | void ObjectArray<T>::Set(int32_t i, T* object) { |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 2179 | if (LIKELY(IsValidIndex(i))) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2180 | if (object != NULL) { |
| 2181 | Class* element_class = GetClass()->GetComponentType(); |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 2182 | if (UNLIKELY(!object->InstanceOf(element_class))) { |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 2183 | ThrowArrayStoreException(object); |
| 2184 | return; |
| 2185 | } |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2186 | } |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 2187 | MemberOffset data_offset(DataOffset(sizeof(Object*)).Int32Value() + i * sizeof(Object*)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2188 | SetFieldObject(data_offset, object, false); |
| 2189 | } |
| 2190 | } |
| 2191 | |
| 2192 | template<class T> |
| 2193 | void ObjectArray<T>::SetWithoutChecks(int32_t i, T* object) { |
| 2194 | DCHECK(IsValidIndex(i)); |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 2195 | MemberOffset data_offset(DataOffset(sizeof(Object*)).Int32Value() + i * sizeof(Object*)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2196 | SetFieldObject(data_offset, object, false); |
| 2197 | } |
| 2198 | |
| 2199 | template<class T> |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 2200 | T* ObjectArray<T>::GetWithoutChecks(int32_t i) const { |
| 2201 | DCHECK(IsValidIndex(i)); |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 2202 | MemberOffset data_offset(DataOffset(sizeof(Object*)).Int32Value() + i * sizeof(Object*)); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 2203 | return GetFieldObject<T*>(data_offset, false); |
| 2204 | } |
| 2205 | |
| 2206 | template<class T> |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2207 | void ObjectArray<T>::Copy(const ObjectArray<T>* src, int src_pos, |
| 2208 | ObjectArray<T>* dst, int dst_pos, |
| 2209 | size_t length) { |
| 2210 | if (src->IsValidIndex(src_pos) && |
| 2211 | src->IsValidIndex(src_pos+length-1) && |
| 2212 | dst->IsValidIndex(dst_pos) && |
| 2213 | dst->IsValidIndex(dst_pos+length-1)) { |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 2214 | MemberOffset src_offset(DataOffset(sizeof(Object*)).Int32Value() + src_pos * sizeof(Object*)); |
| 2215 | MemberOffset dst_offset(DataOffset(sizeof(Object*)).Int32Value() + dst_pos * sizeof(Object*)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2216 | Class* array_class = dst->GetClass(); |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 2217 | Heap* heap = Runtime::Current()->GetHeap(); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2218 | if (array_class == src->GetClass()) { |
| 2219 | // No need for array store checks if arrays are of the same type |
Elliott Hughes | 362f9bc | 2011-10-17 18:56:41 -0700 | [diff] [blame] | 2220 | for (size_t i = 0; i < length; i++) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2221 | Object* object = src->GetFieldObject<Object*>(src_offset, false); |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 2222 | heap->VerifyObject(object); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 2223 | // directly set field, we do a bulk write barrier at the end |
| 2224 | dst->SetField32(dst_offset, reinterpret_cast<uint32_t>(object), false, true); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2225 | src_offset = MemberOffset(src_offset.Uint32Value() + sizeof(Object*)); |
| 2226 | dst_offset = MemberOffset(dst_offset.Uint32Value() + sizeof(Object*)); |
| 2227 | } |
| 2228 | } else { |
| 2229 | Class* element_class = array_class->GetComponentType(); |
| 2230 | CHECK(!element_class->IsPrimitive()); |
Elliott Hughes | 362f9bc | 2011-10-17 18:56:41 -0700 | [diff] [blame] | 2231 | for (size_t i = 0; i < length; i++) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2232 | Object* object = src->GetFieldObject<Object*>(src_offset, false); |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 2233 | if (object != NULL && !object->InstanceOf(element_class)) { |
| 2234 | dst->ThrowArrayStoreException(object); |
| 2235 | return; |
| 2236 | } |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 2237 | heap->VerifyObject(object); |
Ian Rogers | 5d76c43 | 2011-10-31 21:42:49 -0700 | [diff] [blame] | 2238 | // directly set field, we do a bulk write barrier at the end |
| 2239 | dst->SetField32(dst_offset, reinterpret_cast<uint32_t>(object), false, true); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2240 | src_offset = MemberOffset(src_offset.Uint32Value() + sizeof(Object*)); |
| 2241 | dst_offset = MemberOffset(dst_offset.Uint32Value() + sizeof(Object*)); |
| 2242 | } |
| 2243 | } |
Elliott Hughes | b3bd5f0 | 2012-03-08 21:05:27 -0800 | [diff] [blame] | 2244 | heap->WriteBarrierArray(dst, dst_pos, length); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2245 | } |
Brian Carlstrom | db4d540 | 2011-08-09 12:18:28 -0700 | [diff] [blame] | 2246 | } |
Brian Carlstrom | f7ed11a | 2011-08-09 17:55:51 -0700 | [diff] [blame] | 2247 | |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 2248 | class MANAGED ClassClass : public Class { |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 2249 | private: |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 2250 | int32_t padding_; |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 2251 | int64_t serialVersionUID_; |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 2252 | friend struct ClassClassOffsets; // for verifying offset information |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 2253 | DISALLOW_IMPLICIT_CONSTRUCTORS(ClassClass); |
| 2254 | }; |
| 2255 | |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 2256 | class MANAGED StringClass : public Class { |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 2257 | private: |
| 2258 | CharArray* ASCII_; |
| 2259 | Object* CASE_INSENSITIVE_ORDER_; |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 2260 | uint32_t REPLACEMENT_CHAR_; |
Brian Carlstrom | 5b8e4c8 | 2011-09-18 01:38:59 -0700 | [diff] [blame] | 2261 | int64_t serialVersionUID_; |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 2262 | friend struct StringClassOffsets; // for verifying offset information |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 2263 | DISALLOW_IMPLICIT_CONSTRUCTORS(StringClass); |
| 2264 | }; |
| 2265 | |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 2266 | class MANAGED FieldClass : public Class { |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 2267 | private: |
| 2268 | Object* ORDER_BY_NAME_AND_DECLARING_CLASS_; |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 2269 | friend struct FieldClassOffsets; // for verifying offset information |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 2270 | DISALLOW_IMPLICIT_CONSTRUCTORS(FieldClass); |
| 2271 | }; |
| 2272 | |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 2273 | class MANAGED MethodClass : public Class { |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 2274 | private: |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 2275 | Object* ORDER_BY_SIGNATURE_; |
| 2276 | friend struct MethodClassOffsets; // for verifying offset information |
Brian Carlstrom | 4873d46 | 2011-08-21 15:23:39 -0700 | [diff] [blame] | 2277 | DISALLOW_IMPLICIT_CONSTRUCTORS(MethodClass); |
| 2278 | }; |
| 2279 | |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 2280 | template<class T> |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 2281 | class MANAGED PrimitiveArray : public Array { |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 2282 | public: |
Elliott Hughes | 710a0cb | 2011-08-16 14:32:37 -0700 | [diff] [blame] | 2283 | typedef T ElementType; |
| 2284 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2285 | static PrimitiveArray<T>* Alloc(size_t length) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2286 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 2287 | |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 2288 | const T* GetData() const { |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 2289 | intptr_t data = reinterpret_cast<intptr_t>(this) + DataOffset(sizeof(T)).Int32Value(); |
| 2290 | return reinterpret_cast<T*>(data); |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 2291 | } |
| 2292 | |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 2293 | T* GetData() { |
Ian Rogers | a15e67d | 2012-02-28 13:51:55 -0800 | [diff] [blame] | 2294 | intptr_t data = reinterpret_cast<intptr_t>(this) + DataOffset(sizeof(T)).Int32Value(); |
| 2295 | return reinterpret_cast<T*>(data); |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 2296 | } |
| 2297 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2298 | T Get(int32_t i) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 2299 | if (!IsValidIndex(i)) { |
Elliott Hughes | 710a0cb | 2011-08-16 14:32:37 -0700 | [diff] [blame] | 2300 | return T(0); |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 2301 | } |
Jesse Wilson | fd687c5 | 2011-08-04 19:27:35 -0700 | [diff] [blame] | 2302 | return GetData()[i]; |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 2303 | } |
| 2304 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2305 | void Set(int32_t i, T value) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 2306 | // TODO: ArrayStoreException |
| 2307 | if (IsValidIndex(i)) { |
| 2308 | GetData()[i] = value; |
| 2309 | } |
Brian Carlstrom | 0b138b2 | 2011-07-27 15:19:17 -0700 | [diff] [blame] | 2310 | } |
| 2311 | |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 2312 | static void SetArrayClass(Class* array_class) { |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 2313 | CHECK(array_class_ == NULL); |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 2314 | CHECK(array_class != NULL); |
| 2315 | array_class_ = array_class; |
| 2316 | } |
| 2317 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 2318 | static void ResetArrayClass() { |
| 2319 | CHECK(array_class_ != NULL); |
| 2320 | array_class_ = NULL; |
| 2321 | } |
| 2322 | |
Brian Carlstrom | a7f4f48 | 2011-07-17 17:01:34 -0700 | [diff] [blame] | 2323 | private: |
Elliott Hughes | d8ddfd5 | 2011-08-15 14:32:53 -0700 | [diff] [blame] | 2324 | static Class* array_class_; |
| 2325 | |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 2326 | DISALLOW_IMPLICIT_CONSTRUCTORS(PrimitiveArray); |
Brian Carlstrom | a7f4f48 | 2011-07-17 17:01:34 -0700 | [diff] [blame] | 2327 | }; |
Carl Shapiro | 5fafe2b | 2011-07-09 15:34:41 -0700 | [diff] [blame] | 2328 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2329 | // C++ mirror of java.lang.String |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 2330 | class MANAGED String : public Object { |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 2331 | public: |
buzbee | fc9e6fa | 2012-03-23 15:14:29 -0700 | [diff] [blame] | 2332 | static MemberOffset CountOffset() { |
| 2333 | return OFFSET_OF_OBJECT_MEMBER(String, count_); |
| 2334 | } |
| 2335 | |
| 2336 | static MemberOffset ValueOffset() { |
| 2337 | return OFFSET_OF_OBJECT_MEMBER(String, array_); |
| 2338 | } |
| 2339 | |
| 2340 | static MemberOffset OffsetOffset() { |
| 2341 | return OFFSET_OF_OBJECT_MEMBER(String, offset_); |
| 2342 | } |
| 2343 | |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 2344 | const CharArray* GetCharArray() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2345 | const CharArray* result = GetFieldObject<const CharArray*>( |
buzbee | fc9e6fa | 2012-03-23 15:14:29 -0700 | [diff] [blame] | 2346 | ValueOffset(), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2347 | DCHECK(result != NULL); |
| 2348 | return result; |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 2349 | } |
| 2350 | |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 2351 | int32_t GetOffset() const { |
buzbee | fc9e6fa | 2012-03-23 15:14:29 -0700 | [diff] [blame] | 2352 | int32_t result = GetField32(OffsetOffset(), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2353 | DCHECK_LE(0, result); |
| 2354 | return result; |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 2355 | } |
| 2356 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2357 | int32_t GetLength() const; |
| 2358 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2359 | int32_t GetHashCode() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2360 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2361 | void ComputeHashCode() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2362 | SetHashCode(ComputeUtf16Hash(GetCharArray(), GetOffset(), GetLength())); |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 2363 | } |
| 2364 | |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 2365 | int32_t GetUtfLength() const { |
jeffhao | 0ce1315 | 2012-03-27 19:45:50 -0700 | [diff] [blame] | 2366 | return CountUtf8Bytes(GetCharArray()->GetData() + GetOffset(), GetLength()); |
Elliott Hughes | 814e403 | 2011-08-23 12:07:56 -0700 | [diff] [blame] | 2367 | } |
| 2368 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2369 | uint16_t CharAt(int32_t index) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2370 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2371 | String* Intern() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 2372 | |
Brian Carlstrom | 7e93b50 | 2011-08-04 14:16:22 -0700 | [diff] [blame] | 2373 | static String* AllocFromUtf16(int32_t utf16_length, |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 2374 | const uint16_t* utf16_data_in, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2375 | int32_t hash_code = 0) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2376 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | a40f9bc | 2011-07-26 21:26:07 -0700 | [diff] [blame] | 2377 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2378 | static String* AllocFromModifiedUtf8(const char* utf) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2379 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 2380 | |
Jesse Wilson | 8989d99 | 2011-08-02 13:39:42 -0700 | [diff] [blame] | 2381 | static String* AllocFromModifiedUtf8(int32_t utf16_length, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2382 | const char* utf8_data_in) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2383 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2384 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2385 | static String* Alloc(Class* java_lang_String, int32_t utf16_length) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2386 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2387 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2388 | static String* Alloc(Class* java_lang_String, CharArray* array) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2389 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2390 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2391 | bool Equals(const char* modified_utf8) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2392 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2393 | |
| 2394 | // TODO: do we need this overload? give it a more intention-revealing name. |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2395 | bool Equals(const StringPiece& modified_utf8) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2396 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2397 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2398 | bool Equals(const String* that) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2399 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 2400 | // Compare UTF-16 code point values not in a locale-sensitive manner |
| 2401 | int Compare(int32_t utf16_length, const char* utf8_data_in); |
| 2402 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2403 | // TODO: do we need this overload? give it a more intention-revealing name. |
| 2404 | bool Equals(const uint16_t* that_chars, int32_t that_offset, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2405 | int32_t that_length) const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2406 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2407 | |
| 2408 | // Create a modified UTF-8 encoded std::string from a java/lang/String object. |
| 2409 | std::string ToModifiedUtf8() const; |
| 2410 | |
| 2411 | static Class* GetJavaLangString() { |
| 2412 | DCHECK(java_lang_String_ != NULL); |
| 2413 | return java_lang_String_; |
Jesse Wilson | 8989d99 | 2011-08-02 13:39:42 -0700 | [diff] [blame] | 2414 | } |
| 2415 | |
Brian Carlstrom | a663ea5 | 2011-08-19 23:33:41 -0700 | [diff] [blame] | 2416 | static void SetClass(Class* java_lang_String); |
| 2417 | static void ResetClass(); |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 2418 | |
Brian Carlstrom | a7f4f48 | 2011-07-17 17:01:34 -0700 | [diff] [blame] | 2419 | private: |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2420 | void SetHashCode(int32_t new_hash_code) { |
| 2421 | DCHECK_EQ(0u, |
| 2422 | GetField32(OFFSET_OF_OBJECT_MEMBER(String, hash_code_), false)); |
| 2423 | SetField32(OFFSET_OF_OBJECT_MEMBER(String, hash_code_), |
| 2424 | new_hash_code, false); |
| 2425 | } |
| 2426 | |
| 2427 | void SetCount(int32_t new_count) { |
| 2428 | DCHECK_LE(0, new_count); |
| 2429 | SetField32(OFFSET_OF_OBJECT_MEMBER(String, count_), new_count, false); |
| 2430 | } |
| 2431 | |
| 2432 | void SetOffset(int32_t new_offset) { |
| 2433 | DCHECK_LE(0, new_offset); |
| 2434 | DCHECK_GE(GetLength(), new_offset); |
| 2435 | SetField32(OFFSET_OF_OBJECT_MEMBER(String, offset_), new_offset, false); |
| 2436 | } |
| 2437 | |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 2438 | void SetArray(CharArray* new_array) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2439 | DCHECK(new_array != NULL); |
| 2440 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(String, array_), new_array, false); |
| 2441 | } |
| 2442 | |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 2443 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| 2444 | CharArray* array_; |
| 2445 | |
Brian Carlstrom | dbc0525 | 2011-09-09 01:59:59 -0700 | [diff] [blame] | 2446 | int32_t count_; |
| 2447 | |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 2448 | uint32_t hash_code_; |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 2449 | |
Elliott Hughes | 289da82 | 2011-08-16 10:11:20 -0700 | [diff] [blame] | 2450 | int32_t offset_; |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 2451 | |
Jesse Wilson | f7e85a5 | 2011-08-01 18:45:58 -0700 | [diff] [blame] | 2452 | static Class* java_lang_String_; |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 2453 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 2454 | friend struct StringOffsets; // for verifying offset information |
jeffhao | 0ce1315 | 2012-03-27 19:45:50 -0700 | [diff] [blame] | 2455 | FRIEND_TEST(ObjectTest, StringLength); // for SetOffset and SetCount |
Carl Shapiro | 8860c0e | 2011-08-04 17:36:16 -0700 | [diff] [blame] | 2456 | DISALLOW_IMPLICIT_CONSTRUCTORS(String); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 2457 | }; |
| 2458 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2459 | // TODO: remove? only used in a unit test of itself. |
Jesse Wilson | c4824e6 | 2011-11-01 14:39:04 -0400 | [diff] [blame] | 2460 | struct StringHashCode { |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 2461 | int32_t operator()(String* string) const { |
Jesse Wilson | c4824e6 | 2011-11-01 14:39:04 -0400 | [diff] [blame] | 2462 | return string->GetHashCode(); |
| 2463 | } |
| 2464 | }; |
| 2465 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2466 | inline uint32_t Field::GetAccessFlags() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 2467 | DCHECK(GetDeclaringClass()->IsLoaded() || GetDeclaringClass()->IsErroneous()); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2468 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Field, access_flags_), false); |
| 2469 | } |
| 2470 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2471 | inline MemberOffset Field::GetOffset() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 2472 | DCHECK(GetDeclaringClass()->IsResolved() || GetDeclaringClass()->IsErroneous()); |
Elliott Hughes | 362f9bc | 2011-10-17 18:56:41 -0700 | [diff] [blame] | 2473 | return MemberOffset(GetField32(OFFSET_OF_OBJECT_MEMBER(Field, offset_), false)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2474 | } |
| 2475 | |
| 2476 | inline MemberOffset Field::GetOffsetDuringLinking() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 2477 | DCHECK(GetDeclaringClass()->IsLoaded() || GetDeclaringClass()->IsErroneous()); |
Elliott Hughes | 362f9bc | 2011-10-17 18:56:41 -0700 | [diff] [blame] | 2478 | return MemberOffset(GetField32(OFFSET_OF_OBJECT_MEMBER(Field, offset_), false)); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2479 | } |
| 2480 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2481 | inline uint32_t Class::GetAccessFlags() const { |
| 2482 | // Check class is loaded or this is java.lang.String that has a |
| 2483 | // circularity issue during loading the names of its members |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 2484 | DCHECK(IsLoaded() || IsErroneous() || |
Elliott Hughes | 8060925 | 2011-09-23 17:24:51 -0700 | [diff] [blame] | 2485 | this == String::GetJavaLangString() || |
| 2486 | this == Field::GetJavaLangReflectField() || |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2487 | this == AbstractMethod::GetConstructorClass() || |
| 2488 | this == AbstractMethod::GetMethodClass()); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2489 | return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, access_flags_), false); |
| 2490 | } |
| 2491 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2492 | inline uint32_t AbstractMethod::GetAccessFlags() const { |
Brian Carlstrom | 65ca077 | 2011-09-24 16:03:08 -0700 | [diff] [blame] | 2493 | DCHECK(GetDeclaringClass()->IsIdxLoaded() || GetDeclaringClass()->IsErroneous()); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2494 | return GetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, access_flags_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2495 | } |
| 2496 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2497 | inline uint16_t AbstractMethod::GetMethodIndex() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 2498 | DCHECK(GetDeclaringClass()->IsResolved() || GetDeclaringClass()->IsErroneous()); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2499 | return GetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, method_index_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2500 | } |
| 2501 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2502 | inline uint32_t AbstractMethod::GetDexMethodIndex() const { |
Brian Carlstrom | 27ec961 | 2011-09-19 20:20:38 -0700 | [diff] [blame] | 2503 | DCHECK(GetDeclaringClass()->IsLoaded() || GetDeclaringClass()->IsErroneous()); |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2504 | return GetField32(OFFSET_OF_OBJECT_MEMBER(AbstractMethod, method_dex_index_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2505 | } |
| 2506 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2507 | inline bool AbstractMethod::CheckIncompatibleClassChange(InvokeType type) { |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 2508 | switch (type) { |
| 2509 | case kStatic: |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 2510 | return !IsStatic(); |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 2511 | case kDirect: |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 2512 | return !IsDirect() || IsStatic(); |
| 2513 | case kVirtual: { |
| 2514 | Class* methods_class = GetDeclaringClass(); |
| 2515 | return IsDirect() || (methods_class->IsInterface() && !IsMiranda()); |
| 2516 | } |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 2517 | case kSuper: |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 2518 | return false; // TODO: appropriate checks for call to super class. |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 2519 | case kInterface: { |
| 2520 | Class* methods_class = GetDeclaringClass(); |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 2521 | return IsDirect() || !(methods_class->IsInterface() || methods_class->IsObjectClass()); |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 2522 | } |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 2523 | default: |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2524 | LOG(FATAL) << "Unreachable - invocation type: " << type; |
Ian Rogers | 87e552d | 2012-08-31 15:54:48 -0700 | [diff] [blame] | 2525 | return true; |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 2526 | } |
Ian Rogers | 08f753d | 2012-08-24 14:35:25 -0700 | [diff] [blame] | 2527 | } |
| 2528 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2529 | inline void AbstractMethod::AssertPcIsWithinCode(uintptr_t pc) const { |
Elliott Hughes | 67d9200 | 2012-03-26 15:08:51 -0700 | [diff] [blame] | 2530 | if (!kIsDebugBuild) { |
| 2531 | return; |
| 2532 | } |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 2533 | if (IsNative() || IsRuntimeMethod() || IsProxyMethod()) { |
| 2534 | return; |
| 2535 | } |
| 2536 | Runtime* runtime = Runtime::Current(); |
| 2537 | if (GetCode() == runtime->GetResolutionStubArray(Runtime::kStaticMethod)->GetData()) { |
| 2538 | return; |
| 2539 | } |
| 2540 | DCHECK(IsWithinCode(pc)) |
| 2541 | << PrettyMethod(this) |
| 2542 | << " pc=" << std::hex << pc |
| 2543 | << " code=" << GetCode() |
| 2544 | << " size=" << GetCodeSize(); |
Brian Carlstrom | f8bbb84 | 2012-03-14 03:01:42 -0700 | [diff] [blame] | 2545 | } |
| 2546 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 2547 | inline String* Class::GetName() const { |
| 2548 | return GetFieldObject<String*>(OFFSET_OF_OBJECT_MEMBER(Class, name_), false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2549 | } |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 2550 | inline void Class::SetName(String* name) { |
| 2551 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, name_), name, false); |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2552 | } |
| 2553 | |
| 2554 | // C++ mirror of java.lang.Throwable |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 2555 | class MANAGED Throwable : public Object { |
Brian Carlstrom | 69b15fb | 2011-09-03 12:25:21 -0700 | [diff] [blame] | 2556 | public: |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 2557 | void SetDetailMessage(String* new_detail_message) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 2558 | SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Throwable, detail_message_), new_detail_message, false); |
Brian Carlstrom | 69b15fb | 2011-09-03 12:25:21 -0700 | [diff] [blame] | 2559 | } |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame] | 2560 | String* GetDetailMessage() const { |
| 2561 | return GetFieldObject<String*>(OFFSET_OF_OBJECT_MEMBER(Throwable, detail_message_), false); |
| 2562 | } |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2563 | std::string Dump() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | 69b15fb | 2011-09-03 12:25:21 -0700 | [diff] [blame] | 2564 | |
Ian Rogers | 1c5eb70 | 2012-02-01 09:18:34 -0800 | [diff] [blame] | 2565 | // This is a runtime version of initCause, you shouldn't use it if initCause may have been |
| 2566 | // overridden. Also it asserts rather than throwing exceptions. Currently this is only used |
| 2567 | // in cases like the verifier where the checks cannot fail and initCause isn't overridden. |
Ian Rogers | 23435d0 | 2012-09-24 11:23:12 -0700 | [diff] [blame] | 2568 | void SetCause(Throwable* cause) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2569 | bool IsCheckedException() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 5167c97 | 2012-02-03 10:41:20 -0800 | [diff] [blame] | 2570 | |
| 2571 | static Class* GetJavaLangThrowable() { |
| 2572 | DCHECK(java_lang_Throwable_ != NULL); |
| 2573 | return java_lang_Throwable_; |
| 2574 | } |
| 2575 | |
| 2576 | static void SetClass(Class* java_lang_Throwable); |
| 2577 | static void ResetClass(); |
| 2578 | |
Elliott Hughes | e5b0dc8 | 2011-08-23 09:59:02 -0700 | [diff] [blame] | 2579 | private: |
Ian Rogers | 9074b99 | 2011-10-26 17:41:55 -0700 | [diff] [blame] | 2580 | Object* GetStackState() const { |
| 2581 | return GetFieldObject<Object*>(OFFSET_OF_OBJECT_MEMBER(Throwable, stack_state_), true); |
| 2582 | } |
| 2583 | |
Elliott Hughes | e5b0dc8 | 2011-08-23 09:59:02 -0700 | [diff] [blame] | 2584 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
| 2585 | Throwable* cause_; |
| 2586 | String* detail_message_; |
| 2587 | Object* stack_state_; // Note this is Java volatile: |
| 2588 | Object* stack_trace_; |
| 2589 | Object* suppressed_exceptions_; |
| 2590 | |
Ian Rogers | 5167c97 | 2012-02-03 10:41:20 -0800 | [diff] [blame] | 2591 | static Class* java_lang_Throwable_; |
| 2592 | |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 2593 | friend struct ThrowableOffsets; // for verifying offset information |
Elliott Hughes | e5b0dc8 | 2011-08-23 09:59:02 -0700 | [diff] [blame] | 2594 | DISALLOW_IMPLICIT_CONSTRUCTORS(Throwable); |
| 2595 | }; |
| 2596 | |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2597 | // C++ mirror of java.lang.StackTraceElement |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 2598 | class MANAGED StackTraceElement : public Object { |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 2599 | public: |
| 2600 | const String* GetDeclaringClass() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2601 | return GetFieldObject<const String*>( |
| 2602 | OFFSET_OF_OBJECT_MEMBER(StackTraceElement, declaring_class_), false); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 2603 | } |
| 2604 | |
| 2605 | const String* GetMethodName() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2606 | return GetFieldObject<const String*>( |
| 2607 | OFFSET_OF_OBJECT_MEMBER(StackTraceElement, method_name_), false); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 2608 | } |
| 2609 | |
| 2610 | const String* GetFileName() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2611 | return GetFieldObject<const String*>( |
| 2612 | OFFSET_OF_OBJECT_MEMBER(StackTraceElement, file_name_), false); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 2613 | } |
| 2614 | |
Shih-wei Liao | ff0f9be | 2011-08-29 15:43:53 -0700 | [diff] [blame] | 2615 | int32_t GetLineNumber() const { |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2616 | return GetField32( |
| 2617 | OFFSET_OF_OBJECT_MEMBER(StackTraceElement, line_number_), false); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 2618 | } |
| 2619 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 2620 | static StackTraceElement* Alloc(String* declaring_class, |
| 2621 | String* method_name, |
| 2622 | String* file_name, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 2623 | int32_t line_number) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2624 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 2625 | |
| 2626 | static void SetClass(Class* java_lang_StackTraceElement); |
| 2627 | |
| 2628 | static void ResetClass(); |
| 2629 | |
| 2630 | private: |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2631 | // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses". |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 2632 | String* declaring_class_; |
| 2633 | String* file_name_; |
| 2634 | String* method_name_; |
Shih-wei Liao | ff0f9be | 2011-08-29 15:43:53 -0700 | [diff] [blame] | 2635 | int32_t line_number_; |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 2636 | |
| 2637 | static Class* GetStackTraceElement() { |
| 2638 | DCHECK(java_lang_StackTraceElement_ != NULL); |
| 2639 | return java_lang_StackTraceElement_; |
| 2640 | } |
| 2641 | |
| 2642 | static Class* java_lang_StackTraceElement_; |
Brian Carlstrom | 693267a | 2011-09-06 09:25:34 -0700 | [diff] [blame] | 2643 | |
| 2644 | friend struct StackTraceElementOffsets; // for verifying offset information |
Shih-wei Liao | 55df06b | 2011-08-26 14:39:27 -0700 | [diff] [blame] | 2645 | DISALLOW_IMPLICIT_CONSTRUCTORS(StackTraceElement); |
| 2646 | }; |
| 2647 | |
Brian Carlstrom | e4f7e1d | 2011-09-11 13:21:12 -0700 | [diff] [blame] | 2648 | class MANAGED InterfaceEntry : public ObjectArray<Object> { |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 2649 | public: |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2650 | Class* GetInterface() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 2651 | Class* interface = Get(kInterface)->AsClass(); |
| 2652 | DCHECK(interface != NULL); |
| 2653 | return interface; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 2654 | } |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 2655 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2656 | void SetInterface(Class* interface) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 2657 | DCHECK(interface != NULL); |
Brian Carlstrom | 30b9445 | 2011-08-25 21:35:26 -0700 | [diff] [blame] | 2658 | DCHECK(interface->IsInterface()); |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 2659 | DCHECK(Get(kInterface) == NULL); |
| 2660 | Set(kInterface, interface); |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 2661 | } |
Carl Shapiro | 3ee755d | 2011-06-28 12:11:04 -0700 | [diff] [blame] | 2662 | |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2663 | size_t GetMethodArrayCount() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2664 | ObjectArray<AbstractMethod>* method_array = down_cast<ObjectArray<AbstractMethod>*>(Get(kMethodArray)); |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 2665 | if (method_array == NULL) { |
Brian Carlstrom | 8692721 | 2011-09-15 11:31:11 -0700 | [diff] [blame] | 2666 | return 0; |
| 2667 | } |
| 2668 | return method_array->GetLength(); |
| 2669 | } |
| 2670 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2671 | ObjectArray<AbstractMethod>* GetMethodArray() const |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2672 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2673 | ObjectArray<AbstractMethod>* method_array = down_cast<ObjectArray<AbstractMethod>*>(Get(kMethodArray)); |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 2674 | DCHECK(method_array != NULL); |
| 2675 | return method_array; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2676 | } |
| 2677 | |
Mathieu Chartier | 66f1925 | 2012-09-18 08:57:04 -0700 | [diff] [blame] | 2678 | void SetMethodArray(ObjectArray<AbstractMethod>* new_ma) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 2679 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 2680 | DCHECK(new_ma != NULL); |
| 2681 | DCHECK(Get(kMethodArray) == NULL); |
| 2682 | Set(kMethodArray, new_ma); |
| 2683 | } |
| 2684 | |
| 2685 | static size_t LengthAsArray() { |
| 2686 | return kMax; |
Ian Rogers | 0cfe1fb | 2011-08-26 03:29:44 -0700 | [diff] [blame] | 2687 | } |
| 2688 | |
Carl Shapiro | 0e5d75d | 2011-07-06 18:28:37 -0700 | [diff] [blame] | 2689 | private: |
Elliott Hughes | 4825756 | 2012-06-06 17:42:44 -0700 | [diff] [blame] | 2690 | enum { |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 2691 | // Points to the interface class. |
| 2692 | kInterface = 0, |
| 2693 | // Method pointers into the vtable, allow fast map from interface |
| 2694 | // method index to concrete instance method. |
| 2695 | kMethodArray = 1, |
| 2696 | kMax = 2, |
| 2697 | }; |
Carl Shapiro | f88c952 | 2011-08-06 15:47:38 -0700 | [diff] [blame] | 2698 | |
Brian Carlstrom | 4b620ff | 2011-09-11 01:11:01 -0700 | [diff] [blame] | 2699 | DISALLOW_IMPLICIT_CONSTRUCTORS(InterfaceEntry); |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 2700 | }; |
| 2701 | |
Ian Rogers | c2b4447 | 2011-12-14 21:17:17 -0800 | [diff] [blame] | 2702 | class MANAGED SynthesizedProxyClass : public Class { |
| 2703 | public: |
Elliott Hughes | 2ed52c4 | 2012-03-21 16:56:56 -0700 | [diff] [blame] | 2704 | ObjectArray<Class>* GetInterfaces() { |
| 2705 | return interfaces_; |
| 2706 | } |
| 2707 | |
Ian Rogers | c2b4447 | 2011-12-14 21:17:17 -0800 | [diff] [blame] | 2708 | ObjectArray<ObjectArray<Class> >* GetThrows() { |
| 2709 | return throws_; |
| 2710 | } |
Elliott Hughes | 2ed52c4 | 2012-03-21 16:56:56 -0700 | [diff] [blame] | 2711 | |
Jesse Wilson | 95caa79 | 2011-10-12 18:14:17 -0400 | [diff] [blame] | 2712 | private: |
Elliott Hughes | 2ed52c4 | 2012-03-21 16:56:56 -0700 | [diff] [blame] | 2713 | ObjectArray<Class>* interfaces_; |
Ian Rogers | c2b4447 | 2011-12-14 21:17:17 -0800 | [diff] [blame] | 2714 | ObjectArray<ObjectArray<Class> >* throws_; |
| 2715 | DISALLOW_IMPLICIT_CONSTRUCTORS(SynthesizedProxyClass); |
Jesse Wilson | 95caa79 | 2011-10-12 18:14:17 -0400 | [diff] [blame] | 2716 | }; |
| 2717 | |
| 2718 | class MANAGED Proxy : public Object { |
| 2719 | private: |
| 2720 | Object* h_; |
| 2721 | |
| 2722 | friend struct ProxyOffsets; // for verifying offset information |
| 2723 | DISALLOW_IMPLICIT_CONSTRUCTORS(Proxy); |
| 2724 | }; |
| 2725 | |
Carl Shapiro | 1fb8620 | 2011-06-27 17:43:13 -0700 | [diff] [blame] | 2726 | } // namespace art |
| 2727 | |
| 2728 | #endif // ART_SRC_OBJECT_H_ |