Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "interpreter_common.h" |
Ian Rogers | 22d5e73 | 2014-07-15 22:23:51 -0700 | [diff] [blame] | 18 | |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 19 | #include <cmath> |
| 20 | |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 21 | #include "mirror/array-inl.h" |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 22 | |
| 23 | namespace art { |
| 24 | namespace interpreter { |
| 25 | |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 26 | void ThrowNullPointerExceptionFromInterpreter(const ShadowFrame& shadow_frame) { |
| 27 | ThrowNullPointerExceptionFromDexPC(shadow_frame.GetCurrentLocationForThrow()); |
| 28 | } |
| 29 | |
| 30 | template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check> |
| 31 | bool DoFieldGet(Thread* self, ShadowFrame& shadow_frame, const Instruction* inst, |
| 32 | uint16_t inst_data) { |
| 33 | const bool is_static = (find_type == StaticObjectRead) || (find_type == StaticPrimitiveRead); |
| 34 | const uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c(); |
| 35 | ArtField* f = FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self, |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 36 | Primitive::ComponentSize(field_type)); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 37 | if (UNLIKELY(f == nullptr)) { |
| 38 | CHECK(self->IsExceptionPending()); |
| 39 | return false; |
| 40 | } |
| 41 | Object* obj; |
| 42 | if (is_static) { |
| 43 | obj = f->GetDeclaringClass(); |
| 44 | } else { |
| 45 | obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); |
| 46 | if (UNLIKELY(obj == nullptr)) { |
| 47 | ThrowNullPointerExceptionForFieldAccess(shadow_frame.GetCurrentLocationForThrow(), f, true); |
| 48 | return false; |
| 49 | } |
| 50 | } |
Sebastien Hertz | 1edbd8e | 2014-07-16 20:00:11 +0200 | [diff] [blame] | 51 | f->GetDeclaringClass()->AssertInitializedOrInitializingInThread(self); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 52 | // Report this field access to instrumentation if needed. |
| 53 | instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); |
| 54 | if (UNLIKELY(instrumentation->HasFieldReadListeners())) { |
| 55 | Object* this_object = f->IsStatic() ? nullptr : obj; |
| 56 | instrumentation->FieldReadEvent(self, this_object, shadow_frame.GetMethod(), |
| 57 | shadow_frame.GetDexPC(), f); |
| 58 | } |
| 59 | uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data); |
| 60 | switch (field_type) { |
| 61 | case Primitive::kPrimBoolean: |
| 62 | shadow_frame.SetVReg(vregA, f->GetBoolean(obj)); |
| 63 | break; |
| 64 | case Primitive::kPrimByte: |
| 65 | shadow_frame.SetVReg(vregA, f->GetByte(obj)); |
| 66 | break; |
| 67 | case Primitive::kPrimChar: |
| 68 | shadow_frame.SetVReg(vregA, f->GetChar(obj)); |
| 69 | break; |
| 70 | case Primitive::kPrimShort: |
| 71 | shadow_frame.SetVReg(vregA, f->GetShort(obj)); |
| 72 | break; |
| 73 | case Primitive::kPrimInt: |
| 74 | shadow_frame.SetVReg(vregA, f->GetInt(obj)); |
| 75 | break; |
| 76 | case Primitive::kPrimLong: |
| 77 | shadow_frame.SetVRegLong(vregA, f->GetLong(obj)); |
| 78 | break; |
| 79 | case Primitive::kPrimNot: |
| 80 | shadow_frame.SetVRegReference(vregA, f->GetObject(obj)); |
| 81 | break; |
| 82 | default: |
| 83 | LOG(FATAL) << "Unreachable: " << field_type; |
Ian Rogers | 2c4257b | 2014-10-24 14:20:06 -0700 | [diff] [blame] | 84 | UNREACHABLE(); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 85 | } |
| 86 | return true; |
| 87 | } |
| 88 | |
| 89 | // Explicitly instantiate all DoFieldGet functions. |
| 90 | #define EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, _do_check) \ |
| 91 | template bool DoFieldGet<_find_type, _field_type, _do_check>(Thread* self, \ |
| 92 | ShadowFrame& shadow_frame, \ |
| 93 | const Instruction* inst, \ |
| 94 | uint16_t inst_data) |
| 95 | |
| 96 | #define EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(_find_type, _field_type) \ |
| 97 | EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, false); \ |
| 98 | EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, true); |
| 99 | |
| 100 | // iget-XXX |
Andreas Gampe | c8ccf68 | 2014-09-29 20:07:43 -0700 | [diff] [blame] | 101 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimBoolean) |
| 102 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimByte) |
| 103 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimChar) |
| 104 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimShort) |
| 105 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimInt) |
| 106 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimLong) |
| 107 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstanceObjectRead, Primitive::kPrimNot) |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 108 | |
| 109 | // sget-XXX |
Andreas Gampe | c8ccf68 | 2014-09-29 20:07:43 -0700 | [diff] [blame] | 110 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimBoolean) |
| 111 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimByte) |
| 112 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimChar) |
| 113 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimShort) |
| 114 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimInt) |
| 115 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimLong) |
| 116 | EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticObjectRead, Primitive::kPrimNot) |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 117 | |
| 118 | #undef EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL |
| 119 | #undef EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL |
| 120 | |
| 121 | // Handles iget-quick, iget-wide-quick and iget-object-quick instructions. |
| 122 | // Returns true on success, otherwise throws an exception and returns false. |
| 123 | template<Primitive::Type field_type> |
| 124 | bool DoIGetQuick(ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) { |
| 125 | Object* obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); |
| 126 | if (UNLIKELY(obj == nullptr)) { |
| 127 | // We lost the reference to the field index so we cannot get a more |
| 128 | // precised exception message. |
| 129 | ThrowNullPointerExceptionFromDexPC(shadow_frame.GetCurrentLocationForThrow()); |
| 130 | return false; |
| 131 | } |
| 132 | MemberOffset field_offset(inst->VRegC_22c()); |
| 133 | // Report this field access to instrumentation if needed. Since we only have the offset of |
| 134 | // the field from the base of the object, we need to look for it first. |
| 135 | instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); |
| 136 | if (UNLIKELY(instrumentation->HasFieldReadListeners())) { |
| 137 | ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(), |
| 138 | field_offset.Uint32Value()); |
| 139 | DCHECK(f != nullptr); |
| 140 | DCHECK(!f->IsStatic()); |
| 141 | instrumentation->FieldReadEvent(Thread::Current(), obj, shadow_frame.GetMethod(), |
| 142 | shadow_frame.GetDexPC(), f); |
| 143 | } |
| 144 | // Note: iget-x-quick instructions are only for non-volatile fields. |
| 145 | const uint32_t vregA = inst->VRegA_22c(inst_data); |
| 146 | switch (field_type) { |
| 147 | case Primitive::kPrimInt: |
| 148 | shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetField32(field_offset))); |
| 149 | break; |
Mathieu Chartier | ffc605c | 2014-12-10 10:35:44 -0800 | [diff] [blame] | 150 | case Primitive::kPrimBoolean: |
| 151 | shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldBoolean(field_offset))); |
| 152 | break; |
| 153 | case Primitive::kPrimByte: |
| 154 | shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldByte(field_offset))); |
| 155 | break; |
| 156 | case Primitive::kPrimChar: |
| 157 | shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldChar(field_offset))); |
| 158 | break; |
| 159 | case Primitive::kPrimShort: |
| 160 | shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldShort(field_offset))); |
| 161 | break; |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 162 | case Primitive::kPrimLong: |
| 163 | shadow_frame.SetVRegLong(vregA, static_cast<int64_t>(obj->GetField64(field_offset))); |
| 164 | break; |
| 165 | case Primitive::kPrimNot: |
| 166 | shadow_frame.SetVRegReference(vregA, obj->GetFieldObject<mirror::Object>(field_offset)); |
| 167 | break; |
| 168 | default: |
| 169 | LOG(FATAL) << "Unreachable: " << field_type; |
Ian Rogers | 2c4257b | 2014-10-24 14:20:06 -0700 | [diff] [blame] | 170 | UNREACHABLE(); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 171 | } |
| 172 | return true; |
| 173 | } |
| 174 | |
| 175 | // Explicitly instantiate all DoIGetQuick functions. |
| 176 | #define EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(_field_type) \ |
| 177 | template bool DoIGetQuick<_field_type>(ShadowFrame& shadow_frame, const Instruction* inst, \ |
| 178 | uint16_t inst_data) |
| 179 | |
Mathieu Chartier | ffc605c | 2014-12-10 10:35:44 -0800 | [diff] [blame] | 180 | EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimInt); // iget-quick. |
| 181 | EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimBoolean); // iget-boolean-quick. |
| 182 | EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimByte); // iget-byte-quick. |
| 183 | EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimChar); // iget-char-quick. |
| 184 | EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimShort); // iget-short-quick. |
| 185 | EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimLong); // iget-wide-quick. |
| 186 | EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimNot); // iget-object-quick. |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 187 | #undef EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL |
| 188 | |
| 189 | template<Primitive::Type field_type> |
| 190 | static JValue GetFieldValue(const ShadowFrame& shadow_frame, uint32_t vreg) |
| 191 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 192 | JValue field_value; |
| 193 | switch (field_type) { |
| 194 | case Primitive::kPrimBoolean: |
| 195 | field_value.SetZ(static_cast<uint8_t>(shadow_frame.GetVReg(vreg))); |
| 196 | break; |
| 197 | case Primitive::kPrimByte: |
| 198 | field_value.SetB(static_cast<int8_t>(shadow_frame.GetVReg(vreg))); |
| 199 | break; |
| 200 | case Primitive::kPrimChar: |
| 201 | field_value.SetC(static_cast<uint16_t>(shadow_frame.GetVReg(vreg))); |
| 202 | break; |
| 203 | case Primitive::kPrimShort: |
| 204 | field_value.SetS(static_cast<int16_t>(shadow_frame.GetVReg(vreg))); |
| 205 | break; |
| 206 | case Primitive::kPrimInt: |
| 207 | field_value.SetI(shadow_frame.GetVReg(vreg)); |
| 208 | break; |
| 209 | case Primitive::kPrimLong: |
| 210 | field_value.SetJ(shadow_frame.GetVRegLong(vreg)); |
| 211 | break; |
| 212 | case Primitive::kPrimNot: |
| 213 | field_value.SetL(shadow_frame.GetVRegReference(vreg)); |
| 214 | break; |
| 215 | default: |
| 216 | LOG(FATAL) << "Unreachable: " << field_type; |
Ian Rogers | 2c4257b | 2014-10-24 14:20:06 -0700 | [diff] [blame] | 217 | UNREACHABLE(); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 218 | } |
| 219 | return field_value; |
| 220 | } |
| 221 | |
| 222 | template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check, |
| 223 | bool transaction_active> |
| 224 | bool DoFieldPut(Thread* self, const ShadowFrame& shadow_frame, const Instruction* inst, |
| 225 | uint16_t inst_data) { |
| 226 | bool do_assignability_check = do_access_check; |
| 227 | bool is_static = (find_type == StaticObjectWrite) || (find_type == StaticPrimitiveWrite); |
| 228 | uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c(); |
| 229 | ArtField* f = FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self, |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 230 | Primitive::ComponentSize(field_type)); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 231 | if (UNLIKELY(f == nullptr)) { |
| 232 | CHECK(self->IsExceptionPending()); |
| 233 | return false; |
| 234 | } |
| 235 | Object* obj; |
| 236 | if (is_static) { |
| 237 | obj = f->GetDeclaringClass(); |
| 238 | } else { |
| 239 | obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); |
| 240 | if (UNLIKELY(obj == nullptr)) { |
| 241 | ThrowNullPointerExceptionForFieldAccess(shadow_frame.GetCurrentLocationForThrow(), |
| 242 | f, false); |
| 243 | return false; |
| 244 | } |
| 245 | } |
Sebastien Hertz | 1edbd8e | 2014-07-16 20:00:11 +0200 | [diff] [blame] | 246 | f->GetDeclaringClass()->AssertInitializedOrInitializingInThread(self); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 247 | uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data); |
| 248 | // Report this field access to instrumentation if needed. Since we only have the offset of |
| 249 | // the field from the base of the object, we need to look for it first. |
| 250 | instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); |
| 251 | if (UNLIKELY(instrumentation->HasFieldWriteListeners())) { |
| 252 | JValue field_value = GetFieldValue<field_type>(shadow_frame, vregA); |
| 253 | Object* this_object = f->IsStatic() ? nullptr : obj; |
| 254 | instrumentation->FieldWriteEvent(self, this_object, shadow_frame.GetMethod(), |
| 255 | shadow_frame.GetDexPC(), f, field_value); |
| 256 | } |
| 257 | switch (field_type) { |
| 258 | case Primitive::kPrimBoolean: |
| 259 | f->SetBoolean<transaction_active>(obj, shadow_frame.GetVReg(vregA)); |
| 260 | break; |
| 261 | case Primitive::kPrimByte: |
| 262 | f->SetByte<transaction_active>(obj, shadow_frame.GetVReg(vregA)); |
| 263 | break; |
| 264 | case Primitive::kPrimChar: |
| 265 | f->SetChar<transaction_active>(obj, shadow_frame.GetVReg(vregA)); |
| 266 | break; |
| 267 | case Primitive::kPrimShort: |
| 268 | f->SetShort<transaction_active>(obj, shadow_frame.GetVReg(vregA)); |
| 269 | break; |
| 270 | case Primitive::kPrimInt: |
| 271 | f->SetInt<transaction_active>(obj, shadow_frame.GetVReg(vregA)); |
| 272 | break; |
| 273 | case Primitive::kPrimLong: |
| 274 | f->SetLong<transaction_active>(obj, shadow_frame.GetVRegLong(vregA)); |
| 275 | break; |
| 276 | case Primitive::kPrimNot: { |
| 277 | Object* reg = shadow_frame.GetVRegReference(vregA); |
| 278 | if (do_assignability_check && reg != nullptr) { |
| 279 | // FieldHelper::GetType can resolve classes, use a handle wrapper which will restore the |
| 280 | // object in the destructor. |
| 281 | Class* field_class; |
| 282 | { |
| 283 | StackHandleScope<3> hs(self); |
| 284 | HandleWrapper<mirror::ArtField> h_f(hs.NewHandleWrapper(&f)); |
| 285 | HandleWrapper<mirror::Object> h_reg(hs.NewHandleWrapper(®)); |
| 286 | HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&obj)); |
Ian Rogers | 08f1f50 | 2014-12-02 15:04:37 -0800 | [diff] [blame] | 287 | field_class = h_f->GetType(true); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 288 | } |
| 289 | if (!reg->VerifierInstanceOf(field_class)) { |
| 290 | // This should never happen. |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 291 | std::string temp1, temp2, temp3; |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 292 | self->ThrowNewExceptionF(self->GetCurrentLocationForThrow(), |
| 293 | "Ljava/lang/VirtualMachineError;", |
| 294 | "Put '%s' that is not instance of field '%s' in '%s'", |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 295 | reg->GetClass()->GetDescriptor(&temp1), |
| 296 | field_class->GetDescriptor(&temp2), |
| 297 | f->GetDeclaringClass()->GetDescriptor(&temp3)); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 298 | return false; |
| 299 | } |
| 300 | } |
| 301 | f->SetObj<transaction_active>(obj, reg); |
| 302 | break; |
| 303 | } |
| 304 | default: |
| 305 | LOG(FATAL) << "Unreachable: " << field_type; |
Ian Rogers | 2c4257b | 2014-10-24 14:20:06 -0700 | [diff] [blame] | 306 | UNREACHABLE(); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 307 | } |
| 308 | return true; |
| 309 | } |
| 310 | |
| 311 | // Explicitly instantiate all DoFieldPut functions. |
| 312 | #define EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, _do_check, _transaction_active) \ |
| 313 | template bool DoFieldPut<_find_type, _field_type, _do_check, _transaction_active>(Thread* self, \ |
| 314 | const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) |
| 315 | |
| 316 | #define EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(_find_type, _field_type) \ |
| 317 | EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, false); \ |
| 318 | EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, false); \ |
| 319 | EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, true); \ |
| 320 | EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, true); |
| 321 | |
| 322 | // iput-XXX |
Andreas Gampe | c8ccf68 | 2014-09-29 20:07:43 -0700 | [diff] [blame] | 323 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimBoolean) |
| 324 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimByte) |
| 325 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimChar) |
| 326 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimShort) |
| 327 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimInt) |
| 328 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimLong) |
| 329 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstanceObjectWrite, Primitive::kPrimNot) |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 330 | |
| 331 | // sput-XXX |
Andreas Gampe | c8ccf68 | 2014-09-29 20:07:43 -0700 | [diff] [blame] | 332 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimBoolean) |
| 333 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimByte) |
| 334 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimChar) |
| 335 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimShort) |
| 336 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimInt) |
| 337 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimLong) |
| 338 | EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticObjectWrite, Primitive::kPrimNot) |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 339 | |
| 340 | #undef EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL |
| 341 | #undef EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL |
| 342 | |
| 343 | template<Primitive::Type field_type, bool transaction_active> |
| 344 | bool DoIPutQuick(const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) { |
| 345 | Object* obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); |
| 346 | if (UNLIKELY(obj == nullptr)) { |
| 347 | // We lost the reference to the field index so we cannot get a more |
| 348 | // precised exception message. |
| 349 | ThrowNullPointerExceptionFromDexPC(shadow_frame.GetCurrentLocationForThrow()); |
| 350 | return false; |
| 351 | } |
| 352 | MemberOffset field_offset(inst->VRegC_22c()); |
| 353 | const uint32_t vregA = inst->VRegA_22c(inst_data); |
| 354 | // Report this field modification to instrumentation if needed. Since we only have the offset of |
| 355 | // the field from the base of the object, we need to look for it first. |
| 356 | instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); |
| 357 | if (UNLIKELY(instrumentation->HasFieldWriteListeners())) { |
| 358 | ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(), |
| 359 | field_offset.Uint32Value()); |
| 360 | DCHECK(f != nullptr); |
| 361 | DCHECK(!f->IsStatic()); |
| 362 | JValue field_value = GetFieldValue<field_type>(shadow_frame, vregA); |
| 363 | instrumentation->FieldWriteEvent(Thread::Current(), obj, shadow_frame.GetMethod(), |
| 364 | shadow_frame.GetDexPC(), f, field_value); |
| 365 | } |
| 366 | // Note: iput-x-quick instructions are only for non-volatile fields. |
| 367 | switch (field_type) { |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 368 | case Primitive::kPrimBoolean: |
| 369 | obj->SetFieldBoolean<transaction_active>(field_offset, shadow_frame.GetVReg(vregA)); |
| 370 | break; |
| 371 | case Primitive::kPrimByte: |
| 372 | obj->SetFieldByte<transaction_active>(field_offset, shadow_frame.GetVReg(vregA)); |
| 373 | break; |
| 374 | case Primitive::kPrimChar: |
| 375 | obj->SetFieldChar<transaction_active>(field_offset, shadow_frame.GetVReg(vregA)); |
| 376 | break; |
| 377 | case Primitive::kPrimShort: |
| 378 | obj->SetFieldShort<transaction_active>(field_offset, shadow_frame.GetVReg(vregA)); |
| 379 | break; |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 380 | case Primitive::kPrimInt: |
| 381 | obj->SetField32<transaction_active>(field_offset, shadow_frame.GetVReg(vregA)); |
| 382 | break; |
| 383 | case Primitive::kPrimLong: |
| 384 | obj->SetField64<transaction_active>(field_offset, shadow_frame.GetVRegLong(vregA)); |
| 385 | break; |
| 386 | case Primitive::kPrimNot: |
| 387 | obj->SetFieldObject<transaction_active>(field_offset, shadow_frame.GetVRegReference(vregA)); |
| 388 | break; |
| 389 | default: |
| 390 | LOG(FATAL) << "Unreachable: " << field_type; |
Ian Rogers | 2c4257b | 2014-10-24 14:20:06 -0700 | [diff] [blame] | 391 | UNREACHABLE(); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 392 | } |
| 393 | return true; |
| 394 | } |
| 395 | |
| 396 | // Explicitly instantiate all DoIPutQuick functions. |
| 397 | #define EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, _transaction_active) \ |
| 398 | template bool DoIPutQuick<_field_type, _transaction_active>(const ShadowFrame& shadow_frame, \ |
| 399 | const Instruction* inst, \ |
| 400 | uint16_t inst_data) |
| 401 | |
| 402 | #define EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(_field_type) \ |
| 403 | EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, false); \ |
| 404 | EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, true); |
| 405 | |
Andreas Gampe | c8ccf68 | 2014-09-29 20:07:43 -0700 | [diff] [blame] | 406 | EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimInt) // iput-quick. |
| 407 | EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimBoolean) // iput-boolean-quick. |
| 408 | EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimByte) // iput-byte-quick. |
| 409 | EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimChar) // iput-char-quick. |
| 410 | EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimShort) // iput-short-quick. |
| 411 | EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimLong) // iput-wide-quick. |
| 412 | EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimNot) // iput-object-quick. |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 413 | #undef EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL |
| 414 | #undef EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL |
| 415 | |
| 416 | uint32_t FindNextInstructionFollowingException(Thread* self, |
| 417 | ShadowFrame& shadow_frame, |
| 418 | uint32_t dex_pc, |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 419 | const instrumentation::Instrumentation* instrumentation) { |
| 420 | self->VerifyStack(); |
Sebastien Hertz | 9f10203 | 2014-05-23 08:59:42 +0200 | [diff] [blame] | 421 | StackHandleScope<3> hs(self); |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 422 | Handle<mirror::Throwable> exception(hs.NewHandle(self->GetException())); |
Nicolas Geoffray | 7642cfc | 2015-02-26 10:56:09 +0000 | [diff] [blame] | 423 | if (instrumentation->HasExceptionCaughtListeners() |
| 424 | && self->IsExceptionThrownByCurrentMethod(exception.Get())) { |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 425 | instrumentation->ExceptionCaughtEvent(self, exception.Get()); |
Sebastien Hertz | 9f10203 | 2014-05-23 08:59:42 +0200 | [diff] [blame] | 426 | } |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 427 | bool clear_exception = false; |
| 428 | uint32_t found_dex_pc; |
| 429 | { |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 430 | Handle<mirror::Class> exception_class(hs.NewHandle(exception->GetClass())); |
| 431 | Handle<mirror::ArtMethod> h_method(hs.NewHandle(shadow_frame.GetMethod())); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 432 | found_dex_pc = mirror::ArtMethod::FindCatchBlock(h_method, exception_class, dex_pc, |
| 433 | &clear_exception); |
| 434 | } |
| 435 | if (found_dex_pc == DexFile::kDexNoIndex) { |
Nicolas Geoffray | 7642cfc | 2015-02-26 10:56:09 +0000 | [diff] [blame] | 436 | // Exception is not caught by the current method. We will unwind to the |
| 437 | // caller. Notify any instrumentation listener. |
Sebastien Hertz | 9f10203 | 2014-05-23 08:59:42 +0200 | [diff] [blame] | 438 | instrumentation->MethodUnwindEvent(self, shadow_frame.GetThisObject(), |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 439 | shadow_frame.GetMethod(), dex_pc); |
| 440 | } else { |
Nicolas Geoffray | 7642cfc | 2015-02-26 10:56:09 +0000 | [diff] [blame] | 441 | // Exception is caught in the current method. We will jump to the found_dex_pc. |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 442 | if (clear_exception) { |
| 443 | self->ClearException(); |
| 444 | } |
| 445 | } |
| 446 | return found_dex_pc; |
| 447 | } |
| 448 | |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 449 | void UnexpectedOpcode(const Instruction* inst, const ShadowFrame& shadow_frame) { |
| 450 | LOG(FATAL) << "Unexpected instruction: " |
| 451 | << inst->DumpString(shadow_frame.GetMethod()->GetDexFile()); |
| 452 | UNREACHABLE(); |
Ian Rogers | 5487494 | 2014-06-10 16:31:03 -0700 | [diff] [blame] | 453 | } |
| 454 | |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 455 | static void UnstartedRuntimeInvoke(Thread* self, const DexFile::CodeItem* code_item, |
| 456 | ShadowFrame* shadow_frame, JValue* result, size_t arg_offset) |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 457 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 458 | |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 459 | // Assign register 'src_reg' from shadow_frame to register 'dest_reg' into new_shadow_frame. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 460 | static inline void AssignRegister(ShadowFrame* new_shadow_frame, const ShadowFrame& shadow_frame, |
| 461 | size_t dest_reg, size_t src_reg) |
| 462 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 463 | // If both register locations contains the same value, the register probably holds a reference. |
Andreas Gampe | 7104cbf | 2014-03-21 11:44:43 -0700 | [diff] [blame] | 464 | // Uint required, so that sign extension does not make this wrong on 64b systems |
| 465 | uint32_t src_value = shadow_frame.GetVReg(src_reg); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 466 | mirror::Object* o = shadow_frame.GetVRegReference<kVerifyNone>(src_reg); |
Andreas Gampe | 7104cbf | 2014-03-21 11:44:43 -0700 | [diff] [blame] | 467 | if (src_value == reinterpret_cast<uintptr_t>(o)) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 468 | new_shadow_frame->SetVRegReference(dest_reg, o); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 469 | } else { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 470 | new_shadow_frame->SetVReg(dest_reg, src_value); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 471 | } |
| 472 | } |
| 473 | |
Mathieu Chartier | b2c7ead | 2014-04-29 11:13:16 -0700 | [diff] [blame] | 474 | void AbortTransaction(Thread* self, const char* fmt, ...) { |
| 475 | CHECK(Runtime::Current()->IsActiveTransaction()); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 476 | // Constructs abort message. |
Mathieu Chartier | b2c7ead | 2014-04-29 11:13:16 -0700 | [diff] [blame] | 477 | va_list args; |
| 478 | va_start(args, fmt); |
Sebastien Hertz | 1c80bec | 2015-02-03 11:58:06 +0100 | [diff] [blame] | 479 | std::string abort_msg; |
| 480 | StringAppendV(&abort_msg, fmt, args); |
| 481 | // Throws an exception so we can abort the transaction and rollback every change. |
| 482 | Runtime::Current()->AbortTransactionAndThrowInternalError(self, abort_msg); |
Mathieu Chartier | b2c7ead | 2014-04-29 11:13:16 -0700 | [diff] [blame] | 483 | va_end(args); |
| 484 | } |
| 485 | |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 486 | template<bool is_range, bool do_assignability_check> |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 487 | bool DoCall(ArtMethod* called_method, Thread* self, ShadowFrame& shadow_frame, |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 488 | const Instruction* inst, uint16_t inst_data, JValue* result) { |
| 489 | // Compute method information. |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 490 | const DexFile::CodeItem* code_item = called_method->GetCodeItem(); |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 491 | const uint16_t num_ins = (is_range) ? inst->VRegA_3rc(inst_data) : inst->VRegA_35c(inst_data); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 492 | uint16_t num_regs; |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 493 | if (LIKELY(code_item != NULL)) { |
| 494 | num_regs = code_item->registers_size_; |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 495 | DCHECK_EQ(num_ins, code_item->ins_size_); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 496 | } else { |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 497 | DCHECK(called_method->IsNative() || called_method->IsProxyMethod()); |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 498 | num_regs = num_ins; |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 499 | } |
| 500 | |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 501 | // Allocate shadow frame on the stack. |
Mathieu Chartier | e861ebd | 2013-10-09 15:01:21 -0700 | [diff] [blame] | 502 | const char* old_cause = self->StartAssertNoThreadSuspension("DoCall"); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 503 | void* memory = alloca(ShadowFrame::ComputeSize(num_regs)); |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 504 | ShadowFrame* new_shadow_frame(ShadowFrame::Create(num_regs, &shadow_frame, called_method, 0, |
| 505 | memory)); |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 506 | |
| 507 | // Initialize new shadow frame. |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 508 | const size_t first_dest_reg = num_regs - num_ins; |
Jeff Hao | a3faaf4 | 2013-09-03 19:07:00 -0700 | [diff] [blame] | 509 | if (do_assignability_check) { |
Andreas Gampe | 2a0d4ec | 2014-06-02 22:05:22 -0700 | [diff] [blame] | 510 | // Slow path. |
| 511 | // We might need to do class loading, which incurs a thread state change to kNative. So |
| 512 | // register the shadow frame as under construction and allow suspension again. |
| 513 | self->SetShadowFrameUnderConstruction(new_shadow_frame); |
| 514 | self->EndAssertNoThreadSuspension(old_cause); |
| 515 | |
| 516 | // We need to do runtime check on reference assignment. We need to load the shorty |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 517 | // to get the exact type of each reference argument. |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 518 | const DexFile::TypeList* params = new_shadow_frame->GetMethod()->GetParameterTypeList(); |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 519 | uint32_t shorty_len = 0; |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 520 | const char* shorty = new_shadow_frame->GetMethod()->GetShorty(&shorty_len); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 521 | |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 522 | // TODO: find a cleaner way to separate non-range and range information without duplicating |
| 523 | // code. |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 524 | uint32_t arg[5]; // only used in invoke-XXX. |
| 525 | uint32_t vregC; // only used in invoke-XXX-range. |
| 526 | if (is_range) { |
| 527 | vregC = inst->VRegC_3rc(); |
| 528 | } else { |
Ian Rogers | 29a2648 | 2014-05-02 15:27:29 -0700 | [diff] [blame] | 529 | inst->GetVarArgs(arg, inst_data); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 530 | } |
Sebastien Hertz | 9119c5f | 2013-12-16 11:31:45 +0100 | [diff] [blame] | 531 | |
| 532 | // Handle receiver apart since it's not part of the shorty. |
| 533 | size_t dest_reg = first_dest_reg; |
| 534 | size_t arg_offset = 0; |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 535 | if (!new_shadow_frame->GetMethod()->IsStatic()) { |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 536 | size_t receiver_reg = is_range ? vregC : arg[0]; |
Sebastien Hertz | 9119c5f | 2013-12-16 11:31:45 +0100 | [diff] [blame] | 537 | new_shadow_frame->SetVRegReference(dest_reg, shadow_frame.GetVRegReference(receiver_reg)); |
| 538 | ++dest_reg; |
| 539 | ++arg_offset; |
| 540 | } |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 541 | for (uint32_t shorty_pos = 0; dest_reg < num_regs; ++shorty_pos, ++dest_reg, ++arg_offset) { |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 542 | DCHECK_LT(shorty_pos + 1, shorty_len); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 543 | const size_t src_reg = (is_range) ? vregC + arg_offset : arg[arg_offset]; |
| 544 | switch (shorty[shorty_pos + 1]) { |
| 545 | case 'L': { |
| 546 | Object* o = shadow_frame.GetVRegReference(src_reg); |
| 547 | if (do_assignability_check && o != NULL) { |
Ian Rogers | a048560 | 2014-12-02 15:48:04 -0800 | [diff] [blame] | 548 | Class* arg_type = |
| 549 | new_shadow_frame->GetMethod()->GetClassFromTypeIndex( |
| 550 | params->GetTypeItem(shorty_pos).type_idx_, true); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 551 | if (arg_type == NULL) { |
| 552 | CHECK(self->IsExceptionPending()); |
| 553 | return false; |
| 554 | } |
| 555 | if (!o->VerifierInstanceOf(arg_type)) { |
| 556 | // This should never happen. |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 557 | std::string temp1, temp2; |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 558 | self->ThrowNewExceptionF(self->GetCurrentLocationForThrow(), |
| 559 | "Ljava/lang/VirtualMachineError;", |
| 560 | "Invoking %s with bad arg %d, type '%s' not instance of '%s'", |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 561 | new_shadow_frame->GetMethod()->GetName(), shorty_pos, |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 562 | o->GetClass()->GetDescriptor(&temp1), |
| 563 | arg_type->GetDescriptor(&temp2)); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 564 | return false; |
| 565 | } |
Jeff Hao | a3faaf4 | 2013-09-03 19:07:00 -0700 | [diff] [blame] | 566 | } |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 567 | new_shadow_frame->SetVRegReference(dest_reg, o); |
| 568 | break; |
Jeff Hao | a3faaf4 | 2013-09-03 19:07:00 -0700 | [diff] [blame] | 569 | } |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 570 | case 'J': case 'D': { |
| 571 | uint64_t wide_value = (static_cast<uint64_t>(shadow_frame.GetVReg(src_reg + 1)) << 32) | |
| 572 | static_cast<uint32_t>(shadow_frame.GetVReg(src_reg)); |
| 573 | new_shadow_frame->SetVRegLong(dest_reg, wide_value); |
| 574 | ++dest_reg; |
| 575 | ++arg_offset; |
| 576 | break; |
| 577 | } |
| 578 | default: |
| 579 | new_shadow_frame->SetVReg(dest_reg, shadow_frame.GetVReg(src_reg)); |
| 580 | break; |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 581 | } |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 582 | } |
Andreas Gampe | 2a0d4ec | 2014-06-02 22:05:22 -0700 | [diff] [blame] | 583 | // We're done with the construction. |
| 584 | self->ClearShadowFrameUnderConstruction(); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 585 | } else { |
| 586 | // Fast path: no extra checks. |
| 587 | if (is_range) { |
| 588 | const uint16_t first_src_reg = inst->VRegC_3rc(); |
| 589 | for (size_t src_reg = first_src_reg, dest_reg = first_dest_reg; dest_reg < num_regs; |
| 590 | ++dest_reg, ++src_reg) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 591 | AssignRegister(new_shadow_frame, shadow_frame, dest_reg, src_reg); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 592 | } |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 593 | } else { |
| 594 | DCHECK_LE(num_ins, 5U); |
| 595 | uint16_t regList = inst->Fetch16(2); |
| 596 | uint16_t count = num_ins; |
| 597 | if (count == 5) { |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 598 | AssignRegister(new_shadow_frame, shadow_frame, first_dest_reg + 4U, |
| 599 | (inst_data >> 8) & 0x0f); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 600 | --count; |
| 601 | } |
| 602 | for (size_t arg_index = 0; arg_index < count; ++arg_index, regList >>= 4) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 603 | AssignRegister(new_shadow_frame, shadow_frame, first_dest_reg + arg_index, regList & 0x0f); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 604 | } |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 605 | } |
Andreas Gampe | 2a0d4ec | 2014-06-02 22:05:22 -0700 | [diff] [blame] | 606 | self->EndAssertNoThreadSuspension(old_cause); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 607 | } |
| 608 | |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 609 | // Do the call now. |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 610 | if (LIKELY(Runtime::Current()->IsStarted())) { |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 611 | if (kIsDebugBuild && new_shadow_frame->GetMethod()->GetEntryPointFromInterpreter() == nullptr) { |
| 612 | LOG(FATAL) << "Attempt to invoke non-executable method: " |
| 613 | << PrettyMethod(new_shadow_frame->GetMethod()); |
| 614 | UNREACHABLE(); |
Ian Rogers | 1d99e45 | 2014-01-02 17:36:41 -0800 | [diff] [blame] | 615 | } |
Hiroshi Yamauchi | 563b47c | 2014-02-28 17:18:37 -0800 | [diff] [blame] | 616 | if (kIsDebugBuild && Runtime::Current()->GetInstrumentation()->IsForcedInterpretOnly() && |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 617 | !new_shadow_frame->GetMethod()->IsNative() && |
| 618 | !new_shadow_frame->GetMethod()->IsProxyMethod() && |
| 619 | new_shadow_frame->GetMethod()->GetEntryPointFromInterpreter() |
| 620 | == artInterpreterToCompiledCodeBridge) { |
| 621 | LOG(FATAL) << "Attempt to call compiled code when -Xint: " |
| 622 | << PrettyMethod(new_shadow_frame->GetMethod()); |
| 623 | UNREACHABLE(); |
Hiroshi Yamauchi | 563b47c | 2014-02-28 17:18:37 -0800 | [diff] [blame] | 624 | } |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 625 | (new_shadow_frame->GetMethod()->GetEntryPointFromInterpreter())(self, code_item, |
| 626 | new_shadow_frame, result); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 627 | } else { |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 628 | UnstartedRuntimeInvoke(self, code_item, new_shadow_frame, result, first_dest_reg); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 629 | } |
| 630 | return !self->IsExceptionPending(); |
| 631 | } |
| 632 | |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 633 | template <bool is_range, bool do_access_check, bool transaction_active> |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 634 | bool DoFilledNewArray(const Instruction* inst, const ShadowFrame& shadow_frame, |
| 635 | Thread* self, JValue* result) { |
| 636 | DCHECK(inst->Opcode() == Instruction::FILLED_NEW_ARRAY || |
| 637 | inst->Opcode() == Instruction::FILLED_NEW_ARRAY_RANGE); |
| 638 | const int32_t length = is_range ? inst->VRegA_3rc() : inst->VRegA_35c(); |
| 639 | if (!is_range) { |
| 640 | // Checks FILLED_NEW_ARRAY's length does not exceed 5 arguments. |
| 641 | CHECK_LE(length, 5); |
| 642 | } |
| 643 | if (UNLIKELY(length < 0)) { |
| 644 | ThrowNegativeArraySizeException(length); |
| 645 | return false; |
| 646 | } |
| 647 | uint16_t type_idx = is_range ? inst->VRegB_3rc() : inst->VRegB_35c(); |
| 648 | Class* arrayClass = ResolveVerifyAndClinit(type_idx, shadow_frame.GetMethod(), |
| 649 | self, false, do_access_check); |
| 650 | if (UNLIKELY(arrayClass == NULL)) { |
| 651 | DCHECK(self->IsExceptionPending()); |
| 652 | return false; |
| 653 | } |
| 654 | CHECK(arrayClass->IsArrayClass()); |
| 655 | Class* componentClass = arrayClass->GetComponentType(); |
| 656 | if (UNLIKELY(componentClass->IsPrimitive() && !componentClass->IsPrimitiveInt())) { |
| 657 | if (componentClass->IsPrimitiveLong() || componentClass->IsPrimitiveDouble()) { |
| 658 | ThrowRuntimeException("Bad filled array request for type %s", |
| 659 | PrettyDescriptor(componentClass).c_str()); |
| 660 | } else { |
| 661 | self->ThrowNewExceptionF(shadow_frame.GetCurrentLocationForThrow(), |
| 662 | "Ljava/lang/InternalError;", |
Brian Carlstrom | 4fa0bcd | 2013-12-10 11:24:21 -0800 | [diff] [blame] | 663 | "Found type %s; filled-new-array not implemented for anything but 'int'", |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 664 | PrettyDescriptor(componentClass).c_str()); |
| 665 | } |
| 666 | return false; |
| 667 | } |
Hiroshi Yamauchi | f0edfc3 | 2014-09-25 11:46:46 -0700 | [diff] [blame] | 668 | Object* newArray = Array::Alloc<true>(self, arrayClass, length, |
| 669 | arrayClass->GetComponentSizeShift(), |
Ian Rogers | 6fac447 | 2014-02-25 17:01:10 -0800 | [diff] [blame] | 670 | Runtime::Current()->GetHeap()->GetCurrentAllocator()); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 671 | if (UNLIKELY(newArray == NULL)) { |
| 672 | DCHECK(self->IsExceptionPending()); |
| 673 | return false; |
| 674 | } |
Sebastien Hertz | abff643 | 2014-01-27 18:01:39 +0100 | [diff] [blame] | 675 | uint32_t arg[5]; // only used in filled-new-array. |
| 676 | uint32_t vregC; // only used in filled-new-array-range. |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 677 | if (is_range) { |
Sebastien Hertz | abff643 | 2014-01-27 18:01:39 +0100 | [diff] [blame] | 678 | vregC = inst->VRegC_3rc(); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 679 | } else { |
Ian Rogers | 29a2648 | 2014-05-02 15:27:29 -0700 | [diff] [blame] | 680 | inst->GetVarArgs(arg); |
Sebastien Hertz | abff643 | 2014-01-27 18:01:39 +0100 | [diff] [blame] | 681 | } |
| 682 | const bool is_primitive_int_component = componentClass->IsPrimitiveInt(); |
| 683 | for (int32_t i = 0; i < length; ++i) { |
| 684 | size_t src_reg = is_range ? vregC + i : arg[i]; |
| 685 | if (is_primitive_int_component) { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 686 | newArray->AsIntArray()->SetWithoutChecks<transaction_active>(i, shadow_frame.GetVReg(src_reg)); |
Sebastien Hertz | abff643 | 2014-01-27 18:01:39 +0100 | [diff] [blame] | 687 | } else { |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 688 | newArray->AsObjectArray<Object>()->SetWithoutChecks<transaction_active>(i, shadow_frame.GetVRegReference(src_reg)); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 689 | } |
| 690 | } |
| 691 | |
| 692 | result->SetL(newArray); |
| 693 | return true; |
| 694 | } |
| 695 | |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 696 | // TODO fix thread analysis: should be SHARED_LOCKS_REQUIRED(Locks::mutator_lock_). |
| 697 | template<typename T> |
| 698 | static void RecordArrayElementsInTransactionImpl(mirror::PrimitiveArray<T>* array, int32_t count) |
| 699 | NO_THREAD_SAFETY_ANALYSIS { |
| 700 | Runtime* runtime = Runtime::Current(); |
| 701 | for (int32_t i = 0; i < count; ++i) { |
| 702 | runtime->RecordWriteArray(array, i, array->GetWithoutChecks(i)); |
| 703 | } |
| 704 | } |
| 705 | |
| 706 | void RecordArrayElementsInTransaction(mirror::Array* array, int32_t count) |
| 707 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 708 | DCHECK(Runtime::Current()->IsActiveTransaction()); |
| 709 | DCHECK(array != nullptr); |
| 710 | DCHECK_LE(count, array->GetLength()); |
| 711 | Primitive::Type primitive_component_type = array->GetClass()->GetComponentType()->GetPrimitiveType(); |
| 712 | switch (primitive_component_type) { |
| 713 | case Primitive::kPrimBoolean: |
| 714 | RecordArrayElementsInTransactionImpl(array->AsBooleanArray(), count); |
| 715 | break; |
| 716 | case Primitive::kPrimByte: |
| 717 | RecordArrayElementsInTransactionImpl(array->AsByteArray(), count); |
| 718 | break; |
| 719 | case Primitive::kPrimChar: |
| 720 | RecordArrayElementsInTransactionImpl(array->AsCharArray(), count); |
| 721 | break; |
| 722 | case Primitive::kPrimShort: |
| 723 | RecordArrayElementsInTransactionImpl(array->AsShortArray(), count); |
| 724 | break; |
| 725 | case Primitive::kPrimInt: |
| 726 | case Primitive::kPrimFloat: |
| 727 | RecordArrayElementsInTransactionImpl(array->AsIntArray(), count); |
| 728 | break; |
| 729 | case Primitive::kPrimLong: |
| 730 | case Primitive::kPrimDouble: |
| 731 | RecordArrayElementsInTransactionImpl(array->AsLongArray(), count); |
| 732 | break; |
| 733 | default: |
| 734 | LOG(FATAL) << "Unsupported primitive type " << primitive_component_type |
| 735 | << " in fill-array-data"; |
| 736 | break; |
| 737 | } |
| 738 | } |
| 739 | |
Sebastien Hertz | 4e99b3d | 2014-06-24 14:35:40 +0200 | [diff] [blame] | 740 | // Helper function to deal with class loading in an unstarted runtime. |
Andreas Gampe | 5a4b8a2 | 2014-09-11 08:30:08 -0700 | [diff] [blame] | 741 | static void UnstartedRuntimeFindClass(Thread* self, Handle<mirror::String> className, |
| 742 | Handle<mirror::ClassLoader> class_loader, JValue* result, |
Sebastien Hertz | 4e99b3d | 2014-06-24 14:35:40 +0200 | [diff] [blame] | 743 | const std::string& method_name, bool initialize_class, |
| 744 | bool abort_if_not_found) |
| 745 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 746 | CHECK(className.Get() != nullptr); |
| 747 | std::string descriptor(DotToDescriptor(className->ToModifiedUtf8().c_str())); |
| 748 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 749 | |
| 750 | Class* found = class_linker->FindClass(self, descriptor.c_str(), class_loader); |
| 751 | if (found == nullptr && abort_if_not_found) { |
| 752 | if (!self->IsExceptionPending()) { |
| 753 | AbortTransaction(self, "%s failed in un-started runtime for class: %s", |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 754 | method_name.c_str(), PrettyDescriptor(descriptor.c_str()).c_str()); |
Sebastien Hertz | 4e99b3d | 2014-06-24 14:35:40 +0200 | [diff] [blame] | 755 | } |
| 756 | return; |
| 757 | } |
| 758 | if (found != nullptr && initialize_class) { |
| 759 | StackHandleScope<1> hs(self); |
| 760 | Handle<mirror::Class> h_class(hs.NewHandle(found)); |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 761 | if (!class_linker->EnsureInitialized(self, h_class, true, true)) { |
Sebastien Hertz | 4e99b3d | 2014-06-24 14:35:40 +0200 | [diff] [blame] | 762 | CHECK(self->IsExceptionPending()); |
| 763 | return; |
| 764 | } |
| 765 | } |
| 766 | result->SetL(found); |
| 767 | } |
| 768 | |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 769 | // Common helper for class-loading cutouts in an unstarted runtime. We call Runtime methods that |
| 770 | // rely on Java code to wrap errors in the correct exception class (i.e., NoClassDefFoundError into |
| 771 | // ClassNotFoundException), so need to do the same. The only exception is if the exception is |
| 772 | // actually InternalError. This must not be wrapped, as it signals an initialization abort. |
| 773 | static void CheckExceptionGenerateClassNotFound(Thread* self) |
| 774 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 775 | if (self->IsExceptionPending()) { |
| 776 | // If it is not an InternalError, wrap it. |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 777 | std::string type(PrettyTypeOf(self->GetException())); |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 778 | if (type != "java.lang.InternalError") { |
| 779 | self->ThrowNewWrappedException(self->GetCurrentLocationForThrow(), |
| 780 | "Ljava/lang/ClassNotFoundException;", |
| 781 | "ClassNotFoundException"); |
| 782 | } |
| 783 | } |
| 784 | } |
| 785 | |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 786 | static void UnstartedRuntimeInvoke(Thread* self, const DexFile::CodeItem* code_item, |
| 787 | ShadowFrame* shadow_frame, |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 788 | JValue* result, size_t arg_offset) { |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 789 | // In a runtime that's not started we intercept certain methods to avoid complicated dependency |
| 790 | // problems in core libraries. |
| 791 | std::string name(PrettyMethod(shadow_frame->GetMethod())); |
Sebastien Hertz | 4e99b3d | 2014-06-24 14:35:40 +0200 | [diff] [blame] | 792 | if (name == "java.lang.Class java.lang.Class.forName(java.lang.String)") { |
Sebastien Hertz | 4e99b3d | 2014-06-24 14:35:40 +0200 | [diff] [blame] | 793 | mirror::String* class_name = shadow_frame->GetVRegReference(arg_offset)->AsString(); |
| 794 | StackHandleScope<1> hs(self); |
| 795 | Handle<mirror::String> h_class_name(hs.NewHandle(class_name)); |
| 796 | UnstartedRuntimeFindClass(self, h_class_name, NullHandle<mirror::ClassLoader>(), result, name, |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 797 | true, false); |
| 798 | CheckExceptionGenerateClassNotFound(self); |
| 799 | } else if (name == "java.lang.Class java.lang.Class.forName(java.lang.String, boolean, java.lang.ClassLoader)") { |
Sebastien Hertz | 4e99b3d | 2014-06-24 14:35:40 +0200 | [diff] [blame] | 800 | mirror::String* class_name = shadow_frame->GetVRegReference(arg_offset)->AsString(); |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 801 | bool initialize_class = shadow_frame->GetVReg(arg_offset + 1) != 0; |
| 802 | mirror::ClassLoader* class_loader = |
| 803 | down_cast<mirror::ClassLoader*>(shadow_frame->GetVRegReference(arg_offset + 2)); |
| 804 | StackHandleScope<2> hs(self); |
Sebastien Hertz | 4e99b3d | 2014-06-24 14:35:40 +0200 | [diff] [blame] | 805 | Handle<mirror::String> h_class_name(hs.NewHandle(class_name)); |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 806 | Handle<mirror::ClassLoader> h_class_loader(hs.NewHandle(class_loader)); |
| 807 | UnstartedRuntimeFindClass(self, h_class_name, h_class_loader, result, name, initialize_class, |
| 808 | false); |
| 809 | CheckExceptionGenerateClassNotFound(self); |
| 810 | } else if (name == "java.lang.Class java.lang.Class.classForName(java.lang.String, boolean, java.lang.ClassLoader)") { |
| 811 | mirror::String* class_name = shadow_frame->GetVRegReference(arg_offset)->AsString(); |
| 812 | bool initialize_class = shadow_frame->GetVReg(arg_offset + 1) != 0; |
| 813 | mirror::ClassLoader* class_loader = |
| 814 | down_cast<mirror::ClassLoader*>(shadow_frame->GetVRegReference(arg_offset + 2)); |
| 815 | StackHandleScope<2> hs(self); |
| 816 | Handle<mirror::String> h_class_name(hs.NewHandle(class_name)); |
| 817 | Handle<mirror::ClassLoader> h_class_loader(hs.NewHandle(class_loader)); |
| 818 | UnstartedRuntimeFindClass(self, h_class_name, h_class_loader, result, name, initialize_class, |
| 819 | false); |
| 820 | CheckExceptionGenerateClassNotFound(self); |
Sebastien Hertz | 4e99b3d | 2014-06-24 14:35:40 +0200 | [diff] [blame] | 821 | } else if (name == "java.lang.Class java.lang.VMClassLoader.findLoadedClass(java.lang.ClassLoader, java.lang.String)") { |
| 822 | mirror::String* class_name = shadow_frame->GetVRegReference(arg_offset + 1)->AsString(); |
| 823 | mirror::ClassLoader* class_loader = |
| 824 | down_cast<mirror::ClassLoader*>(shadow_frame->GetVRegReference(arg_offset)); |
| 825 | StackHandleScope<2> hs(self); |
| 826 | Handle<mirror::String> h_class_name(hs.NewHandle(class_name)); |
| 827 | Handle<mirror::ClassLoader> h_class_loader(hs.NewHandle(class_loader)); |
| 828 | UnstartedRuntimeFindClass(self, h_class_name, h_class_loader, result, name, false, false); |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 829 | // This might have an error pending. But semantics are to just return null. |
| 830 | if (self->IsExceptionPending()) { |
| 831 | // If it is an InternalError, keep it. See CheckExceptionGenerateClassNotFound. |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 832 | std::string type(PrettyTypeOf(self->GetException())); |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 833 | if (type != "java.lang.InternalError") { |
| 834 | self->ClearException(); |
| 835 | } |
| 836 | } |
Ian Rogers | c45b8b5 | 2014-05-03 01:39:59 -0700 | [diff] [blame] | 837 | } else if (name == "java.lang.Class java.lang.Void.lookupType()") { |
| 838 | result->SetL(Runtime::Current()->GetClassLinker()->FindPrimitiveClass('V')); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 839 | } else if (name == "java.lang.Object java.lang.Class.newInstance()") { |
Andreas Gampe | 729699d | 2015-03-03 17:48:39 -0800 | [diff] [blame] | 840 | StackHandleScope<3> hs(self); // Class, constructor, object. |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 841 | Class* klass = shadow_frame->GetVRegReference(arg_offset)->AsClass(); |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 842 | Handle<Class> h_klass(hs.NewHandle(klass)); |
| 843 | // There are two situations in which we'll abort this run. |
| 844 | // 1) If the class isn't yet initialized and initialization fails. |
| 845 | // 2) If we can't find the default constructor. We'll postpone the exception to runtime. |
| 846 | // Note that 2) could likely be handled here, but for safety abort the transaction. |
| 847 | bool ok = false; |
| 848 | if (Runtime::Current()->GetClassLinker()->EnsureInitialized(self, h_klass, true, true)) { |
Andreas Gampe | 729699d | 2015-03-03 17:48:39 -0800 | [diff] [blame] | 849 | Handle<ArtMethod> h_cons(hs.NewHandle(h_klass->FindDeclaredDirectMethod("<init>", "()V"))); |
| 850 | if (h_cons.Get() != nullptr) { |
| 851 | Handle<Object> h_obj(hs.NewHandle(klass->AllocObject(self))); |
| 852 | CHECK(h_obj.Get() != nullptr); // We don't expect OOM at compile-time. |
| 853 | EnterInterpreterFromInvoke(self, h_cons.Get(), h_obj.Get(), nullptr, nullptr); |
| 854 | if (!self->IsExceptionPending()) { |
| 855 | result->SetL(h_obj.Get()); |
| 856 | ok = true; |
| 857 | } |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 858 | } else { |
| 859 | self->ThrowNewExceptionF(self->GetCurrentLocationForThrow(), "Ljava/lang/InternalError;", |
| 860 | "Could not find default constructor for '%s'", |
| 861 | PrettyClass(h_klass.Get()).c_str()); |
| 862 | } |
| 863 | } |
| 864 | if (!ok) { |
| 865 | std::string error_msg = StringPrintf("Failed in Class.newInstance for '%s' with %s", |
| 866 | PrettyClass(h_klass.Get()).c_str(), |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 867 | PrettyTypeOf(self->GetException()).c_str()); |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 868 | self->ThrowNewWrappedException(self->GetCurrentLocationForThrow(), |
| 869 | "Ljava/lang/InternalError;", |
| 870 | error_msg.c_str()); |
| 871 | } |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 872 | } else if (name == "java.lang.reflect.Field java.lang.Class.getDeclaredField(java.lang.String)") { |
| 873 | // Special managed code cut-out to allow field lookup in a un-started runtime that'd fail |
| 874 | // going the reflective Dex way. |
| 875 | Class* klass = shadow_frame->GetVRegReference(arg_offset)->AsClass(); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 876 | String* name2 = shadow_frame->GetVRegReference(arg_offset + 1)->AsString(); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 877 | ArtField* found = NULL; |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 878 | ObjectArray<ArtField>* fields = klass->GetIFields(); |
| 879 | for (int32_t i = 0; i < fields->GetLength() && found == NULL; ++i) { |
| 880 | ArtField* f = fields->Get(i); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 881 | if (name2->Equals(f->GetName())) { |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 882 | found = f; |
| 883 | } |
| 884 | } |
| 885 | if (found == NULL) { |
| 886 | fields = klass->GetSFields(); |
| 887 | for (int32_t i = 0; i < fields->GetLength() && found == NULL; ++i) { |
| 888 | ArtField* f = fields->Get(i); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 889 | if (name2->Equals(f->GetName())) { |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 890 | found = f; |
| 891 | } |
| 892 | } |
| 893 | } |
| 894 | CHECK(found != NULL) |
Andreas Gampe | 729699d | 2015-03-03 17:48:39 -0800 | [diff] [blame] | 895 | << "Failed to find field in Class.getDeclaredField in un-started runtime. name=" |
| 896 | << name2->ToModifiedUtf8() << " class=" << PrettyDescriptor(klass); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 897 | // TODO: getDeclaredField calls GetType once the field is found to ensure a |
| 898 | // NoClassDefFoundError is thrown if the field's type cannot be resolved. |
| 899 | Class* jlr_Field = self->DecodeJObject(WellKnownClasses::java_lang_reflect_Field)->AsClass(); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 900 | StackHandleScope<1> hs(self); |
| 901 | Handle<Object> field(hs.NewHandle(jlr_Field->AllocNonMovableObject(self))); |
| 902 | CHECK(field.Get() != NULL); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 903 | ArtMethod* c = jlr_Field->FindDeclaredDirectMethod("<init>", "(Ljava/lang/reflect/ArtField;)V"); |
| 904 | uint32_t args[1]; |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 905 | args[0] = StackReference<mirror::Object>::FromMirrorPtr(found).AsVRegValue(); |
Mathieu Chartier | eb8167a | 2014-05-07 15:43:14 -0700 | [diff] [blame] | 906 | EnterInterpreterFromInvoke(self, c, field.Get(), args, NULL); |
| 907 | result->SetL(field.Get()); |
Ian Rogers | c45b8b5 | 2014-05-03 01:39:59 -0700 | [diff] [blame] | 908 | } else if (name == "int java.lang.Object.hashCode()") { |
| 909 | Object* obj = shadow_frame->GetVRegReference(arg_offset); |
| 910 | result->SetI(obj->IdentityHashCode()); |
| 911 | } else if (name == "java.lang.String java.lang.reflect.ArtMethod.getMethodName(java.lang.reflect.ArtMethod)") { |
Ian Rogers | 6b14d55 | 2014-10-28 21:50:58 -0700 | [diff] [blame] | 912 | mirror::ArtMethod* method = shadow_frame->GetVRegReference(arg_offset)->AsArtMethod(); |
| 913 | result->SetL(method->GetNameAsString(self)); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 914 | } else if (name == "void java.lang.System.arraycopy(java.lang.Object, int, java.lang.Object, int, int)" || |
Andreas Gampe | e2be653 | 2015-03-06 17:11:47 -0800 | [diff] [blame] | 915 | name == "void java.lang.System.arraycopy(char[], int, char[], int, int)" || |
| 916 | name == "void java.lang.System.arraycopy(int[], int, int[], int, int)") { |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 917 | // Special case array copying without initializing System. |
| 918 | Class* ctype = shadow_frame->GetVRegReference(arg_offset)->GetClass()->GetComponentType(); |
| 919 | jint srcPos = shadow_frame->GetVReg(arg_offset + 1); |
| 920 | jint dstPos = shadow_frame->GetVReg(arg_offset + 3); |
| 921 | jint length = shadow_frame->GetVReg(arg_offset + 4); |
| 922 | if (!ctype->IsPrimitive()) { |
| 923 | ObjectArray<Object>* src = shadow_frame->GetVRegReference(arg_offset)->AsObjectArray<Object>(); |
| 924 | ObjectArray<Object>* dst = shadow_frame->GetVRegReference(arg_offset + 2)->AsObjectArray<Object>(); |
| 925 | for (jint i = 0; i < length; ++i) { |
| 926 | dst->Set(dstPos + i, src->Get(srcPos + i)); |
| 927 | } |
| 928 | } else if (ctype->IsPrimitiveChar()) { |
| 929 | CharArray* src = shadow_frame->GetVRegReference(arg_offset)->AsCharArray(); |
| 930 | CharArray* dst = shadow_frame->GetVRegReference(arg_offset + 2)->AsCharArray(); |
| 931 | for (jint i = 0; i < length; ++i) { |
| 932 | dst->Set(dstPos + i, src->Get(srcPos + i)); |
| 933 | } |
| 934 | } else if (ctype->IsPrimitiveInt()) { |
| 935 | IntArray* src = shadow_frame->GetVRegReference(arg_offset)->AsIntArray(); |
| 936 | IntArray* dst = shadow_frame->GetVRegReference(arg_offset + 2)->AsIntArray(); |
| 937 | for (jint i = 0; i < length; ++i) { |
| 938 | dst->Set(dstPos + i, src->Get(srcPos + i)); |
| 939 | } |
| 940 | } else { |
Ian Rogers | c45b8b5 | 2014-05-03 01:39:59 -0700 | [diff] [blame] | 941 | self->ThrowNewExceptionF(self->GetCurrentLocationForThrow(), "Ljava/lang/InternalError;", |
| 942 | "Unimplemented System.arraycopy for type '%s'", |
| 943 | PrettyDescriptor(ctype).c_str()); |
| 944 | } |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 945 | } else if (name == "long java.lang.Double.doubleToRawLongBits(double)") { |
| 946 | double in = shadow_frame->GetVRegDouble(arg_offset); |
| 947 | result->SetJ(bit_cast<int64_t>(in)); |
| 948 | } else if (name == "double java.lang.Math.ceil(double)") { |
| 949 | double in = shadow_frame->GetVRegDouble(arg_offset); |
| 950 | double out; |
| 951 | // Special cases: |
| 952 | // 1) NaN, infinity, +0, -0 -> out := in. All are guaranteed by cmath. |
| 953 | // -1 < in < 0 -> out := -0. |
| 954 | if (-1.0 < in && in < 0) { |
| 955 | out = -0.0; |
| 956 | } else { |
| 957 | out = ceil(in); |
| 958 | } |
| 959 | result->SetD(out); |
| 960 | } else if (name == "java.lang.Object java.lang.ThreadLocal.get()") { |
Ian Rogers | c45b8b5 | 2014-05-03 01:39:59 -0700 | [diff] [blame] | 961 | std::string caller(PrettyMethod(shadow_frame->GetLink()->GetMethod())); |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 962 | bool ok = false; |
Ian Rogers | c45b8b5 | 2014-05-03 01:39:59 -0700 | [diff] [blame] | 963 | if (caller == "java.lang.String java.lang.IntegralToString.convertInt(java.lang.AbstractStringBuilder, int)") { |
| 964 | // Allocate non-threadlocal buffer. |
| 965 | result->SetL(mirror::CharArray::Alloc(self, 11)); |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 966 | ok = true; |
| 967 | } else if (caller == "java.lang.RealToString java.lang.RealToString.getInstance()") { |
| 968 | // Note: RealToString is implemented and used in a different fashion than IntegralToString. |
| 969 | // Conversion is done over an actual object of RealToString (the conversion method is an |
| 970 | // instance method). This means it is not as clear whether it is correct to return a new |
| 971 | // object each time. The caller needs to be inspected by hand to see whether it (incorrectly) |
| 972 | // stores the object for later use. |
| 973 | // See also b/19548084 for a possible rewrite and bringing it in line with IntegralToString. |
| 974 | if (shadow_frame->GetLink()->GetLink() != nullptr) { |
| 975 | std::string caller2(PrettyMethod(shadow_frame->GetLink()->GetLink()->GetMethod())); |
| 976 | if (caller2 == "java.lang.String java.lang.Double.toString(double)") { |
| 977 | // Allocate new object. |
Andreas Gampe | 729699d | 2015-03-03 17:48:39 -0800 | [diff] [blame] | 978 | StackHandleScope<2> hs(self); |
| 979 | Handle<Class> h_real_to_string_class(hs.NewHandle( |
| 980 | shadow_frame->GetLink()->GetMethod()->GetDeclaringClass())); |
| 981 | Handle<Object> h_real_to_string_obj(hs.NewHandle( |
| 982 | h_real_to_string_class->AllocObject(self))); |
| 983 | if (h_real_to_string_obj.Get() != nullptr) { |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 984 | mirror::ArtMethod* init_method = |
Andreas Gampe | 729699d | 2015-03-03 17:48:39 -0800 | [diff] [blame] | 985 | h_real_to_string_class->FindDirectMethod("<init>", "()V"); |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 986 | if (init_method == nullptr) { |
Andreas Gampe | 729699d | 2015-03-03 17:48:39 -0800 | [diff] [blame] | 987 | h_real_to_string_class->DumpClass(LOG(FATAL), mirror::Class::kDumpClassFullDetail); |
| 988 | } else { |
| 989 | JValue invoke_result; |
| 990 | EnterInterpreterFromInvoke(self, init_method, h_real_to_string_obj.Get(), nullptr, |
| 991 | nullptr); |
| 992 | if (!self->IsExceptionPending()) { |
| 993 | result->SetL(h_real_to_string_obj.Get()); |
| 994 | ok = true; |
| 995 | } |
Andreas Gampe | f0e128a | 2015-02-27 20:08:34 -0800 | [diff] [blame] | 996 | } |
| 997 | } |
| 998 | |
| 999 | if (!ok) { |
| 1000 | // We'll abort, so clear exception. |
| 1001 | self->ClearException(); |
| 1002 | } |
| 1003 | } |
| 1004 | } |
| 1005 | } |
| 1006 | |
| 1007 | if (!ok) { |
Ian Rogers | c45b8b5 | 2014-05-03 01:39:59 -0700 | [diff] [blame] | 1008 | self->ThrowNewException(self->GetCurrentLocationForThrow(), "Ljava/lang/InternalError;", |
| 1009 | "Unimplemented ThreadLocal.get"); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 1010 | } |
| 1011 | } else { |
| 1012 | // Not special, continue with regular interpreter execution. |
Ian Rogers | e94652f | 2014-12-02 11:13:19 -0800 | [diff] [blame] | 1013 | artInterpreterToInterpreterBridge(self, code_item, shadow_frame, result); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 1014 | } |
| 1015 | } |
| 1016 | |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 1017 | // Explicit DoCall template function declarations. |
Sebastien Hertz | c671485 | 2013-09-30 16:42:32 +0200 | [diff] [blame] | 1018 | #define EXPLICIT_DO_CALL_TEMPLATE_DECL(_is_range, _do_assignability_check) \ |
| 1019 | template SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) \ |
Sebastien Hertz | 9119c5f | 2013-12-16 11:31:45 +0100 | [diff] [blame] | 1020 | bool DoCall<_is_range, _do_assignability_check>(ArtMethod* method, Thread* self, \ |
| 1021 | ShadowFrame& shadow_frame, \ |
Sebastien Hertz | c671485 | 2013-09-30 16:42:32 +0200 | [diff] [blame] | 1022 | const Instruction* inst, uint16_t inst_data, \ |
| 1023 | JValue* result) |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 1024 | EXPLICIT_DO_CALL_TEMPLATE_DECL(false, false); |
| 1025 | EXPLICIT_DO_CALL_TEMPLATE_DECL(false, true); |
| 1026 | EXPLICIT_DO_CALL_TEMPLATE_DECL(true, false); |
| 1027 | EXPLICIT_DO_CALL_TEMPLATE_DECL(true, true); |
| 1028 | #undef EXPLICIT_DO_CALL_TEMPLATE_DECL |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 1029 | |
| 1030 | // Explicit DoFilledNewArray template function declarations. |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 1031 | #define EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(_is_range_, _check, _transaction_active) \ |
| 1032 | template SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) \ |
| 1033 | bool DoFilledNewArray<_is_range_, _check, _transaction_active>(const Instruction* inst, \ |
| 1034 | const ShadowFrame& shadow_frame, \ |
| 1035 | Thread* self, JValue* result) |
| 1036 | #define EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(_transaction_active) \ |
| 1037 | EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, false, _transaction_active); \ |
| 1038 | EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, true, _transaction_active); \ |
| 1039 | EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, false, _transaction_active); \ |
| 1040 | EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, true, _transaction_active) |
| 1041 | EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(false); |
| 1042 | EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(true); |
| 1043 | #undef EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 1044 | #undef EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL |
| 1045 | |
| 1046 | } // namespace interpreter |
| 1047 | } // namespace art |