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" |
| 18 | |
| 19 | namespace art { |
| 20 | namespace interpreter { |
| 21 | |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 22 | static void UnstartedRuntimeInvoke(Thread* self, MethodHelper& mh, |
| 23 | const DexFile::CodeItem* code_item, ShadowFrame* shadow_frame, |
| 24 | JValue* result, size_t arg_offset) |
| 25 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 26 | |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 27 | // Assign register 'src_reg' from shadow_frame to register 'dest_reg' into new_shadow_frame. |
| 28 | static inline void AssignRegister(ShadowFrame& new_shadow_frame, const ShadowFrame& shadow_frame, |
| 29 | size_t dest_reg, size_t src_reg) { |
| 30 | // If both register locations contains the same value, the register probably holds a reference. |
| 31 | int32_t src_value = shadow_frame.GetVReg(src_reg); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 32 | mirror::Object* o = shadow_frame.GetVRegReference<false>(src_reg); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 33 | if (src_value == reinterpret_cast<int32_t>(o)) { |
| 34 | new_shadow_frame.SetVRegReference(dest_reg, o); |
| 35 | } else { |
| 36 | new_shadow_frame.SetVReg(dest_reg, src_value); |
| 37 | } |
| 38 | } |
| 39 | |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 40 | template<bool is_range, bool do_assignability_check> |
| 41 | bool DoCall(ArtMethod* method, Object* receiver, Thread* self, ShadowFrame& shadow_frame, |
| 42 | const Instruction* inst, uint16_t inst_data, JValue* result) { |
| 43 | // Compute method information. |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 44 | MethodHelper mh(method); |
| 45 | const DexFile::CodeItem* code_item = mh.GetCodeItem(); |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 46 | 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] | 47 | uint16_t num_regs; |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 48 | if (LIKELY(code_item != NULL)) { |
| 49 | num_regs = code_item->registers_size_; |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 50 | DCHECK_EQ(num_ins, code_item->ins_size_); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 51 | } else { |
| 52 | DCHECK(method->IsNative() || method->IsProxyMethod()); |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 53 | num_regs = num_ins; |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 54 | } |
| 55 | |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 56 | // Allocate shadow frame on the stack. |
Mathieu Chartier | e861ebd | 2013-10-09 15:01:21 -0700 | [diff] [blame] | 57 | const char* old_cause = self->StartAssertNoThreadSuspension("DoCall"); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 58 | void* memory = alloca(ShadowFrame::ComputeSize(num_regs)); |
| 59 | ShadowFrame* new_shadow_frame(ShadowFrame::Create(num_regs, &shadow_frame, method, 0, memory)); |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 60 | |
| 61 | // Initialize new shadow frame. |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 62 | const size_t first_dest_reg = num_regs - num_ins; |
Jeff Hao | a3faaf4 | 2013-09-03 19:07:00 -0700 | [diff] [blame] | 63 | if (do_assignability_check) { |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 64 | // Slow path: we need to do runtime check on reference assignment. We need to load the shorty |
| 65 | // to get the exact type of each reference argument. |
| 66 | const DexFile::TypeList* params = mh.GetParameterTypeList(); |
| 67 | const char* shorty = mh.GetShorty(); |
| 68 | |
| 69 | // Handle receiver apart since it's not part of the shorty. |
| 70 | size_t dest_reg = first_dest_reg; |
| 71 | size_t arg_offset = 0; |
| 72 | if (receiver != NULL) { |
| 73 | DCHECK(!method->IsStatic()); |
| 74 | new_shadow_frame->SetVRegReference(dest_reg, receiver); |
| 75 | ++dest_reg; |
| 76 | ++arg_offset; |
| 77 | } else { |
| 78 | DCHECK(method->IsStatic()); |
| 79 | } |
| 80 | // TODO: find a cleaner way to separate non-range and range information without duplicating code. |
| 81 | uint32_t arg[5]; // only used in invoke-XXX. |
| 82 | uint32_t vregC; // only used in invoke-XXX-range. |
| 83 | if (is_range) { |
| 84 | vregC = inst->VRegC_3rc(); |
| 85 | } else { |
| 86 | inst->GetArgs(arg, inst_data); |
| 87 | } |
| 88 | for (size_t shorty_pos = 0; dest_reg < num_regs; ++shorty_pos, ++dest_reg, ++arg_offset) { |
| 89 | DCHECK_LT(shorty_pos + 1, mh.GetShortyLength()); |
| 90 | const size_t src_reg = (is_range) ? vregC + arg_offset : arg[arg_offset]; |
| 91 | switch (shorty[shorty_pos + 1]) { |
| 92 | case 'L': { |
| 93 | Object* o = shadow_frame.GetVRegReference(src_reg); |
| 94 | if (do_assignability_check && o != NULL) { |
| 95 | Class* arg_type = mh.GetClassFromTypeIdx(params->GetTypeItem(shorty_pos).type_idx_); |
| 96 | if (arg_type == NULL) { |
| 97 | CHECK(self->IsExceptionPending()); |
Mathieu Chartier | e861ebd | 2013-10-09 15:01:21 -0700 | [diff] [blame] | 98 | self->EndAssertNoThreadSuspension(old_cause); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 99 | return false; |
| 100 | } |
| 101 | if (!o->VerifierInstanceOf(arg_type)) { |
Mathieu Chartier | e861ebd | 2013-10-09 15:01:21 -0700 | [diff] [blame] | 102 | self->EndAssertNoThreadSuspension(old_cause); |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 103 | // This should never happen. |
| 104 | self->ThrowNewExceptionF(self->GetCurrentLocationForThrow(), |
| 105 | "Ljava/lang/VirtualMachineError;", |
| 106 | "Invoking %s with bad arg %d, type '%s' not instance of '%s'", |
| 107 | mh.GetName(), shorty_pos, |
| 108 | ClassHelper(o->GetClass()).GetDescriptor(), |
| 109 | ClassHelper(arg_type).GetDescriptor()); |
| 110 | return false; |
| 111 | } |
Jeff Hao | a3faaf4 | 2013-09-03 19:07:00 -0700 | [diff] [blame] | 112 | } |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 113 | new_shadow_frame->SetVRegReference(dest_reg, o); |
| 114 | break; |
Jeff Hao | a3faaf4 | 2013-09-03 19:07:00 -0700 | [diff] [blame] | 115 | } |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 116 | case 'J': case 'D': { |
| 117 | uint64_t wide_value = (static_cast<uint64_t>(shadow_frame.GetVReg(src_reg + 1)) << 32) | |
| 118 | static_cast<uint32_t>(shadow_frame.GetVReg(src_reg)); |
| 119 | new_shadow_frame->SetVRegLong(dest_reg, wide_value); |
| 120 | ++dest_reg; |
| 121 | ++arg_offset; |
| 122 | break; |
| 123 | } |
| 124 | default: |
| 125 | new_shadow_frame->SetVReg(dest_reg, shadow_frame.GetVReg(src_reg)); |
| 126 | break; |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 127 | } |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 128 | } |
| 129 | } else { |
| 130 | // Fast path: no extra checks. |
| 131 | if (is_range) { |
| 132 | const uint16_t first_src_reg = inst->VRegC_3rc(); |
| 133 | for (size_t src_reg = first_src_reg, dest_reg = first_dest_reg; dest_reg < num_regs; |
| 134 | ++dest_reg, ++src_reg) { |
| 135 | AssignRegister(*new_shadow_frame, shadow_frame, dest_reg, src_reg); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 136 | } |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 137 | } else { |
| 138 | DCHECK_LE(num_ins, 5U); |
| 139 | uint16_t regList = inst->Fetch16(2); |
| 140 | uint16_t count = num_ins; |
| 141 | if (count == 5) { |
| 142 | AssignRegister(*new_shadow_frame, shadow_frame, first_dest_reg + 4U, (inst_data >> 8) & 0x0f); |
| 143 | --count; |
| 144 | } |
| 145 | for (size_t arg_index = 0; arg_index < count; ++arg_index, regList >>= 4) { |
| 146 | AssignRegister(*new_shadow_frame, shadow_frame, first_dest_reg + arg_index, regList & 0x0f); |
| 147 | } |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 148 | } |
| 149 | } |
Mathieu Chartier | e861ebd | 2013-10-09 15:01:21 -0700 | [diff] [blame] | 150 | self->EndAssertNoThreadSuspension(old_cause); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 151 | |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 152 | // Do the call now. |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 153 | if (LIKELY(Runtime::Current()->IsStarted())) { |
| 154 | (method->GetEntryPointFromInterpreter())(self, mh, code_item, new_shadow_frame, result); |
| 155 | } else { |
Sebastien Hertz | 9ace87b | 2013-09-27 11:48:09 +0200 | [diff] [blame] | 156 | UnstartedRuntimeInvoke(self, mh, code_item, new_shadow_frame, result, first_dest_reg); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 157 | } |
| 158 | return !self->IsExceptionPending(); |
| 159 | } |
| 160 | |
| 161 | template <bool is_range, bool do_access_check> |
| 162 | bool DoFilledNewArray(const Instruction* inst, const ShadowFrame& shadow_frame, |
| 163 | Thread* self, JValue* result) { |
| 164 | DCHECK(inst->Opcode() == Instruction::FILLED_NEW_ARRAY || |
| 165 | inst->Opcode() == Instruction::FILLED_NEW_ARRAY_RANGE); |
| 166 | const int32_t length = is_range ? inst->VRegA_3rc() : inst->VRegA_35c(); |
| 167 | if (!is_range) { |
| 168 | // Checks FILLED_NEW_ARRAY's length does not exceed 5 arguments. |
| 169 | CHECK_LE(length, 5); |
| 170 | } |
| 171 | if (UNLIKELY(length < 0)) { |
| 172 | ThrowNegativeArraySizeException(length); |
| 173 | return false; |
| 174 | } |
| 175 | uint16_t type_idx = is_range ? inst->VRegB_3rc() : inst->VRegB_35c(); |
| 176 | Class* arrayClass = ResolveVerifyAndClinit(type_idx, shadow_frame.GetMethod(), |
| 177 | self, false, do_access_check); |
| 178 | if (UNLIKELY(arrayClass == NULL)) { |
| 179 | DCHECK(self->IsExceptionPending()); |
| 180 | return false; |
| 181 | } |
| 182 | CHECK(arrayClass->IsArrayClass()); |
| 183 | Class* componentClass = arrayClass->GetComponentType(); |
| 184 | if (UNLIKELY(componentClass->IsPrimitive() && !componentClass->IsPrimitiveInt())) { |
| 185 | if (componentClass->IsPrimitiveLong() || componentClass->IsPrimitiveDouble()) { |
| 186 | ThrowRuntimeException("Bad filled array request for type %s", |
| 187 | PrettyDescriptor(componentClass).c_str()); |
| 188 | } else { |
| 189 | self->ThrowNewExceptionF(shadow_frame.GetCurrentLocationForThrow(), |
| 190 | "Ljava/lang/InternalError;", |
Brian Carlstrom | 4fa0bcd | 2013-12-10 11:24:21 -0800 | [diff] [blame^] | 191 | "Found type %s; filled-new-array not implemented for anything but 'int'", |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 192 | PrettyDescriptor(componentClass).c_str()); |
| 193 | } |
| 194 | return false; |
| 195 | } |
Mathieu Chartier | cbb2d20 | 2013-11-14 17:45:16 -0800 | [diff] [blame] | 196 | Object* newArray = Array::Alloc<true>(self, arrayClass, length); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 197 | if (UNLIKELY(newArray == NULL)) { |
| 198 | DCHECK(self->IsExceptionPending()); |
| 199 | return false; |
| 200 | } |
| 201 | if (is_range) { |
| 202 | uint32_t vregC = inst->VRegC_3rc(); |
| 203 | const bool is_primitive_int_component = componentClass->IsPrimitiveInt(); |
| 204 | for (int32_t i = 0; i < length; ++i) { |
| 205 | if (is_primitive_int_component) { |
| 206 | newArray->AsIntArray()->Set(i, shadow_frame.GetVReg(vregC + i)); |
| 207 | } else { |
| 208 | newArray->AsObjectArray<Object>()->Set(i, shadow_frame.GetVRegReference(vregC + i)); |
| 209 | } |
| 210 | } |
| 211 | } else { |
| 212 | uint32_t arg[5]; |
| 213 | inst->GetArgs(arg); |
| 214 | const bool is_primitive_int_component = componentClass->IsPrimitiveInt(); |
| 215 | for (int32_t i = 0; i < length; ++i) { |
| 216 | if (is_primitive_int_component) { |
| 217 | newArray->AsIntArray()->Set(i, shadow_frame.GetVReg(arg[i])); |
| 218 | } else { |
| 219 | newArray->AsObjectArray<Object>()->Set(i, shadow_frame.GetVRegReference(arg[i])); |
| 220 | } |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | result->SetL(newArray); |
| 225 | return true; |
| 226 | } |
| 227 | |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 228 | static void UnstartedRuntimeInvoke(Thread* self, MethodHelper& mh, |
| 229 | const DexFile::CodeItem* code_item, ShadowFrame* shadow_frame, |
| 230 | JValue* result, size_t arg_offset) { |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 231 | // In a runtime that's not started we intercept certain methods to avoid complicated dependency |
| 232 | // problems in core libraries. |
| 233 | std::string name(PrettyMethod(shadow_frame->GetMethod())); |
Kenny Root | fa31b3c | 2013-12-09 13:51:32 -0800 | [diff] [blame] | 234 | if (name == "java.lang.Class java.lang.Class.forName(java.lang.String)" |
| 235 | || name == "java.lang.Class java.lang.VMClassLoader.loadClass(java.lang.String, boolean)") { |
| 236 | // TODO Class#forName should actually call Class::EnsureInitialized always. Support for the |
| 237 | // other variants that take more arguments should also be added. |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 238 | std::string descriptor(DotToDescriptor(shadow_frame->GetVRegReference(arg_offset)->AsString()->ToModifiedUtf8().c_str())); |
Mathieu Chartier | 590fee9 | 2013-09-13 13:46:47 -0700 | [diff] [blame] | 239 | |
| 240 | SirtRef<ClassLoader> class_loader(self, nullptr); // shadow_frame.GetMethod()->GetDeclaringClass()->GetClassLoader(); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 241 | Class* found = Runtime::Current()->GetClassLinker()->FindClass(descriptor.c_str(), |
| 242 | class_loader); |
| 243 | CHECK(found != NULL) << "Class.forName failed in un-started runtime for class: " |
| 244 | << PrettyDescriptor(descriptor); |
| 245 | result->SetL(found); |
Kenny Root | fa31b3c | 2013-12-09 13:51:32 -0800 | [diff] [blame] | 246 | } else if (name == "java.lang.Class java.lang.VMClassLoader.findLoadedClass(java.lang.ClassLoader, java.lang.String)") { |
| 247 | SirtRef<ClassLoader> class_loader(self, down_cast<mirror::ClassLoader*>(shadow_frame->GetVRegReference(arg_offset))); |
| 248 | std::string descriptor(DotToDescriptor(shadow_frame->GetVRegReference(arg_offset + 1)->AsString()->ToModifiedUtf8().c_str())); |
| 249 | |
| 250 | Class* found = Runtime::Current()->GetClassLinker()->FindClass(descriptor.c_str(), |
| 251 | class_loader); |
| 252 | result->SetL(found); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 253 | } else if (name == "java.lang.Object java.lang.Class.newInstance()") { |
| 254 | Class* klass = shadow_frame->GetVRegReference(arg_offset)->AsClass(); |
| 255 | ArtMethod* c = klass->FindDeclaredDirectMethod("<init>", "()V"); |
| 256 | CHECK(c != NULL); |
| 257 | SirtRef<Object> obj(self, klass->AllocObject(self)); |
| 258 | CHECK(obj.get() != NULL); |
| 259 | EnterInterpreterFromInvoke(self, c, obj.get(), NULL, NULL); |
| 260 | result->SetL(obj.get()); |
| 261 | } else if (name == "java.lang.reflect.Field java.lang.Class.getDeclaredField(java.lang.String)") { |
| 262 | // Special managed code cut-out to allow field lookup in a un-started runtime that'd fail |
| 263 | // going the reflective Dex way. |
| 264 | Class* klass = shadow_frame->GetVRegReference(arg_offset)->AsClass(); |
| 265 | String* name = shadow_frame->GetVRegReference(arg_offset + 1)->AsString(); |
| 266 | ArtField* found = NULL; |
| 267 | FieldHelper fh; |
| 268 | ObjectArray<ArtField>* fields = klass->GetIFields(); |
| 269 | for (int32_t i = 0; i < fields->GetLength() && found == NULL; ++i) { |
| 270 | ArtField* f = fields->Get(i); |
| 271 | fh.ChangeField(f); |
| 272 | if (name->Equals(fh.GetName())) { |
| 273 | found = f; |
| 274 | } |
| 275 | } |
| 276 | if (found == NULL) { |
| 277 | fields = klass->GetSFields(); |
| 278 | for (int32_t i = 0; i < fields->GetLength() && found == NULL; ++i) { |
| 279 | ArtField* f = fields->Get(i); |
| 280 | fh.ChangeField(f); |
| 281 | if (name->Equals(fh.GetName())) { |
| 282 | found = f; |
| 283 | } |
| 284 | } |
| 285 | } |
| 286 | CHECK(found != NULL) |
| 287 | << "Failed to find field in Class.getDeclaredField in un-started runtime. name=" |
| 288 | << name->ToModifiedUtf8() << " class=" << PrettyDescriptor(klass); |
| 289 | // TODO: getDeclaredField calls GetType once the field is found to ensure a |
| 290 | // NoClassDefFoundError is thrown if the field's type cannot be resolved. |
| 291 | Class* jlr_Field = self->DecodeJObject(WellKnownClasses::java_lang_reflect_Field)->AsClass(); |
Mathieu Chartier | cbb2d20 | 2013-11-14 17:45:16 -0800 | [diff] [blame] | 292 | SirtRef<Object> field(self, jlr_Field->AllocNonMovableObject(self)); |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 293 | CHECK(field.get() != NULL); |
| 294 | ArtMethod* c = jlr_Field->FindDeclaredDirectMethod("<init>", "(Ljava/lang/reflect/ArtField;)V"); |
| 295 | uint32_t args[1]; |
| 296 | args[0] = reinterpret_cast<uint32_t>(found); |
| 297 | EnterInterpreterFromInvoke(self, c, field.get(), args, NULL); |
| 298 | result->SetL(field.get()); |
| 299 | } else if (name == "void java.lang.System.arraycopy(java.lang.Object, int, java.lang.Object, int, int)" || |
| 300 | name == "void java.lang.System.arraycopy(char[], int, char[], int, int)") { |
| 301 | // Special case array copying without initializing System. |
| 302 | Class* ctype = shadow_frame->GetVRegReference(arg_offset)->GetClass()->GetComponentType(); |
| 303 | jint srcPos = shadow_frame->GetVReg(arg_offset + 1); |
| 304 | jint dstPos = shadow_frame->GetVReg(arg_offset + 3); |
| 305 | jint length = shadow_frame->GetVReg(arg_offset + 4); |
| 306 | if (!ctype->IsPrimitive()) { |
| 307 | ObjectArray<Object>* src = shadow_frame->GetVRegReference(arg_offset)->AsObjectArray<Object>(); |
| 308 | ObjectArray<Object>* dst = shadow_frame->GetVRegReference(arg_offset + 2)->AsObjectArray<Object>(); |
| 309 | for (jint i = 0; i < length; ++i) { |
| 310 | dst->Set(dstPos + i, src->Get(srcPos + i)); |
| 311 | } |
| 312 | } else if (ctype->IsPrimitiveChar()) { |
| 313 | CharArray* src = shadow_frame->GetVRegReference(arg_offset)->AsCharArray(); |
| 314 | CharArray* dst = shadow_frame->GetVRegReference(arg_offset + 2)->AsCharArray(); |
| 315 | for (jint i = 0; i < length; ++i) { |
| 316 | dst->Set(dstPos + i, src->Get(srcPos + i)); |
| 317 | } |
| 318 | } else if (ctype->IsPrimitiveInt()) { |
| 319 | IntArray* src = shadow_frame->GetVRegReference(arg_offset)->AsIntArray(); |
| 320 | IntArray* dst = shadow_frame->GetVRegReference(arg_offset + 2)->AsIntArray(); |
| 321 | for (jint i = 0; i < length; ++i) { |
| 322 | dst->Set(dstPos + i, src->Get(srcPos + i)); |
| 323 | } |
| 324 | } else { |
| 325 | UNIMPLEMENTED(FATAL) << "System.arraycopy of unexpected type: " << PrettyDescriptor(ctype); |
| 326 | } |
| 327 | } else { |
| 328 | // Not special, continue with regular interpreter execution. |
| 329 | artInterpreterToInterpreterBridge(self, mh, code_item, shadow_frame, result); |
| 330 | } |
| 331 | } |
| 332 | |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 333 | // Explicit DoCall template function declarations. |
Sebastien Hertz | c671485 | 2013-09-30 16:42:32 +0200 | [diff] [blame] | 334 | #define EXPLICIT_DO_CALL_TEMPLATE_DECL(_is_range, _do_assignability_check) \ |
| 335 | template SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) \ |
| 336 | bool DoCall<_is_range, _do_assignability_check>(ArtMethod* method, Object* receiver, \ |
| 337 | Thread* self, ShadowFrame& shadow_frame, \ |
| 338 | const Instruction* inst, uint16_t inst_data, \ |
| 339 | JValue* result) |
Sebastien Hertz | c61124b | 2013-09-10 11:44:19 +0200 | [diff] [blame] | 340 | EXPLICIT_DO_CALL_TEMPLATE_DECL(false, false); |
| 341 | EXPLICIT_DO_CALL_TEMPLATE_DECL(false, true); |
| 342 | EXPLICIT_DO_CALL_TEMPLATE_DECL(true, false); |
| 343 | EXPLICIT_DO_CALL_TEMPLATE_DECL(true, true); |
| 344 | #undef EXPLICIT_DO_CALL_TEMPLATE_DECL |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 345 | |
| 346 | // Explicit DoFilledNewArray template function declarations. |
| 347 | #define EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(_is_range_, _check) \ |
Sebastien Hertz | c671485 | 2013-09-30 16:42:32 +0200 | [diff] [blame] | 348 | template SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) \ |
| 349 | bool DoFilledNewArray<_is_range_, _check>(const Instruction* inst, \ |
Sebastien Hertz | 8ece050 | 2013-08-07 11:26:41 +0200 | [diff] [blame] | 350 | const ShadowFrame& shadow_frame, \ |
| 351 | Thread* self, JValue* result) |
| 352 | EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, false); |
| 353 | EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, true); |
| 354 | EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, false); |
| 355 | EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, true); |
| 356 | #undef EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL |
| 357 | |
| 358 | } // namespace interpreter |
| 359 | } // namespace art |