| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "interpreter.h" |
| |
| #include <math.h> |
| |
| #include "base/logging.h" |
| #include "class_linker-inl.h" |
| #include "common_throws.h" |
| #include "debugger.h" |
| #include "dex_instruction.h" |
| #include "gc/card_table-inl.h" |
| #include "invoke_arg_array_builder.h" |
| #include "nth_caller_visitor.h" |
| #include "mirror/class.h" |
| #include "mirror/class-inl.h" |
| #include "mirror/field-inl.h" |
| #include "mirror/abstract_method.h" |
| #include "mirror/abstract_method-inl.h" |
| #include "mirror/object-inl.h" |
| #include "mirror/object_array-inl.h" |
| #include "object_utils.h" |
| #include "runtime_support.h" |
| #include "ScopedLocalRef.h" |
| #include "scoped_thread_state_change.h" |
| #include "thread.h" |
| |
| using namespace art::mirror; |
| |
| namespace art { |
| namespace interpreter { |
| |
| static const int32_t kMaxInt = std::numeric_limits<int32_t>::max(); |
| static const int32_t kMinInt = std::numeric_limits<int32_t>::min(); |
| static const int64_t kMaxLong = std::numeric_limits<int64_t>::max(); |
| static const int64_t kMinLong = std::numeric_limits<int64_t>::min(); |
| |
| static JDWP::FrameId throw_frame_id_ = 0; |
| static AbstractMethod* throw_method_ = NULL; |
| static uint32_t throw_dex_pc_ = 0; |
| |
| static void UnstartedRuntimeInvoke(Thread* self, AbstractMethod* target_method, |
| Object* receiver, JValue* args, JValue* result) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| // In a runtime that's not started we intercept certain methods to avoid complicated dependency |
| // problems in core libraries. |
| std::string name(PrettyMethod(target_method)); |
| if (name == "java.lang.Class java.lang.Class.forName(java.lang.String)") { |
| std::string descriptor(DotToDescriptor(args[0].GetL()->AsString()->ToModifiedUtf8().c_str())); |
| ClassLoader* class_loader = NULL; // shadow_frame.GetMethod()->GetDeclaringClass()->GetClassLoader(); |
| Class* found = Runtime::Current()->GetClassLinker()->FindClass(descriptor.c_str(), |
| class_loader); |
| CHECK(found != NULL) << "Class.forName failed in un-started runtime for class: " |
| << PrettyDescriptor(descriptor); |
| result->SetL(found); |
| } else if (name == "java.lang.Object java.lang.Class.newInstance()") { |
| Class* klass = receiver->AsClass(); |
| AbstractMethod* c = klass->FindDeclaredDirectMethod("<init>", "()V"); |
| CHECK(c != NULL); |
| Object* obj = klass->AllocObject(self); |
| CHECK(obj != NULL); |
| EnterInterpreterFromInvoke(self, c, obj, NULL, NULL); |
| result->SetL(obj); |
| } else if (name == "java.lang.reflect.Field java.lang.Class.getDeclaredField(java.lang.String)") { |
| // Special managed code cut-out to allow field lookup in a un-started runtime that'd fail |
| // going the reflective Dex way. |
| Class* klass = receiver->AsClass(); |
| String* name = args[0].GetL()->AsString(); |
| Field* found = NULL; |
| FieldHelper fh; |
| ObjectArray<Field>* fields = klass->GetIFields(); |
| for (int32_t i = 0; i < fields->GetLength() && found == NULL; ++i) { |
| Field* f = fields->Get(i); |
| fh.ChangeField(f); |
| if (name->Equals(fh.GetName())) { |
| found = f; |
| } |
| } |
| if (found == NULL) { |
| fields = klass->GetSFields(); |
| for (int32_t i = 0; i < fields->GetLength() && found == NULL; ++i) { |
| Field* f = fields->Get(i); |
| fh.ChangeField(f); |
| if (name->Equals(fh.GetName())) { |
| found = f; |
| } |
| } |
| } |
| CHECK(found != NULL) |
| << "Failed to find field in Class.getDeclaredField in un-started runtime. name=" |
| << name->ToModifiedUtf8() << " class=" << PrettyDescriptor(klass); |
| // TODO: getDeclaredField calls GetType once the field is found to ensure a |
| // NoClassDefFoundError is thrown if the field's type cannot be resolved. |
| result->SetL(found); |
| } else if (name == "void java.lang.System.arraycopy(java.lang.Object, int, java.lang.Object, int, int)") { |
| // Special case array copying without initializing System. |
| Class* ctype = args[0].GetL()->GetClass()->GetComponentType(); |
| jint srcPos = args[1].GetI(); |
| jint dstPos = args[3].GetI(); |
| jint length = args[4].GetI(); |
| if (!ctype->IsPrimitive()) { |
| ObjectArray<Object>* src = args[0].GetL()->AsObjectArray<Object>(); |
| ObjectArray<Object>* dst = args[2].GetL()->AsObjectArray<Object>(); |
| for (jint i = 0; i < length; ++i) { |
| dst->Set(dstPos + i, src->Get(srcPos + i)); |
| } |
| } else if (ctype->IsPrimitiveChar()) { |
| CharArray* src = args[0].GetL()->AsCharArray(); |
| CharArray* dst = args[2].GetL()->AsCharArray(); |
| for (jint i = 0; i < length; ++i) { |
| dst->Set(dstPos + i, src->Get(srcPos + i)); |
| } |
| } else if (ctype->IsPrimitiveInt()) { |
| IntArray* src = args[0].GetL()->AsIntArray(); |
| IntArray* dst = args[2].GetL()->AsIntArray(); |
| for (jint i = 0; i < length; ++i) { |
| dst->Set(dstPos + i, src->Get(srcPos + i)); |
| } |
| } else { |
| UNIMPLEMENTED(FATAL) << "System.arraycopy of unexpected type: " << PrettyDescriptor(ctype); |
| } |
| } else { |
| // Not special, continue with regular interpreter execution. |
| EnterInterpreterFromInvoke(self, target_method, receiver, args, result); |
| } |
| } |
| |
| // Hand select a number of methods to be run in a not yet started runtime without using JNI. |
| static void UnstartedRuntimeJni(Thread* self, AbstractMethod* method, |
| Object* receiver, JValue* args, JValue* result) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| std::string name(PrettyMethod(method)); |
| if (name == "java.lang.ClassLoader dalvik.system.VMStack.getCallingClassLoader()") { |
| result->SetL(NULL); |
| } else if (name == "java.lang.Class dalvik.system.VMStack.getStackClass2()") { |
| NthCallerVisitor visitor(self, 3); |
| visitor.WalkStack(); |
| result->SetL(visitor.caller->GetDeclaringClass()); |
| } else if (name == "double java.lang.Math.log(double)") { |
| result->SetD(log(args[0].GetD())); |
| } else if (name == "java.lang.String java.lang.Class.getNameNative()") { |
| result->SetL(receiver->AsClass()->ComputeName()); |
| } else if (name == "int java.lang.Float.floatToRawIntBits(float)") { |
| result->SetI(args[0].GetI()); |
| } else if (name == "float java.lang.Float.intBitsToFloat(int)") { |
| result->SetF(args[0].GetF()); |
| } else if (name == "double java.lang.Math.exp(double)") { |
| result->SetD(exp(args[0].GetD())); |
| } else if (name == "java.lang.Object java.lang.Object.internalClone()") { |
| result->SetL(receiver->Clone(self)); |
| } else if (name == "void java.lang.Object.notifyAll()") { |
| receiver->NotifyAll(self); |
| } else if (name == "int java.lang.String.compareTo(java.lang.String)") { |
| String* rhs = args[0].GetL()->AsString(); |
| CHECK(rhs != NULL); |
| result->SetI(receiver->AsString()->CompareTo(rhs)); |
| } else if (name == "java.lang.String java.lang.String.intern()") { |
| result->SetL(receiver->AsString()->Intern()); |
| } else if (name == "int java.lang.String.fastIndexOf(int, int)") { |
| result->SetI(receiver->AsString()->FastIndexOf(args[0].GetI(), args[1].GetI())); |
| } else if (name == "java.lang.Object java.lang.reflect.Array.createMultiArray(java.lang.Class, int[])") { |
| result->SetL(Array::CreateMultiArray(self, args[0].GetL()->AsClass(), args[1].GetL()->AsIntArray())); |
| } else if (name == "java.lang.Object java.lang.Throwable.nativeFillInStackTrace()") { |
| ScopedObjectAccessUnchecked soa(self); |
| result->SetL(soa.Decode<Object*>(self->CreateInternalStackTrace(soa))); |
| } else if (name == "boolean java.nio.ByteOrder.isLittleEndian()") { |
| result->SetJ(JNI_TRUE); |
| } else if (name == "boolean sun.misc.Unsafe.compareAndSwapInt(java.lang.Object, long, int, int)") { |
| Object* obj = args[0].GetL(); |
| jlong offset = args[1].GetJ(); |
| jint expectedValue = args[2].GetI(); |
| jint newValue = args[3].GetI(); |
| byte* raw_addr = reinterpret_cast<byte*>(obj) + offset; |
| volatile int32_t* address = reinterpret_cast<volatile int32_t*>(raw_addr); |
| // Note: android_atomic_release_cas() returns 0 on success, not failure. |
| int r = android_atomic_release_cas(expectedValue, newValue, address); |
| result->SetZ(r == 0); |
| } else if (name == "void sun.misc.Unsafe.putObject(java.lang.Object, long, java.lang.Object)") { |
| Object* obj = args[0].GetL(); |
| Object* newValue = args[2].GetL(); |
| obj->SetFieldObject(MemberOffset(args[1].GetJ()), newValue, false); |
| } else { |
| LOG(FATAL) << "Attempt to invoke native method in non-started runtime: " << name; |
| } |
| } |
| |
| static void InterpreterJni(Thread* self, AbstractMethod* method, StringPiece shorty, |
| Object* receiver, JValue* args, JValue* result) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| // TODO: The following enters JNI code using a typedef-ed function rather than the JNI compiler, |
| // it should be removed and JNI compiled stubs used instead. |
| ScopedObjectAccessUnchecked soa(self); |
| if (method->IsStatic()) { |
| if (shorty == "L") { |
| typedef jobject (fnptr)(JNIEnv*, jclass); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| jobject jresult; |
| { |
| ScopedThreadStateChange tsc(self, kNative); |
| jresult = fn(soa.Env(), klass.get()); |
| } |
| result->SetL(soa.Decode<Object*>(jresult)); |
| } else if (shorty == "V") { |
| typedef void (fnptr)(JNIEnv*, jclass); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedThreadStateChange tsc(self, kNative); |
| fn(soa.Env(), klass.get()); |
| } else if (shorty == "Z") { |
| typedef jboolean (fnptr)(JNIEnv*, jclass); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedThreadStateChange tsc(self, kNative); |
| result->SetZ(fn(soa.Env(), klass.get())); |
| } else if (shorty == "BI") { |
| typedef jbyte (fnptr)(JNIEnv*, jclass, jint); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedThreadStateChange tsc(self, kNative); |
| result->SetB(fn(soa.Env(), klass.get(), args[0].GetI())); |
| } else if (shorty == "II") { |
| typedef jint (fnptr)(JNIEnv*, jclass, jint); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedThreadStateChange tsc(self, kNative); |
| result->SetI(fn(soa.Env(), klass.get(), args[0].GetI())); |
| } else if (shorty == "LL") { |
| typedef jobject (fnptr)(JNIEnv*, jclass, jobject); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedLocalRef<jobject> arg0(soa.Env(), |
| soa.AddLocalReference<jobject>(args[0].GetL())); |
| jobject jresult; |
| { |
| ScopedThreadStateChange tsc(self, kNative); |
| jresult = fn(soa.Env(), klass.get(), arg0.get()); |
| } |
| result->SetL(soa.Decode<Object*>(jresult)); |
| } else if (shorty == "IIZ") { |
| typedef jint (fnptr)(JNIEnv*, jclass, jint, jboolean); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedThreadStateChange tsc(self, kNative); |
| result->SetI(fn(soa.Env(), klass.get(), args[0].GetI(), args[1].GetZ())); |
| } else if (shorty == "ILI") { |
| typedef jint (fnptr)(JNIEnv*, jclass, jobject, jint); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedLocalRef<jobject> arg0(soa.Env(), |
| soa.AddLocalReference<jobject>(args[0].GetL())); |
| ScopedThreadStateChange tsc(self, kNative); |
| result->SetI(fn(soa.Env(), klass.get(), arg0.get(), args[1].GetI())); |
| } else if (shorty == "SIZ") { |
| typedef jshort (fnptr)(JNIEnv*, jclass, jint, jboolean); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedThreadStateChange tsc(self, kNative); |
| result->SetS(fn(soa.Env(), klass.get(), args[0].GetI(), args[1].GetZ())); |
| } else if (shorty == "VIZ") { |
| typedef void (fnptr)(JNIEnv*, jclass, jint, jboolean); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedThreadStateChange tsc(self, kNative); |
| fn(soa.Env(), klass.get(), args[0].GetI(), args[1].GetZ()); |
| } else if (shorty == "ZLL") { |
| typedef jboolean (fnptr)(JNIEnv*, jclass, jobject, jobject); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedLocalRef<jobject> arg0(soa.Env(), |
| soa.AddLocalReference<jobject>(args[0].GetL())); |
| ScopedLocalRef<jobject> arg1(soa.Env(), |
| soa.AddLocalReference<jobject>(args[1].GetL())); |
| ScopedThreadStateChange tsc(self, kNative); |
| result->SetZ(fn(soa.Env(), klass.get(), arg0.get(), arg1.get())); |
| } else if (shorty == "ZILL") { |
| typedef jboolean (fnptr)(JNIEnv*, jclass, jint, jobject, jobject); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedLocalRef<jobject> arg1(soa.Env(), |
| soa.AddLocalReference<jobject>(args[1].GetL())); |
| ScopedLocalRef<jobject> arg2(soa.Env(), |
| soa.AddLocalReference<jobject>(args[2].GetL())); |
| ScopedThreadStateChange tsc(self, kNative); |
| result->SetZ(fn(soa.Env(), klass.get(), args[0].GetI(), arg1.get(), arg2.get())); |
| } else if (shorty == "VILII") { |
| typedef void (fnptr)(JNIEnv*, jclass, jint, jobject, jint, jint); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedLocalRef<jobject> arg1(soa.Env(), |
| soa.AddLocalReference<jobject>(args[1].GetL())); |
| ScopedThreadStateChange tsc(self, kNative); |
| fn(soa.Env(), klass.get(), args[0].GetI(), arg1.get(), args[2].GetI(), args[3].GetI()); |
| } else if (shorty == "VLILII") { |
| typedef void (fnptr)(JNIEnv*, jclass, jobject, jint, jobject, jint, jint); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jclass> klass(soa.Env(), |
| soa.AddLocalReference<jclass>(method->GetDeclaringClass())); |
| ScopedLocalRef<jobject> arg0(soa.Env(), |
| soa.AddLocalReference<jobject>(args[0].GetL())); |
| ScopedLocalRef<jobject> arg2(soa.Env(), |
| soa.AddLocalReference<jobject>(args[2].GetL())); |
| ScopedThreadStateChange tsc(self, kNative); |
| fn(soa.Env(), klass.get(), arg0.get(), args[1].GetI(), arg2.get(), args[3].GetI(), |
| args[4].GetI()); |
| } else { |
| LOG(FATAL) << "Do something with static native method: " << PrettyMethod(method) |
| << " shorty: " << shorty; |
| } |
| } else { |
| if (shorty == "L") { |
| typedef jobject (fnptr)(JNIEnv*, jobject); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jobject> rcvr(soa.Env(), |
| soa.AddLocalReference<jobject>(receiver)); |
| jobject jresult; |
| { |
| ScopedThreadStateChange tsc(self, kNative); |
| jresult = fn(soa.Env(), rcvr.get()); |
| } |
| result->SetL(soa.Decode<Object*>(jresult)); |
| } else if (shorty == "LL") { |
| typedef jobject (fnptr)(JNIEnv*, jobject, jobject); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jobject> rcvr(soa.Env(), |
| soa.AddLocalReference<jobject>(receiver)); |
| ScopedLocalRef<jobject> arg0(soa.Env(), |
| soa.AddLocalReference<jobject>(args[0].GetL())); |
| jobject jresult; |
| { |
| ScopedThreadStateChange tsc(self, kNative); |
| jresult = fn(soa.Env(), rcvr.get(), arg0.get()); |
| |
| } |
| result->SetL(soa.Decode<Object*>(jresult)); |
| ScopedThreadStateChange tsc(self, kNative); |
| } else if (shorty == "III") { |
| typedef jint (fnptr)(JNIEnv*, jobject, jint, jint); |
| fnptr* fn = reinterpret_cast<fnptr*>(method->GetNativeMethod()); |
| ScopedLocalRef<jobject> rcvr(soa.Env(), |
| soa.AddLocalReference<jobject>(receiver)); |
| ScopedThreadStateChange tsc(self, kNative); |
| result->SetI(fn(soa.Env(), rcvr.get(), args[0].GetI(), args[1].GetI())); |
| } else { |
| LOG(FATAL) << "Do something with native method: " << PrettyMethod(method) |
| << " shorty: " << shorty; |
| } |
| } |
| } |
| |
| static void DoMonitorEnter(Thread* self, Object* ref) NO_THREAD_SAFETY_ANALYSIS { |
| ref->MonitorEnter(self); |
| } |
| |
| static void DoMonitorExit(Thread* self, Object* ref) NO_THREAD_SAFETY_ANALYSIS { |
| ref->MonitorExit(self); |
| } |
| |
| static void DoInvoke(Thread* self, MethodHelper& mh, ShadowFrame& shadow_frame, |
| const DecodedInstruction& dec_insn, InvokeType type, bool is_range, |
| JValue* result) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| Object* receiver; |
| if (type == kStatic) { |
| receiver = NULL; |
| } else { |
| receiver = shadow_frame.GetVRegReference(dec_insn.vC); |
| } |
| uint32_t method_idx = dec_insn.vB; |
| AbstractMethod* target_method = FindMethodFromCode(method_idx, receiver, |
| shadow_frame.GetMethod(), self, true, |
| type); |
| if (UNLIKELY(target_method == NULL)) { |
| CHECK(self->IsExceptionPending()); |
| result->SetJ(0); |
| return; |
| } |
| mh.ChangeMethod(target_method); |
| ArgArray arg_array(mh.GetShorty(), mh.GetShortyLength()); |
| if (is_range) { |
| arg_array.BuildArgArray(shadow_frame, dec_insn.vC + (type != kStatic ? 1 : 0)); |
| } else { |
| arg_array.BuildArgArray(shadow_frame, dec_insn.arg + (type != kStatic ? 1 : 0)); |
| } |
| if (LIKELY(Runtime::Current()->IsStarted())) { |
| target_method->Invoke(self, receiver, arg_array.get(), result); |
| } else { |
| UnstartedRuntimeInvoke(self, target_method, receiver, arg_array.get(), result); |
| } |
| mh.ChangeMethod(shadow_frame.GetMethod()); |
| } |
| |
| static void DoFieldGet(Thread* self, ShadowFrame& shadow_frame, |
| const DecodedInstruction& dec_insn, FindFieldType find_type, |
| Primitive::Type field_type) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| bool is_static = (find_type == StaticObjectRead) || (find_type == StaticPrimitiveRead); |
| uint32_t field_idx = is_static ? dec_insn.vB : dec_insn.vC; |
| Field* f = FindFieldFromCode(field_idx, shadow_frame.GetMethod(), self, |
| find_type, Primitive::FieldSize(field_type)); |
| if (LIKELY(f != NULL)) { |
| Object* obj; |
| if (is_static) { |
| obj = f->GetDeclaringClass(); |
| } else { |
| obj = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(obj == NULL)) { |
| ThrowNullPointerExceptionForFieldAccess(f, true); |
| return; |
| } |
| } |
| switch (field_type) { |
| case Primitive::kPrimBoolean: |
| shadow_frame.SetVReg(dec_insn.vA, f->GetBoolean(obj)); |
| break; |
| case Primitive::kPrimByte: |
| shadow_frame.SetVReg(dec_insn.vA, f->GetByte(obj)); |
| break; |
| case Primitive::kPrimChar: |
| shadow_frame.SetVReg(dec_insn.vA, f->GetChar(obj)); |
| break; |
| case Primitive::kPrimShort: |
| shadow_frame.SetVReg(dec_insn.vA, f->GetShort(obj)); |
| break; |
| case Primitive::kPrimInt: |
| shadow_frame.SetVReg(dec_insn.vA, f->GetInt(obj)); |
| break; |
| case Primitive::kPrimLong: |
| shadow_frame.SetVRegLong(dec_insn.vA, f->GetLong(obj)); |
| break; |
| case Primitive::kPrimNot: |
| shadow_frame.SetVRegReference(dec_insn.vA, f->GetObject(obj)); |
| break; |
| default: |
| LOG(FATAL) << "Unreachable: " << field_type; |
| } |
| } |
| } |
| |
| static void DoFieldPut(Thread* self, ShadowFrame& shadow_frame, |
| const DecodedInstruction& dec_insn, FindFieldType find_type, |
| Primitive::Type field_type) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| bool is_static = (find_type == StaticObjectWrite) || (find_type == StaticPrimitiveWrite); |
| uint32_t field_idx = is_static ? dec_insn.vB : dec_insn.vC; |
| Field* f = FindFieldFromCode(field_idx, shadow_frame.GetMethod(), self, |
| find_type, Primitive::FieldSize(field_type)); |
| if (LIKELY(f != NULL)) { |
| Object* obj; |
| if (is_static) { |
| obj = f->GetDeclaringClass(); |
| } else { |
| obj = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(obj == NULL)) { |
| ThrowNullPointerExceptionForFieldAccess(f, false); |
| return; |
| } |
| } |
| switch (field_type) { |
| case Primitive::kPrimBoolean: |
| f->SetBoolean(obj, shadow_frame.GetVReg(dec_insn.vA)); |
| break; |
| case Primitive::kPrimByte: |
| f->SetByte(obj, shadow_frame.GetVReg(dec_insn.vA)); |
| break; |
| case Primitive::kPrimChar: |
| f->SetChar(obj, shadow_frame.GetVReg(dec_insn.vA)); |
| break; |
| case Primitive::kPrimShort: |
| f->SetShort(obj, shadow_frame.GetVReg(dec_insn.vA)); |
| break; |
| case Primitive::kPrimInt: |
| f->SetInt(obj, shadow_frame.GetVReg(dec_insn.vA)); |
| break; |
| case Primitive::kPrimLong: |
| f->SetLong(obj, shadow_frame.GetVRegLong(dec_insn.vA)); |
| break; |
| case Primitive::kPrimNot: |
| f->SetObj(obj, shadow_frame.GetVRegReference(dec_insn.vA)); |
| break; |
| default: |
| LOG(FATAL) << "Unreachable: " << field_type; |
| } |
| } |
| } |
| |
| static void DoIntDivide(Thread* self, ShadowFrame& shadow_frame, size_t result_reg, |
| int32_t dividend, int32_t divisor) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| if (UNLIKELY(divisor == 0)) { |
| self->ThrowNewException("Ljava/lang/ArithmeticException;", "divide by zero"); |
| } else if (UNLIKELY(dividend == kMinInt && divisor == -1)) { |
| shadow_frame.SetVReg(result_reg, kMinInt); |
| } else { |
| shadow_frame.SetVReg(result_reg, dividend / divisor); |
| } |
| } |
| |
| static void DoIntRemainder(Thread* self, ShadowFrame& shadow_frame, size_t result_reg, |
| int32_t dividend, int32_t divisor) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| if (UNLIKELY(divisor == 0)) { |
| self->ThrowNewException("Ljava/lang/ArithmeticException;", "divide by zero"); |
| } else if (UNLIKELY(dividend == kMinInt && divisor == -1)) { |
| shadow_frame.SetVReg(result_reg, 0); |
| } else { |
| shadow_frame.SetVReg(result_reg, dividend % divisor); |
| } |
| } |
| |
| static void DoLongDivide(Thread* self, ShadowFrame& shadow_frame, size_t result_reg, |
| int64_t dividend, int64_t divisor) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| if (UNLIKELY(divisor == 0)) { |
| self->ThrowNewException("Ljava/lang/ArithmeticException;", "divide by zero"); |
| } else if (UNLIKELY(dividend == kMinLong && divisor == -1)) { |
| shadow_frame.SetVRegLong(result_reg, kMinLong); |
| } else { |
| shadow_frame.SetVRegLong(result_reg, dividend / divisor); |
| } |
| } |
| |
| static void DoLongRemainder(Thread* self, ShadowFrame& shadow_frame, size_t result_reg, |
| int64_t dividend, int64_t divisor) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| if (UNLIKELY(divisor == 0)) { |
| self->ThrowNewException("Ljava/lang/ArithmeticException;", "divide by zero"); |
| } else if (UNLIKELY(dividend == kMinLong && divisor == -1)) { |
| shadow_frame.SetVRegLong(result_reg, 0); |
| } else { |
| shadow_frame.SetVRegLong(result_reg, dividend % divisor); |
| } |
| } |
| |
| static JValue Execute(Thread* self, MethodHelper& mh, const DexFile::CodeItem* code_item, |
| ShadowFrame& shadow_frame, JValue result_register) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| const uint16_t* insns = code_item->insns_; |
| const Instruction* inst = Instruction::At(insns + shadow_frame.GetDexPC()); |
| bool entry = (inst->GetDexPc(insns) == 0); |
| while (true) { |
| CheckSuspend(self); |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| shadow_frame.SetDexPC(dex_pc); |
| if (entry) { |
| Dbg::UpdateDebugger(-1, self); |
| } |
| entry = false; |
| Dbg::UpdateDebugger(dex_pc, self); |
| DecodedInstruction dec_insn(inst); |
| const bool kTracing = false; |
| if (kTracing) { |
| LOG(INFO) << PrettyMethod(shadow_frame.GetMethod()) |
| << StringPrintf("\n0x%x: %s\nReferences:", |
| inst->GetDexPc(insns), inst->DumpString(&mh.GetDexFile()).c_str()); |
| for (size_t i = 0; i < shadow_frame.NumberOfVRegs(); ++i) { |
| Object* o = shadow_frame.GetVRegReference(i); |
| if (o != NULL) { |
| if (o->GetClass()->IsStringClass() && o->AsString()->GetCharArray() != NULL) { |
| LOG(INFO) << i << ": java.lang.String " << static_cast<void*>(o) |
| << " \"" << o->AsString()->ToModifiedUtf8() << "\""; |
| } else { |
| LOG(INFO) << i << ": " << PrettyTypeOf(o) << " " << static_cast<void*>(o); |
| } |
| } else { |
| LOG(INFO) << i << ": null"; |
| } |
| } |
| LOG(INFO) << "vregs:"; |
| for (size_t i = 0; i < shadow_frame.NumberOfVRegs(); ++i) { |
| LOG(INFO) << StringPrintf("%d: %08x", i, shadow_frame.GetVReg(i)); |
| } |
| } |
| const Instruction* next_inst = inst->Next(); |
| switch (dec_insn.opcode) { |
| case Instruction::NOP: |
| break; |
| case Instruction::MOVE: |
| case Instruction::MOVE_FROM16: |
| case Instruction::MOVE_16: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::MOVE_WIDE: |
| case Instruction::MOVE_WIDE_FROM16: |
| case Instruction::MOVE_WIDE_16: |
| shadow_frame.SetVRegLong(dec_insn.vA, shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::MOVE_OBJECT: |
| case Instruction::MOVE_OBJECT_FROM16: |
| case Instruction::MOVE_OBJECT_16: |
| shadow_frame.SetVRegReference(dec_insn.vA, shadow_frame.GetVRegReference(dec_insn.vB)); |
| break; |
| case Instruction::MOVE_RESULT: |
| shadow_frame.SetVReg(dec_insn.vA, result_register.GetI()); |
| break; |
| case Instruction::MOVE_RESULT_WIDE: |
| shadow_frame.SetVRegLong(dec_insn.vA, result_register.GetJ()); |
| break; |
| case Instruction::MOVE_RESULT_OBJECT: |
| shadow_frame.SetVRegReference(dec_insn.vA, result_register.GetL()); |
| break; |
| case Instruction::MOVE_EXCEPTION: { |
| Throwable* exception = self->GetException(); |
| self->ClearException(); |
| shadow_frame.SetVRegReference(dec_insn.vA, exception); |
| break; |
| } |
| case Instruction::RETURN_VOID: { |
| JValue result; |
| result.SetJ(0); |
| return result; |
| } |
| case Instruction::RETURN: { |
| JValue result; |
| result.SetJ(0); |
| result.SetI(shadow_frame.GetVReg(dec_insn.vA)); |
| return result; |
| } |
| case Instruction::RETURN_WIDE: { |
| JValue result; |
| result.SetJ(shadow_frame.GetVRegLong(dec_insn.vA)); |
| return result; |
| } |
| case Instruction::RETURN_OBJECT: { |
| JValue result; |
| result.SetJ(0); |
| result.SetL(shadow_frame.GetVRegReference(dec_insn.vA)); |
| return result; |
| } |
| case Instruction::CONST_4: { |
| int32_t val = static_cast<int32_t>(dec_insn.vB << 28) >> 28; |
| shadow_frame.SetVReg(dec_insn.vA, val); |
| if (val == 0) { |
| shadow_frame.SetVRegReference(dec_insn.vA, NULL); |
| } |
| break; |
| } |
| case Instruction::CONST_16: { |
| int32_t val = static_cast<int16_t>(dec_insn.vB); |
| shadow_frame.SetVReg(dec_insn.vA, val); |
| if (val == 0) { |
| shadow_frame.SetVRegReference(dec_insn.vA, NULL); |
| } |
| break; |
| } |
| case Instruction::CONST: { |
| int32_t val = dec_insn.vB; |
| shadow_frame.SetVReg(dec_insn.vA, val); |
| if (val == 0) { |
| shadow_frame.SetVRegReference(dec_insn.vA, NULL); |
| } |
| break; |
| } |
| case Instruction::CONST_HIGH16: { |
| int32_t val = dec_insn.vB << 16; |
| shadow_frame.SetVReg(dec_insn.vA, val); |
| if (val == 0) { |
| shadow_frame.SetVRegReference(dec_insn.vA, NULL); |
| } |
| break; |
| } |
| case Instruction::CONST_WIDE_16: |
| shadow_frame.SetVRegLong(dec_insn.vA, static_cast<int16_t>(dec_insn.vB)); |
| break; |
| case Instruction::CONST_WIDE_32: |
| shadow_frame.SetVRegLong(dec_insn.vA, static_cast<int32_t>(dec_insn.vB)); |
| break; |
| case Instruction::CONST_WIDE: |
| shadow_frame.SetVRegLong(dec_insn.vA, dec_insn.vB_wide); |
| break; |
| case Instruction::CONST_WIDE_HIGH16: |
| shadow_frame.SetVRegLong(dec_insn.vA, static_cast<uint64_t>(dec_insn.vB) << 48); |
| break; |
| case Instruction::CONST_STRING: |
| case Instruction::CONST_STRING_JUMBO: { |
| if (UNLIKELY(!String::GetJavaLangString()->IsInitialized())) { |
| Runtime::Current()->GetClassLinker()->EnsureInitialized(String::GetJavaLangString(), |
| true, true); |
| } |
| String* s = mh.ResolveString(dec_insn.vB); |
| shadow_frame.SetVRegReference(dec_insn.vA, s); |
| break; |
| } |
| case Instruction::CONST_CLASS: { |
| Class* c = ResolveVerifyAndClinit(dec_insn.vB, shadow_frame.GetMethod(), self, false, true); |
| shadow_frame.SetVRegReference(dec_insn.vA, c); |
| break; |
| } |
| case Instruction::MONITOR_ENTER: { |
| Object* obj = shadow_frame.GetVRegReference(dec_insn.vA); |
| if (UNLIKELY(obj == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| } else { |
| DoMonitorEnter(self, obj); |
| } |
| break; |
| } |
| case Instruction::MONITOR_EXIT: { |
| Object* obj = shadow_frame.GetVRegReference(dec_insn.vA); |
| if (UNLIKELY(obj == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| } else { |
| DoMonitorExit(self, obj); |
| } |
| break; |
| } |
| case Instruction::CHECK_CAST: { |
| Class* c = ResolveVerifyAndClinit(dec_insn.vB, shadow_frame.GetMethod(), self, false, true); |
| if (UNLIKELY(c == NULL)) { |
| CHECK(self->IsExceptionPending()); |
| } else { |
| Object* obj = shadow_frame.GetVRegReference(dec_insn.vA); |
| if (UNLIKELY(obj != NULL && !obj->InstanceOf(c))) { |
| self->ThrowNewExceptionF("Ljava/lang/ClassCastException;", |
| "%s cannot be cast to %s", |
| PrettyDescriptor(obj->GetClass()).c_str(), |
| PrettyDescriptor(c).c_str()); |
| } |
| } |
| break; |
| } |
| case Instruction::INSTANCE_OF: { |
| Class* c = ResolveVerifyAndClinit(dec_insn.vC, shadow_frame.GetMethod(), self, false, true); |
| if (UNLIKELY(c == NULL)) { |
| CHECK(self->IsExceptionPending()); |
| } else { |
| Object* obj = shadow_frame.GetVRegReference(dec_insn.vB); |
| shadow_frame.SetVReg(dec_insn.vA, (obj != NULL && obj->InstanceOf(c)) ? 1 : 0); |
| } |
| break; |
| } |
| case Instruction::ARRAY_LENGTH: { |
| Object* array = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(array == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| shadow_frame.SetVReg(dec_insn.vA, array->AsArray()->GetLength()); |
| break; |
| } |
| case Instruction::NEW_INSTANCE: { |
| Object* obj = AllocObjectFromCode(dec_insn.vB, shadow_frame.GetMethod(), self, true); |
| shadow_frame.SetVRegReference(dec_insn.vA, obj); |
| break; |
| } |
| case Instruction::NEW_ARRAY: { |
| int32_t length = shadow_frame.GetVReg(dec_insn.vB); |
| Object* obj = AllocArrayFromCode(dec_insn.vC, shadow_frame.GetMethod(), length, self, true); |
| shadow_frame.SetVRegReference(dec_insn.vA, obj); |
| break; |
| } |
| case Instruction::FILLED_NEW_ARRAY: |
| case Instruction::FILLED_NEW_ARRAY_RANGE: { |
| bool is_range = (dec_insn.opcode == Instruction::FILLED_NEW_ARRAY_RANGE); |
| int32_t length = dec_insn.vA; |
| CHECK(is_range || length <= 5); |
| if (UNLIKELY(length < 0)) { |
| self->ThrowNewExceptionF("Ljava/lang/NegativeArraySizeException;", "%d", length); |
| break; |
| } |
| Class* arrayClass = ResolveVerifyAndClinit(dec_insn.vB, shadow_frame.GetMethod(), self, false, true); |
| if (UNLIKELY(arrayClass == NULL)) { |
| CHECK(self->IsExceptionPending()); |
| break; |
| } |
| CHECK(arrayClass->IsArrayClass()); |
| Class* componentClass = arrayClass->GetComponentType(); |
| if (UNLIKELY(componentClass->IsPrimitive() && !componentClass->IsPrimitiveInt())) { |
| if (componentClass->IsPrimitiveLong() || componentClass->IsPrimitiveDouble()) { |
| self->ThrowNewExceptionF("Ljava/lang/RuntimeException;", |
| "Bad filled array request for type %s", |
| PrettyDescriptor(componentClass).c_str()); |
| } else { |
| self->ThrowNewExceptionF("Ljava/lang/InternalError;", |
| "Found type %s; filled-new-array not implemented for anything but \'int\'", |
| PrettyDescriptor(componentClass).c_str()); |
| } |
| break; |
| } |
| Object* newArray = Array::Alloc(self, arrayClass, length); |
| if (newArray != NULL) { |
| for (int32_t i = 0; i < length; ++i) { |
| if (is_range) { |
| if (componentClass->IsPrimitiveInt()) { |
| newArray->AsIntArray()->Set(i, shadow_frame.GetVReg(dec_insn.vC + i)); |
| } else { |
| newArray->AsObjectArray<Object>()->Set(i, shadow_frame.GetVRegReference(dec_insn.vC + i)); |
| } |
| } else { |
| if (componentClass->IsPrimitiveInt()) { |
| newArray->AsIntArray()->Set(i, shadow_frame.GetVReg(dec_insn.arg[i])); |
| } else { |
| newArray->AsObjectArray<Object>()->Set(i, shadow_frame.GetVRegReference(dec_insn.arg[i])); |
| } |
| } |
| } |
| } |
| result_register.SetL(newArray); |
| break; |
| } |
| case Instruction::CMPL_FLOAT: { |
| float val1 = shadow_frame.GetVRegFloat(dec_insn.vB); |
| float val2 = shadow_frame.GetVRegFloat(dec_insn.vC); |
| int32_t result; |
| if (val1 == val2) { |
| result = 0; |
| } else if (val1 > val2) { |
| result = 1; |
| } else { |
| result = -1; |
| } |
| shadow_frame.SetVReg(dec_insn.vA, result); |
| break; |
| } |
| case Instruction::CMPG_FLOAT: { |
| float val1 = shadow_frame.GetVRegFloat(dec_insn.vB); |
| float val2 = shadow_frame.GetVRegFloat(dec_insn.vC); |
| int32_t result; |
| if (val1 == val2) { |
| result = 0; |
| } else if (val1 < val2) { |
| result = -1; |
| } else { |
| result = 1; |
| } |
| shadow_frame.SetVReg(dec_insn.vA, result); |
| break; |
| } |
| case Instruction::CMPL_DOUBLE: { |
| double val1 = shadow_frame.GetVRegDouble(dec_insn.vB); |
| double val2 = shadow_frame.GetVRegDouble(dec_insn.vC); |
| int32_t result; |
| if (val1 == val2) { |
| result = 0; |
| } else if (val1 > val2) { |
| result = 1; |
| } else { |
| result = -1; |
| } |
| shadow_frame.SetVReg(dec_insn.vA, result); |
| break; |
| } |
| |
| case Instruction::CMPG_DOUBLE: { |
| double val1 = shadow_frame.GetVRegDouble(dec_insn.vB); |
| double val2 = shadow_frame.GetVRegDouble(dec_insn.vC); |
| int32_t result; |
| if (val1 == val2) { |
| result = 0; |
| } else if (val1 < val2) { |
| result = -1; |
| } else { |
| result = 1; |
| } |
| shadow_frame.SetVReg(dec_insn.vA, result); |
| break; |
| } |
| case Instruction::CMP_LONG: { |
| int64_t val1 = shadow_frame.GetVRegLong(dec_insn.vB); |
| int64_t val2 = shadow_frame.GetVRegLong(dec_insn.vC); |
| int32_t result; |
| if (val1 > val2) { |
| result = 1; |
| } else if (val1 == val2) { |
| result = 0; |
| } else { |
| result = -1; |
| } |
| shadow_frame.SetVReg(dec_insn.vA, result); |
| break; |
| } |
| case Instruction::THROW: { |
| Object* o = shadow_frame.GetVRegReference(dec_insn.vA); |
| Throwable* t = (o == NULL) ? NULL : o->AsThrowable(); |
| self->DeliverException(t); |
| break; |
| } |
| case Instruction::GOTO: |
| case Instruction::GOTO_16: |
| case Instruction::GOTO_32: { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vA); |
| break; |
| } |
| case Instruction::PACKED_SWITCH: { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| const uint16_t* switch_data = insns + dex_pc + dec_insn.vB; |
| int32_t test_val = shadow_frame.GetVReg(dec_insn.vA); |
| CHECK_EQ(switch_data[0], static_cast<uint16_t>(Instruction::kPackedSwitchSignature)); |
| uint16_t size = switch_data[1]; |
| CHECK_GT(size, 0); |
| const int32_t* keys = reinterpret_cast<const int32_t*>(&switch_data[2]); |
| CHECK(IsAligned<4>(keys)); |
| int32_t first_key = keys[0]; |
| const int32_t* targets = reinterpret_cast<const int32_t*>(&switch_data[4]); |
| CHECK(IsAligned<4>(targets)); |
| int32_t index = test_val - first_key; |
| if (index >= 0 && index < size) { |
| next_inst = Instruction::At(insns + dex_pc + targets[index]); |
| } |
| break; |
| } |
| case Instruction::SPARSE_SWITCH: { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| const uint16_t* switch_data = insns + dex_pc + dec_insn.vB; |
| int32_t test_val = shadow_frame.GetVReg(dec_insn.vA); |
| CHECK_EQ(switch_data[0], static_cast<uint16_t>(Instruction::kSparseSwitchSignature)); |
| uint16_t size = switch_data[1]; |
| CHECK_GT(size, 0); |
| const int32_t* keys = reinterpret_cast<const int32_t*>(&switch_data[2]); |
| CHECK(IsAligned<4>(keys)); |
| const int32_t* entries = keys + size; |
| CHECK(IsAligned<4>(entries)); |
| int lo = 0; |
| int hi = size - 1; |
| while (lo <= hi) { |
| int mid = (lo + hi) / 2; |
| int32_t foundVal = keys[mid]; |
| if (test_val < foundVal) { |
| hi = mid - 1; |
| } else if (test_val > foundVal) { |
| lo = mid + 1; |
| } else { |
| next_inst = Instruction::At(insns + dex_pc + entries[mid]); |
| break; |
| } |
| } |
| break; |
| } |
| case Instruction::FILL_ARRAY_DATA: { |
| Object* obj = shadow_frame.GetVRegReference(dec_insn.vA); |
| if (UNLIKELY(obj == NULL)) { |
| Thread::Current()->ThrowNewExceptionF("Ljava/lang/NullPointerException;", |
| "null array in FILL_ARRAY_DATA"); |
| break; |
| } |
| Array* array = obj->AsArray(); |
| DCHECK(array->IsArrayInstance() && !array->IsObjectArray()); |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| const Instruction::ArrayDataPayload* payload = |
| reinterpret_cast<const Instruction::ArrayDataPayload*>(insns + dex_pc + dec_insn.vB); |
| if (UNLIKELY(static_cast<int32_t>(payload->element_count) > array->GetLength())) { |
| Thread::Current()->ThrowNewExceptionF("Ljava/lang/ArrayIndexOutOfBoundsException;", |
| "failed FILL_ARRAY_DATA; length=%d, index=%d", |
| array->GetLength(), payload->element_count); |
| break; |
| } |
| uint32_t size_in_bytes = payload->element_count * payload->element_width; |
| memcpy(array->GetRawData(payload->element_width), payload->data, size_in_bytes); |
| break; |
| } |
| case Instruction::IF_EQ: { |
| if (shadow_frame.GetVReg(dec_insn.vA) == shadow_frame.GetVReg(dec_insn.vB)) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vC); |
| } |
| break; |
| } |
| case Instruction::IF_NE: { |
| if (shadow_frame.GetVReg(dec_insn.vA) != shadow_frame.GetVReg(dec_insn.vB)) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vC); |
| } |
| break; |
| } |
| case Instruction::IF_LT: { |
| if (shadow_frame.GetVReg(dec_insn.vA) < shadow_frame.GetVReg(dec_insn.vB)) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vC); |
| } |
| break; |
| } |
| case Instruction::IF_GE: { |
| if (shadow_frame.GetVReg(dec_insn.vA) >= shadow_frame.GetVReg(dec_insn.vB)) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vC); |
| } |
| break; |
| } |
| case Instruction::IF_GT: { |
| if (shadow_frame.GetVReg(dec_insn.vA) > shadow_frame.GetVReg(dec_insn.vB)) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vC); |
| } |
| break; |
| } |
| case Instruction::IF_LE: { |
| if (shadow_frame.GetVReg(dec_insn.vA) <= shadow_frame.GetVReg(dec_insn.vB)) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vC); |
| } |
| break; |
| } |
| case Instruction::IF_EQZ: { |
| if (shadow_frame.GetVReg(dec_insn.vA) == 0) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vB); |
| } |
| break; |
| } |
| case Instruction::IF_NEZ: { |
| if (shadow_frame.GetVReg(dec_insn.vA) != 0) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vB); |
| } |
| break; |
| } |
| case Instruction::IF_LTZ: { |
| if (shadow_frame.GetVReg(dec_insn.vA) < 0) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vB); |
| } |
| break; |
| } |
| case Instruction::IF_GEZ: { |
| if (shadow_frame.GetVReg(dec_insn.vA) >= 0) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vB); |
| } |
| break; |
| } |
| case Instruction::IF_GTZ: { |
| if (shadow_frame.GetVReg(dec_insn.vA) > 0) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vB); |
| } |
| break; |
| } |
| case Instruction::IF_LEZ: { |
| if (shadow_frame.GetVReg(dec_insn.vA) <= 0) { |
| uint32_t dex_pc = inst->GetDexPc(insns); |
| next_inst = Instruction::At(insns + dex_pc + dec_insn.vB); |
| } |
| break; |
| } |
| case Instruction::AGET_BOOLEAN: { |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| shadow_frame.SetVReg(dec_insn.vA, a->AsBooleanArray()->Get(index)); |
| break; |
| } |
| case Instruction::AGET_BYTE: { |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| shadow_frame.SetVReg(dec_insn.vA, a->AsByteArray()->Get(index)); |
| break; |
| } |
| case Instruction::AGET_CHAR: { |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| shadow_frame.SetVReg(dec_insn.vA, a->AsCharArray()->Get(index)); |
| break; |
| } |
| case Instruction::AGET_SHORT: { |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| shadow_frame.SetVReg(dec_insn.vA, a->AsShortArray()->Get(index)); |
| break; |
| } |
| case Instruction::AGET: { |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| shadow_frame.SetVReg(dec_insn.vA, a->AsIntArray()->Get(index)); |
| break; |
| } |
| case Instruction::AGET_WIDE: { |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| shadow_frame.SetVRegLong(dec_insn.vA, a->AsLongArray()->Get(index)); |
| break; |
| } |
| case Instruction::AGET_OBJECT: { |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| shadow_frame.SetVRegReference(dec_insn.vA, a->AsObjectArray<Object>()->Get(index)); |
| break; |
| } |
| case Instruction::APUT_BOOLEAN: { |
| uint8_t val = shadow_frame.GetVReg(dec_insn.vA); |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| a->AsBooleanArray()->Set(index, val); |
| break; |
| } |
| case Instruction::APUT_BYTE: { |
| int8_t val = shadow_frame.GetVReg(dec_insn.vA); |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| a->AsByteArray()->Set(index, val); |
| break; |
| } |
| case Instruction::APUT_CHAR: { |
| uint16_t val = shadow_frame.GetVReg(dec_insn.vA); |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| a->AsCharArray()->Set(index, val); |
| break; |
| } |
| case Instruction::APUT_SHORT: { |
| int16_t val = shadow_frame.GetVReg(dec_insn.vA); |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| a->AsShortArray()->Set(index, val); |
| break; |
| } |
| case Instruction::APUT: { |
| int32_t val = shadow_frame.GetVReg(dec_insn.vA); |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| a->AsIntArray()->Set(index, val); |
| break; |
| } |
| case Instruction::APUT_WIDE: { |
| int64_t val = shadow_frame.GetVRegLong(dec_insn.vA); |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| a->AsLongArray()->Set(index, val); |
| break; |
| } |
| case Instruction::APUT_OBJECT: { |
| Object* val = shadow_frame.GetVRegReference(dec_insn.vA); |
| Object* a = shadow_frame.GetVRegReference(dec_insn.vB); |
| if (UNLIKELY(a == NULL)) { |
| ThrowNullPointerExceptionFromDexPC(shadow_frame.GetMethod(), inst->GetDexPc(insns)); |
| break; |
| } |
| int32_t index = shadow_frame.GetVReg(dec_insn.vC); |
| a->AsObjectArray<Object>()->Set(index, val); |
| break; |
| } |
| case Instruction::IGET_BOOLEAN: |
| DoFieldGet(self, shadow_frame, dec_insn, InstancePrimitiveRead, Primitive::kPrimBoolean); |
| break; |
| case Instruction::IGET_BYTE: |
| DoFieldGet(self, shadow_frame, dec_insn, InstancePrimitiveRead, Primitive::kPrimByte); |
| break; |
| case Instruction::IGET_CHAR: |
| DoFieldGet(self, shadow_frame, dec_insn, InstancePrimitiveRead, Primitive::kPrimChar); |
| break; |
| case Instruction::IGET_SHORT: |
| DoFieldGet(self, shadow_frame, dec_insn, InstancePrimitiveRead, Primitive::kPrimShort); |
| break; |
| case Instruction::IGET: |
| DoFieldGet(self, shadow_frame, dec_insn, InstancePrimitiveRead, Primitive::kPrimInt); |
| break; |
| case Instruction::IGET_WIDE: |
| DoFieldGet(self, shadow_frame, dec_insn, InstancePrimitiveRead, Primitive::kPrimLong); |
| break; |
| case Instruction::IGET_OBJECT: |
| DoFieldGet(self, shadow_frame, dec_insn, InstanceObjectRead, Primitive::kPrimNot); |
| break; |
| case Instruction::SGET_BOOLEAN: |
| DoFieldGet(self, shadow_frame, dec_insn, StaticPrimitiveRead, Primitive::kPrimBoolean); |
| break; |
| case Instruction::SGET_BYTE: |
| DoFieldGet(self, shadow_frame, dec_insn, StaticPrimitiveRead, Primitive::kPrimByte); |
| break; |
| case Instruction::SGET_CHAR: |
| DoFieldGet(self, shadow_frame, dec_insn, StaticPrimitiveRead, Primitive::kPrimChar); |
| break; |
| case Instruction::SGET_SHORT: |
| DoFieldGet(self, shadow_frame, dec_insn, StaticPrimitiveRead, Primitive::kPrimShort); |
| break; |
| case Instruction::SGET: |
| DoFieldGet(self, shadow_frame, dec_insn, StaticPrimitiveRead, Primitive::kPrimInt); |
| break; |
| case Instruction::SGET_WIDE: |
| DoFieldGet(self, shadow_frame, dec_insn, StaticPrimitiveRead, Primitive::kPrimLong); |
| break; |
| case Instruction::SGET_OBJECT: |
| DoFieldGet(self, shadow_frame, dec_insn, StaticObjectRead, Primitive::kPrimNot); |
| break; |
| case Instruction::IPUT_BOOLEAN: |
| DoFieldPut(self, shadow_frame, dec_insn, InstancePrimitiveWrite, Primitive::kPrimBoolean); |
| break; |
| case Instruction::IPUT_BYTE: |
| DoFieldPut(self, shadow_frame, dec_insn, InstancePrimitiveWrite, Primitive::kPrimByte); |
| break; |
| case Instruction::IPUT_CHAR: |
| DoFieldPut(self, shadow_frame, dec_insn, InstancePrimitiveWrite, Primitive::kPrimChar); |
| break; |
| case Instruction::IPUT_SHORT: |
| DoFieldPut(self, shadow_frame, dec_insn, InstancePrimitiveWrite, Primitive::kPrimShort); |
| break; |
| case Instruction::IPUT: |
| DoFieldPut(self, shadow_frame, dec_insn, InstancePrimitiveWrite, Primitive::kPrimInt); |
| break; |
| case Instruction::IPUT_WIDE: |
| DoFieldPut(self, shadow_frame, dec_insn, InstancePrimitiveWrite, Primitive::kPrimLong); |
| break; |
| case Instruction::IPUT_OBJECT: |
| DoFieldPut(self, shadow_frame, dec_insn, InstanceObjectWrite, Primitive::kPrimNot); |
| break; |
| case Instruction::SPUT_BOOLEAN: |
| DoFieldPut(self, shadow_frame, dec_insn, StaticPrimitiveWrite, Primitive::kPrimBoolean); |
| break; |
| case Instruction::SPUT_BYTE: |
| DoFieldPut(self, shadow_frame, dec_insn, StaticPrimitiveWrite, Primitive::kPrimByte); |
| break; |
| case Instruction::SPUT_CHAR: |
| DoFieldPut(self, shadow_frame, dec_insn, StaticPrimitiveWrite, Primitive::kPrimChar); |
| break; |
| case Instruction::SPUT_SHORT: |
| DoFieldPut(self, shadow_frame, dec_insn, StaticPrimitiveWrite, Primitive::kPrimShort); |
| break; |
| case Instruction::SPUT: |
| DoFieldPut(self, shadow_frame, dec_insn, StaticPrimitiveWrite, Primitive::kPrimInt); |
| break; |
| case Instruction::SPUT_WIDE: |
| DoFieldPut(self, shadow_frame, dec_insn, StaticPrimitiveWrite, Primitive::kPrimLong); |
| break; |
| case Instruction::SPUT_OBJECT: |
| DoFieldPut(self, shadow_frame, dec_insn, StaticObjectWrite, Primitive::kPrimNot); |
| break; |
| case Instruction::INVOKE_VIRTUAL: |
| DoInvoke(self, mh, shadow_frame, dec_insn, kVirtual, false, &result_register); |
| break; |
| case Instruction::INVOKE_VIRTUAL_RANGE: |
| DoInvoke(self, mh, shadow_frame, dec_insn, kVirtual, true, &result_register); |
| break; |
| case Instruction::INVOKE_SUPER: |
| DoInvoke(self, mh, shadow_frame, dec_insn, kSuper, false, &result_register); |
| break; |
| case Instruction::INVOKE_SUPER_RANGE: |
| DoInvoke(self, mh, shadow_frame, dec_insn, kSuper, true, &result_register); |
| break; |
| case Instruction::INVOKE_DIRECT: |
| DoInvoke(self, mh, shadow_frame, dec_insn, kDirect, false, &result_register); |
| break; |
| case Instruction::INVOKE_DIRECT_RANGE: |
| DoInvoke(self, mh, shadow_frame, dec_insn, kDirect, true, &result_register); |
| break; |
| case Instruction::INVOKE_INTERFACE: |
| DoInvoke(self, mh, shadow_frame, dec_insn, kInterface, false, &result_register); |
| break; |
| case Instruction::INVOKE_INTERFACE_RANGE: |
| DoInvoke(self, mh, shadow_frame, dec_insn, kInterface, true, &result_register); |
| break; |
| case Instruction::INVOKE_STATIC: |
| DoInvoke(self, mh, shadow_frame, dec_insn, kStatic, false, &result_register); |
| break; |
| case Instruction::INVOKE_STATIC_RANGE: |
| DoInvoke(self, mh, shadow_frame, dec_insn, kStatic, true, &result_register); |
| break; |
| case Instruction::NEG_INT: |
| shadow_frame.SetVReg(dec_insn.vA, -shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::NOT_INT: |
| shadow_frame.SetVReg(dec_insn.vA, ~shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::NEG_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, -shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::NOT_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, ~shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::NEG_FLOAT: |
| shadow_frame.SetVRegFloat(dec_insn.vA, -shadow_frame.GetVRegFloat(dec_insn.vB)); |
| break; |
| case Instruction::NEG_DOUBLE: |
| shadow_frame.SetVRegDouble(dec_insn.vA, -shadow_frame.GetVRegDouble(dec_insn.vB)); |
| break; |
| case Instruction::INT_TO_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::INT_TO_FLOAT: |
| shadow_frame.SetVRegFloat(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::INT_TO_DOUBLE: |
| shadow_frame.SetVRegDouble(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::LONG_TO_INT: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::LONG_TO_FLOAT: |
| shadow_frame.SetVRegFloat(dec_insn.vA, shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::LONG_TO_DOUBLE: |
| shadow_frame.SetVRegDouble(dec_insn.vA, shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::FLOAT_TO_INT: { |
| float val = shadow_frame.GetVRegFloat(dec_insn.vB); |
| if (val != val) { |
| shadow_frame.SetVReg(dec_insn.vA, 0); |
| } else if (val > static_cast<float>(kMaxInt)) { |
| shadow_frame.SetVReg(dec_insn.vA, kMaxInt); |
| } else if (val < static_cast<float>(kMinInt)) { |
| shadow_frame.SetVReg(dec_insn.vA, kMinInt); |
| } else { |
| shadow_frame.SetVReg(dec_insn.vA, val); |
| } |
| break; |
| } |
| case Instruction::FLOAT_TO_LONG: { |
| float val = shadow_frame.GetVRegFloat(dec_insn.vB); |
| if (val != val) { |
| shadow_frame.SetVRegLong(dec_insn.vA, 0); |
| } else if (val > static_cast<float>(kMaxLong)) { |
| shadow_frame.SetVRegLong(dec_insn.vA, kMaxLong); |
| } else if (val < static_cast<float>(kMinLong)) { |
| shadow_frame.SetVRegLong(dec_insn.vA, kMinLong); |
| } else { |
| shadow_frame.SetVRegLong(dec_insn.vA, val); |
| } |
| break; |
| } |
| case Instruction::FLOAT_TO_DOUBLE: |
| shadow_frame.SetVRegDouble(dec_insn.vA, shadow_frame.GetVRegFloat(dec_insn.vB)); |
| break; |
| case Instruction::DOUBLE_TO_INT: { |
| double val = shadow_frame.GetVRegDouble(dec_insn.vB); |
| if (val != val) { |
| shadow_frame.SetVReg(dec_insn.vA, 0); |
| } else if (val > static_cast<double>(kMaxInt)) { |
| shadow_frame.SetVReg(dec_insn.vA, kMaxInt); |
| } else if (val < static_cast<double>(kMinInt)) { |
| shadow_frame.SetVReg(dec_insn.vA, kMinInt); |
| } else { |
| shadow_frame.SetVReg(dec_insn.vA, val); |
| } |
| break; |
| } |
| case Instruction::DOUBLE_TO_LONG: { |
| double val = shadow_frame.GetVRegDouble(dec_insn.vB); |
| if (val != val) { |
| shadow_frame.SetVRegLong(dec_insn.vA, 0); |
| } else if (val > static_cast<double>(kMaxLong)) { |
| shadow_frame.SetVRegLong(dec_insn.vA, kMaxLong); |
| } else if (val < static_cast<double>(kMinLong)) { |
| shadow_frame.SetVRegLong(dec_insn.vA, kMinLong); |
| } else { |
| shadow_frame.SetVRegLong(dec_insn.vA, val); |
| } |
| break; |
| } |
| case Instruction::DOUBLE_TO_FLOAT: |
| shadow_frame.SetVRegFloat(dec_insn.vA, shadow_frame.GetVRegDouble(dec_insn.vB)); |
| break; |
| case Instruction::INT_TO_BYTE: |
| shadow_frame.SetVReg(dec_insn.vA, static_cast<int8_t>(shadow_frame.GetVReg(dec_insn.vB))); |
| break; |
| case Instruction::INT_TO_CHAR: |
| shadow_frame.SetVReg(dec_insn.vA, static_cast<uint16_t>(shadow_frame.GetVReg(dec_insn.vB))); |
| break; |
| case Instruction::INT_TO_SHORT: |
| shadow_frame.SetVReg(dec_insn.vA, static_cast<int16_t>(shadow_frame.GetVReg(dec_insn.vB))); |
| break; |
| case Instruction::ADD_INT: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vB) + shadow_frame.GetVReg(dec_insn.vC)); |
| break; |
| case Instruction::SUB_INT: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vB) - shadow_frame.GetVReg(dec_insn.vC)); |
| break; |
| case Instruction::MUL_INT: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vB) * shadow_frame.GetVReg(dec_insn.vC)); |
| break; |
| case Instruction::REM_INT: |
| DoIntRemainder(self, shadow_frame, dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB), |
| shadow_frame.GetVReg(dec_insn.vC)); |
| break; |
| case Instruction::DIV_INT: |
| DoIntDivide(self, shadow_frame, dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB), |
| shadow_frame.GetVReg(dec_insn.vC)); |
| break; |
| case Instruction::SHL_INT: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB) << |
| (shadow_frame.GetVReg(dec_insn.vC) & 0x1f)); |
| break; |
| case Instruction::SHR_INT: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB) >> |
| (shadow_frame.GetVReg(dec_insn.vC) & 0x1f)); |
| break; |
| case Instruction::USHR_INT: |
| shadow_frame.SetVReg(dec_insn.vA, |
| static_cast<uint32_t>(shadow_frame.GetVReg(dec_insn.vB)) >> |
| (shadow_frame.GetVReg(dec_insn.vC) & 0x1f)); |
| break; |
| case Instruction::AND_INT: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vB) & shadow_frame.GetVReg(dec_insn.vC)); |
| break; |
| case Instruction::OR_INT: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vB) | shadow_frame.GetVReg(dec_insn.vC)); |
| break; |
| case Instruction::XOR_INT: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vB) ^ shadow_frame.GetVReg(dec_insn.vC)); |
| break; |
| case Instruction::ADD_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vB) + |
| shadow_frame.GetVRegLong(dec_insn.vC)); |
| break; |
| case Instruction::SUB_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vB) - |
| shadow_frame.GetVRegLong(dec_insn.vC)); |
| break; |
| case Instruction::MUL_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vB) * |
| shadow_frame.GetVRegLong(dec_insn.vC)); |
| break; |
| case Instruction::DIV_LONG: |
| DoLongDivide(self, shadow_frame, dec_insn.vA, shadow_frame.GetVRegLong(dec_insn.vB), |
| shadow_frame.GetVRegLong(dec_insn.vC)); |
| break; |
| case Instruction::REM_LONG: |
| DoLongRemainder(self, shadow_frame, dec_insn.vA, shadow_frame.GetVRegLong(dec_insn.vB), |
| shadow_frame.GetVRegLong(dec_insn.vC)); |
| break; |
| case Instruction::AND_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vB) & |
| shadow_frame.GetVRegLong(dec_insn.vC)); |
| break; |
| case Instruction::OR_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vB) | |
| shadow_frame.GetVRegLong(dec_insn.vC)); |
| break; |
| case Instruction::XOR_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vB) ^ |
| shadow_frame.GetVRegLong(dec_insn.vC)); |
| break; |
| case Instruction::SHL_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vB) << |
| (shadow_frame.GetVReg(dec_insn.vC) & 0x3f)); |
| break; |
| case Instruction::SHR_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vB) >> |
| (shadow_frame.GetVReg(dec_insn.vC) & 0x3f)); |
| break; |
| case Instruction::USHR_LONG: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| static_cast<uint64_t>(shadow_frame.GetVRegLong(dec_insn.vB)) >> |
| (shadow_frame.GetVReg(dec_insn.vC) & 0x3f)); |
| break; |
| case Instruction::ADD_FLOAT: |
| shadow_frame.SetVRegFloat(dec_insn.vA, |
| shadow_frame.GetVRegFloat(dec_insn.vB) + |
| shadow_frame.GetVRegFloat(dec_insn.vC)); |
| break; |
| case Instruction::SUB_FLOAT: |
| shadow_frame.SetVRegFloat(dec_insn.vA, |
| shadow_frame.GetVRegFloat(dec_insn.vB) - |
| shadow_frame.GetVRegFloat(dec_insn.vC)); |
| break; |
| case Instruction::MUL_FLOAT: |
| shadow_frame.SetVRegFloat(dec_insn.vA, |
| shadow_frame.GetVRegFloat(dec_insn.vB) * |
| shadow_frame.GetVRegFloat(dec_insn.vC)); |
| break; |
| case Instruction::DIV_FLOAT: |
| shadow_frame.SetVRegFloat(dec_insn.vA, |
| shadow_frame.GetVRegFloat(dec_insn.vB) / |
| shadow_frame.GetVRegFloat(dec_insn.vC)); |
| break; |
| case Instruction::REM_FLOAT: |
| shadow_frame.SetVRegFloat(dec_insn.vA, |
| fmodf(shadow_frame.GetVRegFloat(dec_insn.vB), |
| shadow_frame.GetVRegFloat(dec_insn.vC))); |
| break; |
| case Instruction::ADD_DOUBLE: |
| shadow_frame.SetVRegDouble(dec_insn.vA, |
| shadow_frame.GetVRegDouble(dec_insn.vB) + |
| shadow_frame.GetVRegDouble(dec_insn.vC)); |
| break; |
| case Instruction::SUB_DOUBLE: |
| shadow_frame.SetVRegDouble(dec_insn.vA, |
| shadow_frame.GetVRegDouble(dec_insn.vB) - |
| shadow_frame.GetVRegDouble(dec_insn.vC)); |
| break; |
| case Instruction::MUL_DOUBLE: |
| shadow_frame.SetVRegDouble(dec_insn.vA, |
| shadow_frame.GetVRegDouble(dec_insn.vB) * |
| shadow_frame.GetVRegDouble(dec_insn.vC)); |
| break; |
| case Instruction::DIV_DOUBLE: |
| shadow_frame.SetVRegDouble(dec_insn.vA, |
| shadow_frame.GetVRegDouble(dec_insn.vB) / |
| shadow_frame.GetVRegDouble(dec_insn.vC)); |
| break; |
| case Instruction::REM_DOUBLE: |
| shadow_frame.SetVRegDouble(dec_insn.vA, |
| fmod(shadow_frame.GetVRegDouble(dec_insn.vB), |
| shadow_frame.GetVRegDouble(dec_insn.vC))); |
| break; |
| case Instruction::ADD_INT_2ADDR: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vA) + shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::SUB_INT_2ADDR: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vA) - shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::MUL_INT_2ADDR: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vA) * shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::REM_INT_2ADDR: |
| DoIntRemainder(self, shadow_frame, dec_insn.vA, shadow_frame.GetVReg(dec_insn.vA), |
| shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::SHL_INT_2ADDR: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vA) << |
| (shadow_frame.GetVReg(dec_insn.vB) & 0x1f)); |
| break; |
| case Instruction::SHR_INT_2ADDR: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vA) >> |
| (shadow_frame.GetVReg(dec_insn.vB) & 0x1f)); |
| break; |
| case Instruction::USHR_INT_2ADDR: |
| shadow_frame.SetVReg(dec_insn.vA, |
| static_cast<uint32_t>(shadow_frame.GetVReg(dec_insn.vA)) >> |
| (shadow_frame.GetVReg(dec_insn.vB) & 0x1f)); |
| break; |
| case Instruction::AND_INT_2ADDR: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vA) & shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::OR_INT_2ADDR: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vA) | shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::XOR_INT_2ADDR: |
| shadow_frame.SetVReg(dec_insn.vA, |
| shadow_frame.GetVReg(dec_insn.vA) ^ shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::DIV_INT_2ADDR: |
| DoIntDivide(self, shadow_frame, dec_insn.vA, shadow_frame.GetVReg(dec_insn.vA), |
| shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::ADD_LONG_2ADDR: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vA) + |
| shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::SUB_LONG_2ADDR: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vA) - |
| shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::MUL_LONG_2ADDR: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vA) * |
| shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::DIV_LONG_2ADDR: |
| DoLongDivide(self, shadow_frame, dec_insn.vA, shadow_frame.GetVRegLong(dec_insn.vA), |
| shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::REM_LONG_2ADDR: |
| DoLongRemainder(self, shadow_frame, dec_insn.vA, shadow_frame.GetVRegLong(dec_insn.vA), |
| shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::AND_LONG_2ADDR: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vA) & |
| shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::OR_LONG_2ADDR: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vA) | |
| shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::XOR_LONG_2ADDR: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vA) ^ |
| shadow_frame.GetVRegLong(dec_insn.vB)); |
| break; |
| case Instruction::SHL_LONG_2ADDR: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vA) << |
| (shadow_frame.GetVReg(dec_insn.vB) & 0x3f)); |
| break; |
| case Instruction::SHR_LONG_2ADDR: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| shadow_frame.GetVRegLong(dec_insn.vA) >> |
| (shadow_frame.GetVReg(dec_insn.vB) & 0x3f)); |
| break; |
| case Instruction::USHR_LONG_2ADDR: |
| shadow_frame.SetVRegLong(dec_insn.vA, |
| static_cast<uint64_t>(shadow_frame.GetVRegLong(dec_insn.vA)) >> |
| (shadow_frame.GetVReg(dec_insn.vB) & 0x3f)); |
| break; |
| case Instruction::ADD_FLOAT_2ADDR: |
| shadow_frame.SetVRegFloat(dec_insn.vA, |
| shadow_frame.GetVRegFloat(dec_insn.vA) + |
| shadow_frame.GetVRegFloat(dec_insn.vB)); |
| break; |
| case Instruction::SUB_FLOAT_2ADDR: |
| shadow_frame.SetVRegFloat(dec_insn.vA, |
| shadow_frame.GetVRegFloat(dec_insn.vA) - |
| shadow_frame.GetVRegFloat(dec_insn.vB)); |
| break; |
| case Instruction::MUL_FLOAT_2ADDR: |
| shadow_frame.SetVRegFloat(dec_insn.vA, |
| shadow_frame.GetVRegFloat(dec_insn.vA) * |
| shadow_frame.GetVRegFloat(dec_insn.vB)); |
| break; |
| case Instruction::DIV_FLOAT_2ADDR: |
| shadow_frame.SetVRegFloat(dec_insn.vA, |
| shadow_frame.GetVRegFloat(dec_insn.vA) / |
| shadow_frame.GetVRegFloat(dec_insn.vB)); |
| break; |
| case Instruction::REM_FLOAT_2ADDR: |
| shadow_frame.SetVRegFloat(dec_insn.vA, |
| fmodf(shadow_frame.GetVRegFloat(dec_insn.vA), |
| shadow_frame.GetVRegFloat(dec_insn.vB))); |
| break; |
| case Instruction::ADD_DOUBLE_2ADDR: |
| shadow_frame.SetVRegDouble(dec_insn.vA, |
| shadow_frame.GetVRegDouble(dec_insn.vA) + |
| shadow_frame.GetVRegDouble(dec_insn.vB)); |
| break; |
| case Instruction::SUB_DOUBLE_2ADDR: |
| shadow_frame.SetVRegDouble(dec_insn.vA, |
| shadow_frame.GetVRegDouble(dec_insn.vA) - |
| shadow_frame.GetVRegDouble(dec_insn.vB)); |
| break; |
| case Instruction::MUL_DOUBLE_2ADDR: |
| shadow_frame.SetVRegDouble(dec_insn.vA, |
| shadow_frame.GetVRegDouble(dec_insn.vA) * |
| shadow_frame.GetVRegDouble(dec_insn.vB)); |
| break; |
| case Instruction::DIV_DOUBLE_2ADDR: |
| shadow_frame.SetVRegDouble(dec_insn.vA, |
| shadow_frame.GetVRegDouble(dec_insn.vA) / |
| shadow_frame.GetVRegDouble(dec_insn.vB)); |
| break; |
| case Instruction::REM_DOUBLE_2ADDR: |
| shadow_frame.SetVRegDouble(dec_insn.vA, |
| fmod(shadow_frame.GetVRegDouble(dec_insn.vA), |
| shadow_frame.GetVRegDouble(dec_insn.vB))); |
| break; |
| case Instruction::ADD_INT_LIT16: |
| case Instruction::ADD_INT_LIT8: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB) + dec_insn.vC); |
| break; |
| case Instruction::RSUB_INT: |
| case Instruction::RSUB_INT_LIT8: |
| shadow_frame.SetVReg(dec_insn.vA, dec_insn.vC - shadow_frame.GetVReg(dec_insn.vB)); |
| break; |
| case Instruction::MUL_INT_LIT16: |
| case Instruction::MUL_INT_LIT8: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB) * dec_insn.vC); |
| break; |
| case Instruction::DIV_INT_LIT16: |
| case Instruction::DIV_INT_LIT8: |
| DoIntDivide(self, shadow_frame, dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB), |
| dec_insn.vC); |
| break; |
| case Instruction::REM_INT_LIT16: |
| case Instruction::REM_INT_LIT8: |
| DoIntRemainder(self, shadow_frame, dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB), |
| dec_insn.vC); |
| break; |
| case Instruction::AND_INT_LIT16: |
| case Instruction::AND_INT_LIT8: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB) & dec_insn.vC); |
| break; |
| case Instruction::OR_INT_LIT16: |
| case Instruction::OR_INT_LIT8: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB) | dec_insn.vC); |
| break; |
| case Instruction::XOR_INT_LIT16: |
| case Instruction::XOR_INT_LIT8: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB) ^ dec_insn.vC); |
| break; |
| case Instruction::SHL_INT_LIT8: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB) << |
| (dec_insn.vC & 0x1f)); |
| break; |
| case Instruction::SHR_INT_LIT8: |
| shadow_frame.SetVReg(dec_insn.vA, shadow_frame.GetVReg(dec_insn.vB) >> |
| (dec_insn.vC & 0x1f)); |
| break; |
| case Instruction::USHR_INT_LIT8: |
| shadow_frame.SetVReg(dec_insn.vA, |
| static_cast<uint32_t>(shadow_frame.GetVReg(dec_insn.vB)) >> |
| (dec_insn.vC & 0x1f)); |
| break; |
| default: |
| LOG(FATAL) << "Unexpected instruction: " << inst->DumpString(&mh.GetDexFile()); |
| break; |
| } |
| if (UNLIKELY(self->IsExceptionPending())) { |
| if (throw_frame_id_ == 0) { |
| throw_method_ = shadow_frame.GetMethod(); |
| throw_dex_pc_ = dex_pc; |
| } |
| throw_frame_id_++; |
| uint32_t found_dex_pc = |
| shadow_frame.GetMethod()->FindCatchBlock(self->GetException()->GetClass(), |
| inst->GetDexPc(insns)); |
| if (found_dex_pc == DexFile::kDexNoIndex) { |
| JValue result; |
| result.SetJ(0); |
| return result; // Handler in caller. |
| } else { |
| Dbg::PostException(self, throw_frame_id_, throw_method_, throw_dex_pc_, |
| shadow_frame.GetMethod(), found_dex_pc, self->GetException()); |
| throw_frame_id_ = 0; |
| next_inst = Instruction::At(insns + found_dex_pc); |
| } |
| } |
| inst = next_inst; |
| } |
| } |
| |
| void EnterInterpreterFromInvoke(Thread* self, AbstractMethod* method, Object* receiver, |
| JValue* args, JValue* result) { |
| DCHECK_EQ(self, Thread::Current()); |
| if (__builtin_frame_address(0) < self->GetStackEnd()) { |
| ThrowStackOverflowError(self); |
| return; |
| } |
| |
| MethodHelper mh(method); |
| const DexFile::CodeItem* code_item = mh.GetCodeItem(); |
| uint16_t num_regs; |
| uint16_t num_ins; |
| if (code_item != NULL) { |
| num_regs = code_item->registers_size_; |
| num_ins = code_item->ins_size_; |
| } else if (method->IsAbstract()) { |
| self->ThrowNewExceptionF("Ljava/lang/AbstractMethodError;", "abstract method \"%s\"", |
| PrettyMethod(method).c_str()); |
| return; |
| } else { |
| DCHECK(method->IsNative()); |
| num_regs = num_ins = AbstractMethod::NumArgRegisters(mh.GetShorty()); |
| if (!method->IsStatic()) { |
| num_regs++; |
| num_ins++; |
| } |
| } |
| // Set up shadow frame with matching number of reference slots to vregs. |
| ShadowFrame* last_shadow_frame = self->GetManagedStack()->GetTopShadowFrame(); |
| UniquePtr<ShadowFrame> shadow_frame(ShadowFrame::Create(num_regs, |
| last_shadow_frame, |
| method, 0)); |
| self->PushShadowFrame(shadow_frame.get()); |
| size_t cur_reg = num_regs - num_ins; |
| if (!method->IsStatic()) { |
| CHECK(receiver != NULL); |
| shadow_frame->SetVRegReference(cur_reg, receiver); |
| ++cur_reg; |
| } else if (!method->GetDeclaringClass()->IsInitializing()) { |
| if (!Runtime::Current()->GetClassLinker()->EnsureInitialized(method->GetDeclaringClass(), |
| true, true)) { |
| DCHECK(Thread::Current()->IsExceptionPending()); |
| return; |
| } |
| CHECK(method->GetDeclaringClass()->IsInitializing()); |
| } |
| const char* shorty = mh.GetShorty(); |
| size_t arg_pos = 0; |
| for (; cur_reg < num_regs; ++cur_reg, ++arg_pos) { |
| DCHECK_LT(arg_pos + 1, mh.GetShortyLength()); |
| switch (shorty[arg_pos + 1]) { |
| case 'L': { |
| Object* o = args[arg_pos].GetL(); |
| shadow_frame->SetVRegReference(cur_reg, o); |
| break; |
| } |
| case 'J': case 'D': |
| shadow_frame->SetVRegLong(cur_reg, args[arg_pos].GetJ()); |
| cur_reg++; |
| break; |
| default: |
| shadow_frame->SetVReg(cur_reg, args[arg_pos].GetI()); |
| break; |
| } |
| } |
| if (LIKELY(!method->IsNative())) { |
| JValue r = Execute(self, mh, code_item, *shadow_frame.get(), JValue()); |
| if (result != NULL) { |
| *result = r; |
| } |
| } else { |
| // We don't expect to be asked to interpret native code (which is entered via a JNI compiler |
| // generated stub) except during testing and image writing. |
| if (!Runtime::Current()->IsStarted()) { |
| UnstartedRuntimeJni(self, method, receiver, args, result); |
| } else { |
| InterpreterJni(self, method, shorty, receiver, args, result); |
| } |
| } |
| self->PopShadowFrame(); |
| } |
| |
| JValue EnterInterpreterFromDeoptimize(Thread* self, ShadowFrame& shadow_frame, JValue ret_val) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| MethodHelper mh(shadow_frame.GetMethod()); |
| const DexFile::CodeItem* code_item = mh.GetCodeItem(); |
| return Execute(self, mh, code_item, shadow_frame, ret_val); |
| } |
| |
| void EnterInterpreterFromLLVM(Thread* self, ShadowFrame* shadow_frame, JValue* ret_val) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| JValue value; |
| MethodHelper mh(shadow_frame->GetMethod()); |
| const DexFile::CodeItem* code_item = mh.GetCodeItem(); |
| while (shadow_frame != NULL) { |
| value = Execute(self, mh, code_item, *shadow_frame, value); |
| ShadowFrame* old_frame = shadow_frame; |
| shadow_frame = shadow_frame->GetLink(); |
| mh.ChangeMethod(shadow_frame->GetMethod()); |
| delete old_frame; |
| } |
| ret_val->SetJ(value.GetJ()); |
| } |
| |
| JValue EnterInterpreterFromStub(Thread* self, MethodHelper& mh, const DexFile::CodeItem* code_item, |
| ShadowFrame& shadow_frame) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| return Execute(self, mh, code_item, shadow_frame, JValue()); |
| } |
| |
| } // namespace interpreter |
| } // namespace art |
