blob: 29781bcd47fefad3466fc65ce6b78dd94c3f5498 [file] [log] [blame]
/*
* 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_file-inl.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, uint32_t* 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(reinterpret_cast<Object*>(args[0])->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, 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 = reinterpret_cast<Object*>(args[0])->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 = reinterpret_cast<Object*>(args[0])->GetClass()->GetComponentType();
jint srcPos = args[1];
jint dstPos = args[3];
jint length = args[4];
if (!ctype->IsPrimitive()) {
ObjectArray<Object>* src = reinterpret_cast<Object*>(args[0])->AsObjectArray<Object>();
ObjectArray<Object>* dst = reinterpret_cast<Object*>(args[2])->AsObjectArray<Object>();
for (jint i = 0; i < length; ++i) {
dst->Set(dstPos + i, src->Get(srcPos + i));
}
} else if (ctype->IsPrimitiveChar()) {
CharArray* src = reinterpret_cast<Object*>(args[0])->AsCharArray();
CharArray* dst = reinterpret_cast<Object*>(args[2])->AsCharArray();
for (jint i = 0; i < length; ++i) {
dst->Set(dstPos + i, src->Get(srcPos + i));
}
} else if (ctype->IsPrimitiveInt()) {
IntArray* src = reinterpret_cast<Object*>(args[0])->AsIntArray();
IntArray* dst = reinterpret_cast<Object*>(args[2])->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, 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, uint32_t* 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)") {
JValue value;
value.SetJ((static_cast<uint64_t>(args[1]) << 32) | args[0]);
result->SetD(log(value.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]);
} else if (name == "float java.lang.Float.intBitsToFloat(int)") {
result->SetI(args[0]);
} else if (name == "double java.lang.Math.exp(double)") {
JValue value;
value.SetJ((static_cast<uint64_t>(args[1]) << 32) | args[0]);
result->SetD(exp(value.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 = reinterpret_cast<Object*>(args[0])->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], args[1]));
} else if (name == "java.lang.Object java.lang.reflect.Array.createMultiArray(java.lang.Class, int[])") {
result->SetL(Array::CreateMultiArray(self, reinterpret_cast<Object*>(args[0])->AsClass(), reinterpret_cast<Object*>(args[1])->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 = reinterpret_cast<Object*>(args[0]);
jlong offset = (static_cast<uint64_t>(args[2]) << 32) | args[1];
jint expectedValue = args[3];
jint newValue = args[4];
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 = reinterpret_cast<Object*>(args[0]);
Object* newValue = reinterpret_cast<Object*>(args[3]);
obj->SetFieldObject(MemberOffset((static_cast<uint64_t>(args[2]) << 32) | args[1]), 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, uint32_t* 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]));
} 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]));
} 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>(reinterpret_cast<Object*>(args[0])));
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], args[1]));
} 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>(reinterpret_cast<Object*>(args[0])));
ScopedThreadStateChange tsc(self, kNative);
result->SetI(fn(soa.Env(), klass.get(), arg0.get(), args[1]));
} 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], args[1]));
} 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], args[1]);
} 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>(reinterpret_cast<Object*>(args[0])));
ScopedLocalRef<jobject> arg1(soa.Env(),
soa.AddLocalReference<jobject>(reinterpret_cast<Object*>(args[1])));
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>(reinterpret_cast<Object*>(args[1])));
ScopedLocalRef<jobject> arg2(soa.Env(),
soa.AddLocalReference<jobject>(reinterpret_cast<Object*>(args[2])));
ScopedThreadStateChange tsc(self, kNative);
result->SetZ(fn(soa.Env(), klass.get(), args[0], 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>(reinterpret_cast<Object*>(args[1])));
ScopedThreadStateChange tsc(self, kNative);
fn(soa.Env(), klass.get(), args[0], arg1.get(), args[2], args[3]);
} 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>(reinterpret_cast<Object*>(args[0])));
ScopedLocalRef<jobject> arg2(soa.Env(),
soa.AddLocalReference<jobject>(reinterpret_cast<Object*>(args[2])));
ScopedThreadStateChange tsc(self, kNative);
fn(soa.Env(), klass.get(), arg0.get(), args[1], arg2.get(), args[3], args[4]);
} 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>(reinterpret_cast<Object*>(args[0])));
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], args[1]));
} 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, receiver, dec_insn.vC + (type != kStatic ? 1 : 0));
} else {
arg_array.BuildArgArray(shadow_frame, receiver, dec_insn.arg + (type != kStatic ? 1 : 0));
}
if (LIKELY(Runtime::Current()->IsStarted())) {
JValue unused_result;
if (mh.IsReturnFloatOrDouble()) {
target_method->Invoke(self, arg_array.GetArray(), arg_array.GetNumBytes(),
&unused_result, result);
} else {
target_method->Invoke(self, arg_array.GetArray(), arg_array.GetNumBytes(),
result, &unused_result);
}
} else {
uint32_t* args = arg_array.GetArray();
if (type != kStatic) {
args++;
}
UnstartedRuntimeInvoke(self, target_method, receiver, args, 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,
uint32_t* args, JValue* result, JValue* float_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();
for (size_t shorty_pos = 0, arg_pos = 0; cur_reg < num_regs; ++shorty_pos, ++arg_pos, cur_reg++) {
DCHECK_LT(shorty_pos + 1, mh.GetShortyLength());
switch (shorty[shorty_pos + 1]) {
case 'L': {
Object* o = reinterpret_cast<Object*>(args[arg_pos]);
shadow_frame->SetVRegReference(cur_reg, o);
break;
}
case 'J': case 'D': {
uint64_t wide_value = (static_cast<uint64_t>(args[arg_pos + 1]) << 32) | args[arg_pos];
shadow_frame->SetVRegLong(cur_reg, wide_value);
cur_reg++;
arg_pos++;
break;
}
default:
shadow_frame->SetVReg(cur_reg, args[arg_pos]);
break;
}
}
if (LIKELY(!method->IsNative())) {
JValue r = Execute(self, mh, code_item, *shadow_frame.get(), JValue());
if (result != NULL && float_result != NULL) {
if (mh.IsReturnFloatOrDouble()) {
*float_result = r;
} else {
*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()) {
if (mh.IsReturnFloatOrDouble()) {
UnstartedRuntimeJni(self, method, receiver, args, float_result);
} else {
UnstartedRuntimeJni(self, method, receiver, args, result);
}
} else {
if (mh.IsReturnFloatOrDouble()) {
InterpreterJni(self, method, shorty, receiver, args, float_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_) {
DCHECK_EQ(self, Thread::Current());
if (__builtin_frame_address(0) < self->GetStackEnd()) {
ThrowStackOverflowError(self);
return JValue();
}
return Execute(self, mh, code_item, shadow_frame, JValue());
}
} // namespace interpreter
} // namespace art