| // Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| package com.android.tools.r8.code; |
| |
| import com.android.tools.r8.graph.DexCallSite; |
| import com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.graph.DexMethodHandle; |
| import com.android.tools.r8.graph.DexValue; |
| import com.android.tools.r8.graph.DexValue.DexValueMethodHandle; |
| import com.android.tools.r8.graph.DexValue.DexValueType; |
| import com.android.tools.r8.graph.IndexedDexItem; |
| import com.android.tools.r8.graph.OffsetToObjectMapping; |
| import com.android.tools.r8.graph.UseRegistry; |
| import com.android.tools.r8.ir.conversion.IRBuilder; |
| |
| public class InvokeCustom extends Format35c { |
| |
| public static final int OPCODE = 0xfc; |
| public static final String NAME = "InvokeCustom"; |
| public static final String SMALI_NAME = "invoke-custom"; |
| |
| InvokeCustom(int high, BytecodeStream stream, OffsetToObjectMapping mapping) { |
| super(high, stream, mapping.getCallSiteMap()); |
| } |
| |
| public InvokeCustom(int A, IndexedDexItem BBBB, int C, int D, int E, int F, int G) { |
| super(A, BBBB, C, D, E, F, G); |
| } |
| |
| public String getName() { |
| return NAME; |
| } |
| |
| public String getSmaliName() { |
| return SMALI_NAME; |
| } |
| |
| public int getOpcode() { |
| return OPCODE; |
| } |
| |
| @Override |
| public void registerUse(UseRegistry registry) { |
| registerCallSite(registry, getCallSite()); |
| } |
| |
| @Override |
| public DexCallSite getCallSite() { |
| return (DexCallSite) BBBB; |
| } |
| |
| @Override |
| public void buildIR(IRBuilder builder) { |
| builder.addInvokeCustomRegisters(getCallSite(), A, new int[]{C, D, E, F, G}); |
| } |
| |
| @Override |
| public boolean canThrow() { |
| return true; |
| } |
| |
| static void registerCallSite(UseRegistry registry, DexCallSite callSite) { |
| InvokeCustom.registerMethodHandle(registry, callSite.bootstrapMethod); |
| |
| // Register bootstrap method arguments, only Type and MethodHandle need to be register. |
| for (DexValue arg : callSite.bootstrapArgs) { |
| if (arg instanceof DexValueType) { |
| registry.registerTypeReference(((DexValueType) arg).value); |
| } else if (arg instanceof DexValueMethodHandle) { |
| InvokeCustom.registerMethodHandle(registry, ((DexValueMethodHandle) arg).value); |
| } |
| } |
| } |
| |
| static void registerMethodHandle(UseRegistry registry, DexMethodHandle methodHandle) { |
| switch (methodHandle.type) { |
| case INSTANCE_GET: |
| registry.registerInstanceFieldRead(methodHandle.asField()); |
| break; |
| case INSTANCE_PUT: |
| registry.registerInstanceFieldWrite(methodHandle.asField()); |
| break; |
| case STATIC_GET: |
| registry.registerStaticFieldRead(methodHandle.asField()); |
| break; |
| case STATIC_PUT: |
| registry.registerStaticFieldWrite(methodHandle.asField()); |
| break; |
| case INVOKE_INSTANCE: |
| registry.registerInvokeVirtual(methodHandle.asMethod()); |
| break; |
| case INVOKE_STATIC: |
| registry.registerInvokeStatic(methodHandle.asMethod()); |
| break; |
| case INVOKE_CONSTRUCTOR: |
| DexMethod method = methodHandle.asMethod(); |
| registry.registerNewInstance(method.getHolder()); |
| registry.registerInvokeDirect(method); |
| break; |
| case INVOKE_INTERFACE: |
| registry.registerInvokeInterface(methodHandle.asMethod()); |
| break; |
| case INVOKE_SUPER: |
| registry.registerInvokeSuper(methodHandle.asMethod()); |
| break; |
| default: |
| throw new AssertionError(); |
| } |
| } |
| } |