1 /* 2 * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 package org.graalvm.compiler.bytecode; 26 27 import jdk.vm.ci.meta.ConstantPool; 28 import jdk.vm.ci.meta.ExceptionHandler; 29 import jdk.vm.ci.meta.LineNumberTable; 30 import jdk.vm.ci.meta.LocalVariableTable; 31 import jdk.vm.ci.meta.ProfilingInfo; 32 import jdk.vm.ci.meta.ResolvedJavaMethod; 33 34 /** 35 * Direct access to the bytecode of a {@link ResolvedJavaMethod} that will reflect any 36 * instrumentation and rewriting performed on the {@link ResolvedJavaMethod}. 37 */ 38 public class ResolvedJavaMethodBytecode implements Bytecode { 39 40 private final ResolvedJavaMethod method; 41 private final BytecodeProvider origin; 42 43 public ResolvedJavaMethodBytecode(ResolvedJavaMethod method) { 44 this(method, ResolvedJavaMethodBytecodeProvider.INSTANCE); 45 } 46 47 public ResolvedJavaMethodBytecode(ResolvedJavaMethod method, BytecodeProvider origin) { 48 this.method = method; 49 this.origin = origin; 50 } 51 52 @Override 53 public BytecodeProvider getOrigin() { 54 return origin; 55 } 56 57 @Override 58 public ResolvedJavaMethod getMethod() { 59 return method; 60 } 61 62 @Override 63 public byte[] getCode() { 64 return method.getCode(); 65 } 66 67 @Override 68 public int getCodeSize() { 69 return method.getCodeSize(); 70 } 71 72 @Override 73 public int getMaxStackSize() { 74 return method.getMaxStackSize(); 75 } 76 77 @Override 78 public int getMaxLocals() { 79 return method.getMaxLocals(); 80 } 81 82 @Override 83 public ConstantPool getConstantPool() { 84 return method.getConstantPool(); 85 } 86 87 @Override 88 public LineNumberTable getLineNumberTable() { 89 return method.getLineNumberTable(); 90 } 91 92 @Override 93 public LocalVariableTable getLocalVariableTable() { 94 return method.getLocalVariableTable(); 95 } 96 97 @Override 98 public ExceptionHandler[] getExceptionHandlers() { 99 return method.getExceptionHandlers(); 100 } 101 102 @Override 103 public StackTraceElement asStackTraceElement(int bci) { 104 return method.asStackTraceElement(bci); 105 } 106 107 @Override 108 public ProfilingInfo getProfilingInfo() { 109 return method.getProfilingInfo(); 110 } 111 112 @Override 113 public String toString() { 114 return getClass().getSimpleName() + method.format("<%h.%n(%p)>"); 115 } 116 }