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annotate agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeInvoke.java @ 2042:0a8e0d4345b3 hs20-b05 jdk7-b124
7010068: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - first pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: jcoomes
| author | trims |
|---|---|
| date | Mon, 03 Jan 2011 15:30:05 -0800 |
| parents | 136b78722a08 |
| children | da91efe96a93 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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7010068: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - first pass
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2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.interpreter; | |
| 26 | |
| 27 import sun.jvm.hotspot.oops.*; | |
| 28 import sun.jvm.hotspot.runtime.*; | |
| 29 import sun.jvm.hotspot.utilities.*; | |
| 30 | |
| 31 public class BytecodeInvoke extends BytecodeWithCPIndex { | |
| 32 BytecodeInvoke(Method method, int bci) { | |
| 33 super(method, bci); | |
| 34 } | |
| 35 | |
| 36 public static BytecodeInvoke at(Method method, int bci) { | |
| 37 BytecodeInvoke b = new BytecodeInvoke(method, bci); | |
| 38 if (Assert.ASSERTS_ENABLED) { | |
| 39 b.verify(); | |
| 40 } | |
| 41 return b; | |
| 42 } | |
| 43 | |
| 44 /** Like at, but returns null if the BCI is not at an invoke */ | |
| 45 public static BytecodeInvoke atCheck(Method method, int bci) { | |
| 46 BytecodeInvoke b = new BytecodeInvoke(method, bci); | |
| 47 return (b.isValid() ? b : null); | |
| 48 } | |
| 49 | |
| 50 public static BytecodeInvoke at(BytecodeStream bcs) { | |
| 51 return new BytecodeInvoke(bcs.method(), bcs.bci()); | |
| 52 } | |
| 53 | |
| 54 // returns the name of the invoked method | |
| 55 public Symbol name() { | |
| 56 ConstantPool cp = method().getConstants(); | |
| 1602 | 57 if (isInvokedynamic()) { |
| 58 int[] nt = cp.getNameAndTypeAt(indexForFieldOrMethod()); | |
| 59 return cp.getSymbolAt(nt[0]); | |
| 60 } | |
| 0 | 61 return cp.getNameRefAt(index()); |
| 62 } | |
| 63 | |
| 64 // returns the signature of the invoked method | |
| 65 public Symbol signature() { | |
| 66 ConstantPool cp = method().getConstants(); | |
| 1602 | 67 if (isInvokedynamic()) { |
| 68 int[] nt = cp.getNameAndTypeAt(indexForFieldOrMethod()); | |
| 69 return cp.getSymbolAt(nt[1]); | |
| 70 } | |
| 0 | 71 return cp.getSignatureRefAt(index()); |
| 72 } | |
| 73 | |
| 1602 | 74 public int getSecondaryIndex() { |
| 75 if (isInvokedynamic()) { | |
| 76 // change byte-ordering of 4-byte integer | |
| 77 return VM.getVM().getBytes().swapInt(javaSignedWordAt(1)); | |
| 78 } | |
| 79 return super.getSecondaryIndex(); // throw an error | |
| 80 } | |
| 81 | |
| 0 | 82 public Method getInvokedMethod() { |
| 83 return method().getConstants().getMethodRefAt(index()); | |
| 84 } | |
| 85 | |
| 86 // returns the result type (see BasicType.java) of the invoke | |
| 87 public int resultType() { | |
| 88 ResultTypeFinder rts = new ResultTypeFinder(signature()); | |
| 89 rts.iterate(); | |
| 90 return rts.type(); | |
| 91 } | |
| 92 | |
| 93 public int adjustedInvokeCode() { | |
| 94 return javaCode(); | |
| 95 } | |
| 96 | |
| 97 // "specified" method (from constant pool) | |
| 98 // FIXME: elided for now | |
| 99 // public Method staticTarget(); | |
| 100 | |
| 101 // Testers | |
| 102 public boolean isInvokeinterface() { return adjustedInvokeCode() == Bytecodes._invokeinterface; } | |
| 103 public boolean isInvokevirtual() { return adjustedInvokeCode() == Bytecodes._invokevirtual; } | |
| 104 public boolean isInvokestatic() { return adjustedInvokeCode() == Bytecodes._invokestatic; } | |
| 105 public boolean isInvokespecial() { return adjustedInvokeCode() == Bytecodes._invokespecial; } | |
| 1602 | 106 public boolean isInvokedynamic() { return adjustedInvokeCode() == Bytecodes._invokedynamic; } |
| 0 | 107 |
| 108 public boolean isValid() { return isInvokeinterface() || | |
| 109 isInvokevirtual() || | |
| 110 isInvokestatic() || | |
| 111 isInvokespecial(); } | |
| 112 public void verify() { | |
| 113 if (Assert.ASSERTS_ENABLED) { | |
| 114 Assert.that(isValid(), "check invoke"); | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 public String toString() { | |
| 119 StringBuffer buf = new StringBuffer(); | |
| 120 buf.append(getJavaBytecodeName()); | |
| 121 buf.append(spaces); | |
| 122 buf.append('#'); | |
| 123 buf.append(Integer.toString(indexForFieldOrMethod())); | |
| 1602 | 124 if (isInvokedynamic()) { |
| 125 buf.append('('); | |
| 126 buf.append(Integer.toString(getSecondaryIndex())); | |
| 127 buf.append(')'); | |
| 128 } | |
| 0 | 129 buf.append(" [Method "); |
| 130 StringBuffer sigBuf = new StringBuffer(); | |
| 131 new SignatureConverter(signature(), sigBuf).iterateReturntype(); | |
| 132 buf.append(sigBuf.toString().replace('/', '.')); | |
| 133 buf.append(spaces); | |
| 134 buf.append(name().asString()); | |
| 135 buf.append('('); | |
| 136 sigBuf = new StringBuffer(); | |
| 137 new SignatureConverter(signature(), sigBuf).iterateParameters(); | |
| 138 buf.append(sigBuf.toString().replace('/', '.')); | |
| 139 buf.append(')'); | |
| 140 buf.append(']'); | |
| 141 if (code() != javaCode()) { | |
| 142 buf.append(spaces); | |
| 143 buf.append('['); | |
| 144 buf.append(getBytecodeName()); | |
| 145 buf.append(']'); | |
| 146 } | |
| 147 return buf.toString(); | |
| 148 } | |
| 149 } |