truffle: agent/src/share/classes/sun/jvm/hotspot/ci/ciInstanceKlass.java annotate

annotate agent/src/share/classes/sun/jvm/hotspot/ci/ciInstanceKlass.java @ 6972:bd7a7ce2e264

6830717: replay of compilations would help with debugging Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method. Reviewed-by: kvn, twisti, sspitsyn Contributed-by: yumin.qi@oracle.com

author	minqi
date	Mon, 12 Nov 2012 14:03:53 -0800
parents	da91efe96a93
children

rev	line source
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	1 /*
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3939 diff changeset	2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	4 *
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	7 * published by the Free Software Foundation.
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	8 *
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	13 * accompanied this code).
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	14 *
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	18 *
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	21 * questions.
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	22 *
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	23 */
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	24
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	25 package sun.jvm.hotspot.ci;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	26
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	27 import java.io.*;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	28 import java.util.*;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	29 import sun.jvm.hotspot.debugger.*;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	30 import sun.jvm.hotspot.memory.SystemDictionary;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	31 import sun.jvm.hotspot.runtime.*;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	32 import sun.jvm.hotspot.oops.*;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	33 import sun.jvm.hotspot.types.Type;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	34 import sun.jvm.hotspot.types.TypeDataBase;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	35 import sun.jvm.hotspot.types.WrongTypeException;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	36
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	37 public class ciInstanceKlass extends ciKlass {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	38 static {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	39 VM.registerVMInitializedObserver(new Observer() {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	40 public void update(Observable o, Object data) {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	41 initialize(VM.getVM().getTypeDataBase());
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	42 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	43 });
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	44 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	45
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	46 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	47 Type type = db.lookupType("ciInstanceKlass");
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	48 initStateField = new CIntField(type.getCIntegerField("_init_state"), 0);
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	49 isSharedField = new CIntField(type.getCIntegerField("_is_shared"), 0);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3939 diff changeset	50 CLASS_STATE_LINKED = db.lookupIntConstant("InstanceKlass::linked").intValue();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3939 diff changeset	51 CLASS_STATE_FULLY_INITIALIZED = db.lookupIntConstant("InstanceKlass::fully_initialized").intValue();
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	52 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	53
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	54 private static CIntField initStateField;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	55 private static CIntField isSharedField;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	56 private static int CLASS_STATE_LINKED;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	57 private static int CLASS_STATE_FULLY_INITIALIZED;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	58
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	59 public ciInstanceKlass(Address addr) {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	60 super(addr);
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	61 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	62
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	63 public int initState() {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	64 int initState = (int)initStateField.getValue(getAddress());
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	65 if (isShared() && initState < CLASS_STATE_LINKED) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 3939 diff changeset	66 InstanceKlass ik = (InstanceKlass)getMetadata();
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	67 initState = ik.getInitStateAsInt();
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	68 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	69 return initState;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	70 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	71
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	72 public boolean isShared() {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	73 return isSharedField.getValue(getAddress()) != 0;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	74 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	75
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	76 public boolean isLinked() {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	77 return initState() >= CLASS_STATE_LINKED;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	78 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	79
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	80 public boolean isInitialized() {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	81 return initState() == CLASS_STATE_FULLY_INITIALIZED;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	82 }
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	83
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	84 public void dumpReplayData(PrintStream out) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	85 InstanceKlass ik = (InstanceKlass)getMetadata();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	86 ConstantPool cp = ik.getConstants();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	87
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	88 // Try to record related loaded classes
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	89 Klass sub = ik.getSubklassKlass();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	90 while (sub != null) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	91 if (sub instanceof InstanceKlass) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	92 out.println("instanceKlass " + sub.getName().asString());
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	93 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	94 sub = sub.getNextSiblingKlass();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	95 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	96
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	97 final int length = (int) cp.getLength();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	98 out.print("ciInstanceKlass " + name() + " " + (isLinked() ? 1 : 0) + " " + (isInitialized() ? 1 : 0) + " " + length);
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	99 for (int index = 1; index < length; index++) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	100 out.print(" " + cp.getTags().at(index));
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	101 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	102 out.println();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	103 if (isInitialized()) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	104 Field[] staticFields = ik.getStaticFields();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	105 for (int i = 0; i < staticFields.length; i++) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	106 Field f = staticFields[i];
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	107 Oop mirror = ik.getJavaMirror();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	108 if (f.isFinal() && !f.hasInitialValue()) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	109 out.print("staticfield " + name() + " " +
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	110 OopUtilities.escapeString(f.getID().getName()) + " " +
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	111 f.getFieldType().getSignature().asString() + " ");
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	112 if (f instanceof ByteField) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	113 ByteField bf = (ByteField)f;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	114 out.println(bf.getValue(mirror));
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	115 } else if (f instanceof BooleanField) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	116 BooleanField bf = (BooleanField)f;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	117 out.println(bf.getValue(mirror) ? 1 : 0);
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	118 } else if (f instanceof ShortField) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	119 ShortField bf = (ShortField)f;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	120 out.println(bf.getValue(mirror));
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	121 } else if (f instanceof CharField) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	122 CharField bf = (CharField)f;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	123 out.println(bf.getValue(mirror) & 0xffff);
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	124 } else if (f instanceof IntField) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	125 IntField bf = (IntField)f;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	126 out.println(bf.getValue(mirror));
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	127 } else if (f instanceof LongField) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	128 LongField bf = (LongField)f;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	129 out.println(bf.getValue(mirror));
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	130 } else if (f instanceof FloatField) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	131 FloatField bf = (FloatField)f;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	132 out.println(Float.floatToRawIntBits(bf.getValue(mirror)));
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	133 } else if (f instanceof DoubleField) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	134 DoubleField bf = (DoubleField)f;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	135 out.println(Double.doubleToRawLongBits(bf.getValue(mirror)));
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	136 } else if (f instanceof OopField) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	137 OopField bf = (OopField)f;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	138 Oop value = bf.getValue(mirror);
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	139 if (value == null) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	140 out.println("null");
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	141 } else if (value.isInstance()) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	142 Instance inst = (Instance)value;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	143 if (inst.isA(SystemDictionary.getStringKlass())) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	144 out.println("\"" + OopUtilities.stringOopToEscapedString(inst) + "\"");
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	145 } else {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	146 out.println(inst.getKlass().getName().asString());
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	147 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	148 } else if (value.isObjArray()) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	149 ObjArray oa = (ObjArray)value;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	150 Klass ek = (ObjArrayKlass)oa.getKlass();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	151 out.println(oa.getLength() + " " + ek.getName().asString());
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	152 } else if (value.isTypeArray()) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	153 TypeArray ta = (TypeArray)value;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	154 out.println(ta.getLength());
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	155 } else {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	156 out.println(value);
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	157 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	158 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	159 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	160 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	161 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6725 diff changeset	162 }
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	163 }

Mercurial > hg > truffle

annotate agent/src/share/classes/sun/jvm/hotspot/ci/ciInstanceKlass.java @ 6972:bd7a7ce2e264