Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/runtime/SignatureConverter.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 | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
2 * Copyright (c) 2002, 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.runtime; | |
| 26 | |
| 27 import sun.jvm.hotspot.oops.*; | |
| 28 | |
| 29 public class SignatureConverter extends SignatureIterator { | |
| 30 private StringBuffer buf; | |
| 31 private boolean first = true; | |
| 32 | |
| 33 public SignatureConverter(Symbol sig, StringBuffer buf) { | |
| 34 super(sig); | |
| 35 this.buf = buf; | |
| 36 } | |
| 37 | |
| 38 public void doBool () { appendComma(); buf.append("boolean"); } | |
| 39 public void doChar () { appendComma(); buf.append("char"); } | |
| 40 public void doFloat () { appendComma(); buf.append("float"); } | |
| 41 public void doDouble() { appendComma(); buf.append("double"); } | |
| 42 public void doByte () { appendComma(); buf.append("byte"); } | |
| 43 public void doShort () { appendComma(); buf.append("short"); } | |
| 44 public void doInt () { appendComma(); buf.append("int"); } | |
| 45 public void doLong () { appendComma(); buf.append("long"); } | |
| 46 public void doVoid () { | |
| 47 if(isReturnType()) { | |
| 48 appendComma(); buf.append("void"); | |
| 49 } else { | |
| 50 throw new RuntimeException("Should not reach here"); | |
| 51 } | |
| 52 } | |
| 53 | |
| 54 public void doObject(int begin, int end) { doObject(begin, end, true); } | |
| 55 public void doArray (int begin, int end) { | |
| 56 appendComma(); | |
| 57 int inner = arrayInnerBegin(begin); | |
| 58 switch (_signature.getByteAt(inner)) { | |
| 59 case 'B': buf.append("byte"); break; | |
| 60 case 'C': buf.append("char"); break; | |
| 61 case 'D': buf.append("double"); break; | |
| 62 case 'F': buf.append("float"); break; | |
| 63 case 'I': buf.append("int"); break; | |
| 64 case 'J': buf.append("long"); break; | |
| 65 case 'S': buf.append("short"); break; | |
| 66 case 'Z': buf.append("boolean"); break; | |
| 67 case 'L': doObject(inner + 1, end, false); break; | |
| 68 default: break; | |
| 69 } | |
| 70 for (int i = 0; i < inner - begin + 1; i++) { | |
| 71 buf.append("[]"); | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 public void appendComma() { | |
| 76 if (!first) { | |
| 77 buf.append(", "); | |
| 78 } | |
| 79 first = false; | |
| 80 } | |
| 81 | |
| 82 private void doObject(int begin, int end, boolean comma) { | |
| 83 if (comma) { | |
| 84 appendComma(); | |
| 85 } | |
| 86 appendSubstring(begin, end - 1); | |
| 87 } | |
| 88 | |
| 89 private void appendSubstring(int begin, int end) { | |
| 90 for (int i = begin; i < end; i++) { | |
| 91 buf.append((char) (_signature.getByteAt(i) & 0xFF)); | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 private int arrayInnerBegin(int begin) { | |
| 96 while (_signature.getByteAt(begin) == '[') { | |
| 97 ++begin; | |
| 98 } | |
| 99 return begin; | |
| 100 } | |
| 101 } |