Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/bugspot/StackTraceEntry.java @ 1913:3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
Summary: Allow CONSTANT_InvokeDynamic nodes to have any number of extra operands.
Reviewed-by: twisti
| author | jrose |
|---|---|
| date | Sat, 30 Oct 2010 13:08:23 -0700 |
| 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) 2001, 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.bugspot; | |
| 26 | |
| 27 import sun.jvm.hotspot.debugger.cdbg.*; | |
| 28 import sun.jvm.hotspot.oops.*; | |
| 29 import sun.jvm.hotspot.runtime.*; | |
| 30 | |
| 31 /** This class describes a frame in a stack trace. It abstracts over | |
| 32 C/C++ and Java frames. */ | |
| 33 | |
| 34 public class StackTraceEntry { | |
| 35 private CFrame cFrame; | |
| 36 private CDebugger dbg; | |
| 37 private JavaVFrame javaFrame; | |
| 38 private String value; // What is displayed in a stack trace | |
| 39 // For merging C and Java stack traces. | |
| 40 // For more precise stack traces, should probably have a way to | |
| 41 // convert a CFrame to a sun.jvm.hotspot.runtime.Frame. For now, | |
| 42 // doing similar algorithm to jdbx (which does not have intimate | |
| 43 // knowledge of the VM). | |
| 44 private boolean isUnknownCFrame; | |
| 45 | |
| 46 public StackTraceEntry(CFrame cFrame, CDebugger dbg) { | |
| 47 this.cFrame = cFrame; | |
| 48 this.dbg = dbg; | |
| 49 computeValue(); | |
| 50 } | |
| 51 | |
| 52 public StackTraceEntry(JavaVFrame javaFrame) { | |
| 53 this.javaFrame = javaFrame; | |
| 54 computeValue(); | |
| 55 } | |
| 56 | |
| 57 public boolean isCFrame() { return (cFrame != null); } | |
| 58 public boolean isJavaFrame() { return (javaFrame != null); } | |
| 59 public CFrame getCFrame() { return cFrame; } | |
| 60 public JavaVFrame getJavaFrame() { return javaFrame; } | |
| 61 public boolean isUnknownCFrame() { return isUnknownCFrame; } | |
| 62 public String toString() { | |
| 63 return value; | |
| 64 } | |
| 65 | |
| 66 private void computeValue() { | |
| 67 isUnknownCFrame = true; | |
| 68 value = "<unknown>"; | |
| 69 if (cFrame != null) { | |
| 70 PCFinder.Info info = PCFinder.findPC(cFrame.pc(), cFrame.loadObjectForPC(), dbg); | |
| 71 if (info.getName() != null) { | |
| 72 value = "(C) " + info.getName(); | |
| 73 isUnknownCFrame = false; | |
| 74 if (info.getConfidence() == PCFinder.LOW_CONFIDENCE) { | |
| 75 value = value + " (?)"; | |
| 76 } | |
| 77 if (info.getOffset() >= 0) { | |
| 78 value = value + " + 0x" + Long.toHexString(info.getOffset()); | |
| 79 } | |
| 80 } | |
| 81 } else if (javaFrame != null) { | |
| 82 isUnknownCFrame = false; | |
| 83 Method m = javaFrame.getMethod(); | |
| 84 value = "(J) " + m.externalNameAndSignature(); | |
| 85 } | |
| 86 } | |
| 87 } |