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comparison agent/src/share/classes/sun/jvm/hotspot/debugger/proc/ProcCDebugger.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.debugger.proc;
26
27 import java.io.*;
28 import java.util.*;
29 import sun.jvm.hotspot.debugger.*;
30 import sun.jvm.hotspot.debugger.cdbg.*;
31 import sun.jvm.hotspot.utilities.*;
32
33 class ProcCDebugger implements CDebugger {
34 private ProcDebugger dbg;
35
36 ProcCDebugger(ProcDebugger dbg) {
37 this.dbg = dbg;
38 }
39
40 public List getThreadList() throws DebuggerException {
41 return dbg.getThreadList();
42 }
43
44 public List/*<LoadObject>*/ getLoadObjectList() throws DebuggerException {
45 return dbg.getLoadObjectList();
46 }
47
48 public LoadObject loadObjectContainingPC(Address pc) throws DebuggerException {
49 if (pc == null) {
50 return null;
51 }
52 List objs = getLoadObjectList();
53 Object[] arr = objs.toArray();
54 // load objects are sorted by base address, do binary search
55 int mid = -1;
56 int low = 0;
57 int high = arr.length - 1;
58
59 while (low <= high) {
60 mid = (low + high) >> 1;
61 LoadObject midVal = (LoadObject) arr[mid];
62 long cmp = pc.minus(midVal.getBase());
63 if (cmp < 0) {
64 high = mid - 1;
65 } else if (cmp > 0) {
66 long size = midVal.getSize();
67 if (cmp >= size) {
68 low = mid + 1;
69 } else {
70 return (LoadObject) arr[mid];
71 }
72 } else { // match found
73 return (LoadObject) arr[mid];
74 }
75 }
76 // no match found.
77 return null;
78 }
79
80 public CFrame topFrameForThread(ThreadProxy thread) throws DebuggerException {
81 return dbg.topFrameForThread(thread);
82 }
83
84 public String getNameOfFile(String fileName) {
85 return new File(fileName).getName();
86 }
87
88 public ProcessControl getProcessControl() throws DebuggerException {
89 // FIXME: after stabs parser
90 return null;
91 }
92
93 // C++ name demangling
94 public boolean canDemangle() {
95 return true;
96 }
97
98 public String demangle(String sym) {
99 return dbg.demangle(sym);
100 }
101 }