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comparison agent/src/share/classes/sun/jvm/hotspot/debugger/bsd/BsdCDebugger.java @ 3960:f08d439fab8c

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7089790: integrate bsd-port changes Reviewed-by: kvn, twisti, jrose Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>
author never
date Sun, 25 Sep 2011 16:03:29 -0700
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children 78d2ae5ab35b
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3959:eda6988c0d81 3960:f08d439fab8c
1 /*
2 * Copyright (c) 2003, 2006, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 package sun.jvm.hotspot.debugger.bsd;
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.debugger.x86.*;
32 import sun.jvm.hotspot.debugger.amd64.*;
33 import sun.jvm.hotspot.debugger.bsd.x86.*;
34 import sun.jvm.hotspot.debugger.bsd.amd64.*;
35 import sun.jvm.hotspot.utilities.*;
36
37 class BsdCDebugger implements CDebugger {
38 private BsdDebugger dbg;
39
40 BsdCDebugger(BsdDebugger dbg) {
41 this.dbg = dbg;
42 }
43
44 public List getThreadList() throws DebuggerException {
45 return dbg.getThreadList();
46 }
47
48 public List/*<LoadObject>*/ getLoadObjectList() throws DebuggerException {
49 return dbg.getLoadObjectList();
50 }
51
52 public LoadObject loadObjectContainingPC(Address pc) throws DebuggerException {
53 if (pc == null) {
54 return null;
55 }
56 List objs = getLoadObjectList();
57 Object[] arr = objs.toArray();
58 // load objects are sorted by base address, do binary search
59 int mid = -1;
60 int low = 0;
61 int high = arr.length - 1;
62
63 while (low <= high) {
64 mid = (low + high) >> 1;
65 LoadObject midVal = (LoadObject) arr[mid];
66 long cmp = pc.minus(midVal.getBase());
67 if (cmp < 0) {
68 high = mid - 1;
69 } else if (cmp > 0) {
70 long size = midVal.getSize();
71 if (cmp >= size) {
72 low = mid + 1;
73 } else {
74 return (LoadObject) arr[mid];
75 }
76 } else { // match found
77 return (LoadObject) arr[mid];
78 }
79 }
80 // no match found.
81 return null;
82 }
83
84 public CFrame topFrameForThread(ThreadProxy thread) throws DebuggerException {
85 String cpu = dbg.getCPU();
86 if (cpu.equals("x86")) {
87 X86ThreadContext context = (X86ThreadContext) thread.getContext();
88 Address ebp = context.getRegisterAsAddress(X86ThreadContext.EBP);
89 if (ebp == null) return null;
90 Address pc = context.getRegisterAsAddress(X86ThreadContext.EIP);
91 if (pc == null) return null;
92 return new BsdX86CFrame(dbg, ebp, pc);
93 } else if (cpu.equals("amd64")) {
94 AMD64ThreadContext context = (AMD64ThreadContext) thread.getContext();
95 Address rbp = context.getRegisterAsAddress(AMD64ThreadContext.RBP);
96 if (rbp == null) return null;
97 Address pc = context.getRegisterAsAddress(AMD64ThreadContext.RIP);
98 if (pc == null) return null;
99 return new BsdAMD64CFrame(dbg, rbp, pc);
100 } else {
101 throw new DebuggerException(cpu + " is not yet supported");
102 }
103 }
104
105 public String getNameOfFile(String fileName) {
106 return new File(fileName).getName();
107 }
108
109 public ProcessControl getProcessControl() throws DebuggerException {
110 // FIXME: after stabs parser
111 return null;
112 }
113
114 public boolean canDemangle() {
115 return false;
116 }
117
118 public String demangle(String sym) {
119 throw new UnsupportedOperationException();
120 }
121 }