Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/bsd/BsdCDebugger.java @ 8023:758935f7c23f
8006423: SA: NullPointerException in sun.jvm.hotspot.debugger.bsd.BsdThread.getContext(BsdThread.java:67)
Summary: Do not rely on mach thread port names to identify threads from SA
Reviewed-by: dholmes, minqi, rbackman
author | sla |
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date | Fri, 08 Feb 2013 12:48:24 +0100 |
parents | b9a9ed0f8eeb |
children |
rev | line source |
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3960 | 1 /* |
6842
b9a9ed0f8eeb
7197424: update copyright year to match last edit in jdk8 hotspot repository
mikael
parents:
6073
diff
changeset
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2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
3960 | 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); | |
6073
78d2ae5ab35b
7163117: Agent can't connect to process on Mac OSX
nloodin
parents:
3960
diff
changeset
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93 } else if (cpu.equals("amd64") || cpu.equals("x86_64")) { |
3960 | 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 } |