|
1 /* |
|
2 * Copyright (c) 2004-2008 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 */ |
|
17 |
|
18 using System; |
|
19 using System.Collections.Generic; |
|
20 using System.Text; |
|
21 using SymbianParserLib.Engine; |
|
22 using CrashDebuggerLib.Structures.KernelObjects; |
|
23 using CrashDebuggerLib.Structures.Process; |
|
24 using CrashDebuggerLib.Structures.CodeSeg; |
|
25 using CrashDebuggerLib.Structures.Thread; |
|
26 using SymbianParserLib.Elements; |
|
27 using SymbianParserLib.Enums; |
|
28 using SymbianParserLib.BaseStructures; |
|
29 |
|
30 namespace CrashDebuggerLib.Parsers.State.Implementation.Helpers |
|
31 { |
|
32 internal class HelperStack |
|
33 { |
|
34 #region Constructors |
|
35 public HelperStack() |
|
36 { |
|
37 } |
|
38 #endregion |
|
39 |
|
40 #region API |
|
41 public void CreateStackParagraphs( ParserEngine aEngine, DThread aThread ) |
|
42 { |
|
43 ParserParagraph p1 = PrepareUserStack( aThread.StackInfoUser ); |
|
44 ParserParagraph p2 = PrepareSupervisorStack( aThread.StackInfoSupervisor ); |
|
45 // |
|
46 aEngine.Add( p1, p2 ); |
|
47 } |
|
48 #endregion |
|
49 |
|
50 #region Internal constants |
|
51 private const string KParagraphUser = "STACK_USER"; |
|
52 #endregion |
|
53 |
|
54 #region Call-back methods |
|
55 void NoUserStackCallBack( ParserElementBase aElement ) |
|
56 { |
|
57 // Called back when a thread has no user stack - in which case, dump the |
|
58 // user-stack items as they will prevent us gathering the supervisor info. |
|
59 ParserLine line = (ParserLine) aElement; |
|
60 ParserParagraph para = line.Paragraph; |
|
61 // |
|
62 foreach ( ParserLine l in para ) |
|
63 { |
|
64 l.IsDisabled = true; |
|
65 } |
|
66 } |
|
67 |
|
68 void DisableUserStackParagraph( ParserElementBase aElement ) |
|
69 { |
|
70 // Called back when the first supervisor stack item fires. We |
|
71 // must disable all items in the user-paragraph so that they don't |
|
72 // intercept things like the current stack pointer. |
|
73 ParserLine line = (ParserLine) aElement; |
|
74 ParserParagraph para = line.Paragraph; |
|
75 ParserEngine engine = (ParserEngine) para.Parent; |
|
76 // |
|
77 foreach ( ParserParagraph paragraph in engine ) |
|
78 { |
|
79 if ( paragraph.Name == KParagraphUser ) |
|
80 { |
|
81 paragraph.IsDisabled = true; |
|
82 break; |
|
83 } |
|
84 } |
|
85 } |
|
86 |
|
87 void SetFirstStackBytesStartingAddress( ParserField aField, uint aValue ) |
|
88 { |
|
89 ThreadStackInfo stackInfo = (ThreadStackInfo) aField.Tag; |
|
90 ThreadStackData stackData = stackInfo.Data; |
|
91 stackData.SetStartingAddress( aValue ); |
|
92 } |
|
93 #endregion |
|
94 |
|
95 #region Internal methods |
|
96 private ParserParagraph PrepareUserStack( ThreadStackInfo aStackInfo ) |
|
97 { |
|
98 ParserParagraph para = new ParserParagraph( KParagraphUser ); |
|
99 // |
|
100 ParserLine l0 = ParserLine.New( "No user-mode stack" ); |
|
101 l0.ElementComplete += new ParserElementBase.ElementCompleteHandler( NoUserStackCallBack ); |
|
102 // |
|
103 ParserLine l1 = ParserLine.NewSymFormat( "User stack base at %08x, size == %x\r\n" ); |
|
104 l1.SetTargetProperties( aStackInfo, "BaseAddress", "Size" ); |
|
105 // |
|
106 ParserLine l2 = ParserLine.NewSymFormat( "Stack pointer == %08x\r\n" ); |
|
107 l2.SetTargetProperties( aStackInfo, "StackPointer" ); |
|
108 // |
|
109 // Not needed - ParserLine l3 = ParserLine.NewSymFormat( "Stack mapped at %08x\r\n" ); |
|
110 //l3.SetTargetProperties( aStackInfo.Data, "MappedAddress" ); |
|
111 |
|
112 // Collect the raw stack bytes |
|
113 ParserLine l4 = ParserLine.NewSymFormat( "%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" ); |
|
114 l4.IsNeverEnding = true; |
|
115 l4.DisableWhenComplete = false; |
|
116 l4.SetTargetMethod( aStackInfo.Data, "Add" ); |
|
117 |
|
118 // Record the starting address of the stack data |
|
119 l4[ 0 ].SetTargetMethod( this, "SetFirstStackBytesStartingAddress" ); |
|
120 l4[ 0 ].Tag = aStackInfo; |
|
121 // |
|
122 para.Add( l0, l1, l2, l4 ); |
|
123 return para; |
|
124 } |
|
125 |
|
126 private ParserParagraph PrepareSupervisorStack( ThreadStackInfo aStackInfo ) |
|
127 { |
|
128 ParserParagraph para = new ParserParagraph( "STACK_SUPERVISOR" ); |
|
129 // |
|
130 ParserLine l1 = ParserLine.NewSymFormat( "Supervisor stack base at %08x, size == %x\r\n" ); |
|
131 l1.ElementComplete += new ParserElementBase.ElementCompleteHandler( DisableUserStackParagraph ); |
|
132 l1.SetTargetProperties( aStackInfo, "BaseAddress", "Size" ); |
|
133 // |
|
134 ParserLine l2 = ParserLine.NewSymFormat( "Stack pointer == %08x\r\n" ); |
|
135 l2.SetTargetProperties( aStackInfo, "StackPointer" ); |
|
136 |
|
137 // Collect the raw stack bytes |
|
138 ParserLine l3 = ParserLine.NewSymFormat( "%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" ); |
|
139 l3.IsNeverEnding = true; |
|
140 l3.DisableWhenComplete = false; |
|
141 l3.SetTargetMethod( aStackInfo.Data, "Add" ); |
|
142 |
|
143 // Record the starting address of the stack data |
|
144 l3[ 0 ].SetTargetMethod( this, "SetFirstStackBytesStartingAddress" ); |
|
145 l3[ 0 ].Tag = aStackInfo; |
|
146 // |
|
147 para.Add( l1, l2, l3 ); |
|
148 return para; |
|
149 } |
|
150 #endregion |
|
151 |
|
152 #region Data members |
|
153 #endregion |
|
154 } |
|
155 } |