1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
//
// TextMap.cs
//
// Author:
// Jb Evain (jbevain@gmail.com)
//
// Copyright (c) 2008 - 2011 Jb Evain
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
#if !READ_ONLY
using RVA = System.UInt32;
namespace Mono.Cecil.PE {
enum TextSegment {
ImportAddressTable,
CLIHeader,
Code,
Resources,
Data,
StrongNameSignature,
// Metadata
MetadataHeader,
TableHeap,
StringHeap,
UserStringHeap,
GuidHeap,
BlobHeap,
// End Metadata
DebugDirectory,
ImportDirectory,
ImportHintNameTable,
StartupStub,
}
sealed class TextMap {
readonly Range [] map = new Range [16 /*Enum.GetValues (typeof (TextSegment)).Length*/];
public void AddMap (TextSegment segment, int length)
{
map [(int) segment] = new Range (GetStart (segment), (uint) length);
}
public void AddMap (TextSegment segment, int length, int align)
{
align--;
AddMap (segment, (length + align) & ~align);
}
public void AddMap (TextSegment segment, Range range)
{
map [(int) segment] = range;
}
public Range GetRange (TextSegment segment)
{
return map [(int) segment];
}
public DataDirectory GetDataDirectory (TextSegment segment)
{
var range = map [(int) segment];
return new DataDirectory (range.Length == 0 ? 0 : range.Start, range.Length);
}
public RVA GetRVA (TextSegment segment)
{
return map [(int) segment].Start;
}
public RVA GetNextRVA (TextSegment segment)
{
var i = (int) segment;
return map [i].Start + map [i].Length;
}
public int GetLength (TextSegment segment)
{
return (int) map [(int) segment].Length;
}
RVA GetStart (TextSegment segment)
{
var index = (int) segment;
return index == 0 ? ImageWriter.text_rva : ComputeStart (index);
}
RVA ComputeStart (int index)
{
index--;
return map [index].Start + map [index].Length;
}
public uint GetLength ()
{
var range = map [(int) TextSegment.StartupStub];
return range.Start - ImageWriter.text_rva + range.Length;
}
}
}
#endif
|
