Mercurial > touhou

annotate pytouhou/utils/pe.py @ 354:89ee09453906

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix callbacks
author Thibaut Girka <thib@sitedethib.com>
date Sat, 07 Jul 2012 23:06:15 +0200
parents 5afc75f71fed
children e15672733c93
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
229
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
1 # -*- encoding: utf-8 -*-
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
2 ##
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
4 ##
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
5 ## This program is free software; you can redistribute it and/or modify
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
6 ## it under the terms of the GNU General Public License as published
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
7 ## by the Free Software Foundation; version 3 only.
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
8 ##
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
9 ## This program is distributed in the hope that it will be useful,
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
12 ## GNU General Public License for more details.
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
13 ##
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
14
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
15 from struct import Struct, unpack
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
16 from collections import namedtuple
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
17
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
18
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
19 class PEStructs:
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
20 _IMAGE_FILE_HEADER = namedtuple('_IMAGE_FILE_HEADER',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
21 ('Machine',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
22 'NumberOfSections',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
23 'TimeDateStamp',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
24 'PointerToSymbolTable',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
25 'NumberOfSymbols',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
26 'SizeOfOptionalHeader',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
27 'Characteristics'))
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
28 @classmethod
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
29 def read_image_file_header(cls, file):
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
30 format = Struct('<HHIIIHH')
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
31 return cls._IMAGE_FILE_HEADER(*format.unpack(file.read(format.size)))
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
32
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
33 _IMAGE_OPTIONAL_HEADER = namedtuple('_IMAGE_OPTIONAL_HEADER',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
34 ('Magic',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
35 'MajorLinkerVersion', 'MinorLinkerVersion',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
36 'SizeOfCode', 'SizeOfInitializedData',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
37 'SizeOfUninitializedData',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
38 'AddressOfEntryPoint', 'BaseOfCode',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
39 'BaseOfData', 'ImageBase',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
40 'SectionAlignement', 'FileAlignement',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
41 'MajorOperatingSystemVersion',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
42 'MinorOperatingSystemVersion',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
43 'MajorImageVersion',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
44 'MinorImageVersion',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
45 'MajorSubsystemVersion',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
46 'MinorSubsystemVersion',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
47 'Win32VersionValue',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
48 'SizeOfImage',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
49 'SizeOfHeaders',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
50 'CheckSum',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
51 'Subsystem',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
52 'DllCharacteristics',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
53 'SizeOfStackReserve',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
54 'SizeOfStackCommit',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
55 'SizeOfHeapReserve',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
56 'SizeOfHeapCommit',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
57 'LoaderFlags',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
58 'NumberOfRvaAndSizes',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
59 'DataDirectory'))
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
60 _IMAGE_DATA_DIRECTORY = namedtuple('_IMAGE_DATA_DIRECTORY',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
61 ('VirtualAddress', 'Size'))
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
62 @classmethod
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
63 def read_image_optional_header(cls, file):
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
64 format = Struct('<HBBIIIIIIIIIHHHHHHIIIIHHIIIIII')
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
65 directory_format = Struct('<II')
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
66 directory = []
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
67 partial_header = format.unpack(file.read(format.size))
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
68 directory = [cls._IMAGE_DATA_DIRECTORY(*directory_format.unpack(file.read(directory_format.size))) for i in xrange(16)]
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
69 return cls._IMAGE_OPTIONAL_HEADER(*(partial_header + (directory,)))
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
70
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
71 _IMAGE_SECTION_HEADER = namedtuple('_IMAGE_SECTION_HEADER',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
72 ('Name', 'VirtualSize',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
73 'VirtualAddress',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
74 'SizeOfRawData', 'PointerToRawData',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
75 'PointerToRelocations',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
76 'PointerToLinenumbers',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
77 'NumberOfRelocations',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
78 'NumberOfLinenumbers',
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
79 'Characteristics'))
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
80 @classmethod
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
81 def read_image_section_header(cls, file):
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
82 format = Struct('<8sIIIIIIHHI')
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
83 return cls._IMAGE_SECTION_HEADER(*format.unpack(file.read(format.size)))
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
84
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
85
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
86
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
87 class PEFile(object):
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
88 def __init__(self, file):
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
89 self.file = file
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
90
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
91 self.image_base = 0
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
92 self.sections = []
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
93
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
94 file.seek(0x3c)
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
95 pe_offset, = unpack('<I', file.read(4))
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
96
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
97 file.seek(pe_offset)
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
98 pe_sig = file.read(4)
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
99 assert pe_sig == b'PE\0\0'
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
100
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
101 pe_file_header = PEStructs.read_image_file_header(file)
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
102 pe_optional_header = PEStructs.read_image_optional_header(file)
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
103
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
104 # Read image base
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
105 self.image_base = pe_optional_header.ImageBase
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
106
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
107 self.sections = [PEStructs.read_image_section_header(file)
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
108 for i in xrange(pe_file_header.NumberOfSections)]
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
109
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
110
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
111 def seek_to_va(self, va):
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
112 self.file.seek(self.va_to_offset(va))
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
113
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
114
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
115 def offset_to_rva(self, offset):
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
116 for section in self.sections:
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
117 if 0 <= (offset - section.PointerToRawData) < section.SizeOfRawData:
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
118 #TODO: is that okay?
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
119 return offset - section.PointerToRawData + section.VirtualAddress
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
120 raise IndexError #TODO
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
121
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
122
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
123 def offset_to_va(self, offset):
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
124 return self.offset_to_rva(offset) + self.image_base
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
125
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
126
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
127 def rva_to_offset(self, rva):
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
128 for section in self.sections:
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
129 if 0 <= (rva - section.VirtualAddress) < section.SizeOfRawData:
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
130 #TODO: is that okay?
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
131 return rva - section.VirtualAddress + section.PointerToRawData
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
132 raise IndexError #TODO
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
133
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
134
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
135 def va_to_offset(self, va):
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
136 return self.rva_to_offset(va - self.image_base)
5afc75f71fed Add “SHT” support to EoSD, and do a little cleanup.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
137