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Add parsing for IMAGE_DEBUG_TYPE_EX_DLLCHARACTERISTICS #365

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merged 2 commits into from
Aug 26, 2024
Merged

Add parsing for IMAGE_DEBUG_TYPE_EX_DLLCHARACTERISTICS #365

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19101ee
Add parsing for IMAGE_DEBUG_TYPE_EX_DLLCHARACTERISTICS
aursulis Feb 6, 2023
a60cc07
Merge branch 'master' into parse-ex-dllcharacteristics
erocarrera Aug 26, 2024
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30 changes: 30 additions & 0 deletions pefile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -350,6 +350,12 @@ def two_way_dict(pairs):

DLL_CHARACTERISTICS = two_way_dict(dll_characteristics)

ex_dll_characteristics = [
("IMAGE_DLLCHARACTERISTICS_EX_CET_COMPAT", 0x0001),
]

EX_DLL_CHARACTERISTICS = two_way_dict(ex_dll_characteristics)

MIN_VALID_FILE_ALIGNMENT = 0x200
SECTOR_SIZE = 0x200

Expand Down Expand Up @@ -4554,6 +4560,30 @@ def parse_debug_directory(self, rva, size):
___IMAGE_DEBUG_MISC_format__, dbg_type_data, dbg_type_offset
)

elif dbg.Type == 20:
# IMAGE_DEBUG_TYPE_EX_DLLCHARACTERISTICS
dbg_type_offset = dbg.PointerToRawData
dbg_type_size = dbg.SizeOfData
dbg_type_data = self.__data__[
dbg_type_offset : dbg_type_offset + dbg_type_size
]
# Note: the names for these formats and structure members are made up.
# They are not documented properly.
___IMAGE_DEBUG_EX_DLLCHARACTERISTICS_format__ = [
"IMAGE_DEBUG_EX_DLLCHARACTERISTICS",
[
"I,ExDllCharacteristics",
],
]
dbg_type = self.__unpack_data__(
___IMAGE_DEBUG_EX_DLLCHARACTERISTICS_format__, dbg_type_data, dbg_type_offset
)

ex_dll_characteristics_flags = retrieve_flags(
EX_DLL_CHARACTERISTICS, "IMAGE_DLLCHARACTERISTICS_EX_"
)
set_flags(dbg_type, dbg_type.ExDllCharacteristics, ex_dll_characteristics_flags)

debug.append(DebugData(struct=dbg, entry=dbg_type))

return debug
Expand Down
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