Method parse_debug_directory

pythonmemorymodule/pefile.py:3981–4129

(self, rva, size)

        return entries

    def parse_debug_directory(self, rva, size):
        """"""

        dbg_size = Structure(self.__IMAGE_DEBUG_DIRECTORY_format__).sizeof()

        debug = []
        for idx in range(int(size / dbg_size)):
            try:
                data = self.get_data(rva + dbg_size * idx, dbg_size)
            except PEFormatError:
                self.__warnings.append(
                    "Invalid debug information. Can't read " "data at RVA: 0x%x" % rva
                )
                return None

            dbg = self.__unpack_data__(
                self.__IMAGE_DEBUG_DIRECTORY_format__,
                data,
                file_offset=self.get_offset_from_rva(rva + dbg_size * idx),
            )

            if not dbg:
                return None

            # apply structure according to DEBUG_TYPE
            # http://www.debuginfo.com/articles/debuginfomatch.html
            #
            dbg_type = None

            if dbg.Type == 1:
                # IMAGE_DEBUG_TYPE_COFF
                pass

            elif dbg.Type == 2:
                # if IMAGE_DEBUG_TYPE_CODEVIEW
                dbg_type_offset = dbg.PointerToRawData
                dbg_type_size = dbg.SizeOfData
                dbg_type_data = self.__data__[
                    dbg_type_offset : dbg_type_offset + dbg_type_size
                ]

                if dbg_type_data[:4] == b"RSDS":
                    # pdb7.0
                    __CV_INFO_PDB70_format__ = [
                        "CV_INFO_PDB70",
                        [
                            "I,CvSignature",
                            "I,Signature_Data1",  # Signature is of GUID type
                            "H,Signature_Data2",
                            "H,Signature_Data3",
                            "8s,Signature_Data4",
                            # 'H,Signature_Data5',
                            # 'I,Signature_Data6',
                            "I,Age",
                        ],
                    ]
                    pdbFileName_size = (
                        dbg_type_size - Structure(__CV_INFO_PDB70_format__).sizeof()