d ddlmZddlmZddlmZddlmZGddeZ Gdd eZ Gd d e Z Gd d e Z Gdde Z dZy)) struct_parse)EHABIBytecodeDecoder)EHABI_INDEX_ENTRY_SIZE) EHABIStructsc.eZdZdZdZdZdZdZdZy) EHABIInfoa ARM exception handler abi information class. Parameters: arm_idx_section: elf.sections.Section object, section which type is SHT_ARM_EXIDX. little_endian: bool, endianness of elf file. c@||_t||_d|_yN)_arm_idx_sectionr_struct _num_entry)selfarm_idx_section little_endians :/usr/lib/python3/dist-packages/elftools/ehabi/ehabiinfo.py__init__zEHABIInfo.__init__s /#M2 c.|jjSr )r namers r section_namezEHABIInfo.section_name"s$$)))rc |jdS)N sh_offset)r rs rsection_offsetzEHABIInfo.section_offset%s$$[11rch|j|jdtz|_|jS)z; Number of exception handler entry in the section. sh_size)rr rrs r num_entryzEHABIInfo.num_entry(s0 ?? ""33I>BXXDOrc||jk\rtd||jfz|j|tzz}t |j j|jj|}|d|d}}|dzdk7rtd|zSt||j|tzz}|dk(r t|S|dzdk(rt||j|tzzdz}t |j j|jj|}|d}|dzdk(rt|t||S|d zdk7rtd |zS|d z d z}|dk(r!|d zdz |dzdz |dzg} t||| S|dk(s|dk(r|dz dz} |dz dz|dz dzg} |jjj!|dzt#| D]} t |j j|jjd} | j%| d z dz| j%| dz dz| j%| dz dz| j%| dz dzt||| |Std||fzS|dzdk7rtd |zS|d zdz |dzdz |dzg} t|d| S)zX Get the exception handler entry at index #n. (EHABIEntry object or a subclass) zInvalid entry %d/%dword0word1lz-Corrupt ARM exception handler table entry: %xripz)Corrupt ARM compact model table entry: %xiir)eh_table_offsetz/Unknown ARM compact model %d at table entry: %xi)r IndexErrorrrrrr EH_index_structr streamCorruptEHABIEntryarm_expand_prel31CannotUnwindEHABIEntryEH_table_structGenericEHABIEntry EHABIEntryseekrangeappend) rneh_index_entry_offset eh_index_datar r!function_offsetr) per_indexopcode more_wordirs r get_entryzEHABIInfo.get_entry/s!  2a5IIJ J $ 3 3 5$x/B6A8MuW[|\F%oy&II!^yA~!&" 4I$zT1EQJ$3FGF))0055o6IJ"9-7()E)EtG\G\GcGcdelm qBw$&67 qBw$&67 qAvo6 qAvo6 7 &oy&Zijj,-^bkmnao-oppz!Q&()TWX)XYYx'B.A0Eut|TFoq&9 9rN) __name__ __module__ __qualname____doc__rrrrr?rrr r s   *26:rr c*eZdZdZ ddZdZdZy)r2a Exception handler abi entry. Accessible attributes: function_offset: Integer. None if corrupt. (Reference: CorruptEHABIEntry) personality: Integer. None if corrupt or unwindable. (Reference: CorruptEHABIEntry, CannotUnwindEHABIEntry) 0/1/2 for ARM personality compact format. Others for generic personality. bytecode_array: Integer array. None if corrupt or unwindable or generic personality. (Reference: CorruptEHABIEntry, CannotUnwindEHABIEntry, GenericEHABIEntry) eh_table_offset: Integer. Only entries who point to .ARM.extab contains this field, otherwise return None. unwindable: bool. Whether this function is unwindable. corrupt: bool. Whether this entry is corrupt. NcX||_||_||_||_||_||_yr )r9 personalitybytecode_arrayr) unwindablecorrupt)rr9rGrHr)rIrJs rrzEHABIEntry.__init__s2 /&,.$ rcZ|jrt|jjSyr )rHrmnemonic_arrayrs rmnmemonic_arrayzEHABIEntry.mnmemonic_arrays%   '(;(;<KK Krcd|j|j|jrd|jznd|jfzS)Nz@zeh_table_offset=0x%x, )r9rGr)rHrs r__repr__zEHABIEntry.__repr__sJQ    ?C?S?S $t';'; ;Y[    U!! !r)NTF)r@rArBrCrrMrPrDrrr2r2hs"F"&   !rr2c(eZdZdZfdZdZxZS)r-z= This entry is corrupt. Attribute #corrupt will be True. cBtt| dddd||_y)NT)r9rGrHrJ)superr-rreason)rrT __class__s rrzCorruptEHABIEntry.__init__s* /RVgk8< 0 > rc d|jzS)Nz)rTrs rrPzCorruptEHABIEntry.__repr__s.<)r9rs rrPzCannotUnwindEHABIEntry.__repr__s>AUAUUUrrWrYs@rr/r/sGVrr/c(eZdZdZfdZdZxZS)r1zg This entry is generic model rather than ARM compact model.Attribute #bytecode_array will be None. c2tt| ||dy)N)rH)rSr1r)rr9rGrUs rrzGenericEHABIEntry.__init__s /]a/brc8d|j|jfzS)Nz:)r9rGrs rrPzGenericEHABIEntry.__repr__sKtOcOceieueuNvvvrrWrYs@rr1r1scwrr1c0|dz}|dzr|dz}||zdzS)zG address: uint32 place: uint32 return: uint64 iillrD)addressplacelocations rr.r.s2 #H*&& e 0 00rN) common.utilsrdecoderr constantsrstructsrobjectr r2r-r/r1r.rDrrris\()-!T:T:n9!9!x = = VZ Vw w 1r