dQ`ddlZddlmZddlmZddlmZddlZeddZGdd e Z y) N) namedtuple) struct_parse) bisect_right ARangeEntryzKbegin_addr length info_offset unit_length version address_size segment_sizec*eZdZdZdZdZddZdZy)ARangesz ARanges table in DWARF stream, size: A stream holding the .debug_aranges section, and its size structs: A DWARFStructs instance for parsing the data c||_||_||_|j|_|jj d|jDcgc]}|j c}|_ycc}w)Nc|jS)N) begin_addr)entrys 8/usr/lib/python3/dist-packages/elftools/dwarf/aranges.pyz"ARanges.__init__..)s E,<,<)key)streamsizestructs _get_entriesentriessortr keys)selfrrrr s r__init__zARanges.__init__ sb   ((*  <=48<<@%U%%@ @sA2c|jt|j|dz }|j|cxkr'|j|jzkr|j Syy)z Given an address, get the offset of the CU it belongs to, where 'offset' refers to the offset in the .debug_info section. N)rrrr length info_offset)raddrtups rcu_offset_at_addrzARanges.cu_offset_at_addr/sUll< 481<= >>T ?CNNSZZ$? ??? " @rc |jjdg}d}||jkrt|jj |j|}|j |d}|ddk(r8|ddz}|jj}ttj|t|z |z}|jj|d} t|d|j} t|d|j} | dk7s | dk7s| s|r|jt| | |d|d |d |d|d d } | dk7s| dk7r8t|d|j} t|d|j} | dk7rz| dk7r| s|rn|ddk7r td ||jz|jj!z}||jkr|S)aM Populate self.entries with ARangeEntry tuples for each range of addresses Terminating null entries of CU blocks are not returned, unless need_empty is set to True and the CU block contains nothing but a null entry. The null entry will have both address and length set to 0. r address_size segment_sizerFrrdebug_info_offset unit_lengthversion)r rrr&r'r#r$TzSegmentation not implemented)rseekrrrDwarf_aranges_header_get_addr_size_structtellintmathceilfloatappendrNotImplementedErrorr&initial_length_field_size) r need_emptyroffsetaranges_header addr_size tuple_sizefpseek_to got_entriesrrs rrzARanges._get_entries;s tyy )$,,*K*K V%N22>.3QRIn-2+N;a? [[%%'dii5+<(<= JK   ) $ $If$5t{{C%i&94;;Gai6Q;{zNN#t#)(67J(K(6}(E$29$=)7)G)7)G IJ#'KqyFaK+If,=t{{K!-i.A4;;!Oai6Q;{z  /14)*HII ,,-,,88:;FQtyy Xrcr|dk(r|jjS|dk(sJ|jjS)z} Given this set's header value (int) for the address size, get the Construct representation of that size )r Dwarf_uint32 Dwarf_uint64)raddr_header_values rr*zARanges._get_addr_size_structvs:  !<<,, ,$) ))<<,, ,rN)F)__name__ __module__ __qualname____doc__rr!rr*rrr r s A9v-rr ) os collectionsr common.utilsrbisectrr-robjectr rErrrKs6 "' QS g-fg-r