dX#ddlZddlmZddlmZddlmZddlmZedd Z ed d Z d Z d ddddde dZ Gdde ZGdde Zy)N) namedtuple) struct_parse DWARFError)_iter_CUs_in_section RangeEntryz=entry_offset entry_length begin_offset end_offset is_absoluteBaseAddressEntryzentry_offset base_addressc|jj||j}t|j|j |||j zdSNT) dwarfinfoget_addr start_indexr entry_offset entry_lengthlength)ecu start_offsets 7/usr/lib/python3/dist-packages/elftools/dwarf/ranges.py_translate_startx_lengthrsD<<((Q]];L annannlLSTS[S[D[]a bbcBt|j|jSN)r raddressrrs rrs*:1>>199*Urcpt|j|j|j|jdS)NF)r rrr end_offsetrs rrrs**Q^^Q^^UVUcUcefeqeqsx*yrcpt|j|j|j|jdSr )r rr start_address end_addressrs rrrs**Q^^Q^^UVUdUdfgfsfsuy*zrct|j|j|j|j|jzdSr )r rrr"rrs rrrsI*Q^^Q^^UVUdUdfgfufuxyyAyAgACG+Hrcvt|j|jj||jSr)r rrrindexrs rrrs+*:1>>2<  t||881<=A #rNcx|jj|tj|j |S)z Get a range list at the given offset in the section. The cu argument is necessary if the ranges section is a DWARFv5 debug_rnglists one, and the target rangelist contains indirect encodings )rUseekosSEEK_SET_parse_range_list_from_stream)r8rArs rr@z#RangeLists.get_range_list_at_offsetds- -11"55rcXt|jj|j|S)zpGet a DWARF v5 range list, addresses and offsets unresolved, at the given offset in the section )rr;Dwarf_rnglists_entriesrUrEs rrDz&RangeLists.get_range_list_at_offset_exns!DLL??fUUrc#K|jdk\}|jjDcic]J}|jD]5}d|jvr%|ddk\|k(r|jdj |7L}}}t |j}|j|D]}|j|||ycc}}ww)z Yields all range lists found in the section according to readelf rules. Scans the DIEs for rangelist offsets, then pulls those. Returned rangelists are always translated into lists of BaseAddressEntry/RangeEntry objects. r4 DW_AT_rangesr?N) r?rXrJ iter_DIEs attributesvaluelistkeyssortr@)r8ver5rdiecu_map all_offsetsrAs rrHzRangeLists.iter_range_liststs||q oo..0R||~R/R ]a5GD4P..066;R6RR6;;=) ! HF//vG G HRs-CAC >ACc|jdkr tdt|jj j }t |j||jS)zWFor DWARF5 returns an array of objects, where each one has an array of offsets r4z6CU iteration in rnglists is not supported with DWARF<5) r?rnextrXrJr;r rUDwarf_rnglists_CU_header)r8r;s rrJzRangeLists.iter_CUssR <z;RangeLists._parse_range_list_from_stream..s-S((8(89%DSs#&r)r base_addressF)rr begin_offsetr is_absolute) r?rerr;r_rUruDwarf_target_addrrWappendr r )r8rlstrrr s ` rr]z(RangeLists._parse_range_list_from_streams <<1 S C CT[[QSS SC#{{//1 +LL2226  E )LL2226 E 1$qJ"T^^3JJ/\XbcdJJz%1%)[[%5%5%7,%F%1#-$)  +,rr) rMrNrOrPr<r@rDrHrJrLr}r]rQrrr5r5Qs3 $6V H4\L<rr5)r[ collectionsr common.utilsrcommon.exceptionsr dwarf_utilr r r rrzobjectr1r5rQrrrsz "'*, &e f 02MNc VyzHnm4+9V+9Zqqr