U md @sdZddlZddlZddlZddlmZmZmZGdddeZ Gdddej Z Gdd d ej Z Gd d d ej Z Gd d d ZdS)a; ELF file parser. This provides a class ``ELFFile`` that parses an ELF executable in a similar interface to ``ZipFile``. Only the read interface is implemented. Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html N)IOOptionalTuplec@s eZdZdS) ELFInvalidN)__name__ __module__ __qualname__r r K/home/sam/Atlas/atlas_env/lib/python3.8/site-packages/packaging/_elffile.pyrsrc@seZdZdZdZdS)EIClassN)rrrZC32ZC64r r r r r sr c@seZdZdZdZdS)EIDatar r N)rrrZLsbZMsbr r r r rsrc@s eZdZdZdZdZdZdZdS)EMachine(>N)rrrZI386ZS390ZArmZX8664ZAArc64r r r r rs rc@sReZdZdZeeddddZeee dfddd Z e e ed d d Z dS) ELFFilez. Representation of an ELF executable. N)freturnc Cs(||_z|d}Wntjk r2tdYnXt|dd}|dkrZtd||d|_|d|_z(ddd d d |j|jf\}|_|_ Wn.t k rtd |jd |jdYnXz,||\ }|_ }}|_ }|_ }|_|_Wn0tjk r"}ztd|W5d}~XYnXdS)N16Bzunable to parse identificationsELFzinvalid magic: )z HHIIIIIHHHz >IIIIIIIIr)z HHIQQQIHHHz >IIQQQQQQr))r r )r r )r r )r r zunrecognized capacity (z) or encoding ()z/unable to parse machine and section information)_f_readstructerrorrbytescapacityencoding_p_fmt_p_idxKeyErrormachine_e_phoffflags _e_phentsize_e_phnum)selfridentmagice_fmt_er r r __init__,sL      zELFFile.__init__.)fmtrcCst||jt|S)N)r unpackrreadcalcsize)r-r4r r r rZsz ELFFile._read)rc Cst|jD]}|j|j|j|z||j}Wntj k rPYq YnX||j ddkrfq |j||j dt |j ||j ddSdS)zH The path recorded in the ``PT_INTERP`` section header. rrr r N)ranger,rseekr)r+rr%r r!r&osfsdecoder6strip)r-indexdatar r r interpreter]s &zELFFile.interpreter)rrr__doc__rr"r3strrintrpropertyrr@r r r r r's .r)rAenumr;r typingrrr ValueErrorrIntEnumr rrrr r r r s