readelf --help

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readelf --help  
用法：readelf <选项> elf-文件  
显示关于 ELF 格式文件内容的信息  
Options are:  
\-a --all Equivalent to: -h -l -S -s -r -d -V -A -I  
\-h --file-header Display the ELF file header  
\-l --program-headers Display the program headers  
\--segments An alias for --program-headers  
\-S --section-headers Display the sections' header  
\--sections An alias for --section-headers  
\-g --section-groups Display the section groups  
\-t --section-details Display the section details  
\-e --headers Equivalent to: -h -l -S  
\-s --syms Display the symbol table  
\--symbols An alias for --syms  
\--dyn-syms Display the dynamic symbol table  
\-n --notes Display the core notes (if present)  
\-r --relocs Display the relocations (if present)  
\-u --unwind Display the unwind info (if present)  
\-d --dynamic Display the dynamic section (if present)  
\-V --version-info Display the version sections (if present)  
\-A --arch-specific Display architecture specific information (if any)  
\-c --archive-index Display the symbol/file index in an archive  
\-D --use-dynamic Use the dynamic section info when displaying symbols  
\-x --hex-dump=<number|name>  
Dump the contents of section <number|name> as bytes  
\-p --string-dump=<number|name>  
Dump the contents of section <number|name> as strings  
\-R --relocated-dump=<number|name>  
Dump the contents of section <number|name> as relocated bytes  
\-w\[lLiaprmfFsoRt\] or  
\--debug-dump\[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,  
=frames-interp,=str,=loc,=Ranges,=pubtypes,  
=gdb\_index,=trace\_info,=trace\_abbrev,=trace\_aranges,  
=addr,=cu\_index\]  
Display the contents of DWARF2 debug sections  
\--dwarf-depth=N Do not display DIEs at depth N or greater  
\--dwarf-start=N Display DIEs starting with N, at the same depth  
or deeper  
\-I --histogram Display histogram of bucket list lengths  
\-W --wide Allow output width to exceed 80 characters  
@<file> Read options from <file>  
\-H --help Display this information  
\-v --version Display the version number of readelf