查看可执行程序的信息readelf

readelf 负责显示ELF文件的信息

 

Usage: readelf <option(s)> elf-file(s)
 Display information about the contents of ELF format files
 Options are:
  -a --all        全部       Equivalent to: -h -l -S -s -r -d -V -A -I
  -h --file-header    文件头   Display the ELF file header
  -l --program-headers  程序 Display the program headers
     --segments          An alias for --program-headers
  -S --section-headers  段头 Display the sections' header
     --sections          An alias for --section-headers
  -e --headers     全部头      Equivalent to: -h -l -S
  -s --syms        符号表      Display the symbol table
      --symbols          An alias for --syms
  -n --notes        内核注释     Display the core notes (if present)
  -r --relocs       重定位     Display the relocations (if present)
  -u --unwind            Display the unwind info (if present)
  -d --dynamic      动态段     Display the dynamic segment (if present)
  -V --version-info  版本    Display the version sections (if present)
  -A --arch-specific  CPU构架   Display architecture specific information (if any).
  -D --use-dynamic   动态段    Use the dynamic section info when displaying symbols
  -x --hex-dump=<number> 显示 段内内容Dump the contents of section <number>
  -w[liaprmfFso] or
  --debug-dump[=line,=info,=abbrev,=pubnames,=ranges,=macro,=frames,=str,=loc]
                  显示DWARF2调试段内容       Display the contents of DWARF2 debug sections
  -I --histogram         Display histogram of bucket list lengths
  -W --wide        宽行输出      Allow output width to exceed 80 characters
  -H --help              Display this information
  -v --version           Display the version number of readelf