BinarySucks

objdump と objcopy

Usage: objdump <option(s)> <file(s)>
 Display information from object <file(s)>.
 The following switches are optional:
  -b, --target=BFDNAME           Specify the target object format as BFDNAME
  -m, --architecture=MACHINE     Specify the target architecture as MACHINE

Usage: objcopy [option(s)] in-file [out-file]
 Copies a binary file, possibly transforming it in the process
 The options are:
  -I --input-target <bfdname>      Assume input file is in format <bfdname>
  -O --output-target <bfdname>     Create an output file in format <bfdname>
  -F --target <bfdname>            Set both input and output format to <bfdname>
  -B --binary-architecture <arch>  Set arch of output file, when input is binary

ちなみに objdump と objdump --help は違う出力なので注意。

objdump と readelf

objdump

 -x, --all-headers        Display the contents of all headers

readelf

 -a --all               Equivalent to: -h -l -S -s -r -d -V -A -I