toybox/scripts/showasm
<<
>>
Prefs
   1#!/bin/sh
   2
   3# Copyright 2006 Rob Landley <rob@landley.net>
   4
   5# Dumb little utility function to print out the assembly dump of a single
   6# function, or list the functions so dumpable in an executable.  You'd think
   7# there would be a way to get objdump to do this, but I can't find it.
   8
   9[ $# -lt 1 ] || [ $# -gt 2 ] && { echo "usage: showasm file function"; exit 1; }
  10
  11[ ! -f $1 ] && { echo "File $1 not found"; exit 1; }
  12
  13if [ $# -eq 1 ]
  14then
  15  objdump -d $1 | sed -n -e 's/^[0-9a-fA-F]* <\(.*\)>:$/\1/p'
  16  exit 0
  17fi
  18
  19objdump -d $1 | sed -n -e '/./{H;$!d}' -e "x;/^.[0-9a-fA-F]* <$2>:/p"
  20
  21