view scripts/showasm @ 668:0ee40175a307

Fix catv to display byte 255 correctly. (It's both M- and ^?.)
author Rob Landley <rob@landley.net>
date Sat, 06 Oct 2012 01:54:24 -0500
parents a43bdc6f53af
children
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#!/bin/sh

# Copyright 2006 Rob Landley <rob@landley.net>

# Dumb little utility function to print out the assembly dump of a single
# function, or list the functions so dumpable in an executable.  You'd think
# there would be a way to get objdump to do this, but I can't find it.

[ $# -lt 1 ] || [ $# -gt 2 ] && { echo "usage: showasm file function"; exit 1; }

[ ! -f $1 ] && { echo "File $1 not found"; exit 1; }

if [ $# -eq 1 ]
then
  objdump -d $1 | sed -n -e 's/^[0-9a-fA-F]* <\(.*\)>:$/\1/p'
  exit 0
fi

objdump -d $1 | sed -n -e '/./{H;$!d}' -e "x;/^.[0-9a-fA-F]* <$2>:/p"