| #! /bin/bash -x | |
| # extracts .config info from a [b]zImage file | |
| # uses: binoffset (new), dd, zcat, strings, grep | |
| # $arg1 is [b]zImage filename | |
| HDR=`binoffset $1 0x1f 0x8b 0x08 0x0` | |
| PID=$$ | |
| TMPFILE="$1.vmlin.$PID" | |
| # dd if=$1 bs=1 skip=$HDR | zcat - | strings /dev/stdin \ | |
| # | grep "[A-Za-z_0-9]=[ynm]$" | sed "s/^/CONFIG_/" > $1.oldconfig.$PID | |
| # exit | |
| dd if=$1 bs=1 skip=$HDR | zcat - > $TMPFILE | |
| strings $TMPFILE | grep "^[\#[:blank:]]*CONFIG_[A-Za-z_0-9]*" > $1.oldconfig.$PID | |
| wc $1.oldconfig.$PID | |
| rm $TMPFILE |