Re: [ECOS] objdump for binary file

["Andre Asselin" <asselin at us dot ibm dot com>]

>----- Message from Grant Edwards <grante@visi.com> on Tue, 21 Aug 2001
15:30:05 -0500 -----

>>On Tue, Aug 21, 2001 at 02:05:18PM -0600, Trenton D. Adams wrote:

>> > > I compiled an eCos program and then copied it to a binary file.
>> > > Is there a way of dumping the assembly now?
>> >
>> > No.
>> >
>> > Run arm-elf-objdump --source on the ELF file.

>> Ok, if the arm-elf tools can't do it, how would I do it?

>It can be done by converting the file back into ELF format.

>> I want to reverse engineer a driver for the PCMCIA controller
>> I'm using.  I think it's in plain binary form, but I'm not
>> sure.

>You've got an eCos program in binary-only and you need to
>reverse-engineer it?  Ouch.

>Have you reverse-engineered machine-level stuff before? You
>probably need to find a good interactive disassembler that lets
>you annotate stuff as you figure it out. I don't know of any
>for ARM.

The best interactive disassembler I've found is IDA Pro (see
http://www.datarescue.com/idabase/ida.htm).  At $300 for the standard
version, which includes ARM and many other processor architectures, its a
bargain.  I've used it on 386, 6800, and 68000 code, and its been
fantastic.

Andre Asselin
IBM ServeRAID Software Development
Research Triangle Park, NC