Disassembling mostly-unknown data
Chris Boot
bootc@bootc.net
Fri Oct 21 19:35:00 GMT 2005
David Daney wrote:
> David Daney wrote:
>
>> Chris Boot wrote:
>>
>>> Hi all,
>>>
>>> I'm having difficulty getting my head around the documentation
>>> regarding a particular special case I'm facing: I have a binary
>>> firmware image that I need to disassemble portions of. I know the CPU
>>> architecture (it's a MIPS) and ISA and all, but the binary image
>>> isn't in any format that binutils recognises, or that I even know (so
>>> I can't just add the binary format to bfd).
>>>
>>> Ideally what I'd like to be able to do is have output similar to
>>> 'hexdump -C <file>', but with an added column containing the
>>> instruction that may (or may not) be at that particular address.
>>> Fortunately for me MIPS has a fixed instruction size of 32 bits
>>> although I suspect I may have to play with MIPS-16 at some point
>>> (thus, 16-bit instructions).
>>>
>>> Would anyone be able to provide me with guidance pulling off such a
>>> tool?
>>>
>> Something like mipsel-linux-objdump -D --target=binary
>> --architecture=mips
>>
>>
> Sorry I meant to send to the list as well. So I am resending.
>
> David Daney.
*smacks head hard against a wall repeatedly*
Thank you.
Now, can I get some ASCII text as well? I'd rather not be misled into
believing something is an instruction when it's actually text... Maybe I
should write a PERL script to do this. :-/
Thanks again,
Chris
PS: I really should pay more attention, I did the same and didn't post
to the list.
--
Chris Boot
bootc@bootc.net
http://www.bootc.net/
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