Re: FW: Machine Code

Claudio Fontana <[email protected]>
Newsgroups org.kernel.vger.linux-assembly
Message-ID <[email protected]>
--- Landon Blake <[email protected]> ha scritto: 
> Is it possible to write machine code instruction
> directly to the computers memory
> without using an assembler? Is
> there an open source "binary file" editor

memory or file?

> that someone can recommend that will allow me to do
> this?
> 
> Do chip manafacturers typically provide an assembler
> that compiles assembly language instructions into
the machine code
> for there processor, or does a programmer have to
rely on
> third parties for the
> assemblers?

There are assemblers provided by various parties,
manufacturer included, for popular architectures and
operating systems.
 
> I'm just wondering if it is possible to write a
> machine code file
> directly without the need for an assembler.

sure.
For small trivial tasks (change one opcode, change
static data) I use xxd and xxd -r (the reverse
operation of xxd, a data dumper similar to od).

man xxd

> Landon

CLaudio



		
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