From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Compile in raw binary
Date: Fri, 07 Apr 2000 17:30:33 +0200
Organization: NetVision Israel	
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To: djgpp AT delorie DOT com
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Aquaz wrote:
> 
> Hi all!
> I'm a c/c++ developer but new about djgpp compiler.
> Is it possible compile a simple c code into raw binary x86 opcodes, similar
> the .COM file?

Not really.

> int main(void) {
>     register x;
>     x = 0;
>     ...
>     return(0);
> }
> 
> Can i build it to have a file like:
>     B8 00 00 ... CB
> (that would be "mov ax, 0 ... retf" )

You could compile the source ("gcc -c foo.c"), then convert the object file
to the raw binary format, like this:

	objcopy --output-target=binary foo.o foo.bin

The file foo.bin will include only the opcodes produced by the compiler from
the C code.  Note that the code produced by the compiler from the above
source is VERY different from what you think.

Anyway, you really should explain what do you need this for, because that
would allow to give you more accurate advice.