gcc

[Michal Moskal]

On Thu, Aug 09, 2001 at 02:46:52PM +0200, Artur Frysiak wrote:
> On Thu, Aug 09, 2001 at 01:21:00PM +0200, Michal Moskal wrote:
> > On Wed, Aug 08, 2001 at 06:20:57PM +0200, Mariusz Mazur wrote:
> > > How do I convince gcc to produce pure bytecode (no elf headers,
> > > sections or else).
> > 
> > You possibly gotta convince as, not gcc. AFAIK gas hasn't got such
> > options, opposite to nasm (but this won't help you much...).
> > Anyway, how do you think you will run it w/o relocation info and stuff?
>
> It's not true.
> 
>  From etherboot Makefile:
> 
> # general rule for .bin (plain binary loader code), may be overridden
> bin/%.bin:  bin/%.s
>     $(AS32) $(ASFLAGS32) -o bin/$*.tmp $<
>     $(OBJCOPY) -O binary bin/$*.tmp $@
>     $(RM) bin/$*.tmp
> 
> AS32=as
> ASFLAGS32=

Well, as hasn't, objcopy is used to extract binary data.
Anyway, one should note, that .bin file is generated from .s
file, which is surly written with care, not to need any relocation.
I guess it will be hard to make gcc such code (maybe -fPIC can help
but I don't think so).

-- 
: Michal ``,/\/\,       '' Moskal    | |            : GCS {C,UL}++++$
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