[Gllug] data segment vs stack
Rich Walker
rw at shadow.org.uk
Wed Feb 15 15:00:29 UTC 2006
Nix <nix at esperi.org.uk> writes:
> On Wed, 15 Feb 2006, Rich Walker spake:
>> also, in any interesting environment, you can expect that there are
>> functions you can't call from main.
>
> Really? Like what?!
>
> (Perhaps for values of `interesting' equal to `freestanding'.)
That's the *only* definition of interesting for C, isn't it?
>
>> mind you, in any interesting environment, you're using C because it
>> generates the assembler you want...
>
> True enough :)
I was quite intrigued by a feature of SDCC: you can add local rules to
the peephole optimiser if you want to exploit some ... weirdness of the
target CPU or environment. Not tried it yet, though...
cheers, Rich.
--
rich walker | Shadow Robot Company | rw at shadow.org.uk
technical director 251 Liverpool Road |
need a Hand? London N1 1LX | +UK 20 7700 2487
www.shadow.org.uk/products/newhand.shtml
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