Re: Curiousity: pragma No_Run_Time for Gnat

["Sergey Koshcheyev" <serko84@hotmail.com>]

"Marin David Condic" <dont.bother.mcondic.auntie.spam@[acm.org> wrote in
message news:9ooa2p$j91$1@nh.pace.co.uk...
> O.K. I've bookmarked that. I'll look at it as soon as I can get that
elusive
> Round Tuit.

While I was doing a web search to find out what you meant (I think I
understand the idiom now), I found several webpages providing Round Tuits to
people who need them :-)

> I'm also wondering if it would eschew any BIOS calls or if the BIOS would
be
> presumed? I'm wondering if I can really get some sort of "pure" x86 code?

I don't know exactly what you mean by "pure" x86 code. What you get from the
compiler on x86 is a 32-bit executable in the platform-specific executable
format (ELF on Linux, PE on Win32) which isn't linked to GNAT libraries,
though I think it may be linked dynamically to the C library. Linker
switch -nostdlib can be used to overcome this and get a completely
stand-alone executable (tested on Linux). Another linker switch can be used
to link the C library in statically (also tested on Linux). GNAT doesn't
insert any BIOS calls in the generated code when pragma No_Run_Time is used.

Sergey Koshcheyev

> MDC
> --
> Marin David Condic
> Senior Software Engineer
> Pace Micro Technology Americas    www.pacemicro.com
> Enabling the digital revolution
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