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From: Lucretia <lucretia9@lycos.co.uk>
Newsgroups: comp.lang.ada
Subject: Re: runtime systems
Date: Sat, 3 May 2008 19:51:42 -0700 (PDT)
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On 3 May, 20:35, emconuk <emco...@googlemail.com> wrote:
> Hello.
>
> I would like to find out some more about available Ada runtime
> systems.
>
> I know that Adacore have a runtime system ported to various cross
> platforms (but I can't figure out its licensing), and I know about the
> other commercial offerings from GHS and Aonix. =A0I'm also aware of
> MarteOS and RTEMS as possible non-commericial offerings.

MarteOS and RTEMS are both operating systems, not runtimes.

> However, I would like to hear about any other solutions out there. =A0I
> used to use xd-ada and it had quite a simple little rts that could be
> customised for different hardware platforms. =A0I don't want an OS - I
> just want to hear about baremetal runtime systems.

You need to look into the GNAT sources and work out how to port the
GNAT runtime to your preferred hardware.

I don't think it'd be possible to move an Ada runtime from 1 compiler
to another without porting it properly as the compilers create code
that references the runtime in compiler-specific ways.

Luke.