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From: Samuel Tardieu <sam@rfc1149.net>
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Subject: Re: Curiousity: pragma No_Run_Time for Gnat
Date: Tue, 25 Sep 2001 16:48:48 +0200
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Date: 2001-09-25T16:48:48+02:00

On 25/09, M. A. Alves wrote:
| The Meanings of "Pure" II
| 
| Sergey wrote:
| > Well, GNAT has to generate the object files in *some* format, and
| > unless you have a cross-compiling version, it'll be ELF on Linux and
| > PE (COFF) on Win32.
| 
| You mean there is no plain x86 code?  A simple sequence of machine code
| instructions?  "Pure" code?

Plain old x86 code implies that you have no symbol stored in the object file.
One of the consequence is that you cannot link different object files
together and have references resolved.

GNAT generates assembly code, which is then assembled and linked. If you want
to use GNAT in bare-board mode and get a file that you can for example put
into a eprom, you can convert any decent format (ELF, coff, ...) to srec
or plain binary.