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Re: Variable passing C -> assembly, for m68k?

To: Larry Gray <larry at greenmotor dot com>
Subject: Re: Variable passing C -> assembly, for m68k?
From: Kai Ruottu <kai dot ruottu at luukku dot com>
Date: Thu, 18 Oct 2001 08:26:17 +0300
CC: crossgcc at sourceware dot cygnus dot com
Organization: MTV3i Internet, Finland
References: <14426097.1003378752014.JavaMail.hip-pop@porkkana>
Reply-To: kai dot ruottu at luukku dot com

Larry Gray wrote:
> 
> Hello,
>         I'm writing (and porting) some assembly language routines and need to know
> how gcc handles variable passing. I've read through "Using and Porting GCC",
> but can't find anything specific. It appears that in some architectures it
> uses the stack in others registers. I know I can use inline assembly and
> operand constraints, but would prefer to use standalone assembly programs
> that can be called from my C program.
>         Where could I find the specific details for how gcc handles this for the
> m68k? Did I overlook it?

 http://www.redhat.com/support/manuals/gnupro.html

 The '99r1p1' manual with 'embed' in the name should have those 'calling conventions'
etc. for most architectures...


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