[rfc] Replace macros by gdbarch functions in gdbint manual

[Eli Zaretskii]

> Date: Wed, 27 Jun 2007 16:11:34 -0400
> From: Daniel Jacobowitz <drow@false.org>
> Cc: Markus Deuling <deuling@de.ibm.com>, gdb-patches@sourceware.org, 	uweigand@de.ibm.com
> 
> On Wed, Jun 27, 2007 at 09:30:19PM +0300, Eli Zaretskii wrote:
> > > +the inferior function onto the stack.  In addition to pushing @var{nargs}, the
> > > +code should push @var{struct_addr} (when @var{struct_return}), and the return
> >                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
> > It looks like something is missing in the parens.  The old text also
> > had this problem; can someone suggest or guess what was meant here?
> 
> It's unclear wording, but I understand it; struct_return is
> essentially a boolean condition here.  And there's a flag variable of
> the same name in call_function_by_hand.

So it should say "when @var{struct_return} is non-zero", right?

Or maybe, since you say this is the name of an actual variable, use
@code{struct_return} instead of @var?