Expansing macro-definitions in Gas using Gdb

Expansing macro-definitions in Gas using Gdb

[Pierre Habraken]

Hello,

I would like to be able to display the value of #defined constants
(C macro-definitions) #included in assembly language modules.
The source files of these modules have suffix ".S" and are assembled
using gcc.
Using latest snapshots of gdb, it is possible to expand
macro-definitions included in C source files compiled with gcc.
However this does not appear to work for assembly source files.
Is it possible to force gas (or gcc) to put the required data into the
object file ?

Pierre
-- 
________________________________________________________________________
Pierre HABRAKEN - mailto:Pierre.Habraken@imag.fr
Tél: 04 76 82 72 83 - Fax: 04 76 82 72 87
IMAG-LSR BP72 38402 SAINT MARTIN D'HERES Cedex
________________________________________________________________________

Re: Expansing macro-definitions in Gas using Gdb

[Daniel Jacobowitz]

On Wed, Aug 28, 2002 at 02:44:27PM +0200, Pierre Habraken wrote:
> Hello,
> 
> I would like to be able to display the value of #defined constants
> (C macro-definitions) #included in assembly language modules.
> The source files of these modules have suffix ".S" and are assembled
> using gcc.
> Using latest snapshots of gdb, it is possible to expand
> macro-definitions included in C source files compiled with gcc.
> However this does not appear to work for assembly source files.
> Is it possible to force gas (or gcc) to put the required data into the
> object file ?

Not really.  If you use a C file and asm("") constructs, you can get
the macros; otherwise, you can probably get them by linking a dummy .c
file in your project which includes all of the headers.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer