Re: Two minor issues

[Daniel Jacobowitz <drow@false.org>]

On Wed, Aug 27, 2008 at 10:45:49AM -0300, Thiago Jung Bauermann wrote:
> On Wed, 2008-08-27 at 08:55 -0300, Dr. Rolf Jansen wrote:
> > Is there a global way to find out at compile-time at the build or host  
> > system the ptr-size and the long-size of the configured target  
> > machine, something like size_attarget_of()?
> 
> It's not enough to do that at compile time, since some targets support
> running both 32-bit and 64-bit programs (e.g., ppc64-linux). You can
> check at runtime, if you have a struct gdbarch nearby:

Not in arch-independent code:

>   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

since tdep is Target-DEPendent.  But you can use the TYPE_LENGTH of
builtin types; see e.g. gnu-v3-abi.c.

-- 
Daniel Jacobowitz
CodeSourcery