Re: PATCH: Check DS segment register for x32 process

[Mike Frysinger <vapier at gentoo dot org>]

On Friday 11 May 2012 16:25:00 Mark Kettenis wrote:
> From: "H.J. Lu" <hongjiu.lu@intel.com>
> > This patch checks DS segment register for x32 process.  Tested on
> > Linux/x86-64.  OK to install?
> > 
> > --- a/gdb/amd64-linux-nat.c
> > +++ b/gdb/amd64-linux-nat.c
> > 
> > +  if (sizeof (void *) == 4 && is_64bit && !is_x32)
> > +    error (_("Can't debug 64-bit process with 32-bit GDB"));
> 
> I really think we should refuse to even build a GDB as an X32 binary.

huh ?  why would we restrict the host ABI ?  i plan on doing pure x32 
installs.
-mike

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