PATCH: Check gdbarch_ptr_bit for x32 core dump

[Mark Kettenis]

> Date: Fri, 11 May 2012 12:33:36 -0700
> From: "H.J. Lu" <hongjiu.lu@intel.com>
> 
> Hi,
> 
> This patch checks gdbarch_ptr_bit for x32 core dump.  Tested on
> Linux/x86-64.  Ok to install?

This is ok once the diff to add tde definitions for tdesc_x32_linux
and tdesc_x32_avx_linux to amd64-linux-tdep.h is in.

> 
> Thanks.
> 
> H.J.
> ---
> 	* amd64-linux-tdep.c (amd64_linux_core_read_description): Check
> 	gdbarch_ptr_bit for x32 core dump.