[rfa] ARM native GDB iWMMXt support

[Daniel Jacobowitz]

On Tue, Feb 13, 2007 at 11:46:21AM -0500, Daniel Jacobowitz wrote:
> This patch adds support to a native ARM GDB for reading the iWMMXt
> registers using ptrace.  gdbserver already has this.  It works exactly
> the same way, except that it also autodetects instead of choosing at
> compile time.  If the iWMMXt registers are available, then we supply
> the same XML description that gdbserver would use.  (Or, a warning
> message appears, if you don't have expat.)
> 
> My last iWMMXt patch, at least for now.  One thing missing is core
> file support - but the kernel doesn't dump the registers into core
> files yet :-(
> 
> Tested on arm-linux-gnueabi with iwmmxt.  OK?

I've checked in this too.

-- 
Daniel Jacobowitz
CodeSourcery