* features/Makefile, features/arm-with-iwmmxt.xml,

	* features/Makefile, features/arm-with-iwmmxt.xml,
	features/gdbserver-regs.xsl, features/number-regs.xsl,
	features/sort-regs.xsl, features/xscale-iwmmxt.xml: New files.
	* regformats/arm-with-iwmmxt.dat: Generate.
	* NEWS: Mention iWMMXt.

	* gdb.arch/iwmmxt-regs.c, gdb.arch/iwmmxt-regs.exp: New.

	* Makefile.in (OBS): Add $(XML_BUILTIN).
	(XML_DIR, XML_TARGET, XML_FILES, XML_BUILTIN): New.
	(clean): Update.
	(target.xml, xml-builtin.c, stamp-xml, arm-with-iwmmxt.o)
	(arm-with-iwmmxt.c): New.
	* config.in, configure: Regenerate.
	* configure.ac: Check for iWMMXt.  Handle srv_xmltarget,
	srv_xmlbuiltin, and srv_xmlfiles.  Define USE_XML.
	* configure.srv: Mention srv_xmltarget and srv_xmlfiles.
	(arm*-*-linux*): Add iWMMXt and regset support.
	* linux-arm-low.c (PTRACE_GETWMMXREGS, PTRACE_SETWMMXREGS): Define.
	(arm_fill_gregset, arm_store_gregset, arm_fill_wmmxregset)
	(arm_store_wmmxregset, target_regsets): New.
	* server.c (get_features_xml): Take annex argument.  Check builtin
	XML documents.
	(handle_query): Handle multiple annexes.