2012-03-01  Pedro Alves  <palves@redhat.com>
	Import fallback definitions from glibc.
	* gdb_proc_service.h [!HAVE_PROC_SERVICE_H] (struct
	ps_prochandle): Forward declare.
	(ps_err_e): Use glibc's comments.
	[!HAVE_PROC_SERVICE_H] (ps_pdread, ps_pdwrite, ps_ptread)
	(ps_ptwrite, ps_lgetregs, ps_lsetregs, ps_lgetfpregs)
	(ps_lsetfpregs, ps_getpid, ps_get_thread_area, ps_pglobal_lookup)
	(ps_pstop, ps_pcontinue, ps_lstop, ps_lcontinue, ps_lgetxregsize)
	(ps_lgetxregs, ps_lsetxregs, ps_plog): Declare.
	(struct ps_prochandle): Adjust comment.