2003-03-04  Theodore A. Roth  <troth at openavr dot org>

	* gdb/avr-tdep.c (avr_io_reg_read_command): Fix to handle case when the
	number of io registers reported by remote target is not a multiple of
	step.

Index: gdb/avr-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/avr-tdep.c,v
retrieving revision 1.25
diff -u -r1.25 avr-tdep.c
--- gdb/avr-tdep.c	27 Feb 2003 17:48:46 -0000	1.25
+++ gdb/avr-tdep.c	4 Mar 2003 20:48:51 -0000
@@ -1278,7 +1278,10 @@
 
   for (i = 0; i < nreg; i += step)
     {
-      j = step - (nreg % step);	/* how many registers this round? */
+      /* how many registers this round? */
+      j = step;
+      if ( (i+j) >= nreg)
+        j = nreg - i;           /* last block is less than 8 registers */
 
       snprintf (query, sizeof (query) - 1, "avr.io_reg:%x,%x", i, j);
       target_query ((int) 'R', query, buf, &bufsiz);