[commit] Fix Xtensa-specific bug in MI command

[Maxim Grigoriev <maxim@tensilica.com>]

[-- Attachment #1: Type: text/plain, Size: 70 bytes --]

Fix Xtensa-specific bug in MI command -data-list-changed-registers.



[-- Attachment #2: MIregs.diff --]
[-- Type: text/plain, Size: 1550 bytes --]

2011-03-08  Maxim Grigoriev  <maxim2405@gmail.com>

	* xtensa-tdep.c (xtensa_register_reggroup_p): Count in all registers
	while executing MI command -data-list-changed-registers.

Index: gdb/xtensa-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/xtensa-tdep.c,v
retrieving revision 1.49
diff -u -r1.49 xtensa-tdep.c
--- gdb/xtensa-tdep.c	9 Mar 2011 02:25:12 -0000	1.49
+++ gdb/xtensa-tdep.c	9 Mar 2011 02:51:35 -0000
@@ -813,6 +813,11 @@
   xtensa_register_group_t rg = reg->group;
   int cp_number;
 
+  if (group == save_reggroup)
+    /* Every single register should be included into the list of registers
+       to be watched for changes while using -data-list-changed-registers.  */
+    return 1;
+
   /* First, skip registers that are not visible to this target
      (unknown and unmapped registers when not using ISS).  */
 
@@ -828,13 +833,11 @@
     return rg & xtRegisterGroupFloat;
   if (group == general_reggroup)
     return rg & xtRegisterGroupGeneral;
-  if (group == float_reggroup)
-    return rg & xtRegisterGroupFloat;
   if (group == system_reggroup)
     return rg & xtRegisterGroupState;
   if (group == vector_reggroup || group == xtensa_vectra_reggroup)
     return rg & xtRegisterGroupVectra;
-  if (group == save_reggroup || group == restore_reggroup)
+  if (group == restore_reggroup)
     return (regnum < gdbarch_num_regs (gdbarch)
 	    && (reg->flags & SAVE_REST_FLAGS) == SAVE_REST_VALID);
   if ((cp_number = xtensa_coprocessor_register_group (group)) >= 0)