2009-11-17 Daniel Jacobowitz <dan@codesourcery.com>

* m68k-tdep.c (m68k_register_name): Check fpregs_present.
	(m68k_gdbarch_init): Remove a duplicate of set_gdbarch_fp0_regnum.

gdb/ChangeLog

@@ -1,3 +1,8 @@
+2009-11-17  Daniel Jacobowitz  <dan@codesourcery.com>
+
+	* m68k-tdep.c (m68k_register_name): Check fpregs_present.
+	(m68k_gdbarch_init): Remove a duplicate of set_gdbarch_fp0_regnum.
+
 2009-11-17  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
 	Fix wrong debug output with `set debug infrun 1'.

gdb/m68k-tdep.c

@@ -179,6 +179,9 @@ m68k_register_name (struct gdbarch *gdbarch, int regnum)
   if (regnum < 0 || regnum >= ARRAY_SIZE (m68k_register_names))
     internal_error (__FILE__, __LINE__,
 		    _("m68k_register_name: illegal register number %d"), regnum);
+  else if (regnum >= M68K_FP0_REGNUM && regnum <= M68K_FPI_REGNUM
+	   && gdbarch_tdep (gdbarch)->fpregs_present == 0)
+    return "";
   else
     return m68k_register_names[regnum];
 }
@@ -1190,7 +1193,6 @@ m68k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_sp_regnum (gdbarch, M68K_SP_REGNUM);
   set_gdbarch_pc_regnum (gdbarch, M68K_PC_REGNUM);
   set_gdbarch_ps_regnum (gdbarch, M68K_PS_REGNUM);
-  set_gdbarch_fp0_regnum (gdbarch, M68K_FP0_REGNUM);
   set_gdbarch_convert_register_p (gdbarch, m68k_convert_register_p);
   set_gdbarch_register_to_value (gdbarch,  m68k_register_to_value);
   set_gdbarch_value_to_register (gdbarch, m68k_value_to_register);