* regcache.c (struct regcache_descr): Rename

	sizeof_raw_register_valid_p field to sizeof_raw_register_status,
	and sizeof_cooked_register_valid_p to
	sizeof_cooked_register_status.
	(init_regcache_descr): Adjust.
	(struct regcache): Rename register_valid_p field to
	register_status.
	(regcache_xmalloc_1, regcache_xfree, regcache_save)
	(do_cooked_read): Adjust.
	(regcache_valid_p): Rename to ...
	(regcache_register_status): ... this.  Adjust.
	(regcache_invalidate): Adjust.
	(regcache_raw_read, regcache_cooked_read, regcache_raw_write):
	Adjust.
	(regcache_raw_supply): Adjust.  If buf i NULL, mark the register
	as unavailable, not valid.
	(regcache_dump): Adjust.
	* regcache.h (enum register_status): New.
	(regcache_register_status): Declare.
	(regcache_invalidate): Delete declaration.
	* corelow.c (get_core_registers): Adjust.
	* tracepoint.c (tfile_fetch_registers): Adjust.
	* trad-frame.c (REG_VALUE): Rename to ...
	(TF_REG_VALUE): ... this.
	(REG_UNKNOWN): Rename to ...
	(TF_REG_UNKNOWN): ... this.
	(trad_frame_set_value, trad_frame_set_unknown): Adjust.
	* mi/mi-main.c (register_changed_p): Adjust.

1 files changed, 2 insertions, 2 deletions

diff --git a/gdb/corelow.c b/gdb/corelow.c
index bfa2893..f65a89c 100644
--- a/gdb/corelow.c
+++ b/gdb/corelow.c
@@ -615,9 +615,9 @@ get_core_registers (struct target_ops *ops,
 				 ".reg2", 2, "floating-point", 0);
     }
 
-  /* Supply dummy value for all registers not found in the core.  */
+  /* Mark all registers not found in the core as unavailable.  */
   for (i = 0; i < gdbarch_num_regs (get_regcache_arch (regcache)); i++)
-    if (!regcache_valid_p (regcache, i))
+    if (regcache_register_status (regcache, i) == REG_UNKNOWN)
       regcache_raw_supply (regcache, i, NULL);
 }