X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Fregister.c;h=850641448b637a276ced58748f5e504871ac4168;hb=bda2d7371874569cd5232580a3602dd56083a304;hp=ab1e40b17a10d63cf89f2fdb4edfd7e9ccf5c6f4;hpb=7bfcc10839d2a9190cb7ae9fae02280e643b3450;p=openocd.git

diff --git a/src/target/register.c b/src/target/register.c
index ab1e40b17a..850641448b 100644
--- a/src/target/register.c
+++ b/src/target/register.c
@@ -16,9 +16,7 @@
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -46,6 +44,8 @@ struct reg *register_get_by_name(struct reg_cache *first,
 
 	while (cache) {
 		for (i = 0; i < cache->num_regs; i++) {
+			if (cache->reg_list[i].exist == false)
+				continue;
 			if (strcmp(cache->reg_list[i].name, name) == 0)
 				return &(cache->reg_list[i]);
 		}
@@ -72,12 +72,22 @@ struct reg_cache **register_get_last_cache_p(struct reg_cache **first)
 	return cache_p;
 }
 
+void register_unlink_cache(struct reg_cache **cache_p, const struct reg_cache *cache)
+{
+	while (*cache_p && *cache_p != cache)
+		cache_p = &((*cache_p)->next);
+	if (*cache_p)
+		*cache_p = cache->next;
+}
+
 /** Marks the contents of the register cache as invalid (and clean). */
 void register_cache_invalidate(struct reg_cache *cache)
 {
 	struct reg *reg = cache->reg_list;
 
 	for (unsigned n = cache->num_regs; n != 0; n--, reg++) {
+		if (reg->exist == false)
+			continue;
 		reg->valid = 0;
 		reg->dirty = 0;
 	}