gdb_server, rtos: Fine-grained RTOS register access

[openocd.git] / src / target / register.h

diff --git a/src/target/register.h b/src/target/register.h
index 9e0f1ce834e0ffca4fee9db0c1c78f61d35d3c23..7c53d6e16deb531c82879001f494f98df69a7da7 100644 (file)
--- a/src/target/register.h
+++ b/src/target/register.h
@@ -16,22 +16,23 @@
  *   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.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
-#ifndef REGISTER_H
-#define REGISTER_H
+#ifndef OPENOCD_TARGET_REGISTER_H
+#define OPENOCD_TARGET_REGISTER_H
 
 struct target;
 
 enum reg_type {
+       REG_TYPE_BOOL,
+       REG_TYPE_INT,
        REG_TYPE_INT8,
        REG_TYPE_INT16,
        REG_TYPE_INT32,
        REG_TYPE_INT64,
        REG_TYPE_INT128,
+       REG_TYPE_UINT,
        REG_TYPE_UINT8,
        REG_TYPE_UINT16,
        REG_TYPE_UINT32,
@@ -39,6 +40,7 @@ enum reg_type {
        REG_TYPE_UINT128,
        REG_TYPE_CODE_PTR,
        REG_TYPE_DATA_PTR,
+       REG_TYPE_FLOAT,
        REG_TYPE_IEEE_SINGLE,
        REG_TYPE_IEEE_DOUBLE,
        REG_TYPE_ARCH_DEFINED,
@@ -66,6 +68,7 @@ struct reg_data_type_union {
 struct reg_data_type_bitfield {
        uint32_t start;
        uint32_t end;
+       enum reg_type type;
 };
 
 struct reg_data_type_struct_field {
@@ -114,17 +117,32 @@ struct reg_data_type {
 };
 
 struct reg {
+       /* Canonical name of the register. */
        const char *name;
+       /* Number that gdb uses to access this register. */
        uint32_t number;
+       /* TODO. This should probably be const. */
        struct reg_feature *feature;
+       /* TODO: When true, the caller will save this register before running any algorithm. */
        bool caller_save;
+       /* Pointer to place where the value is stored, in the format understood by
+        * the binarybuffer.h functions. */
        void *value;
+       /* The stored value needs to be written to the target. */
        bool dirty;
+       /* When true, value is valid. */
        bool valid;
+       /* When false, the register doesn't actually exist in the target. */
        bool exist;
+       /* Size of the register in bits. */
        uint32_t size;
+       /* Used for generating XML description of registers. Can be set to NULL for
+        * targets that don't use that. */
        struct reg_data_type *reg_data_type;
+       /* Used for generating XML description of registers. Can be set to NULL for
+        * targets that don't use that. */
        const char *group;
+       /* Pointer to architecture-specific info for this register. */
        void *arch_info;
        const struct reg_arch_type *type;
 };
@@ -141,11 +159,14 @@ struct reg_arch_type {
        int (*set)(struct reg *reg, uint8_t *buf);
 };
 
+struct reg *register_get_by_number(struct reg_cache *first,
+               uint32_t reg_num, bool search_all);
 struct reg *register_get_by_name(struct reg_cache *first,
                const char *name, bool search_all);
 struct reg_cache **register_get_last_cache_p(struct reg_cache **first);
+void register_unlink_cache(struct reg_cache **cache_p, const struct reg_cache *cache);
 void register_cache_invalidate(struct reg_cache *cache);
 
 void register_init_dummy(struct reg *reg);
 
-#endif /* REGISTER_H */
+#endif /* OPENOCD_TARGET_REGISTER_H */