+ struct reg_data_type_flags_field *fields;
+};
+
+enum reg_data_type_class {
+ REG_TYPE_CLASS_VECTOR,
+ REG_TYPE_CLASS_UNION,
+ REG_TYPE_CLASS_STRUCT,
+ REG_TYPE_CLASS_FLAGS,
+};
+
+struct reg_data_type {
+ enum reg_type type;
+ const char *id;
+ enum reg_data_type_class type_class;
+ union {
+ struct reg_data_type_vector *reg_type_vector;
+ struct reg_data_type_union *reg_type_union;
+ struct reg_data_type_struct *reg_type_struct;
+ struct reg_data_type_flags *reg_type_flags;
+ };
+};
+
+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. */
+ uint8_t *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;
+ /* Hide the register from gdb and omit it in 'reg' cmd output */
+ bool hidden;
+ /* 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. */