+/* Function pointer typedefs */
+typedef void (*xtensa_format_encode_fn) (xtensa_insnbuf);
+typedef void (*xtensa_get_slot_fn) (const xtensa_insnbuf, xtensa_insnbuf);
+typedef void (*xtensa_set_slot_fn) (xtensa_insnbuf, const xtensa_insnbuf);
+typedef int (*xtensa_opcode_decode_fn) (const xtensa_insnbuf);
+typedef uint32 (*xtensa_get_field_fn) (const xtensa_insnbuf);
+typedef void (*xtensa_set_field_fn) (xtensa_insnbuf, uint32);
+typedef int (*xtensa_immed_decode_fn) (uint32 *);
+typedef int (*xtensa_immed_encode_fn) (uint32 *);
+typedef int (*xtensa_do_reloc_fn) (uint32 *, uint32);
+typedef int (*xtensa_undo_reloc_fn) (uint32 *, uint32);
+typedef void (*xtensa_opcode_encode_fn) (xtensa_insnbuf);
+typedef int (*xtensa_format_decode_fn) (const xtensa_insnbuf);
+typedef int (*xtensa_length_decode_fn) (const unsigned char *);
+
+typedef struct xtensa_format_internal_struct
+{
+ const char *name; /* Instruction format name. */
+ int length; /* Instruction length in bytes. */
+ xtensa_format_encode_fn encode_fn;
+ int num_slots;
+ int *slot_id; /* Array[num_slots] of slot IDs. */
+} xtensa_format_internal;
+
+typedef struct xtensa_slot_internal_struct
+{
+ const char *name; /* Not necessarily unique. */
+ const char *format;
+ int position;
+ xtensa_get_slot_fn get_fn;
+ xtensa_set_slot_fn set_fn;
+ xtensa_get_field_fn *get_field_fns; /* Array[field_id]. */
+ xtensa_set_field_fn *set_field_fns; /* Array[field_id]. */
+ xtensa_opcode_decode_fn opcode_decode_fn;
+ const char *nop_name;
+} xtensa_slot_internal;