+/* Get or set a register. Returns the size of the register. */
+typedef int (*gdb_reg_cb)(CPUState *env, uint8_t *buf, int reg);
+void gdb_register_coprocessor(CPUState *env,
+ gdb_reg_cb get_reg, gdb_reg_cb set_reg,
+ int num_regs, const char *xml, int g_pos);