struct pld_device_s;
 
+#define __PLD_DEVICE_COMMAND(name) \
+               COMMAND_HELPER(name, struct pld_device_s *pld)
+
 typedef struct pld_driver_s
 {
        char *name;
+       __PLD_DEVICE_COMMAND((*pld_device_command));
        int (*register_commands)(struct command_context_s *cmd_ctx);
-       int (*pld_device_command)(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device);
        int (*load)(struct pld_device_s *pld_device, const char *filename);
 } pld_driver_t;
 
+#define PLD_DEVICE_COMMAND_HANDLER(name) static __PLD_DEVICE_COMMAND(name)
+
 typedef struct pld_device_s
 {
        pld_driver_t *driver;
 
        return ERROR_OK;
 }
 
-static int virtex2_pld_device_command(struct command_context_s *cmd_ctx,
-               char *cmd, char **args, int argc, struct pld_device_s *pld_device)
+PLD_DEVICE_COMMAND_HANDLER(virtex2_pld_device_command)
 {
        jtag_tap_t *tap;
 
        }
 
        virtex2_info = malloc(sizeof(virtex2_pld_device_t));
-       pld_device->driver_priv = virtex2_info;
        virtex2_info->tap = tap;
 
+       pld->driver_priv = virtex2_info;
+
        return ERROR_OK;
 }