COMMAND_REGISTRATION_DONE
 };
 static const struct command_registration arm11_command_handlers[] = {
+       {
+               .chain = arm_command_handlers,
+       },
+       {
+               .chain = etm_command_handlers,
+       },
        {
                .name = "arm11",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-static int arm11_register_commands(struct command_context *cmd_ctx)
-{
-       armv4_5_register_commands(cmd_ctx);
-       etm_register_commands(cmd_ctx);
-       return register_commands(cmd_ctx, NULL, arm11_command_handlers);
-}
-
 /** Holds methods for ARM11xx targets. */
 struct target_type arm11_target = {
        .name =                 "arm11",
 
        .run_algorithm =        armv4_5_run_algorithm,
 
-       .register_commands =    arm11_register_commands,
+       .commands =             arm11_command_handlers,
        .target_create =        arm11_target_create,
        .init_target =          arm11_init_target,
        .examine =              arm11_examine,
 
 };
 
 static const struct command_registration arm720t_command_handlers[] = {
+       {
+               .chain = arm7_9_command_handlers,
+       },
        {
                .name = "arm720t",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-static int arm720t_register_commands(struct command_context *cmd_ctx)
-{
-       arm7_9_register_commands(cmd_ctx);
-       return register_commands(cmd_ctx, NULL, arm720t_command_handlers);
-}
-
 /** Holds methods for ARM720 targets. */
 struct target_type arm720t_target =
 {
        .add_watchpoint = arm7_9_add_watchpoint,
        .remove_watchpoint = arm7_9_remove_watchpoint,
 
-       .register_commands = arm720t_register_commands,
+       .commands = arm720t_command_handlers,
        .target_create = arm720t_target_create,
        .init_target = arm720t_init_target,
        .examine = arm7_9_examine,
 
        },
        COMMAND_REGISTRATION_DONE
 };
-static const struct command_registration arm7_9_command_handlers[] = {
+const struct command_registration arm7_9_command_handlers[] = {
+       {
+               .chain = arm_command_handlers,
+       },
+       {
+               .chain = etm_command_handlers,
+       },
        {
                .name = "arm7_9",
                .mode = COMMAND_ANY,
        },
        COMMAND_REGISTRATION_DONE
 };
-
-int arm7_9_register_commands(struct command_context *cmd_ctx)
-{
-       armv4_5_register_commands(cmd_ctx);
-       etm_register_commands(cmd_ctx);
-       return register_commands(cmd_ctx, NULL, arm7_9_command_handlers);
-}
 
        return arm7_9->common_magic == ARM7_9_COMMON_MAGIC;
 }
 
-int arm7_9_register_commands(struct command_context *cmd_ctx);
+extern const struct command_registration arm7_9_command_handlers[];
 
 int arm7_9_poll(struct target *target);
 
 
        .add_watchpoint = arm7_9_add_watchpoint,
        .remove_watchpoint = arm7_9_remove_watchpoint,
 
-       .register_commands  = arm7_9_register_commands,
+       .commands  = arm7_9_command_handlers,
        .target_create  = arm7tdmi_target_create,
        .init_target = arm7tdmi_init_target,
        .examine = arm7_9_examine,
 
        },
        COMMAND_REGISTRATION_DONE
 };
-static const struct command_registration arm920t_command_handlers[] = {
+const struct command_registration arm920t_command_handlers[] = {
+       {
+               .chain = arm9tdmi_command_handlers,
+       },
        {
                .name = "arm920t",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-/** Registers commands to access coprocessor, cache, and MMU resources. */
-int arm920t_register_commands(struct command_context *cmd_ctx)
-{
-       arm9tdmi_register_commands(cmd_ctx);
-       return register_commands(cmd_ctx, NULL, arm920t_command_handlers);
-}
-
 /** Holds methods for ARM920 targets. */
 struct target_type arm920t_target =
 {
        .add_watchpoint = arm7_9_add_watchpoint,
        .remove_watchpoint = arm7_9_remove_watchpoint,
 
-       .register_commands = arm920t_register_commands,
+       .commands = arm920t_command_handlers,
        .target_create = arm920t_target_create,
        .init_target = arm9tdmi_init_target,
        .examine = arm7_9_examine,
 
        int mmu, int d_u_cache, int i_cache);
 void arm920t_enable_mmu_caches(struct target *target,
        int mmu, int d_u_cache, int i_cache);
-int arm920t_register_commands(struct command_context *cmd_ctx);
+
+extern const struct command_registration arm920t_command_handlers[];
 
 #endif /* ARM920T_H */
 
        },
        COMMAND_REGISTRATION_DONE
 };
-static const struct command_registration arm926ejs_command_handlers[] = {
+const struct command_registration arm926ejs_command_handlers[] = {
+       {
+               .chain = arm9tdmi_command_handlers,
+       },
        {
                .name = "arm926ejs",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-/** Registers commands to access coprocessor, cache, and debug resources.  */
-int arm926ejs_register_commands(struct command_context *cmd_ctx)
-{
-       arm9tdmi_register_commands(cmd_ctx);
-       return register_commands(cmd_ctx, NULL, arm926ejs_command_handlers);
-}
-
 /** Holds methods for ARM926 targets. */
 struct target_type arm926ejs_target =
 {
        .add_watchpoint = arm7_9_add_watchpoint,
        .remove_watchpoint = arm7_9_remove_watchpoint,
 
-       .register_commands = arm926ejs_register_commands,
+       .commands = arm926ejs_command_handlers,
        .target_create = arm926ejs_target_create,
        .init_target = arm9tdmi_init_target,
        .examine = arm7_9_examine,
 
 
 int arm926ejs_init_arch_info(struct target *target,
                struct arm926ejs_common *arm926ejs, struct jtag_tap *tap);
-int arm926ejs_register_commands(struct command_context *cmd_ctx);
 int arm926ejs_arch_state(struct target *target);
 int arm926ejs_write_memory(struct target *target,
                uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
 int arm926ejs_soft_reset_halt(struct target *target);
 
+extern const struct command_registration arm926ejs_command_handlers[];
+
 #endif /* ARM926EJS_H */
 
        COMMAND_REGISTRATION_DONE
 };
 
-static const struct command_registration arm966e_command_handlers[] = {
+const struct command_registration arm966e_command_handlers[] = {
+       {
+               .chain = arm9tdmi_command_handlers,
+       },
        {
                .name = "arm966e",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-/** Registers commands used to access coprocessor resources. */
-int arm966e_register_commands(struct command_context *cmd_ctx)
-{
-       arm9tdmi_register_commands(cmd_ctx);
-       return register_commands(cmd_ctx, NULL, arm966e_command_handlers);
-}
-
 /** Holds methods for ARM966 targets. */
 struct target_type arm966e_target =
 {
        .add_watchpoint = arm7_9_add_watchpoint,
        .remove_watchpoint = arm7_9_remove_watchpoint,
 
-       .register_commands = arm966e_register_commands,
+       .commands = arm966e_command_handlers,
        .target_create = arm966e_target_create,
        .init_target = arm9tdmi_init_target,
        .examine = arm7_9_examine,
 
 
 int arm966e_init_arch_info(struct target *target,
                struct arm966e_common *arm966e, struct jtag_tap *tap);
-int arm966e_register_commands(struct command_context *cmd_ctx);
 int arm966e_write_cp15(struct target *target, int reg_addr, uint32_t value);
 
+extern const struct command_registration arm966e_command_handlers[];
+
 #endif /* ARM966E_H */
 
        },
        COMMAND_REGISTRATION_DONE
 };
-static const struct command_registration arm9tdmi_command_handlers[] = {
+const struct command_registration arm9tdmi_command_handlers[] = {
+       {
+               .chain = arm7_9_command_handlers,
+       },
        {
                .name = "arm9tdmi",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-int arm9tdmi_register_commands(struct command_context *cmd_ctx)
-{
-       arm7_9_register_commands(cmd_ctx);
-       return register_commands(cmd_ctx, NULL, arm9tdmi_command_handlers);
-}
-
 /** Holds methods for ARM9TDMI targets. */
 struct target_type arm9tdmi_target =
 {
        .add_watchpoint = arm7_9_add_watchpoint,
        .remove_watchpoint = arm7_9_remove_watchpoint,
 
-       .register_commands = arm9tdmi_register_commands,
+       .commands = arm9tdmi_command_handlers,
        .target_create = arm9tdmi_target_create,
        .init_target = arm9tdmi_init_target,
        .examine = arm7_9_examine,
 
                struct target *target);
 int arm9tdmi_init_arch_info(struct target *target,
                struct arm7_9_common *arm7_9, struct jtag_tap *tap);
-int arm9tdmi_register_commands(struct command_context *cmd_ctx);
+extern const struct command_registration arm9tdmi_command_handlers[];
 
 int arm9tdmi_clock_out(struct arm_jtag *jtag_info,
                uint32_t instr, uint32_t out, uint32_t *in, int sysspeed);
 
        },
        COMMAND_REGISTRATION_DONE
 };
-static const struct command_registration arm_command_handlers[] = {
+const struct command_registration arm_command_handlers[] = {
        {
                .name = "arm",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-int armv4_5_register_commands(struct command_context *cmd_ctx)
-{
-       return register_commands(cmd_ctx, NULL, arm_command_handlers);
-}
-
 int armv4_5_get_gdb_reg_list(struct target *target, struct reg **reg_list[], int *reg_list_size)
 {
        struct arm *armv4_5 = target_to_armv4_5(target);
 
 #define ARMV4_5_H
 
 #include "target.h"
+#include "command.h"
+
 
 typedef enum armv4_5_mode
 {
 int armv4_5_get_gdb_reg_list(struct target *target,
                struct reg **reg_list[], int *reg_list_size);
 
-int armv4_5_register_commands(struct command_context *cmd_ctx);
+extern const struct command_registration arm_command_handlers[];
+
 int armv4_5_init_arch_info(struct target *target, struct arm *armv4_5);
 
 int armv4_5_run_algorithm(struct target *target,
 
        },
        COMMAND_REGISTRATION_DONE
 };
-static const struct command_registration armv7a_command_handlers[] = {
+const struct command_registration armv7a_command_handlers[] = {
        {
                .name = "dap",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-int armv7a_register_commands(struct command_context *cmd_ctx)
-{
-       return register_commands(cmd_ctx, NULL, armv7a_command_handlers);
-}
 
 int armv7a_arch_state(struct target *target);
 struct reg_cache *armv7a_build_reg_cache(struct target *target,
                struct armv7a_common *armv7a_common);
-int armv7a_register_commands(struct command_context *cmd_ctx);
 int armv7a_init_arch_info(struct target *target, struct armv7a_common *armv7a);
 
+extern const struct command_registration armv7a_command_handlers[];
+
 #endif /* ARMV4_5_H */
 
        },
        COMMAND_REGISTRATION_DONE
 };
-static const struct command_registration armv7m_command_handlers[] = {
+const struct command_registration armv7m_command_handlers[] = {
        {
                .name = "dap",
                .mode = COMMAND_ANY,
        },
        COMMAND_REGISTRATION_DONE
 };
-
-int armv7m_register_commands(struct command_context *cmd_ctx)
-{
-       return register_commands(cmd_ctx, NULL, armv7m_command_handlers);
-}
 
 int armv7m_get_gdb_reg_list(struct target *target,
                struct reg **reg_list[], int *reg_list_size);
 
-int armv7m_register_commands(struct command_context *cmd_ctx);
 int armv7m_init_arch_info(struct target *target, struct armv7m_common *armv7m);
 
 int armv7m_run_algorithm(struct target *target,
 int armv7m_blank_check_memory(struct target *target,
                uint32_t address, uint32_t count, uint32_t* blank);
 
+extern const struct command_registration armv7m_command_handlers[];
+
 /* Thumb mode instructions
  */
 
 
 
 #define AVR_JTAG_INS_LEN       4
 
-/* cli handling */
-int avr_register_commands(struct command_context *cmd_ctx);
-
 /* forward declarations */
 int avr_target_create(struct target *target, Jim_Interp *interp);
 int avr_init_target(struct command_context *cmd_ctx, struct target *target);
        .add_watchpoint = avr_add_watchpoint,
        .remove_watchpoint = avr_remove_watchpoint,
 */
-       .register_commands = avr_register_commands,
        .target_create = avr_target_create,
        .init_target = avr_init_target,
 };
 
-int avr_register_commands(struct command_context *cmd_ctx)
-{
-       LOG_DEBUG("%s", __FUNCTION__);
-       return ERROR_OK;
-}
-
 int avr_target_create(struct target *target, Jim_Interp *interp)
 {
        struct avr_common *avr = calloc(1, sizeof(struct avr_common));
 
        COMMAND_REGISTRATION_DONE
 };
 static const struct command_registration cortex_a8_command_handlers[] = {
+       {
+               .chain = arm_command_handlers,
+       },
+       {
+               .chain = armv7a_command_handlers,
+       },
        {
                .name = "cortex_a8",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-static int cortex_a8_register_commands(struct command_context *cmd_ctx)
-{
-       armv4_5_register_commands(cmd_ctx);
-       armv7a_register_commands(cmd_ctx);
-       return register_commands(cmd_ctx, NULL, cortex_a8_command_handlers);
-}
-
 struct target_type cortexa8_target = {
        .name = "cortex_a8",
 
        .add_watchpoint = NULL,
        .remove_watchpoint = NULL,
 
-       .register_commands = cortex_a8_register_commands,
+       .commands = cortex_a8_command_handlers,
        .target_create = cortex_a8_target_create,
        .init_target = cortex_a8_init_target,
        .examine = cortex_a8_examine,
 
        COMMAND_REGISTRATION_DONE
 };
 static const struct command_registration cortex_m3_command_handlers[] = {
+       {
+               .chain = arm_command_handlers,
+       },
+       {
+               .chain = armv7m_command_handlers,
+       },
        {
                .name = "cortex_m3",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-static int cortex_m3_register_commands(struct command_context *cmd_ctx)
-{
-       armv7m_register_commands(cmd_ctx);
-       return register_commands(cmd_ctx, NULL, cortex_m3_command_handlers);
-}
-
 struct target_type cortexm3_target =
 {
        .name = "cortex_m3",
        .add_watchpoint = cortex_m3_add_watchpoint,
        .remove_watchpoint = cortex_m3_remove_watchpoint,
 
-       .register_commands = cortex_m3_register_commands,
+       .commands = cortex_m3_command_handlers,
        .target_create = cortex_m3_target_create,
        .init_target = cortex_m3_init_target,
        .examine = cortex_m3_examine,
 
        },
        COMMAND_REGISTRATION_DONE
 };
-static const struct command_registration etm_command_handlers[] = {
+const struct command_registration etm_command_handlers[] = {
        {
                .name = "etm",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-int etm_register_commands(struct command_context *cmd_ctx)
-{
-       return register_commands(cmd_ctx, NULL, etm_command_handlers);
-}
-
 static const struct command_registration etm_exec_command_handlers[] = {
        {
                .name = "tracemode", handle_etm_tracemode_command,
 
 
 int etm_setup(struct target *target);
 
-int etm_register_commands(struct command_context *cmd_ctx);
+extern const struct command_registration etm_command_handlers[];
 
 #define ERROR_ETM_INVALID_DRIVER       (-1300)
 #define ERROR_ETM_PORTMODE_NOT_SUPPORTED       (-1301)
 
        .add_watchpoint = arm7_9_add_watchpoint,
        .remove_watchpoint = arm7_9_remove_watchpoint,
 
-       .register_commands = arm920t_register_commands,
+       .commands = arm920t_command_handlers,
        .target_create = fa526_target_create,
        .init_target = arm9tdmi_init_target,
        .examine = arm7_9_examine,
 
        .add_watchpoint = arm7_9_add_watchpoint,
        .remove_watchpoint = arm7_9_remove_watchpoint,
 
-       .register_commands = arm926ejs_register_commands,
+       .commands = arm926ejs_command_handlers,
        .target_create = feroceon_target_create,
        .init_target = feroceon_init_target,
        .examine = feroceon_examine,
        .add_watchpoint = arm7_9_add_watchpoint,
        .remove_watchpoint = arm7_9_remove_watchpoint,
 
-       .register_commands = arm966e_register_commands,
+       .commands = arm966e_command_handlers,
        .target_create = dragonite_target_create,
        .init_target = feroceon_init_target,
        .examine = feroceon_examine,
 
        return ERROR_OK;
 }
 
-int mips32_register_commands(struct command_context *cmd_ctx)
-{
-       return ERROR_OK;
-}
-
 int mips32_run_algorithm(struct target *target, int num_mem_params, struct mem_param *mem_params, int num_reg_params, struct reg_param *reg_params, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info)
 {
        /*TODO*/
 
 int mips_m4k_step(struct target *target, int current, uint32_t address, int handle_breakpoints);
 int mips_m4k_read_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
 int mips_m4k_write_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
-int mips_m4k_register_commands(struct command_context *cmd_ctx);
 int mips_m4k_init_target(struct command_context *cmd_ctx, struct target *target);
 int mips_m4k_target_create(struct target *target, Jim_Interp *interp);
 
        .add_watchpoint = mips_m4k_add_watchpoint,
        .remove_watchpoint = mips_m4k_remove_watchpoint,
 
-       .register_commands = mips_m4k_register_commands,
        .target_create = mips_m4k_target_create,
        .init_target = mips_m4k_init_target,
        .examine = mips_m4k_examine,
                return mips32_dmaacc_write_mem(ejtag_info, address, size, count, (void *)buffer);
 }
 
-int mips_m4k_register_commands(struct command_context *cmd_ctx)
-{
-       int retval;
-
-       retval = mips32_register_commands(cmd_ctx);
-       return retval;
-}
-
 int mips_m4k_init_target(struct command_context *cmd_ctx, struct target *target)
 {
        mips32_build_reg_cache(target);
 
        if (!target->variant)
                target->variant = strdup("");
 
+       cp = Jim_GetString(new_cmd, NULL);
+       target->cmd_name = strdup(cp);
+
        /* create the target specific commands */
-       if (target->type->register_commands) {
-               (*(target->type->register_commands))(cmd_ctx);
+       if (target->type->commands) {
+               e = register_commands(cmd_ctx, NULL, target->type->commands);
+               if (ERROR_OK != e)
+                       LOG_ERROR("unable to register '%s' commands", cp);
        }
        if (target->type->target_create) {
                (*(target->type->target_create))(target, goi->interp);
                *tpp = target;
        }
 
-       cp = Jim_GetString(new_cmd, NULL);
-       target->cmd_name = strdup(cp);
-
        /* now - create the new target name command */
        e = Jim_CreateCommand(goi->interp,
                                                   /* name */
 
         */
        int (*run_algorithm)(struct target *target, int num_mem_params, struct mem_param *mem_params, int num_reg_params, struct reg_param *reg_param, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info);
 
-       int (*register_commands)(struct command_context *cmd_ctx);
+       const struct command_registration *commands;
 
        /* called when target is created */
        int (*target_create)(struct target *target, Jim_Interp *interp);
 
        COMMAND_REGISTRATION_DONE
 };
 static const struct command_registration xscale_command_handlers[] = {
+       {
+               .chain = arm_command_handlers,
+       },
        {
                .name = "xscale",
                .mode = COMMAND_ANY,
        COMMAND_REGISTRATION_DONE
 };
 
-static int xscale_register_commands(struct command_context *cmd_ctx)
-{
-
-       armv4_5_register_commands(cmd_ctx);
-
-       return ERROR_OK;
-}
-
 struct target_type xscale_target =
 {
        .name = "xscale",
        .add_watchpoint = xscale_add_watchpoint,
        .remove_watchpoint = xscale_remove_watchpoint,
 
-       .register_commands = xscale_register_commands,
+       .commands = xscale_command_handlers,
        .target_create = xscale_target_create,
        .init_target = xscale_init_target,