llext: export symbols needed for probes

Export base firmware symbols needed for modular probes.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

src/init/init.c

@@ -26,6 +26,7 @@
 #include <sof/trace/trace.h>
 #include <rtos/idc.h>
 #include <rtos/string_macro.h>
+#include <rtos/symbol.h>
 #include <sof/schedule/schedule.h>
 #include <sof/schedule/edf_schedule.h>
 #include <sof/schedule/dp_schedule.h>
@@ -53,6 +54,7 @@ struct sof *sof_get(void)
 {
 	return &sof;
 }
+EXPORT_SYMBOL(sof_get);
 
 #if CONFIG_NO_SECONDARY_CORE_ROM
 /**

src/ipc/ipc-common.c

@@ -10,6 +10,7 @@
 #include <sof/audio/pipeline.h>
 #include <sof/common.h>
 #include <rtos/idc.h>
+#include <rtos/symbol.h>
 #include <sof/ipc/topology.h>
 #include <sof/ipc/common.h>
 #include <sof/ipc/msg.h>
@@ -93,6 +94,7 @@ struct ipc_comp_dev *ipc_get_comp_dev(struct ipc *ipc, uint16_t type, uint32_t i
 
 	return NULL;
 }
+EXPORT_SYMBOL(ipc_get_comp_dev);
 
 /* Walks through the list of components looking for a sink/source endpoint component
  * of the given pipeline

src/lib/dma.c

@@ -13,6 +13,7 @@
 #include <sof/lib/memory.h>
 #include <sof/lib/uuid.h>
 #include <rtos/spinlock.h>
+#include <rtos/symbol.h>
 #include <sof/trace/trace.h>
 #include <ipc/topology.h>
 #include <user/trace.h>
@@ -278,6 +279,8 @@ void dma_put(struct dma *dma)
 	k_spin_unlock(&dma->lock, key);
 }
 #endif
+EXPORT_SYMBOL(dma_get);
+EXPORT_SYMBOL(dma_put);
 
 int dma_sg_alloc(struct dma_sg_elem_array *elem_array,
 		 enum mem_zone zone,
@@ -318,6 +321,7 @@ void dma_sg_free(struct dma_sg_elem_array *elem_array)
 	rfree(elem_array->elems);
 	dma_sg_init(elem_array);
 }
+EXPORT_SYMBOL(dma_sg_free);
 
 int dma_buffer_copy_from(struct comp_buffer *source,
 			 struct comp_buffer *sink,

src/lib/notifier.c

@@ -16,6 +16,7 @@
 #include <sof/lib/uuid.h>
 #include <sof/list.h>
 #include <rtos/sof.h>
+#include <rtos/symbol.h>
 #include <ipc/topology.h>
 #include <stdint.h>
 
@@ -78,6 +79,7 @@ int notifier_register(void *receiver, void *caller, enum notify_id type,
 	k_spin_unlock(&notify->lock, key);
 	return ret;
 }
+EXPORT_SYMBOL(notifier_register);
 
 void notifier_unregister(void *receiver, void *caller, enum notify_id type)
 {
@@ -114,6 +116,7 @@ void notifier_unregister(void *receiver, void *caller, enum notify_id type)
 
 	k_spin_unlock(&notify->lock, key);
 }
+EXPORT_SYMBOL(notifier_unregister);
 
 void notifier_unregister_all(void *receiver, void *caller)
 {

src/schedule/zephyr_ll.c

@@ -6,6 +6,7 @@
 
 #include <sof/list.h>
 #include <rtos/spinlock.h>
+#include <rtos/symbol.h>
 #include <sof/audio/component.h>
 #include <rtos/interrupt.h>
 #include <sof/lib/notifier.h>
@@ -522,6 +523,7 @@ int zephyr_ll_task_init(struct task *task,
 
 	return 0;
 }
+EXPORT_SYMBOL(zephyr_ll_task_init);
 
 /* TODO: low-power mode clock support */
 /* Runs on each core during initialisation with the same domain argument */

zephyr/schedule.c

@@ -9,6 +9,7 @@
 #include <sof/schedule/edf_schedule.h>
 #include <sof/schedule/ll_schedule.h>
 #include <rtos/alloc.h>
+#include <rtos/symbol.h>
 #include <sof/lib/cpu.h>
 #include <ipc/topology.h>
 
@@ -22,3 +23,4 @@ struct schedulers **arch_schedulers_get(void)
 {
 	return _schedulers + cpu_get_id();
 }
+EXPORT_SYMBOL(arch_schedulers_get);