module: export symbols for loadable modules

Export a number of symbols, commonly used by loadable modules. Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
thesofproject · Jan 9, 2024 · 12d958a · 12d958a
1 parent 76926da
commit 12d958a
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Showing 13 changed files with 78 additions and 1 deletion.
diff --git a/posix/include/rtos/symbol.h b/posix/include/rtos/symbol.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright(c) 2023 Intel Corporation. All rights reserved.
+ */
+
+#ifndef __RTOS_SYMBOL_H__
+#define __RTOS_SYMBOL_H__
+
+#define EXPORT_SYMBOL(x)
+
+#endif
diff --git a/src/audio/component.c b/src/audio/component.c
@@ -15,6 +15,7 @@
 #include <sof/list.h>
 #include <rtos/sof.h>
 #include <rtos/string.h>
+#include <rtos/symbol.h>
 #include <ipc/topology.h>
 #include <errno.h>
 #include <stdbool.h>
@@ -49,6 +50,7 @@ int comp_register(struct comp_driver_info *drv)
 
 	return 0;
 }
+EXPORT_SYMBOL(comp_register);
 
 void comp_unregister(struct comp_driver_info *drv)
 {

diff --git a/src/audio/data_blob.c b/src/audio/data_blob.c
@@ -7,6 +7,7 @@
 #include <sof/audio/module_adapter/module/generic.h>
 #include <rtos/sof.h>
 #include <rtos/alloc.h>
+#include <rtos/symbol.h>
 #include <ipc/topology.h>
 #include <ipc/control.h>
 #include <sof/audio/component.h>
@@ -426,6 +427,7 @@ int ipc4_comp_data_blob_set(struct comp_data_blob_handler *blob_handler,
 
 	return 0;
 }
+EXPORT_SYMBOL(comp_data_blob_set);
 
 int comp_data_blob_set_cmd(struct comp_data_blob_handler *blob_handler,
 			   struct sof_ipc_ctrl_data *cdata)
@@ -645,6 +647,7 @@ comp_data_blob_handler_new_ext(struct comp_dev *dev, bool single_blob,
 
 	return handler;
 }
+EXPORT_SYMBOL(comp_data_blob_handler_new_ext);
 
 void comp_data_blob_handler_free(struct comp_data_blob_handler *blob_handler)
 {
@@ -655,3 +658,4 @@ void comp_data_blob_handler_free(struct comp_data_blob_handler *blob_handler)
 
 	rfree(blob_handler);
 }
+EXPORT_SYMBOL(comp_data_blob_handler_free);
diff --git a/src/audio/module_adapter/module_adapter.c b/src/audio/module_adapter/module_adapter.c
@@ -23,6 +23,7 @@
 #include <sof/platform.h>
 #include <sof/ut.h>
 #include <rtos/interrupt.h>
+#include <rtos/symbol.h>
 #include <limits.h>
 #include <stdint.h>
 
@@ -128,6 +129,7 @@ struct comp_dev *module_adapter_new(const struct comp_driver *drv,
 	rfree(dev);
 	return NULL;
 }
+EXPORT_SYMBOL(module_adapter_new);
 
 #if CONFIG_ZEPHYR_DP_SCHEDULER
 static int module_adapter_dp_queue_prepare(struct comp_dev *dev)
@@ -552,6 +554,7 @@ int module_adapter_prepare(struct comp_dev *dev)
 	mod->input_buffers = NULL;
 	return ret;
 }
+EXPORT_SYMBOL(module_adapter_prepare);
 
 int module_adapter_params(struct comp_dev *dev, struct sof_ipc_stream_params *params)
 {
@@ -591,6 +594,7 @@ int module_adapter_params(struct comp_dev *dev, struct sof_ipc_stream_params *pa
 
 	return 0;
 }
+EXPORT_SYMBOL(module_adapter_params);
 
 /*
  * Function to copy from source buffer to the module buffer
@@ -1243,6 +1247,7 @@ int module_adapter_copy(struct comp_dev *dev)
 	comp_err(dev, "module_adapter_copy(): unknown processing_data_type");
 	return -EINVAL;
 }
+EXPORT_SYMBOL(module_adapter_copy);
 
 int module_adapter_trigger(struct comp_dev *dev, int cmd)
 {
@@ -1268,6 +1273,7 @@ int module_adapter_trigger(struct comp_dev *dev, int cmd)
 
 	return module_adapter_set_state(mod, dev, cmd);
 }
+EXPORT_SYMBOL(module_adapter_trigger);
 
 int module_adapter_reset(struct comp_dev *dev)
 {
@@ -1341,6 +1347,7 @@ int module_adapter_reset(struct comp_dev *dev)
 
 	return comp_set_state(dev, COMP_TRIGGER_RESET);
 }
+EXPORT_SYMBOL(module_adapter_reset);
 
 void module_adapter_free(struct comp_dev *dev)
 {
@@ -1368,6 +1375,7 @@ void module_adapter_free(struct comp_dev *dev)
 	rfree(mod);
 	rfree(dev);
 }
+EXPORT_SYMBOL(module_adapter_free);
 
 /*
  * \brief Get DAI hw params
@@ -1390,6 +1398,7 @@ int module_adapter_get_hw_params(struct comp_dev *dev, struct sof_ipc_stream_par
 
 	return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(module_adapter_get_hw_params);
 
 /*
  * \brief Get stream position
@@ -1410,6 +1419,7 @@ int module_adapter_position(struct comp_dev *dev, struct sof_ipc_stream_posn *po
 
 	return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(module_adapter_position);
 
 /*
  * \brief DAI timestamp configure
@@ -1429,6 +1439,7 @@ int module_adapter_ts_config_op(struct comp_dev *dev)
 
 	return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(module_adapter_ts_config_op);
 
 /*
  * \brief DAI timestamp start
@@ -1448,6 +1459,7 @@ int module_adapter_ts_start_op(struct comp_dev *dev)
 
 	return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(module_adapter_ts_start_op);
 
 /*
  * \brief DAI timestamp stop
@@ -1467,6 +1479,7 @@ int module_adapter_ts_stop_op(struct comp_dev *dev)
 
 	return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(module_adapter_ts_stop_op);
 
 /*
  * \brief Get DAI timestamp
@@ -1491,4 +1504,4 @@ int module_adapter_ts_get_op(struct comp_dev *dev, struct timestamp_data *tsd)
 
 	return -EOPNOTSUPP;
 }
-
+EXPORT_SYMBOL(module_adapter_ts_get_op);
diff --git a/src/audio/module_adapter/module_adapter_ipc4.c b/src/audio/module_adapter/module_adapter_ipc4.c
@@ -19,6 +19,7 @@
 #include <sof/platform.h>
 #include <sof/ut.h>
 #include <rtos/interrupt.h>
+#include <rtos/symbol.h>
 #include <limits.h>
 #include <stdint.h>
 
@@ -131,6 +132,7 @@ int module_set_large_config(struct comp_dev *dev, uint32_t param_id, bool first_
 						  fragment_size, NULL, 0);
 	return 0;
 }
+EXPORT_SYMBOL(module_set_large_config);
 
 int module_get_large_config(struct comp_dev *dev, uint32_t param_id, bool first_block,
 			    bool last_block, uint32_t *data_offset_size, char *data)
@@ -157,6 +159,7 @@ int module_get_large_config(struct comp_dev *dev, uint32_t param_id, bool first_
 						  (uint8_t *)data, fragment_size);
 	return 0;
 }
+EXPORT_SYMBOL(module_get_large_config);
 
 int module_adapter_get_attribute(struct comp_dev *dev, uint32_t type, void *value)
 {
@@ -173,6 +176,7 @@ int module_adapter_get_attribute(struct comp_dev *dev, uint32_t type, void *valu
 
 	return 0;
 }
+EXPORT_SYMBOL(module_adapter_get_attribute);
 
 static bool module_adapter_multi_sink_source_prepare(struct comp_dev *dev)
 {
@@ -226,6 +230,7 @@ int module_adapter_bind(struct comp_dev *dev, void *data)
 
 	return 0;
 }
+EXPORT_SYMBOL(module_adapter_bind);
 
 int module_adapter_unbind(struct comp_dev *dev, void *data)
 {
@@ -240,6 +245,7 @@ int module_adapter_unbind(struct comp_dev *dev, void *data)
 
 	return 0;
 }
+EXPORT_SYMBOL(module_adapter_unbind);
 
 uint64_t module_adapter_get_total_data_processed(struct comp_dev *dev,
 						 uint32_t stream_no, bool input)
@@ -255,6 +261,7 @@ uint64_t module_adapter_get_total_data_processed(struct comp_dev *dev,
 	else
 		return mod->total_data_consumed;
 }
+EXPORT_SYMBOL(module_adapter_get_total_data_processed);
 
 int module_adapter_sink_src_prepare(struct comp_dev *dev)
 {

diff --git a/src/ipc/ipc-helper.c b/src/ipc/ipc-helper.c
@@ -24,6 +24,7 @@
 #include <sof/platform.h>
 #include <rtos/sof.h>
 #include <rtos/spinlock.h>
+#include <rtos/symbol.h>
 #include <ipc/dai.h>
 #include <ipc/header.h>
 #include <ipc/stream.h>
@@ -160,6 +161,7 @@ int comp_verify_params(struct comp_dev *dev, uint32_t flag,
 
 	return 0;
 }
+EXPORT_SYMBOL(comp_verify_params);
 
 int comp_buffer_connect(struct comp_dev *comp, uint32_t comp_core,
 			struct comp_buffer *buffer, uint32_t dir)

diff --git a/src/ipc/ipc4/helper.c b/src/ipc/ipc4/helper.c
@@ -21,6 +21,7 @@
 #include <sof/list.h>
 #include <sof/platform.h>
 #include <sof/schedule/ll_schedule_domain.h>
+#include <rtos/symbol.h>
 #include <rtos/wait.h>
 
 /* TODO: Remove platform-specific code, see https://github.com/thesofproject/sof/issues/7549 */
@@ -1058,6 +1059,7 @@ void ipc4_base_module_cfg_to_stream_params(const struct ipc4_base_module_cfg *ba
 	for (i = 0; i < SOF_IPC_MAX_CHANNELS; i++)
 		params->chmap[i] = (base_cfg->audio_fmt.ch_map >> i * 4) & 0xf;
 }
+EXPORT_SYMBOL(ipc4_base_module_cfg_to_stream_params);
 
 void ipc4_update_buffer_format(struct comp_buffer *buf_c,
 			       const struct ipc4_audio_format *fmt)
@@ -1115,3 +1117,4 @@ void ipc4_update_sink_format(struct sof_sink *sink,
 	sink_set_valid_fmt(sink, valid_fmt);
 	sink_set_buffer_fmt(sink, fmt->interleaving_style);
 }
+EXPORT_SYMBOL(ipc4_update_buffer_format);
diff --git a/src/math/numbers.c b/src/math/numbers.c
@@ -12,6 +12,7 @@
 
 #include <sof/audio/format.h>
 #include <sof/math/numbers.h>
+#include <rtos/symbol.h>
 #include <stdint.h>
 
 /* This function returns the greatest common divisor of two numbers
@@ -72,6 +73,7 @@ int gcd(int a, int b)
 	/* restore common factors of 2 */
 	return a << k;
 }
+EXPORT_SYMBOL(gcd);
 
 #if CONFIG_NUMBERS_VECTOR_FIND
 

diff --git a/src/module/audio/sink_api.c b/src/module/audio/sink_api.c
@@ -5,6 +5,7 @@
 
 #include <module/audio/sink_api.h>
 #include <module/audio/audio_stream.h>
+#include <rtos/symbol.h>
 
 /* This file contains public sink API functions that were too large to mark is as inline. */
 
@@ -23,6 +24,7 @@ int sink_get_buffer(struct sof_sink *sink, size_t req_size,
 		sink->requested_write_frag_size = req_size;
 	return ret;
 }
+EXPORT_SYMBOL(sink_get_buffer);
 
 int sink_commit_buffer(struct sof_sink *sink, size_t commit_size)
 {
@@ -44,6 +46,7 @@ int sink_commit_buffer(struct sof_sink *sink, size_t commit_size)
 	sink->num_of_bytes_processed += commit_size;
 	return ret;
 }
+EXPORT_SYMBOL(sink_commit_buffer);
 
 int sink_set_frm_fmt(struct sof_sink *sink, enum sof_ipc_frame frame_fmt)
 {

diff --git a/src/module/audio/source_api.c b/src/module/audio/source_api.c
@@ -6,6 +6,7 @@
 
 #include <module/audio/source_api.h>
 #include <module/audio/audio_stream.h>
+#include <rtos/symbol.h>
 
 /* This file contains public source API functions that were too large to mark is as inline. */
 
@@ -23,6 +24,7 @@ int source_get_data(struct sof_source *source, size_t req_size,
 		source->requested_read_frag_size = req_size;
 	return ret;
 }
+EXPORT_SYMBOL(source_get_data);
 
 int source_release_data(struct sof_source *source, size_t free_size)
 {
@@ -44,6 +46,7 @@ int source_release_data(struct sof_source *source, size_t free_size)
 	source->num_of_bytes_processed += free_size;
 	return ret;
 }
+EXPORT_SYMBOL(source_release_data);
 
 size_t source_get_frame_bytes(struct sof_source *source)
 {

diff --git a/xtos/include/rtos/symbol.h b/xtos/include/rtos/symbol.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright(c) 2023 Intel Corporation. All rights reserved.
+ */
+
+#ifndef __RTOS_SYMBOL_H__
+#define __RTOS_SYMBOL_H__
+
+#define EXPORT_SYMBOL(x)
+
+#endif
diff --git a/zephyr/include/rtos/symbol.h b/zephyr/include/rtos/symbol.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright(c) 2023 Intel Corporation. All rights reserved.
+ */
+
+#ifndef __RTOS_SYMBOL_H__
+#define __RTOS_SYMBOL_H__
+
+#include <zephyr/llext/symbol.h>
+
+#endif
diff --git a/zephyr/lib/alloc.c b/zephyr/lib/alloc.c
@@ -17,6 +17,7 @@
 #include <sof/audio/pipeline.h>
 #include <sof/audio/component_ext.h>
 #include <sof/trace/trace.h>
+#include <rtos/symbol.h>
 #include <rtos/wait.h>
 
 /* Zephyr includes */
@@ -272,6 +273,7 @@ void *rmalloc(enum mem_zone zone, uint32_t flags, uint32_t caps, size_t bytes)
 
 	return ptr;
 }
+EXPORT_SYMBOL(rmalloc);
 
 /* Use SOF_MEM_ZONE_BUFFER at the moment */
 void *rbrealloc_align(void *ptr, uint32_t flags, uint32_t caps, size_t bytes,
@@ -320,6 +322,7 @@ void *rzalloc(enum mem_zone zone, uint32_t flags, uint32_t caps, size_t bytes)
 
 	return ptr;
 }
+EXPORT_SYMBOL(rzalloc);
 
 /**
  * Allocates memory block from SOF_MEM_ZONE_BUFFER.
@@ -337,6 +340,7 @@ void *rballoc_align(uint32_t flags, uint32_t caps, size_t bytes,
 
 	return (__sparse_force void *)heap_alloc_aligned_cached(&sof_heap, align, bytes);
 }
+EXPORT_SYMBOL(rballoc_align);
 
 /*
  * Free's memory allocated by above alloc calls.
@@ -355,6 +359,7 @@ void rfree(void *ptr)
 
 	heap_free(&sof_heap, ptr);
 }
+EXPORT_SYMBOL(rfree);
 
 static int heap_init(void)
 {