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examples: Add wamr_module
This example demonstrates how to register a external module into WAMR runtime. Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
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27
examples/wamr_module/CMakeLists.txt
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27
examples/wamr_module/CMakeLists.txt
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# ##############################################################################
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# apps/examples/wamr_module/CMakeLists.txt
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more contributor
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# license agreements. See the NOTICE file distributed with this work for
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# additional information regarding copyright ownership. The ASF licenses this
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# file to you under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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#
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# ##############################################################################
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if(CONFIG_EXAMPLES_WAMR_MODULE)
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target_sources(apps PRIVATE module_hello.c)
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# register WAMR mod
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nuttx_add_wamrmod(MODS hello)
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endif()
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11
examples/wamr_module/Kconfig
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examples/wamr_module/Kconfig
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#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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config EXAMPLES_WAMR_MODULE
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tristate "WAMR module example"
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default n
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---help---
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This example demonstrates how to register a external module
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into WAMR runtime.
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23
examples/wamr_module/Make.defs
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examples/wamr_module/Make.defs
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############################################################################
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# apps/examples/wamr_module/Make.defs
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################
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ifneq ($(CONFIG_EXAMPLES_WAMR_MODULE),)
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CONFIGURED_APPS += $(APPDIR)/examples/wamr_module
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endif
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34
examples/wamr_module/Makefile
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examples/wamr_module/Makefile
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############################################################################
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# apps/examples/wamr_module/Makefile
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################
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include $(APPDIR)/Make.defs
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# A Hello World WAMR C module
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CSRCS = module_hello.c
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# Set WAMR_MODULE_NAME and include Module.mk to add this module to the list of
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# builtin modules for the WAMR runtime. WAMR_MODULE_NAME must be unique across all
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# modules in system.
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WAMR_MODULE_NAME = hello
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include $(APPDIR)/interpreters/wamr/Module.mk
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include $(APPDIR)/Application.mk
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75
examples/wamr_module/module_hello.c
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examples/wamr_module/module_hello.c
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/****************************************************************************
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* apps/examples/wamr_module/module_hello.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdio.h>
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#include <stddef.h>
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#include <sys/param.h>
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#include "wasm_export.h"
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static void hello_wrapper(wasm_exec_env_t env);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static NativeSymbol g_hello_symbols[] =
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{
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EXPORT_WASM_API_WITH_SIG2(hello, "()")
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: hello_wrapper
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****************************************************************************/
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static void hello_wrapper(wasm_exec_env_t env)
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{
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printf("Hello World from WAMR module!\n");
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: wamr_module_hello_register
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*
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* The function prototype for the <WAMR_MODULE_NAME> module must be:
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* `bool wamr_module_<WAMR_MODULE_NAME>_register(void)`
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*
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****************************************************************************/
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bool wamr_module_hello_register(void)
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{
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return wasm_runtime_register_natives("hello", g_hello_symbols,
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nitems(g_hello_symbols));
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}
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