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examples: Add wamr_module

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This example demonstrates how to register a external module
into WAMR runtime.

Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
This commit is contained in:
Huang Qi 2024-08-24 13:47:26 +08:00 • committed by Xiang Xiao
parent 9320597c00
commit 2ecaf0ec48
5 changed files with 170 additions and 0 deletions
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examples/wamr_module/module_hello.c Normal file
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/****************************************************************************
* apps/examples/wamr_module/module_hello.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdio.h>
#include <stddef.h>
#include <sys/param.h>
#include "wasm_export.h"
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static void hello_wrapper(wasm_exec_env_t env);
/****************************************************************************
* Private Data
****************************************************************************/
static NativeSymbol g_hello_symbols[] =
{
EXPORT_WASM_API_WITH_SIG2(hello, "()")
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: hello_wrapper
****************************************************************************/
static void hello_wrapper(wasm_exec_env_t env)
{
printf("Hello World from WAMR module!\n");
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: wamr_module_hello_register
*
* The function prototype for the <WAMR_MODULE_NAME> module must be:
* `bool wamr_module_<WAMR_MODULE_NAME>_register(void)`
*
****************************************************************************/
bool wamr_module_hello_register(void)
{
return wasm_runtime_register_natives("hello", g_hello_symbols,
nitems(g_hello_symbols));
}