rt-thread-official/components/libdl/dlsym.c

/*
 * File      : dlsym.c
 * This file is part of RT-Thread RTOS
 * COPYRIGHT (C) 2006 - 2010, RT-Thread Development Team
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rt-thread.org/license/LICENSE
 *
 * Change Logs:
 * Date           Author		Notes
 * 2010-11-17      yi.qiu	first version
 */

#include <rtthread.h>
#include <rtm.h>

void* dlsym(void *handle, const char* symbol)
{
	int i;
	rt_module_t module;
	
	RT_ASSERT(handle != RT_NULL);

	module = (rt_module_t)handle;

	for(i=0; i<module->nsym; i++)
	{
		if (rt_strcmp(module->symtab[i].name, symbol) == 0)
			return (void*)module->symtab[i].addr;
	}	

	return RT_NULL;
}

RTM_EXPORT(dlsym)