xref: /nrf52832-nimble/rt-thread/components/libc/libdl/dlsym.c (revision 104654410c56c573564690304ae786df310c91fc) 
1*10465441SEvalZero /*
2*10465441SEvalZero  * Copyright (c) 2006-2018, RT-Thread Development Team
3*10465441SEvalZero  *
4*10465441SEvalZero  * SPDX-License-Identifier: Apache-2.0
5*10465441SEvalZero  *
6*10465441SEvalZero  * Change Logs:
7*10465441SEvalZero  * Date           Author      Notes
8*10465441SEvalZero  * 2010-11-17     yi.qiu      first version
9*10465441SEvalZero  */
10*10465441SEvalZero 
11*10465441SEvalZero #include <rtthread.h>
12*10465441SEvalZero #include <rtm.h>
13*10465441SEvalZero 
14*10465441SEvalZero #include "dlmodule.h"
15*10465441SEvalZero 
dlsym(void * handle,const char * symbol)16*10465441SEvalZero void* dlsym(void *handle, const char* symbol)
17*10465441SEvalZero {
18*10465441SEvalZero     int i;
19*10465441SEvalZero     struct rt_dlmodule *module;
20*10465441SEvalZero 
21*10465441SEvalZero     RT_ASSERT(handle != RT_NULL);
22*10465441SEvalZero 
23*10465441SEvalZero     module = (struct rt_dlmodule *)handle;
24*10465441SEvalZero 
25*10465441SEvalZero     for(i=0; i<module->nsym; i++)
26*10465441SEvalZero     {
27*10465441SEvalZero         if (rt_strcmp(module->symtab[i].name, symbol) == 0)
28*10465441SEvalZero             return (void*)module->symtab[i].addr;
29*10465441SEvalZero     }
30*10465441SEvalZero 
31*10465441SEvalZero     return RT_NULL;
32*10465441SEvalZero }
33*10465441SEvalZero RTM_EXPORT(dlsym)
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