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-rw-r--r--components/libdl/dlsym.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/components/libdl/dlsym.c b/components/libdl/dlsym.c
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+++ b/components/libdl/dlsym.c
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+/*
+ * 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* rt_dlsym(void *handle, const char* symbol)
+{
+ int i;
+ rt_module_t module = (rt_module_t)handle;
+
+ RT_ASSERT(handle != RT_NULL);
+
+ 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(rt_dlsym)
+