//Device.cpp
#include "other.h"
#ifdef __cplusplus
extern "C" {
#endif
 int initDevice(char *arg);
#ifdef __cplusplus
}
#endif

int initDevice(char *arg)

{
 printf("%s\n", arg);
}

生成的.out文件需对其使用如下命令
 chmod.exe a+rx Device.out

int dynLoadOut( )
{
 char szDeviceOutPath[128] = "/ata0a/App/Device.out";
 for (int j = 0; j < 3; j++)
 {
  int fdX = open (szDeviceOutPath, O_RDONLY, 0644);
  
  if (fdX == ERROR )
  {
   printf("openfile error:%s\n", szDeviceOutPath);
   taskDelay(1000);
   continue;
  }
  else
  { 
   MODULE_ID modID = loadModule (fdX, LOAD_ALL_SYMBOLS);
   close (fdX);

   if (modID == 0)
   {
    printf("loadModule error\n");
    return 1;
   }
   break;
  }
 }
 printf("loadModule ok\n");

 extern SYMTAB_ID sysSymTbl;
 FUNCPTR deviceEntry = 0;
 SYM_TYPE type;
 STATUS stus = symFindByName(sysSymTbl, "initDevice", (char**)&deviceEntry, &type);
 if (stus == ERROR)
 {
  printf("symFindByName error\n");
  return 1;
 }
 else
 {
  printf("deviceEntry = 0x%x, type = %d\n", (int)deviceEntry, (int)type);
  char szPara[128] = "have a test!"
  (*deviceEntry)(szPara);
 }
}