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the RPC program worked as expected, it output twenty random numbers in the range of 0 and 1. The only obstacle we faced was trying to compile the code using g++, however, the problems disappeared once we switched to gcc.

1、开发环境linux2.6.362、交叉编译器gcc 4.2.33、本代码为s3c64xx GPIO驱动，代码中有完整的Makefile、Kconfig文件，和GPIO测试代码，可以和内核一起编译，方便移植。本代码已在飞凌嵌入式板子OK6410上测试通过。-(1) devolop enviroment base on linux 2.6.36 (2) cross compiler is gcc 4.2.3(3) this code is for s3c64xx GPIO driver, and