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dejagnu 测试原理 

   你好！我看过不少关于dejagnu的论文和官方手册，dejagnu测试原理就是根据dejagnu中的命令对测试集做一个相应的动作，将输出结果与预期结果做对比，一致就pass，否则fail，原理如下图所示。

image
在测试gas时过程确实如上所示，正常测试中根据xx.d汇编xx.s，再将结果反汇编与xx.d中的结果对比，一致pass，否则fail，异常测试也类似，只不过预期结果在xx.l中。
但是在测试gcc时结果却不一样了，未找到预期结果在哪里，不知道怎么判定通过与否的，是gcc的测试原理不一样吗。望老师赐教!

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