第2层也会出现文字结果元素(LRE)，这些元素将被复制到结果中而不是作为处理程序指令。
Level 2 is also where Literal result elements (LREs) occur, which are elements that are to be replicated in the result rather than serving as instructions to the processor.
程序员的职责是编码必要的指令来处理IO操作并提供适当的结果。
It is the programmer's responsibility to code the necessary instructions to process the IO operation and to provide the appropriate results.
调试这个问题的一种方法是对这个可执行程序执行objdump命令，并将其结果保存到一个文件中；然后查找出错的指令(在本例中，出错的操作码是98080000)。
One way of debugging this failure is to do an object dump of the executable and save it in a file, then search for the failed instruction (in this case, the failed opcode is 98080000).
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