what's 1f

lanhxg 2014-02-23 10:03:48

> A line from linux source is:
>
> movl $1f, %1 /*Save EIP*/
>
> May anyone explain me how this instruction saves
> EIP? (%1 is the structure member holding eip). My
> doubt is, what is this $1f and how it copies eip to
> %1.

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lanhxg 2014-02-23

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谢谢！大牛啊~~~~~

小人物一样开心 2014-02-23

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$1f is the address of the 1 label. The f specifies to look for the first label named 1 in the forward direction

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