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Difference between revisions of "DEP"
From NetSec
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| − | <b>D</b>ata <b>E</b>xecution <b>P</b>revention is a hardware-layer feature provided by modern [[processor]]s. On Intel CPU's, this is called the '''NX bit''', and on AMD CPU's, this is called the '''XD bit'''. | + | <b>D</b>ata <b>E</b>xecution <b>P</b>revention is a hardware-layer feature provided by modern [[processor]]s. On Intel CPU's, this is called the '''NX bit''', and on AMD CPU's, this is called the '''XD bit'''. These bits provide the [[assembly]] instructions '''jno''' and '''jo''', ''jump if no overflow'' and ''jump if overflow'', respectively. |
Revision as of 03:39, 19 November 2012
Data Execution Prevention is a hardware-layer feature provided by modern processors. On Intel CPU's, this is called the NX bit, and on AMD CPU's, this is called the XD bit. These bits provide the assembly instructions jno and jo, jump if no overflow and jump if overflow, respectively.
