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Processor Control Region

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Processor Control Region (PCR) is a Windows kernel mode data structure that contains information about the current processor. It can be accessed via the fs segment register.

Structure

In C and C++, the PCR is known as KPCR. It contains information about the current processor.

Processor Control Block

The PCR contains a substructure called Processor Control Block (KPRCB), which contain information such CPU step and pointer to the thread object of current thread.

References

See also

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