Processor Control Region
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 contains information such as CPU step and a pointer to the thread object of the current thread.
References
- http://www.nirsoft.net/kernel_struct/vista/KPCR.html
- http://www.nirsoft.net/kernel_struct/vista/KPRCB.html
See also
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