[Xen-devel] Structs of registers in Xen code

[Mina Jafari <ai.minajafari@xxxxxxxxx>]

Hi,

I want to read contents of cpu registers of domUs for example their control registers,and also their tss (task) structs and ... can you give me a hint how should I start?I go through the code and I noticed structs like cpu_user_regs,and also some functions like show_registers and some files like xenctx.c and I became confused!

can I simply read registers from cpu_user_regs and be sure in moment of reading its contents are related to domu x (for example),I mean when domu x invoke a hypercall that is declared to do so,I can be sure that contents of this struct is exactly of domu x not any other domu,or I should check something else too?!

it would be a big help if you answer these questions.

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