Returns, by reference, the current architectural x86 floating point and SIMD state of a vCPU.
- macOS 10.10+
The ID of the vCPU.
On return, this argument is populated with a pointer to the resulting memory buffer.
The size of the memory buffer, in bytes.
Structure and size are defined by the XSAVE feature set of the host processor. This function must be called by the owning thread.