Use xsave / xrstor instructions to preserve the floating-point environment during context switches.
When a signal hits, the kernel captures the current CPU registers in an fpstate vso
Ask yourself these three questions to choose between a VSO and an FPSTATE attorney. Use xsave / xrstor instructions to preserve the
Change to mode and wire a numeric constant corresponding to the desired state. 3. Low-Level FPState Management (Linux vDSO) fpstate vso
Here’s a structured feature preparation outline for (likely referring to Floating-Point State Visual Studio Online / VS Online debugging or a similar concept).