#pragma once #include typedef struct SysexitRegs SysexitRegs; struct SysexitRegs { UserRegs u; char sse[512]; }; _Static_assert(sizeof(SysexitRegs) == 18 * 8 + 512); extern SysexitRegs _sysexit_regs; _Noreturn void sysenter_stage2(void); _Noreturn void _sysexit_real(void);