union _KERNEL_SHADOW_STACK_LIMIT// Size=0x8
{
    unsigned long long AllFields;// Offset=0x0 Size=0x8
    unsigned long long ShadowStackType:3;// Offset=0x0 Size=0x8 BitOffset=0x0 BitSize=0x3
    unsigned long long Unused:9;// Offset=0x0 Size=0x8 BitOffset=0x3 BitSize=0x9
    unsigned long long ShadowStackLimitPfn:52;// Offset=0x0 Size=0x8 BitOffset=0xc BitSize=0x34
};