struct _KSTACK_CONTROL// Size=0x20
{
    unsigned long StackBase;// Offset=0x0 Size=0x4
    unsigned long ActualLimit;// Offset=0x4 Size=0x4
    unsigned long StackExpansion:1;// Offset=0x4 Size=0x4 BitOffset=0x0 BitSize=0x1
    struct _KTRAP_FRAME * PreviousTrapFrame;// Offset=0x8 Size=0x4
    void * PreviousExceptionList;// Offset=0xc Size=0x4
    struct _KERNEL_STACK_SEGMENT Previous;// Offset=0x10 Size=0x10
};