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#ifndef __X86_REGS_H__
#define __X86_REGS_H__
#include <asm/x86_64/regs.h>
#define guest_mode(r) \
({ \
unsigned long diff = (char *)guest_cpu_user_regs() - (char *)(r); \
/* Frame pointer must point into current CPU stack. */ \
ASSERT(diff < STACK_SIZE); \
/* If not a guest frame, it must be a hypervisor frame. */ \
ASSERT((diff == 0) || (!vm86_mode(r) && (r->cs == __HYPERVISOR_CS))); \
/* Return TRUE if it's a guest frame. */ \
(diff == 0); \
})
#define return_reg(v) ((v)->arch.user_regs.eax)
#endif /* __X86_REGS_H__ */
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