X86: Add a structure to allow mapping between the host and guest fstat formats.
X86: Add a structure to allow mapping between the host and guest fstat formats.

andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin