structs              |  x86_32  x86_64    ia64

start_info           |    1104    1152    1152
trap_info            |       8      16       -
pt_fpreg             |       -       -      16
cpu_user_regs        |      68     200     496
xen_ia64_boot_param  |       -       -      96
ia64_tr_entry        |       -       -      32
vcpu_extra_regs      |       -       -     536
vcpu_guest_context   |    2800    5168    1056
arch_vcpu_info       |      24      16       0
vcpu_time_info       |      32      32      32
vcpu_info            |      64      64      48
arch_shared_info     |     268     280     272
shared_info          |    2584    3368    4384