__HYPERCALL_ARG5REG 103 include/asm-x86/xen/hypercall.h register unsigned long __arg5 asm(__HYPERCALL_ARG5REG) = __arg5; __HYPERCALL_ARG5REG 125 include/asm-x86/xen/hypercall.h #define __HYPERCALL_CLOBBER4 __HYPERCALL_CLOBBER5, __HYPERCALL_ARG5REG