Symbol: __HYPERCALL_ARG4REG
arch/x86/include/asm/xen/hypercall.h
128
register unsigned long __arg4 asm(__HYPERCALL_ARG4REG) = __arg4; \
arch/x86/include/asm/xen/hypercall.h
152
#define __HYPERCALL_CLOBBER3 __HYPERCALL_CLOBBER4, __HYPERCALL_ARG4REG