movl %edx,%eax # eax <- transition code address\r
andl $0xf,%edx\r
shll $12,%eax # segment address in high order 16 bits\r
- lea (_BackFromUserCode - ASM_PFX(m16Start))(%rdx), %ax\r
+ lea (ASM_PFX(BackFromUserCode) - ASM_PFX(m16Start))(%rdx), %ax\r
stosl # [edi] <- return address of user code\r
sgdt 0x60(%rsp) # save GDT stack in argument space\r
movzwq 0x60(%rsp), %r10 # r10 <- GDT limit \r