__NR_gettimeofday 103 arch/x86/kernel/vsyscall_64.c : "0" (__NR_gettimeofday),"D" (tv),"S" (tz) __NR_gettimeofday 117 arch/x86/vdso/vclock_gettime.c "0" (__NR_gettimeofday), "D" (tv), "S" (tz) : "memory");