X32_BIT 53 tools/testing/selftests/x86/syscall_numbering.c check_enosys(16 | X32_BIT, &ok); /* ioctl */ X32_BIT 54 tools/testing/selftests/x86/syscall_numbering.c check_enosys(19 | X32_BIT, &ok); /* readv */ X32_BIT 55 tools/testing/selftests/x86/syscall_numbering.c check_enosys(20 | X32_BIT, &ok); /* writev */ X32_BIT 62 tools/testing/selftests/x86/syscall_numbering.c check_enosys(X32_BIT | (1UL << 32), &ok); X32_BIT 78 tools/testing/selftests/x86/syscall_numbering.c if (syscall(39 | X32_BIT, 0, 0, 0, 0, 0, 0) >= 0) {