2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
3 * Copyright (c) 2017-2018 The strace developers.
6 * SPDX-License-Identifier: GPL-2.0-or-later
10 #include <asm/unistd.h>
15 # include <sys/stat.h>
16 # include <sys/sysmacros.h>
25 const kernel_ulong_t magic = (kernel_ulong_t) 0xfacefeedffffffff;
26 unsigned long long buf[4];
31 TAIL_ALLOC_OBJECT_CONST_PTR(struct ustat, ust);
34 perror_msg_and_fail("stat");
36 dev = (unsigned int) st.st_dev;
37 rc = syscall(__NR_ustat, dev, ust);
39 printf("ustat(makedev(%#x, %#x), %p) = %s\n",
40 major(dev), minor(dev), ust, sprintrc(rc));
42 printf("ustat(makedev(%#x, %#x)"
43 ", {f_tfree=%llu, f_tinode=%llu}) = 0\n",
44 major(dev), minor(dev),
45 zero_extend_signed_to_ull(ust->f_tfree),
46 zero_extend_signed_to_ull(ust->f_tinode));
47 # endif /* HAVE_USTAT_H */
49 dev = (unsigned int) magic;
50 rc = syscall(__NR_ustat, magic, 0);
51 printf("ustat(makedev(%#x, %#x), NULL) = %s\n",
52 major(dev), minor(dev), sprintrc(rc));
54 rc = syscall(__NR_ustat, magic, buf);
55 printf("ustat(makedev(%#x, %#x), %p) = %s\n",
56 major(dev), minor(dev), buf, sprintrc(rc));
58 puts("+++ exited with 0 +++");
64 SKIP_MAIN_UNDEFINED("__NR_ustat")