strace/ustat.c
JingPiao Chen 8b7be09c7b Implement decoding of ustat syscall
* configure.ac (AC_CHECK_HEADERS): Add ustat.h.
* ustat.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* linux/dummy.h: Remove sys_ustat.
* tests/ustat.c: New file.
* tests/ustat.test: New test.
* tests/.gitignore: Add ustat.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add ustat.test.
2017-01-20 18:30:11 +00:00

57 lines
2.1 KiB
C

/*
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "defs.h"
#ifdef HAVE_USTAT_H
# include DEF_MPERS_TYPE(struct_ustat)
# include <ustat.h>
typedef struct ustat struct_ustat;
#endif /* HAVE_USTAT_H */
#include MPERS_DEFS
SYS_FUNC(ustat)
{
if (entering(tcp))
print_dev_t((unsigned int) tcp->u_arg[0]);
else {
tprints(", ");
#ifdef HAVE_USTAT_H
struct_ustat ust;
if (!umove_or_printaddr(tcp, tcp->u_arg[1], &ust))
tprintf("{f_tfree=%llu, f_tinode=%llu}",
zero_extend_signed_to_ull(ust.f_tfree),
zero_extend_signed_to_ull(ust.f_tinode));
#else /* !HAVE_USTAT_H */
printaddr(tcp->u_arg[1]);
#endif /* HAVE_USTAT_H */
}
return 0;
}