strace/print_timespec.c

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/*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2016-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "defs.h"
#include DEF_MPERS_TYPE(timespec_t)
typedef struct timespec timespec_t;
#include MPERS_DEFS
#include "xstring.h"
#ifndef UTIME_NOW
# define UTIME_NOW ((1l << 30) - 1l)
#endif
#ifndef UTIME_OMIT
# define UTIME_OMIT ((1l << 30) - 2l)
#endif
Print microseconds/nanoseconds as non-negative Negative micro/nanoseconds values are treated as invalid by kernel anyway, and in one case (timespec_valid in include/linux/time.h) it is even checked by conversion to unsigned long. * print_timespec.c (timespec_fmt): Change tv_sec format to %lld and tv_nsec format to %llu. (print_timespec_t): Cast tv_sec to long long and process tv_nsec with zero_extend_signed_to_ull. (sprint_timespec): Likewise. * print_timeval.c (timeval_fmt): Change tv_sec format to %lld and tv_usec format to %llu. (print_timeval_t): Cast tv_sec to long long and process tv_nsec with zero_extend_signed_to_ull. (sprint_timeval, print_timeval32_t, sprint_timeval32): Likewise. * defs.h (TIMESPEC_TEXT_BUFSIZE): Update. * tests/adjtimex.c (main): Change tv_sec printing format to %lld, cast it to long long; change tv_usec printing format to %llu, process it with zero_extend_signed_to_ull. * tests/clock_nanosleep.c (main): Change tv_sec printing format to %lld, cast it to long long; change tv_nsec printing format to %llu, process it with zero_extend_signed_to_ull. * tests/clock_xettime.c (main): Likewise. * tests/futex.c (main): Likewise. * tests/futimesat.c (print_tv): Likewise. * tests/getrusage.c (invoke_print): Likewise. * tests/mq_sendrecv.c (do_send, do_recv, main): Likewise. * tests/nanosleep.c (main): Likewise. * tests/pselect6.c (main): Likewise. * tests/restart_syscall.c (main): Likewise. * tests/rt_sigtimedwait.c (iterate, main): Likewise. * tests/sched_rr_get_interval.c (main): Likewise. * tests/semop.c (main): Likewise. * tests/timer_xettime.c (main): Likewise. * tests/timerfd_xettime.c (main): Likewise. * tests/waitid.c (main): Likewise. * tests/xetitimer.c (main): Likewise. * tests/xettimeofday.c (main): Likewise. * tests/xselect.c (main): Likewise. * tests/xutimes.c (print_tv): Likewise. * tests/wait4.c (sprint_rusage): Likewise. * tests/waitid.c (sprint_rusage): Likewise. * tests/utimensat.c (print_ts): Likewise. (main): Add check for higher bits of tv_sec/tv_nsec. Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
2017-04-23 06:57:03 +03:00
static const char timespec_fmt[] = "{tv_sec=%lld, tv_nsec=%llu}";
static void
print_timespec_t(const timespec_t *t)
{
Print microseconds/nanoseconds as non-negative Negative micro/nanoseconds values are treated as invalid by kernel anyway, and in one case (timespec_valid in include/linux/time.h) it is even checked by conversion to unsigned long. * print_timespec.c (timespec_fmt): Change tv_sec format to %lld and tv_nsec format to %llu. (print_timespec_t): Cast tv_sec to long long and process tv_nsec with zero_extend_signed_to_ull. (sprint_timespec): Likewise. * print_timeval.c (timeval_fmt): Change tv_sec format to %lld and tv_usec format to %llu. (print_timeval_t): Cast tv_sec to long long and process tv_nsec with zero_extend_signed_to_ull. (sprint_timeval, print_timeval32_t, sprint_timeval32): Likewise. * defs.h (TIMESPEC_TEXT_BUFSIZE): Update. * tests/adjtimex.c (main): Change tv_sec printing format to %lld, cast it to long long; change tv_usec printing format to %llu, process it with zero_extend_signed_to_ull. * tests/clock_nanosleep.c (main): Change tv_sec printing format to %lld, cast it to long long; change tv_nsec printing format to %llu, process it with zero_extend_signed_to_ull. * tests/clock_xettime.c (main): Likewise. * tests/futex.c (main): Likewise. * tests/futimesat.c (print_tv): Likewise. * tests/getrusage.c (invoke_print): Likewise. * tests/mq_sendrecv.c (do_send, do_recv, main): Likewise. * tests/nanosleep.c (main): Likewise. * tests/pselect6.c (main): Likewise. * tests/restart_syscall.c (main): Likewise. * tests/rt_sigtimedwait.c (iterate, main): Likewise. * tests/sched_rr_get_interval.c (main): Likewise. * tests/semop.c (main): Likewise. * tests/timer_xettime.c (main): Likewise. * tests/timerfd_xettime.c (main): Likewise. * tests/waitid.c (main): Likewise. * tests/xetitimer.c (main): Likewise. * tests/xettimeofday.c (main): Likewise. * tests/xselect.c (main): Likewise. * tests/xutimes.c (print_tv): Likewise. * tests/wait4.c (sprint_rusage): Likewise. * tests/waitid.c (sprint_rusage): Likewise. * tests/utimensat.c (print_ts): Likewise. (main): Add check for higher bits of tv_sec/tv_nsec. Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
2017-04-23 06:57:03 +03:00
tprintf(timespec_fmt, (long long) t->tv_sec,
zero_extend_signed_to_ull(t->tv_nsec));
}
static void
print_timespec_t_utime(const timespec_t *t)
{
switch (t->tv_nsec) {
case UTIME_NOW:
case UTIME_OMIT:
if (xlat_verbose(xlat_verbosity) != XLAT_STYLE_ABBREV)
print_timespec_t(t);
if (xlat_verbose(xlat_verbosity) == XLAT_STYLE_RAW)
break;
(xlat_verbose(xlat_verbosity) == XLAT_STYLE_VERBOSE
? tprints_comment : tprints)(t->tv_nsec == UTIME_NOW
? "UTIME_NOW" : "UTIME_OMIT");
break;
default:
print_timespec_t(t);
tprints_comment(sprinttime_nsec(t->tv_sec,
zero_extend_signed_to_ull(t->tv_nsec)));
break;
}
}
MPERS_PRINTER_DECL(bool, print_struct_timespec_data_size,
const void *arg, const size_t size)
{
if (size < sizeof(timespec_t)) {
tprints("?");
return false;
}
print_timespec_t(arg);
return true;
}
MPERS_PRINTER_DECL(bool, print_struct_timespec_array_data_size,
const void *arg, const unsigned int nmemb,
const size_t size)
{
const timespec_t *ts = arg;
unsigned int i;
if (nmemb > size / sizeof(timespec_t)) {
tprints("?");
return false;
}
tprints("[");
for (i = 0; i < nmemb; i++) {
if (i)
tprints(", ");
print_timespec_t(&ts[i]);
}
tprints("]");
return true;
}
MPERS_PRINTER_DECL(void, print_timespec,
struct tcb *const tcp, const kernel_ulong_t addr)
{
timespec_t t;
if (umove_or_printaddr(tcp, addr, &t))
return;
print_timespec_t(&t);
}
MPERS_PRINTER_DECL(const char *, sprint_timespec,
struct tcb *const tcp, const kernel_ulong_t addr)
{
timespec_t t;
static char buf[sizeof(timespec_fmt) + 3 * sizeof(t)];
if (!addr) {
strcpy(buf, "NULL");
} else if (!verbose(tcp) || (exiting(tcp) && syserror(tcp)) ||
umove(tcp, addr, &t)) {
xsprintf(buf, "%#" PRI_klx, addr);
} else {
xsprintf(buf, timespec_fmt,
Print microseconds/nanoseconds as non-negative Negative micro/nanoseconds values are treated as invalid by kernel anyway, and in one case (timespec_valid in include/linux/time.h) it is even checked by conversion to unsigned long. * print_timespec.c (timespec_fmt): Change tv_sec format to %lld and tv_nsec format to %llu. (print_timespec_t): Cast tv_sec to long long and process tv_nsec with zero_extend_signed_to_ull. (sprint_timespec): Likewise. * print_timeval.c (timeval_fmt): Change tv_sec format to %lld and tv_usec format to %llu. (print_timeval_t): Cast tv_sec to long long and process tv_nsec with zero_extend_signed_to_ull. (sprint_timeval, print_timeval32_t, sprint_timeval32): Likewise. * defs.h (TIMESPEC_TEXT_BUFSIZE): Update. * tests/adjtimex.c (main): Change tv_sec printing format to %lld, cast it to long long; change tv_usec printing format to %llu, process it with zero_extend_signed_to_ull. * tests/clock_nanosleep.c (main): Change tv_sec printing format to %lld, cast it to long long; change tv_nsec printing format to %llu, process it with zero_extend_signed_to_ull. * tests/clock_xettime.c (main): Likewise. * tests/futex.c (main): Likewise. * tests/futimesat.c (print_tv): Likewise. * tests/getrusage.c (invoke_print): Likewise. * tests/mq_sendrecv.c (do_send, do_recv, main): Likewise. * tests/nanosleep.c (main): Likewise. * tests/pselect6.c (main): Likewise. * tests/restart_syscall.c (main): Likewise. * tests/rt_sigtimedwait.c (iterate, main): Likewise. * tests/sched_rr_get_interval.c (main): Likewise. * tests/semop.c (main): Likewise. * tests/timer_xettime.c (main): Likewise. * tests/timerfd_xettime.c (main): Likewise. * tests/waitid.c (main): Likewise. * tests/xetitimer.c (main): Likewise. * tests/xettimeofday.c (main): Likewise. * tests/xselect.c (main): Likewise. * tests/xutimes.c (print_tv): Likewise. * tests/wait4.c (sprint_rusage): Likewise. * tests/waitid.c (sprint_rusage): Likewise. * tests/utimensat.c (print_ts): Likewise. (main): Add check for higher bits of tv_sec/tv_nsec. Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
2017-04-23 06:57:03 +03:00
(long long) t.tv_sec,
zero_extend_signed_to_ull(t.tv_nsec));
}
return buf;
}
MPERS_PRINTER_DECL(void, print_timespec_utime_pair,
struct tcb *const tcp, const kernel_ulong_t addr)
{
timespec_t t[2];
if (umove_or_printaddr(tcp, addr, &t))
return;
tprints("[");
print_timespec_t_utime(&t[0]);
tprints(", ");
print_timespec_t_utime(&t[1]);
tprints("]");
}
MPERS_PRINTER_DECL(void, print_itimerspec,
struct tcb *const tcp, const kernel_ulong_t addr)
{
timespec_t t[2];
if (umove_or_printaddr(tcp, addr, &t))
return;
tprints("{it_interval=");
print_timespec_t(&t[0]);
tprints(", it_value=");
print_timespec_t(&t[1]);
tprints("}");
}