1 /*
2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "defs.h"
29
30 #include DEF_MPERS_TYPE(timespec_t)
31
32 typedef struct timespec timespec_t;
33
34 #include MPERS_DEFS
35
36 #ifndef UTIME_NOW
37 # define UTIME_NOW ((1l << 30) - 1l)
38 #endif
39 #ifndef UTIME_OMIT
40 # define UTIME_OMIT ((1l << 30) - 2l)
41 #endif
42
43 static const char timespec_fmt[] = "{tv_sec=%jd, tv_nsec=%jd}";
44
45 static void
print_timespec_t(const timespec_t * t)46 print_timespec_t(const timespec_t *t)
47 {
48 tprintf(timespec_fmt, (intmax_t) t->tv_sec, (intmax_t) t->tv_nsec);
49 }
50
51 static void
print_timespec_t_utime(const timespec_t * t)52 print_timespec_t_utime(const timespec_t *t)
53 {
54 switch (t->tv_nsec) {
55 case UTIME_NOW:
56 tprints("UTIME_NOW");
57 break;
58 case UTIME_OMIT:
59 tprints("UTIME_OMIT");
60 break;
61 default:
62 print_timespec_t(t);
63 break;
64 }
65 }
66
MPERS_PRINTER_DECL(void,print_timespec,struct tcb * const tcp,const kernel_ulong_t addr)67 MPERS_PRINTER_DECL(void, print_timespec,
68 struct tcb *const tcp, const kernel_ulong_t addr)
69 {
70 timespec_t t;
71
72 if (umove_or_printaddr(tcp, addr, &t))
73 return;
74
75 print_timespec_t(&t);
76 }
77
MPERS_PRINTER_DECL(const char *,sprint_timespec,struct tcb * const tcp,const kernel_ulong_t addr)78 MPERS_PRINTER_DECL(const char *, sprint_timespec,
79 struct tcb *const tcp, const kernel_ulong_t addr)
80 {
81 timespec_t t;
82 static char buf[sizeof(timespec_fmt) + 3 * sizeof(t)];
83
84 if (!addr) {
85 strcpy(buf, "NULL");
86 } else if (!verbose(tcp) || (exiting(tcp) && syserror(tcp)) ||
87 umove(tcp, addr, &t)) {
88 snprintf(buf, sizeof(buf), "%#" PRI_klx, addr);
89 } else {
90 snprintf(buf, sizeof(buf), timespec_fmt,
91 (intmax_t) t.tv_sec, (intmax_t) t.tv_nsec);
92 }
93
94 return buf;
95 }
96
MPERS_PRINTER_DECL(void,print_timespec_utime_pair,struct tcb * const tcp,const kernel_ulong_t addr)97 MPERS_PRINTER_DECL(void, print_timespec_utime_pair,
98 struct tcb *const tcp, const kernel_ulong_t addr)
99 {
100 timespec_t t[2];
101
102 if (umove_or_printaddr(tcp, addr, &t))
103 return;
104
105 tprints("[");
106 print_timespec_t_utime(&t[0]);
107 tprints(", ");
108 print_timespec_t_utime(&t[1]);
109 tprints("]");
110 }
111
MPERS_PRINTER_DECL(void,print_itimerspec,struct tcb * const tcp,const kernel_ulong_t addr)112 MPERS_PRINTER_DECL(void, print_itimerspec,
113 struct tcb *const tcp, const kernel_ulong_t addr)
114 {
115 timespec_t t[2];
116
117 if (umove_or_printaddr(tcp, addr, &t))
118 return;
119
120 tprints("{it_interval=");
121 print_timespec_t(&t[0]);
122 tprints(", it_value=");
123 print_timespec_t(&t[1]);
124 tprints("}");
125 }
126