1 /*
2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3 * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "defs.h"
32 #include <sys/resource.h>
33
34 #include "xlat/resources.h"
35
36 static const char *
sprint_rlim64(uint64_t lim)37 sprint_rlim64(uint64_t lim)
38 {
39 static char buf[sizeof(uint64_t)*3 + sizeof("*1024")];
40
41 if (lim == UINT64_MAX)
42 return "RLIM64_INFINITY";
43
44 if (lim > 1024 && lim % 1024 == 0)
45 sprintf(buf, "%" PRIu64 "*1024", lim / 1024);
46 else
47 sprintf(buf, "%" PRIu64, lim);
48 return buf;
49 }
50
51 static void
print_rlimit64(struct tcb * const tcp,const kernel_ulong_t addr)52 print_rlimit64(struct tcb *const tcp, const kernel_ulong_t addr)
53 {
54 struct rlimit_64 {
55 uint64_t rlim_cur;
56 uint64_t rlim_max;
57 } rlim;
58
59 if (!umove_or_printaddr(tcp, addr, &rlim)) {
60 tprintf("{rlim_cur=%s,", sprint_rlim64(rlim.rlim_cur));
61 tprintf(" rlim_max=%s}", sprint_rlim64(rlim.rlim_max));
62 }
63 }
64
65 #if !defined(current_wordsize) || current_wordsize == 4
66
67 static const char *
sprint_rlim32(uint32_t lim)68 sprint_rlim32(uint32_t lim)
69 {
70 static char buf[sizeof(uint32_t)*3 + sizeof("*1024")];
71
72 if (lim == UINT32_MAX)
73 return "RLIM_INFINITY";
74
75 if (lim > 1024 && lim % 1024 == 0)
76 sprintf(buf, "%" PRIu32 "*1024", lim / 1024);
77 else
78 sprintf(buf, "%" PRIu32, lim);
79 return buf;
80 }
81
82 static void
print_rlimit32(struct tcb * const tcp,const kernel_ulong_t addr)83 print_rlimit32(struct tcb *const tcp, const kernel_ulong_t addr)
84 {
85 struct rlimit_32 {
86 uint32_t rlim_cur;
87 uint32_t rlim_max;
88 } rlim;
89
90 if (!umove_or_printaddr(tcp, addr, &rlim)) {
91 tprintf("{rlim_cur=%s,", sprint_rlim32(rlim.rlim_cur));
92 tprintf(" rlim_max=%s}", sprint_rlim32(rlim.rlim_max));
93 }
94 }
95
96 static void
decode_rlimit(struct tcb * const tcp,const kernel_ulong_t addr)97 decode_rlimit(struct tcb *const tcp, const kernel_ulong_t addr)
98 {
99 /*
100 * i386 is the only personality on X86_64 and X32
101 * with 32-bit rlim_t.
102 * When current_personality is X32, current_wordsize
103 * equals to 4 but rlim_t is 64-bit.
104 */
105 if (current_klongsize == 4)
106 print_rlimit32(tcp, addr);
107 else
108 print_rlimit64(tcp, addr);
109 }
110
111 #else /* defined(current_wordsize) && current_wordsize != 4 */
112
113 # define decode_rlimit print_rlimit64
114
115 #endif
116
SYS_FUNC(getrlimit)117 SYS_FUNC(getrlimit)
118 {
119 if (entering(tcp)) {
120 printxval(resources, tcp->u_arg[0], "RLIMIT_???");
121 tprints(", ");
122 }
123 else {
124 decode_rlimit(tcp, tcp->u_arg[1]);
125 }
126 return 0;
127 }
128
SYS_FUNC(setrlimit)129 SYS_FUNC(setrlimit)
130 {
131 printxval(resources, tcp->u_arg[0], "RLIMIT_???");
132 tprints(", ");
133 decode_rlimit(tcp, tcp->u_arg[1]);
134
135 return RVAL_DECODED;
136 }
137
SYS_FUNC(prlimit64)138 SYS_FUNC(prlimit64)
139 {
140 if (entering(tcp)) {
141 tprintf("%d, ", (int) tcp->u_arg[0]);
142 printxval(resources, tcp->u_arg[1], "RLIMIT_???");
143 tprints(", ");
144 print_rlimit64(tcp, tcp->u_arg[2]);
145 tprints(", ");
146 } else {
147 print_rlimit64(tcp, tcp->u_arg[3]);
148 }
149 return 0;
150 }
151
152 #include "xlat/usagewho.h"
153
SYS_FUNC(getrusage)154 SYS_FUNC(getrusage)
155 {
156 if (entering(tcp)) {
157 printxval(usagewho, tcp->u_arg[0], "RUSAGE_???");
158 tprints(", ");
159 }
160 else
161 printrusage(tcp, tcp->u_arg[1]);
162 return 0;
163 }
164
165 #ifdef ALPHA
SYS_FUNC(osf_getrusage)166 SYS_FUNC(osf_getrusage)
167 {
168 if (entering(tcp)) {
169 printxval(usagewho, tcp->u_arg[0], "RUSAGE_???");
170 tprints(", ");
171 }
172 else
173 printrusage32(tcp, tcp->u_arg[1]);
174 return 0;
175 }
176 #endif /* ALPHA */
177
178 #include "xlat/priorities.h"
179
SYS_FUNC(getpriority)180 SYS_FUNC(getpriority)
181 {
182 printxval(priorities, tcp->u_arg[0], "PRIO_???");
183 tprintf(", %d", (int) tcp->u_arg[1]);
184
185 return RVAL_DECODED;
186 }
187
SYS_FUNC(setpriority)188 SYS_FUNC(setpriority)
189 {
190 printxval(priorities, tcp->u_arg[0], "PRIO_???");
191 tprintf(", %d, %d", (int) tcp->u_arg[1], (int) tcp->u_arg[2]);
192
193 return RVAL_DECODED;
194 }
195