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 #include <sys/times.h>
34 #include <linux/kernel.h>
35 
36 #include "xlat/resources.h"
37 
38 static const char *
sprint_rlim64(uint64_t lim)39 sprint_rlim64(uint64_t lim)
40 {
41 	static char buf[sizeof(uint64_t)*3 + sizeof("*1024")];
42 
43 	if (lim == UINT64_MAX)
44 		return "RLIM64_INFINITY";
45 
46 	if (lim > 1024 && lim % 1024 == 0)
47 		sprintf(buf, "%" PRIu64 "*1024", lim / 1024);
48 	else
49 		sprintf(buf, "%" PRIu64, lim);
50 	return buf;
51 }
52 
53 static void
print_rlimit64(struct tcb * tcp,unsigned long addr)54 print_rlimit64(struct tcb *tcp, unsigned long addr)
55 {
56 	struct rlimit_64 {
57 		uint64_t rlim_cur;
58 		uint64_t rlim_max;
59 	} rlim;
60 
61 	if (umove(tcp, addr, &rlim) < 0)
62 		tprintf("%#lx", addr);
63 	else {
64 		tprintf("{rlim_cur=%s,", sprint_rlim64(rlim.rlim_cur));
65 		tprintf(" rlim_max=%s}", sprint_rlim64(rlim.rlim_max));
66 	}
67 }
68 
69 static void
decode_rlimit64(struct tcb * tcp,unsigned long addr)70 decode_rlimit64(struct tcb *tcp, unsigned long addr)
71 {
72 	if (!addr)
73 		tprints("NULL");
74 	else if (!verbose(tcp) ||
75 		 (exiting(tcp) && syserror(tcp)))
76 		tprintf("%#lx", addr);
77 	else
78 		print_rlimit64(tcp, addr);
79 }
80 
81 #if !defined(current_wordsize) || current_wordsize == 4
82 
83 static const char *
sprint_rlim32(uint32_t lim)84 sprint_rlim32(uint32_t lim)
85 {
86 	static char buf[sizeof(uint32_t)*3 + sizeof("*1024")];
87 
88 	if (lim == UINT32_MAX)
89 		return "RLIM_INFINITY";
90 
91 	if (lim > 1024 && lim % 1024 == 0)
92 		sprintf(buf, "%" PRIu32 "*1024", lim / 1024);
93 	else
94 		sprintf(buf, "%" PRIu32, lim);
95 	return buf;
96 }
97 
98 static void
print_rlimit32(struct tcb * tcp,unsigned long addr)99 print_rlimit32(struct tcb *tcp, unsigned long addr)
100 {
101 	struct rlimit_32 {
102 		uint32_t rlim_cur;
103 		uint32_t rlim_max;
104 	} rlim;
105 
106 	if (umove(tcp, addr, &rlim) < 0)
107 		tprintf("%#lx", addr);
108 	else {
109 		tprintf("{rlim_cur=%s,", sprint_rlim32(rlim.rlim_cur));
110 		tprintf(" rlim_max=%s}", sprint_rlim32(rlim.rlim_max));
111 	}
112 }
113 
114 static void
decode_rlimit(struct tcb * tcp,unsigned long addr)115 decode_rlimit(struct tcb *tcp, unsigned long addr)
116 {
117 	if (!addr)
118 		tprints("NULL");
119 	else if (!verbose(tcp) || (exiting(tcp) && syserror(tcp)))
120 		tprintf("%#lx", addr);
121 	else {
122 # if defined(X86_64) || defined(X32)
123 		/*
124 		 * i386 is the only personality on X86_64 and X32
125 		 * with 32-bit rlim_t.
126 		 * When current_personality is X32, current_wordsize
127 		 * equals to 4 but rlim_t is 64-bit.
128 		 */
129 		if (current_personality == 1)
130 # else
131 		if (current_wordsize == 4)
132 # endif
133 			print_rlimit32(tcp, addr);
134 		else
135 			print_rlimit64(tcp, addr);
136 	}
137 }
138 
139 #else /* defined(current_wordsize) && current_wordsize != 4 */
140 
141 # define decode_rlimit decode_rlimit64
142 
143 #endif
144 
SYS_FUNC(getrlimit)145 SYS_FUNC(getrlimit)
146 {
147 	if (entering(tcp)) {
148 		printxval(resources, tcp->u_arg[0], "RLIMIT_???");
149 		tprints(", ");
150 	}
151 	else {
152 		decode_rlimit(tcp, tcp->u_arg[1]);
153 	}
154 	return 0;
155 }
156 
SYS_FUNC(setrlimit)157 SYS_FUNC(setrlimit)
158 {
159 	if (entering(tcp)) {
160 		printxval(resources, tcp->u_arg[0], "RLIMIT_???");
161 		tprints(", ");
162 		decode_rlimit(tcp, tcp->u_arg[1]);
163 	}
164 	return 0;
165 }
166 
SYS_FUNC(prlimit64)167 SYS_FUNC(prlimit64)
168 {
169 	if (entering(tcp)) {
170 		tprintf("%ld, ", tcp->u_arg[0]);
171 		printxval(resources, tcp->u_arg[1], "RLIMIT_???");
172 		tprints(", ");
173 		decode_rlimit64(tcp, tcp->u_arg[2]);
174 		tprints(", ");
175 	} else {
176 		decode_rlimit64(tcp, tcp->u_arg[3]);
177 	}
178 	return 0;
179 }
180 
181 #include "xlat/usagewho.h"
182 
183 #ifdef ALPHA
184 void
printrusage32(struct tcb * tcp,long addr)185 printrusage32(struct tcb *tcp, long addr)
186 {
187 	struct timeval32 {
188 		unsigned tv_sec;
189 		unsigned tv_usec;
190 	};
191 	struct rusage32 {
192 		struct timeval32 ru_utime;	/* user time used */
193 		struct timeval32 ru_stime;	/* system time used */
194 		long	ru_maxrss;		/* maximum resident set size */
195 		long	ru_ixrss;		/* integral shared memory size */
196 		long	ru_idrss;		/* integral unshared data size */
197 		long	ru_isrss;		/* integral unshared stack size */
198 		long	ru_minflt;		/* page reclaims */
199 		long	ru_majflt;		/* page faults */
200 		long	ru_nswap;		/* swaps */
201 		long	ru_inblock;		/* block input operations */
202 		long	ru_oublock;		/* block output operations */
203 		long	ru_msgsnd;		/* messages sent */
204 		long	ru_msgrcv;		/* messages received */
205 		long	ru_nsignals;		/* signals received */
206 		long	ru_nvcsw;		/* voluntary context switches */
207 		long	ru_nivcsw;		/* involuntary " */
208 	} ru;
209 
210 	if (!addr)
211 		tprints("NULL");
212 	else if (syserror(tcp) || !verbose(tcp))
213 		tprintf("%#lx", addr);
214 	else if (umove(tcp, addr, &ru) < 0)
215 		tprints("{...}");
216 	else if (!abbrev(tcp)) {
217 		tprintf("{ru_utime={%lu, %lu}, ru_stime={%lu, %lu}, ",
218 			(long) ru.ru_utime.tv_sec, (long) ru.ru_utime.tv_usec,
219 			(long) ru.ru_stime.tv_sec, (long) ru.ru_stime.tv_usec);
220 		tprintf("ru_maxrss=%lu, ru_ixrss=%lu, ",
221 			ru.ru_maxrss, ru.ru_ixrss);
222 		tprintf("ru_idrss=%lu, ru_isrss=%lu, ",
223 			ru.ru_idrss, ru.ru_isrss);
224 		tprintf("ru_minflt=%lu, ru_majflt=%lu, ru_nswap=%lu, ",
225 			ru.ru_minflt, ru.ru_majflt, ru.ru_nswap);
226 		tprintf("ru_inblock=%lu, ru_oublock=%lu, ",
227 			ru.ru_inblock, ru.ru_oublock);
228 		tprintf("ru_msgsnd=%lu, ru_msgrcv=%lu, ",
229 			ru.ru_msgsnd, ru.ru_msgrcv);
230 		tprintf("ru_nsignals=%lu, ru_nvcsw=%lu, ru_nivcsw=%lu}",
231 			ru.ru_nsignals, ru.ru_nvcsw, ru.ru_nivcsw);
232 	}
233 	else {
234 		tprintf("{ru_utime={%lu, %lu}, ru_stime={%lu, %lu}, ...}",
235 			(long) ru.ru_utime.tv_sec, (long) ru.ru_utime.tv_usec,
236 			(long) ru.ru_stime.tv_sec, (long) ru.ru_stime.tv_usec);
237 	}
238 }
239 #endif
240 
241 void
printrusage(struct tcb * tcp,long addr)242 printrusage(struct tcb *tcp, long addr)
243 {
244 	struct rusage ru;
245 
246 	if (!addr)
247 		tprints("NULL");
248 	else if (syserror(tcp) || !verbose(tcp))
249 		tprintf("%#lx", addr);
250 	else if (umove(tcp, addr, &ru) < 0)
251 		tprints("{...}");
252 	else if (!abbrev(tcp)) {
253 		tprintf("{ru_utime={%lu, %lu}, ru_stime={%lu, %lu}, ",
254 			(long) ru.ru_utime.tv_sec, (long) ru.ru_utime.tv_usec,
255 			(long) ru.ru_stime.tv_sec, (long) ru.ru_stime.tv_usec);
256 		tprintf("ru_maxrss=%lu, ru_ixrss=%lu, ",
257 			ru.ru_maxrss, ru.ru_ixrss);
258 		tprintf("ru_idrss=%lu, ru_isrss=%lu, ",
259 			ru.ru_idrss, ru.ru_isrss);
260 		tprintf("ru_minflt=%lu, ru_majflt=%lu, ru_nswap=%lu, ",
261 			ru.ru_minflt, ru.ru_majflt, ru.ru_nswap);
262 		tprintf("ru_inblock=%lu, ru_oublock=%lu, ",
263 			ru.ru_inblock, ru.ru_oublock);
264 		tprintf("ru_msgsnd=%lu, ru_msgrcv=%lu, ",
265 			ru.ru_msgsnd, ru.ru_msgrcv);
266 		tprintf("ru_nsignals=%lu, ru_nvcsw=%lu, ru_nivcsw=%lu}",
267 			ru.ru_nsignals, ru.ru_nvcsw, ru.ru_nivcsw);
268 	}
269 	else {
270 		tprintf("{ru_utime={%lu, %lu}, ru_stime={%lu, %lu}, ...}",
271 			(long) ru.ru_utime.tv_sec, (long) ru.ru_utime.tv_usec,
272 			(long) ru.ru_stime.tv_sec, (long) ru.ru_stime.tv_usec);
273 	}
274 }
275 
SYS_FUNC(getrusage)276 SYS_FUNC(getrusage)
277 {
278 	if (entering(tcp)) {
279 		printxval(usagewho, tcp->u_arg[0], "RUSAGE_???");
280 		tprints(", ");
281 	}
282 	else
283 		printrusage(tcp, tcp->u_arg[1]);
284 	return 0;
285 }
286 
287 #ifdef ALPHA
SYS_FUNC(osf_getrusage)288 SYS_FUNC(osf_getrusage)
289 {
290 	if (entering(tcp)) {
291 		printxval(usagewho, tcp->u_arg[0], "RUSAGE_???");
292 		tprints(", ");
293 	}
294 	else
295 		printrusage32(tcp, tcp->u_arg[1]);
296 	return 0;
297 }
298 #endif /* ALPHA */
299 
300 #include "xlat/priorities.h"
301 
SYS_FUNC(getpriority)302 SYS_FUNC(getpriority)
303 {
304 	if (entering(tcp)) {
305 		printxval(priorities, tcp->u_arg[0], "PRIO_???");
306 		tprintf(", %lu", tcp->u_arg[1]);
307 	}
308 	return 0;
309 }
310 
SYS_FUNC(setpriority)311 SYS_FUNC(setpriority)
312 {
313 	if (entering(tcp)) {
314 		printxval(priorities, tcp->u_arg[0], "PRIO_???");
315 		tprintf(", %lu, %ld", tcp->u_arg[1], tcp->u_arg[2]);
316 	}
317 	return 0;
318 }
319 
SYS_FUNC(times)320 SYS_FUNC(times)
321 {
322 	struct tms tbuf;
323 
324 	if (exiting(tcp)) {
325 		if (tcp->u_arg[0] == 0)
326 			tprints("NULL");
327 		else if (syserror(tcp))
328 			tprintf("%#lx", tcp->u_arg[0]);
329 		else if (umove(tcp, tcp->u_arg[0], &tbuf) < 0)
330 			tprints("{...}");
331 		else {
332 			tprintf("{tms_utime=%llu, tms_stime=%llu, ",
333 				(unsigned long long) tbuf.tms_utime,
334 				(unsigned long long) tbuf.tms_stime);
335 			tprintf("tms_cutime=%llu, tms_cstime=%llu}",
336 				(unsigned long long) tbuf.tms_cutime,
337 				(unsigned long long) tbuf.tms_cstime);
338 		}
339 	}
340 	return 0;
341 }
342