1 /* 2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk (at) cs.few.eur.nl> 3 * Copyright (c) 1993 Branko Lankester <branko (at) hacktic.nl> 4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs (at) world.std.com> 5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert (at) 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 * 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 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 * 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 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 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 116 117 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 } 128 129 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 } 137 138 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" 153 154 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 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" 179 180 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 } 187 188 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
