Wichert Akkerman | 76baf7c | 1999-02-19 00:21:36 +0000 | [diff] [blame^] | 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 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. The name of the author may not be used to endorse or promote products |
| 16 | * derived from this software without specific prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | * |
| 29 | * $Id$ |
| 30 | */ |
| 31 | |
| 32 | #include "defs.h" |
| 33 | |
| 34 | #ifdef LINUXSPARC |
| 35 | #include <linux/mman.h> |
| 36 | #else |
| 37 | #include <sys/mman.h> |
| 38 | #endif |
| 39 | #if defined(LINUX) && defined(__i386__) |
| 40 | #include <asm/ldt.h> |
| 41 | #endif |
| 42 | |
| 43 | int |
| 44 | sys_brk(tcp) |
| 45 | struct tcb *tcp; |
| 46 | { |
| 47 | if (entering(tcp)) { |
| 48 | tprintf("%#lx", tcp->u_arg[0]); |
| 49 | } |
| 50 | #ifdef linux |
| 51 | return RVAL_HEX; |
| 52 | #else |
| 53 | return 0; |
| 54 | #endif |
| 55 | } |
| 56 | |
| 57 | int |
| 58 | sys_sbrk(tcp) |
| 59 | struct tcb *tcp; |
| 60 | { |
| 61 | if (entering(tcp)) { |
| 62 | tprintf("%lu", tcp->u_arg[0]); |
| 63 | } |
| 64 | return RVAL_HEX; |
| 65 | } |
| 66 | |
| 67 | static struct xlat mmap_prot[] = { |
| 68 | { PROT_NONE, "PROT_NONE", }, |
| 69 | { PROT_READ, "PROT_READ" }, |
| 70 | { PROT_WRITE, "PROT_WRITE" }, |
| 71 | { PROT_EXEC, "PROT_EXEC" }, |
| 72 | { 0, NULL }, |
| 73 | }; |
| 74 | |
| 75 | static struct xlat mmap_flags[] = { |
| 76 | { MAP_SHARED, "MAP_SHARED" }, |
| 77 | { MAP_PRIVATE, "MAP_PRIVATE" }, |
| 78 | { MAP_FIXED, "MAP_FIXED" }, |
| 79 | #ifdef MAP_ANONYMOUS |
| 80 | { MAP_ANONYMOUS,"MAP_ANONYMOUS" }, |
| 81 | #endif |
| 82 | #ifdef MAP_RENAME |
| 83 | { MAP_RENAME, "MAP_RENAME" }, |
| 84 | #endif |
| 85 | #ifdef MAP_NORESERVE |
| 86 | { MAP_NORESERVE,"MAP_NORESERVE" }, |
| 87 | #endif |
| 88 | #ifdef _MAP_NEW |
| 89 | { _MAP_NEW, "_MAP_NEW" }, |
| 90 | #endif |
| 91 | #ifdef MAP_GROWSDOWN |
| 92 | { MAP_GROWSDOWN,"MAP_GROWSDOWN" }, |
| 93 | #endif |
| 94 | #ifdef MAP_DENYWRITE |
| 95 | { MAP_DENYWRITE,"MAP_DENYWRITE" }, |
| 96 | #endif |
| 97 | #ifdef MAP_EXECUTABLE |
| 98 | { MAP_EXECUTABLE,"MAP_EXECUTABLE"}, |
| 99 | #endif |
| 100 | #ifdef MAP_FILE |
| 101 | { MAP_FILE,"MAP_FILE"}, |
| 102 | #endif |
| 103 | #ifdef MAP_LOCKED |
| 104 | { MAP_LOCKED,"MAP_LOCKED"}, |
| 105 | #endif |
| 106 | { 0, NULL }, |
| 107 | }; |
| 108 | |
| 109 | int |
| 110 | sys_mmap(tcp) |
| 111 | struct tcb *tcp; |
| 112 | { |
| 113 | #ifdef LINUX |
| 114 | #if defined(ALPHA) || defined(sparc) |
| 115 | long *u_arg = tcp->u_arg; |
| 116 | #else /* !ALPHA */ |
| 117 | long u_arg[6]; |
| 118 | #endif /* !ALPHA */ |
| 119 | #else /* !LINUX */ |
| 120 | long *u_arg = tcp->u_arg; |
| 121 | #endif /* !LINUX */ |
| 122 | |
| 123 | if (entering(tcp)) { |
| 124 | #ifdef LINUX |
| 125 | #if !defined(ALPHA) && !defined(__sparc__) |
| 126 | if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, |
| 127 | (char *) u_arg) == -1) |
| 128 | return 0; |
| 129 | #endif /* ALPHA/sparc */ |
| 130 | #endif /* LINUX */ |
| 131 | |
| 132 | /* addr */ |
| 133 | tprintf("%#lx, ", u_arg[0]); |
| 134 | /* len */ |
| 135 | tprintf("%lu, ", u_arg[1]); |
| 136 | /* prot */ |
| 137 | printflags(mmap_prot, u_arg[2]); |
| 138 | tprintf(", "); |
| 139 | /* flags */ |
| 140 | printxval(mmap_flags, u_arg[3] & MAP_TYPE, "MAP_???"); |
| 141 | addflags(mmap_flags, u_arg[3] & ~MAP_TYPE); |
| 142 | /* fd */ |
| 143 | tprintf(", %ld, ", u_arg[4]); |
| 144 | /* offset */ |
| 145 | tprintf("%#lx", u_arg[5]); |
| 146 | } |
| 147 | return RVAL_HEX; |
| 148 | } |
| 149 | |
| 150 | int |
| 151 | sys_munmap(tcp) |
| 152 | struct tcb *tcp; |
| 153 | { |
| 154 | if (entering(tcp)) { |
| 155 | tprintf("%#lx, %lu", |
| 156 | tcp->u_arg[0], tcp->u_arg[1]); |
| 157 | } |
| 158 | return 0; |
| 159 | } |
| 160 | |
| 161 | int |
| 162 | sys_mprotect(tcp) |
| 163 | struct tcb *tcp; |
| 164 | { |
| 165 | if (entering(tcp)) { |
| 166 | tprintf("%#lx, %lu, ", |
| 167 | tcp->u_arg[0], tcp->u_arg[1]); |
| 168 | if (!printflags(mmap_prot, tcp->u_arg[2])) |
| 169 | tprintf("PROT_???"); |
| 170 | } |
| 171 | return 0; |
| 172 | } |
| 173 | |
| 174 | #ifdef MS_ASYNC |
| 175 | |
| 176 | static struct xlat mctl_sync[] = { |
| 177 | { MS_ASYNC, "MS_ASYNC" }, |
| 178 | { MS_INVALIDATE,"MS_INVALIDATE" }, |
| 179 | #ifdef MS_SYNC |
| 180 | { MS_SYNC, "MS_SYNC" }, |
| 181 | #endif |
| 182 | { 0, NULL }, |
| 183 | }; |
| 184 | |
| 185 | int |
| 186 | sys_msync(tcp) |
| 187 | struct tcb *tcp; |
| 188 | { |
| 189 | if (entering(tcp)) { |
| 190 | /* addr */ |
| 191 | tprintf("%#lx", tcp->u_arg[0]); |
| 192 | /* len */ |
| 193 | tprintf(", %lu, ", tcp->u_arg[1]); |
| 194 | /* flags */ |
| 195 | if (!printflags(mctl_sync, tcp->u_arg[2])) |
| 196 | tprintf("MS_???"); |
| 197 | } |
| 198 | return 0; |
| 199 | } |
| 200 | |
| 201 | #endif /* MS_ASYNC */ |
| 202 | |
| 203 | #ifdef MC_SYNC |
| 204 | |
| 205 | static struct xlat mctl_funcs[] = { |
| 206 | { MC_LOCK, "MC_LOCK" }, |
| 207 | { MC_LOCKAS, "MC_LOCKAS" }, |
| 208 | { MC_SYNC, "MC_SYNC" }, |
| 209 | { MC_UNLOCK, "MC_UNLOCK" }, |
| 210 | { MC_UNLOCKAS, "MC_UNLOCKAS" }, |
| 211 | { 0, NULL }, |
| 212 | }; |
| 213 | |
| 214 | static struct xlat mctl_lockas[] = { |
| 215 | { MCL_CURRENT, "MCL_CURRENT" }, |
| 216 | { MCL_FUTURE, "MCL_FUTURE" }, |
| 217 | { 0, NULL }, |
| 218 | }; |
| 219 | |
| 220 | int |
| 221 | sys_mctl(tcp) |
| 222 | struct tcb *tcp; |
| 223 | { |
| 224 | int arg, function; |
| 225 | |
| 226 | if (entering(tcp)) { |
| 227 | /* addr */ |
| 228 | tprintf("%#lx", tcp->u_arg[0]); |
| 229 | /* len */ |
| 230 | tprintf(", %lu, ", tcp->u_arg[1]); |
| 231 | /* function */ |
| 232 | function = tcp->u_arg[2]; |
| 233 | if (!printflags(mctl_funcs, function)) |
| 234 | tprintf("MC_???"); |
| 235 | /* arg */ |
| 236 | arg = tcp->u_arg[3]; |
| 237 | tprintf(", "); |
| 238 | switch (function) { |
| 239 | case MC_SYNC: |
| 240 | if (!printflags(mctl_sync, arg)) |
| 241 | tprintf("MS_???"); |
| 242 | break; |
| 243 | case MC_LOCKAS: |
| 244 | if (!printflags(mctl_lockas, arg)) |
| 245 | tprintf("MCL_???"); |
| 246 | break; |
| 247 | default: |
| 248 | tprintf("%#x", arg); |
| 249 | break; |
| 250 | } |
| 251 | } |
| 252 | return 0; |
| 253 | } |
| 254 | |
| 255 | #endif /* MC_SYNC */ |
| 256 | |
| 257 | int |
| 258 | sys_mincore(tcp) |
| 259 | struct tcb *tcp; |
| 260 | { |
| 261 | int i, len; |
| 262 | char *vec = NULL; |
| 263 | |
| 264 | if (entering(tcp)) { |
| 265 | tprintf("%#lx, %lu, ", tcp->u_arg[0], tcp->u_arg[1]); |
| 266 | } else { |
| 267 | len = tcp->u_arg[1]; |
| 268 | if (syserror(tcp) || tcp->u_arg[2] == 0 || |
| 269 | (vec = malloc((u_int)len)) == NULL || |
| 270 | umoven(tcp, tcp->u_arg[2], len, vec) < 0) |
| 271 | tprintf("%#lx", tcp->u_arg[2]); |
| 272 | else { |
| 273 | tprintf("["); |
| 274 | for (i = 0; i < len; i++) { |
| 275 | if (abbrev(tcp) && i >= max_strlen) { |
| 276 | tprintf("..."); |
| 277 | break; |
| 278 | } |
| 279 | tprintf((vec[i] & 1) ? "1" : "0"); |
| 280 | } |
| 281 | tprintf("]"); |
| 282 | } |
| 283 | if (vec) |
| 284 | free(vec); |
| 285 | } |
| 286 | return 0; |
| 287 | } |
| 288 | |
| 289 | int |
| 290 | sys_getpagesize(tcp) |
| 291 | struct tcb *tcp; |
| 292 | { |
| 293 | if (exiting(tcp)) |
| 294 | return RVAL_HEX; |
| 295 | return 0; |
| 296 | } |
| 297 | |
| 298 | #if defined(LINUX) && defined(__i386__) |
| 299 | int |
| 300 | sys_modify_ldt(tcp) |
| 301 | struct tcb *tcp; |
| 302 | { |
| 303 | if (entering(tcp)) { |
| 304 | struct modify_ldt_ldt_s copy; |
| 305 | tprintf("%ld", tcp->u_arg[0]); |
| 306 | if (tcp->u_arg[1] == 0 |
| 307 | || tcp->u_arg[2] != sizeof (struct modify_ldt_ldt_s) |
| 308 | || umove(tcp, tcp->u_arg[1], ©) == -1) |
| 309 | tprintf(", %lx", tcp->u_arg[1]); |
| 310 | else { |
| 311 | tprintf(", {entry_number:%d, ", copy.entry_number); |
| 312 | if (!verbose(tcp)) |
| 313 | tprintf("...}"); |
| 314 | else { |
| 315 | tprintf("base_addr:%#08lx, " |
| 316 | "limit:%d, " |
| 317 | "seg_32bit:%d, " |
| 318 | "contents:%d, " |
| 319 | "read_exec_only:%d, " |
| 320 | "limit_in_pages:%d, " |
| 321 | "seg_not_present:%d, " |
| 322 | "useable:%d}", |
| 323 | copy.base_addr, |
| 324 | copy.limit, |
| 325 | copy.seg_32bit, |
| 326 | copy.contents, |
| 327 | copy.read_exec_only, |
| 328 | copy.limit_in_pages, |
| 329 | copy.seg_not_present, |
| 330 | copy.useable); |
| 331 | } |
| 332 | } |
| 333 | tprintf(", %lu", tcp->u_arg[2]); |
| 334 | } |
| 335 | return 0; |
| 336 | } |
| 337 | #endif /* LINUX && __i386__ */ |
| 338 | |