granicus.if.org Git - strace/blob - file.c

   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 #include <dirent.h>
  35
  36 #include <sys/stat.h>
  37 #include <fcntl.h>
  38
  39 #ifdef SVR4
  40 #  include <sys/cred.h>
  41 #endif /* SVR4 */
  42
  43 #include <sys/vfs.h>
  44
  45 #ifdef MAJOR_IN_SYSMACROS
  46 #include <sys/sysmacros.h>
  47 #endif
  48
  49 #ifdef MAJOR_IN_MKDEV
  50 #include <sys/mkdev.h>
  51 #endif
  52
  53 #ifdef HAVE_SYS_ASYNCH_H
  54 #include <sys/asynch.h>
  55 #endif
  56
  57 #ifdef SUNOS4
  58 #include <ustat.h>
  59 #endif
  60
  61 /*
  62  * This is a really dirty trick but it should always work.  Traditional
  63  * Unix says r/w/rw are 0/1/2, so we make them true flags 1/2/3 by
  64  * adding 1.  Just remember to add 1 to any arg decoded with openmodes.
  65  */
  66 struct xlat openmodes[] = {
  67         { O_RDWR+1,     "O_RDWR"        },
  68         { O_RDONLY+1,   "O_RDONLY"      },
  69         { O_WRONLY+1,   "O_WRONLY"      },
  70         { O_NONBLOCK,   "O_NONBLOCK"    },
  71         { O_APPEND,     "O_APPEND"      },
  72         { O_CREAT,      "O_CREAT"       },
  73         { O_TRUNC,      "O_TRUNC"       },
  74         { O_EXCL,       "O_EXCL"        },
  75         { O_NOCTTY,     "O_NOCTTY"      },
  76 #ifdef O_SYNC
  77         { O_SYNC,       "O_SYNC"        },
  78 #endif
  79 #ifdef O_ASYNC
  80         { O_ASYNC,      "O_ASYNC"       },
  81 #endif
  82 #ifdef O_DSYNC
  83         { O_DSYNC,      "O_DSYNC"       },
  84 #endif
  85 #ifdef O_RSYNC
  86         { O_RSYNC,      "O_RSYNC"       },
  87 #endif
  88 #ifdef O_NDELAY
  89         { O_NDELAY,     "O_NDELAY"      },
  90 #endif
  91 #ifdef O_PRIV
  92         { O_PRIV,       "O_PRIV"        },
  93 #endif
  94 #ifdef O_DIRECT
  95    { O_DIRECT, "O_DIRECT"  },
  96 #endif
  97 #ifdef O_LARGEFILE
  98    { O_LARGEFILE,  "O_LARGEFILE"   },
  99 #endif
 100 #ifdef O_DIRECTORY
 101    { O_DIRECTORY,  "O_DIRECTORY"   },
 102 #endif
 103
 104 #ifdef FNDELAY
 105         { FNDELAY,      "FNDELAY"       },
 106 #endif
 107 #ifdef FAPPEND
 108         { FAPPEND,      "FAPPEND"       },
 109 #endif
 110 #ifdef FMARK
 111         { FMARK,        "FMARK"         },
 112 #endif
 113 #ifdef FDEFER
 114         { FDEFER,       "FDEFER"        },
 115 #endif
 116 #ifdef FASYNC
 117         { FASYNC,       "FASYNC"        },
 118 #endif
 119 #ifdef FSHLOCK
 120         { FSHLOCK,      "FSHLOCK"       },
 121 #endif
 122 #ifdef FEXLOCK
 123         { FEXLOCK,      "FEXLOCK"       },
 124 #endif
 125 #ifdef FCREAT
 126         { FCREAT,       "FCREAT"        },
 127 #endif
 128 #ifdef FTRUNC
 129         { FTRUNC,       "FTRUNC"        },
 130 #endif
 131 #ifdef FEXCL
 132         { FEXCL,        "FEXCL"         },
 133 #endif
 134 #ifdef FNBIO
 135         { FNBIO,        "FNBIO"         },
 136 #endif
 137 #ifdef FSYNC
 138         { FSYNC,        "FSYNC"         },
 139 #endif
 140 #ifdef FNOCTTY
 141         { FNOCTTY,      "FNOCTTY"       },
 142 #endif
 143         { 0,            NULL            },
 144 };
 145
 146 int
 147 sys_open(tcp)
 148 struct tcb *tcp;
 149 {
 150         if (entering(tcp)) {
 151                 printpath(tcp, tcp->u_arg[0]);
 152                 tprintf(", ");
 153                 /* flags */
 154                 printflags(openmodes, tcp->u_arg[1] + 1);
 155                 if (tcp->u_arg[1] & O_CREAT) {
 156                         /* mode */
 157                         tprintf(", %#lo", tcp->u_arg[2]);
 158                 }
 159         }
 160         return 0;
 161 }
 162
 163 #ifdef LINUXSPARC
 164 struct xlat openmodessol[] = {
 165         { 0,            "O_RDWR"        },
 166         { 1,            "O_RDONLY"      },
 167         { 2,            "O_WRONLY"      },
 168         { 0x80,         "O_NONBLOCK"    },
 169         { 8,            "O_APPEND"      },
 170         { 0x100,        "O_CREAT"       },
 171         { 0x200,        "O_TRUNC"       },
 172         { 0x400,        "O_EXCL"        },
 173         { 0x800,        "O_NOCTTY"      },
 174         { 0x10,         "O_SYNC"        },
 175         { 0x40,         "O_DSYNC"       },
 176         { 0x8000,       "O_RSYNC"       },
 177         { 4,            "O_NDELAY"      },
 178         { 0x1000,       "O_PRIV"        },
 179         { 0,            NULL            },
 180 };
 181
 182 int
 183 solaris_open(tcp)
 184 struct tcb *tcp;
 185 {
 186         if (entering(tcp)) {
 187                 printpath(tcp, tcp->u_arg[0]);
 188                 tprintf(", ");
 189                 /* flags */
 190                 printflags(openmodessol, tcp->u_arg[1] + 1);
 191                 if (tcp->u_arg[1] & 0x100) {
 192                         /* mode */
 193                         tprintf(", %#lo", tcp->u_arg[2]);
 194                 }
 195         }
 196         return 0;
 197 }
 198
 199 #endif
 200
 201 int
 202 sys_creat(tcp)
 203 struct tcb *tcp;
 204 {
 205         if (entering(tcp)) {
 206                 printpath(tcp, tcp->u_arg[0]);
 207                 tprintf(", %#lo", tcp->u_arg[1]);
 208         }
 209         return 0;
 210 }
 211
 212 static struct xlat access_flags[] = {
 213         { F_OK,         "F_OK",         },
 214         { R_OK,         "R_OK"          },
 215         { W_OK,         "W_OK"          },
 216         { X_OK,         "X_OK"          },
 217 #ifdef EFF_ONLY_OK
 218         { EFF_ONLY_OK,  "EFF_ONLY_OK"   },
 219 #endif
 220 #ifdef EX_OK
 221         { EX_OK,        "EX_OK"         },
 222 #endif
 223         { 0,            NULL            },
 224 };
 225
 226 int
 227 sys_access(tcp)
 228 struct tcb *tcp;
 229 {
 230         if (entering(tcp)) {
 231                 printpath(tcp, tcp->u_arg[0]);
 232                 tprintf(", ");
 233                 printflags(access_flags, tcp->u_arg[1]);
 234         }
 235         return 0;
 236 }
 237
 238 int
 239 sys_umask(tcp)
 240 struct tcb *tcp;
 241 {
 242         if (entering(tcp)) {
 243                 tprintf("%#lo", tcp->u_arg[0]);
 244         }
 245         return RVAL_OCTAL;
 246 }
 247
 248 static struct xlat whence[] = {
 249         { SEEK_SET,     "SEEK_SET"      },
 250         { SEEK_CUR,     "SEEK_CUR"      },
 251         { SEEK_END,     "SEEK_END"      },
 252         { 0,            NULL            },
 253 };
 254
 255 int
 256 sys_lseek(tcp)
 257 struct tcb *tcp;
 258 {
 259         if (entering(tcp)) {
 260                 tprintf("%ld, ", tcp->u_arg[0]);
 261                 if (tcp->u_arg[2] == SEEK_SET)
 262                         tprintf("%lu, ", tcp->u_arg[1]);
 263                 else
 264                         tprintf("%ld, ", tcp->u_arg[1]);
 265                 printxval(whence, tcp->u_arg[2], "SEEK_???");
 266         }
 267         return RVAL_UDECIMAL;
 268 }
 269
 270 #ifdef LINUX
 271 int
 272 sys_llseek (tcp)
 273 struct tcb *tcp;
 274 {
 275     if (entering(tcp)) {
 276         if (tcp->u_arg[4] == SEEK_SET)
 277             tprintf("%ld, %llu, ", tcp->u_arg[0],
 278                     (((unsigned long long int) tcp->u_arg[1]) << 32
 279                      | (unsigned long) tcp->u_arg[2]));
 280         else
 281             tprintf("%ld, %lld, ", tcp->u_arg[0],
 282                     (((long long int) tcp->u_arg[1]) << 32
 283                      | (unsigned long) tcp->u_arg[2]));
 284     }
 285     else {
 286         if (syserror(tcp))
 287             tprintf("%#lx, ", tcp->u_arg[3]);
 288         else {
 289             long long int off;
 290             umove(tcp, tcp->u_arg[3], &off);
 291             tprintf("{%lld}, ", off);
 292         }
 293         printxval(whence, tcp->u_arg[4], "SEEK_???");
 294     }
 295     return 0;
 296 }
 297 #endif
 298
 299 int
 300 sys_truncate(tcp)
 301 struct tcb *tcp;
 302 {
 303         if (entering(tcp)) {
 304                 printpath(tcp, tcp->u_arg[0]);
 305                 tprintf(", %lu", tcp->u_arg[1]);
 306         }
 307         return 0;
 308 }
 309
 310 int
 311 sys_ftruncate(tcp)
 312 struct tcb *tcp;
 313 {
 314         if (entering(tcp)) {
 315                 tprintf("%ld, %lu", tcp->u_arg[0], tcp->u_arg[1]);
 316         }
 317         return 0;
 318 }
 319
 320 /* several stats */
 321
 322 static struct xlat modetypes[] = {
 323         { S_IFREG,      "S_IFREG"       },
 324         { S_IFSOCK,     "S_IFSOCK"      },
 325         { S_IFIFO,      "S_IFIFO"       },
 326         { S_IFLNK,      "S_IFLNK"       },
 327         { S_IFDIR,      "S_IFDIR"       },
 328         { S_IFBLK,      "S_IFBLK"       },
 329         { S_IFCHR,      "S_IFCHR"       },
 330         { 0,            NULL            },
 331 };
 332
 333 static char *
 334 sprintmode(mode)
 335 int mode;
 336 {
 337         static char buf[64];
 338         char *s;
 339
 340         if ((mode & S_IFMT) == 0)
 341                 s = "";
 342         else if ((s = xlookup(modetypes, mode & S_IFMT)) == NULL) {
 343                 sprintf(buf, "%#o", mode);
 344                 return buf;
 345         }
 346         sprintf(buf, "%s%s%s%s", s,
 347                 (mode & S_ISUID) ? "|S_ISUID" : "",
 348                 (mode & S_ISGID) ? "|S_ISGID" : "",
 349                 (mode & S_ISVTX) ? "|S_ISVTX" : "");
 350         mode &= ~(S_IFMT|S_ISUID|S_ISGID|S_ISVTX);
 351         if (mode)
 352                 sprintf(buf + strlen(buf), "|%#o", mode);
 353         s = (*buf == '|') ? buf + 1 : buf;
 354         return *s ? s : "0";
 355 }
 356
 357 static char *
 358 sprinttime(t)
 359 time_t t;
 360 {
 361         struct tm *tmp;
 362         static char buf[32];
 363
 364         if (t == 0) {
 365                 sprintf(buf, "0");
 366                 return buf;
 367         }
 368         tmp = localtime(&t);
 369         sprintf(buf, "%02d/%02d/%02d-%02d:%02d:%02d",
 370                 tmp->tm_year, tmp->tm_mon + 1, tmp->tm_mday,
 371                 tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
 372         return buf;
 373 }
 374
 375 #ifdef LINUXSPARC
 376 typedef struct {
 377         int     tv_sec;
 378         int     tv_nsec;
 379 } timestruct_t;
 380
 381 struct solstat {
 382         unsigned        st_dev;
 383         int             st_pad1[3];     /* network id */
 384         unsigned        st_ino;
 385         unsigned        st_mode;
 386         unsigned        st_nlink;
 387         unsigned        st_uid;
 388         unsigned        st_gid;
 389         unsigned        st_rdev;
 390         int             st_pad2[2];
 391         int             st_size;
 392         int             st_pad3;        /* st_size, off_t expansion */
 393         timestruct_t    st_atime;
 394         timestruct_t    st_mtime;
 395         timestruct_t    st_ctime;
 396         int             st_blksize;
 397         int             st_blocks;
 398         char            st_fstype[16];
 399         int             st_pad4[8];     /* expansion area */
 400 };
 401
 402 static void
 403 printstatsol(tcp, addr)
 404 struct tcb *tcp;
 405 int addr;
 406 {
 407         struct solstat statbuf;
 408
 409         if (!addr) {
 410                 tprintf("NULL");
 411                 return;
 412         }
 413         if (syserror(tcp) || !verbose(tcp)) {
 414                 tprintf("%#x", addr);
 415                 return;
 416         }
 417         if (umove(tcp, addr, &statbuf) < 0) {
 418                 tprintf("{...}");
 419                 return;
 420         }
 421         if (!abbrev(tcp)) {
 422                 tprintf("{st_dev=makedev(%lu, %lu), st_ino=%lu, st_mode=%s, ",
 423                         (unsigned long) ((statbuf.st_dev >> 18) & 0x3fff),
 424                         (unsigned long) (statbuf.st_dev & 0x3ffff),
 425                         (unsigned long) statbuf.st_ino,
 426                         sprintmode(statbuf.st_mode));
 427                 tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ",
 428                         (unsigned long) statbuf.st_nlink,
 429                         (unsigned long) statbuf.st_uid,
 430                         (unsigned long) statbuf.st_gid);
 431                 tprintf("st_blksize=%lu, ", (unsigned long) statbuf.st_blksize);
 432                 tprintf("st_blocks=%lu, ", (unsigned long) statbuf.st_blocks);
 433         }
 434         else
 435                 tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode));
 436         switch (statbuf.st_mode & S_IFMT) {
 437         case S_IFCHR: case S_IFBLK:
 438                 tprintf("st_rdev=makedev(%lu, %lu), ",
 439                         (unsigned long) ((statbuf.st_rdev >> 18) & 0x3fff),
 440                         (unsigned long) (statbuf.st_rdev & 0x3ffff));
 441                 break;
 442         default:
 443                 tprintf("st_size=%u, ", statbuf.st_size);
 444                 break;
 445         }
 446         if (!abbrev(tcp)) {
 447                 tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime));
 448                 tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime));
 449                 tprintf("st_ctime=%s}", sprinttime(statbuf.st_ctime));
 450         }
 451         else
 452                 tprintf("...}");
 453 }
 454 #endif
 455
 456 #ifdef LINUX
 457 /* Get the kernel's idea of struct stat. */
 458 #define stat kernel_stat
 459 #include <asm/stat.h>
 460 #undef stat
 461 #else /* LINUX */
 462 #define kernel_stat stat
 463 #endif /* LINUX */
 464
 465 static void
 466 printstat(tcp, addr)
 467 struct tcb *tcp;
 468 int addr;
 469 {
 470         struct kernel_stat statbuf;
 471
 472 #ifdef LINUXSPARC
 473         if (current_personality == 1) {
 474                 printstatsol(tcp, addr);
 475                 return;
 476         }
 477 #endif /* LINUXSPARC */
 478
 479         if (!addr) {
 480                 tprintf("NULL");
 481                 return;
 482         }
 483         if (syserror(tcp) || !verbose(tcp)) {
 484                 tprintf("%#x", addr);
 485                 return;
 486         }
 487         if (umove(tcp, addr, &statbuf) < 0) {
 488                 tprintf("{...}");
 489                 return;
 490         }
 491         if (!abbrev(tcp)) {
 492                 tprintf("{st_dev=makedev(%lu, %lu), st_ino=%lu, st_mode=%s, ",
 493                         (unsigned long) major(statbuf.st_dev),
 494                         (unsigned long) minor(statbuf.st_dev),
 495                         (unsigned long) statbuf.st_ino,
 496                         sprintmode(statbuf.st_mode));
 497                 tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ",
 498                         (unsigned long) statbuf.st_nlink,
 499                         (unsigned long) statbuf.st_uid,
 500                         (unsigned long) statbuf.st_gid);
 501 #ifdef HAVE_ST_BLKSIZE
 502                 tprintf("st_blksize=%lu, ", (unsigned long) statbuf.st_blksize);
 503 #endif /* HAVE_ST_BLKSIZE */
 504 #ifdef HAVE_ST_BLOCKS
 505                 tprintf("st_blocks=%lu, ", (unsigned long) statbuf.st_blocks);
 506 #endif /* HAVE_ST_BLOCKS */
 507         }
 508         else
 509                 tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode));
 510         switch (statbuf.st_mode & S_IFMT) {
 511         case S_IFCHR: case S_IFBLK:
 512 #ifdef HAVE_ST_RDEV
 513                 tprintf("st_rdev=makedev(%lu, %lu), ",
 514                         (unsigned long) major(statbuf.st_rdev),
 515                         (unsigned long) minor(statbuf.st_rdev));
 516 #else /* !HAVE_ST_RDEV */
 517                 tprintf("st_size=makedev(%lu, %lu), ",
 518                         (unsigned long) major(statbuf.st_size),
 519                         (unsigned long) minor(statbuf.st_size));
 520 #endif /* !HAVE_ST_RDEV */
 521                 break;
 522         default:
 523                 tprintf("st_size=%lu, ", statbuf.st_size);
 524                 break;
 525         }
 526         if (!abbrev(tcp)) {
 527                 tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime));
 528                 tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime));
 529                 tprintf("st_ctime=%s}", sprinttime(statbuf.st_ctime));
 530         }
 531         else
 532                 tprintf("...}");
 533 }
 534
 535 int
 536 sys_stat(tcp)
 537 struct tcb *tcp;
 538 {
 539         if (entering(tcp)) {
 540                 printpath(tcp, tcp->u_arg[0]);
 541                 tprintf(", ");
 542         } else {
 543                 printstat(tcp, tcp->u_arg[1]);
 544         }
 545         return 0;
 546 }
 547
 548 int
 549 sys_fstat(tcp)
 550 struct tcb *tcp;
 551 {
 552         if (entering(tcp))
 553                 tprintf("%ld, ", tcp->u_arg[0]);
 554         else {
 555                 printstat(tcp, tcp->u_arg[1]);
 556         }
 557         return 0;
 558 }
 559
 560 int
 561 sys_lstat(tcp)
 562 struct tcb *tcp;
 563 {
 564         if (entering(tcp)) {
 565                 printpath(tcp, tcp->u_arg[0]);
 566                 tprintf(", ");
 567         } else {
 568                 printstat(tcp, tcp->u_arg[1]);
 569         }
 570         return 0;
 571 }
 572
 573 #if defined(SVR4) || defined(LINUXSPARC)
 574
 575 int
 576 sys_xstat(tcp)
 577 struct tcb *tcp;
 578 {
 579         if (entering(tcp)) {
 580                 tprintf("%ld, ", tcp->u_arg[0]);
 581                 printpath(tcp, tcp->u_arg[1]);
 582                 tprintf(", ");
 583         } else {
 584                 printstat(tcp, tcp->u_arg[2]);
 585         }
 586         return 0;
 587 }
 588
 589 int
 590 sys_fxstat(tcp)
 591 struct tcb *tcp;
 592 {
 593         if (entering(tcp))
 594                 tprintf("%ld, %ld, ", tcp->u_arg[0], tcp->u_arg[1]);
 595         else {
 596                 printstat(tcp, tcp->u_arg[2]);
 597         }
 598         return 0;
 599 }
 600
 601 int
 602 sys_lxstat(tcp)
 603 struct tcb *tcp;
 604 {
 605         if (entering(tcp)) {
 606                 tprintf("%ld, ", tcp->u_arg[0]);
 607                 printpath(tcp, tcp->u_arg[1]);
 608                 tprintf(", ");
 609         } else {
 610                 printstat(tcp, tcp->u_arg[2]);
 611         }
 612         return 0;
 613 }
 614
 615 int
 616 sys_xmknod(tcp)
 617 struct tcb *tcp;
 618 {
 619         int mode = tcp->u_arg[2];
 620
 621         if (entering(tcp)) {
 622                 tprintf("%ld, ", tcp->u_arg[0]);
 623                 printpath(tcp, tcp->u_arg[1]);
 624                 tprintf(", %s", sprintmode(mode));
 625                 switch (mode & S_IFMT) {
 626                 case S_IFCHR: case S_IFBLK:
 627 #ifdef LINUXSPARC
 628                         tprintf(", makedev(%lu, %lu)",
 629                                 (unsigned long) ((tcp->u_arg[3] >> 18) & 0x3fff),
 630                                 (unsigned long) (tcp->u_arg[3] & 0x3ffff));
 631 #else
 632                         tprintf(", makedev(%lu, %lu)",
 633                                 (unsigned long) major(tcp->u_arg[3]),
 634                                 (unsigned long) minor(tcp->u_arg[3]));
 635 #endif
 636                         break;
 637                 default:
 638                         break;
 639                 }
 640         }
 641         return 0;
 642 }
 643
 644 #endif /* SVR4 || LINUXSPARC */
 645
 646 #ifdef LINUX
 647
 648 static struct xlat fsmagic[] = {
 649         { 0xef51,       "EXT2_OLD_SUPER_MAGIC"  },
 650         { 0xef53,       "EXT2_SUPER_MAGIC"      },
 651         { 0x137d,       "EXT_SUPER_MAGIC"       },
 652         { 0x9660,       "ISOFS_SUPER_MAGIC"     },
 653         { 0x137f,       "MINIX_SUPER_MAGIC"     },
 654         { 0x138f,       "MINIX_SUPER_MAGIC2"    },
 655         { 0x2468,       "NEW_MINIX_SUPER_MAGIC" },
 656         { 0x4d44,       "MSDOS_SUPER_MAGIC"     },
 657         { 0x6969,       "NFS_SUPER_MAGIC"       },
 658         { 0x9fa0,       "PROC_SUPER_MAGIC"      },
 659         { 0x012fd16d,   "XIAFS_SUPER_MAGIC"     },
 660         { 0,            NULL                    },
 661 };
 662
 663 #endif /* LINUX */
 664
 665 #ifndef SVR4
 666
 667 static char *
 668 sprintfstype(magic)
 669 int magic;
 670 {
 671         static char buf[32];
 672 #ifdef LINUX
 673         char *s;
 674
 675         s = xlookup(fsmagic, magic);
 676         if (s) {
 677                 sprintf(buf, "\"%s\"", s);
 678                 return buf;
 679         }
 680 #endif /* LINUX */
 681         sprintf(buf, "%#x", magic);
 682         return buf;
 683 }
 684
 685 static void
 686 printstatfs(tcp, addr)
 687 struct tcb *tcp;
 688 long addr;
 689 {
 690         struct statfs statbuf;
 691
 692         if (syserror(tcp) || !verbose(tcp)) {
 693                 tprintf("%#lx", addr);
 694                 return;
 695         }
 696         if (umove(tcp, addr, &statbuf) < 0) {
 697                 tprintf("{...}");
 698                 return;
 699         }
 700 #ifdef ALPHA
 701
 702         tprintf("{f_type=%s, f_fbsize=%u, f_blocks=%u, f_bfree=%u, ",
 703                 sprintfstype(statbuf.f_type),
 704                 statbuf.f_bsize, statbuf.f_blocks, statbuf.f_bfree);
 705         tprintf("f_bavail=%u, f_files=%u, f_ffree=%u, f_namelen=%u}",
 706                 statbuf.f_bavail,statbuf.f_files, statbuf.f_ffree, statbuf.f_namelen);
 707 #else /* !ALPHA */
 708         tprintf("{f_type=%s, f_bsize=%lu, f_blocks=%lu, f_bfree=%lu, ",
 709                 sprintfstype(statbuf.f_type),
 710                 statbuf.f_bsize, statbuf.f_blocks, statbuf.f_bfree);
 711         tprintf("f_files=%lu, f_ffree=%lu",
 712                 statbuf.f_files, statbuf.f_ffree);
 713 #ifdef LINUX
 714         tprintf(", f_namelen=%lu}", statbuf.f_namelen);
 715 #endif /* LINUX */
 716 #endif /* !ALPHA */
 717         tprintf("}");
 718 }
 719
 720 int
 721 sys_statfs(tcp)
 722 struct tcb *tcp;
 723 {
 724         if (entering(tcp)) {
 725                 printpath(tcp, tcp->u_arg[0]);
 726                 tprintf(", ");
 727         } else {
 728                 printstatfs(tcp, tcp->u_arg[1]);
 729         }
 730         return 0;
 731 }
 732
 733 int
 734 sys_fstatfs(tcp)
 735 struct tcb *tcp;
 736 {
 737         if (entering(tcp)) {
 738                 tprintf("%lu, ", tcp->u_arg[0]);
 739         } else {
 740                 printstatfs(tcp, tcp->u_arg[1]);
 741         }
 742         return 0;
 743 }
 744
 745 #ifdef LINUX
 746 #ifdef ALPHA
 747
 748 int
 749 osf_statfs(tcp)
 750 struct tcb *tcp;
 751 {
 752         if (entering(tcp)) {
 753                 printpath(tcp, tcp->u_arg[0]);
 754                 tprintf(", ");
 755         } else {
 756                 printstatfs(tcp, tcp->u_arg[1]);
 757                 tprintf(", %lu", tcp->u_arg[2]);
 758         }
 759         return 0;
 760 }
 761
 762 int
 763 osf_fstatfs(tcp)
 764 struct tcb *tcp;
 765 {
 766         if (entering(tcp)) {
 767                 tprintf("%lu, ", tcp->u_arg[0]);
 768         } else {
 769                 printstatfs(tcp, tcp->u_arg[1]);
 770                 tprintf(", %lu", tcp->u_arg[2]);
 771         }
 772         return 0;
 773 }
 774 #endif /* ALPHA */
 775 #endif /* LINUX */
 776
 777 #endif /* !SVR4 */
 778
 779 #ifdef SUNOS4
 780
 781 int
 782 sys_ustat(tcp)
 783 struct tcb *tcp;
 784 {
 785         struct ustat statbuf;
 786
 787         if (entering(tcp)) {
 788                 tprintf("makedev(%lu, %lu), ",
 789                                 (long) major(tcp->u_arg[0]),
 790                                 (long) minor(tcp->u_arg[0]));
 791         }
 792         else {
 793                 if (syserror(tcp) || !verbose(tcp))
 794                         tprintf("%#lx", tcp->u_arg[1]);
 795                 else if (umove(tcp, tcp->u_arg[1], &statbuf) < 0)
 796                         tprintf("{...}");
 797                 else {
 798                         tprintf("{f_tfree=%lu, f_tinode=%lu, ",
 799                                 statbuf.f_tfree, statbuf.f_tinode);
 800                         tprintf("f_fname=\"%.*s\", ",
 801                                 (int) sizeof(statbuf.f_fname),
 802                                 statbuf.f_fname);
 803                         tprintf("f_fpack=\"%.*s\"}",
 804                                 (int) sizeof(statbuf.f_fpack),
 805                                 statbuf.f_fpack);
 806                 }
 807         }
 808         return 0;
 809 }
 810
 811 #endif /* SUNOS4 */
 812
 813 /* directory */
 814 int
 815 sys_chdir(tcp)
 816 struct tcb *tcp;
 817 {
 818         if (entering(tcp)) {
 819                 printpath(tcp, tcp->u_arg[0]);
 820         }
 821         return 0;
 822 }
 823
 824 int
 825 sys_mkdir(tcp)
 826 struct tcb *tcp;
 827 {
 828         if (entering(tcp)) {
 829                 printpath(tcp, tcp->u_arg[0]);
 830                 tprintf(", %#lo", tcp->u_arg[1]);
 831         }
 832         return 0;
 833 }
 834
 835 int
 836 sys_rmdir(tcp)
 837 struct tcb *tcp;
 838 {
 839         if (entering(tcp)) {
 840                 printpath(tcp, tcp->u_arg[0]);
 841         }
 842         return 0;
 843 }
 844
 845 int
 846 sys_fchdir(tcp)
 847 struct tcb *tcp;
 848 {
 849         if (entering(tcp)) {
 850                 tprintf("%ld", tcp->u_arg[0]);
 851         }
 852         return 0;
 853 }
 854
 855 int
 856 sys_chroot(tcp)
 857 struct tcb *tcp;
 858 {
 859         if (entering(tcp)) {
 860                 printpath(tcp, tcp->u_arg[0]);
 861         }
 862         return 0;
 863 }
 864
 865 int
 866 sys_fchroot(tcp)
 867 struct tcb *tcp;
 868 {
 869         if (entering(tcp)) {
 870                 tprintf("%ld", tcp->u_arg[0]);
 871         }
 872         return 0;
 873 }
 874
 875 int
 876 sys_link(tcp)
 877 struct tcb *tcp;
 878 {
 879         if (entering(tcp)) {
 880                 printpath(tcp, tcp->u_arg[0]);
 881                 tprintf(", ");
 882                 printpath(tcp, tcp->u_arg[1]);
 883         }
 884         return 0;
 885 }
 886
 887 int
 888 sys_unlink(tcp)
 889 struct tcb *tcp;
 890 {
 891         if (entering(tcp)) {
 892                 printpath(tcp, tcp->u_arg[0]);
 893         }
 894         return 0;
 895 }
 896
 897 int
 898 sys_symlink(tcp)
 899 struct tcb *tcp;
 900 {
 901         if (entering(tcp)) {
 902                 printpath(tcp, tcp->u_arg[0]);
 903                 tprintf(", ");
 904                 printpath(tcp, tcp->u_arg[1]);
 905         }
 906         return 0;
 907 }
 908
 909 int
 910 sys_readlink(tcp)
 911 struct tcb *tcp;
 912 {
 913         if (entering(tcp)) {
 914                 printpath(tcp, tcp->u_arg[0]);
 915                 tprintf(", ");
 916         } else {
 917                 if (syserror(tcp))
 918                         tprintf("%#lx", tcp->u_arg[1]);
 919                 else
 920                         printpathn(tcp, tcp->u_arg[1], tcp->u_rval);
 921                 tprintf(", %lu", tcp->u_arg[2]);
 922         }
 923         return 0;
 924 }
 925
 926 int
 927 sys_rename(tcp)
 928 struct tcb *tcp;
 929 {
 930         if (entering(tcp)) {
 931                 printpath(tcp, tcp->u_arg[0]);
 932                 tprintf(", ");
 933                 printpath(tcp, tcp->u_arg[1]);
 934         }
 935         return 0;
 936 }
 937
 938 int
 939 sys_chown(tcp)
 940 struct tcb *tcp;
 941 {
 942         if (entering(tcp)) {
 943                 printpath(tcp, tcp->u_arg[0]);
 944                 tprintf(", %lu, %lu", tcp->u_arg[1], tcp->u_arg[2]);
 945         }
 946         return 0;
 947 }
 948
 949 int
 950 sys_fchown(tcp)
 951 struct tcb *tcp;
 952 {
 953         if (entering(tcp)) {
 954                 tprintf("%ld, %lu, %lu",
 955                         tcp->u_arg[0], tcp->u_arg[1], tcp->u_arg[2]);
 956         }
 957         return 0;
 958 }
 959
 960 int
 961 sys_chmod(tcp)
 962 struct tcb *tcp;
 963 {
 964         if (entering(tcp)) {
 965                 printpath(tcp, tcp->u_arg[0]);
 966                 tprintf(", %#lo", tcp->u_arg[1]);
 967         }
 968         return 0;
 969 }
 970
 971 int
 972 sys_fchmod(tcp)
 973 struct tcb *tcp;
 974 {
 975         if (entering(tcp)) {
 976                 tprintf("%ld, %#lo", tcp->u_arg[0], tcp->u_arg[1]);
 977         }
 978         return 0;
 979 }
 980
 981 int
 982 sys_utimes(tcp)
 983 struct tcb *tcp;
 984 {
 985         if (entering(tcp)) {
 986                 printpath(tcp, tcp->u_arg[0]);
 987                 tprintf(", ");
 988                 printtv(tcp, tcp->u_arg[1]);
 989         }
 990         return 0;
 991 }
 992
 993 int
 994 sys_utime(tcp)
 995 struct tcb *tcp;
 996 {
 997         long ut[2];
 998
 999         if (entering(tcp)) {
1000                 printpath(tcp, tcp->u_arg[0]);
1001                 tprintf(", ");
1002                 if (!tcp->u_arg[1])
1003                         tprintf("NULL");
1004                 else if (!verbose(tcp))
1005                         tprintf("%#lx", tcp->u_arg[1]);
1006                 else if (umoven(tcp, tcp->u_arg[1], sizeof ut,
1007                     (char *) ut) < 0)
1008                         tprintf("[?, ?]");
1009                 else {
1010                         tprintf("[%s,", sprinttime(ut[0]));
1011                         tprintf(" %s]", sprinttime(ut[1]));
1012                 }
1013         }
1014         return 0;
1015 }
1016
1017 int
1018 sys_mknod(tcp)
1019 struct tcb *tcp;
1020 {
1021         int mode = tcp->u_arg[1];
1022
1023         if (entering(tcp)) {
1024                 printpath(tcp, tcp->u_arg[0]);
1025                 tprintf(", %s", sprintmode(mode));
1026                 switch (mode & S_IFMT) {
1027                 case S_IFCHR: case S_IFBLK:
1028 #ifdef LINUXSPARC
1029                         if (current_personality == 1)
1030                         tprintf(", makedev(%lu, %lu)",
1031                                 (unsigned long) ((tcp->u_arg[2] >> 18) & 0x3fff),
1032                                 (unsigned long) (tcp->u_arg[2] & 0x3ffff));
1033                         else
1034 #endif
1035                         tprintf(", makedev(%lu, %lu)",
1036                                 (unsigned long) major(tcp->u_arg[2]),
1037                                 (unsigned long) minor(tcp->u_arg[2]));
1038                         break;
1039                 default:
1040                         break;
1041                 }
1042         }
1043         return 0;
1044 }
1045
1046 int
1047 sys_mkfifo(tcp)
1048 struct tcb *tcp;
1049 {
1050         if (entering(tcp)) {
1051                 printpath(tcp, tcp->u_arg[0]);
1052                 tprintf(", %#lo", tcp->u_arg[1]);
1053         }
1054         return 0;
1055 }
1056
1057 int
1058 sys_fsync(tcp)
1059 struct tcb *tcp;
1060 {
1061         if (entering(tcp)) {
1062                 tprintf("%ld", tcp->u_arg[0]);
1063         }
1064         return 0;
1065 }
1066
1067 #ifdef LINUX
1068
1069 static void
1070 printdir(tcp, addr)
1071 struct tcb *tcp;
1072 long addr;
1073 {
1074         struct dirent d;
1075
1076         if (!verbose(tcp)) {
1077                 tprintf("%#lx", addr);
1078                 return;
1079         }
1080         if (umove(tcp, addr, &d) < 0) {
1081                 tprintf("{...}");
1082                 return;
1083         }
1084         tprintf("{d_ino=%ld, ", (unsigned long) d.d_ino);
1085 #ifndef LINUX
1086         /* This contains garbage under Linux.  */
1087         tprintf("d_off=%d, ", d.d_off);
1088 #endif /* !LINUX */
1089 #ifndef LINUX
1090         /* No point in printing this out since the syscall returns it. */
1091         tprintf("d_reclen=%u, ", d.d_reclen);
1092 #endif /* !LINUX */
1093         tprintf("d_name=");
1094         printpathn(tcp, (long) ((struct dirent *) addr)->d_name, d.d_reclen);
1095         tprintf("}");
1096 }
1097
1098 int
1099 sys_readdir(tcp)
1100 struct tcb *tcp;
1101 {
1102         if (entering(tcp)) {
1103                 tprintf("%lu, ", tcp->u_arg[0]);
1104         } else {
1105                 if (syserror(tcp) || tcp->u_rval == 0 || !verbose(tcp))
1106                         tprintf("%#lx", tcp->u_arg[1]);
1107                 else
1108                         printdir(tcp, tcp->u_arg[1]);
1109                 /* Not much point in printing this out, it is always 1. */
1110                 if (tcp->u_arg[2] != 1)
1111                         tprintf(", %lu", tcp->u_arg[2]);
1112         }
1113         return 0;
1114 }
1115
1116 #endif /* LINUX */
1117
1118 int
1119 sys_getdents(tcp)
1120 struct tcb *tcp;
1121 {
1122         int i, len, dents = 0;
1123         char *buf;
1124
1125         if (entering(tcp)) {
1126                 tprintf("%lu, ", tcp->u_arg[0]);
1127                 return 0;
1128         }
1129         if (syserror(tcp) || !verbose(tcp)) {
1130                 tprintf("%#lx, %lu", tcp->u_arg[1], tcp->u_arg[2]);
1131                 return 0;
1132         }
1133 #ifdef linux
1134 #ifdef __sparc__
1135         tprintf (" = Unknown value\n");
1136         return 0;
1137 #endif
1138 #endif
1139         len = tcp->u_rval;
1140         if ((buf = malloc(len)) == NULL) {
1141                 tprintf("out of memory\n");
1142                 return 0;
1143         }
1144         if (umoven(tcp, tcp->u_arg[1], len, buf) < 0) {
1145                 tprintf("{...}, %lu", tcp->u_arg[2]);
1146                 free(buf);
1147                 return 0;
1148         }
1149         if (!abbrev(tcp))
1150                 tprintf("{");
1151         for (i = 0; i < len;) {
1152                 struct dirent *d = (struct dirent *) &buf[i];
1153 #ifdef LINUX
1154                 if (!abbrev(tcp)) {
1155                         tprintf("%s{d_ino=%lu, d_off=%lu, ",
1156                                 i ? " " : "", d->d_ino, d->d_off);
1157                         tprintf("d_reclen=%u, d_name=\"%s\"}",
1158                                 d->d_reclen, d->d_name);
1159                 }
1160 #endif /* LINUX */
1161 #ifdef SVR4
1162                 if (!abbrev(tcp)) {
1163                         tprintf("%s{d_ino=%lu, d_off=%lu, ",
1164                                 i ? " " : "", d->d_ino, d->d_off);
1165                         tprintf("d_reclen=%u, d_name=\"%s\"}",
1166                                 d->d_reclen, d->d_name);
1167                 }
1168 #endif /* SVR4 */
1169 #ifdef SUNOS4
1170                 if (!abbrev(tcp)) {
1171                         tprintf("%s{d_off=%lu, d_fileno=%lu, d_reclen=%u, ",
1172                                 i ? " " : "", d->d_off, d->d_fileno,
1173                                 d->d_reclen);
1174                         tprintf("d_namlen=%u, d_name=\"%.*s\"}",
1175                                 d->d_namlen, d->d_namlen, d->d_name);
1176                 }
1177 #endif /* SUNOS4 */
1178                 i += d->d_reclen;
1179                 dents++;
1180         }
1181         if (!abbrev(tcp))
1182                 tprintf("}");
1183         else
1184                 tprintf("/* %u entries */", dents);
1185         tprintf(", %lu", tcp->u_arg[2]);
1186         free(buf);
1187         return 0;
1188 }
1189
1190 #ifdef LINUX
1191
1192 int
1193 sys_getcwd(tcp)
1194 struct tcb *tcp;
1195 {
1196     if (exiting(tcp)) {
1197         if (syserror(tcp))
1198             tprintf("%#lx", tcp->u_arg[0]);
1199         else
1200             printstr(tcp, tcp->u_arg[0], tcp->u_arg[1]);
1201         tprintf(", %lu", tcp->u_arg[1]);
1202     }
1203     return 0;
1204 }
1205 #endif /* LINUX */
1206
1207 #ifdef HAVE_SYS_ASYNCH_H
1208
1209 int
1210 sys_aioread(tcp)
1211 struct tcb *tcp;
1212 {
1213         struct aio_result_t res;
1214
1215         if (entering(tcp)) {
1216                 tprintf("%lu, ", tcp->u_arg[0]);
1217         } else {
1218                 if (syserror(tcp))
1219                         tprintf("%#lx", tcp->u_arg[1]);
1220                 else
1221                         printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
1222                 tprintf(", %lu, %lu, ", tcp->u_arg[2], tcp->u_arg[3]);
1223                 printxval(whence, tcp->u_arg[4], "L_???");
1224                 if (syserror(tcp) || tcp->u_arg[5] == 0
1225                     || umove(tcp, tcp->u_arg[5], &res) < 0)
1226                         tprintf(", %#lx", tcp->u_arg[5]);
1227                 else
1228                         tprintf(", {aio_return %d aio_errno %d}",
1229                                 res.aio_return, res.aio_errno);
1230         }
1231         return 0;
1232 }
1233
1234 int
1235 sys_aiowrite(tcp)
1236 struct tcb *tcp;
1237 {
1238         struct aio_result_t res;
1239
1240         if (entering(tcp)) {
1241                 tprintf("%lu, ", tcp->u_arg[0]);
1242                 printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
1243                 tprintf(", %lu, %lu, ", tcp->u_arg[2], tcp->u_arg[3]);
1244                 printxval(whence, tcp->u_arg[4], "L_???");
1245         }
1246         else {
1247                 if (tcp->u_arg[5] == 0)
1248                         tprintf(", NULL");
1249                 else if (syserror(tcp)
1250                     || umove(tcp, tcp->u_arg[5], &res) < 0)
1251                         tprintf(", %#lx", tcp->u_arg[5]);
1252                 else
1253                         tprintf(", {aio_return %d aio_errno %d}",
1254                                 res.aio_return, res.aio_errno);
1255         }
1256         return 0;
1257 }
1258
1259 int
1260 sys_aiowait(tcp)
1261 struct tcb *tcp;
1262 {
1263         if (entering(tcp))
1264                 printtv(tcp, tcp->u_arg[0]);
1265         return 0;
1266 }
1267
1268 int
1269 sys_aiocancel(tcp)
1270 struct tcb *tcp;
1271 {
1272         struct aio_result_t res;
1273
1274         if (exiting(tcp)) {
1275                 if (tcp->u_arg[0] == 0)
1276                         tprintf("NULL");
1277                 else if (syserror(tcp)
1278                     || umove(tcp, tcp->u_arg[0], &res) < 0)
1279                         tprintf("%#lx", tcp->u_arg[0]);
1280                 else
1281                         tprintf("{aio_return %d aio_errno %d}",
1282                                 res.aio_return, res.aio_errno);
1283         }
1284         return 0;
1285 }
1286
1287 #endif /* HAVE_SYS_ASYNCH_H */