linux-user/strace.c

   1 #include <stdio.h>
   2 #include <errno.h>
   3 #include <sys/ipc.h>
   4 #include <sys/msg.h>
   5 #include <sys/sem.h>
   6 #include <sys/shm.h>
   7 #include <sys/select.h>
   8 #include <sys/types.h>
   9 #include <sys/mount.h>
  10 #include <sys/mman.h>
  11 #include <unistd.h>
  12 #include <sched.h>
  13 #include "qemu.h"
  14
  15 int do_strace=0;
  16
  17 struct syscallname {
  18     int nr;
  19     const char *name;
  20     const char *format;
  21     void (*call)(const struct syscallname *,
  22                  abi_long, abi_long, abi_long,
  23                  abi_long, abi_long, abi_long);
  24     void (*result)(const struct syscallname *, abi_long);
  25 };
  26
  27 #ifdef __GNUC__
  28 /*
  29  * It is possible that target doesn't have syscall that uses
  30  * following flags but we don't want the compiler to warn
  31  * us about them being unused.  Same applies to utility print
  32  * functions.  It is ok to keep them while not used.
  33  */
  34 #define UNUSED __attribute__ ((unused))
  35 #else
  36 #define UNUSED
  37 #endif
  38
  39 /*
  40  * Structure used to translate flag values into strings.  This is
  41  * similar that is in the actual strace tool.
  42  */
  43 struct flags {
  44     abi_long    f_value;  /* flag */
  45     const char  *f_string; /* stringified flag */
  46 };
  47
  48 /* common flags for all architectures */
  49 #define FLAG_GENERIC(name) { name, #name }
  50 /* target specific flags (syscall_defs.h has TARGET_<flag>) */
  51 #define FLAG_TARGET(name)  { TARGET_ ## name, #name }
  52 /* end of flags array */
  53 #define FLAG_END           { 0, NULL }
  54
  55 UNUSED static const char *get_comma(int);
  56 UNUSED static void print_pointer(abi_long, int);
  57 UNUSED static void print_flags(const struct flags *, abi_long, int);
  58 UNUSED static void print_at_dirfd(abi_long, int);
  59 UNUSED static void print_file_mode(abi_long, int);
  60 UNUSED static void print_open_flags(abi_long, int);
  61 UNUSED static void print_syscall_prologue(const struct syscallname *);
  62 UNUSED static void print_syscall_epilogue(const struct syscallname *);
  63 UNUSED static void print_string(abi_long, int);
  64 UNUSED static void print_raw_param(const char *, abi_long, int);
  65 UNUSED static void print_timeval(abi_ulong, int);
  66 UNUSED static void print_number(abi_long, int);
  67 UNUSED static void print_signal(abi_ulong, int);
  68
  69 /*
  70  * Utility functions
  71  */
  72 static void
  73 print_ipc_cmd(int cmd)
  74 {
  75 #define output_cmd(val) \
  76 if( cmd == val ) { \
  77     gemu_log(#val); \
  78     return; \
  79 }
  80
  81     cmd &= 0xff;
  82
  83     /* General IPC commands */
  84     output_cmd( IPC_RMID );
  85     output_cmd( IPC_SET );
  86     output_cmd( IPC_STAT );
  87     output_cmd( IPC_INFO );
  88     /* msgctl() commands */
  89     #ifdef __USER_MISC
  90     output_cmd( MSG_STAT );
  91     output_cmd( MSG_INFO );
  92     #endif
  93     /* shmctl() commands */
  94     output_cmd( SHM_LOCK );
  95     output_cmd( SHM_UNLOCK );
  96     output_cmd( SHM_STAT );
  97     output_cmd( SHM_INFO );
  98     /* semctl() commands */
  99     output_cmd( GETPID );
 100     output_cmd( GETVAL );
 101     output_cmd( GETALL );
 102     output_cmd( GETNCNT );
 103     output_cmd( GETZCNT );
 104     output_cmd( SETVAL );
 105     output_cmd( SETALL );
 106     output_cmd( SEM_STAT );
 107     output_cmd( SEM_INFO );
 108     output_cmd( IPC_RMID );
 109     output_cmd( IPC_RMID );
 110     output_cmd( IPC_RMID );
 111     output_cmd( IPC_RMID );
 112     output_cmd( IPC_RMID );
 113     output_cmd( IPC_RMID );
 114     output_cmd( IPC_RMID );
 115     output_cmd( IPC_RMID );
 116     output_cmd( IPC_RMID );
 117
 118     /* Some value we don't recognize */
 119     gemu_log("%d",cmd);
 120 }
 121
 122 static void
 123 print_signal(abi_ulong arg, int last)
 124 {
 125     const char *signal_name = NULL;
 126     switch(arg) {
 127     case TARGET_SIGHUP: signal_name = "SIGHUP"; break;
 128     case TARGET_SIGINT: signal_name = "SIGINT"; break;
 129     case TARGET_SIGQUIT: signal_name = "SIGQUIT"; break;
 130     case TARGET_SIGILL: signal_name = "SIGILL"; break;
 131     case TARGET_SIGABRT: signal_name = "SIGABRT"; break;
 132     case TARGET_SIGFPE: signal_name = "SIGFPE"; break;
 133     case TARGET_SIGKILL: signal_name = "SIGKILL"; break;
 134     case TARGET_SIGSEGV: signal_name = "SIGSEGV"; break;
 135     case TARGET_SIGPIPE: signal_name = "SIGPIPE"; break;
 136     case TARGET_SIGALRM: signal_name = "SIGALRM"; break;
 137     case TARGET_SIGTERM: signal_name = "SIGTERM"; break;
 138     case TARGET_SIGUSR1: signal_name = "SIGUSR1"; break;
 139     case TARGET_SIGUSR2: signal_name = "SIGUSR2"; break;
 140     case TARGET_SIGCHLD: signal_name = "SIGCHLD"; break;
 141     case TARGET_SIGCONT: signal_name = "SIGCONT"; break;
 142     case TARGET_SIGSTOP: signal_name = "SIGSTOP"; break;
 143     case TARGET_SIGTTIN: signal_name = "SIGTTIN"; break;
 144     case TARGET_SIGTTOU: signal_name = "SIGTTOU"; break;
 145     }
 146     if (signal_name == NULL) {
 147         print_raw_param("%ld", arg, 1);
 148         return;
 149     }
 150     gemu_log("%s%s", signal_name, get_comma(last));
 151 }
 152
 153 #ifdef TARGET_NR__newselect
 154 static void
 155 print_fdset(int n, abi_ulong target_fds_addr)
 156 {
 157     int i;
 158
 159     gemu_log("[");
 160     if( target_fds_addr ) {
 161         abi_long *target_fds;
 162
 163         target_fds = lock_user(VERIFY_READ,
 164                                target_fds_addr,
 165                                sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
 166                                1);
 167
 168         if (!target_fds)
 169             return;
 170
 171         for (i=n; i>=0; i--) {
 172             if ((tswapl(target_fds[i / TARGET_ABI_BITS]) >> (i & (TARGET_ABI_BITS - 1))) & 1)
 173                 gemu_log("%d,", i );
 174             }
 175         unlock_user(target_fds, target_fds_addr, 0);
 176     }
 177     gemu_log("]");
 178 }
 179 #endif
 180
 181 /*
 182  * Sysycall specific output functions
 183  */
 184
 185 /* select */
 186 #ifdef TARGET_NR__newselect
 187 static long newselect_arg1 = 0;
 188 static long newselect_arg2 = 0;
 189 static long newselect_arg3 = 0;
 190 static long newselect_arg4 = 0;
 191 static long newselect_arg5 = 0;
 192
 193 static void
 194 print_newselect(const struct syscallname *name,
 195                 abi_long arg1, abi_long arg2, abi_long arg3,
 196                 abi_long arg4, abi_long arg5, abi_long arg6)
 197 {
 198     gemu_log("%s(" TARGET_ABI_FMT_ld ",", name->name, arg1);
 199     print_fdset(arg1, arg2);
 200     gemu_log(",");
 201     print_fdset(arg1, arg3);
 202     gemu_log(",");
 203     print_fdset(arg1, arg4);
 204     gemu_log(",");
 205     print_timeval(arg5, 1);
 206     gemu_log(")");
 207
 208     /* save for use in the return output function below */
 209     newselect_arg1=arg1;
 210     newselect_arg2=arg2;
 211     newselect_arg3=arg3;
 212     newselect_arg4=arg4;
 213     newselect_arg5=arg5;
 214 }
 215 #endif
 216
 217 #ifdef TARGET_NR_semctl
 218 static void
 219 print_semctl(const struct syscallname *name,
 220              abi_long arg1, abi_long arg2, abi_long arg3,
 221              abi_long arg4, abi_long arg5, abi_long arg6)
 222 {
 223     gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", name->name, arg1, arg2);
 224     print_ipc_cmd(arg3);
 225     gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
 226 }
 227 #endif
 228
 229 static void
 230 print_execve(const struct syscallname *name,
 231              abi_long arg1, abi_long arg2, abi_long arg3,
 232              abi_long arg4, abi_long arg5, abi_long arg6)
 233 {
 234     abi_ulong arg_ptr_addr;
 235     char *s;
 236
 237     if (!(s = lock_user_string(arg1)))
 238         return;
 239     gemu_log("%s(\"%s\",{", name->name, s);
 240     unlock_user(s, arg1, 0);
 241
 242     for (arg_ptr_addr = arg2; ; arg_ptr_addr += sizeof(abi_ulong)) {
 243         abi_ulong *arg_ptr, arg_addr;
 244
 245         arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
 246         if (!arg_ptr)
 247             return;
 248         arg_addr = tswapl(*arg_ptr);
 249         unlock_user(arg_ptr, arg_ptr_addr, 0);
 250         if (!arg_addr)
 251             break;
 252         if ((s = lock_user_string(arg_addr))) {
 253             gemu_log("\"%s\",", s);
 254             unlock_user(s, arg_addr, 0);
 255         }
 256     }
 257
 258     gemu_log("NULL})");
 259 }
 260
 261 #ifdef TARGET_NR_ipc
 262 static void
 263 print_ipc(const struct syscallname *name,
 264           abi_long arg1, abi_long arg2, abi_long arg3,
 265           abi_long arg4, abi_long arg5, abi_long arg6)
 266 {
 267     switch(arg1) {
 268     case IPCOP_semctl:
 269         gemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", arg1, arg2);
 270         print_ipc_cmd(arg3);
 271         gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
 272         break;
 273     default:
 274         gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")",
 275                  name->name, arg1, arg2, arg3, arg4);
 276     }
 277 }
 278 #endif
 279
 280 /*
 281  * Variants for the return value output function
 282  */
 283
 284 static void
 285 print_syscall_ret_addr(const struct syscallname *name, abi_long ret)
 286 {
 287 if( ret == -1 ) {
 288         gemu_log(" = -1 errno=%d (%s)\n", errno, target_strerror(errno));
 289     } else {
 290         gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
 291     }
 292 }
 293
 294 #if 0 /* currently unused */
 295 static void
 296 print_syscall_ret_raw(struct syscallname *name, abi_long ret)
 297 {
 298         gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
 299 }
 300 #endif
 301
 302 #ifdef TARGET_NR__newselect
 303 static void
 304 print_syscall_ret_newselect(const struct syscallname *name, abi_long ret)
 305 {
 306     gemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
 307     print_fdset(newselect_arg1,newselect_arg2);
 308     gemu_log(",");
 309     print_fdset(newselect_arg1,newselect_arg3);
 310     gemu_log(",");
 311     print_fdset(newselect_arg1,newselect_arg4);
 312     gemu_log(",");
 313     print_timeval(newselect_arg5, 1);
 314     gemu_log(")\n");
 315 }
 316 #endif
 317
 318 UNUSED static struct flags access_flags[] = {
 319     FLAG_GENERIC(F_OK),
 320     FLAG_GENERIC(R_OK),
 321     FLAG_GENERIC(W_OK),
 322     FLAG_GENERIC(X_OK),
 323     FLAG_END,
 324 };
 325
 326 UNUSED static struct flags at_file_flags[] = {
 327 #ifdef AT_EACCESS
 328     FLAG_GENERIC(AT_EACCESS),
 329 #endif
 330 #ifdef AT_SYMLINK_NOFOLLOW
 331     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
 332 #endif
 333     FLAG_END,
 334 };
 335
 336 UNUSED static struct flags unlinkat_flags[] = {
 337 #ifdef AT_REMOVEDIR
 338     FLAG_GENERIC(AT_REMOVEDIR),
 339 #endif
 340     FLAG_END,
 341 };
 342
 343 UNUSED static struct flags mode_flags[] = {
 344     FLAG_GENERIC(S_IFSOCK),
 345     FLAG_GENERIC(S_IFLNK),
 346     FLAG_GENERIC(S_IFREG),
 347     FLAG_GENERIC(S_IFBLK),
 348     FLAG_GENERIC(S_IFDIR),
 349     FLAG_GENERIC(S_IFCHR),
 350     FLAG_GENERIC(S_IFIFO),
 351     FLAG_END,
 352 };
 353
 354 UNUSED static struct flags open_access_flags[] = {
 355     FLAG_TARGET(O_RDONLY),
 356     FLAG_TARGET(O_WRONLY),
 357     FLAG_TARGET(O_RDWR),
 358     FLAG_END,
 359 };
 360
 361 UNUSED static struct flags open_flags[] = {
 362     FLAG_TARGET(O_APPEND),
 363     FLAG_TARGET(O_CREAT),
 364     FLAG_TARGET(O_DIRECTORY),
 365     FLAG_TARGET(O_EXCL),
 366     FLAG_TARGET(O_LARGEFILE),
 367     FLAG_TARGET(O_NOCTTY),
 368     FLAG_TARGET(O_NOFOLLOW),
 369     FLAG_TARGET(O_NONBLOCK),      /* also O_NDELAY */
 370     FLAG_TARGET(O_SYNC),
 371     FLAG_TARGET(O_TRUNC),
 372 #ifdef O_DIRECT
 373     FLAG_TARGET(O_DIRECT),
 374 #endif
 375     FLAG_END,
 376 };
 377
 378 UNUSED static struct flags mount_flags[] = {
 379 #ifdef MS_BIND
 380     FLAG_GENERIC(MS_BIND),
 381 #endif
 382 #ifdef MS_DIRSYNC
 383     FLAG_GENERIC(MS_DIRSYNC),
 384 #endif
 385     FLAG_GENERIC(MS_MANDLOCK),
 386 #ifdef MS_MOVE
 387     FLAG_GENERIC(MS_MOVE),
 388 #endif
 389     FLAG_GENERIC(MS_NOATIME),
 390     FLAG_GENERIC(MS_NODEV),
 391     FLAG_GENERIC(MS_NODIRATIME),
 392     FLAG_GENERIC(MS_NOEXEC),
 393     FLAG_GENERIC(MS_NOSUID),
 394     FLAG_GENERIC(MS_RDONLY),
 395 #ifdef MS_RELATIME
 396     FLAG_GENERIC(MS_RELATIME),
 397 #endif
 398     FLAG_GENERIC(MS_REMOUNT),
 399     FLAG_GENERIC(MS_SYNCHRONOUS),
 400     FLAG_END,
 401 };
 402
 403 UNUSED static struct flags umount2_flags[] = {
 404 #ifdef MNT_FORCE
 405     FLAG_GENERIC(MNT_FORCE),
 406 #endif
 407 #ifdef MNT_DETACH
 408     FLAG_GENERIC(MNT_DETACH),
 409 #endif
 410 #ifdef MNT_EXPIRE
 411     FLAG_GENERIC(MNT_EXPIRE),
 412 #endif
 413     FLAG_END,
 414 };
 415
 416 UNUSED static struct flags mmap_prot_flags[] = {
 417     FLAG_GENERIC(PROT_NONE),
 418     FLAG_GENERIC(PROT_EXEC),
 419     FLAG_GENERIC(PROT_READ),
 420     FLAG_GENERIC(PROT_WRITE),
 421     FLAG_TARGET(PROT_SEM),
 422     FLAG_GENERIC(PROT_GROWSDOWN),
 423     FLAG_GENERIC(PROT_GROWSUP),
 424     FLAG_END,
 425 };
 426
 427 UNUSED static struct flags mmap_flags[] = {
 428     FLAG_TARGET(MAP_SHARED),
 429     FLAG_TARGET(MAP_PRIVATE),
 430     FLAG_TARGET(MAP_ANONYMOUS),
 431     FLAG_TARGET(MAP_DENYWRITE),
 432     FLAG_TARGET(MAP_FIXED),
 433     FLAG_TARGET(MAP_GROWSDOWN),
 434     FLAG_TARGET(MAP_EXECUTABLE),
 435 #ifdef MAP_LOCKED
 436     FLAG_TARGET(MAP_LOCKED),
 437 #endif
 438 #ifdef MAP_NONBLOCK
 439     FLAG_TARGET(MAP_NONBLOCK),
 440 #endif
 441     FLAG_TARGET(MAP_NORESERVE),
 442 #ifdef MAP_POPULATE
 443     FLAG_TARGET(MAP_POPULATE),
 444 #endif
 445 #ifdef TARGET_MAP_UNINITIALIZED
 446     FLAG_TARGET(MAP_UNINITIALIZED),
 447 #endif
 448     FLAG_END,
 449 };
 450
 451 UNUSED static struct flags fcntl_flags[] = {
 452     FLAG_TARGET(F_DUPFD),
 453     FLAG_TARGET(F_GETFD),
 454     FLAG_TARGET(F_SETFD),
 455     FLAG_TARGET(F_GETFL),
 456     FLAG_TARGET(F_SETFL),
 457     FLAG_TARGET(F_GETLK),
 458     FLAG_TARGET(F_SETLK),
 459     FLAG_TARGET(F_SETLKW),
 460     FLAG_END,
 461 };
 462
 463 UNUSED static struct flags clone_flags[] = {
 464     FLAG_GENERIC(CLONE_VM),
 465     FLAG_GENERIC(CLONE_FS),
 466     FLAG_GENERIC(CLONE_FILES),
 467     FLAG_GENERIC(CLONE_SIGHAND),
 468     FLAG_GENERIC(CLONE_PTRACE),
 469     FLAG_GENERIC(CLONE_VFORK),
 470     FLAG_GENERIC(CLONE_PARENT),
 471     FLAG_GENERIC(CLONE_THREAD),
 472     FLAG_GENERIC(CLONE_NEWNS),
 473     FLAG_GENERIC(CLONE_SYSVSEM),
 474     FLAG_GENERIC(CLONE_SETTLS),
 475     FLAG_GENERIC(CLONE_PARENT_SETTID),
 476     FLAG_GENERIC(CLONE_CHILD_CLEARTID),
 477     FLAG_GENERIC(CLONE_DETACHED),
 478     FLAG_GENERIC(CLONE_UNTRACED),
 479     FLAG_GENERIC(CLONE_CHILD_SETTID),
 480     FLAG_GENERIC(CLONE_NEWUTS),
 481     FLAG_GENERIC(CLONE_NEWIPC),
 482     FLAG_GENERIC(CLONE_NEWUSER),
 483     FLAG_GENERIC(CLONE_NEWPID),
 484     FLAG_GENERIC(CLONE_NEWNET),
 485     FLAG_GENERIC(CLONE_IO),
 486     FLAG_END,
 487 };
 488
 489 /*
 490  * print_xxx utility functions.  These are used to print syscall
 491  * parameters in certain format.  All of these have parameter
 492  * named 'last'.  This parameter is used to add comma to output
 493  * when last == 0.
 494  */
 495
 496 static const char *
 497 get_comma(int last)
 498 {
 499     return ((last) ? "" : ",");
 500 }
 501
 502 static void
 503 print_flags(const struct flags *f, abi_long flags, int last)
 504 {
 505     const char *sep = "";
 506     int n;
 507
 508     if ((flags == 0) && (f->f_value == 0)) {
 509         gemu_log("%s%s", f->f_string, get_comma(last));
 510         return;
 511     }
 512     for (n = 0; f->f_string != NULL; f++) {
 513         if ((f->f_value != 0) && ((flags & f->f_value) == f->f_value)) {
 514             gemu_log("%s%s", sep, f->f_string);
 515             flags &= ~f->f_value;
 516             sep = "|";
 517             n++;
 518         }
 519     }
 520
 521     if (n > 0) {
 522         /* print rest of the flags as numeric */
 523         if (flags != 0) {
 524             gemu_log("%s%#x%s", sep, (unsigned int)flags, get_comma(last));
 525         } else {
 526             gemu_log("%s", get_comma(last));
 527         }
 528     } else {
 529         /* no string version of flags found, print them in hex then */
 530         gemu_log("%#x%s", (unsigned int)flags, get_comma(last));
 531     }
 532 }
 533
 534 static void
 535 print_at_dirfd(abi_long dirfd, int last)
 536 {
 537 #ifdef AT_FDCWD
 538     if (dirfd == AT_FDCWD) {
 539         gemu_log("AT_FDCWD%s", get_comma(last));
 540         return;
 541     }
 542 #endif
 543     gemu_log("%d%s", (int)dirfd, get_comma(last));
 544 }
 545
 546 static void
 547 print_file_mode(abi_long mode, int last)
 548 {
 549     const char *sep = "";
 550     const struct flags *m;
 551
 552     for (m = &mode_flags[0]; m->f_string != NULL; m++) {
 553         if ((m->f_value & mode) == m->f_value) {
 554             gemu_log("%s%s", m->f_string, sep);
 555             sep = "|";
 556             mode &= ~m->f_value;
 557             break;
 558         }
 559     }
 560
 561     mode &= ~S_IFMT;
 562     /* print rest of the mode as octal */
 563     if (mode != 0)
 564         gemu_log("%s%#o", sep, (unsigned int)mode);
 565
 566     gemu_log("%s", get_comma(last));
 567 }
 568
 569 static void
 570 print_open_flags(abi_long flags, int last)
 571 {
 572     print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1);
 573     flags &= ~TARGET_O_ACCMODE;
 574     if (flags == 0) {
 575         gemu_log("%s", get_comma(last));
 576         return;
 577     }
 578     gemu_log("|");
 579     print_flags(open_flags, flags, last);
 580 }
 581
 582 static void
 583 print_syscall_prologue(const struct syscallname *sc)
 584 {
 585     gemu_log("%s(", sc->name);
 586 }
 587
 588 /*ARGSUSED*/
 589 static void
 590 print_syscall_epilogue(const struct syscallname *sc)
 591 {
 592     (void)sc;
 593     gemu_log(")");
 594 }
 595
 596 static void
 597 print_string(abi_long addr, int last)
 598 {
 599     char *s;
 600
 601     if ((s = lock_user_string(addr)) != NULL) {
 602         gemu_log("\"%s\"%s", s, get_comma(last));
 603         unlock_user(s, addr, 0);
 604     } else {
 605         /* can't get string out of it, so print it as pointer */
 606         print_pointer(addr, last);
 607     }
 608 }
 609
 610 /*
 611  * Prints out raw parameter using given format.  Caller needs
 612  * to do byte swapping if needed.
 613  */
 614 static void
 615 print_raw_param(const char *fmt, abi_long param, int last)
 616 {
 617     char format[64];
 618
 619     (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last));
 620     gemu_log(format, param);
 621 }
 622
 623 static void
 624 print_pointer(abi_long p, int last)
 625 {
 626     if (p == 0)
 627         gemu_log("NULL%s", get_comma(last));
 628     else
 629         gemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last));
 630 }
 631
 632 /*
 633  * Reads 32-bit (int) number from guest address space from
 634  * address 'addr' and prints it.
 635  */
 636 static void
 637 print_number(abi_long addr, int last)
 638 {
 639     if (addr == 0) {
 640         gemu_log("NULL%s", get_comma(last));
 641     } else {
 642         int num;
 643
 644         get_user_s32(num, addr);
 645         gemu_log("[%d]%s", num, get_comma(last));
 646     }
 647 }
 648
 649 static void
 650 print_timeval(abi_ulong tv_addr, int last)
 651 {
 652     if( tv_addr ) {
 653         struct target_timeval *tv;
 654
 655         tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
 656         if (!tv)
 657             return;
 658         gemu_log("{" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "}%s",
 659             tv->tv_sec, tv->tv_usec, get_comma(last));
 660         unlock_user(tv, tv_addr, 0);
 661     } else
 662         gemu_log("NULL%s", get_comma(last));
 663 }
 664
 665 #undef UNUSED
 666
 667 #ifdef TARGET_NR_accept
 668 static void
 669 print_accept(const struct syscallname *name,
 670     abi_long arg0, abi_long arg1, abi_long arg2,
 671     abi_long arg3, abi_long arg4, abi_long arg5)
 672 {
 673     print_syscall_prologue(name);
 674     print_raw_param("%d", arg0, 0);
 675     print_pointer(arg1, 0);
 676     print_number(arg2, 1);
 677     print_syscall_epilogue(name);
 678 }
 679 #endif
 680
 681 #ifdef TARGET_NR_access
 682 static void
 683 print_access(const struct syscallname *name,
 684     abi_long arg0, abi_long arg1, abi_long arg2,
 685     abi_long arg3, abi_long arg4, abi_long arg5)
 686 {
 687     print_syscall_prologue(name);
 688     print_string(arg0, 0);
 689     print_flags(access_flags, arg1, 1);
 690     print_syscall_epilogue(name);
 691 }
 692 #endif
 693
 694 #ifdef TARGET_NR_brk
 695 static void
 696 print_brk(const struct syscallname *name,
 697     abi_long arg0, abi_long arg1, abi_long arg2,
 698     abi_long arg3, abi_long arg4, abi_long arg5)
 699 {
 700     print_syscall_prologue(name);
 701     print_pointer(arg0, 1);
 702     print_syscall_epilogue(name);
 703 }
 704 #endif
 705
 706 #ifdef TARGET_NR_chdir
 707 static void
 708 print_chdir(const struct syscallname *name,
 709     abi_long arg0, abi_long arg1, abi_long arg2,
 710     abi_long arg3, abi_long arg4, abi_long arg5)
 711 {
 712     print_syscall_prologue(name);
 713     print_string(arg0, 1);
 714     print_syscall_epilogue(name);
 715 }
 716 #endif
 717
 718 #ifdef TARGET_NR_chmod
 719 static void
 720 print_chmod(const struct syscallname *name,
 721     abi_long arg0, abi_long arg1, abi_long arg2,
 722     abi_long arg3, abi_long arg4, abi_long arg5)
 723 {
 724     print_syscall_prologue(name);
 725     print_string(arg0, 0);
 726     print_file_mode(arg1, 1);
 727     print_syscall_epilogue(name);
 728 }
 729 #endif
 730
 731 #ifdef TARGET_NR_clone
 732 static void
 733 print_clone(const struct syscallname *name,
 734     abi_long arg0, abi_long arg1, abi_long arg2,
 735     abi_long arg3, abi_long arg4, abi_long arg5)
 736 {
 737     print_syscall_prologue(name);
 738 #if defined(TARGET_M68K)
 739     print_flags(clone_flags, arg0, 0);
 740     print_raw_param("newsp=0x" TARGET_ABI_FMT_lx, arg1, 1);
 741 #elif defined(TARGET_SH4) || defined(TARGET_ALPHA)
 742     print_flags(clone_flags, arg0, 0);
 743     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, arg1, 0);
 744     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, arg2, 0);
 745     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, arg3, 0);
 746     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, arg4, 1);
 747 #elif defined(TARGET_CRIS)
 748     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, arg0, 0);
 749     print_flags(clone_flags, arg1, 0);
 750     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, arg2, 0);
 751     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, arg3, 0);
 752     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, arg4, 1);
 753 #else
 754     print_flags(clone_flags, arg0, 0);
 755     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, arg1, 0);
 756     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, arg2, 0);
 757     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, arg3, 0);
 758     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, arg4, 1);
 759 #endif
 760     print_syscall_epilogue(name);
 761 }
 762 #endif
 763
 764 #ifdef TARGET_NR_creat
 765 static void
 766 print_creat(const struct syscallname *name,
 767     abi_long arg0, abi_long arg1, abi_long arg2,
 768     abi_long arg3, abi_long arg4, abi_long arg5)
 769 {
 770     print_syscall_prologue(name);
 771     print_string(arg0, 0);
 772     print_file_mode(arg1, 1);
 773     print_syscall_epilogue(name);
 774 }
 775 #endif
 776
 777 #ifdef TARGET_NR_execv
 778 static void
 779 print_execv(const struct syscallname *name,
 780     abi_long arg0, abi_long arg1, abi_long arg2,
 781     abi_long arg3, abi_long arg4, abi_long arg5)
 782 {
 783     print_syscall_prologue(name);
 784     print_string(arg0, 0);
 785     print_raw_param("0x" TARGET_ABI_FMT_lx, arg1, 1);
 786     print_syscall_epilogue(name);
 787 }
 788 #endif
 789
 790 #ifdef TARGET_NR_faccessat
 791 static void
 792 print_faccessat(const struct syscallname *name,
 793     abi_long arg0, abi_long arg1, abi_long arg2,
 794     abi_long arg3, abi_long arg4, abi_long arg5)
 795 {
 796     print_syscall_prologue(name);
 797     print_at_dirfd(arg0, 0);
 798     print_string(arg1, 0);
 799     print_flags(access_flags, arg2, 0);
 800     print_flags(at_file_flags, arg3, 1);
 801     print_syscall_epilogue(name);
 802 }
 803 #endif
 804
 805 #ifdef TARGET_NR_fchmodat
 806 static void
 807 print_fchmodat(const struct syscallname *name,
 808     abi_long arg0, abi_long arg1, abi_long arg2,
 809     abi_long arg3, abi_long arg4, abi_long arg5)
 810 {
 811     print_syscall_prologue(name);
 812     print_at_dirfd(arg0, 0);
 813     print_string(arg1, 0);
 814     print_file_mode(arg2, 0);
 815     print_flags(at_file_flags, arg3, 1);
 816     print_syscall_epilogue(name);
 817 }
 818 #endif
 819
 820 #ifdef TARGET_NR_fchownat
 821 static void
 822 print_fchownat(const struct syscallname *name,
 823     abi_long arg0, abi_long arg1, abi_long arg2,
 824     abi_long arg3, abi_long arg4, abi_long arg5)
 825 {
 826     print_syscall_prologue(name);
 827     print_at_dirfd(arg0, 0);
 828     print_string(arg1, 0);
 829     print_raw_param("%d", arg2, 0);
 830     print_raw_param("%d", arg3, 0);
 831     print_flags(at_file_flags, arg4, 1);
 832     print_syscall_epilogue(name);
 833 }
 834 #endif
 835
 836 #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
 837 static void
 838 print_fcntl(const struct syscallname *name,
 839     abi_long arg0, abi_long arg1, abi_long arg2,
 840     abi_long arg3, abi_long arg4, abi_long arg5)
 841 {
 842     print_syscall_prologue(name);
 843     print_raw_param("%d", arg0, 0);
 844     print_flags(fcntl_flags, arg1, 0);
 845     /*
 846      * TODO: check flags and print following argument only
 847      *       when needed.
 848      */
 849     print_pointer(arg2, 1);
 850     print_syscall_epilogue(name);
 851 }
 852 #define print_fcntl64   print_fcntl
 853 #endif
 854
 855
 856 #ifdef TARGET_NR_futimesat
 857 static void
 858 print_futimesat(const struct syscallname *name,
 859     abi_long arg0, abi_long arg1, abi_long arg2,
 860     abi_long arg3, abi_long arg4, abi_long arg5)
 861 {
 862     print_syscall_prologue(name);
 863     print_at_dirfd(arg0, 0);
 864     print_string(arg1, 0);
 865     print_timeval(arg2, 0);
 866     print_timeval(arg2 + sizeof (struct target_timeval), 1);
 867     print_syscall_epilogue(name);
 868 }
 869 #endif
 870
 871 #ifdef TARGET_NR_link
 872 static void
 873 print_link(const struct syscallname *name,
 874     abi_long arg0, abi_long arg1, abi_long arg2,
 875     abi_long arg3, abi_long arg4, abi_long arg5)
 876 {
 877     print_syscall_prologue(name);
 878     print_string(arg0, 0);
 879     print_string(arg1, 1);
 880     print_syscall_epilogue(name);
 881 }
 882 #endif
 883
 884 #ifdef TARGET_NR_linkat
 885 static void
 886 print_linkat(const struct syscallname *name,
 887     abi_long arg0, abi_long arg1, abi_long arg2,
 888     abi_long arg3, abi_long arg4, abi_long arg5)
 889 {
 890     print_syscall_prologue(name);
 891     print_at_dirfd(arg0, 0);
 892     print_string(arg1, 0);
 893     print_at_dirfd(arg2, 0);
 894     print_string(arg3, 0);
 895     print_flags(at_file_flags, arg4, 1);
 896     print_syscall_epilogue(name);
 897 }
 898 #endif
 899
 900 #ifdef TARGET_NR__llseek
 901 static void
 902 print__llseek(const struct syscallname *name,
 903     abi_long arg0, abi_long arg1, abi_long arg2,
 904     abi_long arg3, abi_long arg4, abi_long arg5)
 905 {
 906     const char *whence = "UNKNOWN";
 907     print_syscall_prologue(name);
 908     print_raw_param("%d", arg0, 0);
 909     print_raw_param("%ld", arg1, 0);
 910     print_raw_param("%ld", arg2, 0);
 911     print_pointer(arg3, 0);
 912     switch(arg4) {
 913     case SEEK_SET: whence = "SEEK_SET"; break;
 914     case SEEK_CUR: whence = "SEEK_CUR"; break;
 915     case SEEK_END: whence = "SEEK_END"; break;
 916     }
 917     gemu_log("%s",whence);
 918     print_syscall_epilogue(name);
 919 }
 920 #endif
 921
 922 #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
 923     defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
 924 static void
 925 print_stat(const struct syscallname *name,
 926     abi_long arg0, abi_long arg1, abi_long arg2,
 927     abi_long arg3, abi_long arg4, abi_long arg5)
 928 {
 929     print_syscall_prologue(name);
 930     print_string(arg0, 0);
 931     print_pointer(arg1, 1);
 932     print_syscall_epilogue(name);
 933 }
 934 #define print_lstat     print_stat
 935 #define print_stat64    print_stat
 936 #define print_lstat64   print_stat
 937 #endif
 938
 939 #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
 940 static void
 941 print_fstat(const struct syscallname *name,
 942     abi_long arg0, abi_long arg1, abi_long arg2,
 943     abi_long arg3, abi_long arg4, abi_long arg5)
 944 {
 945     print_syscall_prologue(name);
 946     print_raw_param("%d", arg0, 0);
 947     print_pointer(arg1, 1);
 948     print_syscall_epilogue(name);
 949 }
 950 #define print_fstat64     print_fstat
 951 #endif
 952
 953 #ifdef TARGET_NR_mkdir
 954 static void
 955 print_mkdir(const struct syscallname *name,
 956     abi_long arg0, abi_long arg1, abi_long arg2,
 957     abi_long arg3, abi_long arg4, abi_long arg5)
 958 {
 959     print_syscall_prologue(name);
 960     print_string(arg0, 0);
 961     print_file_mode(arg1, 1);
 962     print_syscall_epilogue(name);
 963 }
 964 #endif
 965
 966 #ifdef TARGET_NR_mkdirat
 967 static void
 968 print_mkdirat(const struct syscallname *name,
 969     abi_long arg0, abi_long arg1, abi_long arg2,
 970     abi_long arg3, abi_long arg4, abi_long arg5)
 971 {
 972     print_syscall_prologue(name);
 973     print_at_dirfd(arg0, 0);
 974     print_string(arg1, 0);
 975     print_file_mode(arg2, 1);
 976     print_syscall_epilogue(name);
 977 }
 978 #endif
 979
 980 #ifdef TARGET_NR_rmdir
 981 static void
 982 print_rmdir(const struct syscallname *name,
 983     abi_long arg0, abi_long arg1, abi_long arg2,
 984     abi_long arg3, abi_long arg4, abi_long arg5)
 985 {
 986     print_syscall_prologue(name);
 987     print_string(arg0, 0);
 988     print_syscall_epilogue(name);
 989 }
 990 #endif
 991
 992 #ifdef TARGET_NR_rt_sigaction
 993 static void
 994 print_rt_sigaction(const struct syscallname *name,
 995     abi_long arg0, abi_long arg1, abi_long arg2,
 996     abi_long arg3, abi_long arg4, abi_long arg5)
 997 {
 998     print_syscall_prologue(name);
 999     print_signal(arg0, 0);
1000     print_pointer(arg1, 0);
1001     print_pointer(arg2, 1);
1002     print_syscall_epilogue(name);
1003 }
1004 #endif
1005
1006 #ifdef TARGET_NR_rt_sigprocmask
1007 static void
1008 print_rt_sigprocmask(const struct syscallname *name,
1009     abi_long arg0, abi_long arg1, abi_long arg2,
1010     abi_long arg3, abi_long arg4, abi_long arg5)
1011 {
1012     const char *how = "UNKNOWN";
1013     print_syscall_prologue(name);
1014     switch(arg0) {
1015     case TARGET_SIG_BLOCK: how = "SIG_BLOCK"; break;
1016     case TARGET_SIG_UNBLOCK: how = "SIG_UNBLOCK"; break;
1017     case TARGET_SIG_SETMASK: how = "SIG_SETMASK"; break;
1018     }
1019     gemu_log("%s,",how);
1020     print_pointer(arg1, 0);
1021     print_pointer(arg2, 1);
1022     print_syscall_epilogue(name);
1023 }
1024 #endif
1025
1026 #ifdef TARGET_NR_mknod
1027 static void
1028 print_mknod(const struct syscallname *name,
1029     abi_long arg0, abi_long arg1, abi_long arg2,
1030     abi_long arg3, abi_long arg4, abi_long arg5)
1031 {
1032     int hasdev = (arg1 & (S_IFCHR|S_IFBLK));
1033
1034     print_syscall_prologue(name);
1035     print_string(arg0, 0);
1036     print_file_mode(arg1, (hasdev == 0));
1037     if (hasdev) {
1038         print_raw_param("makedev(%d", major(arg2), 0);
1039         print_raw_param("%d)", minor(arg2), 1);
1040     }
1041     print_syscall_epilogue(name);
1042 }
1043 #endif
1044
1045 #ifdef TARGET_NR_mknodat
1046 static void
1047 print_mknodat(const struct syscallname *name,
1048     abi_long arg0, abi_long arg1, abi_long arg2,
1049     abi_long arg3, abi_long arg4, abi_long arg5)
1050 {
1051     int hasdev = (arg2 & (S_IFCHR|S_IFBLK));
1052
1053     print_syscall_prologue(name);
1054     print_at_dirfd(arg0, 0);
1055     print_string(arg1, 0);
1056     print_file_mode(arg2, (hasdev == 0));
1057     if (hasdev) {
1058         print_raw_param("makedev(%d", major(arg3), 0);
1059         print_raw_param("%d)", minor(arg3), 1);
1060     }
1061     print_syscall_epilogue(name);
1062 }
1063 #endif
1064
1065 #ifdef TARGET_NR_mq_open
1066 static void
1067 print_mq_open(const struct syscallname *name,
1068     abi_long arg0, abi_long arg1, abi_long arg2,
1069     abi_long arg3, abi_long arg4, abi_long arg5)
1070 {
1071     int is_creat = (arg1 & TARGET_O_CREAT);
1072
1073     print_syscall_prologue(name);
1074     print_string(arg0, 0);
1075     print_open_flags(arg1, (is_creat == 0));
1076     if (is_creat) {
1077         print_file_mode(arg2, 0);
1078         print_pointer(arg3, 1);
1079     }
1080     print_syscall_epilogue(name);
1081 }
1082 #endif
1083
1084 #ifdef TARGET_NR_open
1085 static void
1086 print_open(const struct syscallname *name,
1087     abi_long arg0, abi_long arg1, abi_long arg2,
1088     abi_long arg3, abi_long arg4, abi_long arg5)
1089 {
1090     int is_creat = (arg1 & TARGET_O_CREAT);
1091
1092     print_syscall_prologue(name);
1093     print_string(arg0, 0);
1094     print_open_flags(arg1, (is_creat == 0));
1095     if (is_creat)
1096         print_file_mode(arg2, 1);
1097     print_syscall_epilogue(name);
1098 }
1099 #endif
1100
1101 #ifdef TARGET_NR_openat
1102 static void
1103 print_openat(const struct syscallname *name,
1104     abi_long arg0, abi_long arg1, abi_long arg2,
1105     abi_long arg3, abi_long arg4, abi_long arg5)
1106 {
1107     int is_creat = (arg2 & TARGET_O_CREAT);
1108
1109     print_syscall_prologue(name);
1110     print_at_dirfd(arg0, 0);
1111     print_string(arg1, 0);
1112     print_open_flags(arg2, (is_creat == 0));
1113     if (is_creat)
1114         print_file_mode(arg3, 1);
1115     print_syscall_epilogue(name);
1116 }
1117 #endif
1118
1119 #ifdef TARGET_NR_mq_unlink
1120 static void
1121 print_mq_unlink(const struct syscallname *name,
1122     abi_long arg0, abi_long arg1, abi_long arg2,
1123     abi_long arg3, abi_long arg4, abi_long arg5)
1124 {
1125     print_syscall_prologue(name);
1126     print_string(arg0, 1);
1127     print_syscall_epilogue(name);
1128 }
1129 #endif
1130
1131 #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
1132 static void
1133 print_fstatat64(const struct syscallname *name,
1134     abi_long arg0, abi_long arg1, abi_long arg2,
1135     abi_long arg3, abi_long arg4, abi_long arg5)
1136 {
1137     print_syscall_prologue(name);
1138     print_at_dirfd(arg0, 0);
1139     print_string(arg1, 0);
1140     print_pointer(arg2, 0);
1141     print_flags(at_file_flags, arg3, 1);
1142     print_syscall_epilogue(name);
1143 }
1144 #define print_newfstatat    print_fstatat64
1145 #endif
1146
1147 #ifdef TARGET_NR_readlink
1148 static void
1149 print_readlink(const struct syscallname *name,
1150     abi_long arg0, abi_long arg1, abi_long arg2,
1151     abi_long arg3, abi_long arg4, abi_long arg5)
1152 {
1153     print_syscall_prologue(name);
1154     print_string(arg0, 0);
1155     print_pointer(arg1, 0);
1156     print_raw_param("%u", arg2, 1);
1157     print_syscall_epilogue(name);
1158 }
1159 #endif
1160
1161 #ifdef TARGET_NR_readlinkat
1162 static void
1163 print_readlinkat(const struct syscallname *name,
1164     abi_long arg0, abi_long arg1, abi_long arg2,
1165     abi_long arg3, abi_long arg4, abi_long arg5)
1166 {
1167     print_syscall_prologue(name);
1168     print_at_dirfd(arg0, 0);
1169     print_string(arg1, 0);
1170     print_pointer(arg2, 0);
1171     print_raw_param("%u", arg3, 1);
1172     print_syscall_epilogue(name);
1173 }
1174 #endif
1175
1176 #ifdef TARGET_NR_rename
1177 static void
1178 print_rename(const struct syscallname *name,
1179     abi_long arg0, abi_long arg1, abi_long arg2,
1180     abi_long arg3, abi_long arg4, abi_long arg5)
1181 {
1182     print_syscall_prologue(name);
1183     print_string(arg0, 0);
1184     print_string(arg1, 1);
1185     print_syscall_epilogue(name);
1186 }
1187 #endif
1188
1189 #ifdef TARGET_NR_renameat
1190 static void
1191 print_renameat(const struct syscallname *name,
1192     abi_long arg0, abi_long arg1, abi_long arg2,
1193     abi_long arg3, abi_long arg4, abi_long arg5)
1194 {
1195     print_syscall_prologue(name);
1196     print_at_dirfd(arg0, 0);
1197     print_string(arg1, 0);
1198     print_at_dirfd(arg2, 0);
1199     print_string(arg3, 1);
1200     print_syscall_epilogue(name);
1201 }
1202 #endif
1203
1204 #ifdef TARGET_NR_statfs
1205 static void
1206 print_statfs(const struct syscallname *name,
1207     abi_long arg0, abi_long arg1, abi_long arg2,
1208     abi_long arg3, abi_long arg4, abi_long arg5)
1209 {
1210     print_syscall_prologue(name);
1211     print_string(arg0, 0);
1212     print_pointer(arg1, 1);
1213     print_syscall_epilogue(name);
1214 }
1215 #define print_statfs64  print_statfs
1216 #endif
1217
1218 #ifdef TARGET_NR_symlink
1219 static void
1220 print_symlink(const struct syscallname *name,
1221     abi_long arg0, abi_long arg1, abi_long arg2,
1222     abi_long arg3, abi_long arg4, abi_long arg5)
1223 {
1224     print_syscall_prologue(name);
1225     print_string(arg0, 0);
1226     print_string(arg1, 1);
1227     print_syscall_epilogue(name);
1228 }
1229 #endif
1230
1231 #ifdef TARGET_NR_symlinkat
1232 static void
1233 print_symlinkat(const struct syscallname *name,
1234     abi_long arg0, abi_long arg1, abi_long arg2,
1235     abi_long arg3, abi_long arg4, abi_long arg5)
1236 {
1237     print_syscall_prologue(name);
1238     print_string(arg0, 0);
1239     print_at_dirfd(arg1, 0);
1240     print_string(arg2, 1);
1241     print_syscall_epilogue(name);
1242 }
1243 #endif
1244
1245 #ifdef TARGET_NR_mount
1246 static void
1247 print_mount(const struct syscallname *name,
1248     abi_long arg0, abi_long arg1, abi_long arg2,
1249     abi_long arg3, abi_long arg4, abi_long arg5)
1250 {
1251     print_syscall_prologue(name);
1252     print_string(arg0, 0);
1253     print_string(arg1, 0);
1254     print_string(arg2, 0);
1255     print_flags(mount_flags, arg3, 0);
1256     print_pointer(arg4, 1);
1257     print_syscall_epilogue(name);
1258 }
1259 #endif
1260
1261 #ifdef TARGET_NR_umount
1262 static void
1263 print_umount(const struct syscallname *name,
1264     abi_long arg0, abi_long arg1, abi_long arg2,
1265     abi_long arg3, abi_long arg4, abi_long arg5)
1266 {
1267     print_syscall_prologue(name);
1268     print_string(arg0, 1);
1269     print_syscall_epilogue(name);
1270 }
1271 #endif
1272
1273 #ifdef TARGET_NR_umount2
1274 static void
1275 print_umount2(const struct syscallname *name,
1276     abi_long arg0, abi_long arg1, abi_long arg2,
1277     abi_long arg3, abi_long arg4, abi_long arg5)
1278 {
1279     print_syscall_prologue(name);
1280     print_string(arg0, 0);
1281     print_flags(umount2_flags, arg1, 1);
1282     print_syscall_epilogue(name);
1283 }
1284 #endif
1285
1286 #ifdef TARGET_NR_unlink
1287 static void
1288 print_unlink(const struct syscallname *name,
1289     abi_long arg0, abi_long arg1, abi_long arg2,
1290     abi_long arg3, abi_long arg4, abi_long arg5)
1291 {
1292     print_syscall_prologue(name);
1293     print_string(arg0, 1);
1294     print_syscall_epilogue(name);
1295 }
1296 #endif
1297
1298 #ifdef TARGET_NR_unlinkat
1299 static void
1300 print_unlinkat(const struct syscallname *name,
1301     abi_long arg0, abi_long arg1, abi_long arg2,
1302     abi_long arg3, abi_long arg4, abi_long arg5)
1303 {
1304     print_syscall_prologue(name);
1305     print_at_dirfd(arg0, 0);
1306     print_string(arg1, 0);
1307     print_flags(unlinkat_flags, arg2, 1);
1308     print_syscall_epilogue(name);
1309 }
1310 #endif
1311
1312 #ifdef TARGET_NR_utime
1313 static void
1314 print_utime(const struct syscallname *name,
1315     abi_long arg0, abi_long arg1, abi_long arg2,
1316     abi_long arg3, abi_long arg4, abi_long arg5)
1317 {
1318     print_syscall_prologue(name);
1319     print_string(arg0, 0);
1320     print_pointer(arg1, 1);
1321     print_syscall_epilogue(name);
1322 }
1323 #endif
1324
1325 #ifdef TARGET_NR_utimes
1326 static void
1327 print_utimes(const struct syscallname *name,
1328     abi_long arg0, abi_long arg1, abi_long arg2,
1329     abi_long arg3, abi_long arg4, abi_long arg5)
1330 {
1331     print_syscall_prologue(name);
1332     print_string(arg0, 0);
1333     print_pointer(arg1, 1);
1334     print_syscall_epilogue(name);
1335 }
1336 #endif
1337
1338 #ifdef TARGET_NR_utimensat
1339 static void
1340 print_utimensat(const struct syscallname *name,
1341     abi_long arg0, abi_long arg1, abi_long arg2,
1342     abi_long arg3, abi_long arg4, abi_long arg5)
1343 {
1344     print_syscall_prologue(name);
1345     print_at_dirfd(arg0, 0);
1346     print_string(arg1, 0);
1347     print_pointer(arg2, 0);
1348     print_flags(at_file_flags, arg3, 1);
1349     print_syscall_epilogue(name);
1350 }
1351 #endif
1352
1353 #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2)
1354 static void
1355 print_mmap(const struct syscallname *name,
1356     abi_long arg0, abi_long arg1, abi_long arg2,
1357     abi_long arg3, abi_long arg4, abi_long arg5)
1358 {
1359     print_syscall_prologue(name);
1360     print_pointer(arg0, 0);
1361     print_raw_param("%d", arg1, 0);
1362     print_flags(mmap_prot_flags, arg2, 0);
1363     print_flags(mmap_flags, arg3, 0);
1364     print_raw_param("%d", arg4, 0);
1365     print_raw_param("%#x", arg5, 1);
1366     print_syscall_epilogue(name);
1367 }
1368 #define print_mmap2     print_mmap
1369 #endif
1370
1371 #ifdef TARGET_NR_mprotect
1372 static void
1373 print_mprotect(const struct syscallname *name,
1374     abi_long arg0, abi_long arg1, abi_long arg2,
1375     abi_long arg3, abi_long arg4, abi_long arg5)
1376 {
1377     print_syscall_prologue(name);
1378     print_pointer(arg0, 0);
1379     print_raw_param("%d", arg1, 0);
1380     print_flags(mmap_prot_flags, arg2, 1);
1381     print_syscall_epilogue(name);
1382 }
1383 #endif
1384
1385 #ifdef TARGET_NR_munmap
1386 static void
1387 print_munmap(const struct syscallname *name,
1388     abi_long arg0, abi_long arg1, abi_long arg2,
1389     abi_long arg3, abi_long arg4, abi_long arg5)
1390 {
1391     print_syscall_prologue(name);
1392     print_pointer(arg0, 0);
1393     print_raw_param("%d", arg1, 1);
1394     print_syscall_epilogue(name);
1395 }
1396 #endif
1397
1398 #ifdef TARGET_NR_futex
1399 static void print_futex_op(abi_long tflag, int last)
1400 {
1401 #define print_op(val) \
1402 if( cmd == val ) { \
1403     gemu_log(#val); \
1404     return; \
1405 }
1406
1407     int cmd = (int)tflag;
1408 #ifdef FUTEX_PRIVATE_FLAG
1409     if (cmd & FUTEX_PRIVATE_FLAG) {
1410         gemu_log("FUTEX_PRIVATE_FLAG|");
1411         cmd &= ~FUTEX_PRIVATE_FLAG;
1412     }
1413 #endif
1414     print_op(FUTEX_WAIT)
1415     print_op(FUTEX_WAKE)
1416     print_op(FUTEX_FD)
1417     print_op(FUTEX_REQUEUE)
1418     print_op(FUTEX_CMP_REQUEUE)
1419     print_op(FUTEX_WAKE_OP)
1420     print_op(FUTEX_LOCK_PI)
1421     print_op(FUTEX_UNLOCK_PI)
1422     print_op(FUTEX_TRYLOCK_PI)
1423 #ifdef FUTEX_WAIT_BITSET
1424     print_op(FUTEX_WAIT_BITSET)
1425 #endif
1426 #ifdef FUTEX_WAKE_BITSET
1427     print_op(FUTEX_WAKE_BITSET)
1428 #endif
1429     /* unknown values */
1430     gemu_log("%d",cmd);
1431 }
1432
1433 static void
1434 print_futex(const struct syscallname *name,
1435     abi_long arg0, abi_long arg1, abi_long arg2,
1436     abi_long arg3, abi_long arg4, abi_long arg5)
1437 {
1438     print_syscall_prologue(name);
1439     print_pointer(arg0, 0);
1440     print_futex_op(arg1, 0);
1441     print_raw_param(",%d", arg2, 0);
1442     print_pointer(arg3, 0); /* struct timespec */
1443     print_pointer(arg4, 0);
1444     print_raw_param("%d", arg4, 1);
1445     print_syscall_epilogue(name);
1446 }
1447 #endif
1448
1449 #ifdef TARGET_NR_kill
1450 static void
1451 print_kill(const struct syscallname *name,
1452     abi_long arg0, abi_long arg1, abi_long arg2,
1453     abi_long arg3, abi_long arg4, abi_long arg5)
1454 {
1455     print_syscall_prologue(name);
1456     print_raw_param("%d", arg0, 0);
1457     print_signal(arg1, 1);
1458     print_syscall_epilogue(name);
1459 }
1460 #endif
1461
1462 /*
1463  * An array of all of the syscalls we know about
1464  */
1465
1466 static const struct syscallname scnames[] = {
1467 #include "strace.list"
1468 };
1469
1470 static int nsyscalls = ARRAY_SIZE(scnames);
1471
1472 /*
1473  * The public interface to this module.
1474  */
1475 void
1476 print_syscall(int num,
1477               abi_long arg1, abi_long arg2, abi_long arg3,
1478               abi_long arg4, abi_long arg5, abi_long arg6)
1479 {
1480     int i;
1481     const char *format="%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")";
1482
1483     gemu_log("%d ", getpid() );
1484
1485     for(i=0;i<nsyscalls;i++)
1486         if( scnames[i].nr == num ) {
1487             if( scnames[i].call != NULL ) {
1488                 scnames[i].call(&scnames[i],arg1,arg2,arg3,arg4,arg5,arg6);
1489             } else {
1490                 /* XXX: this format system is broken because it uses
1491                    host types and host pointers for strings */
1492                 if( scnames[i].format != NULL )
1493                     format = scnames[i].format;
1494                 gemu_log(format,scnames[i].name, arg1,arg2,arg3,arg4,arg5,arg6);
1495             }
1496             return;
1497         }
1498     gemu_log("Unknown syscall %d\n", num);
1499 }
1500
1501
1502 void
1503 print_syscall_ret(int num, abi_long ret)
1504 {
1505     int i;
1506
1507     for(i=0;i<nsyscalls;i++)
1508         if( scnames[i].nr == num ) {
1509             if( scnames[i].result != NULL ) {
1510                 scnames[i].result(&scnames[i],ret);
1511             } else {
1512                 if( ret < 0 ) {
1513                     gemu_log(" = -1 errno=" TARGET_ABI_FMT_ld " (%s)\n", -ret, target_strerror(-ret));
1514                 } else {
1515                     gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
1516                 }
1517             }
1518             break;
1519         }
1520 }