linux-user/strace.c

   1 #include "qemu/osdep.h"
   2 #include <sys/ipc.h>
   3 #include <sys/msg.h>
   4 #include <sys/sem.h>
   5 #include <sys/shm.h>
   6 #include <sys/select.h>
   7 #include <sys/mount.h>
   8 #include <arpa/inet.h>
   9 #include <netinet/tcp.h>
  10 #include <linux/if_packet.h>
  11 #include <linux/netlink.h>
  12 #include <sched.h>
  13 #include "qemu.h"
  14
  15 struct syscallname {
  16     int nr;
  17     const char *name;
  18     const char *format;
  19     void (*call)(const struct syscallname *,
  20                  abi_long, abi_long, abi_long,
  21                  abi_long, abi_long, abi_long);
  22     void (*result)(const struct syscallname *, abi_long,
  23                    abi_long, abi_long, abi_long,
  24                    abi_long, abi_long, 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_buf(abi_long addr, abi_long len, int last);
  65 UNUSED static void print_raw_param(const char *, abi_long, int);
  66 UNUSED static void print_timeval(abi_ulong, int);
  67 UNUSED static void print_timezone(abi_ulong, int);
  68 UNUSED static void print_number(abi_long, int);
  69 UNUSED static void print_signal(abi_ulong, int);
  70 UNUSED static void print_sockaddr(abi_ulong, abi_long, int);
  71 UNUSED static void print_socket_domain(int domain);
  72 UNUSED static void print_socket_type(int type);
  73 UNUSED static void print_socket_protocol(int domain, int type, int protocol);
  74
  75 /*
  76  * Utility functions
  77  */
  78 static void
  79 print_ipc_cmd(int cmd)
  80 {
  81 #define output_cmd(val) \
  82 if( cmd == val ) { \
  83     qemu_log(#val); \
  84     return; \
  85 }
  86
  87     cmd &= 0xff;
  88
  89     /* General IPC commands */
  90     output_cmd( IPC_RMID );
  91     output_cmd( IPC_SET );
  92     output_cmd( IPC_STAT );
  93     output_cmd( IPC_INFO );
  94     /* msgctl() commands */
  95     output_cmd( MSG_STAT );
  96     output_cmd( MSG_INFO );
  97     /* shmctl() commands */
  98     output_cmd( SHM_LOCK );
  99     output_cmd( SHM_UNLOCK );
 100     output_cmd( SHM_STAT );
 101     output_cmd( SHM_INFO );
 102     /* semctl() commands */
 103     output_cmd( GETPID );
 104     output_cmd( GETVAL );
 105     output_cmd( GETALL );
 106     output_cmd( GETNCNT );
 107     output_cmd( GETZCNT );
 108     output_cmd( SETVAL );
 109     output_cmd( SETALL );
 110     output_cmd( SEM_STAT );
 111     output_cmd( SEM_INFO );
 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     output_cmd( IPC_RMID );
 118     output_cmd( IPC_RMID );
 119     output_cmd( IPC_RMID );
 120     output_cmd( IPC_RMID );
 121
 122     /* Some value we don't recognize */
 123     qemu_log("%d", cmd);
 124 }
 125
 126 static void
 127 print_signal(abi_ulong arg, int last)
 128 {
 129     const char *signal_name = NULL;
 130     switch(arg) {
 131     case TARGET_SIGHUP: signal_name = "SIGHUP"; break;
 132     case TARGET_SIGINT: signal_name = "SIGINT"; break;
 133     case TARGET_SIGQUIT: signal_name = "SIGQUIT"; break;
 134     case TARGET_SIGILL: signal_name = "SIGILL"; break;
 135     case TARGET_SIGABRT: signal_name = "SIGABRT"; break;
 136     case TARGET_SIGFPE: signal_name = "SIGFPE"; break;
 137     case TARGET_SIGKILL: signal_name = "SIGKILL"; break;
 138     case TARGET_SIGSEGV: signal_name = "SIGSEGV"; break;
 139     case TARGET_SIGPIPE: signal_name = "SIGPIPE"; break;
 140     case TARGET_SIGALRM: signal_name = "SIGALRM"; break;
 141     case TARGET_SIGTERM: signal_name = "SIGTERM"; break;
 142     case TARGET_SIGUSR1: signal_name = "SIGUSR1"; break;
 143     case TARGET_SIGUSR2: signal_name = "SIGUSR2"; break;
 144     case TARGET_SIGCHLD: signal_name = "SIGCHLD"; break;
 145     case TARGET_SIGCONT: signal_name = "SIGCONT"; break;
 146     case TARGET_SIGSTOP: signal_name = "SIGSTOP"; break;
 147     case TARGET_SIGTTIN: signal_name = "SIGTTIN"; break;
 148     case TARGET_SIGTTOU: signal_name = "SIGTTOU"; break;
 149     }
 150     if (signal_name == NULL) {
 151         print_raw_param("%ld", arg, last);
 152         return;
 153     }
 154     qemu_log("%s%s", signal_name, get_comma(last));
 155 }
 156
 157 static void print_si_code(int arg)
 158 {
 159     const char *codename = NULL;
 160
 161     switch (arg) {
 162     case SI_USER:
 163         codename = "SI_USER";
 164         break;
 165     case SI_KERNEL:
 166         codename = "SI_KERNEL";
 167         break;
 168     case SI_QUEUE:
 169         codename = "SI_QUEUE";
 170         break;
 171     case SI_TIMER:
 172         codename = "SI_TIMER";
 173         break;
 174     case SI_MESGQ:
 175         codename = "SI_MESGQ";
 176         break;
 177     case SI_ASYNCIO:
 178         codename = "SI_ASYNCIO";
 179         break;
 180     case SI_SIGIO:
 181         codename = "SI_SIGIO";
 182         break;
 183     case SI_TKILL:
 184         codename = "SI_TKILL";
 185         break;
 186     default:
 187         qemu_log("%d", arg);
 188         return;
 189     }
 190     qemu_log("%s", codename);
 191 }
 192
 193 static void get_target_siginfo(target_siginfo_t *tinfo,
 194                                 const target_siginfo_t *info)
 195 {
 196     abi_ulong sival_ptr;
 197
 198     int sig;
 199     int si_errno;
 200     int si_code;
 201     int si_type;
 202
 203     __get_user(sig, &info->si_signo);
 204     __get_user(si_errno, &tinfo->si_errno);
 205     __get_user(si_code, &info->si_code);
 206
 207     tinfo->si_signo = sig;
 208     tinfo->si_errno = si_errno;
 209     tinfo->si_code = si_code;
 210
 211     /* Ensure we don't leak random junk to the guest later */
 212     memset(tinfo->_sifields._pad, 0, sizeof(tinfo->_sifields._pad));
 213
 214     /* This is awkward, because we have to use a combination of
 215      * the si_code and si_signo to figure out which of the union's
 216      * members are valid. (Within the host kernel it is always possible
 217      * to tell, but the kernel carefully avoids giving userspace the
 218      * high 16 bits of si_code, so we don't have the information to
 219      * do this the easy way...) We therefore make our best guess,
 220      * bearing in mind that a guest can spoof most of the si_codes
 221      * via rt_sigqueueinfo() if it likes.
 222      *
 223      * Once we have made our guess, we record it in the top 16 bits of
 224      * the si_code, so that print_siginfo() later can use it.
 225      * print_siginfo() will strip these top bits out before printing
 226      * the si_code.
 227      */
 228
 229     switch (si_code) {
 230     case SI_USER:
 231     case SI_TKILL:
 232     case SI_KERNEL:
 233         /* Sent via kill(), tkill() or tgkill(), or direct from the kernel.
 234          * These are the only unspoofable si_code values.
 235          */
 236         __get_user(tinfo->_sifields._kill._pid, &info->_sifields._kill._pid);
 237         __get_user(tinfo->_sifields._kill._uid, &info->_sifields._kill._uid);
 238         si_type = QEMU_SI_KILL;
 239         break;
 240     default:
 241         /* Everything else is spoofable. Make best guess based on signal */
 242         switch (sig) {
 243         case TARGET_SIGCHLD:
 244             __get_user(tinfo->_sifields._sigchld._pid,
 245                        &info->_sifields._sigchld._pid);
 246             __get_user(tinfo->_sifields._sigchld._uid,
 247                        &info->_sifields._sigchld._uid);
 248             __get_user(tinfo->_sifields._sigchld._status,
 249                        &info->_sifields._sigchld._status);
 250             __get_user(tinfo->_sifields._sigchld._utime,
 251                        &info->_sifields._sigchld._utime);
 252             __get_user(tinfo->_sifields._sigchld._stime,
 253                        &info->_sifields._sigchld._stime);
 254             si_type = QEMU_SI_CHLD;
 255             break;
 256         case TARGET_SIGIO:
 257             __get_user(tinfo->_sifields._sigpoll._band,
 258                        &info->_sifields._sigpoll._band);
 259             __get_user(tinfo->_sifields._sigpoll._fd,
 260                        &info->_sifields._sigpoll._fd);
 261             si_type = QEMU_SI_POLL;
 262             break;
 263         default:
 264             /* Assume a sigqueue()/mq_notify()/rt_sigqueueinfo() source. */
 265             __get_user(tinfo->_sifields._rt._pid, &info->_sifields._rt._pid);
 266             __get_user(tinfo->_sifields._rt._uid, &info->_sifields._rt._uid);
 267             /* XXX: potential problem if 64 bit */
 268             __get_user(sival_ptr, &info->_sifields._rt._sigval.sival_ptr);
 269             tinfo->_sifields._rt._sigval.sival_ptr = sival_ptr;
 270
 271             si_type = QEMU_SI_RT;
 272             break;
 273         }
 274         break;
 275     }
 276
 277     tinfo->si_code = deposit32(si_code, 16, 16, si_type);
 278 }
 279
 280 static void print_siginfo(const target_siginfo_t *tinfo)
 281 {
 282     /* Print a target_siginfo_t in the format desired for printing
 283      * signals being taken. We assume the target_siginfo_t is in the
 284      * internal form where the top 16 bits of si_code indicate which
 285      * part of the union is valid, rather than in the guest-visible
 286      * form where the bottom 16 bits are sign-extended into the top 16.
 287      */
 288     int si_type = extract32(tinfo->si_code, 16, 16);
 289     int si_code = sextract32(tinfo->si_code, 0, 16);
 290
 291     qemu_log("{si_signo=");
 292     print_signal(tinfo->si_signo, 1);
 293     qemu_log(", si_code=");
 294     print_si_code(si_code);
 295
 296     switch (si_type) {
 297     case QEMU_SI_KILL:
 298         qemu_log(", si_pid=%u, si_uid=%u",
 299                  (unsigned int)tinfo->_sifields._kill._pid,
 300                  (unsigned int)tinfo->_sifields._kill._uid);
 301         break;
 302     case QEMU_SI_TIMER:
 303         qemu_log(", si_timer1=%u, si_timer2=%u",
 304                  tinfo->_sifields._timer._timer1,
 305                  tinfo->_sifields._timer._timer2);
 306         break;
 307     case QEMU_SI_POLL:
 308         qemu_log(", si_band=%d, si_fd=%d",
 309                  tinfo->_sifields._sigpoll._band,
 310                  tinfo->_sifields._sigpoll._fd);
 311         break;
 312     case QEMU_SI_FAULT:
 313         qemu_log(", si_addr=");
 314         print_pointer(tinfo->_sifields._sigfault._addr, 1);
 315         break;
 316     case QEMU_SI_CHLD:
 317         qemu_log(", si_pid=%u, si_uid=%u, si_status=%d"
 318                  ", si_utime=" TARGET_ABI_FMT_ld
 319                  ", si_stime=" TARGET_ABI_FMT_ld,
 320                  (unsigned int)(tinfo->_sifields._sigchld._pid),
 321                  (unsigned int)(tinfo->_sifields._sigchld._uid),
 322                  tinfo->_sifields._sigchld._status,
 323                  tinfo->_sifields._sigchld._utime,
 324                  tinfo->_sifields._sigchld._stime);
 325         break;
 326     case QEMU_SI_RT:
 327         qemu_log(", si_pid=%u, si_uid=%u, si_sigval=" TARGET_ABI_FMT_ld,
 328                  (unsigned int)tinfo->_sifields._rt._pid,
 329                  (unsigned int)tinfo->_sifields._rt._uid,
 330                  tinfo->_sifields._rt._sigval.sival_ptr);
 331         break;
 332     default:
 333         g_assert_not_reached();
 334     }
 335     qemu_log("}");
 336 }
 337
 338 static void
 339 print_sockaddr(abi_ulong addr, abi_long addrlen, int last)
 340 {
 341     struct target_sockaddr *sa;
 342     int i;
 343     int sa_family;
 344
 345     sa = lock_user(VERIFY_READ, addr, addrlen, 1);
 346     if (sa) {
 347         sa_family = tswap16(sa->sa_family);
 348         switch (sa_family) {
 349         case AF_UNIX: {
 350             struct target_sockaddr_un *un = (struct target_sockaddr_un *)sa;
 351             int i;
 352             qemu_log("{sun_family=AF_UNIX,sun_path=\"");
 353             for (i = 0; i < addrlen -
 354                             offsetof(struct target_sockaddr_un, sun_path) &&
 355                  un->sun_path[i]; i++) {
 356                 qemu_log("%c", un->sun_path[i]);
 357             }
 358             qemu_log("\"}");
 359             break;
 360         }
 361         case AF_INET: {
 362             struct target_sockaddr_in *in = (struct target_sockaddr_in *)sa;
 363             uint8_t *c = (uint8_t *)&in->sin_addr.s_addr;
 364             qemu_log("{sin_family=AF_INET,sin_port=htons(%d),",
 365                      ntohs(in->sin_port));
 366             qemu_log("sin_addr=inet_addr(\"%d.%d.%d.%d\")",
 367                      c[0], c[1], c[2], c[3]);
 368             qemu_log("}");
 369             break;
 370         }
 371         case AF_PACKET: {
 372             struct target_sockaddr_ll *ll = (struct target_sockaddr_ll *)sa;
 373             uint8_t *c = (uint8_t *)&ll->sll_addr;
 374             qemu_log("{sll_family=AF_PACKET,"
 375                      "sll_protocol=htons(0x%04x),if%d,pkttype=",
 376                      ntohs(ll->sll_protocol), ll->sll_ifindex);
 377             switch (ll->sll_pkttype) {
 378             case PACKET_HOST:
 379                 qemu_log("PACKET_HOST");
 380                 break;
 381             case PACKET_BROADCAST:
 382                 qemu_log("PACKET_BROADCAST");
 383                 break;
 384             case PACKET_MULTICAST:
 385                 qemu_log("PACKET_MULTICAST");
 386                 break;
 387             case PACKET_OTHERHOST:
 388                 qemu_log("PACKET_OTHERHOST");
 389                 break;
 390             case PACKET_OUTGOING:
 391                 qemu_log("PACKET_OUTGOING");
 392                 break;
 393             default:
 394                 qemu_log("%d", ll->sll_pkttype);
 395                 break;
 396             }
 397             qemu_log(",sll_addr=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
 398                      c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
 399             qemu_log("}");
 400             break;
 401         }
 402         case AF_NETLINK: {
 403             struct target_sockaddr_nl *nl = (struct target_sockaddr_nl *)sa;
 404             qemu_log("{nl_family=AF_NETLINK,nl_pid=%u,nl_groups=%u}",
 405                      tswap32(nl->nl_pid), tswap32(nl->nl_groups));
 406             break;
 407         }
 408         default:
 409             qemu_log("{sa_family=%d, sa_data={", sa->sa_family);
 410             for (i = 0; i < 13; i++) {
 411                 qemu_log("%02x, ", sa->sa_data[i]);
 412             }
 413             qemu_log("%02x}", sa->sa_data[i]);
 414             qemu_log("}");
 415             break;
 416         }
 417         unlock_user(sa, addr, 0);
 418     } else {
 419         print_raw_param("0x"TARGET_ABI_FMT_lx, addr, 0);
 420     }
 421     qemu_log(", "TARGET_ABI_FMT_ld"%s", addrlen, get_comma(last));
 422 }
 423
 424 static void
 425 print_socket_domain(int domain)
 426 {
 427     switch (domain) {
 428     case PF_UNIX:
 429         qemu_log("PF_UNIX");
 430         break;
 431     case PF_INET:
 432         qemu_log("PF_INET");
 433         break;
 434     case PF_NETLINK:
 435         qemu_log("PF_NETLINK");
 436         break;
 437     case PF_PACKET:
 438         qemu_log("PF_PACKET");
 439         break;
 440     default:
 441         qemu_log("%d", domain);
 442         break;
 443     }
 444 }
 445
 446 static void
 447 print_socket_type(int type)
 448 {
 449     switch (type & TARGET_SOCK_TYPE_MASK) {
 450     case TARGET_SOCK_DGRAM:
 451         qemu_log("SOCK_DGRAM");
 452         break;
 453     case TARGET_SOCK_STREAM:
 454         qemu_log("SOCK_STREAM");
 455         break;
 456     case TARGET_SOCK_RAW:
 457         qemu_log("SOCK_RAW");
 458         break;
 459     case TARGET_SOCK_RDM:
 460         qemu_log("SOCK_RDM");
 461         break;
 462     case TARGET_SOCK_SEQPACKET:
 463         qemu_log("SOCK_SEQPACKET");
 464         break;
 465     case TARGET_SOCK_PACKET:
 466         qemu_log("SOCK_PACKET");
 467         break;
 468     }
 469     if (type & TARGET_SOCK_CLOEXEC) {
 470         qemu_log("|SOCK_CLOEXEC");
 471     }
 472     if (type & TARGET_SOCK_NONBLOCK) {
 473         qemu_log("|SOCK_NONBLOCK");
 474     }
 475 }
 476
 477 static void
 478 print_socket_protocol(int domain, int type, int protocol)
 479 {
 480     if (domain == AF_PACKET ||
 481         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
 482         switch (protocol) {
 483         case 0x0003:
 484             qemu_log("ETH_P_ALL");
 485             break;
 486         default:
 487             qemu_log("%d", protocol);
 488         }
 489         return;
 490     }
 491
 492     if (domain == PF_NETLINK) {
 493         switch (protocol) {
 494         case NETLINK_ROUTE:
 495             qemu_log("NETLINK_ROUTE");
 496             break;
 497         case NETLINK_AUDIT:
 498             qemu_log("NETLINK_AUDIT");
 499             break;
 500         case NETLINK_NETFILTER:
 501             qemu_log("NETLINK_NETFILTER");
 502             break;
 503         case NETLINK_KOBJECT_UEVENT:
 504             qemu_log("NETLINK_KOBJECT_UEVENT");
 505             break;
 506         case NETLINK_RDMA:
 507             qemu_log("NETLINK_RDMA");
 508             break;
 509         case NETLINK_CRYPTO:
 510             qemu_log("NETLINK_CRYPTO");
 511             break;
 512         default:
 513             qemu_log("%d", protocol);
 514             break;
 515         }
 516         return;
 517     }
 518
 519     switch (protocol) {
 520     case IPPROTO_IP:
 521         qemu_log("IPPROTO_IP");
 522         break;
 523     case IPPROTO_TCP:
 524         qemu_log("IPPROTO_TCP");
 525         break;
 526     case IPPROTO_UDP:
 527         qemu_log("IPPROTO_UDP");
 528         break;
 529     case IPPROTO_RAW:
 530         qemu_log("IPPROTO_RAW");
 531         break;
 532     default:
 533         qemu_log("%d", protocol);
 534         break;
 535     }
 536 }
 537
 538
 539 #ifdef TARGET_NR__newselect
 540 static void
 541 print_fdset(int n, abi_ulong target_fds_addr)
 542 {
 543     int i;
 544
 545     qemu_log("[");
 546     if( target_fds_addr ) {
 547         abi_long *target_fds;
 548
 549         target_fds = lock_user(VERIFY_READ,
 550                                target_fds_addr,
 551                                sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
 552                                1);
 553
 554         if (!target_fds)
 555             return;
 556
 557         for (i=n; i>=0; i--) {
 558             if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >> (i & (TARGET_ABI_BITS - 1))) & 1)
 559                 qemu_log("%d,", i);
 560             }
 561         unlock_user(target_fds, target_fds_addr, 0);
 562     }
 563     qemu_log("]");
 564 }
 565 #endif
 566
 567 #ifdef TARGET_NR_clock_adjtime
 568 /* IDs of the various system clocks */
 569 #define TARGET_CLOCK_REALTIME              0
 570 #define TARGET_CLOCK_MONOTONIC             1
 571 #define TARGET_CLOCK_PROCESS_CPUTIME_ID    2
 572 #define TARGET_CLOCK_THREAD_CPUTIME_ID     3
 573 #define TARGET_CLOCK_MONOTONIC_RAW         4
 574 #define TARGET_CLOCK_REALTIME_COARSE       5
 575 #define TARGET_CLOCK_MONOTONIC_COARSE      6
 576 #define TARGET_CLOCK_BOOTTIME              7
 577 #define TARGET_CLOCK_REALTIME_ALARM        8
 578 #define TARGET_CLOCK_BOOTTIME_ALARM        9
 579 #define TARGET_CLOCK_SGI_CYCLE             10
 580 #define TARGET_CLOCK_TAI                   11
 581
 582 static void
 583 print_clockid(int clockid, int last)
 584 {
 585     switch (clockid) {
 586     case TARGET_CLOCK_REALTIME:
 587         qemu_log("CLOCK_REALTIME");
 588         break;
 589     case TARGET_CLOCK_MONOTONIC:
 590         qemu_log("CLOCK_MONOTONIC");
 591         break;
 592     case TARGET_CLOCK_PROCESS_CPUTIME_ID:
 593         qemu_log("CLOCK_PROCESS_CPUTIME_ID");
 594         break;
 595     case TARGET_CLOCK_THREAD_CPUTIME_ID:
 596         qemu_log("CLOCK_THREAD_CPUTIME_ID");
 597         break;
 598     case TARGET_CLOCK_MONOTONIC_RAW:
 599         qemu_log("CLOCK_MONOTONIC_RAW");
 600         break;
 601     case TARGET_CLOCK_REALTIME_COARSE:
 602         qemu_log("CLOCK_REALTIME_COARSE");
 603         break;
 604     case TARGET_CLOCK_MONOTONIC_COARSE:
 605         qemu_log("CLOCK_MONOTONIC_COARSE");
 606         break;
 607     case TARGET_CLOCK_BOOTTIME:
 608         qemu_log("CLOCK_BOOTTIME");
 609         break;
 610     case TARGET_CLOCK_REALTIME_ALARM:
 611         qemu_log("CLOCK_REALTIME_ALARM");
 612         break;
 613     case TARGET_CLOCK_BOOTTIME_ALARM:
 614         qemu_log("CLOCK_BOOTTIME_ALARM");
 615         break;
 616     case TARGET_CLOCK_SGI_CYCLE:
 617         qemu_log("CLOCK_SGI_CYCLE");
 618         break;
 619     case TARGET_CLOCK_TAI:
 620         qemu_log("CLOCK_TAI");
 621         break;
 622     default:
 623         qemu_log("%d", clockid);
 624         break;
 625     }
 626     qemu_log("%s", get_comma(last));
 627 }
 628 #endif
 629
 630 /*
 631  * Sysycall specific output functions
 632  */
 633
 634 /* select */
 635 #ifdef TARGET_NR__newselect
 636 static void
 637 print_newselect(const struct syscallname *name,
 638                 abi_long arg1, abi_long arg2, abi_long arg3,
 639                 abi_long arg4, abi_long arg5, abi_long arg6)
 640 {
 641     print_syscall_prologue(name);
 642     print_fdset(arg1, arg2);
 643     qemu_log(",");
 644     print_fdset(arg1, arg3);
 645     qemu_log(",");
 646     print_fdset(arg1, arg4);
 647     qemu_log(",");
 648     print_timeval(arg5, 1);
 649     print_syscall_epilogue(name);
 650 }
 651 #endif
 652
 653 #ifdef TARGET_NR_semctl
 654 static void
 655 print_semctl(const struct syscallname *name,
 656              abi_long arg1, abi_long arg2, abi_long arg3,
 657              abi_long arg4, abi_long arg5, abi_long arg6)
 658 {
 659     qemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",",
 660              name->name, arg1, arg2);
 661     print_ipc_cmd(arg3);
 662     qemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
 663 }
 664 #endif
 665
 666 static void
 667 print_execve(const struct syscallname *name,
 668              abi_long arg1, abi_long arg2, abi_long arg3,
 669              abi_long arg4, abi_long arg5, abi_long arg6)
 670 {
 671     abi_ulong arg_ptr_addr;
 672     char *s;
 673
 674     if (!(s = lock_user_string(arg1)))
 675         return;
 676     qemu_log("%s(\"%s\",{", name->name, s);
 677     unlock_user(s, arg1, 0);
 678
 679     for (arg_ptr_addr = arg2; ; arg_ptr_addr += sizeof(abi_ulong)) {
 680         abi_ulong *arg_ptr, arg_addr;
 681
 682         arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
 683         if (!arg_ptr)
 684             return;
 685     arg_addr = tswapal(*arg_ptr);
 686         unlock_user(arg_ptr, arg_ptr_addr, 0);
 687         if (!arg_addr)
 688             break;
 689         if ((s = lock_user_string(arg_addr))) {
 690             qemu_log("\"%s\",", s);
 691             unlock_user(s, arg_addr, 0);
 692         }
 693     }
 694
 695     qemu_log("NULL})");
 696 }
 697
 698 #ifdef TARGET_NR_ipc
 699 static void
 700 print_ipc(const struct syscallname *name,
 701           abi_long arg1, abi_long arg2, abi_long arg3,
 702           abi_long arg4, abi_long arg5, abi_long arg6)
 703 {
 704     switch(arg1) {
 705     case IPCOP_semctl:
 706         qemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",",
 707                  arg1, arg2);
 708         print_ipc_cmd(arg3);
 709         qemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
 710         break;
 711     default:
 712         qemu_log(("%s("
 713                   TARGET_ABI_FMT_ld ","
 714                   TARGET_ABI_FMT_ld ","
 715                   TARGET_ABI_FMT_ld ","
 716                   TARGET_ABI_FMT_ld
 717                   ")"),
 718                  name->name, arg1, arg2, arg3, arg4);
 719     }
 720 }
 721 #endif
 722
 723 /*
 724  * Variants for the return value output function
 725  */
 726
 727 static void
 728 print_syscall_err(abi_long ret)
 729 {
 730     const char *errstr = NULL;
 731
 732     qemu_log(" = ");
 733     if (ret < 0) {
 734         qemu_log("-1 errno=%d", (int)-ret);
 735         errstr = target_strerror(-ret);
 736         if (errstr) {
 737             qemu_log(" (%s)", errstr);
 738         }
 739     }
 740 }
 741
 742 static void
 743 print_syscall_ret_addr(const struct syscallname *name, abi_long ret,
 744                        abi_long arg0, abi_long arg1, abi_long arg2,
 745                        abi_long arg3, abi_long arg4, abi_long arg5)
 746 {
 747     print_syscall_err(ret);
 748
 749     if (ret >= 0) {
 750         qemu_log("0x" TARGET_ABI_FMT_lx "\n", ret);
 751     }
 752 }
 753
 754 #if 0 /* currently unused */
 755 static void
 756 print_syscall_ret_raw(struct syscallname *name, abi_long ret)
 757 {
 758         qemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
 759 }
 760 #endif
 761
 762 #ifdef TARGET_NR__newselect
 763 static void
 764 print_syscall_ret_newselect(const struct syscallname *name, abi_long ret,
 765                             abi_long arg0, abi_long arg1, abi_long arg2,
 766                             abi_long arg3, abi_long arg4, abi_long arg5)
 767 {
 768     print_syscall_err(ret);
 769
 770     if (ret >= 0) {
 771         qemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
 772         print_fdset(arg0, arg1);
 773         qemu_log(",");
 774         print_fdset(arg0, arg2);
 775         qemu_log(",");
 776         print_fdset(arg0, arg3);
 777         qemu_log(",");
 778         print_timeval(arg4, 1);
 779         qemu_log(")");
 780     }
 781
 782     qemu_log("\n");
 783 }
 784 #endif
 785
 786 /* special meanings of adjtimex()' non-negative return values */
 787 #define TARGET_TIME_OK       0   /* clock synchronized, no leap second */
 788 #define TARGET_TIME_INS      1   /* insert leap second */
 789 #define TARGET_TIME_DEL      2   /* delete leap second */
 790 #define TARGET_TIME_OOP      3   /* leap second in progress */
 791 #define TARGET_TIME_WAIT     4   /* leap second has occurred */
 792 #define TARGET_TIME_ERROR    5   /* clock not synchronized */
 793 #ifdef TARGET_NR_adjtimex
 794 static void
 795 print_syscall_ret_adjtimex(const struct syscallname *name, abi_long ret,
 796                            abi_long arg0, abi_long arg1, abi_long arg2,
 797                            abi_long arg3, abi_long arg4, abi_long arg5)
 798 {
 799     print_syscall_err(ret);
 800
 801     if (ret >= 0) {
 802         qemu_log(TARGET_ABI_FMT_ld, ret);
 803         switch (ret) {
 804         case TARGET_TIME_OK:
 805             qemu_log(" TIME_OK (clock synchronized, no leap second)");
 806             break;
 807         case TARGET_TIME_INS:
 808             qemu_log(" TIME_INS (insert leap second)");
 809             break;
 810         case TARGET_TIME_DEL:
 811             qemu_log(" TIME_DEL (delete leap second)");
 812             break;
 813         case TARGET_TIME_OOP:
 814             qemu_log(" TIME_OOP (leap second in progress)");
 815             break;
 816         case TARGET_TIME_WAIT:
 817             qemu_log(" TIME_WAIT (leap second has occurred)");
 818             break;
 819         case TARGET_TIME_ERROR:
 820             qemu_log(" TIME_ERROR (clock not synchronized)");
 821             break;
 822         }
 823     }
 824
 825     qemu_log("\n");
 826 }
 827 #endif
 828
 829 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr) \
 830  || defined(TARGGET_NR_flistxattr)
 831 static void
 832 print_syscall_ret_listxattr(const struct syscallname *name, abi_long ret,
 833                             abi_long arg0, abi_long arg1, abi_long arg2,
 834                             abi_long arg3, abi_long arg4, abi_long arg5)
 835 {
 836     print_syscall_err(ret);
 837
 838     if (ret >= 0) {
 839         qemu_log(TARGET_ABI_FMT_ld, ret);
 840         qemu_log(" (list = ");
 841         if (arg1 != 0) {
 842             abi_long attr = arg1;
 843             while (ret) {
 844                 if (attr != arg1) {
 845                     qemu_log(",");
 846                 }
 847                 print_string(attr, 1);
 848                 ret -= target_strlen(attr) + 1;
 849                 attr += target_strlen(attr) + 1;
 850             }
 851         } else {
 852             qemu_log("NULL");
 853         }
 854         qemu_log(")");
 855     }
 856
 857     qemu_log("\n");
 858 }
 859 #define print_syscall_ret_llistxattr     print_syscall_ret_listxattr
 860 #define print_syscall_ret_flistxattr     print_syscall_ret_listxattr
 861 #endif
 862
 863 #ifdef TARGET_NR_ioctl
 864 static void
 865 print_syscall_ret_ioctl(const struct syscallname *name, abi_long ret,
 866                         abi_long arg0, abi_long arg1, abi_long arg2,
 867                         abi_long arg3, abi_long arg4, abi_long arg5)
 868 {
 869     print_syscall_err(ret);
 870
 871     if (ret >= 0) {
 872         qemu_log(TARGET_ABI_FMT_ld, ret);
 873
 874         const IOCTLEntry *ie;
 875         const argtype *arg_type;
 876         void *argptr;
 877         int target_size;
 878
 879         for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
 880             if (ie->target_cmd == arg1) {
 881                 break;
 882             }
 883         }
 884
 885         if (ie->target_cmd == arg1 &&
 886            (ie->access == IOC_R || ie->access == IOC_RW)) {
 887             arg_type = ie->arg_type;
 888             qemu_log(" (");
 889             arg_type++;
 890             target_size = thunk_type_size(arg_type, 0);
 891             argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
 892             if (argptr) {
 893                 thunk_print(argptr, arg_type);
 894                 unlock_user(argptr, arg2, target_size);
 895             } else {
 896                 print_pointer(arg2, 1);
 897             }
 898             qemu_log(")");
 899         }
 900     }
 901     qemu_log("\n");
 902 }
 903 #endif
 904
 905 UNUSED static struct flags access_flags[] = {
 906     FLAG_GENERIC(F_OK),
 907     FLAG_GENERIC(R_OK),
 908     FLAG_GENERIC(W_OK),
 909     FLAG_GENERIC(X_OK),
 910     FLAG_END,
 911 };
 912
 913 UNUSED static struct flags at_file_flags[] = {
 914 #ifdef AT_EACCESS
 915     FLAG_GENERIC(AT_EACCESS),
 916 #endif
 917 #ifdef AT_SYMLINK_NOFOLLOW
 918     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
 919 #endif
 920     FLAG_END,
 921 };
 922
 923 UNUSED static struct flags unlinkat_flags[] = {
 924 #ifdef AT_REMOVEDIR
 925     FLAG_GENERIC(AT_REMOVEDIR),
 926 #endif
 927     FLAG_END,
 928 };
 929
 930 UNUSED static struct flags mode_flags[] = {
 931     FLAG_GENERIC(S_IFSOCK),
 932     FLAG_GENERIC(S_IFLNK),
 933     FLAG_GENERIC(S_IFREG),
 934     FLAG_GENERIC(S_IFBLK),
 935     FLAG_GENERIC(S_IFDIR),
 936     FLAG_GENERIC(S_IFCHR),
 937     FLAG_GENERIC(S_IFIFO),
 938     FLAG_END,
 939 };
 940
 941 UNUSED static struct flags open_access_flags[] = {
 942     FLAG_TARGET(O_RDONLY),
 943     FLAG_TARGET(O_WRONLY),
 944     FLAG_TARGET(O_RDWR),
 945     FLAG_END,
 946 };
 947
 948 UNUSED static struct flags open_flags[] = {
 949     FLAG_TARGET(O_APPEND),
 950     FLAG_TARGET(O_CREAT),
 951     FLAG_TARGET(O_DIRECTORY),
 952     FLAG_TARGET(O_EXCL),
 953     FLAG_TARGET(O_LARGEFILE),
 954     FLAG_TARGET(O_NOCTTY),
 955     FLAG_TARGET(O_NOFOLLOW),
 956     FLAG_TARGET(O_NONBLOCK),      /* also O_NDELAY */
 957     FLAG_TARGET(O_DSYNC),
 958     FLAG_TARGET(__O_SYNC),
 959     FLAG_TARGET(O_TRUNC),
 960 #ifdef O_DIRECT
 961     FLAG_TARGET(O_DIRECT),
 962 #endif
 963 #ifdef O_NOATIME
 964     FLAG_TARGET(O_NOATIME),
 965 #endif
 966 #ifdef O_CLOEXEC
 967     FLAG_TARGET(O_CLOEXEC),
 968 #endif
 969 #ifdef O_PATH
 970     FLAG_TARGET(O_PATH),
 971 #endif
 972 #ifdef O_TMPFILE
 973     FLAG_TARGET(O_TMPFILE),
 974     FLAG_TARGET(__O_TMPFILE),
 975 #endif
 976     FLAG_END,
 977 };
 978
 979 UNUSED static struct flags mount_flags[] = {
 980 #ifdef MS_BIND
 981     FLAG_GENERIC(MS_BIND),
 982 #endif
 983 #ifdef MS_DIRSYNC
 984     FLAG_GENERIC(MS_DIRSYNC),
 985 #endif
 986     FLAG_GENERIC(MS_MANDLOCK),
 987 #ifdef MS_MOVE
 988     FLAG_GENERIC(MS_MOVE),
 989 #endif
 990     FLAG_GENERIC(MS_NOATIME),
 991     FLAG_GENERIC(MS_NODEV),
 992     FLAG_GENERIC(MS_NODIRATIME),
 993     FLAG_GENERIC(MS_NOEXEC),
 994     FLAG_GENERIC(MS_NOSUID),
 995     FLAG_GENERIC(MS_RDONLY),
 996 #ifdef MS_RELATIME
 997     FLAG_GENERIC(MS_RELATIME),
 998 #endif
 999     FLAG_GENERIC(MS_REMOUNT),
1000     FLAG_GENERIC(MS_SYNCHRONOUS),
1001     FLAG_END,
1002 };
1003
1004 UNUSED static struct flags umount2_flags[] = {
1005 #ifdef MNT_FORCE
1006     FLAG_GENERIC(MNT_FORCE),
1007 #endif
1008 #ifdef MNT_DETACH
1009     FLAG_GENERIC(MNT_DETACH),
1010 #endif
1011 #ifdef MNT_EXPIRE
1012     FLAG_GENERIC(MNT_EXPIRE),
1013 #endif
1014     FLAG_END,
1015 };
1016
1017 UNUSED static struct flags mmap_prot_flags[] = {
1018     FLAG_GENERIC(PROT_NONE),
1019     FLAG_GENERIC(PROT_EXEC),
1020     FLAG_GENERIC(PROT_READ),
1021     FLAG_GENERIC(PROT_WRITE),
1022     FLAG_TARGET(PROT_SEM),
1023     FLAG_GENERIC(PROT_GROWSDOWN),
1024     FLAG_GENERIC(PROT_GROWSUP),
1025     FLAG_END,
1026 };
1027
1028 UNUSED static struct flags mmap_flags[] = {
1029     FLAG_TARGET(MAP_SHARED),
1030     FLAG_TARGET(MAP_PRIVATE),
1031     FLAG_TARGET(MAP_ANONYMOUS),
1032     FLAG_TARGET(MAP_DENYWRITE),
1033     FLAG_TARGET(MAP_FIXED),
1034     FLAG_TARGET(MAP_GROWSDOWN),
1035     FLAG_TARGET(MAP_EXECUTABLE),
1036 #ifdef MAP_LOCKED
1037     FLAG_TARGET(MAP_LOCKED),
1038 #endif
1039 #ifdef MAP_NONBLOCK
1040     FLAG_TARGET(MAP_NONBLOCK),
1041 #endif
1042     FLAG_TARGET(MAP_NORESERVE),
1043 #ifdef MAP_POPULATE
1044     FLAG_TARGET(MAP_POPULATE),
1045 #endif
1046 #ifdef TARGET_MAP_UNINITIALIZED
1047     FLAG_TARGET(MAP_UNINITIALIZED),
1048 #endif
1049     FLAG_END,
1050 };
1051
1052 UNUSED static struct flags clone_flags[] = {
1053     FLAG_GENERIC(CLONE_VM),
1054     FLAG_GENERIC(CLONE_FS),
1055     FLAG_GENERIC(CLONE_FILES),
1056     FLAG_GENERIC(CLONE_SIGHAND),
1057     FLAG_GENERIC(CLONE_PTRACE),
1058     FLAG_GENERIC(CLONE_VFORK),
1059     FLAG_GENERIC(CLONE_PARENT),
1060     FLAG_GENERIC(CLONE_THREAD),
1061     FLAG_GENERIC(CLONE_NEWNS),
1062     FLAG_GENERIC(CLONE_SYSVSEM),
1063     FLAG_GENERIC(CLONE_SETTLS),
1064     FLAG_GENERIC(CLONE_PARENT_SETTID),
1065     FLAG_GENERIC(CLONE_CHILD_CLEARTID),
1066     FLAG_GENERIC(CLONE_DETACHED),
1067     FLAG_GENERIC(CLONE_UNTRACED),
1068     FLAG_GENERIC(CLONE_CHILD_SETTID),
1069 #if defined(CLONE_NEWUTS)
1070     FLAG_GENERIC(CLONE_NEWUTS),
1071 #endif
1072 #if defined(CLONE_NEWIPC)
1073     FLAG_GENERIC(CLONE_NEWIPC),
1074 #endif
1075 #if defined(CLONE_NEWUSER)
1076     FLAG_GENERIC(CLONE_NEWUSER),
1077 #endif
1078 #if defined(CLONE_NEWPID)
1079     FLAG_GENERIC(CLONE_NEWPID),
1080 #endif
1081 #if defined(CLONE_NEWNET)
1082     FLAG_GENERIC(CLONE_NEWNET),
1083 #endif
1084 #if defined(CLONE_IO)
1085     FLAG_GENERIC(CLONE_IO),
1086 #endif
1087     FLAG_END,
1088 };
1089
1090 UNUSED static struct flags msg_flags[] = {
1091     /* send */
1092     FLAG_GENERIC(MSG_CONFIRM),
1093     FLAG_GENERIC(MSG_DONTROUTE),
1094     FLAG_GENERIC(MSG_DONTWAIT),
1095     FLAG_GENERIC(MSG_EOR),
1096     FLAG_GENERIC(MSG_MORE),
1097     FLAG_GENERIC(MSG_NOSIGNAL),
1098     FLAG_GENERIC(MSG_OOB),
1099     /* recv */
1100     FLAG_GENERIC(MSG_CMSG_CLOEXEC),
1101     FLAG_GENERIC(MSG_ERRQUEUE),
1102     FLAG_GENERIC(MSG_PEEK),
1103     FLAG_GENERIC(MSG_TRUNC),
1104     FLAG_GENERIC(MSG_WAITALL),
1105     /* recvmsg */
1106     FLAG_GENERIC(MSG_CTRUNC),
1107     FLAG_END,
1108 };
1109
1110 UNUSED static struct flags statx_flags[] = {
1111 #ifdef AT_EMPTY_PATH
1112     FLAG_GENERIC(AT_EMPTY_PATH),
1113 #endif
1114 #ifdef AT_NO_AUTOMOUNT
1115     FLAG_GENERIC(AT_NO_AUTOMOUNT),
1116 #endif
1117 #ifdef AT_SYMLINK_NOFOLLOW
1118     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
1119 #endif
1120 #ifdef AT_STATX_SYNC_AS_STAT
1121     FLAG_GENERIC(AT_STATX_SYNC_AS_STAT),
1122 #endif
1123 #ifdef AT_STATX_FORCE_SYNC
1124     FLAG_GENERIC(AT_STATX_FORCE_SYNC),
1125 #endif
1126 #ifdef AT_STATX_DONT_SYNC
1127     FLAG_GENERIC(AT_STATX_DONT_SYNC),
1128 #endif
1129     FLAG_END,
1130 };
1131
1132 UNUSED static struct flags statx_mask[] = {
1133 /* This must come first, because it includes everything.  */
1134 #ifdef STATX_ALL
1135     FLAG_GENERIC(STATX_ALL),
1136 #endif
1137 /* This must come second; it includes everything except STATX_BTIME.  */
1138 #ifdef STATX_BASIC_STATS
1139     FLAG_GENERIC(STATX_BASIC_STATS),
1140 #endif
1141 #ifdef STATX_TYPE
1142     FLAG_GENERIC(STATX_TYPE),
1143 #endif
1144 #ifdef STATX_MODE
1145     FLAG_GENERIC(STATX_MODE),
1146 #endif
1147 #ifdef STATX_NLINK
1148     FLAG_GENERIC(STATX_NLINK),
1149 #endif
1150 #ifdef STATX_UID
1151     FLAG_GENERIC(STATX_UID),
1152 #endif
1153 #ifdef STATX_GID
1154     FLAG_GENERIC(STATX_GID),
1155 #endif
1156 #ifdef STATX_ATIME
1157     FLAG_GENERIC(STATX_ATIME),
1158 #endif
1159 #ifdef STATX_MTIME
1160     FLAG_GENERIC(STATX_MTIME),
1161 #endif
1162 #ifdef STATX_CTIME
1163     FLAG_GENERIC(STATX_CTIME),
1164 #endif
1165 #ifdef STATX_INO
1166     FLAG_GENERIC(STATX_INO),
1167 #endif
1168 #ifdef STATX_SIZE
1169     FLAG_GENERIC(STATX_SIZE),
1170 #endif
1171 #ifdef STATX_BLOCKS
1172     FLAG_GENERIC(STATX_BLOCKS),
1173 #endif
1174 #ifdef STATX_BTIME
1175     FLAG_GENERIC(STATX_BTIME),
1176 #endif
1177     FLAG_END,
1178 };
1179
1180 UNUSED static struct flags falloc_flags[] = {
1181     FLAG_GENERIC(FALLOC_FL_KEEP_SIZE),
1182     FLAG_GENERIC(FALLOC_FL_PUNCH_HOLE),
1183 #ifdef FALLOC_FL_NO_HIDE_STALE
1184     FLAG_GENERIC(FALLOC_FL_NO_HIDE_STALE),
1185 #endif
1186 #ifdef FALLOC_FL_COLLAPSE_RANGE
1187     FLAG_GENERIC(FALLOC_FL_COLLAPSE_RANGE),
1188 #endif
1189 #ifdef FALLOC_FL_ZERO_RANGE
1190     FLAG_GENERIC(FALLOC_FL_ZERO_RANGE),
1191 #endif
1192 #ifdef FALLOC_FL_INSERT_RANGE
1193     FLAG_GENERIC(FALLOC_FL_INSERT_RANGE),
1194 #endif
1195 #ifdef FALLOC_FL_UNSHARE_RANGE
1196     FLAG_GENERIC(FALLOC_FL_UNSHARE_RANGE),
1197 #endif
1198 };
1199
1200 /*
1201  * print_xxx utility functions.  These are used to print syscall
1202  * parameters in certain format.  All of these have parameter
1203  * named 'last'.  This parameter is used to add comma to output
1204  * when last == 0.
1205  */
1206
1207 static const char *
1208 get_comma(int last)
1209 {
1210     return ((last) ? "" : ",");
1211 }
1212
1213 static void
1214 print_flags(const struct flags *f, abi_long flags, int last)
1215 {
1216     const char *sep = "";
1217     int n;
1218
1219     if ((flags == 0) && (f->f_value == 0)) {
1220         qemu_log("%s%s", f->f_string, get_comma(last));
1221         return;
1222     }
1223     for (n = 0; f->f_string != NULL; f++) {
1224         if ((f->f_value != 0) && ((flags & f->f_value) == f->f_value)) {
1225             qemu_log("%s%s", sep, f->f_string);
1226             flags &= ~f->f_value;
1227             sep = "|";
1228             n++;
1229         }
1230     }
1231
1232     if (n > 0) {
1233         /* print rest of the flags as numeric */
1234         if (flags != 0) {
1235             qemu_log("%s%#x%s", sep, (unsigned int)flags, get_comma(last));
1236         } else {
1237             qemu_log("%s", get_comma(last));
1238         }
1239     } else {
1240         /* no string version of flags found, print them in hex then */
1241         qemu_log("%#x%s", (unsigned int)flags, get_comma(last));
1242     }
1243 }
1244
1245 static void
1246 print_at_dirfd(abi_long dirfd, int last)
1247 {
1248 #ifdef AT_FDCWD
1249     if (dirfd == AT_FDCWD) {
1250         qemu_log("AT_FDCWD%s", get_comma(last));
1251         return;
1252     }
1253 #endif
1254     qemu_log("%d%s", (int)dirfd, get_comma(last));
1255 }
1256
1257 static void
1258 print_file_mode(abi_long mode, int last)
1259 {
1260     const char *sep = "";
1261     const struct flags *m;
1262
1263     for (m = &mode_flags[0]; m->f_string != NULL; m++) {
1264         if ((m->f_value & mode) == m->f_value) {
1265             qemu_log("%s%s", m->f_string, sep);
1266             sep = "|";
1267             mode &= ~m->f_value;
1268             break;
1269         }
1270     }
1271
1272     mode &= ~S_IFMT;
1273     /* print rest of the mode as octal */
1274     if (mode != 0)
1275         qemu_log("%s%#o", sep, (unsigned int)mode);
1276
1277     qemu_log("%s", get_comma(last));
1278 }
1279
1280 static void
1281 print_open_flags(abi_long flags, int last)
1282 {
1283     print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1);
1284     flags &= ~TARGET_O_ACCMODE;
1285     if (flags == 0) {
1286         qemu_log("%s", get_comma(last));
1287         return;
1288     }
1289     qemu_log("|");
1290     print_flags(open_flags, flags, last);
1291 }
1292
1293 static void
1294 print_syscall_prologue(const struct syscallname *sc)
1295 {
1296     qemu_log("%s(", sc->name);
1297 }
1298
1299 /*ARGSUSED*/
1300 static void
1301 print_syscall_epilogue(const struct syscallname *sc)
1302 {
1303     (void)sc;
1304     qemu_log(")");
1305 }
1306
1307 static void
1308 print_string(abi_long addr, int last)
1309 {
1310     char *s;
1311
1312     if ((s = lock_user_string(addr)) != NULL) {
1313         qemu_log("\"%s\"%s", s, get_comma(last));
1314         unlock_user(s, addr, 0);
1315     } else {
1316         /* can't get string out of it, so print it as pointer */
1317         print_pointer(addr, last);
1318     }
1319 }
1320
1321 #define MAX_PRINT_BUF 40
1322 static void
1323 print_buf(abi_long addr, abi_long len, int last)
1324 {
1325     uint8_t *s;
1326     int i;
1327
1328     s = lock_user(VERIFY_READ, addr, len, 1);
1329     if (s) {
1330         qemu_log("\"");
1331         for (i = 0; i < MAX_PRINT_BUF && i < len; i++) {
1332             if (isprint(s[i])) {
1333                 qemu_log("%c", s[i]);
1334             } else {
1335                 qemu_log("\\%o", s[i]);
1336             }
1337         }
1338         qemu_log("\"");
1339         if (i != len) {
1340             qemu_log("...");
1341         }
1342         if (!last) {
1343             qemu_log(",");
1344         }
1345         unlock_user(s, addr, 0);
1346     } else {
1347         print_pointer(addr, last);
1348     }
1349 }
1350
1351 /*
1352  * Prints out raw parameter using given format.  Caller needs
1353  * to do byte swapping if needed.
1354  */
1355 static void
1356 print_raw_param(const char *fmt, abi_long param, int last)
1357 {
1358     char format[64];
1359
1360     (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last));
1361     qemu_log(format, param);
1362 }
1363
1364 static void
1365 print_pointer(abi_long p, int last)
1366 {
1367     if (p == 0)
1368         qemu_log("NULL%s", get_comma(last));
1369     else
1370         qemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last));
1371 }
1372
1373 /*
1374  * Reads 32-bit (int) number from guest address space from
1375  * address 'addr' and prints it.
1376  */
1377 static void
1378 print_number(abi_long addr, int last)
1379 {
1380     if (addr == 0) {
1381         qemu_log("NULL%s", get_comma(last));
1382     } else {
1383         int num;
1384
1385         get_user_s32(num, addr);
1386         qemu_log("[%d]%s", num, get_comma(last));
1387     }
1388 }
1389
1390 static void
1391 print_timeval(abi_ulong tv_addr, int last)
1392 {
1393     if( tv_addr ) {
1394         struct target_timeval *tv;
1395
1396         tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
1397         if (!tv) {
1398             print_pointer(tv_addr, last);
1399             return;
1400         }
1401         qemu_log("{" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "}%s",
1402             tswapal(tv->tv_sec), tswapal(tv->tv_usec), get_comma(last));
1403         unlock_user(tv, tv_addr, 0);
1404     } else
1405         qemu_log("NULL%s", get_comma(last));
1406 }
1407
1408 static void
1409 print_timezone(abi_ulong tz_addr, int last)
1410 {
1411     if (tz_addr) {
1412         struct target_timezone *tz;
1413
1414         tz = lock_user(VERIFY_READ, tz_addr, sizeof(*tz), 1);
1415         if (!tz) {
1416             print_pointer(tz_addr, last);
1417             return;
1418         }
1419         qemu_log("{%d,%d}%s", tswap32(tz->tz_minuteswest),
1420                  tswap32(tz->tz_dsttime), get_comma(last));
1421         unlock_user(tz, tz_addr, 0);
1422     } else {
1423         qemu_log("NULL%s", get_comma(last));
1424     }
1425 }
1426
1427 #undef UNUSED
1428
1429 #ifdef TARGET_NR_accept
1430 static void
1431 print_accept(const struct syscallname *name,
1432     abi_long arg0, abi_long arg1, abi_long arg2,
1433     abi_long arg3, abi_long arg4, abi_long arg5)
1434 {
1435     print_syscall_prologue(name);
1436     print_raw_param("%d", arg0, 0);
1437     print_pointer(arg1, 0);
1438     print_number(arg2, 1);
1439     print_syscall_epilogue(name);
1440 }
1441 #endif
1442
1443 #ifdef TARGET_NR_access
1444 static void
1445 print_access(const struct syscallname *name,
1446     abi_long arg0, abi_long arg1, abi_long arg2,
1447     abi_long arg3, abi_long arg4, abi_long arg5)
1448 {
1449     print_syscall_prologue(name);
1450     print_string(arg0, 0);
1451     print_flags(access_flags, arg1, 1);
1452     print_syscall_epilogue(name);
1453 }
1454 #endif
1455
1456 #ifdef TARGET_NR_acct
1457 static void
1458 print_acct(const struct syscallname *name,
1459     abi_long arg0, abi_long arg1, abi_long arg2,
1460     abi_long arg3, abi_long arg4, abi_long arg5)
1461 {
1462     print_syscall_prologue(name);
1463     print_string(arg0, 1);
1464     print_syscall_epilogue(name);
1465 }
1466 #endif
1467
1468 #ifdef TARGET_NR_brk
1469 static void
1470 print_brk(const struct syscallname *name,
1471     abi_long arg0, abi_long arg1, abi_long arg2,
1472     abi_long arg3, abi_long arg4, abi_long arg5)
1473 {
1474     print_syscall_prologue(name);
1475     print_pointer(arg0, 1);
1476     print_syscall_epilogue(name);
1477 }
1478 #endif
1479
1480 #ifdef TARGET_NR_chdir
1481 static void
1482 print_chdir(const struct syscallname *name,
1483     abi_long arg0, abi_long arg1, abi_long arg2,
1484     abi_long arg3, abi_long arg4, abi_long arg5)
1485 {
1486     print_syscall_prologue(name);
1487     print_string(arg0, 1);
1488     print_syscall_epilogue(name);
1489 }
1490 #endif
1491
1492 #ifdef TARGET_NR_chroot
1493 static void
1494 print_chroot(const struct syscallname *name,
1495     abi_long arg0, abi_long arg1, abi_long arg2,
1496     abi_long arg3, abi_long arg4, abi_long arg5)
1497 {
1498     print_syscall_prologue(name);
1499     print_string(arg0, 1);
1500     print_syscall_epilogue(name);
1501 }
1502 #endif
1503
1504 #ifdef TARGET_NR_chmod
1505 static void
1506 print_chmod(const struct syscallname *name,
1507     abi_long arg0, abi_long arg1, abi_long arg2,
1508     abi_long arg3, abi_long arg4, abi_long arg5)
1509 {
1510     print_syscall_prologue(name);
1511     print_string(arg0, 0);
1512     print_file_mode(arg1, 1);
1513     print_syscall_epilogue(name);
1514 }
1515 #endif
1516
1517 #if defined(TARGET_NR_chown) || defined(TARGET_NR_lchown)
1518 static void
1519 print_chown(const struct syscallname *name,
1520     abi_long arg0, abi_long arg1, abi_long arg2,
1521     abi_long arg3, abi_long arg4, abi_long arg5)
1522 {
1523     print_syscall_prologue(name);
1524     print_string(arg0, 0);
1525     print_raw_param("%d", arg1, 0);
1526     print_raw_param("%d", arg2, 1);
1527     print_syscall_epilogue(name);
1528 }
1529 #define print_lchown     print_chown
1530 #endif
1531
1532 #ifdef TARGET_NR_clock_adjtime
1533 static void
1534 print_clock_adjtime(const struct syscallname *name,
1535     abi_long arg0, abi_long arg1, abi_long arg2,
1536     abi_long arg3, abi_long arg4, abi_long arg5)
1537 {
1538     print_syscall_prologue(name);
1539     print_clockid(arg0, 0);
1540     print_pointer(arg1, 1);
1541     print_syscall_epilogue(name);
1542 }
1543 #endif
1544
1545 #ifdef TARGET_NR_clone
1546 static void do_print_clone(unsigned int flags, abi_ulong newsp,
1547                            abi_ulong parent_tidptr, target_ulong newtls,
1548                            abi_ulong child_tidptr)
1549 {
1550     print_flags(clone_flags, flags, 0);
1551     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, newsp, 0);
1552     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, parent_tidptr, 0);
1553     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, newtls, 0);
1554     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, child_tidptr, 1);
1555 }
1556
1557 static void
1558 print_clone(const struct syscallname *name,
1559     abi_long arg1, abi_long arg2, abi_long arg3,
1560     abi_long arg4, abi_long arg5, abi_long arg6)
1561 {
1562     print_syscall_prologue(name);
1563 #if defined(TARGET_MICROBLAZE)
1564     do_print_clone(arg1, arg2, arg4, arg6, arg5);
1565 #elif defined(TARGET_CLONE_BACKWARDS)
1566     do_print_clone(arg1, arg2, arg3, arg4, arg5);
1567 #elif defined(TARGET_CLONE_BACKWARDS2)
1568     do_print_clone(arg2, arg1, arg3, arg5, arg4);
1569 #else
1570     do_print_clone(arg1, arg2, arg3, arg5, arg4);
1571 #endif
1572     print_syscall_epilogue(name);
1573 }
1574 #endif
1575
1576 #ifdef TARGET_NR_creat
1577 static void
1578 print_creat(const struct syscallname *name,
1579     abi_long arg0, abi_long arg1, abi_long arg2,
1580     abi_long arg3, abi_long arg4, abi_long arg5)
1581 {
1582     print_syscall_prologue(name);
1583     print_string(arg0, 0);
1584     print_file_mode(arg1, 1);
1585     print_syscall_epilogue(name);
1586 }
1587 #endif
1588
1589 #ifdef TARGET_NR_execv
1590 static void
1591 print_execv(const struct syscallname *name,
1592     abi_long arg0, abi_long arg1, abi_long arg2,
1593     abi_long arg3, abi_long arg4, abi_long arg5)
1594 {
1595     print_syscall_prologue(name);
1596     print_string(arg0, 0);
1597     print_raw_param("0x" TARGET_ABI_FMT_lx, arg1, 1);
1598     print_syscall_epilogue(name);
1599 }
1600 #endif
1601
1602 #ifdef TARGET_NR_faccessat
1603 static void
1604 print_faccessat(const struct syscallname *name,
1605     abi_long arg0, abi_long arg1, abi_long arg2,
1606     abi_long arg3, abi_long arg4, abi_long arg5)
1607 {
1608     print_syscall_prologue(name);
1609     print_at_dirfd(arg0, 0);
1610     print_string(arg1, 0);
1611     print_flags(access_flags, arg2, 0);
1612     print_flags(at_file_flags, arg3, 1);
1613     print_syscall_epilogue(name);
1614 }
1615 #endif
1616
1617 #ifdef TARGET_NR_fallocate
1618 static void
1619 print_fallocate(const struct syscallname *name,
1620     abi_long arg0, abi_long arg1, abi_long arg2,
1621     abi_long arg3, abi_long arg4, abi_long arg5)
1622 {
1623     print_syscall_prologue(name);
1624     print_raw_param("%d", arg0, 0);
1625     print_flags(falloc_flags, arg1, 0);
1626 #if TARGET_ABI_BITS == 32
1627     print_raw_param("%" PRIu64, target_offset64(arg2, arg3), 0);
1628     print_raw_param("%" PRIu64, target_offset64(arg4, arg5), 1);
1629 #else
1630     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1631     print_raw_param(TARGET_ABI_FMT_ld, arg3, 1);
1632 #endif
1633     print_syscall_epilogue(name);
1634 }
1635 #endif
1636
1637 #ifdef TARGET_NR_fchmodat
1638 static void
1639 print_fchmodat(const struct syscallname *name,
1640     abi_long arg0, abi_long arg1, abi_long arg2,
1641     abi_long arg3, abi_long arg4, abi_long arg5)
1642 {
1643     print_syscall_prologue(name);
1644     print_at_dirfd(arg0, 0);
1645     print_string(arg1, 0);
1646     print_file_mode(arg2, 0);
1647     print_flags(at_file_flags, arg3, 1);
1648     print_syscall_epilogue(name);
1649 }
1650 #endif
1651
1652 #ifdef TARGET_NR_fchownat
1653 static void
1654 print_fchownat(const struct syscallname *name,
1655     abi_long arg0, abi_long arg1, abi_long arg2,
1656     abi_long arg3, abi_long arg4, abi_long arg5)
1657 {
1658     print_syscall_prologue(name);
1659     print_at_dirfd(arg0, 0);
1660     print_string(arg1, 0);
1661     print_raw_param("%d", arg2, 0);
1662     print_raw_param("%d", arg3, 0);
1663     print_flags(at_file_flags, arg4, 1);
1664     print_syscall_epilogue(name);
1665 }
1666 #endif
1667
1668 #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
1669 static void
1670 print_fcntl(const struct syscallname *name,
1671     abi_long arg0, abi_long arg1, abi_long arg2,
1672     abi_long arg3, abi_long arg4, abi_long arg5)
1673 {
1674     print_syscall_prologue(name);
1675     print_raw_param("%d", arg0, 0);
1676     switch(arg1) {
1677     case TARGET_F_DUPFD:
1678         qemu_log("F_DUPFD,");
1679         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
1680         break;
1681     case TARGET_F_GETFD:
1682         qemu_log("F_GETFD");
1683         break;
1684     case TARGET_F_SETFD:
1685         qemu_log("F_SETFD,");
1686         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
1687         break;
1688     case TARGET_F_GETFL:
1689         qemu_log("F_GETFL");
1690         break;
1691     case TARGET_F_SETFL:
1692         qemu_log("F_SETFL,");
1693         print_open_flags(arg2, 1);
1694         break;
1695     case TARGET_F_GETLK:
1696         qemu_log("F_GETLK,");
1697         print_pointer(arg2, 1);
1698         break;
1699     case TARGET_F_SETLK:
1700         qemu_log("F_SETLK,");
1701         print_pointer(arg2, 1);
1702         break;
1703     case TARGET_F_SETLKW:
1704         qemu_log("F_SETLKW,");
1705         print_pointer(arg2, 1);
1706         break;
1707     case TARGET_F_GETOWN:
1708         qemu_log("F_GETOWN");
1709         break;
1710     case TARGET_F_SETOWN:
1711         qemu_log("F_SETOWN,");
1712         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1713         break;
1714     case TARGET_F_GETSIG:
1715         qemu_log("F_GETSIG");
1716         break;
1717     case TARGET_F_SETSIG:
1718         qemu_log("F_SETSIG,");
1719         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1720         break;
1721 #if TARGET_ABI_BITS == 32
1722     case TARGET_F_GETLK64:
1723         qemu_log("F_GETLK64,");
1724         print_pointer(arg2, 1);
1725         break;
1726     case TARGET_F_SETLK64:
1727         qemu_log("F_SETLK64,");
1728         print_pointer(arg2, 1);
1729         break;
1730     case TARGET_F_SETLKW64:
1731         qemu_log("F_SETLKW64,");
1732         print_pointer(arg2, 1);
1733         break;
1734 #endif
1735     case TARGET_F_SETLEASE:
1736         qemu_log("F_SETLEASE,");
1737         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1738         break;
1739     case TARGET_F_GETLEASE:
1740         qemu_log("F_GETLEASE");
1741         break;
1742     case TARGET_F_SETPIPE_SZ:
1743         qemu_log("F_SETPIPE_SZ,");
1744         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
1745         break;
1746     case TARGET_F_GETPIPE_SZ:
1747         qemu_log("F_GETPIPE_SZ");
1748         break;
1749     case TARGET_F_DUPFD_CLOEXEC:
1750         qemu_log("F_DUPFD_CLOEXEC,");
1751         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
1752         break;
1753     case TARGET_F_NOTIFY:
1754         qemu_log("F_NOTIFY,");
1755         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1756         break;
1757     default:
1758         print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
1759         print_pointer(arg2, 1);
1760         break;
1761     }
1762     print_syscall_epilogue(name);
1763 }
1764 #define print_fcntl64   print_fcntl
1765 #endif
1766
1767 #ifdef TARGET_NR_fgetxattr
1768 static void
1769 print_fgetxattr(const struct syscallname *name,
1770     abi_long arg0, abi_long arg1, abi_long arg2,
1771     abi_long arg3, abi_long arg4, abi_long arg5)
1772 {
1773     print_syscall_prologue(name);
1774     print_raw_param("%d", arg0, 0);
1775     print_string(arg1, 0);
1776     print_pointer(arg2, 0);
1777     print_raw_param(TARGET_FMT_lu, arg3, 1);
1778     print_syscall_epilogue(name);
1779 }
1780 #endif
1781
1782 #ifdef TARGET_NR_flistxattr
1783 static void
1784 print_flistxattr(const struct syscallname *name,
1785     abi_long arg0, abi_long arg1, abi_long arg2,
1786     abi_long arg3, abi_long arg4, abi_long arg5)
1787 {
1788     print_syscall_prologue(name);
1789     print_raw_param("%d", arg0, 0);
1790     print_pointer(arg1, 0);
1791     print_raw_param(TARGET_FMT_lu, arg2, 1);
1792     print_syscall_epilogue(name);
1793 }
1794 #endif
1795
1796 #if defined(TARGET_NR_getxattr) || defined(TARGET_NR_lgetxattr)
1797 static void
1798 print_getxattr(const struct syscallname *name,
1799     abi_long arg0, abi_long arg1, abi_long arg2,
1800     abi_long arg3, abi_long arg4, abi_long arg5)
1801 {
1802     print_syscall_prologue(name);
1803     print_string(arg0, 0);
1804     print_string(arg1, 0);
1805     print_pointer(arg2, 0);
1806     print_raw_param(TARGET_FMT_lu, arg3, 1);
1807     print_syscall_epilogue(name);
1808 }
1809 #define print_lgetxattr     print_getxattr
1810 #endif
1811
1812 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr)
1813 static void
1814 print_listxattr(const struct syscallname *name,
1815     abi_long arg0, abi_long arg1, abi_long arg2,
1816     abi_long arg3, abi_long arg4, abi_long arg5)
1817 {
1818     print_syscall_prologue(name);
1819     print_string(arg0, 0);
1820     print_pointer(arg1, 0);
1821     print_raw_param(TARGET_FMT_lu, arg2, 1);
1822     print_syscall_epilogue(name);
1823 }
1824 #define print_llistxattr     print_listxattr
1825 #endif
1826
1827 #if defined(TARGET_NR_fremovexattr)
1828 static void
1829 print_fremovexattr(const struct syscallname *name,
1830     abi_long arg0, abi_long arg1, abi_long arg2,
1831     abi_long arg3, abi_long arg4, abi_long arg5)
1832 {
1833     print_syscall_prologue(name);
1834     print_raw_param("%d", arg0, 0);
1835     print_string(arg1, 1);
1836     print_syscall_epilogue(name);
1837 }
1838 #endif
1839
1840 #if defined(TARGET_NR_removexattr) || defined(TARGET_NR_lremovexattr)
1841 static void
1842 print_removexattr(const struct syscallname *name,
1843     abi_long arg0, abi_long arg1, abi_long arg2,
1844     abi_long arg3, abi_long arg4, abi_long arg5)
1845 {
1846     print_syscall_prologue(name);
1847     print_string(arg0, 0);
1848     print_string(arg1, 1);
1849     print_syscall_epilogue(name);
1850 }
1851 #define print_lremovexattr     print_removexattr
1852 #endif
1853
1854 #ifdef TARGET_NR_futimesat
1855 static void
1856 print_futimesat(const struct syscallname *name,
1857     abi_long arg0, abi_long arg1, abi_long arg2,
1858     abi_long arg3, abi_long arg4, abi_long arg5)
1859 {
1860     print_syscall_prologue(name);
1861     print_at_dirfd(arg0, 0);
1862     print_string(arg1, 0);
1863     print_timeval(arg2, 0);
1864     print_timeval(arg2 + sizeof (struct target_timeval), 1);
1865     print_syscall_epilogue(name);
1866 }
1867 #endif
1868
1869 #ifdef TARGET_NR_settimeofday
1870 static void
1871 print_settimeofday(const struct syscallname *name,
1872                 abi_long arg0, abi_long arg1, abi_long arg2,
1873                 abi_long arg3, abi_long arg4, abi_long arg5)
1874 {
1875     print_syscall_prologue(name);
1876     print_timeval(arg0, 0);
1877     print_timezone(arg1, 1);
1878     print_syscall_epilogue(name);
1879 }
1880 #endif
1881
1882 #ifdef TARGET_NR_link
1883 static void
1884 print_link(const struct syscallname *name,
1885     abi_long arg0, abi_long arg1, abi_long arg2,
1886     abi_long arg3, abi_long arg4, abi_long arg5)
1887 {
1888     print_syscall_prologue(name);
1889     print_string(arg0, 0);
1890     print_string(arg1, 1);
1891     print_syscall_epilogue(name);
1892 }
1893 #endif
1894
1895 #ifdef TARGET_NR_linkat
1896 static void
1897 print_linkat(const struct syscallname *name,
1898     abi_long arg0, abi_long arg1, abi_long arg2,
1899     abi_long arg3, abi_long arg4, abi_long arg5)
1900 {
1901     print_syscall_prologue(name);
1902     print_at_dirfd(arg0, 0);
1903     print_string(arg1, 0);
1904     print_at_dirfd(arg2, 0);
1905     print_string(arg3, 0);
1906     print_flags(at_file_flags, arg4, 1);
1907     print_syscall_epilogue(name);
1908 }
1909 #endif
1910
1911 #ifdef TARGET_NR__llseek
1912 static void
1913 print__llseek(const struct syscallname *name,
1914     abi_long arg0, abi_long arg1, abi_long arg2,
1915     abi_long arg3, abi_long arg4, abi_long arg5)
1916 {
1917     const char *whence = "UNKNOWN";
1918     print_syscall_prologue(name);
1919     print_raw_param("%d", arg0, 0);
1920     print_raw_param("%ld", arg1, 0);
1921     print_raw_param("%ld", arg2, 0);
1922     print_pointer(arg3, 0);
1923     switch(arg4) {
1924     case SEEK_SET: whence = "SEEK_SET"; break;
1925     case SEEK_CUR: whence = "SEEK_CUR"; break;
1926     case SEEK_END: whence = "SEEK_END"; break;
1927     }
1928     qemu_log("%s", whence);
1929     print_syscall_epilogue(name);
1930 }
1931 #endif
1932
1933 #ifdef TARGET_NR_lseek
1934 static void
1935 print_lseek(const struct syscallname *name,
1936     abi_long arg0, abi_long arg1, abi_long arg2,
1937     abi_long arg3, abi_long arg4, abi_long arg5)
1938 {
1939     print_syscall_prologue(name);
1940     print_raw_param("%d", arg0, 0);
1941     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
1942     switch (arg2) {
1943     case SEEK_SET:
1944         qemu_log("SEEK_SET"); break;
1945     case SEEK_CUR:
1946         qemu_log("SEEK_CUR"); break;
1947     case SEEK_END:
1948         qemu_log("SEEK_END"); break;
1949 #ifdef SEEK_DATA
1950     case SEEK_DATA:
1951         qemu_log("SEEK_DATA"); break;
1952 #endif
1953 #ifdef SEEK_HOLE
1954     case SEEK_HOLE:
1955         qemu_log("SEEK_HOLE"); break;
1956 #endif
1957     default:
1958         print_raw_param("%#x", arg2, 1);
1959     }
1960     print_syscall_epilogue(name);
1961 }
1962 #endif
1963
1964 #if defined(TARGET_NR_socket)
1965 static void
1966 print_socket(const struct syscallname *name,
1967              abi_long arg0, abi_long arg1, abi_long arg2,
1968              abi_long arg3, abi_long arg4, abi_long arg5)
1969 {
1970     abi_ulong domain = arg0, type = arg1, protocol = arg2;
1971
1972     print_syscall_prologue(name);
1973     print_socket_domain(domain);
1974     qemu_log(",");
1975     print_socket_type(type);
1976     qemu_log(",");
1977     if (domain == AF_PACKET ||
1978         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
1979         protocol = tswap16(protocol);
1980     }
1981     print_socket_protocol(domain, type, protocol);
1982     print_syscall_epilogue(name);
1983 }
1984
1985 #endif
1986
1987 #if defined(TARGET_NR_socketcall) || defined(TARGET_NR_bind)
1988
1989 static void print_sockfd(abi_long sockfd, int last)
1990 {
1991     print_raw_param(TARGET_ABI_FMT_ld, sockfd, last);
1992 }
1993
1994 #endif
1995
1996 #if defined(TARGET_NR_socketcall)
1997
1998 #define get_user_ualx(x, gaddr, idx) \
1999         get_user_ual(x, (gaddr) + (idx) * sizeof(abi_long))
2000
2001 static void do_print_socket(const char *name, abi_long arg1)
2002 {
2003     abi_ulong domain, type, protocol;
2004
2005     get_user_ualx(domain, arg1, 0);
2006     get_user_ualx(type, arg1, 1);
2007     get_user_ualx(protocol, arg1, 2);
2008     qemu_log("%s(", name);
2009     print_socket_domain(domain);
2010     qemu_log(",");
2011     print_socket_type(type);
2012     qemu_log(",");
2013     if (domain == AF_PACKET ||
2014         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
2015         protocol = tswap16(protocol);
2016     }
2017     print_socket_protocol(domain, type, protocol);
2018     qemu_log(")");
2019 }
2020
2021 static void do_print_sockaddr(const char *name, abi_long arg1)
2022 {
2023     abi_ulong sockfd, addr, addrlen;
2024
2025     get_user_ualx(sockfd, arg1, 0);
2026     get_user_ualx(addr, arg1, 1);
2027     get_user_ualx(addrlen, arg1, 2);
2028
2029     qemu_log("%s(", name);
2030     print_sockfd(sockfd, 0);
2031     print_sockaddr(addr, addrlen, 0);
2032     qemu_log(")");
2033 }
2034
2035 static void do_print_listen(const char *name, abi_long arg1)
2036 {
2037     abi_ulong sockfd, backlog;
2038
2039     get_user_ualx(sockfd, arg1, 0);
2040     get_user_ualx(backlog, arg1, 1);
2041
2042     qemu_log("%s(", name);
2043     print_sockfd(sockfd, 0);
2044     print_raw_param(TARGET_ABI_FMT_ld, backlog, 1);
2045     qemu_log(")");
2046 }
2047
2048 static void do_print_socketpair(const char *name, abi_long arg1)
2049 {
2050     abi_ulong domain, type, protocol, tab;
2051
2052     get_user_ualx(domain, arg1, 0);
2053     get_user_ualx(type, arg1, 1);
2054     get_user_ualx(protocol, arg1, 2);
2055     get_user_ualx(tab, arg1, 3);
2056
2057     qemu_log("%s(", name);
2058     print_socket_domain(domain);
2059     qemu_log(",");
2060     print_socket_type(type);
2061     qemu_log(",");
2062     print_socket_protocol(domain, type, protocol);
2063     qemu_log(",");
2064     print_raw_param(TARGET_ABI_FMT_lx, tab, 1);
2065     qemu_log(")");
2066 }
2067
2068 static void do_print_sendrecv(const char *name, abi_long arg1)
2069 {
2070     abi_ulong sockfd, msg, len, flags;
2071
2072     get_user_ualx(sockfd, arg1, 0);
2073     get_user_ualx(msg, arg1, 1);
2074     get_user_ualx(len, arg1, 2);
2075     get_user_ualx(flags, arg1, 3);
2076
2077     qemu_log("%s(", name);
2078     print_sockfd(sockfd, 0);
2079     print_buf(msg, len, 0);
2080     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
2081     print_flags(msg_flags, flags, 1);
2082     qemu_log(")");
2083 }
2084
2085 static void do_print_msgaddr(const char *name, abi_long arg1)
2086 {
2087     abi_ulong sockfd, msg, len, flags, addr, addrlen;
2088
2089     get_user_ualx(sockfd, arg1, 0);
2090     get_user_ualx(msg, arg1, 1);
2091     get_user_ualx(len, arg1, 2);
2092     get_user_ualx(flags, arg1, 3);
2093     get_user_ualx(addr, arg1, 4);
2094     get_user_ualx(addrlen, arg1, 5);
2095
2096     qemu_log("%s(", name);
2097     print_sockfd(sockfd, 0);
2098     print_buf(msg, len, 0);
2099     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
2100     print_flags(msg_flags, flags, 0);
2101     print_sockaddr(addr, addrlen, 0);
2102     qemu_log(")");
2103 }
2104
2105 static void do_print_shutdown(const char *name, abi_long arg1)
2106 {
2107     abi_ulong sockfd, how;
2108
2109     get_user_ualx(sockfd, arg1, 0);
2110     get_user_ualx(how, arg1, 1);
2111
2112     qemu_log("shutdown(");
2113     print_sockfd(sockfd, 0);
2114     switch (how) {
2115     case SHUT_RD:
2116         qemu_log("SHUT_RD");
2117         break;
2118     case SHUT_WR:
2119         qemu_log("SHUT_WR");
2120         break;
2121     case SHUT_RDWR:
2122         qemu_log("SHUT_RDWR");
2123         break;
2124     default:
2125         print_raw_param(TARGET_ABI_FMT_ld, how, 1);
2126         break;
2127     }
2128     qemu_log(")");
2129 }
2130
2131 static void do_print_msg(const char *name, abi_long arg1)
2132 {
2133     abi_ulong sockfd, msg, flags;
2134
2135     get_user_ualx(sockfd, arg1, 0);
2136     get_user_ualx(msg, arg1, 1);
2137     get_user_ualx(flags, arg1, 2);
2138
2139     qemu_log("%s(", name);
2140     print_sockfd(sockfd, 0);
2141     print_pointer(msg, 0);
2142     print_flags(msg_flags, flags, 1);
2143     qemu_log(")");
2144 }
2145
2146 static void do_print_sockopt(const char *name, abi_long arg1)
2147 {
2148     abi_ulong sockfd, level, optname, optval, optlen;
2149
2150     get_user_ualx(sockfd, arg1, 0);
2151     get_user_ualx(level, arg1, 1);
2152     get_user_ualx(optname, arg1, 2);
2153     get_user_ualx(optval, arg1, 3);
2154     get_user_ualx(optlen, arg1, 4);
2155
2156     qemu_log("%s(", name);
2157     print_sockfd(sockfd, 0);
2158     switch (level) {
2159     case SOL_TCP:
2160         qemu_log("SOL_TCP,");
2161         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2162         print_pointer(optval, 0);
2163         break;
2164     case SOL_IP:
2165         qemu_log("SOL_IP,");
2166         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2167         print_pointer(optval, 0);
2168         break;
2169     case SOL_RAW:
2170         qemu_log("SOL_RAW,");
2171         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2172         print_pointer(optval, 0);
2173         break;
2174     case TARGET_SOL_SOCKET:
2175         qemu_log("SOL_SOCKET,");
2176         switch (optname) {
2177         case TARGET_SO_DEBUG:
2178             qemu_log("SO_DEBUG,");
2179 print_optint:
2180             print_number(optval, 0);
2181             break;
2182         case TARGET_SO_REUSEADDR:
2183             qemu_log("SO_REUSEADDR,");
2184             goto print_optint;
2185         case TARGET_SO_REUSEPORT:
2186             qemu_log("SO_REUSEPORT,");
2187             goto print_optint;
2188         case TARGET_SO_TYPE:
2189             qemu_log("SO_TYPE,");
2190             goto print_optint;
2191         case TARGET_SO_ERROR:
2192             qemu_log("SO_ERROR,");
2193             goto print_optint;
2194         case TARGET_SO_DONTROUTE:
2195             qemu_log("SO_DONTROUTE,");
2196             goto print_optint;
2197         case TARGET_SO_BROADCAST:
2198             qemu_log("SO_BROADCAST,");
2199             goto print_optint;
2200         case TARGET_SO_SNDBUF:
2201             qemu_log("SO_SNDBUF,");
2202             goto print_optint;
2203         case TARGET_SO_RCVBUF:
2204             qemu_log("SO_RCVBUF,");
2205             goto print_optint;
2206         case TARGET_SO_KEEPALIVE:
2207             qemu_log("SO_KEEPALIVE,");
2208             goto print_optint;
2209         case TARGET_SO_OOBINLINE:
2210             qemu_log("SO_OOBINLINE,");
2211             goto print_optint;
2212         case TARGET_SO_NO_CHECK:
2213             qemu_log("SO_NO_CHECK,");
2214             goto print_optint;
2215         case TARGET_SO_PRIORITY:
2216             qemu_log("SO_PRIORITY,");
2217             goto print_optint;
2218         case TARGET_SO_BSDCOMPAT:
2219             qemu_log("SO_BSDCOMPAT,");
2220             goto print_optint;
2221         case TARGET_SO_PASSCRED:
2222             qemu_log("SO_PASSCRED,");
2223             goto print_optint;
2224         case TARGET_SO_TIMESTAMP:
2225             qemu_log("SO_TIMESTAMP,");
2226             goto print_optint;
2227         case TARGET_SO_RCVLOWAT:
2228             qemu_log("SO_RCVLOWAT,");
2229             goto print_optint;
2230         case TARGET_SO_RCVTIMEO:
2231             qemu_log("SO_RCVTIMEO,");
2232             print_timeval(optval, 0);
2233             break;
2234         case TARGET_SO_SNDTIMEO:
2235             qemu_log("SO_SNDTIMEO,");
2236             print_timeval(optval, 0);
2237             break;
2238         case TARGET_SO_ATTACH_FILTER: {
2239             struct target_sock_fprog *fprog;
2240
2241             qemu_log("SO_ATTACH_FILTER,");
2242
2243             if (lock_user_struct(VERIFY_READ, fprog, optval,  0)) {
2244                 struct target_sock_filter *filter;
2245                 qemu_log("{");
2246                 if (lock_user_struct(VERIFY_READ, filter,
2247                                      tswapal(fprog->filter),  0)) {
2248                     int i;
2249                     for (i = 0; i < tswap16(fprog->len) - 1; i++) {
2250                         qemu_log("[%d]{0x%x,%d,%d,0x%x},",
2251                                  i, tswap16(filter[i].code),
2252                                  filter[i].jt, filter[i].jf,
2253                                  tswap32(filter[i].k));
2254                     }
2255                     qemu_log("[%d]{0x%x,%d,%d,0x%x}",
2256                              i, tswap16(filter[i].code),
2257                              filter[i].jt, filter[i].jf,
2258                              tswap32(filter[i].k));
2259                 } else {
2260                     qemu_log(TARGET_ABI_FMT_lx, tswapal(fprog->filter));
2261                 }
2262                 qemu_log(",%d},", tswap16(fprog->len));
2263                 unlock_user(fprog, optval, 0);
2264             } else {
2265                 print_pointer(optval, 0);
2266             }
2267             break;
2268         }
2269         default:
2270             print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2271             print_pointer(optval, 0);
2272             break;
2273         }
2274         break;
2275     default:
2276         print_raw_param(TARGET_ABI_FMT_ld, level, 0);
2277         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2278         print_pointer(optval, 0);
2279         break;
2280     }
2281     print_raw_param(TARGET_ABI_FMT_ld, optlen, 1);
2282     qemu_log(")");
2283 }
2284
2285 #define PRINT_SOCKOP(name, func) \
2286     [TARGET_SYS_##name] = { #name, func }
2287
2288 static struct {
2289     const char *name;
2290     void (*print)(const char *, abi_long);
2291 } scall[] = {
2292     PRINT_SOCKOP(SOCKET, do_print_socket),
2293     PRINT_SOCKOP(BIND, do_print_sockaddr),
2294     PRINT_SOCKOP(CONNECT, do_print_sockaddr),
2295     PRINT_SOCKOP(LISTEN, do_print_listen),
2296     PRINT_SOCKOP(ACCEPT, do_print_sockaddr),
2297     PRINT_SOCKOP(GETSOCKNAME, do_print_sockaddr),
2298     PRINT_SOCKOP(GETPEERNAME, do_print_sockaddr),
2299     PRINT_SOCKOP(SOCKETPAIR, do_print_socketpair),
2300     PRINT_SOCKOP(SEND, do_print_sendrecv),
2301     PRINT_SOCKOP(RECV, do_print_sendrecv),
2302     PRINT_SOCKOP(SENDTO, do_print_msgaddr),
2303     PRINT_SOCKOP(RECVFROM, do_print_msgaddr),
2304     PRINT_SOCKOP(SHUTDOWN, do_print_shutdown),
2305     PRINT_SOCKOP(SETSOCKOPT, do_print_sockopt),
2306     PRINT_SOCKOP(GETSOCKOPT, do_print_sockopt),
2307     PRINT_SOCKOP(SENDMSG, do_print_msg),
2308     PRINT_SOCKOP(RECVMSG, do_print_msg),
2309     PRINT_SOCKOP(ACCEPT4, NULL),
2310     PRINT_SOCKOP(RECVMMSG, NULL),
2311     PRINT_SOCKOP(SENDMMSG, NULL),
2312 };
2313
2314 static void
2315 print_socketcall(const struct syscallname *name,
2316                  abi_long arg0, abi_long arg1, abi_long arg2,
2317                  abi_long arg3, abi_long arg4, abi_long arg5)
2318 {
2319     if (arg0 >= 0 && arg0 < ARRAY_SIZE(scall) && scall[arg0].print) {
2320         scall[arg0].print(scall[arg0].name, arg1);
2321         return;
2322     }
2323     print_syscall_prologue(name);
2324     print_raw_param(TARGET_ABI_FMT_ld, arg0, 0);
2325     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
2326     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2327     print_raw_param(TARGET_ABI_FMT_ld, arg3, 0);
2328     print_raw_param(TARGET_ABI_FMT_ld, arg4, 0);
2329     print_raw_param(TARGET_ABI_FMT_ld, arg5, 0);
2330     print_syscall_epilogue(name);
2331 }
2332 #endif
2333
2334 #if defined(TARGET_NR_bind)
2335 static void
2336 print_bind(const struct syscallname *name,
2337            abi_long arg0, abi_long arg1, abi_long arg2,
2338            abi_long arg3, abi_long arg4, abi_long arg5)
2339 {
2340     print_syscall_prologue(name);
2341     print_sockfd(arg0, 0);
2342     print_sockaddr(arg1, arg2, 1);
2343     print_syscall_epilogue(name);
2344 }
2345 #endif
2346
2347 #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
2348     defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
2349 static void
2350 print_stat(const struct syscallname *name,
2351     abi_long arg0, abi_long arg1, abi_long arg2,
2352     abi_long arg3, abi_long arg4, abi_long arg5)
2353 {
2354     print_syscall_prologue(name);
2355     print_string(arg0, 0);
2356     print_pointer(arg1, 1);
2357     print_syscall_epilogue(name);
2358 }
2359 #define print_lstat     print_stat
2360 #define print_stat64    print_stat
2361 #define print_lstat64   print_stat
2362 #endif
2363
2364 #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
2365 static void
2366 print_fstat(const struct syscallname *name,
2367     abi_long arg0, abi_long arg1, abi_long arg2,
2368     abi_long arg3, abi_long arg4, abi_long arg5)
2369 {
2370     print_syscall_prologue(name);
2371     print_raw_param("%d", arg0, 0);
2372     print_pointer(arg1, 1);
2373     print_syscall_epilogue(name);
2374 }
2375 #define print_fstat64     print_fstat
2376 #endif
2377
2378 #ifdef TARGET_NR_mkdir
2379 static void
2380 print_mkdir(const struct syscallname *name,
2381     abi_long arg0, abi_long arg1, abi_long arg2,
2382     abi_long arg3, abi_long arg4, abi_long arg5)
2383 {
2384     print_syscall_prologue(name);
2385     print_string(arg0, 0);
2386     print_file_mode(arg1, 1);
2387     print_syscall_epilogue(name);
2388 }
2389 #endif
2390
2391 #ifdef TARGET_NR_mkdirat
2392 static void
2393 print_mkdirat(const struct syscallname *name,
2394     abi_long arg0, abi_long arg1, abi_long arg2,
2395     abi_long arg3, abi_long arg4, abi_long arg5)
2396 {
2397     print_syscall_prologue(name);
2398     print_at_dirfd(arg0, 0);
2399     print_string(arg1, 0);
2400     print_file_mode(arg2, 1);
2401     print_syscall_epilogue(name);
2402 }
2403 #endif
2404
2405 #ifdef TARGET_NR_rmdir
2406 static void
2407 print_rmdir(const struct syscallname *name,
2408     abi_long arg0, abi_long arg1, abi_long arg2,
2409     abi_long arg3, abi_long arg4, abi_long arg5)
2410 {
2411     print_syscall_prologue(name);
2412     print_string(arg0, 0);
2413     print_syscall_epilogue(name);
2414 }
2415 #endif
2416
2417 #ifdef TARGET_NR_rt_sigaction
2418 static void
2419 print_rt_sigaction(const struct syscallname *name,
2420     abi_long arg0, abi_long arg1, abi_long arg2,
2421     abi_long arg3, abi_long arg4, abi_long arg5)
2422 {
2423     print_syscall_prologue(name);
2424     print_signal(arg0, 0);
2425     print_pointer(arg1, 0);
2426     print_pointer(arg2, 1);
2427     print_syscall_epilogue(name);
2428 }
2429 #endif
2430
2431 #ifdef TARGET_NR_rt_sigprocmask
2432 static void
2433 print_rt_sigprocmask(const struct syscallname *name,
2434     abi_long arg0, abi_long arg1, abi_long arg2,
2435     abi_long arg3, abi_long arg4, abi_long arg5)
2436 {
2437     const char *how = "UNKNOWN";
2438     print_syscall_prologue(name);
2439     switch(arg0) {
2440     case TARGET_SIG_BLOCK: how = "SIG_BLOCK"; break;
2441     case TARGET_SIG_UNBLOCK: how = "SIG_UNBLOCK"; break;
2442     case TARGET_SIG_SETMASK: how = "SIG_SETMASK"; break;
2443     }
2444     qemu_log("%s,", how);
2445     print_pointer(arg1, 0);
2446     print_pointer(arg2, 1);
2447     print_syscall_epilogue(name);
2448 }
2449 #endif
2450
2451 #ifdef TARGET_NR_rt_sigqueueinfo
2452 static void
2453 print_rt_sigqueueinfo(const struct syscallname *name,
2454     abi_long arg0, abi_long arg1, abi_long arg2,
2455     abi_long arg3, abi_long arg4, abi_long arg5)
2456 {
2457     void *p;
2458     target_siginfo_t uinfo;
2459
2460     print_syscall_prologue(name);
2461     print_raw_param("%d", arg0, 0);
2462     print_signal(arg1, 0);
2463     p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1);
2464     if (p) {
2465         get_target_siginfo(&uinfo, p);
2466         print_siginfo(&uinfo);
2467
2468         unlock_user(p, arg2, 0);
2469     } else {
2470         print_pointer(arg2, 1);
2471     }
2472     print_syscall_epilogue(name);
2473 }
2474 #endif
2475
2476 #ifdef TARGET_NR_rt_tgsigqueueinfo
2477 static void
2478 print_rt_tgsigqueueinfo(const struct syscallname *name,
2479     abi_long arg0, abi_long arg1, abi_long arg2,
2480     abi_long arg3, abi_long arg4, abi_long arg5)
2481 {
2482     void *p;
2483     target_siginfo_t uinfo;
2484
2485     print_syscall_prologue(name);
2486     print_raw_param("%d", arg0, 0);
2487     print_raw_param("%d", arg1, 0);
2488     print_signal(arg2, 0);
2489     p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
2490     if (p) {
2491         get_target_siginfo(&uinfo, p);
2492         print_siginfo(&uinfo);
2493
2494         unlock_user(p, arg3, 0);
2495     } else {
2496         print_pointer(arg3, 1);
2497     }
2498     print_syscall_epilogue(name);
2499 }
2500 #endif
2501
2502 #ifdef TARGET_NR_syslog
2503 static void
2504 print_syslog_action(abi_ulong arg, int last)
2505 {
2506     const char *type;
2507
2508     switch (arg) {
2509         case TARGET_SYSLOG_ACTION_CLOSE: {
2510             type = "SYSLOG_ACTION_CLOSE";
2511             break;
2512         }
2513         case TARGET_SYSLOG_ACTION_OPEN: {
2514             type = "SYSLOG_ACTION_OPEN";
2515             break;
2516         }
2517         case TARGET_SYSLOG_ACTION_READ: {
2518             type = "SYSLOG_ACTION_READ";
2519             break;
2520         }
2521         case TARGET_SYSLOG_ACTION_READ_ALL: {
2522             type = "SYSLOG_ACTION_READ_ALL";
2523             break;
2524         }
2525         case TARGET_SYSLOG_ACTION_READ_CLEAR: {
2526             type = "SYSLOG_ACTION_READ_CLEAR";
2527             break;
2528         }
2529         case TARGET_SYSLOG_ACTION_CLEAR: {
2530             type = "SYSLOG_ACTION_CLEAR";
2531             break;
2532         }
2533         case TARGET_SYSLOG_ACTION_CONSOLE_OFF: {
2534             type = "SYSLOG_ACTION_CONSOLE_OFF";
2535             break;
2536         }
2537         case TARGET_SYSLOG_ACTION_CONSOLE_ON: {
2538             type = "SYSLOG_ACTION_CONSOLE_ON";
2539             break;
2540         }
2541         case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: {
2542             type = "SYSLOG_ACTION_CONSOLE_LEVEL";
2543             break;
2544         }
2545         case TARGET_SYSLOG_ACTION_SIZE_UNREAD: {
2546             type = "SYSLOG_ACTION_SIZE_UNREAD";
2547             break;
2548         }
2549         case TARGET_SYSLOG_ACTION_SIZE_BUFFER: {
2550             type = "SYSLOG_ACTION_SIZE_BUFFER";
2551             break;
2552         }
2553         default: {
2554             print_raw_param("%ld", arg, last);
2555             return;
2556         }
2557     }
2558     qemu_log("%s%s", type, get_comma(last));
2559 }
2560
2561 static void
2562 print_syslog(const struct syscallname *name,
2563     abi_long arg0, abi_long arg1, abi_long arg2,
2564     abi_long arg3, abi_long arg4, abi_long arg5)
2565 {
2566     print_syscall_prologue(name);
2567     print_syslog_action(arg0, 0);
2568     print_pointer(arg1, 0);
2569     print_raw_param("%d", arg2, 1);
2570     print_syscall_epilogue(name);
2571 }
2572 #endif
2573
2574 #ifdef TARGET_NR_mknod
2575 static void
2576 print_mknod(const struct syscallname *name,
2577     abi_long arg0, abi_long arg1, abi_long arg2,
2578     abi_long arg3, abi_long arg4, abi_long arg5)
2579 {
2580     int hasdev = (arg1 & (S_IFCHR|S_IFBLK));
2581
2582     print_syscall_prologue(name);
2583     print_string(arg0, 0);
2584     print_file_mode(arg1, (hasdev == 0));
2585     if (hasdev) {
2586         print_raw_param("makedev(%d", major(arg2), 0);
2587         print_raw_param("%d)", minor(arg2), 1);
2588     }
2589     print_syscall_epilogue(name);
2590 }
2591 #endif
2592
2593 #ifdef TARGET_NR_mknodat
2594 static void
2595 print_mknodat(const struct syscallname *name,
2596     abi_long arg0, abi_long arg1, abi_long arg2,
2597     abi_long arg3, abi_long arg4, abi_long arg5)
2598 {
2599     int hasdev = (arg2 & (S_IFCHR|S_IFBLK));
2600
2601     print_syscall_prologue(name);
2602     print_at_dirfd(arg0, 0);
2603     print_string(arg1, 0);
2604     print_file_mode(arg2, (hasdev == 0));
2605     if (hasdev) {
2606         print_raw_param("makedev(%d", major(arg3), 0);
2607         print_raw_param("%d)", minor(arg3), 1);
2608     }
2609     print_syscall_epilogue(name);
2610 }
2611 #endif
2612
2613 #ifdef TARGET_NR_mq_open
2614 static void
2615 print_mq_open(const struct syscallname *name,
2616     abi_long arg0, abi_long arg1, abi_long arg2,
2617     abi_long arg3, abi_long arg4, abi_long arg5)
2618 {
2619     int is_creat = (arg1 & TARGET_O_CREAT);
2620
2621     print_syscall_prologue(name);
2622     print_string(arg0, 0);
2623     print_open_flags(arg1, (is_creat == 0));
2624     if (is_creat) {
2625         print_file_mode(arg2, 0);
2626         print_pointer(arg3, 1);
2627     }
2628     print_syscall_epilogue(name);
2629 }
2630 #endif
2631
2632 #ifdef TARGET_NR_open
2633 static void
2634 print_open(const struct syscallname *name,
2635     abi_long arg0, abi_long arg1, abi_long arg2,
2636     abi_long arg3, abi_long arg4, abi_long arg5)
2637 {
2638     int is_creat = (arg1 & TARGET_O_CREAT);
2639
2640     print_syscall_prologue(name);
2641     print_string(arg0, 0);
2642     print_open_flags(arg1, (is_creat == 0));
2643     if (is_creat)
2644         print_file_mode(arg2, 1);
2645     print_syscall_epilogue(name);
2646 }
2647 #endif
2648
2649 #ifdef TARGET_NR_openat
2650 static void
2651 print_openat(const struct syscallname *name,
2652     abi_long arg0, abi_long arg1, abi_long arg2,
2653     abi_long arg3, abi_long arg4, abi_long arg5)
2654 {
2655     int is_creat = (arg2 & TARGET_O_CREAT);
2656
2657     print_syscall_prologue(name);
2658     print_at_dirfd(arg0, 0);
2659     print_string(arg1, 0);
2660     print_open_flags(arg2, (is_creat == 0));
2661     if (is_creat)
2662         print_file_mode(arg3, 1);
2663     print_syscall_epilogue(name);
2664 }
2665 #endif
2666
2667 #ifdef TARGET_NR_mq_unlink
2668 static void
2669 print_mq_unlink(const struct syscallname *name,
2670     abi_long arg0, abi_long arg1, abi_long arg2,
2671     abi_long arg3, abi_long arg4, abi_long arg5)
2672 {
2673     print_syscall_prologue(name);
2674     print_string(arg0, 1);
2675     print_syscall_epilogue(name);
2676 }
2677 #endif
2678
2679 #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
2680 static void
2681 print_fstatat64(const struct syscallname *name,
2682     abi_long arg0, abi_long arg1, abi_long arg2,
2683     abi_long arg3, abi_long arg4, abi_long arg5)
2684 {
2685     print_syscall_prologue(name);
2686     print_at_dirfd(arg0, 0);
2687     print_string(arg1, 0);
2688     print_pointer(arg2, 0);
2689     print_flags(at_file_flags, arg3, 1);
2690     print_syscall_epilogue(name);
2691 }
2692 #define print_newfstatat    print_fstatat64
2693 #endif
2694
2695 #ifdef TARGET_NR_readlink
2696 static void
2697 print_readlink(const struct syscallname *name,
2698     abi_long arg0, abi_long arg1, abi_long arg2,
2699     abi_long arg3, abi_long arg4, abi_long arg5)
2700 {
2701     print_syscall_prologue(name);
2702     print_string(arg0, 0);
2703     print_pointer(arg1, 0);
2704     print_raw_param("%u", arg2, 1);
2705     print_syscall_epilogue(name);
2706 }
2707 #endif
2708
2709 #ifdef TARGET_NR_readlinkat
2710 static void
2711 print_readlinkat(const struct syscallname *name,
2712     abi_long arg0, abi_long arg1, abi_long arg2,
2713     abi_long arg3, abi_long arg4, abi_long arg5)
2714 {
2715     print_syscall_prologue(name);
2716     print_at_dirfd(arg0, 0);
2717     print_string(arg1, 0);
2718     print_pointer(arg2, 0);
2719     print_raw_param("%u", arg3, 1);
2720     print_syscall_epilogue(name);
2721 }
2722 #endif
2723
2724 #ifdef TARGET_NR_rename
2725 static void
2726 print_rename(const struct syscallname *name,
2727     abi_long arg0, abi_long arg1, abi_long arg2,
2728     abi_long arg3, abi_long arg4, abi_long arg5)
2729 {
2730     print_syscall_prologue(name);
2731     print_string(arg0, 0);
2732     print_string(arg1, 1);
2733     print_syscall_epilogue(name);
2734 }
2735 #endif
2736
2737 #ifdef TARGET_NR_renameat
2738 static void
2739 print_renameat(const struct syscallname *name,
2740     abi_long arg0, abi_long arg1, abi_long arg2,
2741     abi_long arg3, abi_long arg4, abi_long arg5)
2742 {
2743     print_syscall_prologue(name);
2744     print_at_dirfd(arg0, 0);
2745     print_string(arg1, 0);
2746     print_at_dirfd(arg2, 0);
2747     print_string(arg3, 1);
2748     print_syscall_epilogue(name);
2749 }
2750 #endif
2751
2752 #ifdef TARGET_NR_statfs
2753 static void
2754 print_statfs(const struct syscallname *name,
2755     abi_long arg0, abi_long arg1, abi_long arg2,
2756     abi_long arg3, abi_long arg4, abi_long arg5)
2757 {
2758     print_syscall_prologue(name);
2759     print_string(arg0, 0);
2760     print_pointer(arg1, 1);
2761     print_syscall_epilogue(name);
2762 }
2763 #endif
2764
2765 #ifdef TARGET_NR_statfs64
2766 static void
2767 print_statfs64(const struct syscallname *name,
2768     abi_long arg0, abi_long arg1, abi_long arg2,
2769     abi_long arg3, abi_long arg4, abi_long arg5)
2770 {
2771     print_syscall_prologue(name);
2772     print_string(arg0, 0);
2773     print_pointer(arg1, 1);
2774     print_syscall_epilogue(name);
2775 }
2776 #endif
2777
2778 #ifdef TARGET_NR_symlink
2779 static void
2780 print_symlink(const struct syscallname *name,
2781     abi_long arg0, abi_long arg1, abi_long arg2,
2782     abi_long arg3, abi_long arg4, abi_long arg5)
2783 {
2784     print_syscall_prologue(name);
2785     print_string(arg0, 0);
2786     print_string(arg1, 1);
2787     print_syscall_epilogue(name);
2788 }
2789 #endif
2790
2791 #ifdef TARGET_NR_symlinkat
2792 static void
2793 print_symlinkat(const struct syscallname *name,
2794     abi_long arg0, abi_long arg1, abi_long arg2,
2795     abi_long arg3, abi_long arg4, abi_long arg5)
2796 {
2797     print_syscall_prologue(name);
2798     print_string(arg0, 0);
2799     print_at_dirfd(arg1, 0);
2800     print_string(arg2, 1);
2801     print_syscall_epilogue(name);
2802 }
2803 #endif
2804
2805 #ifdef TARGET_NR_mount
2806 static void
2807 print_mount(const struct syscallname *name,
2808     abi_long arg0, abi_long arg1, abi_long arg2,
2809     abi_long arg3, abi_long arg4, abi_long arg5)
2810 {
2811     print_syscall_prologue(name);
2812     print_string(arg0, 0);
2813     print_string(arg1, 0);
2814     print_string(arg2, 0);
2815     print_flags(mount_flags, arg3, 0);
2816     print_pointer(arg4, 1);
2817     print_syscall_epilogue(name);
2818 }
2819 #endif
2820
2821 #ifdef TARGET_NR_umount
2822 static void
2823 print_umount(const struct syscallname *name,
2824     abi_long arg0, abi_long arg1, abi_long arg2,
2825     abi_long arg3, abi_long arg4, abi_long arg5)
2826 {
2827     print_syscall_prologue(name);
2828     print_string(arg0, 1);
2829     print_syscall_epilogue(name);
2830 }
2831 #endif
2832
2833 #ifdef TARGET_NR_umount2
2834 static void
2835 print_umount2(const struct syscallname *name,
2836     abi_long arg0, abi_long arg1, abi_long arg2,
2837     abi_long arg3, abi_long arg4, abi_long arg5)
2838 {
2839     print_syscall_prologue(name);
2840     print_string(arg0, 0);
2841     print_flags(umount2_flags, arg1, 1);
2842     print_syscall_epilogue(name);
2843 }
2844 #endif
2845
2846 #ifdef TARGET_NR_unlink
2847 static void
2848 print_unlink(const struct syscallname *name,
2849     abi_long arg0, abi_long arg1, abi_long arg2,
2850     abi_long arg3, abi_long arg4, abi_long arg5)
2851 {
2852     print_syscall_prologue(name);
2853     print_string(arg0, 1);
2854     print_syscall_epilogue(name);
2855 }
2856 #endif
2857
2858 #ifdef TARGET_NR_unlinkat
2859 static void
2860 print_unlinkat(const struct syscallname *name,
2861     abi_long arg0, abi_long arg1, abi_long arg2,
2862     abi_long arg3, abi_long arg4, abi_long arg5)
2863 {
2864     print_syscall_prologue(name);
2865     print_at_dirfd(arg0, 0);
2866     print_string(arg1, 0);
2867     print_flags(unlinkat_flags, arg2, 1);
2868     print_syscall_epilogue(name);
2869 }
2870 #endif
2871
2872 #ifdef TARGET_NR_utime
2873 static void
2874 print_utime(const struct syscallname *name,
2875     abi_long arg0, abi_long arg1, abi_long arg2,
2876     abi_long arg3, abi_long arg4, abi_long arg5)
2877 {
2878     print_syscall_prologue(name);
2879     print_string(arg0, 0);
2880     print_pointer(arg1, 1);
2881     print_syscall_epilogue(name);
2882 }
2883 #endif
2884
2885 #ifdef TARGET_NR_utimes
2886 static void
2887 print_utimes(const struct syscallname *name,
2888     abi_long arg0, abi_long arg1, abi_long arg2,
2889     abi_long arg3, abi_long arg4, abi_long arg5)
2890 {
2891     print_syscall_prologue(name);
2892     print_string(arg0, 0);
2893     print_pointer(arg1, 1);
2894     print_syscall_epilogue(name);
2895 }
2896 #endif
2897
2898 #ifdef TARGET_NR_utimensat
2899 static void
2900 print_utimensat(const struct syscallname *name,
2901     abi_long arg0, abi_long arg1, abi_long arg2,
2902     abi_long arg3, abi_long arg4, abi_long arg5)
2903 {
2904     print_syscall_prologue(name);
2905     print_at_dirfd(arg0, 0);
2906     print_string(arg1, 0);
2907     print_pointer(arg2, 0);
2908     print_flags(at_file_flags, arg3, 1);
2909     print_syscall_epilogue(name);
2910 }
2911 #endif
2912
2913 #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2)
2914 static void
2915 print_mmap(const struct syscallname *name,
2916     abi_long arg0, abi_long arg1, abi_long arg2,
2917     abi_long arg3, abi_long arg4, abi_long arg5)
2918 {
2919     print_syscall_prologue(name);
2920     print_pointer(arg0, 0);
2921     print_raw_param("%d", arg1, 0);
2922     print_flags(mmap_prot_flags, arg2, 0);
2923     print_flags(mmap_flags, arg3, 0);
2924     print_raw_param("%d", arg4, 0);
2925     print_raw_param("%#x", arg5, 1);
2926     print_syscall_epilogue(name);
2927 }
2928 #define print_mmap2     print_mmap
2929 #endif
2930
2931 #ifdef TARGET_NR_mprotect
2932 static void
2933 print_mprotect(const struct syscallname *name,
2934     abi_long arg0, abi_long arg1, abi_long arg2,
2935     abi_long arg3, abi_long arg4, abi_long arg5)
2936 {
2937     print_syscall_prologue(name);
2938     print_pointer(arg0, 0);
2939     print_raw_param("%d", arg1, 0);
2940     print_flags(mmap_prot_flags, arg2, 1);
2941     print_syscall_epilogue(name);
2942 }
2943 #endif
2944
2945 #ifdef TARGET_NR_munmap
2946 static void
2947 print_munmap(const struct syscallname *name,
2948     abi_long arg0, abi_long arg1, abi_long arg2,
2949     abi_long arg3, abi_long arg4, abi_long arg5)
2950 {
2951     print_syscall_prologue(name);
2952     print_pointer(arg0, 0);
2953     print_raw_param("%d", arg1, 1);
2954     print_syscall_epilogue(name);
2955 }
2956 #endif
2957
2958 #ifdef TARGET_NR_futex
2959 static void print_futex_op(abi_long tflag, int last)
2960 {
2961 #define print_op(val) \
2962 if( cmd == val ) { \
2963     qemu_log(#val); \
2964     return; \
2965 }
2966
2967     int cmd = (int)tflag;
2968 #ifdef FUTEX_PRIVATE_FLAG
2969     if (cmd & FUTEX_PRIVATE_FLAG) {
2970         qemu_log("FUTEX_PRIVATE_FLAG|");
2971         cmd &= ~FUTEX_PRIVATE_FLAG;
2972     }
2973 #endif
2974 #ifdef FUTEX_CLOCK_REALTIME
2975     if (cmd & FUTEX_CLOCK_REALTIME) {
2976         qemu_log("FUTEX_CLOCK_REALTIME|");
2977         cmd &= ~FUTEX_CLOCK_REALTIME;
2978     }
2979 #endif
2980     print_op(FUTEX_WAIT)
2981     print_op(FUTEX_WAKE)
2982     print_op(FUTEX_FD)
2983     print_op(FUTEX_REQUEUE)
2984     print_op(FUTEX_CMP_REQUEUE)
2985     print_op(FUTEX_WAKE_OP)
2986     print_op(FUTEX_LOCK_PI)
2987     print_op(FUTEX_UNLOCK_PI)
2988     print_op(FUTEX_TRYLOCK_PI)
2989 #ifdef FUTEX_WAIT_BITSET
2990     print_op(FUTEX_WAIT_BITSET)
2991 #endif
2992 #ifdef FUTEX_WAKE_BITSET
2993     print_op(FUTEX_WAKE_BITSET)
2994 #endif
2995     /* unknown values */
2996     qemu_log("%d", cmd);
2997 }
2998
2999 static void
3000 print_futex(const struct syscallname *name,
3001     abi_long arg0, abi_long arg1, abi_long arg2,
3002     abi_long arg3, abi_long arg4, abi_long arg5)
3003 {
3004     print_syscall_prologue(name);
3005     print_pointer(arg0, 0);
3006     print_futex_op(arg1, 0);
3007     print_raw_param(",%d", arg2, 0);
3008     print_pointer(arg3, 0); /* struct timespec */
3009     print_pointer(arg4, 0);
3010     print_raw_param("%d", arg4, 1);
3011     print_syscall_epilogue(name);
3012 }
3013 #endif
3014
3015 #ifdef TARGET_NR_kill
3016 static void
3017 print_kill(const struct syscallname *name,
3018     abi_long arg0, abi_long arg1, abi_long arg2,
3019     abi_long arg3, abi_long arg4, abi_long arg5)
3020 {
3021     print_syscall_prologue(name);
3022     print_raw_param("%d", arg0, 0);
3023     print_signal(arg1, 1);
3024     print_syscall_epilogue(name);
3025 }
3026 #endif
3027
3028 #ifdef TARGET_NR_tkill
3029 static void
3030 print_tkill(const struct syscallname *name,
3031     abi_long arg0, abi_long arg1, abi_long arg2,
3032     abi_long arg3, abi_long arg4, abi_long arg5)
3033 {
3034     print_syscall_prologue(name);
3035     print_raw_param("%d", arg0, 0);
3036     print_signal(arg1, 1);
3037     print_syscall_epilogue(name);
3038 }
3039 #endif
3040
3041 #ifdef TARGET_NR_tgkill
3042 static void
3043 print_tgkill(const struct syscallname *name,
3044     abi_long arg0, abi_long arg1, abi_long arg2,
3045     abi_long arg3, abi_long arg4, abi_long arg5)
3046 {
3047     print_syscall_prologue(name);
3048     print_raw_param("%d", arg0, 0);
3049     print_raw_param("%d", arg1, 0);
3050     print_signal(arg2, 1);
3051     print_syscall_epilogue(name);
3052 }
3053 #endif
3054
3055 #ifdef TARGET_NR_statx
3056 static void
3057 print_statx(const struct syscallname *name,
3058             abi_long arg0, abi_long arg1, abi_long arg2,
3059             abi_long arg3, abi_long arg4, abi_long arg5)
3060 {
3061     print_syscall_prologue(name);
3062     print_at_dirfd(arg0, 0);
3063     print_string(arg1, 0);
3064     print_flags(statx_flags, arg2, 0);
3065     print_flags(statx_mask, arg3, 0);
3066     print_pointer(arg4, 1);
3067     print_syscall_epilogue(name);
3068 }
3069 #endif
3070
3071 #ifdef TARGET_NR_ioctl
3072 static void
3073 print_ioctl(const struct syscallname *name,
3074             abi_long arg0, abi_long arg1, abi_long arg2,
3075             abi_long arg3, abi_long arg4, abi_long arg5)
3076 {
3077     print_syscall_prologue(name);
3078     print_raw_param("%d", arg0, 0);
3079
3080     const IOCTLEntry *ie;
3081     const argtype *arg_type;
3082     void *argptr;
3083     int target_size;
3084
3085     for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
3086         if (ie->target_cmd == arg1) {
3087             break;
3088         }
3089     }
3090
3091     if (ie->target_cmd == 0) {
3092         print_raw_param("%#x", arg1, 0);
3093         print_raw_param("%#x", arg2, 1);
3094     } else {
3095         qemu_log("%s", ie->name);
3096         arg_type = ie->arg_type;
3097
3098         if (arg_type[0] != TYPE_NULL) {
3099             qemu_log(",");
3100
3101             switch (arg_type[0]) {
3102             case TYPE_PTRVOID:
3103                 print_pointer(arg2, 1);
3104                 break;
3105             case TYPE_CHAR:
3106             case TYPE_SHORT:
3107             case TYPE_INT:
3108                 print_raw_param("%d", arg2, 1);
3109                 break;
3110             case TYPE_LONG:
3111                 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
3112                 break;
3113             case TYPE_ULONG:
3114                 print_raw_param(TARGET_ABI_FMT_lu, arg2, 1);
3115                 break;
3116             case TYPE_PTR:
3117                 switch (ie->access) {
3118                 case IOC_R:
3119                     print_pointer(arg2, 1);
3120                     break;
3121                 case IOC_W:
3122                 case IOC_RW:
3123                     arg_type++;
3124                     target_size = thunk_type_size(arg_type, 0);
3125                     argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
3126                     if (argptr) {
3127                         thunk_print(argptr, arg_type);
3128                         unlock_user(argptr, arg2, target_size);
3129                     } else {
3130                         print_pointer(arg2, 1);
3131                     }
3132                     break;
3133                 }
3134                 break;
3135             default:
3136                 g_assert_not_reached();
3137             }
3138         }
3139     }
3140     print_syscall_epilogue(name);
3141 }
3142 #endif
3143
3144 /*
3145  * An array of all of the syscalls we know about
3146  */
3147
3148 static const struct syscallname scnames[] = {
3149 #include "strace.list"
3150 };
3151
3152 static int nsyscalls = ARRAY_SIZE(scnames);
3153
3154 /*
3155  * The public interface to this module.
3156  */
3157 void
3158 print_syscall(int num,
3159               abi_long arg1, abi_long arg2, abi_long arg3,
3160               abi_long arg4, abi_long arg5, abi_long arg6)
3161 {
3162     int i;
3163     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 ")";
3164
3165     qemu_log("%d ", getpid());
3166
3167     for(i=0;i<nsyscalls;i++)
3168         if( scnames[i].nr == num ) {
3169             if( scnames[i].call != NULL ) {
3170                 scnames[i].call(
3171                     &scnames[i], arg1, arg2, arg3, arg4, arg5, arg6);
3172             } else {
3173                 /* XXX: this format system is broken because it uses
3174                    host types and host pointers for strings */
3175                 if( scnames[i].format != NULL )
3176                     format = scnames[i].format;
3177                 qemu_log(format,
3178                          scnames[i].name, arg1, arg2, arg3, arg4, arg5, arg6);
3179             }
3180             return;
3181         }
3182     qemu_log("Unknown syscall %d\n", num);
3183 }
3184
3185
3186 void
3187 print_syscall_ret(int num, abi_long ret,
3188                   abi_long arg1, abi_long arg2, abi_long arg3,
3189                   abi_long arg4, abi_long arg5, abi_long arg6)
3190 {
3191     int i;
3192
3193     for(i=0;i<nsyscalls;i++)
3194         if( scnames[i].nr == num ) {
3195             if( scnames[i].result != NULL ) {
3196                 scnames[i].result(&scnames[i], ret,
3197                                   arg1, arg2, arg3,
3198                                   arg4, arg5, arg6);
3199             } else {
3200                 print_syscall_err(ret);
3201
3202                 if (ret >= 0) {
3203                     qemu_log(TARGET_ABI_FMT_ld, ret);
3204                 }
3205                 qemu_log("\n");
3206             }
3207             break;
3208         }
3209 }
3210
3211 void print_taken_signal(int target_signum, const target_siginfo_t *tinfo)
3212 {
3213     /* Print the strace output for a signal being taken:
3214      * --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=0} ---
3215      */
3216     qemu_log("--- ");
3217     print_signal(target_signum, 1);
3218     qemu_log(" ");
3219     print_siginfo(tinfo);
3220     qemu_log(" ---\n");
3221 }