qemu

FORK: QEMU emulator
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strace.c (113126B)


      1 #include "qemu/osdep.h"
      2 
      3 #include <sys/ipc.h>
      4 #include <sys/msg.h>
      5 #include <sys/sem.h>
      6 #include <sys/shm.h>
      7 #include <sys/select.h>
      8 #include <sys/mount.h>
      9 #include <arpa/inet.h>
     10 #include <netinet/in.h>
     11 #include <netinet/tcp.h>
     12 #include <netinet/udp.h>
     13 #include <linux/if_packet.h>
     14 #include <linux/in6.h>
     15 #include <linux/netlink.h>
     16 #include <sched.h>
     17 #include "qemu.h"
     18 #include "user-internals.h"
     19 #include "strace.h"
     20 #include "signal-common.h"
     21 #include "target_mman.h"
     22 
     23 struct syscallname {
     24     int nr;
     25     const char *name;
     26     const char *format;
     27     void (*call)(CPUArchState *, const struct syscallname *,
     28                  abi_long, abi_long, abi_long,
     29                  abi_long, abi_long, abi_long);
     30     void (*result)(CPUArchState *, const struct syscallname *, abi_long,
     31                    abi_long, abi_long, abi_long,
     32                    abi_long, abi_long, abi_long);
     33 };
     34 
     35 /*
     36  * It is possible that target doesn't have syscall that uses
     37  * following flags but we don't want the compiler to warn
     38  * us about them being unused.  Same applies to utility print
     39  * functions.  It is ok to keep them while not used.
     40  */
     41 #define UNUSED __attribute__ ((unused))
     42 
     43 /*
     44  * Structure used to translate flag values into strings.  This is
     45  * similar that is in the actual strace tool.
     46  */
     47 struct flags {
     48     abi_long    f_value;  /* flag */
     49     const char  *f_string; /* stringified flag */
     50 };
     51 
     52 /* common flags for all architectures */
     53 #define FLAG_GENERIC(name) { name, #name }
     54 /* target specific flags (syscall_defs.h has TARGET_<flag>) */
     55 #define FLAG_TARGET(name)  { TARGET_ ## name, #name }
     56 /* end of flags array */
     57 #define FLAG_END           { 0, NULL }
     58 
     59 /* Structure used to translate enumerated values into strings */
     60 struct enums {
     61     abi_long    e_value;   /* enum value */
     62     const char  *e_string; /* stringified enum */
     63 };
     64 
     65 /* common enums for all architectures */
     66 #define ENUM_GENERIC(name) { name, #name }
     67 /* target specific enums */
     68 #define ENUM_TARGET(name)  { TARGET_ ## name, #name }
     69 /* end of enums array */
     70 #define ENUM_END           { 0, NULL }
     71 
     72 UNUSED static const char *get_comma(int);
     73 UNUSED static void print_pointer(abi_long, int);
     74 UNUSED static void print_flags(const struct flags *, abi_long, int);
     75 UNUSED static void print_enums(const struct enums *, abi_long, int);
     76 UNUSED static void print_at_dirfd(abi_long, int);
     77 UNUSED static void print_file_mode(abi_long, int);
     78 UNUSED static void print_open_flags(abi_long, int);
     79 UNUSED static void print_syscall_prologue(const struct syscallname *);
     80 UNUSED static void print_syscall_epilogue(const struct syscallname *);
     81 UNUSED static void print_string(abi_long, int);
     82 UNUSED static void print_buf(abi_long addr, abi_long len, int last);
     83 UNUSED static void print_raw_param(const char *, abi_long, int);
     84 UNUSED static void print_timeval(abi_ulong, int);
     85 UNUSED static void print_timespec(abi_ulong, int);
     86 UNUSED static void print_timespec64(abi_ulong, int);
     87 UNUSED static void print_timezone(abi_ulong, int);
     88 UNUSED static void print_itimerval(abi_ulong, int);
     89 UNUSED static void print_number(abi_long, int);
     90 UNUSED static void print_signal(abi_ulong, int);
     91 UNUSED static void print_sockaddr(abi_ulong, abi_long, int);
     92 UNUSED static void print_socket_domain(int domain);
     93 UNUSED static void print_socket_type(int type);
     94 UNUSED static void print_socket_protocol(int domain, int type, int protocol);
     95 
     96 /*
     97  * Utility functions
     98  */
     99 static void
    100 print_ipc_cmd(int cmd)
    101 {
    102 #define output_cmd(val) \
    103 if( cmd == val ) { \
    104     qemu_log(#val); \
    105     return; \
    106 }
    107 
    108     cmd &= 0xff;
    109 
    110     /* General IPC commands */
    111     output_cmd( IPC_RMID );
    112     output_cmd( IPC_SET );
    113     output_cmd( IPC_STAT );
    114     output_cmd( IPC_INFO );
    115     /* msgctl() commands */
    116     output_cmd( MSG_STAT );
    117     output_cmd( MSG_INFO );
    118     /* shmctl() commands */
    119     output_cmd( SHM_LOCK );
    120     output_cmd( SHM_UNLOCK );
    121     output_cmd( SHM_STAT );
    122     output_cmd( SHM_INFO );
    123     /* semctl() commands */
    124     output_cmd( GETPID );
    125     output_cmd( GETVAL );
    126     output_cmd( GETALL );
    127     output_cmd( GETNCNT );
    128     output_cmd( GETZCNT );
    129     output_cmd( SETVAL );
    130     output_cmd( SETALL );
    131     output_cmd( SEM_STAT );
    132     output_cmd( SEM_INFO );
    133     output_cmd( IPC_RMID );
    134     output_cmd( IPC_RMID );
    135     output_cmd( IPC_RMID );
    136     output_cmd( IPC_RMID );
    137     output_cmd( IPC_RMID );
    138     output_cmd( IPC_RMID );
    139     output_cmd( IPC_RMID );
    140     output_cmd( IPC_RMID );
    141     output_cmd( IPC_RMID );
    142 
    143     /* Some value we don't recognize */
    144     qemu_log("%d", cmd);
    145 }
    146 
    147 static const char * const target_signal_name[] = {
    148 #define MAKE_SIG_ENTRY(sig)     [TARGET_##sig] = #sig,
    149         MAKE_SIGNAL_LIST
    150 #undef MAKE_SIG_ENTRY
    151 };
    152 
    153 static void
    154 print_signal(abi_ulong arg, int last)
    155 {
    156     const char *signal_name = NULL;
    157 
    158     if (arg < ARRAY_SIZE(target_signal_name)) {
    159         signal_name = target_signal_name[arg];
    160     }
    161 
    162     if (signal_name == NULL) {
    163         print_raw_param("%ld", arg, last);
    164         return;
    165     }
    166     qemu_log("%s%s", signal_name, get_comma(last));
    167 }
    168 
    169 static void print_si_code(int arg)
    170 {
    171     const char *codename = NULL;
    172 
    173     switch (arg) {
    174     case SI_USER:
    175         codename = "SI_USER";
    176         break;
    177     case SI_KERNEL:
    178         codename = "SI_KERNEL";
    179         break;
    180     case SI_QUEUE:
    181         codename = "SI_QUEUE";
    182         break;
    183     case SI_TIMER:
    184         codename = "SI_TIMER";
    185         break;
    186     case SI_MESGQ:
    187         codename = "SI_MESGQ";
    188         break;
    189     case SI_ASYNCIO:
    190         codename = "SI_ASYNCIO";
    191         break;
    192     case SI_SIGIO:
    193         codename = "SI_SIGIO";
    194         break;
    195     case SI_TKILL:
    196         codename = "SI_TKILL";
    197         break;
    198     default:
    199         qemu_log("%d", arg);
    200         return;
    201     }
    202     qemu_log("%s", codename);
    203 }
    204 
    205 static void get_target_siginfo(target_siginfo_t *tinfo,
    206                                 const target_siginfo_t *info)
    207 {
    208     abi_ulong sival_ptr;
    209 
    210     int sig;
    211     int si_errno;
    212     int si_code;
    213     int si_type;
    214 
    215     __get_user(sig, &info->si_signo);
    216     __get_user(si_errno, &tinfo->si_errno);
    217     __get_user(si_code, &info->si_code);
    218 
    219     tinfo->si_signo = sig;
    220     tinfo->si_errno = si_errno;
    221     tinfo->si_code = si_code;
    222 
    223     /* Ensure we don't leak random junk to the guest later */
    224     memset(tinfo->_sifields._pad, 0, sizeof(tinfo->_sifields._pad));
    225 
    226     /* This is awkward, because we have to use a combination of
    227      * the si_code and si_signo to figure out which of the union's
    228      * members are valid. (Within the host kernel it is always possible
    229      * to tell, but the kernel carefully avoids giving userspace the
    230      * high 16 bits of si_code, so we don't have the information to
    231      * do this the easy way...) We therefore make our best guess,
    232      * bearing in mind that a guest can spoof most of the si_codes
    233      * via rt_sigqueueinfo() if it likes.
    234      *
    235      * Once we have made our guess, we record it in the top 16 bits of
    236      * the si_code, so that print_siginfo() later can use it.
    237      * print_siginfo() will strip these top bits out before printing
    238      * the si_code.
    239      */
    240 
    241     switch (si_code) {
    242     case SI_USER:
    243     case SI_TKILL:
    244     case SI_KERNEL:
    245         /* Sent via kill(), tkill() or tgkill(), or direct from the kernel.
    246          * These are the only unspoofable si_code values.
    247          */
    248         __get_user(tinfo->_sifields._kill._pid, &info->_sifields._kill._pid);
    249         __get_user(tinfo->_sifields._kill._uid, &info->_sifields._kill._uid);
    250         si_type = QEMU_SI_KILL;
    251         break;
    252     default:
    253         /* Everything else is spoofable. Make best guess based on signal */
    254         switch (sig) {
    255         case TARGET_SIGCHLD:
    256             __get_user(tinfo->_sifields._sigchld._pid,
    257                        &info->_sifields._sigchld._pid);
    258             __get_user(tinfo->_sifields._sigchld._uid,
    259                        &info->_sifields._sigchld._uid);
    260             __get_user(tinfo->_sifields._sigchld._status,
    261                        &info->_sifields._sigchld._status);
    262             __get_user(tinfo->_sifields._sigchld._utime,
    263                        &info->_sifields._sigchld._utime);
    264             __get_user(tinfo->_sifields._sigchld._stime,
    265                        &info->_sifields._sigchld._stime);
    266             si_type = QEMU_SI_CHLD;
    267             break;
    268         case TARGET_SIGIO:
    269             __get_user(tinfo->_sifields._sigpoll._band,
    270                        &info->_sifields._sigpoll._band);
    271             __get_user(tinfo->_sifields._sigpoll._fd,
    272                        &info->_sifields._sigpoll._fd);
    273             si_type = QEMU_SI_POLL;
    274             break;
    275         default:
    276             /* Assume a sigqueue()/mq_notify()/rt_sigqueueinfo() source. */
    277             __get_user(tinfo->_sifields._rt._pid, &info->_sifields._rt._pid);
    278             __get_user(tinfo->_sifields._rt._uid, &info->_sifields._rt._uid);
    279             /* XXX: potential problem if 64 bit */
    280             __get_user(sival_ptr, &info->_sifields._rt._sigval.sival_ptr);
    281             tinfo->_sifields._rt._sigval.sival_ptr = sival_ptr;
    282 
    283             si_type = QEMU_SI_RT;
    284             break;
    285         }
    286         break;
    287     }
    288 
    289     tinfo->si_code = deposit32(si_code, 16, 16, si_type);
    290 }
    291 
    292 static void print_siginfo(const target_siginfo_t *tinfo)
    293 {
    294     /* Print a target_siginfo_t in the format desired for printing
    295      * signals being taken. We assume the target_siginfo_t is in the
    296      * internal form where the top 16 bits of si_code indicate which
    297      * part of the union is valid, rather than in the guest-visible
    298      * form where the bottom 16 bits are sign-extended into the top 16.
    299      */
    300     int si_type = extract32(tinfo->si_code, 16, 16);
    301     int si_code = sextract32(tinfo->si_code, 0, 16);
    302 
    303     qemu_log("{si_signo=");
    304     print_signal(tinfo->si_signo, 1);
    305     qemu_log(", si_code=");
    306     print_si_code(si_code);
    307 
    308     switch (si_type) {
    309     case QEMU_SI_KILL:
    310         qemu_log(", si_pid=%u, si_uid=%u",
    311                  (unsigned int)tinfo->_sifields._kill._pid,
    312                  (unsigned int)tinfo->_sifields._kill._uid);
    313         break;
    314     case QEMU_SI_TIMER:
    315         qemu_log(", si_timer1=%u, si_timer2=%u",
    316                  tinfo->_sifields._timer._timer1,
    317                  tinfo->_sifields._timer._timer2);
    318         break;
    319     case QEMU_SI_POLL:
    320         qemu_log(", si_band=%d, si_fd=%d",
    321                  tinfo->_sifields._sigpoll._band,
    322                  tinfo->_sifields._sigpoll._fd);
    323         break;
    324     case QEMU_SI_FAULT:
    325         qemu_log(", si_addr=");
    326         print_pointer(tinfo->_sifields._sigfault._addr, 1);
    327         break;
    328     case QEMU_SI_CHLD:
    329         qemu_log(", si_pid=%u, si_uid=%u, si_status=%d"
    330                  ", si_utime=" TARGET_ABI_FMT_ld
    331                  ", si_stime=" TARGET_ABI_FMT_ld,
    332                  (unsigned int)(tinfo->_sifields._sigchld._pid),
    333                  (unsigned int)(tinfo->_sifields._sigchld._uid),
    334                  tinfo->_sifields._sigchld._status,
    335                  tinfo->_sifields._sigchld._utime,
    336                  tinfo->_sifields._sigchld._stime);
    337         break;
    338     case QEMU_SI_RT:
    339         qemu_log(", si_pid=%u, si_uid=%u, si_sigval=" TARGET_ABI_FMT_ld,
    340                  (unsigned int)tinfo->_sifields._rt._pid,
    341                  (unsigned int)tinfo->_sifields._rt._uid,
    342                  tinfo->_sifields._rt._sigval.sival_ptr);
    343         break;
    344     default:
    345         g_assert_not_reached();
    346     }
    347     qemu_log("}");
    348 }
    349 
    350 static void
    351 print_sockaddr(abi_ulong addr, abi_long addrlen, int last)
    352 {
    353     struct target_sockaddr *sa;
    354     int i;
    355     int sa_family;
    356 
    357     sa = lock_user(VERIFY_READ, addr, addrlen, 1);
    358     if (sa) {
    359         sa_family = tswap16(sa->sa_family);
    360         switch (sa_family) {
    361         case AF_UNIX: {
    362             struct target_sockaddr_un *un = (struct target_sockaddr_un *)sa;
    363             int i;
    364             qemu_log("{sun_family=AF_UNIX,sun_path=\"");
    365             for (i = 0; i < addrlen -
    366                             offsetof(struct target_sockaddr_un, sun_path) &&
    367                  un->sun_path[i]; i++) {
    368                 qemu_log("%c", un->sun_path[i]);
    369             }
    370             qemu_log("\"}");
    371             break;
    372         }
    373         case AF_INET: {
    374             struct target_sockaddr_in *in = (struct target_sockaddr_in *)sa;
    375             uint8_t *c = (uint8_t *)&in->sin_addr.s_addr;
    376             qemu_log("{sin_family=AF_INET,sin_port=htons(%d),",
    377                      ntohs(in->sin_port));
    378             qemu_log("sin_addr=inet_addr(\"%d.%d.%d.%d\")",
    379                      c[0], c[1], c[2], c[3]);
    380             qemu_log("}");
    381             break;
    382         }
    383         case AF_PACKET: {
    384             struct target_sockaddr_ll *ll = (struct target_sockaddr_ll *)sa;
    385             uint8_t *c = (uint8_t *)&ll->sll_addr;
    386             qemu_log("{sll_family=AF_PACKET,"
    387                      "sll_protocol=htons(0x%04x),if%d,pkttype=",
    388                      ntohs(ll->sll_protocol), ll->sll_ifindex);
    389             switch (ll->sll_pkttype) {
    390             case PACKET_HOST:
    391                 qemu_log("PACKET_HOST");
    392                 break;
    393             case PACKET_BROADCAST:
    394                 qemu_log("PACKET_BROADCAST");
    395                 break;
    396             case PACKET_MULTICAST:
    397                 qemu_log("PACKET_MULTICAST");
    398                 break;
    399             case PACKET_OTHERHOST:
    400                 qemu_log("PACKET_OTHERHOST");
    401                 break;
    402             case PACKET_OUTGOING:
    403                 qemu_log("PACKET_OUTGOING");
    404                 break;
    405             default:
    406                 qemu_log("%d", ll->sll_pkttype);
    407                 break;
    408             }
    409             qemu_log(",sll_addr=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
    410                      c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
    411             qemu_log("}");
    412             break;
    413         }
    414         case AF_NETLINK: {
    415             struct target_sockaddr_nl *nl = (struct target_sockaddr_nl *)sa;
    416             qemu_log("{nl_family=AF_NETLINK,nl_pid=%u,nl_groups=%u}",
    417                      tswap32(nl->nl_pid), tswap32(nl->nl_groups));
    418             break;
    419         }
    420         default:
    421             qemu_log("{sa_family=%d, sa_data={", sa->sa_family);
    422             for (i = 0; i < 13; i++) {
    423                 qemu_log("%02x, ", sa->sa_data[i]);
    424             }
    425             qemu_log("%02x}", sa->sa_data[i]);
    426             qemu_log("}");
    427             break;
    428         }
    429         unlock_user(sa, addr, 0);
    430     } else {
    431         print_raw_param("0x"TARGET_ABI_FMT_lx, addr, 0);
    432     }
    433     qemu_log(", "TARGET_ABI_FMT_ld"%s", addrlen, get_comma(last));
    434 }
    435 
    436 static void
    437 print_socket_domain(int domain)
    438 {
    439     switch (domain) {
    440     case PF_UNIX:
    441         qemu_log("PF_UNIX");
    442         break;
    443     case PF_INET:
    444         qemu_log("PF_INET");
    445         break;
    446     case PF_NETLINK:
    447         qemu_log("PF_NETLINK");
    448         break;
    449     case PF_PACKET:
    450         qemu_log("PF_PACKET");
    451         break;
    452     default:
    453         qemu_log("%d", domain);
    454         break;
    455     }
    456 }
    457 
    458 static void
    459 print_socket_type(int type)
    460 {
    461     switch (type & TARGET_SOCK_TYPE_MASK) {
    462     case TARGET_SOCK_DGRAM:
    463         qemu_log("SOCK_DGRAM");
    464         break;
    465     case TARGET_SOCK_STREAM:
    466         qemu_log("SOCK_STREAM");
    467         break;
    468     case TARGET_SOCK_RAW:
    469         qemu_log("SOCK_RAW");
    470         break;
    471     case TARGET_SOCK_RDM:
    472         qemu_log("SOCK_RDM");
    473         break;
    474     case TARGET_SOCK_SEQPACKET:
    475         qemu_log("SOCK_SEQPACKET");
    476         break;
    477     case TARGET_SOCK_PACKET:
    478         qemu_log("SOCK_PACKET");
    479         break;
    480     }
    481     if (type & TARGET_SOCK_CLOEXEC) {
    482         qemu_log("|SOCK_CLOEXEC");
    483     }
    484     if (type & TARGET_SOCK_NONBLOCK) {
    485         qemu_log("|SOCK_NONBLOCK");
    486     }
    487 }
    488 
    489 static void
    490 print_socket_protocol(int domain, int type, int protocol)
    491 {
    492     if (domain == AF_PACKET ||
    493         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
    494         switch (protocol) {
    495         case 0x0003:
    496             qemu_log("ETH_P_ALL");
    497             break;
    498         default:
    499             qemu_log("%d", protocol);
    500         }
    501         return;
    502     }
    503 
    504     if (domain == PF_NETLINK) {
    505         switch (protocol) {
    506         case NETLINK_ROUTE:
    507             qemu_log("NETLINK_ROUTE");
    508             break;
    509         case NETLINK_AUDIT:
    510             qemu_log("NETLINK_AUDIT");
    511             break;
    512         case NETLINK_NETFILTER:
    513             qemu_log("NETLINK_NETFILTER");
    514             break;
    515         case NETLINK_KOBJECT_UEVENT:
    516             qemu_log("NETLINK_KOBJECT_UEVENT");
    517             break;
    518         case NETLINK_RDMA:
    519             qemu_log("NETLINK_RDMA");
    520             break;
    521         case NETLINK_CRYPTO:
    522             qemu_log("NETLINK_CRYPTO");
    523             break;
    524         default:
    525             qemu_log("%d", protocol);
    526             break;
    527         }
    528         return;
    529     }
    530 
    531     switch (protocol) {
    532     case IPPROTO_IP:
    533         qemu_log("IPPROTO_IP");
    534         break;
    535     case IPPROTO_TCP:
    536         qemu_log("IPPROTO_TCP");
    537         break;
    538     case IPPROTO_UDP:
    539         qemu_log("IPPROTO_UDP");
    540         break;
    541     case IPPROTO_RAW:
    542         qemu_log("IPPROTO_RAW");
    543         break;
    544     default:
    545         qemu_log("%d", protocol);
    546         break;
    547     }
    548 }
    549 
    550 
    551 #ifdef TARGET_NR__newselect
    552 static void
    553 print_fdset(int n, abi_ulong target_fds_addr)
    554 {
    555     int i;
    556     int first = 1;
    557 
    558     qemu_log("[");
    559     if( target_fds_addr ) {
    560         abi_long *target_fds;
    561 
    562         target_fds = lock_user(VERIFY_READ,
    563                                target_fds_addr,
    564                                sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
    565                                1);
    566 
    567         if (!target_fds)
    568             return;
    569 
    570         for (i=n; i>=0; i--) {
    571             if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >>
    572                 (i & (TARGET_ABI_BITS - 1))) & 1) {
    573                 qemu_log("%s%d", get_comma(first), i);
    574                 first = 0;
    575             }
    576         }
    577         unlock_user(target_fds, target_fds_addr, 0);
    578     }
    579     qemu_log("]");
    580 }
    581 #endif
    582 
    583 /*
    584  * Sysycall specific output functions
    585  */
    586 
    587 /* select */
    588 #ifdef TARGET_NR__newselect
    589 static void
    590 print_newselect(CPUArchState *cpu_env, const struct syscallname *name,
    591                 abi_long arg1, abi_long arg2, abi_long arg3,
    592                 abi_long arg4, abi_long arg5, abi_long arg6)
    593 {
    594     print_syscall_prologue(name);
    595     print_fdset(arg1, arg2);
    596     qemu_log(",");
    597     print_fdset(arg1, arg3);
    598     qemu_log(",");
    599     print_fdset(arg1, arg4);
    600     qemu_log(",");
    601     print_timeval(arg5, 1);
    602     print_syscall_epilogue(name);
    603 }
    604 #endif
    605 
    606 #ifdef TARGET_NR_semctl
    607 static void
    608 print_semctl(CPUArchState *cpu_env, const struct syscallname *name,
    609              abi_long arg1, abi_long arg2, abi_long arg3,
    610              abi_long arg4, abi_long arg5, abi_long arg6)
    611 {
    612     qemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",",
    613              name->name, arg1, arg2);
    614     print_ipc_cmd(arg3);
    615     qemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
    616 }
    617 #endif
    618 
    619 static void
    620 print_execve(CPUArchState *cpu_env, const struct syscallname *name,
    621              abi_long arg1, abi_long arg2, abi_long arg3,
    622              abi_long arg4, abi_long arg5, abi_long arg6)
    623 {
    624     abi_ulong arg_ptr_addr;
    625     char *s;
    626 
    627     if (!(s = lock_user_string(arg1)))
    628         return;
    629     qemu_log("%s(\"%s\",{", name->name, s);
    630     unlock_user(s, arg1, 0);
    631 
    632     for (arg_ptr_addr = arg2; ; arg_ptr_addr += sizeof(abi_ulong)) {
    633         abi_ulong *arg_ptr, arg_addr;
    634 
    635         arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
    636         if (!arg_ptr)
    637             return;
    638     arg_addr = tswapal(*arg_ptr);
    639         unlock_user(arg_ptr, arg_ptr_addr, 0);
    640         if (!arg_addr)
    641             break;
    642         if ((s = lock_user_string(arg_addr))) {
    643             qemu_log("\"%s\",", s);
    644             unlock_user(s, arg_addr, 0);
    645         }
    646     }
    647 
    648     qemu_log("NULL})");
    649 }
    650 
    651 #ifdef TARGET_NR_ipc
    652 static void
    653 print_ipc(CPUArchState *cpu_env, const struct syscallname *name,
    654           abi_long arg1, abi_long arg2, abi_long arg3,
    655           abi_long arg4, abi_long arg5, abi_long arg6)
    656 {
    657     switch(arg1) {
    658     case IPCOP_semctl:
    659         qemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",",
    660                  arg1, arg2);
    661         print_ipc_cmd(arg3);
    662         qemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
    663         break;
    664     default:
    665         qemu_log(("%s("
    666                   TARGET_ABI_FMT_ld ","
    667                   TARGET_ABI_FMT_ld ","
    668                   TARGET_ABI_FMT_ld ","
    669                   TARGET_ABI_FMT_ld
    670                   ")"),
    671                  name->name, arg1, arg2, arg3, arg4);
    672     }
    673 }
    674 #endif
    675 
    676 /*
    677  * Variants for the return value output function
    678  */
    679 
    680 static bool
    681 print_syscall_err(abi_long ret)
    682 {
    683     const char *errstr;
    684 
    685     qemu_log(" = ");
    686     if (is_error(ret)) {
    687         errstr = target_strerror(-ret);
    688         if (errstr) {
    689             qemu_log("-1 errno=%d (%s)", (int)-ret, errstr);
    690             return true;
    691         }
    692     }
    693     return false;
    694 }
    695 
    696 static void
    697 print_syscall_ret_addr(CPUArchState *cpu_env, const struct syscallname *name,
    698                        abi_long ret, abi_long arg0, abi_long arg1,
    699                        abi_long arg2, abi_long arg3, abi_long arg4,
    700                        abi_long arg5)
    701 {
    702     if (!print_syscall_err(ret)) {
    703         qemu_log("0x" TARGET_ABI_FMT_lx, ret);
    704     }
    705     qemu_log("\n");
    706 }
    707 
    708 #if 0 /* currently unused */
    709 static void
    710 print_syscall_ret_raw(struct syscallname *name, abi_long ret)
    711 {
    712         qemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
    713 }
    714 #endif
    715 
    716 #ifdef TARGET_NR__newselect
    717 static void
    718 print_syscall_ret_newselect(CPUArchState *cpu_env, const struct syscallname *name,
    719                             abi_long ret, abi_long arg0, abi_long arg1,
    720                             abi_long arg2, abi_long arg3, abi_long arg4,
    721                             abi_long arg5)
    722 {
    723     if (!print_syscall_err(ret)) {
    724         qemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
    725         print_fdset(arg0, arg1);
    726         qemu_log(",");
    727         print_fdset(arg0, arg2);
    728         qemu_log(",");
    729         print_fdset(arg0, arg3);
    730         qemu_log(",");
    731         print_timeval(arg4, 1);
    732         qemu_log(")");
    733     }
    734 
    735     qemu_log("\n");
    736 }
    737 #endif
    738 
    739 /* special meanings of adjtimex()' non-negative return values */
    740 #define TARGET_TIME_OK       0   /* clock synchronized, no leap second */
    741 #define TARGET_TIME_INS      1   /* insert leap second */
    742 #define TARGET_TIME_DEL      2   /* delete leap second */
    743 #define TARGET_TIME_OOP      3   /* leap second in progress */
    744 #define TARGET_TIME_WAIT     4   /* leap second has occurred */
    745 #define TARGET_TIME_ERROR    5   /* clock not synchronized */
    746 #ifdef TARGET_NR_adjtimex
    747 static void
    748 print_syscall_ret_adjtimex(CPUArchState *cpu_env, const struct syscallname *name,
    749                            abi_long ret, abi_long arg0, abi_long arg1,
    750                            abi_long arg2, abi_long arg3, abi_long arg4,
    751                            abi_long arg5)
    752 {
    753     if (!print_syscall_err(ret)) {
    754         qemu_log(TARGET_ABI_FMT_ld, ret);
    755         switch (ret) {
    756         case TARGET_TIME_OK:
    757             qemu_log(" TIME_OK (clock synchronized, no leap second)");
    758             break;
    759         case TARGET_TIME_INS:
    760             qemu_log(" TIME_INS (insert leap second)");
    761             break;
    762         case TARGET_TIME_DEL:
    763             qemu_log(" TIME_DEL (delete leap second)");
    764             break;
    765         case TARGET_TIME_OOP:
    766             qemu_log(" TIME_OOP (leap second in progress)");
    767             break;
    768         case TARGET_TIME_WAIT:
    769             qemu_log(" TIME_WAIT (leap second has occurred)");
    770             break;
    771         case TARGET_TIME_ERROR:
    772             qemu_log(" TIME_ERROR (clock not synchronized)");
    773             break;
    774         }
    775     }
    776 
    777     qemu_log("\n");
    778 }
    779 #endif
    780 
    781 #if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
    782 static void
    783 print_syscall_ret_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name,
    784                                 abi_long ret, abi_long arg0, abi_long arg1,
    785                                 abi_long arg2, abi_long arg3, abi_long arg4,
    786                                 abi_long arg5)
    787 {
    788     if (!print_syscall_err(ret)) {
    789         qemu_log(TARGET_ABI_FMT_ld, ret);
    790         qemu_log(" (");
    791         print_timespec(arg1, 1);
    792         qemu_log(")");
    793     }
    794 
    795     qemu_log("\n");
    796 }
    797 #define print_syscall_ret_clock_getres     print_syscall_ret_clock_gettime
    798 #endif
    799 
    800 #if defined(TARGET_NR_clock_gettime64)
    801 static void
    802 print_syscall_ret_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name,
    803                                 abi_long ret, abi_long arg0, abi_long arg1,
    804                                 abi_long arg2, abi_long arg3, abi_long arg4,
    805                                 abi_long arg5)
    806 {
    807     if (!print_syscall_err(ret)) {
    808         qemu_log(TARGET_ABI_FMT_ld, ret);
    809         qemu_log(" (");
    810         print_timespec64(arg1, 1);
    811         qemu_log(")");
    812     }
    813 
    814     qemu_log("\n");
    815 }
    816 #endif
    817 
    818 #ifdef TARGET_NR_gettimeofday
    819 static void
    820 print_syscall_ret_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name,
    821                                abi_long ret, abi_long arg0, abi_long arg1,
    822                                abi_long arg2, abi_long arg3, abi_long arg4,
    823                                abi_long arg5)
    824 {
    825     if (!print_syscall_err(ret)) {
    826         qemu_log(TARGET_ABI_FMT_ld, ret);
    827         qemu_log(" (");
    828         print_timeval(arg0, 0);
    829         print_timezone(arg1, 1);
    830         qemu_log(")");
    831     }
    832 
    833     qemu_log("\n");
    834 }
    835 #endif
    836 
    837 #ifdef TARGET_NR_getitimer
    838 static void
    839 print_syscall_ret_getitimer(CPUArchState *cpu_env, const struct syscallname *name,
    840                             abi_long ret, abi_long arg0, abi_long arg1,
    841                             abi_long arg2, abi_long arg3, abi_long arg4,
    842                             abi_long arg5)
    843 {
    844     if (!print_syscall_err(ret)) {
    845         qemu_log(TARGET_ABI_FMT_ld, ret);
    846         qemu_log(" (");
    847         print_itimerval(arg1, 1);
    848         qemu_log(")");
    849     }
    850 
    851     qemu_log("\n");
    852 }
    853 #endif
    854 
    855 
    856 #ifdef TARGET_NR_getitimer
    857 static void
    858 print_syscall_ret_setitimer(CPUArchState *cpu_env, const struct syscallname *name,
    859                             abi_long ret, abi_long arg0, abi_long arg1,
    860                             abi_long arg2, abi_long arg3, abi_long arg4,
    861                             abi_long arg5)
    862 {
    863     if (!print_syscall_err(ret)) {
    864         qemu_log(TARGET_ABI_FMT_ld, ret);
    865         qemu_log(" (old_value = ");
    866         print_itimerval(arg2, 1);
    867         qemu_log(")");
    868     }
    869 
    870     qemu_log("\n");
    871 }
    872 #endif
    873 
    874 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr) \
    875  || defined(TARGGET_NR_flistxattr)
    876 static void
    877 print_syscall_ret_listxattr(CPUArchState *cpu_env, const struct syscallname *name,
    878                             abi_long ret, abi_long arg0, abi_long arg1,
    879                             abi_long arg2, abi_long arg3, abi_long arg4,
    880                             abi_long arg5)
    881 {
    882     if (!print_syscall_err(ret)) {
    883         qemu_log(TARGET_ABI_FMT_ld, ret);
    884         qemu_log(" (list = ");
    885         if (arg1 != 0) {
    886             abi_long attr = arg1;
    887             while (ret) {
    888                 if (attr != arg1) {
    889                     qemu_log(",");
    890                 }
    891                 print_string(attr, 1);
    892                 ret -= target_strlen(attr) + 1;
    893                 attr += target_strlen(attr) + 1;
    894             }
    895         } else {
    896             qemu_log("NULL");
    897         }
    898         qemu_log(")");
    899     }
    900 
    901     qemu_log("\n");
    902 }
    903 #define print_syscall_ret_llistxattr     print_syscall_ret_listxattr
    904 #define print_syscall_ret_flistxattr     print_syscall_ret_listxattr
    905 #endif
    906 
    907 #ifdef TARGET_NR_ioctl
    908 static void
    909 print_syscall_ret_ioctl(CPUArchState *cpu_env, const struct syscallname *name,
    910                         abi_long ret, abi_long arg0, abi_long arg1,
    911                         abi_long arg2, abi_long arg3, abi_long arg4,
    912                         abi_long arg5)
    913 {
    914     if (!print_syscall_err(ret)) {
    915         qemu_log(TARGET_ABI_FMT_ld, ret);
    916 
    917         const IOCTLEntry *ie;
    918         const argtype *arg_type;
    919         void *argptr;
    920         int target_size;
    921 
    922         for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
    923             if (ie->target_cmd == arg1) {
    924                 break;
    925             }
    926         }
    927 
    928         if (ie->target_cmd == arg1 &&
    929            (ie->access == IOC_R || ie->access == IOC_RW)) {
    930             arg_type = ie->arg_type;
    931             qemu_log(" (");
    932             arg_type++;
    933             target_size = thunk_type_size(arg_type, 0);
    934             argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
    935             if (argptr) {
    936                 thunk_print(argptr, arg_type);
    937                 unlock_user(argptr, arg2, target_size);
    938             } else {
    939                 print_pointer(arg2, 1);
    940             }
    941             qemu_log(")");
    942         }
    943     }
    944     qemu_log("\n");
    945 }
    946 #endif
    947 
    948 UNUSED static struct flags access_flags[] = {
    949     FLAG_GENERIC(F_OK),
    950     FLAG_GENERIC(R_OK),
    951     FLAG_GENERIC(W_OK),
    952     FLAG_GENERIC(X_OK),
    953     FLAG_END,
    954 };
    955 
    956 UNUSED static struct flags at_file_flags[] = {
    957 #ifdef AT_EACCESS
    958     FLAG_GENERIC(AT_EACCESS),
    959 #endif
    960 #ifdef AT_SYMLINK_NOFOLLOW
    961     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
    962 #endif
    963     FLAG_END,
    964 };
    965 
    966 UNUSED static struct flags unlinkat_flags[] = {
    967 #ifdef AT_REMOVEDIR
    968     FLAG_GENERIC(AT_REMOVEDIR),
    969 #endif
    970     FLAG_END,
    971 };
    972 
    973 UNUSED static struct flags mode_flags[] = {
    974     FLAG_GENERIC(S_IFSOCK),
    975     FLAG_GENERIC(S_IFLNK),
    976     FLAG_GENERIC(S_IFREG),
    977     FLAG_GENERIC(S_IFBLK),
    978     FLAG_GENERIC(S_IFDIR),
    979     FLAG_GENERIC(S_IFCHR),
    980     FLAG_GENERIC(S_IFIFO),
    981     FLAG_END,
    982 };
    983 
    984 UNUSED static struct flags open_access_flags[] = {
    985     FLAG_TARGET(O_RDONLY),
    986     FLAG_TARGET(O_WRONLY),
    987     FLAG_TARGET(O_RDWR),
    988     FLAG_END,
    989 };
    990 
    991 UNUSED static struct flags open_flags[] = {
    992     FLAG_TARGET(O_APPEND),
    993     FLAG_TARGET(O_CREAT),
    994     FLAG_TARGET(O_DIRECTORY),
    995     FLAG_TARGET(O_EXCL),
    996     FLAG_TARGET(O_LARGEFILE),
    997     FLAG_TARGET(O_NOCTTY),
    998     FLAG_TARGET(O_NOFOLLOW),
    999     FLAG_TARGET(O_NONBLOCK),      /* also O_NDELAY */
   1000     FLAG_TARGET(O_DSYNC),
   1001     FLAG_TARGET(__O_SYNC),
   1002     FLAG_TARGET(O_TRUNC),
   1003 #ifdef O_DIRECT
   1004     FLAG_TARGET(O_DIRECT),
   1005 #endif
   1006 #ifdef O_NOATIME
   1007     FLAG_TARGET(O_NOATIME),
   1008 #endif
   1009 #ifdef O_CLOEXEC
   1010     FLAG_TARGET(O_CLOEXEC),
   1011 #endif
   1012 #ifdef O_PATH
   1013     FLAG_TARGET(O_PATH),
   1014 #endif
   1015 #ifdef O_TMPFILE
   1016     FLAG_TARGET(O_TMPFILE),
   1017     FLAG_TARGET(__O_TMPFILE),
   1018 #endif
   1019     FLAG_END,
   1020 };
   1021 
   1022 UNUSED static struct flags mount_flags[] = {
   1023 #ifdef MS_BIND
   1024     FLAG_GENERIC(MS_BIND),
   1025 #endif
   1026 #ifdef MS_DIRSYNC
   1027     FLAG_GENERIC(MS_DIRSYNC),
   1028 #endif
   1029     FLAG_GENERIC(MS_MANDLOCK),
   1030 #ifdef MS_MOVE
   1031     FLAG_GENERIC(MS_MOVE),
   1032 #endif
   1033     FLAG_GENERIC(MS_NOATIME),
   1034     FLAG_GENERIC(MS_NODEV),
   1035     FLAG_GENERIC(MS_NODIRATIME),
   1036     FLAG_GENERIC(MS_NOEXEC),
   1037     FLAG_GENERIC(MS_NOSUID),
   1038     FLAG_GENERIC(MS_RDONLY),
   1039 #ifdef MS_RELATIME
   1040     FLAG_GENERIC(MS_RELATIME),
   1041 #endif
   1042     FLAG_GENERIC(MS_REMOUNT),
   1043     FLAG_GENERIC(MS_SYNCHRONOUS),
   1044     FLAG_END,
   1045 };
   1046 
   1047 UNUSED static struct flags umount2_flags[] = {
   1048 #ifdef MNT_FORCE
   1049     FLAG_GENERIC(MNT_FORCE),
   1050 #endif
   1051 #ifdef MNT_DETACH
   1052     FLAG_GENERIC(MNT_DETACH),
   1053 #endif
   1054 #ifdef MNT_EXPIRE
   1055     FLAG_GENERIC(MNT_EXPIRE),
   1056 #endif
   1057     FLAG_END,
   1058 };
   1059 
   1060 UNUSED static struct flags mmap_prot_flags[] = {
   1061     FLAG_GENERIC(PROT_NONE),
   1062     FLAG_GENERIC(PROT_EXEC),
   1063     FLAG_GENERIC(PROT_READ),
   1064     FLAG_GENERIC(PROT_WRITE),
   1065     FLAG_TARGET(PROT_SEM),
   1066     FLAG_GENERIC(PROT_GROWSDOWN),
   1067     FLAG_GENERIC(PROT_GROWSUP),
   1068     FLAG_END,
   1069 };
   1070 
   1071 UNUSED static struct flags mmap_flags[] = {
   1072     FLAG_TARGET(MAP_SHARED),
   1073     FLAG_TARGET(MAP_PRIVATE),
   1074     FLAG_TARGET(MAP_ANONYMOUS),
   1075     FLAG_TARGET(MAP_DENYWRITE),
   1076     FLAG_TARGET(MAP_FIXED),
   1077     FLAG_TARGET(MAP_GROWSDOWN),
   1078     FLAG_TARGET(MAP_EXECUTABLE),
   1079 #ifdef MAP_LOCKED
   1080     FLAG_TARGET(MAP_LOCKED),
   1081 #endif
   1082 #ifdef MAP_NONBLOCK
   1083     FLAG_TARGET(MAP_NONBLOCK),
   1084 #endif
   1085     FLAG_TARGET(MAP_NORESERVE),
   1086 #ifdef MAP_POPULATE
   1087     FLAG_TARGET(MAP_POPULATE),
   1088 #endif
   1089 #ifdef TARGET_MAP_32BIT
   1090     FLAG_TARGET(MAP_32BIT),
   1091 #endif
   1092 #ifdef TARGET_MAP_UNINITIALIZED
   1093     FLAG_TARGET(MAP_UNINITIALIZED),
   1094 #endif
   1095     FLAG_END,
   1096 };
   1097 
   1098 UNUSED static struct flags clone_flags[] = {
   1099     FLAG_GENERIC(CLONE_VM),
   1100     FLAG_GENERIC(CLONE_FS),
   1101     FLAG_GENERIC(CLONE_FILES),
   1102     FLAG_GENERIC(CLONE_SIGHAND),
   1103     FLAG_GENERIC(CLONE_PTRACE),
   1104     FLAG_GENERIC(CLONE_VFORK),
   1105     FLAG_GENERIC(CLONE_PARENT),
   1106     FLAG_GENERIC(CLONE_THREAD),
   1107     FLAG_GENERIC(CLONE_NEWNS),
   1108     FLAG_GENERIC(CLONE_SYSVSEM),
   1109     FLAG_GENERIC(CLONE_SETTLS),
   1110     FLAG_GENERIC(CLONE_PARENT_SETTID),
   1111     FLAG_GENERIC(CLONE_CHILD_CLEARTID),
   1112     FLAG_GENERIC(CLONE_DETACHED),
   1113     FLAG_GENERIC(CLONE_UNTRACED),
   1114     FLAG_GENERIC(CLONE_CHILD_SETTID),
   1115 #if defined(CLONE_NEWUTS)
   1116     FLAG_GENERIC(CLONE_NEWUTS),
   1117 #endif
   1118 #if defined(CLONE_NEWIPC)
   1119     FLAG_GENERIC(CLONE_NEWIPC),
   1120 #endif
   1121 #if defined(CLONE_NEWUSER)
   1122     FLAG_GENERIC(CLONE_NEWUSER),
   1123 #endif
   1124 #if defined(CLONE_NEWPID)
   1125     FLAG_GENERIC(CLONE_NEWPID),
   1126 #endif
   1127 #if defined(CLONE_NEWNET)
   1128     FLAG_GENERIC(CLONE_NEWNET),
   1129 #endif
   1130 #if defined(CLONE_NEWCGROUP)
   1131     FLAG_GENERIC(CLONE_NEWCGROUP),
   1132 #endif
   1133 #if defined(CLONE_NEWTIME)
   1134     FLAG_GENERIC(CLONE_NEWTIME),
   1135 #endif
   1136 #if defined(CLONE_IO)
   1137     FLAG_GENERIC(CLONE_IO),
   1138 #endif
   1139     FLAG_END,
   1140 };
   1141 
   1142 UNUSED static struct flags msg_flags[] = {
   1143     /* send */
   1144     FLAG_GENERIC(MSG_CONFIRM),
   1145     FLAG_GENERIC(MSG_DONTROUTE),
   1146     FLAG_GENERIC(MSG_DONTWAIT),
   1147     FLAG_GENERIC(MSG_EOR),
   1148     FLAG_GENERIC(MSG_MORE),
   1149     FLAG_GENERIC(MSG_NOSIGNAL),
   1150     FLAG_GENERIC(MSG_OOB),
   1151     /* recv */
   1152     FLAG_GENERIC(MSG_CMSG_CLOEXEC),
   1153     FLAG_GENERIC(MSG_ERRQUEUE),
   1154     FLAG_GENERIC(MSG_PEEK),
   1155     FLAG_GENERIC(MSG_TRUNC),
   1156     FLAG_GENERIC(MSG_WAITALL),
   1157     /* recvmsg */
   1158     FLAG_GENERIC(MSG_CTRUNC),
   1159     FLAG_END,
   1160 };
   1161 
   1162 UNUSED static struct flags statx_flags[] = {
   1163 #ifdef AT_EMPTY_PATH
   1164     FLAG_GENERIC(AT_EMPTY_PATH),
   1165 #endif
   1166 #ifdef AT_NO_AUTOMOUNT
   1167     FLAG_GENERIC(AT_NO_AUTOMOUNT),
   1168 #endif
   1169 #ifdef AT_SYMLINK_NOFOLLOW
   1170     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
   1171 #endif
   1172 #ifdef AT_STATX_SYNC_AS_STAT
   1173     FLAG_GENERIC(AT_STATX_SYNC_AS_STAT),
   1174 #endif
   1175 #ifdef AT_STATX_FORCE_SYNC
   1176     FLAG_GENERIC(AT_STATX_FORCE_SYNC),
   1177 #endif
   1178 #ifdef AT_STATX_DONT_SYNC
   1179     FLAG_GENERIC(AT_STATX_DONT_SYNC),
   1180 #endif
   1181     FLAG_END,
   1182 };
   1183 
   1184 UNUSED static struct flags statx_mask[] = {
   1185 /* This must come first, because it includes everything.  */
   1186 #ifdef STATX_ALL
   1187     FLAG_GENERIC(STATX_ALL),
   1188 #endif
   1189 /* This must come second; it includes everything except STATX_BTIME.  */
   1190 #ifdef STATX_BASIC_STATS
   1191     FLAG_GENERIC(STATX_BASIC_STATS),
   1192 #endif
   1193 #ifdef STATX_TYPE
   1194     FLAG_GENERIC(STATX_TYPE),
   1195 #endif
   1196 #ifdef STATX_MODE
   1197     FLAG_GENERIC(STATX_MODE),
   1198 #endif
   1199 #ifdef STATX_NLINK
   1200     FLAG_GENERIC(STATX_NLINK),
   1201 #endif
   1202 #ifdef STATX_UID
   1203     FLAG_GENERIC(STATX_UID),
   1204 #endif
   1205 #ifdef STATX_GID
   1206     FLAG_GENERIC(STATX_GID),
   1207 #endif
   1208 #ifdef STATX_ATIME
   1209     FLAG_GENERIC(STATX_ATIME),
   1210 #endif
   1211 #ifdef STATX_MTIME
   1212     FLAG_GENERIC(STATX_MTIME),
   1213 #endif
   1214 #ifdef STATX_CTIME
   1215     FLAG_GENERIC(STATX_CTIME),
   1216 #endif
   1217 #ifdef STATX_INO
   1218     FLAG_GENERIC(STATX_INO),
   1219 #endif
   1220 #ifdef STATX_SIZE
   1221     FLAG_GENERIC(STATX_SIZE),
   1222 #endif
   1223 #ifdef STATX_BLOCKS
   1224     FLAG_GENERIC(STATX_BLOCKS),
   1225 #endif
   1226 #ifdef STATX_BTIME
   1227     FLAG_GENERIC(STATX_BTIME),
   1228 #endif
   1229     FLAG_END,
   1230 };
   1231 
   1232 UNUSED static struct flags falloc_flags[] = {
   1233     FLAG_GENERIC(FALLOC_FL_KEEP_SIZE),
   1234     FLAG_GENERIC(FALLOC_FL_PUNCH_HOLE),
   1235 #ifdef FALLOC_FL_NO_HIDE_STALE
   1236     FLAG_GENERIC(FALLOC_FL_NO_HIDE_STALE),
   1237 #endif
   1238 #ifdef FALLOC_FL_COLLAPSE_RANGE
   1239     FLAG_GENERIC(FALLOC_FL_COLLAPSE_RANGE),
   1240 #endif
   1241 #ifdef FALLOC_FL_ZERO_RANGE
   1242     FLAG_GENERIC(FALLOC_FL_ZERO_RANGE),
   1243 #endif
   1244 #ifdef FALLOC_FL_INSERT_RANGE
   1245     FLAG_GENERIC(FALLOC_FL_INSERT_RANGE),
   1246 #endif
   1247 #ifdef FALLOC_FL_UNSHARE_RANGE
   1248     FLAG_GENERIC(FALLOC_FL_UNSHARE_RANGE),
   1249 #endif
   1250 };
   1251 
   1252 UNUSED static struct flags termios_iflags[] = {
   1253     FLAG_TARGET(IGNBRK),
   1254     FLAG_TARGET(BRKINT),
   1255     FLAG_TARGET(IGNPAR),
   1256     FLAG_TARGET(PARMRK),
   1257     FLAG_TARGET(INPCK),
   1258     FLAG_TARGET(ISTRIP),
   1259     FLAG_TARGET(INLCR),
   1260     FLAG_TARGET(IGNCR),
   1261     FLAG_TARGET(ICRNL),
   1262     FLAG_TARGET(IUCLC),
   1263     FLAG_TARGET(IXON),
   1264     FLAG_TARGET(IXANY),
   1265     FLAG_TARGET(IXOFF),
   1266     FLAG_TARGET(IMAXBEL),
   1267     FLAG_TARGET(IUTF8),
   1268     FLAG_END,
   1269 };
   1270 
   1271 UNUSED static struct flags termios_oflags[] = {
   1272     FLAG_TARGET(OPOST),
   1273     FLAG_TARGET(OLCUC),
   1274     FLAG_TARGET(ONLCR),
   1275     FLAG_TARGET(OCRNL),
   1276     FLAG_TARGET(ONOCR),
   1277     FLAG_TARGET(ONLRET),
   1278     FLAG_TARGET(OFILL),
   1279     FLAG_TARGET(OFDEL),
   1280     FLAG_END,
   1281 };
   1282 
   1283 UNUSED static struct enums termios_oflags_NLDLY[] = {
   1284     ENUM_TARGET(NL0),
   1285     ENUM_TARGET(NL1),
   1286     ENUM_END,
   1287 };
   1288 
   1289 UNUSED static struct enums termios_oflags_CRDLY[] = {
   1290     ENUM_TARGET(CR0),
   1291     ENUM_TARGET(CR1),
   1292     ENUM_TARGET(CR2),
   1293     ENUM_TARGET(CR3),
   1294     ENUM_END,
   1295 };
   1296 
   1297 UNUSED static struct enums termios_oflags_TABDLY[] = {
   1298     ENUM_TARGET(TAB0),
   1299     ENUM_TARGET(TAB1),
   1300     ENUM_TARGET(TAB2),
   1301     ENUM_TARGET(TAB3),
   1302     ENUM_END,
   1303 };
   1304 
   1305 UNUSED static struct enums termios_oflags_VTDLY[] = {
   1306     ENUM_TARGET(VT0),
   1307     ENUM_TARGET(VT1),
   1308     ENUM_END,
   1309 };
   1310 
   1311 UNUSED static struct enums termios_oflags_FFDLY[] = {
   1312     ENUM_TARGET(FF0),
   1313     ENUM_TARGET(FF1),
   1314     ENUM_END,
   1315 };
   1316 
   1317 UNUSED static struct enums termios_oflags_BSDLY[] = {
   1318     ENUM_TARGET(BS0),
   1319     ENUM_TARGET(BS1),
   1320     ENUM_END,
   1321 };
   1322 
   1323 UNUSED static struct enums termios_cflags_CBAUD[] = {
   1324     ENUM_TARGET(B0),
   1325     ENUM_TARGET(B50),
   1326     ENUM_TARGET(B75),
   1327     ENUM_TARGET(B110),
   1328     ENUM_TARGET(B134),
   1329     ENUM_TARGET(B150),
   1330     ENUM_TARGET(B200),
   1331     ENUM_TARGET(B300),
   1332     ENUM_TARGET(B600),
   1333     ENUM_TARGET(B1200),
   1334     ENUM_TARGET(B1800),
   1335     ENUM_TARGET(B2400),
   1336     ENUM_TARGET(B4800),
   1337     ENUM_TARGET(B9600),
   1338     ENUM_TARGET(B19200),
   1339     ENUM_TARGET(B38400),
   1340     ENUM_TARGET(B57600),
   1341     ENUM_TARGET(B115200),
   1342     ENUM_TARGET(B230400),
   1343     ENUM_TARGET(B460800),
   1344     ENUM_END,
   1345 };
   1346 
   1347 UNUSED static struct enums termios_cflags_CSIZE[] = {
   1348     ENUM_TARGET(CS5),
   1349     ENUM_TARGET(CS6),
   1350     ENUM_TARGET(CS7),
   1351     ENUM_TARGET(CS8),
   1352     ENUM_END,
   1353 };
   1354 
   1355 UNUSED static struct flags termios_cflags[] = {
   1356     FLAG_TARGET(CSTOPB),
   1357     FLAG_TARGET(CREAD),
   1358     FLAG_TARGET(PARENB),
   1359     FLAG_TARGET(PARODD),
   1360     FLAG_TARGET(HUPCL),
   1361     FLAG_TARGET(CLOCAL),
   1362     FLAG_TARGET(CRTSCTS),
   1363     FLAG_END,
   1364 };
   1365 
   1366 UNUSED static struct flags termios_lflags[] = {
   1367     FLAG_TARGET(ISIG),
   1368     FLAG_TARGET(ICANON),
   1369     FLAG_TARGET(XCASE),
   1370     FLAG_TARGET(ECHO),
   1371     FLAG_TARGET(ECHOE),
   1372     FLAG_TARGET(ECHOK),
   1373     FLAG_TARGET(ECHONL),
   1374     FLAG_TARGET(NOFLSH),
   1375     FLAG_TARGET(TOSTOP),
   1376     FLAG_TARGET(ECHOCTL),
   1377     FLAG_TARGET(ECHOPRT),
   1378     FLAG_TARGET(ECHOKE),
   1379     FLAG_TARGET(FLUSHO),
   1380     FLAG_TARGET(PENDIN),
   1381     FLAG_TARGET(IEXTEN),
   1382     FLAG_TARGET(EXTPROC),
   1383     FLAG_END,
   1384 };
   1385 
   1386 UNUSED static struct flags mlockall_flags[] = {
   1387     FLAG_TARGET(MCL_CURRENT),
   1388     FLAG_TARGET(MCL_FUTURE),
   1389 #ifdef MCL_ONFAULT
   1390     FLAG_TARGET(MCL_ONFAULT),
   1391 #endif
   1392     FLAG_END,
   1393 };
   1394 
   1395 /* IDs of the various system clocks */
   1396 #define TARGET_CLOCK_REALTIME              0
   1397 #define TARGET_CLOCK_MONOTONIC             1
   1398 #define TARGET_CLOCK_PROCESS_CPUTIME_ID    2
   1399 #define TARGET_CLOCK_THREAD_CPUTIME_ID     3
   1400 #define TARGET_CLOCK_MONOTONIC_RAW         4
   1401 #define TARGET_CLOCK_REALTIME_COARSE       5
   1402 #define TARGET_CLOCK_MONOTONIC_COARSE      6
   1403 #define TARGET_CLOCK_BOOTTIME              7
   1404 #define TARGET_CLOCK_REALTIME_ALARM        8
   1405 #define TARGET_CLOCK_BOOTTIME_ALARM        9
   1406 #define TARGET_CLOCK_SGI_CYCLE             10
   1407 #define TARGET_CLOCK_TAI                   11
   1408 
   1409 UNUSED static struct enums clockids[] = {
   1410     ENUM_TARGET(CLOCK_REALTIME),
   1411     ENUM_TARGET(CLOCK_MONOTONIC),
   1412     ENUM_TARGET(CLOCK_PROCESS_CPUTIME_ID),
   1413     ENUM_TARGET(CLOCK_THREAD_CPUTIME_ID),
   1414     ENUM_TARGET(CLOCK_MONOTONIC_RAW),
   1415     ENUM_TARGET(CLOCK_REALTIME_COARSE),
   1416     ENUM_TARGET(CLOCK_MONOTONIC_COARSE),
   1417     ENUM_TARGET(CLOCK_BOOTTIME),
   1418     ENUM_TARGET(CLOCK_REALTIME_ALARM),
   1419     ENUM_TARGET(CLOCK_BOOTTIME_ALARM),
   1420     ENUM_TARGET(CLOCK_SGI_CYCLE),
   1421     ENUM_TARGET(CLOCK_TAI),
   1422     ENUM_END,
   1423 };
   1424 
   1425 UNUSED static struct enums itimer_types[] = {
   1426     ENUM_GENERIC(ITIMER_REAL),
   1427     ENUM_GENERIC(ITIMER_VIRTUAL),
   1428     ENUM_GENERIC(ITIMER_PROF),
   1429     ENUM_END,
   1430 };
   1431 
   1432 /*
   1433  * print_xxx utility functions.  These are used to print syscall
   1434  * parameters in certain format.  All of these have parameter
   1435  * named 'last'.  This parameter is used to add comma to output
   1436  * when last == 0.
   1437  */
   1438 
   1439 static const char *
   1440 get_comma(int last)
   1441 {
   1442     return ((last) ? "" : ",");
   1443 }
   1444 
   1445 static void
   1446 print_flags(const struct flags *f, abi_long flags, int last)
   1447 {
   1448     const char *sep = "";
   1449     int n;
   1450 
   1451     if ((flags == 0) && (f->f_value == 0)) {
   1452         qemu_log("%s%s", f->f_string, get_comma(last));
   1453         return;
   1454     }
   1455     for (n = 0; f->f_string != NULL; f++) {
   1456         if ((f->f_value != 0) && ((flags & f->f_value) == f->f_value)) {
   1457             qemu_log("%s%s", sep, f->f_string);
   1458             flags &= ~f->f_value;
   1459             sep = "|";
   1460             n++;
   1461         }
   1462     }
   1463 
   1464     if (n > 0) {
   1465         /* print rest of the flags as numeric */
   1466         if (flags != 0) {
   1467             qemu_log("%s%#x%s", sep, (unsigned int)flags, get_comma(last));
   1468         } else {
   1469             qemu_log("%s", get_comma(last));
   1470         }
   1471     } else {
   1472         /* no string version of flags found, print them in hex then */
   1473         qemu_log("%#x%s", (unsigned int)flags, get_comma(last));
   1474     }
   1475 }
   1476 
   1477 static void
   1478 print_enums(const struct enums *e, abi_long enum_arg, int last)
   1479 {
   1480     for (; e->e_string != NULL; e++) {
   1481         if (e->e_value == enum_arg) {
   1482             qemu_log("%s", e->e_string);
   1483             break;
   1484         }
   1485     }
   1486 
   1487     if (e->e_string == NULL) {
   1488         qemu_log("%#x", (unsigned int)enum_arg);
   1489     }
   1490 
   1491     qemu_log("%s", get_comma(last));
   1492 }
   1493 
   1494 static void
   1495 print_at_dirfd(abi_long dirfd, int last)
   1496 {
   1497 #ifdef AT_FDCWD
   1498     if (dirfd == AT_FDCWD) {
   1499         qemu_log("AT_FDCWD%s", get_comma(last));
   1500         return;
   1501     }
   1502 #endif
   1503     qemu_log("%d%s", (int)dirfd, get_comma(last));
   1504 }
   1505 
   1506 static void
   1507 print_file_mode(abi_long mode, int last)
   1508 {
   1509     const char *sep = "";
   1510     const struct flags *m;
   1511 
   1512     if (mode == 0) {
   1513         qemu_log("000%s", get_comma(last));
   1514         return;
   1515     }
   1516 
   1517     for (m = &mode_flags[0]; m->f_string != NULL; m++) {
   1518         if ((m->f_value & mode) == m->f_value) {
   1519             qemu_log("%s%s", m->f_string, sep);
   1520             sep = "|";
   1521             mode &= ~m->f_value;
   1522             break;
   1523         }
   1524     }
   1525 
   1526     mode &= ~S_IFMT;
   1527     /* print rest of the mode as octal */
   1528     if (mode != 0)
   1529         qemu_log("%s%#o", sep, (unsigned int)mode);
   1530 
   1531     qemu_log("%s", get_comma(last));
   1532 }
   1533 
   1534 static void
   1535 print_open_flags(abi_long flags, int last)
   1536 {
   1537     print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1);
   1538     flags &= ~TARGET_O_ACCMODE;
   1539     if (flags == 0) {
   1540         qemu_log("%s", get_comma(last));
   1541         return;
   1542     }
   1543     qemu_log("|");
   1544     print_flags(open_flags, flags, last);
   1545 }
   1546 
   1547 static void
   1548 print_syscall_prologue(const struct syscallname *sc)
   1549 {
   1550     qemu_log("%s(", sc->name);
   1551 }
   1552 
   1553 /*ARGSUSED*/
   1554 static void
   1555 print_syscall_epilogue(const struct syscallname *sc)
   1556 {
   1557     (void)sc;
   1558     qemu_log(")");
   1559 }
   1560 
   1561 static void
   1562 print_string(abi_long addr, int last)
   1563 {
   1564     char *s;
   1565 
   1566     if ((s = lock_user_string(addr)) != NULL) {
   1567         qemu_log("\"%s\"%s", s, get_comma(last));
   1568         unlock_user(s, addr, 0);
   1569     } else {
   1570         /* can't get string out of it, so print it as pointer */
   1571         print_pointer(addr, last);
   1572     }
   1573 }
   1574 
   1575 #define MAX_PRINT_BUF 40
   1576 static void
   1577 print_buf(abi_long addr, abi_long len, int last)
   1578 {
   1579     uint8_t *s;
   1580     int i;
   1581 
   1582     s = lock_user(VERIFY_READ, addr, len, 1);
   1583     if (s) {
   1584         qemu_log("\"");
   1585         for (i = 0; i < MAX_PRINT_BUF && i < len; i++) {
   1586             if (isprint(s[i])) {
   1587                 qemu_log("%c", s[i]);
   1588             } else {
   1589                 qemu_log("\\%o", s[i]);
   1590             }
   1591         }
   1592         qemu_log("\"");
   1593         if (i != len) {
   1594             qemu_log("...");
   1595         }
   1596         if (!last) {
   1597             qemu_log(",");
   1598         }
   1599         unlock_user(s, addr, 0);
   1600     } else {
   1601         print_pointer(addr, last);
   1602     }
   1603 }
   1604 
   1605 /*
   1606  * Prints out raw parameter using given format.  Caller needs
   1607  * to do byte swapping if needed.
   1608  */
   1609 static void
   1610 print_raw_param(const char *fmt, abi_long param, int last)
   1611 {
   1612     char format[64];
   1613 
   1614     (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last));
   1615     qemu_log(format, param);
   1616 }
   1617 
   1618 static void
   1619 print_pointer(abi_long p, int last)
   1620 {
   1621     if (p == 0)
   1622         qemu_log("NULL%s", get_comma(last));
   1623     else
   1624         qemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last));
   1625 }
   1626 
   1627 /*
   1628  * Reads 32-bit (int) number from guest address space from
   1629  * address 'addr' and prints it.
   1630  */
   1631 static void
   1632 print_number(abi_long addr, int last)
   1633 {
   1634     if (addr == 0) {
   1635         qemu_log("NULL%s", get_comma(last));
   1636     } else {
   1637         int num;
   1638 
   1639         get_user_s32(num, addr);
   1640         qemu_log("[%d]%s", num, get_comma(last));
   1641     }
   1642 }
   1643 
   1644 static void
   1645 print_timeval(abi_ulong tv_addr, int last)
   1646 {
   1647     if( tv_addr ) {
   1648         struct target_timeval *tv;
   1649 
   1650         tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
   1651         if (!tv) {
   1652             print_pointer(tv_addr, last);
   1653             return;
   1654         }
   1655         qemu_log("{tv_sec = " TARGET_ABI_FMT_ld
   1656                  ",tv_usec = " TARGET_ABI_FMT_ld "}%s",
   1657                  tswapal(tv->tv_sec), tswapal(tv->tv_usec), get_comma(last));
   1658         unlock_user(tv, tv_addr, 0);
   1659     } else
   1660         qemu_log("NULL%s", get_comma(last));
   1661 }
   1662 
   1663 static void
   1664 print_timespec(abi_ulong ts_addr, int last)
   1665 {
   1666     if (ts_addr) {
   1667         struct target_timespec *ts;
   1668 
   1669         ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1);
   1670         if (!ts) {
   1671             print_pointer(ts_addr, last);
   1672             return;
   1673         }
   1674         qemu_log("{tv_sec = " TARGET_ABI_FMT_ld
   1675                  ",tv_nsec = " TARGET_ABI_FMT_ld "}%s",
   1676                  tswapal(ts->tv_sec), tswapal(ts->tv_nsec), get_comma(last));
   1677         unlock_user(ts, ts_addr, 0);
   1678     } else {
   1679         qemu_log("NULL%s", get_comma(last));
   1680     }
   1681 }
   1682 
   1683 static void
   1684 print_timespec64(abi_ulong ts_addr, int last)
   1685 {
   1686     if (ts_addr) {
   1687         struct target__kernel_timespec *ts;
   1688 
   1689         ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1);
   1690         if (!ts) {
   1691             print_pointer(ts_addr, last);
   1692             return;
   1693         }
   1694         qemu_log("{tv_sec = %lld"
   1695                  ",tv_nsec = %lld}%s",
   1696                  (long long)tswap64(ts->tv_sec), (long long)tswap64(ts->tv_nsec),
   1697                  get_comma(last));
   1698         unlock_user(ts, ts_addr, 0);
   1699     } else {
   1700         qemu_log("NULL%s", get_comma(last));
   1701     }
   1702 }
   1703 
   1704 static void
   1705 print_timezone(abi_ulong tz_addr, int last)
   1706 {
   1707     if (tz_addr) {
   1708         struct target_timezone *tz;
   1709 
   1710         tz = lock_user(VERIFY_READ, tz_addr, sizeof(*tz), 1);
   1711         if (!tz) {
   1712             print_pointer(tz_addr, last);
   1713             return;
   1714         }
   1715         qemu_log("{%d,%d}%s", tswap32(tz->tz_minuteswest),
   1716                  tswap32(tz->tz_dsttime), get_comma(last));
   1717         unlock_user(tz, tz_addr, 0);
   1718     } else {
   1719         qemu_log("NULL%s", get_comma(last));
   1720     }
   1721 }
   1722 
   1723 static void
   1724 print_itimerval(abi_ulong it_addr, int last)
   1725 {
   1726     if (it_addr) {
   1727         qemu_log("{it_interval=");
   1728         print_timeval(it_addr +
   1729                       offsetof(struct target_itimerval, it_interval), 0);
   1730         qemu_log("it_value=");
   1731         print_timeval(it_addr +
   1732                       offsetof(struct target_itimerval, it_value), 0);
   1733         qemu_log("}%s", get_comma(last));
   1734     } else {
   1735         qemu_log("NULL%s", get_comma(last));
   1736     }
   1737 }
   1738 
   1739 void
   1740 print_termios(void *arg)
   1741 {
   1742     const struct target_termios *target = arg;
   1743 
   1744     target_tcflag_t iflags = tswap32(target->c_iflag);
   1745     target_tcflag_t oflags = tswap32(target->c_oflag);
   1746     target_tcflag_t cflags = tswap32(target->c_cflag);
   1747     target_tcflag_t lflags = tswap32(target->c_lflag);
   1748 
   1749     qemu_log("{");
   1750 
   1751     qemu_log("c_iflag = ");
   1752     print_flags(termios_iflags, iflags, 0);
   1753 
   1754     qemu_log("c_oflag = ");
   1755     target_tcflag_t oflags_clean =  oflags & ~(TARGET_NLDLY | TARGET_CRDLY |
   1756                                                TARGET_TABDLY | TARGET_BSDLY |
   1757                                                TARGET_VTDLY | TARGET_FFDLY);
   1758     print_flags(termios_oflags, oflags_clean, 0);
   1759     if (oflags & TARGET_NLDLY) {
   1760         print_enums(termios_oflags_NLDLY, oflags & TARGET_NLDLY, 0);
   1761     }
   1762     if (oflags & TARGET_CRDLY) {
   1763         print_enums(termios_oflags_CRDLY, oflags & TARGET_CRDLY, 0);
   1764     }
   1765     if (oflags & TARGET_TABDLY) {
   1766         print_enums(termios_oflags_TABDLY, oflags & TARGET_TABDLY, 0);
   1767     }
   1768     if (oflags & TARGET_BSDLY) {
   1769         print_enums(termios_oflags_BSDLY, oflags & TARGET_BSDLY, 0);
   1770     }
   1771     if (oflags & TARGET_VTDLY) {
   1772         print_enums(termios_oflags_VTDLY, oflags & TARGET_VTDLY, 0);
   1773     }
   1774     if (oflags & TARGET_FFDLY) {
   1775         print_enums(termios_oflags_FFDLY, oflags & TARGET_FFDLY, 0);
   1776     }
   1777 
   1778     qemu_log("c_cflag = ");
   1779     if (cflags & TARGET_CBAUD) {
   1780         print_enums(termios_cflags_CBAUD, cflags & TARGET_CBAUD, 0);
   1781     }
   1782     if (cflags & TARGET_CSIZE) {
   1783         print_enums(termios_cflags_CSIZE, cflags & TARGET_CSIZE, 0);
   1784     }
   1785     target_tcflag_t cflags_clean = cflags & ~(TARGET_CBAUD | TARGET_CSIZE);
   1786     print_flags(termios_cflags, cflags_clean, 0);
   1787 
   1788     qemu_log("c_lflag = ");
   1789     print_flags(termios_lflags, lflags, 0);
   1790 
   1791     qemu_log("c_cc = ");
   1792     qemu_log("\"%s\",", target->c_cc);
   1793 
   1794     qemu_log("c_line = ");
   1795     print_raw_param("\'%c\'", target->c_line, 1);
   1796 
   1797     qemu_log("}");
   1798 }
   1799 
   1800 #undef UNUSED
   1801 
   1802 #ifdef TARGET_NR_accept
   1803 static void
   1804 print_accept(CPUArchState *cpu_env, const struct syscallname *name,
   1805              abi_long arg0, abi_long arg1, abi_long arg2,
   1806              abi_long arg3, abi_long arg4, abi_long arg5)
   1807 {
   1808     print_syscall_prologue(name);
   1809     print_raw_param("%d", arg0, 0);
   1810     print_pointer(arg1, 0);
   1811     print_number(arg2, 1);
   1812     print_syscall_epilogue(name);
   1813 }
   1814 #endif
   1815 
   1816 #ifdef TARGET_NR_access
   1817 static void
   1818 print_access(CPUArchState *cpu_env, const struct syscallname *name,
   1819              abi_long arg0, abi_long arg1, abi_long arg2,
   1820              abi_long arg3, abi_long arg4, abi_long arg5)
   1821 {
   1822     print_syscall_prologue(name);
   1823     print_string(arg0, 0);
   1824     print_flags(access_flags, arg1, 1);
   1825     print_syscall_epilogue(name);
   1826 }
   1827 #endif
   1828 
   1829 #ifdef TARGET_NR_acct
   1830 static void
   1831 print_acct(CPUArchState *cpu_env, const struct syscallname *name,
   1832            abi_long arg0, abi_long arg1, abi_long arg2,
   1833            abi_long arg3, abi_long arg4, abi_long arg5)
   1834 {
   1835     print_syscall_prologue(name);
   1836     print_string(arg0, 1);
   1837     print_syscall_epilogue(name);
   1838 }
   1839 #endif
   1840 
   1841 #ifdef TARGET_NR_brk
   1842 static void
   1843 print_brk(CPUArchState *cpu_env, const struct syscallname *name,
   1844           abi_long arg0, abi_long arg1, abi_long arg2,
   1845           abi_long arg3, abi_long arg4, abi_long arg5)
   1846 {
   1847     print_syscall_prologue(name);
   1848     print_pointer(arg0, 1);
   1849     print_syscall_epilogue(name);
   1850 }
   1851 #endif
   1852 
   1853 #ifdef TARGET_NR_chdir
   1854 static void
   1855 print_chdir(CPUArchState *cpu_env, const struct syscallname *name,
   1856             abi_long arg0, abi_long arg1, abi_long arg2,
   1857             abi_long arg3, abi_long arg4, abi_long arg5)
   1858 {
   1859     print_syscall_prologue(name);
   1860     print_string(arg0, 1);
   1861     print_syscall_epilogue(name);
   1862 }
   1863 #endif
   1864 
   1865 #ifdef TARGET_NR_chroot
   1866 static void
   1867 print_chroot(CPUArchState *cpu_env, const struct syscallname *name,
   1868              abi_long arg0, abi_long arg1, abi_long arg2,
   1869              abi_long arg3, abi_long arg4, abi_long arg5)
   1870 {
   1871     print_syscall_prologue(name);
   1872     print_string(arg0, 1);
   1873     print_syscall_epilogue(name);
   1874 }
   1875 #endif
   1876 
   1877 #ifdef TARGET_NR_chmod
   1878 static void
   1879 print_chmod(CPUArchState *cpu_env, const struct syscallname *name,
   1880             abi_long arg0, abi_long arg1, abi_long arg2,
   1881             abi_long arg3, abi_long arg4, abi_long arg5)
   1882 {
   1883     print_syscall_prologue(name);
   1884     print_string(arg0, 0);
   1885     print_file_mode(arg1, 1);
   1886     print_syscall_epilogue(name);
   1887 }
   1888 #endif
   1889 
   1890 #if defined(TARGET_NR_chown) || defined(TARGET_NR_lchown)
   1891 static void
   1892 print_chown(CPUArchState *cpu_env, const struct syscallname *name,
   1893             abi_long arg0, abi_long arg1, abi_long arg2,
   1894             abi_long arg3, abi_long arg4, abi_long arg5)
   1895 {
   1896     print_syscall_prologue(name);
   1897     print_string(arg0, 0);
   1898     print_raw_param("%d", arg1, 0);
   1899     print_raw_param("%d", arg2, 1);
   1900     print_syscall_epilogue(name);
   1901 }
   1902 #define print_lchown     print_chown
   1903 #endif
   1904 
   1905 #ifdef TARGET_NR_clock_adjtime
   1906 static void
   1907 print_clock_adjtime(CPUArchState *cpu_env, const struct syscallname *name,
   1908                     abi_long arg0, abi_long arg1, abi_long arg2,
   1909                     abi_long arg3, abi_long arg4, abi_long arg5)
   1910 {
   1911     print_syscall_prologue(name);
   1912     print_enums(clockids, arg0, 0);
   1913     print_pointer(arg1, 1);
   1914     print_syscall_epilogue(name);
   1915 }
   1916 #endif
   1917 
   1918 #ifdef TARGET_NR_clone
   1919 static void do_print_clone(unsigned int flags, abi_ulong newsp,
   1920                            abi_ulong parent_tidptr, target_ulong newtls,
   1921                            abi_ulong child_tidptr)
   1922 {
   1923     print_flags(clone_flags, flags, 0);
   1924     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, newsp, 0);
   1925     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, parent_tidptr, 0);
   1926     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, newtls, 0);
   1927     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, child_tidptr, 1);
   1928 }
   1929 
   1930 static void
   1931 print_clone(CPUArchState *cpu_env, const struct syscallname *name,
   1932             abi_long arg1, abi_long arg2, abi_long arg3,
   1933             abi_long arg4, abi_long arg5, abi_long arg6)
   1934 {
   1935     print_syscall_prologue(name);
   1936 #if defined(TARGET_MICROBLAZE)
   1937     do_print_clone(arg1, arg2, arg4, arg6, arg5);
   1938 #elif defined(TARGET_CLONE_BACKWARDS)
   1939     do_print_clone(arg1, arg2, arg3, arg4, arg5);
   1940 #elif defined(TARGET_CLONE_BACKWARDS2)
   1941     do_print_clone(arg2, arg1, arg3, arg5, arg4);
   1942 #else
   1943     do_print_clone(arg1, arg2, arg3, arg5, arg4);
   1944 #endif
   1945     print_syscall_epilogue(name);
   1946 }
   1947 #endif
   1948 
   1949 #ifdef TARGET_NR_creat
   1950 static void
   1951 print_creat(CPUArchState *cpu_env, const struct syscallname *name,
   1952             abi_long arg0, abi_long arg1, abi_long arg2,
   1953             abi_long arg3, abi_long arg4, abi_long arg5)
   1954 {
   1955     print_syscall_prologue(name);
   1956     print_string(arg0, 0);
   1957     print_file_mode(arg1, 1);
   1958     print_syscall_epilogue(name);
   1959 }
   1960 #endif
   1961 
   1962 #ifdef TARGET_NR_execv
   1963 static void
   1964 print_execv(CPUArchState *cpu_env, const struct syscallname *name,
   1965             abi_long arg0, abi_long arg1, abi_long arg2,
   1966             abi_long arg3, abi_long arg4, abi_long arg5)
   1967 {
   1968     print_syscall_prologue(name);
   1969     print_string(arg0, 0);
   1970     print_raw_param("0x" TARGET_ABI_FMT_lx, arg1, 1);
   1971     print_syscall_epilogue(name);
   1972 }
   1973 #endif
   1974 
   1975 #if defined(TARGET_NR_faccessat) || defined(TARGET_NR_faccessat2)
   1976 static void
   1977 print_faccessat(CPUArchState *cpu_env, const struct syscallname *name,
   1978                 abi_long arg0, abi_long arg1, abi_long arg2,
   1979                 abi_long arg3, abi_long arg4, abi_long arg5)
   1980 {
   1981     print_syscall_prologue(name);
   1982     print_at_dirfd(arg0, 0);
   1983     print_string(arg1, 0);
   1984     print_flags(access_flags, arg2, 0);
   1985     print_flags(at_file_flags, arg3, 1);
   1986     print_syscall_epilogue(name);
   1987 }
   1988 #endif
   1989 
   1990 #ifdef TARGET_NR_fallocate
   1991 static void
   1992 print_fallocate(CPUArchState *cpu_env, const struct syscallname *name,
   1993                 abi_long arg0, abi_long arg1, abi_long arg2,
   1994                 abi_long arg3, abi_long arg4, abi_long arg5)
   1995 {
   1996     print_syscall_prologue(name);
   1997     print_raw_param("%d", arg0, 0);
   1998     print_flags(falloc_flags, arg1, 0);
   1999 #if TARGET_ABI_BITS == 32
   2000     print_raw_param("%" PRIu64, target_offset64(arg2, arg3), 0);
   2001     print_raw_param("%" PRIu64, target_offset64(arg4, arg5), 1);
   2002 #else
   2003     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
   2004     print_raw_param(TARGET_ABI_FMT_ld, arg3, 1);
   2005 #endif
   2006     print_syscall_epilogue(name);
   2007 }
   2008 #endif
   2009 
   2010 #ifdef TARGET_NR_fchmodat
   2011 static void
   2012 print_fchmodat(CPUArchState *cpu_env, const struct syscallname *name,
   2013                abi_long arg0, abi_long arg1, abi_long arg2,
   2014                abi_long arg3, abi_long arg4, abi_long arg5)
   2015 {
   2016     print_syscall_prologue(name);
   2017     print_at_dirfd(arg0, 0);
   2018     print_string(arg1, 0);
   2019     print_file_mode(arg2, 0);
   2020     print_flags(at_file_flags, arg3, 1);
   2021     print_syscall_epilogue(name);
   2022 }
   2023 #endif
   2024 
   2025 #ifdef TARGET_NR_fchownat
   2026 static void
   2027 print_fchownat(CPUArchState *cpu_env, const struct syscallname *name,
   2028                abi_long arg0, abi_long arg1, abi_long arg2,
   2029                abi_long arg3, abi_long arg4, abi_long arg5)
   2030 {
   2031     print_syscall_prologue(name);
   2032     print_at_dirfd(arg0, 0);
   2033     print_string(arg1, 0);
   2034     print_raw_param("%d", arg2, 0);
   2035     print_raw_param("%d", arg3, 0);
   2036     print_flags(at_file_flags, arg4, 1);
   2037     print_syscall_epilogue(name);
   2038 }
   2039 #endif
   2040 
   2041 #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
   2042 static void
   2043 print_fcntl(CPUArchState *cpu_env, const struct syscallname *name,
   2044             abi_long arg0, abi_long arg1, abi_long arg2,
   2045             abi_long arg3, abi_long arg4, abi_long arg5)
   2046 {
   2047     print_syscall_prologue(name);
   2048     print_raw_param("%d", arg0, 0);
   2049     switch(arg1) {
   2050     case TARGET_F_DUPFD:
   2051         qemu_log("F_DUPFD,");
   2052         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
   2053         break;
   2054     case TARGET_F_GETFD:
   2055         qemu_log("F_GETFD");
   2056         break;
   2057     case TARGET_F_SETFD:
   2058         qemu_log("F_SETFD,");
   2059         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
   2060         break;
   2061     case TARGET_F_GETFL:
   2062         qemu_log("F_GETFL");
   2063         break;
   2064     case TARGET_F_SETFL:
   2065         qemu_log("F_SETFL,");
   2066         print_open_flags(arg2, 1);
   2067         break;
   2068     case TARGET_F_GETLK:
   2069         qemu_log("F_GETLK,");
   2070         print_pointer(arg2, 1);
   2071         break;
   2072     case TARGET_F_SETLK:
   2073         qemu_log("F_SETLK,");
   2074         print_pointer(arg2, 1);
   2075         break;
   2076     case TARGET_F_SETLKW:
   2077         qemu_log("F_SETLKW,");
   2078         print_pointer(arg2, 1);
   2079         break;
   2080     case TARGET_F_GETOWN:
   2081         qemu_log("F_GETOWN");
   2082         break;
   2083     case TARGET_F_SETOWN:
   2084         qemu_log("F_SETOWN,");
   2085         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
   2086         break;
   2087     case TARGET_F_GETSIG:
   2088         qemu_log("F_GETSIG");
   2089         break;
   2090     case TARGET_F_SETSIG:
   2091         qemu_log("F_SETSIG,");
   2092         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
   2093         break;
   2094 #if TARGET_ABI_BITS == 32
   2095     case TARGET_F_GETLK64:
   2096         qemu_log("F_GETLK64,");
   2097         print_pointer(arg2, 1);
   2098         break;
   2099     case TARGET_F_SETLK64:
   2100         qemu_log("F_SETLK64,");
   2101         print_pointer(arg2, 1);
   2102         break;
   2103     case TARGET_F_SETLKW64:
   2104         qemu_log("F_SETLKW64,");
   2105         print_pointer(arg2, 1);
   2106         break;
   2107 #endif
   2108     case TARGET_F_OFD_GETLK:
   2109         qemu_log("F_OFD_GETLK,");
   2110         print_pointer(arg2, 1);
   2111         break;
   2112     case TARGET_F_OFD_SETLK:
   2113         qemu_log("F_OFD_SETLK,");
   2114         print_pointer(arg2, 1);
   2115         break;
   2116     case TARGET_F_OFD_SETLKW:
   2117         qemu_log("F_OFD_SETLKW,");
   2118         print_pointer(arg2, 1);
   2119         break;
   2120     case TARGET_F_SETLEASE:
   2121         qemu_log("F_SETLEASE,");
   2122         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
   2123         break;
   2124     case TARGET_F_GETLEASE:
   2125         qemu_log("F_GETLEASE");
   2126         break;
   2127 #ifdef F_DUPFD_CLOEXEC
   2128     case TARGET_F_DUPFD_CLOEXEC:
   2129         qemu_log("F_DUPFD_CLOEXEC,");
   2130         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
   2131         break;
   2132 #endif
   2133     case TARGET_F_NOTIFY:
   2134         qemu_log("F_NOTIFY,");
   2135         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
   2136         break;
   2137 #ifdef F_GETOWN_EX
   2138     case TARGET_F_GETOWN_EX:
   2139         qemu_log("F_GETOWN_EX,");
   2140         print_pointer(arg2, 1);
   2141         break;
   2142 #endif
   2143 #ifdef F_SETOWN_EX
   2144     case TARGET_F_SETOWN_EX:
   2145         qemu_log("F_SETOWN_EX,");
   2146         print_pointer(arg2, 1);
   2147         break;
   2148 #endif
   2149 #ifdef F_SETPIPE_SZ
   2150     case TARGET_F_SETPIPE_SZ:
   2151         qemu_log("F_SETPIPE_SZ,");
   2152         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
   2153         break;
   2154     case TARGET_F_GETPIPE_SZ:
   2155         qemu_log("F_GETPIPE_SZ");
   2156         break;
   2157 #endif
   2158 #ifdef F_ADD_SEALS
   2159     case TARGET_F_ADD_SEALS:
   2160         qemu_log("F_ADD_SEALS,");
   2161         print_raw_param("0x"TARGET_ABI_FMT_lx, arg2, 1);
   2162         break;
   2163     case TARGET_F_GET_SEALS:
   2164         qemu_log("F_GET_SEALS");
   2165         break;
   2166 #endif
   2167     default:
   2168         print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
   2169         print_pointer(arg2, 1);
   2170         break;
   2171     }
   2172     print_syscall_epilogue(name);
   2173 }
   2174 #define print_fcntl64   print_fcntl
   2175 #endif
   2176 
   2177 #ifdef TARGET_NR_fgetxattr
   2178 static void
   2179 print_fgetxattr(CPUArchState *cpu_env, const struct syscallname *name,
   2180                 abi_long arg0, abi_long arg1, abi_long arg2,
   2181                 abi_long arg3, abi_long arg4, abi_long arg5)
   2182 {
   2183     print_syscall_prologue(name);
   2184     print_raw_param("%d", arg0, 0);
   2185     print_string(arg1, 0);
   2186     print_pointer(arg2, 0);
   2187     print_raw_param(TARGET_FMT_lu, arg3, 1);
   2188     print_syscall_epilogue(name);
   2189 }
   2190 #endif
   2191 
   2192 #ifdef TARGET_NR_flistxattr
   2193 static void
   2194 print_flistxattr(CPUArchState *cpu_env, const struct syscallname *name,
   2195                  abi_long arg0, abi_long arg1, abi_long arg2,
   2196                  abi_long arg3, abi_long arg4, abi_long arg5)
   2197 {
   2198     print_syscall_prologue(name);
   2199     print_raw_param("%d", arg0, 0);
   2200     print_pointer(arg1, 0);
   2201     print_raw_param(TARGET_FMT_lu, arg2, 1);
   2202     print_syscall_epilogue(name);
   2203 }
   2204 #endif
   2205 
   2206 #if defined(TARGET_NR_getxattr) || defined(TARGET_NR_lgetxattr)
   2207 static void
   2208 print_getxattr(CPUArchState *cpu_env, const struct syscallname *name,
   2209                abi_long arg0, abi_long arg1, abi_long arg2,
   2210                abi_long arg3, abi_long arg4, abi_long arg5)
   2211 {
   2212     print_syscall_prologue(name);
   2213     print_string(arg0, 0);
   2214     print_string(arg1, 0);
   2215     print_pointer(arg2, 0);
   2216     print_raw_param(TARGET_FMT_lu, arg3, 1);
   2217     print_syscall_epilogue(name);
   2218 }
   2219 #define print_lgetxattr     print_getxattr
   2220 #endif
   2221 
   2222 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr)
   2223 static void
   2224 print_listxattr(CPUArchState *cpu_env, const struct syscallname *name,
   2225                 abi_long arg0, abi_long arg1, abi_long arg2,
   2226                 abi_long arg3, abi_long arg4, abi_long arg5)
   2227 {
   2228     print_syscall_prologue(name);
   2229     print_string(arg0, 0);
   2230     print_pointer(arg1, 0);
   2231     print_raw_param(TARGET_FMT_lu, arg2, 1);
   2232     print_syscall_epilogue(name);
   2233 }
   2234 #define print_llistxattr     print_listxattr
   2235 #endif
   2236 
   2237 #if defined(TARGET_NR_fremovexattr)
   2238 static void
   2239 print_fremovexattr(CPUArchState *cpu_env, const struct syscallname *name,
   2240                    abi_long arg0, abi_long arg1, abi_long arg2,
   2241                    abi_long arg3, abi_long arg4, abi_long arg5)
   2242 {
   2243     print_syscall_prologue(name);
   2244     print_raw_param("%d", arg0, 0);
   2245     print_string(arg1, 1);
   2246     print_syscall_epilogue(name);
   2247 }
   2248 #endif
   2249 
   2250 #if defined(TARGET_NR_removexattr) || defined(TARGET_NR_lremovexattr)
   2251 static void
   2252 print_removexattr(CPUArchState *cpu_env, const struct syscallname *name,
   2253                   abi_long arg0, abi_long arg1, abi_long arg2,
   2254                   abi_long arg3, abi_long arg4, abi_long arg5)
   2255 {
   2256     print_syscall_prologue(name);
   2257     print_string(arg0, 0);
   2258     print_string(arg1, 1);
   2259     print_syscall_epilogue(name);
   2260 }
   2261 #define print_lremovexattr     print_removexattr
   2262 #endif
   2263 
   2264 #ifdef TARGET_NR_futimesat
   2265 static void
   2266 print_futimesat(CPUArchState *cpu_env, const struct syscallname *name,
   2267                 abi_long arg0, abi_long arg1, abi_long arg2,
   2268                 abi_long arg3, abi_long arg4, abi_long arg5)
   2269 {
   2270     print_syscall_prologue(name);
   2271     print_at_dirfd(arg0, 0);
   2272     print_string(arg1, 0);
   2273     print_timeval(arg2, 0);
   2274     print_timeval(arg2 + sizeof (struct target_timeval), 1);
   2275     print_syscall_epilogue(name);
   2276 }
   2277 #endif
   2278 
   2279 #ifdef TARGET_NR_gettimeofday
   2280 static void
   2281 print_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name,
   2282                    abi_long arg0, abi_long arg1, abi_long arg2,
   2283                    abi_long arg3, abi_long arg4, abi_long arg5)
   2284 {
   2285     print_syscall_prologue(name);
   2286     print_pointer(arg0, 0);
   2287     print_pointer(arg1, 1);
   2288     print_syscall_epilogue(name);
   2289 }
   2290 #endif
   2291 
   2292 #ifdef TARGET_NR_settimeofday
   2293 static void
   2294 print_settimeofday(CPUArchState *cpu_env, const struct syscallname *name,
   2295                    abi_long arg0, abi_long arg1, abi_long arg2,
   2296                    abi_long arg3, abi_long arg4, abi_long arg5)
   2297 {
   2298     print_syscall_prologue(name);
   2299     print_timeval(arg0, 0);
   2300     print_timezone(arg1, 1);
   2301     print_syscall_epilogue(name);
   2302 }
   2303 #endif
   2304 
   2305 #if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
   2306 static void
   2307 print_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name,
   2308                     abi_long arg0, abi_long arg1, abi_long arg2,
   2309                     abi_long arg3, abi_long arg4, abi_long arg5)
   2310 {
   2311     print_syscall_prologue(name);
   2312     print_enums(clockids, arg0, 0);
   2313     print_pointer(arg1, 1);
   2314     print_syscall_epilogue(name);
   2315 }
   2316 #define print_clock_getres     print_clock_gettime
   2317 #endif
   2318 
   2319 #if defined(TARGET_NR_clock_gettime64)
   2320 static void
   2321 print_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name,
   2322                     abi_long arg0, abi_long arg1, abi_long arg2,
   2323                     abi_long arg3, abi_long arg4, abi_long arg5)
   2324 {
   2325     print_syscall_prologue(name);
   2326     print_enums(clockids, arg0, 0);
   2327     print_pointer(arg1, 1);
   2328     print_syscall_epilogue(name);
   2329 }
   2330 #endif
   2331 
   2332 #ifdef TARGET_NR_clock_settime
   2333 static void
   2334 print_clock_settime(CPUArchState *cpu_env, const struct syscallname *name,
   2335                     abi_long arg0, abi_long arg1, abi_long arg2,
   2336                     abi_long arg3, abi_long arg4, abi_long arg5)
   2337 {
   2338     print_syscall_prologue(name);
   2339     print_enums(clockids, arg0, 0);
   2340     print_timespec(arg1, 1);
   2341     print_syscall_epilogue(name);
   2342 }
   2343 #endif
   2344 
   2345 #ifdef TARGET_NR_getitimer
   2346 static void
   2347 print_getitimer(CPUArchState *cpu_env, const struct syscallname *name,
   2348                 abi_long arg0, abi_long arg1, abi_long arg2,
   2349                 abi_long arg3, abi_long arg4, abi_long arg5)
   2350 {
   2351     print_syscall_prologue(name);
   2352     print_enums(itimer_types, arg0, 0);
   2353     print_pointer(arg1, 1);
   2354     print_syscall_epilogue(name);
   2355 }
   2356 #endif
   2357 
   2358 #ifdef TARGET_NR_setitimer
   2359 static void
   2360 print_setitimer(CPUArchState *cpu_env, const struct syscallname *name,
   2361                 abi_long arg0, abi_long arg1, abi_long arg2,
   2362                 abi_long arg3, abi_long arg4, abi_long arg5)
   2363 {
   2364     print_syscall_prologue(name);
   2365     print_enums(itimer_types, arg0, 0);
   2366     print_itimerval(arg1, 0);
   2367     print_pointer(arg2, 1);
   2368     print_syscall_epilogue(name);
   2369 }
   2370 #endif
   2371 
   2372 #ifdef TARGET_NR_link
   2373 static void
   2374 print_link(CPUArchState *cpu_env, const struct syscallname *name,
   2375            abi_long arg0, abi_long arg1, abi_long arg2,
   2376            abi_long arg3, abi_long arg4, abi_long arg5)
   2377 {
   2378     print_syscall_prologue(name);
   2379     print_string(arg0, 0);
   2380     print_string(arg1, 1);
   2381     print_syscall_epilogue(name);
   2382 }
   2383 #endif
   2384 
   2385 #ifdef TARGET_NR_linkat
   2386 static void
   2387 print_linkat(CPUArchState *cpu_env, const struct syscallname *name,
   2388              abi_long arg0, abi_long arg1, abi_long arg2,
   2389              abi_long arg3, abi_long arg4, abi_long arg5)
   2390 {
   2391     print_syscall_prologue(name);
   2392     print_at_dirfd(arg0, 0);
   2393     print_string(arg1, 0);
   2394     print_at_dirfd(arg2, 0);
   2395     print_string(arg3, 0);
   2396     print_flags(at_file_flags, arg4, 1);
   2397     print_syscall_epilogue(name);
   2398 }
   2399 #endif
   2400 
   2401 #if defined(TARGET_NR__llseek) || defined(TARGET_NR_llseek)
   2402 static void
   2403 print__llseek(CPUArchState *cpu_env, const struct syscallname *name,
   2404               abi_long arg0, abi_long arg1, abi_long arg2,
   2405               abi_long arg3, abi_long arg4, abi_long arg5)
   2406 {
   2407     const char *whence = "UNKNOWN";
   2408     print_syscall_prologue(name);
   2409     print_raw_param("%d", arg0, 0);
   2410     print_raw_param("%ld", arg1, 0);
   2411     print_raw_param("%ld", arg2, 0);
   2412     print_pointer(arg3, 0);
   2413     switch(arg4) {
   2414     case SEEK_SET: whence = "SEEK_SET"; break;
   2415     case SEEK_CUR: whence = "SEEK_CUR"; break;
   2416     case SEEK_END: whence = "SEEK_END"; break;
   2417     }
   2418     qemu_log("%s", whence);
   2419     print_syscall_epilogue(name);
   2420 }
   2421 #define print_llseek print__llseek
   2422 #endif
   2423 
   2424 #ifdef TARGET_NR_lseek
   2425 static void
   2426 print_lseek(CPUArchState *cpu_env, const struct syscallname *name,
   2427             abi_long arg0, abi_long arg1, abi_long arg2,
   2428             abi_long arg3, abi_long arg4, abi_long arg5)
   2429 {
   2430     print_syscall_prologue(name);
   2431     print_raw_param("%d", arg0, 0);
   2432     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
   2433     switch (arg2) {
   2434     case SEEK_SET:
   2435         qemu_log("SEEK_SET"); break;
   2436     case SEEK_CUR:
   2437         qemu_log("SEEK_CUR"); break;
   2438     case SEEK_END:
   2439         qemu_log("SEEK_END"); break;
   2440 #ifdef SEEK_DATA
   2441     case SEEK_DATA:
   2442         qemu_log("SEEK_DATA"); break;
   2443 #endif
   2444 #ifdef SEEK_HOLE
   2445     case SEEK_HOLE:
   2446         qemu_log("SEEK_HOLE"); break;
   2447 #endif
   2448     default:
   2449         print_raw_param("%#x", arg2, 1);
   2450     }
   2451     print_syscall_epilogue(name);
   2452 }
   2453 #endif
   2454 
   2455 #ifdef TARGET_NR_truncate
   2456 static void
   2457 print_truncate(CPUArchState *cpu_env, const struct syscallname *name,
   2458                abi_long arg0, abi_long arg1, abi_long arg2,
   2459                abi_long arg3, abi_long arg4, abi_long arg5)
   2460 {
   2461     print_syscall_prologue(name);
   2462     print_string(arg0, 0);
   2463     print_raw_param(TARGET_ABI_FMT_ld, arg1, 1);
   2464     print_syscall_epilogue(name);
   2465 }
   2466 #endif
   2467 
   2468 #ifdef TARGET_NR_truncate64
   2469 static void
   2470 print_truncate64(CPUArchState *cpu_env, const struct syscallname *name,
   2471                  abi_long arg0, abi_long arg1, abi_long arg2,
   2472                  abi_long arg3, abi_long arg4, abi_long arg5)
   2473 {
   2474     print_syscall_prologue(name);
   2475     print_string(arg0, 0);
   2476     if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) {
   2477         arg1 = arg2;
   2478         arg2 = arg3;
   2479     }
   2480     print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1);
   2481     print_syscall_epilogue(name);
   2482 }
   2483 #endif
   2484 
   2485 #ifdef TARGET_NR_ftruncate64
   2486 static void
   2487 print_ftruncate64(CPUArchState *cpu_env, const struct syscallname *name,
   2488                   abi_long arg0, abi_long arg1, abi_long arg2,
   2489                   abi_long arg3, abi_long arg4, abi_long arg5)
   2490 {
   2491     print_syscall_prologue(name);
   2492     print_raw_param("%d", arg0, 0);
   2493     if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) {
   2494         arg1 = arg2;
   2495         arg2 = arg3;
   2496     }
   2497     print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1);
   2498     print_syscall_epilogue(name);
   2499 }
   2500 #endif
   2501 
   2502 #ifdef TARGET_NR_mlockall
   2503 static void
   2504 print_mlockall(CPUArchState *cpu_env, const struct syscallname *name,
   2505                abi_long arg0, abi_long arg1, abi_long arg2,
   2506                abi_long arg3, abi_long arg4, abi_long arg5)
   2507 {
   2508     print_syscall_prologue(name);
   2509     print_flags(mlockall_flags, arg0, 1);
   2510     print_syscall_epilogue(name);
   2511 }
   2512 #endif
   2513 
   2514 #if defined(TARGET_NR_socket)
   2515 static void
   2516 print_socket(CPUArchState *cpu_env, const struct syscallname *name,
   2517              abi_long arg0, abi_long arg1, abi_long arg2,
   2518              abi_long arg3, abi_long arg4, abi_long arg5)
   2519 {
   2520     abi_ulong domain = arg0, type = arg1, protocol = arg2;
   2521 
   2522     print_syscall_prologue(name);
   2523     print_socket_domain(domain);
   2524     qemu_log(",");
   2525     print_socket_type(type);
   2526     qemu_log(",");
   2527     if (domain == AF_PACKET ||
   2528         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
   2529         protocol = tswap16(protocol);
   2530     }
   2531     print_socket_protocol(domain, type, protocol);
   2532     print_syscall_epilogue(name);
   2533 }
   2534 
   2535 #endif
   2536 
   2537 #if defined(TARGET_NR_socketcall) || defined(TARGET_NR_bind)
   2538 
   2539 static void print_sockfd(abi_long sockfd, int last)
   2540 {
   2541     print_raw_param(TARGET_ABI_FMT_ld, sockfd, last);
   2542 }
   2543 
   2544 #endif
   2545 
   2546 #if defined(TARGET_NR_socketcall)
   2547 
   2548 #define get_user_ualx(x, gaddr, idx) \
   2549         get_user_ual(x, (gaddr) + (idx) * sizeof(abi_long))
   2550 
   2551 static void do_print_socket(const char *name, abi_long arg1)
   2552 {
   2553     abi_ulong domain, type, protocol;
   2554 
   2555     get_user_ualx(domain, arg1, 0);
   2556     get_user_ualx(type, arg1, 1);
   2557     get_user_ualx(protocol, arg1, 2);
   2558     qemu_log("%s(", name);
   2559     print_socket_domain(domain);
   2560     qemu_log(",");
   2561     print_socket_type(type);
   2562     qemu_log(",");
   2563     if (domain == AF_PACKET ||
   2564         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
   2565         protocol = tswap16(protocol);
   2566     }
   2567     print_socket_protocol(domain, type, protocol);
   2568     qemu_log(")");
   2569 }
   2570 
   2571 static void do_print_sockaddr(const char *name, abi_long arg1)
   2572 {
   2573     abi_ulong sockfd, addr, addrlen;
   2574 
   2575     get_user_ualx(sockfd, arg1, 0);
   2576     get_user_ualx(addr, arg1, 1);
   2577     get_user_ualx(addrlen, arg1, 2);
   2578 
   2579     qemu_log("%s(", name);
   2580     print_sockfd(sockfd, 0);
   2581     print_sockaddr(addr, addrlen, 0);
   2582     qemu_log(")");
   2583 }
   2584 
   2585 static void do_print_listen(const char *name, abi_long arg1)
   2586 {
   2587     abi_ulong sockfd, backlog;
   2588 
   2589     get_user_ualx(sockfd, arg1, 0);
   2590     get_user_ualx(backlog, arg1, 1);
   2591 
   2592     qemu_log("%s(", name);
   2593     print_sockfd(sockfd, 0);
   2594     print_raw_param(TARGET_ABI_FMT_ld, backlog, 1);
   2595     qemu_log(")");
   2596 }
   2597 
   2598 static void do_print_socketpair(const char *name, abi_long arg1)
   2599 {
   2600     abi_ulong domain, type, protocol, tab;
   2601 
   2602     get_user_ualx(domain, arg1, 0);
   2603     get_user_ualx(type, arg1, 1);
   2604     get_user_ualx(protocol, arg1, 2);
   2605     get_user_ualx(tab, arg1, 3);
   2606 
   2607     qemu_log("%s(", name);
   2608     print_socket_domain(domain);
   2609     qemu_log(",");
   2610     print_socket_type(type);
   2611     qemu_log(",");
   2612     print_socket_protocol(domain, type, protocol);
   2613     qemu_log(",");
   2614     print_raw_param(TARGET_ABI_FMT_lx, tab, 1);
   2615     qemu_log(")");
   2616 }
   2617 
   2618 static void do_print_sendrecv(const char *name, abi_long arg1)
   2619 {
   2620     abi_ulong sockfd, msg, len, flags;
   2621 
   2622     get_user_ualx(sockfd, arg1, 0);
   2623     get_user_ualx(msg, arg1, 1);
   2624     get_user_ualx(len, arg1, 2);
   2625     get_user_ualx(flags, arg1, 3);
   2626 
   2627     qemu_log("%s(", name);
   2628     print_sockfd(sockfd, 0);
   2629     print_buf(msg, len, 0);
   2630     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
   2631     print_flags(msg_flags, flags, 1);
   2632     qemu_log(")");
   2633 }
   2634 
   2635 static void do_print_msgaddr(const char *name, abi_long arg1)
   2636 {
   2637     abi_ulong sockfd, msg, len, flags, addr, addrlen;
   2638 
   2639     get_user_ualx(sockfd, arg1, 0);
   2640     get_user_ualx(msg, arg1, 1);
   2641     get_user_ualx(len, arg1, 2);
   2642     get_user_ualx(flags, arg1, 3);
   2643     get_user_ualx(addr, arg1, 4);
   2644     get_user_ualx(addrlen, arg1, 5);
   2645 
   2646     qemu_log("%s(", name);
   2647     print_sockfd(sockfd, 0);
   2648     print_buf(msg, len, 0);
   2649     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
   2650     print_flags(msg_flags, flags, 0);
   2651     print_sockaddr(addr, addrlen, 0);
   2652     qemu_log(")");
   2653 }
   2654 
   2655 static void do_print_shutdown(const char *name, abi_long arg1)
   2656 {
   2657     abi_ulong sockfd, how;
   2658 
   2659     get_user_ualx(sockfd, arg1, 0);
   2660     get_user_ualx(how, arg1, 1);
   2661 
   2662     qemu_log("shutdown(");
   2663     print_sockfd(sockfd, 0);
   2664     switch (how) {
   2665     case SHUT_RD:
   2666         qemu_log("SHUT_RD");
   2667         break;
   2668     case SHUT_WR:
   2669         qemu_log("SHUT_WR");
   2670         break;
   2671     case SHUT_RDWR:
   2672         qemu_log("SHUT_RDWR");
   2673         break;
   2674     default:
   2675         print_raw_param(TARGET_ABI_FMT_ld, how, 1);
   2676         break;
   2677     }
   2678     qemu_log(")");
   2679 }
   2680 
   2681 static void do_print_msg(const char *name, abi_long arg1)
   2682 {
   2683     abi_ulong sockfd, msg, flags;
   2684 
   2685     get_user_ualx(sockfd, arg1, 0);
   2686     get_user_ualx(msg, arg1, 1);
   2687     get_user_ualx(flags, arg1, 2);
   2688 
   2689     qemu_log("%s(", name);
   2690     print_sockfd(sockfd, 0);
   2691     print_pointer(msg, 0);
   2692     print_flags(msg_flags, flags, 1);
   2693     qemu_log(")");
   2694 }
   2695 
   2696 static void do_print_sockopt(const char *name, abi_long arg1)
   2697 {
   2698     abi_ulong sockfd, level, optname, optval, optlen;
   2699 
   2700     get_user_ualx(sockfd, arg1, 0);
   2701     get_user_ualx(level, arg1, 1);
   2702     get_user_ualx(optname, arg1, 2);
   2703     get_user_ualx(optval, arg1, 3);
   2704     get_user_ualx(optlen, arg1, 4);
   2705 
   2706     qemu_log("%s(", name);
   2707     print_sockfd(sockfd, 0);
   2708     switch (level) {
   2709     case SOL_TCP:
   2710         qemu_log("SOL_TCP,");
   2711         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
   2712         print_pointer(optval, 0);
   2713         break;
   2714     case SOL_UDP:
   2715         qemu_log("SOL_UDP,");
   2716         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
   2717         print_pointer(optval, 0);
   2718         break;
   2719     case SOL_IP:
   2720         qemu_log("SOL_IP,");
   2721         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
   2722         print_pointer(optval, 0);
   2723         break;
   2724     case SOL_RAW:
   2725         qemu_log("SOL_RAW,");
   2726         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
   2727         print_pointer(optval, 0);
   2728         break;
   2729     case TARGET_SOL_SOCKET:
   2730         qemu_log("SOL_SOCKET,");
   2731         switch (optname) {
   2732         case TARGET_SO_DEBUG:
   2733             qemu_log("SO_DEBUG,");
   2734 print_optint:
   2735             print_number(optval, 0);
   2736             break;
   2737         case TARGET_SO_REUSEADDR:
   2738             qemu_log("SO_REUSEADDR,");
   2739             goto print_optint;
   2740         case TARGET_SO_REUSEPORT:
   2741             qemu_log("SO_REUSEPORT,");
   2742             goto print_optint;
   2743         case TARGET_SO_TYPE:
   2744             qemu_log("SO_TYPE,");
   2745             goto print_optint;
   2746         case TARGET_SO_ERROR:
   2747             qemu_log("SO_ERROR,");
   2748             goto print_optint;
   2749         case TARGET_SO_DONTROUTE:
   2750             qemu_log("SO_DONTROUTE,");
   2751             goto print_optint;
   2752         case TARGET_SO_BROADCAST:
   2753             qemu_log("SO_BROADCAST,");
   2754             goto print_optint;
   2755         case TARGET_SO_SNDBUF:
   2756             qemu_log("SO_SNDBUF,");
   2757             goto print_optint;
   2758         case TARGET_SO_RCVBUF:
   2759             qemu_log("SO_RCVBUF,");
   2760             goto print_optint;
   2761         case TARGET_SO_KEEPALIVE:
   2762             qemu_log("SO_KEEPALIVE,");
   2763             goto print_optint;
   2764         case TARGET_SO_OOBINLINE:
   2765             qemu_log("SO_OOBINLINE,");
   2766             goto print_optint;
   2767         case TARGET_SO_NO_CHECK:
   2768             qemu_log("SO_NO_CHECK,");
   2769             goto print_optint;
   2770         case TARGET_SO_PRIORITY:
   2771             qemu_log("SO_PRIORITY,");
   2772             goto print_optint;
   2773         case TARGET_SO_BSDCOMPAT:
   2774             qemu_log("SO_BSDCOMPAT,");
   2775             goto print_optint;
   2776         case TARGET_SO_PASSCRED:
   2777             qemu_log("SO_PASSCRED,");
   2778             goto print_optint;
   2779         case TARGET_SO_TIMESTAMP:
   2780             qemu_log("SO_TIMESTAMP,");
   2781             goto print_optint;
   2782         case TARGET_SO_RCVLOWAT:
   2783             qemu_log("SO_RCVLOWAT,");
   2784             goto print_optint;
   2785         case TARGET_SO_RCVTIMEO:
   2786             qemu_log("SO_RCVTIMEO,");
   2787             print_timeval(optval, 0);
   2788             break;
   2789         case TARGET_SO_SNDTIMEO:
   2790             qemu_log("SO_SNDTIMEO,");
   2791             print_timeval(optval, 0);
   2792             break;
   2793         case TARGET_SO_ATTACH_FILTER: {
   2794             struct target_sock_fprog *fprog;
   2795 
   2796             qemu_log("SO_ATTACH_FILTER,");
   2797 
   2798             if (lock_user_struct(VERIFY_READ, fprog, optval,  0)) {
   2799                 struct target_sock_filter *filter;
   2800                 qemu_log("{");
   2801                 if (lock_user_struct(VERIFY_READ, filter,
   2802                                      tswapal(fprog->filter),  0)) {
   2803                     int i;
   2804                     for (i = 0; i < tswap16(fprog->len) - 1; i++) {
   2805                         qemu_log("[%d]{0x%x,%d,%d,0x%x},",
   2806                                  i, tswap16(filter[i].code),
   2807                                  filter[i].jt, filter[i].jf,
   2808                                  tswap32(filter[i].k));
   2809                     }
   2810                     qemu_log("[%d]{0x%x,%d,%d,0x%x}",
   2811                              i, tswap16(filter[i].code),
   2812                              filter[i].jt, filter[i].jf,
   2813                              tswap32(filter[i].k));
   2814                 } else {
   2815                     qemu_log(TARGET_ABI_FMT_lx, tswapal(fprog->filter));
   2816                 }
   2817                 qemu_log(",%d},", tswap16(fprog->len));
   2818                 unlock_user(fprog, optval, 0);
   2819             } else {
   2820                 print_pointer(optval, 0);
   2821             }
   2822             break;
   2823         }
   2824         default:
   2825             print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
   2826             print_pointer(optval, 0);
   2827             break;
   2828         }
   2829         break;
   2830     case SOL_IPV6:
   2831         qemu_log("SOL_IPV6,");
   2832         switch (optname) {
   2833         case IPV6_MTU_DISCOVER:
   2834             qemu_log("IPV6_MTU_DISCOVER,");
   2835             goto print_optint;
   2836         case IPV6_MTU:
   2837             qemu_log("IPV6_MTU,");
   2838             goto print_optint;
   2839         case IPV6_V6ONLY:
   2840             qemu_log("IPV6_V6ONLY,");
   2841             goto print_optint;
   2842         case IPV6_RECVPKTINFO:
   2843             qemu_log("IPV6_RECVPKTINFO,");
   2844             goto print_optint;
   2845         case IPV6_UNICAST_HOPS:
   2846             qemu_log("IPV6_UNICAST_HOPS,");
   2847             goto print_optint;
   2848         case IPV6_MULTICAST_HOPS:
   2849             qemu_log("IPV6_MULTICAST_HOPS,");
   2850             goto print_optint;
   2851         case IPV6_MULTICAST_LOOP:
   2852             qemu_log("IPV6_MULTICAST_LOOP,");
   2853             goto print_optint;
   2854         case IPV6_RECVERR:
   2855             qemu_log("IPV6_RECVERR,");
   2856             goto print_optint;
   2857         case IPV6_RECVHOPLIMIT:
   2858             qemu_log("IPV6_RECVHOPLIMIT,");
   2859             goto print_optint;
   2860         case IPV6_2292HOPLIMIT:
   2861             qemu_log("IPV6_2292HOPLIMIT,");
   2862             goto print_optint;
   2863         case IPV6_CHECKSUM:
   2864             qemu_log("IPV6_CHECKSUM,");
   2865             goto print_optint;
   2866         case IPV6_ADDRFORM:
   2867             qemu_log("IPV6_ADDRFORM,");
   2868             goto print_optint;
   2869         case IPV6_2292PKTINFO:
   2870             qemu_log("IPV6_2292PKTINFO,");
   2871             goto print_optint;
   2872         case IPV6_RECVTCLASS:
   2873             qemu_log("IPV6_RECVTCLASS,");
   2874             goto print_optint;
   2875         case IPV6_RECVRTHDR:
   2876             qemu_log("IPV6_RECVRTHDR,");
   2877             goto print_optint;
   2878         case IPV6_2292RTHDR:
   2879             qemu_log("IPV6_2292RTHDR,");
   2880             goto print_optint;
   2881         case IPV6_RECVHOPOPTS:
   2882             qemu_log("IPV6_RECVHOPOPTS,");
   2883             goto print_optint;
   2884         case IPV6_2292HOPOPTS:
   2885             qemu_log("IPV6_2292HOPOPTS,");
   2886             goto print_optint;
   2887         case IPV6_RECVDSTOPTS:
   2888             qemu_log("IPV6_RECVDSTOPTS,");
   2889             goto print_optint;
   2890         case IPV6_2292DSTOPTS:
   2891             qemu_log("IPV6_2292DSTOPTS,");
   2892             goto print_optint;
   2893         case IPV6_TCLASS:
   2894             qemu_log("IPV6_TCLASS,");
   2895             goto print_optint;
   2896         case IPV6_ADDR_PREFERENCES:
   2897             qemu_log("IPV6_ADDR_PREFERENCES,");
   2898             goto print_optint;
   2899 #ifdef IPV6_RECVPATHMTU
   2900         case IPV6_RECVPATHMTU:
   2901             qemu_log("IPV6_RECVPATHMTU,");
   2902             goto print_optint;
   2903 #endif
   2904 #ifdef IPV6_TRANSPARENT
   2905         case IPV6_TRANSPARENT:
   2906             qemu_log("IPV6_TRANSPARENT,");
   2907             goto print_optint;
   2908 #endif
   2909 #ifdef IPV6_FREEBIND
   2910         case IPV6_FREEBIND:
   2911             qemu_log("IPV6_FREEBIND,");
   2912             goto print_optint;
   2913 #endif
   2914 #ifdef IPV6_RECVORIGDSTADDR
   2915         case IPV6_RECVORIGDSTADDR:
   2916             qemu_log("IPV6_RECVORIGDSTADDR,");
   2917             goto print_optint;
   2918 #endif
   2919         case IPV6_PKTINFO:
   2920             qemu_log("IPV6_PKTINFO,");
   2921             print_pointer(optval, 0);
   2922             break;
   2923         case IPV6_ADD_MEMBERSHIP:
   2924             qemu_log("IPV6_ADD_MEMBERSHIP,");
   2925             print_pointer(optval, 0);
   2926             break;
   2927         case IPV6_DROP_MEMBERSHIP:
   2928             qemu_log("IPV6_DROP_MEMBERSHIP,");
   2929             print_pointer(optval, 0);
   2930             break;
   2931         default:
   2932             print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
   2933             print_pointer(optval, 0);
   2934             break;
   2935         }
   2936         break;
   2937     default:
   2938         print_raw_param(TARGET_ABI_FMT_ld, level, 0);
   2939         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
   2940         print_pointer(optval, 0);
   2941         break;
   2942     }
   2943     print_raw_param(TARGET_ABI_FMT_ld, optlen, 1);
   2944     qemu_log(")");
   2945 }
   2946 
   2947 #define PRINT_SOCKOP(name, func) \
   2948     [TARGET_SYS_##name] = { #name, func }
   2949 
   2950 static struct {
   2951     const char *name;
   2952     void (*print)(const char *, abi_long);
   2953 } scall[] = {
   2954     PRINT_SOCKOP(SOCKET, do_print_socket),
   2955     PRINT_SOCKOP(BIND, do_print_sockaddr),
   2956     PRINT_SOCKOP(CONNECT, do_print_sockaddr),
   2957     PRINT_SOCKOP(LISTEN, do_print_listen),
   2958     PRINT_SOCKOP(ACCEPT, do_print_sockaddr),
   2959     PRINT_SOCKOP(GETSOCKNAME, do_print_sockaddr),
   2960     PRINT_SOCKOP(GETPEERNAME, do_print_sockaddr),
   2961     PRINT_SOCKOP(SOCKETPAIR, do_print_socketpair),
   2962     PRINT_SOCKOP(SEND, do_print_sendrecv),
   2963     PRINT_SOCKOP(RECV, do_print_sendrecv),
   2964     PRINT_SOCKOP(SENDTO, do_print_msgaddr),
   2965     PRINT_SOCKOP(RECVFROM, do_print_msgaddr),
   2966     PRINT_SOCKOP(SHUTDOWN, do_print_shutdown),
   2967     PRINT_SOCKOP(SETSOCKOPT, do_print_sockopt),
   2968     PRINT_SOCKOP(GETSOCKOPT, do_print_sockopt),
   2969     PRINT_SOCKOP(SENDMSG, do_print_msg),
   2970     PRINT_SOCKOP(RECVMSG, do_print_msg),
   2971     PRINT_SOCKOP(ACCEPT4, NULL),
   2972     PRINT_SOCKOP(RECVMMSG, NULL),
   2973     PRINT_SOCKOP(SENDMMSG, NULL),
   2974 };
   2975 
   2976 static void
   2977 print_socketcall(CPUArchState *cpu_env, const struct syscallname *name,
   2978                  abi_long arg0, abi_long arg1, abi_long arg2,
   2979                  abi_long arg3, abi_long arg4, abi_long arg5)
   2980 {
   2981     if (arg0 >= 0 && arg0 < ARRAY_SIZE(scall) && scall[arg0].print) {
   2982         scall[arg0].print(scall[arg0].name, arg1);
   2983         return;
   2984     }
   2985     print_syscall_prologue(name);
   2986     print_raw_param(TARGET_ABI_FMT_ld, arg0, 0);
   2987     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
   2988     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
   2989     print_raw_param(TARGET_ABI_FMT_ld, arg3, 0);
   2990     print_raw_param(TARGET_ABI_FMT_ld, arg4, 0);
   2991     print_raw_param(TARGET_ABI_FMT_ld, arg5, 0);
   2992     print_syscall_epilogue(name);
   2993 }
   2994 #endif
   2995 
   2996 #if defined(TARGET_NR_bind)
   2997 static void
   2998 print_bind(CPUArchState *cpu_env, const struct syscallname *name,
   2999            abi_long arg0, abi_long arg1, abi_long arg2,
   3000            abi_long arg3, abi_long arg4, abi_long arg5)
   3001 {
   3002     print_syscall_prologue(name);
   3003     print_sockfd(arg0, 0);
   3004     print_sockaddr(arg1, arg2, 1);
   3005     print_syscall_epilogue(name);
   3006 }
   3007 #endif
   3008 
   3009 #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
   3010     defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
   3011 static void
   3012 print_stat(CPUArchState *cpu_env, const struct syscallname *name,
   3013            abi_long arg0, abi_long arg1, abi_long arg2,
   3014            abi_long arg3, abi_long arg4, abi_long arg5)
   3015 {
   3016     print_syscall_prologue(name);
   3017     print_string(arg0, 0);
   3018     print_pointer(arg1, 1);
   3019     print_syscall_epilogue(name);
   3020 }
   3021 #define print_lstat     print_stat
   3022 #define print_stat64	print_stat
   3023 #define print_lstat64   print_stat
   3024 #endif
   3025 
   3026 #if defined(TARGET_NR_madvise)
   3027 static struct enums madvise_advice[] = {
   3028     ENUM_TARGET(MADV_NORMAL),
   3029     ENUM_TARGET(MADV_RANDOM),
   3030     ENUM_TARGET(MADV_SEQUENTIAL),
   3031     ENUM_TARGET(MADV_WILLNEED),
   3032     ENUM_TARGET(MADV_DONTNEED),
   3033     ENUM_TARGET(MADV_FREE),
   3034     ENUM_TARGET(MADV_REMOVE),
   3035     ENUM_TARGET(MADV_DONTFORK),
   3036     ENUM_TARGET(MADV_DOFORK),
   3037     ENUM_TARGET(MADV_MERGEABLE),
   3038     ENUM_TARGET(MADV_UNMERGEABLE),
   3039     ENUM_TARGET(MADV_HUGEPAGE),
   3040     ENUM_TARGET(MADV_NOHUGEPAGE),
   3041     ENUM_TARGET(MADV_DONTDUMP),
   3042     ENUM_TARGET(MADV_DODUMP),
   3043     ENUM_TARGET(MADV_WIPEONFORK),
   3044     ENUM_TARGET(MADV_KEEPONFORK),
   3045     ENUM_TARGET(MADV_COLD),
   3046     ENUM_TARGET(MADV_PAGEOUT),
   3047     ENUM_TARGET(MADV_POPULATE_READ),
   3048     ENUM_TARGET(MADV_POPULATE_WRITE),
   3049     ENUM_TARGET(MADV_DONTNEED_LOCKED),
   3050     ENUM_END,
   3051 };
   3052 
   3053 static void
   3054 print_madvise(CPUArchState *cpu_env, const struct syscallname *name,
   3055               abi_long arg0, abi_long arg1, abi_long arg2,
   3056               abi_long arg3, abi_long arg4, abi_long arg5)
   3057 {
   3058     print_syscall_prologue(name);
   3059     print_pointer(arg0, 0);
   3060     print_raw_param("%d", arg1, 0);
   3061     print_enums(madvise_advice, arg2, 1);
   3062     print_syscall_epilogue(name);
   3063 }
   3064 #endif
   3065 
   3066 #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
   3067 static void
   3068 print_fstat(CPUArchState *cpu_env, const struct syscallname *name,
   3069             abi_long arg0, abi_long arg1, abi_long arg2,
   3070             abi_long arg3, abi_long arg4, abi_long arg5)
   3071 {
   3072     print_syscall_prologue(name);
   3073     print_raw_param("%d", arg0, 0);
   3074     print_pointer(arg1, 1);
   3075     print_syscall_epilogue(name);
   3076 }
   3077 #define print_fstat64     print_fstat
   3078 #endif
   3079 
   3080 #ifdef TARGET_NR_mkdir
   3081 static void
   3082 print_mkdir(CPUArchState *cpu_env, const struct syscallname *name,
   3083             abi_long arg0, abi_long arg1, abi_long arg2,
   3084             abi_long arg3, abi_long arg4, abi_long arg5)
   3085 {
   3086     print_syscall_prologue(name);
   3087     print_string(arg0, 0);
   3088     print_file_mode(arg1, 1);
   3089     print_syscall_epilogue(name);
   3090 }
   3091 #endif
   3092 
   3093 #ifdef TARGET_NR_mkdirat
   3094 static void
   3095 print_mkdirat(CPUArchState *cpu_env, const struct syscallname *name,
   3096               abi_long arg0, abi_long arg1, abi_long arg2,
   3097               abi_long arg3, abi_long arg4, abi_long arg5)
   3098 {
   3099     print_syscall_prologue(name);
   3100     print_at_dirfd(arg0, 0);
   3101     print_string(arg1, 0);
   3102     print_file_mode(arg2, 1);
   3103     print_syscall_epilogue(name);
   3104 }
   3105 #endif
   3106 
   3107 #ifdef TARGET_NR_rmdir
   3108 static void
   3109 print_rmdir(CPUArchState *cpu_env, const struct syscallname *name,
   3110             abi_long arg0, abi_long arg1, abi_long arg2,
   3111             abi_long arg3, abi_long arg4, abi_long arg5)
   3112 {
   3113     print_syscall_prologue(name);
   3114     print_string(arg0, 0);
   3115     print_syscall_epilogue(name);
   3116 }
   3117 #endif
   3118 
   3119 #ifdef TARGET_NR_rt_sigaction
   3120 static void
   3121 print_rt_sigaction(CPUArchState *cpu_env, const struct syscallname *name,
   3122                    abi_long arg0, abi_long arg1, abi_long arg2,
   3123                    abi_long arg3, abi_long arg4, abi_long arg5)
   3124 {
   3125     print_syscall_prologue(name);
   3126     print_signal(arg0, 0);
   3127     print_pointer(arg1, 0);
   3128     print_pointer(arg2, 1);
   3129     print_syscall_epilogue(name);
   3130 }
   3131 #endif
   3132 
   3133 #ifdef TARGET_NR_rt_sigprocmask
   3134 static void
   3135 print_rt_sigprocmask(CPUArchState *cpu_env, const struct syscallname *name,
   3136                      abi_long arg0, abi_long arg1, abi_long arg2,
   3137                      abi_long arg3, abi_long arg4, abi_long arg5)
   3138 {
   3139     const char *how = "UNKNOWN";
   3140     print_syscall_prologue(name);
   3141     switch(arg0) {
   3142     case TARGET_SIG_BLOCK: how = "SIG_BLOCK"; break;
   3143     case TARGET_SIG_UNBLOCK: how = "SIG_UNBLOCK"; break;
   3144     case TARGET_SIG_SETMASK: how = "SIG_SETMASK"; break;
   3145     }
   3146     qemu_log("%s,", how);
   3147     print_pointer(arg1, 0);
   3148     print_pointer(arg2, 1);
   3149     print_syscall_epilogue(name);
   3150 }
   3151 #endif
   3152 
   3153 #ifdef TARGET_NR_rt_sigqueueinfo
   3154 static void
   3155 print_rt_sigqueueinfo(CPUArchState *cpu_env, const struct syscallname *name,
   3156                       abi_long arg0, abi_long arg1, abi_long arg2,
   3157                       abi_long arg3, abi_long arg4, abi_long arg5)
   3158 {
   3159     void *p;
   3160     target_siginfo_t uinfo;
   3161 
   3162     print_syscall_prologue(name);
   3163     print_raw_param("%d", arg0, 0);
   3164     print_signal(arg1, 0);
   3165     p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1);
   3166     if (p) {
   3167         get_target_siginfo(&uinfo, p);
   3168         print_siginfo(&uinfo);
   3169 
   3170         unlock_user(p, arg2, 0);
   3171     } else {
   3172         print_pointer(arg2, 1);
   3173     }
   3174     print_syscall_epilogue(name);
   3175 }
   3176 #endif
   3177 
   3178 #ifdef TARGET_NR_rt_tgsigqueueinfo
   3179 static void
   3180 print_rt_tgsigqueueinfo(CPUArchState *cpu_env, const struct syscallname *name,
   3181                         abi_long arg0, abi_long arg1, abi_long arg2,
   3182                         abi_long arg3, abi_long arg4, abi_long arg5)
   3183 {
   3184     void *p;
   3185     target_siginfo_t uinfo;
   3186 
   3187     print_syscall_prologue(name);
   3188     print_raw_param("%d", arg0, 0);
   3189     print_raw_param("%d", arg1, 0);
   3190     print_signal(arg2, 0);
   3191     p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
   3192     if (p) {
   3193         get_target_siginfo(&uinfo, p);
   3194         print_siginfo(&uinfo);
   3195 
   3196         unlock_user(p, arg3, 0);
   3197     } else {
   3198         print_pointer(arg3, 1);
   3199     }
   3200     print_syscall_epilogue(name);
   3201 }
   3202 #endif
   3203 
   3204 #ifdef TARGET_NR_syslog
   3205 static void
   3206 print_syslog_action(abi_ulong arg, int last)
   3207 {
   3208     const char *type;
   3209 
   3210     switch (arg) {
   3211         case TARGET_SYSLOG_ACTION_CLOSE: {
   3212             type = "SYSLOG_ACTION_CLOSE";
   3213             break;
   3214         }
   3215         case TARGET_SYSLOG_ACTION_OPEN: {
   3216             type = "SYSLOG_ACTION_OPEN";
   3217             break;
   3218         }
   3219         case TARGET_SYSLOG_ACTION_READ: {
   3220             type = "SYSLOG_ACTION_READ";
   3221             break;
   3222         }
   3223         case TARGET_SYSLOG_ACTION_READ_ALL: {
   3224             type = "SYSLOG_ACTION_READ_ALL";
   3225             break;
   3226         }
   3227         case TARGET_SYSLOG_ACTION_READ_CLEAR: {
   3228             type = "SYSLOG_ACTION_READ_CLEAR";
   3229             break;
   3230         }
   3231         case TARGET_SYSLOG_ACTION_CLEAR: {
   3232             type = "SYSLOG_ACTION_CLEAR";
   3233             break;
   3234         }
   3235         case TARGET_SYSLOG_ACTION_CONSOLE_OFF: {
   3236             type = "SYSLOG_ACTION_CONSOLE_OFF";
   3237             break;
   3238         }
   3239         case TARGET_SYSLOG_ACTION_CONSOLE_ON: {
   3240             type = "SYSLOG_ACTION_CONSOLE_ON";
   3241             break;
   3242         }
   3243         case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: {
   3244             type = "SYSLOG_ACTION_CONSOLE_LEVEL";
   3245             break;
   3246         }
   3247         case TARGET_SYSLOG_ACTION_SIZE_UNREAD: {
   3248             type = "SYSLOG_ACTION_SIZE_UNREAD";
   3249             break;
   3250         }
   3251         case TARGET_SYSLOG_ACTION_SIZE_BUFFER: {
   3252             type = "SYSLOG_ACTION_SIZE_BUFFER";
   3253             break;
   3254         }
   3255         default: {
   3256             print_raw_param("%ld", arg, last);
   3257             return;
   3258         }
   3259     }
   3260     qemu_log("%s%s", type, get_comma(last));
   3261 }
   3262 
   3263 static void
   3264 print_syslog(CPUArchState *cpu_env, const struct syscallname *name,
   3265              abi_long arg0, abi_long arg1, abi_long arg2,
   3266              abi_long arg3, abi_long arg4, abi_long arg5)
   3267 {
   3268     print_syscall_prologue(name);
   3269     print_syslog_action(arg0, 0);
   3270     print_pointer(arg1, 0);
   3271     print_raw_param("%d", arg2, 1);
   3272     print_syscall_epilogue(name);
   3273 }
   3274 #endif
   3275 
   3276 #ifdef TARGET_NR_mknod
   3277 static void
   3278 print_mknod(CPUArchState *cpu_env, const struct syscallname *name,
   3279             abi_long arg0, abi_long arg1, abi_long arg2,
   3280             abi_long arg3, abi_long arg4, abi_long arg5)
   3281 {
   3282     int hasdev = (arg1 & (S_IFCHR|S_IFBLK));
   3283 
   3284     print_syscall_prologue(name);
   3285     print_string(arg0, 0);
   3286     print_file_mode(arg1, (hasdev == 0));
   3287     if (hasdev) {
   3288         print_raw_param("makedev(%d", major(arg2), 0);
   3289         print_raw_param("%d)", minor(arg2), 1);
   3290     }
   3291     print_syscall_epilogue(name);
   3292 }
   3293 #endif
   3294 
   3295 #ifdef TARGET_NR_mknodat
   3296 static void
   3297 print_mknodat(CPUArchState *cpu_env, const struct syscallname *name,
   3298               abi_long arg0, abi_long arg1, abi_long arg2,
   3299               abi_long arg3, abi_long arg4, abi_long arg5)
   3300 {
   3301     int hasdev = (arg2 & (S_IFCHR|S_IFBLK));
   3302 
   3303     print_syscall_prologue(name);
   3304     print_at_dirfd(arg0, 0);
   3305     print_string(arg1, 0);
   3306     print_file_mode(arg2, (hasdev == 0));
   3307     if (hasdev) {
   3308         print_raw_param("makedev(%d", major(arg3), 0);
   3309         print_raw_param("%d)", minor(arg3), 1);
   3310     }
   3311     print_syscall_epilogue(name);
   3312 }
   3313 #endif
   3314 
   3315 #ifdef TARGET_NR_mq_open
   3316 static void
   3317 print_mq_open(CPUArchState *cpu_env, const struct syscallname *name,
   3318               abi_long arg0, abi_long arg1, abi_long arg2,
   3319               abi_long arg3, abi_long arg4, abi_long arg5)
   3320 {
   3321     int is_creat = (arg1 & TARGET_O_CREAT);
   3322 
   3323     print_syscall_prologue(name);
   3324     print_string(arg0, 0);
   3325     print_open_flags(arg1, (is_creat == 0));
   3326     if (is_creat) {
   3327         print_file_mode(arg2, 0);
   3328         print_pointer(arg3, 1);
   3329     }
   3330     print_syscall_epilogue(name);
   3331 }
   3332 #endif
   3333 
   3334 #ifdef TARGET_NR_open
   3335 static void
   3336 print_open(CPUArchState *cpu_env, const struct syscallname *name,
   3337            abi_long arg0, abi_long arg1, abi_long arg2,
   3338            abi_long arg3, abi_long arg4, abi_long arg5)
   3339 {
   3340     int is_creat = (arg1 & TARGET_O_CREAT);
   3341 
   3342     print_syscall_prologue(name);
   3343     print_string(arg0, 0);
   3344     print_open_flags(arg1, (is_creat == 0));
   3345     if (is_creat)
   3346         print_file_mode(arg2, 1);
   3347     print_syscall_epilogue(name);
   3348 }
   3349 #endif
   3350 
   3351 #ifdef TARGET_NR_openat
   3352 static void
   3353 print_openat(CPUArchState *cpu_env, const struct syscallname *name,
   3354              abi_long arg0, abi_long arg1, abi_long arg2,
   3355              abi_long arg3, abi_long arg4, abi_long arg5)
   3356 {
   3357     int is_creat = (arg2 & TARGET_O_CREAT);
   3358 
   3359     print_syscall_prologue(name);
   3360     print_at_dirfd(arg0, 0);
   3361     print_string(arg1, 0);
   3362     print_open_flags(arg2, (is_creat == 0));
   3363     if (is_creat)
   3364         print_file_mode(arg3, 1);
   3365     print_syscall_epilogue(name);
   3366 }
   3367 #endif
   3368 
   3369 #ifdef TARGET_NR_pidfd_send_signal
   3370 static void
   3371 print_pidfd_send_signal(CPUArchState *cpu_env, const struct syscallname *name,
   3372                 abi_long arg0, abi_long arg1, abi_long arg2,
   3373                 abi_long arg3, abi_long arg4, abi_long arg5)
   3374 {
   3375     void *p;
   3376     target_siginfo_t uinfo;
   3377 
   3378     print_syscall_prologue(name);
   3379     print_raw_param("%d", arg0, 0);
   3380     print_signal(arg1, 0);
   3381 
   3382     p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1);
   3383     if (p) {
   3384         get_target_siginfo(&uinfo, p);
   3385         print_siginfo(&uinfo);
   3386 
   3387         unlock_user(p, arg2, 0);
   3388     } else {
   3389         print_pointer(arg2, 0);
   3390     }
   3391 
   3392     print_raw_param("%u", arg3, 1);
   3393     print_syscall_epilogue(name);
   3394 }
   3395 #endif
   3396 
   3397 #ifdef TARGET_NR_mq_unlink
   3398 static void
   3399 print_mq_unlink(CPUArchState *cpu_env, const struct syscallname *name,
   3400                 abi_long arg0, abi_long arg1, abi_long arg2,
   3401                 abi_long arg3, abi_long arg4, abi_long arg5)
   3402 {
   3403     print_syscall_prologue(name);
   3404     print_string(arg0, 1);
   3405     print_syscall_epilogue(name);
   3406 }
   3407 #endif
   3408 
   3409 #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
   3410 static void
   3411 print_fstatat64(CPUArchState *cpu_env, const struct syscallname *name,
   3412                 abi_long arg0, abi_long arg1, abi_long arg2,
   3413                 abi_long arg3, abi_long arg4, abi_long arg5)
   3414 {
   3415     print_syscall_prologue(name);
   3416     print_at_dirfd(arg0, 0);
   3417     print_string(arg1, 0);
   3418     print_pointer(arg2, 0);
   3419     print_flags(at_file_flags, arg3, 1);
   3420     print_syscall_epilogue(name);
   3421 }
   3422 #define print_newfstatat    print_fstatat64
   3423 #endif
   3424 
   3425 #ifdef TARGET_NR_readlink
   3426 static void
   3427 print_readlink(CPUArchState *cpu_env, const struct syscallname *name,
   3428                abi_long arg0, abi_long arg1, abi_long arg2,
   3429                abi_long arg3, abi_long arg4, abi_long arg5)
   3430 {
   3431     print_syscall_prologue(name);
   3432     print_string(arg0, 0);
   3433     print_pointer(arg1, 0);
   3434     print_raw_param("%u", arg2, 1);
   3435     print_syscall_epilogue(name);
   3436 }
   3437 #endif
   3438 
   3439 #ifdef TARGET_NR_readlinkat
   3440 static void
   3441 print_readlinkat(CPUArchState *cpu_env, const struct syscallname *name,
   3442                  abi_long arg0, abi_long arg1, abi_long arg2,
   3443                  abi_long arg3, abi_long arg4, abi_long arg5)
   3444 {
   3445     print_syscall_prologue(name);
   3446     print_at_dirfd(arg0, 0);
   3447     print_string(arg1, 0);
   3448     print_pointer(arg2, 0);
   3449     print_raw_param("%u", arg3, 1);
   3450     print_syscall_epilogue(name);
   3451 }
   3452 #endif
   3453 
   3454 #ifdef TARGET_NR_rename
   3455 static void
   3456 print_rename(CPUArchState *cpu_env, const struct syscallname *name,
   3457              abi_long arg0, abi_long arg1, abi_long arg2,
   3458              abi_long arg3, abi_long arg4, abi_long arg5)
   3459 {
   3460     print_syscall_prologue(name);
   3461     print_string(arg0, 0);
   3462     print_string(arg1, 1);
   3463     print_syscall_epilogue(name);
   3464 }
   3465 #endif
   3466 
   3467 #ifdef TARGET_NR_renameat
   3468 static void
   3469 print_renameat(CPUArchState *cpu_env, const struct syscallname *name,
   3470                abi_long arg0, abi_long arg1, abi_long arg2,
   3471                abi_long arg3, abi_long arg4, abi_long arg5)
   3472 {
   3473     print_syscall_prologue(name);
   3474     print_at_dirfd(arg0, 0);
   3475     print_string(arg1, 0);
   3476     print_at_dirfd(arg2, 0);
   3477     print_string(arg3, 1);
   3478     print_syscall_epilogue(name);
   3479 }
   3480 #endif
   3481 
   3482 #ifdef TARGET_NR_statfs
   3483 static void
   3484 print_statfs(CPUArchState *cpu_env, const struct syscallname *name,
   3485              abi_long arg0, abi_long arg1, abi_long arg2,
   3486              abi_long arg3, abi_long arg4, abi_long arg5)
   3487 {
   3488     print_syscall_prologue(name);
   3489     print_string(arg0, 0);
   3490     print_pointer(arg1, 1);
   3491     print_syscall_epilogue(name);
   3492 }
   3493 #endif
   3494 
   3495 #ifdef TARGET_NR_statfs64
   3496 static void
   3497 print_statfs64(CPUArchState *cpu_env, const struct syscallname *name,
   3498                abi_long arg0, abi_long arg1, abi_long arg2,
   3499                abi_long arg3, abi_long arg4, abi_long arg5)
   3500 {
   3501     print_syscall_prologue(name);
   3502     print_string(arg0, 0);
   3503     print_pointer(arg1, 1);
   3504     print_syscall_epilogue(name);
   3505 }
   3506 #endif
   3507 
   3508 #ifdef TARGET_NR_symlink
   3509 static void
   3510 print_symlink(CPUArchState *cpu_env, const struct syscallname *name,
   3511               abi_long arg0, abi_long arg1, abi_long arg2,
   3512               abi_long arg3, abi_long arg4, abi_long arg5)
   3513 {
   3514     print_syscall_prologue(name);
   3515     print_string(arg0, 0);
   3516     print_string(arg1, 1);
   3517     print_syscall_epilogue(name);
   3518 }
   3519 #endif
   3520 
   3521 #ifdef TARGET_NR_symlinkat
   3522 static void
   3523 print_symlinkat(CPUArchState *cpu_env, const struct syscallname *name,
   3524                 abi_long arg0, abi_long arg1, abi_long arg2,
   3525                 abi_long arg3, abi_long arg4, abi_long arg5)
   3526 {
   3527     print_syscall_prologue(name);
   3528     print_string(arg0, 0);
   3529     print_at_dirfd(arg1, 0);
   3530     print_string(arg2, 1);
   3531     print_syscall_epilogue(name);
   3532 }
   3533 #endif
   3534 
   3535 #ifdef TARGET_NR_mount
   3536 static void
   3537 print_mount(CPUArchState *cpu_env, const struct syscallname *name,
   3538             abi_long arg0, abi_long arg1, abi_long arg2,
   3539             abi_long arg3, abi_long arg4, abi_long arg5)
   3540 {
   3541     print_syscall_prologue(name);
   3542     print_string(arg0, 0);
   3543     print_string(arg1, 0);
   3544     print_string(arg2, 0);
   3545     print_flags(mount_flags, arg3, 0);
   3546     print_pointer(arg4, 1);
   3547     print_syscall_epilogue(name);
   3548 }
   3549 #endif
   3550 
   3551 #ifdef TARGET_NR_umount
   3552 static void
   3553 print_umount(CPUArchState *cpu_env, const struct syscallname *name,
   3554              abi_long arg0, abi_long arg1, abi_long arg2,
   3555              abi_long arg3, abi_long arg4, abi_long arg5)
   3556 {
   3557     print_syscall_prologue(name);
   3558     print_string(arg0, 1);
   3559     print_syscall_epilogue(name);
   3560 }
   3561 #endif
   3562 
   3563 #ifdef TARGET_NR_umount2
   3564 static void
   3565 print_umount2(CPUArchState *cpu_env, const struct syscallname *name,
   3566               abi_long arg0, abi_long arg1, abi_long arg2,
   3567               abi_long arg3, abi_long arg4, abi_long arg5)
   3568 {
   3569     print_syscall_prologue(name);
   3570     print_string(arg0, 0);
   3571     print_flags(umount2_flags, arg1, 1);
   3572     print_syscall_epilogue(name);
   3573 }
   3574 #endif
   3575 
   3576 #ifdef TARGET_NR_unlink
   3577 static void
   3578 print_unlink(CPUArchState *cpu_env, const struct syscallname *name,
   3579              abi_long arg0, abi_long arg1, abi_long arg2,
   3580              abi_long arg3, abi_long arg4, abi_long arg5)
   3581 {
   3582     print_syscall_prologue(name);
   3583     print_string(arg0, 1);
   3584     print_syscall_epilogue(name);
   3585 }
   3586 #endif
   3587 
   3588 #ifdef TARGET_NR_unlinkat
   3589 static void
   3590 print_unlinkat(CPUArchState *cpu_env, const struct syscallname *name,
   3591                abi_long arg0, abi_long arg1, abi_long arg2,
   3592                abi_long arg3, abi_long arg4, abi_long arg5)
   3593 {
   3594     print_syscall_prologue(name);
   3595     print_at_dirfd(arg0, 0);
   3596     print_string(arg1, 0);
   3597     print_flags(unlinkat_flags, arg2, 1);
   3598     print_syscall_epilogue(name);
   3599 }
   3600 #endif
   3601 
   3602 #ifdef TARGET_NR_unshare
   3603 static void
   3604 print_unshare(CPUArchState *cpu_env, const struct syscallname *name,
   3605               abi_long arg0, abi_long arg1, abi_long arg2,
   3606               abi_long arg3, abi_long arg4, abi_long arg5)
   3607 {
   3608     print_syscall_prologue(name);
   3609     print_flags(clone_flags, arg0, 1);
   3610     print_syscall_epilogue(name);
   3611 }
   3612 #endif
   3613 
   3614 #ifdef TARGET_NR_clock_nanosleep
   3615 static void
   3616 print_clock_nanosleep(CPUArchState *cpu_env, const struct syscallname *name,
   3617                 abi_long arg0, abi_long arg1, abi_long arg2,
   3618                 abi_long arg3, abi_long arg4, abi_long arg5)
   3619 {
   3620     print_syscall_prologue(name);
   3621     print_enums(clockids, arg0, 0);
   3622     print_raw_param("%d", arg1, 0);
   3623     print_timespec(arg2, 0);
   3624     print_timespec(arg3, 1);
   3625     print_syscall_epilogue(name);
   3626 }
   3627 #endif
   3628 
   3629 #ifdef TARGET_NR_utime
   3630 static void
   3631 print_utime(CPUArchState *cpu_env, const struct syscallname *name,
   3632             abi_long arg0, abi_long arg1, abi_long arg2,
   3633             abi_long arg3, abi_long arg4, abi_long arg5)
   3634 {
   3635     print_syscall_prologue(name);
   3636     print_string(arg0, 0);
   3637     print_pointer(arg1, 1);
   3638     print_syscall_epilogue(name);
   3639 }
   3640 #endif
   3641 
   3642 #ifdef TARGET_NR_utimes
   3643 static void
   3644 print_utimes(CPUArchState *cpu_env, const struct syscallname *name,
   3645              abi_long arg0, abi_long arg1, abi_long arg2,
   3646              abi_long arg3, abi_long arg4, abi_long arg5)
   3647 {
   3648     print_syscall_prologue(name);
   3649     print_string(arg0, 0);
   3650     print_pointer(arg1, 1);
   3651     print_syscall_epilogue(name);
   3652 }
   3653 #endif
   3654 
   3655 #ifdef TARGET_NR_utimensat
   3656 static void
   3657 print_utimensat(CPUArchState *cpu_env, const struct syscallname *name,
   3658                 abi_long arg0, abi_long arg1, abi_long arg2,
   3659                 abi_long arg3, abi_long arg4, abi_long arg5)
   3660 {
   3661     print_syscall_prologue(name);
   3662     print_at_dirfd(arg0, 0);
   3663     print_string(arg1, 0);
   3664     print_pointer(arg2, 0);
   3665     print_flags(at_file_flags, arg3, 1);
   3666     print_syscall_epilogue(name);
   3667 }
   3668 #endif
   3669 
   3670 #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2)
   3671 static void
   3672 print_mmap(CPUArchState *cpu_env, const struct syscallname *name,
   3673            abi_long arg0, abi_long arg1, abi_long arg2,
   3674            abi_long arg3, abi_long arg4, abi_long arg5)
   3675 {
   3676     print_syscall_prologue(name);
   3677     print_pointer(arg0, 0);
   3678     print_raw_param("%d", arg1, 0);
   3679     print_flags(mmap_prot_flags, arg2, 0);
   3680     print_flags(mmap_flags, arg3, 0);
   3681     print_raw_param("%d", arg4, 0);
   3682     print_raw_param("%#x", arg5, 1);
   3683     print_syscall_epilogue(name);
   3684 }
   3685 #define print_mmap2     print_mmap
   3686 #endif
   3687 
   3688 #ifdef TARGET_NR_mprotect
   3689 static void
   3690 print_mprotect(CPUArchState *cpu_env, const struct syscallname *name,
   3691                abi_long arg0, abi_long arg1, abi_long arg2,
   3692                abi_long arg3, abi_long arg4, abi_long arg5)
   3693 {
   3694     print_syscall_prologue(name);
   3695     print_pointer(arg0, 0);
   3696     print_raw_param("%d", arg1, 0);
   3697     print_flags(mmap_prot_flags, arg2, 1);
   3698     print_syscall_epilogue(name);
   3699 }
   3700 #endif
   3701 
   3702 #ifdef TARGET_NR_munmap
   3703 static void
   3704 print_munmap(CPUArchState *cpu_env, const struct syscallname *name,
   3705              abi_long arg0, abi_long arg1, abi_long arg2,
   3706              abi_long arg3, abi_long arg4, abi_long arg5)
   3707 {
   3708     print_syscall_prologue(name);
   3709     print_pointer(arg0, 0);
   3710     print_raw_param("%d", arg1, 1);
   3711     print_syscall_epilogue(name);
   3712 }
   3713 #endif
   3714 
   3715 #ifdef TARGET_NR_futex
   3716 static void print_futex_op(int cmd, int last)
   3717 {
   3718     static const char * const futex_names[] = {
   3719 #define NAME(X)  [X] = #X
   3720         NAME(FUTEX_WAIT),
   3721         NAME(FUTEX_WAKE),
   3722         NAME(FUTEX_FD),
   3723         NAME(FUTEX_REQUEUE),
   3724         NAME(FUTEX_CMP_REQUEUE),
   3725         NAME(FUTEX_WAKE_OP),
   3726         NAME(FUTEX_LOCK_PI),
   3727         NAME(FUTEX_UNLOCK_PI),
   3728         NAME(FUTEX_TRYLOCK_PI),
   3729         NAME(FUTEX_WAIT_BITSET),
   3730         NAME(FUTEX_WAKE_BITSET),
   3731         NAME(FUTEX_WAIT_REQUEUE_PI),
   3732         NAME(FUTEX_CMP_REQUEUE_PI),
   3733         NAME(FUTEX_LOCK_PI2),
   3734 #undef NAME
   3735     };
   3736 
   3737     unsigned base_cmd = cmd & FUTEX_CMD_MASK;
   3738 
   3739     if (base_cmd < ARRAY_SIZE(futex_names)) {
   3740         qemu_log("%s%s%s",
   3741                  (cmd & FUTEX_PRIVATE_FLAG ? "FUTEX_PRIVATE_FLAG|" : ""),
   3742                  (cmd & FUTEX_CLOCK_REALTIME ? "FUTEX_CLOCK_REALTIME|" : ""),
   3743                  futex_names[base_cmd]);
   3744     } else {
   3745         qemu_log("0x%x", cmd);
   3746     }
   3747 }
   3748 
   3749 static void
   3750 print_futex(CPUArchState *cpu_env, const struct syscallname *name,
   3751             abi_long arg0, abi_long arg1, abi_long arg2,
   3752             abi_long arg3, abi_long arg4, abi_long arg5)
   3753 {
   3754     abi_long op = arg1 & FUTEX_CMD_MASK;
   3755     print_syscall_prologue(name);
   3756     print_pointer(arg0, 0);
   3757     print_futex_op(arg1, 0);
   3758     print_raw_param(",%d", arg2, 0);
   3759     switch (op) {
   3760         case FUTEX_WAIT:
   3761         case FUTEX_WAIT_BITSET:
   3762         case FUTEX_LOCK_PI:
   3763         case FUTEX_LOCK_PI2:
   3764         case FUTEX_WAIT_REQUEUE_PI:
   3765             print_timespec(arg3, 0);
   3766             break;
   3767         default:
   3768             print_pointer(arg3, 0);
   3769             break;
   3770     }
   3771     print_pointer(arg4, 0);
   3772     print_raw_param("%d", arg4, 1);
   3773     print_syscall_epilogue(name);
   3774 }
   3775 #endif
   3776 
   3777 #ifdef TARGET_NR_kill
   3778 static void
   3779 print_kill(CPUArchState *cpu_env, const struct syscallname *name,
   3780            abi_long arg0, abi_long arg1, abi_long arg2,
   3781            abi_long arg3, abi_long arg4, abi_long arg5)
   3782 {
   3783     print_syscall_prologue(name);
   3784     print_raw_param("%d", arg0, 0);
   3785     print_signal(arg1, 1);
   3786     print_syscall_epilogue(name);
   3787 }
   3788 #endif
   3789 
   3790 #ifdef TARGET_NR_tkill
   3791 static void
   3792 print_tkill(CPUArchState *cpu_env, const struct syscallname *name,
   3793             abi_long arg0, abi_long arg1, abi_long arg2,
   3794             abi_long arg3, abi_long arg4, abi_long arg5)
   3795 {
   3796     print_syscall_prologue(name);
   3797     print_raw_param("%d", arg0, 0);
   3798     print_signal(arg1, 1);
   3799     print_syscall_epilogue(name);
   3800 }
   3801 #endif
   3802 
   3803 #ifdef TARGET_NR_tgkill
   3804 static void
   3805 print_tgkill(CPUArchState *cpu_env, const struct syscallname *name,
   3806              abi_long arg0, abi_long arg1, abi_long arg2,
   3807              abi_long arg3, abi_long arg4, abi_long arg5)
   3808 {
   3809     print_syscall_prologue(name);
   3810     print_raw_param("%d", arg0, 0);
   3811     print_raw_param("%d", arg1, 0);
   3812     print_signal(arg2, 1);
   3813     print_syscall_epilogue(name);
   3814 }
   3815 #endif
   3816 
   3817 #ifdef TARGET_NR_statx
   3818 static void
   3819 print_statx(CPUArchState *cpu_env, const struct syscallname *name,
   3820             abi_long arg0, abi_long arg1, abi_long arg2,
   3821             abi_long arg3, abi_long arg4, abi_long arg5)
   3822 {
   3823     print_syscall_prologue(name);
   3824     print_at_dirfd(arg0, 0);
   3825     print_string(arg1, 0);
   3826     print_flags(statx_flags, arg2, 0);
   3827     print_flags(statx_mask, arg3, 0);
   3828     print_pointer(arg4, 1);
   3829     print_syscall_epilogue(name);
   3830 }
   3831 #endif
   3832 
   3833 #ifdef TARGET_NR_ioctl
   3834 static void
   3835 print_ioctl(CPUArchState *cpu_env, const struct syscallname *name,
   3836             abi_long arg0, abi_long arg1, abi_long arg2,
   3837             abi_long arg3, abi_long arg4, abi_long arg5)
   3838 {
   3839     print_syscall_prologue(name);
   3840     print_raw_param("%d", arg0, 0);
   3841 
   3842     const IOCTLEntry *ie;
   3843     const argtype *arg_type;
   3844     void *argptr;
   3845     int target_size;
   3846 
   3847     for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
   3848         if (ie->target_cmd == arg1) {
   3849             break;
   3850         }
   3851     }
   3852 
   3853     if (ie->target_cmd == 0) {
   3854         print_raw_param("%#x", arg1, 0);
   3855         print_raw_param("%#x", arg2, 1);
   3856     } else {
   3857         qemu_log("%s", ie->name);
   3858         arg_type = ie->arg_type;
   3859 
   3860         if (arg_type[0] != TYPE_NULL) {
   3861             qemu_log(",");
   3862 
   3863             switch (arg_type[0]) {
   3864             case TYPE_PTRVOID:
   3865                 print_pointer(arg2, 1);
   3866                 break;
   3867             case TYPE_CHAR:
   3868             case TYPE_SHORT:
   3869             case TYPE_INT:
   3870                 print_raw_param("%d", arg2, 1);
   3871                 break;
   3872             case TYPE_LONG:
   3873                 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
   3874                 break;
   3875             case TYPE_ULONG:
   3876                 print_raw_param(TARGET_ABI_FMT_lu, arg2, 1);
   3877                 break;
   3878             case TYPE_PTR:
   3879                 switch (ie->access) {
   3880                 case IOC_R:
   3881                     print_pointer(arg2, 1);
   3882                     break;
   3883                 case IOC_W:
   3884                 case IOC_RW:
   3885                     arg_type++;
   3886                     target_size = thunk_type_size(arg_type, 0);
   3887                     argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
   3888                     if (argptr) {
   3889                         thunk_print(argptr, arg_type);
   3890                         unlock_user(argptr, arg2, target_size);
   3891                     } else {
   3892                         print_pointer(arg2, 1);
   3893                     }
   3894                     break;
   3895                 }
   3896                 break;
   3897             default:
   3898                 g_assert_not_reached();
   3899             }
   3900         }
   3901     }
   3902     print_syscall_epilogue(name);
   3903 }
   3904 #endif
   3905 
   3906 /*
   3907  * An array of all of the syscalls we know about
   3908  */
   3909 
   3910 static const struct syscallname scnames[] = {
   3911 #include "strace.list"
   3912 };
   3913 
   3914 static int nsyscalls = ARRAY_SIZE(scnames);
   3915 
   3916 /*
   3917  * The public interface to this module.
   3918  */
   3919 void
   3920 print_syscall(CPUArchState *cpu_env, int num,
   3921               abi_long arg1, abi_long arg2, abi_long arg3,
   3922               abi_long arg4, abi_long arg5, abi_long arg6)
   3923 {
   3924     int i;
   3925     FILE *f;
   3926     const char *format = "%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ","
   3927                                TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ","
   3928                                TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")";
   3929 
   3930     f = qemu_log_trylock();
   3931     if (!f) {
   3932         return;
   3933     }
   3934     fprintf(f, "%d ", getpid());
   3935 
   3936     for (i = 0; i < nsyscalls; i++) {
   3937         if (scnames[i].nr == num) {
   3938             if (scnames[i].call != NULL) {
   3939                 scnames[i].call(cpu_env, &scnames[i], arg1, arg2, arg3,
   3940                                 arg4, arg5, arg6);
   3941             } else {
   3942                 /* XXX: this format system is broken because it uses
   3943                    host types and host pointers for strings */
   3944                 if (scnames[i].format != NULL) {
   3945                     format = scnames[i].format;
   3946                 }
   3947                 fprintf(f, format, scnames[i].name, arg1, arg2,
   3948                         arg3, arg4, arg5, arg6);
   3949             }
   3950             qemu_log_unlock(f);
   3951             return;
   3952         }
   3953     }
   3954     fprintf(f, "Unknown syscall %d\n", num);
   3955     qemu_log_unlock(f);
   3956 }
   3957 
   3958 
   3959 void
   3960 print_syscall_ret(CPUArchState *cpu_env, int num, abi_long ret,
   3961                   abi_long arg1, abi_long arg2, abi_long arg3,
   3962                   abi_long arg4, abi_long arg5, abi_long arg6)
   3963 {
   3964     int i;
   3965     FILE *f;
   3966 
   3967     f = qemu_log_trylock();
   3968     if (!f) {
   3969         return;
   3970     }
   3971 
   3972     for (i = 0; i < nsyscalls; i++) {
   3973         if (scnames[i].nr == num) {
   3974             if (scnames[i].result != NULL) {
   3975                 scnames[i].result(cpu_env, &scnames[i], ret,
   3976                                   arg1, arg2, arg3,
   3977                                   arg4, arg5, arg6);
   3978             } else {
   3979                 if (!print_syscall_err(ret)) {
   3980                     fprintf(f, TARGET_ABI_FMT_ld, ret);
   3981                 }
   3982                 fprintf(f, "\n");
   3983             }
   3984             break;
   3985         }
   3986     }
   3987     qemu_log_unlock(f);
   3988 }
   3989 
   3990 void print_taken_signal(int target_signum, const target_siginfo_t *tinfo)
   3991 {
   3992     /* Print the strace output for a signal being taken:
   3993      * --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=0} ---
   3994      */
   3995     FILE *f;
   3996 
   3997     f = qemu_log_trylock();
   3998     if (!f) {
   3999         return;
   4000     }
   4001 
   4002     fprintf(f, "--- ");
   4003     print_signal(target_signum, 1);
   4004     fprintf(f, " ");
   4005     print_siginfo(tinfo);
   4006     fprintf(f, " ---\n");
   4007     qemu_log_unlock(f);
   4008 }