xref: /openbmc/qemu/linux-user/strace.c (revision 744c72a8)
1 #include "qemu/osdep.h"
2 #include <sys/ipc.h>
3 #include <sys/msg.h>
4 #include <sys/sem.h>
5 #include <sys/shm.h>
6 #include <sys/select.h>
7 #include <sys/mount.h>
8 #include <arpa/inet.h>
9 #include <netinet/in.h>
10 #include <netinet/tcp.h>
11 #include <netinet/udp.h>
12 #include <linux/if_packet.h>
13 #include <linux/in6.h>
14 #include <linux/netlink.h>
15 #include <sched.h>
16 #include "qemu.h"
17 
18 struct syscallname {
19     int nr;
20     const char *name;
21     const char *format;
22     void (*call)(void *, const struct syscallname *,
23                  abi_long, abi_long, abi_long,
24                  abi_long, abi_long, abi_long);
25     void (*result)(void *, const struct syscallname *, abi_long,
26                    abi_long, abi_long, abi_long,
27                    abi_long, abi_long, abi_long);
28 };
29 
30 /*
31  * It is possible that target doesn't have syscall that uses
32  * following flags but we don't want the compiler to warn
33  * us about them being unused.  Same applies to utility print
34  * functions.  It is ok to keep them while not used.
35  */
36 #define UNUSED __attribute__ ((unused))
37 
38 /*
39  * Structure used to translate flag values into strings.  This is
40  * similar that is in the actual strace tool.
41  */
42 struct flags {
43     abi_long    f_value;  /* flag */
44     const char  *f_string; /* stringified flag */
45 };
46 
47 /* common flags for all architectures */
48 #define FLAG_GENERIC(name) { name, #name }
49 /* target specific flags (syscall_defs.h has TARGET_<flag>) */
50 #define FLAG_TARGET(name)  { TARGET_ ## name, #name }
51 /* end of flags array */
52 #define FLAG_END           { 0, NULL }
53 
54 /* Structure used to translate enumerated values into strings */
55 struct enums {
56     abi_long    e_value;   /* enum value */
57     const char  *e_string; /* stringified enum */
58 };
59 
60 /* common enums for all architectures */
61 #define ENUM_GENERIC(name) { name, #name }
62 /* target specific enums */
63 #define ENUM_TARGET(name)  { TARGET_ ## name, #name }
64 /* end of enums array */
65 #define ENUM_END           { 0, NULL }
66 
67 UNUSED static const char *get_comma(int);
68 UNUSED static void print_pointer(abi_long, int);
69 UNUSED static void print_flags(const struct flags *, abi_long, int);
70 UNUSED static void print_enums(const struct enums *, abi_long, int);
71 UNUSED static void print_at_dirfd(abi_long, int);
72 UNUSED static void print_file_mode(abi_long, int);
73 UNUSED static void print_open_flags(abi_long, int);
74 UNUSED static void print_syscall_prologue(const struct syscallname *);
75 UNUSED static void print_syscall_epilogue(const struct syscallname *);
76 UNUSED static void print_string(abi_long, int);
77 UNUSED static void print_buf(abi_long addr, abi_long len, int last);
78 UNUSED static void print_raw_param(const char *, abi_long, int);
79 UNUSED static void print_timeval(abi_ulong, int);
80 UNUSED static void print_timespec(abi_ulong, int);
81 UNUSED static void print_timezone(abi_ulong, int);
82 UNUSED static void print_itimerval(abi_ulong, int);
83 UNUSED static void print_number(abi_long, int);
84 UNUSED static void print_signal(abi_ulong, int);
85 UNUSED static void print_sockaddr(abi_ulong, abi_long, int);
86 UNUSED static void print_socket_domain(int domain);
87 UNUSED static void print_socket_type(int type);
88 UNUSED static void print_socket_protocol(int domain, int type, int protocol);
89 
90 /*
91  * Utility functions
92  */
93 static void
94 print_ipc_cmd(int cmd)
95 {
96 #define output_cmd(val) \
97 if( cmd == val ) { \
98     qemu_log(#val); \
99     return; \
100 }
101 
102     cmd &= 0xff;
103 
104     /* General IPC commands */
105     output_cmd( IPC_RMID );
106     output_cmd( IPC_SET );
107     output_cmd( IPC_STAT );
108     output_cmd( IPC_INFO );
109     /* msgctl() commands */
110     output_cmd( MSG_STAT );
111     output_cmd( MSG_INFO );
112     /* shmctl() commands */
113     output_cmd( SHM_LOCK );
114     output_cmd( SHM_UNLOCK );
115     output_cmd( SHM_STAT );
116     output_cmd( SHM_INFO );
117     /* semctl() commands */
118     output_cmd( GETPID );
119     output_cmd( GETVAL );
120     output_cmd( GETALL );
121     output_cmd( GETNCNT );
122     output_cmd( GETZCNT );
123     output_cmd( SETVAL );
124     output_cmd( SETALL );
125     output_cmd( SEM_STAT );
126     output_cmd( SEM_INFO );
127     output_cmd( IPC_RMID );
128     output_cmd( IPC_RMID );
129     output_cmd( IPC_RMID );
130     output_cmd( IPC_RMID );
131     output_cmd( IPC_RMID );
132     output_cmd( IPC_RMID );
133     output_cmd( IPC_RMID );
134     output_cmd( IPC_RMID );
135     output_cmd( IPC_RMID );
136 
137     /* Some value we don't recognize */
138     qemu_log("%d", cmd);
139 }
140 
141 static void
142 print_signal(abi_ulong arg, int last)
143 {
144     const char *signal_name = NULL;
145     switch(arg) {
146     case TARGET_SIGHUP: signal_name = "SIGHUP"; break;
147     case TARGET_SIGINT: signal_name = "SIGINT"; break;
148     case TARGET_SIGQUIT: signal_name = "SIGQUIT"; break;
149     case TARGET_SIGILL: signal_name = "SIGILL"; break;
150     case TARGET_SIGABRT: signal_name = "SIGABRT"; break;
151     case TARGET_SIGFPE: signal_name = "SIGFPE"; break;
152     case TARGET_SIGKILL: signal_name = "SIGKILL"; break;
153     case TARGET_SIGSEGV: signal_name = "SIGSEGV"; break;
154     case TARGET_SIGPIPE: signal_name = "SIGPIPE"; break;
155     case TARGET_SIGALRM: signal_name = "SIGALRM"; break;
156     case TARGET_SIGTERM: signal_name = "SIGTERM"; break;
157     case TARGET_SIGUSR1: signal_name = "SIGUSR1"; break;
158     case TARGET_SIGUSR2: signal_name = "SIGUSR2"; break;
159     case TARGET_SIGCHLD: signal_name = "SIGCHLD"; break;
160     case TARGET_SIGCONT: signal_name = "SIGCONT"; break;
161     case TARGET_SIGSTOP: signal_name = "SIGSTOP"; break;
162     case TARGET_SIGTTIN: signal_name = "SIGTTIN"; break;
163     case TARGET_SIGTTOU: signal_name = "SIGTTOU"; break;
164     }
165     if (signal_name == NULL) {
166         print_raw_param("%ld", arg, last);
167         return;
168     }
169     qemu_log("%s%s", signal_name, get_comma(last));
170 }
171 
172 static void print_si_code(int arg)
173 {
174     const char *codename = NULL;
175 
176     switch (arg) {
177     case SI_USER:
178         codename = "SI_USER";
179         break;
180     case SI_KERNEL:
181         codename = "SI_KERNEL";
182         break;
183     case SI_QUEUE:
184         codename = "SI_QUEUE";
185         break;
186     case SI_TIMER:
187         codename = "SI_TIMER";
188         break;
189     case SI_MESGQ:
190         codename = "SI_MESGQ";
191         break;
192     case SI_ASYNCIO:
193         codename = "SI_ASYNCIO";
194         break;
195     case SI_SIGIO:
196         codename = "SI_SIGIO";
197         break;
198     case SI_TKILL:
199         codename = "SI_TKILL";
200         break;
201     default:
202         qemu_log("%d", arg);
203         return;
204     }
205     qemu_log("%s", codename);
206 }
207 
208 static void get_target_siginfo(target_siginfo_t *tinfo,
209                                 const target_siginfo_t *info)
210 {
211     abi_ulong sival_ptr;
212 
213     int sig;
214     int si_errno;
215     int si_code;
216     int si_type;
217 
218     __get_user(sig, &info->si_signo);
219     __get_user(si_errno, &tinfo->si_errno);
220     __get_user(si_code, &info->si_code);
221 
222     tinfo->si_signo = sig;
223     tinfo->si_errno = si_errno;
224     tinfo->si_code = si_code;
225 
226     /* Ensure we don't leak random junk to the guest later */
227     memset(tinfo->_sifields._pad, 0, sizeof(tinfo->_sifields._pad));
228 
229     /* This is awkward, because we have to use a combination of
230      * the si_code and si_signo to figure out which of the union's
231      * members are valid. (Within the host kernel it is always possible
232      * to tell, but the kernel carefully avoids giving userspace the
233      * high 16 bits of si_code, so we don't have the information to
234      * do this the easy way...) We therefore make our best guess,
235      * bearing in mind that a guest can spoof most of the si_codes
236      * via rt_sigqueueinfo() if it likes.
237      *
238      * Once we have made our guess, we record it in the top 16 bits of
239      * the si_code, so that print_siginfo() later can use it.
240      * print_siginfo() will strip these top bits out before printing
241      * the si_code.
242      */
243 
244     switch (si_code) {
245     case SI_USER:
246     case SI_TKILL:
247     case SI_KERNEL:
248         /* Sent via kill(), tkill() or tgkill(), or direct from the kernel.
249          * These are the only unspoofable si_code values.
250          */
251         __get_user(tinfo->_sifields._kill._pid, &info->_sifields._kill._pid);
252         __get_user(tinfo->_sifields._kill._uid, &info->_sifields._kill._uid);
253         si_type = QEMU_SI_KILL;
254         break;
255     default:
256         /* Everything else is spoofable. Make best guess based on signal */
257         switch (sig) {
258         case TARGET_SIGCHLD:
259             __get_user(tinfo->_sifields._sigchld._pid,
260                        &info->_sifields._sigchld._pid);
261             __get_user(tinfo->_sifields._sigchld._uid,
262                        &info->_sifields._sigchld._uid);
263             __get_user(tinfo->_sifields._sigchld._status,
264                        &info->_sifields._sigchld._status);
265             __get_user(tinfo->_sifields._sigchld._utime,
266                        &info->_sifields._sigchld._utime);
267             __get_user(tinfo->_sifields._sigchld._stime,
268                        &info->_sifields._sigchld._stime);
269             si_type = QEMU_SI_CHLD;
270             break;
271         case TARGET_SIGIO:
272             __get_user(tinfo->_sifields._sigpoll._band,
273                        &info->_sifields._sigpoll._band);
274             __get_user(tinfo->_sifields._sigpoll._fd,
275                        &info->_sifields._sigpoll._fd);
276             si_type = QEMU_SI_POLL;
277             break;
278         default:
279             /* Assume a sigqueue()/mq_notify()/rt_sigqueueinfo() source. */
280             __get_user(tinfo->_sifields._rt._pid, &info->_sifields._rt._pid);
281             __get_user(tinfo->_sifields._rt._uid, &info->_sifields._rt._uid);
282             /* XXX: potential problem if 64 bit */
283             __get_user(sival_ptr, &info->_sifields._rt._sigval.sival_ptr);
284             tinfo->_sifields._rt._sigval.sival_ptr = sival_ptr;
285 
286             si_type = QEMU_SI_RT;
287             break;
288         }
289         break;
290     }
291 
292     tinfo->si_code = deposit32(si_code, 16, 16, si_type);
293 }
294 
295 static void print_siginfo(const target_siginfo_t *tinfo)
296 {
297     /* Print a target_siginfo_t in the format desired for printing
298      * signals being taken. We assume the target_siginfo_t is in the
299      * internal form where the top 16 bits of si_code indicate which
300      * part of the union is valid, rather than in the guest-visible
301      * form where the bottom 16 bits are sign-extended into the top 16.
302      */
303     int si_type = extract32(tinfo->si_code, 16, 16);
304     int si_code = sextract32(tinfo->si_code, 0, 16);
305 
306     qemu_log("{si_signo=");
307     print_signal(tinfo->si_signo, 1);
308     qemu_log(", si_code=");
309     print_si_code(si_code);
310 
311     switch (si_type) {
312     case QEMU_SI_KILL:
313         qemu_log(", si_pid=%u, si_uid=%u",
314                  (unsigned int)tinfo->_sifields._kill._pid,
315                  (unsigned int)tinfo->_sifields._kill._uid);
316         break;
317     case QEMU_SI_TIMER:
318         qemu_log(", si_timer1=%u, si_timer2=%u",
319                  tinfo->_sifields._timer._timer1,
320                  tinfo->_sifields._timer._timer2);
321         break;
322     case QEMU_SI_POLL:
323         qemu_log(", si_band=%d, si_fd=%d",
324                  tinfo->_sifields._sigpoll._band,
325                  tinfo->_sifields._sigpoll._fd);
326         break;
327     case QEMU_SI_FAULT:
328         qemu_log(", si_addr=");
329         print_pointer(tinfo->_sifields._sigfault._addr, 1);
330         break;
331     case QEMU_SI_CHLD:
332         qemu_log(", si_pid=%u, si_uid=%u, si_status=%d"
333                  ", si_utime=" TARGET_ABI_FMT_ld
334                  ", si_stime=" TARGET_ABI_FMT_ld,
335                  (unsigned int)(tinfo->_sifields._sigchld._pid),
336                  (unsigned int)(tinfo->_sifields._sigchld._uid),
337                  tinfo->_sifields._sigchld._status,
338                  tinfo->_sifields._sigchld._utime,
339                  tinfo->_sifields._sigchld._stime);
340         break;
341     case QEMU_SI_RT:
342         qemu_log(", si_pid=%u, si_uid=%u, si_sigval=" TARGET_ABI_FMT_ld,
343                  (unsigned int)tinfo->_sifields._rt._pid,
344                  (unsigned int)tinfo->_sifields._rt._uid,
345                  tinfo->_sifields._rt._sigval.sival_ptr);
346         break;
347     default:
348         g_assert_not_reached();
349     }
350     qemu_log("}");
351 }
352 
353 static void
354 print_sockaddr(abi_ulong addr, abi_long addrlen, int last)
355 {
356     struct target_sockaddr *sa;
357     int i;
358     int sa_family;
359 
360     sa = lock_user(VERIFY_READ, addr, addrlen, 1);
361     if (sa) {
362         sa_family = tswap16(sa->sa_family);
363         switch (sa_family) {
364         case AF_UNIX: {
365             struct target_sockaddr_un *un = (struct target_sockaddr_un *)sa;
366             int i;
367             qemu_log("{sun_family=AF_UNIX,sun_path=\"");
368             for (i = 0; i < addrlen -
369                             offsetof(struct target_sockaddr_un, sun_path) &&
370                  un->sun_path[i]; i++) {
371                 qemu_log("%c", un->sun_path[i]);
372             }
373             qemu_log("\"}");
374             break;
375         }
376         case AF_INET: {
377             struct target_sockaddr_in *in = (struct target_sockaddr_in *)sa;
378             uint8_t *c = (uint8_t *)&in->sin_addr.s_addr;
379             qemu_log("{sin_family=AF_INET,sin_port=htons(%d),",
380                      ntohs(in->sin_port));
381             qemu_log("sin_addr=inet_addr(\"%d.%d.%d.%d\")",
382                      c[0], c[1], c[2], c[3]);
383             qemu_log("}");
384             break;
385         }
386         case AF_PACKET: {
387             struct target_sockaddr_ll *ll = (struct target_sockaddr_ll *)sa;
388             uint8_t *c = (uint8_t *)&ll->sll_addr;
389             qemu_log("{sll_family=AF_PACKET,"
390                      "sll_protocol=htons(0x%04x),if%d,pkttype=",
391                      ntohs(ll->sll_protocol), ll->sll_ifindex);
392             switch (ll->sll_pkttype) {
393             case PACKET_HOST:
394                 qemu_log("PACKET_HOST");
395                 break;
396             case PACKET_BROADCAST:
397                 qemu_log("PACKET_BROADCAST");
398                 break;
399             case PACKET_MULTICAST:
400                 qemu_log("PACKET_MULTICAST");
401                 break;
402             case PACKET_OTHERHOST:
403                 qemu_log("PACKET_OTHERHOST");
404                 break;
405             case PACKET_OUTGOING:
406                 qemu_log("PACKET_OUTGOING");
407                 break;
408             default:
409                 qemu_log("%d", ll->sll_pkttype);
410                 break;
411             }
412             qemu_log(",sll_addr=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
413                      c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
414             qemu_log("}");
415             break;
416         }
417         case AF_NETLINK: {
418             struct target_sockaddr_nl *nl = (struct target_sockaddr_nl *)sa;
419             qemu_log("{nl_family=AF_NETLINK,nl_pid=%u,nl_groups=%u}",
420                      tswap32(nl->nl_pid), tswap32(nl->nl_groups));
421             break;
422         }
423         default:
424             qemu_log("{sa_family=%d, sa_data={", sa->sa_family);
425             for (i = 0; i < 13; i++) {
426                 qemu_log("%02x, ", sa->sa_data[i]);
427             }
428             qemu_log("%02x}", sa->sa_data[i]);
429             qemu_log("}");
430             break;
431         }
432         unlock_user(sa, addr, 0);
433     } else {
434         print_raw_param("0x"TARGET_ABI_FMT_lx, addr, 0);
435     }
436     qemu_log(", "TARGET_ABI_FMT_ld"%s", addrlen, get_comma(last));
437 }
438 
439 static void
440 print_socket_domain(int domain)
441 {
442     switch (domain) {
443     case PF_UNIX:
444         qemu_log("PF_UNIX");
445         break;
446     case PF_INET:
447         qemu_log("PF_INET");
448         break;
449     case PF_NETLINK:
450         qemu_log("PF_NETLINK");
451         break;
452     case PF_PACKET:
453         qemu_log("PF_PACKET");
454         break;
455     default:
456         qemu_log("%d", domain);
457         break;
458     }
459 }
460 
461 static void
462 print_socket_type(int type)
463 {
464     switch (type & TARGET_SOCK_TYPE_MASK) {
465     case TARGET_SOCK_DGRAM:
466         qemu_log("SOCK_DGRAM");
467         break;
468     case TARGET_SOCK_STREAM:
469         qemu_log("SOCK_STREAM");
470         break;
471     case TARGET_SOCK_RAW:
472         qemu_log("SOCK_RAW");
473         break;
474     case TARGET_SOCK_RDM:
475         qemu_log("SOCK_RDM");
476         break;
477     case TARGET_SOCK_SEQPACKET:
478         qemu_log("SOCK_SEQPACKET");
479         break;
480     case TARGET_SOCK_PACKET:
481         qemu_log("SOCK_PACKET");
482         break;
483     }
484     if (type & TARGET_SOCK_CLOEXEC) {
485         qemu_log("|SOCK_CLOEXEC");
486     }
487     if (type & TARGET_SOCK_NONBLOCK) {
488         qemu_log("|SOCK_NONBLOCK");
489     }
490 }
491 
492 static void
493 print_socket_protocol(int domain, int type, int protocol)
494 {
495     if (domain == AF_PACKET ||
496         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
497         switch (protocol) {
498         case 0x0003:
499             qemu_log("ETH_P_ALL");
500             break;
501         default:
502             qemu_log("%d", protocol);
503         }
504         return;
505     }
506 
507     if (domain == PF_NETLINK) {
508         switch (protocol) {
509         case NETLINK_ROUTE:
510             qemu_log("NETLINK_ROUTE");
511             break;
512         case NETLINK_AUDIT:
513             qemu_log("NETLINK_AUDIT");
514             break;
515         case NETLINK_NETFILTER:
516             qemu_log("NETLINK_NETFILTER");
517             break;
518         case NETLINK_KOBJECT_UEVENT:
519             qemu_log("NETLINK_KOBJECT_UEVENT");
520             break;
521         case NETLINK_RDMA:
522             qemu_log("NETLINK_RDMA");
523             break;
524         case NETLINK_CRYPTO:
525             qemu_log("NETLINK_CRYPTO");
526             break;
527         default:
528             qemu_log("%d", protocol);
529             break;
530         }
531         return;
532     }
533 
534     switch (protocol) {
535     case IPPROTO_IP:
536         qemu_log("IPPROTO_IP");
537         break;
538     case IPPROTO_TCP:
539         qemu_log("IPPROTO_TCP");
540         break;
541     case IPPROTO_UDP:
542         qemu_log("IPPROTO_UDP");
543         break;
544     case IPPROTO_RAW:
545         qemu_log("IPPROTO_RAW");
546         break;
547     default:
548         qemu_log("%d", protocol);
549         break;
550     }
551 }
552 
553 
554 #ifdef TARGET_NR__newselect
555 static void
556 print_fdset(int n, abi_ulong target_fds_addr)
557 {
558     int i;
559     int first = 1;
560 
561     qemu_log("[");
562     if( target_fds_addr ) {
563         abi_long *target_fds;
564 
565         target_fds = lock_user(VERIFY_READ,
566                                target_fds_addr,
567                                sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
568                                1);
569 
570         if (!target_fds)
571             return;
572 
573         for (i=n; i>=0; i--) {
574             if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >>
575                 (i & (TARGET_ABI_BITS - 1))) & 1) {
576                 qemu_log("%s%d", get_comma(first), i);
577                 first = 0;
578             }
579         }
580         unlock_user(target_fds, target_fds_addr, 0);
581     }
582     qemu_log("]");
583 }
584 #endif
585 
586 /*
587  * Sysycall specific output functions
588  */
589 
590 /* select */
591 #ifdef TARGET_NR__newselect
592 static void
593 print_newselect(void *cpu_env, const struct syscallname *name,
594                 abi_long arg1, abi_long arg2, abi_long arg3,
595                 abi_long arg4, abi_long arg5, abi_long arg6)
596 {
597     print_syscall_prologue(name);
598     print_fdset(arg1, arg2);
599     qemu_log(",");
600     print_fdset(arg1, arg3);
601     qemu_log(",");
602     print_fdset(arg1, arg4);
603     qemu_log(",");
604     print_timeval(arg5, 1);
605     print_syscall_epilogue(name);
606 }
607 #endif
608 
609 #ifdef TARGET_NR_semctl
610 static void
611 print_semctl(void *cpu_env, const struct syscallname *name,
612              abi_long arg1, abi_long arg2, abi_long arg3,
613              abi_long arg4, abi_long arg5, abi_long arg6)
614 {
615     qemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",",
616              name->name, arg1, arg2);
617     print_ipc_cmd(arg3);
618     qemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
619 }
620 #endif
621 
622 static void
623 print_execve(void *cpu_env, const struct syscallname *name,
624              abi_long arg1, abi_long arg2, abi_long arg3,
625              abi_long arg4, abi_long arg5, abi_long arg6)
626 {
627     abi_ulong arg_ptr_addr;
628     char *s;
629 
630     if (!(s = lock_user_string(arg1)))
631         return;
632     qemu_log("%s(\"%s\",{", name->name, s);
633     unlock_user(s, arg1, 0);
634 
635     for (arg_ptr_addr = arg2; ; arg_ptr_addr += sizeof(abi_ulong)) {
636         abi_ulong *arg_ptr, arg_addr;
637 
638         arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
639         if (!arg_ptr)
640             return;
641     arg_addr = tswapal(*arg_ptr);
642         unlock_user(arg_ptr, arg_ptr_addr, 0);
643         if (!arg_addr)
644             break;
645         if ((s = lock_user_string(arg_addr))) {
646             qemu_log("\"%s\",", s);
647             unlock_user(s, arg_addr, 0);
648         }
649     }
650 
651     qemu_log("NULL})");
652 }
653 
654 #ifdef TARGET_NR_ipc
655 static void
656 print_ipc(void *cpu_env, const struct syscallname *name,
657           abi_long arg1, abi_long arg2, abi_long arg3,
658           abi_long arg4, abi_long arg5, abi_long arg6)
659 {
660     switch(arg1) {
661     case IPCOP_semctl:
662         qemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",",
663                  arg1, arg2);
664         print_ipc_cmd(arg3);
665         qemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
666         break;
667     default:
668         qemu_log(("%s("
669                   TARGET_ABI_FMT_ld ","
670                   TARGET_ABI_FMT_ld ","
671                   TARGET_ABI_FMT_ld ","
672                   TARGET_ABI_FMT_ld
673                   ")"),
674                  name->name, arg1, arg2, arg3, arg4);
675     }
676 }
677 #endif
678 
679 /*
680  * Variants for the return value output function
681  */
682 
683 static bool
684 print_syscall_err(abi_long ret)
685 {
686     const char *errstr;
687 
688     qemu_log(" = ");
689     if (ret < 0) {
690         errstr = target_strerror(-ret);
691         if (errstr) {
692             qemu_log("-1 errno=%d (%s)", (int)-ret, errstr);
693             return true;
694         }
695     }
696     return false;
697 }
698 
699 static void
700 print_syscall_ret_addr(void *cpu_env, const struct syscallname *name,
701                        abi_long ret, abi_long arg0, abi_long arg1,
702                        abi_long arg2, abi_long arg3, abi_long arg4,
703                        abi_long arg5)
704 {
705     if (!print_syscall_err(ret)) {
706         qemu_log("0x" TARGET_ABI_FMT_lx, ret);
707     }
708     qemu_log("\n");
709 }
710 
711 #if 0 /* currently unused */
712 static void
713 print_syscall_ret_raw(struct syscallname *name, abi_long ret)
714 {
715         qemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
716 }
717 #endif
718 
719 #ifdef TARGET_NR__newselect
720 static void
721 print_syscall_ret_newselect(void *cpu_env, const struct syscallname *name,
722                             abi_long ret, abi_long arg0, abi_long arg1,
723                             abi_long arg2, abi_long arg3, abi_long arg4,
724                             abi_long arg5)
725 {
726     if (!print_syscall_err(ret)) {
727         qemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
728         print_fdset(arg0, arg1);
729         qemu_log(",");
730         print_fdset(arg0, arg2);
731         qemu_log(",");
732         print_fdset(arg0, arg3);
733         qemu_log(",");
734         print_timeval(arg4, 1);
735         qemu_log(")");
736     }
737 
738     qemu_log("\n");
739 }
740 #endif
741 
742 /* special meanings of adjtimex()' non-negative return values */
743 #define TARGET_TIME_OK       0   /* clock synchronized, no leap second */
744 #define TARGET_TIME_INS      1   /* insert leap second */
745 #define TARGET_TIME_DEL      2   /* delete leap second */
746 #define TARGET_TIME_OOP      3   /* leap second in progress */
747 #define TARGET_TIME_WAIT     4   /* leap second has occurred */
748 #define TARGET_TIME_ERROR    5   /* clock not synchronized */
749 #ifdef TARGET_NR_adjtimex
750 static void
751 print_syscall_ret_adjtimex(void *cpu_env, const struct syscallname *name,
752                            abi_long ret, abi_long arg0, abi_long arg1,
753                            abi_long arg2, abi_long arg3, abi_long arg4,
754                            abi_long arg5)
755 {
756     if (!print_syscall_err(ret)) {
757         qemu_log(TARGET_ABI_FMT_ld, ret);
758         switch (ret) {
759         case TARGET_TIME_OK:
760             qemu_log(" TIME_OK (clock synchronized, no leap second)");
761             break;
762         case TARGET_TIME_INS:
763             qemu_log(" TIME_INS (insert leap second)");
764             break;
765         case TARGET_TIME_DEL:
766             qemu_log(" TIME_DEL (delete leap second)");
767             break;
768         case TARGET_TIME_OOP:
769             qemu_log(" TIME_OOP (leap second in progress)");
770             break;
771         case TARGET_TIME_WAIT:
772             qemu_log(" TIME_WAIT (leap second has occurred)");
773             break;
774         case TARGET_TIME_ERROR:
775             qemu_log(" TIME_ERROR (clock not synchronized)");
776             break;
777         }
778     }
779 
780     qemu_log("\n");
781 }
782 #endif
783 
784 #if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
785 static void
786 print_syscall_ret_clock_gettime(void *cpu_env, const struct syscallname *name,
787                                 abi_long ret, abi_long arg0, abi_long arg1,
788                                 abi_long arg2, abi_long arg3, abi_long arg4,
789                                 abi_long arg5)
790 {
791     if (!print_syscall_err(ret)) {
792         qemu_log(TARGET_ABI_FMT_ld, ret);
793         qemu_log(" (");
794         print_timespec(arg1, 1);
795         qemu_log(")");
796     }
797 
798     qemu_log("\n");
799 }
800 #define print_syscall_ret_clock_getres     print_syscall_ret_clock_gettime
801 #endif
802 
803 #ifdef TARGET_NR_gettimeofday
804 static void
805 print_syscall_ret_gettimeofday(void *cpu_env, const struct syscallname *name,
806                                abi_long ret, abi_long arg0, abi_long arg1,
807                                abi_long arg2, abi_long arg3, abi_long arg4,
808                                abi_long arg5)
809 {
810     if (!print_syscall_err(ret)) {
811         qemu_log(TARGET_ABI_FMT_ld, ret);
812         qemu_log(" (");
813         print_timeval(arg0, 0);
814         print_timezone(arg1, 1);
815         qemu_log(")");
816     }
817 
818     qemu_log("\n");
819 }
820 #endif
821 
822 #ifdef TARGET_NR_getitimer
823 static void
824 print_syscall_ret_getitimer(void *cpu_env, const struct syscallname *name,
825                             abi_long ret, abi_long arg0, abi_long arg1,
826                             abi_long arg2, abi_long arg3, abi_long arg4,
827                             abi_long arg5)
828 {
829     if (!print_syscall_err(ret)) {
830         qemu_log(TARGET_ABI_FMT_ld, ret);
831         qemu_log(" (");
832         print_itimerval(arg1, 1);
833         qemu_log(")");
834     }
835 
836     qemu_log("\n");
837 }
838 #endif
839 
840 
841 #ifdef TARGET_NR_getitimer
842 static void
843 print_syscall_ret_setitimer(void *cpu_env, const struct syscallname *name,
844                             abi_long ret, abi_long arg0, abi_long arg1,
845                             abi_long arg2, abi_long arg3, abi_long arg4,
846                             abi_long arg5)
847 {
848     if (!print_syscall_err(ret)) {
849         qemu_log(TARGET_ABI_FMT_ld, ret);
850         qemu_log(" (old_value = ");
851         print_itimerval(arg2, 1);
852         qemu_log(")");
853     }
854 
855     qemu_log("\n");
856 }
857 #endif
858 
859 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr) \
860  || defined(TARGGET_NR_flistxattr)
861 static void
862 print_syscall_ret_listxattr(void *cpu_env, const struct syscallname *name,
863                             abi_long ret, abi_long arg0, abi_long arg1,
864                             abi_long arg2, abi_long arg3, abi_long arg4,
865                             abi_long arg5)
866 {
867     if (!print_syscall_err(ret)) {
868         qemu_log(TARGET_ABI_FMT_ld, ret);
869         qemu_log(" (list = ");
870         if (arg1 != 0) {
871             abi_long attr = arg1;
872             while (ret) {
873                 if (attr != arg1) {
874                     qemu_log(",");
875                 }
876                 print_string(attr, 1);
877                 ret -= target_strlen(attr) + 1;
878                 attr += target_strlen(attr) + 1;
879             }
880         } else {
881             qemu_log("NULL");
882         }
883         qemu_log(")");
884     }
885 
886     qemu_log("\n");
887 }
888 #define print_syscall_ret_llistxattr     print_syscall_ret_listxattr
889 #define print_syscall_ret_flistxattr     print_syscall_ret_listxattr
890 #endif
891 
892 #ifdef TARGET_NR_ioctl
893 static void
894 print_syscall_ret_ioctl(void *cpu_env, const struct syscallname *name,
895                         abi_long ret, abi_long arg0, abi_long arg1,
896                         abi_long arg2, abi_long arg3, abi_long arg4,
897                         abi_long arg5)
898 {
899     if (!print_syscall_err(ret)) {
900         qemu_log(TARGET_ABI_FMT_ld, ret);
901 
902         const IOCTLEntry *ie;
903         const argtype *arg_type;
904         void *argptr;
905         int target_size;
906 
907         for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
908             if (ie->target_cmd == arg1) {
909                 break;
910             }
911         }
912 
913         if (ie->target_cmd == arg1 &&
914            (ie->access == IOC_R || ie->access == IOC_RW)) {
915             arg_type = ie->arg_type;
916             qemu_log(" (");
917             arg_type++;
918             target_size = thunk_type_size(arg_type, 0);
919             argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
920             if (argptr) {
921                 thunk_print(argptr, arg_type);
922                 unlock_user(argptr, arg2, target_size);
923             } else {
924                 print_pointer(arg2, 1);
925             }
926             qemu_log(")");
927         }
928     }
929     qemu_log("\n");
930 }
931 #endif
932 
933 UNUSED static struct flags access_flags[] = {
934     FLAG_GENERIC(F_OK),
935     FLAG_GENERIC(R_OK),
936     FLAG_GENERIC(W_OK),
937     FLAG_GENERIC(X_OK),
938     FLAG_END,
939 };
940 
941 UNUSED static struct flags at_file_flags[] = {
942 #ifdef AT_EACCESS
943     FLAG_GENERIC(AT_EACCESS),
944 #endif
945 #ifdef AT_SYMLINK_NOFOLLOW
946     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
947 #endif
948     FLAG_END,
949 };
950 
951 UNUSED static struct flags unlinkat_flags[] = {
952 #ifdef AT_REMOVEDIR
953     FLAG_GENERIC(AT_REMOVEDIR),
954 #endif
955     FLAG_END,
956 };
957 
958 UNUSED static struct flags mode_flags[] = {
959     FLAG_GENERIC(S_IFSOCK),
960     FLAG_GENERIC(S_IFLNK),
961     FLAG_GENERIC(S_IFREG),
962     FLAG_GENERIC(S_IFBLK),
963     FLAG_GENERIC(S_IFDIR),
964     FLAG_GENERIC(S_IFCHR),
965     FLAG_GENERIC(S_IFIFO),
966     FLAG_END,
967 };
968 
969 UNUSED static struct flags open_access_flags[] = {
970     FLAG_TARGET(O_RDONLY),
971     FLAG_TARGET(O_WRONLY),
972     FLAG_TARGET(O_RDWR),
973     FLAG_END,
974 };
975 
976 UNUSED static struct flags open_flags[] = {
977     FLAG_TARGET(O_APPEND),
978     FLAG_TARGET(O_CREAT),
979     FLAG_TARGET(O_DIRECTORY),
980     FLAG_TARGET(O_EXCL),
981     FLAG_TARGET(O_LARGEFILE),
982     FLAG_TARGET(O_NOCTTY),
983     FLAG_TARGET(O_NOFOLLOW),
984     FLAG_TARGET(O_NONBLOCK),      /* also O_NDELAY */
985     FLAG_TARGET(O_DSYNC),
986     FLAG_TARGET(__O_SYNC),
987     FLAG_TARGET(O_TRUNC),
988 #ifdef O_DIRECT
989     FLAG_TARGET(O_DIRECT),
990 #endif
991 #ifdef O_NOATIME
992     FLAG_TARGET(O_NOATIME),
993 #endif
994 #ifdef O_CLOEXEC
995     FLAG_TARGET(O_CLOEXEC),
996 #endif
997 #ifdef O_PATH
998     FLAG_TARGET(O_PATH),
999 #endif
1000 #ifdef O_TMPFILE
1001     FLAG_TARGET(O_TMPFILE),
1002     FLAG_TARGET(__O_TMPFILE),
1003 #endif
1004     FLAG_END,
1005 };
1006 
1007 UNUSED static struct flags mount_flags[] = {
1008 #ifdef MS_BIND
1009     FLAG_GENERIC(MS_BIND),
1010 #endif
1011 #ifdef MS_DIRSYNC
1012     FLAG_GENERIC(MS_DIRSYNC),
1013 #endif
1014     FLAG_GENERIC(MS_MANDLOCK),
1015 #ifdef MS_MOVE
1016     FLAG_GENERIC(MS_MOVE),
1017 #endif
1018     FLAG_GENERIC(MS_NOATIME),
1019     FLAG_GENERIC(MS_NODEV),
1020     FLAG_GENERIC(MS_NODIRATIME),
1021     FLAG_GENERIC(MS_NOEXEC),
1022     FLAG_GENERIC(MS_NOSUID),
1023     FLAG_GENERIC(MS_RDONLY),
1024 #ifdef MS_RELATIME
1025     FLAG_GENERIC(MS_RELATIME),
1026 #endif
1027     FLAG_GENERIC(MS_REMOUNT),
1028     FLAG_GENERIC(MS_SYNCHRONOUS),
1029     FLAG_END,
1030 };
1031 
1032 UNUSED static struct flags umount2_flags[] = {
1033 #ifdef MNT_FORCE
1034     FLAG_GENERIC(MNT_FORCE),
1035 #endif
1036 #ifdef MNT_DETACH
1037     FLAG_GENERIC(MNT_DETACH),
1038 #endif
1039 #ifdef MNT_EXPIRE
1040     FLAG_GENERIC(MNT_EXPIRE),
1041 #endif
1042     FLAG_END,
1043 };
1044 
1045 UNUSED static struct flags mmap_prot_flags[] = {
1046     FLAG_GENERIC(PROT_NONE),
1047     FLAG_GENERIC(PROT_EXEC),
1048     FLAG_GENERIC(PROT_READ),
1049     FLAG_GENERIC(PROT_WRITE),
1050     FLAG_TARGET(PROT_SEM),
1051     FLAG_GENERIC(PROT_GROWSDOWN),
1052     FLAG_GENERIC(PROT_GROWSUP),
1053     FLAG_END,
1054 };
1055 
1056 UNUSED static struct flags mmap_flags[] = {
1057     FLAG_TARGET(MAP_SHARED),
1058     FLAG_TARGET(MAP_PRIVATE),
1059     FLAG_TARGET(MAP_ANONYMOUS),
1060     FLAG_TARGET(MAP_DENYWRITE),
1061     FLAG_TARGET(MAP_FIXED),
1062     FLAG_TARGET(MAP_GROWSDOWN),
1063     FLAG_TARGET(MAP_EXECUTABLE),
1064 #ifdef MAP_LOCKED
1065     FLAG_TARGET(MAP_LOCKED),
1066 #endif
1067 #ifdef MAP_NONBLOCK
1068     FLAG_TARGET(MAP_NONBLOCK),
1069 #endif
1070     FLAG_TARGET(MAP_NORESERVE),
1071 #ifdef MAP_POPULATE
1072     FLAG_TARGET(MAP_POPULATE),
1073 #endif
1074 #ifdef TARGET_MAP_UNINITIALIZED
1075     FLAG_TARGET(MAP_UNINITIALIZED),
1076 #endif
1077     FLAG_END,
1078 };
1079 
1080 UNUSED static struct flags clone_flags[] = {
1081     FLAG_GENERIC(CLONE_VM),
1082     FLAG_GENERIC(CLONE_FS),
1083     FLAG_GENERIC(CLONE_FILES),
1084     FLAG_GENERIC(CLONE_SIGHAND),
1085     FLAG_GENERIC(CLONE_PTRACE),
1086     FLAG_GENERIC(CLONE_VFORK),
1087     FLAG_GENERIC(CLONE_PARENT),
1088     FLAG_GENERIC(CLONE_THREAD),
1089     FLAG_GENERIC(CLONE_NEWNS),
1090     FLAG_GENERIC(CLONE_SYSVSEM),
1091     FLAG_GENERIC(CLONE_SETTLS),
1092     FLAG_GENERIC(CLONE_PARENT_SETTID),
1093     FLAG_GENERIC(CLONE_CHILD_CLEARTID),
1094     FLAG_GENERIC(CLONE_DETACHED),
1095     FLAG_GENERIC(CLONE_UNTRACED),
1096     FLAG_GENERIC(CLONE_CHILD_SETTID),
1097 #if defined(CLONE_NEWUTS)
1098     FLAG_GENERIC(CLONE_NEWUTS),
1099 #endif
1100 #if defined(CLONE_NEWIPC)
1101     FLAG_GENERIC(CLONE_NEWIPC),
1102 #endif
1103 #if defined(CLONE_NEWUSER)
1104     FLAG_GENERIC(CLONE_NEWUSER),
1105 #endif
1106 #if defined(CLONE_NEWPID)
1107     FLAG_GENERIC(CLONE_NEWPID),
1108 #endif
1109 #if defined(CLONE_NEWNET)
1110     FLAG_GENERIC(CLONE_NEWNET),
1111 #endif
1112 #if defined(CLONE_NEWCGROUP)
1113     FLAG_GENERIC(CLONE_NEWCGROUP),
1114 #endif
1115 #if defined(CLONE_NEWTIME)
1116     FLAG_GENERIC(CLONE_NEWTIME),
1117 #endif
1118 #if defined(CLONE_IO)
1119     FLAG_GENERIC(CLONE_IO),
1120 #endif
1121     FLAG_END,
1122 };
1123 
1124 UNUSED static struct flags msg_flags[] = {
1125     /* send */
1126     FLAG_GENERIC(MSG_CONFIRM),
1127     FLAG_GENERIC(MSG_DONTROUTE),
1128     FLAG_GENERIC(MSG_DONTWAIT),
1129     FLAG_GENERIC(MSG_EOR),
1130     FLAG_GENERIC(MSG_MORE),
1131     FLAG_GENERIC(MSG_NOSIGNAL),
1132     FLAG_GENERIC(MSG_OOB),
1133     /* recv */
1134     FLAG_GENERIC(MSG_CMSG_CLOEXEC),
1135     FLAG_GENERIC(MSG_ERRQUEUE),
1136     FLAG_GENERIC(MSG_PEEK),
1137     FLAG_GENERIC(MSG_TRUNC),
1138     FLAG_GENERIC(MSG_WAITALL),
1139     /* recvmsg */
1140     FLAG_GENERIC(MSG_CTRUNC),
1141     FLAG_END,
1142 };
1143 
1144 UNUSED static struct flags statx_flags[] = {
1145 #ifdef AT_EMPTY_PATH
1146     FLAG_GENERIC(AT_EMPTY_PATH),
1147 #endif
1148 #ifdef AT_NO_AUTOMOUNT
1149     FLAG_GENERIC(AT_NO_AUTOMOUNT),
1150 #endif
1151 #ifdef AT_SYMLINK_NOFOLLOW
1152     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
1153 #endif
1154 #ifdef AT_STATX_SYNC_AS_STAT
1155     FLAG_GENERIC(AT_STATX_SYNC_AS_STAT),
1156 #endif
1157 #ifdef AT_STATX_FORCE_SYNC
1158     FLAG_GENERIC(AT_STATX_FORCE_SYNC),
1159 #endif
1160 #ifdef AT_STATX_DONT_SYNC
1161     FLAG_GENERIC(AT_STATX_DONT_SYNC),
1162 #endif
1163     FLAG_END,
1164 };
1165 
1166 UNUSED static struct flags statx_mask[] = {
1167 /* This must come first, because it includes everything.  */
1168 #ifdef STATX_ALL
1169     FLAG_GENERIC(STATX_ALL),
1170 #endif
1171 /* This must come second; it includes everything except STATX_BTIME.  */
1172 #ifdef STATX_BASIC_STATS
1173     FLAG_GENERIC(STATX_BASIC_STATS),
1174 #endif
1175 #ifdef STATX_TYPE
1176     FLAG_GENERIC(STATX_TYPE),
1177 #endif
1178 #ifdef STATX_MODE
1179     FLAG_GENERIC(STATX_MODE),
1180 #endif
1181 #ifdef STATX_NLINK
1182     FLAG_GENERIC(STATX_NLINK),
1183 #endif
1184 #ifdef STATX_UID
1185     FLAG_GENERIC(STATX_UID),
1186 #endif
1187 #ifdef STATX_GID
1188     FLAG_GENERIC(STATX_GID),
1189 #endif
1190 #ifdef STATX_ATIME
1191     FLAG_GENERIC(STATX_ATIME),
1192 #endif
1193 #ifdef STATX_MTIME
1194     FLAG_GENERIC(STATX_MTIME),
1195 #endif
1196 #ifdef STATX_CTIME
1197     FLAG_GENERIC(STATX_CTIME),
1198 #endif
1199 #ifdef STATX_INO
1200     FLAG_GENERIC(STATX_INO),
1201 #endif
1202 #ifdef STATX_SIZE
1203     FLAG_GENERIC(STATX_SIZE),
1204 #endif
1205 #ifdef STATX_BLOCKS
1206     FLAG_GENERIC(STATX_BLOCKS),
1207 #endif
1208 #ifdef STATX_BTIME
1209     FLAG_GENERIC(STATX_BTIME),
1210 #endif
1211     FLAG_END,
1212 };
1213 
1214 UNUSED static struct flags falloc_flags[] = {
1215     FLAG_GENERIC(FALLOC_FL_KEEP_SIZE),
1216     FLAG_GENERIC(FALLOC_FL_PUNCH_HOLE),
1217 #ifdef FALLOC_FL_NO_HIDE_STALE
1218     FLAG_GENERIC(FALLOC_FL_NO_HIDE_STALE),
1219 #endif
1220 #ifdef FALLOC_FL_COLLAPSE_RANGE
1221     FLAG_GENERIC(FALLOC_FL_COLLAPSE_RANGE),
1222 #endif
1223 #ifdef FALLOC_FL_ZERO_RANGE
1224     FLAG_GENERIC(FALLOC_FL_ZERO_RANGE),
1225 #endif
1226 #ifdef FALLOC_FL_INSERT_RANGE
1227     FLAG_GENERIC(FALLOC_FL_INSERT_RANGE),
1228 #endif
1229 #ifdef FALLOC_FL_UNSHARE_RANGE
1230     FLAG_GENERIC(FALLOC_FL_UNSHARE_RANGE),
1231 #endif
1232 };
1233 
1234 UNUSED static struct flags termios_iflags[] = {
1235     FLAG_TARGET(IGNBRK),
1236     FLAG_TARGET(BRKINT),
1237     FLAG_TARGET(IGNPAR),
1238     FLAG_TARGET(PARMRK),
1239     FLAG_TARGET(INPCK),
1240     FLAG_TARGET(ISTRIP),
1241     FLAG_TARGET(INLCR),
1242     FLAG_TARGET(IGNCR),
1243     FLAG_TARGET(ICRNL),
1244     FLAG_TARGET(IUCLC),
1245     FLAG_TARGET(IXON),
1246     FLAG_TARGET(IXANY),
1247     FLAG_TARGET(IXOFF),
1248     FLAG_TARGET(IMAXBEL),
1249     FLAG_TARGET(IUTF8),
1250     FLAG_END,
1251 };
1252 
1253 UNUSED static struct flags termios_oflags[] = {
1254     FLAG_TARGET(OPOST),
1255     FLAG_TARGET(OLCUC),
1256     FLAG_TARGET(ONLCR),
1257     FLAG_TARGET(OCRNL),
1258     FLAG_TARGET(ONOCR),
1259     FLAG_TARGET(ONLRET),
1260     FLAG_TARGET(OFILL),
1261     FLAG_TARGET(OFDEL),
1262     FLAG_END,
1263 };
1264 
1265 UNUSED static struct enums termios_oflags_NLDLY[] = {
1266     ENUM_TARGET(NL0),
1267     ENUM_TARGET(NL1),
1268     ENUM_END,
1269 };
1270 
1271 UNUSED static struct enums termios_oflags_CRDLY[] = {
1272     ENUM_TARGET(CR0),
1273     ENUM_TARGET(CR1),
1274     ENUM_TARGET(CR2),
1275     ENUM_TARGET(CR3),
1276     ENUM_END,
1277 };
1278 
1279 UNUSED static struct enums termios_oflags_TABDLY[] = {
1280     ENUM_TARGET(TAB0),
1281     ENUM_TARGET(TAB1),
1282     ENUM_TARGET(TAB2),
1283     ENUM_TARGET(TAB3),
1284     ENUM_END,
1285 };
1286 
1287 UNUSED static struct enums termios_oflags_VTDLY[] = {
1288     ENUM_TARGET(VT0),
1289     ENUM_TARGET(VT1),
1290     ENUM_END,
1291 };
1292 
1293 UNUSED static struct enums termios_oflags_FFDLY[] = {
1294     ENUM_TARGET(FF0),
1295     ENUM_TARGET(FF1),
1296     ENUM_END,
1297 };
1298 
1299 UNUSED static struct enums termios_oflags_BSDLY[] = {
1300     ENUM_TARGET(BS0),
1301     ENUM_TARGET(BS1),
1302     ENUM_END,
1303 };
1304 
1305 UNUSED static struct enums termios_cflags_CBAUD[] = {
1306     ENUM_TARGET(B0),
1307     ENUM_TARGET(B50),
1308     ENUM_TARGET(B75),
1309     ENUM_TARGET(B110),
1310     ENUM_TARGET(B134),
1311     ENUM_TARGET(B150),
1312     ENUM_TARGET(B200),
1313     ENUM_TARGET(B300),
1314     ENUM_TARGET(B600),
1315     ENUM_TARGET(B1200),
1316     ENUM_TARGET(B1800),
1317     ENUM_TARGET(B2400),
1318     ENUM_TARGET(B4800),
1319     ENUM_TARGET(B9600),
1320     ENUM_TARGET(B19200),
1321     ENUM_TARGET(B38400),
1322     ENUM_TARGET(B57600),
1323     ENUM_TARGET(B115200),
1324     ENUM_TARGET(B230400),
1325     ENUM_TARGET(B460800),
1326     ENUM_END,
1327 };
1328 
1329 UNUSED static struct enums termios_cflags_CSIZE[] = {
1330     ENUM_TARGET(CS5),
1331     ENUM_TARGET(CS6),
1332     ENUM_TARGET(CS7),
1333     ENUM_TARGET(CS8),
1334     ENUM_END,
1335 };
1336 
1337 UNUSED static struct flags termios_cflags[] = {
1338     FLAG_TARGET(CSTOPB),
1339     FLAG_TARGET(CREAD),
1340     FLAG_TARGET(PARENB),
1341     FLAG_TARGET(PARODD),
1342     FLAG_TARGET(HUPCL),
1343     FLAG_TARGET(CLOCAL),
1344     FLAG_TARGET(CRTSCTS),
1345     FLAG_END,
1346 };
1347 
1348 UNUSED static struct flags termios_lflags[] = {
1349     FLAG_TARGET(ISIG),
1350     FLAG_TARGET(ICANON),
1351     FLAG_TARGET(XCASE),
1352     FLAG_TARGET(ECHO),
1353     FLAG_TARGET(ECHOE),
1354     FLAG_TARGET(ECHOK),
1355     FLAG_TARGET(ECHONL),
1356     FLAG_TARGET(NOFLSH),
1357     FLAG_TARGET(TOSTOP),
1358     FLAG_TARGET(ECHOCTL),
1359     FLAG_TARGET(ECHOPRT),
1360     FLAG_TARGET(ECHOKE),
1361     FLAG_TARGET(FLUSHO),
1362     FLAG_TARGET(PENDIN),
1363     FLAG_TARGET(IEXTEN),
1364     FLAG_TARGET(EXTPROC),
1365     FLAG_END,
1366 };
1367 
1368 UNUSED static struct flags mlockall_flags[] = {
1369     FLAG_TARGET(MCL_CURRENT),
1370     FLAG_TARGET(MCL_FUTURE),
1371 #ifdef MCL_ONFAULT
1372     FLAG_TARGET(MCL_ONFAULT),
1373 #endif
1374     FLAG_END,
1375 };
1376 
1377 /* IDs of the various system clocks */
1378 #define TARGET_CLOCK_REALTIME              0
1379 #define TARGET_CLOCK_MONOTONIC             1
1380 #define TARGET_CLOCK_PROCESS_CPUTIME_ID    2
1381 #define TARGET_CLOCK_THREAD_CPUTIME_ID     3
1382 #define TARGET_CLOCK_MONOTONIC_RAW         4
1383 #define TARGET_CLOCK_REALTIME_COARSE       5
1384 #define TARGET_CLOCK_MONOTONIC_COARSE      6
1385 #define TARGET_CLOCK_BOOTTIME              7
1386 #define TARGET_CLOCK_REALTIME_ALARM        8
1387 #define TARGET_CLOCK_BOOTTIME_ALARM        9
1388 #define TARGET_CLOCK_SGI_CYCLE             10
1389 #define TARGET_CLOCK_TAI                   11
1390 
1391 UNUSED static struct enums clockids[] = {
1392     ENUM_TARGET(CLOCK_REALTIME),
1393     ENUM_TARGET(CLOCK_MONOTONIC),
1394     ENUM_TARGET(CLOCK_PROCESS_CPUTIME_ID),
1395     ENUM_TARGET(CLOCK_THREAD_CPUTIME_ID),
1396     ENUM_TARGET(CLOCK_MONOTONIC_RAW),
1397     ENUM_TARGET(CLOCK_REALTIME_COARSE),
1398     ENUM_TARGET(CLOCK_MONOTONIC_COARSE),
1399     ENUM_TARGET(CLOCK_BOOTTIME),
1400     ENUM_TARGET(CLOCK_REALTIME_ALARM),
1401     ENUM_TARGET(CLOCK_BOOTTIME_ALARM),
1402     ENUM_TARGET(CLOCK_SGI_CYCLE),
1403     ENUM_TARGET(CLOCK_TAI),
1404     ENUM_END,
1405 };
1406 
1407 UNUSED static struct enums itimer_types[] = {
1408     ENUM_GENERIC(ITIMER_REAL),
1409     ENUM_GENERIC(ITIMER_VIRTUAL),
1410     ENUM_GENERIC(ITIMER_PROF),
1411     ENUM_END,
1412 };
1413 
1414 /*
1415  * print_xxx utility functions.  These are used to print syscall
1416  * parameters in certain format.  All of these have parameter
1417  * named 'last'.  This parameter is used to add comma to output
1418  * when last == 0.
1419  */
1420 
1421 static const char *
1422 get_comma(int last)
1423 {
1424     return ((last) ? "" : ",");
1425 }
1426 
1427 static void
1428 print_flags(const struct flags *f, abi_long flags, int last)
1429 {
1430     const char *sep = "";
1431     int n;
1432 
1433     if ((flags == 0) && (f->f_value == 0)) {
1434         qemu_log("%s%s", f->f_string, get_comma(last));
1435         return;
1436     }
1437     for (n = 0; f->f_string != NULL; f++) {
1438         if ((f->f_value != 0) && ((flags & f->f_value) == f->f_value)) {
1439             qemu_log("%s%s", sep, f->f_string);
1440             flags &= ~f->f_value;
1441             sep = "|";
1442             n++;
1443         }
1444     }
1445 
1446     if (n > 0) {
1447         /* print rest of the flags as numeric */
1448         if (flags != 0) {
1449             qemu_log("%s%#x%s", sep, (unsigned int)flags, get_comma(last));
1450         } else {
1451             qemu_log("%s", get_comma(last));
1452         }
1453     } else {
1454         /* no string version of flags found, print them in hex then */
1455         qemu_log("%#x%s", (unsigned int)flags, get_comma(last));
1456     }
1457 }
1458 
1459 static void
1460 print_enums(const struct enums *e, abi_long enum_arg, int last)
1461 {
1462     for (; e->e_string != NULL; e++) {
1463         if (e->e_value == enum_arg) {
1464             qemu_log("%s", e->e_string);
1465             break;
1466         }
1467     }
1468 
1469     if (e->e_string == NULL) {
1470         qemu_log("%#x", (unsigned int)enum_arg);
1471     }
1472 
1473     qemu_log("%s", get_comma(last));
1474 }
1475 
1476 static void
1477 print_at_dirfd(abi_long dirfd, int last)
1478 {
1479 #ifdef AT_FDCWD
1480     if (dirfd == AT_FDCWD) {
1481         qemu_log("AT_FDCWD%s", get_comma(last));
1482         return;
1483     }
1484 #endif
1485     qemu_log("%d%s", (int)dirfd, get_comma(last));
1486 }
1487 
1488 static void
1489 print_file_mode(abi_long mode, int last)
1490 {
1491     const char *sep = "";
1492     const struct flags *m;
1493 
1494     for (m = &mode_flags[0]; m->f_string != NULL; m++) {
1495         if ((m->f_value & mode) == m->f_value) {
1496             qemu_log("%s%s", m->f_string, sep);
1497             sep = "|";
1498             mode &= ~m->f_value;
1499             break;
1500         }
1501     }
1502 
1503     mode &= ~S_IFMT;
1504     /* print rest of the mode as octal */
1505     if (mode != 0)
1506         qemu_log("%s%#o", sep, (unsigned int)mode);
1507 
1508     qemu_log("%s", get_comma(last));
1509 }
1510 
1511 static void
1512 print_open_flags(abi_long flags, int last)
1513 {
1514     print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1);
1515     flags &= ~TARGET_O_ACCMODE;
1516     if (flags == 0) {
1517         qemu_log("%s", get_comma(last));
1518         return;
1519     }
1520     qemu_log("|");
1521     print_flags(open_flags, flags, last);
1522 }
1523 
1524 static void
1525 print_syscall_prologue(const struct syscallname *sc)
1526 {
1527     qemu_log("%s(", sc->name);
1528 }
1529 
1530 /*ARGSUSED*/
1531 static void
1532 print_syscall_epilogue(const struct syscallname *sc)
1533 {
1534     (void)sc;
1535     qemu_log(")");
1536 }
1537 
1538 static void
1539 print_string(abi_long addr, int last)
1540 {
1541     char *s;
1542 
1543     if ((s = lock_user_string(addr)) != NULL) {
1544         qemu_log("\"%s\"%s", s, get_comma(last));
1545         unlock_user(s, addr, 0);
1546     } else {
1547         /* can't get string out of it, so print it as pointer */
1548         print_pointer(addr, last);
1549     }
1550 }
1551 
1552 #define MAX_PRINT_BUF 40
1553 static void
1554 print_buf(abi_long addr, abi_long len, int last)
1555 {
1556     uint8_t *s;
1557     int i;
1558 
1559     s = lock_user(VERIFY_READ, addr, len, 1);
1560     if (s) {
1561         qemu_log("\"");
1562         for (i = 0; i < MAX_PRINT_BUF && i < len; i++) {
1563             if (isprint(s[i])) {
1564                 qemu_log("%c", s[i]);
1565             } else {
1566                 qemu_log("\\%o", s[i]);
1567             }
1568         }
1569         qemu_log("\"");
1570         if (i != len) {
1571             qemu_log("...");
1572         }
1573         if (!last) {
1574             qemu_log(",");
1575         }
1576         unlock_user(s, addr, 0);
1577     } else {
1578         print_pointer(addr, last);
1579     }
1580 }
1581 
1582 /*
1583  * Prints out raw parameter using given format.  Caller needs
1584  * to do byte swapping if needed.
1585  */
1586 static void
1587 print_raw_param(const char *fmt, abi_long param, int last)
1588 {
1589     char format[64];
1590 
1591     (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last));
1592     qemu_log(format, param);
1593 }
1594 
1595 static void
1596 print_pointer(abi_long p, int last)
1597 {
1598     if (p == 0)
1599         qemu_log("NULL%s", get_comma(last));
1600     else
1601         qemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last));
1602 }
1603 
1604 /*
1605  * Reads 32-bit (int) number from guest address space from
1606  * address 'addr' and prints it.
1607  */
1608 static void
1609 print_number(abi_long addr, int last)
1610 {
1611     if (addr == 0) {
1612         qemu_log("NULL%s", get_comma(last));
1613     } else {
1614         int num;
1615 
1616         get_user_s32(num, addr);
1617         qemu_log("[%d]%s", num, get_comma(last));
1618     }
1619 }
1620 
1621 static void
1622 print_timeval(abi_ulong tv_addr, int last)
1623 {
1624     if( tv_addr ) {
1625         struct target_timeval *tv;
1626 
1627         tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
1628         if (!tv) {
1629             print_pointer(tv_addr, last);
1630             return;
1631         }
1632         qemu_log("{tv_sec = " TARGET_ABI_FMT_ld
1633                  ",tv_usec = " TARGET_ABI_FMT_ld "}%s",
1634                  tswapal(tv->tv_sec), tswapal(tv->tv_usec), get_comma(last));
1635         unlock_user(tv, tv_addr, 0);
1636     } else
1637         qemu_log("NULL%s", get_comma(last));
1638 }
1639 
1640 static void
1641 print_timespec(abi_ulong ts_addr, int last)
1642 {
1643     if (ts_addr) {
1644         struct target_timespec *ts;
1645 
1646         ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1);
1647         if (!ts) {
1648             print_pointer(ts_addr, last);
1649             return;
1650         }
1651         qemu_log("{tv_sec = " TARGET_ABI_FMT_ld
1652                  ",tv_nsec = " TARGET_ABI_FMT_ld "}%s",
1653                  tswapal(ts->tv_sec), tswapal(ts->tv_nsec), get_comma(last));
1654         unlock_user(ts, ts_addr, 0);
1655     } else {
1656         qemu_log("NULL%s", get_comma(last));
1657     }
1658 }
1659 
1660 static void
1661 print_timezone(abi_ulong tz_addr, int last)
1662 {
1663     if (tz_addr) {
1664         struct target_timezone *tz;
1665 
1666         tz = lock_user(VERIFY_READ, tz_addr, sizeof(*tz), 1);
1667         if (!tz) {
1668             print_pointer(tz_addr, last);
1669             return;
1670         }
1671         qemu_log("{%d,%d}%s", tswap32(tz->tz_minuteswest),
1672                  tswap32(tz->tz_dsttime), get_comma(last));
1673         unlock_user(tz, tz_addr, 0);
1674     } else {
1675         qemu_log("NULL%s", get_comma(last));
1676     }
1677 }
1678 
1679 static void
1680 print_itimerval(abi_ulong it_addr, int last)
1681 {
1682     if (it_addr) {
1683         qemu_log("{it_interval=");
1684         print_timeval(it_addr +
1685                       offsetof(struct target_itimerval, it_interval), 0);
1686         qemu_log("it_value=");
1687         print_timeval(it_addr +
1688                       offsetof(struct target_itimerval, it_value), 0);
1689         qemu_log("}%s", get_comma(last));
1690     } else {
1691         qemu_log("NULL%s", get_comma(last));
1692     }
1693 }
1694 
1695 void
1696 print_termios(void *arg)
1697 {
1698     const struct target_termios *target = arg;
1699 
1700     target_tcflag_t iflags = tswap32(target->c_iflag);
1701     target_tcflag_t oflags = tswap32(target->c_oflag);
1702     target_tcflag_t cflags = tswap32(target->c_cflag);
1703     target_tcflag_t lflags = tswap32(target->c_lflag);
1704 
1705     qemu_log("{");
1706 
1707     qemu_log("c_iflag = ");
1708     print_flags(termios_iflags, iflags, 0);
1709 
1710     qemu_log("c_oflag = ");
1711     target_tcflag_t oflags_clean =  oflags & ~(TARGET_NLDLY | TARGET_CRDLY |
1712                                                TARGET_TABDLY | TARGET_BSDLY |
1713                                                TARGET_VTDLY | TARGET_FFDLY);
1714     print_flags(termios_oflags, oflags_clean, 0);
1715     if (oflags & TARGET_NLDLY) {
1716         print_enums(termios_oflags_NLDLY, oflags & TARGET_NLDLY, 0);
1717     }
1718     if (oflags & TARGET_CRDLY) {
1719         print_enums(termios_oflags_CRDLY, oflags & TARGET_CRDLY, 0);
1720     }
1721     if (oflags & TARGET_TABDLY) {
1722         print_enums(termios_oflags_TABDLY, oflags & TARGET_TABDLY, 0);
1723     }
1724     if (oflags & TARGET_BSDLY) {
1725         print_enums(termios_oflags_BSDLY, oflags & TARGET_BSDLY, 0);
1726     }
1727     if (oflags & TARGET_VTDLY) {
1728         print_enums(termios_oflags_VTDLY, oflags & TARGET_VTDLY, 0);
1729     }
1730     if (oflags & TARGET_FFDLY) {
1731         print_enums(termios_oflags_FFDLY, oflags & TARGET_FFDLY, 0);
1732     }
1733 
1734     qemu_log("c_cflag = ");
1735     if (cflags & TARGET_CBAUD) {
1736         print_enums(termios_cflags_CBAUD, cflags & TARGET_CBAUD, 0);
1737     }
1738     if (cflags & TARGET_CSIZE) {
1739         print_enums(termios_cflags_CSIZE, cflags & TARGET_CSIZE, 0);
1740     }
1741     target_tcflag_t cflags_clean = cflags & ~(TARGET_CBAUD | TARGET_CSIZE);
1742     print_flags(termios_cflags, cflags_clean, 0);
1743 
1744     qemu_log("c_lflag = ");
1745     print_flags(termios_lflags, lflags, 0);
1746 
1747     qemu_log("c_cc = ");
1748     qemu_log("\"%s\",", target->c_cc);
1749 
1750     qemu_log("c_line = ");
1751     print_raw_param("\'%c\'", target->c_line, 1);
1752 
1753     qemu_log("}");
1754 }
1755 
1756 #undef UNUSED
1757 
1758 #ifdef TARGET_NR_accept
1759 static void
1760 print_accept(void *cpu_env, const struct syscallname *name,
1761              abi_long arg0, abi_long arg1, abi_long arg2,
1762              abi_long arg3, abi_long arg4, abi_long arg5)
1763 {
1764     print_syscall_prologue(name);
1765     print_raw_param("%d", arg0, 0);
1766     print_pointer(arg1, 0);
1767     print_number(arg2, 1);
1768     print_syscall_epilogue(name);
1769 }
1770 #endif
1771 
1772 #ifdef TARGET_NR_access
1773 static void
1774 print_access(void *cpu_env, const struct syscallname *name,
1775              abi_long arg0, abi_long arg1, abi_long arg2,
1776              abi_long arg3, abi_long arg4, abi_long arg5)
1777 {
1778     print_syscall_prologue(name);
1779     print_string(arg0, 0);
1780     print_flags(access_flags, arg1, 1);
1781     print_syscall_epilogue(name);
1782 }
1783 #endif
1784 
1785 #ifdef TARGET_NR_acct
1786 static void
1787 print_acct(void *cpu_env, const struct syscallname *name,
1788            abi_long arg0, abi_long arg1, abi_long arg2,
1789            abi_long arg3, abi_long arg4, abi_long arg5)
1790 {
1791     print_syscall_prologue(name);
1792     print_string(arg0, 1);
1793     print_syscall_epilogue(name);
1794 }
1795 #endif
1796 
1797 #ifdef TARGET_NR_brk
1798 static void
1799 print_brk(void *cpu_env, const struct syscallname *name,
1800           abi_long arg0, abi_long arg1, abi_long arg2,
1801           abi_long arg3, abi_long arg4, abi_long arg5)
1802 {
1803     print_syscall_prologue(name);
1804     print_pointer(arg0, 1);
1805     print_syscall_epilogue(name);
1806 }
1807 #endif
1808 
1809 #ifdef TARGET_NR_chdir
1810 static void
1811 print_chdir(void *cpu_env, const struct syscallname *name,
1812             abi_long arg0, abi_long arg1, abi_long arg2,
1813             abi_long arg3, abi_long arg4, abi_long arg5)
1814 {
1815     print_syscall_prologue(name);
1816     print_string(arg0, 1);
1817     print_syscall_epilogue(name);
1818 }
1819 #endif
1820 
1821 #ifdef TARGET_NR_chroot
1822 static void
1823 print_chroot(void *cpu_env, const struct syscallname *name,
1824              abi_long arg0, abi_long arg1, abi_long arg2,
1825              abi_long arg3, abi_long arg4, abi_long arg5)
1826 {
1827     print_syscall_prologue(name);
1828     print_string(arg0, 1);
1829     print_syscall_epilogue(name);
1830 }
1831 #endif
1832 
1833 #ifdef TARGET_NR_chmod
1834 static void
1835 print_chmod(void *cpu_env, const struct syscallname *name,
1836             abi_long arg0, abi_long arg1, abi_long arg2,
1837             abi_long arg3, abi_long arg4, abi_long arg5)
1838 {
1839     print_syscall_prologue(name);
1840     print_string(arg0, 0);
1841     print_file_mode(arg1, 1);
1842     print_syscall_epilogue(name);
1843 }
1844 #endif
1845 
1846 #if defined(TARGET_NR_chown) || defined(TARGET_NR_lchown)
1847 static void
1848 print_chown(void *cpu_env, const struct syscallname *name,
1849             abi_long arg0, abi_long arg1, abi_long arg2,
1850             abi_long arg3, abi_long arg4, abi_long arg5)
1851 {
1852     print_syscall_prologue(name);
1853     print_string(arg0, 0);
1854     print_raw_param("%d", arg1, 0);
1855     print_raw_param("%d", arg2, 1);
1856     print_syscall_epilogue(name);
1857 }
1858 #define print_lchown     print_chown
1859 #endif
1860 
1861 #ifdef TARGET_NR_clock_adjtime
1862 static void
1863 print_clock_adjtime(void *cpu_env, const struct syscallname *name,
1864                     abi_long arg0, abi_long arg1, abi_long arg2,
1865                     abi_long arg3, abi_long arg4, abi_long arg5)
1866 {
1867     print_syscall_prologue(name);
1868     print_enums(clockids, arg0, 0);
1869     print_pointer(arg1, 1);
1870     print_syscall_epilogue(name);
1871 }
1872 #endif
1873 
1874 #ifdef TARGET_NR_clone
1875 static void do_print_clone(unsigned int flags, abi_ulong newsp,
1876                            abi_ulong parent_tidptr, target_ulong newtls,
1877                            abi_ulong child_tidptr)
1878 {
1879     print_flags(clone_flags, flags, 0);
1880     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, newsp, 0);
1881     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, parent_tidptr, 0);
1882     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, newtls, 0);
1883     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, child_tidptr, 1);
1884 }
1885 
1886 static void
1887 print_clone(void *cpu_env, const struct syscallname *name,
1888             abi_long arg1, abi_long arg2, abi_long arg3,
1889             abi_long arg4, abi_long arg5, abi_long arg6)
1890 {
1891     print_syscall_prologue(name);
1892 #if defined(TARGET_MICROBLAZE)
1893     do_print_clone(arg1, arg2, arg4, arg6, arg5);
1894 #elif defined(TARGET_CLONE_BACKWARDS)
1895     do_print_clone(arg1, arg2, arg3, arg4, arg5);
1896 #elif defined(TARGET_CLONE_BACKWARDS2)
1897     do_print_clone(arg2, arg1, arg3, arg5, arg4);
1898 #else
1899     do_print_clone(arg1, arg2, arg3, arg5, arg4);
1900 #endif
1901     print_syscall_epilogue(name);
1902 }
1903 #endif
1904 
1905 #ifdef TARGET_NR_creat
1906 static void
1907 print_creat(void *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_string(arg0, 0);
1913     print_file_mode(arg1, 1);
1914     print_syscall_epilogue(name);
1915 }
1916 #endif
1917 
1918 #ifdef TARGET_NR_execv
1919 static void
1920 print_execv(void *cpu_env, const struct syscallname *name,
1921             abi_long arg0, abi_long arg1, abi_long arg2,
1922             abi_long arg3, abi_long arg4, abi_long arg5)
1923 {
1924     print_syscall_prologue(name);
1925     print_string(arg0, 0);
1926     print_raw_param("0x" TARGET_ABI_FMT_lx, arg1, 1);
1927     print_syscall_epilogue(name);
1928 }
1929 #endif
1930 
1931 #ifdef TARGET_NR_faccessat
1932 static void
1933 print_faccessat(void *cpu_env, const struct syscallname *name,
1934                 abi_long arg0, abi_long arg1, abi_long arg2,
1935                 abi_long arg3, abi_long arg4, abi_long arg5)
1936 {
1937     print_syscall_prologue(name);
1938     print_at_dirfd(arg0, 0);
1939     print_string(arg1, 0);
1940     print_flags(access_flags, arg2, 0);
1941     print_flags(at_file_flags, arg3, 1);
1942     print_syscall_epilogue(name);
1943 }
1944 #endif
1945 
1946 #ifdef TARGET_NR_fallocate
1947 static void
1948 print_fallocate(void *cpu_env, const struct syscallname *name,
1949                 abi_long arg0, abi_long arg1, abi_long arg2,
1950                 abi_long arg3, abi_long arg4, abi_long arg5)
1951 {
1952     print_syscall_prologue(name);
1953     print_raw_param("%d", arg0, 0);
1954     print_flags(falloc_flags, arg1, 0);
1955 #if TARGET_ABI_BITS == 32
1956     print_raw_param("%" PRIu64, target_offset64(arg2, arg3), 0);
1957     print_raw_param("%" PRIu64, target_offset64(arg4, arg5), 1);
1958 #else
1959     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1960     print_raw_param(TARGET_ABI_FMT_ld, arg3, 1);
1961 #endif
1962     print_syscall_epilogue(name);
1963 }
1964 #endif
1965 
1966 #ifdef TARGET_NR_fchmodat
1967 static void
1968 print_fchmodat(void *cpu_env, const struct syscallname *name,
1969                abi_long arg0, abi_long arg1, abi_long arg2,
1970                abi_long arg3, abi_long arg4, abi_long arg5)
1971 {
1972     print_syscall_prologue(name);
1973     print_at_dirfd(arg0, 0);
1974     print_string(arg1, 0);
1975     print_file_mode(arg2, 0);
1976     print_flags(at_file_flags, arg3, 1);
1977     print_syscall_epilogue(name);
1978 }
1979 #endif
1980 
1981 #ifdef TARGET_NR_fchownat
1982 static void
1983 print_fchownat(void *cpu_env, const struct syscallname *name,
1984                abi_long arg0, abi_long arg1, abi_long arg2,
1985                abi_long arg3, abi_long arg4, abi_long arg5)
1986 {
1987     print_syscall_prologue(name);
1988     print_at_dirfd(arg0, 0);
1989     print_string(arg1, 0);
1990     print_raw_param("%d", arg2, 0);
1991     print_raw_param("%d", arg3, 0);
1992     print_flags(at_file_flags, arg4, 1);
1993     print_syscall_epilogue(name);
1994 }
1995 #endif
1996 
1997 #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
1998 static void
1999 print_fcntl(void *cpu_env, const struct syscallname *name,
2000             abi_long arg0, abi_long arg1, abi_long arg2,
2001             abi_long arg3, abi_long arg4, abi_long arg5)
2002 {
2003     print_syscall_prologue(name);
2004     print_raw_param("%d", arg0, 0);
2005     switch(arg1) {
2006     case TARGET_F_DUPFD:
2007         qemu_log("F_DUPFD,");
2008         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2009         break;
2010     case TARGET_F_GETFD:
2011         qemu_log("F_GETFD");
2012         break;
2013     case TARGET_F_SETFD:
2014         qemu_log("F_SETFD,");
2015         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2016         break;
2017     case TARGET_F_GETFL:
2018         qemu_log("F_GETFL");
2019         break;
2020     case TARGET_F_SETFL:
2021         qemu_log("F_SETFL,");
2022         print_open_flags(arg2, 1);
2023         break;
2024     case TARGET_F_GETLK:
2025         qemu_log("F_GETLK,");
2026         print_pointer(arg2, 1);
2027         break;
2028     case TARGET_F_SETLK:
2029         qemu_log("F_SETLK,");
2030         print_pointer(arg2, 1);
2031         break;
2032     case TARGET_F_SETLKW:
2033         qemu_log("F_SETLKW,");
2034         print_pointer(arg2, 1);
2035         break;
2036     case TARGET_F_GETOWN:
2037         qemu_log("F_GETOWN");
2038         break;
2039     case TARGET_F_SETOWN:
2040         qemu_log("F_SETOWN,");
2041         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2042         break;
2043     case TARGET_F_GETSIG:
2044         qemu_log("F_GETSIG");
2045         break;
2046     case TARGET_F_SETSIG:
2047         qemu_log("F_SETSIG,");
2048         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2049         break;
2050 #if TARGET_ABI_BITS == 32
2051     case TARGET_F_GETLK64:
2052         qemu_log("F_GETLK64,");
2053         print_pointer(arg2, 1);
2054         break;
2055     case TARGET_F_SETLK64:
2056         qemu_log("F_SETLK64,");
2057         print_pointer(arg2, 1);
2058         break;
2059     case TARGET_F_SETLKW64:
2060         qemu_log("F_SETLKW64,");
2061         print_pointer(arg2, 1);
2062         break;
2063 #endif
2064     case TARGET_F_OFD_GETLK:
2065         qemu_log("F_OFD_GETLK,");
2066         print_pointer(arg2, 1);
2067         break;
2068     case TARGET_F_OFD_SETLK:
2069         qemu_log("F_OFD_SETLK,");
2070         print_pointer(arg2, 1);
2071         break;
2072     case TARGET_F_OFD_SETLKW:
2073         qemu_log("F_OFD_SETLKW,");
2074         print_pointer(arg2, 1);
2075         break;
2076     case TARGET_F_SETLEASE:
2077         qemu_log("F_SETLEASE,");
2078         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2079         break;
2080     case TARGET_F_GETLEASE:
2081         qemu_log("F_GETLEASE");
2082         break;
2083 #ifdef F_DUPFD_CLOEXEC
2084     case TARGET_F_DUPFD_CLOEXEC:
2085         qemu_log("F_DUPFD_CLOEXEC,");
2086         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2087         break;
2088 #endif
2089     case TARGET_F_NOTIFY:
2090         qemu_log("F_NOTIFY,");
2091         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2092         break;
2093 #ifdef F_GETOWN_EX
2094     case TARGET_F_GETOWN_EX:
2095         qemu_log("F_GETOWN_EX,");
2096         print_pointer(arg2, 1);
2097         break;
2098 #endif
2099 #ifdef F_SETOWN_EX
2100     case TARGET_F_SETOWN_EX:
2101         qemu_log("F_SETOWN_EX,");
2102         print_pointer(arg2, 1);
2103         break;
2104 #endif
2105 #ifdef F_SETPIPE_SZ
2106     case TARGET_F_SETPIPE_SZ:
2107         qemu_log("F_SETPIPE_SZ,");
2108         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2109         break;
2110     case TARGET_F_GETPIPE_SZ:
2111         qemu_log("F_GETPIPE_SZ");
2112         break;
2113 #endif
2114 #ifdef F_ADD_SEALS
2115     case TARGET_F_ADD_SEALS:
2116         qemu_log("F_ADD_SEALS,");
2117         print_raw_param("0x"TARGET_ABI_FMT_lx, arg2, 1);
2118         break;
2119     case TARGET_F_GET_SEALS:
2120         qemu_log("F_GET_SEALS");
2121         break;
2122 #endif
2123     default:
2124         print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
2125         print_pointer(arg2, 1);
2126         break;
2127     }
2128     print_syscall_epilogue(name);
2129 }
2130 #define print_fcntl64   print_fcntl
2131 #endif
2132 
2133 #ifdef TARGET_NR_fgetxattr
2134 static void
2135 print_fgetxattr(void *cpu_env, const struct syscallname *name,
2136                 abi_long arg0, abi_long arg1, abi_long arg2,
2137                 abi_long arg3, abi_long arg4, abi_long arg5)
2138 {
2139     print_syscall_prologue(name);
2140     print_raw_param("%d", arg0, 0);
2141     print_string(arg1, 0);
2142     print_pointer(arg2, 0);
2143     print_raw_param(TARGET_FMT_lu, arg3, 1);
2144     print_syscall_epilogue(name);
2145 }
2146 #endif
2147 
2148 #ifdef TARGET_NR_flistxattr
2149 static void
2150 print_flistxattr(void *cpu_env, const struct syscallname *name,
2151                  abi_long arg0, abi_long arg1, abi_long arg2,
2152                  abi_long arg3, abi_long arg4, abi_long arg5)
2153 {
2154     print_syscall_prologue(name);
2155     print_raw_param("%d", arg0, 0);
2156     print_pointer(arg1, 0);
2157     print_raw_param(TARGET_FMT_lu, arg2, 1);
2158     print_syscall_epilogue(name);
2159 }
2160 #endif
2161 
2162 #if defined(TARGET_NR_getxattr) || defined(TARGET_NR_lgetxattr)
2163 static void
2164 print_getxattr(void *cpu_env, const struct syscallname *name,
2165                abi_long arg0, abi_long arg1, abi_long arg2,
2166                abi_long arg3, abi_long arg4, abi_long arg5)
2167 {
2168     print_syscall_prologue(name);
2169     print_string(arg0, 0);
2170     print_string(arg1, 0);
2171     print_pointer(arg2, 0);
2172     print_raw_param(TARGET_FMT_lu, arg3, 1);
2173     print_syscall_epilogue(name);
2174 }
2175 #define print_lgetxattr     print_getxattr
2176 #endif
2177 
2178 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr)
2179 static void
2180 print_listxattr(void *cpu_env, const struct syscallname *name,
2181                 abi_long arg0, abi_long arg1, abi_long arg2,
2182                 abi_long arg3, abi_long arg4, abi_long arg5)
2183 {
2184     print_syscall_prologue(name);
2185     print_string(arg0, 0);
2186     print_pointer(arg1, 0);
2187     print_raw_param(TARGET_FMT_lu, arg2, 1);
2188     print_syscall_epilogue(name);
2189 }
2190 #define print_llistxattr     print_listxattr
2191 #endif
2192 
2193 #if defined(TARGET_NR_fremovexattr)
2194 static void
2195 print_fremovexattr(void *cpu_env, const struct syscallname *name,
2196                    abi_long arg0, abi_long arg1, abi_long arg2,
2197                    abi_long arg3, abi_long arg4, abi_long arg5)
2198 {
2199     print_syscall_prologue(name);
2200     print_raw_param("%d", arg0, 0);
2201     print_string(arg1, 1);
2202     print_syscall_epilogue(name);
2203 }
2204 #endif
2205 
2206 #if defined(TARGET_NR_removexattr) || defined(TARGET_NR_lremovexattr)
2207 static void
2208 print_removexattr(void *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, 1);
2215     print_syscall_epilogue(name);
2216 }
2217 #define print_lremovexattr     print_removexattr
2218 #endif
2219 
2220 #ifdef TARGET_NR_futimesat
2221 static void
2222 print_futimesat(void *cpu_env, const struct syscallname *name,
2223                 abi_long arg0, abi_long arg1, abi_long arg2,
2224                 abi_long arg3, abi_long arg4, abi_long arg5)
2225 {
2226     print_syscall_prologue(name);
2227     print_at_dirfd(arg0, 0);
2228     print_string(arg1, 0);
2229     print_timeval(arg2, 0);
2230     print_timeval(arg2 + sizeof (struct target_timeval), 1);
2231     print_syscall_epilogue(name);
2232 }
2233 #endif
2234 
2235 #ifdef TARGET_NR_gettimeofday
2236 static void
2237 print_gettimeofday(void *cpu_env, const struct syscallname *name,
2238                    abi_long arg0, abi_long arg1, abi_long arg2,
2239                    abi_long arg3, abi_long arg4, abi_long arg5)
2240 {
2241     print_syscall_prologue(name);
2242     print_pointer(arg0, 0);
2243     print_pointer(arg1, 1);
2244     print_syscall_epilogue(name);
2245 }
2246 #endif
2247 
2248 #ifdef TARGET_NR_settimeofday
2249 static void
2250 print_settimeofday(void *cpu_env, const struct syscallname *name,
2251                    abi_long arg0, abi_long arg1, abi_long arg2,
2252                    abi_long arg3, abi_long arg4, abi_long arg5)
2253 {
2254     print_syscall_prologue(name);
2255     print_timeval(arg0, 0);
2256     print_timezone(arg1, 1);
2257     print_syscall_epilogue(name);
2258 }
2259 #endif
2260 
2261 #if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
2262 static void
2263 print_clock_gettime(void *cpu_env, const struct syscallname *name,
2264                     abi_long arg0, abi_long arg1, abi_long arg2,
2265                     abi_long arg3, abi_long arg4, abi_long arg5)
2266 {
2267     print_syscall_prologue(name);
2268     print_enums(clockids, arg0, 0);
2269     print_pointer(arg1, 1);
2270     print_syscall_epilogue(name);
2271 }
2272 #define print_clock_getres     print_clock_gettime
2273 #endif
2274 
2275 #ifdef TARGET_NR_clock_settime
2276 static void
2277 print_clock_settime(void *cpu_env, const struct syscallname *name,
2278                     abi_long arg0, abi_long arg1, abi_long arg2,
2279                     abi_long arg3, abi_long arg4, abi_long arg5)
2280 {
2281     print_syscall_prologue(name);
2282     print_enums(clockids, arg0, 0);
2283     print_timespec(arg1, 1);
2284     print_syscall_epilogue(name);
2285 }
2286 #endif
2287 
2288 #ifdef TARGET_NR_getitimer
2289 static void
2290 print_getitimer(void *cpu_env, const struct syscallname *name,
2291                 abi_long arg0, abi_long arg1, abi_long arg2,
2292                 abi_long arg3, abi_long arg4, abi_long arg5)
2293 {
2294     print_syscall_prologue(name);
2295     print_enums(itimer_types, arg0, 0);
2296     print_pointer(arg1, 1);
2297     print_syscall_epilogue(name);
2298 }
2299 #endif
2300 
2301 #ifdef TARGET_NR_setitimer
2302 static void
2303 print_setitimer(void *cpu_env, const struct syscallname *name,
2304                 abi_long arg0, abi_long arg1, abi_long arg2,
2305                 abi_long arg3, abi_long arg4, abi_long arg5)
2306 {
2307     print_syscall_prologue(name);
2308     print_enums(itimer_types, arg0, 0);
2309     print_itimerval(arg1, 0);
2310     print_pointer(arg2, 1);
2311     print_syscall_epilogue(name);
2312 }
2313 #endif
2314 
2315 #ifdef TARGET_NR_link
2316 static void
2317 print_link(void *cpu_env, const struct syscallname *name,
2318            abi_long arg0, abi_long arg1, abi_long arg2,
2319            abi_long arg3, abi_long arg4, abi_long arg5)
2320 {
2321     print_syscall_prologue(name);
2322     print_string(arg0, 0);
2323     print_string(arg1, 1);
2324     print_syscall_epilogue(name);
2325 }
2326 #endif
2327 
2328 #ifdef TARGET_NR_linkat
2329 static void
2330 print_linkat(void *cpu_env, const struct syscallname *name,
2331              abi_long arg0, abi_long arg1, abi_long arg2,
2332              abi_long arg3, abi_long arg4, abi_long arg5)
2333 {
2334     print_syscall_prologue(name);
2335     print_at_dirfd(arg0, 0);
2336     print_string(arg1, 0);
2337     print_at_dirfd(arg2, 0);
2338     print_string(arg3, 0);
2339     print_flags(at_file_flags, arg4, 1);
2340     print_syscall_epilogue(name);
2341 }
2342 #endif
2343 
2344 #if defined(TARGET_NR__llseek) || defined(TARGET_NR_llseek)
2345 static void
2346 print__llseek(void *cpu_env, const struct syscallname *name,
2347               abi_long arg0, abi_long arg1, abi_long arg2,
2348               abi_long arg3, abi_long arg4, abi_long arg5)
2349 {
2350     const char *whence = "UNKNOWN";
2351     print_syscall_prologue(name);
2352     print_raw_param("%d", arg0, 0);
2353     print_raw_param("%ld", arg1, 0);
2354     print_raw_param("%ld", arg2, 0);
2355     print_pointer(arg3, 0);
2356     switch(arg4) {
2357     case SEEK_SET: whence = "SEEK_SET"; break;
2358     case SEEK_CUR: whence = "SEEK_CUR"; break;
2359     case SEEK_END: whence = "SEEK_END"; break;
2360     }
2361     qemu_log("%s", whence);
2362     print_syscall_epilogue(name);
2363 }
2364 #define print_llseek print__llseek
2365 #endif
2366 
2367 #ifdef TARGET_NR_lseek
2368 static void
2369 print_lseek(void *cpu_env, const struct syscallname *name,
2370             abi_long arg0, abi_long arg1, abi_long arg2,
2371             abi_long arg3, abi_long arg4, abi_long arg5)
2372 {
2373     print_syscall_prologue(name);
2374     print_raw_param("%d", arg0, 0);
2375     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
2376     switch (arg2) {
2377     case SEEK_SET:
2378         qemu_log("SEEK_SET"); break;
2379     case SEEK_CUR:
2380         qemu_log("SEEK_CUR"); break;
2381     case SEEK_END:
2382         qemu_log("SEEK_END"); break;
2383 #ifdef SEEK_DATA
2384     case SEEK_DATA:
2385         qemu_log("SEEK_DATA"); break;
2386 #endif
2387 #ifdef SEEK_HOLE
2388     case SEEK_HOLE:
2389         qemu_log("SEEK_HOLE"); break;
2390 #endif
2391     default:
2392         print_raw_param("%#x", arg2, 1);
2393     }
2394     print_syscall_epilogue(name);
2395 }
2396 #endif
2397 
2398 #ifdef TARGET_NR_truncate
2399 static void
2400 print_truncate(void *cpu_env, const struct syscallname *name,
2401                abi_long arg0, abi_long arg1, abi_long arg2,
2402                abi_long arg3, abi_long arg4, abi_long arg5)
2403 {
2404     print_syscall_prologue(name);
2405     print_string(arg0, 0);
2406     print_raw_param(TARGET_ABI_FMT_ld, arg1, 1);
2407     print_syscall_epilogue(name);
2408 }
2409 #endif
2410 
2411 #ifdef TARGET_NR_truncate64
2412 static void
2413 print_truncate64(void *cpu_env, const struct syscallname *name,
2414                  abi_long arg0, abi_long arg1, abi_long arg2,
2415                  abi_long arg3, abi_long arg4, abi_long arg5)
2416 {
2417     print_syscall_prologue(name);
2418     print_string(arg0, 0);
2419     if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) {
2420         arg1 = arg2;
2421         arg2 = arg3;
2422     }
2423     print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1);
2424     print_syscall_epilogue(name);
2425 }
2426 #endif
2427 
2428 #ifdef TARGET_NR_ftruncate64
2429 static void
2430 print_ftruncate64(void *cpu_env, const struct syscallname *name,
2431                   abi_long arg0, abi_long arg1, abi_long arg2,
2432                   abi_long arg3, abi_long arg4, abi_long arg5)
2433 {
2434     print_syscall_prologue(name);
2435     print_raw_param("%d", arg0, 0);
2436     if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) {
2437         arg1 = arg2;
2438         arg2 = arg3;
2439     }
2440     print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1);
2441     print_syscall_epilogue(name);
2442 }
2443 #endif
2444 
2445 #ifdef TARGET_NR_mlockall
2446 static void
2447 print_mlockall(void *cpu_env, const struct syscallname *name,
2448                abi_long arg0, abi_long arg1, abi_long arg2,
2449                abi_long arg3, abi_long arg4, abi_long arg5)
2450 {
2451     print_syscall_prologue(name);
2452     print_flags(mlockall_flags, arg0, 1);
2453     print_syscall_epilogue(name);
2454 }
2455 #endif
2456 
2457 #if defined(TARGET_NR_socket)
2458 static void
2459 print_socket(void *cpu_env, const struct syscallname *name,
2460              abi_long arg0, abi_long arg1, abi_long arg2,
2461              abi_long arg3, abi_long arg4, abi_long arg5)
2462 {
2463     abi_ulong domain = arg0, type = arg1, protocol = arg2;
2464 
2465     print_syscall_prologue(name);
2466     print_socket_domain(domain);
2467     qemu_log(",");
2468     print_socket_type(type);
2469     qemu_log(",");
2470     if (domain == AF_PACKET ||
2471         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
2472         protocol = tswap16(protocol);
2473     }
2474     print_socket_protocol(domain, type, protocol);
2475     print_syscall_epilogue(name);
2476 }
2477 
2478 #endif
2479 
2480 #if defined(TARGET_NR_socketcall) || defined(TARGET_NR_bind)
2481 
2482 static void print_sockfd(abi_long sockfd, int last)
2483 {
2484     print_raw_param(TARGET_ABI_FMT_ld, sockfd, last);
2485 }
2486 
2487 #endif
2488 
2489 #if defined(TARGET_NR_socketcall)
2490 
2491 #define get_user_ualx(x, gaddr, idx) \
2492         get_user_ual(x, (gaddr) + (idx) * sizeof(abi_long))
2493 
2494 static void do_print_socket(const char *name, abi_long arg1)
2495 {
2496     abi_ulong domain, type, protocol;
2497 
2498     get_user_ualx(domain, arg1, 0);
2499     get_user_ualx(type, arg1, 1);
2500     get_user_ualx(protocol, arg1, 2);
2501     qemu_log("%s(", name);
2502     print_socket_domain(domain);
2503     qemu_log(",");
2504     print_socket_type(type);
2505     qemu_log(",");
2506     if (domain == AF_PACKET ||
2507         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
2508         protocol = tswap16(protocol);
2509     }
2510     print_socket_protocol(domain, type, protocol);
2511     qemu_log(")");
2512 }
2513 
2514 static void do_print_sockaddr(const char *name, abi_long arg1)
2515 {
2516     abi_ulong sockfd, addr, addrlen;
2517 
2518     get_user_ualx(sockfd, arg1, 0);
2519     get_user_ualx(addr, arg1, 1);
2520     get_user_ualx(addrlen, arg1, 2);
2521 
2522     qemu_log("%s(", name);
2523     print_sockfd(sockfd, 0);
2524     print_sockaddr(addr, addrlen, 0);
2525     qemu_log(")");
2526 }
2527 
2528 static void do_print_listen(const char *name, abi_long arg1)
2529 {
2530     abi_ulong sockfd, backlog;
2531 
2532     get_user_ualx(sockfd, arg1, 0);
2533     get_user_ualx(backlog, arg1, 1);
2534 
2535     qemu_log("%s(", name);
2536     print_sockfd(sockfd, 0);
2537     print_raw_param(TARGET_ABI_FMT_ld, backlog, 1);
2538     qemu_log(")");
2539 }
2540 
2541 static void do_print_socketpair(const char *name, abi_long arg1)
2542 {
2543     abi_ulong domain, type, protocol, tab;
2544 
2545     get_user_ualx(domain, arg1, 0);
2546     get_user_ualx(type, arg1, 1);
2547     get_user_ualx(protocol, arg1, 2);
2548     get_user_ualx(tab, arg1, 3);
2549 
2550     qemu_log("%s(", name);
2551     print_socket_domain(domain);
2552     qemu_log(",");
2553     print_socket_type(type);
2554     qemu_log(",");
2555     print_socket_protocol(domain, type, protocol);
2556     qemu_log(",");
2557     print_raw_param(TARGET_ABI_FMT_lx, tab, 1);
2558     qemu_log(")");
2559 }
2560 
2561 static void do_print_sendrecv(const char *name, abi_long arg1)
2562 {
2563     abi_ulong sockfd, msg, len, flags;
2564 
2565     get_user_ualx(sockfd, arg1, 0);
2566     get_user_ualx(msg, arg1, 1);
2567     get_user_ualx(len, arg1, 2);
2568     get_user_ualx(flags, arg1, 3);
2569 
2570     qemu_log("%s(", name);
2571     print_sockfd(sockfd, 0);
2572     print_buf(msg, len, 0);
2573     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
2574     print_flags(msg_flags, flags, 1);
2575     qemu_log(")");
2576 }
2577 
2578 static void do_print_msgaddr(const char *name, abi_long arg1)
2579 {
2580     abi_ulong sockfd, msg, len, flags, addr, addrlen;
2581 
2582     get_user_ualx(sockfd, arg1, 0);
2583     get_user_ualx(msg, arg1, 1);
2584     get_user_ualx(len, arg1, 2);
2585     get_user_ualx(flags, arg1, 3);
2586     get_user_ualx(addr, arg1, 4);
2587     get_user_ualx(addrlen, arg1, 5);
2588 
2589     qemu_log("%s(", name);
2590     print_sockfd(sockfd, 0);
2591     print_buf(msg, len, 0);
2592     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
2593     print_flags(msg_flags, flags, 0);
2594     print_sockaddr(addr, addrlen, 0);
2595     qemu_log(")");
2596 }
2597 
2598 static void do_print_shutdown(const char *name, abi_long arg1)
2599 {
2600     abi_ulong sockfd, how;
2601 
2602     get_user_ualx(sockfd, arg1, 0);
2603     get_user_ualx(how, arg1, 1);
2604 
2605     qemu_log("shutdown(");
2606     print_sockfd(sockfd, 0);
2607     switch (how) {
2608     case SHUT_RD:
2609         qemu_log("SHUT_RD");
2610         break;
2611     case SHUT_WR:
2612         qemu_log("SHUT_WR");
2613         break;
2614     case SHUT_RDWR:
2615         qemu_log("SHUT_RDWR");
2616         break;
2617     default:
2618         print_raw_param(TARGET_ABI_FMT_ld, how, 1);
2619         break;
2620     }
2621     qemu_log(")");
2622 }
2623 
2624 static void do_print_msg(const char *name, abi_long arg1)
2625 {
2626     abi_ulong sockfd, msg, flags;
2627 
2628     get_user_ualx(sockfd, arg1, 0);
2629     get_user_ualx(msg, arg1, 1);
2630     get_user_ualx(flags, arg1, 2);
2631 
2632     qemu_log("%s(", name);
2633     print_sockfd(sockfd, 0);
2634     print_pointer(msg, 0);
2635     print_flags(msg_flags, flags, 1);
2636     qemu_log(")");
2637 }
2638 
2639 static void do_print_sockopt(const char *name, abi_long arg1)
2640 {
2641     abi_ulong sockfd, level, optname, optval, optlen;
2642 
2643     get_user_ualx(sockfd, arg1, 0);
2644     get_user_ualx(level, arg1, 1);
2645     get_user_ualx(optname, arg1, 2);
2646     get_user_ualx(optval, arg1, 3);
2647     get_user_ualx(optlen, arg1, 4);
2648 
2649     qemu_log("%s(", name);
2650     print_sockfd(sockfd, 0);
2651     switch (level) {
2652     case SOL_TCP:
2653         qemu_log("SOL_TCP,");
2654         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2655         print_pointer(optval, 0);
2656         break;
2657     case SOL_UDP:
2658         qemu_log("SOL_UDP,");
2659         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2660         print_pointer(optval, 0);
2661         break;
2662     case SOL_IP:
2663         qemu_log("SOL_IP,");
2664         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2665         print_pointer(optval, 0);
2666         break;
2667     case SOL_RAW:
2668         qemu_log("SOL_RAW,");
2669         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2670         print_pointer(optval, 0);
2671         break;
2672     case TARGET_SOL_SOCKET:
2673         qemu_log("SOL_SOCKET,");
2674         switch (optname) {
2675         case TARGET_SO_DEBUG:
2676             qemu_log("SO_DEBUG,");
2677 print_optint:
2678             print_number(optval, 0);
2679             break;
2680         case TARGET_SO_REUSEADDR:
2681             qemu_log("SO_REUSEADDR,");
2682             goto print_optint;
2683         case TARGET_SO_REUSEPORT:
2684             qemu_log("SO_REUSEPORT,");
2685             goto print_optint;
2686         case TARGET_SO_TYPE:
2687             qemu_log("SO_TYPE,");
2688             goto print_optint;
2689         case TARGET_SO_ERROR:
2690             qemu_log("SO_ERROR,");
2691             goto print_optint;
2692         case TARGET_SO_DONTROUTE:
2693             qemu_log("SO_DONTROUTE,");
2694             goto print_optint;
2695         case TARGET_SO_BROADCAST:
2696             qemu_log("SO_BROADCAST,");
2697             goto print_optint;
2698         case TARGET_SO_SNDBUF:
2699             qemu_log("SO_SNDBUF,");
2700             goto print_optint;
2701         case TARGET_SO_RCVBUF:
2702             qemu_log("SO_RCVBUF,");
2703             goto print_optint;
2704         case TARGET_SO_KEEPALIVE:
2705             qemu_log("SO_KEEPALIVE,");
2706             goto print_optint;
2707         case TARGET_SO_OOBINLINE:
2708             qemu_log("SO_OOBINLINE,");
2709             goto print_optint;
2710         case TARGET_SO_NO_CHECK:
2711             qemu_log("SO_NO_CHECK,");
2712             goto print_optint;
2713         case TARGET_SO_PRIORITY:
2714             qemu_log("SO_PRIORITY,");
2715             goto print_optint;
2716         case TARGET_SO_BSDCOMPAT:
2717             qemu_log("SO_BSDCOMPAT,");
2718             goto print_optint;
2719         case TARGET_SO_PASSCRED:
2720             qemu_log("SO_PASSCRED,");
2721             goto print_optint;
2722         case TARGET_SO_TIMESTAMP:
2723             qemu_log("SO_TIMESTAMP,");
2724             goto print_optint;
2725         case TARGET_SO_RCVLOWAT:
2726             qemu_log("SO_RCVLOWAT,");
2727             goto print_optint;
2728         case TARGET_SO_RCVTIMEO:
2729             qemu_log("SO_RCVTIMEO,");
2730             print_timeval(optval, 0);
2731             break;
2732         case TARGET_SO_SNDTIMEO:
2733             qemu_log("SO_SNDTIMEO,");
2734             print_timeval(optval, 0);
2735             break;
2736         case TARGET_SO_ATTACH_FILTER: {
2737             struct target_sock_fprog *fprog;
2738 
2739             qemu_log("SO_ATTACH_FILTER,");
2740 
2741             if (lock_user_struct(VERIFY_READ, fprog, optval,  0)) {
2742                 struct target_sock_filter *filter;
2743                 qemu_log("{");
2744                 if (lock_user_struct(VERIFY_READ, filter,
2745                                      tswapal(fprog->filter),  0)) {
2746                     int i;
2747                     for (i = 0; i < tswap16(fprog->len) - 1; i++) {
2748                         qemu_log("[%d]{0x%x,%d,%d,0x%x},",
2749                                  i, tswap16(filter[i].code),
2750                                  filter[i].jt, filter[i].jf,
2751                                  tswap32(filter[i].k));
2752                     }
2753                     qemu_log("[%d]{0x%x,%d,%d,0x%x}",
2754                              i, tswap16(filter[i].code),
2755                              filter[i].jt, filter[i].jf,
2756                              tswap32(filter[i].k));
2757                 } else {
2758                     qemu_log(TARGET_ABI_FMT_lx, tswapal(fprog->filter));
2759                 }
2760                 qemu_log(",%d},", tswap16(fprog->len));
2761                 unlock_user(fprog, optval, 0);
2762             } else {
2763                 print_pointer(optval, 0);
2764             }
2765             break;
2766         }
2767         default:
2768             print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2769             print_pointer(optval, 0);
2770             break;
2771         }
2772         break;
2773     case SOL_IPV6:
2774         qemu_log("SOL_IPV6,");
2775         switch (optname) {
2776         case IPV6_MTU_DISCOVER:
2777             qemu_log("IPV6_MTU_DISCOVER,");
2778             goto print_optint;
2779         case IPV6_MTU:
2780             qemu_log("IPV6_MTU,");
2781             goto print_optint;
2782         case IPV6_V6ONLY:
2783             qemu_log("IPV6_V6ONLY,");
2784             goto print_optint;
2785         case IPV6_RECVPKTINFO:
2786             qemu_log("IPV6_RECVPKTINFO,");
2787             goto print_optint;
2788         case IPV6_UNICAST_HOPS:
2789             qemu_log("IPV6_UNICAST_HOPS,");
2790             goto print_optint;
2791         case IPV6_MULTICAST_HOPS:
2792             qemu_log("IPV6_MULTICAST_HOPS,");
2793             goto print_optint;
2794         case IPV6_MULTICAST_LOOP:
2795             qemu_log("IPV6_MULTICAST_LOOP,");
2796             goto print_optint;
2797         case IPV6_RECVERR:
2798             qemu_log("IPV6_RECVERR,");
2799             goto print_optint;
2800         case IPV6_RECVHOPLIMIT:
2801             qemu_log("IPV6_RECVHOPLIMIT,");
2802             goto print_optint;
2803         case IPV6_2292HOPLIMIT:
2804             qemu_log("IPV6_2292HOPLIMIT,");
2805             goto print_optint;
2806         case IPV6_CHECKSUM:
2807             qemu_log("IPV6_CHECKSUM,");
2808             goto print_optint;
2809         case IPV6_ADDRFORM:
2810             qemu_log("IPV6_ADDRFORM,");
2811             goto print_optint;
2812         case IPV6_2292PKTINFO:
2813             qemu_log("IPV6_2292PKTINFO,");
2814             goto print_optint;
2815         case IPV6_RECVTCLASS:
2816             qemu_log("IPV6_RECVTCLASS,");
2817             goto print_optint;
2818         case IPV6_RECVRTHDR:
2819             qemu_log("IPV6_RECVRTHDR,");
2820             goto print_optint;
2821         case IPV6_2292RTHDR:
2822             qemu_log("IPV6_2292RTHDR,");
2823             goto print_optint;
2824         case IPV6_RECVHOPOPTS:
2825             qemu_log("IPV6_RECVHOPOPTS,");
2826             goto print_optint;
2827         case IPV6_2292HOPOPTS:
2828             qemu_log("IPV6_2292HOPOPTS,");
2829             goto print_optint;
2830         case IPV6_RECVDSTOPTS:
2831             qemu_log("IPV6_RECVDSTOPTS,");
2832             goto print_optint;
2833         case IPV6_2292DSTOPTS:
2834             qemu_log("IPV6_2292DSTOPTS,");
2835             goto print_optint;
2836         case IPV6_TCLASS:
2837             qemu_log("IPV6_TCLASS,");
2838             goto print_optint;
2839         case IPV6_ADDR_PREFERENCES:
2840             qemu_log("IPV6_ADDR_PREFERENCES,");
2841             goto print_optint;
2842 #ifdef IPV6_RECVPATHMTU
2843         case IPV6_RECVPATHMTU:
2844             qemu_log("IPV6_RECVPATHMTU,");
2845             goto print_optint;
2846 #endif
2847 #ifdef IPV6_TRANSPARENT
2848         case IPV6_TRANSPARENT:
2849             qemu_log("IPV6_TRANSPARENT,");
2850             goto print_optint;
2851 #endif
2852 #ifdef IPV6_FREEBIND
2853         case IPV6_FREEBIND:
2854             qemu_log("IPV6_FREEBIND,");
2855             goto print_optint;
2856 #endif
2857 #ifdef IPV6_RECVORIGDSTADDR
2858         case IPV6_RECVORIGDSTADDR:
2859             qemu_log("IPV6_RECVORIGDSTADDR,");
2860             goto print_optint;
2861 #endif
2862         case IPV6_PKTINFO:
2863             qemu_log("IPV6_PKTINFO,");
2864             print_pointer(optval, 0);
2865             break;
2866         case IPV6_ADD_MEMBERSHIP:
2867             qemu_log("IPV6_ADD_MEMBERSHIP,");
2868             print_pointer(optval, 0);
2869             break;
2870         case IPV6_DROP_MEMBERSHIP:
2871             qemu_log("IPV6_DROP_MEMBERSHIP,");
2872             print_pointer(optval, 0);
2873             break;
2874         default:
2875             print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2876             print_pointer(optval, 0);
2877             break;
2878         }
2879         break;
2880     default:
2881         print_raw_param(TARGET_ABI_FMT_ld, level, 0);
2882         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2883         print_pointer(optval, 0);
2884         break;
2885     }
2886     print_raw_param(TARGET_ABI_FMT_ld, optlen, 1);
2887     qemu_log(")");
2888 }
2889 
2890 #define PRINT_SOCKOP(name, func) \
2891     [TARGET_SYS_##name] = { #name, func }
2892 
2893 static struct {
2894     const char *name;
2895     void (*print)(const char *, abi_long);
2896 } scall[] = {
2897     PRINT_SOCKOP(SOCKET, do_print_socket),
2898     PRINT_SOCKOP(BIND, do_print_sockaddr),
2899     PRINT_SOCKOP(CONNECT, do_print_sockaddr),
2900     PRINT_SOCKOP(LISTEN, do_print_listen),
2901     PRINT_SOCKOP(ACCEPT, do_print_sockaddr),
2902     PRINT_SOCKOP(GETSOCKNAME, do_print_sockaddr),
2903     PRINT_SOCKOP(GETPEERNAME, do_print_sockaddr),
2904     PRINT_SOCKOP(SOCKETPAIR, do_print_socketpair),
2905     PRINT_SOCKOP(SEND, do_print_sendrecv),
2906     PRINT_SOCKOP(RECV, do_print_sendrecv),
2907     PRINT_SOCKOP(SENDTO, do_print_msgaddr),
2908     PRINT_SOCKOP(RECVFROM, do_print_msgaddr),
2909     PRINT_SOCKOP(SHUTDOWN, do_print_shutdown),
2910     PRINT_SOCKOP(SETSOCKOPT, do_print_sockopt),
2911     PRINT_SOCKOP(GETSOCKOPT, do_print_sockopt),
2912     PRINT_SOCKOP(SENDMSG, do_print_msg),
2913     PRINT_SOCKOP(RECVMSG, do_print_msg),
2914     PRINT_SOCKOP(ACCEPT4, NULL),
2915     PRINT_SOCKOP(RECVMMSG, NULL),
2916     PRINT_SOCKOP(SENDMMSG, NULL),
2917 };
2918 
2919 static void
2920 print_socketcall(void *cpu_env, const struct syscallname *name,
2921                  abi_long arg0, abi_long arg1, abi_long arg2,
2922                  abi_long arg3, abi_long arg4, abi_long arg5)
2923 {
2924     if (arg0 >= 0 && arg0 < ARRAY_SIZE(scall) && scall[arg0].print) {
2925         scall[arg0].print(scall[arg0].name, arg1);
2926         return;
2927     }
2928     print_syscall_prologue(name);
2929     print_raw_param(TARGET_ABI_FMT_ld, arg0, 0);
2930     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
2931     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2932     print_raw_param(TARGET_ABI_FMT_ld, arg3, 0);
2933     print_raw_param(TARGET_ABI_FMT_ld, arg4, 0);
2934     print_raw_param(TARGET_ABI_FMT_ld, arg5, 0);
2935     print_syscall_epilogue(name);
2936 }
2937 #endif
2938 
2939 #if defined(TARGET_NR_bind)
2940 static void
2941 print_bind(void *cpu_env, const struct syscallname *name,
2942            abi_long arg0, abi_long arg1, abi_long arg2,
2943            abi_long arg3, abi_long arg4, abi_long arg5)
2944 {
2945     print_syscall_prologue(name);
2946     print_sockfd(arg0, 0);
2947     print_sockaddr(arg1, arg2, 1);
2948     print_syscall_epilogue(name);
2949 }
2950 #endif
2951 
2952 #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
2953     defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
2954 static void
2955 print_stat(void *cpu_env, const struct syscallname *name,
2956            abi_long arg0, abi_long arg1, abi_long arg2,
2957            abi_long arg3, abi_long arg4, abi_long arg5)
2958 {
2959     print_syscall_prologue(name);
2960     print_string(arg0, 0);
2961     print_pointer(arg1, 1);
2962     print_syscall_epilogue(name);
2963 }
2964 #define print_lstat     print_stat
2965 #define print_stat64	print_stat
2966 #define print_lstat64   print_stat
2967 #endif
2968 
2969 #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
2970 static void
2971 print_fstat(void *cpu_env, const struct syscallname *name,
2972             abi_long arg0, abi_long arg1, abi_long arg2,
2973             abi_long arg3, abi_long arg4, abi_long arg5)
2974 {
2975     print_syscall_prologue(name);
2976     print_raw_param("%d", arg0, 0);
2977     print_pointer(arg1, 1);
2978     print_syscall_epilogue(name);
2979 }
2980 #define print_fstat64     print_fstat
2981 #endif
2982 
2983 #ifdef TARGET_NR_mkdir
2984 static void
2985 print_mkdir(void *cpu_env, const struct syscallname *name,
2986             abi_long arg0, abi_long arg1, abi_long arg2,
2987             abi_long arg3, abi_long arg4, abi_long arg5)
2988 {
2989     print_syscall_prologue(name);
2990     print_string(arg0, 0);
2991     print_file_mode(arg1, 1);
2992     print_syscall_epilogue(name);
2993 }
2994 #endif
2995 
2996 #ifdef TARGET_NR_mkdirat
2997 static void
2998 print_mkdirat(void *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_at_dirfd(arg0, 0);
3004     print_string(arg1, 0);
3005     print_file_mode(arg2, 1);
3006     print_syscall_epilogue(name);
3007 }
3008 #endif
3009 
3010 #ifdef TARGET_NR_rmdir
3011 static void
3012 print_rmdir(void *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_syscall_epilogue(name);
3019 }
3020 #endif
3021 
3022 #ifdef TARGET_NR_rt_sigaction
3023 static void
3024 print_rt_sigaction(void *cpu_env, const struct syscallname *name,
3025                    abi_long arg0, abi_long arg1, abi_long arg2,
3026                    abi_long arg3, abi_long arg4, abi_long arg5)
3027 {
3028     print_syscall_prologue(name);
3029     print_signal(arg0, 0);
3030     print_pointer(arg1, 0);
3031     print_pointer(arg2, 1);
3032     print_syscall_epilogue(name);
3033 }
3034 #endif
3035 
3036 #ifdef TARGET_NR_rt_sigprocmask
3037 static void
3038 print_rt_sigprocmask(void *cpu_env, const struct syscallname *name,
3039                      abi_long arg0, abi_long arg1, abi_long arg2,
3040                      abi_long arg3, abi_long arg4, abi_long arg5)
3041 {
3042     const char *how = "UNKNOWN";
3043     print_syscall_prologue(name);
3044     switch(arg0) {
3045     case TARGET_SIG_BLOCK: how = "SIG_BLOCK"; break;
3046     case TARGET_SIG_UNBLOCK: how = "SIG_UNBLOCK"; break;
3047     case TARGET_SIG_SETMASK: how = "SIG_SETMASK"; break;
3048     }
3049     qemu_log("%s,", how);
3050     print_pointer(arg1, 0);
3051     print_pointer(arg2, 1);
3052     print_syscall_epilogue(name);
3053 }
3054 #endif
3055 
3056 #ifdef TARGET_NR_rt_sigqueueinfo
3057 static void
3058 print_rt_sigqueueinfo(void *cpu_env, const struct syscallname *name,
3059                       abi_long arg0, abi_long arg1, abi_long arg2,
3060                       abi_long arg3, abi_long arg4, abi_long arg5)
3061 {
3062     void *p;
3063     target_siginfo_t uinfo;
3064 
3065     print_syscall_prologue(name);
3066     print_raw_param("%d", arg0, 0);
3067     print_signal(arg1, 0);
3068     p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1);
3069     if (p) {
3070         get_target_siginfo(&uinfo, p);
3071         print_siginfo(&uinfo);
3072 
3073         unlock_user(p, arg2, 0);
3074     } else {
3075         print_pointer(arg2, 1);
3076     }
3077     print_syscall_epilogue(name);
3078 }
3079 #endif
3080 
3081 #ifdef TARGET_NR_rt_tgsigqueueinfo
3082 static void
3083 print_rt_tgsigqueueinfo(void *cpu_env, const struct syscallname *name,
3084                         abi_long arg0, abi_long arg1, abi_long arg2,
3085                         abi_long arg3, abi_long arg4, abi_long arg5)
3086 {
3087     void *p;
3088     target_siginfo_t uinfo;
3089 
3090     print_syscall_prologue(name);
3091     print_raw_param("%d", arg0, 0);
3092     print_raw_param("%d", arg1, 0);
3093     print_signal(arg2, 0);
3094     p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
3095     if (p) {
3096         get_target_siginfo(&uinfo, p);
3097         print_siginfo(&uinfo);
3098 
3099         unlock_user(p, arg3, 0);
3100     } else {
3101         print_pointer(arg3, 1);
3102     }
3103     print_syscall_epilogue(name);
3104 }
3105 #endif
3106 
3107 #ifdef TARGET_NR_syslog
3108 static void
3109 print_syslog_action(abi_ulong arg, int last)
3110 {
3111     const char *type;
3112 
3113     switch (arg) {
3114         case TARGET_SYSLOG_ACTION_CLOSE: {
3115             type = "SYSLOG_ACTION_CLOSE";
3116             break;
3117         }
3118         case TARGET_SYSLOG_ACTION_OPEN: {
3119             type = "SYSLOG_ACTION_OPEN";
3120             break;
3121         }
3122         case TARGET_SYSLOG_ACTION_READ: {
3123             type = "SYSLOG_ACTION_READ";
3124             break;
3125         }
3126         case TARGET_SYSLOG_ACTION_READ_ALL: {
3127             type = "SYSLOG_ACTION_READ_ALL";
3128             break;
3129         }
3130         case TARGET_SYSLOG_ACTION_READ_CLEAR: {
3131             type = "SYSLOG_ACTION_READ_CLEAR";
3132             break;
3133         }
3134         case TARGET_SYSLOG_ACTION_CLEAR: {
3135             type = "SYSLOG_ACTION_CLEAR";
3136             break;
3137         }
3138         case TARGET_SYSLOG_ACTION_CONSOLE_OFF: {
3139             type = "SYSLOG_ACTION_CONSOLE_OFF";
3140             break;
3141         }
3142         case TARGET_SYSLOG_ACTION_CONSOLE_ON: {
3143             type = "SYSLOG_ACTION_CONSOLE_ON";
3144             break;
3145         }
3146         case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: {
3147             type = "SYSLOG_ACTION_CONSOLE_LEVEL";
3148             break;
3149         }
3150         case TARGET_SYSLOG_ACTION_SIZE_UNREAD: {
3151             type = "SYSLOG_ACTION_SIZE_UNREAD";
3152             break;
3153         }
3154         case TARGET_SYSLOG_ACTION_SIZE_BUFFER: {
3155             type = "SYSLOG_ACTION_SIZE_BUFFER";
3156             break;
3157         }
3158         default: {
3159             print_raw_param("%ld", arg, last);
3160             return;
3161         }
3162     }
3163     qemu_log("%s%s", type, get_comma(last));
3164 }
3165 
3166 static void
3167 print_syslog(void *cpu_env, const struct syscallname *name,
3168              abi_long arg0, abi_long arg1, abi_long arg2,
3169              abi_long arg3, abi_long arg4, abi_long arg5)
3170 {
3171     print_syscall_prologue(name);
3172     print_syslog_action(arg0, 0);
3173     print_pointer(arg1, 0);
3174     print_raw_param("%d", arg2, 1);
3175     print_syscall_epilogue(name);
3176 }
3177 #endif
3178 
3179 #ifdef TARGET_NR_mknod
3180 static void
3181 print_mknod(void *cpu_env, const struct syscallname *name,
3182             abi_long arg0, abi_long arg1, abi_long arg2,
3183             abi_long arg3, abi_long arg4, abi_long arg5)
3184 {
3185     int hasdev = (arg1 & (S_IFCHR|S_IFBLK));
3186 
3187     print_syscall_prologue(name);
3188     print_string(arg0, 0);
3189     print_file_mode(arg1, (hasdev == 0));
3190     if (hasdev) {
3191         print_raw_param("makedev(%d", major(arg2), 0);
3192         print_raw_param("%d)", minor(arg2), 1);
3193     }
3194     print_syscall_epilogue(name);
3195 }
3196 #endif
3197 
3198 #ifdef TARGET_NR_mknodat
3199 static void
3200 print_mknodat(void *cpu_env, const struct syscallname *name,
3201               abi_long arg0, abi_long arg1, abi_long arg2,
3202               abi_long arg3, abi_long arg4, abi_long arg5)
3203 {
3204     int hasdev = (arg2 & (S_IFCHR|S_IFBLK));
3205 
3206     print_syscall_prologue(name);
3207     print_at_dirfd(arg0, 0);
3208     print_string(arg1, 0);
3209     print_file_mode(arg2, (hasdev == 0));
3210     if (hasdev) {
3211         print_raw_param("makedev(%d", major(arg3), 0);
3212         print_raw_param("%d)", minor(arg3), 1);
3213     }
3214     print_syscall_epilogue(name);
3215 }
3216 #endif
3217 
3218 #ifdef TARGET_NR_mq_open
3219 static void
3220 print_mq_open(void *cpu_env, const struct syscallname *name,
3221               abi_long arg0, abi_long arg1, abi_long arg2,
3222               abi_long arg3, abi_long arg4, abi_long arg5)
3223 {
3224     int is_creat = (arg1 & TARGET_O_CREAT);
3225 
3226     print_syscall_prologue(name);
3227     print_string(arg0, 0);
3228     print_open_flags(arg1, (is_creat == 0));
3229     if (is_creat) {
3230         print_file_mode(arg2, 0);
3231         print_pointer(arg3, 1);
3232     }
3233     print_syscall_epilogue(name);
3234 }
3235 #endif
3236 
3237 #ifdef TARGET_NR_open
3238 static void
3239 print_open(void *cpu_env, const struct syscallname *name,
3240            abi_long arg0, abi_long arg1, abi_long arg2,
3241            abi_long arg3, abi_long arg4, abi_long arg5)
3242 {
3243     int is_creat = (arg1 & TARGET_O_CREAT);
3244 
3245     print_syscall_prologue(name);
3246     print_string(arg0, 0);
3247     print_open_flags(arg1, (is_creat == 0));
3248     if (is_creat)
3249         print_file_mode(arg2, 1);
3250     print_syscall_epilogue(name);
3251 }
3252 #endif
3253 
3254 #ifdef TARGET_NR_openat
3255 static void
3256 print_openat(void *cpu_env, const struct syscallname *name,
3257              abi_long arg0, abi_long arg1, abi_long arg2,
3258              abi_long arg3, abi_long arg4, abi_long arg5)
3259 {
3260     int is_creat = (arg2 & TARGET_O_CREAT);
3261 
3262     print_syscall_prologue(name);
3263     print_at_dirfd(arg0, 0);
3264     print_string(arg1, 0);
3265     print_open_flags(arg2, (is_creat == 0));
3266     if (is_creat)
3267         print_file_mode(arg3, 1);
3268     print_syscall_epilogue(name);
3269 }
3270 #endif
3271 
3272 #ifdef TARGET_NR_mq_unlink
3273 static void
3274 print_mq_unlink(void *cpu_env, const struct syscallname *name,
3275                 abi_long arg0, abi_long arg1, abi_long arg2,
3276                 abi_long arg3, abi_long arg4, abi_long arg5)
3277 {
3278     print_syscall_prologue(name);
3279     print_string(arg0, 1);
3280     print_syscall_epilogue(name);
3281 }
3282 #endif
3283 
3284 #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
3285 static void
3286 print_fstatat64(void *cpu_env, const struct syscallname *name,
3287                 abi_long arg0, abi_long arg1, abi_long arg2,
3288                 abi_long arg3, abi_long arg4, abi_long arg5)
3289 {
3290     print_syscall_prologue(name);
3291     print_at_dirfd(arg0, 0);
3292     print_string(arg1, 0);
3293     print_pointer(arg2, 0);
3294     print_flags(at_file_flags, arg3, 1);
3295     print_syscall_epilogue(name);
3296 }
3297 #define print_newfstatat    print_fstatat64
3298 #endif
3299 
3300 #ifdef TARGET_NR_readlink
3301 static void
3302 print_readlink(void *cpu_env, const struct syscallname *name,
3303                abi_long arg0, abi_long arg1, abi_long arg2,
3304                abi_long arg3, abi_long arg4, abi_long arg5)
3305 {
3306     print_syscall_prologue(name);
3307     print_string(arg0, 0);
3308     print_pointer(arg1, 0);
3309     print_raw_param("%u", arg2, 1);
3310     print_syscall_epilogue(name);
3311 }
3312 #endif
3313 
3314 #ifdef TARGET_NR_readlinkat
3315 static void
3316 print_readlinkat(void *cpu_env, const struct syscallname *name,
3317                  abi_long arg0, abi_long arg1, abi_long arg2,
3318                  abi_long arg3, abi_long arg4, abi_long arg5)
3319 {
3320     print_syscall_prologue(name);
3321     print_at_dirfd(arg0, 0);
3322     print_string(arg1, 0);
3323     print_pointer(arg2, 0);
3324     print_raw_param("%u", arg3, 1);
3325     print_syscall_epilogue(name);
3326 }
3327 #endif
3328 
3329 #ifdef TARGET_NR_rename
3330 static void
3331 print_rename(void *cpu_env, const struct syscallname *name,
3332              abi_long arg0, abi_long arg1, abi_long arg2,
3333              abi_long arg3, abi_long arg4, abi_long arg5)
3334 {
3335     print_syscall_prologue(name);
3336     print_string(arg0, 0);
3337     print_string(arg1, 1);
3338     print_syscall_epilogue(name);
3339 }
3340 #endif
3341 
3342 #ifdef TARGET_NR_renameat
3343 static void
3344 print_renameat(void *cpu_env, const struct syscallname *name,
3345                abi_long arg0, abi_long arg1, abi_long arg2,
3346                abi_long arg3, abi_long arg4, abi_long arg5)
3347 {
3348     print_syscall_prologue(name);
3349     print_at_dirfd(arg0, 0);
3350     print_string(arg1, 0);
3351     print_at_dirfd(arg2, 0);
3352     print_string(arg3, 1);
3353     print_syscall_epilogue(name);
3354 }
3355 #endif
3356 
3357 #ifdef TARGET_NR_statfs
3358 static void
3359 print_statfs(void *cpu_env, const struct syscallname *name,
3360              abi_long arg0, abi_long arg1, abi_long arg2,
3361              abi_long arg3, abi_long arg4, abi_long arg5)
3362 {
3363     print_syscall_prologue(name);
3364     print_string(arg0, 0);
3365     print_pointer(arg1, 1);
3366     print_syscall_epilogue(name);
3367 }
3368 #endif
3369 
3370 #ifdef TARGET_NR_statfs64
3371 static void
3372 print_statfs64(void *cpu_env, const struct syscallname *name,
3373                abi_long arg0, abi_long arg1, abi_long arg2,
3374                abi_long arg3, abi_long arg4, abi_long arg5)
3375 {
3376     print_syscall_prologue(name);
3377     print_string(arg0, 0);
3378     print_pointer(arg1, 1);
3379     print_syscall_epilogue(name);
3380 }
3381 #endif
3382 
3383 #ifdef TARGET_NR_symlink
3384 static void
3385 print_symlink(void *cpu_env, const struct syscallname *name,
3386               abi_long arg0, abi_long arg1, abi_long arg2,
3387               abi_long arg3, abi_long arg4, abi_long arg5)
3388 {
3389     print_syscall_prologue(name);
3390     print_string(arg0, 0);
3391     print_string(arg1, 1);
3392     print_syscall_epilogue(name);
3393 }
3394 #endif
3395 
3396 #ifdef TARGET_NR_symlinkat
3397 static void
3398 print_symlinkat(void *cpu_env, const struct syscallname *name,
3399                 abi_long arg0, abi_long arg1, abi_long arg2,
3400                 abi_long arg3, abi_long arg4, abi_long arg5)
3401 {
3402     print_syscall_prologue(name);
3403     print_string(arg0, 0);
3404     print_at_dirfd(arg1, 0);
3405     print_string(arg2, 1);
3406     print_syscall_epilogue(name);
3407 }
3408 #endif
3409 
3410 #ifdef TARGET_NR_mount
3411 static void
3412 print_mount(void *cpu_env, const struct syscallname *name,
3413             abi_long arg0, abi_long arg1, abi_long arg2,
3414             abi_long arg3, abi_long arg4, abi_long arg5)
3415 {
3416     print_syscall_prologue(name);
3417     print_string(arg0, 0);
3418     print_string(arg1, 0);
3419     print_string(arg2, 0);
3420     print_flags(mount_flags, arg3, 0);
3421     print_pointer(arg4, 1);
3422     print_syscall_epilogue(name);
3423 }
3424 #endif
3425 
3426 #ifdef TARGET_NR_umount
3427 static void
3428 print_umount(void *cpu_env, const struct syscallname *name,
3429              abi_long arg0, abi_long arg1, abi_long arg2,
3430              abi_long arg3, abi_long arg4, abi_long arg5)
3431 {
3432     print_syscall_prologue(name);
3433     print_string(arg0, 1);
3434     print_syscall_epilogue(name);
3435 }
3436 #endif
3437 
3438 #ifdef TARGET_NR_umount2
3439 static void
3440 print_umount2(void *cpu_env, const struct syscallname *name,
3441               abi_long arg0, abi_long arg1, abi_long arg2,
3442               abi_long arg3, abi_long arg4, abi_long arg5)
3443 {
3444     print_syscall_prologue(name);
3445     print_string(arg0, 0);
3446     print_flags(umount2_flags, arg1, 1);
3447     print_syscall_epilogue(name);
3448 }
3449 #endif
3450 
3451 #ifdef TARGET_NR_unlink
3452 static void
3453 print_unlink(void *cpu_env, const struct syscallname *name,
3454              abi_long arg0, abi_long arg1, abi_long arg2,
3455              abi_long arg3, abi_long arg4, abi_long arg5)
3456 {
3457     print_syscall_prologue(name);
3458     print_string(arg0, 1);
3459     print_syscall_epilogue(name);
3460 }
3461 #endif
3462 
3463 #ifdef TARGET_NR_unlinkat
3464 static void
3465 print_unlinkat(void *cpu_env, const struct syscallname *name,
3466                abi_long arg0, abi_long arg1, abi_long arg2,
3467                abi_long arg3, abi_long arg4, abi_long arg5)
3468 {
3469     print_syscall_prologue(name);
3470     print_at_dirfd(arg0, 0);
3471     print_string(arg1, 0);
3472     print_flags(unlinkat_flags, arg2, 1);
3473     print_syscall_epilogue(name);
3474 }
3475 #endif
3476 
3477 #ifdef TARGET_NR_unshare
3478 static void
3479 print_unshare(void *cpu_env, const struct syscallname *name,
3480               abi_long arg0, abi_long arg1, abi_long arg2,
3481               abi_long arg3, abi_long arg4, abi_long arg5)
3482 {
3483     print_syscall_prologue(name);
3484     print_flags(clone_flags, arg0, 1);
3485     print_syscall_epilogue(name);
3486 }
3487 #endif
3488 
3489 #ifdef TARGET_NR_utime
3490 static void
3491 print_utime(void *cpu_env, const struct syscallname *name,
3492             abi_long arg0, abi_long arg1, abi_long arg2,
3493             abi_long arg3, abi_long arg4, abi_long arg5)
3494 {
3495     print_syscall_prologue(name);
3496     print_string(arg0, 0);
3497     print_pointer(arg1, 1);
3498     print_syscall_epilogue(name);
3499 }
3500 #endif
3501 
3502 #ifdef TARGET_NR_utimes
3503 static void
3504 print_utimes(void *cpu_env, const struct syscallname *name,
3505              abi_long arg0, abi_long arg1, abi_long arg2,
3506              abi_long arg3, abi_long arg4, abi_long arg5)
3507 {
3508     print_syscall_prologue(name);
3509     print_string(arg0, 0);
3510     print_pointer(arg1, 1);
3511     print_syscall_epilogue(name);
3512 }
3513 #endif
3514 
3515 #ifdef TARGET_NR_utimensat
3516 static void
3517 print_utimensat(void *cpu_env, const struct syscallname *name,
3518                 abi_long arg0, abi_long arg1, abi_long arg2,
3519                 abi_long arg3, abi_long arg4, abi_long arg5)
3520 {
3521     print_syscall_prologue(name);
3522     print_at_dirfd(arg0, 0);
3523     print_string(arg1, 0);
3524     print_pointer(arg2, 0);
3525     print_flags(at_file_flags, arg3, 1);
3526     print_syscall_epilogue(name);
3527 }
3528 #endif
3529 
3530 #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2)
3531 static void
3532 print_mmap(void *cpu_env, const struct syscallname *name,
3533            abi_long arg0, abi_long arg1, abi_long arg2,
3534            abi_long arg3, abi_long arg4, abi_long arg5)
3535 {
3536     print_syscall_prologue(name);
3537     print_pointer(arg0, 0);
3538     print_raw_param("%d", arg1, 0);
3539     print_flags(mmap_prot_flags, arg2, 0);
3540     print_flags(mmap_flags, arg3, 0);
3541     print_raw_param("%d", arg4, 0);
3542     print_raw_param("%#x", arg5, 1);
3543     print_syscall_epilogue(name);
3544 }
3545 #define print_mmap2     print_mmap
3546 #endif
3547 
3548 #ifdef TARGET_NR_mprotect
3549 static void
3550 print_mprotect(void *cpu_env, const struct syscallname *name,
3551                abi_long arg0, abi_long arg1, abi_long arg2,
3552                abi_long arg3, abi_long arg4, abi_long arg5)
3553 {
3554     print_syscall_prologue(name);
3555     print_pointer(arg0, 0);
3556     print_raw_param("%d", arg1, 0);
3557     print_flags(mmap_prot_flags, arg2, 1);
3558     print_syscall_epilogue(name);
3559 }
3560 #endif
3561 
3562 #ifdef TARGET_NR_munmap
3563 static void
3564 print_munmap(void *cpu_env, const struct syscallname *name,
3565              abi_long arg0, abi_long arg1, abi_long arg2,
3566              abi_long arg3, abi_long arg4, abi_long arg5)
3567 {
3568     print_syscall_prologue(name);
3569     print_pointer(arg0, 0);
3570     print_raw_param("%d", arg1, 1);
3571     print_syscall_epilogue(name);
3572 }
3573 #endif
3574 
3575 #ifdef TARGET_NR_futex
3576 static void print_futex_op(abi_long tflag, int last)
3577 {
3578 #define print_op(val) \
3579 if( cmd == val ) { \
3580     qemu_log(#val); \
3581     return; \
3582 }
3583 
3584     int cmd = (int)tflag;
3585 #ifdef FUTEX_PRIVATE_FLAG
3586     if (cmd & FUTEX_PRIVATE_FLAG) {
3587         qemu_log("FUTEX_PRIVATE_FLAG|");
3588         cmd &= ~FUTEX_PRIVATE_FLAG;
3589     }
3590 #endif
3591 #ifdef FUTEX_CLOCK_REALTIME
3592     if (cmd & FUTEX_CLOCK_REALTIME) {
3593         qemu_log("FUTEX_CLOCK_REALTIME|");
3594         cmd &= ~FUTEX_CLOCK_REALTIME;
3595     }
3596 #endif
3597     print_op(FUTEX_WAIT)
3598     print_op(FUTEX_WAKE)
3599     print_op(FUTEX_FD)
3600     print_op(FUTEX_REQUEUE)
3601     print_op(FUTEX_CMP_REQUEUE)
3602     print_op(FUTEX_WAKE_OP)
3603     print_op(FUTEX_LOCK_PI)
3604     print_op(FUTEX_UNLOCK_PI)
3605     print_op(FUTEX_TRYLOCK_PI)
3606 #ifdef FUTEX_WAIT_BITSET
3607     print_op(FUTEX_WAIT_BITSET)
3608 #endif
3609 #ifdef FUTEX_WAKE_BITSET
3610     print_op(FUTEX_WAKE_BITSET)
3611 #endif
3612     /* unknown values */
3613     qemu_log("%d", cmd);
3614 }
3615 
3616 static void
3617 print_futex(void *cpu_env, const struct syscallname *name,
3618             abi_long arg0, abi_long arg1, abi_long arg2,
3619             abi_long arg3, abi_long arg4, abi_long arg5)
3620 {
3621     print_syscall_prologue(name);
3622     print_pointer(arg0, 0);
3623     print_futex_op(arg1, 0);
3624     print_raw_param(",%d", arg2, 0);
3625     print_pointer(arg3, 0); /* struct timespec */
3626     print_pointer(arg4, 0);
3627     print_raw_param("%d", arg4, 1);
3628     print_syscall_epilogue(name);
3629 }
3630 #endif
3631 
3632 #ifdef TARGET_NR_kill
3633 static void
3634 print_kill(void *cpu_env, const struct syscallname *name,
3635            abi_long arg0, abi_long arg1, abi_long arg2,
3636            abi_long arg3, abi_long arg4, abi_long arg5)
3637 {
3638     print_syscall_prologue(name);
3639     print_raw_param("%d", arg0, 0);
3640     print_signal(arg1, 1);
3641     print_syscall_epilogue(name);
3642 }
3643 #endif
3644 
3645 #ifdef TARGET_NR_tkill
3646 static void
3647 print_tkill(void *cpu_env, const struct syscallname *name,
3648             abi_long arg0, abi_long arg1, abi_long arg2,
3649             abi_long arg3, abi_long arg4, abi_long arg5)
3650 {
3651     print_syscall_prologue(name);
3652     print_raw_param("%d", arg0, 0);
3653     print_signal(arg1, 1);
3654     print_syscall_epilogue(name);
3655 }
3656 #endif
3657 
3658 #ifdef TARGET_NR_tgkill
3659 static void
3660 print_tgkill(void *cpu_env, const struct syscallname *name,
3661              abi_long arg0, abi_long arg1, abi_long arg2,
3662              abi_long arg3, abi_long arg4, abi_long arg5)
3663 {
3664     print_syscall_prologue(name);
3665     print_raw_param("%d", arg0, 0);
3666     print_raw_param("%d", arg1, 0);
3667     print_signal(arg2, 1);
3668     print_syscall_epilogue(name);
3669 }
3670 #endif
3671 
3672 #ifdef TARGET_NR_statx
3673 static void
3674 print_statx(void *cpu_env, const struct syscallname *name,
3675             abi_long arg0, abi_long arg1, abi_long arg2,
3676             abi_long arg3, abi_long arg4, abi_long arg5)
3677 {
3678     print_syscall_prologue(name);
3679     print_at_dirfd(arg0, 0);
3680     print_string(arg1, 0);
3681     print_flags(statx_flags, arg2, 0);
3682     print_flags(statx_mask, arg3, 0);
3683     print_pointer(arg4, 1);
3684     print_syscall_epilogue(name);
3685 }
3686 #endif
3687 
3688 #ifdef TARGET_NR_ioctl
3689 static void
3690 print_ioctl(void *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_raw_param("%d", arg0, 0);
3696 
3697     const IOCTLEntry *ie;
3698     const argtype *arg_type;
3699     void *argptr;
3700     int target_size;
3701 
3702     for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
3703         if (ie->target_cmd == arg1) {
3704             break;
3705         }
3706     }
3707 
3708     if (ie->target_cmd == 0) {
3709         print_raw_param("%#x", arg1, 0);
3710         print_raw_param("%#x", arg2, 1);
3711     } else {
3712         qemu_log("%s", ie->name);
3713         arg_type = ie->arg_type;
3714 
3715         if (arg_type[0] != TYPE_NULL) {
3716             qemu_log(",");
3717 
3718             switch (arg_type[0]) {
3719             case TYPE_PTRVOID:
3720                 print_pointer(arg2, 1);
3721                 break;
3722             case TYPE_CHAR:
3723             case TYPE_SHORT:
3724             case TYPE_INT:
3725                 print_raw_param("%d", arg2, 1);
3726                 break;
3727             case TYPE_LONG:
3728                 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
3729                 break;
3730             case TYPE_ULONG:
3731                 print_raw_param(TARGET_ABI_FMT_lu, arg2, 1);
3732                 break;
3733             case TYPE_PTR:
3734                 switch (ie->access) {
3735                 case IOC_R:
3736                     print_pointer(arg2, 1);
3737                     break;
3738                 case IOC_W:
3739                 case IOC_RW:
3740                     arg_type++;
3741                     target_size = thunk_type_size(arg_type, 0);
3742                     argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
3743                     if (argptr) {
3744                         thunk_print(argptr, arg_type);
3745                         unlock_user(argptr, arg2, target_size);
3746                     } else {
3747                         print_pointer(arg2, 1);
3748                     }
3749                     break;
3750                 }
3751                 break;
3752             default:
3753                 g_assert_not_reached();
3754             }
3755         }
3756     }
3757     print_syscall_epilogue(name);
3758 }
3759 #endif
3760 
3761 /*
3762  * An array of all of the syscalls we know about
3763  */
3764 
3765 static const struct syscallname scnames[] = {
3766 #include "strace.list"
3767 };
3768 
3769 static int nsyscalls = ARRAY_SIZE(scnames);
3770 
3771 /*
3772  * The public interface to this module.
3773  */
3774 void
3775 print_syscall(void *cpu_env, int num,
3776               abi_long arg1, abi_long arg2, abi_long arg3,
3777               abi_long arg4, abi_long arg5, abi_long arg6)
3778 {
3779     int i;
3780     const char *format="%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")";
3781 
3782     qemu_log("%d ", getpid());
3783 
3784     for(i=0;i<nsyscalls;i++)
3785         if( scnames[i].nr == num ) {
3786             if( scnames[i].call != NULL ) {
3787                 scnames[i].call(
3788                     cpu_env, &scnames[i], arg1, arg2, arg3, arg4, arg5, arg6);
3789             } else {
3790                 /* XXX: this format system is broken because it uses
3791                    host types and host pointers for strings */
3792                 if( scnames[i].format != NULL )
3793                     format = scnames[i].format;
3794                 qemu_log(format,
3795                          scnames[i].name, arg1, arg2, arg3, arg4, arg5, arg6);
3796             }
3797             return;
3798         }
3799     qemu_log("Unknown syscall %d\n", num);
3800 }
3801 
3802 
3803 void
3804 print_syscall_ret(void *cpu_env, int num, abi_long ret,
3805                   abi_long arg1, abi_long arg2, abi_long arg3,
3806                   abi_long arg4, abi_long arg5, abi_long arg6)
3807 {
3808     int i;
3809 
3810     for(i=0;i<nsyscalls;i++)
3811         if( scnames[i].nr == num ) {
3812             if( scnames[i].result != NULL ) {
3813                 scnames[i].result(cpu_env, &scnames[i], ret,
3814                                   arg1, arg2, arg3,
3815                                   arg4, arg5, arg6);
3816             } else {
3817                 if (!print_syscall_err(ret)) {
3818                     qemu_log(TARGET_ABI_FMT_ld, ret);
3819                 }
3820                 qemu_log("\n");
3821             }
3822             break;
3823         }
3824 }
3825 
3826 void print_taken_signal(int target_signum, const target_siginfo_t *tinfo)
3827 {
3828     /* Print the strace output for a signal being taken:
3829      * --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=0} ---
3830      */
3831     qemu_log("--- ");
3832     print_signal(target_signum, 1);
3833     qemu_log(" ");
3834     print_siginfo(tinfo);
3835     qemu_log(" ---\n");
3836 }
3837