xref: /openbmc/qemu/linux-user/strace.c (revision d481cec7)
1 #include "qemu/osdep.h"
2 
3 #include <sys/ipc.h>
4 #include <sys/msg.h>
5 #include <sys/sem.h>
6 #include <sys/shm.h>
7 #include <sys/select.h>
8 #include <sys/mount.h>
9 #include <arpa/inet.h>
10 #include <netinet/in.h>
11 #include <netinet/tcp.h>
12 #include <netinet/udp.h>
13 #include <linux/if_packet.h>
14 #include <linux/in6.h>
15 #include <linux/netlink.h>
16 #ifdef HAVE_OPENAT2_H
17 #include <linux/openat2.h>
18 #endif
19 #include <sched.h>
20 #include "qemu.h"
21 #include "user-internals.h"
22 #include "strace.h"
23 #include "signal-common.h"
24 #include "target_mman.h"
25 
26 struct syscallname {
27     int nr;
28     const char *name;
29     const char *format;
30     void (*call)(CPUArchState *, const struct syscallname *,
31                  abi_long, abi_long, abi_long,
32                  abi_long, abi_long, abi_long);
33     void (*result)(CPUArchState *, const struct syscallname *, abi_long,
34                    abi_long, abi_long, abi_long,
35                    abi_long, abi_long, abi_long);
36 };
37 
38 /*
39  * It is possible that target doesn't have syscall that uses
40  * following flags but we don't want the compiler to warn
41  * us about them being unused.  Same applies to utility print
42  * functions.  It is ok to keep them while not used.
43  */
44 #define UNUSED __attribute__ ((unused))
45 
46 /*
47  * Structure used to translate flag values into strings.  This is
48  * similar that is in the actual strace tool.
49  */
50 struct flags {
51     abi_long    f_value;  /* flag */
52     abi_long    f_mask;   /* mask */
53     const char  *f_string; /* stringified flag */
54 };
55 
56 /* No 'struct flags' element should have a zero mask. */
57 #define FLAG_BASIC(V, M, N)      { V, M | QEMU_BUILD_BUG_ON_ZERO(!(M)), N }
58 
59 /* common flags for all architectures */
60 #define FLAG_GENERIC_MASK(V, M)  FLAG_BASIC(V, M, #V)
61 #define FLAG_GENERIC(V)          FLAG_BASIC(V, V, #V)
62 /* target specific flags (syscall_defs.h has TARGET_<flag>) */
63 #define FLAG_TARGET_MASK(V, M)   FLAG_BASIC(TARGET_##V, TARGET_##M, #V)
64 #define FLAG_TARGET(V)           FLAG_BASIC(TARGET_##V, TARGET_##V, #V)
65 /* end of flags array */
66 #define FLAG_END           { 0, 0, NULL }
67 
68 /* Structure used to translate enumerated values into strings */
69 struct enums {
70     abi_long    e_value;   /* enum value */
71     const char  *e_string; /* stringified enum */
72 };
73 
74 /* common enums for all architectures */
75 #define ENUM_GENERIC(name) { name, #name }
76 /* target specific enums */
77 #define ENUM_TARGET(name)  { TARGET_ ## name, #name }
78 /* end of enums array */
79 #define ENUM_END           { 0, NULL }
80 
81 UNUSED static const char *get_comma(int);
82 UNUSED static void print_pointer(abi_long, int);
83 UNUSED static void print_flags(const struct flags *, abi_long, int);
84 UNUSED static void print_enums(const struct enums *, abi_long, int);
85 UNUSED static void print_at_dirfd(abi_long, int);
86 UNUSED static void print_file_mode(abi_long, int);
87 UNUSED static void print_open_flags(abi_long, int);
88 UNUSED static void print_syscall_prologue(const struct syscallname *);
89 UNUSED static void print_syscall_epilogue(const struct syscallname *);
90 UNUSED static void print_string(abi_long, int);
91 UNUSED static void print_buf(abi_long addr, abi_long len, int last);
92 UNUSED static void print_raw_param(const char *, abi_long, int);
93 UNUSED static void print_raw_param64(const char *, long long, int last);
94 UNUSED static void print_timeval(abi_ulong, int);
95 UNUSED static void print_timespec(abi_ulong, int);
96 UNUSED static void print_timespec64(abi_ulong, int);
97 UNUSED static void print_timezone(abi_ulong, int);
98 UNUSED static void print_itimerval(abi_ulong, int);
99 UNUSED static void print_number(abi_long, int);
100 UNUSED static void print_signal(abi_ulong, int);
101 UNUSED static void print_sockaddr(abi_ulong, abi_long, int);
102 UNUSED static void print_socket_domain(int domain);
103 UNUSED static void print_socket_type(int type);
104 UNUSED static void print_socket_protocol(int domain, int type, int protocol);
105 
106 /*
107  * Utility functions
108  */
109 static void
110 print_ipc_cmd(int cmd)
111 {
112 #define output_cmd(val) \
113 if( cmd == val ) { \
114     qemu_log(#val); \
115     return; \
116 }
117 
118     cmd &= 0xff;
119 
120     /* General IPC commands */
121     output_cmd( IPC_RMID );
122     output_cmd( IPC_SET );
123     output_cmd( IPC_STAT );
124     output_cmd( IPC_INFO );
125     /* msgctl() commands */
126     output_cmd( MSG_STAT );
127     output_cmd( MSG_INFO );
128     /* shmctl() commands */
129     output_cmd( SHM_LOCK );
130     output_cmd( SHM_UNLOCK );
131     output_cmd( SHM_STAT );
132     output_cmd( SHM_INFO );
133     /* semctl() commands */
134     output_cmd( GETPID );
135     output_cmd( GETVAL );
136     output_cmd( GETALL );
137     output_cmd( GETNCNT );
138     output_cmd( GETZCNT );
139     output_cmd( SETVAL );
140     output_cmd( SETALL );
141     output_cmd( SEM_STAT );
142     output_cmd( SEM_INFO );
143     output_cmd( IPC_RMID );
144     output_cmd( IPC_RMID );
145     output_cmd( IPC_RMID );
146     output_cmd( IPC_RMID );
147     output_cmd( IPC_RMID );
148     output_cmd( IPC_RMID );
149     output_cmd( IPC_RMID );
150     output_cmd( IPC_RMID );
151     output_cmd( IPC_RMID );
152 
153     /* Some value we don't recognize */
154     qemu_log("%d", cmd);
155 }
156 
157 static const char * const target_signal_name[] = {
158 #define MAKE_SIG_ENTRY(sig)     [TARGET_##sig] = #sig,
159         MAKE_SIGNAL_LIST
160 #undef MAKE_SIG_ENTRY
161 };
162 
163 static void
164 print_signal_1(abi_ulong arg)
165 {
166     if (arg < ARRAY_SIZE(target_signal_name)) {
167         qemu_log("%s", target_signal_name[arg]);
168     } else {
169         qemu_log(TARGET_ABI_FMT_lu, arg);
170     }
171 }
172 
173 static void
174 print_signal(abi_ulong arg, int last)
175 {
176     print_signal_1(arg);
177     qemu_log("%s", get_comma(last));
178 }
179 
180 static void print_si_code(int arg)
181 {
182     const char *codename = NULL;
183 
184     switch (arg) {
185     case SI_USER:
186         codename = "SI_USER";
187         break;
188     case SI_KERNEL:
189         codename = "SI_KERNEL";
190         break;
191     case SI_QUEUE:
192         codename = "SI_QUEUE";
193         break;
194     case SI_TIMER:
195         codename = "SI_TIMER";
196         break;
197     case SI_MESGQ:
198         codename = "SI_MESGQ";
199         break;
200     case SI_ASYNCIO:
201         codename = "SI_ASYNCIO";
202         break;
203     case SI_SIGIO:
204         codename = "SI_SIGIO";
205         break;
206     case SI_TKILL:
207         codename = "SI_TKILL";
208         break;
209     default:
210         qemu_log("%d", arg);
211         return;
212     }
213     qemu_log("%s", codename);
214 }
215 
216 static void get_target_siginfo(target_siginfo_t *tinfo,
217                                 const target_siginfo_t *info)
218 {
219     abi_ulong sival_ptr;
220 
221     int sig;
222     int si_errno;
223     int si_code;
224     int si_type;
225 
226     __get_user(sig, &info->si_signo);
227     __get_user(si_errno, &tinfo->si_errno);
228     __get_user(si_code, &info->si_code);
229 
230     tinfo->si_signo = sig;
231     tinfo->si_errno = si_errno;
232     tinfo->si_code = si_code;
233 
234     /* Ensure we don't leak random junk to the guest later */
235     memset(tinfo->_sifields._pad, 0, sizeof(tinfo->_sifields._pad));
236 
237     /* This is awkward, because we have to use a combination of
238      * the si_code and si_signo to figure out which of the union's
239      * members are valid. (Within the host kernel it is always possible
240      * to tell, but the kernel carefully avoids giving userspace the
241      * high 16 bits of si_code, so we don't have the information to
242      * do this the easy way...) We therefore make our best guess,
243      * bearing in mind that a guest can spoof most of the si_codes
244      * via rt_sigqueueinfo() if it likes.
245      *
246      * Once we have made our guess, we record it in the top 16 bits of
247      * the si_code, so that print_siginfo() later can use it.
248      * print_siginfo() will strip these top bits out before printing
249      * the si_code.
250      */
251 
252     switch (si_code) {
253     case SI_USER:
254     case SI_TKILL:
255     case SI_KERNEL:
256         /* Sent via kill(), tkill() or tgkill(), or direct from the kernel.
257          * These are the only unspoofable si_code values.
258          */
259         __get_user(tinfo->_sifields._kill._pid, &info->_sifields._kill._pid);
260         __get_user(tinfo->_sifields._kill._uid, &info->_sifields._kill._uid);
261         si_type = QEMU_SI_KILL;
262         break;
263     default:
264         /* Everything else is spoofable. Make best guess based on signal */
265         switch (sig) {
266         case TARGET_SIGCHLD:
267             __get_user(tinfo->_sifields._sigchld._pid,
268                        &info->_sifields._sigchld._pid);
269             __get_user(tinfo->_sifields._sigchld._uid,
270                        &info->_sifields._sigchld._uid);
271             __get_user(tinfo->_sifields._sigchld._status,
272                        &info->_sifields._sigchld._status);
273             __get_user(tinfo->_sifields._sigchld._utime,
274                        &info->_sifields._sigchld._utime);
275             __get_user(tinfo->_sifields._sigchld._stime,
276                        &info->_sifields._sigchld._stime);
277             si_type = QEMU_SI_CHLD;
278             break;
279         case TARGET_SIGIO:
280             __get_user(tinfo->_sifields._sigpoll._band,
281                        &info->_sifields._sigpoll._band);
282             __get_user(tinfo->_sifields._sigpoll._fd,
283                        &info->_sifields._sigpoll._fd);
284             si_type = QEMU_SI_POLL;
285             break;
286         default:
287             /* Assume a sigqueue()/mq_notify()/rt_sigqueueinfo() source. */
288             __get_user(tinfo->_sifields._rt._pid, &info->_sifields._rt._pid);
289             __get_user(tinfo->_sifields._rt._uid, &info->_sifields._rt._uid);
290             /* XXX: potential problem if 64 bit */
291             __get_user(sival_ptr, &info->_sifields._rt._sigval.sival_ptr);
292             tinfo->_sifields._rt._sigval.sival_ptr = sival_ptr;
293 
294             si_type = QEMU_SI_RT;
295             break;
296         }
297         break;
298     }
299 
300     tinfo->si_code = deposit32(si_code, 16, 16, si_type);
301 }
302 
303 static void print_siginfo(const target_siginfo_t *tinfo)
304 {
305     /* Print a target_siginfo_t in the format desired for printing
306      * signals being taken. We assume the target_siginfo_t is in the
307      * internal form where the top 16 bits of si_code indicate which
308      * part of the union is valid, rather than in the guest-visible
309      * form where the bottom 16 bits are sign-extended into the top 16.
310      */
311     int si_type = extract32(tinfo->si_code, 16, 16);
312     int si_code = sextract32(tinfo->si_code, 0, 16);
313 
314     qemu_log("{si_signo=");
315     print_signal(tinfo->si_signo, 1);
316     qemu_log(", si_code=");
317     print_si_code(si_code);
318 
319     switch (si_type) {
320     case QEMU_SI_KILL:
321         qemu_log(", si_pid=%u, si_uid=%u",
322                  (unsigned int)tinfo->_sifields._kill._pid,
323                  (unsigned int)tinfo->_sifields._kill._uid);
324         break;
325     case QEMU_SI_TIMER:
326         qemu_log(", si_timer1=%u, si_timer2=%u",
327                  tinfo->_sifields._timer._timer1,
328                  tinfo->_sifields._timer._timer2);
329         break;
330     case QEMU_SI_POLL:
331         qemu_log(", si_band=%d, si_fd=%d",
332                  tinfo->_sifields._sigpoll._band,
333                  tinfo->_sifields._sigpoll._fd);
334         break;
335     case QEMU_SI_FAULT:
336         qemu_log(", si_addr=");
337         print_pointer(tinfo->_sifields._sigfault._addr, 1);
338         break;
339     case QEMU_SI_CHLD:
340         qemu_log(", si_pid=%u, si_uid=%u, si_status=%d"
341                  ", si_utime=" TARGET_ABI_FMT_ld
342                  ", si_stime=" TARGET_ABI_FMT_ld,
343                  (unsigned int)(tinfo->_sifields._sigchld._pid),
344                  (unsigned int)(tinfo->_sifields._sigchld._uid),
345                  tinfo->_sifields._sigchld._status,
346                  tinfo->_sifields._sigchld._utime,
347                  tinfo->_sifields._sigchld._stime);
348         break;
349     case QEMU_SI_RT:
350         qemu_log(", si_pid=%u, si_uid=%u, si_sigval=" TARGET_ABI_FMT_ld,
351                  (unsigned int)tinfo->_sifields._rt._pid,
352                  (unsigned int)tinfo->_sifields._rt._uid,
353                  tinfo->_sifields._rt._sigval.sival_ptr);
354         break;
355     default:
356         g_assert_not_reached();
357     }
358     qemu_log("}");
359 }
360 
361 static void
362 print_sockaddr(abi_ulong addr, abi_long addrlen, int last)
363 {
364     struct target_sockaddr *sa;
365     int i;
366     int sa_family;
367 
368     sa = lock_user(VERIFY_READ, addr, addrlen, 1);
369     if (sa) {
370         sa_family = tswap16(sa->sa_family);
371         switch (sa_family) {
372         case AF_UNIX: {
373             struct target_sockaddr_un *un = (struct target_sockaddr_un *)sa;
374             qemu_log("{sun_family=AF_UNIX,sun_path=\"");
375             for (i = 0; i < addrlen -
376                             offsetof(struct target_sockaddr_un, sun_path) &&
377                  un->sun_path[i]; i++) {
378                 qemu_log("%c", un->sun_path[i]);
379             }
380             qemu_log("\"},");
381             break;
382         }
383         case AF_INET: {
384             struct target_sockaddr_in *in = (struct target_sockaddr_in *)sa;
385             uint8_t *c = (uint8_t *)&in->sin_addr.s_addr;
386             qemu_log("{sin_family=AF_INET,sin_port=htons(%d),",
387                      ntohs(in->sin_port));
388             qemu_log("sin_addr=inet_addr(\"%d.%d.%d.%d\")",
389                      c[0], c[1], c[2], c[3]);
390             qemu_log("},");
391             break;
392         }
393         case AF_PACKET: {
394             struct target_sockaddr_ll *ll = (struct target_sockaddr_ll *)sa;
395             uint8_t *c = (uint8_t *)&ll->sll_addr;
396             qemu_log("{sll_family=AF_PACKET,"
397                      "sll_protocol=htons(0x%04x),if%d,pkttype=",
398                      ntohs(ll->sll_protocol), ll->sll_ifindex);
399             switch (ll->sll_pkttype) {
400             case PACKET_HOST:
401                 qemu_log("PACKET_HOST");
402                 break;
403             case PACKET_BROADCAST:
404                 qemu_log("PACKET_BROADCAST");
405                 break;
406             case PACKET_MULTICAST:
407                 qemu_log("PACKET_MULTICAST");
408                 break;
409             case PACKET_OTHERHOST:
410                 qemu_log("PACKET_OTHERHOST");
411                 break;
412             case PACKET_OUTGOING:
413                 qemu_log("PACKET_OUTGOING");
414                 break;
415             default:
416                 qemu_log("%d", ll->sll_pkttype);
417                 break;
418             }
419             qemu_log(",sll_addr=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
420                      c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
421             qemu_log("},");
422             break;
423         }
424         case AF_NETLINK: {
425             struct target_sockaddr_nl *nl = (struct target_sockaddr_nl *)sa;
426             qemu_log("{nl_family=AF_NETLINK,nl_pid=%u,nl_groups=%u},",
427                      tswap32(nl->nl_pid), tswap32(nl->nl_groups));
428             break;
429         }
430         default:
431             qemu_log("{sa_family=%d, sa_data={", sa->sa_family);
432             for (i = 0; i < 13; i++) {
433                 qemu_log("%02x, ", sa->sa_data[i]);
434             }
435             qemu_log("%02x}", sa->sa_data[i]);
436             qemu_log("},");
437             break;
438         }
439         unlock_user(sa, addr, 0);
440     } else {
441         print_pointer(addr, 0);
442     }
443     qemu_log(TARGET_ABI_FMT_ld"%s", addrlen, get_comma(last));
444 }
445 
446 static void
447 print_socket_domain(int domain)
448 {
449     switch (domain) {
450     case PF_UNIX:
451         qemu_log("PF_UNIX");
452         break;
453     case PF_INET:
454         qemu_log("PF_INET");
455         break;
456     case PF_NETLINK:
457         qemu_log("PF_NETLINK");
458         break;
459     case PF_PACKET:
460         qemu_log("PF_PACKET");
461         break;
462     default:
463         qemu_log("%d", domain);
464         break;
465     }
466 }
467 
468 static void
469 print_socket_type(int type)
470 {
471     switch (type & TARGET_SOCK_TYPE_MASK) {
472     case TARGET_SOCK_DGRAM:
473         qemu_log("SOCK_DGRAM");
474         break;
475     case TARGET_SOCK_STREAM:
476         qemu_log("SOCK_STREAM");
477         break;
478     case TARGET_SOCK_RAW:
479         qemu_log("SOCK_RAW");
480         break;
481     case TARGET_SOCK_RDM:
482         qemu_log("SOCK_RDM");
483         break;
484     case TARGET_SOCK_SEQPACKET:
485         qemu_log("SOCK_SEQPACKET");
486         break;
487     case TARGET_SOCK_PACKET:
488         qemu_log("SOCK_PACKET");
489         break;
490     }
491     if (type & TARGET_SOCK_CLOEXEC) {
492         qemu_log("|SOCK_CLOEXEC");
493     }
494     if (type & TARGET_SOCK_NONBLOCK) {
495         qemu_log("|SOCK_NONBLOCK");
496     }
497 }
498 
499 static void
500 print_socket_protocol(int domain, int type, int protocol)
501 {
502     if (domain == AF_PACKET ||
503         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
504         switch (protocol) {
505         case 0x0003:
506             qemu_log("ETH_P_ALL");
507             break;
508         default:
509             qemu_log("%d", protocol);
510         }
511         return;
512     }
513 
514     if (domain == PF_NETLINK) {
515         switch (protocol) {
516         case NETLINK_ROUTE:
517             qemu_log("NETLINK_ROUTE");
518             break;
519         case NETLINK_UNUSED:
520             qemu_log("NETLINK_UNUSED");
521             break;
522         case NETLINK_USERSOCK:
523             qemu_log("NETLINK_USERSOCK");
524             break;
525         case NETLINK_FIREWALL:
526             qemu_log("NETLINK_FIREWALL");
527             break;
528         case NETLINK_SOCK_DIAG:
529             qemu_log("NETLINK_SOCK_DIAG");
530             break;
531         case NETLINK_NFLOG:
532             qemu_log("NETLINK_NFLOG");
533             break;
534         case NETLINK_XFRM:
535             qemu_log("NETLINK_XFRM");
536             break;
537         case NETLINK_SELINUX:
538             qemu_log("NETLINK_SELINUX");
539             break;
540         case NETLINK_ISCSI:
541             qemu_log("NETLINK_ISCSI");
542             break;
543         case NETLINK_AUDIT:
544             qemu_log("NETLINK_AUDIT");
545             break;
546         case NETLINK_FIB_LOOKUP:
547             qemu_log("NETLINK_FIB_LOOKUP");
548             break;
549         case NETLINK_CONNECTOR:
550             qemu_log("NETLINK_CONNECTOR");
551             break;
552         case NETLINK_NETFILTER:
553             qemu_log("NETLINK_NETFILTER");
554             break;
555         case NETLINK_IP6_FW:
556             qemu_log("NETLINK_IP6_FW");
557             break;
558         case NETLINK_DNRTMSG:
559             qemu_log("NETLINK_DNRTMSG");
560             break;
561         case NETLINK_KOBJECT_UEVENT:
562             qemu_log("NETLINK_KOBJECT_UEVENT");
563             break;
564         case NETLINK_GENERIC:
565             qemu_log("NETLINK_GENERIC");
566             break;
567         case NETLINK_SCSITRANSPORT:
568             qemu_log("NETLINK_SCSITRANSPORT");
569             break;
570         case NETLINK_ECRYPTFS:
571             qemu_log("NETLINK_ECRYPTFS");
572             break;
573         case NETLINK_RDMA:
574             qemu_log("NETLINK_RDMA");
575             break;
576         case NETLINK_CRYPTO:
577             qemu_log("NETLINK_CRYPTO");
578             break;
579         case NETLINK_SMC:
580             qemu_log("NETLINK_SMC");
581             break;
582         default:
583             qemu_log("%d", protocol);
584             break;
585         }
586         return;
587     }
588 
589     switch (protocol) {
590     case IPPROTO_IP:
591         qemu_log("IPPROTO_IP");
592         break;
593     case IPPROTO_TCP:
594         qemu_log("IPPROTO_TCP");
595         break;
596     case IPPROTO_UDP:
597         qemu_log("IPPROTO_UDP");
598         break;
599     case IPPROTO_RAW:
600         qemu_log("IPPROTO_RAW");
601         break;
602     default:
603         qemu_log("%d", protocol);
604         break;
605     }
606 }
607 
608 
609 #ifdef TARGET_NR__newselect
610 static void
611 print_fdset(int n, abi_ulong target_fds_addr)
612 {
613     int i;
614     int first = 1;
615 
616     qemu_log("[");
617     if( target_fds_addr ) {
618         abi_long *target_fds;
619 
620         target_fds = lock_user(VERIFY_READ,
621                                target_fds_addr,
622                                sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
623                                1);
624 
625         if (!target_fds)
626             return;
627 
628         for (i=n; i>=0; i--) {
629             if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >>
630                 (i & (TARGET_ABI_BITS - 1))) & 1) {
631                 qemu_log("%s%d", get_comma(first), i);
632                 first = 0;
633             }
634         }
635         unlock_user(target_fds, target_fds_addr, 0);
636     }
637     qemu_log("]");
638 }
639 #endif
640 
641 /*
642  * Sysycall specific output functions
643  */
644 
645 /* select */
646 #ifdef TARGET_NR__newselect
647 static void
648 print_newselect(CPUArchState *cpu_env, const struct syscallname *name,
649                 abi_long arg1, abi_long arg2, abi_long arg3,
650                 abi_long arg4, abi_long arg5, abi_long arg6)
651 {
652     print_syscall_prologue(name);
653     print_fdset(arg1, arg2);
654     qemu_log(",");
655     print_fdset(arg1, arg3);
656     qemu_log(",");
657     print_fdset(arg1, arg4);
658     qemu_log(",");
659     print_timeval(arg5, 1);
660     print_syscall_epilogue(name);
661 }
662 #endif
663 
664 static void
665 print_semctl(CPUArchState *cpu_env, const struct syscallname *name,
666              abi_long arg1, abi_long arg2, abi_long arg3,
667              abi_long arg4, abi_long arg5, abi_long arg6)
668 {
669     qemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",",
670              name->name, arg1, arg2);
671     print_ipc_cmd(arg3);
672     qemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
673 }
674 
675 static void
676 print_shmat(CPUArchState *cpu_env, const struct syscallname *name,
677             abi_long arg0, abi_long arg1, abi_long arg2,
678             abi_long arg3, abi_long arg4, abi_long arg5)
679 {
680     static const struct flags shmat_flags[] = {
681         FLAG_GENERIC(SHM_RND),
682         FLAG_GENERIC(SHM_REMAP),
683         FLAG_GENERIC(SHM_RDONLY),
684         FLAG_GENERIC(SHM_EXEC),
685         FLAG_END
686     };
687 
688     print_syscall_prologue(name);
689     print_raw_param(TARGET_ABI_FMT_ld, arg0, 0);
690     print_pointer(arg1, 0);
691     print_flags(shmat_flags, arg2, 1);
692     print_syscall_epilogue(name);
693 }
694 
695 #ifdef TARGET_NR_ipc
696 static void
697 print_ipc(CPUArchState *cpu_env, const struct syscallname *name,
698           abi_long arg1, abi_long arg2, abi_long arg3,
699           abi_long arg4, abi_long arg5, abi_long arg6)
700 {
701     switch(arg1) {
702     case IPCOP_semctl:
703         print_semctl(cpu_env, &(const struct syscallname){ .name = "semctl" },
704                      arg2, arg3, arg4, arg5, 0, 0);
705         break;
706     case IPCOP_shmat:
707         print_shmat(cpu_env, &(const struct syscallname){ .name = "shmat" },
708                     arg2, arg5, arg3, 0, 0, 0);
709         break;
710     default:
711         qemu_log(("%s("
712                   TARGET_ABI_FMT_ld ","
713                   TARGET_ABI_FMT_ld ","
714                   TARGET_ABI_FMT_ld ","
715                   TARGET_ABI_FMT_ld
716                   ")"),
717                  name->name, arg1, arg2, arg3, arg4);
718     }
719 }
720 #endif
721 
722 #ifdef TARGET_NR_rt_sigprocmask
723 static void print_target_sigset_t_1(target_sigset_t *set, int last)
724 {
725     bool first = true;
726     int i, sig = 1;
727 
728     qemu_log("[");
729     for (i = 0; i < TARGET_NSIG_WORDS; i++) {
730         abi_ulong bits = 0;
731         int j;
732 
733         __get_user(bits, &set->sig[i]);
734         for (j = 0; j < sizeof(bits) * 8; j++) {
735             if (bits & ((abi_ulong)1 << j)) {
736                 if (first) {
737                     first = false;
738                 } else {
739                     qemu_log(" ");
740                 }
741                 print_signal_1(sig);
742             }
743             sig++;
744         }
745     }
746     qemu_log("]%s", get_comma(last));
747 }
748 
749 static void print_target_sigset_t(abi_ulong addr, abi_ulong size, int last)
750 {
751     if (addr && size == sizeof(target_sigset_t)) {
752         target_sigset_t *set;
753 
754         set = lock_user(VERIFY_READ, addr, sizeof(target_sigset_t), 1);
755         if (set) {
756             print_target_sigset_t_1(set, last);
757             unlock_user(set, addr, 0);
758         } else {
759             print_pointer(addr, last);
760         }
761     } else {
762         print_pointer(addr, last);
763     }
764 }
765 #endif
766 
767 /*
768  * Variants for the return value output function
769  */
770 
771 static bool
772 print_syscall_err(abi_long ret)
773 {
774     const char *errstr;
775 
776     qemu_log(" = ");
777     if (is_error(ret)) {
778         errstr = target_strerror(-ret);
779         if (errstr) {
780             qemu_log("-1 errno=%d (%s)", (int)-ret, errstr);
781             return true;
782         }
783     }
784     return false;
785 }
786 
787 static void
788 print_syscall_ret_addr(CPUArchState *cpu_env, const struct syscallname *name,
789                        abi_long ret, abi_long arg0, abi_long arg1,
790                        abi_long arg2, abi_long arg3, abi_long arg4,
791                        abi_long arg5)
792 {
793     if (!print_syscall_err(ret)) {
794         qemu_log("0x" TARGET_ABI_FMT_lx, ret);
795     }
796     qemu_log("\n");
797 }
798 
799 #if 0 /* currently unused */
800 static void
801 print_syscall_ret_raw(struct syscallname *name, abi_long ret)
802 {
803         qemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
804 }
805 #endif
806 
807 #ifdef TARGET_NR__newselect
808 static void
809 print_syscall_ret_newselect(CPUArchState *cpu_env, const struct syscallname *name,
810                             abi_long ret, abi_long arg0, abi_long arg1,
811                             abi_long arg2, abi_long arg3, abi_long arg4,
812                             abi_long arg5)
813 {
814     if (!print_syscall_err(ret)) {
815         qemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
816         print_fdset(arg0, arg1);
817         qemu_log(",");
818         print_fdset(arg0, arg2);
819         qemu_log(",");
820         print_fdset(arg0, arg3);
821         qemu_log(",");
822         print_timeval(arg4, 1);
823         qemu_log(")");
824     }
825 
826     qemu_log("\n");
827 }
828 #endif
829 
830 /* special meanings of adjtimex()' non-negative return values */
831 #define TARGET_TIME_OK       0   /* clock synchronized, no leap second */
832 #define TARGET_TIME_INS      1   /* insert leap second */
833 #define TARGET_TIME_DEL      2   /* delete leap second */
834 #define TARGET_TIME_OOP      3   /* leap second in progress */
835 #define TARGET_TIME_WAIT     4   /* leap second has occurred */
836 #define TARGET_TIME_ERROR    5   /* clock not synchronized */
837 #ifdef TARGET_NR_adjtimex
838 static void
839 print_syscall_ret_adjtimex(CPUArchState *cpu_env, const struct syscallname *name,
840                            abi_long ret, abi_long arg0, abi_long arg1,
841                            abi_long arg2, abi_long arg3, abi_long arg4,
842                            abi_long arg5)
843 {
844     if (!print_syscall_err(ret)) {
845         qemu_log(TARGET_ABI_FMT_ld, ret);
846         switch (ret) {
847         case TARGET_TIME_OK:
848             qemu_log(" TIME_OK (clock synchronized, no leap second)");
849             break;
850         case TARGET_TIME_INS:
851             qemu_log(" TIME_INS (insert leap second)");
852             break;
853         case TARGET_TIME_DEL:
854             qemu_log(" TIME_DEL (delete leap second)");
855             break;
856         case TARGET_TIME_OOP:
857             qemu_log(" TIME_OOP (leap second in progress)");
858             break;
859         case TARGET_TIME_WAIT:
860             qemu_log(" TIME_WAIT (leap second has occurred)");
861             break;
862         case TARGET_TIME_ERROR:
863             qemu_log(" TIME_ERROR (clock not synchronized)");
864             break;
865         }
866     }
867 
868     qemu_log("\n");
869 }
870 #endif
871 
872 #if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
873 static void
874 print_syscall_ret_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name,
875                                 abi_long ret, abi_long arg0, abi_long arg1,
876                                 abi_long arg2, abi_long arg3, abi_long arg4,
877                                 abi_long arg5)
878 {
879     if (!print_syscall_err(ret)) {
880         qemu_log(TARGET_ABI_FMT_ld, ret);
881         qemu_log(" (");
882         print_timespec(arg1, 1);
883         qemu_log(")");
884     }
885 
886     qemu_log("\n");
887 }
888 #define print_syscall_ret_clock_getres     print_syscall_ret_clock_gettime
889 #endif
890 
891 #if defined(TARGET_NR_clock_gettime64)
892 static void
893 print_syscall_ret_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name,
894                                 abi_long ret, abi_long arg0, abi_long arg1,
895                                 abi_long arg2, abi_long arg3, abi_long arg4,
896                                 abi_long arg5)
897 {
898     if (!print_syscall_err(ret)) {
899         qemu_log(TARGET_ABI_FMT_ld, ret);
900         qemu_log(" (");
901         print_timespec64(arg1, 1);
902         qemu_log(")");
903     }
904 
905     qemu_log("\n");
906 }
907 #endif
908 
909 #ifdef TARGET_NR_gettimeofday
910 static void
911 print_syscall_ret_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name,
912                                abi_long ret, abi_long arg0, abi_long arg1,
913                                abi_long arg2, abi_long arg3, abi_long arg4,
914                                abi_long arg5)
915 {
916     if (!print_syscall_err(ret)) {
917         qemu_log(TARGET_ABI_FMT_ld, ret);
918         qemu_log(" (");
919         print_timeval(arg0, 0);
920         print_timezone(arg1, 1);
921         qemu_log(")");
922     }
923 
924     qemu_log("\n");
925 }
926 #endif
927 
928 #ifdef TARGET_NR_getitimer
929 static void
930 print_syscall_ret_getitimer(CPUArchState *cpu_env, const struct syscallname *name,
931                             abi_long ret, abi_long arg0, abi_long arg1,
932                             abi_long arg2, abi_long arg3, abi_long arg4,
933                             abi_long arg5)
934 {
935     if (!print_syscall_err(ret)) {
936         qemu_log(TARGET_ABI_FMT_ld, ret);
937         qemu_log(" (");
938         print_itimerval(arg1, 1);
939         qemu_log(")");
940     }
941 
942     qemu_log("\n");
943 }
944 #endif
945 
946 
947 #ifdef TARGET_NR_getitimer
948 static void
949 print_syscall_ret_setitimer(CPUArchState *cpu_env, const struct syscallname *name,
950                             abi_long ret, abi_long arg0, abi_long arg1,
951                             abi_long arg2, abi_long arg3, abi_long arg4,
952                             abi_long arg5)
953 {
954     if (!print_syscall_err(ret)) {
955         qemu_log(TARGET_ABI_FMT_ld, ret);
956         qemu_log(" (old_value = ");
957         print_itimerval(arg2, 1);
958         qemu_log(")");
959     }
960 
961     qemu_log("\n");
962 }
963 #endif
964 
965 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr) \
966  || defined(TARGGET_NR_flistxattr)
967 static void
968 print_syscall_ret_listxattr(CPUArchState *cpu_env, const struct syscallname *name,
969                             abi_long ret, abi_long arg0, abi_long arg1,
970                             abi_long arg2, abi_long arg3, abi_long arg4,
971                             abi_long arg5)
972 {
973     if (!print_syscall_err(ret)) {
974         qemu_log(TARGET_ABI_FMT_ld, ret);
975         qemu_log(" (list = ");
976         if (arg1 != 0) {
977             abi_long attr = arg1;
978             while (ret) {
979                 if (attr != arg1) {
980                     qemu_log(",");
981                 }
982                 print_string(attr, 1);
983                 ret -= target_strlen(attr) + 1;
984                 attr += target_strlen(attr) + 1;
985             }
986         } else {
987             qemu_log("NULL");
988         }
989         qemu_log(")");
990     }
991 
992     qemu_log("\n");
993 }
994 #define print_syscall_ret_llistxattr     print_syscall_ret_listxattr
995 #define print_syscall_ret_flistxattr     print_syscall_ret_listxattr
996 #endif
997 
998 #ifdef TARGET_NR_ioctl
999 static void
1000 print_syscall_ret_ioctl(CPUArchState *cpu_env, const struct syscallname *name,
1001                         abi_long ret, abi_long arg0, abi_long arg1,
1002                         abi_long arg2, abi_long arg3, abi_long arg4,
1003                         abi_long arg5)
1004 {
1005     if (!print_syscall_err(ret)) {
1006         qemu_log(TARGET_ABI_FMT_ld, ret);
1007 
1008         const IOCTLEntry *ie;
1009         const argtype *arg_type;
1010         void *argptr;
1011         int target_size;
1012 
1013         for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
1014             if (ie->target_cmd == arg1) {
1015                 break;
1016             }
1017         }
1018 
1019         if (ie->target_cmd == arg1 &&
1020            (ie->access == IOC_R || ie->access == IOC_RW)) {
1021             arg_type = ie->arg_type;
1022             qemu_log(" (");
1023             arg_type++;
1024             target_size = thunk_type_size(arg_type, 0);
1025             argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
1026             if (argptr) {
1027                 thunk_print(argptr, arg_type);
1028                 unlock_user(argptr, arg2, target_size);
1029             } else {
1030                 print_pointer(arg2, 1);
1031             }
1032             qemu_log(")");
1033         }
1034     }
1035     qemu_log("\n");
1036 }
1037 #endif
1038 
1039 UNUSED static const struct flags access_flags[] = {
1040     FLAG_GENERIC_MASK(F_OK, R_OK | W_OK | X_OK),
1041     FLAG_GENERIC(R_OK),
1042     FLAG_GENERIC(W_OK),
1043     FLAG_GENERIC(X_OK),
1044     FLAG_END,
1045 };
1046 
1047 UNUSED static const struct flags at_file_flags[] = {
1048 #ifdef AT_EACCESS
1049     FLAG_GENERIC(AT_EACCESS),
1050 #endif
1051 #ifdef AT_SYMLINK_NOFOLLOW
1052     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
1053 #endif
1054     FLAG_END,
1055 };
1056 
1057 UNUSED static const struct flags unlinkat_flags[] = {
1058 #ifdef AT_REMOVEDIR
1059     FLAG_GENERIC(AT_REMOVEDIR),
1060 #endif
1061     FLAG_END,
1062 };
1063 
1064 UNUSED static const struct flags mode_flags[] = {
1065     FLAG_GENERIC(S_IFSOCK),
1066     FLAG_GENERIC(S_IFLNK),
1067     FLAG_GENERIC(S_IFREG),
1068     FLAG_GENERIC(S_IFBLK),
1069     FLAG_GENERIC(S_IFDIR),
1070     FLAG_GENERIC(S_IFCHR),
1071     FLAG_GENERIC(S_IFIFO),
1072     FLAG_END,
1073 };
1074 
1075 UNUSED static const struct flags open_access_flags[] = {
1076     FLAG_TARGET_MASK(O_RDONLY, O_ACCMODE),
1077     FLAG_TARGET_MASK(O_WRONLY, O_ACCMODE),
1078     FLAG_TARGET_MASK(O_RDWR, O_ACCMODE),
1079     FLAG_END,
1080 };
1081 
1082 UNUSED static const struct flags open_flags[] = {
1083     FLAG_TARGET(O_APPEND),
1084     FLAG_TARGET(O_CREAT),
1085     FLAG_TARGET(O_DIRECTORY),
1086     FLAG_TARGET(O_EXCL),
1087 #if TARGET_O_LARGEFILE != 0
1088     FLAG_TARGET(O_LARGEFILE),
1089 #endif
1090     FLAG_TARGET(O_NOCTTY),
1091     FLAG_TARGET(O_NOFOLLOW),
1092     FLAG_TARGET(O_NONBLOCK),      /* also O_NDELAY */
1093     FLAG_TARGET(O_DSYNC),
1094     FLAG_TARGET(__O_SYNC),
1095     FLAG_TARGET(O_TRUNC),
1096 #ifdef O_DIRECT
1097     FLAG_TARGET(O_DIRECT),
1098 #endif
1099 #ifdef O_NOATIME
1100     FLAG_TARGET(O_NOATIME),
1101 #endif
1102 #ifdef O_CLOEXEC
1103     FLAG_TARGET(O_CLOEXEC),
1104 #endif
1105 #ifdef O_PATH
1106     FLAG_TARGET(O_PATH),
1107 #endif
1108 #ifdef O_TMPFILE
1109     FLAG_TARGET(O_TMPFILE),
1110     FLAG_TARGET(__O_TMPFILE),
1111 #endif
1112     FLAG_END,
1113 };
1114 
1115 UNUSED static const struct flags openat2_resolve_flags[] = {
1116 #ifdef HAVE_OPENAT2_H
1117     FLAG_GENERIC(RESOLVE_NO_XDEV),
1118     FLAG_GENERIC(RESOLVE_NO_MAGICLINKS),
1119     FLAG_GENERIC(RESOLVE_NO_SYMLINKS),
1120     FLAG_GENERIC(RESOLVE_BENEATH),
1121     FLAG_GENERIC(RESOLVE_IN_ROOT),
1122     FLAG_GENERIC(RESOLVE_CACHED),
1123 #endif
1124     FLAG_END,
1125 };
1126 
1127 UNUSED static const struct flags mount_flags[] = {
1128 #ifdef MS_BIND
1129     FLAG_GENERIC(MS_BIND),
1130 #endif
1131 #ifdef MS_DIRSYNC
1132     FLAG_GENERIC(MS_DIRSYNC),
1133 #endif
1134     FLAG_GENERIC(MS_MANDLOCK),
1135 #ifdef MS_MOVE
1136     FLAG_GENERIC(MS_MOVE),
1137 #endif
1138     FLAG_GENERIC(MS_NOATIME),
1139     FLAG_GENERIC(MS_NODEV),
1140     FLAG_GENERIC(MS_NODIRATIME),
1141     FLAG_GENERIC(MS_NOEXEC),
1142     FLAG_GENERIC(MS_NOSUID),
1143     FLAG_GENERIC(MS_RDONLY),
1144 #ifdef MS_RELATIME
1145     FLAG_GENERIC(MS_RELATIME),
1146 #endif
1147     FLAG_GENERIC(MS_REMOUNT),
1148     FLAG_GENERIC(MS_SYNCHRONOUS),
1149     FLAG_END,
1150 };
1151 
1152 UNUSED static const struct flags umount2_flags[] = {
1153 #ifdef MNT_FORCE
1154     FLAG_GENERIC(MNT_FORCE),
1155 #endif
1156 #ifdef MNT_DETACH
1157     FLAG_GENERIC(MNT_DETACH),
1158 #endif
1159 #ifdef MNT_EXPIRE
1160     FLAG_GENERIC(MNT_EXPIRE),
1161 #endif
1162     FLAG_END,
1163 };
1164 
1165 UNUSED static const struct flags mmap_prot_flags[] = {
1166     FLAG_GENERIC_MASK(PROT_NONE, PROT_READ | PROT_WRITE | PROT_EXEC),
1167     FLAG_GENERIC(PROT_EXEC),
1168     FLAG_GENERIC(PROT_READ),
1169     FLAG_GENERIC(PROT_WRITE),
1170     FLAG_TARGET(PROT_SEM),
1171     FLAG_GENERIC(PROT_GROWSDOWN),
1172     FLAG_GENERIC(PROT_GROWSUP),
1173     FLAG_END,
1174 };
1175 
1176 UNUSED static const struct flags mmap_flags[] = {
1177     FLAG_TARGET_MASK(MAP_SHARED, MAP_TYPE),
1178     FLAG_TARGET_MASK(MAP_PRIVATE, MAP_TYPE),
1179     FLAG_TARGET_MASK(MAP_SHARED_VALIDATE, MAP_TYPE),
1180     FLAG_TARGET(MAP_ANONYMOUS),
1181     FLAG_TARGET(MAP_DENYWRITE),
1182     FLAG_TARGET(MAP_EXECUTABLE),
1183     FLAG_TARGET(MAP_FIXED),
1184     FLAG_TARGET(MAP_FIXED_NOREPLACE),
1185     FLAG_TARGET(MAP_GROWSDOWN),
1186     FLAG_TARGET(MAP_HUGETLB),
1187     FLAG_TARGET(MAP_LOCKED),
1188     FLAG_TARGET(MAP_NONBLOCK),
1189     FLAG_TARGET(MAP_NORESERVE),
1190     FLAG_TARGET(MAP_POPULATE),
1191     FLAG_TARGET(MAP_STACK),
1192     FLAG_TARGET(MAP_SYNC),
1193 #if TARGET_MAP_UNINITIALIZED != 0
1194     FLAG_TARGET(MAP_UNINITIALIZED),
1195 #endif
1196     FLAG_END,
1197 };
1198 
1199 #ifndef CLONE_PIDFD
1200 # define CLONE_PIDFD 0x00001000
1201 #endif
1202 
1203 UNUSED static const struct flags clone_flags[] = {
1204     FLAG_GENERIC(CLONE_VM),
1205     FLAG_GENERIC(CLONE_FS),
1206     FLAG_GENERIC(CLONE_FILES),
1207     FLAG_GENERIC(CLONE_SIGHAND),
1208     FLAG_GENERIC(CLONE_PIDFD),
1209     FLAG_GENERIC(CLONE_PTRACE),
1210     FLAG_GENERIC(CLONE_VFORK),
1211     FLAG_GENERIC(CLONE_PARENT),
1212     FLAG_GENERIC(CLONE_THREAD),
1213     FLAG_GENERIC(CLONE_NEWNS),
1214     FLAG_GENERIC(CLONE_SYSVSEM),
1215     FLAG_GENERIC(CLONE_SETTLS),
1216     FLAG_GENERIC(CLONE_PARENT_SETTID),
1217     FLAG_GENERIC(CLONE_CHILD_CLEARTID),
1218     FLAG_GENERIC(CLONE_DETACHED),
1219     FLAG_GENERIC(CLONE_UNTRACED),
1220     FLAG_GENERIC(CLONE_CHILD_SETTID),
1221 #if defined(CLONE_NEWUTS)
1222     FLAG_GENERIC(CLONE_NEWUTS),
1223 #endif
1224 #if defined(CLONE_NEWIPC)
1225     FLAG_GENERIC(CLONE_NEWIPC),
1226 #endif
1227 #if defined(CLONE_NEWUSER)
1228     FLAG_GENERIC(CLONE_NEWUSER),
1229 #endif
1230 #if defined(CLONE_NEWPID)
1231     FLAG_GENERIC(CLONE_NEWPID),
1232 #endif
1233 #if defined(CLONE_NEWNET)
1234     FLAG_GENERIC(CLONE_NEWNET),
1235 #endif
1236 #if defined(CLONE_NEWCGROUP)
1237     FLAG_GENERIC(CLONE_NEWCGROUP),
1238 #endif
1239 #if defined(CLONE_NEWTIME)
1240     FLAG_GENERIC(CLONE_NEWTIME),
1241 #endif
1242 #if defined(CLONE_IO)
1243     FLAG_GENERIC(CLONE_IO),
1244 #endif
1245     FLAG_END,
1246 };
1247 
1248 UNUSED static const struct flags execveat_flags[] = {
1249 #ifdef AT_EMPTY_PATH
1250     FLAG_GENERIC(AT_EMPTY_PATH),
1251 #endif
1252 #ifdef AT_SYMLINK_NOFOLLOW
1253     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
1254 #endif
1255     FLAG_END,
1256 };
1257 
1258 UNUSED static const struct flags msg_flags[] = {
1259     /* send */
1260     FLAG_GENERIC(MSG_CONFIRM),
1261     FLAG_GENERIC(MSG_DONTROUTE),
1262     FLAG_GENERIC(MSG_DONTWAIT),
1263     FLAG_GENERIC(MSG_EOR),
1264     FLAG_GENERIC(MSG_MORE),
1265     FLAG_GENERIC(MSG_NOSIGNAL),
1266     FLAG_GENERIC(MSG_OOB),
1267     /* recv */
1268     FLAG_GENERIC(MSG_CMSG_CLOEXEC),
1269     FLAG_GENERIC(MSG_ERRQUEUE),
1270     FLAG_GENERIC(MSG_PEEK),
1271     FLAG_GENERIC(MSG_TRUNC),
1272     FLAG_GENERIC(MSG_WAITALL),
1273     /* recvmsg */
1274     FLAG_GENERIC(MSG_CTRUNC),
1275     FLAG_END,
1276 };
1277 
1278 UNUSED static const struct flags statx_flags[] = {
1279 #ifdef AT_EMPTY_PATH
1280     FLAG_GENERIC(AT_EMPTY_PATH),
1281 #endif
1282 #ifdef AT_NO_AUTOMOUNT
1283     FLAG_GENERIC(AT_NO_AUTOMOUNT),
1284 #endif
1285 #ifdef AT_SYMLINK_NOFOLLOW
1286     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
1287 #endif
1288 #ifdef AT_STATX_SYNC_AS_STAT
1289     FLAG_GENERIC_MASK(AT_STATX_SYNC_AS_STAT, AT_STATX_SYNC_TYPE),
1290 #endif
1291 #ifdef AT_STATX_FORCE_SYNC
1292     FLAG_GENERIC_MASK(AT_STATX_FORCE_SYNC, AT_STATX_SYNC_TYPE),
1293 #endif
1294 #ifdef AT_STATX_DONT_SYNC
1295     FLAG_GENERIC_MASK(AT_STATX_DONT_SYNC, AT_STATX_SYNC_TYPE),
1296 #endif
1297     FLAG_END,
1298 };
1299 
1300 UNUSED static const struct flags statx_mask[] = {
1301 /* This must come first, because it includes everything.  */
1302 #ifdef STATX_ALL
1303     FLAG_GENERIC(STATX_ALL),
1304 #endif
1305 /* This must come second; it includes everything except STATX_BTIME.  */
1306 #ifdef STATX_BASIC_STATS
1307     FLAG_GENERIC(STATX_BASIC_STATS),
1308 #endif
1309 #ifdef STATX_TYPE
1310     FLAG_GENERIC(STATX_TYPE),
1311 #endif
1312 #ifdef STATX_MODE
1313     FLAG_GENERIC(STATX_MODE),
1314 #endif
1315 #ifdef STATX_NLINK
1316     FLAG_GENERIC(STATX_NLINK),
1317 #endif
1318 #ifdef STATX_UID
1319     FLAG_GENERIC(STATX_UID),
1320 #endif
1321 #ifdef STATX_GID
1322     FLAG_GENERIC(STATX_GID),
1323 #endif
1324 #ifdef STATX_ATIME
1325     FLAG_GENERIC(STATX_ATIME),
1326 #endif
1327 #ifdef STATX_MTIME
1328     FLAG_GENERIC(STATX_MTIME),
1329 #endif
1330 #ifdef STATX_CTIME
1331     FLAG_GENERIC(STATX_CTIME),
1332 #endif
1333 #ifdef STATX_INO
1334     FLAG_GENERIC(STATX_INO),
1335 #endif
1336 #ifdef STATX_SIZE
1337     FLAG_GENERIC(STATX_SIZE),
1338 #endif
1339 #ifdef STATX_BLOCKS
1340     FLAG_GENERIC(STATX_BLOCKS),
1341 #endif
1342 #ifdef STATX_BTIME
1343     FLAG_GENERIC(STATX_BTIME),
1344 #endif
1345     FLAG_END,
1346 };
1347 
1348 UNUSED static const struct flags falloc_flags[] = {
1349     FLAG_GENERIC(FALLOC_FL_KEEP_SIZE),
1350     FLAG_GENERIC(FALLOC_FL_PUNCH_HOLE),
1351 #ifdef FALLOC_FL_NO_HIDE_STALE
1352     FLAG_GENERIC(FALLOC_FL_NO_HIDE_STALE),
1353 #endif
1354 #ifdef FALLOC_FL_COLLAPSE_RANGE
1355     FLAG_GENERIC(FALLOC_FL_COLLAPSE_RANGE),
1356 #endif
1357 #ifdef FALLOC_FL_ZERO_RANGE
1358     FLAG_GENERIC(FALLOC_FL_ZERO_RANGE),
1359 #endif
1360 #ifdef FALLOC_FL_INSERT_RANGE
1361     FLAG_GENERIC(FALLOC_FL_INSERT_RANGE),
1362 #endif
1363 #ifdef FALLOC_FL_UNSHARE_RANGE
1364     FLAG_GENERIC(FALLOC_FL_UNSHARE_RANGE),
1365 #endif
1366 };
1367 
1368 UNUSED static const struct flags termios_iflags[] = {
1369     FLAG_TARGET(IGNBRK),
1370     FLAG_TARGET(BRKINT),
1371     FLAG_TARGET(IGNPAR),
1372     FLAG_TARGET(PARMRK),
1373     FLAG_TARGET(INPCK),
1374     FLAG_TARGET(ISTRIP),
1375     FLAG_TARGET(INLCR),
1376     FLAG_TARGET(IGNCR),
1377     FLAG_TARGET(ICRNL),
1378     FLAG_TARGET(IUCLC),
1379     FLAG_TARGET(IXON),
1380     FLAG_TARGET(IXANY),
1381     FLAG_TARGET(IXOFF),
1382     FLAG_TARGET(IMAXBEL),
1383     FLAG_TARGET(IUTF8),
1384     FLAG_END,
1385 };
1386 
1387 UNUSED static const struct flags termios_oflags[] = {
1388     FLAG_TARGET(OPOST),
1389     FLAG_TARGET(OLCUC),
1390     FLAG_TARGET(ONLCR),
1391     FLAG_TARGET(OCRNL),
1392     FLAG_TARGET(ONOCR),
1393     FLAG_TARGET(ONLRET),
1394     FLAG_TARGET(OFILL),
1395     FLAG_TARGET(OFDEL),
1396     FLAG_END,
1397 };
1398 
1399 UNUSED static struct enums termios_oflags_NLDLY[] = {
1400     ENUM_TARGET(NL0),
1401     ENUM_TARGET(NL1),
1402     ENUM_END,
1403 };
1404 
1405 UNUSED static struct enums termios_oflags_CRDLY[] = {
1406     ENUM_TARGET(CR0),
1407     ENUM_TARGET(CR1),
1408     ENUM_TARGET(CR2),
1409     ENUM_TARGET(CR3),
1410     ENUM_END,
1411 };
1412 
1413 UNUSED static struct enums termios_oflags_TABDLY[] = {
1414     ENUM_TARGET(TAB0),
1415     ENUM_TARGET(TAB1),
1416     ENUM_TARGET(TAB2),
1417     ENUM_TARGET(TAB3),
1418     ENUM_END,
1419 };
1420 
1421 UNUSED static struct enums termios_oflags_VTDLY[] = {
1422     ENUM_TARGET(VT0),
1423     ENUM_TARGET(VT1),
1424     ENUM_END,
1425 };
1426 
1427 UNUSED static struct enums termios_oflags_FFDLY[] = {
1428     ENUM_TARGET(FF0),
1429     ENUM_TARGET(FF1),
1430     ENUM_END,
1431 };
1432 
1433 UNUSED static struct enums termios_oflags_BSDLY[] = {
1434     ENUM_TARGET(BS0),
1435     ENUM_TARGET(BS1),
1436     ENUM_END,
1437 };
1438 
1439 UNUSED static struct enums termios_cflags_CBAUD[] = {
1440     ENUM_TARGET(B0),
1441     ENUM_TARGET(B50),
1442     ENUM_TARGET(B75),
1443     ENUM_TARGET(B110),
1444     ENUM_TARGET(B134),
1445     ENUM_TARGET(B150),
1446     ENUM_TARGET(B200),
1447     ENUM_TARGET(B300),
1448     ENUM_TARGET(B600),
1449     ENUM_TARGET(B1200),
1450     ENUM_TARGET(B1800),
1451     ENUM_TARGET(B2400),
1452     ENUM_TARGET(B4800),
1453     ENUM_TARGET(B9600),
1454     ENUM_TARGET(B19200),
1455     ENUM_TARGET(B38400),
1456     ENUM_TARGET(B57600),
1457     ENUM_TARGET(B115200),
1458     ENUM_TARGET(B230400),
1459     ENUM_TARGET(B460800),
1460     ENUM_END,
1461 };
1462 
1463 UNUSED static struct enums termios_cflags_CSIZE[] = {
1464     ENUM_TARGET(CS5),
1465     ENUM_TARGET(CS6),
1466     ENUM_TARGET(CS7),
1467     ENUM_TARGET(CS8),
1468     ENUM_END,
1469 };
1470 
1471 UNUSED static const struct flags termios_cflags[] = {
1472     FLAG_TARGET(CSTOPB),
1473     FLAG_TARGET(CREAD),
1474     FLAG_TARGET(PARENB),
1475     FLAG_TARGET(PARODD),
1476     FLAG_TARGET(HUPCL),
1477     FLAG_TARGET(CLOCAL),
1478     FLAG_TARGET(CRTSCTS),
1479     FLAG_END,
1480 };
1481 
1482 UNUSED static const struct flags termios_lflags[] = {
1483     FLAG_TARGET(ISIG),
1484     FLAG_TARGET(ICANON),
1485     FLAG_TARGET(XCASE),
1486     FLAG_TARGET(ECHO),
1487     FLAG_TARGET(ECHOE),
1488     FLAG_TARGET(ECHOK),
1489     FLAG_TARGET(ECHONL),
1490     FLAG_TARGET(NOFLSH),
1491     FLAG_TARGET(TOSTOP),
1492     FLAG_TARGET(ECHOCTL),
1493     FLAG_TARGET(ECHOPRT),
1494     FLAG_TARGET(ECHOKE),
1495     FLAG_TARGET(FLUSHO),
1496     FLAG_TARGET(PENDIN),
1497     FLAG_TARGET(IEXTEN),
1498     FLAG_TARGET(EXTPROC),
1499     FLAG_END,
1500 };
1501 
1502 #ifdef TARGET_NR_mlockall
1503 static const struct flags mlockall_flags[] = {
1504     FLAG_TARGET(MCL_CURRENT),
1505     FLAG_TARGET(MCL_FUTURE),
1506 #ifdef MCL_ONFAULT
1507     FLAG_TARGET(MCL_ONFAULT),
1508 #endif
1509     FLAG_END,
1510 };
1511 #endif
1512 
1513 /* IDs of the various system clocks */
1514 #define TARGET_CLOCK_REALTIME              0
1515 #define TARGET_CLOCK_MONOTONIC             1
1516 #define TARGET_CLOCK_PROCESS_CPUTIME_ID    2
1517 #define TARGET_CLOCK_THREAD_CPUTIME_ID     3
1518 #define TARGET_CLOCK_MONOTONIC_RAW         4
1519 #define TARGET_CLOCK_REALTIME_COARSE       5
1520 #define TARGET_CLOCK_MONOTONIC_COARSE      6
1521 #define TARGET_CLOCK_BOOTTIME              7
1522 #define TARGET_CLOCK_REALTIME_ALARM        8
1523 #define TARGET_CLOCK_BOOTTIME_ALARM        9
1524 #define TARGET_CLOCK_SGI_CYCLE             10
1525 #define TARGET_CLOCK_TAI                   11
1526 
1527 UNUSED static struct enums clockids[] = {
1528     ENUM_TARGET(CLOCK_REALTIME),
1529     ENUM_TARGET(CLOCK_MONOTONIC),
1530     ENUM_TARGET(CLOCK_PROCESS_CPUTIME_ID),
1531     ENUM_TARGET(CLOCK_THREAD_CPUTIME_ID),
1532     ENUM_TARGET(CLOCK_MONOTONIC_RAW),
1533     ENUM_TARGET(CLOCK_REALTIME_COARSE),
1534     ENUM_TARGET(CLOCK_MONOTONIC_COARSE),
1535     ENUM_TARGET(CLOCK_BOOTTIME),
1536     ENUM_TARGET(CLOCK_REALTIME_ALARM),
1537     ENUM_TARGET(CLOCK_BOOTTIME_ALARM),
1538     ENUM_TARGET(CLOCK_SGI_CYCLE),
1539     ENUM_TARGET(CLOCK_TAI),
1540     ENUM_END,
1541 };
1542 
1543 UNUSED static struct enums itimer_types[] = {
1544     ENUM_GENERIC(ITIMER_REAL),
1545     ENUM_GENERIC(ITIMER_VIRTUAL),
1546     ENUM_GENERIC(ITIMER_PROF),
1547     ENUM_END,
1548 };
1549 
1550 /*
1551  * print_xxx utility functions.  These are used to print syscall
1552  * parameters in certain format.  All of these have parameter
1553  * named 'last'.  This parameter is used to add comma to output
1554  * when last == 0.
1555  */
1556 
1557 static const char *
1558 get_comma(int last)
1559 {
1560     return ((last) ? "" : ",");
1561 }
1562 
1563 static void
1564 print_flags(const struct flags *f, abi_long flags, int last)
1565 {
1566     const char *sep = "";
1567     int n;
1568 
1569     for (n = 0; f->f_string != NULL; f++) {
1570         if ((flags & f->f_mask) == f->f_value) {
1571             qemu_log("%s%s", sep, f->f_string);
1572             flags &= ~f->f_mask;
1573             sep = "|";
1574             n++;
1575         }
1576     }
1577 
1578     if (n > 0) {
1579         /* print rest of the flags as numeric */
1580         if (flags != 0) {
1581             qemu_log("%s%#x%s", sep, (unsigned int)flags, get_comma(last));
1582         } else {
1583             qemu_log("%s", get_comma(last));
1584         }
1585     } else {
1586         /* no string version of flags found, print them in hex then */
1587         qemu_log("%#x%s", (unsigned int)flags, get_comma(last));
1588     }
1589 }
1590 
1591 static void
1592 print_enums(const struct enums *e, abi_long enum_arg, int last)
1593 {
1594     for (; e->e_string != NULL; e++) {
1595         if (e->e_value == enum_arg) {
1596             qemu_log("%s", e->e_string);
1597             break;
1598         }
1599     }
1600 
1601     if (e->e_string == NULL) {
1602         qemu_log("%#x", (unsigned int)enum_arg);
1603     }
1604 
1605     qemu_log("%s", get_comma(last));
1606 }
1607 
1608 static void
1609 print_at_dirfd(abi_long dirfd, int last)
1610 {
1611 #ifdef AT_FDCWD
1612     if (dirfd == AT_FDCWD) {
1613         qemu_log("AT_FDCWD%s", get_comma(last));
1614         return;
1615     }
1616 #endif
1617     qemu_log("%d%s", (int)dirfd, get_comma(last));
1618 }
1619 
1620 static void
1621 print_file_mode(abi_long mode, int last)
1622 {
1623     const char *sep = "";
1624     const struct flags *m;
1625 
1626     if (mode == 0) {
1627         qemu_log("000%s", get_comma(last));
1628         return;
1629     }
1630 
1631     for (m = &mode_flags[0]; m->f_string != NULL; m++) {
1632         if ((m->f_value & mode) == m->f_value) {
1633             qemu_log("%s%s", m->f_string, sep);
1634             sep = "|";
1635             mode &= ~m->f_value;
1636             break;
1637         }
1638     }
1639 
1640     mode &= ~S_IFMT;
1641     /* print rest of the mode as octal */
1642     if (mode != 0)
1643         qemu_log("%s%#o", sep, (unsigned int)mode);
1644 
1645     qemu_log("%s", get_comma(last));
1646 }
1647 
1648 static void
1649 print_open_flags(abi_long flags, int last)
1650 {
1651     print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1);
1652     flags &= ~TARGET_O_ACCMODE;
1653     if (flags == 0) {
1654         qemu_log("%s", get_comma(last));
1655         return;
1656     }
1657     qemu_log("|");
1658     print_flags(open_flags, flags, last);
1659 }
1660 
1661 static void
1662 print_syscall_prologue(const struct syscallname *sc)
1663 {
1664     qemu_log("%s(", sc->name);
1665 }
1666 
1667 /*ARGSUSED*/
1668 static void
1669 print_syscall_epilogue(const struct syscallname *sc)
1670 {
1671     (void)sc;
1672     qemu_log(")");
1673 }
1674 
1675 static void
1676 print_string(abi_long addr, int last)
1677 {
1678     char *s;
1679 
1680     if ((s = lock_user_string(addr)) != NULL) {
1681         qemu_log("\"%s\"%s", s, get_comma(last));
1682         unlock_user(s, addr, 0);
1683     } else {
1684         /* can't get string out of it, so print it as pointer */
1685         print_pointer(addr, last);
1686     }
1687 }
1688 
1689 #define MAX_PRINT_BUF 40
1690 static void
1691 print_buf(abi_long addr, abi_long len, int last)
1692 {
1693     uint8_t *s;
1694     int i;
1695 
1696     s = lock_user(VERIFY_READ, addr, len, 1);
1697     if (s) {
1698         qemu_log("\"");
1699         for (i = 0; i < MAX_PRINT_BUF && i < len; i++) {
1700             if (isprint(s[i])) {
1701                 qemu_log("%c", s[i]);
1702             } else {
1703                 qemu_log("\\%o", s[i]);
1704             }
1705         }
1706         qemu_log("\"");
1707         if (i != len) {
1708             qemu_log("...");
1709         }
1710         if (!last) {
1711             qemu_log(",");
1712         }
1713         unlock_user(s, addr, 0);
1714     } else {
1715         print_pointer(addr, last);
1716     }
1717 }
1718 
1719 static void
1720 print_buf_len(abi_long addr, abi_long len, int last)
1721 {
1722     print_buf(addr, len, 0);
1723     print_raw_param(TARGET_ABI_FMT_ld, len, last);
1724 }
1725 
1726 /*
1727  * Prints out raw parameter using given format.  Caller needs
1728  * to do byte swapping if needed.
1729  */
1730 static void
1731 print_raw_param(const char *fmt, abi_long param, int last)
1732 {
1733     char format[64];
1734 
1735     (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last));
1736     qemu_log(format, param);
1737 }
1738 
1739 /*
1740  * Same as print_raw_param() but prints out raw 64-bit parameter.
1741  */
1742 static void
1743 print_raw_param64(const char *fmt, long long param, int last)
1744 {
1745     char format[64];
1746 
1747     (void)snprintf(format, sizeof(format), "%s%s", fmt, get_comma(last));
1748     qemu_log(format, param);
1749 }
1750 
1751 
1752 static void
1753 print_pointer(abi_long p, int last)
1754 {
1755     if (p == 0)
1756         qemu_log("NULL%s", get_comma(last));
1757     else
1758         qemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last));
1759 }
1760 
1761 /*
1762  * Reads 32-bit (int) number from guest address space from
1763  * address 'addr' and prints it.
1764  */
1765 static void
1766 print_number(abi_long addr, int last)
1767 {
1768     if (addr == 0) {
1769         qemu_log("NULL%s", get_comma(last));
1770     } else {
1771         int num;
1772 
1773         get_user_s32(num, addr);
1774         qemu_log("[%d]%s", num, get_comma(last));
1775     }
1776 }
1777 
1778 static void
1779 print_timeval(abi_ulong tv_addr, int last)
1780 {
1781     if( tv_addr ) {
1782         struct target_timeval *tv;
1783 
1784         tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
1785         if (!tv) {
1786             print_pointer(tv_addr, last);
1787             return;
1788         }
1789         qemu_log("{tv_sec = " TARGET_ABI_FMT_ld
1790                  ",tv_usec = " TARGET_ABI_FMT_ld "}%s",
1791                  tswapal(tv->tv_sec), tswapal(tv->tv_usec), get_comma(last));
1792         unlock_user(tv, tv_addr, 0);
1793     } else
1794         qemu_log("NULL%s", get_comma(last));
1795 }
1796 
1797 static void
1798 print_timespec(abi_ulong ts_addr, int last)
1799 {
1800     if (ts_addr) {
1801         struct target_timespec *ts;
1802 
1803         ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1);
1804         if (!ts) {
1805             print_pointer(ts_addr, last);
1806             return;
1807         }
1808         qemu_log("{tv_sec = " TARGET_ABI_FMT_ld
1809                  ",tv_nsec = " TARGET_ABI_FMT_ld "}%s",
1810                  tswapal(ts->tv_sec), tswapal(ts->tv_nsec), get_comma(last));
1811         unlock_user(ts, ts_addr, 0);
1812     } else {
1813         qemu_log("NULL%s", get_comma(last));
1814     }
1815 }
1816 
1817 static void
1818 print_timespec64(abi_ulong ts_addr, int last)
1819 {
1820     if (ts_addr) {
1821         struct target__kernel_timespec *ts;
1822 
1823         ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1);
1824         if (!ts) {
1825             print_pointer(ts_addr, last);
1826             return;
1827         }
1828         print_raw_param64("{tv_sec=%" PRId64, tswap64(ts->tv_sec), 0);
1829         print_raw_param64("tv_nsec=%" PRId64 "}", tswap64(ts->tv_nsec), last);
1830         unlock_user(ts, ts_addr, 0);
1831     } else {
1832         qemu_log("NULL%s", get_comma(last));
1833     }
1834 }
1835 
1836 static void
1837 print_timezone(abi_ulong tz_addr, int last)
1838 {
1839     if (tz_addr) {
1840         struct target_timezone *tz;
1841 
1842         tz = lock_user(VERIFY_READ, tz_addr, sizeof(*tz), 1);
1843         if (!tz) {
1844             print_pointer(tz_addr, last);
1845             return;
1846         }
1847         qemu_log("{%d,%d}%s", tswap32(tz->tz_minuteswest),
1848                  tswap32(tz->tz_dsttime), get_comma(last));
1849         unlock_user(tz, tz_addr, 0);
1850     } else {
1851         qemu_log("NULL%s", get_comma(last));
1852     }
1853 }
1854 
1855 static void
1856 print_itimerval(abi_ulong it_addr, int last)
1857 {
1858     if (it_addr) {
1859         qemu_log("{it_interval=");
1860         print_timeval(it_addr +
1861                       offsetof(struct target_itimerval, it_interval), 0);
1862         qemu_log("it_value=");
1863         print_timeval(it_addr +
1864                       offsetof(struct target_itimerval, it_value), 0);
1865         qemu_log("}%s", get_comma(last));
1866     } else {
1867         qemu_log("NULL%s", get_comma(last));
1868     }
1869 }
1870 
1871 void
1872 print_termios(void *arg)
1873 {
1874     const struct target_termios *target = arg;
1875 
1876     target_tcflag_t iflags = tswap32(target->c_iflag);
1877     target_tcflag_t oflags = tswap32(target->c_oflag);
1878     target_tcflag_t cflags = tswap32(target->c_cflag);
1879     target_tcflag_t lflags = tswap32(target->c_lflag);
1880 
1881     qemu_log("{");
1882 
1883     qemu_log("c_iflag = ");
1884     print_flags(termios_iflags, iflags, 0);
1885 
1886     qemu_log("c_oflag = ");
1887     target_tcflag_t oflags_clean =  oflags & ~(TARGET_NLDLY | TARGET_CRDLY |
1888                                                TARGET_TABDLY | TARGET_BSDLY |
1889                                                TARGET_VTDLY | TARGET_FFDLY);
1890     print_flags(termios_oflags, oflags_clean, 0);
1891     if (oflags & TARGET_NLDLY) {
1892         print_enums(termios_oflags_NLDLY, oflags & TARGET_NLDLY, 0);
1893     }
1894     if (oflags & TARGET_CRDLY) {
1895         print_enums(termios_oflags_CRDLY, oflags & TARGET_CRDLY, 0);
1896     }
1897     if (oflags & TARGET_TABDLY) {
1898         print_enums(termios_oflags_TABDLY, oflags & TARGET_TABDLY, 0);
1899     }
1900     if (oflags & TARGET_BSDLY) {
1901         print_enums(termios_oflags_BSDLY, oflags & TARGET_BSDLY, 0);
1902     }
1903     if (oflags & TARGET_VTDLY) {
1904         print_enums(termios_oflags_VTDLY, oflags & TARGET_VTDLY, 0);
1905     }
1906     if (oflags & TARGET_FFDLY) {
1907         print_enums(termios_oflags_FFDLY, oflags & TARGET_FFDLY, 0);
1908     }
1909 
1910     qemu_log("c_cflag = ");
1911     if (cflags & TARGET_CBAUD) {
1912         print_enums(termios_cflags_CBAUD, cflags & TARGET_CBAUD, 0);
1913     }
1914     if (cflags & TARGET_CSIZE) {
1915         print_enums(termios_cflags_CSIZE, cflags & TARGET_CSIZE, 0);
1916     }
1917     target_tcflag_t cflags_clean = cflags & ~(TARGET_CBAUD | TARGET_CSIZE);
1918     print_flags(termios_cflags, cflags_clean, 0);
1919 
1920     qemu_log("c_lflag = ");
1921     print_flags(termios_lflags, lflags, 0);
1922 
1923     qemu_log("c_cc = ");
1924     qemu_log("\"%s\",", target->c_cc);
1925 
1926     qemu_log("c_line = ");
1927     print_raw_param("\'%c\'", target->c_line, 1);
1928 
1929     qemu_log("}");
1930 }
1931 
1932 #undef UNUSED
1933 
1934 #ifdef TARGET_NR_accept
1935 static void
1936 print_accept(CPUArchState *cpu_env, const struct syscallname *name,
1937              abi_long arg0, abi_long arg1, abi_long arg2,
1938              abi_long arg3, abi_long arg4, abi_long arg5)
1939 {
1940     print_syscall_prologue(name);
1941     print_raw_param("%d", arg0, 0);
1942     print_pointer(arg1, 0);
1943     print_number(arg2, 1);
1944     print_syscall_epilogue(name);
1945 }
1946 #endif
1947 
1948 #ifdef TARGET_NR_access
1949 static void
1950 print_access(CPUArchState *cpu_env, const struct syscallname *name,
1951              abi_long arg0, abi_long arg1, abi_long arg2,
1952              abi_long arg3, abi_long arg4, abi_long arg5)
1953 {
1954     print_syscall_prologue(name);
1955     print_string(arg0, 0);
1956     print_flags(access_flags, arg1, 1);
1957     print_syscall_epilogue(name);
1958 }
1959 #endif
1960 
1961 #ifdef TARGET_NR_acct
1962 static void
1963 print_acct(CPUArchState *cpu_env, const struct syscallname *name,
1964            abi_long arg0, abi_long arg1, abi_long arg2,
1965            abi_long arg3, abi_long arg4, abi_long arg5)
1966 {
1967     print_syscall_prologue(name);
1968     print_string(arg0, 1);
1969     print_syscall_epilogue(name);
1970 }
1971 #endif
1972 
1973 #ifdef TARGET_NR_brk
1974 static void
1975 print_brk(CPUArchState *cpu_env, const struct syscallname *name,
1976           abi_long arg0, abi_long arg1, abi_long arg2,
1977           abi_long arg3, abi_long arg4, abi_long arg5)
1978 {
1979     print_syscall_prologue(name);
1980     print_pointer(arg0, 1);
1981     print_syscall_epilogue(name);
1982 }
1983 #endif
1984 
1985 #ifdef TARGET_NR_chdir
1986 static void
1987 print_chdir(CPUArchState *cpu_env, const struct syscallname *name,
1988             abi_long arg0, abi_long arg1, abi_long arg2,
1989             abi_long arg3, abi_long arg4, abi_long arg5)
1990 {
1991     print_syscall_prologue(name);
1992     print_string(arg0, 1);
1993     print_syscall_epilogue(name);
1994 }
1995 #endif
1996 
1997 #ifdef TARGET_NR_chroot
1998 static void
1999 print_chroot(CPUArchState *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_string(arg0, 1);
2005     print_syscall_epilogue(name);
2006 }
2007 #endif
2008 
2009 #ifdef TARGET_NR_chmod
2010 static void
2011 print_chmod(CPUArchState *cpu_env, const struct syscallname *name,
2012             abi_long arg0, abi_long arg1, abi_long arg2,
2013             abi_long arg3, abi_long arg4, abi_long arg5)
2014 {
2015     print_syscall_prologue(name);
2016     print_string(arg0, 0);
2017     print_file_mode(arg1, 1);
2018     print_syscall_epilogue(name);
2019 }
2020 #endif
2021 
2022 #if defined(TARGET_NR_chown) || defined(TARGET_NR_lchown)
2023 static void
2024 print_chown(CPUArchState *cpu_env, const struct syscallname *name,
2025             abi_long arg0, abi_long arg1, abi_long arg2,
2026             abi_long arg3, abi_long arg4, abi_long arg5)
2027 {
2028     print_syscall_prologue(name);
2029     print_string(arg0, 0);
2030     print_raw_param("%d", arg1, 0);
2031     print_raw_param("%d", arg2, 1);
2032     print_syscall_epilogue(name);
2033 }
2034 #define print_lchown     print_chown
2035 #endif
2036 
2037 #ifdef TARGET_NR_clock_adjtime
2038 static void
2039 print_clock_adjtime(CPUArchState *cpu_env, const struct syscallname *name,
2040                     abi_long arg0, abi_long arg1, abi_long arg2,
2041                     abi_long arg3, abi_long arg4, abi_long arg5)
2042 {
2043     print_syscall_prologue(name);
2044     print_enums(clockids, arg0, 0);
2045     print_pointer(arg1, 1);
2046     print_syscall_epilogue(name);
2047 }
2048 #endif
2049 
2050 #ifdef TARGET_NR_clone
2051 static void do_print_clone(unsigned int flags, abi_ulong newsp,
2052                            abi_ulong parent_tidptr, target_ulong newtls,
2053                            abi_ulong child_tidptr)
2054 {
2055     print_flags(clone_flags, flags, 0);
2056     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, newsp, 0);
2057     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, parent_tidptr, 0);
2058     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, newtls, 0);
2059     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, child_tidptr, 1);
2060 }
2061 
2062 static void
2063 print_clone(CPUArchState *cpu_env, const struct syscallname *name,
2064             abi_long arg1, abi_long arg2, abi_long arg3,
2065             abi_long arg4, abi_long arg5, abi_long arg6)
2066 {
2067     print_syscall_prologue(name);
2068 #if defined(TARGET_MICROBLAZE)
2069     do_print_clone(arg1, arg2, arg4, arg6, arg5);
2070 #elif defined(TARGET_CLONE_BACKWARDS)
2071     do_print_clone(arg1, arg2, arg3, arg4, arg5);
2072 #elif defined(TARGET_CLONE_BACKWARDS2)
2073     do_print_clone(arg2, arg1, arg3, arg5, arg4);
2074 #else
2075     do_print_clone(arg1, arg2, arg3, arg5, arg4);
2076 #endif
2077     print_syscall_epilogue(name);
2078 }
2079 #endif
2080 
2081 #ifdef TARGET_NR_creat
2082 static void
2083 print_creat(CPUArchState *cpu_env, const struct syscallname *name,
2084             abi_long arg0, abi_long arg1, abi_long arg2,
2085             abi_long arg3, abi_long arg4, abi_long arg5)
2086 {
2087     print_syscall_prologue(name);
2088     print_string(arg0, 0);
2089     print_file_mode(arg1, 1);
2090     print_syscall_epilogue(name);
2091 }
2092 #endif
2093 
2094 #ifdef TARGET_NR_execv
2095 static void
2096 print_execv(CPUArchState *cpu_env, const struct syscallname *name,
2097             abi_long arg0, abi_long arg1, abi_long arg2,
2098             abi_long arg3, abi_long arg4, abi_long arg5)
2099 {
2100     print_syscall_prologue(name);
2101     print_string(arg0, 0);
2102     print_raw_param("0x" TARGET_ABI_FMT_lx, arg1, 1);
2103     print_syscall_epilogue(name);
2104 }
2105 #endif
2106 
2107 static void
2108 print_execve_argv(abi_long argv, int last)
2109 {
2110     abi_ulong arg_ptr_addr;
2111     char *s;
2112 
2113     qemu_log("{");
2114     for (arg_ptr_addr = argv; ; arg_ptr_addr += sizeof(abi_ulong)) {
2115         abi_ulong *arg_ptr, arg_addr;
2116 
2117         arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
2118         if (!arg_ptr) {
2119             return;
2120         }
2121         arg_addr = tswapal(*arg_ptr);
2122         unlock_user(arg_ptr, arg_ptr_addr, 0);
2123         if (!arg_addr) {
2124             break;
2125         }
2126         s = lock_user_string(arg_addr);
2127         if (s) {
2128             qemu_log("\"%s\",", s);
2129             unlock_user(s, arg_addr, 0);
2130         }
2131     }
2132     qemu_log("NULL}%s", get_comma(last));
2133 }
2134 
2135 static void
2136 print_execve(CPUArchState *cpu_env, const struct syscallname *name,
2137              abi_long arg1, abi_long arg2, abi_long arg3,
2138              abi_long arg4, abi_long arg5, abi_long arg6)
2139 {
2140     print_syscall_prologue(name);
2141     print_string(arg1, 0);
2142     print_execve_argv(arg2, 1);
2143     print_syscall_epilogue(name);
2144 }
2145 
2146 static void
2147 print_execveat(CPUArchState *cpu_env, const struct syscallname *name,
2148                abi_long arg1, abi_long arg2, abi_long arg3,
2149                abi_long arg4, abi_long arg5, abi_long arg6)
2150 {
2151     print_syscall_prologue(name);
2152     print_at_dirfd(arg1, 0);
2153     print_string(arg2, 0);
2154     print_execve_argv(arg3, 0);
2155     print_flags(execveat_flags, arg5, 1);
2156     print_syscall_epilogue(name);
2157 }
2158 
2159 #if defined(TARGET_NR_faccessat) || defined(TARGET_NR_faccessat2)
2160 static void
2161 print_faccessat(CPUArchState *cpu_env, const struct syscallname *name,
2162                 abi_long arg0, abi_long arg1, abi_long arg2,
2163                 abi_long arg3, abi_long arg4, abi_long arg5)
2164 {
2165     print_syscall_prologue(name);
2166     print_at_dirfd(arg0, 0);
2167     print_string(arg1, 0);
2168     print_flags(access_flags, arg2, 0);
2169     print_flags(at_file_flags, arg3, 1);
2170     print_syscall_epilogue(name);
2171 }
2172 #endif
2173 
2174 #ifdef TARGET_NR_fallocate
2175 static void
2176 print_fallocate(CPUArchState *cpu_env, const struct syscallname *name,
2177                 abi_long arg0, abi_long arg1, abi_long arg2,
2178                 abi_long arg3, abi_long arg4, abi_long arg5)
2179 {
2180     print_syscall_prologue(name);
2181     print_raw_param("%d", arg0, 0);
2182     print_flags(falloc_flags, arg1, 0);
2183 #if TARGET_ABI_BITS == 32
2184     print_raw_param("%" PRIu64, target_offset64(arg2, arg3), 0);
2185     print_raw_param("%" PRIu64, target_offset64(arg4, arg5), 1);
2186 #else
2187     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2188     print_raw_param(TARGET_ABI_FMT_ld, arg3, 1);
2189 #endif
2190     print_syscall_epilogue(name);
2191 }
2192 #endif
2193 
2194 #ifdef TARGET_NR_fchmodat
2195 static void
2196 print_fchmodat(CPUArchState *cpu_env, const struct syscallname *name,
2197                abi_long arg0, abi_long arg1, abi_long arg2,
2198                abi_long arg3, abi_long arg4, abi_long arg5)
2199 {
2200     print_syscall_prologue(name);
2201     print_at_dirfd(arg0, 0);
2202     print_string(arg1, 0);
2203     print_file_mode(arg2, 0);
2204     print_flags(at_file_flags, arg3, 1);
2205     print_syscall_epilogue(name);
2206 }
2207 #endif
2208 
2209 #ifdef TARGET_NR_fchownat
2210 static void
2211 print_fchownat(CPUArchState *cpu_env, const struct syscallname *name,
2212                abi_long arg0, abi_long arg1, abi_long arg2,
2213                abi_long arg3, abi_long arg4, abi_long arg5)
2214 {
2215     print_syscall_prologue(name);
2216     print_at_dirfd(arg0, 0);
2217     print_string(arg1, 0);
2218     print_raw_param("%d", arg2, 0);
2219     print_raw_param("%d", arg3, 0);
2220     print_flags(at_file_flags, arg4, 1);
2221     print_syscall_epilogue(name);
2222 }
2223 #endif
2224 
2225 #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
2226 static void
2227 print_fcntl(CPUArchState *cpu_env, const struct syscallname *name,
2228             abi_long arg0, abi_long arg1, abi_long arg2,
2229             abi_long arg3, abi_long arg4, abi_long arg5)
2230 {
2231     print_syscall_prologue(name);
2232     print_raw_param("%d", arg0, 0);
2233     switch(arg1) {
2234     case TARGET_F_DUPFD:
2235         qemu_log("F_DUPFD,");
2236         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2237         break;
2238     case TARGET_F_GETFD:
2239         qemu_log("F_GETFD");
2240         break;
2241     case TARGET_F_SETFD:
2242         qemu_log("F_SETFD,");
2243         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2244         break;
2245     case TARGET_F_GETFL:
2246         qemu_log("F_GETFL");
2247         break;
2248     case TARGET_F_SETFL:
2249         qemu_log("F_SETFL,");
2250         print_open_flags(arg2, 1);
2251         break;
2252     case TARGET_F_GETLK:
2253         qemu_log("F_GETLK,");
2254         print_pointer(arg2, 1);
2255         break;
2256     case TARGET_F_SETLK:
2257         qemu_log("F_SETLK,");
2258         print_pointer(arg2, 1);
2259         break;
2260     case TARGET_F_SETLKW:
2261         qemu_log("F_SETLKW,");
2262         print_pointer(arg2, 1);
2263         break;
2264     case TARGET_F_GETOWN:
2265         qemu_log("F_GETOWN");
2266         break;
2267     case TARGET_F_SETOWN:
2268         qemu_log("F_SETOWN,");
2269         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2270         break;
2271     case TARGET_F_GETSIG:
2272         qemu_log("F_GETSIG");
2273         break;
2274     case TARGET_F_SETSIG:
2275         qemu_log("F_SETSIG,");
2276         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2277         break;
2278 #if TARGET_ABI_BITS == 32
2279     case TARGET_F_GETLK64:
2280         qemu_log("F_GETLK64,");
2281         print_pointer(arg2, 1);
2282         break;
2283     case TARGET_F_SETLK64:
2284         qemu_log("F_SETLK64,");
2285         print_pointer(arg2, 1);
2286         break;
2287     case TARGET_F_SETLKW64:
2288         qemu_log("F_SETLKW64,");
2289         print_pointer(arg2, 1);
2290         break;
2291 #endif
2292     case TARGET_F_OFD_GETLK:
2293         qemu_log("F_OFD_GETLK,");
2294         print_pointer(arg2, 1);
2295         break;
2296     case TARGET_F_OFD_SETLK:
2297         qemu_log("F_OFD_SETLK,");
2298         print_pointer(arg2, 1);
2299         break;
2300     case TARGET_F_OFD_SETLKW:
2301         qemu_log("F_OFD_SETLKW,");
2302         print_pointer(arg2, 1);
2303         break;
2304     case TARGET_F_SETLEASE:
2305         qemu_log("F_SETLEASE,");
2306         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2307         break;
2308     case TARGET_F_GETLEASE:
2309         qemu_log("F_GETLEASE");
2310         break;
2311 #ifdef F_DUPFD_CLOEXEC
2312     case TARGET_F_DUPFD_CLOEXEC:
2313         qemu_log("F_DUPFD_CLOEXEC,");
2314         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2315         break;
2316 #endif
2317     case TARGET_F_NOTIFY:
2318         qemu_log("F_NOTIFY,");
2319         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2320         break;
2321 #ifdef F_GETOWN_EX
2322     case TARGET_F_GETOWN_EX:
2323         qemu_log("F_GETOWN_EX,");
2324         print_pointer(arg2, 1);
2325         break;
2326 #endif
2327 #ifdef F_SETOWN_EX
2328     case TARGET_F_SETOWN_EX:
2329         qemu_log("F_SETOWN_EX,");
2330         print_pointer(arg2, 1);
2331         break;
2332 #endif
2333 #ifdef F_SETPIPE_SZ
2334     case TARGET_F_SETPIPE_SZ:
2335         qemu_log("F_SETPIPE_SZ,");
2336         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2337         break;
2338     case TARGET_F_GETPIPE_SZ:
2339         qemu_log("F_GETPIPE_SZ");
2340         break;
2341 #endif
2342 #ifdef F_ADD_SEALS
2343     case TARGET_F_ADD_SEALS:
2344         qemu_log("F_ADD_SEALS,");
2345         print_raw_param("0x"TARGET_ABI_FMT_lx, arg2, 1);
2346         break;
2347     case TARGET_F_GET_SEALS:
2348         qemu_log("F_GET_SEALS");
2349         break;
2350 #endif
2351     default:
2352         print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
2353         print_pointer(arg2, 1);
2354         break;
2355     }
2356     print_syscall_epilogue(name);
2357 }
2358 #define print_fcntl64   print_fcntl
2359 #endif
2360 
2361 #ifdef TARGET_NR_fgetxattr
2362 static void
2363 print_fgetxattr(CPUArchState *cpu_env, const struct syscallname *name,
2364                 abi_long arg0, abi_long arg1, abi_long arg2,
2365                 abi_long arg3, abi_long arg4, abi_long arg5)
2366 {
2367     print_syscall_prologue(name);
2368     print_raw_param("%d", arg0, 0);
2369     print_string(arg1, 0);
2370     print_pointer(arg2, 0);
2371     print_raw_param(TARGET_FMT_lu, arg3, 1);
2372     print_syscall_epilogue(name);
2373 }
2374 #endif
2375 
2376 #ifdef TARGET_NR_flistxattr
2377 static void
2378 print_flistxattr(CPUArchState *cpu_env, const struct syscallname *name,
2379                  abi_long arg0, abi_long arg1, abi_long arg2,
2380                  abi_long arg3, abi_long arg4, abi_long arg5)
2381 {
2382     print_syscall_prologue(name);
2383     print_raw_param("%d", arg0, 0);
2384     print_pointer(arg1, 0);
2385     print_raw_param(TARGET_FMT_lu, arg2, 1);
2386     print_syscall_epilogue(name);
2387 }
2388 #endif
2389 
2390 #if defined(TARGET_NR_getxattr) || defined(TARGET_NR_lgetxattr)
2391 static void
2392 print_getxattr(CPUArchState *cpu_env, const struct syscallname *name,
2393                abi_long arg0, abi_long arg1, abi_long arg2,
2394                abi_long arg3, abi_long arg4, abi_long arg5)
2395 {
2396     print_syscall_prologue(name);
2397     print_string(arg0, 0);
2398     print_string(arg1, 0);
2399     print_pointer(arg2, 0);
2400     print_raw_param(TARGET_FMT_lu, arg3, 1);
2401     print_syscall_epilogue(name);
2402 }
2403 #define print_lgetxattr     print_getxattr
2404 #endif
2405 
2406 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr)
2407 static void
2408 print_listxattr(CPUArchState *cpu_env, const struct syscallname *name,
2409                 abi_long arg0, abi_long arg1, abi_long arg2,
2410                 abi_long arg3, abi_long arg4, abi_long arg5)
2411 {
2412     print_syscall_prologue(name);
2413     print_string(arg0, 0);
2414     print_pointer(arg1, 0);
2415     print_raw_param(TARGET_FMT_lu, arg2, 1);
2416     print_syscall_epilogue(name);
2417 }
2418 #define print_llistxattr     print_listxattr
2419 #endif
2420 
2421 #if defined(TARGET_NR_fremovexattr)
2422 static void
2423 print_fremovexattr(CPUArchState *cpu_env, const struct syscallname *name,
2424                    abi_long arg0, abi_long arg1, abi_long arg2,
2425                    abi_long arg3, abi_long arg4, abi_long arg5)
2426 {
2427     print_syscall_prologue(name);
2428     print_raw_param("%d", arg0, 0);
2429     print_string(arg1, 1);
2430     print_syscall_epilogue(name);
2431 }
2432 #endif
2433 
2434 #if defined(TARGET_NR_removexattr) || defined(TARGET_NR_lremovexattr)
2435 static void
2436 print_removexattr(CPUArchState *cpu_env, const struct syscallname *name,
2437                   abi_long arg0, abi_long arg1, abi_long arg2,
2438                   abi_long arg3, abi_long arg4, abi_long arg5)
2439 {
2440     print_syscall_prologue(name);
2441     print_string(arg0, 0);
2442     print_string(arg1, 1);
2443     print_syscall_epilogue(name);
2444 }
2445 #define print_lremovexattr     print_removexattr
2446 #endif
2447 
2448 #ifdef TARGET_NR_futimesat
2449 static void
2450 print_futimesat(CPUArchState *cpu_env, const struct syscallname *name,
2451                 abi_long arg0, abi_long arg1, abi_long arg2,
2452                 abi_long arg3, abi_long arg4, abi_long arg5)
2453 {
2454     print_syscall_prologue(name);
2455     print_at_dirfd(arg0, 0);
2456     print_string(arg1, 0);
2457     print_timeval(arg2, 0);
2458     print_timeval(arg2 + sizeof (struct target_timeval), 1);
2459     print_syscall_epilogue(name);
2460 }
2461 #endif
2462 
2463 #ifdef TARGET_NR_gettimeofday
2464 static void
2465 print_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name,
2466                    abi_long arg0, abi_long arg1, abi_long arg2,
2467                    abi_long arg3, abi_long arg4, abi_long arg5)
2468 {
2469     print_syscall_prologue(name);
2470     print_pointer(arg0, 0);
2471     print_pointer(arg1, 1);
2472     print_syscall_epilogue(name);
2473 }
2474 #endif
2475 
2476 #ifdef TARGET_NR_settimeofday
2477 static void
2478 print_settimeofday(CPUArchState *cpu_env, const struct syscallname *name,
2479                    abi_long arg0, abi_long arg1, abi_long arg2,
2480                    abi_long arg3, abi_long arg4, abi_long arg5)
2481 {
2482     print_syscall_prologue(name);
2483     print_timeval(arg0, 0);
2484     print_timezone(arg1, 1);
2485     print_syscall_epilogue(name);
2486 }
2487 #endif
2488 
2489 #if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
2490 static void
2491 print_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name,
2492                     abi_long arg0, abi_long arg1, abi_long arg2,
2493                     abi_long arg3, abi_long arg4, abi_long arg5)
2494 {
2495     print_syscall_prologue(name);
2496     print_enums(clockids, arg0, 0);
2497     print_pointer(arg1, 1);
2498     print_syscall_epilogue(name);
2499 }
2500 #define print_clock_getres     print_clock_gettime
2501 #endif
2502 
2503 #if defined(TARGET_NR_clock_gettime64)
2504 static void
2505 print_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name,
2506                     abi_long arg0, abi_long arg1, abi_long arg2,
2507                     abi_long arg3, abi_long arg4, abi_long arg5)
2508 {
2509     print_syscall_prologue(name);
2510     print_enums(clockids, arg0, 0);
2511     print_pointer(arg1, 1);
2512     print_syscall_epilogue(name);
2513 }
2514 #endif
2515 
2516 #ifdef TARGET_NR_clock_settime
2517 static void
2518 print_clock_settime(CPUArchState *cpu_env, const struct syscallname *name,
2519                     abi_long arg0, abi_long arg1, abi_long arg2,
2520                     abi_long arg3, abi_long arg4, abi_long arg5)
2521 {
2522     print_syscall_prologue(name);
2523     print_enums(clockids, arg0, 0);
2524     print_timespec(arg1, 1);
2525     print_syscall_epilogue(name);
2526 }
2527 #endif
2528 
2529 #ifdef TARGET_NR_getitimer
2530 static void
2531 print_getitimer(CPUArchState *cpu_env, const struct syscallname *name,
2532                 abi_long arg0, abi_long arg1, abi_long arg2,
2533                 abi_long arg3, abi_long arg4, abi_long arg5)
2534 {
2535     print_syscall_prologue(name);
2536     print_enums(itimer_types, arg0, 0);
2537     print_pointer(arg1, 1);
2538     print_syscall_epilogue(name);
2539 }
2540 #endif
2541 
2542 #ifdef TARGET_NR_setitimer
2543 static void
2544 print_setitimer(CPUArchState *cpu_env, const struct syscallname *name,
2545                 abi_long arg0, abi_long arg1, abi_long arg2,
2546                 abi_long arg3, abi_long arg4, abi_long arg5)
2547 {
2548     print_syscall_prologue(name);
2549     print_enums(itimer_types, arg0, 0);
2550     print_itimerval(arg1, 0);
2551     print_pointer(arg2, 1);
2552     print_syscall_epilogue(name);
2553 }
2554 #endif
2555 
2556 #ifdef TARGET_NR_link
2557 static void
2558 print_link(CPUArchState *cpu_env, const struct syscallname *name,
2559            abi_long arg0, abi_long arg1, abi_long arg2,
2560            abi_long arg3, abi_long arg4, abi_long arg5)
2561 {
2562     print_syscall_prologue(name);
2563     print_string(arg0, 0);
2564     print_string(arg1, 1);
2565     print_syscall_epilogue(name);
2566 }
2567 #endif
2568 
2569 #ifdef TARGET_NR_linkat
2570 static void
2571 print_linkat(CPUArchState *cpu_env, const struct syscallname *name,
2572              abi_long arg0, abi_long arg1, abi_long arg2,
2573              abi_long arg3, abi_long arg4, abi_long arg5)
2574 {
2575     print_syscall_prologue(name);
2576     print_at_dirfd(arg0, 0);
2577     print_string(arg1, 0);
2578     print_at_dirfd(arg2, 0);
2579     print_string(arg3, 0);
2580     print_flags(at_file_flags, arg4, 1);
2581     print_syscall_epilogue(name);
2582 }
2583 #endif
2584 
2585 #if defined(TARGET_NR__llseek) || defined(TARGET_NR_llseek)
2586 static void
2587 print__llseek(CPUArchState *cpu_env, const struct syscallname *name,
2588               abi_long arg0, abi_long arg1, abi_long arg2,
2589               abi_long arg3, abi_long arg4, abi_long arg5)
2590 {
2591     const char *whence = "UNKNOWN";
2592     print_syscall_prologue(name);
2593     print_raw_param("%d", arg0, 0);
2594     print_raw_param("%ld", arg1, 0);
2595     print_raw_param("%ld", arg2, 0);
2596     print_pointer(arg3, 0);
2597     switch(arg4) {
2598     case SEEK_SET: whence = "SEEK_SET"; break;
2599     case SEEK_CUR: whence = "SEEK_CUR"; break;
2600     case SEEK_END: whence = "SEEK_END"; break;
2601     }
2602     qemu_log("%s", whence);
2603     print_syscall_epilogue(name);
2604 }
2605 #define print_llseek print__llseek
2606 #endif
2607 
2608 #ifdef TARGET_NR_lseek
2609 static void
2610 print_lseek(CPUArchState *cpu_env, const struct syscallname *name,
2611             abi_long arg0, abi_long arg1, abi_long arg2,
2612             abi_long arg3, abi_long arg4, abi_long arg5)
2613 {
2614     print_syscall_prologue(name);
2615     print_raw_param("%d", arg0, 0);
2616     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
2617     switch (arg2) {
2618     case SEEK_SET:
2619         qemu_log("SEEK_SET"); break;
2620     case SEEK_CUR:
2621         qemu_log("SEEK_CUR"); break;
2622     case SEEK_END:
2623         qemu_log("SEEK_END"); break;
2624 #ifdef SEEK_DATA
2625     case SEEK_DATA:
2626         qemu_log("SEEK_DATA"); break;
2627 #endif
2628 #ifdef SEEK_HOLE
2629     case SEEK_HOLE:
2630         qemu_log("SEEK_HOLE"); break;
2631 #endif
2632     default:
2633         print_raw_param("%#x", arg2, 1);
2634     }
2635     print_syscall_epilogue(name);
2636 }
2637 #endif
2638 
2639 #ifdef TARGET_NR_truncate
2640 static void
2641 print_truncate(CPUArchState *cpu_env, const struct syscallname *name,
2642                abi_long arg0, abi_long arg1, abi_long arg2,
2643                abi_long arg3, abi_long arg4, abi_long arg5)
2644 {
2645     print_syscall_prologue(name);
2646     print_string(arg0, 0);
2647     print_raw_param(TARGET_ABI_FMT_ld, arg1, 1);
2648     print_syscall_epilogue(name);
2649 }
2650 #endif
2651 
2652 #ifdef TARGET_NR_truncate64
2653 static void
2654 print_truncate64(CPUArchState *cpu_env, const struct syscallname *name,
2655                  abi_long arg0, abi_long arg1, abi_long arg2,
2656                  abi_long arg3, abi_long arg4, abi_long arg5)
2657 {
2658     print_syscall_prologue(name);
2659     print_string(arg0, 0);
2660     if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) {
2661         arg1 = arg2;
2662         arg2 = arg3;
2663     }
2664     print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1);
2665     print_syscall_epilogue(name);
2666 }
2667 #endif
2668 
2669 #ifdef TARGET_NR_ftruncate64
2670 static void
2671 print_ftruncate64(CPUArchState *cpu_env, const struct syscallname *name,
2672                   abi_long arg0, abi_long arg1, abi_long arg2,
2673                   abi_long arg3, abi_long arg4, abi_long arg5)
2674 {
2675     print_syscall_prologue(name);
2676     print_raw_param("%d", arg0, 0);
2677     if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) {
2678         arg1 = arg2;
2679         arg2 = arg3;
2680     }
2681     print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1);
2682     print_syscall_epilogue(name);
2683 }
2684 #endif
2685 
2686 #ifdef TARGET_NR_mlockall
2687 static void
2688 print_mlockall(CPUArchState *cpu_env, const struct syscallname *name,
2689                abi_long arg0, abi_long arg1, abi_long arg2,
2690                abi_long arg3, abi_long arg4, abi_long arg5)
2691 {
2692     print_syscall_prologue(name);
2693     print_flags(mlockall_flags, arg0, 1);
2694     print_syscall_epilogue(name);
2695 }
2696 #endif
2697 
2698 #if defined(TARGET_NR_socket)
2699 static void
2700 print_socket(CPUArchState *cpu_env, const struct syscallname *name,
2701              abi_long arg0, abi_long arg1, abi_long arg2,
2702              abi_long arg3, abi_long arg4, abi_long arg5)
2703 {
2704     abi_ulong domain = arg0, type = arg1, protocol = arg2;
2705 
2706     print_syscall_prologue(name);
2707     print_socket_domain(domain);
2708     qemu_log(",");
2709     print_socket_type(type);
2710     qemu_log(",");
2711     if (domain == AF_PACKET ||
2712         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
2713         protocol = tswap16(protocol);
2714     }
2715     print_socket_protocol(domain, type, protocol);
2716     print_syscall_epilogue(name);
2717 }
2718 
2719 #endif
2720 
2721 #if defined(TARGET_NR_socketcall) || defined(TARGET_NR_bind)
2722 
2723 static void print_sockfd(abi_long sockfd, int last)
2724 {
2725     print_raw_param(TARGET_ABI_FMT_ld, sockfd, last);
2726 }
2727 
2728 #endif
2729 
2730 #if defined(TARGET_NR_socketcall)
2731 
2732 #define get_user_ualx(x, gaddr, idx) \
2733         get_user_ual(x, (gaddr) + (idx) * sizeof(abi_long))
2734 
2735 static void do_print_socket(const char *name, abi_long arg1)
2736 {
2737     abi_ulong domain, type, protocol;
2738 
2739     get_user_ualx(domain, arg1, 0);
2740     get_user_ualx(type, arg1, 1);
2741     get_user_ualx(protocol, arg1, 2);
2742     qemu_log("%s(", name);
2743     print_socket_domain(domain);
2744     qemu_log(",");
2745     print_socket_type(type);
2746     qemu_log(",");
2747     if (domain == AF_PACKET ||
2748         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
2749         protocol = tswap16(protocol);
2750     }
2751     print_socket_protocol(domain, type, protocol);
2752     qemu_log(")");
2753 }
2754 
2755 static void do_print_sockaddr(const char *name, abi_long arg1)
2756 {
2757     abi_ulong sockfd, addr, addrlen;
2758 
2759     get_user_ualx(sockfd, arg1, 0);
2760     get_user_ualx(addr, arg1, 1);
2761     get_user_ualx(addrlen, arg1, 2);
2762 
2763     qemu_log("%s(", name);
2764     print_sockfd(sockfd, 0);
2765     print_sockaddr(addr, addrlen, 0);
2766     qemu_log(")");
2767 }
2768 
2769 static void do_print_listen(const char *name, abi_long arg1)
2770 {
2771     abi_ulong sockfd, backlog;
2772 
2773     get_user_ualx(sockfd, arg1, 0);
2774     get_user_ualx(backlog, arg1, 1);
2775 
2776     qemu_log("%s(", name);
2777     print_sockfd(sockfd, 0);
2778     print_raw_param(TARGET_ABI_FMT_ld, backlog, 1);
2779     qemu_log(")");
2780 }
2781 
2782 static void do_print_socketpair(const char *name, abi_long arg1)
2783 {
2784     abi_ulong domain, type, protocol, tab;
2785 
2786     get_user_ualx(domain, arg1, 0);
2787     get_user_ualx(type, arg1, 1);
2788     get_user_ualx(protocol, arg1, 2);
2789     get_user_ualx(tab, arg1, 3);
2790 
2791     qemu_log("%s(", name);
2792     print_socket_domain(domain);
2793     qemu_log(",");
2794     print_socket_type(type);
2795     qemu_log(",");
2796     print_socket_protocol(domain, type, protocol);
2797     qemu_log(",");
2798     print_raw_param(TARGET_ABI_FMT_lx, tab, 1);
2799     qemu_log(")");
2800 }
2801 
2802 static void do_print_sendrecv(const char *name, abi_long arg1)
2803 {
2804     abi_ulong sockfd, msg, len, flags;
2805 
2806     get_user_ualx(sockfd, arg1, 0);
2807     get_user_ualx(msg, arg1, 1);
2808     get_user_ualx(len, arg1, 2);
2809     get_user_ualx(flags, arg1, 3);
2810 
2811     qemu_log("%s(", name);
2812     print_sockfd(sockfd, 0);
2813     print_buf_len(msg, len, 0);
2814     print_flags(msg_flags, flags, 1);
2815     qemu_log(")");
2816 }
2817 
2818 static void do_print_msgaddr(const char *name, abi_long arg1)
2819 {
2820     abi_ulong sockfd, msg, len, flags, addr, addrlen;
2821 
2822     get_user_ualx(sockfd, arg1, 0);
2823     get_user_ualx(msg, arg1, 1);
2824     get_user_ualx(len, arg1, 2);
2825     get_user_ualx(flags, arg1, 3);
2826     get_user_ualx(addr, arg1, 4);
2827     get_user_ualx(addrlen, arg1, 5);
2828 
2829     qemu_log("%s(", name);
2830     print_sockfd(sockfd, 0);
2831     print_buf_len(msg, len, 0);
2832     print_flags(msg_flags, flags, 0);
2833     print_sockaddr(addr, addrlen, 0);
2834     qemu_log(")");
2835 }
2836 
2837 static void do_print_shutdown(const char *name, abi_long arg1)
2838 {
2839     abi_ulong sockfd, how;
2840 
2841     get_user_ualx(sockfd, arg1, 0);
2842     get_user_ualx(how, arg1, 1);
2843 
2844     qemu_log("shutdown(");
2845     print_sockfd(sockfd, 0);
2846     switch (how) {
2847     case SHUT_RD:
2848         qemu_log("SHUT_RD");
2849         break;
2850     case SHUT_WR:
2851         qemu_log("SHUT_WR");
2852         break;
2853     case SHUT_RDWR:
2854         qemu_log("SHUT_RDWR");
2855         break;
2856     default:
2857         print_raw_param(TARGET_ABI_FMT_ld, how, 1);
2858         break;
2859     }
2860     qemu_log(")");
2861 }
2862 
2863 static void do_print_msg(const char *name, abi_long arg1)
2864 {
2865     abi_ulong sockfd, msg, flags;
2866 
2867     get_user_ualx(sockfd, arg1, 0);
2868     get_user_ualx(msg, arg1, 1);
2869     get_user_ualx(flags, arg1, 2);
2870 
2871     qemu_log("%s(", name);
2872     print_sockfd(sockfd, 0);
2873     print_pointer(msg, 0);
2874     print_flags(msg_flags, flags, 1);
2875     qemu_log(")");
2876 }
2877 
2878 static void do_print_sockopt(const char *name, abi_long arg1)
2879 {
2880     abi_ulong sockfd, level, optname, optval, optlen;
2881 
2882     get_user_ualx(sockfd, arg1, 0);
2883     get_user_ualx(level, arg1, 1);
2884     get_user_ualx(optname, arg1, 2);
2885     get_user_ualx(optval, arg1, 3);
2886     get_user_ualx(optlen, arg1, 4);
2887 
2888     qemu_log("%s(", name);
2889     print_sockfd(sockfd, 0);
2890     switch (level) {
2891     case SOL_TCP:
2892         qemu_log("SOL_TCP,");
2893         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2894         print_pointer(optval, 0);
2895         break;
2896     case SOL_UDP:
2897         qemu_log("SOL_UDP,");
2898         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2899         print_pointer(optval, 0);
2900         break;
2901     case SOL_IP:
2902         qemu_log("SOL_IP,");
2903         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2904         print_pointer(optval, 0);
2905         break;
2906     case SOL_RAW:
2907         qemu_log("SOL_RAW,");
2908         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2909         print_pointer(optval, 0);
2910         break;
2911     case TARGET_SOL_SOCKET:
2912         qemu_log("SOL_SOCKET,");
2913         switch (optname) {
2914         case TARGET_SO_DEBUG:
2915             qemu_log("SO_DEBUG,");
2916 print_optint:
2917             print_number(optval, 0);
2918             break;
2919         case TARGET_SO_REUSEADDR:
2920             qemu_log("SO_REUSEADDR,");
2921             goto print_optint;
2922         case TARGET_SO_REUSEPORT:
2923             qemu_log("SO_REUSEPORT,");
2924             goto print_optint;
2925         case TARGET_SO_TYPE:
2926             qemu_log("SO_TYPE,");
2927             goto print_optint;
2928         case TARGET_SO_ERROR:
2929             qemu_log("SO_ERROR,");
2930             goto print_optint;
2931         case TARGET_SO_DONTROUTE:
2932             qemu_log("SO_DONTROUTE,");
2933             goto print_optint;
2934         case TARGET_SO_BROADCAST:
2935             qemu_log("SO_BROADCAST,");
2936             goto print_optint;
2937         case TARGET_SO_SNDBUF:
2938             qemu_log("SO_SNDBUF,");
2939             goto print_optint;
2940         case TARGET_SO_RCVBUF:
2941             qemu_log("SO_RCVBUF,");
2942             goto print_optint;
2943         case TARGET_SO_KEEPALIVE:
2944             qemu_log("SO_KEEPALIVE,");
2945             goto print_optint;
2946         case TARGET_SO_OOBINLINE:
2947             qemu_log("SO_OOBINLINE,");
2948             goto print_optint;
2949         case TARGET_SO_NO_CHECK:
2950             qemu_log("SO_NO_CHECK,");
2951             goto print_optint;
2952         case TARGET_SO_PRIORITY:
2953             qemu_log("SO_PRIORITY,");
2954             goto print_optint;
2955         case TARGET_SO_BSDCOMPAT:
2956             qemu_log("SO_BSDCOMPAT,");
2957             goto print_optint;
2958         case TARGET_SO_PASSCRED:
2959             qemu_log("SO_PASSCRED,");
2960             goto print_optint;
2961         case TARGET_SO_TIMESTAMP:
2962             qemu_log("SO_TIMESTAMP,");
2963             goto print_optint;
2964         case TARGET_SO_RCVLOWAT:
2965             qemu_log("SO_RCVLOWAT,");
2966             goto print_optint;
2967         case TARGET_SO_RCVTIMEO:
2968             qemu_log("SO_RCVTIMEO,");
2969             print_timeval(optval, 0);
2970             break;
2971         case TARGET_SO_SNDTIMEO:
2972             qemu_log("SO_SNDTIMEO,");
2973             print_timeval(optval, 0);
2974             break;
2975         case TARGET_SO_ATTACH_FILTER: {
2976             struct target_sock_fprog *fprog;
2977 
2978             qemu_log("SO_ATTACH_FILTER,");
2979 
2980             if (lock_user_struct(VERIFY_READ, fprog, optval,  0)) {
2981                 struct target_sock_filter *filter;
2982                 qemu_log("{");
2983                 if (lock_user_struct(VERIFY_READ, filter,
2984                                      tswapal(fprog->filter),  0)) {
2985                     int i;
2986                     for (i = 0; i < tswap16(fprog->len) - 1; i++) {
2987                         qemu_log("[%d]{0x%x,%d,%d,0x%x},",
2988                                  i, tswap16(filter[i].code),
2989                                  filter[i].jt, filter[i].jf,
2990                                  tswap32(filter[i].k));
2991                     }
2992                     qemu_log("[%d]{0x%x,%d,%d,0x%x}",
2993                              i, tswap16(filter[i].code),
2994                              filter[i].jt, filter[i].jf,
2995                              tswap32(filter[i].k));
2996                 } else {
2997                     qemu_log(TARGET_ABI_FMT_lx, tswapal(fprog->filter));
2998                 }
2999                 qemu_log(",%d},", tswap16(fprog->len));
3000                 unlock_user(fprog, optval, 0);
3001             } else {
3002                 print_pointer(optval, 0);
3003             }
3004             break;
3005         }
3006         default:
3007             print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
3008             print_pointer(optval, 0);
3009             break;
3010         }
3011         break;
3012     case SOL_IPV6:
3013         qemu_log("SOL_IPV6,");
3014         switch (optname) {
3015         case IPV6_MTU_DISCOVER:
3016             qemu_log("IPV6_MTU_DISCOVER,");
3017             goto print_optint;
3018         case IPV6_MTU:
3019             qemu_log("IPV6_MTU,");
3020             goto print_optint;
3021         case IPV6_V6ONLY:
3022             qemu_log("IPV6_V6ONLY,");
3023             goto print_optint;
3024         case IPV6_RECVPKTINFO:
3025             qemu_log("IPV6_RECVPKTINFO,");
3026             goto print_optint;
3027         case IPV6_UNICAST_HOPS:
3028             qemu_log("IPV6_UNICAST_HOPS,");
3029             goto print_optint;
3030         case IPV6_MULTICAST_HOPS:
3031             qemu_log("IPV6_MULTICAST_HOPS,");
3032             goto print_optint;
3033         case IPV6_MULTICAST_LOOP:
3034             qemu_log("IPV6_MULTICAST_LOOP,");
3035             goto print_optint;
3036         case IPV6_RECVERR:
3037             qemu_log("IPV6_RECVERR,");
3038             goto print_optint;
3039         case IPV6_RECVHOPLIMIT:
3040             qemu_log("IPV6_RECVHOPLIMIT,");
3041             goto print_optint;
3042         case IPV6_2292HOPLIMIT:
3043             qemu_log("IPV6_2292HOPLIMIT,");
3044             goto print_optint;
3045         case IPV6_CHECKSUM:
3046             qemu_log("IPV6_CHECKSUM,");
3047             goto print_optint;
3048         case IPV6_ADDRFORM:
3049             qemu_log("IPV6_ADDRFORM,");
3050             goto print_optint;
3051         case IPV6_2292PKTINFO:
3052             qemu_log("IPV6_2292PKTINFO,");
3053             goto print_optint;
3054         case IPV6_RECVTCLASS:
3055             qemu_log("IPV6_RECVTCLASS,");
3056             goto print_optint;
3057         case IPV6_RECVRTHDR:
3058             qemu_log("IPV6_RECVRTHDR,");
3059             goto print_optint;
3060         case IPV6_2292RTHDR:
3061             qemu_log("IPV6_2292RTHDR,");
3062             goto print_optint;
3063         case IPV6_RECVHOPOPTS:
3064             qemu_log("IPV6_RECVHOPOPTS,");
3065             goto print_optint;
3066         case IPV6_2292HOPOPTS:
3067             qemu_log("IPV6_2292HOPOPTS,");
3068             goto print_optint;
3069         case IPV6_RECVDSTOPTS:
3070             qemu_log("IPV6_RECVDSTOPTS,");
3071             goto print_optint;
3072         case IPV6_2292DSTOPTS:
3073             qemu_log("IPV6_2292DSTOPTS,");
3074             goto print_optint;
3075         case IPV6_TCLASS:
3076             qemu_log("IPV6_TCLASS,");
3077             goto print_optint;
3078         case IPV6_ADDR_PREFERENCES:
3079             qemu_log("IPV6_ADDR_PREFERENCES,");
3080             goto print_optint;
3081 #ifdef IPV6_RECVPATHMTU
3082         case IPV6_RECVPATHMTU:
3083             qemu_log("IPV6_RECVPATHMTU,");
3084             goto print_optint;
3085 #endif
3086 #ifdef IPV6_TRANSPARENT
3087         case IPV6_TRANSPARENT:
3088             qemu_log("IPV6_TRANSPARENT,");
3089             goto print_optint;
3090 #endif
3091 #ifdef IPV6_FREEBIND
3092         case IPV6_FREEBIND:
3093             qemu_log("IPV6_FREEBIND,");
3094             goto print_optint;
3095 #endif
3096 #ifdef IPV6_RECVORIGDSTADDR
3097         case IPV6_RECVORIGDSTADDR:
3098             qemu_log("IPV6_RECVORIGDSTADDR,");
3099             goto print_optint;
3100 #endif
3101         case IPV6_PKTINFO:
3102             qemu_log("IPV6_PKTINFO,");
3103             print_pointer(optval, 0);
3104             break;
3105         case IPV6_ADD_MEMBERSHIP:
3106             qemu_log("IPV6_ADD_MEMBERSHIP,");
3107             print_pointer(optval, 0);
3108             break;
3109         case IPV6_DROP_MEMBERSHIP:
3110             qemu_log("IPV6_DROP_MEMBERSHIP,");
3111             print_pointer(optval, 0);
3112             break;
3113         default:
3114             print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
3115             print_pointer(optval, 0);
3116             break;
3117         }
3118         break;
3119     default:
3120         print_raw_param(TARGET_ABI_FMT_ld, level, 0);
3121         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
3122         print_pointer(optval, 0);
3123         break;
3124     }
3125     print_raw_param(TARGET_ABI_FMT_ld, optlen, 1);
3126     qemu_log(")");
3127 }
3128 
3129 #define PRINT_SOCKOP(name, func) \
3130     [TARGET_SYS_##name] = { #name, func }
3131 
3132 static struct {
3133     const char *name;
3134     void (*print)(const char *, abi_long);
3135 } scall[] = {
3136     PRINT_SOCKOP(SOCKET, do_print_socket),
3137     PRINT_SOCKOP(BIND, do_print_sockaddr),
3138     PRINT_SOCKOP(CONNECT, do_print_sockaddr),
3139     PRINT_SOCKOP(LISTEN, do_print_listen),
3140     PRINT_SOCKOP(ACCEPT, do_print_sockaddr),
3141     PRINT_SOCKOP(GETSOCKNAME, do_print_sockaddr),
3142     PRINT_SOCKOP(GETPEERNAME, do_print_sockaddr),
3143     PRINT_SOCKOP(SOCKETPAIR, do_print_socketpair),
3144     PRINT_SOCKOP(SEND, do_print_sendrecv),
3145     PRINT_SOCKOP(RECV, do_print_sendrecv),
3146     PRINT_SOCKOP(SENDTO, do_print_msgaddr),
3147     PRINT_SOCKOP(RECVFROM, do_print_msgaddr),
3148     PRINT_SOCKOP(SHUTDOWN, do_print_shutdown),
3149     PRINT_SOCKOP(SETSOCKOPT, do_print_sockopt),
3150     PRINT_SOCKOP(GETSOCKOPT, do_print_sockopt),
3151     PRINT_SOCKOP(SENDMSG, do_print_msg),
3152     PRINT_SOCKOP(RECVMSG, do_print_msg),
3153     PRINT_SOCKOP(ACCEPT4, NULL),
3154     PRINT_SOCKOP(RECVMMSG, NULL),
3155     PRINT_SOCKOP(SENDMMSG, NULL),
3156 };
3157 
3158 static void
3159 print_socketcall(CPUArchState *cpu_env, const struct syscallname *name,
3160                  abi_long arg0, abi_long arg1, abi_long arg2,
3161                  abi_long arg3, abi_long arg4, abi_long arg5)
3162 {
3163     if (arg0 >= 0 && arg0 < ARRAY_SIZE(scall) && scall[arg0].print) {
3164         scall[arg0].print(scall[arg0].name, arg1);
3165         return;
3166     }
3167     print_syscall_prologue(name);
3168     print_raw_param(TARGET_ABI_FMT_ld, arg0, 0);
3169     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
3170     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
3171     print_raw_param(TARGET_ABI_FMT_ld, arg3, 0);
3172     print_raw_param(TARGET_ABI_FMT_ld, arg4, 0);
3173     print_raw_param(TARGET_ABI_FMT_ld, arg5, 0);
3174     print_syscall_epilogue(name);
3175 }
3176 #endif
3177 
3178 #if defined(TARGET_NR_bind)
3179 static void
3180 print_bind(CPUArchState *cpu_env, const struct syscallname *name,
3181            abi_long arg0, abi_long arg1, abi_long arg2,
3182            abi_long arg3, abi_long arg4, abi_long arg5)
3183 {
3184     print_syscall_prologue(name);
3185     print_sockfd(arg0, 0);
3186     print_sockaddr(arg1, arg2, 1);
3187     print_syscall_epilogue(name);
3188 }
3189 #endif
3190 
3191 #ifdef TARGET_NR_recvfrom
3192 static void
3193 print_recvfrom(CPUArchState *cpu_env, const struct syscallname *name,
3194                abi_long arg0, abi_long arg1, abi_long arg2,
3195                abi_long arg3, abi_long arg4, abi_long arg5)
3196 {
3197     print_syscall_prologue(name);
3198     print_sockfd(arg0, 0);
3199     print_pointer(arg1, 0); /* output */
3200     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
3201     print_flags(msg_flags, arg3, 0);
3202     print_pointer(arg4, 0); /* output */
3203     print_pointer(arg5, 1); /* in/out */
3204     print_syscall_epilogue(name);
3205 }
3206 #endif
3207 
3208 #ifdef TARGET_NR_sendto
3209 static void
3210 print_sendto(CPUArchState *cpu_env, const struct syscallname *name,
3211              abi_long arg0, abi_long arg1, abi_long arg2,
3212              abi_long arg3, abi_long arg4, abi_long arg5)
3213 {
3214     print_syscall_prologue(name);
3215     print_sockfd(arg0, 0);
3216     print_buf_len(arg1, arg2, 0);
3217     print_flags(msg_flags, arg3, 0);
3218     print_sockaddr(arg4, arg5, 1);
3219     print_syscall_epilogue(name);
3220 }
3221 #endif
3222 
3223 #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
3224     defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
3225 static void
3226 print_stat(CPUArchState *cpu_env, const struct syscallname *name,
3227            abi_long arg0, abi_long arg1, abi_long arg2,
3228            abi_long arg3, abi_long arg4, abi_long arg5)
3229 {
3230     print_syscall_prologue(name);
3231     print_string(arg0, 0);
3232     print_pointer(arg1, 1);
3233     print_syscall_epilogue(name);
3234 }
3235 #define print_lstat     print_stat
3236 #define print_stat64	print_stat
3237 #define print_lstat64   print_stat
3238 #endif
3239 
3240 #if defined(TARGET_NR_madvise)
3241 static struct enums madvise_advice[] = {
3242     ENUM_TARGET(MADV_NORMAL),
3243     ENUM_TARGET(MADV_RANDOM),
3244     ENUM_TARGET(MADV_SEQUENTIAL),
3245     ENUM_TARGET(MADV_WILLNEED),
3246     ENUM_TARGET(MADV_DONTNEED),
3247     ENUM_TARGET(MADV_FREE),
3248     ENUM_TARGET(MADV_REMOVE),
3249     ENUM_TARGET(MADV_DONTFORK),
3250     ENUM_TARGET(MADV_DOFORK),
3251     ENUM_TARGET(MADV_MERGEABLE),
3252     ENUM_TARGET(MADV_UNMERGEABLE),
3253     ENUM_TARGET(MADV_HUGEPAGE),
3254     ENUM_TARGET(MADV_NOHUGEPAGE),
3255     ENUM_TARGET(MADV_DONTDUMP),
3256     ENUM_TARGET(MADV_DODUMP),
3257     ENUM_TARGET(MADV_WIPEONFORK),
3258     ENUM_TARGET(MADV_KEEPONFORK),
3259     ENUM_TARGET(MADV_COLD),
3260     ENUM_TARGET(MADV_PAGEOUT),
3261     ENUM_TARGET(MADV_POPULATE_READ),
3262     ENUM_TARGET(MADV_POPULATE_WRITE),
3263     ENUM_TARGET(MADV_DONTNEED_LOCKED),
3264     ENUM_END,
3265 };
3266 
3267 static void
3268 print_madvise(CPUArchState *cpu_env, const struct syscallname *name,
3269               abi_long arg0, abi_long arg1, abi_long arg2,
3270               abi_long arg3, abi_long arg4, abi_long arg5)
3271 {
3272     print_syscall_prologue(name);
3273     print_pointer(arg0, 0);
3274     print_raw_param("%d", arg1, 0);
3275     print_enums(madvise_advice, arg2, 1);
3276     print_syscall_epilogue(name);
3277 }
3278 #endif
3279 
3280 #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
3281 static void
3282 print_fstat(CPUArchState *cpu_env, const struct syscallname *name,
3283             abi_long arg0, abi_long arg1, abi_long arg2,
3284             abi_long arg3, abi_long arg4, abi_long arg5)
3285 {
3286     print_syscall_prologue(name);
3287     print_raw_param("%d", arg0, 0);
3288     print_pointer(arg1, 1);
3289     print_syscall_epilogue(name);
3290 }
3291 #define print_fstat64     print_fstat
3292 #endif
3293 
3294 #ifdef TARGET_NR_mkdir
3295 static void
3296 print_mkdir(CPUArchState *cpu_env, const struct syscallname *name,
3297             abi_long arg0, abi_long arg1, abi_long arg2,
3298             abi_long arg3, abi_long arg4, abi_long arg5)
3299 {
3300     print_syscall_prologue(name);
3301     print_string(arg0, 0);
3302     print_file_mode(arg1, 1);
3303     print_syscall_epilogue(name);
3304 }
3305 #endif
3306 
3307 #ifdef TARGET_NR_mkdirat
3308 static void
3309 print_mkdirat(CPUArchState *cpu_env, const struct syscallname *name,
3310               abi_long arg0, abi_long arg1, abi_long arg2,
3311               abi_long arg3, abi_long arg4, abi_long arg5)
3312 {
3313     print_syscall_prologue(name);
3314     print_at_dirfd(arg0, 0);
3315     print_string(arg1, 0);
3316     print_file_mode(arg2, 1);
3317     print_syscall_epilogue(name);
3318 }
3319 #endif
3320 
3321 #ifdef TARGET_NR_rmdir
3322 static void
3323 print_rmdir(CPUArchState *cpu_env, const struct syscallname *name,
3324             abi_long arg0, abi_long arg1, abi_long arg2,
3325             abi_long arg3, abi_long arg4, abi_long arg5)
3326 {
3327     print_syscall_prologue(name);
3328     print_string(arg0, 0);
3329     print_syscall_epilogue(name);
3330 }
3331 #endif
3332 
3333 #ifdef TARGET_NR_rt_sigaction
3334 static void
3335 print_rt_sigaction(CPUArchState *cpu_env, const struct syscallname *name,
3336                    abi_long arg0, abi_long arg1, abi_long arg2,
3337                    abi_long arg3, abi_long arg4, abi_long arg5)
3338 {
3339     print_syscall_prologue(name);
3340     print_signal(arg0, 0);
3341     print_pointer(arg1, 0);
3342     print_pointer(arg2, 1);
3343     print_syscall_epilogue(name);
3344 }
3345 #endif
3346 
3347 #ifdef TARGET_NR_rt_sigprocmask
3348 static void
3349 print_rt_sigprocmask(CPUArchState *cpu_env, const struct syscallname *name,
3350                      abi_long arg0, abi_long arg1, abi_long arg2,
3351                      abi_long arg3, abi_long arg4, abi_long arg5)
3352 {
3353     const char *how = "UNKNOWN";
3354     print_syscall_prologue(name);
3355     switch(arg0) {
3356     case TARGET_SIG_BLOCK: how = "SIG_BLOCK"; break;
3357     case TARGET_SIG_UNBLOCK: how = "SIG_UNBLOCK"; break;
3358     case TARGET_SIG_SETMASK: how = "SIG_SETMASK"; break;
3359     }
3360     qemu_log("%s,", how);
3361     print_target_sigset_t(arg1, arg3, 0);
3362     print_pointer(arg2, 0);
3363     print_raw_param("%u", arg3, 1);
3364     print_syscall_epilogue(name);
3365 }
3366 
3367 static void
3368 print_rt_sigprocmask_ret(CPUArchState *cpu_env, const struct syscallname *name,
3369                          abi_long ret, abi_long arg0, abi_long arg1,
3370                          abi_long arg2, abi_long arg3, abi_long arg4,
3371                          abi_long arg5)
3372 {
3373     if (!print_syscall_err(ret)) {
3374         qemu_log(TARGET_ABI_FMT_ld, ret);
3375         if (arg2) {
3376             qemu_log(" (oldset=");
3377             print_target_sigset_t(arg2, arg3, 1);
3378             qemu_log(")");
3379         }
3380     }
3381 
3382     qemu_log("\n");
3383 }
3384 #endif
3385 
3386 #ifdef TARGET_NR_rt_sigqueueinfo
3387 static void
3388 print_rt_sigqueueinfo(CPUArchState *cpu_env, const struct syscallname *name,
3389                       abi_long arg0, abi_long arg1, abi_long arg2,
3390                       abi_long arg3, abi_long arg4, abi_long arg5)
3391 {
3392     void *p;
3393     target_siginfo_t uinfo;
3394 
3395     print_syscall_prologue(name);
3396     print_raw_param("%d", arg0, 0);
3397     print_signal(arg1, 0);
3398     p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1);
3399     if (p) {
3400         get_target_siginfo(&uinfo, p);
3401         print_siginfo(&uinfo);
3402 
3403         unlock_user(p, arg2, 0);
3404     } else {
3405         print_pointer(arg2, 1);
3406     }
3407     print_syscall_epilogue(name);
3408 }
3409 #endif
3410 
3411 #ifdef TARGET_NR_rt_tgsigqueueinfo
3412 static void
3413 print_rt_tgsigqueueinfo(CPUArchState *cpu_env, const struct syscallname *name,
3414                         abi_long arg0, abi_long arg1, abi_long arg2,
3415                         abi_long arg3, abi_long arg4, abi_long arg5)
3416 {
3417     void *p;
3418     target_siginfo_t uinfo;
3419 
3420     print_syscall_prologue(name);
3421     print_raw_param("%d", arg0, 0);
3422     print_raw_param("%d", arg1, 0);
3423     print_signal(arg2, 0);
3424     p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
3425     if (p) {
3426         get_target_siginfo(&uinfo, p);
3427         print_siginfo(&uinfo);
3428 
3429         unlock_user(p, arg3, 0);
3430     } else {
3431         print_pointer(arg3, 1);
3432     }
3433     print_syscall_epilogue(name);
3434 }
3435 #endif
3436 
3437 #ifdef TARGET_NR_syslog
3438 static void
3439 print_syslog_action(abi_ulong arg, int last)
3440 {
3441     const char *type;
3442 
3443     switch (arg) {
3444         case TARGET_SYSLOG_ACTION_CLOSE: {
3445             type = "SYSLOG_ACTION_CLOSE";
3446             break;
3447         }
3448         case TARGET_SYSLOG_ACTION_OPEN: {
3449             type = "SYSLOG_ACTION_OPEN";
3450             break;
3451         }
3452         case TARGET_SYSLOG_ACTION_READ: {
3453             type = "SYSLOG_ACTION_READ";
3454             break;
3455         }
3456         case TARGET_SYSLOG_ACTION_READ_ALL: {
3457             type = "SYSLOG_ACTION_READ_ALL";
3458             break;
3459         }
3460         case TARGET_SYSLOG_ACTION_READ_CLEAR: {
3461             type = "SYSLOG_ACTION_READ_CLEAR";
3462             break;
3463         }
3464         case TARGET_SYSLOG_ACTION_CLEAR: {
3465             type = "SYSLOG_ACTION_CLEAR";
3466             break;
3467         }
3468         case TARGET_SYSLOG_ACTION_CONSOLE_OFF: {
3469             type = "SYSLOG_ACTION_CONSOLE_OFF";
3470             break;
3471         }
3472         case TARGET_SYSLOG_ACTION_CONSOLE_ON: {
3473             type = "SYSLOG_ACTION_CONSOLE_ON";
3474             break;
3475         }
3476         case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: {
3477             type = "SYSLOG_ACTION_CONSOLE_LEVEL";
3478             break;
3479         }
3480         case TARGET_SYSLOG_ACTION_SIZE_UNREAD: {
3481             type = "SYSLOG_ACTION_SIZE_UNREAD";
3482             break;
3483         }
3484         case TARGET_SYSLOG_ACTION_SIZE_BUFFER: {
3485             type = "SYSLOG_ACTION_SIZE_BUFFER";
3486             break;
3487         }
3488         default: {
3489             print_raw_param("%ld", arg, last);
3490             return;
3491         }
3492     }
3493     qemu_log("%s%s", type, get_comma(last));
3494 }
3495 
3496 static void
3497 print_syslog(CPUArchState *cpu_env, const struct syscallname *name,
3498              abi_long arg0, abi_long arg1, abi_long arg2,
3499              abi_long arg3, abi_long arg4, abi_long arg5)
3500 {
3501     print_syscall_prologue(name);
3502     print_syslog_action(arg0, 0);
3503     print_pointer(arg1, 0);
3504     print_raw_param("%d", arg2, 1);
3505     print_syscall_epilogue(name);
3506 }
3507 #endif
3508 
3509 #ifdef TARGET_NR_mknod
3510 static void
3511 print_mknod(CPUArchState *cpu_env, const struct syscallname *name,
3512             abi_long arg0, abi_long arg1, abi_long arg2,
3513             abi_long arg3, abi_long arg4, abi_long arg5)
3514 {
3515     int hasdev = (arg1 & (S_IFCHR|S_IFBLK));
3516 
3517     print_syscall_prologue(name);
3518     print_string(arg0, 0);
3519     print_file_mode(arg1, (hasdev == 0));
3520     if (hasdev) {
3521         print_raw_param("makedev(%d", major(arg2), 0);
3522         print_raw_param("%d)", minor(arg2), 1);
3523     }
3524     print_syscall_epilogue(name);
3525 }
3526 #endif
3527 
3528 #ifdef TARGET_NR_mknodat
3529 static void
3530 print_mknodat(CPUArchState *cpu_env, const struct syscallname *name,
3531               abi_long arg0, abi_long arg1, abi_long arg2,
3532               abi_long arg3, abi_long arg4, abi_long arg5)
3533 {
3534     int hasdev = (arg2 & (S_IFCHR|S_IFBLK));
3535 
3536     print_syscall_prologue(name);
3537     print_at_dirfd(arg0, 0);
3538     print_string(arg1, 0);
3539     print_file_mode(arg2, (hasdev == 0));
3540     if (hasdev) {
3541         print_raw_param("makedev(%d", major(arg3), 0);
3542         print_raw_param("%d)", minor(arg3), 1);
3543     }
3544     print_syscall_epilogue(name);
3545 }
3546 #endif
3547 
3548 #ifdef TARGET_NR_mq_open
3549 static void
3550 print_mq_open(CPUArchState *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     int is_creat = (arg1 & TARGET_O_CREAT);
3555 
3556     print_syscall_prologue(name);
3557     print_string(arg0, 0);
3558     print_open_flags(arg1, (is_creat == 0));
3559     if (is_creat) {
3560         print_file_mode(arg2, 0);
3561         print_pointer(arg3, 1);
3562     }
3563     print_syscall_epilogue(name);
3564 }
3565 #endif
3566 
3567 #ifdef TARGET_NR_open
3568 static void
3569 print_open(CPUArchState *cpu_env, const struct syscallname *name,
3570            abi_long arg0, abi_long arg1, abi_long arg2,
3571            abi_long arg3, abi_long arg4, abi_long arg5)
3572 {
3573     int is_creat = (arg1 & TARGET_O_CREAT);
3574 
3575     print_syscall_prologue(name);
3576     print_string(arg0, 0);
3577     print_open_flags(arg1, (is_creat == 0));
3578     if (is_creat)
3579         print_file_mode(arg2, 1);
3580     print_syscall_epilogue(name);
3581 }
3582 #endif
3583 
3584 #ifdef TARGET_NR_openat
3585 static void
3586 print_openat(CPUArchState *cpu_env, const struct syscallname *name,
3587              abi_long arg0, abi_long arg1, abi_long arg2,
3588              abi_long arg3, abi_long arg4, abi_long arg5)
3589 {
3590     int is_creat = (arg2 & TARGET_O_CREAT);
3591 
3592     print_syscall_prologue(name);
3593     print_at_dirfd(arg0, 0);
3594     print_string(arg1, 0);
3595     print_open_flags(arg2, (is_creat == 0));
3596     if (is_creat)
3597         print_file_mode(arg3, 1);
3598     print_syscall_epilogue(name);
3599 }
3600 #endif
3601 
3602 #ifdef TARGET_NR_openat2
3603 static void
3604 print_openat2(CPUArchState *cpu_env, const struct syscallname *name,
3605               abi_long arg0, abi_long arg1, abi_long arg2,
3606               abi_long arg3, abi_long arg4, abi_long arg5)
3607 {
3608     struct open_how_ver0 how;
3609 
3610     print_syscall_prologue(name);
3611     print_at_dirfd(arg0, 0);
3612     print_string(arg1, 0);
3613 
3614     if ((abi_ulong)arg3 >= sizeof(struct target_open_how_ver0) &&
3615         copy_struct_from_user(&how, sizeof(how), arg2, arg3) == 0) {
3616         how.flags = tswap64(how.flags);
3617         how.mode = tswap64(how.mode);
3618         how.resolve = tswap64(how.resolve);
3619         qemu_log("{");
3620         print_open_flags(how.flags, 0);
3621         if (how.flags & TARGET_O_CREAT) {
3622             print_file_mode(how.mode, 0);
3623         }
3624         print_flags(openat2_resolve_flags, how.resolve, 1);
3625         qemu_log("},");
3626     } else {
3627         print_pointer(arg2, 0);
3628     }
3629     print_raw_param(TARGET_ABI_FMT_lu, arg3, 1);
3630     print_syscall_epilogue(name);
3631 }
3632 #endif
3633 
3634 #ifdef TARGET_NR_pidfd_send_signal
3635 static void
3636 print_pidfd_send_signal(CPUArchState *cpu_env, const struct syscallname *name,
3637                 abi_long arg0, abi_long arg1, abi_long arg2,
3638                 abi_long arg3, abi_long arg4, abi_long arg5)
3639 {
3640     void *p;
3641     target_siginfo_t uinfo;
3642 
3643     print_syscall_prologue(name);
3644     print_raw_param("%d", arg0, 0);
3645     print_signal(arg1, 0);
3646 
3647     p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1);
3648     if (p) {
3649         get_target_siginfo(&uinfo, p);
3650         print_siginfo(&uinfo);
3651 
3652         unlock_user(p, arg2, 0);
3653     } else {
3654         print_pointer(arg2, 0);
3655     }
3656 
3657     print_raw_param("%u", arg3, 1);
3658     print_syscall_epilogue(name);
3659 }
3660 #endif
3661 
3662 #ifdef TARGET_NR_mq_unlink
3663 static void
3664 print_mq_unlink(CPUArchState *cpu_env, const struct syscallname *name,
3665                 abi_long arg0, abi_long arg1, abi_long arg2,
3666                 abi_long arg3, abi_long arg4, abi_long arg5)
3667 {
3668     print_syscall_prologue(name);
3669     print_string(arg0, 1);
3670     print_syscall_epilogue(name);
3671 }
3672 #endif
3673 
3674 #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
3675 static void
3676 print_fstatat64(CPUArchState *cpu_env, const struct syscallname *name,
3677                 abi_long arg0, abi_long arg1, abi_long arg2,
3678                 abi_long arg3, abi_long arg4, abi_long arg5)
3679 {
3680     print_syscall_prologue(name);
3681     print_at_dirfd(arg0, 0);
3682     print_string(arg1, 0);
3683     print_pointer(arg2, 0);
3684     print_flags(at_file_flags, arg3, 1);
3685     print_syscall_epilogue(name);
3686 }
3687 #define print_newfstatat    print_fstatat64
3688 #endif
3689 
3690 #ifdef TARGET_NR_readlink
3691 static void
3692 print_readlink(CPUArchState *cpu_env, const struct syscallname *name,
3693                abi_long arg0, abi_long arg1, abi_long arg2,
3694                abi_long arg3, abi_long arg4, abi_long arg5)
3695 {
3696     print_syscall_prologue(name);
3697     print_string(arg0, 0);
3698     print_pointer(arg1, 0);
3699     print_raw_param("%u", arg2, 1);
3700     print_syscall_epilogue(name);
3701 }
3702 #endif
3703 
3704 #ifdef TARGET_NR_readlinkat
3705 static void
3706 print_readlinkat(CPUArchState *cpu_env, const struct syscallname *name,
3707                  abi_long arg0, abi_long arg1, abi_long arg2,
3708                  abi_long arg3, abi_long arg4, abi_long arg5)
3709 {
3710     print_syscall_prologue(name);
3711     print_at_dirfd(arg0, 0);
3712     print_string(arg1, 0);
3713     print_pointer(arg2, 0);
3714     print_raw_param("%u", arg3, 1);
3715     print_syscall_epilogue(name);
3716 }
3717 #endif
3718 
3719 #ifdef TARGET_NR_rename
3720 static void
3721 print_rename(CPUArchState *cpu_env, const struct syscallname *name,
3722              abi_long arg0, abi_long arg1, abi_long arg2,
3723              abi_long arg3, abi_long arg4, abi_long arg5)
3724 {
3725     print_syscall_prologue(name);
3726     print_string(arg0, 0);
3727     print_string(arg1, 1);
3728     print_syscall_epilogue(name);
3729 }
3730 #endif
3731 
3732 #ifdef TARGET_NR_renameat
3733 static void
3734 print_renameat(CPUArchState *cpu_env, const struct syscallname *name,
3735                abi_long arg0, abi_long arg1, abi_long arg2,
3736                abi_long arg3, abi_long arg4, abi_long arg5)
3737 {
3738     print_syscall_prologue(name);
3739     print_at_dirfd(arg0, 0);
3740     print_string(arg1, 0);
3741     print_at_dirfd(arg2, 0);
3742     print_string(arg3, 1);
3743     print_syscall_epilogue(name);
3744 }
3745 #endif
3746 
3747 #ifdef TARGET_NR_statfs
3748 static void
3749 print_statfs(CPUArchState *cpu_env, const struct syscallname *name,
3750              abi_long arg0, abi_long arg1, abi_long arg2,
3751              abi_long arg3, abi_long arg4, abi_long arg5)
3752 {
3753     print_syscall_prologue(name);
3754     print_string(arg0, 0);
3755     print_pointer(arg1, 1);
3756     print_syscall_epilogue(name);
3757 }
3758 #endif
3759 
3760 #ifdef TARGET_NR_statfs64
3761 static void
3762 print_statfs64(CPUArchState *cpu_env, const struct syscallname *name,
3763                abi_long arg0, abi_long arg1, abi_long arg2,
3764                abi_long arg3, abi_long arg4, abi_long arg5)
3765 {
3766     print_syscall_prologue(name);
3767     print_string(arg0, 0);
3768     print_pointer(arg1, 1);
3769     print_syscall_epilogue(name);
3770 }
3771 #endif
3772 
3773 #ifdef TARGET_NR_symlink
3774 static void
3775 print_symlink(CPUArchState *cpu_env, const struct syscallname *name,
3776               abi_long arg0, abi_long arg1, abi_long arg2,
3777               abi_long arg3, abi_long arg4, abi_long arg5)
3778 {
3779     print_syscall_prologue(name);
3780     print_string(arg0, 0);
3781     print_string(arg1, 1);
3782     print_syscall_epilogue(name);
3783 }
3784 #endif
3785 
3786 #ifdef TARGET_NR_symlinkat
3787 static void
3788 print_symlinkat(CPUArchState *cpu_env, const struct syscallname *name,
3789                 abi_long arg0, abi_long arg1, abi_long arg2,
3790                 abi_long arg3, abi_long arg4, abi_long arg5)
3791 {
3792     print_syscall_prologue(name);
3793     print_string(arg0, 0);
3794     print_at_dirfd(arg1, 0);
3795     print_string(arg2, 1);
3796     print_syscall_epilogue(name);
3797 }
3798 #endif
3799 
3800 #ifdef TARGET_NR_mount
3801 static void
3802 print_mount(CPUArchState *cpu_env, const struct syscallname *name,
3803             abi_long arg0, abi_long arg1, abi_long arg2,
3804             abi_long arg3, abi_long arg4, abi_long arg5)
3805 {
3806     print_syscall_prologue(name);
3807     print_string(arg0, 0);
3808     print_string(arg1, 0);
3809     print_string(arg2, 0);
3810     print_flags(mount_flags, arg3, 0);
3811     print_pointer(arg4, 1);
3812     print_syscall_epilogue(name);
3813 }
3814 #endif
3815 
3816 #ifdef TARGET_NR_umount
3817 static void
3818 print_umount(CPUArchState *cpu_env, const struct syscallname *name,
3819              abi_long arg0, abi_long arg1, abi_long arg2,
3820              abi_long arg3, abi_long arg4, abi_long arg5)
3821 {
3822     print_syscall_prologue(name);
3823     print_string(arg0, 1);
3824     print_syscall_epilogue(name);
3825 }
3826 #endif
3827 
3828 #ifdef TARGET_NR_umount2
3829 static void
3830 print_umount2(CPUArchState *cpu_env, const struct syscallname *name,
3831               abi_long arg0, abi_long arg1, abi_long arg2,
3832               abi_long arg3, abi_long arg4, abi_long arg5)
3833 {
3834     print_syscall_prologue(name);
3835     print_string(arg0, 0);
3836     print_flags(umount2_flags, arg1, 1);
3837     print_syscall_epilogue(name);
3838 }
3839 #endif
3840 
3841 #ifdef TARGET_NR_unlink
3842 static void
3843 print_unlink(CPUArchState *cpu_env, const struct syscallname *name,
3844              abi_long arg0, abi_long arg1, abi_long arg2,
3845              abi_long arg3, abi_long arg4, abi_long arg5)
3846 {
3847     print_syscall_prologue(name);
3848     print_string(arg0, 1);
3849     print_syscall_epilogue(name);
3850 }
3851 #endif
3852 
3853 #ifdef TARGET_NR_unlinkat
3854 static void
3855 print_unlinkat(CPUArchState *cpu_env, const struct syscallname *name,
3856                abi_long arg0, abi_long arg1, abi_long arg2,
3857                abi_long arg3, abi_long arg4, abi_long arg5)
3858 {
3859     print_syscall_prologue(name);
3860     print_at_dirfd(arg0, 0);
3861     print_string(arg1, 0);
3862     print_flags(unlinkat_flags, arg2, 1);
3863     print_syscall_epilogue(name);
3864 }
3865 #endif
3866 
3867 #ifdef TARGET_NR_unshare
3868 static void
3869 print_unshare(CPUArchState *cpu_env, const struct syscallname *name,
3870               abi_long arg0, abi_long arg1, abi_long arg2,
3871               abi_long arg3, abi_long arg4, abi_long arg5)
3872 {
3873     print_syscall_prologue(name);
3874     print_flags(clone_flags, arg0, 1);
3875     print_syscall_epilogue(name);
3876 }
3877 #endif
3878 
3879 #ifdef TARGET_NR_clock_nanosleep
3880 static void
3881 print_clock_nanosleep(CPUArchState *cpu_env, const struct syscallname *name,
3882                 abi_long arg0, abi_long arg1, abi_long arg2,
3883                 abi_long arg3, abi_long arg4, abi_long arg5)
3884 {
3885     print_syscall_prologue(name);
3886     print_enums(clockids, arg0, 0);
3887     print_raw_param("%d", arg1, 0);
3888     print_timespec(arg2, 0);
3889     print_timespec(arg3, 1);
3890     print_syscall_epilogue(name);
3891 }
3892 #endif
3893 
3894 #ifdef TARGET_NR_utime
3895 static void
3896 print_utime(CPUArchState *cpu_env, const struct syscallname *name,
3897             abi_long arg0, abi_long arg1, abi_long arg2,
3898             abi_long arg3, abi_long arg4, abi_long arg5)
3899 {
3900     print_syscall_prologue(name);
3901     print_string(arg0, 0);
3902     print_pointer(arg1, 1);
3903     print_syscall_epilogue(name);
3904 }
3905 #endif
3906 
3907 #ifdef TARGET_NR_utimes
3908 static void
3909 print_utimes(CPUArchState *cpu_env, const struct syscallname *name,
3910              abi_long arg0, abi_long arg1, abi_long arg2,
3911              abi_long arg3, abi_long arg4, abi_long arg5)
3912 {
3913     print_syscall_prologue(name);
3914     print_string(arg0, 0);
3915     print_pointer(arg1, 1);
3916     print_syscall_epilogue(name);
3917 }
3918 #endif
3919 
3920 #ifdef TARGET_NR_utimensat
3921 static void
3922 print_utimensat(CPUArchState *cpu_env, const struct syscallname *name,
3923                 abi_long arg0, abi_long arg1, abi_long arg2,
3924                 abi_long arg3, abi_long arg4, abi_long arg5)
3925 {
3926     print_syscall_prologue(name);
3927     print_at_dirfd(arg0, 0);
3928     print_string(arg1, 0);
3929     print_pointer(arg2, 0);
3930     print_flags(at_file_flags, arg3, 1);
3931     print_syscall_epilogue(name);
3932 }
3933 #endif
3934 
3935 #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2)
3936 static void
3937 print_mmap_both(CPUArchState *cpu_env, const struct syscallname *name,
3938            abi_long arg0, abi_long arg1, abi_long arg2,
3939            abi_long arg3, abi_long arg4, abi_long arg5,
3940            bool is_old_mmap)
3941 {
3942     if (is_old_mmap) {
3943             abi_ulong *v;
3944             abi_ulong argp = arg0;
3945             if (!(v = lock_user(VERIFY_READ, argp, 6 * sizeof(abi_ulong), 1)))
3946                 return;
3947             arg0 = tswapal(v[0]);
3948             arg1 = tswapal(v[1]);
3949             arg2 = tswapal(v[2]);
3950             arg3 = tswapal(v[3]);
3951             arg4 = tswapal(v[4]);
3952             arg5 = tswapal(v[5]);
3953             unlock_user(v, argp, 0);
3954         }
3955     print_syscall_prologue(name);
3956     print_pointer(arg0, 0);
3957     print_raw_param("%d", arg1, 0);
3958     print_flags(mmap_prot_flags, arg2, 0);
3959     print_flags(mmap_flags, arg3, 0);
3960     print_raw_param("%d", arg4, 0);
3961     print_raw_param("%#x", arg5, 1);
3962     print_syscall_epilogue(name);
3963 }
3964 #endif
3965 
3966 #if defined(TARGET_NR_mmap)
3967 static void
3968 print_mmap(CPUArchState *cpu_env, const struct syscallname *name,
3969            abi_long arg0, abi_long arg1, abi_long arg2,
3970            abi_long arg3, abi_long arg4, abi_long arg5)
3971 {
3972     return print_mmap_both(cpu_env, name, arg0, arg1, arg2, arg3,
3973                            arg4, arg5,
3974 #if defined(TARGET_NR_mmap2)
3975                             true
3976 #else
3977                             false
3978 #endif
3979                             );
3980 }
3981 #endif
3982 
3983 #if defined(TARGET_NR_mmap2)
3984 static void
3985 print_mmap2(CPUArchState *cpu_env, const struct syscallname *name,
3986            abi_long arg0, abi_long arg1, abi_long arg2,
3987            abi_long arg3, abi_long arg4, abi_long arg5)
3988 {
3989     return print_mmap_both(cpu_env, name, arg0, arg1, arg2, arg3,
3990                            arg4, arg5, false);
3991 }
3992 #endif
3993 
3994 #ifdef TARGET_NR_mprotect
3995 static void
3996 print_mprotect(CPUArchState *cpu_env, const struct syscallname *name,
3997                abi_long arg0, abi_long arg1, abi_long arg2,
3998                abi_long arg3, abi_long arg4, abi_long arg5)
3999 {
4000     print_syscall_prologue(name);
4001     print_pointer(arg0, 0);
4002     print_raw_param("%d", arg1, 0);
4003     print_flags(mmap_prot_flags, arg2, 1);
4004     print_syscall_epilogue(name);
4005 }
4006 #endif
4007 
4008 #ifdef TARGET_NR_munmap
4009 static void
4010 print_munmap(CPUArchState *cpu_env, const struct syscallname *name,
4011              abi_long arg0, abi_long arg1, abi_long arg2,
4012              abi_long arg3, abi_long arg4, abi_long arg5)
4013 {
4014     print_syscall_prologue(name);
4015     print_pointer(arg0, 0);
4016     print_raw_param("%d", arg1, 1);
4017     print_syscall_epilogue(name);
4018 }
4019 #endif
4020 
4021 #ifdef TARGET_NR_futex
4022 static void print_futex_op(int cmd, int last)
4023 {
4024     static const char * const futex_names[] = {
4025 #define NAME(X)  [X] = #X
4026         NAME(FUTEX_WAIT),
4027         NAME(FUTEX_WAKE),
4028         NAME(FUTEX_FD),
4029         NAME(FUTEX_REQUEUE),
4030         NAME(FUTEX_CMP_REQUEUE),
4031         NAME(FUTEX_WAKE_OP),
4032         NAME(FUTEX_LOCK_PI),
4033         NAME(FUTEX_UNLOCK_PI),
4034         NAME(FUTEX_TRYLOCK_PI),
4035         NAME(FUTEX_WAIT_BITSET),
4036         NAME(FUTEX_WAKE_BITSET),
4037         NAME(FUTEX_WAIT_REQUEUE_PI),
4038         NAME(FUTEX_CMP_REQUEUE_PI),
4039         NAME(FUTEX_LOCK_PI2),
4040 #undef NAME
4041     };
4042 
4043     unsigned base_cmd = cmd & FUTEX_CMD_MASK;
4044 
4045     if (base_cmd < ARRAY_SIZE(futex_names)) {
4046         qemu_log("%s%s%s",
4047                  (cmd & FUTEX_PRIVATE_FLAG ? "FUTEX_PRIVATE_FLAG|" : ""),
4048                  (cmd & FUTEX_CLOCK_REALTIME ? "FUTEX_CLOCK_REALTIME|" : ""),
4049                  futex_names[base_cmd]);
4050     } else {
4051         qemu_log("0x%x", cmd);
4052     }
4053 }
4054 
4055 static void
4056 print_futex(CPUArchState *cpu_env, const struct syscallname *name,
4057             abi_long arg0, abi_long arg1, abi_long arg2,
4058             abi_long arg3, abi_long arg4, abi_long arg5)
4059 {
4060     abi_long op = arg1 & FUTEX_CMD_MASK;
4061     print_syscall_prologue(name);
4062     print_pointer(arg0, 0);
4063     print_futex_op(arg1, 0);
4064     print_raw_param(",%d", arg2, 0);
4065     switch (op) {
4066         case FUTEX_WAIT:
4067         case FUTEX_WAIT_BITSET:
4068         case FUTEX_LOCK_PI:
4069         case FUTEX_LOCK_PI2:
4070         case FUTEX_WAIT_REQUEUE_PI:
4071             print_timespec(arg3, 0);
4072             break;
4073         default:
4074             print_pointer(arg3, 0);
4075             break;
4076     }
4077     print_pointer(arg4, 0);
4078     print_raw_param("%d", arg4, 1);
4079     print_syscall_epilogue(name);
4080 }
4081 #endif
4082 
4083 #ifdef TARGET_NR_prlimit64
4084 static const char *target_ressource_string(abi_ulong r)
4085 {
4086     #define RET_RES_ENTRY(res) case TARGET_##res:  return #res;
4087     switch (r) {
4088     RET_RES_ENTRY(RLIMIT_AS);
4089     RET_RES_ENTRY(RLIMIT_CORE);
4090     RET_RES_ENTRY(RLIMIT_CPU);
4091     RET_RES_ENTRY(RLIMIT_DATA);
4092     RET_RES_ENTRY(RLIMIT_FSIZE);
4093     RET_RES_ENTRY(RLIMIT_LOCKS);
4094     RET_RES_ENTRY(RLIMIT_MEMLOCK);
4095     RET_RES_ENTRY(RLIMIT_MSGQUEUE);
4096     RET_RES_ENTRY(RLIMIT_NICE);
4097     RET_RES_ENTRY(RLIMIT_NOFILE);
4098     RET_RES_ENTRY(RLIMIT_NPROC);
4099     RET_RES_ENTRY(RLIMIT_RSS);
4100     RET_RES_ENTRY(RLIMIT_RTPRIO);
4101 #ifdef RLIMIT_RTTIME
4102     RET_RES_ENTRY(RLIMIT_RTTIME);
4103 #endif
4104     RET_RES_ENTRY(RLIMIT_SIGPENDING);
4105     RET_RES_ENTRY(RLIMIT_STACK);
4106     default:
4107         return NULL;
4108     }
4109     #undef RET_RES_ENTRY
4110 }
4111 
4112 static void
4113 print_rlimit64(abi_ulong rlim_addr, int last)
4114 {
4115     if (rlim_addr) {
4116         struct target_rlimit64 *rl;
4117 
4118         rl = lock_user(VERIFY_READ, rlim_addr, sizeof(*rl), 1);
4119         if (!rl) {
4120             print_pointer(rlim_addr, last);
4121             return;
4122         }
4123         print_raw_param64("{rlim_cur=%" PRId64, tswap64(rl->rlim_cur), 0);
4124         print_raw_param64("rlim_max=%" PRId64 "}", tswap64(rl->rlim_max),
4125                             last);
4126         unlock_user(rl, rlim_addr, 0);
4127     } else {
4128         qemu_log("NULL%s", get_comma(last));
4129     }
4130 }
4131 
4132 static void
4133 print_prlimit64(CPUArchState *cpu_env, const struct syscallname *name,
4134            abi_long arg0, abi_long arg1, abi_long arg2,
4135            abi_long arg3, abi_long arg4, abi_long arg5)
4136 {
4137     const char *rlim_name;
4138 
4139     print_syscall_prologue(name);
4140     print_raw_param("%d", arg0, 0);
4141     rlim_name = target_ressource_string(arg1);
4142     if (rlim_name) {
4143         qemu_log("%s,", rlim_name);
4144     } else {
4145         print_raw_param("%d", arg1, 0);
4146     }
4147     print_rlimit64(arg2, 0);
4148     print_pointer(arg3, 1);
4149     print_syscall_epilogue(name);
4150 }
4151 
4152 static void
4153 print_syscall_ret_prlimit64(CPUArchState *cpu_env,
4154                        const struct syscallname *name,
4155                        abi_long ret, abi_long arg0, abi_long arg1,
4156                        abi_long arg2, abi_long arg3, abi_long arg4,
4157                        abi_long arg5)
4158 {
4159     if (!print_syscall_err(ret)) {
4160         qemu_log(TARGET_ABI_FMT_ld, ret);
4161         if (arg3) {
4162             qemu_log(" (");
4163             print_rlimit64(arg3, 1);
4164             qemu_log(")");
4165         }
4166     }
4167     qemu_log("\n");
4168 }
4169 #endif
4170 
4171 #ifdef TARGET_NR_kill
4172 static void
4173 print_kill(CPUArchState *cpu_env, const struct syscallname *name,
4174            abi_long arg0, abi_long arg1, abi_long arg2,
4175            abi_long arg3, abi_long arg4, abi_long arg5)
4176 {
4177     print_syscall_prologue(name);
4178     print_raw_param("%d", arg0, 0);
4179     print_signal(arg1, 1);
4180     print_syscall_epilogue(name);
4181 }
4182 #endif
4183 
4184 #ifdef TARGET_NR_tkill
4185 static void
4186 print_tkill(CPUArchState *cpu_env, const struct syscallname *name,
4187             abi_long arg0, abi_long arg1, abi_long arg2,
4188             abi_long arg3, abi_long arg4, abi_long arg5)
4189 {
4190     print_syscall_prologue(name);
4191     print_raw_param("%d", arg0, 0);
4192     print_signal(arg1, 1);
4193     print_syscall_epilogue(name);
4194 }
4195 #endif
4196 
4197 #ifdef TARGET_NR_tgkill
4198 static void
4199 print_tgkill(CPUArchState *cpu_env, const struct syscallname *name,
4200              abi_long arg0, abi_long arg1, abi_long arg2,
4201              abi_long arg3, abi_long arg4, abi_long arg5)
4202 {
4203     print_syscall_prologue(name);
4204     print_raw_param("%d", arg0, 0);
4205     print_raw_param("%d", arg1, 0);
4206     print_signal(arg2, 1);
4207     print_syscall_epilogue(name);
4208 }
4209 #endif
4210 
4211 #if defined(TARGET_NR_pread64) || defined(TARGET_NR_pwrite64)
4212 static void
4213 print_pread64(CPUArchState *cpu_env, const struct syscallname *name,
4214         abi_long arg0, abi_long arg1, abi_long arg2,
4215         abi_long arg3, abi_long arg4, abi_long arg5)
4216 {
4217     if (regpairs_aligned(cpu_env, TARGET_NR_pread64)) {
4218         arg3 = arg4;
4219         arg4 = arg5;
4220     }
4221     print_syscall_prologue(name);
4222     print_raw_param("%d", arg0, 0);
4223     print_pointer(arg1, 0);
4224     print_raw_param("%d", arg2, 0);
4225     print_raw_param("%" PRIu64, target_offset64(arg3, arg4), 1);
4226     print_syscall_epilogue(name);
4227 }
4228 #endif
4229 
4230 #ifdef TARGET_NR_statx
4231 static void
4232 print_statx(CPUArchState *cpu_env, const struct syscallname *name,
4233             abi_long arg0, abi_long arg1, abi_long arg2,
4234             abi_long arg3, abi_long arg4, abi_long arg5)
4235 {
4236     print_syscall_prologue(name);
4237     print_at_dirfd(arg0, 0);
4238     print_string(arg1, 0);
4239     print_flags(statx_flags, arg2, 0);
4240     print_flags(statx_mask, arg3, 0);
4241     print_pointer(arg4, 1);
4242     print_syscall_epilogue(name);
4243 }
4244 #endif
4245 
4246 #ifdef TARGET_NR_ioctl
4247 static void
4248 print_ioctl(CPUArchState *cpu_env, const struct syscallname *name,
4249             abi_long arg0, abi_long arg1, abi_long arg2,
4250             abi_long arg3, abi_long arg4, abi_long arg5)
4251 {
4252     print_syscall_prologue(name);
4253     print_raw_param("%d", arg0, 0);
4254 
4255     const IOCTLEntry *ie;
4256     const argtype *arg_type;
4257     void *argptr;
4258     int target_size;
4259 
4260     for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
4261         if (ie->target_cmd == arg1) {
4262             break;
4263         }
4264     }
4265 
4266     if (ie->target_cmd == 0) {
4267         print_raw_param("%#x", arg1, 0);
4268         print_raw_param("%#x", arg2, 1);
4269     } else {
4270         qemu_log("%s", ie->name);
4271         arg_type = ie->arg_type;
4272 
4273         if (arg_type[0] != TYPE_NULL) {
4274             qemu_log(",");
4275 
4276             switch (arg_type[0]) {
4277             case TYPE_PTRVOID:
4278                 print_pointer(arg2, 1);
4279                 break;
4280             case TYPE_CHAR:
4281             case TYPE_SHORT:
4282             case TYPE_INT:
4283                 print_raw_param("%d", arg2, 1);
4284                 break;
4285             case TYPE_LONG:
4286                 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
4287                 break;
4288             case TYPE_ULONG:
4289                 print_raw_param(TARGET_ABI_FMT_lu, arg2, 1);
4290                 break;
4291             case TYPE_PTR:
4292                 switch (ie->access) {
4293                 case IOC_R:
4294                     print_pointer(arg2, 1);
4295                     break;
4296                 case IOC_W:
4297                 case IOC_RW:
4298                     arg_type++;
4299                     target_size = thunk_type_size(arg_type, 0);
4300                     argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
4301                     if (argptr) {
4302                         thunk_print(argptr, arg_type);
4303                         unlock_user(argptr, arg2, target_size);
4304                     } else {
4305                         print_pointer(arg2, 1);
4306                     }
4307                     break;
4308                 }
4309                 break;
4310             default:
4311                 g_assert_not_reached();
4312             }
4313         }
4314     }
4315     print_syscall_epilogue(name);
4316 }
4317 #endif
4318 
4319 #if defined(TARGET_NR_wait4) || defined(TARGET_NR_waitpid)
4320 static void print_wstatus(int wstatus)
4321 {
4322     if (WIFSIGNALED(wstatus)) {
4323         qemu_log("{WIFSIGNALED(s) && WTERMSIG(s) == ");
4324         print_signal(WTERMSIG(wstatus), 1);
4325         if (WCOREDUMP(wstatus)) {
4326             qemu_log(" && WCOREDUMP(s)");
4327         }
4328         qemu_log("}");
4329     } else if (WIFEXITED(wstatus)) {
4330         qemu_log("{WIFEXITED(s) && WEXITSTATUS(s) == %d}",
4331                  WEXITSTATUS(wstatus));
4332     } else {
4333         print_number(wstatus, 1);
4334     }
4335 }
4336 
4337 static void print_ret_wstatus(abi_long ret, abi_long wstatus_addr)
4338 {
4339     int wstatus;
4340 
4341     if (!print_syscall_err(ret)
4342         && wstatus_addr
4343         && get_user_s32(wstatus, wstatus_addr)) {
4344         qemu_log(TARGET_ABI_FMT_ld " (wstatus=", ret);
4345         print_wstatus(wstatus);
4346         qemu_log(")");
4347     }
4348     qemu_log("\n");
4349 }
4350 #endif
4351 
4352 #ifdef TARGET_NR_wait4
4353 static void
4354 print_syscall_ret_wait4(CPUArchState *cpu_env,
4355                         const struct syscallname *name,
4356                         abi_long ret, abi_long arg0, abi_long arg1,
4357                         abi_long arg2, abi_long arg3, abi_long arg4,
4358                         abi_long arg5)
4359 {
4360     print_ret_wstatus(ret, arg1);
4361 }
4362 #endif
4363 
4364 #ifdef TARGET_NR_waitpid
4365 static void
4366 print_syscall_ret_waitpid(CPUArchState *cpu_env,
4367                           const struct syscallname *name,
4368                           abi_long ret, abi_long arg0, abi_long arg1,
4369                           abi_long arg2, abi_long arg3, abi_long arg4,
4370                           abi_long arg5)
4371 {
4372     print_ret_wstatus(ret, arg1);
4373 }
4374 #endif
4375 
4376 /*
4377  * An array of all of the syscalls we know about
4378  */
4379 
4380 static const struct syscallname scnames[] = {
4381 #include "strace.list"
4382 };
4383 
4384 static int nsyscalls = ARRAY_SIZE(scnames);
4385 
4386 /*
4387  * The public interface to this module.
4388  */
4389 void
4390 print_syscall(CPUArchState *cpu_env, int num,
4391               abi_long arg1, abi_long arg2, abi_long arg3,
4392               abi_long arg4, abi_long arg5, abi_long arg6)
4393 {
4394     int i;
4395     FILE *f;
4396     const char *format = "%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ","
4397                                TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ","
4398                                TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")";
4399 
4400     f = qemu_log_trylock();
4401     if (!f) {
4402         return;
4403     }
4404     fprintf(f, "%d ", getpid());
4405 
4406     for (i = 0; i < nsyscalls; i++) {
4407         if (scnames[i].nr == num) {
4408             if (scnames[i].call != NULL) {
4409                 scnames[i].call(cpu_env, &scnames[i], arg1, arg2, arg3,
4410                                 arg4, arg5, arg6);
4411             } else {
4412                 /* XXX: this format system is broken because it uses
4413                    host types and host pointers for strings */
4414                 if (scnames[i].format != NULL) {
4415                     format = scnames[i].format;
4416                 }
4417                 fprintf(f, format, scnames[i].name, arg1, arg2,
4418                         arg3, arg4, arg5, arg6);
4419             }
4420             qemu_log_unlock(f);
4421             return;
4422         }
4423     }
4424     fprintf(f, "Unknown syscall %d\n", num);
4425     qemu_log_unlock(f);
4426 }
4427 
4428 
4429 void
4430 print_syscall_ret(CPUArchState *cpu_env, int num, abi_long ret,
4431                   abi_long arg1, abi_long arg2, abi_long arg3,
4432                   abi_long arg4, abi_long arg5, abi_long arg6)
4433 {
4434     int i;
4435     FILE *f;
4436 
4437     f = qemu_log_trylock();
4438     if (!f) {
4439         return;
4440     }
4441 
4442     for (i = 0; i < nsyscalls; i++) {
4443         if (scnames[i].nr == num) {
4444             if (scnames[i].result != NULL) {
4445                 scnames[i].result(cpu_env, &scnames[i], ret,
4446                                   arg1, arg2, arg3,
4447                                   arg4, arg5, arg6);
4448             } else {
4449                 if (!print_syscall_err(ret)) {
4450                     fprintf(f, TARGET_ABI_FMT_ld, ret);
4451                 }
4452                 fprintf(f, "\n");
4453             }
4454             break;
4455         }
4456     }
4457     qemu_log_unlock(f);
4458 }
4459 
4460 void print_taken_signal(int target_signum, const target_siginfo_t *tinfo)
4461 {
4462     /* Print the strace output for a signal being taken:
4463      * --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=0} ---
4464      */
4465     FILE *f;
4466 
4467     f = qemu_log_trylock();
4468     if (!f) {
4469         return;
4470     }
4471 
4472     fprintf(f, "--- ");
4473     print_signal(target_signum, 1);
4474     fprintf(f, " ");
4475     print_siginfo(tinfo);
4476     fprintf(f, " ---\n");
4477     qemu_log_unlock(f);
4478 }
4479