xref: /openbmc/qemu/linux-user/strace.c (revision 7f087a32)
1 #include "qemu/osdep.h"
2 
3 #include <sys/ipc.h>
4 #include <sys/msg.h>
5 #include <sys/sem.h>
6 #include <sys/shm.h>
7 #include <sys/select.h>
8 #include <sys/mount.h>
9 #include <arpa/inet.h>
10 #include <netinet/in.h>
11 #include <netinet/tcp.h>
12 #include <netinet/udp.h>
13 #include <linux/if_packet.h>
14 #include <linux/in6.h>
15 #include <linux/netlink.h>
16 #include <sched.h>
17 #include "qemu.h"
18 #include "user-internals.h"
19 #include "strace.h"
20 #include "signal-common.h"
21 #include "target_mman.h"
22 
23 struct syscallname {
24     int nr;
25     const char *name;
26     const char *format;
27     void (*call)(CPUArchState *, const struct syscallname *,
28                  abi_long, abi_long, abi_long,
29                  abi_long, abi_long, abi_long);
30     void (*result)(CPUArchState *, const struct syscallname *, abi_long,
31                    abi_long, abi_long, abi_long,
32                    abi_long, abi_long, abi_long);
33 };
34 
35 /*
36  * It is possible that target doesn't have syscall that uses
37  * following flags but we don't want the compiler to warn
38  * us about them being unused.  Same applies to utility print
39  * functions.  It is ok to keep them while not used.
40  */
41 #define UNUSED __attribute__ ((unused))
42 
43 /*
44  * Structure used to translate flag values into strings.  This is
45  * similar that is in the actual strace tool.
46  */
47 struct flags {
48     abi_long    f_value;  /* flag */
49     abi_long    f_mask;   /* mask */
50     const char  *f_string; /* stringified flag */
51 };
52 
53 /* No 'struct flags' element should have a zero mask. */
54 #define FLAG_BASIC(V, M, N)      { V, M | QEMU_BUILD_BUG_ON_ZERO(!(M)), N }
55 
56 /* common flags for all architectures */
57 #define FLAG_GENERIC_MASK(V, M)  FLAG_BASIC(V, M, #V)
58 #define FLAG_GENERIC(V)          FLAG_BASIC(V, V, #V)
59 /* target specific flags (syscall_defs.h has TARGET_<flag>) */
60 #define FLAG_TARGET_MASK(V, M)   FLAG_BASIC(TARGET_##V, TARGET_##M, #V)
61 #define FLAG_TARGET(V)           FLAG_BASIC(TARGET_##V, TARGET_##V, #V)
62 /* end of flags array */
63 #define FLAG_END           { 0, 0, NULL }
64 
65 /* Structure used to translate enumerated values into strings */
66 struct enums {
67     abi_long    e_value;   /* enum value */
68     const char  *e_string; /* stringified enum */
69 };
70 
71 /* common enums for all architectures */
72 #define ENUM_GENERIC(name) { name, #name }
73 /* target specific enums */
74 #define ENUM_TARGET(name)  { TARGET_ ## name, #name }
75 /* end of enums array */
76 #define ENUM_END           { 0, NULL }
77 
78 UNUSED static const char *get_comma(int);
79 UNUSED static void print_pointer(abi_long, int);
80 UNUSED static void print_flags(const struct flags *, abi_long, int);
81 UNUSED static void print_enums(const struct enums *, abi_long, int);
82 UNUSED static void print_at_dirfd(abi_long, int);
83 UNUSED static void print_file_mode(abi_long, int);
84 UNUSED static void print_open_flags(abi_long, int);
85 UNUSED static void print_syscall_prologue(const struct syscallname *);
86 UNUSED static void print_syscall_epilogue(const struct syscallname *);
87 UNUSED static void print_string(abi_long, int);
88 UNUSED static void print_buf(abi_long addr, abi_long len, int last);
89 UNUSED static void print_raw_param(const char *, abi_long, int);
90 UNUSED static void print_raw_param64(const char *, long long, int last);
91 UNUSED static void print_timeval(abi_ulong, int);
92 UNUSED static void print_timespec(abi_ulong, int);
93 UNUSED static void print_timespec64(abi_ulong, int);
94 UNUSED static void print_timezone(abi_ulong, int);
95 UNUSED static void print_itimerval(abi_ulong, int);
96 UNUSED static void print_number(abi_long, int);
97 UNUSED static void print_signal(abi_ulong, int);
98 UNUSED static void print_sockaddr(abi_ulong, abi_long, int);
99 UNUSED static void print_socket_domain(int domain);
100 UNUSED static void print_socket_type(int type);
101 UNUSED static void print_socket_protocol(int domain, int type, int protocol);
102 
103 /*
104  * Utility functions
105  */
106 static void
107 print_ipc_cmd(int cmd)
108 {
109 #define output_cmd(val) \
110 if( cmd == val ) { \
111     qemu_log(#val); \
112     return; \
113 }
114 
115     cmd &= 0xff;
116 
117     /* General IPC commands */
118     output_cmd( IPC_RMID );
119     output_cmd( IPC_SET );
120     output_cmd( IPC_STAT );
121     output_cmd( IPC_INFO );
122     /* msgctl() commands */
123     output_cmd( MSG_STAT );
124     output_cmd( MSG_INFO );
125     /* shmctl() commands */
126     output_cmd( SHM_LOCK );
127     output_cmd( SHM_UNLOCK );
128     output_cmd( SHM_STAT );
129     output_cmd( SHM_INFO );
130     /* semctl() commands */
131     output_cmd( GETPID );
132     output_cmd( GETVAL );
133     output_cmd( GETALL );
134     output_cmd( GETNCNT );
135     output_cmd( GETZCNT );
136     output_cmd( SETVAL );
137     output_cmd( SETALL );
138     output_cmd( SEM_STAT );
139     output_cmd( SEM_INFO );
140     output_cmd( IPC_RMID );
141     output_cmd( IPC_RMID );
142     output_cmd( IPC_RMID );
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 
150     /* Some value we don't recognize */
151     qemu_log("%d", cmd);
152 }
153 
154 static const char * const target_signal_name[] = {
155 #define MAKE_SIG_ENTRY(sig)     [TARGET_##sig] = #sig,
156         MAKE_SIGNAL_LIST
157 #undef MAKE_SIG_ENTRY
158 };
159 
160 static void
161 print_signal(abi_ulong arg, int last)
162 {
163     const char *signal_name = NULL;
164 
165     if (arg < ARRAY_SIZE(target_signal_name)) {
166         signal_name = target_signal_name[arg];
167     }
168 
169     if (signal_name == NULL) {
170         print_raw_param("%ld", arg, last);
171         return;
172     }
173     qemu_log("%s%s", signal_name, get_comma(last));
174 }
175 
176 static void print_si_code(int arg)
177 {
178     const char *codename = NULL;
179 
180     switch (arg) {
181     case SI_USER:
182         codename = "SI_USER";
183         break;
184     case SI_KERNEL:
185         codename = "SI_KERNEL";
186         break;
187     case SI_QUEUE:
188         codename = "SI_QUEUE";
189         break;
190     case SI_TIMER:
191         codename = "SI_TIMER";
192         break;
193     case SI_MESGQ:
194         codename = "SI_MESGQ";
195         break;
196     case SI_ASYNCIO:
197         codename = "SI_ASYNCIO";
198         break;
199     case SI_SIGIO:
200         codename = "SI_SIGIO";
201         break;
202     case SI_TKILL:
203         codename = "SI_TKILL";
204         break;
205     default:
206         qemu_log("%d", arg);
207         return;
208     }
209     qemu_log("%s", codename);
210 }
211 
212 static void get_target_siginfo(target_siginfo_t *tinfo,
213                                 const target_siginfo_t *info)
214 {
215     abi_ulong sival_ptr;
216 
217     int sig;
218     int si_errno;
219     int si_code;
220     int si_type;
221 
222     __get_user(sig, &info->si_signo);
223     __get_user(si_errno, &tinfo->si_errno);
224     __get_user(si_code, &info->si_code);
225 
226     tinfo->si_signo = sig;
227     tinfo->si_errno = si_errno;
228     tinfo->si_code = si_code;
229 
230     /* Ensure we don't leak random junk to the guest later */
231     memset(tinfo->_sifields._pad, 0, sizeof(tinfo->_sifields._pad));
232 
233     /* This is awkward, because we have to use a combination of
234      * the si_code and si_signo to figure out which of the union's
235      * members are valid. (Within the host kernel it is always possible
236      * to tell, but the kernel carefully avoids giving userspace the
237      * high 16 bits of si_code, so we don't have the information to
238      * do this the easy way...) We therefore make our best guess,
239      * bearing in mind that a guest can spoof most of the si_codes
240      * via rt_sigqueueinfo() if it likes.
241      *
242      * Once we have made our guess, we record it in the top 16 bits of
243      * the si_code, so that print_siginfo() later can use it.
244      * print_siginfo() will strip these top bits out before printing
245      * the si_code.
246      */
247 
248     switch (si_code) {
249     case SI_USER:
250     case SI_TKILL:
251     case SI_KERNEL:
252         /* Sent via kill(), tkill() or tgkill(), or direct from the kernel.
253          * These are the only unspoofable si_code values.
254          */
255         __get_user(tinfo->_sifields._kill._pid, &info->_sifields._kill._pid);
256         __get_user(tinfo->_sifields._kill._uid, &info->_sifields._kill._uid);
257         si_type = QEMU_SI_KILL;
258         break;
259     default:
260         /* Everything else is spoofable. Make best guess based on signal */
261         switch (sig) {
262         case TARGET_SIGCHLD:
263             __get_user(tinfo->_sifields._sigchld._pid,
264                        &info->_sifields._sigchld._pid);
265             __get_user(tinfo->_sifields._sigchld._uid,
266                        &info->_sifields._sigchld._uid);
267             __get_user(tinfo->_sifields._sigchld._status,
268                        &info->_sifields._sigchld._status);
269             __get_user(tinfo->_sifields._sigchld._utime,
270                        &info->_sifields._sigchld._utime);
271             __get_user(tinfo->_sifields._sigchld._stime,
272                        &info->_sifields._sigchld._stime);
273             si_type = QEMU_SI_CHLD;
274             break;
275         case TARGET_SIGIO:
276             __get_user(tinfo->_sifields._sigpoll._band,
277                        &info->_sifields._sigpoll._band);
278             __get_user(tinfo->_sifields._sigpoll._fd,
279                        &info->_sifields._sigpoll._fd);
280             si_type = QEMU_SI_POLL;
281             break;
282         default:
283             /* Assume a sigqueue()/mq_notify()/rt_sigqueueinfo() source. */
284             __get_user(tinfo->_sifields._rt._pid, &info->_sifields._rt._pid);
285             __get_user(tinfo->_sifields._rt._uid, &info->_sifields._rt._uid);
286             /* XXX: potential problem if 64 bit */
287             __get_user(sival_ptr, &info->_sifields._rt._sigval.sival_ptr);
288             tinfo->_sifields._rt._sigval.sival_ptr = sival_ptr;
289 
290             si_type = QEMU_SI_RT;
291             break;
292         }
293         break;
294     }
295 
296     tinfo->si_code = deposit32(si_code, 16, 16, si_type);
297 }
298 
299 static void print_siginfo(const target_siginfo_t *tinfo)
300 {
301     /* Print a target_siginfo_t in the format desired for printing
302      * signals being taken. We assume the target_siginfo_t is in the
303      * internal form where the top 16 bits of si_code indicate which
304      * part of the union is valid, rather than in the guest-visible
305      * form where the bottom 16 bits are sign-extended into the top 16.
306      */
307     int si_type = extract32(tinfo->si_code, 16, 16);
308     int si_code = sextract32(tinfo->si_code, 0, 16);
309 
310     qemu_log("{si_signo=");
311     print_signal(tinfo->si_signo, 1);
312     qemu_log(", si_code=");
313     print_si_code(si_code);
314 
315     switch (si_type) {
316     case QEMU_SI_KILL:
317         qemu_log(", si_pid=%u, si_uid=%u",
318                  (unsigned int)tinfo->_sifields._kill._pid,
319                  (unsigned int)tinfo->_sifields._kill._uid);
320         break;
321     case QEMU_SI_TIMER:
322         qemu_log(", si_timer1=%u, si_timer2=%u",
323                  tinfo->_sifields._timer._timer1,
324                  tinfo->_sifields._timer._timer2);
325         break;
326     case QEMU_SI_POLL:
327         qemu_log(", si_band=%d, si_fd=%d",
328                  tinfo->_sifields._sigpoll._band,
329                  tinfo->_sifields._sigpoll._fd);
330         break;
331     case QEMU_SI_FAULT:
332         qemu_log(", si_addr=");
333         print_pointer(tinfo->_sifields._sigfault._addr, 1);
334         break;
335     case QEMU_SI_CHLD:
336         qemu_log(", si_pid=%u, si_uid=%u, si_status=%d"
337                  ", si_utime=" TARGET_ABI_FMT_ld
338                  ", si_stime=" TARGET_ABI_FMT_ld,
339                  (unsigned int)(tinfo->_sifields._sigchld._pid),
340                  (unsigned int)(tinfo->_sifields._sigchld._uid),
341                  tinfo->_sifields._sigchld._status,
342                  tinfo->_sifields._sigchld._utime,
343                  tinfo->_sifields._sigchld._stime);
344         break;
345     case QEMU_SI_RT:
346         qemu_log(", si_pid=%u, si_uid=%u, si_sigval=" TARGET_ABI_FMT_ld,
347                  (unsigned int)tinfo->_sifields._rt._pid,
348                  (unsigned int)tinfo->_sifields._rt._uid,
349                  tinfo->_sifields._rt._sigval.sival_ptr);
350         break;
351     default:
352         g_assert_not_reached();
353     }
354     qemu_log("}");
355 }
356 
357 static void
358 print_sockaddr(abi_ulong addr, abi_long addrlen, int last)
359 {
360     struct target_sockaddr *sa;
361     int i;
362     int sa_family;
363 
364     sa = lock_user(VERIFY_READ, addr, addrlen, 1);
365     if (sa) {
366         sa_family = tswap16(sa->sa_family);
367         switch (sa_family) {
368         case AF_UNIX: {
369             struct target_sockaddr_un *un = (struct target_sockaddr_un *)sa;
370             qemu_log("{sun_family=AF_UNIX,sun_path=\"");
371             for (i = 0; i < addrlen -
372                             offsetof(struct target_sockaddr_un, sun_path) &&
373                  un->sun_path[i]; i++) {
374                 qemu_log("%c", un->sun_path[i]);
375             }
376             qemu_log("\"}");
377             break;
378         }
379         case AF_INET: {
380             struct target_sockaddr_in *in = (struct target_sockaddr_in *)sa;
381             uint8_t *c = (uint8_t *)&in->sin_addr.s_addr;
382             qemu_log("{sin_family=AF_INET,sin_port=htons(%d),",
383                      ntohs(in->sin_port));
384             qemu_log("sin_addr=inet_addr(\"%d.%d.%d.%d\")",
385                      c[0], c[1], c[2], c[3]);
386             qemu_log("}");
387             break;
388         }
389         case AF_PACKET: {
390             struct target_sockaddr_ll *ll = (struct target_sockaddr_ll *)sa;
391             uint8_t *c = (uint8_t *)&ll->sll_addr;
392             qemu_log("{sll_family=AF_PACKET,"
393                      "sll_protocol=htons(0x%04x),if%d,pkttype=",
394                      ntohs(ll->sll_protocol), ll->sll_ifindex);
395             switch (ll->sll_pkttype) {
396             case PACKET_HOST:
397                 qemu_log("PACKET_HOST");
398                 break;
399             case PACKET_BROADCAST:
400                 qemu_log("PACKET_BROADCAST");
401                 break;
402             case PACKET_MULTICAST:
403                 qemu_log("PACKET_MULTICAST");
404                 break;
405             case PACKET_OTHERHOST:
406                 qemu_log("PACKET_OTHERHOST");
407                 break;
408             case PACKET_OUTGOING:
409                 qemu_log("PACKET_OUTGOING");
410                 break;
411             default:
412                 qemu_log("%d", ll->sll_pkttype);
413                 break;
414             }
415             qemu_log(",sll_addr=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
416                      c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
417             qemu_log("}");
418             break;
419         }
420         case AF_NETLINK: {
421             struct target_sockaddr_nl *nl = (struct target_sockaddr_nl *)sa;
422             qemu_log("{nl_family=AF_NETLINK,nl_pid=%u,nl_groups=%u}",
423                      tswap32(nl->nl_pid), tswap32(nl->nl_groups));
424             break;
425         }
426         default:
427             qemu_log("{sa_family=%d, sa_data={", sa->sa_family);
428             for (i = 0; i < 13; i++) {
429                 qemu_log("%02x, ", sa->sa_data[i]);
430             }
431             qemu_log("%02x}", sa->sa_data[i]);
432             qemu_log("}");
433             break;
434         }
435         unlock_user(sa, addr, 0);
436     } else {
437         print_raw_param("0x"TARGET_ABI_FMT_lx, addr, 0);
438     }
439     qemu_log(", "TARGET_ABI_FMT_ld"%s", addrlen, get_comma(last));
440 }
441 
442 static void
443 print_socket_domain(int domain)
444 {
445     switch (domain) {
446     case PF_UNIX:
447         qemu_log("PF_UNIX");
448         break;
449     case PF_INET:
450         qemu_log("PF_INET");
451         break;
452     case PF_NETLINK:
453         qemu_log("PF_NETLINK");
454         break;
455     case PF_PACKET:
456         qemu_log("PF_PACKET");
457         break;
458     default:
459         qemu_log("%d", domain);
460         break;
461     }
462 }
463 
464 static void
465 print_socket_type(int type)
466 {
467     switch (type & TARGET_SOCK_TYPE_MASK) {
468     case TARGET_SOCK_DGRAM:
469         qemu_log("SOCK_DGRAM");
470         break;
471     case TARGET_SOCK_STREAM:
472         qemu_log("SOCK_STREAM");
473         break;
474     case TARGET_SOCK_RAW:
475         qemu_log("SOCK_RAW");
476         break;
477     case TARGET_SOCK_RDM:
478         qemu_log("SOCK_RDM");
479         break;
480     case TARGET_SOCK_SEQPACKET:
481         qemu_log("SOCK_SEQPACKET");
482         break;
483     case TARGET_SOCK_PACKET:
484         qemu_log("SOCK_PACKET");
485         break;
486     }
487     if (type & TARGET_SOCK_CLOEXEC) {
488         qemu_log("|SOCK_CLOEXEC");
489     }
490     if (type & TARGET_SOCK_NONBLOCK) {
491         qemu_log("|SOCK_NONBLOCK");
492     }
493 }
494 
495 static void
496 print_socket_protocol(int domain, int type, int protocol)
497 {
498     if (domain == AF_PACKET ||
499         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
500         switch (protocol) {
501         case 0x0003:
502             qemu_log("ETH_P_ALL");
503             break;
504         default:
505             qemu_log("%d", protocol);
506         }
507         return;
508     }
509 
510     if (domain == PF_NETLINK) {
511         switch (protocol) {
512         case NETLINK_ROUTE:
513             qemu_log("NETLINK_ROUTE");
514             break;
515         case NETLINK_UNUSED:
516             qemu_log("NETLINK_UNUSED");
517             break;
518         case NETLINK_USERSOCK:
519             qemu_log("NETLINK_USERSOCK");
520             break;
521         case NETLINK_FIREWALL:
522             qemu_log("NETLINK_FIREWALL");
523             break;
524         case NETLINK_SOCK_DIAG:
525             qemu_log("NETLINK_SOCK_DIAG");
526             break;
527         case NETLINK_NFLOG:
528             qemu_log("NETLINK_NFLOG");
529             break;
530         case NETLINK_XFRM:
531             qemu_log("NETLINK_XFRM");
532             break;
533         case NETLINK_SELINUX:
534             qemu_log("NETLINK_SELINUX");
535             break;
536         case NETLINK_ISCSI:
537             qemu_log("NETLINK_ISCSI");
538             break;
539         case NETLINK_AUDIT:
540             qemu_log("NETLINK_AUDIT");
541             break;
542         case NETLINK_FIB_LOOKUP:
543             qemu_log("NETLINK_FIB_LOOKUP");
544             break;
545         case NETLINK_CONNECTOR:
546             qemu_log("NETLINK_CONNECTOR");
547             break;
548         case NETLINK_NETFILTER:
549             qemu_log("NETLINK_NETFILTER");
550             break;
551         case NETLINK_IP6_FW:
552             qemu_log("NETLINK_IP6_FW");
553             break;
554         case NETLINK_DNRTMSG:
555             qemu_log("NETLINK_DNRTMSG");
556             break;
557         case NETLINK_KOBJECT_UEVENT:
558             qemu_log("NETLINK_KOBJECT_UEVENT");
559             break;
560         case NETLINK_GENERIC:
561             qemu_log("NETLINK_GENERIC");
562             break;
563         case NETLINK_SCSITRANSPORT:
564             qemu_log("NETLINK_SCSITRANSPORT");
565             break;
566         case NETLINK_ECRYPTFS:
567             qemu_log("NETLINK_ECRYPTFS");
568             break;
569         case NETLINK_RDMA:
570             qemu_log("NETLINK_RDMA");
571             break;
572         case NETLINK_CRYPTO:
573             qemu_log("NETLINK_CRYPTO");
574             break;
575         case NETLINK_SMC:
576             qemu_log("NETLINK_SMC");
577             break;
578         default:
579             qemu_log("%d", protocol);
580             break;
581         }
582         return;
583     }
584 
585     switch (protocol) {
586     case IPPROTO_IP:
587         qemu_log("IPPROTO_IP");
588         break;
589     case IPPROTO_TCP:
590         qemu_log("IPPROTO_TCP");
591         break;
592     case IPPROTO_UDP:
593         qemu_log("IPPROTO_UDP");
594         break;
595     case IPPROTO_RAW:
596         qemu_log("IPPROTO_RAW");
597         break;
598     default:
599         qemu_log("%d", protocol);
600         break;
601     }
602 }
603 
604 
605 #ifdef TARGET_NR__newselect
606 static void
607 print_fdset(int n, abi_ulong target_fds_addr)
608 {
609     int i;
610     int first = 1;
611 
612     qemu_log("[");
613     if( target_fds_addr ) {
614         abi_long *target_fds;
615 
616         target_fds = lock_user(VERIFY_READ,
617                                target_fds_addr,
618                                sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
619                                1);
620 
621         if (!target_fds)
622             return;
623 
624         for (i=n; i>=0; i--) {
625             if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >>
626                 (i & (TARGET_ABI_BITS - 1))) & 1) {
627                 qemu_log("%s%d", get_comma(first), i);
628                 first = 0;
629             }
630         }
631         unlock_user(target_fds, target_fds_addr, 0);
632     }
633     qemu_log("]");
634 }
635 #endif
636 
637 /*
638  * Sysycall specific output functions
639  */
640 
641 /* select */
642 #ifdef TARGET_NR__newselect
643 static void
644 print_newselect(CPUArchState *cpu_env, const struct syscallname *name,
645                 abi_long arg1, abi_long arg2, abi_long arg3,
646                 abi_long arg4, abi_long arg5, abi_long arg6)
647 {
648     print_syscall_prologue(name);
649     print_fdset(arg1, arg2);
650     qemu_log(",");
651     print_fdset(arg1, arg3);
652     qemu_log(",");
653     print_fdset(arg1, arg4);
654     qemu_log(",");
655     print_timeval(arg5, 1);
656     print_syscall_epilogue(name);
657 }
658 #endif
659 
660 #ifdef TARGET_NR_semctl
661 static void
662 print_semctl(CPUArchState *cpu_env, const struct syscallname *name,
663              abi_long arg1, abi_long arg2, abi_long arg3,
664              abi_long arg4, abi_long arg5, abi_long arg6)
665 {
666     qemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",",
667              name->name, arg1, arg2);
668     print_ipc_cmd(arg3);
669     qemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
670 }
671 #endif
672 
673 #ifdef TARGET_NR_ipc
674 static void
675 print_ipc(CPUArchState *cpu_env, const struct syscallname *name,
676           abi_long arg1, abi_long arg2, abi_long arg3,
677           abi_long arg4, abi_long arg5, abi_long arg6)
678 {
679     switch(arg1) {
680     case IPCOP_semctl:
681         qemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",",
682                  arg1, arg2);
683         print_ipc_cmd(arg3);
684         qemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
685         break;
686     default:
687         qemu_log(("%s("
688                   TARGET_ABI_FMT_ld ","
689                   TARGET_ABI_FMT_ld ","
690                   TARGET_ABI_FMT_ld ","
691                   TARGET_ABI_FMT_ld
692                   ")"),
693                  name->name, arg1, arg2, arg3, arg4);
694     }
695 }
696 #endif
697 
698 /*
699  * Variants for the return value output function
700  */
701 
702 static bool
703 print_syscall_err(abi_long ret)
704 {
705     const char *errstr;
706 
707     qemu_log(" = ");
708     if (is_error(ret)) {
709         errstr = target_strerror(-ret);
710         if (errstr) {
711             qemu_log("-1 errno=%d (%s)", (int)-ret, errstr);
712             return true;
713         }
714     }
715     return false;
716 }
717 
718 static void
719 print_syscall_ret_addr(CPUArchState *cpu_env, const struct syscallname *name,
720                        abi_long ret, abi_long arg0, abi_long arg1,
721                        abi_long arg2, abi_long arg3, abi_long arg4,
722                        abi_long arg5)
723 {
724     if (!print_syscall_err(ret)) {
725         qemu_log("0x" TARGET_ABI_FMT_lx, ret);
726     }
727     qemu_log("\n");
728 }
729 
730 #if 0 /* currently unused */
731 static void
732 print_syscall_ret_raw(struct syscallname *name, abi_long ret)
733 {
734         qemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
735 }
736 #endif
737 
738 #ifdef TARGET_NR__newselect
739 static void
740 print_syscall_ret_newselect(CPUArchState *cpu_env, const struct syscallname *name,
741                             abi_long ret, abi_long arg0, abi_long arg1,
742                             abi_long arg2, abi_long arg3, abi_long arg4,
743                             abi_long arg5)
744 {
745     if (!print_syscall_err(ret)) {
746         qemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
747         print_fdset(arg0, arg1);
748         qemu_log(",");
749         print_fdset(arg0, arg2);
750         qemu_log(",");
751         print_fdset(arg0, arg3);
752         qemu_log(",");
753         print_timeval(arg4, 1);
754         qemu_log(")");
755     }
756 
757     qemu_log("\n");
758 }
759 #endif
760 
761 /* special meanings of adjtimex()' non-negative return values */
762 #define TARGET_TIME_OK       0   /* clock synchronized, no leap second */
763 #define TARGET_TIME_INS      1   /* insert leap second */
764 #define TARGET_TIME_DEL      2   /* delete leap second */
765 #define TARGET_TIME_OOP      3   /* leap second in progress */
766 #define TARGET_TIME_WAIT     4   /* leap second has occurred */
767 #define TARGET_TIME_ERROR    5   /* clock not synchronized */
768 #ifdef TARGET_NR_adjtimex
769 static void
770 print_syscall_ret_adjtimex(CPUArchState *cpu_env, const struct syscallname *name,
771                            abi_long ret, abi_long arg0, abi_long arg1,
772                            abi_long arg2, abi_long arg3, abi_long arg4,
773                            abi_long arg5)
774 {
775     if (!print_syscall_err(ret)) {
776         qemu_log(TARGET_ABI_FMT_ld, ret);
777         switch (ret) {
778         case TARGET_TIME_OK:
779             qemu_log(" TIME_OK (clock synchronized, no leap second)");
780             break;
781         case TARGET_TIME_INS:
782             qemu_log(" TIME_INS (insert leap second)");
783             break;
784         case TARGET_TIME_DEL:
785             qemu_log(" TIME_DEL (delete leap second)");
786             break;
787         case TARGET_TIME_OOP:
788             qemu_log(" TIME_OOP (leap second in progress)");
789             break;
790         case TARGET_TIME_WAIT:
791             qemu_log(" TIME_WAIT (leap second has occurred)");
792             break;
793         case TARGET_TIME_ERROR:
794             qemu_log(" TIME_ERROR (clock not synchronized)");
795             break;
796         }
797     }
798 
799     qemu_log("\n");
800 }
801 #endif
802 
803 #if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
804 static void
805 print_syscall_ret_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name,
806                                 abi_long ret, abi_long arg0, abi_long arg1,
807                                 abi_long arg2, abi_long arg3, abi_long arg4,
808                                 abi_long arg5)
809 {
810     if (!print_syscall_err(ret)) {
811         qemu_log(TARGET_ABI_FMT_ld, ret);
812         qemu_log(" (");
813         print_timespec(arg1, 1);
814         qemu_log(")");
815     }
816 
817     qemu_log("\n");
818 }
819 #define print_syscall_ret_clock_getres     print_syscall_ret_clock_gettime
820 #endif
821 
822 #if defined(TARGET_NR_clock_gettime64)
823 static void
824 print_syscall_ret_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name,
825                                 abi_long ret, abi_long arg0, abi_long arg1,
826                                 abi_long arg2, abi_long arg3, abi_long arg4,
827                                 abi_long arg5)
828 {
829     if (!print_syscall_err(ret)) {
830         qemu_log(TARGET_ABI_FMT_ld, ret);
831         qemu_log(" (");
832         print_timespec64(arg1, 1);
833         qemu_log(")");
834     }
835 
836     qemu_log("\n");
837 }
838 #endif
839 
840 #ifdef TARGET_NR_gettimeofday
841 static void
842 print_syscall_ret_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name,
843                                abi_long ret, abi_long arg0, abi_long arg1,
844                                abi_long arg2, abi_long arg3, abi_long arg4,
845                                abi_long arg5)
846 {
847     if (!print_syscall_err(ret)) {
848         qemu_log(TARGET_ABI_FMT_ld, ret);
849         qemu_log(" (");
850         print_timeval(arg0, 0);
851         print_timezone(arg1, 1);
852         qemu_log(")");
853     }
854 
855     qemu_log("\n");
856 }
857 #endif
858 
859 #ifdef TARGET_NR_getitimer
860 static void
861 print_syscall_ret_getitimer(CPUArchState *cpu_env, const struct syscallname *name,
862                             abi_long ret, abi_long arg0, abi_long arg1,
863                             abi_long arg2, abi_long arg3, abi_long arg4,
864                             abi_long arg5)
865 {
866     if (!print_syscall_err(ret)) {
867         qemu_log(TARGET_ABI_FMT_ld, ret);
868         qemu_log(" (");
869         print_itimerval(arg1, 1);
870         qemu_log(")");
871     }
872 
873     qemu_log("\n");
874 }
875 #endif
876 
877 
878 #ifdef TARGET_NR_getitimer
879 static void
880 print_syscall_ret_setitimer(CPUArchState *cpu_env, const struct syscallname *name,
881                             abi_long ret, abi_long arg0, abi_long arg1,
882                             abi_long arg2, abi_long arg3, abi_long arg4,
883                             abi_long arg5)
884 {
885     if (!print_syscall_err(ret)) {
886         qemu_log(TARGET_ABI_FMT_ld, ret);
887         qemu_log(" (old_value = ");
888         print_itimerval(arg2, 1);
889         qemu_log(")");
890     }
891 
892     qemu_log("\n");
893 }
894 #endif
895 
896 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr) \
897  || defined(TARGGET_NR_flistxattr)
898 static void
899 print_syscall_ret_listxattr(CPUArchState *cpu_env, const struct syscallname *name,
900                             abi_long ret, abi_long arg0, abi_long arg1,
901                             abi_long arg2, abi_long arg3, abi_long arg4,
902                             abi_long arg5)
903 {
904     if (!print_syscall_err(ret)) {
905         qemu_log(TARGET_ABI_FMT_ld, ret);
906         qemu_log(" (list = ");
907         if (arg1 != 0) {
908             abi_long attr = arg1;
909             while (ret) {
910                 if (attr != arg1) {
911                     qemu_log(",");
912                 }
913                 print_string(attr, 1);
914                 ret -= target_strlen(attr) + 1;
915                 attr += target_strlen(attr) + 1;
916             }
917         } else {
918             qemu_log("NULL");
919         }
920         qemu_log(")");
921     }
922 
923     qemu_log("\n");
924 }
925 #define print_syscall_ret_llistxattr     print_syscall_ret_listxattr
926 #define print_syscall_ret_flistxattr     print_syscall_ret_listxattr
927 #endif
928 
929 #ifdef TARGET_NR_ioctl
930 static void
931 print_syscall_ret_ioctl(CPUArchState *cpu_env, const struct syscallname *name,
932                         abi_long ret, abi_long arg0, abi_long arg1,
933                         abi_long arg2, abi_long arg3, abi_long arg4,
934                         abi_long arg5)
935 {
936     if (!print_syscall_err(ret)) {
937         qemu_log(TARGET_ABI_FMT_ld, ret);
938 
939         const IOCTLEntry *ie;
940         const argtype *arg_type;
941         void *argptr;
942         int target_size;
943 
944         for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
945             if (ie->target_cmd == arg1) {
946                 break;
947             }
948         }
949 
950         if (ie->target_cmd == arg1 &&
951            (ie->access == IOC_R || ie->access == IOC_RW)) {
952             arg_type = ie->arg_type;
953             qemu_log(" (");
954             arg_type++;
955             target_size = thunk_type_size(arg_type, 0);
956             argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
957             if (argptr) {
958                 thunk_print(argptr, arg_type);
959                 unlock_user(argptr, arg2, target_size);
960             } else {
961                 print_pointer(arg2, 1);
962             }
963             qemu_log(")");
964         }
965     }
966     qemu_log("\n");
967 }
968 #endif
969 
970 UNUSED static const struct flags access_flags[] = {
971     FLAG_GENERIC_MASK(F_OK, R_OK | W_OK | X_OK),
972     FLAG_GENERIC(R_OK),
973     FLAG_GENERIC(W_OK),
974     FLAG_GENERIC(X_OK),
975     FLAG_END,
976 };
977 
978 UNUSED static const struct flags at_file_flags[] = {
979 #ifdef AT_EACCESS
980     FLAG_GENERIC(AT_EACCESS),
981 #endif
982 #ifdef AT_SYMLINK_NOFOLLOW
983     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
984 #endif
985     FLAG_END,
986 };
987 
988 UNUSED static const struct flags unlinkat_flags[] = {
989 #ifdef AT_REMOVEDIR
990     FLAG_GENERIC(AT_REMOVEDIR),
991 #endif
992     FLAG_END,
993 };
994 
995 UNUSED static const struct flags mode_flags[] = {
996     FLAG_GENERIC(S_IFSOCK),
997     FLAG_GENERIC(S_IFLNK),
998     FLAG_GENERIC(S_IFREG),
999     FLAG_GENERIC(S_IFBLK),
1000     FLAG_GENERIC(S_IFDIR),
1001     FLAG_GENERIC(S_IFCHR),
1002     FLAG_GENERIC(S_IFIFO),
1003     FLAG_END,
1004 };
1005 
1006 UNUSED static const struct flags open_access_flags[] = {
1007     FLAG_TARGET_MASK(O_RDONLY, O_ACCMODE),
1008     FLAG_TARGET_MASK(O_WRONLY, O_ACCMODE),
1009     FLAG_TARGET_MASK(O_RDWR, O_ACCMODE),
1010     FLAG_END,
1011 };
1012 
1013 UNUSED static const struct flags open_flags[] = {
1014     FLAG_TARGET(O_APPEND),
1015     FLAG_TARGET(O_CREAT),
1016     FLAG_TARGET(O_DIRECTORY),
1017     FLAG_TARGET(O_EXCL),
1018 #if TARGET_O_LARGEFILE != 0
1019     FLAG_TARGET(O_LARGEFILE),
1020 #endif
1021     FLAG_TARGET(O_NOCTTY),
1022     FLAG_TARGET(O_NOFOLLOW),
1023     FLAG_TARGET(O_NONBLOCK),      /* also O_NDELAY */
1024     FLAG_TARGET(O_DSYNC),
1025     FLAG_TARGET(__O_SYNC),
1026     FLAG_TARGET(O_TRUNC),
1027 #ifdef O_DIRECT
1028     FLAG_TARGET(O_DIRECT),
1029 #endif
1030 #ifdef O_NOATIME
1031     FLAG_TARGET(O_NOATIME),
1032 #endif
1033 #ifdef O_CLOEXEC
1034     FLAG_TARGET(O_CLOEXEC),
1035 #endif
1036 #ifdef O_PATH
1037     FLAG_TARGET(O_PATH),
1038 #endif
1039 #ifdef O_TMPFILE
1040     FLAG_TARGET(O_TMPFILE),
1041     FLAG_TARGET(__O_TMPFILE),
1042 #endif
1043     FLAG_END,
1044 };
1045 
1046 UNUSED static const struct flags mount_flags[] = {
1047 #ifdef MS_BIND
1048     FLAG_GENERIC(MS_BIND),
1049 #endif
1050 #ifdef MS_DIRSYNC
1051     FLAG_GENERIC(MS_DIRSYNC),
1052 #endif
1053     FLAG_GENERIC(MS_MANDLOCK),
1054 #ifdef MS_MOVE
1055     FLAG_GENERIC(MS_MOVE),
1056 #endif
1057     FLAG_GENERIC(MS_NOATIME),
1058     FLAG_GENERIC(MS_NODEV),
1059     FLAG_GENERIC(MS_NODIRATIME),
1060     FLAG_GENERIC(MS_NOEXEC),
1061     FLAG_GENERIC(MS_NOSUID),
1062     FLAG_GENERIC(MS_RDONLY),
1063 #ifdef MS_RELATIME
1064     FLAG_GENERIC(MS_RELATIME),
1065 #endif
1066     FLAG_GENERIC(MS_REMOUNT),
1067     FLAG_GENERIC(MS_SYNCHRONOUS),
1068     FLAG_END,
1069 };
1070 
1071 UNUSED static const struct flags umount2_flags[] = {
1072 #ifdef MNT_FORCE
1073     FLAG_GENERIC(MNT_FORCE),
1074 #endif
1075 #ifdef MNT_DETACH
1076     FLAG_GENERIC(MNT_DETACH),
1077 #endif
1078 #ifdef MNT_EXPIRE
1079     FLAG_GENERIC(MNT_EXPIRE),
1080 #endif
1081     FLAG_END,
1082 };
1083 
1084 UNUSED static const struct flags mmap_prot_flags[] = {
1085     FLAG_GENERIC_MASK(PROT_NONE, PROT_READ | PROT_WRITE | PROT_EXEC),
1086     FLAG_GENERIC(PROT_EXEC),
1087     FLAG_GENERIC(PROT_READ),
1088     FLAG_GENERIC(PROT_WRITE),
1089     FLAG_TARGET(PROT_SEM),
1090     FLAG_GENERIC(PROT_GROWSDOWN),
1091     FLAG_GENERIC(PROT_GROWSUP),
1092     FLAG_END,
1093 };
1094 
1095 UNUSED static const struct flags mmap_flags[] = {
1096     FLAG_TARGET_MASK(MAP_SHARED, MAP_TYPE),
1097     FLAG_TARGET_MASK(MAP_PRIVATE, MAP_TYPE),
1098     FLAG_TARGET_MASK(MAP_SHARED_VALIDATE, MAP_TYPE),
1099     FLAG_TARGET(MAP_ANONYMOUS),
1100     FLAG_TARGET(MAP_DENYWRITE),
1101     FLAG_TARGET(MAP_EXECUTABLE),
1102     FLAG_TARGET(MAP_FIXED),
1103     FLAG_TARGET(MAP_FIXED_NOREPLACE),
1104     FLAG_TARGET(MAP_GROWSDOWN),
1105     FLAG_TARGET(MAP_HUGETLB),
1106     FLAG_TARGET(MAP_LOCKED),
1107     FLAG_TARGET(MAP_NONBLOCK),
1108     FLAG_TARGET(MAP_NORESERVE),
1109     FLAG_TARGET(MAP_POPULATE),
1110     FLAG_TARGET(MAP_STACK),
1111     FLAG_TARGET(MAP_SYNC),
1112 #if TARGET_MAP_UNINITIALIZED != 0
1113     FLAG_TARGET(MAP_UNINITIALIZED),
1114 #endif
1115     FLAG_END,
1116 };
1117 
1118 #ifndef CLONE_PIDFD
1119 # define CLONE_PIDFD 0x00001000
1120 #endif
1121 
1122 UNUSED static const struct flags clone_flags[] = {
1123     FLAG_GENERIC(CLONE_VM),
1124     FLAG_GENERIC(CLONE_FS),
1125     FLAG_GENERIC(CLONE_FILES),
1126     FLAG_GENERIC(CLONE_SIGHAND),
1127     FLAG_GENERIC(CLONE_PIDFD),
1128     FLAG_GENERIC(CLONE_PTRACE),
1129     FLAG_GENERIC(CLONE_VFORK),
1130     FLAG_GENERIC(CLONE_PARENT),
1131     FLAG_GENERIC(CLONE_THREAD),
1132     FLAG_GENERIC(CLONE_NEWNS),
1133     FLAG_GENERIC(CLONE_SYSVSEM),
1134     FLAG_GENERIC(CLONE_SETTLS),
1135     FLAG_GENERIC(CLONE_PARENT_SETTID),
1136     FLAG_GENERIC(CLONE_CHILD_CLEARTID),
1137     FLAG_GENERIC(CLONE_DETACHED),
1138     FLAG_GENERIC(CLONE_UNTRACED),
1139     FLAG_GENERIC(CLONE_CHILD_SETTID),
1140 #if defined(CLONE_NEWUTS)
1141     FLAG_GENERIC(CLONE_NEWUTS),
1142 #endif
1143 #if defined(CLONE_NEWIPC)
1144     FLAG_GENERIC(CLONE_NEWIPC),
1145 #endif
1146 #if defined(CLONE_NEWUSER)
1147     FLAG_GENERIC(CLONE_NEWUSER),
1148 #endif
1149 #if defined(CLONE_NEWPID)
1150     FLAG_GENERIC(CLONE_NEWPID),
1151 #endif
1152 #if defined(CLONE_NEWNET)
1153     FLAG_GENERIC(CLONE_NEWNET),
1154 #endif
1155 #if defined(CLONE_NEWCGROUP)
1156     FLAG_GENERIC(CLONE_NEWCGROUP),
1157 #endif
1158 #if defined(CLONE_NEWTIME)
1159     FLAG_GENERIC(CLONE_NEWTIME),
1160 #endif
1161 #if defined(CLONE_IO)
1162     FLAG_GENERIC(CLONE_IO),
1163 #endif
1164     FLAG_END,
1165 };
1166 
1167 UNUSED static const struct flags execveat_flags[] = {
1168 #ifdef AT_EMPTY_PATH
1169     FLAG_GENERIC(AT_EMPTY_PATH),
1170 #endif
1171 #ifdef AT_SYMLINK_NOFOLLOW
1172     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
1173 #endif
1174     FLAG_END,
1175 };
1176 
1177 UNUSED static const struct flags msg_flags[] = {
1178     /* send */
1179     FLAG_GENERIC(MSG_CONFIRM),
1180     FLAG_GENERIC(MSG_DONTROUTE),
1181     FLAG_GENERIC(MSG_DONTWAIT),
1182     FLAG_GENERIC(MSG_EOR),
1183     FLAG_GENERIC(MSG_MORE),
1184     FLAG_GENERIC(MSG_NOSIGNAL),
1185     FLAG_GENERIC(MSG_OOB),
1186     /* recv */
1187     FLAG_GENERIC(MSG_CMSG_CLOEXEC),
1188     FLAG_GENERIC(MSG_ERRQUEUE),
1189     FLAG_GENERIC(MSG_PEEK),
1190     FLAG_GENERIC(MSG_TRUNC),
1191     FLAG_GENERIC(MSG_WAITALL),
1192     /* recvmsg */
1193     FLAG_GENERIC(MSG_CTRUNC),
1194     FLAG_END,
1195 };
1196 
1197 UNUSED static const struct flags statx_flags[] = {
1198 #ifdef AT_EMPTY_PATH
1199     FLAG_GENERIC(AT_EMPTY_PATH),
1200 #endif
1201 #ifdef AT_NO_AUTOMOUNT
1202     FLAG_GENERIC(AT_NO_AUTOMOUNT),
1203 #endif
1204 #ifdef AT_SYMLINK_NOFOLLOW
1205     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
1206 #endif
1207 #ifdef AT_STATX_SYNC_AS_STAT
1208     FLAG_GENERIC_MASK(AT_STATX_SYNC_AS_STAT, AT_STATX_SYNC_TYPE),
1209 #endif
1210 #ifdef AT_STATX_FORCE_SYNC
1211     FLAG_GENERIC_MASK(AT_STATX_FORCE_SYNC, AT_STATX_SYNC_TYPE),
1212 #endif
1213 #ifdef AT_STATX_DONT_SYNC
1214     FLAG_GENERIC_MASK(AT_STATX_DONT_SYNC, AT_STATX_SYNC_TYPE),
1215 #endif
1216     FLAG_END,
1217 };
1218 
1219 UNUSED static const struct flags statx_mask[] = {
1220 /* This must come first, because it includes everything.  */
1221 #ifdef STATX_ALL
1222     FLAG_GENERIC(STATX_ALL),
1223 #endif
1224 /* This must come second; it includes everything except STATX_BTIME.  */
1225 #ifdef STATX_BASIC_STATS
1226     FLAG_GENERIC(STATX_BASIC_STATS),
1227 #endif
1228 #ifdef STATX_TYPE
1229     FLAG_GENERIC(STATX_TYPE),
1230 #endif
1231 #ifdef STATX_MODE
1232     FLAG_GENERIC(STATX_MODE),
1233 #endif
1234 #ifdef STATX_NLINK
1235     FLAG_GENERIC(STATX_NLINK),
1236 #endif
1237 #ifdef STATX_UID
1238     FLAG_GENERIC(STATX_UID),
1239 #endif
1240 #ifdef STATX_GID
1241     FLAG_GENERIC(STATX_GID),
1242 #endif
1243 #ifdef STATX_ATIME
1244     FLAG_GENERIC(STATX_ATIME),
1245 #endif
1246 #ifdef STATX_MTIME
1247     FLAG_GENERIC(STATX_MTIME),
1248 #endif
1249 #ifdef STATX_CTIME
1250     FLAG_GENERIC(STATX_CTIME),
1251 #endif
1252 #ifdef STATX_INO
1253     FLAG_GENERIC(STATX_INO),
1254 #endif
1255 #ifdef STATX_SIZE
1256     FLAG_GENERIC(STATX_SIZE),
1257 #endif
1258 #ifdef STATX_BLOCKS
1259     FLAG_GENERIC(STATX_BLOCKS),
1260 #endif
1261 #ifdef STATX_BTIME
1262     FLAG_GENERIC(STATX_BTIME),
1263 #endif
1264     FLAG_END,
1265 };
1266 
1267 UNUSED static const struct flags falloc_flags[] = {
1268     FLAG_GENERIC(FALLOC_FL_KEEP_SIZE),
1269     FLAG_GENERIC(FALLOC_FL_PUNCH_HOLE),
1270 #ifdef FALLOC_FL_NO_HIDE_STALE
1271     FLAG_GENERIC(FALLOC_FL_NO_HIDE_STALE),
1272 #endif
1273 #ifdef FALLOC_FL_COLLAPSE_RANGE
1274     FLAG_GENERIC(FALLOC_FL_COLLAPSE_RANGE),
1275 #endif
1276 #ifdef FALLOC_FL_ZERO_RANGE
1277     FLAG_GENERIC(FALLOC_FL_ZERO_RANGE),
1278 #endif
1279 #ifdef FALLOC_FL_INSERT_RANGE
1280     FLAG_GENERIC(FALLOC_FL_INSERT_RANGE),
1281 #endif
1282 #ifdef FALLOC_FL_UNSHARE_RANGE
1283     FLAG_GENERIC(FALLOC_FL_UNSHARE_RANGE),
1284 #endif
1285 };
1286 
1287 UNUSED static const struct flags termios_iflags[] = {
1288     FLAG_TARGET(IGNBRK),
1289     FLAG_TARGET(BRKINT),
1290     FLAG_TARGET(IGNPAR),
1291     FLAG_TARGET(PARMRK),
1292     FLAG_TARGET(INPCK),
1293     FLAG_TARGET(ISTRIP),
1294     FLAG_TARGET(INLCR),
1295     FLAG_TARGET(IGNCR),
1296     FLAG_TARGET(ICRNL),
1297     FLAG_TARGET(IUCLC),
1298     FLAG_TARGET(IXON),
1299     FLAG_TARGET(IXANY),
1300     FLAG_TARGET(IXOFF),
1301     FLAG_TARGET(IMAXBEL),
1302     FLAG_TARGET(IUTF8),
1303     FLAG_END,
1304 };
1305 
1306 UNUSED static const struct flags termios_oflags[] = {
1307     FLAG_TARGET(OPOST),
1308     FLAG_TARGET(OLCUC),
1309     FLAG_TARGET(ONLCR),
1310     FLAG_TARGET(OCRNL),
1311     FLAG_TARGET(ONOCR),
1312     FLAG_TARGET(ONLRET),
1313     FLAG_TARGET(OFILL),
1314     FLAG_TARGET(OFDEL),
1315     FLAG_END,
1316 };
1317 
1318 UNUSED static struct enums termios_oflags_NLDLY[] = {
1319     ENUM_TARGET(NL0),
1320     ENUM_TARGET(NL1),
1321     ENUM_END,
1322 };
1323 
1324 UNUSED static struct enums termios_oflags_CRDLY[] = {
1325     ENUM_TARGET(CR0),
1326     ENUM_TARGET(CR1),
1327     ENUM_TARGET(CR2),
1328     ENUM_TARGET(CR3),
1329     ENUM_END,
1330 };
1331 
1332 UNUSED static struct enums termios_oflags_TABDLY[] = {
1333     ENUM_TARGET(TAB0),
1334     ENUM_TARGET(TAB1),
1335     ENUM_TARGET(TAB2),
1336     ENUM_TARGET(TAB3),
1337     ENUM_END,
1338 };
1339 
1340 UNUSED static struct enums termios_oflags_VTDLY[] = {
1341     ENUM_TARGET(VT0),
1342     ENUM_TARGET(VT1),
1343     ENUM_END,
1344 };
1345 
1346 UNUSED static struct enums termios_oflags_FFDLY[] = {
1347     ENUM_TARGET(FF0),
1348     ENUM_TARGET(FF1),
1349     ENUM_END,
1350 };
1351 
1352 UNUSED static struct enums termios_oflags_BSDLY[] = {
1353     ENUM_TARGET(BS0),
1354     ENUM_TARGET(BS1),
1355     ENUM_END,
1356 };
1357 
1358 UNUSED static struct enums termios_cflags_CBAUD[] = {
1359     ENUM_TARGET(B0),
1360     ENUM_TARGET(B50),
1361     ENUM_TARGET(B75),
1362     ENUM_TARGET(B110),
1363     ENUM_TARGET(B134),
1364     ENUM_TARGET(B150),
1365     ENUM_TARGET(B200),
1366     ENUM_TARGET(B300),
1367     ENUM_TARGET(B600),
1368     ENUM_TARGET(B1200),
1369     ENUM_TARGET(B1800),
1370     ENUM_TARGET(B2400),
1371     ENUM_TARGET(B4800),
1372     ENUM_TARGET(B9600),
1373     ENUM_TARGET(B19200),
1374     ENUM_TARGET(B38400),
1375     ENUM_TARGET(B57600),
1376     ENUM_TARGET(B115200),
1377     ENUM_TARGET(B230400),
1378     ENUM_TARGET(B460800),
1379     ENUM_END,
1380 };
1381 
1382 UNUSED static struct enums termios_cflags_CSIZE[] = {
1383     ENUM_TARGET(CS5),
1384     ENUM_TARGET(CS6),
1385     ENUM_TARGET(CS7),
1386     ENUM_TARGET(CS8),
1387     ENUM_END,
1388 };
1389 
1390 UNUSED static const struct flags termios_cflags[] = {
1391     FLAG_TARGET(CSTOPB),
1392     FLAG_TARGET(CREAD),
1393     FLAG_TARGET(PARENB),
1394     FLAG_TARGET(PARODD),
1395     FLAG_TARGET(HUPCL),
1396     FLAG_TARGET(CLOCAL),
1397     FLAG_TARGET(CRTSCTS),
1398     FLAG_END,
1399 };
1400 
1401 UNUSED static const struct flags termios_lflags[] = {
1402     FLAG_TARGET(ISIG),
1403     FLAG_TARGET(ICANON),
1404     FLAG_TARGET(XCASE),
1405     FLAG_TARGET(ECHO),
1406     FLAG_TARGET(ECHOE),
1407     FLAG_TARGET(ECHOK),
1408     FLAG_TARGET(ECHONL),
1409     FLAG_TARGET(NOFLSH),
1410     FLAG_TARGET(TOSTOP),
1411     FLAG_TARGET(ECHOCTL),
1412     FLAG_TARGET(ECHOPRT),
1413     FLAG_TARGET(ECHOKE),
1414     FLAG_TARGET(FLUSHO),
1415     FLAG_TARGET(PENDIN),
1416     FLAG_TARGET(IEXTEN),
1417     FLAG_TARGET(EXTPROC),
1418     FLAG_END,
1419 };
1420 
1421 #ifdef TARGET_NR_mlockall
1422 static const struct flags mlockall_flags[] = {
1423     FLAG_TARGET(MCL_CURRENT),
1424     FLAG_TARGET(MCL_FUTURE),
1425 #ifdef MCL_ONFAULT
1426     FLAG_TARGET(MCL_ONFAULT),
1427 #endif
1428     FLAG_END,
1429 };
1430 #endif
1431 
1432 /* IDs of the various system clocks */
1433 #define TARGET_CLOCK_REALTIME              0
1434 #define TARGET_CLOCK_MONOTONIC             1
1435 #define TARGET_CLOCK_PROCESS_CPUTIME_ID    2
1436 #define TARGET_CLOCK_THREAD_CPUTIME_ID     3
1437 #define TARGET_CLOCK_MONOTONIC_RAW         4
1438 #define TARGET_CLOCK_REALTIME_COARSE       5
1439 #define TARGET_CLOCK_MONOTONIC_COARSE      6
1440 #define TARGET_CLOCK_BOOTTIME              7
1441 #define TARGET_CLOCK_REALTIME_ALARM        8
1442 #define TARGET_CLOCK_BOOTTIME_ALARM        9
1443 #define TARGET_CLOCK_SGI_CYCLE             10
1444 #define TARGET_CLOCK_TAI                   11
1445 
1446 UNUSED static struct enums clockids[] = {
1447     ENUM_TARGET(CLOCK_REALTIME),
1448     ENUM_TARGET(CLOCK_MONOTONIC),
1449     ENUM_TARGET(CLOCK_PROCESS_CPUTIME_ID),
1450     ENUM_TARGET(CLOCK_THREAD_CPUTIME_ID),
1451     ENUM_TARGET(CLOCK_MONOTONIC_RAW),
1452     ENUM_TARGET(CLOCK_REALTIME_COARSE),
1453     ENUM_TARGET(CLOCK_MONOTONIC_COARSE),
1454     ENUM_TARGET(CLOCK_BOOTTIME),
1455     ENUM_TARGET(CLOCK_REALTIME_ALARM),
1456     ENUM_TARGET(CLOCK_BOOTTIME_ALARM),
1457     ENUM_TARGET(CLOCK_SGI_CYCLE),
1458     ENUM_TARGET(CLOCK_TAI),
1459     ENUM_END,
1460 };
1461 
1462 UNUSED static struct enums itimer_types[] = {
1463     ENUM_GENERIC(ITIMER_REAL),
1464     ENUM_GENERIC(ITIMER_VIRTUAL),
1465     ENUM_GENERIC(ITIMER_PROF),
1466     ENUM_END,
1467 };
1468 
1469 /*
1470  * print_xxx utility functions.  These are used to print syscall
1471  * parameters in certain format.  All of these have parameter
1472  * named 'last'.  This parameter is used to add comma to output
1473  * when last == 0.
1474  */
1475 
1476 static const char *
1477 get_comma(int last)
1478 {
1479     return ((last) ? "" : ",");
1480 }
1481 
1482 static void
1483 print_flags(const struct flags *f, abi_long flags, int last)
1484 {
1485     const char *sep = "";
1486     int n;
1487 
1488     for (n = 0; f->f_string != NULL; f++) {
1489         if ((flags & f->f_mask) == f->f_value) {
1490             qemu_log("%s%s", sep, f->f_string);
1491             flags &= ~f->f_mask;
1492             sep = "|";
1493             n++;
1494         }
1495     }
1496 
1497     if (n > 0) {
1498         /* print rest of the flags as numeric */
1499         if (flags != 0) {
1500             qemu_log("%s%#x%s", sep, (unsigned int)flags, get_comma(last));
1501         } else {
1502             qemu_log("%s", get_comma(last));
1503         }
1504     } else {
1505         /* no string version of flags found, print them in hex then */
1506         qemu_log("%#x%s", (unsigned int)flags, get_comma(last));
1507     }
1508 }
1509 
1510 static void
1511 print_enums(const struct enums *e, abi_long enum_arg, int last)
1512 {
1513     for (; e->e_string != NULL; e++) {
1514         if (e->e_value == enum_arg) {
1515             qemu_log("%s", e->e_string);
1516             break;
1517         }
1518     }
1519 
1520     if (e->e_string == NULL) {
1521         qemu_log("%#x", (unsigned int)enum_arg);
1522     }
1523 
1524     qemu_log("%s", get_comma(last));
1525 }
1526 
1527 static void
1528 print_at_dirfd(abi_long dirfd, int last)
1529 {
1530 #ifdef AT_FDCWD
1531     if (dirfd == AT_FDCWD) {
1532         qemu_log("AT_FDCWD%s", get_comma(last));
1533         return;
1534     }
1535 #endif
1536     qemu_log("%d%s", (int)dirfd, get_comma(last));
1537 }
1538 
1539 static void
1540 print_file_mode(abi_long mode, int last)
1541 {
1542     const char *sep = "";
1543     const struct flags *m;
1544 
1545     if (mode == 0) {
1546         qemu_log("000%s", get_comma(last));
1547         return;
1548     }
1549 
1550     for (m = &mode_flags[0]; m->f_string != NULL; m++) {
1551         if ((m->f_value & mode) == m->f_value) {
1552             qemu_log("%s%s", m->f_string, sep);
1553             sep = "|";
1554             mode &= ~m->f_value;
1555             break;
1556         }
1557     }
1558 
1559     mode &= ~S_IFMT;
1560     /* print rest of the mode as octal */
1561     if (mode != 0)
1562         qemu_log("%s%#o", sep, (unsigned int)mode);
1563 
1564     qemu_log("%s", get_comma(last));
1565 }
1566 
1567 static void
1568 print_open_flags(abi_long flags, int last)
1569 {
1570     print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1);
1571     flags &= ~TARGET_O_ACCMODE;
1572     if (flags == 0) {
1573         qemu_log("%s", get_comma(last));
1574         return;
1575     }
1576     qemu_log("|");
1577     print_flags(open_flags, flags, last);
1578 }
1579 
1580 static void
1581 print_syscall_prologue(const struct syscallname *sc)
1582 {
1583     qemu_log("%s(", sc->name);
1584 }
1585 
1586 /*ARGSUSED*/
1587 static void
1588 print_syscall_epilogue(const struct syscallname *sc)
1589 {
1590     (void)sc;
1591     qemu_log(")");
1592 }
1593 
1594 static void
1595 print_string(abi_long addr, int last)
1596 {
1597     char *s;
1598 
1599     if ((s = lock_user_string(addr)) != NULL) {
1600         qemu_log("\"%s\"%s", s, get_comma(last));
1601         unlock_user(s, addr, 0);
1602     } else {
1603         /* can't get string out of it, so print it as pointer */
1604         print_pointer(addr, last);
1605     }
1606 }
1607 
1608 #define MAX_PRINT_BUF 40
1609 static void
1610 print_buf(abi_long addr, abi_long len, int last)
1611 {
1612     uint8_t *s;
1613     int i;
1614 
1615     s = lock_user(VERIFY_READ, addr, len, 1);
1616     if (s) {
1617         qemu_log("\"");
1618         for (i = 0; i < MAX_PRINT_BUF && i < len; i++) {
1619             if (isprint(s[i])) {
1620                 qemu_log("%c", s[i]);
1621             } else {
1622                 qemu_log("\\%o", s[i]);
1623             }
1624         }
1625         qemu_log("\"");
1626         if (i != len) {
1627             qemu_log("...");
1628         }
1629         if (!last) {
1630             qemu_log(",");
1631         }
1632         unlock_user(s, addr, 0);
1633     } else {
1634         print_pointer(addr, last);
1635     }
1636 }
1637 
1638 /*
1639  * Prints out raw parameter using given format.  Caller needs
1640  * to do byte swapping if needed.
1641  */
1642 static void
1643 print_raw_param(const char *fmt, abi_long param, int last)
1644 {
1645     char format[64];
1646 
1647     (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last));
1648     qemu_log(format, param);
1649 }
1650 
1651 /*
1652  * Same as print_raw_param() but prints out raw 64-bit parameter.
1653  */
1654 static void
1655 print_raw_param64(const char *fmt, long long param, int last)
1656 {
1657     char format[64];
1658 
1659     (void)snprintf(format, sizeof(format), "%s%s", fmt, get_comma(last));
1660     qemu_log(format, param);
1661 }
1662 
1663 
1664 static void
1665 print_pointer(abi_long p, int last)
1666 {
1667     if (p == 0)
1668         qemu_log("NULL%s", get_comma(last));
1669     else
1670         qemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last));
1671 }
1672 
1673 /*
1674  * Reads 32-bit (int) number from guest address space from
1675  * address 'addr' and prints it.
1676  */
1677 static void
1678 print_number(abi_long addr, int last)
1679 {
1680     if (addr == 0) {
1681         qemu_log("NULL%s", get_comma(last));
1682     } else {
1683         int num;
1684 
1685         get_user_s32(num, addr);
1686         qemu_log("[%d]%s", num, get_comma(last));
1687     }
1688 }
1689 
1690 static void
1691 print_timeval(abi_ulong tv_addr, int last)
1692 {
1693     if( tv_addr ) {
1694         struct target_timeval *tv;
1695 
1696         tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
1697         if (!tv) {
1698             print_pointer(tv_addr, last);
1699             return;
1700         }
1701         qemu_log("{tv_sec = " TARGET_ABI_FMT_ld
1702                  ",tv_usec = " TARGET_ABI_FMT_ld "}%s",
1703                  tswapal(tv->tv_sec), tswapal(tv->tv_usec), get_comma(last));
1704         unlock_user(tv, tv_addr, 0);
1705     } else
1706         qemu_log("NULL%s", get_comma(last));
1707 }
1708 
1709 static void
1710 print_timespec(abi_ulong ts_addr, int last)
1711 {
1712     if (ts_addr) {
1713         struct target_timespec *ts;
1714 
1715         ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1);
1716         if (!ts) {
1717             print_pointer(ts_addr, last);
1718             return;
1719         }
1720         qemu_log("{tv_sec = " TARGET_ABI_FMT_ld
1721                  ",tv_nsec = " TARGET_ABI_FMT_ld "}%s",
1722                  tswapal(ts->tv_sec), tswapal(ts->tv_nsec), get_comma(last));
1723         unlock_user(ts, ts_addr, 0);
1724     } else {
1725         qemu_log("NULL%s", get_comma(last));
1726     }
1727 }
1728 
1729 static void
1730 print_timespec64(abi_ulong ts_addr, int last)
1731 {
1732     if (ts_addr) {
1733         struct target__kernel_timespec *ts;
1734 
1735         ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1);
1736         if (!ts) {
1737             print_pointer(ts_addr, last);
1738             return;
1739         }
1740         print_raw_param64("{tv_sec=%" PRId64, tswap64(ts->tv_sec), 0);
1741         print_raw_param64("tv_nsec=%" PRId64 "}", tswap64(ts->tv_nsec), last);
1742         unlock_user(ts, ts_addr, 0);
1743     } else {
1744         qemu_log("NULL%s", get_comma(last));
1745     }
1746 }
1747 
1748 static void
1749 print_timezone(abi_ulong tz_addr, int last)
1750 {
1751     if (tz_addr) {
1752         struct target_timezone *tz;
1753 
1754         tz = lock_user(VERIFY_READ, tz_addr, sizeof(*tz), 1);
1755         if (!tz) {
1756             print_pointer(tz_addr, last);
1757             return;
1758         }
1759         qemu_log("{%d,%d}%s", tswap32(tz->tz_minuteswest),
1760                  tswap32(tz->tz_dsttime), get_comma(last));
1761         unlock_user(tz, tz_addr, 0);
1762     } else {
1763         qemu_log("NULL%s", get_comma(last));
1764     }
1765 }
1766 
1767 static void
1768 print_itimerval(abi_ulong it_addr, int last)
1769 {
1770     if (it_addr) {
1771         qemu_log("{it_interval=");
1772         print_timeval(it_addr +
1773                       offsetof(struct target_itimerval, it_interval), 0);
1774         qemu_log("it_value=");
1775         print_timeval(it_addr +
1776                       offsetof(struct target_itimerval, it_value), 0);
1777         qemu_log("}%s", get_comma(last));
1778     } else {
1779         qemu_log("NULL%s", get_comma(last));
1780     }
1781 }
1782 
1783 void
1784 print_termios(void *arg)
1785 {
1786     const struct target_termios *target = arg;
1787 
1788     target_tcflag_t iflags = tswap32(target->c_iflag);
1789     target_tcflag_t oflags = tswap32(target->c_oflag);
1790     target_tcflag_t cflags = tswap32(target->c_cflag);
1791     target_tcflag_t lflags = tswap32(target->c_lflag);
1792 
1793     qemu_log("{");
1794 
1795     qemu_log("c_iflag = ");
1796     print_flags(termios_iflags, iflags, 0);
1797 
1798     qemu_log("c_oflag = ");
1799     target_tcflag_t oflags_clean =  oflags & ~(TARGET_NLDLY | TARGET_CRDLY |
1800                                                TARGET_TABDLY | TARGET_BSDLY |
1801                                                TARGET_VTDLY | TARGET_FFDLY);
1802     print_flags(termios_oflags, oflags_clean, 0);
1803     if (oflags & TARGET_NLDLY) {
1804         print_enums(termios_oflags_NLDLY, oflags & TARGET_NLDLY, 0);
1805     }
1806     if (oflags & TARGET_CRDLY) {
1807         print_enums(termios_oflags_CRDLY, oflags & TARGET_CRDLY, 0);
1808     }
1809     if (oflags & TARGET_TABDLY) {
1810         print_enums(termios_oflags_TABDLY, oflags & TARGET_TABDLY, 0);
1811     }
1812     if (oflags & TARGET_BSDLY) {
1813         print_enums(termios_oflags_BSDLY, oflags & TARGET_BSDLY, 0);
1814     }
1815     if (oflags & TARGET_VTDLY) {
1816         print_enums(termios_oflags_VTDLY, oflags & TARGET_VTDLY, 0);
1817     }
1818     if (oflags & TARGET_FFDLY) {
1819         print_enums(termios_oflags_FFDLY, oflags & TARGET_FFDLY, 0);
1820     }
1821 
1822     qemu_log("c_cflag = ");
1823     if (cflags & TARGET_CBAUD) {
1824         print_enums(termios_cflags_CBAUD, cflags & TARGET_CBAUD, 0);
1825     }
1826     if (cflags & TARGET_CSIZE) {
1827         print_enums(termios_cflags_CSIZE, cflags & TARGET_CSIZE, 0);
1828     }
1829     target_tcflag_t cflags_clean = cflags & ~(TARGET_CBAUD | TARGET_CSIZE);
1830     print_flags(termios_cflags, cflags_clean, 0);
1831 
1832     qemu_log("c_lflag = ");
1833     print_flags(termios_lflags, lflags, 0);
1834 
1835     qemu_log("c_cc = ");
1836     qemu_log("\"%s\",", target->c_cc);
1837 
1838     qemu_log("c_line = ");
1839     print_raw_param("\'%c\'", target->c_line, 1);
1840 
1841     qemu_log("}");
1842 }
1843 
1844 #undef UNUSED
1845 
1846 #ifdef TARGET_NR_accept
1847 static void
1848 print_accept(CPUArchState *cpu_env, const struct syscallname *name,
1849              abi_long arg0, abi_long arg1, abi_long arg2,
1850              abi_long arg3, abi_long arg4, abi_long arg5)
1851 {
1852     print_syscall_prologue(name);
1853     print_raw_param("%d", arg0, 0);
1854     print_pointer(arg1, 0);
1855     print_number(arg2, 1);
1856     print_syscall_epilogue(name);
1857 }
1858 #endif
1859 
1860 #ifdef TARGET_NR_access
1861 static void
1862 print_access(CPUArchState *cpu_env, const struct syscallname *name,
1863              abi_long arg0, abi_long arg1, abi_long arg2,
1864              abi_long arg3, abi_long arg4, abi_long arg5)
1865 {
1866     print_syscall_prologue(name);
1867     print_string(arg0, 0);
1868     print_flags(access_flags, arg1, 1);
1869     print_syscall_epilogue(name);
1870 }
1871 #endif
1872 
1873 #ifdef TARGET_NR_acct
1874 static void
1875 print_acct(CPUArchState *cpu_env, const struct syscallname *name,
1876            abi_long arg0, abi_long arg1, abi_long arg2,
1877            abi_long arg3, abi_long arg4, abi_long arg5)
1878 {
1879     print_syscall_prologue(name);
1880     print_string(arg0, 1);
1881     print_syscall_epilogue(name);
1882 }
1883 #endif
1884 
1885 #ifdef TARGET_NR_brk
1886 static void
1887 print_brk(CPUArchState *cpu_env, const struct syscallname *name,
1888           abi_long arg0, abi_long arg1, abi_long arg2,
1889           abi_long arg3, abi_long arg4, abi_long arg5)
1890 {
1891     print_syscall_prologue(name);
1892     print_pointer(arg0, 1);
1893     print_syscall_epilogue(name);
1894 }
1895 #endif
1896 
1897 #ifdef TARGET_NR_chdir
1898 static void
1899 print_chdir(CPUArchState *cpu_env, const struct syscallname *name,
1900             abi_long arg0, abi_long arg1, abi_long arg2,
1901             abi_long arg3, abi_long arg4, abi_long arg5)
1902 {
1903     print_syscall_prologue(name);
1904     print_string(arg0, 1);
1905     print_syscall_epilogue(name);
1906 }
1907 #endif
1908 
1909 #ifdef TARGET_NR_chroot
1910 static void
1911 print_chroot(CPUArchState *cpu_env, const struct syscallname *name,
1912              abi_long arg0, abi_long arg1, abi_long arg2,
1913              abi_long arg3, abi_long arg4, abi_long arg5)
1914 {
1915     print_syscall_prologue(name);
1916     print_string(arg0, 1);
1917     print_syscall_epilogue(name);
1918 }
1919 #endif
1920 
1921 #ifdef TARGET_NR_chmod
1922 static void
1923 print_chmod(CPUArchState *cpu_env, const struct syscallname *name,
1924             abi_long arg0, abi_long arg1, abi_long arg2,
1925             abi_long arg3, abi_long arg4, abi_long arg5)
1926 {
1927     print_syscall_prologue(name);
1928     print_string(arg0, 0);
1929     print_file_mode(arg1, 1);
1930     print_syscall_epilogue(name);
1931 }
1932 #endif
1933 
1934 #if defined(TARGET_NR_chown) || defined(TARGET_NR_lchown)
1935 static void
1936 print_chown(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_string(arg0, 0);
1942     print_raw_param("%d", arg1, 0);
1943     print_raw_param("%d", arg2, 1);
1944     print_syscall_epilogue(name);
1945 }
1946 #define print_lchown     print_chown
1947 #endif
1948 
1949 #ifdef TARGET_NR_clock_adjtime
1950 static void
1951 print_clock_adjtime(CPUArchState *cpu_env, const struct syscallname *name,
1952                     abi_long arg0, abi_long arg1, abi_long arg2,
1953                     abi_long arg3, abi_long arg4, abi_long arg5)
1954 {
1955     print_syscall_prologue(name);
1956     print_enums(clockids, arg0, 0);
1957     print_pointer(arg1, 1);
1958     print_syscall_epilogue(name);
1959 }
1960 #endif
1961 
1962 #ifdef TARGET_NR_clone
1963 static void do_print_clone(unsigned int flags, abi_ulong newsp,
1964                            abi_ulong parent_tidptr, target_ulong newtls,
1965                            abi_ulong child_tidptr)
1966 {
1967     print_flags(clone_flags, flags, 0);
1968     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, newsp, 0);
1969     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, parent_tidptr, 0);
1970     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, newtls, 0);
1971     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, child_tidptr, 1);
1972 }
1973 
1974 static void
1975 print_clone(CPUArchState *cpu_env, const struct syscallname *name,
1976             abi_long arg1, abi_long arg2, abi_long arg3,
1977             abi_long arg4, abi_long arg5, abi_long arg6)
1978 {
1979     print_syscall_prologue(name);
1980 #if defined(TARGET_MICROBLAZE)
1981     do_print_clone(arg1, arg2, arg4, arg6, arg5);
1982 #elif defined(TARGET_CLONE_BACKWARDS)
1983     do_print_clone(arg1, arg2, arg3, arg4, arg5);
1984 #elif defined(TARGET_CLONE_BACKWARDS2)
1985     do_print_clone(arg2, arg1, arg3, arg5, arg4);
1986 #else
1987     do_print_clone(arg1, arg2, arg3, arg5, arg4);
1988 #endif
1989     print_syscall_epilogue(name);
1990 }
1991 #endif
1992 
1993 #ifdef TARGET_NR_creat
1994 static void
1995 print_creat(CPUArchState *cpu_env, const struct syscallname *name,
1996             abi_long arg0, abi_long arg1, abi_long arg2,
1997             abi_long arg3, abi_long arg4, abi_long arg5)
1998 {
1999     print_syscall_prologue(name);
2000     print_string(arg0, 0);
2001     print_file_mode(arg1, 1);
2002     print_syscall_epilogue(name);
2003 }
2004 #endif
2005 
2006 #ifdef TARGET_NR_execv
2007 static void
2008 print_execv(CPUArchState *cpu_env, const struct syscallname *name,
2009             abi_long arg0, abi_long arg1, abi_long arg2,
2010             abi_long arg3, abi_long arg4, abi_long arg5)
2011 {
2012     print_syscall_prologue(name);
2013     print_string(arg0, 0);
2014     print_raw_param("0x" TARGET_ABI_FMT_lx, arg1, 1);
2015     print_syscall_epilogue(name);
2016 }
2017 #endif
2018 
2019 static void
2020 print_execve_argv(abi_long argv, int last)
2021 {
2022     abi_ulong arg_ptr_addr;
2023     char *s;
2024 
2025     qemu_log("{");
2026     for (arg_ptr_addr = argv; ; arg_ptr_addr += sizeof(abi_ulong)) {
2027         abi_ulong *arg_ptr, arg_addr;
2028 
2029         arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
2030         if (!arg_ptr) {
2031             return;
2032         }
2033         arg_addr = tswapal(*arg_ptr);
2034         unlock_user(arg_ptr, arg_ptr_addr, 0);
2035         if (!arg_addr) {
2036             break;
2037         }
2038         s = lock_user_string(arg_addr);
2039         if (s) {
2040             qemu_log("\"%s\",", s);
2041             unlock_user(s, arg_addr, 0);
2042         }
2043     }
2044     qemu_log("NULL}%s", get_comma(last));
2045 }
2046 
2047 static void
2048 print_execve(CPUArchState *cpu_env, const struct syscallname *name,
2049              abi_long arg1, abi_long arg2, abi_long arg3,
2050              abi_long arg4, abi_long arg5, abi_long arg6)
2051 {
2052     print_syscall_prologue(name);
2053     print_string(arg1, 0);
2054     print_execve_argv(arg2, 1);
2055     print_syscall_epilogue(name);
2056 }
2057 
2058 static void
2059 print_execveat(CPUArchState *cpu_env, const struct syscallname *name,
2060                abi_long arg1, abi_long arg2, abi_long arg3,
2061                abi_long arg4, abi_long arg5, abi_long arg6)
2062 {
2063     print_syscall_prologue(name);
2064     print_at_dirfd(arg1, 0);
2065     print_string(arg2, 0);
2066     print_execve_argv(arg3, 0);
2067     print_flags(execveat_flags, arg5, 1);
2068     print_syscall_epilogue(name);
2069 }
2070 
2071 #if defined(TARGET_NR_faccessat) || defined(TARGET_NR_faccessat2)
2072 static void
2073 print_faccessat(CPUArchState *cpu_env, const struct syscallname *name,
2074                 abi_long arg0, abi_long arg1, abi_long arg2,
2075                 abi_long arg3, abi_long arg4, abi_long arg5)
2076 {
2077     print_syscall_prologue(name);
2078     print_at_dirfd(arg0, 0);
2079     print_string(arg1, 0);
2080     print_flags(access_flags, arg2, 0);
2081     print_flags(at_file_flags, arg3, 1);
2082     print_syscall_epilogue(name);
2083 }
2084 #endif
2085 
2086 #ifdef TARGET_NR_fallocate
2087 static void
2088 print_fallocate(CPUArchState *cpu_env, const struct syscallname *name,
2089                 abi_long arg0, abi_long arg1, abi_long arg2,
2090                 abi_long arg3, abi_long arg4, abi_long arg5)
2091 {
2092     print_syscall_prologue(name);
2093     print_raw_param("%d", arg0, 0);
2094     print_flags(falloc_flags, arg1, 0);
2095 #if TARGET_ABI_BITS == 32
2096     print_raw_param("%" PRIu64, target_offset64(arg2, arg3), 0);
2097     print_raw_param("%" PRIu64, target_offset64(arg4, arg5), 1);
2098 #else
2099     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2100     print_raw_param(TARGET_ABI_FMT_ld, arg3, 1);
2101 #endif
2102     print_syscall_epilogue(name);
2103 }
2104 #endif
2105 
2106 #ifdef TARGET_NR_fchmodat
2107 static void
2108 print_fchmodat(CPUArchState *cpu_env, const struct syscallname *name,
2109                abi_long arg0, abi_long arg1, abi_long arg2,
2110                abi_long arg3, abi_long arg4, abi_long arg5)
2111 {
2112     print_syscall_prologue(name);
2113     print_at_dirfd(arg0, 0);
2114     print_string(arg1, 0);
2115     print_file_mode(arg2, 0);
2116     print_flags(at_file_flags, arg3, 1);
2117     print_syscall_epilogue(name);
2118 }
2119 #endif
2120 
2121 #ifdef TARGET_NR_fchownat
2122 static void
2123 print_fchownat(CPUArchState *cpu_env, const struct syscallname *name,
2124                abi_long arg0, abi_long arg1, abi_long arg2,
2125                abi_long arg3, abi_long arg4, abi_long arg5)
2126 {
2127     print_syscall_prologue(name);
2128     print_at_dirfd(arg0, 0);
2129     print_string(arg1, 0);
2130     print_raw_param("%d", arg2, 0);
2131     print_raw_param("%d", arg3, 0);
2132     print_flags(at_file_flags, arg4, 1);
2133     print_syscall_epilogue(name);
2134 }
2135 #endif
2136 
2137 #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
2138 static void
2139 print_fcntl(CPUArchState *cpu_env, const struct syscallname *name,
2140             abi_long arg0, abi_long arg1, abi_long arg2,
2141             abi_long arg3, abi_long arg4, abi_long arg5)
2142 {
2143     print_syscall_prologue(name);
2144     print_raw_param("%d", arg0, 0);
2145     switch(arg1) {
2146     case TARGET_F_DUPFD:
2147         qemu_log("F_DUPFD,");
2148         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2149         break;
2150     case TARGET_F_GETFD:
2151         qemu_log("F_GETFD");
2152         break;
2153     case TARGET_F_SETFD:
2154         qemu_log("F_SETFD,");
2155         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2156         break;
2157     case TARGET_F_GETFL:
2158         qemu_log("F_GETFL");
2159         break;
2160     case TARGET_F_SETFL:
2161         qemu_log("F_SETFL,");
2162         print_open_flags(arg2, 1);
2163         break;
2164     case TARGET_F_GETLK:
2165         qemu_log("F_GETLK,");
2166         print_pointer(arg2, 1);
2167         break;
2168     case TARGET_F_SETLK:
2169         qemu_log("F_SETLK,");
2170         print_pointer(arg2, 1);
2171         break;
2172     case TARGET_F_SETLKW:
2173         qemu_log("F_SETLKW,");
2174         print_pointer(arg2, 1);
2175         break;
2176     case TARGET_F_GETOWN:
2177         qemu_log("F_GETOWN");
2178         break;
2179     case TARGET_F_SETOWN:
2180         qemu_log("F_SETOWN,");
2181         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2182         break;
2183     case TARGET_F_GETSIG:
2184         qemu_log("F_GETSIG");
2185         break;
2186     case TARGET_F_SETSIG:
2187         qemu_log("F_SETSIG,");
2188         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2189         break;
2190 #if TARGET_ABI_BITS == 32
2191     case TARGET_F_GETLK64:
2192         qemu_log("F_GETLK64,");
2193         print_pointer(arg2, 1);
2194         break;
2195     case TARGET_F_SETLK64:
2196         qemu_log("F_SETLK64,");
2197         print_pointer(arg2, 1);
2198         break;
2199     case TARGET_F_SETLKW64:
2200         qemu_log("F_SETLKW64,");
2201         print_pointer(arg2, 1);
2202         break;
2203 #endif
2204     case TARGET_F_OFD_GETLK:
2205         qemu_log("F_OFD_GETLK,");
2206         print_pointer(arg2, 1);
2207         break;
2208     case TARGET_F_OFD_SETLK:
2209         qemu_log("F_OFD_SETLK,");
2210         print_pointer(arg2, 1);
2211         break;
2212     case TARGET_F_OFD_SETLKW:
2213         qemu_log("F_OFD_SETLKW,");
2214         print_pointer(arg2, 1);
2215         break;
2216     case TARGET_F_SETLEASE:
2217         qemu_log("F_SETLEASE,");
2218         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2219         break;
2220     case TARGET_F_GETLEASE:
2221         qemu_log("F_GETLEASE");
2222         break;
2223 #ifdef F_DUPFD_CLOEXEC
2224     case TARGET_F_DUPFD_CLOEXEC:
2225         qemu_log("F_DUPFD_CLOEXEC,");
2226         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2227         break;
2228 #endif
2229     case TARGET_F_NOTIFY:
2230         qemu_log("F_NOTIFY,");
2231         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2232         break;
2233 #ifdef F_GETOWN_EX
2234     case TARGET_F_GETOWN_EX:
2235         qemu_log("F_GETOWN_EX,");
2236         print_pointer(arg2, 1);
2237         break;
2238 #endif
2239 #ifdef F_SETOWN_EX
2240     case TARGET_F_SETOWN_EX:
2241         qemu_log("F_SETOWN_EX,");
2242         print_pointer(arg2, 1);
2243         break;
2244 #endif
2245 #ifdef F_SETPIPE_SZ
2246     case TARGET_F_SETPIPE_SZ:
2247         qemu_log("F_SETPIPE_SZ,");
2248         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2249         break;
2250     case TARGET_F_GETPIPE_SZ:
2251         qemu_log("F_GETPIPE_SZ");
2252         break;
2253 #endif
2254 #ifdef F_ADD_SEALS
2255     case TARGET_F_ADD_SEALS:
2256         qemu_log("F_ADD_SEALS,");
2257         print_raw_param("0x"TARGET_ABI_FMT_lx, arg2, 1);
2258         break;
2259     case TARGET_F_GET_SEALS:
2260         qemu_log("F_GET_SEALS");
2261         break;
2262 #endif
2263     default:
2264         print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
2265         print_pointer(arg2, 1);
2266         break;
2267     }
2268     print_syscall_epilogue(name);
2269 }
2270 #define print_fcntl64   print_fcntl
2271 #endif
2272 
2273 #ifdef TARGET_NR_fgetxattr
2274 static void
2275 print_fgetxattr(CPUArchState *cpu_env, const struct syscallname *name,
2276                 abi_long arg0, abi_long arg1, abi_long arg2,
2277                 abi_long arg3, abi_long arg4, abi_long arg5)
2278 {
2279     print_syscall_prologue(name);
2280     print_raw_param("%d", arg0, 0);
2281     print_string(arg1, 0);
2282     print_pointer(arg2, 0);
2283     print_raw_param(TARGET_FMT_lu, arg3, 1);
2284     print_syscall_epilogue(name);
2285 }
2286 #endif
2287 
2288 #ifdef TARGET_NR_flistxattr
2289 static void
2290 print_flistxattr(CPUArchState *cpu_env, const struct syscallname *name,
2291                  abi_long arg0, abi_long arg1, abi_long arg2,
2292                  abi_long arg3, abi_long arg4, abi_long arg5)
2293 {
2294     print_syscall_prologue(name);
2295     print_raw_param("%d", arg0, 0);
2296     print_pointer(arg1, 0);
2297     print_raw_param(TARGET_FMT_lu, arg2, 1);
2298     print_syscall_epilogue(name);
2299 }
2300 #endif
2301 
2302 #if defined(TARGET_NR_getxattr) || defined(TARGET_NR_lgetxattr)
2303 static void
2304 print_getxattr(CPUArchState *cpu_env, const struct syscallname *name,
2305                abi_long arg0, abi_long arg1, abi_long arg2,
2306                abi_long arg3, abi_long arg4, abi_long arg5)
2307 {
2308     print_syscall_prologue(name);
2309     print_string(arg0, 0);
2310     print_string(arg1, 0);
2311     print_pointer(arg2, 0);
2312     print_raw_param(TARGET_FMT_lu, arg3, 1);
2313     print_syscall_epilogue(name);
2314 }
2315 #define print_lgetxattr     print_getxattr
2316 #endif
2317 
2318 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr)
2319 static void
2320 print_listxattr(CPUArchState *cpu_env, const struct syscallname *name,
2321                 abi_long arg0, abi_long arg1, abi_long arg2,
2322                 abi_long arg3, abi_long arg4, abi_long arg5)
2323 {
2324     print_syscall_prologue(name);
2325     print_string(arg0, 0);
2326     print_pointer(arg1, 0);
2327     print_raw_param(TARGET_FMT_lu, arg2, 1);
2328     print_syscall_epilogue(name);
2329 }
2330 #define print_llistxattr     print_listxattr
2331 #endif
2332 
2333 #if defined(TARGET_NR_fremovexattr)
2334 static void
2335 print_fremovexattr(CPUArchState *cpu_env, const struct syscallname *name,
2336                    abi_long arg0, abi_long arg1, abi_long arg2,
2337                    abi_long arg3, abi_long arg4, abi_long arg5)
2338 {
2339     print_syscall_prologue(name);
2340     print_raw_param("%d", arg0, 0);
2341     print_string(arg1, 1);
2342     print_syscall_epilogue(name);
2343 }
2344 #endif
2345 
2346 #if defined(TARGET_NR_removexattr) || defined(TARGET_NR_lremovexattr)
2347 static void
2348 print_removexattr(CPUArchState *cpu_env, const struct syscallname *name,
2349                   abi_long arg0, abi_long arg1, abi_long arg2,
2350                   abi_long arg3, abi_long arg4, abi_long arg5)
2351 {
2352     print_syscall_prologue(name);
2353     print_string(arg0, 0);
2354     print_string(arg1, 1);
2355     print_syscall_epilogue(name);
2356 }
2357 #define print_lremovexattr     print_removexattr
2358 #endif
2359 
2360 #ifdef TARGET_NR_futimesat
2361 static void
2362 print_futimesat(CPUArchState *cpu_env, const struct syscallname *name,
2363                 abi_long arg0, abi_long arg1, abi_long arg2,
2364                 abi_long arg3, abi_long arg4, abi_long arg5)
2365 {
2366     print_syscall_prologue(name);
2367     print_at_dirfd(arg0, 0);
2368     print_string(arg1, 0);
2369     print_timeval(arg2, 0);
2370     print_timeval(arg2 + sizeof (struct target_timeval), 1);
2371     print_syscall_epilogue(name);
2372 }
2373 #endif
2374 
2375 #ifdef TARGET_NR_gettimeofday
2376 static void
2377 print_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name,
2378                    abi_long arg0, abi_long arg1, abi_long arg2,
2379                    abi_long arg3, abi_long arg4, abi_long arg5)
2380 {
2381     print_syscall_prologue(name);
2382     print_pointer(arg0, 0);
2383     print_pointer(arg1, 1);
2384     print_syscall_epilogue(name);
2385 }
2386 #endif
2387 
2388 #ifdef TARGET_NR_settimeofday
2389 static void
2390 print_settimeofday(CPUArchState *cpu_env, const struct syscallname *name,
2391                    abi_long arg0, abi_long arg1, abi_long arg2,
2392                    abi_long arg3, abi_long arg4, abi_long arg5)
2393 {
2394     print_syscall_prologue(name);
2395     print_timeval(arg0, 0);
2396     print_timezone(arg1, 1);
2397     print_syscall_epilogue(name);
2398 }
2399 #endif
2400 
2401 #if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
2402 static void
2403 print_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name,
2404                     abi_long arg0, abi_long arg1, abi_long arg2,
2405                     abi_long arg3, abi_long arg4, abi_long arg5)
2406 {
2407     print_syscall_prologue(name);
2408     print_enums(clockids, arg0, 0);
2409     print_pointer(arg1, 1);
2410     print_syscall_epilogue(name);
2411 }
2412 #define print_clock_getres     print_clock_gettime
2413 #endif
2414 
2415 #if defined(TARGET_NR_clock_gettime64)
2416 static void
2417 print_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name,
2418                     abi_long arg0, abi_long arg1, abi_long arg2,
2419                     abi_long arg3, abi_long arg4, abi_long arg5)
2420 {
2421     print_syscall_prologue(name);
2422     print_enums(clockids, arg0, 0);
2423     print_pointer(arg1, 1);
2424     print_syscall_epilogue(name);
2425 }
2426 #endif
2427 
2428 #ifdef TARGET_NR_clock_settime
2429 static void
2430 print_clock_settime(CPUArchState *cpu_env, const struct syscallname *name,
2431                     abi_long arg0, abi_long arg1, abi_long arg2,
2432                     abi_long arg3, abi_long arg4, abi_long arg5)
2433 {
2434     print_syscall_prologue(name);
2435     print_enums(clockids, arg0, 0);
2436     print_timespec(arg1, 1);
2437     print_syscall_epilogue(name);
2438 }
2439 #endif
2440 
2441 #ifdef TARGET_NR_getitimer
2442 static void
2443 print_getitimer(CPUArchState *cpu_env, const struct syscallname *name,
2444                 abi_long arg0, abi_long arg1, abi_long arg2,
2445                 abi_long arg3, abi_long arg4, abi_long arg5)
2446 {
2447     print_syscall_prologue(name);
2448     print_enums(itimer_types, arg0, 0);
2449     print_pointer(arg1, 1);
2450     print_syscall_epilogue(name);
2451 }
2452 #endif
2453 
2454 #ifdef TARGET_NR_setitimer
2455 static void
2456 print_setitimer(CPUArchState *cpu_env, const struct syscallname *name,
2457                 abi_long arg0, abi_long arg1, abi_long arg2,
2458                 abi_long arg3, abi_long arg4, abi_long arg5)
2459 {
2460     print_syscall_prologue(name);
2461     print_enums(itimer_types, arg0, 0);
2462     print_itimerval(arg1, 0);
2463     print_pointer(arg2, 1);
2464     print_syscall_epilogue(name);
2465 }
2466 #endif
2467 
2468 #ifdef TARGET_NR_link
2469 static void
2470 print_link(CPUArchState *cpu_env, const struct syscallname *name,
2471            abi_long arg0, abi_long arg1, abi_long arg2,
2472            abi_long arg3, abi_long arg4, abi_long arg5)
2473 {
2474     print_syscall_prologue(name);
2475     print_string(arg0, 0);
2476     print_string(arg1, 1);
2477     print_syscall_epilogue(name);
2478 }
2479 #endif
2480 
2481 #ifdef TARGET_NR_linkat
2482 static void
2483 print_linkat(CPUArchState *cpu_env, const struct syscallname *name,
2484              abi_long arg0, abi_long arg1, abi_long arg2,
2485              abi_long arg3, abi_long arg4, abi_long arg5)
2486 {
2487     print_syscall_prologue(name);
2488     print_at_dirfd(arg0, 0);
2489     print_string(arg1, 0);
2490     print_at_dirfd(arg2, 0);
2491     print_string(arg3, 0);
2492     print_flags(at_file_flags, arg4, 1);
2493     print_syscall_epilogue(name);
2494 }
2495 #endif
2496 
2497 #if defined(TARGET_NR__llseek) || defined(TARGET_NR_llseek)
2498 static void
2499 print__llseek(CPUArchState *cpu_env, const struct syscallname *name,
2500               abi_long arg0, abi_long arg1, abi_long arg2,
2501               abi_long arg3, abi_long arg4, abi_long arg5)
2502 {
2503     const char *whence = "UNKNOWN";
2504     print_syscall_prologue(name);
2505     print_raw_param("%d", arg0, 0);
2506     print_raw_param("%ld", arg1, 0);
2507     print_raw_param("%ld", arg2, 0);
2508     print_pointer(arg3, 0);
2509     switch(arg4) {
2510     case SEEK_SET: whence = "SEEK_SET"; break;
2511     case SEEK_CUR: whence = "SEEK_CUR"; break;
2512     case SEEK_END: whence = "SEEK_END"; break;
2513     }
2514     qemu_log("%s", whence);
2515     print_syscall_epilogue(name);
2516 }
2517 #define print_llseek print__llseek
2518 #endif
2519 
2520 #ifdef TARGET_NR_lseek
2521 static void
2522 print_lseek(CPUArchState *cpu_env, const struct syscallname *name,
2523             abi_long arg0, abi_long arg1, abi_long arg2,
2524             abi_long arg3, abi_long arg4, abi_long arg5)
2525 {
2526     print_syscall_prologue(name);
2527     print_raw_param("%d", arg0, 0);
2528     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
2529     switch (arg2) {
2530     case SEEK_SET:
2531         qemu_log("SEEK_SET"); break;
2532     case SEEK_CUR:
2533         qemu_log("SEEK_CUR"); break;
2534     case SEEK_END:
2535         qemu_log("SEEK_END"); break;
2536 #ifdef SEEK_DATA
2537     case SEEK_DATA:
2538         qemu_log("SEEK_DATA"); break;
2539 #endif
2540 #ifdef SEEK_HOLE
2541     case SEEK_HOLE:
2542         qemu_log("SEEK_HOLE"); break;
2543 #endif
2544     default:
2545         print_raw_param("%#x", arg2, 1);
2546     }
2547     print_syscall_epilogue(name);
2548 }
2549 #endif
2550 
2551 #ifdef TARGET_NR_truncate
2552 static void
2553 print_truncate(CPUArchState *cpu_env, const struct syscallname *name,
2554                abi_long arg0, abi_long arg1, abi_long arg2,
2555                abi_long arg3, abi_long arg4, abi_long arg5)
2556 {
2557     print_syscall_prologue(name);
2558     print_string(arg0, 0);
2559     print_raw_param(TARGET_ABI_FMT_ld, arg1, 1);
2560     print_syscall_epilogue(name);
2561 }
2562 #endif
2563 
2564 #ifdef TARGET_NR_truncate64
2565 static void
2566 print_truncate64(CPUArchState *cpu_env, const struct syscallname *name,
2567                  abi_long arg0, abi_long arg1, abi_long arg2,
2568                  abi_long arg3, abi_long arg4, abi_long arg5)
2569 {
2570     print_syscall_prologue(name);
2571     print_string(arg0, 0);
2572     if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) {
2573         arg1 = arg2;
2574         arg2 = arg3;
2575     }
2576     print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1);
2577     print_syscall_epilogue(name);
2578 }
2579 #endif
2580 
2581 #ifdef TARGET_NR_ftruncate64
2582 static void
2583 print_ftruncate64(CPUArchState *cpu_env, const struct syscallname *name,
2584                   abi_long arg0, abi_long arg1, abi_long arg2,
2585                   abi_long arg3, abi_long arg4, abi_long arg5)
2586 {
2587     print_syscall_prologue(name);
2588     print_raw_param("%d", arg0, 0);
2589     if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) {
2590         arg1 = arg2;
2591         arg2 = arg3;
2592     }
2593     print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1);
2594     print_syscall_epilogue(name);
2595 }
2596 #endif
2597 
2598 #ifdef TARGET_NR_mlockall
2599 static void
2600 print_mlockall(CPUArchState *cpu_env, const struct syscallname *name,
2601                abi_long arg0, abi_long arg1, abi_long arg2,
2602                abi_long arg3, abi_long arg4, abi_long arg5)
2603 {
2604     print_syscall_prologue(name);
2605     print_flags(mlockall_flags, arg0, 1);
2606     print_syscall_epilogue(name);
2607 }
2608 #endif
2609 
2610 #if defined(TARGET_NR_socket)
2611 static void
2612 print_socket(CPUArchState *cpu_env, const struct syscallname *name,
2613              abi_long arg0, abi_long arg1, abi_long arg2,
2614              abi_long arg3, abi_long arg4, abi_long arg5)
2615 {
2616     abi_ulong domain = arg0, type = arg1, protocol = arg2;
2617 
2618     print_syscall_prologue(name);
2619     print_socket_domain(domain);
2620     qemu_log(",");
2621     print_socket_type(type);
2622     qemu_log(",");
2623     if (domain == AF_PACKET ||
2624         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
2625         protocol = tswap16(protocol);
2626     }
2627     print_socket_protocol(domain, type, protocol);
2628     print_syscall_epilogue(name);
2629 }
2630 
2631 #endif
2632 
2633 #if defined(TARGET_NR_socketcall) || defined(TARGET_NR_bind)
2634 
2635 static void print_sockfd(abi_long sockfd, int last)
2636 {
2637     print_raw_param(TARGET_ABI_FMT_ld, sockfd, last);
2638 }
2639 
2640 #endif
2641 
2642 #if defined(TARGET_NR_socketcall)
2643 
2644 #define get_user_ualx(x, gaddr, idx) \
2645         get_user_ual(x, (gaddr) + (idx) * sizeof(abi_long))
2646 
2647 static void do_print_socket(const char *name, abi_long arg1)
2648 {
2649     abi_ulong domain, type, protocol;
2650 
2651     get_user_ualx(domain, arg1, 0);
2652     get_user_ualx(type, arg1, 1);
2653     get_user_ualx(protocol, arg1, 2);
2654     qemu_log("%s(", name);
2655     print_socket_domain(domain);
2656     qemu_log(",");
2657     print_socket_type(type);
2658     qemu_log(",");
2659     if (domain == AF_PACKET ||
2660         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
2661         protocol = tswap16(protocol);
2662     }
2663     print_socket_protocol(domain, type, protocol);
2664     qemu_log(")");
2665 }
2666 
2667 static void do_print_sockaddr(const char *name, abi_long arg1)
2668 {
2669     abi_ulong sockfd, addr, addrlen;
2670 
2671     get_user_ualx(sockfd, arg1, 0);
2672     get_user_ualx(addr, arg1, 1);
2673     get_user_ualx(addrlen, arg1, 2);
2674 
2675     qemu_log("%s(", name);
2676     print_sockfd(sockfd, 0);
2677     print_sockaddr(addr, addrlen, 0);
2678     qemu_log(")");
2679 }
2680 
2681 static void do_print_listen(const char *name, abi_long arg1)
2682 {
2683     abi_ulong sockfd, backlog;
2684 
2685     get_user_ualx(sockfd, arg1, 0);
2686     get_user_ualx(backlog, arg1, 1);
2687 
2688     qemu_log("%s(", name);
2689     print_sockfd(sockfd, 0);
2690     print_raw_param(TARGET_ABI_FMT_ld, backlog, 1);
2691     qemu_log(")");
2692 }
2693 
2694 static void do_print_socketpair(const char *name, abi_long arg1)
2695 {
2696     abi_ulong domain, type, protocol, tab;
2697 
2698     get_user_ualx(domain, arg1, 0);
2699     get_user_ualx(type, arg1, 1);
2700     get_user_ualx(protocol, arg1, 2);
2701     get_user_ualx(tab, arg1, 3);
2702 
2703     qemu_log("%s(", name);
2704     print_socket_domain(domain);
2705     qemu_log(",");
2706     print_socket_type(type);
2707     qemu_log(",");
2708     print_socket_protocol(domain, type, protocol);
2709     qemu_log(",");
2710     print_raw_param(TARGET_ABI_FMT_lx, tab, 1);
2711     qemu_log(")");
2712 }
2713 
2714 static void do_print_sendrecv(const char *name, abi_long arg1)
2715 {
2716     abi_ulong sockfd, msg, len, flags;
2717 
2718     get_user_ualx(sockfd, arg1, 0);
2719     get_user_ualx(msg, arg1, 1);
2720     get_user_ualx(len, arg1, 2);
2721     get_user_ualx(flags, arg1, 3);
2722 
2723     qemu_log("%s(", name);
2724     print_sockfd(sockfd, 0);
2725     print_buf(msg, len, 0);
2726     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
2727     print_flags(msg_flags, flags, 1);
2728     qemu_log(")");
2729 }
2730 
2731 static void do_print_msgaddr(const char *name, abi_long arg1)
2732 {
2733     abi_ulong sockfd, msg, len, flags, addr, addrlen;
2734 
2735     get_user_ualx(sockfd, arg1, 0);
2736     get_user_ualx(msg, arg1, 1);
2737     get_user_ualx(len, arg1, 2);
2738     get_user_ualx(flags, arg1, 3);
2739     get_user_ualx(addr, arg1, 4);
2740     get_user_ualx(addrlen, arg1, 5);
2741 
2742     qemu_log("%s(", name);
2743     print_sockfd(sockfd, 0);
2744     print_buf(msg, len, 0);
2745     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
2746     print_flags(msg_flags, flags, 0);
2747     print_sockaddr(addr, addrlen, 0);
2748     qemu_log(")");
2749 }
2750 
2751 static void do_print_shutdown(const char *name, abi_long arg1)
2752 {
2753     abi_ulong sockfd, how;
2754 
2755     get_user_ualx(sockfd, arg1, 0);
2756     get_user_ualx(how, arg1, 1);
2757 
2758     qemu_log("shutdown(");
2759     print_sockfd(sockfd, 0);
2760     switch (how) {
2761     case SHUT_RD:
2762         qemu_log("SHUT_RD");
2763         break;
2764     case SHUT_WR:
2765         qemu_log("SHUT_WR");
2766         break;
2767     case SHUT_RDWR:
2768         qemu_log("SHUT_RDWR");
2769         break;
2770     default:
2771         print_raw_param(TARGET_ABI_FMT_ld, how, 1);
2772         break;
2773     }
2774     qemu_log(")");
2775 }
2776 
2777 static void do_print_msg(const char *name, abi_long arg1)
2778 {
2779     abi_ulong sockfd, msg, flags;
2780 
2781     get_user_ualx(sockfd, arg1, 0);
2782     get_user_ualx(msg, arg1, 1);
2783     get_user_ualx(flags, arg1, 2);
2784 
2785     qemu_log("%s(", name);
2786     print_sockfd(sockfd, 0);
2787     print_pointer(msg, 0);
2788     print_flags(msg_flags, flags, 1);
2789     qemu_log(")");
2790 }
2791 
2792 static void do_print_sockopt(const char *name, abi_long arg1)
2793 {
2794     abi_ulong sockfd, level, optname, optval, optlen;
2795 
2796     get_user_ualx(sockfd, arg1, 0);
2797     get_user_ualx(level, arg1, 1);
2798     get_user_ualx(optname, arg1, 2);
2799     get_user_ualx(optval, arg1, 3);
2800     get_user_ualx(optlen, arg1, 4);
2801 
2802     qemu_log("%s(", name);
2803     print_sockfd(sockfd, 0);
2804     switch (level) {
2805     case SOL_TCP:
2806         qemu_log("SOL_TCP,");
2807         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2808         print_pointer(optval, 0);
2809         break;
2810     case SOL_UDP:
2811         qemu_log("SOL_UDP,");
2812         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2813         print_pointer(optval, 0);
2814         break;
2815     case SOL_IP:
2816         qemu_log("SOL_IP,");
2817         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2818         print_pointer(optval, 0);
2819         break;
2820     case SOL_RAW:
2821         qemu_log("SOL_RAW,");
2822         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2823         print_pointer(optval, 0);
2824         break;
2825     case TARGET_SOL_SOCKET:
2826         qemu_log("SOL_SOCKET,");
2827         switch (optname) {
2828         case TARGET_SO_DEBUG:
2829             qemu_log("SO_DEBUG,");
2830 print_optint:
2831             print_number(optval, 0);
2832             break;
2833         case TARGET_SO_REUSEADDR:
2834             qemu_log("SO_REUSEADDR,");
2835             goto print_optint;
2836         case TARGET_SO_REUSEPORT:
2837             qemu_log("SO_REUSEPORT,");
2838             goto print_optint;
2839         case TARGET_SO_TYPE:
2840             qemu_log("SO_TYPE,");
2841             goto print_optint;
2842         case TARGET_SO_ERROR:
2843             qemu_log("SO_ERROR,");
2844             goto print_optint;
2845         case TARGET_SO_DONTROUTE:
2846             qemu_log("SO_DONTROUTE,");
2847             goto print_optint;
2848         case TARGET_SO_BROADCAST:
2849             qemu_log("SO_BROADCAST,");
2850             goto print_optint;
2851         case TARGET_SO_SNDBUF:
2852             qemu_log("SO_SNDBUF,");
2853             goto print_optint;
2854         case TARGET_SO_RCVBUF:
2855             qemu_log("SO_RCVBUF,");
2856             goto print_optint;
2857         case TARGET_SO_KEEPALIVE:
2858             qemu_log("SO_KEEPALIVE,");
2859             goto print_optint;
2860         case TARGET_SO_OOBINLINE:
2861             qemu_log("SO_OOBINLINE,");
2862             goto print_optint;
2863         case TARGET_SO_NO_CHECK:
2864             qemu_log("SO_NO_CHECK,");
2865             goto print_optint;
2866         case TARGET_SO_PRIORITY:
2867             qemu_log("SO_PRIORITY,");
2868             goto print_optint;
2869         case TARGET_SO_BSDCOMPAT:
2870             qemu_log("SO_BSDCOMPAT,");
2871             goto print_optint;
2872         case TARGET_SO_PASSCRED:
2873             qemu_log("SO_PASSCRED,");
2874             goto print_optint;
2875         case TARGET_SO_TIMESTAMP:
2876             qemu_log("SO_TIMESTAMP,");
2877             goto print_optint;
2878         case TARGET_SO_RCVLOWAT:
2879             qemu_log("SO_RCVLOWAT,");
2880             goto print_optint;
2881         case TARGET_SO_RCVTIMEO:
2882             qemu_log("SO_RCVTIMEO,");
2883             print_timeval(optval, 0);
2884             break;
2885         case TARGET_SO_SNDTIMEO:
2886             qemu_log("SO_SNDTIMEO,");
2887             print_timeval(optval, 0);
2888             break;
2889         case TARGET_SO_ATTACH_FILTER: {
2890             struct target_sock_fprog *fprog;
2891 
2892             qemu_log("SO_ATTACH_FILTER,");
2893 
2894             if (lock_user_struct(VERIFY_READ, fprog, optval,  0)) {
2895                 struct target_sock_filter *filter;
2896                 qemu_log("{");
2897                 if (lock_user_struct(VERIFY_READ, filter,
2898                                      tswapal(fprog->filter),  0)) {
2899                     int i;
2900                     for (i = 0; i < tswap16(fprog->len) - 1; i++) {
2901                         qemu_log("[%d]{0x%x,%d,%d,0x%x},",
2902                                  i, tswap16(filter[i].code),
2903                                  filter[i].jt, filter[i].jf,
2904                                  tswap32(filter[i].k));
2905                     }
2906                     qemu_log("[%d]{0x%x,%d,%d,0x%x}",
2907                              i, tswap16(filter[i].code),
2908                              filter[i].jt, filter[i].jf,
2909                              tswap32(filter[i].k));
2910                 } else {
2911                     qemu_log(TARGET_ABI_FMT_lx, tswapal(fprog->filter));
2912                 }
2913                 qemu_log(",%d},", tswap16(fprog->len));
2914                 unlock_user(fprog, optval, 0);
2915             } else {
2916                 print_pointer(optval, 0);
2917             }
2918             break;
2919         }
2920         default:
2921             print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2922             print_pointer(optval, 0);
2923             break;
2924         }
2925         break;
2926     case SOL_IPV6:
2927         qemu_log("SOL_IPV6,");
2928         switch (optname) {
2929         case IPV6_MTU_DISCOVER:
2930             qemu_log("IPV6_MTU_DISCOVER,");
2931             goto print_optint;
2932         case IPV6_MTU:
2933             qemu_log("IPV6_MTU,");
2934             goto print_optint;
2935         case IPV6_V6ONLY:
2936             qemu_log("IPV6_V6ONLY,");
2937             goto print_optint;
2938         case IPV6_RECVPKTINFO:
2939             qemu_log("IPV6_RECVPKTINFO,");
2940             goto print_optint;
2941         case IPV6_UNICAST_HOPS:
2942             qemu_log("IPV6_UNICAST_HOPS,");
2943             goto print_optint;
2944         case IPV6_MULTICAST_HOPS:
2945             qemu_log("IPV6_MULTICAST_HOPS,");
2946             goto print_optint;
2947         case IPV6_MULTICAST_LOOP:
2948             qemu_log("IPV6_MULTICAST_LOOP,");
2949             goto print_optint;
2950         case IPV6_RECVERR:
2951             qemu_log("IPV6_RECVERR,");
2952             goto print_optint;
2953         case IPV6_RECVHOPLIMIT:
2954             qemu_log("IPV6_RECVHOPLIMIT,");
2955             goto print_optint;
2956         case IPV6_2292HOPLIMIT:
2957             qemu_log("IPV6_2292HOPLIMIT,");
2958             goto print_optint;
2959         case IPV6_CHECKSUM:
2960             qemu_log("IPV6_CHECKSUM,");
2961             goto print_optint;
2962         case IPV6_ADDRFORM:
2963             qemu_log("IPV6_ADDRFORM,");
2964             goto print_optint;
2965         case IPV6_2292PKTINFO:
2966             qemu_log("IPV6_2292PKTINFO,");
2967             goto print_optint;
2968         case IPV6_RECVTCLASS:
2969             qemu_log("IPV6_RECVTCLASS,");
2970             goto print_optint;
2971         case IPV6_RECVRTHDR:
2972             qemu_log("IPV6_RECVRTHDR,");
2973             goto print_optint;
2974         case IPV6_2292RTHDR:
2975             qemu_log("IPV6_2292RTHDR,");
2976             goto print_optint;
2977         case IPV6_RECVHOPOPTS:
2978             qemu_log("IPV6_RECVHOPOPTS,");
2979             goto print_optint;
2980         case IPV6_2292HOPOPTS:
2981             qemu_log("IPV6_2292HOPOPTS,");
2982             goto print_optint;
2983         case IPV6_RECVDSTOPTS:
2984             qemu_log("IPV6_RECVDSTOPTS,");
2985             goto print_optint;
2986         case IPV6_2292DSTOPTS:
2987             qemu_log("IPV6_2292DSTOPTS,");
2988             goto print_optint;
2989         case IPV6_TCLASS:
2990             qemu_log("IPV6_TCLASS,");
2991             goto print_optint;
2992         case IPV6_ADDR_PREFERENCES:
2993             qemu_log("IPV6_ADDR_PREFERENCES,");
2994             goto print_optint;
2995 #ifdef IPV6_RECVPATHMTU
2996         case IPV6_RECVPATHMTU:
2997             qemu_log("IPV6_RECVPATHMTU,");
2998             goto print_optint;
2999 #endif
3000 #ifdef IPV6_TRANSPARENT
3001         case IPV6_TRANSPARENT:
3002             qemu_log("IPV6_TRANSPARENT,");
3003             goto print_optint;
3004 #endif
3005 #ifdef IPV6_FREEBIND
3006         case IPV6_FREEBIND:
3007             qemu_log("IPV6_FREEBIND,");
3008             goto print_optint;
3009 #endif
3010 #ifdef IPV6_RECVORIGDSTADDR
3011         case IPV6_RECVORIGDSTADDR:
3012             qemu_log("IPV6_RECVORIGDSTADDR,");
3013             goto print_optint;
3014 #endif
3015         case IPV6_PKTINFO:
3016             qemu_log("IPV6_PKTINFO,");
3017             print_pointer(optval, 0);
3018             break;
3019         case IPV6_ADD_MEMBERSHIP:
3020             qemu_log("IPV6_ADD_MEMBERSHIP,");
3021             print_pointer(optval, 0);
3022             break;
3023         case IPV6_DROP_MEMBERSHIP:
3024             qemu_log("IPV6_DROP_MEMBERSHIP,");
3025             print_pointer(optval, 0);
3026             break;
3027         default:
3028             print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
3029             print_pointer(optval, 0);
3030             break;
3031         }
3032         break;
3033     default:
3034         print_raw_param(TARGET_ABI_FMT_ld, level, 0);
3035         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
3036         print_pointer(optval, 0);
3037         break;
3038     }
3039     print_raw_param(TARGET_ABI_FMT_ld, optlen, 1);
3040     qemu_log(")");
3041 }
3042 
3043 #define PRINT_SOCKOP(name, func) \
3044     [TARGET_SYS_##name] = { #name, func }
3045 
3046 static struct {
3047     const char *name;
3048     void (*print)(const char *, abi_long);
3049 } scall[] = {
3050     PRINT_SOCKOP(SOCKET, do_print_socket),
3051     PRINT_SOCKOP(BIND, do_print_sockaddr),
3052     PRINT_SOCKOP(CONNECT, do_print_sockaddr),
3053     PRINT_SOCKOP(LISTEN, do_print_listen),
3054     PRINT_SOCKOP(ACCEPT, do_print_sockaddr),
3055     PRINT_SOCKOP(GETSOCKNAME, do_print_sockaddr),
3056     PRINT_SOCKOP(GETPEERNAME, do_print_sockaddr),
3057     PRINT_SOCKOP(SOCKETPAIR, do_print_socketpair),
3058     PRINT_SOCKOP(SEND, do_print_sendrecv),
3059     PRINT_SOCKOP(RECV, do_print_sendrecv),
3060     PRINT_SOCKOP(SENDTO, do_print_msgaddr),
3061     PRINT_SOCKOP(RECVFROM, do_print_msgaddr),
3062     PRINT_SOCKOP(SHUTDOWN, do_print_shutdown),
3063     PRINT_SOCKOP(SETSOCKOPT, do_print_sockopt),
3064     PRINT_SOCKOP(GETSOCKOPT, do_print_sockopt),
3065     PRINT_SOCKOP(SENDMSG, do_print_msg),
3066     PRINT_SOCKOP(RECVMSG, do_print_msg),
3067     PRINT_SOCKOP(ACCEPT4, NULL),
3068     PRINT_SOCKOP(RECVMMSG, NULL),
3069     PRINT_SOCKOP(SENDMMSG, NULL),
3070 };
3071 
3072 static void
3073 print_socketcall(CPUArchState *cpu_env, const struct syscallname *name,
3074                  abi_long arg0, abi_long arg1, abi_long arg2,
3075                  abi_long arg3, abi_long arg4, abi_long arg5)
3076 {
3077     if (arg0 >= 0 && arg0 < ARRAY_SIZE(scall) && scall[arg0].print) {
3078         scall[arg0].print(scall[arg0].name, arg1);
3079         return;
3080     }
3081     print_syscall_prologue(name);
3082     print_raw_param(TARGET_ABI_FMT_ld, arg0, 0);
3083     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
3084     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
3085     print_raw_param(TARGET_ABI_FMT_ld, arg3, 0);
3086     print_raw_param(TARGET_ABI_FMT_ld, arg4, 0);
3087     print_raw_param(TARGET_ABI_FMT_ld, arg5, 0);
3088     print_syscall_epilogue(name);
3089 }
3090 #endif
3091 
3092 #if defined(TARGET_NR_bind)
3093 static void
3094 print_bind(CPUArchState *cpu_env, const struct syscallname *name,
3095            abi_long arg0, abi_long arg1, abi_long arg2,
3096            abi_long arg3, abi_long arg4, abi_long arg5)
3097 {
3098     print_syscall_prologue(name);
3099     print_sockfd(arg0, 0);
3100     print_sockaddr(arg1, arg2, 1);
3101     print_syscall_epilogue(name);
3102 }
3103 #endif
3104 
3105 #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
3106     defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
3107 static void
3108 print_stat(CPUArchState *cpu_env, const struct syscallname *name,
3109            abi_long arg0, abi_long arg1, abi_long arg2,
3110            abi_long arg3, abi_long arg4, abi_long arg5)
3111 {
3112     print_syscall_prologue(name);
3113     print_string(arg0, 0);
3114     print_pointer(arg1, 1);
3115     print_syscall_epilogue(name);
3116 }
3117 #define print_lstat     print_stat
3118 #define print_stat64	print_stat
3119 #define print_lstat64   print_stat
3120 #endif
3121 
3122 #if defined(TARGET_NR_madvise)
3123 static struct enums madvise_advice[] = {
3124     ENUM_TARGET(MADV_NORMAL),
3125     ENUM_TARGET(MADV_RANDOM),
3126     ENUM_TARGET(MADV_SEQUENTIAL),
3127     ENUM_TARGET(MADV_WILLNEED),
3128     ENUM_TARGET(MADV_DONTNEED),
3129     ENUM_TARGET(MADV_FREE),
3130     ENUM_TARGET(MADV_REMOVE),
3131     ENUM_TARGET(MADV_DONTFORK),
3132     ENUM_TARGET(MADV_DOFORK),
3133     ENUM_TARGET(MADV_MERGEABLE),
3134     ENUM_TARGET(MADV_UNMERGEABLE),
3135     ENUM_TARGET(MADV_HUGEPAGE),
3136     ENUM_TARGET(MADV_NOHUGEPAGE),
3137     ENUM_TARGET(MADV_DONTDUMP),
3138     ENUM_TARGET(MADV_DODUMP),
3139     ENUM_TARGET(MADV_WIPEONFORK),
3140     ENUM_TARGET(MADV_KEEPONFORK),
3141     ENUM_TARGET(MADV_COLD),
3142     ENUM_TARGET(MADV_PAGEOUT),
3143     ENUM_TARGET(MADV_POPULATE_READ),
3144     ENUM_TARGET(MADV_POPULATE_WRITE),
3145     ENUM_TARGET(MADV_DONTNEED_LOCKED),
3146     ENUM_END,
3147 };
3148 
3149 static void
3150 print_madvise(CPUArchState *cpu_env, const struct syscallname *name,
3151               abi_long arg0, abi_long arg1, abi_long arg2,
3152               abi_long arg3, abi_long arg4, abi_long arg5)
3153 {
3154     print_syscall_prologue(name);
3155     print_pointer(arg0, 0);
3156     print_raw_param("%d", arg1, 0);
3157     print_enums(madvise_advice, arg2, 1);
3158     print_syscall_epilogue(name);
3159 }
3160 #endif
3161 
3162 #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
3163 static void
3164 print_fstat(CPUArchState *cpu_env, const struct syscallname *name,
3165             abi_long arg0, abi_long arg1, abi_long arg2,
3166             abi_long arg3, abi_long arg4, abi_long arg5)
3167 {
3168     print_syscall_prologue(name);
3169     print_raw_param("%d", arg0, 0);
3170     print_pointer(arg1, 1);
3171     print_syscall_epilogue(name);
3172 }
3173 #define print_fstat64     print_fstat
3174 #endif
3175 
3176 #ifdef TARGET_NR_mkdir
3177 static void
3178 print_mkdir(CPUArchState *cpu_env, const struct syscallname *name,
3179             abi_long arg0, abi_long arg1, abi_long arg2,
3180             abi_long arg3, abi_long arg4, abi_long arg5)
3181 {
3182     print_syscall_prologue(name);
3183     print_string(arg0, 0);
3184     print_file_mode(arg1, 1);
3185     print_syscall_epilogue(name);
3186 }
3187 #endif
3188 
3189 #ifdef TARGET_NR_mkdirat
3190 static void
3191 print_mkdirat(CPUArchState *cpu_env, const struct syscallname *name,
3192               abi_long arg0, abi_long arg1, abi_long arg2,
3193               abi_long arg3, abi_long arg4, abi_long arg5)
3194 {
3195     print_syscall_prologue(name);
3196     print_at_dirfd(arg0, 0);
3197     print_string(arg1, 0);
3198     print_file_mode(arg2, 1);
3199     print_syscall_epilogue(name);
3200 }
3201 #endif
3202 
3203 #ifdef TARGET_NR_rmdir
3204 static void
3205 print_rmdir(CPUArchState *cpu_env, const struct syscallname *name,
3206             abi_long arg0, abi_long arg1, abi_long arg2,
3207             abi_long arg3, abi_long arg4, abi_long arg5)
3208 {
3209     print_syscall_prologue(name);
3210     print_string(arg0, 0);
3211     print_syscall_epilogue(name);
3212 }
3213 #endif
3214 
3215 #ifdef TARGET_NR_rt_sigaction
3216 static void
3217 print_rt_sigaction(CPUArchState *cpu_env, const struct syscallname *name,
3218                    abi_long arg0, abi_long arg1, abi_long arg2,
3219                    abi_long arg3, abi_long arg4, abi_long arg5)
3220 {
3221     print_syscall_prologue(name);
3222     print_signal(arg0, 0);
3223     print_pointer(arg1, 0);
3224     print_pointer(arg2, 1);
3225     print_syscall_epilogue(name);
3226 }
3227 #endif
3228 
3229 #ifdef TARGET_NR_rt_sigprocmask
3230 static void
3231 print_rt_sigprocmask(CPUArchState *cpu_env, const struct syscallname *name,
3232                      abi_long arg0, abi_long arg1, abi_long arg2,
3233                      abi_long arg3, abi_long arg4, abi_long arg5)
3234 {
3235     const char *how = "UNKNOWN";
3236     print_syscall_prologue(name);
3237     switch(arg0) {
3238     case TARGET_SIG_BLOCK: how = "SIG_BLOCK"; break;
3239     case TARGET_SIG_UNBLOCK: how = "SIG_UNBLOCK"; break;
3240     case TARGET_SIG_SETMASK: how = "SIG_SETMASK"; break;
3241     }
3242     qemu_log("%s,", how);
3243     print_pointer(arg1, 0);
3244     print_pointer(arg2, 0);
3245     print_raw_param("%u", arg3, 1);
3246     print_syscall_epilogue(name);
3247 }
3248 #endif
3249 
3250 #ifdef TARGET_NR_rt_sigqueueinfo
3251 static void
3252 print_rt_sigqueueinfo(CPUArchState *cpu_env, const struct syscallname *name,
3253                       abi_long arg0, abi_long arg1, abi_long arg2,
3254                       abi_long arg3, abi_long arg4, abi_long arg5)
3255 {
3256     void *p;
3257     target_siginfo_t uinfo;
3258 
3259     print_syscall_prologue(name);
3260     print_raw_param("%d", arg0, 0);
3261     print_signal(arg1, 0);
3262     p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1);
3263     if (p) {
3264         get_target_siginfo(&uinfo, p);
3265         print_siginfo(&uinfo);
3266 
3267         unlock_user(p, arg2, 0);
3268     } else {
3269         print_pointer(arg2, 1);
3270     }
3271     print_syscall_epilogue(name);
3272 }
3273 #endif
3274 
3275 #ifdef TARGET_NR_rt_tgsigqueueinfo
3276 static void
3277 print_rt_tgsigqueueinfo(CPUArchState *cpu_env, const struct syscallname *name,
3278                         abi_long arg0, abi_long arg1, abi_long arg2,
3279                         abi_long arg3, abi_long arg4, abi_long arg5)
3280 {
3281     void *p;
3282     target_siginfo_t uinfo;
3283 
3284     print_syscall_prologue(name);
3285     print_raw_param("%d", arg0, 0);
3286     print_raw_param("%d", arg1, 0);
3287     print_signal(arg2, 0);
3288     p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
3289     if (p) {
3290         get_target_siginfo(&uinfo, p);
3291         print_siginfo(&uinfo);
3292 
3293         unlock_user(p, arg3, 0);
3294     } else {
3295         print_pointer(arg3, 1);
3296     }
3297     print_syscall_epilogue(name);
3298 }
3299 #endif
3300 
3301 #ifdef TARGET_NR_syslog
3302 static void
3303 print_syslog_action(abi_ulong arg, int last)
3304 {
3305     const char *type;
3306 
3307     switch (arg) {
3308         case TARGET_SYSLOG_ACTION_CLOSE: {
3309             type = "SYSLOG_ACTION_CLOSE";
3310             break;
3311         }
3312         case TARGET_SYSLOG_ACTION_OPEN: {
3313             type = "SYSLOG_ACTION_OPEN";
3314             break;
3315         }
3316         case TARGET_SYSLOG_ACTION_READ: {
3317             type = "SYSLOG_ACTION_READ";
3318             break;
3319         }
3320         case TARGET_SYSLOG_ACTION_READ_ALL: {
3321             type = "SYSLOG_ACTION_READ_ALL";
3322             break;
3323         }
3324         case TARGET_SYSLOG_ACTION_READ_CLEAR: {
3325             type = "SYSLOG_ACTION_READ_CLEAR";
3326             break;
3327         }
3328         case TARGET_SYSLOG_ACTION_CLEAR: {
3329             type = "SYSLOG_ACTION_CLEAR";
3330             break;
3331         }
3332         case TARGET_SYSLOG_ACTION_CONSOLE_OFF: {
3333             type = "SYSLOG_ACTION_CONSOLE_OFF";
3334             break;
3335         }
3336         case TARGET_SYSLOG_ACTION_CONSOLE_ON: {
3337             type = "SYSLOG_ACTION_CONSOLE_ON";
3338             break;
3339         }
3340         case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: {
3341             type = "SYSLOG_ACTION_CONSOLE_LEVEL";
3342             break;
3343         }
3344         case TARGET_SYSLOG_ACTION_SIZE_UNREAD: {
3345             type = "SYSLOG_ACTION_SIZE_UNREAD";
3346             break;
3347         }
3348         case TARGET_SYSLOG_ACTION_SIZE_BUFFER: {
3349             type = "SYSLOG_ACTION_SIZE_BUFFER";
3350             break;
3351         }
3352         default: {
3353             print_raw_param("%ld", arg, last);
3354             return;
3355         }
3356     }
3357     qemu_log("%s%s", type, get_comma(last));
3358 }
3359 
3360 static void
3361 print_syslog(CPUArchState *cpu_env, const struct syscallname *name,
3362              abi_long arg0, abi_long arg1, abi_long arg2,
3363              abi_long arg3, abi_long arg4, abi_long arg5)
3364 {
3365     print_syscall_prologue(name);
3366     print_syslog_action(arg0, 0);
3367     print_pointer(arg1, 0);
3368     print_raw_param("%d", arg2, 1);
3369     print_syscall_epilogue(name);
3370 }
3371 #endif
3372 
3373 #ifdef TARGET_NR_mknod
3374 static void
3375 print_mknod(CPUArchState *cpu_env, const struct syscallname *name,
3376             abi_long arg0, abi_long arg1, abi_long arg2,
3377             abi_long arg3, abi_long arg4, abi_long arg5)
3378 {
3379     int hasdev = (arg1 & (S_IFCHR|S_IFBLK));
3380 
3381     print_syscall_prologue(name);
3382     print_string(arg0, 0);
3383     print_file_mode(arg1, (hasdev == 0));
3384     if (hasdev) {
3385         print_raw_param("makedev(%d", major(arg2), 0);
3386         print_raw_param("%d)", minor(arg2), 1);
3387     }
3388     print_syscall_epilogue(name);
3389 }
3390 #endif
3391 
3392 #ifdef TARGET_NR_mknodat
3393 static void
3394 print_mknodat(CPUArchState *cpu_env, const struct syscallname *name,
3395               abi_long arg0, abi_long arg1, abi_long arg2,
3396               abi_long arg3, abi_long arg4, abi_long arg5)
3397 {
3398     int hasdev = (arg2 & (S_IFCHR|S_IFBLK));
3399 
3400     print_syscall_prologue(name);
3401     print_at_dirfd(arg0, 0);
3402     print_string(arg1, 0);
3403     print_file_mode(arg2, (hasdev == 0));
3404     if (hasdev) {
3405         print_raw_param("makedev(%d", major(arg3), 0);
3406         print_raw_param("%d)", minor(arg3), 1);
3407     }
3408     print_syscall_epilogue(name);
3409 }
3410 #endif
3411 
3412 #ifdef TARGET_NR_mq_open
3413 static void
3414 print_mq_open(CPUArchState *cpu_env, const struct syscallname *name,
3415               abi_long arg0, abi_long arg1, abi_long arg2,
3416               abi_long arg3, abi_long arg4, abi_long arg5)
3417 {
3418     int is_creat = (arg1 & TARGET_O_CREAT);
3419 
3420     print_syscall_prologue(name);
3421     print_string(arg0, 0);
3422     print_open_flags(arg1, (is_creat == 0));
3423     if (is_creat) {
3424         print_file_mode(arg2, 0);
3425         print_pointer(arg3, 1);
3426     }
3427     print_syscall_epilogue(name);
3428 }
3429 #endif
3430 
3431 #ifdef TARGET_NR_open
3432 static void
3433 print_open(CPUArchState *cpu_env, const struct syscallname *name,
3434            abi_long arg0, abi_long arg1, abi_long arg2,
3435            abi_long arg3, abi_long arg4, abi_long arg5)
3436 {
3437     int is_creat = (arg1 & TARGET_O_CREAT);
3438 
3439     print_syscall_prologue(name);
3440     print_string(arg0, 0);
3441     print_open_flags(arg1, (is_creat == 0));
3442     if (is_creat)
3443         print_file_mode(arg2, 1);
3444     print_syscall_epilogue(name);
3445 }
3446 #endif
3447 
3448 #ifdef TARGET_NR_openat
3449 static void
3450 print_openat(CPUArchState *cpu_env, const struct syscallname *name,
3451              abi_long arg0, abi_long arg1, abi_long arg2,
3452              abi_long arg3, abi_long arg4, abi_long arg5)
3453 {
3454     int is_creat = (arg2 & TARGET_O_CREAT);
3455 
3456     print_syscall_prologue(name);
3457     print_at_dirfd(arg0, 0);
3458     print_string(arg1, 0);
3459     print_open_flags(arg2, (is_creat == 0));
3460     if (is_creat)
3461         print_file_mode(arg3, 1);
3462     print_syscall_epilogue(name);
3463 }
3464 #endif
3465 
3466 #ifdef TARGET_NR_pidfd_send_signal
3467 static void
3468 print_pidfd_send_signal(CPUArchState *cpu_env, const struct syscallname *name,
3469                 abi_long arg0, abi_long arg1, abi_long arg2,
3470                 abi_long arg3, abi_long arg4, abi_long arg5)
3471 {
3472     void *p;
3473     target_siginfo_t uinfo;
3474 
3475     print_syscall_prologue(name);
3476     print_raw_param("%d", arg0, 0);
3477     print_signal(arg1, 0);
3478 
3479     p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1);
3480     if (p) {
3481         get_target_siginfo(&uinfo, p);
3482         print_siginfo(&uinfo);
3483 
3484         unlock_user(p, arg2, 0);
3485     } else {
3486         print_pointer(arg2, 0);
3487     }
3488 
3489     print_raw_param("%u", arg3, 1);
3490     print_syscall_epilogue(name);
3491 }
3492 #endif
3493 
3494 #ifdef TARGET_NR_mq_unlink
3495 static void
3496 print_mq_unlink(CPUArchState *cpu_env, const struct syscallname *name,
3497                 abi_long arg0, abi_long arg1, abi_long arg2,
3498                 abi_long arg3, abi_long arg4, abi_long arg5)
3499 {
3500     print_syscall_prologue(name);
3501     print_string(arg0, 1);
3502     print_syscall_epilogue(name);
3503 }
3504 #endif
3505 
3506 #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
3507 static void
3508 print_fstatat64(CPUArchState *cpu_env, const struct syscallname *name,
3509                 abi_long arg0, abi_long arg1, abi_long arg2,
3510                 abi_long arg3, abi_long arg4, abi_long arg5)
3511 {
3512     print_syscall_prologue(name);
3513     print_at_dirfd(arg0, 0);
3514     print_string(arg1, 0);
3515     print_pointer(arg2, 0);
3516     print_flags(at_file_flags, arg3, 1);
3517     print_syscall_epilogue(name);
3518 }
3519 #define print_newfstatat    print_fstatat64
3520 #endif
3521 
3522 #ifdef TARGET_NR_readlink
3523 static void
3524 print_readlink(CPUArchState *cpu_env, const struct syscallname *name,
3525                abi_long arg0, abi_long arg1, abi_long arg2,
3526                abi_long arg3, abi_long arg4, abi_long arg5)
3527 {
3528     print_syscall_prologue(name);
3529     print_string(arg0, 0);
3530     print_pointer(arg1, 0);
3531     print_raw_param("%u", arg2, 1);
3532     print_syscall_epilogue(name);
3533 }
3534 #endif
3535 
3536 #ifdef TARGET_NR_readlinkat
3537 static void
3538 print_readlinkat(CPUArchState *cpu_env, const struct syscallname *name,
3539                  abi_long arg0, abi_long arg1, abi_long arg2,
3540                  abi_long arg3, abi_long arg4, abi_long arg5)
3541 {
3542     print_syscall_prologue(name);
3543     print_at_dirfd(arg0, 0);
3544     print_string(arg1, 0);
3545     print_pointer(arg2, 0);
3546     print_raw_param("%u", arg3, 1);
3547     print_syscall_epilogue(name);
3548 }
3549 #endif
3550 
3551 #ifdef TARGET_NR_rename
3552 static void
3553 print_rename(CPUArchState *cpu_env, const struct syscallname *name,
3554              abi_long arg0, abi_long arg1, abi_long arg2,
3555              abi_long arg3, abi_long arg4, abi_long arg5)
3556 {
3557     print_syscall_prologue(name);
3558     print_string(arg0, 0);
3559     print_string(arg1, 1);
3560     print_syscall_epilogue(name);
3561 }
3562 #endif
3563 
3564 #ifdef TARGET_NR_renameat
3565 static void
3566 print_renameat(CPUArchState *cpu_env, const struct syscallname *name,
3567                abi_long arg0, abi_long arg1, abi_long arg2,
3568                abi_long arg3, abi_long arg4, abi_long arg5)
3569 {
3570     print_syscall_prologue(name);
3571     print_at_dirfd(arg0, 0);
3572     print_string(arg1, 0);
3573     print_at_dirfd(arg2, 0);
3574     print_string(arg3, 1);
3575     print_syscall_epilogue(name);
3576 }
3577 #endif
3578 
3579 #ifdef TARGET_NR_statfs
3580 static void
3581 print_statfs(CPUArchState *cpu_env, const struct syscallname *name,
3582              abi_long arg0, abi_long arg1, abi_long arg2,
3583              abi_long arg3, abi_long arg4, abi_long arg5)
3584 {
3585     print_syscall_prologue(name);
3586     print_string(arg0, 0);
3587     print_pointer(arg1, 1);
3588     print_syscall_epilogue(name);
3589 }
3590 #endif
3591 
3592 #ifdef TARGET_NR_statfs64
3593 static void
3594 print_statfs64(CPUArchState *cpu_env, const struct syscallname *name,
3595                abi_long arg0, abi_long arg1, abi_long arg2,
3596                abi_long arg3, abi_long arg4, abi_long arg5)
3597 {
3598     print_syscall_prologue(name);
3599     print_string(arg0, 0);
3600     print_pointer(arg1, 1);
3601     print_syscall_epilogue(name);
3602 }
3603 #endif
3604 
3605 #ifdef TARGET_NR_symlink
3606 static void
3607 print_symlink(CPUArchState *cpu_env, const struct syscallname *name,
3608               abi_long arg0, abi_long arg1, abi_long arg2,
3609               abi_long arg3, abi_long arg4, abi_long arg5)
3610 {
3611     print_syscall_prologue(name);
3612     print_string(arg0, 0);
3613     print_string(arg1, 1);
3614     print_syscall_epilogue(name);
3615 }
3616 #endif
3617 
3618 #ifdef TARGET_NR_symlinkat
3619 static void
3620 print_symlinkat(CPUArchState *cpu_env, const struct syscallname *name,
3621                 abi_long arg0, abi_long arg1, abi_long arg2,
3622                 abi_long arg3, abi_long arg4, abi_long arg5)
3623 {
3624     print_syscall_prologue(name);
3625     print_string(arg0, 0);
3626     print_at_dirfd(arg1, 0);
3627     print_string(arg2, 1);
3628     print_syscall_epilogue(name);
3629 }
3630 #endif
3631 
3632 #ifdef TARGET_NR_mount
3633 static void
3634 print_mount(CPUArchState *cpu_env, const struct syscallname *name,
3635             abi_long arg0, abi_long arg1, abi_long arg2,
3636             abi_long arg3, abi_long arg4, abi_long arg5)
3637 {
3638     print_syscall_prologue(name);
3639     print_string(arg0, 0);
3640     print_string(arg1, 0);
3641     print_string(arg2, 0);
3642     print_flags(mount_flags, arg3, 0);
3643     print_pointer(arg4, 1);
3644     print_syscall_epilogue(name);
3645 }
3646 #endif
3647 
3648 #ifdef TARGET_NR_umount
3649 static void
3650 print_umount(CPUArchState *cpu_env, const struct syscallname *name,
3651              abi_long arg0, abi_long arg1, abi_long arg2,
3652              abi_long arg3, abi_long arg4, abi_long arg5)
3653 {
3654     print_syscall_prologue(name);
3655     print_string(arg0, 1);
3656     print_syscall_epilogue(name);
3657 }
3658 #endif
3659 
3660 #ifdef TARGET_NR_umount2
3661 static void
3662 print_umount2(CPUArchState *cpu_env, const struct syscallname *name,
3663               abi_long arg0, abi_long arg1, abi_long arg2,
3664               abi_long arg3, abi_long arg4, abi_long arg5)
3665 {
3666     print_syscall_prologue(name);
3667     print_string(arg0, 0);
3668     print_flags(umount2_flags, arg1, 1);
3669     print_syscall_epilogue(name);
3670 }
3671 #endif
3672 
3673 #ifdef TARGET_NR_unlink
3674 static void
3675 print_unlink(CPUArchState *cpu_env, const struct syscallname *name,
3676              abi_long arg0, abi_long arg1, abi_long arg2,
3677              abi_long arg3, abi_long arg4, abi_long arg5)
3678 {
3679     print_syscall_prologue(name);
3680     print_string(arg0, 1);
3681     print_syscall_epilogue(name);
3682 }
3683 #endif
3684 
3685 #ifdef TARGET_NR_unlinkat
3686 static void
3687 print_unlinkat(CPUArchState *cpu_env, const struct syscallname *name,
3688                abi_long arg0, abi_long arg1, abi_long arg2,
3689                abi_long arg3, abi_long arg4, abi_long arg5)
3690 {
3691     print_syscall_prologue(name);
3692     print_at_dirfd(arg0, 0);
3693     print_string(arg1, 0);
3694     print_flags(unlinkat_flags, arg2, 1);
3695     print_syscall_epilogue(name);
3696 }
3697 #endif
3698 
3699 #ifdef TARGET_NR_unshare
3700 static void
3701 print_unshare(CPUArchState *cpu_env, const struct syscallname *name,
3702               abi_long arg0, abi_long arg1, abi_long arg2,
3703               abi_long arg3, abi_long arg4, abi_long arg5)
3704 {
3705     print_syscall_prologue(name);
3706     print_flags(clone_flags, arg0, 1);
3707     print_syscall_epilogue(name);
3708 }
3709 #endif
3710 
3711 #ifdef TARGET_NR_clock_nanosleep
3712 static void
3713 print_clock_nanosleep(CPUArchState *cpu_env, const struct syscallname *name,
3714                 abi_long arg0, abi_long arg1, abi_long arg2,
3715                 abi_long arg3, abi_long arg4, abi_long arg5)
3716 {
3717     print_syscall_prologue(name);
3718     print_enums(clockids, arg0, 0);
3719     print_raw_param("%d", arg1, 0);
3720     print_timespec(arg2, 0);
3721     print_timespec(arg3, 1);
3722     print_syscall_epilogue(name);
3723 }
3724 #endif
3725 
3726 #ifdef TARGET_NR_utime
3727 static void
3728 print_utime(CPUArchState *cpu_env, const struct syscallname *name,
3729             abi_long arg0, abi_long arg1, abi_long arg2,
3730             abi_long arg3, abi_long arg4, abi_long arg5)
3731 {
3732     print_syscall_prologue(name);
3733     print_string(arg0, 0);
3734     print_pointer(arg1, 1);
3735     print_syscall_epilogue(name);
3736 }
3737 #endif
3738 
3739 #ifdef TARGET_NR_utimes
3740 static void
3741 print_utimes(CPUArchState *cpu_env, const struct syscallname *name,
3742              abi_long arg0, abi_long arg1, abi_long arg2,
3743              abi_long arg3, abi_long arg4, abi_long arg5)
3744 {
3745     print_syscall_prologue(name);
3746     print_string(arg0, 0);
3747     print_pointer(arg1, 1);
3748     print_syscall_epilogue(name);
3749 }
3750 #endif
3751 
3752 #ifdef TARGET_NR_utimensat
3753 static void
3754 print_utimensat(CPUArchState *cpu_env, const struct syscallname *name,
3755                 abi_long arg0, abi_long arg1, abi_long arg2,
3756                 abi_long arg3, abi_long arg4, abi_long arg5)
3757 {
3758     print_syscall_prologue(name);
3759     print_at_dirfd(arg0, 0);
3760     print_string(arg1, 0);
3761     print_pointer(arg2, 0);
3762     print_flags(at_file_flags, arg3, 1);
3763     print_syscall_epilogue(name);
3764 }
3765 #endif
3766 
3767 #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2)
3768 static void
3769 print_mmap_both(CPUArchState *cpu_env, const struct syscallname *name,
3770            abi_long arg0, abi_long arg1, abi_long arg2,
3771            abi_long arg3, abi_long arg4, abi_long arg5,
3772            bool is_old_mmap)
3773 {
3774     if (is_old_mmap) {
3775             abi_ulong *v;
3776             abi_ulong argp = arg0;
3777             if (!(v = lock_user(VERIFY_READ, argp, 6 * sizeof(abi_ulong), 1)))
3778                 return;
3779             arg0 = tswapal(v[0]);
3780             arg1 = tswapal(v[1]);
3781             arg2 = tswapal(v[2]);
3782             arg3 = tswapal(v[3]);
3783             arg4 = tswapal(v[4]);
3784             arg5 = tswapal(v[5]);
3785             unlock_user(v, argp, 0);
3786         }
3787     print_syscall_prologue(name);
3788     print_pointer(arg0, 0);
3789     print_raw_param("%d", arg1, 0);
3790     print_flags(mmap_prot_flags, arg2, 0);
3791     print_flags(mmap_flags, arg3, 0);
3792     print_raw_param("%d", arg4, 0);
3793     print_raw_param("%#x", arg5, 1);
3794     print_syscall_epilogue(name);
3795 }
3796 #endif
3797 
3798 #if defined(TARGET_NR_mmap)
3799 static void
3800 print_mmap(CPUArchState *cpu_env, const struct syscallname *name,
3801            abi_long arg0, abi_long arg1, abi_long arg2,
3802            abi_long arg3, abi_long arg4, abi_long arg5)
3803 {
3804     return print_mmap_both(cpu_env, name, arg0, arg1, arg2, arg3,
3805                            arg4, arg5,
3806 #if defined(TARGET_NR_mmap2)
3807                             true
3808 #else
3809                             false
3810 #endif
3811                             );
3812 }
3813 #endif
3814 
3815 #if defined(TARGET_NR_mmap2)
3816 static void
3817 print_mmap2(CPUArchState *cpu_env, const struct syscallname *name,
3818            abi_long arg0, abi_long arg1, abi_long arg2,
3819            abi_long arg3, abi_long arg4, abi_long arg5)
3820 {
3821     return print_mmap_both(cpu_env, name, arg0, arg1, arg2, arg3,
3822                            arg4, arg5, false);
3823 }
3824 #endif
3825 
3826 #ifdef TARGET_NR_mprotect
3827 static void
3828 print_mprotect(CPUArchState *cpu_env, const struct syscallname *name,
3829                abi_long arg0, abi_long arg1, abi_long arg2,
3830                abi_long arg3, abi_long arg4, abi_long arg5)
3831 {
3832     print_syscall_prologue(name);
3833     print_pointer(arg0, 0);
3834     print_raw_param("%d", arg1, 0);
3835     print_flags(mmap_prot_flags, arg2, 1);
3836     print_syscall_epilogue(name);
3837 }
3838 #endif
3839 
3840 #ifdef TARGET_NR_munmap
3841 static void
3842 print_munmap(CPUArchState *cpu_env, const struct syscallname *name,
3843              abi_long arg0, abi_long arg1, abi_long arg2,
3844              abi_long arg3, abi_long arg4, abi_long arg5)
3845 {
3846     print_syscall_prologue(name);
3847     print_pointer(arg0, 0);
3848     print_raw_param("%d", arg1, 1);
3849     print_syscall_epilogue(name);
3850 }
3851 #endif
3852 
3853 #ifdef TARGET_NR_futex
3854 static void print_futex_op(int cmd, int last)
3855 {
3856     static const char * const futex_names[] = {
3857 #define NAME(X)  [X] = #X
3858         NAME(FUTEX_WAIT),
3859         NAME(FUTEX_WAKE),
3860         NAME(FUTEX_FD),
3861         NAME(FUTEX_REQUEUE),
3862         NAME(FUTEX_CMP_REQUEUE),
3863         NAME(FUTEX_WAKE_OP),
3864         NAME(FUTEX_LOCK_PI),
3865         NAME(FUTEX_UNLOCK_PI),
3866         NAME(FUTEX_TRYLOCK_PI),
3867         NAME(FUTEX_WAIT_BITSET),
3868         NAME(FUTEX_WAKE_BITSET),
3869         NAME(FUTEX_WAIT_REQUEUE_PI),
3870         NAME(FUTEX_CMP_REQUEUE_PI),
3871         NAME(FUTEX_LOCK_PI2),
3872 #undef NAME
3873     };
3874 
3875     unsigned base_cmd = cmd & FUTEX_CMD_MASK;
3876 
3877     if (base_cmd < ARRAY_SIZE(futex_names)) {
3878         qemu_log("%s%s%s",
3879                  (cmd & FUTEX_PRIVATE_FLAG ? "FUTEX_PRIVATE_FLAG|" : ""),
3880                  (cmd & FUTEX_CLOCK_REALTIME ? "FUTEX_CLOCK_REALTIME|" : ""),
3881                  futex_names[base_cmd]);
3882     } else {
3883         qemu_log("0x%x", cmd);
3884     }
3885 }
3886 
3887 static void
3888 print_futex(CPUArchState *cpu_env, const struct syscallname *name,
3889             abi_long arg0, abi_long arg1, abi_long arg2,
3890             abi_long arg3, abi_long arg4, abi_long arg5)
3891 {
3892     abi_long op = arg1 & FUTEX_CMD_MASK;
3893     print_syscall_prologue(name);
3894     print_pointer(arg0, 0);
3895     print_futex_op(arg1, 0);
3896     print_raw_param(",%d", arg2, 0);
3897     switch (op) {
3898         case FUTEX_WAIT:
3899         case FUTEX_WAIT_BITSET:
3900         case FUTEX_LOCK_PI:
3901         case FUTEX_LOCK_PI2:
3902         case FUTEX_WAIT_REQUEUE_PI:
3903             print_timespec(arg3, 0);
3904             break;
3905         default:
3906             print_pointer(arg3, 0);
3907             break;
3908     }
3909     print_pointer(arg4, 0);
3910     print_raw_param("%d", arg4, 1);
3911     print_syscall_epilogue(name);
3912 }
3913 #endif
3914 
3915 #ifdef TARGET_NR_prlimit64
3916 static const char *target_ressource_string(abi_ulong r)
3917 {
3918     #define RET_RES_ENTRY(res) case TARGET_##res:  return #res;
3919     switch (r) {
3920     RET_RES_ENTRY(RLIMIT_AS);
3921     RET_RES_ENTRY(RLIMIT_CORE);
3922     RET_RES_ENTRY(RLIMIT_CPU);
3923     RET_RES_ENTRY(RLIMIT_DATA);
3924     RET_RES_ENTRY(RLIMIT_FSIZE);
3925     RET_RES_ENTRY(RLIMIT_LOCKS);
3926     RET_RES_ENTRY(RLIMIT_MEMLOCK);
3927     RET_RES_ENTRY(RLIMIT_MSGQUEUE);
3928     RET_RES_ENTRY(RLIMIT_NICE);
3929     RET_RES_ENTRY(RLIMIT_NOFILE);
3930     RET_RES_ENTRY(RLIMIT_NPROC);
3931     RET_RES_ENTRY(RLIMIT_RSS);
3932     RET_RES_ENTRY(RLIMIT_RTPRIO);
3933 #ifdef RLIMIT_RTTIME
3934     RET_RES_ENTRY(RLIMIT_RTTIME);
3935 #endif
3936     RET_RES_ENTRY(RLIMIT_SIGPENDING);
3937     RET_RES_ENTRY(RLIMIT_STACK);
3938     default:
3939         return NULL;
3940     }
3941     #undef RET_RES_ENTRY
3942 }
3943 
3944 static void
3945 print_rlimit64(abi_ulong rlim_addr, int last)
3946 {
3947     if (rlim_addr) {
3948         struct target_rlimit64 *rl;
3949 
3950         rl = lock_user(VERIFY_READ, rlim_addr, sizeof(*rl), 1);
3951         if (!rl) {
3952             print_pointer(rlim_addr, last);
3953             return;
3954         }
3955         print_raw_param64("{rlim_cur=%" PRId64, tswap64(rl->rlim_cur), 0);
3956         print_raw_param64("rlim_max=%" PRId64 "}", tswap64(rl->rlim_max),
3957                             last);
3958         unlock_user(rl, rlim_addr, 0);
3959     } else {
3960         qemu_log("NULL%s", get_comma(last));
3961     }
3962 }
3963 
3964 static void
3965 print_prlimit64(CPUArchState *cpu_env, const struct syscallname *name,
3966            abi_long arg0, abi_long arg1, abi_long arg2,
3967            abi_long arg3, abi_long arg4, abi_long arg5)
3968 {
3969     const char *rlim_name;
3970 
3971     print_syscall_prologue(name);
3972     print_raw_param("%d", arg0, 0);
3973     rlim_name = target_ressource_string(arg1);
3974     if (rlim_name) {
3975         qemu_log("%s,", rlim_name);
3976     } else {
3977         print_raw_param("%d", arg1, 0);
3978     }
3979     print_rlimit64(arg2, 0);
3980     print_pointer(arg3, 1);
3981     print_syscall_epilogue(name);
3982 }
3983 
3984 static void
3985 print_syscall_ret_prlimit64(CPUArchState *cpu_env,
3986                        const struct syscallname *name,
3987                        abi_long ret, abi_long arg0, abi_long arg1,
3988                        abi_long arg2, abi_long arg3, abi_long arg4,
3989                        abi_long arg5)
3990 {
3991     if (!print_syscall_err(ret)) {
3992         qemu_log(TARGET_ABI_FMT_ld, ret);
3993         if (arg3) {
3994             qemu_log(" (");
3995             print_rlimit64(arg3, 1);
3996             qemu_log(")");
3997         }
3998     }
3999     qemu_log("\n");
4000 }
4001 #endif
4002 
4003 #ifdef TARGET_NR_kill
4004 static void
4005 print_kill(CPUArchState *cpu_env, const struct syscallname *name,
4006            abi_long arg0, abi_long arg1, abi_long arg2,
4007            abi_long arg3, abi_long arg4, abi_long arg5)
4008 {
4009     print_syscall_prologue(name);
4010     print_raw_param("%d", arg0, 0);
4011     print_signal(arg1, 1);
4012     print_syscall_epilogue(name);
4013 }
4014 #endif
4015 
4016 #ifdef TARGET_NR_tkill
4017 static void
4018 print_tkill(CPUArchState *cpu_env, const struct syscallname *name,
4019             abi_long arg0, abi_long arg1, abi_long arg2,
4020             abi_long arg3, abi_long arg4, abi_long arg5)
4021 {
4022     print_syscall_prologue(name);
4023     print_raw_param("%d", arg0, 0);
4024     print_signal(arg1, 1);
4025     print_syscall_epilogue(name);
4026 }
4027 #endif
4028 
4029 #ifdef TARGET_NR_tgkill
4030 static void
4031 print_tgkill(CPUArchState *cpu_env, const struct syscallname *name,
4032              abi_long arg0, abi_long arg1, abi_long arg2,
4033              abi_long arg3, abi_long arg4, abi_long arg5)
4034 {
4035     print_syscall_prologue(name);
4036     print_raw_param("%d", arg0, 0);
4037     print_raw_param("%d", arg1, 0);
4038     print_signal(arg2, 1);
4039     print_syscall_epilogue(name);
4040 }
4041 #endif
4042 
4043 #if defined(TARGET_NR_pread64) || defined(TARGET_NR_pwrite64)
4044 static void
4045 print_pread64(CPUArchState *cpu_env, const struct syscallname *name,
4046         abi_long arg0, abi_long arg1, abi_long arg2,
4047         abi_long arg3, abi_long arg4, abi_long arg5)
4048 {
4049     if (regpairs_aligned(cpu_env, TARGET_NR_pread64)) {
4050         arg3 = arg4;
4051         arg4 = arg5;
4052     }
4053     print_syscall_prologue(name);
4054     print_raw_param("%d", arg0, 0);
4055     print_pointer(arg1, 0);
4056     print_raw_param("%d", arg2, 0);
4057     print_raw_param("%" PRIu64, target_offset64(arg3, arg4), 1);
4058     print_syscall_epilogue(name);
4059 }
4060 #endif
4061 
4062 #ifdef TARGET_NR_statx
4063 static void
4064 print_statx(CPUArchState *cpu_env, const struct syscallname *name,
4065             abi_long arg0, abi_long arg1, abi_long arg2,
4066             abi_long arg3, abi_long arg4, abi_long arg5)
4067 {
4068     print_syscall_prologue(name);
4069     print_at_dirfd(arg0, 0);
4070     print_string(arg1, 0);
4071     print_flags(statx_flags, arg2, 0);
4072     print_flags(statx_mask, arg3, 0);
4073     print_pointer(arg4, 1);
4074     print_syscall_epilogue(name);
4075 }
4076 #endif
4077 
4078 #ifdef TARGET_NR_ioctl
4079 static void
4080 print_ioctl(CPUArchState *cpu_env, const struct syscallname *name,
4081             abi_long arg0, abi_long arg1, abi_long arg2,
4082             abi_long arg3, abi_long arg4, abi_long arg5)
4083 {
4084     print_syscall_prologue(name);
4085     print_raw_param("%d", arg0, 0);
4086 
4087     const IOCTLEntry *ie;
4088     const argtype *arg_type;
4089     void *argptr;
4090     int target_size;
4091 
4092     for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
4093         if (ie->target_cmd == arg1) {
4094             break;
4095         }
4096     }
4097 
4098     if (ie->target_cmd == 0) {
4099         print_raw_param("%#x", arg1, 0);
4100         print_raw_param("%#x", arg2, 1);
4101     } else {
4102         qemu_log("%s", ie->name);
4103         arg_type = ie->arg_type;
4104 
4105         if (arg_type[0] != TYPE_NULL) {
4106             qemu_log(",");
4107 
4108             switch (arg_type[0]) {
4109             case TYPE_PTRVOID:
4110                 print_pointer(arg2, 1);
4111                 break;
4112             case TYPE_CHAR:
4113             case TYPE_SHORT:
4114             case TYPE_INT:
4115                 print_raw_param("%d", arg2, 1);
4116                 break;
4117             case TYPE_LONG:
4118                 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
4119                 break;
4120             case TYPE_ULONG:
4121                 print_raw_param(TARGET_ABI_FMT_lu, arg2, 1);
4122                 break;
4123             case TYPE_PTR:
4124                 switch (ie->access) {
4125                 case IOC_R:
4126                     print_pointer(arg2, 1);
4127                     break;
4128                 case IOC_W:
4129                 case IOC_RW:
4130                     arg_type++;
4131                     target_size = thunk_type_size(arg_type, 0);
4132                     argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
4133                     if (argptr) {
4134                         thunk_print(argptr, arg_type);
4135                         unlock_user(argptr, arg2, target_size);
4136                     } else {
4137                         print_pointer(arg2, 1);
4138                     }
4139                     break;
4140                 }
4141                 break;
4142             default:
4143                 g_assert_not_reached();
4144             }
4145         }
4146     }
4147     print_syscall_epilogue(name);
4148 }
4149 #endif
4150 
4151 /*
4152  * An array of all of the syscalls we know about
4153  */
4154 
4155 static const struct syscallname scnames[] = {
4156 #include "strace.list"
4157 };
4158 
4159 static int nsyscalls = ARRAY_SIZE(scnames);
4160 
4161 /*
4162  * The public interface to this module.
4163  */
4164 void
4165 print_syscall(CPUArchState *cpu_env, int num,
4166               abi_long arg1, abi_long arg2, abi_long arg3,
4167               abi_long arg4, abi_long arg5, abi_long arg6)
4168 {
4169     int i;
4170     FILE *f;
4171     const char *format = "%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ","
4172                                TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ","
4173                                TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")";
4174 
4175     f = qemu_log_trylock();
4176     if (!f) {
4177         return;
4178     }
4179     fprintf(f, "%d ", getpid());
4180 
4181     for (i = 0; i < nsyscalls; i++) {
4182         if (scnames[i].nr == num) {
4183             if (scnames[i].call != NULL) {
4184                 scnames[i].call(cpu_env, &scnames[i], arg1, arg2, arg3,
4185                                 arg4, arg5, arg6);
4186             } else {
4187                 /* XXX: this format system is broken because it uses
4188                    host types and host pointers for strings */
4189                 if (scnames[i].format != NULL) {
4190                     format = scnames[i].format;
4191                 }
4192                 fprintf(f, format, scnames[i].name, arg1, arg2,
4193                         arg3, arg4, arg5, arg6);
4194             }
4195             qemu_log_unlock(f);
4196             return;
4197         }
4198     }
4199     fprintf(f, "Unknown syscall %d\n", num);
4200     qemu_log_unlock(f);
4201 }
4202 
4203 
4204 void
4205 print_syscall_ret(CPUArchState *cpu_env, int num, abi_long ret,
4206                   abi_long arg1, abi_long arg2, abi_long arg3,
4207                   abi_long arg4, abi_long arg5, abi_long arg6)
4208 {
4209     int i;
4210     FILE *f;
4211 
4212     f = qemu_log_trylock();
4213     if (!f) {
4214         return;
4215     }
4216 
4217     for (i = 0; i < nsyscalls; i++) {
4218         if (scnames[i].nr == num) {
4219             if (scnames[i].result != NULL) {
4220                 scnames[i].result(cpu_env, &scnames[i], ret,
4221                                   arg1, arg2, arg3,
4222                                   arg4, arg5, arg6);
4223             } else {
4224                 if (!print_syscall_err(ret)) {
4225                     fprintf(f, TARGET_ABI_FMT_ld, ret);
4226                 }
4227                 fprintf(f, "\n");
4228             }
4229             break;
4230         }
4231     }
4232     qemu_log_unlock(f);
4233 }
4234 
4235 void print_taken_signal(int target_signum, const target_siginfo_t *tinfo)
4236 {
4237     /* Print the strace output for a signal being taken:
4238      * --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=0} ---
4239      */
4240     FILE *f;
4241 
4242     f = qemu_log_trylock();
4243     if (!f) {
4244         return;
4245     }
4246 
4247     fprintf(f, "--- ");
4248     print_signal(target_signum, 1);
4249     fprintf(f, " ");
4250     print_siginfo(tinfo);
4251     fprintf(f, " ---\n");
4252     qemu_log_unlock(f);
4253 }
4254