xref: /openbmc/qemu/linux-user/strace.c (revision db1015e9)
1 #include "qemu/osdep.h"
2 #include <sys/ipc.h>
3 #include <sys/msg.h>
4 #include <sys/sem.h>
5 #include <sys/shm.h>
6 #include <sys/select.h>
7 #include <sys/mount.h>
8 #include <arpa/inet.h>
9 #include <netinet/tcp.h>
10 #include <linux/if_packet.h>
11 #include <linux/netlink.h>
12 #include <sched.h>
13 #include "qemu.h"
14 
15 struct syscallname {
16     int nr;
17     const char *name;
18     const char *format;
19     void (*call)(void *, const struct syscallname *,
20                  abi_long, abi_long, abi_long,
21                  abi_long, abi_long, abi_long);
22     void (*result)(void *, const struct syscallname *, abi_long,
23                    abi_long, abi_long, abi_long,
24                    abi_long, abi_long, abi_long);
25 };
26 
27 #ifdef __GNUC__
28 /*
29  * It is possible that target doesn't have syscall that uses
30  * following flags but we don't want the compiler to warn
31  * us about them being unused.  Same applies to utility print
32  * functions.  It is ok to keep them while not used.
33  */
34 #define UNUSED __attribute__ ((unused))
35 #else
36 #define UNUSED
37 #endif
38 
39 /*
40  * Structure used to translate flag values into strings.  This is
41  * similar that is in the actual strace tool.
42  */
43 struct flags {
44     abi_long    f_value;  /* flag */
45     const char  *f_string; /* stringified flag */
46 };
47 
48 /* common flags for all architectures */
49 #define FLAG_GENERIC(name) { name, #name }
50 /* target specific flags (syscall_defs.h has TARGET_<flag>) */
51 #define FLAG_TARGET(name)  { TARGET_ ## name, #name }
52 /* end of flags array */
53 #define FLAG_END           { 0, NULL }
54 
55 /* Structure used to translate enumerated values into strings */
56 struct enums {
57     abi_long    e_value;   /* enum value */
58     const char  *e_string; /* stringified enum */
59 };
60 
61 /* common enums for all architectures */
62 #define ENUM_GENERIC(name) { name, #name }
63 /* target specific enums */
64 #define ENUM_TARGET(name)  { TARGET_ ## name, #name }
65 /* end of enums array */
66 #define ENUM_END           { 0, NULL }
67 
68 UNUSED static const char *get_comma(int);
69 UNUSED static void print_pointer(abi_long, int);
70 UNUSED static void print_flags(const struct flags *, abi_long, int);
71 UNUSED static void print_enums(const struct enums *, abi_long, int);
72 UNUSED static void print_at_dirfd(abi_long, int);
73 UNUSED static void print_file_mode(abi_long, int);
74 UNUSED static void print_open_flags(abi_long, int);
75 UNUSED static void print_syscall_prologue(const struct syscallname *);
76 UNUSED static void print_syscall_epilogue(const struct syscallname *);
77 UNUSED static void print_string(abi_long, int);
78 UNUSED static void print_buf(abi_long addr, abi_long len, int last);
79 UNUSED static void print_raw_param(const char *, abi_long, int);
80 UNUSED static void print_timeval(abi_ulong, int);
81 UNUSED static void print_timespec(abi_ulong, int);
82 UNUSED static void print_timezone(abi_ulong, int);
83 UNUSED static void print_itimerval(abi_ulong, int);
84 UNUSED static void print_number(abi_long, int);
85 UNUSED static void print_signal(abi_ulong, int);
86 UNUSED static void print_sockaddr(abi_ulong, abi_long, int);
87 UNUSED static void print_socket_domain(int domain);
88 UNUSED static void print_socket_type(int type);
89 UNUSED static void print_socket_protocol(int domain, int type, int protocol);
90 
91 /*
92  * Utility functions
93  */
94 static void
95 print_ipc_cmd(int cmd)
96 {
97 #define output_cmd(val) \
98 if( cmd == val ) { \
99     qemu_log(#val); \
100     return; \
101 }
102 
103     cmd &= 0xff;
104 
105     /* General IPC commands */
106     output_cmd( IPC_RMID );
107     output_cmd( IPC_SET );
108     output_cmd( IPC_STAT );
109     output_cmd( IPC_INFO );
110     /* msgctl() commands */
111     output_cmd( MSG_STAT );
112     output_cmd( MSG_INFO );
113     /* shmctl() commands */
114     output_cmd( SHM_LOCK );
115     output_cmd( SHM_UNLOCK );
116     output_cmd( SHM_STAT );
117     output_cmd( SHM_INFO );
118     /* semctl() commands */
119     output_cmd( GETPID );
120     output_cmd( GETVAL );
121     output_cmd( GETALL );
122     output_cmd( GETNCNT );
123     output_cmd( GETZCNT );
124     output_cmd( SETVAL );
125     output_cmd( SETALL );
126     output_cmd( SEM_STAT );
127     output_cmd( SEM_INFO );
128     output_cmd( IPC_RMID );
129     output_cmd( IPC_RMID );
130     output_cmd( IPC_RMID );
131     output_cmd( IPC_RMID );
132     output_cmd( IPC_RMID );
133     output_cmd( IPC_RMID );
134     output_cmd( IPC_RMID );
135     output_cmd( IPC_RMID );
136     output_cmd( IPC_RMID );
137 
138     /* Some value we don't recognize */
139     qemu_log("%d", cmd);
140 }
141 
142 static void
143 print_signal(abi_ulong arg, int last)
144 {
145     const char *signal_name = NULL;
146     switch(arg) {
147     case TARGET_SIGHUP: signal_name = "SIGHUP"; break;
148     case TARGET_SIGINT: signal_name = "SIGINT"; break;
149     case TARGET_SIGQUIT: signal_name = "SIGQUIT"; break;
150     case TARGET_SIGILL: signal_name = "SIGILL"; break;
151     case TARGET_SIGABRT: signal_name = "SIGABRT"; break;
152     case TARGET_SIGFPE: signal_name = "SIGFPE"; break;
153     case TARGET_SIGKILL: signal_name = "SIGKILL"; break;
154     case TARGET_SIGSEGV: signal_name = "SIGSEGV"; break;
155     case TARGET_SIGPIPE: signal_name = "SIGPIPE"; break;
156     case TARGET_SIGALRM: signal_name = "SIGALRM"; break;
157     case TARGET_SIGTERM: signal_name = "SIGTERM"; break;
158     case TARGET_SIGUSR1: signal_name = "SIGUSR1"; break;
159     case TARGET_SIGUSR2: signal_name = "SIGUSR2"; break;
160     case TARGET_SIGCHLD: signal_name = "SIGCHLD"; break;
161     case TARGET_SIGCONT: signal_name = "SIGCONT"; break;
162     case TARGET_SIGSTOP: signal_name = "SIGSTOP"; break;
163     case TARGET_SIGTTIN: signal_name = "SIGTTIN"; break;
164     case TARGET_SIGTTOU: signal_name = "SIGTTOU"; break;
165     }
166     if (signal_name == NULL) {
167         print_raw_param("%ld", arg, last);
168         return;
169     }
170     qemu_log("%s%s", signal_name, get_comma(last));
171 }
172 
173 static void print_si_code(int arg)
174 {
175     const char *codename = NULL;
176 
177     switch (arg) {
178     case SI_USER:
179         codename = "SI_USER";
180         break;
181     case SI_KERNEL:
182         codename = "SI_KERNEL";
183         break;
184     case SI_QUEUE:
185         codename = "SI_QUEUE";
186         break;
187     case SI_TIMER:
188         codename = "SI_TIMER";
189         break;
190     case SI_MESGQ:
191         codename = "SI_MESGQ";
192         break;
193     case SI_ASYNCIO:
194         codename = "SI_ASYNCIO";
195         break;
196     case SI_SIGIO:
197         codename = "SI_SIGIO";
198         break;
199     case SI_TKILL:
200         codename = "SI_TKILL";
201         break;
202     default:
203         qemu_log("%d", arg);
204         return;
205     }
206     qemu_log("%s", codename);
207 }
208 
209 static void get_target_siginfo(target_siginfo_t *tinfo,
210                                 const target_siginfo_t *info)
211 {
212     abi_ulong sival_ptr;
213 
214     int sig;
215     int si_errno;
216     int si_code;
217     int si_type;
218 
219     __get_user(sig, &info->si_signo);
220     __get_user(si_errno, &tinfo->si_errno);
221     __get_user(si_code, &info->si_code);
222 
223     tinfo->si_signo = sig;
224     tinfo->si_errno = si_errno;
225     tinfo->si_code = si_code;
226 
227     /* Ensure we don't leak random junk to the guest later */
228     memset(tinfo->_sifields._pad, 0, sizeof(tinfo->_sifields._pad));
229 
230     /* This is awkward, because we have to use a combination of
231      * the si_code and si_signo to figure out which of the union's
232      * members are valid. (Within the host kernel it is always possible
233      * to tell, but the kernel carefully avoids giving userspace the
234      * high 16 bits of si_code, so we don't have the information to
235      * do this the easy way...) We therefore make our best guess,
236      * bearing in mind that a guest can spoof most of the si_codes
237      * via rt_sigqueueinfo() if it likes.
238      *
239      * Once we have made our guess, we record it in the top 16 bits of
240      * the si_code, so that print_siginfo() later can use it.
241      * print_siginfo() will strip these top bits out before printing
242      * the si_code.
243      */
244 
245     switch (si_code) {
246     case SI_USER:
247     case SI_TKILL:
248     case SI_KERNEL:
249         /* Sent via kill(), tkill() or tgkill(), or direct from the kernel.
250          * These are the only unspoofable si_code values.
251          */
252         __get_user(tinfo->_sifields._kill._pid, &info->_sifields._kill._pid);
253         __get_user(tinfo->_sifields._kill._uid, &info->_sifields._kill._uid);
254         si_type = QEMU_SI_KILL;
255         break;
256     default:
257         /* Everything else is spoofable. Make best guess based on signal */
258         switch (sig) {
259         case TARGET_SIGCHLD:
260             __get_user(tinfo->_sifields._sigchld._pid,
261                        &info->_sifields._sigchld._pid);
262             __get_user(tinfo->_sifields._sigchld._uid,
263                        &info->_sifields._sigchld._uid);
264             __get_user(tinfo->_sifields._sigchld._status,
265                        &info->_sifields._sigchld._status);
266             __get_user(tinfo->_sifields._sigchld._utime,
267                        &info->_sifields._sigchld._utime);
268             __get_user(tinfo->_sifields._sigchld._stime,
269                        &info->_sifields._sigchld._stime);
270             si_type = QEMU_SI_CHLD;
271             break;
272         case TARGET_SIGIO:
273             __get_user(tinfo->_sifields._sigpoll._band,
274                        &info->_sifields._sigpoll._band);
275             __get_user(tinfo->_sifields._sigpoll._fd,
276                        &info->_sifields._sigpoll._fd);
277             si_type = QEMU_SI_POLL;
278             break;
279         default:
280             /* Assume a sigqueue()/mq_notify()/rt_sigqueueinfo() source. */
281             __get_user(tinfo->_sifields._rt._pid, &info->_sifields._rt._pid);
282             __get_user(tinfo->_sifields._rt._uid, &info->_sifields._rt._uid);
283             /* XXX: potential problem if 64 bit */
284             __get_user(sival_ptr, &info->_sifields._rt._sigval.sival_ptr);
285             tinfo->_sifields._rt._sigval.sival_ptr = sival_ptr;
286 
287             si_type = QEMU_SI_RT;
288             break;
289         }
290         break;
291     }
292 
293     tinfo->si_code = deposit32(si_code, 16, 16, si_type);
294 }
295 
296 static void print_siginfo(const target_siginfo_t *tinfo)
297 {
298     /* Print a target_siginfo_t in the format desired for printing
299      * signals being taken. We assume the target_siginfo_t is in the
300      * internal form where the top 16 bits of si_code indicate which
301      * part of the union is valid, rather than in the guest-visible
302      * form where the bottom 16 bits are sign-extended into the top 16.
303      */
304     int si_type = extract32(tinfo->si_code, 16, 16);
305     int si_code = sextract32(tinfo->si_code, 0, 16);
306 
307     qemu_log("{si_signo=");
308     print_signal(tinfo->si_signo, 1);
309     qemu_log(", si_code=");
310     print_si_code(si_code);
311 
312     switch (si_type) {
313     case QEMU_SI_KILL:
314         qemu_log(", si_pid=%u, si_uid=%u",
315                  (unsigned int)tinfo->_sifields._kill._pid,
316                  (unsigned int)tinfo->_sifields._kill._uid);
317         break;
318     case QEMU_SI_TIMER:
319         qemu_log(", si_timer1=%u, si_timer2=%u",
320                  tinfo->_sifields._timer._timer1,
321                  tinfo->_sifields._timer._timer2);
322         break;
323     case QEMU_SI_POLL:
324         qemu_log(", si_band=%d, si_fd=%d",
325                  tinfo->_sifields._sigpoll._band,
326                  tinfo->_sifields._sigpoll._fd);
327         break;
328     case QEMU_SI_FAULT:
329         qemu_log(", si_addr=");
330         print_pointer(tinfo->_sifields._sigfault._addr, 1);
331         break;
332     case QEMU_SI_CHLD:
333         qemu_log(", si_pid=%u, si_uid=%u, si_status=%d"
334                  ", si_utime=" TARGET_ABI_FMT_ld
335                  ", si_stime=" TARGET_ABI_FMT_ld,
336                  (unsigned int)(tinfo->_sifields._sigchld._pid),
337                  (unsigned int)(tinfo->_sifields._sigchld._uid),
338                  tinfo->_sifields._sigchld._status,
339                  tinfo->_sifields._sigchld._utime,
340                  tinfo->_sifields._sigchld._stime);
341         break;
342     case QEMU_SI_RT:
343         qemu_log(", si_pid=%u, si_uid=%u, si_sigval=" TARGET_ABI_FMT_ld,
344                  (unsigned int)tinfo->_sifields._rt._pid,
345                  (unsigned int)tinfo->_sifields._rt._uid,
346                  tinfo->_sifields._rt._sigval.sival_ptr);
347         break;
348     default:
349         g_assert_not_reached();
350     }
351     qemu_log("}");
352 }
353 
354 static void
355 print_sockaddr(abi_ulong addr, abi_long addrlen, int last)
356 {
357     struct target_sockaddr *sa;
358     int i;
359     int sa_family;
360 
361     sa = lock_user(VERIFY_READ, addr, addrlen, 1);
362     if (sa) {
363         sa_family = tswap16(sa->sa_family);
364         switch (sa_family) {
365         case AF_UNIX: {
366             struct target_sockaddr_un *un = (struct target_sockaddr_un *)sa;
367             int i;
368             qemu_log("{sun_family=AF_UNIX,sun_path=\"");
369             for (i = 0; i < addrlen -
370                             offsetof(struct target_sockaddr_un, sun_path) &&
371                  un->sun_path[i]; i++) {
372                 qemu_log("%c", un->sun_path[i]);
373             }
374             qemu_log("\"}");
375             break;
376         }
377         case AF_INET: {
378             struct target_sockaddr_in *in = (struct target_sockaddr_in *)sa;
379             uint8_t *c = (uint8_t *)&in->sin_addr.s_addr;
380             qemu_log("{sin_family=AF_INET,sin_port=htons(%d),",
381                      ntohs(in->sin_port));
382             qemu_log("sin_addr=inet_addr(\"%d.%d.%d.%d\")",
383                      c[0], c[1], c[2], c[3]);
384             qemu_log("}");
385             break;
386         }
387         case AF_PACKET: {
388             struct target_sockaddr_ll *ll = (struct target_sockaddr_ll *)sa;
389             uint8_t *c = (uint8_t *)&ll->sll_addr;
390             qemu_log("{sll_family=AF_PACKET,"
391                      "sll_protocol=htons(0x%04x),if%d,pkttype=",
392                      ntohs(ll->sll_protocol), ll->sll_ifindex);
393             switch (ll->sll_pkttype) {
394             case PACKET_HOST:
395                 qemu_log("PACKET_HOST");
396                 break;
397             case PACKET_BROADCAST:
398                 qemu_log("PACKET_BROADCAST");
399                 break;
400             case PACKET_MULTICAST:
401                 qemu_log("PACKET_MULTICAST");
402                 break;
403             case PACKET_OTHERHOST:
404                 qemu_log("PACKET_OTHERHOST");
405                 break;
406             case PACKET_OUTGOING:
407                 qemu_log("PACKET_OUTGOING");
408                 break;
409             default:
410                 qemu_log("%d", ll->sll_pkttype);
411                 break;
412             }
413             qemu_log(",sll_addr=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
414                      c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
415             qemu_log("}");
416             break;
417         }
418         case AF_NETLINK: {
419             struct target_sockaddr_nl *nl = (struct target_sockaddr_nl *)sa;
420             qemu_log("{nl_family=AF_NETLINK,nl_pid=%u,nl_groups=%u}",
421                      tswap32(nl->nl_pid), tswap32(nl->nl_groups));
422             break;
423         }
424         default:
425             qemu_log("{sa_family=%d, sa_data={", sa->sa_family);
426             for (i = 0; i < 13; i++) {
427                 qemu_log("%02x, ", sa->sa_data[i]);
428             }
429             qemu_log("%02x}", sa->sa_data[i]);
430             qemu_log("}");
431             break;
432         }
433         unlock_user(sa, addr, 0);
434     } else {
435         print_raw_param("0x"TARGET_ABI_FMT_lx, addr, 0);
436     }
437     qemu_log(", "TARGET_ABI_FMT_ld"%s", addrlen, get_comma(last));
438 }
439 
440 static void
441 print_socket_domain(int domain)
442 {
443     switch (domain) {
444     case PF_UNIX:
445         qemu_log("PF_UNIX");
446         break;
447     case PF_INET:
448         qemu_log("PF_INET");
449         break;
450     case PF_NETLINK:
451         qemu_log("PF_NETLINK");
452         break;
453     case PF_PACKET:
454         qemu_log("PF_PACKET");
455         break;
456     default:
457         qemu_log("%d", domain);
458         break;
459     }
460 }
461 
462 static void
463 print_socket_type(int type)
464 {
465     switch (type & TARGET_SOCK_TYPE_MASK) {
466     case TARGET_SOCK_DGRAM:
467         qemu_log("SOCK_DGRAM");
468         break;
469     case TARGET_SOCK_STREAM:
470         qemu_log("SOCK_STREAM");
471         break;
472     case TARGET_SOCK_RAW:
473         qemu_log("SOCK_RAW");
474         break;
475     case TARGET_SOCK_RDM:
476         qemu_log("SOCK_RDM");
477         break;
478     case TARGET_SOCK_SEQPACKET:
479         qemu_log("SOCK_SEQPACKET");
480         break;
481     case TARGET_SOCK_PACKET:
482         qemu_log("SOCK_PACKET");
483         break;
484     }
485     if (type & TARGET_SOCK_CLOEXEC) {
486         qemu_log("|SOCK_CLOEXEC");
487     }
488     if (type & TARGET_SOCK_NONBLOCK) {
489         qemu_log("|SOCK_NONBLOCK");
490     }
491 }
492 
493 static void
494 print_socket_protocol(int domain, int type, int protocol)
495 {
496     if (domain == AF_PACKET ||
497         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
498         switch (protocol) {
499         case 0x0003:
500             qemu_log("ETH_P_ALL");
501             break;
502         default:
503             qemu_log("%d", protocol);
504         }
505         return;
506     }
507 
508     if (domain == PF_NETLINK) {
509         switch (protocol) {
510         case NETLINK_ROUTE:
511             qemu_log("NETLINK_ROUTE");
512             break;
513         case NETLINK_AUDIT:
514             qemu_log("NETLINK_AUDIT");
515             break;
516         case NETLINK_NETFILTER:
517             qemu_log("NETLINK_NETFILTER");
518             break;
519         case NETLINK_KOBJECT_UEVENT:
520             qemu_log("NETLINK_KOBJECT_UEVENT");
521             break;
522         case NETLINK_RDMA:
523             qemu_log("NETLINK_RDMA");
524             break;
525         case NETLINK_CRYPTO:
526             qemu_log("NETLINK_CRYPTO");
527             break;
528         default:
529             qemu_log("%d", protocol);
530             break;
531         }
532         return;
533     }
534 
535     switch (protocol) {
536     case IPPROTO_IP:
537         qemu_log("IPPROTO_IP");
538         break;
539     case IPPROTO_TCP:
540         qemu_log("IPPROTO_TCP");
541         break;
542     case IPPROTO_UDP:
543         qemu_log("IPPROTO_UDP");
544         break;
545     case IPPROTO_RAW:
546         qemu_log("IPPROTO_RAW");
547         break;
548     default:
549         qemu_log("%d", protocol);
550         break;
551     }
552 }
553 
554 
555 #ifdef TARGET_NR__newselect
556 static void
557 print_fdset(int n, abi_ulong target_fds_addr)
558 {
559     int i;
560     int first = 1;
561 
562     qemu_log("[");
563     if( target_fds_addr ) {
564         abi_long *target_fds;
565 
566         target_fds = lock_user(VERIFY_READ,
567                                target_fds_addr,
568                                sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
569                                1);
570 
571         if (!target_fds)
572             return;
573 
574         for (i=n; i>=0; i--) {
575             if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >>
576                 (i & (TARGET_ABI_BITS - 1))) & 1) {
577                 qemu_log("%s%d", get_comma(first), i);
578                 first = 0;
579             }
580         }
581         unlock_user(target_fds, target_fds_addr, 0);
582     }
583     qemu_log("]");
584 }
585 #endif
586 
587 /*
588  * Sysycall specific output functions
589  */
590 
591 /* select */
592 #ifdef TARGET_NR__newselect
593 static void
594 print_newselect(void *cpu_env, const struct syscallname *name,
595                 abi_long arg1, abi_long arg2, abi_long arg3,
596                 abi_long arg4, abi_long arg5, abi_long arg6)
597 {
598     print_syscall_prologue(name);
599     print_fdset(arg1, arg2);
600     qemu_log(",");
601     print_fdset(arg1, arg3);
602     qemu_log(",");
603     print_fdset(arg1, arg4);
604     qemu_log(",");
605     print_timeval(arg5, 1);
606     print_syscall_epilogue(name);
607 }
608 #endif
609 
610 #ifdef TARGET_NR_semctl
611 static void
612 print_semctl(void *cpu_env, const struct syscallname *name,
613              abi_long arg1, abi_long arg2, abi_long arg3,
614              abi_long arg4, abi_long arg5, abi_long arg6)
615 {
616     qemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",",
617              name->name, arg1, arg2);
618     print_ipc_cmd(arg3);
619     qemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
620 }
621 #endif
622 
623 static void
624 print_execve(void *cpu_env, const struct syscallname *name,
625              abi_long arg1, abi_long arg2, abi_long arg3,
626              abi_long arg4, abi_long arg5, abi_long arg6)
627 {
628     abi_ulong arg_ptr_addr;
629     char *s;
630 
631     if (!(s = lock_user_string(arg1)))
632         return;
633     qemu_log("%s(\"%s\",{", name->name, s);
634     unlock_user(s, arg1, 0);
635 
636     for (arg_ptr_addr = arg2; ; arg_ptr_addr += sizeof(abi_ulong)) {
637         abi_ulong *arg_ptr, arg_addr;
638 
639         arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
640         if (!arg_ptr)
641             return;
642     arg_addr = tswapal(*arg_ptr);
643         unlock_user(arg_ptr, arg_ptr_addr, 0);
644         if (!arg_addr)
645             break;
646         if ((s = lock_user_string(arg_addr))) {
647             qemu_log("\"%s\",", s);
648             unlock_user(s, arg_addr, 0);
649         }
650     }
651 
652     qemu_log("NULL})");
653 }
654 
655 #ifdef TARGET_NR_ipc
656 static void
657 print_ipc(void *cpu_env, const struct syscallname *name,
658           abi_long arg1, abi_long arg2, abi_long arg3,
659           abi_long arg4, abi_long arg5, abi_long arg6)
660 {
661     switch(arg1) {
662     case IPCOP_semctl:
663         qemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",",
664                  arg1, arg2);
665         print_ipc_cmd(arg3);
666         qemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
667         break;
668     default:
669         qemu_log(("%s("
670                   TARGET_ABI_FMT_ld ","
671                   TARGET_ABI_FMT_ld ","
672                   TARGET_ABI_FMT_ld ","
673                   TARGET_ABI_FMT_ld
674                   ")"),
675                  name->name, arg1, arg2, arg3, arg4);
676     }
677 }
678 #endif
679 
680 /*
681  * Variants for the return value output function
682  */
683 
684 static bool
685 print_syscall_err(abi_long ret)
686 {
687     const char *errstr;
688 
689     qemu_log(" = ");
690     if (ret < 0) {
691         errstr = target_strerror(-ret);
692         if (errstr) {
693             qemu_log("-1 errno=%d (%s)", (int)-ret, errstr);
694             return true;
695         }
696     }
697     return false;
698 }
699 
700 static void
701 print_syscall_ret_addr(void *cpu_env, const struct syscallname *name,
702                        abi_long ret, abi_long arg0, abi_long arg1,
703                        abi_long arg2, abi_long arg3, abi_long arg4,
704                        abi_long arg5)
705 {
706     if (!print_syscall_err(ret)) {
707         qemu_log("0x" TARGET_ABI_FMT_lx, ret);
708     }
709     qemu_log("\n");
710 }
711 
712 #if 0 /* currently unused */
713 static void
714 print_syscall_ret_raw(struct syscallname *name, abi_long ret)
715 {
716         qemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
717 }
718 #endif
719 
720 #ifdef TARGET_NR__newselect
721 static void
722 print_syscall_ret_newselect(void *cpu_env, const struct syscallname *name,
723                             abi_long ret, abi_long arg0, abi_long arg1,
724                             abi_long arg2, abi_long arg3, abi_long arg4,
725                             abi_long arg5)
726 {
727     if (!print_syscall_err(ret)) {
728         qemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
729         print_fdset(arg0, arg1);
730         qemu_log(",");
731         print_fdset(arg0, arg2);
732         qemu_log(",");
733         print_fdset(arg0, arg3);
734         qemu_log(",");
735         print_timeval(arg4, 1);
736         qemu_log(")");
737     }
738 
739     qemu_log("\n");
740 }
741 #endif
742 
743 /* special meanings of adjtimex()' non-negative return values */
744 #define TARGET_TIME_OK       0   /* clock synchronized, no leap second */
745 #define TARGET_TIME_INS      1   /* insert leap second */
746 #define TARGET_TIME_DEL      2   /* delete leap second */
747 #define TARGET_TIME_OOP      3   /* leap second in progress */
748 #define TARGET_TIME_WAIT     4   /* leap second has occurred */
749 #define TARGET_TIME_ERROR    5   /* clock not synchronized */
750 #ifdef TARGET_NR_adjtimex
751 static void
752 print_syscall_ret_adjtimex(void *cpu_env, const struct syscallname *name,
753                            abi_long ret, abi_long arg0, abi_long arg1,
754                            abi_long arg2, abi_long arg3, abi_long arg4,
755                            abi_long arg5)
756 {
757     if (!print_syscall_err(ret)) {
758         qemu_log(TARGET_ABI_FMT_ld, ret);
759         switch (ret) {
760         case TARGET_TIME_OK:
761             qemu_log(" TIME_OK (clock synchronized, no leap second)");
762             break;
763         case TARGET_TIME_INS:
764             qemu_log(" TIME_INS (insert leap second)");
765             break;
766         case TARGET_TIME_DEL:
767             qemu_log(" TIME_DEL (delete leap second)");
768             break;
769         case TARGET_TIME_OOP:
770             qemu_log(" TIME_OOP (leap second in progress)");
771             break;
772         case TARGET_TIME_WAIT:
773             qemu_log(" TIME_WAIT (leap second has occurred)");
774             break;
775         case TARGET_TIME_ERROR:
776             qemu_log(" TIME_ERROR (clock not synchronized)");
777             break;
778         }
779     }
780 
781     qemu_log("\n");
782 }
783 #endif
784 
785 #if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
786 static void
787 print_syscall_ret_clock_gettime(void *cpu_env, const struct syscallname *name,
788                                 abi_long ret, abi_long arg0, abi_long arg1,
789                                 abi_long arg2, abi_long arg3, abi_long arg4,
790                                 abi_long arg5)
791 {
792     if (!print_syscall_err(ret)) {
793         qemu_log(TARGET_ABI_FMT_ld, ret);
794         qemu_log(" (");
795         print_timespec(arg1, 1);
796         qemu_log(")");
797     }
798 
799     qemu_log("\n");
800 }
801 #define print_syscall_ret_clock_getres     print_syscall_ret_clock_gettime
802 #endif
803 
804 #ifdef TARGET_NR_gettimeofday
805 static void
806 print_syscall_ret_gettimeofday(void *cpu_env, const struct syscallname *name,
807                                abi_long ret, abi_long arg0, abi_long arg1,
808                                abi_long arg2, abi_long arg3, abi_long arg4,
809                                abi_long arg5)
810 {
811     if (!print_syscall_err(ret)) {
812         qemu_log(TARGET_ABI_FMT_ld, ret);
813         qemu_log(" (");
814         print_timeval(arg0, 0);
815         print_timezone(arg1, 1);
816         qemu_log(")");
817     }
818 
819     qemu_log("\n");
820 }
821 #endif
822 
823 #ifdef TARGET_NR_getitimer
824 static void
825 print_syscall_ret_getitimer(void *cpu_env, const struct syscallname *name,
826                             abi_long ret, abi_long arg0, abi_long arg1,
827                             abi_long arg2, abi_long arg3, abi_long arg4,
828                             abi_long arg5)
829 {
830     if (!print_syscall_err(ret)) {
831         qemu_log(TARGET_ABI_FMT_ld, ret);
832         qemu_log(" (");
833         print_itimerval(arg1, 1);
834         qemu_log(")");
835     }
836 
837     qemu_log("\n");
838 }
839 #endif
840 
841 
842 #ifdef TARGET_NR_getitimer
843 static void
844 print_syscall_ret_setitimer(void *cpu_env, const struct syscallname *name,
845                             abi_long ret, abi_long arg0, abi_long arg1,
846                             abi_long arg2, abi_long arg3, abi_long arg4,
847                             abi_long arg5)
848 {
849     if (!print_syscall_err(ret)) {
850         qemu_log(TARGET_ABI_FMT_ld, ret);
851         qemu_log(" (old_value = ");
852         print_itimerval(arg2, 1);
853         qemu_log(")");
854     }
855 
856     qemu_log("\n");
857 }
858 #endif
859 
860 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr) \
861  || defined(TARGGET_NR_flistxattr)
862 static void
863 print_syscall_ret_listxattr(void *cpu_env, const struct syscallname *name,
864                             abi_long ret, abi_long arg0, abi_long arg1,
865                             abi_long arg2, abi_long arg3, abi_long arg4,
866                             abi_long arg5)
867 {
868     if (!print_syscall_err(ret)) {
869         qemu_log(TARGET_ABI_FMT_ld, ret);
870         qemu_log(" (list = ");
871         if (arg1 != 0) {
872             abi_long attr = arg1;
873             while (ret) {
874                 if (attr != arg1) {
875                     qemu_log(",");
876                 }
877                 print_string(attr, 1);
878                 ret -= target_strlen(attr) + 1;
879                 attr += target_strlen(attr) + 1;
880             }
881         } else {
882             qemu_log("NULL");
883         }
884         qemu_log(")");
885     }
886 
887     qemu_log("\n");
888 }
889 #define print_syscall_ret_llistxattr     print_syscall_ret_listxattr
890 #define print_syscall_ret_flistxattr     print_syscall_ret_listxattr
891 #endif
892 
893 #ifdef TARGET_NR_ioctl
894 static void
895 print_syscall_ret_ioctl(void *cpu_env, const struct syscallname *name,
896                         abi_long ret, abi_long arg0, abi_long arg1,
897                         abi_long arg2, abi_long arg3, abi_long arg4,
898                         abi_long arg5)
899 {
900     if (!print_syscall_err(ret)) {
901         qemu_log(TARGET_ABI_FMT_ld, ret);
902 
903         const IOCTLEntry *ie;
904         const argtype *arg_type;
905         void *argptr;
906         int target_size;
907 
908         for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
909             if (ie->target_cmd == arg1) {
910                 break;
911             }
912         }
913 
914         if (ie->target_cmd == arg1 &&
915            (ie->access == IOC_R || ie->access == IOC_RW)) {
916             arg_type = ie->arg_type;
917             qemu_log(" (");
918             arg_type++;
919             target_size = thunk_type_size(arg_type, 0);
920             argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
921             if (argptr) {
922                 thunk_print(argptr, arg_type);
923                 unlock_user(argptr, arg2, target_size);
924             } else {
925                 print_pointer(arg2, 1);
926             }
927             qemu_log(")");
928         }
929     }
930     qemu_log("\n");
931 }
932 #endif
933 
934 UNUSED static struct flags access_flags[] = {
935     FLAG_GENERIC(F_OK),
936     FLAG_GENERIC(R_OK),
937     FLAG_GENERIC(W_OK),
938     FLAG_GENERIC(X_OK),
939     FLAG_END,
940 };
941 
942 UNUSED static struct flags at_file_flags[] = {
943 #ifdef AT_EACCESS
944     FLAG_GENERIC(AT_EACCESS),
945 #endif
946 #ifdef AT_SYMLINK_NOFOLLOW
947     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
948 #endif
949     FLAG_END,
950 };
951 
952 UNUSED static struct flags unlinkat_flags[] = {
953 #ifdef AT_REMOVEDIR
954     FLAG_GENERIC(AT_REMOVEDIR),
955 #endif
956     FLAG_END,
957 };
958 
959 UNUSED static struct flags mode_flags[] = {
960     FLAG_GENERIC(S_IFSOCK),
961     FLAG_GENERIC(S_IFLNK),
962     FLAG_GENERIC(S_IFREG),
963     FLAG_GENERIC(S_IFBLK),
964     FLAG_GENERIC(S_IFDIR),
965     FLAG_GENERIC(S_IFCHR),
966     FLAG_GENERIC(S_IFIFO),
967     FLAG_END,
968 };
969 
970 UNUSED static struct flags open_access_flags[] = {
971     FLAG_TARGET(O_RDONLY),
972     FLAG_TARGET(O_WRONLY),
973     FLAG_TARGET(O_RDWR),
974     FLAG_END,
975 };
976 
977 UNUSED static struct flags open_flags[] = {
978     FLAG_TARGET(O_APPEND),
979     FLAG_TARGET(O_CREAT),
980     FLAG_TARGET(O_DIRECTORY),
981     FLAG_TARGET(O_EXCL),
982     FLAG_TARGET(O_LARGEFILE),
983     FLAG_TARGET(O_NOCTTY),
984     FLAG_TARGET(O_NOFOLLOW),
985     FLAG_TARGET(O_NONBLOCK),      /* also O_NDELAY */
986     FLAG_TARGET(O_DSYNC),
987     FLAG_TARGET(__O_SYNC),
988     FLAG_TARGET(O_TRUNC),
989 #ifdef O_DIRECT
990     FLAG_TARGET(O_DIRECT),
991 #endif
992 #ifdef O_NOATIME
993     FLAG_TARGET(O_NOATIME),
994 #endif
995 #ifdef O_CLOEXEC
996     FLAG_TARGET(O_CLOEXEC),
997 #endif
998 #ifdef O_PATH
999     FLAG_TARGET(O_PATH),
1000 #endif
1001 #ifdef O_TMPFILE
1002     FLAG_TARGET(O_TMPFILE),
1003     FLAG_TARGET(__O_TMPFILE),
1004 #endif
1005     FLAG_END,
1006 };
1007 
1008 UNUSED static struct flags mount_flags[] = {
1009 #ifdef MS_BIND
1010     FLAG_GENERIC(MS_BIND),
1011 #endif
1012 #ifdef MS_DIRSYNC
1013     FLAG_GENERIC(MS_DIRSYNC),
1014 #endif
1015     FLAG_GENERIC(MS_MANDLOCK),
1016 #ifdef MS_MOVE
1017     FLAG_GENERIC(MS_MOVE),
1018 #endif
1019     FLAG_GENERIC(MS_NOATIME),
1020     FLAG_GENERIC(MS_NODEV),
1021     FLAG_GENERIC(MS_NODIRATIME),
1022     FLAG_GENERIC(MS_NOEXEC),
1023     FLAG_GENERIC(MS_NOSUID),
1024     FLAG_GENERIC(MS_RDONLY),
1025 #ifdef MS_RELATIME
1026     FLAG_GENERIC(MS_RELATIME),
1027 #endif
1028     FLAG_GENERIC(MS_REMOUNT),
1029     FLAG_GENERIC(MS_SYNCHRONOUS),
1030     FLAG_END,
1031 };
1032 
1033 UNUSED static struct flags umount2_flags[] = {
1034 #ifdef MNT_FORCE
1035     FLAG_GENERIC(MNT_FORCE),
1036 #endif
1037 #ifdef MNT_DETACH
1038     FLAG_GENERIC(MNT_DETACH),
1039 #endif
1040 #ifdef MNT_EXPIRE
1041     FLAG_GENERIC(MNT_EXPIRE),
1042 #endif
1043     FLAG_END,
1044 };
1045 
1046 UNUSED static struct flags mmap_prot_flags[] = {
1047     FLAG_GENERIC(PROT_NONE),
1048     FLAG_GENERIC(PROT_EXEC),
1049     FLAG_GENERIC(PROT_READ),
1050     FLAG_GENERIC(PROT_WRITE),
1051     FLAG_TARGET(PROT_SEM),
1052     FLAG_GENERIC(PROT_GROWSDOWN),
1053     FLAG_GENERIC(PROT_GROWSUP),
1054     FLAG_END,
1055 };
1056 
1057 UNUSED static struct flags mmap_flags[] = {
1058     FLAG_TARGET(MAP_SHARED),
1059     FLAG_TARGET(MAP_PRIVATE),
1060     FLAG_TARGET(MAP_ANONYMOUS),
1061     FLAG_TARGET(MAP_DENYWRITE),
1062     FLAG_TARGET(MAP_FIXED),
1063     FLAG_TARGET(MAP_GROWSDOWN),
1064     FLAG_TARGET(MAP_EXECUTABLE),
1065 #ifdef MAP_LOCKED
1066     FLAG_TARGET(MAP_LOCKED),
1067 #endif
1068 #ifdef MAP_NONBLOCK
1069     FLAG_TARGET(MAP_NONBLOCK),
1070 #endif
1071     FLAG_TARGET(MAP_NORESERVE),
1072 #ifdef MAP_POPULATE
1073     FLAG_TARGET(MAP_POPULATE),
1074 #endif
1075 #ifdef TARGET_MAP_UNINITIALIZED
1076     FLAG_TARGET(MAP_UNINITIALIZED),
1077 #endif
1078     FLAG_END,
1079 };
1080 
1081 UNUSED static struct flags clone_flags[] = {
1082     FLAG_GENERIC(CLONE_VM),
1083     FLAG_GENERIC(CLONE_FS),
1084     FLAG_GENERIC(CLONE_FILES),
1085     FLAG_GENERIC(CLONE_SIGHAND),
1086     FLAG_GENERIC(CLONE_PTRACE),
1087     FLAG_GENERIC(CLONE_VFORK),
1088     FLAG_GENERIC(CLONE_PARENT),
1089     FLAG_GENERIC(CLONE_THREAD),
1090     FLAG_GENERIC(CLONE_NEWNS),
1091     FLAG_GENERIC(CLONE_SYSVSEM),
1092     FLAG_GENERIC(CLONE_SETTLS),
1093     FLAG_GENERIC(CLONE_PARENT_SETTID),
1094     FLAG_GENERIC(CLONE_CHILD_CLEARTID),
1095     FLAG_GENERIC(CLONE_DETACHED),
1096     FLAG_GENERIC(CLONE_UNTRACED),
1097     FLAG_GENERIC(CLONE_CHILD_SETTID),
1098 #if defined(CLONE_NEWUTS)
1099     FLAG_GENERIC(CLONE_NEWUTS),
1100 #endif
1101 #if defined(CLONE_NEWIPC)
1102     FLAG_GENERIC(CLONE_NEWIPC),
1103 #endif
1104 #if defined(CLONE_NEWUSER)
1105     FLAG_GENERIC(CLONE_NEWUSER),
1106 #endif
1107 #if defined(CLONE_NEWPID)
1108     FLAG_GENERIC(CLONE_NEWPID),
1109 #endif
1110 #if defined(CLONE_NEWNET)
1111     FLAG_GENERIC(CLONE_NEWNET),
1112 #endif
1113 #if defined(CLONE_IO)
1114     FLAG_GENERIC(CLONE_IO),
1115 #endif
1116     FLAG_END,
1117 };
1118 
1119 UNUSED static struct flags msg_flags[] = {
1120     /* send */
1121     FLAG_GENERIC(MSG_CONFIRM),
1122     FLAG_GENERIC(MSG_DONTROUTE),
1123     FLAG_GENERIC(MSG_DONTWAIT),
1124     FLAG_GENERIC(MSG_EOR),
1125     FLAG_GENERIC(MSG_MORE),
1126     FLAG_GENERIC(MSG_NOSIGNAL),
1127     FLAG_GENERIC(MSG_OOB),
1128     /* recv */
1129     FLAG_GENERIC(MSG_CMSG_CLOEXEC),
1130     FLAG_GENERIC(MSG_ERRQUEUE),
1131     FLAG_GENERIC(MSG_PEEK),
1132     FLAG_GENERIC(MSG_TRUNC),
1133     FLAG_GENERIC(MSG_WAITALL),
1134     /* recvmsg */
1135     FLAG_GENERIC(MSG_CTRUNC),
1136     FLAG_END,
1137 };
1138 
1139 UNUSED static struct flags statx_flags[] = {
1140 #ifdef AT_EMPTY_PATH
1141     FLAG_GENERIC(AT_EMPTY_PATH),
1142 #endif
1143 #ifdef AT_NO_AUTOMOUNT
1144     FLAG_GENERIC(AT_NO_AUTOMOUNT),
1145 #endif
1146 #ifdef AT_SYMLINK_NOFOLLOW
1147     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
1148 #endif
1149 #ifdef AT_STATX_SYNC_AS_STAT
1150     FLAG_GENERIC(AT_STATX_SYNC_AS_STAT),
1151 #endif
1152 #ifdef AT_STATX_FORCE_SYNC
1153     FLAG_GENERIC(AT_STATX_FORCE_SYNC),
1154 #endif
1155 #ifdef AT_STATX_DONT_SYNC
1156     FLAG_GENERIC(AT_STATX_DONT_SYNC),
1157 #endif
1158     FLAG_END,
1159 };
1160 
1161 UNUSED static struct flags statx_mask[] = {
1162 /* This must come first, because it includes everything.  */
1163 #ifdef STATX_ALL
1164     FLAG_GENERIC(STATX_ALL),
1165 #endif
1166 /* This must come second; it includes everything except STATX_BTIME.  */
1167 #ifdef STATX_BASIC_STATS
1168     FLAG_GENERIC(STATX_BASIC_STATS),
1169 #endif
1170 #ifdef STATX_TYPE
1171     FLAG_GENERIC(STATX_TYPE),
1172 #endif
1173 #ifdef STATX_MODE
1174     FLAG_GENERIC(STATX_MODE),
1175 #endif
1176 #ifdef STATX_NLINK
1177     FLAG_GENERIC(STATX_NLINK),
1178 #endif
1179 #ifdef STATX_UID
1180     FLAG_GENERIC(STATX_UID),
1181 #endif
1182 #ifdef STATX_GID
1183     FLAG_GENERIC(STATX_GID),
1184 #endif
1185 #ifdef STATX_ATIME
1186     FLAG_GENERIC(STATX_ATIME),
1187 #endif
1188 #ifdef STATX_MTIME
1189     FLAG_GENERIC(STATX_MTIME),
1190 #endif
1191 #ifdef STATX_CTIME
1192     FLAG_GENERIC(STATX_CTIME),
1193 #endif
1194 #ifdef STATX_INO
1195     FLAG_GENERIC(STATX_INO),
1196 #endif
1197 #ifdef STATX_SIZE
1198     FLAG_GENERIC(STATX_SIZE),
1199 #endif
1200 #ifdef STATX_BLOCKS
1201     FLAG_GENERIC(STATX_BLOCKS),
1202 #endif
1203 #ifdef STATX_BTIME
1204     FLAG_GENERIC(STATX_BTIME),
1205 #endif
1206     FLAG_END,
1207 };
1208 
1209 UNUSED static struct flags falloc_flags[] = {
1210     FLAG_GENERIC(FALLOC_FL_KEEP_SIZE),
1211     FLAG_GENERIC(FALLOC_FL_PUNCH_HOLE),
1212 #ifdef FALLOC_FL_NO_HIDE_STALE
1213     FLAG_GENERIC(FALLOC_FL_NO_HIDE_STALE),
1214 #endif
1215 #ifdef FALLOC_FL_COLLAPSE_RANGE
1216     FLAG_GENERIC(FALLOC_FL_COLLAPSE_RANGE),
1217 #endif
1218 #ifdef FALLOC_FL_ZERO_RANGE
1219     FLAG_GENERIC(FALLOC_FL_ZERO_RANGE),
1220 #endif
1221 #ifdef FALLOC_FL_INSERT_RANGE
1222     FLAG_GENERIC(FALLOC_FL_INSERT_RANGE),
1223 #endif
1224 #ifdef FALLOC_FL_UNSHARE_RANGE
1225     FLAG_GENERIC(FALLOC_FL_UNSHARE_RANGE),
1226 #endif
1227 };
1228 
1229 UNUSED static struct flags termios_iflags[] = {
1230     FLAG_TARGET(IGNBRK),
1231     FLAG_TARGET(BRKINT),
1232     FLAG_TARGET(IGNPAR),
1233     FLAG_TARGET(PARMRK),
1234     FLAG_TARGET(INPCK),
1235     FLAG_TARGET(ISTRIP),
1236     FLAG_TARGET(INLCR),
1237     FLAG_TARGET(IGNCR),
1238     FLAG_TARGET(ICRNL),
1239     FLAG_TARGET(IUCLC),
1240     FLAG_TARGET(IXON),
1241     FLAG_TARGET(IXANY),
1242     FLAG_TARGET(IXOFF),
1243     FLAG_TARGET(IMAXBEL),
1244     FLAG_TARGET(IUTF8),
1245     FLAG_END,
1246 };
1247 
1248 UNUSED static struct flags termios_oflags[] = {
1249     FLAG_TARGET(OPOST),
1250     FLAG_TARGET(OLCUC),
1251     FLAG_TARGET(ONLCR),
1252     FLAG_TARGET(OCRNL),
1253     FLAG_TARGET(ONOCR),
1254     FLAG_TARGET(ONLRET),
1255     FLAG_TARGET(OFILL),
1256     FLAG_TARGET(OFDEL),
1257     FLAG_END,
1258 };
1259 
1260 UNUSED static struct enums termios_oflags_NLDLY[] = {
1261     ENUM_TARGET(NL0),
1262     ENUM_TARGET(NL1),
1263     ENUM_END,
1264 };
1265 
1266 UNUSED static struct enums termios_oflags_CRDLY[] = {
1267     ENUM_TARGET(CR0),
1268     ENUM_TARGET(CR1),
1269     ENUM_TARGET(CR2),
1270     ENUM_TARGET(CR3),
1271     ENUM_END,
1272 };
1273 
1274 UNUSED static struct enums termios_oflags_TABDLY[] = {
1275     ENUM_TARGET(TAB0),
1276     ENUM_TARGET(TAB1),
1277     ENUM_TARGET(TAB2),
1278     ENUM_TARGET(TAB3),
1279     ENUM_END,
1280 };
1281 
1282 UNUSED static struct enums termios_oflags_VTDLY[] = {
1283     ENUM_TARGET(VT0),
1284     ENUM_TARGET(VT1),
1285     ENUM_END,
1286 };
1287 
1288 UNUSED static struct enums termios_oflags_FFDLY[] = {
1289     ENUM_TARGET(FF0),
1290     ENUM_TARGET(FF1),
1291     ENUM_END,
1292 };
1293 
1294 UNUSED static struct enums termios_oflags_BSDLY[] = {
1295     ENUM_TARGET(BS0),
1296     ENUM_TARGET(BS1),
1297     ENUM_END,
1298 };
1299 
1300 UNUSED static struct enums termios_cflags_CBAUD[] = {
1301     ENUM_TARGET(B0),
1302     ENUM_TARGET(B50),
1303     ENUM_TARGET(B75),
1304     ENUM_TARGET(B110),
1305     ENUM_TARGET(B134),
1306     ENUM_TARGET(B150),
1307     ENUM_TARGET(B200),
1308     ENUM_TARGET(B300),
1309     ENUM_TARGET(B600),
1310     ENUM_TARGET(B1200),
1311     ENUM_TARGET(B1800),
1312     ENUM_TARGET(B2400),
1313     ENUM_TARGET(B4800),
1314     ENUM_TARGET(B9600),
1315     ENUM_TARGET(B19200),
1316     ENUM_TARGET(B38400),
1317     ENUM_TARGET(B57600),
1318     ENUM_TARGET(B115200),
1319     ENUM_TARGET(B230400),
1320     ENUM_TARGET(B460800),
1321     ENUM_END,
1322 };
1323 
1324 UNUSED static struct enums termios_cflags_CSIZE[] = {
1325     ENUM_TARGET(CS5),
1326     ENUM_TARGET(CS6),
1327     ENUM_TARGET(CS7),
1328     ENUM_TARGET(CS8),
1329     ENUM_END,
1330 };
1331 
1332 UNUSED static struct flags termios_cflags[] = {
1333     FLAG_TARGET(CSTOPB),
1334     FLAG_TARGET(CREAD),
1335     FLAG_TARGET(PARENB),
1336     FLAG_TARGET(PARODD),
1337     FLAG_TARGET(HUPCL),
1338     FLAG_TARGET(CLOCAL),
1339     FLAG_TARGET(CRTSCTS),
1340     FLAG_END,
1341 };
1342 
1343 UNUSED static struct flags termios_lflags[] = {
1344     FLAG_TARGET(ISIG),
1345     FLAG_TARGET(ICANON),
1346     FLAG_TARGET(XCASE),
1347     FLAG_TARGET(ECHO),
1348     FLAG_TARGET(ECHOE),
1349     FLAG_TARGET(ECHOK),
1350     FLAG_TARGET(ECHONL),
1351     FLAG_TARGET(NOFLSH),
1352     FLAG_TARGET(TOSTOP),
1353     FLAG_TARGET(ECHOCTL),
1354     FLAG_TARGET(ECHOPRT),
1355     FLAG_TARGET(ECHOKE),
1356     FLAG_TARGET(FLUSHO),
1357     FLAG_TARGET(PENDIN),
1358     FLAG_TARGET(IEXTEN),
1359     FLAG_TARGET(EXTPROC),
1360     FLAG_END,
1361 };
1362 
1363 UNUSED static struct flags mlockall_flags[] = {
1364     FLAG_TARGET(MCL_CURRENT),
1365     FLAG_TARGET(MCL_FUTURE),
1366 #ifdef MCL_ONFAULT
1367     FLAG_TARGET(MCL_ONFAULT),
1368 #endif
1369     FLAG_END,
1370 };
1371 
1372 /* IDs of the various system clocks */
1373 #define TARGET_CLOCK_REALTIME              0
1374 #define TARGET_CLOCK_MONOTONIC             1
1375 #define TARGET_CLOCK_PROCESS_CPUTIME_ID    2
1376 #define TARGET_CLOCK_THREAD_CPUTIME_ID     3
1377 #define TARGET_CLOCK_MONOTONIC_RAW         4
1378 #define TARGET_CLOCK_REALTIME_COARSE       5
1379 #define TARGET_CLOCK_MONOTONIC_COARSE      6
1380 #define TARGET_CLOCK_BOOTTIME              7
1381 #define TARGET_CLOCK_REALTIME_ALARM        8
1382 #define TARGET_CLOCK_BOOTTIME_ALARM        9
1383 #define TARGET_CLOCK_SGI_CYCLE             10
1384 #define TARGET_CLOCK_TAI                   11
1385 
1386 UNUSED static struct enums clockids[] = {
1387     ENUM_TARGET(CLOCK_REALTIME),
1388     ENUM_TARGET(CLOCK_MONOTONIC),
1389     ENUM_TARGET(CLOCK_PROCESS_CPUTIME_ID),
1390     ENUM_TARGET(CLOCK_THREAD_CPUTIME_ID),
1391     ENUM_TARGET(CLOCK_MONOTONIC_RAW),
1392     ENUM_TARGET(CLOCK_REALTIME_COARSE),
1393     ENUM_TARGET(CLOCK_MONOTONIC_COARSE),
1394     ENUM_TARGET(CLOCK_BOOTTIME),
1395     ENUM_TARGET(CLOCK_REALTIME_ALARM),
1396     ENUM_TARGET(CLOCK_BOOTTIME_ALARM),
1397     ENUM_TARGET(CLOCK_SGI_CYCLE),
1398     ENUM_TARGET(CLOCK_TAI),
1399     ENUM_END,
1400 };
1401 
1402 UNUSED static struct enums itimer_types[] = {
1403     ENUM_GENERIC(ITIMER_REAL),
1404     ENUM_GENERIC(ITIMER_VIRTUAL),
1405     ENUM_GENERIC(ITIMER_PROF),
1406     ENUM_END,
1407 };
1408 
1409 /*
1410  * print_xxx utility functions.  These are used to print syscall
1411  * parameters in certain format.  All of these have parameter
1412  * named 'last'.  This parameter is used to add comma to output
1413  * when last == 0.
1414  */
1415 
1416 static const char *
1417 get_comma(int last)
1418 {
1419     return ((last) ? "" : ",");
1420 }
1421 
1422 static void
1423 print_flags(const struct flags *f, abi_long flags, int last)
1424 {
1425     const char *sep = "";
1426     int n;
1427 
1428     if ((flags == 0) && (f->f_value == 0)) {
1429         qemu_log("%s%s", f->f_string, get_comma(last));
1430         return;
1431     }
1432     for (n = 0; f->f_string != NULL; f++) {
1433         if ((f->f_value != 0) && ((flags & f->f_value) == f->f_value)) {
1434             qemu_log("%s%s", sep, f->f_string);
1435             flags &= ~f->f_value;
1436             sep = "|";
1437             n++;
1438         }
1439     }
1440 
1441     if (n > 0) {
1442         /* print rest of the flags as numeric */
1443         if (flags != 0) {
1444             qemu_log("%s%#x%s", sep, (unsigned int)flags, get_comma(last));
1445         } else {
1446             qemu_log("%s", get_comma(last));
1447         }
1448     } else {
1449         /* no string version of flags found, print them in hex then */
1450         qemu_log("%#x%s", (unsigned int)flags, get_comma(last));
1451     }
1452 }
1453 
1454 static void
1455 print_enums(const struct enums *e, abi_long enum_arg, int last)
1456 {
1457     for (; e->e_string != NULL; e++) {
1458         if (e->e_value == enum_arg) {
1459             qemu_log("%s", e->e_string);
1460             break;
1461         }
1462     }
1463 
1464     if (e->e_string == NULL) {
1465         qemu_log("%#x", (unsigned int)enum_arg);
1466     }
1467 
1468     qemu_log("%s", get_comma(last));
1469 }
1470 
1471 static void
1472 print_at_dirfd(abi_long dirfd, int last)
1473 {
1474 #ifdef AT_FDCWD
1475     if (dirfd == AT_FDCWD) {
1476         qemu_log("AT_FDCWD%s", get_comma(last));
1477         return;
1478     }
1479 #endif
1480     qemu_log("%d%s", (int)dirfd, get_comma(last));
1481 }
1482 
1483 static void
1484 print_file_mode(abi_long mode, int last)
1485 {
1486     const char *sep = "";
1487     const struct flags *m;
1488 
1489     for (m = &mode_flags[0]; m->f_string != NULL; m++) {
1490         if ((m->f_value & mode) == m->f_value) {
1491             qemu_log("%s%s", m->f_string, sep);
1492             sep = "|";
1493             mode &= ~m->f_value;
1494             break;
1495         }
1496     }
1497 
1498     mode &= ~S_IFMT;
1499     /* print rest of the mode as octal */
1500     if (mode != 0)
1501         qemu_log("%s%#o", sep, (unsigned int)mode);
1502 
1503     qemu_log("%s", get_comma(last));
1504 }
1505 
1506 static void
1507 print_open_flags(abi_long flags, int last)
1508 {
1509     print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1);
1510     flags &= ~TARGET_O_ACCMODE;
1511     if (flags == 0) {
1512         qemu_log("%s", get_comma(last));
1513         return;
1514     }
1515     qemu_log("|");
1516     print_flags(open_flags, flags, last);
1517 }
1518 
1519 static void
1520 print_syscall_prologue(const struct syscallname *sc)
1521 {
1522     qemu_log("%s(", sc->name);
1523 }
1524 
1525 /*ARGSUSED*/
1526 static void
1527 print_syscall_epilogue(const struct syscallname *sc)
1528 {
1529     (void)sc;
1530     qemu_log(")");
1531 }
1532 
1533 static void
1534 print_string(abi_long addr, int last)
1535 {
1536     char *s;
1537 
1538     if ((s = lock_user_string(addr)) != NULL) {
1539         qemu_log("\"%s\"%s", s, get_comma(last));
1540         unlock_user(s, addr, 0);
1541     } else {
1542         /* can't get string out of it, so print it as pointer */
1543         print_pointer(addr, last);
1544     }
1545 }
1546 
1547 #define MAX_PRINT_BUF 40
1548 static void
1549 print_buf(abi_long addr, abi_long len, int last)
1550 {
1551     uint8_t *s;
1552     int i;
1553 
1554     s = lock_user(VERIFY_READ, addr, len, 1);
1555     if (s) {
1556         qemu_log("\"");
1557         for (i = 0; i < MAX_PRINT_BUF && i < len; i++) {
1558             if (isprint(s[i])) {
1559                 qemu_log("%c", s[i]);
1560             } else {
1561                 qemu_log("\\%o", s[i]);
1562             }
1563         }
1564         qemu_log("\"");
1565         if (i != len) {
1566             qemu_log("...");
1567         }
1568         if (!last) {
1569             qemu_log(",");
1570         }
1571         unlock_user(s, addr, 0);
1572     } else {
1573         print_pointer(addr, last);
1574     }
1575 }
1576 
1577 /*
1578  * Prints out raw parameter using given format.  Caller needs
1579  * to do byte swapping if needed.
1580  */
1581 static void
1582 print_raw_param(const char *fmt, abi_long param, int last)
1583 {
1584     char format[64];
1585 
1586     (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last));
1587     qemu_log(format, param);
1588 }
1589 
1590 static void
1591 print_pointer(abi_long p, int last)
1592 {
1593     if (p == 0)
1594         qemu_log("NULL%s", get_comma(last));
1595     else
1596         qemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last));
1597 }
1598 
1599 /*
1600  * Reads 32-bit (int) number from guest address space from
1601  * address 'addr' and prints it.
1602  */
1603 static void
1604 print_number(abi_long addr, int last)
1605 {
1606     if (addr == 0) {
1607         qemu_log("NULL%s", get_comma(last));
1608     } else {
1609         int num;
1610 
1611         get_user_s32(num, addr);
1612         qemu_log("[%d]%s", num, get_comma(last));
1613     }
1614 }
1615 
1616 static void
1617 print_timeval(abi_ulong tv_addr, int last)
1618 {
1619     if( tv_addr ) {
1620         struct target_timeval *tv;
1621 
1622         tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
1623         if (!tv) {
1624             print_pointer(tv_addr, last);
1625             return;
1626         }
1627         qemu_log("{tv_sec = " TARGET_ABI_FMT_ld
1628                  ",tv_usec = " TARGET_ABI_FMT_ld "}%s",
1629                  tswapal(tv->tv_sec), tswapal(tv->tv_usec), get_comma(last));
1630         unlock_user(tv, tv_addr, 0);
1631     } else
1632         qemu_log("NULL%s", get_comma(last));
1633 }
1634 
1635 static void
1636 print_timespec(abi_ulong ts_addr, int last)
1637 {
1638     if (ts_addr) {
1639         struct target_timespec *ts;
1640 
1641         ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1);
1642         if (!ts) {
1643             print_pointer(ts_addr, last);
1644             return;
1645         }
1646         qemu_log("{tv_sec = " TARGET_ABI_FMT_ld
1647                  ",tv_nsec = " TARGET_ABI_FMT_ld "}%s",
1648                  tswapal(ts->tv_sec), tswapal(ts->tv_nsec), get_comma(last));
1649         unlock_user(ts, ts_addr, 0);
1650     } else {
1651         qemu_log("NULL%s", get_comma(last));
1652     }
1653 }
1654 
1655 static void
1656 print_timezone(abi_ulong tz_addr, int last)
1657 {
1658     if (tz_addr) {
1659         struct target_timezone *tz;
1660 
1661         tz = lock_user(VERIFY_READ, tz_addr, sizeof(*tz), 1);
1662         if (!tz) {
1663             print_pointer(tz_addr, last);
1664             return;
1665         }
1666         qemu_log("{%d,%d}%s", tswap32(tz->tz_minuteswest),
1667                  tswap32(tz->tz_dsttime), get_comma(last));
1668         unlock_user(tz, tz_addr, 0);
1669     } else {
1670         qemu_log("NULL%s", get_comma(last));
1671     }
1672 }
1673 
1674 static void
1675 print_itimerval(abi_ulong it_addr, int last)
1676 {
1677     if (it_addr) {
1678         qemu_log("{it_interval=");
1679         print_timeval(it_addr +
1680                       offsetof(struct target_itimerval, it_interval), 0);
1681         qemu_log("it_value=");
1682         print_timeval(it_addr +
1683                       offsetof(struct target_itimerval, it_value), 0);
1684         qemu_log("}%s", get_comma(last));
1685     } else {
1686         qemu_log("NULL%s", get_comma(last));
1687     }
1688 }
1689 
1690 void
1691 print_termios(void *arg)
1692 {
1693     const struct target_termios *target = arg;
1694 
1695     target_tcflag_t iflags = tswap32(target->c_iflag);
1696     target_tcflag_t oflags = tswap32(target->c_oflag);
1697     target_tcflag_t cflags = tswap32(target->c_cflag);
1698     target_tcflag_t lflags = tswap32(target->c_lflag);
1699 
1700     qemu_log("{");
1701 
1702     qemu_log("c_iflag = ");
1703     print_flags(termios_iflags, iflags, 0);
1704 
1705     qemu_log("c_oflag = ");
1706     target_tcflag_t oflags_clean =  oflags & ~(TARGET_NLDLY | TARGET_CRDLY |
1707                                                TARGET_TABDLY | TARGET_BSDLY |
1708                                                TARGET_VTDLY | TARGET_FFDLY);
1709     print_flags(termios_oflags, oflags_clean, 0);
1710     if (oflags & TARGET_NLDLY) {
1711         print_enums(termios_oflags_NLDLY, oflags & TARGET_NLDLY, 0);
1712     }
1713     if (oflags & TARGET_CRDLY) {
1714         print_enums(termios_oflags_CRDLY, oflags & TARGET_CRDLY, 0);
1715     }
1716     if (oflags & TARGET_TABDLY) {
1717         print_enums(termios_oflags_TABDLY, oflags & TARGET_TABDLY, 0);
1718     }
1719     if (oflags & TARGET_BSDLY) {
1720         print_enums(termios_oflags_BSDLY, oflags & TARGET_BSDLY, 0);
1721     }
1722     if (oflags & TARGET_VTDLY) {
1723         print_enums(termios_oflags_VTDLY, oflags & TARGET_VTDLY, 0);
1724     }
1725     if (oflags & TARGET_FFDLY) {
1726         print_enums(termios_oflags_FFDLY, oflags & TARGET_FFDLY, 0);
1727     }
1728 
1729     qemu_log("c_cflag = ");
1730     if (cflags & TARGET_CBAUD) {
1731         print_enums(termios_cflags_CBAUD, cflags & TARGET_CBAUD, 0);
1732     }
1733     if (cflags & TARGET_CSIZE) {
1734         print_enums(termios_cflags_CSIZE, cflags & TARGET_CSIZE, 0);
1735     }
1736     target_tcflag_t cflags_clean = cflags & ~(TARGET_CBAUD | TARGET_CSIZE);
1737     print_flags(termios_cflags, cflags_clean, 0);
1738 
1739     qemu_log("c_lflag = ");
1740     print_flags(termios_lflags, lflags, 0);
1741 
1742     qemu_log("c_cc = ");
1743     qemu_log("\"%s\",", target->c_cc);
1744 
1745     qemu_log("c_line = ");
1746     print_raw_param("\'%c\'", target->c_line, 1);
1747 
1748     qemu_log("}");
1749 }
1750 
1751 #undef UNUSED
1752 
1753 #ifdef TARGET_NR_accept
1754 static void
1755 print_accept(void *cpu_env, const struct syscallname *name,
1756              abi_long arg0, abi_long arg1, abi_long arg2,
1757              abi_long arg3, abi_long arg4, abi_long arg5)
1758 {
1759     print_syscall_prologue(name);
1760     print_raw_param("%d", arg0, 0);
1761     print_pointer(arg1, 0);
1762     print_number(arg2, 1);
1763     print_syscall_epilogue(name);
1764 }
1765 #endif
1766 
1767 #ifdef TARGET_NR_access
1768 static void
1769 print_access(void *cpu_env, const struct syscallname *name,
1770              abi_long arg0, abi_long arg1, abi_long arg2,
1771              abi_long arg3, abi_long arg4, abi_long arg5)
1772 {
1773     print_syscall_prologue(name);
1774     print_string(arg0, 0);
1775     print_flags(access_flags, arg1, 1);
1776     print_syscall_epilogue(name);
1777 }
1778 #endif
1779 
1780 #ifdef TARGET_NR_acct
1781 static void
1782 print_acct(void *cpu_env, const struct syscallname *name,
1783            abi_long arg0, abi_long arg1, abi_long arg2,
1784            abi_long arg3, abi_long arg4, abi_long arg5)
1785 {
1786     print_syscall_prologue(name);
1787     print_string(arg0, 1);
1788     print_syscall_epilogue(name);
1789 }
1790 #endif
1791 
1792 #ifdef TARGET_NR_brk
1793 static void
1794 print_brk(void *cpu_env, const struct syscallname *name,
1795           abi_long arg0, abi_long arg1, abi_long arg2,
1796           abi_long arg3, abi_long arg4, abi_long arg5)
1797 {
1798     print_syscall_prologue(name);
1799     print_pointer(arg0, 1);
1800     print_syscall_epilogue(name);
1801 }
1802 #endif
1803 
1804 #ifdef TARGET_NR_chdir
1805 static void
1806 print_chdir(void *cpu_env, const struct syscallname *name,
1807             abi_long arg0, abi_long arg1, abi_long arg2,
1808             abi_long arg3, abi_long arg4, abi_long arg5)
1809 {
1810     print_syscall_prologue(name);
1811     print_string(arg0, 1);
1812     print_syscall_epilogue(name);
1813 }
1814 #endif
1815 
1816 #ifdef TARGET_NR_chroot
1817 static void
1818 print_chroot(void *cpu_env, const struct syscallname *name,
1819              abi_long arg0, abi_long arg1, abi_long arg2,
1820              abi_long arg3, abi_long arg4, abi_long arg5)
1821 {
1822     print_syscall_prologue(name);
1823     print_string(arg0, 1);
1824     print_syscall_epilogue(name);
1825 }
1826 #endif
1827 
1828 #ifdef TARGET_NR_chmod
1829 static void
1830 print_chmod(void *cpu_env, const struct syscallname *name,
1831             abi_long arg0, abi_long arg1, abi_long arg2,
1832             abi_long arg3, abi_long arg4, abi_long arg5)
1833 {
1834     print_syscall_prologue(name);
1835     print_string(arg0, 0);
1836     print_file_mode(arg1, 1);
1837     print_syscall_epilogue(name);
1838 }
1839 #endif
1840 
1841 #if defined(TARGET_NR_chown) || defined(TARGET_NR_lchown)
1842 static void
1843 print_chown(void *cpu_env, const struct syscallname *name,
1844             abi_long arg0, abi_long arg1, abi_long arg2,
1845             abi_long arg3, abi_long arg4, abi_long arg5)
1846 {
1847     print_syscall_prologue(name);
1848     print_string(arg0, 0);
1849     print_raw_param("%d", arg1, 0);
1850     print_raw_param("%d", arg2, 1);
1851     print_syscall_epilogue(name);
1852 }
1853 #define print_lchown     print_chown
1854 #endif
1855 
1856 #ifdef TARGET_NR_clock_adjtime
1857 static void
1858 print_clock_adjtime(void *cpu_env, const struct syscallname *name,
1859                     abi_long arg0, abi_long arg1, abi_long arg2,
1860                     abi_long arg3, abi_long arg4, abi_long arg5)
1861 {
1862     print_syscall_prologue(name);
1863     print_enums(clockids, arg0, 0);
1864     print_pointer(arg1, 1);
1865     print_syscall_epilogue(name);
1866 }
1867 #endif
1868 
1869 #ifdef TARGET_NR_clone
1870 static void do_print_clone(unsigned int flags, abi_ulong newsp,
1871                            abi_ulong parent_tidptr, target_ulong newtls,
1872                            abi_ulong child_tidptr)
1873 {
1874     print_flags(clone_flags, flags, 0);
1875     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, newsp, 0);
1876     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, parent_tidptr, 0);
1877     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, newtls, 0);
1878     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, child_tidptr, 1);
1879 }
1880 
1881 static void
1882 print_clone(void *cpu_env, const struct syscallname *name,
1883             abi_long arg1, abi_long arg2, abi_long arg3,
1884             abi_long arg4, abi_long arg5, abi_long arg6)
1885 {
1886     print_syscall_prologue(name);
1887 #if defined(TARGET_MICROBLAZE)
1888     do_print_clone(arg1, arg2, arg4, arg6, arg5);
1889 #elif defined(TARGET_CLONE_BACKWARDS)
1890     do_print_clone(arg1, arg2, arg3, arg4, arg5);
1891 #elif defined(TARGET_CLONE_BACKWARDS2)
1892     do_print_clone(arg2, arg1, arg3, arg5, arg4);
1893 #else
1894     do_print_clone(arg1, arg2, arg3, arg5, arg4);
1895 #endif
1896     print_syscall_epilogue(name);
1897 }
1898 #endif
1899 
1900 #ifdef TARGET_NR_creat
1901 static void
1902 print_creat(void *cpu_env, const struct syscallname *name,
1903             abi_long arg0, abi_long arg1, abi_long arg2,
1904             abi_long arg3, abi_long arg4, abi_long arg5)
1905 {
1906     print_syscall_prologue(name);
1907     print_string(arg0, 0);
1908     print_file_mode(arg1, 1);
1909     print_syscall_epilogue(name);
1910 }
1911 #endif
1912 
1913 #ifdef TARGET_NR_execv
1914 static void
1915 print_execv(void *cpu_env, const struct syscallname *name,
1916             abi_long arg0, abi_long arg1, abi_long arg2,
1917             abi_long arg3, abi_long arg4, abi_long arg5)
1918 {
1919     print_syscall_prologue(name);
1920     print_string(arg0, 0);
1921     print_raw_param("0x" TARGET_ABI_FMT_lx, arg1, 1);
1922     print_syscall_epilogue(name);
1923 }
1924 #endif
1925 
1926 #ifdef TARGET_NR_faccessat
1927 static void
1928 print_faccessat(void *cpu_env, const struct syscallname *name,
1929                 abi_long arg0, abi_long arg1, abi_long arg2,
1930                 abi_long arg3, abi_long arg4, abi_long arg5)
1931 {
1932     print_syscall_prologue(name);
1933     print_at_dirfd(arg0, 0);
1934     print_string(arg1, 0);
1935     print_flags(access_flags, arg2, 0);
1936     print_flags(at_file_flags, arg3, 1);
1937     print_syscall_epilogue(name);
1938 }
1939 #endif
1940 
1941 #ifdef TARGET_NR_fallocate
1942 static void
1943 print_fallocate(void *cpu_env, const struct syscallname *name,
1944                 abi_long arg0, abi_long arg1, abi_long arg2,
1945                 abi_long arg3, abi_long arg4, abi_long arg5)
1946 {
1947     print_syscall_prologue(name);
1948     print_raw_param("%d", arg0, 0);
1949     print_flags(falloc_flags, arg1, 0);
1950 #if TARGET_ABI_BITS == 32
1951     print_raw_param("%" PRIu64, target_offset64(arg2, arg3), 0);
1952     print_raw_param("%" PRIu64, target_offset64(arg4, arg5), 1);
1953 #else
1954     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1955     print_raw_param(TARGET_ABI_FMT_ld, arg3, 1);
1956 #endif
1957     print_syscall_epilogue(name);
1958 }
1959 #endif
1960 
1961 #ifdef TARGET_NR_fchmodat
1962 static void
1963 print_fchmodat(void *cpu_env, const struct syscallname *name,
1964                abi_long arg0, abi_long arg1, abi_long arg2,
1965                abi_long arg3, abi_long arg4, abi_long arg5)
1966 {
1967     print_syscall_prologue(name);
1968     print_at_dirfd(arg0, 0);
1969     print_string(arg1, 0);
1970     print_file_mode(arg2, 0);
1971     print_flags(at_file_flags, arg3, 1);
1972     print_syscall_epilogue(name);
1973 }
1974 #endif
1975 
1976 #ifdef TARGET_NR_fchownat
1977 static void
1978 print_fchownat(void *cpu_env, const struct syscallname *name,
1979                abi_long arg0, abi_long arg1, abi_long arg2,
1980                abi_long arg3, abi_long arg4, abi_long arg5)
1981 {
1982     print_syscall_prologue(name);
1983     print_at_dirfd(arg0, 0);
1984     print_string(arg1, 0);
1985     print_raw_param("%d", arg2, 0);
1986     print_raw_param("%d", arg3, 0);
1987     print_flags(at_file_flags, arg4, 1);
1988     print_syscall_epilogue(name);
1989 }
1990 #endif
1991 
1992 #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
1993 static void
1994 print_fcntl(void *cpu_env, const struct syscallname *name,
1995             abi_long arg0, abi_long arg1, abi_long arg2,
1996             abi_long arg3, abi_long arg4, abi_long arg5)
1997 {
1998     print_syscall_prologue(name);
1999     print_raw_param("%d", arg0, 0);
2000     switch(arg1) {
2001     case TARGET_F_DUPFD:
2002         qemu_log("F_DUPFD,");
2003         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2004         break;
2005     case TARGET_F_GETFD:
2006         qemu_log("F_GETFD");
2007         break;
2008     case TARGET_F_SETFD:
2009         qemu_log("F_SETFD,");
2010         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2011         break;
2012     case TARGET_F_GETFL:
2013         qemu_log("F_GETFL");
2014         break;
2015     case TARGET_F_SETFL:
2016         qemu_log("F_SETFL,");
2017         print_open_flags(arg2, 1);
2018         break;
2019     case TARGET_F_GETLK:
2020         qemu_log("F_GETLK,");
2021         print_pointer(arg2, 1);
2022         break;
2023     case TARGET_F_SETLK:
2024         qemu_log("F_SETLK,");
2025         print_pointer(arg2, 1);
2026         break;
2027     case TARGET_F_SETLKW:
2028         qemu_log("F_SETLKW,");
2029         print_pointer(arg2, 1);
2030         break;
2031     case TARGET_F_GETOWN:
2032         qemu_log("F_GETOWN");
2033         break;
2034     case TARGET_F_SETOWN:
2035         qemu_log("F_SETOWN,");
2036         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2037         break;
2038     case TARGET_F_GETSIG:
2039         qemu_log("F_GETSIG");
2040         break;
2041     case TARGET_F_SETSIG:
2042         qemu_log("F_SETSIG,");
2043         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2044         break;
2045 #if TARGET_ABI_BITS == 32
2046     case TARGET_F_GETLK64:
2047         qemu_log("F_GETLK64,");
2048         print_pointer(arg2, 1);
2049         break;
2050     case TARGET_F_SETLK64:
2051         qemu_log("F_SETLK64,");
2052         print_pointer(arg2, 1);
2053         break;
2054     case TARGET_F_SETLKW64:
2055         qemu_log("F_SETLKW64,");
2056         print_pointer(arg2, 1);
2057         break;
2058 #endif
2059     case TARGET_F_OFD_GETLK:
2060         qemu_log("F_OFD_GETLK,");
2061         print_pointer(arg2, 1);
2062         break;
2063     case TARGET_F_OFD_SETLK:
2064         qemu_log("F_OFD_SETLK,");
2065         print_pointer(arg2, 1);
2066         break;
2067     case TARGET_F_OFD_SETLKW:
2068         qemu_log("F_OFD_SETLKW,");
2069         print_pointer(arg2, 1);
2070         break;
2071     case TARGET_F_SETLEASE:
2072         qemu_log("F_SETLEASE,");
2073         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2074         break;
2075     case TARGET_F_GETLEASE:
2076         qemu_log("F_GETLEASE");
2077         break;
2078     case TARGET_F_SETPIPE_SZ:
2079         qemu_log("F_SETPIPE_SZ,");
2080         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2081         break;
2082     case TARGET_F_GETPIPE_SZ:
2083         qemu_log("F_GETPIPE_SZ");
2084         break;
2085     case TARGET_F_DUPFD_CLOEXEC:
2086         qemu_log("F_DUPFD_CLOEXEC,");
2087         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
2088         break;
2089     case TARGET_F_NOTIFY:
2090         qemu_log("F_NOTIFY,");
2091         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2092         break;
2093     default:
2094         print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
2095         print_pointer(arg2, 1);
2096         break;
2097     }
2098     print_syscall_epilogue(name);
2099 }
2100 #define print_fcntl64   print_fcntl
2101 #endif
2102 
2103 #ifdef TARGET_NR_fgetxattr
2104 static void
2105 print_fgetxattr(void *cpu_env, const struct syscallname *name,
2106                 abi_long arg0, abi_long arg1, abi_long arg2,
2107                 abi_long arg3, abi_long arg4, abi_long arg5)
2108 {
2109     print_syscall_prologue(name);
2110     print_raw_param("%d", arg0, 0);
2111     print_string(arg1, 0);
2112     print_pointer(arg2, 0);
2113     print_raw_param(TARGET_FMT_lu, arg3, 1);
2114     print_syscall_epilogue(name);
2115 }
2116 #endif
2117 
2118 #ifdef TARGET_NR_flistxattr
2119 static void
2120 print_flistxattr(void *cpu_env, const struct syscallname *name,
2121                  abi_long arg0, abi_long arg1, abi_long arg2,
2122                  abi_long arg3, abi_long arg4, abi_long arg5)
2123 {
2124     print_syscall_prologue(name);
2125     print_raw_param("%d", arg0, 0);
2126     print_pointer(arg1, 0);
2127     print_raw_param(TARGET_FMT_lu, arg2, 1);
2128     print_syscall_epilogue(name);
2129 }
2130 #endif
2131 
2132 #if defined(TARGET_NR_getxattr) || defined(TARGET_NR_lgetxattr)
2133 static void
2134 print_getxattr(void *cpu_env, const struct syscallname *name,
2135                abi_long arg0, abi_long arg1, abi_long arg2,
2136                abi_long arg3, abi_long arg4, abi_long arg5)
2137 {
2138     print_syscall_prologue(name);
2139     print_string(arg0, 0);
2140     print_string(arg1, 0);
2141     print_pointer(arg2, 0);
2142     print_raw_param(TARGET_FMT_lu, arg3, 1);
2143     print_syscall_epilogue(name);
2144 }
2145 #define print_lgetxattr     print_getxattr
2146 #endif
2147 
2148 #if defined(TARGET_NR_listxattr) || defined(TARGET_NR_llistxattr)
2149 static void
2150 print_listxattr(void *cpu_env, const struct syscallname *name,
2151                 abi_long arg0, abi_long arg1, abi_long arg2,
2152                 abi_long arg3, abi_long arg4, abi_long arg5)
2153 {
2154     print_syscall_prologue(name);
2155     print_string(arg0, 0);
2156     print_pointer(arg1, 0);
2157     print_raw_param(TARGET_FMT_lu, arg2, 1);
2158     print_syscall_epilogue(name);
2159 }
2160 #define print_llistxattr     print_listxattr
2161 #endif
2162 
2163 #if defined(TARGET_NR_fremovexattr)
2164 static void
2165 print_fremovexattr(void *cpu_env, const struct syscallname *name,
2166                    abi_long arg0, abi_long arg1, abi_long arg2,
2167                    abi_long arg3, abi_long arg4, abi_long arg5)
2168 {
2169     print_syscall_prologue(name);
2170     print_raw_param("%d", arg0, 0);
2171     print_string(arg1, 1);
2172     print_syscall_epilogue(name);
2173 }
2174 #endif
2175 
2176 #if defined(TARGET_NR_removexattr) || defined(TARGET_NR_lremovexattr)
2177 static void
2178 print_removexattr(void *cpu_env, const struct syscallname *name,
2179                   abi_long arg0, abi_long arg1, abi_long arg2,
2180                   abi_long arg3, abi_long arg4, abi_long arg5)
2181 {
2182     print_syscall_prologue(name);
2183     print_string(arg0, 0);
2184     print_string(arg1, 1);
2185     print_syscall_epilogue(name);
2186 }
2187 #define print_lremovexattr     print_removexattr
2188 #endif
2189 
2190 #ifdef TARGET_NR_futimesat
2191 static void
2192 print_futimesat(void *cpu_env, const struct syscallname *name,
2193                 abi_long arg0, abi_long arg1, abi_long arg2,
2194                 abi_long arg3, abi_long arg4, abi_long arg5)
2195 {
2196     print_syscall_prologue(name);
2197     print_at_dirfd(arg0, 0);
2198     print_string(arg1, 0);
2199     print_timeval(arg2, 0);
2200     print_timeval(arg2 + sizeof (struct target_timeval), 1);
2201     print_syscall_epilogue(name);
2202 }
2203 #endif
2204 
2205 #ifdef TARGET_NR_gettimeofday
2206 static void
2207 print_gettimeofday(void *cpu_env, const struct syscallname *name,
2208                    abi_long arg0, abi_long arg1, abi_long arg2,
2209                    abi_long arg3, abi_long arg4, abi_long arg5)
2210 {
2211     print_syscall_prologue(name);
2212     print_pointer(arg0, 0);
2213     print_pointer(arg1, 1);
2214     print_syscall_epilogue(name);
2215 }
2216 #endif
2217 
2218 #ifdef TARGET_NR_settimeofday
2219 static void
2220 print_settimeofday(void *cpu_env, const struct syscallname *name,
2221                    abi_long arg0, abi_long arg1, abi_long arg2,
2222                    abi_long arg3, abi_long arg4, abi_long arg5)
2223 {
2224     print_syscall_prologue(name);
2225     print_timeval(arg0, 0);
2226     print_timezone(arg1, 1);
2227     print_syscall_epilogue(name);
2228 }
2229 #endif
2230 
2231 #if defined(TARGET_NR_clock_gettime) || defined(TARGET_NR_clock_getres)
2232 static void
2233 print_clock_gettime(void *cpu_env, const struct syscallname *name,
2234                     abi_long arg0, abi_long arg1, abi_long arg2,
2235                     abi_long arg3, abi_long arg4, abi_long arg5)
2236 {
2237     print_syscall_prologue(name);
2238     print_enums(clockids, arg0, 0);
2239     print_pointer(arg1, 1);
2240     print_syscall_epilogue(name);
2241 }
2242 #define print_clock_getres     print_clock_gettime
2243 #endif
2244 
2245 #ifdef TARGET_NR_clock_settime
2246 static void
2247 print_clock_settime(void *cpu_env, const struct syscallname *name,
2248                     abi_long arg0, abi_long arg1, abi_long arg2,
2249                     abi_long arg3, abi_long arg4, abi_long arg5)
2250 {
2251     print_syscall_prologue(name);
2252     print_enums(clockids, arg0, 0);
2253     print_timespec(arg1, 1);
2254     print_syscall_epilogue(name);
2255 }
2256 #endif
2257 
2258 #ifdef TARGET_NR_getitimer
2259 static void
2260 print_getitimer(void *cpu_env, const struct syscallname *name,
2261                 abi_long arg0, abi_long arg1, abi_long arg2,
2262                 abi_long arg3, abi_long arg4, abi_long arg5)
2263 {
2264     print_syscall_prologue(name);
2265     print_enums(itimer_types, arg0, 0);
2266     print_pointer(arg1, 1);
2267     print_syscall_epilogue(name);
2268 }
2269 #endif
2270 
2271 #ifdef TARGET_NR_setitimer
2272 static void
2273 print_setitimer(void *cpu_env, const struct syscallname *name,
2274                 abi_long arg0, abi_long arg1, abi_long arg2,
2275                 abi_long arg3, abi_long arg4, abi_long arg5)
2276 {
2277     print_syscall_prologue(name);
2278     print_enums(itimer_types, arg0, 0);
2279     print_itimerval(arg1, 0);
2280     print_pointer(arg2, 1);
2281     print_syscall_epilogue(name);
2282 }
2283 #endif
2284 
2285 #ifdef TARGET_NR_link
2286 static void
2287 print_link(void *cpu_env, const struct syscallname *name,
2288            abi_long arg0, abi_long arg1, abi_long arg2,
2289            abi_long arg3, abi_long arg4, abi_long arg5)
2290 {
2291     print_syscall_prologue(name);
2292     print_string(arg0, 0);
2293     print_string(arg1, 1);
2294     print_syscall_epilogue(name);
2295 }
2296 #endif
2297 
2298 #ifdef TARGET_NR_linkat
2299 static void
2300 print_linkat(void *cpu_env, const struct syscallname *name,
2301              abi_long arg0, abi_long arg1, abi_long arg2,
2302              abi_long arg3, abi_long arg4, abi_long arg5)
2303 {
2304     print_syscall_prologue(name);
2305     print_at_dirfd(arg0, 0);
2306     print_string(arg1, 0);
2307     print_at_dirfd(arg2, 0);
2308     print_string(arg3, 0);
2309     print_flags(at_file_flags, arg4, 1);
2310     print_syscall_epilogue(name);
2311 }
2312 #endif
2313 
2314 #ifdef TARGET_NR__llseek
2315 static void
2316 print__llseek(void *cpu_env, const struct syscallname *name,
2317               abi_long arg0, abi_long arg1, abi_long arg2,
2318               abi_long arg3, abi_long arg4, abi_long arg5)
2319 {
2320     const char *whence = "UNKNOWN";
2321     print_syscall_prologue(name);
2322     print_raw_param("%d", arg0, 0);
2323     print_raw_param("%ld", arg1, 0);
2324     print_raw_param("%ld", arg2, 0);
2325     print_pointer(arg3, 0);
2326     switch(arg4) {
2327     case SEEK_SET: whence = "SEEK_SET"; break;
2328     case SEEK_CUR: whence = "SEEK_CUR"; break;
2329     case SEEK_END: whence = "SEEK_END"; break;
2330     }
2331     qemu_log("%s", whence);
2332     print_syscall_epilogue(name);
2333 }
2334 #endif
2335 
2336 #ifdef TARGET_NR_lseek
2337 static void
2338 print_lseek(void *cpu_env, const struct syscallname *name,
2339             abi_long arg0, abi_long arg1, abi_long arg2,
2340             abi_long arg3, abi_long arg4, abi_long arg5)
2341 {
2342     print_syscall_prologue(name);
2343     print_raw_param("%d", arg0, 0);
2344     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
2345     switch (arg2) {
2346     case SEEK_SET:
2347         qemu_log("SEEK_SET"); break;
2348     case SEEK_CUR:
2349         qemu_log("SEEK_CUR"); break;
2350     case SEEK_END:
2351         qemu_log("SEEK_END"); break;
2352 #ifdef SEEK_DATA
2353     case SEEK_DATA:
2354         qemu_log("SEEK_DATA"); break;
2355 #endif
2356 #ifdef SEEK_HOLE
2357     case SEEK_HOLE:
2358         qemu_log("SEEK_HOLE"); break;
2359 #endif
2360     default:
2361         print_raw_param("%#x", arg2, 1);
2362     }
2363     print_syscall_epilogue(name);
2364 }
2365 #endif
2366 
2367 #ifdef TARGET_NR_truncate
2368 static void
2369 print_truncate(void *cpu_env, const struct syscallname *name,
2370                abi_long arg0, abi_long arg1, abi_long arg2,
2371                abi_long arg3, abi_long arg4, abi_long arg5)
2372 {
2373     print_syscall_prologue(name);
2374     print_string(arg0, 0);
2375     print_raw_param(TARGET_ABI_FMT_ld, arg1, 1);
2376     print_syscall_epilogue(name);
2377 }
2378 #endif
2379 
2380 #ifdef TARGET_NR_truncate64
2381 static void
2382 print_truncate64(void *cpu_env, const struct syscallname *name,
2383                  abi_long arg0, abi_long arg1, abi_long arg2,
2384                  abi_long arg3, abi_long arg4, abi_long arg5)
2385 {
2386     print_syscall_prologue(name);
2387     print_string(arg0, 0);
2388     if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) {
2389         arg1 = arg2;
2390         arg2 = arg3;
2391     }
2392     print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1);
2393     print_syscall_epilogue(name);
2394 }
2395 #endif
2396 
2397 #ifdef TARGET_NR_ftruncate64
2398 static void
2399 print_ftruncate64(void *cpu_env, const struct syscallname *name,
2400                   abi_long arg0, abi_long arg1, abi_long arg2,
2401                   abi_long arg3, abi_long arg4, abi_long arg5)
2402 {
2403     print_syscall_prologue(name);
2404     print_raw_param("%d", arg0, 0);
2405     if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) {
2406         arg1 = arg2;
2407         arg2 = arg3;
2408     }
2409     print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1);
2410     print_syscall_epilogue(name);
2411 }
2412 #endif
2413 
2414 #ifdef TARGET_NR_mlockall
2415 static void
2416 print_mlockall(void *cpu_env, const struct syscallname *name,
2417                abi_long arg0, abi_long arg1, abi_long arg2,
2418                abi_long arg3, abi_long arg4, abi_long arg5)
2419 {
2420     print_syscall_prologue(name);
2421     print_flags(mlockall_flags, arg0, 1);
2422     print_syscall_epilogue(name);
2423 }
2424 #endif
2425 
2426 #if defined(TARGET_NR_socket)
2427 static void
2428 print_socket(void *cpu_env, const struct syscallname *name,
2429              abi_long arg0, abi_long arg1, abi_long arg2,
2430              abi_long arg3, abi_long arg4, abi_long arg5)
2431 {
2432     abi_ulong domain = arg0, type = arg1, protocol = arg2;
2433 
2434     print_syscall_prologue(name);
2435     print_socket_domain(domain);
2436     qemu_log(",");
2437     print_socket_type(type);
2438     qemu_log(",");
2439     if (domain == AF_PACKET ||
2440         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
2441         protocol = tswap16(protocol);
2442     }
2443     print_socket_protocol(domain, type, protocol);
2444     print_syscall_epilogue(name);
2445 }
2446 
2447 #endif
2448 
2449 #if defined(TARGET_NR_socketcall) || defined(TARGET_NR_bind)
2450 
2451 static void print_sockfd(abi_long sockfd, int last)
2452 {
2453     print_raw_param(TARGET_ABI_FMT_ld, sockfd, last);
2454 }
2455 
2456 #endif
2457 
2458 #if defined(TARGET_NR_socketcall)
2459 
2460 #define get_user_ualx(x, gaddr, idx) \
2461         get_user_ual(x, (gaddr) + (idx) * sizeof(abi_long))
2462 
2463 static void do_print_socket(const char *name, abi_long arg1)
2464 {
2465     abi_ulong domain, type, protocol;
2466 
2467     get_user_ualx(domain, arg1, 0);
2468     get_user_ualx(type, arg1, 1);
2469     get_user_ualx(protocol, arg1, 2);
2470     qemu_log("%s(", name);
2471     print_socket_domain(domain);
2472     qemu_log(",");
2473     print_socket_type(type);
2474     qemu_log(",");
2475     if (domain == AF_PACKET ||
2476         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
2477         protocol = tswap16(protocol);
2478     }
2479     print_socket_protocol(domain, type, protocol);
2480     qemu_log(")");
2481 }
2482 
2483 static void do_print_sockaddr(const char *name, abi_long arg1)
2484 {
2485     abi_ulong sockfd, addr, addrlen;
2486 
2487     get_user_ualx(sockfd, arg1, 0);
2488     get_user_ualx(addr, arg1, 1);
2489     get_user_ualx(addrlen, arg1, 2);
2490 
2491     qemu_log("%s(", name);
2492     print_sockfd(sockfd, 0);
2493     print_sockaddr(addr, addrlen, 0);
2494     qemu_log(")");
2495 }
2496 
2497 static void do_print_listen(const char *name, abi_long arg1)
2498 {
2499     abi_ulong sockfd, backlog;
2500 
2501     get_user_ualx(sockfd, arg1, 0);
2502     get_user_ualx(backlog, arg1, 1);
2503 
2504     qemu_log("%s(", name);
2505     print_sockfd(sockfd, 0);
2506     print_raw_param(TARGET_ABI_FMT_ld, backlog, 1);
2507     qemu_log(")");
2508 }
2509 
2510 static void do_print_socketpair(const char *name, abi_long arg1)
2511 {
2512     abi_ulong domain, type, protocol, tab;
2513 
2514     get_user_ualx(domain, arg1, 0);
2515     get_user_ualx(type, arg1, 1);
2516     get_user_ualx(protocol, arg1, 2);
2517     get_user_ualx(tab, arg1, 3);
2518 
2519     qemu_log("%s(", name);
2520     print_socket_domain(domain);
2521     qemu_log(",");
2522     print_socket_type(type);
2523     qemu_log(",");
2524     print_socket_protocol(domain, type, protocol);
2525     qemu_log(",");
2526     print_raw_param(TARGET_ABI_FMT_lx, tab, 1);
2527     qemu_log(")");
2528 }
2529 
2530 static void do_print_sendrecv(const char *name, abi_long arg1)
2531 {
2532     abi_ulong sockfd, msg, len, flags;
2533 
2534     get_user_ualx(sockfd, arg1, 0);
2535     get_user_ualx(msg, arg1, 1);
2536     get_user_ualx(len, arg1, 2);
2537     get_user_ualx(flags, arg1, 3);
2538 
2539     qemu_log("%s(", name);
2540     print_sockfd(sockfd, 0);
2541     print_buf(msg, len, 0);
2542     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
2543     print_flags(msg_flags, flags, 1);
2544     qemu_log(")");
2545 }
2546 
2547 static void do_print_msgaddr(const char *name, abi_long arg1)
2548 {
2549     abi_ulong sockfd, msg, len, flags, addr, addrlen;
2550 
2551     get_user_ualx(sockfd, arg1, 0);
2552     get_user_ualx(msg, arg1, 1);
2553     get_user_ualx(len, arg1, 2);
2554     get_user_ualx(flags, arg1, 3);
2555     get_user_ualx(addr, arg1, 4);
2556     get_user_ualx(addrlen, arg1, 5);
2557 
2558     qemu_log("%s(", name);
2559     print_sockfd(sockfd, 0);
2560     print_buf(msg, len, 0);
2561     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
2562     print_flags(msg_flags, flags, 0);
2563     print_sockaddr(addr, addrlen, 0);
2564     qemu_log(")");
2565 }
2566 
2567 static void do_print_shutdown(const char *name, abi_long arg1)
2568 {
2569     abi_ulong sockfd, how;
2570 
2571     get_user_ualx(sockfd, arg1, 0);
2572     get_user_ualx(how, arg1, 1);
2573 
2574     qemu_log("shutdown(");
2575     print_sockfd(sockfd, 0);
2576     switch (how) {
2577     case SHUT_RD:
2578         qemu_log("SHUT_RD");
2579         break;
2580     case SHUT_WR:
2581         qemu_log("SHUT_WR");
2582         break;
2583     case SHUT_RDWR:
2584         qemu_log("SHUT_RDWR");
2585         break;
2586     default:
2587         print_raw_param(TARGET_ABI_FMT_ld, how, 1);
2588         break;
2589     }
2590     qemu_log(")");
2591 }
2592 
2593 static void do_print_msg(const char *name, abi_long arg1)
2594 {
2595     abi_ulong sockfd, msg, flags;
2596 
2597     get_user_ualx(sockfd, arg1, 0);
2598     get_user_ualx(msg, arg1, 1);
2599     get_user_ualx(flags, arg1, 2);
2600 
2601     qemu_log("%s(", name);
2602     print_sockfd(sockfd, 0);
2603     print_pointer(msg, 0);
2604     print_flags(msg_flags, flags, 1);
2605     qemu_log(")");
2606 }
2607 
2608 static void do_print_sockopt(const char *name, abi_long arg1)
2609 {
2610     abi_ulong sockfd, level, optname, optval, optlen;
2611 
2612     get_user_ualx(sockfd, arg1, 0);
2613     get_user_ualx(level, arg1, 1);
2614     get_user_ualx(optname, arg1, 2);
2615     get_user_ualx(optval, arg1, 3);
2616     get_user_ualx(optlen, arg1, 4);
2617 
2618     qemu_log("%s(", name);
2619     print_sockfd(sockfd, 0);
2620     switch (level) {
2621     case SOL_TCP:
2622         qemu_log("SOL_TCP,");
2623         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2624         print_pointer(optval, 0);
2625         break;
2626     case SOL_IP:
2627         qemu_log("SOL_IP,");
2628         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2629         print_pointer(optval, 0);
2630         break;
2631     case SOL_RAW:
2632         qemu_log("SOL_RAW,");
2633         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2634         print_pointer(optval, 0);
2635         break;
2636     case TARGET_SOL_SOCKET:
2637         qemu_log("SOL_SOCKET,");
2638         switch (optname) {
2639         case TARGET_SO_DEBUG:
2640             qemu_log("SO_DEBUG,");
2641 print_optint:
2642             print_number(optval, 0);
2643             break;
2644         case TARGET_SO_REUSEADDR:
2645             qemu_log("SO_REUSEADDR,");
2646             goto print_optint;
2647         case TARGET_SO_REUSEPORT:
2648             qemu_log("SO_REUSEPORT,");
2649             goto print_optint;
2650         case TARGET_SO_TYPE:
2651             qemu_log("SO_TYPE,");
2652             goto print_optint;
2653         case TARGET_SO_ERROR:
2654             qemu_log("SO_ERROR,");
2655             goto print_optint;
2656         case TARGET_SO_DONTROUTE:
2657             qemu_log("SO_DONTROUTE,");
2658             goto print_optint;
2659         case TARGET_SO_BROADCAST:
2660             qemu_log("SO_BROADCAST,");
2661             goto print_optint;
2662         case TARGET_SO_SNDBUF:
2663             qemu_log("SO_SNDBUF,");
2664             goto print_optint;
2665         case TARGET_SO_RCVBUF:
2666             qemu_log("SO_RCVBUF,");
2667             goto print_optint;
2668         case TARGET_SO_KEEPALIVE:
2669             qemu_log("SO_KEEPALIVE,");
2670             goto print_optint;
2671         case TARGET_SO_OOBINLINE:
2672             qemu_log("SO_OOBINLINE,");
2673             goto print_optint;
2674         case TARGET_SO_NO_CHECK:
2675             qemu_log("SO_NO_CHECK,");
2676             goto print_optint;
2677         case TARGET_SO_PRIORITY:
2678             qemu_log("SO_PRIORITY,");
2679             goto print_optint;
2680         case TARGET_SO_BSDCOMPAT:
2681             qemu_log("SO_BSDCOMPAT,");
2682             goto print_optint;
2683         case TARGET_SO_PASSCRED:
2684             qemu_log("SO_PASSCRED,");
2685             goto print_optint;
2686         case TARGET_SO_TIMESTAMP:
2687             qemu_log("SO_TIMESTAMP,");
2688             goto print_optint;
2689         case TARGET_SO_RCVLOWAT:
2690             qemu_log("SO_RCVLOWAT,");
2691             goto print_optint;
2692         case TARGET_SO_RCVTIMEO:
2693             qemu_log("SO_RCVTIMEO,");
2694             print_timeval(optval, 0);
2695             break;
2696         case TARGET_SO_SNDTIMEO:
2697             qemu_log("SO_SNDTIMEO,");
2698             print_timeval(optval, 0);
2699             break;
2700         case TARGET_SO_ATTACH_FILTER: {
2701             struct target_sock_fprog *fprog;
2702 
2703             qemu_log("SO_ATTACH_FILTER,");
2704 
2705             if (lock_user_struct(VERIFY_READ, fprog, optval,  0)) {
2706                 struct target_sock_filter *filter;
2707                 qemu_log("{");
2708                 if (lock_user_struct(VERIFY_READ, filter,
2709                                      tswapal(fprog->filter),  0)) {
2710                     int i;
2711                     for (i = 0; i < tswap16(fprog->len) - 1; i++) {
2712                         qemu_log("[%d]{0x%x,%d,%d,0x%x},",
2713                                  i, tswap16(filter[i].code),
2714                                  filter[i].jt, filter[i].jf,
2715                                  tswap32(filter[i].k));
2716                     }
2717                     qemu_log("[%d]{0x%x,%d,%d,0x%x}",
2718                              i, tswap16(filter[i].code),
2719                              filter[i].jt, filter[i].jf,
2720                              tswap32(filter[i].k));
2721                 } else {
2722                     qemu_log(TARGET_ABI_FMT_lx, tswapal(fprog->filter));
2723                 }
2724                 qemu_log(",%d},", tswap16(fprog->len));
2725                 unlock_user(fprog, optval, 0);
2726             } else {
2727                 print_pointer(optval, 0);
2728             }
2729             break;
2730         }
2731         default:
2732             print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2733             print_pointer(optval, 0);
2734             break;
2735         }
2736         break;
2737     default:
2738         print_raw_param(TARGET_ABI_FMT_ld, level, 0);
2739         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
2740         print_pointer(optval, 0);
2741         break;
2742     }
2743     print_raw_param(TARGET_ABI_FMT_ld, optlen, 1);
2744     qemu_log(")");
2745 }
2746 
2747 #define PRINT_SOCKOP(name, func) \
2748     [TARGET_SYS_##name] = { #name, func }
2749 
2750 static struct {
2751     const char *name;
2752     void (*print)(const char *, abi_long);
2753 } scall[] = {
2754     PRINT_SOCKOP(SOCKET, do_print_socket),
2755     PRINT_SOCKOP(BIND, do_print_sockaddr),
2756     PRINT_SOCKOP(CONNECT, do_print_sockaddr),
2757     PRINT_SOCKOP(LISTEN, do_print_listen),
2758     PRINT_SOCKOP(ACCEPT, do_print_sockaddr),
2759     PRINT_SOCKOP(GETSOCKNAME, do_print_sockaddr),
2760     PRINT_SOCKOP(GETPEERNAME, do_print_sockaddr),
2761     PRINT_SOCKOP(SOCKETPAIR, do_print_socketpair),
2762     PRINT_SOCKOP(SEND, do_print_sendrecv),
2763     PRINT_SOCKOP(RECV, do_print_sendrecv),
2764     PRINT_SOCKOP(SENDTO, do_print_msgaddr),
2765     PRINT_SOCKOP(RECVFROM, do_print_msgaddr),
2766     PRINT_SOCKOP(SHUTDOWN, do_print_shutdown),
2767     PRINT_SOCKOP(SETSOCKOPT, do_print_sockopt),
2768     PRINT_SOCKOP(GETSOCKOPT, do_print_sockopt),
2769     PRINT_SOCKOP(SENDMSG, do_print_msg),
2770     PRINT_SOCKOP(RECVMSG, do_print_msg),
2771     PRINT_SOCKOP(ACCEPT4, NULL),
2772     PRINT_SOCKOP(RECVMMSG, NULL),
2773     PRINT_SOCKOP(SENDMMSG, NULL),
2774 };
2775 
2776 static void
2777 print_socketcall(void *cpu_env, const struct syscallname *name,
2778                  abi_long arg0, abi_long arg1, abi_long arg2,
2779                  abi_long arg3, abi_long arg4, abi_long arg5)
2780 {
2781     if (arg0 >= 0 && arg0 < ARRAY_SIZE(scall) && scall[arg0].print) {
2782         scall[arg0].print(scall[arg0].name, arg1);
2783         return;
2784     }
2785     print_syscall_prologue(name);
2786     print_raw_param(TARGET_ABI_FMT_ld, arg0, 0);
2787     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
2788     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
2789     print_raw_param(TARGET_ABI_FMT_ld, arg3, 0);
2790     print_raw_param(TARGET_ABI_FMT_ld, arg4, 0);
2791     print_raw_param(TARGET_ABI_FMT_ld, arg5, 0);
2792     print_syscall_epilogue(name);
2793 }
2794 #endif
2795 
2796 #if defined(TARGET_NR_bind)
2797 static void
2798 print_bind(void *cpu_env, const struct syscallname *name,
2799            abi_long arg0, abi_long arg1, abi_long arg2,
2800            abi_long arg3, abi_long arg4, abi_long arg5)
2801 {
2802     print_syscall_prologue(name);
2803     print_sockfd(arg0, 0);
2804     print_sockaddr(arg1, arg2, 1);
2805     print_syscall_epilogue(name);
2806 }
2807 #endif
2808 
2809 #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
2810     defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
2811 static void
2812 print_stat(void *cpu_env, const struct syscallname *name,
2813            abi_long arg0, abi_long arg1, abi_long arg2,
2814            abi_long arg3, abi_long arg4, abi_long arg5)
2815 {
2816     print_syscall_prologue(name);
2817     print_string(arg0, 0);
2818     print_pointer(arg1, 1);
2819     print_syscall_epilogue(name);
2820 }
2821 #define print_lstat     print_stat
2822 #define print_stat64	print_stat
2823 #define print_lstat64   print_stat
2824 #endif
2825 
2826 #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
2827 static void
2828 print_fstat(void *cpu_env, const struct syscallname *name,
2829             abi_long arg0, abi_long arg1, abi_long arg2,
2830             abi_long arg3, abi_long arg4, abi_long arg5)
2831 {
2832     print_syscall_prologue(name);
2833     print_raw_param("%d", arg0, 0);
2834     print_pointer(arg1, 1);
2835     print_syscall_epilogue(name);
2836 }
2837 #define print_fstat64     print_fstat
2838 #endif
2839 
2840 #ifdef TARGET_NR_mkdir
2841 static void
2842 print_mkdir(void *cpu_env, const struct syscallname *name,
2843             abi_long arg0, abi_long arg1, abi_long arg2,
2844             abi_long arg3, abi_long arg4, abi_long arg5)
2845 {
2846     print_syscall_prologue(name);
2847     print_string(arg0, 0);
2848     print_file_mode(arg1, 1);
2849     print_syscall_epilogue(name);
2850 }
2851 #endif
2852 
2853 #ifdef TARGET_NR_mkdirat
2854 static void
2855 print_mkdirat(void *cpu_env, const struct syscallname *name,
2856               abi_long arg0, abi_long arg1, abi_long arg2,
2857               abi_long arg3, abi_long arg4, abi_long arg5)
2858 {
2859     print_syscall_prologue(name);
2860     print_at_dirfd(arg0, 0);
2861     print_string(arg1, 0);
2862     print_file_mode(arg2, 1);
2863     print_syscall_epilogue(name);
2864 }
2865 #endif
2866 
2867 #ifdef TARGET_NR_rmdir
2868 static void
2869 print_rmdir(void *cpu_env, const struct syscallname *name,
2870             abi_long arg0, abi_long arg1, abi_long arg2,
2871             abi_long arg3, abi_long arg4, abi_long arg5)
2872 {
2873     print_syscall_prologue(name);
2874     print_string(arg0, 0);
2875     print_syscall_epilogue(name);
2876 }
2877 #endif
2878 
2879 #ifdef TARGET_NR_rt_sigaction
2880 static void
2881 print_rt_sigaction(void *cpu_env, const struct syscallname *name,
2882                    abi_long arg0, abi_long arg1, abi_long arg2,
2883                    abi_long arg3, abi_long arg4, abi_long arg5)
2884 {
2885     print_syscall_prologue(name);
2886     print_signal(arg0, 0);
2887     print_pointer(arg1, 0);
2888     print_pointer(arg2, 1);
2889     print_syscall_epilogue(name);
2890 }
2891 #endif
2892 
2893 #ifdef TARGET_NR_rt_sigprocmask
2894 static void
2895 print_rt_sigprocmask(void *cpu_env, const struct syscallname *name,
2896                      abi_long arg0, abi_long arg1, abi_long arg2,
2897                      abi_long arg3, abi_long arg4, abi_long arg5)
2898 {
2899     const char *how = "UNKNOWN";
2900     print_syscall_prologue(name);
2901     switch(arg0) {
2902     case TARGET_SIG_BLOCK: how = "SIG_BLOCK"; break;
2903     case TARGET_SIG_UNBLOCK: how = "SIG_UNBLOCK"; break;
2904     case TARGET_SIG_SETMASK: how = "SIG_SETMASK"; break;
2905     }
2906     qemu_log("%s,", how);
2907     print_pointer(arg1, 0);
2908     print_pointer(arg2, 1);
2909     print_syscall_epilogue(name);
2910 }
2911 #endif
2912 
2913 #ifdef TARGET_NR_rt_sigqueueinfo
2914 static void
2915 print_rt_sigqueueinfo(void *cpu_env, const struct syscallname *name,
2916                       abi_long arg0, abi_long arg1, abi_long arg2,
2917                       abi_long arg3, abi_long arg4, abi_long arg5)
2918 {
2919     void *p;
2920     target_siginfo_t uinfo;
2921 
2922     print_syscall_prologue(name);
2923     print_raw_param("%d", arg0, 0);
2924     print_signal(arg1, 0);
2925     p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1);
2926     if (p) {
2927         get_target_siginfo(&uinfo, p);
2928         print_siginfo(&uinfo);
2929 
2930         unlock_user(p, arg2, 0);
2931     } else {
2932         print_pointer(arg2, 1);
2933     }
2934     print_syscall_epilogue(name);
2935 }
2936 #endif
2937 
2938 #ifdef TARGET_NR_rt_tgsigqueueinfo
2939 static void
2940 print_rt_tgsigqueueinfo(void *cpu_env, const struct syscallname *name,
2941                         abi_long arg0, abi_long arg1, abi_long arg2,
2942                         abi_long arg3, abi_long arg4, abi_long arg5)
2943 {
2944     void *p;
2945     target_siginfo_t uinfo;
2946 
2947     print_syscall_prologue(name);
2948     print_raw_param("%d", arg0, 0);
2949     print_raw_param("%d", arg1, 0);
2950     print_signal(arg2, 0);
2951     p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
2952     if (p) {
2953         get_target_siginfo(&uinfo, p);
2954         print_siginfo(&uinfo);
2955 
2956         unlock_user(p, arg3, 0);
2957     } else {
2958         print_pointer(arg3, 1);
2959     }
2960     print_syscall_epilogue(name);
2961 }
2962 #endif
2963 
2964 #ifdef TARGET_NR_syslog
2965 static void
2966 print_syslog_action(abi_ulong arg, int last)
2967 {
2968     const char *type;
2969 
2970     switch (arg) {
2971         case TARGET_SYSLOG_ACTION_CLOSE: {
2972             type = "SYSLOG_ACTION_CLOSE";
2973             break;
2974         }
2975         case TARGET_SYSLOG_ACTION_OPEN: {
2976             type = "SYSLOG_ACTION_OPEN";
2977             break;
2978         }
2979         case TARGET_SYSLOG_ACTION_READ: {
2980             type = "SYSLOG_ACTION_READ";
2981             break;
2982         }
2983         case TARGET_SYSLOG_ACTION_READ_ALL: {
2984             type = "SYSLOG_ACTION_READ_ALL";
2985             break;
2986         }
2987         case TARGET_SYSLOG_ACTION_READ_CLEAR: {
2988             type = "SYSLOG_ACTION_READ_CLEAR";
2989             break;
2990         }
2991         case TARGET_SYSLOG_ACTION_CLEAR: {
2992             type = "SYSLOG_ACTION_CLEAR";
2993             break;
2994         }
2995         case TARGET_SYSLOG_ACTION_CONSOLE_OFF: {
2996             type = "SYSLOG_ACTION_CONSOLE_OFF";
2997             break;
2998         }
2999         case TARGET_SYSLOG_ACTION_CONSOLE_ON: {
3000             type = "SYSLOG_ACTION_CONSOLE_ON";
3001             break;
3002         }
3003         case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: {
3004             type = "SYSLOG_ACTION_CONSOLE_LEVEL";
3005             break;
3006         }
3007         case TARGET_SYSLOG_ACTION_SIZE_UNREAD: {
3008             type = "SYSLOG_ACTION_SIZE_UNREAD";
3009             break;
3010         }
3011         case TARGET_SYSLOG_ACTION_SIZE_BUFFER: {
3012             type = "SYSLOG_ACTION_SIZE_BUFFER";
3013             break;
3014         }
3015         default: {
3016             print_raw_param("%ld", arg, last);
3017             return;
3018         }
3019     }
3020     qemu_log("%s%s", type, get_comma(last));
3021 }
3022 
3023 static void
3024 print_syslog(void *cpu_env, const struct syscallname *name,
3025              abi_long arg0, abi_long arg1, abi_long arg2,
3026              abi_long arg3, abi_long arg4, abi_long arg5)
3027 {
3028     print_syscall_prologue(name);
3029     print_syslog_action(arg0, 0);
3030     print_pointer(arg1, 0);
3031     print_raw_param("%d", arg2, 1);
3032     print_syscall_epilogue(name);
3033 }
3034 #endif
3035 
3036 #ifdef TARGET_NR_mknod
3037 static void
3038 print_mknod(void *cpu_env, const struct syscallname *name,
3039             abi_long arg0, abi_long arg1, abi_long arg2,
3040             abi_long arg3, abi_long arg4, abi_long arg5)
3041 {
3042     int hasdev = (arg1 & (S_IFCHR|S_IFBLK));
3043 
3044     print_syscall_prologue(name);
3045     print_string(arg0, 0);
3046     print_file_mode(arg1, (hasdev == 0));
3047     if (hasdev) {
3048         print_raw_param("makedev(%d", major(arg2), 0);
3049         print_raw_param("%d)", minor(arg2), 1);
3050     }
3051     print_syscall_epilogue(name);
3052 }
3053 #endif
3054 
3055 #ifdef TARGET_NR_mknodat
3056 static void
3057 print_mknodat(void *cpu_env, const struct syscallname *name,
3058               abi_long arg0, abi_long arg1, abi_long arg2,
3059               abi_long arg3, abi_long arg4, abi_long arg5)
3060 {
3061     int hasdev = (arg2 & (S_IFCHR|S_IFBLK));
3062 
3063     print_syscall_prologue(name);
3064     print_at_dirfd(arg0, 0);
3065     print_string(arg1, 0);
3066     print_file_mode(arg2, (hasdev == 0));
3067     if (hasdev) {
3068         print_raw_param("makedev(%d", major(arg3), 0);
3069         print_raw_param("%d)", minor(arg3), 1);
3070     }
3071     print_syscall_epilogue(name);
3072 }
3073 #endif
3074 
3075 #ifdef TARGET_NR_mq_open
3076 static void
3077 print_mq_open(void *cpu_env, const struct syscallname *name,
3078               abi_long arg0, abi_long arg1, abi_long arg2,
3079               abi_long arg3, abi_long arg4, abi_long arg5)
3080 {
3081     int is_creat = (arg1 & TARGET_O_CREAT);
3082 
3083     print_syscall_prologue(name);
3084     print_string(arg0, 0);
3085     print_open_flags(arg1, (is_creat == 0));
3086     if (is_creat) {
3087         print_file_mode(arg2, 0);
3088         print_pointer(arg3, 1);
3089     }
3090     print_syscall_epilogue(name);
3091 }
3092 #endif
3093 
3094 #ifdef TARGET_NR_open
3095 static void
3096 print_open(void *cpu_env, const struct syscallname *name,
3097            abi_long arg0, abi_long arg1, abi_long arg2,
3098            abi_long arg3, abi_long arg4, abi_long arg5)
3099 {
3100     int is_creat = (arg1 & TARGET_O_CREAT);
3101 
3102     print_syscall_prologue(name);
3103     print_string(arg0, 0);
3104     print_open_flags(arg1, (is_creat == 0));
3105     if (is_creat)
3106         print_file_mode(arg2, 1);
3107     print_syscall_epilogue(name);
3108 }
3109 #endif
3110 
3111 #ifdef TARGET_NR_openat
3112 static void
3113 print_openat(void *cpu_env, const struct syscallname *name,
3114              abi_long arg0, abi_long arg1, abi_long arg2,
3115              abi_long arg3, abi_long arg4, abi_long arg5)
3116 {
3117     int is_creat = (arg2 & TARGET_O_CREAT);
3118 
3119     print_syscall_prologue(name);
3120     print_at_dirfd(arg0, 0);
3121     print_string(arg1, 0);
3122     print_open_flags(arg2, (is_creat == 0));
3123     if (is_creat)
3124         print_file_mode(arg3, 1);
3125     print_syscall_epilogue(name);
3126 }
3127 #endif
3128 
3129 #ifdef TARGET_NR_mq_unlink
3130 static void
3131 print_mq_unlink(void *cpu_env, const struct syscallname *name,
3132                 abi_long arg0, abi_long arg1, abi_long arg2,
3133                 abi_long arg3, abi_long arg4, abi_long arg5)
3134 {
3135     print_syscall_prologue(name);
3136     print_string(arg0, 1);
3137     print_syscall_epilogue(name);
3138 }
3139 #endif
3140 
3141 #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
3142 static void
3143 print_fstatat64(void *cpu_env, const struct syscallname *name,
3144                 abi_long arg0, abi_long arg1, abi_long arg2,
3145                 abi_long arg3, abi_long arg4, abi_long arg5)
3146 {
3147     print_syscall_prologue(name);
3148     print_at_dirfd(arg0, 0);
3149     print_string(arg1, 0);
3150     print_pointer(arg2, 0);
3151     print_flags(at_file_flags, arg3, 1);
3152     print_syscall_epilogue(name);
3153 }
3154 #define print_newfstatat    print_fstatat64
3155 #endif
3156 
3157 #ifdef TARGET_NR_readlink
3158 static void
3159 print_readlink(void *cpu_env, const struct syscallname *name,
3160                abi_long arg0, abi_long arg1, abi_long arg2,
3161                abi_long arg3, abi_long arg4, abi_long arg5)
3162 {
3163     print_syscall_prologue(name);
3164     print_string(arg0, 0);
3165     print_pointer(arg1, 0);
3166     print_raw_param("%u", arg2, 1);
3167     print_syscall_epilogue(name);
3168 }
3169 #endif
3170 
3171 #ifdef TARGET_NR_readlinkat
3172 static void
3173 print_readlinkat(void *cpu_env, const struct syscallname *name,
3174                  abi_long arg0, abi_long arg1, abi_long arg2,
3175                  abi_long arg3, abi_long arg4, abi_long arg5)
3176 {
3177     print_syscall_prologue(name);
3178     print_at_dirfd(arg0, 0);
3179     print_string(arg1, 0);
3180     print_pointer(arg2, 0);
3181     print_raw_param("%u", arg3, 1);
3182     print_syscall_epilogue(name);
3183 }
3184 #endif
3185 
3186 #ifdef TARGET_NR_rename
3187 static void
3188 print_rename(void *cpu_env, const struct syscallname *name,
3189              abi_long arg0, abi_long arg1, abi_long arg2,
3190              abi_long arg3, abi_long arg4, abi_long arg5)
3191 {
3192     print_syscall_prologue(name);
3193     print_string(arg0, 0);
3194     print_string(arg1, 1);
3195     print_syscall_epilogue(name);
3196 }
3197 #endif
3198 
3199 #ifdef TARGET_NR_renameat
3200 static void
3201 print_renameat(void *cpu_env, const struct syscallname *name,
3202                abi_long arg0, abi_long arg1, abi_long arg2,
3203                abi_long arg3, abi_long arg4, abi_long arg5)
3204 {
3205     print_syscall_prologue(name);
3206     print_at_dirfd(arg0, 0);
3207     print_string(arg1, 0);
3208     print_at_dirfd(arg2, 0);
3209     print_string(arg3, 1);
3210     print_syscall_epilogue(name);
3211 }
3212 #endif
3213 
3214 #ifdef TARGET_NR_statfs
3215 static void
3216 print_statfs(void *cpu_env, const struct syscallname *name,
3217              abi_long arg0, abi_long arg1, abi_long arg2,
3218              abi_long arg3, abi_long arg4, abi_long arg5)
3219 {
3220     print_syscall_prologue(name);
3221     print_string(arg0, 0);
3222     print_pointer(arg1, 1);
3223     print_syscall_epilogue(name);
3224 }
3225 #endif
3226 
3227 #ifdef TARGET_NR_statfs64
3228 static void
3229 print_statfs64(void *cpu_env, const struct syscallname *name,
3230                abi_long arg0, abi_long arg1, abi_long arg2,
3231                abi_long arg3, abi_long arg4, abi_long arg5)
3232 {
3233     print_syscall_prologue(name);
3234     print_string(arg0, 0);
3235     print_pointer(arg1, 1);
3236     print_syscall_epilogue(name);
3237 }
3238 #endif
3239 
3240 #ifdef TARGET_NR_symlink
3241 static void
3242 print_symlink(void *cpu_env, const struct syscallname *name,
3243               abi_long arg0, abi_long arg1, abi_long arg2,
3244               abi_long arg3, abi_long arg4, abi_long arg5)
3245 {
3246     print_syscall_prologue(name);
3247     print_string(arg0, 0);
3248     print_string(arg1, 1);
3249     print_syscall_epilogue(name);
3250 }
3251 #endif
3252 
3253 #ifdef TARGET_NR_symlinkat
3254 static void
3255 print_symlinkat(void *cpu_env, const struct syscallname *name,
3256                 abi_long arg0, abi_long arg1, abi_long arg2,
3257                 abi_long arg3, abi_long arg4, abi_long arg5)
3258 {
3259     print_syscall_prologue(name);
3260     print_string(arg0, 0);
3261     print_at_dirfd(arg1, 0);
3262     print_string(arg2, 1);
3263     print_syscall_epilogue(name);
3264 }
3265 #endif
3266 
3267 #ifdef TARGET_NR_mount
3268 static void
3269 print_mount(void *cpu_env, const struct syscallname *name,
3270             abi_long arg0, abi_long arg1, abi_long arg2,
3271             abi_long arg3, abi_long arg4, abi_long arg5)
3272 {
3273     print_syscall_prologue(name);
3274     print_string(arg0, 0);
3275     print_string(arg1, 0);
3276     print_string(arg2, 0);
3277     print_flags(mount_flags, arg3, 0);
3278     print_pointer(arg4, 1);
3279     print_syscall_epilogue(name);
3280 }
3281 #endif
3282 
3283 #ifdef TARGET_NR_umount
3284 static void
3285 print_umount(void *cpu_env, const struct syscallname *name,
3286              abi_long arg0, abi_long arg1, abi_long arg2,
3287              abi_long arg3, abi_long arg4, abi_long arg5)
3288 {
3289     print_syscall_prologue(name);
3290     print_string(arg0, 1);
3291     print_syscall_epilogue(name);
3292 }
3293 #endif
3294 
3295 #ifdef TARGET_NR_umount2
3296 static void
3297 print_umount2(void *cpu_env, const struct syscallname *name,
3298               abi_long arg0, abi_long arg1, abi_long arg2,
3299               abi_long arg3, abi_long arg4, abi_long arg5)
3300 {
3301     print_syscall_prologue(name);
3302     print_string(arg0, 0);
3303     print_flags(umount2_flags, arg1, 1);
3304     print_syscall_epilogue(name);
3305 }
3306 #endif
3307 
3308 #ifdef TARGET_NR_unlink
3309 static void
3310 print_unlink(void *cpu_env, const struct syscallname *name,
3311              abi_long arg0, abi_long arg1, abi_long arg2,
3312              abi_long arg3, abi_long arg4, abi_long arg5)
3313 {
3314     print_syscall_prologue(name);
3315     print_string(arg0, 1);
3316     print_syscall_epilogue(name);
3317 }
3318 #endif
3319 
3320 #ifdef TARGET_NR_unlinkat
3321 static void
3322 print_unlinkat(void *cpu_env, const struct syscallname *name,
3323                abi_long arg0, abi_long arg1, abi_long arg2,
3324                abi_long arg3, abi_long arg4, abi_long arg5)
3325 {
3326     print_syscall_prologue(name);
3327     print_at_dirfd(arg0, 0);
3328     print_string(arg1, 0);
3329     print_flags(unlinkat_flags, arg2, 1);
3330     print_syscall_epilogue(name);
3331 }
3332 #endif
3333 
3334 #ifdef TARGET_NR_utime
3335 static void
3336 print_utime(void *cpu_env, const struct syscallname *name,
3337             abi_long arg0, abi_long arg1, abi_long arg2,
3338             abi_long arg3, abi_long arg4, abi_long arg5)
3339 {
3340     print_syscall_prologue(name);
3341     print_string(arg0, 0);
3342     print_pointer(arg1, 1);
3343     print_syscall_epilogue(name);
3344 }
3345 #endif
3346 
3347 #ifdef TARGET_NR_utimes
3348 static void
3349 print_utimes(void *cpu_env, const struct syscallname *name,
3350              abi_long arg0, abi_long arg1, abi_long arg2,
3351              abi_long arg3, abi_long arg4, abi_long arg5)
3352 {
3353     print_syscall_prologue(name);
3354     print_string(arg0, 0);
3355     print_pointer(arg1, 1);
3356     print_syscall_epilogue(name);
3357 }
3358 #endif
3359 
3360 #ifdef TARGET_NR_utimensat
3361 static void
3362 print_utimensat(void *cpu_env, const struct syscallname *name,
3363                 abi_long arg0, abi_long arg1, abi_long arg2,
3364                 abi_long arg3, abi_long arg4, abi_long arg5)
3365 {
3366     print_syscall_prologue(name);
3367     print_at_dirfd(arg0, 0);
3368     print_string(arg1, 0);
3369     print_pointer(arg2, 0);
3370     print_flags(at_file_flags, arg3, 1);
3371     print_syscall_epilogue(name);
3372 }
3373 #endif
3374 
3375 #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2)
3376 static void
3377 print_mmap(void *cpu_env, const struct syscallname *name,
3378            abi_long arg0, abi_long arg1, abi_long arg2,
3379            abi_long arg3, abi_long arg4, abi_long arg5)
3380 {
3381     print_syscall_prologue(name);
3382     print_pointer(arg0, 0);
3383     print_raw_param("%d", arg1, 0);
3384     print_flags(mmap_prot_flags, arg2, 0);
3385     print_flags(mmap_flags, arg3, 0);
3386     print_raw_param("%d", arg4, 0);
3387     print_raw_param("%#x", arg5, 1);
3388     print_syscall_epilogue(name);
3389 }
3390 #define print_mmap2     print_mmap
3391 #endif
3392 
3393 #ifdef TARGET_NR_mprotect
3394 static void
3395 print_mprotect(void *cpu_env, const struct syscallname *name,
3396                abi_long arg0, abi_long arg1, abi_long arg2,
3397                abi_long arg3, abi_long arg4, abi_long arg5)
3398 {
3399     print_syscall_prologue(name);
3400     print_pointer(arg0, 0);
3401     print_raw_param("%d", arg1, 0);
3402     print_flags(mmap_prot_flags, arg2, 1);
3403     print_syscall_epilogue(name);
3404 }
3405 #endif
3406 
3407 #ifdef TARGET_NR_munmap
3408 static void
3409 print_munmap(void *cpu_env, const struct syscallname *name,
3410              abi_long arg0, abi_long arg1, abi_long arg2,
3411              abi_long arg3, abi_long arg4, abi_long arg5)
3412 {
3413     print_syscall_prologue(name);
3414     print_pointer(arg0, 0);
3415     print_raw_param("%d", arg1, 1);
3416     print_syscall_epilogue(name);
3417 }
3418 #endif
3419 
3420 #ifdef TARGET_NR_futex
3421 static void print_futex_op(abi_long tflag, int last)
3422 {
3423 #define print_op(val) \
3424 if( cmd == val ) { \
3425     qemu_log(#val); \
3426     return; \
3427 }
3428 
3429     int cmd = (int)tflag;
3430 #ifdef FUTEX_PRIVATE_FLAG
3431     if (cmd & FUTEX_PRIVATE_FLAG) {
3432         qemu_log("FUTEX_PRIVATE_FLAG|");
3433         cmd &= ~FUTEX_PRIVATE_FLAG;
3434     }
3435 #endif
3436 #ifdef FUTEX_CLOCK_REALTIME
3437     if (cmd & FUTEX_CLOCK_REALTIME) {
3438         qemu_log("FUTEX_CLOCK_REALTIME|");
3439         cmd &= ~FUTEX_CLOCK_REALTIME;
3440     }
3441 #endif
3442     print_op(FUTEX_WAIT)
3443     print_op(FUTEX_WAKE)
3444     print_op(FUTEX_FD)
3445     print_op(FUTEX_REQUEUE)
3446     print_op(FUTEX_CMP_REQUEUE)
3447     print_op(FUTEX_WAKE_OP)
3448     print_op(FUTEX_LOCK_PI)
3449     print_op(FUTEX_UNLOCK_PI)
3450     print_op(FUTEX_TRYLOCK_PI)
3451 #ifdef FUTEX_WAIT_BITSET
3452     print_op(FUTEX_WAIT_BITSET)
3453 #endif
3454 #ifdef FUTEX_WAKE_BITSET
3455     print_op(FUTEX_WAKE_BITSET)
3456 #endif
3457     /* unknown values */
3458     qemu_log("%d", cmd);
3459 }
3460 
3461 static void
3462 print_futex(void *cpu_env, const struct syscallname *name,
3463             abi_long arg0, abi_long arg1, abi_long arg2,
3464             abi_long arg3, abi_long arg4, abi_long arg5)
3465 {
3466     print_syscall_prologue(name);
3467     print_pointer(arg0, 0);
3468     print_futex_op(arg1, 0);
3469     print_raw_param(",%d", arg2, 0);
3470     print_pointer(arg3, 0); /* struct timespec */
3471     print_pointer(arg4, 0);
3472     print_raw_param("%d", arg4, 1);
3473     print_syscall_epilogue(name);
3474 }
3475 #endif
3476 
3477 #ifdef TARGET_NR_kill
3478 static void
3479 print_kill(void *cpu_env, const struct syscallname *name,
3480            abi_long arg0, abi_long arg1, abi_long arg2,
3481            abi_long arg3, abi_long arg4, abi_long arg5)
3482 {
3483     print_syscall_prologue(name);
3484     print_raw_param("%d", arg0, 0);
3485     print_signal(arg1, 1);
3486     print_syscall_epilogue(name);
3487 }
3488 #endif
3489 
3490 #ifdef TARGET_NR_tkill
3491 static void
3492 print_tkill(void *cpu_env, const struct syscallname *name,
3493             abi_long arg0, abi_long arg1, abi_long arg2,
3494             abi_long arg3, abi_long arg4, abi_long arg5)
3495 {
3496     print_syscall_prologue(name);
3497     print_raw_param("%d", arg0, 0);
3498     print_signal(arg1, 1);
3499     print_syscall_epilogue(name);
3500 }
3501 #endif
3502 
3503 #ifdef TARGET_NR_tgkill
3504 static void
3505 print_tgkill(void *cpu_env, const struct syscallname *name,
3506              abi_long arg0, abi_long arg1, abi_long arg2,
3507              abi_long arg3, abi_long arg4, abi_long arg5)
3508 {
3509     print_syscall_prologue(name);
3510     print_raw_param("%d", arg0, 0);
3511     print_raw_param("%d", arg1, 0);
3512     print_signal(arg2, 1);
3513     print_syscall_epilogue(name);
3514 }
3515 #endif
3516 
3517 #ifdef TARGET_NR_statx
3518 static void
3519 print_statx(void *cpu_env, const struct syscallname *name,
3520             abi_long arg0, abi_long arg1, abi_long arg2,
3521             abi_long arg3, abi_long arg4, abi_long arg5)
3522 {
3523     print_syscall_prologue(name);
3524     print_at_dirfd(arg0, 0);
3525     print_string(arg1, 0);
3526     print_flags(statx_flags, arg2, 0);
3527     print_flags(statx_mask, arg3, 0);
3528     print_pointer(arg4, 1);
3529     print_syscall_epilogue(name);
3530 }
3531 #endif
3532 
3533 #ifdef TARGET_NR_ioctl
3534 static void
3535 print_ioctl(void *cpu_env, const struct syscallname *name,
3536             abi_long arg0, abi_long arg1, abi_long arg2,
3537             abi_long arg3, abi_long arg4, abi_long arg5)
3538 {
3539     print_syscall_prologue(name);
3540     print_raw_param("%d", arg0, 0);
3541 
3542     const IOCTLEntry *ie;
3543     const argtype *arg_type;
3544     void *argptr;
3545     int target_size;
3546 
3547     for (ie = ioctl_entries; ie->target_cmd != 0; ie++) {
3548         if (ie->target_cmd == arg1) {
3549             break;
3550         }
3551     }
3552 
3553     if (ie->target_cmd == 0) {
3554         print_raw_param("%#x", arg1, 0);
3555         print_raw_param("%#x", arg2, 1);
3556     } else {
3557         qemu_log("%s", ie->name);
3558         arg_type = ie->arg_type;
3559 
3560         if (arg_type[0] != TYPE_NULL) {
3561             qemu_log(",");
3562 
3563             switch (arg_type[0]) {
3564             case TYPE_PTRVOID:
3565                 print_pointer(arg2, 1);
3566                 break;
3567             case TYPE_CHAR:
3568             case TYPE_SHORT:
3569             case TYPE_INT:
3570                 print_raw_param("%d", arg2, 1);
3571                 break;
3572             case TYPE_LONG:
3573                 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
3574                 break;
3575             case TYPE_ULONG:
3576                 print_raw_param(TARGET_ABI_FMT_lu, arg2, 1);
3577                 break;
3578             case TYPE_PTR:
3579                 switch (ie->access) {
3580                 case IOC_R:
3581                     print_pointer(arg2, 1);
3582                     break;
3583                 case IOC_W:
3584                 case IOC_RW:
3585                     arg_type++;
3586                     target_size = thunk_type_size(arg_type, 0);
3587                     argptr = lock_user(VERIFY_READ, arg2, target_size, 1);
3588                     if (argptr) {
3589                         thunk_print(argptr, arg_type);
3590                         unlock_user(argptr, arg2, target_size);
3591                     } else {
3592                         print_pointer(arg2, 1);
3593                     }
3594                     break;
3595                 }
3596                 break;
3597             default:
3598                 g_assert_not_reached();
3599             }
3600         }
3601     }
3602     print_syscall_epilogue(name);
3603 }
3604 #endif
3605 
3606 /*
3607  * An array of all of the syscalls we know about
3608  */
3609 
3610 static const struct syscallname scnames[] = {
3611 #include "strace.list"
3612 };
3613 
3614 static int nsyscalls = ARRAY_SIZE(scnames);
3615 
3616 /*
3617  * The public interface to this module.
3618  */
3619 void
3620 print_syscall(void *cpu_env, int num,
3621               abi_long arg1, abi_long arg2, abi_long arg3,
3622               abi_long arg4, abi_long arg5, abi_long arg6)
3623 {
3624     int i;
3625     const char *format="%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")";
3626 
3627     qemu_log("%d ", getpid());
3628 
3629     for(i=0;i<nsyscalls;i++)
3630         if( scnames[i].nr == num ) {
3631             if( scnames[i].call != NULL ) {
3632                 scnames[i].call(
3633                     cpu_env, &scnames[i], arg1, arg2, arg3, arg4, arg5, arg6);
3634             } else {
3635                 /* XXX: this format system is broken because it uses
3636                    host types and host pointers for strings */
3637                 if( scnames[i].format != NULL )
3638                     format = scnames[i].format;
3639                 qemu_log(format,
3640                          scnames[i].name, arg1, arg2, arg3, arg4, arg5, arg6);
3641             }
3642             return;
3643         }
3644     qemu_log("Unknown syscall %d\n", num);
3645 }
3646 
3647 
3648 void
3649 print_syscall_ret(void *cpu_env, int num, abi_long ret,
3650                   abi_long arg1, abi_long arg2, abi_long arg3,
3651                   abi_long arg4, abi_long arg5, abi_long arg6)
3652 {
3653     int i;
3654 
3655     for(i=0;i<nsyscalls;i++)
3656         if( scnames[i].nr == num ) {
3657             if( scnames[i].result != NULL ) {
3658                 scnames[i].result(cpu_env, &scnames[i], ret,
3659                                   arg1, arg2, arg3,
3660                                   arg4, arg5, arg6);
3661             } else {
3662                 if (!print_syscall_err(ret)) {
3663                     qemu_log(TARGET_ABI_FMT_ld, ret);
3664                 }
3665                 qemu_log("\n");
3666             }
3667             break;
3668         }
3669 }
3670 
3671 void print_taken_signal(int target_signum, const target_siginfo_t *tinfo)
3672 {
3673     /* Print the strace output for a signal being taken:
3674      * --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=0} ---
3675      */
3676     qemu_log("--- ");
3677     print_signal(target_signum, 1);
3678     qemu_log(" ");
3679     print_siginfo(tinfo);
3680     qemu_log(" ---\n");
3681 }
3682