xref: /openbmc/qemu/linux-user/strace.c (revision 58ea30f5)
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 <sched.h>
12 #include "qemu.h"
13 
14 int do_strace=0;
15 
16 struct syscallname {
17     int nr;
18     const char *name;
19     const char *format;
20     void (*call)(const struct syscallname *,
21                  abi_long, abi_long, abi_long,
22                  abi_long, abi_long, abi_long);
23     void (*result)(const struct syscallname *, abi_long);
24 };
25 
26 #ifdef __GNUC__
27 /*
28  * It is possible that target doesn't have syscall that uses
29  * following flags but we don't want the compiler to warn
30  * us about them being unused.  Same applies to utility print
31  * functions.  It is ok to keep them while not used.
32  */
33 #define UNUSED __attribute__ ((unused))
34 #else
35 #define UNUSED
36 #endif
37 
38 /*
39  * Structure used to translate flag values into strings.  This is
40  * similar that is in the actual strace tool.
41  */
42 struct flags {
43     abi_long    f_value;  /* flag */
44     const char  *f_string; /* stringified flag */
45 };
46 
47 /* common flags for all architectures */
48 #define FLAG_GENERIC(name) { name, #name }
49 /* target specific flags (syscall_defs.h has TARGET_<flag>) */
50 #define FLAG_TARGET(name)  { TARGET_ ## name, #name }
51 /* end of flags array */
52 #define FLAG_END           { 0, NULL }
53 
54 UNUSED static const char *get_comma(int);
55 UNUSED static void print_pointer(abi_long, int);
56 UNUSED static void print_flags(const struct flags *, abi_long, int);
57 UNUSED static void print_at_dirfd(abi_long, int);
58 UNUSED static void print_file_mode(abi_long, int);
59 UNUSED static void print_open_flags(abi_long, int);
60 UNUSED static void print_syscall_prologue(const struct syscallname *);
61 UNUSED static void print_syscall_epilogue(const struct syscallname *);
62 UNUSED static void print_string(abi_long, int);
63 UNUSED static void print_buf(abi_long addr, abi_long len, int last);
64 UNUSED static void print_raw_param(const char *, abi_long, int);
65 UNUSED static void print_timeval(abi_ulong, int);
66 UNUSED static void print_number(abi_long, int);
67 UNUSED static void print_signal(abi_ulong, int);
68 UNUSED static void print_sockaddr(abi_ulong addr, abi_long addrlen);
69 UNUSED static void print_socket_domain(int domain);
70 UNUSED static void print_socket_type(int type);
71 UNUSED static void print_socket_protocol(int domain, int type, int protocol);
72 
73 /*
74  * Utility functions
75  */
76 static void
77 print_ipc_cmd(int cmd)
78 {
79 #define output_cmd(val) \
80 if( cmd == val ) { \
81     gemu_log(#val); \
82     return; \
83 }
84 
85     cmd &= 0xff;
86 
87     /* General IPC commands */
88     output_cmd( IPC_RMID );
89     output_cmd( IPC_SET );
90     output_cmd( IPC_STAT );
91     output_cmd( IPC_INFO );
92     /* msgctl() commands */
93     output_cmd( MSG_STAT );
94     output_cmd( MSG_INFO );
95     /* shmctl() commands */
96     output_cmd( SHM_LOCK );
97     output_cmd( SHM_UNLOCK );
98     output_cmd( SHM_STAT );
99     output_cmd( SHM_INFO );
100     /* semctl() commands */
101     output_cmd( GETPID );
102     output_cmd( GETVAL );
103     output_cmd( GETALL );
104     output_cmd( GETNCNT );
105     output_cmd( GETZCNT );
106     output_cmd( SETVAL );
107     output_cmd( SETALL );
108     output_cmd( SEM_STAT );
109     output_cmd( SEM_INFO );
110     output_cmd( IPC_RMID );
111     output_cmd( IPC_RMID );
112     output_cmd( IPC_RMID );
113     output_cmd( IPC_RMID );
114     output_cmd( IPC_RMID );
115     output_cmd( IPC_RMID );
116     output_cmd( IPC_RMID );
117     output_cmd( IPC_RMID );
118     output_cmd( IPC_RMID );
119 
120     /* Some value we don't recognize */
121     gemu_log("%d",cmd);
122 }
123 
124 static void
125 print_signal(abi_ulong arg, int last)
126 {
127     const char *signal_name = NULL;
128     switch(arg) {
129     case TARGET_SIGHUP: signal_name = "SIGHUP"; break;
130     case TARGET_SIGINT: signal_name = "SIGINT"; break;
131     case TARGET_SIGQUIT: signal_name = "SIGQUIT"; break;
132     case TARGET_SIGILL: signal_name = "SIGILL"; break;
133     case TARGET_SIGABRT: signal_name = "SIGABRT"; break;
134     case TARGET_SIGFPE: signal_name = "SIGFPE"; break;
135     case TARGET_SIGKILL: signal_name = "SIGKILL"; break;
136     case TARGET_SIGSEGV: signal_name = "SIGSEGV"; break;
137     case TARGET_SIGPIPE: signal_name = "SIGPIPE"; break;
138     case TARGET_SIGALRM: signal_name = "SIGALRM"; break;
139     case TARGET_SIGTERM: signal_name = "SIGTERM"; break;
140     case TARGET_SIGUSR1: signal_name = "SIGUSR1"; break;
141     case TARGET_SIGUSR2: signal_name = "SIGUSR2"; break;
142     case TARGET_SIGCHLD: signal_name = "SIGCHLD"; break;
143     case TARGET_SIGCONT: signal_name = "SIGCONT"; break;
144     case TARGET_SIGSTOP: signal_name = "SIGSTOP"; break;
145     case TARGET_SIGTTIN: signal_name = "SIGTTIN"; break;
146     case TARGET_SIGTTOU: signal_name = "SIGTTOU"; break;
147     }
148     if (signal_name == NULL) {
149         print_raw_param("%ld", arg, last);
150         return;
151     }
152     gemu_log("%s%s", signal_name, get_comma(last));
153 }
154 
155 static void print_si_code(int arg)
156 {
157     const char *codename = NULL;
158 
159     switch (arg) {
160     case SI_USER:
161         codename = "SI_USER";
162         break;
163     case SI_KERNEL:
164         codename = "SI_KERNEL";
165         break;
166     case SI_QUEUE:
167         codename = "SI_QUEUE";
168         break;
169     case SI_TIMER:
170         codename = "SI_TIMER";
171         break;
172     case SI_MESGQ:
173         codename = "SI_MESGQ";
174         break;
175     case SI_ASYNCIO:
176         codename = "SI_ASYNCIO";
177         break;
178     case SI_SIGIO:
179         codename = "SI_SIGIO";
180         break;
181     case SI_TKILL:
182         codename = "SI_TKILL";
183         break;
184     default:
185         gemu_log("%d", arg);
186         return;
187     }
188     gemu_log("%s", codename);
189 }
190 
191 static void get_target_siginfo(target_siginfo_t *tinfo,
192                                 const target_siginfo_t *info)
193 {
194     abi_ulong sival_ptr;
195 
196     int sig;
197     int si_errno;
198     int si_code;
199     int si_type;
200 
201     __get_user(sig, &info->si_signo);
202     __get_user(si_errno, &tinfo->si_errno);
203     __get_user(si_code, &info->si_code);
204 
205     tinfo->si_signo = sig;
206     tinfo->si_errno = si_errno;
207     tinfo->si_code = si_code;
208 
209     /* Ensure we don't leak random junk to the guest later */
210     memset(tinfo->_sifields._pad, 0, sizeof(tinfo->_sifields._pad));
211 
212     /* This is awkward, because we have to use a combination of
213      * the si_code and si_signo to figure out which of the union's
214      * members are valid. (Within the host kernel it is always possible
215      * to tell, but the kernel carefully avoids giving userspace the
216      * high 16 bits of si_code, so we don't have the information to
217      * do this the easy way...) We therefore make our best guess,
218      * bearing in mind that a guest can spoof most of the si_codes
219      * via rt_sigqueueinfo() if it likes.
220      *
221      * Once we have made our guess, we record it in the top 16 bits of
222      * the si_code, so that print_siginfo() later can use it.
223      * print_siginfo() will strip these top bits out before printing
224      * the si_code.
225      */
226 
227     switch (si_code) {
228     case SI_USER:
229     case SI_TKILL:
230     case SI_KERNEL:
231         /* Sent via kill(), tkill() or tgkill(), or direct from the kernel.
232          * These are the only unspoofable si_code values.
233          */
234         __get_user(tinfo->_sifields._kill._pid, &info->_sifields._kill._pid);
235         __get_user(tinfo->_sifields._kill._uid, &info->_sifields._kill._uid);
236         si_type = QEMU_SI_KILL;
237         break;
238     default:
239         /* Everything else is spoofable. Make best guess based on signal */
240         switch (sig) {
241         case TARGET_SIGCHLD:
242             __get_user(tinfo->_sifields._sigchld._pid,
243                        &info->_sifields._sigchld._pid);
244             __get_user(tinfo->_sifields._sigchld._uid,
245                        &info->_sifields._sigchld._uid);
246             __get_user(tinfo->_sifields._sigchld._status,
247                        &info->_sifields._sigchld._status);
248             __get_user(tinfo->_sifields._sigchld._utime,
249                        &info->_sifields._sigchld._utime);
250             __get_user(tinfo->_sifields._sigchld._stime,
251                        &info->_sifields._sigchld._stime);
252             si_type = QEMU_SI_CHLD;
253             break;
254         case TARGET_SIGIO:
255             __get_user(tinfo->_sifields._sigpoll._band,
256                        &info->_sifields._sigpoll._band);
257             __get_user(tinfo->_sifields._sigpoll._fd,
258                        &info->_sifields._sigpoll._fd);
259             si_type = QEMU_SI_POLL;
260             break;
261         default:
262             /* Assume a sigqueue()/mq_notify()/rt_sigqueueinfo() source. */
263             __get_user(tinfo->_sifields._rt._pid, &info->_sifields._rt._pid);
264             __get_user(tinfo->_sifields._rt._uid, &info->_sifields._rt._uid);
265             /* XXX: potential problem if 64 bit */
266             __get_user(sival_ptr, &info->_sifields._rt._sigval.sival_ptr);
267             tinfo->_sifields._rt._sigval.sival_ptr = sival_ptr;
268 
269             si_type = QEMU_SI_RT;
270             break;
271         }
272         break;
273     }
274 
275     tinfo->si_code = deposit32(si_code, 16, 16, si_type);
276 }
277 
278 static void print_siginfo(const target_siginfo_t *tinfo)
279 {
280     /* Print a target_siginfo_t in the format desired for printing
281      * signals being taken. We assume the target_siginfo_t is in the
282      * internal form where the top 16 bits of si_code indicate which
283      * part of the union is valid, rather than in the guest-visible
284      * form where the bottom 16 bits are sign-extended into the top 16.
285      */
286     int si_type = extract32(tinfo->si_code, 16, 16);
287     int si_code = sextract32(tinfo->si_code, 0, 16);
288 
289     gemu_log("{si_signo=");
290     print_signal(tinfo->si_signo, 1);
291     gemu_log(", si_code=");
292     print_si_code(si_code);
293 
294     switch (si_type) {
295     case QEMU_SI_KILL:
296         gemu_log(", si_pid=%u, si_uid=%u",
297                  (unsigned int)tinfo->_sifields._kill._pid,
298                  (unsigned int)tinfo->_sifields._kill._uid);
299         break;
300     case QEMU_SI_TIMER:
301         gemu_log(", si_timer1=%u, si_timer2=%u",
302                  tinfo->_sifields._timer._timer1,
303                  tinfo->_sifields._timer._timer2);
304         break;
305     case QEMU_SI_POLL:
306         gemu_log(", si_band=%d, si_fd=%d",
307                  tinfo->_sifields._sigpoll._band,
308                  tinfo->_sifields._sigpoll._fd);
309         break;
310     case QEMU_SI_FAULT:
311         gemu_log(", si_addr=");
312         print_pointer(tinfo->_sifields._sigfault._addr, 1);
313         break;
314     case QEMU_SI_CHLD:
315         gemu_log(", si_pid=%u, si_uid=%u, si_status=%d"
316                  ", si_utime=" TARGET_ABI_FMT_ld
317                  ", si_stime=" TARGET_ABI_FMT_ld,
318                  (unsigned int)(tinfo->_sifields._sigchld._pid),
319                  (unsigned int)(tinfo->_sifields._sigchld._uid),
320                  tinfo->_sifields._sigchld._status,
321                  tinfo->_sifields._sigchld._utime,
322                  tinfo->_sifields._sigchld._stime);
323         break;
324     case QEMU_SI_RT:
325         gemu_log(", si_pid=%u, si_uid=%u, si_sigval=" TARGET_ABI_FMT_ld,
326                  (unsigned int)tinfo->_sifields._rt._pid,
327                  (unsigned int)tinfo->_sifields._rt._uid,
328                  tinfo->_sifields._rt._sigval.sival_ptr);
329         break;
330     default:
331         g_assert_not_reached();
332     }
333     gemu_log("}");
334 }
335 
336 static void
337 print_sockaddr(abi_ulong addr, abi_long addrlen)
338 {
339     struct target_sockaddr *sa;
340     int i;
341     int sa_family;
342 
343     sa = lock_user(VERIFY_READ, addr, addrlen, 1);
344     if (sa) {
345         sa_family = tswap16(sa->sa_family);
346         switch (sa_family) {
347         case AF_UNIX: {
348             struct target_sockaddr_un *un = (struct target_sockaddr_un *)sa;
349             int i;
350             gemu_log("{sun_family=AF_UNIX,sun_path=\"");
351             for (i = 0; i < addrlen -
352                             offsetof(struct target_sockaddr_un, sun_path) &&
353                  un->sun_path[i]; i++) {
354                 gemu_log("%c", un->sun_path[i]);
355             }
356             gemu_log("\"}");
357             break;
358         }
359         case AF_INET: {
360             struct target_sockaddr_in *in = (struct target_sockaddr_in *)sa;
361             uint8_t *c = (uint8_t *)&in->sin_addr.s_addr;
362             gemu_log("{sin_family=AF_INET,sin_port=htons(%d),",
363                      ntohs(in->sin_port));
364             gemu_log("sin_addr=inet_addr(\"%d.%d.%d.%d\")",
365                      c[0], c[1], c[2], c[3]);
366             gemu_log("}");
367             break;
368         }
369         case AF_PACKET: {
370             struct target_sockaddr_ll *ll = (struct target_sockaddr_ll *)sa;
371             uint8_t *c = (uint8_t *)&ll->sll_addr;
372             gemu_log("{sll_family=AF_PACKET,"
373                      "sll_protocol=htons(0x%04x),if%d,pkttype=",
374                      ntohs(ll->sll_protocol), ll->sll_ifindex);
375             switch (ll->sll_pkttype) {
376             case PACKET_HOST:
377                 gemu_log("PACKET_HOST");
378                 break;
379             case PACKET_BROADCAST:
380                 gemu_log("PACKET_BROADCAST");
381                 break;
382             case PACKET_MULTICAST:
383                 gemu_log("PACKET_MULTICAST");
384                 break;
385             case PACKET_OTHERHOST:
386                 gemu_log("PACKET_OTHERHOST");
387                 break;
388             case PACKET_OUTGOING:
389                 gemu_log("PACKET_OUTGOING");
390                 break;
391             default:
392                 gemu_log("%d", ll->sll_pkttype);
393                 break;
394             }
395             gemu_log(",sll_addr=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
396                      c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
397             gemu_log("}");
398             break;
399         }
400         default:
401             gemu_log("{sa_family=%d, sa_data={", sa->sa_family);
402             for (i = 0; i < 13; i++) {
403                 gemu_log("%02x, ", sa->sa_data[i]);
404             }
405             gemu_log("%02x}", sa->sa_data[i]);
406             gemu_log("}");
407             break;
408         }
409         unlock_user(sa, addr, 0);
410     } else {
411         print_raw_param("0x"TARGET_ABI_FMT_lx, addr, 0);
412     }
413     gemu_log(", "TARGET_ABI_FMT_ld, addrlen);
414 }
415 
416 static void
417 print_socket_domain(int domain)
418 {
419     switch (domain) {
420     case PF_UNIX:
421         gemu_log("PF_UNIX");
422         break;
423     case PF_INET:
424         gemu_log("PF_INET");
425         break;
426     case PF_PACKET:
427         gemu_log("PF_PACKET");
428         break;
429     default:
430         gemu_log("%d", domain);
431         break;
432     }
433 }
434 
435 static void
436 print_socket_type(int type)
437 {
438     switch (type) {
439     case TARGET_SOCK_DGRAM:
440         gemu_log("SOCK_DGRAM");
441         break;
442     case TARGET_SOCK_STREAM:
443         gemu_log("SOCK_STREAM");
444         break;
445     case TARGET_SOCK_RAW:
446         gemu_log("SOCK_RAW");
447         break;
448     case TARGET_SOCK_RDM:
449         gemu_log("SOCK_RDM");
450         break;
451     case TARGET_SOCK_SEQPACKET:
452         gemu_log("SOCK_SEQPACKET");
453         break;
454     case TARGET_SOCK_PACKET:
455         gemu_log("SOCK_PACKET");
456         break;
457     }
458 }
459 
460 static void
461 print_socket_protocol(int domain, int type, int protocol)
462 {
463     if (domain == AF_PACKET ||
464         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
465         switch (protocol) {
466         case 0x0003:
467             gemu_log("ETH_P_ALL");
468             break;
469         default:
470             gemu_log("%d", protocol);
471         }
472         return;
473     }
474 
475     switch (protocol) {
476     case IPPROTO_IP:
477         gemu_log("IPPROTO_IP");
478         break;
479     case IPPROTO_TCP:
480         gemu_log("IPPROTO_TCP");
481         break;
482     case IPPROTO_UDP:
483         gemu_log("IPPROTO_UDP");
484         break;
485     case IPPROTO_RAW:
486         gemu_log("IPPROTO_RAW");
487         break;
488     default:
489         gemu_log("%d", protocol);
490         break;
491     }
492 }
493 
494 
495 #ifdef TARGET_NR__newselect
496 static void
497 print_fdset(int n, abi_ulong target_fds_addr)
498 {
499     int i;
500 
501     gemu_log("[");
502     if( target_fds_addr ) {
503         abi_long *target_fds;
504 
505         target_fds = lock_user(VERIFY_READ,
506                                target_fds_addr,
507                                sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
508                                1);
509 
510         if (!target_fds)
511             return;
512 
513         for (i=n; i>=0; i--) {
514             if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >> (i & (TARGET_ABI_BITS - 1))) & 1)
515                 gemu_log("%d,", i );
516             }
517         unlock_user(target_fds, target_fds_addr, 0);
518     }
519     gemu_log("]");
520 }
521 #endif
522 
523 #ifdef TARGET_NR_clock_adjtime
524 /* IDs of the various system clocks */
525 #define TARGET_CLOCK_REALTIME              0
526 #define TARGET_CLOCK_MONOTONIC             1
527 #define TARGET_CLOCK_PROCESS_CPUTIME_ID    2
528 #define TARGET_CLOCK_THREAD_CPUTIME_ID     3
529 #define TARGET_CLOCK_MONOTONIC_RAW         4
530 #define TARGET_CLOCK_REALTIME_COARSE       5
531 #define TARGET_CLOCK_MONOTONIC_COARSE      6
532 #define TARGET_CLOCK_BOOTTIME              7
533 #define TARGET_CLOCK_REALTIME_ALARM        8
534 #define TARGET_CLOCK_BOOTTIME_ALARM        9
535 #define TARGET_CLOCK_SGI_CYCLE             10
536 #define TARGET_CLOCK_TAI                   11
537 
538 static void
539 print_clockid(int clockid, int last)
540 {
541     switch (clockid) {
542     case TARGET_CLOCK_REALTIME:
543         gemu_log("CLOCK_REALTIME");
544         break;
545     case TARGET_CLOCK_MONOTONIC:
546         gemu_log("CLOCK_MONOTONIC");
547         break;
548     case TARGET_CLOCK_PROCESS_CPUTIME_ID:
549         gemu_log("CLOCK_PROCESS_CPUTIME_ID");
550         break;
551     case TARGET_CLOCK_THREAD_CPUTIME_ID:
552         gemu_log("CLOCK_THREAD_CPUTIME_ID");
553         break;
554     case TARGET_CLOCK_MONOTONIC_RAW:
555         gemu_log("CLOCK_MONOTONIC_RAW");
556         break;
557     case TARGET_CLOCK_REALTIME_COARSE:
558         gemu_log("CLOCK_REALTIME_COARSE");
559         break;
560     case TARGET_CLOCK_MONOTONIC_COARSE:
561         gemu_log("CLOCK_MONOTONIC_COARSE");
562         break;
563     case TARGET_CLOCK_BOOTTIME:
564         gemu_log("CLOCK_BOOTTIME");
565         break;
566     case TARGET_CLOCK_REALTIME_ALARM:
567         gemu_log("CLOCK_REALTIME_ALARM");
568         break;
569     case TARGET_CLOCK_BOOTTIME_ALARM:
570         gemu_log("CLOCK_BOOTTIME_ALARM");
571         break;
572     case TARGET_CLOCK_SGI_CYCLE:
573         gemu_log("CLOCK_SGI_CYCLE");
574         break;
575     case TARGET_CLOCK_TAI:
576         gemu_log("CLOCK_TAI");
577         break;
578     default:
579         gemu_log("%d", clockid);
580         break;
581     }
582     gemu_log("%s", get_comma(last));
583 }
584 #endif
585 
586 /*
587  * Sysycall specific output functions
588  */
589 
590 /* select */
591 #ifdef TARGET_NR__newselect
592 static long newselect_arg1 = 0;
593 static long newselect_arg2 = 0;
594 static long newselect_arg3 = 0;
595 static long newselect_arg4 = 0;
596 static long newselect_arg5 = 0;
597 
598 static void
599 print_newselect(const struct syscallname *name,
600                 abi_long arg1, abi_long arg2, abi_long arg3,
601                 abi_long arg4, abi_long arg5, abi_long arg6)
602 {
603     gemu_log("%s(" TARGET_ABI_FMT_ld ",", name->name, arg1);
604     print_fdset(arg1, arg2);
605     gemu_log(",");
606     print_fdset(arg1, arg3);
607     gemu_log(",");
608     print_fdset(arg1, arg4);
609     gemu_log(",");
610     print_timeval(arg5, 1);
611     gemu_log(")");
612 
613     /* save for use in the return output function below */
614     newselect_arg1=arg1;
615     newselect_arg2=arg2;
616     newselect_arg3=arg3;
617     newselect_arg4=arg4;
618     newselect_arg5=arg5;
619 }
620 #endif
621 
622 #ifdef TARGET_NR_semctl
623 static void
624 print_semctl(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     gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", name->name, arg1, arg2);
629     print_ipc_cmd(arg3);
630     gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
631 }
632 #endif
633 
634 static void
635 print_execve(const struct syscallname *name,
636              abi_long arg1, abi_long arg2, abi_long arg3,
637              abi_long arg4, abi_long arg5, abi_long arg6)
638 {
639     abi_ulong arg_ptr_addr;
640     char *s;
641 
642     if (!(s = lock_user_string(arg1)))
643         return;
644     gemu_log("%s(\"%s\",{", name->name, s);
645     unlock_user(s, arg1, 0);
646 
647     for (arg_ptr_addr = arg2; ; arg_ptr_addr += sizeof(abi_ulong)) {
648         abi_ulong *arg_ptr, arg_addr;
649 
650         arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
651         if (!arg_ptr)
652             return;
653     arg_addr = tswapal(*arg_ptr);
654         unlock_user(arg_ptr, arg_ptr_addr, 0);
655         if (!arg_addr)
656             break;
657         if ((s = lock_user_string(arg_addr))) {
658             gemu_log("\"%s\",", s);
659             unlock_user(s, arg_addr, 0);
660         }
661     }
662 
663     gemu_log("NULL})");
664 }
665 
666 #ifdef TARGET_NR_ipc
667 static void
668 print_ipc(const struct syscallname *name,
669           abi_long arg1, abi_long arg2, abi_long arg3,
670           abi_long arg4, abi_long arg5, abi_long arg6)
671 {
672     switch(arg1) {
673     case IPCOP_semctl:
674         gemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", arg1, arg2);
675         print_ipc_cmd(arg3);
676         gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
677         break;
678     default:
679         gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")",
680                  name->name, arg1, arg2, arg3, arg4);
681     }
682 }
683 #endif
684 
685 /*
686  * Variants for the return value output function
687  */
688 
689 static void
690 print_syscall_ret_addr(const struct syscallname *name, abi_long ret)
691 {
692     const char *errstr = NULL;
693 
694     if (ret < 0) {
695         errstr = target_strerror(-ret);
696     }
697     if (errstr) {
698         gemu_log(" = -1 errno=%d (%s)\n", (int)-ret, errstr);
699     } else {
700         gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
701     }
702 }
703 
704 #if 0 /* currently unused */
705 static void
706 print_syscall_ret_raw(struct syscallname *name, abi_long ret)
707 {
708         gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
709 }
710 #endif
711 
712 #ifdef TARGET_NR__newselect
713 static void
714 print_syscall_ret_newselect(const struct syscallname *name, abi_long ret)
715 {
716     gemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
717     print_fdset(newselect_arg1,newselect_arg2);
718     gemu_log(",");
719     print_fdset(newselect_arg1,newselect_arg3);
720     gemu_log(",");
721     print_fdset(newselect_arg1,newselect_arg4);
722     gemu_log(",");
723     print_timeval(newselect_arg5, 1);
724     gemu_log(")\n");
725 }
726 #endif
727 
728 /* special meanings of adjtimex()' non-negative return values */
729 #define TARGET_TIME_OK       0   /* clock synchronized, no leap second */
730 #define TARGET_TIME_INS      1   /* insert leap second */
731 #define TARGET_TIME_DEL      2   /* delete leap second */
732 #define TARGET_TIME_OOP      3   /* leap second in progress */
733 #define TARGET_TIME_WAIT     4   /* leap second has occurred */
734 #define TARGET_TIME_ERROR    5   /* clock not synchronized */
735 static void
736 print_syscall_ret_adjtimex(const struct syscallname *name, abi_long ret)
737 {
738     const char *errstr = NULL;
739 
740     gemu_log(" = ");
741     if (ret < 0) {
742         gemu_log("-1 errno=%d", errno);
743         errstr = target_strerror(-ret);
744         if (errstr) {
745             gemu_log(" (%s)", errstr);
746         }
747     } else {
748         gemu_log(TARGET_ABI_FMT_ld, ret);
749         switch (ret) {
750         case TARGET_TIME_OK:
751             gemu_log(" TIME_OK (clock synchronized, no leap second)");
752             break;
753         case TARGET_TIME_INS:
754             gemu_log(" TIME_INS (insert leap second)");
755             break;
756         case TARGET_TIME_DEL:
757             gemu_log(" TIME_DEL (delete leap second)");
758             break;
759         case TARGET_TIME_OOP:
760             gemu_log(" TIME_OOP (leap second in progress)");
761             break;
762         case TARGET_TIME_WAIT:
763             gemu_log(" TIME_WAIT (leap second has occurred)");
764             break;
765         case TARGET_TIME_ERROR:
766             gemu_log(" TIME_ERROR (clock not synchronized)");
767             break;
768         }
769     }
770 
771     gemu_log("\n");
772 }
773 
774 UNUSED static struct flags access_flags[] = {
775     FLAG_GENERIC(F_OK),
776     FLAG_GENERIC(R_OK),
777     FLAG_GENERIC(W_OK),
778     FLAG_GENERIC(X_OK),
779     FLAG_END,
780 };
781 
782 UNUSED static struct flags at_file_flags[] = {
783 #ifdef AT_EACCESS
784     FLAG_GENERIC(AT_EACCESS),
785 #endif
786 #ifdef AT_SYMLINK_NOFOLLOW
787     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
788 #endif
789     FLAG_END,
790 };
791 
792 UNUSED static struct flags unlinkat_flags[] = {
793 #ifdef AT_REMOVEDIR
794     FLAG_GENERIC(AT_REMOVEDIR),
795 #endif
796     FLAG_END,
797 };
798 
799 UNUSED static struct flags mode_flags[] = {
800     FLAG_GENERIC(S_IFSOCK),
801     FLAG_GENERIC(S_IFLNK),
802     FLAG_GENERIC(S_IFREG),
803     FLAG_GENERIC(S_IFBLK),
804     FLAG_GENERIC(S_IFDIR),
805     FLAG_GENERIC(S_IFCHR),
806     FLAG_GENERIC(S_IFIFO),
807     FLAG_END,
808 };
809 
810 UNUSED static struct flags open_access_flags[] = {
811     FLAG_TARGET(O_RDONLY),
812     FLAG_TARGET(O_WRONLY),
813     FLAG_TARGET(O_RDWR),
814     FLAG_END,
815 };
816 
817 UNUSED static struct flags open_flags[] = {
818     FLAG_TARGET(O_APPEND),
819     FLAG_TARGET(O_CREAT),
820     FLAG_TARGET(O_DIRECTORY),
821     FLAG_TARGET(O_EXCL),
822     FLAG_TARGET(O_LARGEFILE),
823     FLAG_TARGET(O_NOCTTY),
824     FLAG_TARGET(O_NOFOLLOW),
825     FLAG_TARGET(O_NONBLOCK),      /* also O_NDELAY */
826     FLAG_TARGET(O_DSYNC),
827     FLAG_TARGET(__O_SYNC),
828     FLAG_TARGET(O_TRUNC),
829 #ifdef O_DIRECT
830     FLAG_TARGET(O_DIRECT),
831 #endif
832 #ifdef O_NOATIME
833     FLAG_TARGET(O_NOATIME),
834 #endif
835 #ifdef O_CLOEXEC
836     FLAG_TARGET(O_CLOEXEC),
837 #endif
838 #ifdef O_PATH
839     FLAG_TARGET(O_PATH),
840 #endif
841 #ifdef O_TMPFILE
842     FLAG_TARGET(O_TMPFILE),
843     FLAG_TARGET(__O_TMPFILE),
844 #endif
845     FLAG_END,
846 };
847 
848 UNUSED static struct flags mount_flags[] = {
849 #ifdef MS_BIND
850     FLAG_GENERIC(MS_BIND),
851 #endif
852 #ifdef MS_DIRSYNC
853     FLAG_GENERIC(MS_DIRSYNC),
854 #endif
855     FLAG_GENERIC(MS_MANDLOCK),
856 #ifdef MS_MOVE
857     FLAG_GENERIC(MS_MOVE),
858 #endif
859     FLAG_GENERIC(MS_NOATIME),
860     FLAG_GENERIC(MS_NODEV),
861     FLAG_GENERIC(MS_NODIRATIME),
862     FLAG_GENERIC(MS_NOEXEC),
863     FLAG_GENERIC(MS_NOSUID),
864     FLAG_GENERIC(MS_RDONLY),
865 #ifdef MS_RELATIME
866     FLAG_GENERIC(MS_RELATIME),
867 #endif
868     FLAG_GENERIC(MS_REMOUNT),
869     FLAG_GENERIC(MS_SYNCHRONOUS),
870     FLAG_END,
871 };
872 
873 UNUSED static struct flags umount2_flags[] = {
874 #ifdef MNT_FORCE
875     FLAG_GENERIC(MNT_FORCE),
876 #endif
877 #ifdef MNT_DETACH
878     FLAG_GENERIC(MNT_DETACH),
879 #endif
880 #ifdef MNT_EXPIRE
881     FLAG_GENERIC(MNT_EXPIRE),
882 #endif
883     FLAG_END,
884 };
885 
886 UNUSED static struct flags mmap_prot_flags[] = {
887     FLAG_GENERIC(PROT_NONE),
888     FLAG_GENERIC(PROT_EXEC),
889     FLAG_GENERIC(PROT_READ),
890     FLAG_GENERIC(PROT_WRITE),
891     FLAG_TARGET(PROT_SEM),
892     FLAG_GENERIC(PROT_GROWSDOWN),
893     FLAG_GENERIC(PROT_GROWSUP),
894     FLAG_END,
895 };
896 
897 UNUSED static struct flags mmap_flags[] = {
898     FLAG_TARGET(MAP_SHARED),
899     FLAG_TARGET(MAP_PRIVATE),
900     FLAG_TARGET(MAP_ANONYMOUS),
901     FLAG_TARGET(MAP_DENYWRITE),
902     FLAG_TARGET(MAP_FIXED),
903     FLAG_TARGET(MAP_GROWSDOWN),
904     FLAG_TARGET(MAP_EXECUTABLE),
905 #ifdef MAP_LOCKED
906     FLAG_TARGET(MAP_LOCKED),
907 #endif
908 #ifdef MAP_NONBLOCK
909     FLAG_TARGET(MAP_NONBLOCK),
910 #endif
911     FLAG_TARGET(MAP_NORESERVE),
912 #ifdef MAP_POPULATE
913     FLAG_TARGET(MAP_POPULATE),
914 #endif
915 #ifdef TARGET_MAP_UNINITIALIZED
916     FLAG_TARGET(MAP_UNINITIALIZED),
917 #endif
918     FLAG_END,
919 };
920 
921 UNUSED static struct flags clone_flags[] = {
922     FLAG_GENERIC(CLONE_VM),
923     FLAG_GENERIC(CLONE_FS),
924     FLAG_GENERIC(CLONE_FILES),
925     FLAG_GENERIC(CLONE_SIGHAND),
926     FLAG_GENERIC(CLONE_PTRACE),
927     FLAG_GENERIC(CLONE_VFORK),
928     FLAG_GENERIC(CLONE_PARENT),
929     FLAG_GENERIC(CLONE_THREAD),
930     FLAG_GENERIC(CLONE_NEWNS),
931     FLAG_GENERIC(CLONE_SYSVSEM),
932     FLAG_GENERIC(CLONE_SETTLS),
933     FLAG_GENERIC(CLONE_PARENT_SETTID),
934     FLAG_GENERIC(CLONE_CHILD_CLEARTID),
935     FLAG_GENERIC(CLONE_DETACHED),
936     FLAG_GENERIC(CLONE_UNTRACED),
937     FLAG_GENERIC(CLONE_CHILD_SETTID),
938 #if defined(CLONE_NEWUTS)
939     FLAG_GENERIC(CLONE_NEWUTS),
940 #endif
941 #if defined(CLONE_NEWIPC)
942     FLAG_GENERIC(CLONE_NEWIPC),
943 #endif
944 #if defined(CLONE_NEWUSER)
945     FLAG_GENERIC(CLONE_NEWUSER),
946 #endif
947 #if defined(CLONE_NEWPID)
948     FLAG_GENERIC(CLONE_NEWPID),
949 #endif
950 #if defined(CLONE_NEWNET)
951     FLAG_GENERIC(CLONE_NEWNET),
952 #endif
953 #if defined(CLONE_IO)
954     FLAG_GENERIC(CLONE_IO),
955 #endif
956     FLAG_END,
957 };
958 
959 UNUSED static struct flags msg_flags[] = {
960     /* send */
961     FLAG_GENERIC(MSG_CONFIRM),
962     FLAG_GENERIC(MSG_DONTROUTE),
963     FLAG_GENERIC(MSG_DONTWAIT),
964     FLAG_GENERIC(MSG_EOR),
965     FLAG_GENERIC(MSG_MORE),
966     FLAG_GENERIC(MSG_NOSIGNAL),
967     FLAG_GENERIC(MSG_OOB),
968     /* recv */
969     FLAG_GENERIC(MSG_CMSG_CLOEXEC),
970     FLAG_GENERIC(MSG_ERRQUEUE),
971     FLAG_GENERIC(MSG_PEEK),
972     FLAG_GENERIC(MSG_TRUNC),
973     FLAG_GENERIC(MSG_WAITALL),
974     /* recvmsg */
975     FLAG_GENERIC(MSG_CTRUNC),
976     FLAG_END,
977 };
978 
979 /*
980  * print_xxx utility functions.  These are used to print syscall
981  * parameters in certain format.  All of these have parameter
982  * named 'last'.  This parameter is used to add comma to output
983  * when last == 0.
984  */
985 
986 static const char *
987 get_comma(int last)
988 {
989     return ((last) ? "" : ",");
990 }
991 
992 static void
993 print_flags(const struct flags *f, abi_long flags, int last)
994 {
995     const char *sep = "";
996     int n;
997 
998     if ((flags == 0) && (f->f_value == 0)) {
999         gemu_log("%s%s", f->f_string, get_comma(last));
1000         return;
1001     }
1002     for (n = 0; f->f_string != NULL; f++) {
1003         if ((f->f_value != 0) && ((flags & f->f_value) == f->f_value)) {
1004             gemu_log("%s%s", sep, f->f_string);
1005             flags &= ~f->f_value;
1006             sep = "|";
1007             n++;
1008         }
1009     }
1010 
1011     if (n > 0) {
1012         /* print rest of the flags as numeric */
1013         if (flags != 0) {
1014             gemu_log("%s%#x%s", sep, (unsigned int)flags, get_comma(last));
1015         } else {
1016             gemu_log("%s", get_comma(last));
1017         }
1018     } else {
1019         /* no string version of flags found, print them in hex then */
1020         gemu_log("%#x%s", (unsigned int)flags, get_comma(last));
1021     }
1022 }
1023 
1024 static void
1025 print_at_dirfd(abi_long dirfd, int last)
1026 {
1027 #ifdef AT_FDCWD
1028     if (dirfd == AT_FDCWD) {
1029         gemu_log("AT_FDCWD%s", get_comma(last));
1030         return;
1031     }
1032 #endif
1033     gemu_log("%d%s", (int)dirfd, get_comma(last));
1034 }
1035 
1036 static void
1037 print_file_mode(abi_long mode, int last)
1038 {
1039     const char *sep = "";
1040     const struct flags *m;
1041 
1042     for (m = &mode_flags[0]; m->f_string != NULL; m++) {
1043         if ((m->f_value & mode) == m->f_value) {
1044             gemu_log("%s%s", m->f_string, sep);
1045             sep = "|";
1046             mode &= ~m->f_value;
1047             break;
1048         }
1049     }
1050 
1051     mode &= ~S_IFMT;
1052     /* print rest of the mode as octal */
1053     if (mode != 0)
1054         gemu_log("%s%#o", sep, (unsigned int)mode);
1055 
1056     gemu_log("%s", get_comma(last));
1057 }
1058 
1059 static void
1060 print_open_flags(abi_long flags, int last)
1061 {
1062     print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1);
1063     flags &= ~TARGET_O_ACCMODE;
1064     if (flags == 0) {
1065         gemu_log("%s", get_comma(last));
1066         return;
1067     }
1068     gemu_log("|");
1069     print_flags(open_flags, flags, last);
1070 }
1071 
1072 static void
1073 print_syscall_prologue(const struct syscallname *sc)
1074 {
1075     gemu_log("%s(", sc->name);
1076 }
1077 
1078 /*ARGSUSED*/
1079 static void
1080 print_syscall_epilogue(const struct syscallname *sc)
1081 {
1082     (void)sc;
1083     gemu_log(")");
1084 }
1085 
1086 static void
1087 print_string(abi_long addr, int last)
1088 {
1089     char *s;
1090 
1091     if ((s = lock_user_string(addr)) != NULL) {
1092         gemu_log("\"%s\"%s", s, get_comma(last));
1093         unlock_user(s, addr, 0);
1094     } else {
1095         /* can't get string out of it, so print it as pointer */
1096         print_pointer(addr, last);
1097     }
1098 }
1099 
1100 #define MAX_PRINT_BUF 40
1101 static void
1102 print_buf(abi_long addr, abi_long len, int last)
1103 {
1104     uint8_t *s;
1105     int i;
1106 
1107     s = lock_user(VERIFY_READ, addr, len, 1);
1108     if (s) {
1109         gemu_log("\"");
1110         for (i = 0; i < MAX_PRINT_BUF && i < len; i++) {
1111             if (isprint(s[i])) {
1112                 gemu_log("%c", s[i]);
1113             } else {
1114                 gemu_log("\\%o", s[i]);
1115             }
1116         }
1117         gemu_log("\"");
1118         if (i != len) {
1119             gemu_log("...");
1120         }
1121         if (!last) {
1122             gemu_log(",");
1123         }
1124         unlock_user(s, addr, 0);
1125     } else {
1126         print_pointer(addr, last);
1127     }
1128 }
1129 
1130 /*
1131  * Prints out raw parameter using given format.  Caller needs
1132  * to do byte swapping if needed.
1133  */
1134 static void
1135 print_raw_param(const char *fmt, abi_long param, int last)
1136 {
1137     char format[64];
1138 
1139     (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last));
1140     gemu_log(format, param);
1141 }
1142 
1143 static void
1144 print_pointer(abi_long p, int last)
1145 {
1146     if (p == 0)
1147         gemu_log("NULL%s", get_comma(last));
1148     else
1149         gemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last));
1150 }
1151 
1152 /*
1153  * Reads 32-bit (int) number from guest address space from
1154  * address 'addr' and prints it.
1155  */
1156 static void
1157 print_number(abi_long addr, int last)
1158 {
1159     if (addr == 0) {
1160         gemu_log("NULL%s", get_comma(last));
1161     } else {
1162         int num;
1163 
1164         get_user_s32(num, addr);
1165         gemu_log("[%d]%s", num, get_comma(last));
1166     }
1167 }
1168 
1169 static void
1170 print_timeval(abi_ulong tv_addr, int last)
1171 {
1172     if( tv_addr ) {
1173         struct target_timeval *tv;
1174 
1175         tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
1176         if (!tv)
1177             return;
1178         gemu_log("{" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "}%s",
1179             tswapal(tv->tv_sec), tswapal(tv->tv_usec), get_comma(last));
1180         unlock_user(tv, tv_addr, 0);
1181     } else
1182         gemu_log("NULL%s", get_comma(last));
1183 }
1184 
1185 #undef UNUSED
1186 
1187 #ifdef TARGET_NR_accept
1188 static void
1189 print_accept(const struct syscallname *name,
1190     abi_long arg0, abi_long arg1, abi_long arg2,
1191     abi_long arg3, abi_long arg4, abi_long arg5)
1192 {
1193     print_syscall_prologue(name);
1194     print_raw_param("%d", arg0, 0);
1195     print_pointer(arg1, 0);
1196     print_number(arg2, 1);
1197     print_syscall_epilogue(name);
1198 }
1199 #endif
1200 
1201 #ifdef TARGET_NR_access
1202 static void
1203 print_access(const struct syscallname *name,
1204     abi_long arg0, abi_long arg1, abi_long arg2,
1205     abi_long arg3, abi_long arg4, abi_long arg5)
1206 {
1207     print_syscall_prologue(name);
1208     print_string(arg0, 0);
1209     print_flags(access_flags, arg1, 1);
1210     print_syscall_epilogue(name);
1211 }
1212 #endif
1213 
1214 #ifdef TARGET_NR_brk
1215 static void
1216 print_brk(const struct syscallname *name,
1217     abi_long arg0, abi_long arg1, abi_long arg2,
1218     abi_long arg3, abi_long arg4, abi_long arg5)
1219 {
1220     print_syscall_prologue(name);
1221     print_pointer(arg0, 1);
1222     print_syscall_epilogue(name);
1223 }
1224 #endif
1225 
1226 #ifdef TARGET_NR_chdir
1227 static void
1228 print_chdir(const struct syscallname *name,
1229     abi_long arg0, abi_long arg1, abi_long arg2,
1230     abi_long arg3, abi_long arg4, abi_long arg5)
1231 {
1232     print_syscall_prologue(name);
1233     print_string(arg0, 1);
1234     print_syscall_epilogue(name);
1235 }
1236 #endif
1237 
1238 #ifdef TARGET_NR_chroot
1239 static void
1240 print_chroot(const struct syscallname *name,
1241     abi_long arg0, abi_long arg1, abi_long arg2,
1242     abi_long arg3, abi_long arg4, abi_long arg5)
1243 {
1244     print_syscall_prologue(name);
1245     print_string(arg0, 1);
1246     print_syscall_epilogue(name);
1247 }
1248 #endif
1249 
1250 #ifdef TARGET_NR_chmod
1251 static void
1252 print_chmod(const struct syscallname *name,
1253     abi_long arg0, abi_long arg1, abi_long arg2,
1254     abi_long arg3, abi_long arg4, abi_long arg5)
1255 {
1256     print_syscall_prologue(name);
1257     print_string(arg0, 0);
1258     print_file_mode(arg1, 1);
1259     print_syscall_epilogue(name);
1260 }
1261 #endif
1262 
1263 #ifdef TARGET_NR_clock_adjtime
1264 static void
1265 print_clock_adjtime(const struct syscallname *name,
1266     abi_long arg0, abi_long arg1, abi_long arg2,
1267     abi_long arg3, abi_long arg4, abi_long arg5)
1268 {
1269     print_syscall_prologue(name);
1270     print_clockid(arg0, 0);
1271     print_pointer(arg1, 1);
1272     print_syscall_epilogue(name);
1273 }
1274 #endif
1275 
1276 #ifdef TARGET_NR_clone
1277 static void do_print_clone(unsigned int flags, abi_ulong newsp,
1278                            abi_ulong parent_tidptr, target_ulong newtls,
1279                            abi_ulong child_tidptr)
1280 {
1281     print_flags(clone_flags, flags, 0);
1282     print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, newsp, 0);
1283     print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, parent_tidptr, 0);
1284     print_raw_param("tls=0x" TARGET_ABI_FMT_lx, newtls, 0);
1285     print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, child_tidptr, 1);
1286 }
1287 
1288 static void
1289 print_clone(const struct syscallname *name,
1290     abi_long arg1, abi_long arg2, abi_long arg3,
1291     abi_long arg4, abi_long arg5, abi_long arg6)
1292 {
1293     print_syscall_prologue(name);
1294 #if defined(TARGET_MICROBLAZE)
1295     do_print_clone(arg1, arg2, arg4, arg6, arg5);
1296 #elif defined(TARGET_CLONE_BACKWARDS)
1297     do_print_clone(arg1, arg2, arg3, arg4, arg5);
1298 #elif defined(TARGET_CLONE_BACKWARDS2)
1299     do_print_clone(arg2, arg1, arg3, arg5, arg4);
1300 #else
1301     do_print_clone(arg1, arg2, arg3, arg5, arg4);
1302 #endif
1303     print_syscall_epilogue(name);
1304 }
1305 #endif
1306 
1307 #ifdef TARGET_NR_creat
1308 static void
1309 print_creat(const struct syscallname *name,
1310     abi_long arg0, abi_long arg1, abi_long arg2,
1311     abi_long arg3, abi_long arg4, abi_long arg5)
1312 {
1313     print_syscall_prologue(name);
1314     print_string(arg0, 0);
1315     print_file_mode(arg1, 1);
1316     print_syscall_epilogue(name);
1317 }
1318 #endif
1319 
1320 #ifdef TARGET_NR_execv
1321 static void
1322 print_execv(const struct syscallname *name,
1323     abi_long arg0, abi_long arg1, abi_long arg2,
1324     abi_long arg3, abi_long arg4, abi_long arg5)
1325 {
1326     print_syscall_prologue(name);
1327     print_string(arg0, 0);
1328     print_raw_param("0x" TARGET_ABI_FMT_lx, arg1, 1);
1329     print_syscall_epilogue(name);
1330 }
1331 #endif
1332 
1333 #ifdef TARGET_NR_faccessat
1334 static void
1335 print_faccessat(const struct syscallname *name,
1336     abi_long arg0, abi_long arg1, abi_long arg2,
1337     abi_long arg3, abi_long arg4, abi_long arg5)
1338 {
1339     print_syscall_prologue(name);
1340     print_at_dirfd(arg0, 0);
1341     print_string(arg1, 0);
1342     print_flags(access_flags, arg2, 0);
1343     print_flags(at_file_flags, arg3, 1);
1344     print_syscall_epilogue(name);
1345 }
1346 #endif
1347 
1348 #ifdef TARGET_NR_fchmodat
1349 static void
1350 print_fchmodat(const struct syscallname *name,
1351     abi_long arg0, abi_long arg1, abi_long arg2,
1352     abi_long arg3, abi_long arg4, abi_long arg5)
1353 {
1354     print_syscall_prologue(name);
1355     print_at_dirfd(arg0, 0);
1356     print_string(arg1, 0);
1357     print_file_mode(arg2, 0);
1358     print_flags(at_file_flags, arg3, 1);
1359     print_syscall_epilogue(name);
1360 }
1361 #endif
1362 
1363 #ifdef TARGET_NR_fchownat
1364 static void
1365 print_fchownat(const struct syscallname *name,
1366     abi_long arg0, abi_long arg1, abi_long arg2,
1367     abi_long arg3, abi_long arg4, abi_long arg5)
1368 {
1369     print_syscall_prologue(name);
1370     print_at_dirfd(arg0, 0);
1371     print_string(arg1, 0);
1372     print_raw_param("%d", arg2, 0);
1373     print_raw_param("%d", arg3, 0);
1374     print_flags(at_file_flags, arg4, 1);
1375     print_syscall_epilogue(name);
1376 }
1377 #endif
1378 
1379 #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
1380 static void
1381 print_fcntl(const struct syscallname *name,
1382     abi_long arg0, abi_long arg1, abi_long arg2,
1383     abi_long arg3, abi_long arg4, abi_long arg5)
1384 {
1385     print_syscall_prologue(name);
1386     print_raw_param("%d", arg0, 0);
1387     switch(arg1) {
1388     case TARGET_F_DUPFD:
1389         gemu_log("F_DUPFD,");
1390         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
1391         break;
1392     case TARGET_F_GETFD:
1393         gemu_log("F_GETFD");
1394         break;
1395     case TARGET_F_SETFD:
1396         gemu_log("F_SETFD,");
1397         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
1398         break;
1399     case TARGET_F_GETFL:
1400         gemu_log("F_GETFL");
1401         break;
1402     case TARGET_F_SETFL:
1403         gemu_log("F_SETFL,");
1404         print_open_flags(arg2, 1);
1405         break;
1406     case TARGET_F_GETLK:
1407         gemu_log("F_GETLK,");
1408         print_pointer(arg2, 1);
1409         break;
1410     case TARGET_F_SETLK:
1411         gemu_log("F_SETLK,");
1412         print_pointer(arg2, 1);
1413         break;
1414     case TARGET_F_SETLKW:
1415         gemu_log("F_SETLKW,");
1416         print_pointer(arg2, 1);
1417         break;
1418     case TARGET_F_GETOWN:
1419         gemu_log("F_GETOWN");
1420         break;
1421     case TARGET_F_SETOWN:
1422         gemu_log("F_SETOWN,");
1423         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1424         break;
1425     case TARGET_F_GETSIG:
1426         gemu_log("F_GETSIG");
1427         break;
1428     case TARGET_F_SETSIG:
1429         gemu_log("F_SETSIG,");
1430         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1431         break;
1432 #if TARGET_ABI_BITS == 32
1433     case TARGET_F_GETLK64:
1434         gemu_log("F_GETLK64,");
1435         print_pointer(arg2, 1);
1436         break;
1437     case TARGET_F_SETLK64:
1438         gemu_log("F_SETLK64,");
1439         print_pointer(arg2, 1);
1440         break;
1441     case TARGET_F_SETLKW64:
1442         gemu_log("F_SETLKW64,");
1443         print_pointer(arg2, 1);
1444         break;
1445 #endif
1446     case TARGET_F_SETLEASE:
1447         gemu_log("F_SETLEASE,");
1448         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1449         break;
1450     case TARGET_F_GETLEASE:
1451         gemu_log("F_GETLEASE");
1452         break;
1453     case TARGET_F_SETPIPE_SZ:
1454         gemu_log("F_SETPIPE_SZ,");
1455         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
1456         break;
1457     case TARGET_F_GETPIPE_SZ:
1458         gemu_log("F_GETPIPE_SZ");
1459         break;
1460     case TARGET_F_DUPFD_CLOEXEC:
1461         gemu_log("F_DUPFD_CLOEXEC,");
1462         print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
1463         break;
1464     case TARGET_F_NOTIFY:
1465         gemu_log("F_NOTIFY,");
1466         print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1467         break;
1468     default:
1469         print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
1470         print_pointer(arg2, 1);
1471         break;
1472     }
1473     print_syscall_epilogue(name);
1474 }
1475 #define print_fcntl64   print_fcntl
1476 #endif
1477 
1478 
1479 #ifdef TARGET_NR_futimesat
1480 static void
1481 print_futimesat(const struct syscallname *name,
1482     abi_long arg0, abi_long arg1, abi_long arg2,
1483     abi_long arg3, abi_long arg4, abi_long arg5)
1484 {
1485     print_syscall_prologue(name);
1486     print_at_dirfd(arg0, 0);
1487     print_string(arg1, 0);
1488     print_timeval(arg2, 0);
1489     print_timeval(arg2 + sizeof (struct target_timeval), 1);
1490     print_syscall_epilogue(name);
1491 }
1492 #endif
1493 
1494 #ifdef TARGET_NR_link
1495 static void
1496 print_link(const struct syscallname *name,
1497     abi_long arg0, abi_long arg1, abi_long arg2,
1498     abi_long arg3, abi_long arg4, abi_long arg5)
1499 {
1500     print_syscall_prologue(name);
1501     print_string(arg0, 0);
1502     print_string(arg1, 1);
1503     print_syscall_epilogue(name);
1504 }
1505 #endif
1506 
1507 #ifdef TARGET_NR_linkat
1508 static void
1509 print_linkat(const struct syscallname *name,
1510     abi_long arg0, abi_long arg1, abi_long arg2,
1511     abi_long arg3, abi_long arg4, abi_long arg5)
1512 {
1513     print_syscall_prologue(name);
1514     print_at_dirfd(arg0, 0);
1515     print_string(arg1, 0);
1516     print_at_dirfd(arg2, 0);
1517     print_string(arg3, 0);
1518     print_flags(at_file_flags, arg4, 1);
1519     print_syscall_epilogue(name);
1520 }
1521 #endif
1522 
1523 #ifdef TARGET_NR__llseek
1524 static void
1525 print__llseek(const struct syscallname *name,
1526     abi_long arg0, abi_long arg1, abi_long arg2,
1527     abi_long arg3, abi_long arg4, abi_long arg5)
1528 {
1529     const char *whence = "UNKNOWN";
1530     print_syscall_prologue(name);
1531     print_raw_param("%d", arg0, 0);
1532     print_raw_param("%ld", arg1, 0);
1533     print_raw_param("%ld", arg2, 0);
1534     print_pointer(arg3, 0);
1535     switch(arg4) {
1536     case SEEK_SET: whence = "SEEK_SET"; break;
1537     case SEEK_CUR: whence = "SEEK_CUR"; break;
1538     case SEEK_END: whence = "SEEK_END"; break;
1539     }
1540     gemu_log("%s",whence);
1541     print_syscall_epilogue(name);
1542 }
1543 #endif
1544 
1545 #if defined(TARGET_NR_socket)
1546 static void
1547 print_socket(const struct syscallname *name,
1548              abi_long arg0, abi_long arg1, abi_long arg2,
1549              abi_long arg3, abi_long arg4, abi_long arg5)
1550 {
1551     abi_ulong domain = arg0, type = arg1, protocol = arg2;
1552 
1553     print_syscall_prologue(name);
1554     print_socket_domain(domain);
1555     gemu_log(",");
1556     print_socket_type(type);
1557     gemu_log(",");
1558     if (domain == AF_PACKET ||
1559         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
1560         protocol = tswap16(protocol);
1561     }
1562     print_socket_protocol(domain, type, protocol);
1563     print_syscall_epilogue(name);
1564 }
1565 
1566 #endif
1567 
1568 #if defined(TARGET_NR_socketcall)
1569 
1570 #define get_user_ualx(x, gaddr, idx) \
1571         get_user_ual(x, (gaddr) + (idx) * sizeof(abi_long))
1572 
1573 static void do_print_socket(const char *name, abi_long arg1)
1574 {
1575     abi_ulong domain, type, protocol;
1576 
1577     get_user_ualx(domain, arg1, 0);
1578     get_user_ualx(type, arg1, 1);
1579     get_user_ualx(protocol, arg1, 2);
1580     gemu_log("%s(", name);
1581     print_socket_domain(domain);
1582     gemu_log(",");
1583     print_socket_type(type);
1584     gemu_log(",");
1585     if (domain == AF_PACKET ||
1586         (domain == AF_INET && type == TARGET_SOCK_PACKET)) {
1587         protocol = tswap16(protocol);
1588     }
1589     print_socket_protocol(domain, type, protocol);
1590     gemu_log(")");
1591 }
1592 
1593 static void do_print_sockaddr(const char *name, abi_long arg1)
1594 {
1595     abi_ulong sockfd, addr, addrlen;
1596 
1597     get_user_ualx(sockfd, arg1, 0);
1598     get_user_ualx(addr, arg1, 1);
1599     get_user_ualx(addrlen, arg1, 2);
1600 
1601     gemu_log("%s(", name);
1602     print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0);
1603     print_sockaddr(addr, addrlen);
1604     gemu_log(")");
1605 }
1606 
1607 static void do_print_listen(const char *name, abi_long arg1)
1608 {
1609     abi_ulong sockfd, backlog;
1610 
1611     get_user_ualx(sockfd, arg1, 0);
1612     get_user_ualx(backlog, arg1, 1);
1613 
1614     gemu_log("%s(", name);
1615     print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0);
1616     print_raw_param(TARGET_ABI_FMT_ld, backlog, 1);
1617     gemu_log(")");
1618 }
1619 
1620 static void do_print_socketpair(const char *name, abi_long arg1)
1621 {
1622     abi_ulong domain, type, protocol, tab;
1623 
1624     get_user_ualx(domain, arg1, 0);
1625     get_user_ualx(type, arg1, 1);
1626     get_user_ualx(protocol, arg1, 2);
1627     get_user_ualx(tab, arg1, 3);
1628 
1629     gemu_log("%s(", name);
1630     print_socket_domain(domain);
1631     gemu_log(",");
1632     print_socket_type(type);
1633     gemu_log(",");
1634     print_socket_protocol(domain, type, protocol);
1635     gemu_log(",");
1636     print_raw_param(TARGET_ABI_FMT_lx, tab, 1);
1637     gemu_log(")");
1638 }
1639 
1640 static void do_print_sendrecv(const char *name, abi_long arg1)
1641 {
1642     abi_ulong sockfd, msg, len, flags;
1643 
1644     get_user_ualx(sockfd, arg1, 0);
1645     get_user_ualx(msg, arg1, 1);
1646     get_user_ualx(len, arg1, 2);
1647     get_user_ualx(flags, arg1, 3);
1648 
1649     gemu_log("%s(", name);
1650     print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0);
1651     print_buf(msg, len, 0);
1652     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
1653     print_flags(msg_flags, flags, 1);
1654     gemu_log(")");
1655 }
1656 
1657 static void do_print_msgaddr(const char *name, abi_long arg1)
1658 {
1659     abi_ulong sockfd, msg, len, flags, addr, addrlen;
1660 
1661     get_user_ualx(sockfd, arg1, 0);
1662     get_user_ualx(msg, arg1, 1);
1663     get_user_ualx(len, arg1, 2);
1664     get_user_ualx(flags, arg1, 3);
1665     get_user_ualx(addr, arg1, 4);
1666     get_user_ualx(addrlen, arg1, 5);
1667 
1668     gemu_log("%s(", name);
1669     print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0);
1670     print_buf(msg, len, 0);
1671     print_raw_param(TARGET_ABI_FMT_ld, len, 0);
1672     print_flags(msg_flags, flags, 0);
1673     print_sockaddr(addr, addrlen);
1674     gemu_log(")");
1675 }
1676 
1677 static void do_print_shutdown(const char *name, abi_long arg1)
1678 {
1679     abi_ulong sockfd, how;
1680 
1681     get_user_ualx(sockfd, arg1, 0);
1682     get_user_ualx(how, arg1, 1);
1683 
1684     gemu_log("shutdown(");
1685     print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0);
1686     switch (how) {
1687     case SHUT_RD:
1688         gemu_log("SHUT_RD");
1689         break;
1690     case SHUT_WR:
1691         gemu_log("SHUT_WR");
1692         break;
1693     case SHUT_RDWR:
1694         gemu_log("SHUT_RDWR");
1695         break;
1696     default:
1697         print_raw_param(TARGET_ABI_FMT_ld, how, 1);
1698         break;
1699     }
1700     gemu_log(")");
1701 }
1702 
1703 static void do_print_msg(const char *name, abi_long arg1)
1704 {
1705     abi_ulong sockfd, msg, flags;
1706 
1707     get_user_ualx(sockfd, arg1, 0);
1708     get_user_ualx(msg, arg1, 1);
1709     get_user_ualx(flags, arg1, 2);
1710 
1711     gemu_log("%s(", name);
1712     print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0);
1713     print_pointer(msg, 0);
1714     print_flags(msg_flags, flags, 1);
1715     gemu_log(")");
1716 }
1717 
1718 static void do_print_sockopt(const char *name, abi_long arg1)
1719 {
1720     abi_ulong sockfd, level, optname, optval, optlen;
1721 
1722     get_user_ualx(sockfd, arg1, 0);
1723     get_user_ualx(level, arg1, 1);
1724     get_user_ualx(optname, arg1, 2);
1725     get_user_ualx(optval, arg1, 3);
1726     get_user_ualx(optlen, arg1, 4);
1727 
1728     gemu_log("%s(", name);
1729     print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0);
1730     switch (level) {
1731     case SOL_TCP:
1732         gemu_log("SOL_TCP,");
1733         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
1734         print_pointer(optval, 0);
1735         break;
1736     case SOL_IP:
1737         gemu_log("SOL_IP,");
1738         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
1739         print_pointer(optval, 0);
1740         break;
1741     case SOL_RAW:
1742         gemu_log("SOL_RAW,");
1743         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
1744         print_pointer(optval, 0);
1745         break;
1746     case TARGET_SOL_SOCKET:
1747         gemu_log("SOL_SOCKET,");
1748         switch (optname) {
1749         case TARGET_SO_DEBUG:
1750             gemu_log("SO_DEBUG,");
1751 print_optint:
1752             print_number(optval, 0);
1753             break;
1754         case TARGET_SO_REUSEADDR:
1755             gemu_log("SO_REUSEADDR,");
1756             goto print_optint;
1757         case TARGET_SO_REUSEPORT:
1758             gemu_log("SO_REUSEPORT,");
1759             goto print_optint;
1760         case TARGET_SO_TYPE:
1761             gemu_log("SO_TYPE,");
1762             goto print_optint;
1763         case TARGET_SO_ERROR:
1764             gemu_log("SO_ERROR,");
1765             goto print_optint;
1766         case TARGET_SO_DONTROUTE:
1767             gemu_log("SO_DONTROUTE,");
1768             goto print_optint;
1769         case TARGET_SO_BROADCAST:
1770             gemu_log("SO_BROADCAST,");
1771             goto print_optint;
1772         case TARGET_SO_SNDBUF:
1773             gemu_log("SO_SNDBUF,");
1774             goto print_optint;
1775         case TARGET_SO_RCVBUF:
1776             gemu_log("SO_RCVBUF,");
1777             goto print_optint;
1778         case TARGET_SO_KEEPALIVE:
1779             gemu_log("SO_KEEPALIVE,");
1780             goto print_optint;
1781         case TARGET_SO_OOBINLINE:
1782             gemu_log("SO_OOBINLINE,");
1783             goto print_optint;
1784         case TARGET_SO_NO_CHECK:
1785             gemu_log("SO_NO_CHECK,");
1786             goto print_optint;
1787         case TARGET_SO_PRIORITY:
1788             gemu_log("SO_PRIORITY,");
1789             goto print_optint;
1790         case TARGET_SO_BSDCOMPAT:
1791             gemu_log("SO_BSDCOMPAT,");
1792             goto print_optint;
1793         case TARGET_SO_PASSCRED:
1794             gemu_log("SO_PASSCRED,");
1795             goto print_optint;
1796         case TARGET_SO_TIMESTAMP:
1797             gemu_log("SO_TIMESTAMP,");
1798             goto print_optint;
1799         case TARGET_SO_RCVLOWAT:
1800             gemu_log("SO_RCVLOWAT,");
1801             goto print_optint;
1802         case TARGET_SO_RCVTIMEO:
1803             gemu_log("SO_RCVTIMEO,");
1804             print_timeval(optval, 0);
1805             break;
1806         case TARGET_SO_SNDTIMEO:
1807             gemu_log("SO_SNDTIMEO,");
1808             print_timeval(optval, 0);
1809             break;
1810         case TARGET_SO_ATTACH_FILTER: {
1811             struct target_sock_fprog *fprog;
1812 
1813             gemu_log("SO_ATTACH_FILTER,");
1814 
1815             if (lock_user_struct(VERIFY_READ, fprog, optval,  0)) {
1816                 struct target_sock_filter *filter;
1817                 gemu_log("{");
1818                 if (lock_user_struct(VERIFY_READ, filter,
1819                                      tswapal(fprog->filter),  0)) {
1820                     int i;
1821                     for (i = 0; i < tswap16(fprog->len) - 1; i++) {
1822                         gemu_log("[%d]{0x%x,%d,%d,0x%x},",
1823                                  i, tswap16(filter[i].code),
1824                                  filter[i].jt, filter[i].jf,
1825                                  tswap32(filter[i].k));
1826                     }
1827                     gemu_log("[%d]{0x%x,%d,%d,0x%x}",
1828                              i, tswap16(filter[i].code),
1829                              filter[i].jt, filter[i].jf,
1830                              tswap32(filter[i].k));
1831                 } else {
1832                     gemu_log(TARGET_ABI_FMT_lx, tswapal(fprog->filter));
1833                 }
1834                 gemu_log(",%d},", tswap16(fprog->len));
1835                 unlock_user(fprog, optval, 0);
1836             } else {
1837                 print_pointer(optval, 0);
1838             }
1839             break;
1840         }
1841         default:
1842             print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
1843             print_pointer(optval, 0);
1844             break;
1845         }
1846         break;
1847     default:
1848         print_raw_param(TARGET_ABI_FMT_ld, level, 0);
1849         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
1850         print_pointer(optval, 0);
1851         break;
1852     }
1853     print_raw_param(TARGET_ABI_FMT_ld, optlen, 1);
1854     gemu_log(")");
1855 }
1856 
1857 #define PRINT_SOCKOP(name, func) \
1858     [TARGET_SYS_##name] = { #name, func }
1859 
1860 static struct {
1861     const char *name;
1862     void (*print)(const char *, abi_long);
1863 } scall[] = {
1864     PRINT_SOCKOP(SOCKET, do_print_socket),
1865     PRINT_SOCKOP(BIND, do_print_sockaddr),
1866     PRINT_SOCKOP(CONNECT, do_print_sockaddr),
1867     PRINT_SOCKOP(LISTEN, do_print_listen),
1868     PRINT_SOCKOP(ACCEPT, do_print_sockaddr),
1869     PRINT_SOCKOP(GETSOCKNAME, do_print_sockaddr),
1870     PRINT_SOCKOP(GETPEERNAME, do_print_sockaddr),
1871     PRINT_SOCKOP(SOCKETPAIR, do_print_socketpair),
1872     PRINT_SOCKOP(SEND, do_print_sendrecv),
1873     PRINT_SOCKOP(RECV, do_print_sendrecv),
1874     PRINT_SOCKOP(SENDTO, do_print_msgaddr),
1875     PRINT_SOCKOP(RECVFROM, do_print_msgaddr),
1876     PRINT_SOCKOP(SHUTDOWN, do_print_shutdown),
1877     PRINT_SOCKOP(SETSOCKOPT, do_print_sockopt),
1878     PRINT_SOCKOP(GETSOCKOPT, do_print_sockopt),
1879     PRINT_SOCKOP(SENDMSG, do_print_msg),
1880     PRINT_SOCKOP(RECVMSG, do_print_msg),
1881     PRINT_SOCKOP(ACCEPT4, NULL),
1882     PRINT_SOCKOP(RECVMMSG, NULL),
1883     PRINT_SOCKOP(SENDMMSG, NULL),
1884 };
1885 
1886 static void
1887 print_socketcall(const struct syscallname *name,
1888                  abi_long arg0, abi_long arg1, abi_long arg2,
1889                  abi_long arg3, abi_long arg4, abi_long arg5)
1890 {
1891     if (arg0 >= 0 && arg0 < ARRAY_SIZE(scall) && scall[arg0].print) {
1892         scall[arg0].print(scall[arg0].name, arg1);
1893         return;
1894     }
1895     print_syscall_prologue(name);
1896     print_raw_param(TARGET_ABI_FMT_ld, arg0, 0);
1897     print_raw_param(TARGET_ABI_FMT_ld, arg1, 0);
1898     print_raw_param(TARGET_ABI_FMT_ld, arg2, 0);
1899     print_raw_param(TARGET_ABI_FMT_ld, arg3, 0);
1900     print_raw_param(TARGET_ABI_FMT_ld, arg4, 0);
1901     print_raw_param(TARGET_ABI_FMT_ld, arg5, 0);
1902     print_syscall_epilogue(name);
1903 }
1904 #endif
1905 
1906 #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
1907     defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
1908 static void
1909 print_stat(const struct syscallname *name,
1910     abi_long arg0, abi_long arg1, abi_long arg2,
1911     abi_long arg3, abi_long arg4, abi_long arg5)
1912 {
1913     print_syscall_prologue(name);
1914     print_string(arg0, 0);
1915     print_pointer(arg1, 1);
1916     print_syscall_epilogue(name);
1917 }
1918 #define print_lstat     print_stat
1919 #define print_stat64	print_stat
1920 #define print_lstat64   print_stat
1921 #endif
1922 
1923 #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
1924 static void
1925 print_fstat(const struct syscallname *name,
1926     abi_long arg0, abi_long arg1, abi_long arg2,
1927     abi_long arg3, abi_long arg4, abi_long arg5)
1928 {
1929     print_syscall_prologue(name);
1930     print_raw_param("%d", arg0, 0);
1931     print_pointer(arg1, 1);
1932     print_syscall_epilogue(name);
1933 }
1934 #define print_fstat64     print_fstat
1935 #endif
1936 
1937 #ifdef TARGET_NR_mkdir
1938 static void
1939 print_mkdir(const struct syscallname *name,
1940     abi_long arg0, abi_long arg1, abi_long arg2,
1941     abi_long arg3, abi_long arg4, abi_long arg5)
1942 {
1943     print_syscall_prologue(name);
1944     print_string(arg0, 0);
1945     print_file_mode(arg1, 1);
1946     print_syscall_epilogue(name);
1947 }
1948 #endif
1949 
1950 #ifdef TARGET_NR_mkdirat
1951 static void
1952 print_mkdirat(const struct syscallname *name,
1953     abi_long arg0, abi_long arg1, abi_long arg2,
1954     abi_long arg3, abi_long arg4, abi_long arg5)
1955 {
1956     print_syscall_prologue(name);
1957     print_at_dirfd(arg0, 0);
1958     print_string(arg1, 0);
1959     print_file_mode(arg2, 1);
1960     print_syscall_epilogue(name);
1961 }
1962 #endif
1963 
1964 #ifdef TARGET_NR_rmdir
1965 static void
1966 print_rmdir(const struct syscallname *name,
1967     abi_long arg0, abi_long arg1, abi_long arg2,
1968     abi_long arg3, abi_long arg4, abi_long arg5)
1969 {
1970     print_syscall_prologue(name);
1971     print_string(arg0, 0);
1972     print_syscall_epilogue(name);
1973 }
1974 #endif
1975 
1976 #ifdef TARGET_NR_rt_sigaction
1977 static void
1978 print_rt_sigaction(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_signal(arg0, 0);
1984     print_pointer(arg1, 0);
1985     print_pointer(arg2, 1);
1986     print_syscall_epilogue(name);
1987 }
1988 #endif
1989 
1990 #ifdef TARGET_NR_rt_sigprocmask
1991 static void
1992 print_rt_sigprocmask(const struct syscallname *name,
1993     abi_long arg0, abi_long arg1, abi_long arg2,
1994     abi_long arg3, abi_long arg4, abi_long arg5)
1995 {
1996     const char *how = "UNKNOWN";
1997     print_syscall_prologue(name);
1998     switch(arg0) {
1999     case TARGET_SIG_BLOCK: how = "SIG_BLOCK"; break;
2000     case TARGET_SIG_UNBLOCK: how = "SIG_UNBLOCK"; break;
2001     case TARGET_SIG_SETMASK: how = "SIG_SETMASK"; break;
2002     }
2003     gemu_log("%s,",how);
2004     print_pointer(arg1, 0);
2005     print_pointer(arg2, 1);
2006     print_syscall_epilogue(name);
2007 }
2008 #endif
2009 
2010 #ifdef TARGET_NR_rt_sigqueueinfo
2011 static void
2012 print_rt_sigqueueinfo(const struct syscallname *name,
2013     abi_long arg0, abi_long arg1, abi_long arg2,
2014     abi_long arg3, abi_long arg4, abi_long arg5)
2015 {
2016     void *p;
2017     target_siginfo_t uinfo;
2018 
2019     print_syscall_prologue(name);
2020     print_raw_param("%d", arg0, 0);
2021     print_signal(arg1, 0);
2022     p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1);
2023     if (p) {
2024         get_target_siginfo(&uinfo, p);
2025         print_siginfo(&uinfo);
2026 
2027         unlock_user(p, arg2, 0);
2028     } else {
2029         print_pointer(arg2, 1);
2030     }
2031     print_syscall_epilogue(name);
2032 }
2033 #endif
2034 
2035 #ifdef TARGET_NR_rt_tgsigqueueinfo
2036 static void
2037 print_rt_tgsigqueueinfo(const struct syscallname *name,
2038     abi_long arg0, abi_long arg1, abi_long arg2,
2039     abi_long arg3, abi_long arg4, abi_long arg5)
2040 {
2041     void *p;
2042     target_siginfo_t uinfo;
2043 
2044     print_syscall_prologue(name);
2045     print_raw_param("%d", arg0, 0);
2046     print_raw_param("%d", arg1, 0);
2047     print_signal(arg2, 0);
2048     p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
2049     if (p) {
2050         get_target_siginfo(&uinfo, p);
2051         print_siginfo(&uinfo);
2052 
2053         unlock_user(p, arg3, 0);
2054     } else {
2055         print_pointer(arg3, 1);
2056     }
2057     print_syscall_epilogue(name);
2058 }
2059 #endif
2060 
2061 #ifdef TARGET_NR_syslog
2062 static void
2063 print_syslog_action(abi_ulong arg, int last)
2064 {
2065     const char *type;
2066 
2067     switch (arg) {
2068         case TARGET_SYSLOG_ACTION_CLOSE: {
2069             type = "SYSLOG_ACTION_CLOSE";
2070             break;
2071         }
2072         case TARGET_SYSLOG_ACTION_OPEN: {
2073             type = "SYSLOG_ACTION_OPEN";
2074             break;
2075         }
2076         case TARGET_SYSLOG_ACTION_READ: {
2077             type = "SYSLOG_ACTION_READ";
2078             break;
2079         }
2080         case TARGET_SYSLOG_ACTION_READ_ALL: {
2081             type = "SYSLOG_ACTION_READ_ALL";
2082             break;
2083         }
2084         case TARGET_SYSLOG_ACTION_READ_CLEAR: {
2085             type = "SYSLOG_ACTION_READ_CLEAR";
2086             break;
2087         }
2088         case TARGET_SYSLOG_ACTION_CLEAR: {
2089             type = "SYSLOG_ACTION_CLEAR";
2090             break;
2091         }
2092         case TARGET_SYSLOG_ACTION_CONSOLE_OFF: {
2093             type = "SYSLOG_ACTION_CONSOLE_OFF";
2094             break;
2095         }
2096         case TARGET_SYSLOG_ACTION_CONSOLE_ON: {
2097             type = "SYSLOG_ACTION_CONSOLE_ON";
2098             break;
2099         }
2100         case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: {
2101             type = "SYSLOG_ACTION_CONSOLE_LEVEL";
2102             break;
2103         }
2104         case TARGET_SYSLOG_ACTION_SIZE_UNREAD: {
2105             type = "SYSLOG_ACTION_SIZE_UNREAD";
2106             break;
2107         }
2108         case TARGET_SYSLOG_ACTION_SIZE_BUFFER: {
2109             type = "SYSLOG_ACTION_SIZE_BUFFER";
2110             break;
2111         }
2112         default: {
2113             print_raw_param("%ld", arg, last);
2114             return;
2115         }
2116     }
2117     gemu_log("%s%s", type, get_comma(last));
2118 }
2119 
2120 static void
2121 print_syslog(const struct syscallname *name,
2122     abi_long arg0, abi_long arg1, abi_long arg2,
2123     abi_long arg3, abi_long arg4, abi_long arg5)
2124 {
2125     print_syscall_prologue(name);
2126     print_syslog_action(arg0, 0);
2127     print_pointer(arg1, 0);
2128     print_raw_param("%d", arg2, 1);
2129     print_syscall_epilogue(name);
2130 }
2131 #endif
2132 
2133 #ifdef TARGET_NR_mknod
2134 static void
2135 print_mknod(const struct syscallname *name,
2136     abi_long arg0, abi_long arg1, abi_long arg2,
2137     abi_long arg3, abi_long arg4, abi_long arg5)
2138 {
2139     int hasdev = (arg1 & (S_IFCHR|S_IFBLK));
2140 
2141     print_syscall_prologue(name);
2142     print_string(arg0, 0);
2143     print_file_mode(arg1, (hasdev == 0));
2144     if (hasdev) {
2145         print_raw_param("makedev(%d", major(arg2), 0);
2146         print_raw_param("%d)", minor(arg2), 1);
2147     }
2148     print_syscall_epilogue(name);
2149 }
2150 #endif
2151 
2152 #ifdef TARGET_NR_mknodat
2153 static void
2154 print_mknodat(const struct syscallname *name,
2155     abi_long arg0, abi_long arg1, abi_long arg2,
2156     abi_long arg3, abi_long arg4, abi_long arg5)
2157 {
2158     int hasdev = (arg2 & (S_IFCHR|S_IFBLK));
2159 
2160     print_syscall_prologue(name);
2161     print_at_dirfd(arg0, 0);
2162     print_string(arg1, 0);
2163     print_file_mode(arg2, (hasdev == 0));
2164     if (hasdev) {
2165         print_raw_param("makedev(%d", major(arg3), 0);
2166         print_raw_param("%d)", minor(arg3), 1);
2167     }
2168     print_syscall_epilogue(name);
2169 }
2170 #endif
2171 
2172 #ifdef TARGET_NR_mq_open
2173 static void
2174 print_mq_open(const struct syscallname *name,
2175     abi_long arg0, abi_long arg1, abi_long arg2,
2176     abi_long arg3, abi_long arg4, abi_long arg5)
2177 {
2178     int is_creat = (arg1 & TARGET_O_CREAT);
2179 
2180     print_syscall_prologue(name);
2181     print_string(arg0, 0);
2182     print_open_flags(arg1, (is_creat == 0));
2183     if (is_creat) {
2184         print_file_mode(arg2, 0);
2185         print_pointer(arg3, 1);
2186     }
2187     print_syscall_epilogue(name);
2188 }
2189 #endif
2190 
2191 #ifdef TARGET_NR_open
2192 static void
2193 print_open(const struct syscallname *name,
2194     abi_long arg0, abi_long arg1, abi_long arg2,
2195     abi_long arg3, abi_long arg4, abi_long arg5)
2196 {
2197     int is_creat = (arg1 & TARGET_O_CREAT);
2198 
2199     print_syscall_prologue(name);
2200     print_string(arg0, 0);
2201     print_open_flags(arg1, (is_creat == 0));
2202     if (is_creat)
2203         print_file_mode(arg2, 1);
2204     print_syscall_epilogue(name);
2205 }
2206 #endif
2207 
2208 #ifdef TARGET_NR_openat
2209 static void
2210 print_openat(const struct syscallname *name,
2211     abi_long arg0, abi_long arg1, abi_long arg2,
2212     abi_long arg3, abi_long arg4, abi_long arg5)
2213 {
2214     int is_creat = (arg2 & TARGET_O_CREAT);
2215 
2216     print_syscall_prologue(name);
2217     print_at_dirfd(arg0, 0);
2218     print_string(arg1, 0);
2219     print_open_flags(arg2, (is_creat == 0));
2220     if (is_creat)
2221         print_file_mode(arg3, 1);
2222     print_syscall_epilogue(name);
2223 }
2224 #endif
2225 
2226 #ifdef TARGET_NR_mq_unlink
2227 static void
2228 print_mq_unlink(const struct syscallname *name,
2229     abi_long arg0, abi_long arg1, abi_long arg2,
2230     abi_long arg3, abi_long arg4, abi_long arg5)
2231 {
2232     print_syscall_prologue(name);
2233     print_string(arg0, 1);
2234     print_syscall_epilogue(name);
2235 }
2236 #endif
2237 
2238 #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
2239 static void
2240 print_fstatat64(const struct syscallname *name,
2241     abi_long arg0, abi_long arg1, abi_long arg2,
2242     abi_long arg3, abi_long arg4, abi_long arg5)
2243 {
2244     print_syscall_prologue(name);
2245     print_at_dirfd(arg0, 0);
2246     print_string(arg1, 0);
2247     print_pointer(arg2, 0);
2248     print_flags(at_file_flags, arg3, 1);
2249     print_syscall_epilogue(name);
2250 }
2251 #define print_newfstatat    print_fstatat64
2252 #endif
2253 
2254 #ifdef TARGET_NR_readlink
2255 static void
2256 print_readlink(const struct syscallname *name,
2257     abi_long arg0, abi_long arg1, abi_long arg2,
2258     abi_long arg3, abi_long arg4, abi_long arg5)
2259 {
2260     print_syscall_prologue(name);
2261     print_string(arg0, 0);
2262     print_pointer(arg1, 0);
2263     print_raw_param("%u", arg2, 1);
2264     print_syscall_epilogue(name);
2265 }
2266 #endif
2267 
2268 #ifdef TARGET_NR_readlinkat
2269 static void
2270 print_readlinkat(const struct syscallname *name,
2271     abi_long arg0, abi_long arg1, abi_long arg2,
2272     abi_long arg3, abi_long arg4, abi_long arg5)
2273 {
2274     print_syscall_prologue(name);
2275     print_at_dirfd(arg0, 0);
2276     print_string(arg1, 0);
2277     print_pointer(arg2, 0);
2278     print_raw_param("%u", arg3, 1);
2279     print_syscall_epilogue(name);
2280 }
2281 #endif
2282 
2283 #ifdef TARGET_NR_rename
2284 static void
2285 print_rename(const struct syscallname *name,
2286     abi_long arg0, abi_long arg1, abi_long arg2,
2287     abi_long arg3, abi_long arg4, abi_long arg5)
2288 {
2289     print_syscall_prologue(name);
2290     print_string(arg0, 0);
2291     print_string(arg1, 1);
2292     print_syscall_epilogue(name);
2293 }
2294 #endif
2295 
2296 #ifdef TARGET_NR_renameat
2297 static void
2298 print_renameat(const struct syscallname *name,
2299     abi_long arg0, abi_long arg1, abi_long arg2,
2300     abi_long arg3, abi_long arg4, abi_long arg5)
2301 {
2302     print_syscall_prologue(name);
2303     print_at_dirfd(arg0, 0);
2304     print_string(arg1, 0);
2305     print_at_dirfd(arg2, 0);
2306     print_string(arg3, 1);
2307     print_syscall_epilogue(name);
2308 }
2309 #endif
2310 
2311 #ifdef TARGET_NR_statfs
2312 static void
2313 print_statfs(const struct syscallname *name,
2314     abi_long arg0, abi_long arg1, abi_long arg2,
2315     abi_long arg3, abi_long arg4, abi_long arg5)
2316 {
2317     print_syscall_prologue(name);
2318     print_string(arg0, 0);
2319     print_pointer(arg1, 1);
2320     print_syscall_epilogue(name);
2321 }
2322 #endif
2323 
2324 #ifdef TARGET_NR_statfs64
2325 static void
2326 print_statfs64(const struct syscallname *name,
2327     abi_long arg0, abi_long arg1, abi_long arg2,
2328     abi_long arg3, abi_long arg4, abi_long arg5)
2329 {
2330     print_syscall_prologue(name);
2331     print_string(arg0, 0);
2332     print_pointer(arg1, 1);
2333     print_syscall_epilogue(name);
2334 }
2335 #endif
2336 
2337 #ifdef TARGET_NR_symlink
2338 static void
2339 print_symlink(const struct syscallname *name,
2340     abi_long arg0, abi_long arg1, abi_long arg2,
2341     abi_long arg3, abi_long arg4, abi_long arg5)
2342 {
2343     print_syscall_prologue(name);
2344     print_string(arg0, 0);
2345     print_string(arg1, 1);
2346     print_syscall_epilogue(name);
2347 }
2348 #endif
2349 
2350 #ifdef TARGET_NR_symlinkat
2351 static void
2352 print_symlinkat(const struct syscallname *name,
2353     abi_long arg0, abi_long arg1, abi_long arg2,
2354     abi_long arg3, abi_long arg4, abi_long arg5)
2355 {
2356     print_syscall_prologue(name);
2357     print_string(arg0, 0);
2358     print_at_dirfd(arg1, 0);
2359     print_string(arg2, 1);
2360     print_syscall_epilogue(name);
2361 }
2362 #endif
2363 
2364 #ifdef TARGET_NR_mount
2365 static void
2366 print_mount(const struct syscallname *name,
2367     abi_long arg0, abi_long arg1, abi_long arg2,
2368     abi_long arg3, abi_long arg4, abi_long arg5)
2369 {
2370     print_syscall_prologue(name);
2371     print_string(arg0, 0);
2372     print_string(arg1, 0);
2373     print_string(arg2, 0);
2374     print_flags(mount_flags, arg3, 0);
2375     print_pointer(arg4, 1);
2376     print_syscall_epilogue(name);
2377 }
2378 #endif
2379 
2380 #ifdef TARGET_NR_umount
2381 static void
2382 print_umount(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, 1);
2388     print_syscall_epilogue(name);
2389 }
2390 #endif
2391 
2392 #ifdef TARGET_NR_umount2
2393 static void
2394 print_umount2(const struct syscallname *name,
2395     abi_long arg0, abi_long arg1, abi_long arg2,
2396     abi_long arg3, abi_long arg4, abi_long arg5)
2397 {
2398     print_syscall_prologue(name);
2399     print_string(arg0, 0);
2400     print_flags(umount2_flags, arg1, 1);
2401     print_syscall_epilogue(name);
2402 }
2403 #endif
2404 
2405 #ifdef TARGET_NR_unlink
2406 static void
2407 print_unlink(const struct syscallname *name,
2408     abi_long arg0, abi_long arg1, abi_long arg2,
2409     abi_long arg3, abi_long arg4, abi_long arg5)
2410 {
2411     print_syscall_prologue(name);
2412     print_string(arg0, 1);
2413     print_syscall_epilogue(name);
2414 }
2415 #endif
2416 
2417 #ifdef TARGET_NR_unlinkat
2418 static void
2419 print_unlinkat(const struct syscallname *name,
2420     abi_long arg0, abi_long arg1, abi_long arg2,
2421     abi_long arg3, abi_long arg4, abi_long arg5)
2422 {
2423     print_syscall_prologue(name);
2424     print_at_dirfd(arg0, 0);
2425     print_string(arg1, 0);
2426     print_flags(unlinkat_flags, arg2, 1);
2427     print_syscall_epilogue(name);
2428 }
2429 #endif
2430 
2431 #ifdef TARGET_NR_utime
2432 static void
2433 print_utime(const struct syscallname *name,
2434     abi_long arg0, abi_long arg1, abi_long arg2,
2435     abi_long arg3, abi_long arg4, abi_long arg5)
2436 {
2437     print_syscall_prologue(name);
2438     print_string(arg0, 0);
2439     print_pointer(arg1, 1);
2440     print_syscall_epilogue(name);
2441 }
2442 #endif
2443 
2444 #ifdef TARGET_NR_utimes
2445 static void
2446 print_utimes(const struct syscallname *name,
2447     abi_long arg0, abi_long arg1, abi_long arg2,
2448     abi_long arg3, abi_long arg4, abi_long arg5)
2449 {
2450     print_syscall_prologue(name);
2451     print_string(arg0, 0);
2452     print_pointer(arg1, 1);
2453     print_syscall_epilogue(name);
2454 }
2455 #endif
2456 
2457 #ifdef TARGET_NR_utimensat
2458 static void
2459 print_utimensat(const struct syscallname *name,
2460     abi_long arg0, abi_long arg1, abi_long arg2,
2461     abi_long arg3, abi_long arg4, abi_long arg5)
2462 {
2463     print_syscall_prologue(name);
2464     print_at_dirfd(arg0, 0);
2465     print_string(arg1, 0);
2466     print_pointer(arg2, 0);
2467     print_flags(at_file_flags, arg3, 1);
2468     print_syscall_epilogue(name);
2469 }
2470 #endif
2471 
2472 #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2)
2473 static void
2474 print_mmap(const struct syscallname *name,
2475     abi_long arg0, abi_long arg1, abi_long arg2,
2476     abi_long arg3, abi_long arg4, abi_long arg5)
2477 {
2478     print_syscall_prologue(name);
2479     print_pointer(arg0, 0);
2480     print_raw_param("%d", arg1, 0);
2481     print_flags(mmap_prot_flags, arg2, 0);
2482     print_flags(mmap_flags, arg3, 0);
2483     print_raw_param("%d", arg4, 0);
2484     print_raw_param("%#x", arg5, 1);
2485     print_syscall_epilogue(name);
2486 }
2487 #define print_mmap2     print_mmap
2488 #endif
2489 
2490 #ifdef TARGET_NR_mprotect
2491 static void
2492 print_mprotect(const struct syscallname *name,
2493     abi_long arg0, abi_long arg1, abi_long arg2,
2494     abi_long arg3, abi_long arg4, abi_long arg5)
2495 {
2496     print_syscall_prologue(name);
2497     print_pointer(arg0, 0);
2498     print_raw_param("%d", arg1, 0);
2499     print_flags(mmap_prot_flags, arg2, 1);
2500     print_syscall_epilogue(name);
2501 }
2502 #endif
2503 
2504 #ifdef TARGET_NR_munmap
2505 static void
2506 print_munmap(const struct syscallname *name,
2507     abi_long arg0, abi_long arg1, abi_long arg2,
2508     abi_long arg3, abi_long arg4, abi_long arg5)
2509 {
2510     print_syscall_prologue(name);
2511     print_pointer(arg0, 0);
2512     print_raw_param("%d", arg1, 1);
2513     print_syscall_epilogue(name);
2514 }
2515 #endif
2516 
2517 #ifdef TARGET_NR_futex
2518 static void print_futex_op(abi_long tflag, int last)
2519 {
2520 #define print_op(val) \
2521 if( cmd == val ) { \
2522     gemu_log(#val); \
2523     return; \
2524 }
2525 
2526     int cmd = (int)tflag;
2527 #ifdef FUTEX_PRIVATE_FLAG
2528     if (cmd & FUTEX_PRIVATE_FLAG) {
2529         gemu_log("FUTEX_PRIVATE_FLAG|");
2530         cmd &= ~FUTEX_PRIVATE_FLAG;
2531     }
2532 #endif
2533 #ifdef FUTEX_CLOCK_REALTIME
2534     if (cmd & FUTEX_CLOCK_REALTIME) {
2535         gemu_log("FUTEX_CLOCK_REALTIME|");
2536         cmd &= ~FUTEX_CLOCK_REALTIME;
2537     }
2538 #endif
2539     print_op(FUTEX_WAIT)
2540     print_op(FUTEX_WAKE)
2541     print_op(FUTEX_FD)
2542     print_op(FUTEX_REQUEUE)
2543     print_op(FUTEX_CMP_REQUEUE)
2544     print_op(FUTEX_WAKE_OP)
2545     print_op(FUTEX_LOCK_PI)
2546     print_op(FUTEX_UNLOCK_PI)
2547     print_op(FUTEX_TRYLOCK_PI)
2548 #ifdef FUTEX_WAIT_BITSET
2549     print_op(FUTEX_WAIT_BITSET)
2550 #endif
2551 #ifdef FUTEX_WAKE_BITSET
2552     print_op(FUTEX_WAKE_BITSET)
2553 #endif
2554     /* unknown values */
2555     gemu_log("%d",cmd);
2556 }
2557 
2558 static void
2559 print_futex(const struct syscallname *name,
2560     abi_long arg0, abi_long arg1, abi_long arg2,
2561     abi_long arg3, abi_long arg4, abi_long arg5)
2562 {
2563     print_syscall_prologue(name);
2564     print_pointer(arg0, 0);
2565     print_futex_op(arg1, 0);
2566     print_raw_param(",%d", arg2, 0);
2567     print_pointer(arg3, 0); /* struct timespec */
2568     print_pointer(arg4, 0);
2569     print_raw_param("%d", arg4, 1);
2570     print_syscall_epilogue(name);
2571 }
2572 #endif
2573 
2574 #ifdef TARGET_NR_kill
2575 static void
2576 print_kill(const struct syscallname *name,
2577     abi_long arg0, abi_long arg1, abi_long arg2,
2578     abi_long arg3, abi_long arg4, abi_long arg5)
2579 {
2580     print_syscall_prologue(name);
2581     print_raw_param("%d", arg0, 0);
2582     print_signal(arg1, 1);
2583     print_syscall_epilogue(name);
2584 }
2585 #endif
2586 
2587 #ifdef TARGET_NR_tkill
2588 static void
2589 print_tkill(const struct syscallname *name,
2590     abi_long arg0, abi_long arg1, abi_long arg2,
2591     abi_long arg3, abi_long arg4, abi_long arg5)
2592 {
2593     print_syscall_prologue(name);
2594     print_raw_param("%d", arg0, 0);
2595     print_signal(arg1, 1);
2596     print_syscall_epilogue(name);
2597 }
2598 #endif
2599 
2600 #ifdef TARGET_NR_tgkill
2601 static void
2602 print_tgkill(const struct syscallname *name,
2603     abi_long arg0, abi_long arg1, abi_long arg2,
2604     abi_long arg3, abi_long arg4, abi_long arg5)
2605 {
2606     print_syscall_prologue(name);
2607     print_raw_param("%d", arg0, 0);
2608     print_raw_param("%d", arg1, 0);
2609     print_signal(arg2, 1);
2610     print_syscall_epilogue(name);
2611 }
2612 #endif
2613 
2614 /*
2615  * An array of all of the syscalls we know about
2616  */
2617 
2618 static const struct syscallname scnames[] = {
2619 #include "strace.list"
2620 };
2621 
2622 static int nsyscalls = ARRAY_SIZE(scnames);
2623 
2624 /*
2625  * The public interface to this module.
2626  */
2627 void
2628 print_syscall(int num,
2629               abi_long arg1, abi_long arg2, abi_long arg3,
2630               abi_long arg4, abi_long arg5, abi_long arg6)
2631 {
2632     int i;
2633     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 ")";
2634 
2635     gemu_log("%d ", getpid() );
2636 
2637     for(i=0;i<nsyscalls;i++)
2638         if( scnames[i].nr == num ) {
2639             if( scnames[i].call != NULL ) {
2640                 scnames[i].call(&scnames[i],arg1,arg2,arg3,arg4,arg5,arg6);
2641             } else {
2642                 /* XXX: this format system is broken because it uses
2643                    host types and host pointers for strings */
2644                 if( scnames[i].format != NULL )
2645                     format = scnames[i].format;
2646                 gemu_log(format,scnames[i].name, arg1,arg2,arg3,arg4,arg5,arg6);
2647             }
2648             return;
2649         }
2650     gemu_log("Unknown syscall %d\n", num);
2651 }
2652 
2653 
2654 void
2655 print_syscall_ret(int num, abi_long ret)
2656 {
2657     int i;
2658     const char *errstr = NULL;
2659 
2660     for(i=0;i<nsyscalls;i++)
2661         if( scnames[i].nr == num ) {
2662             if( scnames[i].result != NULL ) {
2663                 scnames[i].result(&scnames[i],ret);
2664             } else {
2665                 if (ret < 0) {
2666                     errstr = target_strerror(-ret);
2667                 }
2668                 if (errstr) {
2669                     gemu_log(" = -1 errno=" TARGET_ABI_FMT_ld " (%s)\n",
2670                              -ret, errstr);
2671                 } else {
2672                     gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
2673                 }
2674             }
2675             break;
2676         }
2677 }
2678 
2679 void print_taken_signal(int target_signum, const target_siginfo_t *tinfo)
2680 {
2681     /* Print the strace output for a signal being taken:
2682      * --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=0} ---
2683      */
2684     gemu_log("--- ");
2685     print_signal(target_signum, 1);
2686     gemu_log(" ");
2687     print_siginfo(tinfo);
2688     gemu_log(" ---\n");
2689 }
2690