xref: /illumos-kvm-cmd/linux-user/strace.c (revision 68396ea9)
1 #include <stdio.h>
2 #include <errno.h>
3 #include <sys/ipc.h>
4 #include <sys/msg.h>
5 #include <sys/sem.h>
6 #include <sys/shm.h>
7 #include <sys/select.h>
8 #include <sys/types.h>
9 #include <sys/mount.h>
10 #include <sys/mman.h>
11 #include <unistd.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_raw_param(const char *, abi_long, int);
64 UNUSED static void print_timeval(abi_ulong, int);
65 UNUSED static void print_number(abi_long, int);
66 
67 /*
68  * Utility functions
69  */
70 static void
print_ipc_cmd(int cmd)71 print_ipc_cmd(int cmd)
72 {
73 #define output_cmd(val) \
74 if( cmd == val ) { \
75     gemu_log(#val); \
76     return; \
77 }
78 
79     cmd &= 0xff;
80 
81     /* General IPC commands */
82     output_cmd( IPC_RMID );
83     output_cmd( IPC_SET );
84     output_cmd( IPC_STAT );
85     output_cmd( IPC_INFO );
86     /* msgctl() commands */
87     #ifdef __USER_MISC
88     output_cmd( MSG_STAT );
89     output_cmd( MSG_INFO );
90     #endif
91     /* shmctl() commands */
92     output_cmd( SHM_LOCK );
93     output_cmd( SHM_UNLOCK );
94     output_cmd( SHM_STAT );
95     output_cmd( SHM_INFO );
96     /* semctl() commands */
97     output_cmd( GETPID );
98     output_cmd( GETVAL );
99     output_cmd( GETALL );
100     output_cmd( GETNCNT );
101     output_cmd( GETZCNT );
102     output_cmd( SETVAL );
103     output_cmd( SETALL );
104     output_cmd( SEM_STAT );
105     output_cmd( SEM_INFO );
106     output_cmd( IPC_RMID );
107     output_cmd( IPC_RMID );
108     output_cmd( IPC_RMID );
109     output_cmd( IPC_RMID );
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 
116     /* Some value we don't recognize */
117     gemu_log("%d",cmd);
118 }
119 
120 #ifdef TARGET_NR__newselect
121 static void
print_fdset(int n,abi_ulong target_fds_addr)122 print_fdset(int n, abi_ulong target_fds_addr)
123 {
124     int i;
125 
126     gemu_log("[");
127     if( target_fds_addr ) {
128         abi_long *target_fds;
129 
130         target_fds = lock_user(VERIFY_READ,
131                                target_fds_addr,
132                                sizeof(*target_fds)*(n / TARGET_ABI_BITS + 1),
133                                1);
134 
135         if (!target_fds)
136             return;
137 
138         for (i=n; i>=0; i--) {
139             if ((tswapl(target_fds[i / TARGET_ABI_BITS]) >> (i & (TARGET_ABI_BITS - 1))) & 1)
140                 gemu_log("%d,", i );
141             }
142         unlock_user(target_fds, target_fds_addr, 0);
143     }
144     gemu_log("]");
145 }
146 #endif
147 
148 /*
149  * Sysycall specific output functions
150  */
151 
152 /* select */
153 #ifdef TARGET_NR__newselect
154 static long newselect_arg1 = 0;
155 static long newselect_arg2 = 0;
156 static long newselect_arg3 = 0;
157 static long newselect_arg4 = 0;
158 static long newselect_arg5 = 0;
159 
160 static void
print_newselect(const struct syscallname * name,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5,abi_long arg6)161 print_newselect(const struct syscallname *name,
162                 abi_long arg1, abi_long arg2, abi_long arg3,
163                 abi_long arg4, abi_long arg5, abi_long arg6)
164 {
165     gemu_log("%s(" TARGET_ABI_FMT_ld ",", name->name, arg1);
166     print_fdset(arg1, arg2);
167     gemu_log(",");
168     print_fdset(arg1, arg3);
169     gemu_log(",");
170     print_fdset(arg1, arg4);
171     gemu_log(",");
172     print_timeval(arg5, 1);
173     gemu_log(")");
174 
175     /* save for use in the return output function below */
176     newselect_arg1=arg1;
177     newselect_arg2=arg2;
178     newselect_arg3=arg3;
179     newselect_arg4=arg4;
180     newselect_arg5=arg5;
181 }
182 #endif
183 
184 #ifdef TARGET_NR_semctl
185 static void
print_semctl(const struct syscallname * name,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5,abi_long arg6)186 print_semctl(const struct syscallname *name,
187              abi_long arg1, abi_long arg2, abi_long arg3,
188              abi_long arg4, abi_long arg5, abi_long arg6)
189 {
190     gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", name->name, arg1, arg2);
191     print_ipc_cmd(arg3);
192     gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
193 }
194 #endif
195 
196 static void
print_execve(const struct syscallname * name,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5,abi_long arg6)197 print_execve(const struct syscallname *name,
198              abi_long arg1, abi_long arg2, abi_long arg3,
199              abi_long arg4, abi_long arg5, abi_long arg6)
200 {
201     abi_ulong arg_ptr_addr;
202     char *s;
203 
204     if (!(s = lock_user_string(arg1)))
205         return;
206     gemu_log("%s(\"%s\",{", name->name, s);
207     unlock_user(s, arg1, 0);
208 
209     for (arg_ptr_addr = arg2; ; arg_ptr_addr += sizeof(abi_ulong)) {
210         abi_ulong *arg_ptr, arg_addr;
211 
212 	arg_ptr = lock_user(VERIFY_READ, arg_ptr_addr, sizeof(abi_ulong), 1);
213         if (!arg_ptr)
214             return;
215 	arg_addr = tswapl(*arg_ptr);
216 	unlock_user(arg_ptr, arg_ptr_addr, 0);
217         if (!arg_addr)
218             break;
219         if ((s = lock_user_string(arg_addr))) {
220             gemu_log("\"%s\",", s);
221             unlock_user(s, arg_addr, 0);
222         }
223     }
224 
225     gemu_log("NULL})");
226 }
227 
228 #ifdef TARGET_NR_ipc
229 static void
print_ipc(const struct syscallname * name,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5,abi_long arg6)230 print_ipc(const struct syscallname *name,
231           abi_long arg1, abi_long arg2, abi_long arg3,
232           abi_long arg4, abi_long arg5, abi_long arg6)
233 {
234     switch(arg1) {
235     case IPCOP_semctl:
236         gemu_log("semctl(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ",", arg1, arg2);
237         print_ipc_cmd(arg3);
238         gemu_log(",0x" TARGET_ABI_FMT_lx ")", arg4);
239         break;
240     default:
241         gemu_log("%s(" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld ")",
242                  name->name, arg1, arg2, arg3, arg4);
243     }
244 }
245 #endif
246 
247 /*
248  * Variants for the return value output function
249  */
250 
251 static void
print_syscall_ret_addr(const struct syscallname * name,abi_long ret)252 print_syscall_ret_addr(const struct syscallname *name, abi_long ret)
253 {
254 if( ret == -1 ) {
255         gemu_log(" = -1 errno=%d (%s)\n", errno, target_strerror(errno));
256     } else {
257         gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
258     }
259 }
260 
261 #if 0 /* currently unused */
262 static void
263 print_syscall_ret_raw(struct syscallname *name, abi_long ret)
264 {
265         gemu_log(" = 0x" TARGET_ABI_FMT_lx "\n", ret);
266 }
267 #endif
268 
269 #ifdef TARGET_NR__newselect
270 static void
print_syscall_ret_newselect(const struct syscallname * name,abi_long ret)271 print_syscall_ret_newselect(const struct syscallname *name, abi_long ret)
272 {
273     gemu_log(" = 0x" TARGET_ABI_FMT_lx " (", ret);
274     print_fdset(newselect_arg1,newselect_arg2);
275     gemu_log(",");
276     print_fdset(newselect_arg1,newselect_arg3);
277     gemu_log(",");
278     print_fdset(newselect_arg1,newselect_arg4);
279     gemu_log(",");
280     print_timeval(newselect_arg5, 1);
281     gemu_log(")\n");
282 }
283 #endif
284 
285 UNUSED static struct flags access_flags[] = {
286     FLAG_GENERIC(F_OK),
287     FLAG_GENERIC(R_OK),
288     FLAG_GENERIC(W_OK),
289     FLAG_GENERIC(X_OK),
290     FLAG_END,
291 };
292 
293 UNUSED static struct flags at_file_flags[] = {
294 #ifdef AT_EACCESS
295     FLAG_GENERIC(AT_EACCESS),
296 #endif
297 #ifdef AT_SYMLINK_NOFOLLOW
298     FLAG_GENERIC(AT_SYMLINK_NOFOLLOW),
299 #endif
300     FLAG_END,
301 };
302 
303 UNUSED static struct flags unlinkat_flags[] = {
304 #ifdef AT_REMOVEDIR
305     FLAG_GENERIC(AT_REMOVEDIR),
306 #endif
307     FLAG_END,
308 };
309 
310 UNUSED static struct flags mode_flags[] = {
311     FLAG_GENERIC(S_IFSOCK),
312     FLAG_GENERIC(S_IFLNK),
313     FLAG_GENERIC(S_IFREG),
314     FLAG_GENERIC(S_IFBLK),
315     FLAG_GENERIC(S_IFDIR),
316     FLAG_GENERIC(S_IFCHR),
317     FLAG_GENERIC(S_IFIFO),
318     FLAG_END,
319 };
320 
321 UNUSED static struct flags open_access_flags[] = {
322     FLAG_TARGET(O_RDONLY),
323     FLAG_TARGET(O_WRONLY),
324     FLAG_TARGET(O_RDWR),
325     FLAG_END,
326 };
327 
328 UNUSED static struct flags open_flags[] = {
329     FLAG_TARGET(O_APPEND),
330     FLAG_TARGET(O_CREAT),
331     FLAG_TARGET(O_DIRECTORY),
332     FLAG_TARGET(O_EXCL),
333     FLAG_TARGET(O_LARGEFILE),
334     FLAG_TARGET(O_NOCTTY),
335     FLAG_TARGET(O_NOFOLLOW),
336     FLAG_TARGET(O_NONBLOCK),      /* also O_NDELAY */
337     FLAG_TARGET(O_SYNC),
338     FLAG_TARGET(O_TRUNC),
339 #ifdef O_DIRECT
340     FLAG_TARGET(O_DIRECT),
341 #endif
342     FLAG_END,
343 };
344 
345 UNUSED static struct flags mount_flags[] = {
346 #ifdef MS_BIND
347     FLAG_GENERIC(MS_BIND),
348 #endif
349 #ifdef MS_DIRSYNC
350     FLAG_GENERIC(MS_DIRSYNC),
351 #endif
352     FLAG_GENERIC(MS_MANDLOCK),
353 #ifdef MS_MOVE
354     FLAG_GENERIC(MS_MOVE),
355 #endif
356     FLAG_GENERIC(MS_NOATIME),
357     FLAG_GENERIC(MS_NODEV),
358     FLAG_GENERIC(MS_NODIRATIME),
359     FLAG_GENERIC(MS_NOEXEC),
360     FLAG_GENERIC(MS_NOSUID),
361     FLAG_GENERIC(MS_RDONLY),
362 #ifdef MS_RELATIME
363     FLAG_GENERIC(MS_RELATIME),
364 #endif
365     FLAG_GENERIC(MS_REMOUNT),
366     FLAG_GENERIC(MS_SYNCHRONOUS),
367     FLAG_END,
368 };
369 
370 UNUSED static struct flags umount2_flags[] = {
371 #ifdef MNT_FORCE
372     FLAG_GENERIC(MNT_FORCE),
373 #endif
374 #ifdef MNT_DETACH
375     FLAG_GENERIC(MNT_DETACH),
376 #endif
377 #ifdef MNT_EXPIRE
378     FLAG_GENERIC(MNT_EXPIRE),
379 #endif
380     FLAG_END,
381 };
382 
383 UNUSED static struct flags mmap_prot_flags[] = {
384     FLAG_GENERIC(PROT_NONE),
385     FLAG_GENERIC(PROT_EXEC),
386     FLAG_GENERIC(PROT_READ),
387     FLAG_GENERIC(PROT_WRITE),
388     FLAG_TARGET(PROT_SEM),
389     FLAG_GENERIC(PROT_GROWSDOWN),
390     FLAG_GENERIC(PROT_GROWSUP),
391     FLAG_END,
392 };
393 
394 UNUSED static struct flags mmap_flags[] = {
395     FLAG_TARGET(MAP_SHARED),
396     FLAG_TARGET(MAP_PRIVATE),
397     FLAG_TARGET(MAP_ANONYMOUS),
398     FLAG_TARGET(MAP_DENYWRITE),
399     FLAG_TARGET(MAP_FIXED),
400     FLAG_TARGET(MAP_GROWSDOWN),
401 #ifdef MAP_LOCKED
402     FLAG_TARGET(MAP_LOCKED),
403 #endif
404 #ifdef MAP_NONBLOCK
405     FLAG_TARGET(MAP_NONBLOCK),
406 #endif
407     FLAG_TARGET(MAP_NORESERVE),
408 #ifdef MAP_POPULATE
409     FLAG_TARGET(MAP_POPULATE),
410 #endif
411     FLAG_END,
412 };
413 
414 UNUSED static struct flags fcntl_flags[] = {
415     FLAG_TARGET(F_DUPFD),
416     FLAG_TARGET(F_GETFD),
417     FLAG_TARGET(F_SETFD),
418     FLAG_TARGET(F_GETFL),
419     FLAG_TARGET(F_SETFL),
420     FLAG_TARGET(F_GETLK),
421     FLAG_TARGET(F_SETLK),
422     FLAG_TARGET(F_SETLKW),
423     FLAG_END,
424 };
425 
426 /*
427  * print_xxx utility functions.  These are used to print syscall
428  * parameters in certain format.  All of these have parameter
429  * named 'last'.  This parameter is used to add comma to output
430  * when last == 0.
431  */
432 
433 static const char *
get_comma(int last)434 get_comma(int last)
435 {
436     return ((last) ? "" : ",");
437 }
438 
439 static void
print_flags(const struct flags * f,abi_long tflags,int last)440 print_flags(const struct flags *f, abi_long tflags, int last)
441 {
442     const char *sep = "";
443     int flags;
444     int n;
445 
446     flags = (int)tswap32(tflags);
447 
448     if ((flags == 0) && (f->f_value == 0)) {
449         gemu_log("%s%s", f->f_string, get_comma(last));
450         return;
451     }
452     for (n = 0; f->f_string != NULL; f++) {
453         if ((f->f_value != 0) && ((flags & f->f_value) == f->f_value)) {
454             gemu_log("%s%s", sep, f->f_string);
455             flags &= ~f->f_value;
456             sep = "|";
457             n++;
458         }
459     }
460 
461     if (n > 0) {
462         /* print rest of the flags as numeric */
463         if (flags != 0) {
464             gemu_log("%s%#x%s", sep, flags, get_comma(last));
465         } else {
466             gemu_log("%s", get_comma(last));
467         }
468     } else {
469         /* no string version of flags found, print them in hex then */
470         gemu_log("%#x%s", flags, get_comma(last));
471     }
472 }
473 
474 static void
print_at_dirfd(abi_long tdirfd,int last)475 print_at_dirfd(abi_long tdirfd, int last)
476 {
477     int dirfd = tswap32(tdirfd);
478 
479 #ifdef AT_FDCWD
480     if (dirfd == AT_FDCWD) {
481         gemu_log("AT_FDCWD%s", get_comma(last));
482         return;
483     }
484 #endif
485     gemu_log("%d%s", dirfd, get_comma(last));
486 }
487 
488 static void
print_file_mode(abi_long tmode,int last)489 print_file_mode(abi_long tmode, int last)
490 {
491     const char *sep = "";
492     const struct flags *m;
493     mode_t mode = (mode_t)tswap32(tmode);
494 
495     for (m = &mode_flags[0]; m->f_string != NULL; m++) {
496         if ((m->f_value & mode) == m->f_value) {
497             gemu_log("%s%s", m->f_string, sep);
498             sep = "|";
499             mode &= ~m->f_value;
500             break;
501         }
502     }
503 
504     mode &= ~S_IFMT;
505     /* print rest of the mode as octal */
506     if (mode != 0)
507         gemu_log("%s%#o", sep, mode);
508 
509     gemu_log("%s", get_comma(last));
510 }
511 
512 static void
print_open_flags(abi_long tflags,int last)513 print_open_flags(abi_long tflags, int last)
514 {
515     int flags = tswap32(tflags);
516 
517     print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1);
518     flags &= ~TARGET_O_ACCMODE;
519     if (flags == 0) {
520         gemu_log("%s", get_comma(last));
521         return;
522     }
523     gemu_log("|");
524     print_flags(open_flags, flags, last);
525 }
526 
527 static void
print_syscall_prologue(const struct syscallname * sc)528 print_syscall_prologue(const struct syscallname *sc)
529 {
530     gemu_log("%s(", sc->name);
531 }
532 
533 /*ARGSUSED*/
534 static void
print_syscall_epilogue(const struct syscallname * sc)535 print_syscall_epilogue(const struct syscallname *sc)
536 {
537     (void)sc;
538     gemu_log(")");
539 }
540 
541 static void
print_string(abi_long addr,int last)542 print_string(abi_long addr, int last)
543 {
544     char *s;
545 
546     if ((s = lock_user_string(addr)) != NULL) {
547         gemu_log("\"%s\"%s", s, get_comma(last));
548         unlock_user(s, addr, 0);
549     } else {
550         /* can't get string out of it, so print it as pointer */
551         print_pointer(addr, last);
552     }
553 }
554 
555 /*
556  * Prints out raw parameter using given format.  Caller needs
557  * to do byte swapping if needed.
558  */
559 static void
print_raw_param(const char * fmt,abi_long param,int last)560 print_raw_param(const char *fmt, abi_long param, int last)
561 {
562     char format[64];
563 
564     (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last));
565     gemu_log(format, param);
566 }
567 
568 static void
print_pointer(abi_long p,int last)569 print_pointer(abi_long p, int last)
570 {
571     if (p == 0)
572         gemu_log("NULL%s", get_comma(last));
573     else
574         gemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last));
575 }
576 
577 /*
578  * Reads 32-bit (int) number from guest address space from
579  * address 'addr' and prints it.
580  */
581 static void
print_number(abi_long addr,int last)582 print_number(abi_long addr, int last)
583 {
584     if (addr == 0) {
585         gemu_log("NULL%s", get_comma(last));
586     } else {
587         int num;
588 
589         get_user_s32(num, addr);
590         gemu_log("[%d]%s", num, get_comma(last));
591     }
592 }
593 
594 static void
print_timeval(abi_ulong tv_addr,int last)595 print_timeval(abi_ulong tv_addr, int last)
596 {
597     if( tv_addr ) {
598         struct target_timeval *tv;
599 
600         tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1);
601         if (!tv)
602             return;
603         gemu_log("{" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "}%s",
604             tv->tv_sec, tv->tv_usec, get_comma(last));
605         unlock_user(tv, tv_addr, 0);
606     } else
607         gemu_log("NULL%s", get_comma(last));
608 }
609 
610 #undef UNUSED
611 
612 #ifdef TARGET_NR_accept
613 static void
print_accept(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)614 print_accept(const struct syscallname *name,
615     abi_long arg0, abi_long arg1, abi_long arg2,
616     abi_long arg3, abi_long arg4, abi_long arg5)
617 {
618     print_syscall_prologue(name);
619     print_raw_param("%d", tswap32(arg0), 0);
620     print_pointer(arg1, 0);
621     print_number(arg2, 1);
622     print_syscall_epilogue(name);
623 }
624 #endif
625 
626 #ifdef TARGET_NR_access
627 static void
print_access(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)628 print_access(const struct syscallname *name,
629     abi_long arg0, abi_long arg1, abi_long arg2,
630     abi_long arg3, abi_long arg4, abi_long arg5)
631 {
632     print_syscall_prologue(name);
633     print_string(arg0, 0);
634     print_flags(access_flags, arg1, 1);
635     print_syscall_epilogue(name);
636 }
637 #endif
638 
639 #ifdef TARGET_NR_brk
640 static void
print_brk(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)641 print_brk(const struct syscallname *name,
642     abi_long arg0, abi_long arg1, abi_long arg2,
643     abi_long arg3, abi_long arg4, abi_long arg5)
644 {
645     print_syscall_prologue(name);
646     print_pointer(arg0, 1);
647     print_syscall_epilogue(name);
648 }
649 #endif
650 
651 #ifdef TARGET_NR_chdir
652 static void
print_chdir(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)653 print_chdir(const struct syscallname *name,
654     abi_long arg0, abi_long arg1, abi_long arg2,
655     abi_long arg3, abi_long arg4, abi_long arg5)
656 {
657     print_syscall_prologue(name);
658     print_string(arg0, 1);
659     print_syscall_epilogue(name);
660 }
661 #endif
662 
663 #ifdef TARGET_NR_chmod
664 static void
print_chmod(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)665 print_chmod(const struct syscallname *name,
666     abi_long arg0, abi_long arg1, abi_long arg2,
667     abi_long arg3, abi_long arg4, abi_long arg5)
668 {
669     print_syscall_prologue(name);
670     print_string(arg0, 0);
671     print_file_mode(arg1, 1);
672     print_syscall_epilogue(name);
673 }
674 #endif
675 
676 #ifdef TARGET_NR_creat
677 static void
print_creat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)678 print_creat(const struct syscallname *name,
679     abi_long arg0, abi_long arg1, abi_long arg2,
680     abi_long arg3, abi_long arg4, abi_long arg5)
681 {
682     print_syscall_prologue(name);
683     print_string(arg0, 0);
684     print_file_mode(arg1, 1);
685     print_syscall_epilogue(name);
686 }
687 #endif
688 
689 #ifdef TARGET_NR_execv
690 static void
print_execv(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)691 print_execv(const struct syscallname *name,
692     abi_long arg0, abi_long arg1, abi_long arg2,
693     abi_long arg3, abi_long arg4, abi_long arg5)
694 {
695     print_syscall_prologue(name);
696     print_string(arg0, 0);
697     print_raw_param("0x" TARGET_ABI_FMT_lx, tswapl(arg1), 1);
698     print_syscall_epilogue(name);
699 }
700 #endif
701 
702 #ifdef TARGET_NR_faccessat
703 static void
print_faccessat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)704 print_faccessat(const struct syscallname *name,
705     abi_long arg0, abi_long arg1, abi_long arg2,
706     abi_long arg3, abi_long arg4, abi_long arg5)
707 {
708     print_syscall_prologue(name);
709     print_at_dirfd(arg0, 0);
710     print_string(arg1, 0);
711     print_flags(access_flags, arg2, 0);
712     print_flags(at_file_flags, arg3, 1);
713     print_syscall_epilogue(name);
714 }
715 #endif
716 
717 #ifdef TARGET_NR_fchmodat
718 static void
print_fchmodat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)719 print_fchmodat(const struct syscallname *name,
720     abi_long arg0, abi_long arg1, abi_long arg2,
721     abi_long arg3, abi_long arg4, abi_long arg5)
722 {
723     print_syscall_prologue(name);
724     print_at_dirfd(arg0, 0);
725     print_string(arg1, 0);
726     print_file_mode(arg2, 0);
727     print_flags(at_file_flags, arg3, 1);
728     print_syscall_epilogue(name);
729 }
730 #endif
731 
732 #ifdef TARGET_NR_fchownat
733 static void
print_fchownat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)734 print_fchownat(const struct syscallname *name,
735     abi_long arg0, abi_long arg1, abi_long arg2,
736     abi_long arg3, abi_long arg4, abi_long arg5)
737 {
738     print_syscall_prologue(name);
739     print_at_dirfd(arg0, 0);
740     print_string(arg1, 0);
741 #ifdef USE_UID16
742     print_raw_param("%d", tswap16(arg2), 0);
743     print_raw_param("%d", tswap16(arg3), 0);
744 #else
745     print_raw_param("%d", tswap32(arg2), 0);
746     print_raw_param("%d", tswap32(arg3), 0);
747 #endif
748     print_flags(at_file_flags, arg4, 1);
749     print_syscall_epilogue(name);
750 }
751 #endif
752 
753 #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64)
754 static void
print_fcntl(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)755 print_fcntl(const struct syscallname *name,
756     abi_long arg0, abi_long arg1, abi_long arg2,
757     abi_long arg3, abi_long arg4, abi_long arg5)
758 {
759     print_syscall_prologue(name);
760     print_raw_param("%d", tswap32(arg0), 0);
761     print_flags(fcntl_flags, arg1, 0);
762     /*
763      * TODO: check flags and print following argument only
764      *       when needed.
765      */
766     print_pointer(arg2, 1);
767     print_syscall_epilogue(name);
768 }
769 #define print_fcntl64   print_fcntl
770 #endif
771 
772 
773 #ifdef TARGET_NR_futimesat
774 static void
print_futimesat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)775 print_futimesat(const struct syscallname *name,
776     abi_long arg0, abi_long arg1, abi_long arg2,
777     abi_long arg3, abi_long arg4, abi_long arg5)
778 {
779     print_syscall_prologue(name);
780     print_at_dirfd(arg0, 0);
781     print_string(arg1, 0);
782     print_timeval(arg2, 0);
783     print_timeval(arg2 + sizeof (struct target_timeval), 1);
784     print_syscall_epilogue(name);
785 }
786 #endif
787 
788 #ifdef TARGET_NR_link
789 static void
print_link(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)790 print_link(const struct syscallname *name,
791     abi_long arg0, abi_long arg1, abi_long arg2,
792     abi_long arg3, abi_long arg4, abi_long arg5)
793 {
794     print_syscall_prologue(name);
795     print_string(arg0, 0);
796     print_string(arg1, 1);
797     print_syscall_epilogue(name);
798 }
799 #endif
800 
801 #ifdef TARGET_NR_linkat
802 static void
print_linkat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)803 print_linkat(const struct syscallname *name,
804     abi_long arg0, abi_long arg1, abi_long arg2,
805     abi_long arg3, abi_long arg4, abi_long arg5)
806 {
807     print_syscall_prologue(name);
808     print_at_dirfd(arg0, 0);
809     print_string(arg1, 0);
810     print_at_dirfd(arg2, 0);
811     print_string(arg3, 0);
812     print_flags(at_file_flags, arg4, 1);
813     print_syscall_epilogue(name);
814 }
815 #endif
816 
817 #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \
818     defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64)
819 static void
print_stat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)820 print_stat(const struct syscallname *name,
821     abi_long arg0, abi_long arg1, abi_long arg2,
822     abi_long arg3, abi_long arg4, abi_long arg5)
823 {
824     print_syscall_prologue(name);
825     print_string(arg0, 0);
826     print_pointer(arg1, 1);
827     print_syscall_epilogue(name);
828 }
829 #define print_lstat     print_stat
830 #define print_stat64	print_stat
831 #define print_lstat64   print_stat
832 #endif
833 
834 #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
835 static void
print_fstat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)836 print_fstat(const struct syscallname *name,
837     abi_long arg0, abi_long arg1, abi_long arg2,
838     abi_long arg3, abi_long arg4, abi_long arg5)
839 {
840     print_syscall_prologue(name);
841     print_raw_param("%d", tswap32(arg0), 0);
842     print_pointer(arg1, 1);
843     print_syscall_epilogue(name);
844 }
845 #define print_fstat64     print_fstat
846 #endif
847 
848 #ifdef TARGET_NR_mkdir
849 static void
print_mkdir(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)850 print_mkdir(const struct syscallname *name,
851     abi_long arg0, abi_long arg1, abi_long arg2,
852     abi_long arg3, abi_long arg4, abi_long arg5)
853 {
854     print_syscall_prologue(name);
855     print_string(arg0, 0);
856     print_file_mode(arg1, 1);
857     print_syscall_epilogue(name);
858 }
859 #endif
860 
861 #ifdef TARGET_NR_mkdirat
862 static void
print_mkdirat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)863 print_mkdirat(const struct syscallname *name,
864     abi_long arg0, abi_long arg1, abi_long arg2,
865     abi_long arg3, abi_long arg4, abi_long arg5)
866 {
867     print_syscall_prologue(name);
868     print_at_dirfd(arg0, 0);
869     print_string(arg1, 0);
870     print_file_mode(arg2, 1);
871     print_syscall_epilogue(name);
872 }
873 #endif
874 
875 #ifdef TARGET_NR_mknod
876 static void
print_mknod(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)877 print_mknod(const struct syscallname *name,
878     abi_long arg0, abi_long arg1, abi_long arg2,
879     abi_long arg3, abi_long arg4, abi_long arg5)
880 {
881     int hasdev = (tswapl(arg1) & (S_IFCHR|S_IFBLK));
882 
883     print_syscall_prologue(name);
884     print_string(arg0, 0);
885     print_file_mode(arg1, (hasdev == 0));
886     if (hasdev) {
887         print_raw_param("makedev(%d", major(tswapl(arg2)), 0);
888         print_raw_param("%d)", minor(tswapl(arg2)), 1);
889     }
890     print_syscall_epilogue(name);
891 }
892 #endif
893 
894 #ifdef TARGET_NR_mknodat
895 static void
print_mknodat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)896 print_mknodat(const struct syscallname *name,
897     abi_long arg0, abi_long arg1, abi_long arg2,
898     abi_long arg3, abi_long arg4, abi_long arg5)
899 {
900     int hasdev = (tswapl(arg2) & (S_IFCHR|S_IFBLK));
901 
902     print_syscall_prologue(name);
903     print_at_dirfd(arg0, 0);
904     print_string(arg1, 0);
905     print_file_mode(arg2, (hasdev == 0));
906     if (hasdev) {
907         print_raw_param("makedev(%d", major(tswapl(arg3)), 0);
908         print_raw_param("%d)", minor(tswapl(arg3)), 1);
909     }
910     print_syscall_epilogue(name);
911 }
912 #endif
913 
914 #ifdef TARGET_NR_mq_open
915 static void
print_mq_open(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)916 print_mq_open(const struct syscallname *name,
917     abi_long arg0, abi_long arg1, abi_long arg2,
918     abi_long arg3, abi_long arg4, abi_long arg5)
919 {
920     int is_creat = (tswapl(arg1) & TARGET_O_CREAT);
921 
922     print_syscall_prologue(name);
923     print_string(arg0, 0);
924     print_open_flags(arg1, (is_creat == 0));
925     if (is_creat) {
926         print_file_mode(arg2, 0);
927         print_pointer(arg3, 1);
928     }
929     print_syscall_epilogue(name);
930 }
931 #endif
932 
933 #ifdef TARGET_NR_open
934 static void
print_open(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)935 print_open(const struct syscallname *name,
936     abi_long arg0, abi_long arg1, abi_long arg2,
937     abi_long arg3, abi_long arg4, abi_long arg5)
938 {
939     int is_creat = (tswap32(arg1) & TARGET_O_CREAT);
940 
941     print_syscall_prologue(name);
942     print_string(arg0, 0);
943     print_open_flags(arg1, (is_creat == 0));
944     if (is_creat)
945         print_file_mode(arg2, 1);
946     print_syscall_epilogue(name);
947 }
948 #endif
949 
950 #ifdef TARGET_NR_openat
951 static void
print_openat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)952 print_openat(const struct syscallname *name,
953     abi_long arg0, abi_long arg1, abi_long arg2,
954     abi_long arg3, abi_long arg4, abi_long arg5)
955 {
956     int is_creat = (tswap32(arg2) & TARGET_O_CREAT);
957 
958     print_syscall_prologue(name);
959     print_at_dirfd(arg0, 0);
960     print_string(arg1, 0);
961     print_open_flags(arg2, (is_creat == 0));
962     if (is_creat)
963         print_file_mode(arg3, 1);
964     print_syscall_epilogue(name);
965 }
966 #endif
967 
968 #ifdef TARGET_NR_mq_unlink
969 static void
print_mq_unlink(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)970 print_mq_unlink(const struct syscallname *name,
971     abi_long arg0, abi_long arg1, abi_long arg2,
972     abi_long arg3, abi_long arg4, abi_long arg5)
973 {
974     print_syscall_prologue(name);
975     print_string(arg0, 1);
976     print_syscall_epilogue(name);
977 }
978 #endif
979 
980 #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)
981 static void
print_fstatat64(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)982 print_fstatat64(const struct syscallname *name,
983     abi_long arg0, abi_long arg1, abi_long arg2,
984     abi_long arg3, abi_long arg4, abi_long arg5)
985 {
986     print_syscall_prologue(name);
987     print_at_dirfd(arg0, 0);
988     print_string(arg1, 0);
989     print_pointer(arg2, 0);
990     print_flags(at_file_flags, arg3, 1);
991     print_syscall_epilogue(name);
992 }
993 #define print_newfstatat    print_fstatat64
994 #endif
995 
996 #ifdef TARGET_NR_readlink
997 static void
print_readlink(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)998 print_readlink(const struct syscallname *name,
999     abi_long arg0, abi_long arg1, abi_long arg2,
1000     abi_long arg3, abi_long arg4, abi_long arg5)
1001 {
1002     print_syscall_prologue(name);
1003     print_string(arg0, 0);
1004     print_pointer(arg1, 0);
1005     print_raw_param("%u", tswapl(arg2), 1);
1006     print_syscall_epilogue(name);
1007 }
1008 #endif
1009 
1010 #ifdef TARGET_NR_readlinkat
1011 static void
print_readlinkat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1012 print_readlinkat(const struct syscallname *name,
1013     abi_long arg0, abi_long arg1, abi_long arg2,
1014     abi_long arg3, abi_long arg4, abi_long arg5)
1015 {
1016     print_syscall_prologue(name);
1017     print_at_dirfd(arg0, 0);
1018     print_string(arg1, 0);
1019     print_pointer(arg2, 0);
1020     print_raw_param("%u", tswapl(arg3), 1);
1021     print_syscall_epilogue(name);
1022 }
1023 #endif
1024 
1025 #ifdef TARGET_NR_rename
1026 static void
print_rename(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1027 print_rename(const struct syscallname *name,
1028     abi_long arg0, abi_long arg1, abi_long arg2,
1029     abi_long arg3, abi_long arg4, abi_long arg5)
1030 {
1031     print_syscall_prologue(name);
1032     print_string(arg0, 0);
1033     print_string(arg1, 1);
1034     print_syscall_epilogue(name);
1035 }
1036 #endif
1037 
1038 #ifdef TARGET_NR_renameat
1039 static void
print_renameat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1040 print_renameat(const struct syscallname *name,
1041     abi_long arg0, abi_long arg1, abi_long arg2,
1042     abi_long arg3, abi_long arg4, abi_long arg5)
1043 {
1044     print_syscall_prologue(name);
1045     print_at_dirfd(arg0, 0);
1046     print_string(arg1, 0);
1047     print_at_dirfd(arg2, 0);
1048     print_string(arg3, 1);
1049     print_syscall_epilogue(name);
1050 }
1051 #endif
1052 
1053 #ifdef TARGET_NR_statfs
1054 static void
print_statfs(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1055 print_statfs(const struct syscallname *name,
1056     abi_long arg0, abi_long arg1, abi_long arg2,
1057     abi_long arg3, abi_long arg4, abi_long arg5)
1058 {
1059     print_syscall_prologue(name);
1060     print_string(arg0, 0);
1061     print_pointer(arg1, 1);
1062     print_syscall_epilogue(name);
1063 }
1064 #define print_statfs64  print_statfs
1065 #endif
1066 
1067 #ifdef TARGET_NR_symlink
1068 static void
print_symlink(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1069 print_symlink(const struct syscallname *name,
1070     abi_long arg0, abi_long arg1, abi_long arg2,
1071     abi_long arg3, abi_long arg4, abi_long arg5)
1072 {
1073     print_syscall_prologue(name);
1074     print_string(arg0, 0);
1075     print_string(arg1, 1);
1076     print_syscall_epilogue(name);
1077 }
1078 #endif
1079 
1080 #ifdef TARGET_NR_symlinkat
1081 static void
print_symlinkat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1082 print_symlinkat(const struct syscallname *name,
1083     abi_long arg0, abi_long arg1, abi_long arg2,
1084     abi_long arg3, abi_long arg4, abi_long arg5)
1085 {
1086     print_syscall_prologue(name);
1087     print_string(arg0, 0);
1088     print_at_dirfd(arg1, 0);
1089     print_string(arg2, 1);
1090     print_syscall_epilogue(name);
1091 }
1092 #endif
1093 
1094 #ifdef TARGET_NR_mount
1095 static void
print_mount(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1096 print_mount(const struct syscallname *name,
1097     abi_long arg0, abi_long arg1, abi_long arg2,
1098     abi_long arg3, abi_long arg4, abi_long arg5)
1099 {
1100     print_syscall_prologue(name);
1101     print_string(arg0, 0);
1102     print_string(arg1, 0);
1103     print_string(arg2, 0);
1104     print_flags(mount_flags, arg3, 0);
1105     print_pointer(arg4, 1);
1106     print_syscall_epilogue(name);
1107 }
1108 #endif
1109 
1110 #ifdef TARGET_NR_umount
1111 static void
print_umount(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1112 print_umount(const struct syscallname *name,
1113     abi_long arg0, abi_long arg1, abi_long arg2,
1114     abi_long arg3, abi_long arg4, abi_long arg5)
1115 {
1116     print_syscall_prologue(name);
1117     print_string(arg0, 1);
1118     print_syscall_epilogue(name);
1119 }
1120 #endif
1121 
1122 #ifdef TARGET_NR_umount2
1123 static void
print_umount2(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1124 print_umount2(const struct syscallname *name,
1125     abi_long arg0, abi_long arg1, abi_long arg2,
1126     abi_long arg3, abi_long arg4, abi_long arg5)
1127 {
1128     print_syscall_prologue(name);
1129     print_string(arg0, 0);
1130     print_flags(umount2_flags, arg1, 1);
1131     print_syscall_epilogue(name);
1132 }
1133 #endif
1134 
1135 #ifdef TARGET_NR_unlink
1136 static void
print_unlink(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1137 print_unlink(const struct syscallname *name,
1138     abi_long arg0, abi_long arg1, abi_long arg2,
1139     abi_long arg3, abi_long arg4, abi_long arg5)
1140 {
1141     print_syscall_prologue(name);
1142     print_string(arg0, 1);
1143     print_syscall_epilogue(name);
1144 }
1145 #endif
1146 
1147 #ifdef TARGET_NR_unlinkat
1148 static void
print_unlinkat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1149 print_unlinkat(const struct syscallname *name,
1150     abi_long arg0, abi_long arg1, abi_long arg2,
1151     abi_long arg3, abi_long arg4, abi_long arg5)
1152 {
1153     print_syscall_prologue(name);
1154     print_at_dirfd(arg0, 0);
1155     print_string(arg1, 0);
1156     print_flags(unlinkat_flags, arg2, 1);
1157     print_syscall_epilogue(name);
1158 }
1159 #endif
1160 
1161 #ifdef TARGET_NR_utime
1162 static void
print_utime(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1163 print_utime(const struct syscallname *name,
1164     abi_long arg0, abi_long arg1, abi_long arg2,
1165     abi_long arg3, abi_long arg4, abi_long arg5)
1166 {
1167     print_syscall_prologue(name);
1168     print_string(arg0, 0);
1169     print_pointer(arg1, 1);
1170     print_syscall_epilogue(name);
1171 }
1172 #endif
1173 
1174 #ifdef TARGET_NR_utimes
1175 static void
print_utimes(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1176 print_utimes(const struct syscallname *name,
1177     abi_long arg0, abi_long arg1, abi_long arg2,
1178     abi_long arg3, abi_long arg4, abi_long arg5)
1179 {
1180     print_syscall_prologue(name);
1181     print_string(arg0, 0);
1182     print_pointer(arg1, 1);
1183     print_syscall_epilogue(name);
1184 }
1185 #endif
1186 
1187 #ifdef TARGET_NR_utimensat
1188 static void
print_utimensat(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1189 print_utimensat(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_at_dirfd(arg0, 0);
1195     print_string(arg1, 0);
1196     print_pointer(arg2, 0);
1197     print_flags(at_file_flags, arg3, 1);
1198     print_syscall_epilogue(name);
1199 }
1200 #endif
1201 
1202 #ifdef TARGET_NR_mmap
1203 static void
print_mmap(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1204 print_mmap(const struct syscallname *name,
1205     abi_long arg0, abi_long arg1, abi_long arg2,
1206     abi_long arg3, abi_long arg4, abi_long arg5)
1207 {
1208     print_syscall_prologue(name);
1209     print_pointer(arg0, 0);
1210     print_raw_param("%d", tswapl(arg1), 0);
1211     print_flags(mmap_prot_flags, arg2, 0);
1212     print_flags(mmap_flags, arg3, 0);
1213     print_raw_param("%d", tswapl(arg4), 0);
1214     print_raw_param("%#x", tswapl(arg5), 1);
1215     print_syscall_epilogue(name);
1216 }
1217 #define print_mmap2     print_mmap
1218 #endif
1219 
1220 #ifdef TARGET_NR_mprotect
1221 static void
print_mprotect(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1222 print_mprotect(const struct syscallname *name,
1223     abi_long arg0, abi_long arg1, abi_long arg2,
1224     abi_long arg3, abi_long arg4, abi_long arg5)
1225 {
1226     print_syscall_prologue(name);
1227     print_pointer(arg0, 0);
1228     print_raw_param("%d", tswapl(arg1), 0);
1229     print_flags(mmap_prot_flags, arg2, 1);
1230     print_syscall_epilogue(name);
1231 }
1232 #endif
1233 
1234 #ifdef TARGET_NR_munmap
1235 static void
print_munmap(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1236 print_munmap(const struct syscallname *name,
1237     abi_long arg0, abi_long arg1, abi_long arg2,
1238     abi_long arg3, abi_long arg4, abi_long arg5)
1239 {
1240     print_syscall_prologue(name);
1241     print_pointer(arg0, 0);
1242     print_raw_param("%d", tswapl(arg1), 1);
1243     print_syscall_epilogue(name);
1244 }
1245 #endif
1246 
1247 #ifdef TARGET_NR_futex
print_futex_op(abi_long tflag,int last)1248 static void print_futex_op(abi_long tflag, int last)
1249 {
1250 #define print_op(val) \
1251 if( cmd == val ) { \
1252     gemu_log(#val); \
1253     return; \
1254 }
1255 
1256     int cmd = (int)tswap32(tflag);
1257 #ifdef FUTEX_PRIVATE_FLAG
1258     if (cmd & FUTEX_PRIVATE_FLAG) {
1259         gemu_log("FUTEX_PRIVATE_FLAG|");
1260         cmd &= ~FUTEX_PRIVATE_FLAG;
1261     }
1262 #endif
1263     print_op(FUTEX_WAIT)
1264     print_op(FUTEX_WAKE)
1265     print_op(FUTEX_FD)
1266     print_op(FUTEX_REQUEUE)
1267     print_op(FUTEX_CMP_REQUEUE)
1268     print_op(FUTEX_WAKE_OP)
1269     print_op(FUTEX_LOCK_PI)
1270     print_op(FUTEX_UNLOCK_PI)
1271     print_op(FUTEX_TRYLOCK_PI)
1272 #ifdef FUTEX_WAIT_BITSET
1273     print_op(FUTEX_WAIT_BITSET)
1274 #endif
1275 #ifdef FUTEX_WAKE_BITSET
1276     print_op(FUTEX_WAKE_BITSET)
1277 #endif
1278     /* unknown values */
1279     gemu_log("%d",cmd);
1280 }
1281 
1282 static void
print_futex(const struct syscallname * name,abi_long arg0,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5)1283 print_futex(const struct syscallname *name,
1284     abi_long arg0, abi_long arg1, abi_long arg2,
1285     abi_long arg3, abi_long arg4, abi_long arg5)
1286 {
1287     print_syscall_prologue(name);
1288     print_pointer(arg0, 0);
1289     print_futex_op(arg1, 0);
1290     print_raw_param(",%d", tswapl(arg2), 0);
1291     print_pointer(arg3, 0); /* struct timespec */
1292     print_pointer(arg4, 0);
1293     print_raw_param("%d", tswapl(arg4), 1);
1294     print_syscall_epilogue(name);
1295 }
1296 #endif
1297 
1298 /*
1299  * An array of all of the syscalls we know about
1300  */
1301 
1302 static const struct syscallname scnames[] = {
1303 #include "strace.list"
1304 };
1305 
1306 static int nsyscalls = ARRAY_SIZE(scnames);
1307 
1308 /*
1309  * The public interface to this module.
1310  */
1311 void
print_syscall(int num,abi_long arg1,abi_long arg2,abi_long arg3,abi_long arg4,abi_long arg5,abi_long arg6)1312 print_syscall(int num,
1313               abi_long arg1, abi_long arg2, abi_long arg3,
1314               abi_long arg4, abi_long arg5, abi_long arg6)
1315 {
1316     int i;
1317     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 ")";
1318 
1319     gemu_log("%d ", getpid() );
1320 
1321     for(i=0;i<nsyscalls;i++)
1322         if( scnames[i].nr == num ) {
1323             if( scnames[i].call != NULL ) {
1324                 scnames[i].call(&scnames[i],arg1,arg2,arg3,arg4,arg5,arg6);
1325             } else {
1326                 /* XXX: this format system is broken because it uses
1327                    host types and host pointers for strings */
1328                 if( scnames[i].format != NULL )
1329                     format = scnames[i].format;
1330                 gemu_log(format,scnames[i].name, arg1,arg2,arg3,arg4,arg5,arg6);
1331             }
1332             return;
1333         }
1334     gemu_log("Unknown syscall %d\n", num);
1335 }
1336 
1337 
1338 void
print_syscall_ret(int num,abi_long ret)1339 print_syscall_ret(int num, abi_long ret)
1340 {
1341     int i;
1342 
1343     for(i=0;i<nsyscalls;i++)
1344         if( scnames[i].nr == num ) {
1345             if( scnames[i].result != NULL ) {
1346                 scnames[i].result(&scnames[i],ret);
1347             } else {
1348                 if( ret < 0 ) {
1349                     gemu_log(" = -1 errno=" TARGET_ABI_FMT_ld " (%s)\n", -ret, target_strerror(-ret));
1350                 } else {
1351                     gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
1352                 }
1353             }
1354             break;
1355         }
1356 }
1357