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_chmod 1239 static void 1240 print_chmod(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, 0); 1246 print_file_mode(arg1, 1); 1247 print_syscall_epilogue(name); 1248 } 1249 #endif 1250 1251 #ifdef TARGET_NR_clock_adjtime 1252 static void 1253 print_clock_adjtime(const struct syscallname *name, 1254 abi_long arg0, abi_long arg1, abi_long arg2, 1255 abi_long arg3, abi_long arg4, abi_long arg5) 1256 { 1257 print_syscall_prologue(name); 1258 print_clockid(arg0, 0); 1259 print_pointer(arg1, 1); 1260 print_syscall_epilogue(name); 1261 } 1262 #endif 1263 1264 #ifdef TARGET_NR_clone 1265 static void do_print_clone(unsigned int flags, abi_ulong newsp, 1266 abi_ulong parent_tidptr, target_ulong newtls, 1267 abi_ulong child_tidptr) 1268 { 1269 print_flags(clone_flags, flags, 0); 1270 print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, newsp, 0); 1271 print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, parent_tidptr, 0); 1272 print_raw_param("tls=0x" TARGET_ABI_FMT_lx, newtls, 0); 1273 print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, child_tidptr, 1); 1274 } 1275 1276 static void 1277 print_clone(const struct syscallname *name, 1278 abi_long arg1, abi_long arg2, abi_long arg3, 1279 abi_long arg4, abi_long arg5, abi_long arg6) 1280 { 1281 print_syscall_prologue(name); 1282 #if defined(TARGET_MICROBLAZE) 1283 do_print_clone(arg1, arg2, arg4, arg6, arg5); 1284 #elif defined(TARGET_CLONE_BACKWARDS) 1285 do_print_clone(arg1, arg2, arg3, arg4, arg5); 1286 #elif defined(TARGET_CLONE_BACKWARDS2) 1287 do_print_clone(arg2, arg1, arg3, arg5, arg4); 1288 #else 1289 do_print_clone(arg1, arg2, arg3, arg5, arg4); 1290 #endif 1291 print_syscall_epilogue(name); 1292 } 1293 #endif 1294 1295 #ifdef TARGET_NR_creat 1296 static void 1297 print_creat(const struct syscallname *name, 1298 abi_long arg0, abi_long arg1, abi_long arg2, 1299 abi_long arg3, abi_long arg4, abi_long arg5) 1300 { 1301 print_syscall_prologue(name); 1302 print_string(arg0, 0); 1303 print_file_mode(arg1, 1); 1304 print_syscall_epilogue(name); 1305 } 1306 #endif 1307 1308 #ifdef TARGET_NR_execv 1309 static void 1310 print_execv(const struct syscallname *name, 1311 abi_long arg0, abi_long arg1, abi_long arg2, 1312 abi_long arg3, abi_long arg4, abi_long arg5) 1313 { 1314 print_syscall_prologue(name); 1315 print_string(arg0, 0); 1316 print_raw_param("0x" TARGET_ABI_FMT_lx, arg1, 1); 1317 print_syscall_epilogue(name); 1318 } 1319 #endif 1320 1321 #ifdef TARGET_NR_faccessat 1322 static void 1323 print_faccessat(const struct syscallname *name, 1324 abi_long arg0, abi_long arg1, abi_long arg2, 1325 abi_long arg3, abi_long arg4, abi_long arg5) 1326 { 1327 print_syscall_prologue(name); 1328 print_at_dirfd(arg0, 0); 1329 print_string(arg1, 0); 1330 print_flags(access_flags, arg2, 0); 1331 print_flags(at_file_flags, arg3, 1); 1332 print_syscall_epilogue(name); 1333 } 1334 #endif 1335 1336 #ifdef TARGET_NR_fchmodat 1337 static void 1338 print_fchmodat(const struct syscallname *name, 1339 abi_long arg0, abi_long arg1, abi_long arg2, 1340 abi_long arg3, abi_long arg4, abi_long arg5) 1341 { 1342 print_syscall_prologue(name); 1343 print_at_dirfd(arg0, 0); 1344 print_string(arg1, 0); 1345 print_file_mode(arg2, 0); 1346 print_flags(at_file_flags, arg3, 1); 1347 print_syscall_epilogue(name); 1348 } 1349 #endif 1350 1351 #ifdef TARGET_NR_fchownat 1352 static void 1353 print_fchownat(const struct syscallname *name, 1354 abi_long arg0, abi_long arg1, abi_long arg2, 1355 abi_long arg3, abi_long arg4, abi_long arg5) 1356 { 1357 print_syscall_prologue(name); 1358 print_at_dirfd(arg0, 0); 1359 print_string(arg1, 0); 1360 print_raw_param("%d", arg2, 0); 1361 print_raw_param("%d", arg3, 0); 1362 print_flags(at_file_flags, arg4, 1); 1363 print_syscall_epilogue(name); 1364 } 1365 #endif 1366 1367 #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64) 1368 static void 1369 print_fcntl(const struct syscallname *name, 1370 abi_long arg0, abi_long arg1, abi_long arg2, 1371 abi_long arg3, abi_long arg4, abi_long arg5) 1372 { 1373 print_syscall_prologue(name); 1374 print_raw_param("%d", arg0, 0); 1375 switch(arg1) { 1376 case TARGET_F_DUPFD: 1377 gemu_log("F_DUPFD,"); 1378 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1); 1379 break; 1380 case TARGET_F_GETFD: 1381 gemu_log("F_GETFD"); 1382 break; 1383 case TARGET_F_SETFD: 1384 gemu_log("F_SETFD,"); 1385 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1); 1386 break; 1387 case TARGET_F_GETFL: 1388 gemu_log("F_GETFL"); 1389 break; 1390 case TARGET_F_SETFL: 1391 gemu_log("F_SETFL,"); 1392 print_open_flags(arg2, 1); 1393 break; 1394 case TARGET_F_GETLK: 1395 gemu_log("F_GETLK,"); 1396 print_pointer(arg2, 1); 1397 break; 1398 case TARGET_F_SETLK: 1399 gemu_log("F_SETLK,"); 1400 print_pointer(arg2, 1); 1401 break; 1402 case TARGET_F_SETLKW: 1403 gemu_log("F_SETLKW,"); 1404 print_pointer(arg2, 1); 1405 break; 1406 case TARGET_F_GETOWN: 1407 gemu_log("F_GETOWN"); 1408 break; 1409 case TARGET_F_SETOWN: 1410 gemu_log("F_SETOWN,"); 1411 print_raw_param(TARGET_ABI_FMT_ld, arg2, 0); 1412 break; 1413 case TARGET_F_GETSIG: 1414 gemu_log("F_GETSIG"); 1415 break; 1416 case TARGET_F_SETSIG: 1417 gemu_log("F_SETSIG,"); 1418 print_raw_param(TARGET_ABI_FMT_ld, arg2, 0); 1419 break; 1420 #if TARGET_ABI_BITS == 32 1421 case TARGET_F_GETLK64: 1422 gemu_log("F_GETLK64,"); 1423 print_pointer(arg2, 1); 1424 break; 1425 case TARGET_F_SETLK64: 1426 gemu_log("F_SETLK64,"); 1427 print_pointer(arg2, 1); 1428 break; 1429 case TARGET_F_SETLKW64: 1430 gemu_log("F_SETLKW64,"); 1431 print_pointer(arg2, 1); 1432 break; 1433 #endif 1434 case TARGET_F_SETLEASE: 1435 gemu_log("F_SETLEASE,"); 1436 print_raw_param(TARGET_ABI_FMT_ld, arg2, 0); 1437 break; 1438 case TARGET_F_GETLEASE: 1439 gemu_log("F_GETLEASE"); 1440 break; 1441 case TARGET_F_SETPIPE_SZ: 1442 gemu_log("F_SETPIPE_SZ,"); 1443 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1); 1444 break; 1445 case TARGET_F_GETPIPE_SZ: 1446 gemu_log("F_GETPIPE_SZ"); 1447 break; 1448 case TARGET_F_DUPFD_CLOEXEC: 1449 gemu_log("F_DUPFD_CLOEXEC,"); 1450 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1); 1451 break; 1452 case TARGET_F_NOTIFY: 1453 gemu_log("F_NOTIFY,"); 1454 print_raw_param(TARGET_ABI_FMT_ld, arg2, 0); 1455 break; 1456 default: 1457 print_raw_param(TARGET_ABI_FMT_ld, arg1, 0); 1458 print_pointer(arg2, 1); 1459 break; 1460 } 1461 print_syscall_epilogue(name); 1462 } 1463 #define print_fcntl64 print_fcntl 1464 #endif 1465 1466 1467 #ifdef TARGET_NR_futimesat 1468 static void 1469 print_futimesat(const struct syscallname *name, 1470 abi_long arg0, abi_long arg1, abi_long arg2, 1471 abi_long arg3, abi_long arg4, abi_long arg5) 1472 { 1473 print_syscall_prologue(name); 1474 print_at_dirfd(arg0, 0); 1475 print_string(arg1, 0); 1476 print_timeval(arg2, 0); 1477 print_timeval(arg2 + sizeof (struct target_timeval), 1); 1478 print_syscall_epilogue(name); 1479 } 1480 #endif 1481 1482 #ifdef TARGET_NR_link 1483 static void 1484 print_link(const struct syscallname *name, 1485 abi_long arg0, abi_long arg1, abi_long arg2, 1486 abi_long arg3, abi_long arg4, abi_long arg5) 1487 { 1488 print_syscall_prologue(name); 1489 print_string(arg0, 0); 1490 print_string(arg1, 1); 1491 print_syscall_epilogue(name); 1492 } 1493 #endif 1494 1495 #ifdef TARGET_NR_linkat 1496 static void 1497 print_linkat(const struct syscallname *name, 1498 abi_long arg0, abi_long arg1, abi_long arg2, 1499 abi_long arg3, abi_long arg4, abi_long arg5) 1500 { 1501 print_syscall_prologue(name); 1502 print_at_dirfd(arg0, 0); 1503 print_string(arg1, 0); 1504 print_at_dirfd(arg2, 0); 1505 print_string(arg3, 0); 1506 print_flags(at_file_flags, arg4, 1); 1507 print_syscall_epilogue(name); 1508 } 1509 #endif 1510 1511 #ifdef TARGET_NR__llseek 1512 static void 1513 print__llseek(const struct syscallname *name, 1514 abi_long arg0, abi_long arg1, abi_long arg2, 1515 abi_long arg3, abi_long arg4, abi_long arg5) 1516 { 1517 const char *whence = "UNKNOWN"; 1518 print_syscall_prologue(name); 1519 print_raw_param("%d", arg0, 0); 1520 print_raw_param("%ld", arg1, 0); 1521 print_raw_param("%ld", arg2, 0); 1522 print_pointer(arg3, 0); 1523 switch(arg4) { 1524 case SEEK_SET: whence = "SEEK_SET"; break; 1525 case SEEK_CUR: whence = "SEEK_CUR"; break; 1526 case SEEK_END: whence = "SEEK_END"; break; 1527 } 1528 gemu_log("%s",whence); 1529 print_syscall_epilogue(name); 1530 } 1531 #endif 1532 1533 #if defined(TARGET_NR_socket) 1534 static void 1535 print_socket(const struct syscallname *name, 1536 abi_long arg0, abi_long arg1, abi_long arg2, 1537 abi_long arg3, abi_long arg4, abi_long arg5) 1538 { 1539 abi_ulong domain = arg0, type = arg1, protocol = arg2; 1540 1541 print_syscall_prologue(name); 1542 print_socket_domain(domain); 1543 gemu_log(","); 1544 print_socket_type(type); 1545 gemu_log(","); 1546 if (domain == AF_PACKET || 1547 (domain == AF_INET && type == TARGET_SOCK_PACKET)) { 1548 protocol = tswap16(protocol); 1549 } 1550 print_socket_protocol(domain, type, protocol); 1551 print_syscall_epilogue(name); 1552 } 1553 1554 #endif 1555 1556 #if defined(TARGET_NR_socketcall) 1557 1558 #define get_user_ualx(x, gaddr, idx) \ 1559 get_user_ual(x, (gaddr) + (idx) * sizeof(abi_long)) 1560 1561 static void do_print_socket(const char *name, abi_long arg1) 1562 { 1563 abi_ulong domain, type, protocol; 1564 1565 get_user_ualx(domain, arg1, 0); 1566 get_user_ualx(type, arg1, 1); 1567 get_user_ualx(protocol, arg1, 2); 1568 gemu_log("%s(", name); 1569 print_socket_domain(domain); 1570 gemu_log(","); 1571 print_socket_type(type); 1572 gemu_log(","); 1573 if (domain == AF_PACKET || 1574 (domain == AF_INET && type == TARGET_SOCK_PACKET)) { 1575 protocol = tswap16(protocol); 1576 } 1577 print_socket_protocol(domain, type, protocol); 1578 gemu_log(")"); 1579 } 1580 1581 static void do_print_sockaddr(const char *name, abi_long arg1) 1582 { 1583 abi_ulong sockfd, addr, addrlen; 1584 1585 get_user_ualx(sockfd, arg1, 0); 1586 get_user_ualx(addr, arg1, 1); 1587 get_user_ualx(addrlen, arg1, 2); 1588 1589 gemu_log("%s(", name); 1590 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1591 print_sockaddr(addr, addrlen); 1592 gemu_log(")"); 1593 } 1594 1595 static void do_print_listen(const char *name, abi_long arg1) 1596 { 1597 abi_ulong sockfd, backlog; 1598 1599 get_user_ualx(sockfd, arg1, 0); 1600 get_user_ualx(backlog, arg1, 1); 1601 1602 gemu_log("%s(", name); 1603 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1604 print_raw_param(TARGET_ABI_FMT_ld, backlog, 1); 1605 gemu_log(")"); 1606 } 1607 1608 static void do_print_socketpair(const char *name, abi_long arg1) 1609 { 1610 abi_ulong domain, type, protocol, tab; 1611 1612 get_user_ualx(domain, arg1, 0); 1613 get_user_ualx(type, arg1, 1); 1614 get_user_ualx(protocol, arg1, 2); 1615 get_user_ualx(tab, arg1, 3); 1616 1617 gemu_log("%s(", name); 1618 print_socket_domain(domain); 1619 gemu_log(","); 1620 print_socket_type(type); 1621 gemu_log(","); 1622 print_socket_protocol(domain, type, protocol); 1623 gemu_log(","); 1624 print_raw_param(TARGET_ABI_FMT_lx, tab, 1); 1625 gemu_log(")"); 1626 } 1627 1628 static void do_print_sendrecv(const char *name, abi_long arg1) 1629 { 1630 abi_ulong sockfd, msg, len, flags; 1631 1632 get_user_ualx(sockfd, arg1, 0); 1633 get_user_ualx(msg, arg1, 1); 1634 get_user_ualx(len, arg1, 2); 1635 get_user_ualx(flags, arg1, 3); 1636 1637 gemu_log("%s(", name); 1638 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1639 print_buf(msg, len, 0); 1640 print_raw_param(TARGET_ABI_FMT_ld, len, 0); 1641 print_flags(msg_flags, flags, 1); 1642 gemu_log(")"); 1643 } 1644 1645 static void do_print_msgaddr(const char *name, abi_long arg1) 1646 { 1647 abi_ulong sockfd, msg, len, flags, addr, addrlen; 1648 1649 get_user_ualx(sockfd, arg1, 0); 1650 get_user_ualx(msg, arg1, 1); 1651 get_user_ualx(len, arg1, 2); 1652 get_user_ualx(flags, arg1, 3); 1653 get_user_ualx(addr, arg1, 4); 1654 get_user_ualx(addrlen, arg1, 5); 1655 1656 gemu_log("%s(", name); 1657 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1658 print_buf(msg, len, 0); 1659 print_raw_param(TARGET_ABI_FMT_ld, len, 0); 1660 print_flags(msg_flags, flags, 0); 1661 print_sockaddr(addr, addrlen); 1662 gemu_log(")"); 1663 } 1664 1665 static void do_print_shutdown(const char *name, abi_long arg1) 1666 { 1667 abi_ulong sockfd, how; 1668 1669 get_user_ualx(sockfd, arg1, 0); 1670 get_user_ualx(how, arg1, 1); 1671 1672 gemu_log("shutdown("); 1673 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1674 switch (how) { 1675 case SHUT_RD: 1676 gemu_log("SHUT_RD"); 1677 break; 1678 case SHUT_WR: 1679 gemu_log("SHUT_WR"); 1680 break; 1681 case SHUT_RDWR: 1682 gemu_log("SHUT_RDWR"); 1683 break; 1684 default: 1685 print_raw_param(TARGET_ABI_FMT_ld, how, 1); 1686 break; 1687 } 1688 gemu_log(")"); 1689 } 1690 1691 static void do_print_msg(const char *name, abi_long arg1) 1692 { 1693 abi_ulong sockfd, msg, flags; 1694 1695 get_user_ualx(sockfd, arg1, 0); 1696 get_user_ualx(msg, arg1, 1); 1697 get_user_ualx(flags, arg1, 2); 1698 1699 gemu_log("%s(", name); 1700 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1701 print_pointer(msg, 0); 1702 print_flags(msg_flags, flags, 1); 1703 gemu_log(")"); 1704 } 1705 1706 static void do_print_sockopt(const char *name, abi_long arg1) 1707 { 1708 abi_ulong sockfd, level, optname, optval, optlen; 1709 1710 get_user_ualx(sockfd, arg1, 0); 1711 get_user_ualx(level, arg1, 1); 1712 get_user_ualx(optname, arg1, 2); 1713 get_user_ualx(optval, arg1, 3); 1714 get_user_ualx(optlen, arg1, 4); 1715 1716 gemu_log("%s(", name); 1717 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1718 switch (level) { 1719 case SOL_TCP: 1720 gemu_log("SOL_TCP,"); 1721 print_raw_param(TARGET_ABI_FMT_ld, optname, 0); 1722 print_pointer(optval, 0); 1723 break; 1724 case SOL_IP: 1725 gemu_log("SOL_IP,"); 1726 print_raw_param(TARGET_ABI_FMT_ld, optname, 0); 1727 print_pointer(optval, 0); 1728 break; 1729 case SOL_RAW: 1730 gemu_log("SOL_RAW,"); 1731 print_raw_param(TARGET_ABI_FMT_ld, optname, 0); 1732 print_pointer(optval, 0); 1733 break; 1734 case TARGET_SOL_SOCKET: 1735 gemu_log("SOL_SOCKET,"); 1736 switch (optname) { 1737 case TARGET_SO_DEBUG: 1738 gemu_log("SO_DEBUG,"); 1739 print_optint: 1740 print_number(optval, 0); 1741 break; 1742 case TARGET_SO_REUSEADDR: 1743 gemu_log("SO_REUSEADDR,"); 1744 goto print_optint; 1745 case TARGET_SO_TYPE: 1746 gemu_log("SO_TYPE,"); 1747 goto print_optint; 1748 case TARGET_SO_ERROR: 1749 gemu_log("SO_ERROR,"); 1750 goto print_optint; 1751 case TARGET_SO_DONTROUTE: 1752 gemu_log("SO_DONTROUTE,"); 1753 goto print_optint; 1754 case TARGET_SO_BROADCAST: 1755 gemu_log("SO_BROADCAST,"); 1756 goto print_optint; 1757 case TARGET_SO_SNDBUF: 1758 gemu_log("SO_SNDBUF,"); 1759 goto print_optint; 1760 case TARGET_SO_RCVBUF: 1761 gemu_log("SO_RCVBUF,"); 1762 goto print_optint; 1763 case TARGET_SO_KEEPALIVE: 1764 gemu_log("SO_KEEPALIVE,"); 1765 goto print_optint; 1766 case TARGET_SO_OOBINLINE: 1767 gemu_log("SO_OOBINLINE,"); 1768 goto print_optint; 1769 case TARGET_SO_NO_CHECK: 1770 gemu_log("SO_NO_CHECK,"); 1771 goto print_optint; 1772 case TARGET_SO_PRIORITY: 1773 gemu_log("SO_PRIORITY,"); 1774 goto print_optint; 1775 case TARGET_SO_BSDCOMPAT: 1776 gemu_log("SO_BSDCOMPAT,"); 1777 goto print_optint; 1778 case TARGET_SO_PASSCRED: 1779 gemu_log("SO_PASSCRED,"); 1780 goto print_optint; 1781 case TARGET_SO_TIMESTAMP: 1782 gemu_log("SO_TIMESTAMP,"); 1783 goto print_optint; 1784 case TARGET_SO_RCVLOWAT: 1785 gemu_log("SO_RCVLOWAT,"); 1786 goto print_optint; 1787 case TARGET_SO_RCVTIMEO: 1788 gemu_log("SO_RCVTIMEO,"); 1789 print_timeval(optval, 0); 1790 break; 1791 case TARGET_SO_SNDTIMEO: 1792 gemu_log("SO_SNDTIMEO,"); 1793 print_timeval(optval, 0); 1794 break; 1795 case TARGET_SO_ATTACH_FILTER: { 1796 struct target_sock_fprog *fprog; 1797 1798 gemu_log("SO_ATTACH_FILTER,"); 1799 1800 if (lock_user_struct(VERIFY_READ, fprog, optval, 0)) { 1801 struct target_sock_filter *filter; 1802 gemu_log("{"); 1803 if (lock_user_struct(VERIFY_READ, filter, 1804 tswapal(fprog->filter), 0)) { 1805 int i; 1806 for (i = 0; i < tswap16(fprog->len) - 1; i++) { 1807 gemu_log("[%d]{0x%x,%d,%d,0x%x},", 1808 i, tswap16(filter[i].code), 1809 filter[i].jt, filter[i].jf, 1810 tswap32(filter[i].k)); 1811 } 1812 gemu_log("[%d]{0x%x,%d,%d,0x%x}", 1813 i, tswap16(filter[i].code), 1814 filter[i].jt, filter[i].jf, 1815 tswap32(filter[i].k)); 1816 } else { 1817 gemu_log(TARGET_ABI_FMT_lx, tswapal(fprog->filter)); 1818 } 1819 gemu_log(",%d},", tswap16(fprog->len)); 1820 unlock_user(fprog, optval, 0); 1821 } else { 1822 print_pointer(optval, 0); 1823 } 1824 break; 1825 } 1826 default: 1827 print_raw_param(TARGET_ABI_FMT_ld, optname, 0); 1828 print_pointer(optval, 0); 1829 break; 1830 } 1831 break; 1832 default: 1833 print_raw_param(TARGET_ABI_FMT_ld, level, 0); 1834 print_raw_param(TARGET_ABI_FMT_ld, optname, 0); 1835 print_pointer(optval, 0); 1836 break; 1837 } 1838 print_raw_param(TARGET_ABI_FMT_ld, optlen, 1); 1839 gemu_log(")"); 1840 } 1841 1842 #define PRINT_SOCKOP(name, func) \ 1843 [TARGET_SYS_##name] = { #name, func } 1844 1845 static struct { 1846 const char *name; 1847 void (*print)(const char *, abi_long); 1848 } scall[] = { 1849 PRINT_SOCKOP(SOCKET, do_print_socket), 1850 PRINT_SOCKOP(BIND, do_print_sockaddr), 1851 PRINT_SOCKOP(CONNECT, do_print_sockaddr), 1852 PRINT_SOCKOP(LISTEN, do_print_listen), 1853 PRINT_SOCKOP(ACCEPT, do_print_sockaddr), 1854 PRINT_SOCKOP(GETSOCKNAME, do_print_sockaddr), 1855 PRINT_SOCKOP(GETPEERNAME, do_print_sockaddr), 1856 PRINT_SOCKOP(SOCKETPAIR, do_print_socketpair), 1857 PRINT_SOCKOP(SEND, do_print_sendrecv), 1858 PRINT_SOCKOP(RECV, do_print_sendrecv), 1859 PRINT_SOCKOP(SENDTO, do_print_msgaddr), 1860 PRINT_SOCKOP(RECVFROM, do_print_msgaddr), 1861 PRINT_SOCKOP(SHUTDOWN, do_print_shutdown), 1862 PRINT_SOCKOP(SETSOCKOPT, do_print_sockopt), 1863 PRINT_SOCKOP(GETSOCKOPT, do_print_sockopt), 1864 PRINT_SOCKOP(SENDMSG, do_print_msg), 1865 PRINT_SOCKOP(RECVMSG, do_print_msg), 1866 PRINT_SOCKOP(ACCEPT4, NULL), 1867 PRINT_SOCKOP(RECVMMSG, NULL), 1868 PRINT_SOCKOP(SENDMMSG, NULL), 1869 }; 1870 1871 static void 1872 print_socketcall(const struct syscallname *name, 1873 abi_long arg0, abi_long arg1, abi_long arg2, 1874 abi_long arg3, abi_long arg4, abi_long arg5) 1875 { 1876 if (arg0 >= 0 && arg0 < ARRAY_SIZE(scall) && scall[arg0].print) { 1877 scall[arg0].print(scall[arg0].name, arg1); 1878 return; 1879 } 1880 print_syscall_prologue(name); 1881 print_raw_param(TARGET_ABI_FMT_ld, arg0, 0); 1882 print_raw_param(TARGET_ABI_FMT_ld, arg1, 0); 1883 print_raw_param(TARGET_ABI_FMT_ld, arg2, 0); 1884 print_raw_param(TARGET_ABI_FMT_ld, arg3, 0); 1885 print_raw_param(TARGET_ABI_FMT_ld, arg4, 0); 1886 print_raw_param(TARGET_ABI_FMT_ld, arg5, 0); 1887 print_syscall_epilogue(name); 1888 } 1889 #endif 1890 1891 #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \ 1892 defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) 1893 static void 1894 print_stat(const struct syscallname *name, 1895 abi_long arg0, abi_long arg1, abi_long arg2, 1896 abi_long arg3, abi_long arg4, abi_long arg5) 1897 { 1898 print_syscall_prologue(name); 1899 print_string(arg0, 0); 1900 print_pointer(arg1, 1); 1901 print_syscall_epilogue(name); 1902 } 1903 #define print_lstat print_stat 1904 #define print_stat64 print_stat 1905 #define print_lstat64 print_stat 1906 #endif 1907 1908 #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) 1909 static void 1910 print_fstat(const struct syscallname *name, 1911 abi_long arg0, abi_long arg1, abi_long arg2, 1912 abi_long arg3, abi_long arg4, abi_long arg5) 1913 { 1914 print_syscall_prologue(name); 1915 print_raw_param("%d", arg0, 0); 1916 print_pointer(arg1, 1); 1917 print_syscall_epilogue(name); 1918 } 1919 #define print_fstat64 print_fstat 1920 #endif 1921 1922 #ifdef TARGET_NR_mkdir 1923 static void 1924 print_mkdir(const struct syscallname *name, 1925 abi_long arg0, abi_long arg1, abi_long arg2, 1926 abi_long arg3, abi_long arg4, abi_long arg5) 1927 { 1928 print_syscall_prologue(name); 1929 print_string(arg0, 0); 1930 print_file_mode(arg1, 1); 1931 print_syscall_epilogue(name); 1932 } 1933 #endif 1934 1935 #ifdef TARGET_NR_mkdirat 1936 static void 1937 print_mkdirat(const struct syscallname *name, 1938 abi_long arg0, abi_long arg1, abi_long arg2, 1939 abi_long arg3, abi_long arg4, abi_long arg5) 1940 { 1941 print_syscall_prologue(name); 1942 print_at_dirfd(arg0, 0); 1943 print_string(arg1, 0); 1944 print_file_mode(arg2, 1); 1945 print_syscall_epilogue(name); 1946 } 1947 #endif 1948 1949 #ifdef TARGET_NR_rmdir 1950 static void 1951 print_rmdir(const struct syscallname *name, 1952 abi_long arg0, abi_long arg1, abi_long arg2, 1953 abi_long arg3, abi_long arg4, abi_long arg5) 1954 { 1955 print_syscall_prologue(name); 1956 print_string(arg0, 0); 1957 print_syscall_epilogue(name); 1958 } 1959 #endif 1960 1961 #ifdef TARGET_NR_rt_sigaction 1962 static void 1963 print_rt_sigaction(const struct syscallname *name, 1964 abi_long arg0, abi_long arg1, abi_long arg2, 1965 abi_long arg3, abi_long arg4, abi_long arg5) 1966 { 1967 print_syscall_prologue(name); 1968 print_signal(arg0, 0); 1969 print_pointer(arg1, 0); 1970 print_pointer(arg2, 1); 1971 print_syscall_epilogue(name); 1972 } 1973 #endif 1974 1975 #ifdef TARGET_NR_rt_sigprocmask 1976 static void 1977 print_rt_sigprocmask(const struct syscallname *name, 1978 abi_long arg0, abi_long arg1, abi_long arg2, 1979 abi_long arg3, abi_long arg4, abi_long arg5) 1980 { 1981 const char *how = "UNKNOWN"; 1982 print_syscall_prologue(name); 1983 switch(arg0) { 1984 case TARGET_SIG_BLOCK: how = "SIG_BLOCK"; break; 1985 case TARGET_SIG_UNBLOCK: how = "SIG_UNBLOCK"; break; 1986 case TARGET_SIG_SETMASK: how = "SIG_SETMASK"; break; 1987 } 1988 gemu_log("%s,",how); 1989 print_pointer(arg1, 0); 1990 print_pointer(arg2, 1); 1991 print_syscall_epilogue(name); 1992 } 1993 #endif 1994 1995 #ifdef TARGET_NR_rt_sigqueueinfo 1996 static void 1997 print_rt_sigqueueinfo(const struct syscallname *name, 1998 abi_long arg0, abi_long arg1, abi_long arg2, 1999 abi_long arg3, abi_long arg4, abi_long arg5) 2000 { 2001 void *p; 2002 target_siginfo_t uinfo; 2003 2004 print_syscall_prologue(name); 2005 print_raw_param("%d", arg0, 0); 2006 print_signal(arg1, 0); 2007 p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1); 2008 if (p) { 2009 get_target_siginfo(&uinfo, p); 2010 print_siginfo(&uinfo); 2011 2012 unlock_user(p, arg2, 0); 2013 } else { 2014 print_pointer(arg2, 1); 2015 } 2016 print_syscall_epilogue(name); 2017 } 2018 #endif 2019 2020 #ifdef TARGET_NR_rt_tgsigqueueinfo 2021 static void 2022 print_rt_tgsigqueueinfo(const struct syscallname *name, 2023 abi_long arg0, abi_long arg1, abi_long arg2, 2024 abi_long arg3, abi_long arg4, abi_long arg5) 2025 { 2026 void *p; 2027 target_siginfo_t uinfo; 2028 2029 print_syscall_prologue(name); 2030 print_raw_param("%d", arg0, 0); 2031 print_raw_param("%d", arg1, 0); 2032 print_signal(arg2, 0); 2033 p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); 2034 if (p) { 2035 get_target_siginfo(&uinfo, p); 2036 print_siginfo(&uinfo); 2037 2038 unlock_user(p, arg3, 0); 2039 } else { 2040 print_pointer(arg3, 1); 2041 } 2042 print_syscall_epilogue(name); 2043 } 2044 #endif 2045 2046 #ifdef TARGET_NR_syslog 2047 static void 2048 print_syslog_action(abi_ulong arg, int last) 2049 { 2050 const char *type; 2051 2052 switch (arg) { 2053 case TARGET_SYSLOG_ACTION_CLOSE: { 2054 type = "SYSLOG_ACTION_CLOSE"; 2055 break; 2056 } 2057 case TARGET_SYSLOG_ACTION_OPEN: { 2058 type = "SYSLOG_ACTION_OPEN"; 2059 break; 2060 } 2061 case TARGET_SYSLOG_ACTION_READ: { 2062 type = "SYSLOG_ACTION_READ"; 2063 break; 2064 } 2065 case TARGET_SYSLOG_ACTION_READ_ALL: { 2066 type = "SYSLOG_ACTION_READ_ALL"; 2067 break; 2068 } 2069 case TARGET_SYSLOG_ACTION_READ_CLEAR: { 2070 type = "SYSLOG_ACTION_READ_CLEAR"; 2071 break; 2072 } 2073 case TARGET_SYSLOG_ACTION_CLEAR: { 2074 type = "SYSLOG_ACTION_CLEAR"; 2075 break; 2076 } 2077 case TARGET_SYSLOG_ACTION_CONSOLE_OFF: { 2078 type = "SYSLOG_ACTION_CONSOLE_OFF"; 2079 break; 2080 } 2081 case TARGET_SYSLOG_ACTION_CONSOLE_ON: { 2082 type = "SYSLOG_ACTION_CONSOLE_ON"; 2083 break; 2084 } 2085 case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: { 2086 type = "SYSLOG_ACTION_CONSOLE_LEVEL"; 2087 break; 2088 } 2089 case TARGET_SYSLOG_ACTION_SIZE_UNREAD: { 2090 type = "SYSLOG_ACTION_SIZE_UNREAD"; 2091 break; 2092 } 2093 case TARGET_SYSLOG_ACTION_SIZE_BUFFER: { 2094 type = "SYSLOG_ACTION_SIZE_BUFFER"; 2095 break; 2096 } 2097 default: { 2098 print_raw_param("%ld", arg, last); 2099 return; 2100 } 2101 } 2102 gemu_log("%s%s", type, get_comma(last)); 2103 } 2104 2105 static void 2106 print_syslog(const struct syscallname *name, 2107 abi_long arg0, abi_long arg1, abi_long arg2, 2108 abi_long arg3, abi_long arg4, abi_long arg5) 2109 { 2110 print_syscall_prologue(name); 2111 print_syslog_action(arg0, 0); 2112 print_pointer(arg1, 0); 2113 print_raw_param("%d", arg2, 1); 2114 print_syscall_epilogue(name); 2115 } 2116 #endif 2117 2118 #ifdef TARGET_NR_mknod 2119 static void 2120 print_mknod(const struct syscallname *name, 2121 abi_long arg0, abi_long arg1, abi_long arg2, 2122 abi_long arg3, abi_long arg4, abi_long arg5) 2123 { 2124 int hasdev = (arg1 & (S_IFCHR|S_IFBLK)); 2125 2126 print_syscall_prologue(name); 2127 print_string(arg0, 0); 2128 print_file_mode(arg1, (hasdev == 0)); 2129 if (hasdev) { 2130 print_raw_param("makedev(%d", major(arg2), 0); 2131 print_raw_param("%d)", minor(arg2), 1); 2132 } 2133 print_syscall_epilogue(name); 2134 } 2135 #endif 2136 2137 #ifdef TARGET_NR_mknodat 2138 static void 2139 print_mknodat(const struct syscallname *name, 2140 abi_long arg0, abi_long arg1, abi_long arg2, 2141 abi_long arg3, abi_long arg4, abi_long arg5) 2142 { 2143 int hasdev = (arg2 & (S_IFCHR|S_IFBLK)); 2144 2145 print_syscall_prologue(name); 2146 print_at_dirfd(arg0, 0); 2147 print_string(arg1, 0); 2148 print_file_mode(arg2, (hasdev == 0)); 2149 if (hasdev) { 2150 print_raw_param("makedev(%d", major(arg3), 0); 2151 print_raw_param("%d)", minor(arg3), 1); 2152 } 2153 print_syscall_epilogue(name); 2154 } 2155 #endif 2156 2157 #ifdef TARGET_NR_mq_open 2158 static void 2159 print_mq_open(const struct syscallname *name, 2160 abi_long arg0, abi_long arg1, abi_long arg2, 2161 abi_long arg3, abi_long arg4, abi_long arg5) 2162 { 2163 int is_creat = (arg1 & TARGET_O_CREAT); 2164 2165 print_syscall_prologue(name); 2166 print_string(arg0, 0); 2167 print_open_flags(arg1, (is_creat == 0)); 2168 if (is_creat) { 2169 print_file_mode(arg2, 0); 2170 print_pointer(arg3, 1); 2171 } 2172 print_syscall_epilogue(name); 2173 } 2174 #endif 2175 2176 #ifdef TARGET_NR_open 2177 static void 2178 print_open(const struct syscallname *name, 2179 abi_long arg0, abi_long arg1, abi_long arg2, 2180 abi_long arg3, abi_long arg4, abi_long arg5) 2181 { 2182 int is_creat = (arg1 & TARGET_O_CREAT); 2183 2184 print_syscall_prologue(name); 2185 print_string(arg0, 0); 2186 print_open_flags(arg1, (is_creat == 0)); 2187 if (is_creat) 2188 print_file_mode(arg2, 1); 2189 print_syscall_epilogue(name); 2190 } 2191 #endif 2192 2193 #ifdef TARGET_NR_openat 2194 static void 2195 print_openat(const struct syscallname *name, 2196 abi_long arg0, abi_long arg1, abi_long arg2, 2197 abi_long arg3, abi_long arg4, abi_long arg5) 2198 { 2199 int is_creat = (arg2 & TARGET_O_CREAT); 2200 2201 print_syscall_prologue(name); 2202 print_at_dirfd(arg0, 0); 2203 print_string(arg1, 0); 2204 print_open_flags(arg2, (is_creat == 0)); 2205 if (is_creat) 2206 print_file_mode(arg3, 1); 2207 print_syscall_epilogue(name); 2208 } 2209 #endif 2210 2211 #ifdef TARGET_NR_mq_unlink 2212 static void 2213 print_mq_unlink(const struct syscallname *name, 2214 abi_long arg0, abi_long arg1, abi_long arg2, 2215 abi_long arg3, abi_long arg4, abi_long arg5) 2216 { 2217 print_syscall_prologue(name); 2218 print_string(arg0, 1); 2219 print_syscall_epilogue(name); 2220 } 2221 #endif 2222 2223 #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat) 2224 static void 2225 print_fstatat64(const struct syscallname *name, 2226 abi_long arg0, abi_long arg1, abi_long arg2, 2227 abi_long arg3, abi_long arg4, abi_long arg5) 2228 { 2229 print_syscall_prologue(name); 2230 print_at_dirfd(arg0, 0); 2231 print_string(arg1, 0); 2232 print_pointer(arg2, 0); 2233 print_flags(at_file_flags, arg3, 1); 2234 print_syscall_epilogue(name); 2235 } 2236 #define print_newfstatat print_fstatat64 2237 #endif 2238 2239 #ifdef TARGET_NR_readlink 2240 static void 2241 print_readlink(const struct syscallname *name, 2242 abi_long arg0, abi_long arg1, abi_long arg2, 2243 abi_long arg3, abi_long arg4, abi_long arg5) 2244 { 2245 print_syscall_prologue(name); 2246 print_string(arg0, 0); 2247 print_pointer(arg1, 0); 2248 print_raw_param("%u", arg2, 1); 2249 print_syscall_epilogue(name); 2250 } 2251 #endif 2252 2253 #ifdef TARGET_NR_readlinkat 2254 static void 2255 print_readlinkat(const struct syscallname *name, 2256 abi_long arg0, abi_long arg1, abi_long arg2, 2257 abi_long arg3, abi_long arg4, abi_long arg5) 2258 { 2259 print_syscall_prologue(name); 2260 print_at_dirfd(arg0, 0); 2261 print_string(arg1, 0); 2262 print_pointer(arg2, 0); 2263 print_raw_param("%u", arg3, 1); 2264 print_syscall_epilogue(name); 2265 } 2266 #endif 2267 2268 #ifdef TARGET_NR_rename 2269 static void 2270 print_rename(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_string(arg0, 0); 2276 print_string(arg1, 1); 2277 print_syscall_epilogue(name); 2278 } 2279 #endif 2280 2281 #ifdef TARGET_NR_renameat 2282 static void 2283 print_renameat(const struct syscallname *name, 2284 abi_long arg0, abi_long arg1, abi_long arg2, 2285 abi_long arg3, abi_long arg4, abi_long arg5) 2286 { 2287 print_syscall_prologue(name); 2288 print_at_dirfd(arg0, 0); 2289 print_string(arg1, 0); 2290 print_at_dirfd(arg2, 0); 2291 print_string(arg3, 1); 2292 print_syscall_epilogue(name); 2293 } 2294 #endif 2295 2296 #ifdef TARGET_NR_statfs 2297 static void 2298 print_statfs(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_string(arg0, 0); 2304 print_pointer(arg1, 1); 2305 print_syscall_epilogue(name); 2306 } 2307 #define print_statfs64 print_statfs 2308 #endif 2309 2310 #ifdef TARGET_NR_symlink 2311 static void 2312 print_symlink(const struct syscallname *name, 2313 abi_long arg0, abi_long arg1, abi_long arg2, 2314 abi_long arg3, abi_long arg4, abi_long arg5) 2315 { 2316 print_syscall_prologue(name); 2317 print_string(arg0, 0); 2318 print_string(arg1, 1); 2319 print_syscall_epilogue(name); 2320 } 2321 #endif 2322 2323 #ifdef TARGET_NR_symlinkat 2324 static void 2325 print_symlinkat(const struct syscallname *name, 2326 abi_long arg0, abi_long arg1, abi_long arg2, 2327 abi_long arg3, abi_long arg4, abi_long arg5) 2328 { 2329 print_syscall_prologue(name); 2330 print_string(arg0, 0); 2331 print_at_dirfd(arg1, 0); 2332 print_string(arg2, 1); 2333 print_syscall_epilogue(name); 2334 } 2335 #endif 2336 2337 #ifdef TARGET_NR_mount 2338 static void 2339 print_mount(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, 0); 2346 print_string(arg2, 0); 2347 print_flags(mount_flags, arg3, 0); 2348 print_pointer(arg4, 1); 2349 print_syscall_epilogue(name); 2350 } 2351 #endif 2352 2353 #ifdef TARGET_NR_umount 2354 static void 2355 print_umount(const struct syscallname *name, 2356 abi_long arg0, abi_long arg1, abi_long arg2, 2357 abi_long arg3, abi_long arg4, abi_long arg5) 2358 { 2359 print_syscall_prologue(name); 2360 print_string(arg0, 1); 2361 print_syscall_epilogue(name); 2362 } 2363 #endif 2364 2365 #ifdef TARGET_NR_umount2 2366 static void 2367 print_umount2(const struct syscallname *name, 2368 abi_long arg0, abi_long arg1, abi_long arg2, 2369 abi_long arg3, abi_long arg4, abi_long arg5) 2370 { 2371 print_syscall_prologue(name); 2372 print_string(arg0, 0); 2373 print_flags(umount2_flags, arg1, 1); 2374 print_syscall_epilogue(name); 2375 } 2376 #endif 2377 2378 #ifdef TARGET_NR_unlink 2379 static void 2380 print_unlink(const struct syscallname *name, 2381 abi_long arg0, abi_long arg1, abi_long arg2, 2382 abi_long arg3, abi_long arg4, abi_long arg5) 2383 { 2384 print_syscall_prologue(name); 2385 print_string(arg0, 1); 2386 print_syscall_epilogue(name); 2387 } 2388 #endif 2389 2390 #ifdef TARGET_NR_unlinkat 2391 static void 2392 print_unlinkat(const struct syscallname *name, 2393 abi_long arg0, abi_long arg1, abi_long arg2, 2394 abi_long arg3, abi_long arg4, abi_long arg5) 2395 { 2396 print_syscall_prologue(name); 2397 print_at_dirfd(arg0, 0); 2398 print_string(arg1, 0); 2399 print_flags(unlinkat_flags, arg2, 1); 2400 print_syscall_epilogue(name); 2401 } 2402 #endif 2403 2404 #ifdef TARGET_NR_utime 2405 static void 2406 print_utime(const struct syscallname *name, 2407 abi_long arg0, abi_long arg1, abi_long arg2, 2408 abi_long arg3, abi_long arg4, abi_long arg5) 2409 { 2410 print_syscall_prologue(name); 2411 print_string(arg0, 0); 2412 print_pointer(arg1, 1); 2413 print_syscall_epilogue(name); 2414 } 2415 #endif 2416 2417 #ifdef TARGET_NR_utimes 2418 static void 2419 print_utimes(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_string(arg0, 0); 2425 print_pointer(arg1, 1); 2426 print_syscall_epilogue(name); 2427 } 2428 #endif 2429 2430 #ifdef TARGET_NR_utimensat 2431 static void 2432 print_utimensat(const struct syscallname *name, 2433 abi_long arg0, abi_long arg1, abi_long arg2, 2434 abi_long arg3, abi_long arg4, abi_long arg5) 2435 { 2436 print_syscall_prologue(name); 2437 print_at_dirfd(arg0, 0); 2438 print_string(arg1, 0); 2439 print_pointer(arg2, 0); 2440 print_flags(at_file_flags, arg3, 1); 2441 print_syscall_epilogue(name); 2442 } 2443 #endif 2444 2445 #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2) 2446 static void 2447 print_mmap(const struct syscallname *name, 2448 abi_long arg0, abi_long arg1, abi_long arg2, 2449 abi_long arg3, abi_long arg4, abi_long arg5) 2450 { 2451 print_syscall_prologue(name); 2452 print_pointer(arg0, 0); 2453 print_raw_param("%d", arg1, 0); 2454 print_flags(mmap_prot_flags, arg2, 0); 2455 print_flags(mmap_flags, arg3, 0); 2456 print_raw_param("%d", arg4, 0); 2457 print_raw_param("%#x", arg5, 1); 2458 print_syscall_epilogue(name); 2459 } 2460 #define print_mmap2 print_mmap 2461 #endif 2462 2463 #ifdef TARGET_NR_mprotect 2464 static void 2465 print_mprotect(const struct syscallname *name, 2466 abi_long arg0, abi_long arg1, abi_long arg2, 2467 abi_long arg3, abi_long arg4, abi_long arg5) 2468 { 2469 print_syscall_prologue(name); 2470 print_pointer(arg0, 0); 2471 print_raw_param("%d", arg1, 0); 2472 print_flags(mmap_prot_flags, arg2, 1); 2473 print_syscall_epilogue(name); 2474 } 2475 #endif 2476 2477 #ifdef TARGET_NR_munmap 2478 static void 2479 print_munmap(const struct syscallname *name, 2480 abi_long arg0, abi_long arg1, abi_long arg2, 2481 abi_long arg3, abi_long arg4, abi_long arg5) 2482 { 2483 print_syscall_prologue(name); 2484 print_pointer(arg0, 0); 2485 print_raw_param("%d", arg1, 1); 2486 print_syscall_epilogue(name); 2487 } 2488 #endif 2489 2490 #ifdef TARGET_NR_futex 2491 static void print_futex_op(abi_long tflag, int last) 2492 { 2493 #define print_op(val) \ 2494 if( cmd == val ) { \ 2495 gemu_log(#val); \ 2496 return; \ 2497 } 2498 2499 int cmd = (int)tflag; 2500 #ifdef FUTEX_PRIVATE_FLAG 2501 if (cmd & FUTEX_PRIVATE_FLAG) { 2502 gemu_log("FUTEX_PRIVATE_FLAG|"); 2503 cmd &= ~FUTEX_PRIVATE_FLAG; 2504 } 2505 #endif 2506 #ifdef FUTEX_CLOCK_REALTIME 2507 if (cmd & FUTEX_CLOCK_REALTIME) { 2508 gemu_log("FUTEX_CLOCK_REALTIME|"); 2509 cmd &= ~FUTEX_CLOCK_REALTIME; 2510 } 2511 #endif 2512 print_op(FUTEX_WAIT) 2513 print_op(FUTEX_WAKE) 2514 print_op(FUTEX_FD) 2515 print_op(FUTEX_REQUEUE) 2516 print_op(FUTEX_CMP_REQUEUE) 2517 print_op(FUTEX_WAKE_OP) 2518 print_op(FUTEX_LOCK_PI) 2519 print_op(FUTEX_UNLOCK_PI) 2520 print_op(FUTEX_TRYLOCK_PI) 2521 #ifdef FUTEX_WAIT_BITSET 2522 print_op(FUTEX_WAIT_BITSET) 2523 #endif 2524 #ifdef FUTEX_WAKE_BITSET 2525 print_op(FUTEX_WAKE_BITSET) 2526 #endif 2527 /* unknown values */ 2528 gemu_log("%d",cmd); 2529 } 2530 2531 static void 2532 print_futex(const struct syscallname *name, 2533 abi_long arg0, abi_long arg1, abi_long arg2, 2534 abi_long arg3, abi_long arg4, abi_long arg5) 2535 { 2536 print_syscall_prologue(name); 2537 print_pointer(arg0, 0); 2538 print_futex_op(arg1, 0); 2539 print_raw_param(",%d", arg2, 0); 2540 print_pointer(arg3, 0); /* struct timespec */ 2541 print_pointer(arg4, 0); 2542 print_raw_param("%d", arg4, 1); 2543 print_syscall_epilogue(name); 2544 } 2545 #endif 2546 2547 #ifdef TARGET_NR_kill 2548 static void 2549 print_kill(const struct syscallname *name, 2550 abi_long arg0, abi_long arg1, abi_long arg2, 2551 abi_long arg3, abi_long arg4, abi_long arg5) 2552 { 2553 print_syscall_prologue(name); 2554 print_raw_param("%d", arg0, 0); 2555 print_signal(arg1, 1); 2556 print_syscall_epilogue(name); 2557 } 2558 #endif 2559 2560 #ifdef TARGET_NR_tkill 2561 static void 2562 print_tkill(const struct syscallname *name, 2563 abi_long arg0, abi_long arg1, abi_long arg2, 2564 abi_long arg3, abi_long arg4, abi_long arg5) 2565 { 2566 print_syscall_prologue(name); 2567 print_raw_param("%d", arg0, 0); 2568 print_signal(arg1, 1); 2569 print_syscall_epilogue(name); 2570 } 2571 #endif 2572 2573 #ifdef TARGET_NR_tgkill 2574 static void 2575 print_tgkill(const struct syscallname *name, 2576 abi_long arg0, abi_long arg1, abi_long arg2, 2577 abi_long arg3, abi_long arg4, abi_long arg5) 2578 { 2579 print_syscall_prologue(name); 2580 print_raw_param("%d", arg0, 0); 2581 print_raw_param("%d", arg1, 0); 2582 print_signal(arg2, 1); 2583 print_syscall_epilogue(name); 2584 } 2585 #endif 2586 2587 /* 2588 * An array of all of the syscalls we know about 2589 */ 2590 2591 static const struct syscallname scnames[] = { 2592 #include "strace.list" 2593 }; 2594 2595 static int nsyscalls = ARRAY_SIZE(scnames); 2596 2597 /* 2598 * The public interface to this module. 2599 */ 2600 void 2601 print_syscall(int num, 2602 abi_long arg1, abi_long arg2, abi_long arg3, 2603 abi_long arg4, abi_long arg5, abi_long arg6) 2604 { 2605 int i; 2606 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 ")"; 2607 2608 gemu_log("%d ", getpid() ); 2609 2610 for(i=0;i<nsyscalls;i++) 2611 if( scnames[i].nr == num ) { 2612 if( scnames[i].call != NULL ) { 2613 scnames[i].call(&scnames[i],arg1,arg2,arg3,arg4,arg5,arg6); 2614 } else { 2615 /* XXX: this format system is broken because it uses 2616 host types and host pointers for strings */ 2617 if( scnames[i].format != NULL ) 2618 format = scnames[i].format; 2619 gemu_log(format,scnames[i].name, arg1,arg2,arg3,arg4,arg5,arg6); 2620 } 2621 return; 2622 } 2623 gemu_log("Unknown syscall %d\n", num); 2624 } 2625 2626 2627 void 2628 print_syscall_ret(int num, abi_long ret) 2629 { 2630 int i; 2631 const char *errstr = NULL; 2632 2633 for(i=0;i<nsyscalls;i++) 2634 if( scnames[i].nr == num ) { 2635 if( scnames[i].result != NULL ) { 2636 scnames[i].result(&scnames[i],ret); 2637 } else { 2638 if (ret < 0) { 2639 errstr = target_strerror(-ret); 2640 } 2641 if (errstr) { 2642 gemu_log(" = -1 errno=" TARGET_ABI_FMT_ld " (%s)\n", 2643 -ret, errstr); 2644 } else { 2645 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); 2646 } 2647 } 2648 break; 2649 } 2650 } 2651 2652 void print_taken_signal(int target_signum, const target_siginfo_t *tinfo) 2653 { 2654 /* Print the strace output for a signal being taken: 2655 * --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=0} --- 2656 */ 2657 gemu_log("--- "); 2658 print_signal(target_signum, 1); 2659 gemu_log(" "); 2660 print_siginfo(tinfo); 2661 gemu_log(" ---\n"); 2662 } 2663