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 FLAG_END, 842 }; 843 844 UNUSED static struct flags mount_flags[] = { 845 #ifdef MS_BIND 846 FLAG_GENERIC(MS_BIND), 847 #endif 848 #ifdef MS_DIRSYNC 849 FLAG_GENERIC(MS_DIRSYNC), 850 #endif 851 FLAG_GENERIC(MS_MANDLOCK), 852 #ifdef MS_MOVE 853 FLAG_GENERIC(MS_MOVE), 854 #endif 855 FLAG_GENERIC(MS_NOATIME), 856 FLAG_GENERIC(MS_NODEV), 857 FLAG_GENERIC(MS_NODIRATIME), 858 FLAG_GENERIC(MS_NOEXEC), 859 FLAG_GENERIC(MS_NOSUID), 860 FLAG_GENERIC(MS_RDONLY), 861 #ifdef MS_RELATIME 862 FLAG_GENERIC(MS_RELATIME), 863 #endif 864 FLAG_GENERIC(MS_REMOUNT), 865 FLAG_GENERIC(MS_SYNCHRONOUS), 866 FLAG_END, 867 }; 868 869 UNUSED static struct flags umount2_flags[] = { 870 #ifdef MNT_FORCE 871 FLAG_GENERIC(MNT_FORCE), 872 #endif 873 #ifdef MNT_DETACH 874 FLAG_GENERIC(MNT_DETACH), 875 #endif 876 #ifdef MNT_EXPIRE 877 FLAG_GENERIC(MNT_EXPIRE), 878 #endif 879 FLAG_END, 880 }; 881 882 UNUSED static struct flags mmap_prot_flags[] = { 883 FLAG_GENERIC(PROT_NONE), 884 FLAG_GENERIC(PROT_EXEC), 885 FLAG_GENERIC(PROT_READ), 886 FLAG_GENERIC(PROT_WRITE), 887 FLAG_TARGET(PROT_SEM), 888 FLAG_GENERIC(PROT_GROWSDOWN), 889 FLAG_GENERIC(PROT_GROWSUP), 890 FLAG_END, 891 }; 892 893 UNUSED static struct flags mmap_flags[] = { 894 FLAG_TARGET(MAP_SHARED), 895 FLAG_TARGET(MAP_PRIVATE), 896 FLAG_TARGET(MAP_ANONYMOUS), 897 FLAG_TARGET(MAP_DENYWRITE), 898 FLAG_TARGET(MAP_FIXED), 899 FLAG_TARGET(MAP_GROWSDOWN), 900 FLAG_TARGET(MAP_EXECUTABLE), 901 #ifdef MAP_LOCKED 902 FLAG_TARGET(MAP_LOCKED), 903 #endif 904 #ifdef MAP_NONBLOCK 905 FLAG_TARGET(MAP_NONBLOCK), 906 #endif 907 FLAG_TARGET(MAP_NORESERVE), 908 #ifdef MAP_POPULATE 909 FLAG_TARGET(MAP_POPULATE), 910 #endif 911 #ifdef TARGET_MAP_UNINITIALIZED 912 FLAG_TARGET(MAP_UNINITIALIZED), 913 #endif 914 FLAG_END, 915 }; 916 917 UNUSED static struct flags clone_flags[] = { 918 FLAG_GENERIC(CLONE_VM), 919 FLAG_GENERIC(CLONE_FS), 920 FLAG_GENERIC(CLONE_FILES), 921 FLAG_GENERIC(CLONE_SIGHAND), 922 FLAG_GENERIC(CLONE_PTRACE), 923 FLAG_GENERIC(CLONE_VFORK), 924 FLAG_GENERIC(CLONE_PARENT), 925 FLAG_GENERIC(CLONE_THREAD), 926 FLAG_GENERIC(CLONE_NEWNS), 927 FLAG_GENERIC(CLONE_SYSVSEM), 928 FLAG_GENERIC(CLONE_SETTLS), 929 FLAG_GENERIC(CLONE_PARENT_SETTID), 930 FLAG_GENERIC(CLONE_CHILD_CLEARTID), 931 FLAG_GENERIC(CLONE_DETACHED), 932 FLAG_GENERIC(CLONE_UNTRACED), 933 FLAG_GENERIC(CLONE_CHILD_SETTID), 934 #if defined(CLONE_NEWUTS) 935 FLAG_GENERIC(CLONE_NEWUTS), 936 #endif 937 #if defined(CLONE_NEWIPC) 938 FLAG_GENERIC(CLONE_NEWIPC), 939 #endif 940 #if defined(CLONE_NEWUSER) 941 FLAG_GENERIC(CLONE_NEWUSER), 942 #endif 943 #if defined(CLONE_NEWPID) 944 FLAG_GENERIC(CLONE_NEWPID), 945 #endif 946 #if defined(CLONE_NEWNET) 947 FLAG_GENERIC(CLONE_NEWNET), 948 #endif 949 #if defined(CLONE_IO) 950 FLAG_GENERIC(CLONE_IO), 951 #endif 952 FLAG_END, 953 }; 954 955 UNUSED static struct flags msg_flags[] = { 956 /* send */ 957 FLAG_GENERIC(MSG_CONFIRM), 958 FLAG_GENERIC(MSG_DONTROUTE), 959 FLAG_GENERIC(MSG_DONTWAIT), 960 FLAG_GENERIC(MSG_EOR), 961 FLAG_GENERIC(MSG_MORE), 962 FLAG_GENERIC(MSG_NOSIGNAL), 963 FLAG_GENERIC(MSG_OOB), 964 /* recv */ 965 FLAG_GENERIC(MSG_CMSG_CLOEXEC), 966 FLAG_GENERIC(MSG_ERRQUEUE), 967 FLAG_GENERIC(MSG_PEEK), 968 FLAG_GENERIC(MSG_TRUNC), 969 FLAG_GENERIC(MSG_WAITALL), 970 /* recvmsg */ 971 FLAG_GENERIC(MSG_CTRUNC), 972 FLAG_END, 973 }; 974 975 /* 976 * print_xxx utility functions. These are used to print syscall 977 * parameters in certain format. All of these have parameter 978 * named 'last'. This parameter is used to add comma to output 979 * when last == 0. 980 */ 981 982 static const char * 983 get_comma(int last) 984 { 985 return ((last) ? "" : ","); 986 } 987 988 static void 989 print_flags(const struct flags *f, abi_long flags, int last) 990 { 991 const char *sep = ""; 992 int n; 993 994 if ((flags == 0) && (f->f_value == 0)) { 995 gemu_log("%s%s", f->f_string, get_comma(last)); 996 return; 997 } 998 for (n = 0; f->f_string != NULL; f++) { 999 if ((f->f_value != 0) && ((flags & f->f_value) == f->f_value)) { 1000 gemu_log("%s%s", sep, f->f_string); 1001 flags &= ~f->f_value; 1002 sep = "|"; 1003 n++; 1004 } 1005 } 1006 1007 if (n > 0) { 1008 /* print rest of the flags as numeric */ 1009 if (flags != 0) { 1010 gemu_log("%s%#x%s", sep, (unsigned int)flags, get_comma(last)); 1011 } else { 1012 gemu_log("%s", get_comma(last)); 1013 } 1014 } else { 1015 /* no string version of flags found, print them in hex then */ 1016 gemu_log("%#x%s", (unsigned int)flags, get_comma(last)); 1017 } 1018 } 1019 1020 static void 1021 print_at_dirfd(abi_long dirfd, int last) 1022 { 1023 #ifdef AT_FDCWD 1024 if (dirfd == AT_FDCWD) { 1025 gemu_log("AT_FDCWD%s", get_comma(last)); 1026 return; 1027 } 1028 #endif 1029 gemu_log("%d%s", (int)dirfd, get_comma(last)); 1030 } 1031 1032 static void 1033 print_file_mode(abi_long mode, int last) 1034 { 1035 const char *sep = ""; 1036 const struct flags *m; 1037 1038 for (m = &mode_flags[0]; m->f_string != NULL; m++) { 1039 if ((m->f_value & mode) == m->f_value) { 1040 gemu_log("%s%s", m->f_string, sep); 1041 sep = "|"; 1042 mode &= ~m->f_value; 1043 break; 1044 } 1045 } 1046 1047 mode &= ~S_IFMT; 1048 /* print rest of the mode as octal */ 1049 if (mode != 0) 1050 gemu_log("%s%#o", sep, (unsigned int)mode); 1051 1052 gemu_log("%s", get_comma(last)); 1053 } 1054 1055 static void 1056 print_open_flags(abi_long flags, int last) 1057 { 1058 print_flags(open_access_flags, flags & TARGET_O_ACCMODE, 1); 1059 flags &= ~TARGET_O_ACCMODE; 1060 if (flags == 0) { 1061 gemu_log("%s", get_comma(last)); 1062 return; 1063 } 1064 gemu_log("|"); 1065 print_flags(open_flags, flags, last); 1066 } 1067 1068 static void 1069 print_syscall_prologue(const struct syscallname *sc) 1070 { 1071 gemu_log("%s(", sc->name); 1072 } 1073 1074 /*ARGSUSED*/ 1075 static void 1076 print_syscall_epilogue(const struct syscallname *sc) 1077 { 1078 (void)sc; 1079 gemu_log(")"); 1080 } 1081 1082 static void 1083 print_string(abi_long addr, int last) 1084 { 1085 char *s; 1086 1087 if ((s = lock_user_string(addr)) != NULL) { 1088 gemu_log("\"%s\"%s", s, get_comma(last)); 1089 unlock_user(s, addr, 0); 1090 } else { 1091 /* can't get string out of it, so print it as pointer */ 1092 print_pointer(addr, last); 1093 } 1094 } 1095 1096 #define MAX_PRINT_BUF 40 1097 static void 1098 print_buf(abi_long addr, abi_long len, int last) 1099 { 1100 uint8_t *s; 1101 int i; 1102 1103 s = lock_user(VERIFY_READ, addr, len, 1); 1104 if (s) { 1105 gemu_log("\""); 1106 for (i = 0; i < MAX_PRINT_BUF && i < len; i++) { 1107 if (isprint(s[i])) { 1108 gemu_log("%c", s[i]); 1109 } else { 1110 gemu_log("\\%o", s[i]); 1111 } 1112 } 1113 gemu_log("\""); 1114 if (i != len) { 1115 gemu_log("..."); 1116 } 1117 if (!last) { 1118 gemu_log(","); 1119 } 1120 unlock_user(s, addr, 0); 1121 } else { 1122 print_pointer(addr, last); 1123 } 1124 } 1125 1126 /* 1127 * Prints out raw parameter using given format. Caller needs 1128 * to do byte swapping if needed. 1129 */ 1130 static void 1131 print_raw_param(const char *fmt, abi_long param, int last) 1132 { 1133 char format[64]; 1134 1135 (void) snprintf(format, sizeof (format), "%s%s", fmt, get_comma(last)); 1136 gemu_log(format, param); 1137 } 1138 1139 static void 1140 print_pointer(abi_long p, int last) 1141 { 1142 if (p == 0) 1143 gemu_log("NULL%s", get_comma(last)); 1144 else 1145 gemu_log("0x" TARGET_ABI_FMT_lx "%s", p, get_comma(last)); 1146 } 1147 1148 /* 1149 * Reads 32-bit (int) number from guest address space from 1150 * address 'addr' and prints it. 1151 */ 1152 static void 1153 print_number(abi_long addr, int last) 1154 { 1155 if (addr == 0) { 1156 gemu_log("NULL%s", get_comma(last)); 1157 } else { 1158 int num; 1159 1160 get_user_s32(num, addr); 1161 gemu_log("[%d]%s", num, get_comma(last)); 1162 } 1163 } 1164 1165 static void 1166 print_timeval(abi_ulong tv_addr, int last) 1167 { 1168 if( tv_addr ) { 1169 struct target_timeval *tv; 1170 1171 tv = lock_user(VERIFY_READ, tv_addr, sizeof(*tv), 1); 1172 if (!tv) 1173 return; 1174 gemu_log("{" TARGET_ABI_FMT_ld "," TARGET_ABI_FMT_ld "}%s", 1175 tswapal(tv->tv_sec), tswapal(tv->tv_usec), get_comma(last)); 1176 unlock_user(tv, tv_addr, 0); 1177 } else 1178 gemu_log("NULL%s", get_comma(last)); 1179 } 1180 1181 #undef UNUSED 1182 1183 #ifdef TARGET_NR_accept 1184 static void 1185 print_accept(const struct syscallname *name, 1186 abi_long arg0, abi_long arg1, abi_long arg2, 1187 abi_long arg3, abi_long arg4, abi_long arg5) 1188 { 1189 print_syscall_prologue(name); 1190 print_raw_param("%d", arg0, 0); 1191 print_pointer(arg1, 0); 1192 print_number(arg2, 1); 1193 print_syscall_epilogue(name); 1194 } 1195 #endif 1196 1197 #ifdef TARGET_NR_access 1198 static void 1199 print_access(const struct syscallname *name, 1200 abi_long arg0, abi_long arg1, abi_long arg2, 1201 abi_long arg3, abi_long arg4, abi_long arg5) 1202 { 1203 print_syscall_prologue(name); 1204 print_string(arg0, 0); 1205 print_flags(access_flags, arg1, 1); 1206 print_syscall_epilogue(name); 1207 } 1208 #endif 1209 1210 #ifdef TARGET_NR_brk 1211 static void 1212 print_brk(const struct syscallname *name, 1213 abi_long arg0, abi_long arg1, abi_long arg2, 1214 abi_long arg3, abi_long arg4, abi_long arg5) 1215 { 1216 print_syscall_prologue(name); 1217 print_pointer(arg0, 1); 1218 print_syscall_epilogue(name); 1219 } 1220 #endif 1221 1222 #ifdef TARGET_NR_chdir 1223 static void 1224 print_chdir(const struct syscallname *name, 1225 abi_long arg0, abi_long arg1, abi_long arg2, 1226 abi_long arg3, abi_long arg4, abi_long arg5) 1227 { 1228 print_syscall_prologue(name); 1229 print_string(arg0, 1); 1230 print_syscall_epilogue(name); 1231 } 1232 #endif 1233 1234 #ifdef TARGET_NR_chmod 1235 static void 1236 print_chmod(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_string(arg0, 0); 1242 print_file_mode(arg1, 1); 1243 print_syscall_epilogue(name); 1244 } 1245 #endif 1246 1247 #ifdef TARGET_NR_clock_adjtime 1248 static void 1249 print_clock_adjtime(const struct syscallname *name, 1250 abi_long arg0, abi_long arg1, abi_long arg2, 1251 abi_long arg3, abi_long arg4, abi_long arg5) 1252 { 1253 print_syscall_prologue(name); 1254 print_clockid(arg0, 0); 1255 print_pointer(arg1, 1); 1256 print_syscall_epilogue(name); 1257 } 1258 #endif 1259 1260 #ifdef TARGET_NR_clone 1261 static void do_print_clone(unsigned int flags, abi_ulong newsp, 1262 abi_ulong parent_tidptr, target_ulong newtls, 1263 abi_ulong child_tidptr) 1264 { 1265 print_flags(clone_flags, flags, 0); 1266 print_raw_param("child_stack=0x" TARGET_ABI_FMT_lx, newsp, 0); 1267 print_raw_param("parent_tidptr=0x" TARGET_ABI_FMT_lx, parent_tidptr, 0); 1268 print_raw_param("tls=0x" TARGET_ABI_FMT_lx, newtls, 0); 1269 print_raw_param("child_tidptr=0x" TARGET_ABI_FMT_lx, child_tidptr, 1); 1270 } 1271 1272 static void 1273 print_clone(const struct syscallname *name, 1274 abi_long arg1, abi_long arg2, abi_long arg3, 1275 abi_long arg4, abi_long arg5, abi_long arg6) 1276 { 1277 print_syscall_prologue(name); 1278 #if defined(TARGET_MICROBLAZE) 1279 do_print_clone(arg1, arg2, arg4, arg6, arg5); 1280 #elif defined(TARGET_CLONE_BACKWARDS) 1281 do_print_clone(arg1, arg2, arg3, arg4, arg5); 1282 #elif defined(TARGET_CLONE_BACKWARDS2) 1283 do_print_clone(arg2, arg1, arg3, arg5, arg4); 1284 #else 1285 do_print_clone(arg1, arg2, arg3, arg5, arg4); 1286 #endif 1287 print_syscall_epilogue(name); 1288 } 1289 #endif 1290 1291 #ifdef TARGET_NR_creat 1292 static void 1293 print_creat(const struct syscallname *name, 1294 abi_long arg0, abi_long arg1, abi_long arg2, 1295 abi_long arg3, abi_long arg4, abi_long arg5) 1296 { 1297 print_syscall_prologue(name); 1298 print_string(arg0, 0); 1299 print_file_mode(arg1, 1); 1300 print_syscall_epilogue(name); 1301 } 1302 #endif 1303 1304 #ifdef TARGET_NR_execv 1305 static void 1306 print_execv(const struct syscallname *name, 1307 abi_long arg0, abi_long arg1, abi_long arg2, 1308 abi_long arg3, abi_long arg4, abi_long arg5) 1309 { 1310 print_syscall_prologue(name); 1311 print_string(arg0, 0); 1312 print_raw_param("0x" TARGET_ABI_FMT_lx, arg1, 1); 1313 print_syscall_epilogue(name); 1314 } 1315 #endif 1316 1317 #ifdef TARGET_NR_faccessat 1318 static void 1319 print_faccessat(const struct syscallname *name, 1320 abi_long arg0, abi_long arg1, abi_long arg2, 1321 abi_long arg3, abi_long arg4, abi_long arg5) 1322 { 1323 print_syscall_prologue(name); 1324 print_at_dirfd(arg0, 0); 1325 print_string(arg1, 0); 1326 print_flags(access_flags, arg2, 0); 1327 print_flags(at_file_flags, arg3, 1); 1328 print_syscall_epilogue(name); 1329 } 1330 #endif 1331 1332 #ifdef TARGET_NR_fchmodat 1333 static void 1334 print_fchmodat(const struct syscallname *name, 1335 abi_long arg0, abi_long arg1, abi_long arg2, 1336 abi_long arg3, abi_long arg4, abi_long arg5) 1337 { 1338 print_syscall_prologue(name); 1339 print_at_dirfd(arg0, 0); 1340 print_string(arg1, 0); 1341 print_file_mode(arg2, 0); 1342 print_flags(at_file_flags, arg3, 1); 1343 print_syscall_epilogue(name); 1344 } 1345 #endif 1346 1347 #ifdef TARGET_NR_fchownat 1348 static void 1349 print_fchownat(const struct syscallname *name, 1350 abi_long arg0, abi_long arg1, abi_long arg2, 1351 abi_long arg3, abi_long arg4, abi_long arg5) 1352 { 1353 print_syscall_prologue(name); 1354 print_at_dirfd(arg0, 0); 1355 print_string(arg1, 0); 1356 print_raw_param("%d", arg2, 0); 1357 print_raw_param("%d", arg3, 0); 1358 print_flags(at_file_flags, arg4, 1); 1359 print_syscall_epilogue(name); 1360 } 1361 #endif 1362 1363 #if defined(TARGET_NR_fcntl) || defined(TARGET_NR_fcntl64) 1364 static void 1365 print_fcntl(const struct syscallname *name, 1366 abi_long arg0, abi_long arg1, abi_long arg2, 1367 abi_long arg3, abi_long arg4, abi_long arg5) 1368 { 1369 print_syscall_prologue(name); 1370 print_raw_param("%d", arg0, 0); 1371 switch(arg1) { 1372 case TARGET_F_DUPFD: 1373 gemu_log("F_DUPFD,"); 1374 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1); 1375 break; 1376 case TARGET_F_GETFD: 1377 gemu_log("F_GETFD"); 1378 break; 1379 case TARGET_F_SETFD: 1380 gemu_log("F_SETFD,"); 1381 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1); 1382 break; 1383 case TARGET_F_GETFL: 1384 gemu_log("F_GETFL"); 1385 break; 1386 case TARGET_F_SETFL: 1387 gemu_log("F_SETFL,"); 1388 print_open_flags(arg2, 1); 1389 break; 1390 case TARGET_F_GETLK: 1391 gemu_log("F_GETLK,"); 1392 print_pointer(arg2, 1); 1393 break; 1394 case TARGET_F_SETLK: 1395 gemu_log("F_SETLK,"); 1396 print_pointer(arg2, 1); 1397 break; 1398 case TARGET_F_SETLKW: 1399 gemu_log("F_SETLKW,"); 1400 print_pointer(arg2, 1); 1401 break; 1402 case TARGET_F_GETOWN: 1403 gemu_log("F_GETOWN"); 1404 break; 1405 case TARGET_F_SETOWN: 1406 gemu_log("F_SETOWN,"); 1407 print_raw_param(TARGET_ABI_FMT_ld, arg2, 0); 1408 break; 1409 case TARGET_F_GETSIG: 1410 gemu_log("F_GETSIG"); 1411 break; 1412 case TARGET_F_SETSIG: 1413 gemu_log("F_SETSIG,"); 1414 print_raw_param(TARGET_ABI_FMT_ld, arg2, 0); 1415 break; 1416 #if TARGET_ABI_BITS == 32 1417 case TARGET_F_GETLK64: 1418 gemu_log("F_GETLK64,"); 1419 print_pointer(arg2, 1); 1420 break; 1421 case TARGET_F_SETLK64: 1422 gemu_log("F_SETLK64,"); 1423 print_pointer(arg2, 1); 1424 break; 1425 case TARGET_F_SETLKW64: 1426 gemu_log("F_SETLKW64,"); 1427 print_pointer(arg2, 1); 1428 break; 1429 #endif 1430 case TARGET_F_SETLEASE: 1431 gemu_log("F_SETLEASE,"); 1432 print_raw_param(TARGET_ABI_FMT_ld, arg2, 0); 1433 break; 1434 case TARGET_F_GETLEASE: 1435 gemu_log("F_GETLEASE"); 1436 break; 1437 case TARGET_F_SETPIPE_SZ: 1438 gemu_log("F_SETPIPE_SZ,"); 1439 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1); 1440 break; 1441 case TARGET_F_GETPIPE_SZ: 1442 gemu_log("F_GETPIPE_SZ"); 1443 break; 1444 case TARGET_F_DUPFD_CLOEXEC: 1445 gemu_log("F_DUPFD_CLOEXEC,"); 1446 print_raw_param(TARGET_ABI_FMT_ld, arg2, 1); 1447 break; 1448 case TARGET_F_NOTIFY: 1449 gemu_log("F_NOTIFY,"); 1450 print_raw_param(TARGET_ABI_FMT_ld, arg2, 0); 1451 break; 1452 default: 1453 print_raw_param(TARGET_ABI_FMT_ld, arg1, 0); 1454 print_pointer(arg2, 1); 1455 break; 1456 } 1457 print_syscall_epilogue(name); 1458 } 1459 #define print_fcntl64 print_fcntl 1460 #endif 1461 1462 1463 #ifdef TARGET_NR_futimesat 1464 static void 1465 print_futimesat(const struct syscallname *name, 1466 abi_long arg0, abi_long arg1, abi_long arg2, 1467 abi_long arg3, abi_long arg4, abi_long arg5) 1468 { 1469 print_syscall_prologue(name); 1470 print_at_dirfd(arg0, 0); 1471 print_string(arg1, 0); 1472 print_timeval(arg2, 0); 1473 print_timeval(arg2 + sizeof (struct target_timeval), 1); 1474 print_syscall_epilogue(name); 1475 } 1476 #endif 1477 1478 #ifdef TARGET_NR_link 1479 static void 1480 print_link(const struct syscallname *name, 1481 abi_long arg0, abi_long arg1, abi_long arg2, 1482 abi_long arg3, abi_long arg4, abi_long arg5) 1483 { 1484 print_syscall_prologue(name); 1485 print_string(arg0, 0); 1486 print_string(arg1, 1); 1487 print_syscall_epilogue(name); 1488 } 1489 #endif 1490 1491 #ifdef TARGET_NR_linkat 1492 static void 1493 print_linkat(const struct syscallname *name, 1494 abi_long arg0, abi_long arg1, abi_long arg2, 1495 abi_long arg3, abi_long arg4, abi_long arg5) 1496 { 1497 print_syscall_prologue(name); 1498 print_at_dirfd(arg0, 0); 1499 print_string(arg1, 0); 1500 print_at_dirfd(arg2, 0); 1501 print_string(arg3, 0); 1502 print_flags(at_file_flags, arg4, 1); 1503 print_syscall_epilogue(name); 1504 } 1505 #endif 1506 1507 #ifdef TARGET_NR__llseek 1508 static void 1509 print__llseek(const struct syscallname *name, 1510 abi_long arg0, abi_long arg1, abi_long arg2, 1511 abi_long arg3, abi_long arg4, abi_long arg5) 1512 { 1513 const char *whence = "UNKNOWN"; 1514 print_syscall_prologue(name); 1515 print_raw_param("%d", arg0, 0); 1516 print_raw_param("%ld", arg1, 0); 1517 print_raw_param("%ld", arg2, 0); 1518 print_pointer(arg3, 0); 1519 switch(arg4) { 1520 case SEEK_SET: whence = "SEEK_SET"; break; 1521 case SEEK_CUR: whence = "SEEK_CUR"; break; 1522 case SEEK_END: whence = "SEEK_END"; break; 1523 } 1524 gemu_log("%s",whence); 1525 print_syscall_epilogue(name); 1526 } 1527 #endif 1528 1529 #if defined(TARGET_NR_socket) 1530 static void 1531 print_socket(const struct syscallname *name, 1532 abi_long arg0, abi_long arg1, abi_long arg2, 1533 abi_long arg3, abi_long arg4, abi_long arg5) 1534 { 1535 abi_ulong domain = arg0, type = arg1, protocol = arg2; 1536 1537 print_syscall_prologue(name); 1538 print_socket_domain(domain); 1539 gemu_log(","); 1540 print_socket_type(type); 1541 gemu_log(","); 1542 if (domain == AF_PACKET || 1543 (domain == AF_INET && type == TARGET_SOCK_PACKET)) { 1544 protocol = tswap16(protocol); 1545 } 1546 print_socket_protocol(domain, type, protocol); 1547 print_syscall_epilogue(name); 1548 } 1549 1550 #endif 1551 1552 #if defined(TARGET_NR_socketcall) 1553 1554 #define get_user_ualx(x, gaddr, idx) \ 1555 get_user_ual(x, (gaddr) + (idx) * sizeof(abi_long)) 1556 1557 static void do_print_socket(const char *name, abi_long arg1) 1558 { 1559 abi_ulong domain, type, protocol; 1560 1561 get_user_ualx(domain, arg1, 0); 1562 get_user_ualx(type, arg1, 1); 1563 get_user_ualx(protocol, arg1, 2); 1564 gemu_log("%s(", name); 1565 print_socket_domain(domain); 1566 gemu_log(","); 1567 print_socket_type(type); 1568 gemu_log(","); 1569 if (domain == AF_PACKET || 1570 (domain == AF_INET && type == TARGET_SOCK_PACKET)) { 1571 protocol = tswap16(protocol); 1572 } 1573 print_socket_protocol(domain, type, protocol); 1574 gemu_log(")"); 1575 } 1576 1577 static void do_print_sockaddr(const char *name, abi_long arg1) 1578 { 1579 abi_ulong sockfd, addr, addrlen; 1580 1581 get_user_ualx(sockfd, arg1, 0); 1582 get_user_ualx(addr, arg1, 1); 1583 get_user_ualx(addrlen, arg1, 2); 1584 1585 gemu_log("%s(", name); 1586 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1587 print_sockaddr(addr, addrlen); 1588 gemu_log(")"); 1589 } 1590 1591 static void do_print_listen(const char *name, abi_long arg1) 1592 { 1593 abi_ulong sockfd, backlog; 1594 1595 get_user_ualx(sockfd, arg1, 0); 1596 get_user_ualx(backlog, arg1, 1); 1597 1598 gemu_log("%s(", name); 1599 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1600 print_raw_param(TARGET_ABI_FMT_ld, backlog, 1); 1601 gemu_log(")"); 1602 } 1603 1604 static void do_print_socketpair(const char *name, abi_long arg1) 1605 { 1606 abi_ulong domain, type, protocol, tab; 1607 1608 get_user_ualx(domain, arg1, 0); 1609 get_user_ualx(type, arg1, 1); 1610 get_user_ualx(protocol, arg1, 2); 1611 get_user_ualx(tab, arg1, 3); 1612 1613 gemu_log("%s(", name); 1614 print_socket_domain(domain); 1615 gemu_log(","); 1616 print_socket_type(type); 1617 gemu_log(","); 1618 print_socket_protocol(domain, type, protocol); 1619 gemu_log(","); 1620 print_raw_param(TARGET_ABI_FMT_lx, tab, 1); 1621 gemu_log(")"); 1622 } 1623 1624 static void do_print_sendrecv(const char *name, abi_long arg1) 1625 { 1626 abi_ulong sockfd, msg, len, flags; 1627 1628 get_user_ualx(sockfd, arg1, 0); 1629 get_user_ualx(msg, arg1, 1); 1630 get_user_ualx(len, arg1, 2); 1631 get_user_ualx(flags, arg1, 3); 1632 1633 gemu_log("%s(", name); 1634 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1635 print_buf(msg, len, 0); 1636 print_raw_param(TARGET_ABI_FMT_ld, len, 0); 1637 print_flags(msg_flags, flags, 1); 1638 gemu_log(")"); 1639 } 1640 1641 static void do_print_msgaddr(const char *name, abi_long arg1) 1642 { 1643 abi_ulong sockfd, msg, len, flags, addr, addrlen; 1644 1645 get_user_ualx(sockfd, arg1, 0); 1646 get_user_ualx(msg, arg1, 1); 1647 get_user_ualx(len, arg1, 2); 1648 get_user_ualx(flags, arg1, 3); 1649 get_user_ualx(addr, arg1, 4); 1650 get_user_ualx(addrlen, arg1, 5); 1651 1652 gemu_log("%s(", name); 1653 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1654 print_buf(msg, len, 0); 1655 print_raw_param(TARGET_ABI_FMT_ld, len, 0); 1656 print_flags(msg_flags, flags, 0); 1657 print_sockaddr(addr, addrlen); 1658 gemu_log(")"); 1659 } 1660 1661 static void do_print_shutdown(const char *name, abi_long arg1) 1662 { 1663 abi_ulong sockfd, how; 1664 1665 get_user_ualx(sockfd, arg1, 0); 1666 get_user_ualx(how, arg1, 1); 1667 1668 gemu_log("shutdown("); 1669 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1670 switch (how) { 1671 case SHUT_RD: 1672 gemu_log("SHUT_RD"); 1673 break; 1674 case SHUT_WR: 1675 gemu_log("SHUT_WR"); 1676 break; 1677 case SHUT_RDWR: 1678 gemu_log("SHUT_RDWR"); 1679 break; 1680 default: 1681 print_raw_param(TARGET_ABI_FMT_ld, how, 1); 1682 break; 1683 } 1684 gemu_log(")"); 1685 } 1686 1687 static void do_print_msg(const char *name, abi_long arg1) 1688 { 1689 abi_ulong sockfd, msg, flags; 1690 1691 get_user_ualx(sockfd, arg1, 0); 1692 get_user_ualx(msg, arg1, 1); 1693 get_user_ualx(flags, arg1, 2); 1694 1695 gemu_log("%s(", name); 1696 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1697 print_pointer(msg, 0); 1698 print_flags(msg_flags, flags, 1); 1699 gemu_log(")"); 1700 } 1701 1702 static void do_print_sockopt(const char *name, abi_long arg1) 1703 { 1704 abi_ulong sockfd, level, optname, optval, optlen; 1705 1706 get_user_ualx(sockfd, arg1, 0); 1707 get_user_ualx(level, arg1, 1); 1708 get_user_ualx(optname, arg1, 2); 1709 get_user_ualx(optval, arg1, 3); 1710 get_user_ualx(optlen, arg1, 4); 1711 1712 gemu_log("%s(", name); 1713 print_raw_param(TARGET_ABI_FMT_ld, sockfd, 0); 1714 switch (level) { 1715 case SOL_TCP: 1716 gemu_log("SOL_TCP,"); 1717 print_raw_param(TARGET_ABI_FMT_ld, optname, 0); 1718 print_pointer(optval, 0); 1719 break; 1720 case SOL_IP: 1721 gemu_log("SOL_IP,"); 1722 print_raw_param(TARGET_ABI_FMT_ld, optname, 0); 1723 print_pointer(optval, 0); 1724 break; 1725 case SOL_RAW: 1726 gemu_log("SOL_RAW,"); 1727 print_raw_param(TARGET_ABI_FMT_ld, optname, 0); 1728 print_pointer(optval, 0); 1729 break; 1730 case TARGET_SOL_SOCKET: 1731 gemu_log("SOL_SOCKET,"); 1732 switch (optname) { 1733 case TARGET_SO_DEBUG: 1734 gemu_log("SO_DEBUG,"); 1735 print_optint: 1736 print_number(optval, 0); 1737 break; 1738 case TARGET_SO_REUSEADDR: 1739 gemu_log("SO_REUSEADDR,"); 1740 goto print_optint; 1741 case TARGET_SO_TYPE: 1742 gemu_log("SO_TYPE,"); 1743 goto print_optint; 1744 case TARGET_SO_ERROR: 1745 gemu_log("SO_ERROR,"); 1746 goto print_optint; 1747 case TARGET_SO_DONTROUTE: 1748 gemu_log("SO_DONTROUTE,"); 1749 goto print_optint; 1750 case TARGET_SO_BROADCAST: 1751 gemu_log("SO_BROADCAST,"); 1752 goto print_optint; 1753 case TARGET_SO_SNDBUF: 1754 gemu_log("SO_SNDBUF,"); 1755 goto print_optint; 1756 case TARGET_SO_RCVBUF: 1757 gemu_log("SO_RCVBUF,"); 1758 goto print_optint; 1759 case TARGET_SO_KEEPALIVE: 1760 gemu_log("SO_KEEPALIVE,"); 1761 goto print_optint; 1762 case TARGET_SO_OOBINLINE: 1763 gemu_log("SO_OOBINLINE,"); 1764 goto print_optint; 1765 case TARGET_SO_NO_CHECK: 1766 gemu_log("SO_NO_CHECK,"); 1767 goto print_optint; 1768 case TARGET_SO_PRIORITY: 1769 gemu_log("SO_PRIORITY,"); 1770 goto print_optint; 1771 case TARGET_SO_BSDCOMPAT: 1772 gemu_log("SO_BSDCOMPAT,"); 1773 goto print_optint; 1774 case TARGET_SO_PASSCRED: 1775 gemu_log("SO_PASSCRED,"); 1776 goto print_optint; 1777 case TARGET_SO_TIMESTAMP: 1778 gemu_log("SO_TIMESTAMP,"); 1779 goto print_optint; 1780 case TARGET_SO_RCVLOWAT: 1781 gemu_log("SO_RCVLOWAT,"); 1782 goto print_optint; 1783 case TARGET_SO_RCVTIMEO: 1784 gemu_log("SO_RCVTIMEO,"); 1785 print_timeval(optval, 0); 1786 break; 1787 case TARGET_SO_SNDTIMEO: 1788 gemu_log("SO_SNDTIMEO,"); 1789 print_timeval(optval, 0); 1790 break; 1791 case TARGET_SO_ATTACH_FILTER: { 1792 struct target_sock_fprog *fprog; 1793 1794 gemu_log("SO_ATTACH_FILTER,"); 1795 1796 if (lock_user_struct(VERIFY_READ, fprog, optval, 0)) { 1797 struct target_sock_filter *filter; 1798 gemu_log("{"); 1799 if (lock_user_struct(VERIFY_READ, filter, 1800 tswapal(fprog->filter), 0)) { 1801 int i; 1802 for (i = 0; i < tswap16(fprog->len) - 1; i++) { 1803 gemu_log("[%d]{0x%x,%d,%d,0x%x},", 1804 i, tswap16(filter[i].code), 1805 filter[i].jt, filter[i].jf, 1806 tswap32(filter[i].k)); 1807 } 1808 gemu_log("[%d]{0x%x,%d,%d,0x%x}", 1809 i, tswap16(filter[i].code), 1810 filter[i].jt, filter[i].jf, 1811 tswap32(filter[i].k)); 1812 } else { 1813 gemu_log(TARGET_ABI_FMT_lx, tswapal(fprog->filter)); 1814 } 1815 gemu_log(",%d},", tswap16(fprog->len)); 1816 unlock_user(fprog, optval, 0); 1817 } else { 1818 print_pointer(optval, 0); 1819 } 1820 break; 1821 } 1822 default: 1823 print_raw_param(TARGET_ABI_FMT_ld, optname, 0); 1824 print_pointer(optval, 0); 1825 break; 1826 } 1827 break; 1828 default: 1829 print_raw_param(TARGET_ABI_FMT_ld, level, 0); 1830 print_raw_param(TARGET_ABI_FMT_ld, optname, 0); 1831 print_pointer(optval, 0); 1832 break; 1833 } 1834 print_raw_param(TARGET_ABI_FMT_ld, optlen, 1); 1835 gemu_log(")"); 1836 } 1837 1838 #define PRINT_SOCKOP(name, func) \ 1839 [TARGET_SYS_##name] = { #name, func } 1840 1841 static struct { 1842 const char *name; 1843 void (*print)(const char *, abi_long); 1844 } scall[] = { 1845 PRINT_SOCKOP(SOCKET, do_print_socket), 1846 PRINT_SOCKOP(BIND, do_print_sockaddr), 1847 PRINT_SOCKOP(CONNECT, do_print_sockaddr), 1848 PRINT_SOCKOP(LISTEN, do_print_listen), 1849 PRINT_SOCKOP(ACCEPT, do_print_sockaddr), 1850 PRINT_SOCKOP(GETSOCKNAME, do_print_sockaddr), 1851 PRINT_SOCKOP(GETPEERNAME, do_print_sockaddr), 1852 PRINT_SOCKOP(SOCKETPAIR, do_print_socketpair), 1853 PRINT_SOCKOP(SEND, do_print_sendrecv), 1854 PRINT_SOCKOP(RECV, do_print_sendrecv), 1855 PRINT_SOCKOP(SENDTO, do_print_msgaddr), 1856 PRINT_SOCKOP(RECVFROM, do_print_msgaddr), 1857 PRINT_SOCKOP(SHUTDOWN, do_print_shutdown), 1858 PRINT_SOCKOP(SETSOCKOPT, do_print_sockopt), 1859 PRINT_SOCKOP(GETSOCKOPT, do_print_sockopt), 1860 PRINT_SOCKOP(SENDMSG, do_print_msg), 1861 PRINT_SOCKOP(RECVMSG, do_print_msg), 1862 PRINT_SOCKOP(ACCEPT4, NULL), 1863 PRINT_SOCKOP(RECVMMSG, NULL), 1864 PRINT_SOCKOP(SENDMMSG, NULL), 1865 }; 1866 1867 static void 1868 print_socketcall(const struct syscallname *name, 1869 abi_long arg0, abi_long arg1, abi_long arg2, 1870 abi_long arg3, abi_long arg4, abi_long arg5) 1871 { 1872 if (arg0 >= 0 && arg0 < ARRAY_SIZE(scall) && scall[arg0].print) { 1873 scall[arg0].print(scall[arg0].name, arg1); 1874 return; 1875 } 1876 print_syscall_prologue(name); 1877 print_raw_param(TARGET_ABI_FMT_ld, arg0, 0); 1878 print_raw_param(TARGET_ABI_FMT_ld, arg1, 0); 1879 print_raw_param(TARGET_ABI_FMT_ld, arg2, 0); 1880 print_raw_param(TARGET_ABI_FMT_ld, arg3, 0); 1881 print_raw_param(TARGET_ABI_FMT_ld, arg4, 0); 1882 print_raw_param(TARGET_ABI_FMT_ld, arg5, 0); 1883 print_syscall_epilogue(name); 1884 } 1885 #endif 1886 1887 #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) || \ 1888 defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) 1889 static void 1890 print_stat(const struct syscallname *name, 1891 abi_long arg0, abi_long arg1, abi_long arg2, 1892 abi_long arg3, abi_long arg4, abi_long arg5) 1893 { 1894 print_syscall_prologue(name); 1895 print_string(arg0, 0); 1896 print_pointer(arg1, 1); 1897 print_syscall_epilogue(name); 1898 } 1899 #define print_lstat print_stat 1900 #define print_stat64 print_stat 1901 #define print_lstat64 print_stat 1902 #endif 1903 1904 #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) 1905 static void 1906 print_fstat(const struct syscallname *name, 1907 abi_long arg0, abi_long arg1, abi_long arg2, 1908 abi_long arg3, abi_long arg4, abi_long arg5) 1909 { 1910 print_syscall_prologue(name); 1911 print_raw_param("%d", arg0, 0); 1912 print_pointer(arg1, 1); 1913 print_syscall_epilogue(name); 1914 } 1915 #define print_fstat64 print_fstat 1916 #endif 1917 1918 #ifdef TARGET_NR_mkdir 1919 static void 1920 print_mkdir(const struct syscallname *name, 1921 abi_long arg0, abi_long arg1, abi_long arg2, 1922 abi_long arg3, abi_long arg4, abi_long arg5) 1923 { 1924 print_syscall_prologue(name); 1925 print_string(arg0, 0); 1926 print_file_mode(arg1, 1); 1927 print_syscall_epilogue(name); 1928 } 1929 #endif 1930 1931 #ifdef TARGET_NR_mkdirat 1932 static void 1933 print_mkdirat(const struct syscallname *name, 1934 abi_long arg0, abi_long arg1, abi_long arg2, 1935 abi_long arg3, abi_long arg4, abi_long arg5) 1936 { 1937 print_syscall_prologue(name); 1938 print_at_dirfd(arg0, 0); 1939 print_string(arg1, 0); 1940 print_file_mode(arg2, 1); 1941 print_syscall_epilogue(name); 1942 } 1943 #endif 1944 1945 #ifdef TARGET_NR_rmdir 1946 static void 1947 print_rmdir(const struct syscallname *name, 1948 abi_long arg0, abi_long arg1, abi_long arg2, 1949 abi_long arg3, abi_long arg4, abi_long arg5) 1950 { 1951 print_syscall_prologue(name); 1952 print_string(arg0, 0); 1953 print_syscall_epilogue(name); 1954 } 1955 #endif 1956 1957 #ifdef TARGET_NR_rt_sigaction 1958 static void 1959 print_rt_sigaction(const struct syscallname *name, 1960 abi_long arg0, abi_long arg1, abi_long arg2, 1961 abi_long arg3, abi_long arg4, abi_long arg5) 1962 { 1963 print_syscall_prologue(name); 1964 print_signal(arg0, 0); 1965 print_pointer(arg1, 0); 1966 print_pointer(arg2, 1); 1967 print_syscall_epilogue(name); 1968 } 1969 #endif 1970 1971 #ifdef TARGET_NR_rt_sigprocmask 1972 static void 1973 print_rt_sigprocmask(const struct syscallname *name, 1974 abi_long arg0, abi_long arg1, abi_long arg2, 1975 abi_long arg3, abi_long arg4, abi_long arg5) 1976 { 1977 const char *how = "UNKNOWN"; 1978 print_syscall_prologue(name); 1979 switch(arg0) { 1980 case TARGET_SIG_BLOCK: how = "SIG_BLOCK"; break; 1981 case TARGET_SIG_UNBLOCK: how = "SIG_UNBLOCK"; break; 1982 case TARGET_SIG_SETMASK: how = "SIG_SETMASK"; break; 1983 } 1984 gemu_log("%s,",how); 1985 print_pointer(arg1, 0); 1986 print_pointer(arg2, 1); 1987 print_syscall_epilogue(name); 1988 } 1989 #endif 1990 1991 #ifdef TARGET_NR_rt_sigqueueinfo 1992 static void 1993 print_rt_sigqueueinfo(const struct syscallname *name, 1994 abi_long arg0, abi_long arg1, abi_long arg2, 1995 abi_long arg3, abi_long arg4, abi_long arg5) 1996 { 1997 void *p; 1998 target_siginfo_t uinfo; 1999 2000 print_syscall_prologue(name); 2001 print_raw_param("%d", arg0, 0); 2002 print_signal(arg1, 0); 2003 p = lock_user(VERIFY_READ, arg2, sizeof(target_siginfo_t), 1); 2004 if (p) { 2005 get_target_siginfo(&uinfo, p); 2006 print_siginfo(&uinfo); 2007 2008 unlock_user(p, arg2, 0); 2009 } else { 2010 print_pointer(arg2, 1); 2011 } 2012 print_syscall_epilogue(name); 2013 } 2014 #endif 2015 2016 #ifdef TARGET_NR_rt_tgsigqueueinfo 2017 static void 2018 print_rt_tgsigqueueinfo(const struct syscallname *name, 2019 abi_long arg0, abi_long arg1, abi_long arg2, 2020 abi_long arg3, abi_long arg4, abi_long arg5) 2021 { 2022 void *p; 2023 target_siginfo_t uinfo; 2024 2025 print_syscall_prologue(name); 2026 print_raw_param("%d", arg0, 0); 2027 print_raw_param("%d", arg1, 0); 2028 print_signal(arg2, 0); 2029 p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); 2030 if (p) { 2031 get_target_siginfo(&uinfo, p); 2032 print_siginfo(&uinfo); 2033 2034 unlock_user(p, arg3, 0); 2035 } else { 2036 print_pointer(arg3, 1); 2037 } 2038 print_syscall_epilogue(name); 2039 } 2040 #endif 2041 2042 #ifdef TARGET_NR_syslog 2043 static void 2044 print_syslog_action(abi_ulong arg, int last) 2045 { 2046 const char *type; 2047 2048 switch (arg) { 2049 case TARGET_SYSLOG_ACTION_CLOSE: { 2050 type = "SYSLOG_ACTION_CLOSE"; 2051 break; 2052 } 2053 case TARGET_SYSLOG_ACTION_OPEN: { 2054 type = "SYSLOG_ACTION_OPEN"; 2055 break; 2056 } 2057 case TARGET_SYSLOG_ACTION_READ: { 2058 type = "SYSLOG_ACTION_READ"; 2059 break; 2060 } 2061 case TARGET_SYSLOG_ACTION_READ_ALL: { 2062 type = "SYSLOG_ACTION_READ_ALL"; 2063 break; 2064 } 2065 case TARGET_SYSLOG_ACTION_READ_CLEAR: { 2066 type = "SYSLOG_ACTION_READ_CLEAR"; 2067 break; 2068 } 2069 case TARGET_SYSLOG_ACTION_CLEAR: { 2070 type = "SYSLOG_ACTION_CLEAR"; 2071 break; 2072 } 2073 case TARGET_SYSLOG_ACTION_CONSOLE_OFF: { 2074 type = "SYSLOG_ACTION_CONSOLE_OFF"; 2075 break; 2076 } 2077 case TARGET_SYSLOG_ACTION_CONSOLE_ON: { 2078 type = "SYSLOG_ACTION_CONSOLE_ON"; 2079 break; 2080 } 2081 case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: { 2082 type = "SYSLOG_ACTION_CONSOLE_LEVEL"; 2083 break; 2084 } 2085 case TARGET_SYSLOG_ACTION_SIZE_UNREAD: { 2086 type = "SYSLOG_ACTION_SIZE_UNREAD"; 2087 break; 2088 } 2089 case TARGET_SYSLOG_ACTION_SIZE_BUFFER: { 2090 type = "SYSLOG_ACTION_SIZE_BUFFER"; 2091 break; 2092 } 2093 default: { 2094 print_raw_param("%ld", arg, last); 2095 return; 2096 } 2097 } 2098 gemu_log("%s%s", type, get_comma(last)); 2099 } 2100 2101 static void 2102 print_syslog(const struct syscallname *name, 2103 abi_long arg0, abi_long arg1, abi_long arg2, 2104 abi_long arg3, abi_long arg4, abi_long arg5) 2105 { 2106 print_syscall_prologue(name); 2107 print_syslog_action(arg0, 0); 2108 print_pointer(arg1, 0); 2109 print_raw_param("%d", arg2, 1); 2110 print_syscall_epilogue(name); 2111 } 2112 #endif 2113 2114 #ifdef TARGET_NR_mknod 2115 static void 2116 print_mknod(const struct syscallname *name, 2117 abi_long arg0, abi_long arg1, abi_long arg2, 2118 abi_long arg3, abi_long arg4, abi_long arg5) 2119 { 2120 int hasdev = (arg1 & (S_IFCHR|S_IFBLK)); 2121 2122 print_syscall_prologue(name); 2123 print_string(arg0, 0); 2124 print_file_mode(arg1, (hasdev == 0)); 2125 if (hasdev) { 2126 print_raw_param("makedev(%d", major(arg2), 0); 2127 print_raw_param("%d)", minor(arg2), 1); 2128 } 2129 print_syscall_epilogue(name); 2130 } 2131 #endif 2132 2133 #ifdef TARGET_NR_mknodat 2134 static void 2135 print_mknodat(const struct syscallname *name, 2136 abi_long arg0, abi_long arg1, abi_long arg2, 2137 abi_long arg3, abi_long arg4, abi_long arg5) 2138 { 2139 int hasdev = (arg2 & (S_IFCHR|S_IFBLK)); 2140 2141 print_syscall_prologue(name); 2142 print_at_dirfd(arg0, 0); 2143 print_string(arg1, 0); 2144 print_file_mode(arg2, (hasdev == 0)); 2145 if (hasdev) { 2146 print_raw_param("makedev(%d", major(arg3), 0); 2147 print_raw_param("%d)", minor(arg3), 1); 2148 } 2149 print_syscall_epilogue(name); 2150 } 2151 #endif 2152 2153 #ifdef TARGET_NR_mq_open 2154 static void 2155 print_mq_open(const struct syscallname *name, 2156 abi_long arg0, abi_long arg1, abi_long arg2, 2157 abi_long arg3, abi_long arg4, abi_long arg5) 2158 { 2159 int is_creat = (arg1 & TARGET_O_CREAT); 2160 2161 print_syscall_prologue(name); 2162 print_string(arg0, 0); 2163 print_open_flags(arg1, (is_creat == 0)); 2164 if (is_creat) { 2165 print_file_mode(arg2, 0); 2166 print_pointer(arg3, 1); 2167 } 2168 print_syscall_epilogue(name); 2169 } 2170 #endif 2171 2172 #ifdef TARGET_NR_open 2173 static void 2174 print_open(const struct syscallname *name, 2175 abi_long arg0, abi_long arg1, abi_long arg2, 2176 abi_long arg3, abi_long arg4, abi_long arg5) 2177 { 2178 int is_creat = (arg1 & TARGET_O_CREAT); 2179 2180 print_syscall_prologue(name); 2181 print_string(arg0, 0); 2182 print_open_flags(arg1, (is_creat == 0)); 2183 if (is_creat) 2184 print_file_mode(arg2, 1); 2185 print_syscall_epilogue(name); 2186 } 2187 #endif 2188 2189 #ifdef TARGET_NR_openat 2190 static void 2191 print_openat(const struct syscallname *name, 2192 abi_long arg0, abi_long arg1, abi_long arg2, 2193 abi_long arg3, abi_long arg4, abi_long arg5) 2194 { 2195 int is_creat = (arg2 & TARGET_O_CREAT); 2196 2197 print_syscall_prologue(name); 2198 print_at_dirfd(arg0, 0); 2199 print_string(arg1, 0); 2200 print_open_flags(arg2, (is_creat == 0)); 2201 if (is_creat) 2202 print_file_mode(arg3, 1); 2203 print_syscall_epilogue(name); 2204 } 2205 #endif 2206 2207 #ifdef TARGET_NR_mq_unlink 2208 static void 2209 print_mq_unlink(const struct syscallname *name, 2210 abi_long arg0, abi_long arg1, abi_long arg2, 2211 abi_long arg3, abi_long arg4, abi_long arg5) 2212 { 2213 print_syscall_prologue(name); 2214 print_string(arg0, 1); 2215 print_syscall_epilogue(name); 2216 } 2217 #endif 2218 2219 #if defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat) 2220 static void 2221 print_fstatat64(const struct syscallname *name, 2222 abi_long arg0, abi_long arg1, abi_long arg2, 2223 abi_long arg3, abi_long arg4, abi_long arg5) 2224 { 2225 print_syscall_prologue(name); 2226 print_at_dirfd(arg0, 0); 2227 print_string(arg1, 0); 2228 print_pointer(arg2, 0); 2229 print_flags(at_file_flags, arg3, 1); 2230 print_syscall_epilogue(name); 2231 } 2232 #define print_newfstatat print_fstatat64 2233 #endif 2234 2235 #ifdef TARGET_NR_readlink 2236 static void 2237 print_readlink(const struct syscallname *name, 2238 abi_long arg0, abi_long arg1, abi_long arg2, 2239 abi_long arg3, abi_long arg4, abi_long arg5) 2240 { 2241 print_syscall_prologue(name); 2242 print_string(arg0, 0); 2243 print_pointer(arg1, 0); 2244 print_raw_param("%u", arg2, 1); 2245 print_syscall_epilogue(name); 2246 } 2247 #endif 2248 2249 #ifdef TARGET_NR_readlinkat 2250 static void 2251 print_readlinkat(const struct syscallname *name, 2252 abi_long arg0, abi_long arg1, abi_long arg2, 2253 abi_long arg3, abi_long arg4, abi_long arg5) 2254 { 2255 print_syscall_prologue(name); 2256 print_at_dirfd(arg0, 0); 2257 print_string(arg1, 0); 2258 print_pointer(arg2, 0); 2259 print_raw_param("%u", arg3, 1); 2260 print_syscall_epilogue(name); 2261 } 2262 #endif 2263 2264 #ifdef TARGET_NR_rename 2265 static void 2266 print_rename(const struct syscallname *name, 2267 abi_long arg0, abi_long arg1, abi_long arg2, 2268 abi_long arg3, abi_long arg4, abi_long arg5) 2269 { 2270 print_syscall_prologue(name); 2271 print_string(arg0, 0); 2272 print_string(arg1, 1); 2273 print_syscall_epilogue(name); 2274 } 2275 #endif 2276 2277 #ifdef TARGET_NR_renameat 2278 static void 2279 print_renameat(const struct syscallname *name, 2280 abi_long arg0, abi_long arg1, abi_long arg2, 2281 abi_long arg3, abi_long arg4, abi_long arg5) 2282 { 2283 print_syscall_prologue(name); 2284 print_at_dirfd(arg0, 0); 2285 print_string(arg1, 0); 2286 print_at_dirfd(arg2, 0); 2287 print_string(arg3, 1); 2288 print_syscall_epilogue(name); 2289 } 2290 #endif 2291 2292 #ifdef TARGET_NR_statfs 2293 static void 2294 print_statfs(const struct syscallname *name, 2295 abi_long arg0, abi_long arg1, abi_long arg2, 2296 abi_long arg3, abi_long arg4, abi_long arg5) 2297 { 2298 print_syscall_prologue(name); 2299 print_string(arg0, 0); 2300 print_pointer(arg1, 1); 2301 print_syscall_epilogue(name); 2302 } 2303 #define print_statfs64 print_statfs 2304 #endif 2305 2306 #ifdef TARGET_NR_symlink 2307 static void 2308 print_symlink(const struct syscallname *name, 2309 abi_long arg0, abi_long arg1, abi_long arg2, 2310 abi_long arg3, abi_long arg4, abi_long arg5) 2311 { 2312 print_syscall_prologue(name); 2313 print_string(arg0, 0); 2314 print_string(arg1, 1); 2315 print_syscall_epilogue(name); 2316 } 2317 #endif 2318 2319 #ifdef TARGET_NR_symlinkat 2320 static void 2321 print_symlinkat(const struct syscallname *name, 2322 abi_long arg0, abi_long arg1, abi_long arg2, 2323 abi_long arg3, abi_long arg4, abi_long arg5) 2324 { 2325 print_syscall_prologue(name); 2326 print_string(arg0, 0); 2327 print_at_dirfd(arg1, 0); 2328 print_string(arg2, 1); 2329 print_syscall_epilogue(name); 2330 } 2331 #endif 2332 2333 #ifdef TARGET_NR_mount 2334 static void 2335 print_mount(const struct syscallname *name, 2336 abi_long arg0, abi_long arg1, abi_long arg2, 2337 abi_long arg3, abi_long arg4, abi_long arg5) 2338 { 2339 print_syscall_prologue(name); 2340 print_string(arg0, 0); 2341 print_string(arg1, 0); 2342 print_string(arg2, 0); 2343 print_flags(mount_flags, arg3, 0); 2344 print_pointer(arg4, 1); 2345 print_syscall_epilogue(name); 2346 } 2347 #endif 2348 2349 #ifdef TARGET_NR_umount 2350 static void 2351 print_umount(const struct syscallname *name, 2352 abi_long arg0, abi_long arg1, abi_long arg2, 2353 abi_long arg3, abi_long arg4, abi_long arg5) 2354 { 2355 print_syscall_prologue(name); 2356 print_string(arg0, 1); 2357 print_syscall_epilogue(name); 2358 } 2359 #endif 2360 2361 #ifdef TARGET_NR_umount2 2362 static void 2363 print_umount2(const struct syscallname *name, 2364 abi_long arg0, abi_long arg1, abi_long arg2, 2365 abi_long arg3, abi_long arg4, abi_long arg5) 2366 { 2367 print_syscall_prologue(name); 2368 print_string(arg0, 0); 2369 print_flags(umount2_flags, arg1, 1); 2370 print_syscall_epilogue(name); 2371 } 2372 #endif 2373 2374 #ifdef TARGET_NR_unlink 2375 static void 2376 print_unlink(const struct syscallname *name, 2377 abi_long arg0, abi_long arg1, abi_long arg2, 2378 abi_long arg3, abi_long arg4, abi_long arg5) 2379 { 2380 print_syscall_prologue(name); 2381 print_string(arg0, 1); 2382 print_syscall_epilogue(name); 2383 } 2384 #endif 2385 2386 #ifdef TARGET_NR_unlinkat 2387 static void 2388 print_unlinkat(const struct syscallname *name, 2389 abi_long arg0, abi_long arg1, abi_long arg2, 2390 abi_long arg3, abi_long arg4, abi_long arg5) 2391 { 2392 print_syscall_prologue(name); 2393 print_at_dirfd(arg0, 0); 2394 print_string(arg1, 0); 2395 print_flags(unlinkat_flags, arg2, 1); 2396 print_syscall_epilogue(name); 2397 } 2398 #endif 2399 2400 #ifdef TARGET_NR_utime 2401 static void 2402 print_utime(const struct syscallname *name, 2403 abi_long arg0, abi_long arg1, abi_long arg2, 2404 abi_long arg3, abi_long arg4, abi_long arg5) 2405 { 2406 print_syscall_prologue(name); 2407 print_string(arg0, 0); 2408 print_pointer(arg1, 1); 2409 print_syscall_epilogue(name); 2410 } 2411 #endif 2412 2413 #ifdef TARGET_NR_utimes 2414 static void 2415 print_utimes(const struct syscallname *name, 2416 abi_long arg0, abi_long arg1, abi_long arg2, 2417 abi_long arg3, abi_long arg4, abi_long arg5) 2418 { 2419 print_syscall_prologue(name); 2420 print_string(arg0, 0); 2421 print_pointer(arg1, 1); 2422 print_syscall_epilogue(name); 2423 } 2424 #endif 2425 2426 #ifdef TARGET_NR_utimensat 2427 static void 2428 print_utimensat(const struct syscallname *name, 2429 abi_long arg0, abi_long arg1, abi_long arg2, 2430 abi_long arg3, abi_long arg4, abi_long arg5) 2431 { 2432 print_syscall_prologue(name); 2433 print_at_dirfd(arg0, 0); 2434 print_string(arg1, 0); 2435 print_pointer(arg2, 0); 2436 print_flags(at_file_flags, arg3, 1); 2437 print_syscall_epilogue(name); 2438 } 2439 #endif 2440 2441 #if defined(TARGET_NR_mmap) || defined(TARGET_NR_mmap2) 2442 static void 2443 print_mmap(const struct syscallname *name, 2444 abi_long arg0, abi_long arg1, abi_long arg2, 2445 abi_long arg3, abi_long arg4, abi_long arg5) 2446 { 2447 print_syscall_prologue(name); 2448 print_pointer(arg0, 0); 2449 print_raw_param("%d", arg1, 0); 2450 print_flags(mmap_prot_flags, arg2, 0); 2451 print_flags(mmap_flags, arg3, 0); 2452 print_raw_param("%d", arg4, 0); 2453 print_raw_param("%#x", arg5, 1); 2454 print_syscall_epilogue(name); 2455 } 2456 #define print_mmap2 print_mmap 2457 #endif 2458 2459 #ifdef TARGET_NR_mprotect 2460 static void 2461 print_mprotect(const struct syscallname *name, 2462 abi_long arg0, abi_long arg1, abi_long arg2, 2463 abi_long arg3, abi_long arg4, abi_long arg5) 2464 { 2465 print_syscall_prologue(name); 2466 print_pointer(arg0, 0); 2467 print_raw_param("%d", arg1, 0); 2468 print_flags(mmap_prot_flags, arg2, 1); 2469 print_syscall_epilogue(name); 2470 } 2471 #endif 2472 2473 #ifdef TARGET_NR_munmap 2474 static void 2475 print_munmap(const struct syscallname *name, 2476 abi_long arg0, abi_long arg1, abi_long arg2, 2477 abi_long arg3, abi_long arg4, abi_long arg5) 2478 { 2479 print_syscall_prologue(name); 2480 print_pointer(arg0, 0); 2481 print_raw_param("%d", arg1, 1); 2482 print_syscall_epilogue(name); 2483 } 2484 #endif 2485 2486 #ifdef TARGET_NR_futex 2487 static void print_futex_op(abi_long tflag, int last) 2488 { 2489 #define print_op(val) \ 2490 if( cmd == val ) { \ 2491 gemu_log(#val); \ 2492 return; \ 2493 } 2494 2495 int cmd = (int)tflag; 2496 #ifdef FUTEX_PRIVATE_FLAG 2497 if (cmd & FUTEX_PRIVATE_FLAG) { 2498 gemu_log("FUTEX_PRIVATE_FLAG|"); 2499 cmd &= ~FUTEX_PRIVATE_FLAG; 2500 } 2501 #endif 2502 #ifdef FUTEX_CLOCK_REALTIME 2503 if (cmd & FUTEX_CLOCK_REALTIME) { 2504 gemu_log("FUTEX_CLOCK_REALTIME|"); 2505 cmd &= ~FUTEX_CLOCK_REALTIME; 2506 } 2507 #endif 2508 print_op(FUTEX_WAIT) 2509 print_op(FUTEX_WAKE) 2510 print_op(FUTEX_FD) 2511 print_op(FUTEX_REQUEUE) 2512 print_op(FUTEX_CMP_REQUEUE) 2513 print_op(FUTEX_WAKE_OP) 2514 print_op(FUTEX_LOCK_PI) 2515 print_op(FUTEX_UNLOCK_PI) 2516 print_op(FUTEX_TRYLOCK_PI) 2517 #ifdef FUTEX_WAIT_BITSET 2518 print_op(FUTEX_WAIT_BITSET) 2519 #endif 2520 #ifdef FUTEX_WAKE_BITSET 2521 print_op(FUTEX_WAKE_BITSET) 2522 #endif 2523 /* unknown values */ 2524 gemu_log("%d",cmd); 2525 } 2526 2527 static void 2528 print_futex(const struct syscallname *name, 2529 abi_long arg0, abi_long arg1, abi_long arg2, 2530 abi_long arg3, abi_long arg4, abi_long arg5) 2531 { 2532 print_syscall_prologue(name); 2533 print_pointer(arg0, 0); 2534 print_futex_op(arg1, 0); 2535 print_raw_param(",%d", arg2, 0); 2536 print_pointer(arg3, 0); /* struct timespec */ 2537 print_pointer(arg4, 0); 2538 print_raw_param("%d", arg4, 1); 2539 print_syscall_epilogue(name); 2540 } 2541 #endif 2542 2543 #ifdef TARGET_NR_kill 2544 static void 2545 print_kill(const struct syscallname *name, 2546 abi_long arg0, abi_long arg1, abi_long arg2, 2547 abi_long arg3, abi_long arg4, abi_long arg5) 2548 { 2549 print_syscall_prologue(name); 2550 print_raw_param("%d", arg0, 0); 2551 print_signal(arg1, 1); 2552 print_syscall_epilogue(name); 2553 } 2554 #endif 2555 2556 #ifdef TARGET_NR_tkill 2557 static void 2558 print_tkill(const struct syscallname *name, 2559 abi_long arg0, abi_long arg1, abi_long arg2, 2560 abi_long arg3, abi_long arg4, abi_long arg5) 2561 { 2562 print_syscall_prologue(name); 2563 print_raw_param("%d", arg0, 0); 2564 print_signal(arg1, 1); 2565 print_syscall_epilogue(name); 2566 } 2567 #endif 2568 2569 #ifdef TARGET_NR_tgkill 2570 static void 2571 print_tgkill(const struct syscallname *name, 2572 abi_long arg0, abi_long arg1, abi_long arg2, 2573 abi_long arg3, abi_long arg4, abi_long arg5) 2574 { 2575 print_syscall_prologue(name); 2576 print_raw_param("%d", arg0, 0); 2577 print_raw_param("%d", arg1, 0); 2578 print_signal(arg2, 1); 2579 print_syscall_epilogue(name); 2580 } 2581 #endif 2582 2583 /* 2584 * An array of all of the syscalls we know about 2585 */ 2586 2587 static const struct syscallname scnames[] = { 2588 #include "strace.list" 2589 }; 2590 2591 static int nsyscalls = ARRAY_SIZE(scnames); 2592 2593 /* 2594 * The public interface to this module. 2595 */ 2596 void 2597 print_syscall(int num, 2598 abi_long arg1, abi_long arg2, abi_long arg3, 2599 abi_long arg4, abi_long arg5, abi_long arg6) 2600 { 2601 int i; 2602 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 ")"; 2603 2604 gemu_log("%d ", getpid() ); 2605 2606 for(i=0;i<nsyscalls;i++) 2607 if( scnames[i].nr == num ) { 2608 if( scnames[i].call != NULL ) { 2609 scnames[i].call(&scnames[i],arg1,arg2,arg3,arg4,arg5,arg6); 2610 } else { 2611 /* XXX: this format system is broken because it uses 2612 host types and host pointers for strings */ 2613 if( scnames[i].format != NULL ) 2614 format = scnames[i].format; 2615 gemu_log(format,scnames[i].name, arg1,arg2,arg3,arg4,arg5,arg6); 2616 } 2617 return; 2618 } 2619 gemu_log("Unknown syscall %d\n", num); 2620 } 2621 2622 2623 void 2624 print_syscall_ret(int num, abi_long ret) 2625 { 2626 int i; 2627 const char *errstr = NULL; 2628 2629 for(i=0;i<nsyscalls;i++) 2630 if( scnames[i].nr == num ) { 2631 if( scnames[i].result != NULL ) { 2632 scnames[i].result(&scnames[i],ret); 2633 } else { 2634 if (ret < 0) { 2635 errstr = target_strerror(-ret); 2636 } 2637 if (errstr) { 2638 gemu_log(" = -1 errno=" TARGET_ABI_FMT_ld " (%s)\n", 2639 -ret, errstr); 2640 } else { 2641 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); 2642 } 2643 } 2644 break; 2645 } 2646 } 2647 2648 void print_taken_signal(int target_signum, const target_siginfo_t *tinfo) 2649 { 2650 /* Print the strace output for a signal being taken: 2651 * --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=0} --- 2652 */ 2653 gemu_log("--- "); 2654 print_signal(target_signum, 1); 2655 gemu_log(" "); 2656 print_siginfo(tinfo); 2657 gemu_log(" ---\n"); 2658 } 2659