1 /* 2 * Linux syscalls 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 #include <stdlib.h> 21 #include <stdio.h> 22 #include <stdarg.h> 23 #include <string.h> 24 #include <elf.h> 25 #include <endian.h> 26 #include <errno.h> 27 #include <unistd.h> 28 #include <fcntl.h> 29 #include <time.h> 30 #include <sys/types.h> 31 #include <sys/ipc.h> 32 #include <sys/msg.h> 33 #include <sys/wait.h> 34 #include <sys/time.h> 35 #include <sys/stat.h> 36 #include <sys/mount.h> 37 #include <sys/prctl.h> 38 #include <sys/resource.h> 39 #include <sys/mman.h> 40 #include <sys/swap.h> 41 #include <signal.h> 42 #include <sched.h> 43 #include <sys/socket.h> 44 #include <sys/uio.h> 45 #include <sys/poll.h> 46 #include <sys/times.h> 47 #include <sys/shm.h> 48 #include <sys/sem.h> 49 #include <sys/statfs.h> 50 #include <utime.h> 51 #include <sys/sysinfo.h> 52 //#include <sys/user.h> 53 #include <netinet/ip.h> 54 #include <netinet/tcp.h> 55 56 #define termios host_termios 57 #define winsize host_winsize 58 #define termio host_termio 59 #define sgttyb host_sgttyb /* same as target */ 60 #define tchars host_tchars /* same as target */ 61 #define ltchars host_ltchars /* same as target */ 62 63 #include <linux/termios.h> 64 #include <linux/unistd.h> 65 #include <linux/utsname.h> 66 #include <linux/cdrom.h> 67 #include <linux/hdreg.h> 68 #include <linux/soundcard.h> 69 #include <linux/dirent.h> 70 #include <linux/kd.h> 71 72 #include "qemu.h" 73 74 //#define DEBUG 75 76 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \ 77 || defined(TARGET_M68K) || defined(TARGET_SH4) 78 /* 16 bit uid wrappers emulation */ 79 #define USE_UID16 80 #endif 81 82 //#include <linux/msdos_fs.h> 83 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) 84 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) 85 86 87 #undef _syscall0 88 #undef _syscall1 89 #undef _syscall2 90 #undef _syscall3 91 #undef _syscall4 92 #undef _syscall5 93 #undef _syscall6 94 95 #define _syscall0(type,name) \ 96 type name (void) \ 97 { \ 98 return syscall(__NR_##name); \ 99 } 100 101 #define _syscall1(type,name,type1,arg1) \ 102 type name (type1 arg1) \ 103 { \ 104 return syscall(__NR_##name, arg1); \ 105 } 106 107 #define _syscall2(type,name,type1,arg1,type2,arg2) \ 108 type name (type1 arg1,type2 arg2) \ 109 { \ 110 return syscall(__NR_##name, arg1, arg2); \ 111 } 112 113 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ 114 type name (type1 arg1,type2 arg2,type3 arg3) \ 115 { \ 116 return syscall(__NR_##name, arg1, arg2, arg3); \ 117 } 118 119 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ 120 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ 121 { \ 122 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ 123 } 124 125 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ 126 type5,arg5) \ 127 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ 128 { \ 129 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ 130 } 131 132 133 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ 134 type5,arg5,type6,arg6) \ 135 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ 136 { \ 137 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ 138 } 139 140 141 #define __NR_sys_uname __NR_uname 142 #define __NR_sys_getcwd1 __NR_getcwd 143 #define __NR_sys_getdents __NR_getdents 144 #define __NR_sys_getdents64 __NR_getdents64 145 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo 146 #define __NR_sys_syslog __NR_syslog 147 148 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) 149 #define __NR__llseek __NR_lseek 150 #endif 151 152 #ifdef __NR_gettid 153 _syscall0(int, gettid) 154 #else 155 static int gettid(void) { 156 return -ENOSYS; 157 } 158 #endif 159 _syscall1(int,sys_uname,struct new_utsname *,buf) 160 _syscall2(int,sys_getcwd1,char *,buf,size_t,size) 161 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); 162 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count); 163 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, 164 loff_t *, res, uint, wh); 165 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) 166 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) 167 #ifdef __NR_exit_group 168 _syscall1(int,exit_group,int,error_code) 169 #endif 170 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) 171 _syscall1(int,set_tid_address,int *,tidptr) 172 #endif 173 174 extern int personality(int); 175 extern int flock(int, int); 176 extern int setfsuid(int); 177 extern int setfsgid(int); 178 extern int setresuid(uid_t, uid_t, uid_t); 179 extern int getresuid(uid_t *, uid_t *, uid_t *); 180 extern int setresgid(gid_t, gid_t, gid_t); 181 extern int getresgid(gid_t *, gid_t *, gid_t *); 182 extern int setgroups(int, gid_t *); 183 184 /* 185 * This list is the union of errno values overidden in asm-<arch>/errno.h 186 * minus the errnos that are not actually generic to all archs. 187 */ 188 static uint16_t host_to_target_errno_table[1200] = { 189 [EIDRM] = TARGET_EIDRM, 190 [ECHRNG] = TARGET_ECHRNG, 191 [EL2NSYNC] = TARGET_EL2NSYNC, 192 [EL3HLT] = TARGET_EL3HLT, 193 [EL3RST] = TARGET_EL3RST, 194 [ELNRNG] = TARGET_ELNRNG, 195 [EUNATCH] = TARGET_EUNATCH, 196 [ENOCSI] = TARGET_ENOCSI, 197 [EL2HLT] = TARGET_EL2HLT, 198 [EDEADLK] = TARGET_EDEADLK, 199 [ENOLCK] = TARGET_ENOLCK, 200 [EBADE] = TARGET_EBADE, 201 [EBADR] = TARGET_EBADR, 202 [EXFULL] = TARGET_EXFULL, 203 [ENOANO] = TARGET_ENOANO, 204 [EBADRQC] = TARGET_EBADRQC, 205 [EBADSLT] = TARGET_EBADSLT, 206 [EBFONT] = TARGET_EBFONT, 207 [ENOSTR] = TARGET_ENOSTR, 208 [ENODATA] = TARGET_ENODATA, 209 [ETIME] = TARGET_ETIME, 210 [ENOSR] = TARGET_ENOSR, 211 [ENONET] = TARGET_ENONET, 212 [ENOPKG] = TARGET_ENOPKG, 213 [EREMOTE] = TARGET_EREMOTE, 214 [ENOLINK] = TARGET_ENOLINK, 215 [EADV] = TARGET_EADV, 216 [ESRMNT] = TARGET_ESRMNT, 217 [ECOMM] = TARGET_ECOMM, 218 [EPROTO] = TARGET_EPROTO, 219 [EDOTDOT] = TARGET_EDOTDOT, 220 [EMULTIHOP] = TARGET_EMULTIHOP, 221 [EBADMSG] = TARGET_EBADMSG, 222 [ENAMETOOLONG] = TARGET_ENAMETOOLONG, 223 [EOVERFLOW] = TARGET_EOVERFLOW, 224 [ENOTUNIQ] = TARGET_ENOTUNIQ, 225 [EBADFD] = TARGET_EBADFD, 226 [EREMCHG] = TARGET_EREMCHG, 227 [ELIBACC] = TARGET_ELIBACC, 228 [ELIBBAD] = TARGET_ELIBBAD, 229 [ELIBSCN] = TARGET_ELIBSCN, 230 [ELIBMAX] = TARGET_ELIBMAX, 231 [ELIBEXEC] = TARGET_ELIBEXEC, 232 [EILSEQ] = TARGET_EILSEQ, 233 [ENOSYS] = TARGET_ENOSYS, 234 [ELOOP] = TARGET_ELOOP, 235 [ERESTART] = TARGET_ERESTART, 236 [ESTRPIPE] = TARGET_ESTRPIPE, 237 [ENOTEMPTY] = TARGET_ENOTEMPTY, 238 [EUSERS] = TARGET_EUSERS, 239 [ENOTSOCK] = TARGET_ENOTSOCK, 240 [EDESTADDRREQ] = TARGET_EDESTADDRREQ, 241 [EMSGSIZE] = TARGET_EMSGSIZE, 242 [EPROTOTYPE] = TARGET_EPROTOTYPE, 243 [ENOPROTOOPT] = TARGET_ENOPROTOOPT, 244 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, 245 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, 246 [EOPNOTSUPP] = TARGET_EOPNOTSUPP, 247 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, 248 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, 249 [EADDRINUSE] = TARGET_EADDRINUSE, 250 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, 251 [ENETDOWN] = TARGET_ENETDOWN, 252 [ENETUNREACH] = TARGET_ENETUNREACH, 253 [ENETRESET] = TARGET_ENETRESET, 254 [ECONNABORTED] = TARGET_ECONNABORTED, 255 [ECONNRESET] = TARGET_ECONNRESET, 256 [ENOBUFS] = TARGET_ENOBUFS, 257 [EISCONN] = TARGET_EISCONN, 258 [ENOTCONN] = TARGET_ENOTCONN, 259 [EUCLEAN] = TARGET_EUCLEAN, 260 [ENOTNAM] = TARGET_ENOTNAM, 261 [ENAVAIL] = TARGET_ENAVAIL, 262 [EISNAM] = TARGET_EISNAM, 263 [EREMOTEIO] = TARGET_EREMOTEIO, 264 [ESHUTDOWN] = TARGET_ESHUTDOWN, 265 [ETOOMANYREFS] = TARGET_ETOOMANYREFS, 266 [ETIMEDOUT] = TARGET_ETIMEDOUT, 267 [ECONNREFUSED] = TARGET_ECONNREFUSED, 268 [EHOSTDOWN] = TARGET_EHOSTDOWN, 269 [EHOSTUNREACH] = TARGET_EHOSTUNREACH, 270 [EALREADY] = TARGET_EALREADY, 271 [EINPROGRESS] = TARGET_EINPROGRESS, 272 [ESTALE] = TARGET_ESTALE, 273 [ECANCELED] = TARGET_ECANCELED, 274 [ENOMEDIUM] = TARGET_ENOMEDIUM, 275 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, 276 [ENOKEY] = TARGET_ENOKEY, 277 [EKEYEXPIRED] = TARGET_EKEYEXPIRED, 278 [EKEYREVOKED] = TARGET_EKEYREVOKED, 279 [EKEYREJECTED] = TARGET_EKEYREJECTED, 280 [EOWNERDEAD] = TARGET_EOWNERDEAD, 281 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, 282 }; 283 284 static inline int host_to_target_errno(int err) 285 { 286 if(host_to_target_errno_table[err]) 287 return host_to_target_errno_table[err]; 288 return err; 289 } 290 291 static inline long get_errno(long ret) 292 { 293 if (ret == -1) 294 return -host_to_target_errno(errno); 295 else 296 return ret; 297 } 298 299 static inline int is_error(long ret) 300 { 301 return (unsigned long)ret >= (unsigned long)(-4096); 302 } 303 304 static target_ulong target_brk; 305 static target_ulong target_original_brk; 306 307 void target_set_brk(target_ulong new_brk) 308 { 309 target_original_brk = target_brk = new_brk; 310 } 311 312 long do_brk(target_ulong new_brk) 313 { 314 target_ulong brk_page; 315 long mapped_addr; 316 int new_alloc_size; 317 318 if (!new_brk) 319 return target_brk; 320 if (new_brk < target_original_brk) 321 return -ENOMEM; 322 323 brk_page = HOST_PAGE_ALIGN(target_brk); 324 325 /* If the new brk is less than this, set it and we're done... */ 326 if (new_brk < brk_page) { 327 target_brk = new_brk; 328 return target_brk; 329 } 330 331 /* We need to allocate more memory after the brk... */ 332 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1); 333 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, 334 PROT_READ|PROT_WRITE, 335 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); 336 if (is_error(mapped_addr)) { 337 return mapped_addr; 338 } else { 339 target_brk = new_brk; 340 return target_brk; 341 } 342 } 343 344 static inline fd_set *target_to_host_fds(fd_set *fds, 345 target_long *target_fds, int n) 346 { 347 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 348 return (fd_set *)target_fds; 349 #else 350 int i, b; 351 if (target_fds) { 352 FD_ZERO(fds); 353 for(i = 0;i < n; i++) { 354 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> 355 (i & (TARGET_LONG_BITS - 1))) & 1; 356 if (b) 357 FD_SET(i, fds); 358 } 359 return fds; 360 } else { 361 return NULL; 362 } 363 #endif 364 } 365 366 static inline void host_to_target_fds(target_long *target_fds, 367 fd_set *fds, int n) 368 { 369 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 370 /* nothing to do */ 371 #else 372 int i, nw, j, k; 373 target_long v; 374 375 if (target_fds) { 376 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS; 377 k = 0; 378 for(i = 0;i < nw; i++) { 379 v = 0; 380 for(j = 0; j < TARGET_LONG_BITS; j++) { 381 v |= ((FD_ISSET(k, fds) != 0) << j); 382 k++; 383 } 384 target_fds[i] = tswapl(v); 385 } 386 } 387 #endif 388 } 389 390 #if defined(__alpha__) 391 #define HOST_HZ 1024 392 #else 393 #define HOST_HZ 100 394 #endif 395 396 static inline long host_to_target_clock_t(long ticks) 397 { 398 #if HOST_HZ == TARGET_HZ 399 return ticks; 400 #else 401 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; 402 #endif 403 } 404 405 static inline void host_to_target_rusage(target_ulong target_addr, 406 const struct rusage *rusage) 407 { 408 struct target_rusage *target_rusage; 409 410 lock_user_struct(target_rusage, target_addr, 0); 411 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); 412 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); 413 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); 414 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); 415 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); 416 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); 417 target_rusage->ru_idrss = tswapl(rusage->ru_idrss); 418 target_rusage->ru_isrss = tswapl(rusage->ru_isrss); 419 target_rusage->ru_minflt = tswapl(rusage->ru_minflt); 420 target_rusage->ru_majflt = tswapl(rusage->ru_majflt); 421 target_rusage->ru_nswap = tswapl(rusage->ru_nswap); 422 target_rusage->ru_inblock = tswapl(rusage->ru_inblock); 423 target_rusage->ru_oublock = tswapl(rusage->ru_oublock); 424 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); 425 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); 426 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); 427 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); 428 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); 429 unlock_user_struct(target_rusage, target_addr, 1); 430 } 431 432 static inline void target_to_host_timeval(struct timeval *tv, 433 target_ulong target_addr) 434 { 435 struct target_timeval *target_tv; 436 437 lock_user_struct(target_tv, target_addr, 1); 438 tv->tv_sec = tswapl(target_tv->tv_sec); 439 tv->tv_usec = tswapl(target_tv->tv_usec); 440 unlock_user_struct(target_tv, target_addr, 0); 441 } 442 443 static inline void host_to_target_timeval(target_ulong target_addr, 444 const struct timeval *tv) 445 { 446 struct target_timeval *target_tv; 447 448 lock_user_struct(target_tv, target_addr, 0); 449 target_tv->tv_sec = tswapl(tv->tv_sec); 450 target_tv->tv_usec = tswapl(tv->tv_usec); 451 unlock_user_struct(target_tv, target_addr, 1); 452 } 453 454 455 static long do_select(long n, 456 target_ulong rfd_p, target_ulong wfd_p, 457 target_ulong efd_p, target_ulong target_tv) 458 { 459 fd_set rfds, wfds, efds; 460 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; 461 target_long *target_rfds, *target_wfds, *target_efds; 462 struct timeval tv, *tv_ptr; 463 long ret; 464 int ok; 465 466 if (rfd_p) { 467 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1); 468 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); 469 } else { 470 target_rfds = NULL; 471 rfds_ptr = NULL; 472 } 473 if (wfd_p) { 474 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1); 475 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); 476 } else { 477 target_wfds = NULL; 478 wfds_ptr = NULL; 479 } 480 if (efd_p) { 481 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1); 482 efds_ptr = target_to_host_fds(&efds, target_efds, n); 483 } else { 484 target_efds = NULL; 485 efds_ptr = NULL; 486 } 487 488 if (target_tv) { 489 target_to_host_timeval(&tv, target_tv); 490 tv_ptr = &tv; 491 } else { 492 tv_ptr = NULL; 493 } 494 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); 495 ok = !is_error(ret); 496 497 if (ok) { 498 host_to_target_fds(target_rfds, rfds_ptr, n); 499 host_to_target_fds(target_wfds, wfds_ptr, n); 500 host_to_target_fds(target_efds, efds_ptr, n); 501 502 if (target_tv) { 503 host_to_target_timeval(target_tv, &tv); 504 } 505 } 506 if (target_rfds) 507 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0); 508 if (target_wfds) 509 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0); 510 if (target_efds) 511 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0); 512 513 return ret; 514 } 515 516 static inline void target_to_host_sockaddr(struct sockaddr *addr, 517 target_ulong target_addr, 518 socklen_t len) 519 { 520 struct target_sockaddr *target_saddr; 521 522 target_saddr = lock_user(target_addr, len, 1); 523 memcpy(addr, target_saddr, len); 524 addr->sa_family = tswap16(target_saddr->sa_family); 525 unlock_user(target_saddr, target_addr, 0); 526 } 527 528 static inline void host_to_target_sockaddr(target_ulong target_addr, 529 struct sockaddr *addr, 530 socklen_t len) 531 { 532 struct target_sockaddr *target_saddr; 533 534 target_saddr = lock_user(target_addr, len, 0); 535 memcpy(target_saddr, addr, len); 536 target_saddr->sa_family = tswap16(addr->sa_family); 537 unlock_user(target_saddr, target_addr, len); 538 } 539 540 /* ??? Should this also swap msgh->name? */ 541 static inline void target_to_host_cmsg(struct msghdr *msgh, 542 struct target_msghdr *target_msgh) 543 { 544 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 545 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 546 socklen_t space = 0; 547 548 while (cmsg && target_cmsg) { 549 void *data = CMSG_DATA(cmsg); 550 void *target_data = TARGET_CMSG_DATA(target_cmsg); 551 552 int len = tswapl(target_cmsg->cmsg_len) 553 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); 554 555 space += CMSG_SPACE(len); 556 if (space > msgh->msg_controllen) { 557 space -= CMSG_SPACE(len); 558 gemu_log("Host cmsg overflow\n"); 559 break; 560 } 561 562 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); 563 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); 564 cmsg->cmsg_len = CMSG_LEN(len); 565 566 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 567 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 568 memcpy(data, target_data, len); 569 } else { 570 int *fd = (int *)data; 571 int *target_fd = (int *)target_data; 572 int i, numfds = len / sizeof(int); 573 574 for (i = 0; i < numfds; i++) 575 fd[i] = tswap32(target_fd[i]); 576 } 577 578 cmsg = CMSG_NXTHDR(msgh, cmsg); 579 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 580 } 581 582 msgh->msg_controllen = space; 583 } 584 585 /* ??? Should this also swap msgh->name? */ 586 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh, 587 struct msghdr *msgh) 588 { 589 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 590 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 591 socklen_t space = 0; 592 593 while (cmsg && target_cmsg) { 594 void *data = CMSG_DATA(cmsg); 595 void *target_data = TARGET_CMSG_DATA(target_cmsg); 596 597 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); 598 599 space += TARGET_CMSG_SPACE(len); 600 if (space > tswapl(target_msgh->msg_controllen)) { 601 space -= TARGET_CMSG_SPACE(len); 602 gemu_log("Target cmsg overflow\n"); 603 break; 604 } 605 606 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); 607 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); 608 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); 609 610 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 611 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 612 memcpy(target_data, data, len); 613 } else { 614 int *fd = (int *)data; 615 int *target_fd = (int *)target_data; 616 int i, numfds = len / sizeof(int); 617 618 for (i = 0; i < numfds; i++) 619 target_fd[i] = tswap32(fd[i]); 620 } 621 622 cmsg = CMSG_NXTHDR(msgh, cmsg); 623 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 624 } 625 626 msgh->msg_controllen = tswapl(space); 627 } 628 629 static long do_setsockopt(int sockfd, int level, int optname, 630 target_ulong optval, socklen_t optlen) 631 { 632 int val, ret; 633 634 switch(level) { 635 case SOL_TCP: 636 /* TCP options all take an 'int' value. */ 637 if (optlen < sizeof(uint32_t)) 638 return -EINVAL; 639 640 val = tget32(optval); 641 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 642 break; 643 case SOL_IP: 644 switch(optname) { 645 case IP_TOS: 646 case IP_TTL: 647 case IP_HDRINCL: 648 case IP_ROUTER_ALERT: 649 case IP_RECVOPTS: 650 case IP_RETOPTS: 651 case IP_PKTINFO: 652 case IP_MTU_DISCOVER: 653 case IP_RECVERR: 654 case IP_RECVTOS: 655 #ifdef IP_FREEBIND 656 case IP_FREEBIND: 657 #endif 658 case IP_MULTICAST_TTL: 659 case IP_MULTICAST_LOOP: 660 val = 0; 661 if (optlen >= sizeof(uint32_t)) { 662 val = tget32(optval); 663 } else if (optlen >= 1) { 664 val = tget8(optval); 665 } 666 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 667 break; 668 default: 669 goto unimplemented; 670 } 671 break; 672 case TARGET_SOL_SOCKET: 673 switch (optname) { 674 /* Options with 'int' argument. */ 675 case TARGET_SO_DEBUG: 676 optname = SO_DEBUG; 677 break; 678 case TARGET_SO_REUSEADDR: 679 optname = SO_REUSEADDR; 680 break; 681 case TARGET_SO_TYPE: 682 optname = SO_TYPE; 683 break; 684 case TARGET_SO_ERROR: 685 optname = SO_ERROR; 686 break; 687 case TARGET_SO_DONTROUTE: 688 optname = SO_DONTROUTE; 689 break; 690 case TARGET_SO_BROADCAST: 691 optname = SO_BROADCAST; 692 break; 693 case TARGET_SO_SNDBUF: 694 optname = SO_SNDBUF; 695 break; 696 case TARGET_SO_RCVBUF: 697 optname = SO_RCVBUF; 698 break; 699 case TARGET_SO_KEEPALIVE: 700 optname = SO_KEEPALIVE; 701 break; 702 case TARGET_SO_OOBINLINE: 703 optname = SO_OOBINLINE; 704 break; 705 case TARGET_SO_NO_CHECK: 706 optname = SO_NO_CHECK; 707 break; 708 case TARGET_SO_PRIORITY: 709 optname = SO_PRIORITY; 710 break; 711 #ifdef SO_BSDCOMPAT 712 case TARGET_SO_BSDCOMPAT: 713 optname = SO_BSDCOMPAT; 714 break; 715 #endif 716 case TARGET_SO_PASSCRED: 717 optname = SO_PASSCRED; 718 break; 719 case TARGET_SO_TIMESTAMP: 720 optname = SO_TIMESTAMP; 721 break; 722 case TARGET_SO_RCVLOWAT: 723 optname = SO_RCVLOWAT; 724 break; 725 case TARGET_SO_RCVTIMEO: 726 optname = SO_RCVTIMEO; 727 break; 728 case TARGET_SO_SNDTIMEO: 729 optname = SO_SNDTIMEO; 730 break; 731 break; 732 default: 733 goto unimplemented; 734 } 735 if (optlen < sizeof(uint32_t)) 736 return -EINVAL; 737 738 val = tget32(optval); 739 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); 740 break; 741 default: 742 unimplemented: 743 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); 744 ret = -ENOSYS; 745 } 746 return ret; 747 } 748 749 static long do_getsockopt(int sockfd, int level, int optname, 750 target_ulong optval, target_ulong optlen) 751 { 752 int len, lv, val, ret; 753 754 switch(level) { 755 case TARGET_SOL_SOCKET: 756 level = SOL_SOCKET; 757 switch (optname) { 758 case TARGET_SO_LINGER: 759 case TARGET_SO_RCVTIMEO: 760 case TARGET_SO_SNDTIMEO: 761 case TARGET_SO_PEERCRED: 762 case TARGET_SO_PEERNAME: 763 /* These don't just return a single integer */ 764 goto unimplemented; 765 default: 766 goto int_case; 767 } 768 break; 769 case SOL_TCP: 770 /* TCP options all take an 'int' value. */ 771 int_case: 772 len = tget32(optlen); 773 if (len < 0) 774 return -EINVAL; 775 lv = sizeof(int); 776 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 777 if (ret < 0) 778 return ret; 779 val = tswap32(val); 780 if (len > lv) 781 len = lv; 782 if (len == 4) 783 tput32(optval, val); 784 else 785 tput8(optval, val); 786 tput32(optlen, len); 787 break; 788 case SOL_IP: 789 switch(optname) { 790 case IP_TOS: 791 case IP_TTL: 792 case IP_HDRINCL: 793 case IP_ROUTER_ALERT: 794 case IP_RECVOPTS: 795 case IP_RETOPTS: 796 case IP_PKTINFO: 797 case IP_MTU_DISCOVER: 798 case IP_RECVERR: 799 case IP_RECVTOS: 800 #ifdef IP_FREEBIND 801 case IP_FREEBIND: 802 #endif 803 case IP_MULTICAST_TTL: 804 case IP_MULTICAST_LOOP: 805 len = tget32(optlen); 806 if (len < 0) 807 return -EINVAL; 808 lv = sizeof(int); 809 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 810 if (ret < 0) 811 return ret; 812 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { 813 len = 1; 814 tput32(optlen, len); 815 tput8(optval, val); 816 } else { 817 if (len > sizeof(int)) 818 len = sizeof(int); 819 tput32(optlen, len); 820 tput32(optval, val); 821 } 822 break; 823 default: 824 goto unimplemented; 825 } 826 break; 827 default: 828 unimplemented: 829 gemu_log("getsockopt level=%d optname=%d not yet supported\n", 830 level, optname); 831 ret = -ENOSYS; 832 break; 833 } 834 return ret; 835 } 836 837 static void lock_iovec(struct iovec *vec, target_ulong target_addr, 838 int count, int copy) 839 { 840 struct target_iovec *target_vec; 841 target_ulong base; 842 int i; 843 844 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1); 845 for(i = 0;i < count; i++) { 846 base = tswapl(target_vec[i].iov_base); 847 vec[i].iov_len = tswapl(target_vec[i].iov_len); 848 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy); 849 } 850 unlock_user (target_vec, target_addr, 0); 851 } 852 853 static void unlock_iovec(struct iovec *vec, target_ulong target_addr, 854 int count, int copy) 855 { 856 struct target_iovec *target_vec; 857 target_ulong base; 858 int i; 859 860 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1); 861 for(i = 0;i < count; i++) { 862 base = tswapl(target_vec[i].iov_base); 863 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); 864 } 865 unlock_user (target_vec, target_addr, 0); 866 } 867 868 static long do_socket(int domain, int type, int protocol) 869 { 870 #if defined(TARGET_MIPS) 871 switch(type) { 872 case TARGET_SOCK_DGRAM: 873 type = SOCK_DGRAM; 874 break; 875 case TARGET_SOCK_STREAM: 876 type = SOCK_STREAM; 877 break; 878 case TARGET_SOCK_RAW: 879 type = SOCK_RAW; 880 break; 881 case TARGET_SOCK_RDM: 882 type = SOCK_RDM; 883 break; 884 case TARGET_SOCK_SEQPACKET: 885 type = SOCK_SEQPACKET; 886 break; 887 case TARGET_SOCK_PACKET: 888 type = SOCK_PACKET; 889 break; 890 } 891 #endif 892 return get_errno(socket(domain, type, protocol)); 893 } 894 895 static long do_bind(int sockfd, target_ulong target_addr, 896 socklen_t addrlen) 897 { 898 void *addr = alloca(addrlen); 899 900 target_to_host_sockaddr(addr, target_addr, addrlen); 901 return get_errno(bind(sockfd, addr, addrlen)); 902 } 903 904 static long do_connect(int sockfd, target_ulong target_addr, 905 socklen_t addrlen) 906 { 907 void *addr = alloca(addrlen); 908 909 target_to_host_sockaddr(addr, target_addr, addrlen); 910 return get_errno(connect(sockfd, addr, addrlen)); 911 } 912 913 static long do_sendrecvmsg(int fd, target_ulong target_msg, 914 int flags, int send) 915 { 916 long ret; 917 struct target_msghdr *msgp; 918 struct msghdr msg; 919 int count; 920 struct iovec *vec; 921 target_ulong target_vec; 922 923 lock_user_struct(msgp, target_msg, 1); 924 if (msgp->msg_name) { 925 msg.msg_namelen = tswap32(msgp->msg_namelen); 926 msg.msg_name = alloca(msg.msg_namelen); 927 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name), 928 msg.msg_namelen); 929 } else { 930 msg.msg_name = NULL; 931 msg.msg_namelen = 0; 932 } 933 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); 934 msg.msg_control = alloca(msg.msg_controllen); 935 msg.msg_flags = tswap32(msgp->msg_flags); 936 937 count = tswapl(msgp->msg_iovlen); 938 vec = alloca(count * sizeof(struct iovec)); 939 target_vec = tswapl(msgp->msg_iov); 940 lock_iovec(vec, target_vec, count, send); 941 msg.msg_iovlen = count; 942 msg.msg_iov = vec; 943 944 if (send) { 945 target_to_host_cmsg(&msg, msgp); 946 ret = get_errno(sendmsg(fd, &msg, flags)); 947 } else { 948 ret = get_errno(recvmsg(fd, &msg, flags)); 949 if (!is_error(ret)) 950 host_to_target_cmsg(msgp, &msg); 951 } 952 unlock_iovec(vec, target_vec, count, !send); 953 return ret; 954 } 955 956 static long do_accept(int fd, target_ulong target_addr, 957 target_ulong target_addrlen) 958 { 959 socklen_t addrlen = tget32(target_addrlen); 960 void *addr = alloca(addrlen); 961 long ret; 962 963 ret = get_errno(accept(fd, addr, &addrlen)); 964 if (!is_error(ret)) { 965 host_to_target_sockaddr(target_addr, addr, addrlen); 966 tput32(target_addrlen, addrlen); 967 } 968 return ret; 969 } 970 971 static long do_getpeername(int fd, target_ulong target_addr, 972 target_ulong target_addrlen) 973 { 974 socklen_t addrlen = tget32(target_addrlen); 975 void *addr = alloca(addrlen); 976 long ret; 977 978 ret = get_errno(getpeername(fd, addr, &addrlen)); 979 if (!is_error(ret)) { 980 host_to_target_sockaddr(target_addr, addr, addrlen); 981 tput32(target_addrlen, addrlen); 982 } 983 return ret; 984 } 985 986 static long do_getsockname(int fd, target_ulong target_addr, 987 target_ulong target_addrlen) 988 { 989 socklen_t addrlen = tget32(target_addrlen); 990 void *addr = alloca(addrlen); 991 long ret; 992 993 ret = get_errno(getsockname(fd, addr, &addrlen)); 994 if (!is_error(ret)) { 995 host_to_target_sockaddr(target_addr, addr, addrlen); 996 tput32(target_addrlen, addrlen); 997 } 998 return ret; 999 } 1000 1001 static long do_socketpair(int domain, int type, int protocol, 1002 target_ulong target_tab) 1003 { 1004 int tab[2]; 1005 long ret; 1006 1007 ret = get_errno(socketpair(domain, type, protocol, tab)); 1008 if (!is_error(ret)) { 1009 tput32(target_tab, tab[0]); 1010 tput32(target_tab + 4, tab[1]); 1011 } 1012 return ret; 1013 } 1014 1015 static long do_sendto(int fd, target_ulong msg, size_t len, int flags, 1016 target_ulong target_addr, socklen_t addrlen) 1017 { 1018 void *addr; 1019 void *host_msg; 1020 long ret; 1021 1022 host_msg = lock_user(msg, len, 1); 1023 if (target_addr) { 1024 addr = alloca(addrlen); 1025 target_to_host_sockaddr(addr, target_addr, addrlen); 1026 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); 1027 } else { 1028 ret = get_errno(send(fd, host_msg, len, flags)); 1029 } 1030 unlock_user(host_msg, msg, 0); 1031 return ret; 1032 } 1033 1034 static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags, 1035 target_ulong target_addr, target_ulong target_addrlen) 1036 { 1037 socklen_t addrlen; 1038 void *addr; 1039 void *host_msg; 1040 long ret; 1041 1042 host_msg = lock_user(msg, len, 0); 1043 if (target_addr) { 1044 addrlen = tget32(target_addrlen); 1045 addr = alloca(addrlen); 1046 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); 1047 } else { 1048 addr = NULL; /* To keep compiler quiet. */ 1049 ret = get_errno(recv(fd, host_msg, len, flags)); 1050 } 1051 if (!is_error(ret)) { 1052 if (target_addr) { 1053 host_to_target_sockaddr(target_addr, addr, addrlen); 1054 tput32(target_addrlen, addrlen); 1055 } 1056 unlock_user(host_msg, msg, len); 1057 } else { 1058 unlock_user(host_msg, msg, 0); 1059 } 1060 return ret; 1061 } 1062 1063 static long do_socketcall(int num, target_ulong vptr) 1064 { 1065 long ret; 1066 const int n = sizeof(target_ulong); 1067 1068 switch(num) { 1069 case SOCKOP_socket: 1070 { 1071 int domain = tgetl(vptr); 1072 int type = tgetl(vptr + n); 1073 int protocol = tgetl(vptr + 2 * n); 1074 ret = do_socket(domain, type, protocol); 1075 } 1076 break; 1077 case SOCKOP_bind: 1078 { 1079 int sockfd = tgetl(vptr); 1080 target_ulong target_addr = tgetl(vptr + n); 1081 socklen_t addrlen = tgetl(vptr + 2 * n); 1082 ret = do_bind(sockfd, target_addr, addrlen); 1083 } 1084 break; 1085 case SOCKOP_connect: 1086 { 1087 int sockfd = tgetl(vptr); 1088 target_ulong target_addr = tgetl(vptr + n); 1089 socklen_t addrlen = tgetl(vptr + 2 * n); 1090 ret = do_connect(sockfd, target_addr, addrlen); 1091 } 1092 break; 1093 case SOCKOP_listen: 1094 { 1095 int sockfd = tgetl(vptr); 1096 int backlog = tgetl(vptr + n); 1097 ret = get_errno(listen(sockfd, backlog)); 1098 } 1099 break; 1100 case SOCKOP_accept: 1101 { 1102 int sockfd = tgetl(vptr); 1103 target_ulong target_addr = tgetl(vptr + n); 1104 target_ulong target_addrlen = tgetl(vptr + 2 * n); 1105 ret = do_accept(sockfd, target_addr, target_addrlen); 1106 } 1107 break; 1108 case SOCKOP_getsockname: 1109 { 1110 int sockfd = tgetl(vptr); 1111 target_ulong target_addr = tgetl(vptr + n); 1112 target_ulong target_addrlen = tgetl(vptr + 2 * n); 1113 ret = do_getsockname(sockfd, target_addr, target_addrlen); 1114 } 1115 break; 1116 case SOCKOP_getpeername: 1117 { 1118 int sockfd = tgetl(vptr); 1119 target_ulong target_addr = tgetl(vptr + n); 1120 target_ulong target_addrlen = tgetl(vptr + 2 * n); 1121 ret = do_getpeername(sockfd, target_addr, target_addrlen); 1122 } 1123 break; 1124 case SOCKOP_socketpair: 1125 { 1126 int domain = tgetl(vptr); 1127 int type = tgetl(vptr + n); 1128 int protocol = tgetl(vptr + 2 * n); 1129 target_ulong tab = tgetl(vptr + 3 * n); 1130 ret = do_socketpair(domain, type, protocol, tab); 1131 } 1132 break; 1133 case SOCKOP_send: 1134 { 1135 int sockfd = tgetl(vptr); 1136 target_ulong msg = tgetl(vptr + n); 1137 size_t len = tgetl(vptr + 2 * n); 1138 int flags = tgetl(vptr + 3 * n); 1139 ret = do_sendto(sockfd, msg, len, flags, 0, 0); 1140 } 1141 break; 1142 case SOCKOP_recv: 1143 { 1144 int sockfd = tgetl(vptr); 1145 target_ulong msg = tgetl(vptr + n); 1146 size_t len = tgetl(vptr + 2 * n); 1147 int flags = tgetl(vptr + 3 * n); 1148 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); 1149 } 1150 break; 1151 case SOCKOP_sendto: 1152 { 1153 int sockfd = tgetl(vptr); 1154 target_ulong msg = tgetl(vptr + n); 1155 size_t len = tgetl(vptr + 2 * n); 1156 int flags = tgetl(vptr + 3 * n); 1157 target_ulong addr = tgetl(vptr + 4 * n); 1158 socklen_t addrlen = tgetl(vptr + 5 * n); 1159 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); 1160 } 1161 break; 1162 case SOCKOP_recvfrom: 1163 { 1164 int sockfd = tgetl(vptr); 1165 target_ulong msg = tgetl(vptr + n); 1166 size_t len = tgetl(vptr + 2 * n); 1167 int flags = tgetl(vptr + 3 * n); 1168 target_ulong addr = tgetl(vptr + 4 * n); 1169 target_ulong addrlen = tgetl(vptr + 5 * n); 1170 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); 1171 } 1172 break; 1173 case SOCKOP_shutdown: 1174 { 1175 int sockfd = tgetl(vptr); 1176 int how = tgetl(vptr + n); 1177 1178 ret = get_errno(shutdown(sockfd, how)); 1179 } 1180 break; 1181 case SOCKOP_sendmsg: 1182 case SOCKOP_recvmsg: 1183 { 1184 int fd; 1185 target_ulong target_msg; 1186 int flags; 1187 1188 fd = tgetl(vptr); 1189 target_msg = tgetl(vptr + n); 1190 flags = tgetl(vptr + 2 * n); 1191 1192 ret = do_sendrecvmsg(fd, target_msg, flags, 1193 (num == SOCKOP_sendmsg)); 1194 } 1195 break; 1196 case SOCKOP_setsockopt: 1197 { 1198 int sockfd = tgetl(vptr); 1199 int level = tgetl(vptr + n); 1200 int optname = tgetl(vptr + 2 * n); 1201 target_ulong optval = tgetl(vptr + 3 * n); 1202 socklen_t optlen = tgetl(vptr + 4 * n); 1203 1204 ret = do_setsockopt(sockfd, level, optname, optval, optlen); 1205 } 1206 break; 1207 case SOCKOP_getsockopt: 1208 { 1209 int sockfd = tgetl(vptr); 1210 int level = tgetl(vptr + n); 1211 int optname = tgetl(vptr + 2 * n); 1212 target_ulong optval = tgetl(vptr + 3 * n); 1213 target_ulong poptlen = tgetl(vptr + 4 * n); 1214 1215 ret = do_getsockopt(sockfd, level, optname, optval, poptlen); 1216 } 1217 break; 1218 default: 1219 gemu_log("Unsupported socketcall: %d\n", num); 1220 ret = -ENOSYS; 1221 break; 1222 } 1223 return ret; 1224 } 1225 1226 #define N_SHM_REGIONS 32 1227 1228 static struct shm_region { 1229 uint32_t start; 1230 uint32_t size; 1231 } shm_regions[N_SHM_REGIONS]; 1232 1233 union semun { 1234 int val; 1235 struct senid_ds *buf; 1236 unsigned short *array; 1237 }; 1238 1239 /* ??? This only works with linear mappings. */ 1240 static long do_ipc(long call, long first, long second, long third, 1241 long ptr, long fifth) 1242 { 1243 int version; 1244 long ret = 0; 1245 unsigned long raddr; 1246 struct shmid_ds shm_info; 1247 int i; 1248 1249 version = call >> 16; 1250 call &= 0xffff; 1251 1252 switch (call) { 1253 case IPCOP_semop: 1254 ret = get_errno(semop(first,(struct sembuf *) ptr, second)); 1255 break; 1256 1257 case IPCOP_semget: 1258 ret = get_errno(semget(first, second, third)); 1259 break; 1260 1261 case IPCOP_semctl: 1262 ret = get_errno(semctl(first, second, third, ((union semun*)ptr)->val)); 1263 1264 break; 1265 1266 case IPCOP_semtimedop: 1267 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version); 1268 ret = -ENOSYS; 1269 break; 1270 1271 case IPCOP_msgget: 1272 ret = get_errno(msgget(first, second)); 1273 break; 1274 1275 case IPCOP_msgsnd: 1276 ret = get_errno(msgsnd(first, (struct msgbuf *) ptr, second, third)); 1277 break; 1278 1279 case IPCOP_msgctl: 1280 ret = get_errno(msgctl(first, second, (struct msqid_ds *) ptr)); 1281 break; 1282 1283 case IPCOP_msgrcv: 1284 { 1285 struct ipc_kludge 1286 { 1287 void *__unbounded msgp; 1288 long int msgtyp; 1289 }; 1290 1291 struct ipc_kludge *foo = (struct ipc_kludge *) ptr; 1292 struct msgbuf *msgp = (struct msgbuf *) foo->msgp; 1293 1294 ret = get_errno(msgrcv(first, msgp, second, 0, third)); 1295 1296 } 1297 break; 1298 1299 case IPCOP_shmat: 1300 /* SHM_* flags are the same on all linux platforms */ 1301 ret = get_errno((long) shmat(first, (void *) ptr, second)); 1302 if (is_error(ret)) 1303 break; 1304 raddr = ret; 1305 /* find out the length of the shared memory segment */ 1306 1307 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 1308 if (is_error(ret)) { 1309 /* can't get length, bail out */ 1310 shmdt((void *) raddr); 1311 break; 1312 } 1313 page_set_flags(raddr, raddr + shm_info.shm_segsz, 1314 PAGE_VALID | PAGE_READ | 1315 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 1316 for (i = 0; i < N_SHM_REGIONS; ++i) { 1317 if (shm_regions[i].start == 0) { 1318 shm_regions[i].start = raddr; 1319 shm_regions[i].size = shm_info.shm_segsz; 1320 break; 1321 } 1322 } 1323 if (put_user(raddr, (uint32_t *)third)) 1324 return -EFAULT; 1325 ret = 0; 1326 break; 1327 case IPCOP_shmdt: 1328 for (i = 0; i < N_SHM_REGIONS; ++i) { 1329 if (shm_regions[i].start == ptr) { 1330 shm_regions[i].start = 0; 1331 page_set_flags(ptr, shm_regions[i].size, 0); 1332 break; 1333 } 1334 } 1335 ret = get_errno(shmdt((void *) ptr)); 1336 break; 1337 1338 case IPCOP_shmget: 1339 /* IPC_* flag values are the same on all linux platforms */ 1340 ret = get_errno(shmget(first, second, third)); 1341 break; 1342 1343 /* IPC_* and SHM_* command values are the same on all linux platforms */ 1344 case IPCOP_shmctl: 1345 switch(second) { 1346 case IPC_RMID: 1347 case SHM_LOCK: 1348 case SHM_UNLOCK: 1349 ret = get_errno(shmctl(first, second, NULL)); 1350 break; 1351 default: 1352 goto unimplemented; 1353 } 1354 break; 1355 default: 1356 unimplemented: 1357 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version); 1358 ret = -ENOSYS; 1359 break; 1360 } 1361 return ret; 1362 } 1363 1364 /* kernel structure types definitions */ 1365 #define IFNAMSIZ 16 1366 1367 #define STRUCT(name, list...) STRUCT_ ## name, 1368 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 1369 enum { 1370 #include "syscall_types.h" 1371 }; 1372 #undef STRUCT 1373 #undef STRUCT_SPECIAL 1374 1375 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 1376 #define STRUCT_SPECIAL(name) 1377 #include "syscall_types.h" 1378 #undef STRUCT 1379 #undef STRUCT_SPECIAL 1380 1381 typedef struct IOCTLEntry { 1382 unsigned int target_cmd; 1383 unsigned int host_cmd; 1384 const char *name; 1385 int access; 1386 const argtype arg_type[5]; 1387 } IOCTLEntry; 1388 1389 #define IOC_R 0x0001 1390 #define IOC_W 0x0002 1391 #define IOC_RW (IOC_R | IOC_W) 1392 1393 #define MAX_STRUCT_SIZE 4096 1394 1395 IOCTLEntry ioctl_entries[] = { 1396 #define IOCTL(cmd, access, types...) \ 1397 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 1398 #include "ioctls.h" 1399 { 0, 0, }, 1400 }; 1401 1402 /* ??? Implement proper locking for ioctls. */ 1403 static long do_ioctl(long fd, long cmd, long arg) 1404 { 1405 const IOCTLEntry *ie; 1406 const argtype *arg_type; 1407 long ret; 1408 uint8_t buf_temp[MAX_STRUCT_SIZE]; 1409 int target_size; 1410 void *argptr; 1411 1412 ie = ioctl_entries; 1413 for(;;) { 1414 if (ie->target_cmd == 0) { 1415 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); 1416 return -ENOSYS; 1417 } 1418 if (ie->target_cmd == cmd) 1419 break; 1420 ie++; 1421 } 1422 arg_type = ie->arg_type; 1423 #if defined(DEBUG) 1424 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); 1425 #endif 1426 switch(arg_type[0]) { 1427 case TYPE_NULL: 1428 /* no argument */ 1429 ret = get_errno(ioctl(fd, ie->host_cmd)); 1430 break; 1431 case TYPE_PTRVOID: 1432 case TYPE_INT: 1433 /* int argment */ 1434 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 1435 break; 1436 case TYPE_PTR: 1437 arg_type++; 1438 target_size = thunk_type_size(arg_type, 0); 1439 switch(ie->access) { 1440 case IOC_R: 1441 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1442 if (!is_error(ret)) { 1443 argptr = lock_user(arg, target_size, 0); 1444 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 1445 unlock_user(argptr, arg, target_size); 1446 } 1447 break; 1448 case IOC_W: 1449 argptr = lock_user(arg, target_size, 1); 1450 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 1451 unlock_user(argptr, arg, 0); 1452 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1453 break; 1454 default: 1455 case IOC_RW: 1456 argptr = lock_user(arg, target_size, 1); 1457 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 1458 unlock_user(argptr, arg, 0); 1459 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1460 if (!is_error(ret)) { 1461 argptr = lock_user(arg, target_size, 0); 1462 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 1463 unlock_user(argptr, arg, target_size); 1464 } 1465 break; 1466 } 1467 break; 1468 default: 1469 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); 1470 ret = -ENOSYS; 1471 break; 1472 } 1473 return ret; 1474 } 1475 1476 bitmask_transtbl iflag_tbl[] = { 1477 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 1478 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 1479 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 1480 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 1481 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 1482 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 1483 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 1484 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 1485 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 1486 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 1487 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 1488 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 1489 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 1490 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 1491 { 0, 0, 0, 0 } 1492 }; 1493 1494 bitmask_transtbl oflag_tbl[] = { 1495 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 1496 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 1497 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 1498 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 1499 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 1500 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 1501 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 1502 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 1503 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 1504 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 1505 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 1506 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 1507 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 1508 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 1509 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 1510 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 1511 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 1512 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 1513 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 1514 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 1515 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 1516 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 1517 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 1518 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 1519 { 0, 0, 0, 0 } 1520 }; 1521 1522 bitmask_transtbl cflag_tbl[] = { 1523 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 1524 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 1525 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 1526 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 1527 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 1528 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 1529 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 1530 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 1531 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 1532 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 1533 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 1534 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 1535 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 1536 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 1537 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 1538 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 1539 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 1540 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 1541 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 1542 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 1543 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 1544 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 1545 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 1546 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 1547 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 1548 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 1549 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 1550 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 1551 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 1552 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 1553 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 1554 { 0, 0, 0, 0 } 1555 }; 1556 1557 bitmask_transtbl lflag_tbl[] = { 1558 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 1559 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 1560 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 1561 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 1562 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 1563 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 1564 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 1565 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 1566 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 1567 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 1568 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 1569 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 1570 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 1571 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 1572 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 1573 { 0, 0, 0, 0 } 1574 }; 1575 1576 static void target_to_host_termios (void *dst, const void *src) 1577 { 1578 struct host_termios *host = dst; 1579 const struct target_termios *target = src; 1580 1581 host->c_iflag = 1582 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 1583 host->c_oflag = 1584 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 1585 host->c_cflag = 1586 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 1587 host->c_lflag = 1588 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 1589 host->c_line = target->c_line; 1590 1591 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 1592 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 1593 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 1594 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 1595 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 1596 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 1597 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 1598 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 1599 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 1600 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 1601 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 1602 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 1603 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 1604 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 1605 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 1606 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 1607 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 1608 } 1609 1610 static void host_to_target_termios (void *dst, const void *src) 1611 { 1612 struct target_termios *target = dst; 1613 const struct host_termios *host = src; 1614 1615 target->c_iflag = 1616 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 1617 target->c_oflag = 1618 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 1619 target->c_cflag = 1620 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 1621 target->c_lflag = 1622 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 1623 target->c_line = host->c_line; 1624 1625 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 1626 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 1627 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 1628 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 1629 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 1630 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 1631 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 1632 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 1633 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 1634 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 1635 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 1636 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 1637 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 1638 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 1639 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 1640 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 1641 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 1642 } 1643 1644 StructEntry struct_termios_def = { 1645 .convert = { host_to_target_termios, target_to_host_termios }, 1646 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 1647 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 1648 }; 1649 1650 static bitmask_transtbl mmap_flags_tbl[] = { 1651 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 1652 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 1653 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 1654 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 1655 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 1656 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 1657 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 1658 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 1659 { 0, 0, 0, 0 } 1660 }; 1661 1662 static bitmask_transtbl fcntl_flags_tbl[] = { 1663 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 1664 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 1665 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 1666 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 1667 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 1668 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 1669 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 1670 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 1671 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 1672 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 1673 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 1674 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 1675 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 1676 #if defined(O_DIRECT) 1677 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 1678 #endif 1679 { 0, 0, 0, 0 } 1680 }; 1681 1682 #if defined(TARGET_I386) 1683 1684 /* NOTE: there is really one LDT for all the threads */ 1685 uint8_t *ldt_table; 1686 1687 static int read_ldt(target_ulong ptr, unsigned long bytecount) 1688 { 1689 int size; 1690 void *p; 1691 1692 if (!ldt_table) 1693 return 0; 1694 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 1695 if (size > bytecount) 1696 size = bytecount; 1697 p = lock_user(ptr, size, 0); 1698 /* ??? Shoudl this by byteswapped? */ 1699 memcpy(p, ldt_table, size); 1700 unlock_user(p, ptr, size); 1701 return size; 1702 } 1703 1704 /* XXX: add locking support */ 1705 static int write_ldt(CPUX86State *env, 1706 target_ulong ptr, unsigned long bytecount, int oldmode) 1707 { 1708 struct target_modify_ldt_ldt_s ldt_info; 1709 struct target_modify_ldt_ldt_s *target_ldt_info; 1710 int seg_32bit, contents, read_exec_only, limit_in_pages; 1711 int seg_not_present, useable; 1712 uint32_t *lp, entry_1, entry_2; 1713 1714 if (bytecount != sizeof(ldt_info)) 1715 return -EINVAL; 1716 lock_user_struct(target_ldt_info, ptr, 1); 1717 ldt_info.entry_number = tswap32(target_ldt_info->entry_number); 1718 ldt_info.base_addr = tswapl(target_ldt_info->base_addr); 1719 ldt_info.limit = tswap32(target_ldt_info->limit); 1720 ldt_info.flags = tswap32(target_ldt_info->flags); 1721 unlock_user_struct(target_ldt_info, ptr, 0); 1722 1723 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 1724 return -EINVAL; 1725 seg_32bit = ldt_info.flags & 1; 1726 contents = (ldt_info.flags >> 1) & 3; 1727 read_exec_only = (ldt_info.flags >> 3) & 1; 1728 limit_in_pages = (ldt_info.flags >> 4) & 1; 1729 seg_not_present = (ldt_info.flags >> 5) & 1; 1730 useable = (ldt_info.flags >> 6) & 1; 1731 1732 if (contents == 3) { 1733 if (oldmode) 1734 return -EINVAL; 1735 if (seg_not_present == 0) 1736 return -EINVAL; 1737 } 1738 /* allocate the LDT */ 1739 if (!ldt_table) { 1740 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1741 if (!ldt_table) 1742 return -ENOMEM; 1743 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1744 env->ldt.base = h2g(ldt_table); 1745 env->ldt.limit = 0xffff; 1746 } 1747 1748 /* NOTE: same code as Linux kernel */ 1749 /* Allow LDTs to be cleared by the user. */ 1750 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 1751 if (oldmode || 1752 (contents == 0 && 1753 read_exec_only == 1 && 1754 seg_32bit == 0 && 1755 limit_in_pages == 0 && 1756 seg_not_present == 1 && 1757 useable == 0 )) { 1758 entry_1 = 0; 1759 entry_2 = 0; 1760 goto install; 1761 } 1762 } 1763 1764 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 1765 (ldt_info.limit & 0x0ffff); 1766 entry_2 = (ldt_info.base_addr & 0xff000000) | 1767 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 1768 (ldt_info.limit & 0xf0000) | 1769 ((read_exec_only ^ 1) << 9) | 1770 (contents << 10) | 1771 ((seg_not_present ^ 1) << 15) | 1772 (seg_32bit << 22) | 1773 (limit_in_pages << 23) | 1774 0x7000; 1775 if (!oldmode) 1776 entry_2 |= (useable << 20); 1777 1778 /* Install the new entry ... */ 1779 install: 1780 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 1781 lp[0] = tswap32(entry_1); 1782 lp[1] = tswap32(entry_2); 1783 return 0; 1784 } 1785 1786 /* specific and weird i386 syscalls */ 1787 int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount) 1788 { 1789 int ret = -ENOSYS; 1790 1791 switch (func) { 1792 case 0: 1793 ret = read_ldt(ptr, bytecount); 1794 break; 1795 case 1: 1796 ret = write_ldt(env, ptr, bytecount, 1); 1797 break; 1798 case 0x11: 1799 ret = write_ldt(env, ptr, bytecount, 0); 1800 break; 1801 } 1802 return ret; 1803 } 1804 1805 #endif /* defined(TARGET_I386) */ 1806 1807 /* this stack is the equivalent of the kernel stack associated with a 1808 thread/process */ 1809 #define NEW_STACK_SIZE 8192 1810 1811 static int clone_func(void *arg) 1812 { 1813 CPUState *env = arg; 1814 cpu_loop(env); 1815 /* never exits */ 1816 return 0; 1817 } 1818 1819 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp) 1820 { 1821 int ret; 1822 TaskState *ts; 1823 uint8_t *new_stack; 1824 CPUState *new_env; 1825 1826 if (flags & CLONE_VM) { 1827 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 1828 memset(ts, 0, sizeof(TaskState)); 1829 new_stack = ts->stack; 1830 ts->used = 1; 1831 /* add in task state list */ 1832 ts->next = first_task_state; 1833 first_task_state = ts; 1834 /* we create a new CPU instance. */ 1835 new_env = cpu_copy(env); 1836 #if defined(TARGET_I386) 1837 if (!newsp) 1838 newsp = env->regs[R_ESP]; 1839 new_env->regs[R_ESP] = newsp; 1840 new_env->regs[R_EAX] = 0; 1841 #elif defined(TARGET_ARM) 1842 if (!newsp) 1843 newsp = env->regs[13]; 1844 new_env->regs[13] = newsp; 1845 new_env->regs[0] = 0; 1846 #elif defined(TARGET_SPARC) 1847 if (!newsp) 1848 newsp = env->regwptr[22]; 1849 new_env->regwptr[22] = newsp; 1850 new_env->regwptr[0] = 0; 1851 /* XXXXX */ 1852 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 1853 #elif defined(TARGET_M68K) 1854 if (!newsp) 1855 newsp = env->aregs[7]; 1856 new_env->aregs[7] = newsp; 1857 new_env->dregs[0] = 0; 1858 /* ??? is this sufficient? */ 1859 #elif defined(TARGET_MIPS) 1860 if (!newsp) 1861 newsp = env->gpr[29]; 1862 new_env->gpr[29] = newsp; 1863 #elif defined(TARGET_PPC) 1864 if (!newsp) 1865 newsp = env->gpr[1]; 1866 new_env->gpr[1] = newsp; 1867 { 1868 int i; 1869 for (i = 7; i < 32; i++) 1870 new_env->gpr[i] = 0; 1871 } 1872 #elif defined(TARGET_SH4) 1873 if (!newsp) 1874 newsp = env->gregs[15]; 1875 new_env->gregs[15] = newsp; 1876 /* XXXXX */ 1877 #elif defined(TARGET_ALPHA) 1878 if (!newsp) 1879 newsp = env->ir[30]; 1880 new_env->ir[30] = newsp; 1881 /* ? */ 1882 { 1883 int i; 1884 for (i = 7; i < 30; i++) 1885 new_env->ir[i] = 0; 1886 } 1887 #else 1888 #error unsupported target CPU 1889 #endif 1890 new_env->opaque = ts; 1891 #ifdef __ia64__ 1892 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1893 #else 1894 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1895 #endif 1896 } else { 1897 /* if no CLONE_VM, we consider it is a fork */ 1898 if ((flags & ~CSIGNAL) != 0) 1899 return -EINVAL; 1900 ret = fork(); 1901 } 1902 return ret; 1903 } 1904 1905 static long do_fcntl(int fd, int cmd, target_ulong arg) 1906 { 1907 struct flock fl; 1908 struct target_flock *target_fl; 1909 struct flock64 fl64; 1910 struct target_flock64 *target_fl64; 1911 long ret; 1912 1913 switch(cmd) { 1914 case TARGET_F_GETLK: 1915 lock_user_struct(target_fl, arg, 1); 1916 fl.l_type = tswap16(target_fl->l_type); 1917 fl.l_whence = tswap16(target_fl->l_whence); 1918 fl.l_start = tswapl(target_fl->l_start); 1919 fl.l_len = tswapl(target_fl->l_len); 1920 fl.l_pid = tswapl(target_fl->l_pid); 1921 unlock_user_struct(target_fl, arg, 0); 1922 ret = fcntl(fd, cmd, &fl); 1923 if (ret == 0) { 1924 lock_user_struct(target_fl, arg, 0); 1925 target_fl->l_type = tswap16(fl.l_type); 1926 target_fl->l_whence = tswap16(fl.l_whence); 1927 target_fl->l_start = tswapl(fl.l_start); 1928 target_fl->l_len = tswapl(fl.l_len); 1929 target_fl->l_pid = tswapl(fl.l_pid); 1930 unlock_user_struct(target_fl, arg, 1); 1931 } 1932 break; 1933 1934 case TARGET_F_SETLK: 1935 case TARGET_F_SETLKW: 1936 lock_user_struct(target_fl, arg, 1); 1937 fl.l_type = tswap16(target_fl->l_type); 1938 fl.l_whence = tswap16(target_fl->l_whence); 1939 fl.l_start = tswapl(target_fl->l_start); 1940 fl.l_len = tswapl(target_fl->l_len); 1941 fl.l_pid = tswapl(target_fl->l_pid); 1942 unlock_user_struct(target_fl, arg, 0); 1943 ret = fcntl(fd, cmd, &fl); 1944 break; 1945 1946 case TARGET_F_GETLK64: 1947 lock_user_struct(target_fl64, arg, 1); 1948 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 1949 fl64.l_whence = tswap16(target_fl64->l_whence); 1950 fl64.l_start = tswapl(target_fl64->l_start); 1951 fl64.l_len = tswapl(target_fl64->l_len); 1952 fl64.l_pid = tswap16(target_fl64->l_pid); 1953 unlock_user_struct(target_fl64, arg, 0); 1954 ret = fcntl(fd, cmd >> 1, &fl64); 1955 if (ret == 0) { 1956 lock_user_struct(target_fl64, arg, 0); 1957 target_fl64->l_type = tswap16(fl64.l_type) >> 1; 1958 target_fl64->l_whence = tswap16(fl64.l_whence); 1959 target_fl64->l_start = tswapl(fl64.l_start); 1960 target_fl64->l_len = tswapl(fl64.l_len); 1961 target_fl64->l_pid = tswapl(fl64.l_pid); 1962 unlock_user_struct(target_fl64, arg, 1); 1963 } 1964 break; 1965 case TARGET_F_SETLK64: 1966 case TARGET_F_SETLKW64: 1967 lock_user_struct(target_fl64, arg, 1); 1968 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 1969 fl64.l_whence = tswap16(target_fl64->l_whence); 1970 fl64.l_start = tswapl(target_fl64->l_start); 1971 fl64.l_len = tswapl(target_fl64->l_len); 1972 fl64.l_pid = tswap16(target_fl64->l_pid); 1973 unlock_user_struct(target_fl64, arg, 0); 1974 ret = fcntl(fd, cmd >> 1, &fl64); 1975 break; 1976 1977 case F_GETFL: 1978 ret = fcntl(fd, cmd, arg); 1979 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 1980 break; 1981 1982 case F_SETFL: 1983 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)); 1984 break; 1985 1986 default: 1987 ret = fcntl(fd, cmd, arg); 1988 break; 1989 } 1990 return ret; 1991 } 1992 1993 #ifdef USE_UID16 1994 1995 static inline int high2lowuid(int uid) 1996 { 1997 if (uid > 65535) 1998 return 65534; 1999 else 2000 return uid; 2001 } 2002 2003 static inline int high2lowgid(int gid) 2004 { 2005 if (gid > 65535) 2006 return 65534; 2007 else 2008 return gid; 2009 } 2010 2011 static inline int low2highuid(int uid) 2012 { 2013 if ((int16_t)uid == -1) 2014 return -1; 2015 else 2016 return uid; 2017 } 2018 2019 static inline int low2highgid(int gid) 2020 { 2021 if ((int16_t)gid == -1) 2022 return -1; 2023 else 2024 return gid; 2025 } 2026 2027 #endif /* USE_UID16 */ 2028 2029 void syscall_init(void) 2030 { 2031 IOCTLEntry *ie; 2032 const argtype *arg_type; 2033 int size; 2034 2035 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 2036 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 2037 #include "syscall_types.h" 2038 #undef STRUCT 2039 #undef STRUCT_SPECIAL 2040 2041 /* we patch the ioctl size if necessary. We rely on the fact that 2042 no ioctl has all the bits at '1' in the size field */ 2043 ie = ioctl_entries; 2044 while (ie->target_cmd != 0) { 2045 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 2046 TARGET_IOC_SIZEMASK) { 2047 arg_type = ie->arg_type; 2048 if (arg_type[0] != TYPE_PTR) { 2049 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 2050 ie->target_cmd); 2051 exit(1); 2052 } 2053 arg_type++; 2054 size = thunk_type_size(arg_type, 0); 2055 ie->target_cmd = (ie->target_cmd & 2056 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 2057 (size << TARGET_IOC_SIZESHIFT); 2058 } 2059 /* automatic consistency check if same arch */ 2060 #if defined(__i386__) && defined(TARGET_I386) 2061 if (ie->target_cmd != ie->host_cmd) { 2062 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 2063 ie->target_cmd, ie->host_cmd); 2064 } 2065 #endif 2066 ie++; 2067 } 2068 } 2069 2070 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) 2071 { 2072 #ifdef TARGET_WORDS_BIG_ENDIAN 2073 return ((uint64_t)word0 << 32) | word1; 2074 #else 2075 return ((uint64_t)word1 << 32) | word0; 2076 #endif 2077 } 2078 2079 #ifdef TARGET_NR_truncate64 2080 static inline long target_truncate64(void *cpu_env, const char *arg1, 2081 long arg2, long arg3, long arg4) 2082 { 2083 #ifdef TARGET_ARM 2084 if (((CPUARMState *)cpu_env)->eabi) 2085 { 2086 arg2 = arg3; 2087 arg3 = arg4; 2088 } 2089 #endif 2090 return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); 2091 } 2092 #endif 2093 2094 #ifdef TARGET_NR_ftruncate64 2095 static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2, 2096 long arg3, long arg4) 2097 { 2098 #ifdef TARGET_ARM 2099 if (((CPUARMState *)cpu_env)->eabi) 2100 { 2101 arg2 = arg3; 2102 arg3 = arg4; 2103 } 2104 #endif 2105 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); 2106 } 2107 #endif 2108 2109 static inline void target_to_host_timespec(struct timespec *host_ts, 2110 target_ulong target_addr) 2111 { 2112 struct target_timespec *target_ts; 2113 2114 lock_user_struct(target_ts, target_addr, 1); 2115 host_ts->tv_sec = tswapl(target_ts->tv_sec); 2116 host_ts->tv_nsec = tswapl(target_ts->tv_nsec); 2117 unlock_user_struct(target_ts, target_addr, 0); 2118 } 2119 2120 static inline void host_to_target_timespec(target_ulong target_addr, 2121 struct timespec *host_ts) 2122 { 2123 struct target_timespec *target_ts; 2124 2125 lock_user_struct(target_ts, target_addr, 0); 2126 target_ts->tv_sec = tswapl(host_ts->tv_sec); 2127 target_ts->tv_nsec = tswapl(host_ts->tv_nsec); 2128 unlock_user_struct(target_ts, target_addr, 1); 2129 } 2130 2131 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 2132 long arg4, long arg5, long arg6) 2133 { 2134 long ret; 2135 struct stat st; 2136 struct statfs stfs; 2137 void *p; 2138 2139 #ifdef DEBUG 2140 gemu_log("syscall %d", num); 2141 #endif 2142 switch(num) { 2143 case TARGET_NR_exit: 2144 #ifdef HAVE_GPROF 2145 _mcleanup(); 2146 #endif 2147 gdb_exit(cpu_env, arg1); 2148 /* XXX: should free thread stack and CPU env */ 2149 _exit(arg1); 2150 ret = 0; /* avoid warning */ 2151 break; 2152 case TARGET_NR_read: 2153 page_unprotect_range(arg2, arg3); 2154 p = lock_user(arg2, arg3, 0); 2155 ret = get_errno(read(arg1, p, arg3)); 2156 unlock_user(p, arg2, ret); 2157 break; 2158 case TARGET_NR_write: 2159 p = lock_user(arg2, arg3, 1); 2160 ret = get_errno(write(arg1, p, arg3)); 2161 unlock_user(p, arg2, 0); 2162 break; 2163 case TARGET_NR_open: 2164 p = lock_user_string(arg1); 2165 ret = get_errno(open(path(p), 2166 target_to_host_bitmask(arg2, fcntl_flags_tbl), 2167 arg3)); 2168 unlock_user(p, arg1, 0); 2169 break; 2170 case TARGET_NR_close: 2171 ret = get_errno(close(arg1)); 2172 break; 2173 case TARGET_NR_brk: 2174 ret = do_brk(arg1); 2175 break; 2176 case TARGET_NR_fork: 2177 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 2178 break; 2179 #ifdef TARGET_NR_waitpid 2180 case TARGET_NR_waitpid: 2181 { 2182 int status; 2183 ret = get_errno(waitpid(arg1, &status, arg3)); 2184 if (!is_error(ret) && arg2) 2185 tput32(arg2, status); 2186 } 2187 break; 2188 #endif 2189 #ifdef TARGET_NR_creat /* not on alpha */ 2190 case TARGET_NR_creat: 2191 p = lock_user_string(arg1); 2192 ret = get_errno(creat(p, arg2)); 2193 unlock_user(p, arg1, 0); 2194 break; 2195 #endif 2196 case TARGET_NR_link: 2197 { 2198 void * p2; 2199 p = lock_user_string(arg1); 2200 p2 = lock_user_string(arg2); 2201 ret = get_errno(link(p, p2)); 2202 unlock_user(p2, arg2, 0); 2203 unlock_user(p, arg1, 0); 2204 } 2205 break; 2206 case TARGET_NR_unlink: 2207 p = lock_user_string(arg1); 2208 ret = get_errno(unlink(p)); 2209 unlock_user(p, arg1, 0); 2210 break; 2211 case TARGET_NR_execve: 2212 { 2213 char **argp, **envp; 2214 int argc, envc; 2215 target_ulong gp; 2216 target_ulong guest_argp; 2217 target_ulong guest_envp; 2218 target_ulong addr; 2219 char **q; 2220 2221 argc = 0; 2222 guest_argp = arg2; 2223 for (gp = guest_argp; tgetl(gp); gp++) 2224 argc++; 2225 envc = 0; 2226 guest_envp = arg3; 2227 for (gp = guest_envp; tgetl(gp); gp++) 2228 envc++; 2229 2230 argp = alloca((argc + 1) * sizeof(void *)); 2231 envp = alloca((envc + 1) * sizeof(void *)); 2232 2233 for (gp = guest_argp, q = argp; ; 2234 gp += sizeof(target_ulong), q++) { 2235 addr = tgetl(gp); 2236 if (!addr) 2237 break; 2238 *q = lock_user_string(addr); 2239 } 2240 *q = NULL; 2241 2242 for (gp = guest_envp, q = envp; ; 2243 gp += sizeof(target_ulong), q++) { 2244 addr = tgetl(gp); 2245 if (!addr) 2246 break; 2247 *q = lock_user_string(addr); 2248 } 2249 *q = NULL; 2250 2251 p = lock_user_string(arg1); 2252 ret = get_errno(execve(p, argp, envp)); 2253 unlock_user(p, arg1, 0); 2254 2255 for (gp = guest_argp, q = argp; *q; 2256 gp += sizeof(target_ulong), q++) { 2257 addr = tgetl(gp); 2258 unlock_user(*q, addr, 0); 2259 } 2260 for (gp = guest_envp, q = envp; *q; 2261 gp += sizeof(target_ulong), q++) { 2262 addr = tgetl(gp); 2263 unlock_user(*q, addr, 0); 2264 } 2265 } 2266 break; 2267 case TARGET_NR_chdir: 2268 p = lock_user_string(arg1); 2269 ret = get_errno(chdir(p)); 2270 unlock_user(p, arg1, 0); 2271 break; 2272 #ifdef TARGET_NR_time 2273 case TARGET_NR_time: 2274 { 2275 time_t host_time; 2276 ret = get_errno(time(&host_time)); 2277 if (!is_error(ret) && arg1) 2278 tputl(arg1, host_time); 2279 } 2280 break; 2281 #endif 2282 case TARGET_NR_mknod: 2283 p = lock_user_string(arg1); 2284 ret = get_errno(mknod(p, arg2, arg3)); 2285 unlock_user(p, arg1, 0); 2286 break; 2287 case TARGET_NR_chmod: 2288 p = lock_user_string(arg1); 2289 ret = get_errno(chmod(p, arg2)); 2290 unlock_user(p, arg1, 0); 2291 break; 2292 #ifdef TARGET_NR_break 2293 case TARGET_NR_break: 2294 goto unimplemented; 2295 #endif 2296 #ifdef TARGET_NR_oldstat 2297 case TARGET_NR_oldstat: 2298 goto unimplemented; 2299 #endif 2300 case TARGET_NR_lseek: 2301 ret = get_errno(lseek(arg1, arg2, arg3)); 2302 break; 2303 #ifdef TARGET_NR_getxpid 2304 case TARGET_NR_getxpid: 2305 #else 2306 case TARGET_NR_getpid: 2307 #endif 2308 ret = get_errno(getpid()); 2309 break; 2310 case TARGET_NR_mount: 2311 { 2312 /* need to look at the data field */ 2313 void *p2, *p3; 2314 p = lock_user_string(arg1); 2315 p2 = lock_user_string(arg2); 2316 p3 = lock_user_string(arg3); 2317 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5)); 2318 unlock_user(p, arg1, 0); 2319 unlock_user(p2, arg2, 0); 2320 unlock_user(p3, arg3, 0); 2321 break; 2322 } 2323 #ifdef TARGET_NR_umount 2324 case TARGET_NR_umount: 2325 p = lock_user_string(arg1); 2326 ret = get_errno(umount(p)); 2327 unlock_user(p, arg1, 0); 2328 break; 2329 #endif 2330 #ifdef TARGET_NR_stime /* not on alpha */ 2331 case TARGET_NR_stime: 2332 { 2333 time_t host_time; 2334 host_time = tgetl(arg1); 2335 ret = get_errno(stime(&host_time)); 2336 } 2337 break; 2338 #endif 2339 case TARGET_NR_ptrace: 2340 goto unimplemented; 2341 #ifdef TARGET_NR_alarm /* not on alpha */ 2342 case TARGET_NR_alarm: 2343 ret = alarm(arg1); 2344 break; 2345 #endif 2346 #ifdef TARGET_NR_oldfstat 2347 case TARGET_NR_oldfstat: 2348 goto unimplemented; 2349 #endif 2350 #ifdef TARGET_NR_pause /* not on alpha */ 2351 case TARGET_NR_pause: 2352 ret = get_errno(pause()); 2353 break; 2354 #endif 2355 #ifdef TARGET_NR_utime 2356 case TARGET_NR_utime: 2357 { 2358 struct utimbuf tbuf, *host_tbuf; 2359 struct target_utimbuf *target_tbuf; 2360 if (arg2) { 2361 lock_user_struct(target_tbuf, arg2, 1); 2362 tbuf.actime = tswapl(target_tbuf->actime); 2363 tbuf.modtime = tswapl(target_tbuf->modtime); 2364 unlock_user_struct(target_tbuf, arg2, 0); 2365 host_tbuf = &tbuf; 2366 } else { 2367 host_tbuf = NULL; 2368 } 2369 p = lock_user_string(arg1); 2370 ret = get_errno(utime(p, host_tbuf)); 2371 unlock_user(p, arg1, 0); 2372 } 2373 break; 2374 #endif 2375 case TARGET_NR_utimes: 2376 { 2377 struct timeval *tvp, tv[2]; 2378 if (arg2) { 2379 target_to_host_timeval(&tv[0], arg2); 2380 target_to_host_timeval(&tv[1], 2381 arg2 + sizeof (struct target_timeval)); 2382 tvp = tv; 2383 } else { 2384 tvp = NULL; 2385 } 2386 p = lock_user_string(arg1); 2387 ret = get_errno(utimes(p, tvp)); 2388 unlock_user(p, arg1, 0); 2389 } 2390 break; 2391 #ifdef TARGET_NR_stty 2392 case TARGET_NR_stty: 2393 goto unimplemented; 2394 #endif 2395 #ifdef TARGET_NR_gtty 2396 case TARGET_NR_gtty: 2397 goto unimplemented; 2398 #endif 2399 case TARGET_NR_access: 2400 p = lock_user_string(arg1); 2401 ret = get_errno(access(p, arg2)); 2402 unlock_user(p, arg1, 0); 2403 break; 2404 #ifdef TARGET_NR_nice /* not on alpha */ 2405 case TARGET_NR_nice: 2406 ret = get_errno(nice(arg1)); 2407 break; 2408 #endif 2409 #ifdef TARGET_NR_ftime 2410 case TARGET_NR_ftime: 2411 goto unimplemented; 2412 #endif 2413 case TARGET_NR_sync: 2414 sync(); 2415 ret = 0; 2416 break; 2417 case TARGET_NR_kill: 2418 ret = get_errno(kill(arg1, arg2)); 2419 break; 2420 case TARGET_NR_rename: 2421 { 2422 void *p2; 2423 p = lock_user_string(arg1); 2424 p2 = lock_user_string(arg2); 2425 ret = get_errno(rename(p, p2)); 2426 unlock_user(p2, arg2, 0); 2427 unlock_user(p, arg1, 0); 2428 } 2429 break; 2430 case TARGET_NR_mkdir: 2431 p = lock_user_string(arg1); 2432 ret = get_errno(mkdir(p, arg2)); 2433 unlock_user(p, arg1, 0); 2434 break; 2435 case TARGET_NR_rmdir: 2436 p = lock_user_string(arg1); 2437 ret = get_errno(rmdir(p)); 2438 unlock_user(p, arg1, 0); 2439 break; 2440 case TARGET_NR_dup: 2441 ret = get_errno(dup(arg1)); 2442 break; 2443 case TARGET_NR_pipe: 2444 { 2445 int host_pipe[2]; 2446 ret = get_errno(pipe(host_pipe)); 2447 if (!is_error(ret)) { 2448 #if defined(TARGET_MIPS) 2449 ((CPUMIPSState*)cpu_env)->gpr[3] = host_pipe[1]; 2450 ret = host_pipe[0]; 2451 #else 2452 tput32(arg1, host_pipe[0]); 2453 tput32(arg1 + 4, host_pipe[1]); 2454 #endif 2455 } 2456 } 2457 break; 2458 case TARGET_NR_times: 2459 { 2460 struct target_tms *tmsp; 2461 struct tms tms; 2462 ret = get_errno(times(&tms)); 2463 if (arg1) { 2464 tmsp = lock_user(arg1, sizeof(struct target_tms), 0); 2465 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 2466 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 2467 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 2468 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 2469 } 2470 if (!is_error(ret)) 2471 ret = host_to_target_clock_t(ret); 2472 } 2473 break; 2474 #ifdef TARGET_NR_prof 2475 case TARGET_NR_prof: 2476 goto unimplemented; 2477 #endif 2478 #ifdef TARGET_NR_signal 2479 case TARGET_NR_signal: 2480 goto unimplemented; 2481 #endif 2482 case TARGET_NR_acct: 2483 p = lock_user_string(arg1); 2484 ret = get_errno(acct(path(p))); 2485 unlock_user(p, arg1, 0); 2486 break; 2487 #ifdef TARGET_NR_umount2 /* not on alpha */ 2488 case TARGET_NR_umount2: 2489 p = lock_user_string(arg1); 2490 ret = get_errno(umount2(p, arg2)); 2491 unlock_user(p, arg1, 0); 2492 break; 2493 #endif 2494 #ifdef TARGET_NR_lock 2495 case TARGET_NR_lock: 2496 goto unimplemented; 2497 #endif 2498 case TARGET_NR_ioctl: 2499 ret = do_ioctl(arg1, arg2, arg3); 2500 break; 2501 case TARGET_NR_fcntl: 2502 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 2503 break; 2504 #ifdef TARGET_NR_mpx 2505 case TARGET_NR_mpx: 2506 goto unimplemented; 2507 #endif 2508 case TARGET_NR_setpgid: 2509 ret = get_errno(setpgid(arg1, arg2)); 2510 break; 2511 #ifdef TARGET_NR_ulimit 2512 case TARGET_NR_ulimit: 2513 goto unimplemented; 2514 #endif 2515 #ifdef TARGET_NR_oldolduname 2516 case TARGET_NR_oldolduname: 2517 goto unimplemented; 2518 #endif 2519 case TARGET_NR_umask: 2520 ret = get_errno(umask(arg1)); 2521 break; 2522 case TARGET_NR_chroot: 2523 p = lock_user_string(arg1); 2524 ret = get_errno(chroot(p)); 2525 unlock_user(p, arg1, 0); 2526 break; 2527 case TARGET_NR_ustat: 2528 goto unimplemented; 2529 case TARGET_NR_dup2: 2530 ret = get_errno(dup2(arg1, arg2)); 2531 break; 2532 #ifdef TARGET_NR_getppid /* not on alpha */ 2533 case TARGET_NR_getppid: 2534 ret = get_errno(getppid()); 2535 break; 2536 #endif 2537 case TARGET_NR_getpgrp: 2538 ret = get_errno(getpgrp()); 2539 break; 2540 case TARGET_NR_setsid: 2541 ret = get_errno(setsid()); 2542 break; 2543 #ifdef TARGET_NR_sigaction 2544 case TARGET_NR_sigaction: 2545 { 2546 #if !defined(TARGET_MIPS) 2547 struct target_old_sigaction *old_act; 2548 struct target_sigaction act, oact, *pact; 2549 if (arg2) { 2550 lock_user_struct(old_act, arg2, 1); 2551 act._sa_handler = old_act->_sa_handler; 2552 target_siginitset(&act.sa_mask, old_act->sa_mask); 2553 act.sa_flags = old_act->sa_flags; 2554 act.sa_restorer = old_act->sa_restorer; 2555 unlock_user_struct(old_act, arg2, 0); 2556 pact = &act; 2557 } else { 2558 pact = NULL; 2559 } 2560 ret = get_errno(do_sigaction(arg1, pact, &oact)); 2561 if (!is_error(ret) && arg3) { 2562 lock_user_struct(old_act, arg3, 0); 2563 old_act->_sa_handler = oact._sa_handler; 2564 old_act->sa_mask = oact.sa_mask.sig[0]; 2565 old_act->sa_flags = oact.sa_flags; 2566 old_act->sa_restorer = oact.sa_restorer; 2567 unlock_user_struct(old_act, arg3, 1); 2568 } 2569 #else 2570 struct target_sigaction act, oact, *pact, *old_act; 2571 2572 if (arg2) { 2573 lock_user_struct(old_act, arg2, 1); 2574 act._sa_handler = old_act->_sa_handler; 2575 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); 2576 act.sa_flags = old_act->sa_flags; 2577 unlock_user_struct(old_act, arg2, 0); 2578 pact = &act; 2579 } else { 2580 pact = NULL; 2581 } 2582 2583 ret = get_errno(do_sigaction(arg1, pact, &oact)); 2584 2585 if (!is_error(ret) && arg3) { 2586 lock_user_struct(old_act, arg3, 0); 2587 old_act->_sa_handler = oact._sa_handler; 2588 old_act->sa_flags = oact.sa_flags; 2589 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; 2590 old_act->sa_mask.sig[1] = 0; 2591 old_act->sa_mask.sig[2] = 0; 2592 old_act->sa_mask.sig[3] = 0; 2593 unlock_user_struct(old_act, arg3, 1); 2594 } 2595 #endif 2596 } 2597 break; 2598 #endif 2599 case TARGET_NR_rt_sigaction: 2600 { 2601 struct target_sigaction *act; 2602 struct target_sigaction *oact; 2603 2604 if (arg2) 2605 lock_user_struct(act, arg2, 1); 2606 else 2607 act = NULL; 2608 if (arg3) 2609 lock_user_struct(oact, arg3, 0); 2610 else 2611 oact = NULL; 2612 ret = get_errno(do_sigaction(arg1, act, oact)); 2613 if (arg2) 2614 unlock_user_struct(act, arg2, 0); 2615 if (arg3) 2616 unlock_user_struct(oact, arg3, 1); 2617 } 2618 break; 2619 #ifdef TARGET_NR_sgetmask /* not on alpha */ 2620 case TARGET_NR_sgetmask: 2621 { 2622 sigset_t cur_set; 2623 target_ulong target_set; 2624 sigprocmask(0, NULL, &cur_set); 2625 host_to_target_old_sigset(&target_set, &cur_set); 2626 ret = target_set; 2627 } 2628 break; 2629 #endif 2630 #ifdef TARGET_NR_ssetmask /* not on alpha */ 2631 case TARGET_NR_ssetmask: 2632 { 2633 sigset_t set, oset, cur_set; 2634 target_ulong target_set = arg1; 2635 sigprocmask(0, NULL, &cur_set); 2636 target_to_host_old_sigset(&set, &target_set); 2637 sigorset(&set, &set, &cur_set); 2638 sigprocmask(SIG_SETMASK, &set, &oset); 2639 host_to_target_old_sigset(&target_set, &oset); 2640 ret = target_set; 2641 } 2642 break; 2643 #endif 2644 #ifdef TARGET_NR_sigprocmask 2645 case TARGET_NR_sigprocmask: 2646 { 2647 int how = arg1; 2648 sigset_t set, oldset, *set_ptr; 2649 2650 if (arg2) { 2651 switch(how) { 2652 case TARGET_SIG_BLOCK: 2653 how = SIG_BLOCK; 2654 break; 2655 case TARGET_SIG_UNBLOCK: 2656 how = SIG_UNBLOCK; 2657 break; 2658 case TARGET_SIG_SETMASK: 2659 how = SIG_SETMASK; 2660 break; 2661 default: 2662 ret = -EINVAL; 2663 goto fail; 2664 } 2665 p = lock_user(arg2, sizeof(target_sigset_t), 1); 2666 target_to_host_old_sigset(&set, p); 2667 unlock_user(p, arg2, 0); 2668 set_ptr = &set; 2669 } else { 2670 how = 0; 2671 set_ptr = NULL; 2672 } 2673 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 2674 if (!is_error(ret) && arg3) { 2675 p = lock_user(arg3, sizeof(target_sigset_t), 0); 2676 host_to_target_old_sigset(p, &oldset); 2677 unlock_user(p, arg3, sizeof(target_sigset_t)); 2678 } 2679 } 2680 break; 2681 #endif 2682 case TARGET_NR_rt_sigprocmask: 2683 { 2684 int how = arg1; 2685 sigset_t set, oldset, *set_ptr; 2686 2687 if (arg2) { 2688 switch(how) { 2689 case TARGET_SIG_BLOCK: 2690 how = SIG_BLOCK; 2691 break; 2692 case TARGET_SIG_UNBLOCK: 2693 how = SIG_UNBLOCK; 2694 break; 2695 case TARGET_SIG_SETMASK: 2696 how = SIG_SETMASK; 2697 break; 2698 default: 2699 ret = -EINVAL; 2700 goto fail; 2701 } 2702 p = lock_user(arg2, sizeof(target_sigset_t), 1); 2703 target_to_host_sigset(&set, p); 2704 unlock_user(p, arg2, 0); 2705 set_ptr = &set; 2706 } else { 2707 how = 0; 2708 set_ptr = NULL; 2709 } 2710 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 2711 if (!is_error(ret) && arg3) { 2712 p = lock_user(arg3, sizeof(target_sigset_t), 0); 2713 host_to_target_sigset(p, &oldset); 2714 unlock_user(p, arg3, sizeof(target_sigset_t)); 2715 } 2716 } 2717 break; 2718 #ifdef TARGET_NR_sigpending 2719 case TARGET_NR_sigpending: 2720 { 2721 sigset_t set; 2722 ret = get_errno(sigpending(&set)); 2723 if (!is_error(ret)) { 2724 p = lock_user(arg1, sizeof(target_sigset_t), 0); 2725 host_to_target_old_sigset(p, &set); 2726 unlock_user(p, arg1, sizeof(target_sigset_t)); 2727 } 2728 } 2729 break; 2730 #endif 2731 case TARGET_NR_rt_sigpending: 2732 { 2733 sigset_t set; 2734 ret = get_errno(sigpending(&set)); 2735 if (!is_error(ret)) { 2736 p = lock_user(arg1, sizeof(target_sigset_t), 0); 2737 host_to_target_sigset(p, &set); 2738 unlock_user(p, arg1, sizeof(target_sigset_t)); 2739 } 2740 } 2741 break; 2742 #ifdef TARGET_NR_sigsuspend 2743 case TARGET_NR_sigsuspend: 2744 { 2745 sigset_t set; 2746 p = lock_user(arg1, sizeof(target_sigset_t), 1); 2747 target_to_host_old_sigset(&set, p); 2748 unlock_user(p, arg1, 0); 2749 ret = get_errno(sigsuspend(&set)); 2750 } 2751 break; 2752 #endif 2753 case TARGET_NR_rt_sigsuspend: 2754 { 2755 sigset_t set; 2756 p = lock_user(arg1, sizeof(target_sigset_t), 1); 2757 target_to_host_sigset(&set, p); 2758 unlock_user(p, arg1, 0); 2759 ret = get_errno(sigsuspend(&set)); 2760 } 2761 break; 2762 case TARGET_NR_rt_sigtimedwait: 2763 { 2764 sigset_t set; 2765 struct timespec uts, *puts; 2766 siginfo_t uinfo; 2767 2768 p = lock_user(arg1, sizeof(target_sigset_t), 1); 2769 target_to_host_sigset(&set, p); 2770 unlock_user(p, arg1, 0); 2771 if (arg3) { 2772 puts = &uts; 2773 target_to_host_timespec(puts, arg3); 2774 } else { 2775 puts = NULL; 2776 } 2777 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 2778 if (!is_error(ret) && arg2) { 2779 p = lock_user(arg2, sizeof(target_sigset_t), 0); 2780 host_to_target_siginfo(p, &uinfo); 2781 unlock_user(p, arg2, sizeof(target_sigset_t)); 2782 } 2783 } 2784 break; 2785 case TARGET_NR_rt_sigqueueinfo: 2786 { 2787 siginfo_t uinfo; 2788 p = lock_user(arg3, sizeof(target_sigset_t), 1); 2789 target_to_host_siginfo(&uinfo, p); 2790 unlock_user(p, arg1, 0); 2791 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 2792 } 2793 break; 2794 #ifdef TARGET_NR_sigreturn 2795 case TARGET_NR_sigreturn: 2796 /* NOTE: ret is eax, so not transcoding must be done */ 2797 ret = do_sigreturn(cpu_env); 2798 break; 2799 #endif 2800 case TARGET_NR_rt_sigreturn: 2801 /* NOTE: ret is eax, so not transcoding must be done */ 2802 ret = do_rt_sigreturn(cpu_env); 2803 break; 2804 case TARGET_NR_sethostname: 2805 p = lock_user_string(arg1); 2806 ret = get_errno(sethostname(p, arg2)); 2807 unlock_user(p, arg1, 0); 2808 break; 2809 case TARGET_NR_setrlimit: 2810 { 2811 /* XXX: convert resource ? */ 2812 int resource = arg1; 2813 struct target_rlimit *target_rlim; 2814 struct rlimit rlim; 2815 lock_user_struct(target_rlim, arg2, 1); 2816 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 2817 rlim.rlim_max = tswapl(target_rlim->rlim_max); 2818 unlock_user_struct(target_rlim, arg2, 0); 2819 ret = get_errno(setrlimit(resource, &rlim)); 2820 } 2821 break; 2822 case TARGET_NR_getrlimit: 2823 { 2824 /* XXX: convert resource ? */ 2825 int resource = arg1; 2826 struct target_rlimit *target_rlim; 2827 struct rlimit rlim; 2828 2829 ret = get_errno(getrlimit(resource, &rlim)); 2830 if (!is_error(ret)) { 2831 lock_user_struct(target_rlim, arg2, 0); 2832 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 2833 rlim.rlim_max = tswapl(target_rlim->rlim_max); 2834 unlock_user_struct(target_rlim, arg2, 1); 2835 } 2836 } 2837 break; 2838 case TARGET_NR_getrusage: 2839 { 2840 struct rusage rusage; 2841 ret = get_errno(getrusage(arg1, &rusage)); 2842 if (!is_error(ret)) { 2843 host_to_target_rusage(arg2, &rusage); 2844 } 2845 } 2846 break; 2847 case TARGET_NR_gettimeofday: 2848 { 2849 struct timeval tv; 2850 ret = get_errno(gettimeofday(&tv, NULL)); 2851 if (!is_error(ret)) { 2852 host_to_target_timeval(arg1, &tv); 2853 } 2854 } 2855 break; 2856 case TARGET_NR_settimeofday: 2857 { 2858 struct timeval tv; 2859 target_to_host_timeval(&tv, arg1); 2860 ret = get_errno(settimeofday(&tv, NULL)); 2861 } 2862 break; 2863 #ifdef TARGET_NR_select 2864 case TARGET_NR_select: 2865 { 2866 struct target_sel_arg_struct *sel; 2867 target_ulong inp, outp, exp, tvp; 2868 long nsel; 2869 2870 lock_user_struct(sel, arg1, 1); 2871 nsel = tswapl(sel->n); 2872 inp = tswapl(sel->inp); 2873 outp = tswapl(sel->outp); 2874 exp = tswapl(sel->exp); 2875 tvp = tswapl(sel->tvp); 2876 unlock_user_struct(sel, arg1, 0); 2877 ret = do_select(nsel, inp, outp, exp, tvp); 2878 } 2879 break; 2880 #endif 2881 case TARGET_NR_symlink: 2882 { 2883 void *p2; 2884 p = lock_user_string(arg1); 2885 p2 = lock_user_string(arg2); 2886 ret = get_errno(symlink(p, p2)); 2887 unlock_user(p2, arg2, 0); 2888 unlock_user(p, arg1, 0); 2889 } 2890 break; 2891 #ifdef TARGET_NR_oldlstat 2892 case TARGET_NR_oldlstat: 2893 goto unimplemented; 2894 #endif 2895 case TARGET_NR_readlink: 2896 { 2897 void *p2; 2898 p = lock_user_string(arg1); 2899 p2 = lock_user(arg2, arg3, 0); 2900 ret = get_errno(readlink(path(p), p2, arg3)); 2901 unlock_user(p2, arg2, ret); 2902 unlock_user(p, arg1, 0); 2903 } 2904 break; 2905 #ifdef TARGET_NR_uselib 2906 case TARGET_NR_uselib: 2907 goto unimplemented; 2908 #endif 2909 #ifdef TARGET_NR_swapon 2910 case TARGET_NR_swapon: 2911 p = lock_user_string(arg1); 2912 ret = get_errno(swapon(p, arg2)); 2913 unlock_user(p, arg1, 0); 2914 break; 2915 #endif 2916 case TARGET_NR_reboot: 2917 goto unimplemented; 2918 #ifdef TARGET_NR_readdir 2919 case TARGET_NR_readdir: 2920 goto unimplemented; 2921 #endif 2922 #ifdef TARGET_NR_mmap 2923 case TARGET_NR_mmap: 2924 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K) 2925 { 2926 target_ulong *v; 2927 target_ulong v1, v2, v3, v4, v5, v6; 2928 v = lock_user(arg1, 6 * sizeof(target_ulong), 1); 2929 v1 = tswapl(v[0]); 2930 v2 = tswapl(v[1]); 2931 v3 = tswapl(v[2]); 2932 v4 = tswapl(v[3]); 2933 v5 = tswapl(v[4]); 2934 v6 = tswapl(v[5]); 2935 unlock_user(v, arg1, 0); 2936 ret = get_errno(target_mmap(v1, v2, v3, 2937 target_to_host_bitmask(v4, mmap_flags_tbl), 2938 v5, v6)); 2939 } 2940 #else 2941 ret = get_errno(target_mmap(arg1, arg2, arg3, 2942 target_to_host_bitmask(arg4, mmap_flags_tbl), 2943 arg5, 2944 arg6)); 2945 #endif 2946 break; 2947 #endif 2948 #ifdef TARGET_NR_mmap2 2949 case TARGET_NR_mmap2: 2950 #if defined(TARGET_SPARC) || defined(TARGET_MIPS) 2951 #define MMAP_SHIFT 12 2952 #else 2953 #define MMAP_SHIFT TARGET_PAGE_BITS 2954 #endif 2955 ret = get_errno(target_mmap(arg1, arg2, arg3, 2956 target_to_host_bitmask(arg4, mmap_flags_tbl), 2957 arg5, 2958 arg6 << MMAP_SHIFT)); 2959 break; 2960 #endif 2961 case TARGET_NR_munmap: 2962 ret = get_errno(target_munmap(arg1, arg2)); 2963 break; 2964 case TARGET_NR_mprotect: 2965 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 2966 break; 2967 #ifdef TARGET_NR_mremap 2968 case TARGET_NR_mremap: 2969 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 2970 break; 2971 #endif 2972 /* ??? msync/mlock/munlock are broken for softmmu. */ 2973 #ifdef TARGET_NR_msync 2974 case TARGET_NR_msync: 2975 ret = get_errno(msync(g2h(arg1), arg2, arg3)); 2976 break; 2977 #endif 2978 #ifdef TARGET_NR_mlock 2979 case TARGET_NR_mlock: 2980 ret = get_errno(mlock(g2h(arg1), arg2)); 2981 break; 2982 #endif 2983 #ifdef TARGET_NR_munlock 2984 case TARGET_NR_munlock: 2985 ret = get_errno(munlock(g2h(arg1), arg2)); 2986 break; 2987 #endif 2988 #ifdef TARGET_NR_mlockall 2989 case TARGET_NR_mlockall: 2990 ret = get_errno(mlockall(arg1)); 2991 break; 2992 #endif 2993 #ifdef TARGET_NR_munlockall 2994 case TARGET_NR_munlockall: 2995 ret = get_errno(munlockall()); 2996 break; 2997 #endif 2998 case TARGET_NR_truncate: 2999 p = lock_user_string(arg1); 3000 ret = get_errno(truncate(p, arg2)); 3001 unlock_user(p, arg1, 0); 3002 break; 3003 case TARGET_NR_ftruncate: 3004 ret = get_errno(ftruncate(arg1, arg2)); 3005 break; 3006 case TARGET_NR_fchmod: 3007 ret = get_errno(fchmod(arg1, arg2)); 3008 break; 3009 case TARGET_NR_getpriority: 3010 ret = get_errno(getpriority(arg1, arg2)); 3011 break; 3012 case TARGET_NR_setpriority: 3013 ret = get_errno(setpriority(arg1, arg2, arg3)); 3014 break; 3015 #ifdef TARGET_NR_profil 3016 case TARGET_NR_profil: 3017 goto unimplemented; 3018 #endif 3019 case TARGET_NR_statfs: 3020 p = lock_user_string(arg1); 3021 ret = get_errno(statfs(path(p), &stfs)); 3022 unlock_user(p, arg1, 0); 3023 convert_statfs: 3024 if (!is_error(ret)) { 3025 struct target_statfs *target_stfs; 3026 3027 lock_user_struct(target_stfs, arg2, 0); 3028 /* ??? put_user is probably wrong. */ 3029 put_user(stfs.f_type, &target_stfs->f_type); 3030 put_user(stfs.f_bsize, &target_stfs->f_bsize); 3031 put_user(stfs.f_blocks, &target_stfs->f_blocks); 3032 put_user(stfs.f_bfree, &target_stfs->f_bfree); 3033 put_user(stfs.f_bavail, &target_stfs->f_bavail); 3034 put_user(stfs.f_files, &target_stfs->f_files); 3035 put_user(stfs.f_ffree, &target_stfs->f_ffree); 3036 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid); 3037 put_user(stfs.f_namelen, &target_stfs->f_namelen); 3038 unlock_user_struct(target_stfs, arg2, 1); 3039 } 3040 break; 3041 case TARGET_NR_fstatfs: 3042 ret = get_errno(fstatfs(arg1, &stfs)); 3043 goto convert_statfs; 3044 #ifdef TARGET_NR_statfs64 3045 case TARGET_NR_statfs64: 3046 p = lock_user_string(arg1); 3047 ret = get_errno(statfs(path(p), &stfs)); 3048 unlock_user(p, arg1, 0); 3049 convert_statfs64: 3050 if (!is_error(ret)) { 3051 struct target_statfs64 *target_stfs; 3052 3053 lock_user_struct(target_stfs, arg3, 0); 3054 /* ??? put_user is probably wrong. */ 3055 put_user(stfs.f_type, &target_stfs->f_type); 3056 put_user(stfs.f_bsize, &target_stfs->f_bsize); 3057 put_user(stfs.f_blocks, &target_stfs->f_blocks); 3058 put_user(stfs.f_bfree, &target_stfs->f_bfree); 3059 put_user(stfs.f_bavail, &target_stfs->f_bavail); 3060 put_user(stfs.f_files, &target_stfs->f_files); 3061 put_user(stfs.f_ffree, &target_stfs->f_ffree); 3062 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid); 3063 put_user(stfs.f_namelen, &target_stfs->f_namelen); 3064 unlock_user_struct(target_stfs, arg3, 0); 3065 } 3066 break; 3067 case TARGET_NR_fstatfs64: 3068 ret = get_errno(fstatfs(arg1, &stfs)); 3069 goto convert_statfs64; 3070 #endif 3071 #ifdef TARGET_NR_ioperm 3072 case TARGET_NR_ioperm: 3073 goto unimplemented; 3074 #endif 3075 #ifdef TARGET_NR_socketcall 3076 case TARGET_NR_socketcall: 3077 ret = do_socketcall(arg1, arg2); 3078 break; 3079 #endif 3080 #ifdef TARGET_NR_accept 3081 case TARGET_NR_accept: 3082 ret = do_accept(arg1, arg2, arg3); 3083 break; 3084 #endif 3085 #ifdef TARGET_NR_bind 3086 case TARGET_NR_bind: 3087 ret = do_bind(arg1, arg2, arg3); 3088 break; 3089 #endif 3090 #ifdef TARGET_NR_connect 3091 case TARGET_NR_connect: 3092 ret = do_connect(arg1, arg2, arg3); 3093 break; 3094 #endif 3095 #ifdef TARGET_NR_getpeername 3096 case TARGET_NR_getpeername: 3097 ret = do_getpeername(arg1, arg2, arg3); 3098 break; 3099 #endif 3100 #ifdef TARGET_NR_getsockname 3101 case TARGET_NR_getsockname: 3102 ret = do_getsockname(arg1, arg2, arg3); 3103 break; 3104 #endif 3105 #ifdef TARGET_NR_getsockopt 3106 case TARGET_NR_getsockopt: 3107 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); 3108 break; 3109 #endif 3110 #ifdef TARGET_NR_listen 3111 case TARGET_NR_listen: 3112 ret = get_errno(listen(arg1, arg2)); 3113 break; 3114 #endif 3115 #ifdef TARGET_NR_recv 3116 case TARGET_NR_recv: 3117 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); 3118 break; 3119 #endif 3120 #ifdef TARGET_NR_recvfrom 3121 case TARGET_NR_recvfrom: 3122 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); 3123 break; 3124 #endif 3125 #ifdef TARGET_NR_recvmsg 3126 case TARGET_NR_recvmsg: 3127 ret = do_sendrecvmsg(arg1, arg2, arg3, 0); 3128 break; 3129 #endif 3130 #ifdef TARGET_NR_send 3131 case TARGET_NR_send: 3132 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); 3133 break; 3134 #endif 3135 #ifdef TARGET_NR_sendmsg 3136 case TARGET_NR_sendmsg: 3137 ret = do_sendrecvmsg(arg1, arg2, arg3, 1); 3138 break; 3139 #endif 3140 #ifdef TARGET_NR_sendto 3141 case TARGET_NR_sendto: 3142 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); 3143 break; 3144 #endif 3145 #ifdef TARGET_NR_shutdown 3146 case TARGET_NR_shutdown: 3147 ret = get_errno(shutdown(arg1, arg2)); 3148 break; 3149 #endif 3150 #ifdef TARGET_NR_socket 3151 case TARGET_NR_socket: 3152 ret = do_socket(arg1, arg2, arg3); 3153 break; 3154 #endif 3155 #ifdef TARGET_NR_socketpair 3156 case TARGET_NR_socketpair: 3157 ret = do_socketpair(arg1, arg2, arg3, arg4); 3158 break; 3159 #endif 3160 #ifdef TARGET_NR_setsockopt 3161 case TARGET_NR_setsockopt: 3162 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); 3163 break; 3164 #endif 3165 3166 case TARGET_NR_syslog: 3167 p = lock_user_string(arg2); 3168 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); 3169 unlock_user(p, arg2, 0); 3170 break; 3171 3172 case TARGET_NR_setitimer: 3173 { 3174 struct itimerval value, ovalue, *pvalue; 3175 3176 if (arg2) { 3177 pvalue = &value; 3178 target_to_host_timeval(&pvalue->it_interval, 3179 arg2); 3180 target_to_host_timeval(&pvalue->it_value, 3181 arg2 + sizeof(struct target_timeval)); 3182 } else { 3183 pvalue = NULL; 3184 } 3185 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 3186 if (!is_error(ret) && arg3) { 3187 host_to_target_timeval(arg3, 3188 &ovalue.it_interval); 3189 host_to_target_timeval(arg3 + sizeof(struct target_timeval), 3190 &ovalue.it_value); 3191 } 3192 } 3193 break; 3194 case TARGET_NR_getitimer: 3195 { 3196 struct itimerval value; 3197 3198 ret = get_errno(getitimer(arg1, &value)); 3199 if (!is_error(ret) && arg2) { 3200 host_to_target_timeval(arg2, 3201 &value.it_interval); 3202 host_to_target_timeval(arg2 + sizeof(struct target_timeval), 3203 &value.it_value); 3204 } 3205 } 3206 break; 3207 case TARGET_NR_stat: 3208 p = lock_user_string(arg1); 3209 ret = get_errno(stat(path(p), &st)); 3210 unlock_user(p, arg1, 0); 3211 goto do_stat; 3212 case TARGET_NR_lstat: 3213 p = lock_user_string(arg1); 3214 ret = get_errno(lstat(path(p), &st)); 3215 unlock_user(p, arg1, 0); 3216 goto do_stat; 3217 case TARGET_NR_fstat: 3218 { 3219 ret = get_errno(fstat(arg1, &st)); 3220 do_stat: 3221 if (!is_error(ret)) { 3222 struct target_stat *target_st; 3223 3224 lock_user_struct(target_st, arg2, 0); 3225 #if defined(TARGET_MIPS) 3226 target_st->st_dev = tswap32(st.st_dev); 3227 #else 3228 target_st->st_dev = tswap16(st.st_dev); 3229 #endif 3230 target_st->st_ino = tswapl(st.st_ino); 3231 #if defined(TARGET_PPC) || defined(TARGET_MIPS) 3232 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ 3233 target_st->st_uid = tswap32(st.st_uid); 3234 target_st->st_gid = tswap32(st.st_gid); 3235 #else 3236 target_st->st_mode = tswap16(st.st_mode); 3237 target_st->st_uid = tswap16(st.st_uid); 3238 target_st->st_gid = tswap16(st.st_gid); 3239 #endif 3240 #if defined(TARGET_MIPS) 3241 /* If this is the same on PPC, then just merge w/ the above ifdef */ 3242 target_st->st_nlink = tswapl(st.st_nlink); 3243 target_st->st_rdev = tswapl(st.st_rdev); 3244 #else 3245 target_st->st_nlink = tswap16(st.st_nlink); 3246 target_st->st_rdev = tswap16(st.st_rdev); 3247 #endif 3248 target_st->st_size = tswapl(st.st_size); 3249 target_st->st_blksize = tswapl(st.st_blksize); 3250 target_st->st_blocks = tswapl(st.st_blocks); 3251 target_st->target_st_atime = tswapl(st.st_atime); 3252 target_st->target_st_mtime = tswapl(st.st_mtime); 3253 target_st->target_st_ctime = tswapl(st.st_ctime); 3254 unlock_user_struct(target_st, arg2, 1); 3255 } 3256 } 3257 break; 3258 #ifdef TARGET_NR_olduname 3259 case TARGET_NR_olduname: 3260 goto unimplemented; 3261 #endif 3262 #ifdef TARGET_NR_iopl 3263 case TARGET_NR_iopl: 3264 goto unimplemented; 3265 #endif 3266 case TARGET_NR_vhangup: 3267 ret = get_errno(vhangup()); 3268 break; 3269 #ifdef TARGET_NR_idle 3270 case TARGET_NR_idle: 3271 goto unimplemented; 3272 #endif 3273 #ifdef TARGET_NR_syscall 3274 case TARGET_NR_syscall: 3275 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 3276 break; 3277 #endif 3278 case TARGET_NR_wait4: 3279 { 3280 int status; 3281 target_long status_ptr = arg2; 3282 struct rusage rusage, *rusage_ptr; 3283 target_ulong target_rusage = arg4; 3284 if (target_rusage) 3285 rusage_ptr = &rusage; 3286 else 3287 rusage_ptr = NULL; 3288 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 3289 if (!is_error(ret)) { 3290 if (status_ptr) 3291 tputl(status_ptr, status); 3292 if (target_rusage) { 3293 host_to_target_rusage(target_rusage, &rusage); 3294 } 3295 } 3296 } 3297 break; 3298 #ifdef TARGET_NR_swapoff 3299 case TARGET_NR_swapoff: 3300 p = lock_user_string(arg1); 3301 ret = get_errno(swapoff(p)); 3302 unlock_user(p, arg1, 0); 3303 break; 3304 #endif 3305 case TARGET_NR_sysinfo: 3306 { 3307 struct target_sysinfo *target_value; 3308 struct sysinfo value; 3309 ret = get_errno(sysinfo(&value)); 3310 if (!is_error(ret) && arg1) 3311 { 3312 /* ??? __put_user is probably wrong. */ 3313 lock_user_struct(target_value, arg1, 0); 3314 __put_user(value.uptime, &target_value->uptime); 3315 __put_user(value.loads[0], &target_value->loads[0]); 3316 __put_user(value.loads[1], &target_value->loads[1]); 3317 __put_user(value.loads[2], &target_value->loads[2]); 3318 __put_user(value.totalram, &target_value->totalram); 3319 __put_user(value.freeram, &target_value->freeram); 3320 __put_user(value.sharedram, &target_value->sharedram); 3321 __put_user(value.bufferram, &target_value->bufferram); 3322 __put_user(value.totalswap, &target_value->totalswap); 3323 __put_user(value.freeswap, &target_value->freeswap); 3324 __put_user(value.procs, &target_value->procs); 3325 __put_user(value.totalhigh, &target_value->totalhigh); 3326 __put_user(value.freehigh, &target_value->freehigh); 3327 __put_user(value.mem_unit, &target_value->mem_unit); 3328 unlock_user_struct(target_value, arg1, 1); 3329 } 3330 } 3331 break; 3332 #ifdef TARGET_NR_ipc 3333 case TARGET_NR_ipc: 3334 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 3335 break; 3336 #endif 3337 case TARGET_NR_fsync: 3338 ret = get_errno(fsync(arg1)); 3339 break; 3340 case TARGET_NR_clone: 3341 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 3342 break; 3343 #ifdef __NR_exit_group 3344 /* new thread calls */ 3345 case TARGET_NR_exit_group: 3346 gdb_exit(cpu_env, arg1); 3347 ret = get_errno(exit_group(arg1)); 3348 break; 3349 #endif 3350 case TARGET_NR_setdomainname: 3351 p = lock_user_string(arg1); 3352 ret = get_errno(setdomainname(p, arg2)); 3353 unlock_user(p, arg1, 0); 3354 break; 3355 case TARGET_NR_uname: 3356 /* no need to transcode because we use the linux syscall */ 3357 { 3358 struct new_utsname * buf; 3359 3360 lock_user_struct(buf, arg1, 0); 3361 ret = get_errno(sys_uname(buf)); 3362 if (!is_error(ret)) { 3363 /* Overrite the native machine name with whatever is being 3364 emulated. */ 3365 strcpy (buf->machine, UNAME_MACHINE); 3366 /* Allow the user to override the reported release. */ 3367 if (qemu_uname_release && *qemu_uname_release) 3368 strcpy (buf->release, qemu_uname_release); 3369 } 3370 unlock_user_struct(buf, arg1, 1); 3371 } 3372 break; 3373 #ifdef TARGET_I386 3374 case TARGET_NR_modify_ldt: 3375 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3)); 3376 break; 3377 #if !defined(TARGET_X86_64) 3378 case TARGET_NR_vm86old: 3379 goto unimplemented; 3380 case TARGET_NR_vm86: 3381 ret = do_vm86(cpu_env, arg1, arg2); 3382 break; 3383 #endif 3384 #endif 3385 case TARGET_NR_adjtimex: 3386 goto unimplemented; 3387 #ifdef TARGET_NR_create_module 3388 case TARGET_NR_create_module: 3389 #endif 3390 case TARGET_NR_init_module: 3391 case TARGET_NR_delete_module: 3392 #ifdef TARGET_NR_get_kernel_syms 3393 case TARGET_NR_get_kernel_syms: 3394 #endif 3395 goto unimplemented; 3396 case TARGET_NR_quotactl: 3397 goto unimplemented; 3398 case TARGET_NR_getpgid: 3399 ret = get_errno(getpgid(arg1)); 3400 break; 3401 case TARGET_NR_fchdir: 3402 ret = get_errno(fchdir(arg1)); 3403 break; 3404 #ifdef TARGET_NR_bdflush /* not on x86_64 */ 3405 case TARGET_NR_bdflush: 3406 goto unimplemented; 3407 #endif 3408 #ifdef TARGET_NR_sysfs 3409 case TARGET_NR_sysfs: 3410 goto unimplemented; 3411 #endif 3412 case TARGET_NR_personality: 3413 ret = get_errno(personality(arg1)); 3414 break; 3415 #ifdef TARGET_NR_afs_syscall 3416 case TARGET_NR_afs_syscall: 3417 goto unimplemented; 3418 #endif 3419 #ifdef TARGET_NR__llseek /* Not on alpha */ 3420 case TARGET_NR__llseek: 3421 { 3422 #if defined (__x86_64__) 3423 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 3424 tput64(arg4, ret); 3425 #else 3426 int64_t res; 3427 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 3428 tput64(arg4, res); 3429 #endif 3430 } 3431 break; 3432 #endif 3433 case TARGET_NR_getdents: 3434 #if TARGET_LONG_SIZE != 4 3435 goto unimplemented; 3436 #warning not supported 3437 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8 3438 { 3439 struct target_dirent *target_dirp; 3440 struct dirent *dirp; 3441 long count = arg3; 3442 3443 dirp = malloc(count); 3444 if (!dirp) 3445 return -ENOMEM; 3446 3447 ret = get_errno(sys_getdents(arg1, dirp, count)); 3448 if (!is_error(ret)) { 3449 struct dirent *de; 3450 struct target_dirent *tde; 3451 int len = ret; 3452 int reclen, treclen; 3453 int count1, tnamelen; 3454 3455 count1 = 0; 3456 de = dirp; 3457 target_dirp = lock_user(arg2, count, 0); 3458 tde = target_dirp; 3459 while (len > 0) { 3460 reclen = de->d_reclen; 3461 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long))); 3462 tde->d_reclen = tswap16(treclen); 3463 tde->d_ino = tswapl(de->d_ino); 3464 tde->d_off = tswapl(de->d_off); 3465 tnamelen = treclen - (2 * sizeof(target_long) + 2); 3466 if (tnamelen > 256) 3467 tnamelen = 256; 3468 /* XXX: may not be correct */ 3469 strncpy(tde->d_name, de->d_name, tnamelen); 3470 de = (struct dirent *)((char *)de + reclen); 3471 len -= reclen; 3472 tde = (struct target_dirent *)((char *)tde + treclen); 3473 count1 += treclen; 3474 } 3475 ret = count1; 3476 } 3477 unlock_user(target_dirp, arg2, ret); 3478 free(dirp); 3479 } 3480 #else 3481 { 3482 struct dirent *dirp; 3483 long count = arg3; 3484 3485 dirp = lock_user(arg2, count, 0); 3486 ret = get_errno(sys_getdents(arg1, dirp, count)); 3487 if (!is_error(ret)) { 3488 struct dirent *de; 3489 int len = ret; 3490 int reclen; 3491 de = dirp; 3492 while (len > 0) { 3493 reclen = de->d_reclen; 3494 if (reclen > len) 3495 break; 3496 de->d_reclen = tswap16(reclen); 3497 tswapls(&de->d_ino); 3498 tswapls(&de->d_off); 3499 de = (struct dirent *)((char *)de + reclen); 3500 len -= reclen; 3501 } 3502 } 3503 unlock_user(dirp, arg2, ret); 3504 } 3505 #endif 3506 break; 3507 #ifdef TARGET_NR_getdents64 3508 case TARGET_NR_getdents64: 3509 { 3510 struct dirent64 *dirp; 3511 long count = arg3; 3512 dirp = lock_user(arg2, count, 0); 3513 ret = get_errno(sys_getdents64(arg1, dirp, count)); 3514 if (!is_error(ret)) { 3515 struct dirent64 *de; 3516 int len = ret; 3517 int reclen; 3518 de = dirp; 3519 while (len > 0) { 3520 reclen = de->d_reclen; 3521 if (reclen > len) 3522 break; 3523 de->d_reclen = tswap16(reclen); 3524 tswap64s(&de->d_ino); 3525 tswap64s(&de->d_off); 3526 de = (struct dirent64 *)((char *)de + reclen); 3527 len -= reclen; 3528 } 3529 } 3530 unlock_user(dirp, arg2, ret); 3531 } 3532 break; 3533 #endif /* TARGET_NR_getdents64 */ 3534 #ifdef TARGET_NR__newselect 3535 case TARGET_NR__newselect: 3536 ret = do_select(arg1, arg2, arg3, arg4, arg5); 3537 break; 3538 #endif 3539 #ifdef TARGET_NR_poll 3540 case TARGET_NR_poll: 3541 { 3542 struct target_pollfd *target_pfd; 3543 unsigned int nfds = arg2; 3544 int timeout = arg3; 3545 struct pollfd *pfd; 3546 unsigned int i; 3547 3548 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1); 3549 pfd = alloca(sizeof(struct pollfd) * nfds); 3550 for(i = 0; i < nfds; i++) { 3551 pfd[i].fd = tswap32(target_pfd[i].fd); 3552 pfd[i].events = tswap16(target_pfd[i].events); 3553 } 3554 ret = get_errno(poll(pfd, nfds, timeout)); 3555 if (!is_error(ret)) { 3556 for(i = 0; i < nfds; i++) { 3557 target_pfd[i].revents = tswap16(pfd[i].revents); 3558 } 3559 ret += nfds * (sizeof(struct target_pollfd) 3560 - sizeof(struct pollfd)); 3561 } 3562 unlock_user(target_pfd, arg1, ret); 3563 } 3564 break; 3565 #endif 3566 case TARGET_NR_flock: 3567 /* NOTE: the flock constant seems to be the same for every 3568 Linux platform */ 3569 ret = get_errno(flock(arg1, arg2)); 3570 break; 3571 case TARGET_NR_readv: 3572 { 3573 int count = arg3; 3574 struct iovec *vec; 3575 3576 vec = alloca(count * sizeof(struct iovec)); 3577 lock_iovec(vec, arg2, count, 0); 3578 ret = get_errno(readv(arg1, vec, count)); 3579 unlock_iovec(vec, arg2, count, 1); 3580 } 3581 break; 3582 case TARGET_NR_writev: 3583 { 3584 int count = arg3; 3585 struct iovec *vec; 3586 3587 vec = alloca(count * sizeof(struct iovec)); 3588 lock_iovec(vec, arg2, count, 1); 3589 ret = get_errno(writev(arg1, vec, count)); 3590 unlock_iovec(vec, arg2, count, 0); 3591 } 3592 break; 3593 case TARGET_NR_getsid: 3594 ret = get_errno(getsid(arg1)); 3595 break; 3596 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ 3597 case TARGET_NR_fdatasync: 3598 ret = get_errno(fdatasync(arg1)); 3599 break; 3600 #endif 3601 case TARGET_NR__sysctl: 3602 /* We don't implement this, but ENODIR is always a safe 3603 return value. */ 3604 return -ENOTDIR; 3605 case TARGET_NR_sched_setparam: 3606 { 3607 struct sched_param *target_schp; 3608 struct sched_param schp; 3609 3610 lock_user_struct(target_schp, arg2, 1); 3611 schp.sched_priority = tswap32(target_schp->sched_priority); 3612 unlock_user_struct(target_schp, arg2, 0); 3613 ret = get_errno(sched_setparam(arg1, &schp)); 3614 } 3615 break; 3616 case TARGET_NR_sched_getparam: 3617 { 3618 struct sched_param *target_schp; 3619 struct sched_param schp; 3620 ret = get_errno(sched_getparam(arg1, &schp)); 3621 if (!is_error(ret)) { 3622 lock_user_struct(target_schp, arg2, 0); 3623 target_schp->sched_priority = tswap32(schp.sched_priority); 3624 unlock_user_struct(target_schp, arg2, 1); 3625 } 3626 } 3627 break; 3628 case TARGET_NR_sched_setscheduler: 3629 { 3630 struct sched_param *target_schp; 3631 struct sched_param schp; 3632 lock_user_struct(target_schp, arg3, 1); 3633 schp.sched_priority = tswap32(target_schp->sched_priority); 3634 unlock_user_struct(target_schp, arg3, 0); 3635 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 3636 } 3637 break; 3638 case TARGET_NR_sched_getscheduler: 3639 ret = get_errno(sched_getscheduler(arg1)); 3640 break; 3641 case TARGET_NR_sched_yield: 3642 ret = get_errno(sched_yield()); 3643 break; 3644 case TARGET_NR_sched_get_priority_max: 3645 ret = get_errno(sched_get_priority_max(arg1)); 3646 break; 3647 case TARGET_NR_sched_get_priority_min: 3648 ret = get_errno(sched_get_priority_min(arg1)); 3649 break; 3650 case TARGET_NR_sched_rr_get_interval: 3651 { 3652 struct timespec ts; 3653 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 3654 if (!is_error(ret)) { 3655 host_to_target_timespec(arg2, &ts); 3656 } 3657 } 3658 break; 3659 case TARGET_NR_nanosleep: 3660 { 3661 struct timespec req, rem; 3662 target_to_host_timespec(&req, arg1); 3663 ret = get_errno(nanosleep(&req, &rem)); 3664 if (is_error(ret) && arg2) { 3665 host_to_target_timespec(arg2, &rem); 3666 } 3667 } 3668 break; 3669 #ifdef TARGET_NR_query_module 3670 case TARGET_NR_query_module: 3671 goto unimplemented; 3672 #endif 3673 #ifdef TARGET_NR_nfsservctl 3674 case TARGET_NR_nfsservctl: 3675 goto unimplemented; 3676 #endif 3677 case TARGET_NR_prctl: 3678 switch (arg1) 3679 { 3680 case PR_GET_PDEATHSIG: 3681 { 3682 int deathsig; 3683 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); 3684 if (!is_error(ret) && arg2) 3685 tput32(arg2, deathsig); 3686 } 3687 break; 3688 default: 3689 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); 3690 break; 3691 } 3692 break; 3693 #ifdef TARGET_NR_pread 3694 case TARGET_NR_pread: 3695 page_unprotect_range(arg2, arg3); 3696 p = lock_user(arg2, arg3, 0); 3697 ret = get_errno(pread(arg1, p, arg3, arg4)); 3698 unlock_user(p, arg2, ret); 3699 break; 3700 case TARGET_NR_pwrite: 3701 p = lock_user(arg2, arg3, 1); 3702 ret = get_errno(pwrite(arg1, p, arg3, arg4)); 3703 unlock_user(p, arg2, 0); 3704 break; 3705 #endif 3706 case TARGET_NR_getcwd: 3707 p = lock_user(arg1, arg2, 0); 3708 ret = get_errno(sys_getcwd1(p, arg2)); 3709 unlock_user(p, arg1, ret); 3710 break; 3711 case TARGET_NR_capget: 3712 goto unimplemented; 3713 case TARGET_NR_capset: 3714 goto unimplemented; 3715 case TARGET_NR_sigaltstack: 3716 goto unimplemented; 3717 case TARGET_NR_sendfile: 3718 goto unimplemented; 3719 #ifdef TARGET_NR_getpmsg 3720 case TARGET_NR_getpmsg: 3721 goto unimplemented; 3722 #endif 3723 #ifdef TARGET_NR_putpmsg 3724 case TARGET_NR_putpmsg: 3725 goto unimplemented; 3726 #endif 3727 #ifdef TARGET_NR_vfork 3728 case TARGET_NR_vfork: 3729 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 3730 break; 3731 #endif 3732 #ifdef TARGET_NR_ugetrlimit 3733 case TARGET_NR_ugetrlimit: 3734 { 3735 struct rlimit rlim; 3736 ret = get_errno(getrlimit(arg1, &rlim)); 3737 if (!is_error(ret)) { 3738 struct target_rlimit *target_rlim; 3739 lock_user_struct(target_rlim, arg2, 0); 3740 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 3741 target_rlim->rlim_max = tswapl(rlim.rlim_max); 3742 unlock_user_struct(target_rlim, arg2, 1); 3743 } 3744 break; 3745 } 3746 #endif 3747 #ifdef TARGET_NR_truncate64 3748 case TARGET_NR_truncate64: 3749 p = lock_user_string(arg1); 3750 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); 3751 unlock_user(p, arg1, 0); 3752 break; 3753 #endif 3754 #ifdef TARGET_NR_ftruncate64 3755 case TARGET_NR_ftruncate64: 3756 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); 3757 break; 3758 #endif 3759 #ifdef TARGET_NR_stat64 3760 case TARGET_NR_stat64: 3761 p = lock_user_string(arg1); 3762 ret = get_errno(stat(path(p), &st)); 3763 unlock_user(p, arg1, 0); 3764 goto do_stat64; 3765 #endif 3766 #ifdef TARGET_NR_lstat64 3767 case TARGET_NR_lstat64: 3768 p = lock_user_string(arg1); 3769 ret = get_errno(lstat(path(p), &st)); 3770 unlock_user(p, arg1, 0); 3771 goto do_stat64; 3772 #endif 3773 #ifdef TARGET_NR_fstat64 3774 case TARGET_NR_fstat64: 3775 { 3776 ret = get_errno(fstat(arg1, &st)); 3777 do_stat64: 3778 if (!is_error(ret)) { 3779 #ifdef TARGET_ARM 3780 if (((CPUARMState *)cpu_env)->eabi) { 3781 struct target_eabi_stat64 *target_st; 3782 lock_user_struct(target_st, arg2, 1); 3783 memset(target_st, 0, sizeof(struct target_eabi_stat64)); 3784 /* put_user is probably wrong. */ 3785 put_user(st.st_dev, &target_st->st_dev); 3786 put_user(st.st_ino, &target_st->st_ino); 3787 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 3788 put_user(st.st_ino, &target_st->__st_ino); 3789 #endif 3790 put_user(st.st_mode, &target_st->st_mode); 3791 put_user(st.st_nlink, &target_st->st_nlink); 3792 put_user(st.st_uid, &target_st->st_uid); 3793 put_user(st.st_gid, &target_st->st_gid); 3794 put_user(st.st_rdev, &target_st->st_rdev); 3795 /* XXX: better use of kernel struct */ 3796 put_user(st.st_size, &target_st->st_size); 3797 put_user(st.st_blksize, &target_st->st_blksize); 3798 put_user(st.st_blocks, &target_st->st_blocks); 3799 put_user(st.st_atime, &target_st->target_st_atime); 3800 put_user(st.st_mtime, &target_st->target_st_mtime); 3801 put_user(st.st_ctime, &target_st->target_st_ctime); 3802 unlock_user_struct(target_st, arg2, 0); 3803 } else 3804 #endif 3805 { 3806 struct target_stat64 *target_st; 3807 lock_user_struct(target_st, arg2, 1); 3808 memset(target_st, 0, sizeof(struct target_stat64)); 3809 /* ??? put_user is probably wrong. */ 3810 put_user(st.st_dev, &target_st->st_dev); 3811 put_user(st.st_ino, &target_st->st_ino); 3812 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 3813 put_user(st.st_ino, &target_st->__st_ino); 3814 #endif 3815 put_user(st.st_mode, &target_st->st_mode); 3816 put_user(st.st_nlink, &target_st->st_nlink); 3817 put_user(st.st_uid, &target_st->st_uid); 3818 put_user(st.st_gid, &target_st->st_gid); 3819 put_user(st.st_rdev, &target_st->st_rdev); 3820 /* XXX: better use of kernel struct */ 3821 put_user(st.st_size, &target_st->st_size); 3822 put_user(st.st_blksize, &target_st->st_blksize); 3823 put_user(st.st_blocks, &target_st->st_blocks); 3824 put_user(st.st_atime, &target_st->target_st_atime); 3825 put_user(st.st_mtime, &target_st->target_st_mtime); 3826 put_user(st.st_ctime, &target_st->target_st_ctime); 3827 unlock_user_struct(target_st, arg2, 0); 3828 } 3829 } 3830 } 3831 break; 3832 #endif 3833 #ifdef USE_UID16 3834 case TARGET_NR_lchown: 3835 p = lock_user_string(arg1); 3836 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); 3837 unlock_user(p, arg1, 0); 3838 break; 3839 case TARGET_NR_getuid: 3840 ret = get_errno(high2lowuid(getuid())); 3841 break; 3842 case TARGET_NR_getgid: 3843 ret = get_errno(high2lowgid(getgid())); 3844 break; 3845 case TARGET_NR_geteuid: 3846 ret = get_errno(high2lowuid(geteuid())); 3847 break; 3848 case TARGET_NR_getegid: 3849 ret = get_errno(high2lowgid(getegid())); 3850 break; 3851 case TARGET_NR_setreuid: 3852 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 3853 break; 3854 case TARGET_NR_setregid: 3855 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 3856 break; 3857 case TARGET_NR_getgroups: 3858 { 3859 int gidsetsize = arg1; 3860 uint16_t *target_grouplist; 3861 gid_t *grouplist; 3862 int i; 3863 3864 grouplist = alloca(gidsetsize * sizeof(gid_t)); 3865 ret = get_errno(getgroups(gidsetsize, grouplist)); 3866 if (!is_error(ret)) { 3867 target_grouplist = lock_user(arg2, gidsetsize * 2, 0); 3868 for(i = 0;i < gidsetsize; i++) 3869 target_grouplist[i] = tswap16(grouplist[i]); 3870 unlock_user(target_grouplist, arg2, gidsetsize * 2); 3871 } 3872 } 3873 break; 3874 case TARGET_NR_setgroups: 3875 { 3876 int gidsetsize = arg1; 3877 uint16_t *target_grouplist; 3878 gid_t *grouplist; 3879 int i; 3880 3881 grouplist = alloca(gidsetsize * sizeof(gid_t)); 3882 target_grouplist = lock_user(arg2, gidsetsize * 2, 1); 3883 for(i = 0;i < gidsetsize; i++) 3884 grouplist[i] = tswap16(target_grouplist[i]); 3885 unlock_user(target_grouplist, arg2, 0); 3886 ret = get_errno(setgroups(gidsetsize, grouplist)); 3887 } 3888 break; 3889 case TARGET_NR_fchown: 3890 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 3891 break; 3892 #ifdef TARGET_NR_setresuid 3893 case TARGET_NR_setresuid: 3894 ret = get_errno(setresuid(low2highuid(arg1), 3895 low2highuid(arg2), 3896 low2highuid(arg3))); 3897 break; 3898 #endif 3899 #ifdef TARGET_NR_getresuid 3900 case TARGET_NR_getresuid: 3901 { 3902 uid_t ruid, euid, suid; 3903 ret = get_errno(getresuid(&ruid, &euid, &suid)); 3904 if (!is_error(ret)) { 3905 tput16(arg1, tswap16(high2lowuid(ruid))); 3906 tput16(arg2, tswap16(high2lowuid(euid))); 3907 tput16(arg3, tswap16(high2lowuid(suid))); 3908 } 3909 } 3910 break; 3911 #endif 3912 #ifdef TARGET_NR_getresgid 3913 case TARGET_NR_setresgid: 3914 ret = get_errno(setresgid(low2highgid(arg1), 3915 low2highgid(arg2), 3916 low2highgid(arg3))); 3917 break; 3918 #endif 3919 #ifdef TARGET_NR_getresgid 3920 case TARGET_NR_getresgid: 3921 { 3922 gid_t rgid, egid, sgid; 3923 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 3924 if (!is_error(ret)) { 3925 tput16(arg1, tswap16(high2lowgid(rgid))); 3926 tput16(arg2, tswap16(high2lowgid(egid))); 3927 tput16(arg3, tswap16(high2lowgid(sgid))); 3928 } 3929 } 3930 break; 3931 #endif 3932 case TARGET_NR_chown: 3933 p = lock_user_string(arg1); 3934 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); 3935 unlock_user(p, arg1, 0); 3936 break; 3937 case TARGET_NR_setuid: 3938 ret = get_errno(setuid(low2highuid(arg1))); 3939 break; 3940 case TARGET_NR_setgid: 3941 ret = get_errno(setgid(low2highgid(arg1))); 3942 break; 3943 case TARGET_NR_setfsuid: 3944 ret = get_errno(setfsuid(arg1)); 3945 break; 3946 case TARGET_NR_setfsgid: 3947 ret = get_errno(setfsgid(arg1)); 3948 break; 3949 #endif /* USE_UID16 */ 3950 3951 #ifdef TARGET_NR_lchown32 3952 case TARGET_NR_lchown32: 3953 p = lock_user_string(arg1); 3954 ret = get_errno(lchown(p, arg2, arg3)); 3955 unlock_user(p, arg1, 0); 3956 break; 3957 #endif 3958 #ifdef TARGET_NR_getuid32 3959 case TARGET_NR_getuid32: 3960 ret = get_errno(getuid()); 3961 break; 3962 #endif 3963 #ifdef TARGET_NR_getgid32 3964 case TARGET_NR_getgid32: 3965 ret = get_errno(getgid()); 3966 break; 3967 #endif 3968 #ifdef TARGET_NR_geteuid32 3969 case TARGET_NR_geteuid32: 3970 ret = get_errno(geteuid()); 3971 break; 3972 #endif 3973 #ifdef TARGET_NR_getegid32 3974 case TARGET_NR_getegid32: 3975 ret = get_errno(getegid()); 3976 break; 3977 #endif 3978 #ifdef TARGET_NR_setreuid32 3979 case TARGET_NR_setreuid32: 3980 ret = get_errno(setreuid(arg1, arg2)); 3981 break; 3982 #endif 3983 #ifdef TARGET_NR_setregid32 3984 case TARGET_NR_setregid32: 3985 ret = get_errno(setregid(arg1, arg2)); 3986 break; 3987 #endif 3988 #ifdef TARGET_NR_getgroups32 3989 case TARGET_NR_getgroups32: 3990 { 3991 int gidsetsize = arg1; 3992 uint32_t *target_grouplist; 3993 gid_t *grouplist; 3994 int i; 3995 3996 grouplist = alloca(gidsetsize * sizeof(gid_t)); 3997 ret = get_errno(getgroups(gidsetsize, grouplist)); 3998 if (!is_error(ret)) { 3999 target_grouplist = lock_user(arg2, gidsetsize * 4, 0); 4000 for(i = 0;i < gidsetsize; i++) 4001 target_grouplist[i] = tswap32(grouplist[i]); 4002 unlock_user(target_grouplist, arg2, gidsetsize * 4); 4003 } 4004 } 4005 break; 4006 #endif 4007 #ifdef TARGET_NR_setgroups32 4008 case TARGET_NR_setgroups32: 4009 { 4010 int gidsetsize = arg1; 4011 uint32_t *target_grouplist; 4012 gid_t *grouplist; 4013 int i; 4014 4015 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4016 target_grouplist = lock_user(arg2, gidsetsize * 4, 1); 4017 for(i = 0;i < gidsetsize; i++) 4018 grouplist[i] = tswap32(target_grouplist[i]); 4019 unlock_user(target_grouplist, arg2, 0); 4020 ret = get_errno(setgroups(gidsetsize, grouplist)); 4021 } 4022 break; 4023 #endif 4024 #ifdef TARGET_NR_fchown32 4025 case TARGET_NR_fchown32: 4026 ret = get_errno(fchown(arg1, arg2, arg3)); 4027 break; 4028 #endif 4029 #ifdef TARGET_NR_setresuid32 4030 case TARGET_NR_setresuid32: 4031 ret = get_errno(setresuid(arg1, arg2, arg3)); 4032 break; 4033 #endif 4034 #ifdef TARGET_NR_getresuid32 4035 case TARGET_NR_getresuid32: 4036 { 4037 uid_t ruid, euid, suid; 4038 ret = get_errno(getresuid(&ruid, &euid, &suid)); 4039 if (!is_error(ret)) { 4040 tput32(arg1, tswap32(ruid)); 4041 tput32(arg2, tswap32(euid)); 4042 tput32(arg3, tswap32(suid)); 4043 } 4044 } 4045 break; 4046 #endif 4047 #ifdef TARGET_NR_setresgid32 4048 case TARGET_NR_setresgid32: 4049 ret = get_errno(setresgid(arg1, arg2, arg3)); 4050 break; 4051 #endif 4052 #ifdef TARGET_NR_getresgid32 4053 case TARGET_NR_getresgid32: 4054 { 4055 gid_t rgid, egid, sgid; 4056 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 4057 if (!is_error(ret)) { 4058 tput32(arg1, tswap32(rgid)); 4059 tput32(arg2, tswap32(egid)); 4060 tput32(arg3, tswap32(sgid)); 4061 } 4062 } 4063 break; 4064 #endif 4065 #ifdef TARGET_NR_chown32 4066 case TARGET_NR_chown32: 4067 p = lock_user_string(arg1); 4068 ret = get_errno(chown(p, arg2, arg3)); 4069 unlock_user(p, arg1, 0); 4070 break; 4071 #endif 4072 #ifdef TARGET_NR_setuid32 4073 case TARGET_NR_setuid32: 4074 ret = get_errno(setuid(arg1)); 4075 break; 4076 #endif 4077 #ifdef TARGET_NR_setgid32 4078 case TARGET_NR_setgid32: 4079 ret = get_errno(setgid(arg1)); 4080 break; 4081 #endif 4082 #ifdef TARGET_NR_setfsuid32 4083 case TARGET_NR_setfsuid32: 4084 ret = get_errno(setfsuid(arg1)); 4085 break; 4086 #endif 4087 #ifdef TARGET_NR_setfsgid32 4088 case TARGET_NR_setfsgid32: 4089 ret = get_errno(setfsgid(arg1)); 4090 break; 4091 #endif 4092 4093 case TARGET_NR_pivot_root: 4094 goto unimplemented; 4095 #ifdef TARGET_NR_mincore 4096 case TARGET_NR_mincore: 4097 goto unimplemented; 4098 #endif 4099 #ifdef TARGET_NR_madvise 4100 case TARGET_NR_madvise: 4101 /* A straight passthrough may not be safe because qemu sometimes 4102 turns private flie-backed mappings into anonymous mappings. 4103 This will break MADV_DONTNEED. 4104 This is a hint, so ignoring and returning success is ok. */ 4105 ret = get_errno(0); 4106 break; 4107 #endif 4108 #if TARGET_LONG_BITS == 32 4109 case TARGET_NR_fcntl64: 4110 { 4111 int cmd; 4112 struct flock64 fl; 4113 struct target_flock64 *target_fl; 4114 #ifdef TARGET_ARM 4115 struct target_eabi_flock64 *target_efl; 4116 #endif 4117 4118 switch(arg2){ 4119 case TARGET_F_GETLK64: 4120 cmd = F_GETLK64; 4121 break; 4122 case TARGET_F_SETLK64: 4123 cmd = F_SETLK64; 4124 break; 4125 case TARGET_F_SETLKW64: 4126 cmd = F_SETLK64; 4127 break; 4128 default: 4129 cmd = arg2; 4130 break; 4131 } 4132 4133 switch(arg2) { 4134 case TARGET_F_GETLK64: 4135 #ifdef TARGET_ARM 4136 if (((CPUARMState *)cpu_env)->eabi) { 4137 lock_user_struct(target_efl, arg3, 1); 4138 fl.l_type = tswap16(target_efl->l_type); 4139 fl.l_whence = tswap16(target_efl->l_whence); 4140 fl.l_start = tswap64(target_efl->l_start); 4141 fl.l_len = tswap64(target_efl->l_len); 4142 fl.l_pid = tswapl(target_efl->l_pid); 4143 unlock_user_struct(target_efl, arg3, 0); 4144 } else 4145 #endif 4146 { 4147 lock_user_struct(target_fl, arg3, 1); 4148 fl.l_type = tswap16(target_fl->l_type); 4149 fl.l_whence = tswap16(target_fl->l_whence); 4150 fl.l_start = tswap64(target_fl->l_start); 4151 fl.l_len = tswap64(target_fl->l_len); 4152 fl.l_pid = tswapl(target_fl->l_pid); 4153 unlock_user_struct(target_fl, arg3, 0); 4154 } 4155 ret = get_errno(fcntl(arg1, cmd, &fl)); 4156 if (ret == 0) { 4157 #ifdef TARGET_ARM 4158 if (((CPUARMState *)cpu_env)->eabi) { 4159 lock_user_struct(target_efl, arg3, 0); 4160 target_efl->l_type = tswap16(fl.l_type); 4161 target_efl->l_whence = tswap16(fl.l_whence); 4162 target_efl->l_start = tswap64(fl.l_start); 4163 target_efl->l_len = tswap64(fl.l_len); 4164 target_efl->l_pid = tswapl(fl.l_pid); 4165 unlock_user_struct(target_efl, arg3, 1); 4166 } else 4167 #endif 4168 { 4169 lock_user_struct(target_fl, arg3, 0); 4170 target_fl->l_type = tswap16(fl.l_type); 4171 target_fl->l_whence = tswap16(fl.l_whence); 4172 target_fl->l_start = tswap64(fl.l_start); 4173 target_fl->l_len = tswap64(fl.l_len); 4174 target_fl->l_pid = tswapl(fl.l_pid); 4175 unlock_user_struct(target_fl, arg3, 1); 4176 } 4177 } 4178 break; 4179 4180 case TARGET_F_SETLK64: 4181 case TARGET_F_SETLKW64: 4182 #ifdef TARGET_ARM 4183 if (((CPUARMState *)cpu_env)->eabi) { 4184 lock_user_struct(target_efl, arg3, 1); 4185 fl.l_type = tswap16(target_efl->l_type); 4186 fl.l_whence = tswap16(target_efl->l_whence); 4187 fl.l_start = tswap64(target_efl->l_start); 4188 fl.l_len = tswap64(target_efl->l_len); 4189 fl.l_pid = tswapl(target_efl->l_pid); 4190 unlock_user_struct(target_efl, arg3, 0); 4191 } else 4192 #endif 4193 { 4194 lock_user_struct(target_fl, arg3, 1); 4195 fl.l_type = tswap16(target_fl->l_type); 4196 fl.l_whence = tswap16(target_fl->l_whence); 4197 fl.l_start = tswap64(target_fl->l_start); 4198 fl.l_len = tswap64(target_fl->l_len); 4199 fl.l_pid = tswapl(target_fl->l_pid); 4200 unlock_user_struct(target_fl, arg3, 0); 4201 } 4202 ret = get_errno(fcntl(arg1, cmd, &fl)); 4203 break; 4204 default: 4205 ret = get_errno(do_fcntl(arg1, cmd, arg3)); 4206 break; 4207 } 4208 break; 4209 } 4210 #endif 4211 #ifdef TARGET_NR_cacheflush 4212 case TARGET_NR_cacheflush: 4213 /* self-modifying code is handled automatically, so nothing needed */ 4214 ret = 0; 4215 break; 4216 #endif 4217 #ifdef TARGET_NR_security 4218 case TARGET_NR_security: 4219 goto unimplemented; 4220 #endif 4221 #ifdef TARGET_NR_getpagesize 4222 case TARGET_NR_getpagesize: 4223 ret = TARGET_PAGE_SIZE; 4224 break; 4225 #endif 4226 case TARGET_NR_gettid: 4227 ret = get_errno(gettid()); 4228 break; 4229 #ifdef TARGET_NR_readahead 4230 case TARGET_NR_readahead: 4231 goto unimplemented; 4232 #endif 4233 #ifdef TARGET_NR_setxattr 4234 case TARGET_NR_setxattr: 4235 case TARGET_NR_lsetxattr: 4236 case TARGET_NR_fsetxattr: 4237 case TARGET_NR_getxattr: 4238 case TARGET_NR_lgetxattr: 4239 case TARGET_NR_fgetxattr: 4240 case TARGET_NR_listxattr: 4241 case TARGET_NR_llistxattr: 4242 case TARGET_NR_flistxattr: 4243 case TARGET_NR_removexattr: 4244 case TARGET_NR_lremovexattr: 4245 case TARGET_NR_fremovexattr: 4246 goto unimplemented_nowarn; 4247 #endif 4248 #ifdef TARGET_NR_set_thread_area 4249 case TARGET_NR_set_thread_area: 4250 #ifdef TARGET_MIPS 4251 ((CPUMIPSState *) cpu_env)->tls_value = arg1; 4252 ret = 0; 4253 break; 4254 #else 4255 goto unimplemented_nowarn; 4256 #endif 4257 #endif 4258 #ifdef TARGET_NR_get_thread_area 4259 case TARGET_NR_get_thread_area: 4260 goto unimplemented_nowarn; 4261 #endif 4262 #ifdef TARGET_NR_getdomainname 4263 case TARGET_NR_getdomainname: 4264 goto unimplemented_nowarn; 4265 #endif 4266 4267 #ifdef TARGET_NR_clock_gettime 4268 case TARGET_NR_clock_gettime: 4269 { 4270 struct timespec ts; 4271 ret = get_errno(clock_gettime(arg1, &ts)); 4272 if (!is_error(ret)) { 4273 host_to_target_timespec(arg2, &ts); 4274 } 4275 break; 4276 } 4277 #endif 4278 #ifdef TARGET_NR_clock_getres 4279 case TARGET_NR_clock_getres: 4280 { 4281 struct timespec ts; 4282 ret = get_errno(clock_getres(arg1, &ts)); 4283 if (!is_error(ret)) { 4284 host_to_target_timespec(arg2, &ts); 4285 } 4286 break; 4287 } 4288 #endif 4289 4290 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) 4291 case TARGET_NR_set_tid_address: 4292 ret = get_errno(set_tid_address((int *) arg1)); 4293 break; 4294 #endif 4295 4296 default: 4297 unimplemented: 4298 gemu_log("qemu: Unsupported syscall: %d\n", num); 4299 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) 4300 unimplemented_nowarn: 4301 #endif 4302 ret = -ENOSYS; 4303 break; 4304 } 4305 fail: 4306 #ifdef DEBUG 4307 gemu_log(" = %ld\n", ret); 4308 #endif 4309 return ret; 4310 } 4311 4312