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 struct target_ipc_perm 1234 { 1235 target_long __key; 1236 target_ulong uid; 1237 target_ulong gid; 1238 target_ulong cuid; 1239 target_ulong cgid; 1240 unsigned short int mode; 1241 unsigned short int __pad1; 1242 unsigned short int __seq; 1243 unsigned short int __pad2; 1244 target_ulong __unused1; 1245 target_ulong __unused2; 1246 }; 1247 1248 struct target_semid_ds 1249 { 1250 struct target_ipc_perm sem_perm; 1251 target_ulong sem_otime; 1252 target_ulong __unused1; 1253 target_ulong sem_ctime; 1254 target_ulong __unused2; 1255 target_ulong sem_nsems; 1256 target_ulong __unused3; 1257 target_ulong __unused4; 1258 }; 1259 1260 static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip, 1261 target_ulong target_addr) 1262 { 1263 struct target_ipc_perm *target_ip; 1264 struct target_semid_ds *target_sd; 1265 1266 lock_user_struct(target_sd, target_addr, 1); 1267 target_ip=&(target_sd->sem_perm); 1268 host_ip->__key = tswapl(target_ip->__key); 1269 host_ip->uid = tswapl(target_ip->uid); 1270 host_ip->gid = tswapl(target_ip->gid); 1271 host_ip->cuid = tswapl(target_ip->cuid); 1272 host_ip->cgid = tswapl(target_ip->cgid); 1273 host_ip->mode = tswapl(target_ip->mode); 1274 unlock_user_struct(target_sd, target_addr, 0); 1275 } 1276 1277 static inline void host_to_target_ipc_perm(target_ulong target_addr, 1278 struct ipc_perm *host_ip) 1279 { 1280 struct target_ipc_perm *target_ip; 1281 struct target_semid_ds *target_sd; 1282 1283 lock_user_struct(target_sd, target_addr, 0); 1284 target_ip = &(target_sd->sem_perm); 1285 target_ip->__key = tswapl(host_ip->__key); 1286 target_ip->uid = tswapl(host_ip->uid); 1287 target_ip->gid = tswapl(host_ip->gid); 1288 target_ip->cuid = tswapl(host_ip->cuid); 1289 target_ip->cgid = tswapl(host_ip->cgid); 1290 target_ip->mode = tswapl(host_ip->mode); 1291 unlock_user_struct(target_sd, target_addr, 1); 1292 } 1293 1294 static inline void target_to_host_semid_ds(struct semid_ds *host_sd, 1295 target_ulong target_addr) 1296 { 1297 struct target_semid_ds *target_sd; 1298 1299 lock_user_struct(target_sd, target_addr, 1); 1300 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr); 1301 host_sd->sem_nsems = tswapl(target_sd->sem_nsems); 1302 host_sd->sem_otime = tswapl(target_sd->sem_otime); 1303 host_sd->sem_ctime = tswapl(target_sd->sem_ctime); 1304 unlock_user_struct(target_sd, target_addr, 0); 1305 } 1306 1307 static inline void host_to_target_semid_ds(target_ulong target_addr, 1308 struct semid_ds *host_sd) 1309 { 1310 struct target_semid_ds *target_sd; 1311 1312 lock_user_struct(target_sd, target_addr, 0); 1313 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)); 1314 target_sd->sem_nsems = tswapl(host_sd->sem_nsems); 1315 target_sd->sem_otime = tswapl(host_sd->sem_otime); 1316 target_sd->sem_ctime = tswapl(host_sd->sem_ctime); 1317 unlock_user_struct(target_sd, target_addr, 1); 1318 } 1319 1320 union semun { 1321 int val; 1322 struct semid_ds *buf; 1323 unsigned short *array; 1324 }; 1325 1326 union target_semun { 1327 int val; 1328 target_long buf; 1329 unsigned short int *array; 1330 }; 1331 1332 static inline void target_to_host_semun(unsigned long cmd, 1333 union semun *host_su, 1334 target_ulong target_addr, 1335 struct semid_ds *ds) 1336 { 1337 union target_semun *target_su; 1338 1339 switch( cmd ) { 1340 case IPC_STAT: 1341 case IPC_SET: 1342 lock_user_struct(target_su, target_addr, 1); 1343 target_to_host_semid_ds(ds,target_su->buf); 1344 host_su->buf = ds; 1345 unlock_user_struct(target_su, target_addr, 0); 1346 break; 1347 case GETVAL: 1348 case SETVAL: 1349 lock_user_struct(target_su, target_addr, 1); 1350 host_su->val = tswapl(target_su->val); 1351 unlock_user_struct(target_su, target_addr, 0); 1352 break; 1353 case GETALL: 1354 case SETALL: 1355 lock_user_struct(target_su, target_addr, 1); 1356 *host_su->array = tswap16(*target_su->array); 1357 unlock_user_struct(target_su, target_addr, 0); 1358 break; 1359 default: 1360 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1361 } 1362 } 1363 1364 static inline void host_to_target_semun(unsigned long cmd, 1365 target_ulong target_addr, 1366 union semun *host_su, 1367 struct semid_ds *ds) 1368 { 1369 union target_semun *target_su; 1370 1371 switch( cmd ) { 1372 case IPC_STAT: 1373 case IPC_SET: 1374 lock_user_struct(target_su, target_addr, 0); 1375 host_to_target_semid_ds(target_su->buf,ds); 1376 unlock_user_struct(target_su, target_addr, 1); 1377 break; 1378 case GETVAL: 1379 case SETVAL: 1380 lock_user_struct(target_su, target_addr, 0); 1381 target_su->val = tswapl(host_su->val); 1382 unlock_user_struct(target_su, target_addr, 1); 1383 break; 1384 case GETALL: 1385 case SETALL: 1386 lock_user_struct(target_su, target_addr, 0); 1387 *target_su->array = tswap16(*host_su->array); 1388 unlock_user_struct(target_su, target_addr, 1); 1389 break; 1390 default: 1391 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1392 } 1393 } 1394 1395 static inline long do_semctl(long first, long second, long third, long ptr) 1396 { 1397 union semun arg; 1398 struct semid_ds dsarg; 1399 int cmd = third&0xff; 1400 long ret = 0; 1401 1402 switch( cmd ) { 1403 case GETVAL: 1404 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1405 ret = get_errno(semctl(first, second, cmd, arg)); 1406 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1407 break; 1408 case SETVAL: 1409 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1410 ret = get_errno(semctl(first, second, cmd, arg)); 1411 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1412 break; 1413 case GETALL: 1414 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1415 ret = get_errno(semctl(first, second, cmd, arg)); 1416 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1417 break; 1418 case SETALL: 1419 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1420 ret = get_errno(semctl(first, second, cmd, arg)); 1421 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1422 break; 1423 case IPC_STAT: 1424 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1425 ret = get_errno(semctl(first, second, cmd, arg)); 1426 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1427 break; 1428 case IPC_SET: 1429 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1430 ret = get_errno(semctl(first, second, cmd, arg)); 1431 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1432 break; 1433 default: 1434 ret = get_errno(semctl(first, second, cmd, arg)); 1435 } 1436 1437 return ret; 1438 } 1439 1440 struct target_msqid_ds 1441 { 1442 struct target_ipc_perm msg_perm; 1443 target_ulong msg_stime; 1444 target_ulong __unused1; 1445 target_ulong msg_rtime; 1446 target_ulong __unused2; 1447 target_ulong msg_ctime; 1448 target_ulong __unused3; 1449 target_ulong __msg_cbytes; 1450 target_ulong msg_qnum; 1451 target_ulong msg_qbytes; 1452 target_ulong msg_lspid; 1453 target_ulong msg_lrpid; 1454 target_ulong __unused4; 1455 target_ulong __unused5; 1456 }; 1457 1458 static inline void target_to_host_msqid_ds(struct msqid_ds *host_md, 1459 target_ulong target_addr) 1460 { 1461 struct target_msqid_ds *target_md; 1462 1463 lock_user_struct(target_md, target_addr, 1); 1464 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr); 1465 host_md->msg_stime = tswapl(target_md->msg_stime); 1466 host_md->msg_rtime = tswapl(target_md->msg_rtime); 1467 host_md->msg_ctime = tswapl(target_md->msg_ctime); 1468 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes); 1469 host_md->msg_qnum = tswapl(target_md->msg_qnum); 1470 host_md->msg_qbytes = tswapl(target_md->msg_qbytes); 1471 host_md->msg_lspid = tswapl(target_md->msg_lspid); 1472 host_md->msg_lrpid = tswapl(target_md->msg_lrpid); 1473 unlock_user_struct(target_md, target_addr, 0); 1474 } 1475 1476 static inline void host_to_target_msqid_ds(target_ulong target_addr, 1477 struct msqid_ds *host_md) 1478 { 1479 struct target_msqid_ds *target_md; 1480 1481 lock_user_struct(target_md, target_addr, 0); 1482 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)); 1483 target_md->msg_stime = tswapl(host_md->msg_stime); 1484 target_md->msg_rtime = tswapl(host_md->msg_rtime); 1485 target_md->msg_ctime = tswapl(host_md->msg_ctime); 1486 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes); 1487 target_md->msg_qnum = tswapl(host_md->msg_qnum); 1488 target_md->msg_qbytes = tswapl(host_md->msg_qbytes); 1489 target_md->msg_lspid = tswapl(host_md->msg_lspid); 1490 target_md->msg_lrpid = tswapl(host_md->msg_lrpid); 1491 unlock_user_struct(target_md, target_addr, 1); 1492 } 1493 1494 static inline long do_msgctl(long first, long second, long ptr) 1495 { 1496 struct msqid_ds dsarg; 1497 int cmd = second&0xff; 1498 long ret = 0; 1499 switch( cmd ) { 1500 case IPC_STAT: 1501 case IPC_SET: 1502 target_to_host_msqid_ds(&dsarg,ptr); 1503 ret = get_errno(msgctl(first, cmd, &dsarg)); 1504 host_to_target_msqid_ds(ptr,&dsarg); 1505 default: 1506 ret = get_errno(msgctl(first, cmd, &dsarg)); 1507 } 1508 return ret; 1509 } 1510 1511 struct target_msgbuf { 1512 target_ulong mtype; 1513 char mtext[1]; 1514 }; 1515 1516 static inline long do_msgsnd(long msqid, long msgp, long msgsz, long msgflg) 1517 { 1518 struct target_msgbuf *target_mb; 1519 struct msgbuf *host_mb; 1520 long ret = 0; 1521 1522 lock_user_struct(target_mb,msgp,0); 1523 host_mb = malloc(msgsz+sizeof(long)); 1524 host_mb->mtype = tswapl(target_mb->mtype); 1525 memcpy(host_mb->mtext,target_mb->mtext,msgsz); 1526 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); 1527 free(host_mb); 1528 unlock_user_struct(target_mb, msgp, 0); 1529 1530 return ret; 1531 } 1532 1533 static inline long do_msgrcv(long msqid, long msgp, long msgsz, long msgtype, long msgflg) 1534 { 1535 struct target_msgbuf *target_mb; 1536 struct msgbuf *host_mb; 1537 long ret = 0; 1538 1539 lock_user_struct(target_mb, msgp, 0); 1540 host_mb = malloc(msgsz+sizeof(long)); 1541 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg)); 1542 if (ret > 0) 1543 memcpy(target_mb->mtext, host_mb->mtext, ret); 1544 target_mb->mtype = tswapl(host_mb->mtype); 1545 free(host_mb); 1546 unlock_user_struct(target_mb, msgp, 0); 1547 1548 return ret; 1549 } 1550 1551 /* ??? This only works with linear mappings. */ 1552 static long do_ipc(long call, long first, long second, long third, 1553 long ptr, long fifth) 1554 { 1555 int version; 1556 long ret = 0; 1557 unsigned long raddr; 1558 struct shmid_ds shm_info; 1559 int i; 1560 1561 version = call >> 16; 1562 call &= 0xffff; 1563 1564 switch (call) { 1565 case IPCOP_semop: 1566 ret = get_errno(semop(first,(struct sembuf *) ptr, second)); 1567 break; 1568 1569 case IPCOP_semget: 1570 ret = get_errno(semget(first, second, third)); 1571 break; 1572 1573 case IPCOP_semctl: 1574 ret = do_semctl(first, second, third, ptr); 1575 break; 1576 1577 case IPCOP_semtimedop: 1578 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version); 1579 ret = -ENOSYS; 1580 break; 1581 1582 case IPCOP_msgget: 1583 ret = get_errno(msgget(first, second)); 1584 break; 1585 1586 case IPCOP_msgsnd: 1587 ret = do_msgsnd(first, ptr, second, third); 1588 break; 1589 1590 case IPCOP_msgctl: 1591 ret = do_msgctl(first, second, ptr); 1592 break; 1593 1594 case IPCOP_msgrcv: 1595 { 1596 struct ipc_kludge 1597 { 1598 void *__unbounded msgp; 1599 long int msgtyp; 1600 }; 1601 1602 struct ipc_kludge *foo = (struct ipc_kludge *) ptr; 1603 struct msgbuf *msgp = (struct msgbuf *) foo->msgp; 1604 1605 ret = do_msgrcv(first, (long)msgp, second, 0, third); 1606 1607 } 1608 break; 1609 1610 case IPCOP_shmat: 1611 /* SHM_* flags are the same on all linux platforms */ 1612 ret = get_errno((long) shmat(first, (void *) ptr, second)); 1613 if (is_error(ret)) 1614 break; 1615 raddr = ret; 1616 /* find out the length of the shared memory segment */ 1617 1618 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 1619 if (is_error(ret)) { 1620 /* can't get length, bail out */ 1621 shmdt((void *) raddr); 1622 break; 1623 } 1624 page_set_flags(raddr, raddr + shm_info.shm_segsz, 1625 PAGE_VALID | PAGE_READ | 1626 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 1627 for (i = 0; i < N_SHM_REGIONS; ++i) { 1628 if (shm_regions[i].start == 0) { 1629 shm_regions[i].start = raddr; 1630 shm_regions[i].size = shm_info.shm_segsz; 1631 break; 1632 } 1633 } 1634 if (put_user(raddr, (uint32_t *)third)) 1635 return -EFAULT; 1636 ret = 0; 1637 break; 1638 case IPCOP_shmdt: 1639 for (i = 0; i < N_SHM_REGIONS; ++i) { 1640 if (shm_regions[i].start == ptr) { 1641 shm_regions[i].start = 0; 1642 page_set_flags(ptr, shm_regions[i].size, 0); 1643 break; 1644 } 1645 } 1646 ret = get_errno(shmdt((void *) ptr)); 1647 break; 1648 1649 case IPCOP_shmget: 1650 /* IPC_* flag values are the same on all linux platforms */ 1651 ret = get_errno(shmget(first, second, third)); 1652 break; 1653 1654 /* IPC_* and SHM_* command values are the same on all linux platforms */ 1655 case IPCOP_shmctl: 1656 switch(second) { 1657 case IPC_RMID: 1658 case SHM_LOCK: 1659 case SHM_UNLOCK: 1660 ret = get_errno(shmctl(first, second, NULL)); 1661 break; 1662 default: 1663 goto unimplemented; 1664 } 1665 break; 1666 default: 1667 unimplemented: 1668 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version); 1669 ret = -ENOSYS; 1670 break; 1671 } 1672 return ret; 1673 } 1674 1675 /* kernel structure types definitions */ 1676 #define IFNAMSIZ 16 1677 1678 #define STRUCT(name, list...) STRUCT_ ## name, 1679 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 1680 enum { 1681 #include "syscall_types.h" 1682 }; 1683 #undef STRUCT 1684 #undef STRUCT_SPECIAL 1685 1686 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 1687 #define STRUCT_SPECIAL(name) 1688 #include "syscall_types.h" 1689 #undef STRUCT 1690 #undef STRUCT_SPECIAL 1691 1692 typedef struct IOCTLEntry { 1693 unsigned int target_cmd; 1694 unsigned int host_cmd; 1695 const char *name; 1696 int access; 1697 const argtype arg_type[5]; 1698 } IOCTLEntry; 1699 1700 #define IOC_R 0x0001 1701 #define IOC_W 0x0002 1702 #define IOC_RW (IOC_R | IOC_W) 1703 1704 #define MAX_STRUCT_SIZE 4096 1705 1706 IOCTLEntry ioctl_entries[] = { 1707 #define IOCTL(cmd, access, types...) \ 1708 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 1709 #include "ioctls.h" 1710 { 0, 0, }, 1711 }; 1712 1713 /* ??? Implement proper locking for ioctls. */ 1714 static long do_ioctl(long fd, long cmd, long arg) 1715 { 1716 const IOCTLEntry *ie; 1717 const argtype *arg_type; 1718 long ret; 1719 uint8_t buf_temp[MAX_STRUCT_SIZE]; 1720 int target_size; 1721 void *argptr; 1722 1723 ie = ioctl_entries; 1724 for(;;) { 1725 if (ie->target_cmd == 0) { 1726 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); 1727 return -ENOSYS; 1728 } 1729 if (ie->target_cmd == cmd) 1730 break; 1731 ie++; 1732 } 1733 arg_type = ie->arg_type; 1734 #if defined(DEBUG) 1735 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); 1736 #endif 1737 switch(arg_type[0]) { 1738 case TYPE_NULL: 1739 /* no argument */ 1740 ret = get_errno(ioctl(fd, ie->host_cmd)); 1741 break; 1742 case TYPE_PTRVOID: 1743 case TYPE_INT: 1744 /* int argment */ 1745 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 1746 break; 1747 case TYPE_PTR: 1748 arg_type++; 1749 target_size = thunk_type_size(arg_type, 0); 1750 switch(ie->access) { 1751 case IOC_R: 1752 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1753 if (!is_error(ret)) { 1754 argptr = lock_user(arg, target_size, 0); 1755 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 1756 unlock_user(argptr, arg, target_size); 1757 } 1758 break; 1759 case IOC_W: 1760 argptr = lock_user(arg, target_size, 1); 1761 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 1762 unlock_user(argptr, arg, 0); 1763 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1764 break; 1765 default: 1766 case IOC_RW: 1767 argptr = lock_user(arg, target_size, 1); 1768 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 1769 unlock_user(argptr, arg, 0); 1770 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1771 if (!is_error(ret)) { 1772 argptr = lock_user(arg, target_size, 0); 1773 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 1774 unlock_user(argptr, arg, target_size); 1775 } 1776 break; 1777 } 1778 break; 1779 default: 1780 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); 1781 ret = -ENOSYS; 1782 break; 1783 } 1784 return ret; 1785 } 1786 1787 bitmask_transtbl iflag_tbl[] = { 1788 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 1789 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 1790 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 1791 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 1792 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 1793 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 1794 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 1795 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 1796 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 1797 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 1798 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 1799 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 1800 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 1801 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 1802 { 0, 0, 0, 0 } 1803 }; 1804 1805 bitmask_transtbl oflag_tbl[] = { 1806 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 1807 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 1808 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 1809 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 1810 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 1811 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 1812 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 1813 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 1814 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 1815 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 1816 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 1817 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 1818 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 1819 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 1820 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 1821 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 1822 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 1823 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 1824 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 1825 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 1826 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 1827 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 1828 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 1829 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 1830 { 0, 0, 0, 0 } 1831 }; 1832 1833 bitmask_transtbl cflag_tbl[] = { 1834 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 1835 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 1836 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 1837 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 1838 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 1839 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 1840 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 1841 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 1842 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 1843 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 1844 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 1845 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 1846 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 1847 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 1848 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 1849 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 1850 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 1851 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 1852 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 1853 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 1854 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 1855 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 1856 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 1857 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 1858 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 1859 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 1860 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 1861 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 1862 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 1863 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 1864 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 1865 { 0, 0, 0, 0 } 1866 }; 1867 1868 bitmask_transtbl lflag_tbl[] = { 1869 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 1870 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 1871 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 1872 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 1873 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 1874 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 1875 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 1876 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 1877 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 1878 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 1879 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 1880 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 1881 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 1882 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 1883 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 1884 { 0, 0, 0, 0 } 1885 }; 1886 1887 static void target_to_host_termios (void *dst, const void *src) 1888 { 1889 struct host_termios *host = dst; 1890 const struct target_termios *target = src; 1891 1892 host->c_iflag = 1893 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 1894 host->c_oflag = 1895 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 1896 host->c_cflag = 1897 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 1898 host->c_lflag = 1899 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 1900 host->c_line = target->c_line; 1901 1902 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 1903 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 1904 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 1905 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 1906 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 1907 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 1908 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 1909 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 1910 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 1911 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 1912 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 1913 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 1914 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 1915 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 1916 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 1917 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 1918 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 1919 } 1920 1921 static void host_to_target_termios (void *dst, const void *src) 1922 { 1923 struct target_termios *target = dst; 1924 const struct host_termios *host = src; 1925 1926 target->c_iflag = 1927 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 1928 target->c_oflag = 1929 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 1930 target->c_cflag = 1931 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 1932 target->c_lflag = 1933 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 1934 target->c_line = host->c_line; 1935 1936 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 1937 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 1938 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 1939 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 1940 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 1941 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 1942 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 1943 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 1944 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 1945 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 1946 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 1947 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 1948 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 1949 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 1950 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 1951 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 1952 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 1953 } 1954 1955 StructEntry struct_termios_def = { 1956 .convert = { host_to_target_termios, target_to_host_termios }, 1957 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 1958 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 1959 }; 1960 1961 static bitmask_transtbl mmap_flags_tbl[] = { 1962 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 1963 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 1964 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 1965 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 1966 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 1967 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 1968 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 1969 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 1970 { 0, 0, 0, 0 } 1971 }; 1972 1973 static bitmask_transtbl fcntl_flags_tbl[] = { 1974 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 1975 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 1976 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 1977 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 1978 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 1979 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 1980 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 1981 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 1982 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 1983 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 1984 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 1985 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 1986 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 1987 #if defined(O_DIRECT) 1988 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 1989 #endif 1990 { 0, 0, 0, 0 } 1991 }; 1992 1993 #if defined(TARGET_I386) 1994 1995 /* NOTE: there is really one LDT for all the threads */ 1996 uint8_t *ldt_table; 1997 1998 static int read_ldt(target_ulong ptr, unsigned long bytecount) 1999 { 2000 int size; 2001 void *p; 2002 2003 if (!ldt_table) 2004 return 0; 2005 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 2006 if (size > bytecount) 2007 size = bytecount; 2008 p = lock_user(ptr, size, 0); 2009 /* ??? Shoudl this by byteswapped? */ 2010 memcpy(p, ldt_table, size); 2011 unlock_user(p, ptr, size); 2012 return size; 2013 } 2014 2015 /* XXX: add locking support */ 2016 static int write_ldt(CPUX86State *env, 2017 target_ulong ptr, unsigned long bytecount, int oldmode) 2018 { 2019 struct target_modify_ldt_ldt_s ldt_info; 2020 struct target_modify_ldt_ldt_s *target_ldt_info; 2021 int seg_32bit, contents, read_exec_only, limit_in_pages; 2022 int seg_not_present, useable; 2023 uint32_t *lp, entry_1, entry_2; 2024 2025 if (bytecount != sizeof(ldt_info)) 2026 return -EINVAL; 2027 lock_user_struct(target_ldt_info, ptr, 1); 2028 ldt_info.entry_number = tswap32(target_ldt_info->entry_number); 2029 ldt_info.base_addr = tswapl(target_ldt_info->base_addr); 2030 ldt_info.limit = tswap32(target_ldt_info->limit); 2031 ldt_info.flags = tswap32(target_ldt_info->flags); 2032 unlock_user_struct(target_ldt_info, ptr, 0); 2033 2034 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 2035 return -EINVAL; 2036 seg_32bit = ldt_info.flags & 1; 2037 contents = (ldt_info.flags >> 1) & 3; 2038 read_exec_only = (ldt_info.flags >> 3) & 1; 2039 limit_in_pages = (ldt_info.flags >> 4) & 1; 2040 seg_not_present = (ldt_info.flags >> 5) & 1; 2041 useable = (ldt_info.flags >> 6) & 1; 2042 2043 if (contents == 3) { 2044 if (oldmode) 2045 return -EINVAL; 2046 if (seg_not_present == 0) 2047 return -EINVAL; 2048 } 2049 /* allocate the LDT */ 2050 if (!ldt_table) { 2051 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2052 if (!ldt_table) 2053 return -ENOMEM; 2054 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2055 env->ldt.base = h2g(ldt_table); 2056 env->ldt.limit = 0xffff; 2057 } 2058 2059 /* NOTE: same code as Linux kernel */ 2060 /* Allow LDTs to be cleared by the user. */ 2061 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 2062 if (oldmode || 2063 (contents == 0 && 2064 read_exec_only == 1 && 2065 seg_32bit == 0 && 2066 limit_in_pages == 0 && 2067 seg_not_present == 1 && 2068 useable == 0 )) { 2069 entry_1 = 0; 2070 entry_2 = 0; 2071 goto install; 2072 } 2073 } 2074 2075 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 2076 (ldt_info.limit & 0x0ffff); 2077 entry_2 = (ldt_info.base_addr & 0xff000000) | 2078 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 2079 (ldt_info.limit & 0xf0000) | 2080 ((read_exec_only ^ 1) << 9) | 2081 (contents << 10) | 2082 ((seg_not_present ^ 1) << 15) | 2083 (seg_32bit << 22) | 2084 (limit_in_pages << 23) | 2085 0x7000; 2086 if (!oldmode) 2087 entry_2 |= (useable << 20); 2088 2089 /* Install the new entry ... */ 2090 install: 2091 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 2092 lp[0] = tswap32(entry_1); 2093 lp[1] = tswap32(entry_2); 2094 return 0; 2095 } 2096 2097 /* specific and weird i386 syscalls */ 2098 int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount) 2099 { 2100 int ret = -ENOSYS; 2101 2102 switch (func) { 2103 case 0: 2104 ret = read_ldt(ptr, bytecount); 2105 break; 2106 case 1: 2107 ret = write_ldt(env, ptr, bytecount, 1); 2108 break; 2109 case 0x11: 2110 ret = write_ldt(env, ptr, bytecount, 0); 2111 break; 2112 } 2113 return ret; 2114 } 2115 2116 #endif /* defined(TARGET_I386) */ 2117 2118 /* this stack is the equivalent of the kernel stack associated with a 2119 thread/process */ 2120 #define NEW_STACK_SIZE 8192 2121 2122 static int clone_func(void *arg) 2123 { 2124 CPUState *env = arg; 2125 cpu_loop(env); 2126 /* never exits */ 2127 return 0; 2128 } 2129 2130 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp) 2131 { 2132 int ret; 2133 TaskState *ts; 2134 uint8_t *new_stack; 2135 CPUState *new_env; 2136 2137 if (flags & CLONE_VM) { 2138 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 2139 memset(ts, 0, sizeof(TaskState)); 2140 new_stack = ts->stack; 2141 ts->used = 1; 2142 /* add in task state list */ 2143 ts->next = first_task_state; 2144 first_task_state = ts; 2145 /* we create a new CPU instance. */ 2146 new_env = cpu_copy(env); 2147 #if defined(TARGET_I386) 2148 if (!newsp) 2149 newsp = env->regs[R_ESP]; 2150 new_env->regs[R_ESP] = newsp; 2151 new_env->regs[R_EAX] = 0; 2152 #elif defined(TARGET_ARM) 2153 if (!newsp) 2154 newsp = env->regs[13]; 2155 new_env->regs[13] = newsp; 2156 new_env->regs[0] = 0; 2157 #elif defined(TARGET_SPARC) 2158 if (!newsp) 2159 newsp = env->regwptr[22]; 2160 new_env->regwptr[22] = newsp; 2161 new_env->regwptr[0] = 0; 2162 /* XXXXX */ 2163 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 2164 #elif defined(TARGET_M68K) 2165 if (!newsp) 2166 newsp = env->aregs[7]; 2167 new_env->aregs[7] = newsp; 2168 new_env->dregs[0] = 0; 2169 /* ??? is this sufficient? */ 2170 #elif defined(TARGET_MIPS) 2171 if (!newsp) 2172 newsp = env->gpr[29]; 2173 new_env->gpr[29] = newsp; 2174 #elif defined(TARGET_PPC) 2175 if (!newsp) 2176 newsp = env->gpr[1]; 2177 new_env->gpr[1] = newsp; 2178 { 2179 int i; 2180 for (i = 7; i < 32; i++) 2181 new_env->gpr[i] = 0; 2182 } 2183 #elif defined(TARGET_SH4) 2184 if (!newsp) 2185 newsp = env->gregs[15]; 2186 new_env->gregs[15] = newsp; 2187 /* XXXXX */ 2188 #elif defined(TARGET_ALPHA) 2189 if (!newsp) 2190 newsp = env->ir[30]; 2191 new_env->ir[30] = newsp; 2192 /* ? */ 2193 { 2194 int i; 2195 for (i = 7; i < 30; i++) 2196 new_env->ir[i] = 0; 2197 } 2198 #else 2199 #error unsupported target CPU 2200 #endif 2201 new_env->opaque = ts; 2202 #ifdef __ia64__ 2203 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2204 #else 2205 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2206 #endif 2207 } else { 2208 /* if no CLONE_VM, we consider it is a fork */ 2209 if ((flags & ~CSIGNAL) != 0) 2210 return -EINVAL; 2211 ret = fork(); 2212 } 2213 return ret; 2214 } 2215 2216 static long do_fcntl(int fd, int cmd, target_ulong arg) 2217 { 2218 struct flock fl; 2219 struct target_flock *target_fl; 2220 struct flock64 fl64; 2221 struct target_flock64 *target_fl64; 2222 long ret; 2223 2224 switch(cmd) { 2225 case TARGET_F_GETLK: 2226 lock_user_struct(target_fl, arg, 1); 2227 fl.l_type = tswap16(target_fl->l_type); 2228 fl.l_whence = tswap16(target_fl->l_whence); 2229 fl.l_start = tswapl(target_fl->l_start); 2230 fl.l_len = tswapl(target_fl->l_len); 2231 fl.l_pid = tswapl(target_fl->l_pid); 2232 unlock_user_struct(target_fl, arg, 0); 2233 ret = fcntl(fd, cmd, &fl); 2234 if (ret == 0) { 2235 lock_user_struct(target_fl, arg, 0); 2236 target_fl->l_type = tswap16(fl.l_type); 2237 target_fl->l_whence = tswap16(fl.l_whence); 2238 target_fl->l_start = tswapl(fl.l_start); 2239 target_fl->l_len = tswapl(fl.l_len); 2240 target_fl->l_pid = tswapl(fl.l_pid); 2241 unlock_user_struct(target_fl, arg, 1); 2242 } 2243 break; 2244 2245 case TARGET_F_SETLK: 2246 case TARGET_F_SETLKW: 2247 lock_user_struct(target_fl, arg, 1); 2248 fl.l_type = tswap16(target_fl->l_type); 2249 fl.l_whence = tswap16(target_fl->l_whence); 2250 fl.l_start = tswapl(target_fl->l_start); 2251 fl.l_len = tswapl(target_fl->l_len); 2252 fl.l_pid = tswapl(target_fl->l_pid); 2253 unlock_user_struct(target_fl, arg, 0); 2254 ret = fcntl(fd, cmd, &fl); 2255 break; 2256 2257 case TARGET_F_GETLK64: 2258 lock_user_struct(target_fl64, arg, 1); 2259 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2260 fl64.l_whence = tswap16(target_fl64->l_whence); 2261 fl64.l_start = tswapl(target_fl64->l_start); 2262 fl64.l_len = tswapl(target_fl64->l_len); 2263 fl64.l_pid = tswap16(target_fl64->l_pid); 2264 unlock_user_struct(target_fl64, arg, 0); 2265 ret = fcntl(fd, cmd >> 1, &fl64); 2266 if (ret == 0) { 2267 lock_user_struct(target_fl64, arg, 0); 2268 target_fl64->l_type = tswap16(fl64.l_type) >> 1; 2269 target_fl64->l_whence = tswap16(fl64.l_whence); 2270 target_fl64->l_start = tswapl(fl64.l_start); 2271 target_fl64->l_len = tswapl(fl64.l_len); 2272 target_fl64->l_pid = tswapl(fl64.l_pid); 2273 unlock_user_struct(target_fl64, arg, 1); 2274 } 2275 break; 2276 case TARGET_F_SETLK64: 2277 case TARGET_F_SETLKW64: 2278 lock_user_struct(target_fl64, arg, 1); 2279 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2280 fl64.l_whence = tswap16(target_fl64->l_whence); 2281 fl64.l_start = tswapl(target_fl64->l_start); 2282 fl64.l_len = tswapl(target_fl64->l_len); 2283 fl64.l_pid = tswap16(target_fl64->l_pid); 2284 unlock_user_struct(target_fl64, arg, 0); 2285 ret = fcntl(fd, cmd >> 1, &fl64); 2286 break; 2287 2288 case F_GETFL: 2289 ret = fcntl(fd, cmd, arg); 2290 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 2291 break; 2292 2293 case F_SETFL: 2294 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)); 2295 break; 2296 2297 default: 2298 ret = fcntl(fd, cmd, arg); 2299 break; 2300 } 2301 return ret; 2302 } 2303 2304 #ifdef USE_UID16 2305 2306 static inline int high2lowuid(int uid) 2307 { 2308 if (uid > 65535) 2309 return 65534; 2310 else 2311 return uid; 2312 } 2313 2314 static inline int high2lowgid(int gid) 2315 { 2316 if (gid > 65535) 2317 return 65534; 2318 else 2319 return gid; 2320 } 2321 2322 static inline int low2highuid(int uid) 2323 { 2324 if ((int16_t)uid == -1) 2325 return -1; 2326 else 2327 return uid; 2328 } 2329 2330 static inline int low2highgid(int gid) 2331 { 2332 if ((int16_t)gid == -1) 2333 return -1; 2334 else 2335 return gid; 2336 } 2337 2338 #endif /* USE_UID16 */ 2339 2340 void syscall_init(void) 2341 { 2342 IOCTLEntry *ie; 2343 const argtype *arg_type; 2344 int size; 2345 2346 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 2347 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 2348 #include "syscall_types.h" 2349 #undef STRUCT 2350 #undef STRUCT_SPECIAL 2351 2352 /* we patch the ioctl size if necessary. We rely on the fact that 2353 no ioctl has all the bits at '1' in the size field */ 2354 ie = ioctl_entries; 2355 while (ie->target_cmd != 0) { 2356 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 2357 TARGET_IOC_SIZEMASK) { 2358 arg_type = ie->arg_type; 2359 if (arg_type[0] != TYPE_PTR) { 2360 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 2361 ie->target_cmd); 2362 exit(1); 2363 } 2364 arg_type++; 2365 size = thunk_type_size(arg_type, 0); 2366 ie->target_cmd = (ie->target_cmd & 2367 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 2368 (size << TARGET_IOC_SIZESHIFT); 2369 } 2370 /* automatic consistency check if same arch */ 2371 #if defined(__i386__) && defined(TARGET_I386) 2372 if (ie->target_cmd != ie->host_cmd) { 2373 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 2374 ie->target_cmd, ie->host_cmd); 2375 } 2376 #endif 2377 ie++; 2378 } 2379 } 2380 2381 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) 2382 { 2383 #ifdef TARGET_WORDS_BIG_ENDIAN 2384 return ((uint64_t)word0 << 32) | word1; 2385 #else 2386 return ((uint64_t)word1 << 32) | word0; 2387 #endif 2388 } 2389 2390 #ifdef TARGET_NR_truncate64 2391 static inline long target_truncate64(void *cpu_env, const char *arg1, 2392 long arg2, long arg3, long arg4) 2393 { 2394 #ifdef TARGET_ARM 2395 if (((CPUARMState *)cpu_env)->eabi) 2396 { 2397 arg2 = arg3; 2398 arg3 = arg4; 2399 } 2400 #endif 2401 return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); 2402 } 2403 #endif 2404 2405 #ifdef TARGET_NR_ftruncate64 2406 static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2, 2407 long arg3, long arg4) 2408 { 2409 #ifdef TARGET_ARM 2410 if (((CPUARMState *)cpu_env)->eabi) 2411 { 2412 arg2 = arg3; 2413 arg3 = arg4; 2414 } 2415 #endif 2416 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); 2417 } 2418 #endif 2419 2420 static inline void target_to_host_timespec(struct timespec *host_ts, 2421 target_ulong target_addr) 2422 { 2423 struct target_timespec *target_ts; 2424 2425 lock_user_struct(target_ts, target_addr, 1); 2426 host_ts->tv_sec = tswapl(target_ts->tv_sec); 2427 host_ts->tv_nsec = tswapl(target_ts->tv_nsec); 2428 unlock_user_struct(target_ts, target_addr, 0); 2429 } 2430 2431 static inline void host_to_target_timespec(target_ulong target_addr, 2432 struct timespec *host_ts) 2433 { 2434 struct target_timespec *target_ts; 2435 2436 lock_user_struct(target_ts, target_addr, 0); 2437 target_ts->tv_sec = tswapl(host_ts->tv_sec); 2438 target_ts->tv_nsec = tswapl(host_ts->tv_nsec); 2439 unlock_user_struct(target_ts, target_addr, 1); 2440 } 2441 2442 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 2443 long arg4, long arg5, long arg6) 2444 { 2445 long ret; 2446 struct stat st; 2447 struct statfs stfs; 2448 void *p; 2449 2450 #ifdef DEBUG 2451 gemu_log("syscall %d", num); 2452 #endif 2453 switch(num) { 2454 case TARGET_NR_exit: 2455 #ifdef HAVE_GPROF 2456 _mcleanup(); 2457 #endif 2458 gdb_exit(cpu_env, arg1); 2459 /* XXX: should free thread stack and CPU env */ 2460 _exit(arg1); 2461 ret = 0; /* avoid warning */ 2462 break; 2463 case TARGET_NR_read: 2464 page_unprotect_range(arg2, arg3); 2465 p = lock_user(arg2, arg3, 0); 2466 ret = get_errno(read(arg1, p, arg3)); 2467 unlock_user(p, arg2, ret); 2468 break; 2469 case TARGET_NR_write: 2470 p = lock_user(arg2, arg3, 1); 2471 ret = get_errno(write(arg1, p, arg3)); 2472 unlock_user(p, arg2, 0); 2473 break; 2474 case TARGET_NR_open: 2475 p = lock_user_string(arg1); 2476 ret = get_errno(open(path(p), 2477 target_to_host_bitmask(arg2, fcntl_flags_tbl), 2478 arg3)); 2479 unlock_user(p, arg1, 0); 2480 break; 2481 case TARGET_NR_close: 2482 ret = get_errno(close(arg1)); 2483 break; 2484 case TARGET_NR_brk: 2485 ret = do_brk(arg1); 2486 break; 2487 case TARGET_NR_fork: 2488 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 2489 break; 2490 #ifdef TARGET_NR_waitpid 2491 case TARGET_NR_waitpid: 2492 { 2493 int status; 2494 ret = get_errno(waitpid(arg1, &status, arg3)); 2495 if (!is_error(ret) && arg2) 2496 tput32(arg2, status); 2497 } 2498 break; 2499 #endif 2500 #ifdef TARGET_NR_creat /* not on alpha */ 2501 case TARGET_NR_creat: 2502 p = lock_user_string(arg1); 2503 ret = get_errno(creat(p, arg2)); 2504 unlock_user(p, arg1, 0); 2505 break; 2506 #endif 2507 case TARGET_NR_link: 2508 { 2509 void * p2; 2510 p = lock_user_string(arg1); 2511 p2 = lock_user_string(arg2); 2512 ret = get_errno(link(p, p2)); 2513 unlock_user(p2, arg2, 0); 2514 unlock_user(p, arg1, 0); 2515 } 2516 break; 2517 case TARGET_NR_unlink: 2518 p = lock_user_string(arg1); 2519 ret = get_errno(unlink(p)); 2520 unlock_user(p, arg1, 0); 2521 break; 2522 case TARGET_NR_execve: 2523 { 2524 char **argp, **envp; 2525 int argc, envc; 2526 target_ulong gp; 2527 target_ulong guest_argp; 2528 target_ulong guest_envp; 2529 target_ulong addr; 2530 char **q; 2531 2532 argc = 0; 2533 guest_argp = arg2; 2534 for (gp = guest_argp; tgetl(gp); gp++) 2535 argc++; 2536 envc = 0; 2537 guest_envp = arg3; 2538 for (gp = guest_envp; tgetl(gp); gp++) 2539 envc++; 2540 2541 argp = alloca((argc + 1) * sizeof(void *)); 2542 envp = alloca((envc + 1) * sizeof(void *)); 2543 2544 for (gp = guest_argp, q = argp; ; 2545 gp += sizeof(target_ulong), q++) { 2546 addr = tgetl(gp); 2547 if (!addr) 2548 break; 2549 *q = lock_user_string(addr); 2550 } 2551 *q = NULL; 2552 2553 for (gp = guest_envp, q = envp; ; 2554 gp += sizeof(target_ulong), q++) { 2555 addr = tgetl(gp); 2556 if (!addr) 2557 break; 2558 *q = lock_user_string(addr); 2559 } 2560 *q = NULL; 2561 2562 p = lock_user_string(arg1); 2563 ret = get_errno(execve(p, argp, envp)); 2564 unlock_user(p, arg1, 0); 2565 2566 for (gp = guest_argp, q = argp; *q; 2567 gp += sizeof(target_ulong), q++) { 2568 addr = tgetl(gp); 2569 unlock_user(*q, addr, 0); 2570 } 2571 for (gp = guest_envp, q = envp; *q; 2572 gp += sizeof(target_ulong), q++) { 2573 addr = tgetl(gp); 2574 unlock_user(*q, addr, 0); 2575 } 2576 } 2577 break; 2578 case TARGET_NR_chdir: 2579 p = lock_user_string(arg1); 2580 ret = get_errno(chdir(p)); 2581 unlock_user(p, arg1, 0); 2582 break; 2583 #ifdef TARGET_NR_time 2584 case TARGET_NR_time: 2585 { 2586 time_t host_time; 2587 ret = get_errno(time(&host_time)); 2588 if (!is_error(ret) && arg1) 2589 tputl(arg1, host_time); 2590 } 2591 break; 2592 #endif 2593 case TARGET_NR_mknod: 2594 p = lock_user_string(arg1); 2595 ret = get_errno(mknod(p, arg2, arg3)); 2596 unlock_user(p, arg1, 0); 2597 break; 2598 case TARGET_NR_chmod: 2599 p = lock_user_string(arg1); 2600 ret = get_errno(chmod(p, arg2)); 2601 unlock_user(p, arg1, 0); 2602 break; 2603 #ifdef TARGET_NR_break 2604 case TARGET_NR_break: 2605 goto unimplemented; 2606 #endif 2607 #ifdef TARGET_NR_oldstat 2608 case TARGET_NR_oldstat: 2609 goto unimplemented; 2610 #endif 2611 case TARGET_NR_lseek: 2612 ret = get_errno(lseek(arg1, arg2, arg3)); 2613 break; 2614 #ifdef TARGET_NR_getxpid 2615 case TARGET_NR_getxpid: 2616 #else 2617 case TARGET_NR_getpid: 2618 #endif 2619 ret = get_errno(getpid()); 2620 break; 2621 case TARGET_NR_mount: 2622 { 2623 /* need to look at the data field */ 2624 void *p2, *p3; 2625 p = lock_user_string(arg1); 2626 p2 = lock_user_string(arg2); 2627 p3 = lock_user_string(arg3); 2628 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5)); 2629 unlock_user(p, arg1, 0); 2630 unlock_user(p2, arg2, 0); 2631 unlock_user(p3, arg3, 0); 2632 break; 2633 } 2634 #ifdef TARGET_NR_umount 2635 case TARGET_NR_umount: 2636 p = lock_user_string(arg1); 2637 ret = get_errno(umount(p)); 2638 unlock_user(p, arg1, 0); 2639 break; 2640 #endif 2641 #ifdef TARGET_NR_stime /* not on alpha */ 2642 case TARGET_NR_stime: 2643 { 2644 time_t host_time; 2645 host_time = tgetl(arg1); 2646 ret = get_errno(stime(&host_time)); 2647 } 2648 break; 2649 #endif 2650 case TARGET_NR_ptrace: 2651 goto unimplemented; 2652 #ifdef TARGET_NR_alarm /* not on alpha */ 2653 case TARGET_NR_alarm: 2654 ret = alarm(arg1); 2655 break; 2656 #endif 2657 #ifdef TARGET_NR_oldfstat 2658 case TARGET_NR_oldfstat: 2659 goto unimplemented; 2660 #endif 2661 #ifdef TARGET_NR_pause /* not on alpha */ 2662 case TARGET_NR_pause: 2663 ret = get_errno(pause()); 2664 break; 2665 #endif 2666 #ifdef TARGET_NR_utime 2667 case TARGET_NR_utime: 2668 { 2669 struct utimbuf tbuf, *host_tbuf; 2670 struct target_utimbuf *target_tbuf; 2671 if (arg2) { 2672 lock_user_struct(target_tbuf, arg2, 1); 2673 tbuf.actime = tswapl(target_tbuf->actime); 2674 tbuf.modtime = tswapl(target_tbuf->modtime); 2675 unlock_user_struct(target_tbuf, arg2, 0); 2676 host_tbuf = &tbuf; 2677 } else { 2678 host_tbuf = NULL; 2679 } 2680 p = lock_user_string(arg1); 2681 ret = get_errno(utime(p, host_tbuf)); 2682 unlock_user(p, arg1, 0); 2683 } 2684 break; 2685 #endif 2686 case TARGET_NR_utimes: 2687 { 2688 struct timeval *tvp, tv[2]; 2689 if (arg2) { 2690 target_to_host_timeval(&tv[0], arg2); 2691 target_to_host_timeval(&tv[1], 2692 arg2 + sizeof (struct target_timeval)); 2693 tvp = tv; 2694 } else { 2695 tvp = NULL; 2696 } 2697 p = lock_user_string(arg1); 2698 ret = get_errno(utimes(p, tvp)); 2699 unlock_user(p, arg1, 0); 2700 } 2701 break; 2702 #ifdef TARGET_NR_stty 2703 case TARGET_NR_stty: 2704 goto unimplemented; 2705 #endif 2706 #ifdef TARGET_NR_gtty 2707 case TARGET_NR_gtty: 2708 goto unimplemented; 2709 #endif 2710 case TARGET_NR_access: 2711 p = lock_user_string(arg1); 2712 ret = get_errno(access(p, arg2)); 2713 unlock_user(p, arg1, 0); 2714 break; 2715 #ifdef TARGET_NR_nice /* not on alpha */ 2716 case TARGET_NR_nice: 2717 ret = get_errno(nice(arg1)); 2718 break; 2719 #endif 2720 #ifdef TARGET_NR_ftime 2721 case TARGET_NR_ftime: 2722 goto unimplemented; 2723 #endif 2724 case TARGET_NR_sync: 2725 sync(); 2726 ret = 0; 2727 break; 2728 case TARGET_NR_kill: 2729 ret = get_errno(kill(arg1, arg2)); 2730 break; 2731 case TARGET_NR_rename: 2732 { 2733 void *p2; 2734 p = lock_user_string(arg1); 2735 p2 = lock_user_string(arg2); 2736 ret = get_errno(rename(p, p2)); 2737 unlock_user(p2, arg2, 0); 2738 unlock_user(p, arg1, 0); 2739 } 2740 break; 2741 case TARGET_NR_mkdir: 2742 p = lock_user_string(arg1); 2743 ret = get_errno(mkdir(p, arg2)); 2744 unlock_user(p, arg1, 0); 2745 break; 2746 case TARGET_NR_rmdir: 2747 p = lock_user_string(arg1); 2748 ret = get_errno(rmdir(p)); 2749 unlock_user(p, arg1, 0); 2750 break; 2751 case TARGET_NR_dup: 2752 ret = get_errno(dup(arg1)); 2753 break; 2754 case TARGET_NR_pipe: 2755 { 2756 int host_pipe[2]; 2757 ret = get_errno(pipe(host_pipe)); 2758 if (!is_error(ret)) { 2759 #if defined(TARGET_MIPS) 2760 ((CPUMIPSState*)cpu_env)->gpr[3] = host_pipe[1]; 2761 ret = host_pipe[0]; 2762 #else 2763 tput32(arg1, host_pipe[0]); 2764 tput32(arg1 + 4, host_pipe[1]); 2765 #endif 2766 } 2767 } 2768 break; 2769 case TARGET_NR_times: 2770 { 2771 struct target_tms *tmsp; 2772 struct tms tms; 2773 ret = get_errno(times(&tms)); 2774 if (arg1) { 2775 tmsp = lock_user(arg1, sizeof(struct target_tms), 0); 2776 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 2777 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 2778 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 2779 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 2780 } 2781 if (!is_error(ret)) 2782 ret = host_to_target_clock_t(ret); 2783 } 2784 break; 2785 #ifdef TARGET_NR_prof 2786 case TARGET_NR_prof: 2787 goto unimplemented; 2788 #endif 2789 #ifdef TARGET_NR_signal 2790 case TARGET_NR_signal: 2791 goto unimplemented; 2792 #endif 2793 case TARGET_NR_acct: 2794 p = lock_user_string(arg1); 2795 ret = get_errno(acct(path(p))); 2796 unlock_user(p, arg1, 0); 2797 break; 2798 #ifdef TARGET_NR_umount2 /* not on alpha */ 2799 case TARGET_NR_umount2: 2800 p = lock_user_string(arg1); 2801 ret = get_errno(umount2(p, arg2)); 2802 unlock_user(p, arg1, 0); 2803 break; 2804 #endif 2805 #ifdef TARGET_NR_lock 2806 case TARGET_NR_lock: 2807 goto unimplemented; 2808 #endif 2809 case TARGET_NR_ioctl: 2810 ret = do_ioctl(arg1, arg2, arg3); 2811 break; 2812 case TARGET_NR_fcntl: 2813 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 2814 break; 2815 #ifdef TARGET_NR_mpx 2816 case TARGET_NR_mpx: 2817 goto unimplemented; 2818 #endif 2819 case TARGET_NR_setpgid: 2820 ret = get_errno(setpgid(arg1, arg2)); 2821 break; 2822 #ifdef TARGET_NR_ulimit 2823 case TARGET_NR_ulimit: 2824 goto unimplemented; 2825 #endif 2826 #ifdef TARGET_NR_oldolduname 2827 case TARGET_NR_oldolduname: 2828 goto unimplemented; 2829 #endif 2830 case TARGET_NR_umask: 2831 ret = get_errno(umask(arg1)); 2832 break; 2833 case TARGET_NR_chroot: 2834 p = lock_user_string(arg1); 2835 ret = get_errno(chroot(p)); 2836 unlock_user(p, arg1, 0); 2837 break; 2838 case TARGET_NR_ustat: 2839 goto unimplemented; 2840 case TARGET_NR_dup2: 2841 ret = get_errno(dup2(arg1, arg2)); 2842 break; 2843 #ifdef TARGET_NR_getppid /* not on alpha */ 2844 case TARGET_NR_getppid: 2845 ret = get_errno(getppid()); 2846 break; 2847 #endif 2848 case TARGET_NR_getpgrp: 2849 ret = get_errno(getpgrp()); 2850 break; 2851 case TARGET_NR_setsid: 2852 ret = get_errno(setsid()); 2853 break; 2854 #ifdef TARGET_NR_sigaction 2855 case TARGET_NR_sigaction: 2856 { 2857 #if !defined(TARGET_MIPS) 2858 struct target_old_sigaction *old_act; 2859 struct target_sigaction act, oact, *pact; 2860 if (arg2) { 2861 lock_user_struct(old_act, arg2, 1); 2862 act._sa_handler = old_act->_sa_handler; 2863 target_siginitset(&act.sa_mask, old_act->sa_mask); 2864 act.sa_flags = old_act->sa_flags; 2865 act.sa_restorer = old_act->sa_restorer; 2866 unlock_user_struct(old_act, arg2, 0); 2867 pact = &act; 2868 } else { 2869 pact = NULL; 2870 } 2871 ret = get_errno(do_sigaction(arg1, pact, &oact)); 2872 if (!is_error(ret) && arg3) { 2873 lock_user_struct(old_act, arg3, 0); 2874 old_act->_sa_handler = oact._sa_handler; 2875 old_act->sa_mask = oact.sa_mask.sig[0]; 2876 old_act->sa_flags = oact.sa_flags; 2877 old_act->sa_restorer = oact.sa_restorer; 2878 unlock_user_struct(old_act, arg3, 1); 2879 } 2880 #else 2881 struct target_sigaction act, oact, *pact, *old_act; 2882 2883 if (arg2) { 2884 lock_user_struct(old_act, arg2, 1); 2885 act._sa_handler = old_act->_sa_handler; 2886 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); 2887 act.sa_flags = old_act->sa_flags; 2888 unlock_user_struct(old_act, arg2, 0); 2889 pact = &act; 2890 } else { 2891 pact = NULL; 2892 } 2893 2894 ret = get_errno(do_sigaction(arg1, pact, &oact)); 2895 2896 if (!is_error(ret) && arg3) { 2897 lock_user_struct(old_act, arg3, 0); 2898 old_act->_sa_handler = oact._sa_handler; 2899 old_act->sa_flags = oact.sa_flags; 2900 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; 2901 old_act->sa_mask.sig[1] = 0; 2902 old_act->sa_mask.sig[2] = 0; 2903 old_act->sa_mask.sig[3] = 0; 2904 unlock_user_struct(old_act, arg3, 1); 2905 } 2906 #endif 2907 } 2908 break; 2909 #endif 2910 case TARGET_NR_rt_sigaction: 2911 { 2912 struct target_sigaction *act; 2913 struct target_sigaction *oact; 2914 2915 if (arg2) 2916 lock_user_struct(act, arg2, 1); 2917 else 2918 act = NULL; 2919 if (arg3) 2920 lock_user_struct(oact, arg3, 0); 2921 else 2922 oact = NULL; 2923 ret = get_errno(do_sigaction(arg1, act, oact)); 2924 if (arg2) 2925 unlock_user_struct(act, arg2, 0); 2926 if (arg3) 2927 unlock_user_struct(oact, arg3, 1); 2928 } 2929 break; 2930 #ifdef TARGET_NR_sgetmask /* not on alpha */ 2931 case TARGET_NR_sgetmask: 2932 { 2933 sigset_t cur_set; 2934 target_ulong target_set; 2935 sigprocmask(0, NULL, &cur_set); 2936 host_to_target_old_sigset(&target_set, &cur_set); 2937 ret = target_set; 2938 } 2939 break; 2940 #endif 2941 #ifdef TARGET_NR_ssetmask /* not on alpha */ 2942 case TARGET_NR_ssetmask: 2943 { 2944 sigset_t set, oset, cur_set; 2945 target_ulong target_set = arg1; 2946 sigprocmask(0, NULL, &cur_set); 2947 target_to_host_old_sigset(&set, &target_set); 2948 sigorset(&set, &set, &cur_set); 2949 sigprocmask(SIG_SETMASK, &set, &oset); 2950 host_to_target_old_sigset(&target_set, &oset); 2951 ret = target_set; 2952 } 2953 break; 2954 #endif 2955 #ifdef TARGET_NR_sigprocmask 2956 case TARGET_NR_sigprocmask: 2957 { 2958 int how = arg1; 2959 sigset_t set, oldset, *set_ptr; 2960 2961 if (arg2) { 2962 switch(how) { 2963 case TARGET_SIG_BLOCK: 2964 how = SIG_BLOCK; 2965 break; 2966 case TARGET_SIG_UNBLOCK: 2967 how = SIG_UNBLOCK; 2968 break; 2969 case TARGET_SIG_SETMASK: 2970 how = SIG_SETMASK; 2971 break; 2972 default: 2973 ret = -EINVAL; 2974 goto fail; 2975 } 2976 p = lock_user(arg2, sizeof(target_sigset_t), 1); 2977 target_to_host_old_sigset(&set, p); 2978 unlock_user(p, arg2, 0); 2979 set_ptr = &set; 2980 } else { 2981 how = 0; 2982 set_ptr = NULL; 2983 } 2984 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 2985 if (!is_error(ret) && arg3) { 2986 p = lock_user(arg3, sizeof(target_sigset_t), 0); 2987 host_to_target_old_sigset(p, &oldset); 2988 unlock_user(p, arg3, sizeof(target_sigset_t)); 2989 } 2990 } 2991 break; 2992 #endif 2993 case TARGET_NR_rt_sigprocmask: 2994 { 2995 int how = arg1; 2996 sigset_t set, oldset, *set_ptr; 2997 2998 if (arg2) { 2999 switch(how) { 3000 case TARGET_SIG_BLOCK: 3001 how = SIG_BLOCK; 3002 break; 3003 case TARGET_SIG_UNBLOCK: 3004 how = SIG_UNBLOCK; 3005 break; 3006 case TARGET_SIG_SETMASK: 3007 how = SIG_SETMASK; 3008 break; 3009 default: 3010 ret = -EINVAL; 3011 goto fail; 3012 } 3013 p = lock_user(arg2, sizeof(target_sigset_t), 1); 3014 target_to_host_sigset(&set, p); 3015 unlock_user(p, arg2, 0); 3016 set_ptr = &set; 3017 } else { 3018 how = 0; 3019 set_ptr = NULL; 3020 } 3021 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 3022 if (!is_error(ret) && arg3) { 3023 p = lock_user(arg3, sizeof(target_sigset_t), 0); 3024 host_to_target_sigset(p, &oldset); 3025 unlock_user(p, arg3, sizeof(target_sigset_t)); 3026 } 3027 } 3028 break; 3029 #ifdef TARGET_NR_sigpending 3030 case TARGET_NR_sigpending: 3031 { 3032 sigset_t set; 3033 ret = get_errno(sigpending(&set)); 3034 if (!is_error(ret)) { 3035 p = lock_user(arg1, sizeof(target_sigset_t), 0); 3036 host_to_target_old_sigset(p, &set); 3037 unlock_user(p, arg1, sizeof(target_sigset_t)); 3038 } 3039 } 3040 break; 3041 #endif 3042 case TARGET_NR_rt_sigpending: 3043 { 3044 sigset_t set; 3045 ret = get_errno(sigpending(&set)); 3046 if (!is_error(ret)) { 3047 p = lock_user(arg1, sizeof(target_sigset_t), 0); 3048 host_to_target_sigset(p, &set); 3049 unlock_user(p, arg1, sizeof(target_sigset_t)); 3050 } 3051 } 3052 break; 3053 #ifdef TARGET_NR_sigsuspend 3054 case TARGET_NR_sigsuspend: 3055 { 3056 sigset_t set; 3057 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3058 target_to_host_old_sigset(&set, p); 3059 unlock_user(p, arg1, 0); 3060 ret = get_errno(sigsuspend(&set)); 3061 } 3062 break; 3063 #endif 3064 case TARGET_NR_rt_sigsuspend: 3065 { 3066 sigset_t set; 3067 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3068 target_to_host_sigset(&set, p); 3069 unlock_user(p, arg1, 0); 3070 ret = get_errno(sigsuspend(&set)); 3071 } 3072 break; 3073 case TARGET_NR_rt_sigtimedwait: 3074 { 3075 sigset_t set; 3076 struct timespec uts, *puts; 3077 siginfo_t uinfo; 3078 3079 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3080 target_to_host_sigset(&set, p); 3081 unlock_user(p, arg1, 0); 3082 if (arg3) { 3083 puts = &uts; 3084 target_to_host_timespec(puts, arg3); 3085 } else { 3086 puts = NULL; 3087 } 3088 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 3089 if (!is_error(ret) && arg2) { 3090 p = lock_user(arg2, sizeof(target_sigset_t), 0); 3091 host_to_target_siginfo(p, &uinfo); 3092 unlock_user(p, arg2, sizeof(target_sigset_t)); 3093 } 3094 } 3095 break; 3096 case TARGET_NR_rt_sigqueueinfo: 3097 { 3098 siginfo_t uinfo; 3099 p = lock_user(arg3, sizeof(target_sigset_t), 1); 3100 target_to_host_siginfo(&uinfo, p); 3101 unlock_user(p, arg1, 0); 3102 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 3103 } 3104 break; 3105 #ifdef TARGET_NR_sigreturn 3106 case TARGET_NR_sigreturn: 3107 /* NOTE: ret is eax, so not transcoding must be done */ 3108 ret = do_sigreturn(cpu_env); 3109 break; 3110 #endif 3111 case TARGET_NR_rt_sigreturn: 3112 /* NOTE: ret is eax, so not transcoding must be done */ 3113 ret = do_rt_sigreturn(cpu_env); 3114 break; 3115 case TARGET_NR_sethostname: 3116 p = lock_user_string(arg1); 3117 ret = get_errno(sethostname(p, arg2)); 3118 unlock_user(p, arg1, 0); 3119 break; 3120 case TARGET_NR_setrlimit: 3121 { 3122 /* XXX: convert resource ? */ 3123 int resource = arg1; 3124 struct target_rlimit *target_rlim; 3125 struct rlimit rlim; 3126 lock_user_struct(target_rlim, arg2, 1); 3127 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3128 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3129 unlock_user_struct(target_rlim, arg2, 0); 3130 ret = get_errno(setrlimit(resource, &rlim)); 3131 } 3132 break; 3133 case TARGET_NR_getrlimit: 3134 { 3135 /* XXX: convert resource ? */ 3136 int resource = arg1; 3137 struct target_rlimit *target_rlim; 3138 struct rlimit rlim; 3139 3140 ret = get_errno(getrlimit(resource, &rlim)); 3141 if (!is_error(ret)) { 3142 lock_user_struct(target_rlim, arg2, 0); 3143 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3144 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3145 unlock_user_struct(target_rlim, arg2, 1); 3146 } 3147 } 3148 break; 3149 case TARGET_NR_getrusage: 3150 { 3151 struct rusage rusage; 3152 ret = get_errno(getrusage(arg1, &rusage)); 3153 if (!is_error(ret)) { 3154 host_to_target_rusage(arg2, &rusage); 3155 } 3156 } 3157 break; 3158 case TARGET_NR_gettimeofday: 3159 { 3160 struct timeval tv; 3161 ret = get_errno(gettimeofday(&tv, NULL)); 3162 if (!is_error(ret)) { 3163 host_to_target_timeval(arg1, &tv); 3164 } 3165 } 3166 break; 3167 case TARGET_NR_settimeofday: 3168 { 3169 struct timeval tv; 3170 target_to_host_timeval(&tv, arg1); 3171 ret = get_errno(settimeofday(&tv, NULL)); 3172 } 3173 break; 3174 #ifdef TARGET_NR_select 3175 case TARGET_NR_select: 3176 { 3177 struct target_sel_arg_struct *sel; 3178 target_ulong inp, outp, exp, tvp; 3179 long nsel; 3180 3181 lock_user_struct(sel, arg1, 1); 3182 nsel = tswapl(sel->n); 3183 inp = tswapl(sel->inp); 3184 outp = tswapl(sel->outp); 3185 exp = tswapl(sel->exp); 3186 tvp = tswapl(sel->tvp); 3187 unlock_user_struct(sel, arg1, 0); 3188 ret = do_select(nsel, inp, outp, exp, tvp); 3189 } 3190 break; 3191 #endif 3192 case TARGET_NR_symlink: 3193 { 3194 void *p2; 3195 p = lock_user_string(arg1); 3196 p2 = lock_user_string(arg2); 3197 ret = get_errno(symlink(p, p2)); 3198 unlock_user(p2, arg2, 0); 3199 unlock_user(p, arg1, 0); 3200 } 3201 break; 3202 #ifdef TARGET_NR_oldlstat 3203 case TARGET_NR_oldlstat: 3204 goto unimplemented; 3205 #endif 3206 case TARGET_NR_readlink: 3207 { 3208 void *p2; 3209 p = lock_user_string(arg1); 3210 p2 = lock_user(arg2, arg3, 0); 3211 ret = get_errno(readlink(path(p), p2, arg3)); 3212 unlock_user(p2, arg2, ret); 3213 unlock_user(p, arg1, 0); 3214 } 3215 break; 3216 #ifdef TARGET_NR_uselib 3217 case TARGET_NR_uselib: 3218 goto unimplemented; 3219 #endif 3220 #ifdef TARGET_NR_swapon 3221 case TARGET_NR_swapon: 3222 p = lock_user_string(arg1); 3223 ret = get_errno(swapon(p, arg2)); 3224 unlock_user(p, arg1, 0); 3225 break; 3226 #endif 3227 case TARGET_NR_reboot: 3228 goto unimplemented; 3229 #ifdef TARGET_NR_readdir 3230 case TARGET_NR_readdir: 3231 goto unimplemented; 3232 #endif 3233 #ifdef TARGET_NR_mmap 3234 case TARGET_NR_mmap: 3235 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K) 3236 { 3237 target_ulong *v; 3238 target_ulong v1, v2, v3, v4, v5, v6; 3239 v = lock_user(arg1, 6 * sizeof(target_ulong), 1); 3240 v1 = tswapl(v[0]); 3241 v2 = tswapl(v[1]); 3242 v3 = tswapl(v[2]); 3243 v4 = tswapl(v[3]); 3244 v5 = tswapl(v[4]); 3245 v6 = tswapl(v[5]); 3246 unlock_user(v, arg1, 0); 3247 ret = get_errno(target_mmap(v1, v2, v3, 3248 target_to_host_bitmask(v4, mmap_flags_tbl), 3249 v5, v6)); 3250 } 3251 #else 3252 ret = get_errno(target_mmap(arg1, arg2, arg3, 3253 target_to_host_bitmask(arg4, mmap_flags_tbl), 3254 arg5, 3255 arg6)); 3256 #endif 3257 break; 3258 #endif 3259 #ifdef TARGET_NR_mmap2 3260 case TARGET_NR_mmap2: 3261 #if defined(TARGET_SPARC) || defined(TARGET_MIPS) 3262 #define MMAP_SHIFT 12 3263 #else 3264 #define MMAP_SHIFT TARGET_PAGE_BITS 3265 #endif 3266 ret = get_errno(target_mmap(arg1, arg2, arg3, 3267 target_to_host_bitmask(arg4, mmap_flags_tbl), 3268 arg5, 3269 arg6 << MMAP_SHIFT)); 3270 break; 3271 #endif 3272 case TARGET_NR_munmap: 3273 ret = get_errno(target_munmap(arg1, arg2)); 3274 break; 3275 case TARGET_NR_mprotect: 3276 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 3277 break; 3278 #ifdef TARGET_NR_mremap 3279 case TARGET_NR_mremap: 3280 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 3281 break; 3282 #endif 3283 /* ??? msync/mlock/munlock are broken for softmmu. */ 3284 #ifdef TARGET_NR_msync 3285 case TARGET_NR_msync: 3286 ret = get_errno(msync(g2h(arg1), arg2, arg3)); 3287 break; 3288 #endif 3289 #ifdef TARGET_NR_mlock 3290 case TARGET_NR_mlock: 3291 ret = get_errno(mlock(g2h(arg1), arg2)); 3292 break; 3293 #endif 3294 #ifdef TARGET_NR_munlock 3295 case TARGET_NR_munlock: 3296 ret = get_errno(munlock(g2h(arg1), arg2)); 3297 break; 3298 #endif 3299 #ifdef TARGET_NR_mlockall 3300 case TARGET_NR_mlockall: 3301 ret = get_errno(mlockall(arg1)); 3302 break; 3303 #endif 3304 #ifdef TARGET_NR_munlockall 3305 case TARGET_NR_munlockall: 3306 ret = get_errno(munlockall()); 3307 break; 3308 #endif 3309 case TARGET_NR_truncate: 3310 p = lock_user_string(arg1); 3311 ret = get_errno(truncate(p, arg2)); 3312 unlock_user(p, arg1, 0); 3313 break; 3314 case TARGET_NR_ftruncate: 3315 ret = get_errno(ftruncate(arg1, arg2)); 3316 break; 3317 case TARGET_NR_fchmod: 3318 ret = get_errno(fchmod(arg1, arg2)); 3319 break; 3320 case TARGET_NR_getpriority: 3321 ret = get_errno(getpriority(arg1, arg2)); 3322 break; 3323 case TARGET_NR_setpriority: 3324 ret = get_errno(setpriority(arg1, arg2, arg3)); 3325 break; 3326 #ifdef TARGET_NR_profil 3327 case TARGET_NR_profil: 3328 goto unimplemented; 3329 #endif 3330 case TARGET_NR_statfs: 3331 p = lock_user_string(arg1); 3332 ret = get_errno(statfs(path(p), &stfs)); 3333 unlock_user(p, arg1, 0); 3334 convert_statfs: 3335 if (!is_error(ret)) { 3336 struct target_statfs *target_stfs; 3337 3338 lock_user_struct(target_stfs, arg2, 0); 3339 /* ??? put_user is probably wrong. */ 3340 put_user(stfs.f_type, &target_stfs->f_type); 3341 put_user(stfs.f_bsize, &target_stfs->f_bsize); 3342 put_user(stfs.f_blocks, &target_stfs->f_blocks); 3343 put_user(stfs.f_bfree, &target_stfs->f_bfree); 3344 put_user(stfs.f_bavail, &target_stfs->f_bavail); 3345 put_user(stfs.f_files, &target_stfs->f_files); 3346 put_user(stfs.f_ffree, &target_stfs->f_ffree); 3347 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid); 3348 put_user(stfs.f_namelen, &target_stfs->f_namelen); 3349 unlock_user_struct(target_stfs, arg2, 1); 3350 } 3351 break; 3352 case TARGET_NR_fstatfs: 3353 ret = get_errno(fstatfs(arg1, &stfs)); 3354 goto convert_statfs; 3355 #ifdef TARGET_NR_statfs64 3356 case TARGET_NR_statfs64: 3357 p = lock_user_string(arg1); 3358 ret = get_errno(statfs(path(p), &stfs)); 3359 unlock_user(p, arg1, 0); 3360 convert_statfs64: 3361 if (!is_error(ret)) { 3362 struct target_statfs64 *target_stfs; 3363 3364 lock_user_struct(target_stfs, arg3, 0); 3365 /* ??? put_user is probably wrong. */ 3366 put_user(stfs.f_type, &target_stfs->f_type); 3367 put_user(stfs.f_bsize, &target_stfs->f_bsize); 3368 put_user(stfs.f_blocks, &target_stfs->f_blocks); 3369 put_user(stfs.f_bfree, &target_stfs->f_bfree); 3370 put_user(stfs.f_bavail, &target_stfs->f_bavail); 3371 put_user(stfs.f_files, &target_stfs->f_files); 3372 put_user(stfs.f_ffree, &target_stfs->f_ffree); 3373 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid); 3374 put_user(stfs.f_namelen, &target_stfs->f_namelen); 3375 unlock_user_struct(target_stfs, arg3, 0); 3376 } 3377 break; 3378 case TARGET_NR_fstatfs64: 3379 ret = get_errno(fstatfs(arg1, &stfs)); 3380 goto convert_statfs64; 3381 #endif 3382 #ifdef TARGET_NR_ioperm 3383 case TARGET_NR_ioperm: 3384 goto unimplemented; 3385 #endif 3386 #ifdef TARGET_NR_socketcall 3387 case TARGET_NR_socketcall: 3388 ret = do_socketcall(arg1, arg2); 3389 break; 3390 #endif 3391 #ifdef TARGET_NR_accept 3392 case TARGET_NR_accept: 3393 ret = do_accept(arg1, arg2, arg3); 3394 break; 3395 #endif 3396 #ifdef TARGET_NR_bind 3397 case TARGET_NR_bind: 3398 ret = do_bind(arg1, arg2, arg3); 3399 break; 3400 #endif 3401 #ifdef TARGET_NR_connect 3402 case TARGET_NR_connect: 3403 ret = do_connect(arg1, arg2, arg3); 3404 break; 3405 #endif 3406 #ifdef TARGET_NR_getpeername 3407 case TARGET_NR_getpeername: 3408 ret = do_getpeername(arg1, arg2, arg3); 3409 break; 3410 #endif 3411 #ifdef TARGET_NR_getsockname 3412 case TARGET_NR_getsockname: 3413 ret = do_getsockname(arg1, arg2, arg3); 3414 break; 3415 #endif 3416 #ifdef TARGET_NR_getsockopt 3417 case TARGET_NR_getsockopt: 3418 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); 3419 break; 3420 #endif 3421 #ifdef TARGET_NR_listen 3422 case TARGET_NR_listen: 3423 ret = get_errno(listen(arg1, arg2)); 3424 break; 3425 #endif 3426 #ifdef TARGET_NR_recv 3427 case TARGET_NR_recv: 3428 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); 3429 break; 3430 #endif 3431 #ifdef TARGET_NR_recvfrom 3432 case TARGET_NR_recvfrom: 3433 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); 3434 break; 3435 #endif 3436 #ifdef TARGET_NR_recvmsg 3437 case TARGET_NR_recvmsg: 3438 ret = do_sendrecvmsg(arg1, arg2, arg3, 0); 3439 break; 3440 #endif 3441 #ifdef TARGET_NR_send 3442 case TARGET_NR_send: 3443 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); 3444 break; 3445 #endif 3446 #ifdef TARGET_NR_sendmsg 3447 case TARGET_NR_sendmsg: 3448 ret = do_sendrecvmsg(arg1, arg2, arg3, 1); 3449 break; 3450 #endif 3451 #ifdef TARGET_NR_sendto 3452 case TARGET_NR_sendto: 3453 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); 3454 break; 3455 #endif 3456 #ifdef TARGET_NR_shutdown 3457 case TARGET_NR_shutdown: 3458 ret = get_errno(shutdown(arg1, arg2)); 3459 break; 3460 #endif 3461 #ifdef TARGET_NR_socket 3462 case TARGET_NR_socket: 3463 ret = do_socket(arg1, arg2, arg3); 3464 break; 3465 #endif 3466 #ifdef TARGET_NR_socketpair 3467 case TARGET_NR_socketpair: 3468 ret = do_socketpair(arg1, arg2, arg3, arg4); 3469 break; 3470 #endif 3471 #ifdef TARGET_NR_setsockopt 3472 case TARGET_NR_setsockopt: 3473 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); 3474 break; 3475 #endif 3476 3477 case TARGET_NR_syslog: 3478 p = lock_user_string(arg2); 3479 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); 3480 unlock_user(p, arg2, 0); 3481 break; 3482 3483 case TARGET_NR_setitimer: 3484 { 3485 struct itimerval value, ovalue, *pvalue; 3486 3487 if (arg2) { 3488 pvalue = &value; 3489 target_to_host_timeval(&pvalue->it_interval, 3490 arg2); 3491 target_to_host_timeval(&pvalue->it_value, 3492 arg2 + sizeof(struct target_timeval)); 3493 } else { 3494 pvalue = NULL; 3495 } 3496 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 3497 if (!is_error(ret) && arg3) { 3498 host_to_target_timeval(arg3, 3499 &ovalue.it_interval); 3500 host_to_target_timeval(arg3 + sizeof(struct target_timeval), 3501 &ovalue.it_value); 3502 } 3503 } 3504 break; 3505 case TARGET_NR_getitimer: 3506 { 3507 struct itimerval value; 3508 3509 ret = get_errno(getitimer(arg1, &value)); 3510 if (!is_error(ret) && arg2) { 3511 host_to_target_timeval(arg2, 3512 &value.it_interval); 3513 host_to_target_timeval(arg2 + sizeof(struct target_timeval), 3514 &value.it_value); 3515 } 3516 } 3517 break; 3518 case TARGET_NR_stat: 3519 p = lock_user_string(arg1); 3520 ret = get_errno(stat(path(p), &st)); 3521 unlock_user(p, arg1, 0); 3522 goto do_stat; 3523 case TARGET_NR_lstat: 3524 p = lock_user_string(arg1); 3525 ret = get_errno(lstat(path(p), &st)); 3526 unlock_user(p, arg1, 0); 3527 goto do_stat; 3528 case TARGET_NR_fstat: 3529 { 3530 ret = get_errno(fstat(arg1, &st)); 3531 do_stat: 3532 if (!is_error(ret)) { 3533 struct target_stat *target_st; 3534 3535 lock_user_struct(target_st, arg2, 0); 3536 #if defined(TARGET_MIPS) 3537 target_st->st_dev = tswap32(st.st_dev); 3538 #else 3539 target_st->st_dev = tswap16(st.st_dev); 3540 #endif 3541 target_st->st_ino = tswapl(st.st_ino); 3542 #if defined(TARGET_PPC) || defined(TARGET_MIPS) 3543 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ 3544 target_st->st_uid = tswap32(st.st_uid); 3545 target_st->st_gid = tswap32(st.st_gid); 3546 #else 3547 target_st->st_mode = tswap16(st.st_mode); 3548 target_st->st_uid = tswap16(st.st_uid); 3549 target_st->st_gid = tswap16(st.st_gid); 3550 #endif 3551 #if defined(TARGET_MIPS) 3552 /* If this is the same on PPC, then just merge w/ the above ifdef */ 3553 target_st->st_nlink = tswapl(st.st_nlink); 3554 target_st->st_rdev = tswapl(st.st_rdev); 3555 #else 3556 target_st->st_nlink = tswap16(st.st_nlink); 3557 target_st->st_rdev = tswap16(st.st_rdev); 3558 #endif 3559 target_st->st_size = tswapl(st.st_size); 3560 target_st->st_blksize = tswapl(st.st_blksize); 3561 target_st->st_blocks = tswapl(st.st_blocks); 3562 target_st->target_st_atime = tswapl(st.st_atime); 3563 target_st->target_st_mtime = tswapl(st.st_mtime); 3564 target_st->target_st_ctime = tswapl(st.st_ctime); 3565 unlock_user_struct(target_st, arg2, 1); 3566 } 3567 } 3568 break; 3569 #ifdef TARGET_NR_olduname 3570 case TARGET_NR_olduname: 3571 goto unimplemented; 3572 #endif 3573 #ifdef TARGET_NR_iopl 3574 case TARGET_NR_iopl: 3575 goto unimplemented; 3576 #endif 3577 case TARGET_NR_vhangup: 3578 ret = get_errno(vhangup()); 3579 break; 3580 #ifdef TARGET_NR_idle 3581 case TARGET_NR_idle: 3582 goto unimplemented; 3583 #endif 3584 #ifdef TARGET_NR_syscall 3585 case TARGET_NR_syscall: 3586 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 3587 break; 3588 #endif 3589 case TARGET_NR_wait4: 3590 { 3591 int status; 3592 target_long status_ptr = arg2; 3593 struct rusage rusage, *rusage_ptr; 3594 target_ulong target_rusage = arg4; 3595 if (target_rusage) 3596 rusage_ptr = &rusage; 3597 else 3598 rusage_ptr = NULL; 3599 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 3600 if (!is_error(ret)) { 3601 if (status_ptr) 3602 tputl(status_ptr, status); 3603 if (target_rusage) { 3604 host_to_target_rusage(target_rusage, &rusage); 3605 } 3606 } 3607 } 3608 break; 3609 #ifdef TARGET_NR_swapoff 3610 case TARGET_NR_swapoff: 3611 p = lock_user_string(arg1); 3612 ret = get_errno(swapoff(p)); 3613 unlock_user(p, arg1, 0); 3614 break; 3615 #endif 3616 case TARGET_NR_sysinfo: 3617 { 3618 struct target_sysinfo *target_value; 3619 struct sysinfo value; 3620 ret = get_errno(sysinfo(&value)); 3621 if (!is_error(ret) && arg1) 3622 { 3623 /* ??? __put_user is probably wrong. */ 3624 lock_user_struct(target_value, arg1, 0); 3625 __put_user(value.uptime, &target_value->uptime); 3626 __put_user(value.loads[0], &target_value->loads[0]); 3627 __put_user(value.loads[1], &target_value->loads[1]); 3628 __put_user(value.loads[2], &target_value->loads[2]); 3629 __put_user(value.totalram, &target_value->totalram); 3630 __put_user(value.freeram, &target_value->freeram); 3631 __put_user(value.sharedram, &target_value->sharedram); 3632 __put_user(value.bufferram, &target_value->bufferram); 3633 __put_user(value.totalswap, &target_value->totalswap); 3634 __put_user(value.freeswap, &target_value->freeswap); 3635 __put_user(value.procs, &target_value->procs); 3636 __put_user(value.totalhigh, &target_value->totalhigh); 3637 __put_user(value.freehigh, &target_value->freehigh); 3638 __put_user(value.mem_unit, &target_value->mem_unit); 3639 unlock_user_struct(target_value, arg1, 1); 3640 } 3641 } 3642 break; 3643 #ifdef TARGET_NR_ipc 3644 case TARGET_NR_ipc: 3645 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 3646 break; 3647 #endif 3648 case TARGET_NR_fsync: 3649 ret = get_errno(fsync(arg1)); 3650 break; 3651 case TARGET_NR_clone: 3652 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 3653 break; 3654 #ifdef __NR_exit_group 3655 /* new thread calls */ 3656 case TARGET_NR_exit_group: 3657 gdb_exit(cpu_env, arg1); 3658 ret = get_errno(exit_group(arg1)); 3659 break; 3660 #endif 3661 case TARGET_NR_setdomainname: 3662 p = lock_user_string(arg1); 3663 ret = get_errno(setdomainname(p, arg2)); 3664 unlock_user(p, arg1, 0); 3665 break; 3666 case TARGET_NR_uname: 3667 /* no need to transcode because we use the linux syscall */ 3668 { 3669 struct new_utsname * buf; 3670 3671 lock_user_struct(buf, arg1, 0); 3672 ret = get_errno(sys_uname(buf)); 3673 if (!is_error(ret)) { 3674 /* Overrite the native machine name with whatever is being 3675 emulated. */ 3676 strcpy (buf->machine, UNAME_MACHINE); 3677 /* Allow the user to override the reported release. */ 3678 if (qemu_uname_release && *qemu_uname_release) 3679 strcpy (buf->release, qemu_uname_release); 3680 } 3681 unlock_user_struct(buf, arg1, 1); 3682 } 3683 break; 3684 #ifdef TARGET_I386 3685 case TARGET_NR_modify_ldt: 3686 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3)); 3687 break; 3688 #if !defined(TARGET_X86_64) 3689 case TARGET_NR_vm86old: 3690 goto unimplemented; 3691 case TARGET_NR_vm86: 3692 ret = do_vm86(cpu_env, arg1, arg2); 3693 break; 3694 #endif 3695 #endif 3696 case TARGET_NR_adjtimex: 3697 goto unimplemented; 3698 #ifdef TARGET_NR_create_module 3699 case TARGET_NR_create_module: 3700 #endif 3701 case TARGET_NR_init_module: 3702 case TARGET_NR_delete_module: 3703 #ifdef TARGET_NR_get_kernel_syms 3704 case TARGET_NR_get_kernel_syms: 3705 #endif 3706 goto unimplemented; 3707 case TARGET_NR_quotactl: 3708 goto unimplemented; 3709 case TARGET_NR_getpgid: 3710 ret = get_errno(getpgid(arg1)); 3711 break; 3712 case TARGET_NR_fchdir: 3713 ret = get_errno(fchdir(arg1)); 3714 break; 3715 #ifdef TARGET_NR_bdflush /* not on x86_64 */ 3716 case TARGET_NR_bdflush: 3717 goto unimplemented; 3718 #endif 3719 #ifdef TARGET_NR_sysfs 3720 case TARGET_NR_sysfs: 3721 goto unimplemented; 3722 #endif 3723 case TARGET_NR_personality: 3724 ret = get_errno(personality(arg1)); 3725 break; 3726 #ifdef TARGET_NR_afs_syscall 3727 case TARGET_NR_afs_syscall: 3728 goto unimplemented; 3729 #endif 3730 #ifdef TARGET_NR__llseek /* Not on alpha */ 3731 case TARGET_NR__llseek: 3732 { 3733 #if defined (__x86_64__) 3734 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 3735 tput64(arg4, ret); 3736 #else 3737 int64_t res; 3738 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 3739 tput64(arg4, res); 3740 #endif 3741 } 3742 break; 3743 #endif 3744 case TARGET_NR_getdents: 3745 #if TARGET_LONG_SIZE != 4 3746 goto unimplemented; 3747 #warning not supported 3748 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8 3749 { 3750 struct target_dirent *target_dirp; 3751 struct dirent *dirp; 3752 long count = arg3; 3753 3754 dirp = malloc(count); 3755 if (!dirp) 3756 return -ENOMEM; 3757 3758 ret = get_errno(sys_getdents(arg1, dirp, count)); 3759 if (!is_error(ret)) { 3760 struct dirent *de; 3761 struct target_dirent *tde; 3762 int len = ret; 3763 int reclen, treclen; 3764 int count1, tnamelen; 3765 3766 count1 = 0; 3767 de = dirp; 3768 target_dirp = lock_user(arg2, count, 0); 3769 tde = target_dirp; 3770 while (len > 0) { 3771 reclen = de->d_reclen; 3772 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long))); 3773 tde->d_reclen = tswap16(treclen); 3774 tde->d_ino = tswapl(de->d_ino); 3775 tde->d_off = tswapl(de->d_off); 3776 tnamelen = treclen - (2 * sizeof(target_long) + 2); 3777 if (tnamelen > 256) 3778 tnamelen = 256; 3779 /* XXX: may not be correct */ 3780 strncpy(tde->d_name, de->d_name, tnamelen); 3781 de = (struct dirent *)((char *)de + reclen); 3782 len -= reclen; 3783 tde = (struct target_dirent *)((char *)tde + treclen); 3784 count1 += treclen; 3785 } 3786 ret = count1; 3787 } 3788 unlock_user(target_dirp, arg2, ret); 3789 free(dirp); 3790 } 3791 #else 3792 { 3793 struct dirent *dirp; 3794 long count = arg3; 3795 3796 dirp = lock_user(arg2, count, 0); 3797 ret = get_errno(sys_getdents(arg1, dirp, count)); 3798 if (!is_error(ret)) { 3799 struct dirent *de; 3800 int len = ret; 3801 int reclen; 3802 de = dirp; 3803 while (len > 0) { 3804 reclen = de->d_reclen; 3805 if (reclen > len) 3806 break; 3807 de->d_reclen = tswap16(reclen); 3808 tswapls(&de->d_ino); 3809 tswapls(&de->d_off); 3810 de = (struct dirent *)((char *)de + reclen); 3811 len -= reclen; 3812 } 3813 } 3814 unlock_user(dirp, arg2, ret); 3815 } 3816 #endif 3817 break; 3818 #ifdef TARGET_NR_getdents64 3819 case TARGET_NR_getdents64: 3820 { 3821 struct dirent64 *dirp; 3822 long count = arg3; 3823 dirp = lock_user(arg2, count, 0); 3824 ret = get_errno(sys_getdents64(arg1, dirp, count)); 3825 if (!is_error(ret)) { 3826 struct dirent64 *de; 3827 int len = ret; 3828 int reclen; 3829 de = dirp; 3830 while (len > 0) { 3831 reclen = de->d_reclen; 3832 if (reclen > len) 3833 break; 3834 de->d_reclen = tswap16(reclen); 3835 tswap64s(&de->d_ino); 3836 tswap64s(&de->d_off); 3837 de = (struct dirent64 *)((char *)de + reclen); 3838 len -= reclen; 3839 } 3840 } 3841 unlock_user(dirp, arg2, ret); 3842 } 3843 break; 3844 #endif /* TARGET_NR_getdents64 */ 3845 #ifdef TARGET_NR__newselect 3846 case TARGET_NR__newselect: 3847 ret = do_select(arg1, arg2, arg3, arg4, arg5); 3848 break; 3849 #endif 3850 #ifdef TARGET_NR_poll 3851 case TARGET_NR_poll: 3852 { 3853 struct target_pollfd *target_pfd; 3854 unsigned int nfds = arg2; 3855 int timeout = arg3; 3856 struct pollfd *pfd; 3857 unsigned int i; 3858 3859 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1); 3860 pfd = alloca(sizeof(struct pollfd) * nfds); 3861 for(i = 0; i < nfds; i++) { 3862 pfd[i].fd = tswap32(target_pfd[i].fd); 3863 pfd[i].events = tswap16(target_pfd[i].events); 3864 } 3865 ret = get_errno(poll(pfd, nfds, timeout)); 3866 if (!is_error(ret)) { 3867 for(i = 0; i < nfds; i++) { 3868 target_pfd[i].revents = tswap16(pfd[i].revents); 3869 } 3870 ret += nfds * (sizeof(struct target_pollfd) 3871 - sizeof(struct pollfd)); 3872 } 3873 unlock_user(target_pfd, arg1, ret); 3874 } 3875 break; 3876 #endif 3877 case TARGET_NR_flock: 3878 /* NOTE: the flock constant seems to be the same for every 3879 Linux platform */ 3880 ret = get_errno(flock(arg1, arg2)); 3881 break; 3882 case TARGET_NR_readv: 3883 { 3884 int count = arg3; 3885 struct iovec *vec; 3886 3887 vec = alloca(count * sizeof(struct iovec)); 3888 lock_iovec(vec, arg2, count, 0); 3889 ret = get_errno(readv(arg1, vec, count)); 3890 unlock_iovec(vec, arg2, count, 1); 3891 } 3892 break; 3893 case TARGET_NR_writev: 3894 { 3895 int count = arg3; 3896 struct iovec *vec; 3897 3898 vec = alloca(count * sizeof(struct iovec)); 3899 lock_iovec(vec, arg2, count, 1); 3900 ret = get_errno(writev(arg1, vec, count)); 3901 unlock_iovec(vec, arg2, count, 0); 3902 } 3903 break; 3904 case TARGET_NR_getsid: 3905 ret = get_errno(getsid(arg1)); 3906 break; 3907 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ 3908 case TARGET_NR_fdatasync: 3909 ret = get_errno(fdatasync(arg1)); 3910 break; 3911 #endif 3912 case TARGET_NR__sysctl: 3913 /* We don't implement this, but ENODIR is always a safe 3914 return value. */ 3915 return -ENOTDIR; 3916 case TARGET_NR_sched_setparam: 3917 { 3918 struct sched_param *target_schp; 3919 struct sched_param schp; 3920 3921 lock_user_struct(target_schp, arg2, 1); 3922 schp.sched_priority = tswap32(target_schp->sched_priority); 3923 unlock_user_struct(target_schp, arg2, 0); 3924 ret = get_errno(sched_setparam(arg1, &schp)); 3925 } 3926 break; 3927 case TARGET_NR_sched_getparam: 3928 { 3929 struct sched_param *target_schp; 3930 struct sched_param schp; 3931 ret = get_errno(sched_getparam(arg1, &schp)); 3932 if (!is_error(ret)) { 3933 lock_user_struct(target_schp, arg2, 0); 3934 target_schp->sched_priority = tswap32(schp.sched_priority); 3935 unlock_user_struct(target_schp, arg2, 1); 3936 } 3937 } 3938 break; 3939 case TARGET_NR_sched_setscheduler: 3940 { 3941 struct sched_param *target_schp; 3942 struct sched_param schp; 3943 lock_user_struct(target_schp, arg3, 1); 3944 schp.sched_priority = tswap32(target_schp->sched_priority); 3945 unlock_user_struct(target_schp, arg3, 0); 3946 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 3947 } 3948 break; 3949 case TARGET_NR_sched_getscheduler: 3950 ret = get_errno(sched_getscheduler(arg1)); 3951 break; 3952 case TARGET_NR_sched_yield: 3953 ret = get_errno(sched_yield()); 3954 break; 3955 case TARGET_NR_sched_get_priority_max: 3956 ret = get_errno(sched_get_priority_max(arg1)); 3957 break; 3958 case TARGET_NR_sched_get_priority_min: 3959 ret = get_errno(sched_get_priority_min(arg1)); 3960 break; 3961 case TARGET_NR_sched_rr_get_interval: 3962 { 3963 struct timespec ts; 3964 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 3965 if (!is_error(ret)) { 3966 host_to_target_timespec(arg2, &ts); 3967 } 3968 } 3969 break; 3970 case TARGET_NR_nanosleep: 3971 { 3972 struct timespec req, rem; 3973 target_to_host_timespec(&req, arg1); 3974 ret = get_errno(nanosleep(&req, &rem)); 3975 if (is_error(ret) && arg2) { 3976 host_to_target_timespec(arg2, &rem); 3977 } 3978 } 3979 break; 3980 #ifdef TARGET_NR_query_module 3981 case TARGET_NR_query_module: 3982 goto unimplemented; 3983 #endif 3984 #ifdef TARGET_NR_nfsservctl 3985 case TARGET_NR_nfsservctl: 3986 goto unimplemented; 3987 #endif 3988 case TARGET_NR_prctl: 3989 switch (arg1) 3990 { 3991 case PR_GET_PDEATHSIG: 3992 { 3993 int deathsig; 3994 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); 3995 if (!is_error(ret) && arg2) 3996 tput32(arg2, deathsig); 3997 } 3998 break; 3999 default: 4000 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); 4001 break; 4002 } 4003 break; 4004 #ifdef TARGET_NR_pread 4005 case TARGET_NR_pread: 4006 page_unprotect_range(arg2, arg3); 4007 p = lock_user(arg2, arg3, 0); 4008 ret = get_errno(pread(arg1, p, arg3, arg4)); 4009 unlock_user(p, arg2, ret); 4010 break; 4011 case TARGET_NR_pwrite: 4012 p = lock_user(arg2, arg3, 1); 4013 ret = get_errno(pwrite(arg1, p, arg3, arg4)); 4014 unlock_user(p, arg2, 0); 4015 break; 4016 #endif 4017 case TARGET_NR_getcwd: 4018 p = lock_user(arg1, arg2, 0); 4019 ret = get_errno(sys_getcwd1(p, arg2)); 4020 unlock_user(p, arg1, ret); 4021 break; 4022 case TARGET_NR_capget: 4023 goto unimplemented; 4024 case TARGET_NR_capset: 4025 goto unimplemented; 4026 case TARGET_NR_sigaltstack: 4027 goto unimplemented; 4028 case TARGET_NR_sendfile: 4029 goto unimplemented; 4030 #ifdef TARGET_NR_getpmsg 4031 case TARGET_NR_getpmsg: 4032 goto unimplemented; 4033 #endif 4034 #ifdef TARGET_NR_putpmsg 4035 case TARGET_NR_putpmsg: 4036 goto unimplemented; 4037 #endif 4038 #ifdef TARGET_NR_vfork 4039 case TARGET_NR_vfork: 4040 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 4041 break; 4042 #endif 4043 #ifdef TARGET_NR_ugetrlimit 4044 case TARGET_NR_ugetrlimit: 4045 { 4046 struct rlimit rlim; 4047 ret = get_errno(getrlimit(arg1, &rlim)); 4048 if (!is_error(ret)) { 4049 struct target_rlimit *target_rlim; 4050 lock_user_struct(target_rlim, arg2, 0); 4051 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 4052 target_rlim->rlim_max = tswapl(rlim.rlim_max); 4053 unlock_user_struct(target_rlim, arg2, 1); 4054 } 4055 break; 4056 } 4057 #endif 4058 #ifdef TARGET_NR_truncate64 4059 case TARGET_NR_truncate64: 4060 p = lock_user_string(arg1); 4061 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); 4062 unlock_user(p, arg1, 0); 4063 break; 4064 #endif 4065 #ifdef TARGET_NR_ftruncate64 4066 case TARGET_NR_ftruncate64: 4067 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); 4068 break; 4069 #endif 4070 #ifdef TARGET_NR_stat64 4071 case TARGET_NR_stat64: 4072 p = lock_user_string(arg1); 4073 ret = get_errno(stat(path(p), &st)); 4074 unlock_user(p, arg1, 0); 4075 goto do_stat64; 4076 #endif 4077 #ifdef TARGET_NR_lstat64 4078 case TARGET_NR_lstat64: 4079 p = lock_user_string(arg1); 4080 ret = get_errno(lstat(path(p), &st)); 4081 unlock_user(p, arg1, 0); 4082 goto do_stat64; 4083 #endif 4084 #ifdef TARGET_NR_fstat64 4085 case TARGET_NR_fstat64: 4086 { 4087 ret = get_errno(fstat(arg1, &st)); 4088 do_stat64: 4089 if (!is_error(ret)) { 4090 #ifdef TARGET_ARM 4091 if (((CPUARMState *)cpu_env)->eabi) { 4092 struct target_eabi_stat64 *target_st; 4093 lock_user_struct(target_st, arg2, 1); 4094 memset(target_st, 0, sizeof(struct target_eabi_stat64)); 4095 /* put_user is probably wrong. */ 4096 put_user(st.st_dev, &target_st->st_dev); 4097 put_user(st.st_ino, &target_st->st_ino); 4098 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4099 put_user(st.st_ino, &target_st->__st_ino); 4100 #endif 4101 put_user(st.st_mode, &target_st->st_mode); 4102 put_user(st.st_nlink, &target_st->st_nlink); 4103 put_user(st.st_uid, &target_st->st_uid); 4104 put_user(st.st_gid, &target_st->st_gid); 4105 put_user(st.st_rdev, &target_st->st_rdev); 4106 /* XXX: better use of kernel struct */ 4107 put_user(st.st_size, &target_st->st_size); 4108 put_user(st.st_blksize, &target_st->st_blksize); 4109 put_user(st.st_blocks, &target_st->st_blocks); 4110 put_user(st.st_atime, &target_st->target_st_atime); 4111 put_user(st.st_mtime, &target_st->target_st_mtime); 4112 put_user(st.st_ctime, &target_st->target_st_ctime); 4113 unlock_user_struct(target_st, arg2, 0); 4114 } else 4115 #endif 4116 { 4117 struct target_stat64 *target_st; 4118 lock_user_struct(target_st, arg2, 1); 4119 memset(target_st, 0, sizeof(struct target_stat64)); 4120 /* ??? put_user is probably wrong. */ 4121 put_user(st.st_dev, &target_st->st_dev); 4122 put_user(st.st_ino, &target_st->st_ino); 4123 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4124 put_user(st.st_ino, &target_st->__st_ino); 4125 #endif 4126 put_user(st.st_mode, &target_st->st_mode); 4127 put_user(st.st_nlink, &target_st->st_nlink); 4128 put_user(st.st_uid, &target_st->st_uid); 4129 put_user(st.st_gid, &target_st->st_gid); 4130 put_user(st.st_rdev, &target_st->st_rdev); 4131 /* XXX: better use of kernel struct */ 4132 put_user(st.st_size, &target_st->st_size); 4133 put_user(st.st_blksize, &target_st->st_blksize); 4134 put_user(st.st_blocks, &target_st->st_blocks); 4135 put_user(st.st_atime, &target_st->target_st_atime); 4136 put_user(st.st_mtime, &target_st->target_st_mtime); 4137 put_user(st.st_ctime, &target_st->target_st_ctime); 4138 unlock_user_struct(target_st, arg2, 0); 4139 } 4140 } 4141 } 4142 break; 4143 #endif 4144 #ifdef USE_UID16 4145 case TARGET_NR_lchown: 4146 p = lock_user_string(arg1); 4147 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); 4148 unlock_user(p, arg1, 0); 4149 break; 4150 case TARGET_NR_getuid: 4151 ret = get_errno(high2lowuid(getuid())); 4152 break; 4153 case TARGET_NR_getgid: 4154 ret = get_errno(high2lowgid(getgid())); 4155 break; 4156 case TARGET_NR_geteuid: 4157 ret = get_errno(high2lowuid(geteuid())); 4158 break; 4159 case TARGET_NR_getegid: 4160 ret = get_errno(high2lowgid(getegid())); 4161 break; 4162 case TARGET_NR_setreuid: 4163 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 4164 break; 4165 case TARGET_NR_setregid: 4166 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 4167 break; 4168 case TARGET_NR_getgroups: 4169 { 4170 int gidsetsize = arg1; 4171 uint16_t *target_grouplist; 4172 gid_t *grouplist; 4173 int i; 4174 4175 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4176 ret = get_errno(getgroups(gidsetsize, grouplist)); 4177 if (!is_error(ret)) { 4178 target_grouplist = lock_user(arg2, gidsetsize * 2, 0); 4179 for(i = 0;i < gidsetsize; i++) 4180 target_grouplist[i] = tswap16(grouplist[i]); 4181 unlock_user(target_grouplist, arg2, gidsetsize * 2); 4182 } 4183 } 4184 break; 4185 case TARGET_NR_setgroups: 4186 { 4187 int gidsetsize = arg1; 4188 uint16_t *target_grouplist; 4189 gid_t *grouplist; 4190 int i; 4191 4192 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4193 target_grouplist = lock_user(arg2, gidsetsize * 2, 1); 4194 for(i = 0;i < gidsetsize; i++) 4195 grouplist[i] = tswap16(target_grouplist[i]); 4196 unlock_user(target_grouplist, arg2, 0); 4197 ret = get_errno(setgroups(gidsetsize, grouplist)); 4198 } 4199 break; 4200 case TARGET_NR_fchown: 4201 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 4202 break; 4203 #ifdef TARGET_NR_setresuid 4204 case TARGET_NR_setresuid: 4205 ret = get_errno(setresuid(low2highuid(arg1), 4206 low2highuid(arg2), 4207 low2highuid(arg3))); 4208 break; 4209 #endif 4210 #ifdef TARGET_NR_getresuid 4211 case TARGET_NR_getresuid: 4212 { 4213 uid_t ruid, euid, suid; 4214 ret = get_errno(getresuid(&ruid, &euid, &suid)); 4215 if (!is_error(ret)) { 4216 tput16(arg1, tswap16(high2lowuid(ruid))); 4217 tput16(arg2, tswap16(high2lowuid(euid))); 4218 tput16(arg3, tswap16(high2lowuid(suid))); 4219 } 4220 } 4221 break; 4222 #endif 4223 #ifdef TARGET_NR_getresgid 4224 case TARGET_NR_setresgid: 4225 ret = get_errno(setresgid(low2highgid(arg1), 4226 low2highgid(arg2), 4227 low2highgid(arg3))); 4228 break; 4229 #endif 4230 #ifdef TARGET_NR_getresgid 4231 case TARGET_NR_getresgid: 4232 { 4233 gid_t rgid, egid, sgid; 4234 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 4235 if (!is_error(ret)) { 4236 tput16(arg1, tswap16(high2lowgid(rgid))); 4237 tput16(arg2, tswap16(high2lowgid(egid))); 4238 tput16(arg3, tswap16(high2lowgid(sgid))); 4239 } 4240 } 4241 break; 4242 #endif 4243 case TARGET_NR_chown: 4244 p = lock_user_string(arg1); 4245 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); 4246 unlock_user(p, arg1, 0); 4247 break; 4248 case TARGET_NR_setuid: 4249 ret = get_errno(setuid(low2highuid(arg1))); 4250 break; 4251 case TARGET_NR_setgid: 4252 ret = get_errno(setgid(low2highgid(arg1))); 4253 break; 4254 case TARGET_NR_setfsuid: 4255 ret = get_errno(setfsuid(arg1)); 4256 break; 4257 case TARGET_NR_setfsgid: 4258 ret = get_errno(setfsgid(arg1)); 4259 break; 4260 #endif /* USE_UID16 */ 4261 4262 #ifdef TARGET_NR_lchown32 4263 case TARGET_NR_lchown32: 4264 p = lock_user_string(arg1); 4265 ret = get_errno(lchown(p, arg2, arg3)); 4266 unlock_user(p, arg1, 0); 4267 break; 4268 #endif 4269 #ifdef TARGET_NR_getuid32 4270 case TARGET_NR_getuid32: 4271 ret = get_errno(getuid()); 4272 break; 4273 #endif 4274 #ifdef TARGET_NR_getgid32 4275 case TARGET_NR_getgid32: 4276 ret = get_errno(getgid()); 4277 break; 4278 #endif 4279 #ifdef TARGET_NR_geteuid32 4280 case TARGET_NR_geteuid32: 4281 ret = get_errno(geteuid()); 4282 break; 4283 #endif 4284 #ifdef TARGET_NR_getegid32 4285 case TARGET_NR_getegid32: 4286 ret = get_errno(getegid()); 4287 break; 4288 #endif 4289 #ifdef TARGET_NR_setreuid32 4290 case TARGET_NR_setreuid32: 4291 ret = get_errno(setreuid(arg1, arg2)); 4292 break; 4293 #endif 4294 #ifdef TARGET_NR_setregid32 4295 case TARGET_NR_setregid32: 4296 ret = get_errno(setregid(arg1, arg2)); 4297 break; 4298 #endif 4299 #ifdef TARGET_NR_getgroups32 4300 case TARGET_NR_getgroups32: 4301 { 4302 int gidsetsize = arg1; 4303 uint32_t *target_grouplist; 4304 gid_t *grouplist; 4305 int i; 4306 4307 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4308 ret = get_errno(getgroups(gidsetsize, grouplist)); 4309 if (!is_error(ret)) { 4310 target_grouplist = lock_user(arg2, gidsetsize * 4, 0); 4311 for(i = 0;i < gidsetsize; i++) 4312 target_grouplist[i] = tswap32(grouplist[i]); 4313 unlock_user(target_grouplist, arg2, gidsetsize * 4); 4314 } 4315 } 4316 break; 4317 #endif 4318 #ifdef TARGET_NR_setgroups32 4319 case TARGET_NR_setgroups32: 4320 { 4321 int gidsetsize = arg1; 4322 uint32_t *target_grouplist; 4323 gid_t *grouplist; 4324 int i; 4325 4326 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4327 target_grouplist = lock_user(arg2, gidsetsize * 4, 1); 4328 for(i = 0;i < gidsetsize; i++) 4329 grouplist[i] = tswap32(target_grouplist[i]); 4330 unlock_user(target_grouplist, arg2, 0); 4331 ret = get_errno(setgroups(gidsetsize, grouplist)); 4332 } 4333 break; 4334 #endif 4335 #ifdef TARGET_NR_fchown32 4336 case TARGET_NR_fchown32: 4337 ret = get_errno(fchown(arg1, arg2, arg3)); 4338 break; 4339 #endif 4340 #ifdef TARGET_NR_setresuid32 4341 case TARGET_NR_setresuid32: 4342 ret = get_errno(setresuid(arg1, arg2, arg3)); 4343 break; 4344 #endif 4345 #ifdef TARGET_NR_getresuid32 4346 case TARGET_NR_getresuid32: 4347 { 4348 uid_t ruid, euid, suid; 4349 ret = get_errno(getresuid(&ruid, &euid, &suid)); 4350 if (!is_error(ret)) { 4351 tput32(arg1, tswap32(ruid)); 4352 tput32(arg2, tswap32(euid)); 4353 tput32(arg3, tswap32(suid)); 4354 } 4355 } 4356 break; 4357 #endif 4358 #ifdef TARGET_NR_setresgid32 4359 case TARGET_NR_setresgid32: 4360 ret = get_errno(setresgid(arg1, arg2, arg3)); 4361 break; 4362 #endif 4363 #ifdef TARGET_NR_getresgid32 4364 case TARGET_NR_getresgid32: 4365 { 4366 gid_t rgid, egid, sgid; 4367 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 4368 if (!is_error(ret)) { 4369 tput32(arg1, tswap32(rgid)); 4370 tput32(arg2, tswap32(egid)); 4371 tput32(arg3, tswap32(sgid)); 4372 } 4373 } 4374 break; 4375 #endif 4376 #ifdef TARGET_NR_chown32 4377 case TARGET_NR_chown32: 4378 p = lock_user_string(arg1); 4379 ret = get_errno(chown(p, arg2, arg3)); 4380 unlock_user(p, arg1, 0); 4381 break; 4382 #endif 4383 #ifdef TARGET_NR_setuid32 4384 case TARGET_NR_setuid32: 4385 ret = get_errno(setuid(arg1)); 4386 break; 4387 #endif 4388 #ifdef TARGET_NR_setgid32 4389 case TARGET_NR_setgid32: 4390 ret = get_errno(setgid(arg1)); 4391 break; 4392 #endif 4393 #ifdef TARGET_NR_setfsuid32 4394 case TARGET_NR_setfsuid32: 4395 ret = get_errno(setfsuid(arg1)); 4396 break; 4397 #endif 4398 #ifdef TARGET_NR_setfsgid32 4399 case TARGET_NR_setfsgid32: 4400 ret = get_errno(setfsgid(arg1)); 4401 break; 4402 #endif 4403 4404 case TARGET_NR_pivot_root: 4405 goto unimplemented; 4406 #ifdef TARGET_NR_mincore 4407 case TARGET_NR_mincore: 4408 goto unimplemented; 4409 #endif 4410 #ifdef TARGET_NR_madvise 4411 case TARGET_NR_madvise: 4412 /* A straight passthrough may not be safe because qemu sometimes 4413 turns private flie-backed mappings into anonymous mappings. 4414 This will break MADV_DONTNEED. 4415 This is a hint, so ignoring and returning success is ok. */ 4416 ret = get_errno(0); 4417 break; 4418 #endif 4419 #if TARGET_LONG_BITS == 32 4420 case TARGET_NR_fcntl64: 4421 { 4422 int cmd; 4423 struct flock64 fl; 4424 struct target_flock64 *target_fl; 4425 #ifdef TARGET_ARM 4426 struct target_eabi_flock64 *target_efl; 4427 #endif 4428 4429 switch(arg2){ 4430 case TARGET_F_GETLK64: 4431 cmd = F_GETLK64; 4432 break; 4433 case TARGET_F_SETLK64: 4434 cmd = F_SETLK64; 4435 break; 4436 case TARGET_F_SETLKW64: 4437 cmd = F_SETLK64; 4438 break; 4439 default: 4440 cmd = arg2; 4441 break; 4442 } 4443 4444 switch(arg2) { 4445 case TARGET_F_GETLK64: 4446 #ifdef TARGET_ARM 4447 if (((CPUARMState *)cpu_env)->eabi) { 4448 lock_user_struct(target_efl, arg3, 1); 4449 fl.l_type = tswap16(target_efl->l_type); 4450 fl.l_whence = tswap16(target_efl->l_whence); 4451 fl.l_start = tswap64(target_efl->l_start); 4452 fl.l_len = tswap64(target_efl->l_len); 4453 fl.l_pid = tswapl(target_efl->l_pid); 4454 unlock_user_struct(target_efl, arg3, 0); 4455 } else 4456 #endif 4457 { 4458 lock_user_struct(target_fl, arg3, 1); 4459 fl.l_type = tswap16(target_fl->l_type); 4460 fl.l_whence = tswap16(target_fl->l_whence); 4461 fl.l_start = tswap64(target_fl->l_start); 4462 fl.l_len = tswap64(target_fl->l_len); 4463 fl.l_pid = tswapl(target_fl->l_pid); 4464 unlock_user_struct(target_fl, arg3, 0); 4465 } 4466 ret = get_errno(fcntl(arg1, cmd, &fl)); 4467 if (ret == 0) { 4468 #ifdef TARGET_ARM 4469 if (((CPUARMState *)cpu_env)->eabi) { 4470 lock_user_struct(target_efl, arg3, 0); 4471 target_efl->l_type = tswap16(fl.l_type); 4472 target_efl->l_whence = tswap16(fl.l_whence); 4473 target_efl->l_start = tswap64(fl.l_start); 4474 target_efl->l_len = tswap64(fl.l_len); 4475 target_efl->l_pid = tswapl(fl.l_pid); 4476 unlock_user_struct(target_efl, arg3, 1); 4477 } else 4478 #endif 4479 { 4480 lock_user_struct(target_fl, arg3, 0); 4481 target_fl->l_type = tswap16(fl.l_type); 4482 target_fl->l_whence = tswap16(fl.l_whence); 4483 target_fl->l_start = tswap64(fl.l_start); 4484 target_fl->l_len = tswap64(fl.l_len); 4485 target_fl->l_pid = tswapl(fl.l_pid); 4486 unlock_user_struct(target_fl, arg3, 1); 4487 } 4488 } 4489 break; 4490 4491 case TARGET_F_SETLK64: 4492 case TARGET_F_SETLKW64: 4493 #ifdef TARGET_ARM 4494 if (((CPUARMState *)cpu_env)->eabi) { 4495 lock_user_struct(target_efl, arg3, 1); 4496 fl.l_type = tswap16(target_efl->l_type); 4497 fl.l_whence = tswap16(target_efl->l_whence); 4498 fl.l_start = tswap64(target_efl->l_start); 4499 fl.l_len = tswap64(target_efl->l_len); 4500 fl.l_pid = tswapl(target_efl->l_pid); 4501 unlock_user_struct(target_efl, arg3, 0); 4502 } else 4503 #endif 4504 { 4505 lock_user_struct(target_fl, arg3, 1); 4506 fl.l_type = tswap16(target_fl->l_type); 4507 fl.l_whence = tswap16(target_fl->l_whence); 4508 fl.l_start = tswap64(target_fl->l_start); 4509 fl.l_len = tswap64(target_fl->l_len); 4510 fl.l_pid = tswapl(target_fl->l_pid); 4511 unlock_user_struct(target_fl, arg3, 0); 4512 } 4513 ret = get_errno(fcntl(arg1, cmd, &fl)); 4514 break; 4515 default: 4516 ret = get_errno(do_fcntl(arg1, cmd, arg3)); 4517 break; 4518 } 4519 break; 4520 } 4521 #endif 4522 #ifdef TARGET_NR_cacheflush 4523 case TARGET_NR_cacheflush: 4524 /* self-modifying code is handled automatically, so nothing needed */ 4525 ret = 0; 4526 break; 4527 #endif 4528 #ifdef TARGET_NR_security 4529 case TARGET_NR_security: 4530 goto unimplemented; 4531 #endif 4532 #ifdef TARGET_NR_getpagesize 4533 case TARGET_NR_getpagesize: 4534 ret = TARGET_PAGE_SIZE; 4535 break; 4536 #endif 4537 case TARGET_NR_gettid: 4538 ret = get_errno(gettid()); 4539 break; 4540 #ifdef TARGET_NR_readahead 4541 case TARGET_NR_readahead: 4542 goto unimplemented; 4543 #endif 4544 #ifdef TARGET_NR_setxattr 4545 case TARGET_NR_setxattr: 4546 case TARGET_NR_lsetxattr: 4547 case TARGET_NR_fsetxattr: 4548 case TARGET_NR_getxattr: 4549 case TARGET_NR_lgetxattr: 4550 case TARGET_NR_fgetxattr: 4551 case TARGET_NR_listxattr: 4552 case TARGET_NR_llistxattr: 4553 case TARGET_NR_flistxattr: 4554 case TARGET_NR_removexattr: 4555 case TARGET_NR_lremovexattr: 4556 case TARGET_NR_fremovexattr: 4557 goto unimplemented_nowarn; 4558 #endif 4559 #ifdef TARGET_NR_set_thread_area 4560 case TARGET_NR_set_thread_area: 4561 #ifdef TARGET_MIPS 4562 ((CPUMIPSState *) cpu_env)->tls_value = arg1; 4563 ret = 0; 4564 break; 4565 #else 4566 goto unimplemented_nowarn; 4567 #endif 4568 #endif 4569 #ifdef TARGET_NR_get_thread_area 4570 case TARGET_NR_get_thread_area: 4571 goto unimplemented_nowarn; 4572 #endif 4573 #ifdef TARGET_NR_getdomainname 4574 case TARGET_NR_getdomainname: 4575 goto unimplemented_nowarn; 4576 #endif 4577 4578 #ifdef TARGET_NR_clock_gettime 4579 case TARGET_NR_clock_gettime: 4580 { 4581 struct timespec ts; 4582 ret = get_errno(clock_gettime(arg1, &ts)); 4583 if (!is_error(ret)) { 4584 host_to_target_timespec(arg2, &ts); 4585 } 4586 break; 4587 } 4588 #endif 4589 #ifdef TARGET_NR_clock_getres 4590 case TARGET_NR_clock_getres: 4591 { 4592 struct timespec ts; 4593 ret = get_errno(clock_getres(arg1, &ts)); 4594 if (!is_error(ret)) { 4595 host_to_target_timespec(arg2, &ts); 4596 } 4597 break; 4598 } 4599 #endif 4600 4601 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) 4602 case TARGET_NR_set_tid_address: 4603 ret = get_errno(set_tid_address((int *) arg1)); 4604 break; 4605 #endif 4606 4607 default: 4608 unimplemented: 4609 gemu_log("qemu: Unsupported syscall: %d\n", num); 4610 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) 4611 unimplemented_nowarn: 4612 #endif 4613 ret = -ENOSYS; 4614 break; 4615 } 4616 fail: 4617 #ifdef DEBUG 4618 gemu_log(" = %ld\n", ret); 4619 #endif 4620 return ret; 4621 } 4622 4623