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_fchownat __NR_fchownat 143 #define __NR_sys_getcwd1 __NR_getcwd 144 #define __NR_sys_getdents __NR_getdents 145 #define __NR_sys_getdents64 __NR_getdents64 146 #define __NR_sys_linkat __NR_linkat 147 #define __NR_sys_mkdirat __NR_mkdirat 148 #define __NR_sys_mknodat __NR_mknodat 149 #define __NR_sys_openat __NR_openat 150 #define __NR_sys_readlinkat __NR_readlinkat 151 #define __NR_sys_renameat __NR_renameat 152 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo 153 #define __NR_sys_symlinkat __NR_symlinkat 154 #define __NR_sys_syslog __NR_syslog 155 #define __NR_sys_tgkill __NR_tgkill 156 #define __NR_sys_tkill __NR_tkill 157 #define __NR_sys_unlinkat __NR_unlinkat 158 159 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) 160 #define __NR__llseek __NR_lseek 161 #endif 162 163 #ifdef __NR_gettid 164 _syscall0(int, gettid) 165 #else 166 static int gettid(void) { 167 return -ENOSYS; 168 } 169 #endif 170 _syscall1(int,sys_uname,struct new_utsname *,buf) 171 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) 172 _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, 173 uid_t,owner,gid_t,group,int,flags) 174 #endif 175 _syscall2(int,sys_getcwd1,char *,buf,size_t,size) 176 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); 177 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) 178 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count); 179 #endif 180 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, 181 loff_t *, res, uint, wh); 182 #if defined(TARGET_NR_linkat) && defined(__NR_linkat) 183 _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath, 184 int,newdirfd,const char *,newpath,int,flags) 185 #endif 186 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) 187 _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) 188 #endif 189 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) 190 _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, 191 mode_t,mode,dev_t,dev) 192 #endif 193 #if defined(TARGET_NR_openat) && defined(__NR_openat) 194 _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) 195 #endif 196 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) 197 _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname, 198 char *,buf,size_t,bufsize) 199 #endif 200 #if defined(TARGET_NR_renameat) && defined(__NR_renameat) 201 _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, 202 int,newdirfd,const char *,newpath) 203 #endif 204 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) 205 #ifdef TARGET_NR_symlinkat 206 _syscall3(int,sys_symlinkat,const char *,oldpath, 207 int,newdirfd,const char *,newpath) 208 #endif 209 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) 210 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) 211 _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) 212 #endif 213 #if defined(TARGET_NR_tkill) && defined(__NR_tkill) 214 _syscall2(int,sys_tkill,int,tid,int,sig) 215 #endif 216 #ifdef __NR_exit_group 217 _syscall1(int,exit_group,int,error_code) 218 #endif 219 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) 220 _syscall1(int,set_tid_address,int *,tidptr) 221 #endif 222 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) 223 _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) 224 #endif 225 226 extern int personality(int); 227 extern int flock(int, int); 228 extern int setfsuid(int); 229 extern int setfsgid(int); 230 extern int setresuid(uid_t, uid_t, uid_t); 231 extern int getresuid(uid_t *, uid_t *, uid_t *); 232 extern int setresgid(gid_t, gid_t, gid_t); 233 extern int getresgid(gid_t *, gid_t *, gid_t *); 234 extern int setgroups(int, gid_t *); 235 236 /* 237 * This list is the union of errno values overridden in asm-<arch>/errno.h 238 * minus the errnos that are not actually generic to all archs. 239 */ 240 static uint16_t host_to_target_errno_table[1200] = { 241 [EIDRM] = TARGET_EIDRM, 242 [ECHRNG] = TARGET_ECHRNG, 243 [EL2NSYNC] = TARGET_EL2NSYNC, 244 [EL3HLT] = TARGET_EL3HLT, 245 [EL3RST] = TARGET_EL3RST, 246 [ELNRNG] = TARGET_ELNRNG, 247 [EUNATCH] = TARGET_EUNATCH, 248 [ENOCSI] = TARGET_ENOCSI, 249 [EL2HLT] = TARGET_EL2HLT, 250 [EDEADLK] = TARGET_EDEADLK, 251 [ENOLCK] = TARGET_ENOLCK, 252 [EBADE] = TARGET_EBADE, 253 [EBADR] = TARGET_EBADR, 254 [EXFULL] = TARGET_EXFULL, 255 [ENOANO] = TARGET_ENOANO, 256 [EBADRQC] = TARGET_EBADRQC, 257 [EBADSLT] = TARGET_EBADSLT, 258 [EBFONT] = TARGET_EBFONT, 259 [ENOSTR] = TARGET_ENOSTR, 260 [ENODATA] = TARGET_ENODATA, 261 [ETIME] = TARGET_ETIME, 262 [ENOSR] = TARGET_ENOSR, 263 [ENONET] = TARGET_ENONET, 264 [ENOPKG] = TARGET_ENOPKG, 265 [EREMOTE] = TARGET_EREMOTE, 266 [ENOLINK] = TARGET_ENOLINK, 267 [EADV] = TARGET_EADV, 268 [ESRMNT] = TARGET_ESRMNT, 269 [ECOMM] = TARGET_ECOMM, 270 [EPROTO] = TARGET_EPROTO, 271 [EDOTDOT] = TARGET_EDOTDOT, 272 [EMULTIHOP] = TARGET_EMULTIHOP, 273 [EBADMSG] = TARGET_EBADMSG, 274 [ENAMETOOLONG] = TARGET_ENAMETOOLONG, 275 [EOVERFLOW] = TARGET_EOVERFLOW, 276 [ENOTUNIQ] = TARGET_ENOTUNIQ, 277 [EBADFD] = TARGET_EBADFD, 278 [EREMCHG] = TARGET_EREMCHG, 279 [ELIBACC] = TARGET_ELIBACC, 280 [ELIBBAD] = TARGET_ELIBBAD, 281 [ELIBSCN] = TARGET_ELIBSCN, 282 [ELIBMAX] = TARGET_ELIBMAX, 283 [ELIBEXEC] = TARGET_ELIBEXEC, 284 [EILSEQ] = TARGET_EILSEQ, 285 [ENOSYS] = TARGET_ENOSYS, 286 [ELOOP] = TARGET_ELOOP, 287 [ERESTART] = TARGET_ERESTART, 288 [ESTRPIPE] = TARGET_ESTRPIPE, 289 [ENOTEMPTY] = TARGET_ENOTEMPTY, 290 [EUSERS] = TARGET_EUSERS, 291 [ENOTSOCK] = TARGET_ENOTSOCK, 292 [EDESTADDRREQ] = TARGET_EDESTADDRREQ, 293 [EMSGSIZE] = TARGET_EMSGSIZE, 294 [EPROTOTYPE] = TARGET_EPROTOTYPE, 295 [ENOPROTOOPT] = TARGET_ENOPROTOOPT, 296 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, 297 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, 298 [EOPNOTSUPP] = TARGET_EOPNOTSUPP, 299 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, 300 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, 301 [EADDRINUSE] = TARGET_EADDRINUSE, 302 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, 303 [ENETDOWN] = TARGET_ENETDOWN, 304 [ENETUNREACH] = TARGET_ENETUNREACH, 305 [ENETRESET] = TARGET_ENETRESET, 306 [ECONNABORTED] = TARGET_ECONNABORTED, 307 [ECONNRESET] = TARGET_ECONNRESET, 308 [ENOBUFS] = TARGET_ENOBUFS, 309 [EISCONN] = TARGET_EISCONN, 310 [ENOTCONN] = TARGET_ENOTCONN, 311 [EUCLEAN] = TARGET_EUCLEAN, 312 [ENOTNAM] = TARGET_ENOTNAM, 313 [ENAVAIL] = TARGET_ENAVAIL, 314 [EISNAM] = TARGET_EISNAM, 315 [EREMOTEIO] = TARGET_EREMOTEIO, 316 [ESHUTDOWN] = TARGET_ESHUTDOWN, 317 [ETOOMANYREFS] = TARGET_ETOOMANYREFS, 318 [ETIMEDOUT] = TARGET_ETIMEDOUT, 319 [ECONNREFUSED] = TARGET_ECONNREFUSED, 320 [EHOSTDOWN] = TARGET_EHOSTDOWN, 321 [EHOSTUNREACH] = TARGET_EHOSTUNREACH, 322 [EALREADY] = TARGET_EALREADY, 323 [EINPROGRESS] = TARGET_EINPROGRESS, 324 [ESTALE] = TARGET_ESTALE, 325 [ECANCELED] = TARGET_ECANCELED, 326 [ENOMEDIUM] = TARGET_ENOMEDIUM, 327 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, 328 #ifdef ENOKEY 329 [ENOKEY] = TARGET_ENOKEY, 330 #endif 331 #ifdef EKEYEXPIRED 332 [EKEYEXPIRED] = TARGET_EKEYEXPIRED, 333 #endif 334 #ifdef EKEYREVOKED 335 [EKEYREVOKED] = TARGET_EKEYREVOKED, 336 #endif 337 #ifdef EKEYREJECTED 338 [EKEYREJECTED] = TARGET_EKEYREJECTED, 339 #endif 340 #ifdef EOWNERDEAD 341 [EOWNERDEAD] = TARGET_EOWNERDEAD, 342 #endif 343 #ifdef ENOTRECOVERABLE 344 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, 345 #endif 346 }; 347 348 static inline int host_to_target_errno(int err) 349 { 350 if(host_to_target_errno_table[err]) 351 return host_to_target_errno_table[err]; 352 return err; 353 } 354 355 static inline long get_errno(long ret) 356 { 357 if (ret == -1) 358 return -host_to_target_errno(errno); 359 else 360 return ret; 361 } 362 363 static inline int is_error(long ret) 364 { 365 return (unsigned long)ret >= (unsigned long)(-4096); 366 } 367 368 static target_ulong target_brk; 369 static target_ulong target_original_brk; 370 371 void target_set_brk(target_ulong new_brk) 372 { 373 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); 374 } 375 376 long do_brk(target_ulong new_brk) 377 { 378 target_ulong brk_page; 379 long mapped_addr; 380 int new_alloc_size; 381 382 if (!new_brk) 383 return target_brk; 384 if (new_brk < target_original_brk) 385 return -ENOMEM; 386 387 brk_page = HOST_PAGE_ALIGN(target_brk); 388 389 /* If the new brk is less than this, set it and we're done... */ 390 if (new_brk < brk_page) { 391 target_brk = new_brk; 392 return target_brk; 393 } 394 395 /* We need to allocate more memory after the brk... */ 396 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1); 397 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, 398 PROT_READ|PROT_WRITE, 399 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); 400 if (is_error(mapped_addr)) { 401 return mapped_addr; 402 } else { 403 target_brk = new_brk; 404 return target_brk; 405 } 406 } 407 408 static inline fd_set *target_to_host_fds(fd_set *fds, 409 target_long *target_fds, int n) 410 { 411 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 412 return (fd_set *)target_fds; 413 #else 414 int i, b; 415 if (target_fds) { 416 FD_ZERO(fds); 417 for(i = 0;i < n; i++) { 418 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> 419 (i & (TARGET_LONG_BITS - 1))) & 1; 420 if (b) 421 FD_SET(i, fds); 422 } 423 return fds; 424 } else { 425 return NULL; 426 } 427 #endif 428 } 429 430 static inline void host_to_target_fds(target_long *target_fds, 431 fd_set *fds, int n) 432 { 433 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 434 /* nothing to do */ 435 #else 436 int i, nw, j, k; 437 target_long v; 438 439 if (target_fds) { 440 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS; 441 k = 0; 442 for(i = 0;i < nw; i++) { 443 v = 0; 444 for(j = 0; j < TARGET_LONG_BITS; j++) { 445 v |= ((FD_ISSET(k, fds) != 0) << j); 446 k++; 447 } 448 target_fds[i] = tswapl(v); 449 } 450 } 451 #endif 452 } 453 454 #if defined(__alpha__) 455 #define HOST_HZ 1024 456 #else 457 #define HOST_HZ 100 458 #endif 459 460 static inline long host_to_target_clock_t(long ticks) 461 { 462 #if HOST_HZ == TARGET_HZ 463 return ticks; 464 #else 465 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; 466 #endif 467 } 468 469 static inline void host_to_target_rusage(target_ulong target_addr, 470 const struct rusage *rusage) 471 { 472 struct target_rusage *target_rusage; 473 474 lock_user_struct(target_rusage, target_addr, 0); 475 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); 476 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); 477 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); 478 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); 479 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); 480 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); 481 target_rusage->ru_idrss = tswapl(rusage->ru_idrss); 482 target_rusage->ru_isrss = tswapl(rusage->ru_isrss); 483 target_rusage->ru_minflt = tswapl(rusage->ru_minflt); 484 target_rusage->ru_majflt = tswapl(rusage->ru_majflt); 485 target_rusage->ru_nswap = tswapl(rusage->ru_nswap); 486 target_rusage->ru_inblock = tswapl(rusage->ru_inblock); 487 target_rusage->ru_oublock = tswapl(rusage->ru_oublock); 488 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); 489 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); 490 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); 491 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); 492 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); 493 unlock_user_struct(target_rusage, target_addr, 1); 494 } 495 496 static inline void target_to_host_timeval(struct timeval *tv, 497 target_ulong target_addr) 498 { 499 struct target_timeval *target_tv; 500 501 lock_user_struct(target_tv, target_addr, 1); 502 tv->tv_sec = tswapl(target_tv->tv_sec); 503 tv->tv_usec = tswapl(target_tv->tv_usec); 504 unlock_user_struct(target_tv, target_addr, 0); 505 } 506 507 static inline void host_to_target_timeval(target_ulong target_addr, 508 const struct timeval *tv) 509 { 510 struct target_timeval *target_tv; 511 512 lock_user_struct(target_tv, target_addr, 0); 513 target_tv->tv_sec = tswapl(tv->tv_sec); 514 target_tv->tv_usec = tswapl(tv->tv_usec); 515 unlock_user_struct(target_tv, target_addr, 1); 516 } 517 518 519 static long do_select(long n, 520 target_ulong rfd_p, target_ulong wfd_p, 521 target_ulong efd_p, target_ulong target_tv) 522 { 523 fd_set rfds, wfds, efds; 524 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; 525 target_long *target_rfds, *target_wfds, *target_efds; 526 struct timeval tv, *tv_ptr; 527 long ret; 528 int ok; 529 530 if (rfd_p) { 531 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1); 532 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); 533 } else { 534 target_rfds = NULL; 535 rfds_ptr = NULL; 536 } 537 if (wfd_p) { 538 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1); 539 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); 540 } else { 541 target_wfds = NULL; 542 wfds_ptr = NULL; 543 } 544 if (efd_p) { 545 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1); 546 efds_ptr = target_to_host_fds(&efds, target_efds, n); 547 } else { 548 target_efds = NULL; 549 efds_ptr = NULL; 550 } 551 552 if (target_tv) { 553 target_to_host_timeval(&tv, target_tv); 554 tv_ptr = &tv; 555 } else { 556 tv_ptr = NULL; 557 } 558 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); 559 ok = !is_error(ret); 560 561 if (ok) { 562 host_to_target_fds(target_rfds, rfds_ptr, n); 563 host_to_target_fds(target_wfds, wfds_ptr, n); 564 host_to_target_fds(target_efds, efds_ptr, n); 565 566 if (target_tv) { 567 host_to_target_timeval(target_tv, &tv); 568 } 569 } 570 if (target_rfds) 571 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0); 572 if (target_wfds) 573 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0); 574 if (target_efds) 575 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0); 576 577 return ret; 578 } 579 580 static inline void target_to_host_sockaddr(struct sockaddr *addr, 581 target_ulong target_addr, 582 socklen_t len) 583 { 584 struct target_sockaddr *target_saddr; 585 586 target_saddr = lock_user(target_addr, len, 1); 587 memcpy(addr, target_saddr, len); 588 addr->sa_family = tswap16(target_saddr->sa_family); 589 unlock_user(target_saddr, target_addr, 0); 590 } 591 592 static inline void host_to_target_sockaddr(target_ulong target_addr, 593 struct sockaddr *addr, 594 socklen_t len) 595 { 596 struct target_sockaddr *target_saddr; 597 598 target_saddr = lock_user(target_addr, len, 0); 599 memcpy(target_saddr, addr, len); 600 target_saddr->sa_family = tswap16(addr->sa_family); 601 unlock_user(target_saddr, target_addr, len); 602 } 603 604 /* ??? Should this also swap msgh->name? */ 605 static inline void target_to_host_cmsg(struct msghdr *msgh, 606 struct target_msghdr *target_msgh) 607 { 608 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 609 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 610 socklen_t space = 0; 611 612 while (cmsg && target_cmsg) { 613 void *data = CMSG_DATA(cmsg); 614 void *target_data = TARGET_CMSG_DATA(target_cmsg); 615 616 int len = tswapl(target_cmsg->cmsg_len) 617 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); 618 619 space += CMSG_SPACE(len); 620 if (space > msgh->msg_controllen) { 621 space -= CMSG_SPACE(len); 622 gemu_log("Host cmsg overflow\n"); 623 break; 624 } 625 626 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); 627 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); 628 cmsg->cmsg_len = CMSG_LEN(len); 629 630 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 631 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 632 memcpy(data, target_data, len); 633 } else { 634 int *fd = (int *)data; 635 int *target_fd = (int *)target_data; 636 int i, numfds = len / sizeof(int); 637 638 for (i = 0; i < numfds; i++) 639 fd[i] = tswap32(target_fd[i]); 640 } 641 642 cmsg = CMSG_NXTHDR(msgh, cmsg); 643 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 644 } 645 646 msgh->msg_controllen = space; 647 } 648 649 /* ??? Should this also swap msgh->name? */ 650 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh, 651 struct msghdr *msgh) 652 { 653 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 654 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 655 socklen_t space = 0; 656 657 while (cmsg && target_cmsg) { 658 void *data = CMSG_DATA(cmsg); 659 void *target_data = TARGET_CMSG_DATA(target_cmsg); 660 661 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); 662 663 space += TARGET_CMSG_SPACE(len); 664 if (space > tswapl(target_msgh->msg_controllen)) { 665 space -= TARGET_CMSG_SPACE(len); 666 gemu_log("Target cmsg overflow\n"); 667 break; 668 } 669 670 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); 671 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); 672 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); 673 674 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 675 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 676 memcpy(target_data, data, len); 677 } else { 678 int *fd = (int *)data; 679 int *target_fd = (int *)target_data; 680 int i, numfds = len / sizeof(int); 681 682 for (i = 0; i < numfds; i++) 683 target_fd[i] = tswap32(fd[i]); 684 } 685 686 cmsg = CMSG_NXTHDR(msgh, cmsg); 687 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 688 } 689 690 msgh->msg_controllen = tswapl(space); 691 } 692 693 static long do_setsockopt(int sockfd, int level, int optname, 694 target_ulong optval, socklen_t optlen) 695 { 696 int val, ret; 697 698 switch(level) { 699 case SOL_TCP: 700 /* TCP options all take an 'int' value. */ 701 if (optlen < sizeof(uint32_t)) 702 return -EINVAL; 703 704 val = tget32(optval); 705 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 706 break; 707 case SOL_IP: 708 switch(optname) { 709 case IP_TOS: 710 case IP_TTL: 711 case IP_HDRINCL: 712 case IP_ROUTER_ALERT: 713 case IP_RECVOPTS: 714 case IP_RETOPTS: 715 case IP_PKTINFO: 716 case IP_MTU_DISCOVER: 717 case IP_RECVERR: 718 case IP_RECVTOS: 719 #ifdef IP_FREEBIND 720 case IP_FREEBIND: 721 #endif 722 case IP_MULTICAST_TTL: 723 case IP_MULTICAST_LOOP: 724 val = 0; 725 if (optlen >= sizeof(uint32_t)) { 726 val = tget32(optval); 727 } else if (optlen >= 1) { 728 val = tget8(optval); 729 } 730 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 731 break; 732 default: 733 goto unimplemented; 734 } 735 break; 736 case TARGET_SOL_SOCKET: 737 switch (optname) { 738 /* Options with 'int' argument. */ 739 case TARGET_SO_DEBUG: 740 optname = SO_DEBUG; 741 break; 742 case TARGET_SO_REUSEADDR: 743 optname = SO_REUSEADDR; 744 break; 745 case TARGET_SO_TYPE: 746 optname = SO_TYPE; 747 break; 748 case TARGET_SO_ERROR: 749 optname = SO_ERROR; 750 break; 751 case TARGET_SO_DONTROUTE: 752 optname = SO_DONTROUTE; 753 break; 754 case TARGET_SO_BROADCAST: 755 optname = SO_BROADCAST; 756 break; 757 case TARGET_SO_SNDBUF: 758 optname = SO_SNDBUF; 759 break; 760 case TARGET_SO_RCVBUF: 761 optname = SO_RCVBUF; 762 break; 763 case TARGET_SO_KEEPALIVE: 764 optname = SO_KEEPALIVE; 765 break; 766 case TARGET_SO_OOBINLINE: 767 optname = SO_OOBINLINE; 768 break; 769 case TARGET_SO_NO_CHECK: 770 optname = SO_NO_CHECK; 771 break; 772 case TARGET_SO_PRIORITY: 773 optname = SO_PRIORITY; 774 break; 775 #ifdef SO_BSDCOMPAT 776 case TARGET_SO_BSDCOMPAT: 777 optname = SO_BSDCOMPAT; 778 break; 779 #endif 780 case TARGET_SO_PASSCRED: 781 optname = SO_PASSCRED; 782 break; 783 case TARGET_SO_TIMESTAMP: 784 optname = SO_TIMESTAMP; 785 break; 786 case TARGET_SO_RCVLOWAT: 787 optname = SO_RCVLOWAT; 788 break; 789 case TARGET_SO_RCVTIMEO: 790 optname = SO_RCVTIMEO; 791 break; 792 case TARGET_SO_SNDTIMEO: 793 optname = SO_SNDTIMEO; 794 break; 795 break; 796 default: 797 goto unimplemented; 798 } 799 if (optlen < sizeof(uint32_t)) 800 return -EINVAL; 801 802 val = tget32(optval); 803 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); 804 break; 805 default: 806 unimplemented: 807 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); 808 ret = -ENOSYS; 809 } 810 return ret; 811 } 812 813 static long do_getsockopt(int sockfd, int level, int optname, 814 target_ulong optval, target_ulong optlen) 815 { 816 int len, lv, val, ret; 817 818 switch(level) { 819 case TARGET_SOL_SOCKET: 820 level = SOL_SOCKET; 821 switch (optname) { 822 case TARGET_SO_LINGER: 823 case TARGET_SO_RCVTIMEO: 824 case TARGET_SO_SNDTIMEO: 825 case TARGET_SO_PEERCRED: 826 case TARGET_SO_PEERNAME: 827 /* These don't just return a single integer */ 828 goto unimplemented; 829 default: 830 goto int_case; 831 } 832 break; 833 case SOL_TCP: 834 /* TCP options all take an 'int' value. */ 835 int_case: 836 len = tget32(optlen); 837 if (len < 0) 838 return -EINVAL; 839 lv = sizeof(int); 840 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 841 if (ret < 0) 842 return ret; 843 val = tswap32(val); 844 if (len > lv) 845 len = lv; 846 if (len == 4) 847 tput32(optval, val); 848 else 849 tput8(optval, val); 850 tput32(optlen, len); 851 break; 852 case SOL_IP: 853 switch(optname) { 854 case IP_TOS: 855 case IP_TTL: 856 case IP_HDRINCL: 857 case IP_ROUTER_ALERT: 858 case IP_RECVOPTS: 859 case IP_RETOPTS: 860 case IP_PKTINFO: 861 case IP_MTU_DISCOVER: 862 case IP_RECVERR: 863 case IP_RECVTOS: 864 #ifdef IP_FREEBIND 865 case IP_FREEBIND: 866 #endif 867 case IP_MULTICAST_TTL: 868 case IP_MULTICAST_LOOP: 869 len = tget32(optlen); 870 if (len < 0) 871 return -EINVAL; 872 lv = sizeof(int); 873 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 874 if (ret < 0) 875 return ret; 876 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { 877 len = 1; 878 tput32(optlen, len); 879 tput8(optval, val); 880 } else { 881 if (len > sizeof(int)) 882 len = sizeof(int); 883 tput32(optlen, len); 884 tput32(optval, val); 885 } 886 break; 887 default: 888 goto unimplemented; 889 } 890 break; 891 default: 892 unimplemented: 893 gemu_log("getsockopt level=%d optname=%d not yet supported\n", 894 level, optname); 895 ret = -ENOSYS; 896 break; 897 } 898 return ret; 899 } 900 901 static void lock_iovec(struct iovec *vec, target_ulong target_addr, 902 int count, int copy) 903 { 904 struct target_iovec *target_vec; 905 target_ulong base; 906 int i; 907 908 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1); 909 for(i = 0;i < count; i++) { 910 base = tswapl(target_vec[i].iov_base); 911 vec[i].iov_len = tswapl(target_vec[i].iov_len); 912 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy); 913 } 914 unlock_user (target_vec, target_addr, 0); 915 } 916 917 static void unlock_iovec(struct iovec *vec, target_ulong target_addr, 918 int count, int copy) 919 { 920 struct target_iovec *target_vec; 921 target_ulong base; 922 int i; 923 924 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1); 925 for(i = 0;i < count; i++) { 926 base = tswapl(target_vec[i].iov_base); 927 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); 928 } 929 unlock_user (target_vec, target_addr, 0); 930 } 931 932 static long do_socket(int domain, int type, int protocol) 933 { 934 #if defined(TARGET_MIPS) 935 switch(type) { 936 case TARGET_SOCK_DGRAM: 937 type = SOCK_DGRAM; 938 break; 939 case TARGET_SOCK_STREAM: 940 type = SOCK_STREAM; 941 break; 942 case TARGET_SOCK_RAW: 943 type = SOCK_RAW; 944 break; 945 case TARGET_SOCK_RDM: 946 type = SOCK_RDM; 947 break; 948 case TARGET_SOCK_SEQPACKET: 949 type = SOCK_SEQPACKET; 950 break; 951 case TARGET_SOCK_PACKET: 952 type = SOCK_PACKET; 953 break; 954 } 955 #endif 956 return get_errno(socket(domain, type, protocol)); 957 } 958 959 static long do_bind(int sockfd, target_ulong target_addr, 960 socklen_t addrlen) 961 { 962 void *addr = alloca(addrlen); 963 964 target_to_host_sockaddr(addr, target_addr, addrlen); 965 return get_errno(bind(sockfd, addr, addrlen)); 966 } 967 968 static long do_connect(int sockfd, target_ulong target_addr, 969 socklen_t addrlen) 970 { 971 void *addr = alloca(addrlen); 972 973 target_to_host_sockaddr(addr, target_addr, addrlen); 974 return get_errno(connect(sockfd, addr, addrlen)); 975 } 976 977 static long do_sendrecvmsg(int fd, target_ulong target_msg, 978 int flags, int send) 979 { 980 long ret; 981 struct target_msghdr *msgp; 982 struct msghdr msg; 983 int count; 984 struct iovec *vec; 985 target_ulong target_vec; 986 987 lock_user_struct(msgp, target_msg, 1); 988 if (msgp->msg_name) { 989 msg.msg_namelen = tswap32(msgp->msg_namelen); 990 msg.msg_name = alloca(msg.msg_namelen); 991 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name), 992 msg.msg_namelen); 993 } else { 994 msg.msg_name = NULL; 995 msg.msg_namelen = 0; 996 } 997 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); 998 msg.msg_control = alloca(msg.msg_controllen); 999 msg.msg_flags = tswap32(msgp->msg_flags); 1000 1001 count = tswapl(msgp->msg_iovlen); 1002 vec = alloca(count * sizeof(struct iovec)); 1003 target_vec = tswapl(msgp->msg_iov); 1004 lock_iovec(vec, target_vec, count, send); 1005 msg.msg_iovlen = count; 1006 msg.msg_iov = vec; 1007 1008 if (send) { 1009 target_to_host_cmsg(&msg, msgp); 1010 ret = get_errno(sendmsg(fd, &msg, flags)); 1011 } else { 1012 ret = get_errno(recvmsg(fd, &msg, flags)); 1013 if (!is_error(ret)) 1014 host_to_target_cmsg(msgp, &msg); 1015 } 1016 unlock_iovec(vec, target_vec, count, !send); 1017 return ret; 1018 } 1019 1020 static long do_accept(int fd, target_ulong target_addr, 1021 target_ulong target_addrlen) 1022 { 1023 socklen_t addrlen = tget32(target_addrlen); 1024 void *addr = alloca(addrlen); 1025 long ret; 1026 1027 ret = get_errno(accept(fd, addr, &addrlen)); 1028 if (!is_error(ret)) { 1029 host_to_target_sockaddr(target_addr, addr, addrlen); 1030 tput32(target_addrlen, addrlen); 1031 } 1032 return ret; 1033 } 1034 1035 static long do_getpeername(int fd, target_ulong target_addr, 1036 target_ulong target_addrlen) 1037 { 1038 socklen_t addrlen = tget32(target_addrlen); 1039 void *addr = alloca(addrlen); 1040 long ret; 1041 1042 ret = get_errno(getpeername(fd, addr, &addrlen)); 1043 if (!is_error(ret)) { 1044 host_to_target_sockaddr(target_addr, addr, addrlen); 1045 tput32(target_addrlen, addrlen); 1046 } 1047 return ret; 1048 } 1049 1050 static long do_getsockname(int fd, target_ulong target_addr, 1051 target_ulong target_addrlen) 1052 { 1053 socklen_t addrlen = tget32(target_addrlen); 1054 void *addr = alloca(addrlen); 1055 long ret; 1056 1057 ret = get_errno(getsockname(fd, addr, &addrlen)); 1058 if (!is_error(ret)) { 1059 host_to_target_sockaddr(target_addr, addr, addrlen); 1060 tput32(target_addrlen, addrlen); 1061 } 1062 return ret; 1063 } 1064 1065 static long do_socketpair(int domain, int type, int protocol, 1066 target_ulong target_tab) 1067 { 1068 int tab[2]; 1069 long ret; 1070 1071 ret = get_errno(socketpair(domain, type, protocol, tab)); 1072 if (!is_error(ret)) { 1073 tput32(target_tab, tab[0]); 1074 tput32(target_tab + 4, tab[1]); 1075 } 1076 return ret; 1077 } 1078 1079 static long do_sendto(int fd, target_ulong msg, size_t len, int flags, 1080 target_ulong target_addr, socklen_t addrlen) 1081 { 1082 void *addr; 1083 void *host_msg; 1084 long ret; 1085 1086 host_msg = lock_user(msg, len, 1); 1087 if (target_addr) { 1088 addr = alloca(addrlen); 1089 target_to_host_sockaddr(addr, target_addr, addrlen); 1090 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); 1091 } else { 1092 ret = get_errno(send(fd, host_msg, len, flags)); 1093 } 1094 unlock_user(host_msg, msg, 0); 1095 return ret; 1096 } 1097 1098 static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags, 1099 target_ulong target_addr, target_ulong target_addrlen) 1100 { 1101 socklen_t addrlen; 1102 void *addr; 1103 void *host_msg; 1104 long ret; 1105 1106 host_msg = lock_user(msg, len, 0); 1107 if (target_addr) { 1108 addrlen = tget32(target_addrlen); 1109 addr = alloca(addrlen); 1110 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); 1111 } else { 1112 addr = NULL; /* To keep compiler quiet. */ 1113 ret = get_errno(recv(fd, host_msg, len, flags)); 1114 } 1115 if (!is_error(ret)) { 1116 if (target_addr) { 1117 host_to_target_sockaddr(target_addr, addr, addrlen); 1118 tput32(target_addrlen, addrlen); 1119 } 1120 unlock_user(host_msg, msg, len); 1121 } else { 1122 unlock_user(host_msg, msg, 0); 1123 } 1124 return ret; 1125 } 1126 1127 static long do_socketcall(int num, target_ulong vptr) 1128 { 1129 long ret; 1130 const int n = sizeof(target_ulong); 1131 1132 switch(num) { 1133 case SOCKOP_socket: 1134 { 1135 int domain = tgetl(vptr); 1136 int type = tgetl(vptr + n); 1137 int protocol = tgetl(vptr + 2 * n); 1138 ret = do_socket(domain, type, protocol); 1139 } 1140 break; 1141 case SOCKOP_bind: 1142 { 1143 int sockfd = tgetl(vptr); 1144 target_ulong target_addr = tgetl(vptr + n); 1145 socklen_t addrlen = tgetl(vptr + 2 * n); 1146 ret = do_bind(sockfd, target_addr, addrlen); 1147 } 1148 break; 1149 case SOCKOP_connect: 1150 { 1151 int sockfd = tgetl(vptr); 1152 target_ulong target_addr = tgetl(vptr + n); 1153 socklen_t addrlen = tgetl(vptr + 2 * n); 1154 ret = do_connect(sockfd, target_addr, addrlen); 1155 } 1156 break; 1157 case SOCKOP_listen: 1158 { 1159 int sockfd = tgetl(vptr); 1160 int backlog = tgetl(vptr + n); 1161 ret = get_errno(listen(sockfd, backlog)); 1162 } 1163 break; 1164 case SOCKOP_accept: 1165 { 1166 int sockfd = tgetl(vptr); 1167 target_ulong target_addr = tgetl(vptr + n); 1168 target_ulong target_addrlen = tgetl(vptr + 2 * n); 1169 ret = do_accept(sockfd, target_addr, target_addrlen); 1170 } 1171 break; 1172 case SOCKOP_getsockname: 1173 { 1174 int sockfd = tgetl(vptr); 1175 target_ulong target_addr = tgetl(vptr + n); 1176 target_ulong target_addrlen = tgetl(vptr + 2 * n); 1177 ret = do_getsockname(sockfd, target_addr, target_addrlen); 1178 } 1179 break; 1180 case SOCKOP_getpeername: 1181 { 1182 int sockfd = tgetl(vptr); 1183 target_ulong target_addr = tgetl(vptr + n); 1184 target_ulong target_addrlen = tgetl(vptr + 2 * n); 1185 ret = do_getpeername(sockfd, target_addr, target_addrlen); 1186 } 1187 break; 1188 case SOCKOP_socketpair: 1189 { 1190 int domain = tgetl(vptr); 1191 int type = tgetl(vptr + n); 1192 int protocol = tgetl(vptr + 2 * n); 1193 target_ulong tab = tgetl(vptr + 3 * n); 1194 ret = do_socketpair(domain, type, protocol, tab); 1195 } 1196 break; 1197 case SOCKOP_send: 1198 { 1199 int sockfd = tgetl(vptr); 1200 target_ulong msg = tgetl(vptr + n); 1201 size_t len = tgetl(vptr + 2 * n); 1202 int flags = tgetl(vptr + 3 * n); 1203 ret = do_sendto(sockfd, msg, len, flags, 0, 0); 1204 } 1205 break; 1206 case SOCKOP_recv: 1207 { 1208 int sockfd = tgetl(vptr); 1209 target_ulong msg = tgetl(vptr + n); 1210 size_t len = tgetl(vptr + 2 * n); 1211 int flags = tgetl(vptr + 3 * n); 1212 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); 1213 } 1214 break; 1215 case SOCKOP_sendto: 1216 { 1217 int sockfd = tgetl(vptr); 1218 target_ulong msg = tgetl(vptr + n); 1219 size_t len = tgetl(vptr + 2 * n); 1220 int flags = tgetl(vptr + 3 * n); 1221 target_ulong addr = tgetl(vptr + 4 * n); 1222 socklen_t addrlen = tgetl(vptr + 5 * n); 1223 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); 1224 } 1225 break; 1226 case SOCKOP_recvfrom: 1227 { 1228 int sockfd = tgetl(vptr); 1229 target_ulong msg = tgetl(vptr + n); 1230 size_t len = tgetl(vptr + 2 * n); 1231 int flags = tgetl(vptr + 3 * n); 1232 target_ulong addr = tgetl(vptr + 4 * n); 1233 target_ulong addrlen = tgetl(vptr + 5 * n); 1234 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); 1235 } 1236 break; 1237 case SOCKOP_shutdown: 1238 { 1239 int sockfd = tgetl(vptr); 1240 int how = tgetl(vptr + n); 1241 1242 ret = get_errno(shutdown(sockfd, how)); 1243 } 1244 break; 1245 case SOCKOP_sendmsg: 1246 case SOCKOP_recvmsg: 1247 { 1248 int fd; 1249 target_ulong target_msg; 1250 int flags; 1251 1252 fd = tgetl(vptr); 1253 target_msg = tgetl(vptr + n); 1254 flags = tgetl(vptr + 2 * n); 1255 1256 ret = do_sendrecvmsg(fd, target_msg, flags, 1257 (num == SOCKOP_sendmsg)); 1258 } 1259 break; 1260 case SOCKOP_setsockopt: 1261 { 1262 int sockfd = tgetl(vptr); 1263 int level = tgetl(vptr + n); 1264 int optname = tgetl(vptr + 2 * n); 1265 target_ulong optval = tgetl(vptr + 3 * n); 1266 socklen_t optlen = tgetl(vptr + 4 * n); 1267 1268 ret = do_setsockopt(sockfd, level, optname, optval, optlen); 1269 } 1270 break; 1271 case SOCKOP_getsockopt: 1272 { 1273 int sockfd = tgetl(vptr); 1274 int level = tgetl(vptr + n); 1275 int optname = tgetl(vptr + 2 * n); 1276 target_ulong optval = tgetl(vptr + 3 * n); 1277 target_ulong poptlen = tgetl(vptr + 4 * n); 1278 1279 ret = do_getsockopt(sockfd, level, optname, optval, poptlen); 1280 } 1281 break; 1282 default: 1283 gemu_log("Unsupported socketcall: %d\n", num); 1284 ret = -ENOSYS; 1285 break; 1286 } 1287 return ret; 1288 } 1289 1290 #define N_SHM_REGIONS 32 1291 1292 static struct shm_region { 1293 uint32_t start; 1294 uint32_t size; 1295 } shm_regions[N_SHM_REGIONS]; 1296 1297 struct target_ipc_perm 1298 { 1299 target_long __key; 1300 target_ulong uid; 1301 target_ulong gid; 1302 target_ulong cuid; 1303 target_ulong cgid; 1304 unsigned short int mode; 1305 unsigned short int __pad1; 1306 unsigned short int __seq; 1307 unsigned short int __pad2; 1308 target_ulong __unused1; 1309 target_ulong __unused2; 1310 }; 1311 1312 struct target_semid_ds 1313 { 1314 struct target_ipc_perm sem_perm; 1315 target_ulong sem_otime; 1316 target_ulong __unused1; 1317 target_ulong sem_ctime; 1318 target_ulong __unused2; 1319 target_ulong sem_nsems; 1320 target_ulong __unused3; 1321 target_ulong __unused4; 1322 }; 1323 1324 static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip, 1325 target_ulong target_addr) 1326 { 1327 struct target_ipc_perm *target_ip; 1328 struct target_semid_ds *target_sd; 1329 1330 lock_user_struct(target_sd, target_addr, 1); 1331 target_ip=&(target_sd->sem_perm); 1332 host_ip->__key = tswapl(target_ip->__key); 1333 host_ip->uid = tswapl(target_ip->uid); 1334 host_ip->gid = tswapl(target_ip->gid); 1335 host_ip->cuid = tswapl(target_ip->cuid); 1336 host_ip->cgid = tswapl(target_ip->cgid); 1337 host_ip->mode = tswapl(target_ip->mode); 1338 unlock_user_struct(target_sd, target_addr, 0); 1339 } 1340 1341 static inline void host_to_target_ipc_perm(target_ulong target_addr, 1342 struct ipc_perm *host_ip) 1343 { 1344 struct target_ipc_perm *target_ip; 1345 struct target_semid_ds *target_sd; 1346 1347 lock_user_struct(target_sd, target_addr, 0); 1348 target_ip = &(target_sd->sem_perm); 1349 target_ip->__key = tswapl(host_ip->__key); 1350 target_ip->uid = tswapl(host_ip->uid); 1351 target_ip->gid = tswapl(host_ip->gid); 1352 target_ip->cuid = tswapl(host_ip->cuid); 1353 target_ip->cgid = tswapl(host_ip->cgid); 1354 target_ip->mode = tswapl(host_ip->mode); 1355 unlock_user_struct(target_sd, target_addr, 1); 1356 } 1357 1358 static inline void target_to_host_semid_ds(struct semid_ds *host_sd, 1359 target_ulong target_addr) 1360 { 1361 struct target_semid_ds *target_sd; 1362 1363 lock_user_struct(target_sd, target_addr, 1); 1364 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr); 1365 host_sd->sem_nsems = tswapl(target_sd->sem_nsems); 1366 host_sd->sem_otime = tswapl(target_sd->sem_otime); 1367 host_sd->sem_ctime = tswapl(target_sd->sem_ctime); 1368 unlock_user_struct(target_sd, target_addr, 0); 1369 } 1370 1371 static inline void host_to_target_semid_ds(target_ulong target_addr, 1372 struct semid_ds *host_sd) 1373 { 1374 struct target_semid_ds *target_sd; 1375 1376 lock_user_struct(target_sd, target_addr, 0); 1377 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)); 1378 target_sd->sem_nsems = tswapl(host_sd->sem_nsems); 1379 target_sd->sem_otime = tswapl(host_sd->sem_otime); 1380 target_sd->sem_ctime = tswapl(host_sd->sem_ctime); 1381 unlock_user_struct(target_sd, target_addr, 1); 1382 } 1383 1384 union semun { 1385 int val; 1386 struct semid_ds *buf; 1387 unsigned short *array; 1388 }; 1389 1390 union target_semun { 1391 int val; 1392 target_long buf; 1393 unsigned short int *array; 1394 }; 1395 1396 static inline void target_to_host_semun(unsigned long cmd, 1397 union semun *host_su, 1398 target_ulong target_addr, 1399 struct semid_ds *ds) 1400 { 1401 union target_semun *target_su; 1402 1403 switch( cmd ) { 1404 case IPC_STAT: 1405 case IPC_SET: 1406 lock_user_struct(target_su, target_addr, 1); 1407 target_to_host_semid_ds(ds,target_su->buf); 1408 host_su->buf = ds; 1409 unlock_user_struct(target_su, target_addr, 0); 1410 break; 1411 case GETVAL: 1412 case SETVAL: 1413 lock_user_struct(target_su, target_addr, 1); 1414 host_su->val = tswapl(target_su->val); 1415 unlock_user_struct(target_su, target_addr, 0); 1416 break; 1417 case GETALL: 1418 case SETALL: 1419 lock_user_struct(target_su, target_addr, 1); 1420 *host_su->array = tswap16(*target_su->array); 1421 unlock_user_struct(target_su, target_addr, 0); 1422 break; 1423 default: 1424 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1425 } 1426 } 1427 1428 static inline void host_to_target_semun(unsigned long cmd, 1429 target_ulong target_addr, 1430 union semun *host_su, 1431 struct semid_ds *ds) 1432 { 1433 union target_semun *target_su; 1434 1435 switch( cmd ) { 1436 case IPC_STAT: 1437 case IPC_SET: 1438 lock_user_struct(target_su, target_addr, 0); 1439 host_to_target_semid_ds(target_su->buf,ds); 1440 unlock_user_struct(target_su, target_addr, 1); 1441 break; 1442 case GETVAL: 1443 case SETVAL: 1444 lock_user_struct(target_su, target_addr, 0); 1445 target_su->val = tswapl(host_su->val); 1446 unlock_user_struct(target_su, target_addr, 1); 1447 break; 1448 case GETALL: 1449 case SETALL: 1450 lock_user_struct(target_su, target_addr, 0); 1451 *target_su->array = tswap16(*host_su->array); 1452 unlock_user_struct(target_su, target_addr, 1); 1453 break; 1454 default: 1455 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1456 } 1457 } 1458 1459 static inline long do_semctl(long first, long second, long third, long ptr) 1460 { 1461 union semun arg; 1462 struct semid_ds dsarg; 1463 int cmd = third&0xff; 1464 long ret = 0; 1465 1466 switch( cmd ) { 1467 case GETVAL: 1468 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1469 ret = get_errno(semctl(first, second, cmd, arg)); 1470 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1471 break; 1472 case SETVAL: 1473 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1474 ret = get_errno(semctl(first, second, cmd, arg)); 1475 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1476 break; 1477 case GETALL: 1478 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1479 ret = get_errno(semctl(first, second, cmd, arg)); 1480 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1481 break; 1482 case SETALL: 1483 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1484 ret = get_errno(semctl(first, second, cmd, arg)); 1485 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1486 break; 1487 case IPC_STAT: 1488 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1489 ret = get_errno(semctl(first, second, cmd, arg)); 1490 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1491 break; 1492 case IPC_SET: 1493 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1494 ret = get_errno(semctl(first, second, cmd, arg)); 1495 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1496 break; 1497 default: 1498 ret = get_errno(semctl(first, second, cmd, arg)); 1499 } 1500 1501 return ret; 1502 } 1503 1504 struct target_msqid_ds 1505 { 1506 struct target_ipc_perm msg_perm; 1507 target_ulong msg_stime; 1508 target_ulong __unused1; 1509 target_ulong msg_rtime; 1510 target_ulong __unused2; 1511 target_ulong msg_ctime; 1512 target_ulong __unused3; 1513 target_ulong __msg_cbytes; 1514 target_ulong msg_qnum; 1515 target_ulong msg_qbytes; 1516 target_ulong msg_lspid; 1517 target_ulong msg_lrpid; 1518 target_ulong __unused4; 1519 target_ulong __unused5; 1520 }; 1521 1522 static inline void target_to_host_msqid_ds(struct msqid_ds *host_md, 1523 target_ulong target_addr) 1524 { 1525 struct target_msqid_ds *target_md; 1526 1527 lock_user_struct(target_md, target_addr, 1); 1528 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr); 1529 host_md->msg_stime = tswapl(target_md->msg_stime); 1530 host_md->msg_rtime = tswapl(target_md->msg_rtime); 1531 host_md->msg_ctime = tswapl(target_md->msg_ctime); 1532 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes); 1533 host_md->msg_qnum = tswapl(target_md->msg_qnum); 1534 host_md->msg_qbytes = tswapl(target_md->msg_qbytes); 1535 host_md->msg_lspid = tswapl(target_md->msg_lspid); 1536 host_md->msg_lrpid = tswapl(target_md->msg_lrpid); 1537 unlock_user_struct(target_md, target_addr, 0); 1538 } 1539 1540 static inline void host_to_target_msqid_ds(target_ulong target_addr, 1541 struct msqid_ds *host_md) 1542 { 1543 struct target_msqid_ds *target_md; 1544 1545 lock_user_struct(target_md, target_addr, 0); 1546 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)); 1547 target_md->msg_stime = tswapl(host_md->msg_stime); 1548 target_md->msg_rtime = tswapl(host_md->msg_rtime); 1549 target_md->msg_ctime = tswapl(host_md->msg_ctime); 1550 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes); 1551 target_md->msg_qnum = tswapl(host_md->msg_qnum); 1552 target_md->msg_qbytes = tswapl(host_md->msg_qbytes); 1553 target_md->msg_lspid = tswapl(host_md->msg_lspid); 1554 target_md->msg_lrpid = tswapl(host_md->msg_lrpid); 1555 unlock_user_struct(target_md, target_addr, 1); 1556 } 1557 1558 static inline long do_msgctl(long first, long second, long ptr) 1559 { 1560 struct msqid_ds dsarg; 1561 int cmd = second&0xff; 1562 long ret = 0; 1563 switch( cmd ) { 1564 case IPC_STAT: 1565 case IPC_SET: 1566 target_to_host_msqid_ds(&dsarg,ptr); 1567 ret = get_errno(msgctl(first, cmd, &dsarg)); 1568 host_to_target_msqid_ds(ptr,&dsarg); 1569 default: 1570 ret = get_errno(msgctl(first, cmd, &dsarg)); 1571 } 1572 return ret; 1573 } 1574 1575 struct target_msgbuf { 1576 target_ulong mtype; 1577 char mtext[1]; 1578 }; 1579 1580 static inline long do_msgsnd(long msqid, long msgp, long msgsz, long msgflg) 1581 { 1582 struct target_msgbuf *target_mb; 1583 struct msgbuf *host_mb; 1584 long ret = 0; 1585 1586 lock_user_struct(target_mb,msgp,0); 1587 host_mb = malloc(msgsz+sizeof(long)); 1588 host_mb->mtype = tswapl(target_mb->mtype); 1589 memcpy(host_mb->mtext,target_mb->mtext,msgsz); 1590 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); 1591 free(host_mb); 1592 unlock_user_struct(target_mb, msgp, 0); 1593 1594 return ret; 1595 } 1596 1597 static inline long do_msgrcv(long msqid, long msgp, long msgsz, long msgtype, long msgflg) 1598 { 1599 struct target_msgbuf *target_mb; 1600 struct msgbuf *host_mb; 1601 long ret = 0; 1602 1603 lock_user_struct(target_mb, msgp, 0); 1604 host_mb = malloc(msgsz+sizeof(long)); 1605 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg)); 1606 if (ret > 0) 1607 memcpy(target_mb->mtext, host_mb->mtext, ret); 1608 target_mb->mtype = tswapl(host_mb->mtype); 1609 free(host_mb); 1610 unlock_user_struct(target_mb, msgp, 0); 1611 1612 return ret; 1613 } 1614 1615 /* ??? This only works with linear mappings. */ 1616 static long do_ipc(long call, long first, long second, long third, 1617 long ptr, long fifth) 1618 { 1619 int version; 1620 long ret = 0; 1621 unsigned long raddr; 1622 struct shmid_ds shm_info; 1623 int i; 1624 1625 version = call >> 16; 1626 call &= 0xffff; 1627 1628 switch (call) { 1629 case IPCOP_semop: 1630 ret = get_errno(semop(first,(struct sembuf *) ptr, second)); 1631 break; 1632 1633 case IPCOP_semget: 1634 ret = get_errno(semget(first, second, third)); 1635 break; 1636 1637 case IPCOP_semctl: 1638 ret = do_semctl(first, second, third, ptr); 1639 break; 1640 1641 case IPCOP_semtimedop: 1642 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version); 1643 ret = -ENOSYS; 1644 break; 1645 1646 case IPCOP_msgget: 1647 ret = get_errno(msgget(first, second)); 1648 break; 1649 1650 case IPCOP_msgsnd: 1651 ret = do_msgsnd(first, ptr, second, third); 1652 break; 1653 1654 case IPCOP_msgctl: 1655 ret = do_msgctl(first, second, ptr); 1656 break; 1657 1658 case IPCOP_msgrcv: 1659 { 1660 struct ipc_kludge 1661 { 1662 void *__unbounded msgp; 1663 long int msgtyp; 1664 }; 1665 1666 struct ipc_kludge *foo = (struct ipc_kludge *) ptr; 1667 struct msgbuf *msgp = (struct msgbuf *) foo->msgp; 1668 1669 ret = do_msgrcv(first, (long)msgp, second, 0, third); 1670 1671 } 1672 break; 1673 1674 case IPCOP_shmat: 1675 /* SHM_* flags are the same on all linux platforms */ 1676 ret = get_errno((long) shmat(first, (void *) ptr, second)); 1677 if (is_error(ret)) 1678 break; 1679 raddr = ret; 1680 /* find out the length of the shared memory segment */ 1681 1682 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 1683 if (is_error(ret)) { 1684 /* can't get length, bail out */ 1685 shmdt((void *) raddr); 1686 break; 1687 } 1688 page_set_flags(raddr, raddr + shm_info.shm_segsz, 1689 PAGE_VALID | PAGE_READ | 1690 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 1691 for (i = 0; i < N_SHM_REGIONS; ++i) { 1692 if (shm_regions[i].start == 0) { 1693 shm_regions[i].start = raddr; 1694 shm_regions[i].size = shm_info.shm_segsz; 1695 break; 1696 } 1697 } 1698 if (put_user(raddr, (uint32_t *)third)) 1699 return -EFAULT; 1700 ret = 0; 1701 break; 1702 case IPCOP_shmdt: 1703 for (i = 0; i < N_SHM_REGIONS; ++i) { 1704 if (shm_regions[i].start == ptr) { 1705 shm_regions[i].start = 0; 1706 page_set_flags(ptr, shm_regions[i].size, 0); 1707 break; 1708 } 1709 } 1710 ret = get_errno(shmdt((void *) ptr)); 1711 break; 1712 1713 case IPCOP_shmget: 1714 /* IPC_* flag values are the same on all linux platforms */ 1715 ret = get_errno(shmget(first, second, third)); 1716 break; 1717 1718 /* IPC_* and SHM_* command values are the same on all linux platforms */ 1719 case IPCOP_shmctl: 1720 switch(second) { 1721 case IPC_RMID: 1722 case SHM_LOCK: 1723 case SHM_UNLOCK: 1724 ret = get_errno(shmctl(first, second, NULL)); 1725 break; 1726 default: 1727 goto unimplemented; 1728 } 1729 break; 1730 default: 1731 unimplemented: 1732 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version); 1733 ret = -ENOSYS; 1734 break; 1735 } 1736 return ret; 1737 } 1738 1739 /* kernel structure types definitions */ 1740 #define IFNAMSIZ 16 1741 1742 #define STRUCT(name, list...) STRUCT_ ## name, 1743 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 1744 enum { 1745 #include "syscall_types.h" 1746 }; 1747 #undef STRUCT 1748 #undef STRUCT_SPECIAL 1749 1750 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 1751 #define STRUCT_SPECIAL(name) 1752 #include "syscall_types.h" 1753 #undef STRUCT 1754 #undef STRUCT_SPECIAL 1755 1756 typedef struct IOCTLEntry { 1757 unsigned int target_cmd; 1758 unsigned int host_cmd; 1759 const char *name; 1760 int access; 1761 const argtype arg_type[5]; 1762 } IOCTLEntry; 1763 1764 #define IOC_R 0x0001 1765 #define IOC_W 0x0002 1766 #define IOC_RW (IOC_R | IOC_W) 1767 1768 #define MAX_STRUCT_SIZE 4096 1769 1770 IOCTLEntry ioctl_entries[] = { 1771 #define IOCTL(cmd, access, types...) \ 1772 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 1773 #include "ioctls.h" 1774 { 0, 0, }, 1775 }; 1776 1777 /* ??? Implement proper locking for ioctls. */ 1778 static long do_ioctl(long fd, long cmd, long arg) 1779 { 1780 const IOCTLEntry *ie; 1781 const argtype *arg_type; 1782 long ret; 1783 uint8_t buf_temp[MAX_STRUCT_SIZE]; 1784 int target_size; 1785 void *argptr; 1786 1787 ie = ioctl_entries; 1788 for(;;) { 1789 if (ie->target_cmd == 0) { 1790 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); 1791 return -ENOSYS; 1792 } 1793 if (ie->target_cmd == cmd) 1794 break; 1795 ie++; 1796 } 1797 arg_type = ie->arg_type; 1798 #if defined(DEBUG) 1799 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); 1800 #endif 1801 switch(arg_type[0]) { 1802 case TYPE_NULL: 1803 /* no argument */ 1804 ret = get_errno(ioctl(fd, ie->host_cmd)); 1805 break; 1806 case TYPE_PTRVOID: 1807 case TYPE_INT: 1808 /* int argment */ 1809 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 1810 break; 1811 case TYPE_PTR: 1812 arg_type++; 1813 target_size = thunk_type_size(arg_type, 0); 1814 switch(ie->access) { 1815 case IOC_R: 1816 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1817 if (!is_error(ret)) { 1818 argptr = lock_user(arg, target_size, 0); 1819 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 1820 unlock_user(argptr, arg, target_size); 1821 } 1822 break; 1823 case IOC_W: 1824 argptr = lock_user(arg, target_size, 1); 1825 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 1826 unlock_user(argptr, arg, 0); 1827 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1828 break; 1829 default: 1830 case IOC_RW: 1831 argptr = lock_user(arg, target_size, 1); 1832 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 1833 unlock_user(argptr, arg, 0); 1834 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1835 if (!is_error(ret)) { 1836 argptr = lock_user(arg, target_size, 0); 1837 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 1838 unlock_user(argptr, arg, target_size); 1839 } 1840 break; 1841 } 1842 break; 1843 default: 1844 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); 1845 ret = -ENOSYS; 1846 break; 1847 } 1848 return ret; 1849 } 1850 1851 bitmask_transtbl iflag_tbl[] = { 1852 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 1853 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 1854 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 1855 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 1856 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 1857 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 1858 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 1859 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 1860 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 1861 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 1862 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 1863 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 1864 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 1865 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 1866 { 0, 0, 0, 0 } 1867 }; 1868 1869 bitmask_transtbl oflag_tbl[] = { 1870 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 1871 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 1872 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 1873 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 1874 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 1875 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 1876 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 1877 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 1878 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 1879 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 1880 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 1881 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 1882 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 1883 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 1884 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 1885 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 1886 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 1887 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 1888 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 1889 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 1890 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 1891 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 1892 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 1893 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 1894 { 0, 0, 0, 0 } 1895 }; 1896 1897 bitmask_transtbl cflag_tbl[] = { 1898 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 1899 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 1900 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 1901 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 1902 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 1903 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 1904 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 1905 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 1906 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 1907 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 1908 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 1909 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 1910 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 1911 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 1912 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 1913 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 1914 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 1915 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 1916 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 1917 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 1918 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 1919 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 1920 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 1921 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 1922 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 1923 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 1924 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 1925 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 1926 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 1927 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 1928 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 1929 { 0, 0, 0, 0 } 1930 }; 1931 1932 bitmask_transtbl lflag_tbl[] = { 1933 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 1934 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 1935 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 1936 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 1937 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 1938 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 1939 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 1940 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 1941 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 1942 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 1943 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 1944 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 1945 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 1946 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 1947 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 1948 { 0, 0, 0, 0 } 1949 }; 1950 1951 static void target_to_host_termios (void *dst, const void *src) 1952 { 1953 struct host_termios *host = dst; 1954 const struct target_termios *target = src; 1955 1956 host->c_iflag = 1957 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 1958 host->c_oflag = 1959 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 1960 host->c_cflag = 1961 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 1962 host->c_lflag = 1963 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 1964 host->c_line = target->c_line; 1965 1966 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 1967 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 1968 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 1969 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 1970 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 1971 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 1972 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 1973 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 1974 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 1975 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 1976 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 1977 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 1978 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 1979 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 1980 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 1981 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 1982 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 1983 } 1984 1985 static void host_to_target_termios (void *dst, const void *src) 1986 { 1987 struct target_termios *target = dst; 1988 const struct host_termios *host = src; 1989 1990 target->c_iflag = 1991 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 1992 target->c_oflag = 1993 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 1994 target->c_cflag = 1995 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 1996 target->c_lflag = 1997 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 1998 target->c_line = host->c_line; 1999 2000 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 2001 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 2002 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 2003 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 2004 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 2005 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 2006 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 2007 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 2008 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 2009 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 2010 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 2011 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 2012 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 2013 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 2014 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 2015 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 2016 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 2017 } 2018 2019 StructEntry struct_termios_def = { 2020 .convert = { host_to_target_termios, target_to_host_termios }, 2021 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 2022 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 2023 }; 2024 2025 static bitmask_transtbl mmap_flags_tbl[] = { 2026 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 2027 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 2028 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 2029 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 2030 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 2031 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 2032 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 2033 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 2034 { 0, 0, 0, 0 } 2035 }; 2036 2037 static bitmask_transtbl fcntl_flags_tbl[] = { 2038 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 2039 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 2040 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 2041 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 2042 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 2043 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 2044 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 2045 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 2046 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 2047 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 2048 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 2049 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 2050 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 2051 #if defined(O_DIRECT) 2052 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 2053 #endif 2054 { 0, 0, 0, 0 } 2055 }; 2056 2057 #if defined(TARGET_I386) 2058 2059 /* NOTE: there is really one LDT for all the threads */ 2060 uint8_t *ldt_table; 2061 2062 static int read_ldt(target_ulong ptr, unsigned long bytecount) 2063 { 2064 int size; 2065 void *p; 2066 2067 if (!ldt_table) 2068 return 0; 2069 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 2070 if (size > bytecount) 2071 size = bytecount; 2072 p = lock_user(ptr, size, 0); 2073 /* ??? Shoudl this by byteswapped? */ 2074 memcpy(p, ldt_table, size); 2075 unlock_user(p, ptr, size); 2076 return size; 2077 } 2078 2079 /* XXX: add locking support */ 2080 static int write_ldt(CPUX86State *env, 2081 target_ulong ptr, unsigned long bytecount, int oldmode) 2082 { 2083 struct target_modify_ldt_ldt_s ldt_info; 2084 struct target_modify_ldt_ldt_s *target_ldt_info; 2085 int seg_32bit, contents, read_exec_only, limit_in_pages; 2086 int seg_not_present, useable; 2087 uint32_t *lp, entry_1, entry_2; 2088 2089 if (bytecount != sizeof(ldt_info)) 2090 return -EINVAL; 2091 lock_user_struct(target_ldt_info, ptr, 1); 2092 ldt_info.entry_number = tswap32(target_ldt_info->entry_number); 2093 ldt_info.base_addr = tswapl(target_ldt_info->base_addr); 2094 ldt_info.limit = tswap32(target_ldt_info->limit); 2095 ldt_info.flags = tswap32(target_ldt_info->flags); 2096 unlock_user_struct(target_ldt_info, ptr, 0); 2097 2098 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 2099 return -EINVAL; 2100 seg_32bit = ldt_info.flags & 1; 2101 contents = (ldt_info.flags >> 1) & 3; 2102 read_exec_only = (ldt_info.flags >> 3) & 1; 2103 limit_in_pages = (ldt_info.flags >> 4) & 1; 2104 seg_not_present = (ldt_info.flags >> 5) & 1; 2105 useable = (ldt_info.flags >> 6) & 1; 2106 2107 if (contents == 3) { 2108 if (oldmode) 2109 return -EINVAL; 2110 if (seg_not_present == 0) 2111 return -EINVAL; 2112 } 2113 /* allocate the LDT */ 2114 if (!ldt_table) { 2115 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2116 if (!ldt_table) 2117 return -ENOMEM; 2118 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2119 env->ldt.base = h2g(ldt_table); 2120 env->ldt.limit = 0xffff; 2121 } 2122 2123 /* NOTE: same code as Linux kernel */ 2124 /* Allow LDTs to be cleared by the user. */ 2125 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 2126 if (oldmode || 2127 (contents == 0 && 2128 read_exec_only == 1 && 2129 seg_32bit == 0 && 2130 limit_in_pages == 0 && 2131 seg_not_present == 1 && 2132 useable == 0 )) { 2133 entry_1 = 0; 2134 entry_2 = 0; 2135 goto install; 2136 } 2137 } 2138 2139 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 2140 (ldt_info.limit & 0x0ffff); 2141 entry_2 = (ldt_info.base_addr & 0xff000000) | 2142 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 2143 (ldt_info.limit & 0xf0000) | 2144 ((read_exec_only ^ 1) << 9) | 2145 (contents << 10) | 2146 ((seg_not_present ^ 1) << 15) | 2147 (seg_32bit << 22) | 2148 (limit_in_pages << 23) | 2149 0x7000; 2150 if (!oldmode) 2151 entry_2 |= (useable << 20); 2152 2153 /* Install the new entry ... */ 2154 install: 2155 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 2156 lp[0] = tswap32(entry_1); 2157 lp[1] = tswap32(entry_2); 2158 return 0; 2159 } 2160 2161 /* specific and weird i386 syscalls */ 2162 int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount) 2163 { 2164 int ret = -ENOSYS; 2165 2166 switch (func) { 2167 case 0: 2168 ret = read_ldt(ptr, bytecount); 2169 break; 2170 case 1: 2171 ret = write_ldt(env, ptr, bytecount, 1); 2172 break; 2173 case 0x11: 2174 ret = write_ldt(env, ptr, bytecount, 0); 2175 break; 2176 } 2177 return ret; 2178 } 2179 2180 #endif /* defined(TARGET_I386) */ 2181 2182 /* this stack is the equivalent of the kernel stack associated with a 2183 thread/process */ 2184 #define NEW_STACK_SIZE 8192 2185 2186 static int clone_func(void *arg) 2187 { 2188 CPUState *env = arg; 2189 cpu_loop(env); 2190 /* never exits */ 2191 return 0; 2192 } 2193 2194 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp) 2195 { 2196 int ret; 2197 TaskState *ts; 2198 uint8_t *new_stack; 2199 CPUState *new_env; 2200 2201 if (flags & CLONE_VM) { 2202 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 2203 memset(ts, 0, sizeof(TaskState)); 2204 new_stack = ts->stack; 2205 ts->used = 1; 2206 /* add in task state list */ 2207 ts->next = first_task_state; 2208 first_task_state = ts; 2209 /* we create a new CPU instance. */ 2210 new_env = cpu_copy(env); 2211 #if defined(TARGET_I386) 2212 if (!newsp) 2213 newsp = env->regs[R_ESP]; 2214 new_env->regs[R_ESP] = newsp; 2215 new_env->regs[R_EAX] = 0; 2216 #elif defined(TARGET_ARM) 2217 if (!newsp) 2218 newsp = env->regs[13]; 2219 new_env->regs[13] = newsp; 2220 new_env->regs[0] = 0; 2221 #elif defined(TARGET_SPARC) 2222 if (!newsp) 2223 newsp = env->regwptr[22]; 2224 new_env->regwptr[22] = newsp; 2225 new_env->regwptr[0] = 0; 2226 /* XXXXX */ 2227 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 2228 #elif defined(TARGET_M68K) 2229 if (!newsp) 2230 newsp = env->aregs[7]; 2231 new_env->aregs[7] = newsp; 2232 new_env->dregs[0] = 0; 2233 /* ??? is this sufficient? */ 2234 #elif defined(TARGET_MIPS) 2235 if (!newsp) 2236 newsp = env->gpr[29][env->current_tc]; 2237 new_env->gpr[29][env->current_tc] = newsp; 2238 #elif defined(TARGET_PPC) 2239 if (!newsp) 2240 newsp = env->gpr[1]; 2241 new_env->gpr[1] = newsp; 2242 { 2243 int i; 2244 for (i = 7; i < 32; i++) 2245 new_env->gpr[i] = 0; 2246 } 2247 #elif defined(TARGET_SH4) 2248 if (!newsp) 2249 newsp = env->gregs[15]; 2250 new_env->gregs[15] = newsp; 2251 /* XXXXX */ 2252 #elif defined(TARGET_ALPHA) 2253 if (!newsp) 2254 newsp = env->ir[30]; 2255 new_env->ir[30] = newsp; 2256 /* ? */ 2257 { 2258 int i; 2259 for (i = 7; i < 30; i++) 2260 new_env->ir[i] = 0; 2261 } 2262 #else 2263 #error unsupported target CPU 2264 #endif 2265 new_env->opaque = ts; 2266 #ifdef __ia64__ 2267 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2268 #else 2269 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2270 #endif 2271 } else { 2272 /* if no CLONE_VM, we consider it is a fork */ 2273 if ((flags & ~CSIGNAL) != 0) 2274 return -EINVAL; 2275 ret = fork(); 2276 } 2277 return ret; 2278 } 2279 2280 static long do_fcntl(int fd, int cmd, target_ulong arg) 2281 { 2282 struct flock fl; 2283 struct target_flock *target_fl; 2284 struct flock64 fl64; 2285 struct target_flock64 *target_fl64; 2286 long ret; 2287 2288 switch(cmd) { 2289 case TARGET_F_GETLK: 2290 lock_user_struct(target_fl, arg, 1); 2291 fl.l_type = tswap16(target_fl->l_type); 2292 fl.l_whence = tswap16(target_fl->l_whence); 2293 fl.l_start = tswapl(target_fl->l_start); 2294 fl.l_len = tswapl(target_fl->l_len); 2295 fl.l_pid = tswapl(target_fl->l_pid); 2296 unlock_user_struct(target_fl, arg, 0); 2297 ret = fcntl(fd, cmd, &fl); 2298 if (ret == 0) { 2299 lock_user_struct(target_fl, arg, 0); 2300 target_fl->l_type = tswap16(fl.l_type); 2301 target_fl->l_whence = tswap16(fl.l_whence); 2302 target_fl->l_start = tswapl(fl.l_start); 2303 target_fl->l_len = tswapl(fl.l_len); 2304 target_fl->l_pid = tswapl(fl.l_pid); 2305 unlock_user_struct(target_fl, arg, 1); 2306 } 2307 break; 2308 2309 case TARGET_F_SETLK: 2310 case TARGET_F_SETLKW: 2311 lock_user_struct(target_fl, arg, 1); 2312 fl.l_type = tswap16(target_fl->l_type); 2313 fl.l_whence = tswap16(target_fl->l_whence); 2314 fl.l_start = tswapl(target_fl->l_start); 2315 fl.l_len = tswapl(target_fl->l_len); 2316 fl.l_pid = tswapl(target_fl->l_pid); 2317 unlock_user_struct(target_fl, arg, 0); 2318 ret = fcntl(fd, cmd, &fl); 2319 break; 2320 2321 case TARGET_F_GETLK64: 2322 lock_user_struct(target_fl64, arg, 1); 2323 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2324 fl64.l_whence = tswap16(target_fl64->l_whence); 2325 fl64.l_start = tswapl(target_fl64->l_start); 2326 fl64.l_len = tswapl(target_fl64->l_len); 2327 fl64.l_pid = tswap16(target_fl64->l_pid); 2328 unlock_user_struct(target_fl64, arg, 0); 2329 ret = fcntl(fd, cmd >> 1, &fl64); 2330 if (ret == 0) { 2331 lock_user_struct(target_fl64, arg, 0); 2332 target_fl64->l_type = tswap16(fl64.l_type) >> 1; 2333 target_fl64->l_whence = tswap16(fl64.l_whence); 2334 target_fl64->l_start = tswapl(fl64.l_start); 2335 target_fl64->l_len = tswapl(fl64.l_len); 2336 target_fl64->l_pid = tswapl(fl64.l_pid); 2337 unlock_user_struct(target_fl64, arg, 1); 2338 } 2339 break; 2340 case TARGET_F_SETLK64: 2341 case TARGET_F_SETLKW64: 2342 lock_user_struct(target_fl64, arg, 1); 2343 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2344 fl64.l_whence = tswap16(target_fl64->l_whence); 2345 fl64.l_start = tswapl(target_fl64->l_start); 2346 fl64.l_len = tswapl(target_fl64->l_len); 2347 fl64.l_pid = tswap16(target_fl64->l_pid); 2348 unlock_user_struct(target_fl64, arg, 0); 2349 ret = fcntl(fd, cmd >> 1, &fl64); 2350 break; 2351 2352 case F_GETFL: 2353 ret = fcntl(fd, cmd, arg); 2354 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 2355 break; 2356 2357 case F_SETFL: 2358 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)); 2359 break; 2360 2361 default: 2362 ret = fcntl(fd, cmd, arg); 2363 break; 2364 } 2365 return ret; 2366 } 2367 2368 #ifdef USE_UID16 2369 2370 static inline int high2lowuid(int uid) 2371 { 2372 if (uid > 65535) 2373 return 65534; 2374 else 2375 return uid; 2376 } 2377 2378 static inline int high2lowgid(int gid) 2379 { 2380 if (gid > 65535) 2381 return 65534; 2382 else 2383 return gid; 2384 } 2385 2386 static inline int low2highuid(int uid) 2387 { 2388 if ((int16_t)uid == -1) 2389 return -1; 2390 else 2391 return uid; 2392 } 2393 2394 static inline int low2highgid(int gid) 2395 { 2396 if ((int16_t)gid == -1) 2397 return -1; 2398 else 2399 return gid; 2400 } 2401 2402 #endif /* USE_UID16 */ 2403 2404 void syscall_init(void) 2405 { 2406 IOCTLEntry *ie; 2407 const argtype *arg_type; 2408 int size; 2409 2410 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 2411 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 2412 #include "syscall_types.h" 2413 #undef STRUCT 2414 #undef STRUCT_SPECIAL 2415 2416 /* we patch the ioctl size if necessary. We rely on the fact that 2417 no ioctl has all the bits at '1' in the size field */ 2418 ie = ioctl_entries; 2419 while (ie->target_cmd != 0) { 2420 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 2421 TARGET_IOC_SIZEMASK) { 2422 arg_type = ie->arg_type; 2423 if (arg_type[0] != TYPE_PTR) { 2424 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 2425 ie->target_cmd); 2426 exit(1); 2427 } 2428 arg_type++; 2429 size = thunk_type_size(arg_type, 0); 2430 ie->target_cmd = (ie->target_cmd & 2431 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 2432 (size << TARGET_IOC_SIZESHIFT); 2433 } 2434 /* automatic consistency check if same arch */ 2435 #if defined(__i386__) && defined(TARGET_I386) 2436 if (ie->target_cmd != ie->host_cmd) { 2437 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 2438 ie->target_cmd, ie->host_cmd); 2439 } 2440 #endif 2441 ie++; 2442 } 2443 } 2444 2445 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) 2446 { 2447 #ifdef TARGET_WORDS_BIG_ENDIAN 2448 return ((uint64_t)word0 << 32) | word1; 2449 #else 2450 return ((uint64_t)word1 << 32) | word0; 2451 #endif 2452 } 2453 2454 #ifdef TARGET_NR_truncate64 2455 static inline long target_truncate64(void *cpu_env, const char *arg1, 2456 long arg2, long arg3, long arg4) 2457 { 2458 #ifdef TARGET_ARM 2459 if (((CPUARMState *)cpu_env)->eabi) 2460 { 2461 arg2 = arg3; 2462 arg3 = arg4; 2463 } 2464 #endif 2465 return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); 2466 } 2467 #endif 2468 2469 #ifdef TARGET_NR_ftruncate64 2470 static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2, 2471 long arg3, long arg4) 2472 { 2473 #ifdef TARGET_ARM 2474 if (((CPUARMState *)cpu_env)->eabi) 2475 { 2476 arg2 = arg3; 2477 arg3 = arg4; 2478 } 2479 #endif 2480 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); 2481 } 2482 #endif 2483 2484 static inline void target_to_host_timespec(struct timespec *host_ts, 2485 target_ulong target_addr) 2486 { 2487 struct target_timespec *target_ts; 2488 2489 lock_user_struct(target_ts, target_addr, 1); 2490 host_ts->tv_sec = tswapl(target_ts->tv_sec); 2491 host_ts->tv_nsec = tswapl(target_ts->tv_nsec); 2492 unlock_user_struct(target_ts, target_addr, 0); 2493 } 2494 2495 static inline void host_to_target_timespec(target_ulong target_addr, 2496 struct timespec *host_ts) 2497 { 2498 struct target_timespec *target_ts; 2499 2500 lock_user_struct(target_ts, target_addr, 0); 2501 target_ts->tv_sec = tswapl(host_ts->tv_sec); 2502 target_ts->tv_nsec = tswapl(host_ts->tv_nsec); 2503 unlock_user_struct(target_ts, target_addr, 1); 2504 } 2505 2506 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 2507 long arg4, long arg5, long arg6) 2508 { 2509 long ret; 2510 struct stat st; 2511 struct statfs stfs; 2512 void *p; 2513 2514 #ifdef DEBUG 2515 gemu_log("syscall %d", num); 2516 #endif 2517 switch(num) { 2518 case TARGET_NR_exit: 2519 #ifdef HAVE_GPROF 2520 _mcleanup(); 2521 #endif 2522 gdb_exit(cpu_env, arg1); 2523 /* XXX: should free thread stack and CPU env */ 2524 _exit(arg1); 2525 ret = 0; /* avoid warning */ 2526 break; 2527 case TARGET_NR_read: 2528 page_unprotect_range(arg2, arg3); 2529 p = lock_user(arg2, arg3, 0); 2530 ret = get_errno(read(arg1, p, arg3)); 2531 unlock_user(p, arg2, ret); 2532 break; 2533 case TARGET_NR_write: 2534 p = lock_user(arg2, arg3, 1); 2535 ret = get_errno(write(arg1, p, arg3)); 2536 unlock_user(p, arg2, 0); 2537 break; 2538 case TARGET_NR_open: 2539 p = lock_user_string(arg1); 2540 ret = get_errno(open(path(p), 2541 target_to_host_bitmask(arg2, fcntl_flags_tbl), 2542 arg3)); 2543 unlock_user(p, arg1, 0); 2544 break; 2545 #if defined(TARGET_NR_openat) && defined(__NR_openat) 2546 case TARGET_NR_openat: 2547 if (!arg2) { 2548 ret = -EFAULT; 2549 goto fail; 2550 } 2551 p = lock_user_string(arg2); 2552 if (!access_ok(VERIFY_READ, p, 1)) 2553 ret = -EFAULT; 2554 else 2555 ret = get_errno(sys_openat(arg1, 2556 path(p), 2557 target_to_host_bitmask(arg3, fcntl_flags_tbl), 2558 arg4)); 2559 if (p) 2560 unlock_user(p, arg2, 0); 2561 break; 2562 #endif 2563 case TARGET_NR_close: 2564 ret = get_errno(close(arg1)); 2565 break; 2566 case TARGET_NR_brk: 2567 ret = do_brk(arg1); 2568 break; 2569 case TARGET_NR_fork: 2570 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 2571 break; 2572 #ifdef TARGET_NR_waitpid 2573 case TARGET_NR_waitpid: 2574 { 2575 int status; 2576 ret = get_errno(waitpid(arg1, &status, arg3)); 2577 if (!is_error(ret) && arg2) 2578 tput32(arg2, status); 2579 } 2580 break; 2581 #endif 2582 #ifdef TARGET_NR_creat /* not on alpha */ 2583 case TARGET_NR_creat: 2584 p = lock_user_string(arg1); 2585 ret = get_errno(creat(p, arg2)); 2586 unlock_user(p, arg1, 0); 2587 break; 2588 #endif 2589 case TARGET_NR_link: 2590 { 2591 void * p2; 2592 p = lock_user_string(arg1); 2593 p2 = lock_user_string(arg2); 2594 ret = get_errno(link(p, p2)); 2595 unlock_user(p2, arg2, 0); 2596 unlock_user(p, arg1, 0); 2597 } 2598 break; 2599 #if defined(TARGET_NR_linkat) && defined(__NR_linkat) 2600 case TARGET_NR_linkat: 2601 if (!arg2 || !arg4) { 2602 ret = -EFAULT; 2603 goto fail; 2604 } 2605 { 2606 void * p2 = NULL; 2607 p = lock_user_string(arg2); 2608 p2 = lock_user_string(arg4); 2609 if (!access_ok(VERIFY_READ, p, 1) 2610 || !access_ok(VERIFY_READ, p2, 1)) 2611 ret = -EFAULT; 2612 else 2613 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); 2614 if (p2) 2615 unlock_user(p, arg2, 0); 2616 if (p) 2617 unlock_user(p2, arg4, 0); 2618 } 2619 break; 2620 #endif 2621 case TARGET_NR_unlink: 2622 p = lock_user_string(arg1); 2623 ret = get_errno(unlink(p)); 2624 unlock_user(p, arg1, 0); 2625 break; 2626 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) 2627 case TARGET_NR_unlinkat: 2628 if (!arg2) { 2629 ret = -EFAULT; 2630 goto fail; 2631 } 2632 p = lock_user_string(arg2); 2633 if (!access_ok(VERIFY_READ, p, 1)) 2634 ret = -EFAULT; 2635 else 2636 ret = get_errno(sys_unlinkat(arg1, p, arg3)); 2637 if (p) 2638 unlock_user(p, arg2, 0); 2639 break; 2640 #endif 2641 case TARGET_NR_execve: 2642 { 2643 char **argp, **envp; 2644 int argc, envc; 2645 target_ulong gp; 2646 target_ulong guest_argp; 2647 target_ulong guest_envp; 2648 target_ulong addr; 2649 char **q; 2650 2651 argc = 0; 2652 guest_argp = arg2; 2653 for (gp = guest_argp; tgetl(gp); gp++) 2654 argc++; 2655 envc = 0; 2656 guest_envp = arg3; 2657 for (gp = guest_envp; tgetl(gp); gp++) 2658 envc++; 2659 2660 argp = alloca((argc + 1) * sizeof(void *)); 2661 envp = alloca((envc + 1) * sizeof(void *)); 2662 2663 for (gp = guest_argp, q = argp; ; 2664 gp += sizeof(target_ulong), q++) { 2665 addr = tgetl(gp); 2666 if (!addr) 2667 break; 2668 *q = lock_user_string(addr); 2669 } 2670 *q = NULL; 2671 2672 for (gp = guest_envp, q = envp; ; 2673 gp += sizeof(target_ulong), q++) { 2674 addr = tgetl(gp); 2675 if (!addr) 2676 break; 2677 *q = lock_user_string(addr); 2678 } 2679 *q = NULL; 2680 2681 p = lock_user_string(arg1); 2682 ret = get_errno(execve(p, argp, envp)); 2683 unlock_user(p, arg1, 0); 2684 2685 for (gp = guest_argp, q = argp; *q; 2686 gp += sizeof(target_ulong), q++) { 2687 addr = tgetl(gp); 2688 unlock_user(*q, addr, 0); 2689 } 2690 for (gp = guest_envp, q = envp; *q; 2691 gp += sizeof(target_ulong), q++) { 2692 addr = tgetl(gp); 2693 unlock_user(*q, addr, 0); 2694 } 2695 } 2696 break; 2697 case TARGET_NR_chdir: 2698 p = lock_user_string(arg1); 2699 ret = get_errno(chdir(p)); 2700 unlock_user(p, arg1, 0); 2701 break; 2702 #ifdef TARGET_NR_time 2703 case TARGET_NR_time: 2704 { 2705 time_t host_time; 2706 ret = get_errno(time(&host_time)); 2707 if (!is_error(ret) && arg1) 2708 tputl(arg1, host_time); 2709 } 2710 break; 2711 #endif 2712 case TARGET_NR_mknod: 2713 p = lock_user_string(arg1); 2714 ret = get_errno(mknod(p, arg2, arg3)); 2715 unlock_user(p, arg1, 0); 2716 break; 2717 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) 2718 case TARGET_NR_mknodat: 2719 if (!arg2) { 2720 ret = -EFAULT; 2721 goto fail; 2722 } 2723 p = lock_user_string(arg2); 2724 if (!access_ok(VERIFY_READ, p, 1)) 2725 ret = -EFAULT; 2726 else 2727 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); 2728 if (p) 2729 unlock_user(p, arg2, 0); 2730 break; 2731 #endif 2732 case TARGET_NR_chmod: 2733 p = lock_user_string(arg1); 2734 ret = get_errno(chmod(p, arg2)); 2735 unlock_user(p, arg1, 0); 2736 break; 2737 #ifdef TARGET_NR_break 2738 case TARGET_NR_break: 2739 goto unimplemented; 2740 #endif 2741 #ifdef TARGET_NR_oldstat 2742 case TARGET_NR_oldstat: 2743 goto unimplemented; 2744 #endif 2745 case TARGET_NR_lseek: 2746 ret = get_errno(lseek(arg1, arg2, arg3)); 2747 break; 2748 #ifdef TARGET_NR_getxpid 2749 case TARGET_NR_getxpid: 2750 #else 2751 case TARGET_NR_getpid: 2752 #endif 2753 ret = get_errno(getpid()); 2754 break; 2755 case TARGET_NR_mount: 2756 { 2757 /* need to look at the data field */ 2758 void *p2, *p3; 2759 p = lock_user_string(arg1); 2760 p2 = lock_user_string(arg2); 2761 p3 = lock_user_string(arg3); 2762 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5)); 2763 unlock_user(p, arg1, 0); 2764 unlock_user(p2, arg2, 0); 2765 unlock_user(p3, arg3, 0); 2766 break; 2767 } 2768 #ifdef TARGET_NR_umount 2769 case TARGET_NR_umount: 2770 p = lock_user_string(arg1); 2771 ret = get_errno(umount(p)); 2772 unlock_user(p, arg1, 0); 2773 break; 2774 #endif 2775 #ifdef TARGET_NR_stime /* not on alpha */ 2776 case TARGET_NR_stime: 2777 { 2778 time_t host_time; 2779 host_time = tgetl(arg1); 2780 ret = get_errno(stime(&host_time)); 2781 } 2782 break; 2783 #endif 2784 case TARGET_NR_ptrace: 2785 goto unimplemented; 2786 #ifdef TARGET_NR_alarm /* not on alpha */ 2787 case TARGET_NR_alarm: 2788 ret = alarm(arg1); 2789 break; 2790 #endif 2791 #ifdef TARGET_NR_oldfstat 2792 case TARGET_NR_oldfstat: 2793 goto unimplemented; 2794 #endif 2795 #ifdef TARGET_NR_pause /* not on alpha */ 2796 case TARGET_NR_pause: 2797 ret = get_errno(pause()); 2798 break; 2799 #endif 2800 #ifdef TARGET_NR_utime 2801 case TARGET_NR_utime: 2802 { 2803 struct utimbuf tbuf, *host_tbuf; 2804 struct target_utimbuf *target_tbuf; 2805 if (arg2) { 2806 lock_user_struct(target_tbuf, arg2, 1); 2807 tbuf.actime = tswapl(target_tbuf->actime); 2808 tbuf.modtime = tswapl(target_tbuf->modtime); 2809 unlock_user_struct(target_tbuf, arg2, 0); 2810 host_tbuf = &tbuf; 2811 } else { 2812 host_tbuf = NULL; 2813 } 2814 p = lock_user_string(arg1); 2815 ret = get_errno(utime(p, host_tbuf)); 2816 unlock_user(p, arg1, 0); 2817 } 2818 break; 2819 #endif 2820 case TARGET_NR_utimes: 2821 { 2822 struct timeval *tvp, tv[2]; 2823 if (arg2) { 2824 target_to_host_timeval(&tv[0], arg2); 2825 target_to_host_timeval(&tv[1], 2826 arg2 + sizeof (struct target_timeval)); 2827 tvp = tv; 2828 } else { 2829 tvp = NULL; 2830 } 2831 p = lock_user_string(arg1); 2832 ret = get_errno(utimes(p, tvp)); 2833 unlock_user(p, arg1, 0); 2834 } 2835 break; 2836 #ifdef TARGET_NR_stty 2837 case TARGET_NR_stty: 2838 goto unimplemented; 2839 #endif 2840 #ifdef TARGET_NR_gtty 2841 case TARGET_NR_gtty: 2842 goto unimplemented; 2843 #endif 2844 case TARGET_NR_access: 2845 p = lock_user_string(arg1); 2846 ret = get_errno(access(p, arg2)); 2847 unlock_user(p, arg1, 0); 2848 break; 2849 #ifdef TARGET_NR_nice /* not on alpha */ 2850 case TARGET_NR_nice: 2851 ret = get_errno(nice(arg1)); 2852 break; 2853 #endif 2854 #ifdef TARGET_NR_ftime 2855 case TARGET_NR_ftime: 2856 goto unimplemented; 2857 #endif 2858 case TARGET_NR_sync: 2859 sync(); 2860 ret = 0; 2861 break; 2862 case TARGET_NR_kill: 2863 ret = get_errno(kill(arg1, arg2)); 2864 break; 2865 case TARGET_NR_rename: 2866 { 2867 void *p2; 2868 p = lock_user_string(arg1); 2869 p2 = lock_user_string(arg2); 2870 ret = get_errno(rename(p, p2)); 2871 unlock_user(p2, arg2, 0); 2872 unlock_user(p, arg1, 0); 2873 } 2874 break; 2875 #if defined(TARGET_NR_renameat) && defined(__NR_renameat) 2876 case TARGET_NR_renameat: 2877 if (!arg2 || !arg4) { 2878 ret = -EFAULT; 2879 goto fail; 2880 } 2881 { 2882 void *p2 = NULL; 2883 p = lock_user_string(arg2); 2884 p2 = lock_user_string(arg4); 2885 if (!access_ok(VERIFY_READ, p, 1) 2886 || !access_ok(VERIFY_READ, p2, 1)) 2887 ret = -EFAULT; 2888 else 2889 ret = get_errno(sys_renameat(arg1, p, arg3, p2)); 2890 if (p2) 2891 unlock_user(p2, arg4, 0); 2892 if (p) 2893 unlock_user(p, arg2, 0); 2894 } 2895 break; 2896 #endif 2897 case TARGET_NR_mkdir: 2898 p = lock_user_string(arg1); 2899 ret = get_errno(mkdir(p, arg2)); 2900 unlock_user(p, arg1, 0); 2901 break; 2902 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) 2903 case TARGET_NR_mkdirat: 2904 if (!arg2) { 2905 ret = -EFAULT; 2906 goto fail; 2907 } 2908 p = lock_user_string(arg2); 2909 if (!access_ok(VERIFY_READ, p, 1)) 2910 ret = -EFAULT; 2911 else 2912 ret = get_errno(sys_mkdirat(arg1, p, arg3)); 2913 if (p) 2914 unlock_user(p, arg2, 0); 2915 break; 2916 #endif 2917 case TARGET_NR_rmdir: 2918 p = lock_user_string(arg1); 2919 ret = get_errno(rmdir(p)); 2920 unlock_user(p, arg1, 0); 2921 break; 2922 case TARGET_NR_dup: 2923 ret = get_errno(dup(arg1)); 2924 break; 2925 case TARGET_NR_pipe: 2926 { 2927 int host_pipe[2]; 2928 ret = get_errno(pipe(host_pipe)); 2929 if (!is_error(ret)) { 2930 #if defined(TARGET_MIPS) 2931 CPUMIPSState *env = (CPUMIPSState*)cpu_env; 2932 env->gpr[3][env->current_tc] = host_pipe[1]; 2933 ret = host_pipe[0]; 2934 #else 2935 tput32(arg1, host_pipe[0]); 2936 tput32(arg1 + 4, host_pipe[1]); 2937 #endif 2938 } 2939 } 2940 break; 2941 case TARGET_NR_times: 2942 { 2943 struct target_tms *tmsp; 2944 struct tms tms; 2945 ret = get_errno(times(&tms)); 2946 if (arg1) { 2947 tmsp = lock_user(arg1, sizeof(struct target_tms), 0); 2948 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 2949 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 2950 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 2951 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 2952 } 2953 if (!is_error(ret)) 2954 ret = host_to_target_clock_t(ret); 2955 } 2956 break; 2957 #ifdef TARGET_NR_prof 2958 case TARGET_NR_prof: 2959 goto unimplemented; 2960 #endif 2961 #ifdef TARGET_NR_signal 2962 case TARGET_NR_signal: 2963 goto unimplemented; 2964 #endif 2965 case TARGET_NR_acct: 2966 p = lock_user_string(arg1); 2967 ret = get_errno(acct(path(p))); 2968 unlock_user(p, arg1, 0); 2969 break; 2970 #ifdef TARGET_NR_umount2 /* not on alpha */ 2971 case TARGET_NR_umount2: 2972 p = lock_user_string(arg1); 2973 ret = get_errno(umount2(p, arg2)); 2974 unlock_user(p, arg1, 0); 2975 break; 2976 #endif 2977 #ifdef TARGET_NR_lock 2978 case TARGET_NR_lock: 2979 goto unimplemented; 2980 #endif 2981 case TARGET_NR_ioctl: 2982 ret = do_ioctl(arg1, arg2, arg3); 2983 break; 2984 case TARGET_NR_fcntl: 2985 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 2986 break; 2987 #ifdef TARGET_NR_mpx 2988 case TARGET_NR_mpx: 2989 goto unimplemented; 2990 #endif 2991 case TARGET_NR_setpgid: 2992 ret = get_errno(setpgid(arg1, arg2)); 2993 break; 2994 #ifdef TARGET_NR_ulimit 2995 case TARGET_NR_ulimit: 2996 goto unimplemented; 2997 #endif 2998 #ifdef TARGET_NR_oldolduname 2999 case TARGET_NR_oldolduname: 3000 goto unimplemented; 3001 #endif 3002 case TARGET_NR_umask: 3003 ret = get_errno(umask(arg1)); 3004 break; 3005 case TARGET_NR_chroot: 3006 p = lock_user_string(arg1); 3007 ret = get_errno(chroot(p)); 3008 unlock_user(p, arg1, 0); 3009 break; 3010 case TARGET_NR_ustat: 3011 goto unimplemented; 3012 case TARGET_NR_dup2: 3013 ret = get_errno(dup2(arg1, arg2)); 3014 break; 3015 #ifdef TARGET_NR_getppid /* not on alpha */ 3016 case TARGET_NR_getppid: 3017 ret = get_errno(getppid()); 3018 break; 3019 #endif 3020 case TARGET_NR_getpgrp: 3021 ret = get_errno(getpgrp()); 3022 break; 3023 case TARGET_NR_setsid: 3024 ret = get_errno(setsid()); 3025 break; 3026 #ifdef TARGET_NR_sigaction 3027 case TARGET_NR_sigaction: 3028 { 3029 #if !defined(TARGET_MIPS) 3030 struct target_old_sigaction *old_act; 3031 struct target_sigaction act, oact, *pact; 3032 if (arg2) { 3033 lock_user_struct(old_act, arg2, 1); 3034 act._sa_handler = old_act->_sa_handler; 3035 target_siginitset(&act.sa_mask, old_act->sa_mask); 3036 act.sa_flags = old_act->sa_flags; 3037 act.sa_restorer = old_act->sa_restorer; 3038 unlock_user_struct(old_act, arg2, 0); 3039 pact = &act; 3040 } else { 3041 pact = NULL; 3042 } 3043 ret = get_errno(do_sigaction(arg1, pact, &oact)); 3044 if (!is_error(ret) && arg3) { 3045 lock_user_struct(old_act, arg3, 0); 3046 old_act->_sa_handler = oact._sa_handler; 3047 old_act->sa_mask = oact.sa_mask.sig[0]; 3048 old_act->sa_flags = oact.sa_flags; 3049 old_act->sa_restorer = oact.sa_restorer; 3050 unlock_user_struct(old_act, arg3, 1); 3051 } 3052 #else 3053 struct target_sigaction act, oact, *pact, *old_act; 3054 3055 if (arg2) { 3056 lock_user_struct(old_act, arg2, 1); 3057 act._sa_handler = old_act->_sa_handler; 3058 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); 3059 act.sa_flags = old_act->sa_flags; 3060 unlock_user_struct(old_act, arg2, 0); 3061 pact = &act; 3062 } else { 3063 pact = NULL; 3064 } 3065 3066 ret = get_errno(do_sigaction(arg1, pact, &oact)); 3067 3068 if (!is_error(ret) && arg3) { 3069 lock_user_struct(old_act, arg3, 0); 3070 old_act->_sa_handler = oact._sa_handler; 3071 old_act->sa_flags = oact.sa_flags; 3072 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; 3073 old_act->sa_mask.sig[1] = 0; 3074 old_act->sa_mask.sig[2] = 0; 3075 old_act->sa_mask.sig[3] = 0; 3076 unlock_user_struct(old_act, arg3, 1); 3077 } 3078 #endif 3079 } 3080 break; 3081 #endif 3082 case TARGET_NR_rt_sigaction: 3083 { 3084 struct target_sigaction *act; 3085 struct target_sigaction *oact; 3086 3087 if (arg2) 3088 lock_user_struct(act, arg2, 1); 3089 else 3090 act = NULL; 3091 if (arg3) 3092 lock_user_struct(oact, arg3, 0); 3093 else 3094 oact = NULL; 3095 ret = get_errno(do_sigaction(arg1, act, oact)); 3096 if (arg2) 3097 unlock_user_struct(act, arg2, 0); 3098 if (arg3) 3099 unlock_user_struct(oact, arg3, 1); 3100 } 3101 break; 3102 #ifdef TARGET_NR_sgetmask /* not on alpha */ 3103 case TARGET_NR_sgetmask: 3104 { 3105 sigset_t cur_set; 3106 target_ulong target_set; 3107 sigprocmask(0, NULL, &cur_set); 3108 host_to_target_old_sigset(&target_set, &cur_set); 3109 ret = target_set; 3110 } 3111 break; 3112 #endif 3113 #ifdef TARGET_NR_ssetmask /* not on alpha */ 3114 case TARGET_NR_ssetmask: 3115 { 3116 sigset_t set, oset, cur_set; 3117 target_ulong target_set = arg1; 3118 sigprocmask(0, NULL, &cur_set); 3119 target_to_host_old_sigset(&set, &target_set); 3120 sigorset(&set, &set, &cur_set); 3121 sigprocmask(SIG_SETMASK, &set, &oset); 3122 host_to_target_old_sigset(&target_set, &oset); 3123 ret = target_set; 3124 } 3125 break; 3126 #endif 3127 #ifdef TARGET_NR_sigprocmask 3128 case TARGET_NR_sigprocmask: 3129 { 3130 int how = arg1; 3131 sigset_t set, oldset, *set_ptr; 3132 3133 if (arg2) { 3134 switch(how) { 3135 case TARGET_SIG_BLOCK: 3136 how = SIG_BLOCK; 3137 break; 3138 case TARGET_SIG_UNBLOCK: 3139 how = SIG_UNBLOCK; 3140 break; 3141 case TARGET_SIG_SETMASK: 3142 how = SIG_SETMASK; 3143 break; 3144 default: 3145 ret = -EINVAL; 3146 goto fail; 3147 } 3148 p = lock_user(arg2, sizeof(target_sigset_t), 1); 3149 target_to_host_old_sigset(&set, p); 3150 unlock_user(p, arg2, 0); 3151 set_ptr = &set; 3152 } else { 3153 how = 0; 3154 set_ptr = NULL; 3155 } 3156 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 3157 if (!is_error(ret) && arg3) { 3158 p = lock_user(arg3, sizeof(target_sigset_t), 0); 3159 host_to_target_old_sigset(p, &oldset); 3160 unlock_user(p, arg3, sizeof(target_sigset_t)); 3161 } 3162 } 3163 break; 3164 #endif 3165 case TARGET_NR_rt_sigprocmask: 3166 { 3167 int how = arg1; 3168 sigset_t set, oldset, *set_ptr; 3169 3170 if (arg2) { 3171 switch(how) { 3172 case TARGET_SIG_BLOCK: 3173 how = SIG_BLOCK; 3174 break; 3175 case TARGET_SIG_UNBLOCK: 3176 how = SIG_UNBLOCK; 3177 break; 3178 case TARGET_SIG_SETMASK: 3179 how = SIG_SETMASK; 3180 break; 3181 default: 3182 ret = -EINVAL; 3183 goto fail; 3184 } 3185 p = lock_user(arg2, sizeof(target_sigset_t), 1); 3186 target_to_host_sigset(&set, p); 3187 unlock_user(p, arg2, 0); 3188 set_ptr = &set; 3189 } else { 3190 how = 0; 3191 set_ptr = NULL; 3192 } 3193 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 3194 if (!is_error(ret) && arg3) { 3195 p = lock_user(arg3, sizeof(target_sigset_t), 0); 3196 host_to_target_sigset(p, &oldset); 3197 unlock_user(p, arg3, sizeof(target_sigset_t)); 3198 } 3199 } 3200 break; 3201 #ifdef TARGET_NR_sigpending 3202 case TARGET_NR_sigpending: 3203 { 3204 sigset_t set; 3205 ret = get_errno(sigpending(&set)); 3206 if (!is_error(ret)) { 3207 p = lock_user(arg1, sizeof(target_sigset_t), 0); 3208 host_to_target_old_sigset(p, &set); 3209 unlock_user(p, arg1, sizeof(target_sigset_t)); 3210 } 3211 } 3212 break; 3213 #endif 3214 case TARGET_NR_rt_sigpending: 3215 { 3216 sigset_t set; 3217 ret = get_errno(sigpending(&set)); 3218 if (!is_error(ret)) { 3219 p = lock_user(arg1, sizeof(target_sigset_t), 0); 3220 host_to_target_sigset(p, &set); 3221 unlock_user(p, arg1, sizeof(target_sigset_t)); 3222 } 3223 } 3224 break; 3225 #ifdef TARGET_NR_sigsuspend 3226 case TARGET_NR_sigsuspend: 3227 { 3228 sigset_t set; 3229 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3230 target_to_host_old_sigset(&set, p); 3231 unlock_user(p, arg1, 0); 3232 ret = get_errno(sigsuspend(&set)); 3233 } 3234 break; 3235 #endif 3236 case TARGET_NR_rt_sigsuspend: 3237 { 3238 sigset_t set; 3239 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3240 target_to_host_sigset(&set, p); 3241 unlock_user(p, arg1, 0); 3242 ret = get_errno(sigsuspend(&set)); 3243 } 3244 break; 3245 case TARGET_NR_rt_sigtimedwait: 3246 { 3247 sigset_t set; 3248 struct timespec uts, *puts; 3249 siginfo_t uinfo; 3250 3251 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3252 target_to_host_sigset(&set, p); 3253 unlock_user(p, arg1, 0); 3254 if (arg3) { 3255 puts = &uts; 3256 target_to_host_timespec(puts, arg3); 3257 } else { 3258 puts = NULL; 3259 } 3260 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 3261 if (!is_error(ret) && arg2) { 3262 p = lock_user(arg2, sizeof(target_sigset_t), 0); 3263 host_to_target_siginfo(p, &uinfo); 3264 unlock_user(p, arg2, sizeof(target_sigset_t)); 3265 } 3266 } 3267 break; 3268 case TARGET_NR_rt_sigqueueinfo: 3269 { 3270 siginfo_t uinfo; 3271 p = lock_user(arg3, sizeof(target_sigset_t), 1); 3272 target_to_host_siginfo(&uinfo, p); 3273 unlock_user(p, arg1, 0); 3274 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 3275 } 3276 break; 3277 #ifdef TARGET_NR_sigreturn 3278 case TARGET_NR_sigreturn: 3279 /* NOTE: ret is eax, so not transcoding must be done */ 3280 ret = do_sigreturn(cpu_env); 3281 break; 3282 #endif 3283 case TARGET_NR_rt_sigreturn: 3284 /* NOTE: ret is eax, so not transcoding must be done */ 3285 ret = do_rt_sigreturn(cpu_env); 3286 break; 3287 case TARGET_NR_sethostname: 3288 p = lock_user_string(arg1); 3289 ret = get_errno(sethostname(p, arg2)); 3290 unlock_user(p, arg1, 0); 3291 break; 3292 case TARGET_NR_setrlimit: 3293 { 3294 /* XXX: convert resource ? */ 3295 int resource = arg1; 3296 struct target_rlimit *target_rlim; 3297 struct rlimit rlim; 3298 lock_user_struct(target_rlim, arg2, 1); 3299 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3300 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3301 unlock_user_struct(target_rlim, arg2, 0); 3302 ret = get_errno(setrlimit(resource, &rlim)); 3303 } 3304 break; 3305 case TARGET_NR_getrlimit: 3306 { 3307 /* XXX: convert resource ? */ 3308 int resource = arg1; 3309 struct target_rlimit *target_rlim; 3310 struct rlimit rlim; 3311 3312 ret = get_errno(getrlimit(resource, &rlim)); 3313 if (!is_error(ret)) { 3314 lock_user_struct(target_rlim, arg2, 0); 3315 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3316 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3317 unlock_user_struct(target_rlim, arg2, 1); 3318 } 3319 } 3320 break; 3321 case TARGET_NR_getrusage: 3322 { 3323 struct rusage rusage; 3324 ret = get_errno(getrusage(arg1, &rusage)); 3325 if (!is_error(ret)) { 3326 host_to_target_rusage(arg2, &rusage); 3327 } 3328 } 3329 break; 3330 case TARGET_NR_gettimeofday: 3331 { 3332 struct timeval tv; 3333 ret = get_errno(gettimeofday(&tv, NULL)); 3334 if (!is_error(ret)) { 3335 host_to_target_timeval(arg1, &tv); 3336 } 3337 } 3338 break; 3339 case TARGET_NR_settimeofday: 3340 { 3341 struct timeval tv; 3342 target_to_host_timeval(&tv, arg1); 3343 ret = get_errno(settimeofday(&tv, NULL)); 3344 } 3345 break; 3346 #ifdef TARGET_NR_select 3347 case TARGET_NR_select: 3348 { 3349 struct target_sel_arg_struct *sel; 3350 target_ulong inp, outp, exp, tvp; 3351 long nsel; 3352 3353 lock_user_struct(sel, arg1, 1); 3354 nsel = tswapl(sel->n); 3355 inp = tswapl(sel->inp); 3356 outp = tswapl(sel->outp); 3357 exp = tswapl(sel->exp); 3358 tvp = tswapl(sel->tvp); 3359 unlock_user_struct(sel, arg1, 0); 3360 ret = do_select(nsel, inp, outp, exp, tvp); 3361 } 3362 break; 3363 #endif 3364 case TARGET_NR_symlink: 3365 { 3366 void *p2; 3367 p = lock_user_string(arg1); 3368 p2 = lock_user_string(arg2); 3369 ret = get_errno(symlink(p, p2)); 3370 unlock_user(p2, arg2, 0); 3371 unlock_user(p, arg1, 0); 3372 } 3373 break; 3374 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) 3375 case TARGET_NR_symlinkat: 3376 if (!arg1 || !arg3) { 3377 ret = -EFAULT; 3378 goto fail; 3379 } 3380 { 3381 void *p2 = NULL; 3382 p = lock_user_string(arg1); 3383 p2 = lock_user_string(arg3); 3384 if (!access_ok(VERIFY_READ, p, 1) 3385 || !access_ok(VERIFY_READ, p2, 1)) 3386 ret = -EFAULT; 3387 else 3388 ret = get_errno(sys_symlinkat(p, arg2, p2)); 3389 if (p2) 3390 unlock_user(p2, arg3, 0); 3391 if (p) 3392 unlock_user(p, arg1, 0); 3393 } 3394 break; 3395 #endif 3396 #ifdef TARGET_NR_oldlstat 3397 case TARGET_NR_oldlstat: 3398 goto unimplemented; 3399 #endif 3400 case TARGET_NR_readlink: 3401 { 3402 void *p2; 3403 p = lock_user_string(arg1); 3404 p2 = lock_user(arg2, arg3, 0); 3405 ret = get_errno(readlink(path(p), p2, arg3)); 3406 unlock_user(p2, arg2, ret); 3407 unlock_user(p, arg1, 0); 3408 } 3409 break; 3410 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) 3411 case TARGET_NR_readlinkat: 3412 if (!arg2 || !arg3) { 3413 ret = -EFAULT; 3414 goto fail; 3415 } 3416 { 3417 void *p2 = NULL; 3418 p = lock_user_string(arg2); 3419 p2 = lock_user(arg3, arg4, 0); 3420 if (!access_ok(VERIFY_READ, p, 1) 3421 || !access_ok(VERIFY_READ, p2, 1)) 3422 ret = -EFAULT; 3423 else 3424 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); 3425 if (p2) 3426 unlock_user(p2, arg3, ret); 3427 if (p) 3428 unlock_user(p, arg2, 0); 3429 } 3430 break; 3431 #endif 3432 #ifdef TARGET_NR_uselib 3433 case TARGET_NR_uselib: 3434 goto unimplemented; 3435 #endif 3436 #ifdef TARGET_NR_swapon 3437 case TARGET_NR_swapon: 3438 p = lock_user_string(arg1); 3439 ret = get_errno(swapon(p, arg2)); 3440 unlock_user(p, arg1, 0); 3441 break; 3442 #endif 3443 case TARGET_NR_reboot: 3444 goto unimplemented; 3445 #ifdef TARGET_NR_readdir 3446 case TARGET_NR_readdir: 3447 goto unimplemented; 3448 #endif 3449 #ifdef TARGET_NR_mmap 3450 case TARGET_NR_mmap: 3451 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K) 3452 { 3453 target_ulong *v; 3454 target_ulong v1, v2, v3, v4, v5, v6; 3455 v = lock_user(arg1, 6 * sizeof(target_ulong), 1); 3456 v1 = tswapl(v[0]); 3457 v2 = tswapl(v[1]); 3458 v3 = tswapl(v[2]); 3459 v4 = tswapl(v[3]); 3460 v5 = tswapl(v[4]); 3461 v6 = tswapl(v[5]); 3462 unlock_user(v, arg1, 0); 3463 ret = get_errno(target_mmap(v1, v2, v3, 3464 target_to_host_bitmask(v4, mmap_flags_tbl), 3465 v5, v6)); 3466 } 3467 #else 3468 ret = get_errno(target_mmap(arg1, arg2, arg3, 3469 target_to_host_bitmask(arg4, mmap_flags_tbl), 3470 arg5, 3471 arg6)); 3472 #endif 3473 break; 3474 #endif 3475 #ifdef TARGET_NR_mmap2 3476 case TARGET_NR_mmap2: 3477 #if defined(TARGET_SPARC) || defined(TARGET_MIPS) 3478 #define MMAP_SHIFT 12 3479 #else 3480 #define MMAP_SHIFT TARGET_PAGE_BITS 3481 #endif 3482 ret = get_errno(target_mmap(arg1, arg2, arg3, 3483 target_to_host_bitmask(arg4, mmap_flags_tbl), 3484 arg5, 3485 arg6 << MMAP_SHIFT)); 3486 break; 3487 #endif 3488 case TARGET_NR_munmap: 3489 ret = get_errno(target_munmap(arg1, arg2)); 3490 break; 3491 case TARGET_NR_mprotect: 3492 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 3493 break; 3494 #ifdef TARGET_NR_mremap 3495 case TARGET_NR_mremap: 3496 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 3497 break; 3498 #endif 3499 /* ??? msync/mlock/munlock are broken for softmmu. */ 3500 #ifdef TARGET_NR_msync 3501 case TARGET_NR_msync: 3502 ret = get_errno(msync(g2h(arg1), arg2, arg3)); 3503 break; 3504 #endif 3505 #ifdef TARGET_NR_mlock 3506 case TARGET_NR_mlock: 3507 ret = get_errno(mlock(g2h(arg1), arg2)); 3508 break; 3509 #endif 3510 #ifdef TARGET_NR_munlock 3511 case TARGET_NR_munlock: 3512 ret = get_errno(munlock(g2h(arg1), arg2)); 3513 break; 3514 #endif 3515 #ifdef TARGET_NR_mlockall 3516 case TARGET_NR_mlockall: 3517 ret = get_errno(mlockall(arg1)); 3518 break; 3519 #endif 3520 #ifdef TARGET_NR_munlockall 3521 case TARGET_NR_munlockall: 3522 ret = get_errno(munlockall()); 3523 break; 3524 #endif 3525 case TARGET_NR_truncate: 3526 p = lock_user_string(arg1); 3527 ret = get_errno(truncate(p, arg2)); 3528 unlock_user(p, arg1, 0); 3529 break; 3530 case TARGET_NR_ftruncate: 3531 ret = get_errno(ftruncate(arg1, arg2)); 3532 break; 3533 case TARGET_NR_fchmod: 3534 ret = get_errno(fchmod(arg1, arg2)); 3535 break; 3536 case TARGET_NR_getpriority: 3537 ret = get_errno(getpriority(arg1, arg2)); 3538 break; 3539 case TARGET_NR_setpriority: 3540 ret = get_errno(setpriority(arg1, arg2, arg3)); 3541 break; 3542 #ifdef TARGET_NR_profil 3543 case TARGET_NR_profil: 3544 goto unimplemented; 3545 #endif 3546 case TARGET_NR_statfs: 3547 p = lock_user_string(arg1); 3548 ret = get_errno(statfs(path(p), &stfs)); 3549 unlock_user(p, arg1, 0); 3550 convert_statfs: 3551 if (!is_error(ret)) { 3552 struct target_statfs *target_stfs; 3553 3554 lock_user_struct(target_stfs, arg2, 0); 3555 /* ??? put_user is probably wrong. */ 3556 put_user(stfs.f_type, &target_stfs->f_type); 3557 put_user(stfs.f_bsize, &target_stfs->f_bsize); 3558 put_user(stfs.f_blocks, &target_stfs->f_blocks); 3559 put_user(stfs.f_bfree, &target_stfs->f_bfree); 3560 put_user(stfs.f_bavail, &target_stfs->f_bavail); 3561 put_user(stfs.f_files, &target_stfs->f_files); 3562 put_user(stfs.f_ffree, &target_stfs->f_ffree); 3563 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); 3564 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); 3565 put_user(stfs.f_namelen, &target_stfs->f_namelen); 3566 unlock_user_struct(target_stfs, arg2, 1); 3567 } 3568 break; 3569 case TARGET_NR_fstatfs: 3570 ret = get_errno(fstatfs(arg1, &stfs)); 3571 goto convert_statfs; 3572 #ifdef TARGET_NR_statfs64 3573 case TARGET_NR_statfs64: 3574 p = lock_user_string(arg1); 3575 ret = get_errno(statfs(path(p), &stfs)); 3576 unlock_user(p, arg1, 0); 3577 convert_statfs64: 3578 if (!is_error(ret)) { 3579 struct target_statfs64 *target_stfs; 3580 3581 lock_user_struct(target_stfs, arg3, 0); 3582 /* ??? put_user is probably wrong. */ 3583 put_user(stfs.f_type, &target_stfs->f_type); 3584 put_user(stfs.f_bsize, &target_stfs->f_bsize); 3585 put_user(stfs.f_blocks, &target_stfs->f_blocks); 3586 put_user(stfs.f_bfree, &target_stfs->f_bfree); 3587 put_user(stfs.f_bavail, &target_stfs->f_bavail); 3588 put_user(stfs.f_files, &target_stfs->f_files); 3589 put_user(stfs.f_ffree, &target_stfs->f_ffree); 3590 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); 3591 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); 3592 put_user(stfs.f_namelen, &target_stfs->f_namelen); 3593 unlock_user_struct(target_stfs, arg3, 0); 3594 } 3595 break; 3596 case TARGET_NR_fstatfs64: 3597 ret = get_errno(fstatfs(arg1, &stfs)); 3598 goto convert_statfs64; 3599 #endif 3600 #ifdef TARGET_NR_ioperm 3601 case TARGET_NR_ioperm: 3602 goto unimplemented; 3603 #endif 3604 #ifdef TARGET_NR_socketcall 3605 case TARGET_NR_socketcall: 3606 ret = do_socketcall(arg1, arg2); 3607 break; 3608 #endif 3609 #ifdef TARGET_NR_accept 3610 case TARGET_NR_accept: 3611 ret = do_accept(arg1, arg2, arg3); 3612 break; 3613 #endif 3614 #ifdef TARGET_NR_bind 3615 case TARGET_NR_bind: 3616 ret = do_bind(arg1, arg2, arg3); 3617 break; 3618 #endif 3619 #ifdef TARGET_NR_connect 3620 case TARGET_NR_connect: 3621 ret = do_connect(arg1, arg2, arg3); 3622 break; 3623 #endif 3624 #ifdef TARGET_NR_getpeername 3625 case TARGET_NR_getpeername: 3626 ret = do_getpeername(arg1, arg2, arg3); 3627 break; 3628 #endif 3629 #ifdef TARGET_NR_getsockname 3630 case TARGET_NR_getsockname: 3631 ret = do_getsockname(arg1, arg2, arg3); 3632 break; 3633 #endif 3634 #ifdef TARGET_NR_getsockopt 3635 case TARGET_NR_getsockopt: 3636 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); 3637 break; 3638 #endif 3639 #ifdef TARGET_NR_listen 3640 case TARGET_NR_listen: 3641 ret = get_errno(listen(arg1, arg2)); 3642 break; 3643 #endif 3644 #ifdef TARGET_NR_recv 3645 case TARGET_NR_recv: 3646 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); 3647 break; 3648 #endif 3649 #ifdef TARGET_NR_recvfrom 3650 case TARGET_NR_recvfrom: 3651 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); 3652 break; 3653 #endif 3654 #ifdef TARGET_NR_recvmsg 3655 case TARGET_NR_recvmsg: 3656 ret = do_sendrecvmsg(arg1, arg2, arg3, 0); 3657 break; 3658 #endif 3659 #ifdef TARGET_NR_send 3660 case TARGET_NR_send: 3661 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); 3662 break; 3663 #endif 3664 #ifdef TARGET_NR_sendmsg 3665 case TARGET_NR_sendmsg: 3666 ret = do_sendrecvmsg(arg1, arg2, arg3, 1); 3667 break; 3668 #endif 3669 #ifdef TARGET_NR_sendto 3670 case TARGET_NR_sendto: 3671 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); 3672 break; 3673 #endif 3674 #ifdef TARGET_NR_shutdown 3675 case TARGET_NR_shutdown: 3676 ret = get_errno(shutdown(arg1, arg2)); 3677 break; 3678 #endif 3679 #ifdef TARGET_NR_socket 3680 case TARGET_NR_socket: 3681 ret = do_socket(arg1, arg2, arg3); 3682 break; 3683 #endif 3684 #ifdef TARGET_NR_socketpair 3685 case TARGET_NR_socketpair: 3686 ret = do_socketpair(arg1, arg2, arg3, arg4); 3687 break; 3688 #endif 3689 #ifdef TARGET_NR_setsockopt 3690 case TARGET_NR_setsockopt: 3691 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); 3692 break; 3693 #endif 3694 3695 case TARGET_NR_syslog: 3696 p = lock_user_string(arg2); 3697 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); 3698 unlock_user(p, arg2, 0); 3699 break; 3700 3701 case TARGET_NR_setitimer: 3702 { 3703 struct itimerval value, ovalue, *pvalue; 3704 3705 if (arg2) { 3706 pvalue = &value; 3707 target_to_host_timeval(&pvalue->it_interval, 3708 arg2); 3709 target_to_host_timeval(&pvalue->it_value, 3710 arg2 + sizeof(struct target_timeval)); 3711 } else { 3712 pvalue = NULL; 3713 } 3714 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 3715 if (!is_error(ret) && arg3) { 3716 host_to_target_timeval(arg3, 3717 &ovalue.it_interval); 3718 host_to_target_timeval(arg3 + sizeof(struct target_timeval), 3719 &ovalue.it_value); 3720 } 3721 } 3722 break; 3723 case TARGET_NR_getitimer: 3724 { 3725 struct itimerval value; 3726 3727 ret = get_errno(getitimer(arg1, &value)); 3728 if (!is_error(ret) && arg2) { 3729 host_to_target_timeval(arg2, 3730 &value.it_interval); 3731 host_to_target_timeval(arg2 + sizeof(struct target_timeval), 3732 &value.it_value); 3733 } 3734 } 3735 break; 3736 case TARGET_NR_stat: 3737 p = lock_user_string(arg1); 3738 ret = get_errno(stat(path(p), &st)); 3739 unlock_user(p, arg1, 0); 3740 goto do_stat; 3741 case TARGET_NR_lstat: 3742 p = lock_user_string(arg1); 3743 ret = get_errno(lstat(path(p), &st)); 3744 unlock_user(p, arg1, 0); 3745 goto do_stat; 3746 case TARGET_NR_fstat: 3747 { 3748 ret = get_errno(fstat(arg1, &st)); 3749 do_stat: 3750 if (!is_error(ret)) { 3751 struct target_stat *target_st; 3752 3753 lock_user_struct(target_st, arg2, 0); 3754 #if defined(TARGET_MIPS) || defined(TARGET_SPARC64) 3755 target_st->st_dev = tswap32(st.st_dev); 3756 #else 3757 target_st->st_dev = tswap16(st.st_dev); 3758 #endif 3759 target_st->st_ino = tswapl(st.st_ino); 3760 #if defined(TARGET_PPC) || defined(TARGET_MIPS) 3761 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ 3762 target_st->st_uid = tswap32(st.st_uid); 3763 target_st->st_gid = tswap32(st.st_gid); 3764 #elif defined(TARGET_SPARC64) 3765 target_st->st_mode = tswap32(st.st_mode); 3766 target_st->st_uid = tswap32(st.st_uid); 3767 target_st->st_gid = tswap32(st.st_gid); 3768 #else 3769 target_st->st_mode = tswap16(st.st_mode); 3770 target_st->st_uid = tswap16(st.st_uid); 3771 target_st->st_gid = tswap16(st.st_gid); 3772 #endif 3773 #if defined(TARGET_MIPS) 3774 /* If this is the same on PPC, then just merge w/ the above ifdef */ 3775 target_st->st_nlink = tswapl(st.st_nlink); 3776 target_st->st_rdev = tswapl(st.st_rdev); 3777 #elif defined(TARGET_SPARC64) 3778 target_st->st_nlink = tswap32(st.st_nlink); 3779 target_st->st_rdev = tswap32(st.st_rdev); 3780 #else 3781 target_st->st_nlink = tswap16(st.st_nlink); 3782 target_st->st_rdev = tswap16(st.st_rdev); 3783 #endif 3784 target_st->st_size = tswapl(st.st_size); 3785 target_st->st_blksize = tswapl(st.st_blksize); 3786 target_st->st_blocks = tswapl(st.st_blocks); 3787 target_st->target_st_atime = tswapl(st.st_atime); 3788 target_st->target_st_mtime = tswapl(st.st_mtime); 3789 target_st->target_st_ctime = tswapl(st.st_ctime); 3790 unlock_user_struct(target_st, arg2, 1); 3791 } 3792 } 3793 break; 3794 #ifdef TARGET_NR_olduname 3795 case TARGET_NR_olduname: 3796 goto unimplemented; 3797 #endif 3798 #ifdef TARGET_NR_iopl 3799 case TARGET_NR_iopl: 3800 goto unimplemented; 3801 #endif 3802 case TARGET_NR_vhangup: 3803 ret = get_errno(vhangup()); 3804 break; 3805 #ifdef TARGET_NR_idle 3806 case TARGET_NR_idle: 3807 goto unimplemented; 3808 #endif 3809 #ifdef TARGET_NR_syscall 3810 case TARGET_NR_syscall: 3811 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 3812 break; 3813 #endif 3814 case TARGET_NR_wait4: 3815 { 3816 int status; 3817 target_long status_ptr = arg2; 3818 struct rusage rusage, *rusage_ptr; 3819 target_ulong target_rusage = arg4; 3820 if (target_rusage) 3821 rusage_ptr = &rusage; 3822 else 3823 rusage_ptr = NULL; 3824 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 3825 if (!is_error(ret)) { 3826 if (status_ptr) 3827 tputl(status_ptr, status); 3828 if (target_rusage) { 3829 host_to_target_rusage(target_rusage, &rusage); 3830 } 3831 } 3832 } 3833 break; 3834 #ifdef TARGET_NR_swapoff 3835 case TARGET_NR_swapoff: 3836 p = lock_user_string(arg1); 3837 ret = get_errno(swapoff(p)); 3838 unlock_user(p, arg1, 0); 3839 break; 3840 #endif 3841 case TARGET_NR_sysinfo: 3842 { 3843 struct target_sysinfo *target_value; 3844 struct sysinfo value; 3845 ret = get_errno(sysinfo(&value)); 3846 if (!is_error(ret) && arg1) 3847 { 3848 /* ??? __put_user is probably wrong. */ 3849 lock_user_struct(target_value, arg1, 0); 3850 __put_user(value.uptime, &target_value->uptime); 3851 __put_user(value.loads[0], &target_value->loads[0]); 3852 __put_user(value.loads[1], &target_value->loads[1]); 3853 __put_user(value.loads[2], &target_value->loads[2]); 3854 __put_user(value.totalram, &target_value->totalram); 3855 __put_user(value.freeram, &target_value->freeram); 3856 __put_user(value.sharedram, &target_value->sharedram); 3857 __put_user(value.bufferram, &target_value->bufferram); 3858 __put_user(value.totalswap, &target_value->totalswap); 3859 __put_user(value.freeswap, &target_value->freeswap); 3860 __put_user(value.procs, &target_value->procs); 3861 __put_user(value.totalhigh, &target_value->totalhigh); 3862 __put_user(value.freehigh, &target_value->freehigh); 3863 __put_user(value.mem_unit, &target_value->mem_unit); 3864 unlock_user_struct(target_value, arg1, 1); 3865 } 3866 } 3867 break; 3868 #ifdef TARGET_NR_ipc 3869 case TARGET_NR_ipc: 3870 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 3871 break; 3872 #endif 3873 case TARGET_NR_fsync: 3874 ret = get_errno(fsync(arg1)); 3875 break; 3876 case TARGET_NR_clone: 3877 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 3878 break; 3879 #ifdef __NR_exit_group 3880 /* new thread calls */ 3881 case TARGET_NR_exit_group: 3882 gdb_exit(cpu_env, arg1); 3883 ret = get_errno(exit_group(arg1)); 3884 break; 3885 #endif 3886 case TARGET_NR_setdomainname: 3887 p = lock_user_string(arg1); 3888 ret = get_errno(setdomainname(p, arg2)); 3889 unlock_user(p, arg1, 0); 3890 break; 3891 case TARGET_NR_uname: 3892 /* no need to transcode because we use the linux syscall */ 3893 { 3894 struct new_utsname * buf; 3895 3896 lock_user_struct(buf, arg1, 0); 3897 ret = get_errno(sys_uname(buf)); 3898 if (!is_error(ret)) { 3899 /* Overrite the native machine name with whatever is being 3900 emulated. */ 3901 strcpy (buf->machine, UNAME_MACHINE); 3902 /* Allow the user to override the reported release. */ 3903 if (qemu_uname_release && *qemu_uname_release) 3904 strcpy (buf->release, qemu_uname_release); 3905 } 3906 unlock_user_struct(buf, arg1, 1); 3907 } 3908 break; 3909 #ifdef TARGET_I386 3910 case TARGET_NR_modify_ldt: 3911 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3)); 3912 break; 3913 #if !defined(TARGET_X86_64) 3914 case TARGET_NR_vm86old: 3915 goto unimplemented; 3916 case TARGET_NR_vm86: 3917 ret = do_vm86(cpu_env, arg1, arg2); 3918 break; 3919 #endif 3920 #endif 3921 case TARGET_NR_adjtimex: 3922 goto unimplemented; 3923 #ifdef TARGET_NR_create_module 3924 case TARGET_NR_create_module: 3925 #endif 3926 case TARGET_NR_init_module: 3927 case TARGET_NR_delete_module: 3928 #ifdef TARGET_NR_get_kernel_syms 3929 case TARGET_NR_get_kernel_syms: 3930 #endif 3931 goto unimplemented; 3932 case TARGET_NR_quotactl: 3933 goto unimplemented; 3934 case TARGET_NR_getpgid: 3935 ret = get_errno(getpgid(arg1)); 3936 break; 3937 case TARGET_NR_fchdir: 3938 ret = get_errno(fchdir(arg1)); 3939 break; 3940 #ifdef TARGET_NR_bdflush /* not on x86_64 */ 3941 case TARGET_NR_bdflush: 3942 goto unimplemented; 3943 #endif 3944 #ifdef TARGET_NR_sysfs 3945 case TARGET_NR_sysfs: 3946 goto unimplemented; 3947 #endif 3948 case TARGET_NR_personality: 3949 ret = get_errno(personality(arg1)); 3950 break; 3951 #ifdef TARGET_NR_afs_syscall 3952 case TARGET_NR_afs_syscall: 3953 goto unimplemented; 3954 #endif 3955 #ifdef TARGET_NR__llseek /* Not on alpha */ 3956 case TARGET_NR__llseek: 3957 { 3958 #if defined (__x86_64__) 3959 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 3960 tput64(arg4, ret); 3961 #else 3962 int64_t res; 3963 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 3964 tput64(arg4, res); 3965 #endif 3966 } 3967 break; 3968 #endif 3969 case TARGET_NR_getdents: 3970 #if TARGET_LONG_SIZE != 4 3971 goto unimplemented; 3972 #warning not supported 3973 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8 3974 { 3975 struct target_dirent *target_dirp; 3976 struct dirent *dirp; 3977 long count = arg3; 3978 3979 dirp = malloc(count); 3980 if (!dirp) 3981 return -ENOMEM; 3982 3983 ret = get_errno(sys_getdents(arg1, dirp, count)); 3984 if (!is_error(ret)) { 3985 struct dirent *de; 3986 struct target_dirent *tde; 3987 int len = ret; 3988 int reclen, treclen; 3989 int count1, tnamelen; 3990 3991 count1 = 0; 3992 de = dirp; 3993 target_dirp = lock_user(arg2, count, 0); 3994 tde = target_dirp; 3995 while (len > 0) { 3996 reclen = de->d_reclen; 3997 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long))); 3998 tde->d_reclen = tswap16(treclen); 3999 tde->d_ino = tswapl(de->d_ino); 4000 tde->d_off = tswapl(de->d_off); 4001 tnamelen = treclen - (2 * sizeof(target_long) + 2); 4002 if (tnamelen > 256) 4003 tnamelen = 256; 4004 /* XXX: may not be correct */ 4005 strncpy(tde->d_name, de->d_name, tnamelen); 4006 de = (struct dirent *)((char *)de + reclen); 4007 len -= reclen; 4008 tde = (struct target_dirent *)((char *)tde + treclen); 4009 count1 += treclen; 4010 } 4011 ret = count1; 4012 } 4013 unlock_user(target_dirp, arg2, ret); 4014 free(dirp); 4015 } 4016 #else 4017 { 4018 struct dirent *dirp; 4019 long count = arg3; 4020 4021 dirp = lock_user(arg2, count, 0); 4022 ret = get_errno(sys_getdents(arg1, dirp, count)); 4023 if (!is_error(ret)) { 4024 struct dirent *de; 4025 int len = ret; 4026 int reclen; 4027 de = dirp; 4028 while (len > 0) { 4029 reclen = de->d_reclen; 4030 if (reclen > len) 4031 break; 4032 de->d_reclen = tswap16(reclen); 4033 tswapls(&de->d_ino); 4034 tswapls(&de->d_off); 4035 de = (struct dirent *)((char *)de + reclen); 4036 len -= reclen; 4037 } 4038 } 4039 unlock_user(dirp, arg2, ret); 4040 } 4041 #endif 4042 break; 4043 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) 4044 case TARGET_NR_getdents64: 4045 { 4046 struct dirent64 *dirp; 4047 long count = arg3; 4048 dirp = lock_user(arg2, count, 0); 4049 ret = get_errno(sys_getdents64(arg1, dirp, count)); 4050 if (!is_error(ret)) { 4051 struct dirent64 *de; 4052 int len = ret; 4053 int reclen; 4054 de = dirp; 4055 while (len > 0) { 4056 reclen = de->d_reclen; 4057 if (reclen > len) 4058 break; 4059 de->d_reclen = tswap16(reclen); 4060 tswap64s(&de->d_ino); 4061 tswap64s(&de->d_off); 4062 de = (struct dirent64 *)((char *)de + reclen); 4063 len -= reclen; 4064 } 4065 } 4066 unlock_user(dirp, arg2, ret); 4067 } 4068 break; 4069 #endif /* TARGET_NR_getdents64 */ 4070 #ifdef TARGET_NR__newselect 4071 case TARGET_NR__newselect: 4072 ret = do_select(arg1, arg2, arg3, arg4, arg5); 4073 break; 4074 #endif 4075 #ifdef TARGET_NR_poll 4076 case TARGET_NR_poll: 4077 { 4078 struct target_pollfd *target_pfd; 4079 unsigned int nfds = arg2; 4080 int timeout = arg3; 4081 struct pollfd *pfd; 4082 unsigned int i; 4083 4084 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1); 4085 pfd = alloca(sizeof(struct pollfd) * nfds); 4086 for(i = 0; i < nfds; i++) { 4087 pfd[i].fd = tswap32(target_pfd[i].fd); 4088 pfd[i].events = tswap16(target_pfd[i].events); 4089 } 4090 ret = get_errno(poll(pfd, nfds, timeout)); 4091 if (!is_error(ret)) { 4092 for(i = 0; i < nfds; i++) { 4093 target_pfd[i].revents = tswap16(pfd[i].revents); 4094 } 4095 ret += nfds * (sizeof(struct target_pollfd) 4096 - sizeof(struct pollfd)); 4097 } 4098 unlock_user(target_pfd, arg1, ret); 4099 } 4100 break; 4101 #endif 4102 case TARGET_NR_flock: 4103 /* NOTE: the flock constant seems to be the same for every 4104 Linux platform */ 4105 ret = get_errno(flock(arg1, arg2)); 4106 break; 4107 case TARGET_NR_readv: 4108 { 4109 int count = arg3; 4110 struct iovec *vec; 4111 4112 vec = alloca(count * sizeof(struct iovec)); 4113 lock_iovec(vec, arg2, count, 0); 4114 ret = get_errno(readv(arg1, vec, count)); 4115 unlock_iovec(vec, arg2, count, 1); 4116 } 4117 break; 4118 case TARGET_NR_writev: 4119 { 4120 int count = arg3; 4121 struct iovec *vec; 4122 4123 vec = alloca(count * sizeof(struct iovec)); 4124 lock_iovec(vec, arg2, count, 1); 4125 ret = get_errno(writev(arg1, vec, count)); 4126 unlock_iovec(vec, arg2, count, 0); 4127 } 4128 break; 4129 case TARGET_NR_getsid: 4130 ret = get_errno(getsid(arg1)); 4131 break; 4132 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ 4133 case TARGET_NR_fdatasync: 4134 ret = get_errno(fdatasync(arg1)); 4135 break; 4136 #endif 4137 case TARGET_NR__sysctl: 4138 /* We don't implement this, but ENODIR is always a safe 4139 return value. */ 4140 return -ENOTDIR; 4141 case TARGET_NR_sched_setparam: 4142 { 4143 struct sched_param *target_schp; 4144 struct sched_param schp; 4145 4146 lock_user_struct(target_schp, arg2, 1); 4147 schp.sched_priority = tswap32(target_schp->sched_priority); 4148 unlock_user_struct(target_schp, arg2, 0); 4149 ret = get_errno(sched_setparam(arg1, &schp)); 4150 } 4151 break; 4152 case TARGET_NR_sched_getparam: 4153 { 4154 struct sched_param *target_schp; 4155 struct sched_param schp; 4156 ret = get_errno(sched_getparam(arg1, &schp)); 4157 if (!is_error(ret)) { 4158 lock_user_struct(target_schp, arg2, 0); 4159 target_schp->sched_priority = tswap32(schp.sched_priority); 4160 unlock_user_struct(target_schp, arg2, 1); 4161 } 4162 } 4163 break; 4164 case TARGET_NR_sched_setscheduler: 4165 { 4166 struct sched_param *target_schp; 4167 struct sched_param schp; 4168 lock_user_struct(target_schp, arg3, 1); 4169 schp.sched_priority = tswap32(target_schp->sched_priority); 4170 unlock_user_struct(target_schp, arg3, 0); 4171 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 4172 } 4173 break; 4174 case TARGET_NR_sched_getscheduler: 4175 ret = get_errno(sched_getscheduler(arg1)); 4176 break; 4177 case TARGET_NR_sched_yield: 4178 ret = get_errno(sched_yield()); 4179 break; 4180 case TARGET_NR_sched_get_priority_max: 4181 ret = get_errno(sched_get_priority_max(arg1)); 4182 break; 4183 case TARGET_NR_sched_get_priority_min: 4184 ret = get_errno(sched_get_priority_min(arg1)); 4185 break; 4186 case TARGET_NR_sched_rr_get_interval: 4187 { 4188 struct timespec ts; 4189 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 4190 if (!is_error(ret)) { 4191 host_to_target_timespec(arg2, &ts); 4192 } 4193 } 4194 break; 4195 case TARGET_NR_nanosleep: 4196 { 4197 struct timespec req, rem; 4198 target_to_host_timespec(&req, arg1); 4199 ret = get_errno(nanosleep(&req, &rem)); 4200 if (is_error(ret) && arg2) { 4201 host_to_target_timespec(arg2, &rem); 4202 } 4203 } 4204 break; 4205 #ifdef TARGET_NR_query_module 4206 case TARGET_NR_query_module: 4207 goto unimplemented; 4208 #endif 4209 #ifdef TARGET_NR_nfsservctl 4210 case TARGET_NR_nfsservctl: 4211 goto unimplemented; 4212 #endif 4213 case TARGET_NR_prctl: 4214 switch (arg1) 4215 { 4216 case PR_GET_PDEATHSIG: 4217 { 4218 int deathsig; 4219 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); 4220 if (!is_error(ret) && arg2) 4221 tput32(arg2, deathsig); 4222 } 4223 break; 4224 default: 4225 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); 4226 break; 4227 } 4228 break; 4229 #ifdef TARGET_NR_pread 4230 case TARGET_NR_pread: 4231 page_unprotect_range(arg2, arg3); 4232 p = lock_user(arg2, arg3, 0); 4233 ret = get_errno(pread(arg1, p, arg3, arg4)); 4234 unlock_user(p, arg2, ret); 4235 break; 4236 case TARGET_NR_pwrite: 4237 p = lock_user(arg2, arg3, 1); 4238 ret = get_errno(pwrite(arg1, p, arg3, arg4)); 4239 unlock_user(p, arg2, 0); 4240 break; 4241 #endif 4242 case TARGET_NR_getcwd: 4243 p = lock_user(arg1, arg2, 0); 4244 ret = get_errno(sys_getcwd1(p, arg2)); 4245 unlock_user(p, arg1, ret); 4246 break; 4247 case TARGET_NR_capget: 4248 goto unimplemented; 4249 case TARGET_NR_capset: 4250 goto unimplemented; 4251 case TARGET_NR_sigaltstack: 4252 goto unimplemented; 4253 case TARGET_NR_sendfile: 4254 goto unimplemented; 4255 #ifdef TARGET_NR_getpmsg 4256 case TARGET_NR_getpmsg: 4257 goto unimplemented; 4258 #endif 4259 #ifdef TARGET_NR_putpmsg 4260 case TARGET_NR_putpmsg: 4261 goto unimplemented; 4262 #endif 4263 #ifdef TARGET_NR_vfork 4264 case TARGET_NR_vfork: 4265 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 4266 break; 4267 #endif 4268 #ifdef TARGET_NR_ugetrlimit 4269 case TARGET_NR_ugetrlimit: 4270 { 4271 struct rlimit rlim; 4272 ret = get_errno(getrlimit(arg1, &rlim)); 4273 if (!is_error(ret)) { 4274 struct target_rlimit *target_rlim; 4275 lock_user_struct(target_rlim, arg2, 0); 4276 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 4277 target_rlim->rlim_max = tswapl(rlim.rlim_max); 4278 unlock_user_struct(target_rlim, arg2, 1); 4279 } 4280 break; 4281 } 4282 #endif 4283 #ifdef TARGET_NR_truncate64 4284 case TARGET_NR_truncate64: 4285 p = lock_user_string(arg1); 4286 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); 4287 unlock_user(p, arg1, 0); 4288 break; 4289 #endif 4290 #ifdef TARGET_NR_ftruncate64 4291 case TARGET_NR_ftruncate64: 4292 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); 4293 break; 4294 #endif 4295 #ifdef TARGET_NR_stat64 4296 case TARGET_NR_stat64: 4297 p = lock_user_string(arg1); 4298 ret = get_errno(stat(path(p), &st)); 4299 unlock_user(p, arg1, 0); 4300 goto do_stat64; 4301 #endif 4302 #ifdef TARGET_NR_lstat64 4303 case TARGET_NR_lstat64: 4304 p = lock_user_string(arg1); 4305 ret = get_errno(lstat(path(p), &st)); 4306 unlock_user(p, arg1, 0); 4307 goto do_stat64; 4308 #endif 4309 #ifdef TARGET_NR_fstat64 4310 case TARGET_NR_fstat64: 4311 { 4312 ret = get_errno(fstat(arg1, &st)); 4313 do_stat64: 4314 if (!is_error(ret)) { 4315 #ifdef TARGET_ARM 4316 if (((CPUARMState *)cpu_env)->eabi) { 4317 struct target_eabi_stat64 *target_st; 4318 lock_user_struct(target_st, arg2, 1); 4319 memset(target_st, 0, sizeof(struct target_eabi_stat64)); 4320 /* put_user is probably wrong. */ 4321 put_user(st.st_dev, &target_st->st_dev); 4322 put_user(st.st_ino, &target_st->st_ino); 4323 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4324 put_user(st.st_ino, &target_st->__st_ino); 4325 #endif 4326 put_user(st.st_mode, &target_st->st_mode); 4327 put_user(st.st_nlink, &target_st->st_nlink); 4328 put_user(st.st_uid, &target_st->st_uid); 4329 put_user(st.st_gid, &target_st->st_gid); 4330 put_user(st.st_rdev, &target_st->st_rdev); 4331 /* XXX: better use of kernel struct */ 4332 put_user(st.st_size, &target_st->st_size); 4333 put_user(st.st_blksize, &target_st->st_blksize); 4334 put_user(st.st_blocks, &target_st->st_blocks); 4335 put_user(st.st_atime, &target_st->target_st_atime); 4336 put_user(st.st_mtime, &target_st->target_st_mtime); 4337 put_user(st.st_ctime, &target_st->target_st_ctime); 4338 unlock_user_struct(target_st, arg2, 0); 4339 } else 4340 #endif 4341 { 4342 struct target_stat64 *target_st; 4343 lock_user_struct(target_st, arg2, 1); 4344 memset(target_st, 0, sizeof(struct target_stat64)); 4345 /* ??? put_user is probably wrong. */ 4346 put_user(st.st_dev, &target_st->st_dev); 4347 put_user(st.st_ino, &target_st->st_ino); 4348 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4349 put_user(st.st_ino, &target_st->__st_ino); 4350 #endif 4351 put_user(st.st_mode, &target_st->st_mode); 4352 put_user(st.st_nlink, &target_st->st_nlink); 4353 put_user(st.st_uid, &target_st->st_uid); 4354 put_user(st.st_gid, &target_st->st_gid); 4355 put_user(st.st_rdev, &target_st->st_rdev); 4356 /* XXX: better use of kernel struct */ 4357 put_user(st.st_size, &target_st->st_size); 4358 put_user(st.st_blksize, &target_st->st_blksize); 4359 put_user(st.st_blocks, &target_st->st_blocks); 4360 put_user(st.st_atime, &target_st->target_st_atime); 4361 put_user(st.st_mtime, &target_st->target_st_mtime); 4362 put_user(st.st_ctime, &target_st->target_st_ctime); 4363 unlock_user_struct(target_st, arg2, 0); 4364 } 4365 } 4366 } 4367 break; 4368 #endif 4369 #ifdef USE_UID16 4370 case TARGET_NR_lchown: 4371 p = lock_user_string(arg1); 4372 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); 4373 unlock_user(p, arg1, 0); 4374 break; 4375 case TARGET_NR_getuid: 4376 ret = get_errno(high2lowuid(getuid())); 4377 break; 4378 case TARGET_NR_getgid: 4379 ret = get_errno(high2lowgid(getgid())); 4380 break; 4381 case TARGET_NR_geteuid: 4382 ret = get_errno(high2lowuid(geteuid())); 4383 break; 4384 case TARGET_NR_getegid: 4385 ret = get_errno(high2lowgid(getegid())); 4386 break; 4387 case TARGET_NR_setreuid: 4388 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 4389 break; 4390 case TARGET_NR_setregid: 4391 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 4392 break; 4393 case TARGET_NR_getgroups: 4394 { 4395 int gidsetsize = arg1; 4396 uint16_t *target_grouplist; 4397 gid_t *grouplist; 4398 int i; 4399 4400 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4401 ret = get_errno(getgroups(gidsetsize, grouplist)); 4402 if (!is_error(ret)) { 4403 target_grouplist = lock_user(arg2, gidsetsize * 2, 0); 4404 for(i = 0;i < gidsetsize; i++) 4405 target_grouplist[i] = tswap16(grouplist[i]); 4406 unlock_user(target_grouplist, arg2, gidsetsize * 2); 4407 } 4408 } 4409 break; 4410 case TARGET_NR_setgroups: 4411 { 4412 int gidsetsize = arg1; 4413 uint16_t *target_grouplist; 4414 gid_t *grouplist; 4415 int i; 4416 4417 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4418 target_grouplist = lock_user(arg2, gidsetsize * 2, 1); 4419 for(i = 0;i < gidsetsize; i++) 4420 grouplist[i] = tswap16(target_grouplist[i]); 4421 unlock_user(target_grouplist, arg2, 0); 4422 ret = get_errno(setgroups(gidsetsize, grouplist)); 4423 } 4424 break; 4425 case TARGET_NR_fchown: 4426 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 4427 break; 4428 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) 4429 case TARGET_NR_fchownat: 4430 if (!arg2) { 4431 ret = -EFAULT; 4432 goto fail; 4433 } 4434 p = lock_user_string(arg2); 4435 if (!access_ok(VERIFY_READ, p, 1)) 4436 ret = -EFAULT; 4437 else 4438 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); 4439 if (p) 4440 unlock_user(p, arg2, 0); 4441 break; 4442 #endif 4443 #ifdef TARGET_NR_setresuid 4444 case TARGET_NR_setresuid: 4445 ret = get_errno(setresuid(low2highuid(arg1), 4446 low2highuid(arg2), 4447 low2highuid(arg3))); 4448 break; 4449 #endif 4450 #ifdef TARGET_NR_getresuid 4451 case TARGET_NR_getresuid: 4452 { 4453 uid_t ruid, euid, suid; 4454 ret = get_errno(getresuid(&ruid, &euid, &suid)); 4455 if (!is_error(ret)) { 4456 tput16(arg1, tswap16(high2lowuid(ruid))); 4457 tput16(arg2, tswap16(high2lowuid(euid))); 4458 tput16(arg3, tswap16(high2lowuid(suid))); 4459 } 4460 } 4461 break; 4462 #endif 4463 #ifdef TARGET_NR_getresgid 4464 case TARGET_NR_setresgid: 4465 ret = get_errno(setresgid(low2highgid(arg1), 4466 low2highgid(arg2), 4467 low2highgid(arg3))); 4468 break; 4469 #endif 4470 #ifdef TARGET_NR_getresgid 4471 case TARGET_NR_getresgid: 4472 { 4473 gid_t rgid, egid, sgid; 4474 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 4475 if (!is_error(ret)) { 4476 tput16(arg1, tswap16(high2lowgid(rgid))); 4477 tput16(arg2, tswap16(high2lowgid(egid))); 4478 tput16(arg3, tswap16(high2lowgid(sgid))); 4479 } 4480 } 4481 break; 4482 #endif 4483 case TARGET_NR_chown: 4484 p = lock_user_string(arg1); 4485 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); 4486 unlock_user(p, arg1, 0); 4487 break; 4488 case TARGET_NR_setuid: 4489 ret = get_errno(setuid(low2highuid(arg1))); 4490 break; 4491 case TARGET_NR_setgid: 4492 ret = get_errno(setgid(low2highgid(arg1))); 4493 break; 4494 case TARGET_NR_setfsuid: 4495 ret = get_errno(setfsuid(arg1)); 4496 break; 4497 case TARGET_NR_setfsgid: 4498 ret = get_errno(setfsgid(arg1)); 4499 break; 4500 #endif /* USE_UID16 */ 4501 4502 #ifdef TARGET_NR_lchown32 4503 case TARGET_NR_lchown32: 4504 p = lock_user_string(arg1); 4505 ret = get_errno(lchown(p, arg2, arg3)); 4506 unlock_user(p, arg1, 0); 4507 break; 4508 #endif 4509 #ifdef TARGET_NR_getuid32 4510 case TARGET_NR_getuid32: 4511 ret = get_errno(getuid()); 4512 break; 4513 #endif 4514 #ifdef TARGET_NR_getgid32 4515 case TARGET_NR_getgid32: 4516 ret = get_errno(getgid()); 4517 break; 4518 #endif 4519 #ifdef TARGET_NR_geteuid32 4520 case TARGET_NR_geteuid32: 4521 ret = get_errno(geteuid()); 4522 break; 4523 #endif 4524 #ifdef TARGET_NR_getegid32 4525 case TARGET_NR_getegid32: 4526 ret = get_errno(getegid()); 4527 break; 4528 #endif 4529 #ifdef TARGET_NR_setreuid32 4530 case TARGET_NR_setreuid32: 4531 ret = get_errno(setreuid(arg1, arg2)); 4532 break; 4533 #endif 4534 #ifdef TARGET_NR_setregid32 4535 case TARGET_NR_setregid32: 4536 ret = get_errno(setregid(arg1, arg2)); 4537 break; 4538 #endif 4539 #ifdef TARGET_NR_getgroups32 4540 case TARGET_NR_getgroups32: 4541 { 4542 int gidsetsize = arg1; 4543 uint32_t *target_grouplist; 4544 gid_t *grouplist; 4545 int i; 4546 4547 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4548 ret = get_errno(getgroups(gidsetsize, grouplist)); 4549 if (!is_error(ret)) { 4550 target_grouplist = lock_user(arg2, gidsetsize * 4, 0); 4551 for(i = 0;i < gidsetsize; i++) 4552 target_grouplist[i] = tswap32(grouplist[i]); 4553 unlock_user(target_grouplist, arg2, gidsetsize * 4); 4554 } 4555 } 4556 break; 4557 #endif 4558 #ifdef TARGET_NR_setgroups32 4559 case TARGET_NR_setgroups32: 4560 { 4561 int gidsetsize = arg1; 4562 uint32_t *target_grouplist; 4563 gid_t *grouplist; 4564 int i; 4565 4566 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4567 target_grouplist = lock_user(arg2, gidsetsize * 4, 1); 4568 for(i = 0;i < gidsetsize; i++) 4569 grouplist[i] = tswap32(target_grouplist[i]); 4570 unlock_user(target_grouplist, arg2, 0); 4571 ret = get_errno(setgroups(gidsetsize, grouplist)); 4572 } 4573 break; 4574 #endif 4575 #ifdef TARGET_NR_fchown32 4576 case TARGET_NR_fchown32: 4577 ret = get_errno(fchown(arg1, arg2, arg3)); 4578 break; 4579 #endif 4580 #ifdef TARGET_NR_setresuid32 4581 case TARGET_NR_setresuid32: 4582 ret = get_errno(setresuid(arg1, arg2, arg3)); 4583 break; 4584 #endif 4585 #ifdef TARGET_NR_getresuid32 4586 case TARGET_NR_getresuid32: 4587 { 4588 uid_t ruid, euid, suid; 4589 ret = get_errno(getresuid(&ruid, &euid, &suid)); 4590 if (!is_error(ret)) { 4591 tput32(arg1, tswap32(ruid)); 4592 tput32(arg2, tswap32(euid)); 4593 tput32(arg3, tswap32(suid)); 4594 } 4595 } 4596 break; 4597 #endif 4598 #ifdef TARGET_NR_setresgid32 4599 case TARGET_NR_setresgid32: 4600 ret = get_errno(setresgid(arg1, arg2, arg3)); 4601 break; 4602 #endif 4603 #ifdef TARGET_NR_getresgid32 4604 case TARGET_NR_getresgid32: 4605 { 4606 gid_t rgid, egid, sgid; 4607 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 4608 if (!is_error(ret)) { 4609 tput32(arg1, tswap32(rgid)); 4610 tput32(arg2, tswap32(egid)); 4611 tput32(arg3, tswap32(sgid)); 4612 } 4613 } 4614 break; 4615 #endif 4616 #ifdef TARGET_NR_chown32 4617 case TARGET_NR_chown32: 4618 p = lock_user_string(arg1); 4619 ret = get_errno(chown(p, arg2, arg3)); 4620 unlock_user(p, arg1, 0); 4621 break; 4622 #endif 4623 #ifdef TARGET_NR_setuid32 4624 case TARGET_NR_setuid32: 4625 ret = get_errno(setuid(arg1)); 4626 break; 4627 #endif 4628 #ifdef TARGET_NR_setgid32 4629 case TARGET_NR_setgid32: 4630 ret = get_errno(setgid(arg1)); 4631 break; 4632 #endif 4633 #ifdef TARGET_NR_setfsuid32 4634 case TARGET_NR_setfsuid32: 4635 ret = get_errno(setfsuid(arg1)); 4636 break; 4637 #endif 4638 #ifdef TARGET_NR_setfsgid32 4639 case TARGET_NR_setfsgid32: 4640 ret = get_errno(setfsgid(arg1)); 4641 break; 4642 #endif 4643 4644 case TARGET_NR_pivot_root: 4645 goto unimplemented; 4646 #ifdef TARGET_NR_mincore 4647 case TARGET_NR_mincore: 4648 goto unimplemented; 4649 #endif 4650 #ifdef TARGET_NR_madvise 4651 case TARGET_NR_madvise: 4652 /* A straight passthrough may not be safe because qemu sometimes 4653 turns private flie-backed mappings into anonymous mappings. 4654 This will break MADV_DONTNEED. 4655 This is a hint, so ignoring and returning success is ok. */ 4656 ret = get_errno(0); 4657 break; 4658 #endif 4659 #if TARGET_LONG_BITS == 32 4660 case TARGET_NR_fcntl64: 4661 { 4662 int cmd; 4663 struct flock64 fl; 4664 struct target_flock64 *target_fl; 4665 #ifdef TARGET_ARM 4666 struct target_eabi_flock64 *target_efl; 4667 #endif 4668 4669 switch(arg2){ 4670 case TARGET_F_GETLK64: 4671 cmd = F_GETLK64; 4672 break; 4673 case TARGET_F_SETLK64: 4674 cmd = F_SETLK64; 4675 break; 4676 case TARGET_F_SETLKW64: 4677 cmd = F_SETLK64; 4678 break; 4679 default: 4680 cmd = arg2; 4681 break; 4682 } 4683 4684 switch(arg2) { 4685 case TARGET_F_GETLK64: 4686 #ifdef TARGET_ARM 4687 if (((CPUARMState *)cpu_env)->eabi) { 4688 lock_user_struct(target_efl, arg3, 1); 4689 fl.l_type = tswap16(target_efl->l_type); 4690 fl.l_whence = tswap16(target_efl->l_whence); 4691 fl.l_start = tswap64(target_efl->l_start); 4692 fl.l_len = tswap64(target_efl->l_len); 4693 fl.l_pid = tswapl(target_efl->l_pid); 4694 unlock_user_struct(target_efl, arg3, 0); 4695 } else 4696 #endif 4697 { 4698 lock_user_struct(target_fl, arg3, 1); 4699 fl.l_type = tswap16(target_fl->l_type); 4700 fl.l_whence = tswap16(target_fl->l_whence); 4701 fl.l_start = tswap64(target_fl->l_start); 4702 fl.l_len = tswap64(target_fl->l_len); 4703 fl.l_pid = tswapl(target_fl->l_pid); 4704 unlock_user_struct(target_fl, arg3, 0); 4705 } 4706 ret = get_errno(fcntl(arg1, cmd, &fl)); 4707 if (ret == 0) { 4708 #ifdef TARGET_ARM 4709 if (((CPUARMState *)cpu_env)->eabi) { 4710 lock_user_struct(target_efl, arg3, 0); 4711 target_efl->l_type = tswap16(fl.l_type); 4712 target_efl->l_whence = tswap16(fl.l_whence); 4713 target_efl->l_start = tswap64(fl.l_start); 4714 target_efl->l_len = tswap64(fl.l_len); 4715 target_efl->l_pid = tswapl(fl.l_pid); 4716 unlock_user_struct(target_efl, arg3, 1); 4717 } else 4718 #endif 4719 { 4720 lock_user_struct(target_fl, arg3, 0); 4721 target_fl->l_type = tswap16(fl.l_type); 4722 target_fl->l_whence = tswap16(fl.l_whence); 4723 target_fl->l_start = tswap64(fl.l_start); 4724 target_fl->l_len = tswap64(fl.l_len); 4725 target_fl->l_pid = tswapl(fl.l_pid); 4726 unlock_user_struct(target_fl, arg3, 1); 4727 } 4728 } 4729 break; 4730 4731 case TARGET_F_SETLK64: 4732 case TARGET_F_SETLKW64: 4733 #ifdef TARGET_ARM 4734 if (((CPUARMState *)cpu_env)->eabi) { 4735 lock_user_struct(target_efl, arg3, 1); 4736 fl.l_type = tswap16(target_efl->l_type); 4737 fl.l_whence = tswap16(target_efl->l_whence); 4738 fl.l_start = tswap64(target_efl->l_start); 4739 fl.l_len = tswap64(target_efl->l_len); 4740 fl.l_pid = tswapl(target_efl->l_pid); 4741 unlock_user_struct(target_efl, arg3, 0); 4742 } else 4743 #endif 4744 { 4745 lock_user_struct(target_fl, arg3, 1); 4746 fl.l_type = tswap16(target_fl->l_type); 4747 fl.l_whence = tswap16(target_fl->l_whence); 4748 fl.l_start = tswap64(target_fl->l_start); 4749 fl.l_len = tswap64(target_fl->l_len); 4750 fl.l_pid = tswapl(target_fl->l_pid); 4751 unlock_user_struct(target_fl, arg3, 0); 4752 } 4753 ret = get_errno(fcntl(arg1, cmd, &fl)); 4754 break; 4755 default: 4756 ret = get_errno(do_fcntl(arg1, cmd, arg3)); 4757 break; 4758 } 4759 break; 4760 } 4761 #endif 4762 #ifdef TARGET_NR_cacheflush 4763 case TARGET_NR_cacheflush: 4764 /* self-modifying code is handled automatically, so nothing needed */ 4765 ret = 0; 4766 break; 4767 #endif 4768 #ifdef TARGET_NR_security 4769 case TARGET_NR_security: 4770 goto unimplemented; 4771 #endif 4772 #ifdef TARGET_NR_getpagesize 4773 case TARGET_NR_getpagesize: 4774 ret = TARGET_PAGE_SIZE; 4775 break; 4776 #endif 4777 case TARGET_NR_gettid: 4778 ret = get_errno(gettid()); 4779 break; 4780 #ifdef TARGET_NR_readahead 4781 case TARGET_NR_readahead: 4782 goto unimplemented; 4783 #endif 4784 #ifdef TARGET_NR_setxattr 4785 case TARGET_NR_setxattr: 4786 case TARGET_NR_lsetxattr: 4787 case TARGET_NR_fsetxattr: 4788 case TARGET_NR_getxattr: 4789 case TARGET_NR_lgetxattr: 4790 case TARGET_NR_fgetxattr: 4791 case TARGET_NR_listxattr: 4792 case TARGET_NR_llistxattr: 4793 case TARGET_NR_flistxattr: 4794 case TARGET_NR_removexattr: 4795 case TARGET_NR_lremovexattr: 4796 case TARGET_NR_fremovexattr: 4797 goto unimplemented_nowarn; 4798 #endif 4799 #ifdef TARGET_NR_set_thread_area 4800 case TARGET_NR_set_thread_area: 4801 #ifdef TARGET_MIPS 4802 ((CPUMIPSState *) cpu_env)->tls_value = arg1; 4803 ret = 0; 4804 break; 4805 #else 4806 goto unimplemented_nowarn; 4807 #endif 4808 #endif 4809 #ifdef TARGET_NR_get_thread_area 4810 case TARGET_NR_get_thread_area: 4811 goto unimplemented_nowarn; 4812 #endif 4813 #ifdef TARGET_NR_getdomainname 4814 case TARGET_NR_getdomainname: 4815 goto unimplemented_nowarn; 4816 #endif 4817 4818 #ifdef TARGET_NR_clock_gettime 4819 case TARGET_NR_clock_gettime: 4820 { 4821 struct timespec ts; 4822 ret = get_errno(clock_gettime(arg1, &ts)); 4823 if (!is_error(ret)) { 4824 host_to_target_timespec(arg2, &ts); 4825 } 4826 break; 4827 } 4828 #endif 4829 #ifdef TARGET_NR_clock_getres 4830 case TARGET_NR_clock_getres: 4831 { 4832 struct timespec ts; 4833 ret = get_errno(clock_getres(arg1, &ts)); 4834 if (!is_error(ret)) { 4835 host_to_target_timespec(arg2, &ts); 4836 } 4837 break; 4838 } 4839 #endif 4840 4841 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) 4842 case TARGET_NR_set_tid_address: 4843 ret = get_errno(set_tid_address((int *) arg1)); 4844 break; 4845 #endif 4846 4847 #if defined(TARGET_NR_tkill) && defined(__NR_tkill) 4848 case TARGET_NR_tkill: 4849 ret = get_errno(sys_tkill((int)arg1, (int)arg2)); 4850 break; 4851 #endif 4852 4853 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) 4854 case TARGET_NR_tgkill: 4855 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3)); 4856 break; 4857 #endif 4858 4859 #ifdef TARGET_NR_set_robust_list 4860 case TARGET_NR_set_robust_list: 4861 goto unimplemented_nowarn; 4862 #endif 4863 4864 default: 4865 unimplemented: 4866 gemu_log("qemu: Unsupported syscall: %d\n", num); 4867 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) 4868 unimplemented_nowarn: 4869 #endif 4870 ret = -ENOSYS; 4871 break; 4872 } 4873 fail: 4874 #ifdef DEBUG 4875 gemu_log(" = %ld\n", ret); 4876 #endif 4877 return ret; 4878 } 4879 4880