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