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) || defined(TARGET_CRIS) 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_faccessat __NR_faccessat 143 #define __NR_sys_fchmodat __NR_fchmodat 144 #define __NR_sys_fchownat __NR_fchownat 145 #define __NR_sys_getcwd1 __NR_getcwd 146 #define __NR_sys_getdents __NR_getdents 147 #define __NR_sys_getdents64 __NR_getdents64 148 #define __NR_sys_getpriority __NR_getpriority 149 #define __NR_sys_linkat __NR_linkat 150 #define __NR_sys_mkdirat __NR_mkdirat 151 #define __NR_sys_mknodat __NR_mknodat 152 #define __NR_sys_openat __NR_openat 153 #define __NR_sys_readlinkat __NR_readlinkat 154 #define __NR_sys_renameat __NR_renameat 155 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo 156 #define __NR_sys_symlinkat __NR_symlinkat 157 #define __NR_sys_syslog __NR_syslog 158 #define __NR_sys_tgkill __NR_tgkill 159 #define __NR_sys_tkill __NR_tkill 160 #define __NR_sys_unlinkat __NR_unlinkat 161 #define __NR_sys_utimensat __NR_utimensat 162 163 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) 164 #define __NR__llseek __NR_lseek 165 #endif 166 167 #ifdef __NR_gettid 168 _syscall0(int, gettid) 169 #else 170 static int gettid(void) { 171 return -ENOSYS; 172 } 173 #endif 174 _syscall1(int,sys_uname,struct new_utsname *,buf) 175 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) 176 _syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags) 177 #endif 178 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) 179 _syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname, 180 mode_t,mode,int,flags) 181 #endif 182 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) 183 _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, 184 uid_t,owner,gid_t,group,int,flags) 185 #endif 186 _syscall2(int,sys_getcwd1,char *,buf,size_t,size) 187 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); 188 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) 189 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count); 190 #endif 191 _syscall2(int, sys_getpriority, int, which, int, who); 192 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, 193 loff_t *, res, uint, wh); 194 #if defined(TARGET_NR_linkat) && defined(__NR_linkat) 195 _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath, 196 int,newdirfd,const char *,newpath,int,flags) 197 #endif 198 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) 199 _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) 200 #endif 201 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) 202 _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, 203 mode_t,mode,dev_t,dev) 204 #endif 205 #if defined(TARGET_NR_openat) && defined(__NR_openat) 206 _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) 207 #endif 208 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) 209 _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname, 210 char *,buf,size_t,bufsize) 211 #endif 212 #if defined(TARGET_NR_renameat) && defined(__NR_renameat) 213 _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, 214 int,newdirfd,const char *,newpath) 215 #endif 216 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) 217 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) 218 _syscall3(int,sys_symlinkat,const char *,oldpath, 219 int,newdirfd,const char *,newpath) 220 #endif 221 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) 222 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) 223 _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) 224 #endif 225 #if defined(TARGET_NR_tkill) && defined(__NR_tkill) 226 _syscall2(int,sys_tkill,int,tid,int,sig) 227 #endif 228 #ifdef __NR_exit_group 229 _syscall1(int,exit_group,int,error_code) 230 #endif 231 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) 232 _syscall1(int,set_tid_address,int *,tidptr) 233 #endif 234 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) 235 _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) 236 #endif 237 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat) 238 _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, 239 const struct timespec *,tsp,int,flags) 240 #endif 241 242 extern int personality(int); 243 extern int flock(int, int); 244 extern int setfsuid(int); 245 extern int setfsgid(int); 246 extern int setresuid(uid_t, uid_t, uid_t); 247 extern int getresuid(uid_t *, uid_t *, uid_t *); 248 extern int setresgid(gid_t, gid_t, gid_t); 249 extern int getresgid(gid_t *, gid_t *, gid_t *); 250 extern int setgroups(int, gid_t *); 251 252 /* 253 * This list is the union of errno values overridden in asm-<arch>/errno.h 254 * minus the errnos that are not actually generic to all archs. 255 */ 256 static uint16_t host_to_target_errno_table[1200] = { 257 [EIDRM] = TARGET_EIDRM, 258 [ECHRNG] = TARGET_ECHRNG, 259 [EL2NSYNC] = TARGET_EL2NSYNC, 260 [EL3HLT] = TARGET_EL3HLT, 261 [EL3RST] = TARGET_EL3RST, 262 [ELNRNG] = TARGET_ELNRNG, 263 [EUNATCH] = TARGET_EUNATCH, 264 [ENOCSI] = TARGET_ENOCSI, 265 [EL2HLT] = TARGET_EL2HLT, 266 [EDEADLK] = TARGET_EDEADLK, 267 [ENOLCK] = TARGET_ENOLCK, 268 [EBADE] = TARGET_EBADE, 269 [EBADR] = TARGET_EBADR, 270 [EXFULL] = TARGET_EXFULL, 271 [ENOANO] = TARGET_ENOANO, 272 [EBADRQC] = TARGET_EBADRQC, 273 [EBADSLT] = TARGET_EBADSLT, 274 [EBFONT] = TARGET_EBFONT, 275 [ENOSTR] = TARGET_ENOSTR, 276 [ENODATA] = TARGET_ENODATA, 277 [ETIME] = TARGET_ETIME, 278 [ENOSR] = TARGET_ENOSR, 279 [ENONET] = TARGET_ENONET, 280 [ENOPKG] = TARGET_ENOPKG, 281 [EREMOTE] = TARGET_EREMOTE, 282 [ENOLINK] = TARGET_ENOLINK, 283 [EADV] = TARGET_EADV, 284 [ESRMNT] = TARGET_ESRMNT, 285 [ECOMM] = TARGET_ECOMM, 286 [EPROTO] = TARGET_EPROTO, 287 [EDOTDOT] = TARGET_EDOTDOT, 288 [EMULTIHOP] = TARGET_EMULTIHOP, 289 [EBADMSG] = TARGET_EBADMSG, 290 [ENAMETOOLONG] = TARGET_ENAMETOOLONG, 291 [EOVERFLOW] = TARGET_EOVERFLOW, 292 [ENOTUNIQ] = TARGET_ENOTUNIQ, 293 [EBADFD] = TARGET_EBADFD, 294 [EREMCHG] = TARGET_EREMCHG, 295 [ELIBACC] = TARGET_ELIBACC, 296 [ELIBBAD] = TARGET_ELIBBAD, 297 [ELIBSCN] = TARGET_ELIBSCN, 298 [ELIBMAX] = TARGET_ELIBMAX, 299 [ELIBEXEC] = TARGET_ELIBEXEC, 300 [EILSEQ] = TARGET_EILSEQ, 301 [ENOSYS] = TARGET_ENOSYS, 302 [ELOOP] = TARGET_ELOOP, 303 [ERESTART] = TARGET_ERESTART, 304 [ESTRPIPE] = TARGET_ESTRPIPE, 305 [ENOTEMPTY] = TARGET_ENOTEMPTY, 306 [EUSERS] = TARGET_EUSERS, 307 [ENOTSOCK] = TARGET_ENOTSOCK, 308 [EDESTADDRREQ] = TARGET_EDESTADDRREQ, 309 [EMSGSIZE] = TARGET_EMSGSIZE, 310 [EPROTOTYPE] = TARGET_EPROTOTYPE, 311 [ENOPROTOOPT] = TARGET_ENOPROTOOPT, 312 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, 313 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, 314 [EOPNOTSUPP] = TARGET_EOPNOTSUPP, 315 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, 316 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, 317 [EADDRINUSE] = TARGET_EADDRINUSE, 318 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, 319 [ENETDOWN] = TARGET_ENETDOWN, 320 [ENETUNREACH] = TARGET_ENETUNREACH, 321 [ENETRESET] = TARGET_ENETRESET, 322 [ECONNABORTED] = TARGET_ECONNABORTED, 323 [ECONNRESET] = TARGET_ECONNRESET, 324 [ENOBUFS] = TARGET_ENOBUFS, 325 [EISCONN] = TARGET_EISCONN, 326 [ENOTCONN] = TARGET_ENOTCONN, 327 [EUCLEAN] = TARGET_EUCLEAN, 328 [ENOTNAM] = TARGET_ENOTNAM, 329 [ENAVAIL] = TARGET_ENAVAIL, 330 [EISNAM] = TARGET_EISNAM, 331 [EREMOTEIO] = TARGET_EREMOTEIO, 332 [ESHUTDOWN] = TARGET_ESHUTDOWN, 333 [ETOOMANYREFS] = TARGET_ETOOMANYREFS, 334 [ETIMEDOUT] = TARGET_ETIMEDOUT, 335 [ECONNREFUSED] = TARGET_ECONNREFUSED, 336 [EHOSTDOWN] = TARGET_EHOSTDOWN, 337 [EHOSTUNREACH] = TARGET_EHOSTUNREACH, 338 [EALREADY] = TARGET_EALREADY, 339 [EINPROGRESS] = TARGET_EINPROGRESS, 340 [ESTALE] = TARGET_ESTALE, 341 [ECANCELED] = TARGET_ECANCELED, 342 [ENOMEDIUM] = TARGET_ENOMEDIUM, 343 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, 344 #ifdef ENOKEY 345 [ENOKEY] = TARGET_ENOKEY, 346 #endif 347 #ifdef EKEYEXPIRED 348 [EKEYEXPIRED] = TARGET_EKEYEXPIRED, 349 #endif 350 #ifdef EKEYREVOKED 351 [EKEYREVOKED] = TARGET_EKEYREVOKED, 352 #endif 353 #ifdef EKEYREJECTED 354 [EKEYREJECTED] = TARGET_EKEYREJECTED, 355 #endif 356 #ifdef EOWNERDEAD 357 [EOWNERDEAD] = TARGET_EOWNERDEAD, 358 #endif 359 #ifdef ENOTRECOVERABLE 360 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, 361 #endif 362 }; 363 364 static inline int host_to_target_errno(int err) 365 { 366 if(host_to_target_errno_table[err]) 367 return host_to_target_errno_table[err]; 368 return err; 369 } 370 371 static inline target_long get_errno(target_long ret) 372 { 373 if (ret == -1) 374 return -host_to_target_errno(errno); 375 else 376 return ret; 377 } 378 379 static inline int is_error(target_long ret) 380 { 381 return (target_ulong)ret >= (target_ulong)(-4096); 382 } 383 384 static target_ulong target_brk; 385 static target_ulong target_original_brk; 386 387 void target_set_brk(target_ulong new_brk) 388 { 389 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); 390 } 391 392 target_long do_brk(target_ulong new_brk) 393 { 394 target_ulong brk_page; 395 target_long mapped_addr; 396 int new_alloc_size; 397 398 if (!new_brk) 399 return target_brk; 400 if (new_brk < target_original_brk) 401 return -ENOMEM; 402 403 brk_page = HOST_PAGE_ALIGN(target_brk); 404 405 /* If the new brk is less than this, set it and we're done... */ 406 if (new_brk < brk_page) { 407 target_brk = new_brk; 408 return target_brk; 409 } 410 411 /* We need to allocate more memory after the brk... */ 412 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1); 413 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, 414 PROT_READ|PROT_WRITE, 415 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); 416 if (is_error(mapped_addr)) { 417 return mapped_addr; 418 } else { 419 target_brk = new_brk; 420 return target_brk; 421 } 422 } 423 424 static inline fd_set *target_to_host_fds(fd_set *fds, 425 target_long *target_fds, int n) 426 { 427 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 428 return (fd_set *)target_fds; 429 #else 430 int i, b; 431 if (target_fds) { 432 FD_ZERO(fds); 433 for(i = 0;i < n; i++) { 434 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> 435 (i & (TARGET_LONG_BITS - 1))) & 1; 436 if (b) 437 FD_SET(i, fds); 438 } 439 return fds; 440 } else { 441 return NULL; 442 } 443 #endif 444 } 445 446 static inline void host_to_target_fds(target_long *target_fds, 447 fd_set *fds, int n) 448 { 449 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 450 /* nothing to do */ 451 #else 452 int i, nw, j, k; 453 target_long v; 454 455 if (target_fds) { 456 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS; 457 k = 0; 458 for(i = 0;i < nw; i++) { 459 v = 0; 460 for(j = 0; j < TARGET_LONG_BITS; j++) { 461 v |= ((FD_ISSET(k, fds) != 0) << j); 462 k++; 463 } 464 target_fds[i] = tswapl(v); 465 } 466 } 467 #endif 468 } 469 470 #if defined(__alpha__) 471 #define HOST_HZ 1024 472 #else 473 #define HOST_HZ 100 474 #endif 475 476 static inline target_long host_to_target_clock_t(long ticks) 477 { 478 #if HOST_HZ == TARGET_HZ 479 return ticks; 480 #else 481 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; 482 #endif 483 } 484 485 static inline void host_to_target_rusage(target_ulong target_addr, 486 const struct rusage *rusage) 487 { 488 struct target_rusage *target_rusage; 489 490 lock_user_struct(target_rusage, target_addr, 0); 491 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); 492 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); 493 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); 494 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); 495 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); 496 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); 497 target_rusage->ru_idrss = tswapl(rusage->ru_idrss); 498 target_rusage->ru_isrss = tswapl(rusage->ru_isrss); 499 target_rusage->ru_minflt = tswapl(rusage->ru_minflt); 500 target_rusage->ru_majflt = tswapl(rusage->ru_majflt); 501 target_rusage->ru_nswap = tswapl(rusage->ru_nswap); 502 target_rusage->ru_inblock = tswapl(rusage->ru_inblock); 503 target_rusage->ru_oublock = tswapl(rusage->ru_oublock); 504 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); 505 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); 506 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); 507 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); 508 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); 509 unlock_user_struct(target_rusage, target_addr, 1); 510 } 511 512 static inline void target_to_host_timeval(struct timeval *tv, 513 target_ulong target_addr) 514 { 515 struct target_timeval *target_tv; 516 517 lock_user_struct(target_tv, target_addr, 1); 518 tv->tv_sec = tswapl(target_tv->tv_sec); 519 tv->tv_usec = tswapl(target_tv->tv_usec); 520 unlock_user_struct(target_tv, target_addr, 0); 521 } 522 523 static inline void host_to_target_timeval(target_ulong target_addr, 524 const struct timeval *tv) 525 { 526 struct target_timeval *target_tv; 527 528 lock_user_struct(target_tv, target_addr, 0); 529 target_tv->tv_sec = tswapl(tv->tv_sec); 530 target_tv->tv_usec = tswapl(tv->tv_usec); 531 unlock_user_struct(target_tv, target_addr, 1); 532 } 533 534 535 static target_long do_select(int n, 536 target_ulong rfd_p, target_ulong wfd_p, 537 target_ulong efd_p, target_ulong target_tv) 538 { 539 fd_set rfds, wfds, efds; 540 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; 541 target_long *target_rfds, *target_wfds, *target_efds; 542 struct timeval tv, *tv_ptr; 543 target_long ret; 544 int ok; 545 546 if (rfd_p) { 547 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1); 548 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); 549 } else { 550 target_rfds = NULL; 551 rfds_ptr = NULL; 552 } 553 if (wfd_p) { 554 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1); 555 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); 556 } else { 557 target_wfds = NULL; 558 wfds_ptr = NULL; 559 } 560 if (efd_p) { 561 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1); 562 efds_ptr = target_to_host_fds(&efds, target_efds, n); 563 } else { 564 target_efds = NULL; 565 efds_ptr = NULL; 566 } 567 568 if (target_tv) { 569 target_to_host_timeval(&tv, target_tv); 570 tv_ptr = &tv; 571 } else { 572 tv_ptr = NULL; 573 } 574 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); 575 ok = !is_error(ret); 576 577 if (ok) { 578 host_to_target_fds(target_rfds, rfds_ptr, n); 579 host_to_target_fds(target_wfds, wfds_ptr, n); 580 host_to_target_fds(target_efds, efds_ptr, n); 581 582 if (target_tv) { 583 host_to_target_timeval(target_tv, &tv); 584 } 585 } 586 if (target_rfds) 587 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0); 588 if (target_wfds) 589 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0); 590 if (target_efds) 591 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0); 592 593 return ret; 594 } 595 596 static inline void target_to_host_sockaddr(struct sockaddr *addr, 597 target_ulong target_addr, 598 socklen_t len) 599 { 600 struct target_sockaddr *target_saddr; 601 602 target_saddr = lock_user(target_addr, len, 1); 603 memcpy(addr, target_saddr, len); 604 addr->sa_family = tswap16(target_saddr->sa_family); 605 unlock_user(target_saddr, target_addr, 0); 606 } 607 608 static inline void host_to_target_sockaddr(target_ulong target_addr, 609 struct sockaddr *addr, 610 socklen_t len) 611 { 612 struct target_sockaddr *target_saddr; 613 614 target_saddr = lock_user(target_addr, len, 0); 615 memcpy(target_saddr, addr, len); 616 target_saddr->sa_family = tswap16(addr->sa_family); 617 unlock_user(target_saddr, target_addr, len); 618 } 619 620 /* ??? Should this also swap msgh->name? */ 621 static inline void target_to_host_cmsg(struct msghdr *msgh, 622 struct target_msghdr *target_msgh) 623 { 624 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 625 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 626 socklen_t space = 0; 627 628 while (cmsg && target_cmsg) { 629 void *data = CMSG_DATA(cmsg); 630 void *target_data = TARGET_CMSG_DATA(target_cmsg); 631 632 int len = tswapl(target_cmsg->cmsg_len) 633 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); 634 635 space += CMSG_SPACE(len); 636 if (space > msgh->msg_controllen) { 637 space -= CMSG_SPACE(len); 638 gemu_log("Host cmsg overflow\n"); 639 break; 640 } 641 642 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); 643 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); 644 cmsg->cmsg_len = CMSG_LEN(len); 645 646 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 647 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 648 memcpy(data, target_data, len); 649 } else { 650 int *fd = (int *)data; 651 int *target_fd = (int *)target_data; 652 int i, numfds = len / sizeof(int); 653 654 for (i = 0; i < numfds; i++) 655 fd[i] = tswap32(target_fd[i]); 656 } 657 658 cmsg = CMSG_NXTHDR(msgh, cmsg); 659 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 660 } 661 662 msgh->msg_controllen = space; 663 } 664 665 /* ??? Should this also swap msgh->name? */ 666 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh, 667 struct msghdr *msgh) 668 { 669 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 670 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 671 socklen_t space = 0; 672 673 while (cmsg && target_cmsg) { 674 void *data = CMSG_DATA(cmsg); 675 void *target_data = TARGET_CMSG_DATA(target_cmsg); 676 677 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); 678 679 space += TARGET_CMSG_SPACE(len); 680 if (space > tswapl(target_msgh->msg_controllen)) { 681 space -= TARGET_CMSG_SPACE(len); 682 gemu_log("Target cmsg overflow\n"); 683 break; 684 } 685 686 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); 687 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); 688 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); 689 690 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 691 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 692 memcpy(target_data, data, len); 693 } else { 694 int *fd = (int *)data; 695 int *target_fd = (int *)target_data; 696 int i, numfds = len / sizeof(int); 697 698 for (i = 0; i < numfds; i++) 699 target_fd[i] = tswap32(fd[i]); 700 } 701 702 cmsg = CMSG_NXTHDR(msgh, cmsg); 703 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 704 } 705 706 msgh->msg_controllen = tswapl(space); 707 } 708 709 static target_long do_setsockopt(int sockfd, int level, int optname, 710 target_ulong optval, socklen_t optlen) 711 { 712 target_long ret; 713 int val; 714 715 switch(level) { 716 case SOL_TCP: 717 /* TCP options all take an 'int' value. */ 718 if (optlen < sizeof(uint32_t)) 719 return -EINVAL; 720 721 val = tget32(optval); 722 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 723 break; 724 case SOL_IP: 725 switch(optname) { 726 case IP_TOS: 727 case IP_TTL: 728 case IP_HDRINCL: 729 case IP_ROUTER_ALERT: 730 case IP_RECVOPTS: 731 case IP_RETOPTS: 732 case IP_PKTINFO: 733 case IP_MTU_DISCOVER: 734 case IP_RECVERR: 735 case IP_RECVTOS: 736 #ifdef IP_FREEBIND 737 case IP_FREEBIND: 738 #endif 739 case IP_MULTICAST_TTL: 740 case IP_MULTICAST_LOOP: 741 val = 0; 742 if (optlen >= sizeof(uint32_t)) { 743 val = tget32(optval); 744 } else if (optlen >= 1) { 745 val = tget8(optval); 746 } 747 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 748 break; 749 default: 750 goto unimplemented; 751 } 752 break; 753 case TARGET_SOL_SOCKET: 754 switch (optname) { 755 /* Options with 'int' argument. */ 756 case TARGET_SO_DEBUG: 757 optname = SO_DEBUG; 758 break; 759 case TARGET_SO_REUSEADDR: 760 optname = SO_REUSEADDR; 761 break; 762 case TARGET_SO_TYPE: 763 optname = SO_TYPE; 764 break; 765 case TARGET_SO_ERROR: 766 optname = SO_ERROR; 767 break; 768 case TARGET_SO_DONTROUTE: 769 optname = SO_DONTROUTE; 770 break; 771 case TARGET_SO_BROADCAST: 772 optname = SO_BROADCAST; 773 break; 774 case TARGET_SO_SNDBUF: 775 optname = SO_SNDBUF; 776 break; 777 case TARGET_SO_RCVBUF: 778 optname = SO_RCVBUF; 779 break; 780 case TARGET_SO_KEEPALIVE: 781 optname = SO_KEEPALIVE; 782 break; 783 case TARGET_SO_OOBINLINE: 784 optname = SO_OOBINLINE; 785 break; 786 case TARGET_SO_NO_CHECK: 787 optname = SO_NO_CHECK; 788 break; 789 case TARGET_SO_PRIORITY: 790 optname = SO_PRIORITY; 791 break; 792 #ifdef SO_BSDCOMPAT 793 case TARGET_SO_BSDCOMPAT: 794 optname = SO_BSDCOMPAT; 795 break; 796 #endif 797 case TARGET_SO_PASSCRED: 798 optname = SO_PASSCRED; 799 break; 800 case TARGET_SO_TIMESTAMP: 801 optname = SO_TIMESTAMP; 802 break; 803 case TARGET_SO_RCVLOWAT: 804 optname = SO_RCVLOWAT; 805 break; 806 case TARGET_SO_RCVTIMEO: 807 optname = SO_RCVTIMEO; 808 break; 809 case TARGET_SO_SNDTIMEO: 810 optname = SO_SNDTIMEO; 811 break; 812 break; 813 default: 814 goto unimplemented; 815 } 816 if (optlen < sizeof(uint32_t)) 817 return -EINVAL; 818 819 val = tget32(optval); 820 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); 821 break; 822 default: 823 unimplemented: 824 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); 825 ret = -ENOSYS; 826 } 827 return ret; 828 } 829 830 static target_long do_getsockopt(int sockfd, int level, int optname, 831 target_ulong optval, target_ulong optlen) 832 { 833 target_long ret; 834 int len, lv, val; 835 836 switch(level) { 837 case TARGET_SOL_SOCKET: 838 level = SOL_SOCKET; 839 switch (optname) { 840 case TARGET_SO_LINGER: 841 case TARGET_SO_RCVTIMEO: 842 case TARGET_SO_SNDTIMEO: 843 case TARGET_SO_PEERCRED: 844 case TARGET_SO_PEERNAME: 845 /* These don't just return a single integer */ 846 goto unimplemented; 847 default: 848 goto int_case; 849 } 850 break; 851 case SOL_TCP: 852 /* TCP options all take an 'int' value. */ 853 int_case: 854 len = tget32(optlen); 855 if (len < 0) 856 return -EINVAL; 857 lv = sizeof(int); 858 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 859 if (ret < 0) 860 return ret; 861 val = tswap32(val); 862 if (len > lv) 863 len = lv; 864 if (len == 4) 865 tput32(optval, val); 866 else 867 tput8(optval, val); 868 tput32(optlen, len); 869 break; 870 case SOL_IP: 871 switch(optname) { 872 case IP_TOS: 873 case IP_TTL: 874 case IP_HDRINCL: 875 case IP_ROUTER_ALERT: 876 case IP_RECVOPTS: 877 case IP_RETOPTS: 878 case IP_PKTINFO: 879 case IP_MTU_DISCOVER: 880 case IP_RECVERR: 881 case IP_RECVTOS: 882 #ifdef IP_FREEBIND 883 case IP_FREEBIND: 884 #endif 885 case IP_MULTICAST_TTL: 886 case IP_MULTICAST_LOOP: 887 len = tget32(optlen); 888 if (len < 0) 889 return -EINVAL; 890 lv = sizeof(int); 891 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 892 if (ret < 0) 893 return ret; 894 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { 895 len = 1; 896 tput32(optlen, len); 897 tput8(optval, val); 898 } else { 899 if (len > sizeof(int)) 900 len = sizeof(int); 901 tput32(optlen, len); 902 tput32(optval, val); 903 } 904 break; 905 default: 906 goto unimplemented; 907 } 908 break; 909 default: 910 unimplemented: 911 gemu_log("getsockopt level=%d optname=%d not yet supported\n", 912 level, optname); 913 ret = -ENOSYS; 914 break; 915 } 916 return ret; 917 } 918 919 static void lock_iovec(struct iovec *vec, target_ulong target_addr, 920 int count, int copy) 921 { 922 struct target_iovec *target_vec; 923 target_ulong base; 924 int i; 925 926 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1); 927 for(i = 0;i < count; i++) { 928 base = tswapl(target_vec[i].iov_base); 929 vec[i].iov_len = tswapl(target_vec[i].iov_len); 930 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy); 931 } 932 unlock_user (target_vec, target_addr, 0); 933 } 934 935 static void unlock_iovec(struct iovec *vec, target_ulong target_addr, 936 int count, int copy) 937 { 938 struct target_iovec *target_vec; 939 target_ulong base; 940 int i; 941 942 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1); 943 for(i = 0;i < count; i++) { 944 base = tswapl(target_vec[i].iov_base); 945 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); 946 } 947 unlock_user (target_vec, target_addr, 0); 948 } 949 950 static target_long do_socket(int domain, int type, int protocol) 951 { 952 #if defined(TARGET_MIPS) 953 switch(type) { 954 case TARGET_SOCK_DGRAM: 955 type = SOCK_DGRAM; 956 break; 957 case TARGET_SOCK_STREAM: 958 type = SOCK_STREAM; 959 break; 960 case TARGET_SOCK_RAW: 961 type = SOCK_RAW; 962 break; 963 case TARGET_SOCK_RDM: 964 type = SOCK_RDM; 965 break; 966 case TARGET_SOCK_SEQPACKET: 967 type = SOCK_SEQPACKET; 968 break; 969 case TARGET_SOCK_PACKET: 970 type = SOCK_PACKET; 971 break; 972 } 973 #endif 974 return get_errno(socket(domain, type, protocol)); 975 } 976 977 static target_long do_bind(int sockfd, target_ulong target_addr, 978 socklen_t addrlen) 979 { 980 void *addr = alloca(addrlen); 981 982 target_to_host_sockaddr(addr, target_addr, addrlen); 983 return get_errno(bind(sockfd, addr, addrlen)); 984 } 985 986 static target_long do_connect(int sockfd, target_ulong target_addr, 987 socklen_t addrlen) 988 { 989 void *addr = alloca(addrlen); 990 991 target_to_host_sockaddr(addr, target_addr, addrlen); 992 return get_errno(connect(sockfd, addr, addrlen)); 993 } 994 995 static target_long do_sendrecvmsg(int fd, target_ulong target_msg, 996 int flags, int send) 997 { 998 target_long ret; 999 struct target_msghdr *msgp; 1000 struct msghdr msg; 1001 int count; 1002 struct iovec *vec; 1003 target_ulong target_vec; 1004 1005 lock_user_struct(msgp, target_msg, 1); 1006 if (msgp->msg_name) { 1007 msg.msg_namelen = tswap32(msgp->msg_namelen); 1008 msg.msg_name = alloca(msg.msg_namelen); 1009 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name), 1010 msg.msg_namelen); 1011 } else { 1012 msg.msg_name = NULL; 1013 msg.msg_namelen = 0; 1014 } 1015 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); 1016 msg.msg_control = alloca(msg.msg_controllen); 1017 msg.msg_flags = tswap32(msgp->msg_flags); 1018 1019 count = tswapl(msgp->msg_iovlen); 1020 vec = alloca(count * sizeof(struct iovec)); 1021 target_vec = tswapl(msgp->msg_iov); 1022 lock_iovec(vec, target_vec, count, send); 1023 msg.msg_iovlen = count; 1024 msg.msg_iov = vec; 1025 1026 if (send) { 1027 target_to_host_cmsg(&msg, msgp); 1028 ret = get_errno(sendmsg(fd, &msg, flags)); 1029 } else { 1030 ret = get_errno(recvmsg(fd, &msg, flags)); 1031 if (!is_error(ret)) 1032 host_to_target_cmsg(msgp, &msg); 1033 } 1034 unlock_iovec(vec, target_vec, count, !send); 1035 return ret; 1036 } 1037 1038 static target_long do_accept(int fd, target_ulong target_addr, 1039 target_ulong target_addrlen) 1040 { 1041 socklen_t addrlen = tget32(target_addrlen); 1042 void *addr = alloca(addrlen); 1043 target_long ret; 1044 1045 ret = get_errno(accept(fd, addr, &addrlen)); 1046 if (!is_error(ret)) { 1047 host_to_target_sockaddr(target_addr, addr, addrlen); 1048 tput32(target_addrlen, addrlen); 1049 } 1050 return ret; 1051 } 1052 1053 static target_long do_getpeername(int fd, target_ulong target_addr, 1054 target_ulong target_addrlen) 1055 { 1056 socklen_t addrlen = tget32(target_addrlen); 1057 void *addr = alloca(addrlen); 1058 target_long ret; 1059 1060 ret = get_errno(getpeername(fd, addr, &addrlen)); 1061 if (!is_error(ret)) { 1062 host_to_target_sockaddr(target_addr, addr, addrlen); 1063 tput32(target_addrlen, addrlen); 1064 } 1065 return ret; 1066 } 1067 1068 static target_long do_getsockname(int fd, target_ulong target_addr, 1069 target_ulong target_addrlen) 1070 { 1071 socklen_t addrlen = tget32(target_addrlen); 1072 void *addr = alloca(addrlen); 1073 target_long ret; 1074 1075 ret = get_errno(getsockname(fd, addr, &addrlen)); 1076 if (!is_error(ret)) { 1077 host_to_target_sockaddr(target_addr, addr, addrlen); 1078 tput32(target_addrlen, addrlen); 1079 } 1080 return ret; 1081 } 1082 1083 static target_long do_socketpair(int domain, int type, int protocol, 1084 target_ulong target_tab) 1085 { 1086 int tab[2]; 1087 target_long ret; 1088 1089 ret = get_errno(socketpair(domain, type, protocol, tab)); 1090 if (!is_error(ret)) { 1091 tput32(target_tab, tab[0]); 1092 tput32(target_tab + 4, tab[1]); 1093 } 1094 return ret; 1095 } 1096 1097 static target_long do_sendto(int fd, target_ulong msg, size_t len, int flags, 1098 target_ulong target_addr, socklen_t addrlen) 1099 { 1100 void *addr; 1101 void *host_msg; 1102 target_long ret; 1103 1104 host_msg = lock_user(msg, len, 1); 1105 if (target_addr) { 1106 addr = alloca(addrlen); 1107 target_to_host_sockaddr(addr, target_addr, addrlen); 1108 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); 1109 } else { 1110 ret = get_errno(send(fd, host_msg, len, flags)); 1111 } 1112 unlock_user(host_msg, msg, 0); 1113 return ret; 1114 } 1115 1116 static target_long do_recvfrom(int fd, target_ulong msg, size_t len, int flags, 1117 target_ulong target_addr, 1118 target_ulong target_addrlen) 1119 { 1120 socklen_t addrlen; 1121 void *addr; 1122 void *host_msg; 1123 target_long ret; 1124 1125 host_msg = lock_user(msg, len, 0); 1126 if (target_addr) { 1127 addrlen = tget32(target_addrlen); 1128 addr = alloca(addrlen); 1129 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); 1130 } else { 1131 addr = NULL; /* To keep compiler quiet. */ 1132 ret = get_errno(recv(fd, host_msg, len, flags)); 1133 } 1134 if (!is_error(ret)) { 1135 if (target_addr) { 1136 host_to_target_sockaddr(target_addr, addr, addrlen); 1137 tput32(target_addrlen, addrlen); 1138 } 1139 unlock_user(host_msg, msg, len); 1140 } else { 1141 unlock_user(host_msg, msg, 0); 1142 } 1143 return ret; 1144 } 1145 1146 #ifdef TARGET_NR_socketcall 1147 static target_long do_socketcall(int num, target_ulong vptr) 1148 { 1149 target_long ret; 1150 const int n = sizeof(target_ulong); 1151 1152 switch(num) { 1153 case SOCKOP_socket: 1154 { 1155 int domain = tgetl(vptr); 1156 int type = tgetl(vptr + n); 1157 int protocol = tgetl(vptr + 2 * n); 1158 ret = do_socket(domain, type, protocol); 1159 } 1160 break; 1161 case SOCKOP_bind: 1162 { 1163 int sockfd = tgetl(vptr); 1164 target_ulong target_addr = tgetl(vptr + n); 1165 socklen_t addrlen = tgetl(vptr + 2 * n); 1166 ret = do_bind(sockfd, target_addr, addrlen); 1167 } 1168 break; 1169 case SOCKOP_connect: 1170 { 1171 int sockfd = tgetl(vptr); 1172 target_ulong target_addr = tgetl(vptr + n); 1173 socklen_t addrlen = tgetl(vptr + 2 * n); 1174 ret = do_connect(sockfd, target_addr, addrlen); 1175 } 1176 break; 1177 case SOCKOP_listen: 1178 { 1179 int sockfd = tgetl(vptr); 1180 int backlog = tgetl(vptr + n); 1181 ret = get_errno(listen(sockfd, backlog)); 1182 } 1183 break; 1184 case SOCKOP_accept: 1185 { 1186 int sockfd = tgetl(vptr); 1187 target_ulong target_addr = tgetl(vptr + n); 1188 target_ulong target_addrlen = tgetl(vptr + 2 * n); 1189 ret = do_accept(sockfd, target_addr, target_addrlen); 1190 } 1191 break; 1192 case SOCKOP_getsockname: 1193 { 1194 int sockfd = tgetl(vptr); 1195 target_ulong target_addr = tgetl(vptr + n); 1196 target_ulong target_addrlen = tgetl(vptr + 2 * n); 1197 ret = do_getsockname(sockfd, target_addr, target_addrlen); 1198 } 1199 break; 1200 case SOCKOP_getpeername: 1201 { 1202 int sockfd = tgetl(vptr); 1203 target_ulong target_addr = tgetl(vptr + n); 1204 target_ulong target_addrlen = tgetl(vptr + 2 * n); 1205 ret = do_getpeername(sockfd, target_addr, target_addrlen); 1206 } 1207 break; 1208 case SOCKOP_socketpair: 1209 { 1210 int domain = tgetl(vptr); 1211 int type = tgetl(vptr + n); 1212 int protocol = tgetl(vptr + 2 * n); 1213 target_ulong tab = tgetl(vptr + 3 * n); 1214 ret = do_socketpair(domain, type, protocol, tab); 1215 } 1216 break; 1217 case SOCKOP_send: 1218 { 1219 int sockfd = tgetl(vptr); 1220 target_ulong msg = tgetl(vptr + n); 1221 size_t len = tgetl(vptr + 2 * n); 1222 int flags = tgetl(vptr + 3 * n); 1223 ret = do_sendto(sockfd, msg, len, flags, 0, 0); 1224 } 1225 break; 1226 case SOCKOP_recv: 1227 { 1228 int sockfd = tgetl(vptr); 1229 target_ulong msg = tgetl(vptr + n); 1230 size_t len = tgetl(vptr + 2 * n); 1231 int flags = tgetl(vptr + 3 * n); 1232 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); 1233 } 1234 break; 1235 case SOCKOP_sendto: 1236 { 1237 int sockfd = tgetl(vptr); 1238 target_ulong msg = tgetl(vptr + n); 1239 size_t len = tgetl(vptr + 2 * n); 1240 int flags = tgetl(vptr + 3 * n); 1241 target_ulong addr = tgetl(vptr + 4 * n); 1242 socklen_t addrlen = tgetl(vptr + 5 * n); 1243 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); 1244 } 1245 break; 1246 case SOCKOP_recvfrom: 1247 { 1248 int sockfd = tgetl(vptr); 1249 target_ulong msg = tgetl(vptr + n); 1250 size_t len = tgetl(vptr + 2 * n); 1251 int flags = tgetl(vptr + 3 * n); 1252 target_ulong addr = tgetl(vptr + 4 * n); 1253 target_ulong addrlen = tgetl(vptr + 5 * n); 1254 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); 1255 } 1256 break; 1257 case SOCKOP_shutdown: 1258 { 1259 int sockfd = tgetl(vptr); 1260 int how = tgetl(vptr + n); 1261 1262 ret = get_errno(shutdown(sockfd, how)); 1263 } 1264 break; 1265 case SOCKOP_sendmsg: 1266 case SOCKOP_recvmsg: 1267 { 1268 int fd; 1269 target_ulong target_msg; 1270 int flags; 1271 1272 fd = tgetl(vptr); 1273 target_msg = tgetl(vptr + n); 1274 flags = tgetl(vptr + 2 * n); 1275 1276 ret = do_sendrecvmsg(fd, target_msg, flags, 1277 (num == SOCKOP_sendmsg)); 1278 } 1279 break; 1280 case SOCKOP_setsockopt: 1281 { 1282 int sockfd = tgetl(vptr); 1283 int level = tgetl(vptr + n); 1284 int optname = tgetl(vptr + 2 * n); 1285 target_ulong optval = tgetl(vptr + 3 * n); 1286 socklen_t optlen = tgetl(vptr + 4 * n); 1287 1288 ret = do_setsockopt(sockfd, level, optname, optval, optlen); 1289 } 1290 break; 1291 case SOCKOP_getsockopt: 1292 { 1293 int sockfd = tgetl(vptr); 1294 int level = tgetl(vptr + n); 1295 int optname = tgetl(vptr + 2 * n); 1296 target_ulong optval = tgetl(vptr + 3 * n); 1297 target_ulong poptlen = tgetl(vptr + 4 * n); 1298 1299 ret = do_getsockopt(sockfd, level, optname, optval, poptlen); 1300 } 1301 break; 1302 default: 1303 gemu_log("Unsupported socketcall: %d\n", num); 1304 ret = -ENOSYS; 1305 break; 1306 } 1307 return ret; 1308 } 1309 #endif 1310 1311 #ifdef TARGET_NR_ipc 1312 #define N_SHM_REGIONS 32 1313 1314 static struct shm_region { 1315 uint32_t start; 1316 uint32_t size; 1317 } shm_regions[N_SHM_REGIONS]; 1318 1319 struct target_ipc_perm 1320 { 1321 target_long __key; 1322 target_ulong uid; 1323 target_ulong gid; 1324 target_ulong cuid; 1325 target_ulong cgid; 1326 unsigned short int mode; 1327 unsigned short int __pad1; 1328 unsigned short int __seq; 1329 unsigned short int __pad2; 1330 target_ulong __unused1; 1331 target_ulong __unused2; 1332 }; 1333 1334 struct target_semid_ds 1335 { 1336 struct target_ipc_perm sem_perm; 1337 target_ulong sem_otime; 1338 target_ulong __unused1; 1339 target_ulong sem_ctime; 1340 target_ulong __unused2; 1341 target_ulong sem_nsems; 1342 target_ulong __unused3; 1343 target_ulong __unused4; 1344 }; 1345 1346 static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip, 1347 target_ulong target_addr) 1348 { 1349 struct target_ipc_perm *target_ip; 1350 struct target_semid_ds *target_sd; 1351 1352 lock_user_struct(target_sd, target_addr, 1); 1353 target_ip=&(target_sd->sem_perm); 1354 host_ip->__key = tswapl(target_ip->__key); 1355 host_ip->uid = tswapl(target_ip->uid); 1356 host_ip->gid = tswapl(target_ip->gid); 1357 host_ip->cuid = tswapl(target_ip->cuid); 1358 host_ip->cgid = tswapl(target_ip->cgid); 1359 host_ip->mode = tswapl(target_ip->mode); 1360 unlock_user_struct(target_sd, target_addr, 0); 1361 } 1362 1363 static inline void host_to_target_ipc_perm(target_ulong target_addr, 1364 struct ipc_perm *host_ip) 1365 { 1366 struct target_ipc_perm *target_ip; 1367 struct target_semid_ds *target_sd; 1368 1369 lock_user_struct(target_sd, target_addr, 0); 1370 target_ip = &(target_sd->sem_perm); 1371 target_ip->__key = tswapl(host_ip->__key); 1372 target_ip->uid = tswapl(host_ip->uid); 1373 target_ip->gid = tswapl(host_ip->gid); 1374 target_ip->cuid = tswapl(host_ip->cuid); 1375 target_ip->cgid = tswapl(host_ip->cgid); 1376 target_ip->mode = tswapl(host_ip->mode); 1377 unlock_user_struct(target_sd, target_addr, 1); 1378 } 1379 1380 static inline void target_to_host_semid_ds(struct semid_ds *host_sd, 1381 target_ulong target_addr) 1382 { 1383 struct target_semid_ds *target_sd; 1384 1385 lock_user_struct(target_sd, target_addr, 1); 1386 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr); 1387 host_sd->sem_nsems = tswapl(target_sd->sem_nsems); 1388 host_sd->sem_otime = tswapl(target_sd->sem_otime); 1389 host_sd->sem_ctime = tswapl(target_sd->sem_ctime); 1390 unlock_user_struct(target_sd, target_addr, 0); 1391 } 1392 1393 static inline void host_to_target_semid_ds(target_ulong target_addr, 1394 struct semid_ds *host_sd) 1395 { 1396 struct target_semid_ds *target_sd; 1397 1398 lock_user_struct(target_sd, target_addr, 0); 1399 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)); 1400 target_sd->sem_nsems = tswapl(host_sd->sem_nsems); 1401 target_sd->sem_otime = tswapl(host_sd->sem_otime); 1402 target_sd->sem_ctime = tswapl(host_sd->sem_ctime); 1403 unlock_user_struct(target_sd, target_addr, 1); 1404 } 1405 1406 union semun { 1407 int val; 1408 struct semid_ds *buf; 1409 unsigned short *array; 1410 }; 1411 1412 union target_semun { 1413 int val; 1414 target_long buf; 1415 unsigned short int *array; 1416 }; 1417 1418 static inline void target_to_host_semun(int cmd, 1419 union semun *host_su, 1420 target_ulong target_addr, 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, 1); 1429 target_to_host_semid_ds(ds,target_su->buf); 1430 host_su->buf = ds; 1431 unlock_user_struct(target_su, target_addr, 0); 1432 break; 1433 case GETVAL: 1434 case SETVAL: 1435 lock_user_struct(target_su, target_addr, 1); 1436 host_su->val = tswapl(target_su->val); 1437 unlock_user_struct(target_su, target_addr, 0); 1438 break; 1439 case GETALL: 1440 case SETALL: 1441 lock_user_struct(target_su, target_addr, 1); 1442 *host_su->array = tswap16(*target_su->array); 1443 unlock_user_struct(target_su, target_addr, 0); 1444 break; 1445 default: 1446 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1447 } 1448 } 1449 1450 static inline void host_to_target_semun(int cmd, 1451 target_ulong target_addr, 1452 union semun *host_su, 1453 struct semid_ds *ds) 1454 { 1455 union target_semun *target_su; 1456 1457 switch( cmd ) { 1458 case IPC_STAT: 1459 case IPC_SET: 1460 lock_user_struct(target_su, target_addr, 0); 1461 host_to_target_semid_ds(target_su->buf,ds); 1462 unlock_user_struct(target_su, target_addr, 1); 1463 break; 1464 case GETVAL: 1465 case SETVAL: 1466 lock_user_struct(target_su, target_addr, 0); 1467 target_su->val = tswapl(host_su->val); 1468 unlock_user_struct(target_su, target_addr, 1); 1469 break; 1470 case GETALL: 1471 case SETALL: 1472 lock_user_struct(target_su, target_addr, 0); 1473 *target_su->array = tswap16(*host_su->array); 1474 unlock_user_struct(target_su, target_addr, 1); 1475 break; 1476 default: 1477 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1478 } 1479 } 1480 1481 static inline target_long do_semctl(int first, int second, int third, 1482 target_long ptr) 1483 { 1484 union semun arg; 1485 struct semid_ds dsarg; 1486 int cmd = third&0xff; 1487 target_long ret = 0; 1488 1489 switch( cmd ) { 1490 case GETVAL: 1491 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1492 ret = get_errno(semctl(first, second, cmd, arg)); 1493 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1494 break; 1495 case SETVAL: 1496 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1497 ret = get_errno(semctl(first, second, cmd, arg)); 1498 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1499 break; 1500 case GETALL: 1501 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1502 ret = get_errno(semctl(first, second, cmd, arg)); 1503 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1504 break; 1505 case SETALL: 1506 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1507 ret = get_errno(semctl(first, second, cmd, arg)); 1508 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1509 break; 1510 case IPC_STAT: 1511 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1512 ret = get_errno(semctl(first, second, cmd, arg)); 1513 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1514 break; 1515 case IPC_SET: 1516 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1517 ret = get_errno(semctl(first, second, cmd, arg)); 1518 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1519 break; 1520 default: 1521 ret = get_errno(semctl(first, second, cmd, arg)); 1522 } 1523 1524 return ret; 1525 } 1526 1527 struct target_msqid_ds 1528 { 1529 struct target_ipc_perm msg_perm; 1530 target_ulong msg_stime; 1531 target_ulong __unused1; 1532 target_ulong msg_rtime; 1533 target_ulong __unused2; 1534 target_ulong msg_ctime; 1535 target_ulong __unused3; 1536 target_ulong __msg_cbytes; 1537 target_ulong msg_qnum; 1538 target_ulong msg_qbytes; 1539 target_ulong msg_lspid; 1540 target_ulong msg_lrpid; 1541 target_ulong __unused4; 1542 target_ulong __unused5; 1543 }; 1544 1545 static inline void target_to_host_msqid_ds(struct msqid_ds *host_md, 1546 target_ulong target_addr) 1547 { 1548 struct target_msqid_ds *target_md; 1549 1550 lock_user_struct(target_md, target_addr, 1); 1551 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr); 1552 host_md->msg_stime = tswapl(target_md->msg_stime); 1553 host_md->msg_rtime = tswapl(target_md->msg_rtime); 1554 host_md->msg_ctime = tswapl(target_md->msg_ctime); 1555 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes); 1556 host_md->msg_qnum = tswapl(target_md->msg_qnum); 1557 host_md->msg_qbytes = tswapl(target_md->msg_qbytes); 1558 host_md->msg_lspid = tswapl(target_md->msg_lspid); 1559 host_md->msg_lrpid = tswapl(target_md->msg_lrpid); 1560 unlock_user_struct(target_md, target_addr, 0); 1561 } 1562 1563 static inline void host_to_target_msqid_ds(target_ulong target_addr, 1564 struct msqid_ds *host_md) 1565 { 1566 struct target_msqid_ds *target_md; 1567 1568 lock_user_struct(target_md, target_addr, 0); 1569 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)); 1570 target_md->msg_stime = tswapl(host_md->msg_stime); 1571 target_md->msg_rtime = tswapl(host_md->msg_rtime); 1572 target_md->msg_ctime = tswapl(host_md->msg_ctime); 1573 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes); 1574 target_md->msg_qnum = tswapl(host_md->msg_qnum); 1575 target_md->msg_qbytes = tswapl(host_md->msg_qbytes); 1576 target_md->msg_lspid = tswapl(host_md->msg_lspid); 1577 target_md->msg_lrpid = tswapl(host_md->msg_lrpid); 1578 unlock_user_struct(target_md, target_addr, 1); 1579 } 1580 1581 static inline target_long do_msgctl(int first, int second, target_long ptr) 1582 { 1583 struct msqid_ds dsarg; 1584 int cmd = second&0xff; 1585 target_long ret = 0; 1586 switch( cmd ) { 1587 case IPC_STAT: 1588 case IPC_SET: 1589 target_to_host_msqid_ds(&dsarg,ptr); 1590 ret = get_errno(msgctl(first, cmd, &dsarg)); 1591 host_to_target_msqid_ds(ptr,&dsarg); 1592 default: 1593 ret = get_errno(msgctl(first, cmd, &dsarg)); 1594 } 1595 return ret; 1596 } 1597 1598 struct target_msgbuf { 1599 target_ulong mtype; 1600 char mtext[1]; 1601 }; 1602 1603 static inline target_long do_msgsnd(int msqid, target_long msgp, 1604 unsigned int msgsz, int msgflg) 1605 { 1606 struct target_msgbuf *target_mb; 1607 struct msgbuf *host_mb; 1608 target_long ret = 0; 1609 1610 lock_user_struct(target_mb,msgp,0); 1611 host_mb = malloc(msgsz+sizeof(long)); 1612 host_mb->mtype = tswapl(target_mb->mtype); 1613 memcpy(host_mb->mtext,target_mb->mtext,msgsz); 1614 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); 1615 free(host_mb); 1616 unlock_user_struct(target_mb, msgp, 0); 1617 1618 return ret; 1619 } 1620 1621 static inline target_long do_msgrcv(int msqid, target_long msgp, 1622 unsigned int msgsz, int msgtype, 1623 int msgflg) 1624 { 1625 struct target_msgbuf *target_mb; 1626 struct msgbuf *host_mb; 1627 target_long ret = 0; 1628 1629 lock_user_struct(target_mb, msgp, 0); 1630 host_mb = malloc(msgsz+sizeof(long)); 1631 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg)); 1632 if (ret > 0) 1633 memcpy(target_mb->mtext, host_mb->mtext, ret); 1634 target_mb->mtype = tswapl(host_mb->mtype); 1635 free(host_mb); 1636 unlock_user_struct(target_mb, msgp, 0); 1637 1638 return ret; 1639 } 1640 1641 /* ??? This only works with linear mappings. */ 1642 static target_long do_ipc(unsigned int call, int first, 1643 int second, int third, 1644 target_long ptr, target_long fifth) 1645 { 1646 int version; 1647 target_long ret = 0; 1648 unsigned long raddr; 1649 struct shmid_ds shm_info; 1650 int i; 1651 1652 version = call >> 16; 1653 call &= 0xffff; 1654 1655 switch (call) { 1656 case IPCOP_semop: 1657 ret = get_errno(semop(first,(struct sembuf *) ptr, second)); 1658 break; 1659 1660 case IPCOP_semget: 1661 ret = get_errno(semget(first, second, third)); 1662 break; 1663 1664 case IPCOP_semctl: 1665 ret = do_semctl(first, second, third, ptr); 1666 break; 1667 1668 case IPCOP_semtimedop: 1669 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); 1670 ret = -ENOSYS; 1671 break; 1672 1673 case IPCOP_msgget: 1674 ret = get_errno(msgget(first, second)); 1675 break; 1676 1677 case IPCOP_msgsnd: 1678 ret = do_msgsnd(first, ptr, second, third); 1679 break; 1680 1681 case IPCOP_msgctl: 1682 ret = do_msgctl(first, second, ptr); 1683 break; 1684 1685 case IPCOP_msgrcv: 1686 { 1687 struct ipc_kludge 1688 { 1689 void *__unbounded msgp; 1690 long int msgtyp; 1691 }; 1692 1693 struct ipc_kludge *foo = (struct ipc_kludge *) ptr; 1694 struct msgbuf *msgp = (struct msgbuf *) foo->msgp; 1695 1696 ret = do_msgrcv(first, (long)msgp, second, 0, third); 1697 1698 } 1699 break; 1700 1701 case IPCOP_shmat: 1702 /* SHM_* flags are the same on all linux platforms */ 1703 ret = get_errno((long) shmat(first, (void *) ptr, second)); 1704 if (is_error(ret)) 1705 break; 1706 raddr = ret; 1707 /* find out the length of the shared memory segment */ 1708 1709 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 1710 if (is_error(ret)) { 1711 /* can't get length, bail out */ 1712 shmdt((void *) raddr); 1713 break; 1714 } 1715 page_set_flags(raddr, raddr + shm_info.shm_segsz, 1716 PAGE_VALID | PAGE_READ | 1717 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 1718 for (i = 0; i < N_SHM_REGIONS; ++i) { 1719 if (shm_regions[i].start == 0) { 1720 shm_regions[i].start = raddr; 1721 shm_regions[i].size = shm_info.shm_segsz; 1722 break; 1723 } 1724 } 1725 if (put_user(raddr, (target_ulong *)third)) 1726 return -EFAULT; 1727 ret = 0; 1728 break; 1729 case IPCOP_shmdt: 1730 for (i = 0; i < N_SHM_REGIONS; ++i) { 1731 if (shm_regions[i].start == ptr) { 1732 shm_regions[i].start = 0; 1733 page_set_flags(ptr, shm_regions[i].size, 0); 1734 break; 1735 } 1736 } 1737 ret = get_errno(shmdt((void *) ptr)); 1738 break; 1739 1740 case IPCOP_shmget: 1741 /* IPC_* flag values are the same on all linux platforms */ 1742 ret = get_errno(shmget(first, second, third)); 1743 break; 1744 1745 /* IPC_* and SHM_* command values are the same on all linux platforms */ 1746 case IPCOP_shmctl: 1747 switch(second) { 1748 case IPC_RMID: 1749 case SHM_LOCK: 1750 case SHM_UNLOCK: 1751 ret = get_errno(shmctl(first, second, NULL)); 1752 break; 1753 default: 1754 goto unimplemented; 1755 } 1756 break; 1757 default: 1758 unimplemented: 1759 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); 1760 ret = -ENOSYS; 1761 break; 1762 } 1763 return ret; 1764 } 1765 #endif 1766 1767 /* kernel structure types definitions */ 1768 #define IFNAMSIZ 16 1769 1770 #define STRUCT(name, list...) STRUCT_ ## name, 1771 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 1772 enum { 1773 #include "syscall_types.h" 1774 }; 1775 #undef STRUCT 1776 #undef STRUCT_SPECIAL 1777 1778 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 1779 #define STRUCT_SPECIAL(name) 1780 #include "syscall_types.h" 1781 #undef STRUCT 1782 #undef STRUCT_SPECIAL 1783 1784 typedef struct IOCTLEntry { 1785 unsigned int target_cmd; 1786 unsigned int host_cmd; 1787 const char *name; 1788 int access; 1789 const argtype arg_type[5]; 1790 } IOCTLEntry; 1791 1792 #define IOC_R 0x0001 1793 #define IOC_W 0x0002 1794 #define IOC_RW (IOC_R | IOC_W) 1795 1796 #define MAX_STRUCT_SIZE 4096 1797 1798 IOCTLEntry ioctl_entries[] = { 1799 #define IOCTL(cmd, access, types...) \ 1800 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 1801 #include "ioctls.h" 1802 { 0, 0, }, 1803 }; 1804 1805 /* ??? Implement proper locking for ioctls. */ 1806 static target_long do_ioctl(int fd, target_long cmd, target_long arg) 1807 { 1808 const IOCTLEntry *ie; 1809 const argtype *arg_type; 1810 target_long ret; 1811 uint8_t buf_temp[MAX_STRUCT_SIZE]; 1812 int target_size; 1813 void *argptr; 1814 1815 ie = ioctl_entries; 1816 for(;;) { 1817 if (ie->target_cmd == 0) { 1818 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); 1819 return -ENOSYS; 1820 } 1821 if (ie->target_cmd == cmd) 1822 break; 1823 ie++; 1824 } 1825 arg_type = ie->arg_type; 1826 #if defined(DEBUG) 1827 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); 1828 #endif 1829 switch(arg_type[0]) { 1830 case TYPE_NULL: 1831 /* no argument */ 1832 ret = get_errno(ioctl(fd, ie->host_cmd)); 1833 break; 1834 case TYPE_PTRVOID: 1835 case TYPE_INT: 1836 /* int argment */ 1837 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 1838 break; 1839 case TYPE_PTR: 1840 arg_type++; 1841 target_size = thunk_type_size(arg_type, 0); 1842 switch(ie->access) { 1843 case IOC_R: 1844 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1845 if (!is_error(ret)) { 1846 argptr = lock_user(arg, target_size, 0); 1847 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 1848 unlock_user(argptr, arg, target_size); 1849 } 1850 break; 1851 case IOC_W: 1852 argptr = lock_user(arg, target_size, 1); 1853 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 1854 unlock_user(argptr, arg, 0); 1855 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1856 break; 1857 default: 1858 case IOC_RW: 1859 argptr = lock_user(arg, target_size, 1); 1860 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 1861 unlock_user(argptr, arg, 0); 1862 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1863 if (!is_error(ret)) { 1864 argptr = lock_user(arg, target_size, 0); 1865 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 1866 unlock_user(argptr, arg, target_size); 1867 } 1868 break; 1869 } 1870 break; 1871 default: 1872 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", 1873 (long)cmd, arg_type[0]); 1874 ret = -ENOSYS; 1875 break; 1876 } 1877 return ret; 1878 } 1879 1880 bitmask_transtbl iflag_tbl[] = { 1881 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 1882 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 1883 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 1884 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 1885 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 1886 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 1887 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 1888 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 1889 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 1890 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 1891 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 1892 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 1893 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 1894 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 1895 { 0, 0, 0, 0 } 1896 }; 1897 1898 bitmask_transtbl oflag_tbl[] = { 1899 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 1900 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 1901 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 1902 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 1903 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 1904 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 1905 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 1906 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 1907 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 1908 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 1909 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 1910 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 1911 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 1912 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 1913 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 1914 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 1915 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 1916 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 1917 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 1918 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 1919 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 1920 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 1921 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 1922 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 1923 { 0, 0, 0, 0 } 1924 }; 1925 1926 bitmask_transtbl cflag_tbl[] = { 1927 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 1928 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 1929 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 1930 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 1931 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 1932 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 1933 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 1934 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 1935 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 1936 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 1937 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 1938 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 1939 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 1940 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 1941 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 1942 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 1943 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 1944 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 1945 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 1946 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 1947 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 1948 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 1949 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 1950 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 1951 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 1952 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 1953 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 1954 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 1955 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 1956 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 1957 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 1958 { 0, 0, 0, 0 } 1959 }; 1960 1961 bitmask_transtbl lflag_tbl[] = { 1962 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 1963 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 1964 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 1965 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 1966 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 1967 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 1968 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 1969 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 1970 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 1971 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 1972 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 1973 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 1974 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 1975 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 1976 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 1977 { 0, 0, 0, 0 } 1978 }; 1979 1980 static void target_to_host_termios (void *dst, const void *src) 1981 { 1982 struct host_termios *host = dst; 1983 const struct target_termios *target = src; 1984 1985 host->c_iflag = 1986 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 1987 host->c_oflag = 1988 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 1989 host->c_cflag = 1990 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 1991 host->c_lflag = 1992 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 1993 host->c_line = target->c_line; 1994 1995 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 1996 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 1997 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 1998 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 1999 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 2000 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 2001 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 2002 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 2003 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 2004 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 2005 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 2006 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 2007 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 2008 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 2009 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 2010 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 2011 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 2012 } 2013 2014 static void host_to_target_termios (void *dst, const void *src) 2015 { 2016 struct target_termios *target = dst; 2017 const struct host_termios *host = src; 2018 2019 target->c_iflag = 2020 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 2021 target->c_oflag = 2022 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 2023 target->c_cflag = 2024 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 2025 target->c_lflag = 2026 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 2027 target->c_line = host->c_line; 2028 2029 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 2030 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 2031 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 2032 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 2033 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 2034 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 2035 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 2036 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 2037 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 2038 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 2039 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 2040 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 2041 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 2042 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 2043 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 2044 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 2045 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 2046 } 2047 2048 StructEntry struct_termios_def = { 2049 .convert = { host_to_target_termios, target_to_host_termios }, 2050 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 2051 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 2052 }; 2053 2054 static bitmask_transtbl mmap_flags_tbl[] = { 2055 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 2056 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 2057 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 2058 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 2059 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 2060 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 2061 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 2062 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 2063 { 0, 0, 0, 0 } 2064 }; 2065 2066 static bitmask_transtbl fcntl_flags_tbl[] = { 2067 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 2068 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 2069 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 2070 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 2071 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 2072 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 2073 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 2074 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 2075 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 2076 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 2077 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 2078 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 2079 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 2080 #if defined(O_DIRECT) 2081 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 2082 #endif 2083 { 0, 0, 0, 0 } 2084 }; 2085 2086 #if defined(TARGET_I386) 2087 2088 /* NOTE: there is really one LDT for all the threads */ 2089 uint8_t *ldt_table; 2090 2091 static int read_ldt(target_ulong ptr, unsigned long bytecount) 2092 { 2093 int size; 2094 void *p; 2095 2096 if (!ldt_table) 2097 return 0; 2098 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 2099 if (size > bytecount) 2100 size = bytecount; 2101 p = lock_user(ptr, size, 0); 2102 /* ??? Shoudl this by byteswapped? */ 2103 memcpy(p, ldt_table, size); 2104 unlock_user(p, ptr, size); 2105 return size; 2106 } 2107 2108 /* XXX: add locking support */ 2109 static int write_ldt(CPUX86State *env, 2110 target_ulong ptr, unsigned long bytecount, int oldmode) 2111 { 2112 struct target_modify_ldt_ldt_s ldt_info; 2113 struct target_modify_ldt_ldt_s *target_ldt_info; 2114 int seg_32bit, contents, read_exec_only, limit_in_pages; 2115 int seg_not_present, useable; 2116 uint32_t *lp, entry_1, entry_2; 2117 2118 if (bytecount != sizeof(ldt_info)) 2119 return -EINVAL; 2120 lock_user_struct(target_ldt_info, ptr, 1); 2121 ldt_info.entry_number = tswap32(target_ldt_info->entry_number); 2122 ldt_info.base_addr = tswapl(target_ldt_info->base_addr); 2123 ldt_info.limit = tswap32(target_ldt_info->limit); 2124 ldt_info.flags = tswap32(target_ldt_info->flags); 2125 unlock_user_struct(target_ldt_info, ptr, 0); 2126 2127 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 2128 return -EINVAL; 2129 seg_32bit = ldt_info.flags & 1; 2130 contents = (ldt_info.flags >> 1) & 3; 2131 read_exec_only = (ldt_info.flags >> 3) & 1; 2132 limit_in_pages = (ldt_info.flags >> 4) & 1; 2133 seg_not_present = (ldt_info.flags >> 5) & 1; 2134 useable = (ldt_info.flags >> 6) & 1; 2135 2136 if (contents == 3) { 2137 if (oldmode) 2138 return -EINVAL; 2139 if (seg_not_present == 0) 2140 return -EINVAL; 2141 } 2142 /* allocate the LDT */ 2143 if (!ldt_table) { 2144 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2145 if (!ldt_table) 2146 return -ENOMEM; 2147 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2148 env->ldt.base = h2g(ldt_table); 2149 env->ldt.limit = 0xffff; 2150 } 2151 2152 /* NOTE: same code as Linux kernel */ 2153 /* Allow LDTs to be cleared by the user. */ 2154 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 2155 if (oldmode || 2156 (contents == 0 && 2157 read_exec_only == 1 && 2158 seg_32bit == 0 && 2159 limit_in_pages == 0 && 2160 seg_not_present == 1 && 2161 useable == 0 )) { 2162 entry_1 = 0; 2163 entry_2 = 0; 2164 goto install; 2165 } 2166 } 2167 2168 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 2169 (ldt_info.limit & 0x0ffff); 2170 entry_2 = (ldt_info.base_addr & 0xff000000) | 2171 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 2172 (ldt_info.limit & 0xf0000) | 2173 ((read_exec_only ^ 1) << 9) | 2174 (contents << 10) | 2175 ((seg_not_present ^ 1) << 15) | 2176 (seg_32bit << 22) | 2177 (limit_in_pages << 23) | 2178 0x7000; 2179 if (!oldmode) 2180 entry_2 |= (useable << 20); 2181 2182 /* Install the new entry ... */ 2183 install: 2184 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 2185 lp[0] = tswap32(entry_1); 2186 lp[1] = tswap32(entry_2); 2187 return 0; 2188 } 2189 2190 /* specific and weird i386 syscalls */ 2191 int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount) 2192 { 2193 int ret = -ENOSYS; 2194 2195 switch (func) { 2196 case 0: 2197 ret = read_ldt(ptr, bytecount); 2198 break; 2199 case 1: 2200 ret = write_ldt(env, ptr, bytecount, 1); 2201 break; 2202 case 0x11: 2203 ret = write_ldt(env, ptr, bytecount, 0); 2204 break; 2205 } 2206 return ret; 2207 } 2208 2209 #endif /* defined(TARGET_I386) */ 2210 2211 /* this stack is the equivalent of the kernel stack associated with a 2212 thread/process */ 2213 #define NEW_STACK_SIZE 8192 2214 2215 static int clone_func(void *arg) 2216 { 2217 CPUState *env = arg; 2218 cpu_loop(env); 2219 /* never exits */ 2220 return 0; 2221 } 2222 2223 int do_fork(CPUState *env, unsigned int flags, target_ulong newsp) 2224 { 2225 int ret; 2226 TaskState *ts; 2227 uint8_t *new_stack; 2228 CPUState *new_env; 2229 2230 if (flags & CLONE_VM) { 2231 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 2232 memset(ts, 0, sizeof(TaskState)); 2233 new_stack = ts->stack; 2234 ts->used = 1; 2235 /* add in task state list */ 2236 ts->next = first_task_state; 2237 first_task_state = ts; 2238 /* we create a new CPU instance. */ 2239 new_env = cpu_copy(env); 2240 #if defined(TARGET_I386) 2241 if (!newsp) 2242 newsp = env->regs[R_ESP]; 2243 new_env->regs[R_ESP] = newsp; 2244 new_env->regs[R_EAX] = 0; 2245 #elif defined(TARGET_ARM) 2246 if (!newsp) 2247 newsp = env->regs[13]; 2248 new_env->regs[13] = newsp; 2249 new_env->regs[0] = 0; 2250 #elif defined(TARGET_SPARC) 2251 if (!newsp) 2252 newsp = env->regwptr[22]; 2253 new_env->regwptr[22] = newsp; 2254 new_env->regwptr[0] = 0; 2255 /* XXXXX */ 2256 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 2257 #elif defined(TARGET_M68K) 2258 if (!newsp) 2259 newsp = env->aregs[7]; 2260 new_env->aregs[7] = newsp; 2261 new_env->dregs[0] = 0; 2262 /* ??? is this sufficient? */ 2263 #elif defined(TARGET_MIPS) 2264 if (!newsp) 2265 newsp = env->gpr[29][env->current_tc]; 2266 new_env->gpr[29][env->current_tc] = newsp; 2267 #elif defined(TARGET_PPC) 2268 if (!newsp) 2269 newsp = env->gpr[1]; 2270 new_env->gpr[1] = newsp; 2271 { 2272 int i; 2273 for (i = 7; i < 32; i++) 2274 new_env->gpr[i] = 0; 2275 } 2276 #elif defined(TARGET_SH4) 2277 if (!newsp) 2278 newsp = env->gregs[15]; 2279 new_env->gregs[15] = newsp; 2280 /* XXXXX */ 2281 #elif defined(TARGET_ALPHA) 2282 if (!newsp) 2283 newsp = env->ir[30]; 2284 new_env->ir[30] = newsp; 2285 /* ? */ 2286 { 2287 int i; 2288 for (i = 7; i < 30; i++) 2289 new_env->ir[i] = 0; 2290 } 2291 #elif defined(TARGET_CRIS) 2292 if (!newsp) 2293 newsp = env->regs[14]; 2294 new_env->regs[14] = newsp; 2295 #else 2296 #error unsupported target CPU 2297 #endif 2298 new_env->opaque = ts; 2299 #ifdef __ia64__ 2300 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2301 #else 2302 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2303 #endif 2304 } else { 2305 /* if no CLONE_VM, we consider it is a fork */ 2306 if ((flags & ~CSIGNAL) != 0) 2307 return -EINVAL; 2308 ret = fork(); 2309 } 2310 return ret; 2311 } 2312 2313 static target_long do_fcntl(int fd, int cmd, target_ulong arg) 2314 { 2315 struct flock fl; 2316 struct target_flock *target_fl; 2317 struct flock64 fl64; 2318 struct target_flock64 *target_fl64; 2319 target_long ret; 2320 2321 switch(cmd) { 2322 case TARGET_F_GETLK: 2323 lock_user_struct(target_fl, arg, 1); 2324 fl.l_type = tswap16(target_fl->l_type); 2325 fl.l_whence = tswap16(target_fl->l_whence); 2326 fl.l_start = tswapl(target_fl->l_start); 2327 fl.l_len = tswapl(target_fl->l_len); 2328 fl.l_pid = tswapl(target_fl->l_pid); 2329 unlock_user_struct(target_fl, arg, 0); 2330 ret = fcntl(fd, cmd, &fl); 2331 if (ret == 0) { 2332 lock_user_struct(target_fl, arg, 0); 2333 target_fl->l_type = tswap16(fl.l_type); 2334 target_fl->l_whence = tswap16(fl.l_whence); 2335 target_fl->l_start = tswapl(fl.l_start); 2336 target_fl->l_len = tswapl(fl.l_len); 2337 target_fl->l_pid = tswapl(fl.l_pid); 2338 unlock_user_struct(target_fl, arg, 1); 2339 } 2340 break; 2341 2342 case TARGET_F_SETLK: 2343 case TARGET_F_SETLKW: 2344 lock_user_struct(target_fl, arg, 1); 2345 fl.l_type = tswap16(target_fl->l_type); 2346 fl.l_whence = tswap16(target_fl->l_whence); 2347 fl.l_start = tswapl(target_fl->l_start); 2348 fl.l_len = tswapl(target_fl->l_len); 2349 fl.l_pid = tswapl(target_fl->l_pid); 2350 unlock_user_struct(target_fl, arg, 0); 2351 ret = fcntl(fd, cmd, &fl); 2352 break; 2353 2354 case TARGET_F_GETLK64: 2355 lock_user_struct(target_fl64, arg, 1); 2356 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2357 fl64.l_whence = tswap16(target_fl64->l_whence); 2358 fl64.l_start = tswapl(target_fl64->l_start); 2359 fl64.l_len = tswapl(target_fl64->l_len); 2360 fl64.l_pid = tswap16(target_fl64->l_pid); 2361 unlock_user_struct(target_fl64, arg, 0); 2362 ret = fcntl(fd, cmd >> 1, &fl64); 2363 if (ret == 0) { 2364 lock_user_struct(target_fl64, arg, 0); 2365 target_fl64->l_type = tswap16(fl64.l_type) >> 1; 2366 target_fl64->l_whence = tswap16(fl64.l_whence); 2367 target_fl64->l_start = tswapl(fl64.l_start); 2368 target_fl64->l_len = tswapl(fl64.l_len); 2369 target_fl64->l_pid = tswapl(fl64.l_pid); 2370 unlock_user_struct(target_fl64, arg, 1); 2371 } 2372 break; 2373 case TARGET_F_SETLK64: 2374 case TARGET_F_SETLKW64: 2375 lock_user_struct(target_fl64, arg, 1); 2376 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2377 fl64.l_whence = tswap16(target_fl64->l_whence); 2378 fl64.l_start = tswapl(target_fl64->l_start); 2379 fl64.l_len = tswapl(target_fl64->l_len); 2380 fl64.l_pid = tswap16(target_fl64->l_pid); 2381 unlock_user_struct(target_fl64, arg, 0); 2382 ret = fcntl(fd, cmd >> 1, &fl64); 2383 break; 2384 2385 case F_GETFL: 2386 ret = fcntl(fd, cmd, arg); 2387 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 2388 break; 2389 2390 case F_SETFL: 2391 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)); 2392 break; 2393 2394 default: 2395 ret = fcntl(fd, cmd, arg); 2396 break; 2397 } 2398 return ret; 2399 } 2400 2401 #ifdef USE_UID16 2402 2403 static inline int high2lowuid(int uid) 2404 { 2405 if (uid > 65535) 2406 return 65534; 2407 else 2408 return uid; 2409 } 2410 2411 static inline int high2lowgid(int gid) 2412 { 2413 if (gid > 65535) 2414 return 65534; 2415 else 2416 return gid; 2417 } 2418 2419 static inline int low2highuid(int uid) 2420 { 2421 if ((int16_t)uid == -1) 2422 return -1; 2423 else 2424 return uid; 2425 } 2426 2427 static inline int low2highgid(int gid) 2428 { 2429 if ((int16_t)gid == -1) 2430 return -1; 2431 else 2432 return gid; 2433 } 2434 2435 #endif /* USE_UID16 */ 2436 2437 void syscall_init(void) 2438 { 2439 IOCTLEntry *ie; 2440 const argtype *arg_type; 2441 int size; 2442 2443 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 2444 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 2445 #include "syscall_types.h" 2446 #undef STRUCT 2447 #undef STRUCT_SPECIAL 2448 2449 /* we patch the ioctl size if necessary. We rely on the fact that 2450 no ioctl has all the bits at '1' in the size field */ 2451 ie = ioctl_entries; 2452 while (ie->target_cmd != 0) { 2453 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 2454 TARGET_IOC_SIZEMASK) { 2455 arg_type = ie->arg_type; 2456 if (arg_type[0] != TYPE_PTR) { 2457 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 2458 ie->target_cmd); 2459 exit(1); 2460 } 2461 arg_type++; 2462 size = thunk_type_size(arg_type, 0); 2463 ie->target_cmd = (ie->target_cmd & 2464 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 2465 (size << TARGET_IOC_SIZESHIFT); 2466 } 2467 /* automatic consistency check if same arch */ 2468 #if defined(__i386__) && defined(TARGET_I386) 2469 if (ie->target_cmd != ie->host_cmd) { 2470 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 2471 ie->target_cmd, ie->host_cmd); 2472 } 2473 #endif 2474 ie++; 2475 } 2476 } 2477 2478 #if TARGET_LONG_BITS == 32 2479 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) 2480 { 2481 #ifdef TARGET_WORDS_BIG_ENDIAN 2482 return ((uint64_t)word0 << 32) | word1; 2483 #else 2484 return ((uint64_t)word1 << 32) | word0; 2485 #endif 2486 } 2487 #else /* TARGET_LONG_BITS == 32 */ 2488 static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) 2489 { 2490 return word0; 2491 } 2492 #endif /* TARGET_LONG_BITS != 32 */ 2493 2494 #ifdef TARGET_NR_truncate64 2495 static inline target_long target_truncate64(void *cpu_env, const char *arg1, 2496 target_long arg2, 2497 target_long arg3, 2498 target_long arg4) 2499 { 2500 #ifdef TARGET_ARM 2501 if (((CPUARMState *)cpu_env)->eabi) 2502 { 2503 arg2 = arg3; 2504 arg3 = arg4; 2505 } 2506 #endif 2507 return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); 2508 } 2509 #endif 2510 2511 #ifdef TARGET_NR_ftruncate64 2512 static inline target_long target_ftruncate64(void *cpu_env, target_long arg1, 2513 target_long arg2, 2514 target_long arg3, 2515 target_long arg4) 2516 { 2517 #ifdef TARGET_ARM 2518 if (((CPUARMState *)cpu_env)->eabi) 2519 { 2520 arg2 = arg3; 2521 arg3 = arg4; 2522 } 2523 #endif 2524 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); 2525 } 2526 #endif 2527 2528 static inline void target_to_host_timespec(struct timespec *host_ts, 2529 target_ulong target_addr) 2530 { 2531 struct target_timespec *target_ts; 2532 2533 lock_user_struct(target_ts, target_addr, 1); 2534 host_ts->tv_sec = tswapl(target_ts->tv_sec); 2535 host_ts->tv_nsec = tswapl(target_ts->tv_nsec); 2536 unlock_user_struct(target_ts, target_addr, 0); 2537 } 2538 2539 static inline void host_to_target_timespec(target_ulong target_addr, 2540 struct timespec *host_ts) 2541 { 2542 struct target_timespec *target_ts; 2543 2544 lock_user_struct(target_ts, target_addr, 0); 2545 target_ts->tv_sec = tswapl(host_ts->tv_sec); 2546 target_ts->tv_nsec = tswapl(host_ts->tv_nsec); 2547 unlock_user_struct(target_ts, target_addr, 1); 2548 } 2549 2550 target_long do_syscall(void *cpu_env, int num, target_long arg1, 2551 target_long arg2, target_long arg3, target_long arg4, 2552 target_long arg5, target_long arg6) 2553 { 2554 target_long ret; 2555 struct stat st; 2556 struct statfs stfs; 2557 void *p; 2558 2559 #ifdef DEBUG 2560 gemu_log("syscall %d", num); 2561 #endif 2562 switch(num) { 2563 case TARGET_NR_exit: 2564 #ifdef HAVE_GPROF 2565 _mcleanup(); 2566 #endif 2567 gdb_exit(cpu_env, arg1); 2568 /* XXX: should free thread stack and CPU env */ 2569 _exit(arg1); 2570 ret = 0; /* avoid warning */ 2571 break; 2572 case TARGET_NR_read: 2573 page_unprotect_range(arg2, arg3); 2574 p = lock_user(arg2, arg3, 0); 2575 ret = get_errno(read(arg1, p, arg3)); 2576 unlock_user(p, arg2, ret); 2577 break; 2578 case TARGET_NR_write: 2579 p = lock_user(arg2, arg3, 1); 2580 ret = get_errno(write(arg1, p, arg3)); 2581 unlock_user(p, arg2, 0); 2582 break; 2583 case TARGET_NR_open: 2584 p = lock_user_string(arg1); 2585 ret = get_errno(open(path(p), 2586 target_to_host_bitmask(arg2, fcntl_flags_tbl), 2587 arg3)); 2588 unlock_user(p, arg1, 0); 2589 break; 2590 #if defined(TARGET_NR_openat) && defined(__NR_openat) 2591 case TARGET_NR_openat: 2592 if (!arg2) { 2593 ret = -EFAULT; 2594 goto fail; 2595 } 2596 p = lock_user_string(arg2); 2597 if (!access_ok(VERIFY_READ, p, 1)) 2598 ret = -EFAULT; 2599 else 2600 ret = get_errno(sys_openat(arg1, 2601 path(p), 2602 target_to_host_bitmask(arg3, fcntl_flags_tbl), 2603 arg4)); 2604 if (p) 2605 unlock_user(p, arg2, 0); 2606 break; 2607 #endif 2608 case TARGET_NR_close: 2609 ret = get_errno(close(arg1)); 2610 break; 2611 case TARGET_NR_brk: 2612 ret = do_brk(arg1); 2613 break; 2614 case TARGET_NR_fork: 2615 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 2616 break; 2617 #ifdef TARGET_NR_waitpid 2618 case TARGET_NR_waitpid: 2619 { 2620 int status; 2621 ret = get_errno(waitpid(arg1, &status, arg3)); 2622 if (!is_error(ret) && arg2) 2623 tput32(arg2, status); 2624 } 2625 break; 2626 #endif 2627 #ifdef TARGET_NR_creat /* not on alpha */ 2628 case TARGET_NR_creat: 2629 p = lock_user_string(arg1); 2630 ret = get_errno(creat(p, arg2)); 2631 unlock_user(p, arg1, 0); 2632 break; 2633 #endif 2634 case TARGET_NR_link: 2635 { 2636 void * p2; 2637 p = lock_user_string(arg1); 2638 p2 = lock_user_string(arg2); 2639 ret = get_errno(link(p, p2)); 2640 unlock_user(p2, arg2, 0); 2641 unlock_user(p, arg1, 0); 2642 } 2643 break; 2644 #if defined(TARGET_NR_linkat) && defined(__NR_linkat) 2645 case TARGET_NR_linkat: 2646 if (!arg2 || !arg4) { 2647 ret = -EFAULT; 2648 goto fail; 2649 } 2650 { 2651 void * p2 = NULL; 2652 p = lock_user_string(arg2); 2653 p2 = lock_user_string(arg4); 2654 if (!access_ok(VERIFY_READ, p, 1) 2655 || !access_ok(VERIFY_READ, p2, 1)) 2656 ret = -EFAULT; 2657 else 2658 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); 2659 if (p2) 2660 unlock_user(p, arg2, 0); 2661 if (p) 2662 unlock_user(p2, arg4, 0); 2663 } 2664 break; 2665 #endif 2666 case TARGET_NR_unlink: 2667 p = lock_user_string(arg1); 2668 ret = get_errno(unlink(p)); 2669 unlock_user(p, arg1, 0); 2670 break; 2671 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) 2672 case TARGET_NR_unlinkat: 2673 if (!arg2) { 2674 ret = -EFAULT; 2675 goto fail; 2676 } 2677 p = lock_user_string(arg2); 2678 if (!access_ok(VERIFY_READ, p, 1)) 2679 ret = -EFAULT; 2680 else 2681 ret = get_errno(sys_unlinkat(arg1, p, arg3)); 2682 if (p) 2683 unlock_user(p, arg2, 0); 2684 break; 2685 #endif 2686 case TARGET_NR_execve: 2687 { 2688 char **argp, **envp; 2689 int argc, envc; 2690 target_ulong gp; 2691 target_ulong guest_argp; 2692 target_ulong guest_envp; 2693 target_ulong addr; 2694 char **q; 2695 2696 argc = 0; 2697 guest_argp = arg2; 2698 for (gp = guest_argp; tgetl(gp); gp++) 2699 argc++; 2700 envc = 0; 2701 guest_envp = arg3; 2702 for (gp = guest_envp; tgetl(gp); gp++) 2703 envc++; 2704 2705 argp = alloca((argc + 1) * sizeof(void *)); 2706 envp = alloca((envc + 1) * sizeof(void *)); 2707 2708 for (gp = guest_argp, q = argp; ; 2709 gp += sizeof(target_ulong), q++) { 2710 addr = tgetl(gp); 2711 if (!addr) 2712 break; 2713 *q = lock_user_string(addr); 2714 } 2715 *q = NULL; 2716 2717 for (gp = guest_envp, q = envp; ; 2718 gp += sizeof(target_ulong), q++) { 2719 addr = tgetl(gp); 2720 if (!addr) 2721 break; 2722 *q = lock_user_string(addr); 2723 } 2724 *q = NULL; 2725 2726 p = lock_user_string(arg1); 2727 ret = get_errno(execve(p, argp, envp)); 2728 unlock_user(p, arg1, 0); 2729 2730 for (gp = guest_argp, q = argp; *q; 2731 gp += sizeof(target_ulong), q++) { 2732 addr = tgetl(gp); 2733 unlock_user(*q, addr, 0); 2734 } 2735 for (gp = guest_envp, q = envp; *q; 2736 gp += sizeof(target_ulong), q++) { 2737 addr = tgetl(gp); 2738 unlock_user(*q, addr, 0); 2739 } 2740 } 2741 break; 2742 case TARGET_NR_chdir: 2743 p = lock_user_string(arg1); 2744 ret = get_errno(chdir(p)); 2745 unlock_user(p, arg1, 0); 2746 break; 2747 #ifdef TARGET_NR_time 2748 case TARGET_NR_time: 2749 { 2750 time_t host_time; 2751 ret = get_errno(time(&host_time)); 2752 if (!is_error(ret) && arg1) 2753 tputl(arg1, host_time); 2754 } 2755 break; 2756 #endif 2757 case TARGET_NR_mknod: 2758 p = lock_user_string(arg1); 2759 ret = get_errno(mknod(p, arg2, arg3)); 2760 unlock_user(p, arg1, 0); 2761 break; 2762 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) 2763 case TARGET_NR_mknodat: 2764 if (!arg2) { 2765 ret = -EFAULT; 2766 goto fail; 2767 } 2768 p = lock_user_string(arg2); 2769 if (!access_ok(VERIFY_READ, p, 1)) 2770 ret = -EFAULT; 2771 else 2772 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); 2773 if (p) 2774 unlock_user(p, arg2, 0); 2775 break; 2776 #endif 2777 case TARGET_NR_chmod: 2778 p = lock_user_string(arg1); 2779 ret = get_errno(chmod(p, arg2)); 2780 unlock_user(p, arg1, 0); 2781 break; 2782 #ifdef TARGET_NR_break 2783 case TARGET_NR_break: 2784 goto unimplemented; 2785 #endif 2786 #ifdef TARGET_NR_oldstat 2787 case TARGET_NR_oldstat: 2788 goto unimplemented; 2789 #endif 2790 case TARGET_NR_lseek: 2791 ret = get_errno(lseek(arg1, arg2, arg3)); 2792 break; 2793 #ifdef TARGET_NR_getxpid 2794 case TARGET_NR_getxpid: 2795 #else 2796 case TARGET_NR_getpid: 2797 #endif 2798 ret = get_errno(getpid()); 2799 break; 2800 case TARGET_NR_mount: 2801 { 2802 /* need to look at the data field */ 2803 void *p2, *p3; 2804 p = lock_user_string(arg1); 2805 p2 = lock_user_string(arg2); 2806 p3 = lock_user_string(arg3); 2807 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5)); 2808 unlock_user(p, arg1, 0); 2809 unlock_user(p2, arg2, 0); 2810 unlock_user(p3, arg3, 0); 2811 break; 2812 } 2813 #ifdef TARGET_NR_umount 2814 case TARGET_NR_umount: 2815 p = lock_user_string(arg1); 2816 ret = get_errno(umount(p)); 2817 unlock_user(p, arg1, 0); 2818 break; 2819 #endif 2820 #ifdef TARGET_NR_stime /* not on alpha */ 2821 case TARGET_NR_stime: 2822 { 2823 time_t host_time; 2824 host_time = tgetl(arg1); 2825 ret = get_errno(stime(&host_time)); 2826 } 2827 break; 2828 #endif 2829 case TARGET_NR_ptrace: 2830 goto unimplemented; 2831 #ifdef TARGET_NR_alarm /* not on alpha */ 2832 case TARGET_NR_alarm: 2833 ret = alarm(arg1); 2834 break; 2835 #endif 2836 #ifdef TARGET_NR_oldfstat 2837 case TARGET_NR_oldfstat: 2838 goto unimplemented; 2839 #endif 2840 #ifdef TARGET_NR_pause /* not on alpha */ 2841 case TARGET_NR_pause: 2842 ret = get_errno(pause()); 2843 break; 2844 #endif 2845 #ifdef TARGET_NR_utime 2846 case TARGET_NR_utime: 2847 { 2848 struct utimbuf tbuf, *host_tbuf; 2849 struct target_utimbuf *target_tbuf; 2850 if (arg2) { 2851 lock_user_struct(target_tbuf, arg2, 1); 2852 tbuf.actime = tswapl(target_tbuf->actime); 2853 tbuf.modtime = tswapl(target_tbuf->modtime); 2854 unlock_user_struct(target_tbuf, arg2, 0); 2855 host_tbuf = &tbuf; 2856 } else { 2857 host_tbuf = NULL; 2858 } 2859 p = lock_user_string(arg1); 2860 ret = get_errno(utime(p, host_tbuf)); 2861 unlock_user(p, arg1, 0); 2862 } 2863 break; 2864 #endif 2865 case TARGET_NR_utimes: 2866 { 2867 struct timeval *tvp, tv[2]; 2868 if (arg2) { 2869 target_to_host_timeval(&tv[0], arg2); 2870 target_to_host_timeval(&tv[1], 2871 arg2 + sizeof (struct target_timeval)); 2872 tvp = tv; 2873 } else { 2874 tvp = NULL; 2875 } 2876 p = lock_user_string(arg1); 2877 ret = get_errno(utimes(p, tvp)); 2878 unlock_user(p, arg1, 0); 2879 } 2880 break; 2881 #ifdef TARGET_NR_stty 2882 case TARGET_NR_stty: 2883 goto unimplemented; 2884 #endif 2885 #ifdef TARGET_NR_gtty 2886 case TARGET_NR_gtty: 2887 goto unimplemented; 2888 #endif 2889 case TARGET_NR_access: 2890 p = lock_user_string(arg1); 2891 ret = get_errno(access(p, arg2)); 2892 unlock_user(p, arg1, 0); 2893 break; 2894 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) 2895 case TARGET_NR_faccessat: 2896 if (!arg2) { 2897 ret = -EFAULT; 2898 goto fail; 2899 } 2900 p = lock_user_string(arg2); 2901 if (!access_ok(VERIFY_READ, p, 1)) 2902 ret = -EFAULT; 2903 else 2904 ret = get_errno(sys_faccessat(arg1, p, arg3, arg4)); 2905 if (p) 2906 unlock_user(p, arg2, 0); 2907 break; 2908 #endif 2909 #ifdef TARGET_NR_nice /* not on alpha */ 2910 case TARGET_NR_nice: 2911 ret = get_errno(nice(arg1)); 2912 break; 2913 #endif 2914 #ifdef TARGET_NR_ftime 2915 case TARGET_NR_ftime: 2916 goto unimplemented; 2917 #endif 2918 case TARGET_NR_sync: 2919 sync(); 2920 ret = 0; 2921 break; 2922 case TARGET_NR_kill: 2923 ret = get_errno(kill(arg1, arg2)); 2924 break; 2925 case TARGET_NR_rename: 2926 { 2927 void *p2; 2928 p = lock_user_string(arg1); 2929 p2 = lock_user_string(arg2); 2930 ret = get_errno(rename(p, p2)); 2931 unlock_user(p2, arg2, 0); 2932 unlock_user(p, arg1, 0); 2933 } 2934 break; 2935 #if defined(TARGET_NR_renameat) && defined(__NR_renameat) 2936 case TARGET_NR_renameat: 2937 if (!arg2 || !arg4) { 2938 ret = -EFAULT; 2939 goto fail; 2940 } 2941 { 2942 void *p2 = NULL; 2943 p = lock_user_string(arg2); 2944 p2 = lock_user_string(arg4); 2945 if (!access_ok(VERIFY_READ, p, 1) 2946 || !access_ok(VERIFY_READ, p2, 1)) 2947 ret = -EFAULT; 2948 else 2949 ret = get_errno(sys_renameat(arg1, p, arg3, p2)); 2950 if (p2) 2951 unlock_user(p2, arg4, 0); 2952 if (p) 2953 unlock_user(p, arg2, 0); 2954 } 2955 break; 2956 #endif 2957 case TARGET_NR_mkdir: 2958 p = lock_user_string(arg1); 2959 ret = get_errno(mkdir(p, arg2)); 2960 unlock_user(p, arg1, 0); 2961 break; 2962 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) 2963 case TARGET_NR_mkdirat: 2964 if (!arg2) { 2965 ret = -EFAULT; 2966 goto fail; 2967 } 2968 p = lock_user_string(arg2); 2969 if (!access_ok(VERIFY_READ, p, 1)) 2970 ret = -EFAULT; 2971 else 2972 ret = get_errno(sys_mkdirat(arg1, p, arg3)); 2973 if (p) 2974 unlock_user(p, arg2, 0); 2975 break; 2976 #endif 2977 case TARGET_NR_rmdir: 2978 p = lock_user_string(arg1); 2979 ret = get_errno(rmdir(p)); 2980 unlock_user(p, arg1, 0); 2981 break; 2982 case TARGET_NR_dup: 2983 ret = get_errno(dup(arg1)); 2984 break; 2985 case TARGET_NR_pipe: 2986 { 2987 int host_pipe[2]; 2988 ret = get_errno(pipe(host_pipe)); 2989 if (!is_error(ret)) { 2990 #if defined(TARGET_MIPS) 2991 CPUMIPSState *env = (CPUMIPSState*)cpu_env; 2992 env->gpr[3][env->current_tc] = host_pipe[1]; 2993 ret = host_pipe[0]; 2994 #else 2995 tput32(arg1, host_pipe[0]); 2996 tput32(arg1 + 4, host_pipe[1]); 2997 #endif 2998 } 2999 } 3000 break; 3001 case TARGET_NR_times: 3002 { 3003 struct target_tms *tmsp; 3004 struct tms tms; 3005 ret = get_errno(times(&tms)); 3006 if (arg1) { 3007 tmsp = lock_user(arg1, sizeof(struct target_tms), 0); 3008 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 3009 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 3010 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 3011 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 3012 } 3013 if (!is_error(ret)) 3014 ret = host_to_target_clock_t(ret); 3015 } 3016 break; 3017 #ifdef TARGET_NR_prof 3018 case TARGET_NR_prof: 3019 goto unimplemented; 3020 #endif 3021 #ifdef TARGET_NR_signal 3022 case TARGET_NR_signal: 3023 goto unimplemented; 3024 #endif 3025 case TARGET_NR_acct: 3026 p = lock_user_string(arg1); 3027 ret = get_errno(acct(path(p))); 3028 unlock_user(p, arg1, 0); 3029 break; 3030 #ifdef TARGET_NR_umount2 /* not on alpha */ 3031 case TARGET_NR_umount2: 3032 p = lock_user_string(arg1); 3033 ret = get_errno(umount2(p, arg2)); 3034 unlock_user(p, arg1, 0); 3035 break; 3036 #endif 3037 #ifdef TARGET_NR_lock 3038 case TARGET_NR_lock: 3039 goto unimplemented; 3040 #endif 3041 case TARGET_NR_ioctl: 3042 ret = do_ioctl(arg1, arg2, arg3); 3043 break; 3044 case TARGET_NR_fcntl: 3045 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 3046 break; 3047 #ifdef TARGET_NR_mpx 3048 case TARGET_NR_mpx: 3049 goto unimplemented; 3050 #endif 3051 case TARGET_NR_setpgid: 3052 ret = get_errno(setpgid(arg1, arg2)); 3053 break; 3054 #ifdef TARGET_NR_ulimit 3055 case TARGET_NR_ulimit: 3056 goto unimplemented; 3057 #endif 3058 #ifdef TARGET_NR_oldolduname 3059 case TARGET_NR_oldolduname: 3060 goto unimplemented; 3061 #endif 3062 case TARGET_NR_umask: 3063 ret = get_errno(umask(arg1)); 3064 break; 3065 case TARGET_NR_chroot: 3066 p = lock_user_string(arg1); 3067 ret = get_errno(chroot(p)); 3068 unlock_user(p, arg1, 0); 3069 break; 3070 case TARGET_NR_ustat: 3071 goto unimplemented; 3072 case TARGET_NR_dup2: 3073 ret = get_errno(dup2(arg1, arg2)); 3074 break; 3075 #ifdef TARGET_NR_getppid /* not on alpha */ 3076 case TARGET_NR_getppid: 3077 ret = get_errno(getppid()); 3078 break; 3079 #endif 3080 case TARGET_NR_getpgrp: 3081 ret = get_errno(getpgrp()); 3082 break; 3083 case TARGET_NR_setsid: 3084 ret = get_errno(setsid()); 3085 break; 3086 #ifdef TARGET_NR_sigaction 3087 case TARGET_NR_sigaction: 3088 { 3089 #if !defined(TARGET_MIPS) 3090 struct target_old_sigaction *old_act; 3091 struct target_sigaction act, oact, *pact; 3092 if (arg2) { 3093 lock_user_struct(old_act, arg2, 1); 3094 act._sa_handler = old_act->_sa_handler; 3095 target_siginitset(&act.sa_mask, old_act->sa_mask); 3096 act.sa_flags = old_act->sa_flags; 3097 act.sa_restorer = old_act->sa_restorer; 3098 unlock_user_struct(old_act, arg2, 0); 3099 pact = &act; 3100 } else { 3101 pact = NULL; 3102 } 3103 ret = get_errno(do_sigaction(arg1, pact, &oact)); 3104 if (!is_error(ret) && arg3) { 3105 lock_user_struct(old_act, arg3, 0); 3106 old_act->_sa_handler = oact._sa_handler; 3107 old_act->sa_mask = oact.sa_mask.sig[0]; 3108 old_act->sa_flags = oact.sa_flags; 3109 old_act->sa_restorer = oact.sa_restorer; 3110 unlock_user_struct(old_act, arg3, 1); 3111 } 3112 #else 3113 struct target_sigaction act, oact, *pact, *old_act; 3114 3115 if (arg2) { 3116 lock_user_struct(old_act, arg2, 1); 3117 act._sa_handler = old_act->_sa_handler; 3118 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); 3119 act.sa_flags = old_act->sa_flags; 3120 unlock_user_struct(old_act, arg2, 0); 3121 pact = &act; 3122 } else { 3123 pact = NULL; 3124 } 3125 3126 ret = get_errno(do_sigaction(arg1, pact, &oact)); 3127 3128 if (!is_error(ret) && arg3) { 3129 lock_user_struct(old_act, arg3, 0); 3130 old_act->_sa_handler = oact._sa_handler; 3131 old_act->sa_flags = oact.sa_flags; 3132 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; 3133 old_act->sa_mask.sig[1] = 0; 3134 old_act->sa_mask.sig[2] = 0; 3135 old_act->sa_mask.sig[3] = 0; 3136 unlock_user_struct(old_act, arg3, 1); 3137 } 3138 #endif 3139 } 3140 break; 3141 #endif 3142 case TARGET_NR_rt_sigaction: 3143 { 3144 struct target_sigaction *act; 3145 struct target_sigaction *oact; 3146 3147 if (arg2) 3148 lock_user_struct(act, arg2, 1); 3149 else 3150 act = NULL; 3151 if (arg3) 3152 lock_user_struct(oact, arg3, 0); 3153 else 3154 oact = NULL; 3155 ret = get_errno(do_sigaction(arg1, act, oact)); 3156 if (arg2) 3157 unlock_user_struct(act, arg2, 0); 3158 if (arg3) 3159 unlock_user_struct(oact, arg3, 1); 3160 } 3161 break; 3162 #ifdef TARGET_NR_sgetmask /* not on alpha */ 3163 case TARGET_NR_sgetmask: 3164 { 3165 sigset_t cur_set; 3166 target_ulong target_set; 3167 sigprocmask(0, NULL, &cur_set); 3168 host_to_target_old_sigset(&target_set, &cur_set); 3169 ret = target_set; 3170 } 3171 break; 3172 #endif 3173 #ifdef TARGET_NR_ssetmask /* not on alpha */ 3174 case TARGET_NR_ssetmask: 3175 { 3176 sigset_t set, oset, cur_set; 3177 target_ulong target_set = arg1; 3178 sigprocmask(0, NULL, &cur_set); 3179 target_to_host_old_sigset(&set, &target_set); 3180 sigorset(&set, &set, &cur_set); 3181 sigprocmask(SIG_SETMASK, &set, &oset); 3182 host_to_target_old_sigset(&target_set, &oset); 3183 ret = target_set; 3184 } 3185 break; 3186 #endif 3187 #ifdef TARGET_NR_sigprocmask 3188 case TARGET_NR_sigprocmask: 3189 { 3190 int how = arg1; 3191 sigset_t set, oldset, *set_ptr; 3192 3193 if (arg2) { 3194 switch(how) { 3195 case TARGET_SIG_BLOCK: 3196 how = SIG_BLOCK; 3197 break; 3198 case TARGET_SIG_UNBLOCK: 3199 how = SIG_UNBLOCK; 3200 break; 3201 case TARGET_SIG_SETMASK: 3202 how = SIG_SETMASK; 3203 break; 3204 default: 3205 ret = -EINVAL; 3206 goto fail; 3207 } 3208 p = lock_user(arg2, sizeof(target_sigset_t), 1); 3209 target_to_host_old_sigset(&set, p); 3210 unlock_user(p, arg2, 0); 3211 set_ptr = &set; 3212 } else { 3213 how = 0; 3214 set_ptr = NULL; 3215 } 3216 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 3217 if (!is_error(ret) && arg3) { 3218 p = lock_user(arg3, sizeof(target_sigset_t), 0); 3219 host_to_target_old_sigset(p, &oldset); 3220 unlock_user(p, arg3, sizeof(target_sigset_t)); 3221 } 3222 } 3223 break; 3224 #endif 3225 case TARGET_NR_rt_sigprocmask: 3226 { 3227 int how = arg1; 3228 sigset_t set, oldset, *set_ptr; 3229 3230 if (arg2) { 3231 switch(how) { 3232 case TARGET_SIG_BLOCK: 3233 how = SIG_BLOCK; 3234 break; 3235 case TARGET_SIG_UNBLOCK: 3236 how = SIG_UNBLOCK; 3237 break; 3238 case TARGET_SIG_SETMASK: 3239 how = SIG_SETMASK; 3240 break; 3241 default: 3242 ret = -EINVAL; 3243 goto fail; 3244 } 3245 p = lock_user(arg2, sizeof(target_sigset_t), 1); 3246 target_to_host_sigset(&set, p); 3247 unlock_user(p, arg2, 0); 3248 set_ptr = &set; 3249 } else { 3250 how = 0; 3251 set_ptr = NULL; 3252 } 3253 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 3254 if (!is_error(ret) && arg3) { 3255 p = lock_user(arg3, sizeof(target_sigset_t), 0); 3256 host_to_target_sigset(p, &oldset); 3257 unlock_user(p, arg3, sizeof(target_sigset_t)); 3258 } 3259 } 3260 break; 3261 #ifdef TARGET_NR_sigpending 3262 case TARGET_NR_sigpending: 3263 { 3264 sigset_t set; 3265 ret = get_errno(sigpending(&set)); 3266 if (!is_error(ret)) { 3267 p = lock_user(arg1, sizeof(target_sigset_t), 0); 3268 host_to_target_old_sigset(p, &set); 3269 unlock_user(p, arg1, sizeof(target_sigset_t)); 3270 } 3271 } 3272 break; 3273 #endif 3274 case TARGET_NR_rt_sigpending: 3275 { 3276 sigset_t set; 3277 ret = get_errno(sigpending(&set)); 3278 if (!is_error(ret)) { 3279 p = lock_user(arg1, sizeof(target_sigset_t), 0); 3280 host_to_target_sigset(p, &set); 3281 unlock_user(p, arg1, sizeof(target_sigset_t)); 3282 } 3283 } 3284 break; 3285 #ifdef TARGET_NR_sigsuspend 3286 case TARGET_NR_sigsuspend: 3287 { 3288 sigset_t set; 3289 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3290 target_to_host_old_sigset(&set, p); 3291 unlock_user(p, arg1, 0); 3292 ret = get_errno(sigsuspend(&set)); 3293 } 3294 break; 3295 #endif 3296 case TARGET_NR_rt_sigsuspend: 3297 { 3298 sigset_t set; 3299 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3300 target_to_host_sigset(&set, p); 3301 unlock_user(p, arg1, 0); 3302 ret = get_errno(sigsuspend(&set)); 3303 } 3304 break; 3305 case TARGET_NR_rt_sigtimedwait: 3306 { 3307 sigset_t set; 3308 struct timespec uts, *puts; 3309 siginfo_t uinfo; 3310 3311 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3312 target_to_host_sigset(&set, p); 3313 unlock_user(p, arg1, 0); 3314 if (arg3) { 3315 puts = &uts; 3316 target_to_host_timespec(puts, arg3); 3317 } else { 3318 puts = NULL; 3319 } 3320 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 3321 if (!is_error(ret) && arg2) { 3322 p = lock_user(arg2, sizeof(target_sigset_t), 0); 3323 host_to_target_siginfo(p, &uinfo); 3324 unlock_user(p, arg2, sizeof(target_sigset_t)); 3325 } 3326 } 3327 break; 3328 case TARGET_NR_rt_sigqueueinfo: 3329 { 3330 siginfo_t uinfo; 3331 p = lock_user(arg3, sizeof(target_sigset_t), 1); 3332 target_to_host_siginfo(&uinfo, p); 3333 unlock_user(p, arg1, 0); 3334 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 3335 } 3336 break; 3337 #ifdef TARGET_NR_sigreturn 3338 case TARGET_NR_sigreturn: 3339 /* NOTE: ret is eax, so not transcoding must be done */ 3340 ret = do_sigreturn(cpu_env); 3341 break; 3342 #endif 3343 case TARGET_NR_rt_sigreturn: 3344 /* NOTE: ret is eax, so not transcoding must be done */ 3345 ret = do_rt_sigreturn(cpu_env); 3346 break; 3347 case TARGET_NR_sethostname: 3348 p = lock_user_string(arg1); 3349 ret = get_errno(sethostname(p, arg2)); 3350 unlock_user(p, arg1, 0); 3351 break; 3352 case TARGET_NR_setrlimit: 3353 { 3354 /* XXX: convert resource ? */ 3355 int resource = arg1; 3356 struct target_rlimit *target_rlim; 3357 struct rlimit rlim; 3358 lock_user_struct(target_rlim, arg2, 1); 3359 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3360 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3361 unlock_user_struct(target_rlim, arg2, 0); 3362 ret = get_errno(setrlimit(resource, &rlim)); 3363 } 3364 break; 3365 case TARGET_NR_getrlimit: 3366 { 3367 /* XXX: convert resource ? */ 3368 int resource = arg1; 3369 struct target_rlimit *target_rlim; 3370 struct rlimit rlim; 3371 3372 ret = get_errno(getrlimit(resource, &rlim)); 3373 if (!is_error(ret)) { 3374 lock_user_struct(target_rlim, arg2, 0); 3375 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3376 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3377 unlock_user_struct(target_rlim, arg2, 1); 3378 } 3379 } 3380 break; 3381 case TARGET_NR_getrusage: 3382 { 3383 struct rusage rusage; 3384 ret = get_errno(getrusage(arg1, &rusage)); 3385 if (!is_error(ret)) { 3386 host_to_target_rusage(arg2, &rusage); 3387 } 3388 } 3389 break; 3390 case TARGET_NR_gettimeofday: 3391 { 3392 struct timeval tv; 3393 ret = get_errno(gettimeofday(&tv, NULL)); 3394 if (!is_error(ret)) { 3395 host_to_target_timeval(arg1, &tv); 3396 } 3397 } 3398 break; 3399 case TARGET_NR_settimeofday: 3400 { 3401 struct timeval tv; 3402 target_to_host_timeval(&tv, arg1); 3403 ret = get_errno(settimeofday(&tv, NULL)); 3404 } 3405 break; 3406 #ifdef TARGET_NR_select 3407 case TARGET_NR_select: 3408 { 3409 struct target_sel_arg_struct *sel; 3410 target_ulong inp, outp, exp, tvp; 3411 long nsel; 3412 3413 lock_user_struct(sel, arg1, 1); 3414 nsel = tswapl(sel->n); 3415 inp = tswapl(sel->inp); 3416 outp = tswapl(sel->outp); 3417 exp = tswapl(sel->exp); 3418 tvp = tswapl(sel->tvp); 3419 unlock_user_struct(sel, arg1, 0); 3420 ret = do_select(nsel, inp, outp, exp, tvp); 3421 } 3422 break; 3423 #endif 3424 case TARGET_NR_symlink: 3425 { 3426 void *p2; 3427 p = lock_user_string(arg1); 3428 p2 = lock_user_string(arg2); 3429 ret = get_errno(symlink(p, p2)); 3430 unlock_user(p2, arg2, 0); 3431 unlock_user(p, arg1, 0); 3432 } 3433 break; 3434 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) 3435 case TARGET_NR_symlinkat: 3436 if (!arg1 || !arg3) { 3437 ret = -EFAULT; 3438 goto fail; 3439 } 3440 { 3441 void *p2 = NULL; 3442 p = lock_user_string(arg1); 3443 p2 = lock_user_string(arg3); 3444 if (!access_ok(VERIFY_READ, p, 1) 3445 || !access_ok(VERIFY_READ, p2, 1)) 3446 ret = -EFAULT; 3447 else 3448 ret = get_errno(sys_symlinkat(p, arg2, p2)); 3449 if (p2) 3450 unlock_user(p2, arg3, 0); 3451 if (p) 3452 unlock_user(p, arg1, 0); 3453 } 3454 break; 3455 #endif 3456 #ifdef TARGET_NR_oldlstat 3457 case TARGET_NR_oldlstat: 3458 goto unimplemented; 3459 #endif 3460 case TARGET_NR_readlink: 3461 { 3462 void *p2; 3463 p = lock_user_string(arg1); 3464 p2 = lock_user(arg2, arg3, 0); 3465 ret = get_errno(readlink(path(p), p2, arg3)); 3466 unlock_user(p2, arg2, ret); 3467 unlock_user(p, arg1, 0); 3468 } 3469 break; 3470 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) 3471 case TARGET_NR_readlinkat: 3472 if (!arg2 || !arg3) { 3473 ret = -EFAULT; 3474 goto fail; 3475 } 3476 { 3477 void *p2 = NULL; 3478 p = lock_user_string(arg2); 3479 p2 = lock_user(arg3, arg4, 0); 3480 if (!access_ok(VERIFY_READ, p, 1) 3481 || !access_ok(VERIFY_READ, p2, 1)) 3482 ret = -EFAULT; 3483 else 3484 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); 3485 if (p2) 3486 unlock_user(p2, arg3, ret); 3487 if (p) 3488 unlock_user(p, arg2, 0); 3489 } 3490 break; 3491 #endif 3492 #ifdef TARGET_NR_uselib 3493 case TARGET_NR_uselib: 3494 goto unimplemented; 3495 #endif 3496 #ifdef TARGET_NR_swapon 3497 case TARGET_NR_swapon: 3498 p = lock_user_string(arg1); 3499 ret = get_errno(swapon(p, arg2)); 3500 unlock_user(p, arg1, 0); 3501 break; 3502 #endif 3503 case TARGET_NR_reboot: 3504 goto unimplemented; 3505 #ifdef TARGET_NR_readdir 3506 case TARGET_NR_readdir: 3507 goto unimplemented; 3508 #endif 3509 #ifdef TARGET_NR_mmap 3510 case TARGET_NR_mmap: 3511 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) 3512 { 3513 target_ulong *v; 3514 target_ulong v1, v2, v3, v4, v5, v6; 3515 v = lock_user(arg1, 6 * sizeof(target_ulong), 1); 3516 v1 = tswapl(v[0]); 3517 v2 = tswapl(v[1]); 3518 v3 = tswapl(v[2]); 3519 v4 = tswapl(v[3]); 3520 v5 = tswapl(v[4]); 3521 v6 = tswapl(v[5]); 3522 unlock_user(v, arg1, 0); 3523 ret = get_errno(target_mmap(v1, v2, v3, 3524 target_to_host_bitmask(v4, mmap_flags_tbl), 3525 v5, v6)); 3526 } 3527 #else 3528 ret = get_errno(target_mmap(arg1, arg2, arg3, 3529 target_to_host_bitmask(arg4, mmap_flags_tbl), 3530 arg5, 3531 arg6)); 3532 #endif 3533 break; 3534 #endif 3535 #ifdef TARGET_NR_mmap2 3536 case TARGET_NR_mmap2: 3537 #if defined(TARGET_SPARC) || defined(TARGET_MIPS) 3538 #define MMAP_SHIFT 12 3539 #else 3540 #define MMAP_SHIFT TARGET_PAGE_BITS 3541 #endif 3542 ret = get_errno(target_mmap(arg1, arg2, arg3, 3543 target_to_host_bitmask(arg4, mmap_flags_tbl), 3544 arg5, 3545 arg6 << MMAP_SHIFT)); 3546 break; 3547 #endif 3548 case TARGET_NR_munmap: 3549 ret = get_errno(target_munmap(arg1, arg2)); 3550 break; 3551 case TARGET_NR_mprotect: 3552 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 3553 break; 3554 #ifdef TARGET_NR_mremap 3555 case TARGET_NR_mremap: 3556 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 3557 break; 3558 #endif 3559 /* ??? msync/mlock/munlock are broken for softmmu. */ 3560 #ifdef TARGET_NR_msync 3561 case TARGET_NR_msync: 3562 ret = get_errno(msync(g2h(arg1), arg2, arg3)); 3563 break; 3564 #endif 3565 #ifdef TARGET_NR_mlock 3566 case TARGET_NR_mlock: 3567 ret = get_errno(mlock(g2h(arg1), arg2)); 3568 break; 3569 #endif 3570 #ifdef TARGET_NR_munlock 3571 case TARGET_NR_munlock: 3572 ret = get_errno(munlock(g2h(arg1), arg2)); 3573 break; 3574 #endif 3575 #ifdef TARGET_NR_mlockall 3576 case TARGET_NR_mlockall: 3577 ret = get_errno(mlockall(arg1)); 3578 break; 3579 #endif 3580 #ifdef TARGET_NR_munlockall 3581 case TARGET_NR_munlockall: 3582 ret = get_errno(munlockall()); 3583 break; 3584 #endif 3585 case TARGET_NR_truncate: 3586 p = lock_user_string(arg1); 3587 ret = get_errno(truncate(p, arg2)); 3588 unlock_user(p, arg1, 0); 3589 break; 3590 case TARGET_NR_ftruncate: 3591 ret = get_errno(ftruncate(arg1, arg2)); 3592 break; 3593 case TARGET_NR_fchmod: 3594 ret = get_errno(fchmod(arg1, arg2)); 3595 break; 3596 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) 3597 case TARGET_NR_fchmodat: 3598 if (!arg2) { 3599 ret = -EFAULT; 3600 goto fail; 3601 } 3602 p = lock_user_string(arg2); 3603 if (!access_ok(VERIFY_READ, p, 1)) 3604 ret = -EFAULT; 3605 else 3606 ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4)); 3607 if (p) 3608 unlock_user(p, arg2, 0); 3609 break; 3610 #endif 3611 case TARGET_NR_getpriority: 3612 /* libc does special remapping of the return value of 3613 * sys_getpriority() so it's just easiest to call 3614 * sys_getpriority() directly rather than through libc. */ 3615 ret = sys_getpriority(arg1, arg2); 3616 break; 3617 case TARGET_NR_setpriority: 3618 ret = get_errno(setpriority(arg1, arg2, arg3)); 3619 break; 3620 #ifdef TARGET_NR_profil 3621 case TARGET_NR_profil: 3622 goto unimplemented; 3623 #endif 3624 case TARGET_NR_statfs: 3625 p = lock_user_string(arg1); 3626 ret = get_errno(statfs(path(p), &stfs)); 3627 unlock_user(p, arg1, 0); 3628 convert_statfs: 3629 if (!is_error(ret)) { 3630 struct target_statfs *target_stfs; 3631 3632 lock_user_struct(target_stfs, arg2, 0); 3633 /* ??? put_user is probably wrong. */ 3634 put_user(stfs.f_type, &target_stfs->f_type); 3635 put_user(stfs.f_bsize, &target_stfs->f_bsize); 3636 put_user(stfs.f_blocks, &target_stfs->f_blocks); 3637 put_user(stfs.f_bfree, &target_stfs->f_bfree); 3638 put_user(stfs.f_bavail, &target_stfs->f_bavail); 3639 put_user(stfs.f_files, &target_stfs->f_files); 3640 put_user(stfs.f_ffree, &target_stfs->f_ffree); 3641 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); 3642 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); 3643 put_user(stfs.f_namelen, &target_stfs->f_namelen); 3644 unlock_user_struct(target_stfs, arg2, 1); 3645 } 3646 break; 3647 case TARGET_NR_fstatfs: 3648 ret = get_errno(fstatfs(arg1, &stfs)); 3649 goto convert_statfs; 3650 #ifdef TARGET_NR_statfs64 3651 case TARGET_NR_statfs64: 3652 p = lock_user_string(arg1); 3653 ret = get_errno(statfs(path(p), &stfs)); 3654 unlock_user(p, arg1, 0); 3655 convert_statfs64: 3656 if (!is_error(ret)) { 3657 struct target_statfs64 *target_stfs; 3658 3659 lock_user_struct(target_stfs, arg3, 0); 3660 /* ??? put_user is probably wrong. */ 3661 put_user(stfs.f_type, &target_stfs->f_type); 3662 put_user(stfs.f_bsize, &target_stfs->f_bsize); 3663 put_user(stfs.f_blocks, &target_stfs->f_blocks); 3664 put_user(stfs.f_bfree, &target_stfs->f_bfree); 3665 put_user(stfs.f_bavail, &target_stfs->f_bavail); 3666 put_user(stfs.f_files, &target_stfs->f_files); 3667 put_user(stfs.f_ffree, &target_stfs->f_ffree); 3668 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); 3669 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); 3670 put_user(stfs.f_namelen, &target_stfs->f_namelen); 3671 unlock_user_struct(target_stfs, arg3, 0); 3672 } 3673 break; 3674 case TARGET_NR_fstatfs64: 3675 ret = get_errno(fstatfs(arg1, &stfs)); 3676 goto convert_statfs64; 3677 #endif 3678 #ifdef TARGET_NR_ioperm 3679 case TARGET_NR_ioperm: 3680 goto unimplemented; 3681 #endif 3682 #ifdef TARGET_NR_socketcall 3683 case TARGET_NR_socketcall: 3684 ret = do_socketcall(arg1, arg2); 3685 break; 3686 #endif 3687 #ifdef TARGET_NR_accept 3688 case TARGET_NR_accept: 3689 ret = do_accept(arg1, arg2, arg3); 3690 break; 3691 #endif 3692 #ifdef TARGET_NR_bind 3693 case TARGET_NR_bind: 3694 ret = do_bind(arg1, arg2, arg3); 3695 break; 3696 #endif 3697 #ifdef TARGET_NR_connect 3698 case TARGET_NR_connect: 3699 ret = do_connect(arg1, arg2, arg3); 3700 break; 3701 #endif 3702 #ifdef TARGET_NR_getpeername 3703 case TARGET_NR_getpeername: 3704 ret = do_getpeername(arg1, arg2, arg3); 3705 break; 3706 #endif 3707 #ifdef TARGET_NR_getsockname 3708 case TARGET_NR_getsockname: 3709 ret = do_getsockname(arg1, arg2, arg3); 3710 break; 3711 #endif 3712 #ifdef TARGET_NR_getsockopt 3713 case TARGET_NR_getsockopt: 3714 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); 3715 break; 3716 #endif 3717 #ifdef TARGET_NR_listen 3718 case TARGET_NR_listen: 3719 ret = get_errno(listen(arg1, arg2)); 3720 break; 3721 #endif 3722 #ifdef TARGET_NR_recv 3723 case TARGET_NR_recv: 3724 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); 3725 break; 3726 #endif 3727 #ifdef TARGET_NR_recvfrom 3728 case TARGET_NR_recvfrom: 3729 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); 3730 break; 3731 #endif 3732 #ifdef TARGET_NR_recvmsg 3733 case TARGET_NR_recvmsg: 3734 ret = do_sendrecvmsg(arg1, arg2, arg3, 0); 3735 break; 3736 #endif 3737 #ifdef TARGET_NR_send 3738 case TARGET_NR_send: 3739 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); 3740 break; 3741 #endif 3742 #ifdef TARGET_NR_sendmsg 3743 case TARGET_NR_sendmsg: 3744 ret = do_sendrecvmsg(arg1, arg2, arg3, 1); 3745 break; 3746 #endif 3747 #ifdef TARGET_NR_sendto 3748 case TARGET_NR_sendto: 3749 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); 3750 break; 3751 #endif 3752 #ifdef TARGET_NR_shutdown 3753 case TARGET_NR_shutdown: 3754 ret = get_errno(shutdown(arg1, arg2)); 3755 break; 3756 #endif 3757 #ifdef TARGET_NR_socket 3758 case TARGET_NR_socket: 3759 ret = do_socket(arg1, arg2, arg3); 3760 break; 3761 #endif 3762 #ifdef TARGET_NR_socketpair 3763 case TARGET_NR_socketpair: 3764 ret = do_socketpair(arg1, arg2, arg3, arg4); 3765 break; 3766 #endif 3767 #ifdef TARGET_NR_setsockopt 3768 case TARGET_NR_setsockopt: 3769 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); 3770 break; 3771 #endif 3772 3773 case TARGET_NR_syslog: 3774 p = lock_user_string(arg2); 3775 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); 3776 unlock_user(p, arg2, 0); 3777 break; 3778 3779 case TARGET_NR_setitimer: 3780 { 3781 struct itimerval value, ovalue, *pvalue; 3782 3783 if (arg2) { 3784 pvalue = &value; 3785 target_to_host_timeval(&pvalue->it_interval, 3786 arg2); 3787 target_to_host_timeval(&pvalue->it_value, 3788 arg2 + sizeof(struct target_timeval)); 3789 } else { 3790 pvalue = NULL; 3791 } 3792 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 3793 if (!is_error(ret) && arg3) { 3794 host_to_target_timeval(arg3, 3795 &ovalue.it_interval); 3796 host_to_target_timeval(arg3 + sizeof(struct target_timeval), 3797 &ovalue.it_value); 3798 } 3799 } 3800 break; 3801 case TARGET_NR_getitimer: 3802 { 3803 struct itimerval value; 3804 3805 ret = get_errno(getitimer(arg1, &value)); 3806 if (!is_error(ret) && arg2) { 3807 host_to_target_timeval(arg2, 3808 &value.it_interval); 3809 host_to_target_timeval(arg2 + sizeof(struct target_timeval), 3810 &value.it_value); 3811 } 3812 } 3813 break; 3814 case TARGET_NR_stat: 3815 p = lock_user_string(arg1); 3816 ret = get_errno(stat(path(p), &st)); 3817 unlock_user(p, arg1, 0); 3818 goto do_stat; 3819 case TARGET_NR_lstat: 3820 p = lock_user_string(arg1); 3821 ret = get_errno(lstat(path(p), &st)); 3822 unlock_user(p, arg1, 0); 3823 goto do_stat; 3824 case TARGET_NR_fstat: 3825 { 3826 ret = get_errno(fstat(arg1, &st)); 3827 do_stat: 3828 if (!is_error(ret)) { 3829 struct target_stat *target_st; 3830 3831 lock_user_struct(target_st, arg2, 0); 3832 #if defined(TARGET_MIPS) || defined(TARGET_SPARC64) 3833 target_st->st_dev = tswap32(st.st_dev); 3834 #else 3835 target_st->st_dev = tswap16(st.st_dev); 3836 #endif 3837 target_st->st_ino = tswapl(st.st_ino); 3838 #if defined(TARGET_PPC) || defined(TARGET_MIPS) 3839 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ 3840 target_st->st_uid = tswap32(st.st_uid); 3841 target_st->st_gid = tswap32(st.st_gid); 3842 #elif defined(TARGET_SPARC64) 3843 target_st->st_mode = tswap32(st.st_mode); 3844 target_st->st_uid = tswap32(st.st_uid); 3845 target_st->st_gid = tswap32(st.st_gid); 3846 #else 3847 target_st->st_mode = tswap16(st.st_mode); 3848 target_st->st_uid = tswap16(st.st_uid); 3849 target_st->st_gid = tswap16(st.st_gid); 3850 #endif 3851 #if defined(TARGET_MIPS) 3852 /* If this is the same on PPC, then just merge w/ the above ifdef */ 3853 target_st->st_nlink = tswapl(st.st_nlink); 3854 target_st->st_rdev = tswapl(st.st_rdev); 3855 #elif defined(TARGET_SPARC64) 3856 target_st->st_nlink = tswap32(st.st_nlink); 3857 target_st->st_rdev = tswap32(st.st_rdev); 3858 #else 3859 target_st->st_nlink = tswap16(st.st_nlink); 3860 target_st->st_rdev = tswap16(st.st_rdev); 3861 #endif 3862 target_st->st_size = tswapl(st.st_size); 3863 target_st->st_blksize = tswapl(st.st_blksize); 3864 target_st->st_blocks = tswapl(st.st_blocks); 3865 target_st->target_st_atime = tswapl(st.st_atime); 3866 target_st->target_st_mtime = tswapl(st.st_mtime); 3867 target_st->target_st_ctime = tswapl(st.st_ctime); 3868 unlock_user_struct(target_st, arg2, 1); 3869 } 3870 } 3871 break; 3872 #ifdef TARGET_NR_olduname 3873 case TARGET_NR_olduname: 3874 goto unimplemented; 3875 #endif 3876 #ifdef TARGET_NR_iopl 3877 case TARGET_NR_iopl: 3878 goto unimplemented; 3879 #endif 3880 case TARGET_NR_vhangup: 3881 ret = get_errno(vhangup()); 3882 break; 3883 #ifdef TARGET_NR_idle 3884 case TARGET_NR_idle: 3885 goto unimplemented; 3886 #endif 3887 #ifdef TARGET_NR_syscall 3888 case TARGET_NR_syscall: 3889 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 3890 break; 3891 #endif 3892 case TARGET_NR_wait4: 3893 { 3894 int status; 3895 target_long status_ptr = arg2; 3896 struct rusage rusage, *rusage_ptr; 3897 target_ulong target_rusage = arg4; 3898 if (target_rusage) 3899 rusage_ptr = &rusage; 3900 else 3901 rusage_ptr = NULL; 3902 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 3903 if (!is_error(ret)) { 3904 if (status_ptr) 3905 tputl(status_ptr, status); 3906 if (target_rusage) { 3907 host_to_target_rusage(target_rusage, &rusage); 3908 } 3909 } 3910 } 3911 break; 3912 #ifdef TARGET_NR_swapoff 3913 case TARGET_NR_swapoff: 3914 p = lock_user_string(arg1); 3915 ret = get_errno(swapoff(p)); 3916 unlock_user(p, arg1, 0); 3917 break; 3918 #endif 3919 case TARGET_NR_sysinfo: 3920 { 3921 struct target_sysinfo *target_value; 3922 struct sysinfo value; 3923 ret = get_errno(sysinfo(&value)); 3924 if (!is_error(ret) && arg1) 3925 { 3926 /* ??? __put_user is probably wrong. */ 3927 lock_user_struct(target_value, arg1, 0); 3928 __put_user(value.uptime, &target_value->uptime); 3929 __put_user(value.loads[0], &target_value->loads[0]); 3930 __put_user(value.loads[1], &target_value->loads[1]); 3931 __put_user(value.loads[2], &target_value->loads[2]); 3932 __put_user(value.totalram, &target_value->totalram); 3933 __put_user(value.freeram, &target_value->freeram); 3934 __put_user(value.sharedram, &target_value->sharedram); 3935 __put_user(value.bufferram, &target_value->bufferram); 3936 __put_user(value.totalswap, &target_value->totalswap); 3937 __put_user(value.freeswap, &target_value->freeswap); 3938 __put_user(value.procs, &target_value->procs); 3939 __put_user(value.totalhigh, &target_value->totalhigh); 3940 __put_user(value.freehigh, &target_value->freehigh); 3941 __put_user(value.mem_unit, &target_value->mem_unit); 3942 unlock_user_struct(target_value, arg1, 1); 3943 } 3944 } 3945 break; 3946 #ifdef TARGET_NR_ipc 3947 case TARGET_NR_ipc: 3948 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 3949 break; 3950 #endif 3951 case TARGET_NR_fsync: 3952 ret = get_errno(fsync(arg1)); 3953 break; 3954 case TARGET_NR_clone: 3955 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 3956 break; 3957 #ifdef __NR_exit_group 3958 /* new thread calls */ 3959 case TARGET_NR_exit_group: 3960 gdb_exit(cpu_env, arg1); 3961 ret = get_errno(exit_group(arg1)); 3962 break; 3963 #endif 3964 case TARGET_NR_setdomainname: 3965 p = lock_user_string(arg1); 3966 ret = get_errno(setdomainname(p, arg2)); 3967 unlock_user(p, arg1, 0); 3968 break; 3969 case TARGET_NR_uname: 3970 /* no need to transcode because we use the linux syscall */ 3971 { 3972 struct new_utsname * buf; 3973 3974 lock_user_struct(buf, arg1, 0); 3975 ret = get_errno(sys_uname(buf)); 3976 if (!is_error(ret)) { 3977 /* Overrite the native machine name with whatever is being 3978 emulated. */ 3979 strcpy (buf->machine, UNAME_MACHINE); 3980 /* Allow the user to override the reported release. */ 3981 if (qemu_uname_release && *qemu_uname_release) 3982 strcpy (buf->release, qemu_uname_release); 3983 } 3984 unlock_user_struct(buf, arg1, 1); 3985 } 3986 break; 3987 #ifdef TARGET_I386 3988 case TARGET_NR_modify_ldt: 3989 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3)); 3990 break; 3991 #if !defined(TARGET_X86_64) 3992 case TARGET_NR_vm86old: 3993 goto unimplemented; 3994 case TARGET_NR_vm86: 3995 ret = do_vm86(cpu_env, arg1, arg2); 3996 break; 3997 #endif 3998 #endif 3999 case TARGET_NR_adjtimex: 4000 goto unimplemented; 4001 #ifdef TARGET_NR_create_module 4002 case TARGET_NR_create_module: 4003 #endif 4004 case TARGET_NR_init_module: 4005 case TARGET_NR_delete_module: 4006 #ifdef TARGET_NR_get_kernel_syms 4007 case TARGET_NR_get_kernel_syms: 4008 #endif 4009 goto unimplemented; 4010 case TARGET_NR_quotactl: 4011 goto unimplemented; 4012 case TARGET_NR_getpgid: 4013 ret = get_errno(getpgid(arg1)); 4014 break; 4015 case TARGET_NR_fchdir: 4016 ret = get_errno(fchdir(arg1)); 4017 break; 4018 #ifdef TARGET_NR_bdflush /* not on x86_64 */ 4019 case TARGET_NR_bdflush: 4020 goto unimplemented; 4021 #endif 4022 #ifdef TARGET_NR_sysfs 4023 case TARGET_NR_sysfs: 4024 goto unimplemented; 4025 #endif 4026 case TARGET_NR_personality: 4027 ret = get_errno(personality(arg1)); 4028 break; 4029 #ifdef TARGET_NR_afs_syscall 4030 case TARGET_NR_afs_syscall: 4031 goto unimplemented; 4032 #endif 4033 #ifdef TARGET_NR__llseek /* Not on alpha */ 4034 case TARGET_NR__llseek: 4035 { 4036 #if defined (__x86_64__) 4037 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 4038 tput64(arg4, ret); 4039 #else 4040 int64_t res; 4041 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 4042 tput64(arg4, res); 4043 #endif 4044 } 4045 break; 4046 #endif 4047 case TARGET_NR_getdents: 4048 #if TARGET_LONG_SIZE != 4 4049 goto unimplemented; 4050 #warning not supported 4051 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8 4052 { 4053 struct target_dirent *target_dirp; 4054 struct dirent *dirp; 4055 target_long count = arg3; 4056 4057 dirp = malloc(count); 4058 if (!dirp) 4059 return -ENOMEM; 4060 4061 ret = get_errno(sys_getdents(arg1, dirp, count)); 4062 if (!is_error(ret)) { 4063 struct dirent *de; 4064 struct target_dirent *tde; 4065 int len = ret; 4066 int reclen, treclen; 4067 int count1, tnamelen; 4068 4069 count1 = 0; 4070 de = dirp; 4071 target_dirp = lock_user(arg2, count, 0); 4072 tde = target_dirp; 4073 while (len > 0) { 4074 reclen = de->d_reclen; 4075 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long))); 4076 tde->d_reclen = tswap16(treclen); 4077 tde->d_ino = tswapl(de->d_ino); 4078 tde->d_off = tswapl(de->d_off); 4079 tnamelen = treclen - (2 * sizeof(target_long) + 2); 4080 if (tnamelen > 256) 4081 tnamelen = 256; 4082 /* XXX: may not be correct */ 4083 strncpy(tde->d_name, de->d_name, tnamelen); 4084 de = (struct dirent *)((char *)de + reclen); 4085 len -= reclen; 4086 tde = (struct target_dirent *)((char *)tde + treclen); 4087 count1 += treclen; 4088 } 4089 ret = count1; 4090 } 4091 unlock_user(target_dirp, arg2, ret); 4092 free(dirp); 4093 } 4094 #else 4095 { 4096 struct dirent *dirp; 4097 target_long count = arg3; 4098 4099 dirp = lock_user(arg2, count, 0); 4100 ret = get_errno(sys_getdents(arg1, dirp, count)); 4101 if (!is_error(ret)) { 4102 struct dirent *de; 4103 int len = ret; 4104 int reclen; 4105 de = dirp; 4106 while (len > 0) { 4107 reclen = de->d_reclen; 4108 if (reclen > len) 4109 break; 4110 de->d_reclen = tswap16(reclen); 4111 tswapls(&de->d_ino); 4112 tswapls(&de->d_off); 4113 de = (struct dirent *)((char *)de + reclen); 4114 len -= reclen; 4115 } 4116 } 4117 unlock_user(dirp, arg2, ret); 4118 } 4119 #endif 4120 break; 4121 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) 4122 case TARGET_NR_getdents64: 4123 { 4124 struct dirent64 *dirp; 4125 target_long count = arg3; 4126 dirp = lock_user(arg2, count, 0); 4127 ret = get_errno(sys_getdents64(arg1, dirp, count)); 4128 if (!is_error(ret)) { 4129 struct dirent64 *de; 4130 int len = ret; 4131 int reclen; 4132 de = dirp; 4133 while (len > 0) { 4134 reclen = de->d_reclen; 4135 if (reclen > len) 4136 break; 4137 de->d_reclen = tswap16(reclen); 4138 tswap64s(&de->d_ino); 4139 tswap64s(&de->d_off); 4140 de = (struct dirent64 *)((char *)de + reclen); 4141 len -= reclen; 4142 } 4143 } 4144 unlock_user(dirp, arg2, ret); 4145 } 4146 break; 4147 #endif /* TARGET_NR_getdents64 */ 4148 #ifdef TARGET_NR__newselect 4149 case TARGET_NR__newselect: 4150 ret = do_select(arg1, arg2, arg3, arg4, arg5); 4151 break; 4152 #endif 4153 #ifdef TARGET_NR_poll 4154 case TARGET_NR_poll: 4155 { 4156 struct target_pollfd *target_pfd; 4157 unsigned int nfds = arg2; 4158 int timeout = arg3; 4159 struct pollfd *pfd; 4160 unsigned int i; 4161 4162 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1); 4163 pfd = alloca(sizeof(struct pollfd) * nfds); 4164 for(i = 0; i < nfds; i++) { 4165 pfd[i].fd = tswap32(target_pfd[i].fd); 4166 pfd[i].events = tswap16(target_pfd[i].events); 4167 } 4168 ret = get_errno(poll(pfd, nfds, timeout)); 4169 if (!is_error(ret)) { 4170 for(i = 0; i < nfds; i++) { 4171 target_pfd[i].revents = tswap16(pfd[i].revents); 4172 } 4173 ret += nfds * (sizeof(struct target_pollfd) 4174 - sizeof(struct pollfd)); 4175 } 4176 unlock_user(target_pfd, arg1, ret); 4177 } 4178 break; 4179 #endif 4180 case TARGET_NR_flock: 4181 /* NOTE: the flock constant seems to be the same for every 4182 Linux platform */ 4183 ret = get_errno(flock(arg1, arg2)); 4184 break; 4185 case TARGET_NR_readv: 4186 { 4187 int count = arg3; 4188 struct iovec *vec; 4189 4190 vec = alloca(count * sizeof(struct iovec)); 4191 lock_iovec(vec, arg2, count, 0); 4192 ret = get_errno(readv(arg1, vec, count)); 4193 unlock_iovec(vec, arg2, count, 1); 4194 } 4195 break; 4196 case TARGET_NR_writev: 4197 { 4198 int count = arg3; 4199 struct iovec *vec; 4200 4201 vec = alloca(count * sizeof(struct iovec)); 4202 lock_iovec(vec, arg2, count, 1); 4203 ret = get_errno(writev(arg1, vec, count)); 4204 unlock_iovec(vec, arg2, count, 0); 4205 } 4206 break; 4207 case TARGET_NR_getsid: 4208 ret = get_errno(getsid(arg1)); 4209 break; 4210 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ 4211 case TARGET_NR_fdatasync: 4212 ret = get_errno(fdatasync(arg1)); 4213 break; 4214 #endif 4215 case TARGET_NR__sysctl: 4216 /* We don't implement this, but ENODIR is always a safe 4217 return value. */ 4218 return -ENOTDIR; 4219 case TARGET_NR_sched_setparam: 4220 { 4221 struct sched_param *target_schp; 4222 struct sched_param schp; 4223 4224 lock_user_struct(target_schp, arg2, 1); 4225 schp.sched_priority = tswap32(target_schp->sched_priority); 4226 unlock_user_struct(target_schp, arg2, 0); 4227 ret = get_errno(sched_setparam(arg1, &schp)); 4228 } 4229 break; 4230 case TARGET_NR_sched_getparam: 4231 { 4232 struct sched_param *target_schp; 4233 struct sched_param schp; 4234 ret = get_errno(sched_getparam(arg1, &schp)); 4235 if (!is_error(ret)) { 4236 lock_user_struct(target_schp, arg2, 0); 4237 target_schp->sched_priority = tswap32(schp.sched_priority); 4238 unlock_user_struct(target_schp, arg2, 1); 4239 } 4240 } 4241 break; 4242 case TARGET_NR_sched_setscheduler: 4243 { 4244 struct sched_param *target_schp; 4245 struct sched_param schp; 4246 lock_user_struct(target_schp, arg3, 1); 4247 schp.sched_priority = tswap32(target_schp->sched_priority); 4248 unlock_user_struct(target_schp, arg3, 0); 4249 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 4250 } 4251 break; 4252 case TARGET_NR_sched_getscheduler: 4253 ret = get_errno(sched_getscheduler(arg1)); 4254 break; 4255 case TARGET_NR_sched_yield: 4256 ret = get_errno(sched_yield()); 4257 break; 4258 case TARGET_NR_sched_get_priority_max: 4259 ret = get_errno(sched_get_priority_max(arg1)); 4260 break; 4261 case TARGET_NR_sched_get_priority_min: 4262 ret = get_errno(sched_get_priority_min(arg1)); 4263 break; 4264 case TARGET_NR_sched_rr_get_interval: 4265 { 4266 struct timespec ts; 4267 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 4268 if (!is_error(ret)) { 4269 host_to_target_timespec(arg2, &ts); 4270 } 4271 } 4272 break; 4273 case TARGET_NR_nanosleep: 4274 { 4275 struct timespec req, rem; 4276 target_to_host_timespec(&req, arg1); 4277 ret = get_errno(nanosleep(&req, &rem)); 4278 if (is_error(ret) && arg2) { 4279 host_to_target_timespec(arg2, &rem); 4280 } 4281 } 4282 break; 4283 #ifdef TARGET_NR_query_module 4284 case TARGET_NR_query_module: 4285 goto unimplemented; 4286 #endif 4287 #ifdef TARGET_NR_nfsservctl 4288 case TARGET_NR_nfsservctl: 4289 goto unimplemented; 4290 #endif 4291 case TARGET_NR_prctl: 4292 switch (arg1) 4293 { 4294 case PR_GET_PDEATHSIG: 4295 { 4296 int deathsig; 4297 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); 4298 if (!is_error(ret) && arg2) 4299 tput32(arg2, deathsig); 4300 } 4301 break; 4302 default: 4303 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); 4304 break; 4305 } 4306 break; 4307 #ifdef TARGET_NR_pread 4308 case TARGET_NR_pread: 4309 page_unprotect_range(arg2, arg3); 4310 p = lock_user(arg2, arg3, 0); 4311 ret = get_errno(pread(arg1, p, arg3, arg4)); 4312 unlock_user(p, arg2, ret); 4313 break; 4314 case TARGET_NR_pwrite: 4315 p = lock_user(arg2, arg3, 1); 4316 ret = get_errno(pwrite(arg1, p, arg3, arg4)); 4317 unlock_user(p, arg2, 0); 4318 break; 4319 #endif 4320 case TARGET_NR_getcwd: 4321 p = lock_user(arg1, arg2, 0); 4322 ret = get_errno(sys_getcwd1(p, arg2)); 4323 unlock_user(p, arg1, ret); 4324 break; 4325 case TARGET_NR_capget: 4326 goto unimplemented; 4327 case TARGET_NR_capset: 4328 goto unimplemented; 4329 case TARGET_NR_sigaltstack: 4330 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \ 4331 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) 4332 ret = do_sigaltstack((struct target_sigaltstack *)arg1, 4333 (struct target_sigaltstack *)arg2, 4334 get_sp_from_cpustate((CPUState *)cpu_env)); 4335 break; 4336 #else 4337 goto unimplemented; 4338 #endif 4339 case TARGET_NR_sendfile: 4340 goto unimplemented; 4341 #ifdef TARGET_NR_getpmsg 4342 case TARGET_NR_getpmsg: 4343 goto unimplemented; 4344 #endif 4345 #ifdef TARGET_NR_putpmsg 4346 case TARGET_NR_putpmsg: 4347 goto unimplemented; 4348 #endif 4349 #ifdef TARGET_NR_vfork 4350 case TARGET_NR_vfork: 4351 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 4352 break; 4353 #endif 4354 #ifdef TARGET_NR_ugetrlimit 4355 case TARGET_NR_ugetrlimit: 4356 { 4357 struct rlimit rlim; 4358 ret = get_errno(getrlimit(arg1, &rlim)); 4359 if (!is_error(ret)) { 4360 struct target_rlimit *target_rlim; 4361 lock_user_struct(target_rlim, arg2, 0); 4362 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 4363 target_rlim->rlim_max = tswapl(rlim.rlim_max); 4364 unlock_user_struct(target_rlim, arg2, 1); 4365 } 4366 break; 4367 } 4368 #endif 4369 #ifdef TARGET_NR_truncate64 4370 case TARGET_NR_truncate64: 4371 p = lock_user_string(arg1); 4372 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); 4373 unlock_user(p, arg1, 0); 4374 break; 4375 #endif 4376 #ifdef TARGET_NR_ftruncate64 4377 case TARGET_NR_ftruncate64: 4378 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); 4379 break; 4380 #endif 4381 #ifdef TARGET_NR_stat64 4382 case TARGET_NR_stat64: 4383 p = lock_user_string(arg1); 4384 ret = get_errno(stat(path(p), &st)); 4385 unlock_user(p, arg1, 0); 4386 goto do_stat64; 4387 #endif 4388 #ifdef TARGET_NR_lstat64 4389 case TARGET_NR_lstat64: 4390 p = lock_user_string(arg1); 4391 ret = get_errno(lstat(path(p), &st)); 4392 unlock_user(p, arg1, 0); 4393 goto do_stat64; 4394 #endif 4395 #ifdef TARGET_NR_fstat64 4396 case TARGET_NR_fstat64: 4397 { 4398 ret = get_errno(fstat(arg1, &st)); 4399 do_stat64: 4400 if (!is_error(ret)) { 4401 #ifdef TARGET_ARM 4402 if (((CPUARMState *)cpu_env)->eabi) { 4403 struct target_eabi_stat64 *target_st; 4404 lock_user_struct(target_st, arg2, 1); 4405 memset(target_st, 0, sizeof(struct target_eabi_stat64)); 4406 /* put_user is probably wrong. */ 4407 put_user(st.st_dev, &target_st->st_dev); 4408 put_user(st.st_ino, &target_st->st_ino); 4409 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4410 put_user(st.st_ino, &target_st->__st_ino); 4411 #endif 4412 put_user(st.st_mode, &target_st->st_mode); 4413 put_user(st.st_nlink, &target_st->st_nlink); 4414 put_user(st.st_uid, &target_st->st_uid); 4415 put_user(st.st_gid, &target_st->st_gid); 4416 put_user(st.st_rdev, &target_st->st_rdev); 4417 /* XXX: better use of kernel struct */ 4418 put_user(st.st_size, &target_st->st_size); 4419 put_user(st.st_blksize, &target_st->st_blksize); 4420 put_user(st.st_blocks, &target_st->st_blocks); 4421 put_user(st.st_atime, &target_st->target_st_atime); 4422 put_user(st.st_mtime, &target_st->target_st_mtime); 4423 put_user(st.st_ctime, &target_st->target_st_ctime); 4424 unlock_user_struct(target_st, arg2, 0); 4425 } else 4426 #endif 4427 { 4428 struct target_stat64 *target_st; 4429 lock_user_struct(target_st, arg2, 1); 4430 memset(target_st, 0, sizeof(struct target_stat64)); 4431 /* ??? put_user is probably wrong. */ 4432 put_user(st.st_dev, &target_st->st_dev); 4433 put_user(st.st_ino, &target_st->st_ino); 4434 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4435 put_user(st.st_ino, &target_st->__st_ino); 4436 #endif 4437 put_user(st.st_mode, &target_st->st_mode); 4438 put_user(st.st_nlink, &target_st->st_nlink); 4439 put_user(st.st_uid, &target_st->st_uid); 4440 put_user(st.st_gid, &target_st->st_gid); 4441 put_user(st.st_rdev, &target_st->st_rdev); 4442 /* XXX: better use of kernel struct */ 4443 put_user(st.st_size, &target_st->st_size); 4444 put_user(st.st_blksize, &target_st->st_blksize); 4445 put_user(st.st_blocks, &target_st->st_blocks); 4446 put_user(st.st_atime, &target_st->target_st_atime); 4447 put_user(st.st_mtime, &target_st->target_st_mtime); 4448 put_user(st.st_ctime, &target_st->target_st_ctime); 4449 unlock_user_struct(target_st, arg2, 0); 4450 } 4451 } 4452 } 4453 break; 4454 #endif 4455 #ifdef USE_UID16 4456 case TARGET_NR_lchown: 4457 p = lock_user_string(arg1); 4458 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); 4459 unlock_user(p, arg1, 0); 4460 break; 4461 case TARGET_NR_getuid: 4462 ret = get_errno(high2lowuid(getuid())); 4463 break; 4464 case TARGET_NR_getgid: 4465 ret = get_errno(high2lowgid(getgid())); 4466 break; 4467 case TARGET_NR_geteuid: 4468 ret = get_errno(high2lowuid(geteuid())); 4469 break; 4470 case TARGET_NR_getegid: 4471 ret = get_errno(high2lowgid(getegid())); 4472 break; 4473 case TARGET_NR_setreuid: 4474 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 4475 break; 4476 case TARGET_NR_setregid: 4477 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 4478 break; 4479 case TARGET_NR_getgroups: 4480 { 4481 int gidsetsize = arg1; 4482 uint16_t *target_grouplist; 4483 gid_t *grouplist; 4484 int i; 4485 4486 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4487 ret = get_errno(getgroups(gidsetsize, grouplist)); 4488 if (!is_error(ret)) { 4489 target_grouplist = lock_user(arg2, gidsetsize * 2, 0); 4490 for(i = 0;i < gidsetsize; i++) 4491 target_grouplist[i] = tswap16(grouplist[i]); 4492 unlock_user(target_grouplist, arg2, gidsetsize * 2); 4493 } 4494 } 4495 break; 4496 case TARGET_NR_setgroups: 4497 { 4498 int gidsetsize = arg1; 4499 uint16_t *target_grouplist; 4500 gid_t *grouplist; 4501 int i; 4502 4503 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4504 target_grouplist = lock_user(arg2, gidsetsize * 2, 1); 4505 for(i = 0;i < gidsetsize; i++) 4506 grouplist[i] = tswap16(target_grouplist[i]); 4507 unlock_user(target_grouplist, arg2, 0); 4508 ret = get_errno(setgroups(gidsetsize, grouplist)); 4509 } 4510 break; 4511 case TARGET_NR_fchown: 4512 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 4513 break; 4514 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) 4515 case TARGET_NR_fchownat: 4516 if (!arg2) { 4517 ret = -EFAULT; 4518 goto fail; 4519 } 4520 p = lock_user_string(arg2); 4521 if (!access_ok(VERIFY_READ, p, 1)) 4522 ret = -EFAULT; 4523 else 4524 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); 4525 if (p) 4526 unlock_user(p, arg2, 0); 4527 break; 4528 #endif 4529 #ifdef TARGET_NR_setresuid 4530 case TARGET_NR_setresuid: 4531 ret = get_errno(setresuid(low2highuid(arg1), 4532 low2highuid(arg2), 4533 low2highuid(arg3))); 4534 break; 4535 #endif 4536 #ifdef TARGET_NR_getresuid 4537 case TARGET_NR_getresuid: 4538 { 4539 uid_t ruid, euid, suid; 4540 ret = get_errno(getresuid(&ruid, &euid, &suid)); 4541 if (!is_error(ret)) { 4542 tput16(arg1, tswap16(high2lowuid(ruid))); 4543 tput16(arg2, tswap16(high2lowuid(euid))); 4544 tput16(arg3, tswap16(high2lowuid(suid))); 4545 } 4546 } 4547 break; 4548 #endif 4549 #ifdef TARGET_NR_getresgid 4550 case TARGET_NR_setresgid: 4551 ret = get_errno(setresgid(low2highgid(arg1), 4552 low2highgid(arg2), 4553 low2highgid(arg3))); 4554 break; 4555 #endif 4556 #ifdef TARGET_NR_getresgid 4557 case TARGET_NR_getresgid: 4558 { 4559 gid_t rgid, egid, sgid; 4560 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 4561 if (!is_error(ret)) { 4562 tput16(arg1, tswap16(high2lowgid(rgid))); 4563 tput16(arg2, tswap16(high2lowgid(egid))); 4564 tput16(arg3, tswap16(high2lowgid(sgid))); 4565 } 4566 } 4567 break; 4568 #endif 4569 case TARGET_NR_chown: 4570 p = lock_user_string(arg1); 4571 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); 4572 unlock_user(p, arg1, 0); 4573 break; 4574 case TARGET_NR_setuid: 4575 ret = get_errno(setuid(low2highuid(arg1))); 4576 break; 4577 case TARGET_NR_setgid: 4578 ret = get_errno(setgid(low2highgid(arg1))); 4579 break; 4580 case TARGET_NR_setfsuid: 4581 ret = get_errno(setfsuid(arg1)); 4582 break; 4583 case TARGET_NR_setfsgid: 4584 ret = get_errno(setfsgid(arg1)); 4585 break; 4586 #endif /* USE_UID16 */ 4587 4588 #ifdef TARGET_NR_lchown32 4589 case TARGET_NR_lchown32: 4590 p = lock_user_string(arg1); 4591 ret = get_errno(lchown(p, arg2, arg3)); 4592 unlock_user(p, arg1, 0); 4593 break; 4594 #endif 4595 #ifdef TARGET_NR_getuid32 4596 case TARGET_NR_getuid32: 4597 ret = get_errno(getuid()); 4598 break; 4599 #endif 4600 #ifdef TARGET_NR_getgid32 4601 case TARGET_NR_getgid32: 4602 ret = get_errno(getgid()); 4603 break; 4604 #endif 4605 #ifdef TARGET_NR_geteuid32 4606 case TARGET_NR_geteuid32: 4607 ret = get_errno(geteuid()); 4608 break; 4609 #endif 4610 #ifdef TARGET_NR_getegid32 4611 case TARGET_NR_getegid32: 4612 ret = get_errno(getegid()); 4613 break; 4614 #endif 4615 #ifdef TARGET_NR_setreuid32 4616 case TARGET_NR_setreuid32: 4617 ret = get_errno(setreuid(arg1, arg2)); 4618 break; 4619 #endif 4620 #ifdef TARGET_NR_setregid32 4621 case TARGET_NR_setregid32: 4622 ret = get_errno(setregid(arg1, arg2)); 4623 break; 4624 #endif 4625 #ifdef TARGET_NR_getgroups32 4626 case TARGET_NR_getgroups32: 4627 { 4628 int gidsetsize = arg1; 4629 uint32_t *target_grouplist; 4630 gid_t *grouplist; 4631 int i; 4632 4633 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4634 ret = get_errno(getgroups(gidsetsize, grouplist)); 4635 if (!is_error(ret)) { 4636 target_grouplist = lock_user(arg2, gidsetsize * 4, 0); 4637 for(i = 0;i < gidsetsize; i++) 4638 target_grouplist[i] = tswap32(grouplist[i]); 4639 unlock_user(target_grouplist, arg2, gidsetsize * 4); 4640 } 4641 } 4642 break; 4643 #endif 4644 #ifdef TARGET_NR_setgroups32 4645 case TARGET_NR_setgroups32: 4646 { 4647 int gidsetsize = arg1; 4648 uint32_t *target_grouplist; 4649 gid_t *grouplist; 4650 int i; 4651 4652 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4653 target_grouplist = lock_user(arg2, gidsetsize * 4, 1); 4654 for(i = 0;i < gidsetsize; i++) 4655 grouplist[i] = tswap32(target_grouplist[i]); 4656 unlock_user(target_grouplist, arg2, 0); 4657 ret = get_errno(setgroups(gidsetsize, grouplist)); 4658 } 4659 break; 4660 #endif 4661 #ifdef TARGET_NR_fchown32 4662 case TARGET_NR_fchown32: 4663 ret = get_errno(fchown(arg1, arg2, arg3)); 4664 break; 4665 #endif 4666 #ifdef TARGET_NR_setresuid32 4667 case TARGET_NR_setresuid32: 4668 ret = get_errno(setresuid(arg1, arg2, arg3)); 4669 break; 4670 #endif 4671 #ifdef TARGET_NR_getresuid32 4672 case TARGET_NR_getresuid32: 4673 { 4674 uid_t ruid, euid, suid; 4675 ret = get_errno(getresuid(&ruid, &euid, &suid)); 4676 if (!is_error(ret)) { 4677 tput32(arg1, tswap32(ruid)); 4678 tput32(arg2, tswap32(euid)); 4679 tput32(arg3, tswap32(suid)); 4680 } 4681 } 4682 break; 4683 #endif 4684 #ifdef TARGET_NR_setresgid32 4685 case TARGET_NR_setresgid32: 4686 ret = get_errno(setresgid(arg1, arg2, arg3)); 4687 break; 4688 #endif 4689 #ifdef TARGET_NR_getresgid32 4690 case TARGET_NR_getresgid32: 4691 { 4692 gid_t rgid, egid, sgid; 4693 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 4694 if (!is_error(ret)) { 4695 tput32(arg1, tswap32(rgid)); 4696 tput32(arg2, tswap32(egid)); 4697 tput32(arg3, tswap32(sgid)); 4698 } 4699 } 4700 break; 4701 #endif 4702 #ifdef TARGET_NR_chown32 4703 case TARGET_NR_chown32: 4704 p = lock_user_string(arg1); 4705 ret = get_errno(chown(p, arg2, arg3)); 4706 unlock_user(p, arg1, 0); 4707 break; 4708 #endif 4709 #ifdef TARGET_NR_setuid32 4710 case TARGET_NR_setuid32: 4711 ret = get_errno(setuid(arg1)); 4712 break; 4713 #endif 4714 #ifdef TARGET_NR_setgid32 4715 case TARGET_NR_setgid32: 4716 ret = get_errno(setgid(arg1)); 4717 break; 4718 #endif 4719 #ifdef TARGET_NR_setfsuid32 4720 case TARGET_NR_setfsuid32: 4721 ret = get_errno(setfsuid(arg1)); 4722 break; 4723 #endif 4724 #ifdef TARGET_NR_setfsgid32 4725 case TARGET_NR_setfsgid32: 4726 ret = get_errno(setfsgid(arg1)); 4727 break; 4728 #endif 4729 4730 case TARGET_NR_pivot_root: 4731 goto unimplemented; 4732 #ifdef TARGET_NR_mincore 4733 case TARGET_NR_mincore: 4734 goto unimplemented; 4735 #endif 4736 #ifdef TARGET_NR_madvise 4737 case TARGET_NR_madvise: 4738 /* A straight passthrough may not be safe because qemu sometimes 4739 turns private flie-backed mappings into anonymous mappings. 4740 This will break MADV_DONTNEED. 4741 This is a hint, so ignoring and returning success is ok. */ 4742 ret = get_errno(0); 4743 break; 4744 #endif 4745 #if TARGET_LONG_BITS == 32 4746 case TARGET_NR_fcntl64: 4747 { 4748 int cmd; 4749 struct flock64 fl; 4750 struct target_flock64 *target_fl; 4751 #ifdef TARGET_ARM 4752 struct target_eabi_flock64 *target_efl; 4753 #endif 4754 4755 switch(arg2){ 4756 case TARGET_F_GETLK64: 4757 cmd = F_GETLK64; 4758 break; 4759 case TARGET_F_SETLK64: 4760 cmd = F_SETLK64; 4761 break; 4762 case TARGET_F_SETLKW64: 4763 cmd = F_SETLK64; 4764 break; 4765 default: 4766 cmd = arg2; 4767 break; 4768 } 4769 4770 switch(arg2) { 4771 case TARGET_F_GETLK64: 4772 #ifdef TARGET_ARM 4773 if (((CPUARMState *)cpu_env)->eabi) { 4774 lock_user_struct(target_efl, arg3, 1); 4775 fl.l_type = tswap16(target_efl->l_type); 4776 fl.l_whence = tswap16(target_efl->l_whence); 4777 fl.l_start = tswap64(target_efl->l_start); 4778 fl.l_len = tswap64(target_efl->l_len); 4779 fl.l_pid = tswapl(target_efl->l_pid); 4780 unlock_user_struct(target_efl, arg3, 0); 4781 } else 4782 #endif 4783 { 4784 lock_user_struct(target_fl, arg3, 1); 4785 fl.l_type = tswap16(target_fl->l_type); 4786 fl.l_whence = tswap16(target_fl->l_whence); 4787 fl.l_start = tswap64(target_fl->l_start); 4788 fl.l_len = tswap64(target_fl->l_len); 4789 fl.l_pid = tswapl(target_fl->l_pid); 4790 unlock_user_struct(target_fl, arg3, 0); 4791 } 4792 ret = get_errno(fcntl(arg1, cmd, &fl)); 4793 if (ret == 0) { 4794 #ifdef TARGET_ARM 4795 if (((CPUARMState *)cpu_env)->eabi) { 4796 lock_user_struct(target_efl, arg3, 0); 4797 target_efl->l_type = tswap16(fl.l_type); 4798 target_efl->l_whence = tswap16(fl.l_whence); 4799 target_efl->l_start = tswap64(fl.l_start); 4800 target_efl->l_len = tswap64(fl.l_len); 4801 target_efl->l_pid = tswapl(fl.l_pid); 4802 unlock_user_struct(target_efl, arg3, 1); 4803 } else 4804 #endif 4805 { 4806 lock_user_struct(target_fl, arg3, 0); 4807 target_fl->l_type = tswap16(fl.l_type); 4808 target_fl->l_whence = tswap16(fl.l_whence); 4809 target_fl->l_start = tswap64(fl.l_start); 4810 target_fl->l_len = tswap64(fl.l_len); 4811 target_fl->l_pid = tswapl(fl.l_pid); 4812 unlock_user_struct(target_fl, arg3, 1); 4813 } 4814 } 4815 break; 4816 4817 case TARGET_F_SETLK64: 4818 case TARGET_F_SETLKW64: 4819 #ifdef TARGET_ARM 4820 if (((CPUARMState *)cpu_env)->eabi) { 4821 lock_user_struct(target_efl, arg3, 1); 4822 fl.l_type = tswap16(target_efl->l_type); 4823 fl.l_whence = tswap16(target_efl->l_whence); 4824 fl.l_start = tswap64(target_efl->l_start); 4825 fl.l_len = tswap64(target_efl->l_len); 4826 fl.l_pid = tswapl(target_efl->l_pid); 4827 unlock_user_struct(target_efl, arg3, 0); 4828 } else 4829 #endif 4830 { 4831 lock_user_struct(target_fl, arg3, 1); 4832 fl.l_type = tswap16(target_fl->l_type); 4833 fl.l_whence = tswap16(target_fl->l_whence); 4834 fl.l_start = tswap64(target_fl->l_start); 4835 fl.l_len = tswap64(target_fl->l_len); 4836 fl.l_pid = tswapl(target_fl->l_pid); 4837 unlock_user_struct(target_fl, arg3, 0); 4838 } 4839 ret = get_errno(fcntl(arg1, cmd, &fl)); 4840 break; 4841 default: 4842 ret = get_errno(do_fcntl(arg1, cmd, arg3)); 4843 break; 4844 } 4845 break; 4846 } 4847 #endif 4848 #ifdef TARGET_NR_cacheflush 4849 case TARGET_NR_cacheflush: 4850 /* self-modifying code is handled automatically, so nothing needed */ 4851 ret = 0; 4852 break; 4853 #endif 4854 #ifdef TARGET_NR_security 4855 case TARGET_NR_security: 4856 goto unimplemented; 4857 #endif 4858 #ifdef TARGET_NR_getpagesize 4859 case TARGET_NR_getpagesize: 4860 ret = TARGET_PAGE_SIZE; 4861 break; 4862 #endif 4863 case TARGET_NR_gettid: 4864 ret = get_errno(gettid()); 4865 break; 4866 #ifdef TARGET_NR_readahead 4867 case TARGET_NR_readahead: 4868 goto unimplemented; 4869 #endif 4870 #ifdef TARGET_NR_setxattr 4871 case TARGET_NR_setxattr: 4872 case TARGET_NR_lsetxattr: 4873 case TARGET_NR_fsetxattr: 4874 case TARGET_NR_getxattr: 4875 case TARGET_NR_lgetxattr: 4876 case TARGET_NR_fgetxattr: 4877 case TARGET_NR_listxattr: 4878 case TARGET_NR_llistxattr: 4879 case TARGET_NR_flistxattr: 4880 case TARGET_NR_removexattr: 4881 case TARGET_NR_lremovexattr: 4882 case TARGET_NR_fremovexattr: 4883 goto unimplemented_nowarn; 4884 #endif 4885 #ifdef TARGET_NR_set_thread_area 4886 case TARGET_NR_set_thread_area: 4887 #ifdef TARGET_MIPS 4888 ((CPUMIPSState *) cpu_env)->tls_value = arg1; 4889 ret = 0; 4890 break; 4891 #else 4892 goto unimplemented_nowarn; 4893 #endif 4894 #endif 4895 #ifdef TARGET_NR_get_thread_area 4896 case TARGET_NR_get_thread_area: 4897 goto unimplemented_nowarn; 4898 #endif 4899 #ifdef TARGET_NR_getdomainname 4900 case TARGET_NR_getdomainname: 4901 goto unimplemented_nowarn; 4902 #endif 4903 4904 #ifdef TARGET_NR_clock_gettime 4905 case TARGET_NR_clock_gettime: 4906 { 4907 struct timespec ts; 4908 ret = get_errno(clock_gettime(arg1, &ts)); 4909 if (!is_error(ret)) { 4910 host_to_target_timespec(arg2, &ts); 4911 } 4912 break; 4913 } 4914 #endif 4915 #ifdef TARGET_NR_clock_getres 4916 case TARGET_NR_clock_getres: 4917 { 4918 struct timespec ts; 4919 ret = get_errno(clock_getres(arg1, &ts)); 4920 if (!is_error(ret)) { 4921 host_to_target_timespec(arg2, &ts); 4922 } 4923 break; 4924 } 4925 #endif 4926 4927 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) 4928 case TARGET_NR_set_tid_address: 4929 ret = get_errno(set_tid_address((int *) arg1)); 4930 break; 4931 #endif 4932 4933 #if defined(TARGET_NR_tkill) && defined(__NR_tkill) 4934 case TARGET_NR_tkill: 4935 ret = get_errno(sys_tkill((int)arg1, (int)arg2)); 4936 break; 4937 #endif 4938 4939 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) 4940 case TARGET_NR_tgkill: 4941 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3)); 4942 break; 4943 #endif 4944 4945 #ifdef TARGET_NR_set_robust_list 4946 case TARGET_NR_set_robust_list: 4947 goto unimplemented_nowarn; 4948 #endif 4949 4950 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat) 4951 case TARGET_NR_utimensat: 4952 { 4953 struct timespec ts[2]; 4954 target_to_host_timespec(ts, arg3); 4955 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); 4956 if (!arg2) 4957 ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4)); 4958 else { 4959 p = lock_user_string(arg2); 4960 if (!access_ok(VERIFY_READ, p, 1)) 4961 ret = -EFAULT; 4962 else 4963 ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4)); 4964 if (p) 4965 unlock_user(p, arg2, 0); 4966 } 4967 } 4968 break; 4969 #endif 4970 4971 default: 4972 unimplemented: 4973 gemu_log("qemu: Unsupported syscall: %d\n", num); 4974 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) 4975 unimplemented_nowarn: 4976 #endif 4977 ret = -ENOSYS; 4978 break; 4979 } 4980 fail: 4981 #ifdef DEBUG 4982 gemu_log(" = %ld\n", ret); 4983 #endif 4984 return ret; 4985 } 4986