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 /* This is a replacement for the host gettid() and must return a host 171 errno. */ 172 static int gettid(void) { 173 return -ENOSYS; 174 } 175 #endif 176 _syscall1(int,sys_uname,struct new_utsname *,buf) 177 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) 178 _syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags) 179 #endif 180 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) 181 _syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname, 182 mode_t,mode,int,flags) 183 #endif 184 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) 185 _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, 186 uid_t,owner,gid_t,group,int,flags) 187 #endif 188 _syscall2(int,sys_getcwd1,char *,buf,size_t,size) 189 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); 190 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) 191 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count); 192 #endif 193 _syscall2(int, sys_getpriority, int, which, int, who); 194 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, 195 loff_t *, res, uint, wh); 196 #if defined(TARGET_NR_linkat) && defined(__NR_linkat) 197 _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath, 198 int,newdirfd,const char *,newpath,int,flags) 199 #endif 200 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) 201 _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) 202 #endif 203 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) 204 _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, 205 mode_t,mode,dev_t,dev) 206 #endif 207 #if defined(TARGET_NR_openat) && defined(__NR_openat) 208 _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) 209 #endif 210 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) 211 _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname, 212 char *,buf,size_t,bufsize) 213 #endif 214 #if defined(TARGET_NR_renameat) && defined(__NR_renameat) 215 _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, 216 int,newdirfd,const char *,newpath) 217 #endif 218 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) 219 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) 220 _syscall3(int,sys_symlinkat,const char *,oldpath, 221 int,newdirfd,const char *,newpath) 222 #endif 223 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) 224 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) 225 _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) 226 #endif 227 #if defined(TARGET_NR_tkill) && defined(__NR_tkill) 228 _syscall2(int,sys_tkill,int,tid,int,sig) 229 #endif 230 #ifdef __NR_exit_group 231 _syscall1(int,exit_group,int,error_code) 232 #endif 233 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) 234 _syscall1(int,set_tid_address,int *,tidptr) 235 #endif 236 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) 237 _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) 238 #endif 239 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat) 240 _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, 241 const struct timespec *,tsp,int,flags) 242 #endif 243 244 extern int personality(int); 245 extern int flock(int, int); 246 extern int setfsuid(int); 247 extern int setfsgid(int); 248 extern int setresuid(uid_t, uid_t, uid_t); 249 extern int getresuid(uid_t *, uid_t *, uid_t *); 250 extern int setresgid(gid_t, gid_t, gid_t); 251 extern int getresgid(gid_t *, gid_t *, gid_t *); 252 extern int setgroups(int, gid_t *); 253 254 /* 255 * This list is the union of errno values overridden in asm-<arch>/errno.h 256 * minus the errnos that are not actually generic to all archs. 257 */ 258 static uint16_t host_to_target_errno_table[1200] = { 259 [EIDRM] = TARGET_EIDRM, 260 [ECHRNG] = TARGET_ECHRNG, 261 [EL2NSYNC] = TARGET_EL2NSYNC, 262 [EL3HLT] = TARGET_EL3HLT, 263 [EL3RST] = TARGET_EL3RST, 264 [ELNRNG] = TARGET_ELNRNG, 265 [EUNATCH] = TARGET_EUNATCH, 266 [ENOCSI] = TARGET_ENOCSI, 267 [EL2HLT] = TARGET_EL2HLT, 268 [EDEADLK] = TARGET_EDEADLK, 269 [ENOLCK] = TARGET_ENOLCK, 270 [EBADE] = TARGET_EBADE, 271 [EBADR] = TARGET_EBADR, 272 [EXFULL] = TARGET_EXFULL, 273 [ENOANO] = TARGET_ENOANO, 274 [EBADRQC] = TARGET_EBADRQC, 275 [EBADSLT] = TARGET_EBADSLT, 276 [EBFONT] = TARGET_EBFONT, 277 [ENOSTR] = TARGET_ENOSTR, 278 [ENODATA] = TARGET_ENODATA, 279 [ETIME] = TARGET_ETIME, 280 [ENOSR] = TARGET_ENOSR, 281 [ENONET] = TARGET_ENONET, 282 [ENOPKG] = TARGET_ENOPKG, 283 [EREMOTE] = TARGET_EREMOTE, 284 [ENOLINK] = TARGET_ENOLINK, 285 [EADV] = TARGET_EADV, 286 [ESRMNT] = TARGET_ESRMNT, 287 [ECOMM] = TARGET_ECOMM, 288 [EPROTO] = TARGET_EPROTO, 289 [EDOTDOT] = TARGET_EDOTDOT, 290 [EMULTIHOP] = TARGET_EMULTIHOP, 291 [EBADMSG] = TARGET_EBADMSG, 292 [ENAMETOOLONG] = TARGET_ENAMETOOLONG, 293 [EOVERFLOW] = TARGET_EOVERFLOW, 294 [ENOTUNIQ] = TARGET_ENOTUNIQ, 295 [EBADFD] = TARGET_EBADFD, 296 [EREMCHG] = TARGET_EREMCHG, 297 [ELIBACC] = TARGET_ELIBACC, 298 [ELIBBAD] = TARGET_ELIBBAD, 299 [ELIBSCN] = TARGET_ELIBSCN, 300 [ELIBMAX] = TARGET_ELIBMAX, 301 [ELIBEXEC] = TARGET_ELIBEXEC, 302 [EILSEQ] = TARGET_EILSEQ, 303 [ENOSYS] = TARGET_ENOSYS, 304 [ELOOP] = TARGET_ELOOP, 305 [ERESTART] = TARGET_ERESTART, 306 [ESTRPIPE] = TARGET_ESTRPIPE, 307 [ENOTEMPTY] = TARGET_ENOTEMPTY, 308 [EUSERS] = TARGET_EUSERS, 309 [ENOTSOCK] = TARGET_ENOTSOCK, 310 [EDESTADDRREQ] = TARGET_EDESTADDRREQ, 311 [EMSGSIZE] = TARGET_EMSGSIZE, 312 [EPROTOTYPE] = TARGET_EPROTOTYPE, 313 [ENOPROTOOPT] = TARGET_ENOPROTOOPT, 314 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, 315 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, 316 [EOPNOTSUPP] = TARGET_EOPNOTSUPP, 317 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, 318 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, 319 [EADDRINUSE] = TARGET_EADDRINUSE, 320 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, 321 [ENETDOWN] = TARGET_ENETDOWN, 322 [ENETUNREACH] = TARGET_ENETUNREACH, 323 [ENETRESET] = TARGET_ENETRESET, 324 [ECONNABORTED] = TARGET_ECONNABORTED, 325 [ECONNRESET] = TARGET_ECONNRESET, 326 [ENOBUFS] = TARGET_ENOBUFS, 327 [EISCONN] = TARGET_EISCONN, 328 [ENOTCONN] = TARGET_ENOTCONN, 329 [EUCLEAN] = TARGET_EUCLEAN, 330 [ENOTNAM] = TARGET_ENOTNAM, 331 [ENAVAIL] = TARGET_ENAVAIL, 332 [EISNAM] = TARGET_EISNAM, 333 [EREMOTEIO] = TARGET_EREMOTEIO, 334 [ESHUTDOWN] = TARGET_ESHUTDOWN, 335 [ETOOMANYREFS] = TARGET_ETOOMANYREFS, 336 [ETIMEDOUT] = TARGET_ETIMEDOUT, 337 [ECONNREFUSED] = TARGET_ECONNREFUSED, 338 [EHOSTDOWN] = TARGET_EHOSTDOWN, 339 [EHOSTUNREACH] = TARGET_EHOSTUNREACH, 340 [EALREADY] = TARGET_EALREADY, 341 [EINPROGRESS] = TARGET_EINPROGRESS, 342 [ESTALE] = TARGET_ESTALE, 343 [ECANCELED] = TARGET_ECANCELED, 344 [ENOMEDIUM] = TARGET_ENOMEDIUM, 345 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, 346 #ifdef ENOKEY 347 [ENOKEY] = TARGET_ENOKEY, 348 #endif 349 #ifdef EKEYEXPIRED 350 [EKEYEXPIRED] = TARGET_EKEYEXPIRED, 351 #endif 352 #ifdef EKEYREVOKED 353 [EKEYREVOKED] = TARGET_EKEYREVOKED, 354 #endif 355 #ifdef EKEYREJECTED 356 [EKEYREJECTED] = TARGET_EKEYREJECTED, 357 #endif 358 #ifdef EOWNERDEAD 359 [EOWNERDEAD] = TARGET_EOWNERDEAD, 360 #endif 361 #ifdef ENOTRECOVERABLE 362 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, 363 #endif 364 }; 365 366 static inline int host_to_target_errno(int err) 367 { 368 if(host_to_target_errno_table[err]) 369 return host_to_target_errno_table[err]; 370 return err; 371 } 372 373 static inline abi_long get_errno(abi_long ret) 374 { 375 if (ret == -1) 376 return -host_to_target_errno(errno); 377 else 378 return ret; 379 } 380 381 static inline int is_error(abi_long ret) 382 { 383 return (abi_ulong)ret >= (abi_ulong)(-4096); 384 } 385 386 static abi_ulong target_brk; 387 static abi_ulong target_original_brk; 388 389 void target_set_brk(abi_ulong new_brk) 390 { 391 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); 392 } 393 394 /* do_brk() must return target values and target errnos. */ 395 abi_long do_brk(abi_ulong new_brk) 396 { 397 abi_ulong brk_page; 398 abi_long mapped_addr; 399 int new_alloc_size; 400 401 if (!new_brk) 402 return target_brk; 403 if (new_brk < target_original_brk) 404 return -TARGET_ENOMEM; 405 406 brk_page = HOST_PAGE_ALIGN(target_brk); 407 408 /* If the new brk is less than this, set it and we're done... */ 409 if (new_brk < brk_page) { 410 target_brk = new_brk; 411 return target_brk; 412 } 413 414 /* We need to allocate more memory after the brk... */ 415 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1); 416 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, 417 PROT_READ|PROT_WRITE, 418 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); 419 if (is_error(mapped_addr)) { 420 return mapped_addr; 421 } else { 422 target_brk = new_brk; 423 return target_brk; 424 } 425 } 426 427 static inline fd_set *target_to_host_fds(fd_set *fds, 428 abi_long *target_fds, int n) 429 { 430 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 431 return (fd_set *)target_fds; 432 #else 433 int i, b; 434 if (target_fds) { 435 FD_ZERO(fds); 436 for(i = 0;i < n; i++) { 437 b = (tswapl(target_fds[i / TARGET_ABI_BITS]) >> 438 (i & (TARGET_ABI_BITS - 1))) & 1; 439 if (b) 440 FD_SET(i, fds); 441 } 442 return fds; 443 } else { 444 return NULL; 445 } 446 #endif 447 } 448 449 static inline void host_to_target_fds(abi_long *target_fds, 450 fd_set *fds, int n) 451 { 452 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 453 /* nothing to do */ 454 #else 455 int i, nw, j, k; 456 abi_long v; 457 458 if (target_fds) { 459 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; 460 k = 0; 461 for(i = 0;i < nw; i++) { 462 v = 0; 463 for(j = 0; j < TARGET_ABI_BITS; j++) { 464 v |= ((FD_ISSET(k, fds) != 0) << j); 465 k++; 466 } 467 target_fds[i] = tswapl(v); 468 } 469 } 470 #endif 471 } 472 473 #if defined(__alpha__) 474 #define HOST_HZ 1024 475 #else 476 #define HOST_HZ 100 477 #endif 478 479 static inline abi_long host_to_target_clock_t(long ticks) 480 { 481 #if HOST_HZ == TARGET_HZ 482 return ticks; 483 #else 484 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; 485 #endif 486 } 487 488 static inline void host_to_target_rusage(abi_ulong target_addr, 489 const struct rusage *rusage) 490 { 491 struct target_rusage *target_rusage; 492 493 lock_user_struct(target_rusage, target_addr, 0); 494 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); 495 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); 496 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); 497 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); 498 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); 499 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); 500 target_rusage->ru_idrss = tswapl(rusage->ru_idrss); 501 target_rusage->ru_isrss = tswapl(rusage->ru_isrss); 502 target_rusage->ru_minflt = tswapl(rusage->ru_minflt); 503 target_rusage->ru_majflt = tswapl(rusage->ru_majflt); 504 target_rusage->ru_nswap = tswapl(rusage->ru_nswap); 505 target_rusage->ru_inblock = tswapl(rusage->ru_inblock); 506 target_rusage->ru_oublock = tswapl(rusage->ru_oublock); 507 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); 508 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); 509 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); 510 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); 511 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); 512 unlock_user_struct(target_rusage, target_addr, 1); 513 } 514 515 static inline void target_to_host_timeval(struct timeval *tv, 516 abi_ulong target_addr) 517 { 518 struct target_timeval *target_tv; 519 520 lock_user_struct(target_tv, target_addr, 1); 521 tv->tv_sec = tswapl(target_tv->tv_sec); 522 tv->tv_usec = tswapl(target_tv->tv_usec); 523 unlock_user_struct(target_tv, target_addr, 0); 524 } 525 526 static inline void host_to_target_timeval(abi_ulong target_addr, 527 const struct timeval *tv) 528 { 529 struct target_timeval *target_tv; 530 531 lock_user_struct(target_tv, target_addr, 0); 532 target_tv->tv_sec = tswapl(tv->tv_sec); 533 target_tv->tv_usec = tswapl(tv->tv_usec); 534 unlock_user_struct(target_tv, target_addr, 1); 535 } 536 537 538 /* do_select() must return target values and target errnos. */ 539 static abi_long do_select(int n, 540 abi_ulong rfd_p, abi_ulong wfd_p, 541 abi_ulong efd_p, abi_ulong target_tv) 542 { 543 fd_set rfds, wfds, efds; 544 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; 545 abi_long *target_rfds, *target_wfds, *target_efds; 546 struct timeval tv, *tv_ptr; 547 abi_long ret; 548 int ok; 549 550 if (rfd_p) { 551 target_rfds = lock_user(rfd_p, sizeof(abi_long) * n, 1); 552 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); 553 } else { 554 target_rfds = NULL; 555 rfds_ptr = NULL; 556 } 557 if (wfd_p) { 558 target_wfds = lock_user(wfd_p, sizeof(abi_long) * n, 1); 559 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); 560 } else { 561 target_wfds = NULL; 562 wfds_ptr = NULL; 563 } 564 if (efd_p) { 565 target_efds = lock_user(efd_p, sizeof(abi_long) * n, 1); 566 efds_ptr = target_to_host_fds(&efds, target_efds, n); 567 } else { 568 target_efds = NULL; 569 efds_ptr = NULL; 570 } 571 572 if (target_tv) { 573 target_to_host_timeval(&tv, target_tv); 574 tv_ptr = &tv; 575 } else { 576 tv_ptr = NULL; 577 } 578 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); 579 ok = !is_error(ret); 580 581 if (ok) { 582 host_to_target_fds(target_rfds, rfds_ptr, n); 583 host_to_target_fds(target_wfds, wfds_ptr, n); 584 host_to_target_fds(target_efds, efds_ptr, n); 585 586 if (target_tv) { 587 host_to_target_timeval(target_tv, &tv); 588 } 589 } 590 if (target_rfds) 591 unlock_user(target_rfds, rfd_p, ok ? sizeof(abi_long) * n : 0); 592 if (target_wfds) 593 unlock_user(target_wfds, wfd_p, ok ? sizeof(abi_long) * n : 0); 594 if (target_efds) 595 unlock_user(target_efds, efd_p, ok ? sizeof(abi_long) * n : 0); 596 597 return ret; 598 } 599 600 static inline void target_to_host_sockaddr(struct sockaddr *addr, 601 abi_ulong target_addr, 602 socklen_t len) 603 { 604 struct target_sockaddr *target_saddr; 605 606 target_saddr = lock_user(target_addr, len, 1); 607 memcpy(addr, target_saddr, len); 608 addr->sa_family = tswap16(target_saddr->sa_family); 609 unlock_user(target_saddr, target_addr, 0); 610 } 611 612 static inline void host_to_target_sockaddr(abi_ulong target_addr, 613 struct sockaddr *addr, 614 socklen_t len) 615 { 616 struct target_sockaddr *target_saddr; 617 618 target_saddr = lock_user(target_addr, len, 0); 619 memcpy(target_saddr, addr, len); 620 target_saddr->sa_family = tswap16(addr->sa_family); 621 unlock_user(target_saddr, target_addr, len); 622 } 623 624 /* ??? Should this also swap msgh->name? */ 625 static inline void target_to_host_cmsg(struct msghdr *msgh, 626 struct target_msghdr *target_msgh) 627 { 628 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 629 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 630 socklen_t space = 0; 631 632 while (cmsg && target_cmsg) { 633 void *data = CMSG_DATA(cmsg); 634 void *target_data = TARGET_CMSG_DATA(target_cmsg); 635 636 int len = tswapl(target_cmsg->cmsg_len) 637 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); 638 639 space += CMSG_SPACE(len); 640 if (space > msgh->msg_controllen) { 641 space -= CMSG_SPACE(len); 642 gemu_log("Host cmsg overflow\n"); 643 break; 644 } 645 646 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); 647 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); 648 cmsg->cmsg_len = CMSG_LEN(len); 649 650 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 651 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 652 memcpy(data, target_data, len); 653 } else { 654 int *fd = (int *)data; 655 int *target_fd = (int *)target_data; 656 int i, numfds = len / sizeof(int); 657 658 for (i = 0; i < numfds; i++) 659 fd[i] = tswap32(target_fd[i]); 660 } 661 662 cmsg = CMSG_NXTHDR(msgh, cmsg); 663 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 664 } 665 666 msgh->msg_controllen = space; 667 } 668 669 /* ??? Should this also swap msgh->name? */ 670 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh, 671 struct msghdr *msgh) 672 { 673 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 674 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 675 socklen_t space = 0; 676 677 while (cmsg && target_cmsg) { 678 void *data = CMSG_DATA(cmsg); 679 void *target_data = TARGET_CMSG_DATA(target_cmsg); 680 681 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); 682 683 space += TARGET_CMSG_SPACE(len); 684 if (space > tswapl(target_msgh->msg_controllen)) { 685 space -= TARGET_CMSG_SPACE(len); 686 gemu_log("Target cmsg overflow\n"); 687 break; 688 } 689 690 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); 691 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); 692 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); 693 694 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 695 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 696 memcpy(target_data, data, len); 697 } else { 698 int *fd = (int *)data; 699 int *target_fd = (int *)target_data; 700 int i, numfds = len / sizeof(int); 701 702 for (i = 0; i < numfds; i++) 703 target_fd[i] = tswap32(fd[i]); 704 } 705 706 cmsg = CMSG_NXTHDR(msgh, cmsg); 707 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 708 } 709 710 msgh->msg_controllen = tswapl(space); 711 } 712 713 /* do_setsockopt() Must return target values and target errnos. */ 714 static abi_long do_setsockopt(int sockfd, int level, int optname, 715 abi_ulong optval, socklen_t optlen) 716 { 717 abi_long ret; 718 int val; 719 720 switch(level) { 721 case SOL_TCP: 722 /* TCP options all take an 'int' value. */ 723 if (optlen < sizeof(uint32_t)) 724 return -TARGET_EINVAL; 725 726 val = tget32(optval); 727 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 728 break; 729 case SOL_IP: 730 switch(optname) { 731 case IP_TOS: 732 case IP_TTL: 733 case IP_HDRINCL: 734 case IP_ROUTER_ALERT: 735 case IP_RECVOPTS: 736 case IP_RETOPTS: 737 case IP_PKTINFO: 738 case IP_MTU_DISCOVER: 739 case IP_RECVERR: 740 case IP_RECVTOS: 741 #ifdef IP_FREEBIND 742 case IP_FREEBIND: 743 #endif 744 case IP_MULTICAST_TTL: 745 case IP_MULTICAST_LOOP: 746 val = 0; 747 if (optlen >= sizeof(uint32_t)) { 748 val = tget32(optval); 749 } else if (optlen >= 1) { 750 val = tget8(optval); 751 } 752 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 753 break; 754 default: 755 goto unimplemented; 756 } 757 break; 758 case TARGET_SOL_SOCKET: 759 switch (optname) { 760 /* Options with 'int' argument. */ 761 case TARGET_SO_DEBUG: 762 optname = SO_DEBUG; 763 break; 764 case TARGET_SO_REUSEADDR: 765 optname = SO_REUSEADDR; 766 break; 767 case TARGET_SO_TYPE: 768 optname = SO_TYPE; 769 break; 770 case TARGET_SO_ERROR: 771 optname = SO_ERROR; 772 break; 773 case TARGET_SO_DONTROUTE: 774 optname = SO_DONTROUTE; 775 break; 776 case TARGET_SO_BROADCAST: 777 optname = SO_BROADCAST; 778 break; 779 case TARGET_SO_SNDBUF: 780 optname = SO_SNDBUF; 781 break; 782 case TARGET_SO_RCVBUF: 783 optname = SO_RCVBUF; 784 break; 785 case TARGET_SO_KEEPALIVE: 786 optname = SO_KEEPALIVE; 787 break; 788 case TARGET_SO_OOBINLINE: 789 optname = SO_OOBINLINE; 790 break; 791 case TARGET_SO_NO_CHECK: 792 optname = SO_NO_CHECK; 793 break; 794 case TARGET_SO_PRIORITY: 795 optname = SO_PRIORITY; 796 break; 797 #ifdef SO_BSDCOMPAT 798 case TARGET_SO_BSDCOMPAT: 799 optname = SO_BSDCOMPAT; 800 break; 801 #endif 802 case TARGET_SO_PASSCRED: 803 optname = SO_PASSCRED; 804 break; 805 case TARGET_SO_TIMESTAMP: 806 optname = SO_TIMESTAMP; 807 break; 808 case TARGET_SO_RCVLOWAT: 809 optname = SO_RCVLOWAT; 810 break; 811 case TARGET_SO_RCVTIMEO: 812 optname = SO_RCVTIMEO; 813 break; 814 case TARGET_SO_SNDTIMEO: 815 optname = SO_SNDTIMEO; 816 break; 817 break; 818 default: 819 goto unimplemented; 820 } 821 if (optlen < sizeof(uint32_t)) 822 return -TARGET_EINVAL; 823 824 val = tget32(optval); 825 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); 826 break; 827 default: 828 unimplemented: 829 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); 830 ret = -TARGET_ENOSYS; 831 } 832 return ret; 833 } 834 835 /* do_getsockopt() Must return target values and target errnos. */ 836 static abi_long do_getsockopt(int sockfd, int level, int optname, 837 abi_ulong optval, abi_ulong optlen) 838 { 839 abi_long ret; 840 int len, lv, val; 841 842 switch(level) { 843 case TARGET_SOL_SOCKET: 844 level = SOL_SOCKET; 845 switch (optname) { 846 case TARGET_SO_LINGER: 847 case TARGET_SO_RCVTIMEO: 848 case TARGET_SO_SNDTIMEO: 849 case TARGET_SO_PEERCRED: 850 case TARGET_SO_PEERNAME: 851 /* These don't just return a single integer */ 852 goto unimplemented; 853 default: 854 goto int_case; 855 } 856 break; 857 case SOL_TCP: 858 /* TCP options all take an 'int' value. */ 859 int_case: 860 len = tget32(optlen); 861 if (len < 0) 862 return -TARGET_EINVAL; 863 lv = sizeof(int); 864 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 865 if (ret < 0) 866 return ret; 867 val = tswap32(val); 868 if (len > lv) 869 len = lv; 870 if (len == 4) 871 tput32(optval, val); 872 else 873 tput8(optval, val); 874 tput32(optlen, len); 875 break; 876 case SOL_IP: 877 switch(optname) { 878 case IP_TOS: 879 case IP_TTL: 880 case IP_HDRINCL: 881 case IP_ROUTER_ALERT: 882 case IP_RECVOPTS: 883 case IP_RETOPTS: 884 case IP_PKTINFO: 885 case IP_MTU_DISCOVER: 886 case IP_RECVERR: 887 case IP_RECVTOS: 888 #ifdef IP_FREEBIND 889 case IP_FREEBIND: 890 #endif 891 case IP_MULTICAST_TTL: 892 case IP_MULTICAST_LOOP: 893 len = tget32(optlen); 894 if (len < 0) 895 return -TARGET_EINVAL; 896 lv = sizeof(int); 897 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 898 if (ret < 0) 899 return ret; 900 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { 901 len = 1; 902 tput32(optlen, len); 903 tput8(optval, val); 904 } else { 905 if (len > sizeof(int)) 906 len = sizeof(int); 907 tput32(optlen, len); 908 tput32(optval, val); 909 } 910 break; 911 default: 912 goto unimplemented; 913 } 914 break; 915 default: 916 unimplemented: 917 gemu_log("getsockopt level=%d optname=%d not yet supported\n", 918 level, optname); 919 ret = -TARGET_ENOSYS; 920 break; 921 } 922 return ret; 923 } 924 925 static void lock_iovec(struct iovec *vec, abi_ulong target_addr, 926 int count, int copy) 927 { 928 struct target_iovec *target_vec; 929 abi_ulong base; 930 int i; 931 932 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1); 933 for(i = 0;i < count; i++) { 934 base = tswapl(target_vec[i].iov_base); 935 vec[i].iov_len = tswapl(target_vec[i].iov_len); 936 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy); 937 } 938 unlock_user (target_vec, target_addr, 0); 939 } 940 941 static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, 942 int count, int copy) 943 { 944 struct target_iovec *target_vec; 945 abi_ulong base; 946 int i; 947 948 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1); 949 for(i = 0;i < count; i++) { 950 base = tswapl(target_vec[i].iov_base); 951 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); 952 } 953 unlock_user (target_vec, target_addr, 0); 954 } 955 956 /* do_socket() Must return target values and target errnos. */ 957 static abi_long do_socket(int domain, int type, int protocol) 958 { 959 #if defined(TARGET_MIPS) 960 switch(type) { 961 case TARGET_SOCK_DGRAM: 962 type = SOCK_DGRAM; 963 break; 964 case TARGET_SOCK_STREAM: 965 type = SOCK_STREAM; 966 break; 967 case TARGET_SOCK_RAW: 968 type = SOCK_RAW; 969 break; 970 case TARGET_SOCK_RDM: 971 type = SOCK_RDM; 972 break; 973 case TARGET_SOCK_SEQPACKET: 974 type = SOCK_SEQPACKET; 975 break; 976 case TARGET_SOCK_PACKET: 977 type = SOCK_PACKET; 978 break; 979 } 980 #endif 981 return get_errno(socket(domain, type, protocol)); 982 } 983 984 /* do_bind() Must return target values and target errnos. */ 985 static abi_long do_bind(int sockfd, abi_ulong target_addr, 986 socklen_t addrlen) 987 { 988 void *addr = alloca(addrlen); 989 990 target_to_host_sockaddr(addr, target_addr, addrlen); 991 return get_errno(bind(sockfd, addr, addrlen)); 992 } 993 994 /* do_connect() Must return target values and target errnos. */ 995 static abi_long do_connect(int sockfd, abi_ulong target_addr, 996 socklen_t addrlen) 997 { 998 void *addr = alloca(addrlen); 999 1000 target_to_host_sockaddr(addr, target_addr, addrlen); 1001 return get_errno(connect(sockfd, addr, addrlen)); 1002 } 1003 1004 /* do_sendrecvmsg() Must return target values and target errnos. */ 1005 static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, 1006 int flags, int send) 1007 { 1008 abi_long ret; 1009 struct target_msghdr *msgp; 1010 struct msghdr msg; 1011 int count; 1012 struct iovec *vec; 1013 abi_ulong target_vec; 1014 1015 lock_user_struct(msgp, target_msg, 1); 1016 if (msgp->msg_name) { 1017 msg.msg_namelen = tswap32(msgp->msg_namelen); 1018 msg.msg_name = alloca(msg.msg_namelen); 1019 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name), 1020 msg.msg_namelen); 1021 } else { 1022 msg.msg_name = NULL; 1023 msg.msg_namelen = 0; 1024 } 1025 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); 1026 msg.msg_control = alloca(msg.msg_controllen); 1027 msg.msg_flags = tswap32(msgp->msg_flags); 1028 1029 count = tswapl(msgp->msg_iovlen); 1030 vec = alloca(count * sizeof(struct iovec)); 1031 target_vec = tswapl(msgp->msg_iov); 1032 lock_iovec(vec, target_vec, count, send); 1033 msg.msg_iovlen = count; 1034 msg.msg_iov = vec; 1035 1036 if (send) { 1037 target_to_host_cmsg(&msg, msgp); 1038 ret = get_errno(sendmsg(fd, &msg, flags)); 1039 } else { 1040 ret = get_errno(recvmsg(fd, &msg, flags)); 1041 if (!is_error(ret)) 1042 host_to_target_cmsg(msgp, &msg); 1043 } 1044 unlock_iovec(vec, target_vec, count, !send); 1045 return ret; 1046 } 1047 1048 /* do_accept() Must return target values and target errnos. */ 1049 static abi_long do_accept(int fd, abi_ulong target_addr, 1050 abi_ulong target_addrlen) 1051 { 1052 socklen_t addrlen = tget32(target_addrlen); 1053 void *addr = alloca(addrlen); 1054 abi_long ret; 1055 1056 ret = get_errno(accept(fd, addr, &addrlen)); 1057 if (!is_error(ret)) { 1058 host_to_target_sockaddr(target_addr, addr, addrlen); 1059 tput32(target_addrlen, addrlen); 1060 } 1061 return ret; 1062 } 1063 1064 /* do_getpeername() Must return target values and target errnos. */ 1065 static abi_long do_getpeername(int fd, abi_ulong target_addr, 1066 abi_ulong target_addrlen) 1067 { 1068 socklen_t addrlen = tget32(target_addrlen); 1069 void *addr = alloca(addrlen); 1070 abi_long ret; 1071 1072 ret = get_errno(getpeername(fd, addr, &addrlen)); 1073 if (!is_error(ret)) { 1074 host_to_target_sockaddr(target_addr, addr, addrlen); 1075 tput32(target_addrlen, addrlen); 1076 } 1077 return ret; 1078 } 1079 1080 /* do_getsockname() Must return target values and target errnos. */ 1081 static abi_long do_getsockname(int fd, abi_ulong target_addr, 1082 abi_ulong target_addrlen) 1083 { 1084 socklen_t addrlen = tget32(target_addrlen); 1085 void *addr = alloca(addrlen); 1086 abi_long ret; 1087 1088 ret = get_errno(getsockname(fd, addr, &addrlen)); 1089 if (!is_error(ret)) { 1090 host_to_target_sockaddr(target_addr, addr, addrlen); 1091 tput32(target_addrlen, addrlen); 1092 } 1093 return ret; 1094 } 1095 1096 /* do_socketpair() Must return target values and target errnos. */ 1097 static abi_long do_socketpair(int domain, int type, int protocol, 1098 abi_ulong target_tab) 1099 { 1100 int tab[2]; 1101 abi_long ret; 1102 1103 ret = get_errno(socketpair(domain, type, protocol, tab)); 1104 if (!is_error(ret)) { 1105 tput32(target_tab, tab[0]); 1106 tput32(target_tab + 4, tab[1]); 1107 } 1108 return ret; 1109 } 1110 1111 /* do_sendto() Must return target values and target errnos. */ 1112 static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, 1113 abi_ulong target_addr, socklen_t addrlen) 1114 { 1115 void *addr; 1116 void *host_msg; 1117 abi_long ret; 1118 1119 host_msg = lock_user(msg, len, 1); 1120 if (target_addr) { 1121 addr = alloca(addrlen); 1122 target_to_host_sockaddr(addr, target_addr, addrlen); 1123 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); 1124 } else { 1125 ret = get_errno(send(fd, host_msg, len, flags)); 1126 } 1127 unlock_user(host_msg, msg, 0); 1128 return ret; 1129 } 1130 1131 /* do_recvfrom() Must return target values and target errnos. */ 1132 static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, 1133 abi_ulong target_addr, 1134 abi_ulong target_addrlen) 1135 { 1136 socklen_t addrlen; 1137 void *addr; 1138 void *host_msg; 1139 abi_long ret; 1140 1141 host_msg = lock_user(msg, len, 0); 1142 if (target_addr) { 1143 addrlen = tget32(target_addrlen); 1144 addr = alloca(addrlen); 1145 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); 1146 } else { 1147 addr = NULL; /* To keep compiler quiet. */ 1148 ret = get_errno(recv(fd, host_msg, len, flags)); 1149 } 1150 if (!is_error(ret)) { 1151 if (target_addr) { 1152 host_to_target_sockaddr(target_addr, addr, addrlen); 1153 tput32(target_addrlen, addrlen); 1154 } 1155 unlock_user(host_msg, msg, len); 1156 } else { 1157 unlock_user(host_msg, msg, 0); 1158 } 1159 return ret; 1160 } 1161 1162 #ifdef TARGET_NR_socketcall 1163 /* do_socketcall() Must return target values and target errnos. */ 1164 static abi_long do_socketcall(int num, abi_ulong vptr) 1165 { 1166 abi_long ret; 1167 const int n = sizeof(abi_ulong); 1168 1169 switch(num) { 1170 case SOCKOP_socket: 1171 { 1172 int domain = tgetl(vptr); 1173 int type = tgetl(vptr + n); 1174 int protocol = tgetl(vptr + 2 * n); 1175 ret = do_socket(domain, type, protocol); 1176 } 1177 break; 1178 case SOCKOP_bind: 1179 { 1180 int sockfd = tgetl(vptr); 1181 abi_ulong target_addr = tgetl(vptr + n); 1182 socklen_t addrlen = tgetl(vptr + 2 * n); 1183 ret = do_bind(sockfd, target_addr, addrlen); 1184 } 1185 break; 1186 case SOCKOP_connect: 1187 { 1188 int sockfd = tgetl(vptr); 1189 abi_ulong target_addr = tgetl(vptr + n); 1190 socklen_t addrlen = tgetl(vptr + 2 * n); 1191 ret = do_connect(sockfd, target_addr, addrlen); 1192 } 1193 break; 1194 case SOCKOP_listen: 1195 { 1196 int sockfd = tgetl(vptr); 1197 int backlog = tgetl(vptr + n); 1198 ret = get_errno(listen(sockfd, backlog)); 1199 } 1200 break; 1201 case SOCKOP_accept: 1202 { 1203 int sockfd = tgetl(vptr); 1204 abi_ulong target_addr = tgetl(vptr + n); 1205 abi_ulong target_addrlen = tgetl(vptr + 2 * n); 1206 ret = do_accept(sockfd, target_addr, target_addrlen); 1207 } 1208 break; 1209 case SOCKOP_getsockname: 1210 { 1211 int sockfd = tgetl(vptr); 1212 abi_ulong target_addr = tgetl(vptr + n); 1213 abi_ulong target_addrlen = tgetl(vptr + 2 * n); 1214 ret = do_getsockname(sockfd, target_addr, target_addrlen); 1215 } 1216 break; 1217 case SOCKOP_getpeername: 1218 { 1219 int sockfd = tgetl(vptr); 1220 abi_ulong target_addr = tgetl(vptr + n); 1221 abi_ulong target_addrlen = tgetl(vptr + 2 * n); 1222 ret = do_getpeername(sockfd, target_addr, target_addrlen); 1223 } 1224 break; 1225 case SOCKOP_socketpair: 1226 { 1227 int domain = tgetl(vptr); 1228 int type = tgetl(vptr + n); 1229 int protocol = tgetl(vptr + 2 * n); 1230 abi_ulong tab = tgetl(vptr + 3 * n); 1231 ret = do_socketpair(domain, type, protocol, tab); 1232 } 1233 break; 1234 case SOCKOP_send: 1235 { 1236 int sockfd = tgetl(vptr); 1237 abi_ulong msg = tgetl(vptr + n); 1238 size_t len = tgetl(vptr + 2 * n); 1239 int flags = tgetl(vptr + 3 * n); 1240 ret = do_sendto(sockfd, msg, len, flags, 0, 0); 1241 } 1242 break; 1243 case SOCKOP_recv: 1244 { 1245 int sockfd = tgetl(vptr); 1246 abi_ulong msg = tgetl(vptr + n); 1247 size_t len = tgetl(vptr + 2 * n); 1248 int flags = tgetl(vptr + 3 * n); 1249 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); 1250 } 1251 break; 1252 case SOCKOP_sendto: 1253 { 1254 int sockfd = tgetl(vptr); 1255 abi_ulong msg = tgetl(vptr + n); 1256 size_t len = tgetl(vptr + 2 * n); 1257 int flags = tgetl(vptr + 3 * n); 1258 abi_ulong addr = tgetl(vptr + 4 * n); 1259 socklen_t addrlen = tgetl(vptr + 5 * n); 1260 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); 1261 } 1262 break; 1263 case SOCKOP_recvfrom: 1264 { 1265 int sockfd = tgetl(vptr); 1266 abi_ulong msg = tgetl(vptr + n); 1267 size_t len = tgetl(vptr + 2 * n); 1268 int flags = tgetl(vptr + 3 * n); 1269 abi_ulong addr = tgetl(vptr + 4 * n); 1270 abi_ulong addrlen = tgetl(vptr + 5 * n); 1271 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); 1272 } 1273 break; 1274 case SOCKOP_shutdown: 1275 { 1276 int sockfd = tgetl(vptr); 1277 int how = tgetl(vptr + n); 1278 1279 ret = get_errno(shutdown(sockfd, how)); 1280 } 1281 break; 1282 case SOCKOP_sendmsg: 1283 case SOCKOP_recvmsg: 1284 { 1285 int fd; 1286 abi_ulong target_msg; 1287 int flags; 1288 1289 fd = tgetl(vptr); 1290 target_msg = tgetl(vptr + n); 1291 flags = tgetl(vptr + 2 * n); 1292 1293 ret = do_sendrecvmsg(fd, target_msg, flags, 1294 (num == SOCKOP_sendmsg)); 1295 } 1296 break; 1297 case SOCKOP_setsockopt: 1298 { 1299 int sockfd = tgetl(vptr); 1300 int level = tgetl(vptr + n); 1301 int optname = tgetl(vptr + 2 * n); 1302 abi_ulong optval = tgetl(vptr + 3 * n); 1303 socklen_t optlen = tgetl(vptr + 4 * n); 1304 1305 ret = do_setsockopt(sockfd, level, optname, optval, optlen); 1306 } 1307 break; 1308 case SOCKOP_getsockopt: 1309 { 1310 int sockfd = tgetl(vptr); 1311 int level = tgetl(vptr + n); 1312 int optname = tgetl(vptr + 2 * n); 1313 abi_ulong optval = tgetl(vptr + 3 * n); 1314 abi_ulong poptlen = tgetl(vptr + 4 * n); 1315 1316 ret = do_getsockopt(sockfd, level, optname, optval, poptlen); 1317 } 1318 break; 1319 default: 1320 gemu_log("Unsupported socketcall: %d\n", num); 1321 ret = -TARGET_ENOSYS; 1322 break; 1323 } 1324 return ret; 1325 } 1326 #endif 1327 1328 #ifdef TARGET_NR_ipc 1329 #define N_SHM_REGIONS 32 1330 1331 static struct shm_region { 1332 uint32_t start; 1333 uint32_t size; 1334 } shm_regions[N_SHM_REGIONS]; 1335 1336 struct target_ipc_perm 1337 { 1338 abi_long __key; 1339 abi_ulong uid; 1340 abi_ulong gid; 1341 abi_ulong cuid; 1342 abi_ulong cgid; 1343 unsigned short int mode; 1344 unsigned short int __pad1; 1345 unsigned short int __seq; 1346 unsigned short int __pad2; 1347 abi_ulong __unused1; 1348 abi_ulong __unused2; 1349 }; 1350 1351 struct target_semid_ds 1352 { 1353 struct target_ipc_perm sem_perm; 1354 abi_ulong sem_otime; 1355 abi_ulong __unused1; 1356 abi_ulong sem_ctime; 1357 abi_ulong __unused2; 1358 abi_ulong sem_nsems; 1359 abi_ulong __unused3; 1360 abi_ulong __unused4; 1361 }; 1362 1363 static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip, 1364 abi_ulong target_addr) 1365 { 1366 struct target_ipc_perm *target_ip; 1367 struct target_semid_ds *target_sd; 1368 1369 lock_user_struct(target_sd, target_addr, 1); 1370 target_ip=&(target_sd->sem_perm); 1371 host_ip->__key = tswapl(target_ip->__key); 1372 host_ip->uid = tswapl(target_ip->uid); 1373 host_ip->gid = tswapl(target_ip->gid); 1374 host_ip->cuid = tswapl(target_ip->cuid); 1375 host_ip->cgid = tswapl(target_ip->cgid); 1376 host_ip->mode = tswapl(target_ip->mode); 1377 unlock_user_struct(target_sd, target_addr, 0); 1378 } 1379 1380 static inline void host_to_target_ipc_perm(abi_ulong target_addr, 1381 struct ipc_perm *host_ip) 1382 { 1383 struct target_ipc_perm *target_ip; 1384 struct target_semid_ds *target_sd; 1385 1386 lock_user_struct(target_sd, target_addr, 0); 1387 target_ip = &(target_sd->sem_perm); 1388 target_ip->__key = tswapl(host_ip->__key); 1389 target_ip->uid = tswapl(host_ip->uid); 1390 target_ip->gid = tswapl(host_ip->gid); 1391 target_ip->cuid = tswapl(host_ip->cuid); 1392 target_ip->cgid = tswapl(host_ip->cgid); 1393 target_ip->mode = tswapl(host_ip->mode); 1394 unlock_user_struct(target_sd, target_addr, 1); 1395 } 1396 1397 static inline void target_to_host_semid_ds(struct semid_ds *host_sd, 1398 abi_ulong target_addr) 1399 { 1400 struct target_semid_ds *target_sd; 1401 1402 lock_user_struct(target_sd, target_addr, 1); 1403 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr); 1404 host_sd->sem_nsems = tswapl(target_sd->sem_nsems); 1405 host_sd->sem_otime = tswapl(target_sd->sem_otime); 1406 host_sd->sem_ctime = tswapl(target_sd->sem_ctime); 1407 unlock_user_struct(target_sd, target_addr, 0); 1408 } 1409 1410 static inline void host_to_target_semid_ds(abi_ulong target_addr, 1411 struct semid_ds *host_sd) 1412 { 1413 struct target_semid_ds *target_sd; 1414 1415 lock_user_struct(target_sd, target_addr, 0); 1416 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)); 1417 target_sd->sem_nsems = tswapl(host_sd->sem_nsems); 1418 target_sd->sem_otime = tswapl(host_sd->sem_otime); 1419 target_sd->sem_ctime = tswapl(host_sd->sem_ctime); 1420 unlock_user_struct(target_sd, target_addr, 1); 1421 } 1422 1423 union semun { 1424 int val; 1425 struct semid_ds *buf; 1426 unsigned short *array; 1427 }; 1428 1429 union target_semun { 1430 int val; 1431 abi_long buf; 1432 unsigned short int *array; 1433 }; 1434 1435 static inline void target_to_host_semun(int cmd, 1436 union semun *host_su, 1437 abi_ulong target_addr, 1438 struct semid_ds *ds) 1439 { 1440 union target_semun *target_su; 1441 1442 switch( cmd ) { 1443 case IPC_STAT: 1444 case IPC_SET: 1445 lock_user_struct(target_su, target_addr, 1); 1446 target_to_host_semid_ds(ds,target_su->buf); 1447 host_su->buf = ds; 1448 unlock_user_struct(target_su, target_addr, 0); 1449 break; 1450 case GETVAL: 1451 case SETVAL: 1452 lock_user_struct(target_su, target_addr, 1); 1453 host_su->val = tswapl(target_su->val); 1454 unlock_user_struct(target_su, target_addr, 0); 1455 break; 1456 case GETALL: 1457 case SETALL: 1458 lock_user_struct(target_su, target_addr, 1); 1459 *host_su->array = tswap16(*target_su->array); 1460 unlock_user_struct(target_su, target_addr, 0); 1461 break; 1462 default: 1463 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1464 } 1465 } 1466 1467 static inline void host_to_target_semun(int cmd, 1468 abi_ulong target_addr, 1469 union semun *host_su, 1470 struct semid_ds *ds) 1471 { 1472 union target_semun *target_su; 1473 1474 switch( cmd ) { 1475 case IPC_STAT: 1476 case IPC_SET: 1477 lock_user_struct(target_su, target_addr, 0); 1478 host_to_target_semid_ds(target_su->buf,ds); 1479 unlock_user_struct(target_su, target_addr, 1); 1480 break; 1481 case GETVAL: 1482 case SETVAL: 1483 lock_user_struct(target_su, target_addr, 0); 1484 target_su->val = tswapl(host_su->val); 1485 unlock_user_struct(target_su, target_addr, 1); 1486 break; 1487 case GETALL: 1488 case SETALL: 1489 lock_user_struct(target_su, target_addr, 0); 1490 *target_su->array = tswap16(*host_su->array); 1491 unlock_user_struct(target_su, target_addr, 1); 1492 break; 1493 default: 1494 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1495 } 1496 } 1497 1498 static inline abi_long do_semctl(int first, int second, int third, 1499 abi_long ptr) 1500 { 1501 union semun arg; 1502 struct semid_ds dsarg; 1503 int cmd = third&0xff; 1504 abi_long ret = 0; 1505 1506 switch( cmd ) { 1507 case GETVAL: 1508 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1509 ret = get_errno(semctl(first, second, cmd, arg)); 1510 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1511 break; 1512 case SETVAL: 1513 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1514 ret = get_errno(semctl(first, second, cmd, arg)); 1515 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1516 break; 1517 case GETALL: 1518 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1519 ret = get_errno(semctl(first, second, cmd, arg)); 1520 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1521 break; 1522 case SETALL: 1523 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1524 ret = get_errno(semctl(first, second, cmd, arg)); 1525 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1526 break; 1527 case IPC_STAT: 1528 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1529 ret = get_errno(semctl(first, second, cmd, arg)); 1530 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1531 break; 1532 case IPC_SET: 1533 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1534 ret = get_errno(semctl(first, second, cmd, arg)); 1535 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1536 break; 1537 default: 1538 ret = get_errno(semctl(first, second, cmd, arg)); 1539 } 1540 1541 return ret; 1542 } 1543 1544 struct target_msqid_ds 1545 { 1546 struct target_ipc_perm msg_perm; 1547 abi_ulong msg_stime; 1548 abi_ulong __unused1; 1549 abi_ulong msg_rtime; 1550 abi_ulong __unused2; 1551 abi_ulong msg_ctime; 1552 abi_ulong __unused3; 1553 abi_ulong __msg_cbytes; 1554 abi_ulong msg_qnum; 1555 abi_ulong msg_qbytes; 1556 abi_ulong msg_lspid; 1557 abi_ulong msg_lrpid; 1558 abi_ulong __unused4; 1559 abi_ulong __unused5; 1560 }; 1561 1562 static inline void target_to_host_msqid_ds(struct msqid_ds *host_md, 1563 abi_ulong target_addr) 1564 { 1565 struct target_msqid_ds *target_md; 1566 1567 lock_user_struct(target_md, target_addr, 1); 1568 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr); 1569 host_md->msg_stime = tswapl(target_md->msg_stime); 1570 host_md->msg_rtime = tswapl(target_md->msg_rtime); 1571 host_md->msg_ctime = tswapl(target_md->msg_ctime); 1572 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes); 1573 host_md->msg_qnum = tswapl(target_md->msg_qnum); 1574 host_md->msg_qbytes = tswapl(target_md->msg_qbytes); 1575 host_md->msg_lspid = tswapl(target_md->msg_lspid); 1576 host_md->msg_lrpid = tswapl(target_md->msg_lrpid); 1577 unlock_user_struct(target_md, target_addr, 0); 1578 } 1579 1580 static inline void host_to_target_msqid_ds(abi_ulong target_addr, 1581 struct msqid_ds *host_md) 1582 { 1583 struct target_msqid_ds *target_md; 1584 1585 lock_user_struct(target_md, target_addr, 0); 1586 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)); 1587 target_md->msg_stime = tswapl(host_md->msg_stime); 1588 target_md->msg_rtime = tswapl(host_md->msg_rtime); 1589 target_md->msg_ctime = tswapl(host_md->msg_ctime); 1590 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes); 1591 target_md->msg_qnum = tswapl(host_md->msg_qnum); 1592 target_md->msg_qbytes = tswapl(host_md->msg_qbytes); 1593 target_md->msg_lspid = tswapl(host_md->msg_lspid); 1594 target_md->msg_lrpid = tswapl(host_md->msg_lrpid); 1595 unlock_user_struct(target_md, target_addr, 1); 1596 } 1597 1598 static inline abi_long do_msgctl(int first, int second, abi_long ptr) 1599 { 1600 struct msqid_ds dsarg; 1601 int cmd = second&0xff; 1602 abi_long ret = 0; 1603 switch( cmd ) { 1604 case IPC_STAT: 1605 case IPC_SET: 1606 target_to_host_msqid_ds(&dsarg,ptr); 1607 ret = get_errno(msgctl(first, cmd, &dsarg)); 1608 host_to_target_msqid_ds(ptr,&dsarg); 1609 default: 1610 ret = get_errno(msgctl(first, cmd, &dsarg)); 1611 } 1612 return ret; 1613 } 1614 1615 struct target_msgbuf { 1616 abi_ulong mtype; 1617 char mtext[1]; 1618 }; 1619 1620 static inline abi_long do_msgsnd(int msqid, abi_long msgp, 1621 unsigned int msgsz, int msgflg) 1622 { 1623 struct target_msgbuf *target_mb; 1624 struct msgbuf *host_mb; 1625 abi_long ret = 0; 1626 1627 lock_user_struct(target_mb,msgp,0); 1628 host_mb = malloc(msgsz+sizeof(long)); 1629 host_mb->mtype = tswapl(target_mb->mtype); 1630 memcpy(host_mb->mtext,target_mb->mtext,msgsz); 1631 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); 1632 free(host_mb); 1633 unlock_user_struct(target_mb, msgp, 0); 1634 1635 return ret; 1636 } 1637 1638 static inline abi_long do_msgrcv(int msqid, abi_long msgp, 1639 unsigned int msgsz, int msgtype, 1640 int msgflg) 1641 { 1642 struct target_msgbuf *target_mb; 1643 struct msgbuf *host_mb; 1644 abi_long ret = 0; 1645 1646 lock_user_struct(target_mb, msgp, 0); 1647 host_mb = malloc(msgsz+sizeof(long)); 1648 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg)); 1649 if (ret > 0) 1650 memcpy(target_mb->mtext, host_mb->mtext, ret); 1651 target_mb->mtype = tswapl(host_mb->mtype); 1652 free(host_mb); 1653 unlock_user_struct(target_mb, msgp, 0); 1654 1655 return ret; 1656 } 1657 1658 /* ??? This only works with linear mappings. */ 1659 /* do_ipc() must return target values and target errnos. */ 1660 static abi_long do_ipc(unsigned int call, int first, 1661 int second, int third, 1662 abi_long ptr, abi_long fifth) 1663 { 1664 int version; 1665 abi_long ret = 0; 1666 unsigned long raddr; 1667 struct shmid_ds shm_info; 1668 int i; 1669 1670 version = call >> 16; 1671 call &= 0xffff; 1672 1673 switch (call) { 1674 case IPCOP_semop: 1675 ret = get_errno(semop(first,(struct sembuf *) ptr, second)); 1676 break; 1677 1678 case IPCOP_semget: 1679 ret = get_errno(semget(first, second, third)); 1680 break; 1681 1682 case IPCOP_semctl: 1683 ret = do_semctl(first, second, third, ptr); 1684 break; 1685 1686 case IPCOP_semtimedop: 1687 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); 1688 ret = -TARGET_ENOSYS; 1689 break; 1690 1691 case IPCOP_msgget: 1692 ret = get_errno(msgget(first, second)); 1693 break; 1694 1695 case IPCOP_msgsnd: 1696 ret = do_msgsnd(first, ptr, second, third); 1697 break; 1698 1699 case IPCOP_msgctl: 1700 ret = do_msgctl(first, second, ptr); 1701 break; 1702 1703 case IPCOP_msgrcv: 1704 { 1705 struct ipc_kludge 1706 { 1707 void *__unbounded msgp; 1708 long int msgtyp; 1709 }; 1710 1711 struct ipc_kludge *foo = (struct ipc_kludge *) ptr; 1712 struct msgbuf *msgp = (struct msgbuf *) foo->msgp; 1713 1714 ret = do_msgrcv(first, (long)msgp, second, 0, third); 1715 1716 } 1717 break; 1718 1719 case IPCOP_shmat: 1720 /* SHM_* flags are the same on all linux platforms */ 1721 ret = get_errno((long) shmat(first, (void *) ptr, second)); 1722 if (is_error(ret)) 1723 break; 1724 raddr = ret; 1725 /* find out the length of the shared memory segment */ 1726 1727 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 1728 if (is_error(ret)) { 1729 /* can't get length, bail out */ 1730 shmdt((void *) raddr); 1731 break; 1732 } 1733 page_set_flags(raddr, raddr + shm_info.shm_segsz, 1734 PAGE_VALID | PAGE_READ | 1735 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 1736 for (i = 0; i < N_SHM_REGIONS; ++i) { 1737 if (shm_regions[i].start == 0) { 1738 shm_regions[i].start = raddr; 1739 shm_regions[i].size = shm_info.shm_segsz; 1740 break; 1741 } 1742 } 1743 if (put_user(raddr, (abi_ulong *)third)) 1744 return -TARGET_EFAULT; 1745 ret = 0; 1746 break; 1747 case IPCOP_shmdt: 1748 for (i = 0; i < N_SHM_REGIONS; ++i) { 1749 if (shm_regions[i].start == ptr) { 1750 shm_regions[i].start = 0; 1751 page_set_flags(ptr, shm_regions[i].size, 0); 1752 break; 1753 } 1754 } 1755 ret = get_errno(shmdt((void *) ptr)); 1756 break; 1757 1758 case IPCOP_shmget: 1759 /* IPC_* flag values are the same on all linux platforms */ 1760 ret = get_errno(shmget(first, second, third)); 1761 break; 1762 1763 /* IPC_* and SHM_* command values are the same on all linux platforms */ 1764 case IPCOP_shmctl: 1765 switch(second) { 1766 case IPC_RMID: 1767 case SHM_LOCK: 1768 case SHM_UNLOCK: 1769 ret = get_errno(shmctl(first, second, NULL)); 1770 break; 1771 default: 1772 goto unimplemented; 1773 } 1774 break; 1775 default: 1776 unimplemented: 1777 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); 1778 ret = -TARGET_ENOSYS; 1779 break; 1780 } 1781 return ret; 1782 } 1783 #endif 1784 1785 /* kernel structure types definitions */ 1786 #define IFNAMSIZ 16 1787 1788 #define STRUCT(name, list...) STRUCT_ ## name, 1789 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 1790 enum { 1791 #include "syscall_types.h" 1792 }; 1793 #undef STRUCT 1794 #undef STRUCT_SPECIAL 1795 1796 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 1797 #define STRUCT_SPECIAL(name) 1798 #include "syscall_types.h" 1799 #undef STRUCT 1800 #undef STRUCT_SPECIAL 1801 1802 typedef struct IOCTLEntry { 1803 unsigned int target_cmd; 1804 unsigned int host_cmd; 1805 const char *name; 1806 int access; 1807 const argtype arg_type[5]; 1808 } IOCTLEntry; 1809 1810 #define IOC_R 0x0001 1811 #define IOC_W 0x0002 1812 #define IOC_RW (IOC_R | IOC_W) 1813 1814 #define MAX_STRUCT_SIZE 4096 1815 1816 IOCTLEntry ioctl_entries[] = { 1817 #define IOCTL(cmd, access, types...) \ 1818 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 1819 #include "ioctls.h" 1820 { 0, 0, }, 1821 }; 1822 1823 /* ??? Implement proper locking for ioctls. */ 1824 /* do_ioctl() Must return target values and target errnos. */ 1825 static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) 1826 { 1827 const IOCTLEntry *ie; 1828 const argtype *arg_type; 1829 abi_long ret; 1830 uint8_t buf_temp[MAX_STRUCT_SIZE]; 1831 int target_size; 1832 void *argptr; 1833 1834 ie = ioctl_entries; 1835 for(;;) { 1836 if (ie->target_cmd == 0) { 1837 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); 1838 return -TARGET_ENOSYS; 1839 } 1840 if (ie->target_cmd == cmd) 1841 break; 1842 ie++; 1843 } 1844 arg_type = ie->arg_type; 1845 #if defined(DEBUG) 1846 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); 1847 #endif 1848 switch(arg_type[0]) { 1849 case TYPE_NULL: 1850 /* no argument */ 1851 ret = get_errno(ioctl(fd, ie->host_cmd)); 1852 break; 1853 case TYPE_PTRVOID: 1854 case TYPE_INT: 1855 /* int argment */ 1856 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 1857 break; 1858 case TYPE_PTR: 1859 arg_type++; 1860 target_size = thunk_type_size(arg_type, 0); 1861 switch(ie->access) { 1862 case IOC_R: 1863 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1864 if (!is_error(ret)) { 1865 argptr = lock_user(arg, target_size, 0); 1866 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 1867 unlock_user(argptr, arg, target_size); 1868 } 1869 break; 1870 case IOC_W: 1871 argptr = lock_user(arg, target_size, 1); 1872 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 1873 unlock_user(argptr, arg, 0); 1874 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1875 break; 1876 default: 1877 case IOC_RW: 1878 argptr = lock_user(arg, target_size, 1); 1879 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 1880 unlock_user(argptr, arg, 0); 1881 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1882 if (!is_error(ret)) { 1883 argptr = lock_user(arg, target_size, 0); 1884 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 1885 unlock_user(argptr, arg, target_size); 1886 } 1887 break; 1888 } 1889 break; 1890 default: 1891 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", 1892 (long)cmd, arg_type[0]); 1893 ret = -TARGET_ENOSYS; 1894 break; 1895 } 1896 return ret; 1897 } 1898 1899 bitmask_transtbl iflag_tbl[] = { 1900 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 1901 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 1902 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 1903 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 1904 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 1905 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 1906 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 1907 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 1908 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 1909 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 1910 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 1911 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 1912 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 1913 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 1914 { 0, 0, 0, 0 } 1915 }; 1916 1917 bitmask_transtbl oflag_tbl[] = { 1918 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 1919 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 1920 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 1921 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 1922 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 1923 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 1924 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 1925 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 1926 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 1927 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 1928 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 1929 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 1930 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 1931 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 1932 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 1933 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 1934 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 1935 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 1936 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 1937 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 1938 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 1939 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 1940 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 1941 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 1942 { 0, 0, 0, 0 } 1943 }; 1944 1945 bitmask_transtbl cflag_tbl[] = { 1946 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 1947 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 1948 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 1949 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 1950 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 1951 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 1952 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 1953 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 1954 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 1955 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 1956 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 1957 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 1958 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 1959 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 1960 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 1961 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 1962 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 1963 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 1964 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 1965 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 1966 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 1967 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 1968 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 1969 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 1970 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 1971 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 1972 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 1973 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 1974 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 1975 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 1976 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 1977 { 0, 0, 0, 0 } 1978 }; 1979 1980 bitmask_transtbl lflag_tbl[] = { 1981 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 1982 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 1983 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 1984 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 1985 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 1986 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 1987 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 1988 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 1989 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 1990 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 1991 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 1992 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 1993 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 1994 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 1995 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 1996 { 0, 0, 0, 0 } 1997 }; 1998 1999 static void target_to_host_termios (void *dst, const void *src) 2000 { 2001 struct host_termios *host = dst; 2002 const struct target_termios *target = src; 2003 2004 host->c_iflag = 2005 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 2006 host->c_oflag = 2007 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 2008 host->c_cflag = 2009 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 2010 host->c_lflag = 2011 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 2012 host->c_line = target->c_line; 2013 2014 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 2015 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 2016 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 2017 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 2018 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 2019 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 2020 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 2021 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 2022 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 2023 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 2024 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 2025 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 2026 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 2027 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 2028 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 2029 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 2030 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 2031 } 2032 2033 static void host_to_target_termios (void *dst, const void *src) 2034 { 2035 struct target_termios *target = dst; 2036 const struct host_termios *host = src; 2037 2038 target->c_iflag = 2039 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 2040 target->c_oflag = 2041 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 2042 target->c_cflag = 2043 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 2044 target->c_lflag = 2045 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 2046 target->c_line = host->c_line; 2047 2048 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 2049 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 2050 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 2051 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 2052 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 2053 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 2054 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 2055 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 2056 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 2057 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 2058 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 2059 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 2060 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 2061 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 2062 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 2063 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 2064 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 2065 } 2066 2067 StructEntry struct_termios_def = { 2068 .convert = { host_to_target_termios, target_to_host_termios }, 2069 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 2070 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 2071 }; 2072 2073 static bitmask_transtbl mmap_flags_tbl[] = { 2074 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 2075 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 2076 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 2077 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 2078 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 2079 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 2080 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 2081 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 2082 { 0, 0, 0, 0 } 2083 }; 2084 2085 static bitmask_transtbl fcntl_flags_tbl[] = { 2086 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 2087 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 2088 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 2089 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 2090 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 2091 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 2092 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 2093 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 2094 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 2095 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 2096 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 2097 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 2098 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 2099 #if defined(O_DIRECT) 2100 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 2101 #endif 2102 { 0, 0, 0, 0 } 2103 }; 2104 2105 #if defined(TARGET_I386) 2106 2107 /* NOTE: there is really one LDT for all the threads */ 2108 uint8_t *ldt_table; 2109 2110 static int read_ldt(abi_ulong ptr, unsigned long bytecount) 2111 { 2112 int size; 2113 void *p; 2114 2115 if (!ldt_table) 2116 return 0; 2117 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 2118 if (size > bytecount) 2119 size = bytecount; 2120 p = lock_user(ptr, size, 0); 2121 /* ??? Shoudl this by byteswapped? */ 2122 memcpy(p, ldt_table, size); 2123 unlock_user(p, ptr, size); 2124 return size; 2125 } 2126 2127 /* XXX: add locking support */ 2128 /* write_ldt() returns host errnos */ 2129 static int write_ldt(CPUX86State *env, 2130 abi_ulong ptr, unsigned long bytecount, int oldmode) 2131 { 2132 struct target_modify_ldt_ldt_s ldt_info; 2133 struct target_modify_ldt_ldt_s *target_ldt_info; 2134 int seg_32bit, contents, read_exec_only, limit_in_pages; 2135 int seg_not_present, useable; 2136 uint32_t *lp, entry_1, entry_2; 2137 2138 if (bytecount != sizeof(ldt_info)) 2139 return -EINVAL; 2140 lock_user_struct(target_ldt_info, ptr, 1); 2141 ldt_info.entry_number = tswap32(target_ldt_info->entry_number); 2142 ldt_info.base_addr = tswapl(target_ldt_info->base_addr); 2143 ldt_info.limit = tswap32(target_ldt_info->limit); 2144 ldt_info.flags = tswap32(target_ldt_info->flags); 2145 unlock_user_struct(target_ldt_info, ptr, 0); 2146 2147 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 2148 return -EINVAL; 2149 seg_32bit = ldt_info.flags & 1; 2150 contents = (ldt_info.flags >> 1) & 3; 2151 read_exec_only = (ldt_info.flags >> 3) & 1; 2152 limit_in_pages = (ldt_info.flags >> 4) & 1; 2153 seg_not_present = (ldt_info.flags >> 5) & 1; 2154 useable = (ldt_info.flags >> 6) & 1; 2155 2156 if (contents == 3) { 2157 if (oldmode) 2158 return -EINVAL; 2159 if (seg_not_present == 0) 2160 return -EINVAL; 2161 } 2162 /* allocate the LDT */ 2163 if (!ldt_table) { 2164 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2165 if (!ldt_table) 2166 return -ENOMEM; 2167 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2168 env->ldt.base = h2g(ldt_table); 2169 env->ldt.limit = 0xffff; 2170 } 2171 2172 /* NOTE: same code as Linux kernel */ 2173 /* Allow LDTs to be cleared by the user. */ 2174 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 2175 if (oldmode || 2176 (contents == 0 && 2177 read_exec_only == 1 && 2178 seg_32bit == 0 && 2179 limit_in_pages == 0 && 2180 seg_not_present == 1 && 2181 useable == 0 )) { 2182 entry_1 = 0; 2183 entry_2 = 0; 2184 goto install; 2185 } 2186 } 2187 2188 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 2189 (ldt_info.limit & 0x0ffff); 2190 entry_2 = (ldt_info.base_addr & 0xff000000) | 2191 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 2192 (ldt_info.limit & 0xf0000) | 2193 ((read_exec_only ^ 1) << 9) | 2194 (contents << 10) | 2195 ((seg_not_present ^ 1) << 15) | 2196 (seg_32bit << 22) | 2197 (limit_in_pages << 23) | 2198 0x7000; 2199 if (!oldmode) 2200 entry_2 |= (useable << 20); 2201 2202 /* Install the new entry ... */ 2203 install: 2204 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 2205 lp[0] = tswap32(entry_1); 2206 lp[1] = tswap32(entry_2); 2207 return 0; 2208 } 2209 2210 /* specific and weird i386 syscalls */ 2211 /* do_modify_ldt() returns host errnos (it is inconsistent with the 2212 other do_*() functions which return target errnos). */ 2213 int do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, unsigned long bytecount) 2214 { 2215 int ret = -ENOSYS; 2216 2217 switch (func) { 2218 case 0: 2219 ret = read_ldt(ptr, bytecount); 2220 break; 2221 case 1: 2222 ret = write_ldt(env, ptr, bytecount, 1); 2223 break; 2224 case 0x11: 2225 ret = write_ldt(env, ptr, bytecount, 0); 2226 break; 2227 } 2228 return ret; 2229 } 2230 2231 #endif /* defined(TARGET_I386) */ 2232 2233 /* this stack is the equivalent of the kernel stack associated with a 2234 thread/process */ 2235 #define NEW_STACK_SIZE 8192 2236 2237 static int clone_func(void *arg) 2238 { 2239 CPUState *env = arg; 2240 cpu_loop(env); 2241 /* never exits */ 2242 return 0; 2243 } 2244 2245 /* do_fork() Must return host values and target errnos (unlike most 2246 do_*() functions). */ 2247 int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp) 2248 { 2249 int ret; 2250 TaskState *ts; 2251 uint8_t *new_stack; 2252 CPUState *new_env; 2253 2254 if (flags & CLONE_VM) { 2255 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 2256 memset(ts, 0, sizeof(TaskState)); 2257 new_stack = ts->stack; 2258 ts->used = 1; 2259 /* add in task state list */ 2260 ts->next = first_task_state; 2261 first_task_state = ts; 2262 /* we create a new CPU instance. */ 2263 new_env = cpu_copy(env); 2264 #if defined(TARGET_I386) 2265 if (!newsp) 2266 newsp = env->regs[R_ESP]; 2267 new_env->regs[R_ESP] = newsp; 2268 new_env->regs[R_EAX] = 0; 2269 #elif defined(TARGET_ARM) 2270 if (!newsp) 2271 newsp = env->regs[13]; 2272 new_env->regs[13] = newsp; 2273 new_env->regs[0] = 0; 2274 #elif defined(TARGET_SPARC) 2275 if (!newsp) 2276 newsp = env->regwptr[22]; 2277 new_env->regwptr[22] = newsp; 2278 new_env->regwptr[0] = 0; 2279 /* XXXXX */ 2280 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 2281 #elif defined(TARGET_M68K) 2282 if (!newsp) 2283 newsp = env->aregs[7]; 2284 new_env->aregs[7] = newsp; 2285 new_env->dregs[0] = 0; 2286 /* ??? is this sufficient? */ 2287 #elif defined(TARGET_MIPS) 2288 if (!newsp) 2289 newsp = env->gpr[29][env->current_tc]; 2290 new_env->gpr[29][env->current_tc] = newsp; 2291 #elif defined(TARGET_PPC) 2292 if (!newsp) 2293 newsp = env->gpr[1]; 2294 new_env->gpr[1] = newsp; 2295 { 2296 int i; 2297 for (i = 7; i < 32; i++) 2298 new_env->gpr[i] = 0; 2299 } 2300 #elif defined(TARGET_SH4) 2301 if (!newsp) 2302 newsp = env->gregs[15]; 2303 new_env->gregs[15] = newsp; 2304 /* XXXXX */ 2305 #elif defined(TARGET_ALPHA) 2306 if (!newsp) 2307 newsp = env->ir[30]; 2308 new_env->ir[30] = newsp; 2309 /* ? */ 2310 { 2311 int i; 2312 for (i = 7; i < 30; i++) 2313 new_env->ir[i] = 0; 2314 } 2315 #elif defined(TARGET_CRIS) 2316 if (!newsp) 2317 newsp = env->regs[14]; 2318 new_env->regs[14] = newsp; 2319 #else 2320 #error unsupported target CPU 2321 #endif 2322 new_env->opaque = ts; 2323 #ifdef __ia64__ 2324 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2325 #else 2326 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2327 #endif 2328 } else { 2329 /* if no CLONE_VM, we consider it is a fork */ 2330 if ((flags & ~CSIGNAL) != 0) 2331 return -EINVAL; 2332 ret = fork(); 2333 } 2334 return ret; 2335 } 2336 2337 static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) 2338 { 2339 struct flock fl; 2340 struct target_flock *target_fl; 2341 struct flock64 fl64; 2342 struct target_flock64 *target_fl64; 2343 abi_long ret; 2344 2345 switch(cmd) { 2346 case TARGET_F_GETLK: 2347 lock_user_struct(target_fl, arg, 1); 2348 fl.l_type = tswap16(target_fl->l_type); 2349 fl.l_whence = tswap16(target_fl->l_whence); 2350 fl.l_start = tswapl(target_fl->l_start); 2351 fl.l_len = tswapl(target_fl->l_len); 2352 fl.l_pid = tswapl(target_fl->l_pid); 2353 unlock_user_struct(target_fl, arg, 0); 2354 ret = fcntl(fd, cmd, &fl); 2355 if (ret == 0) { 2356 lock_user_struct(target_fl, arg, 0); 2357 target_fl->l_type = tswap16(fl.l_type); 2358 target_fl->l_whence = tswap16(fl.l_whence); 2359 target_fl->l_start = tswapl(fl.l_start); 2360 target_fl->l_len = tswapl(fl.l_len); 2361 target_fl->l_pid = tswapl(fl.l_pid); 2362 unlock_user_struct(target_fl, arg, 1); 2363 } 2364 break; 2365 2366 case TARGET_F_SETLK: 2367 case TARGET_F_SETLKW: 2368 lock_user_struct(target_fl, arg, 1); 2369 fl.l_type = tswap16(target_fl->l_type); 2370 fl.l_whence = tswap16(target_fl->l_whence); 2371 fl.l_start = tswapl(target_fl->l_start); 2372 fl.l_len = tswapl(target_fl->l_len); 2373 fl.l_pid = tswapl(target_fl->l_pid); 2374 unlock_user_struct(target_fl, arg, 0); 2375 ret = fcntl(fd, cmd, &fl); 2376 break; 2377 2378 case TARGET_F_GETLK64: 2379 lock_user_struct(target_fl64, arg, 1); 2380 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2381 fl64.l_whence = tswap16(target_fl64->l_whence); 2382 fl64.l_start = tswapl(target_fl64->l_start); 2383 fl64.l_len = tswapl(target_fl64->l_len); 2384 fl64.l_pid = tswap16(target_fl64->l_pid); 2385 unlock_user_struct(target_fl64, arg, 0); 2386 ret = fcntl(fd, cmd >> 1, &fl64); 2387 if (ret == 0) { 2388 lock_user_struct(target_fl64, arg, 0); 2389 target_fl64->l_type = tswap16(fl64.l_type) >> 1; 2390 target_fl64->l_whence = tswap16(fl64.l_whence); 2391 target_fl64->l_start = tswapl(fl64.l_start); 2392 target_fl64->l_len = tswapl(fl64.l_len); 2393 target_fl64->l_pid = tswapl(fl64.l_pid); 2394 unlock_user_struct(target_fl64, arg, 1); 2395 } 2396 break; 2397 case TARGET_F_SETLK64: 2398 case TARGET_F_SETLKW64: 2399 lock_user_struct(target_fl64, arg, 1); 2400 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2401 fl64.l_whence = tswap16(target_fl64->l_whence); 2402 fl64.l_start = tswapl(target_fl64->l_start); 2403 fl64.l_len = tswapl(target_fl64->l_len); 2404 fl64.l_pid = tswap16(target_fl64->l_pid); 2405 unlock_user_struct(target_fl64, arg, 0); 2406 ret = fcntl(fd, cmd >> 1, &fl64); 2407 break; 2408 2409 case F_GETFL: 2410 ret = fcntl(fd, cmd, arg); 2411 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 2412 break; 2413 2414 case F_SETFL: 2415 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)); 2416 break; 2417 2418 default: 2419 ret = fcntl(fd, cmd, arg); 2420 break; 2421 } 2422 return ret; 2423 } 2424 2425 #ifdef USE_UID16 2426 2427 static inline int high2lowuid(int uid) 2428 { 2429 if (uid > 65535) 2430 return 65534; 2431 else 2432 return uid; 2433 } 2434 2435 static inline int high2lowgid(int gid) 2436 { 2437 if (gid > 65535) 2438 return 65534; 2439 else 2440 return gid; 2441 } 2442 2443 static inline int low2highuid(int uid) 2444 { 2445 if ((int16_t)uid == -1) 2446 return -1; 2447 else 2448 return uid; 2449 } 2450 2451 static inline int low2highgid(int gid) 2452 { 2453 if ((int16_t)gid == -1) 2454 return -1; 2455 else 2456 return gid; 2457 } 2458 2459 #endif /* USE_UID16 */ 2460 2461 void syscall_init(void) 2462 { 2463 IOCTLEntry *ie; 2464 const argtype *arg_type; 2465 int size; 2466 2467 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 2468 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 2469 #include "syscall_types.h" 2470 #undef STRUCT 2471 #undef STRUCT_SPECIAL 2472 2473 /* we patch the ioctl size if necessary. We rely on the fact that 2474 no ioctl has all the bits at '1' in the size field */ 2475 ie = ioctl_entries; 2476 while (ie->target_cmd != 0) { 2477 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 2478 TARGET_IOC_SIZEMASK) { 2479 arg_type = ie->arg_type; 2480 if (arg_type[0] != TYPE_PTR) { 2481 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 2482 ie->target_cmd); 2483 exit(1); 2484 } 2485 arg_type++; 2486 size = thunk_type_size(arg_type, 0); 2487 ie->target_cmd = (ie->target_cmd & 2488 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 2489 (size << TARGET_IOC_SIZESHIFT); 2490 } 2491 /* automatic consistency check if same arch */ 2492 #if defined(__i386__) && defined(TARGET_I386) 2493 if (ie->target_cmd != ie->host_cmd) { 2494 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 2495 ie->target_cmd, ie->host_cmd); 2496 } 2497 #endif 2498 ie++; 2499 } 2500 } 2501 2502 #if TARGET_ABI_BITS == 32 2503 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) 2504 { 2505 #ifdef TARGET_WORDS_BIG_ENDIAN 2506 return ((uint64_t)word0 << 32) | word1; 2507 #else 2508 return ((uint64_t)word1 << 32) | word0; 2509 #endif 2510 } 2511 #else /* TARGET_ABI_BITS == 32 */ 2512 static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) 2513 { 2514 return word0; 2515 } 2516 #endif /* TARGET_ABI_BITS != 32 */ 2517 2518 #ifdef TARGET_NR_truncate64 2519 static inline abi_long target_truncate64(void *cpu_env, const char *arg1, 2520 abi_long arg2, 2521 abi_long arg3, 2522 abi_long arg4) 2523 { 2524 #ifdef TARGET_ARM 2525 if (((CPUARMState *)cpu_env)->eabi) 2526 { 2527 arg2 = arg3; 2528 arg3 = arg4; 2529 } 2530 #endif 2531 return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); 2532 } 2533 #endif 2534 2535 #ifdef TARGET_NR_ftruncate64 2536 static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, 2537 abi_long arg2, 2538 abi_long arg3, 2539 abi_long arg4) 2540 { 2541 #ifdef TARGET_ARM 2542 if (((CPUARMState *)cpu_env)->eabi) 2543 { 2544 arg2 = arg3; 2545 arg3 = arg4; 2546 } 2547 #endif 2548 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); 2549 } 2550 #endif 2551 2552 static inline void target_to_host_timespec(struct timespec *host_ts, 2553 abi_ulong target_addr) 2554 { 2555 struct target_timespec *target_ts; 2556 2557 lock_user_struct(target_ts, target_addr, 1); 2558 host_ts->tv_sec = tswapl(target_ts->tv_sec); 2559 host_ts->tv_nsec = tswapl(target_ts->tv_nsec); 2560 unlock_user_struct(target_ts, target_addr, 0); 2561 } 2562 2563 static inline void host_to_target_timespec(abi_ulong target_addr, 2564 struct timespec *host_ts) 2565 { 2566 struct target_timespec *target_ts; 2567 2568 lock_user_struct(target_ts, target_addr, 0); 2569 target_ts->tv_sec = tswapl(host_ts->tv_sec); 2570 target_ts->tv_nsec = tswapl(host_ts->tv_nsec); 2571 unlock_user_struct(target_ts, target_addr, 1); 2572 } 2573 2574 /* do_syscall() should always have a single exit point at the end so 2575 that actions, such as logging of syscall results, can be performed. 2576 All errnos that do_syscall() returns must be -TARGET_<errcode>. */ 2577 abi_long do_syscall(void *cpu_env, int num, abi_long arg1, 2578 abi_long arg2, abi_long arg3, abi_long arg4, 2579 abi_long arg5, abi_long arg6) 2580 { 2581 abi_long ret; 2582 struct stat st; 2583 struct statfs stfs; 2584 void *p; 2585 2586 #ifdef DEBUG 2587 gemu_log("syscall %d", num); 2588 #endif 2589 switch(num) { 2590 case TARGET_NR_exit: 2591 #ifdef HAVE_GPROF 2592 _mcleanup(); 2593 #endif 2594 gdb_exit(cpu_env, arg1); 2595 /* XXX: should free thread stack and CPU env */ 2596 _exit(arg1); 2597 ret = 0; /* avoid warning */ 2598 break; 2599 case TARGET_NR_read: 2600 page_unprotect_range(arg2, arg3); 2601 p = lock_user(arg2, arg3, 0); 2602 ret = get_errno(read(arg1, p, arg3)); 2603 unlock_user(p, arg2, ret); 2604 break; 2605 case TARGET_NR_write: 2606 p = lock_user(arg2, arg3, 1); 2607 ret = get_errno(write(arg1, p, arg3)); 2608 unlock_user(p, arg2, 0); 2609 break; 2610 case TARGET_NR_open: 2611 p = lock_user_string(arg1); 2612 ret = get_errno(open(path(p), 2613 target_to_host_bitmask(arg2, fcntl_flags_tbl), 2614 arg3)); 2615 unlock_user(p, arg1, 0); 2616 break; 2617 #if defined(TARGET_NR_openat) && defined(__NR_openat) 2618 case TARGET_NR_openat: 2619 if (!arg2) { 2620 ret = -TARGET_EFAULT; 2621 goto fail; 2622 } 2623 p = lock_user_string(arg2); 2624 if (!access_ok(VERIFY_READ, p, 1)) 2625 /* Don't "goto fail" so that cleanup can happen. */ 2626 ret = -TARGET_EFAULT; 2627 else 2628 ret = get_errno(sys_openat(arg1, 2629 path(p), 2630 target_to_host_bitmask(arg3, fcntl_flags_tbl), 2631 arg4)); 2632 if (p) 2633 unlock_user(p, arg2, 0); 2634 break; 2635 #endif 2636 case TARGET_NR_close: 2637 ret = get_errno(close(arg1)); 2638 break; 2639 case TARGET_NR_brk: 2640 ret = do_brk(arg1); 2641 break; 2642 case TARGET_NR_fork: 2643 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 2644 break; 2645 #ifdef TARGET_NR_waitpid 2646 case TARGET_NR_waitpid: 2647 { 2648 int status; 2649 ret = get_errno(waitpid(arg1, &status, arg3)); 2650 if (!is_error(ret) && arg2) 2651 tput32(arg2, status); 2652 } 2653 break; 2654 #endif 2655 #ifdef TARGET_NR_creat /* not on alpha */ 2656 case TARGET_NR_creat: 2657 p = lock_user_string(arg1); 2658 ret = get_errno(creat(p, arg2)); 2659 unlock_user(p, arg1, 0); 2660 break; 2661 #endif 2662 case TARGET_NR_link: 2663 { 2664 void * p2; 2665 p = lock_user_string(arg1); 2666 p2 = lock_user_string(arg2); 2667 ret = get_errno(link(p, p2)); 2668 unlock_user(p2, arg2, 0); 2669 unlock_user(p, arg1, 0); 2670 } 2671 break; 2672 #if defined(TARGET_NR_linkat) && defined(__NR_linkat) 2673 case TARGET_NR_linkat: 2674 if (!arg2 || !arg4) { 2675 ret = -TARGET_EFAULT; 2676 goto fail; 2677 } 2678 { 2679 void * p2 = NULL; 2680 p = lock_user_string(arg2); 2681 p2 = lock_user_string(arg4); 2682 if (!access_ok(VERIFY_READ, p, 1) 2683 || !access_ok(VERIFY_READ, p2, 1)) 2684 /* Don't "goto fail" so that cleanup can happen. */ 2685 ret = -TARGET_EFAULT; 2686 else 2687 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); 2688 if (p2) 2689 unlock_user(p, arg2, 0); 2690 if (p) 2691 unlock_user(p2, arg4, 0); 2692 } 2693 break; 2694 #endif 2695 case TARGET_NR_unlink: 2696 p = lock_user_string(arg1); 2697 ret = get_errno(unlink(p)); 2698 unlock_user(p, arg1, 0); 2699 break; 2700 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) 2701 case TARGET_NR_unlinkat: 2702 if (!arg2) { 2703 ret = -TARGET_EFAULT; 2704 goto fail; 2705 } 2706 p = lock_user_string(arg2); 2707 if (!access_ok(VERIFY_READ, p, 1)) 2708 /* Don't "goto fail" so that cleanup can happen. */ 2709 ret = -TARGET_EFAULT; 2710 else 2711 ret = get_errno(sys_unlinkat(arg1, p, arg3)); 2712 if (p) 2713 unlock_user(p, arg2, 0); 2714 break; 2715 #endif 2716 case TARGET_NR_execve: 2717 { 2718 char **argp, **envp; 2719 int argc, envc; 2720 abi_ulong gp; 2721 abi_ulong guest_argp; 2722 abi_ulong guest_envp; 2723 abi_ulong addr; 2724 char **q; 2725 2726 argc = 0; 2727 guest_argp = arg2; 2728 for (gp = guest_argp; tgetl(gp); gp++) 2729 argc++; 2730 envc = 0; 2731 guest_envp = arg3; 2732 for (gp = guest_envp; tgetl(gp); gp++) 2733 envc++; 2734 2735 argp = alloca((argc + 1) * sizeof(void *)); 2736 envp = alloca((envc + 1) * sizeof(void *)); 2737 2738 for (gp = guest_argp, q = argp; ; 2739 gp += sizeof(abi_ulong), q++) { 2740 addr = tgetl(gp); 2741 if (!addr) 2742 break; 2743 *q = lock_user_string(addr); 2744 } 2745 *q = NULL; 2746 2747 for (gp = guest_envp, q = envp; ; 2748 gp += sizeof(abi_ulong), q++) { 2749 addr = tgetl(gp); 2750 if (!addr) 2751 break; 2752 *q = lock_user_string(addr); 2753 } 2754 *q = NULL; 2755 2756 p = lock_user_string(arg1); 2757 ret = get_errno(execve(p, argp, envp)); 2758 unlock_user(p, arg1, 0); 2759 2760 for (gp = guest_argp, q = argp; *q; 2761 gp += sizeof(abi_ulong), q++) { 2762 addr = tgetl(gp); 2763 unlock_user(*q, addr, 0); 2764 } 2765 for (gp = guest_envp, q = envp; *q; 2766 gp += sizeof(abi_ulong), q++) { 2767 addr = tgetl(gp); 2768 unlock_user(*q, addr, 0); 2769 } 2770 } 2771 break; 2772 case TARGET_NR_chdir: 2773 p = lock_user_string(arg1); 2774 ret = get_errno(chdir(p)); 2775 unlock_user(p, arg1, 0); 2776 break; 2777 #ifdef TARGET_NR_time 2778 case TARGET_NR_time: 2779 { 2780 time_t host_time; 2781 ret = get_errno(time(&host_time)); 2782 if (!is_error(ret) && arg1) 2783 tputl(arg1, host_time); 2784 } 2785 break; 2786 #endif 2787 case TARGET_NR_mknod: 2788 p = lock_user_string(arg1); 2789 ret = get_errno(mknod(p, arg2, arg3)); 2790 unlock_user(p, arg1, 0); 2791 break; 2792 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) 2793 case TARGET_NR_mknodat: 2794 if (!arg2) { 2795 ret = -TARGET_EFAULT; 2796 goto fail; 2797 } 2798 p = lock_user_string(arg2); 2799 if (!access_ok(VERIFY_READ, p, 1)) 2800 /* Don't "goto fail" so that cleanup can happen. */ 2801 ret = -TARGET_EFAULT; 2802 else 2803 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); 2804 if (p) 2805 unlock_user(p, arg2, 0); 2806 break; 2807 #endif 2808 case TARGET_NR_chmod: 2809 p = lock_user_string(arg1); 2810 ret = get_errno(chmod(p, arg2)); 2811 unlock_user(p, arg1, 0); 2812 break; 2813 #ifdef TARGET_NR_break 2814 case TARGET_NR_break: 2815 goto unimplemented; 2816 #endif 2817 #ifdef TARGET_NR_oldstat 2818 case TARGET_NR_oldstat: 2819 goto unimplemented; 2820 #endif 2821 case TARGET_NR_lseek: 2822 ret = get_errno(lseek(arg1, arg2, arg3)); 2823 break; 2824 #ifdef TARGET_NR_getxpid 2825 case TARGET_NR_getxpid: 2826 #else 2827 case TARGET_NR_getpid: 2828 #endif 2829 ret = get_errno(getpid()); 2830 break; 2831 case TARGET_NR_mount: 2832 { 2833 /* need to look at the data field */ 2834 void *p2, *p3; 2835 p = lock_user_string(arg1); 2836 p2 = lock_user_string(arg2); 2837 p3 = lock_user_string(arg3); 2838 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5)); 2839 unlock_user(p, arg1, 0); 2840 unlock_user(p2, arg2, 0); 2841 unlock_user(p3, arg3, 0); 2842 break; 2843 } 2844 #ifdef TARGET_NR_umount 2845 case TARGET_NR_umount: 2846 p = lock_user_string(arg1); 2847 ret = get_errno(umount(p)); 2848 unlock_user(p, arg1, 0); 2849 break; 2850 #endif 2851 #ifdef TARGET_NR_stime /* not on alpha */ 2852 case TARGET_NR_stime: 2853 { 2854 time_t host_time; 2855 host_time = tgetl(arg1); 2856 ret = get_errno(stime(&host_time)); 2857 } 2858 break; 2859 #endif 2860 case TARGET_NR_ptrace: 2861 goto unimplemented; 2862 #ifdef TARGET_NR_alarm /* not on alpha */ 2863 case TARGET_NR_alarm: 2864 ret = alarm(arg1); 2865 break; 2866 #endif 2867 #ifdef TARGET_NR_oldfstat 2868 case TARGET_NR_oldfstat: 2869 goto unimplemented; 2870 #endif 2871 #ifdef TARGET_NR_pause /* not on alpha */ 2872 case TARGET_NR_pause: 2873 ret = get_errno(pause()); 2874 break; 2875 #endif 2876 #ifdef TARGET_NR_utime 2877 case TARGET_NR_utime: 2878 { 2879 struct utimbuf tbuf, *host_tbuf; 2880 struct target_utimbuf *target_tbuf; 2881 if (arg2) { 2882 lock_user_struct(target_tbuf, arg2, 1); 2883 tbuf.actime = tswapl(target_tbuf->actime); 2884 tbuf.modtime = tswapl(target_tbuf->modtime); 2885 unlock_user_struct(target_tbuf, arg2, 0); 2886 host_tbuf = &tbuf; 2887 } else { 2888 host_tbuf = NULL; 2889 } 2890 p = lock_user_string(arg1); 2891 ret = get_errno(utime(p, host_tbuf)); 2892 unlock_user(p, arg1, 0); 2893 } 2894 break; 2895 #endif 2896 case TARGET_NR_utimes: 2897 { 2898 struct timeval *tvp, tv[2]; 2899 if (arg2) { 2900 target_to_host_timeval(&tv[0], arg2); 2901 target_to_host_timeval(&tv[1], 2902 arg2 + sizeof (struct target_timeval)); 2903 tvp = tv; 2904 } else { 2905 tvp = NULL; 2906 } 2907 p = lock_user_string(arg1); 2908 ret = get_errno(utimes(p, tvp)); 2909 unlock_user(p, arg1, 0); 2910 } 2911 break; 2912 #ifdef TARGET_NR_stty 2913 case TARGET_NR_stty: 2914 goto unimplemented; 2915 #endif 2916 #ifdef TARGET_NR_gtty 2917 case TARGET_NR_gtty: 2918 goto unimplemented; 2919 #endif 2920 case TARGET_NR_access: 2921 p = lock_user_string(arg1); 2922 ret = get_errno(access(p, arg2)); 2923 unlock_user(p, arg1, 0); 2924 break; 2925 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) 2926 case TARGET_NR_faccessat: 2927 if (!arg2) { 2928 ret = -TARGET_EFAULT; 2929 goto fail; 2930 } 2931 p = lock_user_string(arg2); 2932 if (!access_ok(VERIFY_READ, p, 1)) 2933 /* Don't "goto fail" so that cleanup can happen. */ 2934 ret = -TARGET_EFAULT; 2935 else 2936 ret = get_errno(sys_faccessat(arg1, p, arg3, arg4)); 2937 if (p) 2938 unlock_user(p, arg2, 0); 2939 break; 2940 #endif 2941 #ifdef TARGET_NR_nice /* not on alpha */ 2942 case TARGET_NR_nice: 2943 ret = get_errno(nice(arg1)); 2944 break; 2945 #endif 2946 #ifdef TARGET_NR_ftime 2947 case TARGET_NR_ftime: 2948 goto unimplemented; 2949 #endif 2950 case TARGET_NR_sync: 2951 sync(); 2952 ret = 0; 2953 break; 2954 case TARGET_NR_kill: 2955 ret = get_errno(kill(arg1, arg2)); 2956 break; 2957 case TARGET_NR_rename: 2958 { 2959 void *p2; 2960 p = lock_user_string(arg1); 2961 p2 = lock_user_string(arg2); 2962 ret = get_errno(rename(p, p2)); 2963 unlock_user(p2, arg2, 0); 2964 unlock_user(p, arg1, 0); 2965 } 2966 break; 2967 #if defined(TARGET_NR_renameat) && defined(__NR_renameat) 2968 case TARGET_NR_renameat: 2969 if (!arg2 || !arg4) { 2970 ret = -TARGET_EFAULT; 2971 goto fail; 2972 } 2973 { 2974 void *p2 = NULL; 2975 p = lock_user_string(arg2); 2976 p2 = lock_user_string(arg4); 2977 if (!access_ok(VERIFY_READ, p, 1) 2978 || !access_ok(VERIFY_READ, p2, 1)) 2979 /* Don't "goto fail" so that cleanup can happen. */ 2980 ret = -TARGET_EFAULT; 2981 else 2982 ret = get_errno(sys_renameat(arg1, p, arg3, p2)); 2983 if (p2) 2984 unlock_user(p2, arg4, 0); 2985 if (p) 2986 unlock_user(p, arg2, 0); 2987 } 2988 break; 2989 #endif 2990 case TARGET_NR_mkdir: 2991 p = lock_user_string(arg1); 2992 ret = get_errno(mkdir(p, arg2)); 2993 unlock_user(p, arg1, 0); 2994 break; 2995 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) 2996 case TARGET_NR_mkdirat: 2997 if (!arg2) { 2998 ret = -TARGET_EFAULT; 2999 goto fail; 3000 } 3001 p = lock_user_string(arg2); 3002 if (!access_ok(VERIFY_READ, p, 1)) 3003 /* Don't "goto fail" so that cleanup can happen. */ 3004 ret = -TARGET_EFAULT; 3005 else 3006 ret = get_errno(sys_mkdirat(arg1, p, arg3)); 3007 if (p) 3008 unlock_user(p, arg2, 0); 3009 break; 3010 #endif 3011 case TARGET_NR_rmdir: 3012 p = lock_user_string(arg1); 3013 ret = get_errno(rmdir(p)); 3014 unlock_user(p, arg1, 0); 3015 break; 3016 case TARGET_NR_dup: 3017 ret = get_errno(dup(arg1)); 3018 break; 3019 case TARGET_NR_pipe: 3020 { 3021 int host_pipe[2]; 3022 ret = get_errno(pipe(host_pipe)); 3023 if (!is_error(ret)) { 3024 #if defined(TARGET_MIPS) 3025 CPUMIPSState *env = (CPUMIPSState*)cpu_env; 3026 env->gpr[3][env->current_tc] = host_pipe[1]; 3027 ret = host_pipe[0]; 3028 #else 3029 tput32(arg1, host_pipe[0]); 3030 tput32(arg1 + 4, host_pipe[1]); 3031 #endif 3032 } 3033 } 3034 break; 3035 case TARGET_NR_times: 3036 { 3037 struct target_tms *tmsp; 3038 struct tms tms; 3039 ret = get_errno(times(&tms)); 3040 if (arg1) { 3041 tmsp = lock_user(arg1, sizeof(struct target_tms), 0); 3042 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 3043 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 3044 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 3045 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 3046 } 3047 if (!is_error(ret)) 3048 ret = host_to_target_clock_t(ret); 3049 } 3050 break; 3051 #ifdef TARGET_NR_prof 3052 case TARGET_NR_prof: 3053 goto unimplemented; 3054 #endif 3055 #ifdef TARGET_NR_signal 3056 case TARGET_NR_signal: 3057 goto unimplemented; 3058 #endif 3059 case TARGET_NR_acct: 3060 p = lock_user_string(arg1); 3061 ret = get_errno(acct(path(p))); 3062 unlock_user(p, arg1, 0); 3063 break; 3064 #ifdef TARGET_NR_umount2 /* not on alpha */ 3065 case TARGET_NR_umount2: 3066 p = lock_user_string(arg1); 3067 ret = get_errno(umount2(p, arg2)); 3068 unlock_user(p, arg1, 0); 3069 break; 3070 #endif 3071 #ifdef TARGET_NR_lock 3072 case TARGET_NR_lock: 3073 goto unimplemented; 3074 #endif 3075 case TARGET_NR_ioctl: 3076 ret = do_ioctl(arg1, arg2, arg3); 3077 break; 3078 case TARGET_NR_fcntl: 3079 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 3080 break; 3081 #ifdef TARGET_NR_mpx 3082 case TARGET_NR_mpx: 3083 goto unimplemented; 3084 #endif 3085 case TARGET_NR_setpgid: 3086 ret = get_errno(setpgid(arg1, arg2)); 3087 break; 3088 #ifdef TARGET_NR_ulimit 3089 case TARGET_NR_ulimit: 3090 goto unimplemented; 3091 #endif 3092 #ifdef TARGET_NR_oldolduname 3093 case TARGET_NR_oldolduname: 3094 goto unimplemented; 3095 #endif 3096 case TARGET_NR_umask: 3097 ret = get_errno(umask(arg1)); 3098 break; 3099 case TARGET_NR_chroot: 3100 p = lock_user_string(arg1); 3101 ret = get_errno(chroot(p)); 3102 unlock_user(p, arg1, 0); 3103 break; 3104 case TARGET_NR_ustat: 3105 goto unimplemented; 3106 case TARGET_NR_dup2: 3107 ret = get_errno(dup2(arg1, arg2)); 3108 break; 3109 #ifdef TARGET_NR_getppid /* not on alpha */ 3110 case TARGET_NR_getppid: 3111 ret = get_errno(getppid()); 3112 break; 3113 #endif 3114 case TARGET_NR_getpgrp: 3115 ret = get_errno(getpgrp()); 3116 break; 3117 case TARGET_NR_setsid: 3118 ret = get_errno(setsid()); 3119 break; 3120 #ifdef TARGET_NR_sigaction 3121 case TARGET_NR_sigaction: 3122 { 3123 #if !defined(TARGET_MIPS) 3124 struct target_old_sigaction *old_act; 3125 struct target_sigaction act, oact, *pact; 3126 if (arg2) { 3127 lock_user_struct(old_act, arg2, 1); 3128 act._sa_handler = old_act->_sa_handler; 3129 target_siginitset(&act.sa_mask, old_act->sa_mask); 3130 act.sa_flags = old_act->sa_flags; 3131 act.sa_restorer = old_act->sa_restorer; 3132 unlock_user_struct(old_act, arg2, 0); 3133 pact = &act; 3134 } else { 3135 pact = NULL; 3136 } 3137 ret = get_errno(do_sigaction(arg1, pact, &oact)); 3138 if (!is_error(ret) && arg3) { 3139 lock_user_struct(old_act, arg3, 0); 3140 old_act->_sa_handler = oact._sa_handler; 3141 old_act->sa_mask = oact.sa_mask.sig[0]; 3142 old_act->sa_flags = oact.sa_flags; 3143 old_act->sa_restorer = oact.sa_restorer; 3144 unlock_user_struct(old_act, arg3, 1); 3145 } 3146 #else 3147 struct target_sigaction act, oact, *pact, *old_act; 3148 3149 if (arg2) { 3150 lock_user_struct(old_act, arg2, 1); 3151 act._sa_handler = old_act->_sa_handler; 3152 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); 3153 act.sa_flags = old_act->sa_flags; 3154 unlock_user_struct(old_act, arg2, 0); 3155 pact = &act; 3156 } else { 3157 pact = NULL; 3158 } 3159 3160 ret = get_errno(do_sigaction(arg1, pact, &oact)); 3161 3162 if (!is_error(ret) && arg3) { 3163 lock_user_struct(old_act, arg3, 0); 3164 old_act->_sa_handler = oact._sa_handler; 3165 old_act->sa_flags = oact.sa_flags; 3166 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; 3167 old_act->sa_mask.sig[1] = 0; 3168 old_act->sa_mask.sig[2] = 0; 3169 old_act->sa_mask.sig[3] = 0; 3170 unlock_user_struct(old_act, arg3, 1); 3171 } 3172 #endif 3173 } 3174 break; 3175 #endif 3176 case TARGET_NR_rt_sigaction: 3177 { 3178 struct target_sigaction *act; 3179 struct target_sigaction *oact; 3180 3181 if (arg2) 3182 lock_user_struct(act, arg2, 1); 3183 else 3184 act = NULL; 3185 if (arg3) 3186 lock_user_struct(oact, arg3, 0); 3187 else 3188 oact = NULL; 3189 ret = get_errno(do_sigaction(arg1, act, oact)); 3190 if (arg2) 3191 unlock_user_struct(act, arg2, 0); 3192 if (arg3) 3193 unlock_user_struct(oact, arg3, 1); 3194 } 3195 break; 3196 #ifdef TARGET_NR_sgetmask /* not on alpha */ 3197 case TARGET_NR_sgetmask: 3198 { 3199 sigset_t cur_set; 3200 abi_ulong target_set; 3201 sigprocmask(0, NULL, &cur_set); 3202 host_to_target_old_sigset(&target_set, &cur_set); 3203 ret = target_set; 3204 } 3205 break; 3206 #endif 3207 #ifdef TARGET_NR_ssetmask /* not on alpha */ 3208 case TARGET_NR_ssetmask: 3209 { 3210 sigset_t set, oset, cur_set; 3211 abi_ulong target_set = arg1; 3212 sigprocmask(0, NULL, &cur_set); 3213 target_to_host_old_sigset(&set, &target_set); 3214 sigorset(&set, &set, &cur_set); 3215 sigprocmask(SIG_SETMASK, &set, &oset); 3216 host_to_target_old_sigset(&target_set, &oset); 3217 ret = target_set; 3218 } 3219 break; 3220 #endif 3221 #ifdef TARGET_NR_sigprocmask 3222 case TARGET_NR_sigprocmask: 3223 { 3224 int how = arg1; 3225 sigset_t set, oldset, *set_ptr; 3226 3227 if (arg2) { 3228 switch(how) { 3229 case TARGET_SIG_BLOCK: 3230 how = SIG_BLOCK; 3231 break; 3232 case TARGET_SIG_UNBLOCK: 3233 how = SIG_UNBLOCK; 3234 break; 3235 case TARGET_SIG_SETMASK: 3236 how = SIG_SETMASK; 3237 break; 3238 default: 3239 ret = -TARGET_EINVAL; 3240 goto fail; 3241 } 3242 p = lock_user(arg2, sizeof(target_sigset_t), 1); 3243 target_to_host_old_sigset(&set, p); 3244 unlock_user(p, arg2, 0); 3245 set_ptr = &set; 3246 } else { 3247 how = 0; 3248 set_ptr = NULL; 3249 } 3250 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 3251 if (!is_error(ret) && arg3) { 3252 p = lock_user(arg3, sizeof(target_sigset_t), 0); 3253 host_to_target_old_sigset(p, &oldset); 3254 unlock_user(p, arg3, sizeof(target_sigset_t)); 3255 } 3256 } 3257 break; 3258 #endif 3259 case TARGET_NR_rt_sigprocmask: 3260 { 3261 int how = arg1; 3262 sigset_t set, oldset, *set_ptr; 3263 3264 if (arg2) { 3265 switch(how) { 3266 case TARGET_SIG_BLOCK: 3267 how = SIG_BLOCK; 3268 break; 3269 case TARGET_SIG_UNBLOCK: 3270 how = SIG_UNBLOCK; 3271 break; 3272 case TARGET_SIG_SETMASK: 3273 how = SIG_SETMASK; 3274 break; 3275 default: 3276 ret = -TARGET_EINVAL; 3277 goto fail; 3278 } 3279 p = lock_user(arg2, sizeof(target_sigset_t), 1); 3280 target_to_host_sigset(&set, p); 3281 unlock_user(p, arg2, 0); 3282 set_ptr = &set; 3283 } else { 3284 how = 0; 3285 set_ptr = NULL; 3286 } 3287 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 3288 if (!is_error(ret) && arg3) { 3289 p = lock_user(arg3, sizeof(target_sigset_t), 0); 3290 host_to_target_sigset(p, &oldset); 3291 unlock_user(p, arg3, sizeof(target_sigset_t)); 3292 } 3293 } 3294 break; 3295 #ifdef TARGET_NR_sigpending 3296 case TARGET_NR_sigpending: 3297 { 3298 sigset_t set; 3299 ret = get_errno(sigpending(&set)); 3300 if (!is_error(ret)) { 3301 p = lock_user(arg1, sizeof(target_sigset_t), 0); 3302 host_to_target_old_sigset(p, &set); 3303 unlock_user(p, arg1, sizeof(target_sigset_t)); 3304 } 3305 } 3306 break; 3307 #endif 3308 case TARGET_NR_rt_sigpending: 3309 { 3310 sigset_t set; 3311 ret = get_errno(sigpending(&set)); 3312 if (!is_error(ret)) { 3313 p = lock_user(arg1, sizeof(target_sigset_t), 0); 3314 host_to_target_sigset(p, &set); 3315 unlock_user(p, arg1, sizeof(target_sigset_t)); 3316 } 3317 } 3318 break; 3319 #ifdef TARGET_NR_sigsuspend 3320 case TARGET_NR_sigsuspend: 3321 { 3322 sigset_t set; 3323 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3324 target_to_host_old_sigset(&set, p); 3325 unlock_user(p, arg1, 0); 3326 ret = get_errno(sigsuspend(&set)); 3327 } 3328 break; 3329 #endif 3330 case TARGET_NR_rt_sigsuspend: 3331 { 3332 sigset_t set; 3333 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3334 target_to_host_sigset(&set, p); 3335 unlock_user(p, arg1, 0); 3336 ret = get_errno(sigsuspend(&set)); 3337 } 3338 break; 3339 case TARGET_NR_rt_sigtimedwait: 3340 { 3341 sigset_t set; 3342 struct timespec uts, *puts; 3343 siginfo_t uinfo; 3344 3345 p = lock_user(arg1, sizeof(target_sigset_t), 1); 3346 target_to_host_sigset(&set, p); 3347 unlock_user(p, arg1, 0); 3348 if (arg3) { 3349 puts = &uts; 3350 target_to_host_timespec(puts, arg3); 3351 } else { 3352 puts = NULL; 3353 } 3354 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 3355 if (!is_error(ret) && arg2) { 3356 p = lock_user(arg2, sizeof(target_sigset_t), 0); 3357 host_to_target_siginfo(p, &uinfo); 3358 unlock_user(p, arg2, sizeof(target_sigset_t)); 3359 } 3360 } 3361 break; 3362 case TARGET_NR_rt_sigqueueinfo: 3363 { 3364 siginfo_t uinfo; 3365 p = lock_user(arg3, sizeof(target_sigset_t), 1); 3366 target_to_host_siginfo(&uinfo, p); 3367 unlock_user(p, arg1, 0); 3368 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 3369 } 3370 break; 3371 #ifdef TARGET_NR_sigreturn 3372 case TARGET_NR_sigreturn: 3373 /* NOTE: ret is eax, so not transcoding must be done */ 3374 ret = do_sigreturn(cpu_env); 3375 break; 3376 #endif 3377 case TARGET_NR_rt_sigreturn: 3378 /* NOTE: ret is eax, so not transcoding must be done */ 3379 ret = do_rt_sigreturn(cpu_env); 3380 break; 3381 case TARGET_NR_sethostname: 3382 p = lock_user_string(arg1); 3383 ret = get_errno(sethostname(p, arg2)); 3384 unlock_user(p, arg1, 0); 3385 break; 3386 case TARGET_NR_setrlimit: 3387 { 3388 /* XXX: convert resource ? */ 3389 int resource = arg1; 3390 struct target_rlimit *target_rlim; 3391 struct rlimit rlim; 3392 lock_user_struct(target_rlim, arg2, 1); 3393 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3394 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3395 unlock_user_struct(target_rlim, arg2, 0); 3396 ret = get_errno(setrlimit(resource, &rlim)); 3397 } 3398 break; 3399 case TARGET_NR_getrlimit: 3400 { 3401 /* XXX: convert resource ? */ 3402 int resource = arg1; 3403 struct target_rlimit *target_rlim; 3404 struct rlimit rlim; 3405 3406 ret = get_errno(getrlimit(resource, &rlim)); 3407 if (!is_error(ret)) { 3408 lock_user_struct(target_rlim, arg2, 0); 3409 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3410 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3411 unlock_user_struct(target_rlim, arg2, 1); 3412 } 3413 } 3414 break; 3415 case TARGET_NR_getrusage: 3416 { 3417 struct rusage rusage; 3418 ret = get_errno(getrusage(arg1, &rusage)); 3419 if (!is_error(ret)) { 3420 host_to_target_rusage(arg2, &rusage); 3421 } 3422 } 3423 break; 3424 case TARGET_NR_gettimeofday: 3425 { 3426 struct timeval tv; 3427 ret = get_errno(gettimeofday(&tv, NULL)); 3428 if (!is_error(ret)) { 3429 host_to_target_timeval(arg1, &tv); 3430 } 3431 } 3432 break; 3433 case TARGET_NR_settimeofday: 3434 { 3435 struct timeval tv; 3436 target_to_host_timeval(&tv, arg1); 3437 ret = get_errno(settimeofday(&tv, NULL)); 3438 } 3439 break; 3440 #ifdef TARGET_NR_select 3441 case TARGET_NR_select: 3442 { 3443 struct target_sel_arg_struct *sel; 3444 abi_ulong inp, outp, exp, tvp; 3445 long nsel; 3446 3447 lock_user_struct(sel, arg1, 1); 3448 nsel = tswapl(sel->n); 3449 inp = tswapl(sel->inp); 3450 outp = tswapl(sel->outp); 3451 exp = tswapl(sel->exp); 3452 tvp = tswapl(sel->tvp); 3453 unlock_user_struct(sel, arg1, 0); 3454 ret = do_select(nsel, inp, outp, exp, tvp); 3455 } 3456 break; 3457 #endif 3458 case TARGET_NR_symlink: 3459 { 3460 void *p2; 3461 p = lock_user_string(arg1); 3462 p2 = lock_user_string(arg2); 3463 ret = get_errno(symlink(p, p2)); 3464 unlock_user(p2, arg2, 0); 3465 unlock_user(p, arg1, 0); 3466 } 3467 break; 3468 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) 3469 case TARGET_NR_symlinkat: 3470 if (!arg1 || !arg3) { 3471 ret = -TARGET_EFAULT; 3472 goto fail; 3473 } 3474 { 3475 void *p2 = NULL; 3476 p = lock_user_string(arg1); 3477 p2 = lock_user_string(arg3); 3478 if (!access_ok(VERIFY_READ, p, 1) 3479 || !access_ok(VERIFY_READ, p2, 1)) 3480 /* Don't "goto fail" so that cleanup can happen. */ 3481 ret = -TARGET_EFAULT; 3482 else 3483 ret = get_errno(sys_symlinkat(p, arg2, p2)); 3484 if (p2) 3485 unlock_user(p2, arg3, 0); 3486 if (p) 3487 unlock_user(p, arg1, 0); 3488 } 3489 break; 3490 #endif 3491 #ifdef TARGET_NR_oldlstat 3492 case TARGET_NR_oldlstat: 3493 goto unimplemented; 3494 #endif 3495 case TARGET_NR_readlink: 3496 { 3497 void *p2; 3498 p = lock_user_string(arg1); 3499 p2 = lock_user(arg2, arg3, 0); 3500 ret = get_errno(readlink(path(p), p2, arg3)); 3501 unlock_user(p2, arg2, ret); 3502 unlock_user(p, arg1, 0); 3503 } 3504 break; 3505 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) 3506 case TARGET_NR_readlinkat: 3507 if (!arg2 || !arg3) { 3508 ret = -TARGET_EFAULT; 3509 goto fail; 3510 } 3511 { 3512 void *p2 = NULL; 3513 p = lock_user_string(arg2); 3514 p2 = lock_user(arg3, arg4, 0); 3515 if (!access_ok(VERIFY_READ, p, 1) 3516 || !access_ok(VERIFY_READ, p2, 1)) 3517 /* Don't "goto fail" so that cleanup can happen. */ 3518 ret = -TARGET_EFAULT; 3519 else 3520 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); 3521 if (p2) 3522 unlock_user(p2, arg3, ret); 3523 if (p) 3524 unlock_user(p, arg2, 0); 3525 } 3526 break; 3527 #endif 3528 #ifdef TARGET_NR_uselib 3529 case TARGET_NR_uselib: 3530 goto unimplemented; 3531 #endif 3532 #ifdef TARGET_NR_swapon 3533 case TARGET_NR_swapon: 3534 p = lock_user_string(arg1); 3535 ret = get_errno(swapon(p, arg2)); 3536 unlock_user(p, arg1, 0); 3537 break; 3538 #endif 3539 case TARGET_NR_reboot: 3540 goto unimplemented; 3541 #ifdef TARGET_NR_readdir 3542 case TARGET_NR_readdir: 3543 goto unimplemented; 3544 #endif 3545 #ifdef TARGET_NR_mmap 3546 case TARGET_NR_mmap: 3547 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) 3548 { 3549 abi_ulong *v; 3550 abi_ulong v1, v2, v3, v4, v5, v6; 3551 v = lock_user(arg1, 6 * sizeof(abi_ulong), 1); 3552 v1 = tswapl(v[0]); 3553 v2 = tswapl(v[1]); 3554 v3 = tswapl(v[2]); 3555 v4 = tswapl(v[3]); 3556 v5 = tswapl(v[4]); 3557 v6 = tswapl(v[5]); 3558 unlock_user(v, arg1, 0); 3559 ret = get_errno(target_mmap(v1, v2, v3, 3560 target_to_host_bitmask(v4, mmap_flags_tbl), 3561 v5, v6)); 3562 } 3563 #else 3564 ret = get_errno(target_mmap(arg1, arg2, arg3, 3565 target_to_host_bitmask(arg4, mmap_flags_tbl), 3566 arg5, 3567 arg6)); 3568 #endif 3569 break; 3570 #endif 3571 #ifdef TARGET_NR_mmap2 3572 case TARGET_NR_mmap2: 3573 #if defined(TARGET_SPARC) || defined(TARGET_MIPS) 3574 #define MMAP_SHIFT 12 3575 #else 3576 #define MMAP_SHIFT TARGET_PAGE_BITS 3577 #endif 3578 ret = get_errno(target_mmap(arg1, arg2, arg3, 3579 target_to_host_bitmask(arg4, mmap_flags_tbl), 3580 arg5, 3581 arg6 << MMAP_SHIFT)); 3582 break; 3583 #endif 3584 case TARGET_NR_munmap: 3585 ret = get_errno(target_munmap(arg1, arg2)); 3586 break; 3587 case TARGET_NR_mprotect: 3588 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 3589 break; 3590 #ifdef TARGET_NR_mremap 3591 case TARGET_NR_mremap: 3592 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 3593 break; 3594 #endif 3595 /* ??? msync/mlock/munlock are broken for softmmu. */ 3596 #ifdef TARGET_NR_msync 3597 case TARGET_NR_msync: 3598 ret = get_errno(msync(g2h(arg1), arg2, arg3)); 3599 break; 3600 #endif 3601 #ifdef TARGET_NR_mlock 3602 case TARGET_NR_mlock: 3603 ret = get_errno(mlock(g2h(arg1), arg2)); 3604 break; 3605 #endif 3606 #ifdef TARGET_NR_munlock 3607 case TARGET_NR_munlock: 3608 ret = get_errno(munlock(g2h(arg1), arg2)); 3609 break; 3610 #endif 3611 #ifdef TARGET_NR_mlockall 3612 case TARGET_NR_mlockall: 3613 ret = get_errno(mlockall(arg1)); 3614 break; 3615 #endif 3616 #ifdef TARGET_NR_munlockall 3617 case TARGET_NR_munlockall: 3618 ret = get_errno(munlockall()); 3619 break; 3620 #endif 3621 case TARGET_NR_truncate: 3622 p = lock_user_string(arg1); 3623 ret = get_errno(truncate(p, arg2)); 3624 unlock_user(p, arg1, 0); 3625 break; 3626 case TARGET_NR_ftruncate: 3627 ret = get_errno(ftruncate(arg1, arg2)); 3628 break; 3629 case TARGET_NR_fchmod: 3630 ret = get_errno(fchmod(arg1, arg2)); 3631 break; 3632 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) 3633 case TARGET_NR_fchmodat: 3634 if (!arg2) { 3635 ret = -TARGET_EFAULT; 3636 goto fail; 3637 } 3638 p = lock_user_string(arg2); 3639 if (!access_ok(VERIFY_READ, p, 1)) 3640 /* Don't "goto fail" so that cleanup can happen. */ 3641 ret = -TARGET_EFAULT; 3642 else 3643 ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4)); 3644 if (p) 3645 unlock_user(p, arg2, 0); 3646 break; 3647 #endif 3648 case TARGET_NR_getpriority: 3649 /* libc does special remapping of the return value of 3650 * sys_getpriority() so it's just easiest to call 3651 * sys_getpriority() directly rather than through libc. */ 3652 ret = sys_getpriority(arg1, arg2); 3653 break; 3654 case TARGET_NR_setpriority: 3655 ret = get_errno(setpriority(arg1, arg2, arg3)); 3656 break; 3657 #ifdef TARGET_NR_profil 3658 case TARGET_NR_profil: 3659 goto unimplemented; 3660 #endif 3661 case TARGET_NR_statfs: 3662 p = lock_user_string(arg1); 3663 ret = get_errno(statfs(path(p), &stfs)); 3664 unlock_user(p, arg1, 0); 3665 convert_statfs: 3666 if (!is_error(ret)) { 3667 struct target_statfs *target_stfs; 3668 3669 lock_user_struct(target_stfs, arg2, 0); 3670 /* ??? put_user is probably wrong. */ 3671 put_user(stfs.f_type, &target_stfs->f_type); 3672 put_user(stfs.f_bsize, &target_stfs->f_bsize); 3673 put_user(stfs.f_blocks, &target_stfs->f_blocks); 3674 put_user(stfs.f_bfree, &target_stfs->f_bfree); 3675 put_user(stfs.f_bavail, &target_stfs->f_bavail); 3676 put_user(stfs.f_files, &target_stfs->f_files); 3677 put_user(stfs.f_ffree, &target_stfs->f_ffree); 3678 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); 3679 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); 3680 put_user(stfs.f_namelen, &target_stfs->f_namelen); 3681 unlock_user_struct(target_stfs, arg2, 1); 3682 } 3683 break; 3684 case TARGET_NR_fstatfs: 3685 ret = get_errno(fstatfs(arg1, &stfs)); 3686 goto convert_statfs; 3687 #ifdef TARGET_NR_statfs64 3688 case TARGET_NR_statfs64: 3689 p = lock_user_string(arg1); 3690 ret = get_errno(statfs(path(p), &stfs)); 3691 unlock_user(p, arg1, 0); 3692 convert_statfs64: 3693 if (!is_error(ret)) { 3694 struct target_statfs64 *target_stfs; 3695 3696 lock_user_struct(target_stfs, arg3, 0); 3697 /* ??? put_user is probably wrong. */ 3698 put_user(stfs.f_type, &target_stfs->f_type); 3699 put_user(stfs.f_bsize, &target_stfs->f_bsize); 3700 put_user(stfs.f_blocks, &target_stfs->f_blocks); 3701 put_user(stfs.f_bfree, &target_stfs->f_bfree); 3702 put_user(stfs.f_bavail, &target_stfs->f_bavail); 3703 put_user(stfs.f_files, &target_stfs->f_files); 3704 put_user(stfs.f_ffree, &target_stfs->f_ffree); 3705 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); 3706 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); 3707 put_user(stfs.f_namelen, &target_stfs->f_namelen); 3708 unlock_user_struct(target_stfs, arg3, 0); 3709 } 3710 break; 3711 case TARGET_NR_fstatfs64: 3712 ret = get_errno(fstatfs(arg1, &stfs)); 3713 goto convert_statfs64; 3714 #endif 3715 #ifdef TARGET_NR_ioperm 3716 case TARGET_NR_ioperm: 3717 goto unimplemented; 3718 #endif 3719 #ifdef TARGET_NR_socketcall 3720 case TARGET_NR_socketcall: 3721 ret = do_socketcall(arg1, arg2); 3722 break; 3723 #endif 3724 #ifdef TARGET_NR_accept 3725 case TARGET_NR_accept: 3726 ret = do_accept(arg1, arg2, arg3); 3727 break; 3728 #endif 3729 #ifdef TARGET_NR_bind 3730 case TARGET_NR_bind: 3731 ret = do_bind(arg1, arg2, arg3); 3732 break; 3733 #endif 3734 #ifdef TARGET_NR_connect 3735 case TARGET_NR_connect: 3736 ret = do_connect(arg1, arg2, arg3); 3737 break; 3738 #endif 3739 #ifdef TARGET_NR_getpeername 3740 case TARGET_NR_getpeername: 3741 ret = do_getpeername(arg1, arg2, arg3); 3742 break; 3743 #endif 3744 #ifdef TARGET_NR_getsockname 3745 case TARGET_NR_getsockname: 3746 ret = do_getsockname(arg1, arg2, arg3); 3747 break; 3748 #endif 3749 #ifdef TARGET_NR_getsockopt 3750 case TARGET_NR_getsockopt: 3751 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); 3752 break; 3753 #endif 3754 #ifdef TARGET_NR_listen 3755 case TARGET_NR_listen: 3756 ret = get_errno(listen(arg1, arg2)); 3757 break; 3758 #endif 3759 #ifdef TARGET_NR_recv 3760 case TARGET_NR_recv: 3761 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); 3762 break; 3763 #endif 3764 #ifdef TARGET_NR_recvfrom 3765 case TARGET_NR_recvfrom: 3766 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); 3767 break; 3768 #endif 3769 #ifdef TARGET_NR_recvmsg 3770 case TARGET_NR_recvmsg: 3771 ret = do_sendrecvmsg(arg1, arg2, arg3, 0); 3772 break; 3773 #endif 3774 #ifdef TARGET_NR_send 3775 case TARGET_NR_send: 3776 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); 3777 break; 3778 #endif 3779 #ifdef TARGET_NR_sendmsg 3780 case TARGET_NR_sendmsg: 3781 ret = do_sendrecvmsg(arg1, arg2, arg3, 1); 3782 break; 3783 #endif 3784 #ifdef TARGET_NR_sendto 3785 case TARGET_NR_sendto: 3786 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); 3787 break; 3788 #endif 3789 #ifdef TARGET_NR_shutdown 3790 case TARGET_NR_shutdown: 3791 ret = get_errno(shutdown(arg1, arg2)); 3792 break; 3793 #endif 3794 #ifdef TARGET_NR_socket 3795 case TARGET_NR_socket: 3796 ret = do_socket(arg1, arg2, arg3); 3797 break; 3798 #endif 3799 #ifdef TARGET_NR_socketpair 3800 case TARGET_NR_socketpair: 3801 ret = do_socketpair(arg1, arg2, arg3, arg4); 3802 break; 3803 #endif 3804 #ifdef TARGET_NR_setsockopt 3805 case TARGET_NR_setsockopt: 3806 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); 3807 break; 3808 #endif 3809 3810 case TARGET_NR_syslog: 3811 p = lock_user_string(arg2); 3812 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); 3813 unlock_user(p, arg2, 0); 3814 break; 3815 3816 case TARGET_NR_setitimer: 3817 { 3818 struct itimerval value, ovalue, *pvalue; 3819 3820 if (arg2) { 3821 pvalue = &value; 3822 target_to_host_timeval(&pvalue->it_interval, 3823 arg2); 3824 target_to_host_timeval(&pvalue->it_value, 3825 arg2 + sizeof(struct target_timeval)); 3826 } else { 3827 pvalue = NULL; 3828 } 3829 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 3830 if (!is_error(ret) && arg3) { 3831 host_to_target_timeval(arg3, 3832 &ovalue.it_interval); 3833 host_to_target_timeval(arg3 + sizeof(struct target_timeval), 3834 &ovalue.it_value); 3835 } 3836 } 3837 break; 3838 case TARGET_NR_getitimer: 3839 { 3840 struct itimerval value; 3841 3842 ret = get_errno(getitimer(arg1, &value)); 3843 if (!is_error(ret) && arg2) { 3844 host_to_target_timeval(arg2, 3845 &value.it_interval); 3846 host_to_target_timeval(arg2 + sizeof(struct target_timeval), 3847 &value.it_value); 3848 } 3849 } 3850 break; 3851 case TARGET_NR_stat: 3852 p = lock_user_string(arg1); 3853 ret = get_errno(stat(path(p), &st)); 3854 unlock_user(p, arg1, 0); 3855 goto do_stat; 3856 case TARGET_NR_lstat: 3857 p = lock_user_string(arg1); 3858 ret = get_errno(lstat(path(p), &st)); 3859 unlock_user(p, arg1, 0); 3860 goto do_stat; 3861 case TARGET_NR_fstat: 3862 { 3863 ret = get_errno(fstat(arg1, &st)); 3864 do_stat: 3865 if (!is_error(ret)) { 3866 struct target_stat *target_st; 3867 3868 lock_user_struct(target_st, arg2, 0); 3869 #if defined(TARGET_MIPS) || (defined(TARGET_SPARC64) && !defined(TARGET_ABI32)) 3870 target_st->st_dev = tswap32(st.st_dev); 3871 #else 3872 target_st->st_dev = tswap16(st.st_dev); 3873 #endif 3874 target_st->st_ino = tswapl(st.st_ino); 3875 #if defined(TARGET_PPC) || defined(TARGET_MIPS) 3876 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ 3877 target_st->st_uid = tswap32(st.st_uid); 3878 target_st->st_gid = tswap32(st.st_gid); 3879 #elif defined(TARGET_SPARC64) && !defined(TARGET_ABI32) 3880 target_st->st_mode = tswap32(st.st_mode); 3881 target_st->st_uid = tswap32(st.st_uid); 3882 target_st->st_gid = tswap32(st.st_gid); 3883 #else 3884 target_st->st_mode = tswap16(st.st_mode); 3885 target_st->st_uid = tswap16(st.st_uid); 3886 target_st->st_gid = tswap16(st.st_gid); 3887 #endif 3888 #if defined(TARGET_MIPS) 3889 /* If this is the same on PPC, then just merge w/ the above ifdef */ 3890 target_st->st_nlink = tswapl(st.st_nlink); 3891 target_st->st_rdev = tswapl(st.st_rdev); 3892 #elif defined(TARGET_SPARC64) && !defined(TARGET_ABI32) 3893 target_st->st_nlink = tswap32(st.st_nlink); 3894 target_st->st_rdev = tswap32(st.st_rdev); 3895 #else 3896 target_st->st_nlink = tswap16(st.st_nlink); 3897 target_st->st_rdev = tswap16(st.st_rdev); 3898 #endif 3899 target_st->st_size = tswapl(st.st_size); 3900 target_st->st_blksize = tswapl(st.st_blksize); 3901 target_st->st_blocks = tswapl(st.st_blocks); 3902 target_st->target_st_atime = tswapl(st.st_atime); 3903 target_st->target_st_mtime = tswapl(st.st_mtime); 3904 target_st->target_st_ctime = tswapl(st.st_ctime); 3905 unlock_user_struct(target_st, arg2, 1); 3906 } 3907 } 3908 break; 3909 #ifdef TARGET_NR_olduname 3910 case TARGET_NR_olduname: 3911 goto unimplemented; 3912 #endif 3913 #ifdef TARGET_NR_iopl 3914 case TARGET_NR_iopl: 3915 goto unimplemented; 3916 #endif 3917 case TARGET_NR_vhangup: 3918 ret = get_errno(vhangup()); 3919 break; 3920 #ifdef TARGET_NR_idle 3921 case TARGET_NR_idle: 3922 goto unimplemented; 3923 #endif 3924 #ifdef TARGET_NR_syscall 3925 case TARGET_NR_syscall: 3926 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 3927 break; 3928 #endif 3929 case TARGET_NR_wait4: 3930 { 3931 int status; 3932 abi_long status_ptr = arg2; 3933 struct rusage rusage, *rusage_ptr; 3934 abi_ulong target_rusage = arg4; 3935 if (target_rusage) 3936 rusage_ptr = &rusage; 3937 else 3938 rusage_ptr = NULL; 3939 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 3940 if (!is_error(ret)) { 3941 if (status_ptr) 3942 tputl(status_ptr, status); 3943 if (target_rusage) { 3944 host_to_target_rusage(target_rusage, &rusage); 3945 } 3946 } 3947 } 3948 break; 3949 #ifdef TARGET_NR_swapoff 3950 case TARGET_NR_swapoff: 3951 p = lock_user_string(arg1); 3952 ret = get_errno(swapoff(p)); 3953 unlock_user(p, arg1, 0); 3954 break; 3955 #endif 3956 case TARGET_NR_sysinfo: 3957 { 3958 struct target_sysinfo *target_value; 3959 struct sysinfo value; 3960 ret = get_errno(sysinfo(&value)); 3961 if (!is_error(ret) && arg1) 3962 { 3963 /* ??? __put_user is probably wrong. */ 3964 lock_user_struct(target_value, arg1, 0); 3965 __put_user(value.uptime, &target_value->uptime); 3966 __put_user(value.loads[0], &target_value->loads[0]); 3967 __put_user(value.loads[1], &target_value->loads[1]); 3968 __put_user(value.loads[2], &target_value->loads[2]); 3969 __put_user(value.totalram, &target_value->totalram); 3970 __put_user(value.freeram, &target_value->freeram); 3971 __put_user(value.sharedram, &target_value->sharedram); 3972 __put_user(value.bufferram, &target_value->bufferram); 3973 __put_user(value.totalswap, &target_value->totalswap); 3974 __put_user(value.freeswap, &target_value->freeswap); 3975 __put_user(value.procs, &target_value->procs); 3976 __put_user(value.totalhigh, &target_value->totalhigh); 3977 __put_user(value.freehigh, &target_value->freehigh); 3978 __put_user(value.mem_unit, &target_value->mem_unit); 3979 unlock_user_struct(target_value, arg1, 1); 3980 } 3981 } 3982 break; 3983 #ifdef TARGET_NR_ipc 3984 case TARGET_NR_ipc: 3985 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 3986 break; 3987 #endif 3988 case TARGET_NR_fsync: 3989 ret = get_errno(fsync(arg1)); 3990 break; 3991 case TARGET_NR_clone: 3992 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 3993 break; 3994 #ifdef __NR_exit_group 3995 /* new thread calls */ 3996 case TARGET_NR_exit_group: 3997 gdb_exit(cpu_env, arg1); 3998 ret = get_errno(exit_group(arg1)); 3999 break; 4000 #endif 4001 case TARGET_NR_setdomainname: 4002 p = lock_user_string(arg1); 4003 ret = get_errno(setdomainname(p, arg2)); 4004 unlock_user(p, arg1, 0); 4005 break; 4006 case TARGET_NR_uname: 4007 /* no need to transcode because we use the linux syscall */ 4008 { 4009 struct new_utsname * buf; 4010 4011 lock_user_struct(buf, arg1, 0); 4012 ret = get_errno(sys_uname(buf)); 4013 if (!is_error(ret)) { 4014 /* Overrite the native machine name with whatever is being 4015 emulated. */ 4016 strcpy (buf->machine, UNAME_MACHINE); 4017 /* Allow the user to override the reported release. */ 4018 if (qemu_uname_release && *qemu_uname_release) 4019 strcpy (buf->release, qemu_uname_release); 4020 } 4021 unlock_user_struct(buf, arg1, 1); 4022 } 4023 break; 4024 #ifdef TARGET_I386 4025 case TARGET_NR_modify_ldt: 4026 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3)); 4027 break; 4028 #if !defined(TARGET_X86_64) 4029 case TARGET_NR_vm86old: 4030 goto unimplemented; 4031 case TARGET_NR_vm86: 4032 ret = do_vm86(cpu_env, arg1, arg2); 4033 break; 4034 #endif 4035 #endif 4036 case TARGET_NR_adjtimex: 4037 goto unimplemented; 4038 #ifdef TARGET_NR_create_module 4039 case TARGET_NR_create_module: 4040 #endif 4041 case TARGET_NR_init_module: 4042 case TARGET_NR_delete_module: 4043 #ifdef TARGET_NR_get_kernel_syms 4044 case TARGET_NR_get_kernel_syms: 4045 #endif 4046 goto unimplemented; 4047 case TARGET_NR_quotactl: 4048 goto unimplemented; 4049 case TARGET_NR_getpgid: 4050 ret = get_errno(getpgid(arg1)); 4051 break; 4052 case TARGET_NR_fchdir: 4053 ret = get_errno(fchdir(arg1)); 4054 break; 4055 #ifdef TARGET_NR_bdflush /* not on x86_64 */ 4056 case TARGET_NR_bdflush: 4057 goto unimplemented; 4058 #endif 4059 #ifdef TARGET_NR_sysfs 4060 case TARGET_NR_sysfs: 4061 goto unimplemented; 4062 #endif 4063 case TARGET_NR_personality: 4064 ret = get_errno(personality(arg1)); 4065 break; 4066 #ifdef TARGET_NR_afs_syscall 4067 case TARGET_NR_afs_syscall: 4068 goto unimplemented; 4069 #endif 4070 #ifdef TARGET_NR__llseek /* Not on alpha */ 4071 case TARGET_NR__llseek: 4072 { 4073 #if defined (__x86_64__) 4074 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 4075 tput64(arg4, ret); 4076 #else 4077 int64_t res; 4078 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 4079 tput64(arg4, res); 4080 #endif 4081 } 4082 break; 4083 #endif 4084 case TARGET_NR_getdents: 4085 #if TARGET_ABI_BITS != 32 4086 goto unimplemented; 4087 #warning not supported 4088 #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 4089 { 4090 struct target_dirent *target_dirp; 4091 struct dirent *dirp; 4092 abi_long count = arg3; 4093 4094 dirp = malloc(count); 4095 if (!dirp) { 4096 ret = -TARGET_EFAULT; 4097 goto fail; 4098 } 4099 4100 ret = get_errno(sys_getdents(arg1, dirp, count)); 4101 if (!is_error(ret)) { 4102 struct dirent *de; 4103 struct target_dirent *tde; 4104 int len = ret; 4105 int reclen, treclen; 4106 int count1, tnamelen; 4107 4108 count1 = 0; 4109 de = dirp; 4110 target_dirp = lock_user(arg2, count, 0); 4111 tde = target_dirp; 4112 while (len > 0) { 4113 reclen = de->d_reclen; 4114 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long))); 4115 tde->d_reclen = tswap16(treclen); 4116 tde->d_ino = tswapl(de->d_ino); 4117 tde->d_off = tswapl(de->d_off); 4118 tnamelen = treclen - (2 * sizeof(abi_long) + 2); 4119 if (tnamelen > 256) 4120 tnamelen = 256; 4121 /* XXX: may not be correct */ 4122 strncpy(tde->d_name, de->d_name, tnamelen); 4123 de = (struct dirent *)((char *)de + reclen); 4124 len -= reclen; 4125 tde = (struct target_dirent *)((char *)tde + treclen); 4126 count1 += treclen; 4127 } 4128 ret = count1; 4129 } 4130 unlock_user(target_dirp, arg2, ret); 4131 free(dirp); 4132 } 4133 #else 4134 { 4135 struct dirent *dirp; 4136 abi_long count = arg3; 4137 4138 dirp = lock_user(arg2, count, 0); 4139 ret = get_errno(sys_getdents(arg1, dirp, count)); 4140 if (!is_error(ret)) { 4141 struct dirent *de; 4142 int len = ret; 4143 int reclen; 4144 de = dirp; 4145 while (len > 0) { 4146 reclen = de->d_reclen; 4147 if (reclen > len) 4148 break; 4149 de->d_reclen = tswap16(reclen); 4150 tswapls(&de->d_ino); 4151 tswapls(&de->d_off); 4152 de = (struct dirent *)((char *)de + reclen); 4153 len -= reclen; 4154 } 4155 } 4156 unlock_user(dirp, arg2, ret); 4157 } 4158 #endif 4159 break; 4160 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) 4161 case TARGET_NR_getdents64: 4162 { 4163 struct dirent64 *dirp; 4164 abi_long count = arg3; 4165 dirp = lock_user(arg2, count, 0); 4166 ret = get_errno(sys_getdents64(arg1, dirp, count)); 4167 if (!is_error(ret)) { 4168 struct dirent64 *de; 4169 int len = ret; 4170 int reclen; 4171 de = dirp; 4172 while (len > 0) { 4173 reclen = de->d_reclen; 4174 if (reclen > len) 4175 break; 4176 de->d_reclen = tswap16(reclen); 4177 tswap64s(&de->d_ino); 4178 tswap64s(&de->d_off); 4179 de = (struct dirent64 *)((char *)de + reclen); 4180 len -= reclen; 4181 } 4182 } 4183 unlock_user(dirp, arg2, ret); 4184 } 4185 break; 4186 #endif /* TARGET_NR_getdents64 */ 4187 #ifdef TARGET_NR__newselect 4188 case TARGET_NR__newselect: 4189 ret = do_select(arg1, arg2, arg3, arg4, arg5); 4190 break; 4191 #endif 4192 #ifdef TARGET_NR_poll 4193 case TARGET_NR_poll: 4194 { 4195 struct target_pollfd *target_pfd; 4196 unsigned int nfds = arg2; 4197 int timeout = arg3; 4198 struct pollfd *pfd; 4199 unsigned int i; 4200 4201 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1); 4202 pfd = alloca(sizeof(struct pollfd) * nfds); 4203 for(i = 0; i < nfds; i++) { 4204 pfd[i].fd = tswap32(target_pfd[i].fd); 4205 pfd[i].events = tswap16(target_pfd[i].events); 4206 } 4207 ret = get_errno(poll(pfd, nfds, timeout)); 4208 if (!is_error(ret)) { 4209 for(i = 0; i < nfds; i++) { 4210 target_pfd[i].revents = tswap16(pfd[i].revents); 4211 } 4212 ret += nfds * (sizeof(struct target_pollfd) 4213 - sizeof(struct pollfd)); 4214 } 4215 unlock_user(target_pfd, arg1, ret); 4216 } 4217 break; 4218 #endif 4219 case TARGET_NR_flock: 4220 /* NOTE: the flock constant seems to be the same for every 4221 Linux platform */ 4222 ret = get_errno(flock(arg1, arg2)); 4223 break; 4224 case TARGET_NR_readv: 4225 { 4226 int count = arg3; 4227 struct iovec *vec; 4228 4229 vec = alloca(count * sizeof(struct iovec)); 4230 lock_iovec(vec, arg2, count, 0); 4231 ret = get_errno(readv(arg1, vec, count)); 4232 unlock_iovec(vec, arg2, count, 1); 4233 } 4234 break; 4235 case TARGET_NR_writev: 4236 { 4237 int count = arg3; 4238 struct iovec *vec; 4239 4240 vec = alloca(count * sizeof(struct iovec)); 4241 lock_iovec(vec, arg2, count, 1); 4242 ret = get_errno(writev(arg1, vec, count)); 4243 unlock_iovec(vec, arg2, count, 0); 4244 } 4245 break; 4246 case TARGET_NR_getsid: 4247 ret = get_errno(getsid(arg1)); 4248 break; 4249 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ 4250 case TARGET_NR_fdatasync: 4251 ret = get_errno(fdatasync(arg1)); 4252 break; 4253 #endif 4254 case TARGET_NR__sysctl: 4255 /* We don't implement this, but ENOTDIR is always a safe 4256 return value. */ 4257 ret = -TARGET_ENOTDIR; 4258 break; 4259 case TARGET_NR_sched_setparam: 4260 { 4261 struct sched_param *target_schp; 4262 struct sched_param schp; 4263 4264 lock_user_struct(target_schp, arg2, 1); 4265 schp.sched_priority = tswap32(target_schp->sched_priority); 4266 unlock_user_struct(target_schp, arg2, 0); 4267 ret = get_errno(sched_setparam(arg1, &schp)); 4268 } 4269 break; 4270 case TARGET_NR_sched_getparam: 4271 { 4272 struct sched_param *target_schp; 4273 struct sched_param schp; 4274 ret = get_errno(sched_getparam(arg1, &schp)); 4275 if (!is_error(ret)) { 4276 lock_user_struct(target_schp, arg2, 0); 4277 target_schp->sched_priority = tswap32(schp.sched_priority); 4278 unlock_user_struct(target_schp, arg2, 1); 4279 } 4280 } 4281 break; 4282 case TARGET_NR_sched_setscheduler: 4283 { 4284 struct sched_param *target_schp; 4285 struct sched_param schp; 4286 lock_user_struct(target_schp, arg3, 1); 4287 schp.sched_priority = tswap32(target_schp->sched_priority); 4288 unlock_user_struct(target_schp, arg3, 0); 4289 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 4290 } 4291 break; 4292 case TARGET_NR_sched_getscheduler: 4293 ret = get_errno(sched_getscheduler(arg1)); 4294 break; 4295 case TARGET_NR_sched_yield: 4296 ret = get_errno(sched_yield()); 4297 break; 4298 case TARGET_NR_sched_get_priority_max: 4299 ret = get_errno(sched_get_priority_max(arg1)); 4300 break; 4301 case TARGET_NR_sched_get_priority_min: 4302 ret = get_errno(sched_get_priority_min(arg1)); 4303 break; 4304 case TARGET_NR_sched_rr_get_interval: 4305 { 4306 struct timespec ts; 4307 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 4308 if (!is_error(ret)) { 4309 host_to_target_timespec(arg2, &ts); 4310 } 4311 } 4312 break; 4313 case TARGET_NR_nanosleep: 4314 { 4315 struct timespec req, rem; 4316 target_to_host_timespec(&req, arg1); 4317 ret = get_errno(nanosleep(&req, &rem)); 4318 if (is_error(ret) && arg2) { 4319 host_to_target_timespec(arg2, &rem); 4320 } 4321 } 4322 break; 4323 #ifdef TARGET_NR_query_module 4324 case TARGET_NR_query_module: 4325 goto unimplemented; 4326 #endif 4327 #ifdef TARGET_NR_nfsservctl 4328 case TARGET_NR_nfsservctl: 4329 goto unimplemented; 4330 #endif 4331 case TARGET_NR_prctl: 4332 switch (arg1) 4333 { 4334 case PR_GET_PDEATHSIG: 4335 { 4336 int deathsig; 4337 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); 4338 if (!is_error(ret) && arg2) 4339 tput32(arg2, deathsig); 4340 } 4341 break; 4342 default: 4343 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); 4344 break; 4345 } 4346 break; 4347 #ifdef TARGET_NR_pread 4348 case TARGET_NR_pread: 4349 page_unprotect_range(arg2, arg3); 4350 p = lock_user(arg2, arg3, 0); 4351 ret = get_errno(pread(arg1, p, arg3, arg4)); 4352 unlock_user(p, arg2, ret); 4353 break; 4354 case TARGET_NR_pwrite: 4355 p = lock_user(arg2, arg3, 1); 4356 ret = get_errno(pwrite(arg1, p, arg3, arg4)); 4357 unlock_user(p, arg2, 0); 4358 break; 4359 #endif 4360 case TARGET_NR_getcwd: 4361 p = lock_user(arg1, arg2, 0); 4362 ret = get_errno(sys_getcwd1(p, arg2)); 4363 unlock_user(p, arg1, ret); 4364 break; 4365 case TARGET_NR_capget: 4366 goto unimplemented; 4367 case TARGET_NR_capset: 4368 goto unimplemented; 4369 case TARGET_NR_sigaltstack: 4370 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \ 4371 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) 4372 ret = do_sigaltstack((struct target_sigaltstack *)arg1, 4373 (struct target_sigaltstack *)arg2, 4374 get_sp_from_cpustate((CPUState *)cpu_env)); 4375 break; 4376 #else 4377 goto unimplemented; 4378 #endif 4379 case TARGET_NR_sendfile: 4380 goto unimplemented; 4381 #ifdef TARGET_NR_getpmsg 4382 case TARGET_NR_getpmsg: 4383 goto unimplemented; 4384 #endif 4385 #ifdef TARGET_NR_putpmsg 4386 case TARGET_NR_putpmsg: 4387 goto unimplemented; 4388 #endif 4389 #ifdef TARGET_NR_vfork 4390 case TARGET_NR_vfork: 4391 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 4392 break; 4393 #endif 4394 #ifdef TARGET_NR_ugetrlimit 4395 case TARGET_NR_ugetrlimit: 4396 { 4397 struct rlimit rlim; 4398 ret = get_errno(getrlimit(arg1, &rlim)); 4399 if (!is_error(ret)) { 4400 struct target_rlimit *target_rlim; 4401 lock_user_struct(target_rlim, arg2, 0); 4402 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 4403 target_rlim->rlim_max = tswapl(rlim.rlim_max); 4404 unlock_user_struct(target_rlim, arg2, 1); 4405 } 4406 break; 4407 } 4408 #endif 4409 #ifdef TARGET_NR_truncate64 4410 case TARGET_NR_truncate64: 4411 p = lock_user_string(arg1); 4412 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); 4413 unlock_user(p, arg1, 0); 4414 break; 4415 #endif 4416 #ifdef TARGET_NR_ftruncate64 4417 case TARGET_NR_ftruncate64: 4418 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); 4419 break; 4420 #endif 4421 #ifdef TARGET_NR_stat64 4422 case TARGET_NR_stat64: 4423 p = lock_user_string(arg1); 4424 ret = get_errno(stat(path(p), &st)); 4425 unlock_user(p, arg1, 0); 4426 goto do_stat64; 4427 #endif 4428 #ifdef TARGET_NR_lstat64 4429 case TARGET_NR_lstat64: 4430 p = lock_user_string(arg1); 4431 ret = get_errno(lstat(path(p), &st)); 4432 unlock_user(p, arg1, 0); 4433 goto do_stat64; 4434 #endif 4435 #ifdef TARGET_NR_fstat64 4436 case TARGET_NR_fstat64: 4437 { 4438 ret = get_errno(fstat(arg1, &st)); 4439 do_stat64: 4440 if (!is_error(ret)) { 4441 #ifdef TARGET_ARM 4442 if (((CPUARMState *)cpu_env)->eabi) { 4443 struct target_eabi_stat64 *target_st; 4444 lock_user_struct(target_st, arg2, 1); 4445 memset(target_st, 0, sizeof(struct target_eabi_stat64)); 4446 /* put_user is probably wrong. */ 4447 put_user(st.st_dev, &target_st->st_dev); 4448 put_user(st.st_ino, &target_st->st_ino); 4449 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4450 put_user(st.st_ino, &target_st->__st_ino); 4451 #endif 4452 put_user(st.st_mode, &target_st->st_mode); 4453 put_user(st.st_nlink, &target_st->st_nlink); 4454 put_user(st.st_uid, &target_st->st_uid); 4455 put_user(st.st_gid, &target_st->st_gid); 4456 put_user(st.st_rdev, &target_st->st_rdev); 4457 /* XXX: better use of kernel struct */ 4458 put_user(st.st_size, &target_st->st_size); 4459 put_user(st.st_blksize, &target_st->st_blksize); 4460 put_user(st.st_blocks, &target_st->st_blocks); 4461 put_user(st.st_atime, &target_st->target_st_atime); 4462 put_user(st.st_mtime, &target_st->target_st_mtime); 4463 put_user(st.st_ctime, &target_st->target_st_ctime); 4464 unlock_user_struct(target_st, arg2, 0); 4465 } else 4466 #endif 4467 { 4468 struct target_stat64 *target_st; 4469 lock_user_struct(target_st, arg2, 1); 4470 memset(target_st, 0, sizeof(struct target_stat64)); 4471 /* ??? put_user is probably wrong. */ 4472 put_user(st.st_dev, &target_st->st_dev); 4473 put_user(st.st_ino, &target_st->st_ino); 4474 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4475 put_user(st.st_ino, &target_st->__st_ino); 4476 #endif 4477 put_user(st.st_mode, &target_st->st_mode); 4478 put_user(st.st_nlink, &target_st->st_nlink); 4479 put_user(st.st_uid, &target_st->st_uid); 4480 put_user(st.st_gid, &target_st->st_gid); 4481 put_user(st.st_rdev, &target_st->st_rdev); 4482 /* XXX: better use of kernel struct */ 4483 put_user(st.st_size, &target_st->st_size); 4484 put_user(st.st_blksize, &target_st->st_blksize); 4485 put_user(st.st_blocks, &target_st->st_blocks); 4486 put_user(st.st_atime, &target_st->target_st_atime); 4487 put_user(st.st_mtime, &target_st->target_st_mtime); 4488 put_user(st.st_ctime, &target_st->target_st_ctime); 4489 unlock_user_struct(target_st, arg2, 0); 4490 } 4491 } 4492 } 4493 break; 4494 #endif 4495 #ifdef USE_UID16 4496 case TARGET_NR_lchown: 4497 p = lock_user_string(arg1); 4498 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); 4499 unlock_user(p, arg1, 0); 4500 break; 4501 case TARGET_NR_getuid: 4502 ret = get_errno(high2lowuid(getuid())); 4503 break; 4504 case TARGET_NR_getgid: 4505 ret = get_errno(high2lowgid(getgid())); 4506 break; 4507 case TARGET_NR_geteuid: 4508 ret = get_errno(high2lowuid(geteuid())); 4509 break; 4510 case TARGET_NR_getegid: 4511 ret = get_errno(high2lowgid(getegid())); 4512 break; 4513 case TARGET_NR_setreuid: 4514 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 4515 break; 4516 case TARGET_NR_setregid: 4517 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 4518 break; 4519 case TARGET_NR_getgroups: 4520 { 4521 int gidsetsize = arg1; 4522 uint16_t *target_grouplist; 4523 gid_t *grouplist; 4524 int i; 4525 4526 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4527 ret = get_errno(getgroups(gidsetsize, grouplist)); 4528 if (!is_error(ret)) { 4529 target_grouplist = lock_user(arg2, gidsetsize * 2, 0); 4530 for(i = 0;i < gidsetsize; i++) 4531 target_grouplist[i] = tswap16(grouplist[i]); 4532 unlock_user(target_grouplist, arg2, gidsetsize * 2); 4533 } 4534 } 4535 break; 4536 case TARGET_NR_setgroups: 4537 { 4538 int gidsetsize = arg1; 4539 uint16_t *target_grouplist; 4540 gid_t *grouplist; 4541 int i; 4542 4543 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4544 target_grouplist = lock_user(arg2, gidsetsize * 2, 1); 4545 for(i = 0;i < gidsetsize; i++) 4546 grouplist[i] = tswap16(target_grouplist[i]); 4547 unlock_user(target_grouplist, arg2, 0); 4548 ret = get_errno(setgroups(gidsetsize, grouplist)); 4549 } 4550 break; 4551 case TARGET_NR_fchown: 4552 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 4553 break; 4554 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) 4555 case TARGET_NR_fchownat: 4556 if (!arg2) { 4557 ret = -TARGET_EFAULT; 4558 goto fail; 4559 } 4560 p = lock_user_string(arg2); 4561 if (!access_ok(VERIFY_READ, p, 1)) 4562 /* Don't "goto fail" so that cleanup can happen. */ 4563 ret = -TARGET_EFAULT; 4564 else 4565 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); 4566 if (p) 4567 unlock_user(p, arg2, 0); 4568 break; 4569 #endif 4570 #ifdef TARGET_NR_setresuid 4571 case TARGET_NR_setresuid: 4572 ret = get_errno(setresuid(low2highuid(arg1), 4573 low2highuid(arg2), 4574 low2highuid(arg3))); 4575 break; 4576 #endif 4577 #ifdef TARGET_NR_getresuid 4578 case TARGET_NR_getresuid: 4579 { 4580 uid_t ruid, euid, suid; 4581 ret = get_errno(getresuid(&ruid, &euid, &suid)); 4582 if (!is_error(ret)) { 4583 tput16(arg1, tswap16(high2lowuid(ruid))); 4584 tput16(arg2, tswap16(high2lowuid(euid))); 4585 tput16(arg3, tswap16(high2lowuid(suid))); 4586 } 4587 } 4588 break; 4589 #endif 4590 #ifdef TARGET_NR_getresgid 4591 case TARGET_NR_setresgid: 4592 ret = get_errno(setresgid(low2highgid(arg1), 4593 low2highgid(arg2), 4594 low2highgid(arg3))); 4595 break; 4596 #endif 4597 #ifdef TARGET_NR_getresgid 4598 case TARGET_NR_getresgid: 4599 { 4600 gid_t rgid, egid, sgid; 4601 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 4602 if (!is_error(ret)) { 4603 tput16(arg1, tswap16(high2lowgid(rgid))); 4604 tput16(arg2, tswap16(high2lowgid(egid))); 4605 tput16(arg3, tswap16(high2lowgid(sgid))); 4606 } 4607 } 4608 break; 4609 #endif 4610 case TARGET_NR_chown: 4611 p = lock_user_string(arg1); 4612 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); 4613 unlock_user(p, arg1, 0); 4614 break; 4615 case TARGET_NR_setuid: 4616 ret = get_errno(setuid(low2highuid(arg1))); 4617 break; 4618 case TARGET_NR_setgid: 4619 ret = get_errno(setgid(low2highgid(arg1))); 4620 break; 4621 case TARGET_NR_setfsuid: 4622 ret = get_errno(setfsuid(arg1)); 4623 break; 4624 case TARGET_NR_setfsgid: 4625 ret = get_errno(setfsgid(arg1)); 4626 break; 4627 #endif /* USE_UID16 */ 4628 4629 #ifdef TARGET_NR_lchown32 4630 case TARGET_NR_lchown32: 4631 p = lock_user_string(arg1); 4632 ret = get_errno(lchown(p, arg2, arg3)); 4633 unlock_user(p, arg1, 0); 4634 break; 4635 #endif 4636 #ifdef TARGET_NR_getuid32 4637 case TARGET_NR_getuid32: 4638 ret = get_errno(getuid()); 4639 break; 4640 #endif 4641 #ifdef TARGET_NR_getgid32 4642 case TARGET_NR_getgid32: 4643 ret = get_errno(getgid()); 4644 break; 4645 #endif 4646 #ifdef TARGET_NR_geteuid32 4647 case TARGET_NR_geteuid32: 4648 ret = get_errno(geteuid()); 4649 break; 4650 #endif 4651 #ifdef TARGET_NR_getegid32 4652 case TARGET_NR_getegid32: 4653 ret = get_errno(getegid()); 4654 break; 4655 #endif 4656 #ifdef TARGET_NR_setreuid32 4657 case TARGET_NR_setreuid32: 4658 ret = get_errno(setreuid(arg1, arg2)); 4659 break; 4660 #endif 4661 #ifdef TARGET_NR_setregid32 4662 case TARGET_NR_setregid32: 4663 ret = get_errno(setregid(arg1, arg2)); 4664 break; 4665 #endif 4666 #ifdef TARGET_NR_getgroups32 4667 case TARGET_NR_getgroups32: 4668 { 4669 int gidsetsize = arg1; 4670 uint32_t *target_grouplist; 4671 gid_t *grouplist; 4672 int i; 4673 4674 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4675 ret = get_errno(getgroups(gidsetsize, grouplist)); 4676 if (!is_error(ret)) { 4677 target_grouplist = lock_user(arg2, gidsetsize * 4, 0); 4678 for(i = 0;i < gidsetsize; i++) 4679 target_grouplist[i] = tswap32(grouplist[i]); 4680 unlock_user(target_grouplist, arg2, gidsetsize * 4); 4681 } 4682 } 4683 break; 4684 #endif 4685 #ifdef TARGET_NR_setgroups32 4686 case TARGET_NR_setgroups32: 4687 { 4688 int gidsetsize = arg1; 4689 uint32_t *target_grouplist; 4690 gid_t *grouplist; 4691 int i; 4692 4693 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4694 target_grouplist = lock_user(arg2, gidsetsize * 4, 1); 4695 for(i = 0;i < gidsetsize; i++) 4696 grouplist[i] = tswap32(target_grouplist[i]); 4697 unlock_user(target_grouplist, arg2, 0); 4698 ret = get_errno(setgroups(gidsetsize, grouplist)); 4699 } 4700 break; 4701 #endif 4702 #ifdef TARGET_NR_fchown32 4703 case TARGET_NR_fchown32: 4704 ret = get_errno(fchown(arg1, arg2, arg3)); 4705 break; 4706 #endif 4707 #ifdef TARGET_NR_setresuid32 4708 case TARGET_NR_setresuid32: 4709 ret = get_errno(setresuid(arg1, arg2, arg3)); 4710 break; 4711 #endif 4712 #ifdef TARGET_NR_getresuid32 4713 case TARGET_NR_getresuid32: 4714 { 4715 uid_t ruid, euid, suid; 4716 ret = get_errno(getresuid(&ruid, &euid, &suid)); 4717 if (!is_error(ret)) { 4718 tput32(arg1, tswap32(ruid)); 4719 tput32(arg2, tswap32(euid)); 4720 tput32(arg3, tswap32(suid)); 4721 } 4722 } 4723 break; 4724 #endif 4725 #ifdef TARGET_NR_setresgid32 4726 case TARGET_NR_setresgid32: 4727 ret = get_errno(setresgid(arg1, arg2, arg3)); 4728 break; 4729 #endif 4730 #ifdef TARGET_NR_getresgid32 4731 case TARGET_NR_getresgid32: 4732 { 4733 gid_t rgid, egid, sgid; 4734 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 4735 if (!is_error(ret)) { 4736 tput32(arg1, tswap32(rgid)); 4737 tput32(arg2, tswap32(egid)); 4738 tput32(arg3, tswap32(sgid)); 4739 } 4740 } 4741 break; 4742 #endif 4743 #ifdef TARGET_NR_chown32 4744 case TARGET_NR_chown32: 4745 p = lock_user_string(arg1); 4746 ret = get_errno(chown(p, arg2, arg3)); 4747 unlock_user(p, arg1, 0); 4748 break; 4749 #endif 4750 #ifdef TARGET_NR_setuid32 4751 case TARGET_NR_setuid32: 4752 ret = get_errno(setuid(arg1)); 4753 break; 4754 #endif 4755 #ifdef TARGET_NR_setgid32 4756 case TARGET_NR_setgid32: 4757 ret = get_errno(setgid(arg1)); 4758 break; 4759 #endif 4760 #ifdef TARGET_NR_setfsuid32 4761 case TARGET_NR_setfsuid32: 4762 ret = get_errno(setfsuid(arg1)); 4763 break; 4764 #endif 4765 #ifdef TARGET_NR_setfsgid32 4766 case TARGET_NR_setfsgid32: 4767 ret = get_errno(setfsgid(arg1)); 4768 break; 4769 #endif 4770 4771 case TARGET_NR_pivot_root: 4772 goto unimplemented; 4773 #ifdef TARGET_NR_mincore 4774 case TARGET_NR_mincore: 4775 goto unimplemented; 4776 #endif 4777 #ifdef TARGET_NR_madvise 4778 case TARGET_NR_madvise: 4779 /* A straight passthrough may not be safe because qemu sometimes 4780 turns private flie-backed mappings into anonymous mappings. 4781 This will break MADV_DONTNEED. 4782 This is a hint, so ignoring and returning success is ok. */ 4783 ret = get_errno(0); 4784 break; 4785 #endif 4786 #if TARGET_ABI_BITS == 32 4787 case TARGET_NR_fcntl64: 4788 { 4789 int cmd; 4790 struct flock64 fl; 4791 struct target_flock64 *target_fl; 4792 #ifdef TARGET_ARM 4793 struct target_eabi_flock64 *target_efl; 4794 #endif 4795 4796 switch(arg2){ 4797 case TARGET_F_GETLK64: 4798 cmd = F_GETLK64; 4799 break; 4800 case TARGET_F_SETLK64: 4801 cmd = F_SETLK64; 4802 break; 4803 case TARGET_F_SETLKW64: 4804 cmd = F_SETLK64; 4805 break; 4806 default: 4807 cmd = arg2; 4808 break; 4809 } 4810 4811 switch(arg2) { 4812 case TARGET_F_GETLK64: 4813 #ifdef TARGET_ARM 4814 if (((CPUARMState *)cpu_env)->eabi) { 4815 lock_user_struct(target_efl, arg3, 1); 4816 fl.l_type = tswap16(target_efl->l_type); 4817 fl.l_whence = tswap16(target_efl->l_whence); 4818 fl.l_start = tswap64(target_efl->l_start); 4819 fl.l_len = tswap64(target_efl->l_len); 4820 fl.l_pid = tswapl(target_efl->l_pid); 4821 unlock_user_struct(target_efl, arg3, 0); 4822 } else 4823 #endif 4824 { 4825 lock_user_struct(target_fl, arg3, 1); 4826 fl.l_type = tswap16(target_fl->l_type); 4827 fl.l_whence = tswap16(target_fl->l_whence); 4828 fl.l_start = tswap64(target_fl->l_start); 4829 fl.l_len = tswap64(target_fl->l_len); 4830 fl.l_pid = tswapl(target_fl->l_pid); 4831 unlock_user_struct(target_fl, arg3, 0); 4832 } 4833 ret = get_errno(fcntl(arg1, cmd, &fl)); 4834 if (ret == 0) { 4835 #ifdef TARGET_ARM 4836 if (((CPUARMState *)cpu_env)->eabi) { 4837 lock_user_struct(target_efl, arg3, 0); 4838 target_efl->l_type = tswap16(fl.l_type); 4839 target_efl->l_whence = tswap16(fl.l_whence); 4840 target_efl->l_start = tswap64(fl.l_start); 4841 target_efl->l_len = tswap64(fl.l_len); 4842 target_efl->l_pid = tswapl(fl.l_pid); 4843 unlock_user_struct(target_efl, arg3, 1); 4844 } else 4845 #endif 4846 { 4847 lock_user_struct(target_fl, arg3, 0); 4848 target_fl->l_type = tswap16(fl.l_type); 4849 target_fl->l_whence = tswap16(fl.l_whence); 4850 target_fl->l_start = tswap64(fl.l_start); 4851 target_fl->l_len = tswap64(fl.l_len); 4852 target_fl->l_pid = tswapl(fl.l_pid); 4853 unlock_user_struct(target_fl, arg3, 1); 4854 } 4855 } 4856 break; 4857 4858 case TARGET_F_SETLK64: 4859 case TARGET_F_SETLKW64: 4860 #ifdef TARGET_ARM 4861 if (((CPUARMState *)cpu_env)->eabi) { 4862 lock_user_struct(target_efl, arg3, 1); 4863 fl.l_type = tswap16(target_efl->l_type); 4864 fl.l_whence = tswap16(target_efl->l_whence); 4865 fl.l_start = tswap64(target_efl->l_start); 4866 fl.l_len = tswap64(target_efl->l_len); 4867 fl.l_pid = tswapl(target_efl->l_pid); 4868 unlock_user_struct(target_efl, arg3, 0); 4869 } else 4870 #endif 4871 { 4872 lock_user_struct(target_fl, arg3, 1); 4873 fl.l_type = tswap16(target_fl->l_type); 4874 fl.l_whence = tswap16(target_fl->l_whence); 4875 fl.l_start = tswap64(target_fl->l_start); 4876 fl.l_len = tswap64(target_fl->l_len); 4877 fl.l_pid = tswapl(target_fl->l_pid); 4878 unlock_user_struct(target_fl, arg3, 0); 4879 } 4880 ret = get_errno(fcntl(arg1, cmd, &fl)); 4881 break; 4882 default: 4883 ret = get_errno(do_fcntl(arg1, cmd, arg3)); 4884 break; 4885 } 4886 break; 4887 } 4888 #endif 4889 #ifdef TARGET_NR_cacheflush 4890 case TARGET_NR_cacheflush: 4891 /* self-modifying code is handled automatically, so nothing needed */ 4892 ret = 0; 4893 break; 4894 #endif 4895 #ifdef TARGET_NR_security 4896 case TARGET_NR_security: 4897 goto unimplemented; 4898 #endif 4899 #ifdef TARGET_NR_getpagesize 4900 case TARGET_NR_getpagesize: 4901 ret = TARGET_PAGE_SIZE; 4902 break; 4903 #endif 4904 case TARGET_NR_gettid: 4905 ret = get_errno(gettid()); 4906 break; 4907 #ifdef TARGET_NR_readahead 4908 case TARGET_NR_readahead: 4909 goto unimplemented; 4910 #endif 4911 #ifdef TARGET_NR_setxattr 4912 case TARGET_NR_setxattr: 4913 case TARGET_NR_lsetxattr: 4914 case TARGET_NR_fsetxattr: 4915 case TARGET_NR_getxattr: 4916 case TARGET_NR_lgetxattr: 4917 case TARGET_NR_fgetxattr: 4918 case TARGET_NR_listxattr: 4919 case TARGET_NR_llistxattr: 4920 case TARGET_NR_flistxattr: 4921 case TARGET_NR_removexattr: 4922 case TARGET_NR_lremovexattr: 4923 case TARGET_NR_fremovexattr: 4924 goto unimplemented_nowarn; 4925 #endif 4926 #ifdef TARGET_NR_set_thread_area 4927 case TARGET_NR_set_thread_area: 4928 #ifdef TARGET_MIPS 4929 ((CPUMIPSState *) cpu_env)->tls_value = arg1; 4930 ret = 0; 4931 break; 4932 #else 4933 goto unimplemented_nowarn; 4934 #endif 4935 #endif 4936 #ifdef TARGET_NR_get_thread_area 4937 case TARGET_NR_get_thread_area: 4938 goto unimplemented_nowarn; 4939 #endif 4940 #ifdef TARGET_NR_getdomainname 4941 case TARGET_NR_getdomainname: 4942 goto unimplemented_nowarn; 4943 #endif 4944 4945 #ifdef TARGET_NR_clock_gettime 4946 case TARGET_NR_clock_gettime: 4947 { 4948 struct timespec ts; 4949 ret = get_errno(clock_gettime(arg1, &ts)); 4950 if (!is_error(ret)) { 4951 host_to_target_timespec(arg2, &ts); 4952 } 4953 break; 4954 } 4955 #endif 4956 #ifdef TARGET_NR_clock_getres 4957 case TARGET_NR_clock_getres: 4958 { 4959 struct timespec ts; 4960 ret = get_errno(clock_getres(arg1, &ts)); 4961 if (!is_error(ret)) { 4962 host_to_target_timespec(arg2, &ts); 4963 } 4964 break; 4965 } 4966 #endif 4967 4968 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) 4969 case TARGET_NR_set_tid_address: 4970 ret = get_errno(set_tid_address((int *) arg1)); 4971 break; 4972 #endif 4973 4974 #if defined(TARGET_NR_tkill) && defined(__NR_tkill) 4975 case TARGET_NR_tkill: 4976 ret = get_errno(sys_tkill((int)arg1, (int)arg2)); 4977 break; 4978 #endif 4979 4980 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) 4981 case TARGET_NR_tgkill: 4982 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3)); 4983 break; 4984 #endif 4985 4986 #ifdef TARGET_NR_set_robust_list 4987 case TARGET_NR_set_robust_list: 4988 goto unimplemented_nowarn; 4989 #endif 4990 4991 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat) 4992 case TARGET_NR_utimensat: 4993 { 4994 struct timespec ts[2]; 4995 target_to_host_timespec(ts, arg3); 4996 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); 4997 if (!arg2) 4998 ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4)); 4999 else { 5000 p = lock_user_string(arg2); 5001 if (!access_ok(VERIFY_READ, p, 1)) 5002 /* Don't "goto fail" so that cleanup can happen. */ 5003 ret = -TARGET_EFAULT; 5004 else 5005 ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4)); 5006 if (p) 5007 unlock_user(p, arg2, 0); 5008 } 5009 } 5010 break; 5011 #endif 5012 5013 default: 5014 unimplemented: 5015 gemu_log("qemu: Unsupported syscall: %d\n", num); 5016 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) 5017 unimplemented_nowarn: 5018 #endif 5019 ret = -TARGET_ENOSYS; 5020 break; 5021 } 5022 fail: 5023 #ifdef DEBUG 5024 gemu_log(" = %ld\n", ret); 5025 #endif 5026 return ret; 5027 } 5028