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 #define ERRNO_TABLE_SIZE 1200 255 256 /* target_to_host_errno_table[] is initialized from 257 * host_to_target_errno_table[] in syscall_init(). */ 258 static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { 259 }; 260 261 /* 262 * This list is the union of errno values overridden in asm-<arch>/errno.h 263 * minus the errnos that are not actually generic to all archs. 264 */ 265 static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { 266 [EIDRM] = TARGET_EIDRM, 267 [ECHRNG] = TARGET_ECHRNG, 268 [EL2NSYNC] = TARGET_EL2NSYNC, 269 [EL3HLT] = TARGET_EL3HLT, 270 [EL3RST] = TARGET_EL3RST, 271 [ELNRNG] = TARGET_ELNRNG, 272 [EUNATCH] = TARGET_EUNATCH, 273 [ENOCSI] = TARGET_ENOCSI, 274 [EL2HLT] = TARGET_EL2HLT, 275 [EDEADLK] = TARGET_EDEADLK, 276 [ENOLCK] = TARGET_ENOLCK, 277 [EBADE] = TARGET_EBADE, 278 [EBADR] = TARGET_EBADR, 279 [EXFULL] = TARGET_EXFULL, 280 [ENOANO] = TARGET_ENOANO, 281 [EBADRQC] = TARGET_EBADRQC, 282 [EBADSLT] = TARGET_EBADSLT, 283 [EBFONT] = TARGET_EBFONT, 284 [ENOSTR] = TARGET_ENOSTR, 285 [ENODATA] = TARGET_ENODATA, 286 [ETIME] = TARGET_ETIME, 287 [ENOSR] = TARGET_ENOSR, 288 [ENONET] = TARGET_ENONET, 289 [ENOPKG] = TARGET_ENOPKG, 290 [EREMOTE] = TARGET_EREMOTE, 291 [ENOLINK] = TARGET_ENOLINK, 292 [EADV] = TARGET_EADV, 293 [ESRMNT] = TARGET_ESRMNT, 294 [ECOMM] = TARGET_ECOMM, 295 [EPROTO] = TARGET_EPROTO, 296 [EDOTDOT] = TARGET_EDOTDOT, 297 [EMULTIHOP] = TARGET_EMULTIHOP, 298 [EBADMSG] = TARGET_EBADMSG, 299 [ENAMETOOLONG] = TARGET_ENAMETOOLONG, 300 [EOVERFLOW] = TARGET_EOVERFLOW, 301 [ENOTUNIQ] = TARGET_ENOTUNIQ, 302 [EBADFD] = TARGET_EBADFD, 303 [EREMCHG] = TARGET_EREMCHG, 304 [ELIBACC] = TARGET_ELIBACC, 305 [ELIBBAD] = TARGET_ELIBBAD, 306 [ELIBSCN] = TARGET_ELIBSCN, 307 [ELIBMAX] = TARGET_ELIBMAX, 308 [ELIBEXEC] = TARGET_ELIBEXEC, 309 [EILSEQ] = TARGET_EILSEQ, 310 [ENOSYS] = TARGET_ENOSYS, 311 [ELOOP] = TARGET_ELOOP, 312 [ERESTART] = TARGET_ERESTART, 313 [ESTRPIPE] = TARGET_ESTRPIPE, 314 [ENOTEMPTY] = TARGET_ENOTEMPTY, 315 [EUSERS] = TARGET_EUSERS, 316 [ENOTSOCK] = TARGET_ENOTSOCK, 317 [EDESTADDRREQ] = TARGET_EDESTADDRREQ, 318 [EMSGSIZE] = TARGET_EMSGSIZE, 319 [EPROTOTYPE] = TARGET_EPROTOTYPE, 320 [ENOPROTOOPT] = TARGET_ENOPROTOOPT, 321 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, 322 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, 323 [EOPNOTSUPP] = TARGET_EOPNOTSUPP, 324 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, 325 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, 326 [EADDRINUSE] = TARGET_EADDRINUSE, 327 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, 328 [ENETDOWN] = TARGET_ENETDOWN, 329 [ENETUNREACH] = TARGET_ENETUNREACH, 330 [ENETRESET] = TARGET_ENETRESET, 331 [ECONNABORTED] = TARGET_ECONNABORTED, 332 [ECONNRESET] = TARGET_ECONNRESET, 333 [ENOBUFS] = TARGET_ENOBUFS, 334 [EISCONN] = TARGET_EISCONN, 335 [ENOTCONN] = TARGET_ENOTCONN, 336 [EUCLEAN] = TARGET_EUCLEAN, 337 [ENOTNAM] = TARGET_ENOTNAM, 338 [ENAVAIL] = TARGET_ENAVAIL, 339 [EISNAM] = TARGET_EISNAM, 340 [EREMOTEIO] = TARGET_EREMOTEIO, 341 [ESHUTDOWN] = TARGET_ESHUTDOWN, 342 [ETOOMANYREFS] = TARGET_ETOOMANYREFS, 343 [ETIMEDOUT] = TARGET_ETIMEDOUT, 344 [ECONNREFUSED] = TARGET_ECONNREFUSED, 345 [EHOSTDOWN] = TARGET_EHOSTDOWN, 346 [EHOSTUNREACH] = TARGET_EHOSTUNREACH, 347 [EALREADY] = TARGET_EALREADY, 348 [EINPROGRESS] = TARGET_EINPROGRESS, 349 [ESTALE] = TARGET_ESTALE, 350 [ECANCELED] = TARGET_ECANCELED, 351 [ENOMEDIUM] = TARGET_ENOMEDIUM, 352 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, 353 #ifdef ENOKEY 354 [ENOKEY] = TARGET_ENOKEY, 355 #endif 356 #ifdef EKEYEXPIRED 357 [EKEYEXPIRED] = TARGET_EKEYEXPIRED, 358 #endif 359 #ifdef EKEYREVOKED 360 [EKEYREVOKED] = TARGET_EKEYREVOKED, 361 #endif 362 #ifdef EKEYREJECTED 363 [EKEYREJECTED] = TARGET_EKEYREJECTED, 364 #endif 365 #ifdef EOWNERDEAD 366 [EOWNERDEAD] = TARGET_EOWNERDEAD, 367 #endif 368 #ifdef ENOTRECOVERABLE 369 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, 370 #endif 371 }; 372 373 static inline int host_to_target_errno(int err) 374 { 375 if(host_to_target_errno_table[err]) 376 return host_to_target_errno_table[err]; 377 return err; 378 } 379 380 static inline int target_to_host_errno(int err) 381 { 382 if (target_to_host_errno_table[err]) 383 return target_to_host_errno_table[err]; 384 return err; 385 } 386 387 static inline abi_long get_errno(abi_long ret) 388 { 389 if (ret == -1) 390 return -host_to_target_errno(errno); 391 else 392 return ret; 393 } 394 395 static inline int is_error(abi_long ret) 396 { 397 return (abi_ulong)ret >= (abi_ulong)(-4096); 398 } 399 400 char *target_strerror(int err) 401 { 402 return strerror(target_to_host_errno(err)); 403 } 404 405 static abi_ulong target_brk; 406 static abi_ulong target_original_brk; 407 408 void target_set_brk(abi_ulong new_brk) 409 { 410 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); 411 } 412 413 /* do_brk() must return target values and target errnos. */ 414 abi_long do_brk(abi_ulong new_brk) 415 { 416 abi_ulong brk_page; 417 abi_long mapped_addr; 418 int new_alloc_size; 419 420 if (!new_brk) 421 return target_brk; 422 if (new_brk < target_original_brk) 423 return -TARGET_ENOMEM; 424 425 brk_page = HOST_PAGE_ALIGN(target_brk); 426 427 /* If the new brk is less than this, set it and we're done... */ 428 if (new_brk < brk_page) { 429 target_brk = new_brk; 430 return target_brk; 431 } 432 433 /* We need to allocate more memory after the brk... */ 434 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1); 435 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, 436 PROT_READ|PROT_WRITE, 437 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); 438 if (is_error(mapped_addr)) { 439 return mapped_addr; 440 } else { 441 target_brk = new_brk; 442 return target_brk; 443 } 444 } 445 446 static inline fd_set *target_to_host_fds(fd_set *fds, 447 abi_long *target_fds, int n) 448 { 449 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 450 return (fd_set *)target_fds; 451 #else 452 int i, b; 453 if (target_fds) { 454 FD_ZERO(fds); 455 for(i = 0;i < n; i++) { 456 b = (tswapl(target_fds[i / TARGET_ABI_BITS]) >> 457 (i & (TARGET_ABI_BITS - 1))) & 1; 458 if (b) 459 FD_SET(i, fds); 460 } 461 return fds; 462 } else { 463 return NULL; 464 } 465 #endif 466 } 467 468 static inline void host_to_target_fds(abi_long *target_fds, 469 fd_set *fds, int n) 470 { 471 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 472 /* nothing to do */ 473 #else 474 int i, nw, j, k; 475 abi_long v; 476 477 if (target_fds) { 478 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; 479 k = 0; 480 for(i = 0;i < nw; i++) { 481 v = 0; 482 for(j = 0; j < TARGET_ABI_BITS; j++) { 483 v |= ((FD_ISSET(k, fds) != 0) << j); 484 k++; 485 } 486 target_fds[i] = tswapl(v); 487 } 488 } 489 #endif 490 } 491 492 #if defined(__alpha__) 493 #define HOST_HZ 1024 494 #else 495 #define HOST_HZ 100 496 #endif 497 498 static inline abi_long host_to_target_clock_t(long ticks) 499 { 500 #if HOST_HZ == TARGET_HZ 501 return ticks; 502 #else 503 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; 504 #endif 505 } 506 507 static inline abi_long host_to_target_rusage(abi_ulong target_addr, 508 const struct rusage *rusage) 509 { 510 struct target_rusage *target_rusage; 511 512 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) 513 return -TARGET_EFAULT; 514 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); 515 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); 516 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); 517 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); 518 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); 519 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); 520 target_rusage->ru_idrss = tswapl(rusage->ru_idrss); 521 target_rusage->ru_isrss = tswapl(rusage->ru_isrss); 522 target_rusage->ru_minflt = tswapl(rusage->ru_minflt); 523 target_rusage->ru_majflt = tswapl(rusage->ru_majflt); 524 target_rusage->ru_nswap = tswapl(rusage->ru_nswap); 525 target_rusage->ru_inblock = tswapl(rusage->ru_inblock); 526 target_rusage->ru_oublock = tswapl(rusage->ru_oublock); 527 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); 528 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); 529 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); 530 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); 531 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); 532 unlock_user_struct(target_rusage, target_addr, 1); 533 534 return 0; 535 } 536 537 static inline abi_long target_to_host_timeval(struct timeval *tv, 538 abi_ulong target_addr) 539 { 540 struct target_timeval *target_tv; 541 542 if (!lock_user_struct(VERIFY_READ, target_tv, target_addr, 1)) 543 return -TARGET_EFAULT; 544 tv->tv_sec = tswapl(target_tv->tv_sec); 545 tv->tv_usec = tswapl(target_tv->tv_usec); 546 unlock_user_struct(target_tv, target_addr, 0); 547 548 return 0; 549 } 550 551 static inline abi_long host_to_target_timeval(abi_ulong target_addr, 552 const struct timeval *tv) 553 { 554 struct target_timeval *target_tv; 555 556 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_addr, 0)) 557 return -TARGET_EFAULT; 558 target_tv->tv_sec = tswapl(tv->tv_sec); 559 target_tv->tv_usec = tswapl(tv->tv_usec); 560 unlock_user_struct(target_tv, target_addr, 1); 561 562 return 0; 563 } 564 565 566 /* do_select() must return target values and target errnos. */ 567 static abi_long do_select(int n, 568 abi_ulong rfd_p, abi_ulong wfd_p, 569 abi_ulong efd_p, abi_ulong target_tv) 570 { 571 fd_set rfds, wfds, efds; 572 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; 573 abi_long *target_rfds, *target_wfds, *target_efds; 574 struct timeval tv, *tv_ptr; 575 abi_long ret; 576 int ok; 577 578 if (rfd_p) { 579 target_rfds = lock_user(VERIFY_WRITE, rfd_p, sizeof(abi_long) * n, 1); 580 if (!target_rfds) { 581 ret = -TARGET_EFAULT; 582 goto end; 583 } 584 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); 585 } else { 586 target_rfds = NULL; 587 rfds_ptr = NULL; 588 } 589 if (wfd_p) { 590 target_wfds = lock_user(VERIFY_WRITE, wfd_p, sizeof(abi_long) * n, 1); 591 if (!target_wfds) { 592 ret = -TARGET_EFAULT; 593 goto end; 594 } 595 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); 596 } else { 597 target_wfds = NULL; 598 wfds_ptr = NULL; 599 } 600 if (efd_p) { 601 target_efds = lock_user(VERIFY_WRITE, efd_p, sizeof(abi_long) * n, 1); 602 if (!target_efds) { 603 ret = -TARGET_EFAULT; 604 goto end; 605 } 606 efds_ptr = target_to_host_fds(&efds, target_efds, n); 607 } else { 608 target_efds = NULL; 609 efds_ptr = NULL; 610 } 611 612 if (target_tv) { 613 target_to_host_timeval(&tv, target_tv); 614 tv_ptr = &tv; 615 } else { 616 tv_ptr = NULL; 617 } 618 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); 619 ok = !is_error(ret); 620 621 if (ok) { 622 host_to_target_fds(target_rfds, rfds_ptr, n); 623 host_to_target_fds(target_wfds, wfds_ptr, n); 624 host_to_target_fds(target_efds, efds_ptr, n); 625 626 if (target_tv) { 627 host_to_target_timeval(target_tv, &tv); 628 } 629 } 630 631 end: 632 unlock_user(target_rfds, rfd_p, ok ? sizeof(abi_long) * n : 0); 633 unlock_user(target_wfds, wfd_p, ok ? sizeof(abi_long) * n : 0); 634 unlock_user(target_efds, efd_p, ok ? sizeof(abi_long) * n : 0); 635 636 return ret; 637 } 638 639 static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, 640 abi_ulong target_addr, 641 socklen_t len) 642 { 643 struct target_sockaddr *target_saddr; 644 645 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); 646 if (!target_saddr) 647 return -TARGET_EFAULT; 648 memcpy(addr, target_saddr, len); 649 addr->sa_family = tswap16(target_saddr->sa_family); 650 unlock_user(target_saddr, target_addr, 0); 651 652 return 0; 653 } 654 655 static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, 656 struct sockaddr *addr, 657 socklen_t len) 658 { 659 struct target_sockaddr *target_saddr; 660 661 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); 662 if (!target_saddr) 663 return -TARGET_EFAULT; 664 memcpy(target_saddr, addr, len); 665 target_saddr->sa_family = tswap16(addr->sa_family); 666 unlock_user(target_saddr, target_addr, len); 667 668 return 0; 669 } 670 671 /* ??? Should this also swap msgh->name? */ 672 static inline abi_long target_to_host_cmsg(struct msghdr *msgh, 673 struct target_msghdr *target_msgh) 674 { 675 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 676 abi_long msg_controllen; 677 abi_ulong target_cmsg_addr; 678 struct target_cmsghdr *target_cmsg; 679 socklen_t space = 0; 680 681 msg_controllen = tswapl(target_msgh->msg_controllen); 682 if (msg_controllen < sizeof (struct target_cmsghdr)) 683 goto the_end; 684 target_cmsg_addr = tswapl(target_msgh->msg_control); 685 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); 686 if (!target_cmsg) 687 return -TARGET_EFAULT; 688 689 while (cmsg && target_cmsg) { 690 void *data = CMSG_DATA(cmsg); 691 void *target_data = TARGET_CMSG_DATA(target_cmsg); 692 693 int len = tswapl(target_cmsg->cmsg_len) 694 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); 695 696 space += CMSG_SPACE(len); 697 if (space > msgh->msg_controllen) { 698 space -= CMSG_SPACE(len); 699 gemu_log("Host cmsg overflow\n"); 700 break; 701 } 702 703 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); 704 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); 705 cmsg->cmsg_len = CMSG_LEN(len); 706 707 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 708 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 709 memcpy(data, target_data, len); 710 } else { 711 int *fd = (int *)data; 712 int *target_fd = (int *)target_data; 713 int i, numfds = len / sizeof(int); 714 715 for (i = 0; i < numfds; i++) 716 fd[i] = tswap32(target_fd[i]); 717 } 718 719 cmsg = CMSG_NXTHDR(msgh, cmsg); 720 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 721 } 722 unlock_user(target_cmsg, target_cmsg_addr, 0); 723 the_end: 724 msgh->msg_controllen = space; 725 return 0; 726 } 727 728 /* ??? Should this also swap msgh->name? */ 729 static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, 730 struct msghdr *msgh) 731 { 732 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 733 abi_long msg_controllen; 734 abi_ulong target_cmsg_addr; 735 struct target_cmsghdr *target_cmsg; 736 socklen_t space = 0; 737 738 msg_controllen = tswapl(target_msgh->msg_controllen); 739 if (msg_controllen < sizeof (struct target_cmsghdr)) 740 goto the_end; 741 target_cmsg_addr = tswapl(target_msgh->msg_control); 742 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); 743 if (!target_cmsg) 744 return -TARGET_EFAULT; 745 746 while (cmsg && target_cmsg) { 747 void *data = CMSG_DATA(cmsg); 748 void *target_data = TARGET_CMSG_DATA(target_cmsg); 749 750 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); 751 752 space += TARGET_CMSG_SPACE(len); 753 if (space > msg_controllen) { 754 space -= TARGET_CMSG_SPACE(len); 755 gemu_log("Target cmsg overflow\n"); 756 break; 757 } 758 759 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); 760 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); 761 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); 762 763 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 764 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 765 memcpy(target_data, data, len); 766 } else { 767 int *fd = (int *)data; 768 int *target_fd = (int *)target_data; 769 int i, numfds = len / sizeof(int); 770 771 for (i = 0; i < numfds; i++) 772 target_fd[i] = tswap32(fd[i]); 773 } 774 775 cmsg = CMSG_NXTHDR(msgh, cmsg); 776 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 777 } 778 unlock_user(target_cmsg, target_cmsg_addr, space); 779 the_end: 780 target_msgh->msg_controllen = tswapl(space); 781 return 0; 782 } 783 784 /* do_setsockopt() Must return target values and target errnos. */ 785 static abi_long do_setsockopt(int sockfd, int level, int optname, 786 abi_ulong optval, socklen_t optlen) 787 { 788 abi_long ret; 789 int val; 790 791 switch(level) { 792 case SOL_TCP: 793 /* TCP options all take an 'int' value. */ 794 if (optlen < sizeof(uint32_t)) 795 return -TARGET_EINVAL; 796 797 val = tget32(optval); 798 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 799 break; 800 case SOL_IP: 801 switch(optname) { 802 case IP_TOS: 803 case IP_TTL: 804 case IP_HDRINCL: 805 case IP_ROUTER_ALERT: 806 case IP_RECVOPTS: 807 case IP_RETOPTS: 808 case IP_PKTINFO: 809 case IP_MTU_DISCOVER: 810 case IP_RECVERR: 811 case IP_RECVTOS: 812 #ifdef IP_FREEBIND 813 case IP_FREEBIND: 814 #endif 815 case IP_MULTICAST_TTL: 816 case IP_MULTICAST_LOOP: 817 val = 0; 818 if (optlen >= sizeof(uint32_t)) { 819 val = tget32(optval); 820 } else if (optlen >= 1) { 821 val = tget8(optval); 822 } 823 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 824 break; 825 default: 826 goto unimplemented; 827 } 828 break; 829 case TARGET_SOL_SOCKET: 830 switch (optname) { 831 /* Options with 'int' argument. */ 832 case TARGET_SO_DEBUG: 833 optname = SO_DEBUG; 834 break; 835 case TARGET_SO_REUSEADDR: 836 optname = SO_REUSEADDR; 837 break; 838 case TARGET_SO_TYPE: 839 optname = SO_TYPE; 840 break; 841 case TARGET_SO_ERROR: 842 optname = SO_ERROR; 843 break; 844 case TARGET_SO_DONTROUTE: 845 optname = SO_DONTROUTE; 846 break; 847 case TARGET_SO_BROADCAST: 848 optname = SO_BROADCAST; 849 break; 850 case TARGET_SO_SNDBUF: 851 optname = SO_SNDBUF; 852 break; 853 case TARGET_SO_RCVBUF: 854 optname = SO_RCVBUF; 855 break; 856 case TARGET_SO_KEEPALIVE: 857 optname = SO_KEEPALIVE; 858 break; 859 case TARGET_SO_OOBINLINE: 860 optname = SO_OOBINLINE; 861 break; 862 case TARGET_SO_NO_CHECK: 863 optname = SO_NO_CHECK; 864 break; 865 case TARGET_SO_PRIORITY: 866 optname = SO_PRIORITY; 867 break; 868 #ifdef SO_BSDCOMPAT 869 case TARGET_SO_BSDCOMPAT: 870 optname = SO_BSDCOMPAT; 871 break; 872 #endif 873 case TARGET_SO_PASSCRED: 874 optname = SO_PASSCRED; 875 break; 876 case TARGET_SO_TIMESTAMP: 877 optname = SO_TIMESTAMP; 878 break; 879 case TARGET_SO_RCVLOWAT: 880 optname = SO_RCVLOWAT; 881 break; 882 case TARGET_SO_RCVTIMEO: 883 optname = SO_RCVTIMEO; 884 break; 885 case TARGET_SO_SNDTIMEO: 886 optname = SO_SNDTIMEO; 887 break; 888 break; 889 default: 890 goto unimplemented; 891 } 892 if (optlen < sizeof(uint32_t)) 893 return -TARGET_EINVAL; 894 895 val = tget32(optval); 896 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); 897 break; 898 default: 899 unimplemented: 900 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); 901 ret = -TARGET_ENOSYS; 902 } 903 return ret; 904 } 905 906 /* do_getsockopt() Must return target values and target errnos. */ 907 static abi_long do_getsockopt(int sockfd, int level, int optname, 908 abi_ulong optval, abi_ulong optlen) 909 { 910 abi_long ret; 911 int len, lv, val; 912 913 switch(level) { 914 case TARGET_SOL_SOCKET: 915 level = SOL_SOCKET; 916 switch (optname) { 917 case TARGET_SO_LINGER: 918 case TARGET_SO_RCVTIMEO: 919 case TARGET_SO_SNDTIMEO: 920 case TARGET_SO_PEERCRED: 921 case TARGET_SO_PEERNAME: 922 /* These don't just return a single integer */ 923 goto unimplemented; 924 default: 925 goto int_case; 926 } 927 break; 928 case SOL_TCP: 929 /* TCP options all take an 'int' value. */ 930 int_case: 931 len = tget32(optlen); 932 if (len < 0) 933 return -TARGET_EINVAL; 934 lv = sizeof(int); 935 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 936 if (ret < 0) 937 return ret; 938 val = tswap32(val); 939 if (len > lv) 940 len = lv; 941 if (len == 4) 942 tput32(optval, val); 943 else 944 tput8(optval, val); 945 tput32(optlen, len); 946 break; 947 case SOL_IP: 948 switch(optname) { 949 case IP_TOS: 950 case IP_TTL: 951 case IP_HDRINCL: 952 case IP_ROUTER_ALERT: 953 case IP_RECVOPTS: 954 case IP_RETOPTS: 955 case IP_PKTINFO: 956 case IP_MTU_DISCOVER: 957 case IP_RECVERR: 958 case IP_RECVTOS: 959 #ifdef IP_FREEBIND 960 case IP_FREEBIND: 961 #endif 962 case IP_MULTICAST_TTL: 963 case IP_MULTICAST_LOOP: 964 len = tget32(optlen); 965 if (len < 0) 966 return -TARGET_EINVAL; 967 lv = sizeof(int); 968 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 969 if (ret < 0) 970 return ret; 971 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { 972 len = 1; 973 tput32(optlen, len); 974 tput8(optval, val); 975 } else { 976 if (len > sizeof(int)) 977 len = sizeof(int); 978 tput32(optlen, len); 979 tput32(optval, val); 980 } 981 break; 982 default: 983 goto unimplemented; 984 } 985 break; 986 default: 987 unimplemented: 988 gemu_log("getsockopt level=%d optname=%d not yet supported\n", 989 level, optname); 990 ret = -TARGET_ENOSYS; 991 break; 992 } 993 return ret; 994 } 995 996 /* FIXME 997 * lock_iovec()/unlock_iovec() have a return code of 0 for success where 998 * other lock functions have a return code of 0 for failure. 999 */ 1000 static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr, 1001 int count, int copy) 1002 { 1003 struct target_iovec *target_vec; 1004 abi_ulong base; 1005 int i, j; 1006 1007 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); 1008 if (!target_vec) 1009 return -TARGET_EFAULT; 1010 for(i = 0;i < count; i++) { 1011 base = tswapl(target_vec[i].iov_base); 1012 vec[i].iov_len = tswapl(target_vec[i].iov_len); 1013 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy); 1014 if (!vec[i].iov_base) 1015 goto fail; 1016 } 1017 unlock_user (target_vec, target_addr, 0); 1018 return 0; 1019 fail: 1020 /* failure - unwind locks */ 1021 for (j = 0; j < i; j++) { 1022 base = tswapl(target_vec[j].iov_base); 1023 unlock_user(vec[j].iov_base, base, 0); 1024 } 1025 unlock_user (target_vec, target_addr, 0); 1026 return -TARGET_EFAULT; 1027 } 1028 1029 static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr, 1030 int count, int copy) 1031 { 1032 struct target_iovec *target_vec; 1033 abi_ulong base; 1034 int i; 1035 1036 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); 1037 if (!target_vec) 1038 return -TARGET_EFAULT; 1039 for(i = 0;i < count; i++) { 1040 base = tswapl(target_vec[i].iov_base); 1041 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); 1042 } 1043 unlock_user (target_vec, target_addr, 0); 1044 1045 return 0; 1046 } 1047 1048 /* do_socket() Must return target values and target errnos. */ 1049 static abi_long do_socket(int domain, int type, int protocol) 1050 { 1051 #if defined(TARGET_MIPS) 1052 switch(type) { 1053 case TARGET_SOCK_DGRAM: 1054 type = SOCK_DGRAM; 1055 break; 1056 case TARGET_SOCK_STREAM: 1057 type = SOCK_STREAM; 1058 break; 1059 case TARGET_SOCK_RAW: 1060 type = SOCK_RAW; 1061 break; 1062 case TARGET_SOCK_RDM: 1063 type = SOCK_RDM; 1064 break; 1065 case TARGET_SOCK_SEQPACKET: 1066 type = SOCK_SEQPACKET; 1067 break; 1068 case TARGET_SOCK_PACKET: 1069 type = SOCK_PACKET; 1070 break; 1071 } 1072 #endif 1073 if (domain == PF_NETLINK) 1074 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */ 1075 return get_errno(socket(domain, type, protocol)); 1076 } 1077 1078 /* do_bind() Must return target values and target errnos. */ 1079 static abi_long do_bind(int sockfd, abi_ulong target_addr, 1080 socklen_t addrlen) 1081 { 1082 void *addr = alloca(addrlen); 1083 1084 target_to_host_sockaddr(addr, target_addr, addrlen); 1085 return get_errno(bind(sockfd, addr, addrlen)); 1086 } 1087 1088 /* do_connect() Must return target values and target errnos. */ 1089 static abi_long do_connect(int sockfd, abi_ulong target_addr, 1090 socklen_t addrlen) 1091 { 1092 void *addr = alloca(addrlen); 1093 1094 target_to_host_sockaddr(addr, target_addr, addrlen); 1095 return get_errno(connect(sockfd, addr, addrlen)); 1096 } 1097 1098 /* do_sendrecvmsg() Must return target values and target errnos. */ 1099 static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, 1100 int flags, int send) 1101 { 1102 abi_long ret; 1103 struct target_msghdr *msgp; 1104 struct msghdr msg; 1105 int count; 1106 struct iovec *vec; 1107 abi_ulong target_vec; 1108 1109 /* FIXME */ 1110 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, 1111 msgp, 1112 target_msg, 1113 send ? 1 : 0)) 1114 return -TARGET_EFAULT; 1115 if (msgp->msg_name) { 1116 msg.msg_namelen = tswap32(msgp->msg_namelen); 1117 msg.msg_name = alloca(msg.msg_namelen); 1118 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name), 1119 msg.msg_namelen); 1120 } else { 1121 msg.msg_name = NULL; 1122 msg.msg_namelen = 0; 1123 } 1124 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); 1125 msg.msg_control = alloca(msg.msg_controllen); 1126 msg.msg_flags = tswap32(msgp->msg_flags); 1127 1128 count = tswapl(msgp->msg_iovlen); 1129 vec = alloca(count * sizeof(struct iovec)); 1130 target_vec = tswapl(msgp->msg_iov); 1131 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send); 1132 msg.msg_iovlen = count; 1133 msg.msg_iov = vec; 1134 1135 if (send) { 1136 ret = target_to_host_cmsg(&msg, msgp); 1137 if (ret == 0) 1138 ret = get_errno(sendmsg(fd, &msg, flags)); 1139 } else { 1140 ret = get_errno(recvmsg(fd, &msg, flags)); 1141 if (!is_error(ret)) 1142 ret = host_to_target_cmsg(msgp, &msg); 1143 } 1144 unlock_iovec(vec, target_vec, count, !send); 1145 unlock_user_struct(msgp, target_msg, send ? 0 : 1); 1146 return ret; 1147 } 1148 1149 /* do_accept() Must return target values and target errnos. */ 1150 static abi_long do_accept(int fd, abi_ulong target_addr, 1151 abi_ulong target_addrlen) 1152 { 1153 socklen_t addrlen = tget32(target_addrlen); 1154 void *addr = alloca(addrlen); 1155 abi_long ret; 1156 1157 ret = get_errno(accept(fd, addr, &addrlen)); 1158 if (!is_error(ret)) { 1159 host_to_target_sockaddr(target_addr, addr, addrlen); 1160 tput32(target_addrlen, addrlen); 1161 } 1162 return ret; 1163 } 1164 1165 /* do_getpeername() Must return target values and target errnos. */ 1166 static abi_long do_getpeername(int fd, abi_ulong target_addr, 1167 abi_ulong target_addrlen) 1168 { 1169 socklen_t addrlen = tget32(target_addrlen); 1170 void *addr = alloca(addrlen); 1171 abi_long ret; 1172 1173 ret = get_errno(getpeername(fd, addr, &addrlen)); 1174 if (!is_error(ret)) { 1175 host_to_target_sockaddr(target_addr, addr, addrlen); 1176 tput32(target_addrlen, addrlen); 1177 } 1178 return ret; 1179 } 1180 1181 /* do_getsockname() Must return target values and target errnos. */ 1182 static abi_long do_getsockname(int fd, abi_ulong target_addr, 1183 abi_ulong target_addrlen) 1184 { 1185 socklen_t addrlen = tget32(target_addrlen); 1186 void *addr = alloca(addrlen); 1187 abi_long ret; 1188 1189 ret = get_errno(getsockname(fd, addr, &addrlen)); 1190 if (!is_error(ret)) { 1191 host_to_target_sockaddr(target_addr, addr, addrlen); 1192 tput32(target_addrlen, addrlen); 1193 } 1194 return ret; 1195 } 1196 1197 /* do_socketpair() Must return target values and target errnos. */ 1198 static abi_long do_socketpair(int domain, int type, int protocol, 1199 abi_ulong target_tab) 1200 { 1201 int tab[2]; 1202 abi_long ret; 1203 1204 ret = get_errno(socketpair(domain, type, protocol, tab)); 1205 if (!is_error(ret)) { 1206 tput32(target_tab, tab[0]); 1207 tput32(target_tab + 4, tab[1]); 1208 } 1209 return ret; 1210 } 1211 1212 /* do_sendto() Must return target values and target errnos. */ 1213 static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, 1214 abi_ulong target_addr, socklen_t addrlen) 1215 { 1216 void *addr; 1217 void *host_msg; 1218 abi_long ret; 1219 1220 host_msg = lock_user(VERIFY_READ, msg, len, 1); 1221 if (!host_msg) 1222 return -TARGET_EFAULT; 1223 if (target_addr) { 1224 addr = alloca(addrlen); 1225 target_to_host_sockaddr(addr, target_addr, addrlen); 1226 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); 1227 } else { 1228 ret = get_errno(send(fd, host_msg, len, flags)); 1229 } 1230 unlock_user(host_msg, msg, 0); 1231 return ret; 1232 } 1233 1234 /* do_recvfrom() Must return target values and target errnos. */ 1235 static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, 1236 abi_ulong target_addr, 1237 abi_ulong target_addrlen) 1238 { 1239 socklen_t addrlen; 1240 void *addr; 1241 void *host_msg; 1242 abi_long ret; 1243 1244 host_msg = lock_user(VERIFY_WRITE, msg, len, 0); 1245 if (!host_msg) 1246 return -TARGET_EFAULT; 1247 if (target_addr) { 1248 addrlen = tget32(target_addrlen); 1249 addr = alloca(addrlen); 1250 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); 1251 } else { 1252 addr = NULL; /* To keep compiler quiet. */ 1253 ret = get_errno(recv(fd, host_msg, len, flags)); 1254 } 1255 if (!is_error(ret)) { 1256 if (target_addr) { 1257 host_to_target_sockaddr(target_addr, addr, addrlen); 1258 tput32(target_addrlen, addrlen); 1259 } 1260 unlock_user(host_msg, msg, len); 1261 } else { 1262 unlock_user(host_msg, msg, 0); 1263 } 1264 return ret; 1265 } 1266 1267 #ifdef TARGET_NR_socketcall 1268 /* do_socketcall() Must return target values and target errnos. */ 1269 static abi_long do_socketcall(int num, abi_ulong vptr) 1270 { 1271 abi_long ret; 1272 const int n = sizeof(abi_ulong); 1273 1274 switch(num) { 1275 case SOCKOP_socket: 1276 { 1277 int domain = tgetl(vptr); 1278 int type = tgetl(vptr + n); 1279 int protocol = tgetl(vptr + 2 * n); 1280 ret = do_socket(domain, type, protocol); 1281 } 1282 break; 1283 case SOCKOP_bind: 1284 { 1285 int sockfd = tgetl(vptr); 1286 abi_ulong target_addr = tgetl(vptr + n); 1287 socklen_t addrlen = tgetl(vptr + 2 * n); 1288 ret = do_bind(sockfd, target_addr, addrlen); 1289 } 1290 break; 1291 case SOCKOP_connect: 1292 { 1293 int sockfd = tgetl(vptr); 1294 abi_ulong target_addr = tgetl(vptr + n); 1295 socklen_t addrlen = tgetl(vptr + 2 * n); 1296 ret = do_connect(sockfd, target_addr, addrlen); 1297 } 1298 break; 1299 case SOCKOP_listen: 1300 { 1301 int sockfd = tgetl(vptr); 1302 int backlog = tgetl(vptr + n); 1303 ret = get_errno(listen(sockfd, backlog)); 1304 } 1305 break; 1306 case SOCKOP_accept: 1307 { 1308 int sockfd = tgetl(vptr); 1309 abi_ulong target_addr = tgetl(vptr + n); 1310 abi_ulong target_addrlen = tgetl(vptr + 2 * n); 1311 ret = do_accept(sockfd, target_addr, target_addrlen); 1312 } 1313 break; 1314 case SOCKOP_getsockname: 1315 { 1316 int sockfd = tgetl(vptr); 1317 abi_ulong target_addr = tgetl(vptr + n); 1318 abi_ulong target_addrlen = tgetl(vptr + 2 * n); 1319 ret = do_getsockname(sockfd, target_addr, target_addrlen); 1320 } 1321 break; 1322 case SOCKOP_getpeername: 1323 { 1324 int sockfd = tgetl(vptr); 1325 abi_ulong target_addr = tgetl(vptr + n); 1326 abi_ulong target_addrlen = tgetl(vptr + 2 * n); 1327 ret = do_getpeername(sockfd, target_addr, target_addrlen); 1328 } 1329 break; 1330 case SOCKOP_socketpair: 1331 { 1332 int domain = tgetl(vptr); 1333 int type = tgetl(vptr + n); 1334 int protocol = tgetl(vptr + 2 * n); 1335 abi_ulong tab = tgetl(vptr + 3 * n); 1336 ret = do_socketpair(domain, type, protocol, tab); 1337 } 1338 break; 1339 case SOCKOP_send: 1340 { 1341 int sockfd = tgetl(vptr); 1342 abi_ulong msg = tgetl(vptr + n); 1343 size_t len = tgetl(vptr + 2 * n); 1344 int flags = tgetl(vptr + 3 * n); 1345 ret = do_sendto(sockfd, msg, len, flags, 0, 0); 1346 } 1347 break; 1348 case SOCKOP_recv: 1349 { 1350 int sockfd = tgetl(vptr); 1351 abi_ulong msg = tgetl(vptr + n); 1352 size_t len = tgetl(vptr + 2 * n); 1353 int flags = tgetl(vptr + 3 * n); 1354 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); 1355 } 1356 break; 1357 case SOCKOP_sendto: 1358 { 1359 int sockfd = tgetl(vptr); 1360 abi_ulong msg = tgetl(vptr + n); 1361 size_t len = tgetl(vptr + 2 * n); 1362 int flags = tgetl(vptr + 3 * n); 1363 abi_ulong addr = tgetl(vptr + 4 * n); 1364 socklen_t addrlen = tgetl(vptr + 5 * n); 1365 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); 1366 } 1367 break; 1368 case SOCKOP_recvfrom: 1369 { 1370 int sockfd = tgetl(vptr); 1371 abi_ulong msg = tgetl(vptr + n); 1372 size_t len = tgetl(vptr + 2 * n); 1373 int flags = tgetl(vptr + 3 * n); 1374 abi_ulong addr = tgetl(vptr + 4 * n); 1375 abi_ulong addrlen = tgetl(vptr + 5 * n); 1376 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); 1377 } 1378 break; 1379 case SOCKOP_shutdown: 1380 { 1381 int sockfd = tgetl(vptr); 1382 int how = tgetl(vptr + n); 1383 1384 ret = get_errno(shutdown(sockfd, how)); 1385 } 1386 break; 1387 case SOCKOP_sendmsg: 1388 case SOCKOP_recvmsg: 1389 { 1390 int fd; 1391 abi_ulong target_msg; 1392 int flags; 1393 1394 fd = tgetl(vptr); 1395 target_msg = tgetl(vptr + n); 1396 flags = tgetl(vptr + 2 * n); 1397 1398 ret = do_sendrecvmsg(fd, target_msg, flags, 1399 (num == SOCKOP_sendmsg)); 1400 } 1401 break; 1402 case SOCKOP_setsockopt: 1403 { 1404 int sockfd = tgetl(vptr); 1405 int level = tgetl(vptr + n); 1406 int optname = tgetl(vptr + 2 * n); 1407 abi_ulong optval = tgetl(vptr + 3 * n); 1408 socklen_t optlen = tgetl(vptr + 4 * n); 1409 1410 ret = do_setsockopt(sockfd, level, optname, optval, optlen); 1411 } 1412 break; 1413 case SOCKOP_getsockopt: 1414 { 1415 int sockfd = tgetl(vptr); 1416 int level = tgetl(vptr + n); 1417 int optname = tgetl(vptr + 2 * n); 1418 abi_ulong optval = tgetl(vptr + 3 * n); 1419 abi_ulong poptlen = tgetl(vptr + 4 * n); 1420 1421 ret = do_getsockopt(sockfd, level, optname, optval, poptlen); 1422 } 1423 break; 1424 default: 1425 gemu_log("Unsupported socketcall: %d\n", num); 1426 ret = -TARGET_ENOSYS; 1427 break; 1428 } 1429 return ret; 1430 } 1431 #endif 1432 1433 #ifdef TARGET_NR_ipc 1434 #define N_SHM_REGIONS 32 1435 1436 static struct shm_region { 1437 abi_ulong start; 1438 abi_ulong size; 1439 } shm_regions[N_SHM_REGIONS]; 1440 1441 struct target_ipc_perm 1442 { 1443 abi_long __key; 1444 abi_ulong uid; 1445 abi_ulong gid; 1446 abi_ulong cuid; 1447 abi_ulong cgid; 1448 unsigned short int mode; 1449 unsigned short int __pad1; 1450 unsigned short int __seq; 1451 unsigned short int __pad2; 1452 abi_ulong __unused1; 1453 abi_ulong __unused2; 1454 }; 1455 1456 struct target_semid_ds 1457 { 1458 struct target_ipc_perm sem_perm; 1459 abi_ulong sem_otime; 1460 abi_ulong __unused1; 1461 abi_ulong sem_ctime; 1462 abi_ulong __unused2; 1463 abi_ulong sem_nsems; 1464 abi_ulong __unused3; 1465 abi_ulong __unused4; 1466 }; 1467 1468 static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, 1469 abi_ulong target_addr) 1470 { 1471 struct target_ipc_perm *target_ip; 1472 struct target_semid_ds *target_sd; 1473 1474 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) 1475 return -TARGET_EFAULT; 1476 target_ip=&(target_sd->sem_perm); 1477 host_ip->__key = tswapl(target_ip->__key); 1478 host_ip->uid = tswapl(target_ip->uid); 1479 host_ip->gid = tswapl(target_ip->gid); 1480 host_ip->cuid = tswapl(target_ip->cuid); 1481 host_ip->cgid = tswapl(target_ip->cgid); 1482 host_ip->mode = tswapl(target_ip->mode); 1483 unlock_user_struct(target_sd, target_addr, 0); 1484 return 0; 1485 } 1486 1487 static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, 1488 struct ipc_perm *host_ip) 1489 { 1490 struct target_ipc_perm *target_ip; 1491 struct target_semid_ds *target_sd; 1492 1493 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) 1494 return -TARGET_EFAULT; 1495 target_ip = &(target_sd->sem_perm); 1496 target_ip->__key = tswapl(host_ip->__key); 1497 target_ip->uid = tswapl(host_ip->uid); 1498 target_ip->gid = tswapl(host_ip->gid); 1499 target_ip->cuid = tswapl(host_ip->cuid); 1500 target_ip->cgid = tswapl(host_ip->cgid); 1501 target_ip->mode = tswapl(host_ip->mode); 1502 unlock_user_struct(target_sd, target_addr, 1); 1503 return 0; 1504 } 1505 1506 static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, 1507 abi_ulong target_addr) 1508 { 1509 struct target_semid_ds *target_sd; 1510 1511 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) 1512 return -TARGET_EFAULT; 1513 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr); 1514 host_sd->sem_nsems = tswapl(target_sd->sem_nsems); 1515 host_sd->sem_otime = tswapl(target_sd->sem_otime); 1516 host_sd->sem_ctime = tswapl(target_sd->sem_ctime); 1517 unlock_user_struct(target_sd, target_addr, 0); 1518 return 0; 1519 } 1520 1521 static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, 1522 struct semid_ds *host_sd) 1523 { 1524 struct target_semid_ds *target_sd; 1525 1526 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) 1527 return -TARGET_EFAULT; 1528 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)); 1529 target_sd->sem_nsems = tswapl(host_sd->sem_nsems); 1530 target_sd->sem_otime = tswapl(host_sd->sem_otime); 1531 target_sd->sem_ctime = tswapl(host_sd->sem_ctime); 1532 unlock_user_struct(target_sd, target_addr, 1); 1533 return 0; 1534 } 1535 1536 union semun { 1537 int val; 1538 struct semid_ds *buf; 1539 unsigned short *array; 1540 }; 1541 1542 union target_semun { 1543 int val; 1544 abi_long buf; 1545 unsigned short int *array; 1546 }; 1547 1548 static inline abi_long target_to_host_semun(int cmd, 1549 union semun *host_su, 1550 abi_ulong target_addr, 1551 struct semid_ds *ds) 1552 { 1553 union target_semun *target_su; 1554 1555 switch( cmd ) { 1556 case IPC_STAT: 1557 case IPC_SET: 1558 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) 1559 return -TARGET_EFAULT; 1560 target_to_host_semid_ds(ds,target_su->buf); 1561 host_su->buf = ds; 1562 unlock_user_struct(target_su, target_addr, 0); 1563 break; 1564 case GETVAL: 1565 case SETVAL: 1566 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) 1567 return -TARGET_EFAULT; 1568 host_su->val = tswapl(target_su->val); 1569 unlock_user_struct(target_su, target_addr, 0); 1570 break; 1571 case GETALL: 1572 case SETALL: 1573 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) 1574 return -TARGET_EFAULT; 1575 *host_su->array = tswap16(*target_su->array); 1576 unlock_user_struct(target_su, target_addr, 0); 1577 break; 1578 default: 1579 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1580 } 1581 return 0; 1582 } 1583 1584 static inline abi_long host_to_target_semun(int cmd, 1585 abi_ulong target_addr, 1586 union semun *host_su, 1587 struct semid_ds *ds) 1588 { 1589 union target_semun *target_su; 1590 1591 switch( cmd ) { 1592 case IPC_STAT: 1593 case IPC_SET: 1594 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) 1595 return -TARGET_EFAULT; 1596 host_to_target_semid_ds(target_su->buf,ds); 1597 unlock_user_struct(target_su, target_addr, 1); 1598 break; 1599 case GETVAL: 1600 case SETVAL: 1601 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) 1602 return -TARGET_EFAULT; 1603 target_su->val = tswapl(host_su->val); 1604 unlock_user_struct(target_su, target_addr, 1); 1605 break; 1606 case GETALL: 1607 case SETALL: 1608 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) 1609 return -TARGET_EFAULT; 1610 *target_su->array = tswap16(*host_su->array); 1611 unlock_user_struct(target_su, target_addr, 1); 1612 break; 1613 default: 1614 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1615 } 1616 return 0; 1617 } 1618 1619 static inline abi_long do_semctl(int first, int second, int third, 1620 abi_long ptr) 1621 { 1622 union semun arg; 1623 struct semid_ds dsarg; 1624 int cmd = third&0xff; 1625 abi_long ret = 0; 1626 1627 switch( cmd ) { 1628 case GETVAL: 1629 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1630 ret = get_errno(semctl(first, second, cmd, arg)); 1631 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1632 break; 1633 case SETVAL: 1634 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1635 ret = get_errno(semctl(first, second, cmd, arg)); 1636 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1637 break; 1638 case GETALL: 1639 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1640 ret = get_errno(semctl(first, second, cmd, arg)); 1641 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1642 break; 1643 case SETALL: 1644 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1645 ret = get_errno(semctl(first, second, cmd, arg)); 1646 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1647 break; 1648 case IPC_STAT: 1649 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1650 ret = get_errno(semctl(first, second, cmd, arg)); 1651 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1652 break; 1653 case IPC_SET: 1654 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1655 ret = get_errno(semctl(first, second, cmd, arg)); 1656 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1657 break; 1658 default: 1659 ret = get_errno(semctl(first, second, cmd, arg)); 1660 } 1661 1662 return ret; 1663 } 1664 1665 struct target_msqid_ds 1666 { 1667 struct target_ipc_perm msg_perm; 1668 abi_ulong msg_stime; 1669 abi_ulong __unused1; 1670 abi_ulong msg_rtime; 1671 abi_ulong __unused2; 1672 abi_ulong msg_ctime; 1673 abi_ulong __unused3; 1674 abi_ulong __msg_cbytes; 1675 abi_ulong msg_qnum; 1676 abi_ulong msg_qbytes; 1677 abi_ulong msg_lspid; 1678 abi_ulong msg_lrpid; 1679 abi_ulong __unused4; 1680 abi_ulong __unused5; 1681 }; 1682 1683 static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, 1684 abi_ulong target_addr) 1685 { 1686 struct target_msqid_ds *target_md; 1687 1688 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) 1689 return -TARGET_EFAULT; 1690 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr); 1691 host_md->msg_stime = tswapl(target_md->msg_stime); 1692 host_md->msg_rtime = tswapl(target_md->msg_rtime); 1693 host_md->msg_ctime = tswapl(target_md->msg_ctime); 1694 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes); 1695 host_md->msg_qnum = tswapl(target_md->msg_qnum); 1696 host_md->msg_qbytes = tswapl(target_md->msg_qbytes); 1697 host_md->msg_lspid = tswapl(target_md->msg_lspid); 1698 host_md->msg_lrpid = tswapl(target_md->msg_lrpid); 1699 unlock_user_struct(target_md, target_addr, 0); 1700 return 0; 1701 } 1702 1703 static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, 1704 struct msqid_ds *host_md) 1705 { 1706 struct target_msqid_ds *target_md; 1707 1708 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) 1709 return -TARGET_EFAULT; 1710 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)); 1711 target_md->msg_stime = tswapl(host_md->msg_stime); 1712 target_md->msg_rtime = tswapl(host_md->msg_rtime); 1713 target_md->msg_ctime = tswapl(host_md->msg_ctime); 1714 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes); 1715 target_md->msg_qnum = tswapl(host_md->msg_qnum); 1716 target_md->msg_qbytes = tswapl(host_md->msg_qbytes); 1717 target_md->msg_lspid = tswapl(host_md->msg_lspid); 1718 target_md->msg_lrpid = tswapl(host_md->msg_lrpid); 1719 unlock_user_struct(target_md, target_addr, 1); 1720 return 0; 1721 } 1722 1723 static inline abi_long do_msgctl(int first, int second, abi_long ptr) 1724 { 1725 struct msqid_ds dsarg; 1726 int cmd = second&0xff; 1727 abi_long ret = 0; 1728 switch( cmd ) { 1729 case IPC_STAT: 1730 case IPC_SET: 1731 target_to_host_msqid_ds(&dsarg,ptr); 1732 ret = get_errno(msgctl(first, cmd, &dsarg)); 1733 host_to_target_msqid_ds(ptr,&dsarg); 1734 default: 1735 ret = get_errno(msgctl(first, cmd, &dsarg)); 1736 } 1737 return ret; 1738 } 1739 1740 struct target_msgbuf { 1741 abi_ulong mtype; 1742 char mtext[1]; 1743 }; 1744 1745 static inline abi_long do_msgsnd(int msqid, abi_long msgp, 1746 unsigned int msgsz, int msgflg) 1747 { 1748 struct target_msgbuf *target_mb; 1749 struct msgbuf *host_mb; 1750 abi_long ret = 0; 1751 1752 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) 1753 return -TARGET_EFAULT; 1754 host_mb = malloc(msgsz+sizeof(long)); 1755 host_mb->mtype = tswapl(target_mb->mtype); 1756 memcpy(host_mb->mtext,target_mb->mtext,msgsz); 1757 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); 1758 free(host_mb); 1759 unlock_user_struct(target_mb, msgp, 0); 1760 1761 return ret; 1762 } 1763 1764 static inline abi_long do_msgrcv(int msqid, abi_long msgp, 1765 unsigned int msgsz, int msgtype, 1766 int msgflg) 1767 { 1768 struct target_msgbuf *target_mb; 1769 char *target_mtext; 1770 struct msgbuf *host_mb; 1771 abi_long ret = 0; 1772 1773 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) 1774 return -TARGET_EFAULT; 1775 host_mb = malloc(msgsz+sizeof(long)); 1776 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg)); 1777 if (ret > 0) { 1778 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); 1779 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); 1780 if (!target_mtext) { 1781 ret = -TARGET_EFAULT; 1782 goto end; 1783 } 1784 memcpy(target_mb->mtext, host_mb->mtext, ret); 1785 unlock_user(target_mtext, target_mtext_addr, ret); 1786 } 1787 target_mb->mtype = tswapl(host_mb->mtype); 1788 free(host_mb); 1789 1790 end: 1791 if (target_mb) 1792 unlock_user_struct(target_mb, msgp, 1); 1793 return ret; 1794 } 1795 1796 /* ??? This only works with linear mappings. */ 1797 /* do_ipc() must return target values and target errnos. */ 1798 static abi_long do_ipc(unsigned int call, int first, 1799 int second, int third, 1800 abi_long ptr, abi_long fifth) 1801 { 1802 int version; 1803 abi_long ret = 0; 1804 struct shmid_ds shm_info; 1805 int i; 1806 1807 version = call >> 16; 1808 call &= 0xffff; 1809 1810 switch (call) { 1811 case IPCOP_semop: 1812 ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second)); 1813 break; 1814 1815 case IPCOP_semget: 1816 ret = get_errno(semget(first, second, third)); 1817 break; 1818 1819 case IPCOP_semctl: 1820 ret = do_semctl(first, second, third, ptr); 1821 break; 1822 1823 case IPCOP_semtimedop: 1824 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); 1825 ret = -TARGET_ENOSYS; 1826 break; 1827 1828 case IPCOP_msgget: 1829 ret = get_errno(msgget(first, second)); 1830 break; 1831 1832 case IPCOP_msgsnd: 1833 ret = do_msgsnd(first, ptr, second, third); 1834 break; 1835 1836 case IPCOP_msgctl: 1837 ret = do_msgctl(first, second, ptr); 1838 break; 1839 1840 case IPCOP_msgrcv: 1841 { 1842 /* XXX: this code is not correct */ 1843 struct ipc_kludge 1844 { 1845 void *__unbounded msgp; 1846 long int msgtyp; 1847 }; 1848 1849 struct ipc_kludge *foo = (struct ipc_kludge *)g2h(ptr); 1850 struct msgbuf *msgp = (struct msgbuf *) foo->msgp; 1851 1852 ret = do_msgrcv(first, (long)msgp, second, 0, third); 1853 1854 } 1855 break; 1856 1857 case IPCOP_shmat: 1858 { 1859 abi_ulong raddr; 1860 void *host_addr; 1861 /* SHM_* flags are the same on all linux platforms */ 1862 host_addr = shmat(first, (void *)g2h(ptr), second); 1863 if (host_addr == (void *)-1) { 1864 ret = get_errno((long)host_addr); 1865 break; 1866 } 1867 raddr = h2g((unsigned long)host_addr); 1868 /* find out the length of the shared memory segment */ 1869 1870 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 1871 if (is_error(ret)) { 1872 /* can't get length, bail out */ 1873 shmdt(host_addr); 1874 break; 1875 } 1876 page_set_flags(raddr, raddr + shm_info.shm_segsz, 1877 PAGE_VALID | PAGE_READ | 1878 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 1879 for (i = 0; i < N_SHM_REGIONS; ++i) { 1880 if (shm_regions[i].start == 0) { 1881 shm_regions[i].start = raddr; 1882 shm_regions[i].size = shm_info.shm_segsz; 1883 break; 1884 } 1885 } 1886 if (put_user(raddr, third, abi_ulong)) 1887 return -TARGET_EFAULT; 1888 ret = 0; 1889 } 1890 break; 1891 case IPCOP_shmdt: 1892 for (i = 0; i < N_SHM_REGIONS; ++i) { 1893 if (shm_regions[i].start == ptr) { 1894 shm_regions[i].start = 0; 1895 page_set_flags(ptr, shm_regions[i].size, 0); 1896 break; 1897 } 1898 } 1899 ret = get_errno(shmdt((void *)g2h(ptr))); 1900 break; 1901 1902 case IPCOP_shmget: 1903 /* IPC_* flag values are the same on all linux platforms */ 1904 ret = get_errno(shmget(first, second, third)); 1905 break; 1906 1907 /* IPC_* and SHM_* command values are the same on all linux platforms */ 1908 case IPCOP_shmctl: 1909 switch(second) { 1910 case IPC_RMID: 1911 case SHM_LOCK: 1912 case SHM_UNLOCK: 1913 ret = get_errno(shmctl(first, second, NULL)); 1914 break; 1915 default: 1916 goto unimplemented; 1917 } 1918 break; 1919 default: 1920 unimplemented: 1921 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); 1922 ret = -TARGET_ENOSYS; 1923 break; 1924 } 1925 return ret; 1926 } 1927 #endif 1928 1929 /* kernel structure types definitions */ 1930 #define IFNAMSIZ 16 1931 1932 #define STRUCT(name, list...) STRUCT_ ## name, 1933 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 1934 enum { 1935 #include "syscall_types.h" 1936 }; 1937 #undef STRUCT 1938 #undef STRUCT_SPECIAL 1939 1940 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 1941 #define STRUCT_SPECIAL(name) 1942 #include "syscall_types.h" 1943 #undef STRUCT 1944 #undef STRUCT_SPECIAL 1945 1946 typedef struct IOCTLEntry { 1947 unsigned int target_cmd; 1948 unsigned int host_cmd; 1949 const char *name; 1950 int access; 1951 const argtype arg_type[5]; 1952 } IOCTLEntry; 1953 1954 #define IOC_R 0x0001 1955 #define IOC_W 0x0002 1956 #define IOC_RW (IOC_R | IOC_W) 1957 1958 #define MAX_STRUCT_SIZE 4096 1959 1960 IOCTLEntry ioctl_entries[] = { 1961 #define IOCTL(cmd, access, types...) \ 1962 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 1963 #include "ioctls.h" 1964 { 0, 0, }, 1965 }; 1966 1967 /* ??? Implement proper locking for ioctls. */ 1968 /* do_ioctl() Must return target values and target errnos. */ 1969 static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) 1970 { 1971 const IOCTLEntry *ie; 1972 const argtype *arg_type; 1973 abi_long ret; 1974 uint8_t buf_temp[MAX_STRUCT_SIZE]; 1975 int target_size; 1976 void *argptr; 1977 1978 ie = ioctl_entries; 1979 for(;;) { 1980 if (ie->target_cmd == 0) { 1981 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); 1982 return -TARGET_ENOSYS; 1983 } 1984 if (ie->target_cmd == cmd) 1985 break; 1986 ie++; 1987 } 1988 arg_type = ie->arg_type; 1989 #if defined(DEBUG) 1990 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); 1991 #endif 1992 switch(arg_type[0]) { 1993 case TYPE_NULL: 1994 /* no argument */ 1995 ret = get_errno(ioctl(fd, ie->host_cmd)); 1996 break; 1997 case TYPE_PTRVOID: 1998 case TYPE_INT: 1999 /* int argment */ 2000 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 2001 break; 2002 case TYPE_PTR: 2003 arg_type++; 2004 target_size = thunk_type_size(arg_type, 0); 2005 switch(ie->access) { 2006 case IOC_R: 2007 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 2008 if (!is_error(ret)) { 2009 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); 2010 if (!argptr) 2011 return -TARGET_EFAULT; 2012 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 2013 unlock_user(argptr, arg, target_size); 2014 } 2015 break; 2016 case IOC_W: 2017 argptr = lock_user(VERIFY_READ, arg, target_size, 1); 2018 if (!argptr) 2019 return -TARGET_EFAULT; 2020 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 2021 unlock_user(argptr, arg, 0); 2022 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 2023 break; 2024 default: 2025 case IOC_RW: 2026 argptr = lock_user(VERIFY_READ, arg, target_size, 1); 2027 if (!argptr) 2028 return -TARGET_EFAULT; 2029 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 2030 unlock_user(argptr, arg, 0); 2031 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 2032 if (!is_error(ret)) { 2033 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); 2034 if (!argptr) 2035 return -TARGET_EFAULT; 2036 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 2037 unlock_user(argptr, arg, target_size); 2038 } 2039 break; 2040 } 2041 break; 2042 default: 2043 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", 2044 (long)cmd, arg_type[0]); 2045 ret = -TARGET_ENOSYS; 2046 break; 2047 } 2048 return ret; 2049 } 2050 2051 bitmask_transtbl iflag_tbl[] = { 2052 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 2053 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 2054 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 2055 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 2056 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 2057 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 2058 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 2059 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 2060 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 2061 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 2062 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 2063 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 2064 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 2065 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 2066 { 0, 0, 0, 0 } 2067 }; 2068 2069 bitmask_transtbl oflag_tbl[] = { 2070 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 2071 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 2072 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 2073 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 2074 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 2075 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 2076 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 2077 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 2078 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 2079 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 2080 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 2081 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 2082 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 2083 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 2084 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 2085 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 2086 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 2087 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 2088 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 2089 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 2090 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 2091 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 2092 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 2093 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 2094 { 0, 0, 0, 0 } 2095 }; 2096 2097 bitmask_transtbl cflag_tbl[] = { 2098 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 2099 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 2100 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 2101 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 2102 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 2103 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 2104 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 2105 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 2106 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 2107 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 2108 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 2109 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 2110 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 2111 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 2112 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 2113 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 2114 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 2115 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 2116 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 2117 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 2118 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 2119 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 2120 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 2121 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 2122 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 2123 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 2124 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 2125 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 2126 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 2127 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 2128 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 2129 { 0, 0, 0, 0 } 2130 }; 2131 2132 bitmask_transtbl lflag_tbl[] = { 2133 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 2134 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 2135 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 2136 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 2137 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 2138 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 2139 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 2140 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 2141 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 2142 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 2143 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 2144 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 2145 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 2146 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 2147 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 2148 { 0, 0, 0, 0 } 2149 }; 2150 2151 static void target_to_host_termios (void *dst, const void *src) 2152 { 2153 struct host_termios *host = dst; 2154 const struct target_termios *target = src; 2155 2156 host->c_iflag = 2157 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 2158 host->c_oflag = 2159 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 2160 host->c_cflag = 2161 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 2162 host->c_lflag = 2163 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 2164 host->c_line = target->c_line; 2165 2166 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 2167 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 2168 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 2169 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 2170 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 2171 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 2172 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 2173 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 2174 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 2175 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 2176 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 2177 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 2178 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 2179 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 2180 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 2181 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 2182 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 2183 } 2184 2185 static void host_to_target_termios (void *dst, const void *src) 2186 { 2187 struct target_termios *target = dst; 2188 const struct host_termios *host = src; 2189 2190 target->c_iflag = 2191 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 2192 target->c_oflag = 2193 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 2194 target->c_cflag = 2195 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 2196 target->c_lflag = 2197 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 2198 target->c_line = host->c_line; 2199 2200 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 2201 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 2202 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 2203 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 2204 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 2205 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 2206 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 2207 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 2208 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 2209 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 2210 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 2211 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 2212 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 2213 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 2214 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 2215 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 2216 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 2217 } 2218 2219 StructEntry struct_termios_def = { 2220 .convert = { host_to_target_termios, target_to_host_termios }, 2221 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 2222 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 2223 }; 2224 2225 static bitmask_transtbl mmap_flags_tbl[] = { 2226 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 2227 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 2228 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 2229 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 2230 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 2231 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 2232 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 2233 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 2234 { 0, 0, 0, 0 } 2235 }; 2236 2237 static bitmask_transtbl fcntl_flags_tbl[] = { 2238 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 2239 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 2240 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 2241 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 2242 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 2243 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 2244 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 2245 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 2246 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 2247 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 2248 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 2249 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 2250 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 2251 #if defined(O_DIRECT) 2252 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 2253 #endif 2254 { 0, 0, 0, 0 } 2255 }; 2256 2257 #if defined(TARGET_I386) 2258 2259 /* NOTE: there is really one LDT for all the threads */ 2260 uint8_t *ldt_table; 2261 2262 static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) 2263 { 2264 int size; 2265 void *p; 2266 2267 if (!ldt_table) 2268 return 0; 2269 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 2270 if (size > bytecount) 2271 size = bytecount; 2272 p = lock_user(VERIFY_WRITE, ptr, size, 0); 2273 if (!p) 2274 return -TARGET_EFAULT; 2275 /* ??? Should this by byteswapped? */ 2276 memcpy(p, ldt_table, size); 2277 unlock_user(p, ptr, size); 2278 return size; 2279 } 2280 2281 /* XXX: add locking support */ 2282 static abi_long write_ldt(CPUX86State *env, 2283 abi_ulong ptr, unsigned long bytecount, int oldmode) 2284 { 2285 struct target_modify_ldt_ldt_s ldt_info; 2286 struct target_modify_ldt_ldt_s *target_ldt_info; 2287 int seg_32bit, contents, read_exec_only, limit_in_pages; 2288 int seg_not_present, useable, lm; 2289 uint32_t *lp, entry_1, entry_2; 2290 2291 if (bytecount != sizeof(ldt_info)) 2292 return -TARGET_EINVAL; 2293 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) 2294 return -TARGET_EFAULT; 2295 ldt_info.entry_number = tswap32(target_ldt_info->entry_number); 2296 ldt_info.base_addr = tswapl(target_ldt_info->base_addr); 2297 ldt_info.limit = tswap32(target_ldt_info->limit); 2298 ldt_info.flags = tswap32(target_ldt_info->flags); 2299 unlock_user_struct(target_ldt_info, ptr, 0); 2300 2301 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 2302 return -TARGET_EINVAL; 2303 seg_32bit = ldt_info.flags & 1; 2304 contents = (ldt_info.flags >> 1) & 3; 2305 read_exec_only = (ldt_info.flags >> 3) & 1; 2306 limit_in_pages = (ldt_info.flags >> 4) & 1; 2307 seg_not_present = (ldt_info.flags >> 5) & 1; 2308 useable = (ldt_info.flags >> 6) & 1; 2309 #ifdef TARGET_ABI32 2310 lm = 0; 2311 #else 2312 lm = (ldt_info.flags >> 7) & 1; 2313 #endif 2314 if (contents == 3) { 2315 if (oldmode) 2316 return -TARGET_EINVAL; 2317 if (seg_not_present == 0) 2318 return -TARGET_EINVAL; 2319 } 2320 /* allocate the LDT */ 2321 if (!ldt_table) { 2322 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2323 if (!ldt_table) 2324 return -TARGET_ENOMEM; 2325 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2326 env->ldt.base = h2g((unsigned long)ldt_table); 2327 env->ldt.limit = 0xffff; 2328 } 2329 2330 /* NOTE: same code as Linux kernel */ 2331 /* Allow LDTs to be cleared by the user. */ 2332 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 2333 if (oldmode || 2334 (contents == 0 && 2335 read_exec_only == 1 && 2336 seg_32bit == 0 && 2337 limit_in_pages == 0 && 2338 seg_not_present == 1 && 2339 useable == 0 )) { 2340 entry_1 = 0; 2341 entry_2 = 0; 2342 goto install; 2343 } 2344 } 2345 2346 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 2347 (ldt_info.limit & 0x0ffff); 2348 entry_2 = (ldt_info.base_addr & 0xff000000) | 2349 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 2350 (ldt_info.limit & 0xf0000) | 2351 ((read_exec_only ^ 1) << 9) | 2352 (contents << 10) | 2353 ((seg_not_present ^ 1) << 15) | 2354 (seg_32bit << 22) | 2355 (limit_in_pages << 23) | 2356 (lm << 21) | 2357 0x7000; 2358 if (!oldmode) 2359 entry_2 |= (useable << 20); 2360 2361 /* Install the new entry ... */ 2362 install: 2363 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 2364 lp[0] = tswap32(entry_1); 2365 lp[1] = tswap32(entry_2); 2366 return 0; 2367 } 2368 2369 /* specific and weird i386 syscalls */ 2370 abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, 2371 unsigned long bytecount) 2372 { 2373 abi_long ret; 2374 2375 switch (func) { 2376 case 0: 2377 ret = read_ldt(ptr, bytecount); 2378 break; 2379 case 1: 2380 ret = write_ldt(env, ptr, bytecount, 1); 2381 break; 2382 case 0x11: 2383 ret = write_ldt(env, ptr, bytecount, 0); 2384 break; 2385 default: 2386 ret = -TARGET_ENOSYS; 2387 break; 2388 } 2389 return ret; 2390 } 2391 2392 abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) 2393 { 2394 uint64_t *gdt_table = g2h(env->gdt.base); 2395 struct target_modify_ldt_ldt_s ldt_info; 2396 struct target_modify_ldt_ldt_s *target_ldt_info; 2397 int seg_32bit, contents, read_exec_only, limit_in_pages; 2398 int seg_not_present, useable, lm; 2399 uint32_t *lp, entry_1, entry_2; 2400 int i; 2401 2402 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); 2403 if (!target_ldt_info) 2404 return -TARGET_EFAULT; 2405 ldt_info.entry_number = tswap32(target_ldt_info->entry_number); 2406 ldt_info.base_addr = tswapl(target_ldt_info->base_addr); 2407 ldt_info.limit = tswap32(target_ldt_info->limit); 2408 ldt_info.flags = tswap32(target_ldt_info->flags); 2409 if (ldt_info.entry_number == -1) { 2410 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { 2411 if (gdt_table[i] == 0) { 2412 ldt_info.entry_number = i; 2413 target_ldt_info->entry_number = tswap32(i); 2414 break; 2415 } 2416 } 2417 } 2418 unlock_user_struct(target_ldt_info, ptr, 1); 2419 2420 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || 2421 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) 2422 return -TARGET_EINVAL; 2423 seg_32bit = ldt_info.flags & 1; 2424 contents = (ldt_info.flags >> 1) & 3; 2425 read_exec_only = (ldt_info.flags >> 3) & 1; 2426 limit_in_pages = (ldt_info.flags >> 4) & 1; 2427 seg_not_present = (ldt_info.flags >> 5) & 1; 2428 useable = (ldt_info.flags >> 6) & 1; 2429 #ifdef TARGET_ABI32 2430 lm = 0; 2431 #else 2432 lm = (ldt_info.flags >> 7) & 1; 2433 #endif 2434 2435 if (contents == 3) { 2436 if (seg_not_present == 0) 2437 return -TARGET_EINVAL; 2438 } 2439 2440 /* NOTE: same code as Linux kernel */ 2441 /* Allow LDTs to be cleared by the user. */ 2442 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 2443 if ((contents == 0 && 2444 read_exec_only == 1 && 2445 seg_32bit == 0 && 2446 limit_in_pages == 0 && 2447 seg_not_present == 1 && 2448 useable == 0 )) { 2449 entry_1 = 0; 2450 entry_2 = 0; 2451 goto install; 2452 } 2453 } 2454 2455 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 2456 (ldt_info.limit & 0x0ffff); 2457 entry_2 = (ldt_info.base_addr & 0xff000000) | 2458 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 2459 (ldt_info.limit & 0xf0000) | 2460 ((read_exec_only ^ 1) << 9) | 2461 (contents << 10) | 2462 ((seg_not_present ^ 1) << 15) | 2463 (seg_32bit << 22) | 2464 (limit_in_pages << 23) | 2465 (useable << 20) | 2466 (lm << 21) | 2467 0x7000; 2468 2469 /* Install the new entry ... */ 2470 install: 2471 lp = (uint32_t *)(gdt_table + ldt_info.entry_number); 2472 lp[0] = tswap32(entry_1); 2473 lp[1] = tswap32(entry_2); 2474 return 0; 2475 } 2476 2477 abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) 2478 { 2479 struct target_modify_ldt_ldt_s *target_ldt_info; 2480 uint64_t *gdt_table = g2h(env->gdt.base); 2481 uint32_t base_addr, limit, flags; 2482 int seg_32bit, contents, read_exec_only, limit_in_pages, idx; 2483 int seg_not_present, useable, lm; 2484 uint32_t *lp, entry_1, entry_2; 2485 2486 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); 2487 if (!target_ldt_info) 2488 return -TARGET_EFAULT; 2489 idx = tswap32(target_ldt_info->entry_number); 2490 if (idx < TARGET_GDT_ENTRY_TLS_MIN || 2491 idx > TARGET_GDT_ENTRY_TLS_MAX) { 2492 unlock_user_struct(target_ldt_info, ptr, 1); 2493 return -TARGET_EINVAL; 2494 } 2495 lp = (uint32_t *)(gdt_table + idx); 2496 entry_1 = tswap32(lp[0]); 2497 entry_2 = tswap32(lp[1]); 2498 2499 read_exec_only = ((entry_2 >> 9) & 1) ^ 1; 2500 contents = (entry_2 >> 10) & 3; 2501 seg_not_present = ((entry_2 >> 15) & 1) ^ 1; 2502 seg_32bit = (entry_2 >> 22) & 1; 2503 limit_in_pages = (entry_2 >> 23) & 1; 2504 useable = (entry_2 >> 20) & 1; 2505 #ifdef TARGET_ABI32 2506 lm = 0; 2507 #else 2508 lm = (entry_2 >> 21) & 1; 2509 #endif 2510 flags = (seg_32bit << 0) | (contents << 1) | 2511 (read_exec_only << 3) | (limit_in_pages << 4) | 2512 (seg_not_present << 5) | (useable << 6) | (lm << 7); 2513 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); 2514 base_addr = (entry_1 >> 16) | 2515 (entry_2 & 0xff000000) | 2516 ((entry_2 & 0xff) << 16); 2517 target_ldt_info->base_addr = tswapl(base_addr); 2518 target_ldt_info->limit = tswap32(limit); 2519 target_ldt_info->flags = tswap32(flags); 2520 unlock_user_struct(target_ldt_info, ptr, 1); 2521 return 0; 2522 } 2523 2524 #endif /* defined(TARGET_I386) */ 2525 2526 /* this stack is the equivalent of the kernel stack associated with a 2527 thread/process */ 2528 #define NEW_STACK_SIZE 8192 2529 2530 static int clone_func(void *arg) 2531 { 2532 CPUState *env = arg; 2533 cpu_loop(env); 2534 /* never exits */ 2535 return 0; 2536 } 2537 2538 /* do_fork() Must return host values and target errnos (unlike most 2539 do_*() functions). */ 2540 int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp) 2541 { 2542 int ret; 2543 TaskState *ts; 2544 uint8_t *new_stack; 2545 CPUState *new_env; 2546 2547 if (flags & CLONE_VM) { 2548 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 2549 memset(ts, 0, sizeof(TaskState)); 2550 new_stack = ts->stack; 2551 ts->used = 1; 2552 /* add in task state list */ 2553 ts->next = first_task_state; 2554 first_task_state = ts; 2555 /* we create a new CPU instance. */ 2556 new_env = cpu_copy(env); 2557 #if defined(TARGET_I386) 2558 if (!newsp) 2559 newsp = env->regs[R_ESP]; 2560 new_env->regs[R_ESP] = newsp; 2561 new_env->regs[R_EAX] = 0; 2562 #elif defined(TARGET_ARM) 2563 if (!newsp) 2564 newsp = env->regs[13]; 2565 new_env->regs[13] = newsp; 2566 new_env->regs[0] = 0; 2567 #elif defined(TARGET_SPARC) 2568 if (!newsp) 2569 newsp = env->regwptr[22]; 2570 new_env->regwptr[22] = newsp; 2571 new_env->regwptr[0] = 0; 2572 /* XXXXX */ 2573 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 2574 #elif defined(TARGET_M68K) 2575 if (!newsp) 2576 newsp = env->aregs[7]; 2577 new_env->aregs[7] = newsp; 2578 new_env->dregs[0] = 0; 2579 /* ??? is this sufficient? */ 2580 #elif defined(TARGET_MIPS) 2581 if (!newsp) 2582 newsp = env->gpr[29][env->current_tc]; 2583 new_env->gpr[29][env->current_tc] = newsp; 2584 #elif defined(TARGET_PPC) 2585 if (!newsp) 2586 newsp = env->gpr[1]; 2587 new_env->gpr[1] = newsp; 2588 { 2589 int i; 2590 for (i = 7; i < 32; i++) 2591 new_env->gpr[i] = 0; 2592 } 2593 #elif defined(TARGET_SH4) 2594 if (!newsp) 2595 newsp = env->gregs[15]; 2596 new_env->gregs[15] = newsp; 2597 /* XXXXX */ 2598 #elif defined(TARGET_ALPHA) 2599 if (!newsp) 2600 newsp = env->ir[30]; 2601 new_env->ir[30] = newsp; 2602 /* ? */ 2603 { 2604 int i; 2605 for (i = 7; i < 30; i++) 2606 new_env->ir[i] = 0; 2607 } 2608 #elif defined(TARGET_CRIS) 2609 if (!newsp) 2610 newsp = env->regs[14]; 2611 new_env->regs[14] = newsp; 2612 #else 2613 #error unsupported target CPU 2614 #endif 2615 new_env->opaque = ts; 2616 #ifdef __ia64__ 2617 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2618 #else 2619 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2620 #endif 2621 } else { 2622 /* if no CLONE_VM, we consider it is a fork */ 2623 if ((flags & ~CSIGNAL) != 0) 2624 return -EINVAL; 2625 ret = fork(); 2626 } 2627 return ret; 2628 } 2629 2630 static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) 2631 { 2632 struct flock fl; 2633 struct target_flock *target_fl; 2634 struct flock64 fl64; 2635 struct target_flock64 *target_fl64; 2636 abi_long ret; 2637 2638 switch(cmd) { 2639 case TARGET_F_GETLK: 2640 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) 2641 return -TARGET_EFAULT; 2642 fl.l_type = tswap16(target_fl->l_type); 2643 fl.l_whence = tswap16(target_fl->l_whence); 2644 fl.l_start = tswapl(target_fl->l_start); 2645 fl.l_len = tswapl(target_fl->l_len); 2646 fl.l_pid = tswapl(target_fl->l_pid); 2647 unlock_user_struct(target_fl, arg, 0); 2648 ret = get_errno(fcntl(fd, cmd, &fl)); 2649 if (ret == 0) { 2650 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) 2651 return -TARGET_EFAULT; 2652 target_fl->l_type = tswap16(fl.l_type); 2653 target_fl->l_whence = tswap16(fl.l_whence); 2654 target_fl->l_start = tswapl(fl.l_start); 2655 target_fl->l_len = tswapl(fl.l_len); 2656 target_fl->l_pid = tswapl(fl.l_pid); 2657 unlock_user_struct(target_fl, arg, 1); 2658 } 2659 break; 2660 2661 case TARGET_F_SETLK: 2662 case TARGET_F_SETLKW: 2663 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) 2664 return -TARGET_EFAULT; 2665 fl.l_type = tswap16(target_fl->l_type); 2666 fl.l_whence = tswap16(target_fl->l_whence); 2667 fl.l_start = tswapl(target_fl->l_start); 2668 fl.l_len = tswapl(target_fl->l_len); 2669 fl.l_pid = tswapl(target_fl->l_pid); 2670 unlock_user_struct(target_fl, arg, 0); 2671 ret = get_errno(fcntl(fd, cmd, &fl)); 2672 break; 2673 2674 case TARGET_F_GETLK64: 2675 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) 2676 return -TARGET_EFAULT; 2677 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2678 fl64.l_whence = tswap16(target_fl64->l_whence); 2679 fl64.l_start = tswapl(target_fl64->l_start); 2680 fl64.l_len = tswapl(target_fl64->l_len); 2681 fl64.l_pid = tswap16(target_fl64->l_pid); 2682 unlock_user_struct(target_fl64, arg, 0); 2683 ret = get_errno(fcntl(fd, cmd >> 1, &fl64)); 2684 if (ret == 0) { 2685 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) 2686 return -TARGET_EFAULT; 2687 target_fl64->l_type = tswap16(fl64.l_type) >> 1; 2688 target_fl64->l_whence = tswap16(fl64.l_whence); 2689 target_fl64->l_start = tswapl(fl64.l_start); 2690 target_fl64->l_len = tswapl(fl64.l_len); 2691 target_fl64->l_pid = tswapl(fl64.l_pid); 2692 unlock_user_struct(target_fl64, arg, 1); 2693 } 2694 break; 2695 case TARGET_F_SETLK64: 2696 case TARGET_F_SETLKW64: 2697 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) 2698 return -TARGET_EFAULT; 2699 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2700 fl64.l_whence = tswap16(target_fl64->l_whence); 2701 fl64.l_start = tswapl(target_fl64->l_start); 2702 fl64.l_len = tswapl(target_fl64->l_len); 2703 fl64.l_pid = tswap16(target_fl64->l_pid); 2704 unlock_user_struct(target_fl64, arg, 0); 2705 ret = get_errno(fcntl(fd, cmd >> 1, &fl64)); 2706 break; 2707 2708 case F_GETFL: 2709 ret = get_errno(fcntl(fd, cmd, arg)); 2710 if (ret >= 0) { 2711 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 2712 } 2713 break; 2714 2715 case F_SETFL: 2716 ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); 2717 break; 2718 2719 default: 2720 ret = get_errno(fcntl(fd, cmd, arg)); 2721 break; 2722 } 2723 return ret; 2724 } 2725 2726 #ifdef USE_UID16 2727 2728 static inline int high2lowuid(int uid) 2729 { 2730 if (uid > 65535) 2731 return 65534; 2732 else 2733 return uid; 2734 } 2735 2736 static inline int high2lowgid(int gid) 2737 { 2738 if (gid > 65535) 2739 return 65534; 2740 else 2741 return gid; 2742 } 2743 2744 static inline int low2highuid(int uid) 2745 { 2746 if ((int16_t)uid == -1) 2747 return -1; 2748 else 2749 return uid; 2750 } 2751 2752 static inline int low2highgid(int gid) 2753 { 2754 if ((int16_t)gid == -1) 2755 return -1; 2756 else 2757 return gid; 2758 } 2759 2760 #endif /* USE_UID16 */ 2761 2762 void syscall_init(void) 2763 { 2764 IOCTLEntry *ie; 2765 const argtype *arg_type; 2766 int size; 2767 int i; 2768 2769 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 2770 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 2771 #include "syscall_types.h" 2772 #undef STRUCT 2773 #undef STRUCT_SPECIAL 2774 2775 /* we patch the ioctl size if necessary. We rely on the fact that 2776 no ioctl has all the bits at '1' in the size field */ 2777 ie = ioctl_entries; 2778 while (ie->target_cmd != 0) { 2779 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 2780 TARGET_IOC_SIZEMASK) { 2781 arg_type = ie->arg_type; 2782 if (arg_type[0] != TYPE_PTR) { 2783 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 2784 ie->target_cmd); 2785 exit(1); 2786 } 2787 arg_type++; 2788 size = thunk_type_size(arg_type, 0); 2789 ie->target_cmd = (ie->target_cmd & 2790 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 2791 (size << TARGET_IOC_SIZESHIFT); 2792 } 2793 2794 /* Build target_to_host_errno_table[] table from 2795 * host_to_target_errno_table[]. */ 2796 for (i=0; i < ERRNO_TABLE_SIZE; i++) 2797 target_to_host_errno_table[host_to_target_errno_table[i]] = i; 2798 2799 /* automatic consistency check if same arch */ 2800 #if defined(__i386__) && defined(TARGET_I386) 2801 if (ie->target_cmd != ie->host_cmd) { 2802 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 2803 ie->target_cmd, ie->host_cmd); 2804 } 2805 #endif 2806 ie++; 2807 } 2808 } 2809 2810 #if TARGET_ABI_BITS == 32 2811 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) 2812 { 2813 #ifdef TARGET_WORDS_BIG_ENDIAN 2814 return ((uint64_t)word0 << 32) | word1; 2815 #else 2816 return ((uint64_t)word1 << 32) | word0; 2817 #endif 2818 } 2819 #else /* TARGET_ABI_BITS == 32 */ 2820 static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) 2821 { 2822 return word0; 2823 } 2824 #endif /* TARGET_ABI_BITS != 32 */ 2825 2826 #ifdef TARGET_NR_truncate64 2827 static inline abi_long target_truncate64(void *cpu_env, const char *arg1, 2828 abi_long arg2, 2829 abi_long arg3, 2830 abi_long arg4) 2831 { 2832 #ifdef TARGET_ARM 2833 if (((CPUARMState *)cpu_env)->eabi) 2834 { 2835 arg2 = arg3; 2836 arg3 = arg4; 2837 } 2838 #endif 2839 return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); 2840 } 2841 #endif 2842 2843 #ifdef TARGET_NR_ftruncate64 2844 static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, 2845 abi_long arg2, 2846 abi_long arg3, 2847 abi_long arg4) 2848 { 2849 #ifdef TARGET_ARM 2850 if (((CPUARMState *)cpu_env)->eabi) 2851 { 2852 arg2 = arg3; 2853 arg3 = arg4; 2854 } 2855 #endif 2856 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); 2857 } 2858 #endif 2859 2860 static inline abi_long target_to_host_timespec(struct timespec *host_ts, 2861 abi_ulong target_addr) 2862 { 2863 struct target_timespec *target_ts; 2864 2865 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) 2866 return -TARGET_EFAULT; 2867 host_ts->tv_sec = tswapl(target_ts->tv_sec); 2868 host_ts->tv_nsec = tswapl(target_ts->tv_nsec); 2869 unlock_user_struct(target_ts, target_addr, 0); 2870 } 2871 2872 static inline abi_long host_to_target_timespec(abi_ulong target_addr, 2873 struct timespec *host_ts) 2874 { 2875 struct target_timespec *target_ts; 2876 2877 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) 2878 return -TARGET_EFAULT; 2879 target_ts->tv_sec = tswapl(host_ts->tv_sec); 2880 target_ts->tv_nsec = tswapl(host_ts->tv_nsec); 2881 unlock_user_struct(target_ts, target_addr, 1); 2882 } 2883 2884 /* do_syscall() should always have a single exit point at the end so 2885 that actions, such as logging of syscall results, can be performed. 2886 All errnos that do_syscall() returns must be -TARGET_<errcode>. */ 2887 abi_long do_syscall(void *cpu_env, int num, abi_long arg1, 2888 abi_long arg2, abi_long arg3, abi_long arg4, 2889 abi_long arg5, abi_long arg6) 2890 { 2891 abi_long ret; 2892 struct stat st; 2893 struct statfs stfs; 2894 void *p; 2895 2896 #ifdef DEBUG 2897 gemu_log("syscall %d", num); 2898 #endif 2899 if(do_strace) 2900 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); 2901 2902 switch(num) { 2903 case TARGET_NR_exit: 2904 #ifdef HAVE_GPROF 2905 _mcleanup(); 2906 #endif 2907 gdb_exit(cpu_env, arg1); 2908 /* XXX: should free thread stack and CPU env */ 2909 _exit(arg1); 2910 ret = 0; /* avoid warning */ 2911 break; 2912 case TARGET_NR_read: 2913 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) 2914 goto efault; 2915 ret = get_errno(read(arg1, p, arg3)); 2916 unlock_user(p, arg2, ret); 2917 break; 2918 case TARGET_NR_write: 2919 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) 2920 goto efault; 2921 ret = get_errno(write(arg1, p, arg3)); 2922 unlock_user(p, arg2, 0); 2923 break; 2924 case TARGET_NR_open: 2925 if (!(p = lock_user_string(arg1))) { 2926 return -TARGET_EFAULT; 2927 goto fail; 2928 } 2929 ret = get_errno(open(path(p), 2930 target_to_host_bitmask(arg2, fcntl_flags_tbl), 2931 arg3)); 2932 unlock_user(p, arg1, 0); 2933 break; 2934 #if defined(TARGET_NR_openat) && defined(__NR_openat) 2935 case TARGET_NR_openat: 2936 if (!(p = lock_user_string(arg2))) 2937 goto efault; 2938 ret = get_errno(sys_openat(arg1, 2939 path(p), 2940 target_to_host_bitmask(arg3, fcntl_flags_tbl), 2941 arg4)); 2942 unlock_user(p, arg2, 0); 2943 break; 2944 #endif 2945 case TARGET_NR_close: 2946 ret = get_errno(close(arg1)); 2947 break; 2948 case TARGET_NR_brk: 2949 ret = do_brk(arg1); 2950 break; 2951 case TARGET_NR_fork: 2952 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 2953 break; 2954 #ifdef TARGET_NR_waitpid 2955 case TARGET_NR_waitpid: 2956 { 2957 int status; 2958 ret = get_errno(waitpid(arg1, &status, arg3)); 2959 if (!is_error(ret) && arg2) 2960 tput32(arg2, status); 2961 } 2962 break; 2963 #endif 2964 #ifdef TARGET_NR_creat /* not on alpha */ 2965 case TARGET_NR_creat: 2966 if (!(p = lock_user_string(arg1))) 2967 goto efault; 2968 ret = get_errno(creat(p, arg2)); 2969 unlock_user(p, arg1, 0); 2970 break; 2971 #endif 2972 case TARGET_NR_link: 2973 { 2974 void * p2; 2975 p = lock_user_string(arg1); 2976 p2 = lock_user_string(arg2); 2977 if (!p || !p2) 2978 ret = -TARGET_EFAULT; 2979 else 2980 ret = get_errno(link(p, p2)); 2981 unlock_user(p2, arg2, 0); 2982 unlock_user(p, arg1, 0); 2983 } 2984 break; 2985 #if defined(TARGET_NR_linkat) && defined(__NR_linkat) 2986 case TARGET_NR_linkat: 2987 { 2988 void * p2 = NULL; 2989 if (!arg2 || !arg4) 2990 goto efault; 2991 p = lock_user_string(arg2); 2992 p2 = lock_user_string(arg4); 2993 if (!p || !p2) 2994 ret = -TARGET_EFAULT; 2995 else 2996 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); 2997 unlock_user(p, arg2, 0); 2998 unlock_user(p2, arg4, 0); 2999 } 3000 break; 3001 #endif 3002 case TARGET_NR_unlink: 3003 if (!(p = lock_user_string(arg1))) 3004 goto efault; 3005 ret = get_errno(unlink(p)); 3006 unlock_user(p, arg1, 0); 3007 break; 3008 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) 3009 case TARGET_NR_unlinkat: 3010 if (!(p = lock_user_string(arg2))) 3011 goto efault; 3012 ret = get_errno(sys_unlinkat(arg1, p, arg3)); 3013 unlock_user(p, arg2, 0); 3014 #endif 3015 case TARGET_NR_execve: 3016 { 3017 char **argp, **envp; 3018 int argc, envc; 3019 abi_ulong gp; 3020 abi_ulong guest_argp; 3021 abi_ulong guest_envp; 3022 abi_ulong addr; 3023 char **q; 3024 3025 argc = 0; 3026 guest_argp = arg2; 3027 for (gp = guest_argp; tgetl(gp); gp++) 3028 argc++; 3029 envc = 0; 3030 guest_envp = arg3; 3031 for (gp = guest_envp; tgetl(gp); gp++) 3032 envc++; 3033 3034 argp = alloca((argc + 1) * sizeof(void *)); 3035 envp = alloca((envc + 1) * sizeof(void *)); 3036 3037 for (gp = guest_argp, q = argp; ; 3038 gp += sizeof(abi_ulong), q++) { 3039 addr = tgetl(gp); 3040 if (!addr) 3041 break; 3042 if (!(*q = lock_user_string(addr))) { 3043 ret = -TARGET_EFAULT; 3044 goto execve_fail; 3045 } 3046 } 3047 *q = NULL; 3048 3049 for (gp = guest_envp, q = envp; ; 3050 gp += sizeof(abi_ulong), q++) { 3051 addr = tgetl(gp); 3052 if (!addr) 3053 break; 3054 if (!(*q = lock_user_string(addr))) { 3055 ret = -TARGET_EFAULT; 3056 goto execve_fail; 3057 } 3058 } 3059 *q = NULL; 3060 3061 if (!(p = lock_user_string(arg1))) { 3062 ret = -TARGET_EFAULT; 3063 goto execve_fail; 3064 } 3065 ret = get_errno(execve(p, argp, envp)); 3066 unlock_user(p, arg1, 0); 3067 3068 execve_fail: 3069 for (gp = guest_argp, q = argp; *q; 3070 gp += sizeof(abi_ulong), q++) { 3071 addr = tgetl(gp); 3072 unlock_user(*q, addr, 0); 3073 } 3074 for (gp = guest_envp, q = envp; *q; 3075 gp += sizeof(abi_ulong), q++) { 3076 addr = tgetl(gp); 3077 unlock_user(*q, addr, 0); 3078 } 3079 } 3080 break; 3081 case TARGET_NR_chdir: 3082 if (!(p = lock_user_string(arg1))) 3083 goto efault; 3084 ret = get_errno(chdir(p)); 3085 unlock_user(p, arg1, 0); 3086 break; 3087 #ifdef TARGET_NR_time 3088 case TARGET_NR_time: 3089 { 3090 time_t host_time; 3091 ret = get_errno(time(&host_time)); 3092 if (!is_error(ret) && arg1) 3093 tputl(arg1, host_time); 3094 } 3095 break; 3096 #endif 3097 case TARGET_NR_mknod: 3098 if (!(p = lock_user_string(arg1))) 3099 goto efault; 3100 ret = get_errno(mknod(p, arg2, arg3)); 3101 unlock_user(p, arg1, 0); 3102 break; 3103 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) 3104 case TARGET_NR_mknodat: 3105 if (!(p = lock_user_string(arg2))) 3106 goto efault; 3107 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); 3108 unlock_user(p, arg2, 0); 3109 break; 3110 #endif 3111 case TARGET_NR_chmod: 3112 if (!(p = lock_user_string(arg1))) 3113 goto efault; 3114 ret = get_errno(chmod(p, arg2)); 3115 unlock_user(p, arg1, 0); 3116 break; 3117 #ifdef TARGET_NR_break 3118 case TARGET_NR_break: 3119 goto unimplemented; 3120 #endif 3121 #ifdef TARGET_NR_oldstat 3122 case TARGET_NR_oldstat: 3123 goto unimplemented; 3124 #endif 3125 case TARGET_NR_lseek: 3126 ret = get_errno(lseek(arg1, arg2, arg3)); 3127 break; 3128 #ifdef TARGET_NR_getxpid 3129 case TARGET_NR_getxpid: 3130 #else 3131 case TARGET_NR_getpid: 3132 #endif 3133 ret = get_errno(getpid()); 3134 break; 3135 case TARGET_NR_mount: 3136 { 3137 /* need to look at the data field */ 3138 void *p2, *p3; 3139 p = lock_user_string(arg1); 3140 p2 = lock_user_string(arg2); 3141 p3 = lock_user_string(arg3); 3142 if (!p || !p2 || !p3) 3143 ret = -TARGET_EFAULT; 3144 else 3145 /* FIXME - arg5 should be locked, but it isn't clear how to 3146 * do that since it's not guaranteed to be a NULL-terminated 3147 * string. 3148 */ 3149 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5))); 3150 unlock_user(p, arg1, 0); 3151 unlock_user(p2, arg2, 0); 3152 unlock_user(p3, arg3, 0); 3153 break; 3154 } 3155 #ifdef TARGET_NR_umount 3156 case TARGET_NR_umount: 3157 if (!(p = lock_user_string(arg1))) 3158 goto efault; 3159 ret = get_errno(umount(p)); 3160 unlock_user(p, arg1, 0); 3161 break; 3162 #endif 3163 #ifdef TARGET_NR_stime /* not on alpha */ 3164 case TARGET_NR_stime: 3165 { 3166 time_t host_time; 3167 host_time = tgetl(arg1); 3168 ret = get_errno(stime(&host_time)); 3169 } 3170 break; 3171 #endif 3172 case TARGET_NR_ptrace: 3173 goto unimplemented; 3174 #ifdef TARGET_NR_alarm /* not on alpha */ 3175 case TARGET_NR_alarm: 3176 ret = alarm(arg1); 3177 break; 3178 #endif 3179 #ifdef TARGET_NR_oldfstat 3180 case TARGET_NR_oldfstat: 3181 goto unimplemented; 3182 #endif 3183 #ifdef TARGET_NR_pause /* not on alpha */ 3184 case TARGET_NR_pause: 3185 ret = get_errno(pause()); 3186 break; 3187 #endif 3188 #ifdef TARGET_NR_utime 3189 case TARGET_NR_utime: 3190 { 3191 struct utimbuf tbuf, *host_tbuf; 3192 struct target_utimbuf *target_tbuf; 3193 if (arg2) { 3194 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) 3195 goto efault; 3196 tbuf.actime = tswapl(target_tbuf->actime); 3197 tbuf.modtime = tswapl(target_tbuf->modtime); 3198 unlock_user_struct(target_tbuf, arg2, 0); 3199 host_tbuf = &tbuf; 3200 } else { 3201 host_tbuf = NULL; 3202 } 3203 if (!(p = lock_user_string(arg1))) 3204 goto efault; 3205 ret = get_errno(utime(p, host_tbuf)); 3206 unlock_user(p, arg1, 0); 3207 } 3208 break; 3209 #endif 3210 case TARGET_NR_utimes: 3211 { 3212 struct timeval *tvp, tv[2]; 3213 if (arg2) { 3214 target_to_host_timeval(&tv[0], arg2); 3215 target_to_host_timeval(&tv[1], 3216 arg2 + sizeof (struct target_timeval)); 3217 tvp = tv; 3218 } else { 3219 tvp = NULL; 3220 } 3221 if (!(p = lock_user_string(arg1))) 3222 goto efault; 3223 ret = get_errno(utimes(p, tvp)); 3224 unlock_user(p, arg1, 0); 3225 } 3226 break; 3227 #ifdef TARGET_NR_stty 3228 case TARGET_NR_stty: 3229 goto unimplemented; 3230 #endif 3231 #ifdef TARGET_NR_gtty 3232 case TARGET_NR_gtty: 3233 goto unimplemented; 3234 #endif 3235 case TARGET_NR_access: 3236 if (!(p = lock_user_string(arg1))) 3237 goto efault; 3238 ret = get_errno(access(p, arg2)); 3239 unlock_user(p, arg1, 0); 3240 break; 3241 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) 3242 case TARGET_NR_faccessat: 3243 if (!(p = lock_user_string(arg2))) 3244 goto efault; 3245 ret = get_errno(sys_faccessat(arg1, p, arg3, arg4)); 3246 unlock_user(p, arg2, 0); 3247 break; 3248 #endif 3249 #ifdef TARGET_NR_nice /* not on alpha */ 3250 case TARGET_NR_nice: 3251 ret = get_errno(nice(arg1)); 3252 break; 3253 #endif 3254 #ifdef TARGET_NR_ftime 3255 case TARGET_NR_ftime: 3256 goto unimplemented; 3257 #endif 3258 case TARGET_NR_sync: 3259 sync(); 3260 ret = 0; 3261 break; 3262 case TARGET_NR_kill: 3263 ret = get_errno(kill(arg1, arg2)); 3264 break; 3265 case TARGET_NR_rename: 3266 { 3267 void *p2; 3268 p = lock_user_string(arg1); 3269 p2 = lock_user_string(arg2); 3270 if (!p || !p2) 3271 ret = -TARGET_EFAULT; 3272 else 3273 ret = get_errno(rename(p, p2)); 3274 unlock_user(p2, arg2, 0); 3275 unlock_user(p, arg1, 0); 3276 } 3277 break; 3278 #if defined(TARGET_NR_renameat) && defined(__NR_renameat) 3279 case TARGET_NR_renameat: 3280 { 3281 void *p2; 3282 p = lock_user_string(arg2); 3283 p2 = lock_user_string(arg4); 3284 if (!p || !p2) 3285 ret = -TARGET_EFAULT; 3286 else 3287 ret = get_errno(sys_renameat(arg1, p, arg3, p2)); 3288 unlock_user(p2, arg4, 0); 3289 unlock_user(p, arg2, 0); 3290 } 3291 break; 3292 #endif 3293 case TARGET_NR_mkdir: 3294 if (!(p = lock_user_string(arg1))) 3295 goto efault; 3296 ret = get_errno(mkdir(p, arg2)); 3297 unlock_user(p, arg1, 0); 3298 break; 3299 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) 3300 case TARGET_NR_mkdirat: 3301 if (!(p = lock_user_string(arg2))) 3302 goto efault; 3303 ret = get_errno(sys_mkdirat(arg1, p, arg3)); 3304 unlock_user(p, arg2, 0); 3305 break; 3306 #endif 3307 case TARGET_NR_rmdir: 3308 if (!(p = lock_user_string(arg1))) 3309 goto efault; 3310 ret = get_errno(rmdir(p)); 3311 unlock_user(p, arg1, 0); 3312 break; 3313 case TARGET_NR_dup: 3314 ret = get_errno(dup(arg1)); 3315 break; 3316 case TARGET_NR_pipe: 3317 { 3318 int host_pipe[2]; 3319 ret = get_errno(pipe(host_pipe)); 3320 if (!is_error(ret)) { 3321 #if defined(TARGET_MIPS) 3322 CPUMIPSState *env = (CPUMIPSState*)cpu_env; 3323 env->gpr[3][env->current_tc] = host_pipe[1]; 3324 ret = host_pipe[0]; 3325 #else 3326 tput32(arg1, host_pipe[0]); 3327 tput32(arg1 + 4, host_pipe[1]); 3328 #endif 3329 } 3330 } 3331 break; 3332 case TARGET_NR_times: 3333 { 3334 struct target_tms *tmsp; 3335 struct tms tms; 3336 ret = get_errno(times(&tms)); 3337 if (arg1) { 3338 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); 3339 if (!tmsp) 3340 goto efault; 3341 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 3342 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 3343 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 3344 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 3345 } 3346 if (!is_error(ret)) 3347 ret = host_to_target_clock_t(ret); 3348 } 3349 break; 3350 #ifdef TARGET_NR_prof 3351 case TARGET_NR_prof: 3352 goto unimplemented; 3353 #endif 3354 #ifdef TARGET_NR_signal 3355 case TARGET_NR_signal: 3356 goto unimplemented; 3357 #endif 3358 case TARGET_NR_acct: 3359 if (!(p = lock_user_string(arg1))) 3360 goto efault; 3361 ret = get_errno(acct(path(p))); 3362 unlock_user(p, arg1, 0); 3363 break; 3364 #ifdef TARGET_NR_umount2 /* not on alpha */ 3365 case TARGET_NR_umount2: 3366 if (!(p = lock_user_string(arg1))) 3367 goto efault; 3368 ret = get_errno(umount2(p, arg2)); 3369 unlock_user(p, arg1, 0); 3370 break; 3371 #endif 3372 #ifdef TARGET_NR_lock 3373 case TARGET_NR_lock: 3374 goto unimplemented; 3375 #endif 3376 case TARGET_NR_ioctl: 3377 ret = do_ioctl(arg1, arg2, arg3); 3378 break; 3379 case TARGET_NR_fcntl: 3380 ret = do_fcntl(arg1, arg2, arg3); 3381 break; 3382 #ifdef TARGET_NR_mpx 3383 case TARGET_NR_mpx: 3384 goto unimplemented; 3385 #endif 3386 case TARGET_NR_setpgid: 3387 ret = get_errno(setpgid(arg1, arg2)); 3388 break; 3389 #ifdef TARGET_NR_ulimit 3390 case TARGET_NR_ulimit: 3391 goto unimplemented; 3392 #endif 3393 #ifdef TARGET_NR_oldolduname 3394 case TARGET_NR_oldolduname: 3395 goto unimplemented; 3396 #endif 3397 case TARGET_NR_umask: 3398 ret = get_errno(umask(arg1)); 3399 break; 3400 case TARGET_NR_chroot: 3401 if (!(p = lock_user_string(arg1))) 3402 goto efault; 3403 ret = get_errno(chroot(p)); 3404 unlock_user(p, arg1, 0); 3405 break; 3406 case TARGET_NR_ustat: 3407 goto unimplemented; 3408 case TARGET_NR_dup2: 3409 ret = get_errno(dup2(arg1, arg2)); 3410 break; 3411 #ifdef TARGET_NR_getppid /* not on alpha */ 3412 case TARGET_NR_getppid: 3413 ret = get_errno(getppid()); 3414 break; 3415 #endif 3416 case TARGET_NR_getpgrp: 3417 ret = get_errno(getpgrp()); 3418 break; 3419 case TARGET_NR_setsid: 3420 ret = get_errno(setsid()); 3421 break; 3422 #ifdef TARGET_NR_sigaction 3423 case TARGET_NR_sigaction: 3424 { 3425 #if !defined(TARGET_MIPS) 3426 struct target_old_sigaction *old_act; 3427 struct target_sigaction act, oact, *pact; 3428 if (arg2) { 3429 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) 3430 goto efault; 3431 act._sa_handler = old_act->_sa_handler; 3432 target_siginitset(&act.sa_mask, old_act->sa_mask); 3433 act.sa_flags = old_act->sa_flags; 3434 act.sa_restorer = old_act->sa_restorer; 3435 unlock_user_struct(old_act, arg2, 0); 3436 pact = &act; 3437 } else { 3438 pact = NULL; 3439 } 3440 ret = get_errno(do_sigaction(arg1, pact, &oact)); 3441 if (!is_error(ret) && arg3) { 3442 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) 3443 goto efault; 3444 old_act->_sa_handler = oact._sa_handler; 3445 old_act->sa_mask = oact.sa_mask.sig[0]; 3446 old_act->sa_flags = oact.sa_flags; 3447 old_act->sa_restorer = oact.sa_restorer; 3448 unlock_user_struct(old_act, arg3, 1); 3449 } 3450 #else 3451 struct target_sigaction act, oact, *pact, *old_act; 3452 3453 if (arg2) { 3454 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) 3455 goto efault; 3456 act._sa_handler = old_act->_sa_handler; 3457 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); 3458 act.sa_flags = old_act->sa_flags; 3459 unlock_user_struct(old_act, arg2, 0); 3460 pact = &act; 3461 } else { 3462 pact = NULL; 3463 } 3464 3465 ret = get_errno(do_sigaction(arg1, pact, &oact)); 3466 3467 if (!is_error(ret) && arg3) { 3468 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) 3469 goto efault; 3470 old_act->_sa_handler = oact._sa_handler; 3471 old_act->sa_flags = oact.sa_flags; 3472 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; 3473 old_act->sa_mask.sig[1] = 0; 3474 old_act->sa_mask.sig[2] = 0; 3475 old_act->sa_mask.sig[3] = 0; 3476 unlock_user_struct(old_act, arg3, 1); 3477 } 3478 #endif 3479 } 3480 break; 3481 #endif 3482 case TARGET_NR_rt_sigaction: 3483 { 3484 struct target_sigaction *act; 3485 struct target_sigaction *oact; 3486 3487 if (arg2) { 3488 if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) 3489 goto efault; 3490 } else 3491 act = NULL; 3492 if (arg3) { 3493 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { 3494 ret = -TARGET_EFAULT; 3495 goto rt_sigaction_fail; 3496 } 3497 } else 3498 oact = NULL; 3499 ret = get_errno(do_sigaction(arg1, act, oact)); 3500 rt_sigaction_fail: 3501 if (act) 3502 unlock_user_struct(act, arg2, 0); 3503 if (oact) 3504 unlock_user_struct(oact, arg3, 1); 3505 } 3506 break; 3507 #ifdef TARGET_NR_sgetmask /* not on alpha */ 3508 case TARGET_NR_sgetmask: 3509 { 3510 sigset_t cur_set; 3511 abi_ulong target_set; 3512 sigprocmask(0, NULL, &cur_set); 3513 host_to_target_old_sigset(&target_set, &cur_set); 3514 ret = target_set; 3515 } 3516 break; 3517 #endif 3518 #ifdef TARGET_NR_ssetmask /* not on alpha */ 3519 case TARGET_NR_ssetmask: 3520 { 3521 sigset_t set, oset, cur_set; 3522 abi_ulong target_set = arg1; 3523 sigprocmask(0, NULL, &cur_set); 3524 target_to_host_old_sigset(&set, &target_set); 3525 sigorset(&set, &set, &cur_set); 3526 sigprocmask(SIG_SETMASK, &set, &oset); 3527 host_to_target_old_sigset(&target_set, &oset); 3528 ret = target_set; 3529 } 3530 break; 3531 #endif 3532 #ifdef TARGET_NR_sigprocmask 3533 case TARGET_NR_sigprocmask: 3534 { 3535 int how = arg1; 3536 sigset_t set, oldset, *set_ptr; 3537 3538 if (arg2) { 3539 switch(how) { 3540 case TARGET_SIG_BLOCK: 3541 how = SIG_BLOCK; 3542 break; 3543 case TARGET_SIG_UNBLOCK: 3544 how = SIG_UNBLOCK; 3545 break; 3546 case TARGET_SIG_SETMASK: 3547 how = SIG_SETMASK; 3548 break; 3549 default: 3550 ret = -TARGET_EINVAL; 3551 goto fail; 3552 } 3553 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) 3554 goto efault; 3555 target_to_host_old_sigset(&set, p); 3556 unlock_user(p, arg2, 0); 3557 set_ptr = &set; 3558 } else { 3559 how = 0; 3560 set_ptr = NULL; 3561 } 3562 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 3563 if (!is_error(ret) && arg3) { 3564 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) 3565 goto efault; 3566 host_to_target_old_sigset(p, &oldset); 3567 unlock_user(p, arg3, sizeof(target_sigset_t)); 3568 } 3569 } 3570 break; 3571 #endif 3572 case TARGET_NR_rt_sigprocmask: 3573 { 3574 int how = arg1; 3575 sigset_t set, oldset, *set_ptr; 3576 3577 if (arg2) { 3578 switch(how) { 3579 case TARGET_SIG_BLOCK: 3580 how = SIG_BLOCK; 3581 break; 3582 case TARGET_SIG_UNBLOCK: 3583 how = SIG_UNBLOCK; 3584 break; 3585 case TARGET_SIG_SETMASK: 3586 how = SIG_SETMASK; 3587 break; 3588 default: 3589 ret = -TARGET_EINVAL; 3590 goto fail; 3591 } 3592 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) 3593 goto efault; 3594 target_to_host_sigset(&set, p); 3595 unlock_user(p, arg2, 0); 3596 set_ptr = &set; 3597 } else { 3598 how = 0; 3599 set_ptr = NULL; 3600 } 3601 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 3602 if (!is_error(ret) && arg3) { 3603 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) 3604 goto efault; 3605 host_to_target_sigset(p, &oldset); 3606 unlock_user(p, arg3, sizeof(target_sigset_t)); 3607 } 3608 } 3609 break; 3610 #ifdef TARGET_NR_sigpending 3611 case TARGET_NR_sigpending: 3612 { 3613 sigset_t set; 3614 ret = get_errno(sigpending(&set)); 3615 if (!is_error(ret)) { 3616 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) 3617 goto efault; 3618 host_to_target_old_sigset(p, &set); 3619 unlock_user(p, arg1, sizeof(target_sigset_t)); 3620 } 3621 } 3622 break; 3623 #endif 3624 case TARGET_NR_rt_sigpending: 3625 { 3626 sigset_t set; 3627 ret = get_errno(sigpending(&set)); 3628 if (!is_error(ret)) { 3629 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) 3630 goto efault; 3631 host_to_target_sigset(p, &set); 3632 unlock_user(p, arg1, sizeof(target_sigset_t)); 3633 } 3634 } 3635 break; 3636 #ifdef TARGET_NR_sigsuspend 3637 case TARGET_NR_sigsuspend: 3638 { 3639 sigset_t set; 3640 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) 3641 goto efault; 3642 target_to_host_old_sigset(&set, p); 3643 unlock_user(p, arg1, 0); 3644 ret = get_errno(sigsuspend(&set)); 3645 } 3646 break; 3647 #endif 3648 case TARGET_NR_rt_sigsuspend: 3649 { 3650 sigset_t set; 3651 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) 3652 goto efault; 3653 target_to_host_sigset(&set, p); 3654 unlock_user(p, arg1, 0); 3655 ret = get_errno(sigsuspend(&set)); 3656 } 3657 break; 3658 case TARGET_NR_rt_sigtimedwait: 3659 { 3660 sigset_t set; 3661 struct timespec uts, *puts; 3662 siginfo_t uinfo; 3663 3664 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) 3665 goto efault; 3666 target_to_host_sigset(&set, p); 3667 unlock_user(p, arg1, 0); 3668 if (arg3) { 3669 puts = &uts; 3670 target_to_host_timespec(puts, arg3); 3671 } else { 3672 puts = NULL; 3673 } 3674 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 3675 if (!is_error(ret) && arg2) { 3676 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_sigset_t), 0))) 3677 goto efault; 3678 host_to_target_siginfo(p, &uinfo); 3679 unlock_user(p, arg2, sizeof(target_sigset_t)); 3680 } 3681 } 3682 break; 3683 case TARGET_NR_rt_sigqueueinfo: 3684 { 3685 siginfo_t uinfo; 3686 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) 3687 goto efault; 3688 target_to_host_siginfo(&uinfo, p); 3689 unlock_user(p, arg1, 0); 3690 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 3691 } 3692 break; 3693 #ifdef TARGET_NR_sigreturn 3694 case TARGET_NR_sigreturn: 3695 /* NOTE: ret is eax, so not transcoding must be done */ 3696 ret = do_sigreturn(cpu_env); 3697 break; 3698 #endif 3699 case TARGET_NR_rt_sigreturn: 3700 /* NOTE: ret is eax, so not transcoding must be done */ 3701 ret = do_rt_sigreturn(cpu_env); 3702 break; 3703 case TARGET_NR_sethostname: 3704 if (!(p = lock_user_string(arg1))) 3705 goto efault; 3706 ret = get_errno(sethostname(p, arg2)); 3707 unlock_user(p, arg1, 0); 3708 break; 3709 case TARGET_NR_setrlimit: 3710 { 3711 /* XXX: convert resource ? */ 3712 int resource = arg1; 3713 struct target_rlimit *target_rlim; 3714 struct rlimit rlim; 3715 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) 3716 goto efault; 3717 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3718 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3719 unlock_user_struct(target_rlim, arg2, 0); 3720 ret = get_errno(setrlimit(resource, &rlim)); 3721 } 3722 break; 3723 case TARGET_NR_getrlimit: 3724 { 3725 /* XXX: convert resource ? */ 3726 int resource = arg1; 3727 struct target_rlimit *target_rlim; 3728 struct rlimit rlim; 3729 3730 ret = get_errno(getrlimit(resource, &rlim)); 3731 if (!is_error(ret)) { 3732 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) 3733 goto efault; 3734 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3735 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3736 unlock_user_struct(target_rlim, arg2, 1); 3737 } 3738 } 3739 break; 3740 case TARGET_NR_getrusage: 3741 { 3742 struct rusage rusage; 3743 ret = get_errno(getrusage(arg1, &rusage)); 3744 if (!is_error(ret)) { 3745 host_to_target_rusage(arg2, &rusage); 3746 } 3747 } 3748 break; 3749 case TARGET_NR_gettimeofday: 3750 { 3751 struct timeval tv; 3752 ret = get_errno(gettimeofday(&tv, NULL)); 3753 if (!is_error(ret)) { 3754 host_to_target_timeval(arg1, &tv); 3755 } 3756 } 3757 break; 3758 case TARGET_NR_settimeofday: 3759 { 3760 struct timeval tv; 3761 target_to_host_timeval(&tv, arg1); 3762 ret = get_errno(settimeofday(&tv, NULL)); 3763 } 3764 break; 3765 #ifdef TARGET_NR_select 3766 case TARGET_NR_select: 3767 { 3768 struct target_sel_arg_struct *sel; 3769 abi_ulong inp, outp, exp, tvp; 3770 long nsel; 3771 3772 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) 3773 goto efault; 3774 nsel = tswapl(sel->n); 3775 inp = tswapl(sel->inp); 3776 outp = tswapl(sel->outp); 3777 exp = tswapl(sel->exp); 3778 tvp = tswapl(sel->tvp); 3779 unlock_user_struct(sel, arg1, 0); 3780 ret = do_select(nsel, inp, outp, exp, tvp); 3781 } 3782 break; 3783 #endif 3784 case TARGET_NR_symlink: 3785 { 3786 void *p2; 3787 p = lock_user_string(arg1); 3788 p2 = lock_user_string(arg2); 3789 if (!p || !p2) 3790 ret = -TARGET_EFAULT; 3791 else 3792 ret = get_errno(symlink(p, p2)); 3793 unlock_user(p2, arg2, 0); 3794 unlock_user(p, arg1, 0); 3795 } 3796 break; 3797 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) 3798 case TARGET_NR_symlinkat: 3799 { 3800 void *p2; 3801 p = lock_user_string(arg1); 3802 p2 = lock_user_string(arg3); 3803 if (!p || !p2) 3804 ret = -TARGET_EFAULT; 3805 else 3806 ret = get_errno(sys_symlinkat(p, arg2, p2)); 3807 unlock_user(p2, arg3, 0); 3808 unlock_user(p, arg1, 0); 3809 } 3810 break; 3811 #endif 3812 #ifdef TARGET_NR_oldlstat 3813 case TARGET_NR_oldlstat: 3814 goto unimplemented; 3815 #endif 3816 case TARGET_NR_readlink: 3817 { 3818 void *p2; 3819 p = lock_user_string(arg1); 3820 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); 3821 if (!p || !p2) 3822 ret = -TARGET_EFAULT; 3823 else 3824 ret = get_errno(readlink(path(p), p2, arg3)); 3825 unlock_user(p2, arg2, ret); 3826 unlock_user(p, arg1, 0); 3827 } 3828 break; 3829 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) 3830 case TARGET_NR_readlinkat: 3831 { 3832 void *p2; 3833 p = lock_user_string(arg2); 3834 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); 3835 if (!p || !p2) 3836 ret = -TARGET_EFAULT; 3837 else 3838 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); 3839 unlock_user(p2, arg3, ret); 3840 unlock_user(p, arg2, 0); 3841 } 3842 break; 3843 #endif 3844 #ifdef TARGET_NR_uselib 3845 case TARGET_NR_uselib: 3846 goto unimplemented; 3847 #endif 3848 #ifdef TARGET_NR_swapon 3849 case TARGET_NR_swapon: 3850 if (!(p = lock_user_string(arg1))) 3851 goto efault; 3852 ret = get_errno(swapon(p, arg2)); 3853 unlock_user(p, arg1, 0); 3854 break; 3855 #endif 3856 case TARGET_NR_reboot: 3857 goto unimplemented; 3858 #ifdef TARGET_NR_readdir 3859 case TARGET_NR_readdir: 3860 goto unimplemented; 3861 #endif 3862 #ifdef TARGET_NR_mmap 3863 case TARGET_NR_mmap: 3864 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) 3865 { 3866 abi_ulong *v; 3867 abi_ulong v1, v2, v3, v4, v5, v6; 3868 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) 3869 goto efault; 3870 v1 = tswapl(v[0]); 3871 v2 = tswapl(v[1]); 3872 v3 = tswapl(v[2]); 3873 v4 = tswapl(v[3]); 3874 v5 = tswapl(v[4]); 3875 v6 = tswapl(v[5]); 3876 unlock_user(v, arg1, 0); 3877 ret = get_errno(target_mmap(v1, v2, v3, 3878 target_to_host_bitmask(v4, mmap_flags_tbl), 3879 v5, v6)); 3880 } 3881 #else 3882 ret = get_errno(target_mmap(arg1, arg2, arg3, 3883 target_to_host_bitmask(arg4, mmap_flags_tbl), 3884 arg5, 3885 arg6)); 3886 #endif 3887 break; 3888 #endif 3889 #ifdef TARGET_NR_mmap2 3890 case TARGET_NR_mmap2: 3891 #if defined(TARGET_SPARC) || defined(TARGET_MIPS) 3892 #define MMAP_SHIFT 12 3893 #else 3894 #define MMAP_SHIFT TARGET_PAGE_BITS 3895 #endif 3896 ret = get_errno(target_mmap(arg1, arg2, arg3, 3897 target_to_host_bitmask(arg4, mmap_flags_tbl), 3898 arg5, 3899 arg6 << MMAP_SHIFT)); 3900 break; 3901 #endif 3902 case TARGET_NR_munmap: 3903 ret = get_errno(target_munmap(arg1, arg2)); 3904 break; 3905 case TARGET_NR_mprotect: 3906 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 3907 break; 3908 #ifdef TARGET_NR_mremap 3909 case TARGET_NR_mremap: 3910 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 3911 break; 3912 #endif 3913 /* ??? msync/mlock/munlock are broken for softmmu. */ 3914 #ifdef TARGET_NR_msync 3915 case TARGET_NR_msync: 3916 ret = get_errno(msync(g2h(arg1), arg2, arg3)); 3917 break; 3918 #endif 3919 #ifdef TARGET_NR_mlock 3920 case TARGET_NR_mlock: 3921 ret = get_errno(mlock(g2h(arg1), arg2)); 3922 break; 3923 #endif 3924 #ifdef TARGET_NR_munlock 3925 case TARGET_NR_munlock: 3926 ret = get_errno(munlock(g2h(arg1), arg2)); 3927 break; 3928 #endif 3929 #ifdef TARGET_NR_mlockall 3930 case TARGET_NR_mlockall: 3931 ret = get_errno(mlockall(arg1)); 3932 break; 3933 #endif 3934 #ifdef TARGET_NR_munlockall 3935 case TARGET_NR_munlockall: 3936 ret = get_errno(munlockall()); 3937 break; 3938 #endif 3939 case TARGET_NR_truncate: 3940 if (!(p = lock_user_string(arg1))) 3941 goto efault; 3942 ret = get_errno(truncate(p, arg2)); 3943 unlock_user(p, arg1, 0); 3944 break; 3945 case TARGET_NR_ftruncate: 3946 ret = get_errno(ftruncate(arg1, arg2)); 3947 break; 3948 case TARGET_NR_fchmod: 3949 ret = get_errno(fchmod(arg1, arg2)); 3950 break; 3951 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) 3952 case TARGET_NR_fchmodat: 3953 if (!(p = lock_user_string(arg2))) 3954 goto efault; 3955 ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4)); 3956 unlock_user(p, arg2, 0); 3957 break; 3958 #endif 3959 case TARGET_NR_getpriority: 3960 /* libc does special remapping of the return value of 3961 * sys_getpriority() so it's just easiest to call 3962 * sys_getpriority() directly rather than through libc. */ 3963 ret = sys_getpriority(arg1, arg2); 3964 break; 3965 case TARGET_NR_setpriority: 3966 ret = get_errno(setpriority(arg1, arg2, arg3)); 3967 break; 3968 #ifdef TARGET_NR_profil 3969 case TARGET_NR_profil: 3970 goto unimplemented; 3971 #endif 3972 case TARGET_NR_statfs: 3973 if (!(p = lock_user_string(arg1))) 3974 goto efault; 3975 ret = get_errno(statfs(path(p), &stfs)); 3976 unlock_user(p, arg1, 0); 3977 convert_statfs: 3978 if (!is_error(ret)) { 3979 struct target_statfs *target_stfs; 3980 3981 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) 3982 goto efault; 3983 __put_user(stfs.f_type, &target_stfs->f_type); 3984 __put_user(stfs.f_bsize, &target_stfs->f_bsize); 3985 __put_user(stfs.f_blocks, &target_stfs->f_blocks); 3986 __put_user(stfs.f_bfree, &target_stfs->f_bfree); 3987 __put_user(stfs.f_bavail, &target_stfs->f_bavail); 3988 __put_user(stfs.f_files, &target_stfs->f_files); 3989 __put_user(stfs.f_ffree, &target_stfs->f_ffree); 3990 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); 3991 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); 3992 __put_user(stfs.f_namelen, &target_stfs->f_namelen); 3993 unlock_user_struct(target_stfs, arg2, 1); 3994 } 3995 break; 3996 case TARGET_NR_fstatfs: 3997 ret = get_errno(fstatfs(arg1, &stfs)); 3998 goto convert_statfs; 3999 #ifdef TARGET_NR_statfs64 4000 case TARGET_NR_statfs64: 4001 if (!(p = lock_user_string(arg1))) 4002 goto efault; 4003 ret = get_errno(statfs(path(p), &stfs)); 4004 unlock_user(p, arg1, 0); 4005 convert_statfs64: 4006 if (!is_error(ret)) { 4007 struct target_statfs64 *target_stfs; 4008 4009 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) 4010 goto efault; 4011 __put_user(stfs.f_type, &target_stfs->f_type); 4012 __put_user(stfs.f_bsize, &target_stfs->f_bsize); 4013 __put_user(stfs.f_blocks, &target_stfs->f_blocks); 4014 __put_user(stfs.f_bfree, &target_stfs->f_bfree); 4015 __put_user(stfs.f_bavail, &target_stfs->f_bavail); 4016 __put_user(stfs.f_files, &target_stfs->f_files); 4017 __put_user(stfs.f_ffree, &target_stfs->f_ffree); 4018 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); 4019 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); 4020 __put_user(stfs.f_namelen, &target_stfs->f_namelen); 4021 unlock_user_struct(target_stfs, arg3, 1); 4022 } 4023 break; 4024 case TARGET_NR_fstatfs64: 4025 ret = get_errno(fstatfs(arg1, &stfs)); 4026 goto convert_statfs64; 4027 #endif 4028 #ifdef TARGET_NR_ioperm 4029 case TARGET_NR_ioperm: 4030 goto unimplemented; 4031 #endif 4032 #ifdef TARGET_NR_socketcall 4033 case TARGET_NR_socketcall: 4034 ret = do_socketcall(arg1, arg2); 4035 break; 4036 #endif 4037 #ifdef TARGET_NR_accept 4038 case TARGET_NR_accept: 4039 ret = do_accept(arg1, arg2, arg3); 4040 break; 4041 #endif 4042 #ifdef TARGET_NR_bind 4043 case TARGET_NR_bind: 4044 ret = do_bind(arg1, arg2, arg3); 4045 break; 4046 #endif 4047 #ifdef TARGET_NR_connect 4048 case TARGET_NR_connect: 4049 ret = do_connect(arg1, arg2, arg3); 4050 break; 4051 #endif 4052 #ifdef TARGET_NR_getpeername 4053 case TARGET_NR_getpeername: 4054 ret = do_getpeername(arg1, arg2, arg3); 4055 break; 4056 #endif 4057 #ifdef TARGET_NR_getsockname 4058 case TARGET_NR_getsockname: 4059 ret = do_getsockname(arg1, arg2, arg3); 4060 break; 4061 #endif 4062 #ifdef TARGET_NR_getsockopt 4063 case TARGET_NR_getsockopt: 4064 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); 4065 break; 4066 #endif 4067 #ifdef TARGET_NR_listen 4068 case TARGET_NR_listen: 4069 ret = get_errno(listen(arg1, arg2)); 4070 break; 4071 #endif 4072 #ifdef TARGET_NR_recv 4073 case TARGET_NR_recv: 4074 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); 4075 break; 4076 #endif 4077 #ifdef TARGET_NR_recvfrom 4078 case TARGET_NR_recvfrom: 4079 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); 4080 break; 4081 #endif 4082 #ifdef TARGET_NR_recvmsg 4083 case TARGET_NR_recvmsg: 4084 ret = do_sendrecvmsg(arg1, arg2, arg3, 0); 4085 break; 4086 #endif 4087 #ifdef TARGET_NR_send 4088 case TARGET_NR_send: 4089 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); 4090 break; 4091 #endif 4092 #ifdef TARGET_NR_sendmsg 4093 case TARGET_NR_sendmsg: 4094 ret = do_sendrecvmsg(arg1, arg2, arg3, 1); 4095 break; 4096 #endif 4097 #ifdef TARGET_NR_sendto 4098 case TARGET_NR_sendto: 4099 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); 4100 break; 4101 #endif 4102 #ifdef TARGET_NR_shutdown 4103 case TARGET_NR_shutdown: 4104 ret = get_errno(shutdown(arg1, arg2)); 4105 break; 4106 #endif 4107 #ifdef TARGET_NR_socket 4108 case TARGET_NR_socket: 4109 ret = do_socket(arg1, arg2, arg3); 4110 break; 4111 #endif 4112 #ifdef TARGET_NR_socketpair 4113 case TARGET_NR_socketpair: 4114 ret = do_socketpair(arg1, arg2, arg3, arg4); 4115 break; 4116 #endif 4117 #ifdef TARGET_NR_setsockopt 4118 case TARGET_NR_setsockopt: 4119 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); 4120 break; 4121 #endif 4122 4123 case TARGET_NR_syslog: 4124 if (!(p = lock_user_string(arg2))) 4125 goto efault; 4126 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); 4127 unlock_user(p, arg2, 0); 4128 break; 4129 4130 case TARGET_NR_setitimer: 4131 { 4132 struct itimerval value, ovalue, *pvalue; 4133 4134 if (arg2) { 4135 pvalue = &value; 4136 target_to_host_timeval(&pvalue->it_interval, 4137 arg2); 4138 target_to_host_timeval(&pvalue->it_value, 4139 arg2 + sizeof(struct target_timeval)); 4140 } else { 4141 pvalue = NULL; 4142 } 4143 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 4144 if (!is_error(ret) && arg3) { 4145 host_to_target_timeval(arg3, 4146 &ovalue.it_interval); 4147 host_to_target_timeval(arg3 + sizeof(struct target_timeval), 4148 &ovalue.it_value); 4149 } 4150 } 4151 break; 4152 case TARGET_NR_getitimer: 4153 { 4154 struct itimerval value; 4155 4156 ret = get_errno(getitimer(arg1, &value)); 4157 if (!is_error(ret) && arg2) { 4158 host_to_target_timeval(arg2, 4159 &value.it_interval); 4160 host_to_target_timeval(arg2 + sizeof(struct target_timeval), 4161 &value.it_value); 4162 } 4163 } 4164 break; 4165 case TARGET_NR_stat: 4166 if (!(p = lock_user_string(arg1))) 4167 goto efault; 4168 ret = get_errno(stat(path(p), &st)); 4169 unlock_user(p, arg1, 0); 4170 goto do_stat; 4171 case TARGET_NR_lstat: 4172 if (!(p = lock_user_string(arg1))) 4173 goto efault; 4174 ret = get_errno(lstat(path(p), &st)); 4175 unlock_user(p, arg1, 0); 4176 goto do_stat; 4177 case TARGET_NR_fstat: 4178 { 4179 ret = get_errno(fstat(arg1, &st)); 4180 do_stat: 4181 if (!is_error(ret)) { 4182 struct target_stat *target_st; 4183 4184 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) 4185 goto efault; 4186 #if defined(TARGET_MIPS) || (defined(TARGET_SPARC64) && !defined(TARGET_ABI32)) 4187 target_st->st_dev = tswap32(st.st_dev); 4188 #else 4189 target_st->st_dev = tswap16(st.st_dev); 4190 #endif 4191 target_st->st_ino = tswapl(st.st_ino); 4192 #if defined(TARGET_PPC) || defined(TARGET_MIPS) 4193 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ 4194 target_st->st_uid = tswap32(st.st_uid); 4195 target_st->st_gid = tswap32(st.st_gid); 4196 #elif defined(TARGET_SPARC64) && !defined(TARGET_ABI32) 4197 target_st->st_mode = tswap32(st.st_mode); 4198 target_st->st_uid = tswap32(st.st_uid); 4199 target_st->st_gid = tswap32(st.st_gid); 4200 #else 4201 target_st->st_mode = tswap16(st.st_mode); 4202 target_st->st_uid = tswap16(st.st_uid); 4203 target_st->st_gid = tswap16(st.st_gid); 4204 #endif 4205 #if defined(TARGET_MIPS) 4206 /* If this is the same on PPC, then just merge w/ the above ifdef */ 4207 target_st->st_nlink = tswapl(st.st_nlink); 4208 target_st->st_rdev = tswapl(st.st_rdev); 4209 #elif defined(TARGET_SPARC64) && !defined(TARGET_ABI32) 4210 target_st->st_nlink = tswap32(st.st_nlink); 4211 target_st->st_rdev = tswap32(st.st_rdev); 4212 #else 4213 target_st->st_nlink = tswap16(st.st_nlink); 4214 target_st->st_rdev = tswap16(st.st_rdev); 4215 #endif 4216 target_st->st_size = tswapl(st.st_size); 4217 target_st->st_blksize = tswapl(st.st_blksize); 4218 target_st->st_blocks = tswapl(st.st_blocks); 4219 target_st->target_st_atime = tswapl(st.st_atime); 4220 target_st->target_st_mtime = tswapl(st.st_mtime); 4221 target_st->target_st_ctime = tswapl(st.st_ctime); 4222 unlock_user_struct(target_st, arg2, 1); 4223 } 4224 } 4225 break; 4226 #ifdef TARGET_NR_olduname 4227 case TARGET_NR_olduname: 4228 goto unimplemented; 4229 #endif 4230 #ifdef TARGET_NR_iopl 4231 case TARGET_NR_iopl: 4232 goto unimplemented; 4233 #endif 4234 case TARGET_NR_vhangup: 4235 ret = get_errno(vhangup()); 4236 break; 4237 #ifdef TARGET_NR_idle 4238 case TARGET_NR_idle: 4239 goto unimplemented; 4240 #endif 4241 #ifdef TARGET_NR_syscall 4242 case TARGET_NR_syscall: 4243 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 4244 break; 4245 #endif 4246 case TARGET_NR_wait4: 4247 { 4248 int status; 4249 abi_long status_ptr = arg2; 4250 struct rusage rusage, *rusage_ptr; 4251 abi_ulong target_rusage = arg4; 4252 if (target_rusage) 4253 rusage_ptr = &rusage; 4254 else 4255 rusage_ptr = NULL; 4256 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 4257 if (!is_error(ret)) { 4258 if (status_ptr) 4259 tputl(status_ptr, status); 4260 if (target_rusage) { 4261 host_to_target_rusage(target_rusage, &rusage); 4262 } 4263 } 4264 } 4265 break; 4266 #ifdef TARGET_NR_swapoff 4267 case TARGET_NR_swapoff: 4268 if (!(p = lock_user_string(arg1))) 4269 goto efault; 4270 ret = get_errno(swapoff(p)); 4271 unlock_user(p, arg1, 0); 4272 break; 4273 #endif 4274 case TARGET_NR_sysinfo: 4275 { 4276 struct target_sysinfo *target_value; 4277 struct sysinfo value; 4278 ret = get_errno(sysinfo(&value)); 4279 if (!is_error(ret) && arg1) 4280 { 4281 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) 4282 goto efault; 4283 __put_user(value.uptime, &target_value->uptime); 4284 __put_user(value.loads[0], &target_value->loads[0]); 4285 __put_user(value.loads[1], &target_value->loads[1]); 4286 __put_user(value.loads[2], &target_value->loads[2]); 4287 __put_user(value.totalram, &target_value->totalram); 4288 __put_user(value.freeram, &target_value->freeram); 4289 __put_user(value.sharedram, &target_value->sharedram); 4290 __put_user(value.bufferram, &target_value->bufferram); 4291 __put_user(value.totalswap, &target_value->totalswap); 4292 __put_user(value.freeswap, &target_value->freeswap); 4293 __put_user(value.procs, &target_value->procs); 4294 __put_user(value.totalhigh, &target_value->totalhigh); 4295 __put_user(value.freehigh, &target_value->freehigh); 4296 __put_user(value.mem_unit, &target_value->mem_unit); 4297 unlock_user_struct(target_value, arg1, 1); 4298 } 4299 } 4300 break; 4301 #ifdef TARGET_NR_ipc 4302 case TARGET_NR_ipc: 4303 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 4304 break; 4305 #endif 4306 case TARGET_NR_fsync: 4307 ret = get_errno(fsync(arg1)); 4308 break; 4309 case TARGET_NR_clone: 4310 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 4311 break; 4312 #ifdef __NR_exit_group 4313 /* new thread calls */ 4314 case TARGET_NR_exit_group: 4315 gdb_exit(cpu_env, arg1); 4316 ret = get_errno(exit_group(arg1)); 4317 break; 4318 #endif 4319 case TARGET_NR_setdomainname: 4320 if (!(p = lock_user_string(arg1))) 4321 goto efault; 4322 ret = get_errno(setdomainname(p, arg2)); 4323 unlock_user(p, arg1, 0); 4324 break; 4325 case TARGET_NR_uname: 4326 /* no need to transcode because we use the linux syscall */ 4327 { 4328 struct new_utsname * buf; 4329 4330 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) 4331 goto efault; 4332 ret = get_errno(sys_uname(buf)); 4333 if (!is_error(ret)) { 4334 /* Overrite the native machine name with whatever is being 4335 emulated. */ 4336 strcpy (buf->machine, UNAME_MACHINE); 4337 /* Allow the user to override the reported release. */ 4338 if (qemu_uname_release && *qemu_uname_release) 4339 strcpy (buf->release, qemu_uname_release); 4340 } 4341 unlock_user_struct(buf, arg1, 1); 4342 } 4343 break; 4344 #ifdef TARGET_I386 4345 case TARGET_NR_modify_ldt: 4346 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); 4347 break; 4348 #if !defined(TARGET_X86_64) 4349 case TARGET_NR_vm86old: 4350 goto unimplemented; 4351 case TARGET_NR_vm86: 4352 ret = do_vm86(cpu_env, arg1, arg2); 4353 break; 4354 #endif 4355 #endif 4356 case TARGET_NR_adjtimex: 4357 goto unimplemented; 4358 #ifdef TARGET_NR_create_module 4359 case TARGET_NR_create_module: 4360 #endif 4361 case TARGET_NR_init_module: 4362 case TARGET_NR_delete_module: 4363 #ifdef TARGET_NR_get_kernel_syms 4364 case TARGET_NR_get_kernel_syms: 4365 #endif 4366 goto unimplemented; 4367 case TARGET_NR_quotactl: 4368 goto unimplemented; 4369 case TARGET_NR_getpgid: 4370 ret = get_errno(getpgid(arg1)); 4371 break; 4372 case TARGET_NR_fchdir: 4373 ret = get_errno(fchdir(arg1)); 4374 break; 4375 #ifdef TARGET_NR_bdflush /* not on x86_64 */ 4376 case TARGET_NR_bdflush: 4377 goto unimplemented; 4378 #endif 4379 #ifdef TARGET_NR_sysfs 4380 case TARGET_NR_sysfs: 4381 goto unimplemented; 4382 #endif 4383 case TARGET_NR_personality: 4384 ret = get_errno(personality(arg1)); 4385 break; 4386 #ifdef TARGET_NR_afs_syscall 4387 case TARGET_NR_afs_syscall: 4388 goto unimplemented; 4389 #endif 4390 #ifdef TARGET_NR__llseek /* Not on alpha */ 4391 case TARGET_NR__llseek: 4392 { 4393 #if defined (__x86_64__) 4394 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 4395 tput64(arg4, ret); 4396 #else 4397 int64_t res; 4398 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 4399 tput64(arg4, res); 4400 #endif 4401 } 4402 break; 4403 #endif 4404 case TARGET_NR_getdents: 4405 #if TARGET_ABI_BITS != 32 4406 goto unimplemented; 4407 #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 4408 { 4409 struct target_dirent *target_dirp; 4410 struct dirent *dirp; 4411 abi_long count = arg3; 4412 4413 dirp = malloc(count); 4414 if (!dirp) { 4415 ret = -TARGET_ENOMEM; 4416 goto fail; 4417 } 4418 4419 ret = get_errno(sys_getdents(arg1, dirp, count)); 4420 if (!is_error(ret)) { 4421 struct dirent *de; 4422 struct target_dirent *tde; 4423 int len = ret; 4424 int reclen, treclen; 4425 int count1, tnamelen; 4426 4427 count1 = 0; 4428 de = dirp; 4429 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) 4430 goto efault; 4431 tde = target_dirp; 4432 while (len > 0) { 4433 reclen = de->d_reclen; 4434 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long))); 4435 tde->d_reclen = tswap16(treclen); 4436 tde->d_ino = tswapl(de->d_ino); 4437 tde->d_off = tswapl(de->d_off); 4438 tnamelen = treclen - (2 * sizeof(abi_long) + 2); 4439 if (tnamelen > 256) 4440 tnamelen = 256; 4441 /* XXX: may not be correct */ 4442 strncpy(tde->d_name, de->d_name, tnamelen); 4443 de = (struct dirent *)((char *)de + reclen); 4444 len -= reclen; 4445 tde = (struct target_dirent *)((char *)tde + treclen); 4446 count1 += treclen; 4447 } 4448 ret = count1; 4449 unlock_user(target_dirp, arg2, ret); 4450 } 4451 free(dirp); 4452 } 4453 #else 4454 { 4455 struct dirent *dirp; 4456 abi_long count = arg3; 4457 4458 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) 4459 goto efault; 4460 ret = get_errno(sys_getdents(arg1, dirp, count)); 4461 if (!is_error(ret)) { 4462 struct dirent *de; 4463 int len = ret; 4464 int reclen; 4465 de = dirp; 4466 while (len > 0) { 4467 reclen = de->d_reclen; 4468 if (reclen > len) 4469 break; 4470 de->d_reclen = tswap16(reclen); 4471 tswapls(&de->d_ino); 4472 tswapls(&de->d_off); 4473 de = (struct dirent *)((char *)de + reclen); 4474 len -= reclen; 4475 } 4476 } 4477 unlock_user(dirp, arg2, ret); 4478 } 4479 #endif 4480 break; 4481 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) 4482 case TARGET_NR_getdents64: 4483 { 4484 struct dirent64 *dirp; 4485 abi_long count = arg3; 4486 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) 4487 goto efault; 4488 ret = get_errno(sys_getdents64(arg1, dirp, count)); 4489 if (!is_error(ret)) { 4490 struct dirent64 *de; 4491 int len = ret; 4492 int reclen; 4493 de = dirp; 4494 while (len > 0) { 4495 reclen = de->d_reclen; 4496 if (reclen > len) 4497 break; 4498 de->d_reclen = tswap16(reclen); 4499 tswap64s((uint64_t *)&de->d_ino); 4500 tswap64s((uint64_t *)&de->d_off); 4501 de = (struct dirent64 *)((char *)de + reclen); 4502 len -= reclen; 4503 } 4504 } 4505 unlock_user(dirp, arg2, ret); 4506 } 4507 break; 4508 #endif /* TARGET_NR_getdents64 */ 4509 #ifdef TARGET_NR__newselect 4510 case TARGET_NR__newselect: 4511 ret = do_select(arg1, arg2, arg3, arg4, arg5); 4512 break; 4513 #endif 4514 #ifdef TARGET_NR_poll 4515 case TARGET_NR_poll: 4516 { 4517 struct target_pollfd *target_pfd; 4518 unsigned int nfds = arg2; 4519 int timeout = arg3; 4520 struct pollfd *pfd; 4521 unsigned int i; 4522 4523 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); 4524 if (!target_pfd) 4525 goto efault; 4526 pfd = alloca(sizeof(struct pollfd) * nfds); 4527 for(i = 0; i < nfds; i++) { 4528 pfd[i].fd = tswap32(target_pfd[i].fd); 4529 pfd[i].events = tswap16(target_pfd[i].events); 4530 } 4531 ret = get_errno(poll(pfd, nfds, timeout)); 4532 if (!is_error(ret)) { 4533 for(i = 0; i < nfds; i++) { 4534 target_pfd[i].revents = tswap16(pfd[i].revents); 4535 } 4536 ret += nfds * (sizeof(struct target_pollfd) 4537 - sizeof(struct pollfd)); 4538 } 4539 unlock_user(target_pfd, arg1, ret); 4540 } 4541 break; 4542 #endif 4543 case TARGET_NR_flock: 4544 /* NOTE: the flock constant seems to be the same for every 4545 Linux platform */ 4546 ret = get_errno(flock(arg1, arg2)); 4547 break; 4548 case TARGET_NR_readv: 4549 { 4550 int count = arg3; 4551 struct iovec *vec; 4552 4553 vec = alloca(count * sizeof(struct iovec)); 4554 lock_iovec(VERIFY_WRITE, vec, arg2, count, 0); 4555 ret = get_errno(readv(arg1, vec, count)); 4556 unlock_iovec(vec, arg2, count, 1); 4557 } 4558 break; 4559 case TARGET_NR_writev: 4560 { 4561 int count = arg3; 4562 struct iovec *vec; 4563 4564 vec = alloca(count * sizeof(struct iovec)); 4565 lock_iovec(VERIFY_READ, vec, arg2, count, 1); 4566 ret = get_errno(writev(arg1, vec, count)); 4567 unlock_iovec(vec, arg2, count, 0); 4568 } 4569 break; 4570 case TARGET_NR_getsid: 4571 ret = get_errno(getsid(arg1)); 4572 break; 4573 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ 4574 case TARGET_NR_fdatasync: 4575 ret = get_errno(fdatasync(arg1)); 4576 break; 4577 #endif 4578 case TARGET_NR__sysctl: 4579 /* We don't implement this, but ENOTDIR is always a safe 4580 return value. */ 4581 ret = -TARGET_ENOTDIR; 4582 break; 4583 case TARGET_NR_sched_setparam: 4584 { 4585 struct sched_param *target_schp; 4586 struct sched_param schp; 4587 4588 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) 4589 goto efault; 4590 schp.sched_priority = tswap32(target_schp->sched_priority); 4591 unlock_user_struct(target_schp, arg2, 0); 4592 ret = get_errno(sched_setparam(arg1, &schp)); 4593 } 4594 break; 4595 case TARGET_NR_sched_getparam: 4596 { 4597 struct sched_param *target_schp; 4598 struct sched_param schp; 4599 ret = get_errno(sched_getparam(arg1, &schp)); 4600 if (!is_error(ret)) { 4601 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) 4602 goto efault; 4603 target_schp->sched_priority = tswap32(schp.sched_priority); 4604 unlock_user_struct(target_schp, arg2, 1); 4605 } 4606 } 4607 break; 4608 case TARGET_NR_sched_setscheduler: 4609 { 4610 struct sched_param *target_schp; 4611 struct sched_param schp; 4612 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) 4613 goto efault; 4614 schp.sched_priority = tswap32(target_schp->sched_priority); 4615 unlock_user_struct(target_schp, arg3, 0); 4616 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 4617 } 4618 break; 4619 case TARGET_NR_sched_getscheduler: 4620 ret = get_errno(sched_getscheduler(arg1)); 4621 break; 4622 case TARGET_NR_sched_yield: 4623 ret = get_errno(sched_yield()); 4624 break; 4625 case TARGET_NR_sched_get_priority_max: 4626 ret = get_errno(sched_get_priority_max(arg1)); 4627 break; 4628 case TARGET_NR_sched_get_priority_min: 4629 ret = get_errno(sched_get_priority_min(arg1)); 4630 break; 4631 case TARGET_NR_sched_rr_get_interval: 4632 { 4633 struct timespec ts; 4634 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 4635 if (!is_error(ret)) { 4636 host_to_target_timespec(arg2, &ts); 4637 } 4638 } 4639 break; 4640 case TARGET_NR_nanosleep: 4641 { 4642 struct timespec req, rem; 4643 target_to_host_timespec(&req, arg1); 4644 ret = get_errno(nanosleep(&req, &rem)); 4645 if (is_error(ret) && arg2) { 4646 host_to_target_timespec(arg2, &rem); 4647 } 4648 } 4649 break; 4650 #ifdef TARGET_NR_query_module 4651 case TARGET_NR_query_module: 4652 goto unimplemented; 4653 #endif 4654 #ifdef TARGET_NR_nfsservctl 4655 case TARGET_NR_nfsservctl: 4656 goto unimplemented; 4657 #endif 4658 case TARGET_NR_prctl: 4659 switch (arg1) 4660 { 4661 case PR_GET_PDEATHSIG: 4662 { 4663 int deathsig; 4664 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); 4665 if (!is_error(ret) && arg2) 4666 tput32(arg2, deathsig); 4667 } 4668 break; 4669 default: 4670 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); 4671 break; 4672 } 4673 break; 4674 #ifdef TARGET_NR_pread 4675 case TARGET_NR_pread: 4676 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) 4677 goto efault; 4678 ret = get_errno(pread(arg1, p, arg3, arg4)); 4679 unlock_user(p, arg2, ret); 4680 break; 4681 case TARGET_NR_pwrite: 4682 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) 4683 goto efault; 4684 ret = get_errno(pwrite(arg1, p, arg3, arg4)); 4685 unlock_user(p, arg2, 0); 4686 break; 4687 #endif 4688 case TARGET_NR_getcwd: 4689 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) 4690 goto efault; 4691 ret = get_errno(sys_getcwd1(p, arg2)); 4692 unlock_user(p, arg1, ret); 4693 break; 4694 case TARGET_NR_capget: 4695 goto unimplemented; 4696 case TARGET_NR_capset: 4697 goto unimplemented; 4698 case TARGET_NR_sigaltstack: 4699 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \ 4700 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) 4701 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env)); 4702 break; 4703 #else 4704 goto unimplemented; 4705 #endif 4706 case TARGET_NR_sendfile: 4707 goto unimplemented; 4708 #ifdef TARGET_NR_getpmsg 4709 case TARGET_NR_getpmsg: 4710 goto unimplemented; 4711 #endif 4712 #ifdef TARGET_NR_putpmsg 4713 case TARGET_NR_putpmsg: 4714 goto unimplemented; 4715 #endif 4716 #ifdef TARGET_NR_vfork 4717 case TARGET_NR_vfork: 4718 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 4719 break; 4720 #endif 4721 #ifdef TARGET_NR_ugetrlimit 4722 case TARGET_NR_ugetrlimit: 4723 { 4724 struct rlimit rlim; 4725 ret = get_errno(getrlimit(arg1, &rlim)); 4726 if (!is_error(ret)) { 4727 struct target_rlimit *target_rlim; 4728 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) 4729 goto efault; 4730 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 4731 target_rlim->rlim_max = tswapl(rlim.rlim_max); 4732 unlock_user_struct(target_rlim, arg2, 1); 4733 } 4734 break; 4735 } 4736 #endif 4737 #ifdef TARGET_NR_truncate64 4738 case TARGET_NR_truncate64: 4739 if (!(p = lock_user_string(arg1))) 4740 goto efault; 4741 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); 4742 unlock_user(p, arg1, 0); 4743 break; 4744 #endif 4745 #ifdef TARGET_NR_ftruncate64 4746 case TARGET_NR_ftruncate64: 4747 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); 4748 break; 4749 #endif 4750 #ifdef TARGET_NR_stat64 4751 case TARGET_NR_stat64: 4752 if (!(p = lock_user_string(arg1))) 4753 goto efault; 4754 ret = get_errno(stat(path(p), &st)); 4755 unlock_user(p, arg1, 0); 4756 goto do_stat64; 4757 #endif 4758 #ifdef TARGET_NR_lstat64 4759 case TARGET_NR_lstat64: 4760 if (!(p = lock_user_string(arg1))) 4761 goto efault; 4762 ret = get_errno(lstat(path(p), &st)); 4763 unlock_user(p, arg1, 0); 4764 goto do_stat64; 4765 #endif 4766 #ifdef TARGET_NR_fstat64 4767 case TARGET_NR_fstat64: 4768 { 4769 ret = get_errno(fstat(arg1, &st)); 4770 do_stat64: 4771 if (!is_error(ret)) { 4772 #ifdef TARGET_ARM 4773 if (((CPUARMState *)cpu_env)->eabi) { 4774 struct target_eabi_stat64 *target_st; 4775 4776 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) 4777 goto efault; 4778 memset(target_st, 0, sizeof(struct target_eabi_stat64)); 4779 __put_user(st.st_dev, &target_st->st_dev); 4780 __put_user(st.st_ino, &target_st->st_ino); 4781 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4782 __put_user(st.st_ino, &target_st->__st_ino); 4783 #endif 4784 __put_user(st.st_mode, &target_st->st_mode); 4785 __put_user(st.st_nlink, &target_st->st_nlink); 4786 __put_user(st.st_uid, &target_st->st_uid); 4787 __put_user(st.st_gid, &target_st->st_gid); 4788 __put_user(st.st_rdev, &target_st->st_rdev); 4789 __put_user(st.st_size, &target_st->st_size); 4790 __put_user(st.st_blksize, &target_st->st_blksize); 4791 __put_user(st.st_blocks, &target_st->st_blocks); 4792 __put_user(st.st_atime, &target_st->target_st_atime); 4793 __put_user(st.st_mtime, &target_st->target_st_mtime); 4794 __put_user(st.st_ctime, &target_st->target_st_ctime); 4795 unlock_user_struct(target_st, arg2, 1); 4796 } else 4797 #endif 4798 { 4799 struct target_stat64 *target_st; 4800 4801 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) 4802 goto efault; 4803 memset(target_st, 0, sizeof(struct target_stat64)); 4804 __put_user(st.st_dev, &target_st->st_dev); 4805 __put_user(st.st_ino, &target_st->st_ino); 4806 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4807 __put_user(st.st_ino, &target_st->__st_ino); 4808 #endif 4809 __put_user(st.st_mode, &target_st->st_mode); 4810 __put_user(st.st_nlink, &target_st->st_nlink); 4811 __put_user(st.st_uid, &target_st->st_uid); 4812 __put_user(st.st_gid, &target_st->st_gid); 4813 __put_user(st.st_rdev, &target_st->st_rdev); 4814 /* XXX: better use of kernel struct */ 4815 __put_user(st.st_size, &target_st->st_size); 4816 __put_user(st.st_blksize, &target_st->st_blksize); 4817 __put_user(st.st_blocks, &target_st->st_blocks); 4818 __put_user(st.st_atime, &target_st->target_st_atime); 4819 __put_user(st.st_mtime, &target_st->target_st_mtime); 4820 __put_user(st.st_ctime, &target_st->target_st_ctime); 4821 unlock_user_struct(target_st, arg2, 1); 4822 } 4823 } 4824 } 4825 break; 4826 #endif 4827 #ifdef USE_UID16 4828 case TARGET_NR_lchown: 4829 if (!(p = lock_user_string(arg1))) 4830 goto efault; 4831 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); 4832 unlock_user(p, arg1, 0); 4833 break; 4834 case TARGET_NR_getuid: 4835 ret = get_errno(high2lowuid(getuid())); 4836 break; 4837 case TARGET_NR_getgid: 4838 ret = get_errno(high2lowgid(getgid())); 4839 break; 4840 case TARGET_NR_geteuid: 4841 ret = get_errno(high2lowuid(geteuid())); 4842 break; 4843 case TARGET_NR_getegid: 4844 ret = get_errno(high2lowgid(getegid())); 4845 break; 4846 case TARGET_NR_setreuid: 4847 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 4848 break; 4849 case TARGET_NR_setregid: 4850 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 4851 break; 4852 case TARGET_NR_getgroups: 4853 { 4854 int gidsetsize = arg1; 4855 uint16_t *target_grouplist; 4856 gid_t *grouplist; 4857 int i; 4858 4859 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4860 ret = get_errno(getgroups(gidsetsize, grouplist)); 4861 if (!is_error(ret)) { 4862 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0); 4863 if (!target_grouplist) 4864 goto efault; 4865 for(i = 0;i < gidsetsize; i++) 4866 target_grouplist[i] = tswap16(grouplist[i]); 4867 unlock_user(target_grouplist, arg2, gidsetsize * 2); 4868 } 4869 } 4870 break; 4871 case TARGET_NR_setgroups: 4872 { 4873 int gidsetsize = arg1; 4874 uint16_t *target_grouplist; 4875 gid_t *grouplist; 4876 int i; 4877 4878 grouplist = alloca(gidsetsize * sizeof(gid_t)); 4879 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1); 4880 if (!target_grouplist) { 4881 ret = -TARGET_EFAULT; 4882 goto fail; 4883 } 4884 for(i = 0;i < gidsetsize; i++) 4885 grouplist[i] = tswap16(target_grouplist[i]); 4886 unlock_user(target_grouplist, arg2, 0); 4887 ret = get_errno(setgroups(gidsetsize, grouplist)); 4888 } 4889 break; 4890 case TARGET_NR_fchown: 4891 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 4892 break; 4893 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) 4894 case TARGET_NR_fchownat: 4895 if (!(p = lock_user_string(arg2))) 4896 goto efault; 4897 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); 4898 unlock_user(p, arg2, 0); 4899 break; 4900 #endif 4901 #ifdef TARGET_NR_setresuid 4902 case TARGET_NR_setresuid: 4903 ret = get_errno(setresuid(low2highuid(arg1), 4904 low2highuid(arg2), 4905 low2highuid(arg3))); 4906 break; 4907 #endif 4908 #ifdef TARGET_NR_getresuid 4909 case TARGET_NR_getresuid: 4910 { 4911 uid_t ruid, euid, suid; 4912 ret = get_errno(getresuid(&ruid, &euid, &suid)); 4913 if (!is_error(ret)) { 4914 tput16(arg1, tswap16(high2lowuid(ruid))); 4915 tput16(arg2, tswap16(high2lowuid(euid))); 4916 tput16(arg3, tswap16(high2lowuid(suid))); 4917 } 4918 } 4919 break; 4920 #endif 4921 #ifdef TARGET_NR_getresgid 4922 case TARGET_NR_setresgid: 4923 ret = get_errno(setresgid(low2highgid(arg1), 4924 low2highgid(arg2), 4925 low2highgid(arg3))); 4926 break; 4927 #endif 4928 #ifdef TARGET_NR_getresgid 4929 case TARGET_NR_getresgid: 4930 { 4931 gid_t rgid, egid, sgid; 4932 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 4933 if (!is_error(ret)) { 4934 tput16(arg1, tswap16(high2lowgid(rgid))); 4935 tput16(arg2, tswap16(high2lowgid(egid))); 4936 tput16(arg3, tswap16(high2lowgid(sgid))); 4937 } 4938 } 4939 break; 4940 #endif 4941 case TARGET_NR_chown: 4942 if (!(p = lock_user_string(arg1))) 4943 goto efault; 4944 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); 4945 unlock_user(p, arg1, 0); 4946 break; 4947 case TARGET_NR_setuid: 4948 ret = get_errno(setuid(low2highuid(arg1))); 4949 break; 4950 case TARGET_NR_setgid: 4951 ret = get_errno(setgid(low2highgid(arg1))); 4952 break; 4953 case TARGET_NR_setfsuid: 4954 ret = get_errno(setfsuid(arg1)); 4955 break; 4956 case TARGET_NR_setfsgid: 4957 ret = get_errno(setfsgid(arg1)); 4958 break; 4959 #endif /* USE_UID16 */ 4960 4961 #ifdef TARGET_NR_lchown32 4962 case TARGET_NR_lchown32: 4963 if (!(p = lock_user_string(arg1))) 4964 goto efault; 4965 ret = get_errno(lchown(p, arg2, arg3)); 4966 unlock_user(p, arg1, 0); 4967 break; 4968 #endif 4969 #ifdef TARGET_NR_getuid32 4970 case TARGET_NR_getuid32: 4971 ret = get_errno(getuid()); 4972 break; 4973 #endif 4974 #ifdef TARGET_NR_getgid32 4975 case TARGET_NR_getgid32: 4976 ret = get_errno(getgid()); 4977 break; 4978 #endif 4979 #ifdef TARGET_NR_geteuid32 4980 case TARGET_NR_geteuid32: 4981 ret = get_errno(geteuid()); 4982 break; 4983 #endif 4984 #ifdef TARGET_NR_getegid32 4985 case TARGET_NR_getegid32: 4986 ret = get_errno(getegid()); 4987 break; 4988 #endif 4989 #ifdef TARGET_NR_setreuid32 4990 case TARGET_NR_setreuid32: 4991 ret = get_errno(setreuid(arg1, arg2)); 4992 break; 4993 #endif 4994 #ifdef TARGET_NR_setregid32 4995 case TARGET_NR_setregid32: 4996 ret = get_errno(setregid(arg1, arg2)); 4997 break; 4998 #endif 4999 #ifdef TARGET_NR_getgroups32 5000 case TARGET_NR_getgroups32: 5001 { 5002 int gidsetsize = arg1; 5003 uint32_t *target_grouplist; 5004 gid_t *grouplist; 5005 int i; 5006 5007 grouplist = alloca(gidsetsize * sizeof(gid_t)); 5008 ret = get_errno(getgroups(gidsetsize, grouplist)); 5009 if (!is_error(ret)) { 5010 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); 5011 if (!target_grouplist) { 5012 ret = -TARGET_EFAULT; 5013 goto fail; 5014 } 5015 for(i = 0;i < gidsetsize; i++) 5016 target_grouplist[i] = tswap32(grouplist[i]); 5017 unlock_user(target_grouplist, arg2, gidsetsize * 4); 5018 } 5019 } 5020 break; 5021 #endif 5022 #ifdef TARGET_NR_setgroups32 5023 case TARGET_NR_setgroups32: 5024 { 5025 int gidsetsize = arg1; 5026 uint32_t *target_grouplist; 5027 gid_t *grouplist; 5028 int i; 5029 5030 grouplist = alloca(gidsetsize * sizeof(gid_t)); 5031 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); 5032 if (!target_grouplist) { 5033 ret = -TARGET_EFAULT; 5034 goto fail; 5035 } 5036 for(i = 0;i < gidsetsize; i++) 5037 grouplist[i] = tswap32(target_grouplist[i]); 5038 unlock_user(target_grouplist, arg2, 0); 5039 ret = get_errno(setgroups(gidsetsize, grouplist)); 5040 } 5041 break; 5042 #endif 5043 #ifdef TARGET_NR_fchown32 5044 case TARGET_NR_fchown32: 5045 ret = get_errno(fchown(arg1, arg2, arg3)); 5046 break; 5047 #endif 5048 #ifdef TARGET_NR_setresuid32 5049 case TARGET_NR_setresuid32: 5050 ret = get_errno(setresuid(arg1, arg2, arg3)); 5051 break; 5052 #endif 5053 #ifdef TARGET_NR_getresuid32 5054 case TARGET_NR_getresuid32: 5055 { 5056 uid_t ruid, euid, suid; 5057 ret = get_errno(getresuid(&ruid, &euid, &suid)); 5058 if (!is_error(ret)) { 5059 tput32(arg1, tswap32(ruid)); 5060 tput32(arg2, tswap32(euid)); 5061 tput32(arg3, tswap32(suid)); 5062 } 5063 } 5064 break; 5065 #endif 5066 #ifdef TARGET_NR_setresgid32 5067 case TARGET_NR_setresgid32: 5068 ret = get_errno(setresgid(arg1, arg2, arg3)); 5069 break; 5070 #endif 5071 #ifdef TARGET_NR_getresgid32 5072 case TARGET_NR_getresgid32: 5073 { 5074 gid_t rgid, egid, sgid; 5075 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 5076 if (!is_error(ret)) { 5077 tput32(arg1, tswap32(rgid)); 5078 tput32(arg2, tswap32(egid)); 5079 tput32(arg3, tswap32(sgid)); 5080 } 5081 } 5082 break; 5083 #endif 5084 #ifdef TARGET_NR_chown32 5085 case TARGET_NR_chown32: 5086 if (!(p = lock_user_string(arg1))) 5087 goto efault; 5088 ret = get_errno(chown(p, arg2, arg3)); 5089 unlock_user(p, arg1, 0); 5090 break; 5091 #endif 5092 #ifdef TARGET_NR_setuid32 5093 case TARGET_NR_setuid32: 5094 ret = get_errno(setuid(arg1)); 5095 break; 5096 #endif 5097 #ifdef TARGET_NR_setgid32 5098 case TARGET_NR_setgid32: 5099 ret = get_errno(setgid(arg1)); 5100 break; 5101 #endif 5102 #ifdef TARGET_NR_setfsuid32 5103 case TARGET_NR_setfsuid32: 5104 ret = get_errno(setfsuid(arg1)); 5105 break; 5106 #endif 5107 #ifdef TARGET_NR_setfsgid32 5108 case TARGET_NR_setfsgid32: 5109 ret = get_errno(setfsgid(arg1)); 5110 break; 5111 #endif 5112 5113 case TARGET_NR_pivot_root: 5114 goto unimplemented; 5115 #ifdef TARGET_NR_mincore 5116 case TARGET_NR_mincore: 5117 goto unimplemented; 5118 #endif 5119 #ifdef TARGET_NR_madvise 5120 case TARGET_NR_madvise: 5121 /* A straight passthrough may not be safe because qemu sometimes 5122 turns private flie-backed mappings into anonymous mappings. 5123 This will break MADV_DONTNEED. 5124 This is a hint, so ignoring and returning success is ok. */ 5125 ret = get_errno(0); 5126 break; 5127 #endif 5128 #if TARGET_ABI_BITS == 32 5129 case TARGET_NR_fcntl64: 5130 { 5131 int cmd; 5132 struct flock64 fl; 5133 struct target_flock64 *target_fl; 5134 #ifdef TARGET_ARM 5135 struct target_eabi_flock64 *target_efl; 5136 #endif 5137 5138 switch(arg2){ 5139 case TARGET_F_GETLK64: 5140 cmd = F_GETLK64; 5141 break; 5142 case TARGET_F_SETLK64: 5143 cmd = F_SETLK64; 5144 break; 5145 case TARGET_F_SETLKW64: 5146 cmd = F_SETLK64; 5147 break; 5148 default: 5149 cmd = arg2; 5150 break; 5151 } 5152 5153 switch(arg2) { 5154 case TARGET_F_GETLK64: 5155 #ifdef TARGET_ARM 5156 if (((CPUARMState *)cpu_env)->eabi) { 5157 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) 5158 goto efault; 5159 fl.l_type = tswap16(target_efl->l_type); 5160 fl.l_whence = tswap16(target_efl->l_whence); 5161 fl.l_start = tswap64(target_efl->l_start); 5162 fl.l_len = tswap64(target_efl->l_len); 5163 fl.l_pid = tswapl(target_efl->l_pid); 5164 unlock_user_struct(target_efl, arg3, 0); 5165 } else 5166 #endif 5167 { 5168 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) 5169 goto efault; 5170 fl.l_type = tswap16(target_fl->l_type); 5171 fl.l_whence = tswap16(target_fl->l_whence); 5172 fl.l_start = tswap64(target_fl->l_start); 5173 fl.l_len = tswap64(target_fl->l_len); 5174 fl.l_pid = tswapl(target_fl->l_pid); 5175 unlock_user_struct(target_fl, arg3, 0); 5176 } 5177 ret = get_errno(fcntl(arg1, cmd, &fl)); 5178 if (ret == 0) { 5179 #ifdef TARGET_ARM 5180 if (((CPUARMState *)cpu_env)->eabi) { 5181 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) 5182 goto efault; 5183 target_efl->l_type = tswap16(fl.l_type); 5184 target_efl->l_whence = tswap16(fl.l_whence); 5185 target_efl->l_start = tswap64(fl.l_start); 5186 target_efl->l_len = tswap64(fl.l_len); 5187 target_efl->l_pid = tswapl(fl.l_pid); 5188 unlock_user_struct(target_efl, arg3, 1); 5189 } else 5190 #endif 5191 { 5192 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) 5193 goto efault; 5194 target_fl->l_type = tswap16(fl.l_type); 5195 target_fl->l_whence = tswap16(fl.l_whence); 5196 target_fl->l_start = tswap64(fl.l_start); 5197 target_fl->l_len = tswap64(fl.l_len); 5198 target_fl->l_pid = tswapl(fl.l_pid); 5199 unlock_user_struct(target_fl, arg3, 1); 5200 } 5201 } 5202 break; 5203 5204 case TARGET_F_SETLK64: 5205 case TARGET_F_SETLKW64: 5206 #ifdef TARGET_ARM 5207 if (((CPUARMState *)cpu_env)->eabi) { 5208 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) 5209 goto efault; 5210 fl.l_type = tswap16(target_efl->l_type); 5211 fl.l_whence = tswap16(target_efl->l_whence); 5212 fl.l_start = tswap64(target_efl->l_start); 5213 fl.l_len = tswap64(target_efl->l_len); 5214 fl.l_pid = tswapl(target_efl->l_pid); 5215 unlock_user_struct(target_efl, arg3, 0); 5216 } else 5217 #endif 5218 { 5219 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) 5220 goto efault; 5221 fl.l_type = tswap16(target_fl->l_type); 5222 fl.l_whence = tswap16(target_fl->l_whence); 5223 fl.l_start = tswap64(target_fl->l_start); 5224 fl.l_len = tswap64(target_fl->l_len); 5225 fl.l_pid = tswapl(target_fl->l_pid); 5226 unlock_user_struct(target_fl, arg3, 0); 5227 } 5228 ret = get_errno(fcntl(arg1, cmd, &fl)); 5229 break; 5230 default: 5231 ret = do_fcntl(arg1, cmd, arg3); 5232 break; 5233 } 5234 break; 5235 } 5236 #endif 5237 #ifdef TARGET_NR_cacheflush 5238 case TARGET_NR_cacheflush: 5239 /* self-modifying code is handled automatically, so nothing needed */ 5240 ret = 0; 5241 break; 5242 #endif 5243 #ifdef TARGET_NR_security 5244 case TARGET_NR_security: 5245 goto unimplemented; 5246 #endif 5247 #ifdef TARGET_NR_getpagesize 5248 case TARGET_NR_getpagesize: 5249 ret = TARGET_PAGE_SIZE; 5250 break; 5251 #endif 5252 case TARGET_NR_gettid: 5253 ret = get_errno(gettid()); 5254 break; 5255 #ifdef TARGET_NR_readahead 5256 case TARGET_NR_readahead: 5257 goto unimplemented; 5258 #endif 5259 #ifdef TARGET_NR_setxattr 5260 case TARGET_NR_setxattr: 5261 case TARGET_NR_lsetxattr: 5262 case TARGET_NR_fsetxattr: 5263 case TARGET_NR_getxattr: 5264 case TARGET_NR_lgetxattr: 5265 case TARGET_NR_fgetxattr: 5266 case TARGET_NR_listxattr: 5267 case TARGET_NR_llistxattr: 5268 case TARGET_NR_flistxattr: 5269 case TARGET_NR_removexattr: 5270 case TARGET_NR_lremovexattr: 5271 case TARGET_NR_fremovexattr: 5272 goto unimplemented_nowarn; 5273 #endif 5274 #ifdef TARGET_NR_set_thread_area 5275 case TARGET_NR_set_thread_area: 5276 #if defined(TARGET_MIPS) 5277 ((CPUMIPSState *) cpu_env)->tls_value = arg1; 5278 ret = 0; 5279 break; 5280 #elif defined(TARGET_I386) && defined(TARGET_ABI32) 5281 ret = do_set_thread_area(cpu_env, arg1); 5282 break; 5283 #else 5284 goto unimplemented_nowarn; 5285 #endif 5286 #endif 5287 #ifdef TARGET_NR_get_thread_area 5288 case TARGET_NR_get_thread_area: 5289 #if defined(TARGET_I386) && defined(TARGET_ABI32) 5290 ret = do_get_thread_area(cpu_env, arg1); 5291 #else 5292 goto unimplemented_nowarn; 5293 #endif 5294 #endif 5295 #ifdef TARGET_NR_getdomainname 5296 case TARGET_NR_getdomainname: 5297 goto unimplemented_nowarn; 5298 #endif 5299 5300 #ifdef TARGET_NR_clock_gettime 5301 case TARGET_NR_clock_gettime: 5302 { 5303 struct timespec ts; 5304 ret = get_errno(clock_gettime(arg1, &ts)); 5305 if (!is_error(ret)) { 5306 host_to_target_timespec(arg2, &ts); 5307 } 5308 break; 5309 } 5310 #endif 5311 #ifdef TARGET_NR_clock_getres 5312 case TARGET_NR_clock_getres: 5313 { 5314 struct timespec ts; 5315 ret = get_errno(clock_getres(arg1, &ts)); 5316 if (!is_error(ret)) { 5317 host_to_target_timespec(arg2, &ts); 5318 } 5319 break; 5320 } 5321 #endif 5322 5323 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) 5324 case TARGET_NR_set_tid_address: 5325 ret = get_errno(set_tid_address((int *)g2h(arg1))); 5326 break; 5327 #endif 5328 5329 #if defined(TARGET_NR_tkill) && defined(__NR_tkill) 5330 case TARGET_NR_tkill: 5331 ret = get_errno(sys_tkill((int)arg1, (int)arg2)); 5332 break; 5333 #endif 5334 5335 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) 5336 case TARGET_NR_tgkill: 5337 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3)); 5338 break; 5339 #endif 5340 5341 #ifdef TARGET_NR_set_robust_list 5342 case TARGET_NR_set_robust_list: 5343 goto unimplemented_nowarn; 5344 #endif 5345 5346 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat) 5347 case TARGET_NR_utimensat: 5348 { 5349 struct timespec ts[2]; 5350 target_to_host_timespec(ts, arg3); 5351 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); 5352 if (!arg2) 5353 ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4)); 5354 else { 5355 if (!(p = lock_user_string(arg2))) { 5356 ret = -TARGET_EFAULT; 5357 goto fail; 5358 } 5359 ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4)); 5360 unlock_user(p, arg2, 0); 5361 } 5362 } 5363 break; 5364 #endif 5365 5366 default: 5367 unimplemented: 5368 gemu_log("qemu: Unsupported syscall: %d\n", num); 5369 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) 5370 unimplemented_nowarn: 5371 #endif 5372 ret = -TARGET_ENOSYS; 5373 break; 5374 } 5375 fail: 5376 #ifdef DEBUG 5377 gemu_log(" = %ld\n", ret); 5378 #endif 5379 if(do_strace) 5380 print_syscall_ret(num, ret); 5381 return ret; 5382 efault: 5383 ret = -TARGET_EFAULT; 5384 goto fail; 5385 } 5386