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_addr, 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 if (get_user_u32(val, optval_addr)) 798 return -TARGET_EFAULT; 799 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 800 break; 801 case SOL_IP: 802 switch(optname) { 803 case IP_TOS: 804 case IP_TTL: 805 case IP_HDRINCL: 806 case IP_ROUTER_ALERT: 807 case IP_RECVOPTS: 808 case IP_RETOPTS: 809 case IP_PKTINFO: 810 case IP_MTU_DISCOVER: 811 case IP_RECVERR: 812 case IP_RECVTOS: 813 #ifdef IP_FREEBIND 814 case IP_FREEBIND: 815 #endif 816 case IP_MULTICAST_TTL: 817 case IP_MULTICAST_LOOP: 818 val = 0; 819 if (optlen >= sizeof(uint32_t)) { 820 if (get_user_u32(val, optval_addr)) 821 return -TARGET_EFAULT; 822 } else if (optlen >= 1) { 823 if (get_user_u8(val, optval_addr)) 824 return -TARGET_EFAULT; 825 } 826 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 827 break; 828 default: 829 goto unimplemented; 830 } 831 break; 832 case TARGET_SOL_SOCKET: 833 switch (optname) { 834 /* Options with 'int' argument. */ 835 case TARGET_SO_DEBUG: 836 optname = SO_DEBUG; 837 break; 838 case TARGET_SO_REUSEADDR: 839 optname = SO_REUSEADDR; 840 break; 841 case TARGET_SO_TYPE: 842 optname = SO_TYPE; 843 break; 844 case TARGET_SO_ERROR: 845 optname = SO_ERROR; 846 break; 847 case TARGET_SO_DONTROUTE: 848 optname = SO_DONTROUTE; 849 break; 850 case TARGET_SO_BROADCAST: 851 optname = SO_BROADCAST; 852 break; 853 case TARGET_SO_SNDBUF: 854 optname = SO_SNDBUF; 855 break; 856 case TARGET_SO_RCVBUF: 857 optname = SO_RCVBUF; 858 break; 859 case TARGET_SO_KEEPALIVE: 860 optname = SO_KEEPALIVE; 861 break; 862 case TARGET_SO_OOBINLINE: 863 optname = SO_OOBINLINE; 864 break; 865 case TARGET_SO_NO_CHECK: 866 optname = SO_NO_CHECK; 867 break; 868 case TARGET_SO_PRIORITY: 869 optname = SO_PRIORITY; 870 break; 871 #ifdef SO_BSDCOMPAT 872 case TARGET_SO_BSDCOMPAT: 873 optname = SO_BSDCOMPAT; 874 break; 875 #endif 876 case TARGET_SO_PASSCRED: 877 optname = SO_PASSCRED; 878 break; 879 case TARGET_SO_TIMESTAMP: 880 optname = SO_TIMESTAMP; 881 break; 882 case TARGET_SO_RCVLOWAT: 883 optname = SO_RCVLOWAT; 884 break; 885 case TARGET_SO_RCVTIMEO: 886 optname = SO_RCVTIMEO; 887 break; 888 case TARGET_SO_SNDTIMEO: 889 optname = SO_SNDTIMEO; 890 break; 891 break; 892 default: 893 goto unimplemented; 894 } 895 if (optlen < sizeof(uint32_t)) 896 return -TARGET_EINVAL; 897 898 if (get_user_u32(val, optval_addr)) 899 return -TARGET_EFAULT; 900 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); 901 break; 902 default: 903 unimplemented: 904 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); 905 ret = -TARGET_ENOSYS; 906 } 907 return ret; 908 } 909 910 /* do_getsockopt() Must return target values and target errnos. */ 911 static abi_long do_getsockopt(int sockfd, int level, int optname, 912 abi_ulong optval_addr, abi_ulong optlen) 913 { 914 abi_long ret; 915 int len, lv, val; 916 917 switch(level) { 918 case TARGET_SOL_SOCKET: 919 level = SOL_SOCKET; 920 switch (optname) { 921 case TARGET_SO_LINGER: 922 case TARGET_SO_RCVTIMEO: 923 case TARGET_SO_SNDTIMEO: 924 case TARGET_SO_PEERCRED: 925 case TARGET_SO_PEERNAME: 926 /* These don't just return a single integer */ 927 goto unimplemented; 928 default: 929 goto int_case; 930 } 931 break; 932 case SOL_TCP: 933 /* TCP options all take an 'int' value. */ 934 int_case: 935 if (get_user_u32(len, optlen)) 936 return -TARGET_EFAULT; 937 if (len < 0) 938 return -TARGET_EINVAL; 939 lv = sizeof(int); 940 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 941 if (ret < 0) 942 return ret; 943 val = tswap32(val); 944 if (len > lv) 945 len = lv; 946 if (len == 4) { 947 if (put_user_u32(val, optval_addr)) 948 return -TARGET_EFAULT; 949 } else { 950 if (put_user_u8(val, optval_addr)) 951 return -TARGET_EFAULT; 952 } 953 if (put_user_u32(len, optlen)) 954 return -TARGET_EFAULT; 955 break; 956 case SOL_IP: 957 switch(optname) { 958 case IP_TOS: 959 case IP_TTL: 960 case IP_HDRINCL: 961 case IP_ROUTER_ALERT: 962 case IP_RECVOPTS: 963 case IP_RETOPTS: 964 case IP_PKTINFO: 965 case IP_MTU_DISCOVER: 966 case IP_RECVERR: 967 case IP_RECVTOS: 968 #ifdef IP_FREEBIND 969 case IP_FREEBIND: 970 #endif 971 case IP_MULTICAST_TTL: 972 case IP_MULTICAST_LOOP: 973 if (get_user_u32(len, optlen)) 974 return -TARGET_EFAULT; 975 if (len < 0) 976 return -TARGET_EINVAL; 977 lv = sizeof(int); 978 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 979 if (ret < 0) 980 return ret; 981 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { 982 len = 1; 983 if (put_user_u32(len, optlen) 984 || put_user_u8(val, optval_addr)) 985 return -TARGET_EFAULT; 986 } else { 987 if (len > sizeof(int)) 988 len = sizeof(int); 989 if (put_user_u32(len, optlen) 990 || put_user_u32(val, optval_addr)) 991 return -TARGET_EFAULT; 992 } 993 break; 994 default: 995 goto unimplemented; 996 } 997 break; 998 default: 999 unimplemented: 1000 gemu_log("getsockopt level=%d optname=%d not yet supported\n", 1001 level, optname); 1002 ret = -TARGET_ENOSYS; 1003 break; 1004 } 1005 return ret; 1006 } 1007 1008 /* FIXME 1009 * lock_iovec()/unlock_iovec() have a return code of 0 for success where 1010 * other lock functions have a return code of 0 for failure. 1011 */ 1012 static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr, 1013 int count, int copy) 1014 { 1015 struct target_iovec *target_vec; 1016 abi_ulong base; 1017 int i, j; 1018 1019 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); 1020 if (!target_vec) 1021 return -TARGET_EFAULT; 1022 for(i = 0;i < count; i++) { 1023 base = tswapl(target_vec[i].iov_base); 1024 vec[i].iov_len = tswapl(target_vec[i].iov_len); 1025 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy); 1026 if (!vec[i].iov_base) 1027 goto fail; 1028 } 1029 unlock_user (target_vec, target_addr, 0); 1030 return 0; 1031 fail: 1032 /* failure - unwind locks */ 1033 for (j = 0; j < i; j++) { 1034 base = tswapl(target_vec[j].iov_base); 1035 unlock_user(vec[j].iov_base, base, 0); 1036 } 1037 unlock_user (target_vec, target_addr, 0); 1038 return -TARGET_EFAULT; 1039 } 1040 1041 static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr, 1042 int count, int copy) 1043 { 1044 struct target_iovec *target_vec; 1045 abi_ulong base; 1046 int i; 1047 1048 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); 1049 if (!target_vec) 1050 return -TARGET_EFAULT; 1051 for(i = 0;i < count; i++) { 1052 base = tswapl(target_vec[i].iov_base); 1053 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); 1054 } 1055 unlock_user (target_vec, target_addr, 0); 1056 1057 return 0; 1058 } 1059 1060 /* do_socket() Must return target values and target errnos. */ 1061 static abi_long do_socket(int domain, int type, int protocol) 1062 { 1063 #if defined(TARGET_MIPS) 1064 switch(type) { 1065 case TARGET_SOCK_DGRAM: 1066 type = SOCK_DGRAM; 1067 break; 1068 case TARGET_SOCK_STREAM: 1069 type = SOCK_STREAM; 1070 break; 1071 case TARGET_SOCK_RAW: 1072 type = SOCK_RAW; 1073 break; 1074 case TARGET_SOCK_RDM: 1075 type = SOCK_RDM; 1076 break; 1077 case TARGET_SOCK_SEQPACKET: 1078 type = SOCK_SEQPACKET; 1079 break; 1080 case TARGET_SOCK_PACKET: 1081 type = SOCK_PACKET; 1082 break; 1083 } 1084 #endif 1085 if (domain == PF_NETLINK) 1086 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */ 1087 return get_errno(socket(domain, type, protocol)); 1088 } 1089 1090 /* do_bind() Must return target values and target errnos. */ 1091 static abi_long do_bind(int sockfd, abi_ulong target_addr, 1092 socklen_t addrlen) 1093 { 1094 void *addr = alloca(addrlen); 1095 1096 target_to_host_sockaddr(addr, target_addr, addrlen); 1097 return get_errno(bind(sockfd, addr, addrlen)); 1098 } 1099 1100 /* do_connect() Must return target values and target errnos. */ 1101 static abi_long do_connect(int sockfd, abi_ulong target_addr, 1102 socklen_t addrlen) 1103 { 1104 void *addr = alloca(addrlen); 1105 1106 target_to_host_sockaddr(addr, target_addr, addrlen); 1107 return get_errno(connect(sockfd, addr, addrlen)); 1108 } 1109 1110 /* do_sendrecvmsg() Must return target values and target errnos. */ 1111 static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, 1112 int flags, int send) 1113 { 1114 abi_long ret; 1115 struct target_msghdr *msgp; 1116 struct msghdr msg; 1117 int count; 1118 struct iovec *vec; 1119 abi_ulong target_vec; 1120 1121 /* FIXME */ 1122 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, 1123 msgp, 1124 target_msg, 1125 send ? 1 : 0)) 1126 return -TARGET_EFAULT; 1127 if (msgp->msg_name) { 1128 msg.msg_namelen = tswap32(msgp->msg_namelen); 1129 msg.msg_name = alloca(msg.msg_namelen); 1130 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name), 1131 msg.msg_namelen); 1132 } else { 1133 msg.msg_name = NULL; 1134 msg.msg_namelen = 0; 1135 } 1136 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); 1137 msg.msg_control = alloca(msg.msg_controllen); 1138 msg.msg_flags = tswap32(msgp->msg_flags); 1139 1140 count = tswapl(msgp->msg_iovlen); 1141 vec = alloca(count * sizeof(struct iovec)); 1142 target_vec = tswapl(msgp->msg_iov); 1143 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send); 1144 msg.msg_iovlen = count; 1145 msg.msg_iov = vec; 1146 1147 if (send) { 1148 ret = target_to_host_cmsg(&msg, msgp); 1149 if (ret == 0) 1150 ret = get_errno(sendmsg(fd, &msg, flags)); 1151 } else { 1152 ret = get_errno(recvmsg(fd, &msg, flags)); 1153 if (!is_error(ret)) 1154 ret = host_to_target_cmsg(msgp, &msg); 1155 } 1156 unlock_iovec(vec, target_vec, count, !send); 1157 unlock_user_struct(msgp, target_msg, send ? 0 : 1); 1158 return ret; 1159 } 1160 1161 /* do_accept() Must return target values and target errnos. */ 1162 static abi_long do_accept(int fd, abi_ulong target_addr, 1163 abi_ulong target_addrlen_addr) 1164 { 1165 socklen_t addrlen; 1166 void *addr; 1167 abi_long ret; 1168 1169 if (get_user_u32(addrlen, target_addrlen_addr)) 1170 return -TARGET_EFAULT; 1171 1172 addr = alloca(addrlen); 1173 1174 ret = get_errno(accept(fd, addr, &addrlen)); 1175 if (!is_error(ret)) { 1176 host_to_target_sockaddr(target_addr, addr, addrlen); 1177 if (put_user_u32(addrlen, target_addrlen_addr)) 1178 ret = -TARGET_EFAULT; 1179 } 1180 return ret; 1181 } 1182 1183 /* do_getpeername() Must return target values and target errnos. */ 1184 static abi_long do_getpeername(int fd, abi_ulong target_addr, 1185 abi_ulong target_addrlen_addr) 1186 { 1187 socklen_t addrlen; 1188 void *addr; 1189 abi_long ret; 1190 1191 if (get_user_u32(addrlen, target_addrlen_addr)) 1192 return -TARGET_EFAULT; 1193 1194 addr = alloca(addrlen); 1195 1196 ret = get_errno(getpeername(fd, addr, &addrlen)); 1197 if (!is_error(ret)) { 1198 host_to_target_sockaddr(target_addr, addr, addrlen); 1199 if (put_user_u32(addrlen, target_addrlen_addr)) 1200 ret = -TARGET_EFAULT; 1201 } 1202 return ret; 1203 } 1204 1205 /* do_getsockname() Must return target values and target errnos. */ 1206 static abi_long do_getsockname(int fd, abi_ulong target_addr, 1207 abi_ulong target_addrlen_addr) 1208 { 1209 socklen_t addrlen; 1210 void *addr; 1211 abi_long ret; 1212 1213 if (get_user_u32(addrlen, target_addrlen_addr)) 1214 return -TARGET_EFAULT; 1215 1216 addr = alloca(addrlen); 1217 1218 ret = get_errno(getsockname(fd, addr, &addrlen)); 1219 if (!is_error(ret)) { 1220 host_to_target_sockaddr(target_addr, addr, addrlen); 1221 if (put_user_u32(addrlen, target_addrlen_addr)) 1222 ret = -TARGET_EFAULT; 1223 } 1224 return ret; 1225 } 1226 1227 /* do_socketpair() Must return target values and target errnos. */ 1228 static abi_long do_socketpair(int domain, int type, int protocol, 1229 abi_ulong target_tab_addr) 1230 { 1231 int tab[2]; 1232 abi_long ret; 1233 1234 ret = get_errno(socketpair(domain, type, protocol, tab)); 1235 if (!is_error(ret)) { 1236 if (put_user_s32(tab[0], target_tab_addr) 1237 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) 1238 ret = -TARGET_EFAULT; 1239 } 1240 return ret; 1241 } 1242 1243 /* do_sendto() Must return target values and target errnos. */ 1244 static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, 1245 abi_ulong target_addr, socklen_t addrlen) 1246 { 1247 void *addr; 1248 void *host_msg; 1249 abi_long ret; 1250 1251 host_msg = lock_user(VERIFY_READ, msg, len, 1); 1252 if (!host_msg) 1253 return -TARGET_EFAULT; 1254 if (target_addr) { 1255 addr = alloca(addrlen); 1256 target_to_host_sockaddr(addr, target_addr, addrlen); 1257 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); 1258 } else { 1259 ret = get_errno(send(fd, host_msg, len, flags)); 1260 } 1261 unlock_user(host_msg, msg, 0); 1262 return ret; 1263 } 1264 1265 /* do_recvfrom() Must return target values and target errnos. */ 1266 static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, 1267 abi_ulong target_addr, 1268 abi_ulong target_addrlen) 1269 { 1270 socklen_t addrlen; 1271 void *addr; 1272 void *host_msg; 1273 abi_long ret; 1274 1275 host_msg = lock_user(VERIFY_WRITE, msg, len, 0); 1276 if (!host_msg) 1277 return -TARGET_EFAULT; 1278 if (target_addr) { 1279 if (get_user_u32(addrlen, target_addrlen)) { 1280 ret = -TARGET_EFAULT; 1281 goto fail; 1282 } 1283 addr = alloca(addrlen); 1284 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); 1285 } else { 1286 addr = NULL; /* To keep compiler quiet. */ 1287 ret = get_errno(recv(fd, host_msg, len, flags)); 1288 } 1289 if (!is_error(ret)) { 1290 if (target_addr) { 1291 host_to_target_sockaddr(target_addr, addr, addrlen); 1292 if (put_user_u32(addrlen, target_addrlen)) { 1293 ret = -TARGET_EFAULT; 1294 goto fail; 1295 } 1296 } 1297 unlock_user(host_msg, msg, len); 1298 } else { 1299 fail: 1300 unlock_user(host_msg, msg, 0); 1301 } 1302 return ret; 1303 } 1304 1305 #ifdef TARGET_NR_socketcall 1306 /* do_socketcall() Must return target values and target errnos. */ 1307 static abi_long do_socketcall(int num, abi_ulong vptr) 1308 { 1309 abi_long ret; 1310 const int n = sizeof(abi_ulong); 1311 1312 switch(num) { 1313 case SOCKOP_socket: 1314 { 1315 int domain, type, protocol; 1316 1317 if (get_user_s32(domain, vptr) 1318 || get_user_s32(type, vptr + n) 1319 || get_user_s32(protocol, vptr + 2 * n)) 1320 return -TARGET_EFAULT; 1321 1322 ret = do_socket(domain, type, protocol); 1323 } 1324 break; 1325 case SOCKOP_bind: 1326 { 1327 int sockfd; 1328 abi_ulong target_addr; 1329 socklen_t addrlen; 1330 1331 if (get_user_s32(sockfd, vptr) 1332 || get_user_ual(target_addr, vptr + n) 1333 || get_user_u32(addrlen, vptr + 2 * n)) 1334 return -TARGET_EFAULT; 1335 1336 ret = do_bind(sockfd, target_addr, addrlen); 1337 } 1338 break; 1339 case SOCKOP_connect: 1340 { 1341 int sockfd; 1342 abi_ulong target_addr; 1343 socklen_t addrlen; 1344 1345 if (get_user_s32(sockfd, vptr) 1346 || get_user_ual(target_addr, vptr + n) 1347 || get_user_u32(addrlen, vptr + 2 * n)) 1348 return -TARGET_EFAULT; 1349 1350 ret = do_connect(sockfd, target_addr, addrlen); 1351 } 1352 break; 1353 case SOCKOP_listen: 1354 { 1355 int sockfd, backlog; 1356 1357 if (get_user_s32(sockfd, vptr) 1358 || get_user_s32(backlog, vptr + n)) 1359 return -TARGET_EFAULT; 1360 1361 ret = get_errno(listen(sockfd, backlog)); 1362 } 1363 break; 1364 case SOCKOP_accept: 1365 { 1366 int sockfd; 1367 abi_ulong target_addr, target_addrlen; 1368 1369 if (get_user_s32(sockfd, vptr) 1370 || get_user_ual(target_addr, vptr + n) 1371 || get_user_u32(target_addrlen, vptr + 2 * n)) 1372 return -TARGET_EFAULT; 1373 1374 ret = do_accept(sockfd, target_addr, target_addrlen); 1375 } 1376 break; 1377 case SOCKOP_getsockname: 1378 { 1379 int sockfd; 1380 abi_ulong target_addr, target_addrlen; 1381 1382 if (get_user_s32(sockfd, vptr) 1383 || get_user_ual(target_addr, vptr + n) 1384 || get_user_u32(target_addrlen, vptr + 2 * n)) 1385 return -TARGET_EFAULT; 1386 1387 ret = do_getsockname(sockfd, target_addr, target_addrlen); 1388 } 1389 break; 1390 case SOCKOP_getpeername: 1391 { 1392 int sockfd; 1393 abi_ulong target_addr, target_addrlen; 1394 1395 if (get_user_s32(sockfd, vptr) 1396 || get_user_ual(target_addr, vptr + n) 1397 || get_user_u32(target_addrlen, vptr + 2 * n)) 1398 return -TARGET_EFAULT; 1399 1400 ret = do_getpeername(sockfd, target_addr, target_addrlen); 1401 } 1402 break; 1403 case SOCKOP_socketpair: 1404 { 1405 int domain, type, protocol; 1406 abi_ulong tab; 1407 1408 if (get_user_s32(domain, vptr) 1409 || get_user_s32(type, vptr + n) 1410 || get_user_s32(protocol, vptr + 2 * n) 1411 || get_user_ual(tab, vptr + 3 * n)) 1412 return -TARGET_EFAULT; 1413 1414 ret = do_socketpair(domain, type, protocol, tab); 1415 } 1416 break; 1417 case SOCKOP_send: 1418 { 1419 int sockfd; 1420 abi_ulong msg; 1421 size_t len; 1422 int flags; 1423 1424 if (get_user_s32(sockfd, vptr) 1425 || get_user_ual(msg, vptr + n) 1426 || get_user_ual(len, vptr + 2 * n) 1427 || get_user_s32(flags, vptr + 3 * n)) 1428 return -TARGET_EFAULT; 1429 1430 ret = do_sendto(sockfd, msg, len, flags, 0, 0); 1431 } 1432 break; 1433 case SOCKOP_recv: 1434 { 1435 int sockfd; 1436 abi_ulong msg; 1437 size_t len; 1438 int flags; 1439 1440 if (get_user_s32(sockfd, vptr) 1441 || get_user_ual(msg, vptr + n) 1442 || get_user_ual(len, vptr + 2 * n) 1443 || get_user_s32(flags, vptr + 3 * n)) 1444 return -TARGET_EFAULT; 1445 1446 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); 1447 } 1448 break; 1449 case SOCKOP_sendto: 1450 { 1451 int sockfd; 1452 abi_ulong msg; 1453 size_t len; 1454 int flags; 1455 abi_ulong addr; 1456 socklen_t addrlen; 1457 1458 if (get_user_s32(sockfd, vptr) 1459 || get_user_ual(msg, vptr + n) 1460 || get_user_ual(len, vptr + 2 * n) 1461 || get_user_s32(flags, vptr + 3 * n) 1462 || get_user_ual(addr, vptr + 4 * n) 1463 || get_user_u32(addrlen, vptr + 5 * n)) 1464 return -TARGET_EFAULT; 1465 1466 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); 1467 } 1468 break; 1469 case SOCKOP_recvfrom: 1470 { 1471 int sockfd; 1472 abi_ulong msg; 1473 size_t len; 1474 int flags; 1475 abi_ulong addr; 1476 socklen_t addrlen; 1477 1478 if (get_user_s32(sockfd, vptr) 1479 || get_user_ual(msg, vptr + n) 1480 || get_user_ual(len, vptr + 2 * n) 1481 || get_user_s32(flags, vptr + 3 * n) 1482 || get_user_ual(addr, vptr + 4 * n) 1483 || get_user_u32(addrlen, vptr + 5 * n)) 1484 return -TARGET_EFAULT; 1485 1486 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); 1487 } 1488 break; 1489 case SOCKOP_shutdown: 1490 { 1491 int sockfd, how; 1492 1493 if (get_user_s32(sockfd, vptr) 1494 || get_user_s32(how, vptr + n)) 1495 return -TARGET_EFAULT; 1496 1497 ret = get_errno(shutdown(sockfd, how)); 1498 } 1499 break; 1500 case SOCKOP_sendmsg: 1501 case SOCKOP_recvmsg: 1502 { 1503 int fd; 1504 abi_ulong target_msg; 1505 int flags; 1506 1507 if (get_user_s32(fd, vptr) 1508 || get_user_ual(target_msg, vptr + n) 1509 || get_user_s32(flags, vptr + 2 * n)) 1510 return -TARGET_EFAULT; 1511 1512 ret = do_sendrecvmsg(fd, target_msg, flags, 1513 (num == SOCKOP_sendmsg)); 1514 } 1515 break; 1516 case SOCKOP_setsockopt: 1517 { 1518 int sockfd; 1519 int level; 1520 int optname; 1521 abi_ulong optval; 1522 socklen_t optlen; 1523 1524 if (get_user_s32(sockfd, vptr) 1525 || get_user_s32(level, vptr + n) 1526 || get_user_s32(optname, vptr + 2 * n) 1527 || get_user_ual(optval, vptr + 3 * n) 1528 || get_user_u32(optlen, vptr + 4 * n)) 1529 return -TARGET_EFAULT; 1530 1531 ret = do_setsockopt(sockfd, level, optname, optval, optlen); 1532 } 1533 break; 1534 case SOCKOP_getsockopt: 1535 { 1536 int sockfd; 1537 int level; 1538 int optname; 1539 abi_ulong optval; 1540 socklen_t optlen; 1541 1542 if (get_user_s32(sockfd, vptr) 1543 || get_user_s32(level, vptr + n) 1544 || get_user_s32(optname, vptr + 2 * n) 1545 || get_user_ual(optval, vptr + 3 * n) 1546 || get_user_u32(optlen, vptr + 4 * n)) 1547 return -TARGET_EFAULT; 1548 1549 ret = do_getsockopt(sockfd, level, optname, optval, optlen); 1550 } 1551 break; 1552 default: 1553 gemu_log("Unsupported socketcall: %d\n", num); 1554 ret = -TARGET_ENOSYS; 1555 break; 1556 } 1557 return ret; 1558 } 1559 #endif 1560 1561 #ifdef TARGET_NR_ipc 1562 #define N_SHM_REGIONS 32 1563 1564 static struct shm_region { 1565 abi_ulong start; 1566 abi_ulong size; 1567 } shm_regions[N_SHM_REGIONS]; 1568 1569 struct target_ipc_perm 1570 { 1571 abi_long __key; 1572 abi_ulong uid; 1573 abi_ulong gid; 1574 abi_ulong cuid; 1575 abi_ulong cgid; 1576 unsigned short int mode; 1577 unsigned short int __pad1; 1578 unsigned short int __seq; 1579 unsigned short int __pad2; 1580 abi_ulong __unused1; 1581 abi_ulong __unused2; 1582 }; 1583 1584 struct target_semid_ds 1585 { 1586 struct target_ipc_perm sem_perm; 1587 abi_ulong sem_otime; 1588 abi_ulong __unused1; 1589 abi_ulong sem_ctime; 1590 abi_ulong __unused2; 1591 abi_ulong sem_nsems; 1592 abi_ulong __unused3; 1593 abi_ulong __unused4; 1594 }; 1595 1596 static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, 1597 abi_ulong target_addr) 1598 { 1599 struct target_ipc_perm *target_ip; 1600 struct target_semid_ds *target_sd; 1601 1602 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) 1603 return -TARGET_EFAULT; 1604 target_ip=&(target_sd->sem_perm); 1605 host_ip->__key = tswapl(target_ip->__key); 1606 host_ip->uid = tswapl(target_ip->uid); 1607 host_ip->gid = tswapl(target_ip->gid); 1608 host_ip->cuid = tswapl(target_ip->cuid); 1609 host_ip->cgid = tswapl(target_ip->cgid); 1610 host_ip->mode = tswapl(target_ip->mode); 1611 unlock_user_struct(target_sd, target_addr, 0); 1612 return 0; 1613 } 1614 1615 static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, 1616 struct ipc_perm *host_ip) 1617 { 1618 struct target_ipc_perm *target_ip; 1619 struct target_semid_ds *target_sd; 1620 1621 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) 1622 return -TARGET_EFAULT; 1623 target_ip = &(target_sd->sem_perm); 1624 target_ip->__key = tswapl(host_ip->__key); 1625 target_ip->uid = tswapl(host_ip->uid); 1626 target_ip->gid = tswapl(host_ip->gid); 1627 target_ip->cuid = tswapl(host_ip->cuid); 1628 target_ip->cgid = tswapl(host_ip->cgid); 1629 target_ip->mode = tswapl(host_ip->mode); 1630 unlock_user_struct(target_sd, target_addr, 1); 1631 return 0; 1632 } 1633 1634 static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, 1635 abi_ulong target_addr) 1636 { 1637 struct target_semid_ds *target_sd; 1638 1639 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) 1640 return -TARGET_EFAULT; 1641 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr); 1642 host_sd->sem_nsems = tswapl(target_sd->sem_nsems); 1643 host_sd->sem_otime = tswapl(target_sd->sem_otime); 1644 host_sd->sem_ctime = tswapl(target_sd->sem_ctime); 1645 unlock_user_struct(target_sd, target_addr, 0); 1646 return 0; 1647 } 1648 1649 static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, 1650 struct semid_ds *host_sd) 1651 { 1652 struct target_semid_ds *target_sd; 1653 1654 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) 1655 return -TARGET_EFAULT; 1656 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)); 1657 target_sd->sem_nsems = tswapl(host_sd->sem_nsems); 1658 target_sd->sem_otime = tswapl(host_sd->sem_otime); 1659 target_sd->sem_ctime = tswapl(host_sd->sem_ctime); 1660 unlock_user_struct(target_sd, target_addr, 1); 1661 return 0; 1662 } 1663 1664 union semun { 1665 int val; 1666 struct semid_ds *buf; 1667 unsigned short *array; 1668 }; 1669 1670 union target_semun { 1671 int val; 1672 abi_long buf; 1673 unsigned short int *array; 1674 }; 1675 1676 static inline abi_long target_to_host_semun(int cmd, 1677 union semun *host_su, 1678 abi_ulong target_addr, 1679 struct semid_ds *ds) 1680 { 1681 union target_semun *target_su; 1682 1683 switch( cmd ) { 1684 case IPC_STAT: 1685 case IPC_SET: 1686 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) 1687 return -TARGET_EFAULT; 1688 target_to_host_semid_ds(ds,target_su->buf); 1689 host_su->buf = ds; 1690 unlock_user_struct(target_su, target_addr, 0); 1691 break; 1692 case GETVAL: 1693 case SETVAL: 1694 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) 1695 return -TARGET_EFAULT; 1696 host_su->val = tswapl(target_su->val); 1697 unlock_user_struct(target_su, target_addr, 0); 1698 break; 1699 case GETALL: 1700 case SETALL: 1701 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) 1702 return -TARGET_EFAULT; 1703 *host_su->array = tswap16(*target_su->array); 1704 unlock_user_struct(target_su, target_addr, 0); 1705 break; 1706 default: 1707 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1708 } 1709 return 0; 1710 } 1711 1712 static inline abi_long host_to_target_semun(int cmd, 1713 abi_ulong target_addr, 1714 union semun *host_su, 1715 struct semid_ds *ds) 1716 { 1717 union target_semun *target_su; 1718 1719 switch( cmd ) { 1720 case IPC_STAT: 1721 case IPC_SET: 1722 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) 1723 return -TARGET_EFAULT; 1724 host_to_target_semid_ds(target_su->buf,ds); 1725 unlock_user_struct(target_su, target_addr, 1); 1726 break; 1727 case GETVAL: 1728 case SETVAL: 1729 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) 1730 return -TARGET_EFAULT; 1731 target_su->val = tswapl(host_su->val); 1732 unlock_user_struct(target_su, target_addr, 1); 1733 break; 1734 case GETALL: 1735 case SETALL: 1736 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) 1737 return -TARGET_EFAULT; 1738 *target_su->array = tswap16(*host_su->array); 1739 unlock_user_struct(target_su, target_addr, 1); 1740 break; 1741 default: 1742 gemu_log("semun operation not fully supported: %d\n", (int)cmd); 1743 } 1744 return 0; 1745 } 1746 1747 static inline abi_long do_semctl(int first, int second, int third, 1748 abi_long ptr) 1749 { 1750 union semun arg; 1751 struct semid_ds dsarg; 1752 int cmd = third&0xff; 1753 abi_long ret = 0; 1754 1755 switch( cmd ) { 1756 case GETVAL: 1757 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1758 ret = get_errno(semctl(first, second, cmd, arg)); 1759 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1760 break; 1761 case SETVAL: 1762 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1763 ret = get_errno(semctl(first, second, cmd, arg)); 1764 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1765 break; 1766 case GETALL: 1767 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1768 ret = get_errno(semctl(first, second, cmd, arg)); 1769 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1770 break; 1771 case SETALL: 1772 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1773 ret = get_errno(semctl(first, second, cmd, arg)); 1774 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1775 break; 1776 case IPC_STAT: 1777 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1778 ret = get_errno(semctl(first, second, cmd, arg)); 1779 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1780 break; 1781 case IPC_SET: 1782 target_to_host_semun(cmd,&arg,ptr,&dsarg); 1783 ret = get_errno(semctl(first, second, cmd, arg)); 1784 host_to_target_semun(cmd,ptr,&arg,&dsarg); 1785 break; 1786 default: 1787 ret = get_errno(semctl(first, second, cmd, arg)); 1788 } 1789 1790 return ret; 1791 } 1792 1793 struct target_msqid_ds 1794 { 1795 struct target_ipc_perm msg_perm; 1796 abi_ulong msg_stime; 1797 abi_ulong __unused1; 1798 abi_ulong msg_rtime; 1799 abi_ulong __unused2; 1800 abi_ulong msg_ctime; 1801 abi_ulong __unused3; 1802 abi_ulong __msg_cbytes; 1803 abi_ulong msg_qnum; 1804 abi_ulong msg_qbytes; 1805 abi_ulong msg_lspid; 1806 abi_ulong msg_lrpid; 1807 abi_ulong __unused4; 1808 abi_ulong __unused5; 1809 }; 1810 1811 static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, 1812 abi_ulong target_addr) 1813 { 1814 struct target_msqid_ds *target_md; 1815 1816 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) 1817 return -TARGET_EFAULT; 1818 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr); 1819 host_md->msg_stime = tswapl(target_md->msg_stime); 1820 host_md->msg_rtime = tswapl(target_md->msg_rtime); 1821 host_md->msg_ctime = tswapl(target_md->msg_ctime); 1822 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes); 1823 host_md->msg_qnum = tswapl(target_md->msg_qnum); 1824 host_md->msg_qbytes = tswapl(target_md->msg_qbytes); 1825 host_md->msg_lspid = tswapl(target_md->msg_lspid); 1826 host_md->msg_lrpid = tswapl(target_md->msg_lrpid); 1827 unlock_user_struct(target_md, target_addr, 0); 1828 return 0; 1829 } 1830 1831 static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, 1832 struct msqid_ds *host_md) 1833 { 1834 struct target_msqid_ds *target_md; 1835 1836 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) 1837 return -TARGET_EFAULT; 1838 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)); 1839 target_md->msg_stime = tswapl(host_md->msg_stime); 1840 target_md->msg_rtime = tswapl(host_md->msg_rtime); 1841 target_md->msg_ctime = tswapl(host_md->msg_ctime); 1842 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes); 1843 target_md->msg_qnum = tswapl(host_md->msg_qnum); 1844 target_md->msg_qbytes = tswapl(host_md->msg_qbytes); 1845 target_md->msg_lspid = tswapl(host_md->msg_lspid); 1846 target_md->msg_lrpid = tswapl(host_md->msg_lrpid); 1847 unlock_user_struct(target_md, target_addr, 1); 1848 return 0; 1849 } 1850 1851 static inline abi_long do_msgctl(int first, int second, abi_long ptr) 1852 { 1853 struct msqid_ds dsarg; 1854 int cmd = second&0xff; 1855 abi_long ret = 0; 1856 switch( cmd ) { 1857 case IPC_STAT: 1858 case IPC_SET: 1859 target_to_host_msqid_ds(&dsarg,ptr); 1860 ret = get_errno(msgctl(first, cmd, &dsarg)); 1861 host_to_target_msqid_ds(ptr,&dsarg); 1862 default: 1863 ret = get_errno(msgctl(first, cmd, &dsarg)); 1864 } 1865 return ret; 1866 } 1867 1868 struct target_msgbuf { 1869 abi_ulong mtype; 1870 char mtext[1]; 1871 }; 1872 1873 static inline abi_long do_msgsnd(int msqid, abi_long msgp, 1874 unsigned int msgsz, int msgflg) 1875 { 1876 struct target_msgbuf *target_mb; 1877 struct msgbuf *host_mb; 1878 abi_long ret = 0; 1879 1880 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) 1881 return -TARGET_EFAULT; 1882 host_mb = malloc(msgsz+sizeof(long)); 1883 host_mb->mtype = tswapl(target_mb->mtype); 1884 memcpy(host_mb->mtext,target_mb->mtext,msgsz); 1885 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); 1886 free(host_mb); 1887 unlock_user_struct(target_mb, msgp, 0); 1888 1889 return ret; 1890 } 1891 1892 static inline abi_long do_msgrcv(int msqid, abi_long msgp, 1893 unsigned int msgsz, int msgtype, 1894 int msgflg) 1895 { 1896 struct target_msgbuf *target_mb; 1897 char *target_mtext; 1898 struct msgbuf *host_mb; 1899 abi_long ret = 0; 1900 1901 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) 1902 return -TARGET_EFAULT; 1903 host_mb = malloc(msgsz+sizeof(long)); 1904 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg)); 1905 if (ret > 0) { 1906 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); 1907 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); 1908 if (!target_mtext) { 1909 ret = -TARGET_EFAULT; 1910 goto end; 1911 } 1912 memcpy(target_mb->mtext, host_mb->mtext, ret); 1913 unlock_user(target_mtext, target_mtext_addr, ret); 1914 } 1915 target_mb->mtype = tswapl(host_mb->mtype); 1916 free(host_mb); 1917 1918 end: 1919 if (target_mb) 1920 unlock_user_struct(target_mb, msgp, 1); 1921 return ret; 1922 } 1923 1924 /* ??? This only works with linear mappings. */ 1925 /* do_ipc() must return target values and target errnos. */ 1926 static abi_long do_ipc(unsigned int call, int first, 1927 int second, int third, 1928 abi_long ptr, abi_long fifth) 1929 { 1930 int version; 1931 abi_long ret = 0; 1932 struct shmid_ds shm_info; 1933 int i; 1934 1935 version = call >> 16; 1936 call &= 0xffff; 1937 1938 switch (call) { 1939 case IPCOP_semop: 1940 ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second)); 1941 break; 1942 1943 case IPCOP_semget: 1944 ret = get_errno(semget(first, second, third)); 1945 break; 1946 1947 case IPCOP_semctl: 1948 ret = do_semctl(first, second, third, ptr); 1949 break; 1950 1951 case IPCOP_semtimedop: 1952 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); 1953 ret = -TARGET_ENOSYS; 1954 break; 1955 1956 case IPCOP_msgget: 1957 ret = get_errno(msgget(first, second)); 1958 break; 1959 1960 case IPCOP_msgsnd: 1961 ret = do_msgsnd(first, ptr, second, third); 1962 break; 1963 1964 case IPCOP_msgctl: 1965 ret = do_msgctl(first, second, ptr); 1966 break; 1967 1968 case IPCOP_msgrcv: 1969 { 1970 /* XXX: this code is not correct */ 1971 struct ipc_kludge 1972 { 1973 void *__unbounded msgp; 1974 long int msgtyp; 1975 }; 1976 1977 struct ipc_kludge *foo = (struct ipc_kludge *)g2h(ptr); 1978 struct msgbuf *msgp = (struct msgbuf *) foo->msgp; 1979 1980 ret = do_msgrcv(first, (long)msgp, second, 0, third); 1981 1982 } 1983 break; 1984 1985 case IPCOP_shmat: 1986 { 1987 abi_ulong raddr; 1988 void *host_addr; 1989 /* SHM_* flags are the same on all linux platforms */ 1990 host_addr = shmat(first, (void *)g2h(ptr), second); 1991 if (host_addr == (void *)-1) { 1992 ret = get_errno((long)host_addr); 1993 break; 1994 } 1995 raddr = h2g((unsigned long)host_addr); 1996 /* find out the length of the shared memory segment */ 1997 1998 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 1999 if (is_error(ret)) { 2000 /* can't get length, bail out */ 2001 shmdt(host_addr); 2002 break; 2003 } 2004 page_set_flags(raddr, raddr + shm_info.shm_segsz, 2005 PAGE_VALID | PAGE_READ | 2006 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 2007 for (i = 0; i < N_SHM_REGIONS; ++i) { 2008 if (shm_regions[i].start == 0) { 2009 shm_regions[i].start = raddr; 2010 shm_regions[i].size = shm_info.shm_segsz; 2011 break; 2012 } 2013 } 2014 if (put_user_ual(raddr, third)) 2015 return -TARGET_EFAULT; 2016 ret = 0; 2017 } 2018 break; 2019 case IPCOP_shmdt: 2020 for (i = 0; i < N_SHM_REGIONS; ++i) { 2021 if (shm_regions[i].start == ptr) { 2022 shm_regions[i].start = 0; 2023 page_set_flags(ptr, shm_regions[i].size, 0); 2024 break; 2025 } 2026 } 2027 ret = get_errno(shmdt((void *)g2h(ptr))); 2028 break; 2029 2030 case IPCOP_shmget: 2031 /* IPC_* flag values are the same on all linux platforms */ 2032 ret = get_errno(shmget(first, second, third)); 2033 break; 2034 2035 /* IPC_* and SHM_* command values are the same on all linux platforms */ 2036 case IPCOP_shmctl: 2037 switch(second) { 2038 case IPC_RMID: 2039 case SHM_LOCK: 2040 case SHM_UNLOCK: 2041 ret = get_errno(shmctl(first, second, NULL)); 2042 break; 2043 default: 2044 goto unimplemented; 2045 } 2046 break; 2047 default: 2048 unimplemented: 2049 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); 2050 ret = -TARGET_ENOSYS; 2051 break; 2052 } 2053 return ret; 2054 } 2055 #endif 2056 2057 /* kernel structure types definitions */ 2058 #define IFNAMSIZ 16 2059 2060 #define STRUCT(name, list...) STRUCT_ ## name, 2061 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 2062 enum { 2063 #include "syscall_types.h" 2064 }; 2065 #undef STRUCT 2066 #undef STRUCT_SPECIAL 2067 2068 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 2069 #define STRUCT_SPECIAL(name) 2070 #include "syscall_types.h" 2071 #undef STRUCT 2072 #undef STRUCT_SPECIAL 2073 2074 typedef struct IOCTLEntry { 2075 unsigned int target_cmd; 2076 unsigned int host_cmd; 2077 const char *name; 2078 int access; 2079 const argtype arg_type[5]; 2080 } IOCTLEntry; 2081 2082 #define IOC_R 0x0001 2083 #define IOC_W 0x0002 2084 #define IOC_RW (IOC_R | IOC_W) 2085 2086 #define MAX_STRUCT_SIZE 4096 2087 2088 IOCTLEntry ioctl_entries[] = { 2089 #define IOCTL(cmd, access, types...) \ 2090 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 2091 #include "ioctls.h" 2092 { 0, 0, }, 2093 }; 2094 2095 /* ??? Implement proper locking for ioctls. */ 2096 /* do_ioctl() Must return target values and target errnos. */ 2097 static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) 2098 { 2099 const IOCTLEntry *ie; 2100 const argtype *arg_type; 2101 abi_long ret; 2102 uint8_t buf_temp[MAX_STRUCT_SIZE]; 2103 int target_size; 2104 void *argptr; 2105 2106 ie = ioctl_entries; 2107 for(;;) { 2108 if (ie->target_cmd == 0) { 2109 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); 2110 return -TARGET_ENOSYS; 2111 } 2112 if (ie->target_cmd == cmd) 2113 break; 2114 ie++; 2115 } 2116 arg_type = ie->arg_type; 2117 #if defined(DEBUG) 2118 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); 2119 #endif 2120 switch(arg_type[0]) { 2121 case TYPE_NULL: 2122 /* no argument */ 2123 ret = get_errno(ioctl(fd, ie->host_cmd)); 2124 break; 2125 case TYPE_PTRVOID: 2126 case TYPE_INT: 2127 /* int argment */ 2128 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 2129 break; 2130 case TYPE_PTR: 2131 arg_type++; 2132 target_size = thunk_type_size(arg_type, 0); 2133 switch(ie->access) { 2134 case IOC_R: 2135 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 2136 if (!is_error(ret)) { 2137 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); 2138 if (!argptr) 2139 return -TARGET_EFAULT; 2140 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 2141 unlock_user(argptr, arg, target_size); 2142 } 2143 break; 2144 case IOC_W: 2145 argptr = lock_user(VERIFY_READ, arg, target_size, 1); 2146 if (!argptr) 2147 return -TARGET_EFAULT; 2148 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 2149 unlock_user(argptr, arg, 0); 2150 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 2151 break; 2152 default: 2153 case IOC_RW: 2154 argptr = lock_user(VERIFY_READ, arg, target_size, 1); 2155 if (!argptr) 2156 return -TARGET_EFAULT; 2157 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); 2158 unlock_user(argptr, arg, 0); 2159 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 2160 if (!is_error(ret)) { 2161 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); 2162 if (!argptr) 2163 return -TARGET_EFAULT; 2164 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); 2165 unlock_user(argptr, arg, target_size); 2166 } 2167 break; 2168 } 2169 break; 2170 default: 2171 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", 2172 (long)cmd, arg_type[0]); 2173 ret = -TARGET_ENOSYS; 2174 break; 2175 } 2176 return ret; 2177 } 2178 2179 bitmask_transtbl iflag_tbl[] = { 2180 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 2181 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 2182 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 2183 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 2184 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 2185 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 2186 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 2187 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 2188 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 2189 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 2190 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 2191 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 2192 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 2193 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 2194 { 0, 0, 0, 0 } 2195 }; 2196 2197 bitmask_transtbl oflag_tbl[] = { 2198 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 2199 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 2200 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 2201 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 2202 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 2203 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 2204 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 2205 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 2206 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 2207 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 2208 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 2209 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 2210 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 2211 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 2212 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 2213 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 2214 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 2215 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 2216 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 2217 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 2218 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 2219 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 2220 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 2221 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 2222 { 0, 0, 0, 0 } 2223 }; 2224 2225 bitmask_transtbl cflag_tbl[] = { 2226 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 2227 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 2228 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 2229 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 2230 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 2231 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 2232 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 2233 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 2234 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 2235 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 2236 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 2237 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 2238 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 2239 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 2240 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 2241 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 2242 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 2243 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 2244 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 2245 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 2246 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 2247 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 2248 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 2249 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 2250 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 2251 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 2252 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 2253 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 2254 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 2255 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 2256 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 2257 { 0, 0, 0, 0 } 2258 }; 2259 2260 bitmask_transtbl lflag_tbl[] = { 2261 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 2262 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 2263 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 2264 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 2265 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 2266 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 2267 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 2268 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 2269 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 2270 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 2271 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 2272 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 2273 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 2274 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 2275 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 2276 { 0, 0, 0, 0 } 2277 }; 2278 2279 static void target_to_host_termios (void *dst, const void *src) 2280 { 2281 struct host_termios *host = dst; 2282 const struct target_termios *target = src; 2283 2284 host->c_iflag = 2285 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 2286 host->c_oflag = 2287 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 2288 host->c_cflag = 2289 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 2290 host->c_lflag = 2291 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 2292 host->c_line = target->c_line; 2293 2294 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 2295 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 2296 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 2297 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 2298 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 2299 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 2300 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 2301 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 2302 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 2303 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 2304 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 2305 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 2306 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 2307 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 2308 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 2309 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 2310 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 2311 } 2312 2313 static void host_to_target_termios (void *dst, const void *src) 2314 { 2315 struct target_termios *target = dst; 2316 const struct host_termios *host = src; 2317 2318 target->c_iflag = 2319 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 2320 target->c_oflag = 2321 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 2322 target->c_cflag = 2323 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 2324 target->c_lflag = 2325 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 2326 target->c_line = host->c_line; 2327 2328 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 2329 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 2330 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 2331 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 2332 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 2333 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 2334 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 2335 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 2336 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 2337 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 2338 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 2339 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 2340 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 2341 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 2342 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 2343 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 2344 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 2345 } 2346 2347 StructEntry struct_termios_def = { 2348 .convert = { host_to_target_termios, target_to_host_termios }, 2349 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 2350 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 2351 }; 2352 2353 static bitmask_transtbl mmap_flags_tbl[] = { 2354 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 2355 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 2356 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 2357 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 2358 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 2359 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 2360 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 2361 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 2362 { 0, 0, 0, 0 } 2363 }; 2364 2365 static bitmask_transtbl fcntl_flags_tbl[] = { 2366 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 2367 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 2368 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 2369 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 2370 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 2371 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 2372 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 2373 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 2374 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 2375 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 2376 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 2377 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 2378 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 2379 #if defined(O_DIRECT) 2380 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 2381 #endif 2382 { 0, 0, 0, 0 } 2383 }; 2384 2385 #if defined(TARGET_I386) 2386 2387 /* NOTE: there is really one LDT for all the threads */ 2388 uint8_t *ldt_table; 2389 2390 static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) 2391 { 2392 int size; 2393 void *p; 2394 2395 if (!ldt_table) 2396 return 0; 2397 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 2398 if (size > bytecount) 2399 size = bytecount; 2400 p = lock_user(VERIFY_WRITE, ptr, size, 0); 2401 if (!p) 2402 return -TARGET_EFAULT; 2403 /* ??? Should this by byteswapped? */ 2404 memcpy(p, ldt_table, size); 2405 unlock_user(p, ptr, size); 2406 return size; 2407 } 2408 2409 /* XXX: add locking support */ 2410 static abi_long write_ldt(CPUX86State *env, 2411 abi_ulong ptr, unsigned long bytecount, int oldmode) 2412 { 2413 struct target_modify_ldt_ldt_s ldt_info; 2414 struct target_modify_ldt_ldt_s *target_ldt_info; 2415 int seg_32bit, contents, read_exec_only, limit_in_pages; 2416 int seg_not_present, useable, lm; 2417 uint32_t *lp, entry_1, entry_2; 2418 2419 if (bytecount != sizeof(ldt_info)) 2420 return -TARGET_EINVAL; 2421 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) 2422 return -TARGET_EFAULT; 2423 ldt_info.entry_number = tswap32(target_ldt_info->entry_number); 2424 ldt_info.base_addr = tswapl(target_ldt_info->base_addr); 2425 ldt_info.limit = tswap32(target_ldt_info->limit); 2426 ldt_info.flags = tswap32(target_ldt_info->flags); 2427 unlock_user_struct(target_ldt_info, ptr, 0); 2428 2429 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 2430 return -TARGET_EINVAL; 2431 seg_32bit = ldt_info.flags & 1; 2432 contents = (ldt_info.flags >> 1) & 3; 2433 read_exec_only = (ldt_info.flags >> 3) & 1; 2434 limit_in_pages = (ldt_info.flags >> 4) & 1; 2435 seg_not_present = (ldt_info.flags >> 5) & 1; 2436 useable = (ldt_info.flags >> 6) & 1; 2437 #ifdef TARGET_ABI32 2438 lm = 0; 2439 #else 2440 lm = (ldt_info.flags >> 7) & 1; 2441 #endif 2442 if (contents == 3) { 2443 if (oldmode) 2444 return -TARGET_EINVAL; 2445 if (seg_not_present == 0) 2446 return -TARGET_EINVAL; 2447 } 2448 /* allocate the LDT */ 2449 if (!ldt_table) { 2450 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2451 if (!ldt_table) 2452 return -TARGET_ENOMEM; 2453 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 2454 env->ldt.base = h2g((unsigned long)ldt_table); 2455 env->ldt.limit = 0xffff; 2456 } 2457 2458 /* NOTE: same code as Linux kernel */ 2459 /* Allow LDTs to be cleared by the user. */ 2460 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 2461 if (oldmode || 2462 (contents == 0 && 2463 read_exec_only == 1 && 2464 seg_32bit == 0 && 2465 limit_in_pages == 0 && 2466 seg_not_present == 1 && 2467 useable == 0 )) { 2468 entry_1 = 0; 2469 entry_2 = 0; 2470 goto install; 2471 } 2472 } 2473 2474 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 2475 (ldt_info.limit & 0x0ffff); 2476 entry_2 = (ldt_info.base_addr & 0xff000000) | 2477 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 2478 (ldt_info.limit & 0xf0000) | 2479 ((read_exec_only ^ 1) << 9) | 2480 (contents << 10) | 2481 ((seg_not_present ^ 1) << 15) | 2482 (seg_32bit << 22) | 2483 (limit_in_pages << 23) | 2484 (lm << 21) | 2485 0x7000; 2486 if (!oldmode) 2487 entry_2 |= (useable << 20); 2488 2489 /* Install the new entry ... */ 2490 install: 2491 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 2492 lp[0] = tswap32(entry_1); 2493 lp[1] = tswap32(entry_2); 2494 return 0; 2495 } 2496 2497 /* specific and weird i386 syscalls */ 2498 abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, 2499 unsigned long bytecount) 2500 { 2501 abi_long ret; 2502 2503 switch (func) { 2504 case 0: 2505 ret = read_ldt(ptr, bytecount); 2506 break; 2507 case 1: 2508 ret = write_ldt(env, ptr, bytecount, 1); 2509 break; 2510 case 0x11: 2511 ret = write_ldt(env, ptr, bytecount, 0); 2512 break; 2513 default: 2514 ret = -TARGET_ENOSYS; 2515 break; 2516 } 2517 return ret; 2518 } 2519 2520 abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) 2521 { 2522 uint64_t *gdt_table = g2h(env->gdt.base); 2523 struct target_modify_ldt_ldt_s ldt_info; 2524 struct target_modify_ldt_ldt_s *target_ldt_info; 2525 int seg_32bit, contents, read_exec_only, limit_in_pages; 2526 int seg_not_present, useable, lm; 2527 uint32_t *lp, entry_1, entry_2; 2528 int i; 2529 2530 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); 2531 if (!target_ldt_info) 2532 return -TARGET_EFAULT; 2533 ldt_info.entry_number = tswap32(target_ldt_info->entry_number); 2534 ldt_info.base_addr = tswapl(target_ldt_info->base_addr); 2535 ldt_info.limit = tswap32(target_ldt_info->limit); 2536 ldt_info.flags = tswap32(target_ldt_info->flags); 2537 if (ldt_info.entry_number == -1) { 2538 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { 2539 if (gdt_table[i] == 0) { 2540 ldt_info.entry_number = i; 2541 target_ldt_info->entry_number = tswap32(i); 2542 break; 2543 } 2544 } 2545 } 2546 unlock_user_struct(target_ldt_info, ptr, 1); 2547 2548 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || 2549 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) 2550 return -TARGET_EINVAL; 2551 seg_32bit = ldt_info.flags & 1; 2552 contents = (ldt_info.flags >> 1) & 3; 2553 read_exec_only = (ldt_info.flags >> 3) & 1; 2554 limit_in_pages = (ldt_info.flags >> 4) & 1; 2555 seg_not_present = (ldt_info.flags >> 5) & 1; 2556 useable = (ldt_info.flags >> 6) & 1; 2557 #ifdef TARGET_ABI32 2558 lm = 0; 2559 #else 2560 lm = (ldt_info.flags >> 7) & 1; 2561 #endif 2562 2563 if (contents == 3) { 2564 if (seg_not_present == 0) 2565 return -TARGET_EINVAL; 2566 } 2567 2568 /* NOTE: same code as Linux kernel */ 2569 /* Allow LDTs to be cleared by the user. */ 2570 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 2571 if ((contents == 0 && 2572 read_exec_only == 1 && 2573 seg_32bit == 0 && 2574 limit_in_pages == 0 && 2575 seg_not_present == 1 && 2576 useable == 0 )) { 2577 entry_1 = 0; 2578 entry_2 = 0; 2579 goto install; 2580 } 2581 } 2582 2583 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 2584 (ldt_info.limit & 0x0ffff); 2585 entry_2 = (ldt_info.base_addr & 0xff000000) | 2586 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 2587 (ldt_info.limit & 0xf0000) | 2588 ((read_exec_only ^ 1) << 9) | 2589 (contents << 10) | 2590 ((seg_not_present ^ 1) << 15) | 2591 (seg_32bit << 22) | 2592 (limit_in_pages << 23) | 2593 (useable << 20) | 2594 (lm << 21) | 2595 0x7000; 2596 2597 /* Install the new entry ... */ 2598 install: 2599 lp = (uint32_t *)(gdt_table + ldt_info.entry_number); 2600 lp[0] = tswap32(entry_1); 2601 lp[1] = tswap32(entry_2); 2602 return 0; 2603 } 2604 2605 abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) 2606 { 2607 struct target_modify_ldt_ldt_s *target_ldt_info; 2608 uint64_t *gdt_table = g2h(env->gdt.base); 2609 uint32_t base_addr, limit, flags; 2610 int seg_32bit, contents, read_exec_only, limit_in_pages, idx; 2611 int seg_not_present, useable, lm; 2612 uint32_t *lp, entry_1, entry_2; 2613 2614 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); 2615 if (!target_ldt_info) 2616 return -TARGET_EFAULT; 2617 idx = tswap32(target_ldt_info->entry_number); 2618 if (idx < TARGET_GDT_ENTRY_TLS_MIN || 2619 idx > TARGET_GDT_ENTRY_TLS_MAX) { 2620 unlock_user_struct(target_ldt_info, ptr, 1); 2621 return -TARGET_EINVAL; 2622 } 2623 lp = (uint32_t *)(gdt_table + idx); 2624 entry_1 = tswap32(lp[0]); 2625 entry_2 = tswap32(lp[1]); 2626 2627 read_exec_only = ((entry_2 >> 9) & 1) ^ 1; 2628 contents = (entry_2 >> 10) & 3; 2629 seg_not_present = ((entry_2 >> 15) & 1) ^ 1; 2630 seg_32bit = (entry_2 >> 22) & 1; 2631 limit_in_pages = (entry_2 >> 23) & 1; 2632 useable = (entry_2 >> 20) & 1; 2633 #ifdef TARGET_ABI32 2634 lm = 0; 2635 #else 2636 lm = (entry_2 >> 21) & 1; 2637 #endif 2638 flags = (seg_32bit << 0) | (contents << 1) | 2639 (read_exec_only << 3) | (limit_in_pages << 4) | 2640 (seg_not_present << 5) | (useable << 6) | (lm << 7); 2641 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); 2642 base_addr = (entry_1 >> 16) | 2643 (entry_2 & 0xff000000) | 2644 ((entry_2 & 0xff) << 16); 2645 target_ldt_info->base_addr = tswapl(base_addr); 2646 target_ldt_info->limit = tswap32(limit); 2647 target_ldt_info->flags = tswap32(flags); 2648 unlock_user_struct(target_ldt_info, ptr, 1); 2649 return 0; 2650 } 2651 2652 #ifndef TARGET_ABI32 2653 abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) 2654 { 2655 abi_long ret; 2656 abi_ulong val; 2657 int idx; 2658 2659 switch(code) { 2660 case TARGET_ARCH_SET_GS: 2661 case TARGET_ARCH_SET_FS: 2662 if (code == TARGET_ARCH_SET_GS) 2663 idx = R_GS; 2664 else 2665 idx = R_FS; 2666 cpu_x86_load_seg(env, idx, 0); 2667 env->segs[idx].base = addr; 2668 break; 2669 case TARGET_ARCH_GET_GS: 2670 case TARGET_ARCH_GET_FS: 2671 if (code == TARGET_ARCH_GET_GS) 2672 idx = R_GS; 2673 else 2674 idx = R_FS; 2675 val = env->segs[idx].base; 2676 if (put_user(val, addr, abi_ulong)) 2677 return -TARGET_EFAULT; 2678 break; 2679 default: 2680 ret = -TARGET_EINVAL; 2681 break; 2682 } 2683 return 0; 2684 } 2685 #endif 2686 2687 #endif /* defined(TARGET_I386) */ 2688 2689 /* this stack is the equivalent of the kernel stack associated with a 2690 thread/process */ 2691 #define NEW_STACK_SIZE 8192 2692 2693 static int clone_func(void *arg) 2694 { 2695 CPUState *env = arg; 2696 cpu_loop(env); 2697 /* never exits */ 2698 return 0; 2699 } 2700 2701 /* do_fork() Must return host values and target errnos (unlike most 2702 do_*() functions). */ 2703 int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp) 2704 { 2705 int ret; 2706 TaskState *ts; 2707 uint8_t *new_stack; 2708 CPUState *new_env; 2709 2710 if (flags & CLONE_VM) { 2711 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 2712 memset(ts, 0, sizeof(TaskState)); 2713 new_stack = ts->stack; 2714 ts->used = 1; 2715 /* add in task state list */ 2716 ts->next = first_task_state; 2717 first_task_state = ts; 2718 /* we create a new CPU instance. */ 2719 new_env = cpu_copy(env); 2720 #if defined(TARGET_I386) 2721 if (!newsp) 2722 newsp = env->regs[R_ESP]; 2723 new_env->regs[R_ESP] = newsp; 2724 new_env->regs[R_EAX] = 0; 2725 #elif defined(TARGET_ARM) 2726 if (!newsp) 2727 newsp = env->regs[13]; 2728 new_env->regs[13] = newsp; 2729 new_env->regs[0] = 0; 2730 #elif defined(TARGET_SPARC) 2731 if (!newsp) 2732 newsp = env->regwptr[22]; 2733 new_env->regwptr[22] = newsp; 2734 new_env->regwptr[0] = 0; 2735 /* XXXXX */ 2736 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 2737 #elif defined(TARGET_M68K) 2738 if (!newsp) 2739 newsp = env->aregs[7]; 2740 new_env->aregs[7] = newsp; 2741 new_env->dregs[0] = 0; 2742 /* ??? is this sufficient? */ 2743 #elif defined(TARGET_MIPS) 2744 if (!newsp) 2745 newsp = env->gpr[29][env->current_tc]; 2746 new_env->gpr[29][env->current_tc] = newsp; 2747 #elif defined(TARGET_PPC) 2748 if (!newsp) 2749 newsp = env->gpr[1]; 2750 new_env->gpr[1] = newsp; 2751 { 2752 int i; 2753 for (i = 7; i < 32; i++) 2754 new_env->gpr[i] = 0; 2755 } 2756 #elif defined(TARGET_SH4) 2757 if (!newsp) 2758 newsp = env->gregs[15]; 2759 new_env->gregs[15] = newsp; 2760 /* XXXXX */ 2761 #elif defined(TARGET_ALPHA) 2762 if (!newsp) 2763 newsp = env->ir[30]; 2764 new_env->ir[30] = newsp; 2765 /* ? */ 2766 { 2767 int i; 2768 for (i = 7; i < 30; i++) 2769 new_env->ir[i] = 0; 2770 } 2771 #elif defined(TARGET_CRIS) 2772 if (!newsp) 2773 newsp = env->regs[14]; 2774 new_env->regs[14] = newsp; 2775 #else 2776 #error unsupported target CPU 2777 #endif 2778 new_env->opaque = ts; 2779 #ifdef __ia64__ 2780 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2781 #else 2782 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 2783 #endif 2784 } else { 2785 /* if no CLONE_VM, we consider it is a fork */ 2786 if ((flags & ~CSIGNAL) != 0) 2787 return -EINVAL; 2788 ret = fork(); 2789 } 2790 return ret; 2791 } 2792 2793 static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) 2794 { 2795 struct flock fl; 2796 struct target_flock *target_fl; 2797 struct flock64 fl64; 2798 struct target_flock64 *target_fl64; 2799 abi_long ret; 2800 2801 switch(cmd) { 2802 case TARGET_F_GETLK: 2803 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) 2804 return -TARGET_EFAULT; 2805 fl.l_type = tswap16(target_fl->l_type); 2806 fl.l_whence = tswap16(target_fl->l_whence); 2807 fl.l_start = tswapl(target_fl->l_start); 2808 fl.l_len = tswapl(target_fl->l_len); 2809 fl.l_pid = tswapl(target_fl->l_pid); 2810 unlock_user_struct(target_fl, arg, 0); 2811 ret = get_errno(fcntl(fd, cmd, &fl)); 2812 if (ret == 0) { 2813 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) 2814 return -TARGET_EFAULT; 2815 target_fl->l_type = tswap16(fl.l_type); 2816 target_fl->l_whence = tswap16(fl.l_whence); 2817 target_fl->l_start = tswapl(fl.l_start); 2818 target_fl->l_len = tswapl(fl.l_len); 2819 target_fl->l_pid = tswapl(fl.l_pid); 2820 unlock_user_struct(target_fl, arg, 1); 2821 } 2822 break; 2823 2824 case TARGET_F_SETLK: 2825 case TARGET_F_SETLKW: 2826 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) 2827 return -TARGET_EFAULT; 2828 fl.l_type = tswap16(target_fl->l_type); 2829 fl.l_whence = tswap16(target_fl->l_whence); 2830 fl.l_start = tswapl(target_fl->l_start); 2831 fl.l_len = tswapl(target_fl->l_len); 2832 fl.l_pid = tswapl(target_fl->l_pid); 2833 unlock_user_struct(target_fl, arg, 0); 2834 ret = get_errno(fcntl(fd, cmd, &fl)); 2835 break; 2836 2837 case TARGET_F_GETLK64: 2838 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) 2839 return -TARGET_EFAULT; 2840 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2841 fl64.l_whence = tswap16(target_fl64->l_whence); 2842 fl64.l_start = tswapl(target_fl64->l_start); 2843 fl64.l_len = tswapl(target_fl64->l_len); 2844 fl64.l_pid = tswap16(target_fl64->l_pid); 2845 unlock_user_struct(target_fl64, arg, 0); 2846 ret = get_errno(fcntl(fd, cmd >> 1, &fl64)); 2847 if (ret == 0) { 2848 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) 2849 return -TARGET_EFAULT; 2850 target_fl64->l_type = tswap16(fl64.l_type) >> 1; 2851 target_fl64->l_whence = tswap16(fl64.l_whence); 2852 target_fl64->l_start = tswapl(fl64.l_start); 2853 target_fl64->l_len = tswapl(fl64.l_len); 2854 target_fl64->l_pid = tswapl(fl64.l_pid); 2855 unlock_user_struct(target_fl64, arg, 1); 2856 } 2857 break; 2858 case TARGET_F_SETLK64: 2859 case TARGET_F_SETLKW64: 2860 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) 2861 return -TARGET_EFAULT; 2862 fl64.l_type = tswap16(target_fl64->l_type) >> 1; 2863 fl64.l_whence = tswap16(target_fl64->l_whence); 2864 fl64.l_start = tswapl(target_fl64->l_start); 2865 fl64.l_len = tswapl(target_fl64->l_len); 2866 fl64.l_pid = tswap16(target_fl64->l_pid); 2867 unlock_user_struct(target_fl64, arg, 0); 2868 ret = get_errno(fcntl(fd, cmd >> 1, &fl64)); 2869 break; 2870 2871 case F_GETFL: 2872 ret = get_errno(fcntl(fd, cmd, arg)); 2873 if (ret >= 0) { 2874 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 2875 } 2876 break; 2877 2878 case F_SETFL: 2879 ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); 2880 break; 2881 2882 default: 2883 ret = get_errno(fcntl(fd, cmd, arg)); 2884 break; 2885 } 2886 return ret; 2887 } 2888 2889 #ifdef USE_UID16 2890 2891 static inline int high2lowuid(int uid) 2892 { 2893 if (uid > 65535) 2894 return 65534; 2895 else 2896 return uid; 2897 } 2898 2899 static inline int high2lowgid(int gid) 2900 { 2901 if (gid > 65535) 2902 return 65534; 2903 else 2904 return gid; 2905 } 2906 2907 static inline int low2highuid(int uid) 2908 { 2909 if ((int16_t)uid == -1) 2910 return -1; 2911 else 2912 return uid; 2913 } 2914 2915 static inline int low2highgid(int gid) 2916 { 2917 if ((int16_t)gid == -1) 2918 return -1; 2919 else 2920 return gid; 2921 } 2922 2923 #endif /* USE_UID16 */ 2924 2925 void syscall_init(void) 2926 { 2927 IOCTLEntry *ie; 2928 const argtype *arg_type; 2929 int size; 2930 int i; 2931 2932 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 2933 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 2934 #include "syscall_types.h" 2935 #undef STRUCT 2936 #undef STRUCT_SPECIAL 2937 2938 /* we patch the ioctl size if necessary. We rely on the fact that 2939 no ioctl has all the bits at '1' in the size field */ 2940 ie = ioctl_entries; 2941 while (ie->target_cmd != 0) { 2942 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 2943 TARGET_IOC_SIZEMASK) { 2944 arg_type = ie->arg_type; 2945 if (arg_type[0] != TYPE_PTR) { 2946 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 2947 ie->target_cmd); 2948 exit(1); 2949 } 2950 arg_type++; 2951 size = thunk_type_size(arg_type, 0); 2952 ie->target_cmd = (ie->target_cmd & 2953 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 2954 (size << TARGET_IOC_SIZESHIFT); 2955 } 2956 2957 /* Build target_to_host_errno_table[] table from 2958 * host_to_target_errno_table[]. */ 2959 for (i=0; i < ERRNO_TABLE_SIZE; i++) 2960 target_to_host_errno_table[host_to_target_errno_table[i]] = i; 2961 2962 /* automatic consistency check if same arch */ 2963 #if defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32) 2964 if (ie->target_cmd != ie->host_cmd) { 2965 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 2966 ie->target_cmd, ie->host_cmd); 2967 } 2968 #endif 2969 ie++; 2970 } 2971 } 2972 2973 #if TARGET_ABI_BITS == 32 2974 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) 2975 { 2976 #ifdef TARGET_WORDS_BIG_ENDIAN 2977 return ((uint64_t)word0 << 32) | word1; 2978 #else 2979 return ((uint64_t)word1 << 32) | word0; 2980 #endif 2981 } 2982 #else /* TARGET_ABI_BITS == 32 */ 2983 static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) 2984 { 2985 return word0; 2986 } 2987 #endif /* TARGET_ABI_BITS != 32 */ 2988 2989 #ifdef TARGET_NR_truncate64 2990 static inline abi_long target_truncate64(void *cpu_env, const char *arg1, 2991 abi_long arg2, 2992 abi_long arg3, 2993 abi_long arg4) 2994 { 2995 #ifdef TARGET_ARM 2996 if (((CPUARMState *)cpu_env)->eabi) 2997 { 2998 arg2 = arg3; 2999 arg3 = arg4; 3000 } 3001 #endif 3002 return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); 3003 } 3004 #endif 3005 3006 #ifdef TARGET_NR_ftruncate64 3007 static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, 3008 abi_long arg2, 3009 abi_long arg3, 3010 abi_long arg4) 3011 { 3012 #ifdef TARGET_ARM 3013 if (((CPUARMState *)cpu_env)->eabi) 3014 { 3015 arg2 = arg3; 3016 arg3 = arg4; 3017 } 3018 #endif 3019 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); 3020 } 3021 #endif 3022 3023 static inline abi_long target_to_host_timespec(struct timespec *host_ts, 3024 abi_ulong target_addr) 3025 { 3026 struct target_timespec *target_ts; 3027 3028 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) 3029 return -TARGET_EFAULT; 3030 host_ts->tv_sec = tswapl(target_ts->tv_sec); 3031 host_ts->tv_nsec = tswapl(target_ts->tv_nsec); 3032 unlock_user_struct(target_ts, target_addr, 0); 3033 } 3034 3035 static inline abi_long host_to_target_timespec(abi_ulong target_addr, 3036 struct timespec *host_ts) 3037 { 3038 struct target_timespec *target_ts; 3039 3040 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) 3041 return -TARGET_EFAULT; 3042 target_ts->tv_sec = tswapl(host_ts->tv_sec); 3043 target_ts->tv_nsec = tswapl(host_ts->tv_nsec); 3044 unlock_user_struct(target_ts, target_addr, 1); 3045 } 3046 3047 /* do_syscall() should always have a single exit point at the end so 3048 that actions, such as logging of syscall results, can be performed. 3049 All errnos that do_syscall() returns must be -TARGET_<errcode>. */ 3050 abi_long do_syscall(void *cpu_env, int num, abi_long arg1, 3051 abi_long arg2, abi_long arg3, abi_long arg4, 3052 abi_long arg5, abi_long arg6) 3053 { 3054 abi_long ret; 3055 struct stat st; 3056 struct statfs stfs; 3057 void *p; 3058 3059 #ifdef DEBUG 3060 gemu_log("syscall %d", num); 3061 #endif 3062 if(do_strace) 3063 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); 3064 3065 switch(num) { 3066 case TARGET_NR_exit: 3067 #ifdef HAVE_GPROF 3068 _mcleanup(); 3069 #endif 3070 gdb_exit(cpu_env, arg1); 3071 /* XXX: should free thread stack and CPU env */ 3072 _exit(arg1); 3073 ret = 0; /* avoid warning */ 3074 break; 3075 case TARGET_NR_read: 3076 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) 3077 goto efault; 3078 ret = get_errno(read(arg1, p, arg3)); 3079 unlock_user(p, arg2, ret); 3080 break; 3081 case TARGET_NR_write: 3082 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) 3083 goto efault; 3084 ret = get_errno(write(arg1, p, arg3)); 3085 unlock_user(p, arg2, 0); 3086 break; 3087 case TARGET_NR_open: 3088 if (!(p = lock_user_string(arg1))) 3089 goto efault; 3090 ret = get_errno(open(path(p), 3091 target_to_host_bitmask(arg2, fcntl_flags_tbl), 3092 arg3)); 3093 unlock_user(p, arg1, 0); 3094 break; 3095 #if defined(TARGET_NR_openat) && defined(__NR_openat) 3096 case TARGET_NR_openat: 3097 if (!(p = lock_user_string(arg2))) 3098 goto efault; 3099 ret = get_errno(sys_openat(arg1, 3100 path(p), 3101 target_to_host_bitmask(arg3, fcntl_flags_tbl), 3102 arg4)); 3103 unlock_user(p, arg2, 0); 3104 break; 3105 #endif 3106 case TARGET_NR_close: 3107 ret = get_errno(close(arg1)); 3108 break; 3109 case TARGET_NR_brk: 3110 ret = do_brk(arg1); 3111 break; 3112 case TARGET_NR_fork: 3113 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 3114 break; 3115 #ifdef TARGET_NR_waitpid 3116 case TARGET_NR_waitpid: 3117 { 3118 int status; 3119 ret = get_errno(waitpid(arg1, &status, arg3)); 3120 if (!is_error(ret) && arg2 3121 && put_user_s32(status, arg2)) 3122 goto efault; 3123 } 3124 break; 3125 #endif 3126 #ifdef TARGET_NR_creat /* not on alpha */ 3127 case TARGET_NR_creat: 3128 if (!(p = lock_user_string(arg1))) 3129 goto efault; 3130 ret = get_errno(creat(p, arg2)); 3131 unlock_user(p, arg1, 0); 3132 break; 3133 #endif 3134 case TARGET_NR_link: 3135 { 3136 void * p2; 3137 p = lock_user_string(arg1); 3138 p2 = lock_user_string(arg2); 3139 if (!p || !p2) 3140 ret = -TARGET_EFAULT; 3141 else 3142 ret = get_errno(link(p, p2)); 3143 unlock_user(p2, arg2, 0); 3144 unlock_user(p, arg1, 0); 3145 } 3146 break; 3147 #if defined(TARGET_NR_linkat) && defined(__NR_linkat) 3148 case TARGET_NR_linkat: 3149 { 3150 void * p2 = NULL; 3151 if (!arg2 || !arg4) 3152 goto efault; 3153 p = lock_user_string(arg2); 3154 p2 = lock_user_string(arg4); 3155 if (!p || !p2) 3156 ret = -TARGET_EFAULT; 3157 else 3158 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); 3159 unlock_user(p, arg2, 0); 3160 unlock_user(p2, arg4, 0); 3161 } 3162 break; 3163 #endif 3164 case TARGET_NR_unlink: 3165 if (!(p = lock_user_string(arg1))) 3166 goto efault; 3167 ret = get_errno(unlink(p)); 3168 unlock_user(p, arg1, 0); 3169 break; 3170 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) 3171 case TARGET_NR_unlinkat: 3172 if (!(p = lock_user_string(arg2))) 3173 goto efault; 3174 ret = get_errno(sys_unlinkat(arg1, p, arg3)); 3175 unlock_user(p, arg2, 0); 3176 #endif 3177 case TARGET_NR_execve: 3178 { 3179 char **argp, **envp; 3180 int argc, envc; 3181 abi_ulong gp; 3182 abi_ulong guest_argp; 3183 abi_ulong guest_envp; 3184 abi_ulong addr; 3185 char **q; 3186 3187 argc = 0; 3188 guest_argp = arg2; 3189 for (gp = guest_argp; ; gp++) { 3190 if (get_user_ual(guest_argp, gp)) 3191 goto efault; 3192 if (!guest_argp) 3193 break; 3194 argc++; 3195 } 3196 envc = 0; 3197 guest_envp = arg3; 3198 for (gp = guest_envp; ; gp++) { 3199 if (get_user_ual(guest_envp, gp)) 3200 goto efault; 3201 if (!guest_envp) 3202 break; 3203 envc++; 3204 } 3205 3206 argp = alloca((argc + 1) * sizeof(void *)); 3207 envp = alloca((envc + 1) * sizeof(void *)); 3208 3209 for (gp = guest_argp, q = argp; ; 3210 gp += sizeof(abi_ulong), q++) { 3211 if (get_user_ual(addr, gp)) 3212 goto execve_efault; 3213 if (!addr) 3214 break; 3215 if (!(*q = lock_user_string(addr))) 3216 goto execve_efault; 3217 } 3218 *q = NULL; 3219 3220 for (gp = guest_envp, q = envp; ; 3221 gp += sizeof(abi_ulong), q++) { 3222 if (get_user_ual(addr, gp)) 3223 goto execve_efault; 3224 if (!addr) 3225 break; 3226 if (!(*q = lock_user_string(addr))) 3227 goto execve_efault; 3228 } 3229 *q = NULL; 3230 3231 if (!(p = lock_user_string(arg1))) 3232 goto execve_efault; 3233 ret = get_errno(execve(p, argp, envp)); 3234 unlock_user(p, arg1, 0); 3235 3236 goto execve_end; 3237 3238 execve_efault: 3239 ret = -TARGET_EFAULT; 3240 3241 execve_end: 3242 for (gp = guest_argp, q = argp; *q; 3243 gp += sizeof(abi_ulong), q++) { 3244 if (get_user_ual(addr, gp) 3245 || !addr) 3246 break; 3247 unlock_user(*q, addr, 0); 3248 } 3249 for (gp = guest_envp, q = envp; *q; 3250 gp += sizeof(abi_ulong), q++) { 3251 if (get_user_ual(addr, gp) 3252 || !addr) 3253 break; 3254 unlock_user(*q, addr, 0); 3255 } 3256 } 3257 break; 3258 case TARGET_NR_chdir: 3259 if (!(p = lock_user_string(arg1))) 3260 goto efault; 3261 ret = get_errno(chdir(p)); 3262 unlock_user(p, arg1, 0); 3263 break; 3264 #ifdef TARGET_NR_time 3265 case TARGET_NR_time: 3266 { 3267 time_t host_time; 3268 ret = get_errno(time(&host_time)); 3269 if (!is_error(ret) 3270 && arg1 3271 && put_user_sal(host_time, arg1)) 3272 goto efault; 3273 } 3274 break; 3275 #endif 3276 case TARGET_NR_mknod: 3277 if (!(p = lock_user_string(arg1))) 3278 goto efault; 3279 ret = get_errno(mknod(p, arg2, arg3)); 3280 unlock_user(p, arg1, 0); 3281 break; 3282 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) 3283 case TARGET_NR_mknodat: 3284 if (!(p = lock_user_string(arg2))) 3285 goto efault; 3286 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); 3287 unlock_user(p, arg2, 0); 3288 break; 3289 #endif 3290 case TARGET_NR_chmod: 3291 if (!(p = lock_user_string(arg1))) 3292 goto efault; 3293 ret = get_errno(chmod(p, arg2)); 3294 unlock_user(p, arg1, 0); 3295 break; 3296 #ifdef TARGET_NR_break 3297 case TARGET_NR_break: 3298 goto unimplemented; 3299 #endif 3300 #ifdef TARGET_NR_oldstat 3301 case TARGET_NR_oldstat: 3302 goto unimplemented; 3303 #endif 3304 case TARGET_NR_lseek: 3305 ret = get_errno(lseek(arg1, arg2, arg3)); 3306 break; 3307 #ifdef TARGET_NR_getxpid 3308 case TARGET_NR_getxpid: 3309 #else 3310 case TARGET_NR_getpid: 3311 #endif 3312 ret = get_errno(getpid()); 3313 break; 3314 case TARGET_NR_mount: 3315 { 3316 /* need to look at the data field */ 3317 void *p2, *p3; 3318 p = lock_user_string(arg1); 3319 p2 = lock_user_string(arg2); 3320 p3 = lock_user_string(arg3); 3321 if (!p || !p2 || !p3) 3322 ret = -TARGET_EFAULT; 3323 else 3324 /* FIXME - arg5 should be locked, but it isn't clear how to 3325 * do that since it's not guaranteed to be a NULL-terminated 3326 * string. 3327 */ 3328 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5))); 3329 unlock_user(p, arg1, 0); 3330 unlock_user(p2, arg2, 0); 3331 unlock_user(p3, arg3, 0); 3332 break; 3333 } 3334 #ifdef TARGET_NR_umount 3335 case TARGET_NR_umount: 3336 if (!(p = lock_user_string(arg1))) 3337 goto efault; 3338 ret = get_errno(umount(p)); 3339 unlock_user(p, arg1, 0); 3340 break; 3341 #endif 3342 #ifdef TARGET_NR_stime /* not on alpha */ 3343 case TARGET_NR_stime: 3344 { 3345 time_t host_time; 3346 if (get_user_sal(host_time, arg1)) 3347 goto efault; 3348 ret = get_errno(stime(&host_time)); 3349 } 3350 break; 3351 #endif 3352 case TARGET_NR_ptrace: 3353 goto unimplemented; 3354 #ifdef TARGET_NR_alarm /* not on alpha */ 3355 case TARGET_NR_alarm: 3356 ret = alarm(arg1); 3357 break; 3358 #endif 3359 #ifdef TARGET_NR_oldfstat 3360 case TARGET_NR_oldfstat: 3361 goto unimplemented; 3362 #endif 3363 #ifdef TARGET_NR_pause /* not on alpha */ 3364 case TARGET_NR_pause: 3365 ret = get_errno(pause()); 3366 break; 3367 #endif 3368 #ifdef TARGET_NR_utime 3369 case TARGET_NR_utime: 3370 { 3371 struct utimbuf tbuf, *host_tbuf; 3372 struct target_utimbuf *target_tbuf; 3373 if (arg2) { 3374 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) 3375 goto efault; 3376 tbuf.actime = tswapl(target_tbuf->actime); 3377 tbuf.modtime = tswapl(target_tbuf->modtime); 3378 unlock_user_struct(target_tbuf, arg2, 0); 3379 host_tbuf = &tbuf; 3380 } else { 3381 host_tbuf = NULL; 3382 } 3383 if (!(p = lock_user_string(arg1))) 3384 goto efault; 3385 ret = get_errno(utime(p, host_tbuf)); 3386 unlock_user(p, arg1, 0); 3387 } 3388 break; 3389 #endif 3390 case TARGET_NR_utimes: 3391 { 3392 struct timeval *tvp, tv[2]; 3393 if (arg2) { 3394 target_to_host_timeval(&tv[0], arg2); 3395 target_to_host_timeval(&tv[1], 3396 arg2 + sizeof (struct target_timeval)); 3397 tvp = tv; 3398 } else { 3399 tvp = NULL; 3400 } 3401 if (!(p = lock_user_string(arg1))) 3402 goto efault; 3403 ret = get_errno(utimes(p, tvp)); 3404 unlock_user(p, arg1, 0); 3405 } 3406 break; 3407 #ifdef TARGET_NR_stty 3408 case TARGET_NR_stty: 3409 goto unimplemented; 3410 #endif 3411 #ifdef TARGET_NR_gtty 3412 case TARGET_NR_gtty: 3413 goto unimplemented; 3414 #endif 3415 case TARGET_NR_access: 3416 if (!(p = lock_user_string(arg1))) 3417 goto efault; 3418 ret = get_errno(access(p, arg2)); 3419 unlock_user(p, arg1, 0); 3420 break; 3421 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) 3422 case TARGET_NR_faccessat: 3423 if (!(p = lock_user_string(arg2))) 3424 goto efault; 3425 ret = get_errno(sys_faccessat(arg1, p, arg3, arg4)); 3426 unlock_user(p, arg2, 0); 3427 break; 3428 #endif 3429 #ifdef TARGET_NR_nice /* not on alpha */ 3430 case TARGET_NR_nice: 3431 ret = get_errno(nice(arg1)); 3432 break; 3433 #endif 3434 #ifdef TARGET_NR_ftime 3435 case TARGET_NR_ftime: 3436 goto unimplemented; 3437 #endif 3438 case TARGET_NR_sync: 3439 sync(); 3440 ret = 0; 3441 break; 3442 case TARGET_NR_kill: 3443 ret = get_errno(kill(arg1, arg2)); 3444 break; 3445 case TARGET_NR_rename: 3446 { 3447 void *p2; 3448 p = lock_user_string(arg1); 3449 p2 = lock_user_string(arg2); 3450 if (!p || !p2) 3451 ret = -TARGET_EFAULT; 3452 else 3453 ret = get_errno(rename(p, p2)); 3454 unlock_user(p2, arg2, 0); 3455 unlock_user(p, arg1, 0); 3456 } 3457 break; 3458 #if defined(TARGET_NR_renameat) && defined(__NR_renameat) 3459 case TARGET_NR_renameat: 3460 { 3461 void *p2; 3462 p = lock_user_string(arg2); 3463 p2 = lock_user_string(arg4); 3464 if (!p || !p2) 3465 ret = -TARGET_EFAULT; 3466 else 3467 ret = get_errno(sys_renameat(arg1, p, arg3, p2)); 3468 unlock_user(p2, arg4, 0); 3469 unlock_user(p, arg2, 0); 3470 } 3471 break; 3472 #endif 3473 case TARGET_NR_mkdir: 3474 if (!(p = lock_user_string(arg1))) 3475 goto efault; 3476 ret = get_errno(mkdir(p, arg2)); 3477 unlock_user(p, arg1, 0); 3478 break; 3479 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) 3480 case TARGET_NR_mkdirat: 3481 if (!(p = lock_user_string(arg2))) 3482 goto efault; 3483 ret = get_errno(sys_mkdirat(arg1, p, arg3)); 3484 unlock_user(p, arg2, 0); 3485 break; 3486 #endif 3487 case TARGET_NR_rmdir: 3488 if (!(p = lock_user_string(arg1))) 3489 goto efault; 3490 ret = get_errno(rmdir(p)); 3491 unlock_user(p, arg1, 0); 3492 break; 3493 case TARGET_NR_dup: 3494 ret = get_errno(dup(arg1)); 3495 break; 3496 case TARGET_NR_pipe: 3497 { 3498 int host_pipe[2]; 3499 ret = get_errno(pipe(host_pipe)); 3500 if (!is_error(ret)) { 3501 #if defined(TARGET_MIPS) 3502 CPUMIPSState *env = (CPUMIPSState*)cpu_env; 3503 env->gpr[3][env->current_tc] = host_pipe[1]; 3504 ret = host_pipe[0]; 3505 #else 3506 if (put_user_s32(host_pipe[0], arg1) 3507 || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0]))) 3508 goto efault; 3509 #endif 3510 } 3511 } 3512 break; 3513 case TARGET_NR_times: 3514 { 3515 struct target_tms *tmsp; 3516 struct tms tms; 3517 ret = get_errno(times(&tms)); 3518 if (arg1) { 3519 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); 3520 if (!tmsp) 3521 goto efault; 3522 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 3523 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 3524 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 3525 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 3526 } 3527 if (!is_error(ret)) 3528 ret = host_to_target_clock_t(ret); 3529 } 3530 break; 3531 #ifdef TARGET_NR_prof 3532 case TARGET_NR_prof: 3533 goto unimplemented; 3534 #endif 3535 #ifdef TARGET_NR_signal 3536 case TARGET_NR_signal: 3537 goto unimplemented; 3538 #endif 3539 case TARGET_NR_acct: 3540 if (!(p = lock_user_string(arg1))) 3541 goto efault; 3542 ret = get_errno(acct(path(p))); 3543 unlock_user(p, arg1, 0); 3544 break; 3545 #ifdef TARGET_NR_umount2 /* not on alpha */ 3546 case TARGET_NR_umount2: 3547 if (!(p = lock_user_string(arg1))) 3548 goto efault; 3549 ret = get_errno(umount2(p, arg2)); 3550 unlock_user(p, arg1, 0); 3551 break; 3552 #endif 3553 #ifdef TARGET_NR_lock 3554 case TARGET_NR_lock: 3555 goto unimplemented; 3556 #endif 3557 case TARGET_NR_ioctl: 3558 ret = do_ioctl(arg1, arg2, arg3); 3559 break; 3560 case TARGET_NR_fcntl: 3561 ret = do_fcntl(arg1, arg2, arg3); 3562 break; 3563 #ifdef TARGET_NR_mpx 3564 case TARGET_NR_mpx: 3565 goto unimplemented; 3566 #endif 3567 case TARGET_NR_setpgid: 3568 ret = get_errno(setpgid(arg1, arg2)); 3569 break; 3570 #ifdef TARGET_NR_ulimit 3571 case TARGET_NR_ulimit: 3572 goto unimplemented; 3573 #endif 3574 #ifdef TARGET_NR_oldolduname 3575 case TARGET_NR_oldolduname: 3576 goto unimplemented; 3577 #endif 3578 case TARGET_NR_umask: 3579 ret = get_errno(umask(arg1)); 3580 break; 3581 case TARGET_NR_chroot: 3582 if (!(p = lock_user_string(arg1))) 3583 goto efault; 3584 ret = get_errno(chroot(p)); 3585 unlock_user(p, arg1, 0); 3586 break; 3587 case TARGET_NR_ustat: 3588 goto unimplemented; 3589 case TARGET_NR_dup2: 3590 ret = get_errno(dup2(arg1, arg2)); 3591 break; 3592 #ifdef TARGET_NR_getppid /* not on alpha */ 3593 case TARGET_NR_getppid: 3594 ret = get_errno(getppid()); 3595 break; 3596 #endif 3597 case TARGET_NR_getpgrp: 3598 ret = get_errno(getpgrp()); 3599 break; 3600 case TARGET_NR_setsid: 3601 ret = get_errno(setsid()); 3602 break; 3603 #ifdef TARGET_NR_sigaction 3604 case TARGET_NR_sigaction: 3605 { 3606 #if !defined(TARGET_MIPS) 3607 struct target_old_sigaction *old_act; 3608 struct target_sigaction act, oact, *pact; 3609 if (arg2) { 3610 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) 3611 goto efault; 3612 act._sa_handler = old_act->_sa_handler; 3613 target_siginitset(&act.sa_mask, old_act->sa_mask); 3614 act.sa_flags = old_act->sa_flags; 3615 act.sa_restorer = old_act->sa_restorer; 3616 unlock_user_struct(old_act, arg2, 0); 3617 pact = &act; 3618 } else { 3619 pact = NULL; 3620 } 3621 ret = get_errno(do_sigaction(arg1, pact, &oact)); 3622 if (!is_error(ret) && arg3) { 3623 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) 3624 goto efault; 3625 old_act->_sa_handler = oact._sa_handler; 3626 old_act->sa_mask = oact.sa_mask.sig[0]; 3627 old_act->sa_flags = oact.sa_flags; 3628 old_act->sa_restorer = oact.sa_restorer; 3629 unlock_user_struct(old_act, arg3, 1); 3630 } 3631 #else 3632 struct target_sigaction act, oact, *pact, *old_act; 3633 3634 if (arg2) { 3635 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) 3636 goto efault; 3637 act._sa_handler = old_act->_sa_handler; 3638 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); 3639 act.sa_flags = old_act->sa_flags; 3640 unlock_user_struct(old_act, arg2, 0); 3641 pact = &act; 3642 } else { 3643 pact = NULL; 3644 } 3645 3646 ret = get_errno(do_sigaction(arg1, pact, &oact)); 3647 3648 if (!is_error(ret) && arg3) { 3649 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) 3650 goto efault; 3651 old_act->_sa_handler = oact._sa_handler; 3652 old_act->sa_flags = oact.sa_flags; 3653 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; 3654 old_act->sa_mask.sig[1] = 0; 3655 old_act->sa_mask.sig[2] = 0; 3656 old_act->sa_mask.sig[3] = 0; 3657 unlock_user_struct(old_act, arg3, 1); 3658 } 3659 #endif 3660 } 3661 break; 3662 #endif 3663 case TARGET_NR_rt_sigaction: 3664 { 3665 struct target_sigaction *act; 3666 struct target_sigaction *oact; 3667 3668 if (arg2) { 3669 if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) 3670 goto efault; 3671 } else 3672 act = NULL; 3673 if (arg3) { 3674 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { 3675 ret = -TARGET_EFAULT; 3676 goto rt_sigaction_fail; 3677 } 3678 } else 3679 oact = NULL; 3680 ret = get_errno(do_sigaction(arg1, act, oact)); 3681 rt_sigaction_fail: 3682 if (act) 3683 unlock_user_struct(act, arg2, 0); 3684 if (oact) 3685 unlock_user_struct(oact, arg3, 1); 3686 } 3687 break; 3688 #ifdef TARGET_NR_sgetmask /* not on alpha */ 3689 case TARGET_NR_sgetmask: 3690 { 3691 sigset_t cur_set; 3692 abi_ulong target_set; 3693 sigprocmask(0, NULL, &cur_set); 3694 host_to_target_old_sigset(&target_set, &cur_set); 3695 ret = target_set; 3696 } 3697 break; 3698 #endif 3699 #ifdef TARGET_NR_ssetmask /* not on alpha */ 3700 case TARGET_NR_ssetmask: 3701 { 3702 sigset_t set, oset, cur_set; 3703 abi_ulong target_set = arg1; 3704 sigprocmask(0, NULL, &cur_set); 3705 target_to_host_old_sigset(&set, &target_set); 3706 sigorset(&set, &set, &cur_set); 3707 sigprocmask(SIG_SETMASK, &set, &oset); 3708 host_to_target_old_sigset(&target_set, &oset); 3709 ret = target_set; 3710 } 3711 break; 3712 #endif 3713 #ifdef TARGET_NR_sigprocmask 3714 case TARGET_NR_sigprocmask: 3715 { 3716 int how = arg1; 3717 sigset_t set, oldset, *set_ptr; 3718 3719 if (arg2) { 3720 switch(how) { 3721 case TARGET_SIG_BLOCK: 3722 how = SIG_BLOCK; 3723 break; 3724 case TARGET_SIG_UNBLOCK: 3725 how = SIG_UNBLOCK; 3726 break; 3727 case TARGET_SIG_SETMASK: 3728 how = SIG_SETMASK; 3729 break; 3730 default: 3731 ret = -TARGET_EINVAL; 3732 goto fail; 3733 } 3734 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) 3735 goto efault; 3736 target_to_host_old_sigset(&set, p); 3737 unlock_user(p, arg2, 0); 3738 set_ptr = &set; 3739 } else { 3740 how = 0; 3741 set_ptr = NULL; 3742 } 3743 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 3744 if (!is_error(ret) && arg3) { 3745 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) 3746 goto efault; 3747 host_to_target_old_sigset(p, &oldset); 3748 unlock_user(p, arg3, sizeof(target_sigset_t)); 3749 } 3750 } 3751 break; 3752 #endif 3753 case TARGET_NR_rt_sigprocmask: 3754 { 3755 int how = arg1; 3756 sigset_t set, oldset, *set_ptr; 3757 3758 if (arg2) { 3759 switch(how) { 3760 case TARGET_SIG_BLOCK: 3761 how = SIG_BLOCK; 3762 break; 3763 case TARGET_SIG_UNBLOCK: 3764 how = SIG_UNBLOCK; 3765 break; 3766 case TARGET_SIG_SETMASK: 3767 how = SIG_SETMASK; 3768 break; 3769 default: 3770 ret = -TARGET_EINVAL; 3771 goto fail; 3772 } 3773 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) 3774 goto efault; 3775 target_to_host_sigset(&set, p); 3776 unlock_user(p, arg2, 0); 3777 set_ptr = &set; 3778 } else { 3779 how = 0; 3780 set_ptr = NULL; 3781 } 3782 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 3783 if (!is_error(ret) && arg3) { 3784 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) 3785 goto efault; 3786 host_to_target_sigset(p, &oldset); 3787 unlock_user(p, arg3, sizeof(target_sigset_t)); 3788 } 3789 } 3790 break; 3791 #ifdef TARGET_NR_sigpending 3792 case TARGET_NR_sigpending: 3793 { 3794 sigset_t set; 3795 ret = get_errno(sigpending(&set)); 3796 if (!is_error(ret)) { 3797 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) 3798 goto efault; 3799 host_to_target_old_sigset(p, &set); 3800 unlock_user(p, arg1, sizeof(target_sigset_t)); 3801 } 3802 } 3803 break; 3804 #endif 3805 case TARGET_NR_rt_sigpending: 3806 { 3807 sigset_t set; 3808 ret = get_errno(sigpending(&set)); 3809 if (!is_error(ret)) { 3810 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) 3811 goto efault; 3812 host_to_target_sigset(p, &set); 3813 unlock_user(p, arg1, sizeof(target_sigset_t)); 3814 } 3815 } 3816 break; 3817 #ifdef TARGET_NR_sigsuspend 3818 case TARGET_NR_sigsuspend: 3819 { 3820 sigset_t set; 3821 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) 3822 goto efault; 3823 target_to_host_old_sigset(&set, p); 3824 unlock_user(p, arg1, 0); 3825 ret = get_errno(sigsuspend(&set)); 3826 } 3827 break; 3828 #endif 3829 case TARGET_NR_rt_sigsuspend: 3830 { 3831 sigset_t set; 3832 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) 3833 goto efault; 3834 target_to_host_sigset(&set, p); 3835 unlock_user(p, arg1, 0); 3836 ret = get_errno(sigsuspend(&set)); 3837 } 3838 break; 3839 case TARGET_NR_rt_sigtimedwait: 3840 { 3841 sigset_t set; 3842 struct timespec uts, *puts; 3843 siginfo_t uinfo; 3844 3845 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) 3846 goto efault; 3847 target_to_host_sigset(&set, p); 3848 unlock_user(p, arg1, 0); 3849 if (arg3) { 3850 puts = &uts; 3851 target_to_host_timespec(puts, arg3); 3852 } else { 3853 puts = NULL; 3854 } 3855 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 3856 if (!is_error(ret) && arg2) { 3857 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_sigset_t), 0))) 3858 goto efault; 3859 host_to_target_siginfo(p, &uinfo); 3860 unlock_user(p, arg2, sizeof(target_sigset_t)); 3861 } 3862 } 3863 break; 3864 case TARGET_NR_rt_sigqueueinfo: 3865 { 3866 siginfo_t uinfo; 3867 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) 3868 goto efault; 3869 target_to_host_siginfo(&uinfo, p); 3870 unlock_user(p, arg1, 0); 3871 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 3872 } 3873 break; 3874 #ifdef TARGET_NR_sigreturn 3875 case TARGET_NR_sigreturn: 3876 /* NOTE: ret is eax, so not transcoding must be done */ 3877 ret = do_sigreturn(cpu_env); 3878 break; 3879 #endif 3880 case TARGET_NR_rt_sigreturn: 3881 /* NOTE: ret is eax, so not transcoding must be done */ 3882 ret = do_rt_sigreturn(cpu_env); 3883 break; 3884 case TARGET_NR_sethostname: 3885 if (!(p = lock_user_string(arg1))) 3886 goto efault; 3887 ret = get_errno(sethostname(p, arg2)); 3888 unlock_user(p, arg1, 0); 3889 break; 3890 case TARGET_NR_setrlimit: 3891 { 3892 /* XXX: convert resource ? */ 3893 int resource = arg1; 3894 struct target_rlimit *target_rlim; 3895 struct rlimit rlim; 3896 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) 3897 goto efault; 3898 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3899 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3900 unlock_user_struct(target_rlim, arg2, 0); 3901 ret = get_errno(setrlimit(resource, &rlim)); 3902 } 3903 break; 3904 case TARGET_NR_getrlimit: 3905 { 3906 /* XXX: convert resource ? */ 3907 int resource = arg1; 3908 struct target_rlimit *target_rlim; 3909 struct rlimit rlim; 3910 3911 ret = get_errno(getrlimit(resource, &rlim)); 3912 if (!is_error(ret)) { 3913 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) 3914 goto efault; 3915 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 3916 rlim.rlim_max = tswapl(target_rlim->rlim_max); 3917 unlock_user_struct(target_rlim, arg2, 1); 3918 } 3919 } 3920 break; 3921 case TARGET_NR_getrusage: 3922 { 3923 struct rusage rusage; 3924 ret = get_errno(getrusage(arg1, &rusage)); 3925 if (!is_error(ret)) { 3926 host_to_target_rusage(arg2, &rusage); 3927 } 3928 } 3929 break; 3930 case TARGET_NR_gettimeofday: 3931 { 3932 struct timeval tv; 3933 ret = get_errno(gettimeofday(&tv, NULL)); 3934 if (!is_error(ret)) { 3935 host_to_target_timeval(arg1, &tv); 3936 } 3937 } 3938 break; 3939 case TARGET_NR_settimeofday: 3940 { 3941 struct timeval tv; 3942 target_to_host_timeval(&tv, arg1); 3943 ret = get_errno(settimeofday(&tv, NULL)); 3944 } 3945 break; 3946 #ifdef TARGET_NR_select 3947 case TARGET_NR_select: 3948 { 3949 struct target_sel_arg_struct *sel; 3950 abi_ulong inp, outp, exp, tvp; 3951 long nsel; 3952 3953 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) 3954 goto efault; 3955 nsel = tswapl(sel->n); 3956 inp = tswapl(sel->inp); 3957 outp = tswapl(sel->outp); 3958 exp = tswapl(sel->exp); 3959 tvp = tswapl(sel->tvp); 3960 unlock_user_struct(sel, arg1, 0); 3961 ret = do_select(nsel, inp, outp, exp, tvp); 3962 } 3963 break; 3964 #endif 3965 case TARGET_NR_symlink: 3966 { 3967 void *p2; 3968 p = lock_user_string(arg1); 3969 p2 = lock_user_string(arg2); 3970 if (!p || !p2) 3971 ret = -TARGET_EFAULT; 3972 else 3973 ret = get_errno(symlink(p, p2)); 3974 unlock_user(p2, arg2, 0); 3975 unlock_user(p, arg1, 0); 3976 } 3977 break; 3978 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) 3979 case TARGET_NR_symlinkat: 3980 { 3981 void *p2; 3982 p = lock_user_string(arg1); 3983 p2 = lock_user_string(arg3); 3984 if (!p || !p2) 3985 ret = -TARGET_EFAULT; 3986 else 3987 ret = get_errno(sys_symlinkat(p, arg2, p2)); 3988 unlock_user(p2, arg3, 0); 3989 unlock_user(p, arg1, 0); 3990 } 3991 break; 3992 #endif 3993 #ifdef TARGET_NR_oldlstat 3994 case TARGET_NR_oldlstat: 3995 goto unimplemented; 3996 #endif 3997 case TARGET_NR_readlink: 3998 { 3999 void *p2; 4000 p = lock_user_string(arg1); 4001 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); 4002 if (!p || !p2) 4003 ret = -TARGET_EFAULT; 4004 else 4005 ret = get_errno(readlink(path(p), p2, arg3)); 4006 unlock_user(p2, arg2, ret); 4007 unlock_user(p, arg1, 0); 4008 } 4009 break; 4010 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat) 4011 case TARGET_NR_readlinkat: 4012 { 4013 void *p2; 4014 p = lock_user_string(arg2); 4015 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); 4016 if (!p || !p2) 4017 ret = -TARGET_EFAULT; 4018 else 4019 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); 4020 unlock_user(p2, arg3, ret); 4021 unlock_user(p, arg2, 0); 4022 } 4023 break; 4024 #endif 4025 #ifdef TARGET_NR_uselib 4026 case TARGET_NR_uselib: 4027 goto unimplemented; 4028 #endif 4029 #ifdef TARGET_NR_swapon 4030 case TARGET_NR_swapon: 4031 if (!(p = lock_user_string(arg1))) 4032 goto efault; 4033 ret = get_errno(swapon(p, arg2)); 4034 unlock_user(p, arg1, 0); 4035 break; 4036 #endif 4037 case TARGET_NR_reboot: 4038 goto unimplemented; 4039 #ifdef TARGET_NR_readdir 4040 case TARGET_NR_readdir: 4041 goto unimplemented; 4042 #endif 4043 #ifdef TARGET_NR_mmap 4044 case TARGET_NR_mmap: 4045 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) 4046 { 4047 abi_ulong *v; 4048 abi_ulong v1, v2, v3, v4, v5, v6; 4049 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) 4050 goto efault; 4051 v1 = tswapl(v[0]); 4052 v2 = tswapl(v[1]); 4053 v3 = tswapl(v[2]); 4054 v4 = tswapl(v[3]); 4055 v5 = tswapl(v[4]); 4056 v6 = tswapl(v[5]); 4057 unlock_user(v, arg1, 0); 4058 ret = get_errno(target_mmap(v1, v2, v3, 4059 target_to_host_bitmask(v4, mmap_flags_tbl), 4060 v5, v6)); 4061 } 4062 #else 4063 ret = get_errno(target_mmap(arg1, arg2, arg3, 4064 target_to_host_bitmask(arg4, mmap_flags_tbl), 4065 arg5, 4066 arg6)); 4067 #endif 4068 break; 4069 #endif 4070 #ifdef TARGET_NR_mmap2 4071 case TARGET_NR_mmap2: 4072 #if defined(TARGET_SPARC) || defined(TARGET_MIPS) 4073 #define MMAP_SHIFT 12 4074 #else 4075 #define MMAP_SHIFT TARGET_PAGE_BITS 4076 #endif 4077 ret = get_errno(target_mmap(arg1, arg2, arg3, 4078 target_to_host_bitmask(arg4, mmap_flags_tbl), 4079 arg5, 4080 arg6 << MMAP_SHIFT)); 4081 break; 4082 #endif 4083 case TARGET_NR_munmap: 4084 ret = get_errno(target_munmap(arg1, arg2)); 4085 break; 4086 case TARGET_NR_mprotect: 4087 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 4088 break; 4089 #ifdef TARGET_NR_mremap 4090 case TARGET_NR_mremap: 4091 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 4092 break; 4093 #endif 4094 /* ??? msync/mlock/munlock are broken for softmmu. */ 4095 #ifdef TARGET_NR_msync 4096 case TARGET_NR_msync: 4097 ret = get_errno(msync(g2h(arg1), arg2, arg3)); 4098 break; 4099 #endif 4100 #ifdef TARGET_NR_mlock 4101 case TARGET_NR_mlock: 4102 ret = get_errno(mlock(g2h(arg1), arg2)); 4103 break; 4104 #endif 4105 #ifdef TARGET_NR_munlock 4106 case TARGET_NR_munlock: 4107 ret = get_errno(munlock(g2h(arg1), arg2)); 4108 break; 4109 #endif 4110 #ifdef TARGET_NR_mlockall 4111 case TARGET_NR_mlockall: 4112 ret = get_errno(mlockall(arg1)); 4113 break; 4114 #endif 4115 #ifdef TARGET_NR_munlockall 4116 case TARGET_NR_munlockall: 4117 ret = get_errno(munlockall()); 4118 break; 4119 #endif 4120 case TARGET_NR_truncate: 4121 if (!(p = lock_user_string(arg1))) 4122 goto efault; 4123 ret = get_errno(truncate(p, arg2)); 4124 unlock_user(p, arg1, 0); 4125 break; 4126 case TARGET_NR_ftruncate: 4127 ret = get_errno(ftruncate(arg1, arg2)); 4128 break; 4129 case TARGET_NR_fchmod: 4130 ret = get_errno(fchmod(arg1, arg2)); 4131 break; 4132 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat) 4133 case TARGET_NR_fchmodat: 4134 if (!(p = lock_user_string(arg2))) 4135 goto efault; 4136 ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4)); 4137 unlock_user(p, arg2, 0); 4138 break; 4139 #endif 4140 case TARGET_NR_getpriority: 4141 /* libc does special remapping of the return value of 4142 * sys_getpriority() so it's just easiest to call 4143 * sys_getpriority() directly rather than through libc. */ 4144 ret = sys_getpriority(arg1, arg2); 4145 break; 4146 case TARGET_NR_setpriority: 4147 ret = get_errno(setpriority(arg1, arg2, arg3)); 4148 break; 4149 #ifdef TARGET_NR_profil 4150 case TARGET_NR_profil: 4151 goto unimplemented; 4152 #endif 4153 case TARGET_NR_statfs: 4154 if (!(p = lock_user_string(arg1))) 4155 goto efault; 4156 ret = get_errno(statfs(path(p), &stfs)); 4157 unlock_user(p, arg1, 0); 4158 convert_statfs: 4159 if (!is_error(ret)) { 4160 struct target_statfs *target_stfs; 4161 4162 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) 4163 goto efault; 4164 __put_user(stfs.f_type, &target_stfs->f_type); 4165 __put_user(stfs.f_bsize, &target_stfs->f_bsize); 4166 __put_user(stfs.f_blocks, &target_stfs->f_blocks); 4167 __put_user(stfs.f_bfree, &target_stfs->f_bfree); 4168 __put_user(stfs.f_bavail, &target_stfs->f_bavail); 4169 __put_user(stfs.f_files, &target_stfs->f_files); 4170 __put_user(stfs.f_ffree, &target_stfs->f_ffree); 4171 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); 4172 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); 4173 __put_user(stfs.f_namelen, &target_stfs->f_namelen); 4174 unlock_user_struct(target_stfs, arg2, 1); 4175 } 4176 break; 4177 case TARGET_NR_fstatfs: 4178 ret = get_errno(fstatfs(arg1, &stfs)); 4179 goto convert_statfs; 4180 #ifdef TARGET_NR_statfs64 4181 case TARGET_NR_statfs64: 4182 if (!(p = lock_user_string(arg1))) 4183 goto efault; 4184 ret = get_errno(statfs(path(p), &stfs)); 4185 unlock_user(p, arg1, 0); 4186 convert_statfs64: 4187 if (!is_error(ret)) { 4188 struct target_statfs64 *target_stfs; 4189 4190 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) 4191 goto efault; 4192 __put_user(stfs.f_type, &target_stfs->f_type); 4193 __put_user(stfs.f_bsize, &target_stfs->f_bsize); 4194 __put_user(stfs.f_blocks, &target_stfs->f_blocks); 4195 __put_user(stfs.f_bfree, &target_stfs->f_bfree); 4196 __put_user(stfs.f_bavail, &target_stfs->f_bavail); 4197 __put_user(stfs.f_files, &target_stfs->f_files); 4198 __put_user(stfs.f_ffree, &target_stfs->f_ffree); 4199 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); 4200 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); 4201 __put_user(stfs.f_namelen, &target_stfs->f_namelen); 4202 unlock_user_struct(target_stfs, arg3, 1); 4203 } 4204 break; 4205 case TARGET_NR_fstatfs64: 4206 ret = get_errno(fstatfs(arg1, &stfs)); 4207 goto convert_statfs64; 4208 #endif 4209 #ifdef TARGET_NR_ioperm 4210 case TARGET_NR_ioperm: 4211 goto unimplemented; 4212 #endif 4213 #ifdef TARGET_NR_socketcall 4214 case TARGET_NR_socketcall: 4215 ret = do_socketcall(arg1, arg2); 4216 break; 4217 #endif 4218 #ifdef TARGET_NR_accept 4219 case TARGET_NR_accept: 4220 ret = do_accept(arg1, arg2, arg3); 4221 break; 4222 #endif 4223 #ifdef TARGET_NR_bind 4224 case TARGET_NR_bind: 4225 ret = do_bind(arg1, arg2, arg3); 4226 break; 4227 #endif 4228 #ifdef TARGET_NR_connect 4229 case TARGET_NR_connect: 4230 ret = do_connect(arg1, arg2, arg3); 4231 break; 4232 #endif 4233 #ifdef TARGET_NR_getpeername 4234 case TARGET_NR_getpeername: 4235 ret = do_getpeername(arg1, arg2, arg3); 4236 break; 4237 #endif 4238 #ifdef TARGET_NR_getsockname 4239 case TARGET_NR_getsockname: 4240 ret = do_getsockname(arg1, arg2, arg3); 4241 break; 4242 #endif 4243 #ifdef TARGET_NR_getsockopt 4244 case TARGET_NR_getsockopt: 4245 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); 4246 break; 4247 #endif 4248 #ifdef TARGET_NR_listen 4249 case TARGET_NR_listen: 4250 ret = get_errno(listen(arg1, arg2)); 4251 break; 4252 #endif 4253 #ifdef TARGET_NR_recv 4254 case TARGET_NR_recv: 4255 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); 4256 break; 4257 #endif 4258 #ifdef TARGET_NR_recvfrom 4259 case TARGET_NR_recvfrom: 4260 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); 4261 break; 4262 #endif 4263 #ifdef TARGET_NR_recvmsg 4264 case TARGET_NR_recvmsg: 4265 ret = do_sendrecvmsg(arg1, arg2, arg3, 0); 4266 break; 4267 #endif 4268 #ifdef TARGET_NR_send 4269 case TARGET_NR_send: 4270 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); 4271 break; 4272 #endif 4273 #ifdef TARGET_NR_sendmsg 4274 case TARGET_NR_sendmsg: 4275 ret = do_sendrecvmsg(arg1, arg2, arg3, 1); 4276 break; 4277 #endif 4278 #ifdef TARGET_NR_sendto 4279 case TARGET_NR_sendto: 4280 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); 4281 break; 4282 #endif 4283 #ifdef TARGET_NR_shutdown 4284 case TARGET_NR_shutdown: 4285 ret = get_errno(shutdown(arg1, arg2)); 4286 break; 4287 #endif 4288 #ifdef TARGET_NR_socket 4289 case TARGET_NR_socket: 4290 ret = do_socket(arg1, arg2, arg3); 4291 break; 4292 #endif 4293 #ifdef TARGET_NR_socketpair 4294 case TARGET_NR_socketpair: 4295 ret = do_socketpair(arg1, arg2, arg3, arg4); 4296 break; 4297 #endif 4298 #ifdef TARGET_NR_setsockopt 4299 case TARGET_NR_setsockopt: 4300 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); 4301 break; 4302 #endif 4303 4304 case TARGET_NR_syslog: 4305 if (!(p = lock_user_string(arg2))) 4306 goto efault; 4307 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); 4308 unlock_user(p, arg2, 0); 4309 break; 4310 4311 case TARGET_NR_setitimer: 4312 { 4313 struct itimerval value, ovalue, *pvalue; 4314 4315 if (arg2) { 4316 pvalue = &value; 4317 target_to_host_timeval(&pvalue->it_interval, 4318 arg2); 4319 target_to_host_timeval(&pvalue->it_value, 4320 arg2 + sizeof(struct target_timeval)); 4321 } else { 4322 pvalue = NULL; 4323 } 4324 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 4325 if (!is_error(ret) && arg3) { 4326 host_to_target_timeval(arg3, 4327 &ovalue.it_interval); 4328 host_to_target_timeval(arg3 + sizeof(struct target_timeval), 4329 &ovalue.it_value); 4330 } 4331 } 4332 break; 4333 case TARGET_NR_getitimer: 4334 { 4335 struct itimerval value; 4336 4337 ret = get_errno(getitimer(arg1, &value)); 4338 if (!is_error(ret) && arg2) { 4339 host_to_target_timeval(arg2, 4340 &value.it_interval); 4341 host_to_target_timeval(arg2 + sizeof(struct target_timeval), 4342 &value.it_value); 4343 } 4344 } 4345 break; 4346 case TARGET_NR_stat: 4347 if (!(p = lock_user_string(arg1))) 4348 goto efault; 4349 ret = get_errno(stat(path(p), &st)); 4350 unlock_user(p, arg1, 0); 4351 goto do_stat; 4352 case TARGET_NR_lstat: 4353 if (!(p = lock_user_string(arg1))) 4354 goto efault; 4355 ret = get_errno(lstat(path(p), &st)); 4356 unlock_user(p, arg1, 0); 4357 goto do_stat; 4358 case TARGET_NR_fstat: 4359 { 4360 ret = get_errno(fstat(arg1, &st)); 4361 do_stat: 4362 if (!is_error(ret)) { 4363 struct target_stat *target_st; 4364 4365 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) 4366 goto efault; 4367 __put_user(st.st_dev, &target_st->st_dev); 4368 __put_user(st.st_ino, &target_st->st_ino); 4369 __put_user(st.st_mode, &target_st->st_mode); 4370 __put_user(st.st_uid, &target_st->st_uid); 4371 __put_user(st.st_gid, &target_st->st_gid); 4372 __put_user(st.st_nlink, &target_st->st_nlink); 4373 __put_user(st.st_rdev, &target_st->st_rdev); 4374 __put_user(st.st_size, &target_st->st_size); 4375 __put_user(st.st_blksize, &target_st->st_blksize); 4376 __put_user(st.st_blocks, &target_st->st_blocks); 4377 __put_user(st.st_atime, &target_st->target_st_atime); 4378 __put_user(st.st_mtime, &target_st->target_st_mtime); 4379 __put_user(st.st_ctime, &target_st->target_st_ctime); 4380 unlock_user_struct(target_st, arg2, 1); 4381 } 4382 } 4383 break; 4384 #ifdef TARGET_NR_olduname 4385 case TARGET_NR_olduname: 4386 goto unimplemented; 4387 #endif 4388 #ifdef TARGET_NR_iopl 4389 case TARGET_NR_iopl: 4390 goto unimplemented; 4391 #endif 4392 case TARGET_NR_vhangup: 4393 ret = get_errno(vhangup()); 4394 break; 4395 #ifdef TARGET_NR_idle 4396 case TARGET_NR_idle: 4397 goto unimplemented; 4398 #endif 4399 #ifdef TARGET_NR_syscall 4400 case TARGET_NR_syscall: 4401 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 4402 break; 4403 #endif 4404 case TARGET_NR_wait4: 4405 { 4406 int status; 4407 abi_long status_ptr = arg2; 4408 struct rusage rusage, *rusage_ptr; 4409 abi_ulong target_rusage = arg4; 4410 if (target_rusage) 4411 rusage_ptr = &rusage; 4412 else 4413 rusage_ptr = NULL; 4414 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 4415 if (!is_error(ret)) { 4416 if (status_ptr) { 4417 if (put_user_s32(status, status_ptr)) 4418 goto efault; 4419 } 4420 if (target_rusage) 4421 host_to_target_rusage(target_rusage, &rusage); 4422 } 4423 } 4424 break; 4425 #ifdef TARGET_NR_swapoff 4426 case TARGET_NR_swapoff: 4427 if (!(p = lock_user_string(arg1))) 4428 goto efault; 4429 ret = get_errno(swapoff(p)); 4430 unlock_user(p, arg1, 0); 4431 break; 4432 #endif 4433 case TARGET_NR_sysinfo: 4434 { 4435 struct target_sysinfo *target_value; 4436 struct sysinfo value; 4437 ret = get_errno(sysinfo(&value)); 4438 if (!is_error(ret) && arg1) 4439 { 4440 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) 4441 goto efault; 4442 __put_user(value.uptime, &target_value->uptime); 4443 __put_user(value.loads[0], &target_value->loads[0]); 4444 __put_user(value.loads[1], &target_value->loads[1]); 4445 __put_user(value.loads[2], &target_value->loads[2]); 4446 __put_user(value.totalram, &target_value->totalram); 4447 __put_user(value.freeram, &target_value->freeram); 4448 __put_user(value.sharedram, &target_value->sharedram); 4449 __put_user(value.bufferram, &target_value->bufferram); 4450 __put_user(value.totalswap, &target_value->totalswap); 4451 __put_user(value.freeswap, &target_value->freeswap); 4452 __put_user(value.procs, &target_value->procs); 4453 __put_user(value.totalhigh, &target_value->totalhigh); 4454 __put_user(value.freehigh, &target_value->freehigh); 4455 __put_user(value.mem_unit, &target_value->mem_unit); 4456 unlock_user_struct(target_value, arg1, 1); 4457 } 4458 } 4459 break; 4460 #ifdef TARGET_NR_ipc 4461 case TARGET_NR_ipc: 4462 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 4463 break; 4464 #endif 4465 case TARGET_NR_fsync: 4466 ret = get_errno(fsync(arg1)); 4467 break; 4468 case TARGET_NR_clone: 4469 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 4470 break; 4471 #ifdef __NR_exit_group 4472 /* new thread calls */ 4473 case TARGET_NR_exit_group: 4474 gdb_exit(cpu_env, arg1); 4475 ret = get_errno(exit_group(arg1)); 4476 break; 4477 #endif 4478 case TARGET_NR_setdomainname: 4479 if (!(p = lock_user_string(arg1))) 4480 goto efault; 4481 ret = get_errno(setdomainname(p, arg2)); 4482 unlock_user(p, arg1, 0); 4483 break; 4484 case TARGET_NR_uname: 4485 /* no need to transcode because we use the linux syscall */ 4486 { 4487 struct new_utsname * buf; 4488 4489 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) 4490 goto efault; 4491 ret = get_errno(sys_uname(buf)); 4492 if (!is_error(ret)) { 4493 /* Overrite the native machine name with whatever is being 4494 emulated. */ 4495 strcpy (buf->machine, UNAME_MACHINE); 4496 /* Allow the user to override the reported release. */ 4497 if (qemu_uname_release && *qemu_uname_release) 4498 strcpy (buf->release, qemu_uname_release); 4499 } 4500 unlock_user_struct(buf, arg1, 1); 4501 } 4502 break; 4503 #ifdef TARGET_I386 4504 case TARGET_NR_modify_ldt: 4505 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); 4506 break; 4507 #if !defined(TARGET_X86_64) 4508 case TARGET_NR_vm86old: 4509 goto unimplemented; 4510 case TARGET_NR_vm86: 4511 ret = do_vm86(cpu_env, arg1, arg2); 4512 break; 4513 #endif 4514 #endif 4515 case TARGET_NR_adjtimex: 4516 goto unimplemented; 4517 #ifdef TARGET_NR_create_module 4518 case TARGET_NR_create_module: 4519 #endif 4520 case TARGET_NR_init_module: 4521 case TARGET_NR_delete_module: 4522 #ifdef TARGET_NR_get_kernel_syms 4523 case TARGET_NR_get_kernel_syms: 4524 #endif 4525 goto unimplemented; 4526 case TARGET_NR_quotactl: 4527 goto unimplemented; 4528 case TARGET_NR_getpgid: 4529 ret = get_errno(getpgid(arg1)); 4530 break; 4531 case TARGET_NR_fchdir: 4532 ret = get_errno(fchdir(arg1)); 4533 break; 4534 #ifdef TARGET_NR_bdflush /* not on x86_64 */ 4535 case TARGET_NR_bdflush: 4536 goto unimplemented; 4537 #endif 4538 #ifdef TARGET_NR_sysfs 4539 case TARGET_NR_sysfs: 4540 goto unimplemented; 4541 #endif 4542 case TARGET_NR_personality: 4543 ret = get_errno(personality(arg1)); 4544 break; 4545 #ifdef TARGET_NR_afs_syscall 4546 case TARGET_NR_afs_syscall: 4547 goto unimplemented; 4548 #endif 4549 #ifdef TARGET_NR__llseek /* Not on alpha */ 4550 case TARGET_NR__llseek: 4551 { 4552 #if defined (__x86_64__) 4553 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 4554 if (put_user_s64(ret, arg4)) 4555 goto efault; 4556 #else 4557 int64_t res; 4558 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 4559 if (put_user_s64(res, arg4)) 4560 goto efault; 4561 #endif 4562 } 4563 break; 4564 #endif 4565 case TARGET_NR_getdents: 4566 #if TARGET_ABI_BITS != 32 4567 goto unimplemented; 4568 #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 4569 { 4570 struct target_dirent *target_dirp; 4571 struct dirent *dirp; 4572 abi_long count = arg3; 4573 4574 dirp = malloc(count); 4575 if (!dirp) { 4576 ret = -TARGET_ENOMEM; 4577 goto fail; 4578 } 4579 4580 ret = get_errno(sys_getdents(arg1, dirp, count)); 4581 if (!is_error(ret)) { 4582 struct dirent *de; 4583 struct target_dirent *tde; 4584 int len = ret; 4585 int reclen, treclen; 4586 int count1, tnamelen; 4587 4588 count1 = 0; 4589 de = dirp; 4590 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) 4591 goto efault; 4592 tde = target_dirp; 4593 while (len > 0) { 4594 reclen = de->d_reclen; 4595 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long))); 4596 tde->d_reclen = tswap16(treclen); 4597 tde->d_ino = tswapl(de->d_ino); 4598 tde->d_off = tswapl(de->d_off); 4599 tnamelen = treclen - (2 * sizeof(abi_long) + 2); 4600 if (tnamelen > 256) 4601 tnamelen = 256; 4602 /* XXX: may not be correct */ 4603 strncpy(tde->d_name, de->d_name, tnamelen); 4604 de = (struct dirent *)((char *)de + reclen); 4605 len -= reclen; 4606 tde = (struct target_dirent *)((char *)tde + treclen); 4607 count1 += treclen; 4608 } 4609 ret = count1; 4610 unlock_user(target_dirp, arg2, ret); 4611 } 4612 free(dirp); 4613 } 4614 #else 4615 { 4616 struct dirent *dirp; 4617 abi_long count = arg3; 4618 4619 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) 4620 goto efault; 4621 ret = get_errno(sys_getdents(arg1, dirp, count)); 4622 if (!is_error(ret)) { 4623 struct dirent *de; 4624 int len = ret; 4625 int reclen; 4626 de = dirp; 4627 while (len > 0) { 4628 reclen = de->d_reclen; 4629 if (reclen > len) 4630 break; 4631 de->d_reclen = tswap16(reclen); 4632 tswapls(&de->d_ino); 4633 tswapls(&de->d_off); 4634 de = (struct dirent *)((char *)de + reclen); 4635 len -= reclen; 4636 } 4637 } 4638 unlock_user(dirp, arg2, ret); 4639 } 4640 #endif 4641 break; 4642 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) 4643 case TARGET_NR_getdents64: 4644 { 4645 struct dirent64 *dirp; 4646 abi_long count = arg3; 4647 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) 4648 goto efault; 4649 ret = get_errno(sys_getdents64(arg1, dirp, count)); 4650 if (!is_error(ret)) { 4651 struct dirent64 *de; 4652 int len = ret; 4653 int reclen; 4654 de = dirp; 4655 while (len > 0) { 4656 reclen = de->d_reclen; 4657 if (reclen > len) 4658 break; 4659 de->d_reclen = tswap16(reclen); 4660 tswap64s((uint64_t *)&de->d_ino); 4661 tswap64s((uint64_t *)&de->d_off); 4662 de = (struct dirent64 *)((char *)de + reclen); 4663 len -= reclen; 4664 } 4665 } 4666 unlock_user(dirp, arg2, ret); 4667 } 4668 break; 4669 #endif /* TARGET_NR_getdents64 */ 4670 #ifdef TARGET_NR__newselect 4671 case TARGET_NR__newselect: 4672 ret = do_select(arg1, arg2, arg3, arg4, arg5); 4673 break; 4674 #endif 4675 #ifdef TARGET_NR_poll 4676 case TARGET_NR_poll: 4677 { 4678 struct target_pollfd *target_pfd; 4679 unsigned int nfds = arg2; 4680 int timeout = arg3; 4681 struct pollfd *pfd; 4682 unsigned int i; 4683 4684 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); 4685 if (!target_pfd) 4686 goto efault; 4687 pfd = alloca(sizeof(struct pollfd) * nfds); 4688 for(i = 0; i < nfds; i++) { 4689 pfd[i].fd = tswap32(target_pfd[i].fd); 4690 pfd[i].events = tswap16(target_pfd[i].events); 4691 } 4692 ret = get_errno(poll(pfd, nfds, timeout)); 4693 if (!is_error(ret)) { 4694 for(i = 0; i < nfds; i++) { 4695 target_pfd[i].revents = tswap16(pfd[i].revents); 4696 } 4697 ret += nfds * (sizeof(struct target_pollfd) 4698 - sizeof(struct pollfd)); 4699 } 4700 unlock_user(target_pfd, arg1, ret); 4701 } 4702 break; 4703 #endif 4704 case TARGET_NR_flock: 4705 /* NOTE: the flock constant seems to be the same for every 4706 Linux platform */ 4707 ret = get_errno(flock(arg1, arg2)); 4708 break; 4709 case TARGET_NR_readv: 4710 { 4711 int count = arg3; 4712 struct iovec *vec; 4713 4714 vec = alloca(count * sizeof(struct iovec)); 4715 lock_iovec(VERIFY_WRITE, vec, arg2, count, 0); 4716 ret = get_errno(readv(arg1, vec, count)); 4717 unlock_iovec(vec, arg2, count, 1); 4718 } 4719 break; 4720 case TARGET_NR_writev: 4721 { 4722 int count = arg3; 4723 struct iovec *vec; 4724 4725 vec = alloca(count * sizeof(struct iovec)); 4726 lock_iovec(VERIFY_READ, vec, arg2, count, 1); 4727 ret = get_errno(writev(arg1, vec, count)); 4728 unlock_iovec(vec, arg2, count, 0); 4729 } 4730 break; 4731 case TARGET_NR_getsid: 4732 ret = get_errno(getsid(arg1)); 4733 break; 4734 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ 4735 case TARGET_NR_fdatasync: 4736 ret = get_errno(fdatasync(arg1)); 4737 break; 4738 #endif 4739 case TARGET_NR__sysctl: 4740 /* We don't implement this, but ENOTDIR is always a safe 4741 return value. */ 4742 ret = -TARGET_ENOTDIR; 4743 break; 4744 case TARGET_NR_sched_setparam: 4745 { 4746 struct sched_param *target_schp; 4747 struct sched_param schp; 4748 4749 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) 4750 goto efault; 4751 schp.sched_priority = tswap32(target_schp->sched_priority); 4752 unlock_user_struct(target_schp, arg2, 0); 4753 ret = get_errno(sched_setparam(arg1, &schp)); 4754 } 4755 break; 4756 case TARGET_NR_sched_getparam: 4757 { 4758 struct sched_param *target_schp; 4759 struct sched_param schp; 4760 ret = get_errno(sched_getparam(arg1, &schp)); 4761 if (!is_error(ret)) { 4762 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) 4763 goto efault; 4764 target_schp->sched_priority = tswap32(schp.sched_priority); 4765 unlock_user_struct(target_schp, arg2, 1); 4766 } 4767 } 4768 break; 4769 case TARGET_NR_sched_setscheduler: 4770 { 4771 struct sched_param *target_schp; 4772 struct sched_param schp; 4773 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) 4774 goto efault; 4775 schp.sched_priority = tswap32(target_schp->sched_priority); 4776 unlock_user_struct(target_schp, arg3, 0); 4777 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 4778 } 4779 break; 4780 case TARGET_NR_sched_getscheduler: 4781 ret = get_errno(sched_getscheduler(arg1)); 4782 break; 4783 case TARGET_NR_sched_yield: 4784 ret = get_errno(sched_yield()); 4785 break; 4786 case TARGET_NR_sched_get_priority_max: 4787 ret = get_errno(sched_get_priority_max(arg1)); 4788 break; 4789 case TARGET_NR_sched_get_priority_min: 4790 ret = get_errno(sched_get_priority_min(arg1)); 4791 break; 4792 case TARGET_NR_sched_rr_get_interval: 4793 { 4794 struct timespec ts; 4795 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 4796 if (!is_error(ret)) { 4797 host_to_target_timespec(arg2, &ts); 4798 } 4799 } 4800 break; 4801 case TARGET_NR_nanosleep: 4802 { 4803 struct timespec req, rem; 4804 target_to_host_timespec(&req, arg1); 4805 ret = get_errno(nanosleep(&req, &rem)); 4806 if (is_error(ret) && arg2) { 4807 host_to_target_timespec(arg2, &rem); 4808 } 4809 } 4810 break; 4811 #ifdef TARGET_NR_query_module 4812 case TARGET_NR_query_module: 4813 goto unimplemented; 4814 #endif 4815 #ifdef TARGET_NR_nfsservctl 4816 case TARGET_NR_nfsservctl: 4817 goto unimplemented; 4818 #endif 4819 case TARGET_NR_prctl: 4820 switch (arg1) 4821 { 4822 case PR_GET_PDEATHSIG: 4823 { 4824 int deathsig; 4825 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); 4826 if (!is_error(ret) && arg2 4827 && put_user_ual(deathsig, arg2)) 4828 goto efault; 4829 } 4830 break; 4831 default: 4832 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); 4833 break; 4834 } 4835 break; 4836 #ifdef TARGET_NR_arch_prctl 4837 case TARGET_NR_arch_prctl: 4838 #if defined(TARGET_I386) && !defined(TARGET_ABI32) 4839 ret = do_arch_prctl(cpu_env, arg1, arg2); 4840 break; 4841 #else 4842 goto unimplemented; 4843 #endif 4844 #endif 4845 #ifdef TARGET_NR_pread 4846 case TARGET_NR_pread: 4847 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) 4848 goto efault; 4849 ret = get_errno(pread(arg1, p, arg3, arg4)); 4850 unlock_user(p, arg2, ret); 4851 break; 4852 case TARGET_NR_pwrite: 4853 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) 4854 goto efault; 4855 ret = get_errno(pwrite(arg1, p, arg3, arg4)); 4856 unlock_user(p, arg2, 0); 4857 break; 4858 #endif 4859 case TARGET_NR_getcwd: 4860 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) 4861 goto efault; 4862 ret = get_errno(sys_getcwd1(p, arg2)); 4863 unlock_user(p, arg1, ret); 4864 break; 4865 case TARGET_NR_capget: 4866 goto unimplemented; 4867 case TARGET_NR_capset: 4868 goto unimplemented; 4869 case TARGET_NR_sigaltstack: 4870 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \ 4871 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) 4872 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env)); 4873 break; 4874 #else 4875 goto unimplemented; 4876 #endif 4877 case TARGET_NR_sendfile: 4878 goto unimplemented; 4879 #ifdef TARGET_NR_getpmsg 4880 case TARGET_NR_getpmsg: 4881 goto unimplemented; 4882 #endif 4883 #ifdef TARGET_NR_putpmsg 4884 case TARGET_NR_putpmsg: 4885 goto unimplemented; 4886 #endif 4887 #ifdef TARGET_NR_vfork 4888 case TARGET_NR_vfork: 4889 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 4890 break; 4891 #endif 4892 #ifdef TARGET_NR_ugetrlimit 4893 case TARGET_NR_ugetrlimit: 4894 { 4895 struct rlimit rlim; 4896 ret = get_errno(getrlimit(arg1, &rlim)); 4897 if (!is_error(ret)) { 4898 struct target_rlimit *target_rlim; 4899 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) 4900 goto efault; 4901 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 4902 target_rlim->rlim_max = tswapl(rlim.rlim_max); 4903 unlock_user_struct(target_rlim, arg2, 1); 4904 } 4905 break; 4906 } 4907 #endif 4908 #ifdef TARGET_NR_truncate64 4909 case TARGET_NR_truncate64: 4910 if (!(p = lock_user_string(arg1))) 4911 goto efault; 4912 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); 4913 unlock_user(p, arg1, 0); 4914 break; 4915 #endif 4916 #ifdef TARGET_NR_ftruncate64 4917 case TARGET_NR_ftruncate64: 4918 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); 4919 break; 4920 #endif 4921 #ifdef TARGET_NR_stat64 4922 case TARGET_NR_stat64: 4923 if (!(p = lock_user_string(arg1))) 4924 goto efault; 4925 ret = get_errno(stat(path(p), &st)); 4926 unlock_user(p, arg1, 0); 4927 goto do_stat64; 4928 #endif 4929 #ifdef TARGET_NR_lstat64 4930 case TARGET_NR_lstat64: 4931 if (!(p = lock_user_string(arg1))) 4932 goto efault; 4933 ret = get_errno(lstat(path(p), &st)); 4934 unlock_user(p, arg1, 0); 4935 goto do_stat64; 4936 #endif 4937 #ifdef TARGET_NR_fstat64 4938 case TARGET_NR_fstat64: 4939 { 4940 ret = get_errno(fstat(arg1, &st)); 4941 do_stat64: 4942 if (!is_error(ret)) { 4943 #ifdef TARGET_ARM 4944 if (((CPUARMState *)cpu_env)->eabi) { 4945 struct target_eabi_stat64 *target_st; 4946 4947 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) 4948 goto efault; 4949 memset(target_st, 0, sizeof(struct target_eabi_stat64)); 4950 __put_user(st.st_dev, &target_st->st_dev); 4951 __put_user(st.st_ino, &target_st->st_ino); 4952 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4953 __put_user(st.st_ino, &target_st->__st_ino); 4954 #endif 4955 __put_user(st.st_mode, &target_st->st_mode); 4956 __put_user(st.st_nlink, &target_st->st_nlink); 4957 __put_user(st.st_uid, &target_st->st_uid); 4958 __put_user(st.st_gid, &target_st->st_gid); 4959 __put_user(st.st_rdev, &target_st->st_rdev); 4960 __put_user(st.st_size, &target_st->st_size); 4961 __put_user(st.st_blksize, &target_st->st_blksize); 4962 __put_user(st.st_blocks, &target_st->st_blocks); 4963 __put_user(st.st_atime, &target_st->target_st_atime); 4964 __put_user(st.st_mtime, &target_st->target_st_mtime); 4965 __put_user(st.st_ctime, &target_st->target_st_ctime); 4966 unlock_user_struct(target_st, arg2, 1); 4967 } else 4968 #endif 4969 { 4970 struct target_stat64 *target_st; 4971 4972 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) 4973 goto efault; 4974 memset(target_st, 0, sizeof(struct target_stat64)); 4975 __put_user(st.st_dev, &target_st->st_dev); 4976 __put_user(st.st_ino, &target_st->st_ino); 4977 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 4978 __put_user(st.st_ino, &target_st->__st_ino); 4979 #endif 4980 __put_user(st.st_mode, &target_st->st_mode); 4981 __put_user(st.st_nlink, &target_st->st_nlink); 4982 __put_user(st.st_uid, &target_st->st_uid); 4983 __put_user(st.st_gid, &target_st->st_gid); 4984 __put_user(st.st_rdev, &target_st->st_rdev); 4985 /* XXX: better use of kernel struct */ 4986 __put_user(st.st_size, &target_st->st_size); 4987 __put_user(st.st_blksize, &target_st->st_blksize); 4988 __put_user(st.st_blocks, &target_st->st_blocks); 4989 __put_user(st.st_atime, &target_st->target_st_atime); 4990 __put_user(st.st_mtime, &target_st->target_st_mtime); 4991 __put_user(st.st_ctime, &target_st->target_st_ctime); 4992 unlock_user_struct(target_st, arg2, 1); 4993 } 4994 } 4995 } 4996 break; 4997 #endif 4998 #ifdef USE_UID16 4999 case TARGET_NR_lchown: 5000 if (!(p = lock_user_string(arg1))) 5001 goto efault; 5002 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); 5003 unlock_user(p, arg1, 0); 5004 break; 5005 case TARGET_NR_getuid: 5006 ret = get_errno(high2lowuid(getuid())); 5007 break; 5008 case TARGET_NR_getgid: 5009 ret = get_errno(high2lowgid(getgid())); 5010 break; 5011 case TARGET_NR_geteuid: 5012 ret = get_errno(high2lowuid(geteuid())); 5013 break; 5014 case TARGET_NR_getegid: 5015 ret = get_errno(high2lowgid(getegid())); 5016 break; 5017 case TARGET_NR_setreuid: 5018 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 5019 break; 5020 case TARGET_NR_setregid: 5021 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 5022 break; 5023 case TARGET_NR_getgroups: 5024 { 5025 int gidsetsize = arg1; 5026 uint16_t *target_grouplist; 5027 gid_t *grouplist; 5028 int i; 5029 5030 grouplist = alloca(gidsetsize * sizeof(gid_t)); 5031 ret = get_errno(getgroups(gidsetsize, grouplist)); 5032 if (!is_error(ret)) { 5033 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0); 5034 if (!target_grouplist) 5035 goto efault; 5036 for(i = 0;i < gidsetsize; i++) 5037 target_grouplist[i] = tswap16(grouplist[i]); 5038 unlock_user(target_grouplist, arg2, gidsetsize * 2); 5039 } 5040 } 5041 break; 5042 case TARGET_NR_setgroups: 5043 { 5044 int gidsetsize = arg1; 5045 uint16_t *target_grouplist; 5046 gid_t *grouplist; 5047 int i; 5048 5049 grouplist = alloca(gidsetsize * sizeof(gid_t)); 5050 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1); 5051 if (!target_grouplist) { 5052 ret = -TARGET_EFAULT; 5053 goto fail; 5054 } 5055 for(i = 0;i < gidsetsize; i++) 5056 grouplist[i] = tswap16(target_grouplist[i]); 5057 unlock_user(target_grouplist, arg2, 0); 5058 ret = get_errno(setgroups(gidsetsize, grouplist)); 5059 } 5060 break; 5061 case TARGET_NR_fchown: 5062 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 5063 break; 5064 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) 5065 case TARGET_NR_fchownat: 5066 if (!(p = lock_user_string(arg2))) 5067 goto efault; 5068 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); 5069 unlock_user(p, arg2, 0); 5070 break; 5071 #endif 5072 #ifdef TARGET_NR_setresuid 5073 case TARGET_NR_setresuid: 5074 ret = get_errno(setresuid(low2highuid(arg1), 5075 low2highuid(arg2), 5076 low2highuid(arg3))); 5077 break; 5078 #endif 5079 #ifdef TARGET_NR_getresuid 5080 case TARGET_NR_getresuid: 5081 { 5082 uid_t ruid, euid, suid; 5083 ret = get_errno(getresuid(&ruid, &euid, &suid)); 5084 if (!is_error(ret)) { 5085 if (put_user_u16(high2lowuid(ruid), arg1) 5086 || put_user_u16(high2lowuid(euid), arg2) 5087 || put_user_u16(high2lowuid(suid), arg3)) 5088 goto efault; 5089 } 5090 } 5091 break; 5092 #endif 5093 #ifdef TARGET_NR_getresgid 5094 case TARGET_NR_setresgid: 5095 ret = get_errno(setresgid(low2highgid(arg1), 5096 low2highgid(arg2), 5097 low2highgid(arg3))); 5098 break; 5099 #endif 5100 #ifdef TARGET_NR_getresgid 5101 case TARGET_NR_getresgid: 5102 { 5103 gid_t rgid, egid, sgid; 5104 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 5105 if (!is_error(ret)) { 5106 if (put_user_u16(high2lowgid(rgid), arg1) 5107 || put_user_u16(high2lowgid(egid), arg2) 5108 || put_user_u16(high2lowgid(sgid), arg3)) 5109 goto efault; 5110 } 5111 } 5112 break; 5113 #endif 5114 case TARGET_NR_chown: 5115 if (!(p = lock_user_string(arg1))) 5116 goto efault; 5117 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); 5118 unlock_user(p, arg1, 0); 5119 break; 5120 case TARGET_NR_setuid: 5121 ret = get_errno(setuid(low2highuid(arg1))); 5122 break; 5123 case TARGET_NR_setgid: 5124 ret = get_errno(setgid(low2highgid(arg1))); 5125 break; 5126 case TARGET_NR_setfsuid: 5127 ret = get_errno(setfsuid(arg1)); 5128 break; 5129 case TARGET_NR_setfsgid: 5130 ret = get_errno(setfsgid(arg1)); 5131 break; 5132 #endif /* USE_UID16 */ 5133 5134 #ifdef TARGET_NR_lchown32 5135 case TARGET_NR_lchown32: 5136 if (!(p = lock_user_string(arg1))) 5137 goto efault; 5138 ret = get_errno(lchown(p, arg2, arg3)); 5139 unlock_user(p, arg1, 0); 5140 break; 5141 #endif 5142 #ifdef TARGET_NR_getuid32 5143 case TARGET_NR_getuid32: 5144 ret = get_errno(getuid()); 5145 break; 5146 #endif 5147 #ifdef TARGET_NR_getgid32 5148 case TARGET_NR_getgid32: 5149 ret = get_errno(getgid()); 5150 break; 5151 #endif 5152 #ifdef TARGET_NR_geteuid32 5153 case TARGET_NR_geteuid32: 5154 ret = get_errno(geteuid()); 5155 break; 5156 #endif 5157 #ifdef TARGET_NR_getegid32 5158 case TARGET_NR_getegid32: 5159 ret = get_errno(getegid()); 5160 break; 5161 #endif 5162 #ifdef TARGET_NR_setreuid32 5163 case TARGET_NR_setreuid32: 5164 ret = get_errno(setreuid(arg1, arg2)); 5165 break; 5166 #endif 5167 #ifdef TARGET_NR_setregid32 5168 case TARGET_NR_setregid32: 5169 ret = get_errno(setregid(arg1, arg2)); 5170 break; 5171 #endif 5172 #ifdef TARGET_NR_getgroups32 5173 case TARGET_NR_getgroups32: 5174 { 5175 int gidsetsize = arg1; 5176 uint32_t *target_grouplist; 5177 gid_t *grouplist; 5178 int i; 5179 5180 grouplist = alloca(gidsetsize * sizeof(gid_t)); 5181 ret = get_errno(getgroups(gidsetsize, grouplist)); 5182 if (!is_error(ret)) { 5183 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); 5184 if (!target_grouplist) { 5185 ret = -TARGET_EFAULT; 5186 goto fail; 5187 } 5188 for(i = 0;i < gidsetsize; i++) 5189 target_grouplist[i] = tswap32(grouplist[i]); 5190 unlock_user(target_grouplist, arg2, gidsetsize * 4); 5191 } 5192 } 5193 break; 5194 #endif 5195 #ifdef TARGET_NR_setgroups32 5196 case TARGET_NR_setgroups32: 5197 { 5198 int gidsetsize = arg1; 5199 uint32_t *target_grouplist; 5200 gid_t *grouplist; 5201 int i; 5202 5203 grouplist = alloca(gidsetsize * sizeof(gid_t)); 5204 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); 5205 if (!target_grouplist) { 5206 ret = -TARGET_EFAULT; 5207 goto fail; 5208 } 5209 for(i = 0;i < gidsetsize; i++) 5210 grouplist[i] = tswap32(target_grouplist[i]); 5211 unlock_user(target_grouplist, arg2, 0); 5212 ret = get_errno(setgroups(gidsetsize, grouplist)); 5213 } 5214 break; 5215 #endif 5216 #ifdef TARGET_NR_fchown32 5217 case TARGET_NR_fchown32: 5218 ret = get_errno(fchown(arg1, arg2, arg3)); 5219 break; 5220 #endif 5221 #ifdef TARGET_NR_setresuid32 5222 case TARGET_NR_setresuid32: 5223 ret = get_errno(setresuid(arg1, arg2, arg3)); 5224 break; 5225 #endif 5226 #ifdef TARGET_NR_getresuid32 5227 case TARGET_NR_getresuid32: 5228 { 5229 uid_t ruid, euid, suid; 5230 ret = get_errno(getresuid(&ruid, &euid, &suid)); 5231 if (!is_error(ret)) { 5232 if (put_user_u32(ruid, arg1) 5233 || put_user_u32(euid, arg2) 5234 || put_user_u32(suid, arg3)) 5235 goto efault; 5236 } 5237 } 5238 break; 5239 #endif 5240 #ifdef TARGET_NR_setresgid32 5241 case TARGET_NR_setresgid32: 5242 ret = get_errno(setresgid(arg1, arg2, arg3)); 5243 break; 5244 #endif 5245 #ifdef TARGET_NR_getresgid32 5246 case TARGET_NR_getresgid32: 5247 { 5248 gid_t rgid, egid, sgid; 5249 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 5250 if (!is_error(ret)) { 5251 if (put_user_u32(rgid, arg1) 5252 || put_user_u32(egid, arg2) 5253 || put_user_u32(sgid, arg3)) 5254 goto efault; 5255 } 5256 } 5257 break; 5258 #endif 5259 #ifdef TARGET_NR_chown32 5260 case TARGET_NR_chown32: 5261 if (!(p = lock_user_string(arg1))) 5262 goto efault; 5263 ret = get_errno(chown(p, arg2, arg3)); 5264 unlock_user(p, arg1, 0); 5265 break; 5266 #endif 5267 #ifdef TARGET_NR_setuid32 5268 case TARGET_NR_setuid32: 5269 ret = get_errno(setuid(arg1)); 5270 break; 5271 #endif 5272 #ifdef TARGET_NR_setgid32 5273 case TARGET_NR_setgid32: 5274 ret = get_errno(setgid(arg1)); 5275 break; 5276 #endif 5277 #ifdef TARGET_NR_setfsuid32 5278 case TARGET_NR_setfsuid32: 5279 ret = get_errno(setfsuid(arg1)); 5280 break; 5281 #endif 5282 #ifdef TARGET_NR_setfsgid32 5283 case TARGET_NR_setfsgid32: 5284 ret = get_errno(setfsgid(arg1)); 5285 break; 5286 #endif 5287 5288 case TARGET_NR_pivot_root: 5289 goto unimplemented; 5290 #ifdef TARGET_NR_mincore 5291 case TARGET_NR_mincore: 5292 goto unimplemented; 5293 #endif 5294 #ifdef TARGET_NR_madvise 5295 case TARGET_NR_madvise: 5296 /* A straight passthrough may not be safe because qemu sometimes 5297 turns private flie-backed mappings into anonymous mappings. 5298 This will break MADV_DONTNEED. 5299 This is a hint, so ignoring and returning success is ok. */ 5300 ret = get_errno(0); 5301 break; 5302 #endif 5303 #if TARGET_ABI_BITS == 32 5304 case TARGET_NR_fcntl64: 5305 { 5306 int cmd; 5307 struct flock64 fl; 5308 struct target_flock64 *target_fl; 5309 #ifdef TARGET_ARM 5310 struct target_eabi_flock64 *target_efl; 5311 #endif 5312 5313 switch(arg2){ 5314 case TARGET_F_GETLK64: 5315 cmd = F_GETLK64; 5316 break; 5317 case TARGET_F_SETLK64: 5318 cmd = F_SETLK64; 5319 break; 5320 case TARGET_F_SETLKW64: 5321 cmd = F_SETLK64; 5322 break; 5323 default: 5324 cmd = arg2; 5325 break; 5326 } 5327 5328 switch(arg2) { 5329 case TARGET_F_GETLK64: 5330 #ifdef TARGET_ARM 5331 if (((CPUARMState *)cpu_env)->eabi) { 5332 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) 5333 goto efault; 5334 fl.l_type = tswap16(target_efl->l_type); 5335 fl.l_whence = tswap16(target_efl->l_whence); 5336 fl.l_start = tswap64(target_efl->l_start); 5337 fl.l_len = tswap64(target_efl->l_len); 5338 fl.l_pid = tswapl(target_efl->l_pid); 5339 unlock_user_struct(target_efl, arg3, 0); 5340 } else 5341 #endif 5342 { 5343 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) 5344 goto efault; 5345 fl.l_type = tswap16(target_fl->l_type); 5346 fl.l_whence = tswap16(target_fl->l_whence); 5347 fl.l_start = tswap64(target_fl->l_start); 5348 fl.l_len = tswap64(target_fl->l_len); 5349 fl.l_pid = tswapl(target_fl->l_pid); 5350 unlock_user_struct(target_fl, arg3, 0); 5351 } 5352 ret = get_errno(fcntl(arg1, cmd, &fl)); 5353 if (ret == 0) { 5354 #ifdef TARGET_ARM 5355 if (((CPUARMState *)cpu_env)->eabi) { 5356 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) 5357 goto efault; 5358 target_efl->l_type = tswap16(fl.l_type); 5359 target_efl->l_whence = tswap16(fl.l_whence); 5360 target_efl->l_start = tswap64(fl.l_start); 5361 target_efl->l_len = tswap64(fl.l_len); 5362 target_efl->l_pid = tswapl(fl.l_pid); 5363 unlock_user_struct(target_efl, arg3, 1); 5364 } else 5365 #endif 5366 { 5367 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) 5368 goto efault; 5369 target_fl->l_type = tswap16(fl.l_type); 5370 target_fl->l_whence = tswap16(fl.l_whence); 5371 target_fl->l_start = tswap64(fl.l_start); 5372 target_fl->l_len = tswap64(fl.l_len); 5373 target_fl->l_pid = tswapl(fl.l_pid); 5374 unlock_user_struct(target_fl, arg3, 1); 5375 } 5376 } 5377 break; 5378 5379 case TARGET_F_SETLK64: 5380 case TARGET_F_SETLKW64: 5381 #ifdef TARGET_ARM 5382 if (((CPUARMState *)cpu_env)->eabi) { 5383 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) 5384 goto efault; 5385 fl.l_type = tswap16(target_efl->l_type); 5386 fl.l_whence = tswap16(target_efl->l_whence); 5387 fl.l_start = tswap64(target_efl->l_start); 5388 fl.l_len = tswap64(target_efl->l_len); 5389 fl.l_pid = tswapl(target_efl->l_pid); 5390 unlock_user_struct(target_efl, arg3, 0); 5391 } else 5392 #endif 5393 { 5394 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) 5395 goto efault; 5396 fl.l_type = tswap16(target_fl->l_type); 5397 fl.l_whence = tswap16(target_fl->l_whence); 5398 fl.l_start = tswap64(target_fl->l_start); 5399 fl.l_len = tswap64(target_fl->l_len); 5400 fl.l_pid = tswapl(target_fl->l_pid); 5401 unlock_user_struct(target_fl, arg3, 0); 5402 } 5403 ret = get_errno(fcntl(arg1, cmd, &fl)); 5404 break; 5405 default: 5406 ret = do_fcntl(arg1, cmd, arg3); 5407 break; 5408 } 5409 break; 5410 } 5411 #endif 5412 #ifdef TARGET_NR_cacheflush 5413 case TARGET_NR_cacheflush: 5414 /* self-modifying code is handled automatically, so nothing needed */ 5415 ret = 0; 5416 break; 5417 #endif 5418 #ifdef TARGET_NR_security 5419 case TARGET_NR_security: 5420 goto unimplemented; 5421 #endif 5422 #ifdef TARGET_NR_getpagesize 5423 case TARGET_NR_getpagesize: 5424 ret = TARGET_PAGE_SIZE; 5425 break; 5426 #endif 5427 case TARGET_NR_gettid: 5428 ret = get_errno(gettid()); 5429 break; 5430 #ifdef TARGET_NR_readahead 5431 case TARGET_NR_readahead: 5432 goto unimplemented; 5433 #endif 5434 #ifdef TARGET_NR_setxattr 5435 case TARGET_NR_setxattr: 5436 case TARGET_NR_lsetxattr: 5437 case TARGET_NR_fsetxattr: 5438 case TARGET_NR_getxattr: 5439 case TARGET_NR_lgetxattr: 5440 case TARGET_NR_fgetxattr: 5441 case TARGET_NR_listxattr: 5442 case TARGET_NR_llistxattr: 5443 case TARGET_NR_flistxattr: 5444 case TARGET_NR_removexattr: 5445 case TARGET_NR_lremovexattr: 5446 case TARGET_NR_fremovexattr: 5447 goto unimplemented_nowarn; 5448 #endif 5449 #ifdef TARGET_NR_set_thread_area 5450 case TARGET_NR_set_thread_area: 5451 #if defined(TARGET_MIPS) 5452 ((CPUMIPSState *) cpu_env)->tls_value = arg1; 5453 ret = 0; 5454 break; 5455 #elif defined(TARGET_I386) && defined(TARGET_ABI32) 5456 ret = do_set_thread_area(cpu_env, arg1); 5457 break; 5458 #else 5459 goto unimplemented_nowarn; 5460 #endif 5461 #endif 5462 #ifdef TARGET_NR_get_thread_area 5463 case TARGET_NR_get_thread_area: 5464 #if defined(TARGET_I386) && defined(TARGET_ABI32) 5465 ret = do_get_thread_area(cpu_env, arg1); 5466 #else 5467 goto unimplemented_nowarn; 5468 #endif 5469 #endif 5470 #ifdef TARGET_NR_getdomainname 5471 case TARGET_NR_getdomainname: 5472 goto unimplemented_nowarn; 5473 #endif 5474 5475 #ifdef TARGET_NR_clock_gettime 5476 case TARGET_NR_clock_gettime: 5477 { 5478 struct timespec ts; 5479 ret = get_errno(clock_gettime(arg1, &ts)); 5480 if (!is_error(ret)) { 5481 host_to_target_timespec(arg2, &ts); 5482 } 5483 break; 5484 } 5485 #endif 5486 #ifdef TARGET_NR_clock_getres 5487 case TARGET_NR_clock_getres: 5488 { 5489 struct timespec ts; 5490 ret = get_errno(clock_getres(arg1, &ts)); 5491 if (!is_error(ret)) { 5492 host_to_target_timespec(arg2, &ts); 5493 } 5494 break; 5495 } 5496 #endif 5497 5498 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) 5499 case TARGET_NR_set_tid_address: 5500 ret = get_errno(set_tid_address((int *)g2h(arg1))); 5501 break; 5502 #endif 5503 5504 #if defined(TARGET_NR_tkill) && defined(__NR_tkill) 5505 case TARGET_NR_tkill: 5506 ret = get_errno(sys_tkill((int)arg1, (int)arg2)); 5507 break; 5508 #endif 5509 5510 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) 5511 case TARGET_NR_tgkill: 5512 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3)); 5513 break; 5514 #endif 5515 5516 #ifdef TARGET_NR_set_robust_list 5517 case TARGET_NR_set_robust_list: 5518 goto unimplemented_nowarn; 5519 #endif 5520 5521 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat) 5522 case TARGET_NR_utimensat: 5523 { 5524 struct timespec ts[2]; 5525 target_to_host_timespec(ts, arg3); 5526 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); 5527 if (!arg2) 5528 ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4)); 5529 else { 5530 if (!(p = lock_user_string(arg2))) { 5531 ret = -TARGET_EFAULT; 5532 goto fail; 5533 } 5534 ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4)); 5535 unlock_user(p, arg2, 0); 5536 } 5537 } 5538 break; 5539 #endif 5540 5541 default: 5542 unimplemented: 5543 gemu_log("qemu: Unsupported syscall: %d\n", num); 5544 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) 5545 unimplemented_nowarn: 5546 #endif 5547 ret = -TARGET_ENOSYS; 5548 break; 5549 } 5550 fail: 5551 #ifdef DEBUG 5552 gemu_log(" = %ld\n", ret); 5553 #endif 5554 if(do_strace) 5555 print_syscall_ret(num, ret); 5556 return ret; 5557 efault: 5558 ret = -TARGET_EFAULT; 5559 goto fail; 5560 } 5561