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 <sys/types.h> 30 #include <sys/wait.h> 31 #include <sys/time.h> 32 #include <sys/stat.h> 33 #include <sys/mount.h> 34 #include <sys/resource.h> 35 #include <sys/mman.h> 36 #include <sys/swap.h> 37 #include <signal.h> 38 #include <sched.h> 39 #include <sys/socket.h> 40 #include <sys/uio.h> 41 #include <sys/poll.h> 42 //#include <sys/user.h> 43 44 #define termios host_termios 45 #define winsize host_winsize 46 #define termio host_termio 47 #define sgttyb host_sgttyb /* same as target */ 48 #define tchars host_tchars /* same as target */ 49 #define ltchars host_ltchars /* same as target */ 50 51 #include <linux/termios.h> 52 #include <linux/unistd.h> 53 #include <linux/utsname.h> 54 #include <linux/cdrom.h> 55 #include <linux/hdreg.h> 56 #include <linux/soundcard.h> 57 #include <linux/dirent.h> 58 59 #include "gemu.h" 60 61 //#define DEBUG 62 63 #ifndef PAGE_SIZE 64 #define PAGE_SIZE 4096 65 #define PAGE_MASK ~(PAGE_SIZE - 1) 66 #endif 67 68 //#include <linux/msdos_fs.h> 69 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) 70 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) 71 72 void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info); 73 void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo); 74 long do_sigreturn(CPUX86State *env); 75 long do_rt_sigreturn(CPUX86State *env); 76 77 #define __NR_sys_uname __NR_uname 78 #define __NR_sys_getcwd1 __NR_getcwd 79 #define __NR_sys_statfs __NR_statfs 80 #define __NR_sys_fstatfs __NR_fstatfs 81 #define __NR_sys_getdents __NR_getdents 82 #define __NR_sys_getdents64 __NR_getdents64 83 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo 84 85 #ifdef __NR_gettid 86 _syscall0(int, gettid) 87 #else 88 static int gettid(void) { 89 return -ENOSYS; 90 } 91 #endif 92 _syscall1(int,sys_uname,struct new_utsname *,buf) 93 _syscall2(int,sys_getcwd1,char *,buf,size_t,size) 94 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); 95 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count); 96 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, 97 loff_t *, res, uint, wh); 98 _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf) 99 _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf) 100 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) 101 102 extern int personality(int); 103 extern int flock(int, int); 104 extern int setfsuid(int); 105 extern int setfsgid(int); 106 107 static inline long get_errno(long ret) 108 { 109 if (ret == -1) 110 return -errno; 111 else 112 return ret; 113 } 114 115 static inline int is_error(long ret) 116 { 117 return (unsigned long)ret >= (unsigned long)(-4096); 118 } 119 120 static char *target_brk; 121 static char *target_original_brk; 122 123 void target_set_brk(char *new_brk) 124 { 125 target_brk = new_brk; 126 target_original_brk = new_brk; 127 } 128 129 static long do_brk(char *new_brk) 130 { 131 char *brk_page; 132 long mapped_addr; 133 int new_alloc_size; 134 135 if (!new_brk) 136 return (long)target_brk; 137 if (new_brk < target_original_brk) 138 return -ENOMEM; 139 140 brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK); 141 142 /* If the new brk is less than this, set it and we're done... */ 143 if (new_brk < brk_page) { 144 target_brk = new_brk; 145 return (long)target_brk; 146 } 147 148 /* We need to allocate more memory after the brk... */ 149 new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK; 150 mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size, 151 PROT_READ|PROT_WRITE, 152 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); 153 154 if (is_error(mapped_addr)) { 155 return mapped_addr; 156 } else { 157 target_brk = new_brk; 158 return (long)target_brk; 159 } 160 } 161 162 static inline fd_set *target_to_host_fds(fd_set *fds, 163 target_long *target_fds, int n) 164 { 165 #if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN) 166 return (fd_set *)target_fds; 167 #else 168 int i, b; 169 if (target_fds) { 170 FD_ZERO(fds); 171 for(i = 0;i < n; i++) { 172 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> 173 (i & (TARGET_LONG_BITS - 1))) & 1; 174 if (b) 175 FD_SET(i, fds); 176 } 177 return fds; 178 } else { 179 return NULL; 180 } 181 #endif 182 } 183 184 static inline void host_to_target_fds(target_long *target_fds, 185 fd_set *fds, int n) 186 { 187 #if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN) 188 /* nothing to do */ 189 #else 190 int i, nw, j, k; 191 target_long v; 192 193 if (target_fds) { 194 nw = n / TARGET_LONG_BITS; 195 k = 0; 196 for(i = 0;i < nw; i++) { 197 v = 0; 198 for(j = 0; j < TARGET_LONG_BITS; j++) { 199 v |= ((FD_ISSET(k, fds) != 0) << j); 200 k++; 201 } 202 target_fds[i] = tswapl(v); 203 } 204 } 205 #endif 206 } 207 208 static inline void target_to_host_timeval(struct timeval *tv, 209 struct target_timeval *target_tv) 210 { 211 tv->tv_sec = tswapl(target_tv->tv_sec); 212 tv->tv_usec = tswapl(target_tv->tv_usec); 213 } 214 215 static inline void host_to_target_timeval(struct target_timeval *target_tv, 216 struct timeval *tv) 217 { 218 target_tv->tv_sec = tswapl(tv->tv_sec); 219 target_tv->tv_usec = tswapl(tv->tv_usec); 220 } 221 222 223 static long do_select(long n, 224 target_long *target_rfds, target_long *target_wfds, 225 target_long *target_efds, struct target_timeval *target_tv) 226 { 227 fd_set rfds, wfds, efds; 228 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; 229 struct timeval tv, *tv_ptr; 230 long ret; 231 232 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); 233 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); 234 efds_ptr = target_to_host_fds(&efds, target_efds, n); 235 236 if (target_tv) { 237 tv.tv_sec = tswapl(target_tv->tv_sec); 238 tv.tv_usec = tswapl(target_tv->tv_usec); 239 tv_ptr = &tv; 240 } else { 241 tv_ptr = NULL; 242 } 243 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); 244 if (!is_error(ret)) { 245 host_to_target_fds(target_rfds, rfds_ptr, n); 246 host_to_target_fds(target_wfds, wfds_ptr, n); 247 host_to_target_fds(target_efds, efds_ptr, n); 248 249 if (target_tv) { 250 target_tv->tv_sec = tswapl(tv.tv_sec); 251 target_tv->tv_usec = tswapl(tv.tv_usec); 252 } 253 } 254 return ret; 255 } 256 257 static long do_socketcall(int num, long *vptr) 258 { 259 long ret; 260 261 switch(num) { 262 case SOCKOP_socket: 263 ret = get_errno(socket(vptr[0], vptr[1], vptr[2])); 264 break; 265 case SOCKOP_bind: 266 ret = get_errno(bind(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); 267 break; 268 case SOCKOP_connect: 269 ret = get_errno(connect(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); 270 break; 271 case SOCKOP_listen: 272 ret = get_errno(listen(vptr[0], vptr[1])); 273 break; 274 case SOCKOP_accept: 275 { 276 socklen_t size; 277 size = tswap32(*(int32_t *)vptr[2]); 278 ret = get_errno(accept(vptr[0], (struct sockaddr *)vptr[1], &size)); 279 if (!is_error(ret)) 280 *(int32_t *)vptr[2] = size; 281 } 282 break; 283 case SOCKOP_getsockname: 284 { 285 socklen_t size; 286 size = tswap32(*(int32_t *)vptr[2]); 287 ret = get_errno(getsockname(vptr[0], (struct sockaddr *)vptr[1], &size)); 288 if (!is_error(ret)) 289 *(int32_t *)vptr[2] = size; 290 } 291 break; 292 case SOCKOP_getpeername: 293 { 294 socklen_t size; 295 size = tswap32(*(int32_t *)vptr[2]); 296 ret = get_errno(getpeername(vptr[0], (struct sockaddr *)vptr[1], &size)); 297 if (!is_error(ret)) 298 *(int32_t *)vptr[2] = size; 299 } 300 break; 301 case SOCKOP_socketpair: 302 { 303 int tab[2]; 304 int32_t *target_tab = (int32_t *)vptr[3]; 305 ret = get_errno(socketpair(vptr[0], vptr[1], vptr[2], tab)); 306 if (!is_error(ret)) { 307 target_tab[0] = tswap32(tab[0]); 308 target_tab[1] = tswap32(tab[1]); 309 } 310 } 311 break; 312 case SOCKOP_send: 313 ret = get_errno(send(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); 314 break; 315 case SOCKOP_recv: 316 ret = get_errno(recv(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); 317 break; 318 case SOCKOP_sendto: 319 ret = get_errno(sendto(vptr[0], (void *)vptr[1], vptr[2], vptr[3], 320 (struct sockaddr *)vptr[4], vptr[5])); 321 break; 322 case SOCKOP_recvfrom: 323 { 324 socklen_t size; 325 size = tswap32(*(int32_t *)vptr[5]); 326 ret = get_errno(recvfrom(vptr[0], (void *)vptr[1], vptr[2], 327 vptr[3], (struct sockaddr *)vptr[4], &size)); 328 if (!is_error(ret)) 329 *(int32_t *)vptr[5] = size; 330 } 331 break; 332 case SOCKOP_shutdown: 333 ret = get_errno(shutdown(vptr[0], vptr[1])); 334 break; 335 case SOCKOP_sendmsg: 336 case SOCKOP_recvmsg: 337 { 338 int fd; 339 struct target_msghdr *msgp; 340 struct msghdr msg; 341 int flags, count, i; 342 struct iovec *vec; 343 struct target_iovec *target_vec; 344 345 msgp = (void *)vptr[1]; 346 msg.msg_name = (void *)tswapl(msgp->msg_name); 347 msg.msg_namelen = tswapl(msgp->msg_namelen); 348 msg.msg_control = (void *)tswapl(msgp->msg_control); 349 msg.msg_controllen = tswapl(msgp->msg_controllen); 350 msg.msg_flags = tswap32(msgp->msg_flags); 351 352 count = tswapl(msgp->msg_iovlen); 353 vec = alloca(count * sizeof(struct iovec)); 354 target_vec = (void *)tswapl(msgp->msg_iov); 355 for(i = 0;i < count; i++) { 356 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 357 vec[i].iov_len = tswapl(target_vec[i].iov_len); 358 } 359 msg.msg_iovlen = count; 360 msg.msg_iov = vec; 361 362 fd = vptr[0]; 363 flags = vptr[2]; 364 if (num == SOCKOP_sendmsg) 365 ret = sendmsg(fd, &msg, flags); 366 else 367 ret = recvmsg(fd, &msg, flags); 368 ret = get_errno(ret); 369 } 370 break; 371 case SOCKOP_setsockopt: 372 case SOCKOP_getsockopt: 373 default: 374 gemu_log("Unsupported socketcall: %d\n", num); 375 ret = -ENOSYS; 376 break; 377 } 378 return ret; 379 } 380 381 /* kernel structure types definitions */ 382 #define IFNAMSIZ 16 383 384 #define STRUCT(name, list...) STRUCT_ ## name, 385 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 386 enum { 387 #include "syscall_types.h" 388 }; 389 #undef STRUCT 390 #undef STRUCT_SPECIAL 391 392 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 393 #define STRUCT_SPECIAL(name) 394 #include "syscall_types.h" 395 #undef STRUCT 396 #undef STRUCT_SPECIAL 397 398 typedef struct IOCTLEntry { 399 int target_cmd; 400 int host_cmd; 401 const char *name; 402 int access; 403 const argtype arg_type[5]; 404 } IOCTLEntry; 405 406 #define IOC_R 0x0001 407 #define IOC_W 0x0002 408 #define IOC_RW (IOC_R | IOC_W) 409 410 #define MAX_STRUCT_SIZE 4096 411 412 const IOCTLEntry ioctl_entries[] = { 413 #define IOCTL(cmd, access, types...) \ 414 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 415 #include "ioctls.h" 416 { 0, 0, }, 417 }; 418 419 static long do_ioctl(long fd, long cmd, long arg) 420 { 421 const IOCTLEntry *ie; 422 const argtype *arg_type; 423 long ret; 424 uint8_t buf_temp[MAX_STRUCT_SIZE]; 425 426 ie = ioctl_entries; 427 for(;;) { 428 if (ie->target_cmd == 0) { 429 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); 430 return -ENOSYS; 431 } 432 if (ie->target_cmd == cmd) 433 break; 434 ie++; 435 } 436 arg_type = ie->arg_type; 437 #if defined(DEBUG) 438 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); 439 #endif 440 switch(arg_type[0]) { 441 case TYPE_NULL: 442 /* no argument */ 443 ret = get_errno(ioctl(fd, ie->host_cmd)); 444 break; 445 case TYPE_PTRVOID: 446 case TYPE_INT: 447 /* int argment */ 448 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 449 break; 450 case TYPE_PTR: 451 arg_type++; 452 switch(ie->access) { 453 case IOC_R: 454 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 455 if (!is_error(ret)) { 456 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 457 } 458 break; 459 case IOC_W: 460 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 461 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 462 break; 463 default: 464 case IOC_RW: 465 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 466 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 467 if (!is_error(ret)) { 468 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 469 } 470 break; 471 } 472 break; 473 default: 474 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); 475 ret = -ENOSYS; 476 break; 477 } 478 return ret; 479 } 480 481 bitmask_transtbl iflag_tbl[] = { 482 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 483 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 484 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 485 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 486 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 487 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 488 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 489 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 490 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 491 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 492 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 493 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 494 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 495 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 496 { 0, 0, 0, 0 } 497 }; 498 499 bitmask_transtbl oflag_tbl[] = { 500 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 501 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 502 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 503 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 504 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 505 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 506 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 507 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 508 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 509 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 510 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 511 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 512 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 513 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 514 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 515 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 516 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 517 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 518 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 519 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 520 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 521 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 522 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 523 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 524 { 0, 0, 0, 0 } 525 }; 526 527 bitmask_transtbl cflag_tbl[] = { 528 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 529 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 530 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 531 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 532 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 533 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 534 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 535 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 536 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 537 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 538 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 539 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 540 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 541 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 542 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 543 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 544 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 545 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 546 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 547 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 548 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 549 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 550 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 551 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 552 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 553 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 554 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 555 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 556 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 557 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 558 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 559 { 0, 0, 0, 0 } 560 }; 561 562 bitmask_transtbl lflag_tbl[] = { 563 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 564 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 565 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 566 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 567 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 568 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 569 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 570 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 571 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 572 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 573 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 574 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 575 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 576 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 577 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 578 { 0, 0, 0, 0 } 579 }; 580 581 static void target_to_host_termios (void *dst, const void *src) 582 { 583 struct host_termios *host = dst; 584 const struct target_termios *target = src; 585 586 host->c_iflag = 587 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 588 host->c_oflag = 589 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 590 host->c_cflag = 591 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 592 host->c_lflag = 593 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 594 host->c_line = target->c_line; 595 596 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 597 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 598 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 599 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 600 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 601 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 602 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 603 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 604 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 605 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 606 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 607 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 608 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 609 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 610 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 611 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 612 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 613 } 614 615 static void host_to_target_termios (void *dst, const void *src) 616 { 617 struct target_termios *target = dst; 618 const struct host_termios *host = src; 619 620 target->c_iflag = 621 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 622 target->c_oflag = 623 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 624 target->c_cflag = 625 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 626 target->c_lflag = 627 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 628 target->c_line = host->c_line; 629 630 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 631 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 632 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 633 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 634 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 635 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 636 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 637 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 638 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 639 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 640 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 641 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 642 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 643 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 644 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 645 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 646 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 647 } 648 649 StructEntry struct_termios_def = { 650 .convert = { host_to_target_termios, target_to_host_termios }, 651 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 652 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 653 }; 654 655 #ifdef TARGET_I386 656 657 /* NOTE: there is really one LDT for all the threads */ 658 uint8_t *ldt_table; 659 660 static int read_ldt(void *ptr, unsigned long bytecount) 661 { 662 int size; 663 664 if (!ldt_table) 665 return 0; 666 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 667 if (size > bytecount) 668 size = bytecount; 669 memcpy(ptr, ldt_table, size); 670 return size; 671 } 672 673 /* XXX: add locking support */ 674 static int write_ldt(CPUX86State *env, 675 void *ptr, unsigned long bytecount, int oldmode) 676 { 677 struct target_modify_ldt_ldt_s ldt_info; 678 int seg_32bit, contents, read_exec_only, limit_in_pages; 679 int seg_not_present, useable; 680 uint32_t *lp, entry_1, entry_2; 681 682 if (bytecount != sizeof(ldt_info)) 683 return -EINVAL; 684 memcpy(&ldt_info, ptr, sizeof(ldt_info)); 685 tswap32s(&ldt_info.entry_number); 686 tswapls((long *)&ldt_info.base_addr); 687 tswap32s(&ldt_info.limit); 688 tswap32s(&ldt_info.flags); 689 690 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 691 return -EINVAL; 692 seg_32bit = ldt_info.flags & 1; 693 contents = (ldt_info.flags >> 1) & 3; 694 read_exec_only = (ldt_info.flags >> 3) & 1; 695 limit_in_pages = (ldt_info.flags >> 4) & 1; 696 seg_not_present = (ldt_info.flags >> 5) & 1; 697 useable = (ldt_info.flags >> 6) & 1; 698 699 if (contents == 3) { 700 if (oldmode) 701 return -EINVAL; 702 if (seg_not_present == 0) 703 return -EINVAL; 704 } 705 /* allocate the LDT */ 706 if (!ldt_table) { 707 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 708 if (!ldt_table) 709 return -ENOMEM; 710 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 711 env->ldt.base = ldt_table; 712 env->ldt.limit = 0xffff; 713 } 714 715 /* NOTE: same code as Linux kernel */ 716 /* Allow LDTs to be cleared by the user. */ 717 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 718 if (oldmode || 719 (contents == 0 && 720 read_exec_only == 1 && 721 seg_32bit == 0 && 722 limit_in_pages == 0 && 723 seg_not_present == 1 && 724 useable == 0 )) { 725 entry_1 = 0; 726 entry_2 = 0; 727 goto install; 728 } 729 } 730 731 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 732 (ldt_info.limit & 0x0ffff); 733 entry_2 = (ldt_info.base_addr & 0xff000000) | 734 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 735 (ldt_info.limit & 0xf0000) | 736 ((read_exec_only ^ 1) << 9) | 737 (contents << 10) | 738 ((seg_not_present ^ 1) << 15) | 739 (seg_32bit << 22) | 740 (limit_in_pages << 23) | 741 0x7000; 742 if (!oldmode) 743 entry_2 |= (useable << 20); 744 745 /* Install the new entry ... */ 746 install: 747 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 748 lp[0] = tswap32(entry_1); 749 lp[1] = tswap32(entry_2); 750 return 0; 751 } 752 753 /* specific and weird i386 syscalls */ 754 int gemu_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount) 755 { 756 int ret = -ENOSYS; 757 758 switch (func) { 759 case 0: 760 ret = read_ldt(ptr, bytecount); 761 break; 762 case 1: 763 ret = write_ldt(env, ptr, bytecount, 1); 764 break; 765 case 0x11: 766 ret = write_ldt(env, ptr, bytecount, 0); 767 break; 768 } 769 return ret; 770 } 771 772 /* this stack is the equivalent of the kernel stack associated with a 773 thread/process */ 774 #define NEW_STACK_SIZE 8192 775 776 static int clone_func(void *arg) 777 { 778 CPUX86State *env = arg; 779 cpu_loop(env); 780 /* never exits */ 781 return 0; 782 } 783 784 int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp) 785 { 786 int ret; 787 uint8_t *new_stack; 788 CPUX86State *new_env; 789 790 if (flags & CLONE_VM) { 791 if (!newsp) 792 newsp = env->regs[R_ESP]; 793 new_stack = malloc(NEW_STACK_SIZE); 794 795 /* we create a new CPU instance. */ 796 new_env = cpu_x86_init(); 797 memcpy(new_env, env, sizeof(CPUX86State)); 798 new_env->regs[R_ESP] = newsp; 799 new_env->regs[R_EAX] = 0; 800 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 801 } else { 802 /* if no CLONE_VM, we consider it is a fork */ 803 if ((flags & ~CSIGNAL) != 0) 804 return -EINVAL; 805 ret = fork(); 806 } 807 return ret; 808 } 809 810 #endif 811 812 813 void syscall_init(void) 814 { 815 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 816 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 817 #include "syscall_types.h" 818 #undef STRUCT 819 #undef STRUCT_SPECIAL 820 } 821 822 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 823 long arg4, long arg5, long arg6) 824 { 825 long ret; 826 struct stat st; 827 struct kernel_statfs *stfs; 828 829 #ifdef DEBUG 830 gemu_log("syscall %d\n", num); 831 #endif 832 switch(num) { 833 case TARGET_NR_exit: 834 #ifdef HAVE_GPROF 835 _mcleanup(); 836 #endif 837 /* XXX: should free thread stack and CPU env */ 838 _exit(arg1); 839 ret = 0; /* avoid warning */ 840 break; 841 case TARGET_NR_read: 842 ret = get_errno(read(arg1, (void *)arg2, arg3)); 843 break; 844 case TARGET_NR_write: 845 ret = get_errno(write(arg1, (void *)arg2, arg3)); 846 break; 847 case TARGET_NR_open: 848 ret = get_errno(open((const char *)arg1, arg2, arg3)); 849 break; 850 case TARGET_NR_close: 851 ret = get_errno(close(arg1)); 852 break; 853 case TARGET_NR_brk: 854 ret = do_brk((char *)arg1); 855 break; 856 case TARGET_NR_fork: 857 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 858 break; 859 case TARGET_NR_waitpid: 860 { 861 int *status = (int *)arg2; 862 ret = get_errno(waitpid(arg1, status, arg3)); 863 if (!is_error(ret) && status) 864 tswapls((long *)&status); 865 } 866 break; 867 case TARGET_NR_creat: 868 ret = get_errno(creat((const char *)arg1, arg2)); 869 break; 870 case TARGET_NR_link: 871 ret = get_errno(link((const char *)arg1, (const char *)arg2)); 872 break; 873 case TARGET_NR_unlink: 874 ret = get_errno(unlink((const char *)arg1)); 875 break; 876 case TARGET_NR_execve: 877 ret = get_errno(execve((const char *)arg1, (void *)arg2, (void *)arg3)); 878 break; 879 case TARGET_NR_chdir: 880 ret = get_errno(chdir((const char *)arg1)); 881 break; 882 case TARGET_NR_time: 883 { 884 int *time_ptr = (int *)arg1; 885 ret = get_errno(time((time_t *)time_ptr)); 886 if (!is_error(ret) && time_ptr) 887 tswap32s(time_ptr); 888 } 889 break; 890 case TARGET_NR_mknod: 891 ret = get_errno(mknod((const char *)arg1, arg2, arg3)); 892 break; 893 case TARGET_NR_chmod: 894 ret = get_errno(chmod((const char *)arg1, arg2)); 895 break; 896 case TARGET_NR_lchown: 897 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 898 break; 899 case TARGET_NR_break: 900 goto unimplemented; 901 case TARGET_NR_oldstat: 902 goto unimplemented; 903 case TARGET_NR_lseek: 904 ret = get_errno(lseek(arg1, arg2, arg3)); 905 break; 906 case TARGET_NR_getpid: 907 ret = get_errno(getpid()); 908 break; 909 case TARGET_NR_mount: 910 /* need to look at the data field */ 911 goto unimplemented; 912 case TARGET_NR_umount: 913 ret = get_errno(umount((const char *)arg1)); 914 break; 915 case TARGET_NR_setuid: 916 ret = get_errno(setuid(arg1)); 917 break; 918 case TARGET_NR_getuid: 919 ret = get_errno(getuid()); 920 break; 921 case TARGET_NR_stime: 922 { 923 int *time_ptr = (int *)arg1; 924 if (time_ptr) 925 tswap32s(time_ptr); 926 ret = get_errno(stime((time_t *)time_ptr)); 927 } 928 break; 929 case TARGET_NR_ptrace: 930 goto unimplemented; 931 case TARGET_NR_alarm: 932 ret = alarm(arg1); 933 break; 934 case TARGET_NR_oldfstat: 935 goto unimplemented; 936 case TARGET_NR_pause: 937 ret = get_errno(pause()); 938 break; 939 case TARGET_NR_utime: 940 goto unimplemented; 941 case TARGET_NR_stty: 942 goto unimplemented; 943 case TARGET_NR_gtty: 944 goto unimplemented; 945 case TARGET_NR_access: 946 ret = get_errno(access((const char *)arg1, arg2)); 947 break; 948 case TARGET_NR_nice: 949 ret = get_errno(nice(arg1)); 950 break; 951 case TARGET_NR_ftime: 952 goto unimplemented; 953 case TARGET_NR_sync: 954 sync(); 955 ret = 0; 956 break; 957 case TARGET_NR_kill: 958 ret = get_errno(kill(arg1, arg2)); 959 break; 960 case TARGET_NR_rename: 961 ret = get_errno(rename((const char *)arg1, (const char *)arg2)); 962 break; 963 case TARGET_NR_mkdir: 964 ret = get_errno(mkdir((const char *)arg1, arg2)); 965 break; 966 case TARGET_NR_rmdir: 967 ret = get_errno(rmdir((const char *)arg1)); 968 break; 969 case TARGET_NR_dup: 970 ret = get_errno(dup(arg1)); 971 break; 972 case TARGET_NR_pipe: 973 { 974 int *pipe_ptr = (int *)arg1; 975 ret = get_errno(pipe(pipe_ptr)); 976 if (!is_error(ret)) { 977 tswap32s(&pipe_ptr[0]); 978 tswap32s(&pipe_ptr[1]); 979 } 980 } 981 break; 982 case TARGET_NR_times: 983 goto unimplemented; 984 case TARGET_NR_prof: 985 goto unimplemented; 986 case TARGET_NR_setgid: 987 ret = get_errno(setgid(arg1)); 988 break; 989 case TARGET_NR_getgid: 990 ret = get_errno(getgid()); 991 break; 992 case TARGET_NR_signal: 993 goto unimplemented; 994 case TARGET_NR_geteuid: 995 ret = get_errno(geteuid()); 996 break; 997 case TARGET_NR_getegid: 998 ret = get_errno(getegid()); 999 break; 1000 case TARGET_NR_acct: 1001 goto unimplemented; 1002 case TARGET_NR_umount2: 1003 ret = get_errno(umount2((const char *)arg1, arg2)); 1004 break; 1005 case TARGET_NR_lock: 1006 goto unimplemented; 1007 case TARGET_NR_ioctl: 1008 ret = do_ioctl(arg1, arg2, arg3); 1009 break; 1010 case TARGET_NR_fcntl: 1011 switch(arg2) { 1012 case F_GETLK: 1013 case F_SETLK: 1014 case F_SETLKW: 1015 goto unimplemented; 1016 default: 1017 ret = get_errno(fcntl(arg1, arg2, arg3)); 1018 break; 1019 } 1020 break; 1021 case TARGET_NR_mpx: 1022 goto unimplemented; 1023 case TARGET_NR_setpgid: 1024 ret = get_errno(setpgid(arg1, arg2)); 1025 break; 1026 case TARGET_NR_ulimit: 1027 goto unimplemented; 1028 case TARGET_NR_oldolduname: 1029 goto unimplemented; 1030 case TARGET_NR_umask: 1031 ret = get_errno(umask(arg1)); 1032 break; 1033 case TARGET_NR_chroot: 1034 ret = get_errno(chroot((const char *)arg1)); 1035 break; 1036 case TARGET_NR_ustat: 1037 goto unimplemented; 1038 case TARGET_NR_dup2: 1039 ret = get_errno(dup2(arg1, arg2)); 1040 break; 1041 case TARGET_NR_getppid: 1042 ret = get_errno(getppid()); 1043 break; 1044 case TARGET_NR_getpgrp: 1045 ret = get_errno(getpgrp()); 1046 break; 1047 case TARGET_NR_setsid: 1048 ret = get_errno(setsid()); 1049 break; 1050 case TARGET_NR_sigaction: 1051 { 1052 struct target_old_sigaction *old_act = (void *)arg2; 1053 struct target_old_sigaction *old_oact = (void *)arg3; 1054 struct target_sigaction act, oact, *pact; 1055 if (old_act) { 1056 act._sa_handler = old_act->_sa_handler; 1057 target_siginitset(&act.sa_mask, old_act->sa_mask); 1058 act.sa_flags = old_act->sa_flags; 1059 act.sa_restorer = old_act->sa_restorer; 1060 pact = &act; 1061 } else { 1062 pact = NULL; 1063 } 1064 ret = get_errno(do_sigaction(arg1, pact, &oact)); 1065 if (!is_error(ret) && old_oact) { 1066 old_oact->_sa_handler = oact._sa_handler; 1067 old_oact->sa_mask = oact.sa_mask.sig[0]; 1068 old_oact->sa_flags = oact.sa_flags; 1069 old_oact->sa_restorer = oact.sa_restorer; 1070 } 1071 } 1072 break; 1073 case TARGET_NR_rt_sigaction: 1074 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3)); 1075 break; 1076 case TARGET_NR_sgetmask: 1077 { 1078 sigset_t cur_set; 1079 target_ulong target_set; 1080 sigprocmask(0, NULL, &cur_set); 1081 host_to_target_old_sigset(&target_set, &cur_set); 1082 ret = target_set; 1083 } 1084 break; 1085 case TARGET_NR_ssetmask: 1086 { 1087 sigset_t set, oset, cur_set; 1088 target_ulong target_set = arg1; 1089 sigprocmask(0, NULL, &cur_set); 1090 target_to_host_old_sigset(&set, &target_set); 1091 sigorset(&set, &set, &cur_set); 1092 sigprocmask(SIG_SETMASK, &set, &oset); 1093 host_to_target_old_sigset(&target_set, &oset); 1094 ret = target_set; 1095 } 1096 break; 1097 case TARGET_NR_sigprocmask: 1098 { 1099 int how = arg1; 1100 sigset_t set, oldset, *set_ptr; 1101 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3; 1102 1103 if (pset) { 1104 switch(how) { 1105 case TARGET_SIG_BLOCK: 1106 how = SIG_BLOCK; 1107 break; 1108 case TARGET_SIG_UNBLOCK: 1109 how = SIG_UNBLOCK; 1110 break; 1111 case TARGET_SIG_SETMASK: 1112 how = SIG_SETMASK; 1113 break; 1114 default: 1115 ret = -EINVAL; 1116 goto fail; 1117 } 1118 target_to_host_old_sigset(&set, pset); 1119 set_ptr = &set; 1120 } else { 1121 how = 0; 1122 set_ptr = NULL; 1123 } 1124 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 1125 if (!is_error(ret) && poldset) { 1126 host_to_target_old_sigset(poldset, &oldset); 1127 } 1128 } 1129 break; 1130 case TARGET_NR_rt_sigprocmask: 1131 { 1132 int how = arg1; 1133 sigset_t set, oldset, *set_ptr; 1134 target_sigset_t *pset = (void *)arg2; 1135 target_sigset_t *poldset = (void *)arg3; 1136 1137 if (pset) { 1138 switch(how) { 1139 case TARGET_SIG_BLOCK: 1140 how = SIG_BLOCK; 1141 break; 1142 case TARGET_SIG_UNBLOCK: 1143 how = SIG_UNBLOCK; 1144 break; 1145 case TARGET_SIG_SETMASK: 1146 how = SIG_SETMASK; 1147 break; 1148 default: 1149 ret = -EINVAL; 1150 goto fail; 1151 } 1152 target_to_host_sigset(&set, pset); 1153 set_ptr = &set; 1154 } else { 1155 how = 0; 1156 set_ptr = NULL; 1157 } 1158 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 1159 if (!is_error(ret) && poldset) { 1160 host_to_target_sigset(poldset, &oldset); 1161 } 1162 } 1163 break; 1164 case TARGET_NR_sigpending: 1165 { 1166 sigset_t set; 1167 ret = get_errno(sigpending(&set)); 1168 if (!is_error(ret)) { 1169 host_to_target_old_sigset((target_ulong *)arg1, &set); 1170 } 1171 } 1172 break; 1173 case TARGET_NR_rt_sigpending: 1174 { 1175 sigset_t set; 1176 ret = get_errno(sigpending(&set)); 1177 if (!is_error(ret)) { 1178 host_to_target_sigset((target_sigset_t *)arg1, &set); 1179 } 1180 } 1181 break; 1182 case TARGET_NR_sigsuspend: 1183 { 1184 sigset_t set; 1185 target_to_host_old_sigset(&set, (target_ulong *)arg1); 1186 ret = get_errno(sigsuspend(&set)); 1187 } 1188 break; 1189 case TARGET_NR_rt_sigsuspend: 1190 { 1191 sigset_t set; 1192 target_to_host_sigset(&set, (target_sigset_t *)arg1); 1193 ret = get_errno(sigsuspend(&set)); 1194 } 1195 break; 1196 case TARGET_NR_rt_sigtimedwait: 1197 { 1198 target_sigset_t *target_set = (void *)arg1; 1199 target_siginfo_t *target_uinfo = (void *)arg2; 1200 struct target_timespec *target_uts = (void *)arg3; 1201 sigset_t set; 1202 struct timespec uts, *puts; 1203 siginfo_t uinfo; 1204 1205 target_to_host_sigset(&set, target_set); 1206 if (target_uts) { 1207 puts = &uts; 1208 puts->tv_sec = tswapl(target_uts->tv_sec); 1209 puts->tv_nsec = tswapl(target_uts->tv_nsec); 1210 } else { 1211 puts = NULL; 1212 } 1213 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 1214 if (!is_error(ret) && target_uinfo) { 1215 host_to_target_siginfo(target_uinfo, &uinfo); 1216 } 1217 } 1218 break; 1219 case TARGET_NR_rt_sigqueueinfo: 1220 { 1221 siginfo_t uinfo; 1222 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3); 1223 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 1224 } 1225 break; 1226 case TARGET_NR_sigreturn: 1227 /* NOTE: ret is eax, so not transcoding must be done */ 1228 ret = do_sigreturn(cpu_env); 1229 break; 1230 case TARGET_NR_rt_sigreturn: 1231 /* NOTE: ret is eax, so not transcoding must be done */ 1232 ret = do_rt_sigreturn(cpu_env); 1233 break; 1234 case TARGET_NR_setreuid: 1235 ret = get_errno(setreuid(arg1, arg2)); 1236 break; 1237 case TARGET_NR_setregid: 1238 ret = get_errno(setregid(arg1, arg2)); 1239 break; 1240 case TARGET_NR_sethostname: 1241 ret = get_errno(sethostname((const char *)arg1, arg2)); 1242 break; 1243 case TARGET_NR_setrlimit: 1244 { 1245 /* XXX: convert resource ? */ 1246 int resource = arg1; 1247 struct target_rlimit *target_rlim = (void *)arg2; 1248 struct rlimit rlim; 1249 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 1250 rlim.rlim_max = tswapl(target_rlim->rlim_max); 1251 ret = get_errno(setrlimit(resource, &rlim)); 1252 } 1253 break; 1254 case TARGET_NR_getrlimit: 1255 { 1256 /* XXX: convert resource ? */ 1257 int resource = arg1; 1258 struct target_rlimit *target_rlim = (void *)arg2; 1259 struct rlimit rlim; 1260 1261 ret = get_errno(getrlimit(resource, &rlim)); 1262 if (!is_error(ret)) { 1263 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 1264 target_rlim->rlim_max = tswapl(rlim.rlim_max); 1265 } 1266 } 1267 break; 1268 case TARGET_NR_getrusage: 1269 goto unimplemented; 1270 case TARGET_NR_gettimeofday: 1271 { 1272 struct target_timeval *target_tv = (void *)arg1; 1273 struct timeval tv; 1274 ret = get_errno(gettimeofday(&tv, NULL)); 1275 if (!is_error(ret)) { 1276 target_tv->tv_sec = tswapl(tv.tv_sec); 1277 target_tv->tv_usec = tswapl(tv.tv_usec); 1278 } 1279 } 1280 break; 1281 case TARGET_NR_settimeofday: 1282 { 1283 struct target_timeval *target_tv = (void *)arg1; 1284 struct timeval tv; 1285 tv.tv_sec = tswapl(target_tv->tv_sec); 1286 tv.tv_usec = tswapl(target_tv->tv_usec); 1287 ret = get_errno(settimeofday(&tv, NULL)); 1288 } 1289 break; 1290 case TARGET_NR_getgroups: 1291 goto unimplemented; 1292 case TARGET_NR_setgroups: 1293 goto unimplemented; 1294 case TARGET_NR_select: 1295 goto unimplemented; 1296 case TARGET_NR_symlink: 1297 ret = get_errno(symlink((const char *)arg1, (const char *)arg2)); 1298 break; 1299 case TARGET_NR_oldlstat: 1300 goto unimplemented; 1301 case TARGET_NR_readlink: 1302 ret = get_errno(readlink((const char *)arg1, (char *)arg2, arg3)); 1303 break; 1304 case TARGET_NR_uselib: 1305 goto unimplemented; 1306 case TARGET_NR_swapon: 1307 ret = get_errno(swapon((const char *)arg1, arg2)); 1308 break; 1309 case TARGET_NR_reboot: 1310 goto unimplemented; 1311 case TARGET_NR_readdir: 1312 goto unimplemented; 1313 #ifdef TARGET_I386 1314 case TARGET_NR_mmap: 1315 { 1316 uint32_t v1, v2, v3, v4, v5, v6, *vptr; 1317 vptr = (uint32_t *)arg1; 1318 v1 = tswap32(vptr[0]); 1319 v2 = tswap32(vptr[1]); 1320 v3 = tswap32(vptr[2]); 1321 v4 = tswap32(vptr[3]); 1322 v5 = tswap32(vptr[4]); 1323 v6 = tswap32(vptr[5]); 1324 ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6)); 1325 } 1326 break; 1327 #endif 1328 #ifdef TARGET_I386 1329 case TARGET_NR_mmap2: 1330 #else 1331 case TARGET_NR_mmap: 1332 #endif 1333 ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6)); 1334 break; 1335 case TARGET_NR_munmap: 1336 ret = get_errno(munmap((void *)arg1, arg2)); 1337 break; 1338 case TARGET_NR_mprotect: 1339 ret = get_errno(mprotect((void *)arg1, arg2, arg3)); 1340 break; 1341 case TARGET_NR_mremap: 1342 ret = get_errno((long)mremap((void *)arg1, arg2, arg3, arg4)); 1343 break; 1344 case TARGET_NR_msync: 1345 ret = get_errno(msync((void *)arg1, arg2, arg3)); 1346 break; 1347 case TARGET_NR_mlock: 1348 ret = get_errno(mlock((void *)arg1, arg2)); 1349 break; 1350 case TARGET_NR_munlock: 1351 ret = get_errno(munlock((void *)arg1, arg2)); 1352 break; 1353 case TARGET_NR_mlockall: 1354 ret = get_errno(mlockall(arg1)); 1355 break; 1356 case TARGET_NR_munlockall: 1357 ret = get_errno(munlockall()); 1358 break; 1359 case TARGET_NR_truncate: 1360 ret = get_errno(truncate((const char *)arg1, arg2)); 1361 break; 1362 case TARGET_NR_ftruncate: 1363 ret = get_errno(ftruncate(arg1, arg2)); 1364 break; 1365 case TARGET_NR_fchmod: 1366 ret = get_errno(fchmod(arg1, arg2)); 1367 break; 1368 case TARGET_NR_fchown: 1369 ret = get_errno(fchown(arg1, arg2, arg3)); 1370 break; 1371 case TARGET_NR_getpriority: 1372 ret = get_errno(getpriority(arg1, arg2)); 1373 break; 1374 case TARGET_NR_setpriority: 1375 ret = get_errno(setpriority(arg1, arg2, arg3)); 1376 break; 1377 case TARGET_NR_profil: 1378 goto unimplemented; 1379 case TARGET_NR_statfs: 1380 stfs = (void *)arg2; 1381 ret = get_errno(sys_statfs((const char *)arg1, stfs)); 1382 convert_statfs: 1383 if (!is_error(ret)) { 1384 tswap32s(&stfs->f_type); 1385 tswap32s(&stfs->f_bsize); 1386 tswap32s(&stfs->f_blocks); 1387 tswap32s(&stfs->f_bfree); 1388 tswap32s(&stfs->f_bavail); 1389 tswap32s(&stfs->f_files); 1390 tswap32s(&stfs->f_ffree); 1391 tswap32s(&stfs->f_fsid.val[0]); 1392 tswap32s(&stfs->f_fsid.val[1]); 1393 tswap32s(&stfs->f_namelen); 1394 } 1395 break; 1396 case TARGET_NR_fstatfs: 1397 stfs = (void *)arg2; 1398 ret = get_errno(sys_fstatfs(arg1, stfs)); 1399 goto convert_statfs; 1400 case TARGET_NR_ioperm: 1401 goto unimplemented; 1402 case TARGET_NR_socketcall: 1403 ret = do_socketcall(arg1, (long *)arg2); 1404 break; 1405 case TARGET_NR_syslog: 1406 goto unimplemented; 1407 case TARGET_NR_setitimer: 1408 { 1409 struct target_itimerval *target_value = (void *)arg2; 1410 struct target_itimerval *target_ovalue = (void *)arg3; 1411 struct itimerval value, ovalue, *pvalue; 1412 1413 if (target_value) { 1414 pvalue = &value; 1415 target_to_host_timeval(&pvalue->it_interval, 1416 &target_value->it_interval); 1417 target_to_host_timeval(&pvalue->it_value, 1418 &target_value->it_value); 1419 } else { 1420 pvalue = NULL; 1421 } 1422 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 1423 if (!is_error(ret) && target_ovalue) { 1424 host_to_target_timeval(&target_ovalue->it_interval, 1425 &ovalue.it_interval); 1426 host_to_target_timeval(&target_ovalue->it_value, 1427 &ovalue.it_value); 1428 } 1429 } 1430 break; 1431 case TARGET_NR_getitimer: 1432 { 1433 struct target_itimerval *target_value = (void *)arg2; 1434 struct itimerval value; 1435 1436 ret = get_errno(getitimer(arg1, &value)); 1437 if (!is_error(ret) && target_value) { 1438 host_to_target_timeval(&target_value->it_interval, 1439 &value.it_interval); 1440 host_to_target_timeval(&target_value->it_value, 1441 &value.it_value); 1442 } 1443 } 1444 break; 1445 case TARGET_NR_stat: 1446 ret = get_errno(stat((const char *)arg1, &st)); 1447 goto do_stat; 1448 case TARGET_NR_lstat: 1449 ret = get_errno(lstat((const char *)arg1, &st)); 1450 goto do_stat; 1451 case TARGET_NR_fstat: 1452 { 1453 ret = get_errno(fstat(arg1, &st)); 1454 do_stat: 1455 if (!is_error(ret)) { 1456 struct target_stat *target_st = (void *)arg2; 1457 target_st->st_dev = tswap16(st.st_dev); 1458 target_st->st_ino = tswapl(st.st_ino); 1459 target_st->st_mode = tswap16(st.st_mode); 1460 target_st->st_nlink = tswap16(st.st_nlink); 1461 target_st->st_uid = tswap16(st.st_uid); 1462 target_st->st_gid = tswap16(st.st_gid); 1463 target_st->st_rdev = tswap16(st.st_rdev); 1464 target_st->st_size = tswapl(st.st_size); 1465 target_st->st_blksize = tswapl(st.st_blksize); 1466 target_st->st_blocks = tswapl(st.st_blocks); 1467 target_st->st_atime = tswapl(st.st_atime); 1468 target_st->st_mtime = tswapl(st.st_mtime); 1469 target_st->st_ctime = tswapl(st.st_ctime); 1470 } 1471 } 1472 break; 1473 case TARGET_NR_olduname: 1474 goto unimplemented; 1475 case TARGET_NR_iopl: 1476 goto unimplemented; 1477 case TARGET_NR_vhangup: 1478 ret = get_errno(vhangup()); 1479 break; 1480 case TARGET_NR_idle: 1481 goto unimplemented; 1482 case TARGET_NR_vm86old: 1483 goto unimplemented; 1484 case TARGET_NR_wait4: 1485 { 1486 int status; 1487 target_long *status_ptr = (void *)arg2; 1488 struct rusage rusage, *rusage_ptr; 1489 struct target_rusage *target_rusage = (void *)arg4; 1490 if (target_rusage) 1491 rusage_ptr = &rusage; 1492 else 1493 rusage_ptr = NULL; 1494 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 1495 if (!is_error(ret)) { 1496 if (status_ptr) 1497 *status_ptr = tswap32(status); 1498 if (target_rusage) { 1499 target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec); 1500 target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec); 1501 target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec); 1502 target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec); 1503 target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss); 1504 target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss); 1505 target_rusage->ru_idrss = tswapl(rusage.ru_idrss); 1506 target_rusage->ru_isrss = tswapl(rusage.ru_isrss); 1507 target_rusage->ru_minflt = tswapl(rusage.ru_minflt); 1508 target_rusage->ru_majflt = tswapl(rusage.ru_majflt); 1509 target_rusage->ru_nswap = tswapl(rusage.ru_nswap); 1510 target_rusage->ru_inblock = tswapl(rusage.ru_inblock); 1511 target_rusage->ru_oublock = tswapl(rusage.ru_oublock); 1512 target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd); 1513 target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv); 1514 target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals); 1515 target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw); 1516 target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw); 1517 } 1518 } 1519 } 1520 break; 1521 case TARGET_NR_swapoff: 1522 ret = get_errno(swapoff((const char *)arg1)); 1523 break; 1524 case TARGET_NR_sysinfo: 1525 goto unimplemented; 1526 case TARGET_NR_ipc: 1527 goto unimplemented; 1528 case TARGET_NR_fsync: 1529 ret = get_errno(fsync(arg1)); 1530 break; 1531 case TARGET_NR_clone: 1532 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 1533 break; 1534 case TARGET_NR_setdomainname: 1535 ret = get_errno(setdomainname((const char *)arg1, arg2)); 1536 break; 1537 case TARGET_NR_uname: 1538 /* no need to transcode because we use the linux syscall */ 1539 ret = get_errno(sys_uname((struct new_utsname *)arg1)); 1540 break; 1541 #ifdef TARGET_I386 1542 case TARGET_NR_modify_ldt: 1543 ret = get_errno(gemu_modify_ldt(cpu_env, arg1, (void *)arg2, arg3)); 1544 break; 1545 #endif 1546 case TARGET_NR_adjtimex: 1547 goto unimplemented; 1548 case TARGET_NR_create_module: 1549 case TARGET_NR_init_module: 1550 case TARGET_NR_delete_module: 1551 case TARGET_NR_get_kernel_syms: 1552 goto unimplemented; 1553 case TARGET_NR_quotactl: 1554 goto unimplemented; 1555 case TARGET_NR_getpgid: 1556 ret = get_errno(getpgid(arg1)); 1557 break; 1558 case TARGET_NR_fchdir: 1559 ret = get_errno(fchdir(arg1)); 1560 break; 1561 case TARGET_NR_bdflush: 1562 goto unimplemented; 1563 case TARGET_NR_sysfs: 1564 goto unimplemented; 1565 case TARGET_NR_personality: 1566 ret = get_errno(personality(arg1)); 1567 break; 1568 case TARGET_NR_afs_syscall: 1569 goto unimplemented; 1570 case TARGET_NR_setfsuid: 1571 ret = get_errno(setfsuid(arg1)); 1572 break; 1573 case TARGET_NR_setfsgid: 1574 ret = get_errno(setfsgid(arg1)); 1575 break; 1576 case TARGET_NR__llseek: 1577 { 1578 int64_t res; 1579 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 1580 *(int64_t *)arg4 = tswap64(res); 1581 } 1582 break; 1583 case TARGET_NR_getdents: 1584 #if TARGET_LONG_SIZE != 4 1585 #error not supported 1586 #endif 1587 { 1588 struct dirent *dirp = (void *)arg2; 1589 long count = arg3; 1590 1591 ret = get_errno(sys_getdents(arg1, dirp, count)); 1592 if (!is_error(ret)) { 1593 struct dirent *de; 1594 int len = ret; 1595 int reclen; 1596 de = dirp; 1597 while (len > 0) { 1598 reclen = tswap16(de->d_reclen); 1599 if (reclen > len) 1600 break; 1601 de->d_reclen = reclen; 1602 tswapls(&de->d_ino); 1603 tswapls(&de->d_off); 1604 de = (struct dirent *)((char *)de + reclen); 1605 len -= reclen; 1606 } 1607 } 1608 } 1609 break; 1610 case TARGET_NR_getdents64: 1611 { 1612 struct dirent64 *dirp = (void *)arg2; 1613 long count = arg3; 1614 ret = get_errno(sys_getdents64(arg1, dirp, count)); 1615 if (!is_error(ret)) { 1616 struct dirent64 *de; 1617 int len = ret; 1618 int reclen; 1619 de = dirp; 1620 while (len > 0) { 1621 reclen = tswap16(de->d_reclen); 1622 if (reclen > len) 1623 break; 1624 de->d_reclen = reclen; 1625 tswap64s(&de->d_ino); 1626 tswap64s(&de->d_off); 1627 de = (struct dirent64 *)((char *)de + reclen); 1628 len -= reclen; 1629 } 1630 } 1631 } 1632 break; 1633 case TARGET_NR__newselect: 1634 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 1635 (void *)arg5); 1636 break; 1637 case TARGET_NR_poll: 1638 { 1639 struct target_pollfd *target_pfd = (void *)arg1; 1640 unsigned int nfds = arg2; 1641 int timeout = arg3; 1642 struct pollfd *pfd; 1643 int i; 1644 1645 pfd = alloca(sizeof(struct pollfd) * nfds); 1646 for(i = 0; i < nfds; i++) { 1647 pfd->fd = tswap32(target_pfd->fd); 1648 pfd->events = tswap16(target_pfd->events); 1649 } 1650 ret = get_errno(poll(pfd, nfds, timeout)); 1651 if (!is_error(ret)) { 1652 for(i = 0; i < nfds; i++) { 1653 target_pfd->revents = tswap16(pfd->revents); 1654 } 1655 } 1656 } 1657 break; 1658 case TARGET_NR_flock: 1659 /* NOTE: the flock constant seems to be the same for every 1660 Linux platform */ 1661 ret = get_errno(flock(arg1, arg2)); 1662 break; 1663 case TARGET_NR_readv: 1664 { 1665 int count = arg3; 1666 int i; 1667 struct iovec *vec; 1668 struct target_iovec *target_vec = (void *)arg2; 1669 1670 vec = alloca(count * sizeof(struct iovec)); 1671 for(i = 0;i < count; i++) { 1672 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 1673 vec[i].iov_len = tswapl(target_vec[i].iov_len); 1674 } 1675 ret = get_errno(readv(arg1, vec, count)); 1676 } 1677 break; 1678 case TARGET_NR_writev: 1679 { 1680 int count = arg3; 1681 int i; 1682 struct iovec *vec; 1683 struct target_iovec *target_vec = (void *)arg2; 1684 1685 vec = alloca(count * sizeof(struct iovec)); 1686 for(i = 0;i < count; i++) { 1687 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 1688 vec[i].iov_len = tswapl(target_vec[i].iov_len); 1689 } 1690 ret = get_errno(writev(arg1, vec, count)); 1691 } 1692 break; 1693 case TARGET_NR_getsid: 1694 ret = get_errno(getsid(arg1)); 1695 break; 1696 case TARGET_NR_fdatasync: 1697 goto unimplemented; 1698 case TARGET_NR__sysctl: 1699 goto unimplemented; 1700 case TARGET_NR_sched_setparam: 1701 goto unimplemented; 1702 case TARGET_NR_sched_getparam: 1703 goto unimplemented; 1704 case TARGET_NR_sched_setscheduler: 1705 goto unimplemented; 1706 case TARGET_NR_sched_getscheduler: 1707 goto unimplemented; 1708 case TARGET_NR_sched_yield: 1709 ret = get_errno(sched_yield()); 1710 break; 1711 case TARGET_NR_sched_get_priority_max: 1712 case TARGET_NR_sched_get_priority_min: 1713 case TARGET_NR_sched_rr_get_interval: 1714 goto unimplemented; 1715 1716 case TARGET_NR_nanosleep: 1717 { 1718 struct target_timespec *target_req = (void *)arg1; 1719 struct target_timespec *target_rem = (void *)arg2; 1720 struct timespec req, rem; 1721 req.tv_sec = tswapl(target_req->tv_sec); 1722 req.tv_nsec = tswapl(target_req->tv_nsec); 1723 ret = get_errno(nanosleep(&req, &rem)); 1724 if (target_rem) { 1725 target_rem->tv_sec = tswapl(rem.tv_sec); 1726 target_rem->tv_nsec = tswapl(rem.tv_nsec); 1727 } 1728 } 1729 break; 1730 1731 case TARGET_NR_setresuid: 1732 case TARGET_NR_getresuid: 1733 case TARGET_NR_vm86: 1734 case TARGET_NR_query_module: 1735 case TARGET_NR_nfsservctl: 1736 case TARGET_NR_setresgid: 1737 case TARGET_NR_getresgid: 1738 case TARGET_NR_prctl: 1739 case TARGET_NR_pread: 1740 case TARGET_NR_pwrite: 1741 goto unimplemented; 1742 case TARGET_NR_chown: 1743 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 1744 break; 1745 case TARGET_NR_getcwd: 1746 ret = get_errno(sys_getcwd1((char *)arg1, arg2)); 1747 break; 1748 case TARGET_NR_capget: 1749 case TARGET_NR_capset: 1750 case TARGET_NR_sigaltstack: 1751 case TARGET_NR_sendfile: 1752 case TARGET_NR_getpmsg: 1753 case TARGET_NR_putpmsg: 1754 case TARGET_NR_vfork: 1755 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 1756 break; 1757 case TARGET_NR_ugetrlimit: 1758 case TARGET_NR_truncate64: 1759 case TARGET_NR_ftruncate64: 1760 goto unimplemented; 1761 case TARGET_NR_stat64: 1762 ret = get_errno(stat((const char *)arg1, &st)); 1763 goto do_stat64; 1764 case TARGET_NR_lstat64: 1765 ret = get_errno(lstat((const char *)arg1, &st)); 1766 goto do_stat64; 1767 case TARGET_NR_fstat64: 1768 { 1769 ret = get_errno(fstat(arg1, &st)); 1770 do_stat64: 1771 if (!is_error(ret)) { 1772 struct target_stat64 *target_st = (void *)arg2; 1773 target_st->st_dev = tswap16(st.st_dev); 1774 target_st->st_ino = tswapl(st.st_ino); 1775 target_st->st_mode = tswap16(st.st_mode); 1776 target_st->st_nlink = tswap16(st.st_nlink); 1777 target_st->st_uid = tswap16(st.st_uid); 1778 target_st->st_gid = tswap16(st.st_gid); 1779 target_st->st_rdev = tswap16(st.st_rdev); 1780 /* XXX: better use of kernel struct */ 1781 target_st->st_size = tswapl(st.st_size); 1782 target_st->st_blksize = tswapl(st.st_blksize); 1783 target_st->st_blocks = tswapl(st.st_blocks); 1784 target_st->st_atime = tswapl(st.st_atime); 1785 target_st->st_mtime = tswapl(st.st_mtime); 1786 target_st->st_ctime = tswapl(st.st_ctime); 1787 } 1788 } 1789 break; 1790 1791 case TARGET_NR_lchown32: 1792 case TARGET_NR_getuid32: 1793 case TARGET_NR_getgid32: 1794 case TARGET_NR_geteuid32: 1795 case TARGET_NR_getegid32: 1796 case TARGET_NR_setreuid32: 1797 case TARGET_NR_setregid32: 1798 case TARGET_NR_getgroups32: 1799 case TARGET_NR_setgroups32: 1800 case TARGET_NR_fchown32: 1801 case TARGET_NR_setresuid32: 1802 case TARGET_NR_getresuid32: 1803 case TARGET_NR_setresgid32: 1804 case TARGET_NR_getresgid32: 1805 case TARGET_NR_chown32: 1806 case TARGET_NR_setuid32: 1807 case TARGET_NR_setgid32: 1808 case TARGET_NR_setfsuid32: 1809 case TARGET_NR_setfsgid32: 1810 case TARGET_NR_pivot_root: 1811 case TARGET_NR_mincore: 1812 case TARGET_NR_madvise: 1813 goto unimplemented; 1814 #if TARGET_LONG_BITS == 32 1815 case TARGET_NR_fcntl64: 1816 switch(arg2) { 1817 case F_GETLK64: 1818 case F_SETLK64: 1819 case F_SETLKW64: 1820 goto unimplemented; 1821 default: 1822 ret = get_errno(fcntl(arg1, arg2, arg3)); 1823 break; 1824 } 1825 break; 1826 #endif 1827 case TARGET_NR_security: 1828 goto unimplemented; 1829 case TARGET_NR_gettid: 1830 ret = get_errno(gettid()); 1831 break; 1832 case TARGET_NR_readahead: 1833 case TARGET_NR_setxattr: 1834 case TARGET_NR_lsetxattr: 1835 case TARGET_NR_fsetxattr: 1836 case TARGET_NR_getxattr: 1837 case TARGET_NR_lgetxattr: 1838 case TARGET_NR_fgetxattr: 1839 case TARGET_NR_listxattr: 1840 case TARGET_NR_llistxattr: 1841 case TARGET_NR_flistxattr: 1842 case TARGET_NR_removexattr: 1843 case TARGET_NR_lremovexattr: 1844 case TARGET_NR_fremovexattr: 1845 goto unimplemented; 1846 default: 1847 unimplemented: 1848 gemu_log("gemu: Unsupported syscall: %d\n", num); 1849 ret = -ENOSYS; 1850 break; 1851 } 1852 fail: 1853 return ret; 1854 } 1855 1856