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 extern int setresuid(int,int,int); 107 extern int getresuid(int *,int *,int *); 108 extern int setresgid(int,int,int); 109 extern int getresgid(int *,int *,int *); 110 111 static inline long get_errno(long ret) 112 { 113 if (ret == -1) 114 return -errno; 115 else 116 return ret; 117 } 118 119 static inline int is_error(long ret) 120 { 121 return (unsigned long)ret >= (unsigned long)(-4096); 122 } 123 124 static char *target_brk; 125 static char *target_original_brk; 126 127 void target_set_brk(char *new_brk) 128 { 129 target_brk = new_brk; 130 target_original_brk = new_brk; 131 } 132 133 static long do_brk(char *new_brk) 134 { 135 char *brk_page; 136 long mapped_addr; 137 int new_alloc_size; 138 139 if (!new_brk) 140 return (long)target_brk; 141 if (new_brk < target_original_brk) 142 return -ENOMEM; 143 144 brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK); 145 146 /* If the new brk is less than this, set it and we're done... */ 147 if (new_brk < brk_page) { 148 target_brk = new_brk; 149 return (long)target_brk; 150 } 151 152 /* We need to allocate more memory after the brk... */ 153 new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK; 154 mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size, 155 PROT_READ|PROT_WRITE, 156 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); 157 158 if (is_error(mapped_addr)) { 159 return mapped_addr; 160 } else { 161 target_brk = new_brk; 162 return (long)target_brk; 163 } 164 } 165 166 static inline fd_set *target_to_host_fds(fd_set *fds, 167 target_long *target_fds, int n) 168 { 169 #if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN) 170 return (fd_set *)target_fds; 171 #else 172 int i, b; 173 if (target_fds) { 174 FD_ZERO(fds); 175 for(i = 0;i < n; i++) { 176 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> 177 (i & (TARGET_LONG_BITS - 1))) & 1; 178 if (b) 179 FD_SET(i, fds); 180 } 181 return fds; 182 } else { 183 return NULL; 184 } 185 #endif 186 } 187 188 static inline void host_to_target_fds(target_long *target_fds, 189 fd_set *fds, int n) 190 { 191 #if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN) 192 /* nothing to do */ 193 #else 194 int i, nw, j, k; 195 target_long v; 196 197 if (target_fds) { 198 nw = n / TARGET_LONG_BITS; 199 k = 0; 200 for(i = 0;i < nw; i++) { 201 v = 0; 202 for(j = 0; j < TARGET_LONG_BITS; j++) { 203 v |= ((FD_ISSET(k, fds) != 0) << j); 204 k++; 205 } 206 target_fds[i] = tswapl(v); 207 } 208 } 209 #endif 210 } 211 212 static inline void target_to_host_timeval(struct timeval *tv, 213 struct target_timeval *target_tv) 214 { 215 tv->tv_sec = tswapl(target_tv->tv_sec); 216 tv->tv_usec = tswapl(target_tv->tv_usec); 217 } 218 219 static inline void host_to_target_timeval(struct target_timeval *target_tv, 220 struct timeval *tv) 221 { 222 target_tv->tv_sec = tswapl(tv->tv_sec); 223 target_tv->tv_usec = tswapl(tv->tv_usec); 224 } 225 226 227 static long do_select(long n, 228 target_long *target_rfds, target_long *target_wfds, 229 target_long *target_efds, struct target_timeval *target_tv) 230 { 231 fd_set rfds, wfds, efds; 232 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; 233 struct timeval tv, *tv_ptr; 234 long ret; 235 236 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); 237 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); 238 efds_ptr = target_to_host_fds(&efds, target_efds, n); 239 240 if (target_tv) { 241 tv.tv_sec = tswapl(target_tv->tv_sec); 242 tv.tv_usec = tswapl(target_tv->tv_usec); 243 tv_ptr = &tv; 244 } else { 245 tv_ptr = NULL; 246 } 247 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); 248 if (!is_error(ret)) { 249 host_to_target_fds(target_rfds, rfds_ptr, n); 250 host_to_target_fds(target_wfds, wfds_ptr, n); 251 host_to_target_fds(target_efds, efds_ptr, n); 252 253 if (target_tv) { 254 target_tv->tv_sec = tswapl(tv.tv_sec); 255 target_tv->tv_usec = tswapl(tv.tv_usec); 256 } 257 } 258 return ret; 259 } 260 261 static long do_socketcall(int num, long *vptr) 262 { 263 long ret; 264 265 switch(num) { 266 case SOCKOP_socket: 267 ret = get_errno(socket(vptr[0], vptr[1], vptr[2])); 268 break; 269 case SOCKOP_bind: 270 ret = get_errno(bind(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); 271 break; 272 case SOCKOP_connect: 273 ret = get_errno(connect(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); 274 break; 275 case SOCKOP_listen: 276 ret = get_errno(listen(vptr[0], vptr[1])); 277 break; 278 case SOCKOP_accept: 279 { 280 socklen_t size; 281 size = tswap32(*(int32_t *)vptr[2]); 282 ret = get_errno(accept(vptr[0], (struct sockaddr *)vptr[1], &size)); 283 if (!is_error(ret)) 284 *(int32_t *)vptr[2] = size; 285 } 286 break; 287 case SOCKOP_getsockname: 288 { 289 socklen_t size; 290 size = tswap32(*(int32_t *)vptr[2]); 291 ret = get_errno(getsockname(vptr[0], (struct sockaddr *)vptr[1], &size)); 292 if (!is_error(ret)) 293 *(int32_t *)vptr[2] = size; 294 } 295 break; 296 case SOCKOP_getpeername: 297 { 298 socklen_t size; 299 size = tswap32(*(int32_t *)vptr[2]); 300 ret = get_errno(getpeername(vptr[0], (struct sockaddr *)vptr[1], &size)); 301 if (!is_error(ret)) 302 *(int32_t *)vptr[2] = size; 303 } 304 break; 305 case SOCKOP_socketpair: 306 { 307 int tab[2]; 308 int32_t *target_tab = (int32_t *)vptr[3]; 309 ret = get_errno(socketpair(vptr[0], vptr[1], vptr[2], tab)); 310 if (!is_error(ret)) { 311 target_tab[0] = tswap32(tab[0]); 312 target_tab[1] = tswap32(tab[1]); 313 } 314 } 315 break; 316 case SOCKOP_send: 317 ret = get_errno(send(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); 318 break; 319 case SOCKOP_recv: 320 ret = get_errno(recv(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); 321 break; 322 case SOCKOP_sendto: 323 ret = get_errno(sendto(vptr[0], (void *)vptr[1], vptr[2], vptr[3], 324 (struct sockaddr *)vptr[4], vptr[5])); 325 break; 326 case SOCKOP_recvfrom: 327 { 328 socklen_t size; 329 size = tswap32(*(int32_t *)vptr[5]); 330 ret = get_errno(recvfrom(vptr[0], (void *)vptr[1], vptr[2], 331 vptr[3], (struct sockaddr *)vptr[4], &size)); 332 if (!is_error(ret)) 333 *(int32_t *)vptr[5] = size; 334 } 335 break; 336 case SOCKOP_shutdown: 337 ret = get_errno(shutdown(vptr[0], vptr[1])); 338 break; 339 case SOCKOP_sendmsg: 340 case SOCKOP_recvmsg: 341 { 342 int fd; 343 struct target_msghdr *msgp; 344 struct msghdr msg; 345 int flags, count, i; 346 struct iovec *vec; 347 struct target_iovec *target_vec; 348 349 msgp = (void *)vptr[1]; 350 msg.msg_name = (void *)tswapl(msgp->msg_name); 351 msg.msg_namelen = tswapl(msgp->msg_namelen); 352 msg.msg_control = (void *)tswapl(msgp->msg_control); 353 msg.msg_controllen = tswapl(msgp->msg_controllen); 354 msg.msg_flags = tswap32(msgp->msg_flags); 355 356 count = tswapl(msgp->msg_iovlen); 357 vec = alloca(count * sizeof(struct iovec)); 358 target_vec = (void *)tswapl(msgp->msg_iov); 359 for(i = 0;i < count; i++) { 360 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 361 vec[i].iov_len = tswapl(target_vec[i].iov_len); 362 } 363 msg.msg_iovlen = count; 364 msg.msg_iov = vec; 365 366 fd = vptr[0]; 367 flags = vptr[2]; 368 if (num == SOCKOP_sendmsg) 369 ret = sendmsg(fd, &msg, flags); 370 else 371 ret = recvmsg(fd, &msg, flags); 372 ret = get_errno(ret); 373 } 374 break; 375 case SOCKOP_setsockopt: 376 case SOCKOP_getsockopt: 377 default: 378 gemu_log("Unsupported socketcall: %d\n", num); 379 ret = -ENOSYS; 380 break; 381 } 382 return ret; 383 } 384 385 /* kernel structure types definitions */ 386 #define IFNAMSIZ 16 387 388 #define STRUCT(name, list...) STRUCT_ ## name, 389 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 390 enum { 391 #include "syscall_types.h" 392 }; 393 #undef STRUCT 394 #undef STRUCT_SPECIAL 395 396 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 397 #define STRUCT_SPECIAL(name) 398 #include "syscall_types.h" 399 #undef STRUCT 400 #undef STRUCT_SPECIAL 401 402 typedef struct IOCTLEntry { 403 int target_cmd; 404 int host_cmd; 405 const char *name; 406 int access; 407 const argtype arg_type[5]; 408 } IOCTLEntry; 409 410 #define IOC_R 0x0001 411 #define IOC_W 0x0002 412 #define IOC_RW (IOC_R | IOC_W) 413 414 #define MAX_STRUCT_SIZE 4096 415 416 const IOCTLEntry ioctl_entries[] = { 417 #define IOCTL(cmd, access, types...) \ 418 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 419 #include "ioctls.h" 420 { 0, 0, }, 421 }; 422 423 static long do_ioctl(long fd, long cmd, long arg) 424 { 425 const IOCTLEntry *ie; 426 const argtype *arg_type; 427 long ret; 428 uint8_t buf_temp[MAX_STRUCT_SIZE]; 429 430 ie = ioctl_entries; 431 for(;;) { 432 if (ie->target_cmd == 0) { 433 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); 434 return -ENOSYS; 435 } 436 if (ie->target_cmd == cmd) 437 break; 438 ie++; 439 } 440 arg_type = ie->arg_type; 441 #if defined(DEBUG) 442 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); 443 #endif 444 switch(arg_type[0]) { 445 case TYPE_NULL: 446 /* no argument */ 447 ret = get_errno(ioctl(fd, ie->host_cmd)); 448 break; 449 case TYPE_PTRVOID: 450 case TYPE_INT: 451 /* int argment */ 452 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 453 break; 454 case TYPE_PTR: 455 arg_type++; 456 switch(ie->access) { 457 case IOC_R: 458 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 459 if (!is_error(ret)) { 460 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 461 } 462 break; 463 case IOC_W: 464 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 465 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 466 break; 467 default: 468 case IOC_RW: 469 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 470 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 471 if (!is_error(ret)) { 472 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 473 } 474 break; 475 } 476 break; 477 default: 478 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); 479 ret = -ENOSYS; 480 break; 481 } 482 return ret; 483 } 484 485 bitmask_transtbl iflag_tbl[] = { 486 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 487 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 488 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 489 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 490 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 491 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 492 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 493 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 494 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 495 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 496 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 497 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 498 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 499 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 500 { 0, 0, 0, 0 } 501 }; 502 503 bitmask_transtbl oflag_tbl[] = { 504 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 505 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 506 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 507 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 508 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 509 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 510 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 511 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 512 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 513 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 514 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 515 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 516 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 517 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 518 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 519 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 520 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 521 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 522 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 523 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 524 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 525 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 526 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 527 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 528 { 0, 0, 0, 0 } 529 }; 530 531 bitmask_transtbl cflag_tbl[] = { 532 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 533 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 534 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 535 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 536 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 537 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 538 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 539 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 540 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 541 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 542 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 543 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 544 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 545 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 546 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 547 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 548 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 549 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 550 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 551 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 552 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 553 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 554 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 555 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 556 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 557 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 558 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 559 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 560 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 561 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 562 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 563 { 0, 0, 0, 0 } 564 }; 565 566 bitmask_transtbl lflag_tbl[] = { 567 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 568 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 569 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 570 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 571 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 572 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 573 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 574 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 575 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 576 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 577 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 578 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 579 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 580 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 581 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 582 { 0, 0, 0, 0 } 583 }; 584 585 static void target_to_host_termios (void *dst, const void *src) 586 { 587 struct host_termios *host = dst; 588 const struct target_termios *target = src; 589 590 host->c_iflag = 591 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 592 host->c_oflag = 593 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 594 host->c_cflag = 595 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 596 host->c_lflag = 597 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 598 host->c_line = target->c_line; 599 600 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 601 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 602 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 603 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 604 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 605 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 606 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 607 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 608 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 609 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 610 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 611 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 612 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 613 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 614 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 615 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 616 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 617 } 618 619 static void host_to_target_termios (void *dst, const void *src) 620 { 621 struct target_termios *target = dst; 622 const struct host_termios *host = src; 623 624 target->c_iflag = 625 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 626 target->c_oflag = 627 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 628 target->c_cflag = 629 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 630 target->c_lflag = 631 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 632 target->c_line = host->c_line; 633 634 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 635 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 636 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 637 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 638 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 639 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 640 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 641 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 642 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 643 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 644 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 645 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 646 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 647 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 648 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 649 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 650 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 651 } 652 653 StructEntry struct_termios_def = { 654 .convert = { host_to_target_termios, target_to_host_termios }, 655 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 656 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 657 }; 658 659 #ifdef TARGET_I386 660 661 /* NOTE: there is really one LDT for all the threads */ 662 uint8_t *ldt_table; 663 664 static int read_ldt(void *ptr, unsigned long bytecount) 665 { 666 int size; 667 668 if (!ldt_table) 669 return 0; 670 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 671 if (size > bytecount) 672 size = bytecount; 673 memcpy(ptr, ldt_table, size); 674 return size; 675 } 676 677 /* XXX: add locking support */ 678 static int write_ldt(CPUX86State *env, 679 void *ptr, unsigned long bytecount, int oldmode) 680 { 681 struct target_modify_ldt_ldt_s ldt_info; 682 int seg_32bit, contents, read_exec_only, limit_in_pages; 683 int seg_not_present, useable; 684 uint32_t *lp, entry_1, entry_2; 685 686 if (bytecount != sizeof(ldt_info)) 687 return -EINVAL; 688 memcpy(&ldt_info, ptr, sizeof(ldt_info)); 689 tswap32s(&ldt_info.entry_number); 690 tswapls((long *)&ldt_info.base_addr); 691 tswap32s(&ldt_info.limit); 692 tswap32s(&ldt_info.flags); 693 694 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 695 return -EINVAL; 696 seg_32bit = ldt_info.flags & 1; 697 contents = (ldt_info.flags >> 1) & 3; 698 read_exec_only = (ldt_info.flags >> 3) & 1; 699 limit_in_pages = (ldt_info.flags >> 4) & 1; 700 seg_not_present = (ldt_info.flags >> 5) & 1; 701 useable = (ldt_info.flags >> 6) & 1; 702 703 if (contents == 3) { 704 if (oldmode) 705 return -EINVAL; 706 if (seg_not_present == 0) 707 return -EINVAL; 708 } 709 /* allocate the LDT */ 710 if (!ldt_table) { 711 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 712 if (!ldt_table) 713 return -ENOMEM; 714 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 715 env->ldt.base = ldt_table; 716 env->ldt.limit = 0xffff; 717 } 718 719 /* NOTE: same code as Linux kernel */ 720 /* Allow LDTs to be cleared by the user. */ 721 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 722 if (oldmode || 723 (contents == 0 && 724 read_exec_only == 1 && 725 seg_32bit == 0 && 726 limit_in_pages == 0 && 727 seg_not_present == 1 && 728 useable == 0 )) { 729 entry_1 = 0; 730 entry_2 = 0; 731 goto install; 732 } 733 } 734 735 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 736 (ldt_info.limit & 0x0ffff); 737 entry_2 = (ldt_info.base_addr & 0xff000000) | 738 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 739 (ldt_info.limit & 0xf0000) | 740 ((read_exec_only ^ 1) << 9) | 741 (contents << 10) | 742 ((seg_not_present ^ 1) << 15) | 743 (seg_32bit << 22) | 744 (limit_in_pages << 23) | 745 0x7000; 746 if (!oldmode) 747 entry_2 |= (useable << 20); 748 749 /* Install the new entry ... */ 750 install: 751 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 752 lp[0] = tswap32(entry_1); 753 lp[1] = tswap32(entry_2); 754 return 0; 755 } 756 757 /* specific and weird i386 syscalls */ 758 int gemu_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount) 759 { 760 int ret = -ENOSYS; 761 762 switch (func) { 763 case 0: 764 ret = read_ldt(ptr, bytecount); 765 break; 766 case 1: 767 ret = write_ldt(env, ptr, bytecount, 1); 768 break; 769 case 0x11: 770 ret = write_ldt(env, ptr, bytecount, 0); 771 break; 772 } 773 return ret; 774 } 775 776 /* this stack is the equivalent of the kernel stack associated with a 777 thread/process */ 778 #define NEW_STACK_SIZE 8192 779 780 static int clone_func(void *arg) 781 { 782 CPUX86State *env = arg; 783 cpu_loop(env); 784 /* never exits */ 785 return 0; 786 } 787 788 int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp) 789 { 790 int ret; 791 uint8_t *new_stack; 792 CPUX86State *new_env; 793 794 if (flags & CLONE_VM) { 795 if (!newsp) 796 newsp = env->regs[R_ESP]; 797 new_stack = malloc(NEW_STACK_SIZE); 798 799 /* we create a new CPU instance. */ 800 new_env = cpu_x86_init(); 801 memcpy(new_env, env, sizeof(CPUX86State)); 802 new_env->regs[R_ESP] = newsp; 803 new_env->regs[R_EAX] = 0; 804 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 805 } else { 806 /* if no CLONE_VM, we consider it is a fork */ 807 if ((flags & ~CSIGNAL) != 0) 808 return -EINVAL; 809 ret = fork(); 810 } 811 return ret; 812 } 813 814 #endif 815 816 #define high2lowuid(x) (x) 817 #define high2lowgid(x) (x) 818 #define low2highuid(x) (x) 819 #define low2highgid(x) (x) 820 821 void syscall_init(void) 822 { 823 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 824 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 825 #include "syscall_types.h" 826 #undef STRUCT 827 #undef STRUCT_SPECIAL 828 } 829 830 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 831 long arg4, long arg5, long arg6) 832 { 833 long ret; 834 struct stat st; 835 struct kernel_statfs *stfs; 836 837 #ifdef DEBUG 838 gemu_log("syscall %d\n", num); 839 #endif 840 switch(num) { 841 case TARGET_NR_exit: 842 #ifdef HAVE_GPROF 843 _mcleanup(); 844 #endif 845 /* XXX: should free thread stack and CPU env */ 846 _exit(arg1); 847 ret = 0; /* avoid warning */ 848 break; 849 case TARGET_NR_read: 850 ret = get_errno(read(arg1, (void *)arg2, arg3)); 851 break; 852 case TARGET_NR_write: 853 ret = get_errno(write(arg1, (void *)arg2, arg3)); 854 break; 855 case TARGET_NR_open: 856 ret = get_errno(open((const char *)arg1, arg2, arg3)); 857 break; 858 case TARGET_NR_close: 859 ret = get_errno(close(arg1)); 860 break; 861 case TARGET_NR_brk: 862 ret = do_brk((char *)arg1); 863 break; 864 case TARGET_NR_fork: 865 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 866 break; 867 case TARGET_NR_waitpid: 868 { 869 int *status = (int *)arg2; 870 ret = get_errno(waitpid(arg1, status, arg3)); 871 if (!is_error(ret) && status) 872 tswapls((long *)&status); 873 } 874 break; 875 case TARGET_NR_creat: 876 ret = get_errno(creat((const char *)arg1, arg2)); 877 break; 878 case TARGET_NR_link: 879 ret = get_errno(link((const char *)arg1, (const char *)arg2)); 880 break; 881 case TARGET_NR_unlink: 882 ret = get_errno(unlink((const char *)arg1)); 883 break; 884 case TARGET_NR_execve: 885 ret = get_errno(execve((const char *)arg1, (void *)arg2, (void *)arg3)); 886 break; 887 case TARGET_NR_chdir: 888 ret = get_errno(chdir((const char *)arg1)); 889 break; 890 case TARGET_NR_time: 891 { 892 int *time_ptr = (int *)arg1; 893 ret = get_errno(time((time_t *)time_ptr)); 894 if (!is_error(ret) && time_ptr) 895 tswap32s(time_ptr); 896 } 897 break; 898 case TARGET_NR_mknod: 899 ret = get_errno(mknod((const char *)arg1, arg2, arg3)); 900 break; 901 case TARGET_NR_chmod: 902 ret = get_errno(chmod((const char *)arg1, arg2)); 903 break; 904 case TARGET_NR_lchown: 905 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 906 break; 907 case TARGET_NR_break: 908 goto unimplemented; 909 case TARGET_NR_oldstat: 910 goto unimplemented; 911 case TARGET_NR_lseek: 912 ret = get_errno(lseek(arg1, arg2, arg3)); 913 break; 914 case TARGET_NR_getpid: 915 ret = get_errno(getpid()); 916 break; 917 case TARGET_NR_mount: 918 /* need to look at the data field */ 919 goto unimplemented; 920 case TARGET_NR_umount: 921 ret = get_errno(umount((const char *)arg1)); 922 break; 923 case TARGET_NR_setuid: 924 ret = get_errno(setuid(low2highuid(arg1))); 925 break; 926 case TARGET_NR_getuid: 927 ret = get_errno(getuid()); 928 break; 929 case TARGET_NR_stime: 930 { 931 int *time_ptr = (int *)arg1; 932 if (time_ptr) 933 tswap32s(time_ptr); 934 ret = get_errno(stime((time_t *)time_ptr)); 935 } 936 break; 937 case TARGET_NR_ptrace: 938 goto unimplemented; 939 case TARGET_NR_alarm: 940 ret = alarm(arg1); 941 break; 942 case TARGET_NR_oldfstat: 943 goto unimplemented; 944 case TARGET_NR_pause: 945 ret = get_errno(pause()); 946 break; 947 case TARGET_NR_utime: 948 goto unimplemented; 949 case TARGET_NR_stty: 950 goto unimplemented; 951 case TARGET_NR_gtty: 952 goto unimplemented; 953 case TARGET_NR_access: 954 ret = get_errno(access((const char *)arg1, arg2)); 955 break; 956 case TARGET_NR_nice: 957 ret = get_errno(nice(arg1)); 958 break; 959 case TARGET_NR_ftime: 960 goto unimplemented; 961 case TARGET_NR_sync: 962 sync(); 963 ret = 0; 964 break; 965 case TARGET_NR_kill: 966 ret = get_errno(kill(arg1, arg2)); 967 break; 968 case TARGET_NR_rename: 969 ret = get_errno(rename((const char *)arg1, (const char *)arg2)); 970 break; 971 case TARGET_NR_mkdir: 972 ret = get_errno(mkdir((const char *)arg1, arg2)); 973 break; 974 case TARGET_NR_rmdir: 975 ret = get_errno(rmdir((const char *)arg1)); 976 break; 977 case TARGET_NR_dup: 978 ret = get_errno(dup(arg1)); 979 break; 980 case TARGET_NR_pipe: 981 { 982 int *pipe_ptr = (int *)arg1; 983 ret = get_errno(pipe(pipe_ptr)); 984 if (!is_error(ret)) { 985 tswap32s(&pipe_ptr[0]); 986 tswap32s(&pipe_ptr[1]); 987 } 988 } 989 break; 990 case TARGET_NR_times: 991 goto unimplemented; 992 case TARGET_NR_prof: 993 goto unimplemented; 994 case TARGET_NR_setgid: 995 ret = get_errno(setgid(low2highgid(arg1))); 996 break; 997 case TARGET_NR_getgid: 998 ret = get_errno(getgid()); 999 break; 1000 case TARGET_NR_signal: 1001 goto unimplemented; 1002 case TARGET_NR_geteuid: 1003 ret = get_errno(geteuid()); 1004 break; 1005 case TARGET_NR_getegid: 1006 ret = get_errno(getegid()); 1007 break; 1008 case TARGET_NR_acct: 1009 goto unimplemented; 1010 case TARGET_NR_umount2: 1011 ret = get_errno(umount2((const char *)arg1, arg2)); 1012 break; 1013 case TARGET_NR_lock: 1014 goto unimplemented; 1015 case TARGET_NR_ioctl: 1016 ret = do_ioctl(arg1, arg2, arg3); 1017 break; 1018 case TARGET_NR_fcntl: 1019 switch(arg2) { 1020 case F_GETLK: 1021 case F_SETLK: 1022 case F_SETLKW: 1023 goto unimplemented; 1024 default: 1025 ret = get_errno(fcntl(arg1, arg2, arg3)); 1026 break; 1027 } 1028 break; 1029 case TARGET_NR_mpx: 1030 goto unimplemented; 1031 case TARGET_NR_setpgid: 1032 ret = get_errno(setpgid(arg1, arg2)); 1033 break; 1034 case TARGET_NR_ulimit: 1035 goto unimplemented; 1036 case TARGET_NR_oldolduname: 1037 goto unimplemented; 1038 case TARGET_NR_umask: 1039 ret = get_errno(umask(arg1)); 1040 break; 1041 case TARGET_NR_chroot: 1042 ret = get_errno(chroot((const char *)arg1)); 1043 break; 1044 case TARGET_NR_ustat: 1045 goto unimplemented; 1046 case TARGET_NR_dup2: 1047 ret = get_errno(dup2(arg1, arg2)); 1048 break; 1049 case TARGET_NR_getppid: 1050 ret = get_errno(getppid()); 1051 break; 1052 case TARGET_NR_getpgrp: 1053 ret = get_errno(getpgrp()); 1054 break; 1055 case TARGET_NR_setsid: 1056 ret = get_errno(setsid()); 1057 break; 1058 case TARGET_NR_sigaction: 1059 { 1060 struct target_old_sigaction *old_act = (void *)arg2; 1061 struct target_old_sigaction *old_oact = (void *)arg3; 1062 struct target_sigaction act, oact, *pact; 1063 if (old_act) { 1064 act._sa_handler = old_act->_sa_handler; 1065 target_siginitset(&act.sa_mask, old_act->sa_mask); 1066 act.sa_flags = old_act->sa_flags; 1067 act.sa_restorer = old_act->sa_restorer; 1068 pact = &act; 1069 } else { 1070 pact = NULL; 1071 } 1072 ret = get_errno(do_sigaction(arg1, pact, &oact)); 1073 if (!is_error(ret) && old_oact) { 1074 old_oact->_sa_handler = oact._sa_handler; 1075 old_oact->sa_mask = oact.sa_mask.sig[0]; 1076 old_oact->sa_flags = oact.sa_flags; 1077 old_oact->sa_restorer = oact.sa_restorer; 1078 } 1079 } 1080 break; 1081 case TARGET_NR_rt_sigaction: 1082 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3)); 1083 break; 1084 case TARGET_NR_sgetmask: 1085 { 1086 sigset_t cur_set; 1087 target_ulong target_set; 1088 sigprocmask(0, NULL, &cur_set); 1089 host_to_target_old_sigset(&target_set, &cur_set); 1090 ret = target_set; 1091 } 1092 break; 1093 case TARGET_NR_ssetmask: 1094 { 1095 sigset_t set, oset, cur_set; 1096 target_ulong target_set = arg1; 1097 sigprocmask(0, NULL, &cur_set); 1098 target_to_host_old_sigset(&set, &target_set); 1099 sigorset(&set, &set, &cur_set); 1100 sigprocmask(SIG_SETMASK, &set, &oset); 1101 host_to_target_old_sigset(&target_set, &oset); 1102 ret = target_set; 1103 } 1104 break; 1105 case TARGET_NR_sigprocmask: 1106 { 1107 int how = arg1; 1108 sigset_t set, oldset, *set_ptr; 1109 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3; 1110 1111 if (pset) { 1112 switch(how) { 1113 case TARGET_SIG_BLOCK: 1114 how = SIG_BLOCK; 1115 break; 1116 case TARGET_SIG_UNBLOCK: 1117 how = SIG_UNBLOCK; 1118 break; 1119 case TARGET_SIG_SETMASK: 1120 how = SIG_SETMASK; 1121 break; 1122 default: 1123 ret = -EINVAL; 1124 goto fail; 1125 } 1126 target_to_host_old_sigset(&set, pset); 1127 set_ptr = &set; 1128 } else { 1129 how = 0; 1130 set_ptr = NULL; 1131 } 1132 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 1133 if (!is_error(ret) && poldset) { 1134 host_to_target_old_sigset(poldset, &oldset); 1135 } 1136 } 1137 break; 1138 case TARGET_NR_rt_sigprocmask: 1139 { 1140 int how = arg1; 1141 sigset_t set, oldset, *set_ptr; 1142 target_sigset_t *pset = (void *)arg2; 1143 target_sigset_t *poldset = (void *)arg3; 1144 1145 if (pset) { 1146 switch(how) { 1147 case TARGET_SIG_BLOCK: 1148 how = SIG_BLOCK; 1149 break; 1150 case TARGET_SIG_UNBLOCK: 1151 how = SIG_UNBLOCK; 1152 break; 1153 case TARGET_SIG_SETMASK: 1154 how = SIG_SETMASK; 1155 break; 1156 default: 1157 ret = -EINVAL; 1158 goto fail; 1159 } 1160 target_to_host_sigset(&set, pset); 1161 set_ptr = &set; 1162 } else { 1163 how = 0; 1164 set_ptr = NULL; 1165 } 1166 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 1167 if (!is_error(ret) && poldset) { 1168 host_to_target_sigset(poldset, &oldset); 1169 } 1170 } 1171 break; 1172 case TARGET_NR_sigpending: 1173 { 1174 sigset_t set; 1175 ret = get_errno(sigpending(&set)); 1176 if (!is_error(ret)) { 1177 host_to_target_old_sigset((target_ulong *)arg1, &set); 1178 } 1179 } 1180 break; 1181 case TARGET_NR_rt_sigpending: 1182 { 1183 sigset_t set; 1184 ret = get_errno(sigpending(&set)); 1185 if (!is_error(ret)) { 1186 host_to_target_sigset((target_sigset_t *)arg1, &set); 1187 } 1188 } 1189 break; 1190 case TARGET_NR_sigsuspend: 1191 { 1192 sigset_t set; 1193 target_to_host_old_sigset(&set, (target_ulong *)arg1); 1194 ret = get_errno(sigsuspend(&set)); 1195 } 1196 break; 1197 case TARGET_NR_rt_sigsuspend: 1198 { 1199 sigset_t set; 1200 target_to_host_sigset(&set, (target_sigset_t *)arg1); 1201 ret = get_errno(sigsuspend(&set)); 1202 } 1203 break; 1204 case TARGET_NR_rt_sigtimedwait: 1205 { 1206 target_sigset_t *target_set = (void *)arg1; 1207 target_siginfo_t *target_uinfo = (void *)arg2; 1208 struct target_timespec *target_uts = (void *)arg3; 1209 sigset_t set; 1210 struct timespec uts, *puts; 1211 siginfo_t uinfo; 1212 1213 target_to_host_sigset(&set, target_set); 1214 if (target_uts) { 1215 puts = &uts; 1216 puts->tv_sec = tswapl(target_uts->tv_sec); 1217 puts->tv_nsec = tswapl(target_uts->tv_nsec); 1218 } else { 1219 puts = NULL; 1220 } 1221 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 1222 if (!is_error(ret) && target_uinfo) { 1223 host_to_target_siginfo(target_uinfo, &uinfo); 1224 } 1225 } 1226 break; 1227 case TARGET_NR_rt_sigqueueinfo: 1228 { 1229 siginfo_t uinfo; 1230 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3); 1231 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 1232 } 1233 break; 1234 case TARGET_NR_sigreturn: 1235 /* NOTE: ret is eax, so not transcoding must be done */ 1236 ret = do_sigreturn(cpu_env); 1237 break; 1238 case TARGET_NR_rt_sigreturn: 1239 /* NOTE: ret is eax, so not transcoding must be done */ 1240 ret = do_rt_sigreturn(cpu_env); 1241 break; 1242 case TARGET_NR_setreuid: 1243 ret = get_errno(setreuid(arg1, arg2)); 1244 break; 1245 case TARGET_NR_setregid: 1246 ret = get_errno(setregid(arg1, arg2)); 1247 break; 1248 case TARGET_NR_sethostname: 1249 ret = get_errno(sethostname((const char *)arg1, arg2)); 1250 break; 1251 case TARGET_NR_setrlimit: 1252 { 1253 /* XXX: convert resource ? */ 1254 int resource = arg1; 1255 struct target_rlimit *target_rlim = (void *)arg2; 1256 struct rlimit rlim; 1257 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 1258 rlim.rlim_max = tswapl(target_rlim->rlim_max); 1259 ret = get_errno(setrlimit(resource, &rlim)); 1260 } 1261 break; 1262 case TARGET_NR_getrlimit: 1263 { 1264 /* XXX: convert resource ? */ 1265 int resource = arg1; 1266 struct target_rlimit *target_rlim = (void *)arg2; 1267 struct rlimit rlim; 1268 1269 ret = get_errno(getrlimit(resource, &rlim)); 1270 if (!is_error(ret)) { 1271 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 1272 target_rlim->rlim_max = tswapl(rlim.rlim_max); 1273 } 1274 } 1275 break; 1276 case TARGET_NR_getrusage: 1277 goto unimplemented; 1278 case TARGET_NR_gettimeofday: 1279 { 1280 struct target_timeval *target_tv = (void *)arg1; 1281 struct timeval tv; 1282 ret = get_errno(gettimeofday(&tv, NULL)); 1283 if (!is_error(ret)) { 1284 target_tv->tv_sec = tswapl(tv.tv_sec); 1285 target_tv->tv_usec = tswapl(tv.tv_usec); 1286 } 1287 } 1288 break; 1289 case TARGET_NR_settimeofday: 1290 { 1291 struct target_timeval *target_tv = (void *)arg1; 1292 struct timeval tv; 1293 tv.tv_sec = tswapl(target_tv->tv_sec); 1294 tv.tv_usec = tswapl(target_tv->tv_usec); 1295 ret = get_errno(settimeofday(&tv, NULL)); 1296 } 1297 break; 1298 case TARGET_NR_getgroups: 1299 goto unimplemented; 1300 case TARGET_NR_setgroups: 1301 goto unimplemented; 1302 case TARGET_NR_select: 1303 goto unimplemented; 1304 case TARGET_NR_symlink: 1305 ret = get_errno(symlink((const char *)arg1, (const char *)arg2)); 1306 break; 1307 case TARGET_NR_oldlstat: 1308 goto unimplemented; 1309 case TARGET_NR_readlink: 1310 ret = get_errno(readlink((const char *)arg1, (char *)arg2, arg3)); 1311 break; 1312 case TARGET_NR_uselib: 1313 goto unimplemented; 1314 case TARGET_NR_swapon: 1315 ret = get_errno(swapon((const char *)arg1, arg2)); 1316 break; 1317 case TARGET_NR_reboot: 1318 goto unimplemented; 1319 case TARGET_NR_readdir: 1320 goto unimplemented; 1321 #ifdef TARGET_I386 1322 case TARGET_NR_mmap: 1323 { 1324 uint32_t v1, v2, v3, v4, v5, v6, *vptr; 1325 vptr = (uint32_t *)arg1; 1326 v1 = tswap32(vptr[0]); 1327 v2 = tswap32(vptr[1]); 1328 v3 = tswap32(vptr[2]); 1329 v4 = tswap32(vptr[3]); 1330 v5 = tswap32(vptr[4]); 1331 v6 = tswap32(vptr[5]); 1332 ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6)); 1333 } 1334 break; 1335 #endif 1336 #ifdef TARGET_I386 1337 case TARGET_NR_mmap2: 1338 #else 1339 case TARGET_NR_mmap: 1340 #endif 1341 ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6)); 1342 break; 1343 case TARGET_NR_munmap: 1344 ret = get_errno(munmap((void *)arg1, arg2)); 1345 break; 1346 case TARGET_NR_mprotect: 1347 ret = get_errno(mprotect((void *)arg1, arg2, arg3)); 1348 break; 1349 case TARGET_NR_mremap: 1350 ret = get_errno((long)mremap((void *)arg1, arg2, arg3, arg4)); 1351 break; 1352 case TARGET_NR_msync: 1353 ret = get_errno(msync((void *)arg1, arg2, arg3)); 1354 break; 1355 case TARGET_NR_mlock: 1356 ret = get_errno(mlock((void *)arg1, arg2)); 1357 break; 1358 case TARGET_NR_munlock: 1359 ret = get_errno(munlock((void *)arg1, arg2)); 1360 break; 1361 case TARGET_NR_mlockall: 1362 ret = get_errno(mlockall(arg1)); 1363 break; 1364 case TARGET_NR_munlockall: 1365 ret = get_errno(munlockall()); 1366 break; 1367 case TARGET_NR_truncate: 1368 ret = get_errno(truncate((const char *)arg1, arg2)); 1369 break; 1370 case TARGET_NR_ftruncate: 1371 ret = get_errno(ftruncate(arg1, arg2)); 1372 break; 1373 case TARGET_NR_fchmod: 1374 ret = get_errno(fchmod(arg1, arg2)); 1375 break; 1376 case TARGET_NR_fchown: 1377 ret = get_errno(fchown(arg1, arg2, arg3)); 1378 break; 1379 case TARGET_NR_getpriority: 1380 ret = get_errno(getpriority(arg1, arg2)); 1381 break; 1382 case TARGET_NR_setpriority: 1383 ret = get_errno(setpriority(arg1, arg2, arg3)); 1384 break; 1385 case TARGET_NR_profil: 1386 goto unimplemented; 1387 case TARGET_NR_statfs: 1388 stfs = (void *)arg2; 1389 ret = get_errno(sys_statfs((const char *)arg1, stfs)); 1390 convert_statfs: 1391 if (!is_error(ret)) { 1392 tswap32s(&stfs->f_type); 1393 tswap32s(&stfs->f_bsize); 1394 tswap32s(&stfs->f_blocks); 1395 tswap32s(&stfs->f_bfree); 1396 tswap32s(&stfs->f_bavail); 1397 tswap32s(&stfs->f_files); 1398 tswap32s(&stfs->f_ffree); 1399 tswap32s(&stfs->f_fsid.val[0]); 1400 tswap32s(&stfs->f_fsid.val[1]); 1401 tswap32s(&stfs->f_namelen); 1402 } 1403 break; 1404 case TARGET_NR_fstatfs: 1405 stfs = (void *)arg2; 1406 ret = get_errno(sys_fstatfs(arg1, stfs)); 1407 goto convert_statfs; 1408 case TARGET_NR_ioperm: 1409 goto unimplemented; 1410 case TARGET_NR_socketcall: 1411 ret = do_socketcall(arg1, (long *)arg2); 1412 break; 1413 case TARGET_NR_syslog: 1414 goto unimplemented; 1415 case TARGET_NR_setitimer: 1416 { 1417 struct target_itimerval *target_value = (void *)arg2; 1418 struct target_itimerval *target_ovalue = (void *)arg3; 1419 struct itimerval value, ovalue, *pvalue; 1420 1421 if (target_value) { 1422 pvalue = &value; 1423 target_to_host_timeval(&pvalue->it_interval, 1424 &target_value->it_interval); 1425 target_to_host_timeval(&pvalue->it_value, 1426 &target_value->it_value); 1427 } else { 1428 pvalue = NULL; 1429 } 1430 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 1431 if (!is_error(ret) && target_ovalue) { 1432 host_to_target_timeval(&target_ovalue->it_interval, 1433 &ovalue.it_interval); 1434 host_to_target_timeval(&target_ovalue->it_value, 1435 &ovalue.it_value); 1436 } 1437 } 1438 break; 1439 case TARGET_NR_getitimer: 1440 { 1441 struct target_itimerval *target_value = (void *)arg2; 1442 struct itimerval value; 1443 1444 ret = get_errno(getitimer(arg1, &value)); 1445 if (!is_error(ret) && target_value) { 1446 host_to_target_timeval(&target_value->it_interval, 1447 &value.it_interval); 1448 host_to_target_timeval(&target_value->it_value, 1449 &value.it_value); 1450 } 1451 } 1452 break; 1453 case TARGET_NR_stat: 1454 ret = get_errno(stat((const char *)arg1, &st)); 1455 goto do_stat; 1456 case TARGET_NR_lstat: 1457 ret = get_errno(lstat((const char *)arg1, &st)); 1458 goto do_stat; 1459 case TARGET_NR_fstat: 1460 { 1461 ret = get_errno(fstat(arg1, &st)); 1462 do_stat: 1463 if (!is_error(ret)) { 1464 struct target_stat *target_st = (void *)arg2; 1465 target_st->st_dev = tswap16(st.st_dev); 1466 target_st->st_ino = tswapl(st.st_ino); 1467 target_st->st_mode = tswap16(st.st_mode); 1468 target_st->st_nlink = tswap16(st.st_nlink); 1469 target_st->st_uid = tswap16(st.st_uid); 1470 target_st->st_gid = tswap16(st.st_gid); 1471 target_st->st_rdev = tswap16(st.st_rdev); 1472 target_st->st_size = tswapl(st.st_size); 1473 target_st->st_blksize = tswapl(st.st_blksize); 1474 target_st->st_blocks = tswapl(st.st_blocks); 1475 target_st->st_atime = tswapl(st.st_atime); 1476 target_st->st_mtime = tswapl(st.st_mtime); 1477 target_st->st_ctime = tswapl(st.st_ctime); 1478 } 1479 } 1480 break; 1481 case TARGET_NR_olduname: 1482 goto unimplemented; 1483 case TARGET_NR_iopl: 1484 goto unimplemented; 1485 case TARGET_NR_vhangup: 1486 ret = get_errno(vhangup()); 1487 break; 1488 case TARGET_NR_idle: 1489 goto unimplemented; 1490 case TARGET_NR_vm86old: 1491 goto unimplemented; 1492 case TARGET_NR_wait4: 1493 { 1494 int status; 1495 target_long *status_ptr = (void *)arg2; 1496 struct rusage rusage, *rusage_ptr; 1497 struct target_rusage *target_rusage = (void *)arg4; 1498 if (target_rusage) 1499 rusage_ptr = &rusage; 1500 else 1501 rusage_ptr = NULL; 1502 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 1503 if (!is_error(ret)) { 1504 if (status_ptr) 1505 *status_ptr = tswap32(status); 1506 if (target_rusage) { 1507 target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec); 1508 target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec); 1509 target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec); 1510 target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec); 1511 target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss); 1512 target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss); 1513 target_rusage->ru_idrss = tswapl(rusage.ru_idrss); 1514 target_rusage->ru_isrss = tswapl(rusage.ru_isrss); 1515 target_rusage->ru_minflt = tswapl(rusage.ru_minflt); 1516 target_rusage->ru_majflt = tswapl(rusage.ru_majflt); 1517 target_rusage->ru_nswap = tswapl(rusage.ru_nswap); 1518 target_rusage->ru_inblock = tswapl(rusage.ru_inblock); 1519 target_rusage->ru_oublock = tswapl(rusage.ru_oublock); 1520 target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd); 1521 target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv); 1522 target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals); 1523 target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw); 1524 target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw); 1525 } 1526 } 1527 } 1528 break; 1529 case TARGET_NR_swapoff: 1530 ret = get_errno(swapoff((const char *)arg1)); 1531 break; 1532 case TARGET_NR_sysinfo: 1533 goto unimplemented; 1534 case TARGET_NR_ipc: 1535 goto unimplemented; 1536 case TARGET_NR_fsync: 1537 ret = get_errno(fsync(arg1)); 1538 break; 1539 case TARGET_NR_clone: 1540 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 1541 break; 1542 case TARGET_NR_setdomainname: 1543 ret = get_errno(setdomainname((const char *)arg1, arg2)); 1544 break; 1545 case TARGET_NR_uname: 1546 /* no need to transcode because we use the linux syscall */ 1547 ret = get_errno(sys_uname((struct new_utsname *)arg1)); 1548 break; 1549 #ifdef TARGET_I386 1550 case TARGET_NR_modify_ldt: 1551 ret = get_errno(gemu_modify_ldt(cpu_env, arg1, (void *)arg2, arg3)); 1552 break; 1553 #endif 1554 case TARGET_NR_adjtimex: 1555 goto unimplemented; 1556 case TARGET_NR_create_module: 1557 case TARGET_NR_init_module: 1558 case TARGET_NR_delete_module: 1559 case TARGET_NR_get_kernel_syms: 1560 goto unimplemented; 1561 case TARGET_NR_quotactl: 1562 goto unimplemented; 1563 case TARGET_NR_getpgid: 1564 ret = get_errno(getpgid(arg1)); 1565 break; 1566 case TARGET_NR_fchdir: 1567 ret = get_errno(fchdir(arg1)); 1568 break; 1569 case TARGET_NR_bdflush: 1570 goto unimplemented; 1571 case TARGET_NR_sysfs: 1572 goto unimplemented; 1573 case TARGET_NR_personality: 1574 ret = get_errno(personality(arg1)); 1575 break; 1576 case TARGET_NR_afs_syscall: 1577 goto unimplemented; 1578 case TARGET_NR_setfsuid: 1579 ret = get_errno(setfsuid(arg1)); 1580 break; 1581 case TARGET_NR_setfsgid: 1582 ret = get_errno(setfsgid(arg1)); 1583 break; 1584 case TARGET_NR__llseek: 1585 { 1586 int64_t res; 1587 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 1588 *(int64_t *)arg4 = tswap64(res); 1589 } 1590 break; 1591 case TARGET_NR_getdents: 1592 #if TARGET_LONG_SIZE != 4 1593 #error not supported 1594 #endif 1595 { 1596 struct dirent *dirp = (void *)arg2; 1597 long count = arg3; 1598 1599 ret = get_errno(sys_getdents(arg1, dirp, count)); 1600 if (!is_error(ret)) { 1601 struct dirent *de; 1602 int len = ret; 1603 int reclen; 1604 de = dirp; 1605 while (len > 0) { 1606 reclen = tswap16(de->d_reclen); 1607 if (reclen > len) 1608 break; 1609 de->d_reclen = reclen; 1610 tswapls(&de->d_ino); 1611 tswapls(&de->d_off); 1612 de = (struct dirent *)((char *)de + reclen); 1613 len -= reclen; 1614 } 1615 } 1616 } 1617 break; 1618 case TARGET_NR_getdents64: 1619 { 1620 struct dirent64 *dirp = (void *)arg2; 1621 long count = arg3; 1622 ret = get_errno(sys_getdents64(arg1, dirp, count)); 1623 if (!is_error(ret)) { 1624 struct dirent64 *de; 1625 int len = ret; 1626 int reclen; 1627 de = dirp; 1628 while (len > 0) { 1629 reclen = tswap16(de->d_reclen); 1630 if (reclen > len) 1631 break; 1632 de->d_reclen = reclen; 1633 tswap64s(&de->d_ino); 1634 tswap64s(&de->d_off); 1635 de = (struct dirent64 *)((char *)de + reclen); 1636 len -= reclen; 1637 } 1638 } 1639 } 1640 break; 1641 case TARGET_NR__newselect: 1642 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 1643 (void *)arg5); 1644 break; 1645 case TARGET_NR_poll: 1646 { 1647 struct target_pollfd *target_pfd = (void *)arg1; 1648 unsigned int nfds = arg2; 1649 int timeout = arg3; 1650 struct pollfd *pfd; 1651 int i; 1652 1653 pfd = alloca(sizeof(struct pollfd) * nfds); 1654 for(i = 0; i < nfds; i++) { 1655 pfd->fd = tswap32(target_pfd->fd); 1656 pfd->events = tswap16(target_pfd->events); 1657 } 1658 ret = get_errno(poll(pfd, nfds, timeout)); 1659 if (!is_error(ret)) { 1660 for(i = 0; i < nfds; i++) { 1661 target_pfd->revents = tswap16(pfd->revents); 1662 } 1663 } 1664 } 1665 break; 1666 case TARGET_NR_flock: 1667 /* NOTE: the flock constant seems to be the same for every 1668 Linux platform */ 1669 ret = get_errno(flock(arg1, arg2)); 1670 break; 1671 case TARGET_NR_readv: 1672 { 1673 int count = arg3; 1674 int i; 1675 struct iovec *vec; 1676 struct target_iovec *target_vec = (void *)arg2; 1677 1678 vec = alloca(count * sizeof(struct iovec)); 1679 for(i = 0;i < count; i++) { 1680 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 1681 vec[i].iov_len = tswapl(target_vec[i].iov_len); 1682 } 1683 ret = get_errno(readv(arg1, vec, count)); 1684 } 1685 break; 1686 case TARGET_NR_writev: 1687 { 1688 int count = arg3; 1689 int i; 1690 struct iovec *vec; 1691 struct target_iovec *target_vec = (void *)arg2; 1692 1693 vec = alloca(count * sizeof(struct iovec)); 1694 for(i = 0;i < count; i++) { 1695 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 1696 vec[i].iov_len = tswapl(target_vec[i].iov_len); 1697 } 1698 ret = get_errno(writev(arg1, vec, count)); 1699 } 1700 break; 1701 case TARGET_NR_getsid: 1702 ret = get_errno(getsid(arg1)); 1703 break; 1704 case TARGET_NR_fdatasync: 1705 goto unimplemented; 1706 case TARGET_NR__sysctl: 1707 goto unimplemented; 1708 case TARGET_NR_sched_setparam: 1709 goto unimplemented; 1710 case TARGET_NR_sched_getparam: 1711 goto unimplemented; 1712 case TARGET_NR_sched_setscheduler: 1713 goto unimplemented; 1714 case TARGET_NR_sched_getscheduler: 1715 goto unimplemented; 1716 case TARGET_NR_sched_yield: 1717 ret = get_errno(sched_yield()); 1718 break; 1719 case TARGET_NR_sched_get_priority_max: 1720 case TARGET_NR_sched_get_priority_min: 1721 case TARGET_NR_sched_rr_get_interval: 1722 goto unimplemented; 1723 1724 case TARGET_NR_nanosleep: 1725 { 1726 struct target_timespec *target_req = (void *)arg1; 1727 struct target_timespec *target_rem = (void *)arg2; 1728 struct timespec req, rem; 1729 req.tv_sec = tswapl(target_req->tv_sec); 1730 req.tv_nsec = tswapl(target_req->tv_nsec); 1731 ret = get_errno(nanosleep(&req, &rem)); 1732 if (target_rem) { 1733 target_rem->tv_sec = tswapl(rem.tv_sec); 1734 target_rem->tv_nsec = tswapl(rem.tv_nsec); 1735 } 1736 } 1737 break; 1738 case TARGET_NR_setresuid: 1739 ret = get_errno(setresuid(low2highuid(arg1), 1740 low2highuid(arg2), 1741 low2highuid(arg3))); 1742 break; 1743 case TARGET_NR_getresuid: 1744 { 1745 int ruid, euid, suid; 1746 ret = get_errno(getresuid(&ruid, &euid, &suid)); 1747 if (!is_error(ret)) { 1748 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid)); 1749 *(uint16_t *)arg2 = tswap16(high2lowuid(euid)); 1750 *(uint16_t *)arg3 = tswap16(high2lowuid(suid)); 1751 } 1752 } 1753 break; 1754 case TARGET_NR_setresgid: 1755 ret = get_errno(setresgid(low2highgid(arg1), 1756 low2highgid(arg2), 1757 low2highgid(arg3))); 1758 break; 1759 case TARGET_NR_getresgid: 1760 { 1761 int rgid, egid, sgid; 1762 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 1763 if (!is_error(ret)) { 1764 *(uint16_t *)arg1 = high2lowgid(tswap16(rgid)); 1765 *(uint16_t *)arg2 = high2lowgid(tswap16(egid)); 1766 *(uint16_t *)arg3 = high2lowgid(tswap16(sgid)); 1767 } 1768 } 1769 break; 1770 case TARGET_NR_vm86: 1771 case TARGET_NR_query_module: 1772 case TARGET_NR_nfsservctl: 1773 case TARGET_NR_prctl: 1774 case TARGET_NR_pread: 1775 case TARGET_NR_pwrite: 1776 goto unimplemented; 1777 case TARGET_NR_chown: 1778 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 1779 break; 1780 case TARGET_NR_getcwd: 1781 ret = get_errno(sys_getcwd1((char *)arg1, arg2)); 1782 break; 1783 case TARGET_NR_capget: 1784 case TARGET_NR_capset: 1785 case TARGET_NR_sigaltstack: 1786 case TARGET_NR_sendfile: 1787 case TARGET_NR_getpmsg: 1788 case TARGET_NR_putpmsg: 1789 case TARGET_NR_vfork: 1790 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 1791 break; 1792 case TARGET_NR_ugetrlimit: 1793 case TARGET_NR_truncate64: 1794 case TARGET_NR_ftruncate64: 1795 goto unimplemented; 1796 case TARGET_NR_stat64: 1797 ret = get_errno(stat((const char *)arg1, &st)); 1798 goto do_stat64; 1799 case TARGET_NR_lstat64: 1800 ret = get_errno(lstat((const char *)arg1, &st)); 1801 goto do_stat64; 1802 case TARGET_NR_fstat64: 1803 { 1804 ret = get_errno(fstat(arg1, &st)); 1805 do_stat64: 1806 if (!is_error(ret)) { 1807 struct target_stat64 *target_st = (void *)arg2; 1808 target_st->st_dev = tswap16(st.st_dev); 1809 target_st->st_ino = tswapl(st.st_ino); 1810 target_st->st_mode = tswap16(st.st_mode); 1811 target_st->st_nlink = tswap16(st.st_nlink); 1812 target_st->st_uid = tswap16(st.st_uid); 1813 target_st->st_gid = tswap16(st.st_gid); 1814 target_st->st_rdev = tswap16(st.st_rdev); 1815 /* XXX: better use of kernel struct */ 1816 target_st->st_size = tswapl(st.st_size); 1817 target_st->st_blksize = tswapl(st.st_blksize); 1818 target_st->st_blocks = tswapl(st.st_blocks); 1819 target_st->st_atime = tswapl(st.st_atime); 1820 target_st->st_mtime = tswapl(st.st_mtime); 1821 target_st->st_ctime = tswapl(st.st_ctime); 1822 } 1823 } 1824 break; 1825 1826 case TARGET_NR_lchown32: 1827 ret = get_errno(lchown((const char *)arg1, arg2, arg3)); 1828 break; 1829 case TARGET_NR_getuid32: 1830 ret = get_errno(getuid()); 1831 break; 1832 case TARGET_NR_getgid32: 1833 ret = get_errno(getgid()); 1834 break; 1835 case TARGET_NR_geteuid32: 1836 ret = get_errno(geteuid()); 1837 break; 1838 case TARGET_NR_getegid32: 1839 ret = get_errno(getegid()); 1840 break; 1841 case TARGET_NR_setreuid32: 1842 ret = get_errno(setreuid(arg1, arg2)); 1843 break; 1844 case TARGET_NR_setregid32: 1845 ret = get_errno(setregid(arg1, arg2)); 1846 break; 1847 case TARGET_NR_getgroups32: 1848 goto unimplemented; 1849 case TARGET_NR_setgroups32: 1850 goto unimplemented; 1851 case TARGET_NR_fchown32: 1852 ret = get_errno(fchown(arg1, arg2, arg3)); 1853 break; 1854 case TARGET_NR_setresuid32: 1855 ret = get_errno(setresuid(arg1, arg2, arg3)); 1856 break; 1857 case TARGET_NR_getresuid32: 1858 { 1859 int ruid, euid, suid; 1860 ret = get_errno(getresuid(&ruid, &euid, &suid)); 1861 if (!is_error(ret)) { 1862 *(uint32_t *)arg1 = tswap32(ruid); 1863 *(uint32_t *)arg2 = tswap32(euid); 1864 *(uint32_t *)arg3 = tswap32(suid); 1865 } 1866 } 1867 break; 1868 case TARGET_NR_setresgid32: 1869 ret = get_errno(setresgid(arg1, arg2, arg3)); 1870 break; 1871 case TARGET_NR_getresgid32: 1872 { 1873 int rgid, egid, sgid; 1874 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 1875 if (!is_error(ret)) { 1876 *(uint32_t *)arg1 = tswap32(rgid); 1877 *(uint32_t *)arg2 = tswap32(egid); 1878 *(uint32_t *)arg3 = tswap32(sgid); 1879 } 1880 } 1881 break; 1882 case TARGET_NR_chown32: 1883 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 1884 break; 1885 case TARGET_NR_setuid32: 1886 ret = get_errno(setuid(arg1)); 1887 break; 1888 case TARGET_NR_setgid32: 1889 ret = get_errno(setgid(arg1)); 1890 break; 1891 case TARGET_NR_setfsuid32: 1892 ret = get_errno(setfsuid(arg1)); 1893 break; 1894 case TARGET_NR_setfsgid32: 1895 ret = get_errno(setfsgid(arg1)); 1896 break; 1897 case TARGET_NR_pivot_root: 1898 goto unimplemented; 1899 case TARGET_NR_mincore: 1900 goto unimplemented; 1901 case TARGET_NR_madvise: 1902 goto unimplemented; 1903 #if TARGET_LONG_BITS == 32 1904 case TARGET_NR_fcntl64: 1905 switch(arg2) { 1906 case F_GETLK64: 1907 case F_SETLK64: 1908 case F_SETLKW64: 1909 goto unimplemented; 1910 default: 1911 ret = get_errno(fcntl(arg1, arg2, arg3)); 1912 break; 1913 } 1914 break; 1915 #endif 1916 case TARGET_NR_security: 1917 goto unimplemented; 1918 case TARGET_NR_gettid: 1919 ret = get_errno(gettid()); 1920 break; 1921 case TARGET_NR_readahead: 1922 case TARGET_NR_setxattr: 1923 case TARGET_NR_lsetxattr: 1924 case TARGET_NR_fsetxattr: 1925 case TARGET_NR_getxattr: 1926 case TARGET_NR_lgetxattr: 1927 case TARGET_NR_fgetxattr: 1928 case TARGET_NR_listxattr: 1929 case TARGET_NR_llistxattr: 1930 case TARGET_NR_flistxattr: 1931 case TARGET_NR_removexattr: 1932 case TARGET_NR_lremovexattr: 1933 case TARGET_NR_fremovexattr: 1934 goto unimplemented; 1935 default: 1936 unimplemented: 1937 gemu_log("gemu: Unsupported syscall: %d\n", num); 1938 ret = -ENOSYS; 1939 break; 1940 } 1941 fail: 1942 return ret; 1943 } 1944 1945