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 "qemu.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(uid_t, uid_t, uid_t); 107 extern int getresuid(uid_t *, uid_t *, uid_t *); 108 extern int setresgid(gid_t, gid_t, gid_t); 109 extern int getresgid(gid_t *, gid_t *, gid_t *); 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 const 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 const 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 target_to_host_timeval(&tv, target_tv); 242 tv_ptr = &tv; 243 } else { 244 tv_ptr = NULL; 245 } 246 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); 247 if (!is_error(ret)) { 248 host_to_target_fds(target_rfds, rfds_ptr, n); 249 host_to_target_fds(target_wfds, wfds_ptr, n); 250 host_to_target_fds(target_efds, efds_ptr, n); 251 252 if (target_tv) { 253 host_to_target_timeval(target_tv, &tv); 254 } 255 } 256 return ret; 257 } 258 259 static long do_socketcall(int num, long *vptr) 260 { 261 long ret; 262 263 switch(num) { 264 case SOCKOP_socket: 265 ret = get_errno(socket(vptr[0], vptr[1], vptr[2])); 266 break; 267 case SOCKOP_bind: 268 ret = get_errno(bind(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); 269 break; 270 case SOCKOP_connect: 271 ret = get_errno(connect(vptr[0], (struct sockaddr *)vptr[1], vptr[2])); 272 break; 273 case SOCKOP_listen: 274 ret = get_errno(listen(vptr[0], vptr[1])); 275 break; 276 case SOCKOP_accept: 277 { 278 socklen_t size; 279 size = tswap32(*(int32_t *)vptr[2]); 280 ret = get_errno(accept(vptr[0], (struct sockaddr *)vptr[1], &size)); 281 if (!is_error(ret)) 282 *(int32_t *)vptr[2] = size; 283 } 284 break; 285 case SOCKOP_getsockname: 286 { 287 socklen_t size; 288 size = tswap32(*(int32_t *)vptr[2]); 289 ret = get_errno(getsockname(vptr[0], (struct sockaddr *)vptr[1], &size)); 290 if (!is_error(ret)) 291 *(int32_t *)vptr[2] = size; 292 } 293 break; 294 case SOCKOP_getpeername: 295 { 296 socklen_t size; 297 size = tswap32(*(int32_t *)vptr[2]); 298 ret = get_errno(getpeername(vptr[0], (struct sockaddr *)vptr[1], &size)); 299 if (!is_error(ret)) 300 *(int32_t *)vptr[2] = size; 301 } 302 break; 303 case SOCKOP_socketpair: 304 { 305 int tab[2]; 306 int32_t *target_tab = (int32_t *)vptr[3]; 307 ret = get_errno(socketpair(vptr[0], vptr[1], vptr[2], tab)); 308 if (!is_error(ret)) { 309 target_tab[0] = tswap32(tab[0]); 310 target_tab[1] = tswap32(tab[1]); 311 } 312 } 313 break; 314 case SOCKOP_send: 315 ret = get_errno(send(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); 316 break; 317 case SOCKOP_recv: 318 ret = get_errno(recv(vptr[0], (void *)vptr[1], vptr[2], vptr[3])); 319 break; 320 case SOCKOP_sendto: 321 ret = get_errno(sendto(vptr[0], (void *)vptr[1], vptr[2], vptr[3], 322 (struct sockaddr *)vptr[4], vptr[5])); 323 break; 324 case SOCKOP_recvfrom: 325 { 326 socklen_t size; 327 size = tswap32(*(int32_t *)vptr[5]); 328 ret = get_errno(recvfrom(vptr[0], (void *)vptr[1], vptr[2], 329 vptr[3], (struct sockaddr *)vptr[4], &size)); 330 if (!is_error(ret)) 331 *(int32_t *)vptr[5] = size; 332 } 333 break; 334 case SOCKOP_shutdown: 335 ret = get_errno(shutdown(vptr[0], vptr[1])); 336 break; 337 case SOCKOP_sendmsg: 338 case SOCKOP_recvmsg: 339 { 340 int fd; 341 struct target_msghdr *msgp; 342 struct msghdr msg; 343 int flags, count, i; 344 struct iovec *vec; 345 struct target_iovec *target_vec; 346 347 msgp = (void *)vptr[1]; 348 msg.msg_name = (void *)tswapl(msgp->msg_name); 349 msg.msg_namelen = tswapl(msgp->msg_namelen); 350 msg.msg_control = (void *)tswapl(msgp->msg_control); 351 msg.msg_controllen = tswapl(msgp->msg_controllen); 352 msg.msg_flags = tswap32(msgp->msg_flags); 353 354 count = tswapl(msgp->msg_iovlen); 355 vec = alloca(count * sizeof(struct iovec)); 356 target_vec = (void *)tswapl(msgp->msg_iov); 357 for(i = 0;i < count; i++) { 358 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 359 vec[i].iov_len = tswapl(target_vec[i].iov_len); 360 } 361 msg.msg_iovlen = count; 362 msg.msg_iov = vec; 363 364 fd = vptr[0]; 365 flags = vptr[2]; 366 if (num == SOCKOP_sendmsg) 367 ret = sendmsg(fd, &msg, flags); 368 else 369 ret = recvmsg(fd, &msg, flags); 370 ret = get_errno(ret); 371 } 372 break; 373 case SOCKOP_setsockopt: 374 case SOCKOP_getsockopt: 375 default: 376 gemu_log("Unsupported socketcall: %d\n", num); 377 ret = -ENOSYS; 378 break; 379 } 380 return ret; 381 } 382 383 /* kernel structure types definitions */ 384 #define IFNAMSIZ 16 385 386 #define STRUCT(name, list...) STRUCT_ ## name, 387 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 388 enum { 389 #include "syscall_types.h" 390 }; 391 #undef STRUCT 392 #undef STRUCT_SPECIAL 393 394 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 395 #define STRUCT_SPECIAL(name) 396 #include "syscall_types.h" 397 #undef STRUCT 398 #undef STRUCT_SPECIAL 399 400 typedef struct IOCTLEntry { 401 int target_cmd; 402 int host_cmd; 403 const char *name; 404 int access; 405 const argtype arg_type[5]; 406 } IOCTLEntry; 407 408 #define IOC_R 0x0001 409 #define IOC_W 0x0002 410 #define IOC_RW (IOC_R | IOC_W) 411 412 #define MAX_STRUCT_SIZE 4096 413 414 const IOCTLEntry ioctl_entries[] = { 415 #define IOCTL(cmd, access, types...) \ 416 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 417 #include "ioctls.h" 418 { 0, 0, }, 419 }; 420 421 static long do_ioctl(long fd, long cmd, long arg) 422 { 423 const IOCTLEntry *ie; 424 const argtype *arg_type; 425 long ret; 426 uint8_t buf_temp[MAX_STRUCT_SIZE]; 427 428 ie = ioctl_entries; 429 for(;;) { 430 if (ie->target_cmd == 0) { 431 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); 432 return -ENOSYS; 433 } 434 if (ie->target_cmd == cmd) 435 break; 436 ie++; 437 } 438 arg_type = ie->arg_type; 439 #if defined(DEBUG) 440 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); 441 #endif 442 switch(arg_type[0]) { 443 case TYPE_NULL: 444 /* no argument */ 445 ret = get_errno(ioctl(fd, ie->host_cmd)); 446 break; 447 case TYPE_PTRVOID: 448 case TYPE_INT: 449 /* int argment */ 450 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 451 break; 452 case TYPE_PTR: 453 arg_type++; 454 switch(ie->access) { 455 case IOC_R: 456 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 457 if (!is_error(ret)) { 458 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 459 } 460 break; 461 case IOC_W: 462 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 463 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 464 break; 465 default: 466 case IOC_RW: 467 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 468 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 469 if (!is_error(ret)) { 470 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 471 } 472 break; 473 } 474 break; 475 default: 476 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); 477 ret = -ENOSYS; 478 break; 479 } 480 return ret; 481 } 482 483 bitmask_transtbl iflag_tbl[] = { 484 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 485 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 486 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 487 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 488 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 489 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 490 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 491 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 492 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 493 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 494 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 495 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 496 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 497 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 498 { 0, 0, 0, 0 } 499 }; 500 501 bitmask_transtbl oflag_tbl[] = { 502 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 503 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 504 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 505 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 506 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 507 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 508 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 509 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 510 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 511 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 512 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 513 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 514 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 515 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 516 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 517 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 518 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 519 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 520 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 521 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 522 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 523 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 524 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 525 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 526 { 0, 0, 0, 0 } 527 }; 528 529 bitmask_transtbl cflag_tbl[] = { 530 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 531 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 532 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 533 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 534 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 535 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 536 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 537 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 538 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 539 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 540 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 541 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 542 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 543 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 544 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 545 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 546 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 547 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 548 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 549 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 550 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 551 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 552 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 553 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 554 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 555 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 556 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 557 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 558 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 559 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 560 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 561 { 0, 0, 0, 0 } 562 }; 563 564 bitmask_transtbl lflag_tbl[] = { 565 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 566 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 567 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 568 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 569 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 570 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 571 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 572 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 573 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 574 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 575 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 576 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 577 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 578 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 579 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 580 { 0, 0, 0, 0 } 581 }; 582 583 static void target_to_host_termios (void *dst, const void *src) 584 { 585 struct host_termios *host = dst; 586 const struct target_termios *target = src; 587 588 host->c_iflag = 589 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 590 host->c_oflag = 591 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 592 host->c_cflag = 593 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 594 host->c_lflag = 595 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 596 host->c_line = target->c_line; 597 598 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 599 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 600 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 601 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 602 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 603 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 604 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 605 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 606 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 607 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 608 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 609 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 610 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 611 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 612 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 613 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 614 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 615 } 616 617 static void host_to_target_termios (void *dst, const void *src) 618 { 619 struct target_termios *target = dst; 620 const struct host_termios *host = src; 621 622 target->c_iflag = 623 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 624 target->c_oflag = 625 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 626 target->c_cflag = 627 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 628 target->c_lflag = 629 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 630 target->c_line = host->c_line; 631 632 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 633 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 634 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 635 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 636 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 637 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 638 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 639 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 640 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 641 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 642 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 643 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 644 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 645 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 646 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 647 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 648 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 649 } 650 651 StructEntry struct_termios_def = { 652 .convert = { host_to_target_termios, target_to_host_termios }, 653 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 654 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 655 }; 656 657 #ifdef TARGET_I386 658 659 /* NOTE: there is really one LDT for all the threads */ 660 uint8_t *ldt_table; 661 662 static int read_ldt(void *ptr, unsigned long bytecount) 663 { 664 int size; 665 666 if (!ldt_table) 667 return 0; 668 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 669 if (size > bytecount) 670 size = bytecount; 671 memcpy(ptr, ldt_table, size); 672 return size; 673 } 674 675 /* XXX: add locking support */ 676 static int write_ldt(CPUX86State *env, 677 void *ptr, unsigned long bytecount, int oldmode) 678 { 679 struct target_modify_ldt_ldt_s ldt_info; 680 int seg_32bit, contents, read_exec_only, limit_in_pages; 681 int seg_not_present, useable; 682 uint32_t *lp, entry_1, entry_2; 683 684 if (bytecount != sizeof(ldt_info)) 685 return -EINVAL; 686 memcpy(&ldt_info, ptr, sizeof(ldt_info)); 687 tswap32s(&ldt_info.entry_number); 688 tswapls((long *)&ldt_info.base_addr); 689 tswap32s(&ldt_info.limit); 690 tswap32s(&ldt_info.flags); 691 692 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 693 return -EINVAL; 694 seg_32bit = ldt_info.flags & 1; 695 contents = (ldt_info.flags >> 1) & 3; 696 read_exec_only = (ldt_info.flags >> 3) & 1; 697 limit_in_pages = (ldt_info.flags >> 4) & 1; 698 seg_not_present = (ldt_info.flags >> 5) & 1; 699 useable = (ldt_info.flags >> 6) & 1; 700 701 if (contents == 3) { 702 if (oldmode) 703 return -EINVAL; 704 if (seg_not_present == 0) 705 return -EINVAL; 706 } 707 /* allocate the LDT */ 708 if (!ldt_table) { 709 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 710 if (!ldt_table) 711 return -ENOMEM; 712 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 713 env->ldt.base = ldt_table; 714 env->ldt.limit = 0xffff; 715 } 716 717 /* NOTE: same code as Linux kernel */ 718 /* Allow LDTs to be cleared by the user. */ 719 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 720 if (oldmode || 721 (contents == 0 && 722 read_exec_only == 1 && 723 seg_32bit == 0 && 724 limit_in_pages == 0 && 725 seg_not_present == 1 && 726 useable == 0 )) { 727 entry_1 = 0; 728 entry_2 = 0; 729 goto install; 730 } 731 } 732 733 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 734 (ldt_info.limit & 0x0ffff); 735 entry_2 = (ldt_info.base_addr & 0xff000000) | 736 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 737 (ldt_info.limit & 0xf0000) | 738 ((read_exec_only ^ 1) << 9) | 739 (contents << 10) | 740 ((seg_not_present ^ 1) << 15) | 741 (seg_32bit << 22) | 742 (limit_in_pages << 23) | 743 0x7000; 744 if (!oldmode) 745 entry_2 |= (useable << 20); 746 747 /* Install the new entry ... */ 748 install: 749 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 750 lp[0] = tswap32(entry_1); 751 lp[1] = tswap32(entry_2); 752 return 0; 753 } 754 755 /* specific and weird i386 syscalls */ 756 int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount) 757 { 758 int ret = -ENOSYS; 759 760 switch (func) { 761 case 0: 762 ret = read_ldt(ptr, bytecount); 763 break; 764 case 1: 765 ret = write_ldt(env, ptr, bytecount, 1); 766 break; 767 case 0x11: 768 ret = write_ldt(env, ptr, bytecount, 0); 769 break; 770 } 771 return ret; 772 } 773 774 /* vm86 emulation */ 775 776 #define SAFE_MASK (0xDD5) 777 778 int do_vm86(CPUX86State *env, long subfunction, 779 struct target_vm86plus_struct * target_v86) 780 { 781 TaskState *ts = env->opaque; 782 int ret; 783 784 switch (subfunction) { 785 case TARGET_VM86_REQUEST_IRQ: 786 case TARGET_VM86_FREE_IRQ: 787 case TARGET_VM86_GET_IRQ_BITS: 788 case TARGET_VM86_GET_AND_RESET_IRQ: 789 gemu_log("qemu: unsupported vm86 subfunction (%ld)\n", subfunction); 790 ret = -EINVAL; 791 goto out; 792 case TARGET_VM86_PLUS_INSTALL_CHECK: 793 /* NOTE: on old vm86 stuff this will return the error 794 from verify_area(), because the subfunction is 795 interpreted as (invalid) address to vm86_struct. 796 So the installation check works. 797 */ 798 ret = 0; 799 goto out; 800 } 801 802 ts->target_v86 = target_v86; 803 804 /* save current CPU regs */ 805 ts->vm86_saved_regs.eax = 0; /* default vm86 syscall return code */ 806 ts->vm86_saved_regs.ebx = env->regs[R_EBX]; 807 ts->vm86_saved_regs.ecx = env->regs[R_ECX]; 808 ts->vm86_saved_regs.edx = env->regs[R_EDX]; 809 ts->vm86_saved_regs.esi = env->regs[R_ESI]; 810 ts->vm86_saved_regs.edi = env->regs[R_EDI]; 811 ts->vm86_saved_regs.ebp = env->regs[R_EBP]; 812 ts->vm86_saved_regs.esp = env->regs[R_ESP]; 813 ts->vm86_saved_regs.eflags = env->eflags; 814 ts->vm86_saved_regs.eip = env->eip; 815 ts->vm86_saved_regs.cs = env->segs[R_CS]; 816 ts->vm86_saved_regs.ss = env->segs[R_SS]; 817 ts->vm86_saved_regs.ds = env->segs[R_DS]; 818 ts->vm86_saved_regs.es = env->segs[R_ES]; 819 ts->vm86_saved_regs.fs = env->segs[R_FS]; 820 ts->vm86_saved_regs.gs = env->segs[R_GS]; 821 822 /* build vm86 CPU state */ 823 env->eflags = (env->eflags & ~SAFE_MASK) | 824 (tswap32(target_v86->regs.eflags) & SAFE_MASK) | VM_MASK; 825 826 env->regs[R_EBX] = tswap32(target_v86->regs.ebx); 827 env->regs[R_ECX] = tswap32(target_v86->regs.ecx); 828 env->regs[R_EDX] = tswap32(target_v86->regs.edx); 829 env->regs[R_ESI] = tswap32(target_v86->regs.esi); 830 env->regs[R_EDI] = tswap32(target_v86->regs.edi); 831 env->regs[R_EBP] = tswap32(target_v86->regs.ebp); 832 env->regs[R_ESP] = tswap32(target_v86->regs.esp); 833 env->eip = tswap32(target_v86->regs.eip); 834 cpu_x86_load_seg(env, R_CS, tswap16(target_v86->regs.cs)); 835 cpu_x86_load_seg(env, R_SS, tswap16(target_v86->regs.ss)); 836 cpu_x86_load_seg(env, R_DS, tswap16(target_v86->regs.ds)); 837 cpu_x86_load_seg(env, R_ES, tswap16(target_v86->regs.es)); 838 cpu_x86_load_seg(env, R_FS, tswap16(target_v86->regs.fs)); 839 cpu_x86_load_seg(env, R_GS, tswap16(target_v86->regs.gs)); 840 ret = tswap32(target_v86->regs.eax); /* eax will be restored at 841 the end of the syscall */ 842 /* now the virtual CPU is ready for vm86 execution ! */ 843 out: 844 return ret; 845 } 846 847 /* this stack is the equivalent of the kernel stack associated with a 848 thread/process */ 849 #define NEW_STACK_SIZE 8192 850 851 static int clone_func(void *arg) 852 { 853 CPUX86State *env = arg; 854 cpu_loop(env); 855 /* never exits */ 856 return 0; 857 } 858 859 int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp) 860 { 861 int ret; 862 TaskState *ts; 863 uint8_t *new_stack; 864 CPUX86State *new_env; 865 866 if (flags & CLONE_VM) { 867 if (!newsp) 868 newsp = env->regs[R_ESP]; 869 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 870 memset(ts, 0, sizeof(TaskState)); 871 new_stack = ts->stack; 872 ts->used = 1; 873 /* add in task state list */ 874 ts->next = first_task_state; 875 first_task_state = ts; 876 /* we create a new CPU instance. */ 877 new_env = cpu_x86_init(); 878 memcpy(new_env, env, sizeof(CPUX86State)); 879 new_env->regs[R_ESP] = newsp; 880 new_env->regs[R_EAX] = 0; 881 new_env->opaque = ts; 882 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 883 } else { 884 /* if no CLONE_VM, we consider it is a fork */ 885 if ((flags & ~CSIGNAL) != 0) 886 return -EINVAL; 887 ret = fork(); 888 } 889 return ret; 890 } 891 892 #endif 893 894 #define high2lowuid(x) (x) 895 #define high2lowgid(x) (x) 896 #define low2highuid(x) (x) 897 #define low2highgid(x) (x) 898 899 void syscall_init(void) 900 { 901 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 902 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 903 #include "syscall_types.h" 904 #undef STRUCT 905 #undef STRUCT_SPECIAL 906 } 907 908 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 909 long arg4, long arg5, long arg6) 910 { 911 long ret; 912 struct stat st; 913 struct kernel_statfs *stfs; 914 915 #ifdef DEBUG 916 gemu_log("syscall %d\n", num); 917 #endif 918 switch(num) { 919 case TARGET_NR_exit: 920 #ifdef HAVE_GPROF 921 _mcleanup(); 922 #endif 923 /* XXX: should free thread stack and CPU env */ 924 _exit(arg1); 925 ret = 0; /* avoid warning */ 926 break; 927 case TARGET_NR_read: 928 ret = get_errno(read(arg1, (void *)arg2, arg3)); 929 break; 930 case TARGET_NR_write: 931 ret = get_errno(write(arg1, (void *)arg2, arg3)); 932 break; 933 case TARGET_NR_open: 934 ret = get_errno(open((const char *)arg1, arg2, arg3)); 935 break; 936 case TARGET_NR_close: 937 ret = get_errno(close(arg1)); 938 break; 939 case TARGET_NR_brk: 940 ret = do_brk((char *)arg1); 941 break; 942 case TARGET_NR_fork: 943 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 944 break; 945 case TARGET_NR_waitpid: 946 { 947 int *status = (int *)arg2; 948 ret = get_errno(waitpid(arg1, status, arg3)); 949 if (!is_error(ret) && status) 950 tswapls((long *)&status); 951 } 952 break; 953 case TARGET_NR_creat: 954 ret = get_errno(creat((const char *)arg1, arg2)); 955 break; 956 case TARGET_NR_link: 957 ret = get_errno(link((const char *)arg1, (const char *)arg2)); 958 break; 959 case TARGET_NR_unlink: 960 ret = get_errno(unlink((const char *)arg1)); 961 break; 962 case TARGET_NR_execve: 963 ret = get_errno(execve((const char *)arg1, (void *)arg2, (void *)arg3)); 964 break; 965 case TARGET_NR_chdir: 966 ret = get_errno(chdir((const char *)arg1)); 967 break; 968 case TARGET_NR_time: 969 { 970 int *time_ptr = (int *)arg1; 971 ret = get_errno(time((time_t *)time_ptr)); 972 if (!is_error(ret) && time_ptr) 973 tswap32s(time_ptr); 974 } 975 break; 976 case TARGET_NR_mknod: 977 ret = get_errno(mknod((const char *)arg1, arg2, arg3)); 978 break; 979 case TARGET_NR_chmod: 980 ret = get_errno(chmod((const char *)arg1, arg2)); 981 break; 982 case TARGET_NR_lchown: 983 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 984 break; 985 case TARGET_NR_break: 986 goto unimplemented; 987 case TARGET_NR_oldstat: 988 goto unimplemented; 989 case TARGET_NR_lseek: 990 ret = get_errno(lseek(arg1, arg2, arg3)); 991 break; 992 case TARGET_NR_getpid: 993 ret = get_errno(getpid()); 994 break; 995 case TARGET_NR_mount: 996 /* need to look at the data field */ 997 goto unimplemented; 998 case TARGET_NR_umount: 999 ret = get_errno(umount((const char *)arg1)); 1000 break; 1001 case TARGET_NR_setuid: 1002 ret = get_errno(setuid(low2highuid(arg1))); 1003 break; 1004 case TARGET_NR_getuid: 1005 ret = get_errno(getuid()); 1006 break; 1007 case TARGET_NR_stime: 1008 { 1009 int *time_ptr = (int *)arg1; 1010 if (time_ptr) 1011 tswap32s(time_ptr); 1012 ret = get_errno(stime((time_t *)time_ptr)); 1013 } 1014 break; 1015 case TARGET_NR_ptrace: 1016 goto unimplemented; 1017 case TARGET_NR_alarm: 1018 ret = alarm(arg1); 1019 break; 1020 case TARGET_NR_oldfstat: 1021 goto unimplemented; 1022 case TARGET_NR_pause: 1023 ret = get_errno(pause()); 1024 break; 1025 case TARGET_NR_utime: 1026 goto unimplemented; 1027 case TARGET_NR_stty: 1028 goto unimplemented; 1029 case TARGET_NR_gtty: 1030 goto unimplemented; 1031 case TARGET_NR_access: 1032 ret = get_errno(access((const char *)arg1, arg2)); 1033 break; 1034 case TARGET_NR_nice: 1035 ret = get_errno(nice(arg1)); 1036 break; 1037 case TARGET_NR_ftime: 1038 goto unimplemented; 1039 case TARGET_NR_sync: 1040 sync(); 1041 ret = 0; 1042 break; 1043 case TARGET_NR_kill: 1044 ret = get_errno(kill(arg1, arg2)); 1045 break; 1046 case TARGET_NR_rename: 1047 ret = get_errno(rename((const char *)arg1, (const char *)arg2)); 1048 break; 1049 case TARGET_NR_mkdir: 1050 ret = get_errno(mkdir((const char *)arg1, arg2)); 1051 break; 1052 case TARGET_NR_rmdir: 1053 ret = get_errno(rmdir((const char *)arg1)); 1054 break; 1055 case TARGET_NR_dup: 1056 ret = get_errno(dup(arg1)); 1057 break; 1058 case TARGET_NR_pipe: 1059 { 1060 int *pipe_ptr = (int *)arg1; 1061 ret = get_errno(pipe(pipe_ptr)); 1062 if (!is_error(ret)) { 1063 tswap32s(&pipe_ptr[0]); 1064 tswap32s(&pipe_ptr[1]); 1065 } 1066 } 1067 break; 1068 case TARGET_NR_times: 1069 goto unimplemented; 1070 case TARGET_NR_prof: 1071 goto unimplemented; 1072 case TARGET_NR_setgid: 1073 ret = get_errno(setgid(low2highgid(arg1))); 1074 break; 1075 case TARGET_NR_getgid: 1076 ret = get_errno(getgid()); 1077 break; 1078 case TARGET_NR_signal: 1079 goto unimplemented; 1080 case TARGET_NR_geteuid: 1081 ret = get_errno(geteuid()); 1082 break; 1083 case TARGET_NR_getegid: 1084 ret = get_errno(getegid()); 1085 break; 1086 case TARGET_NR_acct: 1087 goto unimplemented; 1088 case TARGET_NR_umount2: 1089 ret = get_errno(umount2((const char *)arg1, arg2)); 1090 break; 1091 case TARGET_NR_lock: 1092 goto unimplemented; 1093 case TARGET_NR_ioctl: 1094 ret = do_ioctl(arg1, arg2, arg3); 1095 break; 1096 case TARGET_NR_fcntl: 1097 switch(arg2) { 1098 case F_GETLK: 1099 case F_SETLK: 1100 case F_SETLKW: 1101 goto unimplemented; 1102 default: 1103 ret = get_errno(fcntl(arg1, arg2, arg3)); 1104 break; 1105 } 1106 break; 1107 case TARGET_NR_mpx: 1108 goto unimplemented; 1109 case TARGET_NR_setpgid: 1110 ret = get_errno(setpgid(arg1, arg2)); 1111 break; 1112 case TARGET_NR_ulimit: 1113 goto unimplemented; 1114 case TARGET_NR_oldolduname: 1115 goto unimplemented; 1116 case TARGET_NR_umask: 1117 ret = get_errno(umask(arg1)); 1118 break; 1119 case TARGET_NR_chroot: 1120 ret = get_errno(chroot((const char *)arg1)); 1121 break; 1122 case TARGET_NR_ustat: 1123 goto unimplemented; 1124 case TARGET_NR_dup2: 1125 ret = get_errno(dup2(arg1, arg2)); 1126 break; 1127 case TARGET_NR_getppid: 1128 ret = get_errno(getppid()); 1129 break; 1130 case TARGET_NR_getpgrp: 1131 ret = get_errno(getpgrp()); 1132 break; 1133 case TARGET_NR_setsid: 1134 ret = get_errno(setsid()); 1135 break; 1136 case TARGET_NR_sigaction: 1137 { 1138 struct target_old_sigaction *old_act = (void *)arg2; 1139 struct target_old_sigaction *old_oact = (void *)arg3; 1140 struct target_sigaction act, oact, *pact; 1141 if (old_act) { 1142 act._sa_handler = old_act->_sa_handler; 1143 target_siginitset(&act.sa_mask, old_act->sa_mask); 1144 act.sa_flags = old_act->sa_flags; 1145 act.sa_restorer = old_act->sa_restorer; 1146 pact = &act; 1147 } else { 1148 pact = NULL; 1149 } 1150 ret = get_errno(do_sigaction(arg1, pact, &oact)); 1151 if (!is_error(ret) && old_oact) { 1152 old_oact->_sa_handler = oact._sa_handler; 1153 old_oact->sa_mask = oact.sa_mask.sig[0]; 1154 old_oact->sa_flags = oact.sa_flags; 1155 old_oact->sa_restorer = oact.sa_restorer; 1156 } 1157 } 1158 break; 1159 case TARGET_NR_rt_sigaction: 1160 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3)); 1161 break; 1162 case TARGET_NR_sgetmask: 1163 { 1164 sigset_t cur_set; 1165 target_ulong target_set; 1166 sigprocmask(0, NULL, &cur_set); 1167 host_to_target_old_sigset(&target_set, &cur_set); 1168 ret = target_set; 1169 } 1170 break; 1171 case TARGET_NR_ssetmask: 1172 { 1173 sigset_t set, oset, cur_set; 1174 target_ulong target_set = arg1; 1175 sigprocmask(0, NULL, &cur_set); 1176 target_to_host_old_sigset(&set, &target_set); 1177 sigorset(&set, &set, &cur_set); 1178 sigprocmask(SIG_SETMASK, &set, &oset); 1179 host_to_target_old_sigset(&target_set, &oset); 1180 ret = target_set; 1181 } 1182 break; 1183 case TARGET_NR_sigprocmask: 1184 { 1185 int how = arg1; 1186 sigset_t set, oldset, *set_ptr; 1187 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3; 1188 1189 if (pset) { 1190 switch(how) { 1191 case TARGET_SIG_BLOCK: 1192 how = SIG_BLOCK; 1193 break; 1194 case TARGET_SIG_UNBLOCK: 1195 how = SIG_UNBLOCK; 1196 break; 1197 case TARGET_SIG_SETMASK: 1198 how = SIG_SETMASK; 1199 break; 1200 default: 1201 ret = -EINVAL; 1202 goto fail; 1203 } 1204 target_to_host_old_sigset(&set, pset); 1205 set_ptr = &set; 1206 } else { 1207 how = 0; 1208 set_ptr = NULL; 1209 } 1210 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 1211 if (!is_error(ret) && poldset) { 1212 host_to_target_old_sigset(poldset, &oldset); 1213 } 1214 } 1215 break; 1216 case TARGET_NR_rt_sigprocmask: 1217 { 1218 int how = arg1; 1219 sigset_t set, oldset, *set_ptr; 1220 target_sigset_t *pset = (void *)arg2; 1221 target_sigset_t *poldset = (void *)arg3; 1222 1223 if (pset) { 1224 switch(how) { 1225 case TARGET_SIG_BLOCK: 1226 how = SIG_BLOCK; 1227 break; 1228 case TARGET_SIG_UNBLOCK: 1229 how = SIG_UNBLOCK; 1230 break; 1231 case TARGET_SIG_SETMASK: 1232 how = SIG_SETMASK; 1233 break; 1234 default: 1235 ret = -EINVAL; 1236 goto fail; 1237 } 1238 target_to_host_sigset(&set, pset); 1239 set_ptr = &set; 1240 } else { 1241 how = 0; 1242 set_ptr = NULL; 1243 } 1244 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 1245 if (!is_error(ret) && poldset) { 1246 host_to_target_sigset(poldset, &oldset); 1247 } 1248 } 1249 break; 1250 case TARGET_NR_sigpending: 1251 { 1252 sigset_t set; 1253 ret = get_errno(sigpending(&set)); 1254 if (!is_error(ret)) { 1255 host_to_target_old_sigset((target_ulong *)arg1, &set); 1256 } 1257 } 1258 break; 1259 case TARGET_NR_rt_sigpending: 1260 { 1261 sigset_t set; 1262 ret = get_errno(sigpending(&set)); 1263 if (!is_error(ret)) { 1264 host_to_target_sigset((target_sigset_t *)arg1, &set); 1265 } 1266 } 1267 break; 1268 case TARGET_NR_sigsuspend: 1269 { 1270 sigset_t set; 1271 target_to_host_old_sigset(&set, (target_ulong *)arg1); 1272 ret = get_errno(sigsuspend(&set)); 1273 } 1274 break; 1275 case TARGET_NR_rt_sigsuspend: 1276 { 1277 sigset_t set; 1278 target_to_host_sigset(&set, (target_sigset_t *)arg1); 1279 ret = get_errno(sigsuspend(&set)); 1280 } 1281 break; 1282 case TARGET_NR_rt_sigtimedwait: 1283 { 1284 target_sigset_t *target_set = (void *)arg1; 1285 target_siginfo_t *target_uinfo = (void *)arg2; 1286 struct target_timespec *target_uts = (void *)arg3; 1287 sigset_t set; 1288 struct timespec uts, *puts; 1289 siginfo_t uinfo; 1290 1291 target_to_host_sigset(&set, target_set); 1292 if (target_uts) { 1293 puts = &uts; 1294 puts->tv_sec = tswapl(target_uts->tv_sec); 1295 puts->tv_nsec = tswapl(target_uts->tv_nsec); 1296 } else { 1297 puts = NULL; 1298 } 1299 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 1300 if (!is_error(ret) && target_uinfo) { 1301 host_to_target_siginfo(target_uinfo, &uinfo); 1302 } 1303 } 1304 break; 1305 case TARGET_NR_rt_sigqueueinfo: 1306 { 1307 siginfo_t uinfo; 1308 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3); 1309 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 1310 } 1311 break; 1312 case TARGET_NR_sigreturn: 1313 /* NOTE: ret is eax, so not transcoding must be done */ 1314 ret = do_sigreturn(cpu_env); 1315 break; 1316 case TARGET_NR_rt_sigreturn: 1317 /* NOTE: ret is eax, so not transcoding must be done */ 1318 ret = do_rt_sigreturn(cpu_env); 1319 break; 1320 case TARGET_NR_setreuid: 1321 ret = get_errno(setreuid(arg1, arg2)); 1322 break; 1323 case TARGET_NR_setregid: 1324 ret = get_errno(setregid(arg1, arg2)); 1325 break; 1326 case TARGET_NR_sethostname: 1327 ret = get_errno(sethostname((const char *)arg1, arg2)); 1328 break; 1329 case TARGET_NR_setrlimit: 1330 { 1331 /* XXX: convert resource ? */ 1332 int resource = arg1; 1333 struct target_rlimit *target_rlim = (void *)arg2; 1334 struct rlimit rlim; 1335 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 1336 rlim.rlim_max = tswapl(target_rlim->rlim_max); 1337 ret = get_errno(setrlimit(resource, &rlim)); 1338 } 1339 break; 1340 case TARGET_NR_getrlimit: 1341 { 1342 /* XXX: convert resource ? */ 1343 int resource = arg1; 1344 struct target_rlimit *target_rlim = (void *)arg2; 1345 struct rlimit rlim; 1346 1347 ret = get_errno(getrlimit(resource, &rlim)); 1348 if (!is_error(ret)) { 1349 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 1350 target_rlim->rlim_max = tswapl(rlim.rlim_max); 1351 } 1352 } 1353 break; 1354 case TARGET_NR_getrusage: 1355 goto unimplemented; 1356 case TARGET_NR_gettimeofday: 1357 { 1358 struct target_timeval *target_tv = (void *)arg1; 1359 struct timeval tv; 1360 ret = get_errno(gettimeofday(&tv, NULL)); 1361 if (!is_error(ret)) { 1362 host_to_target_timeval(target_tv, &tv); 1363 } 1364 } 1365 break; 1366 case TARGET_NR_settimeofday: 1367 { 1368 struct target_timeval *target_tv = (void *)arg1; 1369 struct timeval tv; 1370 target_to_host_timeval(&tv, target_tv); 1371 ret = get_errno(settimeofday(&tv, NULL)); 1372 } 1373 break; 1374 case TARGET_NR_getgroups: 1375 goto unimplemented; 1376 case TARGET_NR_setgroups: 1377 goto unimplemented; 1378 case TARGET_NR_select: 1379 goto unimplemented; 1380 case TARGET_NR_symlink: 1381 ret = get_errno(symlink((const char *)arg1, (const char *)arg2)); 1382 break; 1383 case TARGET_NR_oldlstat: 1384 goto unimplemented; 1385 case TARGET_NR_readlink: 1386 ret = get_errno(readlink((const char *)arg1, (char *)arg2, arg3)); 1387 break; 1388 case TARGET_NR_uselib: 1389 goto unimplemented; 1390 case TARGET_NR_swapon: 1391 ret = get_errno(swapon((const char *)arg1, arg2)); 1392 break; 1393 case TARGET_NR_reboot: 1394 goto unimplemented; 1395 case TARGET_NR_readdir: 1396 goto unimplemented; 1397 #ifdef TARGET_I386 1398 case TARGET_NR_mmap: 1399 { 1400 uint32_t v1, v2, v3, v4, v5, v6, *vptr; 1401 vptr = (uint32_t *)arg1; 1402 v1 = tswap32(vptr[0]); 1403 v2 = tswap32(vptr[1]); 1404 v3 = tswap32(vptr[2]); 1405 v4 = tswap32(vptr[3]); 1406 v5 = tswap32(vptr[4]); 1407 v6 = tswap32(vptr[5]); 1408 ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6)); 1409 } 1410 break; 1411 #endif 1412 #ifdef TARGET_I386 1413 case TARGET_NR_mmap2: 1414 #else 1415 case TARGET_NR_mmap: 1416 #endif 1417 ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6)); 1418 break; 1419 case TARGET_NR_munmap: 1420 ret = get_errno(munmap((void *)arg1, arg2)); 1421 break; 1422 case TARGET_NR_mprotect: 1423 ret = get_errno(mprotect((void *)arg1, arg2, arg3)); 1424 break; 1425 case TARGET_NR_mremap: 1426 ret = get_errno((long)mremap((void *)arg1, arg2, arg3, arg4)); 1427 break; 1428 case TARGET_NR_msync: 1429 ret = get_errno(msync((void *)arg1, arg2, arg3)); 1430 break; 1431 case TARGET_NR_mlock: 1432 ret = get_errno(mlock((void *)arg1, arg2)); 1433 break; 1434 case TARGET_NR_munlock: 1435 ret = get_errno(munlock((void *)arg1, arg2)); 1436 break; 1437 case TARGET_NR_mlockall: 1438 ret = get_errno(mlockall(arg1)); 1439 break; 1440 case TARGET_NR_munlockall: 1441 ret = get_errno(munlockall()); 1442 break; 1443 case TARGET_NR_truncate: 1444 ret = get_errno(truncate((const char *)arg1, arg2)); 1445 break; 1446 case TARGET_NR_ftruncate: 1447 ret = get_errno(ftruncate(arg1, arg2)); 1448 break; 1449 case TARGET_NR_fchmod: 1450 ret = get_errno(fchmod(arg1, arg2)); 1451 break; 1452 case TARGET_NR_fchown: 1453 ret = get_errno(fchown(arg1, arg2, arg3)); 1454 break; 1455 case TARGET_NR_getpriority: 1456 ret = get_errno(getpriority(arg1, arg2)); 1457 break; 1458 case TARGET_NR_setpriority: 1459 ret = get_errno(setpriority(arg1, arg2, arg3)); 1460 break; 1461 case TARGET_NR_profil: 1462 goto unimplemented; 1463 case TARGET_NR_statfs: 1464 stfs = (void *)arg2; 1465 ret = get_errno(sys_statfs((const char *)arg1, stfs)); 1466 convert_statfs: 1467 if (!is_error(ret)) { 1468 tswap32s(&stfs->f_type); 1469 tswap32s(&stfs->f_bsize); 1470 tswap32s(&stfs->f_blocks); 1471 tswap32s(&stfs->f_bfree); 1472 tswap32s(&stfs->f_bavail); 1473 tswap32s(&stfs->f_files); 1474 tswap32s(&stfs->f_ffree); 1475 tswap32s(&stfs->f_fsid.val[0]); 1476 tswap32s(&stfs->f_fsid.val[1]); 1477 tswap32s(&stfs->f_namelen); 1478 } 1479 break; 1480 case TARGET_NR_fstatfs: 1481 stfs = (void *)arg2; 1482 ret = get_errno(sys_fstatfs(arg1, stfs)); 1483 goto convert_statfs; 1484 case TARGET_NR_ioperm: 1485 goto unimplemented; 1486 case TARGET_NR_socketcall: 1487 ret = do_socketcall(arg1, (long *)arg2); 1488 break; 1489 case TARGET_NR_syslog: 1490 goto unimplemented; 1491 case TARGET_NR_setitimer: 1492 { 1493 struct target_itimerval *target_value = (void *)arg2; 1494 struct target_itimerval *target_ovalue = (void *)arg3; 1495 struct itimerval value, ovalue, *pvalue; 1496 1497 if (target_value) { 1498 pvalue = &value; 1499 target_to_host_timeval(&pvalue->it_interval, 1500 &target_value->it_interval); 1501 target_to_host_timeval(&pvalue->it_value, 1502 &target_value->it_value); 1503 } else { 1504 pvalue = NULL; 1505 } 1506 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 1507 if (!is_error(ret) && target_ovalue) { 1508 host_to_target_timeval(&target_ovalue->it_interval, 1509 &ovalue.it_interval); 1510 host_to_target_timeval(&target_ovalue->it_value, 1511 &ovalue.it_value); 1512 } 1513 } 1514 break; 1515 case TARGET_NR_getitimer: 1516 { 1517 struct target_itimerval *target_value = (void *)arg2; 1518 struct itimerval value; 1519 1520 ret = get_errno(getitimer(arg1, &value)); 1521 if (!is_error(ret) && target_value) { 1522 host_to_target_timeval(&target_value->it_interval, 1523 &value.it_interval); 1524 host_to_target_timeval(&target_value->it_value, 1525 &value.it_value); 1526 } 1527 } 1528 break; 1529 case TARGET_NR_stat: 1530 ret = get_errno(stat((const char *)arg1, &st)); 1531 goto do_stat; 1532 case TARGET_NR_lstat: 1533 ret = get_errno(lstat((const char *)arg1, &st)); 1534 goto do_stat; 1535 case TARGET_NR_fstat: 1536 { 1537 ret = get_errno(fstat(arg1, &st)); 1538 do_stat: 1539 if (!is_error(ret)) { 1540 struct target_stat *target_st = (void *)arg2; 1541 target_st->st_dev = tswap16(st.st_dev); 1542 target_st->st_ino = tswapl(st.st_ino); 1543 target_st->st_mode = tswap16(st.st_mode); 1544 target_st->st_nlink = tswap16(st.st_nlink); 1545 target_st->st_uid = tswap16(st.st_uid); 1546 target_st->st_gid = tswap16(st.st_gid); 1547 target_st->st_rdev = tswap16(st.st_rdev); 1548 target_st->st_size = tswapl(st.st_size); 1549 target_st->st_blksize = tswapl(st.st_blksize); 1550 target_st->st_blocks = tswapl(st.st_blocks); 1551 target_st->st_atime = tswapl(st.st_atime); 1552 target_st->st_mtime = tswapl(st.st_mtime); 1553 target_st->st_ctime = tswapl(st.st_ctime); 1554 } 1555 } 1556 break; 1557 case TARGET_NR_olduname: 1558 goto unimplemented; 1559 case TARGET_NR_iopl: 1560 goto unimplemented; 1561 case TARGET_NR_vhangup: 1562 ret = get_errno(vhangup()); 1563 break; 1564 case TARGET_NR_idle: 1565 goto unimplemented; 1566 case TARGET_NR_wait4: 1567 { 1568 int status; 1569 target_long *status_ptr = (void *)arg2; 1570 struct rusage rusage, *rusage_ptr; 1571 struct target_rusage *target_rusage = (void *)arg4; 1572 if (target_rusage) 1573 rusage_ptr = &rusage; 1574 else 1575 rusage_ptr = NULL; 1576 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 1577 if (!is_error(ret)) { 1578 if (status_ptr) 1579 *status_ptr = tswap32(status); 1580 if (target_rusage) { 1581 target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec); 1582 target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec); 1583 target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec); 1584 target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec); 1585 target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss); 1586 target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss); 1587 target_rusage->ru_idrss = tswapl(rusage.ru_idrss); 1588 target_rusage->ru_isrss = tswapl(rusage.ru_isrss); 1589 target_rusage->ru_minflt = tswapl(rusage.ru_minflt); 1590 target_rusage->ru_majflt = tswapl(rusage.ru_majflt); 1591 target_rusage->ru_nswap = tswapl(rusage.ru_nswap); 1592 target_rusage->ru_inblock = tswapl(rusage.ru_inblock); 1593 target_rusage->ru_oublock = tswapl(rusage.ru_oublock); 1594 target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd); 1595 target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv); 1596 target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals); 1597 target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw); 1598 target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw); 1599 } 1600 } 1601 } 1602 break; 1603 case TARGET_NR_swapoff: 1604 ret = get_errno(swapoff((const char *)arg1)); 1605 break; 1606 case TARGET_NR_sysinfo: 1607 goto unimplemented; 1608 case TARGET_NR_ipc: 1609 goto unimplemented; 1610 case TARGET_NR_fsync: 1611 ret = get_errno(fsync(arg1)); 1612 break; 1613 case TARGET_NR_clone: 1614 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 1615 break; 1616 case TARGET_NR_setdomainname: 1617 ret = get_errno(setdomainname((const char *)arg1, arg2)); 1618 break; 1619 case TARGET_NR_uname: 1620 /* no need to transcode because we use the linux syscall */ 1621 ret = get_errno(sys_uname((struct new_utsname *)arg1)); 1622 break; 1623 #ifdef TARGET_I386 1624 case TARGET_NR_modify_ldt: 1625 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3)); 1626 break; 1627 case TARGET_NR_vm86old: 1628 goto unimplemented; 1629 case TARGET_NR_vm86: 1630 ret = do_vm86(cpu_env, arg1, (void *)arg2); 1631 break; 1632 #endif 1633 case TARGET_NR_adjtimex: 1634 goto unimplemented; 1635 case TARGET_NR_create_module: 1636 case TARGET_NR_init_module: 1637 case TARGET_NR_delete_module: 1638 case TARGET_NR_get_kernel_syms: 1639 goto unimplemented; 1640 case TARGET_NR_quotactl: 1641 goto unimplemented; 1642 case TARGET_NR_getpgid: 1643 ret = get_errno(getpgid(arg1)); 1644 break; 1645 case TARGET_NR_fchdir: 1646 ret = get_errno(fchdir(arg1)); 1647 break; 1648 case TARGET_NR_bdflush: 1649 goto unimplemented; 1650 case TARGET_NR_sysfs: 1651 goto unimplemented; 1652 case TARGET_NR_personality: 1653 ret = get_errno(personality(arg1)); 1654 break; 1655 case TARGET_NR_afs_syscall: 1656 goto unimplemented; 1657 case TARGET_NR_setfsuid: 1658 ret = get_errno(setfsuid(arg1)); 1659 break; 1660 case TARGET_NR_setfsgid: 1661 ret = get_errno(setfsgid(arg1)); 1662 break; 1663 case TARGET_NR__llseek: 1664 { 1665 int64_t res; 1666 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 1667 *(int64_t *)arg4 = tswap64(res); 1668 } 1669 break; 1670 case TARGET_NR_getdents: 1671 #if TARGET_LONG_SIZE != 4 1672 #error not supported 1673 #endif 1674 { 1675 struct dirent *dirp = (void *)arg2; 1676 long count = arg3; 1677 1678 ret = get_errno(sys_getdents(arg1, dirp, count)); 1679 if (!is_error(ret)) { 1680 struct dirent *de; 1681 int len = ret; 1682 int reclen; 1683 de = dirp; 1684 while (len > 0) { 1685 reclen = de->d_reclen; 1686 if (reclen > len) 1687 break; 1688 de->d_reclen = tswap16(reclen); 1689 tswapls(&de->d_ino); 1690 tswapls(&de->d_off); 1691 de = (struct dirent *)((char *)de + reclen); 1692 len -= reclen; 1693 } 1694 } 1695 } 1696 break; 1697 case TARGET_NR_getdents64: 1698 { 1699 struct dirent64 *dirp = (void *)arg2; 1700 long count = arg3; 1701 ret = get_errno(sys_getdents64(arg1, dirp, count)); 1702 if (!is_error(ret)) { 1703 struct dirent64 *de; 1704 int len = ret; 1705 int reclen; 1706 de = dirp; 1707 while (len > 0) { 1708 reclen = de->d_reclen; 1709 if (reclen > len) 1710 break; 1711 de->d_reclen = tswap16(reclen); 1712 tswap64s(&de->d_ino); 1713 tswap64s(&de->d_off); 1714 de = (struct dirent64 *)((char *)de + reclen); 1715 len -= reclen; 1716 } 1717 } 1718 } 1719 break; 1720 case TARGET_NR__newselect: 1721 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 1722 (void *)arg5); 1723 break; 1724 case TARGET_NR_poll: 1725 { 1726 struct target_pollfd *target_pfd = (void *)arg1; 1727 unsigned int nfds = arg2; 1728 int timeout = arg3; 1729 struct pollfd *pfd; 1730 int i; 1731 1732 pfd = alloca(sizeof(struct pollfd) * nfds); 1733 for(i = 0; i < nfds; i++) { 1734 pfd[i].fd = tswap32(target_pfd[i].fd); 1735 pfd[i].events = tswap16(target_pfd[i].events); 1736 } 1737 ret = get_errno(poll(pfd, nfds, timeout)); 1738 if (!is_error(ret)) { 1739 for(i = 0; i < nfds; i++) { 1740 target_pfd[i].revents = tswap16(pfd[i].revents); 1741 } 1742 } 1743 } 1744 break; 1745 case TARGET_NR_flock: 1746 /* NOTE: the flock constant seems to be the same for every 1747 Linux platform */ 1748 ret = get_errno(flock(arg1, arg2)); 1749 break; 1750 case TARGET_NR_readv: 1751 { 1752 int count = arg3; 1753 int i; 1754 struct iovec *vec; 1755 struct target_iovec *target_vec = (void *)arg2; 1756 1757 vec = alloca(count * sizeof(struct iovec)); 1758 for(i = 0;i < count; i++) { 1759 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 1760 vec[i].iov_len = tswapl(target_vec[i].iov_len); 1761 } 1762 ret = get_errno(readv(arg1, vec, count)); 1763 } 1764 break; 1765 case TARGET_NR_writev: 1766 { 1767 int count = arg3; 1768 int i; 1769 struct iovec *vec; 1770 struct target_iovec *target_vec = (void *)arg2; 1771 1772 vec = alloca(count * sizeof(struct iovec)); 1773 for(i = 0;i < count; i++) { 1774 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 1775 vec[i].iov_len = tswapl(target_vec[i].iov_len); 1776 } 1777 ret = get_errno(writev(arg1, vec, count)); 1778 } 1779 break; 1780 case TARGET_NR_getsid: 1781 ret = get_errno(getsid(arg1)); 1782 break; 1783 case TARGET_NR_fdatasync: 1784 ret = get_errno(fdatasync(arg1)); 1785 break; 1786 case TARGET_NR__sysctl: 1787 goto unimplemented; 1788 case TARGET_NR_sched_setparam: 1789 { 1790 struct sched_param *target_schp = (void *)arg2; 1791 struct sched_param schp; 1792 schp.sched_priority = tswap32(target_schp->sched_priority); 1793 ret = get_errno(sched_setparam(arg1, &schp)); 1794 } 1795 break; 1796 case TARGET_NR_sched_getparam: 1797 { 1798 struct sched_param *target_schp = (void *)arg2; 1799 struct sched_param schp; 1800 ret = get_errno(sched_getparam(arg1, &schp)); 1801 if (!is_error(ret)) { 1802 target_schp->sched_priority = tswap32(schp.sched_priority); 1803 } 1804 } 1805 break; 1806 case TARGET_NR_sched_setscheduler: 1807 { 1808 struct sched_param *target_schp = (void *)arg3; 1809 struct sched_param schp; 1810 schp.sched_priority = tswap32(target_schp->sched_priority); 1811 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 1812 } 1813 break; 1814 case TARGET_NR_sched_getscheduler: 1815 ret = get_errno(sched_getscheduler(arg1)); 1816 break; 1817 case TARGET_NR_sched_yield: 1818 ret = get_errno(sched_yield()); 1819 break; 1820 case TARGET_NR_sched_get_priority_max: 1821 ret = get_errno(sched_get_priority_max(arg1)); 1822 break; 1823 case TARGET_NR_sched_get_priority_min: 1824 ret = get_errno(sched_get_priority_min(arg1)); 1825 break; 1826 case TARGET_NR_sched_rr_get_interval: 1827 { 1828 struct target_timespec *target_ts = (void *)arg2; 1829 struct timespec ts; 1830 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 1831 if (!is_error(ret)) { 1832 target_ts->tv_sec = tswapl(ts.tv_sec); 1833 target_ts->tv_nsec = tswapl(ts.tv_nsec); 1834 } 1835 } 1836 break; 1837 case TARGET_NR_nanosleep: 1838 { 1839 struct target_timespec *target_req = (void *)arg1; 1840 struct target_timespec *target_rem = (void *)arg2; 1841 struct timespec req, rem; 1842 req.tv_sec = tswapl(target_req->tv_sec); 1843 req.tv_nsec = tswapl(target_req->tv_nsec); 1844 ret = get_errno(nanosleep(&req, &rem)); 1845 if (target_rem) { 1846 target_rem->tv_sec = tswapl(rem.tv_sec); 1847 target_rem->tv_nsec = tswapl(rem.tv_nsec); 1848 } 1849 } 1850 break; 1851 case TARGET_NR_setresuid: 1852 ret = get_errno(setresuid(low2highuid(arg1), 1853 low2highuid(arg2), 1854 low2highuid(arg3))); 1855 break; 1856 case TARGET_NR_getresuid: 1857 { 1858 int ruid, euid, suid; 1859 ret = get_errno(getresuid(&ruid, &euid, &suid)); 1860 if (!is_error(ret)) { 1861 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid)); 1862 *(uint16_t *)arg2 = tswap16(high2lowuid(euid)); 1863 *(uint16_t *)arg3 = tswap16(high2lowuid(suid)); 1864 } 1865 } 1866 break; 1867 case TARGET_NR_setresgid: 1868 ret = get_errno(setresgid(low2highgid(arg1), 1869 low2highgid(arg2), 1870 low2highgid(arg3))); 1871 break; 1872 case TARGET_NR_getresgid: 1873 { 1874 int rgid, egid, sgid; 1875 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 1876 if (!is_error(ret)) { 1877 *(uint16_t *)arg1 = high2lowgid(tswap16(rgid)); 1878 *(uint16_t *)arg2 = high2lowgid(tswap16(egid)); 1879 *(uint16_t *)arg3 = high2lowgid(tswap16(sgid)); 1880 } 1881 } 1882 break; 1883 case TARGET_NR_query_module: 1884 goto unimplemented; 1885 case TARGET_NR_nfsservctl: 1886 goto unimplemented; 1887 case TARGET_NR_prctl: 1888 goto unimplemented; 1889 case TARGET_NR_pread: 1890 goto unimplemented; 1891 case TARGET_NR_pwrite: 1892 goto unimplemented; 1893 case TARGET_NR_chown: 1894 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 1895 break; 1896 case TARGET_NR_getcwd: 1897 ret = get_errno(sys_getcwd1((char *)arg1, arg2)); 1898 break; 1899 case TARGET_NR_capget: 1900 goto unimplemented; 1901 case TARGET_NR_capset: 1902 goto unimplemented; 1903 case TARGET_NR_sigaltstack: 1904 goto unimplemented; 1905 case TARGET_NR_sendfile: 1906 goto unimplemented; 1907 case TARGET_NR_getpmsg: 1908 goto unimplemented; 1909 case TARGET_NR_putpmsg: 1910 goto unimplemented; 1911 case TARGET_NR_vfork: 1912 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 1913 break; 1914 case TARGET_NR_ugetrlimit: 1915 goto unimplemented; 1916 case TARGET_NR_truncate64: 1917 goto unimplemented; 1918 case TARGET_NR_ftruncate64: 1919 goto unimplemented; 1920 case TARGET_NR_stat64: 1921 ret = get_errno(stat((const char *)arg1, &st)); 1922 goto do_stat64; 1923 case TARGET_NR_lstat64: 1924 ret = get_errno(lstat((const char *)arg1, &st)); 1925 goto do_stat64; 1926 case TARGET_NR_fstat64: 1927 { 1928 ret = get_errno(fstat(arg1, &st)); 1929 do_stat64: 1930 if (!is_error(ret)) { 1931 struct target_stat64 *target_st = (void *)arg2; 1932 target_st->st_dev = tswap16(st.st_dev); 1933 target_st->st_ino = tswapl(st.st_ino); 1934 target_st->st_mode = tswap16(st.st_mode); 1935 target_st->st_nlink = tswap16(st.st_nlink); 1936 target_st->st_uid = tswap16(st.st_uid); 1937 target_st->st_gid = tswap16(st.st_gid); 1938 target_st->st_rdev = tswap16(st.st_rdev); 1939 /* XXX: better use of kernel struct */ 1940 target_st->st_size = tswapl(st.st_size); 1941 target_st->st_blksize = tswapl(st.st_blksize); 1942 target_st->st_blocks = tswapl(st.st_blocks); 1943 target_st->st_atime = tswapl(st.st_atime); 1944 target_st->st_mtime = tswapl(st.st_mtime); 1945 target_st->st_ctime = tswapl(st.st_ctime); 1946 } 1947 } 1948 break; 1949 1950 case TARGET_NR_lchown32: 1951 ret = get_errno(lchown((const char *)arg1, arg2, arg3)); 1952 break; 1953 case TARGET_NR_getuid32: 1954 ret = get_errno(getuid()); 1955 break; 1956 case TARGET_NR_getgid32: 1957 ret = get_errno(getgid()); 1958 break; 1959 case TARGET_NR_geteuid32: 1960 ret = get_errno(geteuid()); 1961 break; 1962 case TARGET_NR_getegid32: 1963 ret = get_errno(getegid()); 1964 break; 1965 case TARGET_NR_setreuid32: 1966 ret = get_errno(setreuid(arg1, arg2)); 1967 break; 1968 case TARGET_NR_setregid32: 1969 ret = get_errno(setregid(arg1, arg2)); 1970 break; 1971 case TARGET_NR_getgroups32: 1972 goto unimplemented; 1973 case TARGET_NR_setgroups32: 1974 goto unimplemented; 1975 case TARGET_NR_fchown32: 1976 ret = get_errno(fchown(arg1, arg2, arg3)); 1977 break; 1978 case TARGET_NR_setresuid32: 1979 ret = get_errno(setresuid(arg1, arg2, arg3)); 1980 break; 1981 case TARGET_NR_getresuid32: 1982 { 1983 int ruid, euid, suid; 1984 ret = get_errno(getresuid(&ruid, &euid, &suid)); 1985 if (!is_error(ret)) { 1986 *(uint32_t *)arg1 = tswap32(ruid); 1987 *(uint32_t *)arg2 = tswap32(euid); 1988 *(uint32_t *)arg3 = tswap32(suid); 1989 } 1990 } 1991 break; 1992 case TARGET_NR_setresgid32: 1993 ret = get_errno(setresgid(arg1, arg2, arg3)); 1994 break; 1995 case TARGET_NR_getresgid32: 1996 { 1997 int rgid, egid, sgid; 1998 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 1999 if (!is_error(ret)) { 2000 *(uint32_t *)arg1 = tswap32(rgid); 2001 *(uint32_t *)arg2 = tswap32(egid); 2002 *(uint32_t *)arg3 = tswap32(sgid); 2003 } 2004 } 2005 break; 2006 case TARGET_NR_chown32: 2007 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 2008 break; 2009 case TARGET_NR_setuid32: 2010 ret = get_errno(setuid(arg1)); 2011 break; 2012 case TARGET_NR_setgid32: 2013 ret = get_errno(setgid(arg1)); 2014 break; 2015 case TARGET_NR_setfsuid32: 2016 ret = get_errno(setfsuid(arg1)); 2017 break; 2018 case TARGET_NR_setfsgid32: 2019 ret = get_errno(setfsgid(arg1)); 2020 break; 2021 case TARGET_NR_pivot_root: 2022 goto unimplemented; 2023 case TARGET_NR_mincore: 2024 goto unimplemented; 2025 case TARGET_NR_madvise: 2026 goto unimplemented; 2027 #if TARGET_LONG_BITS == 32 2028 case TARGET_NR_fcntl64: 2029 switch(arg2) { 2030 case F_GETLK64: 2031 case F_SETLK64: 2032 case F_SETLKW64: 2033 goto unimplemented; 2034 default: 2035 ret = get_errno(fcntl(arg1, arg2, arg3)); 2036 break; 2037 } 2038 break; 2039 #endif 2040 case TARGET_NR_security: 2041 goto unimplemented; 2042 case TARGET_NR_gettid: 2043 ret = get_errno(gettid()); 2044 break; 2045 case TARGET_NR_readahead: 2046 goto unimplemented; 2047 case TARGET_NR_setxattr: 2048 case TARGET_NR_lsetxattr: 2049 case TARGET_NR_fsetxattr: 2050 case TARGET_NR_getxattr: 2051 case TARGET_NR_lgetxattr: 2052 case TARGET_NR_fgetxattr: 2053 case TARGET_NR_listxattr: 2054 case TARGET_NR_llistxattr: 2055 case TARGET_NR_flistxattr: 2056 case TARGET_NR_removexattr: 2057 case TARGET_NR_lremovexattr: 2058 case TARGET_NR_fremovexattr: 2059 goto unimplemented_nowarn; 2060 case TARGET_NR_set_thread_area: 2061 case TARGET_NR_get_thread_area: 2062 goto unimplemented_nowarn; 2063 default: 2064 unimplemented: 2065 gemu_log("qemu: Unsupported syscall: %d\n", num); 2066 unimplemented_nowarn: 2067 ret = -ENOSYS; 2068 break; 2069 } 2070 fail: 2071 return ret; 2072 } 2073 2074