1 /* 2 * Linux syscalls 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 #include <stdlib.h> 21 #include <stdio.h> 22 #include <stdarg.h> 23 #include <string.h> 24 #include <elf.h> 25 #include <endian.h> 26 #include <errno.h> 27 #include <unistd.h> 28 #include <fcntl.h> 29 #include <time.h> 30 #include <sys/types.h> 31 #include <sys/wait.h> 32 #include <sys/time.h> 33 #include <sys/stat.h> 34 #include <sys/mount.h> 35 #include <sys/resource.h> 36 #include <sys/mman.h> 37 #include <sys/swap.h> 38 #include <signal.h> 39 #include <sched.h> 40 #include <sys/socket.h> 41 #include <sys/uio.h> 42 #include <sys/poll.h> 43 #include <sys/times.h> 44 #include <sys/shm.h> 45 #include <utime.h> 46 #include <sys/sysinfo.h> 47 //#include <sys/user.h> 48 #include <netinet/ip.h> 49 #include <netinet/tcp.h> 50 51 #define termios host_termios 52 #define winsize host_winsize 53 #define termio host_termio 54 #define sgttyb host_sgttyb /* same as target */ 55 #define tchars host_tchars /* same as target */ 56 #define ltchars host_ltchars /* same as target */ 57 58 #include <linux/termios.h> 59 #include <linux/unistd.h> 60 #include <linux/utsname.h> 61 #include <linux/cdrom.h> 62 #include <linux/hdreg.h> 63 #include <linux/soundcard.h> 64 #include <linux/dirent.h> 65 #include <linux/kd.h> 66 67 #include "qemu.h" 68 69 //#define DEBUG 70 71 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) 72 /* 16 bit uid wrappers emulation */ 73 #define USE_UID16 74 #endif 75 76 //#include <linux/msdos_fs.h> 77 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) 78 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) 79 80 81 #if defined(__powerpc__) 82 #undef __syscall_nr 83 #undef __sc_loadargs_0 84 #undef __sc_loadargs_1 85 #undef __sc_loadargs_2 86 #undef __sc_loadargs_3 87 #undef __sc_loadargs_4 88 #undef __sc_loadargs_5 89 #undef __sc_asm_input_0 90 #undef __sc_asm_input_1 91 #undef __sc_asm_input_2 92 #undef __sc_asm_input_3 93 #undef __sc_asm_input_4 94 #undef __sc_asm_input_5 95 #undef _syscall0 96 #undef _syscall1 97 #undef _syscall2 98 #undef _syscall3 99 #undef _syscall4 100 #undef _syscall5 101 102 /* need to redefine syscalls as Linux kernel defines are incorrect for 103 the clobber list */ 104 /* On powerpc a system call basically clobbers the same registers like a 105 * function call, with the exception of LR (which is needed for the 106 * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal 107 * an error return status). 108 */ 109 110 #define __syscall_nr(nr, type, name, args...) \ 111 unsigned long __sc_ret, __sc_err; \ 112 { \ 113 register unsigned long __sc_0 __asm__ ("r0"); \ 114 register unsigned long __sc_3 __asm__ ("r3"); \ 115 register unsigned long __sc_4 __asm__ ("r4"); \ 116 register unsigned long __sc_5 __asm__ ("r5"); \ 117 register unsigned long __sc_6 __asm__ ("r6"); \ 118 register unsigned long __sc_7 __asm__ ("r7"); \ 119 \ 120 __sc_loadargs_##nr(name, args); \ 121 __asm__ __volatile__ \ 122 ("sc \n\t" \ 123 "mfcr %0 " \ 124 : "=&r" (__sc_0), \ 125 "=&r" (__sc_3), "=&r" (__sc_4), \ 126 "=&r" (__sc_5), "=&r" (__sc_6), \ 127 "=&r" (__sc_7) \ 128 : __sc_asm_input_##nr \ 129 : "cr0", "ctr", "memory", \ 130 "r8", "r9", "r10","r11", "r12"); \ 131 __sc_ret = __sc_3; \ 132 __sc_err = __sc_0; \ 133 } \ 134 if (__sc_err & 0x10000000) \ 135 { \ 136 errno = __sc_ret; \ 137 __sc_ret = -1; \ 138 } \ 139 return (type) __sc_ret 140 141 #define __sc_loadargs_0(name, dummy...) \ 142 __sc_0 = __NR_##name 143 #define __sc_loadargs_1(name, arg1) \ 144 __sc_loadargs_0(name); \ 145 __sc_3 = (unsigned long) (arg1) 146 #define __sc_loadargs_2(name, arg1, arg2) \ 147 __sc_loadargs_1(name, arg1); \ 148 __sc_4 = (unsigned long) (arg2) 149 #define __sc_loadargs_3(name, arg1, arg2, arg3) \ 150 __sc_loadargs_2(name, arg1, arg2); \ 151 __sc_5 = (unsigned long) (arg3) 152 #define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \ 153 __sc_loadargs_3(name, arg1, arg2, arg3); \ 154 __sc_6 = (unsigned long) (arg4) 155 #define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \ 156 __sc_loadargs_4(name, arg1, arg2, arg3, arg4); \ 157 __sc_7 = (unsigned long) (arg5) 158 159 #define __sc_asm_input_0 "0" (__sc_0) 160 #define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3) 161 #define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4) 162 #define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5) 163 #define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6) 164 #define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7) 165 166 #define _syscall0(type,name) \ 167 type name(void) \ 168 { \ 169 __syscall_nr(0, type, name); \ 170 } 171 172 #define _syscall1(type,name,type1,arg1) \ 173 type name(type1 arg1) \ 174 { \ 175 __syscall_nr(1, type, name, arg1); \ 176 } 177 178 #define _syscall2(type,name,type1,arg1,type2,arg2) \ 179 type name(type1 arg1, type2 arg2) \ 180 { \ 181 __syscall_nr(2, type, name, arg1, arg2); \ 182 } 183 184 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ 185 type name(type1 arg1, type2 arg2, type3 arg3) \ 186 { \ 187 __syscall_nr(3, type, name, arg1, arg2, arg3); \ 188 } 189 190 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ 191 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ 192 { \ 193 __syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \ 194 } 195 196 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ 197 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ 198 { \ 199 __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \ 200 } 201 #endif 202 203 #define __NR_sys_uname __NR_uname 204 #define __NR_sys_getcwd1 __NR_getcwd 205 #define __NR_sys_statfs __NR_statfs 206 #define __NR_sys_fstatfs __NR_fstatfs 207 #define __NR_sys_getdents __NR_getdents 208 #define __NR_sys_getdents64 __NR_getdents64 209 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo 210 211 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) 212 #define __NR__llseek __NR_lseek 213 #endif 214 215 #ifdef __NR_gettid 216 _syscall0(int, gettid) 217 #else 218 static int gettid(void) { 219 return -ENOSYS; 220 } 221 #endif 222 _syscall1(int,sys_uname,struct new_utsname *,buf) 223 _syscall2(int,sys_getcwd1,char *,buf,size_t,size) 224 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); 225 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count); 226 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, 227 loff_t *, res, uint, wh); 228 _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf) 229 _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf) 230 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) 231 #ifdef __NR_exit_group 232 _syscall1(int,exit_group,int,error_code) 233 #endif 234 235 extern int personality(int); 236 extern int flock(int, int); 237 extern int setfsuid(int); 238 extern int setfsgid(int); 239 extern int setresuid(uid_t, uid_t, uid_t); 240 extern int getresuid(uid_t *, uid_t *, uid_t *); 241 extern int setresgid(gid_t, gid_t, gid_t); 242 extern int getresgid(gid_t *, gid_t *, gid_t *); 243 extern int setgroups(int, gid_t *); 244 245 static inline long get_errno(long ret) 246 { 247 if (ret == -1) 248 return -errno; 249 else 250 return ret; 251 } 252 253 static inline int is_error(long ret) 254 { 255 return (unsigned long)ret >= (unsigned long)(-4096); 256 } 257 258 static char *target_brk; 259 static char *target_original_brk; 260 261 void target_set_brk(char *new_brk) 262 { 263 target_brk = new_brk; 264 target_original_brk = new_brk; 265 } 266 267 static long do_brk(char *new_brk) 268 { 269 char *brk_page; 270 long mapped_addr; 271 int new_alloc_size; 272 273 if (!new_brk) 274 return (long)target_brk; 275 if (new_brk < target_original_brk) 276 return -ENOMEM; 277 278 brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk); 279 280 /* If the new brk is less than this, set it and we're done... */ 281 if (new_brk < brk_page) { 282 target_brk = new_brk; 283 return (long)target_brk; 284 } 285 286 /* We need to allocate more memory after the brk... */ 287 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1); 288 mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size, 289 PROT_READ|PROT_WRITE, 290 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); 291 if (is_error(mapped_addr)) { 292 return mapped_addr; 293 } else { 294 target_brk = new_brk; 295 return (long)target_brk; 296 } 297 } 298 299 static inline fd_set *target_to_host_fds(fd_set *fds, 300 target_long *target_fds, int n) 301 { 302 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 303 return (fd_set *)target_fds; 304 #else 305 int i, b; 306 if (target_fds) { 307 FD_ZERO(fds); 308 for(i = 0;i < n; i++) { 309 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> 310 (i & (TARGET_LONG_BITS - 1))) & 1; 311 if (b) 312 FD_SET(i, fds); 313 } 314 return fds; 315 } else { 316 return NULL; 317 } 318 #endif 319 } 320 321 static inline void host_to_target_fds(target_long *target_fds, 322 fd_set *fds, int n) 323 { 324 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 325 /* nothing to do */ 326 #else 327 int i, nw, j, k; 328 target_long v; 329 330 if (target_fds) { 331 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS; 332 k = 0; 333 for(i = 0;i < nw; i++) { 334 v = 0; 335 for(j = 0; j < TARGET_LONG_BITS; j++) { 336 v |= ((FD_ISSET(k, fds) != 0) << j); 337 k++; 338 } 339 target_fds[i] = tswapl(v); 340 } 341 } 342 #endif 343 } 344 345 #if defined(__alpha__) 346 #define HOST_HZ 1024 347 #else 348 #define HOST_HZ 100 349 #endif 350 351 static inline long host_to_target_clock_t(long ticks) 352 { 353 #if HOST_HZ == TARGET_HZ 354 return ticks; 355 #else 356 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; 357 #endif 358 } 359 360 static inline void host_to_target_rusage(struct target_rusage *target_rusage, 361 const struct rusage *rusage) 362 { 363 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); 364 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); 365 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); 366 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); 367 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); 368 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); 369 target_rusage->ru_idrss = tswapl(rusage->ru_idrss); 370 target_rusage->ru_isrss = tswapl(rusage->ru_isrss); 371 target_rusage->ru_minflt = tswapl(rusage->ru_minflt); 372 target_rusage->ru_majflt = tswapl(rusage->ru_majflt); 373 target_rusage->ru_nswap = tswapl(rusage->ru_nswap); 374 target_rusage->ru_inblock = tswapl(rusage->ru_inblock); 375 target_rusage->ru_oublock = tswapl(rusage->ru_oublock); 376 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); 377 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); 378 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); 379 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); 380 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); 381 } 382 383 static inline void target_to_host_timeval(struct timeval *tv, 384 const struct target_timeval *target_tv) 385 { 386 tv->tv_sec = tswapl(target_tv->tv_sec); 387 tv->tv_usec = tswapl(target_tv->tv_usec); 388 } 389 390 static inline void host_to_target_timeval(struct target_timeval *target_tv, 391 const struct timeval *tv) 392 { 393 target_tv->tv_sec = tswapl(tv->tv_sec); 394 target_tv->tv_usec = tswapl(tv->tv_usec); 395 } 396 397 398 static long do_select(long n, 399 target_long *target_rfds, target_long *target_wfds, 400 target_long *target_efds, struct target_timeval *target_tv) 401 { 402 fd_set rfds, wfds, efds; 403 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; 404 struct timeval tv, *tv_ptr; 405 long ret; 406 407 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); 408 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); 409 efds_ptr = target_to_host_fds(&efds, target_efds, n); 410 411 if (target_tv) { 412 target_to_host_timeval(&tv, target_tv); 413 tv_ptr = &tv; 414 } else { 415 tv_ptr = NULL; 416 } 417 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); 418 if (!is_error(ret)) { 419 host_to_target_fds(target_rfds, rfds_ptr, n); 420 host_to_target_fds(target_wfds, wfds_ptr, n); 421 host_to_target_fds(target_efds, efds_ptr, n); 422 423 if (target_tv) { 424 host_to_target_timeval(target_tv, &tv); 425 } 426 } 427 return ret; 428 } 429 430 static inline void target_to_host_sockaddr(struct sockaddr *addr, 431 struct target_sockaddr *target_addr, 432 socklen_t len) 433 { 434 memcpy(addr, target_addr, len); 435 addr->sa_family = tswap16(target_addr->sa_family); 436 } 437 438 static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr, 439 struct sockaddr *addr, 440 socklen_t len) 441 { 442 memcpy(target_addr, addr, len); 443 target_addr->sa_family = tswap16(addr->sa_family); 444 } 445 446 static inline void target_to_host_cmsg(struct msghdr *msgh, 447 struct target_msghdr *target_msgh) 448 { 449 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 450 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 451 socklen_t space = 0; 452 453 while (cmsg && target_cmsg) { 454 void *data = CMSG_DATA(cmsg); 455 void *target_data = TARGET_CMSG_DATA(target_cmsg); 456 457 int len = tswapl(target_cmsg->cmsg_len) 458 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); 459 460 space += CMSG_SPACE(len); 461 if (space > msgh->msg_controllen) { 462 space -= CMSG_SPACE(len); 463 gemu_log("Host cmsg overflow"); 464 break; 465 } 466 467 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); 468 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); 469 cmsg->cmsg_len = CMSG_LEN(len); 470 471 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 472 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 473 memcpy(data, target_data, len); 474 } else { 475 int *fd = (int *)data; 476 int *target_fd = (int *)target_data; 477 int i, numfds = len / sizeof(int); 478 479 for (i = 0; i < numfds; i++) 480 fd[i] = tswap32(target_fd[i]); 481 } 482 483 cmsg = CMSG_NXTHDR(msgh, cmsg); 484 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 485 } 486 487 msgh->msg_controllen = space; 488 } 489 490 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh, 491 struct msghdr *msgh) 492 { 493 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 494 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 495 socklen_t space = 0; 496 497 while (cmsg && target_cmsg) { 498 void *data = CMSG_DATA(cmsg); 499 void *target_data = TARGET_CMSG_DATA(target_cmsg); 500 501 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); 502 503 space += TARGET_CMSG_SPACE(len); 504 if (space > tswapl(target_msgh->msg_controllen)) { 505 space -= TARGET_CMSG_SPACE(len); 506 gemu_log("Target cmsg overflow"); 507 break; 508 } 509 510 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); 511 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); 512 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); 513 514 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 515 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 516 memcpy(target_data, data, len); 517 } else { 518 int *fd = (int *)data; 519 int *target_fd = (int *)target_data; 520 int i, numfds = len / sizeof(int); 521 522 for (i = 0; i < numfds; i++) 523 target_fd[i] = tswap32(fd[i]); 524 } 525 526 cmsg = CMSG_NXTHDR(msgh, cmsg); 527 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 528 } 529 530 msgh->msg_controllen = tswapl(space); 531 } 532 533 static long do_setsockopt(int sockfd, int level, int optname, 534 void *optval, socklen_t optlen) 535 { 536 int val, ret; 537 538 switch(level) { 539 case SOL_TCP: 540 /* TCP options all take an 'int' value. */ 541 if (optlen < sizeof(uint32_t)) 542 return -EINVAL; 543 544 if (get_user(val, (uint32_t *)optval)) 545 return -EFAULT; 546 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 547 break; 548 case SOL_IP: 549 switch(optname) { 550 case IP_HDRINCL: 551 val = 0; 552 if (optlen >= sizeof(uint32_t)) { 553 if (get_user(val, (uint32_t *)optval)) 554 return -EFAULT; 555 } else if (optlen >= 1) { 556 if (get_user(val, (uint8_t *)optval)) 557 return -EFAULT; 558 } 559 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 560 break; 561 default: 562 goto unimplemented; 563 } 564 break; 565 case SOL_SOCKET: 566 switch (optname) { 567 /* Options with 'int' argument. */ 568 case SO_DEBUG: 569 case SO_REUSEADDR: 570 case SO_TYPE: 571 case SO_ERROR: 572 case SO_DONTROUTE: 573 case SO_BROADCAST: 574 case SO_SNDBUF: 575 case SO_RCVBUF: 576 case SO_KEEPALIVE: 577 case SO_OOBINLINE: 578 case SO_NO_CHECK: 579 case SO_PRIORITY: 580 case SO_BSDCOMPAT: 581 case SO_PASSCRED: 582 case SO_TIMESTAMP: 583 case SO_RCVLOWAT: 584 case SO_RCVTIMEO: 585 case SO_SNDTIMEO: 586 if (optlen < sizeof(uint32_t)) 587 return -EINVAL; 588 if (get_user(val, (uint32_t *)optval)) 589 return -EFAULT; 590 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 591 break; 592 default: 593 goto unimplemented; 594 } 595 break; 596 default: 597 unimplemented: 598 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); 599 ret = -ENOSYS; 600 } 601 return ret; 602 } 603 604 static long do_getsockopt(int sockfd, int level, int optname, 605 void *optval, socklen_t *optlen) 606 { 607 int len, lv, val, ret; 608 609 switch(level) { 610 case SOL_SOCKET: 611 switch (optname) { 612 case SO_LINGER: 613 case SO_RCVTIMEO: 614 case SO_SNDTIMEO: 615 case SO_PEERCRED: 616 case SO_PEERNAME: 617 /* These don't just return a single integer */ 618 goto unimplemented; 619 default: 620 if (get_user(len, optlen)) 621 return -EFAULT; 622 if (len < 0) 623 return -EINVAL; 624 lv = sizeof(int); 625 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 626 if (ret < 0) 627 return ret; 628 val = tswap32(val); 629 if (len > lv) 630 len = lv; 631 if (copy_to_user(optval, &val, len)) 632 return -EFAULT; 633 if (put_user(len, optlen)) 634 return -EFAULT; 635 break; 636 } 637 break; 638 default: 639 unimplemented: 640 gemu_log("getsockopt level=%d optname=%d not yet supported\n", 641 level, optname); 642 ret = -ENOSYS; 643 break; 644 } 645 return ret; 646 } 647 648 static long do_socketcall(int num, int32_t *vptr) 649 { 650 long ret; 651 652 switch(num) { 653 case SOCKOP_socket: 654 { 655 int domain = tswap32(vptr[0]); 656 int type = tswap32(vptr[1]); 657 int protocol = tswap32(vptr[2]); 658 659 ret = get_errno(socket(domain, type, protocol)); 660 } 661 break; 662 case SOCKOP_bind: 663 { 664 int sockfd = tswap32(vptr[0]); 665 void *target_addr = (void *)tswap32(vptr[1]); 666 socklen_t addrlen = tswap32(vptr[2]); 667 void *addr = alloca(addrlen); 668 669 target_to_host_sockaddr(addr, target_addr, addrlen); 670 ret = get_errno(bind(sockfd, addr, addrlen)); 671 } 672 break; 673 case SOCKOP_connect: 674 { 675 int sockfd = tswap32(vptr[0]); 676 void *target_addr = (void *)tswap32(vptr[1]); 677 socklen_t addrlen = tswap32(vptr[2]); 678 void *addr = alloca(addrlen); 679 680 target_to_host_sockaddr(addr, target_addr, addrlen); 681 ret = get_errno(connect(sockfd, addr, addrlen)); 682 } 683 break; 684 case SOCKOP_listen: 685 { 686 int sockfd = tswap32(vptr[0]); 687 int backlog = tswap32(vptr[1]); 688 689 ret = get_errno(listen(sockfd, backlog)); 690 } 691 break; 692 case SOCKOP_accept: 693 { 694 int sockfd = tswap32(vptr[0]); 695 void *target_addr = (void *)tswap32(vptr[1]); 696 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 697 socklen_t addrlen = tswap32(*target_addrlen); 698 void *addr = alloca(addrlen); 699 700 ret = get_errno(accept(sockfd, addr, &addrlen)); 701 if (!is_error(ret)) { 702 host_to_target_sockaddr(target_addr, addr, addrlen); 703 *target_addrlen = tswap32(addrlen); 704 } 705 } 706 break; 707 case SOCKOP_getsockname: 708 { 709 int sockfd = tswap32(vptr[0]); 710 void *target_addr = (void *)tswap32(vptr[1]); 711 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 712 socklen_t addrlen = tswap32(*target_addrlen); 713 void *addr = alloca(addrlen); 714 715 ret = get_errno(getsockname(sockfd, addr, &addrlen)); 716 if (!is_error(ret)) { 717 host_to_target_sockaddr(target_addr, addr, addrlen); 718 *target_addrlen = tswap32(addrlen); 719 } 720 } 721 break; 722 case SOCKOP_getpeername: 723 { 724 int sockfd = tswap32(vptr[0]); 725 void *target_addr = (void *)tswap32(vptr[1]); 726 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 727 socklen_t addrlen = tswap32(*target_addrlen); 728 void *addr = alloca(addrlen); 729 730 ret = get_errno(getpeername(sockfd, addr, &addrlen)); 731 if (!is_error(ret)) { 732 host_to_target_sockaddr(target_addr, addr, addrlen); 733 *target_addrlen = tswap32(addrlen); 734 } 735 } 736 break; 737 case SOCKOP_socketpair: 738 { 739 int domain = tswap32(vptr[0]); 740 int type = tswap32(vptr[1]); 741 int protocol = tswap32(vptr[2]); 742 int32_t *target_tab = (void *)tswap32(vptr[3]); 743 int tab[2]; 744 745 ret = get_errno(socketpair(domain, type, protocol, tab)); 746 if (!is_error(ret)) { 747 target_tab[0] = tswap32(tab[0]); 748 target_tab[1] = tswap32(tab[1]); 749 } 750 } 751 break; 752 case SOCKOP_send: 753 { 754 int sockfd = tswap32(vptr[0]); 755 void *msg = (void *)tswap32(vptr[1]); 756 size_t len = tswap32(vptr[2]); 757 int flags = tswap32(vptr[3]); 758 759 ret = get_errno(send(sockfd, msg, len, flags)); 760 } 761 break; 762 case SOCKOP_recv: 763 { 764 int sockfd = tswap32(vptr[0]); 765 void *msg = (void *)tswap32(vptr[1]); 766 size_t len = tswap32(vptr[2]); 767 int flags = tswap32(vptr[3]); 768 769 ret = get_errno(recv(sockfd, msg, len, flags)); 770 } 771 break; 772 case SOCKOP_sendto: 773 { 774 int sockfd = tswap32(vptr[0]); 775 void *msg = (void *)tswap32(vptr[1]); 776 size_t len = tswap32(vptr[2]); 777 int flags = tswap32(vptr[3]); 778 void *target_addr = (void *)tswap32(vptr[4]); 779 socklen_t addrlen = tswap32(vptr[5]); 780 void *addr = alloca(addrlen); 781 782 target_to_host_sockaddr(addr, target_addr, addrlen); 783 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen)); 784 } 785 break; 786 case SOCKOP_recvfrom: 787 { 788 int sockfd = tswap32(vptr[0]); 789 void *msg = (void *)tswap32(vptr[1]); 790 size_t len = tswap32(vptr[2]); 791 int flags = tswap32(vptr[3]); 792 void *target_addr = (void *)tswap32(vptr[4]); 793 uint32_t *target_addrlen = (void *)tswap32(vptr[5]); 794 socklen_t addrlen = tswap32(*target_addrlen); 795 void *addr = alloca(addrlen); 796 797 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen)); 798 if (!is_error(ret)) { 799 host_to_target_sockaddr(target_addr, addr, addrlen); 800 *target_addrlen = tswap32(addrlen); 801 } 802 } 803 break; 804 case SOCKOP_shutdown: 805 { 806 int sockfd = tswap32(vptr[0]); 807 int how = tswap32(vptr[1]); 808 809 ret = get_errno(shutdown(sockfd, how)); 810 } 811 break; 812 case SOCKOP_sendmsg: 813 case SOCKOP_recvmsg: 814 { 815 int fd; 816 struct target_msghdr *msgp; 817 struct msghdr msg; 818 int flags, count, i; 819 struct iovec *vec; 820 struct target_iovec *target_vec; 821 822 msgp = (void *)tswap32(vptr[1]); 823 msg.msg_name = (void *)tswapl(msgp->msg_name); 824 msg.msg_namelen = tswapl(msgp->msg_namelen); 825 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); 826 msg.msg_control = alloca(msg.msg_controllen); 827 msg.msg_flags = tswap32(msgp->msg_flags); 828 829 count = tswapl(msgp->msg_iovlen); 830 vec = alloca(count * sizeof(struct iovec)); 831 target_vec = (void *)tswapl(msgp->msg_iov); 832 for(i = 0;i < count; i++) { 833 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 834 vec[i].iov_len = tswapl(target_vec[i].iov_len); 835 } 836 msg.msg_iovlen = count; 837 msg.msg_iov = vec; 838 839 fd = tswap32(vptr[0]); 840 flags = tswap32(vptr[2]); 841 if (num == SOCKOP_sendmsg) { 842 target_to_host_cmsg(&msg, msgp); 843 ret = get_errno(sendmsg(fd, &msg, flags)); 844 } else { 845 ret = get_errno(recvmsg(fd, &msg, flags)); 846 if (!is_error(ret)) 847 host_to_target_cmsg(msgp, &msg); 848 } 849 } 850 break; 851 case SOCKOP_setsockopt: 852 { 853 int sockfd = tswap32(vptr[0]); 854 int level = tswap32(vptr[1]); 855 int optname = tswap32(vptr[2]); 856 void *optval = (void *)tswap32(vptr[3]); 857 socklen_t optlen = tswap32(vptr[4]); 858 859 ret = do_setsockopt(sockfd, level, optname, optval, optlen); 860 } 861 break; 862 case SOCKOP_getsockopt: 863 { 864 int sockfd = tswap32(vptr[0]); 865 int level = tswap32(vptr[1]); 866 int optname = tswap32(vptr[2]); 867 void *optval = (void *)tswap32(vptr[3]); 868 uint32_t *poptlen = (void *)tswap32(vptr[4]); 869 870 ret = do_getsockopt(sockfd, level, optname, optval, poptlen); 871 } 872 break; 873 default: 874 gemu_log("Unsupported socketcall: %d\n", num); 875 ret = -ENOSYS; 876 break; 877 } 878 return ret; 879 } 880 881 882 #define N_SHM_REGIONS 32 883 884 static struct shm_region { 885 uint32_t start; 886 uint32_t size; 887 } shm_regions[N_SHM_REGIONS]; 888 889 static long do_ipc(long call, long first, long second, long third, 890 long ptr, long fifth) 891 { 892 int version; 893 long ret = 0; 894 unsigned long raddr; 895 struct shmid_ds shm_info; 896 int i; 897 898 version = call >> 16; 899 call &= 0xffff; 900 901 switch (call) { 902 case IPCOP_shmat: 903 /* SHM_* flags are the same on all linux platforms */ 904 ret = get_errno((long) shmat(first, (void *) ptr, second)); 905 if (is_error(ret)) 906 break; 907 raddr = ret; 908 /* find out the length of the shared memory segment */ 909 910 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 911 if (is_error(ret)) { 912 /* can't get length, bail out */ 913 shmdt((void *) raddr); 914 break; 915 } 916 page_set_flags(raddr, raddr + shm_info.shm_segsz, 917 PAGE_VALID | PAGE_READ | 918 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 919 for (i = 0; i < N_SHM_REGIONS; ++i) { 920 if (shm_regions[i].start == 0) { 921 shm_regions[i].start = raddr; 922 shm_regions[i].size = shm_info.shm_segsz; 923 break; 924 } 925 } 926 if (put_user(raddr, (uint32_t *)third)) 927 return -EFAULT; 928 ret = 0; 929 break; 930 case IPCOP_shmdt: 931 for (i = 0; i < N_SHM_REGIONS; ++i) { 932 if (shm_regions[i].start == ptr) { 933 shm_regions[i].start = 0; 934 page_set_flags(ptr, shm_regions[i].size, 0); 935 break; 936 } 937 } 938 ret = get_errno(shmdt((void *) ptr)); 939 break; 940 941 case IPCOP_shmget: 942 /* IPC_* flag values are the same on all linux platforms */ 943 ret = get_errno(shmget(first, second, third)); 944 break; 945 946 /* IPC_* and SHM_* command values are the same on all linux platforms */ 947 case IPCOP_shmctl: 948 switch(second) { 949 case IPC_RMID: 950 case SHM_LOCK: 951 case SHM_UNLOCK: 952 ret = get_errno(shmctl(first, second, NULL)); 953 break; 954 default: 955 goto unimplemented; 956 } 957 break; 958 default: 959 unimplemented: 960 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version); 961 ret = -ENOSYS; 962 break; 963 } 964 return ret; 965 } 966 967 /* kernel structure types definitions */ 968 #define IFNAMSIZ 16 969 970 #define STRUCT(name, list...) STRUCT_ ## name, 971 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 972 enum { 973 #include "syscall_types.h" 974 }; 975 #undef STRUCT 976 #undef STRUCT_SPECIAL 977 978 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 979 #define STRUCT_SPECIAL(name) 980 #include "syscall_types.h" 981 #undef STRUCT 982 #undef STRUCT_SPECIAL 983 984 typedef struct IOCTLEntry { 985 unsigned int target_cmd; 986 unsigned int host_cmd; 987 const char *name; 988 int access; 989 const argtype arg_type[5]; 990 } IOCTLEntry; 991 992 #define IOC_R 0x0001 993 #define IOC_W 0x0002 994 #define IOC_RW (IOC_R | IOC_W) 995 996 #define MAX_STRUCT_SIZE 4096 997 998 IOCTLEntry ioctl_entries[] = { 999 #define IOCTL(cmd, access, types...) \ 1000 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 1001 #include "ioctls.h" 1002 { 0, 0, }, 1003 }; 1004 1005 static long do_ioctl(long fd, long cmd, long arg) 1006 { 1007 const IOCTLEntry *ie; 1008 const argtype *arg_type; 1009 long ret; 1010 uint8_t buf_temp[MAX_STRUCT_SIZE]; 1011 1012 ie = ioctl_entries; 1013 for(;;) { 1014 if (ie->target_cmd == 0) { 1015 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); 1016 return -ENOSYS; 1017 } 1018 if (ie->target_cmd == cmd) 1019 break; 1020 ie++; 1021 } 1022 arg_type = ie->arg_type; 1023 #if defined(DEBUG) 1024 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); 1025 #endif 1026 switch(arg_type[0]) { 1027 case TYPE_NULL: 1028 /* no argument */ 1029 ret = get_errno(ioctl(fd, ie->host_cmd)); 1030 break; 1031 case TYPE_PTRVOID: 1032 case TYPE_INT: 1033 /* int argment */ 1034 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 1035 break; 1036 case TYPE_PTR: 1037 arg_type++; 1038 switch(ie->access) { 1039 case IOC_R: 1040 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1041 if (!is_error(ret)) { 1042 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 1043 } 1044 break; 1045 case IOC_W: 1046 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 1047 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1048 break; 1049 default: 1050 case IOC_RW: 1051 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 1052 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1053 if (!is_error(ret)) { 1054 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 1055 } 1056 break; 1057 } 1058 break; 1059 default: 1060 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); 1061 ret = -ENOSYS; 1062 break; 1063 } 1064 return ret; 1065 } 1066 1067 bitmask_transtbl iflag_tbl[] = { 1068 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 1069 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 1070 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 1071 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 1072 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 1073 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 1074 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 1075 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 1076 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 1077 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 1078 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 1079 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 1080 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 1081 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 1082 { 0, 0, 0, 0 } 1083 }; 1084 1085 bitmask_transtbl oflag_tbl[] = { 1086 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 1087 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 1088 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 1089 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 1090 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 1091 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 1092 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 1093 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 1094 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 1095 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 1096 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 1097 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 1098 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 1099 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 1100 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 1101 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 1102 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 1103 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 1104 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 1105 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 1106 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 1107 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 1108 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 1109 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 1110 { 0, 0, 0, 0 } 1111 }; 1112 1113 bitmask_transtbl cflag_tbl[] = { 1114 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 1115 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 1116 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 1117 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 1118 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 1119 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 1120 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 1121 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 1122 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 1123 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 1124 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 1125 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 1126 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 1127 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 1128 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 1129 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 1130 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 1131 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 1132 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 1133 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 1134 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 1135 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 1136 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 1137 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 1138 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 1139 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 1140 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 1141 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 1142 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 1143 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 1144 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 1145 { 0, 0, 0, 0 } 1146 }; 1147 1148 bitmask_transtbl lflag_tbl[] = { 1149 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 1150 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 1151 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 1152 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 1153 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 1154 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 1155 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 1156 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 1157 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 1158 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 1159 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 1160 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 1161 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 1162 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 1163 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 1164 { 0, 0, 0, 0 } 1165 }; 1166 1167 static void target_to_host_termios (void *dst, const void *src) 1168 { 1169 struct host_termios *host = dst; 1170 const struct target_termios *target = src; 1171 1172 host->c_iflag = 1173 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 1174 host->c_oflag = 1175 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 1176 host->c_cflag = 1177 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 1178 host->c_lflag = 1179 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 1180 host->c_line = target->c_line; 1181 1182 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 1183 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 1184 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 1185 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 1186 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 1187 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 1188 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 1189 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 1190 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 1191 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 1192 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 1193 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 1194 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 1195 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 1196 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 1197 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 1198 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 1199 } 1200 1201 static void host_to_target_termios (void *dst, const void *src) 1202 { 1203 struct target_termios *target = dst; 1204 const struct host_termios *host = src; 1205 1206 target->c_iflag = 1207 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 1208 target->c_oflag = 1209 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 1210 target->c_cflag = 1211 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 1212 target->c_lflag = 1213 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 1214 target->c_line = host->c_line; 1215 1216 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 1217 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 1218 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 1219 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 1220 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 1221 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 1222 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 1223 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 1224 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 1225 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 1226 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 1227 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 1228 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 1229 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 1230 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 1231 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 1232 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 1233 } 1234 1235 StructEntry struct_termios_def = { 1236 .convert = { host_to_target_termios, target_to_host_termios }, 1237 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 1238 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 1239 }; 1240 1241 static bitmask_transtbl mmap_flags_tbl[] = { 1242 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 1243 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 1244 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 1245 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 1246 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 1247 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 1248 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 1249 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 1250 { 0, 0, 0, 0 } 1251 }; 1252 1253 static bitmask_transtbl fcntl_flags_tbl[] = { 1254 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 1255 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 1256 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 1257 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 1258 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 1259 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 1260 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 1261 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 1262 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 1263 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 1264 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 1265 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 1266 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 1267 #if defined(O_DIRECT) 1268 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 1269 #endif 1270 { 0, 0, 0, 0 } 1271 }; 1272 1273 #if defined(TARGET_I386) 1274 1275 /* NOTE: there is really one LDT for all the threads */ 1276 uint8_t *ldt_table; 1277 1278 static int read_ldt(void *ptr, unsigned long bytecount) 1279 { 1280 int size; 1281 1282 if (!ldt_table) 1283 return 0; 1284 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 1285 if (size > bytecount) 1286 size = bytecount; 1287 memcpy(ptr, ldt_table, size); 1288 return size; 1289 } 1290 1291 /* XXX: add locking support */ 1292 static int write_ldt(CPUX86State *env, 1293 void *ptr, unsigned long bytecount, int oldmode) 1294 { 1295 struct target_modify_ldt_ldt_s ldt_info; 1296 int seg_32bit, contents, read_exec_only, limit_in_pages; 1297 int seg_not_present, useable; 1298 uint32_t *lp, entry_1, entry_2; 1299 1300 if (bytecount != sizeof(ldt_info)) 1301 return -EINVAL; 1302 memcpy(&ldt_info, ptr, sizeof(ldt_info)); 1303 tswap32s(&ldt_info.entry_number); 1304 tswapls((long *)&ldt_info.base_addr); 1305 tswap32s(&ldt_info.limit); 1306 tswap32s(&ldt_info.flags); 1307 1308 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 1309 return -EINVAL; 1310 seg_32bit = ldt_info.flags & 1; 1311 contents = (ldt_info.flags >> 1) & 3; 1312 read_exec_only = (ldt_info.flags >> 3) & 1; 1313 limit_in_pages = (ldt_info.flags >> 4) & 1; 1314 seg_not_present = (ldt_info.flags >> 5) & 1; 1315 useable = (ldt_info.flags >> 6) & 1; 1316 1317 if (contents == 3) { 1318 if (oldmode) 1319 return -EINVAL; 1320 if (seg_not_present == 0) 1321 return -EINVAL; 1322 } 1323 /* allocate the LDT */ 1324 if (!ldt_table) { 1325 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1326 if (!ldt_table) 1327 return -ENOMEM; 1328 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1329 env->ldt.base = (long)ldt_table; 1330 env->ldt.limit = 0xffff; 1331 } 1332 1333 /* NOTE: same code as Linux kernel */ 1334 /* Allow LDTs to be cleared by the user. */ 1335 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 1336 if (oldmode || 1337 (contents == 0 && 1338 read_exec_only == 1 && 1339 seg_32bit == 0 && 1340 limit_in_pages == 0 && 1341 seg_not_present == 1 && 1342 useable == 0 )) { 1343 entry_1 = 0; 1344 entry_2 = 0; 1345 goto install; 1346 } 1347 } 1348 1349 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 1350 (ldt_info.limit & 0x0ffff); 1351 entry_2 = (ldt_info.base_addr & 0xff000000) | 1352 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 1353 (ldt_info.limit & 0xf0000) | 1354 ((read_exec_only ^ 1) << 9) | 1355 (contents << 10) | 1356 ((seg_not_present ^ 1) << 15) | 1357 (seg_32bit << 22) | 1358 (limit_in_pages << 23) | 1359 0x7000; 1360 if (!oldmode) 1361 entry_2 |= (useable << 20); 1362 1363 /* Install the new entry ... */ 1364 install: 1365 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 1366 lp[0] = tswap32(entry_1); 1367 lp[1] = tswap32(entry_2); 1368 return 0; 1369 } 1370 1371 /* specific and weird i386 syscalls */ 1372 int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount) 1373 { 1374 int ret = -ENOSYS; 1375 1376 switch (func) { 1377 case 0: 1378 ret = read_ldt(ptr, bytecount); 1379 break; 1380 case 1: 1381 ret = write_ldt(env, ptr, bytecount, 1); 1382 break; 1383 case 0x11: 1384 ret = write_ldt(env, ptr, bytecount, 0); 1385 break; 1386 } 1387 return ret; 1388 } 1389 1390 #endif /* defined(TARGET_I386) */ 1391 1392 /* this stack is the equivalent of the kernel stack associated with a 1393 thread/process */ 1394 #define NEW_STACK_SIZE 8192 1395 1396 static int clone_func(void *arg) 1397 { 1398 CPUState *env = arg; 1399 cpu_loop(env); 1400 /* never exits */ 1401 return 0; 1402 } 1403 1404 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp) 1405 { 1406 int ret; 1407 TaskState *ts; 1408 uint8_t *new_stack; 1409 CPUState *new_env; 1410 1411 if (flags & CLONE_VM) { 1412 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 1413 memset(ts, 0, sizeof(TaskState)); 1414 new_stack = ts->stack; 1415 ts->used = 1; 1416 /* add in task state list */ 1417 ts->next = first_task_state; 1418 first_task_state = ts; 1419 /* we create a new CPU instance. */ 1420 new_env = cpu_init(); 1421 memcpy(new_env, env, sizeof(CPUState)); 1422 #if defined(TARGET_I386) 1423 if (!newsp) 1424 newsp = env->regs[R_ESP]; 1425 new_env->regs[R_ESP] = newsp; 1426 new_env->regs[R_EAX] = 0; 1427 #elif defined(TARGET_ARM) 1428 if (!newsp) 1429 newsp = env->regs[13]; 1430 new_env->regs[13] = newsp; 1431 new_env->regs[0] = 0; 1432 #elif defined(TARGET_SPARC) 1433 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 1434 #elif defined(TARGET_PPC) 1435 if (!newsp) 1436 newsp = env->gpr[1]; 1437 new_env->gpr[1] = newsp; 1438 { 1439 int i; 1440 for (i = 7; i < 32; i++) 1441 new_env->gpr[i] = 0; 1442 } 1443 #else 1444 #error unsupported target CPU 1445 #endif 1446 new_env->opaque = ts; 1447 #ifdef __ia64__ 1448 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1449 #else 1450 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1451 #endif 1452 } else { 1453 /* if no CLONE_VM, we consider it is a fork */ 1454 if ((flags & ~CSIGNAL) != 0) 1455 return -EINVAL; 1456 ret = fork(); 1457 } 1458 return ret; 1459 } 1460 1461 static long do_fcntl(int fd, int cmd, unsigned long arg) 1462 { 1463 struct flock fl; 1464 struct target_flock *target_fl = (void *)arg; 1465 long ret; 1466 1467 switch(cmd) { 1468 case TARGET_F_GETLK: 1469 ret = fcntl(fd, cmd, &fl); 1470 if (ret == 0) { 1471 target_fl->l_type = tswap16(fl.l_type); 1472 target_fl->l_whence = tswap16(fl.l_whence); 1473 target_fl->l_start = tswapl(fl.l_start); 1474 target_fl->l_len = tswapl(fl.l_len); 1475 target_fl->l_pid = tswapl(fl.l_pid); 1476 } 1477 break; 1478 1479 case TARGET_F_SETLK: 1480 case TARGET_F_SETLKW: 1481 fl.l_type = tswap16(target_fl->l_type); 1482 fl.l_whence = tswap16(target_fl->l_whence); 1483 fl.l_start = tswapl(target_fl->l_start); 1484 fl.l_len = tswapl(target_fl->l_len); 1485 fl.l_pid = tswapl(target_fl->l_pid); 1486 ret = fcntl(fd, cmd, &fl); 1487 break; 1488 1489 case TARGET_F_GETLK64: 1490 case TARGET_F_SETLK64: 1491 case TARGET_F_SETLKW64: 1492 ret = -1; 1493 errno = EINVAL; 1494 break; 1495 1496 case F_GETFL: 1497 ret = fcntl(fd, cmd, arg); 1498 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 1499 break; 1500 1501 case F_SETFL: 1502 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)); 1503 break; 1504 1505 default: 1506 ret = fcntl(fd, cmd, arg); 1507 break; 1508 } 1509 return ret; 1510 } 1511 1512 #ifdef USE_UID16 1513 1514 static inline int high2lowuid(int uid) 1515 { 1516 if (uid > 65535) 1517 return 65534; 1518 else 1519 return uid; 1520 } 1521 1522 static inline int high2lowgid(int gid) 1523 { 1524 if (gid > 65535) 1525 return 65534; 1526 else 1527 return gid; 1528 } 1529 1530 static inline int low2highuid(int uid) 1531 { 1532 if ((int16_t)uid == -1) 1533 return -1; 1534 else 1535 return uid; 1536 } 1537 1538 static inline int low2highgid(int gid) 1539 { 1540 if ((int16_t)gid == -1) 1541 return -1; 1542 else 1543 return gid; 1544 } 1545 1546 #endif /* USE_UID16 */ 1547 1548 void syscall_init(void) 1549 { 1550 IOCTLEntry *ie; 1551 const argtype *arg_type; 1552 int size; 1553 1554 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 1555 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 1556 #include "syscall_types.h" 1557 #undef STRUCT 1558 #undef STRUCT_SPECIAL 1559 1560 /* we patch the ioctl size if necessary. We rely on the fact that 1561 no ioctl has all the bits at '1' in the size field */ 1562 ie = ioctl_entries; 1563 while (ie->target_cmd != 0) { 1564 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 1565 TARGET_IOC_SIZEMASK) { 1566 arg_type = ie->arg_type; 1567 if (arg_type[0] != TYPE_PTR) { 1568 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 1569 ie->target_cmd); 1570 exit(1); 1571 } 1572 arg_type++; 1573 size = thunk_type_size(arg_type, 0); 1574 ie->target_cmd = (ie->target_cmd & 1575 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 1576 (size << TARGET_IOC_SIZESHIFT); 1577 } 1578 /* automatic consistency check if same arch */ 1579 #if defined(__i386__) && defined(TARGET_I386) 1580 if (ie->target_cmd != ie->host_cmd) { 1581 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 1582 ie->target_cmd, ie->host_cmd); 1583 } 1584 #endif 1585 ie++; 1586 } 1587 } 1588 1589 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 1590 long arg4, long arg5, long arg6) 1591 { 1592 long ret; 1593 struct stat st; 1594 struct kernel_statfs *stfs; 1595 1596 #ifdef DEBUG 1597 gemu_log("syscall %d", num); 1598 #endif 1599 switch(num) { 1600 case TARGET_NR_exit: 1601 #ifdef HAVE_GPROF 1602 _mcleanup(); 1603 #endif 1604 /* XXX: should free thread stack and CPU env */ 1605 _exit(arg1); 1606 ret = 0; /* avoid warning */ 1607 break; 1608 case TARGET_NR_read: 1609 page_unprotect_range((void *)arg2, arg3); 1610 ret = get_errno(read(arg1, (void *)arg2, arg3)); 1611 break; 1612 case TARGET_NR_write: 1613 ret = get_errno(write(arg1, (void *)arg2, arg3)); 1614 break; 1615 case TARGET_NR_open: 1616 ret = get_errno(open(path((const char *)arg1), 1617 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1618 arg3)); 1619 break; 1620 case TARGET_NR_close: 1621 ret = get_errno(close(arg1)); 1622 break; 1623 case TARGET_NR_brk: 1624 ret = do_brk((char *)arg1); 1625 break; 1626 case TARGET_NR_fork: 1627 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 1628 break; 1629 case TARGET_NR_waitpid: 1630 { 1631 int *status = (int *)arg2; 1632 ret = get_errno(waitpid(arg1, status, arg3)); 1633 if (!is_error(ret) && status) 1634 tswapls((long *)&status); 1635 } 1636 break; 1637 case TARGET_NR_creat: 1638 ret = get_errno(creat((const char *)arg1, arg2)); 1639 break; 1640 case TARGET_NR_link: 1641 ret = get_errno(link((const char *)arg1, (const char *)arg2)); 1642 break; 1643 case TARGET_NR_unlink: 1644 ret = get_errno(unlink((const char *)arg1)); 1645 break; 1646 case TARGET_NR_execve: 1647 { 1648 char **argp, **envp; 1649 int argc, envc; 1650 uint32_t *p; 1651 char **q; 1652 1653 argc = 0; 1654 for (p = (void *)arg2; *p; p++) 1655 argc++; 1656 envc = 0; 1657 for (p = (void *)arg3; *p; p++) 1658 envc++; 1659 1660 argp = alloca((argc + 1) * sizeof(void *)); 1661 envp = alloca((envc + 1) * sizeof(void *)); 1662 1663 for (p = (void *)arg2, q = argp; *p; p++, q++) 1664 *q = (void *)tswap32(*p); 1665 *q = NULL; 1666 1667 for (p = (void *)arg3, q = envp; *p; p++, q++) 1668 *q = (void *)tswap32(*p); 1669 *q = NULL; 1670 1671 ret = get_errno(execve((const char *)arg1, argp, envp)); 1672 } 1673 break; 1674 case TARGET_NR_chdir: 1675 ret = get_errno(chdir((const char *)arg1)); 1676 break; 1677 #ifdef TARGET_NR_time 1678 case TARGET_NR_time: 1679 { 1680 int *time_ptr = (int *)arg1; 1681 ret = get_errno(time((time_t *)time_ptr)); 1682 if (!is_error(ret) && time_ptr) 1683 tswap32s(time_ptr); 1684 } 1685 break; 1686 #endif 1687 case TARGET_NR_mknod: 1688 ret = get_errno(mknod((const char *)arg1, arg2, arg3)); 1689 break; 1690 case TARGET_NR_chmod: 1691 ret = get_errno(chmod((const char *)arg1, arg2)); 1692 break; 1693 #ifdef TARGET_NR_break 1694 case TARGET_NR_break: 1695 goto unimplemented; 1696 #endif 1697 #ifdef TARGET_NR_oldstat 1698 case TARGET_NR_oldstat: 1699 goto unimplemented; 1700 #endif 1701 case TARGET_NR_lseek: 1702 ret = get_errno(lseek(arg1, arg2, arg3)); 1703 break; 1704 case TARGET_NR_getpid: 1705 ret = get_errno(getpid()); 1706 break; 1707 case TARGET_NR_mount: 1708 /* need to look at the data field */ 1709 goto unimplemented; 1710 case TARGET_NR_umount: 1711 ret = get_errno(umount((const char *)arg1)); 1712 break; 1713 case TARGET_NR_stime: 1714 { 1715 int *time_ptr = (int *)arg1; 1716 if (time_ptr) 1717 tswap32s(time_ptr); 1718 ret = get_errno(stime((time_t *)time_ptr)); 1719 } 1720 break; 1721 case TARGET_NR_ptrace: 1722 goto unimplemented; 1723 case TARGET_NR_alarm: 1724 ret = alarm(arg1); 1725 break; 1726 #ifdef TARGET_NR_oldfstat 1727 case TARGET_NR_oldfstat: 1728 goto unimplemented; 1729 #endif 1730 case TARGET_NR_pause: 1731 ret = get_errno(pause()); 1732 break; 1733 case TARGET_NR_utime: 1734 { 1735 struct utimbuf tbuf, *tbuf1; 1736 struct target_utimbuf *target_tbuf = (void *)arg2; 1737 if (target_tbuf) { 1738 get_user(tbuf.actime, &target_tbuf->actime); 1739 get_user(tbuf.modtime, &target_tbuf->modtime); 1740 tbuf1 = &tbuf; 1741 } else { 1742 tbuf1 = NULL; 1743 } 1744 ret = get_errno(utime((const char *)arg1, tbuf1)); 1745 } 1746 break; 1747 case TARGET_NR_utimes: 1748 { 1749 struct target_timeval *target_tvp = (struct target_timeval *)arg2; 1750 struct timeval *tvp, tv[2]; 1751 if (target_tvp) { 1752 target_to_host_timeval(&tv[0], &target_tvp[0]); 1753 target_to_host_timeval(&tv[1], &target_tvp[1]); 1754 tvp = tv; 1755 } else { 1756 tvp = NULL; 1757 } 1758 ret = get_errno(utimes((const char *)arg1, tvp)); 1759 } 1760 break; 1761 #ifdef TARGET_NR_stty 1762 case TARGET_NR_stty: 1763 goto unimplemented; 1764 #endif 1765 #ifdef TARGET_NR_gtty 1766 case TARGET_NR_gtty: 1767 goto unimplemented; 1768 #endif 1769 case TARGET_NR_access: 1770 ret = get_errno(access((const char *)arg1, arg2)); 1771 break; 1772 case TARGET_NR_nice: 1773 ret = get_errno(nice(arg1)); 1774 break; 1775 #ifdef TARGET_NR_ftime 1776 case TARGET_NR_ftime: 1777 goto unimplemented; 1778 #endif 1779 case TARGET_NR_sync: 1780 sync(); 1781 ret = 0; 1782 break; 1783 case TARGET_NR_kill: 1784 ret = get_errno(kill(arg1, arg2)); 1785 break; 1786 case TARGET_NR_rename: 1787 ret = get_errno(rename((const char *)arg1, (const char *)arg2)); 1788 break; 1789 case TARGET_NR_mkdir: 1790 ret = get_errno(mkdir((const char *)arg1, arg2)); 1791 break; 1792 case TARGET_NR_rmdir: 1793 ret = get_errno(rmdir((const char *)arg1)); 1794 break; 1795 case TARGET_NR_dup: 1796 ret = get_errno(dup(arg1)); 1797 break; 1798 case TARGET_NR_pipe: 1799 { 1800 int *pipe_ptr = (int *)arg1; 1801 ret = get_errno(pipe(pipe_ptr)); 1802 if (!is_error(ret)) { 1803 tswap32s(&pipe_ptr[0]); 1804 tswap32s(&pipe_ptr[1]); 1805 } 1806 } 1807 break; 1808 case TARGET_NR_times: 1809 { 1810 struct target_tms *tmsp = (void *)arg1; 1811 struct tms tms; 1812 ret = get_errno(times(&tms)); 1813 if (tmsp) { 1814 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 1815 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 1816 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 1817 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 1818 } 1819 if (!is_error(ret)) 1820 ret = host_to_target_clock_t(ret); 1821 } 1822 break; 1823 #ifdef TARGET_NR_prof 1824 case TARGET_NR_prof: 1825 goto unimplemented; 1826 #endif 1827 case TARGET_NR_signal: 1828 goto unimplemented; 1829 1830 case TARGET_NR_acct: 1831 goto unimplemented; 1832 case TARGET_NR_umount2: 1833 ret = get_errno(umount2((const char *)arg1, arg2)); 1834 break; 1835 #ifdef TARGET_NR_lock 1836 case TARGET_NR_lock: 1837 goto unimplemented; 1838 #endif 1839 case TARGET_NR_ioctl: 1840 ret = do_ioctl(arg1, arg2, arg3); 1841 break; 1842 case TARGET_NR_fcntl: 1843 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 1844 break; 1845 #ifdef TARGET_NR_mpx 1846 case TARGET_NR_mpx: 1847 goto unimplemented; 1848 #endif 1849 case TARGET_NR_setpgid: 1850 ret = get_errno(setpgid(arg1, arg2)); 1851 break; 1852 #ifdef TARGET_NR_ulimit 1853 case TARGET_NR_ulimit: 1854 goto unimplemented; 1855 #endif 1856 #ifdef TARGET_NR_oldolduname 1857 case TARGET_NR_oldolduname: 1858 goto unimplemented; 1859 #endif 1860 case TARGET_NR_umask: 1861 ret = get_errno(umask(arg1)); 1862 break; 1863 case TARGET_NR_chroot: 1864 ret = get_errno(chroot((const char *)arg1)); 1865 break; 1866 case TARGET_NR_ustat: 1867 goto unimplemented; 1868 case TARGET_NR_dup2: 1869 ret = get_errno(dup2(arg1, arg2)); 1870 break; 1871 case TARGET_NR_getppid: 1872 ret = get_errno(getppid()); 1873 break; 1874 case TARGET_NR_getpgrp: 1875 ret = get_errno(getpgrp()); 1876 break; 1877 case TARGET_NR_setsid: 1878 ret = get_errno(setsid()); 1879 break; 1880 case TARGET_NR_sigaction: 1881 { 1882 struct target_old_sigaction *old_act = (void *)arg2; 1883 struct target_old_sigaction *old_oact = (void *)arg3; 1884 struct target_sigaction act, oact, *pact; 1885 if (old_act) { 1886 act._sa_handler = old_act->_sa_handler; 1887 target_siginitset(&act.sa_mask, old_act->sa_mask); 1888 act.sa_flags = old_act->sa_flags; 1889 act.sa_restorer = old_act->sa_restorer; 1890 pact = &act; 1891 } else { 1892 pact = NULL; 1893 } 1894 ret = get_errno(do_sigaction(arg1, pact, &oact)); 1895 if (!is_error(ret) && old_oact) { 1896 old_oact->_sa_handler = oact._sa_handler; 1897 old_oact->sa_mask = oact.sa_mask.sig[0]; 1898 old_oact->sa_flags = oact.sa_flags; 1899 old_oact->sa_restorer = oact.sa_restorer; 1900 } 1901 } 1902 break; 1903 case TARGET_NR_rt_sigaction: 1904 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3)); 1905 break; 1906 case TARGET_NR_sgetmask: 1907 { 1908 sigset_t cur_set; 1909 target_ulong target_set; 1910 sigprocmask(0, NULL, &cur_set); 1911 host_to_target_old_sigset(&target_set, &cur_set); 1912 ret = target_set; 1913 } 1914 break; 1915 case TARGET_NR_ssetmask: 1916 { 1917 sigset_t set, oset, cur_set; 1918 target_ulong target_set = arg1; 1919 sigprocmask(0, NULL, &cur_set); 1920 target_to_host_old_sigset(&set, &target_set); 1921 sigorset(&set, &set, &cur_set); 1922 sigprocmask(SIG_SETMASK, &set, &oset); 1923 host_to_target_old_sigset(&target_set, &oset); 1924 ret = target_set; 1925 } 1926 break; 1927 case TARGET_NR_sigprocmask: 1928 { 1929 int how = arg1; 1930 sigset_t set, oldset, *set_ptr; 1931 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3; 1932 1933 if (pset) { 1934 switch(how) { 1935 case TARGET_SIG_BLOCK: 1936 how = SIG_BLOCK; 1937 break; 1938 case TARGET_SIG_UNBLOCK: 1939 how = SIG_UNBLOCK; 1940 break; 1941 case TARGET_SIG_SETMASK: 1942 how = SIG_SETMASK; 1943 break; 1944 default: 1945 ret = -EINVAL; 1946 goto fail; 1947 } 1948 target_to_host_old_sigset(&set, pset); 1949 set_ptr = &set; 1950 } else { 1951 how = 0; 1952 set_ptr = NULL; 1953 } 1954 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 1955 if (!is_error(ret) && poldset) { 1956 host_to_target_old_sigset(poldset, &oldset); 1957 } 1958 } 1959 break; 1960 case TARGET_NR_rt_sigprocmask: 1961 { 1962 int how = arg1; 1963 sigset_t set, oldset, *set_ptr; 1964 target_sigset_t *pset = (void *)arg2; 1965 target_sigset_t *poldset = (void *)arg3; 1966 1967 if (pset) { 1968 switch(how) { 1969 case TARGET_SIG_BLOCK: 1970 how = SIG_BLOCK; 1971 break; 1972 case TARGET_SIG_UNBLOCK: 1973 how = SIG_UNBLOCK; 1974 break; 1975 case TARGET_SIG_SETMASK: 1976 how = SIG_SETMASK; 1977 break; 1978 default: 1979 ret = -EINVAL; 1980 goto fail; 1981 } 1982 target_to_host_sigset(&set, pset); 1983 set_ptr = &set; 1984 } else { 1985 how = 0; 1986 set_ptr = NULL; 1987 } 1988 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 1989 if (!is_error(ret) && poldset) { 1990 host_to_target_sigset(poldset, &oldset); 1991 } 1992 } 1993 break; 1994 case TARGET_NR_sigpending: 1995 { 1996 sigset_t set; 1997 ret = get_errno(sigpending(&set)); 1998 if (!is_error(ret)) { 1999 host_to_target_old_sigset((target_ulong *)arg1, &set); 2000 } 2001 } 2002 break; 2003 case TARGET_NR_rt_sigpending: 2004 { 2005 sigset_t set; 2006 ret = get_errno(sigpending(&set)); 2007 if (!is_error(ret)) { 2008 host_to_target_sigset((target_sigset_t *)arg1, &set); 2009 } 2010 } 2011 break; 2012 case TARGET_NR_sigsuspend: 2013 { 2014 sigset_t set; 2015 target_to_host_old_sigset(&set, (target_ulong *)arg1); 2016 ret = get_errno(sigsuspend(&set)); 2017 } 2018 break; 2019 case TARGET_NR_rt_sigsuspend: 2020 { 2021 sigset_t set; 2022 target_to_host_sigset(&set, (target_sigset_t *)arg1); 2023 ret = get_errno(sigsuspend(&set)); 2024 } 2025 break; 2026 case TARGET_NR_rt_sigtimedwait: 2027 { 2028 target_sigset_t *target_set = (void *)arg1; 2029 target_siginfo_t *target_uinfo = (void *)arg2; 2030 struct target_timespec *target_uts = (void *)arg3; 2031 sigset_t set; 2032 struct timespec uts, *puts; 2033 siginfo_t uinfo; 2034 2035 target_to_host_sigset(&set, target_set); 2036 if (target_uts) { 2037 puts = &uts; 2038 puts->tv_sec = tswapl(target_uts->tv_sec); 2039 puts->tv_nsec = tswapl(target_uts->tv_nsec); 2040 } else { 2041 puts = NULL; 2042 } 2043 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 2044 if (!is_error(ret) && target_uinfo) { 2045 host_to_target_siginfo(target_uinfo, &uinfo); 2046 } 2047 } 2048 break; 2049 case TARGET_NR_rt_sigqueueinfo: 2050 { 2051 siginfo_t uinfo; 2052 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3); 2053 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 2054 } 2055 break; 2056 case TARGET_NR_sigreturn: 2057 /* NOTE: ret is eax, so not transcoding must be done */ 2058 ret = do_sigreturn(cpu_env); 2059 break; 2060 case TARGET_NR_rt_sigreturn: 2061 /* NOTE: ret is eax, so not transcoding must be done */ 2062 ret = do_rt_sigreturn(cpu_env); 2063 break; 2064 case TARGET_NR_sethostname: 2065 ret = get_errno(sethostname((const char *)arg1, arg2)); 2066 break; 2067 case TARGET_NR_setrlimit: 2068 { 2069 /* XXX: convert resource ? */ 2070 int resource = arg1; 2071 struct target_rlimit *target_rlim = (void *)arg2; 2072 struct rlimit rlim; 2073 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 2074 rlim.rlim_max = tswapl(target_rlim->rlim_max); 2075 ret = get_errno(setrlimit(resource, &rlim)); 2076 } 2077 break; 2078 case TARGET_NR_getrlimit: 2079 { 2080 /* XXX: convert resource ? */ 2081 int resource = arg1; 2082 struct target_rlimit *target_rlim = (void *)arg2; 2083 struct rlimit rlim; 2084 2085 ret = get_errno(getrlimit(resource, &rlim)); 2086 if (!is_error(ret)) { 2087 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 2088 target_rlim->rlim_max = tswapl(rlim.rlim_max); 2089 } 2090 } 2091 break; 2092 case TARGET_NR_getrusage: 2093 { 2094 struct rusage rusage; 2095 struct target_rusage *target_rusage = (void *)arg2; 2096 ret = get_errno(getrusage(arg1, &rusage)); 2097 if (!is_error(ret)) { 2098 host_to_target_rusage(target_rusage, &rusage); 2099 } 2100 } 2101 break; 2102 case TARGET_NR_gettimeofday: 2103 { 2104 struct target_timeval *target_tv = (void *)arg1; 2105 struct timeval tv; 2106 ret = get_errno(gettimeofday(&tv, NULL)); 2107 if (!is_error(ret)) { 2108 host_to_target_timeval(target_tv, &tv); 2109 } 2110 } 2111 break; 2112 case TARGET_NR_settimeofday: 2113 { 2114 struct target_timeval *target_tv = (void *)arg1; 2115 struct timeval tv; 2116 target_to_host_timeval(&tv, target_tv); 2117 ret = get_errno(settimeofday(&tv, NULL)); 2118 } 2119 break; 2120 case TARGET_NR_select: 2121 { 2122 struct target_sel_arg_struct *sel = (void *)arg1; 2123 sel->n = tswapl(sel->n); 2124 sel->inp = tswapl(sel->inp); 2125 sel->outp = tswapl(sel->outp); 2126 sel->exp = tswapl(sel->exp); 2127 sel->tvp = tswapl(sel->tvp); 2128 ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp, 2129 (void *)sel->exp, (void *)sel->tvp); 2130 } 2131 break; 2132 case TARGET_NR_symlink: 2133 ret = get_errno(symlink((const char *)arg1, (const char *)arg2)); 2134 break; 2135 #ifdef TARGET_NR_oldlstat 2136 case TARGET_NR_oldlstat: 2137 goto unimplemented; 2138 #endif 2139 case TARGET_NR_readlink: 2140 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3)); 2141 break; 2142 case TARGET_NR_uselib: 2143 goto unimplemented; 2144 case TARGET_NR_swapon: 2145 ret = get_errno(swapon((const char *)arg1, arg2)); 2146 break; 2147 case TARGET_NR_reboot: 2148 goto unimplemented; 2149 case TARGET_NR_readdir: 2150 goto unimplemented; 2151 case TARGET_NR_mmap: 2152 #if defined(TARGET_I386) || defined(TARGET_ARM) 2153 { 2154 uint32_t v1, v2, v3, v4, v5, v6, *vptr; 2155 vptr = (uint32_t *)arg1; 2156 v1 = tswap32(vptr[0]); 2157 v2 = tswap32(vptr[1]); 2158 v3 = tswap32(vptr[2]); 2159 v4 = tswap32(vptr[3]); 2160 v5 = tswap32(vptr[4]); 2161 v6 = tswap32(vptr[5]); 2162 ret = get_errno(target_mmap(v1, v2, v3, 2163 target_to_host_bitmask(v4, mmap_flags_tbl), 2164 v5, v6)); 2165 } 2166 #else 2167 ret = get_errno(target_mmap(arg1, arg2, arg3, 2168 target_to_host_bitmask(arg4, mmap_flags_tbl), 2169 arg5, 2170 arg6)); 2171 #endif 2172 break; 2173 #ifdef TARGET_NR_mmap2 2174 case TARGET_NR_mmap2: 2175 #if defined(TARGET_SPARC) 2176 #define MMAP_SHIFT 12 2177 #else 2178 #define MMAP_SHIFT TARGET_PAGE_BITS 2179 #endif 2180 ret = get_errno(target_mmap(arg1, arg2, arg3, 2181 target_to_host_bitmask(arg4, mmap_flags_tbl), 2182 arg5, 2183 arg6 << MMAP_SHIFT)); 2184 break; 2185 #endif 2186 case TARGET_NR_munmap: 2187 ret = get_errno(target_munmap(arg1, arg2)); 2188 break; 2189 case TARGET_NR_mprotect: 2190 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 2191 break; 2192 case TARGET_NR_mremap: 2193 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 2194 break; 2195 case TARGET_NR_msync: 2196 ret = get_errno(msync((void *)arg1, arg2, arg3)); 2197 break; 2198 case TARGET_NR_mlock: 2199 ret = get_errno(mlock((void *)arg1, arg2)); 2200 break; 2201 case TARGET_NR_munlock: 2202 ret = get_errno(munlock((void *)arg1, arg2)); 2203 break; 2204 case TARGET_NR_mlockall: 2205 ret = get_errno(mlockall(arg1)); 2206 break; 2207 case TARGET_NR_munlockall: 2208 ret = get_errno(munlockall()); 2209 break; 2210 case TARGET_NR_truncate: 2211 ret = get_errno(truncate((const char *)arg1, arg2)); 2212 break; 2213 case TARGET_NR_ftruncate: 2214 ret = get_errno(ftruncate(arg1, arg2)); 2215 break; 2216 case TARGET_NR_fchmod: 2217 ret = get_errno(fchmod(arg1, arg2)); 2218 break; 2219 case TARGET_NR_getpriority: 2220 ret = get_errno(getpriority(arg1, arg2)); 2221 break; 2222 case TARGET_NR_setpriority: 2223 ret = get_errno(setpriority(arg1, arg2, arg3)); 2224 break; 2225 #ifdef TARGET_NR_profil 2226 case TARGET_NR_profil: 2227 goto unimplemented; 2228 #endif 2229 case TARGET_NR_statfs: 2230 stfs = (void *)arg2; 2231 ret = get_errno(sys_statfs(path((const char *)arg1), stfs)); 2232 convert_statfs: 2233 if (!is_error(ret)) { 2234 tswap32s(&stfs->f_type); 2235 tswap32s(&stfs->f_bsize); 2236 tswap32s(&stfs->f_blocks); 2237 tswap32s(&stfs->f_bfree); 2238 tswap32s(&stfs->f_bavail); 2239 tswap32s(&stfs->f_files); 2240 tswap32s(&stfs->f_ffree); 2241 tswap32s(&stfs->f_fsid.val[0]); 2242 tswap32s(&stfs->f_fsid.val[1]); 2243 tswap32s(&stfs->f_namelen); 2244 } 2245 break; 2246 case TARGET_NR_fstatfs: 2247 stfs = (void *)arg2; 2248 ret = get_errno(sys_fstatfs(arg1, stfs)); 2249 goto convert_statfs; 2250 #ifdef TARGET_NR_ioperm 2251 case TARGET_NR_ioperm: 2252 goto unimplemented; 2253 #endif 2254 case TARGET_NR_socketcall: 2255 ret = do_socketcall(arg1, (int32_t *)arg2); 2256 break; 2257 case TARGET_NR_syslog: 2258 goto unimplemented; 2259 case TARGET_NR_setitimer: 2260 { 2261 struct target_itimerval *target_value = (void *)arg2; 2262 struct target_itimerval *target_ovalue = (void *)arg3; 2263 struct itimerval value, ovalue, *pvalue; 2264 2265 if (target_value) { 2266 pvalue = &value; 2267 target_to_host_timeval(&pvalue->it_interval, 2268 &target_value->it_interval); 2269 target_to_host_timeval(&pvalue->it_value, 2270 &target_value->it_value); 2271 } else { 2272 pvalue = NULL; 2273 } 2274 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 2275 if (!is_error(ret) && target_ovalue) { 2276 host_to_target_timeval(&target_ovalue->it_interval, 2277 &ovalue.it_interval); 2278 host_to_target_timeval(&target_ovalue->it_value, 2279 &ovalue.it_value); 2280 } 2281 } 2282 break; 2283 case TARGET_NR_getitimer: 2284 { 2285 struct target_itimerval *target_value = (void *)arg2; 2286 struct itimerval value; 2287 2288 ret = get_errno(getitimer(arg1, &value)); 2289 if (!is_error(ret) && target_value) { 2290 host_to_target_timeval(&target_value->it_interval, 2291 &value.it_interval); 2292 host_to_target_timeval(&target_value->it_value, 2293 &value.it_value); 2294 } 2295 } 2296 break; 2297 case TARGET_NR_stat: 2298 ret = get_errno(stat(path((const char *)arg1), &st)); 2299 goto do_stat; 2300 case TARGET_NR_lstat: 2301 ret = get_errno(lstat(path((const char *)arg1), &st)); 2302 goto do_stat; 2303 case TARGET_NR_fstat: 2304 { 2305 ret = get_errno(fstat(arg1, &st)); 2306 do_stat: 2307 if (!is_error(ret)) { 2308 struct target_stat *target_st = (void *)arg2; 2309 target_st->st_dev = tswap16(st.st_dev); 2310 target_st->st_ino = tswapl(st.st_ino); 2311 #if defined(TARGET_PPC) 2312 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ 2313 target_st->st_uid = tswap32(st.st_uid); 2314 target_st->st_gid = tswap32(st.st_gid); 2315 #else 2316 target_st->st_mode = tswap16(st.st_mode); 2317 target_st->st_uid = tswap16(st.st_uid); 2318 target_st->st_gid = tswap16(st.st_gid); 2319 #endif 2320 target_st->st_nlink = tswap16(st.st_nlink); 2321 target_st->st_rdev = tswap16(st.st_rdev); 2322 target_st->st_size = tswapl(st.st_size); 2323 target_st->st_blksize = tswapl(st.st_blksize); 2324 target_st->st_blocks = tswapl(st.st_blocks); 2325 target_st->target_st_atime = tswapl(st.st_atime); 2326 target_st->target_st_mtime = tswapl(st.st_mtime); 2327 target_st->target_st_ctime = tswapl(st.st_ctime); 2328 } 2329 } 2330 break; 2331 #ifdef TARGET_NR_olduname 2332 case TARGET_NR_olduname: 2333 goto unimplemented; 2334 #endif 2335 #ifdef TARGET_NR_iopl 2336 case TARGET_NR_iopl: 2337 goto unimplemented; 2338 #endif 2339 case TARGET_NR_vhangup: 2340 ret = get_errno(vhangup()); 2341 break; 2342 #ifdef TARGET_NR_idle 2343 case TARGET_NR_idle: 2344 goto unimplemented; 2345 #endif 2346 #ifdef TARGET_NR_syscall 2347 case TARGET_NR_syscall: 2348 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 2349 break; 2350 #endif 2351 case TARGET_NR_wait4: 2352 { 2353 int status; 2354 target_long *status_ptr = (void *)arg2; 2355 struct rusage rusage, *rusage_ptr; 2356 struct target_rusage *target_rusage = (void *)arg4; 2357 if (target_rusage) 2358 rusage_ptr = &rusage; 2359 else 2360 rusage_ptr = NULL; 2361 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 2362 if (!is_error(ret)) { 2363 if (status_ptr) 2364 *status_ptr = tswap32(status); 2365 if (target_rusage) { 2366 host_to_target_rusage(target_rusage, &rusage); 2367 } 2368 } 2369 } 2370 break; 2371 case TARGET_NR_swapoff: 2372 ret = get_errno(swapoff((const char *)arg1)); 2373 break; 2374 case TARGET_NR_sysinfo: 2375 { 2376 struct target_sysinfo *target_value = (void *)arg1; 2377 struct sysinfo value; 2378 ret = get_errno(sysinfo(&value)); 2379 if (!is_error(ret) && target_value) 2380 { 2381 __put_user(value.uptime, &target_value->uptime); 2382 __put_user(value.loads[0], &target_value->loads[0]); 2383 __put_user(value.loads[1], &target_value->loads[1]); 2384 __put_user(value.loads[2], &target_value->loads[2]); 2385 __put_user(value.totalram, &target_value->totalram); 2386 __put_user(value.freeram, &target_value->freeram); 2387 __put_user(value.sharedram, &target_value->sharedram); 2388 __put_user(value.bufferram, &target_value->bufferram); 2389 __put_user(value.totalswap, &target_value->totalswap); 2390 __put_user(value.freeswap, &target_value->freeswap); 2391 __put_user(value.procs, &target_value->procs); 2392 __put_user(value.totalhigh, &target_value->totalhigh); 2393 __put_user(value.freehigh, &target_value->freehigh); 2394 __put_user(value.mem_unit, &target_value->mem_unit); 2395 } 2396 } 2397 break; 2398 case TARGET_NR_ipc: 2399 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 2400 break; 2401 case TARGET_NR_fsync: 2402 ret = get_errno(fsync(arg1)); 2403 break; 2404 case TARGET_NR_clone: 2405 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 2406 break; 2407 #ifdef __NR_exit_group 2408 /* new thread calls */ 2409 case TARGET_NR_exit_group: 2410 ret = get_errno(exit_group(arg1)); 2411 break; 2412 #endif 2413 case TARGET_NR_setdomainname: 2414 ret = get_errno(setdomainname((const char *)arg1, arg2)); 2415 break; 2416 case TARGET_NR_uname: 2417 /* no need to transcode because we use the linux syscall */ 2418 { 2419 struct new_utsname * buf; 2420 2421 buf = (struct new_utsname *)arg1; 2422 ret = get_errno(sys_uname(buf)); 2423 if (!is_error(ret)) { 2424 /* Overrite the native machine name with whatever is being 2425 emulated. */ 2426 strcpy (buf->machine, UNAME_MACHINE); 2427 } 2428 } 2429 break; 2430 #ifdef TARGET_I386 2431 case TARGET_NR_modify_ldt: 2432 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3)); 2433 break; 2434 case TARGET_NR_vm86old: 2435 goto unimplemented; 2436 case TARGET_NR_vm86: 2437 ret = do_vm86(cpu_env, arg1, (void *)arg2); 2438 break; 2439 #endif 2440 case TARGET_NR_adjtimex: 2441 goto unimplemented; 2442 case TARGET_NR_create_module: 2443 case TARGET_NR_init_module: 2444 case TARGET_NR_delete_module: 2445 case TARGET_NR_get_kernel_syms: 2446 goto unimplemented; 2447 case TARGET_NR_quotactl: 2448 goto unimplemented; 2449 case TARGET_NR_getpgid: 2450 ret = get_errno(getpgid(arg1)); 2451 break; 2452 case TARGET_NR_fchdir: 2453 ret = get_errno(fchdir(arg1)); 2454 break; 2455 case TARGET_NR_bdflush: 2456 goto unimplemented; 2457 case TARGET_NR_sysfs: 2458 goto unimplemented; 2459 case TARGET_NR_personality: 2460 ret = get_errno(personality(arg1)); 2461 break; 2462 case TARGET_NR_afs_syscall: 2463 goto unimplemented; 2464 case TARGET_NR__llseek: 2465 { 2466 #if defined (__x86_64__) 2467 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 2468 *(int64_t *)arg4 = ret; 2469 #else 2470 int64_t res; 2471 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 2472 *(int64_t *)arg4 = tswap64(res); 2473 #endif 2474 } 2475 break; 2476 case TARGET_NR_getdents: 2477 #if TARGET_LONG_SIZE != 4 2478 #warning not supported 2479 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8 2480 { 2481 struct target_dirent *target_dirp = (void *)arg2; 2482 struct dirent *dirp; 2483 long count = arg3; 2484 2485 dirp = malloc(count); 2486 if (!dirp) 2487 return -ENOMEM; 2488 2489 ret = get_errno(sys_getdents(arg1, dirp, count)); 2490 if (!is_error(ret)) { 2491 struct dirent *de; 2492 struct target_dirent *tde; 2493 int len = ret; 2494 int reclen, treclen; 2495 int count1, tnamelen; 2496 2497 count1 = 0; 2498 de = dirp; 2499 tde = target_dirp; 2500 while (len > 0) { 2501 reclen = de->d_reclen; 2502 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long))); 2503 tde->d_reclen = tswap16(treclen); 2504 tde->d_ino = tswapl(de->d_ino); 2505 tde->d_off = tswapl(de->d_off); 2506 tnamelen = treclen - (2 * sizeof(target_long) + 2); 2507 if (tnamelen > 256) 2508 tnamelen = 256; 2509 /* XXX: may not be correct */ 2510 strncpy(tde->d_name, de->d_name, tnamelen); 2511 de = (struct dirent *)((char *)de + reclen); 2512 len -= reclen; 2513 tde = (struct dirent *)((char *)tde + treclen); 2514 count1 += treclen; 2515 } 2516 ret = count1; 2517 } 2518 free(dirp); 2519 } 2520 #else 2521 { 2522 struct dirent *dirp = (void *)arg2; 2523 long count = arg3; 2524 2525 ret = get_errno(sys_getdents(arg1, dirp, count)); 2526 if (!is_error(ret)) { 2527 struct dirent *de; 2528 int len = ret; 2529 int reclen; 2530 de = dirp; 2531 while (len > 0) { 2532 reclen = de->d_reclen; 2533 if (reclen > len) 2534 break; 2535 de->d_reclen = tswap16(reclen); 2536 tswapls(&de->d_ino); 2537 tswapls(&de->d_off); 2538 de = (struct dirent *)((char *)de + reclen); 2539 len -= reclen; 2540 } 2541 } 2542 } 2543 #endif 2544 break; 2545 #ifdef TARGET_NR_getdents64 2546 case TARGET_NR_getdents64: 2547 { 2548 struct dirent64 *dirp = (void *)arg2; 2549 long count = arg3; 2550 ret = get_errno(sys_getdents64(arg1, dirp, count)); 2551 if (!is_error(ret)) { 2552 struct dirent64 *de; 2553 int len = ret; 2554 int reclen; 2555 de = dirp; 2556 while (len > 0) { 2557 reclen = de->d_reclen; 2558 if (reclen > len) 2559 break; 2560 de->d_reclen = tswap16(reclen); 2561 tswap64s(&de->d_ino); 2562 tswap64s(&de->d_off); 2563 de = (struct dirent64 *)((char *)de + reclen); 2564 len -= reclen; 2565 } 2566 } 2567 } 2568 break; 2569 #endif /* TARGET_NR_getdents64 */ 2570 case TARGET_NR__newselect: 2571 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 2572 (void *)arg5); 2573 break; 2574 case TARGET_NR_poll: 2575 { 2576 struct target_pollfd *target_pfd = (void *)arg1; 2577 unsigned int nfds = arg2; 2578 int timeout = arg3; 2579 struct pollfd *pfd; 2580 unsigned int i; 2581 2582 pfd = alloca(sizeof(struct pollfd) * nfds); 2583 for(i = 0; i < nfds; i++) { 2584 pfd[i].fd = tswap32(target_pfd[i].fd); 2585 pfd[i].events = tswap16(target_pfd[i].events); 2586 } 2587 ret = get_errno(poll(pfd, nfds, timeout)); 2588 if (!is_error(ret)) { 2589 for(i = 0; i < nfds; i++) { 2590 target_pfd[i].revents = tswap16(pfd[i].revents); 2591 } 2592 } 2593 } 2594 break; 2595 case TARGET_NR_flock: 2596 /* NOTE: the flock constant seems to be the same for every 2597 Linux platform */ 2598 ret = get_errno(flock(arg1, arg2)); 2599 break; 2600 case TARGET_NR_readv: 2601 { 2602 int count = arg3; 2603 int i; 2604 struct iovec *vec; 2605 struct target_iovec *target_vec = (void *)arg2; 2606 2607 vec = alloca(count * sizeof(struct iovec)); 2608 for(i = 0;i < count; i++) { 2609 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 2610 vec[i].iov_len = tswapl(target_vec[i].iov_len); 2611 } 2612 ret = get_errno(readv(arg1, vec, count)); 2613 } 2614 break; 2615 case TARGET_NR_writev: 2616 { 2617 int count = arg3; 2618 int i; 2619 struct iovec *vec; 2620 struct target_iovec *target_vec = (void *)arg2; 2621 2622 vec = alloca(count * sizeof(struct iovec)); 2623 for(i = 0;i < count; i++) { 2624 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 2625 vec[i].iov_len = tswapl(target_vec[i].iov_len); 2626 } 2627 ret = get_errno(writev(arg1, vec, count)); 2628 } 2629 break; 2630 case TARGET_NR_getsid: 2631 ret = get_errno(getsid(arg1)); 2632 break; 2633 case TARGET_NR_fdatasync: 2634 ret = get_errno(fdatasync(arg1)); 2635 break; 2636 case TARGET_NR__sysctl: 2637 /* We don't implement this, but ENODIR is always a safe 2638 return value. */ 2639 return -ENOTDIR; 2640 case TARGET_NR_sched_setparam: 2641 { 2642 struct sched_param *target_schp = (void *)arg2; 2643 struct sched_param schp; 2644 schp.sched_priority = tswap32(target_schp->sched_priority); 2645 ret = get_errno(sched_setparam(arg1, &schp)); 2646 } 2647 break; 2648 case TARGET_NR_sched_getparam: 2649 { 2650 struct sched_param *target_schp = (void *)arg2; 2651 struct sched_param schp; 2652 ret = get_errno(sched_getparam(arg1, &schp)); 2653 if (!is_error(ret)) { 2654 target_schp->sched_priority = tswap32(schp.sched_priority); 2655 } 2656 } 2657 break; 2658 case TARGET_NR_sched_setscheduler: 2659 { 2660 struct sched_param *target_schp = (void *)arg3; 2661 struct sched_param schp; 2662 schp.sched_priority = tswap32(target_schp->sched_priority); 2663 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 2664 } 2665 break; 2666 case TARGET_NR_sched_getscheduler: 2667 ret = get_errno(sched_getscheduler(arg1)); 2668 break; 2669 case TARGET_NR_sched_yield: 2670 ret = get_errno(sched_yield()); 2671 break; 2672 case TARGET_NR_sched_get_priority_max: 2673 ret = get_errno(sched_get_priority_max(arg1)); 2674 break; 2675 case TARGET_NR_sched_get_priority_min: 2676 ret = get_errno(sched_get_priority_min(arg1)); 2677 break; 2678 case TARGET_NR_sched_rr_get_interval: 2679 { 2680 struct target_timespec *target_ts = (void *)arg2; 2681 struct timespec ts; 2682 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 2683 if (!is_error(ret)) { 2684 target_ts->tv_sec = tswapl(ts.tv_sec); 2685 target_ts->tv_nsec = tswapl(ts.tv_nsec); 2686 } 2687 } 2688 break; 2689 case TARGET_NR_nanosleep: 2690 { 2691 struct target_timespec *target_req = (void *)arg1; 2692 struct target_timespec *target_rem = (void *)arg2; 2693 struct timespec req, rem; 2694 req.tv_sec = tswapl(target_req->tv_sec); 2695 req.tv_nsec = tswapl(target_req->tv_nsec); 2696 ret = get_errno(nanosleep(&req, &rem)); 2697 if (is_error(ret) && target_rem) { 2698 target_rem->tv_sec = tswapl(rem.tv_sec); 2699 target_rem->tv_nsec = tswapl(rem.tv_nsec); 2700 } 2701 } 2702 break; 2703 case TARGET_NR_query_module: 2704 goto unimplemented; 2705 case TARGET_NR_nfsservctl: 2706 goto unimplemented; 2707 case TARGET_NR_prctl: 2708 goto unimplemented; 2709 #ifdef TARGET_NR_pread 2710 case TARGET_NR_pread: 2711 page_unprotect_range((void *)arg2, arg3); 2712 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4)); 2713 break; 2714 case TARGET_NR_pwrite: 2715 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4)); 2716 break; 2717 #endif 2718 case TARGET_NR_getcwd: 2719 ret = get_errno(sys_getcwd1((char *)arg1, arg2)); 2720 break; 2721 case TARGET_NR_capget: 2722 goto unimplemented; 2723 case TARGET_NR_capset: 2724 goto unimplemented; 2725 case TARGET_NR_sigaltstack: 2726 goto unimplemented; 2727 case TARGET_NR_sendfile: 2728 goto unimplemented; 2729 #ifdef TARGET_NR_getpmsg 2730 case TARGET_NR_getpmsg: 2731 goto unimplemented; 2732 #endif 2733 #ifdef TARGET_NR_putpmsg 2734 case TARGET_NR_putpmsg: 2735 goto unimplemented; 2736 #endif 2737 case TARGET_NR_vfork: 2738 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 2739 break; 2740 #ifdef TARGET_NR_ugetrlimit 2741 case TARGET_NR_ugetrlimit: 2742 { 2743 struct rlimit rlim; 2744 ret = get_errno(getrlimit(arg1, &rlim)); 2745 if (!is_error(ret)) { 2746 struct target_rlimit *target_rlim = (void *)arg2; 2747 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 2748 target_rlim->rlim_max = tswapl(rlim.rlim_max); 2749 } 2750 break; 2751 } 2752 #endif 2753 #ifdef TARGET_NR_truncate64 2754 case TARGET_NR_truncate64: 2755 goto unimplemented; 2756 #endif 2757 #ifdef TARGET_NR_ftruncate64 2758 case TARGET_NR_ftruncate64: 2759 goto unimplemented; 2760 #endif 2761 #ifdef TARGET_NR_stat64 2762 case TARGET_NR_stat64: 2763 ret = get_errno(stat(path((const char *)arg1), &st)); 2764 goto do_stat64; 2765 #endif 2766 #ifdef TARGET_NR_lstat64 2767 case TARGET_NR_lstat64: 2768 ret = get_errno(lstat(path((const char *)arg1), &st)); 2769 goto do_stat64; 2770 #endif 2771 #ifdef TARGET_NR_fstat64 2772 case TARGET_NR_fstat64: 2773 { 2774 ret = get_errno(fstat(arg1, &st)); 2775 do_stat64: 2776 if (!is_error(ret)) { 2777 struct target_stat64 *target_st = (void *)arg2; 2778 memset(target_st, 0, sizeof(struct target_stat64)); 2779 put_user(st.st_dev, &target_st->st_dev); 2780 put_user(st.st_ino, &target_st->st_ino); 2781 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 2782 put_user(st.st_ino, &target_st->__st_ino); 2783 #endif 2784 put_user(st.st_mode, &target_st->st_mode); 2785 put_user(st.st_nlink, &target_st->st_nlink); 2786 put_user(st.st_uid, &target_st->st_uid); 2787 put_user(st.st_gid, &target_st->st_gid); 2788 put_user(st.st_rdev, &target_st->st_rdev); 2789 /* XXX: better use of kernel struct */ 2790 put_user(st.st_size, &target_st->st_size); 2791 put_user(st.st_blksize, &target_st->st_blksize); 2792 put_user(st.st_blocks, &target_st->st_blocks); 2793 put_user(st.st_atime, &target_st->target_st_atime); 2794 put_user(st.st_mtime, &target_st->target_st_mtime); 2795 put_user(st.st_ctime, &target_st->target_st_ctime); 2796 } 2797 } 2798 break; 2799 #endif 2800 #ifdef USE_UID16 2801 case TARGET_NR_lchown: 2802 ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); 2803 break; 2804 case TARGET_NR_getuid: 2805 ret = get_errno(high2lowuid(getuid())); 2806 break; 2807 case TARGET_NR_getgid: 2808 ret = get_errno(high2lowgid(getgid())); 2809 break; 2810 case TARGET_NR_geteuid: 2811 ret = get_errno(high2lowuid(geteuid())); 2812 break; 2813 case TARGET_NR_getegid: 2814 ret = get_errno(high2lowgid(getegid())); 2815 break; 2816 case TARGET_NR_setreuid: 2817 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 2818 break; 2819 case TARGET_NR_setregid: 2820 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 2821 break; 2822 case TARGET_NR_getgroups: 2823 { 2824 int gidsetsize = arg1; 2825 uint16_t *target_grouplist = (void *)arg2; 2826 gid_t *grouplist; 2827 int i; 2828 2829 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2830 ret = get_errno(getgroups(gidsetsize, grouplist)); 2831 if (!is_error(ret)) { 2832 for(i = 0;i < gidsetsize; i++) 2833 target_grouplist[i] = tswap16(grouplist[i]); 2834 } 2835 } 2836 break; 2837 case TARGET_NR_setgroups: 2838 { 2839 int gidsetsize = arg1; 2840 uint16_t *target_grouplist = (void *)arg2; 2841 gid_t *grouplist; 2842 int i; 2843 2844 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2845 for(i = 0;i < gidsetsize; i++) 2846 grouplist[i] = tswap16(target_grouplist[i]); 2847 ret = get_errno(setgroups(gidsetsize, grouplist)); 2848 } 2849 break; 2850 case TARGET_NR_fchown: 2851 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 2852 break; 2853 #ifdef TARGET_NR_setresuid 2854 case TARGET_NR_setresuid: 2855 ret = get_errno(setresuid(low2highuid(arg1), 2856 low2highuid(arg2), 2857 low2highuid(arg3))); 2858 break; 2859 #endif 2860 #ifdef TARGET_NR_getresuid 2861 case TARGET_NR_getresuid: 2862 { 2863 int ruid, euid, suid; 2864 ret = get_errno(getresuid(&ruid, &euid, &suid)); 2865 if (!is_error(ret)) { 2866 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid)); 2867 *(uint16_t *)arg2 = tswap16(high2lowuid(euid)); 2868 *(uint16_t *)arg3 = tswap16(high2lowuid(suid)); 2869 } 2870 } 2871 break; 2872 #endif 2873 #ifdef TARGET_NR_getresgid 2874 case TARGET_NR_setresgid: 2875 ret = get_errno(setresgid(low2highgid(arg1), 2876 low2highgid(arg2), 2877 low2highgid(arg3))); 2878 break; 2879 #endif 2880 #ifdef TARGET_NR_getresgid 2881 case TARGET_NR_getresgid: 2882 { 2883 int rgid, egid, sgid; 2884 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 2885 if (!is_error(ret)) { 2886 *(uint16_t *)arg1 = tswap16(high2lowgid(rgid)); 2887 *(uint16_t *)arg2 = tswap16(high2lowgid(egid)); 2888 *(uint16_t *)arg3 = tswap16(high2lowgid(sgid)); 2889 } 2890 } 2891 break; 2892 #endif 2893 case TARGET_NR_chown: 2894 ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); 2895 break; 2896 case TARGET_NR_setuid: 2897 ret = get_errno(setuid(low2highuid(arg1))); 2898 break; 2899 case TARGET_NR_setgid: 2900 ret = get_errno(setgid(low2highgid(arg1))); 2901 break; 2902 case TARGET_NR_setfsuid: 2903 ret = get_errno(setfsuid(arg1)); 2904 break; 2905 case TARGET_NR_setfsgid: 2906 ret = get_errno(setfsgid(arg1)); 2907 break; 2908 #endif /* USE_UID16 */ 2909 2910 #ifdef TARGET_NR_lchown32 2911 case TARGET_NR_lchown32: 2912 ret = get_errno(lchown((const char *)arg1, arg2, arg3)); 2913 break; 2914 #endif 2915 #ifdef TARGET_NR_getuid32 2916 case TARGET_NR_getuid32: 2917 ret = get_errno(getuid()); 2918 break; 2919 #endif 2920 #ifdef TARGET_NR_getgid32 2921 case TARGET_NR_getgid32: 2922 ret = get_errno(getgid()); 2923 break; 2924 #endif 2925 #ifdef TARGET_NR_geteuid32 2926 case TARGET_NR_geteuid32: 2927 ret = get_errno(geteuid()); 2928 break; 2929 #endif 2930 #ifdef TARGET_NR_getegid32 2931 case TARGET_NR_getegid32: 2932 ret = get_errno(getegid()); 2933 break; 2934 #endif 2935 #ifdef TARGET_NR_setreuid32 2936 case TARGET_NR_setreuid32: 2937 ret = get_errno(setreuid(arg1, arg2)); 2938 break; 2939 #endif 2940 #ifdef TARGET_NR_setregid32 2941 case TARGET_NR_setregid32: 2942 ret = get_errno(setregid(arg1, arg2)); 2943 break; 2944 #endif 2945 #ifdef TARGET_NR_getgroups32 2946 case TARGET_NR_getgroups32: 2947 { 2948 int gidsetsize = arg1; 2949 uint32_t *target_grouplist = (void *)arg2; 2950 gid_t *grouplist; 2951 int i; 2952 2953 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2954 ret = get_errno(getgroups(gidsetsize, grouplist)); 2955 if (!is_error(ret)) { 2956 for(i = 0;i < gidsetsize; i++) 2957 put_user(grouplist[i], &target_grouplist[i]); 2958 } 2959 } 2960 break; 2961 #endif 2962 #ifdef TARGET_NR_setgroups32 2963 case TARGET_NR_setgroups32: 2964 { 2965 int gidsetsize = arg1; 2966 uint32_t *target_grouplist = (void *)arg2; 2967 gid_t *grouplist; 2968 int i; 2969 2970 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2971 for(i = 0;i < gidsetsize; i++) 2972 get_user(grouplist[i], &target_grouplist[i]); 2973 ret = get_errno(setgroups(gidsetsize, grouplist)); 2974 } 2975 break; 2976 #endif 2977 #ifdef TARGET_NR_fchown32 2978 case TARGET_NR_fchown32: 2979 ret = get_errno(fchown(arg1, arg2, arg3)); 2980 break; 2981 #endif 2982 #ifdef TARGET_NR_setresuid32 2983 case TARGET_NR_setresuid32: 2984 ret = get_errno(setresuid(arg1, arg2, arg3)); 2985 break; 2986 #endif 2987 #ifdef TARGET_NR_getresuid32 2988 case TARGET_NR_getresuid32: 2989 { 2990 int ruid, euid, suid; 2991 ret = get_errno(getresuid(&ruid, &euid, &suid)); 2992 if (!is_error(ret)) { 2993 *(uint32_t *)arg1 = tswap32(ruid); 2994 *(uint32_t *)arg2 = tswap32(euid); 2995 *(uint32_t *)arg3 = tswap32(suid); 2996 } 2997 } 2998 break; 2999 #endif 3000 #ifdef TARGET_NR_setresgid32 3001 case TARGET_NR_setresgid32: 3002 ret = get_errno(setresgid(arg1, arg2, arg3)); 3003 break; 3004 #endif 3005 #ifdef TARGET_NR_getresgid32 3006 case TARGET_NR_getresgid32: 3007 { 3008 int rgid, egid, sgid; 3009 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 3010 if (!is_error(ret)) { 3011 *(uint32_t *)arg1 = tswap32(rgid); 3012 *(uint32_t *)arg2 = tswap32(egid); 3013 *(uint32_t *)arg3 = tswap32(sgid); 3014 } 3015 } 3016 break; 3017 #endif 3018 #ifdef TARGET_NR_chown32 3019 case TARGET_NR_chown32: 3020 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 3021 break; 3022 #endif 3023 #ifdef TARGET_NR_setuid32 3024 case TARGET_NR_setuid32: 3025 ret = get_errno(setuid(arg1)); 3026 break; 3027 #endif 3028 #ifdef TARGET_NR_setgid32 3029 case TARGET_NR_setgid32: 3030 ret = get_errno(setgid(arg1)); 3031 break; 3032 #endif 3033 #ifdef TARGET_NR_setfsuid32 3034 case TARGET_NR_setfsuid32: 3035 ret = get_errno(setfsuid(arg1)); 3036 break; 3037 #endif 3038 #ifdef TARGET_NR_setfsgid32 3039 case TARGET_NR_setfsgid32: 3040 ret = get_errno(setfsgid(arg1)); 3041 break; 3042 #endif 3043 3044 case TARGET_NR_pivot_root: 3045 goto unimplemented; 3046 #ifdef TARGET_NR_mincore 3047 case TARGET_NR_mincore: 3048 goto unimplemented; 3049 #endif 3050 #ifdef TARGET_NR_madvise 3051 case TARGET_NR_madvise: 3052 goto unimplemented; 3053 #endif 3054 #if TARGET_LONG_BITS == 32 3055 case TARGET_NR_fcntl64: 3056 { 3057 struct flock64 fl; 3058 struct target_flock64 *target_fl = (void *)arg3; 3059 3060 switch(arg2) { 3061 case F_GETLK64: 3062 ret = get_errno(fcntl(arg1, arg2, &fl)); 3063 if (ret == 0) { 3064 target_fl->l_type = tswap16(fl.l_type); 3065 target_fl->l_whence = tswap16(fl.l_whence); 3066 target_fl->l_start = tswap64(fl.l_start); 3067 target_fl->l_len = tswap64(fl.l_len); 3068 target_fl->l_pid = tswapl(fl.l_pid); 3069 } 3070 break; 3071 3072 case F_SETLK64: 3073 case F_SETLKW64: 3074 fl.l_type = tswap16(target_fl->l_type); 3075 fl.l_whence = tswap16(target_fl->l_whence); 3076 fl.l_start = tswap64(target_fl->l_start); 3077 fl.l_len = tswap64(target_fl->l_len); 3078 fl.l_pid = tswapl(target_fl->l_pid); 3079 ret = get_errno(fcntl(arg1, arg2, &fl)); 3080 break; 3081 default: 3082 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 3083 break; 3084 } 3085 break; 3086 } 3087 #endif 3088 #ifdef TARGET_NR_security 3089 case TARGET_NR_security: 3090 goto unimplemented; 3091 #endif 3092 #ifdef TARGET_NR_getpagesize 3093 case TARGET_NR_getpagesize: 3094 ret = TARGET_PAGE_SIZE; 3095 break; 3096 #endif 3097 case TARGET_NR_gettid: 3098 ret = get_errno(gettid()); 3099 break; 3100 case TARGET_NR_readahead: 3101 goto unimplemented; 3102 #ifdef TARGET_NR_setxattr 3103 case TARGET_NR_setxattr: 3104 case TARGET_NR_lsetxattr: 3105 case TARGET_NR_fsetxattr: 3106 case TARGET_NR_getxattr: 3107 case TARGET_NR_lgetxattr: 3108 case TARGET_NR_fgetxattr: 3109 case TARGET_NR_listxattr: 3110 case TARGET_NR_llistxattr: 3111 case TARGET_NR_flistxattr: 3112 case TARGET_NR_removexattr: 3113 case TARGET_NR_lremovexattr: 3114 case TARGET_NR_fremovexattr: 3115 goto unimplemented_nowarn; 3116 #endif 3117 #ifdef TARGET_NR_set_thread_area 3118 case TARGET_NR_set_thread_area: 3119 case TARGET_NR_get_thread_area: 3120 goto unimplemented_nowarn; 3121 #endif 3122 default: 3123 unimplemented: 3124 gemu_log("qemu: Unsupported syscall: %d\n", num); 3125 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) 3126 unimplemented_nowarn: 3127 #endif 3128 ret = -ENOSYS; 3129 break; 3130 } 3131 fail: 3132 #ifdef DEBUG 3133 gemu_log(" = %ld\n", ret); 3134 #endif 3135 return ret; 3136 } 3137 3138