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 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 #ifdef SO_BSDCOMPAT 581 case SO_BSDCOMPAT: 582 #endif 583 case SO_PASSCRED: 584 case SO_TIMESTAMP: 585 case SO_RCVLOWAT: 586 case SO_RCVTIMEO: 587 case SO_SNDTIMEO: 588 if (optlen < sizeof(uint32_t)) 589 return -EINVAL; 590 if (get_user(val, (uint32_t *)optval)) 591 return -EFAULT; 592 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 593 break; 594 default: 595 goto unimplemented; 596 } 597 break; 598 default: 599 unimplemented: 600 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); 601 ret = -ENOSYS; 602 } 603 return ret; 604 } 605 606 static long do_getsockopt(int sockfd, int level, int optname, 607 void *optval, socklen_t *optlen) 608 { 609 int len, lv, val, ret; 610 611 switch(level) { 612 case SOL_SOCKET: 613 switch (optname) { 614 case SO_LINGER: 615 case SO_RCVTIMEO: 616 case SO_SNDTIMEO: 617 case SO_PEERCRED: 618 case SO_PEERNAME: 619 /* These don't just return a single integer */ 620 goto unimplemented; 621 default: 622 if (get_user(len, optlen)) 623 return -EFAULT; 624 if (len < 0) 625 return -EINVAL; 626 lv = sizeof(int); 627 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 628 if (ret < 0) 629 return ret; 630 val = tswap32(val); 631 if (len > lv) 632 len = lv; 633 if (copy_to_user(optval, &val, len)) 634 return -EFAULT; 635 if (put_user(len, optlen)) 636 return -EFAULT; 637 break; 638 } 639 break; 640 default: 641 unimplemented: 642 gemu_log("getsockopt level=%d optname=%d not yet supported\n", 643 level, optname); 644 ret = -ENOSYS; 645 break; 646 } 647 return ret; 648 } 649 650 static long do_socketcall(int num, int32_t *vptr) 651 { 652 long ret; 653 654 switch(num) { 655 case SOCKOP_socket: 656 { 657 int domain = tswap32(vptr[0]); 658 int type = tswap32(vptr[1]); 659 int protocol = tswap32(vptr[2]); 660 661 ret = get_errno(socket(domain, type, protocol)); 662 } 663 break; 664 case SOCKOP_bind: 665 { 666 int sockfd = tswap32(vptr[0]); 667 void *target_addr = (void *)tswap32(vptr[1]); 668 socklen_t addrlen = tswap32(vptr[2]); 669 void *addr = alloca(addrlen); 670 671 target_to_host_sockaddr(addr, target_addr, addrlen); 672 ret = get_errno(bind(sockfd, addr, addrlen)); 673 } 674 break; 675 case SOCKOP_connect: 676 { 677 int sockfd = tswap32(vptr[0]); 678 void *target_addr = (void *)tswap32(vptr[1]); 679 socklen_t addrlen = tswap32(vptr[2]); 680 void *addr = alloca(addrlen); 681 682 target_to_host_sockaddr(addr, target_addr, addrlen); 683 ret = get_errno(connect(sockfd, addr, addrlen)); 684 } 685 break; 686 case SOCKOP_listen: 687 { 688 int sockfd = tswap32(vptr[0]); 689 int backlog = tswap32(vptr[1]); 690 691 ret = get_errno(listen(sockfd, backlog)); 692 } 693 break; 694 case SOCKOP_accept: 695 { 696 int sockfd = tswap32(vptr[0]); 697 void *target_addr = (void *)tswap32(vptr[1]); 698 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 699 socklen_t addrlen = tswap32(*target_addrlen); 700 void *addr = alloca(addrlen); 701 702 ret = get_errno(accept(sockfd, addr, &addrlen)); 703 if (!is_error(ret)) { 704 host_to_target_sockaddr(target_addr, addr, addrlen); 705 *target_addrlen = tswap32(addrlen); 706 } 707 } 708 break; 709 case SOCKOP_getsockname: 710 { 711 int sockfd = tswap32(vptr[0]); 712 void *target_addr = (void *)tswap32(vptr[1]); 713 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 714 socklen_t addrlen = tswap32(*target_addrlen); 715 void *addr = alloca(addrlen); 716 717 ret = get_errno(getsockname(sockfd, addr, &addrlen)); 718 if (!is_error(ret)) { 719 host_to_target_sockaddr(target_addr, addr, addrlen); 720 *target_addrlen = tswap32(addrlen); 721 } 722 } 723 break; 724 case SOCKOP_getpeername: 725 { 726 int sockfd = tswap32(vptr[0]); 727 void *target_addr = (void *)tswap32(vptr[1]); 728 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 729 socklen_t addrlen = tswap32(*target_addrlen); 730 void *addr = alloca(addrlen); 731 732 ret = get_errno(getpeername(sockfd, addr, &addrlen)); 733 if (!is_error(ret)) { 734 host_to_target_sockaddr(target_addr, addr, addrlen); 735 *target_addrlen = tswap32(addrlen); 736 } 737 } 738 break; 739 case SOCKOP_socketpair: 740 { 741 int domain = tswap32(vptr[0]); 742 int type = tswap32(vptr[1]); 743 int protocol = tswap32(vptr[2]); 744 int32_t *target_tab = (void *)tswap32(vptr[3]); 745 int tab[2]; 746 747 ret = get_errno(socketpair(domain, type, protocol, tab)); 748 if (!is_error(ret)) { 749 target_tab[0] = tswap32(tab[0]); 750 target_tab[1] = tswap32(tab[1]); 751 } 752 } 753 break; 754 case SOCKOP_send: 755 { 756 int sockfd = tswap32(vptr[0]); 757 void *msg = (void *)tswap32(vptr[1]); 758 size_t len = tswap32(vptr[2]); 759 int flags = tswap32(vptr[3]); 760 761 ret = get_errno(send(sockfd, msg, len, flags)); 762 } 763 break; 764 case SOCKOP_recv: 765 { 766 int sockfd = tswap32(vptr[0]); 767 void *msg = (void *)tswap32(vptr[1]); 768 size_t len = tswap32(vptr[2]); 769 int flags = tswap32(vptr[3]); 770 771 ret = get_errno(recv(sockfd, msg, len, flags)); 772 } 773 break; 774 case SOCKOP_sendto: 775 { 776 int sockfd = tswap32(vptr[0]); 777 void *msg = (void *)tswap32(vptr[1]); 778 size_t len = tswap32(vptr[2]); 779 int flags = tswap32(vptr[3]); 780 void *target_addr = (void *)tswap32(vptr[4]); 781 socklen_t addrlen = tswap32(vptr[5]); 782 void *addr = alloca(addrlen); 783 784 target_to_host_sockaddr(addr, target_addr, addrlen); 785 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen)); 786 } 787 break; 788 case SOCKOP_recvfrom: 789 { 790 int sockfd = tswap32(vptr[0]); 791 void *msg = (void *)tswap32(vptr[1]); 792 size_t len = tswap32(vptr[2]); 793 int flags = tswap32(vptr[3]); 794 void *target_addr = (void *)tswap32(vptr[4]); 795 uint32_t *target_addrlen = (void *)tswap32(vptr[5]); 796 socklen_t addrlen = tswap32(*target_addrlen); 797 void *addr = alloca(addrlen); 798 799 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen)); 800 if (!is_error(ret)) { 801 host_to_target_sockaddr(target_addr, addr, addrlen); 802 *target_addrlen = tswap32(addrlen); 803 } 804 } 805 break; 806 case SOCKOP_shutdown: 807 { 808 int sockfd = tswap32(vptr[0]); 809 int how = tswap32(vptr[1]); 810 811 ret = get_errno(shutdown(sockfd, how)); 812 } 813 break; 814 case SOCKOP_sendmsg: 815 case SOCKOP_recvmsg: 816 { 817 int fd; 818 struct target_msghdr *msgp; 819 struct msghdr msg; 820 int flags, count, i; 821 struct iovec *vec; 822 struct target_iovec *target_vec; 823 824 msgp = (void *)tswap32(vptr[1]); 825 msg.msg_name = (void *)tswapl(msgp->msg_name); 826 msg.msg_namelen = tswapl(msgp->msg_namelen); 827 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); 828 msg.msg_control = alloca(msg.msg_controllen); 829 msg.msg_flags = tswap32(msgp->msg_flags); 830 831 count = tswapl(msgp->msg_iovlen); 832 vec = alloca(count * sizeof(struct iovec)); 833 target_vec = (void *)tswapl(msgp->msg_iov); 834 for(i = 0;i < count; i++) { 835 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 836 vec[i].iov_len = tswapl(target_vec[i].iov_len); 837 } 838 msg.msg_iovlen = count; 839 msg.msg_iov = vec; 840 841 fd = tswap32(vptr[0]); 842 flags = tswap32(vptr[2]); 843 if (num == SOCKOP_sendmsg) { 844 target_to_host_cmsg(&msg, msgp); 845 ret = get_errno(sendmsg(fd, &msg, flags)); 846 } else { 847 ret = get_errno(recvmsg(fd, &msg, flags)); 848 if (!is_error(ret)) 849 host_to_target_cmsg(msgp, &msg); 850 } 851 } 852 break; 853 case SOCKOP_setsockopt: 854 { 855 int sockfd = tswap32(vptr[0]); 856 int level = tswap32(vptr[1]); 857 int optname = tswap32(vptr[2]); 858 void *optval = (void *)tswap32(vptr[3]); 859 socklen_t optlen = tswap32(vptr[4]); 860 861 ret = do_setsockopt(sockfd, level, optname, optval, optlen); 862 } 863 break; 864 case SOCKOP_getsockopt: 865 { 866 int sockfd = tswap32(vptr[0]); 867 int level = tswap32(vptr[1]); 868 int optname = tswap32(vptr[2]); 869 void *optval = (void *)tswap32(vptr[3]); 870 uint32_t *poptlen = (void *)tswap32(vptr[4]); 871 872 ret = do_getsockopt(sockfd, level, optname, optval, poptlen); 873 } 874 break; 875 default: 876 gemu_log("Unsupported socketcall: %d\n", num); 877 ret = -ENOSYS; 878 break; 879 } 880 return ret; 881 } 882 883 884 #define N_SHM_REGIONS 32 885 886 static struct shm_region { 887 uint32_t start; 888 uint32_t size; 889 } shm_regions[N_SHM_REGIONS]; 890 891 static long do_ipc(long call, long first, long second, long third, 892 long ptr, long fifth) 893 { 894 int version; 895 long ret = 0; 896 unsigned long raddr; 897 struct shmid_ds shm_info; 898 int i; 899 900 version = call >> 16; 901 call &= 0xffff; 902 903 switch (call) { 904 case IPCOP_shmat: 905 /* SHM_* flags are the same on all linux platforms */ 906 ret = get_errno((long) shmat(first, (void *) ptr, second)); 907 if (is_error(ret)) 908 break; 909 raddr = ret; 910 /* find out the length of the shared memory segment */ 911 912 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 913 if (is_error(ret)) { 914 /* can't get length, bail out */ 915 shmdt((void *) raddr); 916 break; 917 } 918 page_set_flags(raddr, raddr + shm_info.shm_segsz, 919 PAGE_VALID | PAGE_READ | 920 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 921 for (i = 0; i < N_SHM_REGIONS; ++i) { 922 if (shm_regions[i].start == 0) { 923 shm_regions[i].start = raddr; 924 shm_regions[i].size = shm_info.shm_segsz; 925 break; 926 } 927 } 928 if (put_user(raddr, (uint32_t *)third)) 929 return -EFAULT; 930 ret = 0; 931 break; 932 case IPCOP_shmdt: 933 for (i = 0; i < N_SHM_REGIONS; ++i) { 934 if (shm_regions[i].start == ptr) { 935 shm_regions[i].start = 0; 936 page_set_flags(ptr, shm_regions[i].size, 0); 937 break; 938 } 939 } 940 ret = get_errno(shmdt((void *) ptr)); 941 break; 942 943 case IPCOP_shmget: 944 /* IPC_* flag values are the same on all linux platforms */ 945 ret = get_errno(shmget(first, second, third)); 946 break; 947 948 /* IPC_* and SHM_* command values are the same on all linux platforms */ 949 case IPCOP_shmctl: 950 switch(second) { 951 case IPC_RMID: 952 case SHM_LOCK: 953 case SHM_UNLOCK: 954 ret = get_errno(shmctl(first, second, NULL)); 955 break; 956 default: 957 goto unimplemented; 958 } 959 break; 960 default: 961 unimplemented: 962 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version); 963 ret = -ENOSYS; 964 break; 965 } 966 return ret; 967 } 968 969 /* kernel structure types definitions */ 970 #define IFNAMSIZ 16 971 972 #define STRUCT(name, list...) STRUCT_ ## name, 973 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 974 enum { 975 #include "syscall_types.h" 976 }; 977 #undef STRUCT 978 #undef STRUCT_SPECIAL 979 980 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 981 #define STRUCT_SPECIAL(name) 982 #include "syscall_types.h" 983 #undef STRUCT 984 #undef STRUCT_SPECIAL 985 986 typedef struct IOCTLEntry { 987 unsigned int target_cmd; 988 unsigned int host_cmd; 989 const char *name; 990 int access; 991 const argtype arg_type[5]; 992 } IOCTLEntry; 993 994 #define IOC_R 0x0001 995 #define IOC_W 0x0002 996 #define IOC_RW (IOC_R | IOC_W) 997 998 #define MAX_STRUCT_SIZE 4096 999 1000 IOCTLEntry ioctl_entries[] = { 1001 #define IOCTL(cmd, access, types...) \ 1002 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 1003 #include "ioctls.h" 1004 { 0, 0, }, 1005 }; 1006 1007 static long do_ioctl(long fd, long cmd, long arg) 1008 { 1009 const IOCTLEntry *ie; 1010 const argtype *arg_type; 1011 long ret; 1012 uint8_t buf_temp[MAX_STRUCT_SIZE]; 1013 1014 ie = ioctl_entries; 1015 for(;;) { 1016 if (ie->target_cmd == 0) { 1017 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); 1018 return -ENOSYS; 1019 } 1020 if (ie->target_cmd == cmd) 1021 break; 1022 ie++; 1023 } 1024 arg_type = ie->arg_type; 1025 #if defined(DEBUG) 1026 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); 1027 #endif 1028 switch(arg_type[0]) { 1029 case TYPE_NULL: 1030 /* no argument */ 1031 ret = get_errno(ioctl(fd, ie->host_cmd)); 1032 break; 1033 case TYPE_PTRVOID: 1034 case TYPE_INT: 1035 /* int argment */ 1036 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 1037 break; 1038 case TYPE_PTR: 1039 arg_type++; 1040 switch(ie->access) { 1041 case IOC_R: 1042 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1043 if (!is_error(ret)) { 1044 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 1045 } 1046 break; 1047 case IOC_W: 1048 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 1049 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1050 break; 1051 default: 1052 case IOC_RW: 1053 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 1054 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1055 if (!is_error(ret)) { 1056 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 1057 } 1058 break; 1059 } 1060 break; 1061 default: 1062 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); 1063 ret = -ENOSYS; 1064 break; 1065 } 1066 return ret; 1067 } 1068 1069 bitmask_transtbl iflag_tbl[] = { 1070 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 1071 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 1072 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 1073 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 1074 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 1075 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 1076 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 1077 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 1078 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 1079 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 1080 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 1081 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 1082 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 1083 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 1084 { 0, 0, 0, 0 } 1085 }; 1086 1087 bitmask_transtbl oflag_tbl[] = { 1088 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 1089 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 1090 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 1091 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 1092 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 1093 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 1094 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 1095 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 1096 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 1097 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 1098 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 1099 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 1100 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 1101 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 1102 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 1103 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 1104 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 1105 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 1106 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 1107 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 1108 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 1109 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 1110 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 1111 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 1112 { 0, 0, 0, 0 } 1113 }; 1114 1115 bitmask_transtbl cflag_tbl[] = { 1116 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 1117 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 1118 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 1119 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 1120 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 1121 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 1122 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 1123 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 1124 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 1125 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 1126 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 1127 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 1128 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 1129 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 1130 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 1131 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 1132 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 1133 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 1134 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 1135 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 1136 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 1137 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 1138 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 1139 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 1140 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 1141 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 1142 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 1143 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 1144 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 1145 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 1146 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 1147 { 0, 0, 0, 0 } 1148 }; 1149 1150 bitmask_transtbl lflag_tbl[] = { 1151 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 1152 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 1153 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 1154 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 1155 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 1156 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 1157 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 1158 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 1159 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 1160 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 1161 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 1162 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 1163 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 1164 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 1165 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 1166 { 0, 0, 0, 0 } 1167 }; 1168 1169 static void target_to_host_termios (void *dst, const void *src) 1170 { 1171 struct host_termios *host = dst; 1172 const struct target_termios *target = src; 1173 1174 host->c_iflag = 1175 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 1176 host->c_oflag = 1177 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 1178 host->c_cflag = 1179 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 1180 host->c_lflag = 1181 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 1182 host->c_line = target->c_line; 1183 1184 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 1185 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 1186 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 1187 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 1188 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 1189 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 1190 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 1191 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 1192 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 1193 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 1194 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 1195 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 1196 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 1197 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 1198 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 1199 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 1200 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 1201 } 1202 1203 static void host_to_target_termios (void *dst, const void *src) 1204 { 1205 struct target_termios *target = dst; 1206 const struct host_termios *host = src; 1207 1208 target->c_iflag = 1209 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 1210 target->c_oflag = 1211 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 1212 target->c_cflag = 1213 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 1214 target->c_lflag = 1215 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 1216 target->c_line = host->c_line; 1217 1218 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 1219 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 1220 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 1221 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 1222 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 1223 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 1224 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 1225 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 1226 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 1227 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 1228 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 1229 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 1230 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 1231 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 1232 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 1233 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 1234 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 1235 } 1236 1237 StructEntry struct_termios_def = { 1238 .convert = { host_to_target_termios, target_to_host_termios }, 1239 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 1240 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 1241 }; 1242 1243 static bitmask_transtbl mmap_flags_tbl[] = { 1244 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 1245 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 1246 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 1247 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 1248 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 1249 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 1250 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 1251 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 1252 { 0, 0, 0, 0 } 1253 }; 1254 1255 static bitmask_transtbl fcntl_flags_tbl[] = { 1256 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 1257 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 1258 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 1259 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 1260 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 1261 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 1262 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 1263 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 1264 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 1265 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 1266 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 1267 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 1268 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 1269 #if defined(O_DIRECT) 1270 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 1271 #endif 1272 { 0, 0, 0, 0 } 1273 }; 1274 1275 #if defined(TARGET_I386) 1276 1277 /* NOTE: there is really one LDT for all the threads */ 1278 uint8_t *ldt_table; 1279 1280 static int read_ldt(void *ptr, unsigned long bytecount) 1281 { 1282 int size; 1283 1284 if (!ldt_table) 1285 return 0; 1286 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 1287 if (size > bytecount) 1288 size = bytecount; 1289 memcpy(ptr, ldt_table, size); 1290 return size; 1291 } 1292 1293 /* XXX: add locking support */ 1294 static int write_ldt(CPUX86State *env, 1295 void *ptr, unsigned long bytecount, int oldmode) 1296 { 1297 struct target_modify_ldt_ldt_s ldt_info; 1298 int seg_32bit, contents, read_exec_only, limit_in_pages; 1299 int seg_not_present, useable; 1300 uint32_t *lp, entry_1, entry_2; 1301 1302 if (bytecount != sizeof(ldt_info)) 1303 return -EINVAL; 1304 memcpy(&ldt_info, ptr, sizeof(ldt_info)); 1305 tswap32s(&ldt_info.entry_number); 1306 tswapls((long *)&ldt_info.base_addr); 1307 tswap32s(&ldt_info.limit); 1308 tswap32s(&ldt_info.flags); 1309 1310 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 1311 return -EINVAL; 1312 seg_32bit = ldt_info.flags & 1; 1313 contents = (ldt_info.flags >> 1) & 3; 1314 read_exec_only = (ldt_info.flags >> 3) & 1; 1315 limit_in_pages = (ldt_info.flags >> 4) & 1; 1316 seg_not_present = (ldt_info.flags >> 5) & 1; 1317 useable = (ldt_info.flags >> 6) & 1; 1318 1319 if (contents == 3) { 1320 if (oldmode) 1321 return -EINVAL; 1322 if (seg_not_present == 0) 1323 return -EINVAL; 1324 } 1325 /* allocate the LDT */ 1326 if (!ldt_table) { 1327 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1328 if (!ldt_table) 1329 return -ENOMEM; 1330 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1331 env->ldt.base = (long)ldt_table; 1332 env->ldt.limit = 0xffff; 1333 } 1334 1335 /* NOTE: same code as Linux kernel */ 1336 /* Allow LDTs to be cleared by the user. */ 1337 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 1338 if (oldmode || 1339 (contents == 0 && 1340 read_exec_only == 1 && 1341 seg_32bit == 0 && 1342 limit_in_pages == 0 && 1343 seg_not_present == 1 && 1344 useable == 0 )) { 1345 entry_1 = 0; 1346 entry_2 = 0; 1347 goto install; 1348 } 1349 } 1350 1351 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 1352 (ldt_info.limit & 0x0ffff); 1353 entry_2 = (ldt_info.base_addr & 0xff000000) | 1354 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 1355 (ldt_info.limit & 0xf0000) | 1356 ((read_exec_only ^ 1) << 9) | 1357 (contents << 10) | 1358 ((seg_not_present ^ 1) << 15) | 1359 (seg_32bit << 22) | 1360 (limit_in_pages << 23) | 1361 0x7000; 1362 if (!oldmode) 1363 entry_2 |= (useable << 20); 1364 1365 /* Install the new entry ... */ 1366 install: 1367 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 1368 lp[0] = tswap32(entry_1); 1369 lp[1] = tswap32(entry_2); 1370 return 0; 1371 } 1372 1373 /* specific and weird i386 syscalls */ 1374 int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount) 1375 { 1376 int ret = -ENOSYS; 1377 1378 switch (func) { 1379 case 0: 1380 ret = read_ldt(ptr, bytecount); 1381 break; 1382 case 1: 1383 ret = write_ldt(env, ptr, bytecount, 1); 1384 break; 1385 case 0x11: 1386 ret = write_ldt(env, ptr, bytecount, 0); 1387 break; 1388 } 1389 return ret; 1390 } 1391 1392 #endif /* defined(TARGET_I386) */ 1393 1394 /* this stack is the equivalent of the kernel stack associated with a 1395 thread/process */ 1396 #define NEW_STACK_SIZE 8192 1397 1398 static int clone_func(void *arg) 1399 { 1400 CPUState *env = arg; 1401 cpu_loop(env); 1402 /* never exits */ 1403 return 0; 1404 } 1405 1406 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp) 1407 { 1408 int ret; 1409 TaskState *ts; 1410 uint8_t *new_stack; 1411 CPUState *new_env; 1412 1413 if (flags & CLONE_VM) { 1414 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 1415 memset(ts, 0, sizeof(TaskState)); 1416 new_stack = ts->stack; 1417 ts->used = 1; 1418 /* add in task state list */ 1419 ts->next = first_task_state; 1420 first_task_state = ts; 1421 /* we create a new CPU instance. */ 1422 new_env = cpu_init(); 1423 memcpy(new_env, env, sizeof(CPUState)); 1424 #if defined(TARGET_I386) 1425 if (!newsp) 1426 newsp = env->regs[R_ESP]; 1427 new_env->regs[R_ESP] = newsp; 1428 new_env->regs[R_EAX] = 0; 1429 #elif defined(TARGET_ARM) 1430 if (!newsp) 1431 newsp = env->regs[13]; 1432 new_env->regs[13] = newsp; 1433 new_env->regs[0] = 0; 1434 #elif defined(TARGET_SPARC) 1435 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 1436 #elif defined(TARGET_PPC) 1437 if (!newsp) 1438 newsp = env->gpr[1]; 1439 new_env->gpr[1] = newsp; 1440 { 1441 int i; 1442 for (i = 7; i < 32; i++) 1443 new_env->gpr[i] = 0; 1444 } 1445 #else 1446 #error unsupported target CPU 1447 #endif 1448 new_env->opaque = ts; 1449 #ifdef __ia64__ 1450 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1451 #else 1452 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1453 #endif 1454 } else { 1455 /* if no CLONE_VM, we consider it is a fork */ 1456 if ((flags & ~CSIGNAL) != 0) 1457 return -EINVAL; 1458 ret = fork(); 1459 } 1460 return ret; 1461 } 1462 1463 static long do_fcntl(int fd, int cmd, unsigned long arg) 1464 { 1465 struct flock fl; 1466 struct target_flock *target_fl = (void *)arg; 1467 long ret; 1468 1469 switch(cmd) { 1470 case TARGET_F_GETLK: 1471 ret = fcntl(fd, cmd, &fl); 1472 if (ret == 0) { 1473 target_fl->l_type = tswap16(fl.l_type); 1474 target_fl->l_whence = tswap16(fl.l_whence); 1475 target_fl->l_start = tswapl(fl.l_start); 1476 target_fl->l_len = tswapl(fl.l_len); 1477 target_fl->l_pid = tswapl(fl.l_pid); 1478 } 1479 break; 1480 1481 case TARGET_F_SETLK: 1482 case TARGET_F_SETLKW: 1483 fl.l_type = tswap16(target_fl->l_type); 1484 fl.l_whence = tswap16(target_fl->l_whence); 1485 fl.l_start = tswapl(target_fl->l_start); 1486 fl.l_len = tswapl(target_fl->l_len); 1487 fl.l_pid = tswapl(target_fl->l_pid); 1488 ret = fcntl(fd, cmd, &fl); 1489 break; 1490 1491 case TARGET_F_GETLK64: 1492 case TARGET_F_SETLK64: 1493 case TARGET_F_SETLKW64: 1494 ret = -1; 1495 errno = EINVAL; 1496 break; 1497 1498 case F_GETFL: 1499 ret = fcntl(fd, cmd, arg); 1500 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 1501 break; 1502 1503 case F_SETFL: 1504 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)); 1505 break; 1506 1507 default: 1508 ret = fcntl(fd, cmd, arg); 1509 break; 1510 } 1511 return ret; 1512 } 1513 1514 #ifdef USE_UID16 1515 1516 static inline int high2lowuid(int uid) 1517 { 1518 if (uid > 65535) 1519 return 65534; 1520 else 1521 return uid; 1522 } 1523 1524 static inline int high2lowgid(int gid) 1525 { 1526 if (gid > 65535) 1527 return 65534; 1528 else 1529 return gid; 1530 } 1531 1532 static inline int low2highuid(int uid) 1533 { 1534 if ((int16_t)uid == -1) 1535 return -1; 1536 else 1537 return uid; 1538 } 1539 1540 static inline int low2highgid(int gid) 1541 { 1542 if ((int16_t)gid == -1) 1543 return -1; 1544 else 1545 return gid; 1546 } 1547 1548 #endif /* USE_UID16 */ 1549 1550 void syscall_init(void) 1551 { 1552 IOCTLEntry *ie; 1553 const argtype *arg_type; 1554 int size; 1555 1556 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 1557 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 1558 #include "syscall_types.h" 1559 #undef STRUCT 1560 #undef STRUCT_SPECIAL 1561 1562 /* we patch the ioctl size if necessary. We rely on the fact that 1563 no ioctl has all the bits at '1' in the size field */ 1564 ie = ioctl_entries; 1565 while (ie->target_cmd != 0) { 1566 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 1567 TARGET_IOC_SIZEMASK) { 1568 arg_type = ie->arg_type; 1569 if (arg_type[0] != TYPE_PTR) { 1570 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 1571 ie->target_cmd); 1572 exit(1); 1573 } 1574 arg_type++; 1575 size = thunk_type_size(arg_type, 0); 1576 ie->target_cmd = (ie->target_cmd & 1577 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 1578 (size << TARGET_IOC_SIZESHIFT); 1579 } 1580 /* automatic consistency check if same arch */ 1581 #if defined(__i386__) && defined(TARGET_I386) 1582 if (ie->target_cmd != ie->host_cmd) { 1583 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 1584 ie->target_cmd, ie->host_cmd); 1585 } 1586 #endif 1587 ie++; 1588 } 1589 } 1590 1591 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 1592 long arg4, long arg5, long arg6) 1593 { 1594 long ret; 1595 struct stat st; 1596 struct kernel_statfs *stfs; 1597 1598 #ifdef DEBUG 1599 gemu_log("syscall %d", num); 1600 #endif 1601 switch(num) { 1602 case TARGET_NR_exit: 1603 #ifdef HAVE_GPROF 1604 _mcleanup(); 1605 #endif 1606 /* XXX: should free thread stack and CPU env */ 1607 _exit(arg1); 1608 ret = 0; /* avoid warning */ 1609 break; 1610 case TARGET_NR_read: 1611 page_unprotect_range((void *)arg2, arg3); 1612 ret = get_errno(read(arg1, (void *)arg2, arg3)); 1613 break; 1614 case TARGET_NR_write: 1615 ret = get_errno(write(arg1, (void *)arg2, arg3)); 1616 break; 1617 case TARGET_NR_open: 1618 ret = get_errno(open(path((const char *)arg1), 1619 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1620 arg3)); 1621 break; 1622 case TARGET_NR_close: 1623 ret = get_errno(close(arg1)); 1624 break; 1625 case TARGET_NR_brk: 1626 ret = do_brk((char *)arg1); 1627 break; 1628 case TARGET_NR_fork: 1629 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 1630 break; 1631 case TARGET_NR_waitpid: 1632 { 1633 int *status = (int *)arg2; 1634 ret = get_errno(waitpid(arg1, status, arg3)); 1635 if (!is_error(ret) && status) 1636 tswapls((long *)&status); 1637 } 1638 break; 1639 case TARGET_NR_creat: 1640 ret = get_errno(creat((const char *)arg1, arg2)); 1641 break; 1642 case TARGET_NR_link: 1643 ret = get_errno(link((const char *)arg1, (const char *)arg2)); 1644 break; 1645 case TARGET_NR_unlink: 1646 ret = get_errno(unlink((const char *)arg1)); 1647 break; 1648 case TARGET_NR_execve: 1649 { 1650 char **argp, **envp; 1651 int argc, envc; 1652 uint32_t *p; 1653 char **q; 1654 1655 argc = 0; 1656 for (p = (void *)arg2; *p; p++) 1657 argc++; 1658 envc = 0; 1659 for (p = (void *)arg3; *p; p++) 1660 envc++; 1661 1662 argp = alloca((argc + 1) * sizeof(void *)); 1663 envp = alloca((envc + 1) * sizeof(void *)); 1664 1665 for (p = (void *)arg2, q = argp; *p; p++, q++) 1666 *q = (void *)tswap32(*p); 1667 *q = NULL; 1668 1669 for (p = (void *)arg3, q = envp; *p; p++, q++) 1670 *q = (void *)tswap32(*p); 1671 *q = NULL; 1672 1673 ret = get_errno(execve((const char *)arg1, argp, envp)); 1674 } 1675 break; 1676 case TARGET_NR_chdir: 1677 ret = get_errno(chdir((const char *)arg1)); 1678 break; 1679 #ifdef TARGET_NR_time 1680 case TARGET_NR_time: 1681 { 1682 int *time_ptr = (int *)arg1; 1683 ret = get_errno(time((time_t *)time_ptr)); 1684 if (!is_error(ret) && time_ptr) 1685 tswap32s(time_ptr); 1686 } 1687 break; 1688 #endif 1689 case TARGET_NR_mknod: 1690 ret = get_errno(mknod((const char *)arg1, arg2, arg3)); 1691 break; 1692 case TARGET_NR_chmod: 1693 ret = get_errno(chmod((const char *)arg1, arg2)); 1694 break; 1695 #ifdef TARGET_NR_break 1696 case TARGET_NR_break: 1697 goto unimplemented; 1698 #endif 1699 #ifdef TARGET_NR_oldstat 1700 case TARGET_NR_oldstat: 1701 goto unimplemented; 1702 #endif 1703 case TARGET_NR_lseek: 1704 ret = get_errno(lseek(arg1, arg2, arg3)); 1705 break; 1706 case TARGET_NR_getpid: 1707 ret = get_errno(getpid()); 1708 break; 1709 case TARGET_NR_mount: 1710 /* need to look at the data field */ 1711 goto unimplemented; 1712 case TARGET_NR_umount: 1713 ret = get_errno(umount((const char *)arg1)); 1714 break; 1715 case TARGET_NR_stime: 1716 { 1717 int *time_ptr = (int *)arg1; 1718 if (time_ptr) 1719 tswap32s(time_ptr); 1720 ret = get_errno(stime((time_t *)time_ptr)); 1721 } 1722 break; 1723 case TARGET_NR_ptrace: 1724 goto unimplemented; 1725 case TARGET_NR_alarm: 1726 ret = alarm(arg1); 1727 break; 1728 #ifdef TARGET_NR_oldfstat 1729 case TARGET_NR_oldfstat: 1730 goto unimplemented; 1731 #endif 1732 case TARGET_NR_pause: 1733 ret = get_errno(pause()); 1734 break; 1735 case TARGET_NR_utime: 1736 { 1737 struct utimbuf tbuf, *tbuf1; 1738 struct target_utimbuf *target_tbuf = (void *)arg2; 1739 if (target_tbuf) { 1740 get_user(tbuf.actime, &target_tbuf->actime); 1741 get_user(tbuf.modtime, &target_tbuf->modtime); 1742 tbuf1 = &tbuf; 1743 } else { 1744 tbuf1 = NULL; 1745 } 1746 ret = get_errno(utime((const char *)arg1, tbuf1)); 1747 } 1748 break; 1749 case TARGET_NR_utimes: 1750 { 1751 struct target_timeval *target_tvp = (struct target_timeval *)arg2; 1752 struct timeval *tvp, tv[2]; 1753 if (target_tvp) { 1754 target_to_host_timeval(&tv[0], &target_tvp[0]); 1755 target_to_host_timeval(&tv[1], &target_tvp[1]); 1756 tvp = tv; 1757 } else { 1758 tvp = NULL; 1759 } 1760 ret = get_errno(utimes((const char *)arg1, tvp)); 1761 } 1762 break; 1763 #ifdef TARGET_NR_stty 1764 case TARGET_NR_stty: 1765 goto unimplemented; 1766 #endif 1767 #ifdef TARGET_NR_gtty 1768 case TARGET_NR_gtty: 1769 goto unimplemented; 1770 #endif 1771 case TARGET_NR_access: 1772 ret = get_errno(access((const char *)arg1, arg2)); 1773 break; 1774 case TARGET_NR_nice: 1775 ret = get_errno(nice(arg1)); 1776 break; 1777 #ifdef TARGET_NR_ftime 1778 case TARGET_NR_ftime: 1779 goto unimplemented; 1780 #endif 1781 case TARGET_NR_sync: 1782 sync(); 1783 ret = 0; 1784 break; 1785 case TARGET_NR_kill: 1786 ret = get_errno(kill(arg1, arg2)); 1787 break; 1788 case TARGET_NR_rename: 1789 ret = get_errno(rename((const char *)arg1, (const char *)arg2)); 1790 break; 1791 case TARGET_NR_mkdir: 1792 ret = get_errno(mkdir((const char *)arg1, arg2)); 1793 break; 1794 case TARGET_NR_rmdir: 1795 ret = get_errno(rmdir((const char *)arg1)); 1796 break; 1797 case TARGET_NR_dup: 1798 ret = get_errno(dup(arg1)); 1799 break; 1800 case TARGET_NR_pipe: 1801 { 1802 int *pipe_ptr = (int *)arg1; 1803 ret = get_errno(pipe(pipe_ptr)); 1804 if (!is_error(ret)) { 1805 tswap32s(&pipe_ptr[0]); 1806 tswap32s(&pipe_ptr[1]); 1807 } 1808 } 1809 break; 1810 case TARGET_NR_times: 1811 { 1812 struct target_tms *tmsp = (void *)arg1; 1813 struct tms tms; 1814 ret = get_errno(times(&tms)); 1815 if (tmsp) { 1816 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 1817 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 1818 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 1819 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 1820 } 1821 if (!is_error(ret)) 1822 ret = host_to_target_clock_t(ret); 1823 } 1824 break; 1825 #ifdef TARGET_NR_prof 1826 case TARGET_NR_prof: 1827 goto unimplemented; 1828 #endif 1829 case TARGET_NR_signal: 1830 goto unimplemented; 1831 1832 case TARGET_NR_acct: 1833 goto unimplemented; 1834 case TARGET_NR_umount2: 1835 ret = get_errno(umount2((const char *)arg1, arg2)); 1836 break; 1837 #ifdef TARGET_NR_lock 1838 case TARGET_NR_lock: 1839 goto unimplemented; 1840 #endif 1841 case TARGET_NR_ioctl: 1842 ret = do_ioctl(arg1, arg2, arg3); 1843 break; 1844 case TARGET_NR_fcntl: 1845 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 1846 break; 1847 #ifdef TARGET_NR_mpx 1848 case TARGET_NR_mpx: 1849 goto unimplemented; 1850 #endif 1851 case TARGET_NR_setpgid: 1852 ret = get_errno(setpgid(arg1, arg2)); 1853 break; 1854 #ifdef TARGET_NR_ulimit 1855 case TARGET_NR_ulimit: 1856 goto unimplemented; 1857 #endif 1858 #ifdef TARGET_NR_oldolduname 1859 case TARGET_NR_oldolduname: 1860 goto unimplemented; 1861 #endif 1862 case TARGET_NR_umask: 1863 ret = get_errno(umask(arg1)); 1864 break; 1865 case TARGET_NR_chroot: 1866 ret = get_errno(chroot((const char *)arg1)); 1867 break; 1868 case TARGET_NR_ustat: 1869 goto unimplemented; 1870 case TARGET_NR_dup2: 1871 ret = get_errno(dup2(arg1, arg2)); 1872 break; 1873 case TARGET_NR_getppid: 1874 ret = get_errno(getppid()); 1875 break; 1876 case TARGET_NR_getpgrp: 1877 ret = get_errno(getpgrp()); 1878 break; 1879 case TARGET_NR_setsid: 1880 ret = get_errno(setsid()); 1881 break; 1882 case TARGET_NR_sigaction: 1883 { 1884 struct target_old_sigaction *old_act = (void *)arg2; 1885 struct target_old_sigaction *old_oact = (void *)arg3; 1886 struct target_sigaction act, oact, *pact; 1887 if (old_act) { 1888 act._sa_handler = old_act->_sa_handler; 1889 target_siginitset(&act.sa_mask, old_act->sa_mask); 1890 act.sa_flags = old_act->sa_flags; 1891 act.sa_restorer = old_act->sa_restorer; 1892 pact = &act; 1893 } else { 1894 pact = NULL; 1895 } 1896 ret = get_errno(do_sigaction(arg1, pact, &oact)); 1897 if (!is_error(ret) && old_oact) { 1898 old_oact->_sa_handler = oact._sa_handler; 1899 old_oact->sa_mask = oact.sa_mask.sig[0]; 1900 old_oact->sa_flags = oact.sa_flags; 1901 old_oact->sa_restorer = oact.sa_restorer; 1902 } 1903 } 1904 break; 1905 case TARGET_NR_rt_sigaction: 1906 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3)); 1907 break; 1908 case TARGET_NR_sgetmask: 1909 { 1910 sigset_t cur_set; 1911 target_ulong target_set; 1912 sigprocmask(0, NULL, &cur_set); 1913 host_to_target_old_sigset(&target_set, &cur_set); 1914 ret = target_set; 1915 } 1916 break; 1917 case TARGET_NR_ssetmask: 1918 { 1919 sigset_t set, oset, cur_set; 1920 target_ulong target_set = arg1; 1921 sigprocmask(0, NULL, &cur_set); 1922 target_to_host_old_sigset(&set, &target_set); 1923 sigorset(&set, &set, &cur_set); 1924 sigprocmask(SIG_SETMASK, &set, &oset); 1925 host_to_target_old_sigset(&target_set, &oset); 1926 ret = target_set; 1927 } 1928 break; 1929 case TARGET_NR_sigprocmask: 1930 { 1931 int how = arg1; 1932 sigset_t set, oldset, *set_ptr; 1933 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3; 1934 1935 if (pset) { 1936 switch(how) { 1937 case TARGET_SIG_BLOCK: 1938 how = SIG_BLOCK; 1939 break; 1940 case TARGET_SIG_UNBLOCK: 1941 how = SIG_UNBLOCK; 1942 break; 1943 case TARGET_SIG_SETMASK: 1944 how = SIG_SETMASK; 1945 break; 1946 default: 1947 ret = -EINVAL; 1948 goto fail; 1949 } 1950 target_to_host_old_sigset(&set, pset); 1951 set_ptr = &set; 1952 } else { 1953 how = 0; 1954 set_ptr = NULL; 1955 } 1956 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 1957 if (!is_error(ret) && poldset) { 1958 host_to_target_old_sigset(poldset, &oldset); 1959 } 1960 } 1961 break; 1962 case TARGET_NR_rt_sigprocmask: 1963 { 1964 int how = arg1; 1965 sigset_t set, oldset, *set_ptr; 1966 target_sigset_t *pset = (void *)arg2; 1967 target_sigset_t *poldset = (void *)arg3; 1968 1969 if (pset) { 1970 switch(how) { 1971 case TARGET_SIG_BLOCK: 1972 how = SIG_BLOCK; 1973 break; 1974 case TARGET_SIG_UNBLOCK: 1975 how = SIG_UNBLOCK; 1976 break; 1977 case TARGET_SIG_SETMASK: 1978 how = SIG_SETMASK; 1979 break; 1980 default: 1981 ret = -EINVAL; 1982 goto fail; 1983 } 1984 target_to_host_sigset(&set, pset); 1985 set_ptr = &set; 1986 } else { 1987 how = 0; 1988 set_ptr = NULL; 1989 } 1990 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 1991 if (!is_error(ret) && poldset) { 1992 host_to_target_sigset(poldset, &oldset); 1993 } 1994 } 1995 break; 1996 case TARGET_NR_sigpending: 1997 { 1998 sigset_t set; 1999 ret = get_errno(sigpending(&set)); 2000 if (!is_error(ret)) { 2001 host_to_target_old_sigset((target_ulong *)arg1, &set); 2002 } 2003 } 2004 break; 2005 case TARGET_NR_rt_sigpending: 2006 { 2007 sigset_t set; 2008 ret = get_errno(sigpending(&set)); 2009 if (!is_error(ret)) { 2010 host_to_target_sigset((target_sigset_t *)arg1, &set); 2011 } 2012 } 2013 break; 2014 case TARGET_NR_sigsuspend: 2015 { 2016 sigset_t set; 2017 target_to_host_old_sigset(&set, (target_ulong *)arg1); 2018 ret = get_errno(sigsuspend(&set)); 2019 } 2020 break; 2021 case TARGET_NR_rt_sigsuspend: 2022 { 2023 sigset_t set; 2024 target_to_host_sigset(&set, (target_sigset_t *)arg1); 2025 ret = get_errno(sigsuspend(&set)); 2026 } 2027 break; 2028 case TARGET_NR_rt_sigtimedwait: 2029 { 2030 target_sigset_t *target_set = (void *)arg1; 2031 target_siginfo_t *target_uinfo = (void *)arg2; 2032 struct target_timespec *target_uts = (void *)arg3; 2033 sigset_t set; 2034 struct timespec uts, *puts; 2035 siginfo_t uinfo; 2036 2037 target_to_host_sigset(&set, target_set); 2038 if (target_uts) { 2039 puts = &uts; 2040 puts->tv_sec = tswapl(target_uts->tv_sec); 2041 puts->tv_nsec = tswapl(target_uts->tv_nsec); 2042 } else { 2043 puts = NULL; 2044 } 2045 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 2046 if (!is_error(ret) && target_uinfo) { 2047 host_to_target_siginfo(target_uinfo, &uinfo); 2048 } 2049 } 2050 break; 2051 case TARGET_NR_rt_sigqueueinfo: 2052 { 2053 siginfo_t uinfo; 2054 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3); 2055 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 2056 } 2057 break; 2058 case TARGET_NR_sigreturn: 2059 /* NOTE: ret is eax, so not transcoding must be done */ 2060 ret = do_sigreturn(cpu_env); 2061 break; 2062 case TARGET_NR_rt_sigreturn: 2063 /* NOTE: ret is eax, so not transcoding must be done */ 2064 ret = do_rt_sigreturn(cpu_env); 2065 break; 2066 case TARGET_NR_sethostname: 2067 ret = get_errno(sethostname((const char *)arg1, arg2)); 2068 break; 2069 case TARGET_NR_setrlimit: 2070 { 2071 /* XXX: convert resource ? */ 2072 int resource = arg1; 2073 struct target_rlimit *target_rlim = (void *)arg2; 2074 struct rlimit rlim; 2075 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 2076 rlim.rlim_max = tswapl(target_rlim->rlim_max); 2077 ret = get_errno(setrlimit(resource, &rlim)); 2078 } 2079 break; 2080 case TARGET_NR_getrlimit: 2081 { 2082 /* XXX: convert resource ? */ 2083 int resource = arg1; 2084 struct target_rlimit *target_rlim = (void *)arg2; 2085 struct rlimit rlim; 2086 2087 ret = get_errno(getrlimit(resource, &rlim)); 2088 if (!is_error(ret)) { 2089 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 2090 target_rlim->rlim_max = tswapl(rlim.rlim_max); 2091 } 2092 } 2093 break; 2094 case TARGET_NR_getrusage: 2095 { 2096 struct rusage rusage; 2097 struct target_rusage *target_rusage = (void *)arg2; 2098 ret = get_errno(getrusage(arg1, &rusage)); 2099 if (!is_error(ret)) { 2100 host_to_target_rusage(target_rusage, &rusage); 2101 } 2102 } 2103 break; 2104 case TARGET_NR_gettimeofday: 2105 { 2106 struct target_timeval *target_tv = (void *)arg1; 2107 struct timeval tv; 2108 ret = get_errno(gettimeofday(&tv, NULL)); 2109 if (!is_error(ret)) { 2110 host_to_target_timeval(target_tv, &tv); 2111 } 2112 } 2113 break; 2114 case TARGET_NR_settimeofday: 2115 { 2116 struct target_timeval *target_tv = (void *)arg1; 2117 struct timeval tv; 2118 target_to_host_timeval(&tv, target_tv); 2119 ret = get_errno(settimeofday(&tv, NULL)); 2120 } 2121 break; 2122 case TARGET_NR_select: 2123 { 2124 struct target_sel_arg_struct *sel = (void *)arg1; 2125 sel->n = tswapl(sel->n); 2126 sel->inp = tswapl(sel->inp); 2127 sel->outp = tswapl(sel->outp); 2128 sel->exp = tswapl(sel->exp); 2129 sel->tvp = tswapl(sel->tvp); 2130 ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp, 2131 (void *)sel->exp, (void *)sel->tvp); 2132 } 2133 break; 2134 case TARGET_NR_symlink: 2135 ret = get_errno(symlink((const char *)arg1, (const char *)arg2)); 2136 break; 2137 #ifdef TARGET_NR_oldlstat 2138 case TARGET_NR_oldlstat: 2139 goto unimplemented; 2140 #endif 2141 case TARGET_NR_readlink: 2142 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3)); 2143 break; 2144 case TARGET_NR_uselib: 2145 goto unimplemented; 2146 case TARGET_NR_swapon: 2147 ret = get_errno(swapon((const char *)arg1, arg2)); 2148 break; 2149 case TARGET_NR_reboot: 2150 goto unimplemented; 2151 case TARGET_NR_readdir: 2152 goto unimplemented; 2153 case TARGET_NR_mmap: 2154 #if defined(TARGET_I386) || defined(TARGET_ARM) 2155 { 2156 uint32_t v1, v2, v3, v4, v5, v6, *vptr; 2157 vptr = (uint32_t *)arg1; 2158 v1 = tswap32(vptr[0]); 2159 v2 = tswap32(vptr[1]); 2160 v3 = tswap32(vptr[2]); 2161 v4 = tswap32(vptr[3]); 2162 v5 = tswap32(vptr[4]); 2163 v6 = tswap32(vptr[5]); 2164 ret = get_errno(target_mmap(v1, v2, v3, 2165 target_to_host_bitmask(v4, mmap_flags_tbl), 2166 v5, v6)); 2167 } 2168 #else 2169 ret = get_errno(target_mmap(arg1, arg2, arg3, 2170 target_to_host_bitmask(arg4, mmap_flags_tbl), 2171 arg5, 2172 arg6)); 2173 #endif 2174 break; 2175 #ifdef TARGET_NR_mmap2 2176 case TARGET_NR_mmap2: 2177 #if defined(TARGET_SPARC) 2178 #define MMAP_SHIFT 12 2179 #else 2180 #define MMAP_SHIFT TARGET_PAGE_BITS 2181 #endif 2182 ret = get_errno(target_mmap(arg1, arg2, arg3, 2183 target_to_host_bitmask(arg4, mmap_flags_tbl), 2184 arg5, 2185 arg6 << MMAP_SHIFT)); 2186 break; 2187 #endif 2188 case TARGET_NR_munmap: 2189 ret = get_errno(target_munmap(arg1, arg2)); 2190 break; 2191 case TARGET_NR_mprotect: 2192 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 2193 break; 2194 case TARGET_NR_mremap: 2195 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 2196 break; 2197 case TARGET_NR_msync: 2198 ret = get_errno(msync((void *)arg1, arg2, arg3)); 2199 break; 2200 case TARGET_NR_mlock: 2201 ret = get_errno(mlock((void *)arg1, arg2)); 2202 break; 2203 case TARGET_NR_munlock: 2204 ret = get_errno(munlock((void *)arg1, arg2)); 2205 break; 2206 case TARGET_NR_mlockall: 2207 ret = get_errno(mlockall(arg1)); 2208 break; 2209 case TARGET_NR_munlockall: 2210 ret = get_errno(munlockall()); 2211 break; 2212 case TARGET_NR_truncate: 2213 ret = get_errno(truncate((const char *)arg1, arg2)); 2214 break; 2215 case TARGET_NR_ftruncate: 2216 ret = get_errno(ftruncate(arg1, arg2)); 2217 break; 2218 case TARGET_NR_fchmod: 2219 ret = get_errno(fchmod(arg1, arg2)); 2220 break; 2221 case TARGET_NR_getpriority: 2222 ret = get_errno(getpriority(arg1, arg2)); 2223 break; 2224 case TARGET_NR_setpriority: 2225 ret = get_errno(setpriority(arg1, arg2, arg3)); 2226 break; 2227 #ifdef TARGET_NR_profil 2228 case TARGET_NR_profil: 2229 goto unimplemented; 2230 #endif 2231 case TARGET_NR_statfs: 2232 stfs = (void *)arg2; 2233 ret = get_errno(sys_statfs(path((const char *)arg1), stfs)); 2234 convert_statfs: 2235 if (!is_error(ret)) { 2236 tswap32s(&stfs->f_type); 2237 tswap32s(&stfs->f_bsize); 2238 tswap32s(&stfs->f_blocks); 2239 tswap32s(&stfs->f_bfree); 2240 tswap32s(&stfs->f_bavail); 2241 tswap32s(&stfs->f_files); 2242 tswap32s(&stfs->f_ffree); 2243 tswap32s(&stfs->f_fsid.val[0]); 2244 tswap32s(&stfs->f_fsid.val[1]); 2245 tswap32s(&stfs->f_namelen); 2246 } 2247 break; 2248 case TARGET_NR_fstatfs: 2249 stfs = (void *)arg2; 2250 ret = get_errno(sys_fstatfs(arg1, stfs)); 2251 goto convert_statfs; 2252 #ifdef TARGET_NR_ioperm 2253 case TARGET_NR_ioperm: 2254 goto unimplemented; 2255 #endif 2256 case TARGET_NR_socketcall: 2257 ret = do_socketcall(arg1, (int32_t *)arg2); 2258 break; 2259 case TARGET_NR_syslog: 2260 goto unimplemented; 2261 case TARGET_NR_setitimer: 2262 { 2263 struct target_itimerval *target_value = (void *)arg2; 2264 struct target_itimerval *target_ovalue = (void *)arg3; 2265 struct itimerval value, ovalue, *pvalue; 2266 2267 if (target_value) { 2268 pvalue = &value; 2269 target_to_host_timeval(&pvalue->it_interval, 2270 &target_value->it_interval); 2271 target_to_host_timeval(&pvalue->it_value, 2272 &target_value->it_value); 2273 } else { 2274 pvalue = NULL; 2275 } 2276 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 2277 if (!is_error(ret) && target_ovalue) { 2278 host_to_target_timeval(&target_ovalue->it_interval, 2279 &ovalue.it_interval); 2280 host_to_target_timeval(&target_ovalue->it_value, 2281 &ovalue.it_value); 2282 } 2283 } 2284 break; 2285 case TARGET_NR_getitimer: 2286 { 2287 struct target_itimerval *target_value = (void *)arg2; 2288 struct itimerval value; 2289 2290 ret = get_errno(getitimer(arg1, &value)); 2291 if (!is_error(ret) && target_value) { 2292 host_to_target_timeval(&target_value->it_interval, 2293 &value.it_interval); 2294 host_to_target_timeval(&target_value->it_value, 2295 &value.it_value); 2296 } 2297 } 2298 break; 2299 case TARGET_NR_stat: 2300 ret = get_errno(stat(path((const char *)arg1), &st)); 2301 goto do_stat; 2302 case TARGET_NR_lstat: 2303 ret = get_errno(lstat(path((const char *)arg1), &st)); 2304 goto do_stat; 2305 case TARGET_NR_fstat: 2306 { 2307 ret = get_errno(fstat(arg1, &st)); 2308 do_stat: 2309 if (!is_error(ret)) { 2310 struct target_stat *target_st = (void *)arg2; 2311 target_st->st_dev = tswap16(st.st_dev); 2312 target_st->st_ino = tswapl(st.st_ino); 2313 #if defined(TARGET_PPC) 2314 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ 2315 target_st->st_uid = tswap32(st.st_uid); 2316 target_st->st_gid = tswap32(st.st_gid); 2317 #else 2318 target_st->st_mode = tswap16(st.st_mode); 2319 target_st->st_uid = tswap16(st.st_uid); 2320 target_st->st_gid = tswap16(st.st_gid); 2321 #endif 2322 target_st->st_nlink = tswap16(st.st_nlink); 2323 target_st->st_rdev = tswap16(st.st_rdev); 2324 target_st->st_size = tswapl(st.st_size); 2325 target_st->st_blksize = tswapl(st.st_blksize); 2326 target_st->st_blocks = tswapl(st.st_blocks); 2327 target_st->target_st_atime = tswapl(st.st_atime); 2328 target_st->target_st_mtime = tswapl(st.st_mtime); 2329 target_st->target_st_ctime = tswapl(st.st_ctime); 2330 } 2331 } 2332 break; 2333 #ifdef TARGET_NR_olduname 2334 case TARGET_NR_olduname: 2335 goto unimplemented; 2336 #endif 2337 #ifdef TARGET_NR_iopl 2338 case TARGET_NR_iopl: 2339 goto unimplemented; 2340 #endif 2341 case TARGET_NR_vhangup: 2342 ret = get_errno(vhangup()); 2343 break; 2344 #ifdef TARGET_NR_idle 2345 case TARGET_NR_idle: 2346 goto unimplemented; 2347 #endif 2348 #ifdef TARGET_NR_syscall 2349 case TARGET_NR_syscall: 2350 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 2351 break; 2352 #endif 2353 case TARGET_NR_wait4: 2354 { 2355 int status; 2356 target_long *status_ptr = (void *)arg2; 2357 struct rusage rusage, *rusage_ptr; 2358 struct target_rusage *target_rusage = (void *)arg4; 2359 if (target_rusage) 2360 rusage_ptr = &rusage; 2361 else 2362 rusage_ptr = NULL; 2363 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 2364 if (!is_error(ret)) { 2365 if (status_ptr) 2366 *status_ptr = tswap32(status); 2367 if (target_rusage) { 2368 host_to_target_rusage(target_rusage, &rusage); 2369 } 2370 } 2371 } 2372 break; 2373 case TARGET_NR_swapoff: 2374 ret = get_errno(swapoff((const char *)arg1)); 2375 break; 2376 case TARGET_NR_sysinfo: 2377 { 2378 struct target_sysinfo *target_value = (void *)arg1; 2379 struct sysinfo value; 2380 ret = get_errno(sysinfo(&value)); 2381 if (!is_error(ret) && target_value) 2382 { 2383 __put_user(value.uptime, &target_value->uptime); 2384 __put_user(value.loads[0], &target_value->loads[0]); 2385 __put_user(value.loads[1], &target_value->loads[1]); 2386 __put_user(value.loads[2], &target_value->loads[2]); 2387 __put_user(value.totalram, &target_value->totalram); 2388 __put_user(value.freeram, &target_value->freeram); 2389 __put_user(value.sharedram, &target_value->sharedram); 2390 __put_user(value.bufferram, &target_value->bufferram); 2391 __put_user(value.totalswap, &target_value->totalswap); 2392 __put_user(value.freeswap, &target_value->freeswap); 2393 __put_user(value.procs, &target_value->procs); 2394 __put_user(value.totalhigh, &target_value->totalhigh); 2395 __put_user(value.freehigh, &target_value->freehigh); 2396 __put_user(value.mem_unit, &target_value->mem_unit); 2397 } 2398 } 2399 break; 2400 case TARGET_NR_ipc: 2401 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 2402 break; 2403 case TARGET_NR_fsync: 2404 ret = get_errno(fsync(arg1)); 2405 break; 2406 case TARGET_NR_clone: 2407 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 2408 break; 2409 #ifdef __NR_exit_group 2410 /* new thread calls */ 2411 case TARGET_NR_exit_group: 2412 ret = get_errno(exit_group(arg1)); 2413 break; 2414 #endif 2415 case TARGET_NR_setdomainname: 2416 ret = get_errno(setdomainname((const char *)arg1, arg2)); 2417 break; 2418 case TARGET_NR_uname: 2419 /* no need to transcode because we use the linux syscall */ 2420 { 2421 struct new_utsname * buf; 2422 2423 buf = (struct new_utsname *)arg1; 2424 ret = get_errno(sys_uname(buf)); 2425 if (!is_error(ret)) { 2426 /* Overrite the native machine name with whatever is being 2427 emulated. */ 2428 strcpy (buf->machine, UNAME_MACHINE); 2429 } 2430 } 2431 break; 2432 #ifdef TARGET_I386 2433 case TARGET_NR_modify_ldt: 2434 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3)); 2435 break; 2436 case TARGET_NR_vm86old: 2437 goto unimplemented; 2438 case TARGET_NR_vm86: 2439 ret = do_vm86(cpu_env, arg1, (void *)arg2); 2440 break; 2441 #endif 2442 case TARGET_NR_adjtimex: 2443 goto unimplemented; 2444 case TARGET_NR_create_module: 2445 case TARGET_NR_init_module: 2446 case TARGET_NR_delete_module: 2447 case TARGET_NR_get_kernel_syms: 2448 goto unimplemented; 2449 case TARGET_NR_quotactl: 2450 goto unimplemented; 2451 case TARGET_NR_getpgid: 2452 ret = get_errno(getpgid(arg1)); 2453 break; 2454 case TARGET_NR_fchdir: 2455 ret = get_errno(fchdir(arg1)); 2456 break; 2457 case TARGET_NR_bdflush: 2458 goto unimplemented; 2459 case TARGET_NR_sysfs: 2460 goto unimplemented; 2461 case TARGET_NR_personality: 2462 ret = get_errno(personality(arg1)); 2463 break; 2464 case TARGET_NR_afs_syscall: 2465 goto unimplemented; 2466 case TARGET_NR__llseek: 2467 { 2468 #if defined (__x86_64__) 2469 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 2470 *(int64_t *)arg4 = ret; 2471 #else 2472 int64_t res; 2473 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 2474 *(int64_t *)arg4 = tswap64(res); 2475 #endif 2476 } 2477 break; 2478 case TARGET_NR_getdents: 2479 #if TARGET_LONG_SIZE != 4 2480 #warning not supported 2481 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8 2482 { 2483 struct target_dirent *target_dirp = (void *)arg2; 2484 struct dirent *dirp; 2485 long count = arg3; 2486 2487 dirp = malloc(count); 2488 if (!dirp) 2489 return -ENOMEM; 2490 2491 ret = get_errno(sys_getdents(arg1, dirp, count)); 2492 if (!is_error(ret)) { 2493 struct dirent *de; 2494 struct target_dirent *tde; 2495 int len = ret; 2496 int reclen, treclen; 2497 int count1, tnamelen; 2498 2499 count1 = 0; 2500 de = dirp; 2501 tde = target_dirp; 2502 while (len > 0) { 2503 reclen = de->d_reclen; 2504 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long))); 2505 tde->d_reclen = tswap16(treclen); 2506 tde->d_ino = tswapl(de->d_ino); 2507 tde->d_off = tswapl(de->d_off); 2508 tnamelen = treclen - (2 * sizeof(target_long) + 2); 2509 if (tnamelen > 256) 2510 tnamelen = 256; 2511 /* XXX: may not be correct */ 2512 strncpy(tde->d_name, de->d_name, tnamelen); 2513 de = (struct dirent *)((char *)de + reclen); 2514 len -= reclen; 2515 tde = (struct dirent *)((char *)tde + treclen); 2516 count1 += treclen; 2517 } 2518 ret = count1; 2519 } 2520 free(dirp); 2521 } 2522 #else 2523 { 2524 struct dirent *dirp = (void *)arg2; 2525 long count = arg3; 2526 2527 ret = get_errno(sys_getdents(arg1, dirp, count)); 2528 if (!is_error(ret)) { 2529 struct dirent *de; 2530 int len = ret; 2531 int reclen; 2532 de = dirp; 2533 while (len > 0) { 2534 reclen = de->d_reclen; 2535 if (reclen > len) 2536 break; 2537 de->d_reclen = tswap16(reclen); 2538 tswapls(&de->d_ino); 2539 tswapls(&de->d_off); 2540 de = (struct dirent *)((char *)de + reclen); 2541 len -= reclen; 2542 } 2543 } 2544 } 2545 #endif 2546 break; 2547 #ifdef TARGET_NR_getdents64 2548 case TARGET_NR_getdents64: 2549 { 2550 struct dirent64 *dirp = (void *)arg2; 2551 long count = arg3; 2552 ret = get_errno(sys_getdents64(arg1, dirp, count)); 2553 if (!is_error(ret)) { 2554 struct dirent64 *de; 2555 int len = ret; 2556 int reclen; 2557 de = dirp; 2558 while (len > 0) { 2559 reclen = de->d_reclen; 2560 if (reclen > len) 2561 break; 2562 de->d_reclen = tswap16(reclen); 2563 tswap64s(&de->d_ino); 2564 tswap64s(&de->d_off); 2565 de = (struct dirent64 *)((char *)de + reclen); 2566 len -= reclen; 2567 } 2568 } 2569 } 2570 break; 2571 #endif /* TARGET_NR_getdents64 */ 2572 case TARGET_NR__newselect: 2573 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 2574 (void *)arg5); 2575 break; 2576 case TARGET_NR_poll: 2577 { 2578 struct target_pollfd *target_pfd = (void *)arg1; 2579 unsigned int nfds = arg2; 2580 int timeout = arg3; 2581 struct pollfd *pfd; 2582 unsigned int i; 2583 2584 pfd = alloca(sizeof(struct pollfd) * nfds); 2585 for(i = 0; i < nfds; i++) { 2586 pfd[i].fd = tswap32(target_pfd[i].fd); 2587 pfd[i].events = tswap16(target_pfd[i].events); 2588 } 2589 ret = get_errno(poll(pfd, nfds, timeout)); 2590 if (!is_error(ret)) { 2591 for(i = 0; i < nfds; i++) { 2592 target_pfd[i].revents = tswap16(pfd[i].revents); 2593 } 2594 } 2595 } 2596 break; 2597 case TARGET_NR_flock: 2598 /* NOTE: the flock constant seems to be the same for every 2599 Linux platform */ 2600 ret = get_errno(flock(arg1, arg2)); 2601 break; 2602 case TARGET_NR_readv: 2603 { 2604 int count = arg3; 2605 int i; 2606 struct iovec *vec; 2607 struct target_iovec *target_vec = (void *)arg2; 2608 2609 vec = alloca(count * sizeof(struct iovec)); 2610 for(i = 0;i < count; i++) { 2611 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 2612 vec[i].iov_len = tswapl(target_vec[i].iov_len); 2613 } 2614 ret = get_errno(readv(arg1, vec, count)); 2615 } 2616 break; 2617 case TARGET_NR_writev: 2618 { 2619 int count = arg3; 2620 int i; 2621 struct iovec *vec; 2622 struct target_iovec *target_vec = (void *)arg2; 2623 2624 vec = alloca(count * sizeof(struct iovec)); 2625 for(i = 0;i < count; i++) { 2626 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 2627 vec[i].iov_len = tswapl(target_vec[i].iov_len); 2628 } 2629 ret = get_errno(writev(arg1, vec, count)); 2630 } 2631 break; 2632 case TARGET_NR_getsid: 2633 ret = get_errno(getsid(arg1)); 2634 break; 2635 case TARGET_NR_fdatasync: 2636 ret = get_errno(fdatasync(arg1)); 2637 break; 2638 case TARGET_NR__sysctl: 2639 /* We don't implement this, but ENODIR is always a safe 2640 return value. */ 2641 return -ENOTDIR; 2642 case TARGET_NR_sched_setparam: 2643 { 2644 struct sched_param *target_schp = (void *)arg2; 2645 struct sched_param schp; 2646 schp.sched_priority = tswap32(target_schp->sched_priority); 2647 ret = get_errno(sched_setparam(arg1, &schp)); 2648 } 2649 break; 2650 case TARGET_NR_sched_getparam: 2651 { 2652 struct sched_param *target_schp = (void *)arg2; 2653 struct sched_param schp; 2654 ret = get_errno(sched_getparam(arg1, &schp)); 2655 if (!is_error(ret)) { 2656 target_schp->sched_priority = tswap32(schp.sched_priority); 2657 } 2658 } 2659 break; 2660 case TARGET_NR_sched_setscheduler: 2661 { 2662 struct sched_param *target_schp = (void *)arg3; 2663 struct sched_param schp; 2664 schp.sched_priority = tswap32(target_schp->sched_priority); 2665 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 2666 } 2667 break; 2668 case TARGET_NR_sched_getscheduler: 2669 ret = get_errno(sched_getscheduler(arg1)); 2670 break; 2671 case TARGET_NR_sched_yield: 2672 ret = get_errno(sched_yield()); 2673 break; 2674 case TARGET_NR_sched_get_priority_max: 2675 ret = get_errno(sched_get_priority_max(arg1)); 2676 break; 2677 case TARGET_NR_sched_get_priority_min: 2678 ret = get_errno(sched_get_priority_min(arg1)); 2679 break; 2680 case TARGET_NR_sched_rr_get_interval: 2681 { 2682 struct target_timespec *target_ts = (void *)arg2; 2683 struct timespec ts; 2684 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 2685 if (!is_error(ret)) { 2686 target_ts->tv_sec = tswapl(ts.tv_sec); 2687 target_ts->tv_nsec = tswapl(ts.tv_nsec); 2688 } 2689 } 2690 break; 2691 case TARGET_NR_nanosleep: 2692 { 2693 struct target_timespec *target_req = (void *)arg1; 2694 struct target_timespec *target_rem = (void *)arg2; 2695 struct timespec req, rem; 2696 req.tv_sec = tswapl(target_req->tv_sec); 2697 req.tv_nsec = tswapl(target_req->tv_nsec); 2698 ret = get_errno(nanosleep(&req, &rem)); 2699 if (is_error(ret) && target_rem) { 2700 target_rem->tv_sec = tswapl(rem.tv_sec); 2701 target_rem->tv_nsec = tswapl(rem.tv_nsec); 2702 } 2703 } 2704 break; 2705 case TARGET_NR_query_module: 2706 goto unimplemented; 2707 case TARGET_NR_nfsservctl: 2708 goto unimplemented; 2709 case TARGET_NR_prctl: 2710 goto unimplemented; 2711 #ifdef TARGET_NR_pread 2712 case TARGET_NR_pread: 2713 page_unprotect_range((void *)arg2, arg3); 2714 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4)); 2715 break; 2716 case TARGET_NR_pwrite: 2717 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4)); 2718 break; 2719 #endif 2720 case TARGET_NR_getcwd: 2721 ret = get_errno(sys_getcwd1((char *)arg1, arg2)); 2722 break; 2723 case TARGET_NR_capget: 2724 goto unimplemented; 2725 case TARGET_NR_capset: 2726 goto unimplemented; 2727 case TARGET_NR_sigaltstack: 2728 goto unimplemented; 2729 case TARGET_NR_sendfile: 2730 goto unimplemented; 2731 #ifdef TARGET_NR_getpmsg 2732 case TARGET_NR_getpmsg: 2733 goto unimplemented; 2734 #endif 2735 #ifdef TARGET_NR_putpmsg 2736 case TARGET_NR_putpmsg: 2737 goto unimplemented; 2738 #endif 2739 case TARGET_NR_vfork: 2740 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 2741 break; 2742 #ifdef TARGET_NR_ugetrlimit 2743 case TARGET_NR_ugetrlimit: 2744 { 2745 struct rlimit rlim; 2746 ret = get_errno(getrlimit(arg1, &rlim)); 2747 if (!is_error(ret)) { 2748 struct target_rlimit *target_rlim = (void *)arg2; 2749 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 2750 target_rlim->rlim_max = tswapl(rlim.rlim_max); 2751 } 2752 break; 2753 } 2754 #endif 2755 #ifdef TARGET_NR_truncate64 2756 case TARGET_NR_truncate64: 2757 goto unimplemented; 2758 #endif 2759 #ifdef TARGET_NR_ftruncate64 2760 case TARGET_NR_ftruncate64: 2761 goto unimplemented; 2762 #endif 2763 #ifdef TARGET_NR_stat64 2764 case TARGET_NR_stat64: 2765 ret = get_errno(stat(path((const char *)arg1), &st)); 2766 goto do_stat64; 2767 #endif 2768 #ifdef TARGET_NR_lstat64 2769 case TARGET_NR_lstat64: 2770 ret = get_errno(lstat(path((const char *)arg1), &st)); 2771 goto do_stat64; 2772 #endif 2773 #ifdef TARGET_NR_fstat64 2774 case TARGET_NR_fstat64: 2775 { 2776 ret = get_errno(fstat(arg1, &st)); 2777 do_stat64: 2778 if (!is_error(ret)) { 2779 struct target_stat64 *target_st = (void *)arg2; 2780 memset(target_st, 0, sizeof(struct target_stat64)); 2781 put_user(st.st_dev, &target_st->st_dev); 2782 put_user(st.st_ino, &target_st->st_ino); 2783 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 2784 put_user(st.st_ino, &target_st->__st_ino); 2785 #endif 2786 put_user(st.st_mode, &target_st->st_mode); 2787 put_user(st.st_nlink, &target_st->st_nlink); 2788 put_user(st.st_uid, &target_st->st_uid); 2789 put_user(st.st_gid, &target_st->st_gid); 2790 put_user(st.st_rdev, &target_st->st_rdev); 2791 /* XXX: better use of kernel struct */ 2792 put_user(st.st_size, &target_st->st_size); 2793 put_user(st.st_blksize, &target_st->st_blksize); 2794 put_user(st.st_blocks, &target_st->st_blocks); 2795 put_user(st.st_atime, &target_st->target_st_atime); 2796 put_user(st.st_mtime, &target_st->target_st_mtime); 2797 put_user(st.st_ctime, &target_st->target_st_ctime); 2798 } 2799 } 2800 break; 2801 #endif 2802 #ifdef USE_UID16 2803 case TARGET_NR_lchown: 2804 ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); 2805 break; 2806 case TARGET_NR_getuid: 2807 ret = get_errno(high2lowuid(getuid())); 2808 break; 2809 case TARGET_NR_getgid: 2810 ret = get_errno(high2lowgid(getgid())); 2811 break; 2812 case TARGET_NR_geteuid: 2813 ret = get_errno(high2lowuid(geteuid())); 2814 break; 2815 case TARGET_NR_getegid: 2816 ret = get_errno(high2lowgid(getegid())); 2817 break; 2818 case TARGET_NR_setreuid: 2819 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 2820 break; 2821 case TARGET_NR_setregid: 2822 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 2823 break; 2824 case TARGET_NR_getgroups: 2825 { 2826 int gidsetsize = arg1; 2827 uint16_t *target_grouplist = (void *)arg2; 2828 gid_t *grouplist; 2829 int i; 2830 2831 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2832 ret = get_errno(getgroups(gidsetsize, grouplist)); 2833 if (!is_error(ret)) { 2834 for(i = 0;i < gidsetsize; i++) 2835 target_grouplist[i] = tswap16(grouplist[i]); 2836 } 2837 } 2838 break; 2839 case TARGET_NR_setgroups: 2840 { 2841 int gidsetsize = arg1; 2842 uint16_t *target_grouplist = (void *)arg2; 2843 gid_t *grouplist; 2844 int i; 2845 2846 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2847 for(i = 0;i < gidsetsize; i++) 2848 grouplist[i] = tswap16(target_grouplist[i]); 2849 ret = get_errno(setgroups(gidsetsize, grouplist)); 2850 } 2851 break; 2852 case TARGET_NR_fchown: 2853 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 2854 break; 2855 #ifdef TARGET_NR_setresuid 2856 case TARGET_NR_setresuid: 2857 ret = get_errno(setresuid(low2highuid(arg1), 2858 low2highuid(arg2), 2859 low2highuid(arg3))); 2860 break; 2861 #endif 2862 #ifdef TARGET_NR_getresuid 2863 case TARGET_NR_getresuid: 2864 { 2865 int ruid, euid, suid; 2866 ret = get_errno(getresuid(&ruid, &euid, &suid)); 2867 if (!is_error(ret)) { 2868 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid)); 2869 *(uint16_t *)arg2 = tswap16(high2lowuid(euid)); 2870 *(uint16_t *)arg3 = tswap16(high2lowuid(suid)); 2871 } 2872 } 2873 break; 2874 #endif 2875 #ifdef TARGET_NR_getresgid 2876 case TARGET_NR_setresgid: 2877 ret = get_errno(setresgid(low2highgid(arg1), 2878 low2highgid(arg2), 2879 low2highgid(arg3))); 2880 break; 2881 #endif 2882 #ifdef TARGET_NR_getresgid 2883 case TARGET_NR_getresgid: 2884 { 2885 int rgid, egid, sgid; 2886 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 2887 if (!is_error(ret)) { 2888 *(uint16_t *)arg1 = tswap16(high2lowgid(rgid)); 2889 *(uint16_t *)arg2 = tswap16(high2lowgid(egid)); 2890 *(uint16_t *)arg3 = tswap16(high2lowgid(sgid)); 2891 } 2892 } 2893 break; 2894 #endif 2895 case TARGET_NR_chown: 2896 ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); 2897 break; 2898 case TARGET_NR_setuid: 2899 ret = get_errno(setuid(low2highuid(arg1))); 2900 break; 2901 case TARGET_NR_setgid: 2902 ret = get_errno(setgid(low2highgid(arg1))); 2903 break; 2904 case TARGET_NR_setfsuid: 2905 ret = get_errno(setfsuid(arg1)); 2906 break; 2907 case TARGET_NR_setfsgid: 2908 ret = get_errno(setfsgid(arg1)); 2909 break; 2910 #endif /* USE_UID16 */ 2911 2912 #ifdef TARGET_NR_lchown32 2913 case TARGET_NR_lchown32: 2914 ret = get_errno(lchown((const char *)arg1, arg2, arg3)); 2915 break; 2916 #endif 2917 #ifdef TARGET_NR_getuid32 2918 case TARGET_NR_getuid32: 2919 ret = get_errno(getuid()); 2920 break; 2921 #endif 2922 #ifdef TARGET_NR_getgid32 2923 case TARGET_NR_getgid32: 2924 ret = get_errno(getgid()); 2925 break; 2926 #endif 2927 #ifdef TARGET_NR_geteuid32 2928 case TARGET_NR_geteuid32: 2929 ret = get_errno(geteuid()); 2930 break; 2931 #endif 2932 #ifdef TARGET_NR_getegid32 2933 case TARGET_NR_getegid32: 2934 ret = get_errno(getegid()); 2935 break; 2936 #endif 2937 #ifdef TARGET_NR_setreuid32 2938 case TARGET_NR_setreuid32: 2939 ret = get_errno(setreuid(arg1, arg2)); 2940 break; 2941 #endif 2942 #ifdef TARGET_NR_setregid32 2943 case TARGET_NR_setregid32: 2944 ret = get_errno(setregid(arg1, arg2)); 2945 break; 2946 #endif 2947 #ifdef TARGET_NR_getgroups32 2948 case TARGET_NR_getgroups32: 2949 { 2950 int gidsetsize = arg1; 2951 uint32_t *target_grouplist = (void *)arg2; 2952 gid_t *grouplist; 2953 int i; 2954 2955 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2956 ret = get_errno(getgroups(gidsetsize, grouplist)); 2957 if (!is_error(ret)) { 2958 for(i = 0;i < gidsetsize; i++) 2959 put_user(grouplist[i], &target_grouplist[i]); 2960 } 2961 } 2962 break; 2963 #endif 2964 #ifdef TARGET_NR_setgroups32 2965 case TARGET_NR_setgroups32: 2966 { 2967 int gidsetsize = arg1; 2968 uint32_t *target_grouplist = (void *)arg2; 2969 gid_t *grouplist; 2970 int i; 2971 2972 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2973 for(i = 0;i < gidsetsize; i++) 2974 get_user(grouplist[i], &target_grouplist[i]); 2975 ret = get_errno(setgroups(gidsetsize, grouplist)); 2976 } 2977 break; 2978 #endif 2979 #ifdef TARGET_NR_fchown32 2980 case TARGET_NR_fchown32: 2981 ret = get_errno(fchown(arg1, arg2, arg3)); 2982 break; 2983 #endif 2984 #ifdef TARGET_NR_setresuid32 2985 case TARGET_NR_setresuid32: 2986 ret = get_errno(setresuid(arg1, arg2, arg3)); 2987 break; 2988 #endif 2989 #ifdef TARGET_NR_getresuid32 2990 case TARGET_NR_getresuid32: 2991 { 2992 int ruid, euid, suid; 2993 ret = get_errno(getresuid(&ruid, &euid, &suid)); 2994 if (!is_error(ret)) { 2995 *(uint32_t *)arg1 = tswap32(ruid); 2996 *(uint32_t *)arg2 = tswap32(euid); 2997 *(uint32_t *)arg3 = tswap32(suid); 2998 } 2999 } 3000 break; 3001 #endif 3002 #ifdef TARGET_NR_setresgid32 3003 case TARGET_NR_setresgid32: 3004 ret = get_errno(setresgid(arg1, arg2, arg3)); 3005 break; 3006 #endif 3007 #ifdef TARGET_NR_getresgid32 3008 case TARGET_NR_getresgid32: 3009 { 3010 int rgid, egid, sgid; 3011 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 3012 if (!is_error(ret)) { 3013 *(uint32_t *)arg1 = tswap32(rgid); 3014 *(uint32_t *)arg2 = tswap32(egid); 3015 *(uint32_t *)arg3 = tswap32(sgid); 3016 } 3017 } 3018 break; 3019 #endif 3020 #ifdef TARGET_NR_chown32 3021 case TARGET_NR_chown32: 3022 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 3023 break; 3024 #endif 3025 #ifdef TARGET_NR_setuid32 3026 case TARGET_NR_setuid32: 3027 ret = get_errno(setuid(arg1)); 3028 break; 3029 #endif 3030 #ifdef TARGET_NR_setgid32 3031 case TARGET_NR_setgid32: 3032 ret = get_errno(setgid(arg1)); 3033 break; 3034 #endif 3035 #ifdef TARGET_NR_setfsuid32 3036 case TARGET_NR_setfsuid32: 3037 ret = get_errno(setfsuid(arg1)); 3038 break; 3039 #endif 3040 #ifdef TARGET_NR_setfsgid32 3041 case TARGET_NR_setfsgid32: 3042 ret = get_errno(setfsgid(arg1)); 3043 break; 3044 #endif 3045 3046 case TARGET_NR_pivot_root: 3047 goto unimplemented; 3048 #ifdef TARGET_NR_mincore 3049 case TARGET_NR_mincore: 3050 goto unimplemented; 3051 #endif 3052 #ifdef TARGET_NR_madvise 3053 case TARGET_NR_madvise: 3054 goto unimplemented; 3055 #endif 3056 #if TARGET_LONG_BITS == 32 3057 case TARGET_NR_fcntl64: 3058 { 3059 struct flock64 fl; 3060 struct target_flock64 *target_fl = (void *)arg3; 3061 3062 switch(arg2) { 3063 case F_GETLK64: 3064 ret = get_errno(fcntl(arg1, arg2, &fl)); 3065 if (ret == 0) { 3066 target_fl->l_type = tswap16(fl.l_type); 3067 target_fl->l_whence = tswap16(fl.l_whence); 3068 target_fl->l_start = tswap64(fl.l_start); 3069 target_fl->l_len = tswap64(fl.l_len); 3070 target_fl->l_pid = tswapl(fl.l_pid); 3071 } 3072 break; 3073 3074 case F_SETLK64: 3075 case F_SETLKW64: 3076 fl.l_type = tswap16(target_fl->l_type); 3077 fl.l_whence = tswap16(target_fl->l_whence); 3078 fl.l_start = tswap64(target_fl->l_start); 3079 fl.l_len = tswap64(target_fl->l_len); 3080 fl.l_pid = tswapl(target_fl->l_pid); 3081 ret = get_errno(fcntl(arg1, arg2, &fl)); 3082 break; 3083 default: 3084 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 3085 break; 3086 } 3087 break; 3088 } 3089 #endif 3090 #ifdef TARGET_NR_security 3091 case TARGET_NR_security: 3092 goto unimplemented; 3093 #endif 3094 #ifdef TARGET_NR_getpagesize 3095 case TARGET_NR_getpagesize: 3096 ret = TARGET_PAGE_SIZE; 3097 break; 3098 #endif 3099 case TARGET_NR_gettid: 3100 ret = get_errno(gettid()); 3101 break; 3102 case TARGET_NR_readahead: 3103 goto unimplemented; 3104 #ifdef TARGET_NR_setxattr 3105 case TARGET_NR_setxattr: 3106 case TARGET_NR_lsetxattr: 3107 case TARGET_NR_fsetxattr: 3108 case TARGET_NR_getxattr: 3109 case TARGET_NR_lgetxattr: 3110 case TARGET_NR_fgetxattr: 3111 case TARGET_NR_listxattr: 3112 case TARGET_NR_llistxattr: 3113 case TARGET_NR_flistxattr: 3114 case TARGET_NR_removexattr: 3115 case TARGET_NR_lremovexattr: 3116 case TARGET_NR_fremovexattr: 3117 goto unimplemented_nowarn; 3118 #endif 3119 #ifdef TARGET_NR_set_thread_area 3120 case TARGET_NR_set_thread_area: 3121 case TARGET_NR_get_thread_area: 3122 goto unimplemented_nowarn; 3123 #endif 3124 default: 3125 unimplemented: 3126 gemu_log("qemu: Unsupported syscall: %d\n", num); 3127 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) 3128 unimplemented_nowarn: 3129 #endif 3130 ret = -ENOSYS; 3131 break; 3132 } 3133 fail: 3134 #ifdef DEBUG 3135 gemu_log(" = %ld\n", ret); 3136 #endif 3137 return ret; 3138 } 3139 3140