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_TOS: 551 case IP_TTL: 552 case IP_HDRINCL: 553 case IP_ROUTER_ALERT: 554 case IP_RECVOPTS: 555 case IP_RETOPTS: 556 case IP_PKTINFO: 557 case IP_MTU_DISCOVER: 558 case IP_RECVERR: 559 case IP_RECVTOS: 560 #ifdef IP_FREEBIND 561 case IP_FREEBIND: 562 #endif 563 case IP_MULTICAST_TTL: 564 case IP_MULTICAST_LOOP: 565 val = 0; 566 if (optlen >= sizeof(uint32_t)) { 567 if (get_user(val, (uint32_t *)optval)) 568 return -EFAULT; 569 } else if (optlen >= 1) { 570 if (get_user(val, (uint8_t *)optval)) 571 return -EFAULT; 572 } 573 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 574 break; 575 default: 576 goto unimplemented; 577 } 578 break; 579 case SOL_SOCKET: 580 switch (optname) { 581 /* Options with 'int' argument. */ 582 case SO_DEBUG: 583 case SO_REUSEADDR: 584 case SO_TYPE: 585 case SO_ERROR: 586 case SO_DONTROUTE: 587 case SO_BROADCAST: 588 case SO_SNDBUF: 589 case SO_RCVBUF: 590 case SO_KEEPALIVE: 591 case SO_OOBINLINE: 592 case SO_NO_CHECK: 593 case SO_PRIORITY: 594 #ifdef SO_BSDCOMPAT 595 case SO_BSDCOMPAT: 596 #endif 597 case SO_PASSCRED: 598 case SO_TIMESTAMP: 599 case SO_RCVLOWAT: 600 case SO_RCVTIMEO: 601 case SO_SNDTIMEO: 602 if (optlen < sizeof(uint32_t)) 603 return -EINVAL; 604 if (get_user(val, (uint32_t *)optval)) 605 return -EFAULT; 606 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 607 break; 608 default: 609 goto unimplemented; 610 } 611 break; 612 default: 613 unimplemented: 614 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); 615 ret = -ENOSYS; 616 } 617 return ret; 618 } 619 620 static long do_getsockopt(int sockfd, int level, int optname, 621 void *optval, socklen_t *optlen) 622 { 623 int len, lv, val, ret; 624 625 switch(level) { 626 case SOL_SOCKET: 627 switch (optname) { 628 case SO_LINGER: 629 case SO_RCVTIMEO: 630 case SO_SNDTIMEO: 631 case SO_PEERCRED: 632 case SO_PEERNAME: 633 /* These don't just return a single integer */ 634 goto unimplemented; 635 default: 636 goto int_case; 637 } 638 break; 639 case SOL_TCP: 640 /* TCP options all take an 'int' value. */ 641 int_case: 642 if (get_user(len, optlen)) 643 return -EFAULT; 644 if (len < 0) 645 return -EINVAL; 646 lv = sizeof(int); 647 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 648 if (ret < 0) 649 return ret; 650 val = tswap32(val); 651 if (len > lv) 652 len = lv; 653 if (copy_to_user(optval, &val, len)) 654 return -EFAULT; 655 if (put_user(len, optlen)) 656 return -EFAULT; 657 break; 658 case SOL_IP: 659 switch(optname) { 660 case IP_TOS: 661 case IP_TTL: 662 case IP_HDRINCL: 663 case IP_ROUTER_ALERT: 664 case IP_RECVOPTS: 665 case IP_RETOPTS: 666 case IP_PKTINFO: 667 case IP_MTU_DISCOVER: 668 case IP_RECVERR: 669 case IP_RECVTOS: 670 #ifdef IP_FREEBIND 671 case IP_FREEBIND: 672 #endif 673 case IP_MULTICAST_TTL: 674 case IP_MULTICAST_LOOP: 675 if (get_user(len, optlen)) 676 return -EFAULT; 677 if (len < 0) 678 return -EINVAL; 679 lv = sizeof(int); 680 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 681 if (ret < 0) 682 return ret; 683 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { 684 unsigned char ucval = val; 685 len = 1; 686 if (put_user(len, optlen)) 687 return -EFAULT; 688 if (copy_to_user(optval,&ucval,1)) 689 return -EFAULT; 690 } else { 691 val = tswap32(val); 692 if (len > sizeof(int)) 693 len = sizeof(int); 694 if (put_user(len, optlen)) 695 return -EFAULT; 696 if (copy_to_user(optval, &val, len)) 697 return -EFAULT; 698 } 699 break; 700 default: 701 goto unimplemented; 702 } 703 break; 704 default: 705 unimplemented: 706 gemu_log("getsockopt level=%d optname=%d not yet supported\n", 707 level, optname); 708 ret = -ENOSYS; 709 break; 710 } 711 return ret; 712 } 713 714 static long do_socketcall(int num, int32_t *vptr) 715 { 716 long ret; 717 718 switch(num) { 719 case SOCKOP_socket: 720 { 721 int domain = tswap32(vptr[0]); 722 int type = tswap32(vptr[1]); 723 int protocol = tswap32(vptr[2]); 724 725 ret = get_errno(socket(domain, type, protocol)); 726 } 727 break; 728 case SOCKOP_bind: 729 { 730 int sockfd = tswap32(vptr[0]); 731 void *target_addr = (void *)tswap32(vptr[1]); 732 socklen_t addrlen = tswap32(vptr[2]); 733 void *addr = alloca(addrlen); 734 735 target_to_host_sockaddr(addr, target_addr, addrlen); 736 ret = get_errno(bind(sockfd, addr, addrlen)); 737 } 738 break; 739 case SOCKOP_connect: 740 { 741 int sockfd = tswap32(vptr[0]); 742 void *target_addr = (void *)tswap32(vptr[1]); 743 socklen_t addrlen = tswap32(vptr[2]); 744 void *addr = alloca(addrlen); 745 746 target_to_host_sockaddr(addr, target_addr, addrlen); 747 ret = get_errno(connect(sockfd, addr, addrlen)); 748 } 749 break; 750 case SOCKOP_listen: 751 { 752 int sockfd = tswap32(vptr[0]); 753 int backlog = tswap32(vptr[1]); 754 755 ret = get_errno(listen(sockfd, backlog)); 756 } 757 break; 758 case SOCKOP_accept: 759 { 760 int sockfd = tswap32(vptr[0]); 761 void *target_addr = (void *)tswap32(vptr[1]); 762 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 763 socklen_t addrlen = tswap32(*target_addrlen); 764 void *addr = alloca(addrlen); 765 766 ret = get_errno(accept(sockfd, addr, &addrlen)); 767 if (!is_error(ret)) { 768 host_to_target_sockaddr(target_addr, addr, addrlen); 769 *target_addrlen = tswap32(addrlen); 770 } 771 } 772 break; 773 case SOCKOP_getsockname: 774 { 775 int sockfd = tswap32(vptr[0]); 776 void *target_addr = (void *)tswap32(vptr[1]); 777 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 778 socklen_t addrlen = tswap32(*target_addrlen); 779 void *addr = alloca(addrlen); 780 781 ret = get_errno(getsockname(sockfd, addr, &addrlen)); 782 if (!is_error(ret)) { 783 host_to_target_sockaddr(target_addr, addr, addrlen); 784 *target_addrlen = tswap32(addrlen); 785 } 786 } 787 break; 788 case SOCKOP_getpeername: 789 { 790 int sockfd = tswap32(vptr[0]); 791 void *target_addr = (void *)tswap32(vptr[1]); 792 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 793 socklen_t addrlen = tswap32(*target_addrlen); 794 void *addr = alloca(addrlen); 795 796 ret = get_errno(getpeername(sockfd, addr, &addrlen)); 797 if (!is_error(ret)) { 798 host_to_target_sockaddr(target_addr, addr, addrlen); 799 *target_addrlen = tswap32(addrlen); 800 } 801 } 802 break; 803 case SOCKOP_socketpair: 804 { 805 int domain = tswap32(vptr[0]); 806 int type = tswap32(vptr[1]); 807 int protocol = tswap32(vptr[2]); 808 int32_t *target_tab = (void *)tswap32(vptr[3]); 809 int tab[2]; 810 811 ret = get_errno(socketpair(domain, type, protocol, tab)); 812 if (!is_error(ret)) { 813 target_tab[0] = tswap32(tab[0]); 814 target_tab[1] = tswap32(tab[1]); 815 } 816 } 817 break; 818 case SOCKOP_send: 819 { 820 int sockfd = tswap32(vptr[0]); 821 void *msg = (void *)tswap32(vptr[1]); 822 size_t len = tswap32(vptr[2]); 823 int flags = tswap32(vptr[3]); 824 825 ret = get_errno(send(sockfd, msg, len, flags)); 826 } 827 break; 828 case SOCKOP_recv: 829 { 830 int sockfd = tswap32(vptr[0]); 831 void *msg = (void *)tswap32(vptr[1]); 832 size_t len = tswap32(vptr[2]); 833 int flags = tswap32(vptr[3]); 834 835 ret = get_errno(recv(sockfd, msg, len, flags)); 836 } 837 break; 838 case SOCKOP_sendto: 839 { 840 int sockfd = tswap32(vptr[0]); 841 void *msg = (void *)tswap32(vptr[1]); 842 size_t len = tswap32(vptr[2]); 843 int flags = tswap32(vptr[3]); 844 void *target_addr = (void *)tswap32(vptr[4]); 845 socklen_t addrlen = tswap32(vptr[5]); 846 void *addr = alloca(addrlen); 847 848 target_to_host_sockaddr(addr, target_addr, addrlen); 849 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen)); 850 } 851 break; 852 case SOCKOP_recvfrom: 853 { 854 int sockfd = tswap32(vptr[0]); 855 void *msg = (void *)tswap32(vptr[1]); 856 size_t len = tswap32(vptr[2]); 857 int flags = tswap32(vptr[3]); 858 void *target_addr = (void *)tswap32(vptr[4]); 859 uint32_t *target_addrlen = (void *)tswap32(vptr[5]); 860 socklen_t addrlen = tswap32(*target_addrlen); 861 void *addr = alloca(addrlen); 862 863 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen)); 864 if (!is_error(ret)) { 865 host_to_target_sockaddr(target_addr, addr, addrlen); 866 *target_addrlen = tswap32(addrlen); 867 } 868 } 869 break; 870 case SOCKOP_shutdown: 871 { 872 int sockfd = tswap32(vptr[0]); 873 int how = tswap32(vptr[1]); 874 875 ret = get_errno(shutdown(sockfd, how)); 876 } 877 break; 878 case SOCKOP_sendmsg: 879 case SOCKOP_recvmsg: 880 { 881 int fd; 882 struct target_msghdr *msgp; 883 struct msghdr msg; 884 int flags, count, i; 885 struct iovec *vec; 886 struct target_iovec *target_vec; 887 888 msgp = (void *)tswap32(vptr[1]); 889 msg.msg_name = (void *)tswapl(msgp->msg_name); 890 msg.msg_namelen = tswapl(msgp->msg_namelen); 891 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); 892 msg.msg_control = alloca(msg.msg_controllen); 893 msg.msg_flags = tswap32(msgp->msg_flags); 894 895 count = tswapl(msgp->msg_iovlen); 896 vec = alloca(count * sizeof(struct iovec)); 897 target_vec = (void *)tswapl(msgp->msg_iov); 898 for(i = 0;i < count; i++) { 899 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 900 vec[i].iov_len = tswapl(target_vec[i].iov_len); 901 } 902 msg.msg_iovlen = count; 903 msg.msg_iov = vec; 904 905 fd = tswap32(vptr[0]); 906 flags = tswap32(vptr[2]); 907 if (num == SOCKOP_sendmsg) { 908 target_to_host_cmsg(&msg, msgp); 909 ret = get_errno(sendmsg(fd, &msg, flags)); 910 } else { 911 ret = get_errno(recvmsg(fd, &msg, flags)); 912 if (!is_error(ret)) 913 host_to_target_cmsg(msgp, &msg); 914 } 915 } 916 break; 917 case SOCKOP_setsockopt: 918 { 919 int sockfd = tswap32(vptr[0]); 920 int level = tswap32(vptr[1]); 921 int optname = tswap32(vptr[2]); 922 void *optval = (void *)tswap32(vptr[3]); 923 socklen_t optlen = tswap32(vptr[4]); 924 925 ret = do_setsockopt(sockfd, level, optname, optval, optlen); 926 } 927 break; 928 case SOCKOP_getsockopt: 929 { 930 int sockfd = tswap32(vptr[0]); 931 int level = tswap32(vptr[1]); 932 int optname = tswap32(vptr[2]); 933 void *optval = (void *)tswap32(vptr[3]); 934 uint32_t *poptlen = (void *)tswap32(vptr[4]); 935 936 ret = do_getsockopt(sockfd, level, optname, optval, poptlen); 937 } 938 break; 939 default: 940 gemu_log("Unsupported socketcall: %d\n", num); 941 ret = -ENOSYS; 942 break; 943 } 944 return ret; 945 } 946 947 948 #define N_SHM_REGIONS 32 949 950 static struct shm_region { 951 uint32_t start; 952 uint32_t size; 953 } shm_regions[N_SHM_REGIONS]; 954 955 static long do_ipc(long call, long first, long second, long third, 956 long ptr, long fifth) 957 { 958 int version; 959 long ret = 0; 960 unsigned long raddr; 961 struct shmid_ds shm_info; 962 int i; 963 964 version = call >> 16; 965 call &= 0xffff; 966 967 switch (call) { 968 case IPCOP_shmat: 969 /* SHM_* flags are the same on all linux platforms */ 970 ret = get_errno((long) shmat(first, (void *) ptr, second)); 971 if (is_error(ret)) 972 break; 973 raddr = ret; 974 /* find out the length of the shared memory segment */ 975 976 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 977 if (is_error(ret)) { 978 /* can't get length, bail out */ 979 shmdt((void *) raddr); 980 break; 981 } 982 page_set_flags(raddr, raddr + shm_info.shm_segsz, 983 PAGE_VALID | PAGE_READ | 984 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 985 for (i = 0; i < N_SHM_REGIONS; ++i) { 986 if (shm_regions[i].start == 0) { 987 shm_regions[i].start = raddr; 988 shm_regions[i].size = shm_info.shm_segsz; 989 break; 990 } 991 } 992 if (put_user(raddr, (uint32_t *)third)) 993 return -EFAULT; 994 ret = 0; 995 break; 996 case IPCOP_shmdt: 997 for (i = 0; i < N_SHM_REGIONS; ++i) { 998 if (shm_regions[i].start == ptr) { 999 shm_regions[i].start = 0; 1000 page_set_flags(ptr, shm_regions[i].size, 0); 1001 break; 1002 } 1003 } 1004 ret = get_errno(shmdt((void *) ptr)); 1005 break; 1006 1007 case IPCOP_shmget: 1008 /* IPC_* flag values are the same on all linux platforms */ 1009 ret = get_errno(shmget(first, second, third)); 1010 break; 1011 1012 /* IPC_* and SHM_* command values are the same on all linux platforms */ 1013 case IPCOP_shmctl: 1014 switch(second) { 1015 case IPC_RMID: 1016 case SHM_LOCK: 1017 case SHM_UNLOCK: 1018 ret = get_errno(shmctl(first, second, NULL)); 1019 break; 1020 default: 1021 goto unimplemented; 1022 } 1023 break; 1024 default: 1025 unimplemented: 1026 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version); 1027 ret = -ENOSYS; 1028 break; 1029 } 1030 return ret; 1031 } 1032 1033 /* kernel structure types definitions */ 1034 #define IFNAMSIZ 16 1035 1036 #define STRUCT(name, list...) STRUCT_ ## name, 1037 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 1038 enum { 1039 #include "syscall_types.h" 1040 }; 1041 #undef STRUCT 1042 #undef STRUCT_SPECIAL 1043 1044 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 1045 #define STRUCT_SPECIAL(name) 1046 #include "syscall_types.h" 1047 #undef STRUCT 1048 #undef STRUCT_SPECIAL 1049 1050 typedef struct IOCTLEntry { 1051 unsigned int target_cmd; 1052 unsigned int host_cmd; 1053 const char *name; 1054 int access; 1055 const argtype arg_type[5]; 1056 } IOCTLEntry; 1057 1058 #define IOC_R 0x0001 1059 #define IOC_W 0x0002 1060 #define IOC_RW (IOC_R | IOC_W) 1061 1062 #define MAX_STRUCT_SIZE 4096 1063 1064 IOCTLEntry ioctl_entries[] = { 1065 #define IOCTL(cmd, access, types...) \ 1066 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 1067 #include "ioctls.h" 1068 { 0, 0, }, 1069 }; 1070 1071 static long do_ioctl(long fd, long cmd, long arg) 1072 { 1073 const IOCTLEntry *ie; 1074 const argtype *arg_type; 1075 long ret; 1076 uint8_t buf_temp[MAX_STRUCT_SIZE]; 1077 1078 ie = ioctl_entries; 1079 for(;;) { 1080 if (ie->target_cmd == 0) { 1081 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); 1082 return -ENOSYS; 1083 } 1084 if (ie->target_cmd == cmd) 1085 break; 1086 ie++; 1087 } 1088 arg_type = ie->arg_type; 1089 #if defined(DEBUG) 1090 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); 1091 #endif 1092 switch(arg_type[0]) { 1093 case TYPE_NULL: 1094 /* no argument */ 1095 ret = get_errno(ioctl(fd, ie->host_cmd)); 1096 break; 1097 case TYPE_PTRVOID: 1098 case TYPE_INT: 1099 /* int argment */ 1100 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 1101 break; 1102 case TYPE_PTR: 1103 arg_type++; 1104 switch(ie->access) { 1105 case IOC_R: 1106 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1107 if (!is_error(ret)) { 1108 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 1109 } 1110 break; 1111 case IOC_W: 1112 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 1113 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1114 break; 1115 default: 1116 case IOC_RW: 1117 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 1118 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1119 if (!is_error(ret)) { 1120 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 1121 } 1122 break; 1123 } 1124 break; 1125 default: 1126 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); 1127 ret = -ENOSYS; 1128 break; 1129 } 1130 return ret; 1131 } 1132 1133 bitmask_transtbl iflag_tbl[] = { 1134 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 1135 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 1136 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 1137 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 1138 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 1139 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 1140 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 1141 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 1142 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 1143 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 1144 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 1145 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 1146 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 1147 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 1148 { 0, 0, 0, 0 } 1149 }; 1150 1151 bitmask_transtbl oflag_tbl[] = { 1152 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 1153 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 1154 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 1155 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 1156 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 1157 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 1158 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 1159 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 1160 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 1161 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 1162 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 1163 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 1164 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 1165 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 1166 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 1167 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 1168 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 1169 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 1170 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 1171 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 1172 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 1173 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 1174 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 1175 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 1176 { 0, 0, 0, 0 } 1177 }; 1178 1179 bitmask_transtbl cflag_tbl[] = { 1180 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 1181 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 1182 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 1183 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 1184 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 1185 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 1186 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 1187 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 1188 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 1189 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 1190 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 1191 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 1192 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 1193 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 1194 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 1195 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 1196 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 1197 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 1198 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 1199 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 1200 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 1201 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 1202 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 1203 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 1204 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 1205 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 1206 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 1207 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 1208 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 1209 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 1210 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 1211 { 0, 0, 0, 0 } 1212 }; 1213 1214 bitmask_transtbl lflag_tbl[] = { 1215 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 1216 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 1217 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 1218 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 1219 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 1220 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 1221 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 1222 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 1223 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 1224 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 1225 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 1226 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 1227 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 1228 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 1229 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 1230 { 0, 0, 0, 0 } 1231 }; 1232 1233 static void target_to_host_termios (void *dst, const void *src) 1234 { 1235 struct host_termios *host = dst; 1236 const struct target_termios *target = src; 1237 1238 host->c_iflag = 1239 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 1240 host->c_oflag = 1241 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 1242 host->c_cflag = 1243 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 1244 host->c_lflag = 1245 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 1246 host->c_line = target->c_line; 1247 1248 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 1249 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 1250 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 1251 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 1252 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 1253 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 1254 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 1255 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 1256 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 1257 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 1258 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 1259 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 1260 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 1261 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 1262 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 1263 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 1264 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 1265 } 1266 1267 static void host_to_target_termios (void *dst, const void *src) 1268 { 1269 struct target_termios *target = dst; 1270 const struct host_termios *host = src; 1271 1272 target->c_iflag = 1273 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 1274 target->c_oflag = 1275 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 1276 target->c_cflag = 1277 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 1278 target->c_lflag = 1279 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 1280 target->c_line = host->c_line; 1281 1282 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 1283 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 1284 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 1285 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 1286 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 1287 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 1288 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 1289 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 1290 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 1291 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 1292 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 1293 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 1294 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 1295 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 1296 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 1297 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 1298 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 1299 } 1300 1301 StructEntry struct_termios_def = { 1302 .convert = { host_to_target_termios, target_to_host_termios }, 1303 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 1304 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 1305 }; 1306 1307 static bitmask_transtbl mmap_flags_tbl[] = { 1308 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 1309 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 1310 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 1311 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 1312 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 1313 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 1314 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 1315 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 1316 { 0, 0, 0, 0 } 1317 }; 1318 1319 static bitmask_transtbl fcntl_flags_tbl[] = { 1320 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 1321 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 1322 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 1323 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 1324 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 1325 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 1326 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 1327 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 1328 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 1329 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 1330 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 1331 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 1332 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 1333 #if defined(O_DIRECT) 1334 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 1335 #endif 1336 { 0, 0, 0, 0 } 1337 }; 1338 1339 #if defined(TARGET_I386) 1340 1341 /* NOTE: there is really one LDT for all the threads */ 1342 uint8_t *ldt_table; 1343 1344 static int read_ldt(void *ptr, unsigned long bytecount) 1345 { 1346 int size; 1347 1348 if (!ldt_table) 1349 return 0; 1350 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 1351 if (size > bytecount) 1352 size = bytecount; 1353 memcpy(ptr, ldt_table, size); 1354 return size; 1355 } 1356 1357 /* XXX: add locking support */ 1358 static int write_ldt(CPUX86State *env, 1359 void *ptr, unsigned long bytecount, int oldmode) 1360 { 1361 struct target_modify_ldt_ldt_s ldt_info; 1362 int seg_32bit, contents, read_exec_only, limit_in_pages; 1363 int seg_not_present, useable; 1364 uint32_t *lp, entry_1, entry_2; 1365 1366 if (bytecount != sizeof(ldt_info)) 1367 return -EINVAL; 1368 memcpy(&ldt_info, ptr, sizeof(ldt_info)); 1369 tswap32s(&ldt_info.entry_number); 1370 tswapls((long *)&ldt_info.base_addr); 1371 tswap32s(&ldt_info.limit); 1372 tswap32s(&ldt_info.flags); 1373 1374 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 1375 return -EINVAL; 1376 seg_32bit = ldt_info.flags & 1; 1377 contents = (ldt_info.flags >> 1) & 3; 1378 read_exec_only = (ldt_info.flags >> 3) & 1; 1379 limit_in_pages = (ldt_info.flags >> 4) & 1; 1380 seg_not_present = (ldt_info.flags >> 5) & 1; 1381 useable = (ldt_info.flags >> 6) & 1; 1382 1383 if (contents == 3) { 1384 if (oldmode) 1385 return -EINVAL; 1386 if (seg_not_present == 0) 1387 return -EINVAL; 1388 } 1389 /* allocate the LDT */ 1390 if (!ldt_table) { 1391 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1392 if (!ldt_table) 1393 return -ENOMEM; 1394 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1395 env->ldt.base = (long)ldt_table; 1396 env->ldt.limit = 0xffff; 1397 } 1398 1399 /* NOTE: same code as Linux kernel */ 1400 /* Allow LDTs to be cleared by the user. */ 1401 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 1402 if (oldmode || 1403 (contents == 0 && 1404 read_exec_only == 1 && 1405 seg_32bit == 0 && 1406 limit_in_pages == 0 && 1407 seg_not_present == 1 && 1408 useable == 0 )) { 1409 entry_1 = 0; 1410 entry_2 = 0; 1411 goto install; 1412 } 1413 } 1414 1415 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 1416 (ldt_info.limit & 0x0ffff); 1417 entry_2 = (ldt_info.base_addr & 0xff000000) | 1418 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 1419 (ldt_info.limit & 0xf0000) | 1420 ((read_exec_only ^ 1) << 9) | 1421 (contents << 10) | 1422 ((seg_not_present ^ 1) << 15) | 1423 (seg_32bit << 22) | 1424 (limit_in_pages << 23) | 1425 0x7000; 1426 if (!oldmode) 1427 entry_2 |= (useable << 20); 1428 1429 /* Install the new entry ... */ 1430 install: 1431 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 1432 lp[0] = tswap32(entry_1); 1433 lp[1] = tswap32(entry_2); 1434 return 0; 1435 } 1436 1437 /* specific and weird i386 syscalls */ 1438 int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount) 1439 { 1440 int ret = -ENOSYS; 1441 1442 switch (func) { 1443 case 0: 1444 ret = read_ldt(ptr, bytecount); 1445 break; 1446 case 1: 1447 ret = write_ldt(env, ptr, bytecount, 1); 1448 break; 1449 case 0x11: 1450 ret = write_ldt(env, ptr, bytecount, 0); 1451 break; 1452 } 1453 return ret; 1454 } 1455 1456 #endif /* defined(TARGET_I386) */ 1457 1458 /* this stack is the equivalent of the kernel stack associated with a 1459 thread/process */ 1460 #define NEW_STACK_SIZE 8192 1461 1462 static int clone_func(void *arg) 1463 { 1464 CPUState *env = arg; 1465 cpu_loop(env); 1466 /* never exits */ 1467 return 0; 1468 } 1469 1470 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp) 1471 { 1472 int ret; 1473 TaskState *ts; 1474 uint8_t *new_stack; 1475 CPUState *new_env; 1476 1477 if (flags & CLONE_VM) { 1478 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 1479 memset(ts, 0, sizeof(TaskState)); 1480 new_stack = ts->stack; 1481 ts->used = 1; 1482 /* add in task state list */ 1483 ts->next = first_task_state; 1484 first_task_state = ts; 1485 /* we create a new CPU instance. */ 1486 new_env = cpu_init(); 1487 memcpy(new_env, env, sizeof(CPUState)); 1488 #if defined(TARGET_I386) 1489 if (!newsp) 1490 newsp = env->regs[R_ESP]; 1491 new_env->regs[R_ESP] = newsp; 1492 new_env->regs[R_EAX] = 0; 1493 #elif defined(TARGET_ARM) 1494 if (!newsp) 1495 newsp = env->regs[13]; 1496 new_env->regs[13] = newsp; 1497 new_env->regs[0] = 0; 1498 #elif defined(TARGET_SPARC) 1499 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 1500 #elif defined(TARGET_MIPS) 1501 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 1502 #elif defined(TARGET_PPC) 1503 if (!newsp) 1504 newsp = env->gpr[1]; 1505 new_env->gpr[1] = newsp; 1506 { 1507 int i; 1508 for (i = 7; i < 32; i++) 1509 new_env->gpr[i] = 0; 1510 } 1511 #else 1512 #error unsupported target CPU 1513 #endif 1514 new_env->opaque = ts; 1515 #ifdef __ia64__ 1516 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1517 #else 1518 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1519 #endif 1520 } else { 1521 /* if no CLONE_VM, we consider it is a fork */ 1522 if ((flags & ~CSIGNAL) != 0) 1523 return -EINVAL; 1524 ret = fork(); 1525 } 1526 return ret; 1527 } 1528 1529 static long do_fcntl(int fd, int cmd, unsigned long arg) 1530 { 1531 struct flock fl; 1532 struct target_flock *target_fl = (void *)arg; 1533 long ret; 1534 1535 switch(cmd) { 1536 case TARGET_F_GETLK: 1537 ret = fcntl(fd, cmd, &fl); 1538 if (ret == 0) { 1539 target_fl->l_type = tswap16(fl.l_type); 1540 target_fl->l_whence = tswap16(fl.l_whence); 1541 target_fl->l_start = tswapl(fl.l_start); 1542 target_fl->l_len = tswapl(fl.l_len); 1543 target_fl->l_pid = tswapl(fl.l_pid); 1544 } 1545 break; 1546 1547 case TARGET_F_SETLK: 1548 case TARGET_F_SETLKW: 1549 fl.l_type = tswap16(target_fl->l_type); 1550 fl.l_whence = tswap16(target_fl->l_whence); 1551 fl.l_start = tswapl(target_fl->l_start); 1552 fl.l_len = tswapl(target_fl->l_len); 1553 fl.l_pid = tswapl(target_fl->l_pid); 1554 ret = fcntl(fd, cmd, &fl); 1555 break; 1556 1557 case TARGET_F_GETLK64: 1558 case TARGET_F_SETLK64: 1559 case TARGET_F_SETLKW64: 1560 ret = -1; 1561 errno = EINVAL; 1562 break; 1563 1564 case F_GETFL: 1565 ret = fcntl(fd, cmd, arg); 1566 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 1567 break; 1568 1569 case F_SETFL: 1570 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)); 1571 break; 1572 1573 default: 1574 ret = fcntl(fd, cmd, arg); 1575 break; 1576 } 1577 return ret; 1578 } 1579 1580 #ifdef USE_UID16 1581 1582 static inline int high2lowuid(int uid) 1583 { 1584 if (uid > 65535) 1585 return 65534; 1586 else 1587 return uid; 1588 } 1589 1590 static inline int high2lowgid(int gid) 1591 { 1592 if (gid > 65535) 1593 return 65534; 1594 else 1595 return gid; 1596 } 1597 1598 static inline int low2highuid(int uid) 1599 { 1600 if ((int16_t)uid == -1) 1601 return -1; 1602 else 1603 return uid; 1604 } 1605 1606 static inline int low2highgid(int gid) 1607 { 1608 if ((int16_t)gid == -1) 1609 return -1; 1610 else 1611 return gid; 1612 } 1613 1614 #endif /* USE_UID16 */ 1615 1616 void syscall_init(void) 1617 { 1618 IOCTLEntry *ie; 1619 const argtype *arg_type; 1620 int size; 1621 1622 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 1623 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 1624 #include "syscall_types.h" 1625 #undef STRUCT 1626 #undef STRUCT_SPECIAL 1627 1628 /* we patch the ioctl size if necessary. We rely on the fact that 1629 no ioctl has all the bits at '1' in the size field */ 1630 ie = ioctl_entries; 1631 while (ie->target_cmd != 0) { 1632 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 1633 TARGET_IOC_SIZEMASK) { 1634 arg_type = ie->arg_type; 1635 if (arg_type[0] != TYPE_PTR) { 1636 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 1637 ie->target_cmd); 1638 exit(1); 1639 } 1640 arg_type++; 1641 size = thunk_type_size(arg_type, 0); 1642 ie->target_cmd = (ie->target_cmd & 1643 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 1644 (size << TARGET_IOC_SIZESHIFT); 1645 } 1646 /* automatic consistency check if same arch */ 1647 #if defined(__i386__) && defined(TARGET_I386) 1648 if (ie->target_cmd != ie->host_cmd) { 1649 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 1650 ie->target_cmd, ie->host_cmd); 1651 } 1652 #endif 1653 ie++; 1654 } 1655 } 1656 1657 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 1658 long arg4, long arg5, long arg6) 1659 { 1660 long ret; 1661 struct stat st; 1662 struct kernel_statfs *stfs; 1663 1664 #ifdef DEBUG 1665 gemu_log("syscall %d", num); 1666 #endif 1667 switch(num) { 1668 case TARGET_NR_exit: 1669 #ifdef HAVE_GPROF 1670 _mcleanup(); 1671 #endif 1672 gdb_exit(cpu_env, arg1); 1673 /* XXX: should free thread stack and CPU env */ 1674 _exit(arg1); 1675 ret = 0; /* avoid warning */ 1676 break; 1677 case TARGET_NR_read: 1678 page_unprotect_range((void *)arg2, arg3); 1679 ret = get_errno(read(arg1, (void *)arg2, arg3)); 1680 break; 1681 case TARGET_NR_write: 1682 ret = get_errno(write(arg1, (void *)arg2, arg3)); 1683 break; 1684 case TARGET_NR_open: 1685 ret = get_errno(open(path((const char *)arg1), 1686 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1687 arg3)); 1688 break; 1689 case TARGET_NR_close: 1690 ret = get_errno(close(arg1)); 1691 break; 1692 case TARGET_NR_brk: 1693 ret = do_brk((char *)arg1); 1694 break; 1695 case TARGET_NR_fork: 1696 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 1697 break; 1698 case TARGET_NR_waitpid: 1699 { 1700 int *status = (int *)arg2; 1701 ret = get_errno(waitpid(arg1, status, arg3)); 1702 if (!is_error(ret) && status) 1703 tswapls((long *)&status); 1704 } 1705 break; 1706 case TARGET_NR_creat: 1707 ret = get_errno(creat((const char *)arg1, arg2)); 1708 break; 1709 case TARGET_NR_link: 1710 ret = get_errno(link((const char *)arg1, (const char *)arg2)); 1711 break; 1712 case TARGET_NR_unlink: 1713 ret = get_errno(unlink((const char *)arg1)); 1714 break; 1715 case TARGET_NR_execve: 1716 { 1717 char **argp, **envp; 1718 int argc, envc; 1719 uint32_t *p; 1720 char **q; 1721 1722 argc = 0; 1723 for (p = (void *)arg2; *p; p++) 1724 argc++; 1725 envc = 0; 1726 for (p = (void *)arg3; *p; p++) 1727 envc++; 1728 1729 argp = alloca((argc + 1) * sizeof(void *)); 1730 envp = alloca((envc + 1) * sizeof(void *)); 1731 1732 for (p = (void *)arg2, q = argp; *p; p++, q++) 1733 *q = (void *)tswap32(*p); 1734 *q = NULL; 1735 1736 for (p = (void *)arg3, q = envp; *p; p++, q++) 1737 *q = (void *)tswap32(*p); 1738 *q = NULL; 1739 1740 ret = get_errno(execve((const char *)arg1, argp, envp)); 1741 } 1742 break; 1743 case TARGET_NR_chdir: 1744 ret = get_errno(chdir((const char *)arg1)); 1745 break; 1746 #ifdef TARGET_NR_time 1747 case TARGET_NR_time: 1748 { 1749 int *time_ptr = (int *)arg1; 1750 ret = get_errno(time((time_t *)time_ptr)); 1751 if (!is_error(ret) && time_ptr) 1752 tswap32s(time_ptr); 1753 } 1754 break; 1755 #endif 1756 case TARGET_NR_mknod: 1757 ret = get_errno(mknod((const char *)arg1, arg2, arg3)); 1758 break; 1759 case TARGET_NR_chmod: 1760 ret = get_errno(chmod((const char *)arg1, arg2)); 1761 break; 1762 #ifdef TARGET_NR_break 1763 case TARGET_NR_break: 1764 goto unimplemented; 1765 #endif 1766 #ifdef TARGET_NR_oldstat 1767 case TARGET_NR_oldstat: 1768 goto unimplemented; 1769 #endif 1770 case TARGET_NR_lseek: 1771 ret = get_errno(lseek(arg1, arg2, arg3)); 1772 break; 1773 case TARGET_NR_getpid: 1774 ret = get_errno(getpid()); 1775 break; 1776 case TARGET_NR_mount: 1777 /* need to look at the data field */ 1778 goto unimplemented; 1779 case TARGET_NR_umount: 1780 ret = get_errno(umount((const char *)arg1)); 1781 break; 1782 case TARGET_NR_stime: 1783 { 1784 int *time_ptr = (int *)arg1; 1785 if (time_ptr) 1786 tswap32s(time_ptr); 1787 ret = get_errno(stime((time_t *)time_ptr)); 1788 } 1789 break; 1790 case TARGET_NR_ptrace: 1791 goto unimplemented; 1792 case TARGET_NR_alarm: 1793 ret = alarm(arg1); 1794 break; 1795 #ifdef TARGET_NR_oldfstat 1796 case TARGET_NR_oldfstat: 1797 goto unimplemented; 1798 #endif 1799 case TARGET_NR_pause: 1800 ret = get_errno(pause()); 1801 break; 1802 case TARGET_NR_utime: 1803 { 1804 struct utimbuf tbuf, *tbuf1; 1805 struct target_utimbuf *target_tbuf = (void *)arg2; 1806 if (target_tbuf) { 1807 get_user(tbuf.actime, &target_tbuf->actime); 1808 get_user(tbuf.modtime, &target_tbuf->modtime); 1809 tbuf1 = &tbuf; 1810 } else { 1811 tbuf1 = NULL; 1812 } 1813 ret = get_errno(utime((const char *)arg1, tbuf1)); 1814 } 1815 break; 1816 case TARGET_NR_utimes: 1817 { 1818 struct target_timeval *target_tvp = (struct target_timeval *)arg2; 1819 struct timeval *tvp, tv[2]; 1820 if (target_tvp) { 1821 target_to_host_timeval(&tv[0], &target_tvp[0]); 1822 target_to_host_timeval(&tv[1], &target_tvp[1]); 1823 tvp = tv; 1824 } else { 1825 tvp = NULL; 1826 } 1827 ret = get_errno(utimes((const char *)arg1, tvp)); 1828 } 1829 break; 1830 #ifdef TARGET_NR_stty 1831 case TARGET_NR_stty: 1832 goto unimplemented; 1833 #endif 1834 #ifdef TARGET_NR_gtty 1835 case TARGET_NR_gtty: 1836 goto unimplemented; 1837 #endif 1838 case TARGET_NR_access: 1839 ret = get_errno(access((const char *)arg1, arg2)); 1840 break; 1841 case TARGET_NR_nice: 1842 ret = get_errno(nice(arg1)); 1843 break; 1844 #ifdef TARGET_NR_ftime 1845 case TARGET_NR_ftime: 1846 goto unimplemented; 1847 #endif 1848 case TARGET_NR_sync: 1849 sync(); 1850 ret = 0; 1851 break; 1852 case TARGET_NR_kill: 1853 ret = get_errno(kill(arg1, arg2)); 1854 break; 1855 case TARGET_NR_rename: 1856 ret = get_errno(rename((const char *)arg1, (const char *)arg2)); 1857 break; 1858 case TARGET_NR_mkdir: 1859 ret = get_errno(mkdir((const char *)arg1, arg2)); 1860 break; 1861 case TARGET_NR_rmdir: 1862 ret = get_errno(rmdir((const char *)arg1)); 1863 break; 1864 case TARGET_NR_dup: 1865 ret = get_errno(dup(arg1)); 1866 break; 1867 case TARGET_NR_pipe: 1868 { 1869 int *pipe_ptr = (int *)arg1; 1870 ret = get_errno(pipe(pipe_ptr)); 1871 if (!is_error(ret)) { 1872 tswap32s(&pipe_ptr[0]); 1873 tswap32s(&pipe_ptr[1]); 1874 } 1875 } 1876 break; 1877 case TARGET_NR_times: 1878 { 1879 struct target_tms *tmsp = (void *)arg1; 1880 struct tms tms; 1881 ret = get_errno(times(&tms)); 1882 if (tmsp) { 1883 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 1884 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 1885 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 1886 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 1887 } 1888 if (!is_error(ret)) 1889 ret = host_to_target_clock_t(ret); 1890 } 1891 break; 1892 #ifdef TARGET_NR_prof 1893 case TARGET_NR_prof: 1894 goto unimplemented; 1895 #endif 1896 case TARGET_NR_signal: 1897 goto unimplemented; 1898 1899 case TARGET_NR_acct: 1900 goto unimplemented; 1901 case TARGET_NR_umount2: 1902 ret = get_errno(umount2((const char *)arg1, arg2)); 1903 break; 1904 #ifdef TARGET_NR_lock 1905 case TARGET_NR_lock: 1906 goto unimplemented; 1907 #endif 1908 case TARGET_NR_ioctl: 1909 ret = do_ioctl(arg1, arg2, arg3); 1910 break; 1911 case TARGET_NR_fcntl: 1912 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 1913 break; 1914 #ifdef TARGET_NR_mpx 1915 case TARGET_NR_mpx: 1916 goto unimplemented; 1917 #endif 1918 case TARGET_NR_setpgid: 1919 ret = get_errno(setpgid(arg1, arg2)); 1920 break; 1921 #ifdef TARGET_NR_ulimit 1922 case TARGET_NR_ulimit: 1923 goto unimplemented; 1924 #endif 1925 #ifdef TARGET_NR_oldolduname 1926 case TARGET_NR_oldolduname: 1927 goto unimplemented; 1928 #endif 1929 case TARGET_NR_umask: 1930 ret = get_errno(umask(arg1)); 1931 break; 1932 case TARGET_NR_chroot: 1933 ret = get_errno(chroot((const char *)arg1)); 1934 break; 1935 case TARGET_NR_ustat: 1936 goto unimplemented; 1937 case TARGET_NR_dup2: 1938 ret = get_errno(dup2(arg1, arg2)); 1939 break; 1940 case TARGET_NR_getppid: 1941 ret = get_errno(getppid()); 1942 break; 1943 case TARGET_NR_getpgrp: 1944 ret = get_errno(getpgrp()); 1945 break; 1946 case TARGET_NR_setsid: 1947 ret = get_errno(setsid()); 1948 break; 1949 case TARGET_NR_sigaction: 1950 { 1951 struct target_old_sigaction *old_act = (void *)arg2; 1952 struct target_old_sigaction *old_oact = (void *)arg3; 1953 struct target_sigaction act, oact, *pact; 1954 if (old_act) { 1955 act._sa_handler = old_act->_sa_handler; 1956 target_siginitset(&act.sa_mask, old_act->sa_mask); 1957 act.sa_flags = old_act->sa_flags; 1958 act.sa_restorer = old_act->sa_restorer; 1959 pact = &act; 1960 } else { 1961 pact = NULL; 1962 } 1963 ret = get_errno(do_sigaction(arg1, pact, &oact)); 1964 if (!is_error(ret) && old_oact) { 1965 old_oact->_sa_handler = oact._sa_handler; 1966 old_oact->sa_mask = oact.sa_mask.sig[0]; 1967 old_oact->sa_flags = oact.sa_flags; 1968 old_oact->sa_restorer = oact.sa_restorer; 1969 } 1970 } 1971 break; 1972 case TARGET_NR_rt_sigaction: 1973 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3)); 1974 break; 1975 case TARGET_NR_sgetmask: 1976 { 1977 sigset_t cur_set; 1978 target_ulong target_set; 1979 sigprocmask(0, NULL, &cur_set); 1980 host_to_target_old_sigset(&target_set, &cur_set); 1981 ret = target_set; 1982 } 1983 break; 1984 case TARGET_NR_ssetmask: 1985 { 1986 sigset_t set, oset, cur_set; 1987 target_ulong target_set = arg1; 1988 sigprocmask(0, NULL, &cur_set); 1989 target_to_host_old_sigset(&set, &target_set); 1990 sigorset(&set, &set, &cur_set); 1991 sigprocmask(SIG_SETMASK, &set, &oset); 1992 host_to_target_old_sigset(&target_set, &oset); 1993 ret = target_set; 1994 } 1995 break; 1996 case TARGET_NR_sigprocmask: 1997 { 1998 int how = arg1; 1999 sigset_t set, oldset, *set_ptr; 2000 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3; 2001 2002 if (pset) { 2003 switch(how) { 2004 case TARGET_SIG_BLOCK: 2005 how = SIG_BLOCK; 2006 break; 2007 case TARGET_SIG_UNBLOCK: 2008 how = SIG_UNBLOCK; 2009 break; 2010 case TARGET_SIG_SETMASK: 2011 how = SIG_SETMASK; 2012 break; 2013 default: 2014 ret = -EINVAL; 2015 goto fail; 2016 } 2017 target_to_host_old_sigset(&set, pset); 2018 set_ptr = &set; 2019 } else { 2020 how = 0; 2021 set_ptr = NULL; 2022 } 2023 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 2024 if (!is_error(ret) && poldset) { 2025 host_to_target_old_sigset(poldset, &oldset); 2026 } 2027 } 2028 break; 2029 case TARGET_NR_rt_sigprocmask: 2030 { 2031 int how = arg1; 2032 sigset_t set, oldset, *set_ptr; 2033 target_sigset_t *pset = (void *)arg2; 2034 target_sigset_t *poldset = (void *)arg3; 2035 2036 if (pset) { 2037 switch(how) { 2038 case TARGET_SIG_BLOCK: 2039 how = SIG_BLOCK; 2040 break; 2041 case TARGET_SIG_UNBLOCK: 2042 how = SIG_UNBLOCK; 2043 break; 2044 case TARGET_SIG_SETMASK: 2045 how = SIG_SETMASK; 2046 break; 2047 default: 2048 ret = -EINVAL; 2049 goto fail; 2050 } 2051 target_to_host_sigset(&set, pset); 2052 set_ptr = &set; 2053 } else { 2054 how = 0; 2055 set_ptr = NULL; 2056 } 2057 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 2058 if (!is_error(ret) && poldset) { 2059 host_to_target_sigset(poldset, &oldset); 2060 } 2061 } 2062 break; 2063 case TARGET_NR_sigpending: 2064 { 2065 sigset_t set; 2066 ret = get_errno(sigpending(&set)); 2067 if (!is_error(ret)) { 2068 host_to_target_old_sigset((target_ulong *)arg1, &set); 2069 } 2070 } 2071 break; 2072 case TARGET_NR_rt_sigpending: 2073 { 2074 sigset_t set; 2075 ret = get_errno(sigpending(&set)); 2076 if (!is_error(ret)) { 2077 host_to_target_sigset((target_sigset_t *)arg1, &set); 2078 } 2079 } 2080 break; 2081 case TARGET_NR_sigsuspend: 2082 { 2083 sigset_t set; 2084 target_to_host_old_sigset(&set, (target_ulong *)arg1); 2085 ret = get_errno(sigsuspend(&set)); 2086 } 2087 break; 2088 case TARGET_NR_rt_sigsuspend: 2089 { 2090 sigset_t set; 2091 target_to_host_sigset(&set, (target_sigset_t *)arg1); 2092 ret = get_errno(sigsuspend(&set)); 2093 } 2094 break; 2095 case TARGET_NR_rt_sigtimedwait: 2096 { 2097 target_sigset_t *target_set = (void *)arg1; 2098 target_siginfo_t *target_uinfo = (void *)arg2; 2099 struct target_timespec *target_uts = (void *)arg3; 2100 sigset_t set; 2101 struct timespec uts, *puts; 2102 siginfo_t uinfo; 2103 2104 target_to_host_sigset(&set, target_set); 2105 if (target_uts) { 2106 puts = &uts; 2107 puts->tv_sec = tswapl(target_uts->tv_sec); 2108 puts->tv_nsec = tswapl(target_uts->tv_nsec); 2109 } else { 2110 puts = NULL; 2111 } 2112 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 2113 if (!is_error(ret) && target_uinfo) { 2114 host_to_target_siginfo(target_uinfo, &uinfo); 2115 } 2116 } 2117 break; 2118 case TARGET_NR_rt_sigqueueinfo: 2119 { 2120 siginfo_t uinfo; 2121 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3); 2122 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 2123 } 2124 break; 2125 case TARGET_NR_sigreturn: 2126 /* NOTE: ret is eax, so not transcoding must be done */ 2127 ret = do_sigreturn(cpu_env); 2128 break; 2129 case TARGET_NR_rt_sigreturn: 2130 /* NOTE: ret is eax, so not transcoding must be done */ 2131 ret = do_rt_sigreturn(cpu_env); 2132 break; 2133 case TARGET_NR_sethostname: 2134 ret = get_errno(sethostname((const char *)arg1, arg2)); 2135 break; 2136 case TARGET_NR_setrlimit: 2137 { 2138 /* XXX: convert resource ? */ 2139 int resource = arg1; 2140 struct target_rlimit *target_rlim = (void *)arg2; 2141 struct rlimit rlim; 2142 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 2143 rlim.rlim_max = tswapl(target_rlim->rlim_max); 2144 ret = get_errno(setrlimit(resource, &rlim)); 2145 } 2146 break; 2147 case TARGET_NR_getrlimit: 2148 { 2149 /* XXX: convert resource ? */ 2150 int resource = arg1; 2151 struct target_rlimit *target_rlim = (void *)arg2; 2152 struct rlimit rlim; 2153 2154 ret = get_errno(getrlimit(resource, &rlim)); 2155 if (!is_error(ret)) { 2156 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 2157 target_rlim->rlim_max = tswapl(rlim.rlim_max); 2158 } 2159 } 2160 break; 2161 case TARGET_NR_getrusage: 2162 { 2163 struct rusage rusage; 2164 struct target_rusage *target_rusage = (void *)arg2; 2165 ret = get_errno(getrusage(arg1, &rusage)); 2166 if (!is_error(ret)) { 2167 host_to_target_rusage(target_rusage, &rusage); 2168 } 2169 } 2170 break; 2171 case TARGET_NR_gettimeofday: 2172 { 2173 struct target_timeval *target_tv = (void *)arg1; 2174 struct timeval tv; 2175 ret = get_errno(gettimeofday(&tv, NULL)); 2176 if (!is_error(ret)) { 2177 host_to_target_timeval(target_tv, &tv); 2178 } 2179 } 2180 break; 2181 case TARGET_NR_settimeofday: 2182 { 2183 struct target_timeval *target_tv = (void *)arg1; 2184 struct timeval tv; 2185 target_to_host_timeval(&tv, target_tv); 2186 ret = get_errno(settimeofday(&tv, NULL)); 2187 } 2188 break; 2189 #ifdef TARGET_NR_select 2190 case TARGET_NR_select: 2191 { 2192 struct target_sel_arg_struct *sel = (void *)arg1; 2193 sel->n = tswapl(sel->n); 2194 sel->inp = tswapl(sel->inp); 2195 sel->outp = tswapl(sel->outp); 2196 sel->exp = tswapl(sel->exp); 2197 sel->tvp = tswapl(sel->tvp); 2198 ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp, 2199 (void *)sel->exp, (void *)sel->tvp); 2200 } 2201 break; 2202 #endif 2203 case TARGET_NR_symlink: 2204 ret = get_errno(symlink((const char *)arg1, (const char *)arg2)); 2205 break; 2206 #ifdef TARGET_NR_oldlstat 2207 case TARGET_NR_oldlstat: 2208 goto unimplemented; 2209 #endif 2210 case TARGET_NR_readlink: 2211 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3)); 2212 break; 2213 case TARGET_NR_uselib: 2214 goto unimplemented; 2215 case TARGET_NR_swapon: 2216 ret = get_errno(swapon((const char *)arg1, arg2)); 2217 break; 2218 case TARGET_NR_reboot: 2219 goto unimplemented; 2220 case TARGET_NR_readdir: 2221 goto unimplemented; 2222 case TARGET_NR_mmap: 2223 #if defined(TARGET_I386) || defined(TARGET_ARM) 2224 { 2225 uint32_t v1, v2, v3, v4, v5, v6, *vptr; 2226 vptr = (uint32_t *)arg1; 2227 v1 = tswap32(vptr[0]); 2228 v2 = tswap32(vptr[1]); 2229 v3 = tswap32(vptr[2]); 2230 v4 = tswap32(vptr[3]); 2231 v5 = tswap32(vptr[4]); 2232 v6 = tswap32(vptr[5]); 2233 ret = get_errno(target_mmap(v1, v2, v3, 2234 target_to_host_bitmask(v4, mmap_flags_tbl), 2235 v5, v6)); 2236 } 2237 #else 2238 ret = get_errno(target_mmap(arg1, arg2, arg3, 2239 target_to_host_bitmask(arg4, mmap_flags_tbl), 2240 arg5, 2241 arg6)); 2242 #endif 2243 break; 2244 #ifdef TARGET_NR_mmap2 2245 case TARGET_NR_mmap2: 2246 #if defined(TARGET_SPARC) 2247 #define MMAP_SHIFT 12 2248 #else 2249 #define MMAP_SHIFT TARGET_PAGE_BITS 2250 #endif 2251 ret = get_errno(target_mmap(arg1, arg2, arg3, 2252 target_to_host_bitmask(arg4, mmap_flags_tbl), 2253 arg5, 2254 arg6 << MMAP_SHIFT)); 2255 break; 2256 #endif 2257 case TARGET_NR_munmap: 2258 ret = get_errno(target_munmap(arg1, arg2)); 2259 break; 2260 case TARGET_NR_mprotect: 2261 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 2262 break; 2263 case TARGET_NR_mremap: 2264 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 2265 break; 2266 case TARGET_NR_msync: 2267 ret = get_errno(msync((void *)arg1, arg2, arg3)); 2268 break; 2269 case TARGET_NR_mlock: 2270 ret = get_errno(mlock((void *)arg1, arg2)); 2271 break; 2272 case TARGET_NR_munlock: 2273 ret = get_errno(munlock((void *)arg1, arg2)); 2274 break; 2275 case TARGET_NR_mlockall: 2276 ret = get_errno(mlockall(arg1)); 2277 break; 2278 case TARGET_NR_munlockall: 2279 ret = get_errno(munlockall()); 2280 break; 2281 case TARGET_NR_truncate: 2282 ret = get_errno(truncate((const char *)arg1, arg2)); 2283 break; 2284 case TARGET_NR_ftruncate: 2285 ret = get_errno(ftruncate(arg1, arg2)); 2286 break; 2287 case TARGET_NR_fchmod: 2288 ret = get_errno(fchmod(arg1, arg2)); 2289 break; 2290 case TARGET_NR_getpriority: 2291 ret = get_errno(getpriority(arg1, arg2)); 2292 break; 2293 case TARGET_NR_setpriority: 2294 ret = get_errno(setpriority(arg1, arg2, arg3)); 2295 break; 2296 #ifdef TARGET_NR_profil 2297 case TARGET_NR_profil: 2298 goto unimplemented; 2299 #endif 2300 case TARGET_NR_statfs: 2301 stfs = (void *)arg2; 2302 ret = get_errno(sys_statfs(path((const char *)arg1), stfs)); 2303 convert_statfs: 2304 if (!is_error(ret)) { 2305 tswap32s(&stfs->f_type); 2306 tswap32s(&stfs->f_bsize); 2307 tswap32s(&stfs->f_blocks); 2308 tswap32s(&stfs->f_bfree); 2309 tswap32s(&stfs->f_bavail); 2310 tswap32s(&stfs->f_files); 2311 tswap32s(&stfs->f_ffree); 2312 tswap32s(&stfs->f_fsid.val[0]); 2313 tswap32s(&stfs->f_fsid.val[1]); 2314 tswap32s(&stfs->f_namelen); 2315 } 2316 break; 2317 case TARGET_NR_fstatfs: 2318 stfs = (void *)arg2; 2319 ret = get_errno(sys_fstatfs(arg1, stfs)); 2320 goto convert_statfs; 2321 #ifdef TARGET_NR_ioperm 2322 case TARGET_NR_ioperm: 2323 goto unimplemented; 2324 #endif 2325 case TARGET_NR_socketcall: 2326 ret = do_socketcall(arg1, (int32_t *)arg2); 2327 break; 2328 case TARGET_NR_syslog: 2329 goto unimplemented; 2330 case TARGET_NR_setitimer: 2331 { 2332 struct target_itimerval *target_value = (void *)arg2; 2333 struct target_itimerval *target_ovalue = (void *)arg3; 2334 struct itimerval value, ovalue, *pvalue; 2335 2336 if (target_value) { 2337 pvalue = &value; 2338 target_to_host_timeval(&pvalue->it_interval, 2339 &target_value->it_interval); 2340 target_to_host_timeval(&pvalue->it_value, 2341 &target_value->it_value); 2342 } else { 2343 pvalue = NULL; 2344 } 2345 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 2346 if (!is_error(ret) && target_ovalue) { 2347 host_to_target_timeval(&target_ovalue->it_interval, 2348 &ovalue.it_interval); 2349 host_to_target_timeval(&target_ovalue->it_value, 2350 &ovalue.it_value); 2351 } 2352 } 2353 break; 2354 case TARGET_NR_getitimer: 2355 { 2356 struct target_itimerval *target_value = (void *)arg2; 2357 struct itimerval value; 2358 2359 ret = get_errno(getitimer(arg1, &value)); 2360 if (!is_error(ret) && target_value) { 2361 host_to_target_timeval(&target_value->it_interval, 2362 &value.it_interval); 2363 host_to_target_timeval(&target_value->it_value, 2364 &value.it_value); 2365 } 2366 } 2367 break; 2368 case TARGET_NR_stat: 2369 ret = get_errno(stat(path((const char *)arg1), &st)); 2370 goto do_stat; 2371 case TARGET_NR_lstat: 2372 ret = get_errno(lstat(path((const char *)arg1), &st)); 2373 goto do_stat; 2374 case TARGET_NR_fstat: 2375 { 2376 ret = get_errno(fstat(arg1, &st)); 2377 do_stat: 2378 if (!is_error(ret)) { 2379 struct target_stat *target_st = (void *)arg2; 2380 target_st->st_dev = tswap16(st.st_dev); 2381 target_st->st_ino = tswapl(st.st_ino); 2382 #if defined(TARGET_PPC) 2383 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ 2384 target_st->st_uid = tswap32(st.st_uid); 2385 target_st->st_gid = tswap32(st.st_gid); 2386 #else 2387 target_st->st_mode = tswap16(st.st_mode); 2388 target_st->st_uid = tswap16(st.st_uid); 2389 target_st->st_gid = tswap16(st.st_gid); 2390 #endif 2391 target_st->st_nlink = tswap16(st.st_nlink); 2392 target_st->st_rdev = tswap16(st.st_rdev); 2393 target_st->st_size = tswapl(st.st_size); 2394 target_st->st_blksize = tswapl(st.st_blksize); 2395 target_st->st_blocks = tswapl(st.st_blocks); 2396 target_st->target_st_atime = tswapl(st.st_atime); 2397 target_st->target_st_mtime = tswapl(st.st_mtime); 2398 target_st->target_st_ctime = tswapl(st.st_ctime); 2399 } 2400 } 2401 break; 2402 #ifdef TARGET_NR_olduname 2403 case TARGET_NR_olduname: 2404 goto unimplemented; 2405 #endif 2406 #ifdef TARGET_NR_iopl 2407 case TARGET_NR_iopl: 2408 goto unimplemented; 2409 #endif 2410 case TARGET_NR_vhangup: 2411 ret = get_errno(vhangup()); 2412 break; 2413 #ifdef TARGET_NR_idle 2414 case TARGET_NR_idle: 2415 goto unimplemented; 2416 #endif 2417 #ifdef TARGET_NR_syscall 2418 case TARGET_NR_syscall: 2419 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 2420 break; 2421 #endif 2422 case TARGET_NR_wait4: 2423 { 2424 int status; 2425 target_long *status_ptr = (void *)arg2; 2426 struct rusage rusage, *rusage_ptr; 2427 struct target_rusage *target_rusage = (void *)arg4; 2428 if (target_rusage) 2429 rusage_ptr = &rusage; 2430 else 2431 rusage_ptr = NULL; 2432 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 2433 if (!is_error(ret)) { 2434 if (status_ptr) 2435 *status_ptr = tswap32(status); 2436 if (target_rusage) { 2437 host_to_target_rusage(target_rusage, &rusage); 2438 } 2439 } 2440 } 2441 break; 2442 case TARGET_NR_swapoff: 2443 ret = get_errno(swapoff((const char *)arg1)); 2444 break; 2445 case TARGET_NR_sysinfo: 2446 { 2447 struct target_sysinfo *target_value = (void *)arg1; 2448 struct sysinfo value; 2449 ret = get_errno(sysinfo(&value)); 2450 if (!is_error(ret) && target_value) 2451 { 2452 __put_user(value.uptime, &target_value->uptime); 2453 __put_user(value.loads[0], &target_value->loads[0]); 2454 __put_user(value.loads[1], &target_value->loads[1]); 2455 __put_user(value.loads[2], &target_value->loads[2]); 2456 __put_user(value.totalram, &target_value->totalram); 2457 __put_user(value.freeram, &target_value->freeram); 2458 __put_user(value.sharedram, &target_value->sharedram); 2459 __put_user(value.bufferram, &target_value->bufferram); 2460 __put_user(value.totalswap, &target_value->totalswap); 2461 __put_user(value.freeswap, &target_value->freeswap); 2462 __put_user(value.procs, &target_value->procs); 2463 __put_user(value.totalhigh, &target_value->totalhigh); 2464 __put_user(value.freehigh, &target_value->freehigh); 2465 __put_user(value.mem_unit, &target_value->mem_unit); 2466 } 2467 } 2468 break; 2469 case TARGET_NR_ipc: 2470 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 2471 break; 2472 case TARGET_NR_fsync: 2473 ret = get_errno(fsync(arg1)); 2474 break; 2475 case TARGET_NR_clone: 2476 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 2477 break; 2478 #ifdef __NR_exit_group 2479 /* new thread calls */ 2480 case TARGET_NR_exit_group: 2481 gdb_exit(cpu_env, arg1); 2482 ret = get_errno(exit_group(arg1)); 2483 break; 2484 #endif 2485 case TARGET_NR_setdomainname: 2486 ret = get_errno(setdomainname((const char *)arg1, arg2)); 2487 break; 2488 case TARGET_NR_uname: 2489 /* no need to transcode because we use the linux syscall */ 2490 { 2491 struct new_utsname * buf; 2492 2493 buf = (struct new_utsname *)arg1; 2494 ret = get_errno(sys_uname(buf)); 2495 if (!is_error(ret)) { 2496 /* Overrite the native machine name with whatever is being 2497 emulated. */ 2498 strcpy (buf->machine, UNAME_MACHINE); 2499 } 2500 } 2501 break; 2502 #ifdef TARGET_I386 2503 case TARGET_NR_modify_ldt: 2504 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3)); 2505 break; 2506 case TARGET_NR_vm86old: 2507 goto unimplemented; 2508 case TARGET_NR_vm86: 2509 ret = do_vm86(cpu_env, arg1, (void *)arg2); 2510 break; 2511 #endif 2512 case TARGET_NR_adjtimex: 2513 goto unimplemented; 2514 case TARGET_NR_create_module: 2515 case TARGET_NR_init_module: 2516 case TARGET_NR_delete_module: 2517 case TARGET_NR_get_kernel_syms: 2518 goto unimplemented; 2519 case TARGET_NR_quotactl: 2520 goto unimplemented; 2521 case TARGET_NR_getpgid: 2522 ret = get_errno(getpgid(arg1)); 2523 break; 2524 case TARGET_NR_fchdir: 2525 ret = get_errno(fchdir(arg1)); 2526 break; 2527 case TARGET_NR_bdflush: 2528 goto unimplemented; 2529 case TARGET_NR_sysfs: 2530 goto unimplemented; 2531 case TARGET_NR_personality: 2532 ret = get_errno(personality(arg1)); 2533 break; 2534 case TARGET_NR_afs_syscall: 2535 goto unimplemented; 2536 case TARGET_NR__llseek: 2537 { 2538 #if defined (__x86_64__) 2539 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 2540 *(int64_t *)arg4 = ret; 2541 #else 2542 int64_t res; 2543 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 2544 *(int64_t *)arg4 = tswap64(res); 2545 #endif 2546 } 2547 break; 2548 case TARGET_NR_getdents: 2549 #if TARGET_LONG_SIZE != 4 2550 #warning not supported 2551 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8 2552 { 2553 struct target_dirent *target_dirp = (void *)arg2; 2554 struct dirent *dirp; 2555 long count = arg3; 2556 2557 dirp = malloc(count); 2558 if (!dirp) 2559 return -ENOMEM; 2560 2561 ret = get_errno(sys_getdents(arg1, dirp, count)); 2562 if (!is_error(ret)) { 2563 struct dirent *de; 2564 struct target_dirent *tde; 2565 int len = ret; 2566 int reclen, treclen; 2567 int count1, tnamelen; 2568 2569 count1 = 0; 2570 de = dirp; 2571 tde = target_dirp; 2572 while (len > 0) { 2573 reclen = de->d_reclen; 2574 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long))); 2575 tde->d_reclen = tswap16(treclen); 2576 tde->d_ino = tswapl(de->d_ino); 2577 tde->d_off = tswapl(de->d_off); 2578 tnamelen = treclen - (2 * sizeof(target_long) + 2); 2579 if (tnamelen > 256) 2580 tnamelen = 256; 2581 /* XXX: may not be correct */ 2582 strncpy(tde->d_name, de->d_name, tnamelen); 2583 de = (struct dirent *)((char *)de + reclen); 2584 len -= reclen; 2585 tde = (struct dirent *)((char *)tde + treclen); 2586 count1 += treclen; 2587 } 2588 ret = count1; 2589 } 2590 free(dirp); 2591 } 2592 #else 2593 { 2594 struct dirent *dirp = (void *)arg2; 2595 long count = arg3; 2596 2597 ret = get_errno(sys_getdents(arg1, dirp, count)); 2598 if (!is_error(ret)) { 2599 struct dirent *de; 2600 int len = ret; 2601 int reclen; 2602 de = dirp; 2603 while (len > 0) { 2604 reclen = de->d_reclen; 2605 if (reclen > len) 2606 break; 2607 de->d_reclen = tswap16(reclen); 2608 tswapls(&de->d_ino); 2609 tswapls(&de->d_off); 2610 de = (struct dirent *)((char *)de + reclen); 2611 len -= reclen; 2612 } 2613 } 2614 } 2615 #endif 2616 break; 2617 #ifdef TARGET_NR_getdents64 2618 case TARGET_NR_getdents64: 2619 { 2620 struct dirent64 *dirp = (void *)arg2; 2621 long count = arg3; 2622 ret = get_errno(sys_getdents64(arg1, dirp, count)); 2623 if (!is_error(ret)) { 2624 struct dirent64 *de; 2625 int len = ret; 2626 int reclen; 2627 de = dirp; 2628 while (len > 0) { 2629 reclen = de->d_reclen; 2630 if (reclen > len) 2631 break; 2632 de->d_reclen = tswap16(reclen); 2633 tswap64s(&de->d_ino); 2634 tswap64s(&de->d_off); 2635 de = (struct dirent64 *)((char *)de + reclen); 2636 len -= reclen; 2637 } 2638 } 2639 } 2640 break; 2641 #endif /* TARGET_NR_getdents64 */ 2642 case TARGET_NR__newselect: 2643 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 2644 (void *)arg5); 2645 break; 2646 case TARGET_NR_poll: 2647 { 2648 struct target_pollfd *target_pfd = (void *)arg1; 2649 unsigned int nfds = arg2; 2650 int timeout = arg3; 2651 struct pollfd *pfd; 2652 unsigned int i; 2653 2654 pfd = alloca(sizeof(struct pollfd) * nfds); 2655 for(i = 0; i < nfds; i++) { 2656 pfd[i].fd = tswap32(target_pfd[i].fd); 2657 pfd[i].events = tswap16(target_pfd[i].events); 2658 } 2659 ret = get_errno(poll(pfd, nfds, timeout)); 2660 if (!is_error(ret)) { 2661 for(i = 0; i < nfds; i++) { 2662 target_pfd[i].revents = tswap16(pfd[i].revents); 2663 } 2664 } 2665 } 2666 break; 2667 case TARGET_NR_flock: 2668 /* NOTE: the flock constant seems to be the same for every 2669 Linux platform */ 2670 ret = get_errno(flock(arg1, arg2)); 2671 break; 2672 case TARGET_NR_readv: 2673 { 2674 int count = arg3; 2675 int i; 2676 struct iovec *vec; 2677 struct target_iovec *target_vec = (void *)arg2; 2678 2679 vec = alloca(count * sizeof(struct iovec)); 2680 for(i = 0;i < count; i++) { 2681 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 2682 vec[i].iov_len = tswapl(target_vec[i].iov_len); 2683 } 2684 ret = get_errno(readv(arg1, vec, count)); 2685 } 2686 break; 2687 case TARGET_NR_writev: 2688 { 2689 int count = arg3; 2690 int i; 2691 struct iovec *vec; 2692 struct target_iovec *target_vec = (void *)arg2; 2693 2694 vec = alloca(count * sizeof(struct iovec)); 2695 for(i = 0;i < count; i++) { 2696 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 2697 vec[i].iov_len = tswapl(target_vec[i].iov_len); 2698 } 2699 ret = get_errno(writev(arg1, vec, count)); 2700 } 2701 break; 2702 case TARGET_NR_getsid: 2703 ret = get_errno(getsid(arg1)); 2704 break; 2705 case TARGET_NR_fdatasync: 2706 ret = get_errno(fdatasync(arg1)); 2707 break; 2708 case TARGET_NR__sysctl: 2709 /* We don't implement this, but ENODIR is always a safe 2710 return value. */ 2711 return -ENOTDIR; 2712 case TARGET_NR_sched_setparam: 2713 { 2714 struct sched_param *target_schp = (void *)arg2; 2715 struct sched_param schp; 2716 schp.sched_priority = tswap32(target_schp->sched_priority); 2717 ret = get_errno(sched_setparam(arg1, &schp)); 2718 } 2719 break; 2720 case TARGET_NR_sched_getparam: 2721 { 2722 struct sched_param *target_schp = (void *)arg2; 2723 struct sched_param schp; 2724 ret = get_errno(sched_getparam(arg1, &schp)); 2725 if (!is_error(ret)) { 2726 target_schp->sched_priority = tswap32(schp.sched_priority); 2727 } 2728 } 2729 break; 2730 case TARGET_NR_sched_setscheduler: 2731 { 2732 struct sched_param *target_schp = (void *)arg3; 2733 struct sched_param schp; 2734 schp.sched_priority = tswap32(target_schp->sched_priority); 2735 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 2736 } 2737 break; 2738 case TARGET_NR_sched_getscheduler: 2739 ret = get_errno(sched_getscheduler(arg1)); 2740 break; 2741 case TARGET_NR_sched_yield: 2742 ret = get_errno(sched_yield()); 2743 break; 2744 case TARGET_NR_sched_get_priority_max: 2745 ret = get_errno(sched_get_priority_max(arg1)); 2746 break; 2747 case TARGET_NR_sched_get_priority_min: 2748 ret = get_errno(sched_get_priority_min(arg1)); 2749 break; 2750 case TARGET_NR_sched_rr_get_interval: 2751 { 2752 struct target_timespec *target_ts = (void *)arg2; 2753 struct timespec ts; 2754 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 2755 if (!is_error(ret)) { 2756 target_ts->tv_sec = tswapl(ts.tv_sec); 2757 target_ts->tv_nsec = tswapl(ts.tv_nsec); 2758 } 2759 } 2760 break; 2761 case TARGET_NR_nanosleep: 2762 { 2763 struct target_timespec *target_req = (void *)arg1; 2764 struct target_timespec *target_rem = (void *)arg2; 2765 struct timespec req, rem; 2766 req.tv_sec = tswapl(target_req->tv_sec); 2767 req.tv_nsec = tswapl(target_req->tv_nsec); 2768 ret = get_errno(nanosleep(&req, &rem)); 2769 if (is_error(ret) && target_rem) { 2770 target_rem->tv_sec = tswapl(rem.tv_sec); 2771 target_rem->tv_nsec = tswapl(rem.tv_nsec); 2772 } 2773 } 2774 break; 2775 case TARGET_NR_query_module: 2776 goto unimplemented; 2777 case TARGET_NR_nfsservctl: 2778 goto unimplemented; 2779 case TARGET_NR_prctl: 2780 goto unimplemented; 2781 #ifdef TARGET_NR_pread 2782 case TARGET_NR_pread: 2783 page_unprotect_range((void *)arg2, arg3); 2784 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4)); 2785 break; 2786 case TARGET_NR_pwrite: 2787 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4)); 2788 break; 2789 #endif 2790 case TARGET_NR_getcwd: 2791 ret = get_errno(sys_getcwd1((char *)arg1, arg2)); 2792 break; 2793 case TARGET_NR_capget: 2794 goto unimplemented; 2795 case TARGET_NR_capset: 2796 goto unimplemented; 2797 case TARGET_NR_sigaltstack: 2798 goto unimplemented; 2799 case TARGET_NR_sendfile: 2800 goto unimplemented; 2801 #ifdef TARGET_NR_getpmsg 2802 case TARGET_NR_getpmsg: 2803 goto unimplemented; 2804 #endif 2805 #ifdef TARGET_NR_putpmsg 2806 case TARGET_NR_putpmsg: 2807 goto unimplemented; 2808 #endif 2809 #ifdef TARGET_NR_vfork 2810 case TARGET_NR_vfork: 2811 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 2812 break; 2813 #endif 2814 #ifdef TARGET_NR_ugetrlimit 2815 case TARGET_NR_ugetrlimit: 2816 { 2817 struct rlimit rlim; 2818 ret = get_errno(getrlimit(arg1, &rlim)); 2819 if (!is_error(ret)) { 2820 struct target_rlimit *target_rlim = (void *)arg2; 2821 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 2822 target_rlim->rlim_max = tswapl(rlim.rlim_max); 2823 } 2824 break; 2825 } 2826 #endif 2827 #ifdef TARGET_NR_truncate64 2828 case TARGET_NR_truncate64: 2829 ret = get_errno(truncate64((const char *)arg1, arg2)); 2830 break; 2831 #endif 2832 #ifdef TARGET_NR_ftruncate64 2833 case TARGET_NR_ftruncate64: 2834 ret = get_errno(ftruncate64(arg1, arg2)); 2835 break; 2836 #endif 2837 #ifdef TARGET_NR_stat64 2838 case TARGET_NR_stat64: 2839 ret = get_errno(stat(path((const char *)arg1), &st)); 2840 goto do_stat64; 2841 #endif 2842 #ifdef TARGET_NR_lstat64 2843 case TARGET_NR_lstat64: 2844 ret = get_errno(lstat(path((const char *)arg1), &st)); 2845 goto do_stat64; 2846 #endif 2847 #ifdef TARGET_NR_fstat64 2848 case TARGET_NR_fstat64: 2849 { 2850 ret = get_errno(fstat(arg1, &st)); 2851 do_stat64: 2852 if (!is_error(ret)) { 2853 struct target_stat64 *target_st = (void *)arg2; 2854 memset(target_st, 0, sizeof(struct target_stat64)); 2855 put_user(st.st_dev, &target_st->st_dev); 2856 put_user(st.st_ino, &target_st->st_ino); 2857 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 2858 put_user(st.st_ino, &target_st->__st_ino); 2859 #endif 2860 put_user(st.st_mode, &target_st->st_mode); 2861 put_user(st.st_nlink, &target_st->st_nlink); 2862 put_user(st.st_uid, &target_st->st_uid); 2863 put_user(st.st_gid, &target_st->st_gid); 2864 put_user(st.st_rdev, &target_st->st_rdev); 2865 /* XXX: better use of kernel struct */ 2866 put_user(st.st_size, &target_st->st_size); 2867 put_user(st.st_blksize, &target_st->st_blksize); 2868 put_user(st.st_blocks, &target_st->st_blocks); 2869 put_user(st.st_atime, &target_st->target_st_atime); 2870 put_user(st.st_mtime, &target_st->target_st_mtime); 2871 put_user(st.st_ctime, &target_st->target_st_ctime); 2872 } 2873 } 2874 break; 2875 #endif 2876 #ifdef USE_UID16 2877 case TARGET_NR_lchown: 2878 ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); 2879 break; 2880 case TARGET_NR_getuid: 2881 ret = get_errno(high2lowuid(getuid())); 2882 break; 2883 case TARGET_NR_getgid: 2884 ret = get_errno(high2lowgid(getgid())); 2885 break; 2886 case TARGET_NR_geteuid: 2887 ret = get_errno(high2lowuid(geteuid())); 2888 break; 2889 case TARGET_NR_getegid: 2890 ret = get_errno(high2lowgid(getegid())); 2891 break; 2892 case TARGET_NR_setreuid: 2893 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 2894 break; 2895 case TARGET_NR_setregid: 2896 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 2897 break; 2898 case TARGET_NR_getgroups: 2899 { 2900 int gidsetsize = arg1; 2901 uint16_t *target_grouplist = (void *)arg2; 2902 gid_t *grouplist; 2903 int i; 2904 2905 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2906 ret = get_errno(getgroups(gidsetsize, grouplist)); 2907 if (!is_error(ret)) { 2908 for(i = 0;i < gidsetsize; i++) 2909 target_grouplist[i] = tswap16(grouplist[i]); 2910 } 2911 } 2912 break; 2913 case TARGET_NR_setgroups: 2914 { 2915 int gidsetsize = arg1; 2916 uint16_t *target_grouplist = (void *)arg2; 2917 gid_t *grouplist; 2918 int i; 2919 2920 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2921 for(i = 0;i < gidsetsize; i++) 2922 grouplist[i] = tswap16(target_grouplist[i]); 2923 ret = get_errno(setgroups(gidsetsize, grouplist)); 2924 } 2925 break; 2926 case TARGET_NR_fchown: 2927 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 2928 break; 2929 #ifdef TARGET_NR_setresuid 2930 case TARGET_NR_setresuid: 2931 ret = get_errno(setresuid(low2highuid(arg1), 2932 low2highuid(arg2), 2933 low2highuid(arg3))); 2934 break; 2935 #endif 2936 #ifdef TARGET_NR_getresuid 2937 case TARGET_NR_getresuid: 2938 { 2939 int ruid, euid, suid; 2940 ret = get_errno(getresuid(&ruid, &euid, &suid)); 2941 if (!is_error(ret)) { 2942 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid)); 2943 *(uint16_t *)arg2 = tswap16(high2lowuid(euid)); 2944 *(uint16_t *)arg3 = tswap16(high2lowuid(suid)); 2945 } 2946 } 2947 break; 2948 #endif 2949 #ifdef TARGET_NR_getresgid 2950 case TARGET_NR_setresgid: 2951 ret = get_errno(setresgid(low2highgid(arg1), 2952 low2highgid(arg2), 2953 low2highgid(arg3))); 2954 break; 2955 #endif 2956 #ifdef TARGET_NR_getresgid 2957 case TARGET_NR_getresgid: 2958 { 2959 int rgid, egid, sgid; 2960 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 2961 if (!is_error(ret)) { 2962 *(uint16_t *)arg1 = tswap16(high2lowgid(rgid)); 2963 *(uint16_t *)arg2 = tswap16(high2lowgid(egid)); 2964 *(uint16_t *)arg3 = tswap16(high2lowgid(sgid)); 2965 } 2966 } 2967 break; 2968 #endif 2969 case TARGET_NR_chown: 2970 ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); 2971 break; 2972 case TARGET_NR_setuid: 2973 ret = get_errno(setuid(low2highuid(arg1))); 2974 break; 2975 case TARGET_NR_setgid: 2976 ret = get_errno(setgid(low2highgid(arg1))); 2977 break; 2978 case TARGET_NR_setfsuid: 2979 ret = get_errno(setfsuid(arg1)); 2980 break; 2981 case TARGET_NR_setfsgid: 2982 ret = get_errno(setfsgid(arg1)); 2983 break; 2984 #endif /* USE_UID16 */ 2985 2986 #ifdef TARGET_NR_lchown32 2987 case TARGET_NR_lchown32: 2988 ret = get_errno(lchown((const char *)arg1, arg2, arg3)); 2989 break; 2990 #endif 2991 #ifdef TARGET_NR_getuid32 2992 case TARGET_NR_getuid32: 2993 ret = get_errno(getuid()); 2994 break; 2995 #endif 2996 #ifdef TARGET_NR_getgid32 2997 case TARGET_NR_getgid32: 2998 ret = get_errno(getgid()); 2999 break; 3000 #endif 3001 #ifdef TARGET_NR_geteuid32 3002 case TARGET_NR_geteuid32: 3003 ret = get_errno(geteuid()); 3004 break; 3005 #endif 3006 #ifdef TARGET_NR_getegid32 3007 case TARGET_NR_getegid32: 3008 ret = get_errno(getegid()); 3009 break; 3010 #endif 3011 #ifdef TARGET_NR_setreuid32 3012 case TARGET_NR_setreuid32: 3013 ret = get_errno(setreuid(arg1, arg2)); 3014 break; 3015 #endif 3016 #ifdef TARGET_NR_setregid32 3017 case TARGET_NR_setregid32: 3018 ret = get_errno(setregid(arg1, arg2)); 3019 break; 3020 #endif 3021 #ifdef TARGET_NR_getgroups32 3022 case TARGET_NR_getgroups32: 3023 { 3024 int gidsetsize = arg1; 3025 uint32_t *target_grouplist = (void *)arg2; 3026 gid_t *grouplist; 3027 int i; 3028 3029 grouplist = alloca(gidsetsize * sizeof(gid_t)); 3030 ret = get_errno(getgroups(gidsetsize, grouplist)); 3031 if (!is_error(ret)) { 3032 for(i = 0;i < gidsetsize; i++) 3033 put_user(grouplist[i], &target_grouplist[i]); 3034 } 3035 } 3036 break; 3037 #endif 3038 #ifdef TARGET_NR_setgroups32 3039 case TARGET_NR_setgroups32: 3040 { 3041 int gidsetsize = arg1; 3042 uint32_t *target_grouplist = (void *)arg2; 3043 gid_t *grouplist; 3044 int i; 3045 3046 grouplist = alloca(gidsetsize * sizeof(gid_t)); 3047 for(i = 0;i < gidsetsize; i++) 3048 get_user(grouplist[i], &target_grouplist[i]); 3049 ret = get_errno(setgroups(gidsetsize, grouplist)); 3050 } 3051 break; 3052 #endif 3053 #ifdef TARGET_NR_fchown32 3054 case TARGET_NR_fchown32: 3055 ret = get_errno(fchown(arg1, arg2, arg3)); 3056 break; 3057 #endif 3058 #ifdef TARGET_NR_setresuid32 3059 case TARGET_NR_setresuid32: 3060 ret = get_errno(setresuid(arg1, arg2, arg3)); 3061 break; 3062 #endif 3063 #ifdef TARGET_NR_getresuid32 3064 case TARGET_NR_getresuid32: 3065 { 3066 int ruid, euid, suid; 3067 ret = get_errno(getresuid(&ruid, &euid, &suid)); 3068 if (!is_error(ret)) { 3069 *(uint32_t *)arg1 = tswap32(ruid); 3070 *(uint32_t *)arg2 = tswap32(euid); 3071 *(uint32_t *)arg3 = tswap32(suid); 3072 } 3073 } 3074 break; 3075 #endif 3076 #ifdef TARGET_NR_setresgid32 3077 case TARGET_NR_setresgid32: 3078 ret = get_errno(setresgid(arg1, arg2, arg3)); 3079 break; 3080 #endif 3081 #ifdef TARGET_NR_getresgid32 3082 case TARGET_NR_getresgid32: 3083 { 3084 int rgid, egid, sgid; 3085 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 3086 if (!is_error(ret)) { 3087 *(uint32_t *)arg1 = tswap32(rgid); 3088 *(uint32_t *)arg2 = tswap32(egid); 3089 *(uint32_t *)arg3 = tswap32(sgid); 3090 } 3091 } 3092 break; 3093 #endif 3094 #ifdef TARGET_NR_chown32 3095 case TARGET_NR_chown32: 3096 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 3097 break; 3098 #endif 3099 #ifdef TARGET_NR_setuid32 3100 case TARGET_NR_setuid32: 3101 ret = get_errno(setuid(arg1)); 3102 break; 3103 #endif 3104 #ifdef TARGET_NR_setgid32 3105 case TARGET_NR_setgid32: 3106 ret = get_errno(setgid(arg1)); 3107 break; 3108 #endif 3109 #ifdef TARGET_NR_setfsuid32 3110 case TARGET_NR_setfsuid32: 3111 ret = get_errno(setfsuid(arg1)); 3112 break; 3113 #endif 3114 #ifdef TARGET_NR_setfsgid32 3115 case TARGET_NR_setfsgid32: 3116 ret = get_errno(setfsgid(arg1)); 3117 break; 3118 #endif 3119 3120 case TARGET_NR_pivot_root: 3121 goto unimplemented; 3122 #ifdef TARGET_NR_mincore 3123 case TARGET_NR_mincore: 3124 goto unimplemented; 3125 #endif 3126 #ifdef TARGET_NR_madvise 3127 case TARGET_NR_madvise: 3128 goto unimplemented; 3129 #endif 3130 #if TARGET_LONG_BITS == 32 3131 case TARGET_NR_fcntl64: 3132 { 3133 struct flock64 fl; 3134 struct target_flock64 *target_fl = (void *)arg3; 3135 3136 switch(arg2) { 3137 case F_GETLK64: 3138 ret = get_errno(fcntl(arg1, arg2, &fl)); 3139 if (ret == 0) { 3140 target_fl->l_type = tswap16(fl.l_type); 3141 target_fl->l_whence = tswap16(fl.l_whence); 3142 target_fl->l_start = tswap64(fl.l_start); 3143 target_fl->l_len = tswap64(fl.l_len); 3144 target_fl->l_pid = tswapl(fl.l_pid); 3145 } 3146 break; 3147 3148 case F_SETLK64: 3149 case F_SETLKW64: 3150 fl.l_type = tswap16(target_fl->l_type); 3151 fl.l_whence = tswap16(target_fl->l_whence); 3152 fl.l_start = tswap64(target_fl->l_start); 3153 fl.l_len = tswap64(target_fl->l_len); 3154 fl.l_pid = tswapl(target_fl->l_pid); 3155 ret = get_errno(fcntl(arg1, arg2, &fl)); 3156 break; 3157 default: 3158 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 3159 break; 3160 } 3161 break; 3162 } 3163 #endif 3164 #ifdef TARGET_NR_security 3165 case TARGET_NR_security: 3166 goto unimplemented; 3167 #endif 3168 #ifdef TARGET_NR_getpagesize 3169 case TARGET_NR_getpagesize: 3170 ret = TARGET_PAGE_SIZE; 3171 break; 3172 #endif 3173 case TARGET_NR_gettid: 3174 ret = get_errno(gettid()); 3175 break; 3176 case TARGET_NR_readahead: 3177 goto unimplemented; 3178 #ifdef TARGET_NR_setxattr 3179 case TARGET_NR_setxattr: 3180 case TARGET_NR_lsetxattr: 3181 case TARGET_NR_fsetxattr: 3182 case TARGET_NR_getxattr: 3183 case TARGET_NR_lgetxattr: 3184 case TARGET_NR_fgetxattr: 3185 case TARGET_NR_listxattr: 3186 case TARGET_NR_llistxattr: 3187 case TARGET_NR_flistxattr: 3188 case TARGET_NR_removexattr: 3189 case TARGET_NR_lremovexattr: 3190 case TARGET_NR_fremovexattr: 3191 goto unimplemented_nowarn; 3192 #endif 3193 #ifdef TARGET_NR_set_thread_area 3194 case TARGET_NR_set_thread_area: 3195 case TARGET_NR_get_thread_area: 3196 goto unimplemented_nowarn; 3197 #endif 3198 default: 3199 unimplemented: 3200 gemu_log("qemu: Unsupported syscall: %d\n", num); 3201 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) 3202 unimplemented_nowarn: 3203 #endif 3204 ret = -ENOSYS; 3205 break; 3206 } 3207 fail: 3208 #ifdef DEBUG 3209 gemu_log(" = %ld\n", ret); 3210 #endif 3211 return ret; 3212 } 3213 3214