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 <sys/statfs.h> 46 #include <utime.h> 47 #include <sys/sysinfo.h> 48 //#include <sys/user.h> 49 #include <netinet/ip.h> 50 #include <netinet/tcp.h> 51 52 #define termios host_termios 53 #define winsize host_winsize 54 #define termio host_termio 55 #define sgttyb host_sgttyb /* same as target */ 56 #define tchars host_tchars /* same as target */ 57 #define ltchars host_ltchars /* same as target */ 58 59 #include <linux/termios.h> 60 #include <linux/unistd.h> 61 #include <linux/utsname.h> 62 #include <linux/cdrom.h> 63 #include <linux/hdreg.h> 64 #include <linux/soundcard.h> 65 #include <linux/dirent.h> 66 #include <linux/kd.h> 67 68 #include "qemu.h" 69 70 //#define DEBUG 71 72 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) 73 /* 16 bit uid wrappers emulation */ 74 #define USE_UID16 75 #endif 76 77 //#include <linux/msdos_fs.h> 78 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) 79 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) 80 81 82 #if defined(__powerpc__) 83 #undef __syscall_nr 84 #undef __sc_loadargs_0 85 #undef __sc_loadargs_1 86 #undef __sc_loadargs_2 87 #undef __sc_loadargs_3 88 #undef __sc_loadargs_4 89 #undef __sc_loadargs_5 90 #undef __sc_asm_input_0 91 #undef __sc_asm_input_1 92 #undef __sc_asm_input_2 93 #undef __sc_asm_input_3 94 #undef __sc_asm_input_4 95 #undef __sc_asm_input_5 96 #undef _syscall0 97 #undef _syscall1 98 #undef _syscall2 99 #undef _syscall3 100 #undef _syscall4 101 #undef _syscall5 102 103 /* need to redefine syscalls as Linux kernel defines are incorrect for 104 the clobber list */ 105 /* On powerpc a system call basically clobbers the same registers like a 106 * function call, with the exception of LR (which is needed for the 107 * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal 108 * an error return status). 109 */ 110 111 #define __syscall_nr(nr, type, name, args...) \ 112 unsigned long __sc_ret, __sc_err; \ 113 { \ 114 register unsigned long __sc_0 __asm__ ("r0"); \ 115 register unsigned long __sc_3 __asm__ ("r3"); \ 116 register unsigned long __sc_4 __asm__ ("r4"); \ 117 register unsigned long __sc_5 __asm__ ("r5"); \ 118 register unsigned long __sc_6 __asm__ ("r6"); \ 119 register unsigned long __sc_7 __asm__ ("r7"); \ 120 \ 121 __sc_loadargs_##nr(name, args); \ 122 __asm__ __volatile__ \ 123 ("sc \n\t" \ 124 "mfcr %0 " \ 125 : "=&r" (__sc_0), \ 126 "=&r" (__sc_3), "=&r" (__sc_4), \ 127 "=&r" (__sc_5), "=&r" (__sc_6), \ 128 "=&r" (__sc_7) \ 129 : __sc_asm_input_##nr \ 130 : "cr0", "ctr", "memory", \ 131 "r8", "r9", "r10","r11", "r12"); \ 132 __sc_ret = __sc_3; \ 133 __sc_err = __sc_0; \ 134 } \ 135 if (__sc_err & 0x10000000) \ 136 { \ 137 errno = __sc_ret; \ 138 __sc_ret = -1; \ 139 } \ 140 return (type) __sc_ret 141 142 #define __sc_loadargs_0(name, dummy...) \ 143 __sc_0 = __NR_##name 144 #define __sc_loadargs_1(name, arg1) \ 145 __sc_loadargs_0(name); \ 146 __sc_3 = (unsigned long) (arg1) 147 #define __sc_loadargs_2(name, arg1, arg2) \ 148 __sc_loadargs_1(name, arg1); \ 149 __sc_4 = (unsigned long) (arg2) 150 #define __sc_loadargs_3(name, arg1, arg2, arg3) \ 151 __sc_loadargs_2(name, arg1, arg2); \ 152 __sc_5 = (unsigned long) (arg3) 153 #define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \ 154 __sc_loadargs_3(name, arg1, arg2, arg3); \ 155 __sc_6 = (unsigned long) (arg4) 156 #define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \ 157 __sc_loadargs_4(name, arg1, arg2, arg3, arg4); \ 158 __sc_7 = (unsigned long) (arg5) 159 160 #define __sc_asm_input_0 "0" (__sc_0) 161 #define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3) 162 #define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4) 163 #define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5) 164 #define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6) 165 #define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7) 166 167 #define _syscall0(type,name) \ 168 type name(void) \ 169 { \ 170 __syscall_nr(0, type, name); \ 171 } 172 173 #define _syscall1(type,name,type1,arg1) \ 174 type name(type1 arg1) \ 175 { \ 176 __syscall_nr(1, type, name, arg1); \ 177 } 178 179 #define _syscall2(type,name,type1,arg1,type2,arg2) \ 180 type name(type1 arg1, type2 arg2) \ 181 { \ 182 __syscall_nr(2, type, name, arg1, arg2); \ 183 } 184 185 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ 186 type name(type1 arg1, type2 arg2, type3 arg3) \ 187 { \ 188 __syscall_nr(3, type, name, arg1, arg2, arg3); \ 189 } 190 191 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ 192 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ 193 { \ 194 __syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \ 195 } 196 197 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ 198 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ 199 { \ 200 __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \ 201 } 202 #endif 203 204 #define __NR_sys_uname __NR_uname 205 #define __NR_sys_getcwd1 __NR_getcwd 206 #define __NR_sys_getdents __NR_getdents 207 #define __NR_sys_getdents64 __NR_getdents64 208 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo 209 210 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) 211 #define __NR__llseek __NR_lseek 212 #endif 213 214 #ifdef __NR_gettid 215 _syscall0(int, gettid) 216 #else 217 static int gettid(void) { 218 return -ENOSYS; 219 } 220 #endif 221 _syscall1(int,sys_uname,struct new_utsname *,buf) 222 _syscall2(int,sys_getcwd1,char *,buf,size_t,size) 223 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); 224 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count); 225 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, 226 loff_t *, res, uint, wh); 227 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) 228 #ifdef __NR_exit_group 229 _syscall1(int,exit_group,int,error_code) 230 #endif 231 232 extern int personality(int); 233 extern int flock(int, int); 234 extern int setfsuid(int); 235 extern int setfsgid(int); 236 extern int setresuid(uid_t, uid_t, uid_t); 237 extern int getresuid(uid_t *, uid_t *, uid_t *); 238 extern int setresgid(gid_t, gid_t, gid_t); 239 extern int getresgid(gid_t *, gid_t *, gid_t *); 240 extern int setgroups(int, gid_t *); 241 242 static inline long get_errno(long ret) 243 { 244 if (ret == -1) 245 return -errno; 246 else 247 return ret; 248 } 249 250 static inline int is_error(long ret) 251 { 252 return (unsigned long)ret >= (unsigned long)(-4096); 253 } 254 255 static char *target_brk; 256 static char *target_original_brk; 257 258 void target_set_brk(char *new_brk) 259 { 260 target_brk = new_brk; 261 target_original_brk = new_brk; 262 } 263 264 long do_brk(char *new_brk) 265 { 266 char *brk_page; 267 long mapped_addr; 268 int new_alloc_size; 269 270 if (!new_brk) 271 return (long)target_brk; 272 if (new_brk < target_original_brk) 273 return -ENOMEM; 274 275 brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk); 276 277 /* If the new brk is less than this, set it and we're done... */ 278 if (new_brk < brk_page) { 279 target_brk = new_brk; 280 return (long)target_brk; 281 } 282 283 /* We need to allocate more memory after the brk... */ 284 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1); 285 mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size, 286 PROT_READ|PROT_WRITE, 287 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); 288 if (is_error(mapped_addr)) { 289 return mapped_addr; 290 } else { 291 target_brk = new_brk; 292 return (long)target_brk; 293 } 294 } 295 296 static inline fd_set *target_to_host_fds(fd_set *fds, 297 target_long *target_fds, int n) 298 { 299 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 300 return (fd_set *)target_fds; 301 #else 302 int i, b; 303 if (target_fds) { 304 FD_ZERO(fds); 305 for(i = 0;i < n; i++) { 306 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> 307 (i & (TARGET_LONG_BITS - 1))) & 1; 308 if (b) 309 FD_SET(i, fds); 310 } 311 return fds; 312 } else { 313 return NULL; 314 } 315 #endif 316 } 317 318 static inline void host_to_target_fds(target_long *target_fds, 319 fd_set *fds, int n) 320 { 321 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 322 /* nothing to do */ 323 #else 324 int i, nw, j, k; 325 target_long v; 326 327 if (target_fds) { 328 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS; 329 k = 0; 330 for(i = 0;i < nw; i++) { 331 v = 0; 332 for(j = 0; j < TARGET_LONG_BITS; j++) { 333 v |= ((FD_ISSET(k, fds) != 0) << j); 334 k++; 335 } 336 target_fds[i] = tswapl(v); 337 } 338 } 339 #endif 340 } 341 342 #if defined(__alpha__) 343 #define HOST_HZ 1024 344 #else 345 #define HOST_HZ 100 346 #endif 347 348 static inline long host_to_target_clock_t(long ticks) 349 { 350 #if HOST_HZ == TARGET_HZ 351 return ticks; 352 #else 353 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; 354 #endif 355 } 356 357 static inline void host_to_target_rusage(struct target_rusage *target_rusage, 358 const struct rusage *rusage) 359 { 360 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); 361 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); 362 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); 363 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); 364 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); 365 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); 366 target_rusage->ru_idrss = tswapl(rusage->ru_idrss); 367 target_rusage->ru_isrss = tswapl(rusage->ru_isrss); 368 target_rusage->ru_minflt = tswapl(rusage->ru_minflt); 369 target_rusage->ru_majflt = tswapl(rusage->ru_majflt); 370 target_rusage->ru_nswap = tswapl(rusage->ru_nswap); 371 target_rusage->ru_inblock = tswapl(rusage->ru_inblock); 372 target_rusage->ru_oublock = tswapl(rusage->ru_oublock); 373 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); 374 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); 375 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); 376 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); 377 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); 378 } 379 380 static inline void target_to_host_timeval(struct timeval *tv, 381 const struct target_timeval *target_tv) 382 { 383 tv->tv_sec = tswapl(target_tv->tv_sec); 384 tv->tv_usec = tswapl(target_tv->tv_usec); 385 } 386 387 static inline void host_to_target_timeval(struct target_timeval *target_tv, 388 const struct timeval *tv) 389 { 390 target_tv->tv_sec = tswapl(tv->tv_sec); 391 target_tv->tv_usec = tswapl(tv->tv_usec); 392 } 393 394 395 static long do_select(long n, 396 target_long *target_rfds, target_long *target_wfds, 397 target_long *target_efds, struct target_timeval *target_tv) 398 { 399 fd_set rfds, wfds, efds; 400 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; 401 struct timeval tv, *tv_ptr; 402 long ret; 403 404 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); 405 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); 406 efds_ptr = target_to_host_fds(&efds, target_efds, n); 407 408 if (target_tv) { 409 target_to_host_timeval(&tv, target_tv); 410 tv_ptr = &tv; 411 } else { 412 tv_ptr = NULL; 413 } 414 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); 415 if (!is_error(ret)) { 416 host_to_target_fds(target_rfds, rfds_ptr, n); 417 host_to_target_fds(target_wfds, wfds_ptr, n); 418 host_to_target_fds(target_efds, efds_ptr, n); 419 420 if (target_tv) { 421 host_to_target_timeval(target_tv, &tv); 422 } 423 } 424 return ret; 425 } 426 427 static inline void target_to_host_sockaddr(struct sockaddr *addr, 428 struct target_sockaddr *target_addr, 429 socklen_t len) 430 { 431 memcpy(addr, target_addr, len); 432 addr->sa_family = tswap16(target_addr->sa_family); 433 } 434 435 static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr, 436 struct sockaddr *addr, 437 socklen_t len) 438 { 439 memcpy(target_addr, addr, len); 440 target_addr->sa_family = tswap16(addr->sa_family); 441 } 442 443 static inline void target_to_host_cmsg(struct msghdr *msgh, 444 struct target_msghdr *target_msgh) 445 { 446 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 447 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 448 socklen_t space = 0; 449 450 while (cmsg && target_cmsg) { 451 void *data = CMSG_DATA(cmsg); 452 void *target_data = TARGET_CMSG_DATA(target_cmsg); 453 454 int len = tswapl(target_cmsg->cmsg_len) 455 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); 456 457 space += CMSG_SPACE(len); 458 if (space > msgh->msg_controllen) { 459 space -= CMSG_SPACE(len); 460 gemu_log("Host cmsg overflow\n"); 461 break; 462 } 463 464 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); 465 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); 466 cmsg->cmsg_len = CMSG_LEN(len); 467 468 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 469 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 470 memcpy(data, target_data, len); 471 } else { 472 int *fd = (int *)data; 473 int *target_fd = (int *)target_data; 474 int i, numfds = len / sizeof(int); 475 476 for (i = 0; i < numfds; i++) 477 fd[i] = tswap32(target_fd[i]); 478 } 479 480 cmsg = CMSG_NXTHDR(msgh, cmsg); 481 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 482 } 483 484 msgh->msg_controllen = space; 485 } 486 487 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh, 488 struct msghdr *msgh) 489 { 490 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 491 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 492 socklen_t space = 0; 493 494 while (cmsg && target_cmsg) { 495 void *data = CMSG_DATA(cmsg); 496 void *target_data = TARGET_CMSG_DATA(target_cmsg); 497 498 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); 499 500 space += TARGET_CMSG_SPACE(len); 501 if (space > tswapl(target_msgh->msg_controllen)) { 502 space -= TARGET_CMSG_SPACE(len); 503 gemu_log("Target cmsg overflow\n"); 504 break; 505 } 506 507 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); 508 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); 509 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); 510 511 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 512 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 513 memcpy(target_data, data, len); 514 } else { 515 int *fd = (int *)data; 516 int *target_fd = (int *)target_data; 517 int i, numfds = len / sizeof(int); 518 519 for (i = 0; i < numfds; i++) 520 target_fd[i] = tswap32(fd[i]); 521 } 522 523 cmsg = CMSG_NXTHDR(msgh, cmsg); 524 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 525 } 526 527 msgh->msg_controllen = tswapl(space); 528 } 529 530 static long do_setsockopt(int sockfd, int level, int optname, 531 void *optval, socklen_t optlen) 532 { 533 int val, ret; 534 535 switch(level) { 536 case SOL_TCP: 537 /* TCP options all take an 'int' value. */ 538 if (optlen < sizeof(uint32_t)) 539 return -EINVAL; 540 541 if (get_user(val, (uint32_t *)optval)) 542 return -EFAULT; 543 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 544 break; 545 case SOL_IP: 546 switch(optname) { 547 case IP_TOS: 548 case IP_TTL: 549 case IP_HDRINCL: 550 case IP_ROUTER_ALERT: 551 case IP_RECVOPTS: 552 case IP_RETOPTS: 553 case IP_PKTINFO: 554 case IP_MTU_DISCOVER: 555 case IP_RECVERR: 556 case IP_RECVTOS: 557 #ifdef IP_FREEBIND 558 case IP_FREEBIND: 559 #endif 560 case IP_MULTICAST_TTL: 561 case IP_MULTICAST_LOOP: 562 val = 0; 563 if (optlen >= sizeof(uint32_t)) { 564 if (get_user(val, (uint32_t *)optval)) 565 return -EFAULT; 566 } else if (optlen >= 1) { 567 if (get_user(val, (uint8_t *)optval)) 568 return -EFAULT; 569 } 570 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 571 break; 572 default: 573 goto unimplemented; 574 } 575 break; 576 case SOL_SOCKET: 577 switch (optname) { 578 /* Options with 'int' argument. */ 579 case SO_DEBUG: 580 case SO_REUSEADDR: 581 case SO_TYPE: 582 case SO_ERROR: 583 case SO_DONTROUTE: 584 case SO_BROADCAST: 585 case SO_SNDBUF: 586 case SO_RCVBUF: 587 case SO_KEEPALIVE: 588 case SO_OOBINLINE: 589 case SO_NO_CHECK: 590 case SO_PRIORITY: 591 #ifdef SO_BSDCOMPAT 592 case SO_BSDCOMPAT: 593 #endif 594 case SO_PASSCRED: 595 case SO_TIMESTAMP: 596 case SO_RCVLOWAT: 597 case SO_RCVTIMEO: 598 case SO_SNDTIMEO: 599 if (optlen < sizeof(uint32_t)) 600 return -EINVAL; 601 if (get_user(val, (uint32_t *)optval)) 602 return -EFAULT; 603 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 604 break; 605 default: 606 goto unimplemented; 607 } 608 break; 609 default: 610 unimplemented: 611 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); 612 ret = -ENOSYS; 613 } 614 return ret; 615 } 616 617 static long do_getsockopt(int sockfd, int level, int optname, 618 void *optval, socklen_t *optlen) 619 { 620 int len, lv, val, ret; 621 622 switch(level) { 623 case SOL_SOCKET: 624 switch (optname) { 625 case SO_LINGER: 626 case SO_RCVTIMEO: 627 case SO_SNDTIMEO: 628 case SO_PEERCRED: 629 case SO_PEERNAME: 630 /* These don't just return a single integer */ 631 goto unimplemented; 632 default: 633 goto int_case; 634 } 635 break; 636 case SOL_TCP: 637 /* TCP options all take an 'int' value. */ 638 int_case: 639 if (get_user(len, optlen)) 640 return -EFAULT; 641 if (len < 0) 642 return -EINVAL; 643 lv = sizeof(int); 644 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 645 if (ret < 0) 646 return ret; 647 val = tswap32(val); 648 if (len > lv) 649 len = lv; 650 if (copy_to_user(optval, &val, len)) 651 return -EFAULT; 652 if (put_user(len, optlen)) 653 return -EFAULT; 654 break; 655 case SOL_IP: 656 switch(optname) { 657 case IP_TOS: 658 case IP_TTL: 659 case IP_HDRINCL: 660 case IP_ROUTER_ALERT: 661 case IP_RECVOPTS: 662 case IP_RETOPTS: 663 case IP_PKTINFO: 664 case IP_MTU_DISCOVER: 665 case IP_RECVERR: 666 case IP_RECVTOS: 667 #ifdef IP_FREEBIND 668 case IP_FREEBIND: 669 #endif 670 case IP_MULTICAST_TTL: 671 case IP_MULTICAST_LOOP: 672 if (get_user(len, optlen)) 673 return -EFAULT; 674 if (len < 0) 675 return -EINVAL; 676 lv = sizeof(int); 677 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 678 if (ret < 0) 679 return ret; 680 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { 681 unsigned char ucval = val; 682 len = 1; 683 if (put_user(len, optlen)) 684 return -EFAULT; 685 if (copy_to_user(optval,&ucval,1)) 686 return -EFAULT; 687 } else { 688 val = tswap32(val); 689 if (len > sizeof(int)) 690 len = sizeof(int); 691 if (put_user(len, optlen)) 692 return -EFAULT; 693 if (copy_to_user(optval, &val, len)) 694 return -EFAULT; 695 } 696 break; 697 default: 698 goto unimplemented; 699 } 700 break; 701 default: 702 unimplemented: 703 gemu_log("getsockopt level=%d optname=%d not yet supported\n", 704 level, optname); 705 ret = -ENOSYS; 706 break; 707 } 708 return ret; 709 } 710 711 static long do_socketcall(int num, int32_t *vptr) 712 { 713 long ret; 714 715 switch(num) { 716 case SOCKOP_socket: 717 { 718 int domain = tswap32(vptr[0]); 719 int type = tswap32(vptr[1]); 720 int protocol = tswap32(vptr[2]); 721 722 ret = get_errno(socket(domain, type, protocol)); 723 } 724 break; 725 case SOCKOP_bind: 726 { 727 int sockfd = tswap32(vptr[0]); 728 void *target_addr = (void *)tswap32(vptr[1]); 729 socklen_t addrlen = tswap32(vptr[2]); 730 void *addr = alloca(addrlen); 731 732 target_to_host_sockaddr(addr, target_addr, addrlen); 733 ret = get_errno(bind(sockfd, addr, addrlen)); 734 } 735 break; 736 case SOCKOP_connect: 737 { 738 int sockfd = tswap32(vptr[0]); 739 void *target_addr = (void *)tswap32(vptr[1]); 740 socklen_t addrlen = tswap32(vptr[2]); 741 void *addr = alloca(addrlen); 742 743 target_to_host_sockaddr(addr, target_addr, addrlen); 744 ret = get_errno(connect(sockfd, addr, addrlen)); 745 } 746 break; 747 case SOCKOP_listen: 748 { 749 int sockfd = tswap32(vptr[0]); 750 int backlog = tswap32(vptr[1]); 751 752 ret = get_errno(listen(sockfd, backlog)); 753 } 754 break; 755 case SOCKOP_accept: 756 { 757 int sockfd = tswap32(vptr[0]); 758 void *target_addr = (void *)tswap32(vptr[1]); 759 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 760 socklen_t addrlen = tswap32(*target_addrlen); 761 void *addr = alloca(addrlen); 762 763 ret = get_errno(accept(sockfd, addr, &addrlen)); 764 if (!is_error(ret)) { 765 host_to_target_sockaddr(target_addr, addr, addrlen); 766 *target_addrlen = tswap32(addrlen); 767 } 768 } 769 break; 770 case SOCKOP_getsockname: 771 { 772 int sockfd = tswap32(vptr[0]); 773 void *target_addr = (void *)tswap32(vptr[1]); 774 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 775 socklen_t addrlen = tswap32(*target_addrlen); 776 void *addr = alloca(addrlen); 777 778 ret = get_errno(getsockname(sockfd, addr, &addrlen)); 779 if (!is_error(ret)) { 780 host_to_target_sockaddr(target_addr, addr, addrlen); 781 *target_addrlen = tswap32(addrlen); 782 } 783 } 784 break; 785 case SOCKOP_getpeername: 786 { 787 int sockfd = tswap32(vptr[0]); 788 void *target_addr = (void *)tswap32(vptr[1]); 789 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 790 socklen_t addrlen = tswap32(*target_addrlen); 791 void *addr = alloca(addrlen); 792 793 ret = get_errno(getpeername(sockfd, addr, &addrlen)); 794 if (!is_error(ret)) { 795 host_to_target_sockaddr(target_addr, addr, addrlen); 796 *target_addrlen = tswap32(addrlen); 797 } 798 } 799 break; 800 case SOCKOP_socketpair: 801 { 802 int domain = tswap32(vptr[0]); 803 int type = tswap32(vptr[1]); 804 int protocol = tswap32(vptr[2]); 805 int32_t *target_tab = (void *)tswap32(vptr[3]); 806 int tab[2]; 807 808 ret = get_errno(socketpair(domain, type, protocol, tab)); 809 if (!is_error(ret)) { 810 target_tab[0] = tswap32(tab[0]); 811 target_tab[1] = tswap32(tab[1]); 812 } 813 } 814 break; 815 case SOCKOP_send: 816 { 817 int sockfd = tswap32(vptr[0]); 818 void *msg = (void *)tswap32(vptr[1]); 819 size_t len = tswap32(vptr[2]); 820 int flags = tswap32(vptr[3]); 821 822 ret = get_errno(send(sockfd, msg, len, flags)); 823 } 824 break; 825 case SOCKOP_recv: 826 { 827 int sockfd = tswap32(vptr[0]); 828 void *msg = (void *)tswap32(vptr[1]); 829 size_t len = tswap32(vptr[2]); 830 int flags = tswap32(vptr[3]); 831 832 ret = get_errno(recv(sockfd, msg, len, flags)); 833 } 834 break; 835 case SOCKOP_sendto: 836 { 837 int sockfd = tswap32(vptr[0]); 838 void *msg = (void *)tswap32(vptr[1]); 839 size_t len = tswap32(vptr[2]); 840 int flags = tswap32(vptr[3]); 841 void *target_addr = (void *)tswap32(vptr[4]); 842 socklen_t addrlen = tswap32(vptr[5]); 843 void *addr = alloca(addrlen); 844 845 target_to_host_sockaddr(addr, target_addr, addrlen); 846 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen)); 847 } 848 break; 849 case SOCKOP_recvfrom: 850 { 851 int sockfd = tswap32(vptr[0]); 852 void *msg = (void *)tswap32(vptr[1]); 853 size_t len = tswap32(vptr[2]); 854 int flags = tswap32(vptr[3]); 855 void *target_addr = (void *)tswap32(vptr[4]); 856 uint32_t *target_addrlen = (void *)tswap32(vptr[5]); 857 socklen_t addrlen = tswap32(*target_addrlen); 858 void *addr = alloca(addrlen); 859 860 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen)); 861 if (!is_error(ret)) { 862 host_to_target_sockaddr(target_addr, addr, addrlen); 863 *target_addrlen = tswap32(addrlen); 864 } 865 } 866 break; 867 case SOCKOP_shutdown: 868 { 869 int sockfd = tswap32(vptr[0]); 870 int how = tswap32(vptr[1]); 871 872 ret = get_errno(shutdown(sockfd, how)); 873 } 874 break; 875 case SOCKOP_sendmsg: 876 case SOCKOP_recvmsg: 877 { 878 int fd; 879 struct target_msghdr *msgp; 880 struct msghdr msg; 881 int flags, count, i; 882 struct iovec *vec; 883 struct target_iovec *target_vec; 884 885 msgp = (void *)tswap32(vptr[1]); 886 msg.msg_name = (void *)tswapl(msgp->msg_name); 887 msg.msg_namelen = tswapl(msgp->msg_namelen); 888 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); 889 msg.msg_control = alloca(msg.msg_controllen); 890 msg.msg_flags = tswap32(msgp->msg_flags); 891 892 count = tswapl(msgp->msg_iovlen); 893 vec = alloca(count * sizeof(struct iovec)); 894 target_vec = (void *)tswapl(msgp->msg_iov); 895 for(i = 0;i < count; i++) { 896 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 897 vec[i].iov_len = tswapl(target_vec[i].iov_len); 898 } 899 msg.msg_iovlen = count; 900 msg.msg_iov = vec; 901 902 fd = tswap32(vptr[0]); 903 flags = tswap32(vptr[2]); 904 if (num == SOCKOP_sendmsg) { 905 target_to_host_cmsg(&msg, msgp); 906 ret = get_errno(sendmsg(fd, &msg, flags)); 907 } else { 908 ret = get_errno(recvmsg(fd, &msg, flags)); 909 if (!is_error(ret)) 910 host_to_target_cmsg(msgp, &msg); 911 } 912 } 913 break; 914 case SOCKOP_setsockopt: 915 { 916 int sockfd = tswap32(vptr[0]); 917 int level = tswap32(vptr[1]); 918 int optname = tswap32(vptr[2]); 919 void *optval = (void *)tswap32(vptr[3]); 920 socklen_t optlen = tswap32(vptr[4]); 921 922 ret = do_setsockopt(sockfd, level, optname, optval, optlen); 923 } 924 break; 925 case SOCKOP_getsockopt: 926 { 927 int sockfd = tswap32(vptr[0]); 928 int level = tswap32(vptr[1]); 929 int optname = tswap32(vptr[2]); 930 void *optval = (void *)tswap32(vptr[3]); 931 uint32_t *poptlen = (void *)tswap32(vptr[4]); 932 933 ret = do_getsockopt(sockfd, level, optname, optval, poptlen); 934 } 935 break; 936 default: 937 gemu_log("Unsupported socketcall: %d\n", num); 938 ret = -ENOSYS; 939 break; 940 } 941 return ret; 942 } 943 944 945 #define N_SHM_REGIONS 32 946 947 static struct shm_region { 948 uint32_t start; 949 uint32_t size; 950 } shm_regions[N_SHM_REGIONS]; 951 952 static long do_ipc(long call, long first, long second, long third, 953 long ptr, long fifth) 954 { 955 int version; 956 long ret = 0; 957 unsigned long raddr; 958 struct shmid_ds shm_info; 959 int i; 960 961 version = call >> 16; 962 call &= 0xffff; 963 964 switch (call) { 965 case IPCOP_shmat: 966 /* SHM_* flags are the same on all linux platforms */ 967 ret = get_errno((long) shmat(first, (void *) ptr, second)); 968 if (is_error(ret)) 969 break; 970 raddr = ret; 971 /* find out the length of the shared memory segment */ 972 973 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 974 if (is_error(ret)) { 975 /* can't get length, bail out */ 976 shmdt((void *) raddr); 977 break; 978 } 979 page_set_flags(raddr, raddr + shm_info.shm_segsz, 980 PAGE_VALID | PAGE_READ | 981 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 982 for (i = 0; i < N_SHM_REGIONS; ++i) { 983 if (shm_regions[i].start == 0) { 984 shm_regions[i].start = raddr; 985 shm_regions[i].size = shm_info.shm_segsz; 986 break; 987 } 988 } 989 if (put_user(raddr, (uint32_t *)third)) 990 return -EFAULT; 991 ret = 0; 992 break; 993 case IPCOP_shmdt: 994 for (i = 0; i < N_SHM_REGIONS; ++i) { 995 if (shm_regions[i].start == ptr) { 996 shm_regions[i].start = 0; 997 page_set_flags(ptr, shm_regions[i].size, 0); 998 break; 999 } 1000 } 1001 ret = get_errno(shmdt((void *) ptr)); 1002 break; 1003 1004 case IPCOP_shmget: 1005 /* IPC_* flag values are the same on all linux platforms */ 1006 ret = get_errno(shmget(first, second, third)); 1007 break; 1008 1009 /* IPC_* and SHM_* command values are the same on all linux platforms */ 1010 case IPCOP_shmctl: 1011 switch(second) { 1012 case IPC_RMID: 1013 case SHM_LOCK: 1014 case SHM_UNLOCK: 1015 ret = get_errno(shmctl(first, second, NULL)); 1016 break; 1017 default: 1018 goto unimplemented; 1019 } 1020 break; 1021 default: 1022 unimplemented: 1023 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version); 1024 ret = -ENOSYS; 1025 break; 1026 } 1027 return ret; 1028 } 1029 1030 /* kernel structure types definitions */ 1031 #define IFNAMSIZ 16 1032 1033 #define STRUCT(name, list...) STRUCT_ ## name, 1034 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 1035 enum { 1036 #include "syscall_types.h" 1037 }; 1038 #undef STRUCT 1039 #undef STRUCT_SPECIAL 1040 1041 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 1042 #define STRUCT_SPECIAL(name) 1043 #include "syscall_types.h" 1044 #undef STRUCT 1045 #undef STRUCT_SPECIAL 1046 1047 typedef struct IOCTLEntry { 1048 unsigned int target_cmd; 1049 unsigned int host_cmd; 1050 const char *name; 1051 int access; 1052 const argtype arg_type[5]; 1053 } IOCTLEntry; 1054 1055 #define IOC_R 0x0001 1056 #define IOC_W 0x0002 1057 #define IOC_RW (IOC_R | IOC_W) 1058 1059 #define MAX_STRUCT_SIZE 4096 1060 1061 IOCTLEntry ioctl_entries[] = { 1062 #define IOCTL(cmd, access, types...) \ 1063 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 1064 #include "ioctls.h" 1065 { 0, 0, }, 1066 }; 1067 1068 static long do_ioctl(long fd, long cmd, long arg) 1069 { 1070 const IOCTLEntry *ie; 1071 const argtype *arg_type; 1072 long ret; 1073 uint8_t buf_temp[MAX_STRUCT_SIZE]; 1074 1075 ie = ioctl_entries; 1076 for(;;) { 1077 if (ie->target_cmd == 0) { 1078 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); 1079 return -ENOSYS; 1080 } 1081 if (ie->target_cmd == cmd) 1082 break; 1083 ie++; 1084 } 1085 arg_type = ie->arg_type; 1086 #if defined(DEBUG) 1087 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); 1088 #endif 1089 switch(arg_type[0]) { 1090 case TYPE_NULL: 1091 /* no argument */ 1092 ret = get_errno(ioctl(fd, ie->host_cmd)); 1093 break; 1094 case TYPE_PTRVOID: 1095 case TYPE_INT: 1096 /* int argment */ 1097 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 1098 break; 1099 case TYPE_PTR: 1100 arg_type++; 1101 switch(ie->access) { 1102 case IOC_R: 1103 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1104 if (!is_error(ret)) { 1105 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 1106 } 1107 break; 1108 case IOC_W: 1109 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 1110 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1111 break; 1112 default: 1113 case IOC_RW: 1114 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 1115 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1116 if (!is_error(ret)) { 1117 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 1118 } 1119 break; 1120 } 1121 break; 1122 default: 1123 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); 1124 ret = -ENOSYS; 1125 break; 1126 } 1127 return ret; 1128 } 1129 1130 bitmask_transtbl iflag_tbl[] = { 1131 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 1132 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 1133 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 1134 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 1135 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 1136 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 1137 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 1138 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 1139 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 1140 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 1141 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 1142 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 1143 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 1144 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 1145 { 0, 0, 0, 0 } 1146 }; 1147 1148 bitmask_transtbl oflag_tbl[] = { 1149 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 1150 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 1151 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 1152 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 1153 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 1154 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 1155 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 1156 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 1157 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 1158 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 1159 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 1160 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 1161 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 1162 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 1163 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 1164 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 1165 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 1166 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 1167 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 1168 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 1169 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 1170 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 1171 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 1172 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 1173 { 0, 0, 0, 0 } 1174 }; 1175 1176 bitmask_transtbl cflag_tbl[] = { 1177 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 1178 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 1179 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 1180 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 1181 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 1182 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 1183 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 1184 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 1185 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 1186 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 1187 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 1188 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 1189 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 1190 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 1191 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 1192 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 1193 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 1194 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 1195 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 1196 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 1197 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 1198 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 1199 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 1200 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 1201 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 1202 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 1203 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 1204 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 1205 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 1206 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 1207 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 1208 { 0, 0, 0, 0 } 1209 }; 1210 1211 bitmask_transtbl lflag_tbl[] = { 1212 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 1213 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 1214 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 1215 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 1216 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 1217 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 1218 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 1219 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 1220 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 1221 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 1222 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 1223 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 1224 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 1225 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 1226 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 1227 { 0, 0, 0, 0 } 1228 }; 1229 1230 static void target_to_host_termios (void *dst, const void *src) 1231 { 1232 struct host_termios *host = dst; 1233 const struct target_termios *target = src; 1234 1235 host->c_iflag = 1236 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 1237 host->c_oflag = 1238 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 1239 host->c_cflag = 1240 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 1241 host->c_lflag = 1242 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 1243 host->c_line = target->c_line; 1244 1245 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 1246 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 1247 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 1248 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 1249 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 1250 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 1251 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 1252 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 1253 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 1254 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 1255 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 1256 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 1257 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 1258 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 1259 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 1260 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 1261 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 1262 } 1263 1264 static void host_to_target_termios (void *dst, const void *src) 1265 { 1266 struct target_termios *target = dst; 1267 const struct host_termios *host = src; 1268 1269 target->c_iflag = 1270 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 1271 target->c_oflag = 1272 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 1273 target->c_cflag = 1274 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 1275 target->c_lflag = 1276 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 1277 target->c_line = host->c_line; 1278 1279 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 1280 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 1281 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 1282 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 1283 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 1284 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 1285 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 1286 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 1287 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 1288 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 1289 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 1290 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 1291 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 1292 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 1293 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 1294 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 1295 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 1296 } 1297 1298 StructEntry struct_termios_def = { 1299 .convert = { host_to_target_termios, target_to_host_termios }, 1300 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 1301 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 1302 }; 1303 1304 static bitmask_transtbl mmap_flags_tbl[] = { 1305 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 1306 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 1307 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 1308 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 1309 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 1310 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 1311 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 1312 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 1313 { 0, 0, 0, 0 } 1314 }; 1315 1316 static bitmask_transtbl fcntl_flags_tbl[] = { 1317 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 1318 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 1319 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 1320 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 1321 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 1322 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 1323 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 1324 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 1325 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 1326 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 1327 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 1328 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 1329 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 1330 #if defined(O_DIRECT) 1331 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 1332 #endif 1333 { 0, 0, 0, 0 } 1334 }; 1335 1336 #if defined(TARGET_I386) 1337 1338 /* NOTE: there is really one LDT for all the threads */ 1339 uint8_t *ldt_table; 1340 1341 static int read_ldt(void *ptr, unsigned long bytecount) 1342 { 1343 int size; 1344 1345 if (!ldt_table) 1346 return 0; 1347 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 1348 if (size > bytecount) 1349 size = bytecount; 1350 memcpy(ptr, ldt_table, size); 1351 return size; 1352 } 1353 1354 /* XXX: add locking support */ 1355 static int write_ldt(CPUX86State *env, 1356 void *ptr, unsigned long bytecount, int oldmode) 1357 { 1358 struct target_modify_ldt_ldt_s ldt_info; 1359 int seg_32bit, contents, read_exec_only, limit_in_pages; 1360 int seg_not_present, useable; 1361 uint32_t *lp, entry_1, entry_2; 1362 1363 if (bytecount != sizeof(ldt_info)) 1364 return -EINVAL; 1365 memcpy(&ldt_info, ptr, sizeof(ldt_info)); 1366 tswap32s(&ldt_info.entry_number); 1367 tswapls((long *)&ldt_info.base_addr); 1368 tswap32s(&ldt_info.limit); 1369 tswap32s(&ldt_info.flags); 1370 1371 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 1372 return -EINVAL; 1373 seg_32bit = ldt_info.flags & 1; 1374 contents = (ldt_info.flags >> 1) & 3; 1375 read_exec_only = (ldt_info.flags >> 3) & 1; 1376 limit_in_pages = (ldt_info.flags >> 4) & 1; 1377 seg_not_present = (ldt_info.flags >> 5) & 1; 1378 useable = (ldt_info.flags >> 6) & 1; 1379 1380 if (contents == 3) { 1381 if (oldmode) 1382 return -EINVAL; 1383 if (seg_not_present == 0) 1384 return -EINVAL; 1385 } 1386 /* allocate the LDT */ 1387 if (!ldt_table) { 1388 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1389 if (!ldt_table) 1390 return -ENOMEM; 1391 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1392 env->ldt.base = (long)ldt_table; 1393 env->ldt.limit = 0xffff; 1394 } 1395 1396 /* NOTE: same code as Linux kernel */ 1397 /* Allow LDTs to be cleared by the user. */ 1398 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 1399 if (oldmode || 1400 (contents == 0 && 1401 read_exec_only == 1 && 1402 seg_32bit == 0 && 1403 limit_in_pages == 0 && 1404 seg_not_present == 1 && 1405 useable == 0 )) { 1406 entry_1 = 0; 1407 entry_2 = 0; 1408 goto install; 1409 } 1410 } 1411 1412 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 1413 (ldt_info.limit & 0x0ffff); 1414 entry_2 = (ldt_info.base_addr & 0xff000000) | 1415 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 1416 (ldt_info.limit & 0xf0000) | 1417 ((read_exec_only ^ 1) << 9) | 1418 (contents << 10) | 1419 ((seg_not_present ^ 1) << 15) | 1420 (seg_32bit << 22) | 1421 (limit_in_pages << 23) | 1422 0x7000; 1423 if (!oldmode) 1424 entry_2 |= (useable << 20); 1425 1426 /* Install the new entry ... */ 1427 install: 1428 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 1429 lp[0] = tswap32(entry_1); 1430 lp[1] = tswap32(entry_2); 1431 return 0; 1432 } 1433 1434 /* specific and weird i386 syscalls */ 1435 int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount) 1436 { 1437 int ret = -ENOSYS; 1438 1439 switch (func) { 1440 case 0: 1441 ret = read_ldt(ptr, bytecount); 1442 break; 1443 case 1: 1444 ret = write_ldt(env, ptr, bytecount, 1); 1445 break; 1446 case 0x11: 1447 ret = write_ldt(env, ptr, bytecount, 0); 1448 break; 1449 } 1450 return ret; 1451 } 1452 1453 #endif /* defined(TARGET_I386) */ 1454 1455 /* this stack is the equivalent of the kernel stack associated with a 1456 thread/process */ 1457 #define NEW_STACK_SIZE 8192 1458 1459 static int clone_func(void *arg) 1460 { 1461 CPUState *env = arg; 1462 cpu_loop(env); 1463 /* never exits */ 1464 return 0; 1465 } 1466 1467 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp) 1468 { 1469 int ret; 1470 TaskState *ts; 1471 uint8_t *new_stack; 1472 CPUState *new_env; 1473 1474 if (flags & CLONE_VM) { 1475 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 1476 memset(ts, 0, sizeof(TaskState)); 1477 new_stack = ts->stack; 1478 ts->used = 1; 1479 /* add in task state list */ 1480 ts->next = first_task_state; 1481 first_task_state = ts; 1482 /* we create a new CPU instance. */ 1483 new_env = cpu_init(); 1484 memcpy(new_env, env, sizeof(CPUState)); 1485 #if defined(TARGET_I386) 1486 if (!newsp) 1487 newsp = env->regs[R_ESP]; 1488 new_env->regs[R_ESP] = newsp; 1489 new_env->regs[R_EAX] = 0; 1490 #elif defined(TARGET_ARM) 1491 if (!newsp) 1492 newsp = env->regs[13]; 1493 new_env->regs[13] = newsp; 1494 new_env->regs[0] = 0; 1495 #elif defined(TARGET_SPARC) 1496 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 1497 #elif defined(TARGET_MIPS) 1498 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 1499 #elif defined(TARGET_PPC) 1500 if (!newsp) 1501 newsp = env->gpr[1]; 1502 new_env->gpr[1] = newsp; 1503 { 1504 int i; 1505 for (i = 7; i < 32; i++) 1506 new_env->gpr[i] = 0; 1507 } 1508 #else 1509 #error unsupported target CPU 1510 #endif 1511 new_env->opaque = ts; 1512 #ifdef __ia64__ 1513 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1514 #else 1515 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1516 #endif 1517 } else { 1518 /* if no CLONE_VM, we consider it is a fork */ 1519 if ((flags & ~CSIGNAL) != 0) 1520 return -EINVAL; 1521 ret = fork(); 1522 } 1523 return ret; 1524 } 1525 1526 static long do_fcntl(int fd, int cmd, unsigned long arg) 1527 { 1528 struct flock fl; 1529 struct target_flock *target_fl = (void *)arg; 1530 long ret; 1531 1532 switch(cmd) { 1533 case TARGET_F_GETLK: 1534 ret = fcntl(fd, cmd, &fl); 1535 if (ret == 0) { 1536 target_fl->l_type = tswap16(fl.l_type); 1537 target_fl->l_whence = tswap16(fl.l_whence); 1538 target_fl->l_start = tswapl(fl.l_start); 1539 target_fl->l_len = tswapl(fl.l_len); 1540 target_fl->l_pid = tswapl(fl.l_pid); 1541 } 1542 break; 1543 1544 case TARGET_F_SETLK: 1545 case TARGET_F_SETLKW: 1546 fl.l_type = tswap16(target_fl->l_type); 1547 fl.l_whence = tswap16(target_fl->l_whence); 1548 fl.l_start = tswapl(target_fl->l_start); 1549 fl.l_len = tswapl(target_fl->l_len); 1550 fl.l_pid = tswapl(target_fl->l_pid); 1551 ret = fcntl(fd, cmd, &fl); 1552 break; 1553 1554 case TARGET_F_GETLK64: 1555 case TARGET_F_SETLK64: 1556 case TARGET_F_SETLKW64: 1557 ret = -1; 1558 errno = EINVAL; 1559 break; 1560 1561 case F_GETFL: 1562 ret = fcntl(fd, cmd, arg); 1563 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 1564 break; 1565 1566 case F_SETFL: 1567 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)); 1568 break; 1569 1570 default: 1571 ret = fcntl(fd, cmd, arg); 1572 break; 1573 } 1574 return ret; 1575 } 1576 1577 #ifdef USE_UID16 1578 1579 static inline int high2lowuid(int uid) 1580 { 1581 if (uid > 65535) 1582 return 65534; 1583 else 1584 return uid; 1585 } 1586 1587 static inline int high2lowgid(int gid) 1588 { 1589 if (gid > 65535) 1590 return 65534; 1591 else 1592 return gid; 1593 } 1594 1595 static inline int low2highuid(int uid) 1596 { 1597 if ((int16_t)uid == -1) 1598 return -1; 1599 else 1600 return uid; 1601 } 1602 1603 static inline int low2highgid(int gid) 1604 { 1605 if ((int16_t)gid == -1) 1606 return -1; 1607 else 1608 return gid; 1609 } 1610 1611 #endif /* USE_UID16 */ 1612 1613 void syscall_init(void) 1614 { 1615 IOCTLEntry *ie; 1616 const argtype *arg_type; 1617 int size; 1618 1619 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 1620 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 1621 #include "syscall_types.h" 1622 #undef STRUCT 1623 #undef STRUCT_SPECIAL 1624 1625 /* we patch the ioctl size if necessary. We rely on the fact that 1626 no ioctl has all the bits at '1' in the size field */ 1627 ie = ioctl_entries; 1628 while (ie->target_cmd != 0) { 1629 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 1630 TARGET_IOC_SIZEMASK) { 1631 arg_type = ie->arg_type; 1632 if (arg_type[0] != TYPE_PTR) { 1633 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 1634 ie->target_cmd); 1635 exit(1); 1636 } 1637 arg_type++; 1638 size = thunk_type_size(arg_type, 0); 1639 ie->target_cmd = (ie->target_cmd & 1640 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 1641 (size << TARGET_IOC_SIZESHIFT); 1642 } 1643 /* automatic consistency check if same arch */ 1644 #if defined(__i386__) && defined(TARGET_I386) 1645 if (ie->target_cmd != ie->host_cmd) { 1646 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 1647 ie->target_cmd, ie->host_cmd); 1648 } 1649 #endif 1650 ie++; 1651 } 1652 } 1653 1654 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) 1655 { 1656 #ifdef TARGET_WORDS_BIG_ENDIAN 1657 return ((uint64_t)word0 << 32) | word1; 1658 #else 1659 return ((uint64_t)word1 << 32) | word0; 1660 #endif 1661 } 1662 1663 #ifdef TARGET_NR_truncate64 1664 static inline long target_truncate64(void *cpu_env, const char *arg1, 1665 long arg2, long arg3, long arg4) 1666 { 1667 #ifdef TARGET_ARM 1668 if (((CPUARMState *)cpu_env)->eabi) 1669 { 1670 arg2 = arg3; 1671 arg3 = arg4; 1672 } 1673 #endif 1674 return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); 1675 } 1676 #endif 1677 1678 #ifdef TARGET_NR_ftruncate64 1679 static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2, 1680 long arg3, long arg4) 1681 { 1682 #ifdef TARGET_ARM 1683 if (((CPUARMState *)cpu_env)->eabi) 1684 { 1685 arg2 = arg3; 1686 arg3 = arg4; 1687 } 1688 #endif 1689 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); 1690 } 1691 #endif 1692 1693 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 1694 long arg4, long arg5, long arg6) 1695 { 1696 long ret; 1697 struct stat st; 1698 struct statfs stfs; 1699 1700 #ifdef DEBUG 1701 gemu_log("syscall %d", num); 1702 #endif 1703 switch(num) { 1704 case TARGET_NR_exit: 1705 #ifdef HAVE_GPROF 1706 _mcleanup(); 1707 #endif 1708 gdb_exit(cpu_env, arg1); 1709 /* XXX: should free thread stack and CPU env */ 1710 _exit(arg1); 1711 ret = 0; /* avoid warning */ 1712 break; 1713 case TARGET_NR_read: 1714 page_unprotect_range((void *)arg2, arg3); 1715 ret = get_errno(read(arg1, (void *)arg2, arg3)); 1716 break; 1717 case TARGET_NR_write: 1718 ret = get_errno(write(arg1, (void *)arg2, arg3)); 1719 break; 1720 case TARGET_NR_open: 1721 ret = get_errno(open(path((const char *)arg1), 1722 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1723 arg3)); 1724 break; 1725 case TARGET_NR_close: 1726 ret = get_errno(close(arg1)); 1727 break; 1728 case TARGET_NR_brk: 1729 ret = do_brk((char *)arg1); 1730 break; 1731 case TARGET_NR_fork: 1732 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 1733 break; 1734 case TARGET_NR_waitpid: 1735 { 1736 int *status = (int *)arg2; 1737 ret = get_errno(waitpid(arg1, status, arg3)); 1738 if (!is_error(ret) && status) 1739 tswapls((long *)&status); 1740 } 1741 break; 1742 case TARGET_NR_creat: 1743 ret = get_errno(creat((const char *)arg1, arg2)); 1744 break; 1745 case TARGET_NR_link: 1746 ret = get_errno(link((const char *)arg1, (const char *)arg2)); 1747 break; 1748 case TARGET_NR_unlink: 1749 ret = get_errno(unlink((const char *)arg1)); 1750 break; 1751 case TARGET_NR_execve: 1752 { 1753 char **argp, **envp; 1754 int argc, envc; 1755 uint32_t *p; 1756 char **q; 1757 1758 argc = 0; 1759 for (p = (void *)arg2; *p; p++) 1760 argc++; 1761 envc = 0; 1762 for (p = (void *)arg3; *p; p++) 1763 envc++; 1764 1765 argp = alloca((argc + 1) * sizeof(void *)); 1766 envp = alloca((envc + 1) * sizeof(void *)); 1767 1768 for (p = (void *)arg2, q = argp; *p; p++, q++) 1769 *q = (void *)tswap32(*p); 1770 *q = NULL; 1771 1772 for (p = (void *)arg3, q = envp; *p; p++, q++) 1773 *q = (void *)tswap32(*p); 1774 *q = NULL; 1775 1776 ret = get_errno(execve((const char *)arg1, argp, envp)); 1777 } 1778 break; 1779 case TARGET_NR_chdir: 1780 ret = get_errno(chdir((const char *)arg1)); 1781 break; 1782 #ifdef TARGET_NR_time 1783 case TARGET_NR_time: 1784 { 1785 int *time_ptr = (int *)arg1; 1786 ret = get_errno(time((time_t *)time_ptr)); 1787 if (!is_error(ret) && time_ptr) 1788 tswap32s(time_ptr); 1789 } 1790 break; 1791 #endif 1792 case TARGET_NR_mknod: 1793 ret = get_errno(mknod((const char *)arg1, arg2, arg3)); 1794 break; 1795 case TARGET_NR_chmod: 1796 ret = get_errno(chmod((const char *)arg1, arg2)); 1797 break; 1798 #ifdef TARGET_NR_break 1799 case TARGET_NR_break: 1800 goto unimplemented; 1801 #endif 1802 #ifdef TARGET_NR_oldstat 1803 case TARGET_NR_oldstat: 1804 goto unimplemented; 1805 #endif 1806 case TARGET_NR_lseek: 1807 ret = get_errno(lseek(arg1, arg2, arg3)); 1808 break; 1809 case TARGET_NR_getpid: 1810 ret = get_errno(getpid()); 1811 break; 1812 case TARGET_NR_mount: 1813 /* need to look at the data field */ 1814 goto unimplemented; 1815 case TARGET_NR_umount: 1816 ret = get_errno(umount((const char *)arg1)); 1817 break; 1818 case TARGET_NR_stime: 1819 { 1820 int *time_ptr = (int *)arg1; 1821 if (time_ptr) 1822 tswap32s(time_ptr); 1823 ret = get_errno(stime((time_t *)time_ptr)); 1824 } 1825 break; 1826 case TARGET_NR_ptrace: 1827 goto unimplemented; 1828 case TARGET_NR_alarm: 1829 ret = alarm(arg1); 1830 break; 1831 #ifdef TARGET_NR_oldfstat 1832 case TARGET_NR_oldfstat: 1833 goto unimplemented; 1834 #endif 1835 case TARGET_NR_pause: 1836 ret = get_errno(pause()); 1837 break; 1838 case TARGET_NR_utime: 1839 { 1840 struct utimbuf tbuf, *tbuf1; 1841 struct target_utimbuf *target_tbuf = (void *)arg2; 1842 if (target_tbuf) { 1843 get_user(tbuf.actime, &target_tbuf->actime); 1844 get_user(tbuf.modtime, &target_tbuf->modtime); 1845 tbuf1 = &tbuf; 1846 } else { 1847 tbuf1 = NULL; 1848 } 1849 ret = get_errno(utime((const char *)arg1, tbuf1)); 1850 } 1851 break; 1852 case TARGET_NR_utimes: 1853 { 1854 struct target_timeval *target_tvp = (struct target_timeval *)arg2; 1855 struct timeval *tvp, tv[2]; 1856 if (target_tvp) { 1857 target_to_host_timeval(&tv[0], &target_tvp[0]); 1858 target_to_host_timeval(&tv[1], &target_tvp[1]); 1859 tvp = tv; 1860 } else { 1861 tvp = NULL; 1862 } 1863 ret = get_errno(utimes((const char *)arg1, tvp)); 1864 } 1865 break; 1866 #ifdef TARGET_NR_stty 1867 case TARGET_NR_stty: 1868 goto unimplemented; 1869 #endif 1870 #ifdef TARGET_NR_gtty 1871 case TARGET_NR_gtty: 1872 goto unimplemented; 1873 #endif 1874 case TARGET_NR_access: 1875 ret = get_errno(access((const char *)arg1, arg2)); 1876 break; 1877 case TARGET_NR_nice: 1878 ret = get_errno(nice(arg1)); 1879 break; 1880 #ifdef TARGET_NR_ftime 1881 case TARGET_NR_ftime: 1882 goto unimplemented; 1883 #endif 1884 case TARGET_NR_sync: 1885 sync(); 1886 ret = 0; 1887 break; 1888 case TARGET_NR_kill: 1889 ret = get_errno(kill(arg1, arg2)); 1890 break; 1891 case TARGET_NR_rename: 1892 ret = get_errno(rename((const char *)arg1, (const char *)arg2)); 1893 break; 1894 case TARGET_NR_mkdir: 1895 ret = get_errno(mkdir((const char *)arg1, arg2)); 1896 break; 1897 case TARGET_NR_rmdir: 1898 ret = get_errno(rmdir((const char *)arg1)); 1899 break; 1900 case TARGET_NR_dup: 1901 ret = get_errno(dup(arg1)); 1902 break; 1903 case TARGET_NR_pipe: 1904 { 1905 int *pipe_ptr = (int *)arg1; 1906 ret = get_errno(pipe(pipe_ptr)); 1907 if (!is_error(ret)) { 1908 tswap32s(&pipe_ptr[0]); 1909 tswap32s(&pipe_ptr[1]); 1910 } 1911 } 1912 break; 1913 case TARGET_NR_times: 1914 { 1915 struct target_tms *tmsp = (void *)arg1; 1916 struct tms tms; 1917 ret = get_errno(times(&tms)); 1918 if (tmsp) { 1919 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 1920 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 1921 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 1922 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 1923 } 1924 if (!is_error(ret)) 1925 ret = host_to_target_clock_t(ret); 1926 } 1927 break; 1928 #ifdef TARGET_NR_prof 1929 case TARGET_NR_prof: 1930 goto unimplemented; 1931 #endif 1932 case TARGET_NR_signal: 1933 goto unimplemented; 1934 1935 case TARGET_NR_acct: 1936 goto unimplemented; 1937 case TARGET_NR_umount2: 1938 ret = get_errno(umount2((const char *)arg1, arg2)); 1939 break; 1940 #ifdef TARGET_NR_lock 1941 case TARGET_NR_lock: 1942 goto unimplemented; 1943 #endif 1944 case TARGET_NR_ioctl: 1945 ret = do_ioctl(arg1, arg2, arg3); 1946 break; 1947 case TARGET_NR_fcntl: 1948 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 1949 break; 1950 #ifdef TARGET_NR_mpx 1951 case TARGET_NR_mpx: 1952 goto unimplemented; 1953 #endif 1954 case TARGET_NR_setpgid: 1955 ret = get_errno(setpgid(arg1, arg2)); 1956 break; 1957 #ifdef TARGET_NR_ulimit 1958 case TARGET_NR_ulimit: 1959 goto unimplemented; 1960 #endif 1961 #ifdef TARGET_NR_oldolduname 1962 case TARGET_NR_oldolduname: 1963 goto unimplemented; 1964 #endif 1965 case TARGET_NR_umask: 1966 ret = get_errno(umask(arg1)); 1967 break; 1968 case TARGET_NR_chroot: 1969 ret = get_errno(chroot((const char *)arg1)); 1970 break; 1971 case TARGET_NR_ustat: 1972 goto unimplemented; 1973 case TARGET_NR_dup2: 1974 ret = get_errno(dup2(arg1, arg2)); 1975 break; 1976 case TARGET_NR_getppid: 1977 ret = get_errno(getppid()); 1978 break; 1979 case TARGET_NR_getpgrp: 1980 ret = get_errno(getpgrp()); 1981 break; 1982 case TARGET_NR_setsid: 1983 ret = get_errno(setsid()); 1984 break; 1985 case TARGET_NR_sigaction: 1986 { 1987 struct target_old_sigaction *old_act = (void *)arg2; 1988 struct target_old_sigaction *old_oact = (void *)arg3; 1989 struct target_sigaction act, oact, *pact; 1990 if (old_act) { 1991 act._sa_handler = old_act->_sa_handler; 1992 target_siginitset(&act.sa_mask, old_act->sa_mask); 1993 act.sa_flags = old_act->sa_flags; 1994 act.sa_restorer = old_act->sa_restorer; 1995 pact = &act; 1996 } else { 1997 pact = NULL; 1998 } 1999 ret = get_errno(do_sigaction(arg1, pact, &oact)); 2000 if (!is_error(ret) && old_oact) { 2001 old_oact->_sa_handler = oact._sa_handler; 2002 old_oact->sa_mask = oact.sa_mask.sig[0]; 2003 old_oact->sa_flags = oact.sa_flags; 2004 old_oact->sa_restorer = oact.sa_restorer; 2005 } 2006 } 2007 break; 2008 case TARGET_NR_rt_sigaction: 2009 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3)); 2010 break; 2011 case TARGET_NR_sgetmask: 2012 { 2013 sigset_t cur_set; 2014 target_ulong target_set; 2015 sigprocmask(0, NULL, &cur_set); 2016 host_to_target_old_sigset(&target_set, &cur_set); 2017 ret = target_set; 2018 } 2019 break; 2020 case TARGET_NR_ssetmask: 2021 { 2022 sigset_t set, oset, cur_set; 2023 target_ulong target_set = arg1; 2024 sigprocmask(0, NULL, &cur_set); 2025 target_to_host_old_sigset(&set, &target_set); 2026 sigorset(&set, &set, &cur_set); 2027 sigprocmask(SIG_SETMASK, &set, &oset); 2028 host_to_target_old_sigset(&target_set, &oset); 2029 ret = target_set; 2030 } 2031 break; 2032 case TARGET_NR_sigprocmask: 2033 { 2034 int how = arg1; 2035 sigset_t set, oldset, *set_ptr; 2036 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3; 2037 2038 if (pset) { 2039 switch(how) { 2040 case TARGET_SIG_BLOCK: 2041 how = SIG_BLOCK; 2042 break; 2043 case TARGET_SIG_UNBLOCK: 2044 how = SIG_UNBLOCK; 2045 break; 2046 case TARGET_SIG_SETMASK: 2047 how = SIG_SETMASK; 2048 break; 2049 default: 2050 ret = -EINVAL; 2051 goto fail; 2052 } 2053 target_to_host_old_sigset(&set, pset); 2054 set_ptr = &set; 2055 } else { 2056 how = 0; 2057 set_ptr = NULL; 2058 } 2059 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 2060 if (!is_error(ret) && poldset) { 2061 host_to_target_old_sigset(poldset, &oldset); 2062 } 2063 } 2064 break; 2065 case TARGET_NR_rt_sigprocmask: 2066 { 2067 int how = arg1; 2068 sigset_t set, oldset, *set_ptr; 2069 target_sigset_t *pset = (void *)arg2; 2070 target_sigset_t *poldset = (void *)arg3; 2071 2072 if (pset) { 2073 switch(how) { 2074 case TARGET_SIG_BLOCK: 2075 how = SIG_BLOCK; 2076 break; 2077 case TARGET_SIG_UNBLOCK: 2078 how = SIG_UNBLOCK; 2079 break; 2080 case TARGET_SIG_SETMASK: 2081 how = SIG_SETMASK; 2082 break; 2083 default: 2084 ret = -EINVAL; 2085 goto fail; 2086 } 2087 target_to_host_sigset(&set, pset); 2088 set_ptr = &set; 2089 } else { 2090 how = 0; 2091 set_ptr = NULL; 2092 } 2093 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 2094 if (!is_error(ret) && poldset) { 2095 host_to_target_sigset(poldset, &oldset); 2096 } 2097 } 2098 break; 2099 case TARGET_NR_sigpending: 2100 { 2101 sigset_t set; 2102 ret = get_errno(sigpending(&set)); 2103 if (!is_error(ret)) { 2104 host_to_target_old_sigset((target_ulong *)arg1, &set); 2105 } 2106 } 2107 break; 2108 case TARGET_NR_rt_sigpending: 2109 { 2110 sigset_t set; 2111 ret = get_errno(sigpending(&set)); 2112 if (!is_error(ret)) { 2113 host_to_target_sigset((target_sigset_t *)arg1, &set); 2114 } 2115 } 2116 break; 2117 case TARGET_NR_sigsuspend: 2118 { 2119 sigset_t set; 2120 target_to_host_old_sigset(&set, (target_ulong *)arg1); 2121 ret = get_errno(sigsuspend(&set)); 2122 } 2123 break; 2124 case TARGET_NR_rt_sigsuspend: 2125 { 2126 sigset_t set; 2127 target_to_host_sigset(&set, (target_sigset_t *)arg1); 2128 ret = get_errno(sigsuspend(&set)); 2129 } 2130 break; 2131 case TARGET_NR_rt_sigtimedwait: 2132 { 2133 target_sigset_t *target_set = (void *)arg1; 2134 target_siginfo_t *target_uinfo = (void *)arg2; 2135 struct target_timespec *target_uts = (void *)arg3; 2136 sigset_t set; 2137 struct timespec uts, *puts; 2138 siginfo_t uinfo; 2139 2140 target_to_host_sigset(&set, target_set); 2141 if (target_uts) { 2142 puts = &uts; 2143 puts->tv_sec = tswapl(target_uts->tv_sec); 2144 puts->tv_nsec = tswapl(target_uts->tv_nsec); 2145 } else { 2146 puts = NULL; 2147 } 2148 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 2149 if (!is_error(ret) && target_uinfo) { 2150 host_to_target_siginfo(target_uinfo, &uinfo); 2151 } 2152 } 2153 break; 2154 case TARGET_NR_rt_sigqueueinfo: 2155 { 2156 siginfo_t uinfo; 2157 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3); 2158 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 2159 } 2160 break; 2161 case TARGET_NR_sigreturn: 2162 /* NOTE: ret is eax, so not transcoding must be done */ 2163 ret = do_sigreturn(cpu_env); 2164 break; 2165 case TARGET_NR_rt_sigreturn: 2166 /* NOTE: ret is eax, so not transcoding must be done */ 2167 ret = do_rt_sigreturn(cpu_env); 2168 break; 2169 case TARGET_NR_sethostname: 2170 ret = get_errno(sethostname((const char *)arg1, arg2)); 2171 break; 2172 case TARGET_NR_setrlimit: 2173 { 2174 /* XXX: convert resource ? */ 2175 int resource = arg1; 2176 struct target_rlimit *target_rlim = (void *)arg2; 2177 struct rlimit rlim; 2178 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 2179 rlim.rlim_max = tswapl(target_rlim->rlim_max); 2180 ret = get_errno(setrlimit(resource, &rlim)); 2181 } 2182 break; 2183 case TARGET_NR_getrlimit: 2184 { 2185 /* XXX: convert resource ? */ 2186 int resource = arg1; 2187 struct target_rlimit *target_rlim = (void *)arg2; 2188 struct rlimit rlim; 2189 2190 ret = get_errno(getrlimit(resource, &rlim)); 2191 if (!is_error(ret)) { 2192 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 2193 target_rlim->rlim_max = tswapl(rlim.rlim_max); 2194 } 2195 } 2196 break; 2197 case TARGET_NR_getrusage: 2198 { 2199 struct rusage rusage; 2200 struct target_rusage *target_rusage = (void *)arg2; 2201 ret = get_errno(getrusage(arg1, &rusage)); 2202 if (!is_error(ret)) { 2203 host_to_target_rusage(target_rusage, &rusage); 2204 } 2205 } 2206 break; 2207 case TARGET_NR_gettimeofday: 2208 { 2209 struct target_timeval *target_tv = (void *)arg1; 2210 struct timeval tv; 2211 ret = get_errno(gettimeofday(&tv, NULL)); 2212 if (!is_error(ret)) { 2213 host_to_target_timeval(target_tv, &tv); 2214 } 2215 } 2216 break; 2217 case TARGET_NR_settimeofday: 2218 { 2219 struct target_timeval *target_tv = (void *)arg1; 2220 struct timeval tv; 2221 target_to_host_timeval(&tv, target_tv); 2222 ret = get_errno(settimeofday(&tv, NULL)); 2223 } 2224 break; 2225 #ifdef TARGET_NR_select 2226 case TARGET_NR_select: 2227 { 2228 struct target_sel_arg_struct *sel = (void *)arg1; 2229 sel->n = tswapl(sel->n); 2230 sel->inp = tswapl(sel->inp); 2231 sel->outp = tswapl(sel->outp); 2232 sel->exp = tswapl(sel->exp); 2233 sel->tvp = tswapl(sel->tvp); 2234 ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp, 2235 (void *)sel->exp, (void *)sel->tvp); 2236 } 2237 break; 2238 #endif 2239 case TARGET_NR_symlink: 2240 ret = get_errno(symlink((const char *)arg1, (const char *)arg2)); 2241 break; 2242 #ifdef TARGET_NR_oldlstat 2243 case TARGET_NR_oldlstat: 2244 goto unimplemented; 2245 #endif 2246 case TARGET_NR_readlink: 2247 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3)); 2248 break; 2249 case TARGET_NR_uselib: 2250 goto unimplemented; 2251 case TARGET_NR_swapon: 2252 ret = get_errno(swapon((const char *)arg1, arg2)); 2253 break; 2254 case TARGET_NR_reboot: 2255 goto unimplemented; 2256 case TARGET_NR_readdir: 2257 goto unimplemented; 2258 case TARGET_NR_mmap: 2259 #if defined(TARGET_I386) || defined(TARGET_ARM) 2260 { 2261 uint32_t v1, v2, v3, v4, v5, v6, *vptr; 2262 vptr = (uint32_t *)arg1; 2263 v1 = tswap32(vptr[0]); 2264 v2 = tswap32(vptr[1]); 2265 v3 = tswap32(vptr[2]); 2266 v4 = tswap32(vptr[3]); 2267 v5 = tswap32(vptr[4]); 2268 v6 = tswap32(vptr[5]); 2269 ret = get_errno(target_mmap(v1, v2, v3, 2270 target_to_host_bitmask(v4, mmap_flags_tbl), 2271 v5, v6)); 2272 } 2273 #else 2274 ret = get_errno(target_mmap(arg1, arg2, arg3, 2275 target_to_host_bitmask(arg4, mmap_flags_tbl), 2276 arg5, 2277 arg6)); 2278 #endif 2279 break; 2280 #ifdef TARGET_NR_mmap2 2281 case TARGET_NR_mmap2: 2282 #if defined(TARGET_SPARC) 2283 #define MMAP_SHIFT 12 2284 #else 2285 #define MMAP_SHIFT TARGET_PAGE_BITS 2286 #endif 2287 ret = get_errno(target_mmap(arg1, arg2, arg3, 2288 target_to_host_bitmask(arg4, mmap_flags_tbl), 2289 arg5, 2290 arg6 << MMAP_SHIFT)); 2291 break; 2292 #endif 2293 case TARGET_NR_munmap: 2294 ret = get_errno(target_munmap(arg1, arg2)); 2295 break; 2296 case TARGET_NR_mprotect: 2297 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 2298 break; 2299 case TARGET_NR_mremap: 2300 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 2301 break; 2302 case TARGET_NR_msync: 2303 ret = get_errno(msync((void *)arg1, arg2, arg3)); 2304 break; 2305 case TARGET_NR_mlock: 2306 ret = get_errno(mlock((void *)arg1, arg2)); 2307 break; 2308 case TARGET_NR_munlock: 2309 ret = get_errno(munlock((void *)arg1, arg2)); 2310 break; 2311 case TARGET_NR_mlockall: 2312 ret = get_errno(mlockall(arg1)); 2313 break; 2314 case TARGET_NR_munlockall: 2315 ret = get_errno(munlockall()); 2316 break; 2317 case TARGET_NR_truncate: 2318 ret = get_errno(truncate((const char *)arg1, arg2)); 2319 break; 2320 case TARGET_NR_ftruncate: 2321 ret = get_errno(ftruncate(arg1, arg2)); 2322 break; 2323 case TARGET_NR_fchmod: 2324 ret = get_errno(fchmod(arg1, arg2)); 2325 break; 2326 case TARGET_NR_getpriority: 2327 ret = get_errno(getpriority(arg1, arg2)); 2328 break; 2329 case TARGET_NR_setpriority: 2330 ret = get_errno(setpriority(arg1, arg2, arg3)); 2331 break; 2332 #ifdef TARGET_NR_profil 2333 case TARGET_NR_profil: 2334 goto unimplemented; 2335 #endif 2336 case TARGET_NR_statfs: 2337 ret = get_errno(statfs(path((const char *)arg1), &stfs)); 2338 convert_statfs: 2339 if (!is_error(ret)) { 2340 struct target_statfs *target_stfs = (void *)arg2; 2341 2342 put_user(stfs.f_type, &target_stfs->f_type); 2343 put_user(stfs.f_bsize, &target_stfs->f_bsize); 2344 put_user(stfs.f_blocks, &target_stfs->f_blocks); 2345 put_user(stfs.f_bfree, &target_stfs->f_bfree); 2346 put_user(stfs.f_bavail, &target_stfs->f_bavail); 2347 put_user(stfs.f_files, &target_stfs->f_files); 2348 put_user(stfs.f_ffree, &target_stfs->f_ffree); 2349 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid); 2350 put_user(stfs.f_namelen, &target_stfs->f_namelen); 2351 } 2352 break; 2353 case TARGET_NR_fstatfs: 2354 ret = get_errno(fstatfs(arg1, &stfs)); 2355 goto convert_statfs; 2356 #ifdef TARGET_NR_statfs64 2357 case TARGET_NR_statfs64: 2358 ret = get_errno(statfs(path((const char *)arg1), &stfs)); 2359 convert_statfs64: 2360 if (!is_error(ret)) { 2361 struct target_statfs64 *target_stfs = (void *)arg3; 2362 2363 put_user(stfs.f_type, &target_stfs->f_type); 2364 put_user(stfs.f_bsize, &target_stfs->f_bsize); 2365 put_user(stfs.f_blocks, &target_stfs->f_blocks); 2366 put_user(stfs.f_bfree, &target_stfs->f_bfree); 2367 put_user(stfs.f_bavail, &target_stfs->f_bavail); 2368 put_user(stfs.f_files, &target_stfs->f_files); 2369 put_user(stfs.f_ffree, &target_stfs->f_ffree); 2370 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid); 2371 put_user(stfs.f_namelen, &target_stfs->f_namelen); 2372 } 2373 break; 2374 case TARGET_NR_fstatfs64: 2375 ret = get_errno(fstatfs(arg1, &stfs)); 2376 goto convert_statfs64; 2377 #endif 2378 #ifdef TARGET_NR_ioperm 2379 case TARGET_NR_ioperm: 2380 goto unimplemented; 2381 #endif 2382 case TARGET_NR_socketcall: 2383 ret = do_socketcall(arg1, (int32_t *)arg2); 2384 break; 2385 case TARGET_NR_syslog: 2386 goto unimplemented; 2387 case TARGET_NR_setitimer: 2388 { 2389 struct target_itimerval *target_value = (void *)arg2; 2390 struct target_itimerval *target_ovalue = (void *)arg3; 2391 struct itimerval value, ovalue, *pvalue; 2392 2393 if (target_value) { 2394 pvalue = &value; 2395 target_to_host_timeval(&pvalue->it_interval, 2396 &target_value->it_interval); 2397 target_to_host_timeval(&pvalue->it_value, 2398 &target_value->it_value); 2399 } else { 2400 pvalue = NULL; 2401 } 2402 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 2403 if (!is_error(ret) && target_ovalue) { 2404 host_to_target_timeval(&target_ovalue->it_interval, 2405 &ovalue.it_interval); 2406 host_to_target_timeval(&target_ovalue->it_value, 2407 &ovalue.it_value); 2408 } 2409 } 2410 break; 2411 case TARGET_NR_getitimer: 2412 { 2413 struct target_itimerval *target_value = (void *)arg2; 2414 struct itimerval value; 2415 2416 ret = get_errno(getitimer(arg1, &value)); 2417 if (!is_error(ret) && target_value) { 2418 host_to_target_timeval(&target_value->it_interval, 2419 &value.it_interval); 2420 host_to_target_timeval(&target_value->it_value, 2421 &value.it_value); 2422 } 2423 } 2424 break; 2425 case TARGET_NR_stat: 2426 ret = get_errno(stat(path((const char *)arg1), &st)); 2427 goto do_stat; 2428 case TARGET_NR_lstat: 2429 ret = get_errno(lstat(path((const char *)arg1), &st)); 2430 goto do_stat; 2431 case TARGET_NR_fstat: 2432 { 2433 ret = get_errno(fstat(arg1, &st)); 2434 do_stat: 2435 if (!is_error(ret)) { 2436 struct target_stat *target_st = (void *)arg2; 2437 target_st->st_dev = tswap16(st.st_dev); 2438 target_st->st_ino = tswapl(st.st_ino); 2439 #if defined(TARGET_PPC) 2440 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ 2441 target_st->st_uid = tswap32(st.st_uid); 2442 target_st->st_gid = tswap32(st.st_gid); 2443 #else 2444 target_st->st_mode = tswap16(st.st_mode); 2445 target_st->st_uid = tswap16(st.st_uid); 2446 target_st->st_gid = tswap16(st.st_gid); 2447 #endif 2448 target_st->st_nlink = tswap16(st.st_nlink); 2449 target_st->st_rdev = tswap16(st.st_rdev); 2450 target_st->st_size = tswapl(st.st_size); 2451 target_st->st_blksize = tswapl(st.st_blksize); 2452 target_st->st_blocks = tswapl(st.st_blocks); 2453 target_st->target_st_atime = tswapl(st.st_atime); 2454 target_st->target_st_mtime = tswapl(st.st_mtime); 2455 target_st->target_st_ctime = tswapl(st.st_ctime); 2456 } 2457 } 2458 break; 2459 #ifdef TARGET_NR_olduname 2460 case TARGET_NR_olduname: 2461 goto unimplemented; 2462 #endif 2463 #ifdef TARGET_NR_iopl 2464 case TARGET_NR_iopl: 2465 goto unimplemented; 2466 #endif 2467 case TARGET_NR_vhangup: 2468 ret = get_errno(vhangup()); 2469 break; 2470 #ifdef TARGET_NR_idle 2471 case TARGET_NR_idle: 2472 goto unimplemented; 2473 #endif 2474 #ifdef TARGET_NR_syscall 2475 case TARGET_NR_syscall: 2476 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 2477 break; 2478 #endif 2479 case TARGET_NR_wait4: 2480 { 2481 int status; 2482 target_long *status_ptr = (void *)arg2; 2483 struct rusage rusage, *rusage_ptr; 2484 struct target_rusage *target_rusage = (void *)arg4; 2485 if (target_rusage) 2486 rusage_ptr = &rusage; 2487 else 2488 rusage_ptr = NULL; 2489 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 2490 if (!is_error(ret)) { 2491 if (status_ptr) 2492 *status_ptr = tswap32(status); 2493 if (target_rusage) { 2494 host_to_target_rusage(target_rusage, &rusage); 2495 } 2496 } 2497 } 2498 break; 2499 case TARGET_NR_swapoff: 2500 ret = get_errno(swapoff((const char *)arg1)); 2501 break; 2502 case TARGET_NR_sysinfo: 2503 { 2504 struct target_sysinfo *target_value = (void *)arg1; 2505 struct sysinfo value; 2506 ret = get_errno(sysinfo(&value)); 2507 if (!is_error(ret) && target_value) 2508 { 2509 __put_user(value.uptime, &target_value->uptime); 2510 __put_user(value.loads[0], &target_value->loads[0]); 2511 __put_user(value.loads[1], &target_value->loads[1]); 2512 __put_user(value.loads[2], &target_value->loads[2]); 2513 __put_user(value.totalram, &target_value->totalram); 2514 __put_user(value.freeram, &target_value->freeram); 2515 __put_user(value.sharedram, &target_value->sharedram); 2516 __put_user(value.bufferram, &target_value->bufferram); 2517 __put_user(value.totalswap, &target_value->totalswap); 2518 __put_user(value.freeswap, &target_value->freeswap); 2519 __put_user(value.procs, &target_value->procs); 2520 __put_user(value.totalhigh, &target_value->totalhigh); 2521 __put_user(value.freehigh, &target_value->freehigh); 2522 __put_user(value.mem_unit, &target_value->mem_unit); 2523 } 2524 } 2525 break; 2526 case TARGET_NR_ipc: 2527 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 2528 break; 2529 case TARGET_NR_fsync: 2530 ret = get_errno(fsync(arg1)); 2531 break; 2532 case TARGET_NR_clone: 2533 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 2534 break; 2535 #ifdef __NR_exit_group 2536 /* new thread calls */ 2537 case TARGET_NR_exit_group: 2538 gdb_exit(cpu_env, arg1); 2539 ret = get_errno(exit_group(arg1)); 2540 break; 2541 #endif 2542 case TARGET_NR_setdomainname: 2543 ret = get_errno(setdomainname((const char *)arg1, arg2)); 2544 break; 2545 case TARGET_NR_uname: 2546 /* no need to transcode because we use the linux syscall */ 2547 { 2548 struct new_utsname * buf; 2549 2550 buf = (struct new_utsname *)arg1; 2551 ret = get_errno(sys_uname(buf)); 2552 if (!is_error(ret)) { 2553 /* Overrite the native machine name with whatever is being 2554 emulated. */ 2555 strcpy (buf->machine, UNAME_MACHINE); 2556 } 2557 } 2558 break; 2559 #ifdef TARGET_I386 2560 case TARGET_NR_modify_ldt: 2561 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3)); 2562 break; 2563 case TARGET_NR_vm86old: 2564 goto unimplemented; 2565 case TARGET_NR_vm86: 2566 ret = do_vm86(cpu_env, arg1, (void *)arg2); 2567 break; 2568 #endif 2569 case TARGET_NR_adjtimex: 2570 goto unimplemented; 2571 case TARGET_NR_create_module: 2572 case TARGET_NR_init_module: 2573 case TARGET_NR_delete_module: 2574 case TARGET_NR_get_kernel_syms: 2575 goto unimplemented; 2576 case TARGET_NR_quotactl: 2577 goto unimplemented; 2578 case TARGET_NR_getpgid: 2579 ret = get_errno(getpgid(arg1)); 2580 break; 2581 case TARGET_NR_fchdir: 2582 ret = get_errno(fchdir(arg1)); 2583 break; 2584 case TARGET_NR_bdflush: 2585 goto unimplemented; 2586 case TARGET_NR_sysfs: 2587 goto unimplemented; 2588 case TARGET_NR_personality: 2589 ret = get_errno(personality(arg1)); 2590 break; 2591 case TARGET_NR_afs_syscall: 2592 goto unimplemented; 2593 case TARGET_NR__llseek: 2594 { 2595 #if defined (__x86_64__) 2596 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 2597 *(int64_t *)arg4 = ret; 2598 #else 2599 int64_t res; 2600 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 2601 *(int64_t *)arg4 = tswap64(res); 2602 #endif 2603 } 2604 break; 2605 case TARGET_NR_getdents: 2606 #if TARGET_LONG_SIZE != 4 2607 #warning not supported 2608 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8 2609 { 2610 struct target_dirent *target_dirp = (void *)arg2; 2611 struct dirent *dirp; 2612 long count = arg3; 2613 2614 dirp = malloc(count); 2615 if (!dirp) 2616 return -ENOMEM; 2617 2618 ret = get_errno(sys_getdents(arg1, dirp, count)); 2619 if (!is_error(ret)) { 2620 struct dirent *de; 2621 struct target_dirent *tde; 2622 int len = ret; 2623 int reclen, treclen; 2624 int count1, tnamelen; 2625 2626 count1 = 0; 2627 de = dirp; 2628 tde = target_dirp; 2629 while (len > 0) { 2630 reclen = de->d_reclen; 2631 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long))); 2632 tde->d_reclen = tswap16(treclen); 2633 tde->d_ino = tswapl(de->d_ino); 2634 tde->d_off = tswapl(de->d_off); 2635 tnamelen = treclen - (2 * sizeof(target_long) + 2); 2636 if (tnamelen > 256) 2637 tnamelen = 256; 2638 /* XXX: may not be correct */ 2639 strncpy(tde->d_name, de->d_name, tnamelen); 2640 de = (struct dirent *)((char *)de + reclen); 2641 len -= reclen; 2642 tde = (struct dirent *)((char *)tde + treclen); 2643 count1 += treclen; 2644 } 2645 ret = count1; 2646 } 2647 free(dirp); 2648 } 2649 #else 2650 { 2651 struct dirent *dirp = (void *)arg2; 2652 long count = arg3; 2653 2654 ret = get_errno(sys_getdents(arg1, dirp, count)); 2655 if (!is_error(ret)) { 2656 struct dirent *de; 2657 int len = ret; 2658 int reclen; 2659 de = dirp; 2660 while (len > 0) { 2661 reclen = de->d_reclen; 2662 if (reclen > len) 2663 break; 2664 de->d_reclen = tswap16(reclen); 2665 tswapls(&de->d_ino); 2666 tswapls(&de->d_off); 2667 de = (struct dirent *)((char *)de + reclen); 2668 len -= reclen; 2669 } 2670 } 2671 } 2672 #endif 2673 break; 2674 #ifdef TARGET_NR_getdents64 2675 case TARGET_NR_getdents64: 2676 { 2677 struct dirent64 *dirp = (void *)arg2; 2678 long count = arg3; 2679 ret = get_errno(sys_getdents64(arg1, dirp, count)); 2680 if (!is_error(ret)) { 2681 struct dirent64 *de; 2682 int len = ret; 2683 int reclen; 2684 de = dirp; 2685 while (len > 0) { 2686 reclen = de->d_reclen; 2687 if (reclen > len) 2688 break; 2689 de->d_reclen = tswap16(reclen); 2690 tswap64s(&de->d_ino); 2691 tswap64s(&de->d_off); 2692 de = (struct dirent64 *)((char *)de + reclen); 2693 len -= reclen; 2694 } 2695 } 2696 } 2697 break; 2698 #endif /* TARGET_NR_getdents64 */ 2699 case TARGET_NR__newselect: 2700 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 2701 (void *)arg5); 2702 break; 2703 case TARGET_NR_poll: 2704 { 2705 struct target_pollfd *target_pfd = (void *)arg1; 2706 unsigned int nfds = arg2; 2707 int timeout = arg3; 2708 struct pollfd *pfd; 2709 unsigned int i; 2710 2711 pfd = alloca(sizeof(struct pollfd) * nfds); 2712 for(i = 0; i < nfds; i++) { 2713 pfd[i].fd = tswap32(target_pfd[i].fd); 2714 pfd[i].events = tswap16(target_pfd[i].events); 2715 } 2716 ret = get_errno(poll(pfd, nfds, timeout)); 2717 if (!is_error(ret)) { 2718 for(i = 0; i < nfds; i++) { 2719 target_pfd[i].revents = tswap16(pfd[i].revents); 2720 } 2721 } 2722 } 2723 break; 2724 case TARGET_NR_flock: 2725 /* NOTE: the flock constant seems to be the same for every 2726 Linux platform */ 2727 ret = get_errno(flock(arg1, arg2)); 2728 break; 2729 case TARGET_NR_readv: 2730 { 2731 int count = arg3; 2732 int i; 2733 struct iovec *vec; 2734 struct target_iovec *target_vec = (void *)arg2; 2735 2736 vec = alloca(count * sizeof(struct iovec)); 2737 for(i = 0;i < count; i++) { 2738 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 2739 vec[i].iov_len = tswapl(target_vec[i].iov_len); 2740 } 2741 ret = get_errno(readv(arg1, vec, count)); 2742 } 2743 break; 2744 case TARGET_NR_writev: 2745 { 2746 int count = arg3; 2747 int i; 2748 struct iovec *vec; 2749 struct target_iovec *target_vec = (void *)arg2; 2750 2751 vec = alloca(count * sizeof(struct iovec)); 2752 for(i = 0;i < count; i++) { 2753 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 2754 vec[i].iov_len = tswapl(target_vec[i].iov_len); 2755 } 2756 ret = get_errno(writev(arg1, vec, count)); 2757 } 2758 break; 2759 case TARGET_NR_getsid: 2760 ret = get_errno(getsid(arg1)); 2761 break; 2762 case TARGET_NR_fdatasync: 2763 ret = get_errno(fdatasync(arg1)); 2764 break; 2765 case TARGET_NR__sysctl: 2766 /* We don't implement this, but ENODIR is always a safe 2767 return value. */ 2768 return -ENOTDIR; 2769 case TARGET_NR_sched_setparam: 2770 { 2771 struct sched_param *target_schp = (void *)arg2; 2772 struct sched_param schp; 2773 schp.sched_priority = tswap32(target_schp->sched_priority); 2774 ret = get_errno(sched_setparam(arg1, &schp)); 2775 } 2776 break; 2777 case TARGET_NR_sched_getparam: 2778 { 2779 struct sched_param *target_schp = (void *)arg2; 2780 struct sched_param schp; 2781 ret = get_errno(sched_getparam(arg1, &schp)); 2782 if (!is_error(ret)) { 2783 target_schp->sched_priority = tswap32(schp.sched_priority); 2784 } 2785 } 2786 break; 2787 case TARGET_NR_sched_setscheduler: 2788 { 2789 struct sched_param *target_schp = (void *)arg3; 2790 struct sched_param schp; 2791 schp.sched_priority = tswap32(target_schp->sched_priority); 2792 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 2793 } 2794 break; 2795 case TARGET_NR_sched_getscheduler: 2796 ret = get_errno(sched_getscheduler(arg1)); 2797 break; 2798 case TARGET_NR_sched_yield: 2799 ret = get_errno(sched_yield()); 2800 break; 2801 case TARGET_NR_sched_get_priority_max: 2802 ret = get_errno(sched_get_priority_max(arg1)); 2803 break; 2804 case TARGET_NR_sched_get_priority_min: 2805 ret = get_errno(sched_get_priority_min(arg1)); 2806 break; 2807 case TARGET_NR_sched_rr_get_interval: 2808 { 2809 struct target_timespec *target_ts = (void *)arg2; 2810 struct timespec ts; 2811 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 2812 if (!is_error(ret)) { 2813 target_ts->tv_sec = tswapl(ts.tv_sec); 2814 target_ts->tv_nsec = tswapl(ts.tv_nsec); 2815 } 2816 } 2817 break; 2818 case TARGET_NR_nanosleep: 2819 { 2820 struct target_timespec *target_req = (void *)arg1; 2821 struct target_timespec *target_rem = (void *)arg2; 2822 struct timespec req, rem; 2823 req.tv_sec = tswapl(target_req->tv_sec); 2824 req.tv_nsec = tswapl(target_req->tv_nsec); 2825 ret = get_errno(nanosleep(&req, &rem)); 2826 if (is_error(ret) && target_rem) { 2827 target_rem->tv_sec = tswapl(rem.tv_sec); 2828 target_rem->tv_nsec = tswapl(rem.tv_nsec); 2829 } 2830 } 2831 break; 2832 case TARGET_NR_query_module: 2833 goto unimplemented; 2834 case TARGET_NR_nfsservctl: 2835 goto unimplemented; 2836 case TARGET_NR_prctl: 2837 goto unimplemented; 2838 #ifdef TARGET_NR_pread 2839 case TARGET_NR_pread: 2840 page_unprotect_range((void *)arg2, arg3); 2841 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4)); 2842 break; 2843 case TARGET_NR_pwrite: 2844 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4)); 2845 break; 2846 #endif 2847 case TARGET_NR_getcwd: 2848 ret = get_errno(sys_getcwd1((char *)arg1, arg2)); 2849 break; 2850 case TARGET_NR_capget: 2851 goto unimplemented; 2852 case TARGET_NR_capset: 2853 goto unimplemented; 2854 case TARGET_NR_sigaltstack: 2855 goto unimplemented; 2856 case TARGET_NR_sendfile: 2857 goto unimplemented; 2858 #ifdef TARGET_NR_getpmsg 2859 case TARGET_NR_getpmsg: 2860 goto unimplemented; 2861 #endif 2862 #ifdef TARGET_NR_putpmsg 2863 case TARGET_NR_putpmsg: 2864 goto unimplemented; 2865 #endif 2866 #ifdef TARGET_NR_vfork 2867 case TARGET_NR_vfork: 2868 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 2869 break; 2870 #endif 2871 #ifdef TARGET_NR_ugetrlimit 2872 case TARGET_NR_ugetrlimit: 2873 { 2874 struct rlimit rlim; 2875 ret = get_errno(getrlimit(arg1, &rlim)); 2876 if (!is_error(ret)) { 2877 struct target_rlimit *target_rlim = (void *)arg2; 2878 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 2879 target_rlim->rlim_max = tswapl(rlim.rlim_max); 2880 } 2881 break; 2882 } 2883 #endif 2884 #ifdef TARGET_NR_truncate64 2885 case TARGET_NR_truncate64: 2886 ret = target_truncate64(cpu_env, (const char *)arg1, arg2, arg3, arg4); 2887 break; 2888 #endif 2889 #ifdef TARGET_NR_ftruncate64 2890 case TARGET_NR_ftruncate64: 2891 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); 2892 break; 2893 #endif 2894 #ifdef TARGET_NR_stat64 2895 case TARGET_NR_stat64: 2896 ret = get_errno(stat(path((const char *)arg1), &st)); 2897 goto do_stat64; 2898 #endif 2899 #ifdef TARGET_NR_lstat64 2900 case TARGET_NR_lstat64: 2901 ret = get_errno(lstat(path((const char *)arg1), &st)); 2902 goto do_stat64; 2903 #endif 2904 #ifdef TARGET_NR_fstat64 2905 case TARGET_NR_fstat64: 2906 { 2907 ret = get_errno(fstat(arg1, &st)); 2908 do_stat64: 2909 if (!is_error(ret)) { 2910 #ifdef TARGET_ARM 2911 if (((CPUARMState *)cpu_env)->eabi) { 2912 struct target_eabi_stat64 *target_st = (void *)arg2; 2913 memset(target_st, 0, sizeof(struct target_eabi_stat64)); 2914 put_user(st.st_dev, &target_st->st_dev); 2915 put_user(st.st_ino, &target_st->st_ino); 2916 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 2917 put_user(st.st_ino, &target_st->__st_ino); 2918 #endif 2919 put_user(st.st_mode, &target_st->st_mode); 2920 put_user(st.st_nlink, &target_st->st_nlink); 2921 put_user(st.st_uid, &target_st->st_uid); 2922 put_user(st.st_gid, &target_st->st_gid); 2923 put_user(st.st_rdev, &target_st->st_rdev); 2924 /* XXX: better use of kernel struct */ 2925 put_user(st.st_size, &target_st->st_size); 2926 put_user(st.st_blksize, &target_st->st_blksize); 2927 put_user(st.st_blocks, &target_st->st_blocks); 2928 put_user(st.st_atime, &target_st->target_st_atime); 2929 put_user(st.st_mtime, &target_st->target_st_mtime); 2930 put_user(st.st_ctime, &target_st->target_st_ctime); 2931 } else 2932 #endif 2933 { 2934 struct target_stat64 *target_st = (void *)arg2; 2935 memset(target_st, 0, sizeof(struct target_stat64)); 2936 put_user(st.st_dev, &target_st->st_dev); 2937 put_user(st.st_ino, &target_st->st_ino); 2938 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 2939 put_user(st.st_ino, &target_st->__st_ino); 2940 #endif 2941 put_user(st.st_mode, &target_st->st_mode); 2942 put_user(st.st_nlink, &target_st->st_nlink); 2943 put_user(st.st_uid, &target_st->st_uid); 2944 put_user(st.st_gid, &target_st->st_gid); 2945 put_user(st.st_rdev, &target_st->st_rdev); 2946 /* XXX: better use of kernel struct */ 2947 put_user(st.st_size, &target_st->st_size); 2948 put_user(st.st_blksize, &target_st->st_blksize); 2949 put_user(st.st_blocks, &target_st->st_blocks); 2950 put_user(st.st_atime, &target_st->target_st_atime); 2951 put_user(st.st_mtime, &target_st->target_st_mtime); 2952 put_user(st.st_ctime, &target_st->target_st_ctime); 2953 } 2954 } 2955 } 2956 break; 2957 #endif 2958 #ifdef USE_UID16 2959 case TARGET_NR_lchown: 2960 ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); 2961 break; 2962 case TARGET_NR_getuid: 2963 ret = get_errno(high2lowuid(getuid())); 2964 break; 2965 case TARGET_NR_getgid: 2966 ret = get_errno(high2lowgid(getgid())); 2967 break; 2968 case TARGET_NR_geteuid: 2969 ret = get_errno(high2lowuid(geteuid())); 2970 break; 2971 case TARGET_NR_getegid: 2972 ret = get_errno(high2lowgid(getegid())); 2973 break; 2974 case TARGET_NR_setreuid: 2975 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 2976 break; 2977 case TARGET_NR_setregid: 2978 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 2979 break; 2980 case TARGET_NR_getgroups: 2981 { 2982 int gidsetsize = arg1; 2983 uint16_t *target_grouplist = (void *)arg2; 2984 gid_t *grouplist; 2985 int i; 2986 2987 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2988 ret = get_errno(getgroups(gidsetsize, grouplist)); 2989 if (!is_error(ret)) { 2990 for(i = 0;i < gidsetsize; i++) 2991 target_grouplist[i] = tswap16(grouplist[i]); 2992 } 2993 } 2994 break; 2995 case TARGET_NR_setgroups: 2996 { 2997 int gidsetsize = arg1; 2998 uint16_t *target_grouplist = (void *)arg2; 2999 gid_t *grouplist; 3000 int i; 3001 3002 grouplist = alloca(gidsetsize * sizeof(gid_t)); 3003 for(i = 0;i < gidsetsize; i++) 3004 grouplist[i] = tswap16(target_grouplist[i]); 3005 ret = get_errno(setgroups(gidsetsize, grouplist)); 3006 } 3007 break; 3008 case TARGET_NR_fchown: 3009 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 3010 break; 3011 #ifdef TARGET_NR_setresuid 3012 case TARGET_NR_setresuid: 3013 ret = get_errno(setresuid(low2highuid(arg1), 3014 low2highuid(arg2), 3015 low2highuid(arg3))); 3016 break; 3017 #endif 3018 #ifdef TARGET_NR_getresuid 3019 case TARGET_NR_getresuid: 3020 { 3021 int ruid, euid, suid; 3022 ret = get_errno(getresuid(&ruid, &euid, &suid)); 3023 if (!is_error(ret)) { 3024 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid)); 3025 *(uint16_t *)arg2 = tswap16(high2lowuid(euid)); 3026 *(uint16_t *)arg3 = tswap16(high2lowuid(suid)); 3027 } 3028 } 3029 break; 3030 #endif 3031 #ifdef TARGET_NR_getresgid 3032 case TARGET_NR_setresgid: 3033 ret = get_errno(setresgid(low2highgid(arg1), 3034 low2highgid(arg2), 3035 low2highgid(arg3))); 3036 break; 3037 #endif 3038 #ifdef TARGET_NR_getresgid 3039 case TARGET_NR_getresgid: 3040 { 3041 int rgid, egid, sgid; 3042 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 3043 if (!is_error(ret)) { 3044 *(uint16_t *)arg1 = tswap16(high2lowgid(rgid)); 3045 *(uint16_t *)arg2 = tswap16(high2lowgid(egid)); 3046 *(uint16_t *)arg3 = tswap16(high2lowgid(sgid)); 3047 } 3048 } 3049 break; 3050 #endif 3051 case TARGET_NR_chown: 3052 ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); 3053 break; 3054 case TARGET_NR_setuid: 3055 ret = get_errno(setuid(low2highuid(arg1))); 3056 break; 3057 case TARGET_NR_setgid: 3058 ret = get_errno(setgid(low2highgid(arg1))); 3059 break; 3060 case TARGET_NR_setfsuid: 3061 ret = get_errno(setfsuid(arg1)); 3062 break; 3063 case TARGET_NR_setfsgid: 3064 ret = get_errno(setfsgid(arg1)); 3065 break; 3066 #endif /* USE_UID16 */ 3067 3068 #ifdef TARGET_NR_lchown32 3069 case TARGET_NR_lchown32: 3070 ret = get_errno(lchown((const char *)arg1, arg2, arg3)); 3071 break; 3072 #endif 3073 #ifdef TARGET_NR_getuid32 3074 case TARGET_NR_getuid32: 3075 ret = get_errno(getuid()); 3076 break; 3077 #endif 3078 #ifdef TARGET_NR_getgid32 3079 case TARGET_NR_getgid32: 3080 ret = get_errno(getgid()); 3081 break; 3082 #endif 3083 #ifdef TARGET_NR_geteuid32 3084 case TARGET_NR_geteuid32: 3085 ret = get_errno(geteuid()); 3086 break; 3087 #endif 3088 #ifdef TARGET_NR_getegid32 3089 case TARGET_NR_getegid32: 3090 ret = get_errno(getegid()); 3091 break; 3092 #endif 3093 #ifdef TARGET_NR_setreuid32 3094 case TARGET_NR_setreuid32: 3095 ret = get_errno(setreuid(arg1, arg2)); 3096 break; 3097 #endif 3098 #ifdef TARGET_NR_setregid32 3099 case TARGET_NR_setregid32: 3100 ret = get_errno(setregid(arg1, arg2)); 3101 break; 3102 #endif 3103 #ifdef TARGET_NR_getgroups32 3104 case TARGET_NR_getgroups32: 3105 { 3106 int gidsetsize = arg1; 3107 uint32_t *target_grouplist = (void *)arg2; 3108 gid_t *grouplist; 3109 int i; 3110 3111 grouplist = alloca(gidsetsize * sizeof(gid_t)); 3112 ret = get_errno(getgroups(gidsetsize, grouplist)); 3113 if (!is_error(ret)) { 3114 for(i = 0;i < gidsetsize; i++) 3115 put_user(grouplist[i], &target_grouplist[i]); 3116 } 3117 } 3118 break; 3119 #endif 3120 #ifdef TARGET_NR_setgroups32 3121 case TARGET_NR_setgroups32: 3122 { 3123 int gidsetsize = arg1; 3124 uint32_t *target_grouplist = (void *)arg2; 3125 gid_t *grouplist; 3126 int i; 3127 3128 grouplist = alloca(gidsetsize * sizeof(gid_t)); 3129 for(i = 0;i < gidsetsize; i++) 3130 get_user(grouplist[i], &target_grouplist[i]); 3131 ret = get_errno(setgroups(gidsetsize, grouplist)); 3132 } 3133 break; 3134 #endif 3135 #ifdef TARGET_NR_fchown32 3136 case TARGET_NR_fchown32: 3137 ret = get_errno(fchown(arg1, arg2, arg3)); 3138 break; 3139 #endif 3140 #ifdef TARGET_NR_setresuid32 3141 case TARGET_NR_setresuid32: 3142 ret = get_errno(setresuid(arg1, arg2, arg3)); 3143 break; 3144 #endif 3145 #ifdef TARGET_NR_getresuid32 3146 case TARGET_NR_getresuid32: 3147 { 3148 int ruid, euid, suid; 3149 ret = get_errno(getresuid(&ruid, &euid, &suid)); 3150 if (!is_error(ret)) { 3151 *(uint32_t *)arg1 = tswap32(ruid); 3152 *(uint32_t *)arg2 = tswap32(euid); 3153 *(uint32_t *)arg3 = tswap32(suid); 3154 } 3155 } 3156 break; 3157 #endif 3158 #ifdef TARGET_NR_setresgid32 3159 case TARGET_NR_setresgid32: 3160 ret = get_errno(setresgid(arg1, arg2, arg3)); 3161 break; 3162 #endif 3163 #ifdef TARGET_NR_getresgid32 3164 case TARGET_NR_getresgid32: 3165 { 3166 int rgid, egid, sgid; 3167 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 3168 if (!is_error(ret)) { 3169 *(uint32_t *)arg1 = tswap32(rgid); 3170 *(uint32_t *)arg2 = tswap32(egid); 3171 *(uint32_t *)arg3 = tswap32(sgid); 3172 } 3173 } 3174 break; 3175 #endif 3176 #ifdef TARGET_NR_chown32 3177 case TARGET_NR_chown32: 3178 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 3179 break; 3180 #endif 3181 #ifdef TARGET_NR_setuid32 3182 case TARGET_NR_setuid32: 3183 ret = get_errno(setuid(arg1)); 3184 break; 3185 #endif 3186 #ifdef TARGET_NR_setgid32 3187 case TARGET_NR_setgid32: 3188 ret = get_errno(setgid(arg1)); 3189 break; 3190 #endif 3191 #ifdef TARGET_NR_setfsuid32 3192 case TARGET_NR_setfsuid32: 3193 ret = get_errno(setfsuid(arg1)); 3194 break; 3195 #endif 3196 #ifdef TARGET_NR_setfsgid32 3197 case TARGET_NR_setfsgid32: 3198 ret = get_errno(setfsgid(arg1)); 3199 break; 3200 #endif 3201 3202 case TARGET_NR_pivot_root: 3203 goto unimplemented; 3204 #ifdef TARGET_NR_mincore 3205 case TARGET_NR_mincore: 3206 goto unimplemented; 3207 #endif 3208 #ifdef TARGET_NR_madvise 3209 case TARGET_NR_madvise: 3210 goto unimplemented; 3211 #endif 3212 #if TARGET_LONG_BITS == 32 3213 case TARGET_NR_fcntl64: 3214 { 3215 struct flock64 fl; 3216 struct target_flock64 *target_fl = (void *)arg3; 3217 #ifdef TARGET_ARM 3218 struct target_eabi_flock64 *target_efl = (void *)arg3; 3219 #endif 3220 3221 switch(arg2) { 3222 case F_GETLK64: 3223 ret = get_errno(fcntl(arg1, arg2, &fl)); 3224 if (ret == 0) { 3225 #ifdef TARGET_ARM 3226 if (((CPUARMState *)cpu_env)->eabi) { 3227 target_efl->l_type = tswap16(fl.l_type); 3228 target_efl->l_whence = tswap16(fl.l_whence); 3229 target_efl->l_start = tswap64(fl.l_start); 3230 target_efl->l_len = tswap64(fl.l_len); 3231 target_efl->l_pid = tswapl(fl.l_pid); 3232 } else 3233 #endif 3234 { 3235 target_fl->l_type = tswap16(fl.l_type); 3236 target_fl->l_whence = tswap16(fl.l_whence); 3237 target_fl->l_start = tswap64(fl.l_start); 3238 target_fl->l_len = tswap64(fl.l_len); 3239 target_fl->l_pid = tswapl(fl.l_pid); 3240 } 3241 } 3242 break; 3243 3244 case F_SETLK64: 3245 case F_SETLKW64: 3246 #ifdef TARGET_ARM 3247 if (((CPUARMState *)cpu_env)->eabi) { 3248 fl.l_type = tswap16(target_efl->l_type); 3249 fl.l_whence = tswap16(target_efl->l_whence); 3250 fl.l_start = tswap64(target_efl->l_start); 3251 fl.l_len = tswap64(target_efl->l_len); 3252 fl.l_pid = tswapl(target_efl->l_pid); 3253 } else 3254 #endif 3255 { 3256 fl.l_type = tswap16(target_fl->l_type); 3257 fl.l_whence = tswap16(target_fl->l_whence); 3258 fl.l_start = tswap64(target_fl->l_start); 3259 fl.l_len = tswap64(target_fl->l_len); 3260 fl.l_pid = tswapl(target_fl->l_pid); 3261 } 3262 ret = get_errno(fcntl(arg1, arg2, &fl)); 3263 break; 3264 default: 3265 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 3266 break; 3267 } 3268 break; 3269 } 3270 #endif 3271 #ifdef TARGET_NR_security 3272 case TARGET_NR_security: 3273 goto unimplemented; 3274 #endif 3275 #ifdef TARGET_NR_getpagesize 3276 case TARGET_NR_getpagesize: 3277 ret = TARGET_PAGE_SIZE; 3278 break; 3279 #endif 3280 case TARGET_NR_gettid: 3281 ret = get_errno(gettid()); 3282 break; 3283 case TARGET_NR_readahead: 3284 goto unimplemented; 3285 #ifdef TARGET_NR_setxattr 3286 case TARGET_NR_setxattr: 3287 case TARGET_NR_lsetxattr: 3288 case TARGET_NR_fsetxattr: 3289 case TARGET_NR_getxattr: 3290 case TARGET_NR_lgetxattr: 3291 case TARGET_NR_fgetxattr: 3292 case TARGET_NR_listxattr: 3293 case TARGET_NR_llistxattr: 3294 case TARGET_NR_flistxattr: 3295 case TARGET_NR_removexattr: 3296 case TARGET_NR_lremovexattr: 3297 case TARGET_NR_fremovexattr: 3298 goto unimplemented_nowarn; 3299 #endif 3300 #ifdef TARGET_NR_set_thread_area 3301 case TARGET_NR_set_thread_area: 3302 case TARGET_NR_get_thread_area: 3303 goto unimplemented_nowarn; 3304 #endif 3305 default: 3306 unimplemented: 3307 gemu_log("qemu: Unsupported syscall: %d\n", num); 3308 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) 3309 unimplemented_nowarn: 3310 #endif 3311 ret = -ENOSYS; 3312 break; 3313 } 3314 fail: 3315 #ifdef DEBUG 3316 gemu_log(" = %ld\n", ret); 3317 #endif 3318 return ret; 3319 } 3320 3321