1 /* 2 * Linux syscalls 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 #include <stdlib.h> 21 #include <stdio.h> 22 #include <stdarg.h> 23 #include <string.h> 24 #include <elf.h> 25 #include <endian.h> 26 #include <errno.h> 27 #include <unistd.h> 28 #include <fcntl.h> 29 #include <time.h> 30 #include <sys/types.h> 31 #include <sys/wait.h> 32 #include <sys/time.h> 33 #include <sys/stat.h> 34 #include <sys/mount.h> 35 #include <sys/resource.h> 36 #include <sys/mman.h> 37 #include <sys/swap.h> 38 #include <signal.h> 39 #include <sched.h> 40 #include <sys/socket.h> 41 #include <sys/uio.h> 42 #include <sys/poll.h> 43 #include <sys/times.h> 44 #include <sys/shm.h> 45 #include <utime.h> 46 #include <sys/sysinfo.h> 47 //#include <sys/user.h> 48 #include <netinet/ip.h> 49 #include <netinet/tcp.h> 50 51 #define termios host_termios 52 #define winsize host_winsize 53 #define termio host_termio 54 #define sgttyb host_sgttyb /* same as target */ 55 #define tchars host_tchars /* same as target */ 56 #define ltchars host_ltchars /* same as target */ 57 58 #include <linux/termios.h> 59 #include <linux/unistd.h> 60 #include <linux/utsname.h> 61 #include <linux/cdrom.h> 62 #include <linux/hdreg.h> 63 #include <linux/soundcard.h> 64 #include <linux/dirent.h> 65 #include <linux/kd.h> 66 67 #include "qemu.h" 68 69 //#define DEBUG 70 71 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) 72 /* 16 bit uid wrappers emulation */ 73 #define USE_UID16 74 #endif 75 76 //#include <linux/msdos_fs.h> 77 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) 78 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) 79 80 81 #if defined(__powerpc__) 82 #undef __syscall_nr 83 #undef __sc_loadargs_0 84 #undef __sc_loadargs_1 85 #undef __sc_loadargs_2 86 #undef __sc_loadargs_3 87 #undef __sc_loadargs_4 88 #undef __sc_loadargs_5 89 #undef __sc_asm_input_0 90 #undef __sc_asm_input_1 91 #undef __sc_asm_input_2 92 #undef __sc_asm_input_3 93 #undef __sc_asm_input_4 94 #undef __sc_asm_input_5 95 #undef _syscall0 96 #undef _syscall1 97 #undef _syscall2 98 #undef _syscall3 99 #undef _syscall4 100 #undef _syscall5 101 102 /* need to redefine syscalls as Linux kernel defines are incorrect for 103 the clobber list */ 104 /* On powerpc a system call basically clobbers the same registers like a 105 * function call, with the exception of LR (which is needed for the 106 * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal 107 * an error return status). 108 */ 109 110 #define __syscall_nr(nr, type, name, args...) \ 111 unsigned long __sc_ret, __sc_err; \ 112 { \ 113 register unsigned long __sc_0 __asm__ ("r0"); \ 114 register unsigned long __sc_3 __asm__ ("r3"); \ 115 register unsigned long __sc_4 __asm__ ("r4"); \ 116 register unsigned long __sc_5 __asm__ ("r5"); \ 117 register unsigned long __sc_6 __asm__ ("r6"); \ 118 register unsigned long __sc_7 __asm__ ("r7"); \ 119 \ 120 __sc_loadargs_##nr(name, args); \ 121 __asm__ __volatile__ \ 122 ("sc \n\t" \ 123 "mfcr %0 " \ 124 : "=&r" (__sc_0), \ 125 "=&r" (__sc_3), "=&r" (__sc_4), \ 126 "=&r" (__sc_5), "=&r" (__sc_6), \ 127 "=&r" (__sc_7) \ 128 : __sc_asm_input_##nr \ 129 : "cr0", "ctr", "memory", \ 130 "r8", "r9", "r10","r11", "r12"); \ 131 __sc_ret = __sc_3; \ 132 __sc_err = __sc_0; \ 133 } \ 134 if (__sc_err & 0x10000000) \ 135 { \ 136 errno = __sc_ret; \ 137 __sc_ret = -1; \ 138 } \ 139 return (type) __sc_ret 140 141 #define __sc_loadargs_0(name, dummy...) \ 142 __sc_0 = __NR_##name 143 #define __sc_loadargs_1(name, arg1) \ 144 __sc_loadargs_0(name); \ 145 __sc_3 = (unsigned long) (arg1) 146 #define __sc_loadargs_2(name, arg1, arg2) \ 147 __sc_loadargs_1(name, arg1); \ 148 __sc_4 = (unsigned long) (arg2) 149 #define __sc_loadargs_3(name, arg1, arg2, arg3) \ 150 __sc_loadargs_2(name, arg1, arg2); \ 151 __sc_5 = (unsigned long) (arg3) 152 #define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \ 153 __sc_loadargs_3(name, arg1, arg2, arg3); \ 154 __sc_6 = (unsigned long) (arg4) 155 #define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \ 156 __sc_loadargs_4(name, arg1, arg2, arg3, arg4); \ 157 __sc_7 = (unsigned long) (arg5) 158 159 #define __sc_asm_input_0 "0" (__sc_0) 160 #define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3) 161 #define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4) 162 #define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5) 163 #define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6) 164 #define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7) 165 166 #define _syscall0(type,name) \ 167 type name(void) \ 168 { \ 169 __syscall_nr(0, type, name); \ 170 } 171 172 #define _syscall1(type,name,type1,arg1) \ 173 type name(type1 arg1) \ 174 { \ 175 __syscall_nr(1, type, name, arg1); \ 176 } 177 178 #define _syscall2(type,name,type1,arg1,type2,arg2) \ 179 type name(type1 arg1, type2 arg2) \ 180 { \ 181 __syscall_nr(2, type, name, arg1, arg2); \ 182 } 183 184 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ 185 type name(type1 arg1, type2 arg2, type3 arg3) \ 186 { \ 187 __syscall_nr(3, type, name, arg1, arg2, arg3); \ 188 } 189 190 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ 191 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ 192 { \ 193 __syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \ 194 } 195 196 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ 197 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ 198 { \ 199 __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \ 200 } 201 #endif 202 203 #define __NR_sys_uname __NR_uname 204 #define __NR_sys_getcwd1 __NR_getcwd 205 #define __NR_sys_statfs __NR_statfs 206 #define __NR_sys_fstatfs __NR_fstatfs 207 #define __NR_sys_getdents __NR_getdents 208 #define __NR_sys_getdents64 __NR_getdents64 209 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo 210 211 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) 212 #define __NR__llseek __NR_lseek 213 #endif 214 215 #ifdef __NR_gettid 216 _syscall0(int, gettid) 217 #else 218 static int gettid(void) { 219 return -ENOSYS; 220 } 221 #endif 222 _syscall1(int,sys_uname,struct new_utsname *,buf) 223 _syscall2(int,sys_getcwd1,char *,buf,size_t,size) 224 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count); 225 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count); 226 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, 227 loff_t *, res, uint, wh); 228 _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf) 229 _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf) 230 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) 231 #ifdef __NR_exit_group 232 _syscall1(int,exit_group,int,error_code) 233 #endif 234 235 extern int personality(int); 236 extern int flock(int, int); 237 extern int setfsuid(int); 238 extern int setfsgid(int); 239 extern int setresuid(uid_t, uid_t, uid_t); 240 extern int getresuid(uid_t *, uid_t *, uid_t *); 241 extern int setresgid(gid_t, gid_t, gid_t); 242 extern int getresgid(gid_t *, gid_t *, gid_t *); 243 extern int setgroups(int, gid_t *); 244 245 static inline long get_errno(long ret) 246 { 247 if (ret == -1) 248 return -errno; 249 else 250 return ret; 251 } 252 253 static inline int is_error(long ret) 254 { 255 return (unsigned long)ret >= (unsigned long)(-4096); 256 } 257 258 static char *target_brk; 259 static char *target_original_brk; 260 261 void target_set_brk(char *new_brk) 262 { 263 target_brk = new_brk; 264 target_original_brk = new_brk; 265 } 266 267 long do_brk(char *new_brk) 268 { 269 char *brk_page; 270 long mapped_addr; 271 int new_alloc_size; 272 273 if (!new_brk) 274 return (long)target_brk; 275 if (new_brk < target_original_brk) 276 return -ENOMEM; 277 278 brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk); 279 280 /* If the new brk is less than this, set it and we're done... */ 281 if (new_brk < brk_page) { 282 target_brk = new_brk; 283 return (long)target_brk; 284 } 285 286 /* We need to allocate more memory after the brk... */ 287 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1); 288 mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size, 289 PROT_READ|PROT_WRITE, 290 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); 291 if (is_error(mapped_addr)) { 292 return mapped_addr; 293 } else { 294 target_brk = new_brk; 295 return (long)target_brk; 296 } 297 } 298 299 static inline fd_set *target_to_host_fds(fd_set *fds, 300 target_long *target_fds, int n) 301 { 302 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 303 return (fd_set *)target_fds; 304 #else 305 int i, b; 306 if (target_fds) { 307 FD_ZERO(fds); 308 for(i = 0;i < n; i++) { 309 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >> 310 (i & (TARGET_LONG_BITS - 1))) & 1; 311 if (b) 312 FD_SET(i, fds); 313 } 314 return fds; 315 } else { 316 return NULL; 317 } 318 #endif 319 } 320 321 static inline void host_to_target_fds(target_long *target_fds, 322 fd_set *fds, int n) 323 { 324 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN) 325 /* nothing to do */ 326 #else 327 int i, nw, j, k; 328 target_long v; 329 330 if (target_fds) { 331 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS; 332 k = 0; 333 for(i = 0;i < nw; i++) { 334 v = 0; 335 for(j = 0; j < TARGET_LONG_BITS; j++) { 336 v |= ((FD_ISSET(k, fds) != 0) << j); 337 k++; 338 } 339 target_fds[i] = tswapl(v); 340 } 341 } 342 #endif 343 } 344 345 #if defined(__alpha__) 346 #define HOST_HZ 1024 347 #else 348 #define HOST_HZ 100 349 #endif 350 351 static inline long host_to_target_clock_t(long ticks) 352 { 353 #if HOST_HZ == TARGET_HZ 354 return ticks; 355 #else 356 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; 357 #endif 358 } 359 360 static inline void host_to_target_rusage(struct target_rusage *target_rusage, 361 const struct rusage *rusage) 362 { 363 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); 364 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); 365 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); 366 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); 367 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); 368 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); 369 target_rusage->ru_idrss = tswapl(rusage->ru_idrss); 370 target_rusage->ru_isrss = tswapl(rusage->ru_isrss); 371 target_rusage->ru_minflt = tswapl(rusage->ru_minflt); 372 target_rusage->ru_majflt = tswapl(rusage->ru_majflt); 373 target_rusage->ru_nswap = tswapl(rusage->ru_nswap); 374 target_rusage->ru_inblock = tswapl(rusage->ru_inblock); 375 target_rusage->ru_oublock = tswapl(rusage->ru_oublock); 376 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); 377 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); 378 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); 379 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); 380 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); 381 } 382 383 static inline void target_to_host_timeval(struct timeval *tv, 384 const struct target_timeval *target_tv) 385 { 386 tv->tv_sec = tswapl(target_tv->tv_sec); 387 tv->tv_usec = tswapl(target_tv->tv_usec); 388 } 389 390 static inline void host_to_target_timeval(struct target_timeval *target_tv, 391 const struct timeval *tv) 392 { 393 target_tv->tv_sec = tswapl(tv->tv_sec); 394 target_tv->tv_usec = tswapl(tv->tv_usec); 395 } 396 397 398 static long do_select(long n, 399 target_long *target_rfds, target_long *target_wfds, 400 target_long *target_efds, struct target_timeval *target_tv) 401 { 402 fd_set rfds, wfds, efds; 403 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; 404 struct timeval tv, *tv_ptr; 405 long ret; 406 407 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n); 408 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n); 409 efds_ptr = target_to_host_fds(&efds, target_efds, n); 410 411 if (target_tv) { 412 target_to_host_timeval(&tv, target_tv); 413 tv_ptr = &tv; 414 } else { 415 tv_ptr = NULL; 416 } 417 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); 418 if (!is_error(ret)) { 419 host_to_target_fds(target_rfds, rfds_ptr, n); 420 host_to_target_fds(target_wfds, wfds_ptr, n); 421 host_to_target_fds(target_efds, efds_ptr, n); 422 423 if (target_tv) { 424 host_to_target_timeval(target_tv, &tv); 425 } 426 } 427 return ret; 428 } 429 430 static inline void target_to_host_sockaddr(struct sockaddr *addr, 431 struct target_sockaddr *target_addr, 432 socklen_t len) 433 { 434 memcpy(addr, target_addr, len); 435 addr->sa_family = tswap16(target_addr->sa_family); 436 } 437 438 static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr, 439 struct sockaddr *addr, 440 socklen_t len) 441 { 442 memcpy(target_addr, addr, len); 443 target_addr->sa_family = tswap16(addr->sa_family); 444 } 445 446 static inline void target_to_host_cmsg(struct msghdr *msgh, 447 struct target_msghdr *target_msgh) 448 { 449 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 450 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 451 socklen_t space = 0; 452 453 while (cmsg && target_cmsg) { 454 void *data = CMSG_DATA(cmsg); 455 void *target_data = TARGET_CMSG_DATA(target_cmsg); 456 457 int len = tswapl(target_cmsg->cmsg_len) 458 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); 459 460 space += CMSG_SPACE(len); 461 if (space > msgh->msg_controllen) { 462 space -= CMSG_SPACE(len); 463 gemu_log("Host cmsg overflow"); 464 break; 465 } 466 467 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); 468 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); 469 cmsg->cmsg_len = CMSG_LEN(len); 470 471 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 472 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 473 memcpy(data, target_data, len); 474 } else { 475 int *fd = (int *)data; 476 int *target_fd = (int *)target_data; 477 int i, numfds = len / sizeof(int); 478 479 for (i = 0; i < numfds; i++) 480 fd[i] = tswap32(target_fd[i]); 481 } 482 483 cmsg = CMSG_NXTHDR(msgh, cmsg); 484 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 485 } 486 487 msgh->msg_controllen = space; 488 } 489 490 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh, 491 struct msghdr *msgh) 492 { 493 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); 494 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh); 495 socklen_t space = 0; 496 497 while (cmsg && target_cmsg) { 498 void *data = CMSG_DATA(cmsg); 499 void *target_data = TARGET_CMSG_DATA(target_cmsg); 500 501 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); 502 503 space += TARGET_CMSG_SPACE(len); 504 if (space > tswapl(target_msgh->msg_controllen)) { 505 space -= TARGET_CMSG_SPACE(len); 506 gemu_log("Target cmsg overflow"); 507 break; 508 } 509 510 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); 511 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); 512 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); 513 514 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { 515 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); 516 memcpy(target_data, data, len); 517 } else { 518 int *fd = (int *)data; 519 int *target_fd = (int *)target_data; 520 int i, numfds = len / sizeof(int); 521 522 for (i = 0; i < numfds; i++) 523 target_fd[i] = tswap32(fd[i]); 524 } 525 526 cmsg = CMSG_NXTHDR(msgh, cmsg); 527 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); 528 } 529 530 msgh->msg_controllen = tswapl(space); 531 } 532 533 static long do_setsockopt(int sockfd, int level, int optname, 534 void *optval, socklen_t optlen) 535 { 536 int val, ret; 537 538 switch(level) { 539 case SOL_TCP: 540 /* TCP options all take an 'int' value. */ 541 if (optlen < sizeof(uint32_t)) 542 return -EINVAL; 543 544 if (get_user(val, (uint32_t *)optval)) 545 return -EFAULT; 546 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 547 break; 548 case SOL_IP: 549 switch(optname) { 550 case IP_HDRINCL: 551 val = 0; 552 if (optlen >= sizeof(uint32_t)) { 553 if (get_user(val, (uint32_t *)optval)) 554 return -EFAULT; 555 } else if (optlen >= 1) { 556 if (get_user(val, (uint8_t *)optval)) 557 return -EFAULT; 558 } 559 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 560 break; 561 default: 562 goto unimplemented; 563 } 564 break; 565 case SOL_SOCKET: 566 switch (optname) { 567 /* Options with 'int' argument. */ 568 case SO_DEBUG: 569 case SO_REUSEADDR: 570 case SO_TYPE: 571 case SO_ERROR: 572 case SO_DONTROUTE: 573 case SO_BROADCAST: 574 case SO_SNDBUF: 575 case SO_RCVBUF: 576 case SO_KEEPALIVE: 577 case SO_OOBINLINE: 578 case SO_NO_CHECK: 579 case SO_PRIORITY: 580 #ifdef SO_BSDCOMPAT 581 case SO_BSDCOMPAT: 582 #endif 583 case SO_PASSCRED: 584 case SO_TIMESTAMP: 585 case SO_RCVLOWAT: 586 case SO_RCVTIMEO: 587 case SO_SNDTIMEO: 588 if (optlen < sizeof(uint32_t)) 589 return -EINVAL; 590 if (get_user(val, (uint32_t *)optval)) 591 return -EFAULT; 592 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); 593 break; 594 default: 595 goto unimplemented; 596 } 597 break; 598 default: 599 unimplemented: 600 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname); 601 ret = -ENOSYS; 602 } 603 return ret; 604 } 605 606 static long do_getsockopt(int sockfd, int level, int optname, 607 void *optval, socklen_t *optlen) 608 { 609 int len, lv, val, ret; 610 611 switch(level) { 612 case SOL_SOCKET: 613 switch (optname) { 614 case SO_LINGER: 615 case SO_RCVTIMEO: 616 case SO_SNDTIMEO: 617 case SO_PEERCRED: 618 case SO_PEERNAME: 619 /* These don't just return a single integer */ 620 goto unimplemented; 621 default: 622 if (get_user(len, optlen)) 623 return -EFAULT; 624 if (len < 0) 625 return -EINVAL; 626 lv = sizeof(int); 627 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); 628 if (ret < 0) 629 return ret; 630 val = tswap32(val); 631 if (len > lv) 632 len = lv; 633 if (copy_to_user(optval, &val, len)) 634 return -EFAULT; 635 if (put_user(len, optlen)) 636 return -EFAULT; 637 break; 638 } 639 break; 640 default: 641 unimplemented: 642 gemu_log("getsockopt level=%d optname=%d not yet supported\n", 643 level, optname); 644 ret = -ENOSYS; 645 break; 646 } 647 return ret; 648 } 649 650 static long do_socketcall(int num, int32_t *vptr) 651 { 652 long ret; 653 654 switch(num) { 655 case SOCKOP_socket: 656 { 657 int domain = tswap32(vptr[0]); 658 int type = tswap32(vptr[1]); 659 int protocol = tswap32(vptr[2]); 660 661 ret = get_errno(socket(domain, type, protocol)); 662 } 663 break; 664 case SOCKOP_bind: 665 { 666 int sockfd = tswap32(vptr[0]); 667 void *target_addr = (void *)tswap32(vptr[1]); 668 socklen_t addrlen = tswap32(vptr[2]); 669 void *addr = alloca(addrlen); 670 671 target_to_host_sockaddr(addr, target_addr, addrlen); 672 ret = get_errno(bind(sockfd, addr, addrlen)); 673 } 674 break; 675 case SOCKOP_connect: 676 { 677 int sockfd = tswap32(vptr[0]); 678 void *target_addr = (void *)tswap32(vptr[1]); 679 socklen_t addrlen = tswap32(vptr[2]); 680 void *addr = alloca(addrlen); 681 682 target_to_host_sockaddr(addr, target_addr, addrlen); 683 ret = get_errno(connect(sockfd, addr, addrlen)); 684 } 685 break; 686 case SOCKOP_listen: 687 { 688 int sockfd = tswap32(vptr[0]); 689 int backlog = tswap32(vptr[1]); 690 691 ret = get_errno(listen(sockfd, backlog)); 692 } 693 break; 694 case SOCKOP_accept: 695 { 696 int sockfd = tswap32(vptr[0]); 697 void *target_addr = (void *)tswap32(vptr[1]); 698 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 699 socklen_t addrlen = tswap32(*target_addrlen); 700 void *addr = alloca(addrlen); 701 702 ret = get_errno(accept(sockfd, addr, &addrlen)); 703 if (!is_error(ret)) { 704 host_to_target_sockaddr(target_addr, addr, addrlen); 705 *target_addrlen = tswap32(addrlen); 706 } 707 } 708 break; 709 case SOCKOP_getsockname: 710 { 711 int sockfd = tswap32(vptr[0]); 712 void *target_addr = (void *)tswap32(vptr[1]); 713 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 714 socklen_t addrlen = tswap32(*target_addrlen); 715 void *addr = alloca(addrlen); 716 717 ret = get_errno(getsockname(sockfd, addr, &addrlen)); 718 if (!is_error(ret)) { 719 host_to_target_sockaddr(target_addr, addr, addrlen); 720 *target_addrlen = tswap32(addrlen); 721 } 722 } 723 break; 724 case SOCKOP_getpeername: 725 { 726 int sockfd = tswap32(vptr[0]); 727 void *target_addr = (void *)tswap32(vptr[1]); 728 uint32_t *target_addrlen = (void *)tswap32(vptr[2]); 729 socklen_t addrlen = tswap32(*target_addrlen); 730 void *addr = alloca(addrlen); 731 732 ret = get_errno(getpeername(sockfd, addr, &addrlen)); 733 if (!is_error(ret)) { 734 host_to_target_sockaddr(target_addr, addr, addrlen); 735 *target_addrlen = tswap32(addrlen); 736 } 737 } 738 break; 739 case SOCKOP_socketpair: 740 { 741 int domain = tswap32(vptr[0]); 742 int type = tswap32(vptr[1]); 743 int protocol = tswap32(vptr[2]); 744 int32_t *target_tab = (void *)tswap32(vptr[3]); 745 int tab[2]; 746 747 ret = get_errno(socketpair(domain, type, protocol, tab)); 748 if (!is_error(ret)) { 749 target_tab[0] = tswap32(tab[0]); 750 target_tab[1] = tswap32(tab[1]); 751 } 752 } 753 break; 754 case SOCKOP_send: 755 { 756 int sockfd = tswap32(vptr[0]); 757 void *msg = (void *)tswap32(vptr[1]); 758 size_t len = tswap32(vptr[2]); 759 int flags = tswap32(vptr[3]); 760 761 ret = get_errno(send(sockfd, msg, len, flags)); 762 } 763 break; 764 case SOCKOP_recv: 765 { 766 int sockfd = tswap32(vptr[0]); 767 void *msg = (void *)tswap32(vptr[1]); 768 size_t len = tswap32(vptr[2]); 769 int flags = tswap32(vptr[3]); 770 771 ret = get_errno(recv(sockfd, msg, len, flags)); 772 } 773 break; 774 case SOCKOP_sendto: 775 { 776 int sockfd = tswap32(vptr[0]); 777 void *msg = (void *)tswap32(vptr[1]); 778 size_t len = tswap32(vptr[2]); 779 int flags = tswap32(vptr[3]); 780 void *target_addr = (void *)tswap32(vptr[4]); 781 socklen_t addrlen = tswap32(vptr[5]); 782 void *addr = alloca(addrlen); 783 784 target_to_host_sockaddr(addr, target_addr, addrlen); 785 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen)); 786 } 787 break; 788 case SOCKOP_recvfrom: 789 { 790 int sockfd = tswap32(vptr[0]); 791 void *msg = (void *)tswap32(vptr[1]); 792 size_t len = tswap32(vptr[2]); 793 int flags = tswap32(vptr[3]); 794 void *target_addr = (void *)tswap32(vptr[4]); 795 uint32_t *target_addrlen = (void *)tswap32(vptr[5]); 796 socklen_t addrlen = tswap32(*target_addrlen); 797 void *addr = alloca(addrlen); 798 799 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen)); 800 if (!is_error(ret)) { 801 host_to_target_sockaddr(target_addr, addr, addrlen); 802 *target_addrlen = tswap32(addrlen); 803 } 804 } 805 break; 806 case SOCKOP_shutdown: 807 { 808 int sockfd = tswap32(vptr[0]); 809 int how = tswap32(vptr[1]); 810 811 ret = get_errno(shutdown(sockfd, how)); 812 } 813 break; 814 case SOCKOP_sendmsg: 815 case SOCKOP_recvmsg: 816 { 817 int fd; 818 struct target_msghdr *msgp; 819 struct msghdr msg; 820 int flags, count, i; 821 struct iovec *vec; 822 struct target_iovec *target_vec; 823 824 msgp = (void *)tswap32(vptr[1]); 825 msg.msg_name = (void *)tswapl(msgp->msg_name); 826 msg.msg_namelen = tswapl(msgp->msg_namelen); 827 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen); 828 msg.msg_control = alloca(msg.msg_controllen); 829 msg.msg_flags = tswap32(msgp->msg_flags); 830 831 count = tswapl(msgp->msg_iovlen); 832 vec = alloca(count * sizeof(struct iovec)); 833 target_vec = (void *)tswapl(msgp->msg_iov); 834 for(i = 0;i < count; i++) { 835 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 836 vec[i].iov_len = tswapl(target_vec[i].iov_len); 837 } 838 msg.msg_iovlen = count; 839 msg.msg_iov = vec; 840 841 fd = tswap32(vptr[0]); 842 flags = tswap32(vptr[2]); 843 if (num == SOCKOP_sendmsg) { 844 target_to_host_cmsg(&msg, msgp); 845 ret = get_errno(sendmsg(fd, &msg, flags)); 846 } else { 847 ret = get_errno(recvmsg(fd, &msg, flags)); 848 if (!is_error(ret)) 849 host_to_target_cmsg(msgp, &msg); 850 } 851 } 852 break; 853 case SOCKOP_setsockopt: 854 { 855 int sockfd = tswap32(vptr[0]); 856 int level = tswap32(vptr[1]); 857 int optname = tswap32(vptr[2]); 858 void *optval = (void *)tswap32(vptr[3]); 859 socklen_t optlen = tswap32(vptr[4]); 860 861 ret = do_setsockopt(sockfd, level, optname, optval, optlen); 862 } 863 break; 864 case SOCKOP_getsockopt: 865 { 866 int sockfd = tswap32(vptr[0]); 867 int level = tswap32(vptr[1]); 868 int optname = tswap32(vptr[2]); 869 void *optval = (void *)tswap32(vptr[3]); 870 uint32_t *poptlen = (void *)tswap32(vptr[4]); 871 872 ret = do_getsockopt(sockfd, level, optname, optval, poptlen); 873 } 874 break; 875 default: 876 gemu_log("Unsupported socketcall: %d\n", num); 877 ret = -ENOSYS; 878 break; 879 } 880 return ret; 881 } 882 883 884 #define N_SHM_REGIONS 32 885 886 static struct shm_region { 887 uint32_t start; 888 uint32_t size; 889 } shm_regions[N_SHM_REGIONS]; 890 891 static long do_ipc(long call, long first, long second, long third, 892 long ptr, long fifth) 893 { 894 int version; 895 long ret = 0; 896 unsigned long raddr; 897 struct shmid_ds shm_info; 898 int i; 899 900 version = call >> 16; 901 call &= 0xffff; 902 903 switch (call) { 904 case IPCOP_shmat: 905 /* SHM_* flags are the same on all linux platforms */ 906 ret = get_errno((long) shmat(first, (void *) ptr, second)); 907 if (is_error(ret)) 908 break; 909 raddr = ret; 910 /* find out the length of the shared memory segment */ 911 912 ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); 913 if (is_error(ret)) { 914 /* can't get length, bail out */ 915 shmdt((void *) raddr); 916 break; 917 } 918 page_set_flags(raddr, raddr + shm_info.shm_segsz, 919 PAGE_VALID | PAGE_READ | 920 ((second & SHM_RDONLY)? 0: PAGE_WRITE)); 921 for (i = 0; i < N_SHM_REGIONS; ++i) { 922 if (shm_regions[i].start == 0) { 923 shm_regions[i].start = raddr; 924 shm_regions[i].size = shm_info.shm_segsz; 925 break; 926 } 927 } 928 if (put_user(raddr, (uint32_t *)third)) 929 return -EFAULT; 930 ret = 0; 931 break; 932 case IPCOP_shmdt: 933 for (i = 0; i < N_SHM_REGIONS; ++i) { 934 if (shm_regions[i].start == ptr) { 935 shm_regions[i].start = 0; 936 page_set_flags(ptr, shm_regions[i].size, 0); 937 break; 938 } 939 } 940 ret = get_errno(shmdt((void *) ptr)); 941 break; 942 943 case IPCOP_shmget: 944 /* IPC_* flag values are the same on all linux platforms */ 945 ret = get_errno(shmget(first, second, third)); 946 break; 947 948 /* IPC_* and SHM_* command values are the same on all linux platforms */ 949 case IPCOP_shmctl: 950 switch(second) { 951 case IPC_RMID: 952 case SHM_LOCK: 953 case SHM_UNLOCK: 954 ret = get_errno(shmctl(first, second, NULL)); 955 break; 956 default: 957 goto unimplemented; 958 } 959 break; 960 default: 961 unimplemented: 962 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version); 963 ret = -ENOSYS; 964 break; 965 } 966 return ret; 967 } 968 969 /* kernel structure types definitions */ 970 #define IFNAMSIZ 16 971 972 #define STRUCT(name, list...) STRUCT_ ## name, 973 #define STRUCT_SPECIAL(name) STRUCT_ ## name, 974 enum { 975 #include "syscall_types.h" 976 }; 977 #undef STRUCT 978 #undef STRUCT_SPECIAL 979 980 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; 981 #define STRUCT_SPECIAL(name) 982 #include "syscall_types.h" 983 #undef STRUCT 984 #undef STRUCT_SPECIAL 985 986 typedef struct IOCTLEntry { 987 unsigned int target_cmd; 988 unsigned int host_cmd; 989 const char *name; 990 int access; 991 const argtype arg_type[5]; 992 } IOCTLEntry; 993 994 #define IOC_R 0x0001 995 #define IOC_W 0x0002 996 #define IOC_RW (IOC_R | IOC_W) 997 998 #define MAX_STRUCT_SIZE 4096 999 1000 IOCTLEntry ioctl_entries[] = { 1001 #define IOCTL(cmd, access, types...) \ 1002 { TARGET_ ## cmd, cmd, #cmd, access, { types } }, 1003 #include "ioctls.h" 1004 { 0, 0, }, 1005 }; 1006 1007 static long do_ioctl(long fd, long cmd, long arg) 1008 { 1009 const IOCTLEntry *ie; 1010 const argtype *arg_type; 1011 long ret; 1012 uint8_t buf_temp[MAX_STRUCT_SIZE]; 1013 1014 ie = ioctl_entries; 1015 for(;;) { 1016 if (ie->target_cmd == 0) { 1017 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd); 1018 return -ENOSYS; 1019 } 1020 if (ie->target_cmd == cmd) 1021 break; 1022 ie++; 1023 } 1024 arg_type = ie->arg_type; 1025 #if defined(DEBUG) 1026 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name); 1027 #endif 1028 switch(arg_type[0]) { 1029 case TYPE_NULL: 1030 /* no argument */ 1031 ret = get_errno(ioctl(fd, ie->host_cmd)); 1032 break; 1033 case TYPE_PTRVOID: 1034 case TYPE_INT: 1035 /* int argment */ 1036 ret = get_errno(ioctl(fd, ie->host_cmd, arg)); 1037 break; 1038 case TYPE_PTR: 1039 arg_type++; 1040 switch(ie->access) { 1041 case IOC_R: 1042 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1043 if (!is_error(ret)) { 1044 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 1045 } 1046 break; 1047 case IOC_W: 1048 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 1049 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1050 break; 1051 default: 1052 case IOC_RW: 1053 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST); 1054 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); 1055 if (!is_error(ret)) { 1056 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET); 1057 } 1058 break; 1059 } 1060 break; 1061 default: 1062 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]); 1063 ret = -ENOSYS; 1064 break; 1065 } 1066 return ret; 1067 } 1068 1069 bitmask_transtbl iflag_tbl[] = { 1070 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, 1071 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, 1072 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, 1073 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, 1074 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, 1075 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, 1076 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, 1077 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, 1078 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, 1079 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, 1080 { TARGET_IXON, TARGET_IXON, IXON, IXON }, 1081 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, 1082 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, 1083 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, 1084 { 0, 0, 0, 0 } 1085 }; 1086 1087 bitmask_transtbl oflag_tbl[] = { 1088 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, 1089 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, 1090 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, 1091 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, 1092 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, 1093 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, 1094 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, 1095 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, 1096 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, 1097 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, 1098 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, 1099 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, 1100 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, 1101 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, 1102 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, 1103 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, 1104 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, 1105 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, 1106 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, 1107 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, 1108 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, 1109 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, 1110 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, 1111 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, 1112 { 0, 0, 0, 0 } 1113 }; 1114 1115 bitmask_transtbl cflag_tbl[] = { 1116 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, 1117 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, 1118 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, 1119 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, 1120 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, 1121 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, 1122 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, 1123 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, 1124 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, 1125 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, 1126 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, 1127 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, 1128 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, 1129 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, 1130 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, 1131 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, 1132 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, 1133 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, 1134 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, 1135 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, 1136 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, 1137 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, 1138 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, 1139 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, 1140 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, 1141 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, 1142 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, 1143 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, 1144 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, 1145 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, 1146 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, 1147 { 0, 0, 0, 0 } 1148 }; 1149 1150 bitmask_transtbl lflag_tbl[] = { 1151 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, 1152 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, 1153 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, 1154 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, 1155 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, 1156 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, 1157 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, 1158 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, 1159 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, 1160 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, 1161 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, 1162 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, 1163 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, 1164 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, 1165 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, 1166 { 0, 0, 0, 0 } 1167 }; 1168 1169 static void target_to_host_termios (void *dst, const void *src) 1170 { 1171 struct host_termios *host = dst; 1172 const struct target_termios *target = src; 1173 1174 host->c_iflag = 1175 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); 1176 host->c_oflag = 1177 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); 1178 host->c_cflag = 1179 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); 1180 host->c_lflag = 1181 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); 1182 host->c_line = target->c_line; 1183 1184 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; 1185 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; 1186 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; 1187 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; 1188 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; 1189 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; 1190 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; 1191 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; 1192 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; 1193 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; 1194 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; 1195 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; 1196 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; 1197 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; 1198 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; 1199 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; 1200 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; 1201 } 1202 1203 static void host_to_target_termios (void *dst, const void *src) 1204 { 1205 struct target_termios *target = dst; 1206 const struct host_termios *host = src; 1207 1208 target->c_iflag = 1209 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); 1210 target->c_oflag = 1211 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); 1212 target->c_cflag = 1213 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); 1214 target->c_lflag = 1215 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); 1216 target->c_line = host->c_line; 1217 1218 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; 1219 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; 1220 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; 1221 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; 1222 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; 1223 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; 1224 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; 1225 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; 1226 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; 1227 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; 1228 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; 1229 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; 1230 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; 1231 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; 1232 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; 1233 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; 1234 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; 1235 } 1236 1237 StructEntry struct_termios_def = { 1238 .convert = { host_to_target_termios, target_to_host_termios }, 1239 .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, 1240 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, 1241 }; 1242 1243 static bitmask_transtbl mmap_flags_tbl[] = { 1244 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, 1245 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, 1246 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, 1247 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, 1248 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, 1249 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, 1250 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, 1251 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, 1252 { 0, 0, 0, 0 } 1253 }; 1254 1255 static bitmask_transtbl fcntl_flags_tbl[] = { 1256 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, 1257 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, 1258 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, 1259 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, 1260 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, 1261 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, 1262 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, 1263 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, 1264 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, 1265 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, 1266 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, 1267 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, 1268 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, 1269 #if defined(O_DIRECT) 1270 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, 1271 #endif 1272 { 0, 0, 0, 0 } 1273 }; 1274 1275 #if defined(TARGET_I386) 1276 1277 /* NOTE: there is really one LDT for all the threads */ 1278 uint8_t *ldt_table; 1279 1280 static int read_ldt(void *ptr, unsigned long bytecount) 1281 { 1282 int size; 1283 1284 if (!ldt_table) 1285 return 0; 1286 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; 1287 if (size > bytecount) 1288 size = bytecount; 1289 memcpy(ptr, ldt_table, size); 1290 return size; 1291 } 1292 1293 /* XXX: add locking support */ 1294 static int write_ldt(CPUX86State *env, 1295 void *ptr, unsigned long bytecount, int oldmode) 1296 { 1297 struct target_modify_ldt_ldt_s ldt_info; 1298 int seg_32bit, contents, read_exec_only, limit_in_pages; 1299 int seg_not_present, useable; 1300 uint32_t *lp, entry_1, entry_2; 1301 1302 if (bytecount != sizeof(ldt_info)) 1303 return -EINVAL; 1304 memcpy(&ldt_info, ptr, sizeof(ldt_info)); 1305 tswap32s(&ldt_info.entry_number); 1306 tswapls((long *)&ldt_info.base_addr); 1307 tswap32s(&ldt_info.limit); 1308 tswap32s(&ldt_info.flags); 1309 1310 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) 1311 return -EINVAL; 1312 seg_32bit = ldt_info.flags & 1; 1313 contents = (ldt_info.flags >> 1) & 3; 1314 read_exec_only = (ldt_info.flags >> 3) & 1; 1315 limit_in_pages = (ldt_info.flags >> 4) & 1; 1316 seg_not_present = (ldt_info.flags >> 5) & 1; 1317 useable = (ldt_info.flags >> 6) & 1; 1318 1319 if (contents == 3) { 1320 if (oldmode) 1321 return -EINVAL; 1322 if (seg_not_present == 0) 1323 return -EINVAL; 1324 } 1325 /* allocate the LDT */ 1326 if (!ldt_table) { 1327 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1328 if (!ldt_table) 1329 return -ENOMEM; 1330 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); 1331 env->ldt.base = (long)ldt_table; 1332 env->ldt.limit = 0xffff; 1333 } 1334 1335 /* NOTE: same code as Linux kernel */ 1336 /* Allow LDTs to be cleared by the user. */ 1337 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 1338 if (oldmode || 1339 (contents == 0 && 1340 read_exec_only == 1 && 1341 seg_32bit == 0 && 1342 limit_in_pages == 0 && 1343 seg_not_present == 1 && 1344 useable == 0 )) { 1345 entry_1 = 0; 1346 entry_2 = 0; 1347 goto install; 1348 } 1349 } 1350 1351 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 1352 (ldt_info.limit & 0x0ffff); 1353 entry_2 = (ldt_info.base_addr & 0xff000000) | 1354 ((ldt_info.base_addr & 0x00ff0000) >> 16) | 1355 (ldt_info.limit & 0xf0000) | 1356 ((read_exec_only ^ 1) << 9) | 1357 (contents << 10) | 1358 ((seg_not_present ^ 1) << 15) | 1359 (seg_32bit << 22) | 1360 (limit_in_pages << 23) | 1361 0x7000; 1362 if (!oldmode) 1363 entry_2 |= (useable << 20); 1364 1365 /* Install the new entry ... */ 1366 install: 1367 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); 1368 lp[0] = tswap32(entry_1); 1369 lp[1] = tswap32(entry_2); 1370 return 0; 1371 } 1372 1373 /* specific and weird i386 syscalls */ 1374 int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount) 1375 { 1376 int ret = -ENOSYS; 1377 1378 switch (func) { 1379 case 0: 1380 ret = read_ldt(ptr, bytecount); 1381 break; 1382 case 1: 1383 ret = write_ldt(env, ptr, bytecount, 1); 1384 break; 1385 case 0x11: 1386 ret = write_ldt(env, ptr, bytecount, 0); 1387 break; 1388 } 1389 return ret; 1390 } 1391 1392 #endif /* defined(TARGET_I386) */ 1393 1394 /* this stack is the equivalent of the kernel stack associated with a 1395 thread/process */ 1396 #define NEW_STACK_SIZE 8192 1397 1398 static int clone_func(void *arg) 1399 { 1400 CPUState *env = arg; 1401 cpu_loop(env); 1402 /* never exits */ 1403 return 0; 1404 } 1405 1406 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp) 1407 { 1408 int ret; 1409 TaskState *ts; 1410 uint8_t *new_stack; 1411 CPUState *new_env; 1412 1413 if (flags & CLONE_VM) { 1414 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); 1415 memset(ts, 0, sizeof(TaskState)); 1416 new_stack = ts->stack; 1417 ts->used = 1; 1418 /* add in task state list */ 1419 ts->next = first_task_state; 1420 first_task_state = ts; 1421 /* we create a new CPU instance. */ 1422 new_env = cpu_init(); 1423 memcpy(new_env, env, sizeof(CPUState)); 1424 #if defined(TARGET_I386) 1425 if (!newsp) 1426 newsp = env->regs[R_ESP]; 1427 new_env->regs[R_ESP] = newsp; 1428 new_env->regs[R_EAX] = 0; 1429 #elif defined(TARGET_ARM) 1430 if (!newsp) 1431 newsp = env->regs[13]; 1432 new_env->regs[13] = newsp; 1433 new_env->regs[0] = 0; 1434 #elif defined(TARGET_SPARC) 1435 printf ("HELPME: %s:%d\n", __FILE__, __LINE__); 1436 #elif defined(TARGET_PPC) 1437 if (!newsp) 1438 newsp = env->gpr[1]; 1439 new_env->gpr[1] = newsp; 1440 { 1441 int i; 1442 for (i = 7; i < 32; i++) 1443 new_env->gpr[i] = 0; 1444 } 1445 #else 1446 #error unsupported target CPU 1447 #endif 1448 new_env->opaque = ts; 1449 #ifdef __ia64__ 1450 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1451 #else 1452 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); 1453 #endif 1454 } else { 1455 /* if no CLONE_VM, we consider it is a fork */ 1456 if ((flags & ~CSIGNAL) != 0) 1457 return -EINVAL; 1458 ret = fork(); 1459 } 1460 return ret; 1461 } 1462 1463 static long do_fcntl(int fd, int cmd, unsigned long arg) 1464 { 1465 struct flock fl; 1466 struct target_flock *target_fl = (void *)arg; 1467 long ret; 1468 1469 switch(cmd) { 1470 case TARGET_F_GETLK: 1471 ret = fcntl(fd, cmd, &fl); 1472 if (ret == 0) { 1473 target_fl->l_type = tswap16(fl.l_type); 1474 target_fl->l_whence = tswap16(fl.l_whence); 1475 target_fl->l_start = tswapl(fl.l_start); 1476 target_fl->l_len = tswapl(fl.l_len); 1477 target_fl->l_pid = tswapl(fl.l_pid); 1478 } 1479 break; 1480 1481 case TARGET_F_SETLK: 1482 case TARGET_F_SETLKW: 1483 fl.l_type = tswap16(target_fl->l_type); 1484 fl.l_whence = tswap16(target_fl->l_whence); 1485 fl.l_start = tswapl(target_fl->l_start); 1486 fl.l_len = tswapl(target_fl->l_len); 1487 fl.l_pid = tswapl(target_fl->l_pid); 1488 ret = fcntl(fd, cmd, &fl); 1489 break; 1490 1491 case TARGET_F_GETLK64: 1492 case TARGET_F_SETLK64: 1493 case TARGET_F_SETLKW64: 1494 ret = -1; 1495 errno = EINVAL; 1496 break; 1497 1498 case F_GETFL: 1499 ret = fcntl(fd, cmd, arg); 1500 ret = host_to_target_bitmask(ret, fcntl_flags_tbl); 1501 break; 1502 1503 case F_SETFL: 1504 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)); 1505 break; 1506 1507 default: 1508 ret = fcntl(fd, cmd, arg); 1509 break; 1510 } 1511 return ret; 1512 } 1513 1514 #ifdef USE_UID16 1515 1516 static inline int high2lowuid(int uid) 1517 { 1518 if (uid > 65535) 1519 return 65534; 1520 else 1521 return uid; 1522 } 1523 1524 static inline int high2lowgid(int gid) 1525 { 1526 if (gid > 65535) 1527 return 65534; 1528 else 1529 return gid; 1530 } 1531 1532 static inline int low2highuid(int uid) 1533 { 1534 if ((int16_t)uid == -1) 1535 return -1; 1536 else 1537 return uid; 1538 } 1539 1540 static inline int low2highgid(int gid) 1541 { 1542 if ((int16_t)gid == -1) 1543 return -1; 1544 else 1545 return gid; 1546 } 1547 1548 #endif /* USE_UID16 */ 1549 1550 void syscall_init(void) 1551 { 1552 IOCTLEntry *ie; 1553 const argtype *arg_type; 1554 int size; 1555 1556 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); 1557 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); 1558 #include "syscall_types.h" 1559 #undef STRUCT 1560 #undef STRUCT_SPECIAL 1561 1562 /* we patch the ioctl size if necessary. We rely on the fact that 1563 no ioctl has all the bits at '1' in the size field */ 1564 ie = ioctl_entries; 1565 while (ie->target_cmd != 0) { 1566 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == 1567 TARGET_IOC_SIZEMASK) { 1568 arg_type = ie->arg_type; 1569 if (arg_type[0] != TYPE_PTR) { 1570 fprintf(stderr, "cannot patch size for ioctl 0x%x\n", 1571 ie->target_cmd); 1572 exit(1); 1573 } 1574 arg_type++; 1575 size = thunk_type_size(arg_type, 0); 1576 ie->target_cmd = (ie->target_cmd & 1577 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | 1578 (size << TARGET_IOC_SIZESHIFT); 1579 } 1580 /* automatic consistency check if same arch */ 1581 #if defined(__i386__) && defined(TARGET_I386) 1582 if (ie->target_cmd != ie->host_cmd) { 1583 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n", 1584 ie->target_cmd, ie->host_cmd); 1585 } 1586 #endif 1587 ie++; 1588 } 1589 } 1590 1591 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 1592 long arg4, long arg5, long arg6) 1593 { 1594 long ret; 1595 struct stat st; 1596 struct kernel_statfs *stfs; 1597 1598 #ifdef DEBUG 1599 gemu_log("syscall %d", num); 1600 #endif 1601 switch(num) { 1602 case TARGET_NR_exit: 1603 #ifdef HAVE_GPROF 1604 _mcleanup(); 1605 #endif 1606 gdb_exit(cpu_env, arg1); 1607 /* XXX: should free thread stack and CPU env */ 1608 _exit(arg1); 1609 ret = 0; /* avoid warning */ 1610 break; 1611 case TARGET_NR_read: 1612 page_unprotect_range((void *)arg2, arg3); 1613 ret = get_errno(read(arg1, (void *)arg2, arg3)); 1614 break; 1615 case TARGET_NR_write: 1616 ret = get_errno(write(arg1, (void *)arg2, arg3)); 1617 break; 1618 case TARGET_NR_open: 1619 ret = get_errno(open(path((const char *)arg1), 1620 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1621 arg3)); 1622 break; 1623 case TARGET_NR_close: 1624 ret = get_errno(close(arg1)); 1625 break; 1626 case TARGET_NR_brk: 1627 ret = do_brk((char *)arg1); 1628 break; 1629 case TARGET_NR_fork: 1630 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0)); 1631 break; 1632 case TARGET_NR_waitpid: 1633 { 1634 int *status = (int *)arg2; 1635 ret = get_errno(waitpid(arg1, status, arg3)); 1636 if (!is_error(ret) && status) 1637 tswapls((long *)&status); 1638 } 1639 break; 1640 case TARGET_NR_creat: 1641 ret = get_errno(creat((const char *)arg1, arg2)); 1642 break; 1643 case TARGET_NR_link: 1644 ret = get_errno(link((const char *)arg1, (const char *)arg2)); 1645 break; 1646 case TARGET_NR_unlink: 1647 ret = get_errno(unlink((const char *)arg1)); 1648 break; 1649 case TARGET_NR_execve: 1650 { 1651 char **argp, **envp; 1652 int argc, envc; 1653 uint32_t *p; 1654 char **q; 1655 1656 argc = 0; 1657 for (p = (void *)arg2; *p; p++) 1658 argc++; 1659 envc = 0; 1660 for (p = (void *)arg3; *p; p++) 1661 envc++; 1662 1663 argp = alloca((argc + 1) * sizeof(void *)); 1664 envp = alloca((envc + 1) * sizeof(void *)); 1665 1666 for (p = (void *)arg2, q = argp; *p; p++, q++) 1667 *q = (void *)tswap32(*p); 1668 *q = NULL; 1669 1670 for (p = (void *)arg3, q = envp; *p; p++, q++) 1671 *q = (void *)tswap32(*p); 1672 *q = NULL; 1673 1674 ret = get_errno(execve((const char *)arg1, argp, envp)); 1675 } 1676 break; 1677 case TARGET_NR_chdir: 1678 ret = get_errno(chdir((const char *)arg1)); 1679 break; 1680 #ifdef TARGET_NR_time 1681 case TARGET_NR_time: 1682 { 1683 int *time_ptr = (int *)arg1; 1684 ret = get_errno(time((time_t *)time_ptr)); 1685 if (!is_error(ret) && time_ptr) 1686 tswap32s(time_ptr); 1687 } 1688 break; 1689 #endif 1690 case TARGET_NR_mknod: 1691 ret = get_errno(mknod((const char *)arg1, arg2, arg3)); 1692 break; 1693 case TARGET_NR_chmod: 1694 ret = get_errno(chmod((const char *)arg1, arg2)); 1695 break; 1696 #ifdef TARGET_NR_break 1697 case TARGET_NR_break: 1698 goto unimplemented; 1699 #endif 1700 #ifdef TARGET_NR_oldstat 1701 case TARGET_NR_oldstat: 1702 goto unimplemented; 1703 #endif 1704 case TARGET_NR_lseek: 1705 ret = get_errno(lseek(arg1, arg2, arg3)); 1706 break; 1707 case TARGET_NR_getpid: 1708 ret = get_errno(getpid()); 1709 break; 1710 case TARGET_NR_mount: 1711 /* need to look at the data field */ 1712 goto unimplemented; 1713 case TARGET_NR_umount: 1714 ret = get_errno(umount((const char *)arg1)); 1715 break; 1716 case TARGET_NR_stime: 1717 { 1718 int *time_ptr = (int *)arg1; 1719 if (time_ptr) 1720 tswap32s(time_ptr); 1721 ret = get_errno(stime((time_t *)time_ptr)); 1722 } 1723 break; 1724 case TARGET_NR_ptrace: 1725 goto unimplemented; 1726 case TARGET_NR_alarm: 1727 ret = alarm(arg1); 1728 break; 1729 #ifdef TARGET_NR_oldfstat 1730 case TARGET_NR_oldfstat: 1731 goto unimplemented; 1732 #endif 1733 case TARGET_NR_pause: 1734 ret = get_errno(pause()); 1735 break; 1736 case TARGET_NR_utime: 1737 { 1738 struct utimbuf tbuf, *tbuf1; 1739 struct target_utimbuf *target_tbuf = (void *)arg2; 1740 if (target_tbuf) { 1741 get_user(tbuf.actime, &target_tbuf->actime); 1742 get_user(tbuf.modtime, &target_tbuf->modtime); 1743 tbuf1 = &tbuf; 1744 } else { 1745 tbuf1 = NULL; 1746 } 1747 ret = get_errno(utime((const char *)arg1, tbuf1)); 1748 } 1749 break; 1750 case TARGET_NR_utimes: 1751 { 1752 struct target_timeval *target_tvp = (struct target_timeval *)arg2; 1753 struct timeval *tvp, tv[2]; 1754 if (target_tvp) { 1755 target_to_host_timeval(&tv[0], &target_tvp[0]); 1756 target_to_host_timeval(&tv[1], &target_tvp[1]); 1757 tvp = tv; 1758 } else { 1759 tvp = NULL; 1760 } 1761 ret = get_errno(utimes((const char *)arg1, tvp)); 1762 } 1763 break; 1764 #ifdef TARGET_NR_stty 1765 case TARGET_NR_stty: 1766 goto unimplemented; 1767 #endif 1768 #ifdef TARGET_NR_gtty 1769 case TARGET_NR_gtty: 1770 goto unimplemented; 1771 #endif 1772 case TARGET_NR_access: 1773 ret = get_errno(access((const char *)arg1, arg2)); 1774 break; 1775 case TARGET_NR_nice: 1776 ret = get_errno(nice(arg1)); 1777 break; 1778 #ifdef TARGET_NR_ftime 1779 case TARGET_NR_ftime: 1780 goto unimplemented; 1781 #endif 1782 case TARGET_NR_sync: 1783 sync(); 1784 ret = 0; 1785 break; 1786 case TARGET_NR_kill: 1787 ret = get_errno(kill(arg1, arg2)); 1788 break; 1789 case TARGET_NR_rename: 1790 ret = get_errno(rename((const char *)arg1, (const char *)arg2)); 1791 break; 1792 case TARGET_NR_mkdir: 1793 ret = get_errno(mkdir((const char *)arg1, arg2)); 1794 break; 1795 case TARGET_NR_rmdir: 1796 ret = get_errno(rmdir((const char *)arg1)); 1797 break; 1798 case TARGET_NR_dup: 1799 ret = get_errno(dup(arg1)); 1800 break; 1801 case TARGET_NR_pipe: 1802 { 1803 int *pipe_ptr = (int *)arg1; 1804 ret = get_errno(pipe(pipe_ptr)); 1805 if (!is_error(ret)) { 1806 tswap32s(&pipe_ptr[0]); 1807 tswap32s(&pipe_ptr[1]); 1808 } 1809 } 1810 break; 1811 case TARGET_NR_times: 1812 { 1813 struct target_tms *tmsp = (void *)arg1; 1814 struct tms tms; 1815 ret = get_errno(times(&tms)); 1816 if (tmsp) { 1817 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); 1818 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); 1819 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); 1820 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); 1821 } 1822 if (!is_error(ret)) 1823 ret = host_to_target_clock_t(ret); 1824 } 1825 break; 1826 #ifdef TARGET_NR_prof 1827 case TARGET_NR_prof: 1828 goto unimplemented; 1829 #endif 1830 case TARGET_NR_signal: 1831 goto unimplemented; 1832 1833 case TARGET_NR_acct: 1834 goto unimplemented; 1835 case TARGET_NR_umount2: 1836 ret = get_errno(umount2((const char *)arg1, arg2)); 1837 break; 1838 #ifdef TARGET_NR_lock 1839 case TARGET_NR_lock: 1840 goto unimplemented; 1841 #endif 1842 case TARGET_NR_ioctl: 1843 ret = do_ioctl(arg1, arg2, arg3); 1844 break; 1845 case TARGET_NR_fcntl: 1846 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 1847 break; 1848 #ifdef TARGET_NR_mpx 1849 case TARGET_NR_mpx: 1850 goto unimplemented; 1851 #endif 1852 case TARGET_NR_setpgid: 1853 ret = get_errno(setpgid(arg1, arg2)); 1854 break; 1855 #ifdef TARGET_NR_ulimit 1856 case TARGET_NR_ulimit: 1857 goto unimplemented; 1858 #endif 1859 #ifdef TARGET_NR_oldolduname 1860 case TARGET_NR_oldolduname: 1861 goto unimplemented; 1862 #endif 1863 case TARGET_NR_umask: 1864 ret = get_errno(umask(arg1)); 1865 break; 1866 case TARGET_NR_chroot: 1867 ret = get_errno(chroot((const char *)arg1)); 1868 break; 1869 case TARGET_NR_ustat: 1870 goto unimplemented; 1871 case TARGET_NR_dup2: 1872 ret = get_errno(dup2(arg1, arg2)); 1873 break; 1874 case TARGET_NR_getppid: 1875 ret = get_errno(getppid()); 1876 break; 1877 case TARGET_NR_getpgrp: 1878 ret = get_errno(getpgrp()); 1879 break; 1880 case TARGET_NR_setsid: 1881 ret = get_errno(setsid()); 1882 break; 1883 case TARGET_NR_sigaction: 1884 { 1885 struct target_old_sigaction *old_act = (void *)arg2; 1886 struct target_old_sigaction *old_oact = (void *)arg3; 1887 struct target_sigaction act, oact, *pact; 1888 if (old_act) { 1889 act._sa_handler = old_act->_sa_handler; 1890 target_siginitset(&act.sa_mask, old_act->sa_mask); 1891 act.sa_flags = old_act->sa_flags; 1892 act.sa_restorer = old_act->sa_restorer; 1893 pact = &act; 1894 } else { 1895 pact = NULL; 1896 } 1897 ret = get_errno(do_sigaction(arg1, pact, &oact)); 1898 if (!is_error(ret) && old_oact) { 1899 old_oact->_sa_handler = oact._sa_handler; 1900 old_oact->sa_mask = oact.sa_mask.sig[0]; 1901 old_oact->sa_flags = oact.sa_flags; 1902 old_oact->sa_restorer = oact.sa_restorer; 1903 } 1904 } 1905 break; 1906 case TARGET_NR_rt_sigaction: 1907 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3)); 1908 break; 1909 case TARGET_NR_sgetmask: 1910 { 1911 sigset_t cur_set; 1912 target_ulong target_set; 1913 sigprocmask(0, NULL, &cur_set); 1914 host_to_target_old_sigset(&target_set, &cur_set); 1915 ret = target_set; 1916 } 1917 break; 1918 case TARGET_NR_ssetmask: 1919 { 1920 sigset_t set, oset, cur_set; 1921 target_ulong target_set = arg1; 1922 sigprocmask(0, NULL, &cur_set); 1923 target_to_host_old_sigset(&set, &target_set); 1924 sigorset(&set, &set, &cur_set); 1925 sigprocmask(SIG_SETMASK, &set, &oset); 1926 host_to_target_old_sigset(&target_set, &oset); 1927 ret = target_set; 1928 } 1929 break; 1930 case TARGET_NR_sigprocmask: 1931 { 1932 int how = arg1; 1933 sigset_t set, oldset, *set_ptr; 1934 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3; 1935 1936 if (pset) { 1937 switch(how) { 1938 case TARGET_SIG_BLOCK: 1939 how = SIG_BLOCK; 1940 break; 1941 case TARGET_SIG_UNBLOCK: 1942 how = SIG_UNBLOCK; 1943 break; 1944 case TARGET_SIG_SETMASK: 1945 how = SIG_SETMASK; 1946 break; 1947 default: 1948 ret = -EINVAL; 1949 goto fail; 1950 } 1951 target_to_host_old_sigset(&set, pset); 1952 set_ptr = &set; 1953 } else { 1954 how = 0; 1955 set_ptr = NULL; 1956 } 1957 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); 1958 if (!is_error(ret) && poldset) { 1959 host_to_target_old_sigset(poldset, &oldset); 1960 } 1961 } 1962 break; 1963 case TARGET_NR_rt_sigprocmask: 1964 { 1965 int how = arg1; 1966 sigset_t set, oldset, *set_ptr; 1967 target_sigset_t *pset = (void *)arg2; 1968 target_sigset_t *poldset = (void *)arg3; 1969 1970 if (pset) { 1971 switch(how) { 1972 case TARGET_SIG_BLOCK: 1973 how = SIG_BLOCK; 1974 break; 1975 case TARGET_SIG_UNBLOCK: 1976 how = SIG_UNBLOCK; 1977 break; 1978 case TARGET_SIG_SETMASK: 1979 how = SIG_SETMASK; 1980 break; 1981 default: 1982 ret = -EINVAL; 1983 goto fail; 1984 } 1985 target_to_host_sigset(&set, pset); 1986 set_ptr = &set; 1987 } else { 1988 how = 0; 1989 set_ptr = NULL; 1990 } 1991 ret = get_errno(sigprocmask(how, set_ptr, &oldset)); 1992 if (!is_error(ret) && poldset) { 1993 host_to_target_sigset(poldset, &oldset); 1994 } 1995 } 1996 break; 1997 case TARGET_NR_sigpending: 1998 { 1999 sigset_t set; 2000 ret = get_errno(sigpending(&set)); 2001 if (!is_error(ret)) { 2002 host_to_target_old_sigset((target_ulong *)arg1, &set); 2003 } 2004 } 2005 break; 2006 case TARGET_NR_rt_sigpending: 2007 { 2008 sigset_t set; 2009 ret = get_errno(sigpending(&set)); 2010 if (!is_error(ret)) { 2011 host_to_target_sigset((target_sigset_t *)arg1, &set); 2012 } 2013 } 2014 break; 2015 case TARGET_NR_sigsuspend: 2016 { 2017 sigset_t set; 2018 target_to_host_old_sigset(&set, (target_ulong *)arg1); 2019 ret = get_errno(sigsuspend(&set)); 2020 } 2021 break; 2022 case TARGET_NR_rt_sigsuspend: 2023 { 2024 sigset_t set; 2025 target_to_host_sigset(&set, (target_sigset_t *)arg1); 2026 ret = get_errno(sigsuspend(&set)); 2027 } 2028 break; 2029 case TARGET_NR_rt_sigtimedwait: 2030 { 2031 target_sigset_t *target_set = (void *)arg1; 2032 target_siginfo_t *target_uinfo = (void *)arg2; 2033 struct target_timespec *target_uts = (void *)arg3; 2034 sigset_t set; 2035 struct timespec uts, *puts; 2036 siginfo_t uinfo; 2037 2038 target_to_host_sigset(&set, target_set); 2039 if (target_uts) { 2040 puts = &uts; 2041 puts->tv_sec = tswapl(target_uts->tv_sec); 2042 puts->tv_nsec = tswapl(target_uts->tv_nsec); 2043 } else { 2044 puts = NULL; 2045 } 2046 ret = get_errno(sigtimedwait(&set, &uinfo, puts)); 2047 if (!is_error(ret) && target_uinfo) { 2048 host_to_target_siginfo(target_uinfo, &uinfo); 2049 } 2050 } 2051 break; 2052 case TARGET_NR_rt_sigqueueinfo: 2053 { 2054 siginfo_t uinfo; 2055 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3); 2056 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); 2057 } 2058 break; 2059 case TARGET_NR_sigreturn: 2060 /* NOTE: ret is eax, so not transcoding must be done */ 2061 ret = do_sigreturn(cpu_env); 2062 break; 2063 case TARGET_NR_rt_sigreturn: 2064 /* NOTE: ret is eax, so not transcoding must be done */ 2065 ret = do_rt_sigreturn(cpu_env); 2066 break; 2067 case TARGET_NR_sethostname: 2068 ret = get_errno(sethostname((const char *)arg1, arg2)); 2069 break; 2070 case TARGET_NR_setrlimit: 2071 { 2072 /* XXX: convert resource ? */ 2073 int resource = arg1; 2074 struct target_rlimit *target_rlim = (void *)arg2; 2075 struct rlimit rlim; 2076 rlim.rlim_cur = tswapl(target_rlim->rlim_cur); 2077 rlim.rlim_max = tswapl(target_rlim->rlim_max); 2078 ret = get_errno(setrlimit(resource, &rlim)); 2079 } 2080 break; 2081 case TARGET_NR_getrlimit: 2082 { 2083 /* XXX: convert resource ? */ 2084 int resource = arg1; 2085 struct target_rlimit *target_rlim = (void *)arg2; 2086 struct rlimit rlim; 2087 2088 ret = get_errno(getrlimit(resource, &rlim)); 2089 if (!is_error(ret)) { 2090 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 2091 target_rlim->rlim_max = tswapl(rlim.rlim_max); 2092 } 2093 } 2094 break; 2095 case TARGET_NR_getrusage: 2096 { 2097 struct rusage rusage; 2098 struct target_rusage *target_rusage = (void *)arg2; 2099 ret = get_errno(getrusage(arg1, &rusage)); 2100 if (!is_error(ret)) { 2101 host_to_target_rusage(target_rusage, &rusage); 2102 } 2103 } 2104 break; 2105 case TARGET_NR_gettimeofday: 2106 { 2107 struct target_timeval *target_tv = (void *)arg1; 2108 struct timeval tv; 2109 ret = get_errno(gettimeofday(&tv, NULL)); 2110 if (!is_error(ret)) { 2111 host_to_target_timeval(target_tv, &tv); 2112 } 2113 } 2114 break; 2115 case TARGET_NR_settimeofday: 2116 { 2117 struct target_timeval *target_tv = (void *)arg1; 2118 struct timeval tv; 2119 target_to_host_timeval(&tv, target_tv); 2120 ret = get_errno(settimeofday(&tv, NULL)); 2121 } 2122 break; 2123 case TARGET_NR_select: 2124 { 2125 struct target_sel_arg_struct *sel = (void *)arg1; 2126 sel->n = tswapl(sel->n); 2127 sel->inp = tswapl(sel->inp); 2128 sel->outp = tswapl(sel->outp); 2129 sel->exp = tswapl(sel->exp); 2130 sel->tvp = tswapl(sel->tvp); 2131 ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp, 2132 (void *)sel->exp, (void *)sel->tvp); 2133 } 2134 break; 2135 case TARGET_NR_symlink: 2136 ret = get_errno(symlink((const char *)arg1, (const char *)arg2)); 2137 break; 2138 #ifdef TARGET_NR_oldlstat 2139 case TARGET_NR_oldlstat: 2140 goto unimplemented; 2141 #endif 2142 case TARGET_NR_readlink: 2143 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3)); 2144 break; 2145 case TARGET_NR_uselib: 2146 goto unimplemented; 2147 case TARGET_NR_swapon: 2148 ret = get_errno(swapon((const char *)arg1, arg2)); 2149 break; 2150 case TARGET_NR_reboot: 2151 goto unimplemented; 2152 case TARGET_NR_readdir: 2153 goto unimplemented; 2154 case TARGET_NR_mmap: 2155 #if defined(TARGET_I386) || defined(TARGET_ARM) 2156 { 2157 uint32_t v1, v2, v3, v4, v5, v6, *vptr; 2158 vptr = (uint32_t *)arg1; 2159 v1 = tswap32(vptr[0]); 2160 v2 = tswap32(vptr[1]); 2161 v3 = tswap32(vptr[2]); 2162 v4 = tswap32(vptr[3]); 2163 v5 = tswap32(vptr[4]); 2164 v6 = tswap32(vptr[5]); 2165 ret = get_errno(target_mmap(v1, v2, v3, 2166 target_to_host_bitmask(v4, mmap_flags_tbl), 2167 v5, v6)); 2168 } 2169 #else 2170 ret = get_errno(target_mmap(arg1, arg2, arg3, 2171 target_to_host_bitmask(arg4, mmap_flags_tbl), 2172 arg5, 2173 arg6)); 2174 #endif 2175 break; 2176 #ifdef TARGET_NR_mmap2 2177 case TARGET_NR_mmap2: 2178 #if defined(TARGET_SPARC) 2179 #define MMAP_SHIFT 12 2180 #else 2181 #define MMAP_SHIFT TARGET_PAGE_BITS 2182 #endif 2183 ret = get_errno(target_mmap(arg1, arg2, arg3, 2184 target_to_host_bitmask(arg4, mmap_flags_tbl), 2185 arg5, 2186 arg6 << MMAP_SHIFT)); 2187 break; 2188 #endif 2189 case TARGET_NR_munmap: 2190 ret = get_errno(target_munmap(arg1, arg2)); 2191 break; 2192 case TARGET_NR_mprotect: 2193 ret = get_errno(target_mprotect(arg1, arg2, arg3)); 2194 break; 2195 case TARGET_NR_mremap: 2196 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); 2197 break; 2198 case TARGET_NR_msync: 2199 ret = get_errno(msync((void *)arg1, arg2, arg3)); 2200 break; 2201 case TARGET_NR_mlock: 2202 ret = get_errno(mlock((void *)arg1, arg2)); 2203 break; 2204 case TARGET_NR_munlock: 2205 ret = get_errno(munlock((void *)arg1, arg2)); 2206 break; 2207 case TARGET_NR_mlockall: 2208 ret = get_errno(mlockall(arg1)); 2209 break; 2210 case TARGET_NR_munlockall: 2211 ret = get_errno(munlockall()); 2212 break; 2213 case TARGET_NR_truncate: 2214 ret = get_errno(truncate((const char *)arg1, arg2)); 2215 break; 2216 case TARGET_NR_ftruncate: 2217 ret = get_errno(ftruncate(arg1, arg2)); 2218 break; 2219 case TARGET_NR_fchmod: 2220 ret = get_errno(fchmod(arg1, arg2)); 2221 break; 2222 case TARGET_NR_getpriority: 2223 ret = get_errno(getpriority(arg1, arg2)); 2224 break; 2225 case TARGET_NR_setpriority: 2226 ret = get_errno(setpriority(arg1, arg2, arg3)); 2227 break; 2228 #ifdef TARGET_NR_profil 2229 case TARGET_NR_profil: 2230 goto unimplemented; 2231 #endif 2232 case TARGET_NR_statfs: 2233 stfs = (void *)arg2; 2234 ret = get_errno(sys_statfs(path((const char *)arg1), stfs)); 2235 convert_statfs: 2236 if (!is_error(ret)) { 2237 tswap32s(&stfs->f_type); 2238 tswap32s(&stfs->f_bsize); 2239 tswap32s(&stfs->f_blocks); 2240 tswap32s(&stfs->f_bfree); 2241 tswap32s(&stfs->f_bavail); 2242 tswap32s(&stfs->f_files); 2243 tswap32s(&stfs->f_ffree); 2244 tswap32s(&stfs->f_fsid.val[0]); 2245 tswap32s(&stfs->f_fsid.val[1]); 2246 tswap32s(&stfs->f_namelen); 2247 } 2248 break; 2249 case TARGET_NR_fstatfs: 2250 stfs = (void *)arg2; 2251 ret = get_errno(sys_fstatfs(arg1, stfs)); 2252 goto convert_statfs; 2253 #ifdef TARGET_NR_ioperm 2254 case TARGET_NR_ioperm: 2255 goto unimplemented; 2256 #endif 2257 case TARGET_NR_socketcall: 2258 ret = do_socketcall(arg1, (int32_t *)arg2); 2259 break; 2260 case TARGET_NR_syslog: 2261 goto unimplemented; 2262 case TARGET_NR_setitimer: 2263 { 2264 struct target_itimerval *target_value = (void *)arg2; 2265 struct target_itimerval *target_ovalue = (void *)arg3; 2266 struct itimerval value, ovalue, *pvalue; 2267 2268 if (target_value) { 2269 pvalue = &value; 2270 target_to_host_timeval(&pvalue->it_interval, 2271 &target_value->it_interval); 2272 target_to_host_timeval(&pvalue->it_value, 2273 &target_value->it_value); 2274 } else { 2275 pvalue = NULL; 2276 } 2277 ret = get_errno(setitimer(arg1, pvalue, &ovalue)); 2278 if (!is_error(ret) && target_ovalue) { 2279 host_to_target_timeval(&target_ovalue->it_interval, 2280 &ovalue.it_interval); 2281 host_to_target_timeval(&target_ovalue->it_value, 2282 &ovalue.it_value); 2283 } 2284 } 2285 break; 2286 case TARGET_NR_getitimer: 2287 { 2288 struct target_itimerval *target_value = (void *)arg2; 2289 struct itimerval value; 2290 2291 ret = get_errno(getitimer(arg1, &value)); 2292 if (!is_error(ret) && target_value) { 2293 host_to_target_timeval(&target_value->it_interval, 2294 &value.it_interval); 2295 host_to_target_timeval(&target_value->it_value, 2296 &value.it_value); 2297 } 2298 } 2299 break; 2300 case TARGET_NR_stat: 2301 ret = get_errno(stat(path((const char *)arg1), &st)); 2302 goto do_stat; 2303 case TARGET_NR_lstat: 2304 ret = get_errno(lstat(path((const char *)arg1), &st)); 2305 goto do_stat; 2306 case TARGET_NR_fstat: 2307 { 2308 ret = get_errno(fstat(arg1, &st)); 2309 do_stat: 2310 if (!is_error(ret)) { 2311 struct target_stat *target_st = (void *)arg2; 2312 target_st->st_dev = tswap16(st.st_dev); 2313 target_st->st_ino = tswapl(st.st_ino); 2314 #if defined(TARGET_PPC) 2315 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */ 2316 target_st->st_uid = tswap32(st.st_uid); 2317 target_st->st_gid = tswap32(st.st_gid); 2318 #else 2319 target_st->st_mode = tswap16(st.st_mode); 2320 target_st->st_uid = tswap16(st.st_uid); 2321 target_st->st_gid = tswap16(st.st_gid); 2322 #endif 2323 target_st->st_nlink = tswap16(st.st_nlink); 2324 target_st->st_rdev = tswap16(st.st_rdev); 2325 target_st->st_size = tswapl(st.st_size); 2326 target_st->st_blksize = tswapl(st.st_blksize); 2327 target_st->st_blocks = tswapl(st.st_blocks); 2328 target_st->target_st_atime = tswapl(st.st_atime); 2329 target_st->target_st_mtime = tswapl(st.st_mtime); 2330 target_st->target_st_ctime = tswapl(st.st_ctime); 2331 } 2332 } 2333 break; 2334 #ifdef TARGET_NR_olduname 2335 case TARGET_NR_olduname: 2336 goto unimplemented; 2337 #endif 2338 #ifdef TARGET_NR_iopl 2339 case TARGET_NR_iopl: 2340 goto unimplemented; 2341 #endif 2342 case TARGET_NR_vhangup: 2343 ret = get_errno(vhangup()); 2344 break; 2345 #ifdef TARGET_NR_idle 2346 case TARGET_NR_idle: 2347 goto unimplemented; 2348 #endif 2349 #ifdef TARGET_NR_syscall 2350 case TARGET_NR_syscall: 2351 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); 2352 break; 2353 #endif 2354 case TARGET_NR_wait4: 2355 { 2356 int status; 2357 target_long *status_ptr = (void *)arg2; 2358 struct rusage rusage, *rusage_ptr; 2359 struct target_rusage *target_rusage = (void *)arg4; 2360 if (target_rusage) 2361 rusage_ptr = &rusage; 2362 else 2363 rusage_ptr = NULL; 2364 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); 2365 if (!is_error(ret)) { 2366 if (status_ptr) 2367 *status_ptr = tswap32(status); 2368 if (target_rusage) { 2369 host_to_target_rusage(target_rusage, &rusage); 2370 } 2371 } 2372 } 2373 break; 2374 case TARGET_NR_swapoff: 2375 ret = get_errno(swapoff((const char *)arg1)); 2376 break; 2377 case TARGET_NR_sysinfo: 2378 { 2379 struct target_sysinfo *target_value = (void *)arg1; 2380 struct sysinfo value; 2381 ret = get_errno(sysinfo(&value)); 2382 if (!is_error(ret) && target_value) 2383 { 2384 __put_user(value.uptime, &target_value->uptime); 2385 __put_user(value.loads[0], &target_value->loads[0]); 2386 __put_user(value.loads[1], &target_value->loads[1]); 2387 __put_user(value.loads[2], &target_value->loads[2]); 2388 __put_user(value.totalram, &target_value->totalram); 2389 __put_user(value.freeram, &target_value->freeram); 2390 __put_user(value.sharedram, &target_value->sharedram); 2391 __put_user(value.bufferram, &target_value->bufferram); 2392 __put_user(value.totalswap, &target_value->totalswap); 2393 __put_user(value.freeswap, &target_value->freeswap); 2394 __put_user(value.procs, &target_value->procs); 2395 __put_user(value.totalhigh, &target_value->totalhigh); 2396 __put_user(value.freehigh, &target_value->freehigh); 2397 __put_user(value.mem_unit, &target_value->mem_unit); 2398 } 2399 } 2400 break; 2401 case TARGET_NR_ipc: 2402 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); 2403 break; 2404 case TARGET_NR_fsync: 2405 ret = get_errno(fsync(arg1)); 2406 break; 2407 case TARGET_NR_clone: 2408 ret = get_errno(do_fork(cpu_env, arg1, arg2)); 2409 break; 2410 #ifdef __NR_exit_group 2411 /* new thread calls */ 2412 case TARGET_NR_exit_group: 2413 gdb_exit(cpu_env, arg1); 2414 ret = get_errno(exit_group(arg1)); 2415 break; 2416 #endif 2417 case TARGET_NR_setdomainname: 2418 ret = get_errno(setdomainname((const char *)arg1, arg2)); 2419 break; 2420 case TARGET_NR_uname: 2421 /* no need to transcode because we use the linux syscall */ 2422 { 2423 struct new_utsname * buf; 2424 2425 buf = (struct new_utsname *)arg1; 2426 ret = get_errno(sys_uname(buf)); 2427 if (!is_error(ret)) { 2428 /* Overrite the native machine name with whatever is being 2429 emulated. */ 2430 strcpy (buf->machine, UNAME_MACHINE); 2431 } 2432 } 2433 break; 2434 #ifdef TARGET_I386 2435 case TARGET_NR_modify_ldt: 2436 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3)); 2437 break; 2438 case TARGET_NR_vm86old: 2439 goto unimplemented; 2440 case TARGET_NR_vm86: 2441 ret = do_vm86(cpu_env, arg1, (void *)arg2); 2442 break; 2443 #endif 2444 case TARGET_NR_adjtimex: 2445 goto unimplemented; 2446 case TARGET_NR_create_module: 2447 case TARGET_NR_init_module: 2448 case TARGET_NR_delete_module: 2449 case TARGET_NR_get_kernel_syms: 2450 goto unimplemented; 2451 case TARGET_NR_quotactl: 2452 goto unimplemented; 2453 case TARGET_NR_getpgid: 2454 ret = get_errno(getpgid(arg1)); 2455 break; 2456 case TARGET_NR_fchdir: 2457 ret = get_errno(fchdir(arg1)); 2458 break; 2459 case TARGET_NR_bdflush: 2460 goto unimplemented; 2461 case TARGET_NR_sysfs: 2462 goto unimplemented; 2463 case TARGET_NR_personality: 2464 ret = get_errno(personality(arg1)); 2465 break; 2466 case TARGET_NR_afs_syscall: 2467 goto unimplemented; 2468 case TARGET_NR__llseek: 2469 { 2470 #if defined (__x86_64__) 2471 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5)); 2472 *(int64_t *)arg4 = ret; 2473 #else 2474 int64_t res; 2475 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); 2476 *(int64_t *)arg4 = tswap64(res); 2477 #endif 2478 } 2479 break; 2480 case TARGET_NR_getdents: 2481 #if TARGET_LONG_SIZE != 4 2482 #warning not supported 2483 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8 2484 { 2485 struct target_dirent *target_dirp = (void *)arg2; 2486 struct dirent *dirp; 2487 long count = arg3; 2488 2489 dirp = malloc(count); 2490 if (!dirp) 2491 return -ENOMEM; 2492 2493 ret = get_errno(sys_getdents(arg1, dirp, count)); 2494 if (!is_error(ret)) { 2495 struct dirent *de; 2496 struct target_dirent *tde; 2497 int len = ret; 2498 int reclen, treclen; 2499 int count1, tnamelen; 2500 2501 count1 = 0; 2502 de = dirp; 2503 tde = target_dirp; 2504 while (len > 0) { 2505 reclen = de->d_reclen; 2506 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long))); 2507 tde->d_reclen = tswap16(treclen); 2508 tde->d_ino = tswapl(de->d_ino); 2509 tde->d_off = tswapl(de->d_off); 2510 tnamelen = treclen - (2 * sizeof(target_long) + 2); 2511 if (tnamelen > 256) 2512 tnamelen = 256; 2513 /* XXX: may not be correct */ 2514 strncpy(tde->d_name, de->d_name, tnamelen); 2515 de = (struct dirent *)((char *)de + reclen); 2516 len -= reclen; 2517 tde = (struct dirent *)((char *)tde + treclen); 2518 count1 += treclen; 2519 } 2520 ret = count1; 2521 } 2522 free(dirp); 2523 } 2524 #else 2525 { 2526 struct dirent *dirp = (void *)arg2; 2527 long count = arg3; 2528 2529 ret = get_errno(sys_getdents(arg1, dirp, count)); 2530 if (!is_error(ret)) { 2531 struct dirent *de; 2532 int len = ret; 2533 int reclen; 2534 de = dirp; 2535 while (len > 0) { 2536 reclen = de->d_reclen; 2537 if (reclen > len) 2538 break; 2539 de->d_reclen = tswap16(reclen); 2540 tswapls(&de->d_ino); 2541 tswapls(&de->d_off); 2542 de = (struct dirent *)((char *)de + reclen); 2543 len -= reclen; 2544 } 2545 } 2546 } 2547 #endif 2548 break; 2549 #ifdef TARGET_NR_getdents64 2550 case TARGET_NR_getdents64: 2551 { 2552 struct dirent64 *dirp = (void *)arg2; 2553 long count = arg3; 2554 ret = get_errno(sys_getdents64(arg1, dirp, count)); 2555 if (!is_error(ret)) { 2556 struct dirent64 *de; 2557 int len = ret; 2558 int reclen; 2559 de = dirp; 2560 while (len > 0) { 2561 reclen = de->d_reclen; 2562 if (reclen > len) 2563 break; 2564 de->d_reclen = tswap16(reclen); 2565 tswap64s(&de->d_ino); 2566 tswap64s(&de->d_off); 2567 de = (struct dirent64 *)((char *)de + reclen); 2568 len -= reclen; 2569 } 2570 } 2571 } 2572 break; 2573 #endif /* TARGET_NR_getdents64 */ 2574 case TARGET_NR__newselect: 2575 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4, 2576 (void *)arg5); 2577 break; 2578 case TARGET_NR_poll: 2579 { 2580 struct target_pollfd *target_pfd = (void *)arg1; 2581 unsigned int nfds = arg2; 2582 int timeout = arg3; 2583 struct pollfd *pfd; 2584 unsigned int i; 2585 2586 pfd = alloca(sizeof(struct pollfd) * nfds); 2587 for(i = 0; i < nfds; i++) { 2588 pfd[i].fd = tswap32(target_pfd[i].fd); 2589 pfd[i].events = tswap16(target_pfd[i].events); 2590 } 2591 ret = get_errno(poll(pfd, nfds, timeout)); 2592 if (!is_error(ret)) { 2593 for(i = 0; i < nfds; i++) { 2594 target_pfd[i].revents = tswap16(pfd[i].revents); 2595 } 2596 } 2597 } 2598 break; 2599 case TARGET_NR_flock: 2600 /* NOTE: the flock constant seems to be the same for every 2601 Linux platform */ 2602 ret = get_errno(flock(arg1, arg2)); 2603 break; 2604 case TARGET_NR_readv: 2605 { 2606 int count = arg3; 2607 int i; 2608 struct iovec *vec; 2609 struct target_iovec *target_vec = (void *)arg2; 2610 2611 vec = alloca(count * sizeof(struct iovec)); 2612 for(i = 0;i < count; i++) { 2613 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 2614 vec[i].iov_len = tswapl(target_vec[i].iov_len); 2615 } 2616 ret = get_errno(readv(arg1, vec, count)); 2617 } 2618 break; 2619 case TARGET_NR_writev: 2620 { 2621 int count = arg3; 2622 int i; 2623 struct iovec *vec; 2624 struct target_iovec *target_vec = (void *)arg2; 2625 2626 vec = alloca(count * sizeof(struct iovec)); 2627 for(i = 0;i < count; i++) { 2628 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base); 2629 vec[i].iov_len = tswapl(target_vec[i].iov_len); 2630 } 2631 ret = get_errno(writev(arg1, vec, count)); 2632 } 2633 break; 2634 case TARGET_NR_getsid: 2635 ret = get_errno(getsid(arg1)); 2636 break; 2637 case TARGET_NR_fdatasync: 2638 ret = get_errno(fdatasync(arg1)); 2639 break; 2640 case TARGET_NR__sysctl: 2641 /* We don't implement this, but ENODIR is always a safe 2642 return value. */ 2643 return -ENOTDIR; 2644 case TARGET_NR_sched_setparam: 2645 { 2646 struct sched_param *target_schp = (void *)arg2; 2647 struct sched_param schp; 2648 schp.sched_priority = tswap32(target_schp->sched_priority); 2649 ret = get_errno(sched_setparam(arg1, &schp)); 2650 } 2651 break; 2652 case TARGET_NR_sched_getparam: 2653 { 2654 struct sched_param *target_schp = (void *)arg2; 2655 struct sched_param schp; 2656 ret = get_errno(sched_getparam(arg1, &schp)); 2657 if (!is_error(ret)) { 2658 target_schp->sched_priority = tswap32(schp.sched_priority); 2659 } 2660 } 2661 break; 2662 case TARGET_NR_sched_setscheduler: 2663 { 2664 struct sched_param *target_schp = (void *)arg3; 2665 struct sched_param schp; 2666 schp.sched_priority = tswap32(target_schp->sched_priority); 2667 ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); 2668 } 2669 break; 2670 case TARGET_NR_sched_getscheduler: 2671 ret = get_errno(sched_getscheduler(arg1)); 2672 break; 2673 case TARGET_NR_sched_yield: 2674 ret = get_errno(sched_yield()); 2675 break; 2676 case TARGET_NR_sched_get_priority_max: 2677 ret = get_errno(sched_get_priority_max(arg1)); 2678 break; 2679 case TARGET_NR_sched_get_priority_min: 2680 ret = get_errno(sched_get_priority_min(arg1)); 2681 break; 2682 case TARGET_NR_sched_rr_get_interval: 2683 { 2684 struct target_timespec *target_ts = (void *)arg2; 2685 struct timespec ts; 2686 ret = get_errno(sched_rr_get_interval(arg1, &ts)); 2687 if (!is_error(ret)) { 2688 target_ts->tv_sec = tswapl(ts.tv_sec); 2689 target_ts->tv_nsec = tswapl(ts.tv_nsec); 2690 } 2691 } 2692 break; 2693 case TARGET_NR_nanosleep: 2694 { 2695 struct target_timespec *target_req = (void *)arg1; 2696 struct target_timespec *target_rem = (void *)arg2; 2697 struct timespec req, rem; 2698 req.tv_sec = tswapl(target_req->tv_sec); 2699 req.tv_nsec = tswapl(target_req->tv_nsec); 2700 ret = get_errno(nanosleep(&req, &rem)); 2701 if (is_error(ret) && target_rem) { 2702 target_rem->tv_sec = tswapl(rem.tv_sec); 2703 target_rem->tv_nsec = tswapl(rem.tv_nsec); 2704 } 2705 } 2706 break; 2707 case TARGET_NR_query_module: 2708 goto unimplemented; 2709 case TARGET_NR_nfsservctl: 2710 goto unimplemented; 2711 case TARGET_NR_prctl: 2712 goto unimplemented; 2713 #ifdef TARGET_NR_pread 2714 case TARGET_NR_pread: 2715 page_unprotect_range((void *)arg2, arg3); 2716 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4)); 2717 break; 2718 case TARGET_NR_pwrite: 2719 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4)); 2720 break; 2721 #endif 2722 case TARGET_NR_getcwd: 2723 ret = get_errno(sys_getcwd1((char *)arg1, arg2)); 2724 break; 2725 case TARGET_NR_capget: 2726 goto unimplemented; 2727 case TARGET_NR_capset: 2728 goto unimplemented; 2729 case TARGET_NR_sigaltstack: 2730 goto unimplemented; 2731 case TARGET_NR_sendfile: 2732 goto unimplemented; 2733 #ifdef TARGET_NR_getpmsg 2734 case TARGET_NR_getpmsg: 2735 goto unimplemented; 2736 #endif 2737 #ifdef TARGET_NR_putpmsg 2738 case TARGET_NR_putpmsg: 2739 goto unimplemented; 2740 #endif 2741 case TARGET_NR_vfork: 2742 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0)); 2743 break; 2744 #ifdef TARGET_NR_ugetrlimit 2745 case TARGET_NR_ugetrlimit: 2746 { 2747 struct rlimit rlim; 2748 ret = get_errno(getrlimit(arg1, &rlim)); 2749 if (!is_error(ret)) { 2750 struct target_rlimit *target_rlim = (void *)arg2; 2751 target_rlim->rlim_cur = tswapl(rlim.rlim_cur); 2752 target_rlim->rlim_max = tswapl(rlim.rlim_max); 2753 } 2754 break; 2755 } 2756 #endif 2757 #ifdef TARGET_NR_truncate64 2758 case TARGET_NR_truncate64: 2759 ret = get_errno(truncate64((const char *)arg1, arg2)); 2760 break; 2761 #endif 2762 #ifdef TARGET_NR_ftruncate64 2763 case TARGET_NR_ftruncate64: 2764 ret = get_errno(ftruncate64(arg1, arg2)); 2765 break; 2766 #endif 2767 #ifdef TARGET_NR_stat64 2768 case TARGET_NR_stat64: 2769 ret = get_errno(stat(path((const char *)arg1), &st)); 2770 goto do_stat64; 2771 #endif 2772 #ifdef TARGET_NR_lstat64 2773 case TARGET_NR_lstat64: 2774 ret = get_errno(lstat(path((const char *)arg1), &st)); 2775 goto do_stat64; 2776 #endif 2777 #ifdef TARGET_NR_fstat64 2778 case TARGET_NR_fstat64: 2779 { 2780 ret = get_errno(fstat(arg1, &st)); 2781 do_stat64: 2782 if (!is_error(ret)) { 2783 struct target_stat64 *target_st = (void *)arg2; 2784 memset(target_st, 0, sizeof(struct target_stat64)); 2785 put_user(st.st_dev, &target_st->st_dev); 2786 put_user(st.st_ino, &target_st->st_ino); 2787 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO 2788 put_user(st.st_ino, &target_st->__st_ino); 2789 #endif 2790 put_user(st.st_mode, &target_st->st_mode); 2791 put_user(st.st_nlink, &target_st->st_nlink); 2792 put_user(st.st_uid, &target_st->st_uid); 2793 put_user(st.st_gid, &target_st->st_gid); 2794 put_user(st.st_rdev, &target_st->st_rdev); 2795 /* XXX: better use of kernel struct */ 2796 put_user(st.st_size, &target_st->st_size); 2797 put_user(st.st_blksize, &target_st->st_blksize); 2798 put_user(st.st_blocks, &target_st->st_blocks); 2799 put_user(st.st_atime, &target_st->target_st_atime); 2800 put_user(st.st_mtime, &target_st->target_st_mtime); 2801 put_user(st.st_ctime, &target_st->target_st_ctime); 2802 } 2803 } 2804 break; 2805 #endif 2806 #ifdef USE_UID16 2807 case TARGET_NR_lchown: 2808 ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); 2809 break; 2810 case TARGET_NR_getuid: 2811 ret = get_errno(high2lowuid(getuid())); 2812 break; 2813 case TARGET_NR_getgid: 2814 ret = get_errno(high2lowgid(getgid())); 2815 break; 2816 case TARGET_NR_geteuid: 2817 ret = get_errno(high2lowuid(geteuid())); 2818 break; 2819 case TARGET_NR_getegid: 2820 ret = get_errno(high2lowgid(getegid())); 2821 break; 2822 case TARGET_NR_setreuid: 2823 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); 2824 break; 2825 case TARGET_NR_setregid: 2826 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); 2827 break; 2828 case TARGET_NR_getgroups: 2829 { 2830 int gidsetsize = arg1; 2831 uint16_t *target_grouplist = (void *)arg2; 2832 gid_t *grouplist; 2833 int i; 2834 2835 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2836 ret = get_errno(getgroups(gidsetsize, grouplist)); 2837 if (!is_error(ret)) { 2838 for(i = 0;i < gidsetsize; i++) 2839 target_grouplist[i] = tswap16(grouplist[i]); 2840 } 2841 } 2842 break; 2843 case TARGET_NR_setgroups: 2844 { 2845 int gidsetsize = arg1; 2846 uint16_t *target_grouplist = (void *)arg2; 2847 gid_t *grouplist; 2848 int i; 2849 2850 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2851 for(i = 0;i < gidsetsize; i++) 2852 grouplist[i] = tswap16(target_grouplist[i]); 2853 ret = get_errno(setgroups(gidsetsize, grouplist)); 2854 } 2855 break; 2856 case TARGET_NR_fchown: 2857 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); 2858 break; 2859 #ifdef TARGET_NR_setresuid 2860 case TARGET_NR_setresuid: 2861 ret = get_errno(setresuid(low2highuid(arg1), 2862 low2highuid(arg2), 2863 low2highuid(arg3))); 2864 break; 2865 #endif 2866 #ifdef TARGET_NR_getresuid 2867 case TARGET_NR_getresuid: 2868 { 2869 int ruid, euid, suid; 2870 ret = get_errno(getresuid(&ruid, &euid, &suid)); 2871 if (!is_error(ret)) { 2872 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid)); 2873 *(uint16_t *)arg2 = tswap16(high2lowuid(euid)); 2874 *(uint16_t *)arg3 = tswap16(high2lowuid(suid)); 2875 } 2876 } 2877 break; 2878 #endif 2879 #ifdef TARGET_NR_getresgid 2880 case TARGET_NR_setresgid: 2881 ret = get_errno(setresgid(low2highgid(arg1), 2882 low2highgid(arg2), 2883 low2highgid(arg3))); 2884 break; 2885 #endif 2886 #ifdef TARGET_NR_getresgid 2887 case TARGET_NR_getresgid: 2888 { 2889 int rgid, egid, sgid; 2890 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 2891 if (!is_error(ret)) { 2892 *(uint16_t *)arg1 = tswap16(high2lowgid(rgid)); 2893 *(uint16_t *)arg2 = tswap16(high2lowgid(egid)); 2894 *(uint16_t *)arg3 = tswap16(high2lowgid(sgid)); 2895 } 2896 } 2897 break; 2898 #endif 2899 case TARGET_NR_chown: 2900 ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3))); 2901 break; 2902 case TARGET_NR_setuid: 2903 ret = get_errno(setuid(low2highuid(arg1))); 2904 break; 2905 case TARGET_NR_setgid: 2906 ret = get_errno(setgid(low2highgid(arg1))); 2907 break; 2908 case TARGET_NR_setfsuid: 2909 ret = get_errno(setfsuid(arg1)); 2910 break; 2911 case TARGET_NR_setfsgid: 2912 ret = get_errno(setfsgid(arg1)); 2913 break; 2914 #endif /* USE_UID16 */ 2915 2916 #ifdef TARGET_NR_lchown32 2917 case TARGET_NR_lchown32: 2918 ret = get_errno(lchown((const char *)arg1, arg2, arg3)); 2919 break; 2920 #endif 2921 #ifdef TARGET_NR_getuid32 2922 case TARGET_NR_getuid32: 2923 ret = get_errno(getuid()); 2924 break; 2925 #endif 2926 #ifdef TARGET_NR_getgid32 2927 case TARGET_NR_getgid32: 2928 ret = get_errno(getgid()); 2929 break; 2930 #endif 2931 #ifdef TARGET_NR_geteuid32 2932 case TARGET_NR_geteuid32: 2933 ret = get_errno(geteuid()); 2934 break; 2935 #endif 2936 #ifdef TARGET_NR_getegid32 2937 case TARGET_NR_getegid32: 2938 ret = get_errno(getegid()); 2939 break; 2940 #endif 2941 #ifdef TARGET_NR_setreuid32 2942 case TARGET_NR_setreuid32: 2943 ret = get_errno(setreuid(arg1, arg2)); 2944 break; 2945 #endif 2946 #ifdef TARGET_NR_setregid32 2947 case TARGET_NR_setregid32: 2948 ret = get_errno(setregid(arg1, arg2)); 2949 break; 2950 #endif 2951 #ifdef TARGET_NR_getgroups32 2952 case TARGET_NR_getgroups32: 2953 { 2954 int gidsetsize = arg1; 2955 uint32_t *target_grouplist = (void *)arg2; 2956 gid_t *grouplist; 2957 int i; 2958 2959 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2960 ret = get_errno(getgroups(gidsetsize, grouplist)); 2961 if (!is_error(ret)) { 2962 for(i = 0;i < gidsetsize; i++) 2963 put_user(grouplist[i], &target_grouplist[i]); 2964 } 2965 } 2966 break; 2967 #endif 2968 #ifdef TARGET_NR_setgroups32 2969 case TARGET_NR_setgroups32: 2970 { 2971 int gidsetsize = arg1; 2972 uint32_t *target_grouplist = (void *)arg2; 2973 gid_t *grouplist; 2974 int i; 2975 2976 grouplist = alloca(gidsetsize * sizeof(gid_t)); 2977 for(i = 0;i < gidsetsize; i++) 2978 get_user(grouplist[i], &target_grouplist[i]); 2979 ret = get_errno(setgroups(gidsetsize, grouplist)); 2980 } 2981 break; 2982 #endif 2983 #ifdef TARGET_NR_fchown32 2984 case TARGET_NR_fchown32: 2985 ret = get_errno(fchown(arg1, arg2, arg3)); 2986 break; 2987 #endif 2988 #ifdef TARGET_NR_setresuid32 2989 case TARGET_NR_setresuid32: 2990 ret = get_errno(setresuid(arg1, arg2, arg3)); 2991 break; 2992 #endif 2993 #ifdef TARGET_NR_getresuid32 2994 case TARGET_NR_getresuid32: 2995 { 2996 int ruid, euid, suid; 2997 ret = get_errno(getresuid(&ruid, &euid, &suid)); 2998 if (!is_error(ret)) { 2999 *(uint32_t *)arg1 = tswap32(ruid); 3000 *(uint32_t *)arg2 = tswap32(euid); 3001 *(uint32_t *)arg3 = tswap32(suid); 3002 } 3003 } 3004 break; 3005 #endif 3006 #ifdef TARGET_NR_setresgid32 3007 case TARGET_NR_setresgid32: 3008 ret = get_errno(setresgid(arg1, arg2, arg3)); 3009 break; 3010 #endif 3011 #ifdef TARGET_NR_getresgid32 3012 case TARGET_NR_getresgid32: 3013 { 3014 int rgid, egid, sgid; 3015 ret = get_errno(getresgid(&rgid, &egid, &sgid)); 3016 if (!is_error(ret)) { 3017 *(uint32_t *)arg1 = tswap32(rgid); 3018 *(uint32_t *)arg2 = tswap32(egid); 3019 *(uint32_t *)arg3 = tswap32(sgid); 3020 } 3021 } 3022 break; 3023 #endif 3024 #ifdef TARGET_NR_chown32 3025 case TARGET_NR_chown32: 3026 ret = get_errno(chown((const char *)arg1, arg2, arg3)); 3027 break; 3028 #endif 3029 #ifdef TARGET_NR_setuid32 3030 case TARGET_NR_setuid32: 3031 ret = get_errno(setuid(arg1)); 3032 break; 3033 #endif 3034 #ifdef TARGET_NR_setgid32 3035 case TARGET_NR_setgid32: 3036 ret = get_errno(setgid(arg1)); 3037 break; 3038 #endif 3039 #ifdef TARGET_NR_setfsuid32 3040 case TARGET_NR_setfsuid32: 3041 ret = get_errno(setfsuid(arg1)); 3042 break; 3043 #endif 3044 #ifdef TARGET_NR_setfsgid32 3045 case TARGET_NR_setfsgid32: 3046 ret = get_errno(setfsgid(arg1)); 3047 break; 3048 #endif 3049 3050 case TARGET_NR_pivot_root: 3051 goto unimplemented; 3052 #ifdef TARGET_NR_mincore 3053 case TARGET_NR_mincore: 3054 goto unimplemented; 3055 #endif 3056 #ifdef TARGET_NR_madvise 3057 case TARGET_NR_madvise: 3058 goto unimplemented; 3059 #endif 3060 #if TARGET_LONG_BITS == 32 3061 case TARGET_NR_fcntl64: 3062 { 3063 struct flock64 fl; 3064 struct target_flock64 *target_fl = (void *)arg3; 3065 3066 switch(arg2) { 3067 case F_GETLK64: 3068 ret = get_errno(fcntl(arg1, arg2, &fl)); 3069 if (ret == 0) { 3070 target_fl->l_type = tswap16(fl.l_type); 3071 target_fl->l_whence = tswap16(fl.l_whence); 3072 target_fl->l_start = tswap64(fl.l_start); 3073 target_fl->l_len = tswap64(fl.l_len); 3074 target_fl->l_pid = tswapl(fl.l_pid); 3075 } 3076 break; 3077 3078 case F_SETLK64: 3079 case F_SETLKW64: 3080 fl.l_type = tswap16(target_fl->l_type); 3081 fl.l_whence = tswap16(target_fl->l_whence); 3082 fl.l_start = tswap64(target_fl->l_start); 3083 fl.l_len = tswap64(target_fl->l_len); 3084 fl.l_pid = tswapl(target_fl->l_pid); 3085 ret = get_errno(fcntl(arg1, arg2, &fl)); 3086 break; 3087 default: 3088 ret = get_errno(do_fcntl(arg1, arg2, arg3)); 3089 break; 3090 } 3091 break; 3092 } 3093 #endif 3094 #ifdef TARGET_NR_security 3095 case TARGET_NR_security: 3096 goto unimplemented; 3097 #endif 3098 #ifdef TARGET_NR_getpagesize 3099 case TARGET_NR_getpagesize: 3100 ret = TARGET_PAGE_SIZE; 3101 break; 3102 #endif 3103 case TARGET_NR_gettid: 3104 ret = get_errno(gettid()); 3105 break; 3106 case TARGET_NR_readahead: 3107 goto unimplemented; 3108 #ifdef TARGET_NR_setxattr 3109 case TARGET_NR_setxattr: 3110 case TARGET_NR_lsetxattr: 3111 case TARGET_NR_fsetxattr: 3112 case TARGET_NR_getxattr: 3113 case TARGET_NR_lgetxattr: 3114 case TARGET_NR_fgetxattr: 3115 case TARGET_NR_listxattr: 3116 case TARGET_NR_llistxattr: 3117 case TARGET_NR_flistxattr: 3118 case TARGET_NR_removexattr: 3119 case TARGET_NR_lremovexattr: 3120 case TARGET_NR_fremovexattr: 3121 goto unimplemented_nowarn; 3122 #endif 3123 #ifdef TARGET_NR_set_thread_area 3124 case TARGET_NR_set_thread_area: 3125 case TARGET_NR_get_thread_area: 3126 goto unimplemented_nowarn; 3127 #endif 3128 default: 3129 unimplemented: 3130 gemu_log("qemu: Unsupported syscall: %d\n", num); 3131 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) 3132 unimplemented_nowarn: 3133 #endif 3134 ret = -ENOSYS; 3135 break; 3136 } 3137 fail: 3138 #ifdef DEBUG 3139 gemu_log(" = %ld\n", ret); 3140 #endif 3141 return ret; 3142 } 3143 3144