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1.1 root 1: /*
2: * Linux syscalls
1.1.1.6 ! root 3: *
1.1 root 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>
1.1.1.6 ! root 31: #include <sys/ipc.h>
! 32: #include <sys/msg.h>
1.1 root 33: #include <sys/wait.h>
34: #include <sys/time.h>
35: #include <sys/stat.h>
36: #include <sys/mount.h>
1.1.1.6 ! root 37: #include <sys/prctl.h>
1.1 root 38: #include <sys/resource.h>
39: #include <sys/mman.h>
40: #include <sys/swap.h>
41: #include <signal.h>
42: #include <sched.h>
43: #include <sys/socket.h>
44: #include <sys/uio.h>
45: #include <sys/poll.h>
46: #include <sys/times.h>
47: #include <sys/shm.h>
1.1.1.5 root 48: #include <sys/sem.h>
1.1.1.2 root 49: #include <sys/statfs.h>
1.1 root 50: #include <utime.h>
51: #include <sys/sysinfo.h>
52: //#include <sys/user.h>
53: #include <netinet/ip.h>
54: #include <netinet/tcp.h>
55:
56: #define termios host_termios
57: #define winsize host_winsize
58: #define termio host_termio
59: #define sgttyb host_sgttyb /* same as target */
60: #define tchars host_tchars /* same as target */
61: #define ltchars host_ltchars /* same as target */
62:
63: #include <linux/termios.h>
64: #include <linux/unistd.h>
65: #include <linux/utsname.h>
66: #include <linux/cdrom.h>
67: #include <linux/hdreg.h>
68: #include <linux/soundcard.h>
69: #include <linux/dirent.h>
70: #include <linux/kd.h>
71:
72: #include "qemu.h"
73:
74: //#define DEBUG
75:
1.1.1.5 root 76: #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
1.1.1.6 ! root 77: || defined(TARGET_M68K) || defined(TARGET_SH4) || defined(TARGET_CRIS)
1.1 root 78: /* 16 bit uid wrappers emulation */
79: #define USE_UID16
80: #endif
81:
82: //#include <linux/msdos_fs.h>
83: #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
84: #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
85:
86:
87: #undef _syscall0
88: #undef _syscall1
89: #undef _syscall2
90: #undef _syscall3
91: #undef _syscall4
92: #undef _syscall5
1.1.1.4 root 93: #undef _syscall6
1.1 root 94:
1.1.1.4 root 95: #define _syscall0(type,name) \
96: type name (void) \
97: { \
98: return syscall(__NR_##name); \
99: }
100:
101: #define _syscall1(type,name,type1,arg1) \
102: type name (type1 arg1) \
103: { \
104: return syscall(__NR_##name, arg1); \
105: }
106:
107: #define _syscall2(type,name,type1,arg1,type2,arg2) \
108: type name (type1 arg1,type2 arg2) \
109: { \
110: return syscall(__NR_##name, arg1, arg2); \
111: }
112:
113: #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
114: type name (type1 arg1,type2 arg2,type3 arg3) \
115: { \
116: return syscall(__NR_##name, arg1, arg2, arg3); \
117: }
118:
119: #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
120: type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
121: { \
122: return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
1.1 root 123: }
1.1.1.4 root 124:
125: #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
126: type5,arg5) \
127: type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
128: { \
129: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
130: }
131:
132:
133: #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
134: type5,arg5,type6,arg6) \
135: type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
136: { \
137: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
138: }
139:
1.1 root 140:
141: #define __NR_sys_uname __NR_uname
1.1.1.6 ! root 142: #define __NR_sys_faccessat __NR_faccessat
! 143: #define __NR_sys_fchmodat __NR_fchmodat
! 144: #define __NR_sys_fchownat __NR_fchownat
1.1 root 145: #define __NR_sys_getcwd1 __NR_getcwd
146: #define __NR_sys_getdents __NR_getdents
147: #define __NR_sys_getdents64 __NR_getdents64
1.1.1.6 ! root 148: #define __NR_sys_getpriority __NR_getpriority
! 149: #define __NR_sys_linkat __NR_linkat
! 150: #define __NR_sys_mkdirat __NR_mkdirat
! 151: #define __NR_sys_mknodat __NR_mknodat
! 152: #define __NR_sys_openat __NR_openat
! 153: #define __NR_sys_readlinkat __NR_readlinkat
! 154: #define __NR_sys_renameat __NR_renameat
1.1 root 155: #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
1.1.1.6 ! root 156: #define __NR_sys_symlinkat __NR_symlinkat
! 157: #define __NR_sys_syslog __NR_syslog
! 158: #define __NR_sys_tgkill __NR_tgkill
! 159: #define __NR_sys_tkill __NR_tkill
! 160: #define __NR_sys_unlinkat __NR_unlinkat
! 161: #define __NR_sys_utimensat __NR_utimensat
1.1 root 162:
163: #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
164: #define __NR__llseek __NR_lseek
165: #endif
166:
167: #ifdef __NR_gettid
168: _syscall0(int, gettid)
169: #else
1.1.1.6 ! root 170: /* This is a replacement for the host gettid() and must return a host
! 171: errno. */
1.1 root 172: static int gettid(void) {
173: return -ENOSYS;
174: }
175: #endif
176: _syscall1(int,sys_uname,struct new_utsname *,buf)
1.1.1.6 ! root 177: #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
! 178: _syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags)
! 179: #endif
! 180: #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
! 181: _syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname,
! 182: mode_t,mode,int,flags)
! 183: #endif
! 184: #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
! 185: _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
! 186: uid_t,owner,gid_t,group,int,flags)
! 187: #endif
1.1 root 188: _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
189: _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
1.1.1.6 ! root 190: #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
1.1 root 191: _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
1.1.1.6 ! root 192: #endif
! 193: _syscall2(int, sys_getpriority, int, which, int, who);
1.1 root 194: _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
195: loff_t *, res, uint, wh);
1.1.1.6 ! root 196: #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
! 197: _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
! 198: int,newdirfd,const char *,newpath,int,flags)
! 199: #endif
! 200: #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
! 201: _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
! 202: #endif
! 203: #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
! 204: _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
! 205: mode_t,mode,dev_t,dev)
! 206: #endif
! 207: #if defined(TARGET_NR_openat) && defined(__NR_openat)
! 208: _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
! 209: #endif
! 210: #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
! 211: _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
! 212: char *,buf,size_t,bufsize)
! 213: #endif
! 214: #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
! 215: _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
! 216: int,newdirfd,const char *,newpath)
! 217: #endif
1.1 root 218: _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
1.1.1.6 ! root 219: #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
! 220: _syscall3(int,sys_symlinkat,const char *,oldpath,
! 221: int,newdirfd,const char *,newpath)
! 222: #endif
! 223: _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
! 224: #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
! 225: _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
! 226: #endif
! 227: #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
! 228: _syscall2(int,sys_tkill,int,tid,int,sig)
! 229: #endif
1.1 root 230: #ifdef __NR_exit_group
231: _syscall1(int,exit_group,int,error_code)
232: #endif
1.1.1.6 ! root 233: #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
! 234: _syscall1(int,set_tid_address,int *,tidptr)
! 235: #endif
! 236: #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
! 237: _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
! 238: #endif
! 239: #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
! 240: _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
! 241: const struct timespec *,tsp,int,flags)
! 242: #endif
1.1 root 243:
244: extern int personality(int);
245: extern int flock(int, int);
246: extern int setfsuid(int);
247: extern int setfsgid(int);
248: extern int setresuid(uid_t, uid_t, uid_t);
249: extern int getresuid(uid_t *, uid_t *, uid_t *);
250: extern int setresgid(gid_t, gid_t, gid_t);
251: extern int getresgid(gid_t *, gid_t *, gid_t *);
252: extern int setgroups(int, gid_t *);
253:
1.1.1.6 ! root 254: #define ERRNO_TABLE_SIZE 1200
! 255:
! 256: /* target_to_host_errno_table[] is initialized from
! 257: * host_to_target_errno_table[] in syscall_init(). */
! 258: static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
! 259: };
! 260:
! 261: /*
! 262: * This list is the union of errno values overridden in asm-<arch>/errno.h
! 263: * minus the errnos that are not actually generic to all archs.
! 264: */
! 265: static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
! 266: [EIDRM] = TARGET_EIDRM,
! 267: [ECHRNG] = TARGET_ECHRNG,
! 268: [EL2NSYNC] = TARGET_EL2NSYNC,
! 269: [EL3HLT] = TARGET_EL3HLT,
! 270: [EL3RST] = TARGET_EL3RST,
! 271: [ELNRNG] = TARGET_ELNRNG,
! 272: [EUNATCH] = TARGET_EUNATCH,
! 273: [ENOCSI] = TARGET_ENOCSI,
! 274: [EL2HLT] = TARGET_EL2HLT,
! 275: [EDEADLK] = TARGET_EDEADLK,
! 276: [ENOLCK] = TARGET_ENOLCK,
! 277: [EBADE] = TARGET_EBADE,
! 278: [EBADR] = TARGET_EBADR,
! 279: [EXFULL] = TARGET_EXFULL,
! 280: [ENOANO] = TARGET_ENOANO,
! 281: [EBADRQC] = TARGET_EBADRQC,
! 282: [EBADSLT] = TARGET_EBADSLT,
! 283: [EBFONT] = TARGET_EBFONT,
! 284: [ENOSTR] = TARGET_ENOSTR,
! 285: [ENODATA] = TARGET_ENODATA,
! 286: [ETIME] = TARGET_ETIME,
! 287: [ENOSR] = TARGET_ENOSR,
! 288: [ENONET] = TARGET_ENONET,
! 289: [ENOPKG] = TARGET_ENOPKG,
! 290: [EREMOTE] = TARGET_EREMOTE,
! 291: [ENOLINK] = TARGET_ENOLINK,
! 292: [EADV] = TARGET_EADV,
! 293: [ESRMNT] = TARGET_ESRMNT,
! 294: [ECOMM] = TARGET_ECOMM,
! 295: [EPROTO] = TARGET_EPROTO,
! 296: [EDOTDOT] = TARGET_EDOTDOT,
! 297: [EMULTIHOP] = TARGET_EMULTIHOP,
! 298: [EBADMSG] = TARGET_EBADMSG,
! 299: [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
! 300: [EOVERFLOW] = TARGET_EOVERFLOW,
! 301: [ENOTUNIQ] = TARGET_ENOTUNIQ,
! 302: [EBADFD] = TARGET_EBADFD,
! 303: [EREMCHG] = TARGET_EREMCHG,
! 304: [ELIBACC] = TARGET_ELIBACC,
! 305: [ELIBBAD] = TARGET_ELIBBAD,
! 306: [ELIBSCN] = TARGET_ELIBSCN,
! 307: [ELIBMAX] = TARGET_ELIBMAX,
! 308: [ELIBEXEC] = TARGET_ELIBEXEC,
! 309: [EILSEQ] = TARGET_EILSEQ,
! 310: [ENOSYS] = TARGET_ENOSYS,
! 311: [ELOOP] = TARGET_ELOOP,
! 312: [ERESTART] = TARGET_ERESTART,
! 313: [ESTRPIPE] = TARGET_ESTRPIPE,
! 314: [ENOTEMPTY] = TARGET_ENOTEMPTY,
! 315: [EUSERS] = TARGET_EUSERS,
! 316: [ENOTSOCK] = TARGET_ENOTSOCK,
! 317: [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
! 318: [EMSGSIZE] = TARGET_EMSGSIZE,
! 319: [EPROTOTYPE] = TARGET_EPROTOTYPE,
! 320: [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
! 321: [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
! 322: [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
! 323: [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
! 324: [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
! 325: [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
! 326: [EADDRINUSE] = TARGET_EADDRINUSE,
! 327: [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
! 328: [ENETDOWN] = TARGET_ENETDOWN,
! 329: [ENETUNREACH] = TARGET_ENETUNREACH,
! 330: [ENETRESET] = TARGET_ENETRESET,
! 331: [ECONNABORTED] = TARGET_ECONNABORTED,
! 332: [ECONNRESET] = TARGET_ECONNRESET,
! 333: [ENOBUFS] = TARGET_ENOBUFS,
! 334: [EISCONN] = TARGET_EISCONN,
! 335: [ENOTCONN] = TARGET_ENOTCONN,
! 336: [EUCLEAN] = TARGET_EUCLEAN,
! 337: [ENOTNAM] = TARGET_ENOTNAM,
! 338: [ENAVAIL] = TARGET_ENAVAIL,
! 339: [EISNAM] = TARGET_EISNAM,
! 340: [EREMOTEIO] = TARGET_EREMOTEIO,
! 341: [ESHUTDOWN] = TARGET_ESHUTDOWN,
! 342: [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
! 343: [ETIMEDOUT] = TARGET_ETIMEDOUT,
! 344: [ECONNREFUSED] = TARGET_ECONNREFUSED,
! 345: [EHOSTDOWN] = TARGET_EHOSTDOWN,
! 346: [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
! 347: [EALREADY] = TARGET_EALREADY,
! 348: [EINPROGRESS] = TARGET_EINPROGRESS,
! 349: [ESTALE] = TARGET_ESTALE,
! 350: [ECANCELED] = TARGET_ECANCELED,
! 351: [ENOMEDIUM] = TARGET_ENOMEDIUM,
! 352: [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
! 353: #ifdef ENOKEY
! 354: [ENOKEY] = TARGET_ENOKEY,
! 355: #endif
! 356: #ifdef EKEYEXPIRED
! 357: [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
! 358: #endif
! 359: #ifdef EKEYREVOKED
! 360: [EKEYREVOKED] = TARGET_EKEYREVOKED,
! 361: #endif
! 362: #ifdef EKEYREJECTED
! 363: [EKEYREJECTED] = TARGET_EKEYREJECTED,
! 364: #endif
! 365: #ifdef EOWNERDEAD
! 366: [EOWNERDEAD] = TARGET_EOWNERDEAD,
! 367: #endif
! 368: #ifdef ENOTRECOVERABLE
! 369: [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
! 370: #endif
! 371: };
! 372:
! 373: static inline int host_to_target_errno(int err)
! 374: {
! 375: if(host_to_target_errno_table[err])
! 376: return host_to_target_errno_table[err];
! 377: return err;
! 378: }
! 379:
! 380: static inline int target_to_host_errno(int err)
! 381: {
! 382: if (target_to_host_errno_table[err])
! 383: return target_to_host_errno_table[err];
! 384: return err;
! 385: }
! 386:
! 387: static inline abi_long get_errno(abi_long ret)
1.1 root 388: {
389: if (ret == -1)
1.1.1.6 ! root 390: return -host_to_target_errno(errno);
1.1 root 391: else
392: return ret;
393: }
394:
1.1.1.6 ! root 395: static inline int is_error(abi_long ret)
! 396: {
! 397: return (abi_ulong)ret >= (abi_ulong)(-4096);
! 398: }
! 399:
! 400: char *target_strerror(int err)
1.1 root 401: {
1.1.1.6 ! root 402: return strerror(target_to_host_errno(err));
1.1 root 403: }
404:
1.1.1.6 ! root 405: static abi_ulong target_brk;
! 406: static abi_ulong target_original_brk;
1.1 root 407:
1.1.1.6 ! root 408: void target_set_brk(abi_ulong new_brk)
1.1 root 409: {
1.1.1.6 ! root 410: target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
1.1 root 411: }
412:
1.1.1.6 ! root 413: /* do_brk() must return target values and target errnos. */
! 414: abi_long do_brk(abi_ulong new_brk)
1.1 root 415: {
1.1.1.6 ! root 416: abi_ulong brk_page;
! 417: abi_long mapped_addr;
1.1 root 418: int new_alloc_size;
419:
420: if (!new_brk)
1.1.1.3 root 421: return target_brk;
1.1 root 422: if (new_brk < target_original_brk)
1.1.1.6 ! root 423: return -TARGET_ENOMEM;
! 424:
1.1.1.3 root 425: brk_page = HOST_PAGE_ALIGN(target_brk);
1.1 root 426:
427: /* If the new brk is less than this, set it and we're done... */
428: if (new_brk < brk_page) {
429: target_brk = new_brk;
1.1.1.3 root 430: return target_brk;
1.1 root 431: }
432:
433: /* We need to allocate more memory after the brk... */
434: new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
1.1.1.6 ! root 435: mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
1.1 root 436: PROT_READ|PROT_WRITE,
437: MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
438: if (is_error(mapped_addr)) {
439: return mapped_addr;
440: } else {
441: target_brk = new_brk;
1.1.1.3 root 442: return target_brk;
1.1 root 443: }
444: }
445:
1.1.1.6 ! root 446: static inline abi_long copy_from_user_fdset(fd_set *fds,
! 447: abi_ulong target_fds_addr,
! 448: int n)
1.1 root 449: {
1.1.1.6 ! root 450: int i, nw, j, k;
! 451: abi_ulong b, *target_fds;
! 452:
! 453: nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
! 454: if (!(target_fds = lock_user(VERIFY_READ,
! 455: target_fds_addr,
! 456: sizeof(abi_ulong) * nw,
! 457: 1)))
! 458: return -TARGET_EFAULT;
! 459:
! 460: FD_ZERO(fds);
! 461: k = 0;
! 462: for (i = 0; i < nw; i++) {
! 463: /* grab the abi_ulong */
! 464: __get_user(b, &target_fds[i]);
! 465: for (j = 0; j < TARGET_ABI_BITS; j++) {
! 466: /* check the bit inside the abi_ulong */
! 467: if ((b >> j) & 1)
! 468: FD_SET(k, fds);
! 469: k++;
1.1 root 470: }
471: }
1.1.1.6 ! root 472:
! 473: unlock_user(target_fds, target_fds_addr, 0);
! 474:
! 475: return 0;
1.1 root 476: }
477:
1.1.1.6 ! root 478: static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
! 479: const fd_set *fds,
! 480: int n)
1.1 root 481: {
482: int i, nw, j, k;
1.1.1.6 ! root 483: abi_long v;
! 484: abi_ulong *target_fds;
1.1 root 485:
1.1.1.6 ! root 486: nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
! 487: if (!(target_fds = lock_user(VERIFY_WRITE,
! 488: target_fds_addr,
! 489: sizeof(abi_ulong) * nw,
! 490: 0)))
! 491: return -TARGET_EFAULT;
! 492:
! 493: k = 0;
! 494: for (i = 0; i < nw; i++) {
! 495: v = 0;
! 496: for (j = 0; j < TARGET_ABI_BITS; j++) {
! 497: v |= ((FD_ISSET(k, fds) != 0) << j);
! 498: k++;
1.1 root 499: }
1.1.1.6 ! root 500: __put_user(v, &target_fds[i]);
1.1 root 501: }
1.1.1.6 ! root 502:
! 503: unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
! 504:
! 505: return 0;
1.1 root 506: }
507:
508: #if defined(__alpha__)
509: #define HOST_HZ 1024
510: #else
511: #define HOST_HZ 100
512: #endif
513:
1.1.1.6 ! root 514: static inline abi_long host_to_target_clock_t(long ticks)
1.1 root 515: {
516: #if HOST_HZ == TARGET_HZ
517: return ticks;
518: #else
519: return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
520: #endif
521: }
522:
1.1.1.6 ! root 523: static inline abi_long host_to_target_rusage(abi_ulong target_addr,
! 524: const struct rusage *rusage)
1.1 root 525: {
1.1.1.3 root 526: struct target_rusage *target_rusage;
527:
1.1.1.6 ! root 528: if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
! 529: return -TARGET_EFAULT;
1.1 root 530: target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
531: target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
532: target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
533: target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
534: target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
535: target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
536: target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
537: target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
538: target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
539: target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
540: target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
541: target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
542: target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
543: target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
544: target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
545: target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
546: target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
547: target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
1.1.1.3 root 548: unlock_user_struct(target_rusage, target_addr, 1);
1.1.1.6 ! root 549:
! 550: return 0;
1.1 root 551: }
552:
1.1.1.6 ! root 553: static inline abi_long copy_from_user_timeval(struct timeval *tv,
! 554: abi_ulong target_tv_addr)
1.1 root 555: {
1.1.1.3 root 556: struct target_timeval *target_tv;
557:
1.1.1.6 ! root 558: if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
! 559: return -TARGET_EFAULT;
! 560:
! 561: __get_user(tv->tv_sec, &target_tv->tv_sec);
! 562: __get_user(tv->tv_usec, &target_tv->tv_usec);
! 563:
! 564: unlock_user_struct(target_tv, target_tv_addr, 0);
! 565:
! 566: return 0;
1.1 root 567: }
568:
1.1.1.6 ! root 569: static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
! 570: const struct timeval *tv)
1.1 root 571: {
1.1.1.3 root 572: struct target_timeval *target_tv;
573:
1.1.1.6 ! root 574: if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
! 575: return -TARGET_EFAULT;
! 576:
! 577: __put_user(tv->tv_sec, &target_tv->tv_sec);
! 578: __put_user(tv->tv_usec, &target_tv->tv_usec);
! 579:
! 580: unlock_user_struct(target_tv, target_tv_addr, 1);
! 581:
! 582: return 0;
1.1 root 583: }
584:
585:
1.1.1.6 ! root 586: /* do_select() must return target values and target errnos. */
! 587: static abi_long do_select(int n,
! 588: abi_ulong rfd_addr, abi_ulong wfd_addr,
! 589: abi_ulong efd_addr, abi_ulong target_tv_addr)
1.1 root 590: {
591: fd_set rfds, wfds, efds;
592: fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
593: struct timeval tv, *tv_ptr;
1.1.1.6 ! root 594: abi_long ret;
1.1 root 595:
1.1.1.6 ! root 596: if (rfd_addr) {
! 597: if (copy_from_user_fdset(&rfds, rfd_addr, n))
! 598: return -TARGET_EFAULT;
! 599: rfds_ptr = &rfds;
1.1.1.3 root 600: } else {
601: rfds_ptr = NULL;
602: }
1.1.1.6 ! root 603: if (wfd_addr) {
! 604: if (copy_from_user_fdset(&wfds, wfd_addr, n))
! 605: return -TARGET_EFAULT;
! 606: wfds_ptr = &wfds;
1.1.1.3 root 607: } else {
608: wfds_ptr = NULL;
609: }
1.1.1.6 ! root 610: if (efd_addr) {
! 611: if (copy_from_user_fdset(&efds, efd_addr, n))
! 612: return -TARGET_EFAULT;
! 613: efds_ptr = &efds;
1.1.1.3 root 614: } else {
615: efds_ptr = NULL;
616: }
1.1.1.6 ! root 617:
! 618: if (target_tv_addr) {
! 619: if (copy_from_user_timeval(&tv, target_tv_addr))
! 620: return -TARGET_EFAULT;
1.1 root 621: tv_ptr = &tv;
622: } else {
623: tv_ptr = NULL;
624: }
1.1.1.6 ! root 625:
1.1 root 626: ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
1.1.1.3 root 627:
1.1.1.6 ! root 628: if (!is_error(ret)) {
! 629: if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
! 630: return -TARGET_EFAULT;
! 631: if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
! 632: return -TARGET_EFAULT;
! 633: if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
! 634: return -TARGET_EFAULT;
1.1 root 635:
1.1.1.6 ! root 636: if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
! 637: return -TARGET_EFAULT;
1.1 root 638: }
1.1.1.3 root 639:
1.1 root 640: return ret;
641: }
642:
1.1.1.6 ! root 643: static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
! 644: abi_ulong target_addr,
! 645: socklen_t len)
1.1 root 646: {
1.1.1.3 root 647: struct target_sockaddr *target_saddr;
648:
1.1.1.6 ! root 649: target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
! 650: if (!target_saddr)
! 651: return -TARGET_EFAULT;
1.1.1.3 root 652: memcpy(addr, target_saddr, len);
653: addr->sa_family = tswap16(target_saddr->sa_family);
654: unlock_user(target_saddr, target_addr, 0);
1.1.1.6 ! root 655:
! 656: return 0;
1.1 root 657: }
658:
1.1.1.6 ! root 659: static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
! 660: struct sockaddr *addr,
! 661: socklen_t len)
1.1 root 662: {
1.1.1.3 root 663: struct target_sockaddr *target_saddr;
664:
1.1.1.6 ! root 665: target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
! 666: if (!target_saddr)
! 667: return -TARGET_EFAULT;
1.1.1.3 root 668: memcpy(target_saddr, addr, len);
669: target_saddr->sa_family = tswap16(addr->sa_family);
670: unlock_user(target_saddr, target_addr, len);
1.1.1.6 ! root 671:
! 672: return 0;
1.1 root 673: }
674:
1.1.1.3 root 675: /* ??? Should this also swap msgh->name? */
1.1.1.6 ! root 676: static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
! 677: struct target_msghdr *target_msgh)
1.1 root 678: {
679: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1.1.1.6 ! root 680: abi_long msg_controllen;
! 681: abi_ulong target_cmsg_addr;
! 682: struct target_cmsghdr *target_cmsg;
1.1 root 683: socklen_t space = 0;
1.1.1.6 ! root 684:
! 685: msg_controllen = tswapl(target_msgh->msg_controllen);
! 686: if (msg_controllen < sizeof (struct target_cmsghdr))
! 687: goto the_end;
! 688: target_cmsg_addr = tswapl(target_msgh->msg_control);
! 689: target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
! 690: if (!target_cmsg)
! 691: return -TARGET_EFAULT;
1.1 root 692:
693: while (cmsg && target_cmsg) {
694: void *data = CMSG_DATA(cmsg);
695: void *target_data = TARGET_CMSG_DATA(target_cmsg);
696:
1.1.1.6 ! root 697: int len = tswapl(target_cmsg->cmsg_len)
1.1 root 698: - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
699:
700: space += CMSG_SPACE(len);
701: if (space > msgh->msg_controllen) {
702: space -= CMSG_SPACE(len);
1.1.1.2 root 703: gemu_log("Host cmsg overflow\n");
1.1 root 704: break;
705: }
706:
707: cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
708: cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
709: cmsg->cmsg_len = CMSG_LEN(len);
710:
1.1.1.4 root 711: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 712: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
713: memcpy(data, target_data, len);
714: } else {
715: int *fd = (int *)data;
716: int *target_fd = (int *)target_data;
717: int i, numfds = len / sizeof(int);
718:
719: for (i = 0; i < numfds; i++)
720: fd[i] = tswap32(target_fd[i]);
721: }
722:
723: cmsg = CMSG_NXTHDR(msgh, cmsg);
724: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
725: }
1.1.1.6 ! root 726: unlock_user(target_cmsg, target_cmsg_addr, 0);
! 727: the_end:
1.1 root 728: msgh->msg_controllen = space;
1.1.1.6 ! root 729: return 0;
1.1 root 730: }
731:
1.1.1.3 root 732: /* ??? Should this also swap msgh->name? */
1.1.1.6 ! root 733: static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
! 734: struct msghdr *msgh)
1.1 root 735: {
736: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1.1.1.6 ! root 737: abi_long msg_controllen;
! 738: abi_ulong target_cmsg_addr;
! 739: struct target_cmsghdr *target_cmsg;
1.1 root 740: socklen_t space = 0;
741:
1.1.1.6 ! root 742: msg_controllen = tswapl(target_msgh->msg_controllen);
! 743: if (msg_controllen < sizeof (struct target_cmsghdr))
! 744: goto the_end;
! 745: target_cmsg_addr = tswapl(target_msgh->msg_control);
! 746: target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
! 747: if (!target_cmsg)
! 748: return -TARGET_EFAULT;
! 749:
1.1 root 750: while (cmsg && target_cmsg) {
751: void *data = CMSG_DATA(cmsg);
752: void *target_data = TARGET_CMSG_DATA(target_cmsg);
753:
754: int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
755:
756: space += TARGET_CMSG_SPACE(len);
1.1.1.6 ! root 757: if (space > msg_controllen) {
1.1 root 758: space -= TARGET_CMSG_SPACE(len);
1.1.1.2 root 759: gemu_log("Target cmsg overflow\n");
1.1 root 760: break;
761: }
762:
763: target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
764: target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
765: target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
766:
1.1.1.4 root 767: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 768: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
769: memcpy(target_data, data, len);
770: } else {
771: int *fd = (int *)data;
772: int *target_fd = (int *)target_data;
773: int i, numfds = len / sizeof(int);
774:
775: for (i = 0; i < numfds; i++)
776: target_fd[i] = tswap32(fd[i]);
777: }
778:
779: cmsg = CMSG_NXTHDR(msgh, cmsg);
780: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
781: }
1.1.1.6 ! root 782: unlock_user(target_cmsg, target_cmsg_addr, space);
! 783: the_end:
! 784: target_msgh->msg_controllen = tswapl(space);
! 785: return 0;
1.1 root 786: }
787:
1.1.1.6 ! root 788: /* do_setsockopt() Must return target values and target errnos. */
! 789: static abi_long do_setsockopt(int sockfd, int level, int optname,
! 790: abi_ulong optval_addr, socklen_t optlen)
1.1 root 791: {
1.1.1.6 ! root 792: abi_long ret;
! 793: int val;
! 794:
1.1 root 795: switch(level) {
796: case SOL_TCP:
797: /* TCP options all take an 'int' value. */
798: if (optlen < sizeof(uint32_t))
1.1.1.6 ! root 799: return -TARGET_EINVAL;
! 800:
! 801: if (get_user_u32(val, optval_addr))
! 802: return -TARGET_EFAULT;
1.1 root 803: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
804: break;
805: case SOL_IP:
806: switch(optname) {
807: case IP_TOS:
808: case IP_TTL:
809: case IP_HDRINCL:
810: case IP_ROUTER_ALERT:
811: case IP_RECVOPTS:
812: case IP_RETOPTS:
813: case IP_PKTINFO:
814: case IP_MTU_DISCOVER:
815: case IP_RECVERR:
816: case IP_RECVTOS:
817: #ifdef IP_FREEBIND
818: case IP_FREEBIND:
819: #endif
820: case IP_MULTICAST_TTL:
821: case IP_MULTICAST_LOOP:
822: val = 0;
823: if (optlen >= sizeof(uint32_t)) {
1.1.1.6 ! root 824: if (get_user_u32(val, optval_addr))
! 825: return -TARGET_EFAULT;
1.1 root 826: } else if (optlen >= 1) {
1.1.1.6 ! root 827: if (get_user_u8(val, optval_addr))
! 828: return -TARGET_EFAULT;
1.1 root 829: }
830: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
831: break;
832: default:
833: goto unimplemented;
834: }
835: break;
1.1.1.4 root 836: case TARGET_SOL_SOCKET:
1.1 root 837: switch (optname) {
838: /* Options with 'int' argument. */
1.1.1.4 root 839: case TARGET_SO_DEBUG:
840: optname = SO_DEBUG;
841: break;
842: case TARGET_SO_REUSEADDR:
843: optname = SO_REUSEADDR;
844: break;
845: case TARGET_SO_TYPE:
846: optname = SO_TYPE;
847: break;
848: case TARGET_SO_ERROR:
849: optname = SO_ERROR;
850: break;
851: case TARGET_SO_DONTROUTE:
852: optname = SO_DONTROUTE;
853: break;
854: case TARGET_SO_BROADCAST:
855: optname = SO_BROADCAST;
856: break;
857: case TARGET_SO_SNDBUF:
858: optname = SO_SNDBUF;
859: break;
860: case TARGET_SO_RCVBUF:
861: optname = SO_RCVBUF;
862: break;
863: case TARGET_SO_KEEPALIVE:
864: optname = SO_KEEPALIVE;
865: break;
866: case TARGET_SO_OOBINLINE:
867: optname = SO_OOBINLINE;
868: break;
869: case TARGET_SO_NO_CHECK:
870: optname = SO_NO_CHECK;
871: break;
872: case TARGET_SO_PRIORITY:
873: optname = SO_PRIORITY;
874: break;
1.1 root 875: #ifdef SO_BSDCOMPAT
1.1.1.4 root 876: case TARGET_SO_BSDCOMPAT:
877: optname = SO_BSDCOMPAT;
878: break;
1.1 root 879: #endif
1.1.1.4 root 880: case TARGET_SO_PASSCRED:
881: optname = SO_PASSCRED;
882: break;
883: case TARGET_SO_TIMESTAMP:
884: optname = SO_TIMESTAMP;
885: break;
886: case TARGET_SO_RCVLOWAT:
887: optname = SO_RCVLOWAT;
888: break;
889: case TARGET_SO_RCVTIMEO:
890: optname = SO_RCVTIMEO;
891: break;
892: case TARGET_SO_SNDTIMEO:
893: optname = SO_SNDTIMEO;
894: break;
1.1 root 895: break;
896: default:
897: goto unimplemented;
898: }
1.1.1.4 root 899: if (optlen < sizeof(uint32_t))
1.1.1.6 ! root 900: return -TARGET_EINVAL;
1.1.1.4 root 901:
1.1.1.6 ! root 902: if (get_user_u32(val, optval_addr))
! 903: return -TARGET_EFAULT;
1.1.1.4 root 904: ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
1.1 root 905: break;
906: default:
907: unimplemented:
908: gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
1.1.1.6 ! root 909: ret = -TARGET_ENOPROTOOPT;
1.1 root 910: }
911: return ret;
912: }
913:
1.1.1.6 ! root 914: /* do_getsockopt() Must return target values and target errnos. */
! 915: static abi_long do_getsockopt(int sockfd, int level, int optname,
! 916: abi_ulong optval_addr, abi_ulong optlen)
1.1 root 917: {
1.1.1.6 ! root 918: abi_long ret;
! 919: int len, lv, val;
1.1 root 920:
921: switch(level) {
1.1.1.4 root 922: case TARGET_SOL_SOCKET:
923: level = SOL_SOCKET;
1.1 root 924: switch (optname) {
1.1.1.4 root 925: case TARGET_SO_LINGER:
926: case TARGET_SO_RCVTIMEO:
927: case TARGET_SO_SNDTIMEO:
928: case TARGET_SO_PEERCRED:
929: case TARGET_SO_PEERNAME:
1.1 root 930: /* These don't just return a single integer */
931: goto unimplemented;
932: default:
933: goto int_case;
934: }
935: break;
936: case SOL_TCP:
937: /* TCP options all take an 'int' value. */
938: int_case:
1.1.1.6 ! root 939: if (get_user_u32(len, optlen))
! 940: return -TARGET_EFAULT;
1.1 root 941: if (len < 0)
1.1.1.6 ! root 942: return -TARGET_EINVAL;
1.1 root 943: lv = sizeof(int);
944: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
945: if (ret < 0)
946: return ret;
947: val = tswap32(val);
948: if (len > lv)
949: len = lv;
1.1.1.6 ! root 950: if (len == 4) {
! 951: if (put_user_u32(val, optval_addr))
! 952: return -TARGET_EFAULT;
! 953: } else {
! 954: if (put_user_u8(val, optval_addr))
! 955: return -TARGET_EFAULT;
! 956: }
! 957: if (put_user_u32(len, optlen))
! 958: return -TARGET_EFAULT;
1.1 root 959: break;
960: case SOL_IP:
961: switch(optname) {
962: case IP_TOS:
963: case IP_TTL:
964: case IP_HDRINCL:
965: case IP_ROUTER_ALERT:
966: case IP_RECVOPTS:
967: case IP_RETOPTS:
968: case IP_PKTINFO:
969: case IP_MTU_DISCOVER:
970: case IP_RECVERR:
971: case IP_RECVTOS:
972: #ifdef IP_FREEBIND
973: case IP_FREEBIND:
974: #endif
975: case IP_MULTICAST_TTL:
976: case IP_MULTICAST_LOOP:
1.1.1.6 ! root 977: if (get_user_u32(len, optlen))
! 978: return -TARGET_EFAULT;
1.1 root 979: if (len < 0)
1.1.1.6 ! root 980: return -TARGET_EINVAL;
1.1 root 981: lv = sizeof(int);
982: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
983: if (ret < 0)
984: return ret;
985: if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
986: len = 1;
1.1.1.6 ! root 987: if (put_user_u32(len, optlen)
! 988: || put_user_u8(val, optval_addr))
! 989: return -TARGET_EFAULT;
1.1 root 990: } else {
991: if (len > sizeof(int))
992: len = sizeof(int);
1.1.1.6 ! root 993: if (put_user_u32(len, optlen)
! 994: || put_user_u32(val, optval_addr))
! 995: return -TARGET_EFAULT;
1.1 root 996: }
997: break;
998: default:
1.1.1.6 ! root 999: ret = -TARGET_ENOPROTOOPT;
! 1000: break;
1.1 root 1001: }
1002: break;
1003: default:
1004: unimplemented:
1005: gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1006: level, optname);
1.1.1.6 ! root 1007: ret = -TARGET_EOPNOTSUPP;
1.1 root 1008: break;
1009: }
1010: return ret;
1011: }
1012:
1.1.1.6 ! root 1013: /* FIXME
! 1014: * lock_iovec()/unlock_iovec() have a return code of 0 for success where
! 1015: * other lock functions have a return code of 0 for failure.
! 1016: */
! 1017: static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
! 1018: int count, int copy)
1.1.1.3 root 1019: {
1020: struct target_iovec *target_vec;
1.1.1.6 ! root 1021: abi_ulong base;
! 1022: int i, j;
1.1.1.3 root 1023:
1.1.1.6 ! root 1024: target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
! 1025: if (!target_vec)
! 1026: return -TARGET_EFAULT;
1.1.1.3 root 1027: for(i = 0;i < count; i++) {
1028: base = tswapl(target_vec[i].iov_base);
1029: vec[i].iov_len = tswapl(target_vec[i].iov_len);
1.1.1.6 ! root 1030: vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
! 1031: if (!vec[i].iov_base)
! 1032: goto fail;
! 1033: }
! 1034: unlock_user (target_vec, target_addr, 0);
! 1035: return 0;
! 1036: fail:
! 1037: /* failure - unwind locks */
! 1038: for (j = 0; j < i; j++) {
! 1039: base = tswapl(target_vec[j].iov_base);
! 1040: unlock_user(vec[j].iov_base, base, 0);
1.1.1.3 root 1041: }
1042: unlock_user (target_vec, target_addr, 0);
1.1.1.6 ! root 1043: return -TARGET_EFAULT;
1.1.1.3 root 1044: }
1045:
1.1.1.6 ! root 1046: static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
! 1047: int count, int copy)
1.1.1.3 root 1048: {
1049: struct target_iovec *target_vec;
1.1.1.6 ! root 1050: abi_ulong base;
1.1.1.3 root 1051: int i;
1052:
1.1.1.6 ! root 1053: target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
! 1054: if (!target_vec)
! 1055: return -TARGET_EFAULT;
1.1.1.3 root 1056: for(i = 0;i < count; i++) {
1057: base = tswapl(target_vec[i].iov_base);
1058: unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1059: }
1060: unlock_user (target_vec, target_addr, 0);
1.1.1.6 ! root 1061:
! 1062: return 0;
1.1.1.3 root 1063: }
1064:
1.1.1.6 ! root 1065: /* do_socket() Must return target values and target errnos. */
! 1066: static abi_long do_socket(int domain, int type, int protocol)
1.1.1.4 root 1067: {
1068: #if defined(TARGET_MIPS)
1069: switch(type) {
1070: case TARGET_SOCK_DGRAM:
1071: type = SOCK_DGRAM;
1072: break;
1073: case TARGET_SOCK_STREAM:
1074: type = SOCK_STREAM;
1075: break;
1076: case TARGET_SOCK_RAW:
1077: type = SOCK_RAW;
1078: break;
1079: case TARGET_SOCK_RDM:
1080: type = SOCK_RDM;
1081: break;
1082: case TARGET_SOCK_SEQPACKET:
1083: type = SOCK_SEQPACKET;
1084: break;
1085: case TARGET_SOCK_PACKET:
1086: type = SOCK_PACKET;
1087: break;
1088: }
1089: #endif
1.1.1.6 ! root 1090: if (domain == PF_NETLINK)
! 1091: return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
1.1.1.4 root 1092: return get_errno(socket(domain, type, protocol));
1093: }
1094:
1.1.1.6 ! root 1095: /* do_bind() Must return target values and target errnos. */
! 1096: static abi_long do_bind(int sockfd, abi_ulong target_addr,
! 1097: socklen_t addrlen)
1.1.1.4 root 1098: {
1099: void *addr = alloca(addrlen);
1.1.1.6 ! root 1100:
1.1.1.4 root 1101: target_to_host_sockaddr(addr, target_addr, addrlen);
1102: return get_errno(bind(sockfd, addr, addrlen));
1103: }
1104:
1.1.1.6 ! root 1105: /* do_connect() Must return target values and target errnos. */
! 1106: static abi_long do_connect(int sockfd, abi_ulong target_addr,
! 1107: socklen_t addrlen)
1.1.1.4 root 1108: {
1109: void *addr = alloca(addrlen);
1.1.1.6 ! root 1110:
1.1.1.4 root 1111: target_to_host_sockaddr(addr, target_addr, addrlen);
1112: return get_errno(connect(sockfd, addr, addrlen));
1113: }
1114:
1.1.1.6 ! root 1115: /* do_sendrecvmsg() Must return target values and target errnos. */
! 1116: static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
! 1117: int flags, int send)
1.1.1.4 root 1118: {
1.1.1.6 ! root 1119: abi_long ret;
1.1.1.4 root 1120: struct target_msghdr *msgp;
1121: struct msghdr msg;
1122: int count;
1123: struct iovec *vec;
1.1.1.6 ! root 1124: abi_ulong target_vec;
1.1.1.4 root 1125:
1.1.1.6 ! root 1126: /* FIXME */
! 1127: if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
! 1128: msgp,
! 1129: target_msg,
! 1130: send ? 1 : 0))
! 1131: return -TARGET_EFAULT;
1.1.1.4 root 1132: if (msgp->msg_name) {
1133: msg.msg_namelen = tswap32(msgp->msg_namelen);
1134: msg.msg_name = alloca(msg.msg_namelen);
1135: target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1136: msg.msg_namelen);
1137: } else {
1138: msg.msg_name = NULL;
1139: msg.msg_namelen = 0;
1140: }
1141: msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1142: msg.msg_control = alloca(msg.msg_controllen);
1143: msg.msg_flags = tswap32(msgp->msg_flags);
1.1.1.6 ! root 1144:
1.1.1.4 root 1145: count = tswapl(msgp->msg_iovlen);
1146: vec = alloca(count * sizeof(struct iovec));
1147: target_vec = tswapl(msgp->msg_iov);
1.1.1.6 ! root 1148: lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1.1.1.4 root 1149: msg.msg_iovlen = count;
1150: msg.msg_iov = vec;
1.1.1.6 ! root 1151:
1.1.1.4 root 1152: if (send) {
1.1.1.6 ! root 1153: ret = target_to_host_cmsg(&msg, msgp);
! 1154: if (ret == 0)
! 1155: ret = get_errno(sendmsg(fd, &msg, flags));
1.1.1.4 root 1156: } else {
1157: ret = get_errno(recvmsg(fd, &msg, flags));
1158: if (!is_error(ret))
1.1.1.6 ! root 1159: ret = host_to_target_cmsg(msgp, &msg);
1.1.1.4 root 1160: }
1161: unlock_iovec(vec, target_vec, count, !send);
1.1.1.6 ! root 1162: unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1.1.1.4 root 1163: return ret;
1164: }
1165:
1.1.1.6 ! root 1166: /* do_accept() Must return target values and target errnos. */
! 1167: static abi_long do_accept(int fd, abi_ulong target_addr,
! 1168: abi_ulong target_addrlen_addr)
1.1.1.5 root 1169: {
1.1.1.6 ! root 1170: socklen_t addrlen;
! 1171: void *addr;
! 1172: abi_long ret;
! 1173:
! 1174: if (get_user_u32(addrlen, target_addrlen_addr))
! 1175: return -TARGET_EFAULT;
! 1176:
! 1177: addr = alloca(addrlen);
1.1.1.5 root 1178:
1179: ret = get_errno(accept(fd, addr, &addrlen));
1180: if (!is_error(ret)) {
1181: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 ! root 1182: if (put_user_u32(addrlen, target_addrlen_addr))
! 1183: ret = -TARGET_EFAULT;
1.1.1.5 root 1184: }
1185: return ret;
1186: }
1187:
1.1.1.6 ! root 1188: /* do_getpeername() Must return target values and target errnos. */
! 1189: static abi_long do_getpeername(int fd, abi_ulong target_addr,
! 1190: abi_ulong target_addrlen_addr)
1.1.1.5 root 1191: {
1.1.1.6 ! root 1192: socklen_t addrlen;
! 1193: void *addr;
! 1194: abi_long ret;
! 1195:
! 1196: if (get_user_u32(addrlen, target_addrlen_addr))
! 1197: return -TARGET_EFAULT;
! 1198:
! 1199: addr = alloca(addrlen);
1.1.1.5 root 1200:
1201: ret = get_errno(getpeername(fd, addr, &addrlen));
1202: if (!is_error(ret)) {
1203: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 ! root 1204: if (put_user_u32(addrlen, target_addrlen_addr))
! 1205: ret = -TARGET_EFAULT;
1.1.1.5 root 1206: }
1207: return ret;
1208: }
1209:
1.1.1.6 ! root 1210: /* do_getsockname() Must return target values and target errnos. */
! 1211: static abi_long do_getsockname(int fd, abi_ulong target_addr,
! 1212: abi_ulong target_addrlen_addr)
1.1.1.5 root 1213: {
1.1.1.6 ! root 1214: socklen_t addrlen;
! 1215: void *addr;
! 1216: abi_long ret;
! 1217:
! 1218: if (get_user_u32(addrlen, target_addrlen_addr))
! 1219: return -TARGET_EFAULT;
! 1220:
! 1221: addr = alloca(addrlen);
1.1.1.5 root 1222:
1223: ret = get_errno(getsockname(fd, addr, &addrlen));
1224: if (!is_error(ret)) {
1225: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 ! root 1226: if (put_user_u32(addrlen, target_addrlen_addr))
! 1227: ret = -TARGET_EFAULT;
1.1.1.5 root 1228: }
1229: return ret;
1230: }
1231:
1.1.1.6 ! root 1232: /* do_socketpair() Must return target values and target errnos. */
! 1233: static abi_long do_socketpair(int domain, int type, int protocol,
! 1234: abi_ulong target_tab_addr)
1.1.1.5 root 1235: {
1236: int tab[2];
1.1.1.6 ! root 1237: abi_long ret;
1.1.1.5 root 1238:
1239: ret = get_errno(socketpair(domain, type, protocol, tab));
1240: if (!is_error(ret)) {
1.1.1.6 ! root 1241: if (put_user_s32(tab[0], target_tab_addr)
! 1242: || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
! 1243: ret = -TARGET_EFAULT;
1.1.1.5 root 1244: }
1245: return ret;
1246: }
1247:
1.1.1.6 ! root 1248: /* do_sendto() Must return target values and target errnos. */
! 1249: static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
! 1250: abi_ulong target_addr, socklen_t addrlen)
1.1.1.5 root 1251: {
1252: void *addr;
1253: void *host_msg;
1.1.1.6 ! root 1254: abi_long ret;
1.1.1.5 root 1255:
1.1.1.6 ! root 1256: host_msg = lock_user(VERIFY_READ, msg, len, 1);
! 1257: if (!host_msg)
! 1258: return -TARGET_EFAULT;
1.1.1.5 root 1259: if (target_addr) {
1260: addr = alloca(addrlen);
1261: target_to_host_sockaddr(addr, target_addr, addrlen);
1262: ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1263: } else {
1264: ret = get_errno(send(fd, host_msg, len, flags));
1265: }
1266: unlock_user(host_msg, msg, 0);
1267: return ret;
1268: }
1269:
1.1.1.6 ! root 1270: /* do_recvfrom() Must return target values and target errnos. */
! 1271: static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
! 1272: abi_ulong target_addr,
! 1273: abi_ulong target_addrlen)
1.1.1.5 root 1274: {
1275: socklen_t addrlen;
1276: void *addr;
1277: void *host_msg;
1.1.1.6 ! root 1278: abi_long ret;
1.1.1.5 root 1279:
1.1.1.6 ! root 1280: host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
! 1281: if (!host_msg)
! 1282: return -TARGET_EFAULT;
1.1.1.5 root 1283: if (target_addr) {
1.1.1.6 ! root 1284: if (get_user_u32(addrlen, target_addrlen)) {
! 1285: ret = -TARGET_EFAULT;
! 1286: goto fail;
! 1287: }
1.1.1.5 root 1288: addr = alloca(addrlen);
1289: ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1290: } else {
1291: addr = NULL; /* To keep compiler quiet. */
1292: ret = get_errno(recv(fd, host_msg, len, flags));
1293: }
1294: if (!is_error(ret)) {
1295: if (target_addr) {
1296: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 ! root 1297: if (put_user_u32(addrlen, target_addrlen)) {
! 1298: ret = -TARGET_EFAULT;
! 1299: goto fail;
! 1300: }
1.1.1.5 root 1301: }
1302: unlock_user(host_msg, msg, len);
1303: } else {
1.1.1.6 ! root 1304: fail:
1.1.1.5 root 1305: unlock_user(host_msg, msg, 0);
1306: }
1307: return ret;
1308: }
1309:
1.1.1.6 ! root 1310: #ifdef TARGET_NR_socketcall
! 1311: /* do_socketcall() Must return target values and target errnos. */
! 1312: static abi_long do_socketcall(int num, abi_ulong vptr)
1.1 root 1313: {
1.1.1.6 ! root 1314: abi_long ret;
! 1315: const int n = sizeof(abi_ulong);
1.1 root 1316:
1317: switch(num) {
1318: case SOCKOP_socket:
1319: {
1.1.1.6 ! root 1320: int domain, type, protocol;
! 1321:
! 1322: if (get_user_s32(domain, vptr)
! 1323: || get_user_s32(type, vptr + n)
! 1324: || get_user_s32(protocol, vptr + 2 * n))
! 1325: return -TARGET_EFAULT;
! 1326:
1.1.1.4 root 1327: ret = do_socket(domain, type, protocol);
1.1 root 1328: }
1329: break;
1330: case SOCKOP_bind:
1331: {
1.1.1.6 ! root 1332: int sockfd;
! 1333: abi_ulong target_addr;
! 1334: socklen_t addrlen;
! 1335:
! 1336: if (get_user_s32(sockfd, vptr)
! 1337: || get_user_ual(target_addr, vptr + n)
! 1338: || get_user_u32(addrlen, vptr + 2 * n))
! 1339: return -TARGET_EFAULT;
! 1340:
1.1.1.4 root 1341: ret = do_bind(sockfd, target_addr, addrlen);
1.1 root 1342: }
1343: break;
1344: case SOCKOP_connect:
1345: {
1.1.1.6 ! root 1346: int sockfd;
! 1347: abi_ulong target_addr;
! 1348: socklen_t addrlen;
! 1349:
! 1350: if (get_user_s32(sockfd, vptr)
! 1351: || get_user_ual(target_addr, vptr + n)
! 1352: || get_user_u32(addrlen, vptr + 2 * n))
! 1353: return -TARGET_EFAULT;
! 1354:
1.1.1.4 root 1355: ret = do_connect(sockfd, target_addr, addrlen);
1.1 root 1356: }
1357: break;
1358: case SOCKOP_listen:
1359: {
1.1.1.6 ! root 1360: int sockfd, backlog;
! 1361:
! 1362: if (get_user_s32(sockfd, vptr)
! 1363: || get_user_s32(backlog, vptr + n))
! 1364: return -TARGET_EFAULT;
! 1365:
1.1 root 1366: ret = get_errno(listen(sockfd, backlog));
1367: }
1368: break;
1369: case SOCKOP_accept:
1370: {
1.1.1.6 ! root 1371: int sockfd;
! 1372: abi_ulong target_addr, target_addrlen;
! 1373:
! 1374: if (get_user_s32(sockfd, vptr)
! 1375: || get_user_ual(target_addr, vptr + n)
! 1376: || get_user_u32(target_addrlen, vptr + 2 * n))
! 1377: return -TARGET_EFAULT;
! 1378:
1.1.1.5 root 1379: ret = do_accept(sockfd, target_addr, target_addrlen);
1.1 root 1380: }
1381: break;
1382: case SOCKOP_getsockname:
1383: {
1.1.1.6 ! root 1384: int sockfd;
! 1385: abi_ulong target_addr, target_addrlen;
! 1386:
! 1387: if (get_user_s32(sockfd, vptr)
! 1388: || get_user_ual(target_addr, vptr + n)
! 1389: || get_user_u32(target_addrlen, vptr + 2 * n))
! 1390: return -TARGET_EFAULT;
! 1391:
1.1.1.5 root 1392: ret = do_getsockname(sockfd, target_addr, target_addrlen);
1.1 root 1393: }
1394: break;
1395: case SOCKOP_getpeername:
1396: {
1.1.1.6 ! root 1397: int sockfd;
! 1398: abi_ulong target_addr, target_addrlen;
! 1399:
! 1400: if (get_user_s32(sockfd, vptr)
! 1401: || get_user_ual(target_addr, vptr + n)
! 1402: || get_user_u32(target_addrlen, vptr + 2 * n))
! 1403: return -TARGET_EFAULT;
! 1404:
1.1.1.5 root 1405: ret = do_getpeername(sockfd, target_addr, target_addrlen);
1.1 root 1406: }
1407: break;
1408: case SOCKOP_socketpair:
1409: {
1.1.1.6 ! root 1410: int domain, type, protocol;
! 1411: abi_ulong tab;
! 1412:
! 1413: if (get_user_s32(domain, vptr)
! 1414: || get_user_s32(type, vptr + n)
! 1415: || get_user_s32(protocol, vptr + 2 * n)
! 1416: || get_user_ual(tab, vptr + 3 * n))
! 1417: return -TARGET_EFAULT;
! 1418:
1.1.1.5 root 1419: ret = do_socketpair(domain, type, protocol, tab);
1.1 root 1420: }
1421: break;
1422: case SOCKOP_send:
1423: {
1.1.1.6 ! root 1424: int sockfd;
! 1425: abi_ulong msg;
! 1426: size_t len;
! 1427: int flags;
! 1428:
! 1429: if (get_user_s32(sockfd, vptr)
! 1430: || get_user_ual(msg, vptr + n)
! 1431: || get_user_ual(len, vptr + 2 * n)
! 1432: || get_user_s32(flags, vptr + 3 * n))
! 1433: return -TARGET_EFAULT;
! 1434:
1.1.1.5 root 1435: ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1.1 root 1436: }
1437: break;
1438: case SOCKOP_recv:
1439: {
1.1.1.6 ! root 1440: int sockfd;
! 1441: abi_ulong msg;
! 1442: size_t len;
! 1443: int flags;
! 1444:
! 1445: if (get_user_s32(sockfd, vptr)
! 1446: || get_user_ual(msg, vptr + n)
! 1447: || get_user_ual(len, vptr + 2 * n)
! 1448: || get_user_s32(flags, vptr + 3 * n))
! 1449: return -TARGET_EFAULT;
! 1450:
1.1.1.5 root 1451: ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1.1 root 1452: }
1453: break;
1454: case SOCKOP_sendto:
1455: {
1.1.1.6 ! root 1456: int sockfd;
! 1457: abi_ulong msg;
! 1458: size_t len;
! 1459: int flags;
! 1460: abi_ulong addr;
! 1461: socklen_t addrlen;
! 1462:
! 1463: if (get_user_s32(sockfd, vptr)
! 1464: || get_user_ual(msg, vptr + n)
! 1465: || get_user_ual(len, vptr + 2 * n)
! 1466: || get_user_s32(flags, vptr + 3 * n)
! 1467: || get_user_ual(addr, vptr + 4 * n)
! 1468: || get_user_u32(addrlen, vptr + 5 * n))
! 1469: return -TARGET_EFAULT;
! 1470:
1.1.1.5 root 1471: ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1.1 root 1472: }
1473: break;
1474: case SOCKOP_recvfrom:
1475: {
1.1.1.6 ! root 1476: int sockfd;
! 1477: abi_ulong msg;
! 1478: size_t len;
! 1479: int flags;
! 1480: abi_ulong addr;
! 1481: socklen_t addrlen;
! 1482:
! 1483: if (get_user_s32(sockfd, vptr)
! 1484: || get_user_ual(msg, vptr + n)
! 1485: || get_user_ual(len, vptr + 2 * n)
! 1486: || get_user_s32(flags, vptr + 3 * n)
! 1487: || get_user_ual(addr, vptr + 4 * n)
! 1488: || get_user_u32(addrlen, vptr + 5 * n))
! 1489: return -TARGET_EFAULT;
! 1490:
1.1.1.5 root 1491: ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1.1 root 1492: }
1493: break;
1494: case SOCKOP_shutdown:
1495: {
1.1.1.6 ! root 1496: int sockfd, how;
! 1497:
! 1498: if (get_user_s32(sockfd, vptr)
! 1499: || get_user_s32(how, vptr + n))
! 1500: return -TARGET_EFAULT;
1.1 root 1501:
1502: ret = get_errno(shutdown(sockfd, how));
1503: }
1504: break;
1505: case SOCKOP_sendmsg:
1506: case SOCKOP_recvmsg:
1507: {
1508: int fd;
1.1.1.6 ! root 1509: abi_ulong target_msg;
1.1.1.4 root 1510: int flags;
1.1 root 1511:
1.1.1.6 ! root 1512: if (get_user_s32(fd, vptr)
! 1513: || get_user_ual(target_msg, vptr + n)
! 1514: || get_user_s32(flags, vptr + 2 * n))
! 1515: return -TARGET_EFAULT;
1.1.1.4 root 1516:
1.1.1.6 ! root 1517: ret = do_sendrecvmsg(fd, target_msg, flags,
1.1.1.4 root 1518: (num == SOCKOP_sendmsg));
1.1 root 1519: }
1520: break;
1521: case SOCKOP_setsockopt:
1522: {
1.1.1.6 ! root 1523: int sockfd;
! 1524: int level;
! 1525: int optname;
! 1526: abi_ulong optval;
! 1527: socklen_t optlen;
! 1528:
! 1529: if (get_user_s32(sockfd, vptr)
! 1530: || get_user_s32(level, vptr + n)
! 1531: || get_user_s32(optname, vptr + 2 * n)
! 1532: || get_user_ual(optval, vptr + 3 * n)
! 1533: || get_user_u32(optlen, vptr + 4 * n))
! 1534: return -TARGET_EFAULT;
1.1 root 1535:
1536: ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1537: }
1538: break;
1539: case SOCKOP_getsockopt:
1540: {
1.1.1.6 ! root 1541: int sockfd;
! 1542: int level;
! 1543: int optname;
! 1544: abi_ulong optval;
! 1545: socklen_t optlen;
! 1546:
! 1547: if (get_user_s32(sockfd, vptr)
! 1548: || get_user_s32(level, vptr + n)
! 1549: || get_user_s32(optname, vptr + 2 * n)
! 1550: || get_user_ual(optval, vptr + 3 * n)
! 1551: || get_user_u32(optlen, vptr + 4 * n))
! 1552: return -TARGET_EFAULT;
1.1 root 1553:
1.1.1.6 ! root 1554: ret = do_getsockopt(sockfd, level, optname, optval, optlen);
1.1 root 1555: }
1556: break;
1557: default:
1558: gemu_log("Unsupported socketcall: %d\n", num);
1.1.1.6 ! root 1559: ret = -TARGET_ENOSYS;
1.1 root 1560: break;
1561: }
1562: return ret;
1563: }
1.1.1.6 ! root 1564: #endif
1.1 root 1565:
1.1.1.6 ! root 1566: #ifdef TARGET_NR_ipc
1.1 root 1567: #define N_SHM_REGIONS 32
1568:
1569: static struct shm_region {
1.1.1.6 ! root 1570: abi_ulong start;
! 1571: abi_ulong size;
1.1 root 1572: } shm_regions[N_SHM_REGIONS];
1573:
1.1.1.6 ! root 1574: struct target_ipc_perm
! 1575: {
! 1576: abi_long __key;
! 1577: abi_ulong uid;
! 1578: abi_ulong gid;
! 1579: abi_ulong cuid;
! 1580: abi_ulong cgid;
! 1581: unsigned short int mode;
! 1582: unsigned short int __pad1;
! 1583: unsigned short int __seq;
! 1584: unsigned short int __pad2;
! 1585: abi_ulong __unused1;
! 1586: abi_ulong __unused2;
! 1587: };
! 1588:
! 1589: struct target_semid_ds
! 1590: {
! 1591: struct target_ipc_perm sem_perm;
! 1592: abi_ulong sem_otime;
! 1593: abi_ulong __unused1;
! 1594: abi_ulong sem_ctime;
! 1595: abi_ulong __unused2;
! 1596: abi_ulong sem_nsems;
! 1597: abi_ulong __unused3;
! 1598: abi_ulong __unused4;
! 1599: };
! 1600:
! 1601: static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
! 1602: abi_ulong target_addr)
! 1603: {
! 1604: struct target_ipc_perm *target_ip;
! 1605: struct target_semid_ds *target_sd;
! 1606:
! 1607: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
! 1608: return -TARGET_EFAULT;
! 1609: target_ip=&(target_sd->sem_perm);
! 1610: host_ip->__key = tswapl(target_ip->__key);
! 1611: host_ip->uid = tswapl(target_ip->uid);
! 1612: host_ip->gid = tswapl(target_ip->gid);
! 1613: host_ip->cuid = tswapl(target_ip->cuid);
! 1614: host_ip->cgid = tswapl(target_ip->cgid);
! 1615: host_ip->mode = tswapl(target_ip->mode);
! 1616: unlock_user_struct(target_sd, target_addr, 0);
! 1617: return 0;
! 1618: }
! 1619:
! 1620: static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
! 1621: struct ipc_perm *host_ip)
! 1622: {
! 1623: struct target_ipc_perm *target_ip;
! 1624: struct target_semid_ds *target_sd;
! 1625:
! 1626: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
! 1627: return -TARGET_EFAULT;
! 1628: target_ip = &(target_sd->sem_perm);
! 1629: target_ip->__key = tswapl(host_ip->__key);
! 1630: target_ip->uid = tswapl(host_ip->uid);
! 1631: target_ip->gid = tswapl(host_ip->gid);
! 1632: target_ip->cuid = tswapl(host_ip->cuid);
! 1633: target_ip->cgid = tswapl(host_ip->cgid);
! 1634: target_ip->mode = tswapl(host_ip->mode);
! 1635: unlock_user_struct(target_sd, target_addr, 1);
! 1636: return 0;
! 1637: }
! 1638:
! 1639: static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
! 1640: abi_ulong target_addr)
! 1641: {
! 1642: struct target_semid_ds *target_sd;
! 1643:
! 1644: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
! 1645: return -TARGET_EFAULT;
! 1646: target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
! 1647: host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
! 1648: host_sd->sem_otime = tswapl(target_sd->sem_otime);
! 1649: host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
! 1650: unlock_user_struct(target_sd, target_addr, 0);
! 1651: return 0;
! 1652: }
! 1653:
! 1654: static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
! 1655: struct semid_ds *host_sd)
! 1656: {
! 1657: struct target_semid_ds *target_sd;
! 1658:
! 1659: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
! 1660: return -TARGET_EFAULT;
! 1661: host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
! 1662: target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
! 1663: target_sd->sem_otime = tswapl(host_sd->sem_otime);
! 1664: target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
! 1665: unlock_user_struct(target_sd, target_addr, 1);
! 1666: return 0;
! 1667: }
! 1668:
1.1.1.5 root 1669: union semun {
1670: int val;
1.1.1.6 ! root 1671: struct semid_ds *buf;
1.1.1.5 root 1672: unsigned short *array;
1673: };
1674:
1.1.1.6 ! root 1675: union target_semun {
! 1676: int val;
! 1677: abi_long buf;
! 1678: unsigned short int *array;
! 1679: };
! 1680:
! 1681: static inline abi_long target_to_host_semun(int cmd,
! 1682: union semun *host_su,
! 1683: abi_ulong target_addr,
! 1684: struct semid_ds *ds)
! 1685: {
! 1686: union target_semun *target_su;
! 1687:
! 1688: switch( cmd ) {
! 1689: case IPC_STAT:
! 1690: case IPC_SET:
! 1691: if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
! 1692: return -TARGET_EFAULT;
! 1693: target_to_host_semid_ds(ds,target_su->buf);
! 1694: host_su->buf = ds;
! 1695: unlock_user_struct(target_su, target_addr, 0);
! 1696: break;
! 1697: case GETVAL:
! 1698: case SETVAL:
! 1699: if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
! 1700: return -TARGET_EFAULT;
! 1701: host_su->val = tswapl(target_su->val);
! 1702: unlock_user_struct(target_su, target_addr, 0);
! 1703: break;
! 1704: case GETALL:
! 1705: case SETALL:
! 1706: if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
! 1707: return -TARGET_EFAULT;
! 1708: *host_su->array = tswap16(*target_su->array);
! 1709: unlock_user_struct(target_su, target_addr, 0);
! 1710: break;
! 1711: default:
! 1712: gemu_log("semun operation not fully supported: %d\n", (int)cmd);
! 1713: }
! 1714: return 0;
! 1715: }
! 1716:
! 1717: static inline abi_long host_to_target_semun(int cmd,
! 1718: abi_ulong target_addr,
! 1719: union semun *host_su,
! 1720: struct semid_ds *ds)
! 1721: {
! 1722: union target_semun *target_su;
! 1723:
! 1724: switch( cmd ) {
! 1725: case IPC_STAT:
! 1726: case IPC_SET:
! 1727: if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
! 1728: return -TARGET_EFAULT;
! 1729: host_to_target_semid_ds(target_su->buf,ds);
! 1730: unlock_user_struct(target_su, target_addr, 1);
! 1731: break;
! 1732: case GETVAL:
! 1733: case SETVAL:
! 1734: if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
! 1735: return -TARGET_EFAULT;
! 1736: target_su->val = tswapl(host_su->val);
! 1737: unlock_user_struct(target_su, target_addr, 1);
! 1738: break;
! 1739: case GETALL:
! 1740: case SETALL:
! 1741: if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
! 1742: return -TARGET_EFAULT;
! 1743: *target_su->array = tswap16(*host_su->array);
! 1744: unlock_user_struct(target_su, target_addr, 1);
! 1745: break;
! 1746: default:
! 1747: gemu_log("semun operation not fully supported: %d\n", (int)cmd);
! 1748: }
! 1749: return 0;
! 1750: }
! 1751:
! 1752: static inline abi_long do_semctl(int first, int second, int third,
! 1753: abi_long ptr)
! 1754: {
! 1755: union semun arg;
! 1756: struct semid_ds dsarg;
! 1757: int cmd = third&0xff;
! 1758: abi_long ret = 0;
! 1759:
! 1760: switch( cmd ) {
! 1761: case GETVAL:
! 1762: target_to_host_semun(cmd,&arg,ptr,&dsarg);
! 1763: ret = get_errno(semctl(first, second, cmd, arg));
! 1764: host_to_target_semun(cmd,ptr,&arg,&dsarg);
! 1765: break;
! 1766: case SETVAL:
! 1767: target_to_host_semun(cmd,&arg,ptr,&dsarg);
! 1768: ret = get_errno(semctl(first, second, cmd, arg));
! 1769: host_to_target_semun(cmd,ptr,&arg,&dsarg);
! 1770: break;
! 1771: case GETALL:
! 1772: target_to_host_semun(cmd,&arg,ptr,&dsarg);
! 1773: ret = get_errno(semctl(first, second, cmd, arg));
! 1774: host_to_target_semun(cmd,ptr,&arg,&dsarg);
! 1775: break;
! 1776: case SETALL:
! 1777: target_to_host_semun(cmd,&arg,ptr,&dsarg);
! 1778: ret = get_errno(semctl(first, second, cmd, arg));
! 1779: host_to_target_semun(cmd,ptr,&arg,&dsarg);
! 1780: break;
! 1781: case IPC_STAT:
! 1782: target_to_host_semun(cmd,&arg,ptr,&dsarg);
! 1783: ret = get_errno(semctl(first, second, cmd, arg));
! 1784: host_to_target_semun(cmd,ptr,&arg,&dsarg);
! 1785: break;
! 1786: case IPC_SET:
! 1787: target_to_host_semun(cmd,&arg,ptr,&dsarg);
! 1788: ret = get_errno(semctl(first, second, cmd, arg));
! 1789: host_to_target_semun(cmd,ptr,&arg,&dsarg);
! 1790: break;
! 1791: default:
! 1792: ret = get_errno(semctl(first, second, cmd, arg));
! 1793: }
! 1794:
! 1795: return ret;
! 1796: }
! 1797:
! 1798: struct target_msqid_ds
! 1799: {
! 1800: struct target_ipc_perm msg_perm;
! 1801: abi_ulong msg_stime;
! 1802: abi_ulong __unused1;
! 1803: abi_ulong msg_rtime;
! 1804: abi_ulong __unused2;
! 1805: abi_ulong msg_ctime;
! 1806: abi_ulong __unused3;
! 1807: abi_ulong __msg_cbytes;
! 1808: abi_ulong msg_qnum;
! 1809: abi_ulong msg_qbytes;
! 1810: abi_ulong msg_lspid;
! 1811: abi_ulong msg_lrpid;
! 1812: abi_ulong __unused4;
! 1813: abi_ulong __unused5;
! 1814: };
! 1815:
! 1816: static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
! 1817: abi_ulong target_addr)
! 1818: {
! 1819: struct target_msqid_ds *target_md;
! 1820:
! 1821: if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
! 1822: return -TARGET_EFAULT;
! 1823: target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
! 1824: host_md->msg_stime = tswapl(target_md->msg_stime);
! 1825: host_md->msg_rtime = tswapl(target_md->msg_rtime);
! 1826: host_md->msg_ctime = tswapl(target_md->msg_ctime);
! 1827: host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
! 1828: host_md->msg_qnum = tswapl(target_md->msg_qnum);
! 1829: host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
! 1830: host_md->msg_lspid = tswapl(target_md->msg_lspid);
! 1831: host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
! 1832: unlock_user_struct(target_md, target_addr, 0);
! 1833: return 0;
! 1834: }
! 1835:
! 1836: static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
! 1837: struct msqid_ds *host_md)
! 1838: {
! 1839: struct target_msqid_ds *target_md;
! 1840:
! 1841: if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
! 1842: return -TARGET_EFAULT;
! 1843: host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
! 1844: target_md->msg_stime = tswapl(host_md->msg_stime);
! 1845: target_md->msg_rtime = tswapl(host_md->msg_rtime);
! 1846: target_md->msg_ctime = tswapl(host_md->msg_ctime);
! 1847: target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
! 1848: target_md->msg_qnum = tswapl(host_md->msg_qnum);
! 1849: target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
! 1850: target_md->msg_lspid = tswapl(host_md->msg_lspid);
! 1851: target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
! 1852: unlock_user_struct(target_md, target_addr, 1);
! 1853: return 0;
! 1854: }
! 1855:
! 1856: static inline abi_long do_msgctl(int first, int second, abi_long ptr)
! 1857: {
! 1858: struct msqid_ds dsarg;
! 1859: int cmd = second&0xff;
! 1860: abi_long ret = 0;
! 1861: switch( cmd ) {
! 1862: case IPC_STAT:
! 1863: case IPC_SET:
! 1864: target_to_host_msqid_ds(&dsarg,ptr);
! 1865: ret = get_errno(msgctl(first, cmd, &dsarg));
! 1866: host_to_target_msqid_ds(ptr,&dsarg);
! 1867: default:
! 1868: ret = get_errno(msgctl(first, cmd, &dsarg));
! 1869: }
! 1870: return ret;
! 1871: }
! 1872:
! 1873: struct target_msgbuf {
! 1874: abi_ulong mtype;
! 1875: char mtext[1];
! 1876: };
! 1877:
! 1878: static inline abi_long do_msgsnd(int msqid, abi_long msgp,
! 1879: unsigned int msgsz, int msgflg)
! 1880: {
! 1881: struct target_msgbuf *target_mb;
! 1882: struct msgbuf *host_mb;
! 1883: abi_long ret = 0;
! 1884:
! 1885: if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
! 1886: return -TARGET_EFAULT;
! 1887: host_mb = malloc(msgsz+sizeof(long));
! 1888: host_mb->mtype = tswapl(target_mb->mtype);
! 1889: memcpy(host_mb->mtext,target_mb->mtext,msgsz);
! 1890: ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
! 1891: free(host_mb);
! 1892: unlock_user_struct(target_mb, msgp, 0);
! 1893:
! 1894: return ret;
! 1895: }
! 1896:
! 1897: static inline abi_long do_msgrcv(int msqid, abi_long msgp,
! 1898: unsigned int msgsz, int msgtype,
! 1899: int msgflg)
! 1900: {
! 1901: struct target_msgbuf *target_mb;
! 1902: char *target_mtext;
! 1903: struct msgbuf *host_mb;
! 1904: abi_long ret = 0;
! 1905:
! 1906: if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
! 1907: return -TARGET_EFAULT;
! 1908: host_mb = malloc(msgsz+sizeof(long));
! 1909: ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
! 1910: if (ret > 0) {
! 1911: abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
! 1912: target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
! 1913: if (!target_mtext) {
! 1914: ret = -TARGET_EFAULT;
! 1915: goto end;
! 1916: }
! 1917: memcpy(target_mb->mtext, host_mb->mtext, ret);
! 1918: unlock_user(target_mtext, target_mtext_addr, ret);
! 1919: }
! 1920: target_mb->mtype = tswapl(host_mb->mtype);
! 1921: free(host_mb);
! 1922:
! 1923: end:
! 1924: if (target_mb)
! 1925: unlock_user_struct(target_mb, msgp, 1);
! 1926: return ret;
! 1927: }
! 1928:
1.1.1.3 root 1929: /* ??? This only works with linear mappings. */
1.1.1.6 ! root 1930: /* do_ipc() must return target values and target errnos. */
! 1931: static abi_long do_ipc(unsigned int call, int first,
! 1932: int second, int third,
! 1933: abi_long ptr, abi_long fifth)
1.1 root 1934: {
1935: int version;
1.1.1.6 ! root 1936: abi_long ret = 0;
1.1 root 1937: struct shmid_ds shm_info;
1938: int i;
1939:
1940: version = call >> 16;
1941: call &= 0xffff;
1942:
1943: switch (call) {
1.1.1.5 root 1944: case IPCOP_semop:
1.1.1.6 ! root 1945: ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second));
1.1.1.5 root 1946: break;
1947:
1948: case IPCOP_semget:
1949: ret = get_errno(semget(first, second, third));
1950: break;
1951:
1952: case IPCOP_semctl:
1.1.1.6 ! root 1953: ret = do_semctl(first, second, third, ptr);
1.1.1.5 root 1954: break;
1955:
1956: case IPCOP_semtimedop:
1.1.1.6 ! root 1957: gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
! 1958: ret = -TARGET_ENOSYS;
1.1.1.5 root 1959: break;
1960:
1961: case IPCOP_msgget:
1962: ret = get_errno(msgget(first, second));
1963: break;
1964:
1965: case IPCOP_msgsnd:
1.1.1.6 ! root 1966: ret = do_msgsnd(first, ptr, second, third);
1.1.1.5 root 1967: break;
1968:
1969: case IPCOP_msgctl:
1.1.1.6 ! root 1970: ret = do_msgctl(first, second, ptr);
1.1.1.5 root 1971: break;
1972:
1973: case IPCOP_msgrcv:
1.1.1.6 ! root 1974: {
! 1975: /* XXX: this code is not correct */
! 1976: struct ipc_kludge
! 1977: {
! 1978: void *__unbounded msgp;
! 1979: long int msgtyp;
! 1980: };
1.1.1.5 root 1981:
1.1.1.6 ! root 1982: struct ipc_kludge *foo = (struct ipc_kludge *)g2h(ptr);
! 1983: struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1.1.1.5 root 1984:
1.1.1.6 ! root 1985: ret = do_msgrcv(first, (long)msgp, second, 0, third);
1.1.1.5 root 1986:
1.1.1.6 ! root 1987: }
1.1.1.5 root 1988: break;
1989:
1.1 root 1990: case IPCOP_shmat:
1.1.1.6 ! root 1991: {
! 1992: abi_ulong raddr;
! 1993: void *host_addr;
! 1994: /* SHM_* flags are the same on all linux platforms */
! 1995: host_addr = shmat(first, (void *)g2h(ptr), second);
! 1996: if (host_addr == (void *)-1) {
! 1997: ret = get_errno((long)host_addr);
1.1 root 1998: break;
1.1.1.6 ! root 1999: }
! 2000: raddr = h2g((unsigned long)host_addr);
! 2001: /* find out the length of the shared memory segment */
! 2002:
! 2003: ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
! 2004: if (is_error(ret)) {
! 2005: /* can't get length, bail out */
! 2006: shmdt(host_addr);
! 2007: break;
! 2008: }
! 2009: page_set_flags(raddr, raddr + shm_info.shm_segsz,
! 2010: PAGE_VALID | PAGE_READ |
! 2011: ((second & SHM_RDONLY)? 0: PAGE_WRITE));
! 2012: for (i = 0; i < N_SHM_REGIONS; ++i) {
! 2013: if (shm_regions[i].start == 0) {
! 2014: shm_regions[i].start = raddr;
! 2015: shm_regions[i].size = shm_info.shm_segsz;
! 2016: break;
! 2017: }
! 2018: }
! 2019: if (put_user_ual(raddr, third))
! 2020: return -TARGET_EFAULT;
! 2021: ret = 0;
! 2022: }
1.1 root 2023: break;
2024: case IPCOP_shmdt:
2025: for (i = 0; i < N_SHM_REGIONS; ++i) {
2026: if (shm_regions[i].start == ptr) {
2027: shm_regions[i].start = 0;
2028: page_set_flags(ptr, shm_regions[i].size, 0);
2029: break;
2030: }
2031: }
1.1.1.6 ! root 2032: ret = get_errno(shmdt((void *)g2h(ptr)));
1.1 root 2033: break;
2034:
2035: case IPCOP_shmget:
2036: /* IPC_* flag values are the same on all linux platforms */
2037: ret = get_errno(shmget(first, second, third));
2038: break;
2039:
2040: /* IPC_* and SHM_* command values are the same on all linux platforms */
2041: case IPCOP_shmctl:
2042: switch(second) {
2043: case IPC_RMID:
2044: case SHM_LOCK:
2045: case SHM_UNLOCK:
2046: ret = get_errno(shmctl(first, second, NULL));
2047: break;
2048: default:
2049: goto unimplemented;
2050: }
2051: break;
2052: default:
2053: unimplemented:
1.1.1.6 ! root 2054: gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
! 2055: ret = -TARGET_ENOSYS;
1.1 root 2056: break;
2057: }
2058: return ret;
2059: }
1.1.1.6 ! root 2060: #endif
1.1 root 2061:
2062: /* kernel structure types definitions */
2063: #define IFNAMSIZ 16
2064:
2065: #define STRUCT(name, list...) STRUCT_ ## name,
2066: #define STRUCT_SPECIAL(name) STRUCT_ ## name,
2067: enum {
2068: #include "syscall_types.h"
2069: };
2070: #undef STRUCT
2071: #undef STRUCT_SPECIAL
2072:
2073: #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
2074: #define STRUCT_SPECIAL(name)
2075: #include "syscall_types.h"
2076: #undef STRUCT
2077: #undef STRUCT_SPECIAL
2078:
2079: typedef struct IOCTLEntry {
2080: unsigned int target_cmd;
2081: unsigned int host_cmd;
2082: const char *name;
2083: int access;
2084: const argtype arg_type[5];
2085: } IOCTLEntry;
2086:
2087: #define IOC_R 0x0001
2088: #define IOC_W 0x0002
2089: #define IOC_RW (IOC_R | IOC_W)
2090:
2091: #define MAX_STRUCT_SIZE 4096
2092:
2093: IOCTLEntry ioctl_entries[] = {
2094: #define IOCTL(cmd, access, types...) \
2095: { TARGET_ ## cmd, cmd, #cmd, access, { types } },
2096: #include "ioctls.h"
2097: { 0, 0, },
2098: };
2099:
1.1.1.3 root 2100: /* ??? Implement proper locking for ioctls. */
1.1.1.6 ! root 2101: /* do_ioctl() Must return target values and target errnos. */
! 2102: static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
1.1 root 2103: {
2104: const IOCTLEntry *ie;
2105: const argtype *arg_type;
1.1.1.6 ! root 2106: abi_long ret;
1.1 root 2107: uint8_t buf_temp[MAX_STRUCT_SIZE];
1.1.1.3 root 2108: int target_size;
2109: void *argptr;
1.1 root 2110:
2111: ie = ioctl_entries;
2112: for(;;) {
2113: if (ie->target_cmd == 0) {
1.1.1.6 ! root 2114: gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
! 2115: return -TARGET_ENOSYS;
1.1 root 2116: }
2117: if (ie->target_cmd == cmd)
2118: break;
2119: ie++;
2120: }
2121: arg_type = ie->arg_type;
2122: #if defined(DEBUG)
1.1.1.6 ! root 2123: gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
1.1 root 2124: #endif
2125: switch(arg_type[0]) {
2126: case TYPE_NULL:
2127: /* no argument */
2128: ret = get_errno(ioctl(fd, ie->host_cmd));
2129: break;
2130: case TYPE_PTRVOID:
2131: case TYPE_INT:
2132: /* int argment */
2133: ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2134: break;
2135: case TYPE_PTR:
2136: arg_type++;
1.1.1.3 root 2137: target_size = thunk_type_size(arg_type, 0);
1.1 root 2138: switch(ie->access) {
2139: case IOC_R:
2140: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2141: if (!is_error(ret)) {
1.1.1.6 ! root 2142: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
! 2143: if (!argptr)
! 2144: return -TARGET_EFAULT;
1.1.1.3 root 2145: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2146: unlock_user(argptr, arg, target_size);
1.1 root 2147: }
2148: break;
2149: case IOC_W:
1.1.1.6 ! root 2150: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
! 2151: if (!argptr)
! 2152: return -TARGET_EFAULT;
1.1.1.3 root 2153: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2154: unlock_user(argptr, arg, 0);
1.1 root 2155: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2156: break;
2157: default:
2158: case IOC_RW:
1.1.1.6 ! root 2159: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
! 2160: if (!argptr)
! 2161: return -TARGET_EFAULT;
1.1.1.3 root 2162: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2163: unlock_user(argptr, arg, 0);
1.1 root 2164: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2165: if (!is_error(ret)) {
1.1.1.6 ! root 2166: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
! 2167: if (!argptr)
! 2168: return -TARGET_EFAULT;
1.1.1.3 root 2169: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2170: unlock_user(argptr, arg, target_size);
1.1 root 2171: }
2172: break;
2173: }
2174: break;
2175: default:
1.1.1.6 ! root 2176: gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
! 2177: (long)cmd, arg_type[0]);
! 2178: ret = -TARGET_ENOSYS;
1.1 root 2179: break;
2180: }
2181: return ret;
2182: }
2183:
2184: bitmask_transtbl iflag_tbl[] = {
2185: { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2186: { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2187: { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2188: { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2189: { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2190: { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2191: { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2192: { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2193: { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2194: { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2195: { TARGET_IXON, TARGET_IXON, IXON, IXON },
2196: { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2197: { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2198: { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2199: { 0, 0, 0, 0 }
2200: };
2201:
2202: bitmask_transtbl oflag_tbl[] = {
2203: { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2204: { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2205: { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2206: { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2207: { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2208: { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2209: { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2210: { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2211: { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2212: { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2213: { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2214: { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2215: { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2216: { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2217: { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
2218: { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
2219: { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
2220: { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
2221: { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
2222: { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
2223: { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
2224: { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
2225: { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
2226: { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
2227: { 0, 0, 0, 0 }
2228: };
2229:
2230: bitmask_transtbl cflag_tbl[] = {
2231: { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
2232: { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
2233: { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
2234: { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
2235: { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
2236: { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
2237: { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
2238: { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
2239: { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
2240: { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
2241: { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
2242: { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
2243: { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
2244: { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
2245: { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
2246: { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
2247: { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
2248: { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
2249: { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
2250: { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
2251: { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
2252: { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
2253: { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
2254: { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
2255: { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
2256: { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
2257: { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
2258: { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
2259: { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
2260: { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
2261: { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
2262: { 0, 0, 0, 0 }
2263: };
2264:
2265: bitmask_transtbl lflag_tbl[] = {
2266: { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
2267: { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
2268: { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
2269: { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
2270: { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
2271: { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
2272: { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
2273: { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
2274: { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
2275: { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
2276: { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
2277: { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
2278: { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
2279: { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
2280: { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
2281: { 0, 0, 0, 0 }
2282: };
2283:
2284: static void target_to_host_termios (void *dst, const void *src)
2285: {
2286: struct host_termios *host = dst;
2287: const struct target_termios *target = src;
1.1.1.6 ! root 2288:
! 2289: host->c_iflag =
1.1 root 2290: target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1.1.1.6 ! root 2291: host->c_oflag =
1.1 root 2292: target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1.1.1.6 ! root 2293: host->c_cflag =
1.1 root 2294: target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1.1.1.6 ! root 2295: host->c_lflag =
1.1 root 2296: target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
2297: host->c_line = target->c_line;
1.1.1.6 ! root 2298:
! 2299: host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
! 2300: host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
! 2301: host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
! 2302: host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
! 2303: host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
! 2304: host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
! 2305: host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
! 2306: host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
! 2307: host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
! 2308: host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
! 2309: host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
! 2310: host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
! 2311: host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
! 2312: host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
! 2313: host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
! 2314: host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
! 2315: host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1.1 root 2316: }
1.1.1.6 ! root 2317:
1.1 root 2318: static void host_to_target_termios (void *dst, const void *src)
2319: {
2320: struct target_termios *target = dst;
2321: const struct host_termios *host = src;
2322:
1.1.1.6 ! root 2323: target->c_iflag =
1.1 root 2324: tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1.1.1.6 ! root 2325: target->c_oflag =
1.1 root 2326: tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1.1.1.6 ! root 2327: target->c_cflag =
1.1 root 2328: tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1.1.1.6 ! root 2329: target->c_lflag =
1.1 root 2330: tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
2331: target->c_line = host->c_line;
1.1.1.6 ! root 2332:
1.1 root 2333: target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
2334: target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
2335: target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
2336: target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
2337: target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
2338: target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
2339: target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
2340: target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
2341: target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
2342: target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
2343: target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
2344: target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
2345: target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
2346: target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
2347: target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
2348: target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
2349: target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
2350: }
2351:
2352: StructEntry struct_termios_def = {
2353: .convert = { host_to_target_termios, target_to_host_termios },
2354: .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
2355: .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
2356: };
2357:
2358: static bitmask_transtbl mmap_flags_tbl[] = {
2359: { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
2360: { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
2361: { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
2362: { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
2363: { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
2364: { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
2365: { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
2366: { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
2367: { 0, 0, 0, 0 }
2368: };
2369:
2370: static bitmask_transtbl fcntl_flags_tbl[] = {
2371: { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
2372: { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
2373: { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
2374: { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
2375: { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
2376: { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
2377: { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
2378: { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
2379: { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
2380: { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
2381: { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
2382: { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
2383: { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
2384: #if defined(O_DIRECT)
2385: { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
2386: #endif
2387: { 0, 0, 0, 0 }
2388: };
2389:
2390: #if defined(TARGET_I386)
2391:
2392: /* NOTE: there is really one LDT for all the threads */
2393: uint8_t *ldt_table;
2394:
1.1.1.6 ! root 2395: static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
1.1 root 2396: {
2397: int size;
1.1.1.3 root 2398: void *p;
1.1 root 2399:
2400: if (!ldt_table)
2401: return 0;
2402: size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2403: if (size > bytecount)
2404: size = bytecount;
1.1.1.6 ! root 2405: p = lock_user(VERIFY_WRITE, ptr, size, 0);
! 2406: if (!p)
! 2407: return -TARGET_EFAULT;
! 2408: /* ??? Should this by byteswapped? */
1.1.1.3 root 2409: memcpy(p, ldt_table, size);
2410: unlock_user(p, ptr, size);
1.1 root 2411: return size;
2412: }
2413:
2414: /* XXX: add locking support */
1.1.1.6 ! root 2415: static abi_long write_ldt(CPUX86State *env,
! 2416: abi_ulong ptr, unsigned long bytecount, int oldmode)
1.1 root 2417: {
2418: struct target_modify_ldt_ldt_s ldt_info;
1.1.1.3 root 2419: struct target_modify_ldt_ldt_s *target_ldt_info;
1.1 root 2420: int seg_32bit, contents, read_exec_only, limit_in_pages;
1.1.1.6 ! root 2421: int seg_not_present, useable, lm;
1.1 root 2422: uint32_t *lp, entry_1, entry_2;
2423:
2424: if (bytecount != sizeof(ldt_info))
1.1.1.6 ! root 2425: return -TARGET_EINVAL;
! 2426: if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
! 2427: return -TARGET_EFAULT;
1.1.1.3 root 2428: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2429: ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2430: ldt_info.limit = tswap32(target_ldt_info->limit);
2431: ldt_info.flags = tswap32(target_ldt_info->flags);
2432: unlock_user_struct(target_ldt_info, ptr, 0);
1.1.1.6 ! root 2433:
1.1 root 2434: if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1.1.1.6 ! root 2435: return -TARGET_EINVAL;
1.1 root 2436: seg_32bit = ldt_info.flags & 1;
2437: contents = (ldt_info.flags >> 1) & 3;
2438: read_exec_only = (ldt_info.flags >> 3) & 1;
2439: limit_in_pages = (ldt_info.flags >> 4) & 1;
2440: seg_not_present = (ldt_info.flags >> 5) & 1;
2441: useable = (ldt_info.flags >> 6) & 1;
1.1.1.6 ! root 2442: #ifdef TARGET_ABI32
! 2443: lm = 0;
! 2444: #else
! 2445: lm = (ldt_info.flags >> 7) & 1;
! 2446: #endif
1.1 root 2447: if (contents == 3) {
2448: if (oldmode)
1.1.1.6 ! root 2449: return -TARGET_EINVAL;
1.1 root 2450: if (seg_not_present == 0)
1.1.1.6 ! root 2451: return -TARGET_EINVAL;
1.1 root 2452: }
2453: /* allocate the LDT */
2454: if (!ldt_table) {
2455: ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2456: if (!ldt_table)
1.1.1.6 ! root 2457: return -TARGET_ENOMEM;
1.1 root 2458: memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1.1.1.6 ! root 2459: env->ldt.base = h2g((unsigned long)ldt_table);
1.1 root 2460: env->ldt.limit = 0xffff;
2461: }
2462:
2463: /* NOTE: same code as Linux kernel */
2464: /* Allow LDTs to be cleared by the user. */
2465: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2466: if (oldmode ||
2467: (contents == 0 &&
2468: read_exec_only == 1 &&
2469: seg_32bit == 0 &&
2470: limit_in_pages == 0 &&
2471: seg_not_present == 1 &&
2472: useable == 0 )) {
2473: entry_1 = 0;
2474: entry_2 = 0;
2475: goto install;
2476: }
2477: }
1.1.1.6 ! root 2478:
1.1 root 2479: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2480: (ldt_info.limit & 0x0ffff);
2481: entry_2 = (ldt_info.base_addr & 0xff000000) |
2482: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2483: (ldt_info.limit & 0xf0000) |
2484: ((read_exec_only ^ 1) << 9) |
2485: (contents << 10) |
2486: ((seg_not_present ^ 1) << 15) |
2487: (seg_32bit << 22) |
2488: (limit_in_pages << 23) |
1.1.1.6 ! root 2489: (lm << 21) |
1.1 root 2490: 0x7000;
2491: if (!oldmode)
2492: entry_2 |= (useable << 20);
2493:
2494: /* Install the new entry ... */
2495: install:
2496: lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2497: lp[0] = tswap32(entry_1);
2498: lp[1] = tswap32(entry_2);
2499: return 0;
2500: }
2501:
2502: /* specific and weird i386 syscalls */
1.1.1.6 ! root 2503: abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
! 2504: unsigned long bytecount)
1.1 root 2505: {
1.1.1.6 ! root 2506: abi_long ret;
! 2507:
1.1 root 2508: switch (func) {
2509: case 0:
2510: ret = read_ldt(ptr, bytecount);
2511: break;
2512: case 1:
2513: ret = write_ldt(env, ptr, bytecount, 1);
2514: break;
2515: case 0x11:
2516: ret = write_ldt(env, ptr, bytecount, 0);
2517: break;
1.1.1.6 ! root 2518: default:
! 2519: ret = -TARGET_ENOSYS;
! 2520: break;
1.1 root 2521: }
2522: return ret;
2523: }
2524:
1.1.1.6 ! root 2525: abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
! 2526: {
! 2527: uint64_t *gdt_table = g2h(env->gdt.base);
! 2528: struct target_modify_ldt_ldt_s ldt_info;
! 2529: struct target_modify_ldt_ldt_s *target_ldt_info;
! 2530: int seg_32bit, contents, read_exec_only, limit_in_pages;
! 2531: int seg_not_present, useable, lm;
! 2532: uint32_t *lp, entry_1, entry_2;
! 2533: int i;
! 2534:
! 2535: lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
! 2536: if (!target_ldt_info)
! 2537: return -TARGET_EFAULT;
! 2538: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
! 2539: ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
! 2540: ldt_info.limit = tswap32(target_ldt_info->limit);
! 2541: ldt_info.flags = tswap32(target_ldt_info->flags);
! 2542: if (ldt_info.entry_number == -1) {
! 2543: for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
! 2544: if (gdt_table[i] == 0) {
! 2545: ldt_info.entry_number = i;
! 2546: target_ldt_info->entry_number = tswap32(i);
! 2547: break;
! 2548: }
! 2549: }
! 2550: }
! 2551: unlock_user_struct(target_ldt_info, ptr, 1);
! 2552:
! 2553: if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
! 2554: ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
! 2555: return -TARGET_EINVAL;
! 2556: seg_32bit = ldt_info.flags & 1;
! 2557: contents = (ldt_info.flags >> 1) & 3;
! 2558: read_exec_only = (ldt_info.flags >> 3) & 1;
! 2559: limit_in_pages = (ldt_info.flags >> 4) & 1;
! 2560: seg_not_present = (ldt_info.flags >> 5) & 1;
! 2561: useable = (ldt_info.flags >> 6) & 1;
! 2562: #ifdef TARGET_ABI32
! 2563: lm = 0;
! 2564: #else
! 2565: lm = (ldt_info.flags >> 7) & 1;
! 2566: #endif
! 2567:
! 2568: if (contents == 3) {
! 2569: if (seg_not_present == 0)
! 2570: return -TARGET_EINVAL;
! 2571: }
! 2572:
! 2573: /* NOTE: same code as Linux kernel */
! 2574: /* Allow LDTs to be cleared by the user. */
! 2575: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
! 2576: if ((contents == 0 &&
! 2577: read_exec_only == 1 &&
! 2578: seg_32bit == 0 &&
! 2579: limit_in_pages == 0 &&
! 2580: seg_not_present == 1 &&
! 2581: useable == 0 )) {
! 2582: entry_1 = 0;
! 2583: entry_2 = 0;
! 2584: goto install;
! 2585: }
! 2586: }
! 2587:
! 2588: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
! 2589: (ldt_info.limit & 0x0ffff);
! 2590: entry_2 = (ldt_info.base_addr & 0xff000000) |
! 2591: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
! 2592: (ldt_info.limit & 0xf0000) |
! 2593: ((read_exec_only ^ 1) << 9) |
! 2594: (contents << 10) |
! 2595: ((seg_not_present ^ 1) << 15) |
! 2596: (seg_32bit << 22) |
! 2597: (limit_in_pages << 23) |
! 2598: (useable << 20) |
! 2599: (lm << 21) |
! 2600: 0x7000;
! 2601:
! 2602: /* Install the new entry ... */
! 2603: install:
! 2604: lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
! 2605: lp[0] = tswap32(entry_1);
! 2606: lp[1] = tswap32(entry_2);
! 2607: return 0;
! 2608: }
! 2609:
! 2610: abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
! 2611: {
! 2612: struct target_modify_ldt_ldt_s *target_ldt_info;
! 2613: uint64_t *gdt_table = g2h(env->gdt.base);
! 2614: uint32_t base_addr, limit, flags;
! 2615: int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
! 2616: int seg_not_present, useable, lm;
! 2617: uint32_t *lp, entry_1, entry_2;
! 2618:
! 2619: lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
! 2620: if (!target_ldt_info)
! 2621: return -TARGET_EFAULT;
! 2622: idx = tswap32(target_ldt_info->entry_number);
! 2623: if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
! 2624: idx > TARGET_GDT_ENTRY_TLS_MAX) {
! 2625: unlock_user_struct(target_ldt_info, ptr, 1);
! 2626: return -TARGET_EINVAL;
! 2627: }
! 2628: lp = (uint32_t *)(gdt_table + idx);
! 2629: entry_1 = tswap32(lp[0]);
! 2630: entry_2 = tswap32(lp[1]);
! 2631:
! 2632: read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
! 2633: contents = (entry_2 >> 10) & 3;
! 2634: seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
! 2635: seg_32bit = (entry_2 >> 22) & 1;
! 2636: limit_in_pages = (entry_2 >> 23) & 1;
! 2637: useable = (entry_2 >> 20) & 1;
! 2638: #ifdef TARGET_ABI32
! 2639: lm = 0;
! 2640: #else
! 2641: lm = (entry_2 >> 21) & 1;
! 2642: #endif
! 2643: flags = (seg_32bit << 0) | (contents << 1) |
! 2644: (read_exec_only << 3) | (limit_in_pages << 4) |
! 2645: (seg_not_present << 5) | (useable << 6) | (lm << 7);
! 2646: limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
! 2647: base_addr = (entry_1 >> 16) |
! 2648: (entry_2 & 0xff000000) |
! 2649: ((entry_2 & 0xff) << 16);
! 2650: target_ldt_info->base_addr = tswapl(base_addr);
! 2651: target_ldt_info->limit = tswap32(limit);
! 2652: target_ldt_info->flags = tswap32(flags);
! 2653: unlock_user_struct(target_ldt_info, ptr, 1);
! 2654: return 0;
! 2655: }
! 2656:
! 2657: #ifndef TARGET_ABI32
! 2658: abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
! 2659: {
! 2660: abi_long ret;
! 2661: abi_ulong val;
! 2662: int idx;
! 2663:
! 2664: switch(code) {
! 2665: case TARGET_ARCH_SET_GS:
! 2666: case TARGET_ARCH_SET_FS:
! 2667: if (code == TARGET_ARCH_SET_GS)
! 2668: idx = R_GS;
! 2669: else
! 2670: idx = R_FS;
! 2671: cpu_x86_load_seg(env, idx, 0);
! 2672: env->segs[idx].base = addr;
! 2673: break;
! 2674: case TARGET_ARCH_GET_GS:
! 2675: case TARGET_ARCH_GET_FS:
! 2676: if (code == TARGET_ARCH_GET_GS)
! 2677: idx = R_GS;
! 2678: else
! 2679: idx = R_FS;
! 2680: val = env->segs[idx].base;
! 2681: if (put_user(val, addr, abi_ulong))
! 2682: return -TARGET_EFAULT;
! 2683: break;
! 2684: default:
! 2685: ret = -TARGET_EINVAL;
! 2686: break;
! 2687: }
! 2688: return 0;
! 2689: }
! 2690: #endif
! 2691:
1.1 root 2692: #endif /* defined(TARGET_I386) */
2693:
2694: /* this stack is the equivalent of the kernel stack associated with a
2695: thread/process */
2696: #define NEW_STACK_SIZE 8192
2697:
2698: static int clone_func(void *arg)
2699: {
2700: CPUState *env = arg;
2701: cpu_loop(env);
2702: /* never exits */
2703: return 0;
2704: }
2705:
1.1.1.6 ! root 2706: /* do_fork() Must return host values and target errnos (unlike most
! 2707: do_*() functions). */
! 2708: int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp)
1.1 root 2709: {
2710: int ret;
2711: TaskState *ts;
2712: uint8_t *new_stack;
2713: CPUState *new_env;
1.1.1.6 ! root 2714:
1.1 root 2715: if (flags & CLONE_VM) {
2716: ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2717: memset(ts, 0, sizeof(TaskState));
2718: new_stack = ts->stack;
2719: ts->used = 1;
2720: /* add in task state list */
2721: ts->next = first_task_state;
2722: first_task_state = ts;
2723: /* we create a new CPU instance. */
1.1.1.6 ! root 2724: new_env = cpu_copy(env);
1.1 root 2725: #if defined(TARGET_I386)
2726: if (!newsp)
2727: newsp = env->regs[R_ESP];
2728: new_env->regs[R_ESP] = newsp;
2729: new_env->regs[R_EAX] = 0;
2730: #elif defined(TARGET_ARM)
2731: if (!newsp)
2732: newsp = env->regs[13];
2733: new_env->regs[13] = newsp;
2734: new_env->regs[0] = 0;
2735: #elif defined(TARGET_SPARC)
1.1.1.4 root 2736: if (!newsp)
2737: newsp = env->regwptr[22];
2738: new_env->regwptr[22] = newsp;
2739: new_env->regwptr[0] = 0;
2740: /* XXXXX */
1.1 root 2741: printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1.1.1.5 root 2742: #elif defined(TARGET_M68K)
2743: if (!newsp)
2744: newsp = env->aregs[7];
2745: new_env->aregs[7] = newsp;
2746: new_env->dregs[0] = 0;
2747: /* ??? is this sufficient? */
1.1.1.2 root 2748: #elif defined(TARGET_MIPS)
1.1.1.6 ! root 2749: if (!newsp)
! 2750: newsp = env->gpr[29][env->current_tc];
! 2751: new_env->gpr[29][env->current_tc] = newsp;
1.1 root 2752: #elif defined(TARGET_PPC)
2753: if (!newsp)
2754: newsp = env->gpr[1];
2755: new_env->gpr[1] = newsp;
1.1.1.6 ! root 2756: {
1.1 root 2757: int i;
2758: for (i = 7; i < 32; i++)
2759: new_env->gpr[i] = 0;
2760: }
1.1.1.3 root 2761: #elif defined(TARGET_SH4)
2762: if (!newsp)
2763: newsp = env->gregs[15];
2764: new_env->gregs[15] = newsp;
2765: /* XXXXX */
1.1.1.6 ! root 2766: #elif defined(TARGET_ALPHA)
! 2767: if (!newsp)
! 2768: newsp = env->ir[30];
! 2769: new_env->ir[30] = newsp;
! 2770: /* ? */
! 2771: {
! 2772: int i;
! 2773: for (i = 7; i < 30; i++)
! 2774: new_env->ir[i] = 0;
! 2775: }
! 2776: #elif defined(TARGET_CRIS)
! 2777: if (!newsp)
! 2778: newsp = env->regs[14];
! 2779: new_env->regs[14] = newsp;
1.1 root 2780: #else
2781: #error unsupported target CPU
2782: #endif
2783: new_env->opaque = ts;
2784: #ifdef __ia64__
1.1.1.3 root 2785: ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1.1 root 2786: #else
2787: ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2788: #endif
2789: } else {
2790: /* if no CLONE_VM, we consider it is a fork */
2791: if ((flags & ~CSIGNAL) != 0)
2792: return -EINVAL;
2793: ret = fork();
2794: }
2795: return ret;
2796: }
2797:
1.1.1.6 ! root 2798: static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
1.1 root 2799: {
2800: struct flock fl;
1.1.1.3 root 2801: struct target_flock *target_fl;
1.1.1.5 root 2802: struct flock64 fl64;
2803: struct target_flock64 *target_fl64;
1.1.1.6 ! root 2804: abi_long ret;
1.1.1.3 root 2805:
1.1 root 2806: switch(cmd) {
2807: case TARGET_F_GETLK:
1.1.1.6 ! root 2808: if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
! 2809: return -TARGET_EFAULT;
! 2810: fl.l_type = tswap16(target_fl->l_type);
! 2811: fl.l_whence = tswap16(target_fl->l_whence);
! 2812: fl.l_start = tswapl(target_fl->l_start);
! 2813: fl.l_len = tswapl(target_fl->l_len);
! 2814: fl.l_pid = tswapl(target_fl->l_pid);
! 2815: unlock_user_struct(target_fl, arg, 0);
! 2816: ret = get_errno(fcntl(fd, cmd, &fl));
1.1 root 2817: if (ret == 0) {
1.1.1.6 ! root 2818: if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
! 2819: return -TARGET_EFAULT;
1.1 root 2820: target_fl->l_type = tswap16(fl.l_type);
2821: target_fl->l_whence = tswap16(fl.l_whence);
2822: target_fl->l_start = tswapl(fl.l_start);
2823: target_fl->l_len = tswapl(fl.l_len);
2824: target_fl->l_pid = tswapl(fl.l_pid);
1.1.1.3 root 2825: unlock_user_struct(target_fl, arg, 1);
1.1 root 2826: }
2827: break;
1.1.1.6 ! root 2828:
1.1 root 2829: case TARGET_F_SETLK:
2830: case TARGET_F_SETLKW:
1.1.1.6 ! root 2831: if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
! 2832: return -TARGET_EFAULT;
1.1 root 2833: fl.l_type = tswap16(target_fl->l_type);
2834: fl.l_whence = tswap16(target_fl->l_whence);
2835: fl.l_start = tswapl(target_fl->l_start);
2836: fl.l_len = tswapl(target_fl->l_len);
2837: fl.l_pid = tswapl(target_fl->l_pid);
1.1.1.3 root 2838: unlock_user_struct(target_fl, arg, 0);
1.1.1.6 ! root 2839: ret = get_errno(fcntl(fd, cmd, &fl));
1.1 root 2840: break;
1.1.1.6 ! root 2841:
1.1 root 2842: case TARGET_F_GETLK64:
1.1.1.6 ! root 2843: if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
! 2844: return -TARGET_EFAULT;
! 2845: fl64.l_type = tswap16(target_fl64->l_type) >> 1;
! 2846: fl64.l_whence = tswap16(target_fl64->l_whence);
! 2847: fl64.l_start = tswapl(target_fl64->l_start);
! 2848: fl64.l_len = tswapl(target_fl64->l_len);
! 2849: fl64.l_pid = tswap16(target_fl64->l_pid);
! 2850: unlock_user_struct(target_fl64, arg, 0);
! 2851: ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
1.1.1.5 root 2852: if (ret == 0) {
1.1.1.6 ! root 2853: if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
! 2854: return -TARGET_EFAULT;
1.1.1.5 root 2855: target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2856: target_fl64->l_whence = tswap16(fl64.l_whence);
2857: target_fl64->l_start = tswapl(fl64.l_start);
2858: target_fl64->l_len = tswapl(fl64.l_len);
2859: target_fl64->l_pid = tswapl(fl64.l_pid);
2860: unlock_user_struct(target_fl64, arg, 1);
2861: }
1.1.1.6 ! root 2862: break;
1.1 root 2863: case TARGET_F_SETLK64:
2864: case TARGET_F_SETLKW64:
1.1.1.6 ! root 2865: if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
! 2866: return -TARGET_EFAULT;
1.1.1.5 root 2867: fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2868: fl64.l_whence = tswap16(target_fl64->l_whence);
2869: fl64.l_start = tswapl(target_fl64->l_start);
2870: fl64.l_len = tswapl(target_fl64->l_len);
2871: fl64.l_pid = tswap16(target_fl64->l_pid);
2872: unlock_user_struct(target_fl64, arg, 0);
1.1.1.6 ! root 2873: ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
1.1 root 2874: break;
2875:
2876: case F_GETFL:
1.1.1.6 ! root 2877: ret = get_errno(fcntl(fd, cmd, arg));
! 2878: if (ret >= 0) {
! 2879: ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
! 2880: }
1.1 root 2881: break;
2882:
2883: case F_SETFL:
1.1.1.6 ! root 2884: ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
1.1 root 2885: break;
2886:
2887: default:
1.1.1.6 ! root 2888: ret = get_errno(fcntl(fd, cmd, arg));
1.1 root 2889: break;
2890: }
2891: return ret;
2892: }
2893:
2894: #ifdef USE_UID16
2895:
2896: static inline int high2lowuid(int uid)
2897: {
2898: if (uid > 65535)
2899: return 65534;
2900: else
2901: return uid;
2902: }
2903:
2904: static inline int high2lowgid(int gid)
2905: {
2906: if (gid > 65535)
2907: return 65534;
2908: else
2909: return gid;
2910: }
2911:
2912: static inline int low2highuid(int uid)
2913: {
2914: if ((int16_t)uid == -1)
2915: return -1;
2916: else
2917: return uid;
2918: }
2919:
2920: static inline int low2highgid(int gid)
2921: {
2922: if ((int16_t)gid == -1)
2923: return -1;
2924: else
2925: return gid;
2926: }
2927:
2928: #endif /* USE_UID16 */
2929:
2930: void syscall_init(void)
2931: {
2932: IOCTLEntry *ie;
2933: const argtype *arg_type;
2934: int size;
1.1.1.6 ! root 2935: int i;
1.1 root 2936:
1.1.1.6 ! root 2937: #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
! 2938: #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1.1 root 2939: #include "syscall_types.h"
2940: #undef STRUCT
2941: #undef STRUCT_SPECIAL
2942:
2943: /* we patch the ioctl size if necessary. We rely on the fact that
2944: no ioctl has all the bits at '1' in the size field */
2945: ie = ioctl_entries;
2946: while (ie->target_cmd != 0) {
2947: if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2948: TARGET_IOC_SIZEMASK) {
2949: arg_type = ie->arg_type;
2950: if (arg_type[0] != TYPE_PTR) {
1.1.1.6 ! root 2951: fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1.1 root 2952: ie->target_cmd);
2953: exit(1);
2954: }
2955: arg_type++;
2956: size = thunk_type_size(arg_type, 0);
1.1.1.6 ! root 2957: ie->target_cmd = (ie->target_cmd &
1.1 root 2958: ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2959: (size << TARGET_IOC_SIZESHIFT);
2960: }
1.1.1.6 ! root 2961:
! 2962: /* Build target_to_host_errno_table[] table from
! 2963: * host_to_target_errno_table[]. */
! 2964: for (i=0; i < ERRNO_TABLE_SIZE; i++)
! 2965: target_to_host_errno_table[host_to_target_errno_table[i]] = i;
! 2966:
1.1 root 2967: /* automatic consistency check if same arch */
1.1.1.6 ! root 2968: #if defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)
1.1 root 2969: if (ie->target_cmd != ie->host_cmd) {
1.1.1.6 ! root 2970: fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1.1 root 2971: ie->target_cmd, ie->host_cmd);
2972: }
2973: #endif
2974: ie++;
2975: }
2976: }
2977:
1.1.1.6 ! root 2978: #if TARGET_ABI_BITS == 32
1.1.1.3 root 2979: static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2980: {
2981: #ifdef TARGET_WORDS_BIG_ENDIAN
2982: return ((uint64_t)word0 << 32) | word1;
2983: #else
2984: return ((uint64_t)word1 << 32) | word0;
2985: #endif
2986: }
1.1.1.6 ! root 2987: #else /* TARGET_ABI_BITS == 32 */
! 2988: static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
! 2989: {
! 2990: return word0;
! 2991: }
! 2992: #endif /* TARGET_ABI_BITS != 32 */
1.1.1.3 root 2993:
2994: #ifdef TARGET_NR_truncate64
1.1.1.6 ! root 2995: static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
! 2996: abi_long arg2,
! 2997: abi_long arg3,
! 2998: abi_long arg4)
1.1.1.3 root 2999: {
3000: #ifdef TARGET_ARM
3001: if (((CPUARMState *)cpu_env)->eabi)
3002: {
3003: arg2 = arg3;
3004: arg3 = arg4;
3005: }
3006: #endif
3007: return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3008: }
3009: #endif
3010:
3011: #ifdef TARGET_NR_ftruncate64
1.1.1.6 ! root 3012: static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
! 3013: abi_long arg2,
! 3014: abi_long arg3,
! 3015: abi_long arg4)
1.1.1.3 root 3016: {
3017: #ifdef TARGET_ARM
3018: if (((CPUARMState *)cpu_env)->eabi)
3019: {
3020: arg2 = arg3;
3021: arg3 = arg4;
3022: }
3023: #endif
3024: return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3025: }
3026: #endif
3027:
1.1.1.6 ! root 3028: static inline abi_long target_to_host_timespec(struct timespec *host_ts,
! 3029: abi_ulong target_addr)
1.1.1.3 root 3030: {
3031: struct target_timespec *target_ts;
3032:
1.1.1.6 ! root 3033: if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
! 3034: return -TARGET_EFAULT;
1.1.1.3 root 3035: host_ts->tv_sec = tswapl(target_ts->tv_sec);
3036: host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3037: unlock_user_struct(target_ts, target_addr, 0);
3038: }
3039:
1.1.1.6 ! root 3040: static inline abi_long host_to_target_timespec(abi_ulong target_addr,
! 3041: struct timespec *host_ts)
1.1.1.3 root 3042: {
3043: struct target_timespec *target_ts;
3044:
1.1.1.6 ! root 3045: if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
! 3046: return -TARGET_EFAULT;
1.1.1.3 root 3047: target_ts->tv_sec = tswapl(host_ts->tv_sec);
3048: target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3049: unlock_user_struct(target_ts, target_addr, 1);
3050: }
3051:
1.1.1.6 ! root 3052: /* do_syscall() should always have a single exit point at the end so
! 3053: that actions, such as logging of syscall results, can be performed.
! 3054: All errnos that do_syscall() returns must be -TARGET_<errcode>. */
! 3055: abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
! 3056: abi_long arg2, abi_long arg3, abi_long arg4,
! 3057: abi_long arg5, abi_long arg6)
1.1 root 3058: {
1.1.1.6 ! root 3059: abi_long ret;
1.1 root 3060: struct stat st;
1.1.1.2 root 3061: struct statfs stfs;
1.1.1.3 root 3062: void *p;
1.1.1.6 ! root 3063:
1.1 root 3064: #ifdef DEBUG
3065: gemu_log("syscall %d", num);
3066: #endif
1.1.1.6 ! root 3067: if(do_strace)
! 3068: print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
! 3069:
1.1 root 3070: switch(num) {
3071: case TARGET_NR_exit:
3072: #ifdef HAVE_GPROF
3073: _mcleanup();
3074: #endif
3075: gdb_exit(cpu_env, arg1);
3076: /* XXX: should free thread stack and CPU env */
3077: _exit(arg1);
3078: ret = 0; /* avoid warning */
3079: break;
3080: case TARGET_NR_read:
1.1.1.6 ! root 3081: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
! 3082: goto efault;
1.1.1.3 root 3083: ret = get_errno(read(arg1, p, arg3));
3084: unlock_user(p, arg2, ret);
1.1 root 3085: break;
3086: case TARGET_NR_write:
1.1.1.6 ! root 3087: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
! 3088: goto efault;
1.1.1.3 root 3089: ret = get_errno(write(arg1, p, arg3));
3090: unlock_user(p, arg2, 0);
1.1 root 3091: break;
3092: case TARGET_NR_open:
1.1.1.6 ! root 3093: if (!(p = lock_user_string(arg1)))
! 3094: goto efault;
1.1.1.3 root 3095: ret = get_errno(open(path(p),
1.1 root 3096: target_to_host_bitmask(arg2, fcntl_flags_tbl),
3097: arg3));
1.1.1.3 root 3098: unlock_user(p, arg1, 0);
1.1 root 3099: break;
1.1.1.6 ! root 3100: #if defined(TARGET_NR_openat) && defined(__NR_openat)
! 3101: case TARGET_NR_openat:
! 3102: if (!(p = lock_user_string(arg2)))
! 3103: goto efault;
! 3104: ret = get_errno(sys_openat(arg1,
! 3105: path(p),
! 3106: target_to_host_bitmask(arg3, fcntl_flags_tbl),
! 3107: arg4));
! 3108: unlock_user(p, arg2, 0);
! 3109: break;
! 3110: #endif
1.1 root 3111: case TARGET_NR_close:
3112: ret = get_errno(close(arg1));
3113: break;
3114: case TARGET_NR_brk:
1.1.1.3 root 3115: ret = do_brk(arg1);
1.1 root 3116: break;
3117: case TARGET_NR_fork:
3118: ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
3119: break;
1.1.1.6 ! root 3120: #ifdef TARGET_NR_waitpid
1.1 root 3121: case TARGET_NR_waitpid:
3122: {
1.1.1.3 root 3123: int status;
3124: ret = get_errno(waitpid(arg1, &status, arg3));
1.1.1.6 ! root 3125: if (!is_error(ret) && arg2
! 3126: && put_user_s32(status, arg2))
! 3127: goto efault;
1.1 root 3128: }
3129: break;
1.1.1.6 ! root 3130: #endif
! 3131: #ifdef TARGET_NR_creat /* not on alpha */
1.1 root 3132: case TARGET_NR_creat:
1.1.1.6 ! root 3133: if (!(p = lock_user_string(arg1)))
! 3134: goto efault;
1.1.1.3 root 3135: ret = get_errno(creat(p, arg2));
3136: unlock_user(p, arg1, 0);
1.1 root 3137: break;
1.1.1.6 ! root 3138: #endif
1.1 root 3139: case TARGET_NR_link:
1.1.1.3 root 3140: {
3141: void * p2;
3142: p = lock_user_string(arg1);
3143: p2 = lock_user_string(arg2);
1.1.1.6 ! root 3144: if (!p || !p2)
! 3145: ret = -TARGET_EFAULT;
! 3146: else
! 3147: ret = get_errno(link(p, p2));
1.1.1.3 root 3148: unlock_user(p2, arg2, 0);
3149: unlock_user(p, arg1, 0);
3150: }
1.1 root 3151: break;
1.1.1.6 ! root 3152: #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
! 3153: case TARGET_NR_linkat:
! 3154: {
! 3155: void * p2 = NULL;
! 3156: if (!arg2 || !arg4)
! 3157: goto efault;
! 3158: p = lock_user_string(arg2);
! 3159: p2 = lock_user_string(arg4);
! 3160: if (!p || !p2)
! 3161: ret = -TARGET_EFAULT;
! 3162: else
! 3163: ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
! 3164: unlock_user(p, arg2, 0);
! 3165: unlock_user(p2, arg4, 0);
! 3166: }
! 3167: break;
! 3168: #endif
1.1 root 3169: case TARGET_NR_unlink:
1.1.1.6 ! root 3170: if (!(p = lock_user_string(arg1)))
! 3171: goto efault;
1.1.1.3 root 3172: ret = get_errno(unlink(p));
3173: unlock_user(p, arg1, 0);
1.1 root 3174: break;
1.1.1.6 ! root 3175: #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
! 3176: case TARGET_NR_unlinkat:
! 3177: if (!(p = lock_user_string(arg2)))
! 3178: goto efault;
! 3179: ret = get_errno(sys_unlinkat(arg1, p, arg3));
! 3180: unlock_user(p, arg2, 0);
! 3181: break;
! 3182: #endif
1.1 root 3183: case TARGET_NR_execve:
3184: {
3185: char **argp, **envp;
3186: int argc, envc;
1.1.1.6 ! root 3187: abi_ulong gp;
! 3188: abi_ulong guest_argp;
! 3189: abi_ulong guest_envp;
! 3190: abi_ulong addr;
1.1 root 3191: char **q;
3192:
3193: argc = 0;
1.1.1.3 root 3194: guest_argp = arg2;
1.1.1.6 ! root 3195: for (gp = guest_argp; ; gp += sizeof(abi_ulong)) {
! 3196: if (get_user_ual(addr, gp))
! 3197: goto efault;
! 3198: if (!addr)
! 3199: break;
1.1 root 3200: argc++;
1.1.1.6 ! root 3201: }
1.1 root 3202: envc = 0;
1.1.1.3 root 3203: guest_envp = arg3;
1.1.1.6 ! root 3204: for (gp = guest_envp; ; gp += sizeof(abi_ulong)) {
! 3205: if (get_user_ual(addr, gp))
! 3206: goto efault;
! 3207: if (!addr)
! 3208: break;
1.1 root 3209: envc++;
1.1.1.6 ! root 3210: }
1.1 root 3211:
3212: argp = alloca((argc + 1) * sizeof(void *));
3213: envp = alloca((envc + 1) * sizeof(void *));
3214:
1.1.1.3 root 3215: for (gp = guest_argp, q = argp; ;
1.1.1.6 ! root 3216: gp += sizeof(abi_ulong), q++) {
! 3217: if (get_user_ual(addr, gp))
! 3218: goto execve_efault;
1.1.1.3 root 3219: if (!addr)
3220: break;
1.1.1.6 ! root 3221: if (!(*q = lock_user_string(addr)))
! 3222: goto execve_efault;
1.1.1.3 root 3223: }
1.1 root 3224: *q = NULL;
3225:
1.1.1.3 root 3226: for (gp = guest_envp, q = envp; ;
1.1.1.6 ! root 3227: gp += sizeof(abi_ulong), q++) {
! 3228: if (get_user_ual(addr, gp))
! 3229: goto execve_efault;
1.1.1.3 root 3230: if (!addr)
3231: break;
1.1.1.6 ! root 3232: if (!(*q = lock_user_string(addr)))
! 3233: goto execve_efault;
1.1.1.3 root 3234: }
1.1 root 3235: *q = NULL;
3236:
1.1.1.6 ! root 3237: if (!(p = lock_user_string(arg1)))
! 3238: goto execve_efault;
1.1.1.3 root 3239: ret = get_errno(execve(p, argp, envp));
3240: unlock_user(p, arg1, 0);
3241:
1.1.1.6 ! root 3242: goto execve_end;
! 3243:
! 3244: execve_efault:
! 3245: ret = -TARGET_EFAULT;
! 3246:
! 3247: execve_end:
1.1.1.3 root 3248: for (gp = guest_argp, q = argp; *q;
1.1.1.6 ! root 3249: gp += sizeof(abi_ulong), q++) {
! 3250: if (get_user_ual(addr, gp)
! 3251: || !addr)
! 3252: break;
1.1.1.3 root 3253: unlock_user(*q, addr, 0);
3254: }
3255: for (gp = guest_envp, q = envp; *q;
1.1.1.6 ! root 3256: gp += sizeof(abi_ulong), q++) {
! 3257: if (get_user_ual(addr, gp)
! 3258: || !addr)
! 3259: break;
1.1.1.3 root 3260: unlock_user(*q, addr, 0);
3261: }
1.1 root 3262: }
3263: break;
3264: case TARGET_NR_chdir:
1.1.1.6 ! root 3265: if (!(p = lock_user_string(arg1)))
! 3266: goto efault;
1.1.1.3 root 3267: ret = get_errno(chdir(p));
3268: unlock_user(p, arg1, 0);
1.1 root 3269: break;
3270: #ifdef TARGET_NR_time
3271: case TARGET_NR_time:
3272: {
1.1.1.3 root 3273: time_t host_time;
3274: ret = get_errno(time(&host_time));
1.1.1.6 ! root 3275: if (!is_error(ret)
! 3276: && arg1
! 3277: && put_user_sal(host_time, arg1))
! 3278: goto efault;
1.1 root 3279: }
3280: break;
3281: #endif
3282: case TARGET_NR_mknod:
1.1.1.6 ! root 3283: if (!(p = lock_user_string(arg1)))
! 3284: goto efault;
1.1.1.3 root 3285: ret = get_errno(mknod(p, arg2, arg3));
3286: unlock_user(p, arg1, 0);
1.1 root 3287: break;
1.1.1.6 ! root 3288: #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
! 3289: case TARGET_NR_mknodat:
! 3290: if (!(p = lock_user_string(arg2)))
! 3291: goto efault;
! 3292: ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
! 3293: unlock_user(p, arg2, 0);
! 3294: break;
! 3295: #endif
1.1 root 3296: case TARGET_NR_chmod:
1.1.1.6 ! root 3297: if (!(p = lock_user_string(arg1)))
! 3298: goto efault;
1.1.1.3 root 3299: ret = get_errno(chmod(p, arg2));
3300: unlock_user(p, arg1, 0);
1.1 root 3301: break;
3302: #ifdef TARGET_NR_break
3303: case TARGET_NR_break:
3304: goto unimplemented;
3305: #endif
3306: #ifdef TARGET_NR_oldstat
3307: case TARGET_NR_oldstat:
3308: goto unimplemented;
3309: #endif
3310: case TARGET_NR_lseek:
3311: ret = get_errno(lseek(arg1, arg2, arg3));
3312: break;
1.1.1.6 ! root 3313: #ifdef TARGET_NR_getxpid
! 3314: case TARGET_NR_getxpid:
! 3315: #else
1.1 root 3316: case TARGET_NR_getpid:
1.1.1.6 ! root 3317: #endif
1.1 root 3318: ret = get_errno(getpid());
3319: break;
3320: case TARGET_NR_mount:
1.1.1.6 ! root 3321: {
! 3322: /* need to look at the data field */
! 3323: void *p2, *p3;
! 3324: p = lock_user_string(arg1);
! 3325: p2 = lock_user_string(arg2);
! 3326: p3 = lock_user_string(arg3);
! 3327: if (!p || !p2 || !p3)
! 3328: ret = -TARGET_EFAULT;
! 3329: else
! 3330: /* FIXME - arg5 should be locked, but it isn't clear how to
! 3331: * do that since it's not guaranteed to be a NULL-terminated
! 3332: * string.
! 3333: */
! 3334: ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
! 3335: unlock_user(p, arg1, 0);
! 3336: unlock_user(p2, arg2, 0);
! 3337: unlock_user(p3, arg3, 0);
! 3338: break;
! 3339: }
! 3340: #ifdef TARGET_NR_umount
1.1 root 3341: case TARGET_NR_umount:
1.1.1.6 ! root 3342: if (!(p = lock_user_string(arg1)))
! 3343: goto efault;
1.1.1.3 root 3344: ret = get_errno(umount(p));
3345: unlock_user(p, arg1, 0);
1.1 root 3346: break;
1.1.1.6 ! root 3347: #endif
! 3348: #ifdef TARGET_NR_stime /* not on alpha */
1.1 root 3349: case TARGET_NR_stime:
3350: {
1.1.1.3 root 3351: time_t host_time;
1.1.1.6 ! root 3352: if (get_user_sal(host_time, arg1))
! 3353: goto efault;
1.1.1.3 root 3354: ret = get_errno(stime(&host_time));
1.1 root 3355: }
3356: break;
1.1.1.6 ! root 3357: #endif
1.1 root 3358: case TARGET_NR_ptrace:
3359: goto unimplemented;
1.1.1.6 ! root 3360: #ifdef TARGET_NR_alarm /* not on alpha */
1.1 root 3361: case TARGET_NR_alarm:
3362: ret = alarm(arg1);
3363: break;
1.1.1.6 ! root 3364: #endif
1.1 root 3365: #ifdef TARGET_NR_oldfstat
3366: case TARGET_NR_oldfstat:
3367: goto unimplemented;
3368: #endif
1.1.1.6 ! root 3369: #ifdef TARGET_NR_pause /* not on alpha */
1.1 root 3370: case TARGET_NR_pause:
3371: ret = get_errno(pause());
3372: break;
1.1.1.6 ! root 3373: #endif
! 3374: #ifdef TARGET_NR_utime
1.1 root 3375: case TARGET_NR_utime:
3376: {
1.1.1.3 root 3377: struct utimbuf tbuf, *host_tbuf;
3378: struct target_utimbuf *target_tbuf;
3379: if (arg2) {
1.1.1.6 ! root 3380: if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
! 3381: goto efault;
1.1.1.3 root 3382: tbuf.actime = tswapl(target_tbuf->actime);
3383: tbuf.modtime = tswapl(target_tbuf->modtime);
3384: unlock_user_struct(target_tbuf, arg2, 0);
3385: host_tbuf = &tbuf;
1.1 root 3386: } else {
1.1.1.3 root 3387: host_tbuf = NULL;
1.1 root 3388: }
1.1.1.6 ! root 3389: if (!(p = lock_user_string(arg1)))
! 3390: goto efault;
1.1.1.3 root 3391: ret = get_errno(utime(p, host_tbuf));
3392: unlock_user(p, arg1, 0);
1.1 root 3393: }
3394: break;
1.1.1.6 ! root 3395: #endif
1.1 root 3396: case TARGET_NR_utimes:
3397: {
3398: struct timeval *tvp, tv[2];
1.1.1.3 root 3399: if (arg2) {
1.1.1.6 ! root 3400: if (copy_from_user_timeval(&tv[0], arg2)
! 3401: || copy_from_user_timeval(&tv[1],
! 3402: arg2 + sizeof(struct target_timeval)))
! 3403: goto efault;
1.1 root 3404: tvp = tv;
3405: } else {
3406: tvp = NULL;
3407: }
1.1.1.6 ! root 3408: if (!(p = lock_user_string(arg1)))
! 3409: goto efault;
1.1.1.3 root 3410: ret = get_errno(utimes(p, tvp));
3411: unlock_user(p, arg1, 0);
1.1 root 3412: }
3413: break;
3414: #ifdef TARGET_NR_stty
3415: case TARGET_NR_stty:
3416: goto unimplemented;
3417: #endif
3418: #ifdef TARGET_NR_gtty
3419: case TARGET_NR_gtty:
3420: goto unimplemented;
3421: #endif
3422: case TARGET_NR_access:
1.1.1.6 ! root 3423: if (!(p = lock_user_string(arg1)))
! 3424: goto efault;
1.1.1.3 root 3425: ret = get_errno(access(p, arg2));
3426: unlock_user(p, arg1, 0);
1.1 root 3427: break;
1.1.1.6 ! root 3428: #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
! 3429: case TARGET_NR_faccessat:
! 3430: if (!(p = lock_user_string(arg2)))
! 3431: goto efault;
! 3432: ret = get_errno(sys_faccessat(arg1, p, arg3, arg4));
! 3433: unlock_user(p, arg2, 0);
! 3434: break;
! 3435: #endif
! 3436: #ifdef TARGET_NR_nice /* not on alpha */
1.1 root 3437: case TARGET_NR_nice:
3438: ret = get_errno(nice(arg1));
3439: break;
1.1.1.6 ! root 3440: #endif
1.1 root 3441: #ifdef TARGET_NR_ftime
3442: case TARGET_NR_ftime:
3443: goto unimplemented;
3444: #endif
3445: case TARGET_NR_sync:
3446: sync();
3447: ret = 0;
3448: break;
3449: case TARGET_NR_kill:
3450: ret = get_errno(kill(arg1, arg2));
3451: break;
3452: case TARGET_NR_rename:
1.1.1.3 root 3453: {
3454: void *p2;
3455: p = lock_user_string(arg1);
3456: p2 = lock_user_string(arg2);
1.1.1.6 ! root 3457: if (!p || !p2)
! 3458: ret = -TARGET_EFAULT;
! 3459: else
! 3460: ret = get_errno(rename(p, p2));
1.1.1.3 root 3461: unlock_user(p2, arg2, 0);
3462: unlock_user(p, arg1, 0);
3463: }
1.1 root 3464: break;
1.1.1.6 ! root 3465: #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
! 3466: case TARGET_NR_renameat:
! 3467: {
! 3468: void *p2;
! 3469: p = lock_user_string(arg2);
! 3470: p2 = lock_user_string(arg4);
! 3471: if (!p || !p2)
! 3472: ret = -TARGET_EFAULT;
! 3473: else
! 3474: ret = get_errno(sys_renameat(arg1, p, arg3, p2));
! 3475: unlock_user(p2, arg4, 0);
! 3476: unlock_user(p, arg2, 0);
! 3477: }
! 3478: break;
! 3479: #endif
1.1 root 3480: case TARGET_NR_mkdir:
1.1.1.6 ! root 3481: if (!(p = lock_user_string(arg1)))
! 3482: goto efault;
1.1.1.3 root 3483: ret = get_errno(mkdir(p, arg2));
3484: unlock_user(p, arg1, 0);
1.1 root 3485: break;
1.1.1.6 ! root 3486: #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
! 3487: case TARGET_NR_mkdirat:
! 3488: if (!(p = lock_user_string(arg2)))
! 3489: goto efault;
! 3490: ret = get_errno(sys_mkdirat(arg1, p, arg3));
! 3491: unlock_user(p, arg2, 0);
! 3492: break;
! 3493: #endif
1.1 root 3494: case TARGET_NR_rmdir:
1.1.1.6 ! root 3495: if (!(p = lock_user_string(arg1)))
! 3496: goto efault;
1.1.1.3 root 3497: ret = get_errno(rmdir(p));
3498: unlock_user(p, arg1, 0);
1.1 root 3499: break;
3500: case TARGET_NR_dup:
3501: ret = get_errno(dup(arg1));
3502: break;
3503: case TARGET_NR_pipe:
3504: {
1.1.1.3 root 3505: int host_pipe[2];
3506: ret = get_errno(pipe(host_pipe));
1.1 root 3507: if (!is_error(ret)) {
1.1.1.6 ! root 3508: #if defined(TARGET_MIPS)
! 3509: CPUMIPSState *env = (CPUMIPSState*)cpu_env;
! 3510: env->gpr[3][env->current_tc] = host_pipe[1];
! 3511: ret = host_pipe[0];
! 3512: #else
! 3513: if (put_user_s32(host_pipe[0], arg1)
! 3514: || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0])))
! 3515: goto efault;
! 3516: #endif
1.1 root 3517: }
3518: }
3519: break;
3520: case TARGET_NR_times:
3521: {
1.1.1.3 root 3522: struct target_tms *tmsp;
1.1 root 3523: struct tms tms;
3524: ret = get_errno(times(&tms));
1.1.1.3 root 3525: if (arg1) {
1.1.1.6 ! root 3526: tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
! 3527: if (!tmsp)
! 3528: goto efault;
1.1 root 3529: tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
3530: tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
3531: tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
3532: tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
3533: }
3534: if (!is_error(ret))
3535: ret = host_to_target_clock_t(ret);
3536: }
3537: break;
3538: #ifdef TARGET_NR_prof
3539: case TARGET_NR_prof:
3540: goto unimplemented;
3541: #endif
1.1.1.6 ! root 3542: #ifdef TARGET_NR_signal
1.1 root 3543: case TARGET_NR_signal:
3544: goto unimplemented;
1.1.1.6 ! root 3545: #endif
1.1 root 3546: case TARGET_NR_acct:
1.1.1.6 ! root 3547: if (!(p = lock_user_string(arg1)))
! 3548: goto efault;
1.1.1.3 root 3549: ret = get_errno(acct(path(p)));
3550: unlock_user(p, arg1, 0);
3551: break;
1.1.1.6 ! root 3552: #ifdef TARGET_NR_umount2 /* not on alpha */
1.1 root 3553: case TARGET_NR_umount2:
1.1.1.6 ! root 3554: if (!(p = lock_user_string(arg1)))
! 3555: goto efault;
1.1.1.3 root 3556: ret = get_errno(umount2(p, arg2));
3557: unlock_user(p, arg1, 0);
1.1 root 3558: break;
1.1.1.6 ! root 3559: #endif
1.1 root 3560: #ifdef TARGET_NR_lock
3561: case TARGET_NR_lock:
3562: goto unimplemented;
3563: #endif
3564: case TARGET_NR_ioctl:
3565: ret = do_ioctl(arg1, arg2, arg3);
3566: break;
3567: case TARGET_NR_fcntl:
1.1.1.6 ! root 3568: ret = do_fcntl(arg1, arg2, arg3);
1.1 root 3569: break;
3570: #ifdef TARGET_NR_mpx
3571: case TARGET_NR_mpx:
3572: goto unimplemented;
3573: #endif
3574: case TARGET_NR_setpgid:
3575: ret = get_errno(setpgid(arg1, arg2));
3576: break;
3577: #ifdef TARGET_NR_ulimit
3578: case TARGET_NR_ulimit:
3579: goto unimplemented;
3580: #endif
3581: #ifdef TARGET_NR_oldolduname
3582: case TARGET_NR_oldolduname:
3583: goto unimplemented;
3584: #endif
3585: case TARGET_NR_umask:
3586: ret = get_errno(umask(arg1));
3587: break;
3588: case TARGET_NR_chroot:
1.1.1.6 ! root 3589: if (!(p = lock_user_string(arg1)))
! 3590: goto efault;
1.1.1.3 root 3591: ret = get_errno(chroot(p));
3592: unlock_user(p, arg1, 0);
1.1 root 3593: break;
3594: case TARGET_NR_ustat:
3595: goto unimplemented;
3596: case TARGET_NR_dup2:
3597: ret = get_errno(dup2(arg1, arg2));
3598: break;
1.1.1.6 ! root 3599: #ifdef TARGET_NR_getppid /* not on alpha */
1.1 root 3600: case TARGET_NR_getppid:
3601: ret = get_errno(getppid());
3602: break;
1.1.1.6 ! root 3603: #endif
1.1 root 3604: case TARGET_NR_getpgrp:
3605: ret = get_errno(getpgrp());
3606: break;
3607: case TARGET_NR_setsid:
3608: ret = get_errno(setsid());
3609: break;
1.1.1.6 ! root 3610: #ifdef TARGET_NR_sigaction
1.1 root 3611: case TARGET_NR_sigaction:
3612: {
1.1.1.6 ! root 3613: #if !defined(TARGET_MIPS)
1.1.1.3 root 3614: struct target_old_sigaction *old_act;
1.1 root 3615: struct target_sigaction act, oact, *pact;
1.1.1.3 root 3616: if (arg2) {
1.1.1.6 ! root 3617: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
! 3618: goto efault;
1.1 root 3619: act._sa_handler = old_act->_sa_handler;
3620: target_siginitset(&act.sa_mask, old_act->sa_mask);
3621: act.sa_flags = old_act->sa_flags;
3622: act.sa_restorer = old_act->sa_restorer;
1.1.1.3 root 3623: unlock_user_struct(old_act, arg2, 0);
1.1 root 3624: pact = &act;
3625: } else {
3626: pact = NULL;
3627: }
3628: ret = get_errno(do_sigaction(arg1, pact, &oact));
1.1.1.3 root 3629: if (!is_error(ret) && arg3) {
1.1.1.6 ! root 3630: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
! 3631: goto efault;
1.1.1.3 root 3632: old_act->_sa_handler = oact._sa_handler;
3633: old_act->sa_mask = oact.sa_mask.sig[0];
3634: old_act->sa_flags = oact.sa_flags;
3635: old_act->sa_restorer = oact.sa_restorer;
3636: unlock_user_struct(old_act, arg3, 1);
1.1 root 3637: }
1.1.1.6 ! root 3638: #else
1.1.1.4 root 3639: struct target_sigaction act, oact, *pact, *old_act;
3640:
3641: if (arg2) {
1.1.1.6 ! root 3642: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
! 3643: goto efault;
1.1.1.4 root 3644: act._sa_handler = old_act->_sa_handler;
3645: target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
3646: act.sa_flags = old_act->sa_flags;
3647: unlock_user_struct(old_act, arg2, 0);
3648: pact = &act;
3649: } else {
3650: pact = NULL;
3651: }
3652:
3653: ret = get_errno(do_sigaction(arg1, pact, &oact));
3654:
3655: if (!is_error(ret) && arg3) {
1.1.1.6 ! root 3656: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
! 3657: goto efault;
1.1.1.4 root 3658: old_act->_sa_handler = oact._sa_handler;
3659: old_act->sa_flags = oact.sa_flags;
3660: old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
3661: old_act->sa_mask.sig[1] = 0;
3662: old_act->sa_mask.sig[2] = 0;
3663: old_act->sa_mask.sig[3] = 0;
3664: unlock_user_struct(old_act, arg3, 1);
3665: }
1.1.1.6 ! root 3666: #endif
1.1 root 3667: }
3668: break;
1.1.1.6 ! root 3669: #endif
1.1 root 3670: case TARGET_NR_rt_sigaction:
1.1.1.3 root 3671: {
3672: struct target_sigaction *act;
3673: struct target_sigaction *oact;
3674:
1.1.1.6 ! root 3675: if (arg2) {
! 3676: if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
! 3677: goto efault;
! 3678: } else
1.1.1.3 root 3679: act = NULL;
1.1.1.6 ! root 3680: if (arg3) {
! 3681: if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
! 3682: ret = -TARGET_EFAULT;
! 3683: goto rt_sigaction_fail;
! 3684: }
! 3685: } else
1.1.1.3 root 3686: oact = NULL;
3687: ret = get_errno(do_sigaction(arg1, act, oact));
1.1.1.6 ! root 3688: rt_sigaction_fail:
! 3689: if (act)
1.1.1.3 root 3690: unlock_user_struct(act, arg2, 0);
1.1.1.6 ! root 3691: if (oact)
1.1.1.3 root 3692: unlock_user_struct(oact, arg3, 1);
3693: }
1.1 root 3694: break;
1.1.1.6 ! root 3695: #ifdef TARGET_NR_sgetmask /* not on alpha */
1.1 root 3696: case TARGET_NR_sgetmask:
3697: {
3698: sigset_t cur_set;
1.1.1.6 ! root 3699: abi_ulong target_set;
1.1 root 3700: sigprocmask(0, NULL, &cur_set);
3701: host_to_target_old_sigset(&target_set, &cur_set);
3702: ret = target_set;
3703: }
3704: break;
1.1.1.6 ! root 3705: #endif
! 3706: #ifdef TARGET_NR_ssetmask /* not on alpha */
1.1 root 3707: case TARGET_NR_ssetmask:
3708: {
3709: sigset_t set, oset, cur_set;
1.1.1.6 ! root 3710: abi_ulong target_set = arg1;
1.1 root 3711: sigprocmask(0, NULL, &cur_set);
3712: target_to_host_old_sigset(&set, &target_set);
3713: sigorset(&set, &set, &cur_set);
3714: sigprocmask(SIG_SETMASK, &set, &oset);
3715: host_to_target_old_sigset(&target_set, &oset);
3716: ret = target_set;
3717: }
3718: break;
1.1.1.6 ! root 3719: #endif
! 3720: #ifdef TARGET_NR_sigprocmask
1.1 root 3721: case TARGET_NR_sigprocmask:
3722: {
3723: int how = arg1;
3724: sigset_t set, oldset, *set_ptr;
1.1.1.6 ! root 3725:
1.1.1.3 root 3726: if (arg2) {
1.1 root 3727: switch(how) {
3728: case TARGET_SIG_BLOCK:
3729: how = SIG_BLOCK;
3730: break;
3731: case TARGET_SIG_UNBLOCK:
3732: how = SIG_UNBLOCK;
3733: break;
3734: case TARGET_SIG_SETMASK:
3735: how = SIG_SETMASK;
3736: break;
3737: default:
1.1.1.6 ! root 3738: ret = -TARGET_EINVAL;
1.1 root 3739: goto fail;
3740: }
1.1.1.6 ! root 3741: if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
! 3742: goto efault;
1.1.1.3 root 3743: target_to_host_old_sigset(&set, p);
3744: unlock_user(p, arg2, 0);
1.1 root 3745: set_ptr = &set;
3746: } else {
3747: how = 0;
3748: set_ptr = NULL;
3749: }
3750: ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1.1.1.3 root 3751: if (!is_error(ret) && arg3) {
1.1.1.6 ! root 3752: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
! 3753: goto efault;
1.1.1.3 root 3754: host_to_target_old_sigset(p, &oldset);
3755: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 3756: }
3757: }
3758: break;
1.1.1.6 ! root 3759: #endif
1.1 root 3760: case TARGET_NR_rt_sigprocmask:
3761: {
3762: int how = arg1;
3763: sigset_t set, oldset, *set_ptr;
1.1.1.6 ! root 3764:
1.1.1.3 root 3765: if (arg2) {
1.1 root 3766: switch(how) {
3767: case TARGET_SIG_BLOCK:
3768: how = SIG_BLOCK;
3769: break;
3770: case TARGET_SIG_UNBLOCK:
3771: how = SIG_UNBLOCK;
3772: break;
3773: case TARGET_SIG_SETMASK:
3774: how = SIG_SETMASK;
3775: break;
3776: default:
1.1.1.6 ! root 3777: ret = -TARGET_EINVAL;
1.1 root 3778: goto fail;
3779: }
1.1.1.6 ! root 3780: if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
! 3781: goto efault;
1.1.1.3 root 3782: target_to_host_sigset(&set, p);
3783: unlock_user(p, arg2, 0);
1.1 root 3784: set_ptr = &set;
3785: } else {
3786: how = 0;
3787: set_ptr = NULL;
3788: }
3789: ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1.1.1.3 root 3790: if (!is_error(ret) && arg3) {
1.1.1.6 ! root 3791: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
! 3792: goto efault;
1.1.1.3 root 3793: host_to_target_sigset(p, &oldset);
3794: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 3795: }
3796: }
3797: break;
1.1.1.6 ! root 3798: #ifdef TARGET_NR_sigpending
1.1 root 3799: case TARGET_NR_sigpending:
3800: {
3801: sigset_t set;
3802: ret = get_errno(sigpending(&set));
3803: if (!is_error(ret)) {
1.1.1.6 ! root 3804: if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
! 3805: goto efault;
1.1.1.3 root 3806: host_to_target_old_sigset(p, &set);
3807: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 3808: }
3809: }
3810: break;
1.1.1.6 ! root 3811: #endif
1.1 root 3812: case TARGET_NR_rt_sigpending:
3813: {
3814: sigset_t set;
3815: ret = get_errno(sigpending(&set));
3816: if (!is_error(ret)) {
1.1.1.6 ! root 3817: if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
! 3818: goto efault;
1.1.1.3 root 3819: host_to_target_sigset(p, &set);
3820: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 3821: }
3822: }
3823: break;
1.1.1.6 ! root 3824: #ifdef TARGET_NR_sigsuspend
1.1 root 3825: case TARGET_NR_sigsuspend:
3826: {
3827: sigset_t set;
1.1.1.6 ! root 3828: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
! 3829: goto efault;
1.1.1.3 root 3830: target_to_host_old_sigset(&set, p);
3831: unlock_user(p, arg1, 0);
1.1 root 3832: ret = get_errno(sigsuspend(&set));
3833: }
3834: break;
1.1.1.6 ! root 3835: #endif
1.1 root 3836: case TARGET_NR_rt_sigsuspend:
3837: {
3838: sigset_t set;
1.1.1.6 ! root 3839: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
! 3840: goto efault;
1.1.1.3 root 3841: target_to_host_sigset(&set, p);
3842: unlock_user(p, arg1, 0);
1.1 root 3843: ret = get_errno(sigsuspend(&set));
3844: }
3845: break;
3846: case TARGET_NR_rt_sigtimedwait:
3847: {
3848: sigset_t set;
3849: struct timespec uts, *puts;
3850: siginfo_t uinfo;
1.1.1.6 ! root 3851:
! 3852: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
! 3853: goto efault;
1.1.1.3 root 3854: target_to_host_sigset(&set, p);
3855: unlock_user(p, arg1, 0);
3856: if (arg3) {
1.1 root 3857: puts = &uts;
1.1.1.3 root 3858: target_to_host_timespec(puts, arg3);
1.1 root 3859: } else {
3860: puts = NULL;
3861: }
3862: ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1.1.1.3 root 3863: if (!is_error(ret) && arg2) {
1.1.1.6 ! root 3864: if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_sigset_t), 0)))
! 3865: goto efault;
1.1.1.3 root 3866: host_to_target_siginfo(p, &uinfo);
3867: unlock_user(p, arg2, sizeof(target_sigset_t));
1.1 root 3868: }
3869: }
3870: break;
3871: case TARGET_NR_rt_sigqueueinfo:
3872: {
3873: siginfo_t uinfo;
1.1.1.6 ! root 3874: if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
! 3875: goto efault;
1.1.1.3 root 3876: target_to_host_siginfo(&uinfo, p);
3877: unlock_user(p, arg1, 0);
1.1 root 3878: ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3879: }
3880: break;
1.1.1.6 ! root 3881: #ifdef TARGET_NR_sigreturn
1.1 root 3882: case TARGET_NR_sigreturn:
3883: /* NOTE: ret is eax, so not transcoding must be done */
3884: ret = do_sigreturn(cpu_env);
3885: break;
1.1.1.6 ! root 3886: #endif
1.1 root 3887: case TARGET_NR_rt_sigreturn:
3888: /* NOTE: ret is eax, so not transcoding must be done */
3889: ret = do_rt_sigreturn(cpu_env);
3890: break;
3891: case TARGET_NR_sethostname:
1.1.1.6 ! root 3892: if (!(p = lock_user_string(arg1)))
! 3893: goto efault;
1.1.1.3 root 3894: ret = get_errno(sethostname(p, arg2));
3895: unlock_user(p, arg1, 0);
1.1 root 3896: break;
3897: case TARGET_NR_setrlimit:
3898: {
3899: /* XXX: convert resource ? */
3900: int resource = arg1;
1.1.1.3 root 3901: struct target_rlimit *target_rlim;
1.1 root 3902: struct rlimit rlim;
1.1.1.6 ! root 3903: if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
! 3904: goto efault;
1.1 root 3905: rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3906: rlim.rlim_max = tswapl(target_rlim->rlim_max);
1.1.1.3 root 3907: unlock_user_struct(target_rlim, arg2, 0);
1.1 root 3908: ret = get_errno(setrlimit(resource, &rlim));
3909: }
3910: break;
3911: case TARGET_NR_getrlimit:
3912: {
3913: /* XXX: convert resource ? */
3914: int resource = arg1;
1.1.1.3 root 3915: struct target_rlimit *target_rlim;
1.1 root 3916: struct rlimit rlim;
1.1.1.6 ! root 3917:
1.1 root 3918: ret = get_errno(getrlimit(resource, &rlim));
3919: if (!is_error(ret)) {
1.1.1.6 ! root 3920: if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
! 3921: goto efault;
1.1.1.3 root 3922: rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3923: rlim.rlim_max = tswapl(target_rlim->rlim_max);
3924: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 3925: }
3926: }
3927: break;
3928: case TARGET_NR_getrusage:
3929: {
3930: struct rusage rusage;
3931: ret = get_errno(getrusage(arg1, &rusage));
3932: if (!is_error(ret)) {
1.1.1.3 root 3933: host_to_target_rusage(arg2, &rusage);
1.1 root 3934: }
3935: }
3936: break;
3937: case TARGET_NR_gettimeofday:
3938: {
3939: struct timeval tv;
3940: ret = get_errno(gettimeofday(&tv, NULL));
3941: if (!is_error(ret)) {
1.1.1.6 ! root 3942: if (copy_to_user_timeval(arg1, &tv))
! 3943: goto efault;
1.1 root 3944: }
3945: }
3946: break;
3947: case TARGET_NR_settimeofday:
3948: {
3949: struct timeval tv;
1.1.1.6 ! root 3950: if (copy_from_user_timeval(&tv, arg1))
! 3951: goto efault;
1.1 root 3952: ret = get_errno(settimeofday(&tv, NULL));
3953: }
3954: break;
1.1.1.2 root 3955: #ifdef TARGET_NR_select
1.1 root 3956: case TARGET_NR_select:
3957: {
1.1.1.3 root 3958: struct target_sel_arg_struct *sel;
1.1.1.6 ! root 3959: abi_ulong inp, outp, exp, tvp;
1.1.1.3 root 3960: long nsel;
3961:
1.1.1.6 ! root 3962: if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
! 3963: goto efault;
1.1.1.3 root 3964: nsel = tswapl(sel->n);
3965: inp = tswapl(sel->inp);
3966: outp = tswapl(sel->outp);
3967: exp = tswapl(sel->exp);
3968: tvp = tswapl(sel->tvp);
3969: unlock_user_struct(sel, arg1, 0);
3970: ret = do_select(nsel, inp, outp, exp, tvp);
1.1 root 3971: }
3972: break;
1.1.1.2 root 3973: #endif
1.1 root 3974: case TARGET_NR_symlink:
1.1.1.3 root 3975: {
3976: void *p2;
3977: p = lock_user_string(arg1);
3978: p2 = lock_user_string(arg2);
1.1.1.6 ! root 3979: if (!p || !p2)
! 3980: ret = -TARGET_EFAULT;
! 3981: else
! 3982: ret = get_errno(symlink(p, p2));
1.1.1.3 root 3983: unlock_user(p2, arg2, 0);
3984: unlock_user(p, arg1, 0);
3985: }
1.1 root 3986: break;
1.1.1.6 ! root 3987: #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
! 3988: case TARGET_NR_symlinkat:
! 3989: {
! 3990: void *p2;
! 3991: p = lock_user_string(arg1);
! 3992: p2 = lock_user_string(arg3);
! 3993: if (!p || !p2)
! 3994: ret = -TARGET_EFAULT;
! 3995: else
! 3996: ret = get_errno(sys_symlinkat(p, arg2, p2));
! 3997: unlock_user(p2, arg3, 0);
! 3998: unlock_user(p, arg1, 0);
! 3999: }
! 4000: break;
! 4001: #endif
1.1 root 4002: #ifdef TARGET_NR_oldlstat
4003: case TARGET_NR_oldlstat:
4004: goto unimplemented;
4005: #endif
4006: case TARGET_NR_readlink:
1.1.1.3 root 4007: {
4008: void *p2;
4009: p = lock_user_string(arg1);
1.1.1.6 ! root 4010: p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
! 4011: if (!p || !p2)
! 4012: ret = -TARGET_EFAULT;
! 4013: else
! 4014: ret = get_errno(readlink(path(p), p2, arg3));
1.1.1.3 root 4015: unlock_user(p2, arg2, ret);
4016: unlock_user(p, arg1, 0);
4017: }
1.1 root 4018: break;
1.1.1.6 ! root 4019: #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
! 4020: case TARGET_NR_readlinkat:
! 4021: {
! 4022: void *p2;
! 4023: p = lock_user_string(arg2);
! 4024: p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
! 4025: if (!p || !p2)
! 4026: ret = -TARGET_EFAULT;
! 4027: else
! 4028: ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
! 4029: unlock_user(p2, arg3, ret);
! 4030: unlock_user(p, arg2, 0);
! 4031: }
! 4032: break;
! 4033: #endif
! 4034: #ifdef TARGET_NR_uselib
1.1 root 4035: case TARGET_NR_uselib:
4036: goto unimplemented;
1.1.1.6 ! root 4037: #endif
! 4038: #ifdef TARGET_NR_swapon
1.1 root 4039: case TARGET_NR_swapon:
1.1.1.6 ! root 4040: if (!(p = lock_user_string(arg1)))
! 4041: goto efault;
1.1.1.3 root 4042: ret = get_errno(swapon(p, arg2));
4043: unlock_user(p, arg1, 0);
1.1 root 4044: break;
1.1.1.6 ! root 4045: #endif
1.1 root 4046: case TARGET_NR_reboot:
4047: goto unimplemented;
1.1.1.6 ! root 4048: #ifdef TARGET_NR_readdir
1.1 root 4049: case TARGET_NR_readdir:
4050: goto unimplemented;
1.1.1.6 ! root 4051: #endif
! 4052: #ifdef TARGET_NR_mmap
1.1 root 4053: case TARGET_NR_mmap:
1.1.1.6 ! root 4054: #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
1.1 root 4055: {
1.1.1.6 ! root 4056: abi_ulong *v;
! 4057: abi_ulong v1, v2, v3, v4, v5, v6;
! 4058: if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
! 4059: goto efault;
1.1.1.3 root 4060: v1 = tswapl(v[0]);
4061: v2 = tswapl(v[1]);
4062: v3 = tswapl(v[2]);
4063: v4 = tswapl(v[3]);
4064: v5 = tswapl(v[4]);
4065: v6 = tswapl(v[5]);
4066: unlock_user(v, arg1, 0);
1.1.1.6 ! root 4067: ret = get_errno(target_mmap(v1, v2, v3,
1.1 root 4068: target_to_host_bitmask(v4, mmap_flags_tbl),
4069: v5, v6));
4070: }
4071: #else
1.1.1.6 ! root 4072: ret = get_errno(target_mmap(arg1, arg2, arg3,
! 4073: target_to_host_bitmask(arg4, mmap_flags_tbl),
1.1 root 4074: arg5,
4075: arg6));
4076: #endif
4077: break;
1.1.1.6 ! root 4078: #endif
1.1 root 4079: #ifdef TARGET_NR_mmap2
4080: case TARGET_NR_mmap2:
1.1.1.5 root 4081: #if defined(TARGET_SPARC) || defined(TARGET_MIPS)
1.1 root 4082: #define MMAP_SHIFT 12
4083: #else
4084: #define MMAP_SHIFT TARGET_PAGE_BITS
4085: #endif
1.1.1.6 ! root 4086: ret = get_errno(target_mmap(arg1, arg2, arg3,
! 4087: target_to_host_bitmask(arg4, mmap_flags_tbl),
1.1 root 4088: arg5,
4089: arg6 << MMAP_SHIFT));
4090: break;
4091: #endif
4092: case TARGET_NR_munmap:
4093: ret = get_errno(target_munmap(arg1, arg2));
4094: break;
4095: case TARGET_NR_mprotect:
4096: ret = get_errno(target_mprotect(arg1, arg2, arg3));
4097: break;
1.1.1.6 ! root 4098: #ifdef TARGET_NR_mremap
1.1 root 4099: case TARGET_NR_mremap:
4100: ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
4101: break;
1.1.1.6 ! root 4102: #endif
1.1.1.3 root 4103: /* ??? msync/mlock/munlock are broken for softmmu. */
1.1.1.6 ! root 4104: #ifdef TARGET_NR_msync
1.1 root 4105: case TARGET_NR_msync:
1.1.1.3 root 4106: ret = get_errno(msync(g2h(arg1), arg2, arg3));
1.1 root 4107: break;
1.1.1.6 ! root 4108: #endif
! 4109: #ifdef TARGET_NR_mlock
1.1 root 4110: case TARGET_NR_mlock:
1.1.1.3 root 4111: ret = get_errno(mlock(g2h(arg1), arg2));
1.1 root 4112: break;
1.1.1.6 ! root 4113: #endif
! 4114: #ifdef TARGET_NR_munlock
1.1 root 4115: case TARGET_NR_munlock:
1.1.1.3 root 4116: ret = get_errno(munlock(g2h(arg1), arg2));
1.1 root 4117: break;
1.1.1.6 ! root 4118: #endif
! 4119: #ifdef TARGET_NR_mlockall
1.1 root 4120: case TARGET_NR_mlockall:
4121: ret = get_errno(mlockall(arg1));
4122: break;
1.1.1.6 ! root 4123: #endif
! 4124: #ifdef TARGET_NR_munlockall
1.1 root 4125: case TARGET_NR_munlockall:
4126: ret = get_errno(munlockall());
4127: break;
1.1.1.6 ! root 4128: #endif
1.1 root 4129: case TARGET_NR_truncate:
1.1.1.6 ! root 4130: if (!(p = lock_user_string(arg1)))
! 4131: goto efault;
1.1.1.3 root 4132: ret = get_errno(truncate(p, arg2));
4133: unlock_user(p, arg1, 0);
1.1 root 4134: break;
4135: case TARGET_NR_ftruncate:
4136: ret = get_errno(ftruncate(arg1, arg2));
4137: break;
4138: case TARGET_NR_fchmod:
4139: ret = get_errno(fchmod(arg1, arg2));
4140: break;
1.1.1.6 ! root 4141: #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
! 4142: case TARGET_NR_fchmodat:
! 4143: if (!(p = lock_user_string(arg2)))
! 4144: goto efault;
! 4145: ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4));
! 4146: unlock_user(p, arg2, 0);
! 4147: break;
! 4148: #endif
1.1 root 4149: case TARGET_NR_getpriority:
1.1.1.6 ! root 4150: /* libc does special remapping of the return value of
! 4151: * sys_getpriority() so it's just easiest to call
! 4152: * sys_getpriority() directly rather than through libc. */
! 4153: ret = sys_getpriority(arg1, arg2);
1.1 root 4154: break;
4155: case TARGET_NR_setpriority:
4156: ret = get_errno(setpriority(arg1, arg2, arg3));
4157: break;
4158: #ifdef TARGET_NR_profil
4159: case TARGET_NR_profil:
4160: goto unimplemented;
4161: #endif
4162: case TARGET_NR_statfs:
1.1.1.6 ! root 4163: if (!(p = lock_user_string(arg1)))
! 4164: goto efault;
1.1.1.3 root 4165: ret = get_errno(statfs(path(p), &stfs));
4166: unlock_user(p, arg1, 0);
1.1 root 4167: convert_statfs:
4168: if (!is_error(ret)) {
1.1.1.3 root 4169: struct target_statfs *target_stfs;
1.1.1.6 ! root 4170:
! 4171: if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
! 4172: goto efault;
! 4173: __put_user(stfs.f_type, &target_stfs->f_type);
! 4174: __put_user(stfs.f_bsize, &target_stfs->f_bsize);
! 4175: __put_user(stfs.f_blocks, &target_stfs->f_blocks);
! 4176: __put_user(stfs.f_bfree, &target_stfs->f_bfree);
! 4177: __put_user(stfs.f_bavail, &target_stfs->f_bavail);
! 4178: __put_user(stfs.f_files, &target_stfs->f_files);
! 4179: __put_user(stfs.f_ffree, &target_stfs->f_ffree);
! 4180: __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
! 4181: __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
! 4182: __put_user(stfs.f_namelen, &target_stfs->f_namelen);
1.1.1.3 root 4183: unlock_user_struct(target_stfs, arg2, 1);
1.1 root 4184: }
4185: break;
4186: case TARGET_NR_fstatfs:
1.1.1.2 root 4187: ret = get_errno(fstatfs(arg1, &stfs));
1.1 root 4188: goto convert_statfs;
1.1.1.2 root 4189: #ifdef TARGET_NR_statfs64
4190: case TARGET_NR_statfs64:
1.1.1.6 ! root 4191: if (!(p = lock_user_string(arg1)))
! 4192: goto efault;
1.1.1.3 root 4193: ret = get_errno(statfs(path(p), &stfs));
4194: unlock_user(p, arg1, 0);
1.1.1.2 root 4195: convert_statfs64:
4196: if (!is_error(ret)) {
1.1.1.3 root 4197: struct target_statfs64 *target_stfs;
1.1.1.6 ! root 4198:
! 4199: if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
! 4200: goto efault;
! 4201: __put_user(stfs.f_type, &target_stfs->f_type);
! 4202: __put_user(stfs.f_bsize, &target_stfs->f_bsize);
! 4203: __put_user(stfs.f_blocks, &target_stfs->f_blocks);
! 4204: __put_user(stfs.f_bfree, &target_stfs->f_bfree);
! 4205: __put_user(stfs.f_bavail, &target_stfs->f_bavail);
! 4206: __put_user(stfs.f_files, &target_stfs->f_files);
! 4207: __put_user(stfs.f_ffree, &target_stfs->f_ffree);
! 4208: __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
! 4209: __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
! 4210: __put_user(stfs.f_namelen, &target_stfs->f_namelen);
! 4211: unlock_user_struct(target_stfs, arg3, 1);
1.1.1.2 root 4212: }
4213: break;
4214: case TARGET_NR_fstatfs64:
4215: ret = get_errno(fstatfs(arg1, &stfs));
4216: goto convert_statfs64;
4217: #endif
1.1 root 4218: #ifdef TARGET_NR_ioperm
4219: case TARGET_NR_ioperm:
4220: goto unimplemented;
4221: #endif
1.1.1.6 ! root 4222: #ifdef TARGET_NR_socketcall
1.1 root 4223: case TARGET_NR_socketcall:
1.1.1.3 root 4224: ret = do_socketcall(arg1, arg2);
1.1 root 4225: break;
1.1.1.6 ! root 4226: #endif
1.1.1.4 root 4227: #ifdef TARGET_NR_accept
4228: case TARGET_NR_accept:
1.1.1.5 root 4229: ret = do_accept(arg1, arg2, arg3);
1.1.1.4 root 4230: break;
4231: #endif
4232: #ifdef TARGET_NR_bind
4233: case TARGET_NR_bind:
4234: ret = do_bind(arg1, arg2, arg3);
4235: break;
4236: #endif
4237: #ifdef TARGET_NR_connect
4238: case TARGET_NR_connect:
4239: ret = do_connect(arg1, arg2, arg3);
4240: break;
4241: #endif
4242: #ifdef TARGET_NR_getpeername
4243: case TARGET_NR_getpeername:
1.1.1.5 root 4244: ret = do_getpeername(arg1, arg2, arg3);
1.1.1.4 root 4245: break;
4246: #endif
4247: #ifdef TARGET_NR_getsockname
4248: case TARGET_NR_getsockname:
1.1.1.5 root 4249: ret = do_getsockname(arg1, arg2, arg3);
1.1.1.4 root 4250: break;
4251: #endif
4252: #ifdef TARGET_NR_getsockopt
4253: case TARGET_NR_getsockopt:
4254: ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
4255: break;
4256: #endif
4257: #ifdef TARGET_NR_listen
4258: case TARGET_NR_listen:
1.1.1.5 root 4259: ret = get_errno(listen(arg1, arg2));
1.1.1.4 root 4260: break;
4261: #endif
4262: #ifdef TARGET_NR_recv
4263: case TARGET_NR_recv:
1.1.1.6 ! root 4264: ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
1.1.1.4 root 4265: break;
4266: #endif
4267: #ifdef TARGET_NR_recvfrom
4268: case TARGET_NR_recvfrom:
1.1.1.6 ! root 4269: ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
1.1.1.4 root 4270: break;
4271: #endif
4272: #ifdef TARGET_NR_recvmsg
4273: case TARGET_NR_recvmsg:
4274: ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
4275: break;
4276: #endif
4277: #ifdef TARGET_NR_send
4278: case TARGET_NR_send:
1.1.1.5 root 4279: ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
1.1.1.4 root 4280: break;
4281: #endif
4282: #ifdef TARGET_NR_sendmsg
4283: case TARGET_NR_sendmsg:
4284: ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
4285: break;
4286: #endif
4287: #ifdef TARGET_NR_sendto
4288: case TARGET_NR_sendto:
1.1.1.5 root 4289: ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
1.1.1.4 root 4290: break;
4291: #endif
4292: #ifdef TARGET_NR_shutdown
4293: case TARGET_NR_shutdown:
1.1.1.5 root 4294: ret = get_errno(shutdown(arg1, arg2));
1.1.1.4 root 4295: break;
4296: #endif
4297: #ifdef TARGET_NR_socket
4298: case TARGET_NR_socket:
4299: ret = do_socket(arg1, arg2, arg3);
4300: break;
4301: #endif
4302: #ifdef TARGET_NR_socketpair
4303: case TARGET_NR_socketpair:
1.1.1.5 root 4304: ret = do_socketpair(arg1, arg2, arg3, arg4);
1.1.1.4 root 4305: break;
4306: #endif
4307: #ifdef TARGET_NR_setsockopt
4308: case TARGET_NR_setsockopt:
4309: ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
4310: break;
4311: #endif
1.1.1.6 ! root 4312:
1.1 root 4313: case TARGET_NR_syslog:
1.1.1.6 ! root 4314: if (!(p = lock_user_string(arg2)))
! 4315: goto efault;
! 4316: ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
! 4317: unlock_user(p, arg2, 0);
! 4318: break;
! 4319:
1.1 root 4320: case TARGET_NR_setitimer:
4321: {
4322: struct itimerval value, ovalue, *pvalue;
4323:
1.1.1.3 root 4324: if (arg2) {
1.1 root 4325: pvalue = &value;
1.1.1.6 ! root 4326: if (copy_from_user_timeval(&pvalue->it_interval, arg2)
! 4327: || copy_from_user_timeval(&pvalue->it_value,
! 4328: arg2 + sizeof(struct target_timeval)))
! 4329: goto efault;
1.1 root 4330: } else {
4331: pvalue = NULL;
4332: }
4333: ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1.1.1.3 root 4334: if (!is_error(ret) && arg3) {
1.1.1.6 ! root 4335: if (copy_to_user_timeval(arg3,
! 4336: &ovalue.it_interval)
! 4337: || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
! 4338: &ovalue.it_value))
! 4339: goto efault;
1.1 root 4340: }
4341: }
4342: break;
4343: case TARGET_NR_getitimer:
4344: {
4345: struct itimerval value;
1.1.1.6 ! root 4346:
1.1 root 4347: ret = get_errno(getitimer(arg1, &value));
1.1.1.3 root 4348: if (!is_error(ret) && arg2) {
1.1.1.6 ! root 4349: if (copy_to_user_timeval(arg2,
! 4350: &value.it_interval)
! 4351: || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
! 4352: &value.it_value))
! 4353: goto efault;
1.1 root 4354: }
4355: }
4356: break;
4357: case TARGET_NR_stat:
1.1.1.6 ! root 4358: if (!(p = lock_user_string(arg1)))
! 4359: goto efault;
1.1.1.3 root 4360: ret = get_errno(stat(path(p), &st));
4361: unlock_user(p, arg1, 0);
1.1 root 4362: goto do_stat;
4363: case TARGET_NR_lstat:
1.1.1.6 ! root 4364: if (!(p = lock_user_string(arg1)))
! 4365: goto efault;
1.1.1.3 root 4366: ret = get_errno(lstat(path(p), &st));
4367: unlock_user(p, arg1, 0);
1.1 root 4368: goto do_stat;
4369: case TARGET_NR_fstat:
4370: {
4371: ret = get_errno(fstat(arg1, &st));
4372: do_stat:
4373: if (!is_error(ret)) {
1.1.1.3 root 4374: struct target_stat *target_st;
1.1.1.6 ! root 4375:
! 4376: if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
! 4377: goto efault;
! 4378: __put_user(st.st_dev, &target_st->st_dev);
! 4379: __put_user(st.st_ino, &target_st->st_ino);
! 4380: __put_user(st.st_mode, &target_st->st_mode);
! 4381: __put_user(st.st_uid, &target_st->st_uid);
! 4382: __put_user(st.st_gid, &target_st->st_gid);
! 4383: __put_user(st.st_nlink, &target_st->st_nlink);
! 4384: __put_user(st.st_rdev, &target_st->st_rdev);
! 4385: __put_user(st.st_size, &target_st->st_size);
! 4386: __put_user(st.st_blksize, &target_st->st_blksize);
! 4387: __put_user(st.st_blocks, &target_st->st_blocks);
! 4388: __put_user(st.st_atime, &target_st->target_st_atime);
! 4389: __put_user(st.st_mtime, &target_st->target_st_mtime);
! 4390: __put_user(st.st_ctime, &target_st->target_st_ctime);
1.1.1.3 root 4391: unlock_user_struct(target_st, arg2, 1);
1.1 root 4392: }
4393: }
4394: break;
4395: #ifdef TARGET_NR_olduname
4396: case TARGET_NR_olduname:
4397: goto unimplemented;
4398: #endif
4399: #ifdef TARGET_NR_iopl
4400: case TARGET_NR_iopl:
4401: goto unimplemented;
4402: #endif
4403: case TARGET_NR_vhangup:
4404: ret = get_errno(vhangup());
4405: break;
4406: #ifdef TARGET_NR_idle
4407: case TARGET_NR_idle:
4408: goto unimplemented;
4409: #endif
4410: #ifdef TARGET_NR_syscall
4411: case TARGET_NR_syscall:
4412: ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
4413: break;
4414: #endif
4415: case TARGET_NR_wait4:
4416: {
4417: int status;
1.1.1.6 ! root 4418: abi_long status_ptr = arg2;
1.1 root 4419: struct rusage rusage, *rusage_ptr;
1.1.1.6 ! root 4420: abi_ulong target_rusage = arg4;
1.1 root 4421: if (target_rusage)
4422: rusage_ptr = &rusage;
4423: else
4424: rusage_ptr = NULL;
4425: ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
4426: if (!is_error(ret)) {
1.1.1.6 ! root 4427: if (status_ptr) {
! 4428: if (put_user_s32(status, status_ptr))
! 4429: goto efault;
1.1 root 4430: }
1.1.1.6 ! root 4431: if (target_rusage)
! 4432: host_to_target_rusage(target_rusage, &rusage);
1.1 root 4433: }
4434: }
4435: break;
1.1.1.6 ! root 4436: #ifdef TARGET_NR_swapoff
1.1 root 4437: case TARGET_NR_swapoff:
1.1.1.6 ! root 4438: if (!(p = lock_user_string(arg1)))
! 4439: goto efault;
1.1.1.3 root 4440: ret = get_errno(swapoff(p));
4441: unlock_user(p, arg1, 0);
1.1 root 4442: break;
1.1.1.6 ! root 4443: #endif
1.1 root 4444: case TARGET_NR_sysinfo:
4445: {
1.1.1.3 root 4446: struct target_sysinfo *target_value;
1.1 root 4447: struct sysinfo value;
4448: ret = get_errno(sysinfo(&value));
1.1.1.3 root 4449: if (!is_error(ret) && arg1)
1.1 root 4450: {
1.1.1.6 ! root 4451: if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
! 4452: goto efault;
1.1 root 4453: __put_user(value.uptime, &target_value->uptime);
4454: __put_user(value.loads[0], &target_value->loads[0]);
4455: __put_user(value.loads[1], &target_value->loads[1]);
4456: __put_user(value.loads[2], &target_value->loads[2]);
4457: __put_user(value.totalram, &target_value->totalram);
4458: __put_user(value.freeram, &target_value->freeram);
4459: __put_user(value.sharedram, &target_value->sharedram);
4460: __put_user(value.bufferram, &target_value->bufferram);
4461: __put_user(value.totalswap, &target_value->totalswap);
4462: __put_user(value.freeswap, &target_value->freeswap);
4463: __put_user(value.procs, &target_value->procs);
4464: __put_user(value.totalhigh, &target_value->totalhigh);
4465: __put_user(value.freehigh, &target_value->freehigh);
4466: __put_user(value.mem_unit, &target_value->mem_unit);
1.1.1.3 root 4467: unlock_user_struct(target_value, arg1, 1);
1.1 root 4468: }
4469: }
4470: break;
1.1.1.6 ! root 4471: #ifdef TARGET_NR_ipc
1.1 root 4472: case TARGET_NR_ipc:
4473: ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
4474: break;
1.1.1.6 ! root 4475: #endif
1.1 root 4476: case TARGET_NR_fsync:
4477: ret = get_errno(fsync(arg1));
4478: break;
4479: case TARGET_NR_clone:
4480: ret = get_errno(do_fork(cpu_env, arg1, arg2));
4481: break;
4482: #ifdef __NR_exit_group
4483: /* new thread calls */
4484: case TARGET_NR_exit_group:
4485: gdb_exit(cpu_env, arg1);
4486: ret = get_errno(exit_group(arg1));
4487: break;
4488: #endif
4489: case TARGET_NR_setdomainname:
1.1.1.6 ! root 4490: if (!(p = lock_user_string(arg1)))
! 4491: goto efault;
1.1.1.3 root 4492: ret = get_errno(setdomainname(p, arg2));
4493: unlock_user(p, arg1, 0);
1.1 root 4494: break;
4495: case TARGET_NR_uname:
4496: /* no need to transcode because we use the linux syscall */
4497: {
4498: struct new_utsname * buf;
1.1.1.6 ! root 4499:
! 4500: if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
! 4501: goto efault;
1.1 root 4502: ret = get_errno(sys_uname(buf));
4503: if (!is_error(ret)) {
4504: /* Overrite the native machine name with whatever is being
4505: emulated. */
4506: strcpy (buf->machine, UNAME_MACHINE);
1.1.1.4 root 4507: /* Allow the user to override the reported release. */
4508: if (qemu_uname_release && *qemu_uname_release)
4509: strcpy (buf->release, qemu_uname_release);
1.1 root 4510: }
1.1.1.3 root 4511: unlock_user_struct(buf, arg1, 1);
1.1 root 4512: }
4513: break;
4514: #ifdef TARGET_I386
4515: case TARGET_NR_modify_ldt:
1.1.1.6 ! root 4516: ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
1.1 root 4517: break;
1.1.1.6 ! root 4518: #if !defined(TARGET_X86_64)
1.1 root 4519: case TARGET_NR_vm86old:
4520: goto unimplemented;
4521: case TARGET_NR_vm86:
1.1.1.3 root 4522: ret = do_vm86(cpu_env, arg1, arg2);
1.1 root 4523: break;
4524: #endif
1.1.1.6 ! root 4525: #endif
1.1 root 4526: case TARGET_NR_adjtimex:
4527: goto unimplemented;
1.1.1.6 ! root 4528: #ifdef TARGET_NR_create_module
1.1 root 4529: case TARGET_NR_create_module:
1.1.1.6 ! root 4530: #endif
1.1 root 4531: case TARGET_NR_init_module:
4532: case TARGET_NR_delete_module:
1.1.1.6 ! root 4533: #ifdef TARGET_NR_get_kernel_syms
1.1 root 4534: case TARGET_NR_get_kernel_syms:
1.1.1.6 ! root 4535: #endif
1.1 root 4536: goto unimplemented;
4537: case TARGET_NR_quotactl:
4538: goto unimplemented;
4539: case TARGET_NR_getpgid:
4540: ret = get_errno(getpgid(arg1));
4541: break;
4542: case TARGET_NR_fchdir:
4543: ret = get_errno(fchdir(arg1));
4544: break;
1.1.1.6 ! root 4545: #ifdef TARGET_NR_bdflush /* not on x86_64 */
1.1 root 4546: case TARGET_NR_bdflush:
4547: goto unimplemented;
1.1.1.6 ! root 4548: #endif
! 4549: #ifdef TARGET_NR_sysfs
1.1 root 4550: case TARGET_NR_sysfs:
4551: goto unimplemented;
1.1.1.6 ! root 4552: #endif
1.1 root 4553: case TARGET_NR_personality:
4554: ret = get_errno(personality(arg1));
4555: break;
1.1.1.6 ! root 4556: #ifdef TARGET_NR_afs_syscall
1.1 root 4557: case TARGET_NR_afs_syscall:
4558: goto unimplemented;
1.1.1.6 ! root 4559: #endif
! 4560: #ifdef TARGET_NR__llseek /* Not on alpha */
1.1 root 4561: case TARGET_NR__llseek:
4562: {
4563: #if defined (__x86_64__)
4564: ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
1.1.1.6 ! root 4565: if (put_user_s64(ret, arg4))
! 4566: goto efault;
1.1 root 4567: #else
4568: int64_t res;
4569: ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1.1.1.6 ! root 4570: if (put_user_s64(res, arg4))
! 4571: goto efault;
1.1 root 4572: #endif
4573: }
4574: break;
1.1.1.6 ! root 4575: #endif
1.1 root 4576: case TARGET_NR_getdents:
1.1.1.6 ! root 4577: #if TARGET_ABI_BITS != 32
1.1.1.3 root 4578: goto unimplemented;
1.1.1.6 ! root 4579: #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
1.1 root 4580: {
1.1.1.3 root 4581: struct target_dirent *target_dirp;
1.1 root 4582: struct dirent *dirp;
1.1.1.6 ! root 4583: abi_long count = arg3;
1.1 root 4584:
4585: dirp = malloc(count);
1.1.1.6 ! root 4586: if (!dirp) {
! 4587: ret = -TARGET_ENOMEM;
! 4588: goto fail;
! 4589: }
! 4590:
1.1 root 4591: ret = get_errno(sys_getdents(arg1, dirp, count));
4592: if (!is_error(ret)) {
4593: struct dirent *de;
4594: struct target_dirent *tde;
4595: int len = ret;
4596: int reclen, treclen;
4597: int count1, tnamelen;
4598:
4599: count1 = 0;
4600: de = dirp;
1.1.1.6 ! root 4601: if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
! 4602: goto efault;
1.1 root 4603: tde = target_dirp;
4604: while (len > 0) {
4605: reclen = de->d_reclen;
1.1.1.6 ! root 4606: treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
1.1 root 4607: tde->d_reclen = tswap16(treclen);
4608: tde->d_ino = tswapl(de->d_ino);
4609: tde->d_off = tswapl(de->d_off);
1.1.1.6 ! root 4610: tnamelen = treclen - (2 * sizeof(abi_long) + 2);
1.1 root 4611: if (tnamelen > 256)
4612: tnamelen = 256;
4613: /* XXX: may not be correct */
4614: strncpy(tde->d_name, de->d_name, tnamelen);
4615: de = (struct dirent *)((char *)de + reclen);
4616: len -= reclen;
1.1.1.6 ! root 4617: tde = (struct target_dirent *)((char *)tde + treclen);
1.1 root 4618: count1 += treclen;
4619: }
4620: ret = count1;
1.1.1.6 ! root 4621: unlock_user(target_dirp, arg2, ret);
1.1 root 4622: }
4623: free(dirp);
4624: }
4625: #else
4626: {
1.1.1.3 root 4627: struct dirent *dirp;
1.1.1.6 ! root 4628: abi_long count = arg3;
1.1 root 4629:
1.1.1.6 ! root 4630: if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
! 4631: goto efault;
1.1 root 4632: ret = get_errno(sys_getdents(arg1, dirp, count));
4633: if (!is_error(ret)) {
4634: struct dirent *de;
4635: int len = ret;
4636: int reclen;
4637: de = dirp;
4638: while (len > 0) {
4639: reclen = de->d_reclen;
4640: if (reclen > len)
4641: break;
4642: de->d_reclen = tswap16(reclen);
4643: tswapls(&de->d_ino);
4644: tswapls(&de->d_off);
4645: de = (struct dirent *)((char *)de + reclen);
4646: len -= reclen;
4647: }
4648: }
1.1.1.3 root 4649: unlock_user(dirp, arg2, ret);
1.1 root 4650: }
4651: #endif
4652: break;
1.1.1.6 ! root 4653: #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
1.1 root 4654: case TARGET_NR_getdents64:
4655: {
1.1.1.3 root 4656: struct dirent64 *dirp;
1.1.1.6 ! root 4657: abi_long count = arg3;
! 4658: if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
! 4659: goto efault;
1.1 root 4660: ret = get_errno(sys_getdents64(arg1, dirp, count));
4661: if (!is_error(ret)) {
4662: struct dirent64 *de;
4663: int len = ret;
4664: int reclen;
4665: de = dirp;
4666: while (len > 0) {
4667: reclen = de->d_reclen;
4668: if (reclen > len)
4669: break;
4670: de->d_reclen = tswap16(reclen);
1.1.1.6 ! root 4671: tswap64s((uint64_t *)&de->d_ino);
! 4672: tswap64s((uint64_t *)&de->d_off);
1.1 root 4673: de = (struct dirent64 *)((char *)de + reclen);
4674: len -= reclen;
4675: }
4676: }
1.1.1.3 root 4677: unlock_user(dirp, arg2, ret);
1.1 root 4678: }
4679: break;
4680: #endif /* TARGET_NR_getdents64 */
1.1.1.6 ! root 4681: #ifdef TARGET_NR__newselect
1.1 root 4682: case TARGET_NR__newselect:
1.1.1.3 root 4683: ret = do_select(arg1, arg2, arg3, arg4, arg5);
1.1 root 4684: break;
1.1.1.6 ! root 4685: #endif
! 4686: #ifdef TARGET_NR_poll
1.1 root 4687: case TARGET_NR_poll:
4688: {
1.1.1.3 root 4689: struct target_pollfd *target_pfd;
1.1 root 4690: unsigned int nfds = arg2;
4691: int timeout = arg3;
4692: struct pollfd *pfd;
4693: unsigned int i;
4694:
1.1.1.6 ! root 4695: target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
! 4696: if (!target_pfd)
! 4697: goto efault;
1.1 root 4698: pfd = alloca(sizeof(struct pollfd) * nfds);
4699: for(i = 0; i < nfds; i++) {
4700: pfd[i].fd = tswap32(target_pfd[i].fd);
4701: pfd[i].events = tswap16(target_pfd[i].events);
4702: }
4703: ret = get_errno(poll(pfd, nfds, timeout));
4704: if (!is_error(ret)) {
4705: for(i = 0; i < nfds; i++) {
4706: target_pfd[i].revents = tswap16(pfd[i].revents);
4707: }
1.1.1.3 root 4708: ret += nfds * (sizeof(struct target_pollfd)
4709: - sizeof(struct pollfd));
1.1 root 4710: }
1.1.1.3 root 4711: unlock_user(target_pfd, arg1, ret);
1.1 root 4712: }
4713: break;
1.1.1.6 ! root 4714: #endif
1.1 root 4715: case TARGET_NR_flock:
4716: /* NOTE: the flock constant seems to be the same for every
4717: Linux platform */
4718: ret = get_errno(flock(arg1, arg2));
4719: break;
4720: case TARGET_NR_readv:
4721: {
4722: int count = arg3;
4723: struct iovec *vec;
4724:
4725: vec = alloca(count * sizeof(struct iovec));
1.1.1.6 ! root 4726: lock_iovec(VERIFY_WRITE, vec, arg2, count, 0);
1.1 root 4727: ret = get_errno(readv(arg1, vec, count));
1.1.1.3 root 4728: unlock_iovec(vec, arg2, count, 1);
1.1 root 4729: }
4730: break;
4731: case TARGET_NR_writev:
4732: {
4733: int count = arg3;
4734: struct iovec *vec;
4735:
4736: vec = alloca(count * sizeof(struct iovec));
1.1.1.6 ! root 4737: lock_iovec(VERIFY_READ, vec, arg2, count, 1);
1.1 root 4738: ret = get_errno(writev(arg1, vec, count));
1.1.1.3 root 4739: unlock_iovec(vec, arg2, count, 0);
1.1 root 4740: }
4741: break;
4742: case TARGET_NR_getsid:
4743: ret = get_errno(getsid(arg1));
4744: break;
1.1.1.6 ! root 4745: #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
1.1 root 4746: case TARGET_NR_fdatasync:
4747: ret = get_errno(fdatasync(arg1));
4748: break;
1.1.1.6 ! root 4749: #endif
1.1 root 4750: case TARGET_NR__sysctl:
1.1.1.6 ! root 4751: /* We don't implement this, but ENOTDIR is always a safe
1.1 root 4752: return value. */
1.1.1.6 ! root 4753: ret = -TARGET_ENOTDIR;
! 4754: break;
1.1 root 4755: case TARGET_NR_sched_setparam:
4756: {
1.1.1.3 root 4757: struct sched_param *target_schp;
1.1 root 4758: struct sched_param schp;
1.1.1.3 root 4759:
1.1.1.6 ! root 4760: if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
! 4761: goto efault;
1.1 root 4762: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 4763: unlock_user_struct(target_schp, arg2, 0);
1.1 root 4764: ret = get_errno(sched_setparam(arg1, &schp));
4765: }
4766: break;
4767: case TARGET_NR_sched_getparam:
4768: {
1.1.1.3 root 4769: struct sched_param *target_schp;
1.1 root 4770: struct sched_param schp;
4771: ret = get_errno(sched_getparam(arg1, &schp));
4772: if (!is_error(ret)) {
1.1.1.6 ! root 4773: if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
! 4774: goto efault;
1.1 root 4775: target_schp->sched_priority = tswap32(schp.sched_priority);
1.1.1.3 root 4776: unlock_user_struct(target_schp, arg2, 1);
1.1 root 4777: }
4778: }
4779: break;
4780: case TARGET_NR_sched_setscheduler:
4781: {
1.1.1.3 root 4782: struct sched_param *target_schp;
1.1 root 4783: struct sched_param schp;
1.1.1.6 ! root 4784: if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
! 4785: goto efault;
1.1 root 4786: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 4787: unlock_user_struct(target_schp, arg3, 0);
1.1 root 4788: ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
4789: }
4790: break;
4791: case TARGET_NR_sched_getscheduler:
4792: ret = get_errno(sched_getscheduler(arg1));
4793: break;
4794: case TARGET_NR_sched_yield:
4795: ret = get_errno(sched_yield());
4796: break;
4797: case TARGET_NR_sched_get_priority_max:
4798: ret = get_errno(sched_get_priority_max(arg1));
4799: break;
4800: case TARGET_NR_sched_get_priority_min:
4801: ret = get_errno(sched_get_priority_min(arg1));
4802: break;
4803: case TARGET_NR_sched_rr_get_interval:
4804: {
4805: struct timespec ts;
4806: ret = get_errno(sched_rr_get_interval(arg1, &ts));
4807: if (!is_error(ret)) {
1.1.1.3 root 4808: host_to_target_timespec(arg2, &ts);
1.1 root 4809: }
4810: }
4811: break;
4812: case TARGET_NR_nanosleep:
4813: {
4814: struct timespec req, rem;
1.1.1.3 root 4815: target_to_host_timespec(&req, arg1);
1.1 root 4816: ret = get_errno(nanosleep(&req, &rem));
1.1.1.3 root 4817: if (is_error(ret) && arg2) {
4818: host_to_target_timespec(arg2, &rem);
1.1 root 4819: }
4820: }
4821: break;
1.1.1.6 ! root 4822: #ifdef TARGET_NR_query_module
1.1 root 4823: case TARGET_NR_query_module:
4824: goto unimplemented;
1.1.1.6 ! root 4825: #endif
! 4826: #ifdef TARGET_NR_nfsservctl
1.1 root 4827: case TARGET_NR_nfsservctl:
4828: goto unimplemented;
1.1.1.6 ! root 4829: #endif
1.1 root 4830: case TARGET_NR_prctl:
1.1.1.6 ! root 4831: switch (arg1)
! 4832: {
! 4833: case PR_GET_PDEATHSIG:
! 4834: {
! 4835: int deathsig;
! 4836: ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
! 4837: if (!is_error(ret) && arg2
! 4838: && put_user_ual(deathsig, arg2))
! 4839: goto efault;
! 4840: }
! 4841: break;
! 4842: default:
! 4843: ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
! 4844: break;
! 4845: }
! 4846: break;
! 4847: #ifdef TARGET_NR_arch_prctl
! 4848: case TARGET_NR_arch_prctl:
! 4849: #if defined(TARGET_I386) && !defined(TARGET_ABI32)
! 4850: ret = do_arch_prctl(cpu_env, arg1, arg2);
! 4851: break;
! 4852: #else
1.1 root 4853: goto unimplemented;
1.1.1.6 ! root 4854: #endif
! 4855: #endif
1.1 root 4856: #ifdef TARGET_NR_pread
4857: case TARGET_NR_pread:
1.1.1.6 ! root 4858: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
! 4859: goto efault;
1.1.1.3 root 4860: ret = get_errno(pread(arg1, p, arg3, arg4));
4861: unlock_user(p, arg2, ret);
1.1 root 4862: break;
4863: case TARGET_NR_pwrite:
1.1.1.6 ! root 4864: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
! 4865: goto efault;
1.1.1.3 root 4866: ret = get_errno(pwrite(arg1, p, arg3, arg4));
4867: unlock_user(p, arg2, 0);
1.1 root 4868: break;
4869: #endif
4870: case TARGET_NR_getcwd:
1.1.1.6 ! root 4871: if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
! 4872: goto efault;
1.1.1.3 root 4873: ret = get_errno(sys_getcwd1(p, arg2));
4874: unlock_user(p, arg1, ret);
1.1 root 4875: break;
4876: case TARGET_NR_capget:
4877: goto unimplemented;
4878: case TARGET_NR_capset:
4879: goto unimplemented;
4880: case TARGET_NR_sigaltstack:
1.1.1.6 ! root 4881: #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
! 4882: defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
! 4883: ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
! 4884: break;
! 4885: #else
1.1 root 4886: goto unimplemented;
1.1.1.6 ! root 4887: #endif
1.1 root 4888: case TARGET_NR_sendfile:
4889: goto unimplemented;
4890: #ifdef TARGET_NR_getpmsg
4891: case TARGET_NR_getpmsg:
4892: goto unimplemented;
4893: #endif
4894: #ifdef TARGET_NR_putpmsg
4895: case TARGET_NR_putpmsg:
4896: goto unimplemented;
4897: #endif
1.1.1.2 root 4898: #ifdef TARGET_NR_vfork
1.1 root 4899: case TARGET_NR_vfork:
4900: ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
4901: break;
1.1.1.2 root 4902: #endif
1.1 root 4903: #ifdef TARGET_NR_ugetrlimit
4904: case TARGET_NR_ugetrlimit:
4905: {
4906: struct rlimit rlim;
4907: ret = get_errno(getrlimit(arg1, &rlim));
4908: if (!is_error(ret)) {
1.1.1.3 root 4909: struct target_rlimit *target_rlim;
1.1.1.6 ! root 4910: if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
! 4911: goto efault;
1.1 root 4912: target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4913: target_rlim->rlim_max = tswapl(rlim.rlim_max);
1.1.1.3 root 4914: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 4915: }
4916: break;
4917: }
4918: #endif
4919: #ifdef TARGET_NR_truncate64
4920: case TARGET_NR_truncate64:
1.1.1.6 ! root 4921: if (!(p = lock_user_string(arg1)))
! 4922: goto efault;
1.1.1.3 root 4923: ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4924: unlock_user(p, arg1, 0);
1.1 root 4925: break;
4926: #endif
4927: #ifdef TARGET_NR_ftruncate64
4928: case TARGET_NR_ftruncate64:
1.1.1.3 root 4929: ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
1.1 root 4930: break;
4931: #endif
4932: #ifdef TARGET_NR_stat64
4933: case TARGET_NR_stat64:
1.1.1.6 ! root 4934: if (!(p = lock_user_string(arg1)))
! 4935: goto efault;
1.1.1.3 root 4936: ret = get_errno(stat(path(p), &st));
4937: unlock_user(p, arg1, 0);
1.1 root 4938: goto do_stat64;
4939: #endif
4940: #ifdef TARGET_NR_lstat64
4941: case TARGET_NR_lstat64:
1.1.1.6 ! root 4942: if (!(p = lock_user_string(arg1)))
! 4943: goto efault;
1.1.1.3 root 4944: ret = get_errno(lstat(path(p), &st));
4945: unlock_user(p, arg1, 0);
1.1 root 4946: goto do_stat64;
4947: #endif
4948: #ifdef TARGET_NR_fstat64
4949: case TARGET_NR_fstat64:
4950: {
4951: ret = get_errno(fstat(arg1, &st));
4952: do_stat64:
4953: if (!is_error(ret)) {
1.1.1.3 root 4954: #ifdef TARGET_ARM
4955: if (((CPUARMState *)cpu_env)->eabi) {
4956: struct target_eabi_stat64 *target_st;
1.1.1.6 ! root 4957:
! 4958: if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
! 4959: goto efault;
1.1.1.3 root 4960: memset(target_st, 0, sizeof(struct target_eabi_stat64));
1.1.1.6 ! root 4961: __put_user(st.st_dev, &target_st->st_dev);
! 4962: __put_user(st.st_ino, &target_st->st_ino);
1.1.1.3 root 4963: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
1.1.1.6 ! root 4964: __put_user(st.st_ino, &target_st->__st_ino);
1.1.1.3 root 4965: #endif
1.1.1.6 ! root 4966: __put_user(st.st_mode, &target_st->st_mode);
! 4967: __put_user(st.st_nlink, &target_st->st_nlink);
! 4968: __put_user(st.st_uid, &target_st->st_uid);
! 4969: __put_user(st.st_gid, &target_st->st_gid);
! 4970: __put_user(st.st_rdev, &target_st->st_rdev);
! 4971: __put_user(st.st_size, &target_st->st_size);
! 4972: __put_user(st.st_blksize, &target_st->st_blksize);
! 4973: __put_user(st.st_blocks, &target_st->st_blocks);
! 4974: __put_user(st.st_atime, &target_st->target_st_atime);
! 4975: __put_user(st.st_mtime, &target_st->target_st_mtime);
! 4976: __put_user(st.st_ctime, &target_st->target_st_ctime);
! 4977: unlock_user_struct(target_st, arg2, 1);
1.1.1.3 root 4978: } else
4979: #endif
4980: {
4981: struct target_stat64 *target_st;
1.1.1.6 ! root 4982:
! 4983: if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
! 4984: goto efault;
1.1.1.3 root 4985: memset(target_st, 0, sizeof(struct target_stat64));
1.1.1.6 ! root 4986: __put_user(st.st_dev, &target_st->st_dev);
! 4987: __put_user(st.st_ino, &target_st->st_ino);
1.1 root 4988: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
1.1.1.6 ! root 4989: __put_user(st.st_ino, &target_st->__st_ino);
1.1 root 4990: #endif
1.1.1.6 ! root 4991: __put_user(st.st_mode, &target_st->st_mode);
! 4992: __put_user(st.st_nlink, &target_st->st_nlink);
! 4993: __put_user(st.st_uid, &target_st->st_uid);
! 4994: __put_user(st.st_gid, &target_st->st_gid);
! 4995: __put_user(st.st_rdev, &target_st->st_rdev);
1.1.1.3 root 4996: /* XXX: better use of kernel struct */
1.1.1.6 ! root 4997: __put_user(st.st_size, &target_st->st_size);
! 4998: __put_user(st.st_blksize, &target_st->st_blksize);
! 4999: __put_user(st.st_blocks, &target_st->st_blocks);
! 5000: __put_user(st.st_atime, &target_st->target_st_atime);
! 5001: __put_user(st.st_mtime, &target_st->target_st_mtime);
! 5002: __put_user(st.st_ctime, &target_st->target_st_ctime);
! 5003: unlock_user_struct(target_st, arg2, 1);
1.1.1.3 root 5004: }
1.1 root 5005: }
5006: }
5007: break;
5008: #endif
5009: #ifdef USE_UID16
5010: case TARGET_NR_lchown:
1.1.1.6 ! root 5011: if (!(p = lock_user_string(arg1)))
! 5012: goto efault;
1.1.1.3 root 5013: ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
5014: unlock_user(p, arg1, 0);
1.1 root 5015: break;
5016: case TARGET_NR_getuid:
5017: ret = get_errno(high2lowuid(getuid()));
5018: break;
5019: case TARGET_NR_getgid:
5020: ret = get_errno(high2lowgid(getgid()));
5021: break;
5022: case TARGET_NR_geteuid:
5023: ret = get_errno(high2lowuid(geteuid()));
5024: break;
5025: case TARGET_NR_getegid:
5026: ret = get_errno(high2lowgid(getegid()));
5027: break;
5028: case TARGET_NR_setreuid:
5029: ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
5030: break;
5031: case TARGET_NR_setregid:
5032: ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
5033: break;
5034: case TARGET_NR_getgroups:
5035: {
5036: int gidsetsize = arg1;
1.1.1.3 root 5037: uint16_t *target_grouplist;
1.1 root 5038: gid_t *grouplist;
5039: int i;
5040:
5041: grouplist = alloca(gidsetsize * sizeof(gid_t));
5042: ret = get_errno(getgroups(gidsetsize, grouplist));
5043: if (!is_error(ret)) {
1.1.1.6 ! root 5044: target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
! 5045: if (!target_grouplist)
! 5046: goto efault;
1.1 root 5047: for(i = 0;i < gidsetsize; i++)
5048: target_grouplist[i] = tswap16(grouplist[i]);
1.1.1.3 root 5049: unlock_user(target_grouplist, arg2, gidsetsize * 2);
1.1 root 5050: }
5051: }
5052: break;
5053: case TARGET_NR_setgroups:
5054: {
5055: int gidsetsize = arg1;
1.1.1.3 root 5056: uint16_t *target_grouplist;
1.1 root 5057: gid_t *grouplist;
5058: int i;
5059:
5060: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.6 ! root 5061: target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
! 5062: if (!target_grouplist) {
! 5063: ret = -TARGET_EFAULT;
! 5064: goto fail;
! 5065: }
1.1 root 5066: for(i = 0;i < gidsetsize; i++)
5067: grouplist[i] = tswap16(target_grouplist[i]);
1.1.1.3 root 5068: unlock_user(target_grouplist, arg2, 0);
1.1 root 5069: ret = get_errno(setgroups(gidsetsize, grouplist));
5070: }
5071: break;
5072: case TARGET_NR_fchown:
5073: ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
5074: break;
1.1.1.6 ! root 5075: #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
! 5076: case TARGET_NR_fchownat:
! 5077: if (!(p = lock_user_string(arg2)))
! 5078: goto efault;
! 5079: ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
! 5080: unlock_user(p, arg2, 0);
! 5081: break;
! 5082: #endif
1.1 root 5083: #ifdef TARGET_NR_setresuid
5084: case TARGET_NR_setresuid:
1.1.1.6 ! root 5085: ret = get_errno(setresuid(low2highuid(arg1),
! 5086: low2highuid(arg2),
1.1 root 5087: low2highuid(arg3)));
5088: break;
5089: #endif
5090: #ifdef TARGET_NR_getresuid
5091: case TARGET_NR_getresuid:
5092: {
1.1.1.3 root 5093: uid_t ruid, euid, suid;
1.1 root 5094: ret = get_errno(getresuid(&ruid, &euid, &suid));
5095: if (!is_error(ret)) {
1.1.1.6 ! root 5096: if (put_user_u16(high2lowuid(ruid), arg1)
! 5097: || put_user_u16(high2lowuid(euid), arg2)
! 5098: || put_user_u16(high2lowuid(suid), arg3))
! 5099: goto efault;
1.1 root 5100: }
5101: }
5102: break;
5103: #endif
5104: #ifdef TARGET_NR_getresgid
5105: case TARGET_NR_setresgid:
1.1.1.6 ! root 5106: ret = get_errno(setresgid(low2highgid(arg1),
! 5107: low2highgid(arg2),
1.1 root 5108: low2highgid(arg3)));
5109: break;
5110: #endif
5111: #ifdef TARGET_NR_getresgid
5112: case TARGET_NR_getresgid:
5113: {
1.1.1.3 root 5114: gid_t rgid, egid, sgid;
1.1 root 5115: ret = get_errno(getresgid(&rgid, &egid, &sgid));
5116: if (!is_error(ret)) {
1.1.1.6 ! root 5117: if (put_user_u16(high2lowgid(rgid), arg1)
! 5118: || put_user_u16(high2lowgid(egid), arg2)
! 5119: || put_user_u16(high2lowgid(sgid), arg3))
! 5120: goto efault;
1.1 root 5121: }
5122: }
5123: break;
5124: #endif
5125: case TARGET_NR_chown:
1.1.1.6 ! root 5126: if (!(p = lock_user_string(arg1)))
! 5127: goto efault;
1.1.1.3 root 5128: ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
5129: unlock_user(p, arg1, 0);
1.1 root 5130: break;
5131: case TARGET_NR_setuid:
5132: ret = get_errno(setuid(low2highuid(arg1)));
5133: break;
5134: case TARGET_NR_setgid:
5135: ret = get_errno(setgid(low2highgid(arg1)));
5136: break;
5137: case TARGET_NR_setfsuid:
5138: ret = get_errno(setfsuid(arg1));
5139: break;
5140: case TARGET_NR_setfsgid:
5141: ret = get_errno(setfsgid(arg1));
5142: break;
5143: #endif /* USE_UID16 */
5144:
5145: #ifdef TARGET_NR_lchown32
5146: case TARGET_NR_lchown32:
1.1.1.6 ! root 5147: if (!(p = lock_user_string(arg1)))
! 5148: goto efault;
1.1.1.3 root 5149: ret = get_errno(lchown(p, arg2, arg3));
5150: unlock_user(p, arg1, 0);
1.1 root 5151: break;
5152: #endif
5153: #ifdef TARGET_NR_getuid32
5154: case TARGET_NR_getuid32:
5155: ret = get_errno(getuid());
5156: break;
5157: #endif
5158: #ifdef TARGET_NR_getgid32
5159: case TARGET_NR_getgid32:
5160: ret = get_errno(getgid());
5161: break;
5162: #endif
5163: #ifdef TARGET_NR_geteuid32
5164: case TARGET_NR_geteuid32:
5165: ret = get_errno(geteuid());
5166: break;
5167: #endif
5168: #ifdef TARGET_NR_getegid32
5169: case TARGET_NR_getegid32:
5170: ret = get_errno(getegid());
5171: break;
5172: #endif
5173: #ifdef TARGET_NR_setreuid32
5174: case TARGET_NR_setreuid32:
5175: ret = get_errno(setreuid(arg1, arg2));
5176: break;
5177: #endif
5178: #ifdef TARGET_NR_setregid32
5179: case TARGET_NR_setregid32:
5180: ret = get_errno(setregid(arg1, arg2));
5181: break;
5182: #endif
5183: #ifdef TARGET_NR_getgroups32
5184: case TARGET_NR_getgroups32:
5185: {
5186: int gidsetsize = arg1;
1.1.1.3 root 5187: uint32_t *target_grouplist;
1.1 root 5188: gid_t *grouplist;
5189: int i;
5190:
5191: grouplist = alloca(gidsetsize * sizeof(gid_t));
5192: ret = get_errno(getgroups(gidsetsize, grouplist));
5193: if (!is_error(ret)) {
1.1.1.6 ! root 5194: target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
! 5195: if (!target_grouplist) {
! 5196: ret = -TARGET_EFAULT;
! 5197: goto fail;
! 5198: }
1.1 root 5199: for(i = 0;i < gidsetsize; i++)
1.1.1.3 root 5200: target_grouplist[i] = tswap32(grouplist[i]);
5201: unlock_user(target_grouplist, arg2, gidsetsize * 4);
1.1 root 5202: }
5203: }
5204: break;
5205: #endif
5206: #ifdef TARGET_NR_setgroups32
5207: case TARGET_NR_setgroups32:
5208: {
5209: int gidsetsize = arg1;
1.1.1.3 root 5210: uint32_t *target_grouplist;
1.1 root 5211: gid_t *grouplist;
5212: int i;
1.1.1.6 ! root 5213:
1.1 root 5214: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.6 ! root 5215: target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
! 5216: if (!target_grouplist) {
! 5217: ret = -TARGET_EFAULT;
! 5218: goto fail;
! 5219: }
1.1 root 5220: for(i = 0;i < gidsetsize; i++)
1.1.1.3 root 5221: grouplist[i] = tswap32(target_grouplist[i]);
5222: unlock_user(target_grouplist, arg2, 0);
1.1 root 5223: ret = get_errno(setgroups(gidsetsize, grouplist));
5224: }
5225: break;
5226: #endif
5227: #ifdef TARGET_NR_fchown32
5228: case TARGET_NR_fchown32:
5229: ret = get_errno(fchown(arg1, arg2, arg3));
5230: break;
5231: #endif
5232: #ifdef TARGET_NR_setresuid32
5233: case TARGET_NR_setresuid32:
5234: ret = get_errno(setresuid(arg1, arg2, arg3));
5235: break;
5236: #endif
5237: #ifdef TARGET_NR_getresuid32
5238: case TARGET_NR_getresuid32:
5239: {
1.1.1.3 root 5240: uid_t ruid, euid, suid;
1.1 root 5241: ret = get_errno(getresuid(&ruid, &euid, &suid));
5242: if (!is_error(ret)) {
1.1.1.6 ! root 5243: if (put_user_u32(ruid, arg1)
! 5244: || put_user_u32(euid, arg2)
! 5245: || put_user_u32(suid, arg3))
! 5246: goto efault;
1.1 root 5247: }
5248: }
5249: break;
5250: #endif
5251: #ifdef TARGET_NR_setresgid32
5252: case TARGET_NR_setresgid32:
5253: ret = get_errno(setresgid(arg1, arg2, arg3));
5254: break;
5255: #endif
5256: #ifdef TARGET_NR_getresgid32
5257: case TARGET_NR_getresgid32:
5258: {
1.1.1.3 root 5259: gid_t rgid, egid, sgid;
1.1 root 5260: ret = get_errno(getresgid(&rgid, &egid, &sgid));
5261: if (!is_error(ret)) {
1.1.1.6 ! root 5262: if (put_user_u32(rgid, arg1)
! 5263: || put_user_u32(egid, arg2)
! 5264: || put_user_u32(sgid, arg3))
! 5265: goto efault;
1.1 root 5266: }
5267: }
5268: break;
5269: #endif
5270: #ifdef TARGET_NR_chown32
5271: case TARGET_NR_chown32:
1.1.1.6 ! root 5272: if (!(p = lock_user_string(arg1)))
! 5273: goto efault;
1.1.1.3 root 5274: ret = get_errno(chown(p, arg2, arg3));
5275: unlock_user(p, arg1, 0);
1.1 root 5276: break;
5277: #endif
5278: #ifdef TARGET_NR_setuid32
5279: case TARGET_NR_setuid32:
5280: ret = get_errno(setuid(arg1));
5281: break;
5282: #endif
5283: #ifdef TARGET_NR_setgid32
5284: case TARGET_NR_setgid32:
5285: ret = get_errno(setgid(arg1));
5286: break;
5287: #endif
5288: #ifdef TARGET_NR_setfsuid32
5289: case TARGET_NR_setfsuid32:
5290: ret = get_errno(setfsuid(arg1));
5291: break;
5292: #endif
5293: #ifdef TARGET_NR_setfsgid32
5294: case TARGET_NR_setfsgid32:
5295: ret = get_errno(setfsgid(arg1));
5296: break;
5297: #endif
5298:
5299: case TARGET_NR_pivot_root:
5300: goto unimplemented;
5301: #ifdef TARGET_NR_mincore
5302: case TARGET_NR_mincore:
5303: goto unimplemented;
5304: #endif
5305: #ifdef TARGET_NR_madvise
5306: case TARGET_NR_madvise:
1.1.1.3 root 5307: /* A straight passthrough may not be safe because qemu sometimes
5308: turns private flie-backed mappings into anonymous mappings.
5309: This will break MADV_DONTNEED.
5310: This is a hint, so ignoring and returning success is ok. */
5311: ret = get_errno(0);
5312: break;
1.1 root 5313: #endif
1.1.1.6 ! root 5314: #if TARGET_ABI_BITS == 32
1.1 root 5315: case TARGET_NR_fcntl64:
5316: {
1.1.1.6 ! root 5317: int cmd;
1.1 root 5318: struct flock64 fl;
1.1.1.3 root 5319: struct target_flock64 *target_fl;
5320: #ifdef TARGET_ARM
5321: struct target_eabi_flock64 *target_efl;
5322: #endif
1.1 root 5323:
1.1.1.6 ! root 5324: switch(arg2){
! 5325: case TARGET_F_GETLK64:
! 5326: cmd = F_GETLK64;
! 5327: break;
! 5328: case TARGET_F_SETLK64:
! 5329: cmd = F_SETLK64;
! 5330: break;
! 5331: case TARGET_F_SETLKW64:
! 5332: cmd = F_SETLK64;
! 5333: break;
! 5334: default:
! 5335: cmd = arg2;
! 5336: break;
! 5337: }
! 5338:
1.1 root 5339: switch(arg2) {
1.1.1.6 ! root 5340: case TARGET_F_GETLK64:
! 5341: #ifdef TARGET_ARM
! 5342: if (((CPUARMState *)cpu_env)->eabi) {
! 5343: if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
! 5344: goto efault;
! 5345: fl.l_type = tswap16(target_efl->l_type);
! 5346: fl.l_whence = tswap16(target_efl->l_whence);
! 5347: fl.l_start = tswap64(target_efl->l_start);
! 5348: fl.l_len = tswap64(target_efl->l_len);
! 5349: fl.l_pid = tswapl(target_efl->l_pid);
! 5350: unlock_user_struct(target_efl, arg3, 0);
! 5351: } else
! 5352: #endif
! 5353: {
! 5354: if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
! 5355: goto efault;
! 5356: fl.l_type = tswap16(target_fl->l_type);
! 5357: fl.l_whence = tswap16(target_fl->l_whence);
! 5358: fl.l_start = tswap64(target_fl->l_start);
! 5359: fl.l_len = tswap64(target_fl->l_len);
! 5360: fl.l_pid = tswapl(target_fl->l_pid);
! 5361: unlock_user_struct(target_fl, arg3, 0);
! 5362: }
! 5363: ret = get_errno(fcntl(arg1, cmd, &fl));
1.1 root 5364: if (ret == 0) {
1.1.1.3 root 5365: #ifdef TARGET_ARM
5366: if (((CPUARMState *)cpu_env)->eabi) {
1.1.1.6 ! root 5367: if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
! 5368: goto efault;
1.1.1.3 root 5369: target_efl->l_type = tswap16(fl.l_type);
5370: target_efl->l_whence = tswap16(fl.l_whence);
5371: target_efl->l_start = tswap64(fl.l_start);
5372: target_efl->l_len = tswap64(fl.l_len);
5373: target_efl->l_pid = tswapl(fl.l_pid);
5374: unlock_user_struct(target_efl, arg3, 1);
5375: } else
5376: #endif
5377: {
1.1.1.6 ! root 5378: if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
! 5379: goto efault;
1.1.1.3 root 5380: target_fl->l_type = tswap16(fl.l_type);
5381: target_fl->l_whence = tswap16(fl.l_whence);
5382: target_fl->l_start = tswap64(fl.l_start);
5383: target_fl->l_len = tswap64(fl.l_len);
5384: target_fl->l_pid = tswapl(fl.l_pid);
5385: unlock_user_struct(target_fl, arg3, 1);
5386: }
1.1 root 5387: }
5388: break;
5389:
1.1.1.6 ! root 5390: case TARGET_F_SETLK64:
! 5391: case TARGET_F_SETLKW64:
1.1.1.3 root 5392: #ifdef TARGET_ARM
5393: if (((CPUARMState *)cpu_env)->eabi) {
1.1.1.6 ! root 5394: if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
! 5395: goto efault;
1.1.1.3 root 5396: fl.l_type = tswap16(target_efl->l_type);
5397: fl.l_whence = tswap16(target_efl->l_whence);
5398: fl.l_start = tswap64(target_efl->l_start);
5399: fl.l_len = tswap64(target_efl->l_len);
5400: fl.l_pid = tswapl(target_efl->l_pid);
5401: unlock_user_struct(target_efl, arg3, 0);
5402: } else
5403: #endif
5404: {
1.1.1.6 ! root 5405: if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
! 5406: goto efault;
1.1.1.3 root 5407: fl.l_type = tswap16(target_fl->l_type);
5408: fl.l_whence = tswap16(target_fl->l_whence);
5409: fl.l_start = tswap64(target_fl->l_start);
5410: fl.l_len = tswap64(target_fl->l_len);
5411: fl.l_pid = tswapl(target_fl->l_pid);
5412: unlock_user_struct(target_fl, arg3, 0);
5413: }
1.1.1.6 ! root 5414: ret = get_errno(fcntl(arg1, cmd, &fl));
1.1 root 5415: break;
5416: default:
1.1.1.6 ! root 5417: ret = do_fcntl(arg1, cmd, arg3);
1.1 root 5418: break;
5419: }
5420: break;
5421: }
5422: #endif
1.1.1.5 root 5423: #ifdef TARGET_NR_cacheflush
5424: case TARGET_NR_cacheflush:
5425: /* self-modifying code is handled automatically, so nothing needed */
5426: ret = 0;
5427: break;
5428: #endif
1.1 root 5429: #ifdef TARGET_NR_security
5430: case TARGET_NR_security:
5431: goto unimplemented;
5432: #endif
5433: #ifdef TARGET_NR_getpagesize
5434: case TARGET_NR_getpagesize:
5435: ret = TARGET_PAGE_SIZE;
5436: break;
5437: #endif
5438: case TARGET_NR_gettid:
5439: ret = get_errno(gettid());
5440: break;
1.1.1.6 ! root 5441: #ifdef TARGET_NR_readahead
1.1 root 5442: case TARGET_NR_readahead:
5443: goto unimplemented;
1.1.1.6 ! root 5444: #endif
1.1 root 5445: #ifdef TARGET_NR_setxattr
5446: case TARGET_NR_setxattr:
5447: case TARGET_NR_lsetxattr:
5448: case TARGET_NR_fsetxattr:
5449: case TARGET_NR_getxattr:
5450: case TARGET_NR_lgetxattr:
5451: case TARGET_NR_fgetxattr:
5452: case TARGET_NR_listxattr:
5453: case TARGET_NR_llistxattr:
5454: case TARGET_NR_flistxattr:
5455: case TARGET_NR_removexattr:
5456: case TARGET_NR_lremovexattr:
5457: case TARGET_NR_fremovexattr:
5458: goto unimplemented_nowarn;
5459: #endif
5460: #ifdef TARGET_NR_set_thread_area
5461: case TARGET_NR_set_thread_area:
1.1.1.6 ! root 5462: #if defined(TARGET_MIPS)
! 5463: ((CPUMIPSState *) cpu_env)->tls_value = arg1;
! 5464: ret = 0;
! 5465: break;
! 5466: #elif defined(TARGET_I386) && defined(TARGET_ABI32)
! 5467: ret = do_set_thread_area(cpu_env, arg1);
! 5468: break;
! 5469: #else
! 5470: goto unimplemented_nowarn;
! 5471: #endif
! 5472: #endif
! 5473: #ifdef TARGET_NR_get_thread_area
1.1 root 5474: case TARGET_NR_get_thread_area:
1.1.1.6 ! root 5475: #if defined(TARGET_I386) && defined(TARGET_ABI32)
! 5476: ret = do_get_thread_area(cpu_env, arg1);
! 5477: #else
1.1 root 5478: goto unimplemented_nowarn;
5479: #endif
1.1.1.6 ! root 5480: #endif
1.1.1.4 root 5481: #ifdef TARGET_NR_getdomainname
5482: case TARGET_NR_getdomainname:
5483: goto unimplemented_nowarn;
5484: #endif
1.1.1.6 ! root 5485:
! 5486: #ifdef TARGET_NR_clock_gettime
! 5487: case TARGET_NR_clock_gettime:
! 5488: {
! 5489: struct timespec ts;
! 5490: ret = get_errno(clock_gettime(arg1, &ts));
! 5491: if (!is_error(ret)) {
! 5492: host_to_target_timespec(arg2, &ts);
! 5493: }
! 5494: break;
! 5495: }
! 5496: #endif
! 5497: #ifdef TARGET_NR_clock_getres
! 5498: case TARGET_NR_clock_getres:
! 5499: {
! 5500: struct timespec ts;
! 5501: ret = get_errno(clock_getres(arg1, &ts));
! 5502: if (!is_error(ret)) {
! 5503: host_to_target_timespec(arg2, &ts);
! 5504: }
! 5505: break;
! 5506: }
! 5507: #endif
! 5508:
! 5509: #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
! 5510: case TARGET_NR_set_tid_address:
! 5511: ret = get_errno(set_tid_address((int *)g2h(arg1)));
! 5512: break;
! 5513: #endif
! 5514:
! 5515: #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
! 5516: case TARGET_NR_tkill:
! 5517: ret = get_errno(sys_tkill((int)arg1, (int)arg2));
! 5518: break;
! 5519: #endif
! 5520:
! 5521: #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
! 5522: case TARGET_NR_tgkill:
! 5523: ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
! 5524: break;
! 5525: #endif
! 5526:
! 5527: #ifdef TARGET_NR_set_robust_list
! 5528: case TARGET_NR_set_robust_list:
! 5529: goto unimplemented_nowarn;
! 5530: #endif
! 5531:
! 5532: #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
! 5533: case TARGET_NR_utimensat:
! 5534: {
! 5535: struct timespec ts[2];
! 5536: target_to_host_timespec(ts, arg3);
! 5537: target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
! 5538: if (!arg2)
! 5539: ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
! 5540: else {
! 5541: if (!(p = lock_user_string(arg2))) {
! 5542: ret = -TARGET_EFAULT;
! 5543: goto fail;
! 5544: }
! 5545: ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4));
! 5546: unlock_user(p, arg2, 0);
! 5547: }
! 5548: }
! 5549: break;
! 5550: #endif
! 5551:
1.1 root 5552: default:
5553: unimplemented:
5554: gemu_log("qemu: Unsupported syscall: %d\n", num);
1.1.1.6 ! root 5555: #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
1.1 root 5556: unimplemented_nowarn:
5557: #endif
1.1.1.6 ! root 5558: ret = -TARGET_ENOSYS;
1.1 root 5559: break;
5560: }
1.1.1.6 ! root 5561: fail:
1.1 root 5562: #ifdef DEBUG
5563: gemu_log(" = %ld\n", ret);
5564: #endif
1.1.1.6 ! root 5565: if(do_strace)
! 5566: print_syscall_ret(num, ret);
1.1 root 5567: return ret;
1.1.1.6 ! root 5568: efault:
! 5569: ret = -TARGET_EFAULT;
! 5570: goto fail;
1.1 root 5571: }
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