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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
1.1.1.7 ! root 18: * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
! 19: * MA 02110-1301, USA.
1.1 root 20: */
21: #include <stdlib.h>
22: #include <stdio.h>
23: #include <stdarg.h>
24: #include <string.h>
25: #include <elf.h>
26: #include <endian.h>
27: #include <errno.h>
28: #include <unistd.h>
29: #include <fcntl.h>
30: #include <time.h>
1.1.1.7 ! root 31: #include <limits.h>
1.1 root 32: #include <sys/types.h>
1.1.1.6 root 33: #include <sys/ipc.h>
34: #include <sys/msg.h>
1.1 root 35: #include <sys/wait.h>
36: #include <sys/time.h>
37: #include <sys/stat.h>
38: #include <sys/mount.h>
1.1.1.6 root 39: #include <sys/prctl.h>
1.1 root 40: #include <sys/resource.h>
41: #include <sys/mman.h>
42: #include <sys/swap.h>
43: #include <signal.h>
44: #include <sched.h>
45: #include <sys/socket.h>
46: #include <sys/uio.h>
47: #include <sys/poll.h>
48: #include <sys/times.h>
49: #include <sys/shm.h>
1.1.1.5 root 50: #include <sys/sem.h>
1.1.1.2 root 51: #include <sys/statfs.h>
1.1 root 52: #include <utime.h>
53: #include <sys/sysinfo.h>
54: //#include <sys/user.h>
55: #include <netinet/ip.h>
56: #include <netinet/tcp.h>
1.1.1.7 ! root 57: #include <qemu-common.h>
! 58: #ifdef HAVE_GPROF
! 59: #include <sys/gmon.h>
! 60: #endif
1.1 root 61:
62: #define termios host_termios
63: #define winsize host_winsize
64: #define termio host_termio
65: #define sgttyb host_sgttyb /* same as target */
66: #define tchars host_tchars /* same as target */
67: #define ltchars host_ltchars /* same as target */
68:
69: #include <linux/termios.h>
70: #include <linux/unistd.h>
71: #include <linux/utsname.h>
72: #include <linux/cdrom.h>
73: #include <linux/hdreg.h>
74: #include <linux/soundcard.h>
75: #include <linux/kd.h>
1.1.1.7 ! root 76: #include <linux/mtio.h>
! 77: #include "linux_loop.h"
1.1 root 78:
79: #include "qemu.h"
1.1.1.7 ! root 80: #include "qemu-common.h"
! 81:
! 82: #if defined(USE_NPTL)
! 83: #include <linux/futex.h>
! 84: #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
! 85: CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
! 86: #else
! 87: /* XXX: Hardcode the above values. */
! 88: #define CLONE_NPTL_FLAGS2 0
! 89: #endif
1.1 root 90:
91: //#define DEBUG
92:
1.1.1.5 root 93: #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
1.1.1.6 root 94: || defined(TARGET_M68K) || defined(TARGET_SH4) || defined(TARGET_CRIS)
1.1 root 95: /* 16 bit uid wrappers emulation */
96: #define USE_UID16
97: #endif
98:
99: //#include <linux/msdos_fs.h>
1.1.1.7 ! root 100: #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
! 101: #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1.1 root 102:
103:
104: #undef _syscall0
105: #undef _syscall1
106: #undef _syscall2
107: #undef _syscall3
108: #undef _syscall4
109: #undef _syscall5
1.1.1.4 root 110: #undef _syscall6
1.1 root 111:
1.1.1.4 root 112: #define _syscall0(type,name) \
1.1.1.7 ! root 113: static type name (void) \
1.1.1.4 root 114: { \
115: return syscall(__NR_##name); \
116: }
117:
118: #define _syscall1(type,name,type1,arg1) \
1.1.1.7 ! root 119: static type name (type1 arg1) \
1.1.1.4 root 120: { \
121: return syscall(__NR_##name, arg1); \
122: }
123:
124: #define _syscall2(type,name,type1,arg1,type2,arg2) \
1.1.1.7 ! root 125: static type name (type1 arg1,type2 arg2) \
1.1.1.4 root 126: { \
127: return syscall(__NR_##name, arg1, arg2); \
128: }
129:
130: #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
1.1.1.7 ! root 131: static type name (type1 arg1,type2 arg2,type3 arg3) \
1.1.1.4 root 132: { \
133: return syscall(__NR_##name, arg1, arg2, arg3); \
134: }
135:
136: #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
1.1.1.7 ! root 137: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
1.1.1.4 root 138: { \
139: return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
1.1 root 140: }
1.1.1.4 root 141:
142: #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
143: type5,arg5) \
1.1.1.7 ! root 144: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
1.1.1.4 root 145: { \
146: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
147: }
148:
149:
150: #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
151: type5,arg5,type6,arg6) \
1.1.1.7 ! root 152: static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
! 153: type6 arg6) \
1.1.1.4 root 154: { \
155: return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
156: }
157:
1.1 root 158:
1.1.1.7 ! root 159: #define __NR_sys_exit __NR_exit
1.1 root 160: #define __NR_sys_uname __NR_uname
1.1.1.6 root 161: #define __NR_sys_faccessat __NR_faccessat
162: #define __NR_sys_fchmodat __NR_fchmodat
163: #define __NR_sys_fchownat __NR_fchownat
1.1.1.7 ! root 164: #define __NR_sys_fstatat64 __NR_fstatat64
! 165: #define __NR_sys_futimesat __NR_futimesat
1.1 root 166: #define __NR_sys_getcwd1 __NR_getcwd
167: #define __NR_sys_getdents __NR_getdents
168: #define __NR_sys_getdents64 __NR_getdents64
1.1.1.6 root 169: #define __NR_sys_getpriority __NR_getpriority
170: #define __NR_sys_linkat __NR_linkat
171: #define __NR_sys_mkdirat __NR_mkdirat
172: #define __NR_sys_mknodat __NR_mknodat
173: #define __NR_sys_openat __NR_openat
174: #define __NR_sys_readlinkat __NR_readlinkat
175: #define __NR_sys_renameat __NR_renameat
1.1 root 176: #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
1.1.1.6 root 177: #define __NR_sys_symlinkat __NR_symlinkat
178: #define __NR_sys_syslog __NR_syslog
179: #define __NR_sys_tgkill __NR_tgkill
180: #define __NR_sys_tkill __NR_tkill
181: #define __NR_sys_unlinkat __NR_unlinkat
182: #define __NR_sys_utimensat __NR_utimensat
1.1.1.7 ! root 183: #define __NR_sys_futex __NR_futex
! 184: #define __NR_sys_inotify_init __NR_inotify_init
! 185: #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
! 186: #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
1.1 root 187:
188: #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
189: #define __NR__llseek __NR_lseek
190: #endif
191:
192: #ifdef __NR_gettid
193: _syscall0(int, gettid)
194: #else
1.1.1.6 root 195: /* This is a replacement for the host gettid() and must return a host
196: errno. */
1.1 root 197: static int gettid(void) {
198: return -ENOSYS;
199: }
200: #endif
1.1.1.7 ! root 201: _syscall1(int,sys_exit,int,status)
1.1 root 202: _syscall1(int,sys_uname,struct new_utsname *,buf)
1.1.1.6 root 203: #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
204: _syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags)
205: #endif
206: #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
207: _syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname,
208: mode_t,mode,int,flags)
209: #endif
1.1.1.7 ! root 210: #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
1.1.1.6 root 211: _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
212: uid_t,owner,gid_t,group,int,flags)
213: #endif
1.1.1.7 ! root 214: #if defined(TARGET_NR_fstatat64) && defined(__NR_fstatat64)
! 215: _syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
! 216: struct stat *,buf,int,flags)
! 217: #endif
! 218: #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
! 219: _syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
! 220: const struct timeval *,times)
! 221: #endif
1.1 root 222: _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
1.1.1.7 ! root 223: #if TARGET_ABI_BITS == 32
! 224: _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
! 225: #endif
1.1.1.6 root 226: #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
1.1.1.7 ! root 227: _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
1.1.1.6 root 228: #endif
229: _syscall2(int, sys_getpriority, int, which, int, who);
1.1.1.7 ! root 230: #if !defined (__x86_64__)
1.1 root 231: _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
232: loff_t *, res, uint, wh);
1.1.1.7 ! root 233: #endif
1.1.1.6 root 234: #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
235: _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
236: int,newdirfd,const char *,newpath,int,flags)
237: #endif
238: #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
239: _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
240: #endif
241: #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
242: _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
243: mode_t,mode,dev_t,dev)
244: #endif
245: #if defined(TARGET_NR_openat) && defined(__NR_openat)
246: _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
247: #endif
248: #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
249: _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
250: char *,buf,size_t,bufsize)
251: #endif
252: #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
253: _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
254: int,newdirfd,const char *,newpath)
255: #endif
1.1 root 256: _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
1.1.1.6 root 257: #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
258: _syscall3(int,sys_symlinkat,const char *,oldpath,
259: int,newdirfd,const char *,newpath)
260: #endif
261: _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
262: #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
263: _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
264: #endif
265: #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
266: _syscall2(int,sys_tkill,int,tid,int,sig)
267: #endif
1.1 root 268: #ifdef __NR_exit_group
269: _syscall1(int,exit_group,int,error_code)
270: #endif
1.1.1.6 root 271: #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
272: _syscall1(int,set_tid_address,int *,tidptr)
273: #endif
274: #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
275: _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
276: #endif
277: #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
278: _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
279: const struct timespec *,tsp,int,flags)
280: #endif
1.1.1.7 ! root 281: #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
! 282: _syscall0(int,sys_inotify_init)
! 283: #endif
! 284: #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
! 285: _syscall3(int,sys_inotify_add_watch,int,fd,const char *,pathname,uint32_t,mask)
! 286: #endif
! 287: #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
! 288: _syscall2(int,sys_inotify_rm_watch,int,fd,uint32_t,wd)
! 289: #endif
! 290: #if defined(USE_NPTL)
! 291: #if defined(TARGET_NR_futex) && defined(__NR_futex)
! 292: _syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
! 293: const struct timespec *,timeout,int *,uaddr2,int,val3)
! 294: #endif
! 295: #endif
1.1 root 296:
297: extern int personality(int);
298: extern int flock(int, int);
299: extern int setfsuid(int);
300: extern int setfsgid(int);
301: extern int setgroups(int, gid_t *);
302:
1.1.1.6 root 303: #define ERRNO_TABLE_SIZE 1200
304:
305: /* target_to_host_errno_table[] is initialized from
306: * host_to_target_errno_table[] in syscall_init(). */
307: static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
308: };
309:
310: /*
311: * This list is the union of errno values overridden in asm-<arch>/errno.h
312: * minus the errnos that are not actually generic to all archs.
313: */
314: static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
315: [EIDRM] = TARGET_EIDRM,
316: [ECHRNG] = TARGET_ECHRNG,
317: [EL2NSYNC] = TARGET_EL2NSYNC,
318: [EL3HLT] = TARGET_EL3HLT,
319: [EL3RST] = TARGET_EL3RST,
320: [ELNRNG] = TARGET_ELNRNG,
321: [EUNATCH] = TARGET_EUNATCH,
322: [ENOCSI] = TARGET_ENOCSI,
323: [EL2HLT] = TARGET_EL2HLT,
324: [EDEADLK] = TARGET_EDEADLK,
325: [ENOLCK] = TARGET_ENOLCK,
326: [EBADE] = TARGET_EBADE,
327: [EBADR] = TARGET_EBADR,
328: [EXFULL] = TARGET_EXFULL,
329: [ENOANO] = TARGET_ENOANO,
330: [EBADRQC] = TARGET_EBADRQC,
331: [EBADSLT] = TARGET_EBADSLT,
332: [EBFONT] = TARGET_EBFONT,
333: [ENOSTR] = TARGET_ENOSTR,
334: [ENODATA] = TARGET_ENODATA,
335: [ETIME] = TARGET_ETIME,
336: [ENOSR] = TARGET_ENOSR,
337: [ENONET] = TARGET_ENONET,
338: [ENOPKG] = TARGET_ENOPKG,
339: [EREMOTE] = TARGET_EREMOTE,
340: [ENOLINK] = TARGET_ENOLINK,
341: [EADV] = TARGET_EADV,
342: [ESRMNT] = TARGET_ESRMNT,
343: [ECOMM] = TARGET_ECOMM,
344: [EPROTO] = TARGET_EPROTO,
345: [EDOTDOT] = TARGET_EDOTDOT,
346: [EMULTIHOP] = TARGET_EMULTIHOP,
347: [EBADMSG] = TARGET_EBADMSG,
348: [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
349: [EOVERFLOW] = TARGET_EOVERFLOW,
350: [ENOTUNIQ] = TARGET_ENOTUNIQ,
351: [EBADFD] = TARGET_EBADFD,
352: [EREMCHG] = TARGET_EREMCHG,
353: [ELIBACC] = TARGET_ELIBACC,
354: [ELIBBAD] = TARGET_ELIBBAD,
355: [ELIBSCN] = TARGET_ELIBSCN,
356: [ELIBMAX] = TARGET_ELIBMAX,
357: [ELIBEXEC] = TARGET_ELIBEXEC,
358: [EILSEQ] = TARGET_EILSEQ,
359: [ENOSYS] = TARGET_ENOSYS,
360: [ELOOP] = TARGET_ELOOP,
361: [ERESTART] = TARGET_ERESTART,
362: [ESTRPIPE] = TARGET_ESTRPIPE,
363: [ENOTEMPTY] = TARGET_ENOTEMPTY,
364: [EUSERS] = TARGET_EUSERS,
365: [ENOTSOCK] = TARGET_ENOTSOCK,
366: [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
367: [EMSGSIZE] = TARGET_EMSGSIZE,
368: [EPROTOTYPE] = TARGET_EPROTOTYPE,
369: [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
370: [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
371: [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
372: [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
373: [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
374: [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
375: [EADDRINUSE] = TARGET_EADDRINUSE,
376: [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
377: [ENETDOWN] = TARGET_ENETDOWN,
378: [ENETUNREACH] = TARGET_ENETUNREACH,
379: [ENETRESET] = TARGET_ENETRESET,
380: [ECONNABORTED] = TARGET_ECONNABORTED,
381: [ECONNRESET] = TARGET_ECONNRESET,
382: [ENOBUFS] = TARGET_ENOBUFS,
383: [EISCONN] = TARGET_EISCONN,
384: [ENOTCONN] = TARGET_ENOTCONN,
385: [EUCLEAN] = TARGET_EUCLEAN,
386: [ENOTNAM] = TARGET_ENOTNAM,
387: [ENAVAIL] = TARGET_ENAVAIL,
388: [EISNAM] = TARGET_EISNAM,
389: [EREMOTEIO] = TARGET_EREMOTEIO,
390: [ESHUTDOWN] = TARGET_ESHUTDOWN,
391: [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
392: [ETIMEDOUT] = TARGET_ETIMEDOUT,
393: [ECONNREFUSED] = TARGET_ECONNREFUSED,
394: [EHOSTDOWN] = TARGET_EHOSTDOWN,
395: [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
396: [EALREADY] = TARGET_EALREADY,
397: [EINPROGRESS] = TARGET_EINPROGRESS,
398: [ESTALE] = TARGET_ESTALE,
399: [ECANCELED] = TARGET_ECANCELED,
400: [ENOMEDIUM] = TARGET_ENOMEDIUM,
401: [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
402: #ifdef ENOKEY
403: [ENOKEY] = TARGET_ENOKEY,
404: #endif
405: #ifdef EKEYEXPIRED
406: [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
407: #endif
408: #ifdef EKEYREVOKED
409: [EKEYREVOKED] = TARGET_EKEYREVOKED,
410: #endif
411: #ifdef EKEYREJECTED
412: [EKEYREJECTED] = TARGET_EKEYREJECTED,
413: #endif
414: #ifdef EOWNERDEAD
415: [EOWNERDEAD] = TARGET_EOWNERDEAD,
416: #endif
417: #ifdef ENOTRECOVERABLE
418: [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
419: #endif
420: };
421:
422: static inline int host_to_target_errno(int err)
423: {
424: if(host_to_target_errno_table[err])
425: return host_to_target_errno_table[err];
426: return err;
427: }
428:
429: static inline int target_to_host_errno(int err)
430: {
431: if (target_to_host_errno_table[err])
432: return target_to_host_errno_table[err];
433: return err;
434: }
435:
436: static inline abi_long get_errno(abi_long ret)
1.1 root 437: {
438: if (ret == -1)
1.1.1.6 root 439: return -host_to_target_errno(errno);
1.1 root 440: else
441: return ret;
442: }
443:
1.1.1.6 root 444: static inline int is_error(abi_long ret)
445: {
446: return (abi_ulong)ret >= (abi_ulong)(-4096);
447: }
448:
449: char *target_strerror(int err)
1.1 root 450: {
1.1.1.6 root 451: return strerror(target_to_host_errno(err));
1.1 root 452: }
453:
1.1.1.6 root 454: static abi_ulong target_brk;
455: static abi_ulong target_original_brk;
1.1 root 456:
1.1.1.6 root 457: void target_set_brk(abi_ulong new_brk)
1.1 root 458: {
1.1.1.6 root 459: target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
1.1 root 460: }
461:
1.1.1.6 root 462: /* do_brk() must return target values and target errnos. */
463: abi_long do_brk(abi_ulong new_brk)
1.1 root 464: {
1.1.1.6 root 465: abi_ulong brk_page;
466: abi_long mapped_addr;
1.1 root 467: int new_alloc_size;
468:
469: if (!new_brk)
1.1.1.3 root 470: return target_brk;
1.1 root 471: if (new_brk < target_original_brk)
1.1.1.7 ! root 472: return target_brk;
1.1.1.6 root 473:
1.1.1.3 root 474: brk_page = HOST_PAGE_ALIGN(target_brk);
1.1 root 475:
476: /* If the new brk is less than this, set it and we're done... */
477: if (new_brk < brk_page) {
478: target_brk = new_brk;
1.1.1.3 root 479: return target_brk;
1.1 root 480: }
481:
482: /* We need to allocate more memory after the brk... */
483: new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
1.1.1.6 root 484: mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
1.1 root 485: PROT_READ|PROT_WRITE,
486: MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
1.1.1.7 ! root 487:
! 488: if (!is_error(mapped_addr))
1.1 root 489: target_brk = new_brk;
1.1.1.7 ! root 490:
! 491: return target_brk;
1.1 root 492: }
493:
1.1.1.6 root 494: static inline abi_long copy_from_user_fdset(fd_set *fds,
495: abi_ulong target_fds_addr,
496: int n)
1.1 root 497: {
1.1.1.6 root 498: int i, nw, j, k;
499: abi_ulong b, *target_fds;
500:
501: nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
502: if (!(target_fds = lock_user(VERIFY_READ,
503: target_fds_addr,
504: sizeof(abi_ulong) * nw,
505: 1)))
506: return -TARGET_EFAULT;
507:
508: FD_ZERO(fds);
509: k = 0;
510: for (i = 0; i < nw; i++) {
511: /* grab the abi_ulong */
512: __get_user(b, &target_fds[i]);
513: for (j = 0; j < TARGET_ABI_BITS; j++) {
514: /* check the bit inside the abi_ulong */
515: if ((b >> j) & 1)
516: FD_SET(k, fds);
517: k++;
1.1 root 518: }
519: }
1.1.1.6 root 520:
521: unlock_user(target_fds, target_fds_addr, 0);
522:
523: return 0;
1.1 root 524: }
525:
1.1.1.6 root 526: static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
527: const fd_set *fds,
528: int n)
1.1 root 529: {
530: int i, nw, j, k;
1.1.1.6 root 531: abi_long v;
532: abi_ulong *target_fds;
1.1 root 533:
1.1.1.6 root 534: nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
535: if (!(target_fds = lock_user(VERIFY_WRITE,
536: target_fds_addr,
537: sizeof(abi_ulong) * nw,
538: 0)))
539: return -TARGET_EFAULT;
540:
541: k = 0;
542: for (i = 0; i < nw; i++) {
543: v = 0;
544: for (j = 0; j < TARGET_ABI_BITS; j++) {
545: v |= ((FD_ISSET(k, fds) != 0) << j);
546: k++;
1.1 root 547: }
1.1.1.6 root 548: __put_user(v, &target_fds[i]);
1.1 root 549: }
1.1.1.6 root 550:
551: unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
552:
553: return 0;
1.1 root 554: }
555:
556: #if defined(__alpha__)
557: #define HOST_HZ 1024
558: #else
559: #define HOST_HZ 100
560: #endif
561:
1.1.1.6 root 562: static inline abi_long host_to_target_clock_t(long ticks)
1.1 root 563: {
564: #if HOST_HZ == TARGET_HZ
565: return ticks;
566: #else
567: return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
568: #endif
569: }
570:
1.1.1.6 root 571: static inline abi_long host_to_target_rusage(abi_ulong target_addr,
572: const struct rusage *rusage)
1.1 root 573: {
1.1.1.3 root 574: struct target_rusage *target_rusage;
575:
1.1.1.6 root 576: if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
577: return -TARGET_EFAULT;
1.1 root 578: target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
579: target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
580: target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
581: target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
582: target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
583: target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
584: target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
585: target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
586: target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
587: target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
588: target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
589: target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
590: target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
591: target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
592: target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
593: target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
594: target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
595: target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
1.1.1.3 root 596: unlock_user_struct(target_rusage, target_addr, 1);
1.1.1.6 root 597:
598: return 0;
1.1 root 599: }
600:
1.1.1.6 root 601: static inline abi_long copy_from_user_timeval(struct timeval *tv,
602: abi_ulong target_tv_addr)
1.1 root 603: {
1.1.1.3 root 604: struct target_timeval *target_tv;
605:
1.1.1.6 root 606: if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
607: return -TARGET_EFAULT;
608:
609: __get_user(tv->tv_sec, &target_tv->tv_sec);
610: __get_user(tv->tv_usec, &target_tv->tv_usec);
611:
612: unlock_user_struct(target_tv, target_tv_addr, 0);
613:
614: return 0;
1.1 root 615: }
616:
1.1.1.6 root 617: static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
618: const struct timeval *tv)
1.1 root 619: {
1.1.1.3 root 620: struct target_timeval *target_tv;
621:
1.1.1.6 root 622: if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
623: return -TARGET_EFAULT;
624:
625: __put_user(tv->tv_sec, &target_tv->tv_sec);
626: __put_user(tv->tv_usec, &target_tv->tv_usec);
627:
628: unlock_user_struct(target_tv, target_tv_addr, 1);
629:
630: return 0;
1.1 root 631: }
632:
633:
1.1.1.6 root 634: /* do_select() must return target values and target errnos. */
635: static abi_long do_select(int n,
636: abi_ulong rfd_addr, abi_ulong wfd_addr,
637: abi_ulong efd_addr, abi_ulong target_tv_addr)
1.1 root 638: {
639: fd_set rfds, wfds, efds;
640: fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
641: struct timeval tv, *tv_ptr;
1.1.1.6 root 642: abi_long ret;
1.1 root 643:
1.1.1.6 root 644: if (rfd_addr) {
645: if (copy_from_user_fdset(&rfds, rfd_addr, n))
646: return -TARGET_EFAULT;
647: rfds_ptr = &rfds;
1.1.1.3 root 648: } else {
649: rfds_ptr = NULL;
650: }
1.1.1.6 root 651: if (wfd_addr) {
652: if (copy_from_user_fdset(&wfds, wfd_addr, n))
653: return -TARGET_EFAULT;
654: wfds_ptr = &wfds;
1.1.1.3 root 655: } else {
656: wfds_ptr = NULL;
657: }
1.1.1.6 root 658: if (efd_addr) {
659: if (copy_from_user_fdset(&efds, efd_addr, n))
660: return -TARGET_EFAULT;
661: efds_ptr = &efds;
1.1.1.3 root 662: } else {
663: efds_ptr = NULL;
664: }
1.1.1.6 root 665:
666: if (target_tv_addr) {
667: if (copy_from_user_timeval(&tv, target_tv_addr))
668: return -TARGET_EFAULT;
1.1 root 669: tv_ptr = &tv;
670: } else {
671: tv_ptr = NULL;
672: }
1.1.1.6 root 673:
1.1 root 674: ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
1.1.1.3 root 675:
1.1.1.6 root 676: if (!is_error(ret)) {
677: if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
678: return -TARGET_EFAULT;
679: if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
680: return -TARGET_EFAULT;
681: if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
682: return -TARGET_EFAULT;
1.1 root 683:
1.1.1.6 root 684: if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
685: return -TARGET_EFAULT;
1.1 root 686: }
1.1.1.3 root 687:
1.1 root 688: return ret;
689: }
690:
1.1.1.6 root 691: static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
692: abi_ulong target_addr,
693: socklen_t len)
1.1 root 694: {
1.1.1.3 root 695: struct target_sockaddr *target_saddr;
696:
1.1.1.6 root 697: target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
698: if (!target_saddr)
699: return -TARGET_EFAULT;
1.1.1.3 root 700: memcpy(addr, target_saddr, len);
701: addr->sa_family = tswap16(target_saddr->sa_family);
702: unlock_user(target_saddr, target_addr, 0);
1.1.1.6 root 703:
704: return 0;
1.1 root 705: }
706:
1.1.1.6 root 707: static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
708: struct sockaddr *addr,
709: socklen_t len)
1.1 root 710: {
1.1.1.3 root 711: struct target_sockaddr *target_saddr;
712:
1.1.1.6 root 713: target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
714: if (!target_saddr)
715: return -TARGET_EFAULT;
1.1.1.3 root 716: memcpy(target_saddr, addr, len);
717: target_saddr->sa_family = tswap16(addr->sa_family);
718: unlock_user(target_saddr, target_addr, len);
1.1.1.6 root 719:
720: return 0;
1.1 root 721: }
722:
1.1.1.3 root 723: /* ??? Should this also swap msgh->name? */
1.1.1.6 root 724: static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
725: struct target_msghdr *target_msgh)
1.1 root 726: {
727: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1.1.1.6 root 728: abi_long msg_controllen;
729: abi_ulong target_cmsg_addr;
730: struct target_cmsghdr *target_cmsg;
1.1 root 731: socklen_t space = 0;
1.1.1.6 root 732:
733: msg_controllen = tswapl(target_msgh->msg_controllen);
734: if (msg_controllen < sizeof (struct target_cmsghdr))
735: goto the_end;
736: target_cmsg_addr = tswapl(target_msgh->msg_control);
737: target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
738: if (!target_cmsg)
739: return -TARGET_EFAULT;
1.1 root 740:
741: while (cmsg && target_cmsg) {
742: void *data = CMSG_DATA(cmsg);
743: void *target_data = TARGET_CMSG_DATA(target_cmsg);
744:
1.1.1.6 root 745: int len = tswapl(target_cmsg->cmsg_len)
1.1 root 746: - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
747:
748: space += CMSG_SPACE(len);
749: if (space > msgh->msg_controllen) {
750: space -= CMSG_SPACE(len);
1.1.1.2 root 751: gemu_log("Host cmsg overflow\n");
1.1 root 752: break;
753: }
754:
755: cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
756: cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
757: cmsg->cmsg_len = CMSG_LEN(len);
758:
1.1.1.4 root 759: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 760: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
761: memcpy(data, target_data, len);
762: } else {
763: int *fd = (int *)data;
764: int *target_fd = (int *)target_data;
765: int i, numfds = len / sizeof(int);
766:
767: for (i = 0; i < numfds; i++)
768: fd[i] = tswap32(target_fd[i]);
769: }
770:
771: cmsg = CMSG_NXTHDR(msgh, cmsg);
772: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
773: }
1.1.1.6 root 774: unlock_user(target_cmsg, target_cmsg_addr, 0);
775: the_end:
1.1 root 776: msgh->msg_controllen = space;
1.1.1.6 root 777: return 0;
1.1 root 778: }
779:
1.1.1.3 root 780: /* ??? Should this also swap msgh->name? */
1.1.1.6 root 781: static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
782: struct msghdr *msgh)
1.1 root 783: {
784: struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1.1.1.6 root 785: abi_long msg_controllen;
786: abi_ulong target_cmsg_addr;
787: struct target_cmsghdr *target_cmsg;
1.1 root 788: socklen_t space = 0;
789:
1.1.1.6 root 790: msg_controllen = tswapl(target_msgh->msg_controllen);
791: if (msg_controllen < sizeof (struct target_cmsghdr))
792: goto the_end;
793: target_cmsg_addr = tswapl(target_msgh->msg_control);
794: target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
795: if (!target_cmsg)
796: return -TARGET_EFAULT;
797:
1.1 root 798: while (cmsg && target_cmsg) {
799: void *data = CMSG_DATA(cmsg);
800: void *target_data = TARGET_CMSG_DATA(target_cmsg);
801:
802: int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
803:
804: space += TARGET_CMSG_SPACE(len);
1.1.1.6 root 805: if (space > msg_controllen) {
1.1 root 806: space -= TARGET_CMSG_SPACE(len);
1.1.1.2 root 807: gemu_log("Target cmsg overflow\n");
1.1 root 808: break;
809: }
810:
811: target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
812: target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
813: target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
814:
1.1.1.4 root 815: if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1.1 root 816: gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
817: memcpy(target_data, data, len);
818: } else {
819: int *fd = (int *)data;
820: int *target_fd = (int *)target_data;
821: int i, numfds = len / sizeof(int);
822:
823: for (i = 0; i < numfds; i++)
824: target_fd[i] = tswap32(fd[i]);
825: }
826:
827: cmsg = CMSG_NXTHDR(msgh, cmsg);
828: target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
829: }
1.1.1.6 root 830: unlock_user(target_cmsg, target_cmsg_addr, space);
831: the_end:
832: target_msgh->msg_controllen = tswapl(space);
833: return 0;
1.1 root 834: }
835:
1.1.1.6 root 836: /* do_setsockopt() Must return target values and target errnos. */
837: static abi_long do_setsockopt(int sockfd, int level, int optname,
838: abi_ulong optval_addr, socklen_t optlen)
1.1 root 839: {
1.1.1.6 root 840: abi_long ret;
841: int val;
842:
1.1 root 843: switch(level) {
844: case SOL_TCP:
845: /* TCP options all take an 'int' value. */
846: if (optlen < sizeof(uint32_t))
1.1.1.6 root 847: return -TARGET_EINVAL;
848:
849: if (get_user_u32(val, optval_addr))
850: return -TARGET_EFAULT;
1.1 root 851: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
852: break;
853: case SOL_IP:
854: switch(optname) {
855: case IP_TOS:
856: case IP_TTL:
857: case IP_HDRINCL:
858: case IP_ROUTER_ALERT:
859: case IP_RECVOPTS:
860: case IP_RETOPTS:
861: case IP_PKTINFO:
862: case IP_MTU_DISCOVER:
863: case IP_RECVERR:
864: case IP_RECVTOS:
865: #ifdef IP_FREEBIND
866: case IP_FREEBIND:
867: #endif
868: case IP_MULTICAST_TTL:
869: case IP_MULTICAST_LOOP:
870: val = 0;
871: if (optlen >= sizeof(uint32_t)) {
1.1.1.6 root 872: if (get_user_u32(val, optval_addr))
873: return -TARGET_EFAULT;
1.1 root 874: } else if (optlen >= 1) {
1.1.1.6 root 875: if (get_user_u8(val, optval_addr))
876: return -TARGET_EFAULT;
1.1 root 877: }
878: ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
879: break;
880: default:
881: goto unimplemented;
882: }
883: break;
1.1.1.4 root 884: case TARGET_SOL_SOCKET:
1.1 root 885: switch (optname) {
886: /* Options with 'int' argument. */
1.1.1.4 root 887: case TARGET_SO_DEBUG:
888: optname = SO_DEBUG;
889: break;
890: case TARGET_SO_REUSEADDR:
891: optname = SO_REUSEADDR;
892: break;
893: case TARGET_SO_TYPE:
894: optname = SO_TYPE;
895: break;
896: case TARGET_SO_ERROR:
897: optname = SO_ERROR;
898: break;
899: case TARGET_SO_DONTROUTE:
900: optname = SO_DONTROUTE;
901: break;
902: case TARGET_SO_BROADCAST:
903: optname = SO_BROADCAST;
904: break;
905: case TARGET_SO_SNDBUF:
906: optname = SO_SNDBUF;
907: break;
908: case TARGET_SO_RCVBUF:
909: optname = SO_RCVBUF;
910: break;
911: case TARGET_SO_KEEPALIVE:
912: optname = SO_KEEPALIVE;
913: break;
914: case TARGET_SO_OOBINLINE:
915: optname = SO_OOBINLINE;
916: break;
917: case TARGET_SO_NO_CHECK:
918: optname = SO_NO_CHECK;
919: break;
920: case TARGET_SO_PRIORITY:
921: optname = SO_PRIORITY;
922: break;
1.1 root 923: #ifdef SO_BSDCOMPAT
1.1.1.4 root 924: case TARGET_SO_BSDCOMPAT:
925: optname = SO_BSDCOMPAT;
926: break;
1.1 root 927: #endif
1.1.1.4 root 928: case TARGET_SO_PASSCRED:
929: optname = SO_PASSCRED;
930: break;
931: case TARGET_SO_TIMESTAMP:
932: optname = SO_TIMESTAMP;
933: break;
934: case TARGET_SO_RCVLOWAT:
935: optname = SO_RCVLOWAT;
936: break;
937: case TARGET_SO_RCVTIMEO:
938: optname = SO_RCVTIMEO;
939: break;
940: case TARGET_SO_SNDTIMEO:
941: optname = SO_SNDTIMEO;
942: break;
1.1 root 943: break;
944: default:
945: goto unimplemented;
946: }
1.1.1.4 root 947: if (optlen < sizeof(uint32_t))
1.1.1.6 root 948: return -TARGET_EINVAL;
1.1.1.4 root 949:
1.1.1.6 root 950: if (get_user_u32(val, optval_addr))
951: return -TARGET_EFAULT;
1.1.1.4 root 952: ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
1.1 root 953: break;
954: default:
955: unimplemented:
956: gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
1.1.1.6 root 957: ret = -TARGET_ENOPROTOOPT;
1.1 root 958: }
959: return ret;
960: }
961:
1.1.1.6 root 962: /* do_getsockopt() Must return target values and target errnos. */
963: static abi_long do_getsockopt(int sockfd, int level, int optname,
964: abi_ulong optval_addr, abi_ulong optlen)
1.1 root 965: {
1.1.1.6 root 966: abi_long ret;
1.1.1.7 ! root 967: int len, val;
! 968: socklen_t lv;
1.1 root 969:
970: switch(level) {
1.1.1.4 root 971: case TARGET_SOL_SOCKET:
972: level = SOL_SOCKET;
1.1 root 973: switch (optname) {
1.1.1.4 root 974: case TARGET_SO_LINGER:
975: case TARGET_SO_RCVTIMEO:
976: case TARGET_SO_SNDTIMEO:
977: case TARGET_SO_PEERCRED:
978: case TARGET_SO_PEERNAME:
1.1 root 979: /* These don't just return a single integer */
980: goto unimplemented;
981: default:
982: goto int_case;
983: }
984: break;
985: case SOL_TCP:
986: /* TCP options all take an 'int' value. */
987: int_case:
1.1.1.6 root 988: if (get_user_u32(len, optlen))
989: return -TARGET_EFAULT;
1.1 root 990: if (len < 0)
1.1.1.6 root 991: return -TARGET_EINVAL;
1.1 root 992: lv = sizeof(int);
993: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
994: if (ret < 0)
995: return ret;
996: val = tswap32(val);
997: if (len > lv)
998: len = lv;
1.1.1.6 root 999: if (len == 4) {
1000: if (put_user_u32(val, optval_addr))
1001: return -TARGET_EFAULT;
1002: } else {
1003: if (put_user_u8(val, optval_addr))
1004: return -TARGET_EFAULT;
1005: }
1006: if (put_user_u32(len, optlen))
1007: return -TARGET_EFAULT;
1.1 root 1008: break;
1009: case SOL_IP:
1010: switch(optname) {
1011: case IP_TOS:
1012: case IP_TTL:
1013: case IP_HDRINCL:
1014: case IP_ROUTER_ALERT:
1015: case IP_RECVOPTS:
1016: case IP_RETOPTS:
1017: case IP_PKTINFO:
1018: case IP_MTU_DISCOVER:
1019: case IP_RECVERR:
1020: case IP_RECVTOS:
1021: #ifdef IP_FREEBIND
1022: case IP_FREEBIND:
1023: #endif
1024: case IP_MULTICAST_TTL:
1025: case IP_MULTICAST_LOOP:
1.1.1.6 root 1026: if (get_user_u32(len, optlen))
1027: return -TARGET_EFAULT;
1.1 root 1028: if (len < 0)
1.1.1.6 root 1029: return -TARGET_EINVAL;
1.1 root 1030: lv = sizeof(int);
1031: ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1032: if (ret < 0)
1033: return ret;
1034: if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
1035: len = 1;
1.1.1.6 root 1036: if (put_user_u32(len, optlen)
1037: || put_user_u8(val, optval_addr))
1038: return -TARGET_EFAULT;
1.1 root 1039: } else {
1040: if (len > sizeof(int))
1041: len = sizeof(int);
1.1.1.6 root 1042: if (put_user_u32(len, optlen)
1043: || put_user_u32(val, optval_addr))
1044: return -TARGET_EFAULT;
1.1 root 1045: }
1046: break;
1047: default:
1.1.1.6 root 1048: ret = -TARGET_ENOPROTOOPT;
1049: break;
1.1 root 1050: }
1051: break;
1052: default:
1053: unimplemented:
1054: gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1055: level, optname);
1.1.1.6 root 1056: ret = -TARGET_EOPNOTSUPP;
1.1 root 1057: break;
1058: }
1059: return ret;
1060: }
1061:
1.1.1.6 root 1062: /* FIXME
1063: * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1064: * other lock functions have a return code of 0 for failure.
1065: */
1066: static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1067: int count, int copy)
1.1.1.3 root 1068: {
1069: struct target_iovec *target_vec;
1.1.1.6 root 1070: abi_ulong base;
1.1.1.7 ! root 1071: int i;
1.1.1.3 root 1072:
1.1.1.6 root 1073: target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1074: if (!target_vec)
1075: return -TARGET_EFAULT;
1.1.1.3 root 1076: for(i = 0;i < count; i++) {
1077: base = tswapl(target_vec[i].iov_base);
1078: vec[i].iov_len = tswapl(target_vec[i].iov_len);
1.1.1.7 ! root 1079: if (vec[i].iov_len != 0) {
! 1080: vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
! 1081: /* Don't check lock_user return value. We must call writev even
! 1082: if a element has invalid base address. */
! 1083: } else {
! 1084: /* zero length pointer is ignored */
! 1085: vec[i].iov_base = NULL;
! 1086: }
1.1.1.6 root 1087: }
1088: unlock_user (target_vec, target_addr, 0);
1089: return 0;
1.1.1.3 root 1090: }
1091:
1.1.1.6 root 1092: static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1093: int count, int copy)
1.1.1.3 root 1094: {
1095: struct target_iovec *target_vec;
1.1.1.6 root 1096: abi_ulong base;
1.1.1.3 root 1097: int i;
1098:
1.1.1.6 root 1099: target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1100: if (!target_vec)
1101: return -TARGET_EFAULT;
1.1.1.3 root 1102: for(i = 0;i < count; i++) {
1.1.1.7 ! root 1103: if (target_vec[i].iov_base) {
! 1104: base = tswapl(target_vec[i].iov_base);
! 1105: unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
! 1106: }
1.1.1.3 root 1107: }
1108: unlock_user (target_vec, target_addr, 0);
1.1.1.6 root 1109:
1110: return 0;
1.1.1.3 root 1111: }
1112:
1.1.1.6 root 1113: /* do_socket() Must return target values and target errnos. */
1114: static abi_long do_socket(int domain, int type, int protocol)
1.1.1.4 root 1115: {
1116: #if defined(TARGET_MIPS)
1117: switch(type) {
1118: case TARGET_SOCK_DGRAM:
1119: type = SOCK_DGRAM;
1120: break;
1121: case TARGET_SOCK_STREAM:
1122: type = SOCK_STREAM;
1123: break;
1124: case TARGET_SOCK_RAW:
1125: type = SOCK_RAW;
1126: break;
1127: case TARGET_SOCK_RDM:
1128: type = SOCK_RDM;
1129: break;
1130: case TARGET_SOCK_SEQPACKET:
1131: type = SOCK_SEQPACKET;
1132: break;
1133: case TARGET_SOCK_PACKET:
1134: type = SOCK_PACKET;
1135: break;
1136: }
1137: #endif
1.1.1.6 root 1138: if (domain == PF_NETLINK)
1139: return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
1.1.1.4 root 1140: return get_errno(socket(domain, type, protocol));
1141: }
1142:
1.1.1.7 ! root 1143: /* MAX_SOCK_ADDR from linux/net/socket.c */
! 1144: #define MAX_SOCK_ADDR 128
! 1145:
1.1.1.6 root 1146: /* do_bind() Must return target values and target errnos. */
1147: static abi_long do_bind(int sockfd, abi_ulong target_addr,
1148: socklen_t addrlen)
1.1.1.4 root 1149: {
1.1.1.7 ! root 1150: void *addr;
! 1151:
! 1152: if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
! 1153: return -TARGET_EINVAL;
! 1154:
! 1155: addr = alloca(addrlen);
1.1.1.6 root 1156:
1.1.1.4 root 1157: target_to_host_sockaddr(addr, target_addr, addrlen);
1158: return get_errno(bind(sockfd, addr, addrlen));
1159: }
1160:
1.1.1.6 root 1161: /* do_connect() Must return target values and target errnos. */
1162: static abi_long do_connect(int sockfd, abi_ulong target_addr,
1163: socklen_t addrlen)
1.1.1.4 root 1164: {
1.1.1.7 ! root 1165: void *addr;
! 1166:
! 1167: if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
! 1168: return -TARGET_EINVAL;
! 1169:
! 1170: addr = alloca(addrlen);
1.1.1.6 root 1171:
1.1.1.4 root 1172: target_to_host_sockaddr(addr, target_addr, addrlen);
1173: return get_errno(connect(sockfd, addr, addrlen));
1174: }
1175:
1.1.1.6 root 1176: /* do_sendrecvmsg() Must return target values and target errnos. */
1177: static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1178: int flags, int send)
1.1.1.4 root 1179: {
1.1.1.7 ! root 1180: abi_long ret, len;
1.1.1.4 root 1181: struct target_msghdr *msgp;
1182: struct msghdr msg;
1183: int count;
1184: struct iovec *vec;
1.1.1.6 root 1185: abi_ulong target_vec;
1.1.1.4 root 1186:
1.1.1.6 root 1187: /* FIXME */
1188: if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1189: msgp,
1190: target_msg,
1191: send ? 1 : 0))
1192: return -TARGET_EFAULT;
1.1.1.4 root 1193: if (msgp->msg_name) {
1194: msg.msg_namelen = tswap32(msgp->msg_namelen);
1195: msg.msg_name = alloca(msg.msg_namelen);
1196: target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1197: msg.msg_namelen);
1198: } else {
1199: msg.msg_name = NULL;
1200: msg.msg_namelen = 0;
1201: }
1202: msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1203: msg.msg_control = alloca(msg.msg_controllen);
1204: msg.msg_flags = tswap32(msgp->msg_flags);
1.1.1.6 root 1205:
1.1.1.4 root 1206: count = tswapl(msgp->msg_iovlen);
1207: vec = alloca(count * sizeof(struct iovec));
1208: target_vec = tswapl(msgp->msg_iov);
1.1.1.6 root 1209: lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1.1.1.4 root 1210: msg.msg_iovlen = count;
1211: msg.msg_iov = vec;
1.1.1.6 root 1212:
1.1.1.4 root 1213: if (send) {
1.1.1.6 root 1214: ret = target_to_host_cmsg(&msg, msgp);
1215: if (ret == 0)
1216: ret = get_errno(sendmsg(fd, &msg, flags));
1.1.1.4 root 1217: } else {
1218: ret = get_errno(recvmsg(fd, &msg, flags));
1.1.1.7 ! root 1219: if (!is_error(ret)) {
! 1220: len = ret;
1.1.1.6 root 1221: ret = host_to_target_cmsg(msgp, &msg);
1.1.1.7 ! root 1222: if (!is_error(ret))
! 1223: ret = len;
! 1224: }
1.1.1.4 root 1225: }
1226: unlock_iovec(vec, target_vec, count, !send);
1.1.1.6 root 1227: unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1.1.1.4 root 1228: return ret;
1229: }
1230:
1.1.1.6 root 1231: /* do_accept() Must return target values and target errnos. */
1232: static abi_long do_accept(int fd, abi_ulong target_addr,
1233: abi_ulong target_addrlen_addr)
1.1.1.5 root 1234: {
1.1.1.6 root 1235: socklen_t addrlen;
1236: void *addr;
1237: abi_long ret;
1238:
1239: if (get_user_u32(addrlen, target_addrlen_addr))
1240: return -TARGET_EFAULT;
1241:
1.1.1.7 ! root 1242: if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
! 1243: return -TARGET_EINVAL;
! 1244:
1.1.1.6 root 1245: addr = alloca(addrlen);
1.1.1.5 root 1246:
1247: ret = get_errno(accept(fd, addr, &addrlen));
1248: if (!is_error(ret)) {
1249: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1250: if (put_user_u32(addrlen, target_addrlen_addr))
1251: ret = -TARGET_EFAULT;
1.1.1.5 root 1252: }
1253: return ret;
1254: }
1255:
1.1.1.6 root 1256: /* do_getpeername() Must return target values and target errnos. */
1257: static abi_long do_getpeername(int fd, abi_ulong target_addr,
1258: abi_ulong target_addrlen_addr)
1.1.1.5 root 1259: {
1.1.1.6 root 1260: socklen_t addrlen;
1261: void *addr;
1262: abi_long ret;
1263:
1264: if (get_user_u32(addrlen, target_addrlen_addr))
1265: return -TARGET_EFAULT;
1266:
1.1.1.7 ! root 1267: if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
! 1268: return -TARGET_EINVAL;
! 1269:
1.1.1.6 root 1270: addr = alloca(addrlen);
1.1.1.5 root 1271:
1272: ret = get_errno(getpeername(fd, addr, &addrlen));
1273: if (!is_error(ret)) {
1274: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1275: if (put_user_u32(addrlen, target_addrlen_addr))
1276: ret = -TARGET_EFAULT;
1.1.1.5 root 1277: }
1278: return ret;
1279: }
1280:
1.1.1.6 root 1281: /* do_getsockname() Must return target values and target errnos. */
1282: static abi_long do_getsockname(int fd, abi_ulong target_addr,
1283: abi_ulong target_addrlen_addr)
1.1.1.5 root 1284: {
1.1.1.6 root 1285: socklen_t addrlen;
1286: void *addr;
1287: abi_long ret;
1288:
1.1.1.7 ! root 1289: if (target_addr == 0)
! 1290: return get_errno(accept(fd, NULL, NULL));
! 1291:
1.1.1.6 root 1292: if (get_user_u32(addrlen, target_addrlen_addr))
1293: return -TARGET_EFAULT;
1294:
1.1.1.7 ! root 1295: if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
! 1296: return -TARGET_EINVAL;
! 1297:
1.1.1.6 root 1298: addr = alloca(addrlen);
1.1.1.5 root 1299:
1300: ret = get_errno(getsockname(fd, addr, &addrlen));
1301: if (!is_error(ret)) {
1302: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1303: if (put_user_u32(addrlen, target_addrlen_addr))
1304: ret = -TARGET_EFAULT;
1.1.1.5 root 1305: }
1306: return ret;
1307: }
1308:
1.1.1.6 root 1309: /* do_socketpair() Must return target values and target errnos. */
1310: static abi_long do_socketpair(int domain, int type, int protocol,
1311: abi_ulong target_tab_addr)
1.1.1.5 root 1312: {
1313: int tab[2];
1.1.1.6 root 1314: abi_long ret;
1.1.1.5 root 1315:
1316: ret = get_errno(socketpair(domain, type, protocol, tab));
1317: if (!is_error(ret)) {
1.1.1.6 root 1318: if (put_user_s32(tab[0], target_tab_addr)
1319: || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1320: ret = -TARGET_EFAULT;
1.1.1.5 root 1321: }
1322: return ret;
1323: }
1324:
1.1.1.6 root 1325: /* do_sendto() Must return target values and target errnos. */
1326: static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1327: abi_ulong target_addr, socklen_t addrlen)
1.1.1.5 root 1328: {
1329: void *addr;
1330: void *host_msg;
1.1.1.6 root 1331: abi_long ret;
1.1.1.5 root 1332:
1.1.1.7 ! root 1333: if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
! 1334: return -TARGET_EINVAL;
! 1335:
1.1.1.6 root 1336: host_msg = lock_user(VERIFY_READ, msg, len, 1);
1337: if (!host_msg)
1338: return -TARGET_EFAULT;
1.1.1.5 root 1339: if (target_addr) {
1340: addr = alloca(addrlen);
1341: target_to_host_sockaddr(addr, target_addr, addrlen);
1342: ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1343: } else {
1344: ret = get_errno(send(fd, host_msg, len, flags));
1345: }
1346: unlock_user(host_msg, msg, 0);
1347: return ret;
1348: }
1349:
1.1.1.6 root 1350: /* do_recvfrom() Must return target values and target errnos. */
1351: static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1352: abi_ulong target_addr,
1353: abi_ulong target_addrlen)
1.1.1.5 root 1354: {
1355: socklen_t addrlen;
1356: void *addr;
1357: void *host_msg;
1.1.1.6 root 1358: abi_long ret;
1.1.1.5 root 1359:
1.1.1.6 root 1360: host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1361: if (!host_msg)
1362: return -TARGET_EFAULT;
1.1.1.5 root 1363: if (target_addr) {
1.1.1.6 root 1364: if (get_user_u32(addrlen, target_addrlen)) {
1365: ret = -TARGET_EFAULT;
1366: goto fail;
1367: }
1.1.1.7 ! root 1368: if (addrlen < 0 || addrlen > MAX_SOCK_ADDR) {
! 1369: ret = -TARGET_EINVAL;
! 1370: goto fail;
! 1371: }
1.1.1.5 root 1372: addr = alloca(addrlen);
1373: ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1374: } else {
1375: addr = NULL; /* To keep compiler quiet. */
1376: ret = get_errno(recv(fd, host_msg, len, flags));
1377: }
1378: if (!is_error(ret)) {
1379: if (target_addr) {
1380: host_to_target_sockaddr(target_addr, addr, addrlen);
1.1.1.6 root 1381: if (put_user_u32(addrlen, target_addrlen)) {
1382: ret = -TARGET_EFAULT;
1383: goto fail;
1384: }
1.1.1.5 root 1385: }
1386: unlock_user(host_msg, msg, len);
1387: } else {
1.1.1.6 root 1388: fail:
1.1.1.5 root 1389: unlock_user(host_msg, msg, 0);
1390: }
1391: return ret;
1392: }
1393:
1.1.1.6 root 1394: #ifdef TARGET_NR_socketcall
1395: /* do_socketcall() Must return target values and target errnos. */
1396: static abi_long do_socketcall(int num, abi_ulong vptr)
1.1 root 1397: {
1.1.1.6 root 1398: abi_long ret;
1399: const int n = sizeof(abi_ulong);
1.1 root 1400:
1401: switch(num) {
1402: case SOCKOP_socket:
1403: {
1.1.1.6 root 1404: int domain, type, protocol;
1405:
1406: if (get_user_s32(domain, vptr)
1407: || get_user_s32(type, vptr + n)
1408: || get_user_s32(protocol, vptr + 2 * n))
1409: return -TARGET_EFAULT;
1410:
1.1.1.4 root 1411: ret = do_socket(domain, type, protocol);
1.1 root 1412: }
1413: break;
1414: case SOCKOP_bind:
1415: {
1.1.1.6 root 1416: int sockfd;
1417: abi_ulong target_addr;
1418: socklen_t addrlen;
1419:
1420: if (get_user_s32(sockfd, vptr)
1421: || get_user_ual(target_addr, vptr + n)
1422: || get_user_u32(addrlen, vptr + 2 * n))
1423: return -TARGET_EFAULT;
1424:
1.1.1.4 root 1425: ret = do_bind(sockfd, target_addr, addrlen);
1.1 root 1426: }
1427: break;
1428: case SOCKOP_connect:
1429: {
1.1.1.6 root 1430: int sockfd;
1431: abi_ulong target_addr;
1432: socklen_t addrlen;
1433:
1434: if (get_user_s32(sockfd, vptr)
1435: || get_user_ual(target_addr, vptr + n)
1436: || get_user_u32(addrlen, vptr + 2 * n))
1437: return -TARGET_EFAULT;
1438:
1.1.1.4 root 1439: ret = do_connect(sockfd, target_addr, addrlen);
1.1 root 1440: }
1441: break;
1442: case SOCKOP_listen:
1443: {
1.1.1.6 root 1444: int sockfd, backlog;
1445:
1446: if (get_user_s32(sockfd, vptr)
1447: || get_user_s32(backlog, vptr + n))
1448: return -TARGET_EFAULT;
1449:
1.1 root 1450: ret = get_errno(listen(sockfd, backlog));
1451: }
1452: break;
1453: case SOCKOP_accept:
1454: {
1.1.1.6 root 1455: int sockfd;
1456: abi_ulong target_addr, target_addrlen;
1457:
1458: if (get_user_s32(sockfd, vptr)
1459: || get_user_ual(target_addr, vptr + n)
1460: || get_user_u32(target_addrlen, vptr + 2 * n))
1461: return -TARGET_EFAULT;
1462:
1.1.1.5 root 1463: ret = do_accept(sockfd, target_addr, target_addrlen);
1.1 root 1464: }
1465: break;
1466: case SOCKOP_getsockname:
1467: {
1.1.1.6 root 1468: int sockfd;
1469: abi_ulong target_addr, target_addrlen;
1470:
1471: if (get_user_s32(sockfd, vptr)
1472: || get_user_ual(target_addr, vptr + n)
1473: || get_user_u32(target_addrlen, vptr + 2 * n))
1474: return -TARGET_EFAULT;
1475:
1.1.1.5 root 1476: ret = do_getsockname(sockfd, target_addr, target_addrlen);
1.1 root 1477: }
1478: break;
1479: case SOCKOP_getpeername:
1480: {
1.1.1.6 root 1481: int sockfd;
1482: abi_ulong target_addr, target_addrlen;
1483:
1484: if (get_user_s32(sockfd, vptr)
1485: || get_user_ual(target_addr, vptr + n)
1486: || get_user_u32(target_addrlen, vptr + 2 * n))
1487: return -TARGET_EFAULT;
1488:
1.1.1.5 root 1489: ret = do_getpeername(sockfd, target_addr, target_addrlen);
1.1 root 1490: }
1491: break;
1492: case SOCKOP_socketpair:
1493: {
1.1.1.6 root 1494: int domain, type, protocol;
1495: abi_ulong tab;
1496:
1497: if (get_user_s32(domain, vptr)
1498: || get_user_s32(type, vptr + n)
1499: || get_user_s32(protocol, vptr + 2 * n)
1500: || get_user_ual(tab, vptr + 3 * n))
1501: return -TARGET_EFAULT;
1502:
1.1.1.5 root 1503: ret = do_socketpair(domain, type, protocol, tab);
1.1 root 1504: }
1505: break;
1506: case SOCKOP_send:
1507: {
1.1.1.6 root 1508: int sockfd;
1509: abi_ulong msg;
1510: size_t len;
1511: int flags;
1512:
1513: if (get_user_s32(sockfd, vptr)
1514: || get_user_ual(msg, vptr + n)
1515: || get_user_ual(len, vptr + 2 * n)
1516: || get_user_s32(flags, vptr + 3 * n))
1517: return -TARGET_EFAULT;
1518:
1.1.1.5 root 1519: ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1.1 root 1520: }
1521: break;
1522: case SOCKOP_recv:
1523: {
1.1.1.6 root 1524: int sockfd;
1525: abi_ulong msg;
1526: size_t len;
1527: int flags;
1528:
1529: if (get_user_s32(sockfd, vptr)
1530: || get_user_ual(msg, vptr + n)
1531: || get_user_ual(len, vptr + 2 * n)
1532: || get_user_s32(flags, vptr + 3 * n))
1533: return -TARGET_EFAULT;
1534:
1.1.1.5 root 1535: ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1.1 root 1536: }
1537: break;
1538: case SOCKOP_sendto:
1539: {
1.1.1.6 root 1540: int sockfd;
1541: abi_ulong msg;
1542: size_t len;
1543: int flags;
1544: abi_ulong addr;
1545: socklen_t addrlen;
1546:
1547: if (get_user_s32(sockfd, vptr)
1548: || get_user_ual(msg, vptr + n)
1549: || get_user_ual(len, vptr + 2 * n)
1550: || get_user_s32(flags, vptr + 3 * n)
1551: || get_user_ual(addr, vptr + 4 * n)
1552: || get_user_u32(addrlen, vptr + 5 * n))
1553: return -TARGET_EFAULT;
1554:
1.1.1.5 root 1555: ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1.1 root 1556: }
1557: break;
1558: case SOCKOP_recvfrom:
1559: {
1.1.1.6 root 1560: int sockfd;
1561: abi_ulong msg;
1562: size_t len;
1563: int flags;
1564: abi_ulong addr;
1565: socklen_t addrlen;
1566:
1567: if (get_user_s32(sockfd, vptr)
1568: || get_user_ual(msg, vptr + n)
1569: || get_user_ual(len, vptr + 2 * n)
1570: || get_user_s32(flags, vptr + 3 * n)
1571: || get_user_ual(addr, vptr + 4 * n)
1572: || get_user_u32(addrlen, vptr + 5 * n))
1573: return -TARGET_EFAULT;
1574:
1.1.1.5 root 1575: ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1.1 root 1576: }
1577: break;
1578: case SOCKOP_shutdown:
1579: {
1.1.1.6 root 1580: int sockfd, how;
1581:
1582: if (get_user_s32(sockfd, vptr)
1583: || get_user_s32(how, vptr + n))
1584: return -TARGET_EFAULT;
1.1 root 1585:
1586: ret = get_errno(shutdown(sockfd, how));
1587: }
1588: break;
1589: case SOCKOP_sendmsg:
1590: case SOCKOP_recvmsg:
1591: {
1592: int fd;
1.1.1.6 root 1593: abi_ulong target_msg;
1.1.1.4 root 1594: int flags;
1.1 root 1595:
1.1.1.6 root 1596: if (get_user_s32(fd, vptr)
1597: || get_user_ual(target_msg, vptr + n)
1598: || get_user_s32(flags, vptr + 2 * n))
1599: return -TARGET_EFAULT;
1.1.1.4 root 1600:
1.1.1.6 root 1601: ret = do_sendrecvmsg(fd, target_msg, flags,
1.1.1.4 root 1602: (num == SOCKOP_sendmsg));
1.1 root 1603: }
1604: break;
1605: case SOCKOP_setsockopt:
1606: {
1.1.1.6 root 1607: int sockfd;
1608: int level;
1609: int optname;
1610: abi_ulong optval;
1611: socklen_t optlen;
1612:
1613: if (get_user_s32(sockfd, vptr)
1614: || get_user_s32(level, vptr + n)
1615: || get_user_s32(optname, vptr + 2 * n)
1616: || get_user_ual(optval, vptr + 3 * n)
1617: || get_user_u32(optlen, vptr + 4 * n))
1618: return -TARGET_EFAULT;
1.1 root 1619:
1620: ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1621: }
1622: break;
1623: case SOCKOP_getsockopt:
1624: {
1.1.1.6 root 1625: int sockfd;
1626: int level;
1627: int optname;
1628: abi_ulong optval;
1629: socklen_t optlen;
1630:
1631: if (get_user_s32(sockfd, vptr)
1632: || get_user_s32(level, vptr + n)
1633: || get_user_s32(optname, vptr + 2 * n)
1634: || get_user_ual(optval, vptr + 3 * n)
1635: || get_user_u32(optlen, vptr + 4 * n))
1636: return -TARGET_EFAULT;
1.1 root 1637:
1.1.1.6 root 1638: ret = do_getsockopt(sockfd, level, optname, optval, optlen);
1.1 root 1639: }
1640: break;
1641: default:
1642: gemu_log("Unsupported socketcall: %d\n", num);
1.1.1.6 root 1643: ret = -TARGET_ENOSYS;
1.1 root 1644: break;
1645: }
1646: return ret;
1647: }
1.1.1.6 root 1648: #endif
1.1 root 1649:
1.1.1.6 root 1650: #ifdef TARGET_NR_ipc
1.1 root 1651: #define N_SHM_REGIONS 32
1652:
1653: static struct shm_region {
1.1.1.6 root 1654: abi_ulong start;
1655: abi_ulong size;
1.1 root 1656: } shm_regions[N_SHM_REGIONS];
1.1.1.7 ! root 1657: #endif
1.1 root 1658:
1.1.1.6 root 1659: struct target_ipc_perm
1660: {
1661: abi_long __key;
1662: abi_ulong uid;
1663: abi_ulong gid;
1664: abi_ulong cuid;
1665: abi_ulong cgid;
1666: unsigned short int mode;
1667: unsigned short int __pad1;
1668: unsigned short int __seq;
1669: unsigned short int __pad2;
1670: abi_ulong __unused1;
1671: abi_ulong __unused2;
1672: };
1673:
1674: struct target_semid_ds
1675: {
1676: struct target_ipc_perm sem_perm;
1677: abi_ulong sem_otime;
1678: abi_ulong __unused1;
1679: abi_ulong sem_ctime;
1680: abi_ulong __unused2;
1681: abi_ulong sem_nsems;
1682: abi_ulong __unused3;
1683: abi_ulong __unused4;
1684: };
1685:
1686: static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
1687: abi_ulong target_addr)
1688: {
1689: struct target_ipc_perm *target_ip;
1690: struct target_semid_ds *target_sd;
1691:
1692: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1693: return -TARGET_EFAULT;
1694: target_ip=&(target_sd->sem_perm);
1695: host_ip->__key = tswapl(target_ip->__key);
1696: host_ip->uid = tswapl(target_ip->uid);
1697: host_ip->gid = tswapl(target_ip->gid);
1698: host_ip->cuid = tswapl(target_ip->cuid);
1699: host_ip->cgid = tswapl(target_ip->cgid);
1700: host_ip->mode = tswapl(target_ip->mode);
1701: unlock_user_struct(target_sd, target_addr, 0);
1702: return 0;
1703: }
1704:
1705: static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
1706: struct ipc_perm *host_ip)
1707: {
1708: struct target_ipc_perm *target_ip;
1709: struct target_semid_ds *target_sd;
1710:
1711: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1712: return -TARGET_EFAULT;
1713: target_ip = &(target_sd->sem_perm);
1714: target_ip->__key = tswapl(host_ip->__key);
1715: target_ip->uid = tswapl(host_ip->uid);
1716: target_ip->gid = tswapl(host_ip->gid);
1717: target_ip->cuid = tswapl(host_ip->cuid);
1718: target_ip->cgid = tswapl(host_ip->cgid);
1719: target_ip->mode = tswapl(host_ip->mode);
1720: unlock_user_struct(target_sd, target_addr, 1);
1721: return 0;
1722: }
1723:
1724: static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
1725: abi_ulong target_addr)
1726: {
1727: struct target_semid_ds *target_sd;
1728:
1729: if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1730: return -TARGET_EFAULT;
1731: target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1732: host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1733: host_sd->sem_otime = tswapl(target_sd->sem_otime);
1734: host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1735: unlock_user_struct(target_sd, target_addr, 0);
1736: return 0;
1737: }
1738:
1739: static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
1740: struct semid_ds *host_sd)
1741: {
1742: struct target_semid_ds *target_sd;
1743:
1744: if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1745: return -TARGET_EFAULT;
1746: host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1747: target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1748: target_sd->sem_otime = tswapl(host_sd->sem_otime);
1749: target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1750: unlock_user_struct(target_sd, target_addr, 1);
1751: return 0;
1752: }
1753:
1.1.1.5 root 1754: union semun {
1755: int val;
1.1.1.6 root 1756: struct semid_ds *buf;
1.1.1.5 root 1757: unsigned short *array;
1758: };
1759:
1.1.1.6 root 1760: union target_semun {
1761: int val;
1762: abi_long buf;
1763: unsigned short int *array;
1764: };
1765:
1766: static inline abi_long target_to_host_semun(int cmd,
1767: union semun *host_su,
1768: abi_ulong target_addr,
1769: struct semid_ds *ds)
1770: {
1771: union target_semun *target_su;
1772:
1773: switch( cmd ) {
1774: case IPC_STAT:
1775: case IPC_SET:
1776: if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1777: return -TARGET_EFAULT;
1778: target_to_host_semid_ds(ds,target_su->buf);
1779: host_su->buf = ds;
1780: unlock_user_struct(target_su, target_addr, 0);
1781: break;
1782: case GETVAL:
1783: case SETVAL:
1784: if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1785: return -TARGET_EFAULT;
1786: host_su->val = tswapl(target_su->val);
1787: unlock_user_struct(target_su, target_addr, 0);
1788: break;
1789: case GETALL:
1790: case SETALL:
1791: if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1792: return -TARGET_EFAULT;
1793: *host_su->array = tswap16(*target_su->array);
1794: unlock_user_struct(target_su, target_addr, 0);
1795: break;
1796: default:
1797: gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1798: }
1799: return 0;
1800: }
1801:
1802: static inline abi_long host_to_target_semun(int cmd,
1803: abi_ulong target_addr,
1804: union semun *host_su,
1805: struct semid_ds *ds)
1806: {
1807: union target_semun *target_su;
1808:
1809: switch( cmd ) {
1810: case IPC_STAT:
1811: case IPC_SET:
1812: if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1813: return -TARGET_EFAULT;
1814: host_to_target_semid_ds(target_su->buf,ds);
1815: unlock_user_struct(target_su, target_addr, 1);
1816: break;
1817: case GETVAL:
1818: case SETVAL:
1819: if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1820: return -TARGET_EFAULT;
1821: target_su->val = tswapl(host_su->val);
1822: unlock_user_struct(target_su, target_addr, 1);
1823: break;
1824: case GETALL:
1825: case SETALL:
1826: if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1827: return -TARGET_EFAULT;
1828: *target_su->array = tswap16(*host_su->array);
1829: unlock_user_struct(target_su, target_addr, 1);
1830: break;
1831: default:
1832: gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1833: }
1834: return 0;
1835: }
1836:
1837: static inline abi_long do_semctl(int first, int second, int third,
1838: abi_long ptr)
1839: {
1840: union semun arg;
1841: struct semid_ds dsarg;
1842: int cmd = third&0xff;
1843: abi_long ret = 0;
1844:
1845: switch( cmd ) {
1846: case GETVAL:
1847: target_to_host_semun(cmd,&arg,ptr,&dsarg);
1848: ret = get_errno(semctl(first, second, cmd, arg));
1849: host_to_target_semun(cmd,ptr,&arg,&dsarg);
1850: break;
1851: case SETVAL:
1852: target_to_host_semun(cmd,&arg,ptr,&dsarg);
1853: ret = get_errno(semctl(first, second, cmd, arg));
1854: host_to_target_semun(cmd,ptr,&arg,&dsarg);
1855: break;
1856: case GETALL:
1857: target_to_host_semun(cmd,&arg,ptr,&dsarg);
1858: ret = get_errno(semctl(first, second, cmd, arg));
1859: host_to_target_semun(cmd,ptr,&arg,&dsarg);
1860: break;
1861: case SETALL:
1862: target_to_host_semun(cmd,&arg,ptr,&dsarg);
1863: ret = get_errno(semctl(first, second, cmd, arg));
1864: host_to_target_semun(cmd,ptr,&arg,&dsarg);
1865: break;
1866: case IPC_STAT:
1867: target_to_host_semun(cmd,&arg,ptr,&dsarg);
1868: ret = get_errno(semctl(first, second, cmd, arg));
1869: host_to_target_semun(cmd,ptr,&arg,&dsarg);
1870: break;
1871: case IPC_SET:
1872: target_to_host_semun(cmd,&arg,ptr,&dsarg);
1873: ret = get_errno(semctl(first, second, cmd, arg));
1874: host_to_target_semun(cmd,ptr,&arg,&dsarg);
1875: break;
1876: default:
1877: ret = get_errno(semctl(first, second, cmd, arg));
1878: }
1879:
1880: return ret;
1881: }
1882:
1883: struct target_msqid_ds
1884: {
1.1.1.7 ! root 1885: struct target_ipc_perm msg_perm;
! 1886: abi_ulong msg_stime;
! 1887: #if TARGET_ABI_BITS == 32
! 1888: abi_ulong __unused1;
! 1889: #endif
! 1890: abi_ulong msg_rtime;
! 1891: #if TARGET_ABI_BITS == 32
! 1892: abi_ulong __unused2;
! 1893: #endif
! 1894: abi_ulong msg_ctime;
! 1895: #if TARGET_ABI_BITS == 32
! 1896: abi_ulong __unused3;
! 1897: #endif
! 1898: abi_ulong __msg_cbytes;
! 1899: abi_ulong msg_qnum;
! 1900: abi_ulong msg_qbytes;
! 1901: abi_ulong msg_lspid;
! 1902: abi_ulong msg_lrpid;
! 1903: abi_ulong __unused4;
! 1904: abi_ulong __unused5;
1.1.1.6 root 1905: };
1906:
1907: static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
1908: abi_ulong target_addr)
1909: {
1910: struct target_msqid_ds *target_md;
1911:
1912: if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
1913: return -TARGET_EFAULT;
1.1.1.7 ! root 1914: if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
! 1915: return -TARGET_EFAULT;
1.1.1.6 root 1916: host_md->msg_stime = tswapl(target_md->msg_stime);
1917: host_md->msg_rtime = tswapl(target_md->msg_rtime);
1918: host_md->msg_ctime = tswapl(target_md->msg_ctime);
1919: host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1920: host_md->msg_qnum = tswapl(target_md->msg_qnum);
1921: host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1922: host_md->msg_lspid = tswapl(target_md->msg_lspid);
1923: host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1924: unlock_user_struct(target_md, target_addr, 0);
1925: return 0;
1926: }
1927:
1928: static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
1929: struct msqid_ds *host_md)
1930: {
1931: struct target_msqid_ds *target_md;
1932:
1933: if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
1934: return -TARGET_EFAULT;
1.1.1.7 ! root 1935: if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
! 1936: return -TARGET_EFAULT;
1.1.1.6 root 1937: target_md->msg_stime = tswapl(host_md->msg_stime);
1938: target_md->msg_rtime = tswapl(host_md->msg_rtime);
1939: target_md->msg_ctime = tswapl(host_md->msg_ctime);
1940: target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1941: target_md->msg_qnum = tswapl(host_md->msg_qnum);
1942: target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1943: target_md->msg_lspid = tswapl(host_md->msg_lspid);
1944: target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1945: unlock_user_struct(target_md, target_addr, 1);
1946: return 0;
1947: }
1948:
1.1.1.7 ! root 1949: struct target_msginfo {
! 1950: int msgpool;
! 1951: int msgmap;
! 1952: int msgmax;
! 1953: int msgmnb;
! 1954: int msgmni;
! 1955: int msgssz;
! 1956: int msgtql;
! 1957: unsigned short int msgseg;
! 1958: };
! 1959:
! 1960: static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
! 1961: struct msginfo *host_msginfo)
! 1962: {
! 1963: struct target_msginfo *target_msginfo;
! 1964: if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
! 1965: return -TARGET_EFAULT;
! 1966: __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
! 1967: __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
! 1968: __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
! 1969: __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
! 1970: __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
! 1971: __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
! 1972: __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
! 1973: __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
! 1974: unlock_user_struct(target_msginfo, target_addr, 1);
! 1975: return 0;
! 1976: }
! 1977:
! 1978: static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1.1.1.6 root 1979: {
1980: struct msqid_ds dsarg;
1.1.1.7 ! root 1981: struct msginfo msginfo;
! 1982: abi_long ret = -TARGET_EINVAL;
! 1983:
! 1984: cmd &= 0xff;
! 1985:
! 1986: switch (cmd) {
1.1.1.6 root 1987: case IPC_STAT:
1988: case IPC_SET:
1.1.1.7 ! root 1989: case MSG_STAT:
! 1990: if (target_to_host_msqid_ds(&dsarg,ptr))
! 1991: return -TARGET_EFAULT;
! 1992: ret = get_errno(msgctl(msgid, cmd, &dsarg));
! 1993: if (host_to_target_msqid_ds(ptr,&dsarg))
! 1994: return -TARGET_EFAULT;
! 1995: break;
! 1996: case IPC_RMID:
! 1997: ret = get_errno(msgctl(msgid, cmd, NULL));
! 1998: break;
! 1999: case IPC_INFO:
! 2000: case MSG_INFO:
! 2001: ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
! 2002: if (host_to_target_msginfo(ptr, &msginfo))
! 2003: return -TARGET_EFAULT;
! 2004: break;
1.1.1.6 root 2005: }
1.1.1.7 ! root 2006:
1.1.1.6 root 2007: return ret;
2008: }
2009:
2010: struct target_msgbuf {
1.1.1.7 ! root 2011: abi_long mtype;
! 2012: char mtext[1];
1.1.1.6 root 2013: };
2014:
2015: static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2016: unsigned int msgsz, int msgflg)
2017: {
2018: struct target_msgbuf *target_mb;
2019: struct msgbuf *host_mb;
2020: abi_long ret = 0;
2021:
2022: if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2023: return -TARGET_EFAULT;
2024: host_mb = malloc(msgsz+sizeof(long));
1.1.1.7 ! root 2025: host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
! 2026: memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1.1.1.6 root 2027: ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2028: free(host_mb);
2029: unlock_user_struct(target_mb, msgp, 0);
2030:
2031: return ret;
2032: }
2033:
2034: static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1.1.1.7 ! root 2035: unsigned int msgsz, abi_long msgtyp,
1.1.1.6 root 2036: int msgflg)
2037: {
2038: struct target_msgbuf *target_mb;
2039: char *target_mtext;
2040: struct msgbuf *host_mb;
2041: abi_long ret = 0;
2042:
2043: if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2044: return -TARGET_EFAULT;
1.1.1.7 ! root 2045:
1.1.1.6 root 2046: host_mb = malloc(msgsz+sizeof(long));
1.1.1.7 ! root 2047: ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
! 2048:
1.1.1.6 root 2049: if (ret > 0) {
2050: abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2051: target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2052: if (!target_mtext) {
2053: ret = -TARGET_EFAULT;
2054: goto end;
2055: }
1.1.1.7 ! root 2056: memcpy(target_mb->mtext, host_mb->mtext, ret);
1.1.1.6 root 2057: unlock_user(target_mtext, target_mtext_addr, ret);
2058: }
1.1.1.7 ! root 2059:
1.1.1.6 root 2060: target_mb->mtype = tswapl(host_mb->mtype);
2061: free(host_mb);
2062:
2063: end:
2064: if (target_mb)
2065: unlock_user_struct(target_mb, msgp, 1);
2066: return ret;
2067: }
2068:
1.1.1.7 ! root 2069: #ifdef TARGET_NR_ipc
1.1.1.3 root 2070: /* ??? This only works with linear mappings. */
1.1.1.6 root 2071: /* do_ipc() must return target values and target errnos. */
2072: static abi_long do_ipc(unsigned int call, int first,
2073: int second, int third,
2074: abi_long ptr, abi_long fifth)
1.1 root 2075: {
2076: int version;
1.1.1.6 root 2077: abi_long ret = 0;
1.1 root 2078: struct shmid_ds shm_info;
2079: int i;
2080:
2081: version = call >> 16;
2082: call &= 0xffff;
2083:
2084: switch (call) {
1.1.1.5 root 2085: case IPCOP_semop:
1.1.1.6 root 2086: ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second));
1.1.1.5 root 2087: break;
2088:
2089: case IPCOP_semget:
2090: ret = get_errno(semget(first, second, third));
2091: break;
2092:
2093: case IPCOP_semctl:
1.1.1.6 root 2094: ret = do_semctl(first, second, third, ptr);
1.1.1.5 root 2095: break;
2096:
2097: case IPCOP_semtimedop:
1.1.1.6 root 2098: gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2099: ret = -TARGET_ENOSYS;
1.1.1.5 root 2100: break;
2101:
1.1.1.7 ! root 2102: case IPCOP_msgget:
! 2103: ret = get_errno(msgget(first, second));
! 2104: break;
1.1.1.5 root 2105:
1.1.1.7 ! root 2106: case IPCOP_msgsnd:
! 2107: ret = do_msgsnd(first, ptr, second, third);
! 2108: break;
1.1.1.5 root 2109:
1.1.1.7 ! root 2110: case IPCOP_msgctl:
! 2111: ret = do_msgctl(first, second, ptr);
! 2112: break;
1.1.1.5 root 2113:
1.1.1.7 ! root 2114: case IPCOP_msgrcv:
! 2115: switch (version) {
! 2116: case 0:
! 2117: {
! 2118: struct target_ipc_kludge {
! 2119: abi_long msgp;
! 2120: abi_long msgtyp;
! 2121: } *tmp;
1.1.1.5 root 2122:
1.1.1.7 ! root 2123: if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
! 2124: ret = -TARGET_EFAULT;
! 2125: break;
! 2126: }
1.1.1.5 root 2127:
1.1.1.7 ! root 2128: ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
1.1.1.5 root 2129:
1.1.1.7 ! root 2130: unlock_user_struct(tmp, ptr, 0);
! 2131: break;
! 2132: }
! 2133: default:
! 2134: ret = do_msgrcv(first, ptr, second, fifth, third);
! 2135: }
! 2136: break;
1.1.1.5 root 2137:
1.1 root 2138: case IPCOP_shmat:
1.1.1.6 root 2139: {
2140: abi_ulong raddr;
2141: void *host_addr;
2142: /* SHM_* flags are the same on all linux platforms */
2143: host_addr = shmat(first, (void *)g2h(ptr), second);
2144: if (host_addr == (void *)-1) {
2145: ret = get_errno((long)host_addr);
1.1 root 2146: break;
1.1.1.6 root 2147: }
2148: raddr = h2g((unsigned long)host_addr);
2149: /* find out the length of the shared memory segment */
2150:
2151: ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
2152: if (is_error(ret)) {
2153: /* can't get length, bail out */
2154: shmdt(host_addr);
2155: break;
2156: }
2157: page_set_flags(raddr, raddr + shm_info.shm_segsz,
2158: PAGE_VALID | PAGE_READ |
2159: ((second & SHM_RDONLY)? 0: PAGE_WRITE));
2160: for (i = 0; i < N_SHM_REGIONS; ++i) {
2161: if (shm_regions[i].start == 0) {
2162: shm_regions[i].start = raddr;
2163: shm_regions[i].size = shm_info.shm_segsz;
2164: break;
2165: }
2166: }
2167: if (put_user_ual(raddr, third))
2168: return -TARGET_EFAULT;
2169: ret = 0;
2170: }
1.1 root 2171: break;
2172: case IPCOP_shmdt:
2173: for (i = 0; i < N_SHM_REGIONS; ++i) {
2174: if (shm_regions[i].start == ptr) {
2175: shm_regions[i].start = 0;
2176: page_set_flags(ptr, shm_regions[i].size, 0);
2177: break;
2178: }
2179: }
1.1.1.6 root 2180: ret = get_errno(shmdt((void *)g2h(ptr)));
1.1 root 2181: break;
2182:
2183: case IPCOP_shmget:
2184: /* IPC_* flag values are the same on all linux platforms */
2185: ret = get_errno(shmget(first, second, third));
2186: break;
2187:
2188: /* IPC_* and SHM_* command values are the same on all linux platforms */
2189: case IPCOP_shmctl:
2190: switch(second) {
2191: case IPC_RMID:
2192: case SHM_LOCK:
2193: case SHM_UNLOCK:
2194: ret = get_errno(shmctl(first, second, NULL));
2195: break;
2196: default:
2197: goto unimplemented;
2198: }
2199: break;
2200: default:
2201: unimplemented:
1.1.1.6 root 2202: gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2203: ret = -TARGET_ENOSYS;
1.1 root 2204: break;
2205: }
2206: return ret;
2207: }
1.1.1.6 root 2208: #endif
1.1 root 2209:
2210: /* kernel structure types definitions */
2211: #define IFNAMSIZ 16
2212:
2213: #define STRUCT(name, list...) STRUCT_ ## name,
2214: #define STRUCT_SPECIAL(name) STRUCT_ ## name,
2215: enum {
2216: #include "syscall_types.h"
2217: };
2218: #undef STRUCT
2219: #undef STRUCT_SPECIAL
2220:
1.1.1.7 ! root 2221: #define STRUCT(name, list...) static const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1.1 root 2222: #define STRUCT_SPECIAL(name)
2223: #include "syscall_types.h"
2224: #undef STRUCT
2225: #undef STRUCT_SPECIAL
2226:
2227: typedef struct IOCTLEntry {
2228: unsigned int target_cmd;
2229: unsigned int host_cmd;
2230: const char *name;
2231: int access;
2232: const argtype arg_type[5];
2233: } IOCTLEntry;
2234:
2235: #define IOC_R 0x0001
2236: #define IOC_W 0x0002
2237: #define IOC_RW (IOC_R | IOC_W)
2238:
2239: #define MAX_STRUCT_SIZE 4096
2240:
1.1.1.7 ! root 2241: static IOCTLEntry ioctl_entries[] = {
1.1 root 2242: #define IOCTL(cmd, access, types...) \
2243: { TARGET_ ## cmd, cmd, #cmd, access, { types } },
2244: #include "ioctls.h"
2245: { 0, 0, },
2246: };
2247:
1.1.1.3 root 2248: /* ??? Implement proper locking for ioctls. */
1.1.1.6 root 2249: /* do_ioctl() Must return target values and target errnos. */
2250: static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
1.1 root 2251: {
2252: const IOCTLEntry *ie;
2253: const argtype *arg_type;
1.1.1.6 root 2254: abi_long ret;
1.1 root 2255: uint8_t buf_temp[MAX_STRUCT_SIZE];
1.1.1.3 root 2256: int target_size;
2257: void *argptr;
1.1 root 2258:
2259: ie = ioctl_entries;
2260: for(;;) {
2261: if (ie->target_cmd == 0) {
1.1.1.6 root 2262: gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
2263: return -TARGET_ENOSYS;
1.1 root 2264: }
2265: if (ie->target_cmd == cmd)
2266: break;
2267: ie++;
2268: }
2269: arg_type = ie->arg_type;
2270: #if defined(DEBUG)
1.1.1.6 root 2271: gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
1.1 root 2272: #endif
2273: switch(arg_type[0]) {
2274: case TYPE_NULL:
2275: /* no argument */
2276: ret = get_errno(ioctl(fd, ie->host_cmd));
2277: break;
2278: case TYPE_PTRVOID:
2279: case TYPE_INT:
2280: /* int argment */
2281: ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2282: break;
2283: case TYPE_PTR:
2284: arg_type++;
1.1.1.3 root 2285: target_size = thunk_type_size(arg_type, 0);
1.1 root 2286: switch(ie->access) {
2287: case IOC_R:
2288: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2289: if (!is_error(ret)) {
1.1.1.6 root 2290: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2291: if (!argptr)
2292: return -TARGET_EFAULT;
1.1.1.3 root 2293: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2294: unlock_user(argptr, arg, target_size);
1.1 root 2295: }
2296: break;
2297: case IOC_W:
1.1.1.6 root 2298: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2299: if (!argptr)
2300: return -TARGET_EFAULT;
1.1.1.3 root 2301: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2302: unlock_user(argptr, arg, 0);
1.1 root 2303: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2304: break;
2305: default:
2306: case IOC_RW:
1.1.1.6 root 2307: argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2308: if (!argptr)
2309: return -TARGET_EFAULT;
1.1.1.3 root 2310: thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2311: unlock_user(argptr, arg, 0);
1.1 root 2312: ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2313: if (!is_error(ret)) {
1.1.1.6 root 2314: argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2315: if (!argptr)
2316: return -TARGET_EFAULT;
1.1.1.3 root 2317: thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2318: unlock_user(argptr, arg, target_size);
1.1 root 2319: }
2320: break;
2321: }
2322: break;
2323: default:
1.1.1.6 root 2324: gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2325: (long)cmd, arg_type[0]);
2326: ret = -TARGET_ENOSYS;
1.1 root 2327: break;
2328: }
2329: return ret;
2330: }
2331:
1.1.1.7 ! root 2332: static const bitmask_transtbl iflag_tbl[] = {
1.1 root 2333: { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2334: { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2335: { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2336: { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2337: { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2338: { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2339: { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2340: { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2341: { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2342: { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2343: { TARGET_IXON, TARGET_IXON, IXON, IXON },
2344: { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2345: { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2346: { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2347: { 0, 0, 0, 0 }
2348: };
2349:
1.1.1.7 ! root 2350: static const bitmask_transtbl oflag_tbl[] = {
1.1 root 2351: { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2352: { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2353: { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2354: { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2355: { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2356: { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2357: { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2358: { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2359: { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2360: { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2361: { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2362: { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2363: { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2364: { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2365: { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
2366: { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
2367: { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
2368: { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
2369: { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
2370: { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
2371: { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
2372: { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
2373: { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
2374: { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
2375: { 0, 0, 0, 0 }
2376: };
2377:
1.1.1.7 ! root 2378: static const bitmask_transtbl cflag_tbl[] = {
1.1 root 2379: { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
2380: { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
2381: { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
2382: { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
2383: { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
2384: { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
2385: { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
2386: { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
2387: { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
2388: { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
2389: { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
2390: { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
2391: { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
2392: { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
2393: { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
2394: { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
2395: { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
2396: { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
2397: { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
2398: { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
2399: { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
2400: { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
2401: { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
2402: { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
2403: { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
2404: { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
2405: { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
2406: { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
2407: { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
2408: { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
2409: { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
2410: { 0, 0, 0, 0 }
2411: };
2412:
1.1.1.7 ! root 2413: static const bitmask_transtbl lflag_tbl[] = {
1.1 root 2414: { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
2415: { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
2416: { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
2417: { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
2418: { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
2419: { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
2420: { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
2421: { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
2422: { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
2423: { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
2424: { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
2425: { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
2426: { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
2427: { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
2428: { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
2429: { 0, 0, 0, 0 }
2430: };
2431:
2432: static void target_to_host_termios (void *dst, const void *src)
2433: {
2434: struct host_termios *host = dst;
2435: const struct target_termios *target = src;
1.1.1.6 root 2436:
2437: host->c_iflag =
1.1 root 2438: target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1.1.1.6 root 2439: host->c_oflag =
1.1 root 2440: target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1.1.1.6 root 2441: host->c_cflag =
1.1 root 2442: target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1.1.1.6 root 2443: host->c_lflag =
1.1 root 2444: target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
2445: host->c_line = target->c_line;
1.1.1.6 root 2446:
2447: host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
2448: host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
2449: host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
2450: host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
2451: host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
2452: host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
2453: host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
2454: host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
2455: host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
2456: host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
2457: host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
2458: host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
2459: host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
2460: host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
2461: host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
2462: host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
2463: host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1.1 root 2464: }
1.1.1.6 root 2465:
1.1 root 2466: static void host_to_target_termios (void *dst, const void *src)
2467: {
2468: struct target_termios *target = dst;
2469: const struct host_termios *host = src;
2470:
1.1.1.6 root 2471: target->c_iflag =
1.1 root 2472: tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1.1.1.6 root 2473: target->c_oflag =
1.1 root 2474: tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1.1.1.6 root 2475: target->c_cflag =
1.1 root 2476: tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1.1.1.6 root 2477: target->c_lflag =
1.1 root 2478: tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
2479: target->c_line = host->c_line;
1.1.1.6 root 2480:
1.1 root 2481: target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
2482: target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
2483: target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
2484: target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
2485: target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
2486: target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
2487: target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
2488: target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
2489: target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
2490: target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
2491: target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
2492: target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
2493: target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
2494: target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
2495: target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
2496: target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
2497: target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
2498: }
2499:
1.1.1.7 ! root 2500: static const StructEntry struct_termios_def = {
1.1 root 2501: .convert = { host_to_target_termios, target_to_host_termios },
2502: .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
2503: .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
2504: };
2505:
2506: static bitmask_transtbl mmap_flags_tbl[] = {
2507: { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
2508: { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
2509: { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
2510: { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
2511: { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
2512: { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
2513: { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
2514: { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
2515: { 0, 0, 0, 0 }
2516: };
2517:
2518: static bitmask_transtbl fcntl_flags_tbl[] = {
2519: { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
2520: { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
2521: { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
2522: { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
2523: { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
2524: { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
2525: { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
2526: { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
2527: { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
2528: { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
2529: { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
2530: { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
2531: { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
2532: #if defined(O_DIRECT)
2533: { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
2534: #endif
2535: { 0, 0, 0, 0 }
2536: };
2537:
2538: #if defined(TARGET_I386)
2539:
2540: /* NOTE: there is really one LDT for all the threads */
1.1.1.7 ! root 2541: static uint8_t *ldt_table;
1.1 root 2542:
1.1.1.6 root 2543: static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
1.1 root 2544: {
2545: int size;
1.1.1.3 root 2546: void *p;
1.1 root 2547:
2548: if (!ldt_table)
2549: return 0;
2550: size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2551: if (size > bytecount)
2552: size = bytecount;
1.1.1.6 root 2553: p = lock_user(VERIFY_WRITE, ptr, size, 0);
2554: if (!p)
2555: return -TARGET_EFAULT;
2556: /* ??? Should this by byteswapped? */
1.1.1.3 root 2557: memcpy(p, ldt_table, size);
2558: unlock_user(p, ptr, size);
1.1 root 2559: return size;
2560: }
2561:
2562: /* XXX: add locking support */
1.1.1.6 root 2563: static abi_long write_ldt(CPUX86State *env,
2564: abi_ulong ptr, unsigned long bytecount, int oldmode)
1.1 root 2565: {
2566: struct target_modify_ldt_ldt_s ldt_info;
1.1.1.3 root 2567: struct target_modify_ldt_ldt_s *target_ldt_info;
1.1 root 2568: int seg_32bit, contents, read_exec_only, limit_in_pages;
1.1.1.6 root 2569: int seg_not_present, useable, lm;
1.1 root 2570: uint32_t *lp, entry_1, entry_2;
2571:
2572: if (bytecount != sizeof(ldt_info))
1.1.1.6 root 2573: return -TARGET_EINVAL;
2574: if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
2575: return -TARGET_EFAULT;
1.1.1.3 root 2576: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2577: ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2578: ldt_info.limit = tswap32(target_ldt_info->limit);
2579: ldt_info.flags = tswap32(target_ldt_info->flags);
2580: unlock_user_struct(target_ldt_info, ptr, 0);
1.1.1.6 root 2581:
1.1 root 2582: if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1.1.1.6 root 2583: return -TARGET_EINVAL;
1.1 root 2584: seg_32bit = ldt_info.flags & 1;
2585: contents = (ldt_info.flags >> 1) & 3;
2586: read_exec_only = (ldt_info.flags >> 3) & 1;
2587: limit_in_pages = (ldt_info.flags >> 4) & 1;
2588: seg_not_present = (ldt_info.flags >> 5) & 1;
2589: useable = (ldt_info.flags >> 6) & 1;
1.1.1.6 root 2590: #ifdef TARGET_ABI32
2591: lm = 0;
2592: #else
2593: lm = (ldt_info.flags >> 7) & 1;
2594: #endif
1.1 root 2595: if (contents == 3) {
2596: if (oldmode)
1.1.1.6 root 2597: return -TARGET_EINVAL;
1.1 root 2598: if (seg_not_present == 0)
1.1.1.6 root 2599: return -TARGET_EINVAL;
1.1 root 2600: }
2601: /* allocate the LDT */
2602: if (!ldt_table) {
1.1.1.7 ! root 2603: env->ldt.base = target_mmap(0,
! 2604: TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
! 2605: PROT_READ|PROT_WRITE,
! 2606: MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
! 2607: if (env->ldt.base == -1)
1.1.1.6 root 2608: return -TARGET_ENOMEM;
1.1.1.7 ! root 2609: memset(g2h(env->ldt.base), 0,
! 2610: TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1.1 root 2611: env->ldt.limit = 0xffff;
1.1.1.7 ! root 2612: ldt_table = g2h(env->ldt.base);
1.1 root 2613: }
2614:
2615: /* NOTE: same code as Linux kernel */
2616: /* Allow LDTs to be cleared by the user. */
2617: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2618: if (oldmode ||
2619: (contents == 0 &&
2620: read_exec_only == 1 &&
2621: seg_32bit == 0 &&
2622: limit_in_pages == 0 &&
2623: seg_not_present == 1 &&
2624: useable == 0 )) {
2625: entry_1 = 0;
2626: entry_2 = 0;
2627: goto install;
2628: }
2629: }
1.1.1.6 root 2630:
1.1 root 2631: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2632: (ldt_info.limit & 0x0ffff);
2633: entry_2 = (ldt_info.base_addr & 0xff000000) |
2634: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2635: (ldt_info.limit & 0xf0000) |
2636: ((read_exec_only ^ 1) << 9) |
2637: (contents << 10) |
2638: ((seg_not_present ^ 1) << 15) |
2639: (seg_32bit << 22) |
2640: (limit_in_pages << 23) |
1.1.1.6 root 2641: (lm << 21) |
1.1 root 2642: 0x7000;
2643: if (!oldmode)
2644: entry_2 |= (useable << 20);
2645:
2646: /* Install the new entry ... */
2647: install:
2648: lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2649: lp[0] = tswap32(entry_1);
2650: lp[1] = tswap32(entry_2);
2651: return 0;
2652: }
2653:
2654: /* specific and weird i386 syscalls */
1.1.1.7 ! root 2655: static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
! 2656: unsigned long bytecount)
1.1 root 2657: {
1.1.1.6 root 2658: abi_long ret;
2659:
1.1 root 2660: switch (func) {
2661: case 0:
2662: ret = read_ldt(ptr, bytecount);
2663: break;
2664: case 1:
2665: ret = write_ldt(env, ptr, bytecount, 1);
2666: break;
2667: case 0x11:
2668: ret = write_ldt(env, ptr, bytecount, 0);
2669: break;
1.1.1.6 root 2670: default:
2671: ret = -TARGET_ENOSYS;
2672: break;
1.1 root 2673: }
2674: return ret;
2675: }
2676:
1.1.1.7 ! root 2677: #if defined(TARGET_I386) && defined(TARGET_ABI32)
! 2678: static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
1.1.1.6 root 2679: {
2680: uint64_t *gdt_table = g2h(env->gdt.base);
2681: struct target_modify_ldt_ldt_s ldt_info;
2682: struct target_modify_ldt_ldt_s *target_ldt_info;
2683: int seg_32bit, contents, read_exec_only, limit_in_pages;
2684: int seg_not_present, useable, lm;
2685: uint32_t *lp, entry_1, entry_2;
2686: int i;
2687:
2688: lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
2689: if (!target_ldt_info)
2690: return -TARGET_EFAULT;
2691: ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2692: ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2693: ldt_info.limit = tswap32(target_ldt_info->limit);
2694: ldt_info.flags = tswap32(target_ldt_info->flags);
2695: if (ldt_info.entry_number == -1) {
2696: for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
2697: if (gdt_table[i] == 0) {
2698: ldt_info.entry_number = i;
2699: target_ldt_info->entry_number = tswap32(i);
2700: break;
2701: }
2702: }
2703: }
2704: unlock_user_struct(target_ldt_info, ptr, 1);
2705:
2706: if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
2707: ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
2708: return -TARGET_EINVAL;
2709: seg_32bit = ldt_info.flags & 1;
2710: contents = (ldt_info.flags >> 1) & 3;
2711: read_exec_only = (ldt_info.flags >> 3) & 1;
2712: limit_in_pages = (ldt_info.flags >> 4) & 1;
2713: seg_not_present = (ldt_info.flags >> 5) & 1;
2714: useable = (ldt_info.flags >> 6) & 1;
2715: #ifdef TARGET_ABI32
2716: lm = 0;
2717: #else
2718: lm = (ldt_info.flags >> 7) & 1;
2719: #endif
2720:
2721: if (contents == 3) {
2722: if (seg_not_present == 0)
2723: return -TARGET_EINVAL;
2724: }
2725:
2726: /* NOTE: same code as Linux kernel */
2727: /* Allow LDTs to be cleared by the user. */
2728: if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2729: if ((contents == 0 &&
2730: read_exec_only == 1 &&
2731: seg_32bit == 0 &&
2732: limit_in_pages == 0 &&
2733: seg_not_present == 1 &&
2734: useable == 0 )) {
2735: entry_1 = 0;
2736: entry_2 = 0;
2737: goto install;
2738: }
2739: }
2740:
2741: entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2742: (ldt_info.limit & 0x0ffff);
2743: entry_2 = (ldt_info.base_addr & 0xff000000) |
2744: ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2745: (ldt_info.limit & 0xf0000) |
2746: ((read_exec_only ^ 1) << 9) |
2747: (contents << 10) |
2748: ((seg_not_present ^ 1) << 15) |
2749: (seg_32bit << 22) |
2750: (limit_in_pages << 23) |
2751: (useable << 20) |
2752: (lm << 21) |
2753: 0x7000;
2754:
2755: /* Install the new entry ... */
2756: install:
2757: lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
2758: lp[0] = tswap32(entry_1);
2759: lp[1] = tswap32(entry_2);
2760: return 0;
2761: }
2762:
1.1.1.7 ! root 2763: static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
1.1.1.6 root 2764: {
2765: struct target_modify_ldt_ldt_s *target_ldt_info;
2766: uint64_t *gdt_table = g2h(env->gdt.base);
2767: uint32_t base_addr, limit, flags;
2768: int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
2769: int seg_not_present, useable, lm;
2770: uint32_t *lp, entry_1, entry_2;
2771:
2772: lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
2773: if (!target_ldt_info)
2774: return -TARGET_EFAULT;
2775: idx = tswap32(target_ldt_info->entry_number);
2776: if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
2777: idx > TARGET_GDT_ENTRY_TLS_MAX) {
2778: unlock_user_struct(target_ldt_info, ptr, 1);
2779: return -TARGET_EINVAL;
2780: }
2781: lp = (uint32_t *)(gdt_table + idx);
2782: entry_1 = tswap32(lp[0]);
2783: entry_2 = tswap32(lp[1]);
2784:
2785: read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
2786: contents = (entry_2 >> 10) & 3;
2787: seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
2788: seg_32bit = (entry_2 >> 22) & 1;
2789: limit_in_pages = (entry_2 >> 23) & 1;
2790: useable = (entry_2 >> 20) & 1;
2791: #ifdef TARGET_ABI32
2792: lm = 0;
2793: #else
2794: lm = (entry_2 >> 21) & 1;
2795: #endif
2796: flags = (seg_32bit << 0) | (contents << 1) |
2797: (read_exec_only << 3) | (limit_in_pages << 4) |
2798: (seg_not_present << 5) | (useable << 6) | (lm << 7);
2799: limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
2800: base_addr = (entry_1 >> 16) |
2801: (entry_2 & 0xff000000) |
2802: ((entry_2 & 0xff) << 16);
2803: target_ldt_info->base_addr = tswapl(base_addr);
2804: target_ldt_info->limit = tswap32(limit);
2805: target_ldt_info->flags = tswap32(flags);
2806: unlock_user_struct(target_ldt_info, ptr, 1);
2807: return 0;
2808: }
1.1.1.7 ! root 2809: #endif /* TARGET_I386 && TARGET_ABI32 */
1.1.1.6 root 2810:
2811: #ifndef TARGET_ABI32
1.1.1.7 ! root 2812: static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
1.1.1.6 root 2813: {
2814: abi_long ret;
2815: abi_ulong val;
2816: int idx;
2817:
2818: switch(code) {
2819: case TARGET_ARCH_SET_GS:
2820: case TARGET_ARCH_SET_FS:
2821: if (code == TARGET_ARCH_SET_GS)
2822: idx = R_GS;
2823: else
2824: idx = R_FS;
2825: cpu_x86_load_seg(env, idx, 0);
2826: env->segs[idx].base = addr;
2827: break;
2828: case TARGET_ARCH_GET_GS:
2829: case TARGET_ARCH_GET_FS:
2830: if (code == TARGET_ARCH_GET_GS)
2831: idx = R_GS;
2832: else
2833: idx = R_FS;
2834: val = env->segs[idx].base;
2835: if (put_user(val, addr, abi_ulong))
2836: return -TARGET_EFAULT;
2837: break;
2838: default:
2839: ret = -TARGET_EINVAL;
2840: break;
2841: }
2842: return 0;
2843: }
2844: #endif
2845:
1.1 root 2846: #endif /* defined(TARGET_I386) */
2847:
1.1.1.7 ! root 2848: #if defined(USE_NPTL)
! 2849:
! 2850: #define NEW_STACK_SIZE PTHREAD_STACK_MIN
! 2851:
! 2852: static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
! 2853: typedef struct {
! 2854: CPUState *env;
! 2855: pthread_mutex_t mutex;
! 2856: pthread_cond_t cond;
! 2857: pthread_t thread;
! 2858: uint32_t tid;
! 2859: abi_ulong child_tidptr;
! 2860: abi_ulong parent_tidptr;
! 2861: sigset_t sigmask;
! 2862: } new_thread_info;
! 2863:
! 2864: static void *clone_func(void *arg)
! 2865: {
! 2866: new_thread_info *info = arg;
! 2867: CPUState *env;
! 2868:
! 2869: env = info->env;
! 2870: thread_env = env;
! 2871: info->tid = gettid();
! 2872: if (info->child_tidptr)
! 2873: put_user_u32(info->tid, info->child_tidptr);
! 2874: if (info->parent_tidptr)
! 2875: put_user_u32(info->tid, info->parent_tidptr);
! 2876: /* Enable signals. */
! 2877: sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
! 2878: /* Signal to the parent that we're ready. */
! 2879: pthread_mutex_lock(&info->mutex);
! 2880: pthread_cond_broadcast(&info->cond);
! 2881: pthread_mutex_unlock(&info->mutex);
! 2882: /* Wait until the parent has finshed initializing the tls state. */
! 2883: pthread_mutex_lock(&clone_lock);
! 2884: pthread_mutex_unlock(&clone_lock);
! 2885: cpu_loop(env);
! 2886: /* never exits */
! 2887: return NULL;
! 2888: }
! 2889: #else
1.1 root 2890: /* this stack is the equivalent of the kernel stack associated with a
2891: thread/process */
2892: #define NEW_STACK_SIZE 8192
2893:
2894: static int clone_func(void *arg)
2895: {
2896: CPUState *env = arg;
2897: cpu_loop(env);
2898: /* never exits */
2899: return 0;
2900: }
1.1.1.7 ! root 2901: #endif
1.1 root 2902:
1.1.1.6 root 2903: /* do_fork() Must return host values and target errnos (unlike most
2904: do_*() functions). */
1.1.1.7 ! root 2905: static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
! 2906: abi_ulong parent_tidptr, target_ulong newtls,
! 2907: abi_ulong child_tidptr)
1.1 root 2908: {
2909: int ret;
2910: TaskState *ts;
2911: uint8_t *new_stack;
2912: CPUState *new_env;
1.1.1.7 ! root 2913: #if defined(USE_NPTL)
! 2914: unsigned int nptl_flags;
! 2915: sigset_t sigmask;
! 2916: #endif
! 2917:
! 2918: /* Emulate vfork() with fork() */
! 2919: if (flags & CLONE_VFORK)
! 2920: flags &= ~(CLONE_VFORK | CLONE_VM);
1.1.1.6 root 2921:
1.1 root 2922: if (flags & CLONE_VM) {
1.1.1.7 ! root 2923: #if defined(USE_NPTL)
! 2924: new_thread_info info;
! 2925: pthread_attr_t attr;
! 2926: #endif
! 2927: ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
! 2928: init_task_state(ts);
1.1 root 2929: new_stack = ts->stack;
2930: /* we create a new CPU instance. */
1.1.1.6 root 2931: new_env = cpu_copy(env);
1.1.1.7 ! root 2932: /* Init regs that differ from the parent. */
! 2933: cpu_clone_regs(new_env, newsp);
! 2934: new_env->opaque = ts;
! 2935: #if defined(USE_NPTL)
! 2936: nptl_flags = flags;
! 2937: flags &= ~CLONE_NPTL_FLAGS2;
! 2938:
! 2939: /* TODO: Implement CLONE_CHILD_CLEARTID. */
! 2940: if (nptl_flags & CLONE_SETTLS)
! 2941: cpu_set_tls (new_env, newtls);
! 2942:
! 2943: /* Grab a mutex so that thread setup appears atomic. */
! 2944: pthread_mutex_lock(&clone_lock);
! 2945:
! 2946: memset(&info, 0, sizeof(info));
! 2947: pthread_mutex_init(&info.mutex, NULL);
! 2948: pthread_mutex_lock(&info.mutex);
! 2949: pthread_cond_init(&info.cond, NULL);
! 2950: info.env = new_env;
! 2951: if (nptl_flags & CLONE_CHILD_SETTID)
! 2952: info.child_tidptr = child_tidptr;
! 2953: if (nptl_flags & CLONE_PARENT_SETTID)
! 2954: info.parent_tidptr = parent_tidptr;
! 2955:
! 2956: ret = pthread_attr_init(&attr);
! 2957: ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
! 2958: /* It is not safe to deliver signals until the child has finished
! 2959: initializing, so temporarily block all signals. */
! 2960: sigfillset(&sigmask);
! 2961: sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
! 2962:
! 2963: ret = pthread_create(&info.thread, &attr, clone_func, &info);
! 2964:
! 2965: sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
! 2966: pthread_attr_destroy(&attr);
! 2967: if (ret == 0) {
! 2968: /* Wait for the child to initialize. */
! 2969: pthread_cond_wait(&info.cond, &info.mutex);
! 2970: ret = info.tid;
! 2971: if (flags & CLONE_PARENT_SETTID)
! 2972: put_user_u32(ret, parent_tidptr);
! 2973: } else {
! 2974: ret = -1;
1.1.1.6 root 2975: }
1.1.1.7 ! root 2976: pthread_mutex_unlock(&info.mutex);
! 2977: pthread_cond_destroy(&info.cond);
! 2978: pthread_mutex_destroy(&info.mutex);
! 2979: pthread_mutex_unlock(&clone_lock);
1.1 root 2980: #else
1.1.1.7 ! root 2981: if (flags & CLONE_NPTL_FLAGS2)
! 2982: return -EINVAL;
! 2983: /* This is probably going to die very quickly, but do it anyway. */
1.1 root 2984: #ifdef __ia64__
1.1.1.3 root 2985: ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1.1 root 2986: #else
2987: ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2988: #endif
1.1.1.7 ! root 2989: #endif
1.1 root 2990: } else {
2991: /* if no CLONE_VM, we consider it is a fork */
1.1.1.7 ! root 2992: if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1.1 root 2993: return -EINVAL;
1.1.1.7 ! root 2994: fork_start();
1.1 root 2995: ret = fork();
1.1.1.7 ! root 2996: if (ret == 0) {
! 2997: /* Child Process. */
! 2998: cpu_clone_regs(env, newsp);
! 2999: fork_end(1);
! 3000: #if defined(USE_NPTL)
! 3001: /* There is a race condition here. The parent process could
! 3002: theoretically read the TID in the child process before the child
! 3003: tid is set. This would require using either ptrace
! 3004: (not implemented) or having *_tidptr to point at a shared memory
! 3005: mapping. We can't repeat the spinlock hack used above because
! 3006: the child process gets its own copy of the lock. */
! 3007: if (flags & CLONE_CHILD_SETTID)
! 3008: put_user_u32(gettid(), child_tidptr);
! 3009: if (flags & CLONE_PARENT_SETTID)
! 3010: put_user_u32(gettid(), parent_tidptr);
! 3011: ts = (TaskState *)env->opaque;
! 3012: if (flags & CLONE_SETTLS)
! 3013: cpu_set_tls (env, newtls);
! 3014: /* TODO: Implement CLONE_CHILD_CLEARTID. */
! 3015: #endif
! 3016: } else {
! 3017: fork_end(0);
! 3018: }
1.1 root 3019: }
3020: return ret;
3021: }
3022:
1.1.1.6 root 3023: static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
1.1 root 3024: {
3025: struct flock fl;
1.1.1.3 root 3026: struct target_flock *target_fl;
1.1.1.5 root 3027: struct flock64 fl64;
3028: struct target_flock64 *target_fl64;
1.1.1.6 root 3029: abi_long ret;
1.1.1.3 root 3030:
1.1 root 3031: switch(cmd) {
3032: case TARGET_F_GETLK:
1.1.1.6 root 3033: if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3034: return -TARGET_EFAULT;
3035: fl.l_type = tswap16(target_fl->l_type);
3036: fl.l_whence = tswap16(target_fl->l_whence);
3037: fl.l_start = tswapl(target_fl->l_start);
3038: fl.l_len = tswapl(target_fl->l_len);
3039: fl.l_pid = tswapl(target_fl->l_pid);
3040: unlock_user_struct(target_fl, arg, 0);
3041: ret = get_errno(fcntl(fd, cmd, &fl));
1.1 root 3042: if (ret == 0) {
1.1.1.6 root 3043: if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3044: return -TARGET_EFAULT;
1.1 root 3045: target_fl->l_type = tswap16(fl.l_type);
3046: target_fl->l_whence = tswap16(fl.l_whence);
3047: target_fl->l_start = tswapl(fl.l_start);
3048: target_fl->l_len = tswapl(fl.l_len);
3049: target_fl->l_pid = tswapl(fl.l_pid);
1.1.1.3 root 3050: unlock_user_struct(target_fl, arg, 1);
1.1 root 3051: }
3052: break;
1.1.1.6 root 3053:
1.1 root 3054: case TARGET_F_SETLK:
3055: case TARGET_F_SETLKW:
1.1.1.6 root 3056: if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3057: return -TARGET_EFAULT;
1.1 root 3058: fl.l_type = tswap16(target_fl->l_type);
3059: fl.l_whence = tswap16(target_fl->l_whence);
3060: fl.l_start = tswapl(target_fl->l_start);
3061: fl.l_len = tswapl(target_fl->l_len);
3062: fl.l_pid = tswapl(target_fl->l_pid);
1.1.1.3 root 3063: unlock_user_struct(target_fl, arg, 0);
1.1.1.6 root 3064: ret = get_errno(fcntl(fd, cmd, &fl));
1.1 root 3065: break;
1.1.1.6 root 3066:
1.1 root 3067: case TARGET_F_GETLK64:
1.1.1.6 root 3068: if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3069: return -TARGET_EFAULT;
3070: fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3071: fl64.l_whence = tswap16(target_fl64->l_whence);
3072: fl64.l_start = tswapl(target_fl64->l_start);
3073: fl64.l_len = tswapl(target_fl64->l_len);
3074: fl64.l_pid = tswap16(target_fl64->l_pid);
3075: unlock_user_struct(target_fl64, arg, 0);
3076: ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
1.1.1.5 root 3077: if (ret == 0) {
1.1.1.6 root 3078: if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3079: return -TARGET_EFAULT;
1.1.1.5 root 3080: target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3081: target_fl64->l_whence = tswap16(fl64.l_whence);
3082: target_fl64->l_start = tswapl(fl64.l_start);
3083: target_fl64->l_len = tswapl(fl64.l_len);
3084: target_fl64->l_pid = tswapl(fl64.l_pid);
3085: unlock_user_struct(target_fl64, arg, 1);
3086: }
1.1.1.6 root 3087: break;
1.1 root 3088: case TARGET_F_SETLK64:
3089: case TARGET_F_SETLKW64:
1.1.1.6 root 3090: if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3091: return -TARGET_EFAULT;
1.1.1.5 root 3092: fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3093: fl64.l_whence = tswap16(target_fl64->l_whence);
3094: fl64.l_start = tswapl(target_fl64->l_start);
3095: fl64.l_len = tswapl(target_fl64->l_len);
3096: fl64.l_pid = tswap16(target_fl64->l_pid);
3097: unlock_user_struct(target_fl64, arg, 0);
1.1.1.6 root 3098: ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
1.1 root 3099: break;
3100:
3101: case F_GETFL:
1.1.1.6 root 3102: ret = get_errno(fcntl(fd, cmd, arg));
3103: if (ret >= 0) {
3104: ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3105: }
1.1 root 3106: break;
3107:
3108: case F_SETFL:
1.1.1.6 root 3109: ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
1.1 root 3110: break;
3111:
3112: default:
1.1.1.6 root 3113: ret = get_errno(fcntl(fd, cmd, arg));
1.1 root 3114: break;
3115: }
3116: return ret;
3117: }
3118:
3119: #ifdef USE_UID16
3120:
3121: static inline int high2lowuid(int uid)
3122: {
3123: if (uid > 65535)
3124: return 65534;
3125: else
3126: return uid;
3127: }
3128:
3129: static inline int high2lowgid(int gid)
3130: {
3131: if (gid > 65535)
3132: return 65534;
3133: else
3134: return gid;
3135: }
3136:
3137: static inline int low2highuid(int uid)
3138: {
3139: if ((int16_t)uid == -1)
3140: return -1;
3141: else
3142: return uid;
3143: }
3144:
3145: static inline int low2highgid(int gid)
3146: {
3147: if ((int16_t)gid == -1)
3148: return -1;
3149: else
3150: return gid;
3151: }
3152:
3153: #endif /* USE_UID16 */
3154:
3155: void syscall_init(void)
3156: {
3157: IOCTLEntry *ie;
3158: const argtype *arg_type;
3159: int size;
1.1.1.6 root 3160: int i;
1.1 root 3161:
1.1.1.6 root 3162: #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
3163: #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1.1 root 3164: #include "syscall_types.h"
3165: #undef STRUCT
3166: #undef STRUCT_SPECIAL
3167:
3168: /* we patch the ioctl size if necessary. We rely on the fact that
3169: no ioctl has all the bits at '1' in the size field */
3170: ie = ioctl_entries;
3171: while (ie->target_cmd != 0) {
3172: if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3173: TARGET_IOC_SIZEMASK) {
3174: arg_type = ie->arg_type;
3175: if (arg_type[0] != TYPE_PTR) {
1.1.1.6 root 3176: fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1.1 root 3177: ie->target_cmd);
3178: exit(1);
3179: }
3180: arg_type++;
3181: size = thunk_type_size(arg_type, 0);
1.1.1.6 root 3182: ie->target_cmd = (ie->target_cmd &
1.1 root 3183: ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3184: (size << TARGET_IOC_SIZESHIFT);
3185: }
1.1.1.6 root 3186:
3187: /* Build target_to_host_errno_table[] table from
3188: * host_to_target_errno_table[]. */
3189: for (i=0; i < ERRNO_TABLE_SIZE; i++)
3190: target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3191:
1.1 root 3192: /* automatic consistency check if same arch */
1.1.1.7 ! root 3193: #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
! 3194: (defined(__x86_64__) && defined(TARGET_X86_64))
! 3195: if (unlikely(ie->target_cmd != ie->host_cmd)) {
! 3196: fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
! 3197: ie->name, ie->target_cmd, ie->host_cmd);
1.1 root 3198: }
3199: #endif
3200: ie++;
3201: }
3202: }
3203:
1.1.1.6 root 3204: #if TARGET_ABI_BITS == 32
1.1.1.3 root 3205: static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3206: {
1.1.1.7 ! root 3207: #ifdef TARGET_WORDS_BIGENDIAN
1.1.1.3 root 3208: return ((uint64_t)word0 << 32) | word1;
3209: #else
3210: return ((uint64_t)word1 << 32) | word0;
3211: #endif
3212: }
1.1.1.6 root 3213: #else /* TARGET_ABI_BITS == 32 */
3214: static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3215: {
3216: return word0;
3217: }
3218: #endif /* TARGET_ABI_BITS != 32 */
1.1.1.3 root 3219:
3220: #ifdef TARGET_NR_truncate64
1.1.1.6 root 3221: static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3222: abi_long arg2,
3223: abi_long arg3,
3224: abi_long arg4)
1.1.1.3 root 3225: {
3226: #ifdef TARGET_ARM
3227: if (((CPUARMState *)cpu_env)->eabi)
3228: {
3229: arg2 = arg3;
3230: arg3 = arg4;
3231: }
3232: #endif
3233: return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3234: }
3235: #endif
3236:
3237: #ifdef TARGET_NR_ftruncate64
1.1.1.6 root 3238: static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3239: abi_long arg2,
3240: abi_long arg3,
3241: abi_long arg4)
1.1.1.3 root 3242: {
3243: #ifdef TARGET_ARM
3244: if (((CPUARMState *)cpu_env)->eabi)
3245: {
3246: arg2 = arg3;
3247: arg3 = arg4;
3248: }
3249: #endif
3250: return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3251: }
3252: #endif
3253:
1.1.1.6 root 3254: static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3255: abi_ulong target_addr)
1.1.1.3 root 3256: {
3257: struct target_timespec *target_ts;
3258:
1.1.1.6 root 3259: if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3260: return -TARGET_EFAULT;
1.1.1.3 root 3261: host_ts->tv_sec = tswapl(target_ts->tv_sec);
3262: host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3263: unlock_user_struct(target_ts, target_addr, 0);
1.1.1.7 ! root 3264: return 0;
1.1.1.3 root 3265: }
3266:
1.1.1.6 root 3267: static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3268: struct timespec *host_ts)
1.1.1.3 root 3269: {
3270: struct target_timespec *target_ts;
3271:
1.1.1.6 root 3272: if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3273: return -TARGET_EFAULT;
1.1.1.3 root 3274: target_ts->tv_sec = tswapl(host_ts->tv_sec);
3275: target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3276: unlock_user_struct(target_ts, target_addr, 1);
1.1.1.7 ! root 3277: return 0;
! 3278: }
! 3279:
! 3280: #ifdef TARGET_NR_stat64
! 3281: static inline abi_long host_to_target_stat64(void *cpu_env,
! 3282: abi_ulong target_addr,
! 3283: struct stat *host_st)
! 3284: {
! 3285: #ifdef TARGET_ARM
! 3286: if (((CPUARMState *)cpu_env)->eabi) {
! 3287: struct target_eabi_stat64 *target_st;
! 3288:
! 3289: if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
! 3290: return -TARGET_EFAULT;
! 3291: memset(target_st, 0, sizeof(struct target_eabi_stat64));
! 3292: __put_user(host_st->st_dev, &target_st->st_dev);
! 3293: __put_user(host_st->st_ino, &target_st->st_ino);
! 3294: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
! 3295: __put_user(host_st->st_ino, &target_st->__st_ino);
! 3296: #endif
! 3297: __put_user(host_st->st_mode, &target_st->st_mode);
! 3298: __put_user(host_st->st_nlink, &target_st->st_nlink);
! 3299: __put_user(host_st->st_uid, &target_st->st_uid);
! 3300: __put_user(host_st->st_gid, &target_st->st_gid);
! 3301: __put_user(host_st->st_rdev, &target_st->st_rdev);
! 3302: __put_user(host_st->st_size, &target_st->st_size);
! 3303: __put_user(host_st->st_blksize, &target_st->st_blksize);
! 3304: __put_user(host_st->st_blocks, &target_st->st_blocks);
! 3305: __put_user(host_st->st_atime, &target_st->target_st_atime);
! 3306: __put_user(host_st->st_mtime, &target_st->target_st_mtime);
! 3307: __put_user(host_st->st_ctime, &target_st->target_st_ctime);
! 3308: unlock_user_struct(target_st, target_addr, 1);
! 3309: } else
! 3310: #endif
! 3311: {
! 3312: struct target_stat64 *target_st;
! 3313:
! 3314: if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
! 3315: return -TARGET_EFAULT;
! 3316: memset(target_st, 0, sizeof(struct target_stat64));
! 3317: __put_user(host_st->st_dev, &target_st->st_dev);
! 3318: __put_user(host_st->st_ino, &target_st->st_ino);
! 3319: #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
! 3320: __put_user(host_st->st_ino, &target_st->__st_ino);
! 3321: #endif
! 3322: __put_user(host_st->st_mode, &target_st->st_mode);
! 3323: __put_user(host_st->st_nlink, &target_st->st_nlink);
! 3324: __put_user(host_st->st_uid, &target_st->st_uid);
! 3325: __put_user(host_st->st_gid, &target_st->st_gid);
! 3326: __put_user(host_st->st_rdev, &target_st->st_rdev);
! 3327: /* XXX: better use of kernel struct */
! 3328: __put_user(host_st->st_size, &target_st->st_size);
! 3329: __put_user(host_st->st_blksize, &target_st->st_blksize);
! 3330: __put_user(host_st->st_blocks, &target_st->st_blocks);
! 3331: __put_user(host_st->st_atime, &target_st->target_st_atime);
! 3332: __put_user(host_st->st_mtime, &target_st->target_st_mtime);
! 3333: __put_user(host_st->st_ctime, &target_st->target_st_ctime);
! 3334: unlock_user_struct(target_st, target_addr, 1);
! 3335: }
! 3336:
! 3337: return 0;
! 3338: }
! 3339: #endif
! 3340:
! 3341: #if defined(USE_NPTL)
! 3342: /* ??? Using host futex calls even when target atomic operations
! 3343: are not really atomic probably breaks things. However implementing
! 3344: futexes locally would make futexes shared between multiple processes
! 3345: tricky. However they're probably useless because guest atomic
! 3346: operations won't work either. */
! 3347: static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
! 3348: target_ulong uaddr2, int val3)
! 3349: {
! 3350: struct timespec ts, *pts;
! 3351:
! 3352: /* ??? We assume FUTEX_* constants are the same on both host
! 3353: and target. */
! 3354: switch (op) {
! 3355: case FUTEX_WAIT:
! 3356: if (timeout) {
! 3357: pts = &ts;
! 3358: target_to_host_timespec(pts, timeout);
! 3359: } else {
! 3360: pts = NULL;
! 3361: }
! 3362: return get_errno(sys_futex(g2h(uaddr), FUTEX_WAIT, tswap32(val),
! 3363: pts, NULL, 0));
! 3364: case FUTEX_WAKE:
! 3365: return get_errno(sys_futex(g2h(uaddr), FUTEX_WAKE, val, NULL, NULL, 0));
! 3366: case FUTEX_FD:
! 3367: return get_errno(sys_futex(g2h(uaddr), FUTEX_FD, val, NULL, NULL, 0));
! 3368: case FUTEX_REQUEUE:
! 3369: return get_errno(sys_futex(g2h(uaddr), FUTEX_REQUEUE, val,
! 3370: NULL, g2h(uaddr2), 0));
! 3371: case FUTEX_CMP_REQUEUE:
! 3372: return get_errno(sys_futex(g2h(uaddr), FUTEX_CMP_REQUEUE, val,
! 3373: NULL, g2h(uaddr2), tswap32(val3)));
! 3374: default:
! 3375: return -TARGET_ENOSYS;
! 3376: }
! 3377: }
! 3378: #endif
! 3379:
! 3380: int get_osversion(void)
! 3381: {
! 3382: static int osversion;
! 3383: struct new_utsname buf;
! 3384: const char *s;
! 3385: int i, n, tmp;
! 3386: if (osversion)
! 3387: return osversion;
! 3388: if (qemu_uname_release && *qemu_uname_release) {
! 3389: s = qemu_uname_release;
! 3390: } else {
! 3391: if (sys_uname(&buf))
! 3392: return 0;
! 3393: s = buf.release;
! 3394: }
! 3395: tmp = 0;
! 3396: for (i = 0; i < 3; i++) {
! 3397: n = 0;
! 3398: while (*s >= '0' && *s <= '9') {
! 3399: n *= 10;
! 3400: n += *s - '0';
! 3401: s++;
! 3402: }
! 3403: tmp = (tmp << 8) + n;
! 3404: if (*s == '.')
! 3405: s++;
! 3406: }
! 3407: osversion = tmp;
! 3408: return osversion;
1.1.1.3 root 3409: }
3410:
1.1.1.6 root 3411: /* do_syscall() should always have a single exit point at the end so
3412: that actions, such as logging of syscall results, can be performed.
3413: All errnos that do_syscall() returns must be -TARGET_<errcode>. */
3414: abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
3415: abi_long arg2, abi_long arg3, abi_long arg4,
3416: abi_long arg5, abi_long arg6)
1.1 root 3417: {
1.1.1.6 root 3418: abi_long ret;
1.1 root 3419: struct stat st;
1.1.1.2 root 3420: struct statfs stfs;
1.1.1.3 root 3421: void *p;
1.1.1.6 root 3422:
1.1 root 3423: #ifdef DEBUG
3424: gemu_log("syscall %d", num);
3425: #endif
1.1.1.6 root 3426: if(do_strace)
3427: print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
3428:
1.1 root 3429: switch(num) {
3430: case TARGET_NR_exit:
3431: #ifdef HAVE_GPROF
3432: _mcleanup();
3433: #endif
3434: gdb_exit(cpu_env, arg1);
3435: /* XXX: should free thread stack and CPU env */
1.1.1.7 ! root 3436: sys_exit(arg1);
1.1 root 3437: ret = 0; /* avoid warning */
3438: break;
3439: case TARGET_NR_read:
1.1.1.7 ! root 3440: if (arg3 == 0)
! 3441: ret = 0;
! 3442: else {
! 3443: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
! 3444: goto efault;
! 3445: ret = get_errno(read(arg1, p, arg3));
! 3446: unlock_user(p, arg2, ret);
! 3447: }
1.1 root 3448: break;
3449: case TARGET_NR_write:
1.1.1.6 root 3450: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
3451: goto efault;
1.1.1.3 root 3452: ret = get_errno(write(arg1, p, arg3));
3453: unlock_user(p, arg2, 0);
1.1 root 3454: break;
3455: case TARGET_NR_open:
1.1.1.6 root 3456: if (!(p = lock_user_string(arg1)))
3457: goto efault;
1.1.1.3 root 3458: ret = get_errno(open(path(p),
1.1 root 3459: target_to_host_bitmask(arg2, fcntl_flags_tbl),
3460: arg3));
1.1.1.3 root 3461: unlock_user(p, arg1, 0);
1.1 root 3462: break;
1.1.1.6 root 3463: #if defined(TARGET_NR_openat) && defined(__NR_openat)
3464: case TARGET_NR_openat:
3465: if (!(p = lock_user_string(arg2)))
3466: goto efault;
3467: ret = get_errno(sys_openat(arg1,
3468: path(p),
3469: target_to_host_bitmask(arg3, fcntl_flags_tbl),
3470: arg4));
3471: unlock_user(p, arg2, 0);
3472: break;
3473: #endif
1.1 root 3474: case TARGET_NR_close:
3475: ret = get_errno(close(arg1));
3476: break;
3477: case TARGET_NR_brk:
1.1.1.3 root 3478: ret = do_brk(arg1);
1.1 root 3479: break;
3480: case TARGET_NR_fork:
1.1.1.7 ! root 3481: ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
1.1 root 3482: break;
1.1.1.6 root 3483: #ifdef TARGET_NR_waitpid
1.1 root 3484: case TARGET_NR_waitpid:
3485: {
1.1.1.3 root 3486: int status;
3487: ret = get_errno(waitpid(arg1, &status, arg3));
1.1.1.6 root 3488: if (!is_error(ret) && arg2
3489: && put_user_s32(status, arg2))
3490: goto efault;
1.1 root 3491: }
3492: break;
1.1.1.6 root 3493: #endif
1.1.1.7 ! root 3494: #ifdef TARGET_NR_waitid
! 3495: case TARGET_NR_waitid:
! 3496: {
! 3497: siginfo_t info;
! 3498: info.si_pid = 0;
! 3499: ret = get_errno(waitid(arg1, arg2, &info, arg4));
! 3500: if (!is_error(ret) && arg3 && info.si_pid != 0) {
! 3501: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
! 3502: goto efault;
! 3503: host_to_target_siginfo(p, &info);
! 3504: unlock_user(p, arg3, sizeof(target_siginfo_t));
! 3505: }
! 3506: }
! 3507: break;
! 3508: #endif
1.1.1.6 root 3509: #ifdef TARGET_NR_creat /* not on alpha */
1.1 root 3510: case TARGET_NR_creat:
1.1.1.6 root 3511: if (!(p = lock_user_string(arg1)))
3512: goto efault;
1.1.1.3 root 3513: ret = get_errno(creat(p, arg2));
3514: unlock_user(p, arg1, 0);
1.1 root 3515: break;
1.1.1.6 root 3516: #endif
1.1 root 3517: case TARGET_NR_link:
1.1.1.3 root 3518: {
3519: void * p2;
3520: p = lock_user_string(arg1);
3521: p2 = lock_user_string(arg2);
1.1.1.6 root 3522: if (!p || !p2)
3523: ret = -TARGET_EFAULT;
3524: else
3525: ret = get_errno(link(p, p2));
1.1.1.3 root 3526: unlock_user(p2, arg2, 0);
3527: unlock_user(p, arg1, 0);
3528: }
1.1 root 3529: break;
1.1.1.6 root 3530: #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
3531: case TARGET_NR_linkat:
3532: {
3533: void * p2 = NULL;
3534: if (!arg2 || !arg4)
3535: goto efault;
3536: p = lock_user_string(arg2);
3537: p2 = lock_user_string(arg4);
3538: if (!p || !p2)
3539: ret = -TARGET_EFAULT;
3540: else
3541: ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
3542: unlock_user(p, arg2, 0);
3543: unlock_user(p2, arg4, 0);
3544: }
3545: break;
3546: #endif
1.1 root 3547: case TARGET_NR_unlink:
1.1.1.6 root 3548: if (!(p = lock_user_string(arg1)))
3549: goto efault;
1.1.1.3 root 3550: ret = get_errno(unlink(p));
3551: unlock_user(p, arg1, 0);
1.1 root 3552: break;
1.1.1.6 root 3553: #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
3554: case TARGET_NR_unlinkat:
3555: if (!(p = lock_user_string(arg2)))
3556: goto efault;
3557: ret = get_errno(sys_unlinkat(arg1, p, arg3));
3558: unlock_user(p, arg2, 0);
3559: break;
3560: #endif
1.1 root 3561: case TARGET_NR_execve:
3562: {
3563: char **argp, **envp;
3564: int argc, envc;
1.1.1.6 root 3565: abi_ulong gp;
3566: abi_ulong guest_argp;
3567: abi_ulong guest_envp;
3568: abi_ulong addr;
1.1 root 3569: char **q;
3570:
3571: argc = 0;
1.1.1.3 root 3572: guest_argp = arg2;
1.1.1.7 ! root 3573: for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
1.1.1.6 root 3574: if (get_user_ual(addr, gp))
3575: goto efault;
3576: if (!addr)
3577: break;
1.1 root 3578: argc++;
1.1.1.6 root 3579: }
1.1 root 3580: envc = 0;
1.1.1.3 root 3581: guest_envp = arg3;
1.1.1.7 ! root 3582: for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
1.1.1.6 root 3583: if (get_user_ual(addr, gp))
3584: goto efault;
3585: if (!addr)
3586: break;
1.1 root 3587: envc++;
1.1.1.6 root 3588: }
1.1 root 3589:
3590: argp = alloca((argc + 1) * sizeof(void *));
3591: envp = alloca((envc + 1) * sizeof(void *));
3592:
1.1.1.7 ! root 3593: for (gp = guest_argp, q = argp; gp;
1.1.1.6 root 3594: gp += sizeof(abi_ulong), q++) {
3595: if (get_user_ual(addr, gp))
3596: goto execve_efault;
1.1.1.3 root 3597: if (!addr)
3598: break;
1.1.1.6 root 3599: if (!(*q = lock_user_string(addr)))
3600: goto execve_efault;
1.1.1.3 root 3601: }
1.1 root 3602: *q = NULL;
3603:
1.1.1.7 ! root 3604: for (gp = guest_envp, q = envp; gp;
1.1.1.6 root 3605: gp += sizeof(abi_ulong), q++) {
3606: if (get_user_ual(addr, gp))
3607: goto execve_efault;
1.1.1.3 root 3608: if (!addr)
3609: break;
1.1.1.6 root 3610: if (!(*q = lock_user_string(addr)))
3611: goto execve_efault;
1.1.1.3 root 3612: }
1.1 root 3613: *q = NULL;
3614:
1.1.1.6 root 3615: if (!(p = lock_user_string(arg1)))
3616: goto execve_efault;
1.1.1.3 root 3617: ret = get_errno(execve(p, argp, envp));
3618: unlock_user(p, arg1, 0);
3619:
1.1.1.6 root 3620: goto execve_end;
3621:
3622: execve_efault:
3623: ret = -TARGET_EFAULT;
3624:
3625: execve_end:
1.1.1.3 root 3626: for (gp = guest_argp, q = argp; *q;
1.1.1.6 root 3627: gp += sizeof(abi_ulong), q++) {
3628: if (get_user_ual(addr, gp)
3629: || !addr)
3630: break;
1.1.1.3 root 3631: unlock_user(*q, addr, 0);
3632: }
3633: for (gp = guest_envp, q = envp; *q;
1.1.1.6 root 3634: gp += sizeof(abi_ulong), q++) {
3635: if (get_user_ual(addr, gp)
3636: || !addr)
3637: break;
1.1.1.3 root 3638: unlock_user(*q, addr, 0);
3639: }
1.1 root 3640: }
3641: break;
3642: case TARGET_NR_chdir:
1.1.1.6 root 3643: if (!(p = lock_user_string(arg1)))
3644: goto efault;
1.1.1.3 root 3645: ret = get_errno(chdir(p));
3646: unlock_user(p, arg1, 0);
1.1 root 3647: break;
3648: #ifdef TARGET_NR_time
3649: case TARGET_NR_time:
3650: {
1.1.1.3 root 3651: time_t host_time;
3652: ret = get_errno(time(&host_time));
1.1.1.6 root 3653: if (!is_error(ret)
3654: && arg1
3655: && put_user_sal(host_time, arg1))
3656: goto efault;
1.1 root 3657: }
3658: break;
3659: #endif
3660: case TARGET_NR_mknod:
1.1.1.6 root 3661: if (!(p = lock_user_string(arg1)))
3662: goto efault;
1.1.1.3 root 3663: ret = get_errno(mknod(p, arg2, arg3));
3664: unlock_user(p, arg1, 0);
1.1 root 3665: break;
1.1.1.6 root 3666: #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
3667: case TARGET_NR_mknodat:
3668: if (!(p = lock_user_string(arg2)))
3669: goto efault;
3670: ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
3671: unlock_user(p, arg2, 0);
3672: break;
3673: #endif
1.1 root 3674: case TARGET_NR_chmod:
1.1.1.6 root 3675: if (!(p = lock_user_string(arg1)))
3676: goto efault;
1.1.1.3 root 3677: ret = get_errno(chmod(p, arg2));
3678: unlock_user(p, arg1, 0);
1.1 root 3679: break;
3680: #ifdef TARGET_NR_break
3681: case TARGET_NR_break:
3682: goto unimplemented;
3683: #endif
3684: #ifdef TARGET_NR_oldstat
3685: case TARGET_NR_oldstat:
3686: goto unimplemented;
3687: #endif
3688: case TARGET_NR_lseek:
3689: ret = get_errno(lseek(arg1, arg2, arg3));
3690: break;
1.1.1.6 root 3691: #ifdef TARGET_NR_getxpid
3692: case TARGET_NR_getxpid:
3693: #else
1.1 root 3694: case TARGET_NR_getpid:
1.1.1.6 root 3695: #endif
1.1 root 3696: ret = get_errno(getpid());
3697: break;
3698: case TARGET_NR_mount:
1.1.1.6 root 3699: {
3700: /* need to look at the data field */
3701: void *p2, *p3;
3702: p = lock_user_string(arg1);
3703: p2 = lock_user_string(arg2);
3704: p3 = lock_user_string(arg3);
3705: if (!p || !p2 || !p3)
3706: ret = -TARGET_EFAULT;
3707: else
3708: /* FIXME - arg5 should be locked, but it isn't clear how to
3709: * do that since it's not guaranteed to be a NULL-terminated
3710: * string.
3711: */
3712: ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
3713: unlock_user(p, arg1, 0);
3714: unlock_user(p2, arg2, 0);
3715: unlock_user(p3, arg3, 0);
3716: break;
3717: }
3718: #ifdef TARGET_NR_umount
1.1 root 3719: case TARGET_NR_umount:
1.1.1.6 root 3720: if (!(p = lock_user_string(arg1)))
3721: goto efault;
1.1.1.3 root 3722: ret = get_errno(umount(p));
3723: unlock_user(p, arg1, 0);
1.1 root 3724: break;
1.1.1.6 root 3725: #endif
3726: #ifdef TARGET_NR_stime /* not on alpha */
1.1 root 3727: case TARGET_NR_stime:
3728: {
1.1.1.3 root 3729: time_t host_time;
1.1.1.6 root 3730: if (get_user_sal(host_time, arg1))
3731: goto efault;
1.1.1.3 root 3732: ret = get_errno(stime(&host_time));
1.1 root 3733: }
3734: break;
1.1.1.6 root 3735: #endif
1.1 root 3736: case TARGET_NR_ptrace:
3737: goto unimplemented;
1.1.1.6 root 3738: #ifdef TARGET_NR_alarm /* not on alpha */
1.1 root 3739: case TARGET_NR_alarm:
3740: ret = alarm(arg1);
3741: break;
1.1.1.6 root 3742: #endif
1.1 root 3743: #ifdef TARGET_NR_oldfstat
3744: case TARGET_NR_oldfstat:
3745: goto unimplemented;
3746: #endif
1.1.1.6 root 3747: #ifdef TARGET_NR_pause /* not on alpha */
1.1 root 3748: case TARGET_NR_pause:
3749: ret = get_errno(pause());
3750: break;
1.1.1.6 root 3751: #endif
3752: #ifdef TARGET_NR_utime
1.1 root 3753: case TARGET_NR_utime:
3754: {
1.1.1.3 root 3755: struct utimbuf tbuf, *host_tbuf;
3756: struct target_utimbuf *target_tbuf;
3757: if (arg2) {
1.1.1.6 root 3758: if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
3759: goto efault;
1.1.1.3 root 3760: tbuf.actime = tswapl(target_tbuf->actime);
3761: tbuf.modtime = tswapl(target_tbuf->modtime);
3762: unlock_user_struct(target_tbuf, arg2, 0);
3763: host_tbuf = &tbuf;
1.1 root 3764: } else {
1.1.1.3 root 3765: host_tbuf = NULL;
1.1 root 3766: }
1.1.1.6 root 3767: if (!(p = lock_user_string(arg1)))
3768: goto efault;
1.1.1.3 root 3769: ret = get_errno(utime(p, host_tbuf));
3770: unlock_user(p, arg1, 0);
1.1 root 3771: }
3772: break;
1.1.1.6 root 3773: #endif
1.1 root 3774: case TARGET_NR_utimes:
3775: {
3776: struct timeval *tvp, tv[2];
1.1.1.3 root 3777: if (arg2) {
1.1.1.6 root 3778: if (copy_from_user_timeval(&tv[0], arg2)
3779: || copy_from_user_timeval(&tv[1],
3780: arg2 + sizeof(struct target_timeval)))
3781: goto efault;
1.1 root 3782: tvp = tv;
3783: } else {
3784: tvp = NULL;
3785: }
1.1.1.6 root 3786: if (!(p = lock_user_string(arg1)))
3787: goto efault;
1.1.1.3 root 3788: ret = get_errno(utimes(p, tvp));
3789: unlock_user(p, arg1, 0);
1.1 root 3790: }
3791: break;
1.1.1.7 ! root 3792: #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
! 3793: case TARGET_NR_futimesat:
! 3794: {
! 3795: struct timeval *tvp, tv[2];
! 3796: if (arg3) {
! 3797: if (copy_from_user_timeval(&tv[0], arg3)
! 3798: || copy_from_user_timeval(&tv[1],
! 3799: arg3 + sizeof(struct target_timeval)))
! 3800: goto efault;
! 3801: tvp = tv;
! 3802: } else {
! 3803: tvp = NULL;
! 3804: }
! 3805: if (!(p = lock_user_string(arg2)))
! 3806: goto efault;
! 3807: ret = get_errno(sys_futimesat(arg1, path(p), tvp));
! 3808: unlock_user(p, arg2, 0);
! 3809: }
! 3810: break;
! 3811: #endif
1.1 root 3812: #ifdef TARGET_NR_stty
3813: case TARGET_NR_stty:
3814: goto unimplemented;
3815: #endif
3816: #ifdef TARGET_NR_gtty
3817: case TARGET_NR_gtty:
3818: goto unimplemented;
3819: #endif
3820: case TARGET_NR_access:
1.1.1.6 root 3821: if (!(p = lock_user_string(arg1)))
3822: goto efault;
1.1.1.3 root 3823: ret = get_errno(access(p, arg2));
3824: unlock_user(p, arg1, 0);
1.1 root 3825: break;
1.1.1.6 root 3826: #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
3827: case TARGET_NR_faccessat:
3828: if (!(p = lock_user_string(arg2)))
3829: goto efault;
3830: ret = get_errno(sys_faccessat(arg1, p, arg3, arg4));
3831: unlock_user(p, arg2, 0);
3832: break;
3833: #endif
3834: #ifdef TARGET_NR_nice /* not on alpha */
1.1 root 3835: case TARGET_NR_nice:
3836: ret = get_errno(nice(arg1));
3837: break;
1.1.1.6 root 3838: #endif
1.1 root 3839: #ifdef TARGET_NR_ftime
3840: case TARGET_NR_ftime:
3841: goto unimplemented;
3842: #endif
3843: case TARGET_NR_sync:
3844: sync();
3845: ret = 0;
3846: break;
3847: case TARGET_NR_kill:
1.1.1.7 ! root 3848: ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
1.1 root 3849: break;
3850: case TARGET_NR_rename:
1.1.1.3 root 3851: {
3852: void *p2;
3853: p = lock_user_string(arg1);
3854: p2 = lock_user_string(arg2);
1.1.1.6 root 3855: if (!p || !p2)
3856: ret = -TARGET_EFAULT;
3857: else
3858: ret = get_errno(rename(p, p2));
1.1.1.3 root 3859: unlock_user(p2, arg2, 0);
3860: unlock_user(p, arg1, 0);
3861: }
1.1 root 3862: break;
1.1.1.6 root 3863: #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
3864: case TARGET_NR_renameat:
3865: {
3866: void *p2;
3867: p = lock_user_string(arg2);
3868: p2 = lock_user_string(arg4);
3869: if (!p || !p2)
3870: ret = -TARGET_EFAULT;
3871: else
3872: ret = get_errno(sys_renameat(arg1, p, arg3, p2));
3873: unlock_user(p2, arg4, 0);
3874: unlock_user(p, arg2, 0);
3875: }
3876: break;
3877: #endif
1.1 root 3878: case TARGET_NR_mkdir:
1.1.1.6 root 3879: if (!(p = lock_user_string(arg1)))
3880: goto efault;
1.1.1.3 root 3881: ret = get_errno(mkdir(p, arg2));
3882: unlock_user(p, arg1, 0);
1.1 root 3883: break;
1.1.1.6 root 3884: #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
3885: case TARGET_NR_mkdirat:
3886: if (!(p = lock_user_string(arg2)))
3887: goto efault;
3888: ret = get_errno(sys_mkdirat(arg1, p, arg3));
3889: unlock_user(p, arg2, 0);
3890: break;
3891: #endif
1.1 root 3892: case TARGET_NR_rmdir:
1.1.1.6 root 3893: if (!(p = lock_user_string(arg1)))
3894: goto efault;
1.1.1.3 root 3895: ret = get_errno(rmdir(p));
3896: unlock_user(p, arg1, 0);
1.1 root 3897: break;
3898: case TARGET_NR_dup:
3899: ret = get_errno(dup(arg1));
3900: break;
3901: case TARGET_NR_pipe:
3902: {
1.1.1.3 root 3903: int host_pipe[2];
3904: ret = get_errno(pipe(host_pipe));
1.1 root 3905: if (!is_error(ret)) {
1.1.1.6 root 3906: #if defined(TARGET_MIPS)
3907: CPUMIPSState *env = (CPUMIPSState*)cpu_env;
1.1.1.7 ! root 3908: env->active_tc.gpr[3] = host_pipe[1];
! 3909: ret = host_pipe[0];
! 3910: #elif defined(TARGET_SH4)
! 3911: ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
1.1.1.6 root 3912: ret = host_pipe[0];
3913: #else
3914: if (put_user_s32(host_pipe[0], arg1)
3915: || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0])))
3916: goto efault;
3917: #endif
1.1 root 3918: }
3919: }
3920: break;
3921: case TARGET_NR_times:
3922: {
1.1.1.3 root 3923: struct target_tms *tmsp;
1.1 root 3924: struct tms tms;
3925: ret = get_errno(times(&tms));
1.1.1.3 root 3926: if (arg1) {
1.1.1.6 root 3927: tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
3928: if (!tmsp)
3929: goto efault;
1.1 root 3930: tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
3931: tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
3932: tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
3933: tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
3934: }
3935: if (!is_error(ret))
3936: ret = host_to_target_clock_t(ret);
3937: }
3938: break;
3939: #ifdef TARGET_NR_prof
3940: case TARGET_NR_prof:
3941: goto unimplemented;
3942: #endif
1.1.1.6 root 3943: #ifdef TARGET_NR_signal
1.1 root 3944: case TARGET_NR_signal:
3945: goto unimplemented;
1.1.1.6 root 3946: #endif
1.1 root 3947: case TARGET_NR_acct:
1.1.1.7 ! root 3948: if (arg1 == 0) {
! 3949: ret = get_errno(acct(NULL));
! 3950: } else {
! 3951: if (!(p = lock_user_string(arg1)))
! 3952: goto efault;
! 3953: ret = get_errno(acct(path(p)));
! 3954: unlock_user(p, arg1, 0);
! 3955: }
1.1.1.3 root 3956: break;
1.1.1.6 root 3957: #ifdef TARGET_NR_umount2 /* not on alpha */
1.1 root 3958: case TARGET_NR_umount2:
1.1.1.6 root 3959: if (!(p = lock_user_string(arg1)))
3960: goto efault;
1.1.1.3 root 3961: ret = get_errno(umount2(p, arg2));
3962: unlock_user(p, arg1, 0);
1.1 root 3963: break;
1.1.1.6 root 3964: #endif
1.1 root 3965: #ifdef TARGET_NR_lock
3966: case TARGET_NR_lock:
3967: goto unimplemented;
3968: #endif
3969: case TARGET_NR_ioctl:
3970: ret = do_ioctl(arg1, arg2, arg3);
3971: break;
3972: case TARGET_NR_fcntl:
1.1.1.6 root 3973: ret = do_fcntl(arg1, arg2, arg3);
1.1 root 3974: break;
3975: #ifdef TARGET_NR_mpx
3976: case TARGET_NR_mpx:
3977: goto unimplemented;
3978: #endif
3979: case TARGET_NR_setpgid:
3980: ret = get_errno(setpgid(arg1, arg2));
3981: break;
3982: #ifdef TARGET_NR_ulimit
3983: case TARGET_NR_ulimit:
3984: goto unimplemented;
3985: #endif
3986: #ifdef TARGET_NR_oldolduname
3987: case TARGET_NR_oldolduname:
3988: goto unimplemented;
3989: #endif
3990: case TARGET_NR_umask:
3991: ret = get_errno(umask(arg1));
3992: break;
3993: case TARGET_NR_chroot:
1.1.1.6 root 3994: if (!(p = lock_user_string(arg1)))
3995: goto efault;
1.1.1.3 root 3996: ret = get_errno(chroot(p));
3997: unlock_user(p, arg1, 0);
1.1 root 3998: break;
3999: case TARGET_NR_ustat:
4000: goto unimplemented;
4001: case TARGET_NR_dup2:
4002: ret = get_errno(dup2(arg1, arg2));
4003: break;
1.1.1.6 root 4004: #ifdef TARGET_NR_getppid /* not on alpha */
1.1 root 4005: case TARGET_NR_getppid:
4006: ret = get_errno(getppid());
4007: break;
1.1.1.6 root 4008: #endif
1.1 root 4009: case TARGET_NR_getpgrp:
4010: ret = get_errno(getpgrp());
4011: break;
4012: case TARGET_NR_setsid:
4013: ret = get_errno(setsid());
4014: break;
1.1.1.6 root 4015: #ifdef TARGET_NR_sigaction
1.1 root 4016: case TARGET_NR_sigaction:
4017: {
1.1.1.6 root 4018: #if !defined(TARGET_MIPS)
1.1.1.3 root 4019: struct target_old_sigaction *old_act;
1.1 root 4020: struct target_sigaction act, oact, *pact;
1.1.1.3 root 4021: if (arg2) {
1.1.1.6 root 4022: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4023: goto efault;
1.1 root 4024: act._sa_handler = old_act->_sa_handler;
4025: target_siginitset(&act.sa_mask, old_act->sa_mask);
4026: act.sa_flags = old_act->sa_flags;
4027: act.sa_restorer = old_act->sa_restorer;
1.1.1.3 root 4028: unlock_user_struct(old_act, arg2, 0);
1.1 root 4029: pact = &act;
4030: } else {
4031: pact = NULL;
4032: }
4033: ret = get_errno(do_sigaction(arg1, pact, &oact));
1.1.1.3 root 4034: if (!is_error(ret) && arg3) {
1.1.1.6 root 4035: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4036: goto efault;
1.1.1.3 root 4037: old_act->_sa_handler = oact._sa_handler;
4038: old_act->sa_mask = oact.sa_mask.sig[0];
4039: old_act->sa_flags = oact.sa_flags;
4040: old_act->sa_restorer = oact.sa_restorer;
4041: unlock_user_struct(old_act, arg3, 1);
1.1 root 4042: }
1.1.1.6 root 4043: #else
1.1.1.4 root 4044: struct target_sigaction act, oact, *pact, *old_act;
4045:
4046: if (arg2) {
1.1.1.6 root 4047: if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4048: goto efault;
1.1.1.4 root 4049: act._sa_handler = old_act->_sa_handler;
4050: target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4051: act.sa_flags = old_act->sa_flags;
4052: unlock_user_struct(old_act, arg2, 0);
4053: pact = &act;
4054: } else {
4055: pact = NULL;
4056: }
4057:
4058: ret = get_errno(do_sigaction(arg1, pact, &oact));
4059:
4060: if (!is_error(ret) && arg3) {
1.1.1.6 root 4061: if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4062: goto efault;
1.1.1.4 root 4063: old_act->_sa_handler = oact._sa_handler;
4064: old_act->sa_flags = oact.sa_flags;
4065: old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4066: old_act->sa_mask.sig[1] = 0;
4067: old_act->sa_mask.sig[2] = 0;
4068: old_act->sa_mask.sig[3] = 0;
4069: unlock_user_struct(old_act, arg3, 1);
4070: }
1.1.1.6 root 4071: #endif
1.1 root 4072: }
4073: break;
1.1.1.6 root 4074: #endif
1.1 root 4075: case TARGET_NR_rt_sigaction:
1.1.1.3 root 4076: {
4077: struct target_sigaction *act;
4078: struct target_sigaction *oact;
4079:
1.1.1.6 root 4080: if (arg2) {
4081: if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4082: goto efault;
4083: } else
1.1.1.3 root 4084: act = NULL;
1.1.1.6 root 4085: if (arg3) {
4086: if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4087: ret = -TARGET_EFAULT;
4088: goto rt_sigaction_fail;
4089: }
4090: } else
1.1.1.3 root 4091: oact = NULL;
4092: ret = get_errno(do_sigaction(arg1, act, oact));
1.1.1.6 root 4093: rt_sigaction_fail:
4094: if (act)
1.1.1.3 root 4095: unlock_user_struct(act, arg2, 0);
1.1.1.6 root 4096: if (oact)
1.1.1.3 root 4097: unlock_user_struct(oact, arg3, 1);
4098: }
1.1 root 4099: break;
1.1.1.6 root 4100: #ifdef TARGET_NR_sgetmask /* not on alpha */
1.1 root 4101: case TARGET_NR_sgetmask:
4102: {
4103: sigset_t cur_set;
1.1.1.6 root 4104: abi_ulong target_set;
1.1 root 4105: sigprocmask(0, NULL, &cur_set);
4106: host_to_target_old_sigset(&target_set, &cur_set);
4107: ret = target_set;
4108: }
4109: break;
1.1.1.6 root 4110: #endif
4111: #ifdef TARGET_NR_ssetmask /* not on alpha */
1.1 root 4112: case TARGET_NR_ssetmask:
4113: {
4114: sigset_t set, oset, cur_set;
1.1.1.6 root 4115: abi_ulong target_set = arg1;
1.1 root 4116: sigprocmask(0, NULL, &cur_set);
4117: target_to_host_old_sigset(&set, &target_set);
4118: sigorset(&set, &set, &cur_set);
4119: sigprocmask(SIG_SETMASK, &set, &oset);
4120: host_to_target_old_sigset(&target_set, &oset);
4121: ret = target_set;
4122: }
4123: break;
1.1.1.6 root 4124: #endif
4125: #ifdef TARGET_NR_sigprocmask
1.1 root 4126: case TARGET_NR_sigprocmask:
4127: {
4128: int how = arg1;
4129: sigset_t set, oldset, *set_ptr;
1.1.1.6 root 4130:
1.1.1.3 root 4131: if (arg2) {
1.1 root 4132: switch(how) {
4133: case TARGET_SIG_BLOCK:
4134: how = SIG_BLOCK;
4135: break;
4136: case TARGET_SIG_UNBLOCK:
4137: how = SIG_UNBLOCK;
4138: break;
4139: case TARGET_SIG_SETMASK:
4140: how = SIG_SETMASK;
4141: break;
4142: default:
1.1.1.6 root 4143: ret = -TARGET_EINVAL;
1.1 root 4144: goto fail;
4145: }
1.1.1.6 root 4146: if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4147: goto efault;
1.1.1.3 root 4148: target_to_host_old_sigset(&set, p);
4149: unlock_user(p, arg2, 0);
1.1 root 4150: set_ptr = &set;
4151: } else {
4152: how = 0;
4153: set_ptr = NULL;
4154: }
4155: ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1.1.1.3 root 4156: if (!is_error(ret) && arg3) {
1.1.1.6 root 4157: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4158: goto efault;
1.1.1.3 root 4159: host_to_target_old_sigset(p, &oldset);
4160: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 4161: }
4162: }
4163: break;
1.1.1.6 root 4164: #endif
1.1 root 4165: case TARGET_NR_rt_sigprocmask:
4166: {
4167: int how = arg1;
4168: sigset_t set, oldset, *set_ptr;
1.1.1.6 root 4169:
1.1.1.3 root 4170: if (arg2) {
1.1 root 4171: switch(how) {
4172: case TARGET_SIG_BLOCK:
4173: how = SIG_BLOCK;
4174: break;
4175: case TARGET_SIG_UNBLOCK:
4176: how = SIG_UNBLOCK;
4177: break;
4178: case TARGET_SIG_SETMASK:
4179: how = SIG_SETMASK;
4180: break;
4181: default:
1.1.1.6 root 4182: ret = -TARGET_EINVAL;
1.1 root 4183: goto fail;
4184: }
1.1.1.6 root 4185: if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4186: goto efault;
1.1.1.3 root 4187: target_to_host_sigset(&set, p);
4188: unlock_user(p, arg2, 0);
1.1 root 4189: set_ptr = &set;
4190: } else {
4191: how = 0;
4192: set_ptr = NULL;
4193: }
4194: ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1.1.1.3 root 4195: if (!is_error(ret) && arg3) {
1.1.1.6 root 4196: if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4197: goto efault;
1.1.1.3 root 4198: host_to_target_sigset(p, &oldset);
4199: unlock_user(p, arg3, sizeof(target_sigset_t));
1.1 root 4200: }
4201: }
4202: break;
1.1.1.6 root 4203: #ifdef TARGET_NR_sigpending
1.1 root 4204: case TARGET_NR_sigpending:
4205: {
4206: sigset_t set;
4207: ret = get_errno(sigpending(&set));
4208: if (!is_error(ret)) {
1.1.1.6 root 4209: if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4210: goto efault;
1.1.1.3 root 4211: host_to_target_old_sigset(p, &set);
4212: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 4213: }
4214: }
4215: break;
1.1.1.6 root 4216: #endif
1.1 root 4217: case TARGET_NR_rt_sigpending:
4218: {
4219: sigset_t set;
4220: ret = get_errno(sigpending(&set));
4221: if (!is_error(ret)) {
1.1.1.6 root 4222: if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4223: goto efault;
1.1.1.3 root 4224: host_to_target_sigset(p, &set);
4225: unlock_user(p, arg1, sizeof(target_sigset_t));
1.1 root 4226: }
4227: }
4228: break;
1.1.1.6 root 4229: #ifdef TARGET_NR_sigsuspend
1.1 root 4230: case TARGET_NR_sigsuspend:
4231: {
4232: sigset_t set;
1.1.1.6 root 4233: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4234: goto efault;
1.1.1.3 root 4235: target_to_host_old_sigset(&set, p);
4236: unlock_user(p, arg1, 0);
1.1 root 4237: ret = get_errno(sigsuspend(&set));
4238: }
4239: break;
1.1.1.6 root 4240: #endif
1.1 root 4241: case TARGET_NR_rt_sigsuspend:
4242: {
4243: sigset_t set;
1.1.1.6 root 4244: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4245: goto efault;
1.1.1.3 root 4246: target_to_host_sigset(&set, p);
4247: unlock_user(p, arg1, 0);
1.1 root 4248: ret = get_errno(sigsuspend(&set));
4249: }
4250: break;
4251: case TARGET_NR_rt_sigtimedwait:
4252: {
4253: sigset_t set;
4254: struct timespec uts, *puts;
4255: siginfo_t uinfo;
1.1.1.6 root 4256:
4257: if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4258: goto efault;
1.1.1.3 root 4259: target_to_host_sigset(&set, p);
4260: unlock_user(p, arg1, 0);
4261: if (arg3) {
1.1 root 4262: puts = &uts;
1.1.1.3 root 4263: target_to_host_timespec(puts, arg3);
1.1 root 4264: } else {
4265: puts = NULL;
4266: }
4267: ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1.1.1.3 root 4268: if (!is_error(ret) && arg2) {
1.1.1.7 ! root 4269: if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
1.1.1.6 root 4270: goto efault;
1.1.1.3 root 4271: host_to_target_siginfo(p, &uinfo);
1.1.1.7 ! root 4272: unlock_user(p, arg2, sizeof(target_siginfo_t));
1.1 root 4273: }
4274: }
4275: break;
4276: case TARGET_NR_rt_sigqueueinfo:
4277: {
4278: siginfo_t uinfo;
1.1.1.6 root 4279: if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
4280: goto efault;
1.1.1.3 root 4281: target_to_host_siginfo(&uinfo, p);
4282: unlock_user(p, arg1, 0);
1.1 root 4283: ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
4284: }
4285: break;
1.1.1.6 root 4286: #ifdef TARGET_NR_sigreturn
1.1 root 4287: case TARGET_NR_sigreturn:
4288: /* NOTE: ret is eax, so not transcoding must be done */
4289: ret = do_sigreturn(cpu_env);
4290: break;
1.1.1.6 root 4291: #endif
1.1 root 4292: case TARGET_NR_rt_sigreturn:
4293: /* NOTE: ret is eax, so not transcoding must be done */
4294: ret = do_rt_sigreturn(cpu_env);
4295: break;
4296: case TARGET_NR_sethostname:
1.1.1.6 root 4297: if (!(p = lock_user_string(arg1)))
4298: goto efault;
1.1.1.3 root 4299: ret = get_errno(sethostname(p, arg2));
4300: unlock_user(p, arg1, 0);
1.1 root 4301: break;
4302: case TARGET_NR_setrlimit:
4303: {
4304: /* XXX: convert resource ? */
4305: int resource = arg1;
1.1.1.3 root 4306: struct target_rlimit *target_rlim;
1.1 root 4307: struct rlimit rlim;
1.1.1.6 root 4308: if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
4309: goto efault;
1.1 root 4310: rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
4311: rlim.rlim_max = tswapl(target_rlim->rlim_max);
1.1.1.3 root 4312: unlock_user_struct(target_rlim, arg2, 0);
1.1 root 4313: ret = get_errno(setrlimit(resource, &rlim));
4314: }
4315: break;
4316: case TARGET_NR_getrlimit:
4317: {
4318: /* XXX: convert resource ? */
4319: int resource = arg1;
1.1.1.3 root 4320: struct target_rlimit *target_rlim;
1.1 root 4321: struct rlimit rlim;
1.1.1.6 root 4322:
1.1 root 4323: ret = get_errno(getrlimit(resource, &rlim));
4324: if (!is_error(ret)) {
1.1.1.6 root 4325: if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
4326: goto efault;
1.1.1.3 root 4327: rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
4328: rlim.rlim_max = tswapl(target_rlim->rlim_max);
4329: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 4330: }
4331: }
4332: break;
4333: case TARGET_NR_getrusage:
4334: {
4335: struct rusage rusage;
4336: ret = get_errno(getrusage(arg1, &rusage));
4337: if (!is_error(ret)) {
1.1.1.3 root 4338: host_to_target_rusage(arg2, &rusage);
1.1 root 4339: }
4340: }
4341: break;
4342: case TARGET_NR_gettimeofday:
4343: {
4344: struct timeval tv;
4345: ret = get_errno(gettimeofday(&tv, NULL));
4346: if (!is_error(ret)) {
1.1.1.6 root 4347: if (copy_to_user_timeval(arg1, &tv))
4348: goto efault;
1.1 root 4349: }
4350: }
4351: break;
4352: case TARGET_NR_settimeofday:
4353: {
4354: struct timeval tv;
1.1.1.6 root 4355: if (copy_from_user_timeval(&tv, arg1))
4356: goto efault;
1.1 root 4357: ret = get_errno(settimeofday(&tv, NULL));
4358: }
4359: break;
1.1.1.2 root 4360: #ifdef TARGET_NR_select
1.1 root 4361: case TARGET_NR_select:
4362: {
1.1.1.3 root 4363: struct target_sel_arg_struct *sel;
1.1.1.6 root 4364: abi_ulong inp, outp, exp, tvp;
1.1.1.3 root 4365: long nsel;
4366:
1.1.1.6 root 4367: if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
4368: goto efault;
1.1.1.3 root 4369: nsel = tswapl(sel->n);
4370: inp = tswapl(sel->inp);
4371: outp = tswapl(sel->outp);
4372: exp = tswapl(sel->exp);
4373: tvp = tswapl(sel->tvp);
4374: unlock_user_struct(sel, arg1, 0);
4375: ret = do_select(nsel, inp, outp, exp, tvp);
1.1 root 4376: }
4377: break;
1.1.1.2 root 4378: #endif
1.1 root 4379: case TARGET_NR_symlink:
1.1.1.3 root 4380: {
4381: void *p2;
4382: p = lock_user_string(arg1);
4383: p2 = lock_user_string(arg2);
1.1.1.6 root 4384: if (!p || !p2)
4385: ret = -TARGET_EFAULT;
4386: else
4387: ret = get_errno(symlink(p, p2));
1.1.1.3 root 4388: unlock_user(p2, arg2, 0);
4389: unlock_user(p, arg1, 0);
4390: }
1.1 root 4391: break;
1.1.1.6 root 4392: #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
4393: case TARGET_NR_symlinkat:
4394: {
4395: void *p2;
4396: p = lock_user_string(arg1);
4397: p2 = lock_user_string(arg3);
4398: if (!p || !p2)
4399: ret = -TARGET_EFAULT;
4400: else
4401: ret = get_errno(sys_symlinkat(p, arg2, p2));
4402: unlock_user(p2, arg3, 0);
4403: unlock_user(p, arg1, 0);
4404: }
4405: break;
4406: #endif
1.1 root 4407: #ifdef TARGET_NR_oldlstat
4408: case TARGET_NR_oldlstat:
4409: goto unimplemented;
4410: #endif
4411: case TARGET_NR_readlink:
1.1.1.3 root 4412: {
1.1.1.7 ! root 4413: void *p2, *temp;
1.1.1.3 root 4414: p = lock_user_string(arg1);
1.1.1.6 root 4415: p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
4416: if (!p || !p2)
4417: ret = -TARGET_EFAULT;
1.1.1.7 ! root 4418: else {
! 4419: if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
! 4420: char real[PATH_MAX];
! 4421: temp = realpath(exec_path,real);
! 4422: ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
! 4423: snprintf((char *)p2, arg3, "%s", real);
! 4424: }
! 4425: else
! 4426: ret = get_errno(readlink(path(p), p2, arg3));
! 4427: }
1.1.1.3 root 4428: unlock_user(p2, arg2, ret);
4429: unlock_user(p, arg1, 0);
4430: }
1.1 root 4431: break;
1.1.1.6 root 4432: #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
4433: case TARGET_NR_readlinkat:
4434: {
4435: void *p2;
4436: p = lock_user_string(arg2);
4437: p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
4438: if (!p || !p2)
4439: ret = -TARGET_EFAULT;
4440: else
4441: ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
4442: unlock_user(p2, arg3, ret);
4443: unlock_user(p, arg2, 0);
4444: }
4445: break;
4446: #endif
4447: #ifdef TARGET_NR_uselib
1.1 root 4448: case TARGET_NR_uselib:
4449: goto unimplemented;
1.1.1.6 root 4450: #endif
4451: #ifdef TARGET_NR_swapon
1.1 root 4452: case TARGET_NR_swapon:
1.1.1.6 root 4453: if (!(p = lock_user_string(arg1)))
4454: goto efault;
1.1.1.3 root 4455: ret = get_errno(swapon(p, arg2));
4456: unlock_user(p, arg1, 0);
1.1 root 4457: break;
1.1.1.6 root 4458: #endif
1.1 root 4459: case TARGET_NR_reboot:
4460: goto unimplemented;
1.1.1.6 root 4461: #ifdef TARGET_NR_readdir
1.1 root 4462: case TARGET_NR_readdir:
4463: goto unimplemented;
1.1.1.6 root 4464: #endif
4465: #ifdef TARGET_NR_mmap
1.1 root 4466: case TARGET_NR_mmap:
1.1.1.6 root 4467: #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
1.1 root 4468: {
1.1.1.6 root 4469: abi_ulong *v;
4470: abi_ulong v1, v2, v3, v4, v5, v6;
4471: if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
4472: goto efault;
1.1.1.3 root 4473: v1 = tswapl(v[0]);
4474: v2 = tswapl(v[1]);
4475: v3 = tswapl(v[2]);
4476: v4 = tswapl(v[3]);
4477: v5 = tswapl(v[4]);
4478: v6 = tswapl(v[5]);
4479: unlock_user(v, arg1, 0);
1.1.1.6 root 4480: ret = get_errno(target_mmap(v1, v2, v3,
1.1 root 4481: target_to_host_bitmask(v4, mmap_flags_tbl),
4482: v5, v6));
4483: }
4484: #else
1.1.1.6 root 4485: ret = get_errno(target_mmap(arg1, arg2, arg3,
4486: target_to_host_bitmask(arg4, mmap_flags_tbl),
1.1 root 4487: arg5,
4488: arg6));
4489: #endif
4490: break;
1.1.1.6 root 4491: #endif
1.1 root 4492: #ifdef TARGET_NR_mmap2
4493: case TARGET_NR_mmap2:
1.1.1.7 ! root 4494: #ifndef MMAP_SHIFT
1.1 root 4495: #define MMAP_SHIFT 12
4496: #endif
1.1.1.6 root 4497: ret = get_errno(target_mmap(arg1, arg2, arg3,
4498: target_to_host_bitmask(arg4, mmap_flags_tbl),
1.1 root 4499: arg5,
4500: arg6 << MMAP_SHIFT));
4501: break;
4502: #endif
4503: case TARGET_NR_munmap:
4504: ret = get_errno(target_munmap(arg1, arg2));
4505: break;
4506: case TARGET_NR_mprotect:
4507: ret = get_errno(target_mprotect(arg1, arg2, arg3));
4508: break;
1.1.1.6 root 4509: #ifdef TARGET_NR_mremap
1.1 root 4510: case TARGET_NR_mremap:
4511: ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
4512: break;
1.1.1.6 root 4513: #endif
1.1.1.3 root 4514: /* ??? msync/mlock/munlock are broken for softmmu. */
1.1.1.6 root 4515: #ifdef TARGET_NR_msync
1.1 root 4516: case TARGET_NR_msync:
1.1.1.3 root 4517: ret = get_errno(msync(g2h(arg1), arg2, arg3));
1.1 root 4518: break;
1.1.1.6 root 4519: #endif
4520: #ifdef TARGET_NR_mlock
1.1 root 4521: case TARGET_NR_mlock:
1.1.1.3 root 4522: ret = get_errno(mlock(g2h(arg1), arg2));
1.1 root 4523: break;
1.1.1.6 root 4524: #endif
4525: #ifdef TARGET_NR_munlock
1.1 root 4526: case TARGET_NR_munlock:
1.1.1.3 root 4527: ret = get_errno(munlock(g2h(arg1), arg2));
1.1 root 4528: break;
1.1.1.6 root 4529: #endif
4530: #ifdef TARGET_NR_mlockall
1.1 root 4531: case TARGET_NR_mlockall:
4532: ret = get_errno(mlockall(arg1));
4533: break;
1.1.1.6 root 4534: #endif
4535: #ifdef TARGET_NR_munlockall
1.1 root 4536: case TARGET_NR_munlockall:
4537: ret = get_errno(munlockall());
4538: break;
1.1.1.6 root 4539: #endif
1.1 root 4540: case TARGET_NR_truncate:
1.1.1.6 root 4541: if (!(p = lock_user_string(arg1)))
4542: goto efault;
1.1.1.3 root 4543: ret = get_errno(truncate(p, arg2));
4544: unlock_user(p, arg1, 0);
1.1 root 4545: break;
4546: case TARGET_NR_ftruncate:
4547: ret = get_errno(ftruncate(arg1, arg2));
4548: break;
4549: case TARGET_NR_fchmod:
4550: ret = get_errno(fchmod(arg1, arg2));
4551: break;
1.1.1.6 root 4552: #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
4553: case TARGET_NR_fchmodat:
4554: if (!(p = lock_user_string(arg2)))
4555: goto efault;
4556: ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4));
4557: unlock_user(p, arg2, 0);
4558: break;
4559: #endif
1.1 root 4560: case TARGET_NR_getpriority:
1.1.1.6 root 4561: /* libc does special remapping of the return value of
4562: * sys_getpriority() so it's just easiest to call
4563: * sys_getpriority() directly rather than through libc. */
4564: ret = sys_getpriority(arg1, arg2);
1.1 root 4565: break;
4566: case TARGET_NR_setpriority:
4567: ret = get_errno(setpriority(arg1, arg2, arg3));
4568: break;
4569: #ifdef TARGET_NR_profil
4570: case TARGET_NR_profil:
4571: goto unimplemented;
4572: #endif
4573: case TARGET_NR_statfs:
1.1.1.6 root 4574: if (!(p = lock_user_string(arg1)))
4575: goto efault;
1.1.1.3 root 4576: ret = get_errno(statfs(path(p), &stfs));
4577: unlock_user(p, arg1, 0);
1.1 root 4578: convert_statfs:
4579: if (!is_error(ret)) {
1.1.1.3 root 4580: struct target_statfs *target_stfs;
1.1.1.6 root 4581:
4582: if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
4583: goto efault;
4584: __put_user(stfs.f_type, &target_stfs->f_type);
4585: __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4586: __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4587: __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4588: __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4589: __put_user(stfs.f_files, &target_stfs->f_files);
4590: __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4591: __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4592: __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4593: __put_user(stfs.f_namelen, &target_stfs->f_namelen);
1.1.1.3 root 4594: unlock_user_struct(target_stfs, arg2, 1);
1.1 root 4595: }
4596: break;
4597: case TARGET_NR_fstatfs:
1.1.1.2 root 4598: ret = get_errno(fstatfs(arg1, &stfs));
1.1 root 4599: goto convert_statfs;
1.1.1.2 root 4600: #ifdef TARGET_NR_statfs64
4601: case TARGET_NR_statfs64:
1.1.1.6 root 4602: if (!(p = lock_user_string(arg1)))
4603: goto efault;
1.1.1.3 root 4604: ret = get_errno(statfs(path(p), &stfs));
4605: unlock_user(p, arg1, 0);
1.1.1.2 root 4606: convert_statfs64:
4607: if (!is_error(ret)) {
1.1.1.3 root 4608: struct target_statfs64 *target_stfs;
1.1.1.6 root 4609:
4610: if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
4611: goto efault;
4612: __put_user(stfs.f_type, &target_stfs->f_type);
4613: __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4614: __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4615: __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4616: __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4617: __put_user(stfs.f_files, &target_stfs->f_files);
4618: __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4619: __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4620: __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4621: __put_user(stfs.f_namelen, &target_stfs->f_namelen);
4622: unlock_user_struct(target_stfs, arg3, 1);
1.1.1.2 root 4623: }
4624: break;
4625: case TARGET_NR_fstatfs64:
4626: ret = get_errno(fstatfs(arg1, &stfs));
4627: goto convert_statfs64;
4628: #endif
1.1 root 4629: #ifdef TARGET_NR_ioperm
4630: case TARGET_NR_ioperm:
4631: goto unimplemented;
4632: #endif
1.1.1.6 root 4633: #ifdef TARGET_NR_socketcall
1.1 root 4634: case TARGET_NR_socketcall:
1.1.1.3 root 4635: ret = do_socketcall(arg1, arg2);
1.1 root 4636: break;
1.1.1.6 root 4637: #endif
1.1.1.4 root 4638: #ifdef TARGET_NR_accept
4639: case TARGET_NR_accept:
1.1.1.5 root 4640: ret = do_accept(arg1, arg2, arg3);
1.1.1.4 root 4641: break;
4642: #endif
4643: #ifdef TARGET_NR_bind
4644: case TARGET_NR_bind:
4645: ret = do_bind(arg1, arg2, arg3);
4646: break;
4647: #endif
4648: #ifdef TARGET_NR_connect
4649: case TARGET_NR_connect:
4650: ret = do_connect(arg1, arg2, arg3);
4651: break;
4652: #endif
4653: #ifdef TARGET_NR_getpeername
4654: case TARGET_NR_getpeername:
1.1.1.5 root 4655: ret = do_getpeername(arg1, arg2, arg3);
1.1.1.4 root 4656: break;
4657: #endif
4658: #ifdef TARGET_NR_getsockname
4659: case TARGET_NR_getsockname:
1.1.1.5 root 4660: ret = do_getsockname(arg1, arg2, arg3);
1.1.1.4 root 4661: break;
4662: #endif
4663: #ifdef TARGET_NR_getsockopt
4664: case TARGET_NR_getsockopt:
4665: ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
4666: break;
4667: #endif
4668: #ifdef TARGET_NR_listen
4669: case TARGET_NR_listen:
1.1.1.5 root 4670: ret = get_errno(listen(arg1, arg2));
1.1.1.4 root 4671: break;
4672: #endif
4673: #ifdef TARGET_NR_recv
4674: case TARGET_NR_recv:
1.1.1.6 root 4675: ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
1.1.1.4 root 4676: break;
4677: #endif
4678: #ifdef TARGET_NR_recvfrom
4679: case TARGET_NR_recvfrom:
1.1.1.6 root 4680: ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
1.1.1.4 root 4681: break;
4682: #endif
4683: #ifdef TARGET_NR_recvmsg
4684: case TARGET_NR_recvmsg:
4685: ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
4686: break;
4687: #endif
4688: #ifdef TARGET_NR_send
4689: case TARGET_NR_send:
1.1.1.5 root 4690: ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
1.1.1.4 root 4691: break;
4692: #endif
4693: #ifdef TARGET_NR_sendmsg
4694: case TARGET_NR_sendmsg:
4695: ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
4696: break;
4697: #endif
4698: #ifdef TARGET_NR_sendto
4699: case TARGET_NR_sendto:
1.1.1.5 root 4700: ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
1.1.1.4 root 4701: break;
4702: #endif
4703: #ifdef TARGET_NR_shutdown
4704: case TARGET_NR_shutdown:
1.1.1.5 root 4705: ret = get_errno(shutdown(arg1, arg2));
1.1.1.4 root 4706: break;
4707: #endif
4708: #ifdef TARGET_NR_socket
4709: case TARGET_NR_socket:
4710: ret = do_socket(arg1, arg2, arg3);
4711: break;
4712: #endif
4713: #ifdef TARGET_NR_socketpair
4714: case TARGET_NR_socketpair:
1.1.1.5 root 4715: ret = do_socketpair(arg1, arg2, arg3, arg4);
1.1.1.4 root 4716: break;
4717: #endif
4718: #ifdef TARGET_NR_setsockopt
4719: case TARGET_NR_setsockopt:
4720: ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
4721: break;
4722: #endif
1.1.1.6 root 4723:
1.1 root 4724: case TARGET_NR_syslog:
1.1.1.6 root 4725: if (!(p = lock_user_string(arg2)))
4726: goto efault;
4727: ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
4728: unlock_user(p, arg2, 0);
4729: break;
4730:
1.1 root 4731: case TARGET_NR_setitimer:
4732: {
4733: struct itimerval value, ovalue, *pvalue;
4734:
1.1.1.3 root 4735: if (arg2) {
1.1 root 4736: pvalue = &value;
1.1.1.6 root 4737: if (copy_from_user_timeval(&pvalue->it_interval, arg2)
4738: || copy_from_user_timeval(&pvalue->it_value,
4739: arg2 + sizeof(struct target_timeval)))
4740: goto efault;
1.1 root 4741: } else {
4742: pvalue = NULL;
4743: }
4744: ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1.1.1.3 root 4745: if (!is_error(ret) && arg3) {
1.1.1.6 root 4746: if (copy_to_user_timeval(arg3,
4747: &ovalue.it_interval)
4748: || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
4749: &ovalue.it_value))
4750: goto efault;
1.1 root 4751: }
4752: }
4753: break;
4754: case TARGET_NR_getitimer:
4755: {
4756: struct itimerval value;
1.1.1.6 root 4757:
1.1 root 4758: ret = get_errno(getitimer(arg1, &value));
1.1.1.3 root 4759: if (!is_error(ret) && arg2) {
1.1.1.6 root 4760: if (copy_to_user_timeval(arg2,
4761: &value.it_interval)
4762: || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
4763: &value.it_value))
4764: goto efault;
1.1 root 4765: }
4766: }
4767: break;
4768: case TARGET_NR_stat:
1.1.1.6 root 4769: if (!(p = lock_user_string(arg1)))
4770: goto efault;
1.1.1.3 root 4771: ret = get_errno(stat(path(p), &st));
4772: unlock_user(p, arg1, 0);
1.1 root 4773: goto do_stat;
4774: case TARGET_NR_lstat:
1.1.1.6 root 4775: if (!(p = lock_user_string(arg1)))
4776: goto efault;
1.1.1.3 root 4777: ret = get_errno(lstat(path(p), &st));
4778: unlock_user(p, arg1, 0);
1.1 root 4779: goto do_stat;
4780: case TARGET_NR_fstat:
4781: {
4782: ret = get_errno(fstat(arg1, &st));
4783: do_stat:
4784: if (!is_error(ret)) {
1.1.1.3 root 4785: struct target_stat *target_st;
1.1.1.6 root 4786:
4787: if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
4788: goto efault;
4789: __put_user(st.st_dev, &target_st->st_dev);
4790: __put_user(st.st_ino, &target_st->st_ino);
4791: __put_user(st.st_mode, &target_st->st_mode);
4792: __put_user(st.st_uid, &target_st->st_uid);
4793: __put_user(st.st_gid, &target_st->st_gid);
4794: __put_user(st.st_nlink, &target_st->st_nlink);
4795: __put_user(st.st_rdev, &target_st->st_rdev);
4796: __put_user(st.st_size, &target_st->st_size);
4797: __put_user(st.st_blksize, &target_st->st_blksize);
4798: __put_user(st.st_blocks, &target_st->st_blocks);
4799: __put_user(st.st_atime, &target_st->target_st_atime);
4800: __put_user(st.st_mtime, &target_st->target_st_mtime);
4801: __put_user(st.st_ctime, &target_st->target_st_ctime);
1.1.1.3 root 4802: unlock_user_struct(target_st, arg2, 1);
1.1 root 4803: }
4804: }
4805: break;
4806: #ifdef TARGET_NR_olduname
4807: case TARGET_NR_olduname:
4808: goto unimplemented;
4809: #endif
4810: #ifdef TARGET_NR_iopl
4811: case TARGET_NR_iopl:
4812: goto unimplemented;
4813: #endif
4814: case TARGET_NR_vhangup:
4815: ret = get_errno(vhangup());
4816: break;
4817: #ifdef TARGET_NR_idle
4818: case TARGET_NR_idle:
4819: goto unimplemented;
4820: #endif
4821: #ifdef TARGET_NR_syscall
4822: case TARGET_NR_syscall:
4823: ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
4824: break;
4825: #endif
4826: case TARGET_NR_wait4:
4827: {
4828: int status;
1.1.1.6 root 4829: abi_long status_ptr = arg2;
1.1 root 4830: struct rusage rusage, *rusage_ptr;
1.1.1.6 root 4831: abi_ulong target_rusage = arg4;
1.1 root 4832: if (target_rusage)
4833: rusage_ptr = &rusage;
4834: else
4835: rusage_ptr = NULL;
4836: ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
4837: if (!is_error(ret)) {
1.1.1.6 root 4838: if (status_ptr) {
4839: if (put_user_s32(status, status_ptr))
4840: goto efault;
1.1 root 4841: }
1.1.1.6 root 4842: if (target_rusage)
4843: host_to_target_rusage(target_rusage, &rusage);
1.1 root 4844: }
4845: }
4846: break;
1.1.1.6 root 4847: #ifdef TARGET_NR_swapoff
1.1 root 4848: case TARGET_NR_swapoff:
1.1.1.6 root 4849: if (!(p = lock_user_string(arg1)))
4850: goto efault;
1.1.1.3 root 4851: ret = get_errno(swapoff(p));
4852: unlock_user(p, arg1, 0);
1.1 root 4853: break;
1.1.1.6 root 4854: #endif
1.1 root 4855: case TARGET_NR_sysinfo:
4856: {
1.1.1.3 root 4857: struct target_sysinfo *target_value;
1.1 root 4858: struct sysinfo value;
4859: ret = get_errno(sysinfo(&value));
1.1.1.3 root 4860: if (!is_error(ret) && arg1)
1.1 root 4861: {
1.1.1.6 root 4862: if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
4863: goto efault;
1.1 root 4864: __put_user(value.uptime, &target_value->uptime);
4865: __put_user(value.loads[0], &target_value->loads[0]);
4866: __put_user(value.loads[1], &target_value->loads[1]);
4867: __put_user(value.loads[2], &target_value->loads[2]);
4868: __put_user(value.totalram, &target_value->totalram);
4869: __put_user(value.freeram, &target_value->freeram);
4870: __put_user(value.sharedram, &target_value->sharedram);
4871: __put_user(value.bufferram, &target_value->bufferram);
4872: __put_user(value.totalswap, &target_value->totalswap);
4873: __put_user(value.freeswap, &target_value->freeswap);
4874: __put_user(value.procs, &target_value->procs);
4875: __put_user(value.totalhigh, &target_value->totalhigh);
4876: __put_user(value.freehigh, &target_value->freehigh);
4877: __put_user(value.mem_unit, &target_value->mem_unit);
1.1.1.3 root 4878: unlock_user_struct(target_value, arg1, 1);
1.1 root 4879: }
4880: }
4881: break;
1.1.1.6 root 4882: #ifdef TARGET_NR_ipc
1.1 root 4883: case TARGET_NR_ipc:
4884: ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
4885: break;
1.1.1.6 root 4886: #endif
1.1.1.7 ! root 4887:
! 4888: #ifdef TARGET_NR_msgctl
! 4889: case TARGET_NR_msgctl:
! 4890: ret = do_msgctl(arg1, arg2, arg3);
! 4891: break;
! 4892: #endif
! 4893: #ifdef TARGET_NR_msgget
! 4894: case TARGET_NR_msgget:
! 4895: ret = get_errno(msgget(arg1, arg2));
! 4896: break;
! 4897: #endif
! 4898: #ifdef TARGET_NR_msgrcv
! 4899: case TARGET_NR_msgrcv:
! 4900: ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
! 4901: break;
! 4902: #endif
! 4903: #ifdef TARGET_NR_msgsnd
! 4904: case TARGET_NR_msgsnd:
! 4905: ret = do_msgsnd(arg1, arg2, arg3, arg4);
! 4906: break;
! 4907: #endif
1.1 root 4908: case TARGET_NR_fsync:
4909: ret = get_errno(fsync(arg1));
4910: break;
4911: case TARGET_NR_clone:
1.1.1.7 ! root 4912: #if defined(TARGET_SH4)
! 4913: ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
! 4914: #elif defined(TARGET_CRIS)
! 4915: ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
! 4916: #else
! 4917: ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
! 4918: #endif
1.1 root 4919: break;
4920: #ifdef __NR_exit_group
4921: /* new thread calls */
4922: case TARGET_NR_exit_group:
1.1.1.7 ! root 4923: #ifdef HAVE_GPROF
! 4924: _mcleanup();
! 4925: #endif
1.1 root 4926: gdb_exit(cpu_env, arg1);
4927: ret = get_errno(exit_group(arg1));
4928: break;
4929: #endif
4930: case TARGET_NR_setdomainname:
1.1.1.6 root 4931: if (!(p = lock_user_string(arg1)))
4932: goto efault;
1.1.1.3 root 4933: ret = get_errno(setdomainname(p, arg2));
4934: unlock_user(p, arg1, 0);
1.1 root 4935: break;
4936: case TARGET_NR_uname:
4937: /* no need to transcode because we use the linux syscall */
4938: {
4939: struct new_utsname * buf;
1.1.1.6 root 4940:
4941: if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
4942: goto efault;
1.1 root 4943: ret = get_errno(sys_uname(buf));
4944: if (!is_error(ret)) {
4945: /* Overrite the native machine name with whatever is being
4946: emulated. */
4947: strcpy (buf->machine, UNAME_MACHINE);
1.1.1.4 root 4948: /* Allow the user to override the reported release. */
4949: if (qemu_uname_release && *qemu_uname_release)
4950: strcpy (buf->release, qemu_uname_release);
1.1 root 4951: }
1.1.1.3 root 4952: unlock_user_struct(buf, arg1, 1);
1.1 root 4953: }
4954: break;
4955: #ifdef TARGET_I386
4956: case TARGET_NR_modify_ldt:
1.1.1.6 root 4957: ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
1.1 root 4958: break;
1.1.1.6 root 4959: #if !defined(TARGET_X86_64)
1.1 root 4960: case TARGET_NR_vm86old:
4961: goto unimplemented;
4962: case TARGET_NR_vm86:
1.1.1.3 root 4963: ret = do_vm86(cpu_env, arg1, arg2);
1.1 root 4964: break;
4965: #endif
1.1.1.6 root 4966: #endif
1.1 root 4967: case TARGET_NR_adjtimex:
4968: goto unimplemented;
1.1.1.6 root 4969: #ifdef TARGET_NR_create_module
1.1 root 4970: case TARGET_NR_create_module:
1.1.1.6 root 4971: #endif
1.1 root 4972: case TARGET_NR_init_module:
4973: case TARGET_NR_delete_module:
1.1.1.6 root 4974: #ifdef TARGET_NR_get_kernel_syms
1.1 root 4975: case TARGET_NR_get_kernel_syms:
1.1.1.6 root 4976: #endif
1.1 root 4977: goto unimplemented;
4978: case TARGET_NR_quotactl:
4979: goto unimplemented;
4980: case TARGET_NR_getpgid:
4981: ret = get_errno(getpgid(arg1));
4982: break;
4983: case TARGET_NR_fchdir:
4984: ret = get_errno(fchdir(arg1));
4985: break;
1.1.1.6 root 4986: #ifdef TARGET_NR_bdflush /* not on x86_64 */
1.1 root 4987: case TARGET_NR_bdflush:
4988: goto unimplemented;
1.1.1.6 root 4989: #endif
4990: #ifdef TARGET_NR_sysfs
1.1 root 4991: case TARGET_NR_sysfs:
4992: goto unimplemented;
1.1.1.6 root 4993: #endif
1.1 root 4994: case TARGET_NR_personality:
4995: ret = get_errno(personality(arg1));
4996: break;
1.1.1.6 root 4997: #ifdef TARGET_NR_afs_syscall
1.1 root 4998: case TARGET_NR_afs_syscall:
4999: goto unimplemented;
1.1.1.6 root 5000: #endif
5001: #ifdef TARGET_NR__llseek /* Not on alpha */
1.1 root 5002: case TARGET_NR__llseek:
5003: {
5004: #if defined (__x86_64__)
5005: ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
1.1.1.6 root 5006: if (put_user_s64(ret, arg4))
5007: goto efault;
1.1 root 5008: #else
5009: int64_t res;
5010: ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1.1.1.6 root 5011: if (put_user_s64(res, arg4))
5012: goto efault;
1.1 root 5013: #endif
5014: }
5015: break;
1.1.1.6 root 5016: #endif
1.1 root 5017: case TARGET_NR_getdents:
1.1.1.6 root 5018: #if TARGET_ABI_BITS != 32
1.1.1.3 root 5019: goto unimplemented;
1.1.1.6 root 5020: #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
1.1 root 5021: {
1.1.1.3 root 5022: struct target_dirent *target_dirp;
1.1.1.7 ! root 5023: struct linux_dirent *dirp;
1.1.1.6 root 5024: abi_long count = arg3;
1.1 root 5025:
5026: dirp = malloc(count);
1.1.1.6 root 5027: if (!dirp) {
5028: ret = -TARGET_ENOMEM;
5029: goto fail;
5030: }
5031:
1.1 root 5032: ret = get_errno(sys_getdents(arg1, dirp, count));
5033: if (!is_error(ret)) {
1.1.1.7 ! root 5034: struct linux_dirent *de;
1.1 root 5035: struct target_dirent *tde;
5036: int len = ret;
5037: int reclen, treclen;
5038: int count1, tnamelen;
5039:
5040: count1 = 0;
5041: de = dirp;
1.1.1.6 root 5042: if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5043: goto efault;
1.1 root 5044: tde = target_dirp;
5045: while (len > 0) {
5046: reclen = de->d_reclen;
1.1.1.6 root 5047: treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
1.1 root 5048: tde->d_reclen = tswap16(treclen);
5049: tde->d_ino = tswapl(de->d_ino);
5050: tde->d_off = tswapl(de->d_off);
1.1.1.6 root 5051: tnamelen = treclen - (2 * sizeof(abi_long) + 2);
1.1 root 5052: if (tnamelen > 256)
5053: tnamelen = 256;
5054: /* XXX: may not be correct */
1.1.1.7 ! root 5055: pstrcpy(tde->d_name, tnamelen, de->d_name);
! 5056: de = (struct linux_dirent *)((char *)de + reclen);
1.1 root 5057: len -= reclen;
1.1.1.6 root 5058: tde = (struct target_dirent *)((char *)tde + treclen);
1.1 root 5059: count1 += treclen;
5060: }
5061: ret = count1;
1.1.1.6 root 5062: unlock_user(target_dirp, arg2, ret);
1.1 root 5063: }
5064: free(dirp);
5065: }
5066: #else
5067: {
1.1.1.7 ! root 5068: struct linux_dirent *dirp;
1.1.1.6 root 5069: abi_long count = arg3;
1.1 root 5070:
1.1.1.6 root 5071: if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5072: goto efault;
1.1 root 5073: ret = get_errno(sys_getdents(arg1, dirp, count));
5074: if (!is_error(ret)) {
1.1.1.7 ! root 5075: struct linux_dirent *de;
1.1 root 5076: int len = ret;
5077: int reclen;
5078: de = dirp;
5079: while (len > 0) {
5080: reclen = de->d_reclen;
5081: if (reclen > len)
5082: break;
5083: de->d_reclen = tswap16(reclen);
5084: tswapls(&de->d_ino);
5085: tswapls(&de->d_off);
1.1.1.7 ! root 5086: de = (struct linux_dirent *)((char *)de + reclen);
1.1 root 5087: len -= reclen;
5088: }
5089: }
1.1.1.3 root 5090: unlock_user(dirp, arg2, ret);
1.1 root 5091: }
5092: #endif
5093: break;
1.1.1.6 root 5094: #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
1.1 root 5095: case TARGET_NR_getdents64:
5096: {
1.1.1.7 ! root 5097: struct linux_dirent64 *dirp;
1.1.1.6 root 5098: abi_long count = arg3;
5099: if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5100: goto efault;
1.1 root 5101: ret = get_errno(sys_getdents64(arg1, dirp, count));
5102: if (!is_error(ret)) {
1.1.1.7 ! root 5103: struct linux_dirent64 *de;
1.1 root 5104: int len = ret;
5105: int reclen;
5106: de = dirp;
5107: while (len > 0) {
5108: reclen = de->d_reclen;
5109: if (reclen > len)
5110: break;
5111: de->d_reclen = tswap16(reclen);
1.1.1.6 root 5112: tswap64s((uint64_t *)&de->d_ino);
5113: tswap64s((uint64_t *)&de->d_off);
1.1.1.7 ! root 5114: de = (struct linux_dirent64 *)((char *)de + reclen);
1.1 root 5115: len -= reclen;
5116: }
5117: }
1.1.1.3 root 5118: unlock_user(dirp, arg2, ret);
1.1 root 5119: }
5120: break;
5121: #endif /* TARGET_NR_getdents64 */
1.1.1.6 root 5122: #ifdef TARGET_NR__newselect
1.1 root 5123: case TARGET_NR__newselect:
1.1.1.3 root 5124: ret = do_select(arg1, arg2, arg3, arg4, arg5);
1.1 root 5125: break;
1.1.1.6 root 5126: #endif
5127: #ifdef TARGET_NR_poll
1.1 root 5128: case TARGET_NR_poll:
5129: {
1.1.1.3 root 5130: struct target_pollfd *target_pfd;
1.1 root 5131: unsigned int nfds = arg2;
5132: int timeout = arg3;
5133: struct pollfd *pfd;
5134: unsigned int i;
5135:
1.1.1.6 root 5136: target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5137: if (!target_pfd)
5138: goto efault;
1.1 root 5139: pfd = alloca(sizeof(struct pollfd) * nfds);
5140: for(i = 0; i < nfds; i++) {
5141: pfd[i].fd = tswap32(target_pfd[i].fd);
5142: pfd[i].events = tswap16(target_pfd[i].events);
5143: }
5144: ret = get_errno(poll(pfd, nfds, timeout));
5145: if (!is_error(ret)) {
5146: for(i = 0; i < nfds; i++) {
5147: target_pfd[i].revents = tswap16(pfd[i].revents);
5148: }
1.1.1.3 root 5149: ret += nfds * (sizeof(struct target_pollfd)
5150: - sizeof(struct pollfd));
1.1 root 5151: }
1.1.1.3 root 5152: unlock_user(target_pfd, arg1, ret);
1.1 root 5153: }
5154: break;
1.1.1.6 root 5155: #endif
1.1 root 5156: case TARGET_NR_flock:
5157: /* NOTE: the flock constant seems to be the same for every
5158: Linux platform */
5159: ret = get_errno(flock(arg1, arg2));
5160: break;
5161: case TARGET_NR_readv:
5162: {
5163: int count = arg3;
5164: struct iovec *vec;
5165:
5166: vec = alloca(count * sizeof(struct iovec));
1.1.1.7 ! root 5167: if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
! 5168: goto efault;
1.1 root 5169: ret = get_errno(readv(arg1, vec, count));
1.1.1.3 root 5170: unlock_iovec(vec, arg2, count, 1);
1.1 root 5171: }
5172: break;
5173: case TARGET_NR_writev:
5174: {
5175: int count = arg3;
5176: struct iovec *vec;
5177:
5178: vec = alloca(count * sizeof(struct iovec));
1.1.1.7 ! root 5179: if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
! 5180: goto efault;
1.1 root 5181: ret = get_errno(writev(arg1, vec, count));
1.1.1.3 root 5182: unlock_iovec(vec, arg2, count, 0);
1.1 root 5183: }
5184: break;
5185: case TARGET_NR_getsid:
5186: ret = get_errno(getsid(arg1));
5187: break;
1.1.1.6 root 5188: #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
1.1 root 5189: case TARGET_NR_fdatasync:
5190: ret = get_errno(fdatasync(arg1));
5191: break;
1.1.1.6 root 5192: #endif
1.1 root 5193: case TARGET_NR__sysctl:
1.1.1.6 root 5194: /* We don't implement this, but ENOTDIR is always a safe
1.1 root 5195: return value. */
1.1.1.6 root 5196: ret = -TARGET_ENOTDIR;
5197: break;
1.1 root 5198: case TARGET_NR_sched_setparam:
5199: {
1.1.1.3 root 5200: struct sched_param *target_schp;
1.1 root 5201: struct sched_param schp;
1.1.1.3 root 5202:
1.1.1.6 root 5203: if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5204: goto efault;
1.1 root 5205: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 5206: unlock_user_struct(target_schp, arg2, 0);
1.1 root 5207: ret = get_errno(sched_setparam(arg1, &schp));
5208: }
5209: break;
5210: case TARGET_NR_sched_getparam:
5211: {
1.1.1.3 root 5212: struct sched_param *target_schp;
1.1 root 5213: struct sched_param schp;
5214: ret = get_errno(sched_getparam(arg1, &schp));
5215: if (!is_error(ret)) {
1.1.1.6 root 5216: if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
5217: goto efault;
1.1 root 5218: target_schp->sched_priority = tswap32(schp.sched_priority);
1.1.1.3 root 5219: unlock_user_struct(target_schp, arg2, 1);
1.1 root 5220: }
5221: }
5222: break;
5223: case TARGET_NR_sched_setscheduler:
5224: {
1.1.1.3 root 5225: struct sched_param *target_schp;
1.1 root 5226: struct sched_param schp;
1.1.1.6 root 5227: if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
5228: goto efault;
1.1 root 5229: schp.sched_priority = tswap32(target_schp->sched_priority);
1.1.1.3 root 5230: unlock_user_struct(target_schp, arg3, 0);
1.1 root 5231: ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
5232: }
5233: break;
5234: case TARGET_NR_sched_getscheduler:
5235: ret = get_errno(sched_getscheduler(arg1));
5236: break;
5237: case TARGET_NR_sched_yield:
5238: ret = get_errno(sched_yield());
5239: break;
5240: case TARGET_NR_sched_get_priority_max:
5241: ret = get_errno(sched_get_priority_max(arg1));
5242: break;
5243: case TARGET_NR_sched_get_priority_min:
5244: ret = get_errno(sched_get_priority_min(arg1));
5245: break;
5246: case TARGET_NR_sched_rr_get_interval:
5247: {
5248: struct timespec ts;
5249: ret = get_errno(sched_rr_get_interval(arg1, &ts));
5250: if (!is_error(ret)) {
1.1.1.3 root 5251: host_to_target_timespec(arg2, &ts);
1.1 root 5252: }
5253: }
5254: break;
5255: case TARGET_NR_nanosleep:
5256: {
5257: struct timespec req, rem;
1.1.1.3 root 5258: target_to_host_timespec(&req, arg1);
1.1 root 5259: ret = get_errno(nanosleep(&req, &rem));
1.1.1.3 root 5260: if (is_error(ret) && arg2) {
5261: host_to_target_timespec(arg2, &rem);
1.1 root 5262: }
5263: }
5264: break;
1.1.1.6 root 5265: #ifdef TARGET_NR_query_module
1.1 root 5266: case TARGET_NR_query_module:
5267: goto unimplemented;
1.1.1.6 root 5268: #endif
5269: #ifdef TARGET_NR_nfsservctl
1.1 root 5270: case TARGET_NR_nfsservctl:
5271: goto unimplemented;
1.1.1.6 root 5272: #endif
1.1 root 5273: case TARGET_NR_prctl:
1.1.1.6 root 5274: switch (arg1)
5275: {
5276: case PR_GET_PDEATHSIG:
5277: {
5278: int deathsig;
5279: ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
5280: if (!is_error(ret) && arg2
5281: && put_user_ual(deathsig, arg2))
5282: goto efault;
5283: }
5284: break;
5285: default:
5286: ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
5287: break;
5288: }
5289: break;
5290: #ifdef TARGET_NR_arch_prctl
5291: case TARGET_NR_arch_prctl:
5292: #if defined(TARGET_I386) && !defined(TARGET_ABI32)
5293: ret = do_arch_prctl(cpu_env, arg1, arg2);
5294: break;
5295: #else
1.1 root 5296: goto unimplemented;
1.1.1.6 root 5297: #endif
5298: #endif
1.1 root 5299: #ifdef TARGET_NR_pread
5300: case TARGET_NR_pread:
1.1.1.7 ! root 5301: #ifdef TARGET_ARM
! 5302: if (((CPUARMState *)cpu_env)->eabi)
! 5303: arg4 = arg5;
! 5304: #endif
1.1.1.6 root 5305: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5306: goto efault;
1.1.1.3 root 5307: ret = get_errno(pread(arg1, p, arg3, arg4));
5308: unlock_user(p, arg2, ret);
1.1 root 5309: break;
5310: case TARGET_NR_pwrite:
1.1.1.7 ! root 5311: #ifdef TARGET_ARM
! 5312: if (((CPUARMState *)cpu_env)->eabi)
! 5313: arg4 = arg5;
! 5314: #endif
1.1.1.6 root 5315: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5316: goto efault;
1.1.1.3 root 5317: ret = get_errno(pwrite(arg1, p, arg3, arg4));
5318: unlock_user(p, arg2, 0);
1.1 root 5319: break;
5320: #endif
1.1.1.7 ! root 5321: #ifdef TARGET_NR_pread64
! 5322: case TARGET_NR_pread64:
! 5323: if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
! 5324: goto efault;
! 5325: ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
! 5326: unlock_user(p, arg2, ret);
! 5327: break;
! 5328: case TARGET_NR_pwrite64:
! 5329: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
! 5330: goto efault;
! 5331: ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
! 5332: unlock_user(p, arg2, 0);
! 5333: break;
! 5334: #endif
1.1 root 5335: case TARGET_NR_getcwd:
1.1.1.6 root 5336: if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
5337: goto efault;
1.1.1.3 root 5338: ret = get_errno(sys_getcwd1(p, arg2));
5339: unlock_user(p, arg1, ret);
1.1 root 5340: break;
5341: case TARGET_NR_capget:
5342: goto unimplemented;
5343: case TARGET_NR_capset:
5344: goto unimplemented;
5345: case TARGET_NR_sigaltstack:
1.1.1.6 root 5346: #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
5347: defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
5348: ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
5349: break;
5350: #else
1.1 root 5351: goto unimplemented;
1.1.1.6 root 5352: #endif
1.1 root 5353: case TARGET_NR_sendfile:
5354: goto unimplemented;
5355: #ifdef TARGET_NR_getpmsg
5356: case TARGET_NR_getpmsg:
5357: goto unimplemented;
5358: #endif
5359: #ifdef TARGET_NR_putpmsg
5360: case TARGET_NR_putpmsg:
5361: goto unimplemented;
5362: #endif
1.1.1.2 root 5363: #ifdef TARGET_NR_vfork
1.1 root 5364: case TARGET_NR_vfork:
1.1.1.7 ! root 5365: ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
! 5366: 0, 0, 0, 0));
1.1 root 5367: break;
1.1.1.2 root 5368: #endif
1.1 root 5369: #ifdef TARGET_NR_ugetrlimit
5370: case TARGET_NR_ugetrlimit:
5371: {
5372: struct rlimit rlim;
5373: ret = get_errno(getrlimit(arg1, &rlim));
5374: if (!is_error(ret)) {
1.1.1.3 root 5375: struct target_rlimit *target_rlim;
1.1.1.6 root 5376: if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5377: goto efault;
1.1 root 5378: target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
5379: target_rlim->rlim_max = tswapl(rlim.rlim_max);
1.1.1.3 root 5380: unlock_user_struct(target_rlim, arg2, 1);
1.1 root 5381: }
5382: break;
5383: }
5384: #endif
5385: #ifdef TARGET_NR_truncate64
5386: case TARGET_NR_truncate64:
1.1.1.6 root 5387: if (!(p = lock_user_string(arg1)))
5388: goto efault;
1.1.1.3 root 5389: ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
5390: unlock_user(p, arg1, 0);
1.1 root 5391: break;
5392: #endif
5393: #ifdef TARGET_NR_ftruncate64
5394: case TARGET_NR_ftruncate64:
1.1.1.3 root 5395: ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
1.1 root 5396: break;
5397: #endif
5398: #ifdef TARGET_NR_stat64
5399: case TARGET_NR_stat64:
1.1.1.6 root 5400: if (!(p = lock_user_string(arg1)))
5401: goto efault;
1.1.1.3 root 5402: ret = get_errno(stat(path(p), &st));
5403: unlock_user(p, arg1, 0);
1.1.1.7 ! root 5404: if (!is_error(ret))
! 5405: ret = host_to_target_stat64(cpu_env, arg2, &st);
! 5406: break;
1.1 root 5407: #endif
5408: #ifdef TARGET_NR_lstat64
5409: case TARGET_NR_lstat64:
1.1.1.6 root 5410: if (!(p = lock_user_string(arg1)))
5411: goto efault;
1.1.1.3 root 5412: ret = get_errno(lstat(path(p), &st));
5413: unlock_user(p, arg1, 0);
1.1.1.7 ! root 5414: if (!is_error(ret))
! 5415: ret = host_to_target_stat64(cpu_env, arg2, &st);
! 5416: break;
1.1 root 5417: #endif
5418: #ifdef TARGET_NR_fstat64
5419: case TARGET_NR_fstat64:
1.1.1.7 ! root 5420: ret = get_errno(fstat(arg1, &st));
! 5421: if (!is_error(ret))
! 5422: ret = host_to_target_stat64(cpu_env, arg2, &st);
! 5423: break;
1.1 root 5424: #endif
1.1.1.7 ! root 5425: #if defined(TARGET_NR_fstatat64) && defined(__NR_fstatat64)
! 5426: case TARGET_NR_fstatat64:
! 5427: if (!(p = lock_user_string(arg2)))
! 5428: goto efault;
! 5429: ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
! 5430: if (!is_error(ret))
! 5431: ret = host_to_target_stat64(cpu_env, arg3, &st);
1.1 root 5432: break;
5433: #endif
5434: #ifdef USE_UID16
5435: case TARGET_NR_lchown:
1.1.1.6 root 5436: if (!(p = lock_user_string(arg1)))
5437: goto efault;
1.1.1.3 root 5438: ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
5439: unlock_user(p, arg1, 0);
1.1 root 5440: break;
5441: case TARGET_NR_getuid:
5442: ret = get_errno(high2lowuid(getuid()));
5443: break;
5444: case TARGET_NR_getgid:
5445: ret = get_errno(high2lowgid(getgid()));
5446: break;
5447: case TARGET_NR_geteuid:
5448: ret = get_errno(high2lowuid(geteuid()));
5449: break;
5450: case TARGET_NR_getegid:
5451: ret = get_errno(high2lowgid(getegid()));
5452: break;
5453: case TARGET_NR_setreuid:
5454: ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
5455: break;
5456: case TARGET_NR_setregid:
5457: ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
5458: break;
5459: case TARGET_NR_getgroups:
5460: {
5461: int gidsetsize = arg1;
1.1.1.3 root 5462: uint16_t *target_grouplist;
1.1 root 5463: gid_t *grouplist;
5464: int i;
5465:
5466: grouplist = alloca(gidsetsize * sizeof(gid_t));
5467: ret = get_errno(getgroups(gidsetsize, grouplist));
1.1.1.7 ! root 5468: if (gidsetsize == 0)
! 5469: break;
1.1 root 5470: if (!is_error(ret)) {
1.1.1.6 root 5471: target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
5472: if (!target_grouplist)
5473: goto efault;
1.1.1.7 ! root 5474: for(i = 0;i < ret; i++)
1.1 root 5475: target_grouplist[i] = tswap16(grouplist[i]);
1.1.1.3 root 5476: unlock_user(target_grouplist, arg2, gidsetsize * 2);
1.1 root 5477: }
5478: }
5479: break;
5480: case TARGET_NR_setgroups:
5481: {
5482: int gidsetsize = arg1;
1.1.1.3 root 5483: uint16_t *target_grouplist;
1.1 root 5484: gid_t *grouplist;
5485: int i;
5486:
5487: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.6 root 5488: target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
5489: if (!target_grouplist) {
5490: ret = -TARGET_EFAULT;
5491: goto fail;
5492: }
1.1 root 5493: for(i = 0;i < gidsetsize; i++)
5494: grouplist[i] = tswap16(target_grouplist[i]);
1.1.1.3 root 5495: unlock_user(target_grouplist, arg2, 0);
1.1 root 5496: ret = get_errno(setgroups(gidsetsize, grouplist));
5497: }
5498: break;
5499: case TARGET_NR_fchown:
5500: ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
5501: break;
1.1.1.6 root 5502: #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
5503: case TARGET_NR_fchownat:
5504: if (!(p = lock_user_string(arg2)))
5505: goto efault;
5506: ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
5507: unlock_user(p, arg2, 0);
5508: break;
5509: #endif
1.1 root 5510: #ifdef TARGET_NR_setresuid
5511: case TARGET_NR_setresuid:
1.1.1.6 root 5512: ret = get_errno(setresuid(low2highuid(arg1),
5513: low2highuid(arg2),
1.1 root 5514: low2highuid(arg3)));
5515: break;
5516: #endif
5517: #ifdef TARGET_NR_getresuid
5518: case TARGET_NR_getresuid:
5519: {
1.1.1.3 root 5520: uid_t ruid, euid, suid;
1.1 root 5521: ret = get_errno(getresuid(&ruid, &euid, &suid));
5522: if (!is_error(ret)) {
1.1.1.6 root 5523: if (put_user_u16(high2lowuid(ruid), arg1)
5524: || put_user_u16(high2lowuid(euid), arg2)
5525: || put_user_u16(high2lowuid(suid), arg3))
5526: goto efault;
1.1 root 5527: }
5528: }
5529: break;
5530: #endif
5531: #ifdef TARGET_NR_getresgid
5532: case TARGET_NR_setresgid:
1.1.1.6 root 5533: ret = get_errno(setresgid(low2highgid(arg1),
5534: low2highgid(arg2),
1.1 root 5535: low2highgid(arg3)));
5536: break;
5537: #endif
5538: #ifdef TARGET_NR_getresgid
5539: case TARGET_NR_getresgid:
5540: {
1.1.1.3 root 5541: gid_t rgid, egid, sgid;
1.1 root 5542: ret = get_errno(getresgid(&rgid, &egid, &sgid));
5543: if (!is_error(ret)) {
1.1.1.6 root 5544: if (put_user_u16(high2lowgid(rgid), arg1)
5545: || put_user_u16(high2lowgid(egid), arg2)
5546: || put_user_u16(high2lowgid(sgid), arg3))
5547: goto efault;
1.1 root 5548: }
5549: }
5550: break;
5551: #endif
5552: case TARGET_NR_chown:
1.1.1.6 root 5553: if (!(p = lock_user_string(arg1)))
5554: goto efault;
1.1.1.3 root 5555: ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
5556: unlock_user(p, arg1, 0);
1.1 root 5557: break;
5558: case TARGET_NR_setuid:
5559: ret = get_errno(setuid(low2highuid(arg1)));
5560: break;
5561: case TARGET_NR_setgid:
5562: ret = get_errno(setgid(low2highgid(arg1)));
5563: break;
5564: case TARGET_NR_setfsuid:
5565: ret = get_errno(setfsuid(arg1));
5566: break;
5567: case TARGET_NR_setfsgid:
5568: ret = get_errno(setfsgid(arg1));
5569: break;
5570: #endif /* USE_UID16 */
5571:
5572: #ifdef TARGET_NR_lchown32
5573: case TARGET_NR_lchown32:
1.1.1.6 root 5574: if (!(p = lock_user_string(arg1)))
5575: goto efault;
1.1.1.3 root 5576: ret = get_errno(lchown(p, arg2, arg3));
5577: unlock_user(p, arg1, 0);
1.1 root 5578: break;
5579: #endif
5580: #ifdef TARGET_NR_getuid32
5581: case TARGET_NR_getuid32:
5582: ret = get_errno(getuid());
5583: break;
5584: #endif
1.1.1.7 ! root 5585:
! 5586: #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
! 5587: /* Alpha specific */
! 5588: case TARGET_NR_getxuid:
! 5589: {
! 5590: uid_t euid;
! 5591: euid=geteuid();
! 5592: ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
! 5593: }
! 5594: ret = get_errno(getuid());
! 5595: break;
! 5596: #endif
! 5597: #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
! 5598: /* Alpha specific */
! 5599: case TARGET_NR_getxgid:
! 5600: {
! 5601: uid_t egid;
! 5602: egid=getegid();
! 5603: ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
! 5604: }
! 5605: ret = get_errno(getgid());
! 5606: break;
! 5607: #endif
! 5608:
1.1 root 5609: #ifdef TARGET_NR_getgid32
5610: case TARGET_NR_getgid32:
5611: ret = get_errno(getgid());
5612: break;
5613: #endif
5614: #ifdef TARGET_NR_geteuid32
5615: case TARGET_NR_geteuid32:
5616: ret = get_errno(geteuid());
5617: break;
5618: #endif
5619: #ifdef TARGET_NR_getegid32
5620: case TARGET_NR_getegid32:
5621: ret = get_errno(getegid());
5622: break;
5623: #endif
5624: #ifdef TARGET_NR_setreuid32
5625: case TARGET_NR_setreuid32:
5626: ret = get_errno(setreuid(arg1, arg2));
5627: break;
5628: #endif
5629: #ifdef TARGET_NR_setregid32
5630: case TARGET_NR_setregid32:
5631: ret = get_errno(setregid(arg1, arg2));
5632: break;
5633: #endif
5634: #ifdef TARGET_NR_getgroups32
5635: case TARGET_NR_getgroups32:
5636: {
5637: int gidsetsize = arg1;
1.1.1.3 root 5638: uint32_t *target_grouplist;
1.1 root 5639: gid_t *grouplist;
5640: int i;
5641:
5642: grouplist = alloca(gidsetsize * sizeof(gid_t));
5643: ret = get_errno(getgroups(gidsetsize, grouplist));
1.1.1.7 ! root 5644: if (gidsetsize == 0)
! 5645: break;
1.1 root 5646: if (!is_error(ret)) {
1.1.1.6 root 5647: target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
5648: if (!target_grouplist) {
5649: ret = -TARGET_EFAULT;
5650: goto fail;
5651: }
1.1.1.7 ! root 5652: for(i = 0;i < ret; i++)
1.1.1.3 root 5653: target_grouplist[i] = tswap32(grouplist[i]);
5654: unlock_user(target_grouplist, arg2, gidsetsize * 4);
1.1 root 5655: }
5656: }
5657: break;
5658: #endif
5659: #ifdef TARGET_NR_setgroups32
5660: case TARGET_NR_setgroups32:
5661: {
5662: int gidsetsize = arg1;
1.1.1.3 root 5663: uint32_t *target_grouplist;
1.1 root 5664: gid_t *grouplist;
5665: int i;
1.1.1.6 root 5666:
1.1 root 5667: grouplist = alloca(gidsetsize * sizeof(gid_t));
1.1.1.6 root 5668: target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
5669: if (!target_grouplist) {
5670: ret = -TARGET_EFAULT;
5671: goto fail;
5672: }
1.1 root 5673: for(i = 0;i < gidsetsize; i++)
1.1.1.3 root 5674: grouplist[i] = tswap32(target_grouplist[i]);
5675: unlock_user(target_grouplist, arg2, 0);
1.1 root 5676: ret = get_errno(setgroups(gidsetsize, grouplist));
5677: }
5678: break;
5679: #endif
5680: #ifdef TARGET_NR_fchown32
5681: case TARGET_NR_fchown32:
5682: ret = get_errno(fchown(arg1, arg2, arg3));
5683: break;
5684: #endif
5685: #ifdef TARGET_NR_setresuid32
5686: case TARGET_NR_setresuid32:
5687: ret = get_errno(setresuid(arg1, arg2, arg3));
5688: break;
5689: #endif
5690: #ifdef TARGET_NR_getresuid32
5691: case TARGET_NR_getresuid32:
5692: {
1.1.1.3 root 5693: uid_t ruid, euid, suid;
1.1 root 5694: ret = get_errno(getresuid(&ruid, &euid, &suid));
5695: if (!is_error(ret)) {
1.1.1.6 root 5696: if (put_user_u32(ruid, arg1)
5697: || put_user_u32(euid, arg2)
5698: || put_user_u32(suid, arg3))
5699: goto efault;
1.1 root 5700: }
5701: }
5702: break;
5703: #endif
5704: #ifdef TARGET_NR_setresgid32
5705: case TARGET_NR_setresgid32:
5706: ret = get_errno(setresgid(arg1, arg2, arg3));
5707: break;
5708: #endif
5709: #ifdef TARGET_NR_getresgid32
5710: case TARGET_NR_getresgid32:
5711: {
1.1.1.3 root 5712: gid_t rgid, egid, sgid;
1.1 root 5713: ret = get_errno(getresgid(&rgid, &egid, &sgid));
5714: if (!is_error(ret)) {
1.1.1.6 root 5715: if (put_user_u32(rgid, arg1)
5716: || put_user_u32(egid, arg2)
5717: || put_user_u32(sgid, arg3))
5718: goto efault;
1.1 root 5719: }
5720: }
5721: break;
5722: #endif
5723: #ifdef TARGET_NR_chown32
5724: case TARGET_NR_chown32:
1.1.1.6 root 5725: if (!(p = lock_user_string(arg1)))
5726: goto efault;
1.1.1.3 root 5727: ret = get_errno(chown(p, arg2, arg3));
5728: unlock_user(p, arg1, 0);
1.1 root 5729: break;
5730: #endif
5731: #ifdef TARGET_NR_setuid32
5732: case TARGET_NR_setuid32:
5733: ret = get_errno(setuid(arg1));
5734: break;
5735: #endif
5736: #ifdef TARGET_NR_setgid32
5737: case TARGET_NR_setgid32:
5738: ret = get_errno(setgid(arg1));
5739: break;
5740: #endif
5741: #ifdef TARGET_NR_setfsuid32
5742: case TARGET_NR_setfsuid32:
5743: ret = get_errno(setfsuid(arg1));
5744: break;
5745: #endif
5746: #ifdef TARGET_NR_setfsgid32
5747: case TARGET_NR_setfsgid32:
5748: ret = get_errno(setfsgid(arg1));
5749: break;
5750: #endif
5751:
5752: case TARGET_NR_pivot_root:
5753: goto unimplemented;
5754: #ifdef TARGET_NR_mincore
5755: case TARGET_NR_mincore:
1.1.1.7 ! root 5756: {
! 5757: void *a;
! 5758: ret = -TARGET_EFAULT;
! 5759: if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
! 5760: goto efault;
! 5761: if (!(p = lock_user_string(arg3)))
! 5762: goto mincore_fail;
! 5763: ret = get_errno(mincore(a, arg2, p));
! 5764: unlock_user(p, arg3, ret);
! 5765: mincore_fail:
! 5766: unlock_user(a, arg1, 0);
! 5767: }
! 5768: break;
! 5769: #endif
! 5770: #ifdef TARGET_NR_arm_fadvise64_64
! 5771: case TARGET_NR_arm_fadvise64_64:
! 5772: {
! 5773: /*
! 5774: * arm_fadvise64_64 looks like fadvise64_64 but
! 5775: * with different argument order
! 5776: */
! 5777: abi_long temp;
! 5778: temp = arg3;
! 5779: arg3 = arg4;
! 5780: arg4 = temp;
! 5781: }
! 5782: #endif
! 5783: #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
! 5784: #ifdef TARGET_NR_fadvise64_64
! 5785: case TARGET_NR_fadvise64_64:
! 5786: #endif
! 5787: /* This is a hint, so ignoring and returning success is ok. */
! 5788: ret = get_errno(0);
! 5789: break;
1.1 root 5790: #endif
5791: #ifdef TARGET_NR_madvise
5792: case TARGET_NR_madvise:
1.1.1.3 root 5793: /* A straight passthrough may not be safe because qemu sometimes
5794: turns private flie-backed mappings into anonymous mappings.
5795: This will break MADV_DONTNEED.
5796: This is a hint, so ignoring and returning success is ok. */
5797: ret = get_errno(0);
5798: break;
1.1 root 5799: #endif
1.1.1.6 root 5800: #if TARGET_ABI_BITS == 32
1.1 root 5801: case TARGET_NR_fcntl64:
5802: {
1.1.1.6 root 5803: int cmd;
1.1 root 5804: struct flock64 fl;
1.1.1.3 root 5805: struct target_flock64 *target_fl;
5806: #ifdef TARGET_ARM
5807: struct target_eabi_flock64 *target_efl;
5808: #endif
1.1 root 5809:
1.1.1.6 root 5810: switch(arg2){
5811: case TARGET_F_GETLK64:
5812: cmd = F_GETLK64;
5813: break;
5814: case TARGET_F_SETLK64:
5815: cmd = F_SETLK64;
5816: break;
5817: case TARGET_F_SETLKW64:
5818: cmd = F_SETLK64;
5819: break;
5820: default:
5821: cmd = arg2;
5822: break;
5823: }
5824:
1.1 root 5825: switch(arg2) {
1.1.1.6 root 5826: case TARGET_F_GETLK64:
5827: #ifdef TARGET_ARM
5828: if (((CPUARMState *)cpu_env)->eabi) {
5829: if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
5830: goto efault;
5831: fl.l_type = tswap16(target_efl->l_type);
5832: fl.l_whence = tswap16(target_efl->l_whence);
5833: fl.l_start = tswap64(target_efl->l_start);
5834: fl.l_len = tswap64(target_efl->l_len);
5835: fl.l_pid = tswapl(target_efl->l_pid);
5836: unlock_user_struct(target_efl, arg3, 0);
5837: } else
5838: #endif
5839: {
5840: if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
5841: goto efault;
5842: fl.l_type = tswap16(target_fl->l_type);
5843: fl.l_whence = tswap16(target_fl->l_whence);
5844: fl.l_start = tswap64(target_fl->l_start);
5845: fl.l_len = tswap64(target_fl->l_len);
5846: fl.l_pid = tswapl(target_fl->l_pid);
5847: unlock_user_struct(target_fl, arg3, 0);
5848: }
5849: ret = get_errno(fcntl(arg1, cmd, &fl));
1.1 root 5850: if (ret == 0) {
1.1.1.3 root 5851: #ifdef TARGET_ARM
5852: if (((CPUARMState *)cpu_env)->eabi) {
1.1.1.6 root 5853: if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
5854: goto efault;
1.1.1.3 root 5855: target_efl->l_type = tswap16(fl.l_type);
5856: target_efl->l_whence = tswap16(fl.l_whence);
5857: target_efl->l_start = tswap64(fl.l_start);
5858: target_efl->l_len = tswap64(fl.l_len);
5859: target_efl->l_pid = tswapl(fl.l_pid);
5860: unlock_user_struct(target_efl, arg3, 1);
5861: } else
5862: #endif
5863: {
1.1.1.6 root 5864: if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
5865: goto efault;
1.1.1.3 root 5866: target_fl->l_type = tswap16(fl.l_type);
5867: target_fl->l_whence = tswap16(fl.l_whence);
5868: target_fl->l_start = tswap64(fl.l_start);
5869: target_fl->l_len = tswap64(fl.l_len);
5870: target_fl->l_pid = tswapl(fl.l_pid);
5871: unlock_user_struct(target_fl, arg3, 1);
5872: }
1.1 root 5873: }
5874: break;
5875:
1.1.1.6 root 5876: case TARGET_F_SETLK64:
5877: case TARGET_F_SETLKW64:
1.1.1.3 root 5878: #ifdef TARGET_ARM
5879: if (((CPUARMState *)cpu_env)->eabi) {
1.1.1.6 root 5880: if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
5881: goto efault;
1.1.1.3 root 5882: fl.l_type = tswap16(target_efl->l_type);
5883: fl.l_whence = tswap16(target_efl->l_whence);
5884: fl.l_start = tswap64(target_efl->l_start);
5885: fl.l_len = tswap64(target_efl->l_len);
5886: fl.l_pid = tswapl(target_efl->l_pid);
5887: unlock_user_struct(target_efl, arg3, 0);
5888: } else
5889: #endif
5890: {
1.1.1.6 root 5891: if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
5892: goto efault;
1.1.1.3 root 5893: fl.l_type = tswap16(target_fl->l_type);
5894: fl.l_whence = tswap16(target_fl->l_whence);
5895: fl.l_start = tswap64(target_fl->l_start);
5896: fl.l_len = tswap64(target_fl->l_len);
5897: fl.l_pid = tswapl(target_fl->l_pid);
5898: unlock_user_struct(target_fl, arg3, 0);
5899: }
1.1.1.6 root 5900: ret = get_errno(fcntl(arg1, cmd, &fl));
1.1 root 5901: break;
5902: default:
1.1.1.6 root 5903: ret = do_fcntl(arg1, cmd, arg3);
1.1 root 5904: break;
5905: }
5906: break;
5907: }
5908: #endif
1.1.1.5 root 5909: #ifdef TARGET_NR_cacheflush
5910: case TARGET_NR_cacheflush:
5911: /* self-modifying code is handled automatically, so nothing needed */
5912: ret = 0;
5913: break;
5914: #endif
1.1 root 5915: #ifdef TARGET_NR_security
5916: case TARGET_NR_security:
5917: goto unimplemented;
5918: #endif
5919: #ifdef TARGET_NR_getpagesize
5920: case TARGET_NR_getpagesize:
5921: ret = TARGET_PAGE_SIZE;
5922: break;
5923: #endif
5924: case TARGET_NR_gettid:
5925: ret = get_errno(gettid());
5926: break;
1.1.1.6 root 5927: #ifdef TARGET_NR_readahead
1.1 root 5928: case TARGET_NR_readahead:
1.1.1.7 ! root 5929: #if TARGET_ABI_BITS == 32
! 5930: #ifdef TARGET_ARM
! 5931: if (((CPUARMState *)cpu_env)->eabi)
! 5932: {
! 5933: arg2 = arg3;
! 5934: arg3 = arg4;
! 5935: arg4 = arg5;
! 5936: }
! 5937: #endif
! 5938: ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
! 5939: #else
! 5940: ret = get_errno(readahead(arg1, arg2, arg3));
! 5941: #endif
! 5942: break;
1.1.1.6 root 5943: #endif
1.1 root 5944: #ifdef TARGET_NR_setxattr
5945: case TARGET_NR_setxattr:
5946: case TARGET_NR_lsetxattr:
5947: case TARGET_NR_fsetxattr:
5948: case TARGET_NR_getxattr:
5949: case TARGET_NR_lgetxattr:
5950: case TARGET_NR_fgetxattr:
5951: case TARGET_NR_listxattr:
5952: case TARGET_NR_llistxattr:
5953: case TARGET_NR_flistxattr:
5954: case TARGET_NR_removexattr:
5955: case TARGET_NR_lremovexattr:
5956: case TARGET_NR_fremovexattr:
5957: goto unimplemented_nowarn;
5958: #endif
5959: #ifdef TARGET_NR_set_thread_area
5960: case TARGET_NR_set_thread_area:
1.1.1.6 root 5961: #if defined(TARGET_MIPS)
5962: ((CPUMIPSState *) cpu_env)->tls_value = arg1;
5963: ret = 0;
5964: break;
1.1.1.7 ! root 5965: #elif defined(TARGET_CRIS)
! 5966: if (arg1 & 0xff)
! 5967: ret = -TARGET_EINVAL;
! 5968: else {
! 5969: ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
! 5970: ret = 0;
! 5971: }
! 5972: break;
1.1.1.6 root 5973: #elif defined(TARGET_I386) && defined(TARGET_ABI32)
5974: ret = do_set_thread_area(cpu_env, arg1);
5975: break;
5976: #else
5977: goto unimplemented_nowarn;
5978: #endif
5979: #endif
5980: #ifdef TARGET_NR_get_thread_area
1.1 root 5981: case TARGET_NR_get_thread_area:
1.1.1.6 root 5982: #if defined(TARGET_I386) && defined(TARGET_ABI32)
5983: ret = do_get_thread_area(cpu_env, arg1);
5984: #else
1.1 root 5985: goto unimplemented_nowarn;
5986: #endif
1.1.1.6 root 5987: #endif
1.1.1.4 root 5988: #ifdef TARGET_NR_getdomainname
5989: case TARGET_NR_getdomainname:
5990: goto unimplemented_nowarn;
5991: #endif
1.1.1.6 root 5992:
5993: #ifdef TARGET_NR_clock_gettime
5994: case TARGET_NR_clock_gettime:
5995: {
5996: struct timespec ts;
5997: ret = get_errno(clock_gettime(arg1, &ts));
5998: if (!is_error(ret)) {
5999: host_to_target_timespec(arg2, &ts);
6000: }
6001: break;
6002: }
6003: #endif
6004: #ifdef TARGET_NR_clock_getres
6005: case TARGET_NR_clock_getres:
6006: {
6007: struct timespec ts;
6008: ret = get_errno(clock_getres(arg1, &ts));
6009: if (!is_error(ret)) {
6010: host_to_target_timespec(arg2, &ts);
6011: }
6012: break;
6013: }
6014: #endif
1.1.1.7 ! root 6015: #ifdef TARGET_NR_clock_nanosleep
! 6016: case TARGET_NR_clock_nanosleep:
! 6017: {
! 6018: struct timespec ts;
! 6019: target_to_host_timespec(&ts, arg3);
! 6020: ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
! 6021: if (arg4)
! 6022: host_to_target_timespec(arg4, &ts);
! 6023: break;
! 6024: }
! 6025: #endif
1.1.1.6 root 6026:
6027: #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6028: case TARGET_NR_set_tid_address:
6029: ret = get_errno(set_tid_address((int *)g2h(arg1)));
6030: break;
6031: #endif
6032:
6033: #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
6034: case TARGET_NR_tkill:
1.1.1.7 ! root 6035: ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
1.1.1.6 root 6036: break;
6037: #endif
6038:
6039: #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
6040: case TARGET_NR_tgkill:
1.1.1.7 ! root 6041: ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
! 6042: target_to_host_signal(arg3)));
1.1.1.6 root 6043: break;
6044: #endif
6045:
6046: #ifdef TARGET_NR_set_robust_list
6047: case TARGET_NR_set_robust_list:
6048: goto unimplemented_nowarn;
6049: #endif
6050:
6051: #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6052: case TARGET_NR_utimensat:
6053: {
6054: struct timespec ts[2];
6055: target_to_host_timespec(ts, arg3);
6056: target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6057: if (!arg2)
6058: ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
6059: else {
6060: if (!(p = lock_user_string(arg2))) {
6061: ret = -TARGET_EFAULT;
6062: goto fail;
6063: }
6064: ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4));
6065: unlock_user(p, arg2, 0);
6066: }
6067: }
6068: break;
6069: #endif
1.1.1.7 ! root 6070: #if defined(USE_NPTL)
! 6071: case TARGET_NR_futex:
! 6072: ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
! 6073: break;
! 6074: #endif
! 6075: #ifdef TARGET_NR_inotify_init
! 6076: case TARGET_NR_inotify_init:
! 6077: ret = get_errno(sys_inotify_init());
! 6078: break;
! 6079: #endif
! 6080: #ifdef TARGET_NR_inotify_add_watch
! 6081: case TARGET_NR_inotify_add_watch:
! 6082: p = lock_user_string(arg2);
! 6083: ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
! 6084: unlock_user(p, arg2, 0);
! 6085: break;
! 6086: #endif
! 6087: #ifdef TARGET_NR_inotify_rm_watch
! 6088: case TARGET_NR_inotify_rm_watch:
! 6089: ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
! 6090: break;
! 6091: #endif
1.1.1.6 root 6092:
1.1 root 6093: default:
6094: unimplemented:
6095: gemu_log("qemu: Unsupported syscall: %d\n", num);
1.1.1.6 root 6096: #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
1.1 root 6097: unimplemented_nowarn:
6098: #endif
1.1.1.6 root 6099: ret = -TARGET_ENOSYS;
1.1 root 6100: break;
6101: }
1.1.1.6 root 6102: fail:
1.1 root 6103: #ifdef DEBUG
6104: gemu_log(" = %ld\n", ret);
6105: #endif
1.1.1.6 root 6106: if(do_strace)
6107: print_syscall_ret(num, ret);
1.1 root 6108: return ret;
1.1.1.6 root 6109: efault:
6110: ret = -TARGET_EFAULT;
6111: goto fail;
1.1 root 6112: }
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