4670 lines
142 KiB
C
4670 lines
142 KiB
C
/*
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* Linux syscalls
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <elf.h>
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#include <endian.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <sys/wait.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <sys/mount.h>
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#include <sys/prctl.h>
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#include <sys/resource.h>
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#include <sys/mman.h>
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#include <sys/swap.h>
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#include <signal.h>
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#include <sched.h>
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#include <sys/socket.h>
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#include <sys/uio.h>
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#include <sys/poll.h>
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#include <sys/times.h>
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#include <sys/shm.h>
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#include <sys/sem.h>
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#include <sys/statfs.h>
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#include <utime.h>
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#include <sys/sysinfo.h>
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//#include <sys/user.h>
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#include <netinet/ip.h>
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#include <netinet/tcp.h>
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#define termios host_termios
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#define winsize host_winsize
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#define termio host_termio
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#define sgttyb host_sgttyb /* same as target */
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#define tchars host_tchars /* same as target */
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#define ltchars host_ltchars /* same as target */
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#include <linux/termios.h>
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#include <linux/unistd.h>
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#include <linux/utsname.h>
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#include <linux/cdrom.h>
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#include <linux/hdreg.h>
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#include <linux/soundcard.h>
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#include <linux/dirent.h>
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#include <linux/kd.h>
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#include "qemu.h"
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//#define DEBUG
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#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
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|| defined(TARGET_M68K) || defined(TARGET_SH4)
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/* 16 bit uid wrappers emulation */
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#define USE_UID16
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#endif
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//#include <linux/msdos_fs.h>
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#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
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#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
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#undef _syscall0
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#undef _syscall1
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#undef _syscall2
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#undef _syscall3
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#undef _syscall4
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#undef _syscall5
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#undef _syscall6
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#define _syscall0(type,name) \
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type name (void) \
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{ \
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return syscall(__NR_##name); \
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}
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#define _syscall1(type,name,type1,arg1) \
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type name (type1 arg1) \
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{ \
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return syscall(__NR_##name, arg1); \
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}
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#define _syscall2(type,name,type1,arg1,type2,arg2) \
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type name (type1 arg1,type2 arg2) \
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{ \
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return syscall(__NR_##name, arg1, arg2); \
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}
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#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
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type name (type1 arg1,type2 arg2,type3 arg3) \
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3); \
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}
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#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
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}
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5) \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
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}
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#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5,type6,arg6) \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
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}
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#define __NR_sys_uname __NR_uname
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#define __NR_sys_getcwd1 __NR_getcwd
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#define __NR_sys_getdents __NR_getdents
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#define __NR_sys_getdents64 __NR_getdents64
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#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
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#define __NR_sys_syslog __NR_syslog
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#define __NR_sys_tgkill __NR_tgkill
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#define __NR_sys_tkill __NR_tkill
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#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
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#define __NR__llseek __NR_lseek
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#endif
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#ifdef __NR_gettid
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_syscall0(int, gettid)
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#else
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static int gettid(void) {
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return -ENOSYS;
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}
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#endif
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_syscall1(int,sys_uname,struct new_utsname *,buf)
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_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
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_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
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_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
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_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
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loff_t *, res, uint, wh);
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_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
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_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
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#ifdef TARGET_NR_tgkill
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_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
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#endif
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#ifdef TARGET_NR_tkill
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_syscall2(int,sys_tkill,int,tid,int,sig)
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#endif
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#ifdef __NR_exit_group
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_syscall1(int,exit_group,int,error_code)
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#endif
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#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
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_syscall1(int,set_tid_address,int *,tidptr)
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#endif
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extern int personality(int);
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extern int flock(int, int);
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extern int setfsuid(int);
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extern int setfsgid(int);
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extern int setresuid(uid_t, uid_t, uid_t);
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extern int getresuid(uid_t *, uid_t *, uid_t *);
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extern int setresgid(gid_t, gid_t, gid_t);
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extern int getresgid(gid_t *, gid_t *, gid_t *);
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extern int setgroups(int, gid_t *);
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/*
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* This list is the union of errno values overridden in asm-<arch>/errno.h
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* minus the errnos that are not actually generic to all archs.
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*/
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static uint16_t host_to_target_errno_table[1200] = {
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[EIDRM] = TARGET_EIDRM,
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[ECHRNG] = TARGET_ECHRNG,
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[EL2NSYNC] = TARGET_EL2NSYNC,
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[EL3HLT] = TARGET_EL3HLT,
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[EL3RST] = TARGET_EL3RST,
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[ELNRNG] = TARGET_ELNRNG,
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[EUNATCH] = TARGET_EUNATCH,
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[ENOCSI] = TARGET_ENOCSI,
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[EL2HLT] = TARGET_EL2HLT,
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[EDEADLK] = TARGET_EDEADLK,
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[ENOLCK] = TARGET_ENOLCK,
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[EBADE] = TARGET_EBADE,
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[EBADR] = TARGET_EBADR,
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[EXFULL] = TARGET_EXFULL,
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[ENOANO] = TARGET_ENOANO,
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[EBADRQC] = TARGET_EBADRQC,
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[EBADSLT] = TARGET_EBADSLT,
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[EBFONT] = TARGET_EBFONT,
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[ENOSTR] = TARGET_ENOSTR,
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[ENODATA] = TARGET_ENODATA,
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[ETIME] = TARGET_ETIME,
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[ENOSR] = TARGET_ENOSR,
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[ENONET] = TARGET_ENONET,
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[ENOPKG] = TARGET_ENOPKG,
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[EREMOTE] = TARGET_EREMOTE,
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[ENOLINK] = TARGET_ENOLINK,
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[EADV] = TARGET_EADV,
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[ESRMNT] = TARGET_ESRMNT,
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[ECOMM] = TARGET_ECOMM,
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[EPROTO] = TARGET_EPROTO,
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[EDOTDOT] = TARGET_EDOTDOT,
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[EMULTIHOP] = TARGET_EMULTIHOP,
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[EBADMSG] = TARGET_EBADMSG,
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[ENAMETOOLONG] = TARGET_ENAMETOOLONG,
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[EOVERFLOW] = TARGET_EOVERFLOW,
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[ENOTUNIQ] = TARGET_ENOTUNIQ,
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[EBADFD] = TARGET_EBADFD,
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[EREMCHG] = TARGET_EREMCHG,
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[ELIBACC] = TARGET_ELIBACC,
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[ELIBBAD] = TARGET_ELIBBAD,
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[ELIBSCN] = TARGET_ELIBSCN,
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[ELIBMAX] = TARGET_ELIBMAX,
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[ELIBEXEC] = TARGET_ELIBEXEC,
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[EILSEQ] = TARGET_EILSEQ,
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[ENOSYS] = TARGET_ENOSYS,
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[ELOOP] = TARGET_ELOOP,
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[ERESTART] = TARGET_ERESTART,
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[ESTRPIPE] = TARGET_ESTRPIPE,
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[ENOTEMPTY] = TARGET_ENOTEMPTY,
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[EUSERS] = TARGET_EUSERS,
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[ENOTSOCK] = TARGET_ENOTSOCK,
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[EDESTADDRREQ] = TARGET_EDESTADDRREQ,
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[EMSGSIZE] = TARGET_EMSGSIZE,
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[EPROTOTYPE] = TARGET_EPROTOTYPE,
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[ENOPROTOOPT] = TARGET_ENOPROTOOPT,
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[EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
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[ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
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[EOPNOTSUPP] = TARGET_EOPNOTSUPP,
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[EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
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[EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
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[EADDRINUSE] = TARGET_EADDRINUSE,
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[EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
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[ENETDOWN] = TARGET_ENETDOWN,
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[ENETUNREACH] = TARGET_ENETUNREACH,
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[ENETRESET] = TARGET_ENETRESET,
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[ECONNABORTED] = TARGET_ECONNABORTED,
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[ECONNRESET] = TARGET_ECONNRESET,
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[ENOBUFS] = TARGET_ENOBUFS,
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[EISCONN] = TARGET_EISCONN,
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[ENOTCONN] = TARGET_ENOTCONN,
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[EUCLEAN] = TARGET_EUCLEAN,
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[ENOTNAM] = TARGET_ENOTNAM,
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[ENAVAIL] = TARGET_ENAVAIL,
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[EISNAM] = TARGET_EISNAM,
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[EREMOTEIO] = TARGET_EREMOTEIO,
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[ESHUTDOWN] = TARGET_ESHUTDOWN,
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[ETOOMANYREFS] = TARGET_ETOOMANYREFS,
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[ETIMEDOUT] = TARGET_ETIMEDOUT,
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[ECONNREFUSED] = TARGET_ECONNREFUSED,
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[EHOSTDOWN] = TARGET_EHOSTDOWN,
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[EHOSTUNREACH] = TARGET_EHOSTUNREACH,
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[EALREADY] = TARGET_EALREADY,
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[EINPROGRESS] = TARGET_EINPROGRESS,
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[ESTALE] = TARGET_ESTALE,
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[ECANCELED] = TARGET_ECANCELED,
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[ENOMEDIUM] = TARGET_ENOMEDIUM,
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[EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
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#ifdef ENOKEY
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[ENOKEY] = TARGET_ENOKEY,
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#endif
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#ifdef EKEYEXPIRED
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[EKEYEXPIRED] = TARGET_EKEYEXPIRED,
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#endif
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#ifdef EKEYREVOKED
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[EKEYREVOKED] = TARGET_EKEYREVOKED,
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#endif
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#ifdef EKEYREJECTED
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[EKEYREJECTED] = TARGET_EKEYREJECTED,
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#endif
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#ifdef EOWNERDEAD
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[EOWNERDEAD] = TARGET_EOWNERDEAD,
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#endif
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#ifdef ENOTRECOVERABLE
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[ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
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#endif
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};
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static inline int host_to_target_errno(int err)
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{
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if(host_to_target_errno_table[err])
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return host_to_target_errno_table[err];
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return err;
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}
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static inline long get_errno(long ret)
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{
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if (ret == -1)
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return -host_to_target_errno(errno);
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else
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return ret;
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}
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static inline int is_error(long ret)
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{
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return (unsigned long)ret >= (unsigned long)(-4096);
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}
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static target_ulong target_brk;
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static target_ulong target_original_brk;
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void target_set_brk(target_ulong new_brk)
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{
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target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
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}
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long do_brk(target_ulong new_brk)
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{
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target_ulong brk_page;
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long mapped_addr;
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int new_alloc_size;
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if (!new_brk)
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return target_brk;
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if (new_brk < target_original_brk)
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return -ENOMEM;
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brk_page = HOST_PAGE_ALIGN(target_brk);
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/* If the new brk is less than this, set it and we're done... */
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if (new_brk < brk_page) {
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target_brk = new_brk;
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return target_brk;
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}
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/* We need to allocate more memory after the brk... */
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new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
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mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
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PROT_READ|PROT_WRITE,
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MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
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if (is_error(mapped_addr)) {
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return mapped_addr;
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} else {
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target_brk = new_brk;
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return target_brk;
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}
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}
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static inline fd_set *target_to_host_fds(fd_set *fds,
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target_long *target_fds, int n)
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{
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#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
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return (fd_set *)target_fds;
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#else
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int i, b;
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if (target_fds) {
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FD_ZERO(fds);
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for(i = 0;i < n; i++) {
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b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
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(i & (TARGET_LONG_BITS - 1))) & 1;
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if (b)
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FD_SET(i, fds);
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}
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return fds;
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} else {
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return NULL;
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}
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#endif
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}
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static inline void host_to_target_fds(target_long *target_fds,
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fd_set *fds, int n)
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{
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#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
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/* nothing to do */
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#else
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int i, nw, j, k;
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target_long v;
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if (target_fds) {
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nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
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k = 0;
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for(i = 0;i < nw; i++) {
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v = 0;
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for(j = 0; j < TARGET_LONG_BITS; j++) {
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v |= ((FD_ISSET(k, fds) != 0) << j);
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k++;
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}
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target_fds[i] = tswapl(v);
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}
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}
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#endif
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}
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#if defined(__alpha__)
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#define HOST_HZ 1024
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#else
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#define HOST_HZ 100
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#endif
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static inline long host_to_target_clock_t(long ticks)
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{
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#if HOST_HZ == TARGET_HZ
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return ticks;
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#else
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return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
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#endif
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}
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static inline void host_to_target_rusage(target_ulong target_addr,
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const struct rusage *rusage)
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{
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struct target_rusage *target_rusage;
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lock_user_struct(target_rusage, target_addr, 0);
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target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
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target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
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target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
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target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
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target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
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target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
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target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
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target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
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target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
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target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
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target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
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target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
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target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
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target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
|
|
target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
|
|
target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
|
|
target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
|
|
target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
|
|
unlock_user_struct(target_rusage, target_addr, 1);
|
|
}
|
|
|
|
static inline void target_to_host_timeval(struct timeval *tv,
|
|
target_ulong target_addr)
|
|
{
|
|
struct target_timeval *target_tv;
|
|
|
|
lock_user_struct(target_tv, target_addr, 1);
|
|
tv->tv_sec = tswapl(target_tv->tv_sec);
|
|
tv->tv_usec = tswapl(target_tv->tv_usec);
|
|
unlock_user_struct(target_tv, target_addr, 0);
|
|
}
|
|
|
|
static inline void host_to_target_timeval(target_ulong target_addr,
|
|
const struct timeval *tv)
|
|
{
|
|
struct target_timeval *target_tv;
|
|
|
|
lock_user_struct(target_tv, target_addr, 0);
|
|
target_tv->tv_sec = tswapl(tv->tv_sec);
|
|
target_tv->tv_usec = tswapl(tv->tv_usec);
|
|
unlock_user_struct(target_tv, target_addr, 1);
|
|
}
|
|
|
|
|
|
static long do_select(long n,
|
|
target_ulong rfd_p, target_ulong wfd_p,
|
|
target_ulong efd_p, target_ulong target_tv)
|
|
{
|
|
fd_set rfds, wfds, efds;
|
|
fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
|
|
target_long *target_rfds, *target_wfds, *target_efds;
|
|
struct timeval tv, *tv_ptr;
|
|
long ret;
|
|
int ok;
|
|
|
|
if (rfd_p) {
|
|
target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
|
|
rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
|
|
} else {
|
|
target_rfds = NULL;
|
|
rfds_ptr = NULL;
|
|
}
|
|
if (wfd_p) {
|
|
target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
|
|
wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
|
|
} else {
|
|
target_wfds = NULL;
|
|
wfds_ptr = NULL;
|
|
}
|
|
if (efd_p) {
|
|
target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
|
|
efds_ptr = target_to_host_fds(&efds, target_efds, n);
|
|
} else {
|
|
target_efds = NULL;
|
|
efds_ptr = NULL;
|
|
}
|
|
|
|
if (target_tv) {
|
|
target_to_host_timeval(&tv, target_tv);
|
|
tv_ptr = &tv;
|
|
} else {
|
|
tv_ptr = NULL;
|
|
}
|
|
ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
|
|
ok = !is_error(ret);
|
|
|
|
if (ok) {
|
|
host_to_target_fds(target_rfds, rfds_ptr, n);
|
|
host_to_target_fds(target_wfds, wfds_ptr, n);
|
|
host_to_target_fds(target_efds, efds_ptr, n);
|
|
|
|
if (target_tv) {
|
|
host_to_target_timeval(target_tv, &tv);
|
|
}
|
|
}
|
|
if (target_rfds)
|
|
unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
|
|
if (target_wfds)
|
|
unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
|
|
if (target_efds)
|
|
unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline void target_to_host_sockaddr(struct sockaddr *addr,
|
|
target_ulong target_addr,
|
|
socklen_t len)
|
|
{
|
|
struct target_sockaddr *target_saddr;
|
|
|
|
target_saddr = lock_user(target_addr, len, 1);
|
|
memcpy(addr, target_saddr, len);
|
|
addr->sa_family = tswap16(target_saddr->sa_family);
|
|
unlock_user(target_saddr, target_addr, 0);
|
|
}
|
|
|
|
static inline void host_to_target_sockaddr(target_ulong target_addr,
|
|
struct sockaddr *addr,
|
|
socklen_t len)
|
|
{
|
|
struct target_sockaddr *target_saddr;
|
|
|
|
target_saddr = lock_user(target_addr, len, 0);
|
|
memcpy(target_saddr, addr, len);
|
|
target_saddr->sa_family = tswap16(addr->sa_family);
|
|
unlock_user(target_saddr, target_addr, len);
|
|
}
|
|
|
|
/* ??? Should this also swap msgh->name? */
|
|
static inline void target_to_host_cmsg(struct msghdr *msgh,
|
|
struct target_msghdr *target_msgh)
|
|
{
|
|
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
|
struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
|
|
socklen_t space = 0;
|
|
|
|
while (cmsg && target_cmsg) {
|
|
void *data = CMSG_DATA(cmsg);
|
|
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
|
|
|
int len = tswapl(target_cmsg->cmsg_len)
|
|
- TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
|
|
|
|
space += CMSG_SPACE(len);
|
|
if (space > msgh->msg_controllen) {
|
|
space -= CMSG_SPACE(len);
|
|
gemu_log("Host cmsg overflow\n");
|
|
break;
|
|
}
|
|
|
|
cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
|
|
cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
|
|
cmsg->cmsg_len = CMSG_LEN(len);
|
|
|
|
if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
|
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
|
memcpy(data, target_data, len);
|
|
} else {
|
|
int *fd = (int *)data;
|
|
int *target_fd = (int *)target_data;
|
|
int i, numfds = len / sizeof(int);
|
|
|
|
for (i = 0; i < numfds; i++)
|
|
fd[i] = tswap32(target_fd[i]);
|
|
}
|
|
|
|
cmsg = CMSG_NXTHDR(msgh, cmsg);
|
|
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
|
|
}
|
|
|
|
msgh->msg_controllen = space;
|
|
}
|
|
|
|
/* ??? Should this also swap msgh->name? */
|
|
static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
|
|
struct msghdr *msgh)
|
|
{
|
|
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
|
struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
|
|
socklen_t space = 0;
|
|
|
|
while (cmsg && target_cmsg) {
|
|
void *data = CMSG_DATA(cmsg);
|
|
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
|
|
|
int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
|
|
|
|
space += TARGET_CMSG_SPACE(len);
|
|
if (space > tswapl(target_msgh->msg_controllen)) {
|
|
space -= TARGET_CMSG_SPACE(len);
|
|
gemu_log("Target cmsg overflow\n");
|
|
break;
|
|
}
|
|
|
|
target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
|
|
target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
|
|
target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
|
|
|
|
if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
|
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
|
memcpy(target_data, data, len);
|
|
} else {
|
|
int *fd = (int *)data;
|
|
int *target_fd = (int *)target_data;
|
|
int i, numfds = len / sizeof(int);
|
|
|
|
for (i = 0; i < numfds; i++)
|
|
target_fd[i] = tswap32(fd[i]);
|
|
}
|
|
|
|
cmsg = CMSG_NXTHDR(msgh, cmsg);
|
|
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
|
|
}
|
|
|
|
msgh->msg_controllen = tswapl(space);
|
|
}
|
|
|
|
static long do_setsockopt(int sockfd, int level, int optname,
|
|
target_ulong optval, socklen_t optlen)
|
|
{
|
|
int val, ret;
|
|
|
|
switch(level) {
|
|
case SOL_TCP:
|
|
/* TCP options all take an 'int' value. */
|
|
if (optlen < sizeof(uint32_t))
|
|
return -EINVAL;
|
|
|
|
val = tget32(optval);
|
|
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
|
break;
|
|
case SOL_IP:
|
|
switch(optname) {
|
|
case IP_TOS:
|
|
case IP_TTL:
|
|
case IP_HDRINCL:
|
|
case IP_ROUTER_ALERT:
|
|
case IP_RECVOPTS:
|
|
case IP_RETOPTS:
|
|
case IP_PKTINFO:
|
|
case IP_MTU_DISCOVER:
|
|
case IP_RECVERR:
|
|
case IP_RECVTOS:
|
|
#ifdef IP_FREEBIND
|
|
case IP_FREEBIND:
|
|
#endif
|
|
case IP_MULTICAST_TTL:
|
|
case IP_MULTICAST_LOOP:
|
|
val = 0;
|
|
if (optlen >= sizeof(uint32_t)) {
|
|
val = tget32(optval);
|
|
} else if (optlen >= 1) {
|
|
val = tget8(optval);
|
|
}
|
|
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
|
break;
|
|
default:
|
|
goto unimplemented;
|
|
}
|
|
break;
|
|
case TARGET_SOL_SOCKET:
|
|
switch (optname) {
|
|
/* Options with 'int' argument. */
|
|
case TARGET_SO_DEBUG:
|
|
optname = SO_DEBUG;
|
|
break;
|
|
case TARGET_SO_REUSEADDR:
|
|
optname = SO_REUSEADDR;
|
|
break;
|
|
case TARGET_SO_TYPE:
|
|
optname = SO_TYPE;
|
|
break;
|
|
case TARGET_SO_ERROR:
|
|
optname = SO_ERROR;
|
|
break;
|
|
case TARGET_SO_DONTROUTE:
|
|
optname = SO_DONTROUTE;
|
|
break;
|
|
case TARGET_SO_BROADCAST:
|
|
optname = SO_BROADCAST;
|
|
break;
|
|
case TARGET_SO_SNDBUF:
|
|
optname = SO_SNDBUF;
|
|
break;
|
|
case TARGET_SO_RCVBUF:
|
|
optname = SO_RCVBUF;
|
|
break;
|
|
case TARGET_SO_KEEPALIVE:
|
|
optname = SO_KEEPALIVE;
|
|
break;
|
|
case TARGET_SO_OOBINLINE:
|
|
optname = SO_OOBINLINE;
|
|
break;
|
|
case TARGET_SO_NO_CHECK:
|
|
optname = SO_NO_CHECK;
|
|
break;
|
|
case TARGET_SO_PRIORITY:
|
|
optname = SO_PRIORITY;
|
|
break;
|
|
#ifdef SO_BSDCOMPAT
|
|
case TARGET_SO_BSDCOMPAT:
|
|
optname = SO_BSDCOMPAT;
|
|
break;
|
|
#endif
|
|
case TARGET_SO_PASSCRED:
|
|
optname = SO_PASSCRED;
|
|
break;
|
|
case TARGET_SO_TIMESTAMP:
|
|
optname = SO_TIMESTAMP;
|
|
break;
|
|
case TARGET_SO_RCVLOWAT:
|
|
optname = SO_RCVLOWAT;
|
|
break;
|
|
case TARGET_SO_RCVTIMEO:
|
|
optname = SO_RCVTIMEO;
|
|
break;
|
|
case TARGET_SO_SNDTIMEO:
|
|
optname = SO_SNDTIMEO;
|
|
break;
|
|
break;
|
|
default:
|
|
goto unimplemented;
|
|
}
|
|
if (optlen < sizeof(uint32_t))
|
|
return -EINVAL;
|
|
|
|
val = tget32(optval);
|
|
ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
|
|
break;
|
|
default:
|
|
unimplemented:
|
|
gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
|
|
ret = -ENOSYS;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static long do_getsockopt(int sockfd, int level, int optname,
|
|
target_ulong optval, target_ulong optlen)
|
|
{
|
|
int len, lv, val, ret;
|
|
|
|
switch(level) {
|
|
case TARGET_SOL_SOCKET:
|
|
level = SOL_SOCKET;
|
|
switch (optname) {
|
|
case TARGET_SO_LINGER:
|
|
case TARGET_SO_RCVTIMEO:
|
|
case TARGET_SO_SNDTIMEO:
|
|
case TARGET_SO_PEERCRED:
|
|
case TARGET_SO_PEERNAME:
|
|
/* These don't just return a single integer */
|
|
goto unimplemented;
|
|
default:
|
|
goto int_case;
|
|
}
|
|
break;
|
|
case SOL_TCP:
|
|
/* TCP options all take an 'int' value. */
|
|
int_case:
|
|
len = tget32(optlen);
|
|
if (len < 0)
|
|
return -EINVAL;
|
|
lv = sizeof(int);
|
|
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
|
|
if (ret < 0)
|
|
return ret;
|
|
val = tswap32(val);
|
|
if (len > lv)
|
|
len = lv;
|
|
if (len == 4)
|
|
tput32(optval, val);
|
|
else
|
|
tput8(optval, val);
|
|
tput32(optlen, len);
|
|
break;
|
|
case SOL_IP:
|
|
switch(optname) {
|
|
case IP_TOS:
|
|
case IP_TTL:
|
|
case IP_HDRINCL:
|
|
case IP_ROUTER_ALERT:
|
|
case IP_RECVOPTS:
|
|
case IP_RETOPTS:
|
|
case IP_PKTINFO:
|
|
case IP_MTU_DISCOVER:
|
|
case IP_RECVERR:
|
|
case IP_RECVTOS:
|
|
#ifdef IP_FREEBIND
|
|
case IP_FREEBIND:
|
|
#endif
|
|
case IP_MULTICAST_TTL:
|
|
case IP_MULTICAST_LOOP:
|
|
len = tget32(optlen);
|
|
if (len < 0)
|
|
return -EINVAL;
|
|
lv = sizeof(int);
|
|
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
|
|
if (ret < 0)
|
|
return ret;
|
|
if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
|
|
len = 1;
|
|
tput32(optlen, len);
|
|
tput8(optval, val);
|
|
} else {
|
|
if (len > sizeof(int))
|
|
len = sizeof(int);
|
|
tput32(optlen, len);
|
|
tput32(optval, val);
|
|
}
|
|
break;
|
|
default:
|
|
goto unimplemented;
|
|
}
|
|
break;
|
|
default:
|
|
unimplemented:
|
|
gemu_log("getsockopt level=%d optname=%d not yet supported\n",
|
|
level, optname);
|
|
ret = -ENOSYS;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void lock_iovec(struct iovec *vec, target_ulong target_addr,
|
|
int count, int copy)
|
|
{
|
|
struct target_iovec *target_vec;
|
|
target_ulong base;
|
|
int i;
|
|
|
|
target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
|
|
for(i = 0;i < count; i++) {
|
|
base = tswapl(target_vec[i].iov_base);
|
|
vec[i].iov_len = tswapl(target_vec[i].iov_len);
|
|
vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
|
|
}
|
|
unlock_user (target_vec, target_addr, 0);
|
|
}
|
|
|
|
static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
|
|
int count, int copy)
|
|
{
|
|
struct target_iovec *target_vec;
|
|
target_ulong base;
|
|
int i;
|
|
|
|
target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
|
|
for(i = 0;i < count; i++) {
|
|
base = tswapl(target_vec[i].iov_base);
|
|
unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
|
|
}
|
|
unlock_user (target_vec, target_addr, 0);
|
|
}
|
|
|
|
static long do_socket(int domain, int type, int protocol)
|
|
{
|
|
#if defined(TARGET_MIPS)
|
|
switch(type) {
|
|
case TARGET_SOCK_DGRAM:
|
|
type = SOCK_DGRAM;
|
|
break;
|
|
case TARGET_SOCK_STREAM:
|
|
type = SOCK_STREAM;
|
|
break;
|
|
case TARGET_SOCK_RAW:
|
|
type = SOCK_RAW;
|
|
break;
|
|
case TARGET_SOCK_RDM:
|
|
type = SOCK_RDM;
|
|
break;
|
|
case TARGET_SOCK_SEQPACKET:
|
|
type = SOCK_SEQPACKET;
|
|
break;
|
|
case TARGET_SOCK_PACKET:
|
|
type = SOCK_PACKET;
|
|
break;
|
|
}
|
|
#endif
|
|
return get_errno(socket(domain, type, protocol));
|
|
}
|
|
|
|
static long do_bind(int sockfd, target_ulong target_addr,
|
|
socklen_t addrlen)
|
|
{
|
|
void *addr = alloca(addrlen);
|
|
|
|
target_to_host_sockaddr(addr, target_addr, addrlen);
|
|
return get_errno(bind(sockfd, addr, addrlen));
|
|
}
|
|
|
|
static long do_connect(int sockfd, target_ulong target_addr,
|
|
socklen_t addrlen)
|
|
{
|
|
void *addr = alloca(addrlen);
|
|
|
|
target_to_host_sockaddr(addr, target_addr, addrlen);
|
|
return get_errno(connect(sockfd, addr, addrlen));
|
|
}
|
|
|
|
static long do_sendrecvmsg(int fd, target_ulong target_msg,
|
|
int flags, int send)
|
|
{
|
|
long ret;
|
|
struct target_msghdr *msgp;
|
|
struct msghdr msg;
|
|
int count;
|
|
struct iovec *vec;
|
|
target_ulong target_vec;
|
|
|
|
lock_user_struct(msgp, target_msg, 1);
|
|
if (msgp->msg_name) {
|
|
msg.msg_namelen = tswap32(msgp->msg_namelen);
|
|
msg.msg_name = alloca(msg.msg_namelen);
|
|
target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
|
|
msg.msg_namelen);
|
|
} else {
|
|
msg.msg_name = NULL;
|
|
msg.msg_namelen = 0;
|
|
}
|
|
msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
|
|
msg.msg_control = alloca(msg.msg_controllen);
|
|
msg.msg_flags = tswap32(msgp->msg_flags);
|
|
|
|
count = tswapl(msgp->msg_iovlen);
|
|
vec = alloca(count * sizeof(struct iovec));
|
|
target_vec = tswapl(msgp->msg_iov);
|
|
lock_iovec(vec, target_vec, count, send);
|
|
msg.msg_iovlen = count;
|
|
msg.msg_iov = vec;
|
|
|
|
if (send) {
|
|
target_to_host_cmsg(&msg, msgp);
|
|
ret = get_errno(sendmsg(fd, &msg, flags));
|
|
} else {
|
|
ret = get_errno(recvmsg(fd, &msg, flags));
|
|
if (!is_error(ret))
|
|
host_to_target_cmsg(msgp, &msg);
|
|
}
|
|
unlock_iovec(vec, target_vec, count, !send);
|
|
return ret;
|
|
}
|
|
|
|
static long do_accept(int fd, target_ulong target_addr,
|
|
target_ulong target_addrlen)
|
|
{
|
|
socklen_t addrlen = tget32(target_addrlen);
|
|
void *addr = alloca(addrlen);
|
|
long ret;
|
|
|
|
ret = get_errno(accept(fd, addr, &addrlen));
|
|
if (!is_error(ret)) {
|
|
host_to_target_sockaddr(target_addr, addr, addrlen);
|
|
tput32(target_addrlen, addrlen);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static long do_getpeername(int fd, target_ulong target_addr,
|
|
target_ulong target_addrlen)
|
|
{
|
|
socklen_t addrlen = tget32(target_addrlen);
|
|
void *addr = alloca(addrlen);
|
|
long ret;
|
|
|
|
ret = get_errno(getpeername(fd, addr, &addrlen));
|
|
if (!is_error(ret)) {
|
|
host_to_target_sockaddr(target_addr, addr, addrlen);
|
|
tput32(target_addrlen, addrlen);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static long do_getsockname(int fd, target_ulong target_addr,
|
|
target_ulong target_addrlen)
|
|
{
|
|
socklen_t addrlen = tget32(target_addrlen);
|
|
void *addr = alloca(addrlen);
|
|
long ret;
|
|
|
|
ret = get_errno(getsockname(fd, addr, &addrlen));
|
|
if (!is_error(ret)) {
|
|
host_to_target_sockaddr(target_addr, addr, addrlen);
|
|
tput32(target_addrlen, addrlen);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static long do_socketpair(int domain, int type, int protocol,
|
|
target_ulong target_tab)
|
|
{
|
|
int tab[2];
|
|
long ret;
|
|
|
|
ret = get_errno(socketpair(domain, type, protocol, tab));
|
|
if (!is_error(ret)) {
|
|
tput32(target_tab, tab[0]);
|
|
tput32(target_tab + 4, tab[1]);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
|
|
target_ulong target_addr, socklen_t addrlen)
|
|
{
|
|
void *addr;
|
|
void *host_msg;
|
|
long ret;
|
|
|
|
host_msg = lock_user(msg, len, 1);
|
|
if (target_addr) {
|
|
addr = alloca(addrlen);
|
|
target_to_host_sockaddr(addr, target_addr, addrlen);
|
|
ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
|
|
} else {
|
|
ret = get_errno(send(fd, host_msg, len, flags));
|
|
}
|
|
unlock_user(host_msg, msg, 0);
|
|
return ret;
|
|
}
|
|
|
|
static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
|
|
target_ulong target_addr, target_ulong target_addrlen)
|
|
{
|
|
socklen_t addrlen;
|
|
void *addr;
|
|
void *host_msg;
|
|
long ret;
|
|
|
|
host_msg = lock_user(msg, len, 0);
|
|
if (target_addr) {
|
|
addrlen = tget32(target_addrlen);
|
|
addr = alloca(addrlen);
|
|
ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
|
|
} else {
|
|
addr = NULL; /* To keep compiler quiet. */
|
|
ret = get_errno(recv(fd, host_msg, len, flags));
|
|
}
|
|
if (!is_error(ret)) {
|
|
if (target_addr) {
|
|
host_to_target_sockaddr(target_addr, addr, addrlen);
|
|
tput32(target_addrlen, addrlen);
|
|
}
|
|
unlock_user(host_msg, msg, len);
|
|
} else {
|
|
unlock_user(host_msg, msg, 0);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static long do_socketcall(int num, target_ulong vptr)
|
|
{
|
|
long ret;
|
|
const int n = sizeof(target_ulong);
|
|
|
|
switch(num) {
|
|
case SOCKOP_socket:
|
|
{
|
|
int domain = tgetl(vptr);
|
|
int type = tgetl(vptr + n);
|
|
int protocol = tgetl(vptr + 2 * n);
|
|
ret = do_socket(domain, type, protocol);
|
|
}
|
|
break;
|
|
case SOCKOP_bind:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
target_ulong target_addr = tgetl(vptr + n);
|
|
socklen_t addrlen = tgetl(vptr + 2 * n);
|
|
ret = do_bind(sockfd, target_addr, addrlen);
|
|
}
|
|
break;
|
|
case SOCKOP_connect:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
target_ulong target_addr = tgetl(vptr + n);
|
|
socklen_t addrlen = tgetl(vptr + 2 * n);
|
|
ret = do_connect(sockfd, target_addr, addrlen);
|
|
}
|
|
break;
|
|
case SOCKOP_listen:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
int backlog = tgetl(vptr + n);
|
|
ret = get_errno(listen(sockfd, backlog));
|
|
}
|
|
break;
|
|
case SOCKOP_accept:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
target_ulong target_addr = tgetl(vptr + n);
|
|
target_ulong target_addrlen = tgetl(vptr + 2 * n);
|
|
ret = do_accept(sockfd, target_addr, target_addrlen);
|
|
}
|
|
break;
|
|
case SOCKOP_getsockname:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
target_ulong target_addr = tgetl(vptr + n);
|
|
target_ulong target_addrlen = tgetl(vptr + 2 * n);
|
|
ret = do_getsockname(sockfd, target_addr, target_addrlen);
|
|
}
|
|
break;
|
|
case SOCKOP_getpeername:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
target_ulong target_addr = tgetl(vptr + n);
|
|
target_ulong target_addrlen = tgetl(vptr + 2 * n);
|
|
ret = do_getpeername(sockfd, target_addr, target_addrlen);
|
|
}
|
|
break;
|
|
case SOCKOP_socketpair:
|
|
{
|
|
int domain = tgetl(vptr);
|
|
int type = tgetl(vptr + n);
|
|
int protocol = tgetl(vptr + 2 * n);
|
|
target_ulong tab = tgetl(vptr + 3 * n);
|
|
ret = do_socketpair(domain, type, protocol, tab);
|
|
}
|
|
break;
|
|
case SOCKOP_send:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
target_ulong msg = tgetl(vptr + n);
|
|
size_t len = tgetl(vptr + 2 * n);
|
|
int flags = tgetl(vptr + 3 * n);
|
|
ret = do_sendto(sockfd, msg, len, flags, 0, 0);
|
|
}
|
|
break;
|
|
case SOCKOP_recv:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
target_ulong msg = tgetl(vptr + n);
|
|
size_t len = tgetl(vptr + 2 * n);
|
|
int flags = tgetl(vptr + 3 * n);
|
|
ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
|
|
}
|
|
break;
|
|
case SOCKOP_sendto:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
target_ulong msg = tgetl(vptr + n);
|
|
size_t len = tgetl(vptr + 2 * n);
|
|
int flags = tgetl(vptr + 3 * n);
|
|
target_ulong addr = tgetl(vptr + 4 * n);
|
|
socklen_t addrlen = tgetl(vptr + 5 * n);
|
|
ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
|
|
}
|
|
break;
|
|
case SOCKOP_recvfrom:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
target_ulong msg = tgetl(vptr + n);
|
|
size_t len = tgetl(vptr + 2 * n);
|
|
int flags = tgetl(vptr + 3 * n);
|
|
target_ulong addr = tgetl(vptr + 4 * n);
|
|
target_ulong addrlen = tgetl(vptr + 5 * n);
|
|
ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
|
|
}
|
|
break;
|
|
case SOCKOP_shutdown:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
int how = tgetl(vptr + n);
|
|
|
|
ret = get_errno(shutdown(sockfd, how));
|
|
}
|
|
break;
|
|
case SOCKOP_sendmsg:
|
|
case SOCKOP_recvmsg:
|
|
{
|
|
int fd;
|
|
target_ulong target_msg;
|
|
int flags;
|
|
|
|
fd = tgetl(vptr);
|
|
target_msg = tgetl(vptr + n);
|
|
flags = tgetl(vptr + 2 * n);
|
|
|
|
ret = do_sendrecvmsg(fd, target_msg, flags,
|
|
(num == SOCKOP_sendmsg));
|
|
}
|
|
break;
|
|
case SOCKOP_setsockopt:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
int level = tgetl(vptr + n);
|
|
int optname = tgetl(vptr + 2 * n);
|
|
target_ulong optval = tgetl(vptr + 3 * n);
|
|
socklen_t optlen = tgetl(vptr + 4 * n);
|
|
|
|
ret = do_setsockopt(sockfd, level, optname, optval, optlen);
|
|
}
|
|
break;
|
|
case SOCKOP_getsockopt:
|
|
{
|
|
int sockfd = tgetl(vptr);
|
|
int level = tgetl(vptr + n);
|
|
int optname = tgetl(vptr + 2 * n);
|
|
target_ulong optval = tgetl(vptr + 3 * n);
|
|
target_ulong poptlen = tgetl(vptr + 4 * n);
|
|
|
|
ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
|
|
}
|
|
break;
|
|
default:
|
|
gemu_log("Unsupported socketcall: %d\n", num);
|
|
ret = -ENOSYS;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#define N_SHM_REGIONS 32
|
|
|
|
static struct shm_region {
|
|
uint32_t start;
|
|
uint32_t size;
|
|
} shm_regions[N_SHM_REGIONS];
|
|
|
|
struct target_ipc_perm
|
|
{
|
|
target_long __key;
|
|
target_ulong uid;
|
|
target_ulong gid;
|
|
target_ulong cuid;
|
|
target_ulong cgid;
|
|
unsigned short int mode;
|
|
unsigned short int __pad1;
|
|
unsigned short int __seq;
|
|
unsigned short int __pad2;
|
|
target_ulong __unused1;
|
|
target_ulong __unused2;
|
|
};
|
|
|
|
struct target_semid_ds
|
|
{
|
|
struct target_ipc_perm sem_perm;
|
|
target_ulong sem_otime;
|
|
target_ulong __unused1;
|
|
target_ulong sem_ctime;
|
|
target_ulong __unused2;
|
|
target_ulong sem_nsems;
|
|
target_ulong __unused3;
|
|
target_ulong __unused4;
|
|
};
|
|
|
|
static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip,
|
|
target_ulong target_addr)
|
|
{
|
|
struct target_ipc_perm *target_ip;
|
|
struct target_semid_ds *target_sd;
|
|
|
|
lock_user_struct(target_sd, target_addr, 1);
|
|
target_ip=&(target_sd->sem_perm);
|
|
host_ip->__key = tswapl(target_ip->__key);
|
|
host_ip->uid = tswapl(target_ip->uid);
|
|
host_ip->gid = tswapl(target_ip->gid);
|
|
host_ip->cuid = tswapl(target_ip->cuid);
|
|
host_ip->cgid = tswapl(target_ip->cgid);
|
|
host_ip->mode = tswapl(target_ip->mode);
|
|
unlock_user_struct(target_sd, target_addr, 0);
|
|
}
|
|
|
|
static inline void host_to_target_ipc_perm(target_ulong target_addr,
|
|
struct ipc_perm *host_ip)
|
|
{
|
|
struct target_ipc_perm *target_ip;
|
|
struct target_semid_ds *target_sd;
|
|
|
|
lock_user_struct(target_sd, target_addr, 0);
|
|
target_ip = &(target_sd->sem_perm);
|
|
target_ip->__key = tswapl(host_ip->__key);
|
|
target_ip->uid = tswapl(host_ip->uid);
|
|
target_ip->gid = tswapl(host_ip->gid);
|
|
target_ip->cuid = tswapl(host_ip->cuid);
|
|
target_ip->cgid = tswapl(host_ip->cgid);
|
|
target_ip->mode = tswapl(host_ip->mode);
|
|
unlock_user_struct(target_sd, target_addr, 1);
|
|
}
|
|
|
|
static inline void target_to_host_semid_ds(struct semid_ds *host_sd,
|
|
target_ulong target_addr)
|
|
{
|
|
struct target_semid_ds *target_sd;
|
|
|
|
lock_user_struct(target_sd, target_addr, 1);
|
|
target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
|
|
host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
|
|
host_sd->sem_otime = tswapl(target_sd->sem_otime);
|
|
host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
|
|
unlock_user_struct(target_sd, target_addr, 0);
|
|
}
|
|
|
|
static inline void host_to_target_semid_ds(target_ulong target_addr,
|
|
struct semid_ds *host_sd)
|
|
{
|
|
struct target_semid_ds *target_sd;
|
|
|
|
lock_user_struct(target_sd, target_addr, 0);
|
|
host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
|
|
target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
|
|
target_sd->sem_otime = tswapl(host_sd->sem_otime);
|
|
target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
|
|
unlock_user_struct(target_sd, target_addr, 1);
|
|
}
|
|
|
|
union semun {
|
|
int val;
|
|
struct semid_ds *buf;
|
|
unsigned short *array;
|
|
};
|
|
|
|
union target_semun {
|
|
int val;
|
|
target_long buf;
|
|
unsigned short int *array;
|
|
};
|
|
|
|
static inline void target_to_host_semun(unsigned long cmd,
|
|
union semun *host_su,
|
|
target_ulong target_addr,
|
|
struct semid_ds *ds)
|
|
{
|
|
union target_semun *target_su;
|
|
|
|
switch( cmd ) {
|
|
case IPC_STAT:
|
|
case IPC_SET:
|
|
lock_user_struct(target_su, target_addr, 1);
|
|
target_to_host_semid_ds(ds,target_su->buf);
|
|
host_su->buf = ds;
|
|
unlock_user_struct(target_su, target_addr, 0);
|
|
break;
|
|
case GETVAL:
|
|
case SETVAL:
|
|
lock_user_struct(target_su, target_addr, 1);
|
|
host_su->val = tswapl(target_su->val);
|
|
unlock_user_struct(target_su, target_addr, 0);
|
|
break;
|
|
case GETALL:
|
|
case SETALL:
|
|
lock_user_struct(target_su, target_addr, 1);
|
|
*host_su->array = tswap16(*target_su->array);
|
|
unlock_user_struct(target_su, target_addr, 0);
|
|
break;
|
|
default:
|
|
gemu_log("semun operation not fully supported: %d\n", (int)cmd);
|
|
}
|
|
}
|
|
|
|
static inline void host_to_target_semun(unsigned long cmd,
|
|
target_ulong target_addr,
|
|
union semun *host_su,
|
|
struct semid_ds *ds)
|
|
{
|
|
union target_semun *target_su;
|
|
|
|
switch( cmd ) {
|
|
case IPC_STAT:
|
|
case IPC_SET:
|
|
lock_user_struct(target_su, target_addr, 0);
|
|
host_to_target_semid_ds(target_su->buf,ds);
|
|
unlock_user_struct(target_su, target_addr, 1);
|
|
break;
|
|
case GETVAL:
|
|
case SETVAL:
|
|
lock_user_struct(target_su, target_addr, 0);
|
|
target_su->val = tswapl(host_su->val);
|
|
unlock_user_struct(target_su, target_addr, 1);
|
|
break;
|
|
case GETALL:
|
|
case SETALL:
|
|
lock_user_struct(target_su, target_addr, 0);
|
|
*target_su->array = tswap16(*host_su->array);
|
|
unlock_user_struct(target_su, target_addr, 1);
|
|
break;
|
|
default:
|
|
gemu_log("semun operation not fully supported: %d\n", (int)cmd);
|
|
}
|
|
}
|
|
|
|
static inline long do_semctl(long first, long second, long third, long ptr)
|
|
{
|
|
union semun arg;
|
|
struct semid_ds dsarg;
|
|
int cmd = third&0xff;
|
|
long ret = 0;
|
|
|
|
switch( cmd ) {
|
|
case GETVAL:
|
|
target_to_host_semun(cmd,&arg,ptr,&dsarg);
|
|
ret = get_errno(semctl(first, second, cmd, arg));
|
|
host_to_target_semun(cmd,ptr,&arg,&dsarg);
|
|
break;
|
|
case SETVAL:
|
|
target_to_host_semun(cmd,&arg,ptr,&dsarg);
|
|
ret = get_errno(semctl(first, second, cmd, arg));
|
|
host_to_target_semun(cmd,ptr,&arg,&dsarg);
|
|
break;
|
|
case GETALL:
|
|
target_to_host_semun(cmd,&arg,ptr,&dsarg);
|
|
ret = get_errno(semctl(first, second, cmd, arg));
|
|
host_to_target_semun(cmd,ptr,&arg,&dsarg);
|
|
break;
|
|
case SETALL:
|
|
target_to_host_semun(cmd,&arg,ptr,&dsarg);
|
|
ret = get_errno(semctl(first, second, cmd, arg));
|
|
host_to_target_semun(cmd,ptr,&arg,&dsarg);
|
|
break;
|
|
case IPC_STAT:
|
|
target_to_host_semun(cmd,&arg,ptr,&dsarg);
|
|
ret = get_errno(semctl(first, second, cmd, arg));
|
|
host_to_target_semun(cmd,ptr,&arg,&dsarg);
|
|
break;
|
|
case IPC_SET:
|
|
target_to_host_semun(cmd,&arg,ptr,&dsarg);
|
|
ret = get_errno(semctl(first, second, cmd, arg));
|
|
host_to_target_semun(cmd,ptr,&arg,&dsarg);
|
|
break;
|
|
default:
|
|
ret = get_errno(semctl(first, second, cmd, arg));
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
struct target_msqid_ds
|
|
{
|
|
struct target_ipc_perm msg_perm;
|
|
target_ulong msg_stime;
|
|
target_ulong __unused1;
|
|
target_ulong msg_rtime;
|
|
target_ulong __unused2;
|
|
target_ulong msg_ctime;
|
|
target_ulong __unused3;
|
|
target_ulong __msg_cbytes;
|
|
target_ulong msg_qnum;
|
|
target_ulong msg_qbytes;
|
|
target_ulong msg_lspid;
|
|
target_ulong msg_lrpid;
|
|
target_ulong __unused4;
|
|
target_ulong __unused5;
|
|
};
|
|
|
|
static inline void target_to_host_msqid_ds(struct msqid_ds *host_md,
|
|
target_ulong target_addr)
|
|
{
|
|
struct target_msqid_ds *target_md;
|
|
|
|
lock_user_struct(target_md, target_addr, 1);
|
|
target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
|
|
host_md->msg_stime = tswapl(target_md->msg_stime);
|
|
host_md->msg_rtime = tswapl(target_md->msg_rtime);
|
|
host_md->msg_ctime = tswapl(target_md->msg_ctime);
|
|
host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
|
|
host_md->msg_qnum = tswapl(target_md->msg_qnum);
|
|
host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
|
|
host_md->msg_lspid = tswapl(target_md->msg_lspid);
|
|
host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
|
|
unlock_user_struct(target_md, target_addr, 0);
|
|
}
|
|
|
|
static inline void host_to_target_msqid_ds(target_ulong target_addr,
|
|
struct msqid_ds *host_md)
|
|
{
|
|
struct target_msqid_ds *target_md;
|
|
|
|
lock_user_struct(target_md, target_addr, 0);
|
|
host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
|
|
target_md->msg_stime = tswapl(host_md->msg_stime);
|
|
target_md->msg_rtime = tswapl(host_md->msg_rtime);
|
|
target_md->msg_ctime = tswapl(host_md->msg_ctime);
|
|
target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
|
|
target_md->msg_qnum = tswapl(host_md->msg_qnum);
|
|
target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
|
|
target_md->msg_lspid = tswapl(host_md->msg_lspid);
|
|
target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
|
|
unlock_user_struct(target_md, target_addr, 1);
|
|
}
|
|
|
|
static inline long do_msgctl(long first, long second, long ptr)
|
|
{
|
|
struct msqid_ds dsarg;
|
|
int cmd = second&0xff;
|
|
long ret = 0;
|
|
switch( cmd ) {
|
|
case IPC_STAT:
|
|
case IPC_SET:
|
|
target_to_host_msqid_ds(&dsarg,ptr);
|
|
ret = get_errno(msgctl(first, cmd, &dsarg));
|
|
host_to_target_msqid_ds(ptr,&dsarg);
|
|
default:
|
|
ret = get_errno(msgctl(first, cmd, &dsarg));
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
struct target_msgbuf {
|
|
target_ulong mtype;
|
|
char mtext[1];
|
|
};
|
|
|
|
static inline long do_msgsnd(long msqid, long msgp, long msgsz, long msgflg)
|
|
{
|
|
struct target_msgbuf *target_mb;
|
|
struct msgbuf *host_mb;
|
|
long ret = 0;
|
|
|
|
lock_user_struct(target_mb,msgp,0);
|
|
host_mb = malloc(msgsz+sizeof(long));
|
|
host_mb->mtype = tswapl(target_mb->mtype);
|
|
memcpy(host_mb->mtext,target_mb->mtext,msgsz);
|
|
ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
|
|
free(host_mb);
|
|
unlock_user_struct(target_mb, msgp, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline long do_msgrcv(long msqid, long msgp, long msgsz, long msgtype, long msgflg)
|
|
{
|
|
struct target_msgbuf *target_mb;
|
|
struct msgbuf *host_mb;
|
|
long ret = 0;
|
|
|
|
lock_user_struct(target_mb, msgp, 0);
|
|
host_mb = malloc(msgsz+sizeof(long));
|
|
ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
|
|
if (ret > 0)
|
|
memcpy(target_mb->mtext, host_mb->mtext, ret);
|
|
target_mb->mtype = tswapl(host_mb->mtype);
|
|
free(host_mb);
|
|
unlock_user_struct(target_mb, msgp, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* ??? This only works with linear mappings. */
|
|
static long do_ipc(long call, long first, long second, long third,
|
|
long ptr, long fifth)
|
|
{
|
|
int version;
|
|
long ret = 0;
|
|
unsigned long raddr;
|
|
struct shmid_ds shm_info;
|
|
int i;
|
|
|
|
version = call >> 16;
|
|
call &= 0xffff;
|
|
|
|
switch (call) {
|
|
case IPCOP_semop:
|
|
ret = get_errno(semop(first,(struct sembuf *) ptr, second));
|
|
break;
|
|
|
|
case IPCOP_semget:
|
|
ret = get_errno(semget(first, second, third));
|
|
break;
|
|
|
|
case IPCOP_semctl:
|
|
ret = do_semctl(first, second, third, ptr);
|
|
break;
|
|
|
|
case IPCOP_semtimedop:
|
|
gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
|
|
ret = -ENOSYS;
|
|
break;
|
|
|
|
case IPCOP_msgget:
|
|
ret = get_errno(msgget(first, second));
|
|
break;
|
|
|
|
case IPCOP_msgsnd:
|
|
ret = do_msgsnd(first, ptr, second, third);
|
|
break;
|
|
|
|
case IPCOP_msgctl:
|
|
ret = do_msgctl(first, second, ptr);
|
|
break;
|
|
|
|
case IPCOP_msgrcv:
|
|
{
|
|
struct ipc_kludge
|
|
{
|
|
void *__unbounded msgp;
|
|
long int msgtyp;
|
|
};
|
|
|
|
struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
|
|
struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
|
|
|
|
ret = do_msgrcv(first, (long)msgp, second, 0, third);
|
|
|
|
}
|
|
break;
|
|
|
|
case IPCOP_shmat:
|
|
/* SHM_* flags are the same on all linux platforms */
|
|
ret = get_errno((long) shmat(first, (void *) ptr, second));
|
|
if (is_error(ret))
|
|
break;
|
|
raddr = ret;
|
|
/* find out the length of the shared memory segment */
|
|
|
|
ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
|
|
if (is_error(ret)) {
|
|
/* can't get length, bail out */
|
|
shmdt((void *) raddr);
|
|
break;
|
|
}
|
|
page_set_flags(raddr, raddr + shm_info.shm_segsz,
|
|
PAGE_VALID | PAGE_READ |
|
|
((second & SHM_RDONLY)? 0: PAGE_WRITE));
|
|
for (i = 0; i < N_SHM_REGIONS; ++i) {
|
|
if (shm_regions[i].start == 0) {
|
|
shm_regions[i].start = raddr;
|
|
shm_regions[i].size = shm_info.shm_segsz;
|
|
break;
|
|
}
|
|
}
|
|
if (put_user(raddr, (uint32_t *)third))
|
|
return -EFAULT;
|
|
ret = 0;
|
|
break;
|
|
case IPCOP_shmdt:
|
|
for (i = 0; i < N_SHM_REGIONS; ++i) {
|
|
if (shm_regions[i].start == ptr) {
|
|
shm_regions[i].start = 0;
|
|
page_set_flags(ptr, shm_regions[i].size, 0);
|
|
break;
|
|
}
|
|
}
|
|
ret = get_errno(shmdt((void *) ptr));
|
|
break;
|
|
|
|
case IPCOP_shmget:
|
|
/* IPC_* flag values are the same on all linux platforms */
|
|
ret = get_errno(shmget(first, second, third));
|
|
break;
|
|
|
|
/* IPC_* and SHM_* command values are the same on all linux platforms */
|
|
case IPCOP_shmctl:
|
|
switch(second) {
|
|
case IPC_RMID:
|
|
case SHM_LOCK:
|
|
case SHM_UNLOCK:
|
|
ret = get_errno(shmctl(first, second, NULL));
|
|
break;
|
|
default:
|
|
goto unimplemented;
|
|
}
|
|
break;
|
|
default:
|
|
unimplemented:
|
|
gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
|
|
ret = -ENOSYS;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* kernel structure types definitions */
|
|
#define IFNAMSIZ 16
|
|
|
|
#define STRUCT(name, list...) STRUCT_ ## name,
|
|
#define STRUCT_SPECIAL(name) STRUCT_ ## name,
|
|
enum {
|
|
#include "syscall_types.h"
|
|
};
|
|
#undef STRUCT
|
|
#undef STRUCT_SPECIAL
|
|
|
|
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
|
|
#define STRUCT_SPECIAL(name)
|
|
#include "syscall_types.h"
|
|
#undef STRUCT
|
|
#undef STRUCT_SPECIAL
|
|
|
|
typedef struct IOCTLEntry {
|
|
unsigned int target_cmd;
|
|
unsigned int host_cmd;
|
|
const char *name;
|
|
int access;
|
|
const argtype arg_type[5];
|
|
} IOCTLEntry;
|
|
|
|
#define IOC_R 0x0001
|
|
#define IOC_W 0x0002
|
|
#define IOC_RW (IOC_R | IOC_W)
|
|
|
|
#define MAX_STRUCT_SIZE 4096
|
|
|
|
IOCTLEntry ioctl_entries[] = {
|
|
#define IOCTL(cmd, access, types...) \
|
|
{ TARGET_ ## cmd, cmd, #cmd, access, { types } },
|
|
#include "ioctls.h"
|
|
{ 0, 0, },
|
|
};
|
|
|
|
/* ??? Implement proper locking for ioctls. */
|
|
static long do_ioctl(long fd, long cmd, long arg)
|
|
{
|
|
const IOCTLEntry *ie;
|
|
const argtype *arg_type;
|
|
long ret;
|
|
uint8_t buf_temp[MAX_STRUCT_SIZE];
|
|
int target_size;
|
|
void *argptr;
|
|
|
|
ie = ioctl_entries;
|
|
for(;;) {
|
|
if (ie->target_cmd == 0) {
|
|
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
|
|
return -ENOSYS;
|
|
}
|
|
if (ie->target_cmd == cmd)
|
|
break;
|
|
ie++;
|
|
}
|
|
arg_type = ie->arg_type;
|
|
#if defined(DEBUG)
|
|
gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
|
|
#endif
|
|
switch(arg_type[0]) {
|
|
case TYPE_NULL:
|
|
/* no argument */
|
|
ret = get_errno(ioctl(fd, ie->host_cmd));
|
|
break;
|
|
case TYPE_PTRVOID:
|
|
case TYPE_INT:
|
|
/* int argment */
|
|
ret = get_errno(ioctl(fd, ie->host_cmd, arg));
|
|
break;
|
|
case TYPE_PTR:
|
|
arg_type++;
|
|
target_size = thunk_type_size(arg_type, 0);
|
|
switch(ie->access) {
|
|
case IOC_R:
|
|
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
|
|
if (!is_error(ret)) {
|
|
argptr = lock_user(arg, target_size, 0);
|
|
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
|
|
unlock_user(argptr, arg, target_size);
|
|
}
|
|
break;
|
|
case IOC_W:
|
|
argptr = lock_user(arg, target_size, 1);
|
|
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
|
|
unlock_user(argptr, arg, 0);
|
|
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
|
|
break;
|
|
default:
|
|
case IOC_RW:
|
|
argptr = lock_user(arg, target_size, 1);
|
|
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
|
|
unlock_user(argptr, arg, 0);
|
|
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
|
|
if (!is_error(ret)) {
|
|
argptr = lock_user(arg, target_size, 0);
|
|
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
|
|
unlock_user(argptr, arg, target_size);
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
|
|
ret = -ENOSYS;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
bitmask_transtbl iflag_tbl[] = {
|
|
{ TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
|
|
{ TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
|
|
{ TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
|
|
{ TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
|
|
{ TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
|
|
{ TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
|
|
{ TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
|
|
{ TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
|
|
{ TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
|
|
{ TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
|
|
{ TARGET_IXON, TARGET_IXON, IXON, IXON },
|
|
{ TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
|
|
{ TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
|
|
{ TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
bitmask_transtbl oflag_tbl[] = {
|
|
{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
|
|
{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
|
|
{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
|
|
{ TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
|
|
{ TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
|
|
{ TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
|
|
{ TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
|
|
{ TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
|
|
{ TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
|
|
{ TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
|
|
{ TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
|
|
{ TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
|
|
{ TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
|
|
{ TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
|
|
{ TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
|
|
{ TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
|
|
{ TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
|
|
{ TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
|
|
{ TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
|
|
{ TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
|
|
{ TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
|
|
{ TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
|
|
{ TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
|
|
{ TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
bitmask_transtbl cflag_tbl[] = {
|
|
{ TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
|
|
{ TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
|
|
{ TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
|
|
{ TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
|
|
{ TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
|
|
{ TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
|
|
{ TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
|
|
{ TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
|
|
{ TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
|
|
{ TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
|
|
{ TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
|
|
{ TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
|
|
{ TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
|
|
{ TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
|
|
{ TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
|
|
{ TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
|
|
{ TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
|
|
{ TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
|
|
{ TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
|
|
{ TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
|
|
{ TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
|
|
{ TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
|
|
{ TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
|
|
{ TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
|
|
{ TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
|
|
{ TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
|
|
{ TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
|
|
{ TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
|
|
{ TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
|
|
{ TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
|
|
{ TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
bitmask_transtbl lflag_tbl[] = {
|
|
{ TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
|
|
{ TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
|
|
{ TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
|
|
{ TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
|
|
{ TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
|
|
{ TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
|
|
{ TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
|
|
{ TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
|
|
{ TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
|
|
{ TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
|
|
{ TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
|
|
{ TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
|
|
{ TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
|
|
{ TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
|
|
{ TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
static void target_to_host_termios (void *dst, const void *src)
|
|
{
|
|
struct host_termios *host = dst;
|
|
const struct target_termios *target = src;
|
|
|
|
host->c_iflag =
|
|
target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
|
|
host->c_oflag =
|
|
target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
|
|
host->c_cflag =
|
|
target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
|
|
host->c_lflag =
|
|
target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
|
|
host->c_line = target->c_line;
|
|
|
|
host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
|
|
host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
|
|
host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
|
|
host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
|
|
host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
|
|
host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
|
|
host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
|
|
host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
|
|
host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
|
|
host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
|
|
host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
|
|
host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
|
|
host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
|
|
host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
|
|
host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
|
|
host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
|
|
host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
|
|
}
|
|
|
|
static void host_to_target_termios (void *dst, const void *src)
|
|
{
|
|
struct target_termios *target = dst;
|
|
const struct host_termios *host = src;
|
|
|
|
target->c_iflag =
|
|
tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
|
|
target->c_oflag =
|
|
tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
|
|
target->c_cflag =
|
|
tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
|
|
target->c_lflag =
|
|
tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
|
|
target->c_line = host->c_line;
|
|
|
|
target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
|
|
target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
|
|
target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
|
|
target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
|
|
target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
|
|
target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
|
|
target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
|
|
target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
|
|
target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
|
|
target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
|
|
target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
|
|
target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
|
|
target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
|
|
target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
|
|
target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
|
|
target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
|
|
target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
|
|
}
|
|
|
|
StructEntry struct_termios_def = {
|
|
.convert = { host_to_target_termios, target_to_host_termios },
|
|
.size = { sizeof(struct target_termios), sizeof(struct host_termios) },
|
|
.align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
|
|
};
|
|
|
|
static bitmask_transtbl mmap_flags_tbl[] = {
|
|
{ TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
|
|
{ TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
|
|
{ TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
|
|
{ TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
|
|
{ TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
|
|
{ TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
|
|
{ TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
|
|
{ TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
static bitmask_transtbl fcntl_flags_tbl[] = {
|
|
{ TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
|
|
{ TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
|
|
{ TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
|
|
{ TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
|
|
{ TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
|
|
{ TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
|
|
{ TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
|
|
{ TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
|
|
{ TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
|
|
{ TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
|
|
{ TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
|
|
{ TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
|
|
{ TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
|
|
#if defined(O_DIRECT)
|
|
{ TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
|
|
#endif
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
#if defined(TARGET_I386)
|
|
|
|
/* NOTE: there is really one LDT for all the threads */
|
|
uint8_t *ldt_table;
|
|
|
|
static int read_ldt(target_ulong ptr, unsigned long bytecount)
|
|
{
|
|
int size;
|
|
void *p;
|
|
|
|
if (!ldt_table)
|
|
return 0;
|
|
size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
|
|
if (size > bytecount)
|
|
size = bytecount;
|
|
p = lock_user(ptr, size, 0);
|
|
/* ??? Shoudl this by byteswapped? */
|
|
memcpy(p, ldt_table, size);
|
|
unlock_user(p, ptr, size);
|
|
return size;
|
|
}
|
|
|
|
/* XXX: add locking support */
|
|
static int write_ldt(CPUX86State *env,
|
|
target_ulong ptr, unsigned long bytecount, int oldmode)
|
|
{
|
|
struct target_modify_ldt_ldt_s ldt_info;
|
|
struct target_modify_ldt_ldt_s *target_ldt_info;
|
|
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
|
int seg_not_present, useable;
|
|
uint32_t *lp, entry_1, entry_2;
|
|
|
|
if (bytecount != sizeof(ldt_info))
|
|
return -EINVAL;
|
|
lock_user_struct(target_ldt_info, ptr, 1);
|
|
ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
|
|
ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
|
|
ldt_info.limit = tswap32(target_ldt_info->limit);
|
|
ldt_info.flags = tswap32(target_ldt_info->flags);
|
|
unlock_user_struct(target_ldt_info, ptr, 0);
|
|
|
|
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
|
|
return -EINVAL;
|
|
seg_32bit = ldt_info.flags & 1;
|
|
contents = (ldt_info.flags >> 1) & 3;
|
|
read_exec_only = (ldt_info.flags >> 3) & 1;
|
|
limit_in_pages = (ldt_info.flags >> 4) & 1;
|
|
seg_not_present = (ldt_info.flags >> 5) & 1;
|
|
useable = (ldt_info.flags >> 6) & 1;
|
|
|
|
if (contents == 3) {
|
|
if (oldmode)
|
|
return -EINVAL;
|
|
if (seg_not_present == 0)
|
|
return -EINVAL;
|
|
}
|
|
/* allocate the LDT */
|
|
if (!ldt_table) {
|
|
ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
|
|
if (!ldt_table)
|
|
return -ENOMEM;
|
|
memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
|
|
env->ldt.base = h2g(ldt_table);
|
|
env->ldt.limit = 0xffff;
|
|
}
|
|
|
|
/* NOTE: same code as Linux kernel */
|
|
/* Allow LDTs to be cleared by the user. */
|
|
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
|
|
if (oldmode ||
|
|
(contents == 0 &&
|
|
read_exec_only == 1 &&
|
|
seg_32bit == 0 &&
|
|
limit_in_pages == 0 &&
|
|
seg_not_present == 1 &&
|
|
useable == 0 )) {
|
|
entry_1 = 0;
|
|
entry_2 = 0;
|
|
goto install;
|
|
}
|
|
}
|
|
|
|
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
|
|
(ldt_info.limit & 0x0ffff);
|
|
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
|
((ldt_info.base_addr & 0x00ff0000) >> 16) |
|
|
(ldt_info.limit & 0xf0000) |
|
|
((read_exec_only ^ 1) << 9) |
|
|
(contents << 10) |
|
|
((seg_not_present ^ 1) << 15) |
|
|
(seg_32bit << 22) |
|
|
(limit_in_pages << 23) |
|
|
0x7000;
|
|
if (!oldmode)
|
|
entry_2 |= (useable << 20);
|
|
|
|
/* Install the new entry ... */
|
|
install:
|
|
lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
|
|
lp[0] = tswap32(entry_1);
|
|
lp[1] = tswap32(entry_2);
|
|
return 0;
|
|
}
|
|
|
|
/* specific and weird i386 syscalls */
|
|
int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
|
|
{
|
|
int ret = -ENOSYS;
|
|
|
|
switch (func) {
|
|
case 0:
|
|
ret = read_ldt(ptr, bytecount);
|
|
break;
|
|
case 1:
|
|
ret = write_ldt(env, ptr, bytecount, 1);
|
|
break;
|
|
case 0x11:
|
|
ret = write_ldt(env, ptr, bytecount, 0);
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#endif /* defined(TARGET_I386) */
|
|
|
|
/* this stack is the equivalent of the kernel stack associated with a
|
|
thread/process */
|
|
#define NEW_STACK_SIZE 8192
|
|
|
|
static int clone_func(void *arg)
|
|
{
|
|
CPUState *env = arg;
|
|
cpu_loop(env);
|
|
/* never exits */
|
|
return 0;
|
|
}
|
|
|
|
int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
|
|
{
|
|
int ret;
|
|
TaskState *ts;
|
|
uint8_t *new_stack;
|
|
CPUState *new_env;
|
|
|
|
if (flags & CLONE_VM) {
|
|
ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
|
|
memset(ts, 0, sizeof(TaskState));
|
|
new_stack = ts->stack;
|
|
ts->used = 1;
|
|
/* add in task state list */
|
|
ts->next = first_task_state;
|
|
first_task_state = ts;
|
|
/* we create a new CPU instance. */
|
|
new_env = cpu_copy(env);
|
|
#if defined(TARGET_I386)
|
|
if (!newsp)
|
|
newsp = env->regs[R_ESP];
|
|
new_env->regs[R_ESP] = newsp;
|
|
new_env->regs[R_EAX] = 0;
|
|
#elif defined(TARGET_ARM)
|
|
if (!newsp)
|
|
newsp = env->regs[13];
|
|
new_env->regs[13] = newsp;
|
|
new_env->regs[0] = 0;
|
|
#elif defined(TARGET_SPARC)
|
|
if (!newsp)
|
|
newsp = env->regwptr[22];
|
|
new_env->regwptr[22] = newsp;
|
|
new_env->regwptr[0] = 0;
|
|
/* XXXXX */
|
|
printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
|
|
#elif defined(TARGET_M68K)
|
|
if (!newsp)
|
|
newsp = env->aregs[7];
|
|
new_env->aregs[7] = newsp;
|
|
new_env->dregs[0] = 0;
|
|
/* ??? is this sufficient? */
|
|
#elif defined(TARGET_MIPS)
|
|
if (!newsp)
|
|
newsp = env->gpr[29][env->current_tc];
|
|
new_env->gpr[29][env->current_tc] = newsp;
|
|
#elif defined(TARGET_PPC)
|
|
if (!newsp)
|
|
newsp = env->gpr[1];
|
|
new_env->gpr[1] = newsp;
|
|
{
|
|
int i;
|
|
for (i = 7; i < 32; i++)
|
|
new_env->gpr[i] = 0;
|
|
}
|
|
#elif defined(TARGET_SH4)
|
|
if (!newsp)
|
|
newsp = env->gregs[15];
|
|
new_env->gregs[15] = newsp;
|
|
/* XXXXX */
|
|
#elif defined(TARGET_ALPHA)
|
|
if (!newsp)
|
|
newsp = env->ir[30];
|
|
new_env->ir[30] = newsp;
|
|
/* ? */
|
|
{
|
|
int i;
|
|
for (i = 7; i < 30; i++)
|
|
new_env->ir[i] = 0;
|
|
}
|
|
#else
|
|
#error unsupported target CPU
|
|
#endif
|
|
new_env->opaque = ts;
|
|
#ifdef __ia64__
|
|
ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
|
|
#else
|
|
ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
|
|
#endif
|
|
} else {
|
|
/* if no CLONE_VM, we consider it is a fork */
|
|
if ((flags & ~CSIGNAL) != 0)
|
|
return -EINVAL;
|
|
ret = fork();
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static long do_fcntl(int fd, int cmd, target_ulong arg)
|
|
{
|
|
struct flock fl;
|
|
struct target_flock *target_fl;
|
|
struct flock64 fl64;
|
|
struct target_flock64 *target_fl64;
|
|
long ret;
|
|
|
|
switch(cmd) {
|
|
case TARGET_F_GETLK:
|
|
lock_user_struct(target_fl, arg, 1);
|
|
fl.l_type = tswap16(target_fl->l_type);
|
|
fl.l_whence = tswap16(target_fl->l_whence);
|
|
fl.l_start = tswapl(target_fl->l_start);
|
|
fl.l_len = tswapl(target_fl->l_len);
|
|
fl.l_pid = tswapl(target_fl->l_pid);
|
|
unlock_user_struct(target_fl, arg, 0);
|
|
ret = fcntl(fd, cmd, &fl);
|
|
if (ret == 0) {
|
|
lock_user_struct(target_fl, arg, 0);
|
|
target_fl->l_type = tswap16(fl.l_type);
|
|
target_fl->l_whence = tswap16(fl.l_whence);
|
|
target_fl->l_start = tswapl(fl.l_start);
|
|
target_fl->l_len = tswapl(fl.l_len);
|
|
target_fl->l_pid = tswapl(fl.l_pid);
|
|
unlock_user_struct(target_fl, arg, 1);
|
|
}
|
|
break;
|
|
|
|
case TARGET_F_SETLK:
|
|
case TARGET_F_SETLKW:
|
|
lock_user_struct(target_fl, arg, 1);
|
|
fl.l_type = tswap16(target_fl->l_type);
|
|
fl.l_whence = tswap16(target_fl->l_whence);
|
|
fl.l_start = tswapl(target_fl->l_start);
|
|
fl.l_len = tswapl(target_fl->l_len);
|
|
fl.l_pid = tswapl(target_fl->l_pid);
|
|
unlock_user_struct(target_fl, arg, 0);
|
|
ret = fcntl(fd, cmd, &fl);
|
|
break;
|
|
|
|
case TARGET_F_GETLK64:
|
|
lock_user_struct(target_fl64, arg, 1);
|
|
fl64.l_type = tswap16(target_fl64->l_type) >> 1;
|
|
fl64.l_whence = tswap16(target_fl64->l_whence);
|
|
fl64.l_start = tswapl(target_fl64->l_start);
|
|
fl64.l_len = tswapl(target_fl64->l_len);
|
|
fl64.l_pid = tswap16(target_fl64->l_pid);
|
|
unlock_user_struct(target_fl64, arg, 0);
|
|
ret = fcntl(fd, cmd >> 1, &fl64);
|
|
if (ret == 0) {
|
|
lock_user_struct(target_fl64, arg, 0);
|
|
target_fl64->l_type = tswap16(fl64.l_type) >> 1;
|
|
target_fl64->l_whence = tswap16(fl64.l_whence);
|
|
target_fl64->l_start = tswapl(fl64.l_start);
|
|
target_fl64->l_len = tswapl(fl64.l_len);
|
|
target_fl64->l_pid = tswapl(fl64.l_pid);
|
|
unlock_user_struct(target_fl64, arg, 1);
|
|
}
|
|
break;
|
|
case TARGET_F_SETLK64:
|
|
case TARGET_F_SETLKW64:
|
|
lock_user_struct(target_fl64, arg, 1);
|
|
fl64.l_type = tswap16(target_fl64->l_type) >> 1;
|
|
fl64.l_whence = tswap16(target_fl64->l_whence);
|
|
fl64.l_start = tswapl(target_fl64->l_start);
|
|
fl64.l_len = tswapl(target_fl64->l_len);
|
|
fl64.l_pid = tswap16(target_fl64->l_pid);
|
|
unlock_user_struct(target_fl64, arg, 0);
|
|
ret = fcntl(fd, cmd >> 1, &fl64);
|
|
break;
|
|
|
|
case F_GETFL:
|
|
ret = fcntl(fd, cmd, arg);
|
|
ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
|
|
break;
|
|
|
|
case F_SETFL:
|
|
ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
|
|
break;
|
|
|
|
default:
|
|
ret = fcntl(fd, cmd, arg);
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#ifdef USE_UID16
|
|
|
|
static inline int high2lowuid(int uid)
|
|
{
|
|
if (uid > 65535)
|
|
return 65534;
|
|
else
|
|
return uid;
|
|
}
|
|
|
|
static inline int high2lowgid(int gid)
|
|
{
|
|
if (gid > 65535)
|
|
return 65534;
|
|
else
|
|
return gid;
|
|
}
|
|
|
|
static inline int low2highuid(int uid)
|
|
{
|
|
if ((int16_t)uid == -1)
|
|
return -1;
|
|
else
|
|
return uid;
|
|
}
|
|
|
|
static inline int low2highgid(int gid)
|
|
{
|
|
if ((int16_t)gid == -1)
|
|
return -1;
|
|
else
|
|
return gid;
|
|
}
|
|
|
|
#endif /* USE_UID16 */
|
|
|
|
void syscall_init(void)
|
|
{
|
|
IOCTLEntry *ie;
|
|
const argtype *arg_type;
|
|
int size;
|
|
|
|
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
|
|
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
|
|
#include "syscall_types.h"
|
|
#undef STRUCT
|
|
#undef STRUCT_SPECIAL
|
|
|
|
/* we patch the ioctl size if necessary. We rely on the fact that
|
|
no ioctl has all the bits at '1' in the size field */
|
|
ie = ioctl_entries;
|
|
while (ie->target_cmd != 0) {
|
|
if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
|
|
TARGET_IOC_SIZEMASK) {
|
|
arg_type = ie->arg_type;
|
|
if (arg_type[0] != TYPE_PTR) {
|
|
fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
|
|
ie->target_cmd);
|
|
exit(1);
|
|
}
|
|
arg_type++;
|
|
size = thunk_type_size(arg_type, 0);
|
|
ie->target_cmd = (ie->target_cmd &
|
|
~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
|
|
(size << TARGET_IOC_SIZESHIFT);
|
|
}
|
|
/* automatic consistency check if same arch */
|
|
#if defined(__i386__) && defined(TARGET_I386)
|
|
if (ie->target_cmd != ie->host_cmd) {
|
|
fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
|
|
ie->target_cmd, ie->host_cmd);
|
|
}
|
|
#endif
|
|
ie++;
|
|
}
|
|
}
|
|
|
|
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
|
|
{
|
|
#ifdef TARGET_WORDS_BIG_ENDIAN
|
|
return ((uint64_t)word0 << 32) | word1;
|
|
#else
|
|
return ((uint64_t)word1 << 32) | word0;
|
|
#endif
|
|
}
|
|
|
|
#ifdef TARGET_NR_truncate64
|
|
static inline long target_truncate64(void *cpu_env, const char *arg1,
|
|
long arg2, long arg3, long arg4)
|
|
{
|
|
#ifdef TARGET_ARM
|
|
if (((CPUARMState *)cpu_env)->eabi)
|
|
{
|
|
arg2 = arg3;
|
|
arg3 = arg4;
|
|
}
|
|
#endif
|
|
return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
|
|
}
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_ftruncate64
|
|
static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
|
|
long arg3, long arg4)
|
|
{
|
|
#ifdef TARGET_ARM
|
|
if (((CPUARMState *)cpu_env)->eabi)
|
|
{
|
|
arg2 = arg3;
|
|
arg3 = arg4;
|
|
}
|
|
#endif
|
|
return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
|
|
}
|
|
#endif
|
|
|
|
static inline void target_to_host_timespec(struct timespec *host_ts,
|
|
target_ulong target_addr)
|
|
{
|
|
struct target_timespec *target_ts;
|
|
|
|
lock_user_struct(target_ts, target_addr, 1);
|
|
host_ts->tv_sec = tswapl(target_ts->tv_sec);
|
|
host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
|
|
unlock_user_struct(target_ts, target_addr, 0);
|
|
}
|
|
|
|
static inline void host_to_target_timespec(target_ulong target_addr,
|
|
struct timespec *host_ts)
|
|
{
|
|
struct target_timespec *target_ts;
|
|
|
|
lock_user_struct(target_ts, target_addr, 0);
|
|
target_ts->tv_sec = tswapl(host_ts->tv_sec);
|
|
target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
|
|
unlock_user_struct(target_ts, target_addr, 1);
|
|
}
|
|
|
|
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
|
|
long arg4, long arg5, long arg6)
|
|
{
|
|
long ret;
|
|
struct stat st;
|
|
struct statfs stfs;
|
|
void *p;
|
|
|
|
#ifdef DEBUG
|
|
gemu_log("syscall %d", num);
|
|
#endif
|
|
switch(num) {
|
|
case TARGET_NR_exit:
|
|
#ifdef HAVE_GPROF
|
|
_mcleanup();
|
|
#endif
|
|
gdb_exit(cpu_env, arg1);
|
|
/* XXX: should free thread stack and CPU env */
|
|
_exit(arg1);
|
|
ret = 0; /* avoid warning */
|
|
break;
|
|
case TARGET_NR_read:
|
|
page_unprotect_range(arg2, arg3);
|
|
p = lock_user(arg2, arg3, 0);
|
|
ret = get_errno(read(arg1, p, arg3));
|
|
unlock_user(p, arg2, ret);
|
|
break;
|
|
case TARGET_NR_write:
|
|
p = lock_user(arg2, arg3, 1);
|
|
ret = get_errno(write(arg1, p, arg3));
|
|
unlock_user(p, arg2, 0);
|
|
break;
|
|
case TARGET_NR_open:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(open(path(p),
|
|
target_to_host_bitmask(arg2, fcntl_flags_tbl),
|
|
arg3));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
case TARGET_NR_close:
|
|
ret = get_errno(close(arg1));
|
|
break;
|
|
case TARGET_NR_brk:
|
|
ret = do_brk(arg1);
|
|
break;
|
|
case TARGET_NR_fork:
|
|
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
|
|
break;
|
|
#ifdef TARGET_NR_waitpid
|
|
case TARGET_NR_waitpid:
|
|
{
|
|
int status;
|
|
ret = get_errno(waitpid(arg1, &status, arg3));
|
|
if (!is_error(ret) && arg2)
|
|
tput32(arg2, status);
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_creat /* not on alpha */
|
|
case TARGET_NR_creat:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(creat(p, arg2));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#endif
|
|
case TARGET_NR_link:
|
|
{
|
|
void * p2;
|
|
p = lock_user_string(arg1);
|
|
p2 = lock_user_string(arg2);
|
|
ret = get_errno(link(p, p2));
|
|
unlock_user(p2, arg2, 0);
|
|
unlock_user(p, arg1, 0);
|
|
}
|
|
break;
|
|
case TARGET_NR_unlink:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(unlink(p));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
case TARGET_NR_execve:
|
|
{
|
|
char **argp, **envp;
|
|
int argc, envc;
|
|
target_ulong gp;
|
|
target_ulong guest_argp;
|
|
target_ulong guest_envp;
|
|
target_ulong addr;
|
|
char **q;
|
|
|
|
argc = 0;
|
|
guest_argp = arg2;
|
|
for (gp = guest_argp; tgetl(gp); gp++)
|
|
argc++;
|
|
envc = 0;
|
|
guest_envp = arg3;
|
|
for (gp = guest_envp; tgetl(gp); gp++)
|
|
envc++;
|
|
|
|
argp = alloca((argc + 1) * sizeof(void *));
|
|
envp = alloca((envc + 1) * sizeof(void *));
|
|
|
|
for (gp = guest_argp, q = argp; ;
|
|
gp += sizeof(target_ulong), q++) {
|
|
addr = tgetl(gp);
|
|
if (!addr)
|
|
break;
|
|
*q = lock_user_string(addr);
|
|
}
|
|
*q = NULL;
|
|
|
|
for (gp = guest_envp, q = envp; ;
|
|
gp += sizeof(target_ulong), q++) {
|
|
addr = tgetl(gp);
|
|
if (!addr)
|
|
break;
|
|
*q = lock_user_string(addr);
|
|
}
|
|
*q = NULL;
|
|
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(execve(p, argp, envp));
|
|
unlock_user(p, arg1, 0);
|
|
|
|
for (gp = guest_argp, q = argp; *q;
|
|
gp += sizeof(target_ulong), q++) {
|
|
addr = tgetl(gp);
|
|
unlock_user(*q, addr, 0);
|
|
}
|
|
for (gp = guest_envp, q = envp; *q;
|
|
gp += sizeof(target_ulong), q++) {
|
|
addr = tgetl(gp);
|
|
unlock_user(*q, addr, 0);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_chdir:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(chdir(p));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#ifdef TARGET_NR_time
|
|
case TARGET_NR_time:
|
|
{
|
|
time_t host_time;
|
|
ret = get_errno(time(&host_time));
|
|
if (!is_error(ret) && arg1)
|
|
tputl(arg1, host_time);
|
|
}
|
|
break;
|
|
#endif
|
|
case TARGET_NR_mknod:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(mknod(p, arg2, arg3));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
case TARGET_NR_chmod:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(chmod(p, arg2));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#ifdef TARGET_NR_break
|
|
case TARGET_NR_break:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_oldstat
|
|
case TARGET_NR_oldstat:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_lseek:
|
|
ret = get_errno(lseek(arg1, arg2, arg3));
|
|
break;
|
|
#ifdef TARGET_NR_getxpid
|
|
case TARGET_NR_getxpid:
|
|
#else
|
|
case TARGET_NR_getpid:
|
|
#endif
|
|
ret = get_errno(getpid());
|
|
break;
|
|
case TARGET_NR_mount:
|
|
{
|
|
/* need to look at the data field */
|
|
void *p2, *p3;
|
|
p = lock_user_string(arg1);
|
|
p2 = lock_user_string(arg2);
|
|
p3 = lock_user_string(arg3);
|
|
ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
|
|
unlock_user(p, arg1, 0);
|
|
unlock_user(p2, arg2, 0);
|
|
unlock_user(p3, arg3, 0);
|
|
break;
|
|
}
|
|
#ifdef TARGET_NR_umount
|
|
case TARGET_NR_umount:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(umount(p));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_stime /* not on alpha */
|
|
case TARGET_NR_stime:
|
|
{
|
|
time_t host_time;
|
|
host_time = tgetl(arg1);
|
|
ret = get_errno(stime(&host_time));
|
|
}
|
|
break;
|
|
#endif
|
|
case TARGET_NR_ptrace:
|
|
goto unimplemented;
|
|
#ifdef TARGET_NR_alarm /* not on alpha */
|
|
case TARGET_NR_alarm:
|
|
ret = alarm(arg1);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_oldfstat
|
|
case TARGET_NR_oldfstat:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_pause /* not on alpha */
|
|
case TARGET_NR_pause:
|
|
ret = get_errno(pause());
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_utime
|
|
case TARGET_NR_utime:
|
|
{
|
|
struct utimbuf tbuf, *host_tbuf;
|
|
struct target_utimbuf *target_tbuf;
|
|
if (arg2) {
|
|
lock_user_struct(target_tbuf, arg2, 1);
|
|
tbuf.actime = tswapl(target_tbuf->actime);
|
|
tbuf.modtime = tswapl(target_tbuf->modtime);
|
|
unlock_user_struct(target_tbuf, arg2, 0);
|
|
host_tbuf = &tbuf;
|
|
} else {
|
|
host_tbuf = NULL;
|
|
}
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(utime(p, host_tbuf));
|
|
unlock_user(p, arg1, 0);
|
|
}
|
|
break;
|
|
#endif
|
|
case TARGET_NR_utimes:
|
|
{
|
|
struct timeval *tvp, tv[2];
|
|
if (arg2) {
|
|
target_to_host_timeval(&tv[0], arg2);
|
|
target_to_host_timeval(&tv[1],
|
|
arg2 + sizeof (struct target_timeval));
|
|
tvp = tv;
|
|
} else {
|
|
tvp = NULL;
|
|
}
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(utimes(p, tvp));
|
|
unlock_user(p, arg1, 0);
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_stty
|
|
case TARGET_NR_stty:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_gtty
|
|
case TARGET_NR_gtty:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_access:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(access(p, arg2));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#ifdef TARGET_NR_nice /* not on alpha */
|
|
case TARGET_NR_nice:
|
|
ret = get_errno(nice(arg1));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_ftime
|
|
case TARGET_NR_ftime:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_sync:
|
|
sync();
|
|
ret = 0;
|
|
break;
|
|
case TARGET_NR_kill:
|
|
ret = get_errno(kill(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_rename:
|
|
{
|
|
void *p2;
|
|
p = lock_user_string(arg1);
|
|
p2 = lock_user_string(arg2);
|
|
ret = get_errno(rename(p, p2));
|
|
unlock_user(p2, arg2, 0);
|
|
unlock_user(p, arg1, 0);
|
|
}
|
|
break;
|
|
case TARGET_NR_mkdir:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(mkdir(p, arg2));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
case TARGET_NR_rmdir:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(rmdir(p));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
case TARGET_NR_dup:
|
|
ret = get_errno(dup(arg1));
|
|
break;
|
|
case TARGET_NR_pipe:
|
|
{
|
|
int host_pipe[2];
|
|
ret = get_errno(pipe(host_pipe));
|
|
if (!is_error(ret)) {
|
|
#if defined(TARGET_MIPS)
|
|
CPUMIPSState *env = (CPUMIPSState*)cpu_env;
|
|
env->gpr[3][env->current_tc] = host_pipe[1];
|
|
ret = host_pipe[0];
|
|
#else
|
|
tput32(arg1, host_pipe[0]);
|
|
tput32(arg1 + 4, host_pipe[1]);
|
|
#endif
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_times:
|
|
{
|
|
struct target_tms *tmsp;
|
|
struct tms tms;
|
|
ret = get_errno(times(&tms));
|
|
if (arg1) {
|
|
tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
|
|
tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
|
|
tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
|
|
tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
|
|
tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
|
|
}
|
|
if (!is_error(ret))
|
|
ret = host_to_target_clock_t(ret);
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_prof
|
|
case TARGET_NR_prof:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_signal
|
|
case TARGET_NR_signal:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_acct:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(acct(path(p)));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#ifdef TARGET_NR_umount2 /* not on alpha */
|
|
case TARGET_NR_umount2:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(umount2(p, arg2));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_lock
|
|
case TARGET_NR_lock:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_ioctl:
|
|
ret = do_ioctl(arg1, arg2, arg3);
|
|
break;
|
|
case TARGET_NR_fcntl:
|
|
ret = get_errno(do_fcntl(arg1, arg2, arg3));
|
|
break;
|
|
#ifdef TARGET_NR_mpx
|
|
case TARGET_NR_mpx:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_setpgid:
|
|
ret = get_errno(setpgid(arg1, arg2));
|
|
break;
|
|
#ifdef TARGET_NR_ulimit
|
|
case TARGET_NR_ulimit:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_oldolduname
|
|
case TARGET_NR_oldolduname:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_umask:
|
|
ret = get_errno(umask(arg1));
|
|
break;
|
|
case TARGET_NR_chroot:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(chroot(p));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
case TARGET_NR_ustat:
|
|
goto unimplemented;
|
|
case TARGET_NR_dup2:
|
|
ret = get_errno(dup2(arg1, arg2));
|
|
break;
|
|
#ifdef TARGET_NR_getppid /* not on alpha */
|
|
case TARGET_NR_getppid:
|
|
ret = get_errno(getppid());
|
|
break;
|
|
#endif
|
|
case TARGET_NR_getpgrp:
|
|
ret = get_errno(getpgrp());
|
|
break;
|
|
case TARGET_NR_setsid:
|
|
ret = get_errno(setsid());
|
|
break;
|
|
#ifdef TARGET_NR_sigaction
|
|
case TARGET_NR_sigaction:
|
|
{
|
|
#if !defined(TARGET_MIPS)
|
|
struct target_old_sigaction *old_act;
|
|
struct target_sigaction act, oact, *pact;
|
|
if (arg2) {
|
|
lock_user_struct(old_act, arg2, 1);
|
|
act._sa_handler = old_act->_sa_handler;
|
|
target_siginitset(&act.sa_mask, old_act->sa_mask);
|
|
act.sa_flags = old_act->sa_flags;
|
|
act.sa_restorer = old_act->sa_restorer;
|
|
unlock_user_struct(old_act, arg2, 0);
|
|
pact = &act;
|
|
} else {
|
|
pact = NULL;
|
|
}
|
|
ret = get_errno(do_sigaction(arg1, pact, &oact));
|
|
if (!is_error(ret) && arg3) {
|
|
lock_user_struct(old_act, arg3, 0);
|
|
old_act->_sa_handler = oact._sa_handler;
|
|
old_act->sa_mask = oact.sa_mask.sig[0];
|
|
old_act->sa_flags = oact.sa_flags;
|
|
old_act->sa_restorer = oact.sa_restorer;
|
|
unlock_user_struct(old_act, arg3, 1);
|
|
}
|
|
#else
|
|
struct target_sigaction act, oact, *pact, *old_act;
|
|
|
|
if (arg2) {
|
|
lock_user_struct(old_act, arg2, 1);
|
|
act._sa_handler = old_act->_sa_handler;
|
|
target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
|
|
act.sa_flags = old_act->sa_flags;
|
|
unlock_user_struct(old_act, arg2, 0);
|
|
pact = &act;
|
|
} else {
|
|
pact = NULL;
|
|
}
|
|
|
|
ret = get_errno(do_sigaction(arg1, pact, &oact));
|
|
|
|
if (!is_error(ret) && arg3) {
|
|
lock_user_struct(old_act, arg3, 0);
|
|
old_act->_sa_handler = oact._sa_handler;
|
|
old_act->sa_flags = oact.sa_flags;
|
|
old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
|
|
old_act->sa_mask.sig[1] = 0;
|
|
old_act->sa_mask.sig[2] = 0;
|
|
old_act->sa_mask.sig[3] = 0;
|
|
unlock_user_struct(old_act, arg3, 1);
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
#endif
|
|
case TARGET_NR_rt_sigaction:
|
|
{
|
|
struct target_sigaction *act;
|
|
struct target_sigaction *oact;
|
|
|
|
if (arg2)
|
|
lock_user_struct(act, arg2, 1);
|
|
else
|
|
act = NULL;
|
|
if (arg3)
|
|
lock_user_struct(oact, arg3, 0);
|
|
else
|
|
oact = NULL;
|
|
ret = get_errno(do_sigaction(arg1, act, oact));
|
|
if (arg2)
|
|
unlock_user_struct(act, arg2, 0);
|
|
if (arg3)
|
|
unlock_user_struct(oact, arg3, 1);
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_sgetmask /* not on alpha */
|
|
case TARGET_NR_sgetmask:
|
|
{
|
|
sigset_t cur_set;
|
|
target_ulong target_set;
|
|
sigprocmask(0, NULL, &cur_set);
|
|
host_to_target_old_sigset(&target_set, &cur_set);
|
|
ret = target_set;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_ssetmask /* not on alpha */
|
|
case TARGET_NR_ssetmask:
|
|
{
|
|
sigset_t set, oset, cur_set;
|
|
target_ulong target_set = arg1;
|
|
sigprocmask(0, NULL, &cur_set);
|
|
target_to_host_old_sigset(&set, &target_set);
|
|
sigorset(&set, &set, &cur_set);
|
|
sigprocmask(SIG_SETMASK, &set, &oset);
|
|
host_to_target_old_sigset(&target_set, &oset);
|
|
ret = target_set;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_sigprocmask
|
|
case TARGET_NR_sigprocmask:
|
|
{
|
|
int how = arg1;
|
|
sigset_t set, oldset, *set_ptr;
|
|
|
|
if (arg2) {
|
|
switch(how) {
|
|
case TARGET_SIG_BLOCK:
|
|
how = SIG_BLOCK;
|
|
break;
|
|
case TARGET_SIG_UNBLOCK:
|
|
how = SIG_UNBLOCK;
|
|
break;
|
|
case TARGET_SIG_SETMASK:
|
|
how = SIG_SETMASK;
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
goto fail;
|
|
}
|
|
p = lock_user(arg2, sizeof(target_sigset_t), 1);
|
|
target_to_host_old_sigset(&set, p);
|
|
unlock_user(p, arg2, 0);
|
|
set_ptr = &set;
|
|
} else {
|
|
how = 0;
|
|
set_ptr = NULL;
|
|
}
|
|
ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
|
|
if (!is_error(ret) && arg3) {
|
|
p = lock_user(arg3, sizeof(target_sigset_t), 0);
|
|
host_to_target_old_sigset(p, &oldset);
|
|
unlock_user(p, arg3, sizeof(target_sigset_t));
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
case TARGET_NR_rt_sigprocmask:
|
|
{
|
|
int how = arg1;
|
|
sigset_t set, oldset, *set_ptr;
|
|
|
|
if (arg2) {
|
|
switch(how) {
|
|
case TARGET_SIG_BLOCK:
|
|
how = SIG_BLOCK;
|
|
break;
|
|
case TARGET_SIG_UNBLOCK:
|
|
how = SIG_UNBLOCK;
|
|
break;
|
|
case TARGET_SIG_SETMASK:
|
|
how = SIG_SETMASK;
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
goto fail;
|
|
}
|
|
p = lock_user(arg2, sizeof(target_sigset_t), 1);
|
|
target_to_host_sigset(&set, p);
|
|
unlock_user(p, arg2, 0);
|
|
set_ptr = &set;
|
|
} else {
|
|
how = 0;
|
|
set_ptr = NULL;
|
|
}
|
|
ret = get_errno(sigprocmask(how, set_ptr, &oldset));
|
|
if (!is_error(ret) && arg3) {
|
|
p = lock_user(arg3, sizeof(target_sigset_t), 0);
|
|
host_to_target_sigset(p, &oldset);
|
|
unlock_user(p, arg3, sizeof(target_sigset_t));
|
|
}
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_sigpending
|
|
case TARGET_NR_sigpending:
|
|
{
|
|
sigset_t set;
|
|
ret = get_errno(sigpending(&set));
|
|
if (!is_error(ret)) {
|
|
p = lock_user(arg1, sizeof(target_sigset_t), 0);
|
|
host_to_target_old_sigset(p, &set);
|
|
unlock_user(p, arg1, sizeof(target_sigset_t));
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
case TARGET_NR_rt_sigpending:
|
|
{
|
|
sigset_t set;
|
|
ret = get_errno(sigpending(&set));
|
|
if (!is_error(ret)) {
|
|
p = lock_user(arg1, sizeof(target_sigset_t), 0);
|
|
host_to_target_sigset(p, &set);
|
|
unlock_user(p, arg1, sizeof(target_sigset_t));
|
|
}
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_sigsuspend
|
|
case TARGET_NR_sigsuspend:
|
|
{
|
|
sigset_t set;
|
|
p = lock_user(arg1, sizeof(target_sigset_t), 1);
|
|
target_to_host_old_sigset(&set, p);
|
|
unlock_user(p, arg1, 0);
|
|
ret = get_errno(sigsuspend(&set));
|
|
}
|
|
break;
|
|
#endif
|
|
case TARGET_NR_rt_sigsuspend:
|
|
{
|
|
sigset_t set;
|
|
p = lock_user(arg1, sizeof(target_sigset_t), 1);
|
|
target_to_host_sigset(&set, p);
|
|
unlock_user(p, arg1, 0);
|
|
ret = get_errno(sigsuspend(&set));
|
|
}
|
|
break;
|
|
case TARGET_NR_rt_sigtimedwait:
|
|
{
|
|
sigset_t set;
|
|
struct timespec uts, *puts;
|
|
siginfo_t uinfo;
|
|
|
|
p = lock_user(arg1, sizeof(target_sigset_t), 1);
|
|
target_to_host_sigset(&set, p);
|
|
unlock_user(p, arg1, 0);
|
|
if (arg3) {
|
|
puts = &uts;
|
|
target_to_host_timespec(puts, arg3);
|
|
} else {
|
|
puts = NULL;
|
|
}
|
|
ret = get_errno(sigtimedwait(&set, &uinfo, puts));
|
|
if (!is_error(ret) && arg2) {
|
|
p = lock_user(arg2, sizeof(target_sigset_t), 0);
|
|
host_to_target_siginfo(p, &uinfo);
|
|
unlock_user(p, arg2, sizeof(target_sigset_t));
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_rt_sigqueueinfo:
|
|
{
|
|
siginfo_t uinfo;
|
|
p = lock_user(arg3, sizeof(target_sigset_t), 1);
|
|
target_to_host_siginfo(&uinfo, p);
|
|
unlock_user(p, arg1, 0);
|
|
ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_sigreturn
|
|
case TARGET_NR_sigreturn:
|
|
/* NOTE: ret is eax, so not transcoding must be done */
|
|
ret = do_sigreturn(cpu_env);
|
|
break;
|
|
#endif
|
|
case TARGET_NR_rt_sigreturn:
|
|
/* NOTE: ret is eax, so not transcoding must be done */
|
|
ret = do_rt_sigreturn(cpu_env);
|
|
break;
|
|
case TARGET_NR_sethostname:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(sethostname(p, arg2));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
case TARGET_NR_setrlimit:
|
|
{
|
|
/* XXX: convert resource ? */
|
|
int resource = arg1;
|
|
struct target_rlimit *target_rlim;
|
|
struct rlimit rlim;
|
|
lock_user_struct(target_rlim, arg2, 1);
|
|
rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
|
|
rlim.rlim_max = tswapl(target_rlim->rlim_max);
|
|
unlock_user_struct(target_rlim, arg2, 0);
|
|
ret = get_errno(setrlimit(resource, &rlim));
|
|
}
|
|
break;
|
|
case TARGET_NR_getrlimit:
|
|
{
|
|
/* XXX: convert resource ? */
|
|
int resource = arg1;
|
|
struct target_rlimit *target_rlim;
|
|
struct rlimit rlim;
|
|
|
|
ret = get_errno(getrlimit(resource, &rlim));
|
|
if (!is_error(ret)) {
|
|
lock_user_struct(target_rlim, arg2, 0);
|
|
rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
|
|
rlim.rlim_max = tswapl(target_rlim->rlim_max);
|
|
unlock_user_struct(target_rlim, arg2, 1);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_getrusage:
|
|
{
|
|
struct rusage rusage;
|
|
ret = get_errno(getrusage(arg1, &rusage));
|
|
if (!is_error(ret)) {
|
|
host_to_target_rusage(arg2, &rusage);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_gettimeofday:
|
|
{
|
|
struct timeval tv;
|
|
ret = get_errno(gettimeofday(&tv, NULL));
|
|
if (!is_error(ret)) {
|
|
host_to_target_timeval(arg1, &tv);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_settimeofday:
|
|
{
|
|
struct timeval tv;
|
|
target_to_host_timeval(&tv, arg1);
|
|
ret = get_errno(settimeofday(&tv, NULL));
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_select
|
|
case TARGET_NR_select:
|
|
{
|
|
struct target_sel_arg_struct *sel;
|
|
target_ulong inp, outp, exp, tvp;
|
|
long nsel;
|
|
|
|
lock_user_struct(sel, arg1, 1);
|
|
nsel = tswapl(sel->n);
|
|
inp = tswapl(sel->inp);
|
|
outp = tswapl(sel->outp);
|
|
exp = tswapl(sel->exp);
|
|
tvp = tswapl(sel->tvp);
|
|
unlock_user_struct(sel, arg1, 0);
|
|
ret = do_select(nsel, inp, outp, exp, tvp);
|
|
}
|
|
break;
|
|
#endif
|
|
case TARGET_NR_symlink:
|
|
{
|
|
void *p2;
|
|
p = lock_user_string(arg1);
|
|
p2 = lock_user_string(arg2);
|
|
ret = get_errno(symlink(p, p2));
|
|
unlock_user(p2, arg2, 0);
|
|
unlock_user(p, arg1, 0);
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_oldlstat
|
|
case TARGET_NR_oldlstat:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_readlink:
|
|
{
|
|
void *p2;
|
|
p = lock_user_string(arg1);
|
|
p2 = lock_user(arg2, arg3, 0);
|
|
ret = get_errno(readlink(path(p), p2, arg3));
|
|
unlock_user(p2, arg2, ret);
|
|
unlock_user(p, arg1, 0);
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_uselib
|
|
case TARGET_NR_uselib:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_swapon
|
|
case TARGET_NR_swapon:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(swapon(p, arg2));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#endif
|
|
case TARGET_NR_reboot:
|
|
goto unimplemented;
|
|
#ifdef TARGET_NR_readdir
|
|
case TARGET_NR_readdir:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_mmap
|
|
case TARGET_NR_mmap:
|
|
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
|
|
{
|
|
target_ulong *v;
|
|
target_ulong v1, v2, v3, v4, v5, v6;
|
|
v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
|
|
v1 = tswapl(v[0]);
|
|
v2 = tswapl(v[1]);
|
|
v3 = tswapl(v[2]);
|
|
v4 = tswapl(v[3]);
|
|
v5 = tswapl(v[4]);
|
|
v6 = tswapl(v[5]);
|
|
unlock_user(v, arg1, 0);
|
|
ret = get_errno(target_mmap(v1, v2, v3,
|
|
target_to_host_bitmask(v4, mmap_flags_tbl),
|
|
v5, v6));
|
|
}
|
|
#else
|
|
ret = get_errno(target_mmap(arg1, arg2, arg3,
|
|
target_to_host_bitmask(arg4, mmap_flags_tbl),
|
|
arg5,
|
|
arg6));
|
|
#endif
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_mmap2
|
|
case TARGET_NR_mmap2:
|
|
#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
|
|
#define MMAP_SHIFT 12
|
|
#else
|
|
#define MMAP_SHIFT TARGET_PAGE_BITS
|
|
#endif
|
|
ret = get_errno(target_mmap(arg1, arg2, arg3,
|
|
target_to_host_bitmask(arg4, mmap_flags_tbl),
|
|
arg5,
|
|
arg6 << MMAP_SHIFT));
|
|
break;
|
|
#endif
|
|
case TARGET_NR_munmap:
|
|
ret = get_errno(target_munmap(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_mprotect:
|
|
ret = get_errno(target_mprotect(arg1, arg2, arg3));
|
|
break;
|
|
#ifdef TARGET_NR_mremap
|
|
case TARGET_NR_mremap:
|
|
ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
|
|
break;
|
|
#endif
|
|
/* ??? msync/mlock/munlock are broken for softmmu. */
|
|
#ifdef TARGET_NR_msync
|
|
case TARGET_NR_msync:
|
|
ret = get_errno(msync(g2h(arg1), arg2, arg3));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_mlock
|
|
case TARGET_NR_mlock:
|
|
ret = get_errno(mlock(g2h(arg1), arg2));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_munlock
|
|
case TARGET_NR_munlock:
|
|
ret = get_errno(munlock(g2h(arg1), arg2));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_mlockall
|
|
case TARGET_NR_mlockall:
|
|
ret = get_errno(mlockall(arg1));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_munlockall
|
|
case TARGET_NR_munlockall:
|
|
ret = get_errno(munlockall());
|
|
break;
|
|
#endif
|
|
case TARGET_NR_truncate:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(truncate(p, arg2));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
case TARGET_NR_ftruncate:
|
|
ret = get_errno(ftruncate(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_fchmod:
|
|
ret = get_errno(fchmod(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_getpriority:
|
|
ret = get_errno(getpriority(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_setpriority:
|
|
ret = get_errno(setpriority(arg1, arg2, arg3));
|
|
break;
|
|
#ifdef TARGET_NR_profil
|
|
case TARGET_NR_profil:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_statfs:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(statfs(path(p), &stfs));
|
|
unlock_user(p, arg1, 0);
|
|
convert_statfs:
|
|
if (!is_error(ret)) {
|
|
struct target_statfs *target_stfs;
|
|
|
|
lock_user_struct(target_stfs, arg2, 0);
|
|
/* ??? put_user is probably wrong. */
|
|
put_user(stfs.f_type, &target_stfs->f_type);
|
|
put_user(stfs.f_bsize, &target_stfs->f_bsize);
|
|
put_user(stfs.f_blocks, &target_stfs->f_blocks);
|
|
put_user(stfs.f_bfree, &target_stfs->f_bfree);
|
|
put_user(stfs.f_bavail, &target_stfs->f_bavail);
|
|
put_user(stfs.f_files, &target_stfs->f_files);
|
|
put_user(stfs.f_ffree, &target_stfs->f_ffree);
|
|
put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
|
|
put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
|
|
put_user(stfs.f_namelen, &target_stfs->f_namelen);
|
|
unlock_user_struct(target_stfs, arg2, 1);
|
|
}
|
|
break;
|
|
case TARGET_NR_fstatfs:
|
|
ret = get_errno(fstatfs(arg1, &stfs));
|
|
goto convert_statfs;
|
|
#ifdef TARGET_NR_statfs64
|
|
case TARGET_NR_statfs64:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(statfs(path(p), &stfs));
|
|
unlock_user(p, arg1, 0);
|
|
convert_statfs64:
|
|
if (!is_error(ret)) {
|
|
struct target_statfs64 *target_stfs;
|
|
|
|
lock_user_struct(target_stfs, arg3, 0);
|
|
/* ??? put_user is probably wrong. */
|
|
put_user(stfs.f_type, &target_stfs->f_type);
|
|
put_user(stfs.f_bsize, &target_stfs->f_bsize);
|
|
put_user(stfs.f_blocks, &target_stfs->f_blocks);
|
|
put_user(stfs.f_bfree, &target_stfs->f_bfree);
|
|
put_user(stfs.f_bavail, &target_stfs->f_bavail);
|
|
put_user(stfs.f_files, &target_stfs->f_files);
|
|
put_user(stfs.f_ffree, &target_stfs->f_ffree);
|
|
put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
|
|
put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
|
|
put_user(stfs.f_namelen, &target_stfs->f_namelen);
|
|
unlock_user_struct(target_stfs, arg3, 0);
|
|
}
|
|
break;
|
|
case TARGET_NR_fstatfs64:
|
|
ret = get_errno(fstatfs(arg1, &stfs));
|
|
goto convert_statfs64;
|
|
#endif
|
|
#ifdef TARGET_NR_ioperm
|
|
case TARGET_NR_ioperm:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_socketcall
|
|
case TARGET_NR_socketcall:
|
|
ret = do_socketcall(arg1, arg2);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_accept
|
|
case TARGET_NR_accept:
|
|
ret = do_accept(arg1, arg2, arg3);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_bind
|
|
case TARGET_NR_bind:
|
|
ret = do_bind(arg1, arg2, arg3);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_connect
|
|
case TARGET_NR_connect:
|
|
ret = do_connect(arg1, arg2, arg3);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getpeername
|
|
case TARGET_NR_getpeername:
|
|
ret = do_getpeername(arg1, arg2, arg3);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getsockname
|
|
case TARGET_NR_getsockname:
|
|
ret = do_getsockname(arg1, arg2, arg3);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getsockopt
|
|
case TARGET_NR_getsockopt:
|
|
ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_listen
|
|
case TARGET_NR_listen:
|
|
ret = get_errno(listen(arg1, arg2));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_recv
|
|
case TARGET_NR_recv:
|
|
ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_recvfrom
|
|
case TARGET_NR_recvfrom:
|
|
ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_recvmsg
|
|
case TARGET_NR_recvmsg:
|
|
ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_send
|
|
case TARGET_NR_send:
|
|
ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_sendmsg
|
|
case TARGET_NR_sendmsg:
|
|
ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_sendto
|
|
case TARGET_NR_sendto:
|
|
ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_shutdown
|
|
case TARGET_NR_shutdown:
|
|
ret = get_errno(shutdown(arg1, arg2));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_socket
|
|
case TARGET_NR_socket:
|
|
ret = do_socket(arg1, arg2, arg3);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_socketpair
|
|
case TARGET_NR_socketpair:
|
|
ret = do_socketpair(arg1, arg2, arg3, arg4);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_setsockopt
|
|
case TARGET_NR_setsockopt:
|
|
ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
|
|
break;
|
|
#endif
|
|
|
|
case TARGET_NR_syslog:
|
|
p = lock_user_string(arg2);
|
|
ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
|
|
unlock_user(p, arg2, 0);
|
|
break;
|
|
|
|
case TARGET_NR_setitimer:
|
|
{
|
|
struct itimerval value, ovalue, *pvalue;
|
|
|
|
if (arg2) {
|
|
pvalue = &value;
|
|
target_to_host_timeval(&pvalue->it_interval,
|
|
arg2);
|
|
target_to_host_timeval(&pvalue->it_value,
|
|
arg2 + sizeof(struct target_timeval));
|
|
} else {
|
|
pvalue = NULL;
|
|
}
|
|
ret = get_errno(setitimer(arg1, pvalue, &ovalue));
|
|
if (!is_error(ret) && arg3) {
|
|
host_to_target_timeval(arg3,
|
|
&ovalue.it_interval);
|
|
host_to_target_timeval(arg3 + sizeof(struct target_timeval),
|
|
&ovalue.it_value);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_getitimer:
|
|
{
|
|
struct itimerval value;
|
|
|
|
ret = get_errno(getitimer(arg1, &value));
|
|
if (!is_error(ret) && arg2) {
|
|
host_to_target_timeval(arg2,
|
|
&value.it_interval);
|
|
host_to_target_timeval(arg2 + sizeof(struct target_timeval),
|
|
&value.it_value);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_stat:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(stat(path(p), &st));
|
|
unlock_user(p, arg1, 0);
|
|
goto do_stat;
|
|
case TARGET_NR_lstat:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(lstat(path(p), &st));
|
|
unlock_user(p, arg1, 0);
|
|
goto do_stat;
|
|
case TARGET_NR_fstat:
|
|
{
|
|
ret = get_errno(fstat(arg1, &st));
|
|
do_stat:
|
|
if (!is_error(ret)) {
|
|
struct target_stat *target_st;
|
|
|
|
lock_user_struct(target_st, arg2, 0);
|
|
#if defined(TARGET_MIPS) || defined(TARGET_SPARC64)
|
|
target_st->st_dev = tswap32(st.st_dev);
|
|
#else
|
|
target_st->st_dev = tswap16(st.st_dev);
|
|
#endif
|
|
target_st->st_ino = tswapl(st.st_ino);
|
|
#if defined(TARGET_PPC) || defined(TARGET_MIPS)
|
|
target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
|
|
target_st->st_uid = tswap32(st.st_uid);
|
|
target_st->st_gid = tswap32(st.st_gid);
|
|
#elif defined(TARGET_SPARC64)
|
|
target_st->st_mode = tswap32(st.st_mode);
|
|
target_st->st_uid = tswap32(st.st_uid);
|
|
target_st->st_gid = tswap32(st.st_gid);
|
|
#else
|
|
target_st->st_mode = tswap16(st.st_mode);
|
|
target_st->st_uid = tswap16(st.st_uid);
|
|
target_st->st_gid = tswap16(st.st_gid);
|
|
#endif
|
|
#if defined(TARGET_MIPS)
|
|
/* If this is the same on PPC, then just merge w/ the above ifdef */
|
|
target_st->st_nlink = tswapl(st.st_nlink);
|
|
target_st->st_rdev = tswapl(st.st_rdev);
|
|
#elif defined(TARGET_SPARC64)
|
|
target_st->st_nlink = tswap32(st.st_nlink);
|
|
target_st->st_rdev = tswap32(st.st_rdev);
|
|
#else
|
|
target_st->st_nlink = tswap16(st.st_nlink);
|
|
target_st->st_rdev = tswap16(st.st_rdev);
|
|
#endif
|
|
target_st->st_size = tswapl(st.st_size);
|
|
target_st->st_blksize = tswapl(st.st_blksize);
|
|
target_st->st_blocks = tswapl(st.st_blocks);
|
|
target_st->target_st_atime = tswapl(st.st_atime);
|
|
target_st->target_st_mtime = tswapl(st.st_mtime);
|
|
target_st->target_st_ctime = tswapl(st.st_ctime);
|
|
unlock_user_struct(target_st, arg2, 1);
|
|
}
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_olduname
|
|
case TARGET_NR_olduname:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_iopl
|
|
case TARGET_NR_iopl:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_vhangup:
|
|
ret = get_errno(vhangup());
|
|
break;
|
|
#ifdef TARGET_NR_idle
|
|
case TARGET_NR_idle:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_syscall
|
|
case TARGET_NR_syscall:
|
|
ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
|
|
break;
|
|
#endif
|
|
case TARGET_NR_wait4:
|
|
{
|
|
int status;
|
|
target_long status_ptr = arg2;
|
|
struct rusage rusage, *rusage_ptr;
|
|
target_ulong target_rusage = arg4;
|
|
if (target_rusage)
|
|
rusage_ptr = &rusage;
|
|
else
|
|
rusage_ptr = NULL;
|
|
ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
|
|
if (!is_error(ret)) {
|
|
if (status_ptr)
|
|
tputl(status_ptr, status);
|
|
if (target_rusage) {
|
|
host_to_target_rusage(target_rusage, &rusage);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_swapoff
|
|
case TARGET_NR_swapoff:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(swapoff(p));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#endif
|
|
case TARGET_NR_sysinfo:
|
|
{
|
|
struct target_sysinfo *target_value;
|
|
struct sysinfo value;
|
|
ret = get_errno(sysinfo(&value));
|
|
if (!is_error(ret) && arg1)
|
|
{
|
|
/* ??? __put_user is probably wrong. */
|
|
lock_user_struct(target_value, arg1, 0);
|
|
__put_user(value.uptime, &target_value->uptime);
|
|
__put_user(value.loads[0], &target_value->loads[0]);
|
|
__put_user(value.loads[1], &target_value->loads[1]);
|
|
__put_user(value.loads[2], &target_value->loads[2]);
|
|
__put_user(value.totalram, &target_value->totalram);
|
|
__put_user(value.freeram, &target_value->freeram);
|
|
__put_user(value.sharedram, &target_value->sharedram);
|
|
__put_user(value.bufferram, &target_value->bufferram);
|
|
__put_user(value.totalswap, &target_value->totalswap);
|
|
__put_user(value.freeswap, &target_value->freeswap);
|
|
__put_user(value.procs, &target_value->procs);
|
|
__put_user(value.totalhigh, &target_value->totalhigh);
|
|
__put_user(value.freehigh, &target_value->freehigh);
|
|
__put_user(value.mem_unit, &target_value->mem_unit);
|
|
unlock_user_struct(target_value, arg1, 1);
|
|
}
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_ipc
|
|
case TARGET_NR_ipc:
|
|
ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
|
|
break;
|
|
#endif
|
|
case TARGET_NR_fsync:
|
|
ret = get_errno(fsync(arg1));
|
|
break;
|
|
case TARGET_NR_clone:
|
|
ret = get_errno(do_fork(cpu_env, arg1, arg2));
|
|
break;
|
|
#ifdef __NR_exit_group
|
|
/* new thread calls */
|
|
case TARGET_NR_exit_group:
|
|
gdb_exit(cpu_env, arg1);
|
|
ret = get_errno(exit_group(arg1));
|
|
break;
|
|
#endif
|
|
case TARGET_NR_setdomainname:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(setdomainname(p, arg2));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
case TARGET_NR_uname:
|
|
/* no need to transcode because we use the linux syscall */
|
|
{
|
|
struct new_utsname * buf;
|
|
|
|
lock_user_struct(buf, arg1, 0);
|
|
ret = get_errno(sys_uname(buf));
|
|
if (!is_error(ret)) {
|
|
/* Overrite the native machine name with whatever is being
|
|
emulated. */
|
|
strcpy (buf->machine, UNAME_MACHINE);
|
|
/* Allow the user to override the reported release. */
|
|
if (qemu_uname_release && *qemu_uname_release)
|
|
strcpy (buf->release, qemu_uname_release);
|
|
}
|
|
unlock_user_struct(buf, arg1, 1);
|
|
}
|
|
break;
|
|
#ifdef TARGET_I386
|
|
case TARGET_NR_modify_ldt:
|
|
ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
|
|
break;
|
|
#if !defined(TARGET_X86_64)
|
|
case TARGET_NR_vm86old:
|
|
goto unimplemented;
|
|
case TARGET_NR_vm86:
|
|
ret = do_vm86(cpu_env, arg1, arg2);
|
|
break;
|
|
#endif
|
|
#endif
|
|
case TARGET_NR_adjtimex:
|
|
goto unimplemented;
|
|
#ifdef TARGET_NR_create_module
|
|
case TARGET_NR_create_module:
|
|
#endif
|
|
case TARGET_NR_init_module:
|
|
case TARGET_NR_delete_module:
|
|
#ifdef TARGET_NR_get_kernel_syms
|
|
case TARGET_NR_get_kernel_syms:
|
|
#endif
|
|
goto unimplemented;
|
|
case TARGET_NR_quotactl:
|
|
goto unimplemented;
|
|
case TARGET_NR_getpgid:
|
|
ret = get_errno(getpgid(arg1));
|
|
break;
|
|
case TARGET_NR_fchdir:
|
|
ret = get_errno(fchdir(arg1));
|
|
break;
|
|
#ifdef TARGET_NR_bdflush /* not on x86_64 */
|
|
case TARGET_NR_bdflush:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_sysfs
|
|
case TARGET_NR_sysfs:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_personality:
|
|
ret = get_errno(personality(arg1));
|
|
break;
|
|
#ifdef TARGET_NR_afs_syscall
|
|
case TARGET_NR_afs_syscall:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR__llseek /* Not on alpha */
|
|
case TARGET_NR__llseek:
|
|
{
|
|
#if defined (__x86_64__)
|
|
ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
|
|
tput64(arg4, ret);
|
|
#else
|
|
int64_t res;
|
|
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
|
|
tput64(arg4, res);
|
|
#endif
|
|
}
|
|
break;
|
|
#endif
|
|
case TARGET_NR_getdents:
|
|
#if TARGET_LONG_SIZE != 4
|
|
goto unimplemented;
|
|
#warning not supported
|
|
#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
|
|
{
|
|
struct target_dirent *target_dirp;
|
|
struct dirent *dirp;
|
|
long count = arg3;
|
|
|
|
dirp = malloc(count);
|
|
if (!dirp)
|
|
return -ENOMEM;
|
|
|
|
ret = get_errno(sys_getdents(arg1, dirp, count));
|
|
if (!is_error(ret)) {
|
|
struct dirent *de;
|
|
struct target_dirent *tde;
|
|
int len = ret;
|
|
int reclen, treclen;
|
|
int count1, tnamelen;
|
|
|
|
count1 = 0;
|
|
de = dirp;
|
|
target_dirp = lock_user(arg2, count, 0);
|
|
tde = target_dirp;
|
|
while (len > 0) {
|
|
reclen = de->d_reclen;
|
|
treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
|
|
tde->d_reclen = tswap16(treclen);
|
|
tde->d_ino = tswapl(de->d_ino);
|
|
tde->d_off = tswapl(de->d_off);
|
|
tnamelen = treclen - (2 * sizeof(target_long) + 2);
|
|
if (tnamelen > 256)
|
|
tnamelen = 256;
|
|
/* XXX: may not be correct */
|
|
strncpy(tde->d_name, de->d_name, tnamelen);
|
|
de = (struct dirent *)((char *)de + reclen);
|
|
len -= reclen;
|
|
tde = (struct target_dirent *)((char *)tde + treclen);
|
|
count1 += treclen;
|
|
}
|
|
ret = count1;
|
|
}
|
|
unlock_user(target_dirp, arg2, ret);
|
|
free(dirp);
|
|
}
|
|
#else
|
|
{
|
|
struct dirent *dirp;
|
|
long count = arg3;
|
|
|
|
dirp = lock_user(arg2, count, 0);
|
|
ret = get_errno(sys_getdents(arg1, dirp, count));
|
|
if (!is_error(ret)) {
|
|
struct dirent *de;
|
|
int len = ret;
|
|
int reclen;
|
|
de = dirp;
|
|
while (len > 0) {
|
|
reclen = de->d_reclen;
|
|
if (reclen > len)
|
|
break;
|
|
de->d_reclen = tswap16(reclen);
|
|
tswapls(&de->d_ino);
|
|
tswapls(&de->d_off);
|
|
de = (struct dirent *)((char *)de + reclen);
|
|
len -= reclen;
|
|
}
|
|
}
|
|
unlock_user(dirp, arg2, ret);
|
|
}
|
|
#endif
|
|
break;
|
|
#ifdef TARGET_NR_getdents64
|
|
case TARGET_NR_getdents64:
|
|
{
|
|
struct dirent64 *dirp;
|
|
long count = arg3;
|
|
dirp = lock_user(arg2, count, 0);
|
|
ret = get_errno(sys_getdents64(arg1, dirp, count));
|
|
if (!is_error(ret)) {
|
|
struct dirent64 *de;
|
|
int len = ret;
|
|
int reclen;
|
|
de = dirp;
|
|
while (len > 0) {
|
|
reclen = de->d_reclen;
|
|
if (reclen > len)
|
|
break;
|
|
de->d_reclen = tswap16(reclen);
|
|
tswap64s(&de->d_ino);
|
|
tswap64s(&de->d_off);
|
|
de = (struct dirent64 *)((char *)de + reclen);
|
|
len -= reclen;
|
|
}
|
|
}
|
|
unlock_user(dirp, arg2, ret);
|
|
}
|
|
break;
|
|
#endif /* TARGET_NR_getdents64 */
|
|
#ifdef TARGET_NR__newselect
|
|
case TARGET_NR__newselect:
|
|
ret = do_select(arg1, arg2, arg3, arg4, arg5);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_poll
|
|
case TARGET_NR_poll:
|
|
{
|
|
struct target_pollfd *target_pfd;
|
|
unsigned int nfds = arg2;
|
|
int timeout = arg3;
|
|
struct pollfd *pfd;
|
|
unsigned int i;
|
|
|
|
target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
|
|
pfd = alloca(sizeof(struct pollfd) * nfds);
|
|
for(i = 0; i < nfds; i++) {
|
|
pfd[i].fd = tswap32(target_pfd[i].fd);
|
|
pfd[i].events = tswap16(target_pfd[i].events);
|
|
}
|
|
ret = get_errno(poll(pfd, nfds, timeout));
|
|
if (!is_error(ret)) {
|
|
for(i = 0; i < nfds; i++) {
|
|
target_pfd[i].revents = tswap16(pfd[i].revents);
|
|
}
|
|
ret += nfds * (sizeof(struct target_pollfd)
|
|
- sizeof(struct pollfd));
|
|
}
|
|
unlock_user(target_pfd, arg1, ret);
|
|
}
|
|
break;
|
|
#endif
|
|
case TARGET_NR_flock:
|
|
/* NOTE: the flock constant seems to be the same for every
|
|
Linux platform */
|
|
ret = get_errno(flock(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_readv:
|
|
{
|
|
int count = arg3;
|
|
struct iovec *vec;
|
|
|
|
vec = alloca(count * sizeof(struct iovec));
|
|
lock_iovec(vec, arg2, count, 0);
|
|
ret = get_errno(readv(arg1, vec, count));
|
|
unlock_iovec(vec, arg2, count, 1);
|
|
}
|
|
break;
|
|
case TARGET_NR_writev:
|
|
{
|
|
int count = arg3;
|
|
struct iovec *vec;
|
|
|
|
vec = alloca(count * sizeof(struct iovec));
|
|
lock_iovec(vec, arg2, count, 1);
|
|
ret = get_errno(writev(arg1, vec, count));
|
|
unlock_iovec(vec, arg2, count, 0);
|
|
}
|
|
break;
|
|
case TARGET_NR_getsid:
|
|
ret = get_errno(getsid(arg1));
|
|
break;
|
|
#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
|
|
case TARGET_NR_fdatasync:
|
|
ret = get_errno(fdatasync(arg1));
|
|
break;
|
|
#endif
|
|
case TARGET_NR__sysctl:
|
|
/* We don't implement this, but ENODIR is always a safe
|
|
return value. */
|
|
return -ENOTDIR;
|
|
case TARGET_NR_sched_setparam:
|
|
{
|
|
struct sched_param *target_schp;
|
|
struct sched_param schp;
|
|
|
|
lock_user_struct(target_schp, arg2, 1);
|
|
schp.sched_priority = tswap32(target_schp->sched_priority);
|
|
unlock_user_struct(target_schp, arg2, 0);
|
|
ret = get_errno(sched_setparam(arg1, &schp));
|
|
}
|
|
break;
|
|
case TARGET_NR_sched_getparam:
|
|
{
|
|
struct sched_param *target_schp;
|
|
struct sched_param schp;
|
|
ret = get_errno(sched_getparam(arg1, &schp));
|
|
if (!is_error(ret)) {
|
|
lock_user_struct(target_schp, arg2, 0);
|
|
target_schp->sched_priority = tswap32(schp.sched_priority);
|
|
unlock_user_struct(target_schp, arg2, 1);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_sched_setscheduler:
|
|
{
|
|
struct sched_param *target_schp;
|
|
struct sched_param schp;
|
|
lock_user_struct(target_schp, arg3, 1);
|
|
schp.sched_priority = tswap32(target_schp->sched_priority);
|
|
unlock_user_struct(target_schp, arg3, 0);
|
|
ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
|
|
}
|
|
break;
|
|
case TARGET_NR_sched_getscheduler:
|
|
ret = get_errno(sched_getscheduler(arg1));
|
|
break;
|
|
case TARGET_NR_sched_yield:
|
|
ret = get_errno(sched_yield());
|
|
break;
|
|
case TARGET_NR_sched_get_priority_max:
|
|
ret = get_errno(sched_get_priority_max(arg1));
|
|
break;
|
|
case TARGET_NR_sched_get_priority_min:
|
|
ret = get_errno(sched_get_priority_min(arg1));
|
|
break;
|
|
case TARGET_NR_sched_rr_get_interval:
|
|
{
|
|
struct timespec ts;
|
|
ret = get_errno(sched_rr_get_interval(arg1, &ts));
|
|
if (!is_error(ret)) {
|
|
host_to_target_timespec(arg2, &ts);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_nanosleep:
|
|
{
|
|
struct timespec req, rem;
|
|
target_to_host_timespec(&req, arg1);
|
|
ret = get_errno(nanosleep(&req, &rem));
|
|
if (is_error(ret) && arg2) {
|
|
host_to_target_timespec(arg2, &rem);
|
|
}
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_query_module
|
|
case TARGET_NR_query_module:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_nfsservctl
|
|
case TARGET_NR_nfsservctl:
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_prctl:
|
|
switch (arg1)
|
|
{
|
|
case PR_GET_PDEATHSIG:
|
|
{
|
|
int deathsig;
|
|
ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
|
|
if (!is_error(ret) && arg2)
|
|
tput32(arg2, deathsig);
|
|
}
|
|
break;
|
|
default:
|
|
ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
|
|
break;
|
|
}
|
|
break;
|
|
#ifdef TARGET_NR_pread
|
|
case TARGET_NR_pread:
|
|
page_unprotect_range(arg2, arg3);
|
|
p = lock_user(arg2, arg3, 0);
|
|
ret = get_errno(pread(arg1, p, arg3, arg4));
|
|
unlock_user(p, arg2, ret);
|
|
break;
|
|
case TARGET_NR_pwrite:
|
|
p = lock_user(arg2, arg3, 1);
|
|
ret = get_errno(pwrite(arg1, p, arg3, arg4));
|
|
unlock_user(p, arg2, 0);
|
|
break;
|
|
#endif
|
|
case TARGET_NR_getcwd:
|
|
p = lock_user(arg1, arg2, 0);
|
|
ret = get_errno(sys_getcwd1(p, arg2));
|
|
unlock_user(p, arg1, ret);
|
|
break;
|
|
case TARGET_NR_capget:
|
|
goto unimplemented;
|
|
case TARGET_NR_capset:
|
|
goto unimplemented;
|
|
case TARGET_NR_sigaltstack:
|
|
goto unimplemented;
|
|
case TARGET_NR_sendfile:
|
|
goto unimplemented;
|
|
#ifdef TARGET_NR_getpmsg
|
|
case TARGET_NR_getpmsg:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_putpmsg
|
|
case TARGET_NR_putpmsg:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_vfork
|
|
case TARGET_NR_vfork:
|
|
ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_ugetrlimit
|
|
case TARGET_NR_ugetrlimit:
|
|
{
|
|
struct rlimit rlim;
|
|
ret = get_errno(getrlimit(arg1, &rlim));
|
|
if (!is_error(ret)) {
|
|
struct target_rlimit *target_rlim;
|
|
lock_user_struct(target_rlim, arg2, 0);
|
|
target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
|
|
target_rlim->rlim_max = tswapl(rlim.rlim_max);
|
|
unlock_user_struct(target_rlim, arg2, 1);
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
#ifdef TARGET_NR_truncate64
|
|
case TARGET_NR_truncate64:
|
|
p = lock_user_string(arg1);
|
|
ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_ftruncate64
|
|
case TARGET_NR_ftruncate64:
|
|
ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_stat64
|
|
case TARGET_NR_stat64:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(stat(path(p), &st));
|
|
unlock_user(p, arg1, 0);
|
|
goto do_stat64;
|
|
#endif
|
|
#ifdef TARGET_NR_lstat64
|
|
case TARGET_NR_lstat64:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(lstat(path(p), &st));
|
|
unlock_user(p, arg1, 0);
|
|
goto do_stat64;
|
|
#endif
|
|
#ifdef TARGET_NR_fstat64
|
|
case TARGET_NR_fstat64:
|
|
{
|
|
ret = get_errno(fstat(arg1, &st));
|
|
do_stat64:
|
|
if (!is_error(ret)) {
|
|
#ifdef TARGET_ARM
|
|
if (((CPUARMState *)cpu_env)->eabi) {
|
|
struct target_eabi_stat64 *target_st;
|
|
lock_user_struct(target_st, arg2, 1);
|
|
memset(target_st, 0, sizeof(struct target_eabi_stat64));
|
|
/* put_user is probably wrong. */
|
|
put_user(st.st_dev, &target_st->st_dev);
|
|
put_user(st.st_ino, &target_st->st_ino);
|
|
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
|
put_user(st.st_ino, &target_st->__st_ino);
|
|
#endif
|
|
put_user(st.st_mode, &target_st->st_mode);
|
|
put_user(st.st_nlink, &target_st->st_nlink);
|
|
put_user(st.st_uid, &target_st->st_uid);
|
|
put_user(st.st_gid, &target_st->st_gid);
|
|
put_user(st.st_rdev, &target_st->st_rdev);
|
|
/* XXX: better use of kernel struct */
|
|
put_user(st.st_size, &target_st->st_size);
|
|
put_user(st.st_blksize, &target_st->st_blksize);
|
|
put_user(st.st_blocks, &target_st->st_blocks);
|
|
put_user(st.st_atime, &target_st->target_st_atime);
|
|
put_user(st.st_mtime, &target_st->target_st_mtime);
|
|
put_user(st.st_ctime, &target_st->target_st_ctime);
|
|
unlock_user_struct(target_st, arg2, 0);
|
|
} else
|
|
#endif
|
|
{
|
|
struct target_stat64 *target_st;
|
|
lock_user_struct(target_st, arg2, 1);
|
|
memset(target_st, 0, sizeof(struct target_stat64));
|
|
/* ??? put_user is probably wrong. */
|
|
put_user(st.st_dev, &target_st->st_dev);
|
|
put_user(st.st_ino, &target_st->st_ino);
|
|
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
|
put_user(st.st_ino, &target_st->__st_ino);
|
|
#endif
|
|
put_user(st.st_mode, &target_st->st_mode);
|
|
put_user(st.st_nlink, &target_st->st_nlink);
|
|
put_user(st.st_uid, &target_st->st_uid);
|
|
put_user(st.st_gid, &target_st->st_gid);
|
|
put_user(st.st_rdev, &target_st->st_rdev);
|
|
/* XXX: better use of kernel struct */
|
|
put_user(st.st_size, &target_st->st_size);
|
|
put_user(st.st_blksize, &target_st->st_blksize);
|
|
put_user(st.st_blocks, &target_st->st_blocks);
|
|
put_user(st.st_atime, &target_st->target_st_atime);
|
|
put_user(st.st_mtime, &target_st->target_st_mtime);
|
|
put_user(st.st_ctime, &target_st->target_st_ctime);
|
|
unlock_user_struct(target_st, arg2, 0);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef USE_UID16
|
|
case TARGET_NR_lchown:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
case TARGET_NR_getuid:
|
|
ret = get_errno(high2lowuid(getuid()));
|
|
break;
|
|
case TARGET_NR_getgid:
|
|
ret = get_errno(high2lowgid(getgid()));
|
|
break;
|
|
case TARGET_NR_geteuid:
|
|
ret = get_errno(high2lowuid(geteuid()));
|
|
break;
|
|
case TARGET_NR_getegid:
|
|
ret = get_errno(high2lowgid(getegid()));
|
|
break;
|
|
case TARGET_NR_setreuid:
|
|
ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
|
|
break;
|
|
case TARGET_NR_setregid:
|
|
ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
|
|
break;
|
|
case TARGET_NR_getgroups:
|
|
{
|
|
int gidsetsize = arg1;
|
|
uint16_t *target_grouplist;
|
|
gid_t *grouplist;
|
|
int i;
|
|
|
|
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
|
ret = get_errno(getgroups(gidsetsize, grouplist));
|
|
if (!is_error(ret)) {
|
|
target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
|
|
for(i = 0;i < gidsetsize; i++)
|
|
target_grouplist[i] = tswap16(grouplist[i]);
|
|
unlock_user(target_grouplist, arg2, gidsetsize * 2);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_setgroups:
|
|
{
|
|
int gidsetsize = arg1;
|
|
uint16_t *target_grouplist;
|
|
gid_t *grouplist;
|
|
int i;
|
|
|
|
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
|
target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
|
|
for(i = 0;i < gidsetsize; i++)
|
|
grouplist[i] = tswap16(target_grouplist[i]);
|
|
unlock_user(target_grouplist, arg2, 0);
|
|
ret = get_errno(setgroups(gidsetsize, grouplist));
|
|
}
|
|
break;
|
|
case TARGET_NR_fchown:
|
|
ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
|
|
break;
|
|
#ifdef TARGET_NR_setresuid
|
|
case TARGET_NR_setresuid:
|
|
ret = get_errno(setresuid(low2highuid(arg1),
|
|
low2highuid(arg2),
|
|
low2highuid(arg3)));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getresuid
|
|
case TARGET_NR_getresuid:
|
|
{
|
|
uid_t ruid, euid, suid;
|
|
ret = get_errno(getresuid(&ruid, &euid, &suid));
|
|
if (!is_error(ret)) {
|
|
tput16(arg1, tswap16(high2lowuid(ruid)));
|
|
tput16(arg2, tswap16(high2lowuid(euid)));
|
|
tput16(arg3, tswap16(high2lowuid(suid)));
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getresgid
|
|
case TARGET_NR_setresgid:
|
|
ret = get_errno(setresgid(low2highgid(arg1),
|
|
low2highgid(arg2),
|
|
low2highgid(arg3)));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getresgid
|
|
case TARGET_NR_getresgid:
|
|
{
|
|
gid_t rgid, egid, sgid;
|
|
ret = get_errno(getresgid(&rgid, &egid, &sgid));
|
|
if (!is_error(ret)) {
|
|
tput16(arg1, tswap16(high2lowgid(rgid)));
|
|
tput16(arg2, tswap16(high2lowgid(egid)));
|
|
tput16(arg3, tswap16(high2lowgid(sgid)));
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
case TARGET_NR_chown:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
case TARGET_NR_setuid:
|
|
ret = get_errno(setuid(low2highuid(arg1)));
|
|
break;
|
|
case TARGET_NR_setgid:
|
|
ret = get_errno(setgid(low2highgid(arg1)));
|
|
break;
|
|
case TARGET_NR_setfsuid:
|
|
ret = get_errno(setfsuid(arg1));
|
|
break;
|
|
case TARGET_NR_setfsgid:
|
|
ret = get_errno(setfsgid(arg1));
|
|
break;
|
|
#endif /* USE_UID16 */
|
|
|
|
#ifdef TARGET_NR_lchown32
|
|
case TARGET_NR_lchown32:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(lchown(p, arg2, arg3));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getuid32
|
|
case TARGET_NR_getuid32:
|
|
ret = get_errno(getuid());
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getgid32
|
|
case TARGET_NR_getgid32:
|
|
ret = get_errno(getgid());
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_geteuid32
|
|
case TARGET_NR_geteuid32:
|
|
ret = get_errno(geteuid());
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getegid32
|
|
case TARGET_NR_getegid32:
|
|
ret = get_errno(getegid());
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_setreuid32
|
|
case TARGET_NR_setreuid32:
|
|
ret = get_errno(setreuid(arg1, arg2));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_setregid32
|
|
case TARGET_NR_setregid32:
|
|
ret = get_errno(setregid(arg1, arg2));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getgroups32
|
|
case TARGET_NR_getgroups32:
|
|
{
|
|
int gidsetsize = arg1;
|
|
uint32_t *target_grouplist;
|
|
gid_t *grouplist;
|
|
int i;
|
|
|
|
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
|
ret = get_errno(getgroups(gidsetsize, grouplist));
|
|
if (!is_error(ret)) {
|
|
target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
|
|
for(i = 0;i < gidsetsize; i++)
|
|
target_grouplist[i] = tswap32(grouplist[i]);
|
|
unlock_user(target_grouplist, arg2, gidsetsize * 4);
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_setgroups32
|
|
case TARGET_NR_setgroups32:
|
|
{
|
|
int gidsetsize = arg1;
|
|
uint32_t *target_grouplist;
|
|
gid_t *grouplist;
|
|
int i;
|
|
|
|
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
|
target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
|
|
for(i = 0;i < gidsetsize; i++)
|
|
grouplist[i] = tswap32(target_grouplist[i]);
|
|
unlock_user(target_grouplist, arg2, 0);
|
|
ret = get_errno(setgroups(gidsetsize, grouplist));
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_fchown32
|
|
case TARGET_NR_fchown32:
|
|
ret = get_errno(fchown(arg1, arg2, arg3));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_setresuid32
|
|
case TARGET_NR_setresuid32:
|
|
ret = get_errno(setresuid(arg1, arg2, arg3));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getresuid32
|
|
case TARGET_NR_getresuid32:
|
|
{
|
|
uid_t ruid, euid, suid;
|
|
ret = get_errno(getresuid(&ruid, &euid, &suid));
|
|
if (!is_error(ret)) {
|
|
tput32(arg1, tswap32(ruid));
|
|
tput32(arg2, tswap32(euid));
|
|
tput32(arg3, tswap32(suid));
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_setresgid32
|
|
case TARGET_NR_setresgid32:
|
|
ret = get_errno(setresgid(arg1, arg2, arg3));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_getresgid32
|
|
case TARGET_NR_getresgid32:
|
|
{
|
|
gid_t rgid, egid, sgid;
|
|
ret = get_errno(getresgid(&rgid, &egid, &sgid));
|
|
if (!is_error(ret)) {
|
|
tput32(arg1, tswap32(rgid));
|
|
tput32(arg2, tswap32(egid));
|
|
tput32(arg3, tswap32(sgid));
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_chown32
|
|
case TARGET_NR_chown32:
|
|
p = lock_user_string(arg1);
|
|
ret = get_errno(chown(p, arg2, arg3));
|
|
unlock_user(p, arg1, 0);
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_setuid32
|
|
case TARGET_NR_setuid32:
|
|
ret = get_errno(setuid(arg1));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_setgid32
|
|
case TARGET_NR_setgid32:
|
|
ret = get_errno(setgid(arg1));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_setfsuid32
|
|
case TARGET_NR_setfsuid32:
|
|
ret = get_errno(setfsuid(arg1));
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_setfsgid32
|
|
case TARGET_NR_setfsgid32:
|
|
ret = get_errno(setfsgid(arg1));
|
|
break;
|
|
#endif
|
|
|
|
case TARGET_NR_pivot_root:
|
|
goto unimplemented;
|
|
#ifdef TARGET_NR_mincore
|
|
case TARGET_NR_mincore:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_madvise
|
|
case TARGET_NR_madvise:
|
|
/* A straight passthrough may not be safe because qemu sometimes
|
|
turns private flie-backed mappings into anonymous mappings.
|
|
This will break MADV_DONTNEED.
|
|
This is a hint, so ignoring and returning success is ok. */
|
|
ret = get_errno(0);
|
|
break;
|
|
#endif
|
|
#if TARGET_LONG_BITS == 32
|
|
case TARGET_NR_fcntl64:
|
|
{
|
|
int cmd;
|
|
struct flock64 fl;
|
|
struct target_flock64 *target_fl;
|
|
#ifdef TARGET_ARM
|
|
struct target_eabi_flock64 *target_efl;
|
|
#endif
|
|
|
|
switch(arg2){
|
|
case TARGET_F_GETLK64:
|
|
cmd = F_GETLK64;
|
|
break;
|
|
case TARGET_F_SETLK64:
|
|
cmd = F_SETLK64;
|
|
break;
|
|
case TARGET_F_SETLKW64:
|
|
cmd = F_SETLK64;
|
|
break;
|
|
default:
|
|
cmd = arg2;
|
|
break;
|
|
}
|
|
|
|
switch(arg2) {
|
|
case TARGET_F_GETLK64:
|
|
#ifdef TARGET_ARM
|
|
if (((CPUARMState *)cpu_env)->eabi) {
|
|
lock_user_struct(target_efl, arg3, 1);
|
|
fl.l_type = tswap16(target_efl->l_type);
|
|
fl.l_whence = tswap16(target_efl->l_whence);
|
|
fl.l_start = tswap64(target_efl->l_start);
|
|
fl.l_len = tswap64(target_efl->l_len);
|
|
fl.l_pid = tswapl(target_efl->l_pid);
|
|
unlock_user_struct(target_efl, arg3, 0);
|
|
} else
|
|
#endif
|
|
{
|
|
lock_user_struct(target_fl, arg3, 1);
|
|
fl.l_type = tswap16(target_fl->l_type);
|
|
fl.l_whence = tswap16(target_fl->l_whence);
|
|
fl.l_start = tswap64(target_fl->l_start);
|
|
fl.l_len = tswap64(target_fl->l_len);
|
|
fl.l_pid = tswapl(target_fl->l_pid);
|
|
unlock_user_struct(target_fl, arg3, 0);
|
|
}
|
|
ret = get_errno(fcntl(arg1, cmd, &fl));
|
|
if (ret == 0) {
|
|
#ifdef TARGET_ARM
|
|
if (((CPUARMState *)cpu_env)->eabi) {
|
|
lock_user_struct(target_efl, arg3, 0);
|
|
target_efl->l_type = tswap16(fl.l_type);
|
|
target_efl->l_whence = tswap16(fl.l_whence);
|
|
target_efl->l_start = tswap64(fl.l_start);
|
|
target_efl->l_len = tswap64(fl.l_len);
|
|
target_efl->l_pid = tswapl(fl.l_pid);
|
|
unlock_user_struct(target_efl, arg3, 1);
|
|
} else
|
|
#endif
|
|
{
|
|
lock_user_struct(target_fl, arg3, 0);
|
|
target_fl->l_type = tswap16(fl.l_type);
|
|
target_fl->l_whence = tswap16(fl.l_whence);
|
|
target_fl->l_start = tswap64(fl.l_start);
|
|
target_fl->l_len = tswap64(fl.l_len);
|
|
target_fl->l_pid = tswapl(fl.l_pid);
|
|
unlock_user_struct(target_fl, arg3, 1);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case TARGET_F_SETLK64:
|
|
case TARGET_F_SETLKW64:
|
|
#ifdef TARGET_ARM
|
|
if (((CPUARMState *)cpu_env)->eabi) {
|
|
lock_user_struct(target_efl, arg3, 1);
|
|
fl.l_type = tswap16(target_efl->l_type);
|
|
fl.l_whence = tswap16(target_efl->l_whence);
|
|
fl.l_start = tswap64(target_efl->l_start);
|
|
fl.l_len = tswap64(target_efl->l_len);
|
|
fl.l_pid = tswapl(target_efl->l_pid);
|
|
unlock_user_struct(target_efl, arg3, 0);
|
|
} else
|
|
#endif
|
|
{
|
|
lock_user_struct(target_fl, arg3, 1);
|
|
fl.l_type = tswap16(target_fl->l_type);
|
|
fl.l_whence = tswap16(target_fl->l_whence);
|
|
fl.l_start = tswap64(target_fl->l_start);
|
|
fl.l_len = tswap64(target_fl->l_len);
|
|
fl.l_pid = tswapl(target_fl->l_pid);
|
|
unlock_user_struct(target_fl, arg3, 0);
|
|
}
|
|
ret = get_errno(fcntl(arg1, cmd, &fl));
|
|
break;
|
|
default:
|
|
ret = get_errno(do_fcntl(arg1, cmd, arg3));
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
#ifdef TARGET_NR_cacheflush
|
|
case TARGET_NR_cacheflush:
|
|
/* self-modifying code is handled automatically, so nothing needed */
|
|
ret = 0;
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_NR_security
|
|
case TARGET_NR_security:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_getpagesize
|
|
case TARGET_NR_getpagesize:
|
|
ret = TARGET_PAGE_SIZE;
|
|
break;
|
|
#endif
|
|
case TARGET_NR_gettid:
|
|
ret = get_errno(gettid());
|
|
break;
|
|
#ifdef TARGET_NR_readahead
|
|
case TARGET_NR_readahead:
|
|
goto unimplemented;
|
|
#endif
|
|
#ifdef TARGET_NR_setxattr
|
|
case TARGET_NR_setxattr:
|
|
case TARGET_NR_lsetxattr:
|
|
case TARGET_NR_fsetxattr:
|
|
case TARGET_NR_getxattr:
|
|
case TARGET_NR_lgetxattr:
|
|
case TARGET_NR_fgetxattr:
|
|
case TARGET_NR_listxattr:
|
|
case TARGET_NR_llistxattr:
|
|
case TARGET_NR_flistxattr:
|
|
case TARGET_NR_removexattr:
|
|
case TARGET_NR_lremovexattr:
|
|
case TARGET_NR_fremovexattr:
|
|
goto unimplemented_nowarn;
|
|
#endif
|
|
#ifdef TARGET_NR_set_thread_area
|
|
case TARGET_NR_set_thread_area:
|
|
#ifdef TARGET_MIPS
|
|
((CPUMIPSState *) cpu_env)->tls_value = arg1;
|
|
ret = 0;
|
|
break;
|
|
#else
|
|
goto unimplemented_nowarn;
|
|
#endif
|
|
#endif
|
|
#ifdef TARGET_NR_get_thread_area
|
|
case TARGET_NR_get_thread_area:
|
|
goto unimplemented_nowarn;
|
|
#endif
|
|
#ifdef TARGET_NR_getdomainname
|
|
case TARGET_NR_getdomainname:
|
|
goto unimplemented_nowarn;
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_clock_gettime
|
|
case TARGET_NR_clock_gettime:
|
|
{
|
|
struct timespec ts;
|
|
ret = get_errno(clock_gettime(arg1, &ts));
|
|
if (!is_error(ret)) {
|
|
host_to_target_timespec(arg2, &ts);
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
#ifdef TARGET_NR_clock_getres
|
|
case TARGET_NR_clock_getres:
|
|
{
|
|
struct timespec ts;
|
|
ret = get_errno(clock_getres(arg1, &ts));
|
|
if (!is_error(ret)) {
|
|
host_to_target_timespec(arg2, &ts);
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
|
|
case TARGET_NR_set_tid_address:
|
|
ret = get_errno(set_tid_address((int *) arg1));
|
|
break;
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_tkill
|
|
case TARGET_NR_tkill:
|
|
ret = get_errno(sys_tkill((int)arg1, (int)arg2));
|
|
break;
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_tgkill
|
|
case TARGET_NR_tgkill:
|
|
ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
|
|
break;
|
|
#endif
|
|
|
|
#ifdef TARGET_NR_set_robust_list
|
|
case TARGET_NR_set_robust_list:
|
|
goto unimplemented_nowarn;
|
|
#endif
|
|
|
|
default:
|
|
unimplemented:
|
|
gemu_log("qemu: Unsupported syscall: %d\n", num);
|
|
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
|
|
unimplemented_nowarn:
|
|
#endif
|
|
ret = -ENOSYS;
|
|
break;
|
|
}
|
|
fail:
|
|
#ifdef DEBUG
|
|
gemu_log(" = %ld\n", ret);
|
|
#endif
|
|
return ret;
|
|
}
|
|
|