syscall.c 142.2 KB
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/*
 *  Linux syscalls
 * 
 *  Copyright (c) 2003 Fabrice Bellard
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
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#include <string.h>
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#include <elf.h>
#include <endian.h>
#include <errno.h>
#include <unistd.h>
#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>
#include <sys/msg.h>
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#include <sys/wait.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/mount.h>
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#include <sys/prctl.h>
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#include <sys/resource.h>
#include <sys/mman.h>
#include <sys/swap.h>
#include <signal.h>
#include <sched.h>
#include <sys/socket.h>
#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
#define winsize host_winsize
#define termio host_termio
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#define sgttyb host_sgttyb /* same as target */
#define tchars host_tchars /* same as target */
#define ltchars host_ltchars /* same as target */
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#include <linux/termios.h>
#include <linux/unistd.h>
#include <linux/utsname.h>
#include <linux/cdrom.h>
#include <linux/hdreg.h>
#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 */
#define USE_UID16
#endif

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//#include <linux/msdos_fs.h>
#define	VFAT_IOCTL_READDIR_BOTH		_IOR('r', 1, struct dirent [2])
#define	VFAT_IOCTL_READDIR_SHORT	_IOR('r', 2, struct dirent [2])

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#undef _syscall0
#undef _syscall1
#undef _syscall2
#undef _syscall3
#undef _syscall4
#undef _syscall5
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#undef _syscall6
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#define _syscall0(type,name)		\
type name (void)			\
{					\
	return syscall(__NR_##name);	\
}
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#define _syscall1(type,name,type1,arg1)		\
type name (type1 arg1)				\
{						\
	return syscall(__NR_##name, arg1);	\
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}

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#define _syscall2(type,name,type1,arg1,type2,arg2)	\
type name (type1 arg1,type2 arg2)			\
{							\
	return syscall(__NR_##name, arg1, arg2);	\
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}

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#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)	\
type name (type1 arg1,type2 arg2,type3 arg3)			\
{								\
	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)	\
type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4)				\
{										\
	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,	\
		  type5,arg5)							\
type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5)		\
{										\
	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,	\
		  type5,arg5,type6,arg6)					\
type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6)	\
{										\
	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
#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
#endif

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#ifdef __NR_gettid
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_syscall0(int, gettid)
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#else
static int gettid(void) {
    return -ENOSYS;
}
#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)
_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,
          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
#ifdef TARGET_NR_tkill
_syscall2(int,sys_tkill,int,tid,int,sig)
#endif
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#ifdef __NR_exit_group
_syscall1(int,exit_group,int,error_code)
#endif
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#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
_syscall1(int,set_tid_address,int *,tidptr)
#endif
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extern int personality(int);
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extern int flock(int, int);
extern int setfsuid(int);
extern int setfsgid(int);
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extern int setresuid(uid_t, uid_t, uid_t);
extern int getresuid(uid_t *, uid_t *, uid_t *);
extern int setresgid(gid_t, gid_t, gid_t);
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.
 */
static uint16_t host_to_target_errno_table[1200] = {
    [EIDRM]		= TARGET_EIDRM,
    [ECHRNG]		= TARGET_ECHRNG,
    [EL2NSYNC]		= TARGET_EL2NSYNC,
    [EL3HLT]		= TARGET_EL3HLT,
    [EL3RST]		= TARGET_EL3RST,
    [ELNRNG]		= TARGET_ELNRNG,
    [EUNATCH]		= TARGET_EUNATCH,
    [ENOCSI]		= TARGET_ENOCSI,
    [EL2HLT]		= TARGET_EL2HLT,
    [EDEADLK]		= TARGET_EDEADLK,
    [ENOLCK]		= TARGET_ENOLCK,
    [EBADE]		= TARGET_EBADE,
    [EBADR]		= TARGET_EBADR,
    [EXFULL]		= TARGET_EXFULL,
    [ENOANO]		= TARGET_ENOANO,
    [EBADRQC]		= TARGET_EBADRQC,
    [EBADSLT]		= TARGET_EBADSLT,
    [EBFONT]		= TARGET_EBFONT,
    [ENOSTR]		= TARGET_ENOSTR,
    [ENODATA]		= TARGET_ENODATA,
    [ETIME]		= TARGET_ETIME,
    [ENOSR]		= TARGET_ENOSR,
    [ENONET]		= TARGET_ENONET,
    [ENOPKG]		= TARGET_ENOPKG,
    [EREMOTE]		= TARGET_EREMOTE,
    [ENOLINK]		= TARGET_ENOLINK,
    [EADV]		= TARGET_EADV,
    [ESRMNT]		= TARGET_ESRMNT,
    [ECOMM]		= TARGET_ECOMM,
    [EPROTO]		= TARGET_EPROTO,
    [EDOTDOT]		= TARGET_EDOTDOT,
    [EMULTIHOP]		= TARGET_EMULTIHOP,
    [EBADMSG]		= TARGET_EBADMSG,
    [ENAMETOOLONG]	= TARGET_ENAMETOOLONG,
    [EOVERFLOW]		= TARGET_EOVERFLOW,
    [ENOTUNIQ]		= TARGET_ENOTUNIQ,
    [EBADFD]		= TARGET_EBADFD,
    [EREMCHG]		= TARGET_EREMCHG,
    [ELIBACC]		= TARGET_ELIBACC,
    [ELIBBAD]		= TARGET_ELIBBAD,
    [ELIBSCN]		= TARGET_ELIBSCN,
    [ELIBMAX]		= TARGET_ELIBMAX,
    [ELIBEXEC]		= TARGET_ELIBEXEC,
    [EILSEQ]		= TARGET_EILSEQ,
    [ENOSYS]		= TARGET_ENOSYS,
    [ELOOP]		= TARGET_ELOOP,
    [ERESTART]		= TARGET_ERESTART,
    [ESTRPIPE]		= TARGET_ESTRPIPE,
    [ENOTEMPTY]		= TARGET_ENOTEMPTY,
    [EUSERS]		= TARGET_EUSERS,
    [ENOTSOCK]		= TARGET_ENOTSOCK,
    [EDESTADDRREQ]	= TARGET_EDESTADDRREQ,
    [EMSGSIZE]		= TARGET_EMSGSIZE,
    [EPROTOTYPE]	= TARGET_EPROTOTYPE,
    [ENOPROTOOPT]	= TARGET_ENOPROTOOPT,
    [EPROTONOSUPPORT]	= TARGET_EPROTONOSUPPORT,
    [ESOCKTNOSUPPORT]	= TARGET_ESOCKTNOSUPPORT,
    [EOPNOTSUPP]	= TARGET_EOPNOTSUPP,
    [EPFNOSUPPORT]	= TARGET_EPFNOSUPPORT,
    [EAFNOSUPPORT]	= TARGET_EAFNOSUPPORT,
    [EADDRINUSE]	= TARGET_EADDRINUSE,
    [EADDRNOTAVAIL]	= TARGET_EADDRNOTAVAIL,
    [ENETDOWN]		= TARGET_ENETDOWN,
    [ENETUNREACH]	= TARGET_ENETUNREACH,
    [ENETRESET]		= TARGET_ENETRESET,
    [ECONNABORTED]	= TARGET_ECONNABORTED,
    [ECONNRESET]	= TARGET_ECONNRESET,
    [ENOBUFS]		= TARGET_ENOBUFS,
    [EISCONN]		= TARGET_EISCONN,
    [ENOTCONN]		= TARGET_ENOTCONN,
    [EUCLEAN]		= TARGET_EUCLEAN,
    [ENOTNAM]		= TARGET_ENOTNAM,
    [ENAVAIL]		= TARGET_ENAVAIL,
    [EISNAM]		= TARGET_EISNAM,
    [EREMOTEIO]		= TARGET_EREMOTEIO,
    [ESHUTDOWN]		= TARGET_ESHUTDOWN,
    [ETOOMANYREFS]	= TARGET_ETOOMANYREFS,
    [ETIMEDOUT]		= TARGET_ETIMEDOUT,
    [ECONNREFUSED]	= TARGET_ECONNREFUSED,
    [EHOSTDOWN]		= TARGET_EHOSTDOWN,
    [EHOSTUNREACH]	= TARGET_EHOSTUNREACH,
    [EALREADY]		= TARGET_EALREADY,
    [EINPROGRESS]	= TARGET_EINPROGRESS,
    [ESTALE]		= TARGET_ESTALE,
    [ECANCELED]		= TARGET_ECANCELED,
    [ENOMEDIUM]		= TARGET_ENOMEDIUM,
    [EMEDIUMTYPE]	= TARGET_EMEDIUMTYPE,
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#ifdef ENOKEY
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    [ENOKEY]		= TARGET_ENOKEY,
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#endif
#ifdef EKEYEXPIRED
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    [EKEYEXPIRED]	= TARGET_EKEYEXPIRED,
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#endif
#ifdef EKEYREVOKED
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    [EKEYREVOKED]	= TARGET_EKEYREVOKED,
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#endif
#ifdef EKEYREJECTED
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    [EKEYREJECTED]	= TARGET_EKEYREJECTED,
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#endif
#ifdef EOWNERDEAD
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    [EOWNERDEAD]	= TARGET_EOWNERDEAD,
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#endif
#ifdef ENOTRECOVERABLE
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    [ENOTRECOVERABLE]	= TARGET_ENOTRECOVERABLE,
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#endif
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	};

static inline int host_to_target_errno(int err)
{
    if(host_to_target_errno_table[err])
        return host_to_target_errno_table[err];
    return err;
}

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static inline long get_errno(long ret)
{
    if (ret == -1)
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        return -host_to_target_errno(errno);
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    else
        return ret;
}

static inline int is_error(long ret)
{
    return (unsigned long)ret >= (unsigned long)(-4096);
}

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static target_ulong target_brk;
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;
    int	new_alloc_size;

    if (!new_brk)
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        return target_brk;
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    if (new_brk < target_original_brk)
        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... */
    if (new_brk < brk_page) {
	target_brk = new_brk;
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    	return target_brk;
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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,
                                        MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
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    if (is_error(mapped_addr)) {
	return mapped_addr;
    } else {
	target_brk = new_brk;
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    	return target_brk;
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    }
}

static inline fd_set *target_to_host_fds(fd_set *fds, 
                                         target_long *target_fds, int n)
{
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#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
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    return (fd_set *)target_fds;
#else
    int i, b;
    if (target_fds) {
        FD_ZERO(fds);
        for(i = 0;i < n; i++) {
            b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
                 (i & (TARGET_LONG_BITS - 1))) & 1;
            if (b)
                FD_SET(i, fds);
        }
        return fds;
    } else {
        return NULL;
    }
#endif
}

static inline void host_to_target_fds(target_long *target_fds, 
                                      fd_set *fds, int n)
{
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#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
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    /* nothing to do */
#else
    int i, nw, j, k;
    target_long v;

    if (target_fds) {
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        nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
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        k = 0;
        for(i = 0;i < nw; i++) {
            v = 0;
            for(j = 0; j < TARGET_LONG_BITS; j++) {
                v |= ((FD_ISSET(k, fds) != 0) << j);
                k++;
            }
            target_fds[i] = tswapl(v);
        }
    }
#endif
}

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#if defined(__alpha__)
#define HOST_HZ 1024
#else
#define HOST_HZ 100
#endif

static inline long host_to_target_clock_t(long ticks)
{
#if HOST_HZ == TARGET_HZ
    return ticks;
#else
    return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
#endif
}

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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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    struct target_rusage *target_rusage;

    lock_user_struct(target_rusage, target_addr, 0);
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    target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
    target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
    target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
    target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
    target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
    target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
    target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
    target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
    target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
    target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
    target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
    target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
    target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
    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);
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    unlock_user_struct(target_rusage, target_addr, 1);
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}

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static inline void target_to_host_timeval(struct timeval *tv,
                                          target_ulong target_addr)
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{
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    struct target_timeval *target_tv;

    lock_user_struct(target_tv, target_addr, 1);
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    tv->tv_sec = tswapl(target_tv->tv_sec);
    tv->tv_usec = tswapl(target_tv->tv_usec);
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    unlock_user_struct(target_tv, target_addr, 0);
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}

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static inline void host_to_target_timeval(target_ulong target_addr,
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                                          const struct timeval *tv)
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{
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    struct target_timeval *target_tv;

    lock_user_struct(target_tv, target_addr, 0);
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    target_tv->tv_sec = tswapl(tv->tv_sec);
    target_tv->tv_usec = tswapl(tv->tv_usec);
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    unlock_user_struct(target_tv, target_addr, 1);
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}


static long do_select(long n, 
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                      target_ulong rfd_p, target_ulong wfd_p, 
                      target_ulong efd_p, target_ulong target_tv)
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{
    fd_set rfds, wfds, efds;
    fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
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    target_long *target_rfds, *target_wfds, *target_efds;
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    struct timeval tv, *tv_ptr;
    long ret;
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    int ok;
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    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;
    }
507 508
            
    if (target_tv) {
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        target_to_host_timeval(&tv, target_tv);
510 511 512 513 514
        tv_ptr = &tv;
    } else {
        tv_ptr = NULL;
    }
    ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
515 516 517
    ok = !is_error(ret);

    if (ok) {
518 519 520 521 522
        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) {
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            host_to_target_timeval(target_tv, &tv);
524 525
        }
    }
526 527 528 529 530 531 532
    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);

533 534 535
    return ret;
}

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static inline void target_to_host_sockaddr(struct sockaddr *addr,
537
                                           target_ulong target_addr,
B
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                                           socklen_t len)
{
540 541 542 543 544 545
    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);
B
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546 547
}

548
static inline void host_to_target_sockaddr(target_ulong target_addr,
B
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549 550 551
                                           struct sockaddr *addr,
                                           socklen_t len)
{
552 553 554 555 556 557
    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);
B
bellard 已提交
558 559
}

560
/* ??? Should this also swap msgh->name?  */
B
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561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577
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);
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            gemu_log("Host cmsg overflow\n");
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579 580 581 582 583 584 585
            break;
        }

        cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
        cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
        cmsg->cmsg_len = CMSG_LEN(len);

586
        if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
B
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587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604
            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;
}

605
/* ??? Should this also swap msgh->name?  */
B
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606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621
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);
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            gemu_log("Target cmsg overflow\n");
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623 624 625 626 627 628 629
            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));

630
        if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
B
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631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649
            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, 
650
                          target_ulong optval, socklen_t optlen)
B
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{
652 653 654 655
    int val, ret;
            
    switch(level) {
    case SOL_TCP:
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656 657 658
        /* TCP options all take an 'int' value.  */
        if (optlen < sizeof(uint32_t))
            return -EINVAL;
659
        
660
        val = tget32(optval);
661 662 663 664
        ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
        break;
    case SOL_IP:
        switch(optname) {
B
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        case IP_TOS:
        case IP_TTL:
667
        case IP_HDRINCL:
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668 669 670 671 672 673 674 675 676 677 678 679
        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:
680 681
            val = 0;
            if (optlen >= sizeof(uint32_t)) {
682
                val = tget32(optval);
683
            } else if (optlen >= 1) {
684
                val = tget8(optval);
685 686 687 688 689 690 691
            }
            ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
            break;
        default:
            goto unimplemented;
        }
        break;
692
    case TARGET_SOL_SOCKET:
693 694
        switch (optname) {
            /* Options with 'int' argument.  */
695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730
        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;
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#ifdef SO_BSDCOMPAT
732 733 734
        case TARGET_SO_BSDCOMPAT:
		optname = SO_BSDCOMPAT;
		break;
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#endif
736 737 738 739 740 741 742 743 744 745 746 747 748 749 750
        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;
751 752 753 754
            break;
        default:
            goto unimplemented;
        }
755 756 757 758 759
	if (optlen < sizeof(uint32_t))
	return -EINVAL;

	val = tget32(optval);
	ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
760
        break;
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    default:
762 763 764
    unimplemented:
        gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
        ret = -ENOSYS;
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    }
766
    return ret;
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}

static long do_getsockopt(int sockfd, int level, int optname, 
770
                          target_ulong optval, target_ulong optlen)
B
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{
772 773 774
    int len, lv, val, ret;

    switch(level) {
775 776
    case TARGET_SOL_SOCKET:
    	level = SOL_SOCKET;
777
	switch (optname) {
778 779 780 781 782
	case TARGET_SO_LINGER:
	case TARGET_SO_RCVTIMEO:
	case TARGET_SO_SNDTIMEO:
	case TARGET_SO_PEERCRED:
	case TARGET_SO_PEERNAME:
783 784 785
	    /* These don't just return a single integer */
	    goto unimplemented;
        default:
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786 787 788 789 790 791
            goto int_case;
        }
        break;
    case SOL_TCP:
        /* TCP options all take an 'int' value.  */
    int_case:
792
        len = tget32(optlen);
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793 794 795 796 797 798 799 800 801
        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;
802 803 804 805 806
        if (len == 4)
            tput32(optval, val);
        else
            tput8(optval, val);
        tput32(optlen, len);
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        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:
825
            len = tget32(optlen);
826 827 828 829 830 831
            if (len < 0)
                return -EINVAL;
            lv = sizeof(int);
            ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
            if (ret < 0)
                return ret;
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            if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
                len = 1;
834 835
                tput32(optlen, len);
                tput8(optval, val);
B
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            } else {
                if (len > sizeof(int))
                    len = sizeof(int);
839 840
                tput32(optlen, len);
                tput32(optval, val);
B
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            }
842
            break;
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843 844
        default:
            goto unimplemented;
845 846 847 848 849 850 851 852 853 854
        }
        break;
    default:
    unimplemented:
        gemu_log("getsockopt level=%d optname=%d not yet supported\n",
                 level, optname);
        ret = -ENOSYS;
        break;
    }
    return ret;
B
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}

857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887
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);
}

888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975
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;
}

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static long do_accept(int fd, target_ulong target_addr,
                      target_ulong target_addrlen)
{
    socklen_t addrlen = tget32(target_addrlen);
T
ths 已提交
980
    void *addr = alloca(addrlen);
P
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981 982 983 984 985 986 987 988 989 990 991 992 993 994
    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);
995
    void *addr = alloca(addrlen);
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996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009
    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);
1010
    void *addr = alloca(addrlen);
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1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082
    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;
}

1083
static long do_socketcall(int num, target_ulong vptr)
1084 1085
{
    long ret;
1086
    const int n = sizeof(target_ulong);
1087 1088 1089

    switch(num) {
    case SOCKOP_socket:
B
bellard 已提交
1090
	{
1091 1092 1093
            int domain = tgetl(vptr);
            int type = tgetl(vptr + n);
            int protocol = tgetl(vptr + 2 * n);
1094
            ret = do_socket(domain, type, protocol);
B
bellard 已提交
1095
	}
1096 1097
        break;
    case SOCKOP_bind:
B
bellard 已提交
1098
	{
1099 1100 1101
            int sockfd = tgetl(vptr);
            target_ulong target_addr = tgetl(vptr + n);
            socklen_t addrlen = tgetl(vptr + 2 * n);
1102
            ret = do_bind(sockfd, target_addr, addrlen);
B
bellard 已提交
1103
        }
1104 1105
        break;
    case SOCKOP_connect:
B
bellard 已提交
1106
        {
1107 1108 1109
            int sockfd = tgetl(vptr);
            target_ulong target_addr = tgetl(vptr + n);
            socklen_t addrlen = tgetl(vptr + 2 * n);
1110
            ret = do_connect(sockfd, target_addr, addrlen);
B
bellard 已提交
1111
        }
1112 1113
        break;
    case SOCKOP_listen:
B
bellard 已提交
1114
        {
1115 1116
            int sockfd = tgetl(vptr);
            int backlog = tgetl(vptr + n);
B
bellard 已提交
1117 1118
            ret = get_errno(listen(sockfd, backlog));
        }
1119 1120 1121
        break;
    case SOCKOP_accept:
        {
1122 1123 1124
            int sockfd = tgetl(vptr);
            target_ulong target_addr = tgetl(vptr + n);
            target_ulong target_addrlen = tgetl(vptr + 2 * n);
P
pbrook 已提交
1125
            ret = do_accept(sockfd, target_addr, target_addrlen);
1126 1127 1128 1129
        }
        break;
    case SOCKOP_getsockname:
        {
1130 1131 1132
            int sockfd = tgetl(vptr);
            target_ulong target_addr = tgetl(vptr + n);
            target_ulong target_addrlen = tgetl(vptr + 2 * n);
P
pbrook 已提交
1133
            ret = do_getsockname(sockfd, target_addr, target_addrlen);
1134 1135 1136 1137
        }
        break;
    case SOCKOP_getpeername:
        {
1138 1139 1140
            int sockfd = tgetl(vptr);
            target_ulong target_addr = tgetl(vptr + n);
            target_ulong target_addrlen = tgetl(vptr + 2 * n);
P
pbrook 已提交
1141
            ret = do_getpeername(sockfd, target_addr, target_addrlen);
1142 1143 1144 1145
        }
        break;
    case SOCKOP_socketpair:
        {
1146 1147 1148
            int domain = tgetl(vptr);
            int type = tgetl(vptr + n);
            int protocol = tgetl(vptr + 2 * n);
P
pbrook 已提交
1149 1150
            target_ulong tab = tgetl(vptr + 3 * n);
            ret = do_socketpair(domain, type, protocol, tab);
1151 1152 1153
        }
        break;
    case SOCKOP_send:
B
bellard 已提交
1154
        {
1155 1156 1157 1158
            int sockfd = tgetl(vptr);
            target_ulong msg = tgetl(vptr + n);
            size_t len = tgetl(vptr + 2 * n);
            int flags = tgetl(vptr + 3 * n);
P
pbrook 已提交
1159
            ret = do_sendto(sockfd, msg, len, flags, 0, 0);
B
bellard 已提交
1160
        }
1161 1162
        break;
    case SOCKOP_recv:
B
bellard 已提交
1163
        {
1164 1165 1166 1167
            int sockfd = tgetl(vptr);
            target_ulong msg = tgetl(vptr + n);
            size_t len = tgetl(vptr + 2 * n);
            int flags = tgetl(vptr + 3 * n);
P
pbrook 已提交
1168
            ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
B
bellard 已提交
1169
        }
1170 1171
        break;
    case SOCKOP_sendto:
B
bellard 已提交
1172
        {
1173 1174 1175 1176
            int sockfd = tgetl(vptr);
            target_ulong msg = tgetl(vptr + n);
            size_t len = tgetl(vptr + 2 * n);
            int flags = tgetl(vptr + 3 * n);
P
pbrook 已提交
1177
            target_ulong addr = tgetl(vptr + 4 * n);
1178
            socklen_t addrlen = tgetl(vptr + 5 * n);
P
pbrook 已提交
1179
            ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
B
bellard 已提交
1180
        }
1181 1182 1183
        break;
    case SOCKOP_recvfrom:
        {
1184 1185 1186 1187
            int sockfd = tgetl(vptr);
            target_ulong msg = tgetl(vptr + n);
            size_t len = tgetl(vptr + 2 * n);
            int flags = tgetl(vptr + 3 * n);
P
pbrook 已提交
1188 1189 1190
            target_ulong addr = tgetl(vptr + 4 * n);
            target_ulong addrlen = tgetl(vptr + 5 * n);
            ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1191 1192 1193
        }
        break;
    case SOCKOP_shutdown:
B
bellard 已提交
1194
        {
1195 1196
            int sockfd = tgetl(vptr);
            int how = tgetl(vptr + n);
B
bellard 已提交
1197 1198 1199

            ret = get_errno(shutdown(sockfd, how));
        }
1200 1201 1202
        break;
    case SOCKOP_sendmsg:
    case SOCKOP_recvmsg:
B
bellard 已提交
1203 1204
        {
            int fd;
1205
            target_ulong target_msg;
1206
            int flags;
B
bellard 已提交
1207

1208
            fd = tgetl(vptr);
1209
            target_msg = tgetl(vptr + n);
1210
            flags = tgetl(vptr + 2 * n);
1211 1212 1213

            ret = do_sendrecvmsg(fd, target_msg, flags, 
                                 (num == SOCKOP_sendmsg));
B
bellard 已提交
1214 1215
        }
        break;
1216
    case SOCKOP_setsockopt:
B
bellard 已提交
1217
        {
1218 1219 1220 1221 1222
            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);
B
bellard 已提交
1223 1224 1225 1226

            ret = do_setsockopt(sockfd, level, optname, optval, optlen);
        }
        break;
1227
    case SOCKOP_getsockopt:
B
bellard 已提交
1228
        {
1229 1230 1231 1232 1233
            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);
B
bellard 已提交
1234

1235
            ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
B
bellard 已提交
1236 1237
        }
        break;
1238 1239 1240 1241 1242 1243 1244 1245
    default:
        gemu_log("Unsupported socketcall: %d\n", num);
        ret = -ENOSYS;
        break;
    }
    return ret;
}

1246 1247 1248 1249 1250 1251 1252
#define N_SHM_REGIONS	32

static struct shm_region {
    uint32_t	start;
    uint32_t	size;
} shm_regions[N_SHM_REGIONS];

1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339
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);
}

1340 1341
union semun {
	int val;
1342
	struct semid_ds *buf;
1343 1344 1345
	unsigned short *array;
};

1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459
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;
}

T
ths 已提交
1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570
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;
}

1571
/* ??? This only works with linear mappings.  */
1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584
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) {
1585 1586 1587 1588 1589 1590 1591 1592 1593
    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:
1594
        ret = do_semctl(first, second, third, ptr);
1595 1596 1597 1598 1599 1600
        break;

    case IPCOP_semtimedop:
        gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
        ret = -ENOSYS;
        break;
1601 1602 1603 1604 1605 1606

	case IPCOP_msgget:
		ret = get_errno(msgget(first, second));
		break;

	case IPCOP_msgsnd:
T
ths 已提交
1607
		ret = do_msgsnd(first, ptr, second, third);
1608 1609 1610
		break;

	case IPCOP_msgctl:
T
ths 已提交
1611
        	ret = do_msgctl(first, second, ptr);
1612 1613 1614
		break;

	case IPCOP_msgrcv:
T
ths 已提交
1615 1616 1617 1618 1619 1620
                {
                      struct ipc_kludge
                      {
                              void *__unbounded msgp;
                              long int msgtyp;
                      };
1621

T
ths 已提交
1622 1623
                      struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
                      struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1624

T
ths 已提交
1625
                      ret = do_msgrcv(first, (long)msgp, second, 0, third);
1626

T
ths 已提交
1627
                }
1628 1629
		break;

1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694
    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;
}

1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712
/* 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 {
1713 1714
    unsigned int target_cmd;
    unsigned int host_cmd;
1715 1716
    const char *name;
    int access;
B
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1717
    const argtype arg_type[5];
1718 1719 1720 1721 1722 1723 1724 1725
} IOCTLEntry;

#define IOC_R 0x0001
#define IOC_W 0x0002
#define IOC_RW (IOC_R | IOC_W)

#define MAX_STRUCT_SIZE 4096

1726
IOCTLEntry ioctl_entries[] = {
1727 1728 1729 1730 1731 1732
#define IOCTL(cmd, access, types...) \
    { TARGET_ ## cmd, cmd, #cmd, access, { types } },
#include "ioctls.h"
    { 0, 0, },
};

1733
/* ??? Implement proper locking for ioctls.  */
1734 1735 1736 1737 1738 1739
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];
1740 1741
    int target_size;
    void *argptr;
1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753

    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;
B
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1754
#if defined(DEBUG)
B
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1755 1756
    gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
#endif
1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768
    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++;
1769
        target_size = thunk_type_size(arg_type, 0);
1770 1771 1772 1773
        switch(ie->access) {
        case IOC_R:
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
            if (!is_error(ret)) {
1774 1775 1776
                argptr = lock_user(arg, target_size, 0);
                thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
                unlock_user(argptr, arg, target_size);
1777 1778 1779
            }
            break;
        case IOC_W:
1780 1781 1782
            argptr = lock_user(arg, target_size, 1);
            thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
            unlock_user(argptr, arg, 0);
1783 1784 1785 1786
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
            break;
        default:
        case IOC_RW:
1787 1788 1789
            argptr = lock_user(arg, target_size, 1);
            thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
            unlock_user(argptr, arg, 0);
1790 1791
            ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
            if (!is_error(ret)) {
1792 1793 1794
                argptr = lock_user(arg, target_size, 0);
                thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
                unlock_user(argptr, arg, target_size);
1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980
            }
            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) },
};

B
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1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992
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 }
};

B
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1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
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, },
B
bellard 已提交
2007
#if defined(O_DIRECT)
B
bellard 已提交
2008
	{ TARGET_O_DIRECT,    TARGET_O_DIRECT,    O_DIRECT,    O_DIRECT,    },
B
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2009
#endif
B
bellard 已提交
2010 2011 2012
	{ 0, 0, 0, 0 }
};

2013
#if defined(TARGET_I386)
B
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2014 2015 2016 2017

/* NOTE: there is really one LDT for all the threads */
uint8_t *ldt_table;

2018
static int read_ldt(target_ulong ptr, unsigned long bytecount)
B
bellard 已提交
2019 2020
{
    int size;
2021
    void *p;
B
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2022 2023 2024 2025 2026 2027

    if (!ldt_table)
        return 0;
    size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
    if (size > bytecount)
        size = bytecount;
2028 2029 2030 2031
    p = lock_user(ptr, size, 0);
    /* ??? Shoudl this by byteswapped?  */
    memcpy(p, ldt_table, size);
    unlock_user(p, ptr, size);
B
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2032 2033 2034 2035 2036
    return size;
}

/* XXX: add locking support */
static int write_ldt(CPUX86State *env, 
2037
                     target_ulong ptr, unsigned long bytecount, int oldmode)
B
bellard 已提交
2038 2039
{
    struct target_modify_ldt_ldt_s ldt_info;
2040
    struct target_modify_ldt_ldt_s *target_ldt_info;
B
bellard 已提交
2041 2042 2043 2044 2045 2046
    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;
2047 2048 2049 2050 2051 2052
    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);
B
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    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);
2075
        env->ldt.base = h2g(ldt_table);
B
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2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107
        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);
B
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2108

B
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2109 2110 2111 2112 2113 2114 2115 2116 2117
    /* 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 */
2118
int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
B
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2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134
{
    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;
}
B
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2135

2136 2137
#endif /* defined(TARGET_I386) */

B
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2138 2139 2140 2141 2142 2143
/* 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)
{
2144
    CPUState *env = arg;
B
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2145 2146 2147 2148 2149
    cpu_loop(env);
    /* never exits */
    return 0;
}

2150
int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
B
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2151 2152
{
    int ret;
B
bellard 已提交
2153
    TaskState *ts;
B
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2154
    uint8_t *new_stack;
2155
    CPUState *new_env;
B
bellard 已提交
2156 2157
    
    if (flags & CLONE_VM) {
B
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2158 2159 2160 2161 2162 2163 2164
        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;
B
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2165
        /* we create a new CPU instance. */
2166
        new_env = cpu_copy(env);
2167 2168 2169
#if defined(TARGET_I386)
        if (!newsp)
            newsp = env->regs[R_ESP];
B
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2170 2171
        new_env->regs[R_ESP] = newsp;
        new_env->regs[R_EAX] = 0;
2172 2173 2174 2175 2176
#elif defined(TARGET_ARM)
        if (!newsp)
            newsp = env->regs[13];
        new_env->regs[13] = newsp;
        new_env->regs[0] = 0;
2177
#elif defined(TARGET_SPARC)
B
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2178 2179 2180 2181 2182
        if (!newsp)
            newsp = env->regwptr[22];
        new_env->regwptr[22] = newsp;
        new_env->regwptr[0] = 0;
	/* XXXXX */
2183
        printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
P
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2184 2185 2186 2187 2188 2189
#elif defined(TARGET_M68K)
        if (!newsp)
            newsp = env->aregs[7];
        new_env->aregs[7] = newsp;
        new_env->dregs[0] = 0;
        /* ??? is this sufficient?  */
B
bellard 已提交
2190
#elif defined(TARGET_MIPS)
T
ths 已提交
2191
        if (!newsp)
2192 2193
            newsp = env->gpr[29][env->current_tc];
        new_env->gpr[29][env->current_tc] = newsp;
2194 2195 2196 2197 2198 2199 2200 2201 2202
#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;
        }
B
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2203 2204 2205 2206 2207
#elif defined(TARGET_SH4)
	if (!newsp)
	  newsp = env->gregs[15];
	new_env->gregs[15] = newsp;
	/* XXXXX */
2208 2209 2210 2211 2212 2213 2214 2215 2216 2217
#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;
        }
2218 2219 2220
#else
#error unsupported target CPU
#endif
B
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2221
        new_env->opaque = ts;
2222
#ifdef __ia64__
B
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2223
        ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2224 2225 2226
#else
	ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
#endif
B
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2227 2228 2229 2230 2231 2232 2233 2234 2235
    } else {
        /* if no CLONE_VM, we consider it is a fork */
        if ((flags & ~CSIGNAL) != 0)
            return -EINVAL;
        ret = fork();
    }
    return ret;
}

2236
static long do_fcntl(int fd, int cmd, target_ulong arg)
B
bellard 已提交
2237 2238
{
    struct flock fl;
2239
    struct target_flock *target_fl;
2240 2241
    struct flock64 fl64;
    struct target_flock64 *target_fl64;
B
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2242
    long ret;
2243

B
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2244 2245
    switch(cmd) {
    case TARGET_F_GETLK:
T
ths 已提交
2246 2247 2248 2249 2250 2251 2252
        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);
B
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2253 2254
        ret = fcntl(fd, cmd, &fl);
        if (ret == 0) {
2255
            lock_user_struct(target_fl, arg, 0);
B
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2256 2257 2258 2259 2260
            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);
2261
            unlock_user_struct(target_fl, arg, 1);
B
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2262 2263 2264 2265 2266
        }
        break;
        
    case TARGET_F_SETLK:
    case TARGET_F_SETLKW:
2267
        lock_user_struct(target_fl, arg, 1);
B
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2268 2269 2270 2271 2272
        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);
2273
        unlock_user_struct(target_fl, arg, 0);
B
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2274 2275 2276 2277
        ret = fcntl(fd, cmd, &fl);
        break;
        
    case TARGET_F_GETLK64:
T
ths 已提交
2278 2279 2280 2281 2282 2283 2284
        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);
2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295
        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;
B
bellard 已提交
2296 2297
    case TARGET_F_SETLK64:
    case TARGET_F_SETLKW64:
2298 2299 2300 2301 2302 2303 2304 2305
        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);
B
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2306 2307
        break;

B
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2308 2309 2310 2311 2312 2313 2314 2315 2316
    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;

B
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2317 2318 2319 2320 2321 2322 2323
    default:
        ret = fcntl(fd, cmd, arg);
        break;
    }
    return ret;
}

2324
#ifdef USE_UID16
B
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2325

2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358
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 */
B
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2359

2360 2361
void syscall_init(void)
{
2362 2363 2364 2365
    IOCTLEntry *ie;
    const argtype *arg_type;
    int size;

2366 2367 2368 2369 2370
#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
2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398

    /* 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++;
    }
2399
}
B
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2400

P
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2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439
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

2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461
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);
}

B
bellard 已提交
2462
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, 
2463 2464 2465 2466
                long arg4, long arg5, long arg6)
{
    long ret;
    struct stat st;
B
bellard 已提交
2467
    struct statfs stfs;
2468
    void *p;
2469
    
B
bellard 已提交
2470
#ifdef DEBUG
B
bellard 已提交
2471
    gemu_log("syscall %d", num);
B
bellard 已提交
2472
#endif
2473 2474
    switch(num) {
    case TARGET_NR_exit:
B
bellard 已提交
2475 2476 2477
#ifdef HAVE_GPROF
        _mcleanup();
#endif
2478
        gdb_exit(cpu_env, arg1);
B
bellard 已提交
2479
        /* XXX: should free thread stack and CPU env */
2480 2481 2482 2483
        _exit(arg1);
        ret = 0; /* avoid warning */
        break;
    case TARGET_NR_read:
2484 2485 2486 2487
        page_unprotect_range(arg2, arg3);
        p = lock_user(arg2, arg3, 0);
        ret = get_errno(read(arg1, p, arg3));
        unlock_user(p, arg2, ret);
2488 2489
        break;
    case TARGET_NR_write:
2490 2491 2492
        p = lock_user(arg2, arg3, 1);
        ret = get_errno(write(arg1, p, arg3));
        unlock_user(p, arg2, 0);
2493 2494
        break;
    case TARGET_NR_open:
2495 2496
        p = lock_user_string(arg1);
        ret = get_errno(open(path(p),
B
bellard 已提交
2497 2498
                             target_to_host_bitmask(arg2, fcntl_flags_tbl),
                             arg3));
2499
        unlock_user(p, arg1, 0);
2500 2501 2502 2503 2504
        break;
    case TARGET_NR_close:
        ret = get_errno(close(arg1));
        break;
    case TARGET_NR_brk:
2505
        ret = do_brk(arg1);
2506 2507
        break;
    case TARGET_NR_fork:
B
bellard 已提交
2508
        ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
2509
        break;
2510
#ifdef TARGET_NR_waitpid
2511 2512
    case TARGET_NR_waitpid:
        {
2513 2514 2515 2516
            int status;
            ret = get_errno(waitpid(arg1, &status, arg3));
            if (!is_error(ret) && arg2)
                tput32(arg2, status);
2517 2518
        }
        break;
2519
#endif
2520
#ifdef TARGET_NR_creat /* not on alpha */
2521
    case TARGET_NR_creat:
2522 2523 2524
        p = lock_user_string(arg1);
        ret = get_errno(creat(p, arg2));
        unlock_user(p, arg1, 0);
2525
        break;
2526
#endif
2527
    case TARGET_NR_link:
2528 2529 2530 2531 2532 2533 2534 2535
        {
            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);
        }
2536 2537
        break;
    case TARGET_NR_unlink:
2538 2539 2540
        p = lock_user_string(arg1);
        ret = get_errno(unlink(p));
        unlock_user(p, arg1, 0);
2541 2542
        break;
    case TARGET_NR_execve:
B
bellard 已提交
2543 2544
        {
            char **argp, **envp;
B
bellard 已提交
2545
            int argc, envc;
2546 2547 2548 2549
            target_ulong gp;
            target_ulong guest_argp;
            target_ulong guest_envp;
            target_ulong addr;
B
bellard 已提交
2550 2551
            char **q;

B
bellard 已提交
2552
            argc = 0;
2553 2554
            guest_argp = arg2;
            for (gp = guest_argp; tgetl(gp); gp++)
B
bellard 已提交
2555
                argc++;
B
bellard 已提交
2556
            envc = 0;
2557 2558
            guest_envp = arg3;
            for (gp = guest_envp; tgetl(gp); gp++)
B
bellard 已提交
2559 2560
                envc++;

B
bellard 已提交
2561 2562
            argp = alloca((argc + 1) * sizeof(void *));
            envp = alloca((envc + 1) * sizeof(void *));
B
bellard 已提交
2563

2564 2565 2566 2567 2568 2569 2570
            for (gp = guest_argp, q = argp; ;
                  gp += sizeof(target_ulong), q++) {
                addr = tgetl(gp);
                if (!addr)
                    break;
                *q = lock_user_string(addr);
            }
B
bellard 已提交
2571 2572
            *q = NULL;

2573 2574 2575 2576 2577 2578 2579
            for (gp = guest_envp, q = envp; ;
                  gp += sizeof(target_ulong), q++) {
                addr = tgetl(gp);
                if (!addr)
                    break;
                *q = lock_user_string(addr);
            }
B
bellard 已提交
2580
            *q = NULL;
B
bellard 已提交
2581

2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595
            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);
            }
B
bellard 已提交
2596
        }
2597 2598
        break;
    case TARGET_NR_chdir:
2599 2600 2601
        p = lock_user_string(arg1);
        ret = get_errno(chdir(p));
        unlock_user(p, arg1, 0);
2602
        break;
B
bellard 已提交
2603
#ifdef TARGET_NR_time
2604 2605
    case TARGET_NR_time:
        {
2606 2607 2608 2609
            time_t host_time;
            ret = get_errno(time(&host_time));
            if (!is_error(ret) && arg1)
                tputl(arg1, host_time);
2610 2611
        }
        break;
B
bellard 已提交
2612
#endif
2613
    case TARGET_NR_mknod:
2614 2615 2616
        p = lock_user_string(arg1);
        ret = get_errno(mknod(p, arg2, arg3));
        unlock_user(p, arg1, 0);
2617 2618
        break;
    case TARGET_NR_chmod:
2619 2620 2621
        p = lock_user_string(arg1);
        ret = get_errno(chmod(p, arg2));
        unlock_user(p, arg1, 0);
2622
        break;
2623
#ifdef TARGET_NR_break
2624 2625
    case TARGET_NR_break:
        goto unimplemented;
2626 2627
#endif
#ifdef TARGET_NR_oldstat
2628 2629
    case TARGET_NR_oldstat:
        goto unimplemented;
2630
#endif
2631 2632 2633
    case TARGET_NR_lseek:
        ret = get_errno(lseek(arg1, arg2, arg3));
        break;
2634 2635 2636
#ifdef TARGET_NR_getxpid
    case TARGET_NR_getxpid:
#else
2637
    case TARGET_NR_getpid:
2638
#endif
2639 2640 2641
        ret = get_errno(getpid());
        break;
    case TARGET_NR_mount:
2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653
		{
			/* 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;
		}
2654
#ifdef TARGET_NR_umount
2655
    case TARGET_NR_umount:
2656 2657 2658
        p = lock_user_string(arg1);
        ret = get_errno(umount(p));
        unlock_user(p, arg1, 0);
2659
        break;
2660
#endif
2661
#ifdef TARGET_NR_stime /* not on alpha */
2662 2663
    case TARGET_NR_stime:
        {
2664 2665 2666
            time_t host_time;
            host_time = tgetl(arg1);
            ret = get_errno(stime(&host_time));
2667 2668
        }
        break;
2669
#endif
2670 2671
    case TARGET_NR_ptrace:
        goto unimplemented;
2672
#ifdef TARGET_NR_alarm /* not on alpha */
2673 2674 2675
    case TARGET_NR_alarm:
        ret = alarm(arg1);
        break;
2676
#endif
2677
#ifdef TARGET_NR_oldfstat
2678 2679
    case TARGET_NR_oldfstat:
        goto unimplemented;
2680
#endif
2681
#ifdef TARGET_NR_pause /* not on alpha */
2682 2683 2684
    case TARGET_NR_pause:
        ret = get_errno(pause());
        break;
2685
#endif
2686
#ifdef TARGET_NR_utime
2687
    case TARGET_NR_utime:
2688
        {
2689 2690 2691 2692 2693 2694 2695 2696
            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;
B
bellard 已提交
2697
            } else {
2698
                host_tbuf = NULL;
B
bellard 已提交
2699
            }
2700 2701 2702
            p = lock_user_string(arg1);
            ret = get_errno(utime(p, host_tbuf));
            unlock_user(p, arg1, 0);
2703 2704
        }
        break;
2705
#endif
B
bellard 已提交
2706 2707 2708
    case TARGET_NR_utimes:
        {
            struct timeval *tvp, tv[2];
2709 2710 2711 2712
            if (arg2) {
                target_to_host_timeval(&tv[0], arg2);
                target_to_host_timeval(&tv[1],
                    arg2 + sizeof (struct target_timeval));
B
bellard 已提交
2713 2714 2715 2716
                tvp = tv;
            } else {
                tvp = NULL;
            }
2717 2718 2719
            p = lock_user_string(arg1);
            ret = get_errno(utimes(p, tvp));
            unlock_user(p, arg1, 0);
B
bellard 已提交
2720 2721
        }
        break;
2722
#ifdef TARGET_NR_stty
2723 2724
    case TARGET_NR_stty:
        goto unimplemented;
2725 2726
#endif
#ifdef TARGET_NR_gtty
2727 2728
    case TARGET_NR_gtty:
        goto unimplemented;
2729
#endif
2730
    case TARGET_NR_access:
2731 2732 2733
        p = lock_user_string(arg1);
        ret = get_errno(access(p, arg2));
        unlock_user(p, arg1, 0);
2734
        break;
2735
#ifdef TARGET_NR_nice /* not on alpha */
2736 2737 2738
    case TARGET_NR_nice:
        ret = get_errno(nice(arg1));
        break;
2739
#endif
2740
#ifdef TARGET_NR_ftime
2741 2742
    case TARGET_NR_ftime:
        goto unimplemented;
2743
#endif
2744
    case TARGET_NR_sync:
B
bellard 已提交
2745 2746
        sync();
        ret = 0;
2747 2748 2749 2750 2751
        break;
    case TARGET_NR_kill:
        ret = get_errno(kill(arg1, arg2));
        break;
    case TARGET_NR_rename:
2752 2753 2754 2755 2756 2757 2758 2759
        {
            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);
        }
2760 2761
        break;
    case TARGET_NR_mkdir:
2762 2763 2764
        p = lock_user_string(arg1);
        ret = get_errno(mkdir(p, arg2));
        unlock_user(p, arg1, 0);
2765 2766
        break;
    case TARGET_NR_rmdir:
2767 2768 2769
        p = lock_user_string(arg1);
        ret = get_errno(rmdir(p));
        unlock_user(p, arg1, 0);
2770 2771 2772 2773 2774 2775
        break;
    case TARGET_NR_dup:
        ret = get_errno(dup(arg1));
        break;
    case TARGET_NR_pipe:
        {
2776 2777
            int host_pipe[2];
            ret = get_errno(pipe(host_pipe));
2778
            if (!is_error(ret)) {
2779
#if defined(TARGET_MIPS)
2780 2781
                CPUMIPSState *env = (CPUMIPSState*)cpu_env;
		env->gpr[3][env->current_tc] = host_pipe[1];
2782 2783
		ret = host_pipe[0];
#else
2784 2785
                tput32(arg1, host_pipe[0]);
                tput32(arg1 + 4, host_pipe[1]);
2786
#endif
2787 2788 2789 2790
            }
        }
        break;
    case TARGET_NR_times:
B
bellard 已提交
2791
        {
2792
            struct target_tms *tmsp;
B
bellard 已提交
2793 2794
            struct tms tms;
            ret = get_errno(times(&tms));
2795 2796
            if (arg1) {
                tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
B
bellard 已提交
2797 2798 2799 2800
                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));
B
bellard 已提交
2801
            }
B
bellard 已提交
2802 2803
            if (!is_error(ret))
                ret = host_to_target_clock_t(ret);
B
bellard 已提交
2804 2805
        }
        break;
2806
#ifdef TARGET_NR_prof
2807 2808
    case TARGET_NR_prof:
        goto unimplemented;
2809
#endif
2810
#ifdef TARGET_NR_signal
2811 2812
    case TARGET_NR_signal:
        goto unimplemented;
2813
#endif
2814
    case TARGET_NR_acct:
2815 2816 2817 2818
        p = lock_user_string(arg1);
        ret = get_errno(acct(path(p)));
        unlock_user(p, arg1, 0);
        break;
2819
#ifdef TARGET_NR_umount2 /* not on alpha */
2820
    case TARGET_NR_umount2:
2821 2822 2823
        p = lock_user_string(arg1);
        ret = get_errno(umount2(p, arg2));
        unlock_user(p, arg1, 0);
2824
        break;
2825
#endif
2826
#ifdef TARGET_NR_lock
2827 2828
    case TARGET_NR_lock:
        goto unimplemented;
2829
#endif
2830 2831 2832 2833
    case TARGET_NR_ioctl:
        ret = do_ioctl(arg1, arg2, arg3);
        break;
    case TARGET_NR_fcntl:
B
bellard 已提交
2834
        ret = get_errno(do_fcntl(arg1, arg2, arg3));
2835
        break;
2836
#ifdef TARGET_NR_mpx
2837 2838
    case TARGET_NR_mpx:
        goto unimplemented;
2839
#endif
2840 2841 2842
    case TARGET_NR_setpgid:
        ret = get_errno(setpgid(arg1, arg2));
        break;
2843
#ifdef TARGET_NR_ulimit
2844 2845
    case TARGET_NR_ulimit:
        goto unimplemented;
2846 2847
#endif
#ifdef TARGET_NR_oldolduname
2848 2849
    case TARGET_NR_oldolduname:
        goto unimplemented;
2850
#endif
2851 2852 2853 2854
    case TARGET_NR_umask:
        ret = get_errno(umask(arg1));
        break;
    case TARGET_NR_chroot:
2855 2856 2857
        p = lock_user_string(arg1);
        ret = get_errno(chroot(p));
        unlock_user(p, arg1, 0);
2858 2859 2860 2861 2862 2863
        break;
    case TARGET_NR_ustat:
        goto unimplemented;
    case TARGET_NR_dup2:
        ret = get_errno(dup2(arg1, arg2));
        break;
2864
#ifdef TARGET_NR_getppid /* not on alpha */
2865 2866 2867
    case TARGET_NR_getppid:
        ret = get_errno(getppid());
        break;
2868
#endif
2869 2870 2871 2872 2873 2874
    case TARGET_NR_getpgrp:
        ret = get_errno(getpgrp());
        break;
    case TARGET_NR_setsid:
        ret = get_errno(setsid());
        break;
2875
#ifdef TARGET_NR_sigaction
2876 2877
    case TARGET_NR_sigaction:
        {
T
ths 已提交
2878
#if !defined(TARGET_MIPS)
2879
            struct target_old_sigaction *old_act;
B
bellard 已提交
2880
            struct target_sigaction act, oact, *pact;
2881 2882
            if (arg2) {
                lock_user_struct(old_act, arg2, 1);
B
bellard 已提交
2883 2884 2885 2886
                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;
2887
                unlock_user_struct(old_act, arg2, 0);
B
bellard 已提交
2888 2889 2890 2891 2892
                pact = &act;
            } else {
                pact = NULL;
            }
            ret = get_errno(do_sigaction(arg1, pact, &oact));
2893 2894 2895 2896 2897 2898 2899
            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);
B
bellard 已提交
2900
            }
T
ths 已提交
2901
#else
2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926
	    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);
	    }
T
ths 已提交
2927
#endif
2928 2929
        }
        break;
2930
#endif
B
bellard 已提交
2931
    case TARGET_NR_rt_sigaction:
2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949
        {
            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);
        }
B
bellard 已提交
2950
        break;
2951
#ifdef TARGET_NR_sgetmask /* not on alpha */
2952
    case TARGET_NR_sgetmask:
B
bellard 已提交
2953 2954 2955 2956 2957 2958 2959 2960
        {
            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;
2961 2962
#endif
#ifdef TARGET_NR_ssetmask /* not on alpha */
2963
    case TARGET_NR_ssetmask:
B
bellard 已提交
2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974
        {
            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;
2975
#endif
2976
#ifdef TARGET_NR_sigprocmask
B
bellard 已提交
2977 2978 2979 2980 2981
    case TARGET_NR_sigprocmask:
        {
            int how = arg1;
            sigset_t set, oldset, *set_ptr;
            
2982
            if (arg2) {
B
bellard 已提交
2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996
                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;
                }
2997 2998 2999
                p = lock_user(arg2, sizeof(target_sigset_t), 1);
                target_to_host_old_sigset(&set, p);
                unlock_user(p, arg2, 0);
B
bellard 已提交
3000 3001 3002 3003 3004 3005
                set_ptr = &set;
            } else {
                how = 0;
                set_ptr = NULL;
            }
            ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
3006 3007 3008 3009
            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));
B
bellard 已提交
3010 3011 3012
            }
        }
        break;
3013
#endif
B
bellard 已提交
3014 3015 3016 3017 3018
    case TARGET_NR_rt_sigprocmask:
        {
            int how = arg1;
            sigset_t set, oldset, *set_ptr;
            
3019
            if (arg2) {
B
bellard 已提交
3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033
                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;
                }
3034 3035 3036
                p = lock_user(arg2, sizeof(target_sigset_t), 1);
                target_to_host_sigset(&set, p);
                unlock_user(p, arg2, 0);
B
bellard 已提交
3037 3038 3039 3040 3041 3042
                set_ptr = &set;
            } else {
                how = 0;
                set_ptr = NULL;
            }
            ret = get_errno(sigprocmask(how, set_ptr, &oldset));
3043 3044 3045 3046
            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));
B
bellard 已提交
3047 3048 3049
            }
        }
        break;
3050
#ifdef TARGET_NR_sigpending
B
bellard 已提交
3051 3052 3053 3054 3055
    case TARGET_NR_sigpending:
        {
            sigset_t set;
            ret = get_errno(sigpending(&set));
            if (!is_error(ret)) {
3056 3057 3058
                p = lock_user(arg1, sizeof(target_sigset_t), 0);
                host_to_target_old_sigset(p, &set);
                unlock_user(p, arg1, sizeof(target_sigset_t));
B
bellard 已提交
3059 3060 3061
            }
        }
        break;
3062
#endif
B
bellard 已提交
3063 3064 3065 3066 3067
    case TARGET_NR_rt_sigpending:
        {
            sigset_t set;
            ret = get_errno(sigpending(&set));
            if (!is_error(ret)) {
3068 3069 3070
                p = lock_user(arg1, sizeof(target_sigset_t), 0);
                host_to_target_sigset(p, &set);
                unlock_user(p, arg1, sizeof(target_sigset_t));
B
bellard 已提交
3071 3072 3073
            }
        }
        break;
3074
#ifdef TARGET_NR_sigsuspend
B
bellard 已提交
3075 3076 3077
    case TARGET_NR_sigsuspend:
        {
            sigset_t set;
3078 3079 3080
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
            target_to_host_old_sigset(&set, p);
            unlock_user(p, arg1, 0);
B
bellard 已提交
3081 3082 3083
            ret = get_errno(sigsuspend(&set));
        }
        break;
3084
#endif
B
bellard 已提交
3085 3086 3087
    case TARGET_NR_rt_sigsuspend:
        {
            sigset_t set;
3088 3089 3090
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
            target_to_host_sigset(&set, p);
            unlock_user(p, arg1, 0);
B
bellard 已提交
3091 3092 3093 3094 3095 3096 3097 3098 3099
            ret = get_errno(sigsuspend(&set));
        }
        break;
    case TARGET_NR_rt_sigtimedwait:
        {
            sigset_t set;
            struct timespec uts, *puts;
            siginfo_t uinfo;
            
3100 3101 3102 3103
            p = lock_user(arg1, sizeof(target_sigset_t), 1);
            target_to_host_sigset(&set, p);
            unlock_user(p, arg1, 0);
            if (arg3) {
B
bellard 已提交
3104
                puts = &uts;
3105
                target_to_host_timespec(puts, arg3);
B
bellard 已提交
3106 3107 3108 3109
            } else {
                puts = NULL;
            }
            ret = get_errno(sigtimedwait(&set, &uinfo, puts));
3110 3111 3112 3113
            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));
B
bellard 已提交
3114 3115 3116 3117 3118 3119
            }
        }
        break;
    case TARGET_NR_rt_sigqueueinfo:
        {
            siginfo_t uinfo;
3120 3121 3122
            p = lock_user(arg3, sizeof(target_sigset_t), 1);
            target_to_host_siginfo(&uinfo, p);
            unlock_user(p, arg1, 0);
B
bellard 已提交
3123 3124 3125
            ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
        }
        break;
3126
#ifdef TARGET_NR_sigreturn
B
bellard 已提交
3127 3128 3129 3130
    case TARGET_NR_sigreturn:
        /* NOTE: ret is eax, so not transcoding must be done */
        ret = do_sigreturn(cpu_env);
        break;
3131
#endif
B
bellard 已提交
3132 3133 3134 3135
    case TARGET_NR_rt_sigreturn:
        /* NOTE: ret is eax, so not transcoding must be done */
        ret = do_rt_sigreturn(cpu_env);
        break;
3136
    case TARGET_NR_sethostname:
3137 3138 3139
        p = lock_user_string(arg1);
        ret = get_errno(sethostname(p, arg2));
        unlock_user(p, arg1, 0);
3140 3141
        break;
    case TARGET_NR_setrlimit:
B
bellard 已提交
3142 3143 3144
        {
            /* XXX: convert resource ? */
            int resource = arg1;
3145
            struct target_rlimit *target_rlim;
B
bellard 已提交
3146
            struct rlimit rlim;
3147
            lock_user_struct(target_rlim, arg2, 1);
B
bellard 已提交
3148 3149
            rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
            rlim.rlim_max = tswapl(target_rlim->rlim_max);
3150
            unlock_user_struct(target_rlim, arg2, 0);
B
bellard 已提交
3151 3152 3153
            ret = get_errno(setrlimit(resource, &rlim));
        }
        break;
3154
    case TARGET_NR_getrlimit:
B
bellard 已提交
3155 3156 3157
        {
            /* XXX: convert resource ? */
            int resource = arg1;
3158
            struct target_rlimit *target_rlim;
B
bellard 已提交
3159 3160 3161 3162
            struct rlimit rlim;
            
            ret = get_errno(getrlimit(resource, &rlim));
            if (!is_error(ret)) {
3163 3164 3165 3166
                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);
B
bellard 已提交
3167 3168 3169
            }
        }
        break;
3170
    case TARGET_NR_getrusage:
B
bellard 已提交
3171 3172 3173 3174
        {
            struct rusage rusage;
            ret = get_errno(getrusage(arg1, &rusage));
            if (!is_error(ret)) {
3175
                host_to_target_rusage(arg2, &rusage);
B
bellard 已提交
3176 3177 3178
            }
        }
        break;
3179 3180 3181 3182 3183
    case TARGET_NR_gettimeofday:
        {
            struct timeval tv;
            ret = get_errno(gettimeofday(&tv, NULL));
            if (!is_error(ret)) {
3184
                host_to_target_timeval(arg1, &tv);
3185 3186 3187 3188 3189 3190
            }
        }
        break;
    case TARGET_NR_settimeofday:
        {
            struct timeval tv;
3191
            target_to_host_timeval(&tv, arg1);
3192 3193 3194
            ret = get_errno(settimeofday(&tv, NULL));
        }
        break;
B
bellard 已提交
3195
#ifdef TARGET_NR_select
3196
    case TARGET_NR_select:
B
bellard 已提交
3197
        {
3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209
            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);
B
bellard 已提交
3210 3211
        }
        break;
B
bellard 已提交
3212
#endif
3213
    case TARGET_NR_symlink:
3214 3215 3216 3217 3218 3219 3220 3221
        {
            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);
        }
3222
        break;
3223
#ifdef TARGET_NR_oldlstat
3224 3225
    case TARGET_NR_oldlstat:
        goto unimplemented;
3226
#endif
3227
    case TARGET_NR_readlink:
3228 3229 3230 3231 3232 3233 3234 3235
        {
            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);
        }
3236
        break;
3237
#ifdef TARGET_NR_uselib
3238 3239
    case TARGET_NR_uselib:
        goto unimplemented;
3240 3241
#endif
#ifdef TARGET_NR_swapon
3242
    case TARGET_NR_swapon:
3243 3244 3245
        p = lock_user_string(arg1);
        ret = get_errno(swapon(p, arg2));
        unlock_user(p, arg1, 0);
3246
        break;
3247
#endif
3248 3249
    case TARGET_NR_reboot:
        goto unimplemented;
3250
#ifdef TARGET_NR_readdir
3251 3252
    case TARGET_NR_readdir:
        goto unimplemented;
3253 3254
#endif
#ifdef TARGET_NR_mmap
3255
    case TARGET_NR_mmap:
P
pbrook 已提交
3256
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
3257
        {
3258 3259 3260 3261 3262 3263 3264 3265 3266 3267
            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);
B
bellard 已提交
3268 3269 3270
            ret = get_errno(target_mmap(v1, v2, v3, 
                                        target_to_host_bitmask(v4, mmap_flags_tbl),
                                        v5, v6));
3271 3272
        }
#else
B
bellard 已提交
3273 3274 3275 3276
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
                                    arg5,
                                    arg6));
3277
#endif
B
bellard 已提交
3278
        break;
3279
#endif
B
bellard 已提交
3280
#ifdef TARGET_NR_mmap2
B
bellard 已提交
3281
    case TARGET_NR_mmap2:
T
ths 已提交
3282
#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
B
bellard 已提交
3283 3284 3285 3286
#define MMAP_SHIFT 12
#else
#define MMAP_SHIFT TARGET_PAGE_BITS
#endif
B
bellard 已提交
3287 3288 3289
        ret = get_errno(target_mmap(arg1, arg2, arg3, 
                                    target_to_host_bitmask(arg4, mmap_flags_tbl), 
                                    arg5,
B
bellard 已提交
3290
                                    arg6 << MMAP_SHIFT));
3291
        break;
B
bellard 已提交
3292
#endif
3293
    case TARGET_NR_munmap:
B
bellard 已提交
3294
        ret = get_errno(target_munmap(arg1, arg2));
3295
        break;
B
bellard 已提交
3296
    case TARGET_NR_mprotect:
B
bellard 已提交
3297
        ret = get_errno(target_mprotect(arg1, arg2, arg3));
B
bellard 已提交
3298
        break;
3299
#ifdef TARGET_NR_mremap
B
bellard 已提交
3300
    case TARGET_NR_mremap:
B
bellard 已提交
3301
        ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
B
bellard 已提交
3302
        break;
3303
#endif
3304
        /* ??? msync/mlock/munlock are broken for softmmu.  */
3305
#ifdef TARGET_NR_msync
B
bellard 已提交
3306
    case TARGET_NR_msync:
3307
        ret = get_errno(msync(g2h(arg1), arg2, arg3));
B
bellard 已提交
3308
        break;
3309 3310
#endif
#ifdef TARGET_NR_mlock
B
bellard 已提交
3311
    case TARGET_NR_mlock:
3312
        ret = get_errno(mlock(g2h(arg1), arg2));
B
bellard 已提交
3313
        break;
3314 3315
#endif
#ifdef TARGET_NR_munlock
B
bellard 已提交
3316
    case TARGET_NR_munlock:
3317
        ret = get_errno(munlock(g2h(arg1), arg2));
B
bellard 已提交
3318
        break;
3319 3320
#endif
#ifdef TARGET_NR_mlockall
B
bellard 已提交
3321 3322 3323
    case TARGET_NR_mlockall:
        ret = get_errno(mlockall(arg1));
        break;
3324 3325
#endif
#ifdef TARGET_NR_munlockall
B
bellard 已提交
3326 3327 3328
    case TARGET_NR_munlockall:
        ret = get_errno(munlockall());
        break;
3329
#endif
3330
    case TARGET_NR_truncate:
3331 3332 3333
        p = lock_user_string(arg1);
        ret = get_errno(truncate(p, arg2));
        unlock_user(p, arg1, 0);
3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346
        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;
3347
#ifdef TARGET_NR_profil
3348 3349
    case TARGET_NR_profil:
        goto unimplemented;
3350
#endif
3351
    case TARGET_NR_statfs:
3352 3353 3354
        p = lock_user_string(arg1);
        ret = get_errno(statfs(path(p), &stfs));
        unlock_user(p, arg1, 0);
3355 3356
    convert_statfs:
        if (!is_error(ret)) {
3357
            struct target_statfs *target_stfs;
B
bellard 已提交
3358
            
3359 3360
            lock_user_struct(target_stfs, arg2, 0);
            /* ??? put_user is probably wrong.  */
B
bellard 已提交
3361 3362 3363 3364 3365 3366 3367
            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);
3368 3369
            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]);
B
bellard 已提交
3370
            put_user(stfs.f_namelen, &target_stfs->f_namelen);
3371
            unlock_user_struct(target_stfs, arg2, 1);
3372 3373 3374
        }
        break;
    case TARGET_NR_fstatfs:
B
bellard 已提交
3375
        ret = get_errno(fstatfs(arg1, &stfs));
3376
        goto convert_statfs;
B
bellard 已提交
3377 3378
#ifdef TARGET_NR_statfs64
    case TARGET_NR_statfs64:
3379 3380 3381
        p = lock_user_string(arg1);
        ret = get_errno(statfs(path(p), &stfs));
        unlock_user(p, arg1, 0);
B
bellard 已提交
3382 3383
    convert_statfs64:
        if (!is_error(ret)) {
3384 3385 3386 3387
            struct target_statfs64 *target_stfs;
            
            lock_user_struct(target_stfs, arg3, 0);
            /* ??? put_user is probably wrong.  */
B
bellard 已提交
3388 3389 3390 3391 3392 3393 3394
            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);
3395 3396
            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]);
B
bellard 已提交
3397
            put_user(stfs.f_namelen, &target_stfs->f_namelen);
3398
            unlock_user_struct(target_stfs, arg3, 0);
B
bellard 已提交
3399 3400 3401 3402 3403 3404
        }
        break;
    case TARGET_NR_fstatfs64:
        ret = get_errno(fstatfs(arg1, &stfs));
        goto convert_statfs64;
#endif
3405
#ifdef TARGET_NR_ioperm
3406 3407
    case TARGET_NR_ioperm:
        goto unimplemented;
3408
#endif
3409
#ifdef TARGET_NR_socketcall
3410
    case TARGET_NR_socketcall:
3411
        ret = do_socketcall(arg1, arg2);
3412
        break;
3413
#endif
3414 3415
#ifdef TARGET_NR_accept
    case TARGET_NR_accept:
P
pbrook 已提交
3416
        ret = do_accept(arg1, arg2, arg3);
3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430
        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:
P
pbrook 已提交
3431
        ret = do_getpeername(arg1, arg2, arg3);
3432 3433 3434 3435
        break;
#endif
#ifdef TARGET_NR_getsockname
    case TARGET_NR_getsockname:
P
pbrook 已提交
3436
        ret = do_getsockname(arg1, arg2, arg3);
3437 3438 3439 3440 3441 3442 3443 3444 3445
        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:
P
pbrook 已提交
3446
        ret = get_errno(listen(arg1, arg2));
3447 3448 3449 3450
        break;
#endif
#ifdef TARGET_NR_recv
    case TARGET_NR_recv:
P
pbrook 已提交
3451
        ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3452 3453 3454 3455
        break;
#endif
#ifdef TARGET_NR_recvfrom
    case TARGET_NR_recvfrom:
P
pbrook 已提交
3456
        ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3457 3458 3459 3460 3461 3462 3463 3464 3465
        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:
P
pbrook 已提交
3466
        ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3467 3468 3469 3470 3471 3472 3473 3474 3475
        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:
P
pbrook 已提交
3476
        ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3477 3478 3479 3480
        break;
#endif
#ifdef TARGET_NR_shutdown
    case TARGET_NR_shutdown:
P
pbrook 已提交
3481
        ret = get_errno(shutdown(arg1, arg2));
3482 3483 3484 3485 3486 3487 3488 3489 3490
        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:
P
pbrook 已提交
3491
        ret = do_socketpair(arg1, arg2, arg3, arg4);
3492 3493 3494 3495 3496 3497 3498
        break;
#endif
#ifdef TARGET_NR_setsockopt
    case TARGET_NR_setsockopt:
        ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
        break;
#endif
3499

3500
    case TARGET_NR_syslog:
3501 3502 3503
        p = lock_user_string(arg2);
        ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
        unlock_user(p, arg2, 0);
3504 3505
        break;

3506
    case TARGET_NR_setitimer:
B
bellard 已提交
3507 3508 3509
        {
            struct itimerval value, ovalue, *pvalue;

3510
            if (arg2) {
B
bellard 已提交
3511 3512
                pvalue = &value;
                target_to_host_timeval(&pvalue->it_interval, 
3513
                                       arg2);
B
bellard 已提交
3514
                target_to_host_timeval(&pvalue->it_value, 
3515
                                       arg2 + sizeof(struct target_timeval));
B
bellard 已提交
3516 3517 3518 3519
            } else {
                pvalue = NULL;
            }
            ret = get_errno(setitimer(arg1, pvalue, &ovalue));
3520 3521
            if (!is_error(ret) && arg3) {
                host_to_target_timeval(arg3,
B
bellard 已提交
3522
                                       &ovalue.it_interval);
3523
                host_to_target_timeval(arg3 + sizeof(struct target_timeval),
B
bellard 已提交
3524 3525 3526 3527
                                       &ovalue.it_value);
            }
        }
        break;
3528
    case TARGET_NR_getitimer:
B
bellard 已提交
3529 3530 3531 3532
        {
            struct itimerval value;
            
            ret = get_errno(getitimer(arg1, &value));
3533 3534
            if (!is_error(ret) && arg2) {
                host_to_target_timeval(arg2,
B
bellard 已提交
3535
                                       &value.it_interval);
3536
                host_to_target_timeval(arg2 + sizeof(struct target_timeval),
B
bellard 已提交
3537 3538 3539 3540
                                       &value.it_value);
            }
        }
        break;
3541
    case TARGET_NR_stat:
3542 3543 3544
        p = lock_user_string(arg1);
        ret = get_errno(stat(path(p), &st));
        unlock_user(p, arg1, 0);
3545 3546
        goto do_stat;
    case TARGET_NR_lstat:
3547 3548 3549
        p = lock_user_string(arg1);
        ret = get_errno(lstat(path(p), &st));
        unlock_user(p, arg1, 0);
3550 3551 3552 3553 3554 3555
        goto do_stat;
    case TARGET_NR_fstat:
        {
            ret = get_errno(fstat(arg1, &st));
        do_stat:
            if (!is_error(ret)) {
3556
                struct target_stat *target_st;
3557

3558
                lock_user_struct(target_st, arg2, 0);
B
blueswir1 已提交
3559
#if defined(TARGET_MIPS) || defined(TARGET_SPARC64)
3560 3561
                target_st->st_dev = tswap32(st.st_dev);
#else
3562
                target_st->st_dev = tswap16(st.st_dev);
3563
#endif
3564
                target_st->st_ino = tswapl(st.st_ino);
3565
#if defined(TARGET_PPC) || defined(TARGET_MIPS)
3566 3567 3568
                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);
B
blueswir1 已提交
3569 3570 3571 3572
#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);
3573
#else
3574
                target_st->st_mode = tswap16(st.st_mode);
3575 3576
                target_st->st_uid = tswap16(st.st_uid);
                target_st->st_gid = tswap16(st.st_gid);
3577
#endif
3578 3579 3580 3581
#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);
B
blueswir1 已提交
3582 3583 3584
#elif defined(TARGET_SPARC64)
                target_st->st_nlink = tswap32(st.st_nlink);
                target_st->st_rdev = tswap32(st.st_rdev);
3585
#else
3586
                target_st->st_nlink = tswap16(st.st_nlink);
3587
                target_st->st_rdev = tswap16(st.st_rdev);
3588
#endif
3589 3590 3591
                target_st->st_size = tswapl(st.st_size);
                target_st->st_blksize = tswapl(st.st_blksize);
                target_st->st_blocks = tswapl(st.st_blocks);
B
bellard 已提交
3592 3593 3594
                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);
3595
                unlock_user_struct(target_st, arg2, 1);
3596 3597 3598
            }
        }
        break;
3599
#ifdef TARGET_NR_olduname
3600 3601
    case TARGET_NR_olduname:
        goto unimplemented;
3602 3603
#endif
#ifdef TARGET_NR_iopl
3604 3605
    case TARGET_NR_iopl:
        goto unimplemented;
3606
#endif
3607 3608 3609
    case TARGET_NR_vhangup:
        ret = get_errno(vhangup());
        break;
3610
#ifdef TARGET_NR_idle
3611 3612
    case TARGET_NR_idle:
        goto unimplemented;
B
bellard 已提交
3613 3614 3615 3616 3617
#endif
#ifdef TARGET_NR_syscall
    case TARGET_NR_syscall:
    	ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
    	break;
3618
#endif
3619 3620 3621
    case TARGET_NR_wait4:
        {
            int status;
3622
            target_long status_ptr = arg2;
3623
            struct rusage rusage, *rusage_ptr;
3624
            target_ulong target_rusage = arg4;
3625 3626 3627 3628 3629 3630 3631
            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)
3632
                    tputl(status_ptr, status);
3633
                if (target_rusage) {
B
bellard 已提交
3634
                    host_to_target_rusage(target_rusage, &rusage);
3635 3636 3637 3638
                }
            }
        }
        break;
3639
#ifdef TARGET_NR_swapoff
3640
    case TARGET_NR_swapoff:
3641 3642 3643
        p = lock_user_string(arg1);
        ret = get_errno(swapoff(p));
        unlock_user(p, arg1, 0);
3644
        break;
3645
#endif
3646
    case TARGET_NR_sysinfo:
B
bellard 已提交
3647
        {
3648
            struct target_sysinfo *target_value;
B
bellard 已提交
3649 3650
            struct sysinfo value;
            ret = get_errno(sysinfo(&value));
3651
            if (!is_error(ret) && arg1)
B
bellard 已提交
3652
            {
3653 3654
                /* ??? __put_user is probably wrong.  */
                lock_user_struct(target_value, arg1, 0);
B
bellard 已提交
3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668
                __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);
3669
                unlock_user_struct(target_value, arg1, 1);
B
bellard 已提交
3670 3671 3672
            }
        }
        break;
3673
#ifdef TARGET_NR_ipc
3674
    case TARGET_NR_ipc:
3675 3676
	ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
	break;
3677
#endif
3678 3679 3680 3681
    case TARGET_NR_fsync:
        ret = get_errno(fsync(arg1));
        break;
    case TARGET_NR_clone:
B
bellard 已提交
3682 3683
        ret = get_errno(do_fork(cpu_env, arg1, arg2));
        break;
3684 3685 3686
#ifdef __NR_exit_group
        /* new thread calls */
    case TARGET_NR_exit_group:
3687
        gdb_exit(cpu_env, arg1);
3688 3689 3690
        ret = get_errno(exit_group(arg1));
        break;
#endif
3691
    case TARGET_NR_setdomainname:
3692 3693 3694
        p = lock_user_string(arg1);
        ret = get_errno(setdomainname(p, arg2));
        unlock_user(p, arg1, 0);
3695 3696 3697
        break;
    case TARGET_NR_uname:
        /* no need to transcode because we use the linux syscall */
B
bellard 已提交
3698 3699 3700
        {
            struct new_utsname * buf;
    
3701
            lock_user_struct(buf, arg1, 0);
B
bellard 已提交
3702 3703 3704 3705 3706
            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);
3707 3708 3709
                /* Allow the user to override the reported release.  */
                if (qemu_uname_release && *qemu_uname_release)
                  strcpy (buf->release, qemu_uname_release);
B
bellard 已提交
3710
            }
3711
            unlock_user_struct(buf, arg1, 1);
B
bellard 已提交
3712
        }
3713
        break;
B
bellard 已提交
3714
#ifdef TARGET_I386
3715
    case TARGET_NR_modify_ldt:
3716
        ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
B
bellard 已提交
3717
        break;
3718
#if !defined(TARGET_X86_64)
B
bellard 已提交
3719 3720 3721
    case TARGET_NR_vm86old:
        goto unimplemented;
    case TARGET_NR_vm86:
3722
        ret = do_vm86(cpu_env, arg1, arg2);
B
bellard 已提交
3723
        break;
3724
#endif
B
bellard 已提交
3725
#endif
3726 3727
    case TARGET_NR_adjtimex:
        goto unimplemented;
3728
#ifdef TARGET_NR_create_module
3729
    case TARGET_NR_create_module:
3730
#endif
3731 3732
    case TARGET_NR_init_module:
    case TARGET_NR_delete_module:
3733
#ifdef TARGET_NR_get_kernel_syms
3734
    case TARGET_NR_get_kernel_syms:
3735
#endif
3736 3737 3738 3739 3740 3741 3742 3743 3744
        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;
3745
#ifdef TARGET_NR_bdflush /* not on x86_64 */
3746 3747
    case TARGET_NR_bdflush:
        goto unimplemented;
3748
#endif
3749
#ifdef TARGET_NR_sysfs
3750 3751
    case TARGET_NR_sysfs:
        goto unimplemented;
3752
#endif
3753
    case TARGET_NR_personality:
B
bellard 已提交
3754
        ret = get_errno(personality(arg1));
3755
        break;
3756
#ifdef TARGET_NR_afs_syscall
3757 3758
    case TARGET_NR_afs_syscall:
        goto unimplemented;
3759
#endif
3760
#ifdef TARGET_NR__llseek /* Not on alpha */
3761 3762
    case TARGET_NR__llseek:
        {
B
bellard 已提交
3763 3764
#if defined (__x86_64__)
            ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
3765
            tput64(arg4, ret);
B
bellard 已提交
3766
#else
3767 3768
            int64_t res;
            ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
3769
            tput64(arg4, res);
B
bellard 已提交
3770
#endif
3771 3772
        }
        break;
3773
#endif
3774 3775
    case TARGET_NR_getdents:
#if TARGET_LONG_SIZE != 4
3776
        goto unimplemented;
B
bellard 已提交
3777
#warning not supported
B
bellard 已提交
3778 3779
#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
        {
3780
            struct target_dirent *target_dirp;
B
bellard 已提交
3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797
            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;
3798
                target_dirp = lock_user(arg2, count, 0);
B
bellard 已提交
3799 3800 3801 3802 3803 3804 3805 3806 3807 3808
		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;
B
bellard 已提交
3809
                    /* XXX: may not be correct */
B
bellard 已提交
3810 3811 3812
		    strncpy(tde->d_name, de->d_name, tnamelen);
                    de = (struct dirent *)((char *)de + reclen);
                    len -= reclen;
J
j_mayer 已提交
3813
                    tde = (struct target_dirent *)((char *)tde + treclen);
B
bellard 已提交
3814 3815 3816 3817
		    count1 += treclen;
                }
		ret = count1;
            }
3818
            unlock_user(target_dirp, arg2, ret);
B
bellard 已提交
3819 3820 3821
	    free(dirp);
        }
#else
3822
        {
3823
            struct dirent *dirp;
3824
            long count = arg3;
B
bellard 已提交
3825

3826
            dirp = lock_user(arg2, count, 0);
B
bellard 已提交
3827
            ret = get_errno(sys_getdents(arg1, dirp, count));
3828 3829 3830 3831 3832 3833
            if (!is_error(ret)) {
                struct dirent *de;
                int len = ret;
                int reclen;
                de = dirp;
                while (len > 0) {
B
bellard 已提交
3834
                    reclen = de->d_reclen;
3835 3836
                    if (reclen > len)
                        break;
B
bellard 已提交
3837
                    de->d_reclen = tswap16(reclen);
3838 3839 3840 3841 3842 3843
                    tswapls(&de->d_ino);
                    tswapls(&de->d_off);
                    de = (struct dirent *)((char *)de + reclen);
                    len -= reclen;
                }
            }
3844
            unlock_user(dirp, arg2, ret);
3845
        }
B
bellard 已提交
3846
#endif
3847
        break;
3848
#ifdef TARGET_NR_getdents64
B
bellard 已提交
3849 3850
    case TARGET_NR_getdents64:
        {
3851
            struct dirent64 *dirp;
B
bellard 已提交
3852
            long count = arg3;
3853
            dirp = lock_user(arg2, count, 0);
B
bellard 已提交
3854 3855 3856 3857 3858 3859 3860
            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) {
B
bellard 已提交
3861
                    reclen = de->d_reclen;
B
bellard 已提交
3862 3863
                    if (reclen > len)
                        break;
B
bellard 已提交
3864
                    de->d_reclen = tswap16(reclen);
B
bellard 已提交
3865 3866 3867 3868 3869 3870
                    tswap64s(&de->d_ino);
                    tswap64s(&de->d_off);
                    de = (struct dirent64 *)((char *)de + reclen);
                    len -= reclen;
                }
            }
3871
            unlock_user(dirp, arg2, ret);
B
bellard 已提交
3872 3873
        }
        break;
3874
#endif /* TARGET_NR_getdents64 */
3875
#ifdef TARGET_NR__newselect
3876
    case TARGET_NR__newselect:
3877
        ret = do_select(arg1, arg2, arg3, arg4, arg5);
3878
        break;
3879 3880
#endif
#ifdef TARGET_NR_poll
B
bellard 已提交
3881 3882
    case TARGET_NR_poll:
        {
3883
            struct target_pollfd *target_pfd;
B
bellard 已提交
3884 3885 3886
            unsigned int nfds = arg2;
            int timeout = arg3;
            struct pollfd *pfd;
B
bellard 已提交
3887
            unsigned int i;
B
bellard 已提交
3888

3889
            target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
B
bellard 已提交
3890 3891
            pfd = alloca(sizeof(struct pollfd) * nfds);
            for(i = 0; i < nfds; i++) {
B
bellard 已提交
3892 3893
                pfd[i].fd = tswap32(target_pfd[i].fd);
                pfd[i].events = tswap16(target_pfd[i].events);
B
bellard 已提交
3894 3895 3896 3897
            }
            ret = get_errno(poll(pfd, nfds, timeout));
            if (!is_error(ret)) {
                for(i = 0; i < nfds; i++) {
B
bellard 已提交
3898
                    target_pfd[i].revents = tswap16(pfd[i].revents);
B
bellard 已提交
3899
                }
3900 3901
                ret += nfds * (sizeof(struct target_pollfd)
                               - sizeof(struct pollfd));
B
bellard 已提交
3902
            }
3903
            unlock_user(target_pfd, arg1, ret);
B
bellard 已提交
3904 3905
        }
        break;
3906
#endif
3907
    case TARGET_NR_flock:
B
bellard 已提交
3908 3909 3910
        /* NOTE: the flock constant seems to be the same for every
           Linux platform */
        ret = get_errno(flock(arg1, arg2));
3911 3912 3913 3914 3915 3916 3917
        break;
    case TARGET_NR_readv:
        {
            int count = arg3;
            struct iovec *vec;

            vec = alloca(count * sizeof(struct iovec));
3918
            lock_iovec(vec, arg2, count, 0);
3919
            ret = get_errno(readv(arg1, vec, count));
3920
            unlock_iovec(vec, arg2, count, 1);
3921 3922 3923 3924 3925 3926 3927 3928
        }
        break;
    case TARGET_NR_writev:
        {
            int count = arg3;
            struct iovec *vec;

            vec = alloca(count * sizeof(struct iovec));
3929
            lock_iovec(vec, arg2, count, 1);
3930
            ret = get_errno(writev(arg1, vec, count));
3931
            unlock_iovec(vec, arg2, count, 0);
3932 3933 3934 3935 3936
        }
        break;
    case TARGET_NR_getsid:
        ret = get_errno(getsid(arg1));
        break;
3937
#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
3938
    case TARGET_NR_fdatasync:
B
bellard 已提交
3939 3940
        ret = get_errno(fdatasync(arg1));
        break;
3941
#endif
3942
    case TARGET_NR__sysctl:
B
bellard 已提交
3943 3944 3945
        /* We don't implement this, but ENODIR is always a safe
           return value. */
        return -ENOTDIR;
3946
    case TARGET_NR_sched_setparam:
B
bellard 已提交
3947
        {
3948
            struct sched_param *target_schp;
B
bellard 已提交
3949
            struct sched_param schp;
3950 3951

            lock_user_struct(target_schp, arg2, 1);
B
bellard 已提交
3952
            schp.sched_priority = tswap32(target_schp->sched_priority);
3953
            unlock_user_struct(target_schp, arg2, 0);
B
bellard 已提交
3954 3955 3956
            ret = get_errno(sched_setparam(arg1, &schp));
        }
        break;
3957
    case TARGET_NR_sched_getparam:
B
bellard 已提交
3958
        {
3959
            struct sched_param *target_schp;
B
bellard 已提交
3960 3961 3962
            struct sched_param schp;
            ret = get_errno(sched_getparam(arg1, &schp));
            if (!is_error(ret)) {
3963
                lock_user_struct(target_schp, arg2, 0);
B
bellard 已提交
3964
                target_schp->sched_priority = tswap32(schp.sched_priority);
3965
                unlock_user_struct(target_schp, arg2, 1);
B
bellard 已提交
3966 3967 3968
            }
        }
        break;
3969
    case TARGET_NR_sched_setscheduler:
B
bellard 已提交
3970
        {
3971
            struct sched_param *target_schp;
B
bellard 已提交
3972
            struct sched_param schp;
3973
            lock_user_struct(target_schp, arg3, 1);
B
bellard 已提交
3974
            schp.sched_priority = tswap32(target_schp->sched_priority);
3975
            unlock_user_struct(target_schp, arg3, 0);
B
bellard 已提交
3976 3977 3978
            ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
        }
        break;
3979
    case TARGET_NR_sched_getscheduler:
B
bellard 已提交
3980 3981
        ret = get_errno(sched_getscheduler(arg1));
        break;
3982 3983 3984 3985
    case TARGET_NR_sched_yield:
        ret = get_errno(sched_yield());
        break;
    case TARGET_NR_sched_get_priority_max:
B
bellard 已提交
3986 3987
        ret = get_errno(sched_get_priority_max(arg1));
        break;
3988
    case TARGET_NR_sched_get_priority_min:
B
bellard 已提交
3989 3990
        ret = get_errno(sched_get_priority_min(arg1));
        break;
3991
    case TARGET_NR_sched_rr_get_interval:
B
bellard 已提交
3992 3993 3994 3995
        {
            struct timespec ts;
            ret = get_errno(sched_rr_get_interval(arg1, &ts));
            if (!is_error(ret)) {
3996
                host_to_target_timespec(arg2, &ts);
B
bellard 已提交
3997 3998 3999
            }
        }
        break;
4000
    case TARGET_NR_nanosleep:
B
bellard 已提交
4001 4002
        {
            struct timespec req, rem;
4003
            target_to_host_timespec(&req, arg1);
B
bellard 已提交
4004
            ret = get_errno(nanosleep(&req, &rem));
4005 4006
            if (is_error(ret) && arg2) {
                host_to_target_timespec(arg2, &rem);
B
bellard 已提交
4007 4008 4009
            }
        }
        break;
4010
#ifdef TARGET_NR_query_module
4011
    case TARGET_NR_query_module:
B
bellard 已提交
4012
        goto unimplemented;
4013 4014
#endif
#ifdef TARGET_NR_nfsservctl
4015
    case TARGET_NR_nfsservctl:
B
bellard 已提交
4016
        goto unimplemented;
4017
#endif
4018
    case TARGET_NR_prctl:
4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032
        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;
            }
4033
        break;
4034
#ifdef TARGET_NR_pread
4035
    case TARGET_NR_pread:
4036 4037 4038 4039
        page_unprotect_range(arg2, arg3);
        p = lock_user(arg2, arg3, 0);
        ret = get_errno(pread(arg1, p, arg3, arg4));
        unlock_user(p, arg2, ret);
4040
        break;
4041
    case TARGET_NR_pwrite:
4042 4043 4044
        p = lock_user(arg2, arg3, 1);
        ret = get_errno(pwrite(arg1, p, arg3, arg4));
        unlock_user(p, arg2, 0);
4045
        break;
4046
#endif
4047
    case TARGET_NR_getcwd:
4048 4049 4050
        p = lock_user(arg1, arg2, 0);
        ret = get_errno(sys_getcwd1(p, arg2));
        unlock_user(p, arg1, ret);
4051 4052
        break;
    case TARGET_NR_capget:
B
bellard 已提交
4053
        goto unimplemented;
4054
    case TARGET_NR_capset:
B
bellard 已提交
4055
        goto unimplemented;
4056
    case TARGET_NR_sigaltstack:
B
bellard 已提交
4057
        goto unimplemented;
4058
    case TARGET_NR_sendfile:
B
bellard 已提交
4059
        goto unimplemented;
4060
#ifdef TARGET_NR_getpmsg
4061
    case TARGET_NR_getpmsg:
B
bellard 已提交
4062
        goto unimplemented;
4063 4064
#endif
#ifdef TARGET_NR_putpmsg
4065
    case TARGET_NR_putpmsg:
B
bellard 已提交
4066
        goto unimplemented;
4067
#endif
B
bellard 已提交
4068
#ifdef TARGET_NR_vfork
4069
    case TARGET_NR_vfork:
B
bellard 已提交
4070
        ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
4071
        break;
B
bellard 已提交
4072
#endif
4073
#ifdef TARGET_NR_ugetrlimit
4074
    case TARGET_NR_ugetrlimit:
B
bellard 已提交
4075 4076 4077 4078
    {
	struct rlimit rlim;
	ret = get_errno(getrlimit(arg1, &rlim));
	if (!is_error(ret)) {
4079 4080
	    struct target_rlimit *target_rlim;
            lock_user_struct(target_rlim, arg2, 0);
B
bellard 已提交
4081 4082
	    target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
	    target_rlim->rlim_max = tswapl(rlim.rlim_max);
4083
            unlock_user_struct(target_rlim, arg2, 1);
B
bellard 已提交
4084 4085 4086
	}
	break;
    }
4087
#endif
B
bellard 已提交
4088
#ifdef TARGET_NR_truncate64
4089
    case TARGET_NR_truncate64:
4090 4091 4092
        p = lock_user_string(arg1);
	ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
        unlock_user(p, arg1, 0);
B
bellard 已提交
4093
	break;
B
bellard 已提交
4094 4095
#endif
#ifdef TARGET_NR_ftruncate64
4096
    case TARGET_NR_ftruncate64:
P
pbrook 已提交
4097
	ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
B
bellard 已提交
4098
	break;
B
bellard 已提交
4099 4100
#endif
#ifdef TARGET_NR_stat64
4101
    case TARGET_NR_stat64:
4102 4103 4104
        p = lock_user_string(arg1);
        ret = get_errno(stat(path(p), &st));
        unlock_user(p, arg1, 0);
B
bellard 已提交
4105
        goto do_stat64;
B
bellard 已提交
4106 4107
#endif
#ifdef TARGET_NR_lstat64
4108
    case TARGET_NR_lstat64:
4109 4110 4111
        p = lock_user_string(arg1);
        ret = get_errno(lstat(path(p), &st));
        unlock_user(p, arg1, 0);
B
bellard 已提交
4112
        goto do_stat64;
B
bellard 已提交
4113 4114
#endif
#ifdef TARGET_NR_fstat64
4115
    case TARGET_NR_fstat64:
B
bellard 已提交
4116 4117 4118 4119
        {
            ret = get_errno(fstat(arg1, &st));
        do_stat64:
            if (!is_error(ret)) {
P
pbrook 已提交
4120 4121
#ifdef TARGET_ARM
                if (((CPUARMState *)cpu_env)->eabi) {
4122 4123
                    struct target_eabi_stat64 *target_st;
                    lock_user_struct(target_st, arg2, 1);
P
pbrook 已提交
4124
                    memset(target_st, 0, sizeof(struct target_eabi_stat64));
4125
                    /* put_user is probably wrong.  */
P
pbrook 已提交
4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142
                    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);
4143
                    unlock_user_struct(target_st, arg2, 0);
P
pbrook 已提交
4144 4145 4146
                } else
#endif
                {
4147 4148
                    struct target_stat64 *target_st;
                    lock_user_struct(target_st, arg2, 1);
P
pbrook 已提交
4149
                    memset(target_st, 0, sizeof(struct target_stat64));
4150
                    /* ??? put_user is probably wrong.  */
P
pbrook 已提交
4151 4152
                    put_user(st.st_dev, &target_st->st_dev);
                    put_user(st.st_ino, &target_st->st_ino);
4153
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
P
pbrook 已提交
4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167
                    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);
4168
                    unlock_user_struct(target_st, arg2, 0);
P
pbrook 已提交
4169
                }
B
bellard 已提交
4170 4171 4172
            }
        }
        break;
B
bellard 已提交
4173
#endif
4174 4175
#ifdef USE_UID16
    case TARGET_NR_lchown:
4176 4177 4178
        p = lock_user_string(arg1);
        ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
        unlock_user(p, arg1, 0);
4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200
        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;
4201
            uint16_t *target_grouplist;
4202 4203 4204 4205 4206 4207
            gid_t *grouplist;
            int i;

            grouplist = alloca(gidsetsize * sizeof(gid_t));
            ret = get_errno(getgroups(gidsetsize, grouplist));
            if (!is_error(ret)) {
4208
                target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
4209 4210
                for(i = 0;i < gidsetsize; i++)
                    target_grouplist[i] = tswap16(grouplist[i]);
4211
                unlock_user(target_grouplist, arg2, gidsetsize * 2);
4212 4213 4214 4215 4216 4217
            }
        }
        break;
    case TARGET_NR_setgroups:
        {
            int gidsetsize = arg1;
4218
            uint16_t *target_grouplist;
4219 4220 4221 4222
            gid_t *grouplist;
            int i;

            grouplist = alloca(gidsetsize * sizeof(gid_t));
4223
            target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
4224 4225
            for(i = 0;i < gidsetsize; i++)
                grouplist[i] = tswap16(target_grouplist[i]);
4226
            unlock_user(target_grouplist, arg2, 0);
4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242
            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:
        {
4243
            uid_t ruid, euid, suid;
4244 4245
            ret = get_errno(getresuid(&ruid, &euid, &suid));
            if (!is_error(ret)) {
4246 4247 4248
                tput16(arg1, tswap16(high2lowuid(ruid)));
                tput16(arg2, tswap16(high2lowuid(euid)));
                tput16(arg3, tswap16(high2lowuid(suid)));
4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262
            }
        }
        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:
        {
4263
            gid_t rgid, egid, sgid;
4264 4265
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
            if (!is_error(ret)) {
4266 4267 4268
                tput16(arg1, tswap16(high2lowgid(rgid)));
                tput16(arg2, tswap16(high2lowgid(egid)));
                tput16(arg3, tswap16(high2lowgid(sgid)));
4269 4270 4271 4272 4273
            }
        }
        break;
#endif
    case TARGET_NR_chown:
4274 4275 4276
        p = lock_user_string(arg1);
        ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
        unlock_user(p, arg1, 0);
4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291
        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 */

B
bellard 已提交
4292
#ifdef TARGET_NR_lchown32
4293
    case TARGET_NR_lchown32:
4294 4295 4296
        p = lock_user_string(arg1);
        ret = get_errno(lchown(p, arg2, arg3));
        unlock_user(p, arg1, 0);
B
bellard 已提交
4297
        break;
B
bellard 已提交
4298 4299
#endif
#ifdef TARGET_NR_getuid32
4300
    case TARGET_NR_getuid32:
B
bellard 已提交
4301 4302
        ret = get_errno(getuid());
        break;
B
bellard 已提交
4303 4304
#endif
#ifdef TARGET_NR_getgid32
4305
    case TARGET_NR_getgid32:
B
bellard 已提交
4306 4307
        ret = get_errno(getgid());
        break;
B
bellard 已提交
4308 4309
#endif
#ifdef TARGET_NR_geteuid32
4310
    case TARGET_NR_geteuid32:
B
bellard 已提交
4311 4312
        ret = get_errno(geteuid());
        break;
B
bellard 已提交
4313 4314
#endif
#ifdef TARGET_NR_getegid32
4315
    case TARGET_NR_getegid32:
B
bellard 已提交
4316 4317
        ret = get_errno(getegid());
        break;
B
bellard 已提交
4318 4319
#endif
#ifdef TARGET_NR_setreuid32
4320
    case TARGET_NR_setreuid32:
B
bellard 已提交
4321 4322
        ret = get_errno(setreuid(arg1, arg2));
        break;
B
bellard 已提交
4323 4324
#endif
#ifdef TARGET_NR_setregid32
4325
    case TARGET_NR_setregid32:
B
bellard 已提交
4326 4327
        ret = get_errno(setregid(arg1, arg2));
        break;
B
bellard 已提交
4328 4329
#endif
#ifdef TARGET_NR_getgroups32
4330
    case TARGET_NR_getgroups32:
B
bellard 已提交
4331 4332
        {
            int gidsetsize = arg1;
4333
            uint32_t *target_grouplist;
B
bellard 已提交
4334 4335 4336 4337 4338 4339
            gid_t *grouplist;
            int i;

            grouplist = alloca(gidsetsize * sizeof(gid_t));
            ret = get_errno(getgroups(gidsetsize, grouplist));
            if (!is_error(ret)) {
4340
                target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
B
bellard 已提交
4341
                for(i = 0;i < gidsetsize; i++)
4342 4343
                    target_grouplist[i] = tswap32(grouplist[i]);
                unlock_user(target_grouplist, arg2, gidsetsize * 4);
B
bellard 已提交
4344 4345 4346
            }
        }
        break;
B
bellard 已提交
4347 4348
#endif
#ifdef TARGET_NR_setgroups32
4349
    case TARGET_NR_setgroups32:
B
bellard 已提交
4350 4351
        {
            int gidsetsize = arg1;
4352
            uint32_t *target_grouplist;
B
bellard 已提交
4353 4354 4355 4356
            gid_t *grouplist;
            int i;
            
            grouplist = alloca(gidsetsize * sizeof(gid_t));
4357
            target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
B
bellard 已提交
4358
            for(i = 0;i < gidsetsize; i++)
4359 4360
                grouplist[i] = tswap32(target_grouplist[i]);
            unlock_user(target_grouplist, arg2, 0);
B
bellard 已提交
4361 4362 4363
            ret = get_errno(setgroups(gidsetsize, grouplist));
        }
        break;
B
bellard 已提交
4364 4365
#endif
#ifdef TARGET_NR_fchown32
4366
    case TARGET_NR_fchown32:
B
bellard 已提交
4367 4368
        ret = get_errno(fchown(arg1, arg2, arg3));
        break;
B
bellard 已提交
4369 4370
#endif
#ifdef TARGET_NR_setresuid32
4371
    case TARGET_NR_setresuid32:
B
bellard 已提交
4372 4373
        ret = get_errno(setresuid(arg1, arg2, arg3));
        break;
B
bellard 已提交
4374 4375
#endif
#ifdef TARGET_NR_getresuid32
4376
    case TARGET_NR_getresuid32:
B
bellard 已提交
4377
        {
4378
            uid_t ruid, euid, suid;
B
bellard 已提交
4379 4380
            ret = get_errno(getresuid(&ruid, &euid, &suid));
            if (!is_error(ret)) {
4381 4382 4383
                tput32(arg1, tswap32(ruid));
                tput32(arg2, tswap32(euid));
                tput32(arg3, tswap32(suid));
B
bellard 已提交
4384 4385 4386
            }
        }
        break;
B
bellard 已提交
4387 4388
#endif
#ifdef TARGET_NR_setresgid32
4389
    case TARGET_NR_setresgid32:
B
bellard 已提交
4390 4391
        ret = get_errno(setresgid(arg1, arg2, arg3));
        break;
B
bellard 已提交
4392 4393
#endif
#ifdef TARGET_NR_getresgid32
4394
    case TARGET_NR_getresgid32:
B
bellard 已提交
4395
        {
4396
            gid_t rgid, egid, sgid;
B
bellard 已提交
4397 4398
            ret = get_errno(getresgid(&rgid, &egid, &sgid));
            if (!is_error(ret)) {
4399 4400 4401
                tput32(arg1, tswap32(rgid));
                tput32(arg2, tswap32(egid));
                tput32(arg3, tswap32(sgid));
B
bellard 已提交
4402 4403 4404
            }
        }
        break;
B
bellard 已提交
4405 4406
#endif
#ifdef TARGET_NR_chown32
4407
    case TARGET_NR_chown32:
4408 4409 4410
        p = lock_user_string(arg1);
        ret = get_errno(chown(p, arg2, arg3));
        unlock_user(p, arg1, 0);
B
bellard 已提交
4411
        break;
B
bellard 已提交
4412 4413
#endif
#ifdef TARGET_NR_setuid32
4414
    case TARGET_NR_setuid32:
B
bellard 已提交
4415 4416
        ret = get_errno(setuid(arg1));
        break;
B
bellard 已提交
4417 4418
#endif
#ifdef TARGET_NR_setgid32
4419
    case TARGET_NR_setgid32:
B
bellard 已提交
4420 4421
        ret = get_errno(setgid(arg1));
        break;
B
bellard 已提交
4422 4423
#endif
#ifdef TARGET_NR_setfsuid32
4424
    case TARGET_NR_setfsuid32:
B
bellard 已提交
4425 4426
        ret = get_errno(setfsuid(arg1));
        break;
B
bellard 已提交
4427 4428
#endif
#ifdef TARGET_NR_setfsgid32
4429
    case TARGET_NR_setfsgid32:
B
bellard 已提交
4430 4431
        ret = get_errno(setfsgid(arg1));
        break;
B
bellard 已提交
4432
#endif
4433

4434
    case TARGET_NR_pivot_root:
B
bellard 已提交
4435
        goto unimplemented;
B
bellard 已提交
4436
#ifdef TARGET_NR_mincore
4437
    case TARGET_NR_mincore:
B
bellard 已提交
4438
        goto unimplemented;
B
bellard 已提交
4439 4440
#endif
#ifdef TARGET_NR_madvise
4441
    case TARGET_NR_madvise:
4442 4443 4444 4445 4446 4447
        /* 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;
B
bellard 已提交
4448
#endif
B
bellard 已提交
4449
#if TARGET_LONG_BITS == 32
4450
    case TARGET_NR_fcntl64:
B
bellard 已提交
4451
    {
T
ths 已提交
4452
	int cmd;
B
bellard 已提交
4453
	struct flock64 fl;
4454
	struct target_flock64 *target_fl;
P
pbrook 已提交
4455
#ifdef TARGET_ARM
4456
	struct target_eabi_flock64 *target_efl;
P
pbrook 已提交
4457
#endif
B
bellard 已提交
4458

T
ths 已提交
4459 4460 4461
        switch(arg2){
        case TARGET_F_GETLK64:
            cmd = F_GETLK64;
4462
            break;
T
ths 已提交
4463 4464
        case TARGET_F_SETLK64:
            cmd = F_SETLK64;
4465
            break;
T
ths 已提交
4466 4467
        case TARGET_F_SETLKW64:
            cmd = F_SETLK64;
4468
            break;
T
ths 已提交
4469 4470
        default:
            cmd = arg2;
4471
            break;
T
ths 已提交
4472 4473
        }

B
bellard 已提交
4474
        switch(arg2) {
T
ths 已提交
4475
        case TARGET_F_GETLK64:
T
ths 已提交
4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495
#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);
            }
T
ths 已提交
4496
            ret = get_errno(fcntl(arg1, cmd, &fl));
B
bellard 已提交
4497
	    if (ret == 0) {
P
pbrook 已提交
4498 4499
#ifdef TARGET_ARM
                if (((CPUARMState *)cpu_env)->eabi) {
4500
                    lock_user_struct(target_efl, arg3, 0);
P
pbrook 已提交
4501 4502 4503 4504 4505
                    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);
4506
                    unlock_user_struct(target_efl, arg3, 1);
P
pbrook 已提交
4507 4508 4509
                } else
#endif
                {
4510
                    lock_user_struct(target_fl, arg3, 0);
P
pbrook 已提交
4511 4512 4513 4514 4515
                    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);
4516
                    unlock_user_struct(target_fl, arg3, 1);
P
pbrook 已提交
4517
                }
B
bellard 已提交
4518 4519 4520
	    }
	    break;

T
ths 已提交
4521 4522
        case TARGET_F_SETLK64:
        case TARGET_F_SETLKW64:
P
pbrook 已提交
4523 4524
#ifdef TARGET_ARM
            if (((CPUARMState *)cpu_env)->eabi) {
4525
                lock_user_struct(target_efl, arg3, 1);
P
pbrook 已提交
4526 4527 4528 4529 4530
                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);
4531
                unlock_user_struct(target_efl, arg3, 0);
P
pbrook 已提交
4532 4533 4534
            } else
#endif
            {
4535
                lock_user_struct(target_fl, arg3, 1);
P
pbrook 已提交
4536 4537 4538 4539 4540
                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);
4541
                unlock_user_struct(target_fl, arg3, 0);
P
pbrook 已提交
4542
            }
T
ths 已提交
4543
            ret = get_errno(fcntl(arg1, cmd, &fl));
B
bellard 已提交
4544
	    break;
B
bellard 已提交
4545
        default:
T
ths 已提交
4546
            ret = get_errno(do_fcntl(arg1, cmd, arg3));
B
bellard 已提交
4547 4548
            break;
        }
B
bellard 已提交
4549 4550
	break;
    }
B
bellard 已提交
4551
#endif
4552 4553 4554 4555 4556 4557
#ifdef TARGET_NR_cacheflush
    case TARGET_NR_cacheflush:
        /* self-modifying code is handled automatically, so nothing needed */
        ret = 0;
        break;
#endif
4558
#ifdef TARGET_NR_security
4559 4560
    case TARGET_NR_security:
        goto unimplemented;
B
bellard 已提交
4561 4562 4563 4564 4565
#endif
#ifdef TARGET_NR_getpagesize
    case TARGET_NR_getpagesize:
        ret = TARGET_PAGE_SIZE;
        break;
4566
#endif
4567 4568 4569
    case TARGET_NR_gettid:
        ret = get_errno(gettid());
        break;
4570
#ifdef TARGET_NR_readahead
4571
    case TARGET_NR_readahead:
B
bellard 已提交
4572
        goto unimplemented;
4573
#endif
4574
#ifdef TARGET_NR_setxattr
4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586
    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:
B
bellard 已提交
4587
        goto unimplemented_nowarn;
4588 4589
#endif
#ifdef TARGET_NR_set_thread_area
B
bellard 已提交
4590
    case TARGET_NR_set_thread_area:
4591 4592 4593 4594 4595 4596 4597 4598 4599
#ifdef TARGET_MIPS
      ((CPUMIPSState *) cpu_env)->tls_value = arg1;
      ret = 0;
      break;
#else
      goto unimplemented_nowarn;
#endif
#endif
#ifdef TARGET_NR_get_thread_area
B
bellard 已提交
4600 4601
    case TARGET_NR_get_thread_area:
        goto unimplemented_nowarn;
B
bellard 已提交
4602 4603 4604 4605
#endif
#ifdef TARGET_NR_getdomainname
    case TARGET_NR_getdomainname:
        goto unimplemented_nowarn;
4606
#endif
4607

4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630
#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

4631 4632 4633 4634 4635 4636
#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

T
ths 已提交
4637 4638 4639 4640 4641 4642
#ifdef TARGET_NR_tkill
    case TARGET_NR_tkill:
        ret = get_errno(sys_tkill((int)arg1, (int)arg2));
        break;
#endif

T
ths 已提交
4643 4644 4645 4646 4647 4648
#ifdef TARGET_NR_tgkill
    case TARGET_NR_tgkill:
	ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
	break;
#endif

4649 4650 4651 4652 4653
#ifdef TARGET_NR_set_robust_list
    case TARGET_NR_set_robust_list:
	goto unimplemented_nowarn;
#endif

4654 4655
    default:
    unimplemented:
B
bellard 已提交
4656
        gemu_log("qemu: Unsupported syscall: %d\n", num);
4657
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
B
bellard 已提交
4658
    unimplemented_nowarn:
B
bellard 已提交
4659
#endif
4660 4661 4662 4663
        ret = -ENOSYS;
        break;
    }
 fail:
B
bellard 已提交
4664 4665 4666
#ifdef DEBUG
    gemu_log(" = %ld\n", ret);
#endif
4667 4668 4669
    return ret;
}