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/*
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* Linux syscalls
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#define _ATFILE_SOURCE
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#include <elf.h> |
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#include <endian.h> |
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#include <errno.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <time.h> |
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#include <limits.h> |
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#include <sys/types.h> |
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#include <sys/ipc.h> |
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#include <sys/msg.h> |
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#include <sys/wait.h> |
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#include <sys/time.h> |
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#include <sys/stat.h> |
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#include <sys/mount.h> |
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#include <sys/prctl.h> |
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#include <sys/resource.h> |
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#include <sys/mman.h> |
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#include <sys/swap.h> |
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#include <signal.h> |
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#include <sched.h> |
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#include <sys/socket.h> |
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#include <sys/un.h> |
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#include <sys/uio.h> |
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#include <sys/poll.h> |
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#include <sys/times.h> |
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#include <sys/shm.h> |
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#include <sys/sem.h> |
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#include <sys/statfs.h> |
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#include <utime.h> |
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#include <sys/sysinfo.h> |
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#include <sys/utsname.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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#include <qemu-common.h> |
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#ifdef TARGET_GPROF
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#include <sys/gmon.h> |
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#endif
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#ifdef CONFIG_EVENTFD
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#include <sys/eventfd.h> |
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#endif
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#define termios host_termios
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#define winsize host_winsize
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#define termio host_termio
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#define sgttyb host_sgttyb /* same as target */ |
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#define tchars host_tchars /* same as target */ |
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#define ltchars host_ltchars /* same as target */ |
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#include <linux/termios.h> |
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#include <linux/unistd.h> |
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#include <linux/utsname.h> |
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#include <linux/cdrom.h> |
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#include <linux/hdreg.h> |
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#include <linux/soundcard.h> |
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#include <linux/kd.h> |
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#include <linux/mtio.h> |
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#include <linux/fs.h> |
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#include "linux_loop.h" |
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#include "qemu.h" |
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#include "qemu-common.h" |
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#if defined(CONFIG_USE_NPTL)
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#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
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CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID) |
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#else
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/* XXX: Hardcode the above values. */
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#define CLONE_NPTL_FLAGS2 0 |
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#endif
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//#define DEBUG
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//#include <linux/msdos_fs.h>
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#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
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#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) |
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#undef _syscall0
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#undef _syscall1
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#undef _syscall2
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#undef _syscall3
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#undef _syscall4
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#undef _syscall5
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#undef _syscall6
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#define _syscall0(type,name) \
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static type name (void) \ |
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{ \ |
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return syscall(__NR_##name); \ |
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} |
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#define _syscall1(type,name,type1,arg1) \
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static type name (type1 arg1) \
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{ \ |
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return syscall(__NR_##name, arg1); \ |
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} |
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#define _syscall2(type,name,type1,arg1,type2,arg2) \
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static type name (type1 arg1,type2 arg2) \
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{ \ |
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return syscall(__NR_##name, arg1, arg2); \ |
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} |
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#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
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static type name (type1 arg1,type2 arg2,type3 arg3) \
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{ \ |
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return syscall(__NR_##name, arg1, arg2, arg3); \ |
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} |
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#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
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static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
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{ \ |
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return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ |
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} |
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5) \ |
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static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
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{ \ |
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return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ |
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} |
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#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5,type6,arg6) \ |
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static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
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type6 arg6) \ |
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{ \ |
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return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ |
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} |
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#define __NR_sys_uname __NR_uname
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#define __NR_sys_faccessat __NR_faccessat
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#define __NR_sys_fchmodat __NR_fchmodat
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#define __NR_sys_fchownat __NR_fchownat
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#define __NR_sys_fstatat64 __NR_fstatat64
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#define __NR_sys_futimesat __NR_futimesat
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#define __NR_sys_getcwd1 __NR_getcwd
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#define __NR_sys_getdents __NR_getdents
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#define __NR_sys_getdents64 __NR_getdents64
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#define __NR_sys_getpriority __NR_getpriority
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#define __NR_sys_linkat __NR_linkat
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#define __NR_sys_mkdirat __NR_mkdirat
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#define __NR_sys_mknodat __NR_mknodat
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#define __NR_sys_newfstatat __NR_newfstatat
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#define __NR_sys_openat __NR_openat
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#define __NR_sys_readlinkat __NR_readlinkat
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#define __NR_sys_renameat __NR_renameat
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#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
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#define __NR_sys_symlinkat __NR_symlinkat
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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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#define __NR_sys_unlinkat __NR_unlinkat
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#define __NR_sys_utimensat __NR_utimensat
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#define __NR_sys_futex __NR_futex
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#define __NR_sys_inotify_init __NR_inotify_init
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#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
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#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
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#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
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#define __NR__llseek __NR_lseek
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#endif
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#ifdef __NR_gettid
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_syscall0(int, gettid)
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#else
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/* This is a replacement for the host gettid() and must return a host
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errno. */
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static int gettid(void) { |
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return -ENOSYS;
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} |
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#endif
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_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
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#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
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_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
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#endif
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_syscall2(int, sys_getpriority, int, which, int, who); |
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#if defined(TARGET_NR__llseek) && !defined (__x86_64__)
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_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
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loff_t *, res, uint, wh); |
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#endif
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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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#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
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_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) |
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#endif
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#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
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_syscall2(int,sys_tkill,int,tid,int,sig) |
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#endif
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#ifdef __NR_exit_group
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_syscall1(int,exit_group,int,error_code) |
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#endif
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#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
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_syscall1(int,set_tid_address,int *,tidptr) |
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#endif
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#if defined(CONFIG_USE_NPTL)
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#if defined(TARGET_NR_futex) && defined(__NR_futex)
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_syscall6(int,sys_futex,int *,uaddr,int,op,int,val, |
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const struct timespec *,timeout,int *,uaddr2,int,val3) |
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#endif
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#endif
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static bitmask_transtbl fcntl_flags_tbl[] = {
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{ TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, |
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{ TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, |
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{ TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, |
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{ TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, |
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{ TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, |
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{ TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, |
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{ TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, |
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{ TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, |
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{ TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
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{ TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, |
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{ TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, |
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{ TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, |
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{ TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, |
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#if defined(O_DIRECT)
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{ TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, |
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#endif
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{ 0, 0, 0, 0 } |
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}; |
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#define COPY_UTSNAME_FIELD(dest, src) \
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do { \
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/* __NEW_UTS_LEN doesn't include terminating null */ \
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(void) strncpy((dest), (src), __NEW_UTS_LEN); \
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(dest)[__NEW_UTS_LEN] = '\0'; \
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} while (0) |
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static int sys_uname(struct new_utsname *buf) |
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{ |
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struct utsname uts_buf;
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if (uname(&uts_buf) < 0) |
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return (-1); |
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/*
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* Just in case these have some differences, we
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* translate utsname to new_utsname (which is the
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* struct linux kernel uses).
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*/
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bzero(buf, sizeof (*buf));
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COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname); |
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COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename); |
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COPY_UTSNAME_FIELD(buf->release, uts_buf.release); |
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COPY_UTSNAME_FIELD(buf->version, uts_buf.version); |
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COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine); |
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#ifdef _GNU_SOURCE
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COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname); |
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#endif
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return (0); |
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#undef COPY_UTSNAME_FIELD
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} |
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static int sys_getcwd1(char *buf, size_t size) |
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{ |
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if (getcwd(buf, size) == NULL) { |
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/* getcwd() sets errno */
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return (-1); |
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} |
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return strlen(buf)+1; |
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} |
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#ifdef CONFIG_ATFILE
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/*
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* Host system seems to have atfile syscall stubs available. We
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* now enable them one by one as specified by target syscall_nr.h.
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*/
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#ifdef TARGET_NR_faccessat
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static int sys_faccessat(int dirfd, const char *pathname, int mode) |
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{ |
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return (faccessat(dirfd, pathname, mode, 0)); |
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} |
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#endif
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#ifdef TARGET_NR_fchmodat
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static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode) |
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{ |
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return (fchmodat(dirfd, pathname, mode, 0)); |
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} |
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#endif
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#if defined(TARGET_NR_fchownat) && defined(USE_UID16)
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static int sys_fchownat(int dirfd, const char *pathname, uid_t owner, |
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gid_t group, int flags)
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{ |
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return (fchownat(dirfd, pathname, owner, group, flags));
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} |
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#endif
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#ifdef __NR_fstatat64
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static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf, |
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int flags)
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{ |
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return (fstatat(dirfd, pathname, buf, flags));
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} |
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#endif
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#ifdef __NR_newfstatat
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static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf, |
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int flags)
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{ |
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return (fstatat(dirfd, pathname, buf, flags));
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} |
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#endif
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#ifdef TARGET_NR_futimesat
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static int sys_futimesat(int dirfd, const char *pathname, |
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const struct timeval times[2]) |
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{ |
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return (futimesat(dirfd, pathname, times));
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} |
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#endif
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#ifdef TARGET_NR_linkat
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static int sys_linkat(int olddirfd, const char *oldpath, |
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int newdirfd, const char *newpath, int flags) |
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{ |
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return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
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} |
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#endif
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#ifdef TARGET_NR_mkdirat
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static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode) |
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{ |
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return (mkdirat(dirfd, pathname, mode));
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} |
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#endif
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#ifdef TARGET_NR_mknodat
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static int sys_mknodat(int dirfd, const char *pathname, mode_t mode, |
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dev_t dev) |
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{ |
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return (mknodat(dirfd, pathname, mode, dev));
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} |
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#endif
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#ifdef TARGET_NR_openat
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static int sys_openat(int dirfd, const char *pathname, int flags, ...) |
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{ |
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/*
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* open(2) has extra parameter 'mode' when called with
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* flag O_CREAT.
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*/
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if ((flags & O_CREAT) != 0) { |
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va_list ap; |
367 |
mode_t mode; |
368 |
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/*
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* Get the 'mode' parameter and translate it to
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* host bits.
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*/
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va_start(ap, flags); |
374 |
mode = va_arg(ap, mode_t); |
375 |
mode = target_to_host_bitmask(mode, fcntl_flags_tbl); |
376 |
va_end(ap); |
377 |
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return (openat(dirfd, pathname, flags, mode));
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} |
380 |
return (openat(dirfd, pathname, flags));
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} |
382 |
#endif
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#ifdef TARGET_NR_readlinkat
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static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz) |
385 |
{ |
386 |
return (readlinkat(dirfd, pathname, buf, bufsiz));
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} |
388 |
#endif
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#ifdef TARGET_NR_renameat
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static int sys_renameat(int olddirfd, const char *oldpath, |
391 |
int newdirfd, const char *newpath) |
392 |
{ |
393 |
return (renameat(olddirfd, oldpath, newdirfd, newpath));
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} |
395 |
#endif
|
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#ifdef TARGET_NR_symlinkat
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static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath) |
398 |
{ |
399 |
return (symlinkat(oldpath, newdirfd, newpath));
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} |
401 |
#endif
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#ifdef TARGET_NR_unlinkat
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static int sys_unlinkat(int dirfd, const char *pathname, int flags) |
404 |
{ |
405 |
return (unlinkat(dirfd, pathname, flags));
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} |
407 |
#endif
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#else /* !CONFIG_ATFILE */ |
409 |
|
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/*
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* Try direct syscalls instead
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*/
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#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
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_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode) |
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#endif
|
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#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
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_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode) |
418 |
#endif
|
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#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
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_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, |
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uid_t,owner,gid_t,group,int,flags)
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#endif
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#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
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defined(__NR_fstatat64) |
425 |
_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname, |
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struct stat *,buf,int,flags) |
427 |
#endif
|
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#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
|
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_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname, |
430 |
const struct timeval *,times) |
431 |
#endif
|
432 |
#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
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defined(__NR_newfstatat) |
434 |
_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname, |
435 |
struct stat *,buf,int,flags) |
436 |
#endif
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#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
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_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath, |
439 |
int,newdirfd,const char *,newpath,int,flags) |
440 |
#endif
|
441 |
#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
|
442 |
_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) |
443 |
#endif
|
444 |
#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
|
445 |
_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, |
446 |
mode_t,mode,dev_t,dev) |
447 |
#endif
|
448 |
#if defined(TARGET_NR_openat) && defined(__NR_openat)
|
449 |
_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) |
450 |
#endif
|
451 |
#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
|
452 |
_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname, |
453 |
char *,buf,size_t,bufsize)
|
454 |
#endif
|
455 |
#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
|
456 |
_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, |
457 |
int,newdirfd,const char *,newpath) |
458 |
#endif
|
459 |
#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
|
460 |
_syscall3(int,sys_symlinkat,const char *,oldpath, |
461 |
int,newdirfd,const char *,newpath) |
462 |
#endif
|
463 |
#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
|
464 |
_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) |
465 |
#endif
|
466 |
|
467 |
#endif /* CONFIG_ATFILE */ |
468 |
|
469 |
#ifdef CONFIG_UTIMENSAT
|
470 |
static int sys_utimensat(int dirfd, const char *pathname, |
471 |
const struct timespec times[2], int flags) |
472 |
{ |
473 |
if (pathname == NULL) |
474 |
return futimens(dirfd, times);
|
475 |
else
|
476 |
return utimensat(dirfd, pathname, times, flags);
|
477 |
} |
478 |
#else
|
479 |
#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
|
480 |
_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
481 |
const struct timespec *,tsp,int,flags) |
482 |
#endif
|
483 |
#endif /* CONFIG_UTIMENSAT */ |
484 |
|
485 |
#ifdef CONFIG_INOTIFY
|
486 |
#include <sys/inotify.h> |
487 |
|
488 |
#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
|
489 |
static int sys_inotify_init(void) |
490 |
{ |
491 |
return (inotify_init());
|
492 |
} |
493 |
#endif
|
494 |
#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
|
495 |
static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
496 |
{ |
497 |
return (inotify_add_watch(fd, pathname, mask));
|
498 |
} |
499 |
#endif
|
500 |
#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
|
501 |
static int sys_inotify_rm_watch(int fd, int32_t wd) |
502 |
{ |
503 |
return (inotify_rm_watch(fd, wd));
|
504 |
} |
505 |
#endif
|
506 |
#else
|
507 |
/* Userspace can usually survive runtime without inotify */
|
508 |
#undef TARGET_NR_inotify_init
|
509 |
#undef TARGET_NR_inotify_add_watch
|
510 |
#undef TARGET_NR_inotify_rm_watch
|
511 |
#endif /* CONFIG_INOTIFY */ |
512 |
|
513 |
|
514 |
extern int personality(int); |
515 |
extern int flock(int, int); |
516 |
extern int setfsuid(int); |
517 |
extern int setfsgid(int); |
518 |
extern int setgroups(int, gid_t *); |
519 |
|
520 |
#define ERRNO_TABLE_SIZE 1200 |
521 |
|
522 |
/* target_to_host_errno_table[] is initialized from
|
523 |
* host_to_target_errno_table[] in syscall_init(). */
|
524 |
static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
|
525 |
}; |
526 |
|
527 |
/*
|
528 |
* This list is the union of errno values overridden in asm-<arch>/errno.h
|
529 |
* minus the errnos that are not actually generic to all archs.
|
530 |
*/
|
531 |
static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
|
532 |
[EIDRM] = TARGET_EIDRM, |
533 |
[ECHRNG] = TARGET_ECHRNG, |
534 |
[EL2NSYNC] = TARGET_EL2NSYNC, |
535 |
[EL3HLT] = TARGET_EL3HLT, |
536 |
[EL3RST] = TARGET_EL3RST, |
537 |
[ELNRNG] = TARGET_ELNRNG, |
538 |
[EUNATCH] = TARGET_EUNATCH, |
539 |
[ENOCSI] = TARGET_ENOCSI, |
540 |
[EL2HLT] = TARGET_EL2HLT, |
541 |
[EDEADLK] = TARGET_EDEADLK, |
542 |
[ENOLCK] = TARGET_ENOLCK, |
543 |
[EBADE] = TARGET_EBADE, |
544 |
[EBADR] = TARGET_EBADR, |
545 |
[EXFULL] = TARGET_EXFULL, |
546 |
[ENOANO] = TARGET_ENOANO, |
547 |
[EBADRQC] = TARGET_EBADRQC, |
548 |
[EBADSLT] = TARGET_EBADSLT, |
549 |
[EBFONT] = TARGET_EBFONT, |
550 |
[ENOSTR] = TARGET_ENOSTR, |
551 |
[ENODATA] = TARGET_ENODATA, |
552 |
[ETIME] = TARGET_ETIME, |
553 |
[ENOSR] = TARGET_ENOSR, |
554 |
[ENONET] = TARGET_ENONET, |
555 |
[ENOPKG] = TARGET_ENOPKG, |
556 |
[EREMOTE] = TARGET_EREMOTE, |
557 |
[ENOLINK] = TARGET_ENOLINK, |
558 |
[EADV] = TARGET_EADV, |
559 |
[ESRMNT] = TARGET_ESRMNT, |
560 |
[ECOMM] = TARGET_ECOMM, |
561 |
[EPROTO] = TARGET_EPROTO, |
562 |
[EDOTDOT] = TARGET_EDOTDOT, |
563 |
[EMULTIHOP] = TARGET_EMULTIHOP, |
564 |
[EBADMSG] = TARGET_EBADMSG, |
565 |
[ENAMETOOLONG] = TARGET_ENAMETOOLONG, |
566 |
[EOVERFLOW] = TARGET_EOVERFLOW, |
567 |
[ENOTUNIQ] = TARGET_ENOTUNIQ, |
568 |
[EBADFD] = TARGET_EBADFD, |
569 |
[EREMCHG] = TARGET_EREMCHG, |
570 |
[ELIBACC] = TARGET_ELIBACC, |
571 |
[ELIBBAD] = TARGET_ELIBBAD, |
572 |
[ELIBSCN] = TARGET_ELIBSCN, |
573 |
[ELIBMAX] = TARGET_ELIBMAX, |
574 |
[ELIBEXEC] = TARGET_ELIBEXEC, |
575 |
[EILSEQ] = TARGET_EILSEQ, |
576 |
[ENOSYS] = TARGET_ENOSYS, |
577 |
[ELOOP] = TARGET_ELOOP, |
578 |
[ERESTART] = TARGET_ERESTART, |
579 |
[ESTRPIPE] = TARGET_ESTRPIPE, |
580 |
[ENOTEMPTY] = TARGET_ENOTEMPTY, |
581 |
[EUSERS] = TARGET_EUSERS, |
582 |
[ENOTSOCK] = TARGET_ENOTSOCK, |
583 |
[EDESTADDRREQ] = TARGET_EDESTADDRREQ, |
584 |
[EMSGSIZE] = TARGET_EMSGSIZE, |
585 |
[EPROTOTYPE] = TARGET_EPROTOTYPE, |
586 |
[ENOPROTOOPT] = TARGET_ENOPROTOOPT, |
587 |
[EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, |
588 |
[ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, |
589 |
[EOPNOTSUPP] = TARGET_EOPNOTSUPP, |
590 |
[EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, |
591 |
[EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, |
592 |
[EADDRINUSE] = TARGET_EADDRINUSE, |
593 |
[EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, |
594 |
[ENETDOWN] = TARGET_ENETDOWN, |
595 |
[ENETUNREACH] = TARGET_ENETUNREACH, |
596 |
[ENETRESET] = TARGET_ENETRESET, |
597 |
[ECONNABORTED] = TARGET_ECONNABORTED, |
598 |
[ECONNRESET] = TARGET_ECONNRESET, |
599 |
[ENOBUFS] = TARGET_ENOBUFS, |
600 |
[EISCONN] = TARGET_EISCONN, |
601 |
[ENOTCONN] = TARGET_ENOTCONN, |
602 |
[EUCLEAN] = TARGET_EUCLEAN, |
603 |
[ENOTNAM] = TARGET_ENOTNAM, |
604 |
[ENAVAIL] = TARGET_ENAVAIL, |
605 |
[EISNAM] = TARGET_EISNAM, |
606 |
[EREMOTEIO] = TARGET_EREMOTEIO, |
607 |
[ESHUTDOWN] = TARGET_ESHUTDOWN, |
608 |
[ETOOMANYREFS] = TARGET_ETOOMANYREFS, |
609 |
[ETIMEDOUT] = TARGET_ETIMEDOUT, |
610 |
[ECONNREFUSED] = TARGET_ECONNREFUSED, |
611 |
[EHOSTDOWN] = TARGET_EHOSTDOWN, |
612 |
[EHOSTUNREACH] = TARGET_EHOSTUNREACH, |
613 |
[EALREADY] = TARGET_EALREADY, |
614 |
[EINPROGRESS] = TARGET_EINPROGRESS, |
615 |
[ESTALE] = TARGET_ESTALE, |
616 |
[ECANCELED] = TARGET_ECANCELED, |
617 |
[ENOMEDIUM] = TARGET_ENOMEDIUM, |
618 |
[EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, |
619 |
#ifdef ENOKEY
|
620 |
[ENOKEY] = TARGET_ENOKEY, |
621 |
#endif
|
622 |
#ifdef EKEYEXPIRED
|
623 |
[EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
624 |
#endif
|
625 |
#ifdef EKEYREVOKED
|
626 |
[EKEYREVOKED] = TARGET_EKEYREVOKED, |
627 |
#endif
|
628 |
#ifdef EKEYREJECTED
|
629 |
[EKEYREJECTED] = TARGET_EKEYREJECTED, |
630 |
#endif
|
631 |
#ifdef EOWNERDEAD
|
632 |
[EOWNERDEAD] = TARGET_EOWNERDEAD, |
633 |
#endif
|
634 |
#ifdef ENOTRECOVERABLE
|
635 |
[ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
636 |
#endif
|
637 |
}; |
638 |
|
639 |
static inline int host_to_target_errno(int err) |
640 |
{ |
641 |
if(host_to_target_errno_table[err])
|
642 |
return host_to_target_errno_table[err];
|
643 |
return err;
|
644 |
} |
645 |
|
646 |
static inline int target_to_host_errno(int err) |
647 |
{ |
648 |
if (target_to_host_errno_table[err])
|
649 |
return target_to_host_errno_table[err];
|
650 |
return err;
|
651 |
} |
652 |
|
653 |
static inline abi_long get_errno(abi_long ret) |
654 |
{ |
655 |
if (ret == -1) |
656 |
return -host_to_target_errno(errno);
|
657 |
else
|
658 |
return ret;
|
659 |
} |
660 |
|
661 |
static inline int is_error(abi_long ret) |
662 |
{ |
663 |
return (abi_ulong)ret >= (abi_ulong)(-4096); |
664 |
} |
665 |
|
666 |
char *target_strerror(int err) |
667 |
{ |
668 |
return strerror(target_to_host_errno(err));
|
669 |
} |
670 |
|
671 |
static abi_ulong target_brk;
|
672 |
static abi_ulong target_original_brk;
|
673 |
|
674 |
void target_set_brk(abi_ulong new_brk)
|
675 |
{ |
676 |
target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
677 |
} |
678 |
|
679 |
/* do_brk() must return target values and target errnos. */
|
680 |
abi_long do_brk(abi_ulong new_brk) |
681 |
{ |
682 |
abi_ulong brk_page; |
683 |
abi_long mapped_addr; |
684 |
int new_alloc_size;
|
685 |
|
686 |
if (!new_brk)
|
687 |
return target_brk;
|
688 |
if (new_brk < target_original_brk)
|
689 |
return target_brk;
|
690 |
|
691 |
brk_page = HOST_PAGE_ALIGN(target_brk); |
692 |
|
693 |
/* If the new brk is less than this, set it and we're done... */
|
694 |
if (new_brk < brk_page) {
|
695 |
target_brk = new_brk; |
696 |
return target_brk;
|
697 |
} |
698 |
|
699 |
/* We need to allocate more memory after the brk... */
|
700 |
new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
|
701 |
mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
702 |
PROT_READ|PROT_WRITE, |
703 |
MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); |
704 |
|
705 |
if (!is_error(mapped_addr))
|
706 |
target_brk = new_brk; |
707 |
|
708 |
return target_brk;
|
709 |
} |
710 |
|
711 |
static inline abi_long copy_from_user_fdset(fd_set *fds, |
712 |
abi_ulong target_fds_addr, |
713 |
int n)
|
714 |
{ |
715 |
int i, nw, j, k;
|
716 |
abi_ulong b, *target_fds; |
717 |
|
718 |
nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
|
719 |
if (!(target_fds = lock_user(VERIFY_READ,
|
720 |
target_fds_addr, |
721 |
sizeof(abi_ulong) * nw,
|
722 |
1)))
|
723 |
return -TARGET_EFAULT;
|
724 |
|
725 |
FD_ZERO(fds); |
726 |
k = 0;
|
727 |
for (i = 0; i < nw; i++) { |
728 |
/* grab the abi_ulong */
|
729 |
__get_user(b, &target_fds[i]); |
730 |
for (j = 0; j < TARGET_ABI_BITS; j++) { |
731 |
/* check the bit inside the abi_ulong */
|
732 |
if ((b >> j) & 1) |
733 |
FD_SET(k, fds); |
734 |
k++; |
735 |
} |
736 |
} |
737 |
|
738 |
unlock_user(target_fds, target_fds_addr, 0);
|
739 |
|
740 |
return 0; |
741 |
} |
742 |
|
743 |
static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
744 |
const fd_set *fds,
|
745 |
int n)
|
746 |
{ |
747 |
int i, nw, j, k;
|
748 |
abi_long v; |
749 |
abi_ulong *target_fds; |
750 |
|
751 |
nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
|
752 |
if (!(target_fds = lock_user(VERIFY_WRITE,
|
753 |
target_fds_addr, |
754 |
sizeof(abi_ulong) * nw,
|
755 |
0)))
|
756 |
return -TARGET_EFAULT;
|
757 |
|
758 |
k = 0;
|
759 |
for (i = 0; i < nw; i++) { |
760 |
v = 0;
|
761 |
for (j = 0; j < TARGET_ABI_BITS; j++) { |
762 |
v |= ((FD_ISSET(k, fds) != 0) << j);
|
763 |
k++; |
764 |
} |
765 |
__put_user(v, &target_fds[i]); |
766 |
} |
767 |
|
768 |
unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
|
769 |
|
770 |
return 0; |
771 |
} |
772 |
|
773 |
#if defined(__alpha__)
|
774 |
#define HOST_HZ 1024 |
775 |
#else
|
776 |
#define HOST_HZ 100 |
777 |
#endif
|
778 |
|
779 |
static inline abi_long host_to_target_clock_t(long ticks) |
780 |
{ |
781 |
#if HOST_HZ == TARGET_HZ
|
782 |
return ticks;
|
783 |
#else
|
784 |
return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
|
785 |
#endif
|
786 |
} |
787 |
|
788 |
static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
789 |
const struct rusage *rusage) |
790 |
{ |
791 |
struct target_rusage *target_rusage;
|
792 |
|
793 |
if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
794 |
return -TARGET_EFAULT;
|
795 |
target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); |
796 |
target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); |
797 |
target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); |
798 |
target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); |
799 |
target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); |
800 |
target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); |
801 |
target_rusage->ru_idrss = tswapl(rusage->ru_idrss); |
802 |
target_rusage->ru_isrss = tswapl(rusage->ru_isrss); |
803 |
target_rusage->ru_minflt = tswapl(rusage->ru_minflt); |
804 |
target_rusage->ru_majflt = tswapl(rusage->ru_majflt); |
805 |
target_rusage->ru_nswap = tswapl(rusage->ru_nswap); |
806 |
target_rusage->ru_inblock = tswapl(rusage->ru_inblock); |
807 |
target_rusage->ru_oublock = tswapl(rusage->ru_oublock); |
808 |
target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); |
809 |
target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); |
810 |
target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); |
811 |
target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); |
812 |
target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); |
813 |
unlock_user_struct(target_rusage, target_addr, 1);
|
814 |
|
815 |
return 0; |
816 |
} |
817 |
|
818 |
static inline abi_long copy_from_user_timeval(struct timeval *tv, |
819 |
abi_ulong target_tv_addr) |
820 |
{ |
821 |
struct target_timeval *target_tv;
|
822 |
|
823 |
if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
824 |
return -TARGET_EFAULT;
|
825 |
|
826 |
__get_user(tv->tv_sec, &target_tv->tv_sec); |
827 |
__get_user(tv->tv_usec, &target_tv->tv_usec); |
828 |
|
829 |
unlock_user_struct(target_tv, target_tv_addr, 0);
|
830 |
|
831 |
return 0; |
832 |
} |
833 |
|
834 |
static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
835 |
const struct timeval *tv) |
836 |
{ |
837 |
struct target_timeval *target_tv;
|
838 |
|
839 |
if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
840 |
return -TARGET_EFAULT;
|
841 |
|
842 |
__put_user(tv->tv_sec, &target_tv->tv_sec); |
843 |
__put_user(tv->tv_usec, &target_tv->tv_usec); |
844 |
|
845 |
unlock_user_struct(target_tv, target_tv_addr, 1);
|
846 |
|
847 |
return 0; |
848 |
} |
849 |
|
850 |
#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
|
851 |
#include <mqueue.h> |
852 |
|
853 |
static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
854 |
abi_ulong target_mq_attr_addr) |
855 |
{ |
856 |
struct target_mq_attr *target_mq_attr;
|
857 |
|
858 |
if (!lock_user_struct(VERIFY_READ, target_mq_attr,
|
859 |
target_mq_attr_addr, 1))
|
860 |
return -TARGET_EFAULT;
|
861 |
|
862 |
__get_user(attr->mq_flags, &target_mq_attr->mq_flags); |
863 |
__get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); |
864 |
__get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); |
865 |
__get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); |
866 |
|
867 |
unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
|
868 |
|
869 |
return 0; |
870 |
} |
871 |
|
872 |
static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, |
873 |
const struct mq_attr *attr) |
874 |
{ |
875 |
struct target_mq_attr *target_mq_attr;
|
876 |
|
877 |
if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
|
878 |
target_mq_attr_addr, 0))
|
879 |
return -TARGET_EFAULT;
|
880 |
|
881 |
__put_user(attr->mq_flags, &target_mq_attr->mq_flags); |
882 |
__put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); |
883 |
__put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); |
884 |
__put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); |
885 |
|
886 |
unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
|
887 |
|
888 |
return 0; |
889 |
} |
890 |
#endif
|
891 |
|
892 |
/* do_select() must return target values and target errnos. */
|
893 |
static abi_long do_select(int n, |
894 |
abi_ulong rfd_addr, abi_ulong wfd_addr, |
895 |
abi_ulong efd_addr, abi_ulong target_tv_addr) |
896 |
{ |
897 |
fd_set rfds, wfds, efds; |
898 |
fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; |
899 |
struct timeval tv, *tv_ptr;
|
900 |
abi_long ret; |
901 |
|
902 |
if (rfd_addr) {
|
903 |
if (copy_from_user_fdset(&rfds, rfd_addr, n))
|
904 |
return -TARGET_EFAULT;
|
905 |
rfds_ptr = &rfds; |
906 |
} else {
|
907 |
rfds_ptr = NULL;
|
908 |
} |
909 |
if (wfd_addr) {
|
910 |
if (copy_from_user_fdset(&wfds, wfd_addr, n))
|
911 |
return -TARGET_EFAULT;
|
912 |
wfds_ptr = &wfds; |
913 |
} else {
|
914 |
wfds_ptr = NULL;
|
915 |
} |
916 |
if (efd_addr) {
|
917 |
if (copy_from_user_fdset(&efds, efd_addr, n))
|
918 |
return -TARGET_EFAULT;
|
919 |
efds_ptr = &efds; |
920 |
} else {
|
921 |
efds_ptr = NULL;
|
922 |
} |
923 |
|
924 |
if (target_tv_addr) {
|
925 |
if (copy_from_user_timeval(&tv, target_tv_addr))
|
926 |
return -TARGET_EFAULT;
|
927 |
tv_ptr = &tv; |
928 |
} else {
|
929 |
tv_ptr = NULL;
|
930 |
} |
931 |
|
932 |
ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
933 |
|
934 |
if (!is_error(ret)) {
|
935 |
if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
|
936 |
return -TARGET_EFAULT;
|
937 |
if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
|
938 |
return -TARGET_EFAULT;
|
939 |
if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
|
940 |
return -TARGET_EFAULT;
|
941 |
|
942 |
if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
|
943 |
return -TARGET_EFAULT;
|
944 |
} |
945 |
|
946 |
return ret;
|
947 |
} |
948 |
|
949 |
static abi_long do_pipe2(int host_pipe[], int flags) |
950 |
{ |
951 |
#ifdef CONFIG_PIPE2
|
952 |
return pipe2(host_pipe, flags);
|
953 |
#else
|
954 |
return -ENOSYS;
|
955 |
#endif
|
956 |
} |
957 |
|
958 |
static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, int flags) |
959 |
{ |
960 |
int host_pipe[2]; |
961 |
abi_long ret; |
962 |
ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); |
963 |
|
964 |
if (is_error(ret))
|
965 |
return get_errno(ret);
|
966 |
#if defined(TARGET_MIPS)
|
967 |
((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; |
968 |
ret = host_pipe[0];
|
969 |
#elif defined(TARGET_SH4)
|
970 |
((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
971 |
ret = host_pipe[0];
|
972 |
#else
|
973 |
if (put_user_s32(host_pipe[0], pipedes) |
974 |
|| put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) |
975 |
return -TARGET_EFAULT;
|
976 |
#endif
|
977 |
return get_errno(ret);
|
978 |
} |
979 |
|
980 |
static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
981 |
abi_ulong target_addr, |
982 |
socklen_t len) |
983 |
{ |
984 |
struct target_ip_mreqn *target_smreqn;
|
985 |
|
986 |
target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
|
987 |
if (!target_smreqn)
|
988 |
return -TARGET_EFAULT;
|
989 |
mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; |
990 |
mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; |
991 |
if (len == sizeof(struct target_ip_mreqn)) |
992 |
mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex); |
993 |
unlock_user(target_smreqn, target_addr, 0);
|
994 |
|
995 |
return 0; |
996 |
} |
997 |
|
998 |
static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, |
999 |
abi_ulong target_addr, |
1000 |
socklen_t len) |
1001 |
{ |
1002 |
const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1003 |
sa_family_t sa_family; |
1004 |
struct target_sockaddr *target_saddr;
|
1005 |
|
1006 |
target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
|
1007 |
if (!target_saddr)
|
1008 |
return -TARGET_EFAULT;
|
1009 |
|
1010 |
sa_family = tswap16(target_saddr->sa_family); |
1011 |
|
1012 |
/* Oops. The caller might send a incomplete sun_path; sun_path
|
1013 |
* must be terminated by \0 (see the manual page), but
|
1014 |
* unfortunately it is quite common to specify sockaddr_un
|
1015 |
* length as "strlen(x->sun_path)" while it should be
|
1016 |
* "strlen(...) + 1". We'll fix that here if needed.
|
1017 |
* Linux kernel has a similar feature.
|
1018 |
*/
|
1019 |
|
1020 |
if (sa_family == AF_UNIX) {
|
1021 |
if (len < unix_maxlen && len > 0) { |
1022 |
char *cp = (char*)target_saddr; |
1023 |
|
1024 |
if ( cp[len-1] && !cp[len] ) |
1025 |
len++; |
1026 |
} |
1027 |
if (len > unix_maxlen)
|
1028 |
len = unix_maxlen; |
1029 |
} |
1030 |
|
1031 |
memcpy(addr, target_saddr, len); |
1032 |
addr->sa_family = sa_family; |
1033 |
unlock_user(target_saddr, target_addr, 0);
|
1034 |
|
1035 |
return 0; |
1036 |
} |
1037 |
|
1038 |
static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1039 |
struct sockaddr *addr,
|
1040 |
socklen_t len) |
1041 |
{ |
1042 |
struct target_sockaddr *target_saddr;
|
1043 |
|
1044 |
target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
|
1045 |
if (!target_saddr)
|
1046 |
return -TARGET_EFAULT;
|
1047 |
memcpy(target_saddr, addr, len); |
1048 |
target_saddr->sa_family = tswap16(addr->sa_family); |
1049 |
unlock_user(target_saddr, target_addr, len); |
1050 |
|
1051 |
return 0; |
1052 |
} |
1053 |
|
1054 |
/* ??? Should this also swap msgh->name? */
|
1055 |
static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1056 |
struct target_msghdr *target_msgh)
|
1057 |
{ |
1058 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
1059 |
abi_long msg_controllen; |
1060 |
abi_ulong target_cmsg_addr; |
1061 |
struct target_cmsghdr *target_cmsg;
|
1062 |
socklen_t space = 0;
|
1063 |
|
1064 |
msg_controllen = tswapl(target_msgh->msg_controllen); |
1065 |
if (msg_controllen < sizeof (struct target_cmsghdr)) |
1066 |
goto the_end;
|
1067 |
target_cmsg_addr = tswapl(target_msgh->msg_control); |
1068 |
target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
|
1069 |
if (!target_cmsg)
|
1070 |
return -TARGET_EFAULT;
|
1071 |
|
1072 |
while (cmsg && target_cmsg) {
|
1073 |
void *data = CMSG_DATA(cmsg);
|
1074 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
1075 |
|
1076 |
int len = tswapl(target_cmsg->cmsg_len)
|
1077 |
- TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
1078 |
|
1079 |
space += CMSG_SPACE(len); |
1080 |
if (space > msgh->msg_controllen) {
|
1081 |
space -= CMSG_SPACE(len); |
1082 |
gemu_log("Host cmsg overflow\n");
|
1083 |
break;
|
1084 |
} |
1085 |
|
1086 |
cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); |
1087 |
cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1088 |
cmsg->cmsg_len = CMSG_LEN(len); |
1089 |
|
1090 |
if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
1091 |
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
1092 |
memcpy(data, target_data, len); |
1093 |
} else {
|
1094 |
int *fd = (int *)data; |
1095 |
int *target_fd = (int *)target_data; |
1096 |
int i, numfds = len / sizeof(int); |
1097 |
|
1098 |
for (i = 0; i < numfds; i++) |
1099 |
fd[i] = tswap32(target_fd[i]); |
1100 |
} |
1101 |
|
1102 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
1103 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
1104 |
} |
1105 |
unlock_user(target_cmsg, target_cmsg_addr, 0);
|
1106 |
the_end:
|
1107 |
msgh->msg_controllen = space; |
1108 |
return 0; |
1109 |
} |
1110 |
|
1111 |
/* ??? Should this also swap msgh->name? */
|
1112 |
static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1113 |
struct msghdr *msgh)
|
1114 |
{ |
1115 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
1116 |
abi_long msg_controllen; |
1117 |
abi_ulong target_cmsg_addr; |
1118 |
struct target_cmsghdr *target_cmsg;
|
1119 |
socklen_t space = 0;
|
1120 |
|
1121 |
msg_controllen = tswapl(target_msgh->msg_controllen); |
1122 |
if (msg_controllen < sizeof (struct target_cmsghdr)) |
1123 |
goto the_end;
|
1124 |
target_cmsg_addr = tswapl(target_msgh->msg_control); |
1125 |
target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
|
1126 |
if (!target_cmsg)
|
1127 |
return -TARGET_EFAULT;
|
1128 |
|
1129 |
while (cmsg && target_cmsg) {
|
1130 |
void *data = CMSG_DATA(cmsg);
|
1131 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
1132 |
|
1133 |
int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); |
1134 |
|
1135 |
space += TARGET_CMSG_SPACE(len); |
1136 |
if (space > msg_controllen) {
|
1137 |
space -= TARGET_CMSG_SPACE(len); |
1138 |
gemu_log("Target cmsg overflow\n");
|
1139 |
break;
|
1140 |
} |
1141 |
|
1142 |
target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); |
1143 |
target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
1144 |
target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); |
1145 |
|
1146 |
if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
1147 |
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
1148 |
memcpy(target_data, data, len); |
1149 |
} else {
|
1150 |
int *fd = (int *)data; |
1151 |
int *target_fd = (int *)target_data; |
1152 |
int i, numfds = len / sizeof(int); |
1153 |
|
1154 |
for (i = 0; i < numfds; i++) |
1155 |
target_fd[i] = tswap32(fd[i]); |
1156 |
} |
1157 |
|
1158 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
1159 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
1160 |
} |
1161 |
unlock_user(target_cmsg, target_cmsg_addr, space); |
1162 |
the_end:
|
1163 |
target_msgh->msg_controllen = tswapl(space); |
1164 |
return 0; |
1165 |
} |
1166 |
|
1167 |
/* do_setsockopt() Must return target values and target errnos. */
|
1168 |
static abi_long do_setsockopt(int sockfd, int level, int optname, |
1169 |
abi_ulong optval_addr, socklen_t optlen) |
1170 |
{ |
1171 |
abi_long ret; |
1172 |
int val;
|
1173 |
struct ip_mreqn *ip_mreq;
|
1174 |
struct ip_mreq_source *ip_mreq_source;
|
1175 |
|
1176 |
switch(level) {
|
1177 |
case SOL_TCP:
|
1178 |
/* TCP options all take an 'int' value. */
|
1179 |
if (optlen < sizeof(uint32_t)) |
1180 |
return -TARGET_EINVAL;
|
1181 |
|
1182 |
if (get_user_u32(val, optval_addr))
|
1183 |
return -TARGET_EFAULT;
|
1184 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
1185 |
break;
|
1186 |
case SOL_IP:
|
1187 |
switch(optname) {
|
1188 |
case IP_TOS:
|
1189 |
case IP_TTL:
|
1190 |
case IP_HDRINCL:
|
1191 |
case IP_ROUTER_ALERT:
|
1192 |
case IP_RECVOPTS:
|
1193 |
case IP_RETOPTS:
|
1194 |
case IP_PKTINFO:
|
1195 |
case IP_MTU_DISCOVER:
|
1196 |
case IP_RECVERR:
|
1197 |
case IP_RECVTOS:
|
1198 |
#ifdef IP_FREEBIND
|
1199 |
case IP_FREEBIND:
|
1200 |
#endif
|
1201 |
case IP_MULTICAST_TTL:
|
1202 |
case IP_MULTICAST_LOOP:
|
1203 |
val = 0;
|
1204 |
if (optlen >= sizeof(uint32_t)) { |
1205 |
if (get_user_u32(val, optval_addr))
|
1206 |
return -TARGET_EFAULT;
|
1207 |
} else if (optlen >= 1) { |
1208 |
if (get_user_u8(val, optval_addr))
|
1209 |
return -TARGET_EFAULT;
|
1210 |
} |
1211 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
1212 |
break;
|
1213 |
case IP_ADD_MEMBERSHIP:
|
1214 |
case IP_DROP_MEMBERSHIP:
|
1215 |
if (optlen < sizeof (struct target_ip_mreq) || |
1216 |
optlen > sizeof (struct target_ip_mreqn)) |
1217 |
return -TARGET_EINVAL;
|
1218 |
|
1219 |
ip_mreq = (struct ip_mreqn *) alloca(optlen);
|
1220 |
target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); |
1221 |
ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); |
1222 |
break;
|
1223 |
|
1224 |
case IP_BLOCK_SOURCE:
|
1225 |
case IP_UNBLOCK_SOURCE:
|
1226 |
case IP_ADD_SOURCE_MEMBERSHIP:
|
1227 |
case IP_DROP_SOURCE_MEMBERSHIP:
|
1228 |
if (optlen != sizeof (struct target_ip_mreq_source)) |
1229 |
return -TARGET_EINVAL;
|
1230 |
|
1231 |
ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
|
1232 |
ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); |
1233 |
unlock_user (ip_mreq_source, optval_addr, 0);
|
1234 |
break;
|
1235 |
|
1236 |
default:
|
1237 |
goto unimplemented;
|
1238 |
} |
1239 |
break;
|
1240 |
case TARGET_SOL_SOCKET:
|
1241 |
switch (optname) {
|
1242 |
/* Options with 'int' argument. */
|
1243 |
case TARGET_SO_DEBUG:
|
1244 |
optname = SO_DEBUG; |
1245 |
break;
|
1246 |
case TARGET_SO_REUSEADDR:
|
1247 |
optname = SO_REUSEADDR; |
1248 |
break;
|
1249 |
case TARGET_SO_TYPE:
|
1250 |
optname = SO_TYPE; |
1251 |
break;
|
1252 |
case TARGET_SO_ERROR:
|
1253 |
optname = SO_ERROR; |
1254 |
break;
|
1255 |
case TARGET_SO_DONTROUTE:
|
1256 |
optname = SO_DONTROUTE; |
1257 |
break;
|
1258 |
case TARGET_SO_BROADCAST:
|
1259 |
optname = SO_BROADCAST; |
1260 |
break;
|
1261 |
case TARGET_SO_SNDBUF:
|
1262 |
optname = SO_SNDBUF; |
1263 |
break;
|
1264 |
case TARGET_SO_RCVBUF:
|
1265 |
optname = SO_RCVBUF; |
1266 |
break;
|
1267 |
case TARGET_SO_KEEPALIVE:
|
1268 |
optname = SO_KEEPALIVE; |
1269 |
break;
|
1270 |
case TARGET_SO_OOBINLINE:
|
1271 |
optname = SO_OOBINLINE; |
1272 |
break;
|
1273 |
case TARGET_SO_NO_CHECK:
|
1274 |
optname = SO_NO_CHECK; |
1275 |
break;
|
1276 |
case TARGET_SO_PRIORITY:
|
1277 |
optname = SO_PRIORITY; |
1278 |
break;
|
1279 |
#ifdef SO_BSDCOMPAT
|
1280 |
case TARGET_SO_BSDCOMPAT:
|
1281 |
optname = SO_BSDCOMPAT; |
1282 |
break;
|
1283 |
#endif
|
1284 |
case TARGET_SO_PASSCRED:
|
1285 |
optname = SO_PASSCRED; |
1286 |
break;
|
1287 |
case TARGET_SO_TIMESTAMP:
|
1288 |
optname = SO_TIMESTAMP; |
1289 |
break;
|
1290 |
case TARGET_SO_RCVLOWAT:
|
1291 |
optname = SO_RCVLOWAT; |
1292 |
break;
|
1293 |
case TARGET_SO_RCVTIMEO:
|
1294 |
optname = SO_RCVTIMEO; |
1295 |
break;
|
1296 |
case TARGET_SO_SNDTIMEO:
|
1297 |
optname = SO_SNDTIMEO; |
1298 |
break;
|
1299 |
break;
|
1300 |
default:
|
1301 |
goto unimplemented;
|
1302 |
} |
1303 |
if (optlen < sizeof(uint32_t)) |
1304 |
return -TARGET_EINVAL;
|
1305 |
|
1306 |
if (get_user_u32(val, optval_addr))
|
1307 |
return -TARGET_EFAULT;
|
1308 |
ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
|
1309 |
break;
|
1310 |
default:
|
1311 |
unimplemented:
|
1312 |
gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
|
1313 |
ret = -TARGET_ENOPROTOOPT; |
1314 |
} |
1315 |
return ret;
|
1316 |
} |
1317 |
|
1318 |
/* do_getsockopt() Must return target values and target errnos. */
|
1319 |
static abi_long do_getsockopt(int sockfd, int level, int optname, |
1320 |
abi_ulong optval_addr, abi_ulong optlen) |
1321 |
{ |
1322 |
abi_long ret; |
1323 |
int len, val;
|
1324 |
socklen_t lv; |
1325 |
|
1326 |
switch(level) {
|
1327 |
case TARGET_SOL_SOCKET:
|
1328 |
level = SOL_SOCKET; |
1329 |
switch (optname) {
|
1330 |
case TARGET_SO_LINGER:
|
1331 |
case TARGET_SO_RCVTIMEO:
|
1332 |
case TARGET_SO_SNDTIMEO:
|
1333 |
case TARGET_SO_PEERCRED:
|
1334 |
case TARGET_SO_PEERNAME:
|
1335 |
/* These don't just return a single integer */
|
1336 |
goto unimplemented;
|
1337 |
default:
|
1338 |
goto int_case;
|
1339 |
} |
1340 |
break;
|
1341 |
case SOL_TCP:
|
1342 |
/* TCP options all take an 'int' value. */
|
1343 |
int_case:
|
1344 |
if (get_user_u32(len, optlen))
|
1345 |
return -TARGET_EFAULT;
|
1346 |
if (len < 0) |
1347 |
return -TARGET_EINVAL;
|
1348 |
lv = sizeof(int); |
1349 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1350 |
if (ret < 0) |
1351 |
return ret;
|
1352 |
if (len > lv)
|
1353 |
len = lv; |
1354 |
if (len == 4) { |
1355 |
if (put_user_u32(val, optval_addr))
|
1356 |
return -TARGET_EFAULT;
|
1357 |
} else {
|
1358 |
if (put_user_u8(val, optval_addr))
|
1359 |
return -TARGET_EFAULT;
|
1360 |
} |
1361 |
if (put_user_u32(len, optlen))
|
1362 |
return -TARGET_EFAULT;
|
1363 |
break;
|
1364 |
case SOL_IP:
|
1365 |
switch(optname) {
|
1366 |
case IP_TOS:
|
1367 |
case IP_TTL:
|
1368 |
case IP_HDRINCL:
|
1369 |
case IP_ROUTER_ALERT:
|
1370 |
case IP_RECVOPTS:
|
1371 |
case IP_RETOPTS:
|
1372 |
case IP_PKTINFO:
|
1373 |
case IP_MTU_DISCOVER:
|
1374 |
case IP_RECVERR:
|
1375 |
case IP_RECVTOS:
|
1376 |
#ifdef IP_FREEBIND
|
1377 |
case IP_FREEBIND:
|
1378 |
#endif
|
1379 |
case IP_MULTICAST_TTL:
|
1380 |
case IP_MULTICAST_LOOP:
|
1381 |
if (get_user_u32(len, optlen))
|
1382 |
return -TARGET_EFAULT;
|
1383 |
if (len < 0) |
1384 |
return -TARGET_EINVAL;
|
1385 |
lv = sizeof(int); |
1386 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1387 |
if (ret < 0) |
1388 |
return ret;
|
1389 |
if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
1390 |
len = 1;
|
1391 |
if (put_user_u32(len, optlen)
|
1392 |
|| put_user_u8(val, optval_addr)) |
1393 |
return -TARGET_EFAULT;
|
1394 |
} else {
|
1395 |
if (len > sizeof(int)) |
1396 |
len = sizeof(int); |
1397 |
if (put_user_u32(len, optlen)
|
1398 |
|| put_user_u32(val, optval_addr)) |
1399 |
return -TARGET_EFAULT;
|
1400 |
} |
1401 |
break;
|
1402 |
default:
|
1403 |
ret = -TARGET_ENOPROTOOPT; |
1404 |
break;
|
1405 |
} |
1406 |
break;
|
1407 |
default:
|
1408 |
unimplemented:
|
1409 |
gemu_log("getsockopt level=%d optname=%d not yet supported\n",
|
1410 |
level, optname); |
1411 |
ret = -TARGET_EOPNOTSUPP; |
1412 |
break;
|
1413 |
} |
1414 |
return ret;
|
1415 |
} |
1416 |
|
1417 |
/* FIXME
|
1418 |
* lock_iovec()/unlock_iovec() have a return code of 0 for success where
|
1419 |
* other lock functions have a return code of 0 for failure.
|
1420 |
*/
|
1421 |
static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr, |
1422 |
int count, int copy) |
1423 |
{ |
1424 |
struct target_iovec *target_vec;
|
1425 |
abi_ulong base; |
1426 |
int i;
|
1427 |
|
1428 |
target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); |
1429 |
if (!target_vec)
|
1430 |
return -TARGET_EFAULT;
|
1431 |
for(i = 0;i < count; i++) { |
1432 |
base = tswapl(target_vec[i].iov_base); |
1433 |
vec[i].iov_len = tswapl(target_vec[i].iov_len); |
1434 |
if (vec[i].iov_len != 0) { |
1435 |
vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy); |
1436 |
/* Don't check lock_user return value. We must call writev even
|
1437 |
if a element has invalid base address. */
|
1438 |
} else {
|
1439 |
/* zero length pointer is ignored */
|
1440 |
vec[i].iov_base = NULL;
|
1441 |
} |
1442 |
} |
1443 |
unlock_user (target_vec, target_addr, 0);
|
1444 |
return 0; |
1445 |
} |
1446 |
|
1447 |
static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
1448 |
int count, int copy) |
1449 |
{ |
1450 |
struct target_iovec *target_vec;
|
1451 |
abi_ulong base; |
1452 |
int i;
|
1453 |
|
1454 |
target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); |
1455 |
if (!target_vec)
|
1456 |
return -TARGET_EFAULT;
|
1457 |
for(i = 0;i < count; i++) { |
1458 |
if (target_vec[i].iov_base) {
|
1459 |
base = tswapl(target_vec[i].iov_base); |
1460 |
unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
|
1461 |
} |
1462 |
} |
1463 |
unlock_user (target_vec, target_addr, 0);
|
1464 |
|
1465 |
return 0; |
1466 |
} |
1467 |
|
1468 |
/* do_socket() Must return target values and target errnos. */
|
1469 |
static abi_long do_socket(int domain, int type, int protocol) |
1470 |
{ |
1471 |
#if defined(TARGET_MIPS)
|
1472 |
switch(type) {
|
1473 |
case TARGET_SOCK_DGRAM:
|
1474 |
type = SOCK_DGRAM; |
1475 |
break;
|
1476 |
case TARGET_SOCK_STREAM:
|
1477 |
type = SOCK_STREAM; |
1478 |
break;
|
1479 |
case TARGET_SOCK_RAW:
|
1480 |
type = SOCK_RAW; |
1481 |
break;
|
1482 |
case TARGET_SOCK_RDM:
|
1483 |
type = SOCK_RDM; |
1484 |
break;
|
1485 |
case TARGET_SOCK_SEQPACKET:
|
1486 |
type = SOCK_SEQPACKET; |
1487 |
break;
|
1488 |
case TARGET_SOCK_PACKET:
|
1489 |
type = SOCK_PACKET; |
1490 |
break;
|
1491 |
} |
1492 |
#endif
|
1493 |
if (domain == PF_NETLINK)
|
1494 |
return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */ |
1495 |
return get_errno(socket(domain, type, protocol));
|
1496 |
} |
1497 |
|
1498 |
/* do_bind() Must return target values and target errnos. */
|
1499 |
static abi_long do_bind(int sockfd, abi_ulong target_addr, |
1500 |
socklen_t addrlen) |
1501 |
{ |
1502 |
void *addr;
|
1503 |
abi_long ret; |
1504 |
|
1505 |
if (addrlen < 0) |
1506 |
return -TARGET_EINVAL;
|
1507 |
|
1508 |
addr = alloca(addrlen+1);
|
1509 |
|
1510 |
ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
1511 |
if (ret)
|
1512 |
return ret;
|
1513 |
|
1514 |
return get_errno(bind(sockfd, addr, addrlen));
|
1515 |
} |
1516 |
|
1517 |
/* do_connect() Must return target values and target errnos. */
|
1518 |
static abi_long do_connect(int sockfd, abi_ulong target_addr, |
1519 |
socklen_t addrlen) |
1520 |
{ |
1521 |
void *addr;
|
1522 |
abi_long ret; |
1523 |
|
1524 |
if (addrlen < 0) |
1525 |
return -TARGET_EINVAL;
|
1526 |
|
1527 |
addr = alloca(addrlen); |
1528 |
|
1529 |
ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
1530 |
if (ret)
|
1531 |
return ret;
|
1532 |
|
1533 |
return get_errno(connect(sockfd, addr, addrlen));
|
1534 |
} |
1535 |
|
1536 |
/* do_sendrecvmsg() Must return target values and target errnos. */
|
1537 |
static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, |
1538 |
int flags, int send) |
1539 |
{ |
1540 |
abi_long ret, len; |
1541 |
struct target_msghdr *msgp;
|
1542 |
struct msghdr msg;
|
1543 |
int count;
|
1544 |
struct iovec *vec;
|
1545 |
abi_ulong target_vec; |
1546 |
|
1547 |
/* FIXME */
|
1548 |
if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
|
1549 |
msgp, |
1550 |
target_msg, |
1551 |
send ? 1 : 0)) |
1552 |
return -TARGET_EFAULT;
|
1553 |
if (msgp->msg_name) {
|
1554 |
msg.msg_namelen = tswap32(msgp->msg_namelen); |
1555 |
msg.msg_name = alloca(msg.msg_namelen); |
1556 |
ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name), |
1557 |
msg.msg_namelen); |
1558 |
if (ret) {
|
1559 |
unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
1560 |
return ret;
|
1561 |
} |
1562 |
} else {
|
1563 |
msg.msg_name = NULL;
|
1564 |
msg.msg_namelen = 0;
|
1565 |
} |
1566 |
msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
|
1567 |
msg.msg_control = alloca(msg.msg_controllen); |
1568 |
msg.msg_flags = tswap32(msgp->msg_flags); |
1569 |
|
1570 |
count = tswapl(msgp->msg_iovlen); |
1571 |
vec = alloca(count * sizeof(struct iovec)); |
1572 |
target_vec = tswapl(msgp->msg_iov); |
1573 |
lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send); |
1574 |
msg.msg_iovlen = count; |
1575 |
msg.msg_iov = vec; |
1576 |
|
1577 |
if (send) {
|
1578 |
ret = target_to_host_cmsg(&msg, msgp); |
1579 |
if (ret == 0) |
1580 |
ret = get_errno(sendmsg(fd, &msg, flags)); |
1581 |
} else {
|
1582 |
ret = get_errno(recvmsg(fd, &msg, flags)); |
1583 |
if (!is_error(ret)) {
|
1584 |
len = ret; |
1585 |
ret = host_to_target_cmsg(msgp, &msg); |
1586 |
if (!is_error(ret))
|
1587 |
ret = len; |
1588 |
} |
1589 |
} |
1590 |
unlock_iovec(vec, target_vec, count, !send); |
1591 |
unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
1592 |
return ret;
|
1593 |
} |
1594 |
|
1595 |
/* do_accept() Must return target values and target errnos. */
|
1596 |
static abi_long do_accept(int fd, abi_ulong target_addr, |
1597 |
abi_ulong target_addrlen_addr) |
1598 |
{ |
1599 |
socklen_t addrlen; |
1600 |
void *addr;
|
1601 |
abi_long ret; |
1602 |
|
1603 |
if (target_addr == 0) |
1604 |
return get_errno(accept(fd, NULL, NULL)); |
1605 |
|
1606 |
/* linux returns EINVAL if addrlen pointer is invalid */
|
1607 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
1608 |
return -TARGET_EINVAL;
|
1609 |
|
1610 |
if (addrlen < 0) |
1611 |
return -TARGET_EINVAL;
|
1612 |
|
1613 |
if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
|
1614 |
return -TARGET_EINVAL;
|
1615 |
|
1616 |
addr = alloca(addrlen); |
1617 |
|
1618 |
ret = get_errno(accept(fd, addr, &addrlen)); |
1619 |
if (!is_error(ret)) {
|
1620 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
1621 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
1622 |
ret = -TARGET_EFAULT; |
1623 |
} |
1624 |
return ret;
|
1625 |
} |
1626 |
|
1627 |
/* do_getpeername() Must return target values and target errnos. */
|
1628 |
static abi_long do_getpeername(int fd, abi_ulong target_addr, |
1629 |
abi_ulong target_addrlen_addr) |
1630 |
{ |
1631 |
socklen_t addrlen; |
1632 |
void *addr;
|
1633 |
abi_long ret; |
1634 |
|
1635 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
1636 |
return -TARGET_EFAULT;
|
1637 |
|
1638 |
if (addrlen < 0) |
1639 |
return -TARGET_EINVAL;
|
1640 |
|
1641 |
if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
|
1642 |
return -TARGET_EFAULT;
|
1643 |
|
1644 |
addr = alloca(addrlen); |
1645 |
|
1646 |
ret = get_errno(getpeername(fd, addr, &addrlen)); |
1647 |
if (!is_error(ret)) {
|
1648 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
1649 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
1650 |
ret = -TARGET_EFAULT; |
1651 |
} |
1652 |
return ret;
|
1653 |
} |
1654 |
|
1655 |
/* do_getsockname() Must return target values and target errnos. */
|
1656 |
static abi_long do_getsockname(int fd, abi_ulong target_addr, |
1657 |
abi_ulong target_addrlen_addr) |
1658 |
{ |
1659 |
socklen_t addrlen; |
1660 |
void *addr;
|
1661 |
abi_long ret; |
1662 |
|
1663 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
1664 |
return -TARGET_EFAULT;
|
1665 |
|
1666 |
if (addrlen < 0) |
1667 |
return -TARGET_EINVAL;
|
1668 |
|
1669 |
if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
|
1670 |
return -TARGET_EFAULT;
|
1671 |
|
1672 |
addr = alloca(addrlen); |
1673 |
|
1674 |
ret = get_errno(getsockname(fd, addr, &addrlen)); |
1675 |
if (!is_error(ret)) {
|
1676 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
1677 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
1678 |
ret = -TARGET_EFAULT; |
1679 |
} |
1680 |
return ret;
|
1681 |
} |
1682 |
|
1683 |
/* do_socketpair() Must return target values and target errnos. */
|
1684 |
static abi_long do_socketpair(int domain, int type, int protocol, |
1685 |
abi_ulong target_tab_addr) |
1686 |
{ |
1687 |
int tab[2]; |
1688 |
abi_long ret; |
1689 |
|
1690 |
ret = get_errno(socketpair(domain, type, protocol, tab)); |
1691 |
if (!is_error(ret)) {
|
1692 |
if (put_user_s32(tab[0], target_tab_addr) |
1693 |
|| put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) |
1694 |
ret = -TARGET_EFAULT; |
1695 |
} |
1696 |
return ret;
|
1697 |
} |
1698 |
|
1699 |
/* do_sendto() Must return target values and target errnos. */
|
1700 |
static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
1701 |
abi_ulong target_addr, socklen_t addrlen) |
1702 |
{ |
1703 |
void *addr;
|
1704 |
void *host_msg;
|
1705 |
abi_long ret; |
1706 |
|
1707 |
if (addrlen < 0) |
1708 |
return -TARGET_EINVAL;
|
1709 |
|
1710 |
host_msg = lock_user(VERIFY_READ, msg, len, 1);
|
1711 |
if (!host_msg)
|
1712 |
return -TARGET_EFAULT;
|
1713 |
if (target_addr) {
|
1714 |
addr = alloca(addrlen); |
1715 |
ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
1716 |
if (ret) {
|
1717 |
unlock_user(host_msg, msg, 0);
|
1718 |
return ret;
|
1719 |
} |
1720 |
ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); |
1721 |
} else {
|
1722 |
ret = get_errno(send(fd, host_msg, len, flags)); |
1723 |
} |
1724 |
unlock_user(host_msg, msg, 0);
|
1725 |
return ret;
|
1726 |
} |
1727 |
|
1728 |
/* do_recvfrom() Must return target values and target errnos. */
|
1729 |
static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
1730 |
abi_ulong target_addr, |
1731 |
abi_ulong target_addrlen) |
1732 |
{ |
1733 |
socklen_t addrlen; |
1734 |
void *addr;
|
1735 |
void *host_msg;
|
1736 |
abi_long ret; |
1737 |
|
1738 |
host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
|
1739 |
if (!host_msg)
|
1740 |
return -TARGET_EFAULT;
|
1741 |
if (target_addr) {
|
1742 |
if (get_user_u32(addrlen, target_addrlen)) {
|
1743 |
ret = -TARGET_EFAULT; |
1744 |
goto fail;
|
1745 |
} |
1746 |
if (addrlen < 0) { |
1747 |
ret = -TARGET_EINVAL; |
1748 |
goto fail;
|
1749 |
} |
1750 |
addr = alloca(addrlen); |
1751 |
ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); |
1752 |
} else {
|
1753 |
addr = NULL; /* To keep compiler quiet. */ |
1754 |
ret = get_errno(recv(fd, host_msg, len, flags)); |
1755 |
} |
1756 |
if (!is_error(ret)) {
|
1757 |
if (target_addr) {
|
1758 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
1759 |
if (put_user_u32(addrlen, target_addrlen)) {
|
1760 |
ret = -TARGET_EFAULT; |
1761 |
goto fail;
|
1762 |
} |
1763 |
} |
1764 |
unlock_user(host_msg, msg, len); |
1765 |
} else {
|
1766 |
fail:
|
1767 |
unlock_user(host_msg, msg, 0);
|
1768 |
} |
1769 |
return ret;
|
1770 |
} |
1771 |
|
1772 |
#ifdef TARGET_NR_socketcall
|
1773 |
/* do_socketcall() Must return target values and target errnos. */
|
1774 |
static abi_long do_socketcall(int num, abi_ulong vptr) |
1775 |
{ |
1776 |
abi_long ret; |
1777 |
const int n = sizeof(abi_ulong); |
1778 |
|
1779 |
switch(num) {
|
1780 |
case SOCKOP_socket:
|
1781 |
{ |
1782 |
abi_ulong domain, type, protocol; |
1783 |
|
1784 |
if (get_user_ual(domain, vptr)
|
1785 |
|| get_user_ual(type, vptr + n) |
1786 |
|| get_user_ual(protocol, vptr + 2 * n))
|
1787 |
return -TARGET_EFAULT;
|
1788 |
|
1789 |
ret = do_socket(domain, type, protocol); |
1790 |
} |
1791 |
break;
|
1792 |
case SOCKOP_bind:
|
1793 |
{ |
1794 |
abi_ulong sockfd; |
1795 |
abi_ulong target_addr; |
1796 |
socklen_t addrlen; |
1797 |
|
1798 |
if (get_user_ual(sockfd, vptr)
|
1799 |
|| get_user_ual(target_addr, vptr + n) |
1800 |
|| get_user_ual(addrlen, vptr + 2 * n))
|
1801 |
return -TARGET_EFAULT;
|
1802 |
|
1803 |
ret = do_bind(sockfd, target_addr, addrlen); |
1804 |
} |
1805 |
break;
|
1806 |
case SOCKOP_connect:
|
1807 |
{ |
1808 |
abi_ulong sockfd; |
1809 |
abi_ulong target_addr; |
1810 |
socklen_t addrlen; |
1811 |
|
1812 |
if (get_user_ual(sockfd, vptr)
|
1813 |
|| get_user_ual(target_addr, vptr + n) |
1814 |
|| get_user_ual(addrlen, vptr + 2 * n))
|
1815 |
return -TARGET_EFAULT;
|
1816 |
|
1817 |
ret = do_connect(sockfd, target_addr, addrlen); |
1818 |
} |
1819 |
break;
|
1820 |
case SOCKOP_listen:
|
1821 |
{ |
1822 |
abi_ulong sockfd, backlog; |
1823 |
|
1824 |
if (get_user_ual(sockfd, vptr)
|
1825 |
|| get_user_ual(backlog, vptr + n)) |
1826 |
return -TARGET_EFAULT;
|
1827 |
|
1828 |
ret = get_errno(listen(sockfd, backlog)); |
1829 |
} |
1830 |
break;
|
1831 |
case SOCKOP_accept:
|
1832 |
{ |
1833 |
abi_ulong sockfd; |
1834 |
abi_ulong target_addr, target_addrlen; |
1835 |
|
1836 |
if (get_user_ual(sockfd, vptr)
|
1837 |
|| get_user_ual(target_addr, vptr + n) |
1838 |
|| get_user_ual(target_addrlen, vptr + 2 * n))
|
1839 |
return -TARGET_EFAULT;
|
1840 |
|
1841 |
ret = do_accept(sockfd, target_addr, target_addrlen); |
1842 |
} |
1843 |
break;
|
1844 |
case SOCKOP_getsockname:
|
1845 |
{ |
1846 |
abi_ulong sockfd; |
1847 |
abi_ulong target_addr, target_addrlen; |
1848 |
|
1849 |
if (get_user_ual(sockfd, vptr)
|
1850 |
|| get_user_ual(target_addr, vptr + n) |
1851 |
|| get_user_ual(target_addrlen, vptr + 2 * n))
|
1852 |
return -TARGET_EFAULT;
|
1853 |
|
1854 |
ret = do_getsockname(sockfd, target_addr, target_addrlen); |
1855 |
} |
1856 |
break;
|
1857 |
case SOCKOP_getpeername:
|
1858 |
{ |
1859 |
abi_ulong sockfd; |
1860 |
abi_ulong target_addr, target_addrlen; |
1861 |
|
1862 |
if (get_user_ual(sockfd, vptr)
|
1863 |
|| get_user_ual(target_addr, vptr + n) |
1864 |
|| get_user_ual(target_addrlen, vptr + 2 * n))
|
1865 |
return -TARGET_EFAULT;
|
1866 |
|
1867 |
ret = do_getpeername(sockfd, target_addr, target_addrlen); |
1868 |
} |
1869 |
break;
|
1870 |
case SOCKOP_socketpair:
|
1871 |
{ |
1872 |
abi_ulong domain, type, protocol; |
1873 |
abi_ulong tab; |
1874 |
|
1875 |
if (get_user_ual(domain, vptr)
|
1876 |
|| get_user_ual(type, vptr + n) |
1877 |
|| get_user_ual(protocol, vptr + 2 * n)
|
1878 |
|| get_user_ual(tab, vptr + 3 * n))
|
1879 |
return -TARGET_EFAULT;
|
1880 |
|
1881 |
ret = do_socketpair(domain, type, protocol, tab); |
1882 |
} |
1883 |
break;
|
1884 |
case SOCKOP_send:
|
1885 |
{ |
1886 |
abi_ulong sockfd; |
1887 |
abi_ulong msg; |
1888 |
size_t len; |
1889 |
abi_ulong flags; |
1890 |
|
1891 |
if (get_user_ual(sockfd, vptr)
|
1892 |
|| get_user_ual(msg, vptr + n) |
1893 |
|| get_user_ual(len, vptr + 2 * n)
|
1894 |
|| get_user_ual(flags, vptr + 3 * n))
|
1895 |
return -TARGET_EFAULT;
|
1896 |
|
1897 |
ret = do_sendto(sockfd, msg, len, flags, 0, 0); |
1898 |
} |
1899 |
break;
|
1900 |
case SOCKOP_recv:
|
1901 |
{ |
1902 |
abi_ulong sockfd; |
1903 |
abi_ulong msg; |
1904 |
size_t len; |
1905 |
abi_ulong flags; |
1906 |
|
1907 |
if (get_user_ual(sockfd, vptr)
|
1908 |
|| get_user_ual(msg, vptr + n) |
1909 |
|| get_user_ual(len, vptr + 2 * n)
|
1910 |
|| get_user_ual(flags, vptr + 3 * n))
|
1911 |
return -TARGET_EFAULT;
|
1912 |
|
1913 |
ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); |
1914 |
} |
1915 |
break;
|
1916 |
case SOCKOP_sendto:
|
1917 |
{ |
1918 |
abi_ulong sockfd; |
1919 |
abi_ulong msg; |
1920 |
size_t len; |
1921 |
abi_ulong flags; |
1922 |
abi_ulong addr; |
1923 |
socklen_t addrlen; |
1924 |
|
1925 |
if (get_user_ual(sockfd, vptr)
|
1926 |
|| get_user_ual(msg, vptr + n) |
1927 |
|| get_user_ual(len, vptr + 2 * n)
|
1928 |
|| get_user_ual(flags, vptr + 3 * n)
|
1929 |
|| get_user_ual(addr, vptr + 4 * n)
|
1930 |
|| get_user_ual(addrlen, vptr + 5 * n))
|
1931 |
return -TARGET_EFAULT;
|
1932 |
|
1933 |
ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); |
1934 |
} |
1935 |
break;
|
1936 |
case SOCKOP_recvfrom:
|
1937 |
{ |
1938 |
abi_ulong sockfd; |
1939 |
abi_ulong msg; |
1940 |
size_t len; |
1941 |
abi_ulong flags; |
1942 |
abi_ulong addr; |
1943 |
socklen_t addrlen; |
1944 |
|
1945 |
if (get_user_ual(sockfd, vptr)
|
1946 |
|| get_user_ual(msg, vptr + n) |
1947 |
|| get_user_ual(len, vptr + 2 * n)
|
1948 |
|| get_user_ual(flags, vptr + 3 * n)
|
1949 |
|| get_user_ual(addr, vptr + 4 * n)
|
1950 |
|| get_user_ual(addrlen, vptr + 5 * n))
|
1951 |
return -TARGET_EFAULT;
|
1952 |
|
1953 |
ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); |
1954 |
} |
1955 |
break;
|
1956 |
case SOCKOP_shutdown:
|
1957 |
{ |
1958 |
abi_ulong sockfd, how; |
1959 |
|
1960 |
if (get_user_ual(sockfd, vptr)
|
1961 |
|| get_user_ual(how, vptr + n)) |
1962 |
return -TARGET_EFAULT;
|
1963 |
|
1964 |
ret = get_errno(shutdown(sockfd, how)); |
1965 |
} |
1966 |
break;
|
1967 |
case SOCKOP_sendmsg:
|
1968 |
case SOCKOP_recvmsg:
|
1969 |
{ |
1970 |
abi_ulong fd; |
1971 |
abi_ulong target_msg; |
1972 |
abi_ulong flags; |
1973 |
|
1974 |
if (get_user_ual(fd, vptr)
|
1975 |
|| get_user_ual(target_msg, vptr + n) |
1976 |
|| get_user_ual(flags, vptr + 2 * n))
|
1977 |
return -TARGET_EFAULT;
|
1978 |
|
1979 |
ret = do_sendrecvmsg(fd, target_msg, flags, |
1980 |
(num == SOCKOP_sendmsg)); |
1981 |
} |
1982 |
break;
|
1983 |
case SOCKOP_setsockopt:
|
1984 |
{ |
1985 |
abi_ulong sockfd; |
1986 |
abi_ulong level; |
1987 |
abi_ulong optname; |
1988 |
abi_ulong optval; |
1989 |
socklen_t optlen; |
1990 |
|
1991 |
if (get_user_ual(sockfd, vptr)
|
1992 |
|| get_user_ual(level, vptr + n) |
1993 |
|| get_user_ual(optname, vptr + 2 * n)
|
1994 |
|| get_user_ual(optval, vptr + 3 * n)
|
1995 |
|| get_user_ual(optlen, vptr + 4 * n))
|
1996 |
return -TARGET_EFAULT;
|
1997 |
|
1998 |
ret = do_setsockopt(sockfd, level, optname, optval, optlen); |
1999 |
} |
2000 |
break;
|
2001 |
case SOCKOP_getsockopt:
|
2002 |
{ |
2003 |
abi_ulong sockfd; |
2004 |
abi_ulong level; |
2005 |
abi_ulong optname; |
2006 |
abi_ulong optval; |
2007 |
socklen_t optlen; |
2008 |
|
2009 |
if (get_user_ual(sockfd, vptr)
|
2010 |
|| get_user_ual(level, vptr + n) |
2011 |
|| get_user_ual(optname, vptr + 2 * n)
|
2012 |
|| get_user_ual(optval, vptr + 3 * n)
|
2013 |
|| get_user_ual(optlen, vptr + 4 * n))
|
2014 |
return -TARGET_EFAULT;
|
2015 |
|
2016 |
ret = do_getsockopt(sockfd, level, optname, optval, optlen); |
2017 |
} |
2018 |
break;
|
2019 |
default:
|
2020 |
gemu_log("Unsupported socketcall: %d\n", num);
|
2021 |
ret = -TARGET_ENOSYS; |
2022 |
break;
|
2023 |
} |
2024 |
return ret;
|
2025 |
} |
2026 |
#endif
|
2027 |
|
2028 |
#define N_SHM_REGIONS 32 |
2029 |
|
2030 |
static struct shm_region { |
2031 |
abi_ulong start; |
2032 |
abi_ulong size; |
2033 |
} shm_regions[N_SHM_REGIONS]; |
2034 |
|
2035 |
struct target_ipc_perm
|
2036 |
{ |
2037 |
abi_long __key; |
2038 |
abi_ulong uid; |
2039 |
abi_ulong gid; |
2040 |
abi_ulong cuid; |
2041 |
abi_ulong cgid; |
2042 |
unsigned short int mode; |
2043 |
unsigned short int __pad1; |
2044 |
unsigned short int __seq; |
2045 |
unsigned short int __pad2; |
2046 |
abi_ulong __unused1; |
2047 |
abi_ulong __unused2; |
2048 |
}; |
2049 |
|
2050 |
struct target_semid_ds
|
2051 |
{ |
2052 |
struct target_ipc_perm sem_perm;
|
2053 |
abi_ulong sem_otime; |
2054 |
abi_ulong __unused1; |
2055 |
abi_ulong sem_ctime; |
2056 |
abi_ulong __unused2; |
2057 |
abi_ulong sem_nsems; |
2058 |
abi_ulong __unused3; |
2059 |
abi_ulong __unused4; |
2060 |
}; |
2061 |
|
2062 |
static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
2063 |
abi_ulong target_addr) |
2064 |
{ |
2065 |
struct target_ipc_perm *target_ip;
|
2066 |
struct target_semid_ds *target_sd;
|
2067 |
|
2068 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2069 |
return -TARGET_EFAULT;
|
2070 |
target_ip = &(target_sd->sem_perm); |
2071 |
host_ip->__key = tswapl(target_ip->__key); |
2072 |
host_ip->uid = tswapl(target_ip->uid); |
2073 |
host_ip->gid = tswapl(target_ip->gid); |
2074 |
host_ip->cuid = tswapl(target_ip->cuid); |
2075 |
host_ip->cgid = tswapl(target_ip->cgid); |
2076 |
host_ip->mode = tswapl(target_ip->mode); |
2077 |
unlock_user_struct(target_sd, target_addr, 0);
|
2078 |
return 0; |
2079 |
} |
2080 |
|
2081 |
static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
2082 |
struct ipc_perm *host_ip)
|
2083 |
{ |
2084 |
struct target_ipc_perm *target_ip;
|
2085 |
struct target_semid_ds *target_sd;
|
2086 |
|
2087 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2088 |
return -TARGET_EFAULT;
|
2089 |
target_ip = &(target_sd->sem_perm); |
2090 |
target_ip->__key = tswapl(host_ip->__key); |
2091 |
target_ip->uid = tswapl(host_ip->uid); |
2092 |
target_ip->gid = tswapl(host_ip->gid); |
2093 |
target_ip->cuid = tswapl(host_ip->cuid); |
2094 |
target_ip->cgid = tswapl(host_ip->cgid); |
2095 |
target_ip->mode = tswapl(host_ip->mode); |
2096 |
unlock_user_struct(target_sd, target_addr, 1);
|
2097 |
return 0; |
2098 |
} |
2099 |
|
2100 |
static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
2101 |
abi_ulong target_addr) |
2102 |
{ |
2103 |
struct target_semid_ds *target_sd;
|
2104 |
|
2105 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2106 |
return -TARGET_EFAULT;
|
2107 |
if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
|
2108 |
return -TARGET_EFAULT;
|
2109 |
host_sd->sem_nsems = tswapl(target_sd->sem_nsems); |
2110 |
host_sd->sem_otime = tswapl(target_sd->sem_otime); |
2111 |
host_sd->sem_ctime = tswapl(target_sd->sem_ctime); |
2112 |
unlock_user_struct(target_sd, target_addr, 0);
|
2113 |
return 0; |
2114 |
} |
2115 |
|
2116 |
static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
2117 |
struct semid_ds *host_sd)
|
2118 |
{ |
2119 |
struct target_semid_ds *target_sd;
|
2120 |
|
2121 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2122 |
return -TARGET_EFAULT;
|
2123 |
if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
|
2124 |
return -TARGET_EFAULT;;
|
2125 |
target_sd->sem_nsems = tswapl(host_sd->sem_nsems); |
2126 |
target_sd->sem_otime = tswapl(host_sd->sem_otime); |
2127 |
target_sd->sem_ctime = tswapl(host_sd->sem_ctime); |
2128 |
unlock_user_struct(target_sd, target_addr, 1);
|
2129 |
return 0; |
2130 |
} |
2131 |
|
2132 |
struct target_seminfo {
|
2133 |
int semmap;
|
2134 |
int semmni;
|
2135 |
int semmns;
|
2136 |
int semmnu;
|
2137 |
int semmsl;
|
2138 |
int semopm;
|
2139 |
int semume;
|
2140 |
int semusz;
|
2141 |
int semvmx;
|
2142 |
int semaem;
|
2143 |
}; |
2144 |
|
2145 |
static inline abi_long host_to_target_seminfo(abi_ulong target_addr, |
2146 |
struct seminfo *host_seminfo)
|
2147 |
{ |
2148 |
struct target_seminfo *target_seminfo;
|
2149 |
if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) |
2150 |
return -TARGET_EFAULT;
|
2151 |
__put_user(host_seminfo->semmap, &target_seminfo->semmap); |
2152 |
__put_user(host_seminfo->semmni, &target_seminfo->semmni); |
2153 |
__put_user(host_seminfo->semmns, &target_seminfo->semmns); |
2154 |
__put_user(host_seminfo->semmnu, &target_seminfo->semmnu); |
2155 |
__put_user(host_seminfo->semmsl, &target_seminfo->semmsl); |
2156 |
__put_user(host_seminfo->semopm, &target_seminfo->semopm); |
2157 |
__put_user(host_seminfo->semume, &target_seminfo->semume); |
2158 |
__put_user(host_seminfo->semusz, &target_seminfo->semusz); |
2159 |
__put_user(host_seminfo->semvmx, &target_seminfo->semvmx); |
2160 |
__put_user(host_seminfo->semaem, &target_seminfo->semaem); |
2161 |
unlock_user_struct(target_seminfo, target_addr, 1);
|
2162 |
return 0; |
2163 |
} |
2164 |
|
2165 |
union semun {
|
2166 |
int val;
|
2167 |
struct semid_ds *buf;
|
2168 |
unsigned short *array; |
2169 |
struct seminfo *__buf;
|
2170 |
}; |
2171 |
|
2172 |
union target_semun {
|
2173 |
int val;
|
2174 |
abi_ulong buf; |
2175 |
abi_ulong array; |
2176 |
abi_ulong __buf; |
2177 |
}; |
2178 |
|
2179 |
static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
2180 |
abi_ulong target_addr) |
2181 |
{ |
2182 |
int nsems;
|
2183 |
unsigned short *array; |
2184 |
union semun semun;
|
2185 |
struct semid_ds semid_ds;
|
2186 |
int i, ret;
|
2187 |
|
2188 |
semun.buf = &semid_ds; |
2189 |
|
2190 |
ret = semctl(semid, 0, IPC_STAT, semun);
|
2191 |
if (ret == -1) |
2192 |
return get_errno(ret);
|
2193 |
|
2194 |
nsems = semid_ds.sem_nsems; |
2195 |
|
2196 |
*host_array = malloc(nsems*sizeof(unsigned short)); |
2197 |
array = lock_user(VERIFY_READ, target_addr, |
2198 |
nsems*sizeof(unsigned short), 1); |
2199 |
if (!array)
|
2200 |
return -TARGET_EFAULT;
|
2201 |
|
2202 |
for(i=0; i<nsems; i++) { |
2203 |
__get_user((*host_array)[i], &array[i]); |
2204 |
} |
2205 |
unlock_user(array, target_addr, 0);
|
2206 |
|
2207 |
return 0; |
2208 |
} |
2209 |
|
2210 |
static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
2211 |
unsigned short **host_array) |
2212 |
{ |
2213 |
int nsems;
|
2214 |
unsigned short *array; |
2215 |
union semun semun;
|
2216 |
struct semid_ds semid_ds;
|
2217 |
int i, ret;
|
2218 |
|
2219 |
semun.buf = &semid_ds; |
2220 |
|
2221 |
ret = semctl(semid, 0, IPC_STAT, semun);
|
2222 |
if (ret == -1) |
2223 |
return get_errno(ret);
|
2224 |
|
2225 |
nsems = semid_ds.sem_nsems; |
2226 |
|
2227 |
array = lock_user(VERIFY_WRITE, target_addr, |
2228 |
nsems*sizeof(unsigned short), 0); |
2229 |
if (!array)
|
2230 |
return -TARGET_EFAULT;
|
2231 |
|
2232 |
for(i=0; i<nsems; i++) { |
2233 |
__put_user((*host_array)[i], &array[i]); |
2234 |
} |
2235 |
free(*host_array); |
2236 |
unlock_user(array, target_addr, 1);
|
2237 |
|
2238 |
return 0; |
2239 |
} |
2240 |
|
2241 |
static inline abi_long do_semctl(int semid, int semnum, int cmd, |
2242 |
union target_semun target_su)
|
2243 |
{ |
2244 |
union semun arg;
|
2245 |
struct semid_ds dsarg;
|
2246 |
unsigned short *array = NULL; |
2247 |
struct seminfo seminfo;
|
2248 |
abi_long ret = -TARGET_EINVAL; |
2249 |
abi_long err; |
2250 |
cmd &= 0xff;
|
2251 |
|
2252 |
switch( cmd ) {
|
2253 |
case GETVAL:
|
2254 |
case SETVAL:
|
2255 |
arg.val = tswapl(target_su.val); |
2256 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2257 |
target_su.val = tswapl(arg.val); |
2258 |
break;
|
2259 |
case GETALL:
|
2260 |
case SETALL:
|
2261 |
err = target_to_host_semarray(semid, &array, target_su.array); |
2262 |
if (err)
|
2263 |
return err;
|
2264 |
arg.array = array; |
2265 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2266 |
err = host_to_target_semarray(semid, target_su.array, &array); |
2267 |
if (err)
|
2268 |
return err;
|
2269 |
break;
|
2270 |
case IPC_STAT:
|
2271 |
case IPC_SET:
|
2272 |
case SEM_STAT:
|
2273 |
err = target_to_host_semid_ds(&dsarg, target_su.buf); |
2274 |
if (err)
|
2275 |
return err;
|
2276 |
arg.buf = &dsarg; |
2277 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2278 |
err = host_to_target_semid_ds(target_su.buf, &dsarg); |
2279 |
if (err)
|
2280 |
return err;
|
2281 |
break;
|
2282 |
case IPC_INFO:
|
2283 |
case SEM_INFO:
|
2284 |
arg.__buf = &seminfo; |
2285 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2286 |
err = host_to_target_seminfo(target_su.__buf, &seminfo); |
2287 |
if (err)
|
2288 |
return err;
|
2289 |
break;
|
2290 |
case IPC_RMID:
|
2291 |
case GETPID:
|
2292 |
case GETNCNT:
|
2293 |
case GETZCNT:
|
2294 |
ret = get_errno(semctl(semid, semnum, cmd, NULL));
|
2295 |
break;
|
2296 |
} |
2297 |
|
2298 |
return ret;
|
2299 |
} |
2300 |
|
2301 |
struct target_sembuf {
|
2302 |
unsigned short sem_num; |
2303 |
short sem_op;
|
2304 |
short sem_flg;
|
2305 |
}; |
2306 |
|
2307 |
static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, |
2308 |
abi_ulong target_addr, |
2309 |
unsigned nsops)
|
2310 |
{ |
2311 |
struct target_sembuf *target_sembuf;
|
2312 |
int i;
|
2313 |
|
2314 |
target_sembuf = lock_user(VERIFY_READ, target_addr, |
2315 |
nsops*sizeof(struct target_sembuf), 1); |
2316 |
if (!target_sembuf)
|
2317 |
return -TARGET_EFAULT;
|
2318 |
|
2319 |
for(i=0; i<nsops; i++) { |
2320 |
__get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); |
2321 |
__get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); |
2322 |
__get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); |
2323 |
} |
2324 |
|
2325 |
unlock_user(target_sembuf, target_addr, 0);
|
2326 |
|
2327 |
return 0; |
2328 |
} |
2329 |
|
2330 |
static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) |
2331 |
{ |
2332 |
struct sembuf sops[nsops];
|
2333 |
|
2334 |
if (target_to_host_sembuf(sops, ptr, nsops))
|
2335 |
return -TARGET_EFAULT;
|
2336 |
|
2337 |
return semop(semid, sops, nsops);
|
2338 |
} |
2339 |
|
2340 |
struct target_msqid_ds
|
2341 |
{ |
2342 |
struct target_ipc_perm msg_perm;
|
2343 |
abi_ulong msg_stime; |
2344 |
#if TARGET_ABI_BITS == 32 |
2345 |
abi_ulong __unused1; |
2346 |
#endif
|
2347 |
abi_ulong msg_rtime; |
2348 |
#if TARGET_ABI_BITS == 32 |
2349 |
abi_ulong __unused2; |
2350 |
#endif
|
2351 |
abi_ulong msg_ctime; |
2352 |
#if TARGET_ABI_BITS == 32 |
2353 |
abi_ulong __unused3; |
2354 |
#endif
|
2355 |
abi_ulong __msg_cbytes; |
2356 |
abi_ulong msg_qnum; |
2357 |
abi_ulong msg_qbytes; |
2358 |
abi_ulong msg_lspid; |
2359 |
abi_ulong msg_lrpid; |
2360 |
abi_ulong __unused4; |
2361 |
abi_ulong __unused5; |
2362 |
}; |
2363 |
|
2364 |
static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
2365 |
abi_ulong target_addr) |
2366 |
{ |
2367 |
struct target_msqid_ds *target_md;
|
2368 |
|
2369 |
if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
2370 |
return -TARGET_EFAULT;
|
2371 |
if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
|
2372 |
return -TARGET_EFAULT;
|
2373 |
host_md->msg_stime = tswapl(target_md->msg_stime); |
2374 |
host_md->msg_rtime = tswapl(target_md->msg_rtime); |
2375 |
host_md->msg_ctime = tswapl(target_md->msg_ctime); |
2376 |
host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes); |
2377 |
host_md->msg_qnum = tswapl(target_md->msg_qnum); |
2378 |
host_md->msg_qbytes = tswapl(target_md->msg_qbytes); |
2379 |
host_md->msg_lspid = tswapl(target_md->msg_lspid); |
2380 |
host_md->msg_lrpid = tswapl(target_md->msg_lrpid); |
2381 |
unlock_user_struct(target_md, target_addr, 0);
|
2382 |
return 0; |
2383 |
} |
2384 |
|
2385 |
static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
2386 |
struct msqid_ds *host_md)
|
2387 |
{ |
2388 |
struct target_msqid_ds *target_md;
|
2389 |
|
2390 |
if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
2391 |
return -TARGET_EFAULT;
|
2392 |
if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
|
2393 |
return -TARGET_EFAULT;
|
2394 |
target_md->msg_stime = tswapl(host_md->msg_stime); |
2395 |
target_md->msg_rtime = tswapl(host_md->msg_rtime); |
2396 |
target_md->msg_ctime = tswapl(host_md->msg_ctime); |
2397 |
target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes); |
2398 |
target_md->msg_qnum = tswapl(host_md->msg_qnum); |
2399 |
target_md->msg_qbytes = tswapl(host_md->msg_qbytes); |
2400 |
target_md->msg_lspid = tswapl(host_md->msg_lspid); |
2401 |
target_md->msg_lrpid = tswapl(host_md->msg_lrpid); |
2402 |
unlock_user_struct(target_md, target_addr, 1);
|
2403 |
return 0; |
2404 |
} |
2405 |
|
2406 |
struct target_msginfo {
|
2407 |
int msgpool;
|
2408 |
int msgmap;
|
2409 |
int msgmax;
|
2410 |
int msgmnb;
|
2411 |
int msgmni;
|
2412 |
int msgssz;
|
2413 |
int msgtql;
|
2414 |
unsigned short int msgseg; |
2415 |
}; |
2416 |
|
2417 |
static inline abi_long host_to_target_msginfo(abi_ulong target_addr, |
2418 |
struct msginfo *host_msginfo)
|
2419 |
{ |
2420 |
struct target_msginfo *target_msginfo;
|
2421 |
if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) |
2422 |
return -TARGET_EFAULT;
|
2423 |
__put_user(host_msginfo->msgpool, &target_msginfo->msgpool); |
2424 |
__put_user(host_msginfo->msgmap, &target_msginfo->msgmap); |
2425 |
__put_user(host_msginfo->msgmax, &target_msginfo->msgmax); |
2426 |
__put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); |
2427 |
__put_user(host_msginfo->msgmni, &target_msginfo->msgmni); |
2428 |
__put_user(host_msginfo->msgssz, &target_msginfo->msgssz); |
2429 |
__put_user(host_msginfo->msgtql, &target_msginfo->msgtql); |
2430 |
__put_user(host_msginfo->msgseg, &target_msginfo->msgseg); |
2431 |
unlock_user_struct(target_msginfo, target_addr, 1);
|
2432 |
return 0; |
2433 |
} |
2434 |
|
2435 |
static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) |
2436 |
{ |
2437 |
struct msqid_ds dsarg;
|
2438 |
struct msginfo msginfo;
|
2439 |
abi_long ret = -TARGET_EINVAL; |
2440 |
|
2441 |
cmd &= 0xff;
|
2442 |
|
2443 |
switch (cmd) {
|
2444 |
case IPC_STAT:
|
2445 |
case IPC_SET:
|
2446 |
case MSG_STAT:
|
2447 |
if (target_to_host_msqid_ds(&dsarg,ptr))
|
2448 |
return -TARGET_EFAULT;
|
2449 |
ret = get_errno(msgctl(msgid, cmd, &dsarg)); |
2450 |
if (host_to_target_msqid_ds(ptr,&dsarg))
|
2451 |
return -TARGET_EFAULT;
|
2452 |
break;
|
2453 |
case IPC_RMID:
|
2454 |
ret = get_errno(msgctl(msgid, cmd, NULL));
|
2455 |
break;
|
2456 |
case IPC_INFO:
|
2457 |
case MSG_INFO:
|
2458 |
ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
|
2459 |
if (host_to_target_msginfo(ptr, &msginfo))
|
2460 |
return -TARGET_EFAULT;
|
2461 |
break;
|
2462 |
} |
2463 |
|
2464 |
return ret;
|
2465 |
} |
2466 |
|
2467 |
struct target_msgbuf {
|
2468 |
abi_long mtype; |
2469 |
char mtext[1]; |
2470 |
}; |
2471 |
|
2472 |
static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
2473 |
unsigned int msgsz, int msgflg) |
2474 |
{ |
2475 |
struct target_msgbuf *target_mb;
|
2476 |
struct msgbuf *host_mb;
|
2477 |
abi_long ret = 0;
|
2478 |
|
2479 |
if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
2480 |
return -TARGET_EFAULT;
|
2481 |
host_mb = malloc(msgsz+sizeof(long)); |
2482 |
host_mb->mtype = (abi_long) tswapl(target_mb->mtype); |
2483 |
memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
2484 |
ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); |
2485 |
free(host_mb); |
2486 |
unlock_user_struct(target_mb, msgp, 0);
|
2487 |
|
2488 |
return ret;
|
2489 |
} |
2490 |
|
2491 |
static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
2492 |
unsigned int msgsz, abi_long msgtyp, |
2493 |
int msgflg)
|
2494 |
{ |
2495 |
struct target_msgbuf *target_mb;
|
2496 |
char *target_mtext;
|
2497 |
struct msgbuf *host_mb;
|
2498 |
abi_long ret = 0;
|
2499 |
|
2500 |
if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
2501 |
return -TARGET_EFAULT;
|
2502 |
|
2503 |
host_mb = malloc(msgsz+sizeof(long)); |
2504 |
ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg)); |
2505 |
|
2506 |
if (ret > 0) { |
2507 |
abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
|
2508 |
target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
|
2509 |
if (!target_mtext) {
|
2510 |
ret = -TARGET_EFAULT; |
2511 |
goto end;
|
2512 |
} |
2513 |
memcpy(target_mb->mtext, host_mb->mtext, ret); |
2514 |
unlock_user(target_mtext, target_mtext_addr, ret); |
2515 |
} |
2516 |
|
2517 |
target_mb->mtype = tswapl(host_mb->mtype); |
2518 |
free(host_mb); |
2519 |
|
2520 |
end:
|
2521 |
if (target_mb)
|
2522 |
unlock_user_struct(target_mb, msgp, 1);
|
2523 |
return ret;
|
2524 |
} |
2525 |
|
2526 |
struct target_shmid_ds
|
2527 |
{ |
2528 |
struct target_ipc_perm shm_perm;
|
2529 |
abi_ulong shm_segsz; |
2530 |
abi_ulong shm_atime; |
2531 |
#if TARGET_ABI_BITS == 32 |
2532 |
abi_ulong __unused1; |
2533 |
#endif
|
2534 |
abi_ulong shm_dtime; |
2535 |
#if TARGET_ABI_BITS == 32 |
2536 |
abi_ulong __unused2; |
2537 |
#endif
|
2538 |
abi_ulong shm_ctime; |
2539 |
#if TARGET_ABI_BITS == 32 |
2540 |
abi_ulong __unused3; |
2541 |
#endif
|
2542 |
int shm_cpid;
|
2543 |
int shm_lpid;
|
2544 |
abi_ulong shm_nattch; |
2545 |
unsigned long int __unused4; |
2546 |
unsigned long int __unused5; |
2547 |
}; |
2548 |
|
2549 |
static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
2550 |
abi_ulong target_addr) |
2551 |
{ |
2552 |
struct target_shmid_ds *target_sd;
|
2553 |
|
2554 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2555 |
return -TARGET_EFAULT;
|
2556 |
if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
|
2557 |
return -TARGET_EFAULT;
|
2558 |
__get_user(host_sd->shm_segsz, &target_sd->shm_segsz); |
2559 |
__get_user(host_sd->shm_atime, &target_sd->shm_atime); |
2560 |
__get_user(host_sd->shm_dtime, &target_sd->shm_dtime); |
2561 |
__get_user(host_sd->shm_ctime, &target_sd->shm_ctime); |
2562 |
__get_user(host_sd->shm_cpid, &target_sd->shm_cpid); |
2563 |
__get_user(host_sd->shm_lpid, &target_sd->shm_lpid); |
2564 |
__get_user(host_sd->shm_nattch, &target_sd->shm_nattch); |
2565 |
unlock_user_struct(target_sd, target_addr, 0);
|
2566 |
return 0; |
2567 |
} |
2568 |
|
2569 |
static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, |
2570 |
struct shmid_ds *host_sd)
|
2571 |
{ |
2572 |
struct target_shmid_ds *target_sd;
|
2573 |
|
2574 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2575 |
return -TARGET_EFAULT;
|
2576 |
if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
|
2577 |
return -TARGET_EFAULT;
|
2578 |
__put_user(host_sd->shm_segsz, &target_sd->shm_segsz); |
2579 |
__put_user(host_sd->shm_atime, &target_sd->shm_atime); |
2580 |
__put_user(host_sd->shm_dtime, &target_sd->shm_dtime); |
2581 |
__put_user(host_sd->shm_ctime, &target_sd->shm_ctime); |
2582 |
__put_user(host_sd->shm_cpid, &target_sd->shm_cpid); |
2583 |
__put_user(host_sd->shm_lpid, &target_sd->shm_lpid); |
2584 |
__put_user(host_sd->shm_nattch, &target_sd->shm_nattch); |
2585 |
unlock_user_struct(target_sd, target_addr, 1);
|
2586 |
return 0; |
2587 |
} |
2588 |
|
2589 |
struct target_shminfo {
|
2590 |
abi_ulong shmmax; |
2591 |
abi_ulong shmmin; |
2592 |
abi_ulong shmmni; |
2593 |
abi_ulong shmseg; |
2594 |
abi_ulong shmall; |
2595 |
}; |
2596 |
|
2597 |
static inline abi_long host_to_target_shminfo(abi_ulong target_addr, |
2598 |
struct shminfo *host_shminfo)
|
2599 |
{ |
2600 |
struct target_shminfo *target_shminfo;
|
2601 |
if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) |
2602 |
return -TARGET_EFAULT;
|
2603 |
__put_user(host_shminfo->shmmax, &target_shminfo->shmmax); |
2604 |
__put_user(host_shminfo->shmmin, &target_shminfo->shmmin); |
2605 |
__put_user(host_shminfo->shmmni, &target_shminfo->shmmni); |
2606 |
__put_user(host_shminfo->shmseg, &target_shminfo->shmseg); |
2607 |
__put_user(host_shminfo->shmall, &target_shminfo->shmall); |
2608 |
unlock_user_struct(target_shminfo, target_addr, 1);
|
2609 |
return 0; |
2610 |
} |
2611 |
|
2612 |
struct target_shm_info {
|
2613 |
int used_ids;
|
2614 |
abi_ulong shm_tot; |
2615 |
abi_ulong shm_rss; |
2616 |
abi_ulong shm_swp; |
2617 |
abi_ulong swap_attempts; |
2618 |
abi_ulong swap_successes; |
2619 |
}; |
2620 |
|
2621 |
static inline abi_long host_to_target_shm_info(abi_ulong target_addr, |
2622 |
struct shm_info *host_shm_info)
|
2623 |
{ |
2624 |
struct target_shm_info *target_shm_info;
|
2625 |
if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) |
2626 |
return -TARGET_EFAULT;
|
2627 |
__put_user(host_shm_info->used_ids, &target_shm_info->used_ids); |
2628 |
__put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); |
2629 |
__put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); |
2630 |
__put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); |
2631 |
__put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); |
2632 |
__put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); |
2633 |
unlock_user_struct(target_shm_info, target_addr, 1);
|
2634 |
return 0; |
2635 |
} |
2636 |
|
2637 |
static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) |
2638 |
{ |
2639 |
struct shmid_ds dsarg;
|
2640 |
struct shminfo shminfo;
|
2641 |
struct shm_info shm_info;
|
2642 |
abi_long ret = -TARGET_EINVAL; |
2643 |
|
2644 |
cmd &= 0xff;
|
2645 |
|
2646 |
switch(cmd) {
|
2647 |
case IPC_STAT:
|
2648 |
case IPC_SET:
|
2649 |
case SHM_STAT:
|
2650 |
if (target_to_host_shmid_ds(&dsarg, buf))
|
2651 |
return -TARGET_EFAULT;
|
2652 |
ret = get_errno(shmctl(shmid, cmd, &dsarg)); |
2653 |
if (host_to_target_shmid_ds(buf, &dsarg))
|
2654 |
return -TARGET_EFAULT;
|
2655 |
break;
|
2656 |
case IPC_INFO:
|
2657 |
ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
|
2658 |
if (host_to_target_shminfo(buf, &shminfo))
|
2659 |
return -TARGET_EFAULT;
|
2660 |
break;
|
2661 |
case SHM_INFO:
|
2662 |
ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
|
2663 |
if (host_to_target_shm_info(buf, &shm_info))
|
2664 |
return -TARGET_EFAULT;
|
2665 |
break;
|
2666 |
case IPC_RMID:
|
2667 |
case SHM_LOCK:
|
2668 |
case SHM_UNLOCK:
|
2669 |
ret = get_errno(shmctl(shmid, cmd, NULL));
|
2670 |
break;
|
2671 |
} |
2672 |
|
2673 |
return ret;
|
2674 |
} |
2675 |
|
2676 |
static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg) |
2677 |
{ |
2678 |
abi_long raddr; |
2679 |
void *host_raddr;
|
2680 |
struct shmid_ds shm_info;
|
2681 |
int i,ret;
|
2682 |
|
2683 |
/* find out the length of the shared memory segment */
|
2684 |
ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); |
2685 |
if (is_error(ret)) {
|
2686 |
/* can't get length, bail out */
|
2687 |
return ret;
|
2688 |
} |
2689 |
|
2690 |
mmap_lock(); |
2691 |
|
2692 |
if (shmaddr)
|
2693 |
host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
|
2694 |
else {
|
2695 |
abi_ulong mmap_start; |
2696 |
|
2697 |
mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
|
2698 |
|
2699 |
if (mmap_start == -1) { |
2700 |
errno = ENOMEM; |
2701 |
host_raddr = (void *)-1; |
2702 |
} else
|
2703 |
host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); |
2704 |
} |
2705 |
|
2706 |
if (host_raddr == (void *)-1) { |
2707 |
mmap_unlock(); |
2708 |
return get_errno((long)host_raddr); |
2709 |
} |
2710 |
raddr=h2g((unsigned long)host_raddr); |
2711 |
|
2712 |
page_set_flags(raddr, raddr + shm_info.shm_segsz, |
2713 |
PAGE_VALID | PAGE_READ | |
2714 |
((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
|
2715 |
|
2716 |
for (i = 0; i < N_SHM_REGIONS; i++) { |
2717 |
if (shm_regions[i].start == 0) { |
2718 |
shm_regions[i].start = raddr; |
2719 |
shm_regions[i].size = shm_info.shm_segsz; |
2720 |
break;
|
2721 |
} |
2722 |
} |
2723 |
|
2724 |
mmap_unlock(); |
2725 |
return raddr;
|
2726 |
|
2727 |
} |
2728 |
|
2729 |
static inline abi_long do_shmdt(abi_ulong shmaddr) |
2730 |
{ |
2731 |
int i;
|
2732 |
|
2733 |
for (i = 0; i < N_SHM_REGIONS; ++i) { |
2734 |
if (shm_regions[i].start == shmaddr) {
|
2735 |
shm_regions[i].start = 0;
|
2736 |
page_set_flags(shmaddr, shm_regions[i].size, 0);
|
2737 |
break;
|
2738 |
} |
2739 |
} |
2740 |
|
2741 |
return get_errno(shmdt(g2h(shmaddr)));
|
2742 |
} |
2743 |
|
2744 |
#ifdef TARGET_NR_ipc
|
2745 |
/* ??? This only works with linear mappings. */
|
2746 |
/* do_ipc() must return target values and target errnos. */
|
2747 |
static abi_long do_ipc(unsigned int call, int first, |
2748 |
int second, int third, |
2749 |
abi_long ptr, abi_long fifth) |
2750 |
{ |
2751 |
int version;
|
2752 |
abi_long ret = 0;
|
2753 |
|
2754 |
version = call >> 16;
|
2755 |
call &= 0xffff;
|
2756 |
|
2757 |
switch (call) {
|
2758 |
case IPCOP_semop:
|
2759 |
ret = do_semop(first, ptr, second); |
2760 |
break;
|
2761 |
|
2762 |
case IPCOP_semget:
|
2763 |
ret = get_errno(semget(first, second, third)); |
2764 |
break;
|
2765 |
|
2766 |
case IPCOP_semctl:
|
2767 |
ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
|
2768 |
break;
|
2769 |
|
2770 |
case IPCOP_msgget:
|
2771 |
ret = get_errno(msgget(first, second)); |
2772 |
break;
|
2773 |
|
2774 |
case IPCOP_msgsnd:
|
2775 |
ret = do_msgsnd(first, ptr, second, third); |
2776 |
break;
|
2777 |
|
2778 |
case IPCOP_msgctl:
|
2779 |
ret = do_msgctl(first, second, ptr); |
2780 |
break;
|
2781 |
|
2782 |
case IPCOP_msgrcv:
|
2783 |
switch (version) {
|
2784 |
case 0: |
2785 |
{ |
2786 |
struct target_ipc_kludge {
|
2787 |
abi_long msgp; |
2788 |
abi_long msgtyp; |
2789 |
} *tmp; |
2790 |
|
2791 |
if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { |
2792 |
ret = -TARGET_EFAULT; |
2793 |
break;
|
2794 |
} |
2795 |
|
2796 |
ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third); |
2797 |
|
2798 |
unlock_user_struct(tmp, ptr, 0);
|
2799 |
break;
|
2800 |
} |
2801 |
default:
|
2802 |
ret = do_msgrcv(first, ptr, second, fifth, third); |
2803 |
} |
2804 |
break;
|
2805 |
|
2806 |
case IPCOP_shmat:
|
2807 |
switch (version) {
|
2808 |
default:
|
2809 |
{ |
2810 |
abi_ulong raddr; |
2811 |
raddr = do_shmat(first, ptr, second); |
2812 |
if (is_error(raddr))
|
2813 |
return get_errno(raddr);
|
2814 |
if (put_user_ual(raddr, third))
|
2815 |
return -TARGET_EFAULT;
|
2816 |
break;
|
2817 |
} |
2818 |
case 1: |
2819 |
ret = -TARGET_EINVAL; |
2820 |
break;
|
2821 |
} |
2822 |
break;
|
2823 |
case IPCOP_shmdt:
|
2824 |
ret = do_shmdt(ptr); |
2825 |
break;
|
2826 |
|
2827 |
case IPCOP_shmget:
|
2828 |
/* IPC_* flag values are the same on all linux platforms */
|
2829 |
ret = get_errno(shmget(first, second, third)); |
2830 |
break;
|
2831 |
|
2832 |
/* IPC_* and SHM_* command values are the same on all linux platforms */
|
2833 |
case IPCOP_shmctl:
|
2834 |
ret = do_shmctl(first, second, third); |
2835 |
break;
|
2836 |
default:
|
2837 |
gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
|
2838 |
ret = -TARGET_ENOSYS; |
2839 |
break;
|
2840 |
} |
2841 |
return ret;
|
2842 |
} |
2843 |
#endif
|
2844 |
|
2845 |
/* kernel structure types definitions */
|
2846 |
#define IFNAMSIZ 16 |
2847 |
|
2848 |
#define STRUCT(name, ...) STRUCT_ ## name, |
2849 |
#define STRUCT_SPECIAL(name) STRUCT_ ## name, |
2850 |
enum {
|
2851 |
#include "syscall_types.h" |
2852 |
}; |
2853 |
#undef STRUCT
|
2854 |
#undef STRUCT_SPECIAL
|
2855 |
|
2856 |
#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
2857 |
#define STRUCT_SPECIAL(name)
|
2858 |
#include "syscall_types.h" |
2859 |
#undef STRUCT
|
2860 |
#undef STRUCT_SPECIAL
|
2861 |
|
2862 |
typedef struct IOCTLEntry { |
2863 |
unsigned int target_cmd; |
2864 |
unsigned int host_cmd; |
2865 |
const char *name; |
2866 |
int access;
|
2867 |
const argtype arg_type[5]; |
2868 |
} IOCTLEntry; |
2869 |
|
2870 |
#define IOC_R 0x0001 |
2871 |
#define IOC_W 0x0002 |
2872 |
#define IOC_RW (IOC_R | IOC_W)
|
2873 |
|
2874 |
#define MAX_STRUCT_SIZE 4096 |
2875 |
|
2876 |
static IOCTLEntry ioctl_entries[] = {
|
2877 |
#define IOCTL(cmd, access, ...) \
|
2878 |
{ TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } }, |
2879 |
#include "ioctls.h" |
2880 |
{ 0, 0, }, |
2881 |
}; |
2882 |
|
2883 |
/* ??? Implement proper locking for ioctls. */
|
2884 |
/* do_ioctl() Must return target values and target errnos. */
|
2885 |
static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) |
2886 |
{ |
2887 |
const IOCTLEntry *ie;
|
2888 |
const argtype *arg_type;
|
2889 |
abi_long ret; |
2890 |
uint8_t buf_temp[MAX_STRUCT_SIZE]; |
2891 |
int target_size;
|
2892 |
void *argptr;
|
2893 |
|
2894 |
ie = ioctl_entries; |
2895 |
for(;;) {
|
2896 |
if (ie->target_cmd == 0) { |
2897 |
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
2898 |
return -TARGET_ENOSYS;
|
2899 |
} |
2900 |
if (ie->target_cmd == cmd)
|
2901 |
break;
|
2902 |
ie++; |
2903 |
} |
2904 |
arg_type = ie->arg_type; |
2905 |
#if defined(DEBUG)
|
2906 |
gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); |
2907 |
#endif
|
2908 |
switch(arg_type[0]) { |
2909 |
case TYPE_NULL:
|
2910 |
/* no argument */
|
2911 |
ret = get_errno(ioctl(fd, ie->host_cmd)); |
2912 |
break;
|
2913 |
case TYPE_PTRVOID:
|
2914 |
case TYPE_INT:
|
2915 |
/* int argment */
|
2916 |
ret = get_errno(ioctl(fd, ie->host_cmd, arg)); |
2917 |
break;
|
2918 |
case TYPE_PTR:
|
2919 |
arg_type++; |
2920 |
target_size = thunk_type_size(arg_type, 0);
|
2921 |
switch(ie->access) {
|
2922 |
case IOC_R:
|
2923 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
2924 |
if (!is_error(ret)) {
|
2925 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
2926 |
if (!argptr)
|
2927 |
return -TARGET_EFAULT;
|
2928 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
2929 |
unlock_user(argptr, arg, target_size); |
2930 |
} |
2931 |
break;
|
2932 |
case IOC_W:
|
2933 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
2934 |
if (!argptr)
|
2935 |
return -TARGET_EFAULT;
|
2936 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
2937 |
unlock_user(argptr, arg, 0);
|
2938 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
2939 |
break;
|
2940 |
default:
|
2941 |
case IOC_RW:
|
2942 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
2943 |
if (!argptr)
|
2944 |
return -TARGET_EFAULT;
|
2945 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
2946 |
unlock_user(argptr, arg, 0);
|
2947 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
2948 |
if (!is_error(ret)) {
|
2949 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
2950 |
if (!argptr)
|
2951 |
return -TARGET_EFAULT;
|
2952 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
2953 |
unlock_user(argptr, arg, target_size); |
2954 |
} |
2955 |
break;
|
2956 |
} |
2957 |
break;
|
2958 |
default:
|
2959 |
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
|
2960 |
(long)cmd, arg_type[0]); |
2961 |
ret = -TARGET_ENOSYS; |
2962 |
break;
|
2963 |
} |
2964 |
return ret;
|
2965 |
} |
2966 |
|
2967 |
static const bitmask_transtbl iflag_tbl[] = { |
2968 |
{ TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
2969 |
{ TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, |
2970 |
{ TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, |
2971 |
{ TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, |
2972 |
{ TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, |
2973 |
{ TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, |
2974 |
{ TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, |
2975 |
{ TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, |
2976 |
{ TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, |
2977 |
{ TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, |
2978 |
{ TARGET_IXON, TARGET_IXON, IXON, IXON }, |
2979 |
{ TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, |
2980 |
{ TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, |
2981 |
{ TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, |
2982 |
{ 0, 0, 0, 0 } |
2983 |
}; |
2984 |
|
2985 |
static const bitmask_transtbl oflag_tbl[] = { |
2986 |
{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
2987 |
{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, |
2988 |
{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, |
2989 |
{ TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, |
2990 |
{ TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, |
2991 |
{ TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, |
2992 |
{ TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, |
2993 |
{ TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, |
2994 |
{ TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, |
2995 |
{ TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, |
2996 |
{ TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, |
2997 |
{ TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, |
2998 |
{ TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, |
2999 |
{ TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, |
3000 |
{ TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, |
3001 |
{ TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, |
3002 |
{ TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, |
3003 |
{ TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, |
3004 |
{ TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, |
3005 |
{ TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, |
3006 |
{ TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, |
3007 |
{ TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, |
3008 |
{ TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, |
3009 |
{ TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, |
3010 |
{ 0, 0, 0, 0 } |
3011 |
}; |
3012 |
|
3013 |
static const bitmask_transtbl cflag_tbl[] = { |
3014 |
{ TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
3015 |
{ TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, |
3016 |
{ TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, |
3017 |
{ TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, |
3018 |
{ TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, |
3019 |
{ TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, |
3020 |
{ TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, |
3021 |
{ TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, |
3022 |
{ TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, |
3023 |
{ TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, |
3024 |
{ TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, |
3025 |
{ TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, |
3026 |
{ TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, |
3027 |
{ TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, |
3028 |
{ TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, |
3029 |
{ TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, |
3030 |
{ TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, |
3031 |
{ TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, |
3032 |
{ TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, |
3033 |
{ TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, |
3034 |
{ TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, |
3035 |
{ TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, |
3036 |
{ TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, |
3037 |
{ TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, |
3038 |
{ TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, |
3039 |
{ TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, |
3040 |
{ TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, |
3041 |
{ TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, |
3042 |
{ TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, |
3043 |
{ TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, |
3044 |
{ TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, |
3045 |
{ 0, 0, 0, 0 } |
3046 |
}; |
3047 |
|
3048 |
static const bitmask_transtbl lflag_tbl[] = { |
3049 |
{ TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
3050 |
{ TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, |
3051 |
{ TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, |
3052 |
{ TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, |
3053 |
{ TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, |
3054 |
{ TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, |
3055 |
{ TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, |
3056 |
{ TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, |
3057 |
{ TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, |
3058 |
{ TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, |
3059 |
{ TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, |
3060 |
{ TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, |
3061 |
{ TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, |
3062 |
{ TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, |
3063 |
{ TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, |
3064 |
{ 0, 0, 0, 0 } |
3065 |
}; |
3066 |
|
3067 |
static void target_to_host_termios (void *dst, const void *src) |
3068 |
{ |
3069 |
struct host_termios *host = dst;
|
3070 |
const struct target_termios *target = src; |
3071 |
|
3072 |
host->c_iflag = |
3073 |
target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
3074 |
host->c_oflag = |
3075 |
target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
3076 |
host->c_cflag = |
3077 |
target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
3078 |
host->c_lflag = |
3079 |
target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
3080 |
host->c_line = target->c_line; |
3081 |
|
3082 |
memset(host->c_cc, 0, sizeof(host->c_cc)); |
3083 |
host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
3084 |
host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; |
3085 |
host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
3086 |
host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3087 |
host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
3088 |
host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3089 |
host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
3090 |
host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3091 |
host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
3092 |
host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
3093 |
host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; |
3094 |
host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
3095 |
host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; |
3096 |
host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; |
3097 |
host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; |
3098 |
host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; |
3099 |
host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
3100 |
} |
3101 |
|
3102 |
static void host_to_target_termios (void *dst, const void *src) |
3103 |
{ |
3104 |
struct target_termios *target = dst;
|
3105 |
const struct host_termios *host = src; |
3106 |
|
3107 |
target->c_iflag = |
3108 |
tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
3109 |
target->c_oflag = |
3110 |
tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
3111 |
target->c_cflag = |
3112 |
tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
3113 |
target->c_lflag = |
3114 |
tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
3115 |
target->c_line = host->c_line; |
3116 |
|
3117 |
memset(target->c_cc, 0, sizeof(target->c_cc)); |
3118 |
target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
3119 |
target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; |
3120 |
target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; |
3121 |
target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; |
3122 |
target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; |
3123 |
target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; |
3124 |
target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; |
3125 |
target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; |
3126 |
target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; |
3127 |
target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; |
3128 |
target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; |
3129 |
target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; |
3130 |
target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; |
3131 |
target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; |
3132 |
target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; |
3133 |
target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; |
3134 |
target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; |
3135 |
} |
3136 |
|
3137 |
static const StructEntry struct_termios_def = { |
3138 |
.convert = { host_to_target_termios, target_to_host_termios }, |
3139 |
.size = { sizeof(struct target_termios), sizeof(struct host_termios) }, |
3140 |
.align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, |
3141 |
}; |
3142 |
|
3143 |
static bitmask_transtbl mmap_flags_tbl[] = {
|
3144 |
{ TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, |
3145 |
{ TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, |
3146 |
{ TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, |
3147 |
{ TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, |
3148 |
{ TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, |
3149 |
{ TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, |
3150 |
{ TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, |
3151 |
{ TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, |
3152 |
{ 0, 0, 0, 0 } |
3153 |
}; |
3154 |
|
3155 |
#if defined(TARGET_I386)
|
3156 |
|
3157 |
/* NOTE: there is really one LDT for all the threads */
|
3158 |
static uint8_t *ldt_table;
|
3159 |
|
3160 |
static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
3161 |
{ |
3162 |
int size;
|
3163 |
void *p;
|
3164 |
|
3165 |
if (!ldt_table)
|
3166 |
return 0; |
3167 |
size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; |
3168 |
if (size > bytecount)
|
3169 |
size = bytecount; |
3170 |
p = lock_user(VERIFY_WRITE, ptr, size, 0);
|
3171 |
if (!p)
|
3172 |
return -TARGET_EFAULT;
|
3173 |
/* ??? Should this by byteswapped? */
|
3174 |
memcpy(p, ldt_table, size); |
3175 |
unlock_user(p, ptr, size); |
3176 |
return size;
|
3177 |
} |
3178 |
|
3179 |
/* XXX: add locking support */
|
3180 |
static abi_long write_ldt(CPUX86State *env,
|
3181 |
abi_ulong ptr, unsigned long bytecount, int oldmode) |
3182 |
{ |
3183 |
struct target_modify_ldt_ldt_s ldt_info;
|
3184 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
3185 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
3186 |
int seg_not_present, useable, lm;
|
3187 |
uint32_t *lp, entry_1, entry_2; |
3188 |
|
3189 |
if (bytecount != sizeof(ldt_info)) |
3190 |
return -TARGET_EINVAL;
|
3191 |
if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
3192 |
return -TARGET_EFAULT;
|
3193 |
ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
3194 |
ldt_info.base_addr = tswapl(target_ldt_info->base_addr); |
3195 |
ldt_info.limit = tswap32(target_ldt_info->limit); |
3196 |
ldt_info.flags = tswap32(target_ldt_info->flags); |
3197 |
unlock_user_struct(target_ldt_info, ptr, 0);
|
3198 |
|
3199 |
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
|
3200 |
return -TARGET_EINVAL;
|
3201 |
seg_32bit = ldt_info.flags & 1;
|
3202 |
contents = (ldt_info.flags >> 1) & 3; |
3203 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
3204 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
3205 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
3206 |
useable = (ldt_info.flags >> 6) & 1; |
3207 |
#ifdef TARGET_ABI32
|
3208 |
lm = 0;
|
3209 |
#else
|
3210 |
lm = (ldt_info.flags >> 7) & 1; |
3211 |
#endif
|
3212 |
if (contents == 3) { |
3213 |
if (oldmode)
|
3214 |
return -TARGET_EINVAL;
|
3215 |
if (seg_not_present == 0) |
3216 |
return -TARGET_EINVAL;
|
3217 |
} |
3218 |
/* allocate the LDT */
|
3219 |
if (!ldt_table) {
|
3220 |
env->ldt.base = target_mmap(0,
|
3221 |
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, |
3222 |
PROT_READ|PROT_WRITE, |
3223 |
MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); |
3224 |
if (env->ldt.base == -1) |
3225 |
return -TARGET_ENOMEM;
|
3226 |
memset(g2h(env->ldt.base), 0,
|
3227 |
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
3228 |
env->ldt.limit = 0xffff;
|
3229 |
ldt_table = g2h(env->ldt.base); |
3230 |
} |
3231 |
|
3232 |
/* NOTE: same code as Linux kernel */
|
3233 |
/* Allow LDTs to be cleared by the user. */
|
3234 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
3235 |
if (oldmode ||
|
3236 |
(contents == 0 &&
|
3237 |
read_exec_only == 1 &&
|
3238 |
seg_32bit == 0 &&
|
3239 |
limit_in_pages == 0 &&
|
3240 |
seg_not_present == 1 &&
|
3241 |
useable == 0 )) {
|
3242 |
entry_1 = 0;
|
3243 |
entry_2 = 0;
|
3244 |
goto install;
|
3245 |
} |
3246 |
} |
3247 |
|
3248 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
3249 |
(ldt_info.limit & 0x0ffff);
|
3250 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
3251 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
3252 |
(ldt_info.limit & 0xf0000) |
|
3253 |
((read_exec_only ^ 1) << 9) | |
3254 |
(contents << 10) |
|
3255 |
((seg_not_present ^ 1) << 15) | |
3256 |
(seg_32bit << 22) |
|
3257 |
(limit_in_pages << 23) |
|
3258 |
(lm << 21) |
|
3259 |
0x7000;
|
3260 |
if (!oldmode)
|
3261 |
entry_2 |= (useable << 20);
|
3262 |
|
3263 |
/* Install the new entry ... */
|
3264 |
install:
|
3265 |
lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
|
3266 |
lp[0] = tswap32(entry_1);
|
3267 |
lp[1] = tswap32(entry_2);
|
3268 |
return 0; |
3269 |
} |
3270 |
|
3271 |
/* specific and weird i386 syscalls */
|
3272 |
static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
3273 |
unsigned long bytecount) |
3274 |
{ |
3275 |
abi_long ret; |
3276 |
|
3277 |
switch (func) {
|
3278 |
case 0: |
3279 |
ret = read_ldt(ptr, bytecount); |
3280 |
break;
|
3281 |
case 1: |
3282 |
ret = write_ldt(env, ptr, bytecount, 1);
|
3283 |
break;
|
3284 |
case 0x11: |
3285 |
ret = write_ldt(env, ptr, bytecount, 0);
|
3286 |
break;
|
3287 |
default:
|
3288 |
ret = -TARGET_ENOSYS; |
3289 |
break;
|
3290 |
} |
3291 |
return ret;
|
3292 |
} |
3293 |
|
3294 |
#if defined(TARGET_I386) && defined(TARGET_ABI32)
|
3295 |
static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
|
3296 |
{ |
3297 |
uint64_t *gdt_table = g2h(env->gdt.base); |
3298 |
struct target_modify_ldt_ldt_s ldt_info;
|
3299 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
3300 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
3301 |
int seg_not_present, useable, lm;
|
3302 |
uint32_t *lp, entry_1, entry_2; |
3303 |
int i;
|
3304 |
|
3305 |
lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
|
3306 |
if (!target_ldt_info)
|
3307 |
return -TARGET_EFAULT;
|
3308 |
ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
3309 |
ldt_info.base_addr = tswapl(target_ldt_info->base_addr); |
3310 |
ldt_info.limit = tswap32(target_ldt_info->limit); |
3311 |
ldt_info.flags = tswap32(target_ldt_info->flags); |
3312 |
if (ldt_info.entry_number == -1) { |
3313 |
for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
|
3314 |
if (gdt_table[i] == 0) { |
3315 |
ldt_info.entry_number = i; |
3316 |
target_ldt_info->entry_number = tswap32(i); |
3317 |
break;
|
3318 |
} |
3319 |
} |
3320 |
} |
3321 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
3322 |
|
3323 |
if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
|
3324 |
ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) |
3325 |
return -TARGET_EINVAL;
|
3326 |
seg_32bit = ldt_info.flags & 1;
|
3327 |
contents = (ldt_info.flags >> 1) & 3; |
3328 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
3329 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
3330 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
3331 |
useable = (ldt_info.flags >> 6) & 1; |
3332 |
#ifdef TARGET_ABI32
|
3333 |
lm = 0;
|
3334 |
#else
|
3335 |
lm = (ldt_info.flags >> 7) & 1; |
3336 |
#endif
|
3337 |
|
3338 |
if (contents == 3) { |
3339 |
if (seg_not_present == 0) |
3340 |
return -TARGET_EINVAL;
|
3341 |
} |
3342 |
|
3343 |
/* NOTE: same code as Linux kernel */
|
3344 |
/* Allow LDTs to be cleared by the user. */
|
3345 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
3346 |
if ((contents == 0 && |
3347 |
read_exec_only == 1 &&
|
3348 |
seg_32bit == 0 &&
|
3349 |
limit_in_pages == 0 &&
|
3350 |
seg_not_present == 1 &&
|
3351 |
useable == 0 )) {
|
3352 |
entry_1 = 0;
|
3353 |
entry_2 = 0;
|
3354 |
goto install;
|
3355 |
} |
3356 |
} |
3357 |
|
3358 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
3359 |
(ldt_info.limit & 0x0ffff);
|
3360 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
3361 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
3362 |
(ldt_info.limit & 0xf0000) |
|
3363 |
((read_exec_only ^ 1) << 9) | |
3364 |
(contents << 10) |
|
3365 |
((seg_not_present ^ 1) << 15) | |
3366 |
(seg_32bit << 22) |
|
3367 |
(limit_in_pages << 23) |
|
3368 |
(useable << 20) |
|
3369 |
(lm << 21) |
|
3370 |
0x7000;
|
3371 |
|
3372 |
/* Install the new entry ... */
|
3373 |
install:
|
3374 |
lp = (uint32_t *)(gdt_table + ldt_info.entry_number); |
3375 |
lp[0] = tswap32(entry_1);
|
3376 |
lp[1] = tswap32(entry_2);
|
3377 |
return 0; |
3378 |
} |
3379 |
|
3380 |
static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
|
3381 |
{ |
3382 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
3383 |
uint64_t *gdt_table = g2h(env->gdt.base); |
3384 |
uint32_t base_addr, limit, flags; |
3385 |
int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
|
3386 |
int seg_not_present, useable, lm;
|
3387 |
uint32_t *lp, entry_1, entry_2; |
3388 |
|
3389 |
lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
|
3390 |
if (!target_ldt_info)
|
3391 |
return -TARGET_EFAULT;
|
3392 |
idx = tswap32(target_ldt_info->entry_number); |
3393 |
if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
|
3394 |
idx > TARGET_GDT_ENTRY_TLS_MAX) { |
3395 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
3396 |
return -TARGET_EINVAL;
|
3397 |
} |
3398 |
lp = (uint32_t *)(gdt_table + idx); |
3399 |
entry_1 = tswap32(lp[0]);
|
3400 |
entry_2 = tswap32(lp[1]);
|
3401 |
|
3402 |
read_exec_only = ((entry_2 >> 9) & 1) ^ 1; |
3403 |
contents = (entry_2 >> 10) & 3; |
3404 |
seg_not_present = ((entry_2 >> 15) & 1) ^ 1; |
3405 |
seg_32bit = (entry_2 >> 22) & 1; |
3406 |
limit_in_pages = (entry_2 >> 23) & 1; |
3407 |
useable = (entry_2 >> 20) & 1; |
3408 |
#ifdef TARGET_ABI32
|
3409 |
lm = 0;
|
3410 |
#else
|
3411 |
lm = (entry_2 >> 21) & 1; |
3412 |
#endif
|
3413 |
flags = (seg_32bit << 0) | (contents << 1) | |
3414 |
(read_exec_only << 3) | (limit_in_pages << 4) | |
3415 |
(seg_not_present << 5) | (useable << 6) | (lm << 7); |
3416 |
limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); |
3417 |
base_addr = (entry_1 >> 16) |
|
3418 |
(entry_2 & 0xff000000) |
|
3419 |
((entry_2 & 0xff) << 16); |
3420 |
target_ldt_info->base_addr = tswapl(base_addr); |
3421 |
target_ldt_info->limit = tswap32(limit); |
3422 |
target_ldt_info->flags = tswap32(flags); |
3423 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
3424 |
return 0; |
3425 |
} |
3426 |
#endif /* TARGET_I386 && TARGET_ABI32 */ |
3427 |
|
3428 |
#ifndef TARGET_ABI32
|
3429 |
static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
3430 |
{ |
3431 |
abi_long ret; |
3432 |
abi_ulong val; |
3433 |
int idx;
|
3434 |
|
3435 |
switch(code) {
|
3436 |
case TARGET_ARCH_SET_GS:
|
3437 |
case TARGET_ARCH_SET_FS:
|
3438 |
if (code == TARGET_ARCH_SET_GS)
|
3439 |
idx = R_GS; |
3440 |
else
|
3441 |
idx = R_FS; |
3442 |
cpu_x86_load_seg(env, idx, 0);
|
3443 |
env->segs[idx].base = addr; |
3444 |
break;
|
3445 |
case TARGET_ARCH_GET_GS:
|
3446 |
case TARGET_ARCH_GET_FS:
|
3447 |
if (code == TARGET_ARCH_GET_GS)
|
3448 |
idx = R_GS; |
3449 |
else
|
3450 |
idx = R_FS; |
3451 |
val = env->segs[idx].base; |
3452 |
if (put_user(val, addr, abi_ulong))
|
3453 |
return -TARGET_EFAULT;
|
3454 |
break;
|
3455 |
default:
|
3456 |
ret = -TARGET_EINVAL; |
3457 |
break;
|
3458 |
} |
3459 |
return 0; |
3460 |
} |
3461 |
#endif
|
3462 |
|
3463 |
#endif /* defined(TARGET_I386) */ |
3464 |
|
3465 |
#if defined(CONFIG_USE_NPTL)
|
3466 |
|
3467 |
#define NEW_STACK_SIZE PTHREAD_STACK_MIN
|
3468 |
|
3469 |
static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
|
3470 |
typedef struct { |
3471 |
CPUState *env; |
3472 |
pthread_mutex_t mutex; |
3473 |
pthread_cond_t cond; |
3474 |
pthread_t thread; |
3475 |
uint32_t tid; |
3476 |
abi_ulong child_tidptr; |
3477 |
abi_ulong parent_tidptr; |
3478 |
sigset_t sigmask; |
3479 |
} new_thread_info; |
3480 |
|
3481 |
static void *clone_func(void *arg) |
3482 |
{ |
3483 |
new_thread_info *info = arg; |
3484 |
CPUState *env; |
3485 |
TaskState *ts; |
3486 |
|
3487 |
env = info->env; |
3488 |
thread_env = env; |
3489 |
ts = (TaskState *)thread_env->opaque; |
3490 |
info->tid = gettid(); |
3491 |
env->host_tid = info->tid; |
3492 |
task_settid(ts); |
3493 |
if (info->child_tidptr)
|
3494 |
put_user_u32(info->tid, info->child_tidptr); |
3495 |
if (info->parent_tidptr)
|
3496 |
put_user_u32(info->tid, info->parent_tidptr); |
3497 |
/* Enable signals. */
|
3498 |
sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
|
3499 |
/* Signal to the parent that we're ready. */
|
3500 |
pthread_mutex_lock(&info->mutex); |
3501 |
pthread_cond_broadcast(&info->cond); |
3502 |
pthread_mutex_unlock(&info->mutex); |
3503 |
/* Wait until the parent has finshed initializing the tls state. */
|
3504 |
pthread_mutex_lock(&clone_lock); |
3505 |
pthread_mutex_unlock(&clone_lock); |
3506 |
cpu_loop(env); |
3507 |
/* never exits */
|
3508 |
return NULL; |
3509 |
} |
3510 |
#else
|
3511 |
/* this stack is the equivalent of the kernel stack associated with a
|
3512 |
thread/process */
|
3513 |
#define NEW_STACK_SIZE 8192 |
3514 |
|
3515 |
static int clone_func(void *arg) |
3516 |
{ |
3517 |
CPUState *env = arg; |
3518 |
cpu_loop(env); |
3519 |
/* never exits */
|
3520 |
return 0; |
3521 |
} |
3522 |
#endif
|
3523 |
|
3524 |
/* do_fork() Must return host values and target errnos (unlike most
|
3525 |
do_*() functions). */
|
3526 |
static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp, |
3527 |
abi_ulong parent_tidptr, target_ulong newtls, |
3528 |
abi_ulong child_tidptr) |
3529 |
{ |
3530 |
int ret;
|
3531 |
TaskState *ts; |
3532 |
uint8_t *new_stack; |
3533 |
CPUState *new_env; |
3534 |
#if defined(CONFIG_USE_NPTL)
|
3535 |
unsigned int nptl_flags; |
3536 |
sigset_t sigmask; |
3537 |
#endif
|
3538 |
|
3539 |
/* Emulate vfork() with fork() */
|
3540 |
if (flags & CLONE_VFORK)
|
3541 |
flags &= ~(CLONE_VFORK | CLONE_VM); |
3542 |
|
3543 |
if (flags & CLONE_VM) {
|
3544 |
TaskState *parent_ts = (TaskState *)env->opaque; |
3545 |
#if defined(CONFIG_USE_NPTL)
|
3546 |
new_thread_info info; |
3547 |
pthread_attr_t attr; |
3548 |
#endif
|
3549 |
ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
|
3550 |
init_task_state(ts); |
3551 |
new_stack = ts->stack; |
3552 |
/* we create a new CPU instance. */
|
3553 |
new_env = cpu_copy(env); |
3554 |
/* Init regs that differ from the parent. */
|
3555 |
cpu_clone_regs(new_env, newsp); |
3556 |
new_env->opaque = ts; |
3557 |
ts->bprm = parent_ts->bprm; |
3558 |
ts->info = parent_ts->info; |
3559 |
#if defined(CONFIG_USE_NPTL)
|
3560 |
nptl_flags = flags; |
3561 |
flags &= ~CLONE_NPTL_FLAGS2; |
3562 |
|
3563 |
if (nptl_flags & CLONE_CHILD_CLEARTID) {
|
3564 |
ts->child_tidptr = child_tidptr; |
3565 |
} |
3566 |
|
3567 |
if (nptl_flags & CLONE_SETTLS)
|
3568 |
cpu_set_tls (new_env, newtls); |
3569 |
|
3570 |
/* Grab a mutex so that thread setup appears atomic. */
|
3571 |
pthread_mutex_lock(&clone_lock); |
3572 |
|
3573 |
memset(&info, 0, sizeof(info)); |
3574 |
pthread_mutex_init(&info.mutex, NULL);
|
3575 |
pthread_mutex_lock(&info.mutex); |
3576 |
pthread_cond_init(&info.cond, NULL);
|
3577 |
info.env = new_env; |
3578 |
if (nptl_flags & CLONE_CHILD_SETTID)
|
3579 |
info.child_tidptr = child_tidptr; |
3580 |
if (nptl_flags & CLONE_PARENT_SETTID)
|
3581 |
info.parent_tidptr = parent_tidptr; |
3582 |
|
3583 |
ret = pthread_attr_init(&attr); |
3584 |
ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE); |
3585 |
/* It is not safe to deliver signals until the child has finished
|
3586 |
initializing, so temporarily block all signals. */
|
3587 |
sigfillset(&sigmask); |
3588 |
sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); |
3589 |
|
3590 |
ret = pthread_create(&info.thread, &attr, clone_func, &info); |
3591 |
/* TODO: Free new CPU state if thread creation failed. */
|
3592 |
|
3593 |
sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
|
3594 |
pthread_attr_destroy(&attr); |
3595 |
if (ret == 0) { |
3596 |
/* Wait for the child to initialize. */
|
3597 |
pthread_cond_wait(&info.cond, &info.mutex); |
3598 |
ret = info.tid; |
3599 |
if (flags & CLONE_PARENT_SETTID)
|
3600 |
put_user_u32(ret, parent_tidptr); |
3601 |
} else {
|
3602 |
ret = -1;
|
3603 |
} |
3604 |
pthread_mutex_unlock(&info.mutex); |
3605 |
pthread_cond_destroy(&info.cond); |
3606 |
pthread_mutex_destroy(&info.mutex); |
3607 |
pthread_mutex_unlock(&clone_lock); |
3608 |
#else
|
3609 |
if (flags & CLONE_NPTL_FLAGS2)
|
3610 |
return -EINVAL;
|
3611 |
/* This is probably going to die very quickly, but do it anyway. */
|
3612 |
#ifdef __ia64__
|
3613 |
ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
3614 |
#else
|
3615 |
ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
3616 |
#endif
|
3617 |
#endif
|
3618 |
} else {
|
3619 |
/* if no CLONE_VM, we consider it is a fork */
|
3620 |
if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) |
3621 |
return -EINVAL;
|
3622 |
fork_start(); |
3623 |
ret = fork(); |
3624 |
if (ret == 0) { |
3625 |
/* Child Process. */
|
3626 |
cpu_clone_regs(env, newsp); |
3627 |
fork_end(1);
|
3628 |
#if defined(CONFIG_USE_NPTL)
|
3629 |
/* There is a race condition here. The parent process could
|
3630 |
theoretically read the TID in the child process before the child
|
3631 |
tid is set. This would require using either ptrace
|
3632 |
(not implemented) or having *_tidptr to point at a shared memory
|
3633 |
mapping. We can't repeat the spinlock hack used above because
|
3634 |
the child process gets its own copy of the lock. */
|
3635 |
if (flags & CLONE_CHILD_SETTID)
|
3636 |
put_user_u32(gettid(), child_tidptr); |
3637 |
if (flags & CLONE_PARENT_SETTID)
|
3638 |
put_user_u32(gettid(), parent_tidptr); |
3639 |
ts = (TaskState *)env->opaque; |
3640 |
if (flags & CLONE_SETTLS)
|
3641 |
cpu_set_tls (env, newtls); |
3642 |
if (flags & CLONE_CHILD_CLEARTID)
|
3643 |
ts->child_tidptr = child_tidptr; |
3644 |
#endif
|
3645 |
} else {
|
3646 |
fork_end(0);
|
3647 |
} |
3648 |
} |
3649 |
return ret;
|
3650 |
} |
3651 |
|
3652 |
/* warning : doesn't handle linux specific flags... */
|
3653 |
static int target_to_host_fcntl_cmd(int cmd) |
3654 |
{ |
3655 |
switch(cmd) {
|
3656 |
case TARGET_F_DUPFD:
|
3657 |
case TARGET_F_GETFD:
|
3658 |
case TARGET_F_SETFD:
|
3659 |
case TARGET_F_GETFL:
|
3660 |
case TARGET_F_SETFL:
|
3661 |
return cmd;
|
3662 |
case TARGET_F_GETLK:
|
3663 |
return F_GETLK;
|
3664 |
case TARGET_F_SETLK:
|
3665 |
return F_SETLK;
|
3666 |
case TARGET_F_SETLKW:
|
3667 |
return F_SETLKW;
|
3668 |
case TARGET_F_GETOWN:
|
3669 |
return F_GETOWN;
|
3670 |
case TARGET_F_SETOWN:
|
3671 |
return F_SETOWN;
|
3672 |
case TARGET_F_GETSIG:
|
3673 |
return F_GETSIG;
|
3674 |
case TARGET_F_SETSIG:
|
3675 |
return F_SETSIG;
|
3676 |
#if TARGET_ABI_BITS == 32 |
3677 |
case TARGET_F_GETLK64:
|
3678 |
return F_GETLK64;
|
3679 |
case TARGET_F_SETLK64:
|
3680 |
return F_SETLK64;
|
3681 |
case TARGET_F_SETLKW64:
|
3682 |
return F_SETLKW64;
|
3683 |
#endif
|
3684 |
case TARGET_F_SETLEASE:
|
3685 |
return F_SETLEASE;
|
3686 |
case TARGET_F_GETLEASE:
|
3687 |
return F_GETLEASE;
|
3688 |
#ifdef F_DUPFD_CLOEXEC
|
3689 |
case TARGET_F_DUPFD_CLOEXEC:
|
3690 |
return F_DUPFD_CLOEXEC;
|
3691 |
#endif
|
3692 |
case TARGET_F_NOTIFY:
|
3693 |
return F_NOTIFY;
|
3694 |
default:
|
3695 |
return -TARGET_EINVAL;
|
3696 |
} |
3697 |
return -TARGET_EINVAL;
|
3698 |
} |
3699 |
|
3700 |
static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) |
3701 |
{ |
3702 |
struct flock fl;
|
3703 |
struct target_flock *target_fl;
|
3704 |
struct flock64 fl64;
|
3705 |
struct target_flock64 *target_fl64;
|
3706 |
abi_long ret; |
3707 |
int host_cmd = target_to_host_fcntl_cmd(cmd);
|
3708 |
|
3709 |
if (host_cmd == -TARGET_EINVAL)
|
3710 |
return host_cmd;
|
3711 |
|
3712 |
switch(cmd) {
|
3713 |
case TARGET_F_GETLK:
|
3714 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
3715 |
return -TARGET_EFAULT;
|
3716 |
fl.l_type = tswap16(target_fl->l_type); |
3717 |
fl.l_whence = tswap16(target_fl->l_whence); |
3718 |
fl.l_start = tswapl(target_fl->l_start); |
3719 |
fl.l_len = tswapl(target_fl->l_len); |
3720 |
fl.l_pid = tswap32(target_fl->l_pid); |
3721 |
unlock_user_struct(target_fl, arg, 0);
|
3722 |
ret = get_errno(fcntl(fd, host_cmd, &fl)); |
3723 |
if (ret == 0) { |
3724 |
if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) |
3725 |
return -TARGET_EFAULT;
|
3726 |
target_fl->l_type = tswap16(fl.l_type); |
3727 |
target_fl->l_whence = tswap16(fl.l_whence); |
3728 |
target_fl->l_start = tswapl(fl.l_start); |
3729 |
target_fl->l_len = tswapl(fl.l_len); |
3730 |
target_fl->l_pid = tswap32(fl.l_pid); |
3731 |
unlock_user_struct(target_fl, arg, 1);
|
3732 |
} |
3733 |
break;
|
3734 |
|
3735 |
case TARGET_F_SETLK:
|
3736 |
case TARGET_F_SETLKW:
|
3737 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
3738 |
return -TARGET_EFAULT;
|
3739 |
fl.l_type = tswap16(target_fl->l_type); |
3740 |
fl.l_whence = tswap16(target_fl->l_whence); |
3741 |
fl.l_start = tswapl(target_fl->l_start); |
3742 |
fl.l_len = tswapl(target_fl->l_len); |
3743 |
fl.l_pid = tswap32(target_fl->l_pid); |
3744 |
unlock_user_struct(target_fl, arg, 0);
|
3745 |
ret = get_errno(fcntl(fd, host_cmd, &fl)); |
3746 |
break;
|
3747 |
|
3748 |
case TARGET_F_GETLK64:
|
3749 |
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
3750 |
return -TARGET_EFAULT;
|
3751 |
fl64.l_type = tswap16(target_fl64->l_type) >> 1;
|
3752 |
fl64.l_whence = tswap16(target_fl64->l_whence); |
3753 |
fl64.l_start = tswapl(target_fl64->l_start); |
3754 |
fl64.l_len = tswapl(target_fl64->l_len); |
3755 |
fl64.l_pid = tswap32(target_fl64->l_pid); |
3756 |
unlock_user_struct(target_fl64, arg, 0);
|
3757 |
ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
3758 |
if (ret == 0) { |
3759 |
if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) |
3760 |
return -TARGET_EFAULT;
|
3761 |
target_fl64->l_type = tswap16(fl64.l_type) >> 1;
|
3762 |
target_fl64->l_whence = tswap16(fl64.l_whence); |
3763 |
target_fl64->l_start = tswapl(fl64.l_start); |
3764 |
target_fl64->l_len = tswapl(fl64.l_len); |
3765 |
target_fl64->l_pid = tswap32(fl64.l_pid); |
3766 |
unlock_user_struct(target_fl64, arg, 1);
|
3767 |
} |
3768 |
break;
|
3769 |
case TARGET_F_SETLK64:
|
3770 |
case TARGET_F_SETLKW64:
|
3771 |
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
3772 |
return -TARGET_EFAULT;
|
3773 |
fl64.l_type = tswap16(target_fl64->l_type) >> 1;
|
3774 |
fl64.l_whence = tswap16(target_fl64->l_whence); |
3775 |
fl64.l_start = tswapl(target_fl64->l_start); |
3776 |
fl64.l_len = tswapl(target_fl64->l_len); |
3777 |
fl64.l_pid = tswap32(target_fl64->l_pid); |
3778 |
unlock_user_struct(target_fl64, arg, 0);
|
3779 |
ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
3780 |
break;
|
3781 |
|
3782 |
case TARGET_F_GETFL:
|
3783 |
ret = get_errno(fcntl(fd, host_cmd, arg)); |
3784 |
if (ret >= 0) { |
3785 |
ret = host_to_target_bitmask(ret, fcntl_flags_tbl); |
3786 |
} |
3787 |
break;
|
3788 |
|
3789 |
case TARGET_F_SETFL:
|
3790 |
ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); |
3791 |
break;
|
3792 |
|
3793 |
case TARGET_F_SETOWN:
|
3794 |
case TARGET_F_GETOWN:
|
3795 |
case TARGET_F_SETSIG:
|
3796 |
case TARGET_F_GETSIG:
|
3797 |
case TARGET_F_SETLEASE:
|
3798 |
case TARGET_F_GETLEASE:
|
3799 |
ret = get_errno(fcntl(fd, host_cmd, arg)); |
3800 |
break;
|
3801 |
|
3802 |
default:
|
3803 |
ret = get_errno(fcntl(fd, cmd, arg)); |
3804 |
break;
|
3805 |
} |
3806 |
return ret;
|
3807 |
} |
3808 |
|
3809 |
#ifdef USE_UID16
|
3810 |
|
3811 |
static inline int high2lowuid(int uid) |
3812 |
{ |
3813 |
if (uid > 65535) |
3814 |
return 65534; |
3815 |
else
|
3816 |
return uid;
|
3817 |
} |
3818 |
|
3819 |
static inline int high2lowgid(int gid) |
3820 |
{ |
3821 |
if (gid > 65535) |
3822 |
return 65534; |
3823 |
else
|
3824 |
return gid;
|
3825 |
} |
3826 |
|
3827 |
static inline int low2highuid(int uid) |
3828 |
{ |
3829 |
if ((int16_t)uid == -1) |
3830 |
return -1; |
3831 |
else
|
3832 |
return uid;
|
3833 |
} |
3834 |
|
3835 |
static inline int low2highgid(int gid) |
3836 |
{ |
3837 |
if ((int16_t)gid == -1) |
3838 |
return -1; |
3839 |
else
|
3840 |
return gid;
|
3841 |
} |
3842 |
|
3843 |
#endif /* USE_UID16 */ |
3844 |
|
3845 |
void syscall_init(void) |
3846 |
{ |
3847 |
IOCTLEntry *ie; |
3848 |
const argtype *arg_type;
|
3849 |
int size;
|
3850 |
int i;
|
3851 |
|
3852 |
#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
3853 |
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
3854 |
#include "syscall_types.h" |
3855 |
#undef STRUCT
|
3856 |
#undef STRUCT_SPECIAL
|
3857 |
|
3858 |
/* we patch the ioctl size if necessary. We rely on the fact that
|
3859 |
no ioctl has all the bits at '1' in the size field */
|
3860 |
ie = ioctl_entries; |
3861 |
while (ie->target_cmd != 0) { |
3862 |
if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
|
3863 |
TARGET_IOC_SIZEMASK) { |
3864 |
arg_type = ie->arg_type; |
3865 |
if (arg_type[0] != TYPE_PTR) { |
3866 |
fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
|
3867 |
ie->target_cmd); |
3868 |
exit(1);
|
3869 |
} |
3870 |
arg_type++; |
3871 |
size = thunk_type_size(arg_type, 0);
|
3872 |
ie->target_cmd = (ie->target_cmd & |
3873 |
~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
3874 |
(size << TARGET_IOC_SIZESHIFT); |
3875 |
} |
3876 |
|
3877 |
/* Build target_to_host_errno_table[] table from
|
3878 |
* host_to_target_errno_table[]. */
|
3879 |
for (i=0; i < ERRNO_TABLE_SIZE; i++) |
3880 |
target_to_host_errno_table[host_to_target_errno_table[i]] = i; |
3881 |
|
3882 |
/* automatic consistency check if same arch */
|
3883 |
#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
|
3884 |
(defined(__x86_64__) && defined(TARGET_X86_64)) |
3885 |
if (unlikely(ie->target_cmd != ie->host_cmd)) {
|
3886 |
fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
|
3887 |
ie->name, ie->target_cmd, ie->host_cmd); |
3888 |
} |
3889 |
#endif
|
3890 |
ie++; |
3891 |
} |
3892 |
} |
3893 |
|
3894 |
#if TARGET_ABI_BITS == 32 |
3895 |
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
3896 |
{ |
3897 |
#ifdef TARGET_WORDS_BIGENDIAN
|
3898 |
return ((uint64_t)word0 << 32) | word1; |
3899 |
#else
|
3900 |
return ((uint64_t)word1 << 32) | word0; |
3901 |
#endif
|
3902 |
} |
3903 |
#else /* TARGET_ABI_BITS == 32 */ |
3904 |
static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
3905 |
{ |
3906 |
return word0;
|
3907 |
} |
3908 |
#endif /* TARGET_ABI_BITS != 32 */ |
3909 |
|
3910 |
#ifdef TARGET_NR_truncate64
|
3911 |
static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
3912 |
abi_long arg2, |
3913 |
abi_long arg3, |
3914 |
abi_long arg4) |
3915 |
{ |
3916 |
#ifdef TARGET_ARM
|
3917 |
if (((CPUARMState *)cpu_env)->eabi)
|
3918 |
{ |
3919 |
arg2 = arg3; |
3920 |
arg3 = arg4; |
3921 |
} |
3922 |
#endif
|
3923 |
return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
|
3924 |
} |
3925 |
#endif
|
3926 |
|
3927 |
#ifdef TARGET_NR_ftruncate64
|
3928 |
static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
3929 |
abi_long arg2, |
3930 |
abi_long arg3, |
3931 |
abi_long arg4) |
3932 |
{ |
3933 |
#ifdef TARGET_ARM
|
3934 |
if (((CPUARMState *)cpu_env)->eabi)
|
3935 |
{ |
3936 |
arg2 = arg3; |
3937 |
arg3 = arg4; |
3938 |
} |
3939 |
#endif
|
3940 |
return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
|
3941 |
} |
3942 |
#endif
|
3943 |
|
3944 |
static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
3945 |
abi_ulong target_addr) |
3946 |
{ |
3947 |
struct target_timespec *target_ts;
|
3948 |
|
3949 |
if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
3950 |
return -TARGET_EFAULT;
|
3951 |
host_ts->tv_sec = tswapl(target_ts->tv_sec); |
3952 |
host_ts->tv_nsec = tswapl(target_ts->tv_nsec); |
3953 |
unlock_user_struct(target_ts, target_addr, 0);
|
3954 |
return 0; |
3955 |
} |
3956 |
|
3957 |
static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
3958 |
struct timespec *host_ts)
|
3959 |
{ |
3960 |
struct target_timespec *target_ts;
|
3961 |
|
3962 |
if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
3963 |
return -TARGET_EFAULT;
|
3964 |
target_ts->tv_sec = tswapl(host_ts->tv_sec); |
3965 |
target_ts->tv_nsec = tswapl(host_ts->tv_nsec); |
3966 |
unlock_user_struct(target_ts, target_addr, 1);
|
3967 |
return 0; |
3968 |
} |
3969 |
|
3970 |
#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
|
3971 |
static inline abi_long host_to_target_stat64(void *cpu_env, |
3972 |
abi_ulong target_addr, |
3973 |
struct stat *host_st)
|
3974 |
{ |
3975 |
#ifdef TARGET_ARM
|
3976 |
if (((CPUARMState *)cpu_env)->eabi) {
|
3977 |
struct target_eabi_stat64 *target_st;
|
3978 |
|
3979 |
if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) |
3980 |
return -TARGET_EFAULT;
|
3981 |
memset(target_st, 0, sizeof(struct target_eabi_stat64)); |
3982 |
__put_user(host_st->st_dev, &target_st->st_dev); |
3983 |
__put_user(host_st->st_ino, &target_st->st_ino); |
3984 |
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
3985 |
__put_user(host_st->st_ino, &target_st->__st_ino); |
3986 |
#endif
|
3987 |
__put_user(host_st->st_mode, &target_st->st_mode); |
3988 |
__put_user(host_st->st_nlink, &target_st->st_nlink); |
3989 |
__put_user(host_st->st_uid, &target_st->st_uid); |
3990 |
__put_user(host_st->st_gid, &target_st->st_gid); |
3991 |
__put_user(host_st->st_rdev, &target_st->st_rdev); |
3992 |
__put_user(host_st->st_size, &target_st->st_size); |
3993 |
__put_user(host_st->st_blksize, &target_st->st_blksize); |
3994 |
__put_user(host_st->st_blocks, &target_st->st_blocks); |
3995 |
__put_user(host_st->st_atime, &target_st->target_st_atime); |
3996 |
__put_user(host_st->st_mtime, &target_st->target_st_mtime); |
3997 |
__put_user(host_st->st_ctime, &target_st->target_st_ctime); |
3998 |
unlock_user_struct(target_st, target_addr, 1);
|
3999 |
} else
|
4000 |
#endif
|
4001 |
{ |
4002 |
#if TARGET_LONG_BITS == 64 |
4003 |
struct target_stat *target_st;
|
4004 |
#else
|
4005 |
struct target_stat64 *target_st;
|
4006 |
#endif
|
4007 |
|
4008 |
if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) |
4009 |
return -TARGET_EFAULT;
|
4010 |
memset(target_st, 0, sizeof(*target_st)); |
4011 |
__put_user(host_st->st_dev, &target_st->st_dev); |
4012 |
__put_user(host_st->st_ino, &target_st->st_ino); |
4013 |
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
4014 |
__put_user(host_st->st_ino, &target_st->__st_ino); |
4015 |
#endif
|
4016 |
__put_user(host_st->st_mode, &target_st->st_mode); |
4017 |
__put_user(host_st->st_nlink, &target_st->st_nlink); |
4018 |
__put_user(host_st->st_uid, &target_st->st_uid); |
4019 |
__put_user(host_st->st_gid, &target_st->st_gid); |
4020 |
__put_user(host_st->st_rdev, &target_st->st_rdev); |
4021 |
/* XXX: better use of kernel struct */
|
4022 |
__put_user(host_st->st_size, &target_st->st_size); |
4023 |
__put_user(host_st->st_blksize, &target_st->st_blksize); |
4024 |
__put_user(host_st->st_blocks, &target_st->st_blocks); |
4025 |
__put_user(host_st->st_atime, &target_st->target_st_atime); |
4026 |
__put_user(host_st->st_mtime, &target_st->target_st_mtime); |
4027 |
__put_user(host_st->st_ctime, &target_st->target_st_ctime); |
4028 |
unlock_user_struct(target_st, target_addr, 1);
|
4029 |
} |
4030 |
|
4031 |
return 0; |
4032 |
} |
4033 |
#endif
|
4034 |
|
4035 |
#if defined(CONFIG_USE_NPTL)
|
4036 |
/* ??? Using host futex calls even when target atomic operations
|
4037 |
are not really atomic probably breaks things. However implementing
|
4038 |
futexes locally would make futexes shared between multiple processes
|
4039 |
tricky. However they're probably useless because guest atomic
|
4040 |
operations won't work either. */
|
4041 |
static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
4042 |
target_ulong uaddr2, int val3)
|
4043 |
{ |
4044 |
struct timespec ts, *pts;
|
4045 |
int base_op;
|
4046 |
|
4047 |
/* ??? We assume FUTEX_* constants are the same on both host
|
4048 |
and target. */
|
4049 |
#ifdef FUTEX_CMD_MASK
|
4050 |
base_op = op & FUTEX_CMD_MASK; |
4051 |
#else
|
4052 |
base_op = op; |
4053 |
#endif
|
4054 |
switch (base_op) {
|
4055 |
case FUTEX_WAIT:
|
4056 |
if (timeout) {
|
4057 |
pts = &ts; |
4058 |
target_to_host_timespec(pts, timeout); |
4059 |
} else {
|
4060 |
pts = NULL;
|
4061 |
} |
4062 |
return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
|
4063 |
pts, NULL, 0)); |
4064 |
case FUTEX_WAKE:
|
4065 |
return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
4066 |
case FUTEX_FD:
|
4067 |
return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
4068 |
case FUTEX_REQUEUE:
|
4069 |
case FUTEX_CMP_REQUEUE:
|
4070 |
case FUTEX_WAKE_OP:
|
4071 |
/* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
|
4072 |
TIMEOUT parameter is interpreted as a uint32_t by the kernel.
|
4073 |
But the prototype takes a `struct timespec *'; insert casts
|
4074 |
to satisfy the compiler. We do not need to tswap TIMEOUT
|
4075 |
since it's not compared to guest memory. */
|
4076 |
pts = (struct timespec *)(uintptr_t) timeout;
|
4077 |
return get_errno(sys_futex(g2h(uaddr), op, val, pts,
|
4078 |
g2h(uaddr2), |
4079 |
(base_op == FUTEX_CMP_REQUEUE |
4080 |
? tswap32(val3) |
4081 |
: val3))); |
4082 |
default:
|
4083 |
return -TARGET_ENOSYS;
|
4084 |
} |
4085 |
} |
4086 |
#endif
|
4087 |
|
4088 |
/* Map host to target signal numbers for the wait family of syscalls.
|
4089 |
Assume all other status bits are the same. */
|
4090 |
static int host_to_target_waitstatus(int status) |
4091 |
{ |
4092 |
if (WIFSIGNALED(status)) {
|
4093 |
return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); |
4094 |
} |
4095 |
if (WIFSTOPPED(status)) {
|
4096 |
return (host_to_target_signal(WSTOPSIG(status)) << 8) |
4097 |
| (status & 0xff);
|
4098 |
} |
4099 |
return status;
|
4100 |
} |
4101 |
|
4102 |
int get_osversion(void) |
4103 |
{ |
4104 |
static int osversion; |
4105 |
struct new_utsname buf;
|
4106 |
const char *s; |
4107 |
int i, n, tmp;
|
4108 |
if (osversion)
|
4109 |
return osversion;
|
4110 |
if (qemu_uname_release && *qemu_uname_release) {
|
4111 |
s = qemu_uname_release; |
4112 |
} else {
|
4113 |
if (sys_uname(&buf))
|
4114 |
return 0; |
4115 |
s = buf.release; |
4116 |
} |
4117 |
tmp = 0;
|
4118 |
for (i = 0; i < 3; i++) { |
4119 |
n = 0;
|
4120 |
while (*s >= '0' && *s <= '9') { |
4121 |
n *= 10;
|
4122 |
n += *s - '0';
|
4123 |
s++; |
4124 |
} |
4125 |
tmp = (tmp << 8) + n;
|
4126 |
if (*s == '.') |
4127 |
s++; |
4128 |
} |
4129 |
osversion = tmp; |
4130 |
return osversion;
|
4131 |
} |
4132 |
|
4133 |
/* do_syscall() should always have a single exit point at the end so
|
4134 |
that actions, such as logging of syscall results, can be performed.
|
4135 |
All errnos that do_syscall() returns must be -TARGET_<errcode>. */
|
4136 |
abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
4137 |
abi_long arg2, abi_long arg3, abi_long arg4, |
4138 |
abi_long arg5, abi_long arg6) |
4139 |
{ |
4140 |
abi_long ret; |
4141 |
struct stat st;
|
4142 |
struct statfs stfs;
|
4143 |
void *p;
|
4144 |
|
4145 |
#ifdef DEBUG
|
4146 |
gemu_log("syscall %d", num);
|
4147 |
#endif
|
4148 |
if(do_strace)
|
4149 |
print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); |
4150 |
|
4151 |
switch(num) {
|
4152 |
case TARGET_NR_exit:
|
4153 |
#ifdef CONFIG_USE_NPTL
|
4154 |
/* In old applications this may be used to implement _exit(2).
|
4155 |
However in threaded applictions it is used for thread termination,
|
4156 |
and _exit_group is used for application termination.
|
4157 |
Do thread termination if we have more then one thread. */
|
4158 |
/* FIXME: This probably breaks if a signal arrives. We should probably
|
4159 |
be disabling signals. */
|
4160 |
if (first_cpu->next_cpu) {
|
4161 |
TaskState *ts; |
4162 |
CPUState **lastp; |
4163 |
CPUState *p; |
4164 |
|
4165 |
cpu_list_lock(); |
4166 |
lastp = &first_cpu; |
4167 |
p = first_cpu; |
4168 |
while (p && p != (CPUState *)cpu_env) {
|
4169 |
lastp = &p->next_cpu; |
4170 |
p = p->next_cpu; |
4171 |
} |
4172 |
/* If we didn't find the CPU for this thread then something is
|
4173 |
horribly wrong. */
|
4174 |
if (!p)
|
4175 |
abort(); |
4176 |
/* Remove the CPU from the list. */
|
4177 |
*lastp = p->next_cpu; |
4178 |
cpu_list_unlock(); |
4179 |
ts = ((CPUState *)cpu_env)->opaque; |
4180 |
if (ts->child_tidptr) {
|
4181 |
put_user_u32(0, ts->child_tidptr);
|
4182 |
sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, |
4183 |
NULL, NULL, 0); |
4184 |
} |
4185 |
/* TODO: Free CPU state. */
|
4186 |
pthread_exit(NULL);
|
4187 |
} |
4188 |
#endif
|
4189 |
#ifdef TARGET_GPROF
|
4190 |
_mcleanup(); |
4191 |
#endif
|
4192 |
gdb_exit(cpu_env, arg1); |
4193 |
_exit(arg1); |
4194 |
ret = 0; /* avoid warning */ |
4195 |
break;
|
4196 |
case TARGET_NR_read:
|
4197 |
if (arg3 == 0) |
4198 |
ret = 0;
|
4199 |
else {
|
4200 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
4201 |
goto efault;
|
4202 |
ret = get_errno(read(arg1, p, arg3)); |
4203 |
unlock_user(p, arg2, ret); |
4204 |
} |
4205 |
break;
|
4206 |
case TARGET_NR_write:
|
4207 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
4208 |
goto efault;
|
4209 |
ret = get_errno(write(arg1, p, arg3)); |
4210 |
unlock_user(p, arg2, 0);
|
4211 |
break;
|
4212 |
case TARGET_NR_open:
|
4213 |
if (!(p = lock_user_string(arg1)))
|
4214 |
goto efault;
|
4215 |
ret = get_errno(open(path(p), |
4216 |
target_to_host_bitmask(arg2, fcntl_flags_tbl), |
4217 |
arg3)); |
4218 |
unlock_user(p, arg1, 0);
|
4219 |
break;
|
4220 |
#if defined(TARGET_NR_openat) && defined(__NR_openat)
|
4221 |
case TARGET_NR_openat:
|
4222 |
if (!(p = lock_user_string(arg2)))
|
4223 |
goto efault;
|
4224 |
ret = get_errno(sys_openat(arg1, |
4225 |
path(p), |
4226 |
target_to_host_bitmask(arg3, fcntl_flags_tbl), |
4227 |
arg4)); |
4228 |
unlock_user(p, arg2, 0);
|
4229 |
break;
|
4230 |
#endif
|
4231 |
case TARGET_NR_close:
|
4232 |
ret = get_errno(close(arg1)); |
4233 |
break;
|
4234 |
case TARGET_NR_brk:
|
4235 |
ret = do_brk(arg1); |
4236 |
break;
|
4237 |
case TARGET_NR_fork:
|
4238 |
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0)); |
4239 |
break;
|
4240 |
#ifdef TARGET_NR_waitpid
|
4241 |
case TARGET_NR_waitpid:
|
4242 |
{ |
4243 |
int status;
|
4244 |
ret = get_errno(waitpid(arg1, &status, arg3)); |
4245 |
if (!is_error(ret) && arg2
|
4246 |
&& put_user_s32(host_to_target_waitstatus(status), arg2)) |
4247 |
goto efault;
|
4248 |
} |
4249 |
break;
|
4250 |
#endif
|
4251 |
#ifdef TARGET_NR_waitid
|
4252 |
case TARGET_NR_waitid:
|
4253 |
{ |
4254 |
siginfo_t info; |
4255 |
info.si_pid = 0;
|
4256 |
ret = get_errno(waitid(arg1, arg2, &info, arg4)); |
4257 |
if (!is_error(ret) && arg3 && info.si_pid != 0) { |
4258 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
4259 |
goto efault;
|
4260 |
host_to_target_siginfo(p, &info); |
4261 |
unlock_user(p, arg3, sizeof(target_siginfo_t));
|
4262 |
} |
4263 |
} |
4264 |
break;
|
4265 |
#endif
|
4266 |
#ifdef TARGET_NR_creat /* not on alpha */ |
4267 |
case TARGET_NR_creat:
|
4268 |
if (!(p = lock_user_string(arg1)))
|
4269 |
goto efault;
|
4270 |
ret = get_errno(creat(p, arg2)); |
4271 |
unlock_user(p, arg1, 0);
|
4272 |
break;
|
4273 |
#endif
|
4274 |
case TARGET_NR_link:
|
4275 |
{ |
4276 |
void * p2;
|
4277 |
p = lock_user_string(arg1); |
4278 |
p2 = lock_user_string(arg2); |
4279 |
if (!p || !p2)
|
4280 |
ret = -TARGET_EFAULT; |
4281 |
else
|
4282 |
ret = get_errno(link(p, p2)); |
4283 |
unlock_user(p2, arg2, 0);
|
4284 |
unlock_user(p, arg1, 0);
|
4285 |
} |
4286 |
break;
|
4287 |
#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
|
4288 |
case TARGET_NR_linkat:
|
4289 |
{ |
4290 |
void * p2 = NULL; |
4291 |
if (!arg2 || !arg4)
|
4292 |
goto efault;
|
4293 |
p = lock_user_string(arg2); |
4294 |
p2 = lock_user_string(arg4); |
4295 |
if (!p || !p2)
|
4296 |
ret = -TARGET_EFAULT; |
4297 |
else
|
4298 |
ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); |
4299 |
unlock_user(p, arg2, 0);
|
4300 |
unlock_user(p2, arg4, 0);
|
4301 |
} |
4302 |
break;
|
4303 |
#endif
|
4304 |
case TARGET_NR_unlink:
|
4305 |
if (!(p = lock_user_string(arg1)))
|
4306 |
goto efault;
|
4307 |
ret = get_errno(unlink(p)); |
4308 |
unlock_user(p, arg1, 0);
|
4309 |
break;
|
4310 |
#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
|
4311 |
case TARGET_NR_unlinkat:
|
4312 |
if (!(p = lock_user_string(arg2)))
|
4313 |
goto efault;
|
4314 |
ret = get_errno(sys_unlinkat(arg1, p, arg3)); |
4315 |
unlock_user(p, arg2, 0);
|
4316 |
break;
|
4317 |
#endif
|
4318 |
case TARGET_NR_execve:
|
4319 |
{ |
4320 |
char **argp, **envp;
|
4321 |
int argc, envc;
|
4322 |
abi_ulong gp; |
4323 |
abi_ulong guest_argp; |
4324 |
abi_ulong guest_envp; |
4325 |
abi_ulong addr; |
4326 |
char **q;
|
4327 |
|
4328 |
argc = 0;
|
4329 |
guest_argp = arg2; |
4330 |
for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
4331 |
if (get_user_ual(addr, gp))
|
4332 |
goto efault;
|
4333 |
if (!addr)
|
4334 |
break;
|
4335 |
argc++; |
4336 |
} |
4337 |
envc = 0;
|
4338 |
guest_envp = arg3; |
4339 |
for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
4340 |
if (get_user_ual(addr, gp))
|
4341 |
goto efault;
|
4342 |
if (!addr)
|
4343 |
break;
|
4344 |
envc++; |
4345 |
} |
4346 |
|
4347 |
argp = alloca((argc + 1) * sizeof(void *)); |
4348 |
envp = alloca((envc + 1) * sizeof(void *)); |
4349 |
|
4350 |
for (gp = guest_argp, q = argp; gp;
|
4351 |
gp += sizeof(abi_ulong), q++) {
|
4352 |
if (get_user_ual(addr, gp))
|
4353 |
goto execve_efault;
|
4354 |
if (!addr)
|
4355 |
break;
|
4356 |
if (!(*q = lock_user_string(addr)))
|
4357 |
goto execve_efault;
|
4358 |
} |
4359 |
*q = NULL;
|
4360 |
|
4361 |
for (gp = guest_envp, q = envp; gp;
|
4362 |
gp += sizeof(abi_ulong), q++) {
|
4363 |
if (get_user_ual(addr, gp))
|
4364 |
goto execve_efault;
|
4365 |
if (!addr)
|
4366 |
break;
|
4367 |
if (!(*q = lock_user_string(addr)))
|
4368 |
goto execve_efault;
|
4369 |
} |
4370 |
*q = NULL;
|
4371 |
|
4372 |
if (!(p = lock_user_string(arg1)))
|
4373 |
goto execve_efault;
|
4374 |
ret = get_errno(execve(p, argp, envp)); |
4375 |
unlock_user(p, arg1, 0);
|
4376 |
|
4377 |
goto execve_end;
|
4378 |
|
4379 |
execve_efault:
|
4380 |
ret = -TARGET_EFAULT; |
4381 |
|
4382 |
execve_end:
|
4383 |
for (gp = guest_argp, q = argp; *q;
|
4384 |
gp += sizeof(abi_ulong), q++) {
|
4385 |
if (get_user_ual(addr, gp)
|
4386 |
|| !addr) |
4387 |
break;
|
4388 |
unlock_user(*q, addr, 0);
|
4389 |
} |
4390 |
for (gp = guest_envp, q = envp; *q;
|
4391 |
gp += sizeof(abi_ulong), q++) {
|
4392 |
if (get_user_ual(addr, gp)
|
4393 |
|| !addr) |
4394 |
break;
|
4395 |
unlock_user(*q, addr, 0);
|
4396 |
} |
4397 |
} |
4398 |
break;
|
4399 |
case TARGET_NR_chdir:
|
4400 |
if (!(p = lock_user_string(arg1)))
|
4401 |
goto efault;
|
4402 |
ret = get_errno(chdir(p)); |
4403 |
unlock_user(p, arg1, 0);
|
4404 |
break;
|
4405 |
#ifdef TARGET_NR_time
|
4406 |
case TARGET_NR_time:
|
4407 |
{ |
4408 |
time_t host_time; |
4409 |
ret = get_errno(time(&host_time)); |
4410 |
if (!is_error(ret)
|
4411 |
&& arg1 |
4412 |
&& put_user_sal(host_time, arg1)) |
4413 |
goto efault;
|
4414 |
} |
4415 |
break;
|
4416 |
#endif
|
4417 |
case TARGET_NR_mknod:
|
4418 |
if (!(p = lock_user_string(arg1)))
|
4419 |
goto efault;
|
4420 |
ret = get_errno(mknod(p, arg2, arg3)); |
4421 |
unlock_user(p, arg1, 0);
|
4422 |
break;
|
4423 |
#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
|
4424 |
case TARGET_NR_mknodat:
|
4425 |
if (!(p = lock_user_string(arg2)))
|
4426 |
goto efault;
|
4427 |
ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); |
4428 |
unlock_user(p, arg2, 0);
|
4429 |
break;
|
4430 |
#endif
|
4431 |
case TARGET_NR_chmod:
|
4432 |
if (!(p = lock_user_string(arg1)))
|
4433 |
goto efault;
|
4434 |
ret = get_errno(chmod(p, arg2)); |
4435 |
unlock_user(p, arg1, 0);
|
4436 |
break;
|
4437 |
#ifdef TARGET_NR_break
|
4438 |
case TARGET_NR_break:
|
4439 |
goto unimplemented;
|
4440 |
#endif
|
4441 |
#ifdef TARGET_NR_oldstat
|
4442 |
case TARGET_NR_oldstat:
|
4443 |
goto unimplemented;
|
4444 |
#endif
|
4445 |
case TARGET_NR_lseek:
|
4446 |
ret = get_errno(lseek(arg1, arg2, arg3)); |
4447 |
break;
|
4448 |
#ifdef TARGET_NR_getxpid
|
4449 |
case TARGET_NR_getxpid:
|
4450 |
#else
|
4451 |
case TARGET_NR_getpid:
|
4452 |
#endif
|
4453 |
ret = get_errno(getpid()); |
4454 |
break;
|
4455 |
case TARGET_NR_mount:
|
4456 |
{ |
4457 |
/* need to look at the data field */
|
4458 |
void *p2, *p3;
|
4459 |
p = lock_user_string(arg1); |
4460 |
p2 = lock_user_string(arg2); |
4461 |
p3 = lock_user_string(arg3); |
4462 |
if (!p || !p2 || !p3)
|
4463 |
ret = -TARGET_EFAULT; |
4464 |
else
|
4465 |
/* FIXME - arg5 should be locked, but it isn't clear how to
|
4466 |
* do that since it's not guaranteed to be a NULL-terminated
|
4467 |
* string.
|
4468 |
*/
|
4469 |
ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5))); |
4470 |
unlock_user(p, arg1, 0);
|
4471 |
unlock_user(p2, arg2, 0);
|
4472 |
unlock_user(p3, arg3, 0);
|
4473 |
break;
|
4474 |
} |
4475 |
#ifdef TARGET_NR_umount
|
4476 |
case TARGET_NR_umount:
|
4477 |
if (!(p = lock_user_string(arg1)))
|
4478 |
goto efault;
|
4479 |
ret = get_errno(umount(p)); |
4480 |
unlock_user(p, arg1, 0);
|
4481 |
break;
|
4482 |
#endif
|
4483 |
#ifdef TARGET_NR_stime /* not on alpha */ |
4484 |
case TARGET_NR_stime:
|
4485 |
{ |
4486 |
time_t host_time; |
4487 |
if (get_user_sal(host_time, arg1))
|
4488 |
goto efault;
|
4489 |
ret = get_errno(stime(&host_time)); |
4490 |
} |
4491 |
break;
|
4492 |
#endif
|
4493 |
case TARGET_NR_ptrace:
|
4494 |
goto unimplemented;
|
4495 |
#ifdef TARGET_NR_alarm /* not on alpha */ |
4496 |
case TARGET_NR_alarm:
|
4497 |
ret = alarm(arg1); |
4498 |
break;
|
4499 |
#endif
|
4500 |
#ifdef TARGET_NR_oldfstat
|
4501 |
case TARGET_NR_oldfstat:
|
4502 |
goto unimplemented;
|
4503 |
#endif
|
4504 |
#ifdef TARGET_NR_pause /* not on alpha */ |
4505 |
case TARGET_NR_pause:
|
4506 |
ret = get_errno(pause()); |
4507 |
break;
|
4508 |
#endif
|
4509 |
#ifdef TARGET_NR_utime
|
4510 |
case TARGET_NR_utime:
|
4511 |
{ |
4512 |
struct utimbuf tbuf, *host_tbuf;
|
4513 |
struct target_utimbuf *target_tbuf;
|
4514 |
if (arg2) {
|
4515 |
if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
4516 |
goto efault;
|
4517 |
tbuf.actime = tswapl(target_tbuf->actime); |
4518 |
tbuf.modtime = tswapl(target_tbuf->modtime); |
4519 |
unlock_user_struct(target_tbuf, arg2, 0);
|
4520 |
host_tbuf = &tbuf; |
4521 |
} else {
|
4522 |
host_tbuf = NULL;
|
4523 |
} |
4524 |
if (!(p = lock_user_string(arg1)))
|
4525 |
goto efault;
|
4526 |
ret = get_errno(utime(p, host_tbuf)); |
4527 |
unlock_user(p, arg1, 0);
|
4528 |
} |
4529 |
break;
|
4530 |
#endif
|
4531 |
case TARGET_NR_utimes:
|
4532 |
{ |
4533 |
struct timeval *tvp, tv[2]; |
4534 |
if (arg2) {
|
4535 |
if (copy_from_user_timeval(&tv[0], arg2) |
4536 |
|| copy_from_user_timeval(&tv[1],
|
4537 |
arg2 + sizeof(struct target_timeval))) |
4538 |
goto efault;
|
4539 |
tvp = tv; |
4540 |
} else {
|
4541 |
tvp = NULL;
|
4542 |
} |
4543 |
if (!(p = lock_user_string(arg1)))
|
4544 |
goto efault;
|
4545 |
ret = get_errno(utimes(p, tvp)); |
4546 |
unlock_user(p, arg1, 0);
|
4547 |
} |
4548 |
break;
|
4549 |
#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
|
4550 |
case TARGET_NR_futimesat:
|
4551 |
{ |
4552 |
struct timeval *tvp, tv[2]; |
4553 |
if (arg3) {
|
4554 |
if (copy_from_user_timeval(&tv[0], arg3) |
4555 |
|| copy_from_user_timeval(&tv[1],
|
4556 |
arg3 + sizeof(struct target_timeval))) |
4557 |
goto efault;
|
4558 |
tvp = tv; |
4559 |
} else {
|
4560 |
tvp = NULL;
|
4561 |
} |
4562 |
if (!(p = lock_user_string(arg2)))
|
4563 |
goto efault;
|
4564 |
ret = get_errno(sys_futimesat(arg1, path(p), tvp)); |
4565 |
unlock_user(p, arg2, 0);
|
4566 |
} |
4567 |
break;
|
4568 |
#endif
|
4569 |
#ifdef TARGET_NR_stty
|
4570 |
case TARGET_NR_stty:
|
4571 |
goto unimplemented;
|
4572 |
#endif
|
4573 |
#ifdef TARGET_NR_gtty
|
4574 |
case TARGET_NR_gtty:
|
4575 |
goto unimplemented;
|
4576 |
#endif
|
4577 |
case TARGET_NR_access:
|
4578 |
if (!(p = lock_user_string(arg1)))
|
4579 |
goto efault;
|
4580 |
ret = get_errno(access(path(p), arg2)); |
4581 |
unlock_user(p, arg1, 0);
|
4582 |
break;
|
4583 |
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
|
4584 |
case TARGET_NR_faccessat:
|
4585 |
if (!(p = lock_user_string(arg2)))
|
4586 |
goto efault;
|
4587 |
ret = get_errno(sys_faccessat(arg1, p, arg3)); |
4588 |
unlock_user(p, arg2, 0);
|
4589 |
break;
|
4590 |
#endif
|
4591 |
#ifdef TARGET_NR_nice /* not on alpha */ |
4592 |
case TARGET_NR_nice:
|
4593 |
ret = get_errno(nice(arg1)); |
4594 |
break;
|
4595 |
#endif
|
4596 |
#ifdef TARGET_NR_ftime
|
4597 |
case TARGET_NR_ftime:
|
4598 |
goto unimplemented;
|
4599 |
#endif
|
4600 |
case TARGET_NR_sync:
|
4601 |
sync(); |
4602 |
ret = 0;
|
4603 |
break;
|
4604 |
case TARGET_NR_kill:
|
4605 |
ret = get_errno(kill(arg1, target_to_host_signal(arg2))); |
4606 |
break;
|
4607 |
case TARGET_NR_rename:
|
4608 |
{ |
4609 |
void *p2;
|
4610 |
p = lock_user_string(arg1); |
4611 |
p2 = lock_user_string(arg2); |
4612 |
if (!p || !p2)
|
4613 |
ret = -TARGET_EFAULT; |
4614 |
else
|
4615 |
ret = get_errno(rename(p, p2)); |
4616 |
unlock_user(p2, arg2, 0);
|
4617 |
unlock_user(p, arg1, 0);
|
4618 |
} |
4619 |
break;
|
4620 |
#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
|
4621 |
case TARGET_NR_renameat:
|
4622 |
{ |
4623 |
void *p2;
|
4624 |
p = lock_user_string(arg2); |
4625 |
p2 = lock_user_string(arg4); |
4626 |
if (!p || !p2)
|
4627 |
ret = -TARGET_EFAULT; |
4628 |
else
|
4629 |
ret = get_errno(sys_renameat(arg1, p, arg3, p2)); |
4630 |
unlock_user(p2, arg4, 0);
|
4631 |
unlock_user(p, arg2, 0);
|
4632 |
} |
4633 |
break;
|
4634 |
#endif
|
4635 |
case TARGET_NR_mkdir:
|
4636 |
if (!(p = lock_user_string(arg1)))
|
4637 |
goto efault;
|
4638 |
ret = get_errno(mkdir(p, arg2)); |
4639 |
unlock_user(p, arg1, 0);
|
4640 |
break;
|
4641 |
#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
|
4642 |
case TARGET_NR_mkdirat:
|
4643 |
if (!(p = lock_user_string(arg2)))
|
4644 |
goto efault;
|
4645 |
ret = get_errno(sys_mkdirat(arg1, p, arg3)); |
4646 |
unlock_user(p, arg2, 0);
|
4647 |
break;
|
4648 |
#endif
|
4649 |
case TARGET_NR_rmdir:
|
4650 |
if (!(p = lock_user_string(arg1)))
|
4651 |
goto efault;
|
4652 |
ret = get_errno(rmdir(p)); |
4653 |
unlock_user(p, arg1, 0);
|
4654 |
break;
|
4655 |
case TARGET_NR_dup:
|
4656 |
ret = get_errno(dup(arg1)); |
4657 |
break;
|
4658 |
case TARGET_NR_pipe:
|
4659 |
ret = do_pipe(cpu_env, arg1, 0);
|
4660 |
break;
|
4661 |
#ifdef TARGET_NR_pipe2
|
4662 |
case TARGET_NR_pipe2:
|
4663 |
ret = do_pipe(cpu_env, arg1, arg2); |
4664 |
break;
|
4665 |
#endif
|
4666 |
case TARGET_NR_times:
|
4667 |
{ |
4668 |
struct target_tms *tmsp;
|
4669 |
struct tms tms;
|
4670 |
ret = get_errno(times(&tms)); |
4671 |
if (arg1) {
|
4672 |
tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
4673 |
if (!tmsp)
|
4674 |
goto efault;
|
4675 |
tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); |
4676 |
tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); |
4677 |
tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); |
4678 |
tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); |
4679 |
} |
4680 |
if (!is_error(ret))
|
4681 |
ret = host_to_target_clock_t(ret); |
4682 |
} |
4683 |
break;
|
4684 |
#ifdef TARGET_NR_prof
|
4685 |
case TARGET_NR_prof:
|
4686 |
goto unimplemented;
|
4687 |
#endif
|
4688 |
#ifdef TARGET_NR_signal
|
4689 |
case TARGET_NR_signal:
|
4690 |
goto unimplemented;
|
4691 |
#endif
|
4692 |
case TARGET_NR_acct:
|
4693 |
if (arg1 == 0) { |
4694 |
ret = get_errno(acct(NULL));
|
4695 |
} else {
|
4696 |
if (!(p = lock_user_string(arg1)))
|
4697 |
goto efault;
|
4698 |
ret = get_errno(acct(path(p))); |
4699 |
unlock_user(p, arg1, 0);
|
4700 |
} |
4701 |
break;
|
4702 |
#ifdef TARGET_NR_umount2 /* not on alpha */ |
4703 |
case TARGET_NR_umount2:
|
4704 |
if (!(p = lock_user_string(arg1)))
|
4705 |
goto efault;
|
4706 |
ret = get_errno(umount2(p, arg2)); |
4707 |
unlock_user(p, arg1, 0);
|
4708 |
break;
|
4709 |
#endif
|
4710 |
#ifdef TARGET_NR_lock
|
4711 |
case TARGET_NR_lock:
|
4712 |
goto unimplemented;
|
4713 |
#endif
|
4714 |
case TARGET_NR_ioctl:
|
4715 |
ret = do_ioctl(arg1, arg2, arg3); |
4716 |
break;
|
4717 |
case TARGET_NR_fcntl:
|
4718 |
ret = do_fcntl(arg1, arg2, arg3); |
4719 |
break;
|
4720 |
#ifdef TARGET_NR_mpx
|
4721 |
case TARGET_NR_mpx:
|
4722 |
goto unimplemented;
|
4723 |
#endif
|
4724 |
case TARGET_NR_setpgid:
|
4725 |
ret = get_errno(setpgid(arg1, arg2)); |
4726 |
break;
|
4727 |
#ifdef TARGET_NR_ulimit
|
4728 |
case TARGET_NR_ulimit:
|
4729 |
goto unimplemented;
|
4730 |
#endif
|
4731 |
#ifdef TARGET_NR_oldolduname
|
4732 |
case TARGET_NR_oldolduname:
|
4733 |
goto unimplemented;
|
4734 |
#endif
|
4735 |
case TARGET_NR_umask:
|
4736 |
ret = get_errno(umask(arg1)); |
4737 |
break;
|
4738 |
case TARGET_NR_chroot:
|
4739 |
if (!(p = lock_user_string(arg1)))
|
4740 |
goto efault;
|
4741 |
ret = get_errno(chroot(p)); |
4742 |
unlock_user(p, arg1, 0);
|
4743 |
break;
|
4744 |
case TARGET_NR_ustat:
|
4745 |
goto unimplemented;
|
4746 |
case TARGET_NR_dup2:
|
4747 |
ret = get_errno(dup2(arg1, arg2)); |
4748 |
break;
|
4749 |
#ifdef TARGET_NR_getppid /* not on alpha */ |
4750 |
case TARGET_NR_getppid:
|
4751 |
ret = get_errno(getppid()); |
4752 |
break;
|
4753 |
#endif
|
4754 |
case TARGET_NR_getpgrp:
|
4755 |
ret = get_errno(getpgrp()); |
4756 |
break;
|
4757 |
case TARGET_NR_setsid:
|
4758 |
ret = get_errno(setsid()); |
4759 |
break;
|
4760 |
#ifdef TARGET_NR_sigaction
|
4761 |
case TARGET_NR_sigaction:
|
4762 |
{ |
4763 |
#if !defined(TARGET_MIPS)
|
4764 |
struct target_old_sigaction *old_act;
|
4765 |
struct target_sigaction act, oact, *pact;
|
4766 |
if (arg2) {
|
4767 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
4768 |
goto efault;
|
4769 |
act._sa_handler = old_act->_sa_handler; |
4770 |
target_siginitset(&act.sa_mask, old_act->sa_mask); |
4771 |
act.sa_flags = old_act->sa_flags; |
4772 |
act.sa_restorer = old_act->sa_restorer; |
4773 |
unlock_user_struct(old_act, arg2, 0);
|
4774 |
pact = &act; |
4775 |
} else {
|
4776 |
pact = NULL;
|
4777 |
} |
4778 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
4779 |
if (!is_error(ret) && arg3) {
|
4780 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
4781 |
goto efault;
|
4782 |
old_act->_sa_handler = oact._sa_handler; |
4783 |
old_act->sa_mask = oact.sa_mask.sig[0];
|
4784 |
old_act->sa_flags = oact.sa_flags; |
4785 |
old_act->sa_restorer = oact.sa_restorer; |
4786 |
unlock_user_struct(old_act, arg3, 1);
|
4787 |
} |
4788 |
#else
|
4789 |
struct target_sigaction act, oact, *pact, *old_act;
|
4790 |
|
4791 |
if (arg2) {
|
4792 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
4793 |
goto efault;
|
4794 |
act._sa_handler = old_act->_sa_handler; |
4795 |
target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
|
4796 |
act.sa_flags = old_act->sa_flags; |
4797 |
unlock_user_struct(old_act, arg2, 0);
|
4798 |
pact = &act; |
4799 |
} else {
|
4800 |
pact = NULL;
|
4801 |
} |
4802 |
|
4803 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
4804 |
|
4805 |
if (!is_error(ret) && arg3) {
|
4806 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
4807 |
goto efault;
|
4808 |
old_act->_sa_handler = oact._sa_handler; |
4809 |
old_act->sa_flags = oact.sa_flags; |
4810 |
old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; |
4811 |
old_act->sa_mask.sig[1] = 0; |
4812 |
old_act->sa_mask.sig[2] = 0; |
4813 |
old_act->sa_mask.sig[3] = 0; |
4814 |
unlock_user_struct(old_act, arg3, 1);
|
4815 |
} |
4816 |
#endif
|
4817 |
} |
4818 |
break;
|
4819 |
#endif
|
4820 |
case TARGET_NR_rt_sigaction:
|
4821 |
{ |
4822 |
struct target_sigaction *act;
|
4823 |
struct target_sigaction *oact;
|
4824 |
|
4825 |
if (arg2) {
|
4826 |
if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) |
4827 |
goto efault;
|
4828 |
} else
|
4829 |
act = NULL;
|
4830 |
if (arg3) {
|
4831 |
if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { |
4832 |
ret = -TARGET_EFAULT; |
4833 |
goto rt_sigaction_fail;
|
4834 |
} |
4835 |
} else
|
4836 |
oact = NULL;
|
4837 |
ret = get_errno(do_sigaction(arg1, act, oact)); |
4838 |
rt_sigaction_fail:
|
4839 |
if (act)
|
4840 |
unlock_user_struct(act, arg2, 0);
|
4841 |
if (oact)
|
4842 |
unlock_user_struct(oact, arg3, 1);
|
4843 |
} |
4844 |
break;
|
4845 |
#ifdef TARGET_NR_sgetmask /* not on alpha */ |
4846 |
case TARGET_NR_sgetmask:
|
4847 |
{ |
4848 |
sigset_t cur_set; |
4849 |
abi_ulong target_set; |
4850 |
sigprocmask(0, NULL, &cur_set); |
4851 |
host_to_target_old_sigset(&target_set, &cur_set); |
4852 |
ret = target_set; |
4853 |
} |
4854 |
break;
|
4855 |
#endif
|
4856 |
#ifdef TARGET_NR_ssetmask /* not on alpha */ |
4857 |
case TARGET_NR_ssetmask:
|
4858 |
{ |
4859 |
sigset_t set, oset, cur_set; |
4860 |
abi_ulong target_set = arg1; |
4861 |
sigprocmask(0, NULL, &cur_set); |
4862 |
target_to_host_old_sigset(&set, &target_set); |
4863 |
sigorset(&set, &set, &cur_set); |
4864 |
sigprocmask(SIG_SETMASK, &set, &oset); |
4865 |
host_to_target_old_sigset(&target_set, &oset); |
4866 |
ret = target_set; |
4867 |
} |
4868 |
break;
|
4869 |
#endif
|
4870 |
#ifdef TARGET_NR_sigprocmask
|
4871 |
case TARGET_NR_sigprocmask:
|
4872 |
{ |
4873 |
int how = arg1;
|
4874 |
sigset_t set, oldset, *set_ptr; |
4875 |
|
4876 |
if (arg2) {
|
4877 |
switch(how) {
|
4878 |
case TARGET_SIG_BLOCK:
|
4879 |
how = SIG_BLOCK; |
4880 |
break;
|
4881 |
case TARGET_SIG_UNBLOCK:
|
4882 |
how = SIG_UNBLOCK; |
4883 |
break;
|
4884 |
case TARGET_SIG_SETMASK:
|
4885 |
how = SIG_SETMASK; |
4886 |
break;
|
4887 |
default:
|
4888 |
ret = -TARGET_EINVAL; |
4889 |
goto fail;
|
4890 |
} |
4891 |
if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
4892 |
goto efault;
|
4893 |
target_to_host_old_sigset(&set, p); |
4894 |
unlock_user(p, arg2, 0);
|
4895 |
set_ptr = &set; |
4896 |
} else {
|
4897 |
how = 0;
|
4898 |
set_ptr = NULL;
|
4899 |
} |
4900 |
ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); |
4901 |
if (!is_error(ret) && arg3) {
|
4902 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
4903 |
goto efault;
|
4904 |
host_to_target_old_sigset(p, &oldset); |
4905 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
4906 |
} |
4907 |
} |
4908 |
break;
|
4909 |
#endif
|
4910 |
case TARGET_NR_rt_sigprocmask:
|
4911 |
{ |
4912 |
int how = arg1;
|
4913 |
sigset_t set, oldset, *set_ptr; |
4914 |
|
4915 |
if (arg2) {
|
4916 |
switch(how) {
|
4917 |
case TARGET_SIG_BLOCK:
|
4918 |
how = SIG_BLOCK; |
4919 |
break;
|
4920 |
case TARGET_SIG_UNBLOCK:
|
4921 |
how = SIG_UNBLOCK; |
4922 |
break;
|
4923 |
case TARGET_SIG_SETMASK:
|
4924 |
how = SIG_SETMASK; |
4925 |
break;
|
4926 |
default:
|
4927 |
ret = -TARGET_EINVAL; |
4928 |
goto fail;
|
4929 |
} |
4930 |
if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
4931 |
goto efault;
|
4932 |
target_to_host_sigset(&set, p); |
4933 |
unlock_user(p, arg2, 0);
|
4934 |
set_ptr = &set; |
4935 |
} else {
|
4936 |
how = 0;
|
4937 |
set_ptr = NULL;
|
4938 |
} |
4939 |
ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
4940 |
if (!is_error(ret) && arg3) {
|
4941 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
4942 |
goto efault;
|
4943 |
host_to_target_sigset(p, &oldset); |
4944 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
4945 |
} |
4946 |
} |
4947 |
break;
|
4948 |
#ifdef TARGET_NR_sigpending
|
4949 |
case TARGET_NR_sigpending:
|
4950 |
{ |
4951 |
sigset_t set; |
4952 |
ret = get_errno(sigpending(&set)); |
4953 |
if (!is_error(ret)) {
|
4954 |
if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
4955 |
goto efault;
|
4956 |
host_to_target_old_sigset(p, &set); |
4957 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
4958 |
} |
4959 |
} |
4960 |
break;
|
4961 |
#endif
|
4962 |
case TARGET_NR_rt_sigpending:
|
4963 |
{ |
4964 |
sigset_t set; |
4965 |
ret = get_errno(sigpending(&set)); |
4966 |
if (!is_error(ret)) {
|
4967 |
if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
4968 |
goto efault;
|
4969 |
host_to_target_sigset(p, &set); |
4970 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
4971 |
} |
4972 |
} |
4973 |
break;
|
4974 |
#ifdef TARGET_NR_sigsuspend
|
4975 |
case TARGET_NR_sigsuspend:
|
4976 |
{ |
4977 |
sigset_t set; |
4978 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
4979 |
goto efault;
|
4980 |
target_to_host_old_sigset(&set, p); |
4981 |
unlock_user(p, arg1, 0);
|
4982 |
ret = get_errno(sigsuspend(&set)); |
4983 |
} |
4984 |
break;
|
4985 |
#endif
|
4986 |
case TARGET_NR_rt_sigsuspend:
|
4987 |
{ |
4988 |
sigset_t set; |
4989 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
4990 |
goto efault;
|
4991 |
target_to_host_sigset(&set, p); |
4992 |
unlock_user(p, arg1, 0);
|
4993 |
ret = get_errno(sigsuspend(&set)); |
4994 |
} |
4995 |
break;
|
4996 |
case TARGET_NR_rt_sigtimedwait:
|
4997 |
{ |
4998 |
sigset_t set; |
4999 |
struct timespec uts, *puts;
|
5000 |
siginfo_t uinfo; |
5001 |
|
5002 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
5003 |
goto efault;
|
5004 |
target_to_host_sigset(&set, p); |
5005 |
unlock_user(p, arg1, 0);
|
5006 |
if (arg3) {
|
5007 |
puts = &uts; |
5008 |
target_to_host_timespec(puts, arg3); |
5009 |
} else {
|
5010 |
puts = NULL;
|
5011 |
} |
5012 |
ret = get_errno(sigtimedwait(&set, &uinfo, puts)); |
5013 |
if (!is_error(ret) && arg2) {
|
5014 |
if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0))) |
5015 |
goto efault;
|
5016 |
host_to_target_siginfo(p, &uinfo); |
5017 |
unlock_user(p, arg2, sizeof(target_siginfo_t));
|
5018 |
} |
5019 |
} |
5020 |
break;
|
5021 |
case TARGET_NR_rt_sigqueueinfo:
|
5022 |
{ |
5023 |
siginfo_t uinfo; |
5024 |
if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) |
5025 |
goto efault;
|
5026 |
target_to_host_siginfo(&uinfo, p); |
5027 |
unlock_user(p, arg1, 0);
|
5028 |
ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
5029 |
} |
5030 |
break;
|
5031 |
#ifdef TARGET_NR_sigreturn
|
5032 |
case TARGET_NR_sigreturn:
|
5033 |
/* NOTE: ret is eax, so not transcoding must be done */
|
5034 |
ret = do_sigreturn(cpu_env); |
5035 |
break;
|
5036 |
#endif
|
5037 |
case TARGET_NR_rt_sigreturn:
|
5038 |
/* NOTE: ret is eax, so not transcoding must be done */
|
5039 |
ret = do_rt_sigreturn(cpu_env); |
5040 |
break;
|
5041 |
case TARGET_NR_sethostname:
|
5042 |
if (!(p = lock_user_string(arg1)))
|
5043 |
goto efault;
|
5044 |
ret = get_errno(sethostname(p, arg2)); |
5045 |
unlock_user(p, arg1, 0);
|
5046 |
break;
|
5047 |
case TARGET_NR_setrlimit:
|
5048 |
{ |
5049 |
/* XXX: convert resource ? */
|
5050 |
int resource = arg1;
|
5051 |
struct target_rlimit *target_rlim;
|
5052 |
struct rlimit rlim;
|
5053 |
if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
5054 |
goto efault;
|
5055 |
rlim.rlim_cur = tswapl(target_rlim->rlim_cur); |
5056 |
rlim.rlim_max = tswapl(target_rlim->rlim_max); |
5057 |
unlock_user_struct(target_rlim, arg2, 0);
|
5058 |
ret = get_errno(setrlimit(resource, &rlim)); |
5059 |
} |
5060 |
break;
|
5061 |
case TARGET_NR_getrlimit:
|
5062 |
{ |
5063 |
/* XXX: convert resource ? */
|
5064 |
int resource = arg1;
|
5065 |
struct target_rlimit *target_rlim;
|
5066 |
struct rlimit rlim;
|
5067 |
|
5068 |
ret = get_errno(getrlimit(resource, &rlim)); |
5069 |
if (!is_error(ret)) {
|
5070 |
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
5071 |
goto efault;
|
5072 |
target_rlim->rlim_cur = tswapl(rlim.rlim_cur); |
5073 |
target_rlim->rlim_max = tswapl(rlim.rlim_max); |
5074 |
unlock_user_struct(target_rlim, arg2, 1);
|
5075 |
} |
5076 |
} |
5077 |
break;
|
5078 |
case TARGET_NR_getrusage:
|
5079 |
{ |
5080 |
struct rusage rusage;
|
5081 |
ret = get_errno(getrusage(arg1, &rusage)); |
5082 |
if (!is_error(ret)) {
|
5083 |
host_to_target_rusage(arg2, &rusage); |
5084 |
} |
5085 |
} |
5086 |
break;
|
5087 |
case TARGET_NR_gettimeofday:
|
5088 |
{ |
5089 |
struct timeval tv;
|
5090 |
ret = get_errno(gettimeofday(&tv, NULL));
|
5091 |
if (!is_error(ret)) {
|
5092 |
if (copy_to_user_timeval(arg1, &tv))
|
5093 |
goto efault;
|
5094 |
} |
5095 |
} |
5096 |
break;
|
5097 |
case TARGET_NR_settimeofday:
|
5098 |
{ |
5099 |
struct timeval tv;
|
5100 |
if (copy_from_user_timeval(&tv, arg1))
|
5101 |
goto efault;
|
5102 |
ret = get_errno(settimeofday(&tv, NULL));
|
5103 |
} |
5104 |
break;
|
5105 |
#ifdef TARGET_NR_select
|
5106 |
case TARGET_NR_select:
|
5107 |
{ |
5108 |
struct target_sel_arg_struct *sel;
|
5109 |
abi_ulong inp, outp, exp, tvp; |
5110 |
long nsel;
|
5111 |
|
5112 |
if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) |
5113 |
goto efault;
|
5114 |
nsel = tswapl(sel->n); |
5115 |
inp = tswapl(sel->inp); |
5116 |
outp = tswapl(sel->outp); |
5117 |
exp = tswapl(sel->exp); |
5118 |
tvp = tswapl(sel->tvp); |
5119 |
unlock_user_struct(sel, arg1, 0);
|
5120 |
ret = do_select(nsel, inp, outp, exp, tvp); |
5121 |
} |
5122 |
break;
|
5123 |
#endif
|
5124 |
case TARGET_NR_symlink:
|
5125 |
{ |
5126 |
void *p2;
|
5127 |
p = lock_user_string(arg1); |
5128 |
p2 = lock_user_string(arg2); |
5129 |
if (!p || !p2)
|
5130 |
ret = -TARGET_EFAULT; |
5131 |
else
|
5132 |
ret = get_errno(symlink(p, p2)); |
5133 |
unlock_user(p2, arg2, 0);
|
5134 |
unlock_user(p, arg1, 0);
|
5135 |
} |
5136 |
break;
|
5137 |
#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
|
5138 |
case TARGET_NR_symlinkat:
|
5139 |
{ |
5140 |
void *p2;
|
5141 |
p = lock_user_string(arg1); |
5142 |
p2 = lock_user_string(arg3); |
5143 |
if (!p || !p2)
|
5144 |
ret = -TARGET_EFAULT; |
5145 |
else
|
5146 |
ret = get_errno(sys_symlinkat(p, arg2, p2)); |
5147 |
unlock_user(p2, arg3, 0);
|
5148 |
unlock_user(p, arg1, 0);
|
5149 |
} |
5150 |
break;
|
5151 |
#endif
|
5152 |
#ifdef TARGET_NR_oldlstat
|
5153 |
case TARGET_NR_oldlstat:
|
5154 |
goto unimplemented;
|
5155 |
#endif
|
5156 |
case TARGET_NR_readlink:
|
5157 |
{ |
5158 |
void *p2, *temp;
|
5159 |
p = lock_user_string(arg1); |
5160 |
p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
|
5161 |
if (!p || !p2)
|
5162 |
ret = -TARGET_EFAULT; |
5163 |
else {
|
5164 |
if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) { |
5165 |
char real[PATH_MAX];
|
5166 |
temp = realpath(exec_path,real); |
5167 |
ret = (temp==NULL) ? get_errno(-1) : strlen(real) ; |
5168 |
snprintf((char *)p2, arg3, "%s", real); |
5169 |
} |
5170 |
else
|
5171 |
ret = get_errno(readlink(path(p), p2, arg3)); |
5172 |
} |
5173 |
unlock_user(p2, arg2, ret); |
5174 |
unlock_user(p, arg1, 0);
|
5175 |
} |
5176 |
break;
|
5177 |
#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
|
5178 |
case TARGET_NR_readlinkat:
|
5179 |
{ |
5180 |
void *p2;
|
5181 |
p = lock_user_string(arg2); |
5182 |
p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
|
5183 |
if (!p || !p2)
|
5184 |
ret = -TARGET_EFAULT; |
5185 |
else
|
5186 |
ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); |
5187 |
unlock_user(p2, arg3, ret); |
5188 |
unlock_user(p, arg2, 0);
|
5189 |
} |
5190 |
break;
|
5191 |
#endif
|
5192 |
#ifdef TARGET_NR_uselib
|
5193 |
case TARGET_NR_uselib:
|
5194 |
goto unimplemented;
|
5195 |
#endif
|
5196 |
#ifdef TARGET_NR_swapon
|
5197 |
case TARGET_NR_swapon:
|
5198 |
if (!(p = lock_user_string(arg1)))
|
5199 |
goto efault;
|
5200 |
ret = get_errno(swapon(p, arg2)); |
5201 |
unlock_user(p, arg1, 0);
|
5202 |
break;
|
5203 |
#endif
|
5204 |
case TARGET_NR_reboot:
|
5205 |
goto unimplemented;
|
5206 |
#ifdef TARGET_NR_readdir
|
5207 |
case TARGET_NR_readdir:
|
5208 |
goto unimplemented;
|
5209 |
#endif
|
5210 |
#ifdef TARGET_NR_mmap
|
5211 |
case TARGET_NR_mmap:
|
5212 |
#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
|
5213 |
{ |
5214 |
abi_ulong *v; |
5215 |
abi_ulong v1, v2, v3, v4, v5, v6; |
5216 |
if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
5217 |
goto efault;
|
5218 |
v1 = tswapl(v[0]);
|
5219 |
v2 = tswapl(v[1]);
|
5220 |
v3 = tswapl(v[2]);
|
5221 |
v4 = tswapl(v[3]);
|
5222 |
v5 = tswapl(v[4]);
|
5223 |
v6 = tswapl(v[5]);
|
5224 |
unlock_user(v, arg1, 0);
|
5225 |
ret = get_errno(target_mmap(v1, v2, v3, |
5226 |
target_to_host_bitmask(v4, mmap_flags_tbl), |
5227 |
v5, v6)); |
5228 |
} |
5229 |
#else
|
5230 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
5231 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
5232 |
arg5, |
5233 |
arg6)); |
5234 |
#endif
|
5235 |
break;
|
5236 |
#endif
|
5237 |
#ifdef TARGET_NR_mmap2
|
5238 |
case TARGET_NR_mmap2:
|
5239 |
#ifndef MMAP_SHIFT
|
5240 |
#define MMAP_SHIFT 12 |
5241 |
#endif
|
5242 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
5243 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
5244 |
arg5, |
5245 |
arg6 << MMAP_SHIFT)); |
5246 |
break;
|
5247 |
#endif
|
5248 |
case TARGET_NR_munmap:
|
5249 |
ret = get_errno(target_munmap(arg1, arg2)); |
5250 |
break;
|
5251 |
case TARGET_NR_mprotect:
|
5252 |
ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
5253 |
break;
|
5254 |
#ifdef TARGET_NR_mremap
|
5255 |
case TARGET_NR_mremap:
|
5256 |
ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
5257 |
break;
|
5258 |
#endif
|
5259 |
/* ??? msync/mlock/munlock are broken for softmmu. */
|
5260 |
#ifdef TARGET_NR_msync
|
5261 |
case TARGET_NR_msync:
|
5262 |
ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
5263 |
break;
|
5264 |
#endif
|
5265 |
#ifdef TARGET_NR_mlock
|
5266 |
case TARGET_NR_mlock:
|
5267 |
ret = get_errno(mlock(g2h(arg1), arg2)); |
5268 |
break;
|
5269 |
#endif
|
5270 |
#ifdef TARGET_NR_munlock
|
5271 |
case TARGET_NR_munlock:
|
5272 |
ret = get_errno(munlock(g2h(arg1), arg2)); |
5273 |
break;
|
5274 |
#endif
|
5275 |
#ifdef TARGET_NR_mlockall
|
5276 |
case TARGET_NR_mlockall:
|
5277 |
ret = get_errno(mlockall(arg1)); |
5278 |
break;
|
5279 |
#endif
|
5280 |
#ifdef TARGET_NR_munlockall
|
5281 |
case TARGET_NR_munlockall:
|
5282 |
ret = get_errno(munlockall()); |
5283 |
break;
|
5284 |
#endif
|
5285 |
case TARGET_NR_truncate:
|
5286 |
if (!(p = lock_user_string(arg1)))
|
5287 |
goto efault;
|
5288 |
ret = get_errno(truncate(p, arg2)); |
5289 |
unlock_user(p, arg1, 0);
|
5290 |
break;
|
5291 |
case TARGET_NR_ftruncate:
|
5292 |
ret = get_errno(ftruncate(arg1, arg2)); |
5293 |
break;
|
5294 |
case TARGET_NR_fchmod:
|
5295 |
ret = get_errno(fchmod(arg1, arg2)); |
5296 |
break;
|
5297 |
#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
|
5298 |
case TARGET_NR_fchmodat:
|
5299 |
if (!(p = lock_user_string(arg2)))
|
5300 |
goto efault;
|
5301 |
ret = get_errno(sys_fchmodat(arg1, p, arg3)); |
5302 |
unlock_user(p, arg2, 0);
|
5303 |
break;
|
5304 |
#endif
|
5305 |
case TARGET_NR_getpriority:
|
5306 |
/* libc does special remapping of the return value of
|
5307 |
* sys_getpriority() so it's just easiest to call
|
5308 |
* sys_getpriority() directly rather than through libc. */
|
5309 |
ret = sys_getpriority(arg1, arg2); |
5310 |
break;
|
5311 |
case TARGET_NR_setpriority:
|
5312 |
ret = get_errno(setpriority(arg1, arg2, arg3)); |
5313 |
break;
|
5314 |
#ifdef TARGET_NR_profil
|
5315 |
case TARGET_NR_profil:
|
5316 |
goto unimplemented;
|
5317 |
#endif
|
5318 |
case TARGET_NR_statfs:
|
5319 |
if (!(p = lock_user_string(arg1)))
|
5320 |
goto efault;
|
5321 |
ret = get_errno(statfs(path(p), &stfs)); |
5322 |
unlock_user(p, arg1, 0);
|
5323 |
convert_statfs:
|
5324 |
if (!is_error(ret)) {
|
5325 |
struct target_statfs *target_stfs;
|
5326 |
|
5327 |
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
5328 |
goto efault;
|
5329 |
__put_user(stfs.f_type, &target_stfs->f_type); |
5330 |
__put_user(stfs.f_bsize, &target_stfs->f_bsize); |
5331 |
__put_user(stfs.f_blocks, &target_stfs->f_blocks); |
5332 |
__put_user(stfs.f_bfree, &target_stfs->f_bfree); |
5333 |
__put_user(stfs.f_bavail, &target_stfs->f_bavail); |
5334 |
__put_user(stfs.f_files, &target_stfs->f_files); |
5335 |
__put_user(stfs.f_ffree, &target_stfs->f_ffree); |
5336 |
__put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
5337 |
__put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
5338 |
__put_user(stfs.f_namelen, &target_stfs->f_namelen); |
5339 |
unlock_user_struct(target_stfs, arg2, 1);
|
5340 |
} |
5341 |
break;
|
5342 |
case TARGET_NR_fstatfs:
|
5343 |
ret = get_errno(fstatfs(arg1, &stfs)); |
5344 |
goto convert_statfs;
|
5345 |
#ifdef TARGET_NR_statfs64
|
5346 |
case TARGET_NR_statfs64:
|
5347 |
if (!(p = lock_user_string(arg1)))
|
5348 |
goto efault;
|
5349 |
ret = get_errno(statfs(path(p), &stfs)); |
5350 |
unlock_user(p, arg1, 0);
|
5351 |
convert_statfs64:
|
5352 |
if (!is_error(ret)) {
|
5353 |
struct target_statfs64 *target_stfs;
|
5354 |
|
5355 |
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
5356 |
goto efault;
|
5357 |
__put_user(stfs.f_type, &target_stfs->f_type); |
5358 |
__put_user(stfs.f_bsize, &target_stfs->f_bsize); |
5359 |
__put_user(stfs.f_blocks, &target_stfs->f_blocks); |
5360 |
__put_user(stfs.f_bfree, &target_stfs->f_bfree); |
5361 |
__put_user(stfs.f_bavail, &target_stfs->f_bavail); |
5362 |
__put_user(stfs.f_files, &target_stfs->f_files); |
5363 |
__put_user(stfs.f_ffree, &target_stfs->f_ffree); |
5364 |
__put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
5365 |
__put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
5366 |
__put_user(stfs.f_namelen, &target_stfs->f_namelen); |
5367 |
unlock_user_struct(target_stfs, arg3, 1);
|
5368 |
} |
5369 |
break;
|
5370 |
case TARGET_NR_fstatfs64:
|
5371 |
ret = get_errno(fstatfs(arg1, &stfs)); |
5372 |
goto convert_statfs64;
|
5373 |
#endif
|
5374 |
#ifdef TARGET_NR_ioperm
|
5375 |
case TARGET_NR_ioperm:
|
5376 |
goto unimplemented;
|
5377 |
#endif
|
5378 |
#ifdef TARGET_NR_socketcall
|
5379 |
case TARGET_NR_socketcall:
|
5380 |
ret = do_socketcall(arg1, arg2); |
5381 |
break;
|
5382 |
#endif
|
5383 |
#ifdef TARGET_NR_accept
|
5384 |
case TARGET_NR_accept:
|
5385 |
ret = do_accept(arg1, arg2, arg3); |
5386 |
break;
|
5387 |
#endif
|
5388 |
#ifdef TARGET_NR_bind
|
5389 |
case TARGET_NR_bind:
|
5390 |
ret = do_bind(arg1, arg2, arg3); |
5391 |
break;
|
5392 |
#endif
|
5393 |
#ifdef TARGET_NR_connect
|
5394 |
case TARGET_NR_connect:
|
5395 |
ret = do_connect(arg1, arg2, arg3); |
5396 |
break;
|
5397 |
#endif
|
5398 |
#ifdef TARGET_NR_getpeername
|
5399 |
case TARGET_NR_getpeername:
|
5400 |
ret = do_getpeername(arg1, arg2, arg3); |
5401 |
break;
|
5402 |
#endif
|
5403 |
#ifdef TARGET_NR_getsockname
|
5404 |
case TARGET_NR_getsockname:
|
5405 |
ret = do_getsockname(arg1, arg2, arg3); |
5406 |
break;
|
5407 |
#endif
|
5408 |
#ifdef TARGET_NR_getsockopt
|
5409 |
case TARGET_NR_getsockopt:
|
5410 |
ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
5411 |
break;
|
5412 |
#endif
|
5413 |
#ifdef TARGET_NR_listen
|
5414 |
case TARGET_NR_listen:
|
5415 |
ret = get_errno(listen(arg1, arg2)); |
5416 |
break;
|
5417 |
#endif
|
5418 |
#ifdef TARGET_NR_recv
|
5419 |
case TARGET_NR_recv:
|
5420 |
ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
5421 |
break;
|
5422 |
#endif
|
5423 |
#ifdef TARGET_NR_recvfrom
|
5424 |
case TARGET_NR_recvfrom:
|
5425 |
ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
5426 |
break;
|
5427 |
#endif
|
5428 |
#ifdef TARGET_NR_recvmsg
|
5429 |
case TARGET_NR_recvmsg:
|
5430 |
ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
|
5431 |
break;
|
5432 |
#endif
|
5433 |
#ifdef TARGET_NR_send
|
5434 |
case TARGET_NR_send:
|
5435 |
ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
5436 |
break;
|
5437 |
#endif
|
5438 |
#ifdef TARGET_NR_sendmsg
|
5439 |
case TARGET_NR_sendmsg:
|
5440 |
ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
|
5441 |
break;
|
5442 |
#endif
|
5443 |
#ifdef TARGET_NR_sendto
|
5444 |
case TARGET_NR_sendto:
|
5445 |
ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
5446 |
break;
|
5447 |
#endif
|
5448 |
#ifdef TARGET_NR_shutdown
|
5449 |
case TARGET_NR_shutdown:
|
5450 |
ret = get_errno(shutdown(arg1, arg2)); |
5451 |
break;
|
5452 |
#endif
|
5453 |
#ifdef TARGET_NR_socket
|
5454 |
case TARGET_NR_socket:
|
5455 |
ret = do_socket(arg1, arg2, arg3); |
5456 |
break;
|
5457 |
#endif
|
5458 |
#ifdef TARGET_NR_socketpair
|
5459 |
case TARGET_NR_socketpair:
|
5460 |
ret = do_socketpair(arg1, arg2, arg3, arg4); |
5461 |
break;
|
5462 |
#endif
|
5463 |
#ifdef TARGET_NR_setsockopt
|
5464 |
case TARGET_NR_setsockopt:
|
5465 |
ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
5466 |
break;
|
5467 |
#endif
|
5468 |
|
5469 |
case TARGET_NR_syslog:
|
5470 |
if (!(p = lock_user_string(arg2)))
|
5471 |
goto efault;
|
5472 |
ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); |
5473 |
unlock_user(p, arg2, 0);
|
5474 |
break;
|
5475 |
|
5476 |
case TARGET_NR_setitimer:
|
5477 |
{ |
5478 |
struct itimerval value, ovalue, *pvalue;
|
5479 |
|
5480 |
if (arg2) {
|
5481 |
pvalue = &value; |
5482 |
if (copy_from_user_timeval(&pvalue->it_interval, arg2)
|
5483 |
|| copy_from_user_timeval(&pvalue->it_value, |
5484 |
arg2 + sizeof(struct target_timeval))) |
5485 |
goto efault;
|
5486 |
} else {
|
5487 |
pvalue = NULL;
|
5488 |
} |
5489 |
ret = get_errno(setitimer(arg1, pvalue, &ovalue)); |
5490 |
if (!is_error(ret) && arg3) {
|
5491 |
if (copy_to_user_timeval(arg3,
|
5492 |
&ovalue.it_interval) |
5493 |
|| copy_to_user_timeval(arg3 + sizeof(struct target_timeval), |
5494 |
&ovalue.it_value)) |
5495 |
goto efault;
|
5496 |
} |
5497 |
} |
5498 |
break;
|
5499 |
case TARGET_NR_getitimer:
|
5500 |
{ |
5501 |
struct itimerval value;
|
5502 |
|
5503 |
ret = get_errno(getitimer(arg1, &value)); |
5504 |
if (!is_error(ret) && arg2) {
|
5505 |
if (copy_to_user_timeval(arg2,
|
5506 |
&value.it_interval) |
5507 |
|| copy_to_user_timeval(arg2 + sizeof(struct target_timeval), |
5508 |
&value.it_value)) |
5509 |
goto efault;
|
5510 |
} |
5511 |
} |
5512 |
break;
|
5513 |
case TARGET_NR_stat:
|
5514 |
if (!(p = lock_user_string(arg1)))
|
5515 |
goto efault;
|
5516 |
ret = get_errno(stat(path(p), &st)); |
5517 |
unlock_user(p, arg1, 0);
|
5518 |
goto do_stat;
|
5519 |
case TARGET_NR_lstat:
|
5520 |
if (!(p = lock_user_string(arg1)))
|
5521 |
goto efault;
|
5522 |
ret = get_errno(lstat(path(p), &st)); |
5523 |
unlock_user(p, arg1, 0);
|
5524 |
goto do_stat;
|
5525 |
case TARGET_NR_fstat:
|
5526 |
{ |
5527 |
ret = get_errno(fstat(arg1, &st)); |
5528 |
do_stat:
|
5529 |
if (!is_error(ret)) {
|
5530 |
struct target_stat *target_st;
|
5531 |
|
5532 |
if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
5533 |
goto efault;
|
5534 |
memset(target_st, 0, sizeof(*target_st)); |
5535 |
__put_user(st.st_dev, &target_st->st_dev); |
5536 |
__put_user(st.st_ino, &target_st->st_ino); |
5537 |
__put_user(st.st_mode, &target_st->st_mode); |
5538 |
__put_user(st.st_uid, &target_st->st_uid); |
5539 |
__put_user(st.st_gid, &target_st->st_gid); |
5540 |
__put_user(st.st_nlink, &target_st->st_nlink); |
5541 |
__put_user(st.st_rdev, &target_st->st_rdev); |
5542 |
__put_user(st.st_size, &target_st->st_size); |
5543 |
__put_user(st.st_blksize, &target_st->st_blksize); |
5544 |
__put_user(st.st_blocks, &target_st->st_blocks); |
5545 |
__put_user(st.st_atime, &target_st->target_st_atime); |
5546 |
__put_user(st.st_mtime, &target_st->target_st_mtime); |
5547 |
__put_user(st.st_ctime, &target_st->target_st_ctime); |
5548 |
unlock_user_struct(target_st, arg2, 1);
|
5549 |
} |
5550 |
} |
5551 |
break;
|
5552 |
#ifdef TARGET_NR_olduname
|
5553 |
case TARGET_NR_olduname:
|
5554 |
goto unimplemented;
|
5555 |
#endif
|
5556 |
#ifdef TARGET_NR_iopl
|
5557 |
case TARGET_NR_iopl:
|
5558 |
goto unimplemented;
|
5559 |
#endif
|
5560 |
case TARGET_NR_vhangup:
|
5561 |
ret = get_errno(vhangup()); |
5562 |
break;
|
5563 |
#ifdef TARGET_NR_idle
|
5564 |
case TARGET_NR_idle:
|
5565 |
goto unimplemented;
|
5566 |
#endif
|
5567 |
#ifdef TARGET_NR_syscall
|
5568 |
case TARGET_NR_syscall:
|
5569 |
ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); |
5570 |
break;
|
5571 |
#endif
|
5572 |
case TARGET_NR_wait4:
|
5573 |
{ |
5574 |
int status;
|
5575 |
abi_long status_ptr = arg2; |
5576 |
struct rusage rusage, *rusage_ptr;
|
5577 |
abi_ulong target_rusage = arg4; |
5578 |
if (target_rusage)
|
5579 |
rusage_ptr = &rusage; |
5580 |
else
|
5581 |
rusage_ptr = NULL;
|
5582 |
ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); |
5583 |
if (!is_error(ret)) {
|
5584 |
if (status_ptr) {
|
5585 |
status = host_to_target_waitstatus(status); |
5586 |
if (put_user_s32(status, status_ptr))
|
5587 |
goto efault;
|
5588 |
} |
5589 |
if (target_rusage)
|
5590 |
host_to_target_rusage(target_rusage, &rusage); |
5591 |
} |
5592 |
} |
5593 |
break;
|
5594 |
#ifdef TARGET_NR_swapoff
|
5595 |
case TARGET_NR_swapoff:
|
5596 |
if (!(p = lock_user_string(arg1)))
|
5597 |
goto efault;
|
5598 |
ret = get_errno(swapoff(p)); |
5599 |
unlock_user(p, arg1, 0);
|
5600 |
break;
|
5601 |
#endif
|
5602 |
case TARGET_NR_sysinfo:
|
5603 |
{ |
5604 |
struct target_sysinfo *target_value;
|
5605 |
struct sysinfo value;
|
5606 |
ret = get_errno(sysinfo(&value)); |
5607 |
if (!is_error(ret) && arg1)
|
5608 |
{ |
5609 |
if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
5610 |
goto efault;
|
5611 |
__put_user(value.uptime, &target_value->uptime); |
5612 |
__put_user(value.loads[0], &target_value->loads[0]); |
5613 |
__put_user(value.loads[1], &target_value->loads[1]); |
5614 |
__put_user(value.loads[2], &target_value->loads[2]); |
5615 |
__put_user(value.totalram, &target_value->totalram); |
5616 |
__put_user(value.freeram, &target_value->freeram); |
5617 |
__put_user(value.sharedram, &target_value->sharedram); |
5618 |
__put_user(value.bufferram, &target_value->bufferram); |
5619 |
__put_user(value.totalswap, &target_value->totalswap); |
5620 |
__put_user(value.freeswap, &target_value->freeswap); |
5621 |
__put_user(value.procs, &target_value->procs); |
5622 |
__put_user(value.totalhigh, &target_value->totalhigh); |
5623 |
__put_user(value.freehigh, &target_value->freehigh); |
5624 |
__put_user(value.mem_unit, &target_value->mem_unit); |
5625 |
unlock_user_struct(target_value, arg1, 1);
|
5626 |
} |
5627 |
} |
5628 |
break;
|
5629 |
#ifdef TARGET_NR_ipc
|
5630 |
case TARGET_NR_ipc:
|
5631 |
ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); |
5632 |
break;
|
5633 |
#endif
|
5634 |
#ifdef TARGET_NR_semget
|
5635 |
case TARGET_NR_semget:
|
5636 |
ret = get_errno(semget(arg1, arg2, arg3)); |
5637 |
break;
|
5638 |
#endif
|
5639 |
#ifdef TARGET_NR_semop
|
5640 |
case TARGET_NR_semop:
|
5641 |
ret = get_errno(do_semop(arg1, arg2, arg3)); |
5642 |
break;
|
5643 |
#endif
|
5644 |
#ifdef TARGET_NR_semctl
|
5645 |
case TARGET_NR_semctl:
|
5646 |
ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
|
5647 |
break;
|
5648 |
#endif
|
5649 |
#ifdef TARGET_NR_msgctl
|
5650 |
case TARGET_NR_msgctl:
|
5651 |
ret = do_msgctl(arg1, arg2, arg3); |
5652 |
break;
|
5653 |
#endif
|
5654 |
#ifdef TARGET_NR_msgget
|
5655 |
case TARGET_NR_msgget:
|
5656 |
ret = get_errno(msgget(arg1, arg2)); |
5657 |
break;
|
5658 |
#endif
|
5659 |
#ifdef TARGET_NR_msgrcv
|
5660 |
case TARGET_NR_msgrcv:
|
5661 |
ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
5662 |
break;
|
5663 |
#endif
|
5664 |
#ifdef TARGET_NR_msgsnd
|
5665 |
case TARGET_NR_msgsnd:
|
5666 |
ret = do_msgsnd(arg1, arg2, arg3, arg4); |
5667 |
break;
|
5668 |
#endif
|
5669 |
#ifdef TARGET_NR_shmget
|
5670 |
case TARGET_NR_shmget:
|
5671 |
ret = get_errno(shmget(arg1, arg2, arg3)); |
5672 |
break;
|
5673 |
#endif
|
5674 |
#ifdef TARGET_NR_shmctl
|
5675 |
case TARGET_NR_shmctl:
|
5676 |
ret = do_shmctl(arg1, arg2, arg3); |
5677 |
break;
|
5678 |
#endif
|
5679 |
#ifdef TARGET_NR_shmat
|
5680 |
case TARGET_NR_shmat:
|
5681 |
ret = do_shmat(arg1, arg2, arg3); |
5682 |
break;
|
5683 |
#endif
|
5684 |
#ifdef TARGET_NR_shmdt
|
5685 |
case TARGET_NR_shmdt:
|
5686 |
ret = do_shmdt(arg1); |
5687 |
break;
|
5688 |
#endif
|
5689 |
case TARGET_NR_fsync:
|
5690 |
ret = get_errno(fsync(arg1)); |
5691 |
break;
|
5692 |
case TARGET_NR_clone:
|
5693 |
#if defined(TARGET_SH4)
|
5694 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
5695 |
#elif defined(TARGET_CRIS)
|
5696 |
ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5)); |
5697 |
#else
|
5698 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); |
5699 |
#endif
|
5700 |
break;
|
5701 |
#ifdef __NR_exit_group
|
5702 |
/* new thread calls */
|
5703 |
case TARGET_NR_exit_group:
|
5704 |
#ifdef TARGET_GPROF
|
5705 |
_mcleanup(); |
5706 |
#endif
|
5707 |
gdb_exit(cpu_env, arg1); |
5708 |
ret = get_errno(exit_group(arg1)); |
5709 |
break;
|
5710 |
#endif
|
5711 |
case TARGET_NR_setdomainname:
|
5712 |
if (!(p = lock_user_string(arg1)))
|
5713 |
goto efault;
|
5714 |
ret = get_errno(setdomainname(p, arg2)); |
5715 |
unlock_user(p, arg1, 0);
|
5716 |
break;
|
5717 |
case TARGET_NR_uname:
|
5718 |
/* no need to transcode because we use the linux syscall */
|
5719 |
{ |
5720 |
struct new_utsname * buf;
|
5721 |
|
5722 |
if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
5723 |
goto efault;
|
5724 |
ret = get_errno(sys_uname(buf)); |
5725 |
if (!is_error(ret)) {
|
5726 |
/* Overrite the native machine name with whatever is being
|
5727 |
emulated. */
|
5728 |
strcpy (buf->machine, UNAME_MACHINE); |
5729 |
/* Allow the user to override the reported release. */
|
5730 |
if (qemu_uname_release && *qemu_uname_release)
|
5731 |
strcpy (buf->release, qemu_uname_release); |
5732 |
} |
5733 |
unlock_user_struct(buf, arg1, 1);
|
5734 |
} |
5735 |
break;
|
5736 |
#ifdef TARGET_I386
|
5737 |
case TARGET_NR_modify_ldt:
|
5738 |
ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
5739 |
break;
|
5740 |
#if !defined(TARGET_X86_64)
|
5741 |
case TARGET_NR_vm86old:
|
5742 |
goto unimplemented;
|
5743 |
case TARGET_NR_vm86:
|
5744 |
ret = do_vm86(cpu_env, arg1, arg2); |
5745 |
break;
|
5746 |
#endif
|
5747 |
#endif
|
5748 |
case TARGET_NR_adjtimex:
|
5749 |
goto unimplemented;
|
5750 |
#ifdef TARGET_NR_create_module
|
5751 |
case TARGET_NR_create_module:
|
5752 |
#endif
|
5753 |
case TARGET_NR_init_module:
|
5754 |
case TARGET_NR_delete_module:
|
5755 |
#ifdef TARGET_NR_get_kernel_syms
|
5756 |
case TARGET_NR_get_kernel_syms:
|
5757 |
#endif
|
5758 |
goto unimplemented;
|
5759 |
case TARGET_NR_quotactl:
|
5760 |
goto unimplemented;
|
5761 |
case TARGET_NR_getpgid:
|
5762 |
ret = get_errno(getpgid(arg1)); |
5763 |
break;
|
5764 |
case TARGET_NR_fchdir:
|
5765 |
ret = get_errno(fchdir(arg1)); |
5766 |
break;
|
5767 |
#ifdef TARGET_NR_bdflush /* not on x86_64 */ |
5768 |
case TARGET_NR_bdflush:
|
5769 |
goto unimplemented;
|
5770 |
#endif
|
5771 |
#ifdef TARGET_NR_sysfs
|
5772 |
case TARGET_NR_sysfs:
|
5773 |
goto unimplemented;
|
5774 |
#endif
|
5775 |
case TARGET_NR_personality:
|
5776 |
ret = get_errno(personality(arg1)); |
5777 |
break;
|
5778 |
#ifdef TARGET_NR_afs_syscall
|
5779 |
case TARGET_NR_afs_syscall:
|
5780 |
goto unimplemented;
|
5781 |
#endif
|
5782 |
#ifdef TARGET_NR__llseek /* Not on alpha */ |
5783 |
case TARGET_NR__llseek:
|
5784 |
{ |
5785 |
#if defined (__x86_64__)
|
5786 |
ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
|
5787 |
if (put_user_s64(ret, arg4))
|
5788 |
goto efault;
|
5789 |
#else
|
5790 |
int64_t res; |
5791 |
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
5792 |
if (put_user_s64(res, arg4))
|
5793 |
goto efault;
|
5794 |
#endif
|
5795 |
} |
5796 |
break;
|
5797 |
#endif
|
5798 |
case TARGET_NR_getdents:
|
5799 |
#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
5800 |
{ |
5801 |
struct target_dirent *target_dirp;
|
5802 |
struct linux_dirent *dirp;
|
5803 |
abi_long count = arg3; |
5804 |
|
5805 |
dirp = malloc(count); |
5806 |
if (!dirp) {
|
5807 |
ret = -TARGET_ENOMEM; |
5808 |
goto fail;
|
5809 |
} |
5810 |
|
5811 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
5812 |
if (!is_error(ret)) {
|
5813 |
struct linux_dirent *de;
|
5814 |
struct target_dirent *tde;
|
5815 |
int len = ret;
|
5816 |
int reclen, treclen;
|
5817 |
int count1, tnamelen;
|
5818 |
|
5819 |
count1 = 0;
|
5820 |
de = dirp; |
5821 |
if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
5822 |
goto efault;
|
5823 |
tde = target_dirp; |
5824 |
while (len > 0) { |
5825 |
reclen = de->d_reclen; |
5826 |
treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long))); |
5827 |
tde->d_reclen = tswap16(treclen); |
5828 |
tde->d_ino = tswapl(de->d_ino); |
5829 |
tde->d_off = tswapl(de->d_off); |
5830 |
tnamelen = treclen - (2 * sizeof(abi_long) + 2); |
5831 |
if (tnamelen > 256) |
5832 |
tnamelen = 256;
|
5833 |
/* XXX: may not be correct */
|
5834 |
pstrcpy(tde->d_name, tnamelen, de->d_name); |
5835 |
de = (struct linux_dirent *)((char *)de + reclen); |
5836 |
len -= reclen; |
5837 |
tde = (struct target_dirent *)((char *)tde + treclen); |
5838 |
count1 += treclen; |
5839 |
} |
5840 |
ret = count1; |
5841 |
unlock_user(target_dirp, arg2, ret); |
5842 |
} |
5843 |
free(dirp); |
5844 |
} |
5845 |
#else
|
5846 |
{ |
5847 |
struct linux_dirent *dirp;
|
5848 |
abi_long count = arg3; |
5849 |
|
5850 |
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
5851 |
goto efault;
|
5852 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
5853 |
if (!is_error(ret)) {
|
5854 |
struct linux_dirent *de;
|
5855 |
int len = ret;
|
5856 |
int reclen;
|
5857 |
de = dirp; |
5858 |
while (len > 0) { |
5859 |
reclen = de->d_reclen; |
5860 |
if (reclen > len)
|
5861 |
break;
|
5862 |
de->d_reclen = tswap16(reclen); |
5863 |
tswapls(&de->d_ino); |
5864 |
tswapls(&de->d_off); |
5865 |
de = (struct linux_dirent *)((char *)de + reclen); |
5866 |
len -= reclen; |
5867 |
} |
5868 |
} |
5869 |
unlock_user(dirp, arg2, ret); |
5870 |
} |
5871 |
#endif
|
5872 |
break;
|
5873 |
#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
|
5874 |
case TARGET_NR_getdents64:
|
5875 |
{ |
5876 |
struct linux_dirent64 *dirp;
|
5877 |
abi_long count = arg3; |
5878 |
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
5879 |
goto efault;
|
5880 |
ret = get_errno(sys_getdents64(arg1, dirp, count)); |
5881 |
if (!is_error(ret)) {
|
5882 |
struct linux_dirent64 *de;
|
5883 |
int len = ret;
|
5884 |
int reclen;
|
5885 |
de = dirp; |
5886 |
while (len > 0) { |
5887 |
reclen = de->d_reclen; |
5888 |
if (reclen > len)
|
5889 |
break;
|
5890 |
de->d_reclen = tswap16(reclen); |
5891 |
tswap64s((uint64_t *)&de->d_ino); |
5892 |
tswap64s((uint64_t *)&de->d_off); |
5893 |
de = (struct linux_dirent64 *)((char *)de + reclen); |
5894 |
len -= reclen; |
5895 |
} |
5896 |
} |
5897 |
unlock_user(dirp, arg2, ret); |
5898 |
} |
5899 |
break;
|
5900 |
#endif /* TARGET_NR_getdents64 */ |
5901 |
#ifdef TARGET_NR__newselect
|
5902 |
case TARGET_NR__newselect:
|
5903 |
ret = do_select(arg1, arg2, arg3, arg4, arg5); |
5904 |
break;
|
5905 |
#endif
|
5906 |
#ifdef TARGET_NR_poll
|
5907 |
case TARGET_NR_poll:
|
5908 |
{ |
5909 |
struct target_pollfd *target_pfd;
|
5910 |
unsigned int nfds = arg2; |
5911 |
int timeout = arg3;
|
5912 |
struct pollfd *pfd;
|
5913 |
unsigned int i; |
5914 |
|
5915 |
target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); |
5916 |
if (!target_pfd)
|
5917 |
goto efault;
|
5918 |
pfd = alloca(sizeof(struct pollfd) * nfds); |
5919 |
for(i = 0; i < nfds; i++) { |
5920 |
pfd[i].fd = tswap32(target_pfd[i].fd); |
5921 |
pfd[i].events = tswap16(target_pfd[i].events); |
5922 |
} |
5923 |
ret = get_errno(poll(pfd, nfds, timeout)); |
5924 |
if (!is_error(ret)) {
|
5925 |
for(i = 0; i < nfds; i++) { |
5926 |
target_pfd[i].revents = tswap16(pfd[i].revents); |
5927 |
} |
5928 |
ret += nfds * (sizeof(struct target_pollfd) |
5929 |
- sizeof(struct pollfd)); |
5930 |
} |
5931 |
unlock_user(target_pfd, arg1, ret); |
5932 |
} |
5933 |
break;
|
5934 |
#endif
|
5935 |
case TARGET_NR_flock:
|
5936 |
/* NOTE: the flock constant seems to be the same for every
|
5937 |
Linux platform */
|
5938 |
ret = get_errno(flock(arg1, arg2)); |
5939 |
break;
|
5940 |
case TARGET_NR_readv:
|
5941 |
{ |
5942 |
int count = arg3;
|
5943 |
struct iovec *vec;
|
5944 |
|
5945 |
vec = alloca(count * sizeof(struct iovec)); |
5946 |
if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0) |
5947 |
goto efault;
|
5948 |
ret = get_errno(readv(arg1, vec, count)); |
5949 |
unlock_iovec(vec, arg2, count, 1);
|
5950 |
} |
5951 |
break;
|
5952 |
case TARGET_NR_writev:
|
5953 |
{ |
5954 |
int count = arg3;
|
5955 |
struct iovec *vec;
|
5956 |
|
5957 |
vec = alloca(count * sizeof(struct iovec)); |
5958 |
if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0) |
5959 |
goto efault;
|
5960 |
ret = get_errno(writev(arg1, vec, count)); |
5961 |
unlock_iovec(vec, arg2, count, 0);
|
5962 |
} |
5963 |
break;
|
5964 |
case TARGET_NR_getsid:
|
5965 |
ret = get_errno(getsid(arg1)); |
5966 |
break;
|
5967 |
#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
5968 |
case TARGET_NR_fdatasync:
|
5969 |
ret = get_errno(fdatasync(arg1)); |
5970 |
break;
|
5971 |
#endif
|
5972 |
case TARGET_NR__sysctl:
|
5973 |
/* We don't implement this, but ENOTDIR is always a safe
|
5974 |
return value. */
|
5975 |
ret = -TARGET_ENOTDIR; |
5976 |
break;
|
5977 |
case TARGET_NR_sched_setparam:
|
5978 |
{ |
5979 |
struct sched_param *target_schp;
|
5980 |
struct sched_param schp;
|
5981 |
|
5982 |
if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
5983 |
goto efault;
|
5984 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
5985 |
unlock_user_struct(target_schp, arg2, 0);
|
5986 |
ret = get_errno(sched_setparam(arg1, &schp)); |
5987 |
} |
5988 |
break;
|
5989 |
case TARGET_NR_sched_getparam:
|
5990 |
{ |
5991 |
struct sched_param *target_schp;
|
5992 |
struct sched_param schp;
|
5993 |
ret = get_errno(sched_getparam(arg1, &schp)); |
5994 |
if (!is_error(ret)) {
|
5995 |
if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
5996 |
goto efault;
|
5997 |
target_schp->sched_priority = tswap32(schp.sched_priority); |
5998 |
unlock_user_struct(target_schp, arg2, 1);
|
5999 |
} |
6000 |
} |
6001 |
break;
|
6002 |
case TARGET_NR_sched_setscheduler:
|
6003 |
{ |
6004 |
struct sched_param *target_schp;
|
6005 |
struct sched_param schp;
|
6006 |
if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
6007 |
goto efault;
|
6008 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
6009 |
unlock_user_struct(target_schp, arg3, 0);
|
6010 |
ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
6011 |
} |
6012 |
break;
|
6013 |
case TARGET_NR_sched_getscheduler:
|
6014 |
ret = get_errno(sched_getscheduler(arg1)); |
6015 |
break;
|
6016 |
case TARGET_NR_sched_yield:
|
6017 |
ret = get_errno(sched_yield()); |
6018 |
break;
|
6019 |
case TARGET_NR_sched_get_priority_max:
|
6020 |
ret = get_errno(sched_get_priority_max(arg1)); |
6021 |
break;
|
6022 |
case TARGET_NR_sched_get_priority_min:
|
6023 |
ret = get_errno(sched_get_priority_min(arg1)); |
6024 |
break;
|
6025 |
case TARGET_NR_sched_rr_get_interval:
|
6026 |
{ |
6027 |
struct timespec ts;
|
6028 |
ret = get_errno(sched_rr_get_interval(arg1, &ts)); |
6029 |
if (!is_error(ret)) {
|
6030 |
host_to_target_timespec(arg2, &ts); |
6031 |
} |
6032 |
} |
6033 |
break;
|
6034 |
case TARGET_NR_nanosleep:
|
6035 |
{ |
6036 |
struct timespec req, rem;
|
6037 |
target_to_host_timespec(&req, arg1); |
6038 |
ret = get_errno(nanosleep(&req, &rem)); |
6039 |
if (is_error(ret) && arg2) {
|
6040 |
host_to_target_timespec(arg2, &rem); |
6041 |
} |
6042 |
} |
6043 |
break;
|
6044 |
#ifdef TARGET_NR_query_module
|
6045 |
case TARGET_NR_query_module:
|
6046 |
goto unimplemented;
|
6047 |
#endif
|
6048 |
#ifdef TARGET_NR_nfsservctl
|
6049 |
case TARGET_NR_nfsservctl:
|
6050 |
goto unimplemented;
|
6051 |
#endif
|
6052 |
case TARGET_NR_prctl:
|
6053 |
switch (arg1)
|
6054 |
{ |
6055 |
case PR_GET_PDEATHSIG:
|
6056 |
{ |
6057 |
int deathsig;
|
6058 |
ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); |
6059 |
if (!is_error(ret) && arg2
|
6060 |
&& put_user_ual(deathsig, arg2)) |
6061 |
goto efault;
|
6062 |
} |
6063 |
break;
|
6064 |
default:
|
6065 |
ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); |
6066 |
break;
|
6067 |
} |
6068 |
break;
|
6069 |
#ifdef TARGET_NR_arch_prctl
|
6070 |
case TARGET_NR_arch_prctl:
|
6071 |
#if defined(TARGET_I386) && !defined(TARGET_ABI32)
|
6072 |
ret = do_arch_prctl(cpu_env, arg1, arg2); |
6073 |
break;
|
6074 |
#else
|
6075 |
goto unimplemented;
|
6076 |
#endif
|
6077 |
#endif
|
6078 |
#ifdef TARGET_NR_pread
|
6079 |
case TARGET_NR_pread:
|
6080 |
#ifdef TARGET_ARM
|
6081 |
if (((CPUARMState *)cpu_env)->eabi)
|
6082 |
arg4 = arg5; |
6083 |
#endif
|
6084 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
6085 |
goto efault;
|
6086 |
ret = get_errno(pread(arg1, p, arg3, arg4)); |
6087 |
unlock_user(p, arg2, ret); |
6088 |
break;
|
6089 |
case TARGET_NR_pwrite:
|
6090 |
#ifdef TARGET_ARM
|
6091 |
if (((CPUARMState *)cpu_env)->eabi)
|
6092 |
arg4 = arg5; |
6093 |
#endif
|
6094 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
6095 |
goto efault;
|
6096 |
ret = get_errno(pwrite(arg1, p, arg3, arg4)); |
6097 |
unlock_user(p, arg2, 0);
|
6098 |
break;
|
6099 |
#endif
|
6100 |
#ifdef TARGET_NR_pread64
|
6101 |
case TARGET_NR_pread64:
|
6102 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
6103 |
goto efault;
|
6104 |
ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
6105 |
unlock_user(p, arg2, ret); |
6106 |
break;
|
6107 |
case TARGET_NR_pwrite64:
|
6108 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
6109 |
goto efault;
|
6110 |
ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
6111 |
unlock_user(p, arg2, 0);
|
6112 |
break;
|
6113 |
#endif
|
6114 |
case TARGET_NR_getcwd:
|
6115 |
if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
6116 |
goto efault;
|
6117 |
ret = get_errno(sys_getcwd1(p, arg2)); |
6118 |
unlock_user(p, arg1, ret); |
6119 |
break;
|
6120 |
case TARGET_NR_capget:
|
6121 |
goto unimplemented;
|
6122 |
case TARGET_NR_capset:
|
6123 |
goto unimplemented;
|
6124 |
case TARGET_NR_sigaltstack:
|
6125 |
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
|
6126 |
defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \ |
6127 |
defined(TARGET_M68K) |
6128 |
ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env)); |
6129 |
break;
|
6130 |
#else
|
6131 |
goto unimplemented;
|
6132 |
#endif
|
6133 |
case TARGET_NR_sendfile:
|
6134 |
goto unimplemented;
|
6135 |
#ifdef TARGET_NR_getpmsg
|
6136 |
case TARGET_NR_getpmsg:
|
6137 |
goto unimplemented;
|
6138 |
#endif
|
6139 |
#ifdef TARGET_NR_putpmsg
|
6140 |
case TARGET_NR_putpmsg:
|
6141 |
goto unimplemented;
|
6142 |
#endif
|
6143 |
#ifdef TARGET_NR_vfork
|
6144 |
case TARGET_NR_vfork:
|
6145 |
ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, |
6146 |
0, 0, 0, 0)); |
6147 |
break;
|
6148 |
#endif
|
6149 |
#ifdef TARGET_NR_ugetrlimit
|
6150 |
case TARGET_NR_ugetrlimit:
|
6151 |
{ |
6152 |
struct rlimit rlim;
|
6153 |
ret = get_errno(getrlimit(arg1, &rlim)); |
6154 |
if (!is_error(ret)) {
|
6155 |
struct target_rlimit *target_rlim;
|
6156 |
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
6157 |
goto efault;
|
6158 |
target_rlim->rlim_cur = tswapl(rlim.rlim_cur); |
6159 |
target_rlim->rlim_max = tswapl(rlim.rlim_max); |
6160 |
unlock_user_struct(target_rlim, arg2, 1);
|
6161 |
} |
6162 |
break;
|
6163 |
} |
6164 |
#endif
|
6165 |
#ifdef TARGET_NR_truncate64
|
6166 |
case TARGET_NR_truncate64:
|
6167 |
if (!(p = lock_user_string(arg1)))
|
6168 |
goto efault;
|
6169 |
ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
6170 |
unlock_user(p, arg1, 0);
|
6171 |
break;
|
6172 |
#endif
|
6173 |
#ifdef TARGET_NR_ftruncate64
|
6174 |
case TARGET_NR_ftruncate64:
|
6175 |
ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
6176 |
break;
|
6177 |
#endif
|
6178 |
#ifdef TARGET_NR_stat64
|
6179 |
case TARGET_NR_stat64:
|
6180 |
if (!(p = lock_user_string(arg1)))
|
6181 |
goto efault;
|
6182 |
ret = get_errno(stat(path(p), &st)); |
6183 |
unlock_user(p, arg1, 0);
|
6184 |
if (!is_error(ret))
|
6185 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
6186 |
break;
|
6187 |
#endif
|
6188 |
#ifdef TARGET_NR_lstat64
|
6189 |
case TARGET_NR_lstat64:
|
6190 |
if (!(p = lock_user_string(arg1)))
|
6191 |
goto efault;
|
6192 |
ret = get_errno(lstat(path(p), &st)); |
6193 |
unlock_user(p, arg1, 0);
|
6194 |
if (!is_error(ret))
|
6195 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
6196 |
break;
|
6197 |
#endif
|
6198 |
#ifdef TARGET_NR_fstat64
|
6199 |
case TARGET_NR_fstat64:
|
6200 |
ret = get_errno(fstat(arg1, &st)); |
6201 |
if (!is_error(ret))
|
6202 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
6203 |
break;
|
6204 |
#endif
|
6205 |
#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
|
6206 |
(defined(__NR_fstatat64) || defined(__NR_newfstatat)) |
6207 |
#ifdef TARGET_NR_fstatat64
|
6208 |
case TARGET_NR_fstatat64:
|
6209 |
#endif
|
6210 |
#ifdef TARGET_NR_newfstatat
|
6211 |
case TARGET_NR_newfstatat:
|
6212 |
#endif
|
6213 |
if (!(p = lock_user_string(arg2)))
|
6214 |
goto efault;
|
6215 |
#ifdef __NR_fstatat64
|
6216 |
ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4)); |
6217 |
#else
|
6218 |
ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4)); |
6219 |
#endif
|
6220 |
if (!is_error(ret))
|
6221 |
ret = host_to_target_stat64(cpu_env, arg3, &st); |
6222 |
break;
|
6223 |
#endif
|
6224 |
#ifdef USE_UID16
|
6225 |
case TARGET_NR_lchown:
|
6226 |
if (!(p = lock_user_string(arg1)))
|
6227 |
goto efault;
|
6228 |
ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
6229 |
unlock_user(p, arg1, 0);
|
6230 |
break;
|
6231 |
case TARGET_NR_getuid:
|
6232 |
ret = get_errno(high2lowuid(getuid())); |
6233 |
break;
|
6234 |
case TARGET_NR_getgid:
|
6235 |
ret = get_errno(high2lowgid(getgid())); |
6236 |
break;
|
6237 |
case TARGET_NR_geteuid:
|
6238 |
ret = get_errno(high2lowuid(geteuid())); |
6239 |
break;
|
6240 |
case TARGET_NR_getegid:
|
6241 |
ret = get_errno(high2lowgid(getegid())); |
6242 |
break;
|
6243 |
case TARGET_NR_setreuid:
|
6244 |
ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
6245 |
break;
|
6246 |
case TARGET_NR_setregid:
|
6247 |
ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
6248 |
break;
|
6249 |
case TARGET_NR_getgroups:
|
6250 |
{ |
6251 |
int gidsetsize = arg1;
|
6252 |
uint16_t *target_grouplist; |
6253 |
gid_t *grouplist; |
6254 |
int i;
|
6255 |
|
6256 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
6257 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
6258 |
if (gidsetsize == 0) |
6259 |
break;
|
6260 |
if (!is_error(ret)) {
|
6261 |
target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0); |
6262 |
if (!target_grouplist)
|
6263 |
goto efault;
|
6264 |
for(i = 0;i < ret; i++) |
6265 |
target_grouplist[i] = tswap16(grouplist[i]); |
6266 |
unlock_user(target_grouplist, arg2, gidsetsize * 2);
|
6267 |
} |
6268 |
} |
6269 |
break;
|
6270 |
case TARGET_NR_setgroups:
|
6271 |
{ |
6272 |
int gidsetsize = arg1;
|
6273 |
uint16_t *target_grouplist; |
6274 |
gid_t *grouplist; |
6275 |
int i;
|
6276 |
|
6277 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
6278 |
target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1); |
6279 |
if (!target_grouplist) {
|
6280 |
ret = -TARGET_EFAULT; |
6281 |
goto fail;
|
6282 |
} |
6283 |
for(i = 0;i < gidsetsize; i++) |
6284 |
grouplist[i] = tswap16(target_grouplist[i]); |
6285 |
unlock_user(target_grouplist, arg2, 0);
|
6286 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
6287 |
} |
6288 |
break;
|
6289 |
case TARGET_NR_fchown:
|
6290 |
ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
6291 |
break;
|
6292 |
#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
|
6293 |
case TARGET_NR_fchownat:
|
6294 |
if (!(p = lock_user_string(arg2)))
|
6295 |
goto efault;
|
6296 |
ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); |
6297 |
unlock_user(p, arg2, 0);
|
6298 |
break;
|
6299 |
#endif
|
6300 |
#ifdef TARGET_NR_setresuid
|
6301 |
case TARGET_NR_setresuid:
|
6302 |
ret = get_errno(setresuid(low2highuid(arg1), |
6303 |
low2highuid(arg2), |
6304 |
low2highuid(arg3))); |
6305 |
break;
|
6306 |
#endif
|
6307 |
#ifdef TARGET_NR_getresuid
|
6308 |
case TARGET_NR_getresuid:
|
6309 |
{ |
6310 |
uid_t ruid, euid, suid; |
6311 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
6312 |
if (!is_error(ret)) {
|
6313 |
if (put_user_u16(high2lowuid(ruid), arg1)
|
6314 |
|| put_user_u16(high2lowuid(euid), arg2) |
6315 |
|| put_user_u16(high2lowuid(suid), arg3)) |
6316 |
goto efault;
|
6317 |
} |
6318 |
} |
6319 |
break;
|
6320 |
#endif
|
6321 |
#ifdef TARGET_NR_getresgid
|
6322 |
case TARGET_NR_setresgid:
|
6323 |
ret = get_errno(setresgid(low2highgid(arg1), |
6324 |
low2highgid(arg2), |
6325 |
low2highgid(arg3))); |
6326 |
break;
|
6327 |
#endif
|
6328 |
#ifdef TARGET_NR_getresgid
|
6329 |
case TARGET_NR_getresgid:
|
6330 |
{ |
6331 |
gid_t rgid, egid, sgid; |
6332 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
6333 |
if (!is_error(ret)) {
|
6334 |
if (put_user_u16(high2lowgid(rgid), arg1)
|
6335 |
|| put_user_u16(high2lowgid(egid), arg2) |
6336 |
|| put_user_u16(high2lowgid(sgid), arg3)) |
6337 |
goto efault;
|
6338 |
} |
6339 |
} |
6340 |
break;
|
6341 |
#endif
|
6342 |
case TARGET_NR_chown:
|
6343 |
if (!(p = lock_user_string(arg1)))
|
6344 |
goto efault;
|
6345 |
ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
6346 |
unlock_user(p, arg1, 0);
|
6347 |
break;
|
6348 |
case TARGET_NR_setuid:
|
6349 |
ret = get_errno(setuid(low2highuid(arg1))); |
6350 |
break;
|
6351 |
case TARGET_NR_setgid:
|
6352 |
ret = get_errno(setgid(low2highgid(arg1))); |
6353 |
break;
|
6354 |
case TARGET_NR_setfsuid:
|
6355 |
ret = get_errno(setfsuid(arg1)); |
6356 |
break;
|
6357 |
case TARGET_NR_setfsgid:
|
6358 |
ret = get_errno(setfsgid(arg1)); |
6359 |
break;
|
6360 |
#endif /* USE_UID16 */ |
6361 |
|
6362 |
#ifdef TARGET_NR_lchown32
|
6363 |
case TARGET_NR_lchown32:
|
6364 |
if (!(p = lock_user_string(arg1)))
|
6365 |
goto efault;
|
6366 |
ret = get_errno(lchown(p, arg2, arg3)); |
6367 |
unlock_user(p, arg1, 0);
|
6368 |
break;
|
6369 |
#endif
|
6370 |
#ifdef TARGET_NR_getuid32
|
6371 |
case TARGET_NR_getuid32:
|
6372 |
ret = get_errno(getuid()); |
6373 |
break;
|
6374 |
#endif
|
6375 |
|
6376 |
#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
|
6377 |
/* Alpha specific */
|
6378 |
case TARGET_NR_getxuid:
|
6379 |
{ |
6380 |
uid_t euid; |
6381 |
euid=geteuid(); |
6382 |
((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; |
6383 |
} |
6384 |
ret = get_errno(getuid()); |
6385 |
break;
|
6386 |
#endif
|
6387 |
#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
|
6388 |
/* Alpha specific */
|
6389 |
case TARGET_NR_getxgid:
|
6390 |
{ |
6391 |
uid_t egid; |
6392 |
egid=getegid(); |
6393 |
((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; |
6394 |
} |
6395 |
ret = get_errno(getgid()); |
6396 |
break;
|
6397 |
#endif
|
6398 |
|
6399 |
#ifdef TARGET_NR_getgid32
|
6400 |
case TARGET_NR_getgid32:
|
6401 |
ret = get_errno(getgid()); |
6402 |
break;
|
6403 |
#endif
|
6404 |
#ifdef TARGET_NR_geteuid32
|
6405 |
case TARGET_NR_geteuid32:
|
6406 |
ret = get_errno(geteuid()); |
6407 |
break;
|
6408 |
#endif
|
6409 |
#ifdef TARGET_NR_getegid32
|
6410 |
case TARGET_NR_getegid32:
|
6411 |
ret = get_errno(getegid()); |
6412 |
break;
|
6413 |
#endif
|
6414 |
#ifdef TARGET_NR_setreuid32
|
6415 |
case TARGET_NR_setreuid32:
|
6416 |
ret = get_errno(setreuid(arg1, arg2)); |
6417 |
break;
|
6418 |
#endif
|
6419 |
#ifdef TARGET_NR_setregid32
|
6420 |
case TARGET_NR_setregid32:
|
6421 |
ret = get_errno(setregid(arg1, arg2)); |
6422 |
break;
|
6423 |
#endif
|
6424 |
#ifdef TARGET_NR_getgroups32
|
6425 |
case TARGET_NR_getgroups32:
|
6426 |
{ |
6427 |
int gidsetsize = arg1;
|
6428 |
uint32_t *target_grouplist; |
6429 |
gid_t *grouplist; |
6430 |
int i;
|
6431 |
|
6432 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
6433 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
6434 |
if (gidsetsize == 0) |
6435 |
break;
|
6436 |
if (!is_error(ret)) {
|
6437 |
target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
6438 |
if (!target_grouplist) {
|
6439 |
ret = -TARGET_EFAULT; |
6440 |
goto fail;
|
6441 |
} |
6442 |
for(i = 0;i < ret; i++) |
6443 |
target_grouplist[i] = tswap32(grouplist[i]); |
6444 |
unlock_user(target_grouplist, arg2, gidsetsize * 4);
|
6445 |
} |
6446 |
} |
6447 |
break;
|
6448 |
#endif
|
6449 |
#ifdef TARGET_NR_setgroups32
|
6450 |
case TARGET_NR_setgroups32:
|
6451 |
{ |
6452 |
int gidsetsize = arg1;
|
6453 |
uint32_t *target_grouplist; |
6454 |
gid_t *grouplist; |
6455 |
int i;
|
6456 |
|
6457 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
6458 |
target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
6459 |
if (!target_grouplist) {
|
6460 |
ret = -TARGET_EFAULT; |
6461 |
goto fail;
|
6462 |
} |
6463 |
for(i = 0;i < gidsetsize; i++) |
6464 |
grouplist[i] = tswap32(target_grouplist[i]); |
6465 |
unlock_user(target_grouplist, arg2, 0);
|
6466 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
6467 |
} |
6468 |
break;
|
6469 |
#endif
|
6470 |
#ifdef TARGET_NR_fchown32
|
6471 |
case TARGET_NR_fchown32:
|
6472 |
ret = get_errno(fchown(arg1, arg2, arg3)); |
6473 |
break;
|
6474 |
#endif
|
6475 |
#ifdef TARGET_NR_setresuid32
|
6476 |
case TARGET_NR_setresuid32:
|
6477 |
ret = get_errno(setresuid(arg1, arg2, arg3)); |
6478 |
break;
|
6479 |
#endif
|
6480 |
#ifdef TARGET_NR_getresuid32
|
6481 |
case TARGET_NR_getresuid32:
|
6482 |
{ |
6483 |
uid_t ruid, euid, suid; |
6484 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
6485 |
if (!is_error(ret)) {
|
6486 |
if (put_user_u32(ruid, arg1)
|
6487 |
|| put_user_u32(euid, arg2) |
6488 |
|| put_user_u32(suid, arg3)) |
6489 |
goto efault;
|
6490 |
} |
6491 |
} |
6492 |
break;
|
6493 |
#endif
|
6494 |
#ifdef TARGET_NR_setresgid32
|
6495 |
case TARGET_NR_setresgid32:
|
6496 |
ret = get_errno(setresgid(arg1, arg2, arg3)); |
6497 |
break;
|
6498 |
#endif
|
6499 |
#ifdef TARGET_NR_getresgid32
|
6500 |
case TARGET_NR_getresgid32:
|
6501 |
{ |
6502 |
gid_t rgid, egid, sgid; |
6503 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
6504 |
if (!is_error(ret)) {
|
6505 |
if (put_user_u32(rgid, arg1)
|
6506 |
|| put_user_u32(egid, arg2) |
6507 |
|| put_user_u32(sgid, arg3)) |
6508 |
goto efault;
|
6509 |
} |
6510 |
} |
6511 |
break;
|
6512 |
#endif
|
6513 |
#ifdef TARGET_NR_chown32
|
6514 |
case TARGET_NR_chown32:
|
6515 |
if (!(p = lock_user_string(arg1)))
|
6516 |
goto efault;
|
6517 |
ret = get_errno(chown(p, arg2, arg3)); |
6518 |
unlock_user(p, arg1, 0);
|
6519 |
break;
|
6520 |
#endif
|
6521 |
#ifdef TARGET_NR_setuid32
|
6522 |
case TARGET_NR_setuid32:
|
6523 |
ret = get_errno(setuid(arg1)); |
6524 |
break;
|
6525 |
#endif
|
6526 |
#ifdef TARGET_NR_setgid32
|
6527 |
case TARGET_NR_setgid32:
|
6528 |
ret = get_errno(setgid(arg1)); |
6529 |
break;
|
6530 |
#endif
|
6531 |
#ifdef TARGET_NR_setfsuid32
|
6532 |
case TARGET_NR_setfsuid32:
|
6533 |
ret = get_errno(setfsuid(arg1)); |
6534 |
break;
|
6535 |
#endif
|
6536 |
#ifdef TARGET_NR_setfsgid32
|
6537 |
case TARGET_NR_setfsgid32:
|
6538 |
ret = get_errno(setfsgid(arg1)); |
6539 |
break;
|
6540 |
#endif
|
6541 |
|
6542 |
case TARGET_NR_pivot_root:
|
6543 |
goto unimplemented;
|
6544 |
#ifdef TARGET_NR_mincore
|
6545 |
case TARGET_NR_mincore:
|
6546 |
{ |
6547 |
void *a;
|
6548 |
ret = -TARGET_EFAULT; |
6549 |
if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0))) |
6550 |
goto efault;
|
6551 |
if (!(p = lock_user_string(arg3)))
|
6552 |
goto mincore_fail;
|
6553 |
ret = get_errno(mincore(a, arg2, p)); |
6554 |
unlock_user(p, arg3, ret); |
6555 |
mincore_fail:
|
6556 |
unlock_user(a, arg1, 0);
|
6557 |
} |
6558 |
break;
|
6559 |
#endif
|
6560 |
#ifdef TARGET_NR_arm_fadvise64_64
|
6561 |
case TARGET_NR_arm_fadvise64_64:
|
6562 |
{ |
6563 |
/*
|
6564 |
* arm_fadvise64_64 looks like fadvise64_64 but
|
6565 |
* with different argument order
|
6566 |
*/
|
6567 |
abi_long temp; |
6568 |
temp = arg3; |
6569 |
arg3 = arg4; |
6570 |
arg4 = temp; |
6571 |
} |
6572 |
#endif
|
6573 |
#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
|
6574 |
#ifdef TARGET_NR_fadvise64_64
|
6575 |
case TARGET_NR_fadvise64_64:
|
6576 |
#endif
|
6577 |
#ifdef TARGET_NR_fadvise64
|
6578 |
case TARGET_NR_fadvise64:
|
6579 |
#endif
|
6580 |
#ifdef TARGET_S390X
|
6581 |
switch (arg4) {
|
6582 |
case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ |
6583 |
case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ |
6584 |
case 6: arg4 = POSIX_FADV_DONTNEED; break; |
6585 |
case 7: arg4 = POSIX_FADV_NOREUSE; break; |
6586 |
default: break; |
6587 |
} |
6588 |
#endif
|
6589 |
ret = -posix_fadvise(arg1, arg2, arg3, arg4); |
6590 |
break;
|
6591 |
#endif
|
6592 |
#ifdef TARGET_NR_madvise
|
6593 |
case TARGET_NR_madvise:
|
6594 |
/* A straight passthrough may not be safe because qemu sometimes
|
6595 |
turns private flie-backed mappings into anonymous mappings.
|
6596 |
This will break MADV_DONTNEED.
|
6597 |
This is a hint, so ignoring and returning success is ok. */
|
6598 |
ret = get_errno(0);
|
6599 |
break;
|
6600 |
#endif
|
6601 |
#if TARGET_ABI_BITS == 32 |
6602 |
case TARGET_NR_fcntl64:
|
6603 |
{ |
6604 |
int cmd;
|
6605 |
struct flock64 fl;
|
6606 |
struct target_flock64 *target_fl;
|
6607 |
#ifdef TARGET_ARM
|
6608 |
struct target_eabi_flock64 *target_efl;
|
6609 |
#endif
|
6610 |
|
6611 |
cmd = target_to_host_fcntl_cmd(arg2); |
6612 |
if (cmd == -TARGET_EINVAL)
|
6613 |
return cmd;
|
6614 |
|
6615 |
switch(arg2) {
|
6616 |
case TARGET_F_GETLK64:
|
6617 |
#ifdef TARGET_ARM
|
6618 |
if (((CPUARMState *)cpu_env)->eabi) {
|
6619 |
if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
6620 |
goto efault;
|
6621 |
fl.l_type = tswap16(target_efl->l_type); |
6622 |
fl.l_whence = tswap16(target_efl->l_whence); |
6623 |
fl.l_start = tswap64(target_efl->l_start); |
6624 |
fl.l_len = tswap64(target_efl->l_len); |
6625 |
fl.l_pid = tswap32(target_efl->l_pid); |
6626 |
unlock_user_struct(target_efl, arg3, 0);
|
6627 |
} else
|
6628 |
#endif
|
6629 |
{ |
6630 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
6631 |
goto efault;
|
6632 |
fl.l_type = tswap16(target_fl->l_type); |
6633 |
fl.l_whence = tswap16(target_fl->l_whence); |
6634 |
fl.l_start = tswap64(target_fl->l_start); |
6635 |
fl.l_len = tswap64(target_fl->l_len); |
6636 |
fl.l_pid = tswap32(target_fl->l_pid); |
6637 |
unlock_user_struct(target_fl, arg3, 0);
|
6638 |
} |
6639 |
ret = get_errno(fcntl(arg1, cmd, &fl)); |
6640 |
if (ret == 0) { |
6641 |
#ifdef TARGET_ARM
|
6642 |
if (((CPUARMState *)cpu_env)->eabi) {
|
6643 |
if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) |
6644 |
goto efault;
|
6645 |
target_efl->l_type = tswap16(fl.l_type); |
6646 |
target_efl->l_whence = tswap16(fl.l_whence); |
6647 |
target_efl->l_start = tswap64(fl.l_start); |
6648 |
target_efl->l_len = tswap64(fl.l_len); |
6649 |
target_efl->l_pid = tswap32(fl.l_pid); |
6650 |
unlock_user_struct(target_efl, arg3, 1);
|
6651 |
} else
|
6652 |
#endif
|
6653 |
{ |
6654 |
if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) |
6655 |
goto efault;
|
6656 |
target_fl->l_type = tswap16(fl.l_type); |
6657 |
target_fl->l_whence = tswap16(fl.l_whence); |
6658 |
target_fl->l_start = tswap64(fl.l_start); |
6659 |
target_fl->l_len = tswap64(fl.l_len); |
6660 |
target_fl->l_pid = tswap32(fl.l_pid); |
6661 |
unlock_user_struct(target_fl, arg3, 1);
|
6662 |
} |
6663 |
} |
6664 |
break;
|
6665 |
|
6666 |
case TARGET_F_SETLK64:
|
6667 |
case TARGET_F_SETLKW64:
|
6668 |
#ifdef TARGET_ARM
|
6669 |
if (((CPUARMState *)cpu_env)->eabi) {
|
6670 |
if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
6671 |
goto efault;
|
6672 |
fl.l_type = tswap16(target_efl->l_type); |
6673 |
fl.l_whence = tswap16(target_efl->l_whence); |
6674 |
fl.l_start = tswap64(target_efl->l_start); |
6675 |
fl.l_len = tswap64(target_efl->l_len); |
6676 |
fl.l_pid = tswap32(target_efl->l_pid); |
6677 |
unlock_user_struct(target_efl, arg3, 0);
|
6678 |
} else
|
6679 |
#endif
|
6680 |
{ |
6681 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
6682 |
goto efault;
|
6683 |
fl.l_type = tswap16(target_fl->l_type); |
6684 |
fl.l_whence = tswap16(target_fl->l_whence); |
6685 |
fl.l_start = tswap64(target_fl->l_start); |
6686 |
fl.l_len = tswap64(target_fl->l_len); |
6687 |
fl.l_pid = tswap32(target_fl->l_pid); |
6688 |
unlock_user_struct(target_fl, arg3, 0);
|
6689 |
} |
6690 |
ret = get_errno(fcntl(arg1, cmd, &fl)); |
6691 |
break;
|
6692 |
default:
|
6693 |
ret = do_fcntl(arg1, arg2, arg3); |
6694 |
break;
|
6695 |
} |
6696 |
break;
|
6697 |
} |
6698 |
#endif
|
6699 |
#ifdef TARGET_NR_cacheflush
|
6700 |
case TARGET_NR_cacheflush:
|
6701 |
/* self-modifying code is handled automatically, so nothing needed */
|
6702 |
ret = 0;
|
6703 |
break;
|
6704 |
#endif
|
6705 |
#ifdef TARGET_NR_security
|
6706 |
case TARGET_NR_security:
|
6707 |
goto unimplemented;
|
6708 |
#endif
|
6709 |
#ifdef TARGET_NR_getpagesize
|
6710 |
case TARGET_NR_getpagesize:
|
6711 |
ret = TARGET_PAGE_SIZE; |
6712 |
break;
|
6713 |
#endif
|
6714 |
case TARGET_NR_gettid:
|
6715 |
ret = get_errno(gettid()); |
6716 |
break;
|
6717 |
#ifdef TARGET_NR_readahead
|
6718 |
case TARGET_NR_readahead:
|
6719 |
#if TARGET_ABI_BITS == 32 |
6720 |
#ifdef TARGET_ARM
|
6721 |
if (((CPUARMState *)cpu_env)->eabi)
|
6722 |
{ |
6723 |
arg2 = arg3; |
6724 |
arg3 = arg4; |
6725 |
arg4 = arg5; |
6726 |
} |
6727 |
#endif
|
6728 |
ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
|
6729 |
#else
|
6730 |
ret = get_errno(readahead(arg1, arg2, arg3)); |
6731 |
#endif
|
6732 |
break;
|
6733 |
#endif
|
6734 |
#ifdef TARGET_NR_setxattr
|
6735 |
case TARGET_NR_setxattr:
|
6736 |
case TARGET_NR_lsetxattr:
|
6737 |
case TARGET_NR_fsetxattr:
|
6738 |
case TARGET_NR_getxattr:
|
6739 |
case TARGET_NR_lgetxattr:
|
6740 |
case TARGET_NR_fgetxattr:
|
6741 |
case TARGET_NR_listxattr:
|
6742 |
case TARGET_NR_llistxattr:
|
6743 |
case TARGET_NR_flistxattr:
|
6744 |
case TARGET_NR_removexattr:
|
6745 |
case TARGET_NR_lremovexattr:
|
6746 |
case TARGET_NR_fremovexattr:
|
6747 |
ret = -TARGET_EOPNOTSUPP; |
6748 |
break;
|
6749 |
#endif
|
6750 |
#ifdef TARGET_NR_set_thread_area
|
6751 |
case TARGET_NR_set_thread_area:
|
6752 |
#if defined(TARGET_MIPS)
|
6753 |
((CPUMIPSState *) cpu_env)->tls_value = arg1; |
6754 |
ret = 0;
|
6755 |
break;
|
6756 |
#elif defined(TARGET_CRIS)
|
6757 |
if (arg1 & 0xff) |
6758 |
ret = -TARGET_EINVAL; |
6759 |
else {
|
6760 |
((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; |
6761 |
ret = 0;
|
6762 |
} |
6763 |
break;
|
6764 |
#elif defined(TARGET_I386) && defined(TARGET_ABI32)
|
6765 |
ret = do_set_thread_area(cpu_env, arg1); |
6766 |
break;
|
6767 |
#else
|
6768 |
goto unimplemented_nowarn;
|
6769 |
#endif
|
6770 |
#endif
|
6771 |
#ifdef TARGET_NR_get_thread_area
|
6772 |
case TARGET_NR_get_thread_area:
|
6773 |
#if defined(TARGET_I386) && defined(TARGET_ABI32)
|
6774 |
ret = do_get_thread_area(cpu_env, arg1); |
6775 |
#else
|
6776 |
goto unimplemented_nowarn;
|
6777 |
#endif
|
6778 |
#endif
|
6779 |
#ifdef TARGET_NR_getdomainname
|
6780 |
case TARGET_NR_getdomainname:
|
6781 |
goto unimplemented_nowarn;
|
6782 |
#endif
|
6783 |
|
6784 |
#ifdef TARGET_NR_clock_gettime
|
6785 |
case TARGET_NR_clock_gettime:
|
6786 |
{ |
6787 |
struct timespec ts;
|
6788 |
ret = get_errno(clock_gettime(arg1, &ts)); |
6789 |
if (!is_error(ret)) {
|
6790 |
host_to_target_timespec(arg2, &ts); |
6791 |
} |
6792 |
break;
|
6793 |
} |
6794 |
#endif
|
6795 |
#ifdef TARGET_NR_clock_getres
|
6796 |
case TARGET_NR_clock_getres:
|
6797 |
{ |
6798 |
struct timespec ts;
|
6799 |
ret = get_errno(clock_getres(arg1, &ts)); |
6800 |
if (!is_error(ret)) {
|
6801 |
host_to_target_timespec(arg2, &ts); |
6802 |
} |
6803 |
break;
|
6804 |
} |
6805 |
#endif
|
6806 |
#ifdef TARGET_NR_clock_nanosleep
|
6807 |
case TARGET_NR_clock_nanosleep:
|
6808 |
{ |
6809 |
struct timespec ts;
|
6810 |
target_to_host_timespec(&ts, arg3); |
6811 |
ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
|
6812 |
if (arg4)
|
6813 |
host_to_target_timespec(arg4, &ts); |
6814 |
break;
|
6815 |
} |
6816 |
#endif
|
6817 |
|
6818 |
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
|
6819 |
case TARGET_NR_set_tid_address:
|
6820 |
ret = get_errno(set_tid_address((int *)g2h(arg1)));
|
6821 |
break;
|
6822 |
#endif
|
6823 |
|
6824 |
#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
|
6825 |
case TARGET_NR_tkill:
|
6826 |
ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
|
6827 |
break;
|
6828 |
#endif
|
6829 |
|
6830 |
#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
|
6831 |
case TARGET_NR_tgkill:
|
6832 |
ret = get_errno(sys_tgkill((int)arg1, (int)arg2, |
6833 |
target_to_host_signal(arg3))); |
6834 |
break;
|
6835 |
#endif
|
6836 |
|
6837 |
#ifdef TARGET_NR_set_robust_list
|
6838 |
case TARGET_NR_set_robust_list:
|
6839 |
goto unimplemented_nowarn;
|
6840 |
#endif
|
6841 |
|
6842 |
#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
|
6843 |
case TARGET_NR_utimensat:
|
6844 |
{ |
6845 |
struct timespec *tsp, ts[2]; |
6846 |
if (!arg3) {
|
6847 |
tsp = NULL;
|
6848 |
} else {
|
6849 |
target_to_host_timespec(ts, arg3); |
6850 |
target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); |
6851 |
tsp = ts; |
6852 |
} |
6853 |
if (!arg2)
|
6854 |
ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
|
6855 |
else {
|
6856 |
if (!(p = lock_user_string(arg2))) {
|
6857 |
ret = -TARGET_EFAULT; |
6858 |
goto fail;
|
6859 |
} |
6860 |
ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
6861 |
unlock_user(p, arg2, 0);
|
6862 |
} |
6863 |
} |
6864 |
break;
|
6865 |
#endif
|
6866 |
#if defined(CONFIG_USE_NPTL)
|
6867 |
case TARGET_NR_futex:
|
6868 |
ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); |
6869 |
break;
|
6870 |
#endif
|
6871 |
#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
|
6872 |
case TARGET_NR_inotify_init:
|
6873 |
ret = get_errno(sys_inotify_init()); |
6874 |
break;
|
6875 |
#endif
|
6876 |
#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
|
6877 |
case TARGET_NR_inotify_add_watch:
|
6878 |
p = lock_user_string(arg2); |
6879 |
ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); |
6880 |
unlock_user(p, arg2, 0);
|
6881 |
break;
|
6882 |
#endif
|
6883 |
#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
|
6884 |
case TARGET_NR_inotify_rm_watch:
|
6885 |
ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); |
6886 |
break;
|
6887 |
#endif
|
6888 |
|
6889 |
#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
|
6890 |
case TARGET_NR_mq_open:
|
6891 |
{ |
6892 |
struct mq_attr posix_mq_attr;
|
6893 |
|
6894 |
p = lock_user_string(arg1 - 1);
|
6895 |
if (arg4 != 0) |
6896 |
copy_from_user_mq_attr (&posix_mq_attr, arg4); |
6897 |
ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr)); |
6898 |
unlock_user (p, arg1, 0);
|
6899 |
} |
6900 |
break;
|
6901 |
|
6902 |
case TARGET_NR_mq_unlink:
|
6903 |
p = lock_user_string(arg1 - 1);
|
6904 |
ret = get_errno(mq_unlink(p)); |
6905 |
unlock_user (p, arg1, 0);
|
6906 |
break;
|
6907 |
|
6908 |
case TARGET_NR_mq_timedsend:
|
6909 |
{ |
6910 |
struct timespec ts;
|
6911 |
|
6912 |
p = lock_user (VERIFY_READ, arg2, arg3, 1);
|
6913 |
if (arg5 != 0) { |
6914 |
target_to_host_timespec(&ts, arg5); |
6915 |
ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts)); |
6916 |
host_to_target_timespec(arg5, &ts); |
6917 |
} |
6918 |
else
|
6919 |
ret = get_errno(mq_send(arg1, p, arg3, arg4)); |
6920 |
unlock_user (p, arg2, arg3); |
6921 |
} |
6922 |
break;
|
6923 |
|
6924 |
case TARGET_NR_mq_timedreceive:
|
6925 |
{ |
6926 |
struct timespec ts;
|
6927 |
unsigned int prio; |
6928 |
|
6929 |
p = lock_user (VERIFY_READ, arg2, arg3, 1);
|
6930 |
if (arg5 != 0) { |
6931 |
target_to_host_timespec(&ts, arg5); |
6932 |
ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts)); |
6933 |
host_to_target_timespec(arg5, &ts); |
6934 |
} |
6935 |
else
|
6936 |
ret = get_errno(mq_receive(arg1, p, arg3, &prio)); |
6937 |
unlock_user (p, arg2, arg3); |
6938 |
if (arg4 != 0) |
6939 |
put_user_u32(prio, arg4); |
6940 |
} |
6941 |
break;
|
6942 |
|
6943 |
/* Not implemented for now... */
|
6944 |
/* case TARGET_NR_mq_notify: */
|
6945 |
/* break; */
|
6946 |
|
6947 |
case TARGET_NR_mq_getsetattr:
|
6948 |
{ |
6949 |
struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
|
6950 |
ret = 0;
|
6951 |
if (arg3 != 0) { |
6952 |
ret = mq_getattr(arg1, &posix_mq_attr_out); |
6953 |
copy_to_user_mq_attr(arg3, &posix_mq_attr_out); |
6954 |
} |
6955 |
if (arg2 != 0) { |
6956 |
copy_from_user_mq_attr(&posix_mq_attr_in, arg2); |
6957 |
ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out); |
6958 |
} |
6959 |
|
6960 |
} |
6961 |
break;
|
6962 |
#endif
|
6963 |
|
6964 |
#ifdef CONFIG_SPLICE
|
6965 |
#ifdef TARGET_NR_tee
|
6966 |
case TARGET_NR_tee:
|
6967 |
{ |
6968 |
ret = get_errno(tee(arg1,arg2,arg3,arg4)); |
6969 |
} |
6970 |
break;
|
6971 |
#endif
|
6972 |
#ifdef TARGET_NR_splice
|
6973 |
case TARGET_NR_splice:
|
6974 |
{ |
6975 |
loff_t loff_in, loff_out; |
6976 |
loff_t *ploff_in = NULL, *ploff_out = NULL; |
6977 |
if(arg2) {
|
6978 |
get_user_u64(loff_in, arg2); |
6979 |
ploff_in = &loff_in; |
6980 |
} |
6981 |
if(arg4) {
|
6982 |
get_user_u64(loff_out, arg2); |
6983 |
ploff_out = &loff_out; |
6984 |
} |
6985 |
ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); |
6986 |
} |
6987 |
break;
|
6988 |
#endif
|
6989 |
#ifdef TARGET_NR_vmsplice
|
6990 |
case TARGET_NR_vmsplice:
|
6991 |
{ |
6992 |
int count = arg3;
|
6993 |
struct iovec *vec;
|
6994 |
|
6995 |
vec = alloca(count * sizeof(struct iovec)); |
6996 |
if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0) |
6997 |
goto efault;
|
6998 |
ret = get_errno(vmsplice(arg1, vec, count, arg4)); |
6999 |
unlock_iovec(vec, arg2, count, 0);
|
7000 |
} |
7001 |
break;
|
7002 |
#endif
|
7003 |
#endif /* CONFIG_SPLICE */ |
7004 |
#ifdef CONFIG_EVENTFD
|
7005 |
#if defined(TARGET_NR_eventfd)
|
7006 |
case TARGET_NR_eventfd:
|
7007 |
ret = get_errno(eventfd(arg1, 0));
|
7008 |
break;
|
7009 |
#endif
|
7010 |
#if defined(TARGET_NR_eventfd2)
|
7011 |
case TARGET_NR_eventfd2:
|
7012 |
ret = get_errno(eventfd(arg1, arg2)); |
7013 |
break;
|
7014 |
#endif
|
7015 |
#endif /* CONFIG_EVENTFD */ |
7016 |
default:
|
7017 |
unimplemented:
|
7018 |
gemu_log("qemu: Unsupported syscall: %d\n", num);
|
7019 |
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
|
7020 |
unimplemented_nowarn:
|
7021 |
#endif
|
7022 |
ret = -TARGET_ENOSYS; |
7023 |
break;
|
7024 |
} |
7025 |
fail:
|
7026 |
#ifdef DEBUG
|
7027 |
gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); |
7028 |
#endif
|
7029 |
if(do_strace)
|
7030 |
print_syscall_ret(num, ret); |
7031 |
return ret;
|
7032 |
efault:
|
7033 |
ret = -TARGET_EFAULT; |
7034 |
goto fail;
|
7035 |
} |