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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 <grp.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/file.h> |
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#include <sys/fsuid.h> |
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#include <sys/personality.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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#ifdef __ia64__
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int __clone2(int (*fn)(void *), void *child_stack_base, |
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size_t stack_size, int flags, void *arg, ...); |
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#endif
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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 <linux/wireless.h> |
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#include <linux/icmp.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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#ifdef CONFIG_EPOLL
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#include <sys/epoll.h> |
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#endif
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#ifdef CONFIG_ATTR
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#include "qemu/xattr.h" |
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#endif
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#ifdef CONFIG_SENDFILE
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#include <sys/sendfile.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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#if defined(CONFIG_FIEMAP)
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#include <linux/fiemap.h> |
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#endif
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#include <linux/fb.h> |
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#include <linux/vt.h> |
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#include <linux/dm-ioctl.h> |
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#include <linux/reboot.h> |
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#include <linux/route.h> |
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#include <linux/filter.h> |
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#include <linux/blkpg.h> |
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#include "linux_loop.h" |
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#include "cpu-uname.h" |
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#include "qemu.h" |
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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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//#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_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_rt_sigqueueinfo __NR_rt_sigqueueinfo
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#define __NR_sys_syslog __NR_syslog
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#define __NR_sys_tgkill __NR_tgkill
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#define __NR_sys_tkill __NR_tkill
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#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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defined(__s390x__) |
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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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#ifdef __NR_getdents
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_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
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#endif
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#if !defined(__NR_getdents) || \
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(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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#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
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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(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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#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
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_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, |
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unsigned long *, user_mask_ptr); |
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#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
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_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, |
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unsigned long *, user_mask_ptr); |
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_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
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void *, arg);
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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_DSYNC, O_SYNC, O_DSYNC, }, |
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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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#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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#if defined(O_NOATIME)
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{ TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, |
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#endif
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#if defined(O_CLOEXEC)
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{ TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, |
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#endif
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#if defined(O_PATH)
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{ TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, |
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#endif
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/* Don't terminate the list prematurely on 64-bit host+guest. */
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#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 |
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{ TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, |
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#endif
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{ 0, 0, 0, 0 } |
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}; |
279 |
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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) |
286 |
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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); |
293 |
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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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memset(buf, 0, 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); |
310 |
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#undef COPY_UTSNAME_FIELD
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} |
313 |
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static int sys_getcwd1(char *buf, size_t size) |
315 |
{ |
316 |
if (getcwd(buf, size) == NULL) { |
317 |
/* getcwd() sets errno */
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return (-1); |
319 |
} |
320 |
return strlen(buf)+1; |
321 |
} |
322 |
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#ifdef TARGET_NR_openat
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static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode) |
325 |
{ |
326 |
/*
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* open(2) has extra parameter 'mode' when called with
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328 |
* flag O_CREAT.
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*/
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330 |
if ((flags & O_CREAT) != 0) { |
331 |
return (openat(dirfd, pathname, flags, mode));
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} |
333 |
return (openat(dirfd, pathname, flags));
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} |
335 |
#endif
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336 |
|
337 |
#ifdef TARGET_NR_utimensat
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#ifdef CONFIG_UTIMENSAT
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static int sys_utimensat(int dirfd, const char *pathname, |
340 |
const struct timespec times[2], int flags) |
341 |
{ |
342 |
if (pathname == NULL) |
343 |
return futimens(dirfd, times);
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else
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return utimensat(dirfd, pathname, times, flags);
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} |
347 |
#elif defined(__NR_utimensat)
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#define __NR_sys_utimensat __NR_utimensat
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_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
350 |
const struct timespec *,tsp,int,flags) |
351 |
#else
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static int sys_utimensat(int dirfd, const char *pathname, |
353 |
const struct timespec times[2], int flags) |
354 |
{ |
355 |
errno = ENOSYS; |
356 |
return -1; |
357 |
} |
358 |
#endif
|
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#endif /* TARGET_NR_utimensat */ |
360 |
|
361 |
#ifdef CONFIG_INOTIFY
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#include <sys/inotify.h> |
363 |
|
364 |
#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
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static int sys_inotify_init(void) |
366 |
{ |
367 |
return (inotify_init());
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} |
369 |
#endif
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#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
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static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
372 |
{ |
373 |
return (inotify_add_watch(fd, pathname, mask));
|
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} |
375 |
#endif
|
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#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
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static int sys_inotify_rm_watch(int fd, int32_t wd) |
378 |
{ |
379 |
return (inotify_rm_watch(fd, wd));
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} |
381 |
#endif
|
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#ifdef CONFIG_INOTIFY1
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#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
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static int sys_inotify_init1(int flags) |
385 |
{ |
386 |
return (inotify_init1(flags));
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} |
388 |
#endif
|
389 |
#endif
|
390 |
#else
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391 |
/* Userspace can usually survive runtime without inotify */
|
392 |
#undef TARGET_NR_inotify_init
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393 |
#undef TARGET_NR_inotify_init1
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394 |
#undef TARGET_NR_inotify_add_watch
|
395 |
#undef TARGET_NR_inotify_rm_watch
|
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#endif /* CONFIG_INOTIFY */ |
397 |
|
398 |
#if defined(TARGET_NR_ppoll)
|
399 |
#ifndef __NR_ppoll
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# define __NR_ppoll -1 |
401 |
#endif
|
402 |
#define __NR_sys_ppoll __NR_ppoll
|
403 |
_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds, |
404 |
struct timespec *, timeout, const __sigset_t *, sigmask, |
405 |
size_t, sigsetsize) |
406 |
#endif
|
407 |
|
408 |
#if defined(TARGET_NR_pselect6)
|
409 |
#ifndef __NR_pselect6
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# define __NR_pselect6 -1 |
411 |
#endif
|
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#define __NR_sys_pselect6 __NR_pselect6
|
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_syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, |
414 |
fd_set *, exceptfds, struct timespec *, timeout, void *, sig); |
415 |
#endif
|
416 |
|
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#if defined(TARGET_NR_prlimit64)
|
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#ifndef __NR_prlimit64
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# define __NR_prlimit64 -1 |
420 |
#endif
|
421 |
#define __NR_sys_prlimit64 __NR_prlimit64
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/* The glibc rlimit structure may not be that used by the underlying syscall */
|
423 |
struct host_rlimit64 {
|
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uint64_t rlim_cur; |
425 |
uint64_t rlim_max; |
426 |
}; |
427 |
_syscall4(int, sys_prlimit64, pid_t, pid, int, resource, |
428 |
const struct host_rlimit64 *, new_limit, |
429 |
struct host_rlimit64 *, old_limit)
|
430 |
#endif
|
431 |
|
432 |
|
433 |
#if defined(TARGET_NR_timer_create)
|
434 |
/* Maxiumum of 32 active POSIX timers allowed at any one time. */
|
435 |
static timer_t g_posix_timers[32] = { 0, } ; |
436 |
|
437 |
static inline int next_free_host_timer(void) |
438 |
{ |
439 |
int k ;
|
440 |
/* FIXME: Does finding the next free slot require a lock? */
|
441 |
for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) { |
442 |
if (g_posix_timers[k] == 0) { |
443 |
g_posix_timers[k] = (timer_t) 1;
|
444 |
return k;
|
445 |
} |
446 |
} |
447 |
return -1; |
448 |
} |
449 |
#endif
|
450 |
|
451 |
/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
|
452 |
#ifdef TARGET_ARM
|
453 |
static inline int regpairs_aligned(void *cpu_env) { |
454 |
return ((((CPUARMState *)cpu_env)->eabi) == 1) ; |
455 |
} |
456 |
#elif defined(TARGET_MIPS)
|
457 |
static inline int regpairs_aligned(void *cpu_env) { return 1; } |
458 |
#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
|
459 |
/* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
|
460 |
* of registers which translates to the same as ARM/MIPS, because we start with
|
461 |
* r3 as arg1 */
|
462 |
static inline int regpairs_aligned(void *cpu_env) { return 1; } |
463 |
#else
|
464 |
static inline int regpairs_aligned(void *cpu_env) { return 0; } |
465 |
#endif
|
466 |
|
467 |
#define ERRNO_TABLE_SIZE 1200 |
468 |
|
469 |
/* target_to_host_errno_table[] is initialized from
|
470 |
* host_to_target_errno_table[] in syscall_init(). */
|
471 |
static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
|
472 |
}; |
473 |
|
474 |
/*
|
475 |
* This list is the union of errno values overridden in asm-<arch>/errno.h
|
476 |
* minus the errnos that are not actually generic to all archs.
|
477 |
*/
|
478 |
static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
|
479 |
[EIDRM] = TARGET_EIDRM, |
480 |
[ECHRNG] = TARGET_ECHRNG, |
481 |
[EL2NSYNC] = TARGET_EL2NSYNC, |
482 |
[EL3HLT] = TARGET_EL3HLT, |
483 |
[EL3RST] = TARGET_EL3RST, |
484 |
[ELNRNG] = TARGET_ELNRNG, |
485 |
[EUNATCH] = TARGET_EUNATCH, |
486 |
[ENOCSI] = TARGET_ENOCSI, |
487 |
[EL2HLT] = TARGET_EL2HLT, |
488 |
[EDEADLK] = TARGET_EDEADLK, |
489 |
[ENOLCK] = TARGET_ENOLCK, |
490 |
[EBADE] = TARGET_EBADE, |
491 |
[EBADR] = TARGET_EBADR, |
492 |
[EXFULL] = TARGET_EXFULL, |
493 |
[ENOANO] = TARGET_ENOANO, |
494 |
[EBADRQC] = TARGET_EBADRQC, |
495 |
[EBADSLT] = TARGET_EBADSLT, |
496 |
[EBFONT] = TARGET_EBFONT, |
497 |
[ENOSTR] = TARGET_ENOSTR, |
498 |
[ENODATA] = TARGET_ENODATA, |
499 |
[ETIME] = TARGET_ETIME, |
500 |
[ENOSR] = TARGET_ENOSR, |
501 |
[ENONET] = TARGET_ENONET, |
502 |
[ENOPKG] = TARGET_ENOPKG, |
503 |
[EREMOTE] = TARGET_EREMOTE, |
504 |
[ENOLINK] = TARGET_ENOLINK, |
505 |
[EADV] = TARGET_EADV, |
506 |
[ESRMNT] = TARGET_ESRMNT, |
507 |
[ECOMM] = TARGET_ECOMM, |
508 |
[EPROTO] = TARGET_EPROTO, |
509 |
[EDOTDOT] = TARGET_EDOTDOT, |
510 |
[EMULTIHOP] = TARGET_EMULTIHOP, |
511 |
[EBADMSG] = TARGET_EBADMSG, |
512 |
[ENAMETOOLONG] = TARGET_ENAMETOOLONG, |
513 |
[EOVERFLOW] = TARGET_EOVERFLOW, |
514 |
[ENOTUNIQ] = TARGET_ENOTUNIQ, |
515 |
[EBADFD] = TARGET_EBADFD, |
516 |
[EREMCHG] = TARGET_EREMCHG, |
517 |
[ELIBACC] = TARGET_ELIBACC, |
518 |
[ELIBBAD] = TARGET_ELIBBAD, |
519 |
[ELIBSCN] = TARGET_ELIBSCN, |
520 |
[ELIBMAX] = TARGET_ELIBMAX, |
521 |
[ELIBEXEC] = TARGET_ELIBEXEC, |
522 |
[EILSEQ] = TARGET_EILSEQ, |
523 |
[ENOSYS] = TARGET_ENOSYS, |
524 |
[ELOOP] = TARGET_ELOOP, |
525 |
[ERESTART] = TARGET_ERESTART, |
526 |
[ESTRPIPE] = TARGET_ESTRPIPE, |
527 |
[ENOTEMPTY] = TARGET_ENOTEMPTY, |
528 |
[EUSERS] = TARGET_EUSERS, |
529 |
[ENOTSOCK] = TARGET_ENOTSOCK, |
530 |
[EDESTADDRREQ] = TARGET_EDESTADDRREQ, |
531 |
[EMSGSIZE] = TARGET_EMSGSIZE, |
532 |
[EPROTOTYPE] = TARGET_EPROTOTYPE, |
533 |
[ENOPROTOOPT] = TARGET_ENOPROTOOPT, |
534 |
[EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, |
535 |
[ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, |
536 |
[EOPNOTSUPP] = TARGET_EOPNOTSUPP, |
537 |
[EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, |
538 |
[EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, |
539 |
[EADDRINUSE] = TARGET_EADDRINUSE, |
540 |
[EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, |
541 |
[ENETDOWN] = TARGET_ENETDOWN, |
542 |
[ENETUNREACH] = TARGET_ENETUNREACH, |
543 |
[ENETRESET] = TARGET_ENETRESET, |
544 |
[ECONNABORTED] = TARGET_ECONNABORTED, |
545 |
[ECONNRESET] = TARGET_ECONNRESET, |
546 |
[ENOBUFS] = TARGET_ENOBUFS, |
547 |
[EISCONN] = TARGET_EISCONN, |
548 |
[ENOTCONN] = TARGET_ENOTCONN, |
549 |
[EUCLEAN] = TARGET_EUCLEAN, |
550 |
[ENOTNAM] = TARGET_ENOTNAM, |
551 |
[ENAVAIL] = TARGET_ENAVAIL, |
552 |
[EISNAM] = TARGET_EISNAM, |
553 |
[EREMOTEIO] = TARGET_EREMOTEIO, |
554 |
[ESHUTDOWN] = TARGET_ESHUTDOWN, |
555 |
[ETOOMANYREFS] = TARGET_ETOOMANYREFS, |
556 |
[ETIMEDOUT] = TARGET_ETIMEDOUT, |
557 |
[ECONNREFUSED] = TARGET_ECONNREFUSED, |
558 |
[EHOSTDOWN] = TARGET_EHOSTDOWN, |
559 |
[EHOSTUNREACH] = TARGET_EHOSTUNREACH, |
560 |
[EALREADY] = TARGET_EALREADY, |
561 |
[EINPROGRESS] = TARGET_EINPROGRESS, |
562 |
[ESTALE] = TARGET_ESTALE, |
563 |
[ECANCELED] = TARGET_ECANCELED, |
564 |
[ENOMEDIUM] = TARGET_ENOMEDIUM, |
565 |
[EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, |
566 |
#ifdef ENOKEY
|
567 |
[ENOKEY] = TARGET_ENOKEY, |
568 |
#endif
|
569 |
#ifdef EKEYEXPIRED
|
570 |
[EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
571 |
#endif
|
572 |
#ifdef EKEYREVOKED
|
573 |
[EKEYREVOKED] = TARGET_EKEYREVOKED, |
574 |
#endif
|
575 |
#ifdef EKEYREJECTED
|
576 |
[EKEYREJECTED] = TARGET_EKEYREJECTED, |
577 |
#endif
|
578 |
#ifdef EOWNERDEAD
|
579 |
[EOWNERDEAD] = TARGET_EOWNERDEAD, |
580 |
#endif
|
581 |
#ifdef ENOTRECOVERABLE
|
582 |
[ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
583 |
#endif
|
584 |
}; |
585 |
|
586 |
static inline int host_to_target_errno(int err) |
587 |
{ |
588 |
if(host_to_target_errno_table[err])
|
589 |
return host_to_target_errno_table[err];
|
590 |
return err;
|
591 |
} |
592 |
|
593 |
static inline int target_to_host_errno(int err) |
594 |
{ |
595 |
if (target_to_host_errno_table[err])
|
596 |
return target_to_host_errno_table[err];
|
597 |
return err;
|
598 |
} |
599 |
|
600 |
static inline abi_long get_errno(abi_long ret) |
601 |
{ |
602 |
if (ret == -1) |
603 |
return -host_to_target_errno(errno);
|
604 |
else
|
605 |
return ret;
|
606 |
} |
607 |
|
608 |
static inline int is_error(abi_long ret) |
609 |
{ |
610 |
return (abi_ulong)ret >= (abi_ulong)(-4096); |
611 |
} |
612 |
|
613 |
char *target_strerror(int err) |
614 |
{ |
615 |
if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
616 |
return NULL; |
617 |
} |
618 |
return strerror(target_to_host_errno(err));
|
619 |
} |
620 |
|
621 |
static abi_ulong target_brk;
|
622 |
static abi_ulong target_original_brk;
|
623 |
static abi_ulong brk_page;
|
624 |
|
625 |
void target_set_brk(abi_ulong new_brk)
|
626 |
{ |
627 |
target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
628 |
brk_page = HOST_PAGE_ALIGN(target_brk); |
629 |
} |
630 |
|
631 |
//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
|
632 |
#define DEBUGF_BRK(message, args...)
|
633 |
|
634 |
/* do_brk() must return target values and target errnos. */
|
635 |
abi_long do_brk(abi_ulong new_brk) |
636 |
{ |
637 |
abi_long mapped_addr; |
638 |
int new_alloc_size;
|
639 |
|
640 |
DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
641 |
|
642 |
if (!new_brk) {
|
643 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
|
644 |
return target_brk;
|
645 |
} |
646 |
if (new_brk < target_original_brk) {
|
647 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
|
648 |
target_brk); |
649 |
return target_brk;
|
650 |
} |
651 |
|
652 |
/* If the new brk is less than the highest page reserved to the
|
653 |
* target heap allocation, set it and we're almost done... */
|
654 |
if (new_brk <= brk_page) {
|
655 |
/* Heap contents are initialized to zero, as for anonymous
|
656 |
* mapped pages. */
|
657 |
if (new_brk > target_brk) {
|
658 |
memset(g2h(target_brk), 0, new_brk - target_brk);
|
659 |
} |
660 |
target_brk = new_brk; |
661 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
|
662 |
return target_brk;
|
663 |
} |
664 |
|
665 |
/* We need to allocate more memory after the brk... Note that
|
666 |
* we don't use MAP_FIXED because that will map over the top of
|
667 |
* any existing mapping (like the one with the host libc or qemu
|
668 |
* itself); instead we treat "mapped but at wrong address" as
|
669 |
* a failure and unmap again.
|
670 |
*/
|
671 |
new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
672 |
mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
673 |
PROT_READ|PROT_WRITE, |
674 |
MAP_ANON|MAP_PRIVATE, 0, 0)); |
675 |
|
676 |
if (mapped_addr == brk_page) {
|
677 |
/* Heap contents are initialized to zero, as for anonymous
|
678 |
* mapped pages. Technically the new pages are already
|
679 |
* initialized to zero since they *are* anonymous mapped
|
680 |
* pages, however we have to take care with the contents that
|
681 |
* come from the remaining part of the previous page: it may
|
682 |
* contains garbage data due to a previous heap usage (grown
|
683 |
* then shrunken). */
|
684 |
memset(g2h(target_brk), 0, brk_page - target_brk);
|
685 |
|
686 |
target_brk = new_brk; |
687 |
brk_page = HOST_PAGE_ALIGN(target_brk); |
688 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
|
689 |
target_brk); |
690 |
return target_brk;
|
691 |
} else if (mapped_addr != -1) { |
692 |
/* Mapped but at wrong address, meaning there wasn't actually
|
693 |
* enough space for this brk.
|
694 |
*/
|
695 |
target_munmap(mapped_addr, new_alloc_size); |
696 |
mapped_addr = -1;
|
697 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
|
698 |
} |
699 |
else {
|
700 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
|
701 |
} |
702 |
|
703 |
#if defined(TARGET_ALPHA)
|
704 |
/* We (partially) emulate OSF/1 on Alpha, which requires we
|
705 |
return a proper errno, not an unchanged brk value. */
|
706 |
return -TARGET_ENOMEM;
|
707 |
#endif
|
708 |
/* For everything else, return the previous break. */
|
709 |
return target_brk;
|
710 |
} |
711 |
|
712 |
static inline abi_long copy_from_user_fdset(fd_set *fds, |
713 |
abi_ulong target_fds_addr, |
714 |
int n)
|
715 |
{ |
716 |
int i, nw, j, k;
|
717 |
abi_ulong b, *target_fds; |
718 |
|
719 |
nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
|
720 |
if (!(target_fds = lock_user(VERIFY_READ,
|
721 |
target_fds_addr, |
722 |
sizeof(abi_ulong) * nw,
|
723 |
1)))
|
724 |
return -TARGET_EFAULT;
|
725 |
|
726 |
FD_ZERO(fds); |
727 |
k = 0;
|
728 |
for (i = 0; i < nw; i++) { |
729 |
/* grab the abi_ulong */
|
730 |
__get_user(b, &target_fds[i]); |
731 |
for (j = 0; j < TARGET_ABI_BITS; j++) { |
732 |
/* check the bit inside the abi_ulong */
|
733 |
if ((b >> j) & 1) |
734 |
FD_SET(k, fds); |
735 |
k++; |
736 |
} |
737 |
} |
738 |
|
739 |
unlock_user(target_fds, target_fds_addr, 0);
|
740 |
|
741 |
return 0; |
742 |
} |
743 |
|
744 |
static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
745 |
abi_ulong target_fds_addr, |
746 |
int n)
|
747 |
{ |
748 |
if (target_fds_addr) {
|
749 |
if (copy_from_user_fdset(fds, target_fds_addr, n))
|
750 |
return -TARGET_EFAULT;
|
751 |
*fds_ptr = fds; |
752 |
} else {
|
753 |
*fds_ptr = NULL;
|
754 |
} |
755 |
return 0; |
756 |
} |
757 |
|
758 |
static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
759 |
const fd_set *fds,
|
760 |
int n)
|
761 |
{ |
762 |
int i, nw, j, k;
|
763 |
abi_long v; |
764 |
abi_ulong *target_fds; |
765 |
|
766 |
nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
|
767 |
if (!(target_fds = lock_user(VERIFY_WRITE,
|
768 |
target_fds_addr, |
769 |
sizeof(abi_ulong) * nw,
|
770 |
0)))
|
771 |
return -TARGET_EFAULT;
|
772 |
|
773 |
k = 0;
|
774 |
for (i = 0; i < nw; i++) { |
775 |
v = 0;
|
776 |
for (j = 0; j < TARGET_ABI_BITS; j++) { |
777 |
v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
|
778 |
k++; |
779 |
} |
780 |
__put_user(v, &target_fds[i]); |
781 |
} |
782 |
|
783 |
unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
|
784 |
|
785 |
return 0; |
786 |
} |
787 |
|
788 |
#if defined(__alpha__)
|
789 |
#define HOST_HZ 1024 |
790 |
#else
|
791 |
#define HOST_HZ 100 |
792 |
#endif
|
793 |
|
794 |
static inline abi_long host_to_target_clock_t(long ticks) |
795 |
{ |
796 |
#if HOST_HZ == TARGET_HZ
|
797 |
return ticks;
|
798 |
#else
|
799 |
return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
|
800 |
#endif
|
801 |
} |
802 |
|
803 |
static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
804 |
const struct rusage *rusage) |
805 |
{ |
806 |
struct target_rusage *target_rusage;
|
807 |
|
808 |
if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
809 |
return -TARGET_EFAULT;
|
810 |
target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
811 |
target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); |
812 |
target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); |
813 |
target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); |
814 |
target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); |
815 |
target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); |
816 |
target_rusage->ru_idrss = tswapal(rusage->ru_idrss); |
817 |
target_rusage->ru_isrss = tswapal(rusage->ru_isrss); |
818 |
target_rusage->ru_minflt = tswapal(rusage->ru_minflt); |
819 |
target_rusage->ru_majflt = tswapal(rusage->ru_majflt); |
820 |
target_rusage->ru_nswap = tswapal(rusage->ru_nswap); |
821 |
target_rusage->ru_inblock = tswapal(rusage->ru_inblock); |
822 |
target_rusage->ru_oublock = tswapal(rusage->ru_oublock); |
823 |
target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); |
824 |
target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); |
825 |
target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); |
826 |
target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); |
827 |
target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); |
828 |
unlock_user_struct(target_rusage, target_addr, 1);
|
829 |
|
830 |
return 0; |
831 |
} |
832 |
|
833 |
static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
834 |
{ |
835 |
abi_ulong target_rlim_swap; |
836 |
rlim_t result; |
837 |
|
838 |
target_rlim_swap = tswapal(target_rlim); |
839 |
if (target_rlim_swap == TARGET_RLIM_INFINITY)
|
840 |
return RLIM_INFINITY;
|
841 |
|
842 |
result = target_rlim_swap; |
843 |
if (target_rlim_swap != (rlim_t)result)
|
844 |
return RLIM_INFINITY;
|
845 |
|
846 |
return result;
|
847 |
} |
848 |
|
849 |
static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
850 |
{ |
851 |
abi_ulong target_rlim_swap; |
852 |
abi_ulong result; |
853 |
|
854 |
if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
|
855 |
target_rlim_swap = TARGET_RLIM_INFINITY; |
856 |
else
|
857 |
target_rlim_swap = rlim; |
858 |
result = tswapal(target_rlim_swap); |
859 |
|
860 |
return result;
|
861 |
} |
862 |
|
863 |
static inline int target_to_host_resource(int code) |
864 |
{ |
865 |
switch (code) {
|
866 |
case TARGET_RLIMIT_AS:
|
867 |
return RLIMIT_AS;
|
868 |
case TARGET_RLIMIT_CORE:
|
869 |
return RLIMIT_CORE;
|
870 |
case TARGET_RLIMIT_CPU:
|
871 |
return RLIMIT_CPU;
|
872 |
case TARGET_RLIMIT_DATA:
|
873 |
return RLIMIT_DATA;
|
874 |
case TARGET_RLIMIT_FSIZE:
|
875 |
return RLIMIT_FSIZE;
|
876 |
case TARGET_RLIMIT_LOCKS:
|
877 |
return RLIMIT_LOCKS;
|
878 |
case TARGET_RLIMIT_MEMLOCK:
|
879 |
return RLIMIT_MEMLOCK;
|
880 |
case TARGET_RLIMIT_MSGQUEUE:
|
881 |
return RLIMIT_MSGQUEUE;
|
882 |
case TARGET_RLIMIT_NICE:
|
883 |
return RLIMIT_NICE;
|
884 |
case TARGET_RLIMIT_NOFILE:
|
885 |
return RLIMIT_NOFILE;
|
886 |
case TARGET_RLIMIT_NPROC:
|
887 |
return RLIMIT_NPROC;
|
888 |
case TARGET_RLIMIT_RSS:
|
889 |
return RLIMIT_RSS;
|
890 |
case TARGET_RLIMIT_RTPRIO:
|
891 |
return RLIMIT_RTPRIO;
|
892 |
case TARGET_RLIMIT_SIGPENDING:
|
893 |
return RLIMIT_SIGPENDING;
|
894 |
case TARGET_RLIMIT_STACK:
|
895 |
return RLIMIT_STACK;
|
896 |
default:
|
897 |
return code;
|
898 |
} |
899 |
} |
900 |
|
901 |
static inline abi_long copy_from_user_timeval(struct timeval *tv, |
902 |
abi_ulong target_tv_addr) |
903 |
{ |
904 |
struct target_timeval *target_tv;
|
905 |
|
906 |
if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
907 |
return -TARGET_EFAULT;
|
908 |
|
909 |
__get_user(tv->tv_sec, &target_tv->tv_sec); |
910 |
__get_user(tv->tv_usec, &target_tv->tv_usec); |
911 |
|
912 |
unlock_user_struct(target_tv, target_tv_addr, 0);
|
913 |
|
914 |
return 0; |
915 |
} |
916 |
|
917 |
static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
918 |
const struct timeval *tv) |
919 |
{ |
920 |
struct target_timeval *target_tv;
|
921 |
|
922 |
if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
923 |
return -TARGET_EFAULT;
|
924 |
|
925 |
__put_user(tv->tv_sec, &target_tv->tv_sec); |
926 |
__put_user(tv->tv_usec, &target_tv->tv_usec); |
927 |
|
928 |
unlock_user_struct(target_tv, target_tv_addr, 1);
|
929 |
|
930 |
return 0; |
931 |
} |
932 |
|
933 |
#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
|
934 |
#include <mqueue.h> |
935 |
|
936 |
static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
937 |
abi_ulong target_mq_attr_addr) |
938 |
{ |
939 |
struct target_mq_attr *target_mq_attr;
|
940 |
|
941 |
if (!lock_user_struct(VERIFY_READ, target_mq_attr,
|
942 |
target_mq_attr_addr, 1))
|
943 |
return -TARGET_EFAULT;
|
944 |
|
945 |
__get_user(attr->mq_flags, &target_mq_attr->mq_flags); |
946 |
__get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); |
947 |
__get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); |
948 |
__get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); |
949 |
|
950 |
unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
|
951 |
|
952 |
return 0; |
953 |
} |
954 |
|
955 |
static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, |
956 |
const struct mq_attr *attr) |
957 |
{ |
958 |
struct target_mq_attr *target_mq_attr;
|
959 |
|
960 |
if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
|
961 |
target_mq_attr_addr, 0))
|
962 |
return -TARGET_EFAULT;
|
963 |
|
964 |
__put_user(attr->mq_flags, &target_mq_attr->mq_flags); |
965 |
__put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); |
966 |
__put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); |
967 |
__put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); |
968 |
|
969 |
unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
|
970 |
|
971 |
return 0; |
972 |
} |
973 |
#endif
|
974 |
|
975 |
#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
|
976 |
/* do_select() must return target values and target errnos. */
|
977 |
static abi_long do_select(int n, |
978 |
abi_ulong rfd_addr, abi_ulong wfd_addr, |
979 |
abi_ulong efd_addr, abi_ulong target_tv_addr) |
980 |
{ |
981 |
fd_set rfds, wfds, efds; |
982 |
fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; |
983 |
struct timeval tv, *tv_ptr;
|
984 |
abi_long ret; |
985 |
|
986 |
ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
987 |
if (ret) {
|
988 |
return ret;
|
989 |
} |
990 |
ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
991 |
if (ret) {
|
992 |
return ret;
|
993 |
} |
994 |
ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
995 |
if (ret) {
|
996 |
return ret;
|
997 |
} |
998 |
|
999 |
if (target_tv_addr) {
|
1000 |
if (copy_from_user_timeval(&tv, target_tv_addr))
|
1001 |
return -TARGET_EFAULT;
|
1002 |
tv_ptr = &tv; |
1003 |
} else {
|
1004 |
tv_ptr = NULL;
|
1005 |
} |
1006 |
|
1007 |
ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
1008 |
|
1009 |
if (!is_error(ret)) {
|
1010 |
if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
|
1011 |
return -TARGET_EFAULT;
|
1012 |
if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
|
1013 |
return -TARGET_EFAULT;
|
1014 |
if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
|
1015 |
return -TARGET_EFAULT;
|
1016 |
|
1017 |
if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
|
1018 |
return -TARGET_EFAULT;
|
1019 |
} |
1020 |
|
1021 |
return ret;
|
1022 |
} |
1023 |
#endif
|
1024 |
|
1025 |
static abi_long do_pipe2(int host_pipe[], int flags) |
1026 |
{ |
1027 |
#ifdef CONFIG_PIPE2
|
1028 |
return pipe2(host_pipe, flags);
|
1029 |
#else
|
1030 |
return -ENOSYS;
|
1031 |
#endif
|
1032 |
} |
1033 |
|
1034 |
static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1035 |
int flags, int is_pipe2) |
1036 |
{ |
1037 |
int host_pipe[2]; |
1038 |
abi_long ret; |
1039 |
ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); |
1040 |
|
1041 |
if (is_error(ret))
|
1042 |
return get_errno(ret);
|
1043 |
|
1044 |
/* Several targets have special calling conventions for the original
|
1045 |
pipe syscall, but didn't replicate this into the pipe2 syscall. */
|
1046 |
if (!is_pipe2) {
|
1047 |
#if defined(TARGET_ALPHA)
|
1048 |
((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
|
1049 |
return host_pipe[0]; |
1050 |
#elif defined(TARGET_MIPS)
|
1051 |
((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; |
1052 |
return host_pipe[0]; |
1053 |
#elif defined(TARGET_SH4)
|
1054 |
((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
1055 |
return host_pipe[0]; |
1056 |
#elif defined(TARGET_SPARC)
|
1057 |
((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1]; |
1058 |
return host_pipe[0]; |
1059 |
#endif
|
1060 |
} |
1061 |
|
1062 |
if (put_user_s32(host_pipe[0], pipedes) |
1063 |
|| put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) |
1064 |
return -TARGET_EFAULT;
|
1065 |
return get_errno(ret);
|
1066 |
} |
1067 |
|
1068 |
static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1069 |
abi_ulong target_addr, |
1070 |
socklen_t len) |
1071 |
{ |
1072 |
struct target_ip_mreqn *target_smreqn;
|
1073 |
|
1074 |
target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
|
1075 |
if (!target_smreqn)
|
1076 |
return -TARGET_EFAULT;
|
1077 |
mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; |
1078 |
mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; |
1079 |
if (len == sizeof(struct target_ip_mreqn)) |
1080 |
mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
1081 |
unlock_user(target_smreqn, target_addr, 0);
|
1082 |
|
1083 |
return 0; |
1084 |
} |
1085 |
|
1086 |
static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, |
1087 |
abi_ulong target_addr, |
1088 |
socklen_t len) |
1089 |
{ |
1090 |
const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1091 |
sa_family_t sa_family; |
1092 |
struct target_sockaddr *target_saddr;
|
1093 |
|
1094 |
target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
|
1095 |
if (!target_saddr)
|
1096 |
return -TARGET_EFAULT;
|
1097 |
|
1098 |
sa_family = tswap16(target_saddr->sa_family); |
1099 |
|
1100 |
/* Oops. The caller might send a incomplete sun_path; sun_path
|
1101 |
* must be terminated by \0 (see the manual page), but
|
1102 |
* unfortunately it is quite common to specify sockaddr_un
|
1103 |
* length as "strlen(x->sun_path)" while it should be
|
1104 |
* "strlen(...) + 1". We'll fix that here if needed.
|
1105 |
* Linux kernel has a similar feature.
|
1106 |
*/
|
1107 |
|
1108 |
if (sa_family == AF_UNIX) {
|
1109 |
if (len < unix_maxlen && len > 0) { |
1110 |
char *cp = (char*)target_saddr; |
1111 |
|
1112 |
if ( cp[len-1] && !cp[len] ) |
1113 |
len++; |
1114 |
} |
1115 |
if (len > unix_maxlen)
|
1116 |
len = unix_maxlen; |
1117 |
} |
1118 |
|
1119 |
memcpy(addr, target_saddr, len); |
1120 |
addr->sa_family = sa_family; |
1121 |
unlock_user(target_saddr, target_addr, 0);
|
1122 |
|
1123 |
return 0; |
1124 |
} |
1125 |
|
1126 |
static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1127 |
struct sockaddr *addr,
|
1128 |
socklen_t len) |
1129 |
{ |
1130 |
struct target_sockaddr *target_saddr;
|
1131 |
|
1132 |
target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
|
1133 |
if (!target_saddr)
|
1134 |
return -TARGET_EFAULT;
|
1135 |
memcpy(target_saddr, addr, len); |
1136 |
target_saddr->sa_family = tswap16(addr->sa_family); |
1137 |
unlock_user(target_saddr, target_addr, len); |
1138 |
|
1139 |
return 0; |
1140 |
} |
1141 |
|
1142 |
static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1143 |
struct target_msghdr *target_msgh)
|
1144 |
{ |
1145 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
1146 |
abi_long msg_controllen; |
1147 |
abi_ulong target_cmsg_addr; |
1148 |
struct target_cmsghdr *target_cmsg;
|
1149 |
socklen_t space = 0;
|
1150 |
|
1151 |
msg_controllen = tswapal(target_msgh->msg_controllen); |
1152 |
if (msg_controllen < sizeof (struct target_cmsghdr)) |
1153 |
goto the_end;
|
1154 |
target_cmsg_addr = tswapal(target_msgh->msg_control); |
1155 |
target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
|
1156 |
if (!target_cmsg)
|
1157 |
return -TARGET_EFAULT;
|
1158 |
|
1159 |
while (cmsg && target_cmsg) {
|
1160 |
void *data = CMSG_DATA(cmsg);
|
1161 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
1162 |
|
1163 |
int len = tswapal(target_cmsg->cmsg_len)
|
1164 |
- TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
1165 |
|
1166 |
space += CMSG_SPACE(len); |
1167 |
if (space > msgh->msg_controllen) {
|
1168 |
space -= CMSG_SPACE(len); |
1169 |
gemu_log("Host cmsg overflow\n");
|
1170 |
break;
|
1171 |
} |
1172 |
|
1173 |
if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
|
1174 |
cmsg->cmsg_level = SOL_SOCKET; |
1175 |
} else {
|
1176 |
cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); |
1177 |
} |
1178 |
cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1179 |
cmsg->cmsg_len = CMSG_LEN(len); |
1180 |
|
1181 |
if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
1182 |
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
1183 |
memcpy(data, target_data, len); |
1184 |
} else {
|
1185 |
int *fd = (int *)data; |
1186 |
int *target_fd = (int *)target_data; |
1187 |
int i, numfds = len / sizeof(int); |
1188 |
|
1189 |
for (i = 0; i < numfds; i++) |
1190 |
fd[i] = tswap32(target_fd[i]); |
1191 |
} |
1192 |
|
1193 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
1194 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
1195 |
} |
1196 |
unlock_user(target_cmsg, target_cmsg_addr, 0);
|
1197 |
the_end:
|
1198 |
msgh->msg_controllen = space; |
1199 |
return 0; |
1200 |
} |
1201 |
|
1202 |
static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1203 |
struct msghdr *msgh)
|
1204 |
{ |
1205 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
1206 |
abi_long msg_controllen; |
1207 |
abi_ulong target_cmsg_addr; |
1208 |
struct target_cmsghdr *target_cmsg;
|
1209 |
socklen_t space = 0;
|
1210 |
|
1211 |
msg_controllen = tswapal(target_msgh->msg_controllen); |
1212 |
if (msg_controllen < sizeof (struct target_cmsghdr)) |
1213 |
goto the_end;
|
1214 |
target_cmsg_addr = tswapal(target_msgh->msg_control); |
1215 |
target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
|
1216 |
if (!target_cmsg)
|
1217 |
return -TARGET_EFAULT;
|
1218 |
|
1219 |
while (cmsg && target_cmsg) {
|
1220 |
void *data = CMSG_DATA(cmsg);
|
1221 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
1222 |
|
1223 |
int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); |
1224 |
|
1225 |
space += TARGET_CMSG_SPACE(len); |
1226 |
if (space > msg_controllen) {
|
1227 |
space -= TARGET_CMSG_SPACE(len); |
1228 |
gemu_log("Target cmsg overflow\n");
|
1229 |
break;
|
1230 |
} |
1231 |
|
1232 |
if (cmsg->cmsg_level == SOL_SOCKET) {
|
1233 |
target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); |
1234 |
} else {
|
1235 |
target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); |
1236 |
} |
1237 |
target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
1238 |
target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len)); |
1239 |
|
1240 |
if ((cmsg->cmsg_level == SOL_SOCKET) &&
|
1241 |
(cmsg->cmsg_type == SCM_RIGHTS)) { |
1242 |
int *fd = (int *)data; |
1243 |
int *target_fd = (int *)target_data; |
1244 |
int i, numfds = len / sizeof(int); |
1245 |
|
1246 |
for (i = 0; i < numfds; i++) |
1247 |
target_fd[i] = tswap32(fd[i]); |
1248 |
} else if ((cmsg->cmsg_level == SOL_SOCKET) && |
1249 |
(cmsg->cmsg_type == SO_TIMESTAMP) && |
1250 |
(len == sizeof(struct timeval))) { |
1251 |
/* copy struct timeval to target */
|
1252 |
struct timeval *tv = (struct timeval *)data; |
1253 |
struct target_timeval *target_tv =
|
1254 |
(struct target_timeval *)target_data;
|
1255 |
|
1256 |
target_tv->tv_sec = tswapal(tv->tv_sec); |
1257 |
target_tv->tv_usec = tswapal(tv->tv_usec); |
1258 |
} else {
|
1259 |
gemu_log("Unsupported ancillary data: %d/%d\n",
|
1260 |
cmsg->cmsg_level, cmsg->cmsg_type); |
1261 |
memcpy(target_data, data, len); |
1262 |
} |
1263 |
|
1264 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
1265 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
1266 |
} |
1267 |
unlock_user(target_cmsg, target_cmsg_addr, space); |
1268 |
the_end:
|
1269 |
target_msgh->msg_controllen = tswapal(space); |
1270 |
return 0; |
1271 |
} |
1272 |
|
1273 |
/* do_setsockopt() Must return target values and target errnos. */
|
1274 |
static abi_long do_setsockopt(int sockfd, int level, int optname, |
1275 |
abi_ulong optval_addr, socklen_t optlen) |
1276 |
{ |
1277 |
abi_long ret; |
1278 |
int val;
|
1279 |
struct ip_mreqn *ip_mreq;
|
1280 |
struct ip_mreq_source *ip_mreq_source;
|
1281 |
|
1282 |
switch(level) {
|
1283 |
case SOL_TCP:
|
1284 |
/* TCP options all take an 'int' value. */
|
1285 |
if (optlen < sizeof(uint32_t)) |
1286 |
return -TARGET_EINVAL;
|
1287 |
|
1288 |
if (get_user_u32(val, optval_addr))
|
1289 |
return -TARGET_EFAULT;
|
1290 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
1291 |
break;
|
1292 |
case SOL_IP:
|
1293 |
switch(optname) {
|
1294 |
case IP_TOS:
|
1295 |
case IP_TTL:
|
1296 |
case IP_HDRINCL:
|
1297 |
case IP_ROUTER_ALERT:
|
1298 |
case IP_RECVOPTS:
|
1299 |
case IP_RETOPTS:
|
1300 |
case IP_PKTINFO:
|
1301 |
case IP_MTU_DISCOVER:
|
1302 |
case IP_RECVERR:
|
1303 |
case IP_RECVTOS:
|
1304 |
#ifdef IP_FREEBIND
|
1305 |
case IP_FREEBIND:
|
1306 |
#endif
|
1307 |
case IP_MULTICAST_TTL:
|
1308 |
case IP_MULTICAST_LOOP:
|
1309 |
val = 0;
|
1310 |
if (optlen >= sizeof(uint32_t)) { |
1311 |
if (get_user_u32(val, optval_addr))
|
1312 |
return -TARGET_EFAULT;
|
1313 |
} else if (optlen >= 1) { |
1314 |
if (get_user_u8(val, optval_addr))
|
1315 |
return -TARGET_EFAULT;
|
1316 |
} |
1317 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
1318 |
break;
|
1319 |
case IP_ADD_MEMBERSHIP:
|
1320 |
case IP_DROP_MEMBERSHIP:
|
1321 |
if (optlen < sizeof (struct target_ip_mreq) || |
1322 |
optlen > sizeof (struct target_ip_mreqn)) |
1323 |
return -TARGET_EINVAL;
|
1324 |
|
1325 |
ip_mreq = (struct ip_mreqn *) alloca(optlen);
|
1326 |
target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); |
1327 |
ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); |
1328 |
break;
|
1329 |
|
1330 |
case IP_BLOCK_SOURCE:
|
1331 |
case IP_UNBLOCK_SOURCE:
|
1332 |
case IP_ADD_SOURCE_MEMBERSHIP:
|
1333 |
case IP_DROP_SOURCE_MEMBERSHIP:
|
1334 |
if (optlen != sizeof (struct target_ip_mreq_source)) |
1335 |
return -TARGET_EINVAL;
|
1336 |
|
1337 |
ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
|
1338 |
ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); |
1339 |
unlock_user (ip_mreq_source, optval_addr, 0);
|
1340 |
break;
|
1341 |
|
1342 |
default:
|
1343 |
goto unimplemented;
|
1344 |
} |
1345 |
break;
|
1346 |
case SOL_IPV6:
|
1347 |
switch (optname) {
|
1348 |
case IPV6_MTU_DISCOVER:
|
1349 |
case IPV6_MTU:
|
1350 |
case IPV6_V6ONLY:
|
1351 |
case IPV6_RECVPKTINFO:
|
1352 |
val = 0;
|
1353 |
if (optlen < sizeof(uint32_t)) { |
1354 |
return -TARGET_EINVAL;
|
1355 |
} |
1356 |
if (get_user_u32(val, optval_addr)) {
|
1357 |
return -TARGET_EFAULT;
|
1358 |
} |
1359 |
ret = get_errno(setsockopt(sockfd, level, optname, |
1360 |
&val, sizeof(val)));
|
1361 |
break;
|
1362 |
default:
|
1363 |
goto unimplemented;
|
1364 |
} |
1365 |
break;
|
1366 |
case SOL_RAW:
|
1367 |
switch (optname) {
|
1368 |
case ICMP_FILTER:
|
1369 |
/* struct icmp_filter takes an u32 value */
|
1370 |
if (optlen < sizeof(uint32_t)) { |
1371 |
return -TARGET_EINVAL;
|
1372 |
} |
1373 |
|
1374 |
if (get_user_u32(val, optval_addr)) {
|
1375 |
return -TARGET_EFAULT;
|
1376 |
} |
1377 |
ret = get_errno(setsockopt(sockfd, level, optname, |
1378 |
&val, sizeof(val)));
|
1379 |
break;
|
1380 |
|
1381 |
default:
|
1382 |
goto unimplemented;
|
1383 |
} |
1384 |
break;
|
1385 |
case TARGET_SOL_SOCKET:
|
1386 |
switch (optname) {
|
1387 |
case TARGET_SO_RCVTIMEO:
|
1388 |
{ |
1389 |
struct timeval tv;
|
1390 |
|
1391 |
optname = SO_RCVTIMEO; |
1392 |
|
1393 |
set_timeout:
|
1394 |
if (optlen != sizeof(struct target_timeval)) { |
1395 |
return -TARGET_EINVAL;
|
1396 |
} |
1397 |
|
1398 |
if (copy_from_user_timeval(&tv, optval_addr)) {
|
1399 |
return -TARGET_EFAULT;
|
1400 |
} |
1401 |
|
1402 |
ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, |
1403 |
&tv, sizeof(tv)));
|
1404 |
return ret;
|
1405 |
} |
1406 |
case TARGET_SO_SNDTIMEO:
|
1407 |
optname = SO_SNDTIMEO; |
1408 |
goto set_timeout;
|
1409 |
case TARGET_SO_ATTACH_FILTER:
|
1410 |
{ |
1411 |
struct target_sock_fprog *tfprog;
|
1412 |
struct target_sock_filter *tfilter;
|
1413 |
struct sock_fprog fprog;
|
1414 |
struct sock_filter *filter;
|
1415 |
int i;
|
1416 |
|
1417 |
if (optlen != sizeof(*tfprog)) { |
1418 |
return -TARGET_EINVAL;
|
1419 |
} |
1420 |
if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { |
1421 |
return -TARGET_EFAULT;
|
1422 |
} |
1423 |
if (!lock_user_struct(VERIFY_READ, tfilter,
|
1424 |
tswapal(tfprog->filter), 0)) {
|
1425 |
unlock_user_struct(tfprog, optval_addr, 1);
|
1426 |
return -TARGET_EFAULT;
|
1427 |
} |
1428 |
|
1429 |
fprog.len = tswap16(tfprog->len); |
1430 |
filter = malloc(fprog.len * sizeof(*filter));
|
1431 |
if (filter == NULL) { |
1432 |
unlock_user_struct(tfilter, tfprog->filter, 1);
|
1433 |
unlock_user_struct(tfprog, optval_addr, 1);
|
1434 |
return -TARGET_ENOMEM;
|
1435 |
} |
1436 |
for (i = 0; i < fprog.len; i++) { |
1437 |
filter[i].code = tswap16(tfilter[i].code); |
1438 |
filter[i].jt = tfilter[i].jt; |
1439 |
filter[i].jf = tfilter[i].jf; |
1440 |
filter[i].k = tswap32(tfilter[i].k); |
1441 |
} |
1442 |
fprog.filter = filter; |
1443 |
|
1444 |
ret = get_errno(setsockopt(sockfd, SOL_SOCKET, |
1445 |
SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
|
1446 |
free(filter); |
1447 |
|
1448 |
unlock_user_struct(tfilter, tfprog->filter, 1);
|
1449 |
unlock_user_struct(tfprog, optval_addr, 1);
|
1450 |
return ret;
|
1451 |
} |
1452 |
/* Options with 'int' argument. */
|
1453 |
case TARGET_SO_DEBUG:
|
1454 |
optname = SO_DEBUG; |
1455 |
break;
|
1456 |
case TARGET_SO_REUSEADDR:
|
1457 |
optname = SO_REUSEADDR; |
1458 |
break;
|
1459 |
case TARGET_SO_TYPE:
|
1460 |
optname = SO_TYPE; |
1461 |
break;
|
1462 |
case TARGET_SO_ERROR:
|
1463 |
optname = SO_ERROR; |
1464 |
break;
|
1465 |
case TARGET_SO_DONTROUTE:
|
1466 |
optname = SO_DONTROUTE; |
1467 |
break;
|
1468 |
case TARGET_SO_BROADCAST:
|
1469 |
optname = SO_BROADCAST; |
1470 |
break;
|
1471 |
case TARGET_SO_SNDBUF:
|
1472 |
optname = SO_SNDBUF; |
1473 |
break;
|
1474 |
case TARGET_SO_RCVBUF:
|
1475 |
optname = SO_RCVBUF; |
1476 |
break;
|
1477 |
case TARGET_SO_KEEPALIVE:
|
1478 |
optname = SO_KEEPALIVE; |
1479 |
break;
|
1480 |
case TARGET_SO_OOBINLINE:
|
1481 |
optname = SO_OOBINLINE; |
1482 |
break;
|
1483 |
case TARGET_SO_NO_CHECK:
|
1484 |
optname = SO_NO_CHECK; |
1485 |
break;
|
1486 |
case TARGET_SO_PRIORITY:
|
1487 |
optname = SO_PRIORITY; |
1488 |
break;
|
1489 |
#ifdef SO_BSDCOMPAT
|
1490 |
case TARGET_SO_BSDCOMPAT:
|
1491 |
optname = SO_BSDCOMPAT; |
1492 |
break;
|
1493 |
#endif
|
1494 |
case TARGET_SO_PASSCRED:
|
1495 |
optname = SO_PASSCRED; |
1496 |
break;
|
1497 |
case TARGET_SO_TIMESTAMP:
|
1498 |
optname = SO_TIMESTAMP; |
1499 |
break;
|
1500 |
case TARGET_SO_RCVLOWAT:
|
1501 |
optname = SO_RCVLOWAT; |
1502 |
break;
|
1503 |
break;
|
1504 |
default:
|
1505 |
goto unimplemented;
|
1506 |
} |
1507 |
if (optlen < sizeof(uint32_t)) |
1508 |
return -TARGET_EINVAL;
|
1509 |
|
1510 |
if (get_user_u32(val, optval_addr))
|
1511 |
return -TARGET_EFAULT;
|
1512 |
ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
|
1513 |
break;
|
1514 |
default:
|
1515 |
unimplemented:
|
1516 |
gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
|
1517 |
ret = -TARGET_ENOPROTOOPT; |
1518 |
} |
1519 |
return ret;
|
1520 |
} |
1521 |
|
1522 |
/* do_getsockopt() Must return target values and target errnos. */
|
1523 |
static abi_long do_getsockopt(int sockfd, int level, int optname, |
1524 |
abi_ulong optval_addr, abi_ulong optlen) |
1525 |
{ |
1526 |
abi_long ret; |
1527 |
int len, val;
|
1528 |
socklen_t lv; |
1529 |
|
1530 |
switch(level) {
|
1531 |
case TARGET_SOL_SOCKET:
|
1532 |
level = SOL_SOCKET; |
1533 |
switch (optname) {
|
1534 |
/* These don't just return a single integer */
|
1535 |
case TARGET_SO_LINGER:
|
1536 |
case TARGET_SO_RCVTIMEO:
|
1537 |
case TARGET_SO_SNDTIMEO:
|
1538 |
case TARGET_SO_PEERNAME:
|
1539 |
goto unimplemented;
|
1540 |
case TARGET_SO_PEERCRED: {
|
1541 |
struct ucred cr;
|
1542 |
socklen_t crlen; |
1543 |
struct target_ucred *tcr;
|
1544 |
|
1545 |
if (get_user_u32(len, optlen)) {
|
1546 |
return -TARGET_EFAULT;
|
1547 |
} |
1548 |
if (len < 0) { |
1549 |
return -TARGET_EINVAL;
|
1550 |
} |
1551 |
|
1552 |
crlen = sizeof(cr);
|
1553 |
ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, |
1554 |
&cr, &crlen)); |
1555 |
if (ret < 0) { |
1556 |
return ret;
|
1557 |
} |
1558 |
if (len > crlen) {
|
1559 |
len = crlen; |
1560 |
} |
1561 |
if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { |
1562 |
return -TARGET_EFAULT;
|
1563 |
} |
1564 |
__put_user(cr.pid, &tcr->pid); |
1565 |
__put_user(cr.uid, &tcr->uid); |
1566 |
__put_user(cr.gid, &tcr->gid); |
1567 |
unlock_user_struct(tcr, optval_addr, 1);
|
1568 |
if (put_user_u32(len, optlen)) {
|
1569 |
return -TARGET_EFAULT;
|
1570 |
} |
1571 |
break;
|
1572 |
} |
1573 |
/* Options with 'int' argument. */
|
1574 |
case TARGET_SO_DEBUG:
|
1575 |
optname = SO_DEBUG; |
1576 |
goto int_case;
|
1577 |
case TARGET_SO_REUSEADDR:
|
1578 |
optname = SO_REUSEADDR; |
1579 |
goto int_case;
|
1580 |
case TARGET_SO_TYPE:
|
1581 |
optname = SO_TYPE; |
1582 |
goto int_case;
|
1583 |
case TARGET_SO_ERROR:
|
1584 |
optname = SO_ERROR; |
1585 |
goto int_case;
|
1586 |
case TARGET_SO_DONTROUTE:
|
1587 |
optname = SO_DONTROUTE; |
1588 |
goto int_case;
|
1589 |
case TARGET_SO_BROADCAST:
|
1590 |
optname = SO_BROADCAST; |
1591 |
goto int_case;
|
1592 |
case TARGET_SO_SNDBUF:
|
1593 |
optname = SO_SNDBUF; |
1594 |
goto int_case;
|
1595 |
case TARGET_SO_RCVBUF:
|
1596 |
optname = SO_RCVBUF; |
1597 |
goto int_case;
|
1598 |
case TARGET_SO_KEEPALIVE:
|
1599 |
optname = SO_KEEPALIVE; |
1600 |
goto int_case;
|
1601 |
case TARGET_SO_OOBINLINE:
|
1602 |
optname = SO_OOBINLINE; |
1603 |
goto int_case;
|
1604 |
case TARGET_SO_NO_CHECK:
|
1605 |
optname = SO_NO_CHECK; |
1606 |
goto int_case;
|
1607 |
case TARGET_SO_PRIORITY:
|
1608 |
optname = SO_PRIORITY; |
1609 |
goto int_case;
|
1610 |
#ifdef SO_BSDCOMPAT
|
1611 |
case TARGET_SO_BSDCOMPAT:
|
1612 |
optname = SO_BSDCOMPAT; |
1613 |
goto int_case;
|
1614 |
#endif
|
1615 |
case TARGET_SO_PASSCRED:
|
1616 |
optname = SO_PASSCRED; |
1617 |
goto int_case;
|
1618 |
case TARGET_SO_TIMESTAMP:
|
1619 |
optname = SO_TIMESTAMP; |
1620 |
goto int_case;
|
1621 |
case TARGET_SO_RCVLOWAT:
|
1622 |
optname = SO_RCVLOWAT; |
1623 |
goto int_case;
|
1624 |
default:
|
1625 |
goto int_case;
|
1626 |
} |
1627 |
break;
|
1628 |
case SOL_TCP:
|
1629 |
/* TCP options all take an 'int' value. */
|
1630 |
int_case:
|
1631 |
if (get_user_u32(len, optlen))
|
1632 |
return -TARGET_EFAULT;
|
1633 |
if (len < 0) |
1634 |
return -TARGET_EINVAL;
|
1635 |
lv = sizeof(lv);
|
1636 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1637 |
if (ret < 0) |
1638 |
return ret;
|
1639 |
if (len > lv)
|
1640 |
len = lv; |
1641 |
if (len == 4) { |
1642 |
if (put_user_u32(val, optval_addr))
|
1643 |
return -TARGET_EFAULT;
|
1644 |
} else {
|
1645 |
if (put_user_u8(val, optval_addr))
|
1646 |
return -TARGET_EFAULT;
|
1647 |
} |
1648 |
if (put_user_u32(len, optlen))
|
1649 |
return -TARGET_EFAULT;
|
1650 |
break;
|
1651 |
case SOL_IP:
|
1652 |
switch(optname) {
|
1653 |
case IP_TOS:
|
1654 |
case IP_TTL:
|
1655 |
case IP_HDRINCL:
|
1656 |
case IP_ROUTER_ALERT:
|
1657 |
case IP_RECVOPTS:
|
1658 |
case IP_RETOPTS:
|
1659 |
case IP_PKTINFO:
|
1660 |
case IP_MTU_DISCOVER:
|
1661 |
case IP_RECVERR:
|
1662 |
case IP_RECVTOS:
|
1663 |
#ifdef IP_FREEBIND
|
1664 |
case IP_FREEBIND:
|
1665 |
#endif
|
1666 |
case IP_MULTICAST_TTL:
|
1667 |
case IP_MULTICAST_LOOP:
|
1668 |
if (get_user_u32(len, optlen))
|
1669 |
return -TARGET_EFAULT;
|
1670 |
if (len < 0) |
1671 |
return -TARGET_EINVAL;
|
1672 |
lv = sizeof(lv);
|
1673 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1674 |
if (ret < 0) |
1675 |
return ret;
|
1676 |
if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
1677 |
len = 1;
|
1678 |
if (put_user_u32(len, optlen)
|
1679 |
|| put_user_u8(val, optval_addr)) |
1680 |
return -TARGET_EFAULT;
|
1681 |
} else {
|
1682 |
if (len > sizeof(int)) |
1683 |
len = sizeof(int); |
1684 |
if (put_user_u32(len, optlen)
|
1685 |
|| put_user_u32(val, optval_addr)) |
1686 |
return -TARGET_EFAULT;
|
1687 |
} |
1688 |
break;
|
1689 |
default:
|
1690 |
ret = -TARGET_ENOPROTOOPT; |
1691 |
break;
|
1692 |
} |
1693 |
break;
|
1694 |
default:
|
1695 |
unimplemented:
|
1696 |
gemu_log("getsockopt level=%d optname=%d not yet supported\n",
|
1697 |
level, optname); |
1698 |
ret = -TARGET_EOPNOTSUPP; |
1699 |
break;
|
1700 |
} |
1701 |
return ret;
|
1702 |
} |
1703 |
|
1704 |
static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
1705 |
int count, int copy) |
1706 |
{ |
1707 |
struct target_iovec *target_vec;
|
1708 |
struct iovec *vec;
|
1709 |
abi_ulong total_len, max_len; |
1710 |
int i;
|
1711 |
int err = 0; |
1712 |
|
1713 |
if (count == 0) { |
1714 |
errno = 0;
|
1715 |
return NULL; |
1716 |
} |
1717 |
if (count < 0 || count > IOV_MAX) { |
1718 |
errno = EINVAL; |
1719 |
return NULL; |
1720 |
} |
1721 |
|
1722 |
vec = calloc(count, sizeof(struct iovec)); |
1723 |
if (vec == NULL) { |
1724 |
errno = ENOMEM; |
1725 |
return NULL; |
1726 |
} |
1727 |
|
1728 |
target_vec = lock_user(VERIFY_READ, target_addr, |
1729 |
count * sizeof(struct target_iovec), 1); |
1730 |
if (target_vec == NULL) { |
1731 |
err = EFAULT; |
1732 |
goto fail2;
|
1733 |
} |
1734 |
|
1735 |
/* ??? If host page size > target page size, this will result in a
|
1736 |
value larger than what we can actually support. */
|
1737 |
max_len = 0x7fffffff & TARGET_PAGE_MASK;
|
1738 |
total_len = 0;
|
1739 |
|
1740 |
for (i = 0; i < count; i++) { |
1741 |
abi_ulong base = tswapal(target_vec[i].iov_base); |
1742 |
abi_long len = tswapal(target_vec[i].iov_len); |
1743 |
|
1744 |
if (len < 0) { |
1745 |
err = EINVAL; |
1746 |
goto fail;
|
1747 |
} else if (len == 0) { |
1748 |
/* Zero length pointer is ignored. */
|
1749 |
vec[i].iov_base = 0;
|
1750 |
} else {
|
1751 |
vec[i].iov_base = lock_user(type, base, len, copy); |
1752 |
if (!vec[i].iov_base) {
|
1753 |
err = EFAULT; |
1754 |
goto fail;
|
1755 |
} |
1756 |
if (len > max_len - total_len) {
|
1757 |
len = max_len - total_len; |
1758 |
} |
1759 |
} |
1760 |
vec[i].iov_len = len; |
1761 |
total_len += len; |
1762 |
} |
1763 |
|
1764 |
unlock_user(target_vec, target_addr, 0);
|
1765 |
return vec;
|
1766 |
|
1767 |
fail:
|
1768 |
unlock_user(target_vec, target_addr, 0);
|
1769 |
fail2:
|
1770 |
free(vec); |
1771 |
errno = err; |
1772 |
return NULL; |
1773 |
} |
1774 |
|
1775 |
static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
1776 |
int count, int copy) |
1777 |
{ |
1778 |
struct target_iovec *target_vec;
|
1779 |
int i;
|
1780 |
|
1781 |
target_vec = lock_user(VERIFY_READ, target_addr, |
1782 |
count * sizeof(struct target_iovec), 1); |
1783 |
if (target_vec) {
|
1784 |
for (i = 0; i < count; i++) { |
1785 |
abi_ulong base = tswapal(target_vec[i].iov_base); |
1786 |
abi_long len = tswapal(target_vec[i].iov_base); |
1787 |
if (len < 0) { |
1788 |
break;
|
1789 |
} |
1790 |
unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
|
1791 |
} |
1792 |
unlock_user(target_vec, target_addr, 0);
|
1793 |
} |
1794 |
|
1795 |
free(vec); |
1796 |
} |
1797 |
|
1798 |
static inline int target_to_host_sock_type(int *type) |
1799 |
{ |
1800 |
int host_type = 0; |
1801 |
int target_type = *type;
|
1802 |
|
1803 |
switch (target_type & TARGET_SOCK_TYPE_MASK) {
|
1804 |
case TARGET_SOCK_DGRAM:
|
1805 |
host_type = SOCK_DGRAM; |
1806 |
break;
|
1807 |
case TARGET_SOCK_STREAM:
|
1808 |
host_type = SOCK_STREAM; |
1809 |
break;
|
1810 |
default:
|
1811 |
host_type = target_type & TARGET_SOCK_TYPE_MASK; |
1812 |
break;
|
1813 |
} |
1814 |
if (target_type & TARGET_SOCK_CLOEXEC) {
|
1815 |
#if defined(SOCK_CLOEXEC)
|
1816 |
host_type |= SOCK_CLOEXEC; |
1817 |
#else
|
1818 |
return -TARGET_EINVAL;
|
1819 |
#endif
|
1820 |
} |
1821 |
if (target_type & TARGET_SOCK_NONBLOCK) {
|
1822 |
#if defined(SOCK_NONBLOCK)
|
1823 |
host_type |= SOCK_NONBLOCK; |
1824 |
#elif !defined(O_NONBLOCK)
|
1825 |
return -TARGET_EINVAL;
|
1826 |
#endif
|
1827 |
} |
1828 |
*type = host_type; |
1829 |
return 0; |
1830 |
} |
1831 |
|
1832 |
/* Try to emulate socket type flags after socket creation. */
|
1833 |
static int sock_flags_fixup(int fd, int target_type) |
1834 |
{ |
1835 |
#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
|
1836 |
if (target_type & TARGET_SOCK_NONBLOCK) {
|
1837 |
int flags = fcntl(fd, F_GETFL);
|
1838 |
if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { |
1839 |
close(fd); |
1840 |
return -TARGET_EINVAL;
|
1841 |
} |
1842 |
} |
1843 |
#endif
|
1844 |
return fd;
|
1845 |
} |
1846 |
|
1847 |
/* do_socket() Must return target values and target errnos. */
|
1848 |
static abi_long do_socket(int domain, int type, int protocol) |
1849 |
{ |
1850 |
int target_type = type;
|
1851 |
int ret;
|
1852 |
|
1853 |
ret = target_to_host_sock_type(&type); |
1854 |
if (ret) {
|
1855 |
return ret;
|
1856 |
} |
1857 |
|
1858 |
if (domain == PF_NETLINK)
|
1859 |
return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */ |
1860 |
ret = get_errno(socket(domain, type, protocol)); |
1861 |
if (ret >= 0) { |
1862 |
ret = sock_flags_fixup(ret, target_type); |
1863 |
} |
1864 |
return ret;
|
1865 |
} |
1866 |
|
1867 |
/* do_bind() Must return target values and target errnos. */
|
1868 |
static abi_long do_bind(int sockfd, abi_ulong target_addr, |
1869 |
socklen_t addrlen) |
1870 |
{ |
1871 |
void *addr;
|
1872 |
abi_long ret; |
1873 |
|
1874 |
if ((int)addrlen < 0) { |
1875 |
return -TARGET_EINVAL;
|
1876 |
} |
1877 |
|
1878 |
addr = alloca(addrlen+1);
|
1879 |
|
1880 |
ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
1881 |
if (ret)
|
1882 |
return ret;
|
1883 |
|
1884 |
return get_errno(bind(sockfd, addr, addrlen));
|
1885 |
} |
1886 |
|
1887 |
/* do_connect() Must return target values and target errnos. */
|
1888 |
static abi_long do_connect(int sockfd, abi_ulong target_addr, |
1889 |
socklen_t addrlen) |
1890 |
{ |
1891 |
void *addr;
|
1892 |
abi_long ret; |
1893 |
|
1894 |
if ((int)addrlen < 0) { |
1895 |
return -TARGET_EINVAL;
|
1896 |
} |
1897 |
|
1898 |
addr = alloca(addrlen); |
1899 |
|
1900 |
ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
1901 |
if (ret)
|
1902 |
return ret;
|
1903 |
|
1904 |
return get_errno(connect(sockfd, addr, addrlen));
|
1905 |
} |
1906 |
|
1907 |
/* do_sendrecvmsg_locked() Must return target values and target errnos. */
|
1908 |
static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, |
1909 |
int flags, int send) |
1910 |
{ |
1911 |
abi_long ret, len; |
1912 |
struct msghdr msg;
|
1913 |
int count;
|
1914 |
struct iovec *vec;
|
1915 |
abi_ulong target_vec; |
1916 |
|
1917 |
if (msgp->msg_name) {
|
1918 |
msg.msg_namelen = tswap32(msgp->msg_namelen); |
1919 |
msg.msg_name = alloca(msg.msg_namelen); |
1920 |
ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name), |
1921 |
msg.msg_namelen); |
1922 |
if (ret) {
|
1923 |
goto out2;
|
1924 |
} |
1925 |
} else {
|
1926 |
msg.msg_name = NULL;
|
1927 |
msg.msg_namelen = 0;
|
1928 |
} |
1929 |
msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
|
1930 |
msg.msg_control = alloca(msg.msg_controllen); |
1931 |
msg.msg_flags = tswap32(msgp->msg_flags); |
1932 |
|
1933 |
count = tswapal(msgp->msg_iovlen); |
1934 |
target_vec = tswapal(msgp->msg_iov); |
1935 |
vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
1936 |
target_vec, count, send); |
1937 |
if (vec == NULL) { |
1938 |
ret = -host_to_target_errno(errno); |
1939 |
goto out2;
|
1940 |
} |
1941 |
msg.msg_iovlen = count; |
1942 |
msg.msg_iov = vec; |
1943 |
|
1944 |
if (send) {
|
1945 |
ret = target_to_host_cmsg(&msg, msgp); |
1946 |
if (ret == 0) |
1947 |
ret = get_errno(sendmsg(fd, &msg, flags)); |
1948 |
} else {
|
1949 |
ret = get_errno(recvmsg(fd, &msg, flags)); |
1950 |
if (!is_error(ret)) {
|
1951 |
len = ret; |
1952 |
ret = host_to_target_cmsg(msgp, &msg); |
1953 |
if (!is_error(ret)) {
|
1954 |
msgp->msg_namelen = tswap32(msg.msg_namelen); |
1955 |
if (msg.msg_name != NULL) { |
1956 |
ret = host_to_target_sockaddr(tswapal(msgp->msg_name), |
1957 |
msg.msg_name, msg.msg_namelen); |
1958 |
if (ret) {
|
1959 |
goto out;
|
1960 |
} |
1961 |
} |
1962 |
|
1963 |
ret = len; |
1964 |
} |
1965 |
} |
1966 |
} |
1967 |
|
1968 |
out:
|
1969 |
unlock_iovec(vec, target_vec, count, !send); |
1970 |
out2:
|
1971 |
return ret;
|
1972 |
} |
1973 |
|
1974 |
static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, |
1975 |
int flags, int send) |
1976 |
{ |
1977 |
abi_long ret; |
1978 |
struct target_msghdr *msgp;
|
1979 |
|
1980 |
if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
|
1981 |
msgp, |
1982 |
target_msg, |
1983 |
send ? 1 : 0)) { |
1984 |
return -TARGET_EFAULT;
|
1985 |
} |
1986 |
ret = do_sendrecvmsg_locked(fd, msgp, flags, send); |
1987 |
unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
1988 |
return ret;
|
1989 |
} |
1990 |
|
1991 |
#ifdef TARGET_NR_sendmmsg
|
1992 |
/* We don't rely on the C library to have sendmmsg/recvmmsg support,
|
1993 |
* so it might not have this *mmsg-specific flag either.
|
1994 |
*/
|
1995 |
#ifndef MSG_WAITFORONE
|
1996 |
#define MSG_WAITFORONE 0x10000 |
1997 |
#endif
|
1998 |
|
1999 |
static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, |
2000 |
unsigned int vlen, unsigned int flags, |
2001 |
int send)
|
2002 |
{ |
2003 |
struct target_mmsghdr *mmsgp;
|
2004 |
abi_long ret = 0;
|
2005 |
int i;
|
2006 |
|
2007 |
if (vlen > UIO_MAXIOV) {
|
2008 |
vlen = UIO_MAXIOV; |
2009 |
} |
2010 |
|
2011 |
mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); |
2012 |
if (!mmsgp) {
|
2013 |
return -TARGET_EFAULT;
|
2014 |
} |
2015 |
|
2016 |
for (i = 0; i < vlen; i++) { |
2017 |
ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); |
2018 |
if (is_error(ret)) {
|
2019 |
break;
|
2020 |
} |
2021 |
mmsgp[i].msg_len = tswap32(ret); |
2022 |
/* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
|
2023 |
if (flags & MSG_WAITFORONE) {
|
2024 |
flags |= MSG_DONTWAIT; |
2025 |
} |
2026 |
} |
2027 |
|
2028 |
unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
|
2029 |
|
2030 |
/* Return number of datagrams sent if we sent any at all;
|
2031 |
* otherwise return the error.
|
2032 |
*/
|
2033 |
if (i) {
|
2034 |
return i;
|
2035 |
} |
2036 |
return ret;
|
2037 |
} |
2038 |
#endif
|
2039 |
|
2040 |
/* If we don't have a system accept4() then just call accept.
|
2041 |
* The callsites to do_accept4() will ensure that they don't
|
2042 |
* pass a non-zero flags argument in this config.
|
2043 |
*/
|
2044 |
#ifndef CONFIG_ACCEPT4
|
2045 |
static inline int accept4(int sockfd, struct sockaddr *addr, |
2046 |
socklen_t *addrlen, int flags)
|
2047 |
{ |
2048 |
assert(flags == 0);
|
2049 |
return accept(sockfd, addr, addrlen);
|
2050 |
} |
2051 |
#endif
|
2052 |
|
2053 |
/* do_accept4() Must return target values and target errnos. */
|
2054 |
static abi_long do_accept4(int fd, abi_ulong target_addr, |
2055 |
abi_ulong target_addrlen_addr, int flags)
|
2056 |
{ |
2057 |
socklen_t addrlen; |
2058 |
void *addr;
|
2059 |
abi_long ret; |
2060 |
|
2061 |
if (target_addr == 0) { |
2062 |
return get_errno(accept4(fd, NULL, NULL, flags)); |
2063 |
} |
2064 |
|
2065 |
/* linux returns EINVAL if addrlen pointer is invalid */
|
2066 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
2067 |
return -TARGET_EINVAL;
|
2068 |
|
2069 |
if ((int)addrlen < 0) { |
2070 |
return -TARGET_EINVAL;
|
2071 |
} |
2072 |
|
2073 |
if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
|
2074 |
return -TARGET_EINVAL;
|
2075 |
|
2076 |
addr = alloca(addrlen); |
2077 |
|
2078 |
ret = get_errno(accept4(fd, addr, &addrlen, flags)); |
2079 |
if (!is_error(ret)) {
|
2080 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
2081 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
2082 |
ret = -TARGET_EFAULT; |
2083 |
} |
2084 |
return ret;
|
2085 |
} |
2086 |
|
2087 |
/* do_getpeername() Must return target values and target errnos. */
|
2088 |
static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2089 |
abi_ulong target_addrlen_addr) |
2090 |
{ |
2091 |
socklen_t addrlen; |
2092 |
void *addr;
|
2093 |
abi_long ret; |
2094 |
|
2095 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
2096 |
return -TARGET_EFAULT;
|
2097 |
|
2098 |
if ((int)addrlen < 0) { |
2099 |
return -TARGET_EINVAL;
|
2100 |
} |
2101 |
|
2102 |
if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
|
2103 |
return -TARGET_EFAULT;
|
2104 |
|
2105 |
addr = alloca(addrlen); |
2106 |
|
2107 |
ret = get_errno(getpeername(fd, addr, &addrlen)); |
2108 |
if (!is_error(ret)) {
|
2109 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
2110 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
2111 |
ret = -TARGET_EFAULT; |
2112 |
} |
2113 |
return ret;
|
2114 |
} |
2115 |
|
2116 |
/* do_getsockname() Must return target values and target errnos. */
|
2117 |
static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2118 |
abi_ulong target_addrlen_addr) |
2119 |
{ |
2120 |
socklen_t addrlen; |
2121 |
void *addr;
|
2122 |
abi_long ret; |
2123 |
|
2124 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
2125 |
return -TARGET_EFAULT;
|
2126 |
|
2127 |
if ((int)addrlen < 0) { |
2128 |
return -TARGET_EINVAL;
|
2129 |
} |
2130 |
|
2131 |
if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
|
2132 |
return -TARGET_EFAULT;
|
2133 |
|
2134 |
addr = alloca(addrlen); |
2135 |
|
2136 |
ret = get_errno(getsockname(fd, addr, &addrlen)); |
2137 |
if (!is_error(ret)) {
|
2138 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
2139 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
2140 |
ret = -TARGET_EFAULT; |
2141 |
} |
2142 |
return ret;
|
2143 |
} |
2144 |
|
2145 |
/* do_socketpair() Must return target values and target errnos. */
|
2146 |
static abi_long do_socketpair(int domain, int type, int protocol, |
2147 |
abi_ulong target_tab_addr) |
2148 |
{ |
2149 |
int tab[2]; |
2150 |
abi_long ret; |
2151 |
|
2152 |
target_to_host_sock_type(&type); |
2153 |
|
2154 |
ret = get_errno(socketpair(domain, type, protocol, tab)); |
2155 |
if (!is_error(ret)) {
|
2156 |
if (put_user_s32(tab[0], target_tab_addr) |
2157 |
|| put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) |
2158 |
ret = -TARGET_EFAULT; |
2159 |
} |
2160 |
return ret;
|
2161 |
} |
2162 |
|
2163 |
/* do_sendto() Must return target values and target errnos. */
|
2164 |
static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
2165 |
abi_ulong target_addr, socklen_t addrlen) |
2166 |
{ |
2167 |
void *addr;
|
2168 |
void *host_msg;
|
2169 |
abi_long ret; |
2170 |
|
2171 |
if ((int)addrlen < 0) { |
2172 |
return -TARGET_EINVAL;
|
2173 |
} |
2174 |
|
2175 |
host_msg = lock_user(VERIFY_READ, msg, len, 1);
|
2176 |
if (!host_msg)
|
2177 |
return -TARGET_EFAULT;
|
2178 |
if (target_addr) {
|
2179 |
addr = alloca(addrlen); |
2180 |
ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
2181 |
if (ret) {
|
2182 |
unlock_user(host_msg, msg, 0);
|
2183 |
return ret;
|
2184 |
} |
2185 |
ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); |
2186 |
} else {
|
2187 |
ret = get_errno(send(fd, host_msg, len, flags)); |
2188 |
} |
2189 |
unlock_user(host_msg, msg, 0);
|
2190 |
return ret;
|
2191 |
} |
2192 |
|
2193 |
/* do_recvfrom() Must return target values and target errnos. */
|
2194 |
static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
2195 |
abi_ulong target_addr, |
2196 |
abi_ulong target_addrlen) |
2197 |
{ |
2198 |
socklen_t addrlen; |
2199 |
void *addr;
|
2200 |
void *host_msg;
|
2201 |
abi_long ret; |
2202 |
|
2203 |
host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
|
2204 |
if (!host_msg)
|
2205 |
return -TARGET_EFAULT;
|
2206 |
if (target_addr) {
|
2207 |
if (get_user_u32(addrlen, target_addrlen)) {
|
2208 |
ret = -TARGET_EFAULT; |
2209 |
goto fail;
|
2210 |
} |
2211 |
if ((int)addrlen < 0) { |
2212 |
ret = -TARGET_EINVAL; |
2213 |
goto fail;
|
2214 |
} |
2215 |
addr = alloca(addrlen); |
2216 |
ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); |
2217 |
} else {
|
2218 |
addr = NULL; /* To keep compiler quiet. */ |
2219 |
ret = get_errno(qemu_recv(fd, host_msg, len, flags)); |
2220 |
} |
2221 |
if (!is_error(ret)) {
|
2222 |
if (target_addr) {
|
2223 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
2224 |
if (put_user_u32(addrlen, target_addrlen)) {
|
2225 |
ret = -TARGET_EFAULT; |
2226 |
goto fail;
|
2227 |
} |
2228 |
} |
2229 |
unlock_user(host_msg, msg, len); |
2230 |
} else {
|
2231 |
fail:
|
2232 |
unlock_user(host_msg, msg, 0);
|
2233 |
} |
2234 |
return ret;
|
2235 |
} |
2236 |
|
2237 |
#ifdef TARGET_NR_socketcall
|
2238 |
/* do_socketcall() Must return target values and target errnos. */
|
2239 |
static abi_long do_socketcall(int num, abi_ulong vptr) |
2240 |
{ |
2241 |
static const unsigned ac[] = { /* number of arguments per call */ |
2242 |
[SOCKOP_socket] = 3, /* domain, type, protocol */ |
2243 |
[SOCKOP_bind] = 3, /* sockfd, addr, addrlen */ |
2244 |
[SOCKOP_connect] = 3, /* sockfd, addr, addrlen */ |
2245 |
[SOCKOP_listen] = 2, /* sockfd, backlog */ |
2246 |
[SOCKOP_accept] = 3, /* sockfd, addr, addrlen */ |
2247 |
[SOCKOP_accept4] = 4, /* sockfd, addr, addrlen, flags */ |
2248 |
[SOCKOP_getsockname] = 3, /* sockfd, addr, addrlen */ |
2249 |
[SOCKOP_getpeername] = 3, /* sockfd, addr, addrlen */ |
2250 |
[SOCKOP_socketpair] = 4, /* domain, type, protocol, tab */ |
2251 |
[SOCKOP_send] = 4, /* sockfd, msg, len, flags */ |
2252 |
[SOCKOP_recv] = 4, /* sockfd, msg, len, flags */ |
2253 |
[SOCKOP_sendto] = 6, /* sockfd, msg, len, flags, addr, addrlen */ |
2254 |
[SOCKOP_recvfrom] = 6, /* sockfd, msg, len, flags, addr, addrlen */ |
2255 |
[SOCKOP_shutdown] = 2, /* sockfd, how */ |
2256 |
[SOCKOP_sendmsg] = 3, /* sockfd, msg, flags */ |
2257 |
[SOCKOP_recvmsg] = 3, /* sockfd, msg, flags */ |
2258 |
[SOCKOP_setsockopt] = 5, /* sockfd, level, optname, optval, optlen */ |
2259 |
[SOCKOP_getsockopt] = 5, /* sockfd, level, optname, optval, optlen */ |
2260 |
}; |
2261 |
abi_long a[6]; /* max 6 args */ |
2262 |
|
2263 |
/* first, collect the arguments in a[] according to ac[] */
|
2264 |
if (num >= 0 && num < ARRAY_SIZE(ac)) { |
2265 |
unsigned i;
|
2266 |
assert(ARRAY_SIZE(a) >= ac[num]); /* ensure we have space for args */
|
2267 |
for (i = 0; i < ac[num]; ++i) { |
2268 |
if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { |
2269 |
return -TARGET_EFAULT;
|
2270 |
} |
2271 |
} |
2272 |
} |
2273 |
|
2274 |
/* now when we have the args, actually handle the call */
|
2275 |
switch (num) {
|
2276 |
case SOCKOP_socket: /* domain, type, protocol */ |
2277 |
return do_socket(a[0], a[1], a[2]); |
2278 |
case SOCKOP_bind: /* sockfd, addr, addrlen */ |
2279 |
return do_bind(a[0], a[1], a[2]); |
2280 |
case SOCKOP_connect: /* sockfd, addr, addrlen */ |
2281 |
return do_connect(a[0], a[1], a[2]); |
2282 |
case SOCKOP_listen: /* sockfd, backlog */ |
2283 |
return get_errno(listen(a[0], a[1])); |
2284 |
case SOCKOP_accept: /* sockfd, addr, addrlen */ |
2285 |
return do_accept4(a[0], a[1], a[2], 0); |
2286 |
case SOCKOP_accept4: /* sockfd, addr, addrlen, flags */ |
2287 |
return do_accept4(a[0], a[1], a[2], a[3]); |
2288 |
case SOCKOP_getsockname: /* sockfd, addr, addrlen */ |
2289 |
return do_getsockname(a[0], a[1], a[2]); |
2290 |
case SOCKOP_getpeername: /* sockfd, addr, addrlen */ |
2291 |
return do_getpeername(a[0], a[1], a[2]); |
2292 |
case SOCKOP_socketpair: /* domain, type, protocol, tab */ |
2293 |
return do_socketpair(a[0], a[1], a[2], a[3]); |
2294 |
case SOCKOP_send: /* sockfd, msg, len, flags */ |
2295 |
return do_sendto(a[0], a[1], a[2], a[3], 0, 0); |
2296 |
case SOCKOP_recv: /* sockfd, msg, len, flags */ |
2297 |
return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); |
2298 |
case SOCKOP_sendto: /* sockfd, msg, len, flags, addr, addrlen */ |
2299 |
return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); |
2300 |
case SOCKOP_recvfrom: /* sockfd, msg, len, flags, addr, addrlen */ |
2301 |
return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); |
2302 |
case SOCKOP_shutdown: /* sockfd, how */ |
2303 |
return get_errno(shutdown(a[0], a[1])); |
2304 |
case SOCKOP_sendmsg: /* sockfd, msg, flags */ |
2305 |
return do_sendrecvmsg(a[0], a[1], a[2], 1); |
2306 |
case SOCKOP_recvmsg: /* sockfd, msg, flags */ |
2307 |
return do_sendrecvmsg(a[0], a[1], a[2], 0); |
2308 |
case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */ |
2309 |
return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); |
2310 |
case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */ |
2311 |
return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); |
2312 |
default:
|
2313 |
gemu_log("Unsupported socketcall: %d\n", num);
|
2314 |
return -TARGET_ENOSYS;
|
2315 |
} |
2316 |
} |
2317 |
#endif
|
2318 |
|
2319 |
#define N_SHM_REGIONS 32 |
2320 |
|
2321 |
static struct shm_region { |
2322 |
abi_ulong start; |
2323 |
abi_ulong size; |
2324 |
} shm_regions[N_SHM_REGIONS]; |
2325 |
|
2326 |
struct target_semid_ds
|
2327 |
{ |
2328 |
struct target_ipc_perm sem_perm;
|
2329 |
abi_ulong sem_otime; |
2330 |
abi_ulong __unused1; |
2331 |
abi_ulong sem_ctime; |
2332 |
abi_ulong __unused2; |
2333 |
abi_ulong sem_nsems; |
2334 |
abi_ulong __unused3; |
2335 |
abi_ulong __unused4; |
2336 |
}; |
2337 |
|
2338 |
static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
2339 |
abi_ulong target_addr) |
2340 |
{ |
2341 |
struct target_ipc_perm *target_ip;
|
2342 |
struct target_semid_ds *target_sd;
|
2343 |
|
2344 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2345 |
return -TARGET_EFAULT;
|
2346 |
target_ip = &(target_sd->sem_perm); |
2347 |
host_ip->__key = tswap32(target_ip->__key); |
2348 |
host_ip->uid = tswap32(target_ip->uid); |
2349 |
host_ip->gid = tswap32(target_ip->gid); |
2350 |
host_ip->cuid = tswap32(target_ip->cuid); |
2351 |
host_ip->cgid = tswap32(target_ip->cgid); |
2352 |
#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
|
2353 |
host_ip->mode = tswap32(target_ip->mode); |
2354 |
#else
|
2355 |
host_ip->mode = tswap16(target_ip->mode); |
2356 |
#endif
|
2357 |
#if defined(TARGET_PPC)
|
2358 |
host_ip->__seq = tswap32(target_ip->__seq); |
2359 |
#else
|
2360 |
host_ip->__seq = tswap16(target_ip->__seq); |
2361 |
#endif
|
2362 |
unlock_user_struct(target_sd, target_addr, 0);
|
2363 |
return 0; |
2364 |
} |
2365 |
|
2366 |
static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
2367 |
struct ipc_perm *host_ip)
|
2368 |
{ |
2369 |
struct target_ipc_perm *target_ip;
|
2370 |
struct target_semid_ds *target_sd;
|
2371 |
|
2372 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2373 |
return -TARGET_EFAULT;
|
2374 |
target_ip = &(target_sd->sem_perm); |
2375 |
target_ip->__key = tswap32(host_ip->__key); |
2376 |
target_ip->uid = tswap32(host_ip->uid); |
2377 |
target_ip->gid = tswap32(host_ip->gid); |
2378 |
target_ip->cuid = tswap32(host_ip->cuid); |
2379 |
target_ip->cgid = tswap32(host_ip->cgid); |
2380 |
#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
|
2381 |
target_ip->mode = tswap32(host_ip->mode); |
2382 |
#else
|
2383 |
target_ip->mode = tswap16(host_ip->mode); |
2384 |
#endif
|
2385 |
#if defined(TARGET_PPC)
|
2386 |
target_ip->__seq = tswap32(host_ip->__seq); |
2387 |
#else
|
2388 |
target_ip->__seq = tswap16(host_ip->__seq); |
2389 |
#endif
|
2390 |
unlock_user_struct(target_sd, target_addr, 1);
|
2391 |
return 0; |
2392 |
} |
2393 |
|
2394 |
static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
2395 |
abi_ulong target_addr) |
2396 |
{ |
2397 |
struct target_semid_ds *target_sd;
|
2398 |
|
2399 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2400 |
return -TARGET_EFAULT;
|
2401 |
if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
|
2402 |
return -TARGET_EFAULT;
|
2403 |
host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
2404 |
host_sd->sem_otime = tswapal(target_sd->sem_otime); |
2405 |
host_sd->sem_ctime = tswapal(target_sd->sem_ctime); |
2406 |
unlock_user_struct(target_sd, target_addr, 0);
|
2407 |
return 0; |
2408 |
} |
2409 |
|
2410 |
static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
2411 |
struct semid_ds *host_sd)
|
2412 |
{ |
2413 |
struct target_semid_ds *target_sd;
|
2414 |
|
2415 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2416 |
return -TARGET_EFAULT;
|
2417 |
if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
|
2418 |
return -TARGET_EFAULT;
|
2419 |
target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
2420 |
target_sd->sem_otime = tswapal(host_sd->sem_otime); |
2421 |
target_sd->sem_ctime = tswapal(host_sd->sem_ctime); |
2422 |
unlock_user_struct(target_sd, target_addr, 1);
|
2423 |
return 0; |
2424 |
} |
2425 |
|
2426 |
struct target_seminfo {
|
2427 |
int semmap;
|
2428 |
int semmni;
|
2429 |
int semmns;
|
2430 |
int semmnu;
|
2431 |
int semmsl;
|
2432 |
int semopm;
|
2433 |
int semume;
|
2434 |
int semusz;
|
2435 |
int semvmx;
|
2436 |
int semaem;
|
2437 |
}; |
2438 |
|
2439 |
static inline abi_long host_to_target_seminfo(abi_ulong target_addr, |
2440 |
struct seminfo *host_seminfo)
|
2441 |
{ |
2442 |
struct target_seminfo *target_seminfo;
|
2443 |
if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) |
2444 |
return -TARGET_EFAULT;
|
2445 |
__put_user(host_seminfo->semmap, &target_seminfo->semmap); |
2446 |
__put_user(host_seminfo->semmni, &target_seminfo->semmni); |
2447 |
__put_user(host_seminfo->semmns, &target_seminfo->semmns); |
2448 |
__put_user(host_seminfo->semmnu, &target_seminfo->semmnu); |
2449 |
__put_user(host_seminfo->semmsl, &target_seminfo->semmsl); |
2450 |
__put_user(host_seminfo->semopm, &target_seminfo->semopm); |
2451 |
__put_user(host_seminfo->semume, &target_seminfo->semume); |
2452 |
__put_user(host_seminfo->semusz, &target_seminfo->semusz); |
2453 |
__put_user(host_seminfo->semvmx, &target_seminfo->semvmx); |
2454 |
__put_user(host_seminfo->semaem, &target_seminfo->semaem); |
2455 |
unlock_user_struct(target_seminfo, target_addr, 1);
|
2456 |
return 0; |
2457 |
} |
2458 |
|
2459 |
union semun {
|
2460 |
int val;
|
2461 |
struct semid_ds *buf;
|
2462 |
unsigned short *array; |
2463 |
struct seminfo *__buf;
|
2464 |
}; |
2465 |
|
2466 |
union target_semun {
|
2467 |
int val;
|
2468 |
abi_ulong buf; |
2469 |
abi_ulong array; |
2470 |
abi_ulong __buf; |
2471 |
}; |
2472 |
|
2473 |
static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
2474 |
abi_ulong target_addr) |
2475 |
{ |
2476 |
int nsems;
|
2477 |
unsigned short *array; |
2478 |
union semun semun;
|
2479 |
struct semid_ds semid_ds;
|
2480 |
int i, ret;
|
2481 |
|
2482 |
semun.buf = &semid_ds; |
2483 |
|
2484 |
ret = semctl(semid, 0, IPC_STAT, semun);
|
2485 |
if (ret == -1) |
2486 |
return get_errno(ret);
|
2487 |
|
2488 |
nsems = semid_ds.sem_nsems; |
2489 |
|
2490 |
*host_array = malloc(nsems*sizeof(unsigned short)); |
2491 |
if (!*host_array) {
|
2492 |
return -TARGET_ENOMEM;
|
2493 |
} |
2494 |
array = lock_user(VERIFY_READ, target_addr, |
2495 |
nsems*sizeof(unsigned short), 1); |
2496 |
if (!array) {
|
2497 |
free(*host_array); |
2498 |
return -TARGET_EFAULT;
|
2499 |
} |
2500 |
|
2501 |
for(i=0; i<nsems; i++) { |
2502 |
__get_user((*host_array)[i], &array[i]); |
2503 |
} |
2504 |
unlock_user(array, target_addr, 0);
|
2505 |
|
2506 |
return 0; |
2507 |
} |
2508 |
|
2509 |
static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
2510 |
unsigned short **host_array) |
2511 |
{ |
2512 |
int nsems;
|
2513 |
unsigned short *array; |
2514 |
union semun semun;
|
2515 |
struct semid_ds semid_ds;
|
2516 |
int i, ret;
|
2517 |
|
2518 |
semun.buf = &semid_ds; |
2519 |
|
2520 |
ret = semctl(semid, 0, IPC_STAT, semun);
|
2521 |
if (ret == -1) |
2522 |
return get_errno(ret);
|
2523 |
|
2524 |
nsems = semid_ds.sem_nsems; |
2525 |
|
2526 |
array = lock_user(VERIFY_WRITE, target_addr, |
2527 |
nsems*sizeof(unsigned short), 0); |
2528 |
if (!array)
|
2529 |
return -TARGET_EFAULT;
|
2530 |
|
2531 |
for(i=0; i<nsems; i++) { |
2532 |
__put_user((*host_array)[i], &array[i]); |
2533 |
} |
2534 |
free(*host_array); |
2535 |
unlock_user(array, target_addr, 1);
|
2536 |
|
2537 |
return 0; |
2538 |
} |
2539 |
|
2540 |
static inline abi_long do_semctl(int semid, int semnum, int cmd, |
2541 |
union target_semun target_su)
|
2542 |
{ |
2543 |
union semun arg;
|
2544 |
struct semid_ds dsarg;
|
2545 |
unsigned short *array = NULL; |
2546 |
struct seminfo seminfo;
|
2547 |
abi_long ret = -TARGET_EINVAL; |
2548 |
abi_long err; |
2549 |
cmd &= 0xff;
|
2550 |
|
2551 |
switch( cmd ) {
|
2552 |
case GETVAL:
|
2553 |
case SETVAL:
|
2554 |
arg.val = tswap32(target_su.val); |
2555 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2556 |
target_su.val = tswap32(arg.val); |
2557 |
break;
|
2558 |
case GETALL:
|
2559 |
case SETALL:
|
2560 |
err = target_to_host_semarray(semid, &array, target_su.array); |
2561 |
if (err)
|
2562 |
return err;
|
2563 |
arg.array = array; |
2564 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2565 |
err = host_to_target_semarray(semid, target_su.array, &array); |
2566 |
if (err)
|
2567 |
return err;
|
2568 |
break;
|
2569 |
case IPC_STAT:
|
2570 |
case IPC_SET:
|
2571 |
case SEM_STAT:
|
2572 |
err = target_to_host_semid_ds(&dsarg, target_su.buf); |
2573 |
if (err)
|
2574 |
return err;
|
2575 |
arg.buf = &dsarg; |
2576 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2577 |
err = host_to_target_semid_ds(target_su.buf, &dsarg); |
2578 |
if (err)
|
2579 |
return err;
|
2580 |
break;
|
2581 |
case IPC_INFO:
|
2582 |
case SEM_INFO:
|
2583 |
arg.__buf = &seminfo; |
2584 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
2585 |
err = host_to_target_seminfo(target_su.__buf, &seminfo); |
2586 |
if (err)
|
2587 |
return err;
|
2588 |
break;
|
2589 |
case IPC_RMID:
|
2590 |
case GETPID:
|
2591 |
case GETNCNT:
|
2592 |
case GETZCNT:
|
2593 |
ret = get_errno(semctl(semid, semnum, cmd, NULL));
|
2594 |
break;
|
2595 |
} |
2596 |
|
2597 |
return ret;
|
2598 |
} |
2599 |
|
2600 |
struct target_sembuf {
|
2601 |
unsigned short sem_num; |
2602 |
short sem_op;
|
2603 |
short sem_flg;
|
2604 |
}; |
2605 |
|
2606 |
static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, |
2607 |
abi_ulong target_addr, |
2608 |
unsigned nsops)
|
2609 |
{ |
2610 |
struct target_sembuf *target_sembuf;
|
2611 |
int i;
|
2612 |
|
2613 |
target_sembuf = lock_user(VERIFY_READ, target_addr, |
2614 |
nsops*sizeof(struct target_sembuf), 1); |
2615 |
if (!target_sembuf)
|
2616 |
return -TARGET_EFAULT;
|
2617 |
|
2618 |
for(i=0; i<nsops; i++) { |
2619 |
__get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); |
2620 |
__get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); |
2621 |
__get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); |
2622 |
} |
2623 |
|
2624 |
unlock_user(target_sembuf, target_addr, 0);
|
2625 |
|
2626 |
return 0; |
2627 |
} |
2628 |
|
2629 |
static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) |
2630 |
{ |
2631 |
struct sembuf sops[nsops];
|
2632 |
|
2633 |
if (target_to_host_sembuf(sops, ptr, nsops))
|
2634 |
return -TARGET_EFAULT;
|
2635 |
|
2636 |
return get_errno(semop(semid, sops, nsops));
|
2637 |
} |
2638 |
|
2639 |
struct target_msqid_ds
|
2640 |
{ |
2641 |
struct target_ipc_perm msg_perm;
|
2642 |
abi_ulong msg_stime; |
2643 |
#if TARGET_ABI_BITS == 32 |
2644 |
abi_ulong __unused1; |
2645 |
#endif
|
2646 |
abi_ulong msg_rtime; |
2647 |
#if TARGET_ABI_BITS == 32 |
2648 |
abi_ulong __unused2; |
2649 |
#endif
|
2650 |
abi_ulong msg_ctime; |
2651 |
#if TARGET_ABI_BITS == 32 |
2652 |
abi_ulong __unused3; |
2653 |
#endif
|
2654 |
abi_ulong __msg_cbytes; |
2655 |
abi_ulong msg_qnum; |
2656 |
abi_ulong msg_qbytes; |
2657 |
abi_ulong msg_lspid; |
2658 |
abi_ulong msg_lrpid; |
2659 |
abi_ulong __unused4; |
2660 |
abi_ulong __unused5; |
2661 |
}; |
2662 |
|
2663 |
static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
2664 |
abi_ulong target_addr) |
2665 |
{ |
2666 |
struct target_msqid_ds *target_md;
|
2667 |
|
2668 |
if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
2669 |
return -TARGET_EFAULT;
|
2670 |
if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
|
2671 |
return -TARGET_EFAULT;
|
2672 |
host_md->msg_stime = tswapal(target_md->msg_stime); |
2673 |
host_md->msg_rtime = tswapal(target_md->msg_rtime); |
2674 |
host_md->msg_ctime = tswapal(target_md->msg_ctime); |
2675 |
host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); |
2676 |
host_md->msg_qnum = tswapal(target_md->msg_qnum); |
2677 |
host_md->msg_qbytes = tswapal(target_md->msg_qbytes); |
2678 |
host_md->msg_lspid = tswapal(target_md->msg_lspid); |
2679 |
host_md->msg_lrpid = tswapal(target_md->msg_lrpid); |
2680 |
unlock_user_struct(target_md, target_addr, 0);
|
2681 |
return 0; |
2682 |
} |
2683 |
|
2684 |
static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
2685 |
struct msqid_ds *host_md)
|
2686 |
{ |
2687 |
struct target_msqid_ds *target_md;
|
2688 |
|
2689 |
if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
2690 |
return -TARGET_EFAULT;
|
2691 |
if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
|
2692 |
return -TARGET_EFAULT;
|
2693 |
target_md->msg_stime = tswapal(host_md->msg_stime); |
2694 |
target_md->msg_rtime = tswapal(host_md->msg_rtime); |
2695 |
target_md->msg_ctime = tswapal(host_md->msg_ctime); |
2696 |
target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); |
2697 |
target_md->msg_qnum = tswapal(host_md->msg_qnum); |
2698 |
target_md->msg_qbytes = tswapal(host_md->msg_qbytes); |
2699 |
target_md->msg_lspid = tswapal(host_md->msg_lspid); |
2700 |
target_md->msg_lrpid = tswapal(host_md->msg_lrpid); |
2701 |
unlock_user_struct(target_md, target_addr, 1);
|
2702 |
return 0; |
2703 |
} |
2704 |
|
2705 |
struct target_msginfo {
|
2706 |
int msgpool;
|
2707 |
int msgmap;
|
2708 |
int msgmax;
|
2709 |
int msgmnb;
|
2710 |
int msgmni;
|
2711 |
int msgssz;
|
2712 |
int msgtql;
|
2713 |
unsigned short int msgseg; |
2714 |
}; |
2715 |
|
2716 |
static inline abi_long host_to_target_msginfo(abi_ulong target_addr, |
2717 |
struct msginfo *host_msginfo)
|
2718 |
{ |
2719 |
struct target_msginfo *target_msginfo;
|
2720 |
if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) |
2721 |
return -TARGET_EFAULT;
|
2722 |
__put_user(host_msginfo->msgpool, &target_msginfo->msgpool); |
2723 |
__put_user(host_msginfo->msgmap, &target_msginfo->msgmap); |
2724 |
__put_user(host_msginfo->msgmax, &target_msginfo->msgmax); |
2725 |
__put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); |
2726 |
__put_user(host_msginfo->msgmni, &target_msginfo->msgmni); |
2727 |
__put_user(host_msginfo->msgssz, &target_msginfo->msgssz); |
2728 |
__put_user(host_msginfo->msgtql, &target_msginfo->msgtql); |
2729 |
__put_user(host_msginfo->msgseg, &target_msginfo->msgseg); |
2730 |
unlock_user_struct(target_msginfo, target_addr, 1);
|
2731 |
return 0; |
2732 |
} |
2733 |
|
2734 |
static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) |
2735 |
{ |
2736 |
struct msqid_ds dsarg;
|
2737 |
struct msginfo msginfo;
|
2738 |
abi_long ret = -TARGET_EINVAL; |
2739 |
|
2740 |
cmd &= 0xff;
|
2741 |
|
2742 |
switch (cmd) {
|
2743 |
case IPC_STAT:
|
2744 |
case IPC_SET:
|
2745 |
case MSG_STAT:
|
2746 |
if (target_to_host_msqid_ds(&dsarg,ptr))
|
2747 |
return -TARGET_EFAULT;
|
2748 |
ret = get_errno(msgctl(msgid, cmd, &dsarg)); |
2749 |
if (host_to_target_msqid_ds(ptr,&dsarg))
|
2750 |
return -TARGET_EFAULT;
|
2751 |
break;
|
2752 |
case IPC_RMID:
|
2753 |
ret = get_errno(msgctl(msgid, cmd, NULL));
|
2754 |
break;
|
2755 |
case IPC_INFO:
|
2756 |
case MSG_INFO:
|
2757 |
ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
|
2758 |
if (host_to_target_msginfo(ptr, &msginfo))
|
2759 |
return -TARGET_EFAULT;
|
2760 |
break;
|
2761 |
} |
2762 |
|
2763 |
return ret;
|
2764 |
} |
2765 |
|
2766 |
struct target_msgbuf {
|
2767 |
abi_long mtype; |
2768 |
char mtext[1]; |
2769 |
}; |
2770 |
|
2771 |
static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
2772 |
unsigned int msgsz, int msgflg) |
2773 |
{ |
2774 |
struct target_msgbuf *target_mb;
|
2775 |
struct msgbuf *host_mb;
|
2776 |
abi_long ret = 0;
|
2777 |
|
2778 |
if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
2779 |
return -TARGET_EFAULT;
|
2780 |
host_mb = malloc(msgsz+sizeof(long)); |
2781 |
host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
2782 |
memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
2783 |
ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); |
2784 |
free(host_mb); |
2785 |
unlock_user_struct(target_mb, msgp, 0);
|
2786 |
|
2787 |
return ret;
|
2788 |
} |
2789 |
|
2790 |
static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
2791 |
unsigned int msgsz, abi_long msgtyp, |
2792 |
int msgflg)
|
2793 |
{ |
2794 |
struct target_msgbuf *target_mb;
|
2795 |
char *target_mtext;
|
2796 |
struct msgbuf *host_mb;
|
2797 |
abi_long ret = 0;
|
2798 |
|
2799 |
if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
2800 |
return -TARGET_EFAULT;
|
2801 |
|
2802 |
host_mb = g_malloc(msgsz+sizeof(long)); |
2803 |
ret = get_errno(msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
2804 |
|
2805 |
if (ret > 0) { |
2806 |
abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
|
2807 |
target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
|
2808 |
if (!target_mtext) {
|
2809 |
ret = -TARGET_EFAULT; |
2810 |
goto end;
|
2811 |
} |
2812 |
memcpy(target_mb->mtext, host_mb->mtext, ret); |
2813 |
unlock_user(target_mtext, target_mtext_addr, ret); |
2814 |
} |
2815 |
|
2816 |
target_mb->mtype = tswapal(host_mb->mtype); |
2817 |
|
2818 |
end:
|
2819 |
if (target_mb)
|
2820 |
unlock_user_struct(target_mb, msgp, 1);
|
2821 |
g_free(host_mb); |
2822 |
return ret;
|
2823 |
} |
2824 |
|
2825 |
static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
2826 |
abi_ulong target_addr) |
2827 |
{ |
2828 |
struct target_shmid_ds *target_sd;
|
2829 |
|
2830 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2831 |
return -TARGET_EFAULT;
|
2832 |
if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
|
2833 |
return -TARGET_EFAULT;
|
2834 |
__get_user(host_sd->shm_segsz, &target_sd->shm_segsz); |
2835 |
__get_user(host_sd->shm_atime, &target_sd->shm_atime); |
2836 |
__get_user(host_sd->shm_dtime, &target_sd->shm_dtime); |
2837 |
__get_user(host_sd->shm_ctime, &target_sd->shm_ctime); |
2838 |
__get_user(host_sd->shm_cpid, &target_sd->shm_cpid); |
2839 |
__get_user(host_sd->shm_lpid, &target_sd->shm_lpid); |
2840 |
__get_user(host_sd->shm_nattch, &target_sd->shm_nattch); |
2841 |
unlock_user_struct(target_sd, target_addr, 0);
|
2842 |
return 0; |
2843 |
} |
2844 |
|
2845 |
static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, |
2846 |
struct shmid_ds *host_sd)
|
2847 |
{ |
2848 |
struct target_shmid_ds *target_sd;
|
2849 |
|
2850 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2851 |
return -TARGET_EFAULT;
|
2852 |
if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
|
2853 |
return -TARGET_EFAULT;
|
2854 |
__put_user(host_sd->shm_segsz, &target_sd->shm_segsz); |
2855 |
__put_user(host_sd->shm_atime, &target_sd->shm_atime); |
2856 |
__put_user(host_sd->shm_dtime, &target_sd->shm_dtime); |
2857 |
__put_user(host_sd->shm_ctime, &target_sd->shm_ctime); |
2858 |
__put_user(host_sd->shm_cpid, &target_sd->shm_cpid); |
2859 |
__put_user(host_sd->shm_lpid, &target_sd->shm_lpid); |
2860 |
__put_user(host_sd->shm_nattch, &target_sd->shm_nattch); |
2861 |
unlock_user_struct(target_sd, target_addr, 1);
|
2862 |
return 0; |
2863 |
} |
2864 |
|
2865 |
struct target_shminfo {
|
2866 |
abi_ulong shmmax; |
2867 |
abi_ulong shmmin; |
2868 |
abi_ulong shmmni; |
2869 |
abi_ulong shmseg; |
2870 |
abi_ulong shmall; |
2871 |
}; |
2872 |
|
2873 |
static inline abi_long host_to_target_shminfo(abi_ulong target_addr, |
2874 |
struct shminfo *host_shminfo)
|
2875 |
{ |
2876 |
struct target_shminfo *target_shminfo;
|
2877 |
if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) |
2878 |
return -TARGET_EFAULT;
|
2879 |
__put_user(host_shminfo->shmmax, &target_shminfo->shmmax); |
2880 |
__put_user(host_shminfo->shmmin, &target_shminfo->shmmin); |
2881 |
__put_user(host_shminfo->shmmni, &target_shminfo->shmmni); |
2882 |
__put_user(host_shminfo->shmseg, &target_shminfo->shmseg); |
2883 |
__put_user(host_shminfo->shmall, &target_shminfo->shmall); |
2884 |
unlock_user_struct(target_shminfo, target_addr, 1);
|
2885 |
return 0; |
2886 |
} |
2887 |
|
2888 |
struct target_shm_info {
|
2889 |
int used_ids;
|
2890 |
abi_ulong shm_tot; |
2891 |
abi_ulong shm_rss; |
2892 |
abi_ulong shm_swp; |
2893 |
abi_ulong swap_attempts; |
2894 |
abi_ulong swap_successes; |
2895 |
}; |
2896 |
|
2897 |
static inline abi_long host_to_target_shm_info(abi_ulong target_addr, |
2898 |
struct shm_info *host_shm_info)
|
2899 |
{ |
2900 |
struct target_shm_info *target_shm_info;
|
2901 |
if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) |
2902 |
return -TARGET_EFAULT;
|
2903 |
__put_user(host_shm_info->used_ids, &target_shm_info->used_ids); |
2904 |
__put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); |
2905 |
__put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); |
2906 |
__put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); |
2907 |
__put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); |
2908 |
__put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); |
2909 |
unlock_user_struct(target_shm_info, target_addr, 1);
|
2910 |
return 0; |
2911 |
} |
2912 |
|
2913 |
static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) |
2914 |
{ |
2915 |
struct shmid_ds dsarg;
|
2916 |
struct shminfo shminfo;
|
2917 |
struct shm_info shm_info;
|
2918 |
abi_long ret = -TARGET_EINVAL; |
2919 |
|
2920 |
cmd &= 0xff;
|
2921 |
|
2922 |
switch(cmd) {
|
2923 |
case IPC_STAT:
|
2924 |
case IPC_SET:
|
2925 |
case SHM_STAT:
|
2926 |
if (target_to_host_shmid_ds(&dsarg, buf))
|
2927 |
return -TARGET_EFAULT;
|
2928 |
ret = get_errno(shmctl(shmid, cmd, &dsarg)); |
2929 |
if (host_to_target_shmid_ds(buf, &dsarg))
|
2930 |
return -TARGET_EFAULT;
|
2931 |
break;
|
2932 |
case IPC_INFO:
|
2933 |
ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
|
2934 |
if (host_to_target_shminfo(buf, &shminfo))
|
2935 |
return -TARGET_EFAULT;
|
2936 |
break;
|
2937 |
case SHM_INFO:
|
2938 |
ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
|
2939 |
if (host_to_target_shm_info(buf, &shm_info))
|
2940 |
return -TARGET_EFAULT;
|
2941 |
break;
|
2942 |
case IPC_RMID:
|
2943 |
case SHM_LOCK:
|
2944 |
case SHM_UNLOCK:
|
2945 |
ret = get_errno(shmctl(shmid, cmd, NULL));
|
2946 |
break;
|
2947 |
} |
2948 |
|
2949 |
return ret;
|
2950 |
} |
2951 |
|
2952 |
static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg) |
2953 |
{ |
2954 |
abi_long raddr; |
2955 |
void *host_raddr;
|
2956 |
struct shmid_ds shm_info;
|
2957 |
int i,ret;
|
2958 |
|
2959 |
/* find out the length of the shared memory segment */
|
2960 |
ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); |
2961 |
if (is_error(ret)) {
|
2962 |
/* can't get length, bail out */
|
2963 |
return ret;
|
2964 |
} |
2965 |
|
2966 |
mmap_lock(); |
2967 |
|
2968 |
if (shmaddr)
|
2969 |
host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
|
2970 |
else {
|
2971 |
abi_ulong mmap_start; |
2972 |
|
2973 |
mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
|
2974 |
|
2975 |
if (mmap_start == -1) { |
2976 |
errno = ENOMEM; |
2977 |
host_raddr = (void *)-1; |
2978 |
} else
|
2979 |
host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); |
2980 |
} |
2981 |
|
2982 |
if (host_raddr == (void *)-1) { |
2983 |
mmap_unlock(); |
2984 |
return get_errno((long)host_raddr); |
2985 |
} |
2986 |
raddr=h2g((unsigned long)host_raddr); |
2987 |
|
2988 |
page_set_flags(raddr, raddr + shm_info.shm_segsz, |
2989 |
PAGE_VALID | PAGE_READ | |
2990 |
((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
|
2991 |
|
2992 |
for (i = 0; i < N_SHM_REGIONS; i++) { |
2993 |
if (shm_regions[i].start == 0) { |
2994 |
shm_regions[i].start = raddr; |
2995 |
shm_regions[i].size = shm_info.shm_segsz; |
2996 |
break;
|
2997 |
} |
2998 |
} |
2999 |
|
3000 |
mmap_unlock(); |
3001 |
return raddr;
|
3002 |
|
3003 |
} |
3004 |
|
3005 |
static inline abi_long do_shmdt(abi_ulong shmaddr) |
3006 |
{ |
3007 |
int i;
|
3008 |
|
3009 |
for (i = 0; i < N_SHM_REGIONS; ++i) { |
3010 |
if (shm_regions[i].start == shmaddr) {
|
3011 |
shm_regions[i].start = 0;
|
3012 |
page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
|
3013 |
break;
|
3014 |
} |
3015 |
} |
3016 |
|
3017 |
return get_errno(shmdt(g2h(shmaddr)));
|
3018 |
} |
3019 |
|
3020 |
#ifdef TARGET_NR_ipc
|
3021 |
/* ??? This only works with linear mappings. */
|
3022 |
/* do_ipc() must return target values and target errnos. */
|
3023 |
static abi_long do_ipc(unsigned int call, int first, |
3024 |
int second, int third, |
3025 |
abi_long ptr, abi_long fifth) |
3026 |
{ |
3027 |
int version;
|
3028 |
abi_long ret = 0;
|
3029 |
|
3030 |
version = call >> 16;
|
3031 |
call &= 0xffff;
|
3032 |
|
3033 |
switch (call) {
|
3034 |
case IPCOP_semop:
|
3035 |
ret = do_semop(first, ptr, second); |
3036 |
break;
|
3037 |
|
3038 |
case IPCOP_semget:
|
3039 |
ret = get_errno(semget(first, second, third)); |
3040 |
break;
|
3041 |
|
3042 |
case IPCOP_semctl:
|
3043 |
ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
|
3044 |
break;
|
3045 |
|
3046 |
case IPCOP_msgget:
|
3047 |
ret = get_errno(msgget(first, second)); |
3048 |
break;
|
3049 |
|
3050 |
case IPCOP_msgsnd:
|
3051 |
ret = do_msgsnd(first, ptr, second, third); |
3052 |
break;
|
3053 |
|
3054 |
case IPCOP_msgctl:
|
3055 |
ret = do_msgctl(first, second, ptr); |
3056 |
break;
|
3057 |
|
3058 |
case IPCOP_msgrcv:
|
3059 |
switch (version) {
|
3060 |
case 0: |
3061 |
{ |
3062 |
struct target_ipc_kludge {
|
3063 |
abi_long msgp; |
3064 |
abi_long msgtyp; |
3065 |
} *tmp; |
3066 |
|
3067 |
if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { |
3068 |
ret = -TARGET_EFAULT; |
3069 |
break;
|
3070 |
} |
3071 |
|
3072 |
ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
3073 |
|
3074 |
unlock_user_struct(tmp, ptr, 0);
|
3075 |
break;
|
3076 |
} |
3077 |
default:
|
3078 |
ret = do_msgrcv(first, ptr, second, fifth, third); |
3079 |
} |
3080 |
break;
|
3081 |
|
3082 |
case IPCOP_shmat:
|
3083 |
switch (version) {
|
3084 |
default:
|
3085 |
{ |
3086 |
abi_ulong raddr; |
3087 |
raddr = do_shmat(first, ptr, second); |
3088 |
if (is_error(raddr))
|
3089 |
return get_errno(raddr);
|
3090 |
if (put_user_ual(raddr, third))
|
3091 |
return -TARGET_EFAULT;
|
3092 |
break;
|
3093 |
} |
3094 |
case 1: |
3095 |
ret = -TARGET_EINVAL; |
3096 |
break;
|
3097 |
} |
3098 |
break;
|
3099 |
case IPCOP_shmdt:
|
3100 |
ret = do_shmdt(ptr); |
3101 |
break;
|
3102 |
|
3103 |
case IPCOP_shmget:
|
3104 |
/* IPC_* flag values are the same on all linux platforms */
|
3105 |
ret = get_errno(shmget(first, second, third)); |
3106 |
break;
|
3107 |
|
3108 |
/* IPC_* and SHM_* command values are the same on all linux platforms */
|
3109 |
case IPCOP_shmctl:
|
3110 |
ret = do_shmctl(first, second, ptr); |
3111 |
break;
|
3112 |
default:
|
3113 |
gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
|
3114 |
ret = -TARGET_ENOSYS; |
3115 |
break;
|
3116 |
} |
3117 |
return ret;
|
3118 |
} |
3119 |
#endif
|
3120 |
|
3121 |
/* kernel structure types definitions */
|
3122 |
|
3123 |
#define STRUCT(name, ...) STRUCT_ ## name, |
3124 |
#define STRUCT_SPECIAL(name) STRUCT_ ## name, |
3125 |
enum {
|
3126 |
#include "syscall_types.h" |
3127 |
}; |
3128 |
#undef STRUCT
|
3129 |
#undef STRUCT_SPECIAL
|
3130 |
|
3131 |
#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
3132 |
#define STRUCT_SPECIAL(name)
|
3133 |
#include "syscall_types.h" |
3134 |
#undef STRUCT
|
3135 |
#undef STRUCT_SPECIAL
|
3136 |
|
3137 |
typedef struct IOCTLEntry IOCTLEntry; |
3138 |
|
3139 |
typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp, |
3140 |
int fd, abi_long cmd, abi_long arg);
|
3141 |
|
3142 |
struct IOCTLEntry {
|
3143 |
unsigned int target_cmd; |
3144 |
unsigned int host_cmd; |
3145 |
const char *name; |
3146 |
int access;
|
3147 |
do_ioctl_fn *do_ioctl; |
3148 |
const argtype arg_type[5]; |
3149 |
}; |
3150 |
|
3151 |
#define IOC_R 0x0001 |
3152 |
#define IOC_W 0x0002 |
3153 |
#define IOC_RW (IOC_R | IOC_W)
|
3154 |
|
3155 |
#define MAX_STRUCT_SIZE 4096 |
3156 |
|
3157 |
#ifdef CONFIG_FIEMAP
|
3158 |
/* So fiemap access checks don't overflow on 32 bit systems.
|
3159 |
* This is very slightly smaller than the limit imposed by
|
3160 |
* the underlying kernel.
|
3161 |
*/
|
3162 |
#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ |
3163 |
/ sizeof(struct fiemap_extent)) |
3164 |
|
3165 |
static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, |
3166 |
int fd, abi_long cmd, abi_long arg)
|
3167 |
{ |
3168 |
/* The parameter for this ioctl is a struct fiemap followed
|
3169 |
* by an array of struct fiemap_extent whose size is set
|
3170 |
* in fiemap->fm_extent_count. The array is filled in by the
|
3171 |
* ioctl.
|
3172 |
*/
|
3173 |
int target_size_in, target_size_out;
|
3174 |
struct fiemap *fm;
|
3175 |
const argtype *arg_type = ie->arg_type;
|
3176 |
const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
|
3177 |
void *argptr, *p;
|
3178 |
abi_long ret; |
3179 |
int i, extent_size = thunk_type_size(extent_arg_type, 0); |
3180 |
uint32_t outbufsz; |
3181 |
int free_fm = 0; |
3182 |
|
3183 |
assert(arg_type[0] == TYPE_PTR);
|
3184 |
assert(ie->access == IOC_RW); |
3185 |
arg_type++; |
3186 |
target_size_in = thunk_type_size(arg_type, 0);
|
3187 |
argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
|
3188 |
if (!argptr) {
|
3189 |
return -TARGET_EFAULT;
|
3190 |
} |
3191 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3192 |
unlock_user(argptr, arg, 0);
|
3193 |
fm = (struct fiemap *)buf_temp;
|
3194 |
if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
|
3195 |
return -TARGET_EINVAL;
|
3196 |
} |
3197 |
|
3198 |
outbufsz = sizeof (*fm) +
|
3199 |
(sizeof(struct fiemap_extent) * fm->fm_extent_count); |
3200 |
|
3201 |
if (outbufsz > MAX_STRUCT_SIZE) {
|
3202 |
/* We can't fit all the extents into the fixed size buffer.
|
3203 |
* Allocate one that is large enough and use it instead.
|
3204 |
*/
|
3205 |
fm = malloc(outbufsz); |
3206 |
if (!fm) {
|
3207 |
return -TARGET_ENOMEM;
|
3208 |
} |
3209 |
memcpy(fm, buf_temp, sizeof(struct fiemap)); |
3210 |
free_fm = 1;
|
3211 |
} |
3212 |
ret = get_errno(ioctl(fd, ie->host_cmd, fm)); |
3213 |
if (!is_error(ret)) {
|
3214 |
target_size_out = target_size_in; |
3215 |
/* An extent_count of 0 means we were only counting the extents
|
3216 |
* so there are no structs to copy
|
3217 |
*/
|
3218 |
if (fm->fm_extent_count != 0) { |
3219 |
target_size_out += fm->fm_mapped_extents * extent_size; |
3220 |
} |
3221 |
argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
|
3222 |
if (!argptr) {
|
3223 |
ret = -TARGET_EFAULT; |
3224 |
} else {
|
3225 |
/* Convert the struct fiemap */
|
3226 |
thunk_convert(argptr, fm, arg_type, THUNK_TARGET); |
3227 |
if (fm->fm_extent_count != 0) { |
3228 |
p = argptr + target_size_in; |
3229 |
/* ...and then all the struct fiemap_extents */
|
3230 |
for (i = 0; i < fm->fm_mapped_extents; i++) { |
3231 |
thunk_convert(p, &fm->fm_extents[i], extent_arg_type, |
3232 |
THUNK_TARGET); |
3233 |
p += extent_size; |
3234 |
} |
3235 |
} |
3236 |
unlock_user(argptr, arg, target_size_out); |
3237 |
} |
3238 |
} |
3239 |
if (free_fm) {
|
3240 |
free(fm); |
3241 |
} |
3242 |
return ret;
|
3243 |
} |
3244 |
#endif
|
3245 |
|
3246 |
static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
3247 |
int fd, abi_long cmd, abi_long arg)
|
3248 |
{ |
3249 |
const argtype *arg_type = ie->arg_type;
|
3250 |
int target_size;
|
3251 |
void *argptr;
|
3252 |
int ret;
|
3253 |
struct ifconf *host_ifconf;
|
3254 |
uint32_t outbufsz; |
3255 |
const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
|
3256 |
int target_ifreq_size;
|
3257 |
int nb_ifreq;
|
3258 |
int free_buf = 0; |
3259 |
int i;
|
3260 |
int target_ifc_len;
|
3261 |
abi_long target_ifc_buf; |
3262 |
int host_ifc_len;
|
3263 |
char *host_ifc_buf;
|
3264 |
|
3265 |
assert(arg_type[0] == TYPE_PTR);
|
3266 |
assert(ie->access == IOC_RW); |
3267 |
|
3268 |
arg_type++; |
3269 |
target_size = thunk_type_size(arg_type, 0);
|
3270 |
|
3271 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
3272 |
if (!argptr)
|
3273 |
return -TARGET_EFAULT;
|
3274 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3275 |
unlock_user(argptr, arg, 0);
|
3276 |
|
3277 |
host_ifconf = (struct ifconf *)(unsigned long)buf_temp; |
3278 |
target_ifc_len = host_ifconf->ifc_len; |
3279 |
target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; |
3280 |
|
3281 |
target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
|
3282 |
nb_ifreq = target_ifc_len / target_ifreq_size; |
3283 |
host_ifc_len = nb_ifreq * sizeof(struct ifreq); |
3284 |
|
3285 |
outbufsz = sizeof(*host_ifconf) + host_ifc_len;
|
3286 |
if (outbufsz > MAX_STRUCT_SIZE) {
|
3287 |
/* We can't fit all the extents into the fixed size buffer.
|
3288 |
* Allocate one that is large enough and use it instead.
|
3289 |
*/
|
3290 |
host_ifconf = malloc(outbufsz); |
3291 |
if (!host_ifconf) {
|
3292 |
return -TARGET_ENOMEM;
|
3293 |
} |
3294 |
memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
|
3295 |
free_buf = 1;
|
3296 |
} |
3297 |
host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf); |
3298 |
|
3299 |
host_ifconf->ifc_len = host_ifc_len; |
3300 |
host_ifconf->ifc_buf = host_ifc_buf; |
3301 |
|
3302 |
ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf)); |
3303 |
if (!is_error(ret)) {
|
3304 |
/* convert host ifc_len to target ifc_len */
|
3305 |
|
3306 |
nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); |
3307 |
target_ifc_len = nb_ifreq * target_ifreq_size; |
3308 |
host_ifconf->ifc_len = target_ifc_len; |
3309 |
|
3310 |
/* restore target ifc_buf */
|
3311 |
|
3312 |
host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; |
3313 |
|
3314 |
/* copy struct ifconf to target user */
|
3315 |
|
3316 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
3317 |
if (!argptr)
|
3318 |
return -TARGET_EFAULT;
|
3319 |
thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); |
3320 |
unlock_user(argptr, arg, target_size); |
3321 |
|
3322 |
/* copy ifreq[] to target user */
|
3323 |
|
3324 |
argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
|
3325 |
for (i = 0; i < nb_ifreq ; i++) { |
3326 |
thunk_convert(argptr + i * target_ifreq_size, |
3327 |
host_ifc_buf + i * sizeof(struct ifreq), |
3328 |
ifreq_arg_type, THUNK_TARGET); |
3329 |
} |
3330 |
unlock_user(argptr, target_ifc_buf, target_ifc_len); |
3331 |
} |
3332 |
|
3333 |
if (free_buf) {
|
3334 |
free(host_ifconf); |
3335 |
} |
3336 |
|
3337 |
return ret;
|
3338 |
} |
3339 |
|
3340 |
static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
3341 |
abi_long cmd, abi_long arg) |
3342 |
{ |
3343 |
void *argptr;
|
3344 |
struct dm_ioctl *host_dm;
|
3345 |
abi_long guest_data; |
3346 |
uint32_t guest_data_size; |
3347 |
int target_size;
|
3348 |
const argtype *arg_type = ie->arg_type;
|
3349 |
abi_long ret; |
3350 |
void *big_buf = NULL; |
3351 |
char *host_data;
|
3352 |
|
3353 |
arg_type++; |
3354 |
target_size = thunk_type_size(arg_type, 0);
|
3355 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
3356 |
if (!argptr) {
|
3357 |
ret = -TARGET_EFAULT; |
3358 |
goto out;
|
3359 |
} |
3360 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3361 |
unlock_user(argptr, arg, 0);
|
3362 |
|
3363 |
/* buf_temp is too small, so fetch things into a bigger buffer */
|
3364 |
big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); |
3365 |
memcpy(big_buf, buf_temp, target_size); |
3366 |
buf_temp = big_buf; |
3367 |
host_dm = big_buf; |
3368 |
|
3369 |
guest_data = arg + host_dm->data_start; |
3370 |
if ((guest_data - arg) < 0) { |
3371 |
ret = -EINVAL; |
3372 |
goto out;
|
3373 |
} |
3374 |
guest_data_size = host_dm->data_size - host_dm->data_start; |
3375 |
host_data = (char*)host_dm + host_dm->data_start;
|
3376 |
|
3377 |
argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
|
3378 |
switch (ie->host_cmd) {
|
3379 |
case DM_REMOVE_ALL:
|
3380 |
case DM_LIST_DEVICES:
|
3381 |
case DM_DEV_CREATE:
|
3382 |
case DM_DEV_REMOVE:
|
3383 |
case DM_DEV_SUSPEND:
|
3384 |
case DM_DEV_STATUS:
|
3385 |
case DM_DEV_WAIT:
|
3386 |
case DM_TABLE_STATUS:
|
3387 |
case DM_TABLE_CLEAR:
|
3388 |
case DM_TABLE_DEPS:
|
3389 |
case DM_LIST_VERSIONS:
|
3390 |
/* no input data */
|
3391 |
break;
|
3392 |
case DM_DEV_RENAME:
|
3393 |
case DM_DEV_SET_GEOMETRY:
|
3394 |
/* data contains only strings */
|
3395 |
memcpy(host_data, argptr, guest_data_size); |
3396 |
break;
|
3397 |
case DM_TARGET_MSG:
|
3398 |
memcpy(host_data, argptr, guest_data_size); |
3399 |
*(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); |
3400 |
break;
|
3401 |
case DM_TABLE_LOAD:
|
3402 |
{ |
3403 |
void *gspec = argptr;
|
3404 |
void *cur_data = host_data;
|
3405 |
const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
|
3406 |
int spec_size = thunk_type_size(arg_type, 0); |
3407 |
int i;
|
3408 |
|
3409 |
for (i = 0; i < host_dm->target_count; i++) { |
3410 |
struct dm_target_spec *spec = cur_data;
|
3411 |
uint32_t next; |
3412 |
int slen;
|
3413 |
|
3414 |
thunk_convert(spec, gspec, arg_type, THUNK_HOST); |
3415 |
slen = strlen((char*)gspec + spec_size) + 1; |
3416 |
next = spec->next; |
3417 |
spec->next = sizeof(*spec) + slen;
|
3418 |
strcpy((char*)&spec[1], gspec + spec_size); |
3419 |
gspec += next; |
3420 |
cur_data += spec->next; |
3421 |
} |
3422 |
break;
|
3423 |
} |
3424 |
default:
|
3425 |
ret = -TARGET_EINVAL; |
3426 |
goto out;
|
3427 |
} |
3428 |
unlock_user(argptr, guest_data, 0);
|
3429 |
|
3430 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3431 |
if (!is_error(ret)) {
|
3432 |
guest_data = arg + host_dm->data_start; |
3433 |
guest_data_size = host_dm->data_size - host_dm->data_start; |
3434 |
argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
|
3435 |
switch (ie->host_cmd) {
|
3436 |
case DM_REMOVE_ALL:
|
3437 |
case DM_DEV_CREATE:
|
3438 |
case DM_DEV_REMOVE:
|
3439 |
case DM_DEV_RENAME:
|
3440 |
case DM_DEV_SUSPEND:
|
3441 |
case DM_DEV_STATUS:
|
3442 |
case DM_TABLE_LOAD:
|
3443 |
case DM_TABLE_CLEAR:
|
3444 |
case DM_TARGET_MSG:
|
3445 |
case DM_DEV_SET_GEOMETRY:
|
3446 |
/* no return data */
|
3447 |
break;
|
3448 |
case DM_LIST_DEVICES:
|
3449 |
{ |
3450 |
struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; |
3451 |
uint32_t remaining_data = guest_data_size; |
3452 |
void *cur_data = argptr;
|
3453 |
const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
|
3454 |
int nl_size = 12; /* can't use thunk_size due to alignment */ |
3455 |
|
3456 |
while (1) { |
3457 |
uint32_t next = nl->next; |
3458 |
if (next) {
|
3459 |
nl->next = nl_size + (strlen(nl->name) + 1);
|
3460 |
} |
3461 |
if (remaining_data < nl->next) {
|
3462 |
host_dm->flags |= DM_BUFFER_FULL_FLAG; |
3463 |
break;
|
3464 |
} |
3465 |
thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); |
3466 |
strcpy(cur_data + nl_size, nl->name); |
3467 |
cur_data += nl->next; |
3468 |
remaining_data -= nl->next; |
3469 |
if (!next) {
|
3470 |
break;
|
3471 |
} |
3472 |
nl = (void*)nl + next;
|
3473 |
} |
3474 |
break;
|
3475 |
} |
3476 |
case DM_DEV_WAIT:
|
3477 |
case DM_TABLE_STATUS:
|
3478 |
{ |
3479 |
struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; |
3480 |
void *cur_data = argptr;
|
3481 |
const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
|
3482 |
int spec_size = thunk_type_size(arg_type, 0); |
3483 |
int i;
|
3484 |
|
3485 |
for (i = 0; i < host_dm->target_count; i++) { |
3486 |
uint32_t next = spec->next; |
3487 |
int slen = strlen((char*)&spec[1]) + 1; |
3488 |
spec->next = (cur_data - argptr) + spec_size + slen; |
3489 |
if (guest_data_size < spec->next) {
|
3490 |
host_dm->flags |= DM_BUFFER_FULL_FLAG; |
3491 |
break;
|
3492 |
} |
3493 |
thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); |
3494 |
strcpy(cur_data + spec_size, (char*)&spec[1]); |
3495 |
cur_data = argptr + spec->next; |
3496 |
spec = (void*)host_dm + host_dm->data_start + next;
|
3497 |
} |
3498 |
break;
|
3499 |
} |
3500 |
case DM_TABLE_DEPS:
|
3501 |
{ |
3502 |
void *hdata = (void*)host_dm + host_dm->data_start; |
3503 |
int count = *(uint32_t*)hdata;
|
3504 |
uint64_t *hdev = hdata + 8;
|
3505 |
uint64_t *gdev = argptr + 8;
|
3506 |
int i;
|
3507 |
|
3508 |
*(uint32_t*)argptr = tswap32(count); |
3509 |
for (i = 0; i < count; i++) { |
3510 |
*gdev = tswap64(*hdev); |
3511 |
gdev++; |
3512 |
hdev++; |
3513 |
} |
3514 |
break;
|
3515 |
} |
3516 |
case DM_LIST_VERSIONS:
|
3517 |
{ |
3518 |
struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; |
3519 |
uint32_t remaining_data = guest_data_size; |
3520 |
void *cur_data = argptr;
|
3521 |
const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
|
3522 |
int vers_size = thunk_type_size(arg_type, 0); |
3523 |
|
3524 |
while (1) { |
3525 |
uint32_t next = vers->next; |
3526 |
if (next) {
|
3527 |
vers->next = vers_size + (strlen(vers->name) + 1);
|
3528 |
} |
3529 |
if (remaining_data < vers->next) {
|
3530 |
host_dm->flags |= DM_BUFFER_FULL_FLAG; |
3531 |
break;
|
3532 |
} |
3533 |
thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); |
3534 |
strcpy(cur_data + vers_size, vers->name); |
3535 |
cur_data += vers->next; |
3536 |
remaining_data -= vers->next; |
3537 |
if (!next) {
|
3538 |
break;
|
3539 |
} |
3540 |
vers = (void*)vers + next;
|
3541 |
} |
3542 |
break;
|
3543 |
} |
3544 |
default:
|
3545 |
ret = -TARGET_EINVAL; |
3546 |
goto out;
|
3547 |
} |
3548 |
unlock_user(argptr, guest_data, guest_data_size); |
3549 |
|
3550 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
3551 |
if (!argptr) {
|
3552 |
ret = -TARGET_EFAULT; |
3553 |
goto out;
|
3554 |
} |
3555 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
3556 |
unlock_user(argptr, arg, target_size); |
3557 |
} |
3558 |
out:
|
3559 |
g_free(big_buf); |
3560 |
return ret;
|
3561 |
} |
3562 |
|
3563 |
static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
3564 |
int fd, abi_long cmd, abi_long arg)
|
3565 |
{ |
3566 |
const argtype *arg_type = ie->arg_type;
|
3567 |
const StructEntry *se;
|
3568 |
const argtype *field_types;
|
3569 |
const int *dst_offsets, *src_offsets; |
3570 |
int target_size;
|
3571 |
void *argptr;
|
3572 |
abi_ulong *target_rt_dev_ptr; |
3573 |
unsigned long *host_rt_dev_ptr; |
3574 |
abi_long ret; |
3575 |
int i;
|
3576 |
|
3577 |
assert(ie->access == IOC_W); |
3578 |
assert(*arg_type == TYPE_PTR); |
3579 |
arg_type++; |
3580 |
assert(*arg_type == TYPE_STRUCT); |
3581 |
target_size = thunk_type_size(arg_type, 0);
|
3582 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
3583 |
if (!argptr) {
|
3584 |
return -TARGET_EFAULT;
|
3585 |
} |
3586 |
arg_type++; |
3587 |
assert(*arg_type == (int)STRUCT_rtentry);
|
3588 |
se = struct_entries + *arg_type++; |
3589 |
assert(se->convert[0] == NULL); |
3590 |
/* convert struct here to be able to catch rt_dev string */
|
3591 |
field_types = se->field_types; |
3592 |
dst_offsets = se->field_offsets[THUNK_HOST]; |
3593 |
src_offsets = se->field_offsets[THUNK_TARGET]; |
3594 |
for (i = 0; i < se->nb_fields; i++) { |
3595 |
if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { |
3596 |
assert(*field_types == TYPE_PTRVOID); |
3597 |
target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]); |
3598 |
host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); |
3599 |
if (*target_rt_dev_ptr != 0) { |
3600 |
*host_rt_dev_ptr = (unsigned long)lock_user_string( |
3601 |
tswapal(*target_rt_dev_ptr)); |
3602 |
if (!*host_rt_dev_ptr) {
|
3603 |
unlock_user(argptr, arg, 0);
|
3604 |
return -TARGET_EFAULT;
|
3605 |
} |
3606 |
} else {
|
3607 |
*host_rt_dev_ptr = 0;
|
3608 |
} |
3609 |
field_types++; |
3610 |
continue;
|
3611 |
} |
3612 |
field_types = thunk_convert(buf_temp + dst_offsets[i], |
3613 |
argptr + src_offsets[i], |
3614 |
field_types, THUNK_HOST); |
3615 |
} |
3616 |
unlock_user(argptr, arg, 0);
|
3617 |
|
3618 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3619 |
if (*host_rt_dev_ptr != 0) { |
3620 |
unlock_user((void *)*host_rt_dev_ptr,
|
3621 |
*target_rt_dev_ptr, 0);
|
3622 |
} |
3623 |
return ret;
|
3624 |
} |
3625 |
|
3626 |
static IOCTLEntry ioctl_entries[] = {
|
3627 |
#define IOCTL(cmd, access, ...) \
|
3628 |
{ TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
3629 |
#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
|
3630 |
{ TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, |
3631 |
#include "ioctls.h" |
3632 |
{ 0, 0, }, |
3633 |
}; |
3634 |
|
3635 |
/* ??? Implement proper locking for ioctls. */
|
3636 |
/* do_ioctl() Must return target values and target errnos. */
|
3637 |
static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) |
3638 |
{ |
3639 |
const IOCTLEntry *ie;
|
3640 |
const argtype *arg_type;
|
3641 |
abi_long ret; |
3642 |
uint8_t buf_temp[MAX_STRUCT_SIZE]; |
3643 |
int target_size;
|
3644 |
void *argptr;
|
3645 |
|
3646 |
ie = ioctl_entries; |
3647 |
for(;;) {
|
3648 |
if (ie->target_cmd == 0) { |
3649 |
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
3650 |
return -TARGET_ENOSYS;
|
3651 |
} |
3652 |
if (ie->target_cmd == cmd)
|
3653 |
break;
|
3654 |
ie++; |
3655 |
} |
3656 |
arg_type = ie->arg_type; |
3657 |
#if defined(DEBUG)
|
3658 |
gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); |
3659 |
#endif
|
3660 |
if (ie->do_ioctl) {
|
3661 |
return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
|
3662 |
} |
3663 |
|
3664 |
switch(arg_type[0]) { |
3665 |
case TYPE_NULL:
|
3666 |
/* no argument */
|
3667 |
ret = get_errno(ioctl(fd, ie->host_cmd)); |
3668 |
break;
|
3669 |
case TYPE_PTRVOID:
|
3670 |
case TYPE_INT:
|
3671 |
/* int argment */
|
3672 |
ret = get_errno(ioctl(fd, ie->host_cmd, arg)); |
3673 |
break;
|
3674 |
case TYPE_PTR:
|
3675 |
arg_type++; |
3676 |
target_size = thunk_type_size(arg_type, 0);
|
3677 |
switch(ie->access) {
|
3678 |
case IOC_R:
|
3679 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3680 |
if (!is_error(ret)) {
|
3681 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
3682 |
if (!argptr)
|
3683 |
return -TARGET_EFAULT;
|
3684 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
3685 |
unlock_user(argptr, arg, target_size); |
3686 |
} |
3687 |
break;
|
3688 |
case IOC_W:
|
3689 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
3690 |
if (!argptr)
|
3691 |
return -TARGET_EFAULT;
|
3692 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3693 |
unlock_user(argptr, arg, 0);
|
3694 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3695 |
break;
|
3696 |
default:
|
3697 |
case IOC_RW:
|
3698 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
3699 |
if (!argptr)
|
3700 |
return -TARGET_EFAULT;
|
3701 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3702 |
unlock_user(argptr, arg, 0);
|
3703 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3704 |
if (!is_error(ret)) {
|
3705 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
3706 |
if (!argptr)
|
3707 |
return -TARGET_EFAULT;
|
3708 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
3709 |
unlock_user(argptr, arg, target_size); |
3710 |
} |
3711 |
break;
|
3712 |
} |
3713 |
break;
|
3714 |
default:
|
3715 |
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
|
3716 |
(long)cmd, arg_type[0]); |
3717 |
ret = -TARGET_ENOSYS; |
3718 |
break;
|
3719 |
} |
3720 |
return ret;
|
3721 |
} |
3722 |
|
3723 |
static const bitmask_transtbl iflag_tbl[] = { |
3724 |
{ TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
3725 |
{ TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, |
3726 |
{ TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, |
3727 |
{ TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, |
3728 |
{ TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, |
3729 |
{ TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, |
3730 |
{ TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, |
3731 |
{ TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, |
3732 |
{ TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, |
3733 |
{ TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, |
3734 |
{ TARGET_IXON, TARGET_IXON, IXON, IXON }, |
3735 |
{ TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, |
3736 |
{ TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, |
3737 |
{ TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, |
3738 |
{ 0, 0, 0, 0 } |
3739 |
}; |
3740 |
|
3741 |
static const bitmask_transtbl oflag_tbl[] = { |
3742 |
{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
3743 |
{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, |
3744 |
{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, |
3745 |
{ TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, |
3746 |
{ TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, |
3747 |
{ TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, |
3748 |
{ TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, |
3749 |
{ TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, |
3750 |
{ TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, |
3751 |
{ TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, |
3752 |
{ TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, |
3753 |
{ TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, |
3754 |
{ TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, |
3755 |
{ TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, |
3756 |
{ TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, |
3757 |
{ TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, |
3758 |
{ TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, |
3759 |
{ TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, |
3760 |
{ TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, |
3761 |
{ TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, |
3762 |
{ TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, |
3763 |
{ TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, |
3764 |
{ TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, |
3765 |
{ TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, |
3766 |
{ 0, 0, 0, 0 } |
3767 |
}; |
3768 |
|
3769 |
static const bitmask_transtbl cflag_tbl[] = { |
3770 |
{ TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
3771 |
{ TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, |
3772 |
{ TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, |
3773 |
{ TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, |
3774 |
{ TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, |
3775 |
{ TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, |
3776 |
{ TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, |
3777 |
{ TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, |
3778 |
{ TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, |
3779 |
{ TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, |
3780 |
{ TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, |
3781 |
{ TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, |
3782 |
{ TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, |
3783 |
{ TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, |
3784 |
{ TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, |
3785 |
{ TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, |
3786 |
{ TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, |
3787 |
{ TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, |
3788 |
{ TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, |
3789 |
{ TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, |
3790 |
{ TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, |
3791 |
{ TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, |
3792 |
{ TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, |
3793 |
{ TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, |
3794 |
{ TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, |
3795 |
{ TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, |
3796 |
{ TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, |
3797 |
{ TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, |
3798 |
{ TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, |
3799 |
{ TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, |
3800 |
{ TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, |
3801 |
{ 0, 0, 0, 0 } |
3802 |
}; |
3803 |
|
3804 |
static const bitmask_transtbl lflag_tbl[] = { |
3805 |
{ TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
3806 |
{ TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, |
3807 |
{ TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, |
3808 |
{ TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, |
3809 |
{ TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, |
3810 |
{ TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, |
3811 |
{ TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, |
3812 |
{ TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, |
3813 |
{ TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, |
3814 |
{ TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, |
3815 |
{ TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, |
3816 |
{ TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, |
3817 |
{ TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, |
3818 |
{ TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, |
3819 |
{ TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, |
3820 |
{ 0, 0, 0, 0 } |
3821 |
}; |
3822 |
|
3823 |
static void target_to_host_termios (void *dst, const void *src) |
3824 |
{ |
3825 |
struct host_termios *host = dst;
|
3826 |
const struct target_termios *target = src; |
3827 |
|
3828 |
host->c_iflag = |
3829 |
target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
3830 |
host->c_oflag = |
3831 |
target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
3832 |
host->c_cflag = |
3833 |
target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
3834 |
host->c_lflag = |
3835 |
target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
3836 |
host->c_line = target->c_line; |
3837 |
|
3838 |
memset(host->c_cc, 0, sizeof(host->c_cc)); |
3839 |
host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
3840 |
host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; |
3841 |
host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
3842 |
host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3843 |
host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
3844 |
host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3845 |
host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
3846 |
host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3847 |
host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
3848 |
host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
3849 |
host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; |
3850 |
host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
3851 |
host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; |
3852 |
host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; |
3853 |
host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; |
3854 |
host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; |
3855 |
host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
3856 |
} |
3857 |
|
3858 |
static void host_to_target_termios (void *dst, const void *src) |
3859 |
{ |
3860 |
struct target_termios *target = dst;
|
3861 |
const struct host_termios *host = src; |
3862 |
|
3863 |
target->c_iflag = |
3864 |
tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
3865 |
target->c_oflag = |
3866 |
tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
3867 |
target->c_cflag = |
3868 |
tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
3869 |
target->c_lflag = |
3870 |
tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
3871 |
target->c_line = host->c_line; |
3872 |
|
3873 |
memset(target->c_cc, 0, sizeof(target->c_cc)); |
3874 |
target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
3875 |
target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; |
3876 |
target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; |
3877 |
target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; |
3878 |
target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; |
3879 |
target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; |
3880 |
target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; |
3881 |
target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; |
3882 |
target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; |
3883 |
target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; |
3884 |
target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; |
3885 |
target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; |
3886 |
target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; |
3887 |
target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; |
3888 |
target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; |
3889 |
target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; |
3890 |
target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; |
3891 |
} |
3892 |
|
3893 |
static const StructEntry struct_termios_def = { |
3894 |
.convert = { host_to_target_termios, target_to_host_termios }, |
3895 |
.size = { sizeof(struct target_termios), sizeof(struct host_termios) }, |
3896 |
.align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, |
3897 |
}; |
3898 |
|
3899 |
static bitmask_transtbl mmap_flags_tbl[] = {
|
3900 |
{ TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, |
3901 |
{ TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, |
3902 |
{ TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, |
3903 |
{ TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, |
3904 |
{ TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, |
3905 |
{ TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, |
3906 |
{ TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, |
3907 |
{ TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, |
3908 |
{ 0, 0, 0, 0 } |
3909 |
}; |
3910 |
|
3911 |
#if defined(TARGET_I386)
|
3912 |
|
3913 |
/* NOTE: there is really one LDT for all the threads */
|
3914 |
static uint8_t *ldt_table;
|
3915 |
|
3916 |
static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
3917 |
{ |
3918 |
int size;
|
3919 |
void *p;
|
3920 |
|
3921 |
if (!ldt_table)
|
3922 |
return 0; |
3923 |
size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; |
3924 |
if (size > bytecount)
|
3925 |
size = bytecount; |
3926 |
p = lock_user(VERIFY_WRITE, ptr, size, 0);
|
3927 |
if (!p)
|
3928 |
return -TARGET_EFAULT;
|
3929 |
/* ??? Should this by byteswapped? */
|
3930 |
memcpy(p, ldt_table, size); |
3931 |
unlock_user(p, ptr, size); |
3932 |
return size;
|
3933 |
} |
3934 |
|
3935 |
/* XXX: add locking support */
|
3936 |
static abi_long write_ldt(CPUX86State *env,
|
3937 |
abi_ulong ptr, unsigned long bytecount, int oldmode) |
3938 |
{ |
3939 |
struct target_modify_ldt_ldt_s ldt_info;
|
3940 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
3941 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
3942 |
int seg_not_present, useable, lm;
|
3943 |
uint32_t *lp, entry_1, entry_2; |
3944 |
|
3945 |
if (bytecount != sizeof(ldt_info)) |
3946 |
return -TARGET_EINVAL;
|
3947 |
if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
3948 |
return -TARGET_EFAULT;
|
3949 |
ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
3950 |
ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
3951 |
ldt_info.limit = tswap32(target_ldt_info->limit); |
3952 |
ldt_info.flags = tswap32(target_ldt_info->flags); |
3953 |
unlock_user_struct(target_ldt_info, ptr, 0);
|
3954 |
|
3955 |
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
|
3956 |
return -TARGET_EINVAL;
|
3957 |
seg_32bit = ldt_info.flags & 1;
|
3958 |
contents = (ldt_info.flags >> 1) & 3; |
3959 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
3960 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
3961 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
3962 |
useable = (ldt_info.flags >> 6) & 1; |
3963 |
#ifdef TARGET_ABI32
|
3964 |
lm = 0;
|
3965 |
#else
|
3966 |
lm = (ldt_info.flags >> 7) & 1; |
3967 |
#endif
|
3968 |
if (contents == 3) { |
3969 |
if (oldmode)
|
3970 |
return -TARGET_EINVAL;
|
3971 |
if (seg_not_present == 0) |
3972 |
return -TARGET_EINVAL;
|
3973 |
} |
3974 |
/* allocate the LDT */
|
3975 |
if (!ldt_table) {
|
3976 |
env->ldt.base = target_mmap(0,
|
3977 |
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, |
3978 |
PROT_READ|PROT_WRITE, |
3979 |
MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); |
3980 |
if (env->ldt.base == -1) |
3981 |
return -TARGET_ENOMEM;
|
3982 |
memset(g2h(env->ldt.base), 0,
|
3983 |
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
3984 |
env->ldt.limit = 0xffff;
|
3985 |
ldt_table = g2h(env->ldt.base); |
3986 |
} |
3987 |
|
3988 |
/* NOTE: same code as Linux kernel */
|
3989 |
/* Allow LDTs to be cleared by the user. */
|
3990 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
3991 |
if (oldmode ||
|
3992 |
(contents == 0 &&
|
3993 |
read_exec_only == 1 &&
|
3994 |
seg_32bit == 0 &&
|
3995 |
limit_in_pages == 0 &&
|
3996 |
seg_not_present == 1 &&
|
3997 |
useable == 0 )) {
|
3998 |
entry_1 = 0;
|
3999 |
entry_2 = 0;
|
4000 |
goto install;
|
4001 |
} |
4002 |
} |
4003 |
|
4004 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
4005 |
(ldt_info.limit & 0x0ffff);
|
4006 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
4007 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
4008 |
(ldt_info.limit & 0xf0000) |
|
4009 |
((read_exec_only ^ 1) << 9) | |
4010 |
(contents << 10) |
|
4011 |
((seg_not_present ^ 1) << 15) | |
4012 |
(seg_32bit << 22) |
|
4013 |
(limit_in_pages << 23) |
|
4014 |
(lm << 21) |
|
4015 |
0x7000;
|
4016 |
if (!oldmode)
|
4017 |
entry_2 |= (useable << 20);
|
4018 |
|
4019 |
/* Install the new entry ... */
|
4020 |
install:
|
4021 |
lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
|
4022 |
lp[0] = tswap32(entry_1);
|
4023 |
lp[1] = tswap32(entry_2);
|
4024 |
return 0; |
4025 |
} |
4026 |
|
4027 |
/* specific and weird i386 syscalls */
|
4028 |
static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
4029 |
unsigned long bytecount) |
4030 |
{ |
4031 |
abi_long ret; |
4032 |
|
4033 |
switch (func) {
|
4034 |
case 0: |
4035 |
ret = read_ldt(ptr, bytecount); |
4036 |
break;
|
4037 |
case 1: |
4038 |
ret = write_ldt(env, ptr, bytecount, 1);
|
4039 |
break;
|
4040 |
case 0x11: |
4041 |
ret = write_ldt(env, ptr, bytecount, 0);
|
4042 |
break;
|
4043 |
default:
|
4044 |
ret = -TARGET_ENOSYS; |
4045 |
break;
|
4046 |
} |
4047 |
return ret;
|
4048 |
} |
4049 |
|
4050 |
#if defined(TARGET_I386) && defined(TARGET_ABI32)
|
4051 |
abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
4052 |
{ |
4053 |
uint64_t *gdt_table = g2h(env->gdt.base); |
4054 |
struct target_modify_ldt_ldt_s ldt_info;
|
4055 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
4056 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
4057 |
int seg_not_present, useable, lm;
|
4058 |
uint32_t *lp, entry_1, entry_2; |
4059 |
int i;
|
4060 |
|
4061 |
lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
|
4062 |
if (!target_ldt_info)
|
4063 |
return -TARGET_EFAULT;
|
4064 |
ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
4065 |
ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
4066 |
ldt_info.limit = tswap32(target_ldt_info->limit); |
4067 |
ldt_info.flags = tswap32(target_ldt_info->flags); |
4068 |
if (ldt_info.entry_number == -1) { |
4069 |
for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
|
4070 |
if (gdt_table[i] == 0) { |
4071 |
ldt_info.entry_number = i; |
4072 |
target_ldt_info->entry_number = tswap32(i); |
4073 |
break;
|
4074 |
} |
4075 |
} |
4076 |
} |
4077 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
4078 |
|
4079 |
if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
|
4080 |
ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) |
4081 |
return -TARGET_EINVAL;
|
4082 |
seg_32bit = ldt_info.flags & 1;
|
4083 |
contents = (ldt_info.flags >> 1) & 3; |
4084 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
4085 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
4086 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
4087 |
useable = (ldt_info.flags >> 6) & 1; |
4088 |
#ifdef TARGET_ABI32
|
4089 |
lm = 0;
|
4090 |
#else
|
4091 |
lm = (ldt_info.flags >> 7) & 1; |
4092 |
#endif
|
4093 |
|
4094 |
if (contents == 3) { |
4095 |
if (seg_not_present == 0) |
4096 |
return -TARGET_EINVAL;
|
4097 |
} |
4098 |
|
4099 |
/* NOTE: same code as Linux kernel */
|
4100 |
/* Allow LDTs to be cleared by the user. */
|
4101 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
4102 |
if ((contents == 0 && |
4103 |
read_exec_only == 1 &&
|
4104 |
seg_32bit == 0 &&
|
4105 |
limit_in_pages == 0 &&
|
4106 |
seg_not_present == 1 &&
|
4107 |
useable == 0 )) {
|
4108 |
entry_1 = 0;
|
4109 |
entry_2 = 0;
|
4110 |
goto install;
|
4111 |
} |
4112 |
} |
4113 |
|
4114 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
4115 |
(ldt_info.limit & 0x0ffff);
|
4116 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
4117 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
4118 |
(ldt_info.limit & 0xf0000) |
|
4119 |
((read_exec_only ^ 1) << 9) | |
4120 |
(contents << 10) |
|
4121 |
((seg_not_present ^ 1) << 15) | |
4122 |
(seg_32bit << 22) |
|
4123 |
(limit_in_pages << 23) |
|
4124 |
(useable << 20) |
|
4125 |
(lm << 21) |
|
4126 |
0x7000;
|
4127 |
|
4128 |
/* Install the new entry ... */
|
4129 |
install:
|
4130 |
lp = (uint32_t *)(gdt_table + ldt_info.entry_number); |
4131 |
lp[0] = tswap32(entry_1);
|
4132 |
lp[1] = tswap32(entry_2);
|
4133 |
return 0; |
4134 |
} |
4135 |
|
4136 |
static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
|
4137 |
{ |
4138 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
4139 |
uint64_t *gdt_table = g2h(env->gdt.base); |
4140 |
uint32_t base_addr, limit, flags; |
4141 |
int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
|
4142 |
int seg_not_present, useable, lm;
|
4143 |
uint32_t *lp, entry_1, entry_2; |
4144 |
|
4145 |
lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
|
4146 |
if (!target_ldt_info)
|
4147 |
return -TARGET_EFAULT;
|
4148 |
idx = tswap32(target_ldt_info->entry_number); |
4149 |
if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
|
4150 |
idx > TARGET_GDT_ENTRY_TLS_MAX) { |
4151 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
4152 |
return -TARGET_EINVAL;
|
4153 |
} |
4154 |
lp = (uint32_t *)(gdt_table + idx); |
4155 |
entry_1 = tswap32(lp[0]);
|
4156 |
entry_2 = tswap32(lp[1]);
|
4157 |
|
4158 |
read_exec_only = ((entry_2 >> 9) & 1) ^ 1; |
4159 |
contents = (entry_2 >> 10) & 3; |
4160 |
seg_not_present = ((entry_2 >> 15) & 1) ^ 1; |
4161 |
seg_32bit = (entry_2 >> 22) & 1; |
4162 |
limit_in_pages = (entry_2 >> 23) & 1; |
4163 |
useable = (entry_2 >> 20) & 1; |
4164 |
#ifdef TARGET_ABI32
|
4165 |
lm = 0;
|
4166 |
#else
|
4167 |
lm = (entry_2 >> 21) & 1; |
4168 |
#endif
|
4169 |
flags = (seg_32bit << 0) | (contents << 1) | |
4170 |
(read_exec_only << 3) | (limit_in_pages << 4) | |
4171 |
(seg_not_present << 5) | (useable << 6) | (lm << 7); |
4172 |
limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); |
4173 |
base_addr = (entry_1 >> 16) |
|
4174 |
(entry_2 & 0xff000000) |
|
4175 |
((entry_2 & 0xff) << 16); |
4176 |
target_ldt_info->base_addr = tswapal(base_addr); |
4177 |
target_ldt_info->limit = tswap32(limit); |
4178 |
target_ldt_info->flags = tswap32(flags); |
4179 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
4180 |
return 0; |
4181 |
} |
4182 |
#endif /* TARGET_I386 && TARGET_ABI32 */ |
4183 |
|
4184 |
#ifndef TARGET_ABI32
|
4185 |
abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
|
4186 |
{ |
4187 |
abi_long ret = 0;
|
4188 |
abi_ulong val; |
4189 |
int idx;
|
4190 |
|
4191 |
switch(code) {
|
4192 |
case TARGET_ARCH_SET_GS:
|
4193 |
case TARGET_ARCH_SET_FS:
|
4194 |
if (code == TARGET_ARCH_SET_GS)
|
4195 |
idx = R_GS; |
4196 |
else
|
4197 |
idx = R_FS; |
4198 |
cpu_x86_load_seg(env, idx, 0);
|
4199 |
env->segs[idx].base = addr; |
4200 |
break;
|
4201 |
case TARGET_ARCH_GET_GS:
|
4202 |
case TARGET_ARCH_GET_FS:
|
4203 |
if (code == TARGET_ARCH_GET_GS)
|
4204 |
idx = R_GS; |
4205 |
else
|
4206 |
idx = R_FS; |
4207 |
val = env->segs[idx].base; |
4208 |
if (put_user(val, addr, abi_ulong))
|
4209 |
ret = -TARGET_EFAULT; |
4210 |
break;
|
4211 |
default:
|
4212 |
ret = -TARGET_EINVAL; |
4213 |
break;
|
4214 |
} |
4215 |
return ret;
|
4216 |
} |
4217 |
#endif
|
4218 |
|
4219 |
#endif /* defined(TARGET_I386) */ |
4220 |
|
4221 |
#define NEW_STACK_SIZE 0x40000 |
4222 |
|
4223 |
|
4224 |
static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
|
4225 |
typedef struct { |
4226 |
CPUArchState *env; |
4227 |
pthread_mutex_t mutex; |
4228 |
pthread_cond_t cond; |
4229 |
pthread_t thread; |
4230 |
uint32_t tid; |
4231 |
abi_ulong child_tidptr; |
4232 |
abi_ulong parent_tidptr; |
4233 |
sigset_t sigmask; |
4234 |
} new_thread_info; |
4235 |
|
4236 |
static void *clone_func(void *arg) |
4237 |
{ |
4238 |
new_thread_info *info = arg; |
4239 |
CPUArchState *env; |
4240 |
CPUState *cpu; |
4241 |
TaskState *ts; |
4242 |
|
4243 |
env = info->env; |
4244 |
cpu = ENV_GET_CPU(env); |
4245 |
thread_cpu = cpu; |
4246 |
ts = (TaskState *)env->opaque; |
4247 |
info->tid = gettid(); |
4248 |
cpu->host_tid = info->tid; |
4249 |
task_settid(ts); |
4250 |
if (info->child_tidptr)
|
4251 |
put_user_u32(info->tid, info->child_tidptr); |
4252 |
if (info->parent_tidptr)
|
4253 |
put_user_u32(info->tid, info->parent_tidptr); |
4254 |
/* Enable signals. */
|
4255 |
sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
|
4256 |
/* Signal to the parent that we're ready. */
|
4257 |
pthread_mutex_lock(&info->mutex); |
4258 |
pthread_cond_broadcast(&info->cond); |
4259 |
pthread_mutex_unlock(&info->mutex); |
4260 |
/* Wait until the parent has finshed initializing the tls state. */
|
4261 |
pthread_mutex_lock(&clone_lock); |
4262 |
pthread_mutex_unlock(&clone_lock); |
4263 |
cpu_loop(env); |
4264 |
/* never exits */
|
4265 |
return NULL; |
4266 |
} |
4267 |
|
4268 |
/* do_fork() Must return host values and target errnos (unlike most
|
4269 |
do_*() functions). */
|
4270 |
static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
4271 |
abi_ulong parent_tidptr, target_ulong newtls, |
4272 |
abi_ulong child_tidptr) |
4273 |
{ |
4274 |
int ret;
|
4275 |
TaskState *ts; |
4276 |
CPUArchState *new_env; |
4277 |
unsigned int nptl_flags; |
4278 |
sigset_t sigmask; |
4279 |
|
4280 |
/* Emulate vfork() with fork() */
|
4281 |
if (flags & CLONE_VFORK)
|
4282 |
flags &= ~(CLONE_VFORK | CLONE_VM); |
4283 |
|
4284 |
if (flags & CLONE_VM) {
|
4285 |
TaskState *parent_ts = (TaskState *)env->opaque; |
4286 |
new_thread_info info; |
4287 |
pthread_attr_t attr; |
4288 |
|
4289 |
ts = g_malloc0(sizeof(TaskState));
|
4290 |
init_task_state(ts); |
4291 |
/* we create a new CPU instance. */
|
4292 |
new_env = cpu_copy(env); |
4293 |
/* Init regs that differ from the parent. */
|
4294 |
cpu_clone_regs(new_env, newsp); |
4295 |
new_env->opaque = ts; |
4296 |
ts->bprm = parent_ts->bprm; |
4297 |
ts->info = parent_ts->info; |
4298 |
nptl_flags = flags; |
4299 |
flags &= ~CLONE_NPTL_FLAGS2; |
4300 |
|
4301 |
if (nptl_flags & CLONE_CHILD_CLEARTID) {
|
4302 |
ts->child_tidptr = child_tidptr; |
4303 |
} |
4304 |
|
4305 |
if (nptl_flags & CLONE_SETTLS)
|
4306 |
cpu_set_tls (new_env, newtls); |
4307 |
|
4308 |
/* Grab a mutex so that thread setup appears atomic. */
|
4309 |
pthread_mutex_lock(&clone_lock); |
4310 |
|
4311 |
memset(&info, 0, sizeof(info)); |
4312 |
pthread_mutex_init(&info.mutex, NULL);
|
4313 |
pthread_mutex_lock(&info.mutex); |
4314 |
pthread_cond_init(&info.cond, NULL);
|
4315 |
info.env = new_env; |
4316 |
if (nptl_flags & CLONE_CHILD_SETTID)
|
4317 |
info.child_tidptr = child_tidptr; |
4318 |
if (nptl_flags & CLONE_PARENT_SETTID)
|
4319 |
info.parent_tidptr = parent_tidptr; |
4320 |
|
4321 |
ret = pthread_attr_init(&attr); |
4322 |
ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
4323 |
ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); |
4324 |
/* It is not safe to deliver signals until the child has finished
|
4325 |
initializing, so temporarily block all signals. */
|
4326 |
sigfillset(&sigmask); |
4327 |
sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); |
4328 |
|
4329 |
ret = pthread_create(&info.thread, &attr, clone_func, &info); |
4330 |
/* TODO: Free new CPU state if thread creation failed. */
|
4331 |
|
4332 |
sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
|
4333 |
pthread_attr_destroy(&attr); |
4334 |
if (ret == 0) { |
4335 |
/* Wait for the child to initialize. */
|
4336 |
pthread_cond_wait(&info.cond, &info.mutex); |
4337 |
ret = info.tid; |
4338 |
if (flags & CLONE_PARENT_SETTID)
|
4339 |
put_user_u32(ret, parent_tidptr); |
4340 |
} else {
|
4341 |
ret = -1;
|
4342 |
} |
4343 |
pthread_mutex_unlock(&info.mutex); |
4344 |
pthread_cond_destroy(&info.cond); |
4345 |
pthread_mutex_destroy(&info.mutex); |
4346 |
pthread_mutex_unlock(&clone_lock); |
4347 |
} else {
|
4348 |
/* if no CLONE_VM, we consider it is a fork */
|
4349 |
if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) |
4350 |
return -EINVAL;
|
4351 |
fork_start(); |
4352 |
ret = fork(); |
4353 |
if (ret == 0) { |
4354 |
/* Child Process. */
|
4355 |
cpu_clone_regs(env, newsp); |
4356 |
fork_end(1);
|
4357 |
/* There is a race condition here. The parent process could
|
4358 |
theoretically read the TID in the child process before the child
|
4359 |
tid is set. This would require using either ptrace
|
4360 |
(not implemented) or having *_tidptr to point at a shared memory
|
4361 |
mapping. We can't repeat the spinlock hack used above because
|
4362 |
the child process gets its own copy of the lock. */
|
4363 |
if (flags & CLONE_CHILD_SETTID)
|
4364 |
put_user_u32(gettid(), child_tidptr); |
4365 |
if (flags & CLONE_PARENT_SETTID)
|
4366 |
put_user_u32(gettid(), parent_tidptr); |
4367 |
ts = (TaskState *)env->opaque; |
4368 |
if (flags & CLONE_SETTLS)
|
4369 |
cpu_set_tls (env, newtls); |
4370 |
if (flags & CLONE_CHILD_CLEARTID)
|
4371 |
ts->child_tidptr = child_tidptr; |
4372 |
} else {
|
4373 |
fork_end(0);
|
4374 |
} |
4375 |
} |
4376 |
return ret;
|
4377 |
} |
4378 |
|
4379 |
/* warning : doesn't handle linux specific flags... */
|
4380 |
static int target_to_host_fcntl_cmd(int cmd) |
4381 |
{ |
4382 |
switch(cmd) {
|
4383 |
case TARGET_F_DUPFD:
|
4384 |
case TARGET_F_GETFD:
|
4385 |
case TARGET_F_SETFD:
|
4386 |
case TARGET_F_GETFL:
|
4387 |
case TARGET_F_SETFL:
|
4388 |
return cmd;
|
4389 |
case TARGET_F_GETLK:
|
4390 |
return F_GETLK;
|
4391 |
case TARGET_F_SETLK:
|
4392 |
return F_SETLK;
|
4393 |
case TARGET_F_SETLKW:
|
4394 |
return F_SETLKW;
|
4395 |
case TARGET_F_GETOWN:
|
4396 |
return F_GETOWN;
|
4397 |
case TARGET_F_SETOWN:
|
4398 |
return F_SETOWN;
|
4399 |
case TARGET_F_GETSIG:
|
4400 |
return F_GETSIG;
|
4401 |
case TARGET_F_SETSIG:
|
4402 |
return F_SETSIG;
|
4403 |
#if TARGET_ABI_BITS == 32 |
4404 |
case TARGET_F_GETLK64:
|
4405 |
return F_GETLK64;
|
4406 |
case TARGET_F_SETLK64:
|
4407 |
return F_SETLK64;
|
4408 |
case TARGET_F_SETLKW64:
|
4409 |
return F_SETLKW64;
|
4410 |
#endif
|
4411 |
case TARGET_F_SETLEASE:
|
4412 |
return F_SETLEASE;
|
4413 |
case TARGET_F_GETLEASE:
|
4414 |
return F_GETLEASE;
|
4415 |
#ifdef F_DUPFD_CLOEXEC
|
4416 |
case TARGET_F_DUPFD_CLOEXEC:
|
4417 |
return F_DUPFD_CLOEXEC;
|
4418 |
#endif
|
4419 |
case TARGET_F_NOTIFY:
|
4420 |
return F_NOTIFY;
|
4421 |
default:
|
4422 |
return -TARGET_EINVAL;
|
4423 |
} |
4424 |
return -TARGET_EINVAL;
|
4425 |
} |
4426 |
|
4427 |
#define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a } |
4428 |
static const bitmask_transtbl flock_tbl[] = { |
4429 |
TRANSTBL_CONVERT(F_RDLCK), |
4430 |
TRANSTBL_CONVERT(F_WRLCK), |
4431 |
TRANSTBL_CONVERT(F_UNLCK), |
4432 |
TRANSTBL_CONVERT(F_EXLCK), |
4433 |
TRANSTBL_CONVERT(F_SHLCK), |
4434 |
{ 0, 0, 0, 0 } |
4435 |
}; |
4436 |
|
4437 |
static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) |
4438 |
{ |
4439 |
struct flock fl;
|
4440 |
struct target_flock *target_fl;
|
4441 |
struct flock64 fl64;
|
4442 |
struct target_flock64 *target_fl64;
|
4443 |
abi_long ret; |
4444 |
int host_cmd = target_to_host_fcntl_cmd(cmd);
|
4445 |
|
4446 |
if (host_cmd == -TARGET_EINVAL)
|
4447 |
return host_cmd;
|
4448 |
|
4449 |
switch(cmd) {
|
4450 |
case TARGET_F_GETLK:
|
4451 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
4452 |
return -TARGET_EFAULT;
|
4453 |
fl.l_type = |
4454 |
target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl); |
4455 |
fl.l_whence = tswap16(target_fl->l_whence); |
4456 |
fl.l_start = tswapal(target_fl->l_start); |
4457 |
fl.l_len = tswapal(target_fl->l_len); |
4458 |
fl.l_pid = tswap32(target_fl->l_pid); |
4459 |
unlock_user_struct(target_fl, arg, 0);
|
4460 |
ret = get_errno(fcntl(fd, host_cmd, &fl)); |
4461 |
if (ret == 0) { |
4462 |
if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) |
4463 |
return -TARGET_EFAULT;
|
4464 |
target_fl->l_type = |
4465 |
host_to_target_bitmask(tswap16(fl.l_type), flock_tbl); |
4466 |
target_fl->l_whence = tswap16(fl.l_whence); |
4467 |
target_fl->l_start = tswapal(fl.l_start); |
4468 |
target_fl->l_len = tswapal(fl.l_len); |
4469 |
target_fl->l_pid = tswap32(fl.l_pid); |
4470 |
unlock_user_struct(target_fl, arg, 1);
|
4471 |
} |
4472 |
break;
|
4473 |
|
4474 |
case TARGET_F_SETLK:
|
4475 |
case TARGET_F_SETLKW:
|
4476 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
4477 |
return -TARGET_EFAULT;
|
4478 |
fl.l_type = |
4479 |
target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl); |
4480 |
fl.l_whence = tswap16(target_fl->l_whence); |
4481 |
fl.l_start = tswapal(target_fl->l_start); |
4482 |
fl.l_len = tswapal(target_fl->l_len); |
4483 |
fl.l_pid = tswap32(target_fl->l_pid); |
4484 |
unlock_user_struct(target_fl, arg, 0);
|
4485 |
ret = get_errno(fcntl(fd, host_cmd, &fl)); |
4486 |
break;
|
4487 |
|
4488 |
case TARGET_F_GETLK64:
|
4489 |
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
4490 |
return -TARGET_EFAULT;
|
4491 |
fl64.l_type = |
4492 |
target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
|
4493 |
fl64.l_whence = tswap16(target_fl64->l_whence); |
4494 |
fl64.l_start = tswap64(target_fl64->l_start); |
4495 |
fl64.l_len = tswap64(target_fl64->l_len); |
4496 |
fl64.l_pid = tswap32(target_fl64->l_pid); |
4497 |
unlock_user_struct(target_fl64, arg, 0);
|
4498 |
ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
4499 |
if (ret == 0) { |
4500 |
if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) |
4501 |
return -TARGET_EFAULT;
|
4502 |
target_fl64->l_type = |
4503 |
host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1;
|
4504 |
target_fl64->l_whence = tswap16(fl64.l_whence); |
4505 |
target_fl64->l_start = tswap64(fl64.l_start); |
4506 |
target_fl64->l_len = tswap64(fl64.l_len); |
4507 |
target_fl64->l_pid = tswap32(fl64.l_pid); |
4508 |
unlock_user_struct(target_fl64, arg, 1);
|
4509 |
} |
4510 |
break;
|
4511 |
case TARGET_F_SETLK64:
|
4512 |
case TARGET_F_SETLKW64:
|
4513 |
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
4514 |
return -TARGET_EFAULT;
|
4515 |
fl64.l_type = |
4516 |
target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
|
4517 |
fl64.l_whence = tswap16(target_fl64->l_whence); |
4518 |
fl64.l_start = tswap64(target_fl64->l_start); |
4519 |
fl64.l_len = tswap64(target_fl64->l_len); |
4520 |
fl64.l_pid = tswap32(target_fl64->l_pid); |
4521 |
unlock_user_struct(target_fl64, arg, 0);
|
4522 |
ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
4523 |
break;
|
4524 |
|
4525 |
case TARGET_F_GETFL:
|
4526 |
ret = get_errno(fcntl(fd, host_cmd, arg)); |
4527 |
if (ret >= 0) { |
4528 |
ret = host_to_target_bitmask(ret, fcntl_flags_tbl); |
4529 |
} |
4530 |
break;
|
4531 |
|
4532 |
case TARGET_F_SETFL:
|
4533 |
ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); |
4534 |
break;
|
4535 |
|
4536 |
case TARGET_F_SETOWN:
|
4537 |
case TARGET_F_GETOWN:
|
4538 |
case TARGET_F_SETSIG:
|
4539 |
case TARGET_F_GETSIG:
|
4540 |
case TARGET_F_SETLEASE:
|
4541 |
case TARGET_F_GETLEASE:
|
4542 |
ret = get_errno(fcntl(fd, host_cmd, arg)); |
4543 |
break;
|
4544 |
|
4545 |
default:
|
4546 |
ret = get_errno(fcntl(fd, cmd, arg)); |
4547 |
break;
|
4548 |
} |
4549 |
return ret;
|
4550 |
} |
4551 |
|
4552 |
#ifdef USE_UID16
|
4553 |
|
4554 |
static inline int high2lowuid(int uid) |
4555 |
{ |
4556 |
if (uid > 65535) |
4557 |
return 65534; |
4558 |
else
|
4559 |
return uid;
|
4560 |
} |
4561 |
|
4562 |
static inline int high2lowgid(int gid) |
4563 |
{ |
4564 |
if (gid > 65535) |
4565 |
return 65534; |
4566 |
else
|
4567 |
return gid;
|
4568 |
} |
4569 |
|
4570 |
static inline int low2highuid(int uid) |
4571 |
{ |
4572 |
if ((int16_t)uid == -1) |
4573 |
return -1; |
4574 |
else
|
4575 |
return uid;
|
4576 |
} |
4577 |
|
4578 |
static inline int low2highgid(int gid) |
4579 |
{ |
4580 |
if ((int16_t)gid == -1) |
4581 |
return -1; |
4582 |
else
|
4583 |
return gid;
|
4584 |
} |
4585 |
static inline int tswapid(int id) |
4586 |
{ |
4587 |
return tswap16(id);
|
4588 |
} |
4589 |
|
4590 |
#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
|
4591 |
|
4592 |
#else /* !USE_UID16 */ |
4593 |
static inline int high2lowuid(int uid) |
4594 |
{ |
4595 |
return uid;
|
4596 |
} |
4597 |
static inline int high2lowgid(int gid) |
4598 |
{ |
4599 |
return gid;
|
4600 |
} |
4601 |
static inline int low2highuid(int uid) |
4602 |
{ |
4603 |
return uid;
|
4604 |
} |
4605 |
static inline int low2highgid(int gid) |
4606 |
{ |
4607 |
return gid;
|
4608 |
} |
4609 |
static inline int tswapid(int id) |
4610 |
{ |
4611 |
return tswap32(id);
|
4612 |
} |
4613 |
|
4614 |
#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
|
4615 |
|
4616 |
#endif /* USE_UID16 */ |
4617 |
|
4618 |
void syscall_init(void) |
4619 |
{ |
4620 |
IOCTLEntry *ie; |
4621 |
const argtype *arg_type;
|
4622 |
int size;
|
4623 |
int i;
|
4624 |
|
4625 |
#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
4626 |
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
4627 |
#include "syscall_types.h" |
4628 |
#undef STRUCT
|
4629 |
#undef STRUCT_SPECIAL
|
4630 |
|
4631 |
/* Build target_to_host_errno_table[] table from
|
4632 |
* host_to_target_errno_table[]. */
|
4633 |
for (i = 0; i < ERRNO_TABLE_SIZE; i++) { |
4634 |
target_to_host_errno_table[host_to_target_errno_table[i]] = i; |
4635 |
} |
4636 |
|
4637 |
/* we patch the ioctl size if necessary. We rely on the fact that
|
4638 |
no ioctl has all the bits at '1' in the size field */
|
4639 |
ie = ioctl_entries; |
4640 |
while (ie->target_cmd != 0) { |
4641 |
if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
|
4642 |
TARGET_IOC_SIZEMASK) { |
4643 |
arg_type = ie->arg_type; |
4644 |
if (arg_type[0] != TYPE_PTR) { |
4645 |
fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
|
4646 |
ie->target_cmd); |
4647 |
exit(1);
|
4648 |
} |
4649 |
arg_type++; |
4650 |
size = thunk_type_size(arg_type, 0);
|
4651 |
ie->target_cmd = (ie->target_cmd & |
4652 |
~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
4653 |
(size << TARGET_IOC_SIZESHIFT); |
4654 |
} |
4655 |
|
4656 |
/* automatic consistency check if same arch */
|
4657 |
#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
|
4658 |
(defined(__x86_64__) && defined(TARGET_X86_64)) |
4659 |
if (unlikely(ie->target_cmd != ie->host_cmd)) {
|
4660 |
fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
|
4661 |
ie->name, ie->target_cmd, ie->host_cmd); |
4662 |
} |
4663 |
#endif
|
4664 |
ie++; |
4665 |
} |
4666 |
} |
4667 |
|
4668 |
#if TARGET_ABI_BITS == 32 |
4669 |
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
4670 |
{ |
4671 |
#ifdef TARGET_WORDS_BIGENDIAN
|
4672 |
return ((uint64_t)word0 << 32) | word1; |
4673 |
#else
|
4674 |
return ((uint64_t)word1 << 32) | word0; |
4675 |
#endif
|
4676 |
} |
4677 |
#else /* TARGET_ABI_BITS == 32 */ |
4678 |
static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
4679 |
{ |
4680 |
return word0;
|
4681 |
} |
4682 |
#endif /* TARGET_ABI_BITS != 32 */ |
4683 |
|
4684 |
#ifdef TARGET_NR_truncate64
|
4685 |
static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
4686 |
abi_long arg2, |
4687 |
abi_long arg3, |
4688 |
abi_long arg4) |
4689 |
{ |
4690 |
if (regpairs_aligned(cpu_env)) {
|
4691 |
arg2 = arg3; |
4692 |
arg3 = arg4; |
4693 |
} |
4694 |
return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
|
4695 |
} |
4696 |
#endif
|
4697 |
|
4698 |
#ifdef TARGET_NR_ftruncate64
|
4699 |
static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
4700 |
abi_long arg2, |
4701 |
abi_long arg3, |
4702 |
abi_long arg4) |
4703 |
{ |
4704 |
if (regpairs_aligned(cpu_env)) {
|
4705 |
arg2 = arg3; |
4706 |
arg3 = arg4; |
4707 |
} |
4708 |
return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
|
4709 |
} |
4710 |
#endif
|
4711 |
|
4712 |
static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
4713 |
abi_ulong target_addr) |
4714 |
{ |
4715 |
struct target_timespec *target_ts;
|
4716 |
|
4717 |
if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
4718 |
return -TARGET_EFAULT;
|
4719 |
host_ts->tv_sec = tswapal(target_ts->tv_sec); |
4720 |
host_ts->tv_nsec = tswapal(target_ts->tv_nsec); |
4721 |
unlock_user_struct(target_ts, target_addr, 0);
|
4722 |
return 0; |
4723 |
} |
4724 |
|
4725 |
static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
4726 |
struct timespec *host_ts)
|
4727 |
{ |
4728 |
struct target_timespec *target_ts;
|
4729 |
|
4730 |
if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
4731 |
return -TARGET_EFAULT;
|
4732 |
target_ts->tv_sec = tswapal(host_ts->tv_sec); |
4733 |
target_ts->tv_nsec = tswapal(host_ts->tv_nsec); |
4734 |
unlock_user_struct(target_ts, target_addr, 1);
|
4735 |
return 0; |
4736 |
} |
4737 |
|
4738 |
static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec, |
4739 |
abi_ulong target_addr) |
4740 |
{ |
4741 |
struct target_itimerspec *target_itspec;
|
4742 |
|
4743 |
if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) { |
4744 |
return -TARGET_EFAULT;
|
4745 |
} |
4746 |
|
4747 |
host_itspec->it_interval.tv_sec = |
4748 |
tswapal(target_itspec->it_interval.tv_sec); |
4749 |
host_itspec->it_interval.tv_nsec = |
4750 |
tswapal(target_itspec->it_interval.tv_nsec); |
4751 |
host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec); |
4752 |
host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec); |
4753 |
|
4754 |
unlock_user_struct(target_itspec, target_addr, 1);
|
4755 |
return 0; |
4756 |
} |
4757 |
|
4758 |
static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, |
4759 |
struct itimerspec *host_its)
|
4760 |
{ |
4761 |
struct target_itimerspec *target_itspec;
|
4762 |
|
4763 |
if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) { |
4764 |
return -TARGET_EFAULT;
|
4765 |
} |
4766 |
|
4767 |
target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec); |
4768 |
target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec); |
4769 |
|
4770 |
target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec); |
4771 |
target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec); |
4772 |
|
4773 |
unlock_user_struct(target_itspec, target_addr, 0);
|
4774 |
return 0; |
4775 |
} |
4776 |
|
4777 |
#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
|
4778 |
static inline abi_long host_to_target_stat64(void *cpu_env, |
4779 |
abi_ulong target_addr, |
4780 |
struct stat *host_st)
|
4781 |
{ |
4782 |
#if defined(TARGET_ARM) && defined(TARGET_ABI32)
|
4783 |
if (((CPUARMState *)cpu_env)->eabi) {
|
4784 |
struct target_eabi_stat64 *target_st;
|
4785 |
|
4786 |
if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) |
4787 |
return -TARGET_EFAULT;
|
4788 |
memset(target_st, 0, sizeof(struct target_eabi_stat64)); |
4789 |
__put_user(host_st->st_dev, &target_st->st_dev); |
4790 |
__put_user(host_st->st_ino, &target_st->st_ino); |
4791 |
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
4792 |
__put_user(host_st->st_ino, &target_st->__st_ino); |
4793 |
#endif
|
4794 |
__put_user(host_st->st_mode, &target_st->st_mode); |
4795 |
__put_user(host_st->st_nlink, &target_st->st_nlink); |
4796 |
__put_user(host_st->st_uid, &target_st->st_uid); |
4797 |
__put_user(host_st->st_gid, &target_st->st_gid); |
4798 |
__put_user(host_st->st_rdev, &target_st->st_rdev); |
4799 |
__put_user(host_st->st_size, &target_st->st_size); |
4800 |
__put_user(host_st->st_blksize, &target_st->st_blksize); |
4801 |
__put_user(host_st->st_blocks, &target_st->st_blocks); |
4802 |
__put_user(host_st->st_atime, &target_st->target_st_atime); |
4803 |
__put_user(host_st->st_mtime, &target_st->target_st_mtime); |
4804 |
__put_user(host_st->st_ctime, &target_st->target_st_ctime); |
4805 |
unlock_user_struct(target_st, target_addr, 1);
|
4806 |
} else
|
4807 |
#endif
|
4808 |
{ |
4809 |
#if defined(TARGET_HAS_STRUCT_STAT64)
|
4810 |
struct target_stat64 *target_st;
|
4811 |
#else
|
4812 |
struct target_stat *target_st;
|
4813 |
#endif
|
4814 |
|
4815 |
if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) |
4816 |
return -TARGET_EFAULT;
|
4817 |
memset(target_st, 0, sizeof(*target_st)); |
4818 |
__put_user(host_st->st_dev, &target_st->st_dev); |
4819 |
__put_user(host_st->st_ino, &target_st->st_ino); |
4820 |
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
4821 |
__put_user(host_st->st_ino, &target_st->__st_ino); |
4822 |
#endif
|
4823 |
__put_user(host_st->st_mode, &target_st->st_mode); |
4824 |
__put_user(host_st->st_nlink, &target_st->st_nlink); |
4825 |
__put_user(host_st->st_uid, &target_st->st_uid); |
4826 |
__put_user(host_st->st_gid, &target_st->st_gid); |
4827 |
__put_user(host_st->st_rdev, &target_st->st_rdev); |
4828 |
/* XXX: better use of kernel struct */
|
4829 |
__put_user(host_st->st_size, &target_st->st_size); |
4830 |
__put_user(host_st->st_blksize, &target_st->st_blksize); |
4831 |
__put_user(host_st->st_blocks, &target_st->st_blocks); |
4832 |
__put_user(host_st->st_atime, &target_st->target_st_atime); |
4833 |
__put_user(host_st->st_mtime, &target_st->target_st_mtime); |
4834 |
__put_user(host_st->st_ctime, &target_st->target_st_ctime); |
4835 |
unlock_user_struct(target_st, target_addr, 1);
|
4836 |
} |
4837 |
|
4838 |
return 0; |
4839 |
} |
4840 |
#endif
|
4841 |
|
4842 |
/* ??? Using host futex calls even when target atomic operations
|
4843 |
are not really atomic probably breaks things. However implementing
|
4844 |
futexes locally would make futexes shared between multiple processes
|
4845 |
tricky. However they're probably useless because guest atomic
|
4846 |
operations won't work either. */
|
4847 |
static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
4848 |
target_ulong uaddr2, int val3)
|
4849 |
{ |
4850 |
struct timespec ts, *pts;
|
4851 |
int base_op;
|
4852 |
|
4853 |
/* ??? We assume FUTEX_* constants are the same on both host
|
4854 |
and target. */
|
4855 |
#ifdef FUTEX_CMD_MASK
|
4856 |
base_op = op & FUTEX_CMD_MASK; |
4857 |
#else
|
4858 |
base_op = op; |
4859 |
#endif
|
4860 |
switch (base_op) {
|
4861 |
case FUTEX_WAIT:
|
4862 |
case FUTEX_WAIT_BITSET:
|
4863 |
if (timeout) {
|
4864 |
pts = &ts; |
4865 |
target_to_host_timespec(pts, timeout); |
4866 |
} else {
|
4867 |
pts = NULL;
|
4868 |
} |
4869 |
return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
|
4870 |
pts, NULL, val3));
|
4871 |
case FUTEX_WAKE:
|
4872 |
return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
4873 |
case FUTEX_FD:
|
4874 |
return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
4875 |
case FUTEX_REQUEUE:
|
4876 |
case FUTEX_CMP_REQUEUE:
|
4877 |
case FUTEX_WAKE_OP:
|
4878 |
/* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
|
4879 |
TIMEOUT parameter is interpreted as a uint32_t by the kernel.
|
4880 |
But the prototype takes a `struct timespec *'; insert casts
|
4881 |
to satisfy the compiler. We do not need to tswap TIMEOUT
|
4882 |
since it's not compared to guest memory. */
|
4883 |
pts = (struct timespec *)(uintptr_t) timeout;
|
4884 |
return get_errno(sys_futex(g2h(uaddr), op, val, pts,
|
4885 |
g2h(uaddr2), |
4886 |
(base_op == FUTEX_CMP_REQUEUE |
4887 |
? tswap32(val3) |
4888 |
: val3))); |
4889 |
default:
|
4890 |
return -TARGET_ENOSYS;
|
4891 |
} |
4892 |
} |
4893 |
|
4894 |
/* Map host to target signal numbers for the wait family of syscalls.
|
4895 |
Assume all other status bits are the same. */
|
4896 |
int host_to_target_waitstatus(int status) |
4897 |
{ |
4898 |
if (WIFSIGNALED(status)) {
|
4899 |
return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); |
4900 |
} |
4901 |
if (WIFSTOPPED(status)) {
|
4902 |
return (host_to_target_signal(WSTOPSIG(status)) << 8) |
4903 |
| (status & 0xff);
|
4904 |
} |
4905 |
return status;
|
4906 |
} |
4907 |
|
4908 |
static int relstr_to_int(const char *s) |
4909 |
{ |
4910 |
/* Convert a uname release string like "2.6.18" to an integer
|
4911 |
* of the form 0x020612. (Beware that 0x020612 is *not* 2.6.12.)
|
4912 |
*/
|
4913 |
int i, n, tmp;
|
4914 |
|
4915 |
tmp = 0;
|
4916 |
for (i = 0; i < 3; i++) { |
4917 |
n = 0;
|
4918 |
while (*s >= '0' && *s <= '9') { |
4919 |
n *= 10;
|
4920 |
n += *s - '0';
|
4921 |
s++; |
4922 |
} |
4923 |
tmp = (tmp << 8) + n;
|
4924 |
if (*s == '.') { |
4925 |
s++; |
4926 |
} |
4927 |
} |
4928 |
return tmp;
|
4929 |
} |
4930 |
|
4931 |
int get_osversion(void) |
4932 |
{ |
4933 |
static int osversion; |
4934 |
struct new_utsname buf;
|
4935 |
const char *s; |
4936 |
|
4937 |
if (osversion)
|
4938 |
return osversion;
|
4939 |
if (qemu_uname_release && *qemu_uname_release) {
|
4940 |
s = qemu_uname_release; |
4941 |
} else {
|
4942 |
if (sys_uname(&buf))
|
4943 |
return 0; |
4944 |
s = buf.release; |
4945 |
} |
4946 |
osversion = relstr_to_int(s); |
4947 |
return osversion;
|
4948 |
} |
4949 |
|
4950 |
void init_qemu_uname_release(void) |
4951 |
{ |
4952 |
/* Initialize qemu_uname_release for later use.
|
4953 |
* If the host kernel is too old and the user hasn't asked for
|
4954 |
* a specific fake version number, we might want to fake a minimum
|
4955 |
* target kernel version.
|
4956 |
*/
|
4957 |
#ifdef UNAME_MINIMUM_RELEASE
|
4958 |
struct new_utsname buf;
|
4959 |
|
4960 |
if (qemu_uname_release && *qemu_uname_release) {
|
4961 |
return;
|
4962 |
} |
4963 |
|
4964 |
if (sys_uname(&buf)) {
|
4965 |
return;
|
4966 |
} |
4967 |
|
4968 |
if (relstr_to_int(buf.release) < relstr_to_int(UNAME_MINIMUM_RELEASE)) {
|
4969 |
qemu_uname_release = UNAME_MINIMUM_RELEASE; |
4970 |
} |
4971 |
#endif
|
4972 |
} |
4973 |
|
4974 |
static int open_self_maps(void *cpu_env, int fd) |
4975 |
{ |
4976 |
#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
|
4977 |
TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
4978 |
#endif
|
4979 |
FILE *fp; |
4980 |
char *line = NULL; |
4981 |
size_t len = 0;
|
4982 |
ssize_t read; |
4983 |
|
4984 |
fp = fopen("/proc/self/maps", "r"); |
4985 |
if (fp == NULL) { |
4986 |
return -EACCES;
|
4987 |
} |
4988 |
|
4989 |
while ((read = getline(&line, &len, fp)) != -1) { |
4990 |
int fields, dev_maj, dev_min, inode;
|
4991 |
uint64_t min, max, offset; |
4992 |
char flag_r, flag_w, flag_x, flag_p;
|
4993 |
char path[512] = ""; |
4994 |
fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d" |
4995 |
" %512s", &min, &max, &flag_r, &flag_w, &flag_x,
|
4996 |
&flag_p, &offset, &dev_maj, &dev_min, &inode, path); |
4997 |
|
4998 |
if ((fields < 10) || (fields > 11)) { |
4999 |
continue;
|
5000 |
} |
5001 |
if (!strncmp(path, "[stack]", 7)) { |
5002 |
continue;
|
5003 |
} |
5004 |
if (h2g_valid(min) && h2g_valid(max)) {
|
5005 |
dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
|
5006 |
" %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n", |
5007 |
h2g(min), h2g(max), flag_r, flag_w, |
5008 |
flag_x, flag_p, offset, dev_maj, dev_min, inode, |
5009 |
path[0] ? " " : "", path); |
5010 |
} |
5011 |
} |
5012 |
|
5013 |
free(line); |
5014 |
fclose(fp); |
5015 |
|
5016 |
#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
|
5017 |
dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
|
5018 |
(unsigned long long)ts->info->stack_limit, |
5019 |
(unsigned long long)(ts->info->start_stack + |
5020 |
(TARGET_PAGE_SIZE - 1)) & TARGET_PAGE_MASK,
|
5021 |
(unsigned long long)0); |
5022 |
#endif
|
5023 |
|
5024 |
return 0; |
5025 |
} |
5026 |
|
5027 |
static int open_self_stat(void *cpu_env, int fd) |
5028 |
{ |
5029 |
TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
5030 |
abi_ulong start_stack = ts->info->start_stack; |
5031 |
int i;
|
5032 |
|
5033 |
for (i = 0; i < 44; i++) { |
5034 |
char buf[128]; |
5035 |
int len;
|
5036 |
uint64_t val = 0;
|
5037 |
|
5038 |
if (i == 0) { |
5039 |
/* pid */
|
5040 |
val = getpid(); |
5041 |
snprintf(buf, sizeof(buf), "%"PRId64 " ", val); |
5042 |
} else if (i == 1) { |
5043 |
/* app name */
|
5044 |
snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]); |
5045 |
} else if (i == 27) { |
5046 |
/* stack bottom */
|
5047 |
val = start_stack; |
5048 |
snprintf(buf, sizeof(buf), "%"PRId64 " ", val); |
5049 |
} else {
|
5050 |
/* for the rest, there is MasterCard */
|
5051 |
snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' '); |
5052 |
} |
5053 |
|
5054 |
len = strlen(buf); |
5055 |
if (write(fd, buf, len) != len) {
|
5056 |
return -1; |
5057 |
} |
5058 |
} |
5059 |
|
5060 |
return 0; |
5061 |
} |
5062 |
|
5063 |
static int open_self_auxv(void *cpu_env, int fd) |
5064 |
{ |
5065 |
TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
5066 |
abi_ulong auxv = ts->info->saved_auxv; |
5067 |
abi_ulong len = ts->info->auxv_len; |
5068 |
char *ptr;
|
5069 |
|
5070 |
/*
|
5071 |
* Auxiliary vector is stored in target process stack.
|
5072 |
* read in whole auxv vector and copy it to file
|
5073 |
*/
|
5074 |
ptr = lock_user(VERIFY_READ, auxv, len, 0);
|
5075 |
if (ptr != NULL) { |
5076 |
while (len > 0) { |
5077 |
ssize_t r; |
5078 |
r = write(fd, ptr, len); |
5079 |
if (r <= 0) { |
5080 |
break;
|
5081 |
} |
5082 |
len -= r; |
5083 |
ptr += r; |
5084 |
} |
5085 |
lseek(fd, 0, SEEK_SET);
|
5086 |
unlock_user(ptr, auxv, len); |
5087 |
} |
5088 |
|
5089 |
return 0; |
5090 |
} |
5091 |
|
5092 |
static int is_proc_myself(const char *filename, const char *entry) |
5093 |
{ |
5094 |
if (!strncmp(filename, "/proc/", strlen("/proc/"))) { |
5095 |
filename += strlen("/proc/");
|
5096 |
if (!strncmp(filename, "self/", strlen("self/"))) { |
5097 |
filename += strlen("self/");
|
5098 |
} else if (*filename >= '1' && *filename <= '9') { |
5099 |
char myself[80]; |
5100 |
snprintf(myself, sizeof(myself), "%d/", getpid()); |
5101 |
if (!strncmp(filename, myself, strlen(myself))) {
|
5102 |
filename += strlen(myself); |
5103 |
} else {
|
5104 |
return 0; |
5105 |
} |
5106 |
} else {
|
5107 |
return 0; |
5108 |
} |
5109 |
if (!strcmp(filename, entry)) {
|
5110 |
return 1; |
5111 |
} |
5112 |
} |
5113 |
return 0; |
5114 |
} |
5115 |
|
5116 |
#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
|
5117 |
static int is_proc(const char *filename, const char *entry) |
5118 |
{ |
5119 |
return strcmp(filename, entry) == 0; |
5120 |
} |
5121 |
|
5122 |
static int open_net_route(void *cpu_env, int fd) |
5123 |
{ |
5124 |
FILE *fp; |
5125 |
char *line = NULL; |
5126 |
size_t len = 0;
|
5127 |
ssize_t read; |
5128 |
|
5129 |
fp = fopen("/proc/net/route", "r"); |
5130 |
if (fp == NULL) { |
5131 |
return -EACCES;
|
5132 |
} |
5133 |
|
5134 |
/* read header */
|
5135 |
|
5136 |
read = getline(&line, &len, fp); |
5137 |
dprintf(fd, "%s", line);
|
5138 |
|
5139 |
/* read routes */
|
5140 |
|
5141 |
while ((read = getline(&line, &len, fp)) != -1) { |
5142 |
char iface[16]; |
5143 |
uint32_t dest, gw, mask; |
5144 |
unsigned int flags, refcnt, use, metric, mtu, window, irtt; |
5145 |
sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
|
5146 |
iface, &dest, &gw, &flags, &refcnt, &use, &metric, |
5147 |
&mask, &mtu, &window, &irtt); |
5148 |
dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
|
5149 |
iface, tswap32(dest), tswap32(gw), flags, refcnt, use, |
5150 |
metric, tswap32(mask), mtu, window, irtt); |
5151 |
} |
5152 |
|
5153 |
free(line); |
5154 |
fclose(fp); |
5155 |
|
5156 |
return 0; |
5157 |
} |
5158 |
#endif
|
5159 |
|
5160 |
static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode) |
5161 |
{ |
5162 |
struct fake_open {
|
5163 |
const char *filename; |
5164 |
int (*fill)(void *cpu_env, int fd); |
5165 |
int (*cmp)(const char *s1, const char *s2); |
5166 |
}; |
5167 |
const struct fake_open *fake_open; |
5168 |
static const struct fake_open fakes[] = { |
5169 |
{ "maps", open_self_maps, is_proc_myself },
|
5170 |
{ "stat", open_self_stat, is_proc_myself },
|
5171 |
{ "auxv", open_self_auxv, is_proc_myself },
|
5172 |
#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
|
5173 |
{ "/proc/net/route", open_net_route, is_proc },
|
5174 |
#endif
|
5175 |
{ NULL, NULL, NULL } |
5176 |
}; |
5177 |
|
5178 |
for (fake_open = fakes; fake_open->filename; fake_open++) {
|
5179 |
if (fake_open->cmp(pathname, fake_open->filename)) {
|
5180 |
break;
|
5181 |
} |
5182 |
} |
5183 |
|
5184 |
if (fake_open->filename) {
|
5185 |
const char *tmpdir; |
5186 |
char filename[PATH_MAX];
|
5187 |
int fd, r;
|
5188 |
|
5189 |
/* create temporary file to map stat to */
|
5190 |
tmpdir = getenv("TMPDIR");
|
5191 |
if (!tmpdir)
|
5192 |
tmpdir = "/tmp";
|
5193 |
snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); |
5194 |
fd = mkstemp(filename); |
5195 |
if (fd < 0) { |
5196 |
return fd;
|
5197 |
} |
5198 |
unlink(filename); |
5199 |
|
5200 |
if ((r = fake_open->fill(cpu_env, fd))) {
|
5201 |
close(fd); |
5202 |
return r;
|
5203 |
} |
5204 |
lseek(fd, 0, SEEK_SET);
|
5205 |
|
5206 |
return fd;
|
5207 |
} |
5208 |
|
5209 |
return get_errno(open(path(pathname), flags, mode));
|
5210 |
} |
5211 |
|
5212 |
/* do_syscall() should always have a single exit point at the end so
|
5213 |
that actions, such as logging of syscall results, can be performed.
|
5214 |
All errnos that do_syscall() returns must be -TARGET_<errcode>. */
|
5215 |
abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
5216 |
abi_long arg2, abi_long arg3, abi_long arg4, |
5217 |
abi_long arg5, abi_long arg6, abi_long arg7, |
5218 |
abi_long arg8) |
5219 |
{ |
5220 |
CPUState *cpu = ENV_GET_CPU(cpu_env); |
5221 |
abi_long ret; |
5222 |
struct stat st;
|
5223 |
struct statfs stfs;
|
5224 |
void *p;
|
5225 |
|
5226 |
#ifdef DEBUG
|
5227 |
gemu_log("syscall %d", num);
|
5228 |
#endif
|
5229 |
if(do_strace)
|
5230 |
print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); |
5231 |
|
5232 |
switch(num) {
|
5233 |
case TARGET_NR_exit:
|
5234 |
/* In old applications this may be used to implement _exit(2).
|
5235 |
However in threaded applictions it is used for thread termination,
|
5236 |
and _exit_group is used for application termination.
|
5237 |
Do thread termination if we have more then one thread. */
|
5238 |
/* FIXME: This probably breaks if a signal arrives. We should probably
|
5239 |
be disabling signals. */
|
5240 |
if (CPU_NEXT(first_cpu)) {
|
5241 |
TaskState *ts; |
5242 |
|
5243 |
cpu_list_lock(); |
5244 |
/* Remove the CPU from the list. */
|
5245 |
QTAILQ_REMOVE(&cpus, cpu, node); |
5246 |
cpu_list_unlock(); |
5247 |
ts = ((CPUArchState *)cpu_env)->opaque; |
5248 |
if (ts->child_tidptr) {
|
5249 |
put_user_u32(0, ts->child_tidptr);
|
5250 |
sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, |
5251 |
NULL, NULL, 0); |
5252 |
} |
5253 |
thread_cpu = NULL;
|
5254 |
object_unref(OBJECT(ENV_GET_CPU(cpu_env))); |
5255 |
g_free(ts); |
5256 |
pthread_exit(NULL);
|
5257 |
} |
5258 |
#ifdef TARGET_GPROF
|
5259 |
_mcleanup(); |
5260 |
#endif
|
5261 |
gdb_exit(cpu_env, arg1); |
5262 |
_exit(arg1); |
5263 |
ret = 0; /* avoid warning */ |
5264 |
break;
|
5265 |
case TARGET_NR_read:
|
5266 |
if (arg3 == 0) |
5267 |
ret = 0;
|
5268 |
else {
|
5269 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
5270 |
goto efault;
|
5271 |
ret = get_errno(read(arg1, p, arg3)); |
5272 |
unlock_user(p, arg2, ret); |
5273 |
} |
5274 |
break;
|
5275 |
case TARGET_NR_write:
|
5276 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
5277 |
goto efault;
|
5278 |
ret = get_errno(write(arg1, p, arg3)); |
5279 |
unlock_user(p, arg2, 0);
|
5280 |
break;
|
5281 |
case TARGET_NR_open:
|
5282 |
if (!(p = lock_user_string(arg1)))
|
5283 |
goto efault;
|
5284 |
ret = get_errno(do_open(cpu_env, p, |
5285 |
target_to_host_bitmask(arg2, fcntl_flags_tbl), |
5286 |
arg3)); |
5287 |
unlock_user(p, arg1, 0);
|
5288 |
break;
|
5289 |
#if defined(TARGET_NR_openat) && defined(__NR_openat)
|
5290 |
case TARGET_NR_openat:
|
5291 |
if (!(p = lock_user_string(arg2)))
|
5292 |
goto efault;
|
5293 |
ret = get_errno(sys_openat(arg1, |
5294 |
path(p), |
5295 |
target_to_host_bitmask(arg3, fcntl_flags_tbl), |
5296 |
arg4)); |
5297 |
unlock_user(p, arg2, 0);
|
5298 |
break;
|
5299 |
#endif
|
5300 |
case TARGET_NR_close:
|
5301 |
ret = get_errno(close(arg1)); |
5302 |
break;
|
5303 |
case TARGET_NR_brk:
|
5304 |
ret = do_brk(arg1); |
5305 |
break;
|
5306 |
case TARGET_NR_fork:
|
5307 |
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0)); |
5308 |
break;
|
5309 |
#ifdef TARGET_NR_waitpid
|
5310 |
case TARGET_NR_waitpid:
|
5311 |
{ |
5312 |
int status;
|
5313 |
ret = get_errno(waitpid(arg1, &status, arg3)); |
5314 |
if (!is_error(ret) && arg2 && ret
|
5315 |
&& put_user_s32(host_to_target_waitstatus(status), arg2)) |
5316 |
goto efault;
|
5317 |
} |
5318 |
break;
|
5319 |
#endif
|
5320 |
#ifdef TARGET_NR_waitid
|
5321 |
case TARGET_NR_waitid:
|
5322 |
{ |
5323 |
siginfo_t info; |
5324 |
info.si_pid = 0;
|
5325 |
ret = get_errno(waitid(arg1, arg2, &info, arg4)); |
5326 |
if (!is_error(ret) && arg3 && info.si_pid != 0) { |
5327 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
5328 |
goto efault;
|
5329 |
host_to_target_siginfo(p, &info); |
5330 |
unlock_user(p, arg3, sizeof(target_siginfo_t));
|
5331 |
} |
5332 |
} |
5333 |
break;
|
5334 |
#endif
|
5335 |
#ifdef TARGET_NR_creat /* not on alpha */ |
5336 |
case TARGET_NR_creat:
|
5337 |
if (!(p = lock_user_string(arg1)))
|
5338 |
goto efault;
|
5339 |
ret = get_errno(creat(p, arg2)); |
5340 |
unlock_user(p, arg1, 0);
|
5341 |
break;
|
5342 |
#endif
|
5343 |
case TARGET_NR_link:
|
5344 |
{ |
5345 |
void * p2;
|
5346 |
p = lock_user_string(arg1); |
5347 |
p2 = lock_user_string(arg2); |
5348 |
if (!p || !p2)
|
5349 |
ret = -TARGET_EFAULT; |
5350 |
else
|
5351 |
ret = get_errno(link(p, p2)); |
5352 |
unlock_user(p2, arg2, 0);
|
5353 |
unlock_user(p, arg1, 0);
|
5354 |
} |
5355 |
break;
|
5356 |
#if defined(TARGET_NR_linkat)
|
5357 |
case TARGET_NR_linkat:
|
5358 |
{ |
5359 |
void * p2 = NULL; |
5360 |
if (!arg2 || !arg4)
|
5361 |
goto efault;
|
5362 |
p = lock_user_string(arg2); |
5363 |
p2 = lock_user_string(arg4); |
5364 |
if (!p || !p2)
|
5365 |
ret = -TARGET_EFAULT; |
5366 |
else
|
5367 |
ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
5368 |
unlock_user(p, arg2, 0);
|
5369 |
unlock_user(p2, arg4, 0);
|
5370 |
} |
5371 |
break;
|
5372 |
#endif
|
5373 |
case TARGET_NR_unlink:
|
5374 |
if (!(p = lock_user_string(arg1)))
|
5375 |
goto efault;
|
5376 |
ret = get_errno(unlink(p)); |
5377 |
unlock_user(p, arg1, 0);
|
5378 |
break;
|
5379 |
#if defined(TARGET_NR_unlinkat)
|
5380 |
case TARGET_NR_unlinkat:
|
5381 |
if (!(p = lock_user_string(arg2)))
|
5382 |
goto efault;
|
5383 |
ret = get_errno(unlinkat(arg1, p, arg3)); |
5384 |
unlock_user(p, arg2, 0);
|
5385 |
break;
|
5386 |
#endif
|
5387 |
case TARGET_NR_execve:
|
5388 |
{ |
5389 |
char **argp, **envp;
|
5390 |
int argc, envc;
|
5391 |
abi_ulong gp; |
5392 |
abi_ulong guest_argp; |
5393 |
abi_ulong guest_envp; |
5394 |
abi_ulong addr; |
5395 |
char **q;
|
5396 |
int total_size = 0; |
5397 |
|
5398 |
argc = 0;
|
5399 |
guest_argp = arg2; |
5400 |
for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
5401 |
if (get_user_ual(addr, gp))
|
5402 |
goto efault;
|
5403 |
if (!addr)
|
5404 |
break;
|
5405 |
argc++; |
5406 |
} |
5407 |
envc = 0;
|
5408 |
guest_envp = arg3; |
5409 |
for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
5410 |
if (get_user_ual(addr, gp))
|
5411 |
goto efault;
|
5412 |
if (!addr)
|
5413 |
break;
|
5414 |
envc++; |
5415 |
} |
5416 |
|
5417 |
argp = alloca((argc + 1) * sizeof(void *)); |
5418 |
envp = alloca((envc + 1) * sizeof(void *)); |
5419 |
|
5420 |
for (gp = guest_argp, q = argp; gp;
|
5421 |
gp += sizeof(abi_ulong), q++) {
|
5422 |
if (get_user_ual(addr, gp))
|
5423 |
goto execve_efault;
|
5424 |
if (!addr)
|
5425 |
break;
|
5426 |
if (!(*q = lock_user_string(addr)))
|
5427 |
goto execve_efault;
|
5428 |
total_size += strlen(*q) + 1;
|
5429 |
} |
5430 |
*q = NULL;
|
5431 |
|
5432 |
for (gp = guest_envp, q = envp; gp;
|
5433 |
gp += sizeof(abi_ulong), q++) {
|
5434 |
if (get_user_ual(addr, gp))
|
5435 |
goto execve_efault;
|
5436 |
if (!addr)
|
5437 |
break;
|
5438 |
if (!(*q = lock_user_string(addr)))
|
5439 |
goto execve_efault;
|
5440 |
total_size += strlen(*q) + 1;
|
5441 |
} |
5442 |
*q = NULL;
|
5443 |
|
5444 |
/* This case will not be caught by the host's execve() if its
|
5445 |
page size is bigger than the target's. */
|
5446 |
if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
|
5447 |
ret = -TARGET_E2BIG; |
5448 |
goto execve_end;
|
5449 |
} |
5450 |
if (!(p = lock_user_string(arg1)))
|
5451 |
goto execve_efault;
|
5452 |
ret = get_errno(execve(p, argp, envp)); |
5453 |
unlock_user(p, arg1, 0);
|
5454 |
|
5455 |
goto execve_end;
|
5456 |
|
5457 |
execve_efault:
|
5458 |
ret = -TARGET_EFAULT; |
5459 |
|
5460 |
execve_end:
|
5461 |
for (gp = guest_argp, q = argp; *q;
|
5462 |
gp += sizeof(abi_ulong), q++) {
|
5463 |
if (get_user_ual(addr, gp)
|
5464 |
|| !addr) |
5465 |
break;
|
5466 |
unlock_user(*q, addr, 0);
|
5467 |
} |
5468 |
for (gp = guest_envp, q = envp; *q;
|
5469 |
gp += sizeof(abi_ulong), q++) {
|
5470 |
if (get_user_ual(addr, gp)
|
5471 |
|| !addr) |
5472 |
break;
|
5473 |
unlock_user(*q, addr, 0);
|
5474 |
} |
5475 |
} |
5476 |
break;
|
5477 |
case TARGET_NR_chdir:
|
5478 |
if (!(p = lock_user_string(arg1)))
|
5479 |
goto efault;
|
5480 |
ret = get_errno(chdir(p)); |
5481 |
unlock_user(p, arg1, 0);
|
5482 |
break;
|
5483 |
#ifdef TARGET_NR_time
|
5484 |
case TARGET_NR_time:
|
5485 |
{ |
5486 |
time_t host_time; |
5487 |
ret = get_errno(time(&host_time)); |
5488 |
if (!is_error(ret)
|
5489 |
&& arg1 |
5490 |
&& put_user_sal(host_time, arg1)) |
5491 |
goto efault;
|
5492 |
} |
5493 |
break;
|
5494 |
#endif
|
5495 |
case TARGET_NR_mknod:
|
5496 |
if (!(p = lock_user_string(arg1)))
|
5497 |
goto efault;
|
5498 |
ret = get_errno(mknod(p, arg2, arg3)); |
5499 |
unlock_user(p, arg1, 0);
|
5500 |
break;
|
5501 |
#if defined(TARGET_NR_mknodat)
|
5502 |
case TARGET_NR_mknodat:
|
5503 |
if (!(p = lock_user_string(arg2)))
|
5504 |
goto efault;
|
5505 |
ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
5506 |
unlock_user(p, arg2, 0);
|
5507 |
break;
|
5508 |
#endif
|
5509 |
case TARGET_NR_chmod:
|
5510 |
if (!(p = lock_user_string(arg1)))
|
5511 |
goto efault;
|
5512 |
ret = get_errno(chmod(p, arg2)); |
5513 |
unlock_user(p, arg1, 0);
|
5514 |
break;
|
5515 |
#ifdef TARGET_NR_break
|
5516 |
case TARGET_NR_break:
|
5517 |
goto unimplemented;
|
5518 |
#endif
|
5519 |
#ifdef TARGET_NR_oldstat
|
5520 |
case TARGET_NR_oldstat:
|
5521 |
goto unimplemented;
|
5522 |
#endif
|
5523 |
case TARGET_NR_lseek:
|
5524 |
ret = get_errno(lseek(arg1, arg2, arg3)); |
5525 |
break;
|
5526 |
#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
|
5527 |
/* Alpha specific */
|
5528 |
case TARGET_NR_getxpid:
|
5529 |
((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
5530 |
ret = get_errno(getpid()); |
5531 |
break;
|
5532 |
#endif
|
5533 |
#ifdef TARGET_NR_getpid
|
5534 |
case TARGET_NR_getpid:
|
5535 |
ret = get_errno(getpid()); |
5536 |
break;
|
5537 |
#endif
|
5538 |
case TARGET_NR_mount:
|
5539 |
{ |
5540 |
/* need to look at the data field */
|
5541 |
void *p2, *p3;
|
5542 |
p = lock_user_string(arg1); |
5543 |
p2 = lock_user_string(arg2); |
5544 |
p3 = lock_user_string(arg3); |
5545 |
if (!p || !p2 || !p3)
|
5546 |
ret = -TARGET_EFAULT; |
5547 |
else {
|
5548 |
/* FIXME - arg5 should be locked, but it isn't clear how to
|
5549 |
* do that since it's not guaranteed to be a NULL-terminated
|
5550 |
* string.
|
5551 |
*/
|
5552 |
if ( ! arg5 )
|
5553 |
ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL)); |
5554 |
else
|
5555 |
ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5))); |
5556 |
} |
5557 |
unlock_user(p, arg1, 0);
|
5558 |
unlock_user(p2, arg2, 0);
|
5559 |
unlock_user(p3, arg3, 0);
|
5560 |
break;
|
5561 |
} |
5562 |
#ifdef TARGET_NR_umount
|
5563 |
case TARGET_NR_umount:
|
5564 |
if (!(p = lock_user_string(arg1)))
|
5565 |
goto efault;
|
5566 |
ret = get_errno(umount(p)); |
5567 |
unlock_user(p, arg1, 0);
|
5568 |
break;
|
5569 |
#endif
|
5570 |
#ifdef TARGET_NR_stime /* not on alpha */ |
5571 |
case TARGET_NR_stime:
|
5572 |
{ |
5573 |
time_t host_time; |
5574 |
if (get_user_sal(host_time, arg1))
|
5575 |
goto efault;
|
5576 |
ret = get_errno(stime(&host_time)); |
5577 |
} |
5578 |
break;
|
5579 |
#endif
|
5580 |
case TARGET_NR_ptrace:
|
5581 |
goto unimplemented;
|
5582 |
#ifdef TARGET_NR_alarm /* not on alpha */ |
5583 |
case TARGET_NR_alarm:
|
5584 |
ret = alarm(arg1); |
5585 |
break;
|
5586 |
#endif
|
5587 |
#ifdef TARGET_NR_oldfstat
|
5588 |
case TARGET_NR_oldfstat:
|
5589 |
goto unimplemented;
|
5590 |
#endif
|
5591 |
#ifdef TARGET_NR_pause /* not on alpha */ |
5592 |
case TARGET_NR_pause:
|
5593 |
ret = get_errno(pause()); |
5594 |
break;
|
5595 |
#endif
|
5596 |
#ifdef TARGET_NR_utime
|
5597 |
case TARGET_NR_utime:
|
5598 |
{ |
5599 |
struct utimbuf tbuf, *host_tbuf;
|
5600 |
struct target_utimbuf *target_tbuf;
|
5601 |
if (arg2) {
|
5602 |
if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
5603 |
goto efault;
|
5604 |
tbuf.actime = tswapal(target_tbuf->actime); |
5605 |
tbuf.modtime = tswapal(target_tbuf->modtime); |
5606 |
unlock_user_struct(target_tbuf, arg2, 0);
|
5607 |
host_tbuf = &tbuf; |
5608 |
} else {
|
5609 |
host_tbuf = NULL;
|
5610 |
} |
5611 |
if (!(p = lock_user_string(arg1)))
|
5612 |
goto efault;
|
5613 |
ret = get_errno(utime(p, host_tbuf)); |
5614 |
unlock_user(p, arg1, 0);
|
5615 |
} |
5616 |
break;
|
5617 |
#endif
|
5618 |
case TARGET_NR_utimes:
|
5619 |
{ |
5620 |
struct timeval *tvp, tv[2]; |
5621 |
if (arg2) {
|
5622 |
if (copy_from_user_timeval(&tv[0], arg2) |
5623 |
|| copy_from_user_timeval(&tv[1],
|
5624 |
arg2 + sizeof(struct target_timeval))) |
5625 |
goto efault;
|
5626 |
tvp = tv; |
5627 |
} else {
|
5628 |
tvp = NULL;
|
5629 |
} |
5630 |
if (!(p = lock_user_string(arg1)))
|
5631 |
goto efault;
|
5632 |
ret = get_errno(utimes(p, tvp)); |
5633 |
unlock_user(p, arg1, 0);
|
5634 |
} |
5635 |
break;
|
5636 |
#if defined(TARGET_NR_futimesat)
|
5637 |
case TARGET_NR_futimesat:
|
5638 |
{ |
5639 |
struct timeval *tvp, tv[2]; |
5640 |
if (arg3) {
|
5641 |
if (copy_from_user_timeval(&tv[0], arg3) |
5642 |
|| copy_from_user_timeval(&tv[1],
|
5643 |
arg3 + sizeof(struct target_timeval))) |
5644 |
goto efault;
|
5645 |
tvp = tv; |
5646 |
} else {
|
5647 |
tvp = NULL;
|
5648 |
} |
5649 |
if (!(p = lock_user_string(arg2)))
|
5650 |
goto efault;
|
5651 |
ret = get_errno(futimesat(arg1, path(p), tvp)); |
5652 |
unlock_user(p, arg2, 0);
|
5653 |
} |
5654 |
break;
|
5655 |
#endif
|
5656 |
#ifdef TARGET_NR_stty
|
5657 |
case TARGET_NR_stty:
|
5658 |
goto unimplemented;
|
5659 |
#endif
|
5660 |
#ifdef TARGET_NR_gtty
|
5661 |
case TARGET_NR_gtty:
|
5662 |
goto unimplemented;
|
5663 |
#endif
|
5664 |
case TARGET_NR_access:
|
5665 |
if (!(p = lock_user_string(arg1)))
|
5666 |
goto efault;
|
5667 |
ret = get_errno(access(path(p), arg2)); |
5668 |
unlock_user(p, arg1, 0);
|
5669 |
break;
|
5670 |
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
|
5671 |
case TARGET_NR_faccessat:
|
5672 |
if (!(p = lock_user_string(arg2)))
|
5673 |
goto efault;
|
5674 |
ret = get_errno(faccessat(arg1, p, arg3, 0));
|
5675 |
unlock_user(p, arg2, 0);
|
5676 |
break;
|
5677 |
#endif
|
5678 |
#ifdef TARGET_NR_nice /* not on alpha */ |
5679 |
case TARGET_NR_nice:
|
5680 |
ret = get_errno(nice(arg1)); |
5681 |
break;
|
5682 |
#endif
|
5683 |
#ifdef TARGET_NR_ftime
|
5684 |
case TARGET_NR_ftime:
|
5685 |
goto unimplemented;
|
5686 |
#endif
|
5687 |
case TARGET_NR_sync:
|
5688 |
sync(); |
5689 |
ret = 0;
|
5690 |
break;
|
5691 |
case TARGET_NR_kill:
|
5692 |
ret = get_errno(kill(arg1, target_to_host_signal(arg2))); |
5693 |
break;
|
5694 |
case TARGET_NR_rename:
|
5695 |
{ |
5696 |
void *p2;
|
5697 |
p = lock_user_string(arg1); |
5698 |
p2 = lock_user_string(arg2); |
5699 |
if (!p || !p2)
|
5700 |
ret = -TARGET_EFAULT; |
5701 |
else
|
5702 |
ret = get_errno(rename(p, p2)); |
5703 |
unlock_user(p2, arg2, 0);
|
5704 |
unlock_user(p, arg1, 0);
|
5705 |
} |
5706 |
break;
|
5707 |
#if defined(TARGET_NR_renameat)
|
5708 |
case TARGET_NR_renameat:
|
5709 |
{ |
5710 |
void *p2;
|
5711 |
p = lock_user_string(arg2); |
5712 |
p2 = lock_user_string(arg4); |
5713 |
if (!p || !p2)
|
5714 |
ret = -TARGET_EFAULT; |
5715 |
else
|
5716 |
ret = get_errno(renameat(arg1, p, arg3, p2)); |
5717 |
unlock_user(p2, arg4, 0);
|
5718 |
unlock_user(p, arg2, 0);
|
5719 |
} |
5720 |
break;
|
5721 |
#endif
|
5722 |
case TARGET_NR_mkdir:
|
5723 |
if (!(p = lock_user_string(arg1)))
|
5724 |
goto efault;
|
5725 |
ret = get_errno(mkdir(p, arg2)); |
5726 |
unlock_user(p, arg1, 0);
|
5727 |
break;
|
5728 |
#if defined(TARGET_NR_mkdirat)
|
5729 |
case TARGET_NR_mkdirat:
|
5730 |
if (!(p = lock_user_string(arg2)))
|
5731 |
goto efault;
|
5732 |
ret = get_errno(mkdirat(arg1, p, arg3)); |
5733 |
unlock_user(p, arg2, 0);
|
5734 |
break;
|
5735 |
#endif
|
5736 |
case TARGET_NR_rmdir:
|
5737 |
if (!(p = lock_user_string(arg1)))
|
5738 |
goto efault;
|
5739 |
ret = get_errno(rmdir(p)); |
5740 |
unlock_user(p, arg1, 0);
|
5741 |
break;
|
5742 |
case TARGET_NR_dup:
|
5743 |
ret = get_errno(dup(arg1)); |
5744 |
break;
|
5745 |
case TARGET_NR_pipe:
|
5746 |
ret = do_pipe(cpu_env, arg1, 0, 0); |
5747 |
break;
|
5748 |
#ifdef TARGET_NR_pipe2
|
5749 |
case TARGET_NR_pipe2:
|
5750 |
ret = do_pipe(cpu_env, arg1, |
5751 |
target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
|
5752 |
break;
|
5753 |
#endif
|
5754 |
case TARGET_NR_times:
|
5755 |
{ |
5756 |
struct target_tms *tmsp;
|
5757 |
struct tms tms;
|
5758 |
ret = get_errno(times(&tms)); |
5759 |
if (arg1) {
|
5760 |
tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
5761 |
if (!tmsp)
|
5762 |
goto efault;
|
5763 |
tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
5764 |
tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); |
5765 |
tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); |
5766 |
tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); |
5767 |
} |
5768 |
if (!is_error(ret))
|
5769 |
ret = host_to_target_clock_t(ret); |
5770 |
} |
5771 |
break;
|
5772 |
#ifdef TARGET_NR_prof
|
5773 |
case TARGET_NR_prof:
|
5774 |
goto unimplemented;
|
5775 |
#endif
|
5776 |
#ifdef TARGET_NR_signal
|
5777 |
case TARGET_NR_signal:
|
5778 |
goto unimplemented;
|
5779 |
#endif
|
5780 |
case TARGET_NR_acct:
|
5781 |
if (arg1 == 0) { |
5782 |
ret = get_errno(acct(NULL));
|
5783 |
} else {
|
5784 |
if (!(p = lock_user_string(arg1)))
|
5785 |
goto efault;
|
5786 |
ret = get_errno(acct(path(p))); |
5787 |
unlock_user(p, arg1, 0);
|
5788 |
} |
5789 |
break;
|
5790 |
#ifdef TARGET_NR_umount2
|
5791 |
case TARGET_NR_umount2:
|
5792 |
if (!(p = lock_user_string(arg1)))
|
5793 |
goto efault;
|
5794 |
ret = get_errno(umount2(p, arg2)); |
5795 |
unlock_user(p, arg1, 0);
|
5796 |
break;
|
5797 |
#endif
|
5798 |
#ifdef TARGET_NR_lock
|
5799 |
case TARGET_NR_lock:
|
5800 |
goto unimplemented;
|
5801 |
#endif
|
5802 |
case TARGET_NR_ioctl:
|
5803 |
ret = do_ioctl(arg1, arg2, arg3); |
5804 |
break;
|
5805 |
case TARGET_NR_fcntl:
|
5806 |
ret = do_fcntl(arg1, arg2, arg3); |
5807 |
break;
|
5808 |
#ifdef TARGET_NR_mpx
|
5809 |
case TARGET_NR_mpx:
|
5810 |
goto unimplemented;
|
5811 |
#endif
|
5812 |
case TARGET_NR_setpgid:
|
5813 |
ret = get_errno(setpgid(arg1, arg2)); |
5814 |
break;
|
5815 |
#ifdef TARGET_NR_ulimit
|
5816 |
case TARGET_NR_ulimit:
|
5817 |
goto unimplemented;
|
5818 |
#endif
|
5819 |
#ifdef TARGET_NR_oldolduname
|
5820 |
case TARGET_NR_oldolduname:
|
5821 |
goto unimplemented;
|
5822 |
#endif
|
5823 |
case TARGET_NR_umask:
|
5824 |
ret = get_errno(umask(arg1)); |
5825 |
break;
|
5826 |
case TARGET_NR_chroot:
|
5827 |
if (!(p = lock_user_string(arg1)))
|
5828 |
goto efault;
|
5829 |
ret = get_errno(chroot(p)); |
5830 |
unlock_user(p, arg1, 0);
|
5831 |
break;
|
5832 |
case TARGET_NR_ustat:
|
5833 |
goto unimplemented;
|
5834 |
case TARGET_NR_dup2:
|
5835 |
ret = get_errno(dup2(arg1, arg2)); |
5836 |
break;
|
5837 |
#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
|
5838 |
case TARGET_NR_dup3:
|
5839 |
ret = get_errno(dup3(arg1, arg2, arg3)); |
5840 |
break;
|
5841 |
#endif
|
5842 |
#ifdef TARGET_NR_getppid /* not on alpha */ |
5843 |
case TARGET_NR_getppid:
|
5844 |
ret = get_errno(getppid()); |
5845 |
break;
|
5846 |
#endif
|
5847 |
case TARGET_NR_getpgrp:
|
5848 |
ret = get_errno(getpgrp()); |
5849 |
break;
|
5850 |
case TARGET_NR_setsid:
|
5851 |
ret = get_errno(setsid()); |
5852 |
break;
|
5853 |
#ifdef TARGET_NR_sigaction
|
5854 |
case TARGET_NR_sigaction:
|
5855 |
{ |
5856 |
#if defined(TARGET_ALPHA)
|
5857 |
struct target_sigaction act, oact, *pact = 0; |
5858 |
struct target_old_sigaction *old_act;
|
5859 |
if (arg2) {
|
5860 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
5861 |
goto efault;
|
5862 |
act._sa_handler = old_act->_sa_handler; |
5863 |
target_siginitset(&act.sa_mask, old_act->sa_mask); |
5864 |
act.sa_flags = old_act->sa_flags; |
5865 |
act.sa_restorer = 0;
|
5866 |
unlock_user_struct(old_act, arg2, 0);
|
5867 |
pact = &act; |
5868 |
} |
5869 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
5870 |
if (!is_error(ret) && arg3) {
|
5871 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
5872 |
goto efault;
|
5873 |
old_act->_sa_handler = oact._sa_handler; |
5874 |
old_act->sa_mask = oact.sa_mask.sig[0];
|
5875 |
old_act->sa_flags = oact.sa_flags; |
5876 |
unlock_user_struct(old_act, arg3, 1);
|
5877 |
} |
5878 |
#elif defined(TARGET_MIPS)
|
5879 |
struct target_sigaction act, oact, *pact, *old_act;
|
5880 |
|
5881 |
if (arg2) {
|
5882 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
5883 |
goto efault;
|
5884 |
act._sa_handler = old_act->_sa_handler; |
5885 |
target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
|
5886 |
act.sa_flags = old_act->sa_flags; |
5887 |
unlock_user_struct(old_act, arg2, 0);
|
5888 |
pact = &act; |
5889 |
} else {
|
5890 |
pact = NULL;
|
5891 |
} |
5892 |
|
5893 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
5894 |
|
5895 |
if (!is_error(ret) && arg3) {
|
5896 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
5897 |
goto efault;
|
5898 |
old_act->_sa_handler = oact._sa_handler; |
5899 |
old_act->sa_flags = oact.sa_flags; |
5900 |
old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; |
5901 |
old_act->sa_mask.sig[1] = 0; |
5902 |
old_act->sa_mask.sig[2] = 0; |
5903 |
old_act->sa_mask.sig[3] = 0; |
5904 |
unlock_user_struct(old_act, arg3, 1);
|
5905 |
} |
5906 |
#else
|
5907 |
struct target_old_sigaction *old_act;
|
5908 |
struct target_sigaction act, oact, *pact;
|
5909 |
if (arg2) {
|
5910 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
5911 |
goto efault;
|
5912 |
act._sa_handler = old_act->_sa_handler; |
5913 |
target_siginitset(&act.sa_mask, old_act->sa_mask); |
5914 |
act.sa_flags = old_act->sa_flags; |
5915 |
act.sa_restorer = old_act->sa_restorer; |
5916 |
unlock_user_struct(old_act, arg2, 0);
|
5917 |
pact = &act; |
5918 |
} else {
|
5919 |
pact = NULL;
|
5920 |
} |
5921 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
5922 |
if (!is_error(ret) && arg3) {
|
5923 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
5924 |
goto efault;
|
5925 |
old_act->_sa_handler = oact._sa_handler; |
5926 |
old_act->sa_mask = oact.sa_mask.sig[0];
|
5927 |
old_act->sa_flags = oact.sa_flags; |
5928 |
old_act->sa_restorer = oact.sa_restorer; |
5929 |
unlock_user_struct(old_act, arg3, 1);
|
5930 |
} |
5931 |
#endif
|
5932 |
} |
5933 |
break;
|
5934 |
#endif
|
5935 |
case TARGET_NR_rt_sigaction:
|
5936 |
{ |
5937 |
#if defined(TARGET_ALPHA)
|
5938 |
struct target_sigaction act, oact, *pact = 0; |
5939 |
struct target_rt_sigaction *rt_act;
|
5940 |
/* ??? arg4 == sizeof(sigset_t). */
|
5941 |
if (arg2) {
|
5942 |
if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) |
5943 |
goto efault;
|
5944 |
act._sa_handler = rt_act->_sa_handler; |
5945 |
act.sa_mask = rt_act->sa_mask; |
5946 |
act.sa_flags = rt_act->sa_flags; |
5947 |
act.sa_restorer = arg5; |
5948 |
unlock_user_struct(rt_act, arg2, 0);
|
5949 |
pact = &act; |
5950 |
} |
5951 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
5952 |
if (!is_error(ret) && arg3) {
|
5953 |
if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) |
5954 |
goto efault;
|
5955 |
rt_act->_sa_handler = oact._sa_handler; |
5956 |
rt_act->sa_mask = oact.sa_mask; |
5957 |
rt_act->sa_flags = oact.sa_flags; |
5958 |
unlock_user_struct(rt_act, arg3, 1);
|
5959 |
} |
5960 |
#else
|
5961 |
struct target_sigaction *act;
|
5962 |
struct target_sigaction *oact;
|
5963 |
|
5964 |
if (arg2) {
|
5965 |
if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) |
5966 |
goto efault;
|
5967 |
} else
|
5968 |
act = NULL;
|
5969 |
if (arg3) {
|
5970 |
if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { |
5971 |
ret = -TARGET_EFAULT; |
5972 |
goto rt_sigaction_fail;
|
5973 |
} |
5974 |
} else
|
5975 |
oact = NULL;
|
5976 |
ret = get_errno(do_sigaction(arg1, act, oact)); |
5977 |
rt_sigaction_fail:
|
5978 |
if (act)
|
5979 |
unlock_user_struct(act, arg2, 0);
|
5980 |
if (oact)
|
5981 |
unlock_user_struct(oact, arg3, 1);
|
5982 |
#endif
|
5983 |
} |
5984 |
break;
|
5985 |
#ifdef TARGET_NR_sgetmask /* not on alpha */ |
5986 |
case TARGET_NR_sgetmask:
|
5987 |
{ |
5988 |
sigset_t cur_set; |
5989 |
abi_ulong target_set; |
5990 |
sigprocmask(0, NULL, &cur_set); |
5991 |
host_to_target_old_sigset(&target_set, &cur_set); |
5992 |
ret = target_set; |
5993 |
} |
5994 |
break;
|
5995 |
#endif
|
5996 |
#ifdef TARGET_NR_ssetmask /* not on alpha */ |
5997 |
case TARGET_NR_ssetmask:
|
5998 |
{ |
5999 |
sigset_t set, oset, cur_set; |
6000 |
abi_ulong target_set = arg1; |
6001 |
sigprocmask(0, NULL, &cur_set); |
6002 |
target_to_host_old_sigset(&set, &target_set); |
6003 |
sigorset(&set, &set, &cur_set); |
6004 |
sigprocmask(SIG_SETMASK, &set, &oset); |
6005 |
host_to_target_old_sigset(&target_set, &oset); |
6006 |
ret = target_set; |
6007 |
} |
6008 |
break;
|
6009 |
#endif
|
6010 |
#ifdef TARGET_NR_sigprocmask
|
6011 |
case TARGET_NR_sigprocmask:
|
6012 |
{ |
6013 |
#if defined(TARGET_ALPHA)
|
6014 |
sigset_t set, oldset; |
6015 |
abi_ulong mask; |
6016 |
int how;
|
6017 |
|
6018 |
switch (arg1) {
|
6019 |
case TARGET_SIG_BLOCK:
|
6020 |
how = SIG_BLOCK; |
6021 |
break;
|
6022 |
case TARGET_SIG_UNBLOCK:
|
6023 |
how = SIG_UNBLOCK; |
6024 |
break;
|
6025 |
case TARGET_SIG_SETMASK:
|
6026 |
how = SIG_SETMASK; |
6027 |
break;
|
6028 |
default:
|
6029 |
ret = -TARGET_EINVAL; |
6030 |
goto fail;
|
6031 |
} |
6032 |
mask = arg2; |
6033 |
target_to_host_old_sigset(&set, &mask); |
6034 |
|
6035 |
ret = get_errno(sigprocmask(how, &set, &oldset)); |
6036 |
if (!is_error(ret)) {
|
6037 |
host_to_target_old_sigset(&mask, &oldset); |
6038 |
ret = mask; |
6039 |
((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
6040 |
} |
6041 |
#else
|
6042 |
sigset_t set, oldset, *set_ptr; |
6043 |
int how;
|
6044 |
|
6045 |
if (arg2) {
|
6046 |
switch (arg1) {
|
6047 |
case TARGET_SIG_BLOCK:
|
6048 |
how = SIG_BLOCK; |
6049 |
break;
|
6050 |
case TARGET_SIG_UNBLOCK:
|
6051 |
how = SIG_UNBLOCK; |
6052 |
break;
|
6053 |
case TARGET_SIG_SETMASK:
|
6054 |
how = SIG_SETMASK; |
6055 |
break;
|
6056 |
default:
|
6057 |
ret = -TARGET_EINVAL; |
6058 |
goto fail;
|
6059 |
} |
6060 |
if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
6061 |
goto efault;
|
6062 |
target_to_host_old_sigset(&set, p); |
6063 |
unlock_user(p, arg2, 0);
|
6064 |
set_ptr = &set; |
6065 |
} else {
|
6066 |
how = 0;
|
6067 |
set_ptr = NULL;
|
6068 |
} |
6069 |
ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
6070 |
if (!is_error(ret) && arg3) {
|
6071 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
6072 |
goto efault;
|
6073 |
host_to_target_old_sigset(p, &oldset); |
6074 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
6075 |
} |
6076 |
#endif
|
6077 |
} |
6078 |
break;
|
6079 |
#endif
|
6080 |
case TARGET_NR_rt_sigprocmask:
|
6081 |
{ |
6082 |
int how = arg1;
|
6083 |
sigset_t set, oldset, *set_ptr; |
6084 |
|
6085 |
if (arg2) {
|
6086 |
switch(how) {
|
6087 |
case TARGET_SIG_BLOCK:
|
6088 |
how = SIG_BLOCK; |
6089 |
break;
|
6090 |
case TARGET_SIG_UNBLOCK:
|
6091 |
how = SIG_UNBLOCK; |
6092 |
break;
|
6093 |
case TARGET_SIG_SETMASK:
|
6094 |
how = SIG_SETMASK; |
6095 |
break;
|
6096 |
default:
|
6097 |
ret = -TARGET_EINVAL; |
6098 |
goto fail;
|
6099 |
} |
6100 |
if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
6101 |
goto efault;
|
6102 |
target_to_host_sigset(&set, p); |
6103 |
unlock_user(p, arg2, 0);
|
6104 |
set_ptr = &set; |
6105 |
} else {
|
6106 |
how = 0;
|
6107 |
set_ptr = NULL;
|
6108 |
} |
6109 |
ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
6110 |
if (!is_error(ret) && arg3) {
|
6111 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
6112 |
goto efault;
|
6113 |
host_to_target_sigset(p, &oldset); |
6114 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
6115 |
} |
6116 |
} |
6117 |
break;
|
6118 |
#ifdef TARGET_NR_sigpending
|
6119 |
case TARGET_NR_sigpending:
|
6120 |
{ |
6121 |
sigset_t set; |
6122 |
ret = get_errno(sigpending(&set)); |
6123 |
if (!is_error(ret)) {
|
6124 |
if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
6125 |
goto efault;
|
6126 |
host_to_target_old_sigset(p, &set); |
6127 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
6128 |
} |
6129 |
} |
6130 |
break;
|
6131 |
#endif
|
6132 |
case TARGET_NR_rt_sigpending:
|
6133 |
{ |
6134 |
sigset_t set; |
6135 |
ret = get_errno(sigpending(&set)); |
6136 |
if (!is_error(ret)) {
|
6137 |
if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
6138 |
goto efault;
|
6139 |
host_to_target_sigset(p, &set); |
6140 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
6141 |
} |
6142 |
} |
6143 |
break;
|
6144 |
#ifdef TARGET_NR_sigsuspend
|
6145 |
case TARGET_NR_sigsuspend:
|
6146 |
{ |
6147 |
sigset_t set; |
6148 |
#if defined(TARGET_ALPHA)
|
6149 |
abi_ulong mask = arg1; |
6150 |
target_to_host_old_sigset(&set, &mask); |
6151 |
#else
|
6152 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
6153 |
goto efault;
|
6154 |
target_to_host_old_sigset(&set, p); |
6155 |
unlock_user(p, arg1, 0);
|
6156 |
#endif
|
6157 |
ret = get_errno(sigsuspend(&set)); |
6158 |
} |
6159 |
break;
|
6160 |
#endif
|
6161 |
case TARGET_NR_rt_sigsuspend:
|
6162 |
{ |
6163 |
sigset_t set; |
6164 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
6165 |
goto efault;
|
6166 |
target_to_host_sigset(&set, p); |
6167 |
unlock_user(p, arg1, 0);
|
6168 |
ret = get_errno(sigsuspend(&set)); |
6169 |
} |
6170 |
break;
|
6171 |
case TARGET_NR_rt_sigtimedwait:
|
6172 |
{ |
6173 |
sigset_t set; |
6174 |
struct timespec uts, *puts;
|
6175 |
siginfo_t uinfo; |
6176 |
|
6177 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
6178 |
goto efault;
|
6179 |
target_to_host_sigset(&set, p); |
6180 |
unlock_user(p, arg1, 0);
|
6181 |
if (arg3) {
|
6182 |
puts = &uts; |
6183 |
target_to_host_timespec(puts, arg3); |
6184 |
} else {
|
6185 |
puts = NULL;
|
6186 |
} |
6187 |
ret = get_errno(sigtimedwait(&set, &uinfo, puts)); |
6188 |
if (!is_error(ret) && arg2) {
|
6189 |
if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0))) |
6190 |
goto efault;
|
6191 |
host_to_target_siginfo(p, &uinfo); |
6192 |
unlock_user(p, arg2, sizeof(target_siginfo_t));
|
6193 |
} |
6194 |
} |
6195 |
break;
|
6196 |
case TARGET_NR_rt_sigqueueinfo:
|
6197 |
{ |
6198 |
siginfo_t uinfo; |
6199 |
if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) |
6200 |
goto efault;
|
6201 |
target_to_host_siginfo(&uinfo, p); |
6202 |
unlock_user(p, arg1, 0);
|
6203 |
ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
6204 |
} |
6205 |
break;
|
6206 |
#ifdef TARGET_NR_sigreturn
|
6207 |
case TARGET_NR_sigreturn:
|
6208 |
/* NOTE: ret is eax, so not transcoding must be done */
|
6209 |
ret = do_sigreturn(cpu_env); |
6210 |
break;
|
6211 |
#endif
|
6212 |
case TARGET_NR_rt_sigreturn:
|
6213 |
/* NOTE: ret is eax, so not transcoding must be done */
|
6214 |
ret = do_rt_sigreturn(cpu_env); |
6215 |
break;
|
6216 |
case TARGET_NR_sethostname:
|
6217 |
if (!(p = lock_user_string(arg1)))
|
6218 |
goto efault;
|
6219 |
ret = get_errno(sethostname(p, arg2)); |
6220 |
unlock_user(p, arg1, 0);
|
6221 |
break;
|
6222 |
case TARGET_NR_setrlimit:
|
6223 |
{ |
6224 |
int resource = target_to_host_resource(arg1);
|
6225 |
struct target_rlimit *target_rlim;
|
6226 |
struct rlimit rlim;
|
6227 |
if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
6228 |
goto efault;
|
6229 |
rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
6230 |
rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); |
6231 |
unlock_user_struct(target_rlim, arg2, 0);
|
6232 |
ret = get_errno(setrlimit(resource, &rlim)); |
6233 |
} |
6234 |
break;
|
6235 |
case TARGET_NR_getrlimit:
|
6236 |
{ |
6237 |
int resource = target_to_host_resource(arg1);
|
6238 |
struct target_rlimit *target_rlim;
|
6239 |
struct rlimit rlim;
|
6240 |
|
6241 |
ret = get_errno(getrlimit(resource, &rlim)); |
6242 |
if (!is_error(ret)) {
|
6243 |
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
6244 |
goto efault;
|
6245 |
target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
6246 |
target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); |
6247 |
unlock_user_struct(target_rlim, arg2, 1);
|
6248 |
} |
6249 |
} |
6250 |
break;
|
6251 |
case TARGET_NR_getrusage:
|
6252 |
{ |
6253 |
struct rusage rusage;
|
6254 |
ret = get_errno(getrusage(arg1, &rusage)); |
6255 |
if (!is_error(ret)) {
|
6256 |
host_to_target_rusage(arg2, &rusage); |
6257 |
} |
6258 |
} |
6259 |
break;
|
6260 |
case TARGET_NR_gettimeofday:
|
6261 |
{ |
6262 |
struct timeval tv;
|
6263 |
ret = get_errno(gettimeofday(&tv, NULL));
|
6264 |
if (!is_error(ret)) {
|
6265 |
if (copy_to_user_timeval(arg1, &tv))
|
6266 |
goto efault;
|
6267 |
} |
6268 |
} |
6269 |
break;
|
6270 |
case TARGET_NR_settimeofday:
|
6271 |
{ |
6272 |
struct timeval tv;
|
6273 |
if (copy_from_user_timeval(&tv, arg1))
|
6274 |
goto efault;
|
6275 |
ret = get_errno(settimeofday(&tv, NULL));
|
6276 |
} |
6277 |
break;
|
6278 |
#if defined(TARGET_NR_select)
|
6279 |
case TARGET_NR_select:
|
6280 |
#if defined(TARGET_S390X) || defined(TARGET_ALPHA)
|
6281 |
ret = do_select(arg1, arg2, arg3, arg4, arg5); |
6282 |
#else
|
6283 |
{ |
6284 |
struct target_sel_arg_struct *sel;
|
6285 |
abi_ulong inp, outp, exp, tvp; |
6286 |
long nsel;
|
6287 |
|
6288 |
if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) |
6289 |
goto efault;
|
6290 |
nsel = tswapal(sel->n); |
6291 |
inp = tswapal(sel->inp); |
6292 |
outp = tswapal(sel->outp); |
6293 |
exp = tswapal(sel->exp); |
6294 |
tvp = tswapal(sel->tvp); |
6295 |
unlock_user_struct(sel, arg1, 0);
|
6296 |
ret = do_select(nsel, inp, outp, exp, tvp); |
6297 |
} |
6298 |
#endif
|
6299 |
break;
|
6300 |
#endif
|
6301 |
#ifdef TARGET_NR_pselect6
|
6302 |
case TARGET_NR_pselect6:
|
6303 |
{ |
6304 |
abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; |
6305 |
fd_set rfds, wfds, efds; |
6306 |
fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; |
6307 |
struct timespec ts, *ts_ptr;
|
6308 |
|
6309 |
/*
|
6310 |
* The 6th arg is actually two args smashed together,
|
6311 |
* so we cannot use the C library.
|
6312 |
*/
|
6313 |
sigset_t set; |
6314 |
struct {
|
6315 |
sigset_t *set; |
6316 |
size_t size; |
6317 |
} sig, *sig_ptr; |
6318 |
|
6319 |
abi_ulong arg_sigset, arg_sigsize, *arg7; |
6320 |
target_sigset_t *target_sigset; |
6321 |
|
6322 |
n = arg1; |
6323 |
rfd_addr = arg2; |
6324 |
wfd_addr = arg3; |
6325 |
efd_addr = arg4; |
6326 |
ts_addr = arg5; |
6327 |
|
6328 |
ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
6329 |
if (ret) {
|
6330 |
goto fail;
|
6331 |
} |
6332 |
ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
6333 |
if (ret) {
|
6334 |
goto fail;
|
6335 |
} |
6336 |
ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
6337 |
if (ret) {
|
6338 |
goto fail;
|
6339 |
} |
6340 |
|
6341 |
/*
|
6342 |
* This takes a timespec, and not a timeval, so we cannot
|
6343 |
* use the do_select() helper ...
|
6344 |
*/
|
6345 |
if (ts_addr) {
|
6346 |
if (target_to_host_timespec(&ts, ts_addr)) {
|
6347 |
goto efault;
|
6348 |
} |
6349 |
ts_ptr = &ts; |
6350 |
} else {
|
6351 |
ts_ptr = NULL;
|
6352 |
} |
6353 |
|
6354 |
/* Extract the two packed args for the sigset */
|
6355 |
if (arg6) {
|
6356 |
sig_ptr = &sig; |
6357 |
sig.size = _NSIG / 8;
|
6358 |
|
6359 |
arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); |
6360 |
if (!arg7) {
|
6361 |
goto efault;
|
6362 |
} |
6363 |
arg_sigset = tswapal(arg7[0]);
|
6364 |
arg_sigsize = tswapal(arg7[1]);
|
6365 |
unlock_user(arg7, arg6, 0);
|
6366 |
|
6367 |
if (arg_sigset) {
|
6368 |
sig.set = &set; |
6369 |
if (arg_sigsize != sizeof(*target_sigset)) { |
6370 |
/* Like the kernel, we enforce correct size sigsets */
|
6371 |
ret = -TARGET_EINVAL; |
6372 |
goto fail;
|
6373 |
} |
6374 |
target_sigset = lock_user(VERIFY_READ, arg_sigset, |
6375 |
sizeof(*target_sigset), 1); |
6376 |
if (!target_sigset) {
|
6377 |
goto efault;
|
6378 |
} |
6379 |
target_to_host_sigset(&set, target_sigset); |
6380 |
unlock_user(target_sigset, arg_sigset, 0);
|
6381 |
} else {
|
6382 |
sig.set = NULL;
|
6383 |
} |
6384 |
} else {
|
6385 |
sig_ptr = NULL;
|
6386 |
} |
6387 |
|
6388 |
ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
6389 |
ts_ptr, sig_ptr)); |
6390 |
|
6391 |
if (!is_error(ret)) {
|
6392 |
if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
|
6393 |
goto efault;
|
6394 |
if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
|
6395 |
goto efault;
|
6396 |
if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
|
6397 |
goto efault;
|
6398 |
|
6399 |
if (ts_addr && host_to_target_timespec(ts_addr, &ts))
|
6400 |
goto efault;
|
6401 |
} |
6402 |
} |
6403 |
break;
|
6404 |
#endif
|
6405 |
case TARGET_NR_symlink:
|
6406 |
{ |
6407 |
void *p2;
|
6408 |
p = lock_user_string(arg1); |
6409 |
p2 = lock_user_string(arg2); |
6410 |
if (!p || !p2)
|
6411 |
ret = -TARGET_EFAULT; |
6412 |
else
|
6413 |
ret = get_errno(symlink(p, p2)); |
6414 |
unlock_user(p2, arg2, 0);
|
6415 |
unlock_user(p, arg1, 0);
|
6416 |
} |
6417 |
break;
|
6418 |
#if defined(TARGET_NR_symlinkat)
|
6419 |
case TARGET_NR_symlinkat:
|
6420 |
{ |
6421 |
void *p2;
|
6422 |
p = lock_user_string(arg1); |
6423 |
p2 = lock_user_string(arg3); |
6424 |
if (!p || !p2)
|
6425 |
ret = -TARGET_EFAULT; |
6426 |
else
|
6427 |
ret = get_errno(symlinkat(p, arg2, p2)); |
6428 |
unlock_user(p2, arg3, 0);
|
6429 |
unlock_user(p, arg1, 0);
|
6430 |
} |
6431 |
break;
|
6432 |
#endif
|
6433 |
#ifdef TARGET_NR_oldlstat
|
6434 |
case TARGET_NR_oldlstat:
|
6435 |
goto unimplemented;
|
6436 |
#endif
|
6437 |
case TARGET_NR_readlink:
|
6438 |
{ |
6439 |
void *p2;
|
6440 |
p = lock_user_string(arg1); |
6441 |
p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
|
6442 |
if (!p || !p2) {
|
6443 |
ret = -TARGET_EFAULT; |
6444 |
} else if (is_proc_myself((const char *)p, "exe")) { |
6445 |
char real[PATH_MAX], *temp;
|
6446 |
temp = realpath(exec_path, real); |
6447 |
ret = temp == NULL ? get_errno(-1) : strlen(real) ; |
6448 |
snprintf((char *)p2, arg3, "%s", real); |
6449 |
} else {
|
6450 |
ret = get_errno(readlink(path(p), p2, arg3)); |
6451 |
} |
6452 |
unlock_user(p2, arg2, ret); |
6453 |
unlock_user(p, arg1, 0);
|
6454 |
} |
6455 |
break;
|
6456 |
#if defined(TARGET_NR_readlinkat)
|
6457 |
case TARGET_NR_readlinkat:
|
6458 |
{ |
6459 |
void *p2;
|
6460 |
p = lock_user_string(arg2); |
6461 |
p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
|
6462 |
if (!p || !p2) {
|
6463 |
ret = -TARGET_EFAULT; |
6464 |
} else if (is_proc_myself((const char *)p, "exe")) { |
6465 |
char real[PATH_MAX], *temp;
|
6466 |
temp = realpath(exec_path, real); |
6467 |
ret = temp == NULL ? get_errno(-1) : strlen(real) ; |
6468 |
snprintf((char *)p2, arg4, "%s", real); |
6469 |
} else {
|
6470 |
ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
6471 |
} |
6472 |
unlock_user(p2, arg3, ret); |
6473 |
unlock_user(p, arg2, 0);
|
6474 |
} |
6475 |
break;
|
6476 |
#endif
|
6477 |
#ifdef TARGET_NR_uselib
|
6478 |
case TARGET_NR_uselib:
|
6479 |
goto unimplemented;
|
6480 |
#endif
|
6481 |
#ifdef TARGET_NR_swapon
|
6482 |
case TARGET_NR_swapon:
|
6483 |
if (!(p = lock_user_string(arg1)))
|
6484 |
goto efault;
|
6485 |
ret = get_errno(swapon(p, arg2)); |
6486 |
unlock_user(p, arg1, 0);
|
6487 |
break;
|
6488 |
#endif
|
6489 |
case TARGET_NR_reboot:
|
6490 |
if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
|
6491 |
/* arg4 must be ignored in all other cases */
|
6492 |
p = lock_user_string(arg4); |
6493 |
if (!p) {
|
6494 |
goto efault;
|
6495 |
} |
6496 |
ret = get_errno(reboot(arg1, arg2, arg3, p)); |
6497 |
unlock_user(p, arg4, 0);
|
6498 |
} else {
|
6499 |
ret = get_errno(reboot(arg1, arg2, arg3, NULL));
|
6500 |
} |
6501 |
break;
|
6502 |
#ifdef TARGET_NR_readdir
|
6503 |
case TARGET_NR_readdir:
|
6504 |
goto unimplemented;
|
6505 |
#endif
|
6506 |
#ifdef TARGET_NR_mmap
|
6507 |
case TARGET_NR_mmap:
|
6508 |
#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
|
6509 |
(defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ |
6510 |
defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
6511 |
|| defined(TARGET_S390X) |
6512 |
{ |
6513 |
abi_ulong *v; |
6514 |
abi_ulong v1, v2, v3, v4, v5, v6; |
6515 |
if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
6516 |
goto efault;
|
6517 |
v1 = tswapal(v[0]);
|
6518 |
v2 = tswapal(v[1]);
|
6519 |
v3 = tswapal(v[2]);
|
6520 |
v4 = tswapal(v[3]);
|
6521 |
v5 = tswapal(v[4]);
|
6522 |
v6 = tswapal(v[5]);
|
6523 |
unlock_user(v, arg1, 0);
|
6524 |
ret = get_errno(target_mmap(v1, v2, v3, |
6525 |
target_to_host_bitmask(v4, mmap_flags_tbl), |
6526 |
v5, v6)); |
6527 |
} |
6528 |
#else
|
6529 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
6530 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
6531 |
arg5, |
6532 |
arg6)); |
6533 |
#endif
|
6534 |
break;
|
6535 |
#endif
|
6536 |
#ifdef TARGET_NR_mmap2
|
6537 |
case TARGET_NR_mmap2:
|
6538 |
#ifndef MMAP_SHIFT
|
6539 |
#define MMAP_SHIFT 12 |
6540 |
#endif
|
6541 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
6542 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
6543 |
arg5, |
6544 |
arg6 << MMAP_SHIFT)); |
6545 |
break;
|
6546 |
#endif
|
6547 |
case TARGET_NR_munmap:
|
6548 |
ret = get_errno(target_munmap(arg1, arg2)); |
6549 |
break;
|
6550 |
case TARGET_NR_mprotect:
|
6551 |
{ |
6552 |
TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
6553 |
/* Special hack to detect libc making the stack executable. */
|
6554 |
if ((arg3 & PROT_GROWSDOWN)
|
6555 |
&& arg1 >= ts->info->stack_limit |
6556 |
&& arg1 <= ts->info->start_stack) { |
6557 |
arg3 &= ~PROT_GROWSDOWN; |
6558 |
arg2 = arg2 + arg1 - ts->info->stack_limit; |
6559 |
arg1 = ts->info->stack_limit; |
6560 |
} |
6561 |
} |
6562 |
ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
6563 |
break;
|
6564 |
#ifdef TARGET_NR_mremap
|
6565 |
case TARGET_NR_mremap:
|
6566 |
ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
6567 |
break;
|
6568 |
#endif
|
6569 |
/* ??? msync/mlock/munlock are broken for softmmu. */
|
6570 |
#ifdef TARGET_NR_msync
|
6571 |
case TARGET_NR_msync:
|
6572 |
ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
6573 |
break;
|
6574 |
#endif
|
6575 |
#ifdef TARGET_NR_mlock
|
6576 |
case TARGET_NR_mlock:
|
6577 |
ret = get_errno(mlock(g2h(arg1), arg2)); |
6578 |
break;
|
6579 |
#endif
|
6580 |
#ifdef TARGET_NR_munlock
|
6581 |
case TARGET_NR_munlock:
|
6582 |
ret = get_errno(munlock(g2h(arg1), arg2)); |
6583 |
break;
|
6584 |
#endif
|
6585 |
#ifdef TARGET_NR_mlockall
|
6586 |
case TARGET_NR_mlockall:
|
6587 |
ret = get_errno(mlockall(arg1)); |
6588 |
break;
|
6589 |
#endif
|
6590 |
#ifdef TARGET_NR_munlockall
|
6591 |
case TARGET_NR_munlockall:
|
6592 |
ret = get_errno(munlockall()); |
6593 |
break;
|
6594 |
#endif
|
6595 |
case TARGET_NR_truncate:
|
6596 |
if (!(p = lock_user_string(arg1)))
|
6597 |
goto efault;
|
6598 |
ret = get_errno(truncate(p, arg2)); |
6599 |
unlock_user(p, arg1, 0);
|
6600 |
break;
|
6601 |
case TARGET_NR_ftruncate:
|
6602 |
ret = get_errno(ftruncate(arg1, arg2)); |
6603 |
break;
|
6604 |
case TARGET_NR_fchmod:
|
6605 |
ret = get_errno(fchmod(arg1, arg2)); |
6606 |
break;
|
6607 |
#if defined(TARGET_NR_fchmodat)
|
6608 |
case TARGET_NR_fchmodat:
|
6609 |
if (!(p = lock_user_string(arg2)))
|
6610 |
goto efault;
|
6611 |
ret = get_errno(fchmodat(arg1, p, arg3, 0));
|
6612 |
unlock_user(p, arg2, 0);
|
6613 |
break;
|
6614 |
#endif
|
6615 |
case TARGET_NR_getpriority:
|
6616 |
/* Note that negative values are valid for getpriority, so we must
|
6617 |
differentiate based on errno settings. */
|
6618 |
errno = 0;
|
6619 |
ret = getpriority(arg1, arg2); |
6620 |
if (ret == -1 && errno != 0) { |
6621 |
ret = -host_to_target_errno(errno); |
6622 |
break;
|
6623 |
} |
6624 |
#ifdef TARGET_ALPHA
|
6625 |
/* Return value is the unbiased priority. Signal no error. */
|
6626 |
((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
|
6627 |
#else
|
6628 |
/* Return value is a biased priority to avoid negative numbers. */
|
6629 |
ret = 20 - ret;
|
6630 |
#endif
|
6631 |
break;
|
6632 |
case TARGET_NR_setpriority:
|
6633 |
ret = get_errno(setpriority(arg1, arg2, arg3)); |
6634 |
break;
|
6635 |
#ifdef TARGET_NR_profil
|
6636 |
case TARGET_NR_profil:
|
6637 |
goto unimplemented;
|
6638 |
#endif
|
6639 |
case TARGET_NR_statfs:
|
6640 |
if (!(p = lock_user_string(arg1)))
|
6641 |
goto efault;
|
6642 |
ret = get_errno(statfs(path(p), &stfs)); |
6643 |
unlock_user(p, arg1, 0);
|
6644 |
convert_statfs:
|
6645 |
if (!is_error(ret)) {
|
6646 |
struct target_statfs *target_stfs;
|
6647 |
|
6648 |
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
6649 |
goto efault;
|
6650 |
__put_user(stfs.f_type, &target_stfs->f_type); |
6651 |
__put_user(stfs.f_bsize, &target_stfs->f_bsize); |
6652 |
__put_user(stfs.f_blocks, &target_stfs->f_blocks); |
6653 |
__put_user(stfs.f_bfree, &target_stfs->f_bfree); |
6654 |
__put_user(stfs.f_bavail, &target_stfs->f_bavail); |
6655 |
__put_user(stfs.f_files, &target_stfs->f_files); |
6656 |
__put_user(stfs.f_ffree, &target_stfs->f_ffree); |
6657 |
__put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
6658 |
__put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
6659 |
__put_user(stfs.f_namelen, &target_stfs->f_namelen); |
6660 |
__put_user(stfs.f_frsize, &target_stfs->f_frsize); |
6661 |
memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
6662 |
unlock_user_struct(target_stfs, arg2, 1);
|
6663 |
} |
6664 |
break;
|
6665 |
case TARGET_NR_fstatfs:
|
6666 |
ret = get_errno(fstatfs(arg1, &stfs)); |
6667 |
goto convert_statfs;
|
6668 |
#ifdef TARGET_NR_statfs64
|
6669 |
case TARGET_NR_statfs64:
|
6670 |
if (!(p = lock_user_string(arg1)))
|
6671 |
goto efault;
|
6672 |
ret = get_errno(statfs(path(p), &stfs)); |
6673 |
unlock_user(p, arg1, 0);
|
6674 |
convert_statfs64:
|
6675 |
if (!is_error(ret)) {
|
6676 |
struct target_statfs64 *target_stfs;
|
6677 |
|
6678 |
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
6679 |
goto efault;
|
6680 |
__put_user(stfs.f_type, &target_stfs->f_type); |
6681 |
__put_user(stfs.f_bsize, &target_stfs->f_bsize); |
6682 |
__put_user(stfs.f_blocks, &target_stfs->f_blocks); |
6683 |
__put_user(stfs.f_bfree, &target_stfs->f_bfree); |
6684 |
__put_user(stfs.f_bavail, &target_stfs->f_bavail); |
6685 |
__put_user(stfs.f_files, &target_stfs->f_files); |
6686 |
__put_user(stfs.f_ffree, &target_stfs->f_ffree); |
6687 |
__put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
6688 |
__put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
6689 |
__put_user(stfs.f_namelen, &target_stfs->f_namelen); |
6690 |
__put_user(stfs.f_frsize, &target_stfs->f_frsize); |
6691 |
memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
6692 |
unlock_user_struct(target_stfs, arg3, 1);
|
6693 |
} |
6694 |
break;
|
6695 |
case TARGET_NR_fstatfs64:
|
6696 |
ret = get_errno(fstatfs(arg1, &stfs)); |
6697 |
goto convert_statfs64;
|
6698 |
#endif
|
6699 |
#ifdef TARGET_NR_ioperm
|
6700 |
case TARGET_NR_ioperm:
|
6701 |
goto unimplemented;
|
6702 |
#endif
|
6703 |
#ifdef TARGET_NR_socketcall
|
6704 |
case TARGET_NR_socketcall:
|
6705 |
ret = do_socketcall(arg1, arg2); |
6706 |
break;
|
6707 |
#endif
|
6708 |
#ifdef TARGET_NR_accept
|
6709 |
case TARGET_NR_accept:
|
6710 |
ret = do_accept4(arg1, arg2, arg3, 0);
|
6711 |
break;
|
6712 |
#endif
|
6713 |
#ifdef TARGET_NR_accept4
|
6714 |
case TARGET_NR_accept4:
|
6715 |
#ifdef CONFIG_ACCEPT4
|
6716 |
ret = do_accept4(arg1, arg2, arg3, arg4); |
6717 |
#else
|
6718 |
goto unimplemented;
|
6719 |
#endif
|
6720 |
break;
|
6721 |
#endif
|
6722 |
#ifdef TARGET_NR_bind
|
6723 |
case TARGET_NR_bind:
|
6724 |
ret = do_bind(arg1, arg2, arg3); |
6725 |
break;
|
6726 |
#endif
|
6727 |
#ifdef TARGET_NR_connect
|
6728 |
case TARGET_NR_connect:
|
6729 |
ret = do_connect(arg1, arg2, arg3); |
6730 |
break;
|
6731 |
#endif
|
6732 |
#ifdef TARGET_NR_getpeername
|
6733 |
case TARGET_NR_getpeername:
|
6734 |
ret = do_getpeername(arg1, arg2, arg3); |
6735 |
break;
|
6736 |
#endif
|
6737 |
#ifdef TARGET_NR_getsockname
|
6738 |
case TARGET_NR_getsockname:
|
6739 |
ret = do_getsockname(arg1, arg2, arg3); |
6740 |
break;
|
6741 |
#endif
|
6742 |
#ifdef TARGET_NR_getsockopt
|
6743 |
case TARGET_NR_getsockopt:
|
6744 |
ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
6745 |
break;
|
6746 |
#endif
|
6747 |
#ifdef TARGET_NR_listen
|
6748 |
case TARGET_NR_listen:
|
6749 |
ret = get_errno(listen(arg1, arg2)); |
6750 |
break;
|
6751 |
#endif
|
6752 |
#ifdef TARGET_NR_recv
|
6753 |
case TARGET_NR_recv:
|
6754 |
ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
6755 |
break;
|
6756 |
#endif
|
6757 |
#ifdef TARGET_NR_recvfrom
|
6758 |
case TARGET_NR_recvfrom:
|
6759 |
ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
6760 |
break;
|
6761 |
#endif
|
6762 |
#ifdef TARGET_NR_recvmsg
|
6763 |
case TARGET_NR_recvmsg:
|
6764 |
ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
|
6765 |
break;
|
6766 |
#endif
|
6767 |
#ifdef TARGET_NR_send
|
6768 |
case TARGET_NR_send:
|
6769 |
ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
6770 |
break;
|
6771 |
#endif
|
6772 |
#ifdef TARGET_NR_sendmsg
|
6773 |
case TARGET_NR_sendmsg:
|
6774 |
ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
|
6775 |
break;
|
6776 |
#endif
|
6777 |
#ifdef TARGET_NR_sendmmsg
|
6778 |
case TARGET_NR_sendmmsg:
|
6779 |
ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
|
6780 |
break;
|
6781 |
case TARGET_NR_recvmmsg:
|
6782 |
ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
|
6783 |
break;
|
6784 |
#endif
|
6785 |
#ifdef TARGET_NR_sendto
|
6786 |
case TARGET_NR_sendto:
|
6787 |
ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
6788 |
break;
|
6789 |
#endif
|
6790 |
#ifdef TARGET_NR_shutdown
|
6791 |
case TARGET_NR_shutdown:
|
6792 |
ret = get_errno(shutdown(arg1, arg2)); |
6793 |
break;
|
6794 |
#endif
|
6795 |
#ifdef TARGET_NR_socket
|
6796 |
case TARGET_NR_socket:
|
6797 |
ret = do_socket(arg1, arg2, arg3); |
6798 |
break;
|
6799 |
#endif
|
6800 |
#ifdef TARGET_NR_socketpair
|
6801 |
case TARGET_NR_socketpair:
|
6802 |
ret = do_socketpair(arg1, arg2, arg3, arg4); |
6803 |
break;
|
6804 |
#endif
|
6805 |
#ifdef TARGET_NR_setsockopt
|
6806 |
case TARGET_NR_setsockopt:
|
6807 |
ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
6808 |
break;
|
6809 |
#endif
|
6810 |
|
6811 |
case TARGET_NR_syslog:
|
6812 |
if (!(p = lock_user_string(arg2)))
|
6813 |
goto efault;
|
6814 |
ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); |
6815 |
unlock_user(p, arg2, 0);
|
6816 |
break;
|
6817 |
|
6818 |
case TARGET_NR_setitimer:
|
6819 |
{ |
6820 |
struct itimerval value, ovalue, *pvalue;
|
6821 |
|
6822 |
if (arg2) {
|
6823 |
pvalue = &value; |
6824 |
if (copy_from_user_timeval(&pvalue->it_interval, arg2)
|
6825 |
|| copy_from_user_timeval(&pvalue->it_value, |
6826 |
arg2 + sizeof(struct target_timeval))) |
6827 |
goto efault;
|
6828 |
} else {
|
6829 |
pvalue = NULL;
|
6830 |
} |
6831 |
ret = get_errno(setitimer(arg1, pvalue, &ovalue)); |
6832 |
if (!is_error(ret) && arg3) {
|
6833 |
if (copy_to_user_timeval(arg3,
|
6834 |
&ovalue.it_interval) |
6835 |
|| copy_to_user_timeval(arg3 + sizeof(struct target_timeval), |
6836 |
&ovalue.it_value)) |
6837 |
goto efault;
|
6838 |
} |
6839 |
} |
6840 |
break;
|
6841 |
case TARGET_NR_getitimer:
|
6842 |
{ |
6843 |
struct itimerval value;
|
6844 |
|
6845 |
ret = get_errno(getitimer(arg1, &value)); |
6846 |
if (!is_error(ret) && arg2) {
|
6847 |
if (copy_to_user_timeval(arg2,
|
6848 |
&value.it_interval) |
6849 |
|| copy_to_user_timeval(arg2 + sizeof(struct target_timeval), |
6850 |
&value.it_value)) |
6851 |
goto efault;
|
6852 |
} |
6853 |
} |
6854 |
break;
|
6855 |
case TARGET_NR_stat:
|
6856 |
if (!(p = lock_user_string(arg1)))
|
6857 |
goto efault;
|
6858 |
ret = get_errno(stat(path(p), &st)); |
6859 |
unlock_user(p, arg1, 0);
|
6860 |
goto do_stat;
|
6861 |
case TARGET_NR_lstat:
|
6862 |
if (!(p = lock_user_string(arg1)))
|
6863 |
goto efault;
|
6864 |
ret = get_errno(lstat(path(p), &st)); |
6865 |
unlock_user(p, arg1, 0);
|
6866 |
goto do_stat;
|
6867 |
case TARGET_NR_fstat:
|
6868 |
{ |
6869 |
ret = get_errno(fstat(arg1, &st)); |
6870 |
do_stat:
|
6871 |
if (!is_error(ret)) {
|
6872 |
struct target_stat *target_st;
|
6873 |
|
6874 |
if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
6875 |
goto efault;
|
6876 |
memset(target_st, 0, sizeof(*target_st)); |
6877 |
__put_user(st.st_dev, &target_st->st_dev); |
6878 |
__put_user(st.st_ino, &target_st->st_ino); |
6879 |
__put_user(st.st_mode, &target_st->st_mode); |
6880 |
__put_user(st.st_uid, &target_st->st_uid); |
6881 |
__put_user(st.st_gid, &target_st->st_gid); |
6882 |
__put_user(st.st_nlink, &target_st->st_nlink); |
6883 |
__put_user(st.st_rdev, &target_st->st_rdev); |
6884 |
__put_user(st.st_size, &target_st->st_size); |
6885 |
__put_user(st.st_blksize, &target_st->st_blksize); |
6886 |
__put_user(st.st_blocks, &target_st->st_blocks); |
6887 |
__put_user(st.st_atime, &target_st->target_st_atime); |
6888 |
__put_user(st.st_mtime, &target_st->target_st_mtime); |
6889 |
__put_user(st.st_ctime, &target_st->target_st_ctime); |
6890 |
unlock_user_struct(target_st, arg2, 1);
|
6891 |
} |
6892 |
} |
6893 |
break;
|
6894 |
#ifdef TARGET_NR_olduname
|
6895 |
case TARGET_NR_olduname:
|
6896 |
goto unimplemented;
|
6897 |
#endif
|
6898 |
#ifdef TARGET_NR_iopl
|
6899 |
case TARGET_NR_iopl:
|
6900 |
goto unimplemented;
|
6901 |
#endif
|
6902 |
case TARGET_NR_vhangup:
|
6903 |
ret = get_errno(vhangup()); |
6904 |
break;
|
6905 |
#ifdef TARGET_NR_idle
|
6906 |
case TARGET_NR_idle:
|
6907 |
goto unimplemented;
|
6908 |
#endif
|
6909 |
#ifdef TARGET_NR_syscall
|
6910 |
case TARGET_NR_syscall:
|
6911 |
ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
|
6912 |
arg6, arg7, arg8, 0);
|
6913 |
break;
|
6914 |
#endif
|
6915 |
case TARGET_NR_wait4:
|
6916 |
{ |
6917 |
int status;
|
6918 |
abi_long status_ptr = arg2; |
6919 |
struct rusage rusage, *rusage_ptr;
|
6920 |
abi_ulong target_rusage = arg4; |
6921 |
if (target_rusage)
|
6922 |
rusage_ptr = &rusage; |
6923 |
else
|
6924 |
rusage_ptr = NULL;
|
6925 |
ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); |
6926 |
if (!is_error(ret)) {
|
6927 |
if (status_ptr && ret) {
|
6928 |
status = host_to_target_waitstatus(status); |
6929 |
if (put_user_s32(status, status_ptr))
|
6930 |
goto efault;
|
6931 |
} |
6932 |
if (target_rusage)
|
6933 |
host_to_target_rusage(target_rusage, &rusage); |
6934 |
} |
6935 |
} |
6936 |
break;
|
6937 |
#ifdef TARGET_NR_swapoff
|
6938 |
case TARGET_NR_swapoff:
|
6939 |
if (!(p = lock_user_string(arg1)))
|
6940 |
goto efault;
|
6941 |
ret = get_errno(swapoff(p)); |
6942 |
unlock_user(p, arg1, 0);
|
6943 |
break;
|
6944 |
#endif
|
6945 |
case TARGET_NR_sysinfo:
|
6946 |
{ |
6947 |
struct target_sysinfo *target_value;
|
6948 |
struct sysinfo value;
|
6949 |
ret = get_errno(sysinfo(&value)); |
6950 |
if (!is_error(ret) && arg1)
|
6951 |
{ |
6952 |
if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
6953 |
goto efault;
|
6954 |
__put_user(value.uptime, &target_value->uptime); |
6955 |
__put_user(value.loads[0], &target_value->loads[0]); |
6956 |
__put_user(value.loads[1], &target_value->loads[1]); |
6957 |
__put_user(value.loads[2], &target_value->loads[2]); |
6958 |
__put_user(value.totalram, &target_value->totalram); |
6959 |
__put_user(value.freeram, &target_value->freeram); |
6960 |
__put_user(value.sharedram, &target_value->sharedram); |
6961 |
__put_user(value.bufferram, &target_value->bufferram); |
6962 |
__put_user(value.totalswap, &target_value->totalswap); |
6963 |
__put_user(value.freeswap, &target_value->freeswap); |
6964 |
__put_user(value.procs, &target_value->procs); |
6965 |
__put_user(value.totalhigh, &target_value->totalhigh); |
6966 |
__put_user(value.freehigh, &target_value->freehigh); |
6967 |
__put_user(value.mem_unit, &target_value->mem_unit); |
6968 |
unlock_user_struct(target_value, arg1, 1);
|
6969 |
} |
6970 |
} |
6971 |
break;
|
6972 |
#ifdef TARGET_NR_ipc
|
6973 |
case TARGET_NR_ipc:
|
6974 |
ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); |
6975 |
break;
|
6976 |
#endif
|
6977 |
#ifdef TARGET_NR_semget
|
6978 |
case TARGET_NR_semget:
|
6979 |
ret = get_errno(semget(arg1, arg2, arg3)); |
6980 |
break;
|
6981 |
#endif
|
6982 |
#ifdef TARGET_NR_semop
|
6983 |
case TARGET_NR_semop:
|
6984 |
ret = do_semop(arg1, arg2, arg3); |
6985 |
break;
|
6986 |
#endif
|
6987 |
#ifdef TARGET_NR_semctl
|
6988 |
case TARGET_NR_semctl:
|
6989 |
ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
|
6990 |
break;
|
6991 |
#endif
|
6992 |
#ifdef TARGET_NR_msgctl
|
6993 |
case TARGET_NR_msgctl:
|
6994 |
ret = do_msgctl(arg1, arg2, arg3); |
6995 |
break;
|
6996 |
#endif
|
6997 |
#ifdef TARGET_NR_msgget
|
6998 |
case TARGET_NR_msgget:
|
6999 |
ret = get_errno(msgget(arg1, arg2)); |
7000 |
break;
|
7001 |
#endif
|
7002 |
#ifdef TARGET_NR_msgrcv
|
7003 |
case TARGET_NR_msgrcv:
|
7004 |
ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
7005 |
break;
|
7006 |
#endif
|
7007 |
#ifdef TARGET_NR_msgsnd
|
7008 |
case TARGET_NR_msgsnd:
|
7009 |
ret = do_msgsnd(arg1, arg2, arg3, arg4); |
7010 |
break;
|
7011 |
#endif
|
7012 |
#ifdef TARGET_NR_shmget
|
7013 |
case TARGET_NR_shmget:
|
7014 |
ret = get_errno(shmget(arg1, arg2, arg3)); |
7015 |
break;
|
7016 |
#endif
|
7017 |
#ifdef TARGET_NR_shmctl
|
7018 |
case TARGET_NR_shmctl:
|
7019 |
ret = do_shmctl(arg1, arg2, arg3); |
7020 |
break;
|
7021 |
#endif
|
7022 |
#ifdef TARGET_NR_shmat
|
7023 |
case TARGET_NR_shmat:
|
7024 |
ret = do_shmat(arg1, arg2, arg3); |
7025 |
break;
|
7026 |
#endif
|
7027 |
#ifdef TARGET_NR_shmdt
|
7028 |
case TARGET_NR_shmdt:
|
7029 |
ret = do_shmdt(arg1); |
7030 |
break;
|
7031 |
#endif
|
7032 |
case TARGET_NR_fsync:
|
7033 |
ret = get_errno(fsync(arg1)); |
7034 |
break;
|
7035 |
case TARGET_NR_clone:
|
7036 |
/* Linux manages to have three different orderings for its
|
7037 |
* arguments to clone(); the BACKWARDS and BACKWARDS2 defines
|
7038 |
* match the kernel's CONFIG_CLONE_* settings.
|
7039 |
* Microblaze is further special in that it uses a sixth
|
7040 |
* implicit argument to clone for the TLS pointer.
|
7041 |
*/
|
7042 |
#if defined(TARGET_MICROBLAZE)
|
7043 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
7044 |
#elif defined(TARGET_CLONE_BACKWARDS)
|
7045 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); |
7046 |
#elif defined(TARGET_CLONE_BACKWARDS2)
|
7047 |
ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
7048 |
#else
|
7049 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
7050 |
#endif
|
7051 |
break;
|
7052 |
#ifdef __NR_exit_group
|
7053 |
/* new thread calls */
|
7054 |
case TARGET_NR_exit_group:
|
7055 |
#ifdef TARGET_GPROF
|
7056 |
_mcleanup(); |
7057 |
#endif
|
7058 |
gdb_exit(cpu_env, arg1); |
7059 |
ret = get_errno(exit_group(arg1)); |
7060 |
break;
|
7061 |
#endif
|
7062 |
case TARGET_NR_setdomainname:
|
7063 |
if (!(p = lock_user_string(arg1)))
|
7064 |
goto efault;
|
7065 |
ret = get_errno(setdomainname(p, arg2)); |
7066 |
unlock_user(p, arg1, 0);
|
7067 |
break;
|
7068 |
case TARGET_NR_uname:
|
7069 |
/* no need to transcode because we use the linux syscall */
|
7070 |
{ |
7071 |
struct new_utsname * buf;
|
7072 |
|
7073 |
if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
7074 |
goto efault;
|
7075 |
ret = get_errno(sys_uname(buf)); |
7076 |
if (!is_error(ret)) {
|
7077 |
/* Overrite the native machine name with whatever is being
|
7078 |
emulated. */
|
7079 |
strcpy (buf->machine, cpu_to_uname_machine(cpu_env)); |
7080 |
/* Allow the user to override the reported release. */
|
7081 |
if (qemu_uname_release && *qemu_uname_release)
|
7082 |
strcpy (buf->release, qemu_uname_release); |
7083 |
} |
7084 |
unlock_user_struct(buf, arg1, 1);
|
7085 |
} |
7086 |
break;
|
7087 |
#ifdef TARGET_I386
|
7088 |
case TARGET_NR_modify_ldt:
|
7089 |
ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
7090 |
break;
|
7091 |
#if !defined(TARGET_X86_64)
|
7092 |
case TARGET_NR_vm86old:
|
7093 |
goto unimplemented;
|
7094 |
case TARGET_NR_vm86:
|
7095 |
ret = do_vm86(cpu_env, arg1, arg2); |
7096 |
break;
|
7097 |
#endif
|
7098 |
#endif
|
7099 |
case TARGET_NR_adjtimex:
|
7100 |
goto unimplemented;
|
7101 |
#ifdef TARGET_NR_create_module
|
7102 |
case TARGET_NR_create_module:
|
7103 |
#endif
|
7104 |
case TARGET_NR_init_module:
|
7105 |
case TARGET_NR_delete_module:
|
7106 |
#ifdef TARGET_NR_get_kernel_syms
|
7107 |
case TARGET_NR_get_kernel_syms:
|
7108 |
#endif
|
7109 |
goto unimplemented;
|
7110 |
case TARGET_NR_quotactl:
|
7111 |
goto unimplemented;
|
7112 |
case TARGET_NR_getpgid:
|
7113 |
ret = get_errno(getpgid(arg1)); |
7114 |
break;
|
7115 |
case TARGET_NR_fchdir:
|
7116 |
ret = get_errno(fchdir(arg1)); |
7117 |
break;
|
7118 |
#ifdef TARGET_NR_bdflush /* not on x86_64 */ |
7119 |
case TARGET_NR_bdflush:
|
7120 |
goto unimplemented;
|
7121 |
#endif
|
7122 |
#ifdef TARGET_NR_sysfs
|
7123 |
case TARGET_NR_sysfs:
|
7124 |
goto unimplemented;
|
7125 |
#endif
|
7126 |
case TARGET_NR_personality:
|
7127 |
ret = get_errno(personality(arg1)); |
7128 |
break;
|
7129 |
#ifdef TARGET_NR_afs_syscall
|
7130 |
case TARGET_NR_afs_syscall:
|
7131 |
goto unimplemented;
|
7132 |
#endif
|
7133 |
#ifdef TARGET_NR__llseek /* Not on alpha */ |
7134 |
case TARGET_NR__llseek:
|
7135 |
{ |
7136 |
int64_t res; |
7137 |
#if !defined(__NR_llseek)
|
7138 |
res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
|
7139 |
if (res == -1) { |
7140 |
ret = get_errno(res); |
7141 |
} else {
|
7142 |
ret = 0;
|
7143 |
} |
7144 |
#else
|
7145 |
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
7146 |
#endif
|
7147 |
if ((ret == 0) && put_user_s64(res, arg4)) { |
7148 |
goto efault;
|
7149 |
} |
7150 |
} |
7151 |
break;
|
7152 |
#endif
|
7153 |
case TARGET_NR_getdents:
|
7154 |
#ifdef __NR_getdents
|
7155 |
#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
7156 |
{ |
7157 |
struct target_dirent *target_dirp;
|
7158 |
struct linux_dirent *dirp;
|
7159 |
abi_long count = arg3; |
7160 |
|
7161 |
dirp = malloc(count); |
7162 |
if (!dirp) {
|
7163 |
ret = -TARGET_ENOMEM; |
7164 |
goto fail;
|
7165 |
} |
7166 |
|
7167 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
7168 |
if (!is_error(ret)) {
|
7169 |
struct linux_dirent *de;
|
7170 |
struct target_dirent *tde;
|
7171 |
int len = ret;
|
7172 |
int reclen, treclen;
|
7173 |
int count1, tnamelen;
|
7174 |
|
7175 |
count1 = 0;
|
7176 |
de = dirp; |
7177 |
if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7178 |
goto efault;
|
7179 |
tde = target_dirp; |
7180 |
while (len > 0) { |
7181 |
reclen = de->d_reclen; |
7182 |
tnamelen = reclen - offsetof(struct linux_dirent, d_name);
|
7183 |
assert(tnamelen >= 0);
|
7184 |
treclen = tnamelen + offsetof(struct target_dirent, d_name);
|
7185 |
assert(count1 + treclen <= count); |
7186 |
tde->d_reclen = tswap16(treclen); |
7187 |
tde->d_ino = tswapal(de->d_ino); |
7188 |
tde->d_off = tswapal(de->d_off); |
7189 |
memcpy(tde->d_name, de->d_name, tnamelen); |
7190 |
de = (struct linux_dirent *)((char *)de + reclen); |
7191 |
len -= reclen; |
7192 |
tde = (struct target_dirent *)((char *)tde + treclen); |
7193 |
count1 += treclen; |
7194 |
} |
7195 |
ret = count1; |
7196 |
unlock_user(target_dirp, arg2, ret); |
7197 |
} |
7198 |
free(dirp); |
7199 |
} |
7200 |
#else
|
7201 |
{ |
7202 |
struct linux_dirent *dirp;
|
7203 |
abi_long count = arg3; |
7204 |
|
7205 |
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7206 |
goto efault;
|
7207 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
7208 |
if (!is_error(ret)) {
|
7209 |
struct linux_dirent *de;
|
7210 |
int len = ret;
|
7211 |
int reclen;
|
7212 |
de = dirp; |
7213 |
while (len > 0) { |
7214 |
reclen = de->d_reclen; |
7215 |
if (reclen > len)
|
7216 |
break;
|
7217 |
de->d_reclen = tswap16(reclen); |
7218 |
tswapls(&de->d_ino); |
7219 |
tswapls(&de->d_off); |
7220 |
de = (struct linux_dirent *)((char *)de + reclen); |
7221 |
len -= reclen; |
7222 |
} |
7223 |
} |
7224 |
unlock_user(dirp, arg2, ret); |
7225 |
} |
7226 |
#endif
|
7227 |
#else
|
7228 |
/* Implement getdents in terms of getdents64 */
|
7229 |
{ |
7230 |
struct linux_dirent64 *dirp;
|
7231 |
abi_long count = arg3; |
7232 |
|
7233 |
dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
|
7234 |
if (!dirp) {
|
7235 |
goto efault;
|
7236 |
} |
7237 |
ret = get_errno(sys_getdents64(arg1, dirp, count)); |
7238 |
if (!is_error(ret)) {
|
7239 |
/* Convert the dirent64 structs to target dirent. We do this
|
7240 |
* in-place, since we can guarantee that a target_dirent is no
|
7241 |
* larger than a dirent64; however this means we have to be
|
7242 |
* careful to read everything before writing in the new format.
|
7243 |
*/
|
7244 |
struct linux_dirent64 *de;
|
7245 |
struct target_dirent *tde;
|
7246 |
int len = ret;
|
7247 |
int tlen = 0; |
7248 |
|
7249 |
de = dirp; |
7250 |
tde = (struct target_dirent *)dirp;
|
7251 |
while (len > 0) { |
7252 |
int namelen, treclen;
|
7253 |
int reclen = de->d_reclen;
|
7254 |
uint64_t ino = de->d_ino; |
7255 |
int64_t off = de->d_off; |
7256 |
uint8_t type = de->d_type; |
7257 |
|
7258 |
namelen = strlen(de->d_name); |
7259 |
treclen = offsetof(struct target_dirent, d_name)
|
7260 |
+ namelen + 2;
|
7261 |
treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long));
|
7262 |
|
7263 |
memmove(tde->d_name, de->d_name, namelen + 1);
|
7264 |
tde->d_ino = tswapal(ino); |
7265 |
tde->d_off = tswapal(off); |
7266 |
tde->d_reclen = tswap16(treclen); |
7267 |
/* The target_dirent type is in what was formerly a padding
|
7268 |
* byte at the end of the structure:
|
7269 |
*/
|
7270 |
*(((char *)tde) + treclen - 1) = type; |
7271 |
|
7272 |
de = (struct linux_dirent64 *)((char *)de + reclen); |
7273 |
tde = (struct target_dirent *)((char *)tde + treclen); |
7274 |
len -= reclen; |
7275 |
tlen += treclen; |
7276 |
} |
7277 |
ret = tlen; |
7278 |
} |
7279 |
unlock_user(dirp, arg2, ret); |
7280 |
} |
7281 |
#endif
|
7282 |
break;
|
7283 |
#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
|
7284 |
case TARGET_NR_getdents64:
|
7285 |
{ |
7286 |
struct linux_dirent64 *dirp;
|
7287 |
abi_long count = arg3; |
7288 |
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7289 |
goto efault;
|
7290 |
ret = get_errno(sys_getdents64(arg1, dirp, count)); |
7291 |
if (!is_error(ret)) {
|
7292 |
struct linux_dirent64 *de;
|
7293 |
int len = ret;
|
7294 |
int reclen;
|
7295 |
de = dirp; |
7296 |
while (len > 0) { |
7297 |
reclen = de->d_reclen; |
7298 |
if (reclen > len)
|
7299 |
break;
|
7300 |
de->d_reclen = tswap16(reclen); |
7301 |
tswap64s((uint64_t *)&de->d_ino); |
7302 |
tswap64s((uint64_t *)&de->d_off); |
7303 |
de = (struct linux_dirent64 *)((char *)de + reclen); |
7304 |
len -= reclen; |
7305 |
} |
7306 |
} |
7307 |
unlock_user(dirp, arg2, ret); |
7308 |
} |
7309 |
break;
|
7310 |
#endif /* TARGET_NR_getdents64 */ |
7311 |
#if defined(TARGET_NR__newselect)
|
7312 |
case TARGET_NR__newselect:
|
7313 |
ret = do_select(arg1, arg2, arg3, arg4, arg5); |
7314 |
break;
|
7315 |
#endif
|
7316 |
#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
|
7317 |
# ifdef TARGET_NR_poll
|
7318 |
case TARGET_NR_poll:
|
7319 |
# endif
|
7320 |
# ifdef TARGET_NR_ppoll
|
7321 |
case TARGET_NR_ppoll:
|
7322 |
# endif
|
7323 |
{ |
7324 |
struct target_pollfd *target_pfd;
|
7325 |
unsigned int nfds = arg2; |
7326 |
int timeout = arg3;
|
7327 |
struct pollfd *pfd;
|
7328 |
unsigned int i; |
7329 |
|
7330 |
target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); |
7331 |
if (!target_pfd)
|
7332 |
goto efault;
|
7333 |
|
7334 |
pfd = alloca(sizeof(struct pollfd) * nfds); |
7335 |
for(i = 0; i < nfds; i++) { |
7336 |
pfd[i].fd = tswap32(target_pfd[i].fd); |
7337 |
pfd[i].events = tswap16(target_pfd[i].events); |
7338 |
} |
7339 |
|
7340 |
# ifdef TARGET_NR_ppoll
|
7341 |
if (num == TARGET_NR_ppoll) {
|
7342 |
struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
|
7343 |
target_sigset_t *target_set; |
7344 |
sigset_t _set, *set = &_set; |
7345 |
|
7346 |
if (arg3) {
|
7347 |
if (target_to_host_timespec(timeout_ts, arg3)) {
|
7348 |
unlock_user(target_pfd, arg1, 0);
|
7349 |
goto efault;
|
7350 |
} |
7351 |
} else {
|
7352 |
timeout_ts = NULL;
|
7353 |
} |
7354 |
|
7355 |
if (arg4) {
|
7356 |
target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); |
7357 |
if (!target_set) {
|
7358 |
unlock_user(target_pfd, arg1, 0);
|
7359 |
goto efault;
|
7360 |
} |
7361 |
target_to_host_sigset(set, target_set); |
7362 |
} else {
|
7363 |
set = NULL;
|
7364 |
} |
7365 |
|
7366 |
ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
|
7367 |
|
7368 |
if (!is_error(ret) && arg3) {
|
7369 |
host_to_target_timespec(arg3, timeout_ts); |
7370 |
} |
7371 |
if (arg4) {
|
7372 |
unlock_user(target_set, arg4, 0);
|
7373 |
} |
7374 |
} else
|
7375 |
# endif
|
7376 |
ret = get_errno(poll(pfd, nfds, timeout)); |
7377 |
|
7378 |
if (!is_error(ret)) {
|
7379 |
for(i = 0; i < nfds; i++) { |
7380 |
target_pfd[i].revents = tswap16(pfd[i].revents); |
7381 |
} |
7382 |
} |
7383 |
unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
7384 |
} |
7385 |
break;
|
7386 |
#endif
|
7387 |
case TARGET_NR_flock:
|
7388 |
/* NOTE: the flock constant seems to be the same for every
|
7389 |
Linux platform */
|
7390 |
ret = get_errno(flock(arg1, arg2)); |
7391 |
break;
|
7392 |
case TARGET_NR_readv:
|
7393 |
{ |
7394 |
struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
7395 |
if (vec != NULL) { |
7396 |
ret = get_errno(readv(arg1, vec, arg3)); |
7397 |
unlock_iovec(vec, arg2, arg3, 1);
|
7398 |
} else {
|
7399 |
ret = -host_to_target_errno(errno); |
7400 |
} |
7401 |
} |
7402 |
break;
|
7403 |
case TARGET_NR_writev:
|
7404 |
{ |
7405 |
struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
7406 |
if (vec != NULL) { |
7407 |
ret = get_errno(writev(arg1, vec, arg3)); |
7408 |
unlock_iovec(vec, arg2, arg3, 0);
|
7409 |
} else {
|
7410 |
ret = -host_to_target_errno(errno); |
7411 |
} |
7412 |
} |
7413 |
break;
|
7414 |
case TARGET_NR_getsid:
|
7415 |
ret = get_errno(getsid(arg1)); |
7416 |
break;
|
7417 |
#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
7418 |
case TARGET_NR_fdatasync:
|
7419 |
ret = get_errno(fdatasync(arg1)); |
7420 |
break;
|
7421 |
#endif
|
7422 |
case TARGET_NR__sysctl:
|
7423 |
/* We don't implement this, but ENOTDIR is always a safe
|
7424 |
return value. */
|
7425 |
ret = -TARGET_ENOTDIR; |
7426 |
break;
|
7427 |
case TARGET_NR_sched_getaffinity:
|
7428 |
{ |
7429 |
unsigned int mask_size; |
7430 |
unsigned long *mask; |
7431 |
|
7432 |
/*
|
7433 |
* sched_getaffinity needs multiples of ulong, so need to take
|
7434 |
* care of mismatches between target ulong and host ulong sizes.
|
7435 |
*/
|
7436 |
if (arg2 & (sizeof(abi_ulong) - 1)) { |
7437 |
ret = -TARGET_EINVAL; |
7438 |
break;
|
7439 |
} |
7440 |
mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); |
7441 |
|
7442 |
mask = alloca(mask_size); |
7443 |
ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); |
7444 |
|
7445 |
if (!is_error(ret)) {
|
7446 |
if (copy_to_user(arg3, mask, ret)) {
|
7447 |
goto efault;
|
7448 |
} |
7449 |
} |
7450 |
} |
7451 |
break;
|
7452 |
case TARGET_NR_sched_setaffinity:
|
7453 |
{ |
7454 |
unsigned int mask_size; |
7455 |
unsigned long *mask; |
7456 |
|
7457 |
/*
|
7458 |
* sched_setaffinity needs multiples of ulong, so need to take
|
7459 |
* care of mismatches between target ulong and host ulong sizes.
|
7460 |
*/
|
7461 |
if (arg2 & (sizeof(abi_ulong) - 1)) { |
7462 |
ret = -TARGET_EINVAL; |
7463 |
break;
|
7464 |
} |
7465 |
mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); |
7466 |
|
7467 |
mask = alloca(mask_size); |
7468 |
if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) { |
7469 |
goto efault;
|
7470 |
} |
7471 |
memcpy(mask, p, arg2); |
7472 |
unlock_user_struct(p, arg2, 0);
|
7473 |
|
7474 |
ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); |
7475 |
} |
7476 |
break;
|
7477 |
case TARGET_NR_sched_setparam:
|
7478 |
{ |
7479 |
struct sched_param *target_schp;
|
7480 |
struct sched_param schp;
|
7481 |
|
7482 |
if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
7483 |
goto efault;
|
7484 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
7485 |
unlock_user_struct(target_schp, arg2, 0);
|
7486 |
ret = get_errno(sched_setparam(arg1, &schp)); |
7487 |
} |
7488 |
break;
|
7489 |
case TARGET_NR_sched_getparam:
|
7490 |
{ |
7491 |
struct sched_param *target_schp;
|
7492 |
struct sched_param schp;
|
7493 |
ret = get_errno(sched_getparam(arg1, &schp)); |
7494 |
if (!is_error(ret)) {
|
7495 |
if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
7496 |
goto efault;
|
7497 |
target_schp->sched_priority = tswap32(schp.sched_priority); |
7498 |
unlock_user_struct(target_schp, arg2, 1);
|
7499 |
} |
7500 |
} |
7501 |
break;
|
7502 |
case TARGET_NR_sched_setscheduler:
|
7503 |
{ |
7504 |
struct sched_param *target_schp;
|
7505 |
struct sched_param schp;
|
7506 |
if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
7507 |
goto efault;
|
7508 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
7509 |
unlock_user_struct(target_schp, arg3, 0);
|
7510 |
ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
7511 |
} |
7512 |
break;
|
7513 |
case TARGET_NR_sched_getscheduler:
|
7514 |
ret = get_errno(sched_getscheduler(arg1)); |
7515 |
break;
|
7516 |
case TARGET_NR_sched_yield:
|
7517 |
ret = get_errno(sched_yield()); |
7518 |
break;
|
7519 |
case TARGET_NR_sched_get_priority_max:
|
7520 |
ret = get_errno(sched_get_priority_max(arg1)); |
7521 |
break;
|
7522 |
case TARGET_NR_sched_get_priority_min:
|
7523 |
ret = get_errno(sched_get_priority_min(arg1)); |
7524 |
break;
|
7525 |
case TARGET_NR_sched_rr_get_interval:
|
7526 |
{ |
7527 |
struct timespec ts;
|
7528 |
ret = get_errno(sched_rr_get_interval(arg1, &ts)); |
7529 |
if (!is_error(ret)) {
|
7530 |
host_to_target_timespec(arg2, &ts); |
7531 |
} |
7532 |
} |
7533 |
break;
|
7534 |
case TARGET_NR_nanosleep:
|
7535 |
{ |
7536 |
struct timespec req, rem;
|
7537 |
target_to_host_timespec(&req, arg1); |
7538 |
ret = get_errno(nanosleep(&req, &rem)); |
7539 |
if (is_error(ret) && arg2) {
|
7540 |
host_to_target_timespec(arg2, &rem); |
7541 |
} |
7542 |
} |
7543 |
break;
|
7544 |
#ifdef TARGET_NR_query_module
|
7545 |
case TARGET_NR_query_module:
|
7546 |
goto unimplemented;
|
7547 |
#endif
|
7548 |
#ifdef TARGET_NR_nfsservctl
|
7549 |
case TARGET_NR_nfsservctl:
|
7550 |
goto unimplemented;
|
7551 |
#endif
|
7552 |
case TARGET_NR_prctl:
|
7553 |
switch (arg1) {
|
7554 |
case PR_GET_PDEATHSIG:
|
7555 |
{ |
7556 |
int deathsig;
|
7557 |
ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); |
7558 |
if (!is_error(ret) && arg2
|
7559 |
&& put_user_ual(deathsig, arg2)) { |
7560 |
goto efault;
|
7561 |
} |
7562 |
break;
|
7563 |
} |
7564 |
#ifdef PR_GET_NAME
|
7565 |
case PR_GET_NAME:
|
7566 |
{ |
7567 |
void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); |
7568 |
if (!name) {
|
7569 |
goto efault;
|
7570 |
} |
7571 |
ret = get_errno(prctl(arg1, (unsigned long)name, |
7572 |
arg3, arg4, arg5)); |
7573 |
unlock_user(name, arg2, 16);
|
7574 |
break;
|
7575 |
} |
7576 |
case PR_SET_NAME:
|
7577 |
{ |
7578 |
void *name = lock_user(VERIFY_READ, arg2, 16, 1); |
7579 |
if (!name) {
|
7580 |
goto efault;
|
7581 |
} |
7582 |
ret = get_errno(prctl(arg1, (unsigned long)name, |
7583 |
arg3, arg4, arg5)); |
7584 |
unlock_user(name, arg2, 0);
|
7585 |
break;
|
7586 |
} |
7587 |
#endif
|
7588 |
default:
|
7589 |
/* Most prctl options have no pointer arguments */
|
7590 |
ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); |
7591 |
break;
|
7592 |
} |
7593 |
break;
|
7594 |
#ifdef TARGET_NR_arch_prctl
|
7595 |
case TARGET_NR_arch_prctl:
|
7596 |
#if defined(TARGET_I386) && !defined(TARGET_ABI32)
|
7597 |
ret = do_arch_prctl(cpu_env, arg1, arg2); |
7598 |
break;
|
7599 |
#else
|
7600 |
goto unimplemented;
|
7601 |
#endif
|
7602 |
#endif
|
7603 |
#ifdef TARGET_NR_pread64
|
7604 |
case TARGET_NR_pread64:
|
7605 |
if (regpairs_aligned(cpu_env)) {
|
7606 |
arg4 = arg5; |
7607 |
arg5 = arg6; |
7608 |
} |
7609 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
7610 |
goto efault;
|
7611 |
ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
7612 |
unlock_user(p, arg2, ret); |
7613 |
break;
|
7614 |
case TARGET_NR_pwrite64:
|
7615 |
if (regpairs_aligned(cpu_env)) {
|
7616 |
arg4 = arg5; |
7617 |
arg5 = arg6; |
7618 |
} |
7619 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
7620 |
goto efault;
|
7621 |
ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
7622 |
unlock_user(p, arg2, 0);
|
7623 |
break;
|
7624 |
#endif
|
7625 |
case TARGET_NR_getcwd:
|
7626 |
if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
7627 |
goto efault;
|
7628 |
ret = get_errno(sys_getcwd1(p, arg2)); |
7629 |
unlock_user(p, arg1, ret); |
7630 |
break;
|
7631 |
case TARGET_NR_capget:
|
7632 |
goto unimplemented;
|
7633 |
case TARGET_NR_capset:
|
7634 |
goto unimplemented;
|
7635 |
case TARGET_NR_sigaltstack:
|
7636 |
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
|
7637 |
defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \ |
7638 |
defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC) |
7639 |
ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env)); |
7640 |
break;
|
7641 |
#else
|
7642 |
goto unimplemented;
|
7643 |
#endif
|
7644 |
|
7645 |
#ifdef CONFIG_SENDFILE
|
7646 |
case TARGET_NR_sendfile:
|
7647 |
{ |
7648 |
off_t *offp = NULL;
|
7649 |
off_t off; |
7650 |
if (arg3) {
|
7651 |
ret = get_user_sal(off, arg3); |
7652 |
if (is_error(ret)) {
|
7653 |
break;
|
7654 |
} |
7655 |
offp = &off; |
7656 |
} |
7657 |
ret = get_errno(sendfile(arg1, arg2, offp, arg4)); |
7658 |
if (!is_error(ret) && arg3) {
|
7659 |
abi_long ret2 = put_user_sal(off, arg3); |
7660 |
if (is_error(ret2)) {
|
7661 |
ret = ret2; |
7662 |
} |
7663 |
} |
7664 |
break;
|
7665 |
} |
7666 |
#ifdef TARGET_NR_sendfile64
|
7667 |
case TARGET_NR_sendfile64:
|
7668 |
{ |
7669 |
off_t *offp = NULL;
|
7670 |
off_t off; |
7671 |
if (arg3) {
|
7672 |
ret = get_user_s64(off, arg3); |
7673 |
if (is_error(ret)) {
|
7674 |
break;
|
7675 |
} |
7676 |
offp = &off; |
7677 |
} |
7678 |
ret = get_errno(sendfile(arg1, arg2, offp, arg4)); |
7679 |
if (!is_error(ret) && arg3) {
|
7680 |
abi_long ret2 = put_user_s64(off, arg3); |
7681 |
if (is_error(ret2)) {
|
7682 |
ret = ret2; |
7683 |
} |
7684 |
} |
7685 |
break;
|
7686 |
} |
7687 |
#endif
|
7688 |
#else
|
7689 |
case TARGET_NR_sendfile:
|
7690 |
#ifdef TARGET_NR_sendfile64
|
7691 |
case TARGET_NR_sendfile64:
|
7692 |
#endif
|
7693 |
goto unimplemented;
|
7694 |
#endif
|
7695 |
|
7696 |
#ifdef TARGET_NR_getpmsg
|
7697 |
case TARGET_NR_getpmsg:
|
7698 |
goto unimplemented;
|
7699 |
#endif
|
7700 |
#ifdef TARGET_NR_putpmsg
|
7701 |
case TARGET_NR_putpmsg:
|
7702 |
goto unimplemented;
|
7703 |
#endif
|
7704 |
#ifdef TARGET_NR_vfork
|
7705 |
case TARGET_NR_vfork:
|
7706 |
ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, |
7707 |
0, 0, 0, 0)); |
7708 |
break;
|
7709 |
#endif
|
7710 |
#ifdef TARGET_NR_ugetrlimit
|
7711 |
case TARGET_NR_ugetrlimit:
|
7712 |
{ |
7713 |
struct rlimit rlim;
|
7714 |
int resource = target_to_host_resource(arg1);
|
7715 |
ret = get_errno(getrlimit(resource, &rlim)); |
7716 |
if (!is_error(ret)) {
|
7717 |
struct target_rlimit *target_rlim;
|
7718 |
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
7719 |
goto efault;
|
7720 |
target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
7721 |
target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); |
7722 |
unlock_user_struct(target_rlim, arg2, 1);
|
7723 |
} |
7724 |
break;
|
7725 |
} |
7726 |
#endif
|
7727 |
#ifdef TARGET_NR_truncate64
|
7728 |
case TARGET_NR_truncate64:
|
7729 |
if (!(p = lock_user_string(arg1)))
|
7730 |
goto efault;
|
7731 |
ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
7732 |
unlock_user(p, arg1, 0);
|
7733 |
break;
|
7734 |
#endif
|
7735 |
#ifdef TARGET_NR_ftruncate64
|
7736 |
case TARGET_NR_ftruncate64:
|
7737 |
ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
7738 |
break;
|
7739 |
#endif
|
7740 |
#ifdef TARGET_NR_stat64
|
7741 |
case TARGET_NR_stat64:
|
7742 |
if (!(p = lock_user_string(arg1)))
|
7743 |
goto efault;
|
7744 |
ret = get_errno(stat(path(p), &st)); |
7745 |
unlock_user(p, arg1, 0);
|
7746 |
if (!is_error(ret))
|
7747 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
7748 |
break;
|
7749 |
#endif
|
7750 |
#ifdef TARGET_NR_lstat64
|
7751 |
case TARGET_NR_lstat64:
|
7752 |
if (!(p = lock_user_string(arg1)))
|
7753 |
goto efault;
|
7754 |
ret = get_errno(lstat(path(p), &st)); |
7755 |
unlock_user(p, arg1, 0);
|
7756 |
if (!is_error(ret))
|
7757 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
7758 |
break;
|
7759 |
#endif
|
7760 |
#ifdef TARGET_NR_fstat64
|
7761 |
case TARGET_NR_fstat64:
|
7762 |
ret = get_errno(fstat(arg1, &st)); |
7763 |
if (!is_error(ret))
|
7764 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
7765 |
break;
|
7766 |
#endif
|
7767 |
#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
|
7768 |
#ifdef TARGET_NR_fstatat64
|
7769 |
case TARGET_NR_fstatat64:
|
7770 |
#endif
|
7771 |
#ifdef TARGET_NR_newfstatat
|
7772 |
case TARGET_NR_newfstatat:
|
7773 |
#endif
|
7774 |
if (!(p = lock_user_string(arg2)))
|
7775 |
goto efault;
|
7776 |
ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
7777 |
if (!is_error(ret))
|
7778 |
ret = host_to_target_stat64(cpu_env, arg3, &st); |
7779 |
break;
|
7780 |
#endif
|
7781 |
case TARGET_NR_lchown:
|
7782 |
if (!(p = lock_user_string(arg1)))
|
7783 |
goto efault;
|
7784 |
ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
7785 |
unlock_user(p, arg1, 0);
|
7786 |
break;
|
7787 |
#ifdef TARGET_NR_getuid
|
7788 |
case TARGET_NR_getuid:
|
7789 |
ret = get_errno(high2lowuid(getuid())); |
7790 |
break;
|
7791 |
#endif
|
7792 |
#ifdef TARGET_NR_getgid
|
7793 |
case TARGET_NR_getgid:
|
7794 |
ret = get_errno(high2lowgid(getgid())); |
7795 |
break;
|
7796 |
#endif
|
7797 |
#ifdef TARGET_NR_geteuid
|
7798 |
case TARGET_NR_geteuid:
|
7799 |
ret = get_errno(high2lowuid(geteuid())); |
7800 |
break;
|
7801 |
#endif
|
7802 |
#ifdef TARGET_NR_getegid
|
7803 |
case TARGET_NR_getegid:
|
7804 |
ret = get_errno(high2lowgid(getegid())); |
7805 |
break;
|
7806 |
#endif
|
7807 |
case TARGET_NR_setreuid:
|
7808 |
ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
7809 |
break;
|
7810 |
case TARGET_NR_setregid:
|
7811 |
ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
7812 |
break;
|
7813 |
case TARGET_NR_getgroups:
|
7814 |
{ |
7815 |
int gidsetsize = arg1;
|
7816 |
target_id *target_grouplist; |
7817 |
gid_t *grouplist; |
7818 |
int i;
|
7819 |
|
7820 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
7821 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
7822 |
if (gidsetsize == 0) |
7823 |
break;
|
7824 |
if (!is_error(ret)) {
|
7825 |
target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); |
7826 |
if (!target_grouplist)
|
7827 |
goto efault;
|
7828 |
for(i = 0;i < ret; i++) |
7829 |
target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
7830 |
unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
|
7831 |
} |
7832 |
} |
7833 |
break;
|
7834 |
case TARGET_NR_setgroups:
|
7835 |
{ |
7836 |
int gidsetsize = arg1;
|
7837 |
target_id *target_grouplist; |
7838 |
gid_t *grouplist = NULL;
|
7839 |
int i;
|
7840 |
if (gidsetsize) {
|
7841 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
7842 |
target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); |
7843 |
if (!target_grouplist) {
|
7844 |
ret = -TARGET_EFAULT; |
7845 |
goto fail;
|
7846 |
} |
7847 |
for (i = 0; i < gidsetsize; i++) { |
7848 |
grouplist[i] = low2highgid(tswapid(target_grouplist[i])); |
7849 |
} |
7850 |
unlock_user(target_grouplist, arg2, 0);
|
7851 |
} |
7852 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
7853 |
} |
7854 |
break;
|
7855 |
case TARGET_NR_fchown:
|
7856 |
ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
7857 |
break;
|
7858 |
#if defined(TARGET_NR_fchownat)
|
7859 |
case TARGET_NR_fchownat:
|
7860 |
if (!(p = lock_user_string(arg2)))
|
7861 |
goto efault;
|
7862 |
ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
7863 |
low2highgid(arg4), arg5)); |
7864 |
unlock_user(p, arg2, 0);
|
7865 |
break;
|
7866 |
#endif
|
7867 |
#ifdef TARGET_NR_setresuid
|
7868 |
case TARGET_NR_setresuid:
|
7869 |
ret = get_errno(setresuid(low2highuid(arg1), |
7870 |
low2highuid(arg2), |
7871 |
low2highuid(arg3))); |
7872 |
break;
|
7873 |
#endif
|
7874 |
#ifdef TARGET_NR_getresuid
|
7875 |
case TARGET_NR_getresuid:
|
7876 |
{ |
7877 |
uid_t ruid, euid, suid; |
7878 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
7879 |
if (!is_error(ret)) {
|
7880 |
if (put_user_id(high2lowuid(ruid), arg1)
|
7881 |
|| put_user_id(high2lowuid(euid), arg2) |
7882 |
|| put_user_id(high2lowuid(suid), arg3)) |
7883 |
goto efault;
|
7884 |
} |
7885 |
} |
7886 |
break;
|
7887 |
#endif
|
7888 |
#ifdef TARGET_NR_getresgid
|
7889 |
case TARGET_NR_setresgid:
|
7890 |
ret = get_errno(setresgid(low2highgid(arg1), |
7891 |
low2highgid(arg2), |
7892 |
low2highgid(arg3))); |
7893 |
break;
|
7894 |
#endif
|
7895 |
#ifdef TARGET_NR_getresgid
|
7896 |
case TARGET_NR_getresgid:
|
7897 |
{ |
7898 |
gid_t rgid, egid, sgid; |
7899 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
7900 |
if (!is_error(ret)) {
|
7901 |
if (put_user_id(high2lowgid(rgid), arg1)
|
7902 |
|| put_user_id(high2lowgid(egid), arg2) |
7903 |
|| put_user_id(high2lowgid(sgid), arg3)) |
7904 |
goto efault;
|
7905 |
} |
7906 |
} |
7907 |
break;
|
7908 |
#endif
|
7909 |
case TARGET_NR_chown:
|
7910 |
if (!(p = lock_user_string(arg1)))
|
7911 |
goto efault;
|
7912 |
ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
7913 |
unlock_user(p, arg1, 0);
|
7914 |
break;
|
7915 |
case TARGET_NR_setuid:
|
7916 |
ret = get_errno(setuid(low2highuid(arg1))); |
7917 |
break;
|
7918 |
case TARGET_NR_setgid:
|
7919 |
ret = get_errno(setgid(low2highgid(arg1))); |
7920 |
break;
|
7921 |
case TARGET_NR_setfsuid:
|
7922 |
ret = get_errno(setfsuid(arg1)); |
7923 |
break;
|
7924 |
case TARGET_NR_setfsgid:
|
7925 |
ret = get_errno(setfsgid(arg1)); |
7926 |
break;
|
7927 |
|
7928 |
#ifdef TARGET_NR_lchown32
|
7929 |
case TARGET_NR_lchown32:
|
7930 |
if (!(p = lock_user_string(arg1)))
|
7931 |
goto efault;
|
7932 |
ret = get_errno(lchown(p, arg2, arg3)); |
7933 |
unlock_user(p, arg1, 0);
|
7934 |
break;
|
7935 |
#endif
|
7936 |
#ifdef TARGET_NR_getuid32
|
7937 |
case TARGET_NR_getuid32:
|
7938 |
ret = get_errno(getuid()); |
7939 |
break;
|
7940 |
#endif
|
7941 |
|
7942 |
#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
|
7943 |
/* Alpha specific */
|
7944 |
case TARGET_NR_getxuid:
|
7945 |
{ |
7946 |
uid_t euid; |
7947 |
euid=geteuid(); |
7948 |
((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; |
7949 |
} |
7950 |
ret = get_errno(getuid()); |
7951 |
break;
|
7952 |
#endif
|
7953 |
#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
|
7954 |
/* Alpha specific */
|
7955 |
case TARGET_NR_getxgid:
|
7956 |
{ |
7957 |
uid_t egid; |
7958 |
egid=getegid(); |
7959 |
((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; |
7960 |
} |
7961 |
ret = get_errno(getgid()); |
7962 |
break;
|
7963 |
#endif
|
7964 |
#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
|
7965 |
/* Alpha specific */
|
7966 |
case TARGET_NR_osf_getsysinfo:
|
7967 |
ret = -TARGET_EOPNOTSUPP; |
7968 |
switch (arg1) {
|
7969 |
case TARGET_GSI_IEEE_FP_CONTROL:
|
7970 |
{ |
7971 |
uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env); |
7972 |
|
7973 |
/* Copied from linux ieee_fpcr_to_swcr. */
|
7974 |
swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
|
7975 |
swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
|
7976 |
swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
|
7977 |
| SWCR_TRAP_ENABLE_DZE |
7978 |
| SWCR_TRAP_ENABLE_OVF); |
7979 |
swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
|
7980 |
| SWCR_TRAP_ENABLE_INE); |
7981 |
swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
|
7982 |
swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
|
7983 |
|
7984 |
if (put_user_u64 (swcr, arg2))
|
7985 |
goto efault;
|
7986 |
ret = 0;
|
7987 |
} |
7988 |
break;
|
7989 |
|
7990 |
/* case GSI_IEEE_STATE_AT_SIGNAL:
|
7991 |
-- Not implemented in linux kernel.
|
7992 |
case GSI_UACPROC:
|
7993 |
-- Retrieves current unaligned access state; not much used.
|
7994 |
case GSI_PROC_TYPE:
|
7995 |
-- Retrieves implver information; surely not used.
|
7996 |
case GSI_GET_HWRPB:
|
7997 |
-- Grabs a copy of the HWRPB; surely not used.
|
7998 |
*/
|
7999 |
} |
8000 |
break;
|
8001 |
#endif
|
8002 |
#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
|
8003 |
/* Alpha specific */
|
8004 |
case TARGET_NR_osf_setsysinfo:
|
8005 |
ret = -TARGET_EOPNOTSUPP; |
8006 |
switch (arg1) {
|
8007 |
case TARGET_SSI_IEEE_FP_CONTROL:
|
8008 |
{ |
8009 |
uint64_t swcr, fpcr, orig_fpcr; |
8010 |
|
8011 |
if (get_user_u64 (swcr, arg2)) {
|
8012 |
goto efault;
|
8013 |
} |
8014 |
orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
8015 |
fpcr = orig_fpcr & FPCR_DYN_MASK; |
8016 |
|
8017 |
/* Copied from linux ieee_swcr_to_fpcr. */
|
8018 |
fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
|
8019 |
fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
|
8020 |
fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV |
8021 |
| SWCR_TRAP_ENABLE_DZE |
8022 |
| SWCR_TRAP_ENABLE_OVF)) << 48;
|
8023 |
fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF |
8024 |
| SWCR_TRAP_ENABLE_INE)) << 57;
|
8025 |
fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
|
8026 |
fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
|
8027 |
|
8028 |
cpu_alpha_store_fpcr(cpu_env, fpcr); |
8029 |
ret = 0;
|
8030 |
} |
8031 |
break;
|
8032 |
|
8033 |
case TARGET_SSI_IEEE_RAISE_EXCEPTION:
|
8034 |
{ |
8035 |
uint64_t exc, fpcr, orig_fpcr; |
8036 |
int si_code;
|
8037 |
|
8038 |
if (get_user_u64(exc, arg2)) {
|
8039 |
goto efault;
|
8040 |
} |
8041 |
|
8042 |
orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
8043 |
|
8044 |
/* We only add to the exception status here. */
|
8045 |
fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
|
8046 |
|
8047 |
cpu_alpha_store_fpcr(cpu_env, fpcr); |
8048 |
ret = 0;
|
8049 |
|
8050 |
/* Old exceptions are not signaled. */
|
8051 |
fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK); |
8052 |
|
8053 |
/* If any exceptions set by this call,
|
8054 |
and are unmasked, send a signal. */
|
8055 |
si_code = 0;
|
8056 |
if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
|
8057 |
si_code = TARGET_FPE_FLTRES; |
8058 |
} |
8059 |
if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
|
8060 |
si_code = TARGET_FPE_FLTUND; |
8061 |
} |
8062 |
if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
|
8063 |
si_code = TARGET_FPE_FLTOVF; |
8064 |
} |
8065 |
if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
|
8066 |
si_code = TARGET_FPE_FLTDIV; |
8067 |
} |
8068 |
if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
|
8069 |
si_code = TARGET_FPE_FLTINV; |
8070 |
} |
8071 |
if (si_code != 0) { |
8072 |
target_siginfo_t info; |
8073 |
info.si_signo = SIGFPE; |
8074 |
info.si_errno = 0;
|
8075 |
info.si_code = si_code; |
8076 |
info._sifields._sigfault._addr |
8077 |
= ((CPUArchState *)cpu_env)->pc; |
8078 |
queue_signal((CPUArchState *)cpu_env, info.si_signo, &info); |
8079 |
} |
8080 |
} |
8081 |
break;
|
8082 |
|
8083 |
/* case SSI_NVPAIRS:
|
8084 |
-- Used with SSIN_UACPROC to enable unaligned accesses.
|
8085 |
case SSI_IEEE_STATE_AT_SIGNAL:
|
8086 |
case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
|
8087 |
-- Not implemented in linux kernel
|
8088 |
*/
|
8089 |
} |
8090 |
break;
|
8091 |
#endif
|
8092 |
#ifdef TARGET_NR_osf_sigprocmask
|
8093 |
/* Alpha specific. */
|
8094 |
case TARGET_NR_osf_sigprocmask:
|
8095 |
{ |
8096 |
abi_ulong mask; |
8097 |
int how;
|
8098 |
sigset_t set, oldset; |
8099 |
|
8100 |
switch(arg1) {
|
8101 |
case TARGET_SIG_BLOCK:
|
8102 |
how = SIG_BLOCK; |
8103 |
break;
|
8104 |
case TARGET_SIG_UNBLOCK:
|
8105 |
how = SIG_UNBLOCK; |
8106 |
break;
|
8107 |
case TARGET_SIG_SETMASK:
|
8108 |
how = SIG_SETMASK; |
8109 |
break;
|
8110 |
default:
|
8111 |
ret = -TARGET_EINVAL; |
8112 |
goto fail;
|
8113 |
} |
8114 |
mask = arg2; |
8115 |
target_to_host_old_sigset(&set, &mask); |
8116 |
sigprocmask(how, &set, &oldset); |
8117 |
host_to_target_old_sigset(&mask, &oldset); |
8118 |
ret = mask; |
8119 |
} |
8120 |
break;
|
8121 |
#endif
|
8122 |
|
8123 |
#ifdef TARGET_NR_getgid32
|
8124 |
case TARGET_NR_getgid32:
|
8125 |
ret = get_errno(getgid()); |
8126 |
break;
|
8127 |
#endif
|
8128 |
#ifdef TARGET_NR_geteuid32
|
8129 |
case TARGET_NR_geteuid32:
|
8130 |
ret = get_errno(geteuid()); |
8131 |
break;
|
8132 |
#endif
|
8133 |
#ifdef TARGET_NR_getegid32
|
8134 |
case TARGET_NR_getegid32:
|
8135 |
ret = get_errno(getegid()); |
8136 |
break;
|
8137 |
#endif
|
8138 |
#ifdef TARGET_NR_setreuid32
|
8139 |
case TARGET_NR_setreuid32:
|
8140 |
ret = get_errno(setreuid(arg1, arg2)); |
8141 |
break;
|
8142 |
#endif
|
8143 |
#ifdef TARGET_NR_setregid32
|
8144 |
case TARGET_NR_setregid32:
|
8145 |
ret = get_errno(setregid(arg1, arg2)); |
8146 |
break;
|
8147 |
#endif
|
8148 |
#ifdef TARGET_NR_getgroups32
|
8149 |
case TARGET_NR_getgroups32:
|
8150 |
{ |
8151 |
int gidsetsize = arg1;
|
8152 |
uint32_t *target_grouplist; |
8153 |
gid_t *grouplist; |
8154 |
int i;
|
8155 |
|
8156 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
8157 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
8158 |
if (gidsetsize == 0) |
8159 |
break;
|
8160 |
if (!is_error(ret)) {
|
8161 |
target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
8162 |
if (!target_grouplist) {
|
8163 |
ret = -TARGET_EFAULT; |
8164 |
goto fail;
|
8165 |
} |
8166 |
for(i = 0;i < ret; i++) |
8167 |
target_grouplist[i] = tswap32(grouplist[i]); |
8168 |
unlock_user(target_grouplist, arg2, gidsetsize * 4);
|
8169 |
} |
8170 |
} |
8171 |
break;
|
8172 |
#endif
|
8173 |
#ifdef TARGET_NR_setgroups32
|
8174 |
case TARGET_NR_setgroups32:
|
8175 |
{ |
8176 |
int gidsetsize = arg1;
|
8177 |
uint32_t *target_grouplist; |
8178 |
gid_t *grouplist; |
8179 |
int i;
|
8180 |
|
8181 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
8182 |
target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
8183 |
if (!target_grouplist) {
|
8184 |
ret = -TARGET_EFAULT; |
8185 |
goto fail;
|
8186 |
} |
8187 |
for(i = 0;i < gidsetsize; i++) |
8188 |
grouplist[i] = tswap32(target_grouplist[i]); |
8189 |
unlock_user(target_grouplist, arg2, 0);
|
8190 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
8191 |
} |
8192 |
break;
|
8193 |
#endif
|
8194 |
#ifdef TARGET_NR_fchown32
|
8195 |
case TARGET_NR_fchown32:
|
8196 |
ret = get_errno(fchown(arg1, arg2, arg3)); |
8197 |
break;
|
8198 |
#endif
|
8199 |
#ifdef TARGET_NR_setresuid32
|
8200 |
case TARGET_NR_setresuid32:
|
8201 |
ret = get_errno(setresuid(arg1, arg2, arg3)); |
8202 |
break;
|
8203 |
#endif
|
8204 |
#ifdef TARGET_NR_getresuid32
|
8205 |
case TARGET_NR_getresuid32:
|
8206 |
{ |
8207 |
uid_t ruid, euid, suid; |
8208 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
8209 |
if (!is_error(ret)) {
|
8210 |
if (put_user_u32(ruid, arg1)
|
8211 |
|| put_user_u32(euid, arg2) |
8212 |
|| put_user_u32(suid, arg3)) |
8213 |
goto efault;
|
8214 |
} |
8215 |
} |
8216 |
break;
|
8217 |
#endif
|
8218 |
#ifdef TARGET_NR_setresgid32
|
8219 |
case TARGET_NR_setresgid32:
|
8220 |
ret = get_errno(setresgid(arg1, arg2, arg3)); |
8221 |
break;
|
8222 |
#endif
|
8223 |
#ifdef TARGET_NR_getresgid32
|
8224 |
case TARGET_NR_getresgid32:
|
8225 |
{ |
8226 |
gid_t rgid, egid, sgid; |
8227 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
8228 |
if (!is_error(ret)) {
|
8229 |
if (put_user_u32(rgid, arg1)
|
8230 |
|| put_user_u32(egid, arg2) |
8231 |
|| put_user_u32(sgid, arg3)) |
8232 |
goto efault;
|
8233 |
} |
8234 |
} |
8235 |
break;
|
8236 |
#endif
|
8237 |
#ifdef TARGET_NR_chown32
|
8238 |
case TARGET_NR_chown32:
|
8239 |
if (!(p = lock_user_string(arg1)))
|
8240 |
goto efault;
|
8241 |
ret = get_errno(chown(p, arg2, arg3)); |
8242 |
unlock_user(p, arg1, 0);
|
8243 |
break;
|
8244 |
#endif
|
8245 |
#ifdef TARGET_NR_setuid32
|
8246 |
case TARGET_NR_setuid32:
|
8247 |
ret = get_errno(setuid(arg1)); |
8248 |
break;
|
8249 |
#endif
|
8250 |
#ifdef TARGET_NR_setgid32
|
8251 |
case TARGET_NR_setgid32:
|
8252 |
ret = get_errno(setgid(arg1)); |
8253 |
break;
|
8254 |
#endif
|
8255 |
#ifdef TARGET_NR_setfsuid32
|
8256 |
case TARGET_NR_setfsuid32:
|
8257 |
ret = get_errno(setfsuid(arg1)); |
8258 |
break;
|
8259 |
#endif
|
8260 |
#ifdef TARGET_NR_setfsgid32
|
8261 |
case TARGET_NR_setfsgid32:
|
8262 |
ret = get_errno(setfsgid(arg1)); |
8263 |
break;
|
8264 |
#endif
|
8265 |
|
8266 |
case TARGET_NR_pivot_root:
|
8267 |
goto unimplemented;
|
8268 |
#ifdef TARGET_NR_mincore
|
8269 |
case TARGET_NR_mincore:
|
8270 |
{ |
8271 |
void *a;
|
8272 |
ret = -TARGET_EFAULT; |
8273 |
if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0))) |
8274 |
goto efault;
|
8275 |
if (!(p = lock_user_string(arg3)))
|
8276 |
goto mincore_fail;
|
8277 |
ret = get_errno(mincore(a, arg2, p)); |
8278 |
unlock_user(p, arg3, ret); |
8279 |
mincore_fail:
|
8280 |
unlock_user(a, arg1, 0);
|
8281 |
} |
8282 |
break;
|
8283 |
#endif
|
8284 |
#ifdef TARGET_NR_arm_fadvise64_64
|
8285 |
case TARGET_NR_arm_fadvise64_64:
|
8286 |
{ |
8287 |
/*
|
8288 |
* arm_fadvise64_64 looks like fadvise64_64 but
|
8289 |
* with different argument order
|
8290 |
*/
|
8291 |
abi_long temp; |
8292 |
temp = arg3; |
8293 |
arg3 = arg4; |
8294 |
arg4 = temp; |
8295 |
} |
8296 |
#endif
|
8297 |
#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
|
8298 |
#ifdef TARGET_NR_fadvise64_64
|
8299 |
case TARGET_NR_fadvise64_64:
|
8300 |
#endif
|
8301 |
#ifdef TARGET_NR_fadvise64
|
8302 |
case TARGET_NR_fadvise64:
|
8303 |
#endif
|
8304 |
#ifdef TARGET_S390X
|
8305 |
switch (arg4) {
|
8306 |
case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ |
8307 |
case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ |
8308 |
case 6: arg4 = POSIX_FADV_DONTNEED; break; |
8309 |
case 7: arg4 = POSIX_FADV_NOREUSE; break; |
8310 |
default: break; |
8311 |
} |
8312 |
#endif
|
8313 |
ret = -posix_fadvise(arg1, arg2, arg3, arg4); |
8314 |
break;
|
8315 |
#endif
|
8316 |
#ifdef TARGET_NR_madvise
|
8317 |
case TARGET_NR_madvise:
|
8318 |
/* A straight passthrough may not be safe because qemu sometimes
|
8319 |
turns private file-backed mappings into anonymous mappings.
|
8320 |
This will break MADV_DONTNEED.
|
8321 |
This is a hint, so ignoring and returning success is ok. */
|
8322 |
ret = get_errno(0);
|
8323 |
break;
|
8324 |
#endif
|
8325 |
#if TARGET_ABI_BITS == 32 |
8326 |
case TARGET_NR_fcntl64:
|
8327 |
{ |
8328 |
int cmd;
|
8329 |
struct flock64 fl;
|
8330 |
struct target_flock64 *target_fl;
|
8331 |
#ifdef TARGET_ARM
|
8332 |
struct target_eabi_flock64 *target_efl;
|
8333 |
#endif
|
8334 |
|
8335 |
cmd = target_to_host_fcntl_cmd(arg2); |
8336 |
if (cmd == -TARGET_EINVAL) {
|
8337 |
ret = cmd; |
8338 |
break;
|
8339 |
} |
8340 |
|
8341 |
switch(arg2) {
|
8342 |
case TARGET_F_GETLK64:
|
8343 |
#ifdef TARGET_ARM
|
8344 |
if (((CPUARMState *)cpu_env)->eabi) {
|
8345 |
if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
8346 |
goto efault;
|
8347 |
fl.l_type = tswap16(target_efl->l_type); |
8348 |
fl.l_whence = tswap16(target_efl->l_whence); |
8349 |
fl.l_start = tswap64(target_efl->l_start); |
8350 |
fl.l_len = tswap64(target_efl->l_len); |
8351 |
fl.l_pid = tswap32(target_efl->l_pid); |
8352 |
unlock_user_struct(target_efl, arg3, 0);
|
8353 |
} else
|
8354 |
#endif
|
8355 |
{ |
8356 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
8357 |
goto efault;
|
8358 |
fl.l_type = tswap16(target_fl->l_type); |
8359 |
fl.l_whence = tswap16(target_fl->l_whence); |
8360 |
fl.l_start = tswap64(target_fl->l_start); |
8361 |
fl.l_len = tswap64(target_fl->l_len); |
8362 |
fl.l_pid = tswap32(target_fl->l_pid); |
8363 |
unlock_user_struct(target_fl, arg3, 0);
|
8364 |
} |
8365 |
ret = get_errno(fcntl(arg1, cmd, &fl)); |
8366 |
if (ret == 0) { |
8367 |
#ifdef TARGET_ARM
|
8368 |
if (((CPUARMState *)cpu_env)->eabi) {
|
8369 |
if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) |
8370 |
goto efault;
|
8371 |
target_efl->l_type = tswap16(fl.l_type); |
8372 |
target_efl->l_whence = tswap16(fl.l_whence); |
8373 |
target_efl->l_start = tswap64(fl.l_start); |
8374 |
target_efl->l_len = tswap64(fl.l_len); |
8375 |
target_efl->l_pid = tswap32(fl.l_pid); |
8376 |
unlock_user_struct(target_efl, arg3, 1);
|
8377 |
} else
|
8378 |
#endif
|
8379 |
{ |
8380 |
if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) |
8381 |
goto efault;
|
8382 |
target_fl->l_type = tswap16(fl.l_type); |
8383 |
target_fl->l_whence = tswap16(fl.l_whence); |
8384 |
target_fl->l_start = tswap64(fl.l_start); |
8385 |
target_fl->l_len = tswap64(fl.l_len); |
8386 |
target_fl->l_pid = tswap32(fl.l_pid); |
8387 |
unlock_user_struct(target_fl, arg3, 1);
|
8388 |
} |
8389 |
} |
8390 |
break;
|
8391 |
|
8392 |
case TARGET_F_SETLK64:
|
8393 |
case TARGET_F_SETLKW64:
|
8394 |
#ifdef TARGET_ARM
|
8395 |
if (((CPUARMState *)cpu_env)->eabi) {
|
8396 |
if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
8397 |
goto efault;
|
8398 |
fl.l_type = tswap16(target_efl->l_type); |
8399 |
fl.l_whence = tswap16(target_efl->l_whence); |
8400 |
fl.l_start = tswap64(target_efl->l_start); |
8401 |
fl.l_len = tswap64(target_efl->l_len); |
8402 |
fl.l_pid = tswap32(target_efl->l_pid); |
8403 |
unlock_user_struct(target_efl, arg3, 0);
|
8404 |
} else
|
8405 |
#endif
|
8406 |
{ |
8407 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
8408 |
goto efault;
|
8409 |
fl.l_type = tswap16(target_fl->l_type); |
8410 |
fl.l_whence = tswap16(target_fl->l_whence); |
8411 |
fl.l_start = tswap64(target_fl->l_start); |
8412 |
fl.l_len = tswap64(target_fl->l_len); |
8413 |
fl.l_pid = tswap32(target_fl->l_pid); |
8414 |
unlock_user_struct(target_fl, arg3, 0);
|
8415 |
} |
8416 |
ret = get_errno(fcntl(arg1, cmd, &fl)); |
8417 |
break;
|
8418 |
default:
|
8419 |
ret = do_fcntl(arg1, arg2, arg3); |
8420 |
break;
|
8421 |
} |
8422 |
break;
|
8423 |
} |
8424 |
#endif
|
8425 |
#ifdef TARGET_NR_cacheflush
|
8426 |
case TARGET_NR_cacheflush:
|
8427 |
/* self-modifying code is handled automatically, so nothing needed */
|
8428 |
ret = 0;
|
8429 |
break;
|
8430 |
#endif
|
8431 |
#ifdef TARGET_NR_security
|
8432 |
case TARGET_NR_security:
|
8433 |
goto unimplemented;
|
8434 |
#endif
|
8435 |
#ifdef TARGET_NR_getpagesize
|
8436 |
case TARGET_NR_getpagesize:
|
8437 |
ret = TARGET_PAGE_SIZE; |
8438 |
break;
|
8439 |
#endif
|
8440 |
case TARGET_NR_gettid:
|
8441 |
ret = get_errno(gettid()); |
8442 |
break;
|
8443 |
#ifdef TARGET_NR_readahead
|
8444 |
case TARGET_NR_readahead:
|
8445 |
#if TARGET_ABI_BITS == 32 |
8446 |
if (regpairs_aligned(cpu_env)) {
|
8447 |
arg2 = arg3; |
8448 |
arg3 = arg4; |
8449 |
arg4 = arg5; |
8450 |
} |
8451 |
ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
|
8452 |
#else
|
8453 |
ret = get_errno(readahead(arg1, arg2, arg3)); |
8454 |
#endif
|
8455 |
break;
|
8456 |
#endif
|
8457 |
#ifdef CONFIG_ATTR
|
8458 |
#ifdef TARGET_NR_setxattr
|
8459 |
case TARGET_NR_listxattr:
|
8460 |
case TARGET_NR_llistxattr:
|
8461 |
{ |
8462 |
void *p, *b = 0; |
8463 |
if (arg2) {
|
8464 |
b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
|
8465 |
if (!b) {
|
8466 |
ret = -TARGET_EFAULT; |
8467 |
break;
|
8468 |
} |
8469 |
} |
8470 |
p = lock_user_string(arg1); |
8471 |
if (p) {
|
8472 |
if (num == TARGET_NR_listxattr) {
|
8473 |
ret = get_errno(listxattr(p, b, arg3)); |
8474 |
} else {
|
8475 |
ret = get_errno(llistxattr(p, b, arg3)); |
8476 |
} |
8477 |
} else {
|
8478 |
ret = -TARGET_EFAULT; |
8479 |
} |
8480 |
unlock_user(p, arg1, 0);
|
8481 |
unlock_user(b, arg2, arg3); |
8482 |
break;
|
8483 |
} |
8484 |
case TARGET_NR_flistxattr:
|
8485 |
{ |
8486 |
void *b = 0; |
8487 |
if (arg2) {
|
8488 |
b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
|
8489 |
if (!b) {
|
8490 |
ret = -TARGET_EFAULT; |
8491 |
break;
|
8492 |
} |
8493 |
} |
8494 |
ret = get_errno(flistxattr(arg1, b, arg3)); |
8495 |
unlock_user(b, arg2, arg3); |
8496 |
break;
|
8497 |
} |
8498 |
case TARGET_NR_setxattr:
|
8499 |
case TARGET_NR_lsetxattr:
|
8500 |
{ |
8501 |
void *p, *n, *v = 0; |
8502 |
if (arg3) {
|
8503 |
v = lock_user(VERIFY_READ, arg3, arg4, 1);
|
8504 |
if (!v) {
|
8505 |
ret = -TARGET_EFAULT; |
8506 |
break;
|
8507 |
} |
8508 |
} |
8509 |
p = lock_user_string(arg1); |
8510 |
n = lock_user_string(arg2); |
8511 |
if (p && n) {
|
8512 |
if (num == TARGET_NR_setxattr) {
|
8513 |
ret = get_errno(setxattr(p, n, v, arg4, arg5)); |
8514 |
} else {
|
8515 |
ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); |
8516 |
} |
8517 |
} else {
|
8518 |
ret = -TARGET_EFAULT; |
8519 |
} |
8520 |
unlock_user(p, arg1, 0);
|
8521 |
unlock_user(n, arg2, 0);
|
8522 |
unlock_user(v, arg3, 0);
|
8523 |
} |
8524 |
break;
|
8525 |
case TARGET_NR_fsetxattr:
|
8526 |
{ |
8527 |
void *n, *v = 0; |
8528 |
if (arg3) {
|
8529 |
v = lock_user(VERIFY_READ, arg3, arg4, 1);
|
8530 |
if (!v) {
|
8531 |
ret = -TARGET_EFAULT; |
8532 |
break;
|
8533 |
} |
8534 |
} |
8535 |
n = lock_user_string(arg2); |
8536 |
if (n) {
|
8537 |
ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); |
8538 |
} else {
|
8539 |
ret = -TARGET_EFAULT; |
8540 |
} |
8541 |
unlock_user(n, arg2, 0);
|
8542 |
unlock_user(v, arg3, 0);
|
8543 |
} |
8544 |
break;
|
8545 |
case TARGET_NR_getxattr:
|
8546 |
case TARGET_NR_lgetxattr:
|
8547 |
{ |
8548 |
void *p, *n, *v = 0; |
8549 |
if (arg3) {
|
8550 |
v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
|
8551 |
if (!v) {
|
8552 |
ret = -TARGET_EFAULT; |
8553 |
break;
|
8554 |
} |
8555 |
} |
8556 |
p = lock_user_string(arg1); |
8557 |
n = lock_user_string(arg2); |
8558 |
if (p && n) {
|
8559 |
if (num == TARGET_NR_getxattr) {
|
8560 |
ret = get_errno(getxattr(p, n, v, arg4)); |
8561 |
} else {
|
8562 |
ret = get_errno(lgetxattr(p, n, v, arg4)); |
8563 |
} |
8564 |
} else {
|
8565 |
ret = -TARGET_EFAULT; |
8566 |
} |
8567 |
unlock_user(p, arg1, 0);
|
8568 |
unlock_user(n, arg2, 0);
|
8569 |
unlock_user(v, arg3, arg4); |
8570 |
} |
8571 |
break;
|
8572 |
case TARGET_NR_fgetxattr:
|
8573 |
{ |
8574 |
void *n, *v = 0; |
8575 |
if (arg3) {
|
8576 |
v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
|
8577 |
if (!v) {
|
8578 |
ret = -TARGET_EFAULT; |
8579 |
break;
|
8580 |
} |
8581 |
} |
8582 |
n = lock_user_string(arg2); |
8583 |
if (n) {
|
8584 |
ret = get_errno(fgetxattr(arg1, n, v, arg4)); |
8585 |
} else {
|
8586 |
ret = -TARGET_EFAULT; |
8587 |
} |
8588 |
unlock_user(n, arg2, 0);
|
8589 |
unlock_user(v, arg3, arg4); |
8590 |
} |
8591 |
break;
|
8592 |
case TARGET_NR_removexattr:
|
8593 |
case TARGET_NR_lremovexattr:
|
8594 |
{ |
8595 |
void *p, *n;
|
8596 |
p = lock_user_string(arg1); |
8597 |
n = lock_user_string(arg2); |
8598 |
if (p && n) {
|
8599 |
if (num == TARGET_NR_removexattr) {
|
8600 |
ret = get_errno(removexattr(p, n)); |
8601 |
} else {
|
8602 |
ret = get_errno(lremovexattr(p, n)); |
8603 |
} |
8604 |
} else {
|
8605 |
ret = -TARGET_EFAULT; |
8606 |
} |
8607 |
unlock_user(p, arg1, 0);
|
8608 |
unlock_user(n, arg2, 0);
|
8609 |
} |
8610 |
break;
|
8611 |
case TARGET_NR_fremovexattr:
|
8612 |
{ |
8613 |
void *n;
|
8614 |
n = lock_user_string(arg2); |
8615 |
if (n) {
|
8616 |
ret = get_errno(fremovexattr(arg1, n)); |
8617 |
} else {
|
8618 |
ret = -TARGET_EFAULT; |
8619 |
} |
8620 |
unlock_user(n, arg2, 0);
|
8621 |
} |
8622 |
break;
|
8623 |
#endif
|
8624 |
#endif /* CONFIG_ATTR */ |
8625 |
#ifdef TARGET_NR_set_thread_area
|
8626 |
case TARGET_NR_set_thread_area:
|
8627 |
#if defined(TARGET_MIPS)
|
8628 |
((CPUMIPSState *) cpu_env)->tls_value = arg1; |
8629 |
ret = 0;
|
8630 |
break;
|
8631 |
#elif defined(TARGET_CRIS)
|
8632 |
if (arg1 & 0xff) |
8633 |
ret = -TARGET_EINVAL; |
8634 |
else {
|
8635 |
((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; |
8636 |
ret = 0;
|
8637 |
} |
8638 |
break;
|
8639 |
#elif defined(TARGET_I386) && defined(TARGET_ABI32)
|
8640 |
ret = do_set_thread_area(cpu_env, arg1); |
8641 |
break;
|
8642 |
#elif defined(TARGET_M68K)
|
8643 |
{ |
8644 |
TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
8645 |
ts->tp_value = arg1; |
8646 |
ret = 0;
|
8647 |
break;
|
8648 |
} |
8649 |
#else
|
8650 |
goto unimplemented_nowarn;
|
8651 |
#endif
|
8652 |
#endif
|
8653 |
#ifdef TARGET_NR_get_thread_area
|
8654 |
case TARGET_NR_get_thread_area:
|
8655 |
#if defined(TARGET_I386) && defined(TARGET_ABI32)
|
8656 |
ret = do_get_thread_area(cpu_env, arg1); |
8657 |
break;
|
8658 |
#elif defined(TARGET_M68K)
|
8659 |
{ |
8660 |
TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
8661 |
ret = ts->tp_value; |
8662 |
break;
|
8663 |
} |
8664 |
#else
|
8665 |
goto unimplemented_nowarn;
|
8666 |
#endif
|
8667 |
#endif
|
8668 |
#ifdef TARGET_NR_getdomainname
|
8669 |
case TARGET_NR_getdomainname:
|
8670 |
goto unimplemented_nowarn;
|
8671 |
#endif
|
8672 |
|
8673 |
#ifdef TARGET_NR_clock_gettime
|
8674 |
case TARGET_NR_clock_gettime:
|
8675 |
{ |
8676 |
struct timespec ts;
|
8677 |
ret = get_errno(clock_gettime(arg1, &ts)); |
8678 |
if (!is_error(ret)) {
|
8679 |
host_to_target_timespec(arg2, &ts); |
8680 |
} |
8681 |
break;
|
8682 |
} |
8683 |
#endif
|
8684 |
#ifdef TARGET_NR_clock_getres
|
8685 |
case TARGET_NR_clock_getres:
|
8686 |
{ |
8687 |
struct timespec ts;
|
8688 |
ret = get_errno(clock_getres(arg1, &ts)); |
8689 |
if (!is_error(ret)) {
|
8690 |
host_to_target_timespec(arg2, &ts); |
8691 |
} |
8692 |
break;
|
8693 |
} |
8694 |
#endif
|
8695 |
#ifdef TARGET_NR_clock_nanosleep
|
8696 |
case TARGET_NR_clock_nanosleep:
|
8697 |
{ |
8698 |
struct timespec ts;
|
8699 |
target_to_host_timespec(&ts, arg3); |
8700 |
ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
|
8701 |
if (arg4)
|
8702 |
host_to_target_timespec(arg4, &ts); |
8703 |
break;
|
8704 |
} |
8705 |
#endif
|
8706 |
|
8707 |
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
|
8708 |
case TARGET_NR_set_tid_address:
|
8709 |
ret = get_errno(set_tid_address((int *)g2h(arg1)));
|
8710 |
break;
|
8711 |
#endif
|
8712 |
|
8713 |
#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
|
8714 |
case TARGET_NR_tkill:
|
8715 |
ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
|
8716 |
break;
|
8717 |
#endif
|
8718 |
|
8719 |
#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
|
8720 |
case TARGET_NR_tgkill:
|
8721 |
ret = get_errno(sys_tgkill((int)arg1, (int)arg2, |
8722 |
target_to_host_signal(arg3))); |
8723 |
break;
|
8724 |
#endif
|
8725 |
|
8726 |
#ifdef TARGET_NR_set_robust_list
|
8727 |
case TARGET_NR_set_robust_list:
|
8728 |
case TARGET_NR_get_robust_list:
|
8729 |
/* The ABI for supporting robust futexes has userspace pass
|
8730 |
* the kernel a pointer to a linked list which is updated by
|
8731 |
* userspace after the syscall; the list is walked by the kernel
|
8732 |
* when the thread exits. Since the linked list in QEMU guest
|
8733 |
* memory isn't a valid linked list for the host and we have
|
8734 |
* no way to reliably intercept the thread-death event, we can't
|
8735 |
* support these. Silently return ENOSYS so that guest userspace
|
8736 |
* falls back to a non-robust futex implementation (which should
|
8737 |
* be OK except in the corner case of the guest crashing while
|
8738 |
* holding a mutex that is shared with another process via
|
8739 |
* shared memory).
|
8740 |
*/
|
8741 |
goto unimplemented_nowarn;
|
8742 |
#endif
|
8743 |
|
8744 |
#if defined(TARGET_NR_utimensat)
|
8745 |
case TARGET_NR_utimensat:
|
8746 |
{ |
8747 |
struct timespec *tsp, ts[2]; |
8748 |
if (!arg3) {
|
8749 |
tsp = NULL;
|
8750 |
} else {
|
8751 |
target_to_host_timespec(ts, arg3); |
8752 |
target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); |
8753 |
tsp = ts; |
8754 |
} |
8755 |
if (!arg2)
|
8756 |
ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
|
8757 |
else {
|
8758 |
if (!(p = lock_user_string(arg2))) {
|
8759 |
ret = -TARGET_EFAULT; |
8760 |
goto fail;
|
8761 |
} |
8762 |
ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
8763 |
unlock_user(p, arg2, 0);
|
8764 |
} |
8765 |
} |
8766 |
break;
|
8767 |
#endif
|
8768 |
case TARGET_NR_futex:
|
8769 |
ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); |
8770 |
break;
|
8771 |
#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
|
8772 |
case TARGET_NR_inotify_init:
|
8773 |
ret = get_errno(sys_inotify_init()); |
8774 |
break;
|
8775 |
#endif
|
8776 |
#ifdef CONFIG_INOTIFY1
|
8777 |
#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
|
8778 |
case TARGET_NR_inotify_init1:
|
8779 |
ret = get_errno(sys_inotify_init1(arg1)); |
8780 |
break;
|
8781 |
#endif
|
8782 |
#endif
|
8783 |
#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
|
8784 |
case TARGET_NR_inotify_add_watch:
|
8785 |
p = lock_user_string(arg2); |
8786 |
ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); |
8787 |
unlock_user(p, arg2, 0);
|
8788 |
break;
|
8789 |
#endif
|
8790 |
#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
|
8791 |
case TARGET_NR_inotify_rm_watch:
|
8792 |
ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); |
8793 |
break;
|
8794 |
#endif
|
8795 |
|
8796 |
#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
|
8797 |
case TARGET_NR_mq_open:
|
8798 |
{ |
8799 |
struct mq_attr posix_mq_attr;
|
8800 |
|
8801 |
p = lock_user_string(arg1 - 1);
|
8802 |
if (arg4 != 0) |
8803 |
copy_from_user_mq_attr (&posix_mq_attr, arg4); |
8804 |
ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr)); |
8805 |
unlock_user (p, arg1, 0);
|
8806 |
} |
8807 |
break;
|
8808 |
|
8809 |
case TARGET_NR_mq_unlink:
|
8810 |
p = lock_user_string(arg1 - 1);
|
8811 |
ret = get_errno(mq_unlink(p)); |
8812 |
unlock_user (p, arg1, 0);
|
8813 |
break;
|
8814 |
|
8815 |
case TARGET_NR_mq_timedsend:
|
8816 |
{ |
8817 |
struct timespec ts;
|
8818 |
|
8819 |
p = lock_user (VERIFY_READ, arg2, arg3, 1);
|
8820 |
if (arg5 != 0) { |
8821 |
target_to_host_timespec(&ts, arg5); |
8822 |
ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts)); |
8823 |
host_to_target_timespec(arg5, &ts); |
8824 |
} |
8825 |
else
|
8826 |
ret = get_errno(mq_send(arg1, p, arg3, arg4)); |
8827 |
unlock_user (p, arg2, arg3); |
8828 |
} |
8829 |
break;
|
8830 |
|
8831 |
case TARGET_NR_mq_timedreceive:
|
8832 |
{ |
8833 |
struct timespec ts;
|
8834 |
unsigned int prio; |
8835 |
|
8836 |
p = lock_user (VERIFY_READ, arg2, arg3, 1);
|
8837 |
if (arg5 != 0) { |
8838 |
target_to_host_timespec(&ts, arg5); |
8839 |
ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts)); |
8840 |
host_to_target_timespec(arg5, &ts); |
8841 |
} |
8842 |
else
|
8843 |
ret = get_errno(mq_receive(arg1, p, arg3, &prio)); |
8844 |
unlock_user (p, arg2, arg3); |
8845 |
if (arg4 != 0) |
8846 |
put_user_u32(prio, arg4); |
8847 |
} |
8848 |
break;
|
8849 |
|
8850 |
/* Not implemented for now... */
|
8851 |
/* case TARGET_NR_mq_notify: */
|
8852 |
/* break; */
|
8853 |
|
8854 |
case TARGET_NR_mq_getsetattr:
|
8855 |
{ |
8856 |
struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
|
8857 |
ret = 0;
|
8858 |
if (arg3 != 0) { |
8859 |
ret = mq_getattr(arg1, &posix_mq_attr_out); |
8860 |
copy_to_user_mq_attr(arg3, &posix_mq_attr_out); |
8861 |
} |
8862 |
if (arg2 != 0) { |
8863 |
copy_from_user_mq_attr(&posix_mq_attr_in, arg2); |
8864 |
ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out); |
8865 |
} |
8866 |
|
8867 |
} |
8868 |
break;
|
8869 |
#endif
|
8870 |
|
8871 |
#ifdef CONFIG_SPLICE
|
8872 |
#ifdef TARGET_NR_tee
|
8873 |
case TARGET_NR_tee:
|
8874 |
{ |
8875 |
ret = get_errno(tee(arg1,arg2,arg3,arg4)); |
8876 |
} |
8877 |
break;
|
8878 |
#endif
|
8879 |
#ifdef TARGET_NR_splice
|
8880 |
case TARGET_NR_splice:
|
8881 |
{ |
8882 |
loff_t loff_in, loff_out; |
8883 |
loff_t *ploff_in = NULL, *ploff_out = NULL; |
8884 |
if(arg2) {
|
8885 |
get_user_u64(loff_in, arg2); |
8886 |
ploff_in = &loff_in; |
8887 |
} |
8888 |
if(arg4) {
|
8889 |
get_user_u64(loff_out, arg2); |
8890 |
ploff_out = &loff_out; |
8891 |
} |
8892 |
ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); |
8893 |
} |
8894 |
break;
|
8895 |
#endif
|
8896 |
#ifdef TARGET_NR_vmsplice
|
8897 |
case TARGET_NR_vmsplice:
|
8898 |
{ |
8899 |
struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
8900 |
if (vec != NULL) { |
8901 |
ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); |
8902 |
unlock_iovec(vec, arg2, arg3, 0);
|
8903 |
} else {
|
8904 |
ret = -host_to_target_errno(errno); |
8905 |
} |
8906 |
} |
8907 |
break;
|
8908 |
#endif
|
8909 |
#endif /* CONFIG_SPLICE */ |
8910 |
#ifdef CONFIG_EVENTFD
|
8911 |
#if defined(TARGET_NR_eventfd)
|
8912 |
case TARGET_NR_eventfd:
|
8913 |
ret = get_errno(eventfd(arg1, 0));
|
8914 |
break;
|
8915 |
#endif
|
8916 |
#if defined(TARGET_NR_eventfd2)
|
8917 |
case TARGET_NR_eventfd2:
|
8918 |
{ |
8919 |
int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
|
8920 |
if (arg2 & TARGET_O_NONBLOCK) {
|
8921 |
host_flags |= O_NONBLOCK; |
8922 |
} |
8923 |
if (arg2 & TARGET_O_CLOEXEC) {
|
8924 |
host_flags |= O_CLOEXEC; |
8925 |
} |
8926 |
ret = get_errno(eventfd(arg1, host_flags)); |
8927 |
break;
|
8928 |
} |
8929 |
#endif
|
8930 |
#endif /* CONFIG_EVENTFD */ |
8931 |
#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
|
8932 |
case TARGET_NR_fallocate:
|
8933 |
#if TARGET_ABI_BITS == 32 |
8934 |
ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), |
8935 |
target_offset64(arg5, arg6))); |
8936 |
#else
|
8937 |
ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
8938 |
#endif
|
8939 |
break;
|
8940 |
#endif
|
8941 |
#if defined(CONFIG_SYNC_FILE_RANGE)
|
8942 |
#if defined(TARGET_NR_sync_file_range)
|
8943 |
case TARGET_NR_sync_file_range:
|
8944 |
#if TARGET_ABI_BITS == 32 |
8945 |
#if defined(TARGET_MIPS)
|
8946 |
ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), |
8947 |
target_offset64(arg5, arg6), arg7)); |
8948 |
#else
|
8949 |
ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
8950 |
target_offset64(arg4, arg5), arg6)); |
8951 |
#endif /* !TARGET_MIPS */ |
8952 |
#else
|
8953 |
ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); |
8954 |
#endif
|
8955 |
break;
|
8956 |
#endif
|
8957 |
#if defined(TARGET_NR_sync_file_range2)
|
8958 |
case TARGET_NR_sync_file_range2:
|
8959 |
/* This is like sync_file_range but the arguments are reordered */
|
8960 |
#if TARGET_ABI_BITS == 32 |
8961 |
ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), |
8962 |
target_offset64(arg5, arg6), arg2)); |
8963 |
#else
|
8964 |
ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); |
8965 |
#endif
|
8966 |
break;
|
8967 |
#endif
|
8968 |
#endif
|
8969 |
#if defined(CONFIG_EPOLL)
|
8970 |
#if defined(TARGET_NR_epoll_create)
|
8971 |
case TARGET_NR_epoll_create:
|
8972 |
ret = get_errno(epoll_create(arg1)); |
8973 |
break;
|
8974 |
#endif
|
8975 |
#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
|
8976 |
case TARGET_NR_epoll_create1:
|
8977 |
ret = get_errno(epoll_create1(arg1)); |
8978 |
break;
|
8979 |
#endif
|
8980 |
#if defined(TARGET_NR_epoll_ctl)
|
8981 |
case TARGET_NR_epoll_ctl:
|
8982 |
{ |
8983 |
struct epoll_event ep;
|
8984 |
struct epoll_event *epp = 0; |
8985 |
if (arg4) {
|
8986 |
struct target_epoll_event *target_ep;
|
8987 |
if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { |
8988 |
goto efault;
|
8989 |
} |
8990 |
ep.events = tswap32(target_ep->events); |
8991 |
/* The epoll_data_t union is just opaque data to the kernel,
|
8992 |
* so we transfer all 64 bits across and need not worry what
|
8993 |
* actual data type it is.
|
8994 |
*/
|
8995 |
ep.data.u64 = tswap64(target_ep->data.u64); |
8996 |
unlock_user_struct(target_ep, arg4, 0);
|
8997 |
epp = &ep; |
8998 |
} |
8999 |
ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp)); |
9000 |
break;
|
9001 |
} |
9002 |
#endif
|
9003 |
|
9004 |
#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
|
9005 |
#define IMPLEMENT_EPOLL_PWAIT
|
9006 |
#endif
|
9007 |
#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
|
9008 |
#if defined(TARGET_NR_epoll_wait)
|
9009 |
case TARGET_NR_epoll_wait:
|
9010 |
#endif
|
9011 |
#if defined(IMPLEMENT_EPOLL_PWAIT)
|
9012 |
case TARGET_NR_epoll_pwait:
|
9013 |
#endif
|
9014 |
{ |
9015 |
struct target_epoll_event *target_ep;
|
9016 |
struct epoll_event *ep;
|
9017 |
int epfd = arg1;
|
9018 |
int maxevents = arg3;
|
9019 |
int timeout = arg4;
|
9020 |
|
9021 |
target_ep = lock_user(VERIFY_WRITE, arg2, |
9022 |
maxevents * sizeof(struct target_epoll_event), 1); |
9023 |
if (!target_ep) {
|
9024 |
goto efault;
|
9025 |
} |
9026 |
|
9027 |
ep = alloca(maxevents * sizeof(struct epoll_event)); |
9028 |
|
9029 |
switch (num) {
|
9030 |
#if defined(IMPLEMENT_EPOLL_PWAIT)
|
9031 |
case TARGET_NR_epoll_pwait:
|
9032 |
{ |
9033 |
target_sigset_t *target_set; |
9034 |
sigset_t _set, *set = &_set; |
9035 |
|
9036 |
if (arg5) {
|
9037 |
target_set = lock_user(VERIFY_READ, arg5, |
9038 |
sizeof(target_sigset_t), 1); |
9039 |
if (!target_set) {
|
9040 |
unlock_user(target_ep, arg2, 0);
|
9041 |
goto efault;
|
9042 |
} |
9043 |
target_to_host_sigset(set, target_set); |
9044 |
unlock_user(target_set, arg5, 0);
|
9045 |
} else {
|
9046 |
set = NULL;
|
9047 |
} |
9048 |
|
9049 |
ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set)); |
9050 |
break;
|
9051 |
} |
9052 |
#endif
|
9053 |
#if defined(TARGET_NR_epoll_wait)
|
9054 |
case TARGET_NR_epoll_wait:
|
9055 |
ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout)); |
9056 |
break;
|
9057 |
#endif
|
9058 |
default:
|
9059 |
ret = -TARGET_ENOSYS; |
9060 |
} |
9061 |
if (!is_error(ret)) {
|
9062 |
int i;
|
9063 |
for (i = 0; i < ret; i++) { |
9064 |
target_ep[i].events = tswap32(ep[i].events); |
9065 |
target_ep[i].data.u64 = tswap64(ep[i].data.u64); |
9066 |
} |
9067 |
} |
9068 |
unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event)); |
9069 |
break;
|
9070 |
} |
9071 |
#endif
|
9072 |
#endif
|
9073 |
#ifdef TARGET_NR_prlimit64
|
9074 |
case TARGET_NR_prlimit64:
|
9075 |
{ |
9076 |
/* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
|
9077 |
struct target_rlimit64 *target_rnew, *target_rold;
|
9078 |
struct host_rlimit64 rnew, rold, *rnewp = 0; |
9079 |
if (arg3) {
|
9080 |
if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { |
9081 |
goto efault;
|
9082 |
} |
9083 |
rnew.rlim_cur = tswap64(target_rnew->rlim_cur); |
9084 |
rnew.rlim_max = tswap64(target_rnew->rlim_max); |
9085 |
unlock_user_struct(target_rnew, arg3, 0);
|
9086 |
rnewp = &rnew; |
9087 |
} |
9088 |
|
9089 |
ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
|
9090 |
if (!is_error(ret) && arg4) {
|
9091 |
if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { |
9092 |
goto efault;
|
9093 |
} |
9094 |
target_rold->rlim_cur = tswap64(rold.rlim_cur); |
9095 |
target_rold->rlim_max = tswap64(rold.rlim_max); |
9096 |
unlock_user_struct(target_rold, arg4, 1);
|
9097 |
} |
9098 |
break;
|
9099 |
} |
9100 |
#endif
|
9101 |
#ifdef TARGET_NR_gethostname
|
9102 |
case TARGET_NR_gethostname:
|
9103 |
{ |
9104 |
char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); |
9105 |
if (name) {
|
9106 |
ret = get_errno(gethostname(name, arg2)); |
9107 |
unlock_user(name, arg1, arg2); |
9108 |
} else {
|
9109 |
ret = -TARGET_EFAULT; |
9110 |
} |
9111 |
break;
|
9112 |
} |
9113 |
#endif
|
9114 |
#ifdef TARGET_NR_atomic_cmpxchg_32
|
9115 |
case TARGET_NR_atomic_cmpxchg_32:
|
9116 |
{ |
9117 |
/* should use start_exclusive from main.c */
|
9118 |
abi_ulong mem_value; |
9119 |
if (get_user_u32(mem_value, arg6)) {
|
9120 |
target_siginfo_t info; |
9121 |
info.si_signo = SIGSEGV; |
9122 |
info.si_errno = 0;
|
9123 |
info.si_code = TARGET_SEGV_MAPERR; |
9124 |
info._sifields._sigfault._addr = arg6; |
9125 |
queue_signal((CPUArchState *)cpu_env, info.si_signo, &info); |
9126 |
ret = 0xdeadbeef;
|
9127 |
|
9128 |
} |
9129 |
if (mem_value == arg2)
|
9130 |
put_user_u32(arg1, arg6); |
9131 |
ret = mem_value; |
9132 |
break;
|
9133 |
} |
9134 |
#endif
|
9135 |
#ifdef TARGET_NR_atomic_barrier
|
9136 |
case TARGET_NR_atomic_barrier:
|
9137 |
{ |
9138 |
/* Like the kernel implementation and the qemu arm barrier, no-op this? */
|
9139 |
break;
|
9140 |
} |
9141 |
#endif
|
9142 |
|
9143 |
#ifdef TARGET_NR_timer_create
|
9144 |
case TARGET_NR_timer_create:
|
9145 |
{ |
9146 |
/* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */
|
9147 |
|
9148 |
struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; |
9149 |
struct target_sigevent *ptarget_sevp;
|
9150 |
struct target_timer_t *ptarget_timer;
|
9151 |
|
9152 |
int clkid = arg1;
|
9153 |
int timer_index = next_free_host_timer();
|
9154 |
|
9155 |
if (timer_index < 0) { |
9156 |
ret = -TARGET_EAGAIN; |
9157 |
} else {
|
9158 |
timer_t *phtimer = g_posix_timers + timer_index; |
9159 |
|
9160 |
if (arg2) {
|
9161 |
if (!lock_user_struct(VERIFY_READ, ptarget_sevp, arg2, 1)) { |
9162 |
goto efault;
|
9163 |
} |
9164 |
|
9165 |
host_sevp.sigev_signo = tswap32(ptarget_sevp->sigev_signo); |
9166 |
host_sevp.sigev_notify = tswap32(ptarget_sevp->sigev_notify); |
9167 |
|
9168 |
phost_sevp = &host_sevp; |
9169 |
} |
9170 |
|
9171 |
ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); |
9172 |
if (ret) {
|
9173 |
phtimer = NULL;
|
9174 |
} else {
|
9175 |
if (!lock_user_struct(VERIFY_WRITE, ptarget_timer, arg3, 1)) { |
9176 |
goto efault;
|
9177 |
} |
9178 |
ptarget_timer->ptr = tswap32(0xcafe0000 | timer_index);
|
9179 |
unlock_user_struct(ptarget_timer, arg3, 1);
|
9180 |
} |
9181 |
} |
9182 |
break;
|
9183 |
} |
9184 |
#endif
|
9185 |
|
9186 |
#ifdef TARGET_NR_timer_settime
|
9187 |
case TARGET_NR_timer_settime:
|
9188 |
{ |
9189 |
/* args: timer_t timerid, int flags, const struct itimerspec *new_value,
|
9190 |
* struct itimerspec * old_value */
|
9191 |
arg1 &= 0xffff;
|
9192 |
if (arg3 == 0 || arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) { |
9193 |
ret = -TARGET_EINVAL; |
9194 |
} else {
|
9195 |
timer_t htimer = g_posix_timers[arg1]; |
9196 |
struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
9197 |
|
9198 |
target_to_host_itimerspec(&hspec_new, arg3); |
9199 |
ret = get_errno( |
9200 |
timer_settime(htimer, arg2, &hspec_new, &hspec_old)); |
9201 |
host_to_target_itimerspec(arg2, &hspec_old); |
9202 |
} |
9203 |
break;
|
9204 |
} |
9205 |
#endif
|
9206 |
|
9207 |
#ifdef TARGET_NR_timer_gettime
|
9208 |
case TARGET_NR_timer_gettime:
|
9209 |
{ |
9210 |
/* args: timer_t timerid, struct itimerspec *curr_value */
|
9211 |
arg1 &= 0xffff;
|
9212 |
if (!arg2) {
|
9213 |
return -TARGET_EFAULT;
|
9214 |
} else if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) { |
9215 |
ret = -TARGET_EINVAL; |
9216 |
} else {
|
9217 |
timer_t htimer = g_posix_timers[arg1]; |
9218 |
struct itimerspec hspec;
|
9219 |
ret = get_errno(timer_gettime(htimer, &hspec)); |
9220 |
|
9221 |
if (host_to_target_itimerspec(arg2, &hspec)) {
|
9222 |
ret = -TARGET_EFAULT; |
9223 |
} |
9224 |
} |
9225 |
break;
|
9226 |
} |
9227 |
#endif
|
9228 |
|
9229 |
#ifdef TARGET_NR_timer_getoverrun
|
9230 |
case TARGET_NR_timer_getoverrun:
|
9231 |
{ |
9232 |
/* args: timer_t timerid */
|
9233 |
arg1 &= 0xffff;
|
9234 |
if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) { |
9235 |
ret = -TARGET_EINVAL; |
9236 |
} else {
|
9237 |
timer_t htimer = g_posix_timers[arg1]; |
9238 |
ret = get_errno(timer_getoverrun(htimer)); |
9239 |
} |
9240 |
break;
|
9241 |
} |
9242 |
#endif
|
9243 |
|
9244 |
#ifdef TARGET_NR_timer_delete
|
9245 |
case TARGET_NR_timer_delete:
|
9246 |
{ |
9247 |
/* args: timer_t timerid */
|
9248 |
arg1 &= 0xffff;
|
9249 |
if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) { |
9250 |
ret = -TARGET_EINVAL; |
9251 |
} else {
|
9252 |
timer_t htimer = g_posix_timers[arg1]; |
9253 |
ret = get_errno(timer_delete(htimer)); |
9254 |
g_posix_timers[arg1] = 0;
|
9255 |
} |
9256 |
break;
|
9257 |
} |
9258 |
#endif
|
9259 |
|
9260 |
default:
|
9261 |
unimplemented:
|
9262 |
gemu_log("qemu: Unsupported syscall: %d\n", num);
|
9263 |
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
|
9264 |
unimplemented_nowarn:
|
9265 |
#endif
|
9266 |
ret = -TARGET_ENOSYS; |
9267 |
break;
|
9268 |
} |
9269 |
fail:
|
9270 |
#ifdef DEBUG
|
9271 |
gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); |
9272 |
#endif
|
9273 |
if(do_strace)
|
9274 |
print_syscall_ret(num, ret); |
9275 |
return ret;
|
9276 |
efault:
|
9277 |
ret = -TARGET_EFAULT; |
9278 |
goto fail;
|
9279 |
} |