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/*
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* Linux syscalls
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#define _ATFILE_SOURCE
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#include <elf.h> |
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#include <endian.h> |
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#include <errno.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <time.h> |
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#include <limits.h> |
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#include <sys/types.h> |
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#include <sys/ipc.h> |
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#include <sys/msg.h> |
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#include <sys/wait.h> |
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#include <sys/time.h> |
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#include <sys/stat.h> |
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#include <sys/mount.h> |
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#include <sys/prctl.h> |
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#include <sys/resource.h> |
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#include <sys/mman.h> |
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#include <sys/swap.h> |
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#include <signal.h> |
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#include <sched.h> |
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#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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#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_loop.h" |
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#include "cpu-uname.h" |
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#include "qemu.h" |
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#if defined(CONFIG_USE_NPTL)
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#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
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CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID) |
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#else
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/* XXX: Hardcode the above values. */
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#define CLONE_NPTL_FLAGS2 0 |
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#endif
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//#define DEBUG
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//#include <linux/msdos_fs.h>
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#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
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#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) |
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#undef _syscall0
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#undef _syscall1
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#undef _syscall2
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#undef _syscall3
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#undef _syscall4
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#undef _syscall5
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#undef _syscall6
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#define _syscall0(type,name) \
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static type name (void) \ |
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{ \
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return syscall(__NR_##name); \ |
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} |
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#define _syscall1(type,name,type1,arg1) \
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static type name (type1 arg1) \
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{ \
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return syscall(__NR_##name, arg1); \ |
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} |
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#define _syscall2(type,name,type1,arg1,type2,arg2) \
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static type name (type1 arg1,type2 arg2) \
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{ \
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return syscall(__NR_##name, arg1, arg2); \ |
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} |
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#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
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static type name (type1 arg1,type2 arg2,type3 arg3) \
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3); \ |
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} |
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#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
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static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ |
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} |
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5) \ |
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static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ |
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} |
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#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5,type6,arg6) \ |
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static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
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type6 arg6) \ |
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ |
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} |
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#define __NR_sys_uname __NR_uname
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#define __NR_sys_faccessat __NR_faccessat
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#define __NR_sys_fchmodat __NR_fchmodat
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#define __NR_sys_fchownat __NR_fchownat
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#define __NR_sys_fstatat64 __NR_fstatat64
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#define __NR_sys_futimesat __NR_futimesat
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#define __NR_sys_getcwd1 __NR_getcwd
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#define __NR_sys_getdents __NR_getdents
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#define __NR_sys_getdents64 __NR_getdents64
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#define __NR_sys_getpriority __NR_getpriority
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#define __NR_sys_linkat __NR_linkat
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#define __NR_sys_mkdirat __NR_mkdirat
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#define __NR_sys_mknodat __NR_mknodat
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#define __NR_sys_newfstatat __NR_newfstatat
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#define __NR_sys_openat __NR_openat
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#define __NR_sys_readlinkat __NR_readlinkat
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#define __NR_sys_renameat __NR_renameat
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#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
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#define __NR_sys_symlinkat __NR_symlinkat
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#define __NR_sys_syslog __NR_syslog
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#define __NR_sys_tgkill __NR_tgkill
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#define __NR_sys_tkill __NR_tkill
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#define __NR_sys_unlinkat __NR_unlinkat
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#define __NR_sys_utimensat __NR_utimensat
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#define __NR_sys_futex __NR_futex
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#define __NR_sys_inotify_init __NR_inotify_init
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#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
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#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
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#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
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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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_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
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#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
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_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
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#endif
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#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(CONFIG_USE_NPTL)
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#if defined(TARGET_NR_futex) && defined(__NR_futex)
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_syscall6(int,sys_futex,int *,uaddr,int,op,int,val, |
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const struct timespec *,timeout,int *,uaddr2,int,val3) |
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#endif
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#endif
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#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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}; |
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#define COPY_UTSNAME_FIELD(dest, src) \
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do { \
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/* __NEW_UTS_LEN doesn't include terminating null */ \
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(void) strncpy((dest), (src), __NEW_UTS_LEN); \
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(dest)[__NEW_UTS_LEN] = '\0'; \
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} while (0) |
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static int sys_uname(struct new_utsname *buf) |
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{
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struct utsname uts_buf;
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if (uname(&uts_buf) < 0) |
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return (-1); |
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/*
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* Just in case these have some differences, we
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* translate utsname to new_utsname (which is the
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* struct linux kernel uses).
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*/
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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); |
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#undef COPY_UTSNAME_FIELD
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} |
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static int sys_getcwd1(char *buf, size_t size) |
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{
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if (getcwd(buf, size) == NULL) { |
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/* getcwd() sets errno */
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return (-1); |
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} |
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return strlen(buf)+1; |
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} |
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|
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#ifdef CONFIG_ATFILE
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/*
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* Host system seems to have atfile syscall stubs available. We
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* now enable them one by one as specified by target syscall_nr.h.
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*/
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#ifdef TARGET_NR_faccessat
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static int sys_faccessat(int dirfd, const char *pathname, int mode) |
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{
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return (faccessat(dirfd, pathname, mode, 0)); |
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} |
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#endif
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#ifdef TARGET_NR_fchmodat
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static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode) |
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{
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return (fchmodat(dirfd, pathname, mode, 0)); |
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} |
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#endif
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#if defined(TARGET_NR_fchownat)
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static int sys_fchownat(int dirfd, const char *pathname, uid_t owner, |
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gid_t group, int flags)
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{
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return (fchownat(dirfd, pathname, owner, group, flags));
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} |
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#endif
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#ifdef __NR_fstatat64
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static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf, |
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int flags)
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{
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return (fstatat(dirfd, pathname, buf, flags));
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} |
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#endif
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#ifdef __NR_newfstatat
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static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf, |
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int flags)
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{
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return (fstatat(dirfd, pathname, buf, flags));
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} |
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#endif
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#ifdef TARGET_NR_futimesat
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static int sys_futimesat(int dirfd, const char *pathname, |
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const struct timeval times[2]) |
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{
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return (futimesat(dirfd, pathname, times));
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} |
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#endif
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#ifdef TARGET_NR_linkat
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static int sys_linkat(int olddirfd, const char *oldpath, |
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int newdirfd, const char *newpath, int flags) |
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{
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return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
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} |
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#endif
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#ifdef TARGET_NR_mkdirat
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static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode) |
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{
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return (mkdirat(dirfd, pathname, mode));
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} |
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#endif
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#ifdef TARGET_NR_mknodat
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static int sys_mknodat(int dirfd, const char *pathname, mode_t mode, |
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dev_t dev) |
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{
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return (mknodat(dirfd, pathname, mode, dev));
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} |
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#endif
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#ifdef TARGET_NR_openat
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static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode) |
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{
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/*
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* open(2) has extra parameter 'mode' when called with
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* flag O_CREAT.
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*/
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if ((flags & O_CREAT) != 0) { |
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return (openat(dirfd, pathname, flags, mode));
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} |
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return (openat(dirfd, pathname, flags));
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} |
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#endif
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#ifdef TARGET_NR_readlinkat
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static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz) |
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{
|
| 413 |
return (readlinkat(dirfd, pathname, buf, bufsiz));
|
| 414 |
} |
| 415 |
#endif
|
| 416 |
#ifdef TARGET_NR_renameat
|
| 417 |
static int sys_renameat(int olddirfd, const char *oldpath, |
| 418 |
int newdirfd, const char *newpath) |
| 419 |
{
|
| 420 |
return (renameat(olddirfd, oldpath, newdirfd, newpath));
|
| 421 |
} |
| 422 |
#endif
|
| 423 |
#ifdef TARGET_NR_symlinkat
|
| 424 |
static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath) |
| 425 |
{
|
| 426 |
return (symlinkat(oldpath, newdirfd, newpath));
|
| 427 |
} |
| 428 |
#endif
|
| 429 |
#ifdef TARGET_NR_unlinkat
|
| 430 |
static int sys_unlinkat(int dirfd, const char *pathname, int flags) |
| 431 |
{
|
| 432 |
return (unlinkat(dirfd, pathname, flags));
|
| 433 |
} |
| 434 |
#endif
|
| 435 |
#else /* !CONFIG_ATFILE */ |
| 436 |
|
| 437 |
/*
|
| 438 |
* Try direct syscalls instead
|
| 439 |
*/
|
| 440 |
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
|
| 441 |
_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode) |
| 442 |
#endif
|
| 443 |
#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
|
| 444 |
_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode) |
| 445 |
#endif
|
| 446 |
#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
|
| 447 |
_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, |
| 448 |
uid_t,owner,gid_t,group,int,flags)
|
| 449 |
#endif
|
| 450 |
#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
|
| 451 |
defined(__NR_fstatat64) |
| 452 |
_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname, |
| 453 |
struct stat *,buf,int,flags) |
| 454 |
#endif
|
| 455 |
#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
|
| 456 |
_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname, |
| 457 |
const struct timeval *,times) |
| 458 |
#endif
|
| 459 |
#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
|
| 460 |
defined(__NR_newfstatat) |
| 461 |
_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname, |
| 462 |
struct stat *,buf,int,flags) |
| 463 |
#endif
|
| 464 |
#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
|
| 465 |
_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath, |
| 466 |
int,newdirfd,const char *,newpath,int,flags) |
| 467 |
#endif
|
| 468 |
#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
|
| 469 |
_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) |
| 470 |
#endif
|
| 471 |
#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
|
| 472 |
_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, |
| 473 |
mode_t,mode,dev_t,dev) |
| 474 |
#endif
|
| 475 |
#if defined(TARGET_NR_openat) && defined(__NR_openat)
|
| 476 |
_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) |
| 477 |
#endif
|
| 478 |
#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
|
| 479 |
_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname, |
| 480 |
char *,buf,size_t,bufsize)
|
| 481 |
#endif
|
| 482 |
#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
|
| 483 |
_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, |
| 484 |
int,newdirfd,const char *,newpath) |
| 485 |
#endif
|
| 486 |
#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
|
| 487 |
_syscall3(int,sys_symlinkat,const char *,oldpath, |
| 488 |
int,newdirfd,const char *,newpath) |
| 489 |
#endif
|
| 490 |
#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
|
| 491 |
_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) |
| 492 |
#endif
|
| 493 |
|
| 494 |
#endif /* CONFIG_ATFILE */ |
| 495 |
|
| 496 |
#ifdef CONFIG_UTIMENSAT
|
| 497 |
static int sys_utimensat(int dirfd, const char *pathname, |
| 498 |
const struct timespec times[2], int flags) |
| 499 |
{
|
| 500 |
if (pathname == NULL) |
| 501 |
return futimens(dirfd, times);
|
| 502 |
else
|
| 503 |
return utimensat(dirfd, pathname, times, flags);
|
| 504 |
} |
| 505 |
#else
|
| 506 |
#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
|
| 507 |
_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
| 508 |
const struct timespec *,tsp,int,flags) |
| 509 |
#endif
|
| 510 |
#endif /* CONFIG_UTIMENSAT */ |
| 511 |
|
| 512 |
#ifdef CONFIG_INOTIFY
|
| 513 |
#include <sys/inotify.h> |
| 514 |
|
| 515 |
#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
|
| 516 |
static int sys_inotify_init(void) |
| 517 |
{
|
| 518 |
return (inotify_init());
|
| 519 |
} |
| 520 |
#endif
|
| 521 |
#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
|
| 522 |
static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
| 523 |
{
|
| 524 |
return (inotify_add_watch(fd, pathname, mask));
|
| 525 |
} |
| 526 |
#endif
|
| 527 |
#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
|
| 528 |
static int sys_inotify_rm_watch(int fd, int32_t wd) |
| 529 |
{
|
| 530 |
return (inotify_rm_watch(fd, wd));
|
| 531 |
} |
| 532 |
#endif
|
| 533 |
#ifdef CONFIG_INOTIFY1
|
| 534 |
#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
|
| 535 |
static int sys_inotify_init1(int flags) |
| 536 |
{
|
| 537 |
return (inotify_init1(flags));
|
| 538 |
} |
| 539 |
#endif
|
| 540 |
#endif
|
| 541 |
#else
|
| 542 |
/* Userspace can usually survive runtime without inotify */
|
| 543 |
#undef TARGET_NR_inotify_init
|
| 544 |
#undef TARGET_NR_inotify_init1
|
| 545 |
#undef TARGET_NR_inotify_add_watch
|
| 546 |
#undef TARGET_NR_inotify_rm_watch
|
| 547 |
#endif /* CONFIG_INOTIFY */ |
| 548 |
|
| 549 |
#if defined(TARGET_NR_ppoll)
|
| 550 |
#ifndef __NR_ppoll
|
| 551 |
# define __NR_ppoll -1 |
| 552 |
#endif
|
| 553 |
#define __NR_sys_ppoll __NR_ppoll
|
| 554 |
_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds, |
| 555 |
struct timespec *, timeout, const __sigset_t *, sigmask, |
| 556 |
size_t, sigsetsize) |
| 557 |
#endif
|
| 558 |
|
| 559 |
#if defined(TARGET_NR_pselect6)
|
| 560 |
#ifndef __NR_pselect6
|
| 561 |
# define __NR_pselect6 -1 |
| 562 |
#endif
|
| 563 |
#define __NR_sys_pselect6 __NR_pselect6
|
| 564 |
_syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, |
| 565 |
fd_set *, exceptfds, struct timespec *, timeout, void *, sig); |
| 566 |
#endif
|
| 567 |
|
| 568 |
#if defined(TARGET_NR_prlimit64)
|
| 569 |
#ifndef __NR_prlimit64
|
| 570 |
# define __NR_prlimit64 -1 |
| 571 |
#endif
|
| 572 |
#define __NR_sys_prlimit64 __NR_prlimit64
|
| 573 |
/* The glibc rlimit structure may not be that used by the underlying syscall */
|
| 574 |
struct host_rlimit64 {
|
| 575 |
uint64_t rlim_cur; |
| 576 |
uint64_t rlim_max; |
| 577 |
}; |
| 578 |
_syscall4(int, sys_prlimit64, pid_t, pid, int, resource, |
| 579 |
const struct host_rlimit64 *, new_limit, |
| 580 |
struct host_rlimit64 *, old_limit)
|
| 581 |
#endif
|
| 582 |
|
| 583 |
extern int personality(int); |
| 584 |
extern int flock(int, int); |
| 585 |
extern int setfsuid(int); |
| 586 |
extern int setfsgid(int); |
| 587 |
extern int setgroups(int, gid_t *); |
| 588 |
|
| 589 |
/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
|
| 590 |
#ifdef TARGET_ARM
|
| 591 |
static inline int regpairs_aligned(void *cpu_env) { |
| 592 |
return ((((CPUARMState *)cpu_env)->eabi) == 1) ; |
| 593 |
} |
| 594 |
#elif defined(TARGET_MIPS)
|
| 595 |
static inline int regpairs_aligned(void *cpu_env) { return 1; } |
| 596 |
#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
|
| 597 |
/* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
|
| 598 |
* of registers which translates to the same as ARM/MIPS, because we start with
|
| 599 |
* r3 as arg1 */
|
| 600 |
static inline int regpairs_aligned(void *cpu_env) { return 1; } |
| 601 |
#else
|
| 602 |
static inline int regpairs_aligned(void *cpu_env) { return 0; } |
| 603 |
#endif
|
| 604 |
|
| 605 |
#define ERRNO_TABLE_SIZE 1200 |
| 606 |
|
| 607 |
/* target_to_host_errno_table[] is initialized from
|
| 608 |
* host_to_target_errno_table[] in syscall_init(). */
|
| 609 |
static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
|
| 610 |
}; |
| 611 |
|
| 612 |
/*
|
| 613 |
* This list is the union of errno values overridden in asm-<arch>/errno.h
|
| 614 |
* minus the errnos that are not actually generic to all archs.
|
| 615 |
*/
|
| 616 |
static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
|
| 617 |
[EIDRM] = TARGET_EIDRM, |
| 618 |
[ECHRNG] = TARGET_ECHRNG, |
| 619 |
[EL2NSYNC] = TARGET_EL2NSYNC, |
| 620 |
[EL3HLT] = TARGET_EL3HLT, |
| 621 |
[EL3RST] = TARGET_EL3RST, |
| 622 |
[ELNRNG] = TARGET_ELNRNG, |
| 623 |
[EUNATCH] = TARGET_EUNATCH, |
| 624 |
[ENOCSI] = TARGET_ENOCSI, |
| 625 |
[EL2HLT] = TARGET_EL2HLT, |
| 626 |
[EDEADLK] = TARGET_EDEADLK, |
| 627 |
[ENOLCK] = TARGET_ENOLCK, |
| 628 |
[EBADE] = TARGET_EBADE, |
| 629 |
[EBADR] = TARGET_EBADR, |
| 630 |
[EXFULL] = TARGET_EXFULL, |
| 631 |
[ENOANO] = TARGET_ENOANO, |
| 632 |
[EBADRQC] = TARGET_EBADRQC, |
| 633 |
[EBADSLT] = TARGET_EBADSLT, |
| 634 |
[EBFONT] = TARGET_EBFONT, |
| 635 |
[ENOSTR] = TARGET_ENOSTR, |
| 636 |
[ENODATA] = TARGET_ENODATA, |
| 637 |
[ETIME] = TARGET_ETIME, |
| 638 |
[ENOSR] = TARGET_ENOSR, |
| 639 |
[ENONET] = TARGET_ENONET, |
| 640 |
[ENOPKG] = TARGET_ENOPKG, |
| 641 |
[EREMOTE] = TARGET_EREMOTE, |
| 642 |
[ENOLINK] = TARGET_ENOLINK, |
| 643 |
[EADV] = TARGET_EADV, |
| 644 |
[ESRMNT] = TARGET_ESRMNT, |
| 645 |
[ECOMM] = TARGET_ECOMM, |
| 646 |
[EPROTO] = TARGET_EPROTO, |
| 647 |
[EDOTDOT] = TARGET_EDOTDOT, |
| 648 |
[EMULTIHOP] = TARGET_EMULTIHOP, |
| 649 |
[EBADMSG] = TARGET_EBADMSG, |
| 650 |
[ENAMETOOLONG] = TARGET_ENAMETOOLONG, |
| 651 |
[EOVERFLOW] = TARGET_EOVERFLOW, |
| 652 |
[ENOTUNIQ] = TARGET_ENOTUNIQ, |
| 653 |
[EBADFD] = TARGET_EBADFD, |
| 654 |
[EREMCHG] = TARGET_EREMCHG, |
| 655 |
[ELIBACC] = TARGET_ELIBACC, |
| 656 |
[ELIBBAD] = TARGET_ELIBBAD, |
| 657 |
[ELIBSCN] = TARGET_ELIBSCN, |
| 658 |
[ELIBMAX] = TARGET_ELIBMAX, |
| 659 |
[ELIBEXEC] = TARGET_ELIBEXEC, |
| 660 |
[EILSEQ] = TARGET_EILSEQ, |
| 661 |
[ENOSYS] = TARGET_ENOSYS, |
| 662 |
[ELOOP] = TARGET_ELOOP, |
| 663 |
[ERESTART] = TARGET_ERESTART, |
| 664 |
[ESTRPIPE] = TARGET_ESTRPIPE, |
| 665 |
[ENOTEMPTY] = TARGET_ENOTEMPTY, |
| 666 |
[EUSERS] = TARGET_EUSERS, |
| 667 |
[ENOTSOCK] = TARGET_ENOTSOCK, |
| 668 |
[EDESTADDRREQ] = TARGET_EDESTADDRREQ, |
| 669 |
[EMSGSIZE] = TARGET_EMSGSIZE, |
| 670 |
[EPROTOTYPE] = TARGET_EPROTOTYPE, |
| 671 |
[ENOPROTOOPT] = TARGET_ENOPROTOOPT, |
| 672 |
[EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, |
| 673 |
[ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, |
| 674 |
[EOPNOTSUPP] = TARGET_EOPNOTSUPP, |
| 675 |
[EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, |
| 676 |
[EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, |
| 677 |
[EADDRINUSE] = TARGET_EADDRINUSE, |
| 678 |
[EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, |
| 679 |
[ENETDOWN] = TARGET_ENETDOWN, |
| 680 |
[ENETUNREACH] = TARGET_ENETUNREACH, |
| 681 |
[ENETRESET] = TARGET_ENETRESET, |
| 682 |
[ECONNABORTED] = TARGET_ECONNABORTED, |
| 683 |
[ECONNRESET] = TARGET_ECONNRESET, |
| 684 |
[ENOBUFS] = TARGET_ENOBUFS, |
| 685 |
[EISCONN] = TARGET_EISCONN, |
| 686 |
[ENOTCONN] = TARGET_ENOTCONN, |
| 687 |
[EUCLEAN] = TARGET_EUCLEAN, |
| 688 |
[ENOTNAM] = TARGET_ENOTNAM, |
| 689 |
[ENAVAIL] = TARGET_ENAVAIL, |
| 690 |
[EISNAM] = TARGET_EISNAM, |
| 691 |
[EREMOTEIO] = TARGET_EREMOTEIO, |
| 692 |
[ESHUTDOWN] = TARGET_ESHUTDOWN, |
| 693 |
[ETOOMANYREFS] = TARGET_ETOOMANYREFS, |
| 694 |
[ETIMEDOUT] = TARGET_ETIMEDOUT, |
| 695 |
[ECONNREFUSED] = TARGET_ECONNREFUSED, |
| 696 |
[EHOSTDOWN] = TARGET_EHOSTDOWN, |
| 697 |
[EHOSTUNREACH] = TARGET_EHOSTUNREACH, |
| 698 |
[EALREADY] = TARGET_EALREADY, |
| 699 |
[EINPROGRESS] = TARGET_EINPROGRESS, |
| 700 |
[ESTALE] = TARGET_ESTALE, |
| 701 |
[ECANCELED] = TARGET_ECANCELED, |
| 702 |
[ENOMEDIUM] = TARGET_ENOMEDIUM, |
| 703 |
[EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, |
| 704 |
#ifdef ENOKEY
|
| 705 |
[ENOKEY] = TARGET_ENOKEY, |
| 706 |
#endif
|
| 707 |
#ifdef EKEYEXPIRED
|
| 708 |
[EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
| 709 |
#endif
|
| 710 |
#ifdef EKEYREVOKED
|
| 711 |
[EKEYREVOKED] = TARGET_EKEYREVOKED, |
| 712 |
#endif
|
| 713 |
#ifdef EKEYREJECTED
|
| 714 |
[EKEYREJECTED] = TARGET_EKEYREJECTED, |
| 715 |
#endif
|
| 716 |
#ifdef EOWNERDEAD
|
| 717 |
[EOWNERDEAD] = TARGET_EOWNERDEAD, |
| 718 |
#endif
|
| 719 |
#ifdef ENOTRECOVERABLE
|
| 720 |
[ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
| 721 |
#endif
|
| 722 |
}; |
| 723 |
|
| 724 |
static inline int host_to_target_errno(int err) |
| 725 |
{
|
| 726 |
if(host_to_target_errno_table[err])
|
| 727 |
return host_to_target_errno_table[err];
|
| 728 |
return err;
|
| 729 |
} |
| 730 |
|
| 731 |
static inline int target_to_host_errno(int err) |
| 732 |
{
|
| 733 |
if (target_to_host_errno_table[err])
|
| 734 |
return target_to_host_errno_table[err];
|
| 735 |
return err;
|
| 736 |
} |
| 737 |
|
| 738 |
static inline abi_long get_errno(abi_long ret) |
| 739 |
{
|
| 740 |
if (ret == -1) |
| 741 |
return -host_to_target_errno(errno);
|
| 742 |
else
|
| 743 |
return ret;
|
| 744 |
} |
| 745 |
|
| 746 |
static inline int is_error(abi_long ret) |
| 747 |
{
|
| 748 |
return (abi_ulong)ret >= (abi_ulong)(-4096); |
| 749 |
} |
| 750 |
|
| 751 |
char *target_strerror(int err) |
| 752 |
{
|
| 753 |
if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
| 754 |
return NULL; |
| 755 |
} |
| 756 |
return strerror(target_to_host_errno(err));
|
| 757 |
} |
| 758 |
|
| 759 |
static abi_ulong target_brk;
|
| 760 |
static abi_ulong target_original_brk;
|
| 761 |
static abi_ulong brk_page;
|
| 762 |
|
| 763 |
void target_set_brk(abi_ulong new_brk)
|
| 764 |
{
|
| 765 |
target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
| 766 |
brk_page = HOST_PAGE_ALIGN(target_brk); |
| 767 |
} |
| 768 |
|
| 769 |
//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
|
| 770 |
#define DEBUGF_BRK(message, args...)
|
| 771 |
|
| 772 |
/* do_brk() must return target values and target errnos. */
|
| 773 |
abi_long do_brk(abi_ulong new_brk) |
| 774 |
{
|
| 775 |
abi_long mapped_addr; |
| 776 |
int new_alloc_size;
|
| 777 |
|
| 778 |
DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
| 779 |
|
| 780 |
if (!new_brk) {
|
| 781 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
|
| 782 |
return target_brk;
|
| 783 |
} |
| 784 |
if (new_brk < target_original_brk) {
|
| 785 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
|
| 786 |
target_brk); |
| 787 |
return target_brk;
|
| 788 |
} |
| 789 |
|
| 790 |
/* If the new brk is less than the highest page reserved to the
|
| 791 |
* target heap allocation, set it and we're almost done... */
|
| 792 |
if (new_brk <= brk_page) {
|
| 793 |
/* Heap contents are initialized to zero, as for anonymous
|
| 794 |
* mapped pages. */
|
| 795 |
if (new_brk > target_brk) {
|
| 796 |
memset(g2h(target_brk), 0, new_brk - target_brk);
|
| 797 |
} |
| 798 |
target_brk = new_brk; |
| 799 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
|
| 800 |
return target_brk;
|
| 801 |
} |
| 802 |
|
| 803 |
/* We need to allocate more memory after the brk... Note that
|
| 804 |
* we don't use MAP_FIXED because that will map over the top of
|
| 805 |
* any existing mapping (like the one with the host libc or qemu
|
| 806 |
* itself); instead we treat "mapped but at wrong address" as
|
| 807 |
* a failure and unmap again.
|
| 808 |
*/
|
| 809 |
new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
| 810 |
mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
| 811 |
PROT_READ|PROT_WRITE, |
| 812 |
MAP_ANON|MAP_PRIVATE, 0, 0)); |
| 813 |
|
| 814 |
if (mapped_addr == brk_page) {
|
| 815 |
/* Heap contents are initialized to zero, as for anonymous
|
| 816 |
* mapped pages. Technically the new pages are already
|
| 817 |
* initialized to zero since they *are* anonymous mapped
|
| 818 |
* pages, however we have to take care with the contents that
|
| 819 |
* come from the remaining part of the previous page: it may
|
| 820 |
* contains garbage data due to a previous heap usage (grown
|
| 821 |
* then shrunken). */
|
| 822 |
memset(g2h(target_brk), 0, brk_page - target_brk);
|
| 823 |
|
| 824 |
target_brk = new_brk; |
| 825 |
brk_page = HOST_PAGE_ALIGN(target_brk); |
| 826 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
|
| 827 |
target_brk); |
| 828 |
return target_brk;
|
| 829 |
} else if (mapped_addr != -1) { |
| 830 |
/* Mapped but at wrong address, meaning there wasn't actually
|
| 831 |
* enough space for this brk.
|
| 832 |
*/
|
| 833 |
target_munmap(mapped_addr, new_alloc_size); |
| 834 |
mapped_addr = -1;
|
| 835 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
|
| 836 |
} |
| 837 |
else {
|
| 838 |
DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
|
| 839 |
} |
| 840 |
|
| 841 |
#if defined(TARGET_ALPHA)
|
| 842 |
/* We (partially) emulate OSF/1 on Alpha, which requires we
|
| 843 |
return a proper errno, not an unchanged brk value. */
|
| 844 |
return -TARGET_ENOMEM;
|
| 845 |
#endif
|
| 846 |
/* For everything else, return the previous break. */
|
| 847 |
return target_brk;
|
| 848 |
} |
| 849 |
|
| 850 |
static inline abi_long copy_from_user_fdset(fd_set *fds, |
| 851 |
abi_ulong target_fds_addr, |
| 852 |
int n)
|
| 853 |
{
|
| 854 |
int i, nw, j, k;
|
| 855 |
abi_ulong b, *target_fds; |
| 856 |
|
| 857 |
nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
|
| 858 |
if (!(target_fds = lock_user(VERIFY_READ,
|
| 859 |
target_fds_addr, |
| 860 |
sizeof(abi_ulong) * nw,
|
| 861 |
1)))
|
| 862 |
return -TARGET_EFAULT;
|
| 863 |
|
| 864 |
FD_ZERO(fds); |
| 865 |
k = 0;
|
| 866 |
for (i = 0; i < nw; i++) { |
| 867 |
/* grab the abi_ulong */
|
| 868 |
__get_user(b, &target_fds[i]); |
| 869 |
for (j = 0; j < TARGET_ABI_BITS; j++) { |
| 870 |
/* check the bit inside the abi_ulong */
|
| 871 |
if ((b >> j) & 1) |
| 872 |
FD_SET(k, fds); |
| 873 |
k++; |
| 874 |
} |
| 875 |
} |
| 876 |
|
| 877 |
unlock_user(target_fds, target_fds_addr, 0);
|
| 878 |
|
| 879 |
return 0; |
| 880 |
} |
| 881 |
|
| 882 |
static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
| 883 |
abi_ulong target_fds_addr, |
| 884 |
int n)
|
| 885 |
{
|
| 886 |
if (target_fds_addr) {
|
| 887 |
if (copy_from_user_fdset(fds, target_fds_addr, n))
|
| 888 |
return -TARGET_EFAULT;
|
| 889 |
*fds_ptr = fds; |
| 890 |
} else {
|
| 891 |
*fds_ptr = NULL;
|
| 892 |
} |
| 893 |
return 0; |
| 894 |
} |
| 895 |
|
| 896 |
static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
| 897 |
const fd_set *fds,
|
| 898 |
int n)
|
| 899 |
{
|
| 900 |
int i, nw, j, k;
|
| 901 |
abi_long v; |
| 902 |
abi_ulong *target_fds; |
| 903 |
|
| 904 |
nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
|
| 905 |
if (!(target_fds = lock_user(VERIFY_WRITE,
|
| 906 |
target_fds_addr, |
| 907 |
sizeof(abi_ulong) * nw,
|
| 908 |
0)))
|
| 909 |
return -TARGET_EFAULT;
|
| 910 |
|
| 911 |
k = 0;
|
| 912 |
for (i = 0; i < nw; i++) { |
| 913 |
v = 0;
|
| 914 |
for (j = 0; j < TARGET_ABI_BITS; j++) { |
| 915 |
v |= ((FD_ISSET(k, fds) != 0) << j);
|
| 916 |
k++; |
| 917 |
} |
| 918 |
__put_user(v, &target_fds[i]); |
| 919 |
} |
| 920 |
|
| 921 |
unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
|
| 922 |
|
| 923 |
return 0; |
| 924 |
} |
| 925 |
|
| 926 |
#if defined(__alpha__)
|
| 927 |
#define HOST_HZ 1024 |
| 928 |
#else
|
| 929 |
#define HOST_HZ 100 |
| 930 |
#endif
|
| 931 |
|
| 932 |
static inline abi_long host_to_target_clock_t(long ticks) |
| 933 |
{
|
| 934 |
#if HOST_HZ == TARGET_HZ
|
| 935 |
return ticks;
|
| 936 |
#else
|
| 937 |
return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
|
| 938 |
#endif
|
| 939 |
} |
| 940 |
|
| 941 |
static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
| 942 |
const struct rusage *rusage) |
| 943 |
{
|
| 944 |
struct target_rusage *target_rusage;
|
| 945 |
|
| 946 |
if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
| 947 |
return -TARGET_EFAULT;
|
| 948 |
target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
| 949 |
target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); |
| 950 |
target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); |
| 951 |
target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); |
| 952 |
target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); |
| 953 |
target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); |
| 954 |
target_rusage->ru_idrss = tswapal(rusage->ru_idrss); |
| 955 |
target_rusage->ru_isrss = tswapal(rusage->ru_isrss); |
| 956 |
target_rusage->ru_minflt = tswapal(rusage->ru_minflt); |
| 957 |
target_rusage->ru_majflt = tswapal(rusage->ru_majflt); |
| 958 |
target_rusage->ru_nswap = tswapal(rusage->ru_nswap); |
| 959 |
target_rusage->ru_inblock = tswapal(rusage->ru_inblock); |
| 960 |
target_rusage->ru_oublock = tswapal(rusage->ru_oublock); |
| 961 |
target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); |
| 962 |
target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); |
| 963 |
target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); |
| 964 |
target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); |
| 965 |
target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); |
| 966 |
unlock_user_struct(target_rusage, target_addr, 1);
|
| 967 |
|
| 968 |
return 0; |
| 969 |
} |
| 970 |
|
| 971 |
static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
| 972 |
{
|
| 973 |
abi_ulong target_rlim_swap; |
| 974 |
rlim_t result; |
| 975 |
|
| 976 |
target_rlim_swap = tswapal(target_rlim); |
| 977 |
if (target_rlim_swap == TARGET_RLIM_INFINITY)
|
| 978 |
return RLIM_INFINITY;
|
| 979 |
|
| 980 |
result = target_rlim_swap; |
| 981 |
if (target_rlim_swap != (rlim_t)result)
|
| 982 |
return RLIM_INFINITY;
|
| 983 |
|
| 984 |
return result;
|
| 985 |
} |
| 986 |
|
| 987 |
static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
| 988 |
{
|
| 989 |
abi_ulong target_rlim_swap; |
| 990 |
abi_ulong result; |
| 991 |
|
| 992 |
if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
|
| 993 |
target_rlim_swap = TARGET_RLIM_INFINITY; |
| 994 |
else
|
| 995 |
target_rlim_swap = rlim; |
| 996 |
result = tswapal(target_rlim_swap); |
| 997 |
|
| 998 |
return result;
|
| 999 |
} |
| 1000 |
|
| 1001 |
static inline int target_to_host_resource(int code) |
| 1002 |
{
|
| 1003 |
switch (code) {
|
| 1004 |
case TARGET_RLIMIT_AS:
|
| 1005 |
return RLIMIT_AS;
|
| 1006 |
case TARGET_RLIMIT_CORE:
|
| 1007 |
return RLIMIT_CORE;
|
| 1008 |
case TARGET_RLIMIT_CPU:
|
| 1009 |
return RLIMIT_CPU;
|
| 1010 |
case TARGET_RLIMIT_DATA:
|
| 1011 |
return RLIMIT_DATA;
|
| 1012 |
case TARGET_RLIMIT_FSIZE:
|
| 1013 |
return RLIMIT_FSIZE;
|
| 1014 |
case TARGET_RLIMIT_LOCKS:
|
| 1015 |
return RLIMIT_LOCKS;
|
| 1016 |
case TARGET_RLIMIT_MEMLOCK:
|
| 1017 |
return RLIMIT_MEMLOCK;
|
| 1018 |
case TARGET_RLIMIT_MSGQUEUE:
|
| 1019 |
return RLIMIT_MSGQUEUE;
|
| 1020 |
case TARGET_RLIMIT_NICE:
|
| 1021 |
return RLIMIT_NICE;
|
| 1022 |
case TARGET_RLIMIT_NOFILE:
|
| 1023 |
return RLIMIT_NOFILE;
|
| 1024 |
case TARGET_RLIMIT_NPROC:
|
| 1025 |
return RLIMIT_NPROC;
|
| 1026 |
case TARGET_RLIMIT_RSS:
|
| 1027 |
return RLIMIT_RSS;
|
| 1028 |
case TARGET_RLIMIT_RTPRIO:
|
| 1029 |
return RLIMIT_RTPRIO;
|
| 1030 |
case TARGET_RLIMIT_SIGPENDING:
|
| 1031 |
return RLIMIT_SIGPENDING;
|
| 1032 |
case TARGET_RLIMIT_STACK:
|
| 1033 |
return RLIMIT_STACK;
|
| 1034 |
default:
|
| 1035 |
return code;
|
| 1036 |
} |
| 1037 |
} |
| 1038 |
|
| 1039 |
static inline abi_long copy_from_user_timeval(struct timeval *tv, |
| 1040 |
abi_ulong target_tv_addr) |
| 1041 |
{
|
| 1042 |
struct target_timeval *target_tv;
|
| 1043 |
|
| 1044 |
if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
| 1045 |
return -TARGET_EFAULT;
|
| 1046 |
|
| 1047 |
__get_user(tv->tv_sec, &target_tv->tv_sec); |
| 1048 |
__get_user(tv->tv_usec, &target_tv->tv_usec); |
| 1049 |
|
| 1050 |
unlock_user_struct(target_tv, target_tv_addr, 0);
|
| 1051 |
|
| 1052 |
return 0; |
| 1053 |
} |
| 1054 |
|
| 1055 |
static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
| 1056 |
const struct timeval *tv) |
| 1057 |
{
|
| 1058 |
struct target_timeval *target_tv;
|
| 1059 |
|
| 1060 |
if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
| 1061 |
return -TARGET_EFAULT;
|
| 1062 |
|
| 1063 |
__put_user(tv->tv_sec, &target_tv->tv_sec); |
| 1064 |
__put_user(tv->tv_usec, &target_tv->tv_usec); |
| 1065 |
|
| 1066 |
unlock_user_struct(target_tv, target_tv_addr, 1);
|
| 1067 |
|
| 1068 |
return 0; |
| 1069 |
} |
| 1070 |
|
| 1071 |
#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
|
| 1072 |
#include <mqueue.h> |
| 1073 |
|
| 1074 |
static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
| 1075 |
abi_ulong target_mq_attr_addr) |
| 1076 |
{
|
| 1077 |
struct target_mq_attr *target_mq_attr;
|
| 1078 |
|
| 1079 |
if (!lock_user_struct(VERIFY_READ, target_mq_attr,
|
| 1080 |
target_mq_attr_addr, 1))
|
| 1081 |
return -TARGET_EFAULT;
|
| 1082 |
|
| 1083 |
__get_user(attr->mq_flags, &target_mq_attr->mq_flags); |
| 1084 |
__get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); |
| 1085 |
__get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); |
| 1086 |
__get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); |
| 1087 |
|
| 1088 |
unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
|
| 1089 |
|
| 1090 |
return 0; |
| 1091 |
} |
| 1092 |
|
| 1093 |
static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, |
| 1094 |
const struct mq_attr *attr) |
| 1095 |
{
|
| 1096 |
struct target_mq_attr *target_mq_attr;
|
| 1097 |
|
| 1098 |
if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
|
| 1099 |
target_mq_attr_addr, 0))
|
| 1100 |
return -TARGET_EFAULT;
|
| 1101 |
|
| 1102 |
__put_user(attr->mq_flags, &target_mq_attr->mq_flags); |
| 1103 |
__put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); |
| 1104 |
__put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); |
| 1105 |
__put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); |
| 1106 |
|
| 1107 |
unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
|
| 1108 |
|
| 1109 |
return 0; |
| 1110 |
} |
| 1111 |
#endif
|
| 1112 |
|
| 1113 |
#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
|
| 1114 |
/* do_select() must return target values and target errnos. */
|
| 1115 |
static abi_long do_select(int n, |
| 1116 |
abi_ulong rfd_addr, abi_ulong wfd_addr, |
| 1117 |
abi_ulong efd_addr, abi_ulong target_tv_addr) |
| 1118 |
{
|
| 1119 |
fd_set rfds, wfds, efds; |
| 1120 |
fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; |
| 1121 |
struct timeval tv, *tv_ptr;
|
| 1122 |
abi_long ret; |
| 1123 |
|
| 1124 |
ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
| 1125 |
if (ret) {
|
| 1126 |
return ret;
|
| 1127 |
} |
| 1128 |
ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
| 1129 |
if (ret) {
|
| 1130 |
return ret;
|
| 1131 |
} |
| 1132 |
ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
| 1133 |
if (ret) {
|
| 1134 |
return ret;
|
| 1135 |
} |
| 1136 |
|
| 1137 |
if (target_tv_addr) {
|
| 1138 |
if (copy_from_user_timeval(&tv, target_tv_addr))
|
| 1139 |
return -TARGET_EFAULT;
|
| 1140 |
tv_ptr = &tv; |
| 1141 |
} else {
|
| 1142 |
tv_ptr = NULL;
|
| 1143 |
} |
| 1144 |
|
| 1145 |
ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
| 1146 |
|
| 1147 |
if (!is_error(ret)) {
|
| 1148 |
if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
|
| 1149 |
return -TARGET_EFAULT;
|
| 1150 |
if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
|
| 1151 |
return -TARGET_EFAULT;
|
| 1152 |
if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
|
| 1153 |
return -TARGET_EFAULT;
|
| 1154 |
|
| 1155 |
if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
|
| 1156 |
return -TARGET_EFAULT;
|
| 1157 |
} |
| 1158 |
|
| 1159 |
return ret;
|
| 1160 |
} |
| 1161 |
#endif
|
| 1162 |
|
| 1163 |
static abi_long do_pipe2(int host_pipe[], int flags) |
| 1164 |
{
|
| 1165 |
#ifdef CONFIG_PIPE2
|
| 1166 |
return pipe2(host_pipe, flags);
|
| 1167 |
#else
|
| 1168 |
return -ENOSYS;
|
| 1169 |
#endif
|
| 1170 |
} |
| 1171 |
|
| 1172 |
static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
| 1173 |
int flags, int is_pipe2) |
| 1174 |
{
|
| 1175 |
int host_pipe[2]; |
| 1176 |
abi_long ret; |
| 1177 |
ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); |
| 1178 |
|
| 1179 |
if (is_error(ret))
|
| 1180 |
return get_errno(ret);
|
| 1181 |
|
| 1182 |
/* Several targets have special calling conventions for the original
|
| 1183 |
pipe syscall, but didn't replicate this into the pipe2 syscall. */
|
| 1184 |
if (!is_pipe2) {
|
| 1185 |
#if defined(TARGET_ALPHA)
|
| 1186 |
((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
|
| 1187 |
return host_pipe[0]; |
| 1188 |
#elif defined(TARGET_MIPS)
|
| 1189 |
((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; |
| 1190 |
return host_pipe[0]; |
| 1191 |
#elif defined(TARGET_SH4)
|
| 1192 |
((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
| 1193 |
return host_pipe[0]; |
| 1194 |
#endif
|
| 1195 |
} |
| 1196 |
|
| 1197 |
if (put_user_s32(host_pipe[0], pipedes) |
| 1198 |
|| put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) |
| 1199 |
return -TARGET_EFAULT;
|
| 1200 |
return get_errno(ret);
|
| 1201 |
} |
| 1202 |
|
| 1203 |
static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
| 1204 |
abi_ulong target_addr, |
| 1205 |
socklen_t len) |
| 1206 |
{
|
| 1207 |
struct target_ip_mreqn *target_smreqn;
|
| 1208 |
|
| 1209 |
target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
|
| 1210 |
if (!target_smreqn)
|
| 1211 |
return -TARGET_EFAULT;
|
| 1212 |
mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; |
| 1213 |
mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; |
| 1214 |
if (len == sizeof(struct target_ip_mreqn)) |
| 1215 |
mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
| 1216 |
unlock_user(target_smreqn, target_addr, 0);
|
| 1217 |
|
| 1218 |
return 0; |
| 1219 |
} |
| 1220 |
|
| 1221 |
static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, |
| 1222 |
abi_ulong target_addr, |
| 1223 |
socklen_t len) |
| 1224 |
{
|
| 1225 |
const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
| 1226 |
sa_family_t sa_family; |
| 1227 |
struct target_sockaddr *target_saddr;
|
| 1228 |
|
| 1229 |
target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
|
| 1230 |
if (!target_saddr)
|
| 1231 |
return -TARGET_EFAULT;
|
| 1232 |
|
| 1233 |
sa_family = tswap16(target_saddr->sa_family); |
| 1234 |
|
| 1235 |
/* Oops. The caller might send a incomplete sun_path; sun_path
|
| 1236 |
* must be terminated by \0 (see the manual page), but
|
| 1237 |
* unfortunately it is quite common to specify sockaddr_un
|
| 1238 |
* length as "strlen(x->sun_path)" while it should be
|
| 1239 |
* "strlen(...) + 1". We'll fix that here if needed.
|
| 1240 |
* Linux kernel has a similar feature.
|
| 1241 |
*/
|
| 1242 |
|
| 1243 |
if (sa_family == AF_UNIX) {
|
| 1244 |
if (len < unix_maxlen && len > 0) { |
| 1245 |
char *cp = (char*)target_saddr; |
| 1246 |
|
| 1247 |
if ( cp[len-1] && !cp[len] ) |
| 1248 |
len++; |
| 1249 |
} |
| 1250 |
if (len > unix_maxlen)
|
| 1251 |
len = unix_maxlen; |
| 1252 |
} |
| 1253 |
|
| 1254 |
memcpy(addr, target_saddr, len); |
| 1255 |
addr->sa_family = sa_family; |
| 1256 |
unlock_user(target_saddr, target_addr, 0);
|
| 1257 |
|
| 1258 |
return 0; |
| 1259 |
} |
| 1260 |
|
| 1261 |
static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
| 1262 |
struct sockaddr *addr,
|
| 1263 |
socklen_t len) |
| 1264 |
{
|
| 1265 |
struct target_sockaddr *target_saddr;
|
| 1266 |
|
| 1267 |
target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
|
| 1268 |
if (!target_saddr)
|
| 1269 |
return -TARGET_EFAULT;
|
| 1270 |
memcpy(target_saddr, addr, len); |
| 1271 |
target_saddr->sa_family = tswap16(addr->sa_family); |
| 1272 |
unlock_user(target_saddr, target_addr, len); |
| 1273 |
|
| 1274 |
return 0; |
| 1275 |
} |
| 1276 |
|
| 1277 |
static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
| 1278 |
struct target_msghdr *target_msgh)
|
| 1279 |
{
|
| 1280 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
| 1281 |
abi_long msg_controllen; |
| 1282 |
abi_ulong target_cmsg_addr; |
| 1283 |
struct target_cmsghdr *target_cmsg;
|
| 1284 |
socklen_t space = 0;
|
| 1285 |
|
| 1286 |
msg_controllen = tswapal(target_msgh->msg_controllen); |
| 1287 |
if (msg_controllen < sizeof (struct target_cmsghdr)) |
| 1288 |
goto the_end;
|
| 1289 |
target_cmsg_addr = tswapal(target_msgh->msg_control); |
| 1290 |
target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
|
| 1291 |
if (!target_cmsg)
|
| 1292 |
return -TARGET_EFAULT;
|
| 1293 |
|
| 1294 |
while (cmsg && target_cmsg) {
|
| 1295 |
void *data = CMSG_DATA(cmsg);
|
| 1296 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
| 1297 |
|
| 1298 |
int len = tswapal(target_cmsg->cmsg_len)
|
| 1299 |
- TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
| 1300 |
|
| 1301 |
space += CMSG_SPACE(len); |
| 1302 |
if (space > msgh->msg_controllen) {
|
| 1303 |
space -= CMSG_SPACE(len); |
| 1304 |
gemu_log("Host cmsg overflow\n");
|
| 1305 |
break;
|
| 1306 |
} |
| 1307 |
|
| 1308 |
cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); |
| 1309 |
cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
| 1310 |
cmsg->cmsg_len = CMSG_LEN(len); |
| 1311 |
|
| 1312 |
if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
| 1313 |
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
| 1314 |
memcpy(data, target_data, len); |
| 1315 |
} else {
|
| 1316 |
int *fd = (int *)data; |
| 1317 |
int *target_fd = (int *)target_data; |
| 1318 |
int i, numfds = len / sizeof(int); |
| 1319 |
|
| 1320 |
for (i = 0; i < numfds; i++) |
| 1321 |
fd[i] = tswap32(target_fd[i]); |
| 1322 |
} |
| 1323 |
|
| 1324 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
| 1325 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
| 1326 |
} |
| 1327 |
unlock_user(target_cmsg, target_cmsg_addr, 0);
|
| 1328 |
the_end:
|
| 1329 |
msgh->msg_controllen = space; |
| 1330 |
return 0; |
| 1331 |
} |
| 1332 |
|
| 1333 |
static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
| 1334 |
struct msghdr *msgh)
|
| 1335 |
{
|
| 1336 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
| 1337 |
abi_long msg_controllen; |
| 1338 |
abi_ulong target_cmsg_addr; |
| 1339 |
struct target_cmsghdr *target_cmsg;
|
| 1340 |
socklen_t space = 0;
|
| 1341 |
|
| 1342 |
msg_controllen = tswapal(target_msgh->msg_controllen); |
| 1343 |
if (msg_controllen < sizeof (struct target_cmsghdr)) |
| 1344 |
goto the_end;
|
| 1345 |
target_cmsg_addr = tswapal(target_msgh->msg_control); |
| 1346 |
target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
|
| 1347 |
if (!target_cmsg)
|
| 1348 |
return -TARGET_EFAULT;
|
| 1349 |
|
| 1350 |
while (cmsg && target_cmsg) {
|
| 1351 |
void *data = CMSG_DATA(cmsg);
|
| 1352 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
| 1353 |
|
| 1354 |
int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); |
| 1355 |
|
| 1356 |
space += TARGET_CMSG_SPACE(len); |
| 1357 |
if (space > msg_controllen) {
|
| 1358 |
space -= TARGET_CMSG_SPACE(len); |
| 1359 |
gemu_log("Target cmsg overflow\n");
|
| 1360 |
break;
|
| 1361 |
} |
| 1362 |
|
| 1363 |
target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); |
| 1364 |
target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
| 1365 |
target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len)); |
| 1366 |
|
| 1367 |
if ((cmsg->cmsg_level == TARGET_SOL_SOCKET) &&
|
| 1368 |
(cmsg->cmsg_type == SCM_RIGHTS)) {
|
| 1369 |
int *fd = (int *)data; |
| 1370 |
int *target_fd = (int *)target_data; |
| 1371 |
int i, numfds = len / sizeof(int); |
| 1372 |
|
| 1373 |
for (i = 0; i < numfds; i++) |
| 1374 |
target_fd[i] = tswap32(fd[i]); |
| 1375 |
} else if ((cmsg->cmsg_level == TARGET_SOL_SOCKET) && |
| 1376 |
(cmsg->cmsg_type == SO_TIMESTAMP) && |
| 1377 |
(len == sizeof(struct timeval))) { |
| 1378 |
/* copy struct timeval to target */
|
| 1379 |
struct timeval *tv = (struct timeval *)data; |
| 1380 |
struct target_timeval *target_tv =
|
| 1381 |
(struct target_timeval *)target_data;
|
| 1382 |
|
| 1383 |
target_tv->tv_sec = tswapal(tv->tv_sec); |
| 1384 |
target_tv->tv_usec = tswapal(tv->tv_usec); |
| 1385 |
} else {
|
| 1386 |
gemu_log("Unsupported ancillary data: %d/%d\n",
|
| 1387 |
cmsg->cmsg_level, cmsg->cmsg_type); |
| 1388 |
memcpy(target_data, data, len); |
| 1389 |
} |
| 1390 |
|
| 1391 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
| 1392 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
| 1393 |
} |
| 1394 |
unlock_user(target_cmsg, target_cmsg_addr, space); |
| 1395 |
the_end:
|
| 1396 |
target_msgh->msg_controllen = tswapal(space); |
| 1397 |
return 0; |
| 1398 |
} |
| 1399 |
|
| 1400 |
/* do_setsockopt() Must return target values and target errnos. */
|
| 1401 |
static abi_long do_setsockopt(int sockfd, int level, int optname, |
| 1402 |
abi_ulong optval_addr, socklen_t optlen) |
| 1403 |
{
|
| 1404 |
abi_long ret; |
| 1405 |
int val;
|
| 1406 |
struct ip_mreqn *ip_mreq;
|
| 1407 |
struct ip_mreq_source *ip_mreq_source;
|
| 1408 |
|
| 1409 |
switch(level) {
|
| 1410 |
case SOL_TCP:
|
| 1411 |
/* TCP options all take an 'int' value. */
|
| 1412 |
if (optlen < sizeof(uint32_t)) |
| 1413 |
return -TARGET_EINVAL;
|
| 1414 |
|
| 1415 |
if (get_user_u32(val, optval_addr))
|
| 1416 |
return -TARGET_EFAULT;
|
| 1417 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
| 1418 |
break;
|
| 1419 |
case SOL_IP:
|
| 1420 |
switch(optname) {
|
| 1421 |
case IP_TOS:
|
| 1422 |
case IP_TTL:
|
| 1423 |
case IP_HDRINCL:
|
| 1424 |
case IP_ROUTER_ALERT:
|
| 1425 |
case IP_RECVOPTS:
|
| 1426 |
case IP_RETOPTS:
|
| 1427 |
case IP_PKTINFO:
|
| 1428 |
case IP_MTU_DISCOVER:
|
| 1429 |
case IP_RECVERR:
|
| 1430 |
case IP_RECVTOS:
|
| 1431 |
#ifdef IP_FREEBIND
|
| 1432 |
case IP_FREEBIND:
|
| 1433 |
#endif
|
| 1434 |
case IP_MULTICAST_TTL:
|
| 1435 |
case IP_MULTICAST_LOOP:
|
| 1436 |
val = 0;
|
| 1437 |
if (optlen >= sizeof(uint32_t)) { |
| 1438 |
if (get_user_u32(val, optval_addr))
|
| 1439 |
return -TARGET_EFAULT;
|
| 1440 |
} else if (optlen >= 1) { |
| 1441 |
if (get_user_u8(val, optval_addr))
|
| 1442 |
return -TARGET_EFAULT;
|
| 1443 |
} |
| 1444 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
| 1445 |
break;
|
| 1446 |
case IP_ADD_MEMBERSHIP:
|
| 1447 |
case IP_DROP_MEMBERSHIP:
|
| 1448 |
if (optlen < sizeof (struct target_ip_mreq) || |
| 1449 |
optlen > sizeof (struct target_ip_mreqn)) |
| 1450 |
return -TARGET_EINVAL;
|
| 1451 |
|
| 1452 |
ip_mreq = (struct ip_mreqn *) alloca(optlen);
|
| 1453 |
target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); |
| 1454 |
ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); |
| 1455 |
break;
|
| 1456 |
|
| 1457 |
case IP_BLOCK_SOURCE:
|
| 1458 |
case IP_UNBLOCK_SOURCE:
|
| 1459 |
case IP_ADD_SOURCE_MEMBERSHIP:
|
| 1460 |
case IP_DROP_SOURCE_MEMBERSHIP:
|
| 1461 |
if (optlen != sizeof (struct target_ip_mreq_source)) |
| 1462 |
return -TARGET_EINVAL;
|
| 1463 |
|
| 1464 |
ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
|
| 1465 |
ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); |
| 1466 |
unlock_user (ip_mreq_source, optval_addr, 0);
|
| 1467 |
break;
|
| 1468 |
|
| 1469 |
default:
|
| 1470 |
goto unimplemented;
|
| 1471 |
} |
| 1472 |
break;
|
| 1473 |
case SOL_RAW:
|
| 1474 |
switch (optname) {
|
| 1475 |
case ICMP_FILTER:
|
| 1476 |
/* struct icmp_filter takes an u32 value */
|
| 1477 |
if (optlen < sizeof(uint32_t)) { |
| 1478 |
return -TARGET_EINVAL;
|
| 1479 |
} |
| 1480 |
|
| 1481 |
if (get_user_u32(val, optval_addr)) {
|
| 1482 |
return -TARGET_EFAULT;
|
| 1483 |
} |
| 1484 |
ret = get_errno(setsockopt(sockfd, level, optname, |
| 1485 |
&val, sizeof(val)));
|
| 1486 |
break;
|
| 1487 |
|
| 1488 |
default:
|
| 1489 |
goto unimplemented;
|
| 1490 |
} |
| 1491 |
break;
|
| 1492 |
case TARGET_SOL_SOCKET:
|
| 1493 |
switch (optname) {
|
| 1494 |
/* Options with 'int' argument. */
|
| 1495 |
case TARGET_SO_DEBUG:
|
| 1496 |
optname = SO_DEBUG; |
| 1497 |
break;
|
| 1498 |
case TARGET_SO_REUSEADDR:
|
| 1499 |
optname = SO_REUSEADDR; |
| 1500 |
break;
|
| 1501 |
case TARGET_SO_TYPE:
|
| 1502 |
optname = SO_TYPE; |
| 1503 |
break;
|
| 1504 |
case TARGET_SO_ERROR:
|
| 1505 |
optname = SO_ERROR; |
| 1506 |
break;
|
| 1507 |
case TARGET_SO_DONTROUTE:
|
| 1508 |
optname = SO_DONTROUTE; |
| 1509 |
break;
|
| 1510 |
case TARGET_SO_BROADCAST:
|
| 1511 |
optname = SO_BROADCAST; |
| 1512 |
break;
|
| 1513 |
case TARGET_SO_SNDBUF:
|
| 1514 |
optname = SO_SNDBUF; |
| 1515 |
break;
|
| 1516 |
case TARGET_SO_RCVBUF:
|
| 1517 |
optname = SO_RCVBUF; |
| 1518 |
break;
|
| 1519 |
case TARGET_SO_KEEPALIVE:
|
| 1520 |
optname = SO_KEEPALIVE; |
| 1521 |
break;
|
| 1522 |
case TARGET_SO_OOBINLINE:
|
| 1523 |
optname = SO_OOBINLINE; |
| 1524 |
break;
|
| 1525 |
case TARGET_SO_NO_CHECK:
|
| 1526 |
optname = SO_NO_CHECK; |
| 1527 |
break;
|
| 1528 |
case TARGET_SO_PRIORITY:
|
| 1529 |
optname = SO_PRIORITY; |
| 1530 |
break;
|
| 1531 |
#ifdef SO_BSDCOMPAT
|
| 1532 |
case TARGET_SO_BSDCOMPAT:
|
| 1533 |
optname = SO_BSDCOMPAT; |
| 1534 |
break;
|
| 1535 |
#endif
|
| 1536 |
case TARGET_SO_PASSCRED:
|
| 1537 |
optname = SO_PASSCRED; |
| 1538 |
break;
|
| 1539 |
case TARGET_SO_TIMESTAMP:
|
| 1540 |
optname = SO_TIMESTAMP; |
| 1541 |
break;
|
| 1542 |
case TARGET_SO_RCVLOWAT:
|
| 1543 |
optname = SO_RCVLOWAT; |
| 1544 |
break;
|
| 1545 |
case TARGET_SO_RCVTIMEO:
|
| 1546 |
optname = SO_RCVTIMEO; |
| 1547 |
break;
|
| 1548 |
case TARGET_SO_SNDTIMEO:
|
| 1549 |
optname = SO_SNDTIMEO; |
| 1550 |
break;
|
| 1551 |
break;
|
| 1552 |
default:
|
| 1553 |
goto unimplemented;
|
| 1554 |
} |
| 1555 |
if (optlen < sizeof(uint32_t)) |
| 1556 |
return -TARGET_EINVAL;
|
| 1557 |
|
| 1558 |
if (get_user_u32(val, optval_addr))
|
| 1559 |
return -TARGET_EFAULT;
|
| 1560 |
ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
|
| 1561 |
break;
|
| 1562 |
default:
|
| 1563 |
unimplemented:
|
| 1564 |
gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
|
| 1565 |
ret = -TARGET_ENOPROTOOPT; |
| 1566 |
} |
| 1567 |
return ret;
|
| 1568 |
} |
| 1569 |
|
| 1570 |
/* do_getsockopt() Must return target values and target errnos. */
|
| 1571 |
static abi_long do_getsockopt(int sockfd, int level, int optname, |
| 1572 |
abi_ulong optval_addr, abi_ulong optlen) |
| 1573 |
{
|
| 1574 |
abi_long ret; |
| 1575 |
int len, val;
|
| 1576 |
socklen_t lv; |
| 1577 |
|
| 1578 |
switch(level) {
|
| 1579 |
case TARGET_SOL_SOCKET:
|
| 1580 |
level = SOL_SOCKET; |
| 1581 |
switch (optname) {
|
| 1582 |
/* These don't just return a single integer */
|
| 1583 |
case TARGET_SO_LINGER:
|
| 1584 |
case TARGET_SO_RCVTIMEO:
|
| 1585 |
case TARGET_SO_SNDTIMEO:
|
| 1586 |
case TARGET_SO_PEERNAME:
|
| 1587 |
goto unimplemented;
|
| 1588 |
case TARGET_SO_PEERCRED: {
|
| 1589 |
struct ucred cr;
|
| 1590 |
socklen_t crlen; |
| 1591 |
struct target_ucred *tcr;
|
| 1592 |
|
| 1593 |
if (get_user_u32(len, optlen)) {
|
| 1594 |
return -TARGET_EFAULT;
|
| 1595 |
} |
| 1596 |
if (len < 0) { |
| 1597 |
return -TARGET_EINVAL;
|
| 1598 |
} |
| 1599 |
|
| 1600 |
crlen = sizeof(cr);
|
| 1601 |
ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, |
| 1602 |
&cr, &crlen)); |
| 1603 |
if (ret < 0) { |
| 1604 |
return ret;
|
| 1605 |
} |
| 1606 |
if (len > crlen) {
|
| 1607 |
len = crlen; |
| 1608 |
} |
| 1609 |
if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { |
| 1610 |
return -TARGET_EFAULT;
|
| 1611 |
} |
| 1612 |
__put_user(cr.pid, &tcr->pid); |
| 1613 |
__put_user(cr.uid, &tcr->uid); |
| 1614 |
__put_user(cr.gid, &tcr->gid); |
| 1615 |
unlock_user_struct(tcr, optval_addr, 1);
|
| 1616 |
if (put_user_u32(len, optlen)) {
|
| 1617 |
return -TARGET_EFAULT;
|
| 1618 |
} |
| 1619 |
break;
|
| 1620 |
} |
| 1621 |
/* Options with 'int' argument. */
|
| 1622 |
case TARGET_SO_DEBUG:
|
| 1623 |
optname = SO_DEBUG; |
| 1624 |
goto int_case;
|
| 1625 |
case TARGET_SO_REUSEADDR:
|
| 1626 |
optname = SO_REUSEADDR; |
| 1627 |
goto int_case;
|
| 1628 |
case TARGET_SO_TYPE:
|
| 1629 |
optname = SO_TYPE; |
| 1630 |
goto int_case;
|
| 1631 |
case TARGET_SO_ERROR:
|
| 1632 |
optname = SO_ERROR; |
| 1633 |
goto int_case;
|
| 1634 |
case TARGET_SO_DONTROUTE:
|
| 1635 |
optname = SO_DONTROUTE; |
| 1636 |
goto int_case;
|
| 1637 |
case TARGET_SO_BROADCAST:
|
| 1638 |
optname = SO_BROADCAST; |
| 1639 |
goto int_case;
|
| 1640 |
case TARGET_SO_SNDBUF:
|
| 1641 |
optname = SO_SNDBUF; |
| 1642 |
goto int_case;
|
| 1643 |
case TARGET_SO_RCVBUF:
|
| 1644 |
optname = SO_RCVBUF; |
| 1645 |
goto int_case;
|
| 1646 |
case TARGET_SO_KEEPALIVE:
|
| 1647 |
optname = SO_KEEPALIVE; |
| 1648 |
goto int_case;
|
| 1649 |
case TARGET_SO_OOBINLINE:
|
| 1650 |
optname = SO_OOBINLINE; |
| 1651 |
goto int_case;
|
| 1652 |
case TARGET_SO_NO_CHECK:
|
| 1653 |
optname = SO_NO_CHECK; |
| 1654 |
goto int_case;
|
| 1655 |
case TARGET_SO_PRIORITY:
|
| 1656 |
optname = SO_PRIORITY; |
| 1657 |
goto int_case;
|
| 1658 |
#ifdef SO_BSDCOMPAT
|
| 1659 |
case TARGET_SO_BSDCOMPAT:
|
| 1660 |
optname = SO_BSDCOMPAT; |
| 1661 |
goto int_case;
|
| 1662 |
#endif
|
| 1663 |
case TARGET_SO_PASSCRED:
|
| 1664 |
optname = SO_PASSCRED; |
| 1665 |
goto int_case;
|
| 1666 |
case TARGET_SO_TIMESTAMP:
|
| 1667 |
optname = SO_TIMESTAMP; |
| 1668 |
goto int_case;
|
| 1669 |
case TARGET_SO_RCVLOWAT:
|
| 1670 |
optname = SO_RCVLOWAT; |
| 1671 |
goto int_case;
|
| 1672 |
default:
|
| 1673 |
goto int_case;
|
| 1674 |
} |
| 1675 |
break;
|
| 1676 |
case SOL_TCP:
|
| 1677 |
/* TCP options all take an 'int' value. */
|
| 1678 |
int_case:
|
| 1679 |
if (get_user_u32(len, optlen))
|
| 1680 |
return -TARGET_EFAULT;
|
| 1681 |
if (len < 0) |
| 1682 |
return -TARGET_EINVAL;
|
| 1683 |
lv = sizeof(lv);
|
| 1684 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
| 1685 |
if (ret < 0) |
| 1686 |
return ret;
|
| 1687 |
if (len > lv)
|
| 1688 |
len = lv; |
| 1689 |
if (len == 4) { |
| 1690 |
if (put_user_u32(val, optval_addr))
|
| 1691 |
return -TARGET_EFAULT;
|
| 1692 |
} else {
|
| 1693 |
if (put_user_u8(val, optval_addr))
|
| 1694 |
return -TARGET_EFAULT;
|
| 1695 |
} |
| 1696 |
if (put_user_u32(len, optlen))
|
| 1697 |
return -TARGET_EFAULT;
|
| 1698 |
break;
|
| 1699 |
case SOL_IP:
|
| 1700 |
switch(optname) {
|
| 1701 |
case IP_TOS:
|
| 1702 |
case IP_TTL:
|
| 1703 |
case IP_HDRINCL:
|
| 1704 |
case IP_ROUTER_ALERT:
|
| 1705 |
case IP_RECVOPTS:
|
| 1706 |
case IP_RETOPTS:
|
| 1707 |
case IP_PKTINFO:
|
| 1708 |
case IP_MTU_DISCOVER:
|
| 1709 |
case IP_RECVERR:
|
| 1710 |
case IP_RECVTOS:
|
| 1711 |
#ifdef IP_FREEBIND
|
| 1712 |
case IP_FREEBIND:
|
| 1713 |
#endif
|
| 1714 |
case IP_MULTICAST_TTL:
|
| 1715 |
case IP_MULTICAST_LOOP:
|
| 1716 |
if (get_user_u32(len, optlen))
|
| 1717 |
return -TARGET_EFAULT;
|
| 1718 |
if (len < 0) |
| 1719 |
return -TARGET_EINVAL;
|
| 1720 |
lv = sizeof(lv);
|
| 1721 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
| 1722 |
if (ret < 0) |
| 1723 |
return ret;
|
| 1724 |
if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
| 1725 |
len = 1;
|
| 1726 |
if (put_user_u32(len, optlen)
|
| 1727 |
|| put_user_u8(val, optval_addr)) |
| 1728 |
return -TARGET_EFAULT;
|
| 1729 |
} else {
|
| 1730 |
if (len > sizeof(int)) |
| 1731 |
len = sizeof(int); |
| 1732 |
if (put_user_u32(len, optlen)
|
| 1733 |
|| put_user_u32(val, optval_addr)) |
| 1734 |
return -TARGET_EFAULT;
|
| 1735 |
} |
| 1736 |
break;
|
| 1737 |
default:
|
| 1738 |
ret = -TARGET_ENOPROTOOPT; |
| 1739 |
break;
|
| 1740 |
} |
| 1741 |
break;
|
| 1742 |
default:
|
| 1743 |
unimplemented:
|
| 1744 |
gemu_log("getsockopt level=%d optname=%d not yet supported\n",
|
| 1745 |
level, optname); |
| 1746 |
ret = -TARGET_EOPNOTSUPP; |
| 1747 |
break;
|
| 1748 |
} |
| 1749 |
return ret;
|
| 1750 |
} |
| 1751 |
|
| 1752 |
static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
| 1753 |
int count, int copy) |
| 1754 |
{
|
| 1755 |
struct target_iovec *target_vec;
|
| 1756 |
struct iovec *vec;
|
| 1757 |
abi_ulong total_len, max_len; |
| 1758 |
int i;
|
| 1759 |
|
| 1760 |
if (count == 0) { |
| 1761 |
errno = 0;
|
| 1762 |
return NULL; |
| 1763 |
} |
| 1764 |
if (count > IOV_MAX) {
|
| 1765 |
errno = EINVAL; |
| 1766 |
return NULL; |
| 1767 |
} |
| 1768 |
|
| 1769 |
vec = calloc(count, sizeof(struct iovec)); |
| 1770 |
if (vec == NULL) { |
| 1771 |
errno = ENOMEM; |
| 1772 |
return NULL; |
| 1773 |
} |
| 1774 |
|
| 1775 |
target_vec = lock_user(VERIFY_READ, target_addr, |
| 1776 |
count * sizeof(struct target_iovec), 1); |
| 1777 |
if (target_vec == NULL) { |
| 1778 |
errno = EFAULT; |
| 1779 |
goto fail2;
|
| 1780 |
} |
| 1781 |
|
| 1782 |
/* ??? If host page size > target page size, this will result in a
|
| 1783 |
value larger than what we can actually support. */
|
| 1784 |
max_len = 0x7fffffff & TARGET_PAGE_MASK;
|
| 1785 |
total_len = 0;
|
| 1786 |
|
| 1787 |
for (i = 0; i < count; i++) { |
| 1788 |
abi_ulong base = tswapal(target_vec[i].iov_base); |
| 1789 |
abi_long len = tswapal(target_vec[i].iov_len); |
| 1790 |
|
| 1791 |
if (len < 0) { |
| 1792 |
errno = EINVAL; |
| 1793 |
goto fail;
|
| 1794 |
} else if (len == 0) { |
| 1795 |
/* Zero length pointer is ignored. */
|
| 1796 |
vec[i].iov_base = 0;
|
| 1797 |
} else {
|
| 1798 |
vec[i].iov_base = lock_user(type, base, len, copy); |
| 1799 |
if (!vec[i].iov_base) {
|
| 1800 |
errno = EFAULT; |
| 1801 |
goto fail;
|
| 1802 |
} |
| 1803 |
if (len > max_len - total_len) {
|
| 1804 |
len = max_len - total_len; |
| 1805 |
} |
| 1806 |
} |
| 1807 |
vec[i].iov_len = len; |
| 1808 |
total_len += len; |
| 1809 |
} |
| 1810 |
|
| 1811 |
unlock_user(target_vec, target_addr, 0);
|
| 1812 |
return vec;
|
| 1813 |
|
| 1814 |
fail:
|
| 1815 |
free(vec); |
| 1816 |
fail2:
|
| 1817 |
unlock_user(target_vec, target_addr, 0);
|
| 1818 |
return NULL; |
| 1819 |
} |
| 1820 |
|
| 1821 |
static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
| 1822 |
int count, int copy) |
| 1823 |
{
|
| 1824 |
struct target_iovec *target_vec;
|
| 1825 |
int i;
|
| 1826 |
|
| 1827 |
target_vec = lock_user(VERIFY_READ, target_addr, |
| 1828 |
count * sizeof(struct target_iovec), 1); |
| 1829 |
if (target_vec) {
|
| 1830 |
for (i = 0; i < count; i++) { |
| 1831 |
abi_ulong base = tswapal(target_vec[i].iov_base); |
| 1832 |
abi_long len = tswapal(target_vec[i].iov_base); |
| 1833 |
if (len < 0) { |
| 1834 |
break;
|
| 1835 |
} |
| 1836 |
unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
|
| 1837 |
} |
| 1838 |
unlock_user(target_vec, target_addr, 0);
|
| 1839 |
} |
| 1840 |
|
| 1841 |
free(vec); |
| 1842 |
} |
| 1843 |
|
| 1844 |
/* do_socket() Must return target values and target errnos. */
|
| 1845 |
static abi_long do_socket(int domain, int type, int protocol) |
| 1846 |
{
|
| 1847 |
#if defined(TARGET_MIPS)
|
| 1848 |
switch(type) {
|
| 1849 |
case TARGET_SOCK_DGRAM:
|
| 1850 |
type = SOCK_DGRAM; |
| 1851 |
break;
|
| 1852 |
case TARGET_SOCK_STREAM:
|
| 1853 |
type = SOCK_STREAM; |
| 1854 |
break;
|
| 1855 |
case TARGET_SOCK_RAW:
|
| 1856 |
type = SOCK_RAW; |
| 1857 |
break;
|
| 1858 |
case TARGET_SOCK_RDM:
|
| 1859 |
type = SOCK_RDM; |
| 1860 |
break;
|
| 1861 |
case TARGET_SOCK_SEQPACKET:
|
| 1862 |
type = SOCK_SEQPACKET; |
| 1863 |
break;
|
| 1864 |
case TARGET_SOCK_PACKET:
|
| 1865 |
type = SOCK_PACKET; |
| 1866 |
break;
|
| 1867 |
} |
| 1868 |
#endif
|
| 1869 |
if (domain == PF_NETLINK)
|
| 1870 |
return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */ |
| 1871 |
return get_errno(socket(domain, type, protocol));
|
| 1872 |
} |
| 1873 |
|
| 1874 |
/* do_bind() Must return target values and target errnos. */
|
| 1875 |
static abi_long do_bind(int sockfd, abi_ulong target_addr, |
| 1876 |
socklen_t addrlen) |
| 1877 |
{
|
| 1878 |
void *addr;
|
| 1879 |
abi_long ret; |
| 1880 |
|
| 1881 |
if ((int)addrlen < 0) { |
| 1882 |
return -TARGET_EINVAL;
|
| 1883 |
} |
| 1884 |
|
| 1885 |
addr = alloca(addrlen+1);
|
| 1886 |
|
| 1887 |
ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
| 1888 |
if (ret)
|
| 1889 |
return ret;
|
| 1890 |
|
| 1891 |
return get_errno(bind(sockfd, addr, addrlen));
|
| 1892 |
} |
| 1893 |
|
| 1894 |
/* do_connect() Must return target values and target errnos. */
|
| 1895 |
static abi_long do_connect(int sockfd, abi_ulong target_addr, |
| 1896 |
socklen_t addrlen) |
| 1897 |
{
|
| 1898 |
void *addr;
|
| 1899 |
abi_long ret; |
| 1900 |
|
| 1901 |
if ((int)addrlen < 0) { |
| 1902 |
return -TARGET_EINVAL;
|
| 1903 |
} |
| 1904 |
|
| 1905 |
addr = alloca(addrlen); |
| 1906 |
|
| 1907 |
ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
| 1908 |
if (ret)
|
| 1909 |
return ret;
|
| 1910 |
|
| 1911 |
return get_errno(connect(sockfd, addr, addrlen));
|
| 1912 |
} |
| 1913 |
|
| 1914 |
/* do_sendrecvmsg() Must return target values and target errnos. */
|
| 1915 |
static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, |
| 1916 |
int flags, int send) |
| 1917 |
{
|
| 1918 |
abi_long ret, len; |
| 1919 |
struct target_msghdr *msgp;
|
| 1920 |
struct msghdr msg;
|
| 1921 |
int count;
|
| 1922 |
struct iovec *vec;
|
| 1923 |
abi_ulong target_vec; |
| 1924 |
|
| 1925 |
/* FIXME */
|
| 1926 |
if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
|
| 1927 |
msgp, |
| 1928 |
target_msg, |
| 1929 |
send ? 1 : 0)) |
| 1930 |
return -TARGET_EFAULT;
|
| 1931 |
if (msgp->msg_name) {
|
| 1932 |
msg.msg_namelen = tswap32(msgp->msg_namelen); |
| 1933 |
msg.msg_name = alloca(msg.msg_namelen); |
| 1934 |
ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name), |
| 1935 |
msg.msg_namelen); |
| 1936 |
if (ret) {
|
| 1937 |
goto out2;
|
| 1938 |
} |
| 1939 |
} else {
|
| 1940 |
msg.msg_name = NULL;
|
| 1941 |
msg.msg_namelen = 0;
|
| 1942 |
} |
| 1943 |
msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
|
| 1944 |
msg.msg_control = alloca(msg.msg_controllen); |
| 1945 |
msg.msg_flags = tswap32(msgp->msg_flags); |
| 1946 |
|
| 1947 |
count = tswapal(msgp->msg_iovlen); |
| 1948 |
target_vec = tswapal(msgp->msg_iov); |
| 1949 |
vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
| 1950 |
target_vec, count, send); |
| 1951 |
if (vec == NULL) { |
| 1952 |
ret = -host_to_target_errno(errno); |
| 1953 |
goto out2;
|
| 1954 |
} |
| 1955 |
msg.msg_iovlen = count; |
| 1956 |
msg.msg_iov = vec; |
| 1957 |
|
| 1958 |
if (send) {
|
| 1959 |
ret = target_to_host_cmsg(&msg, msgp); |
| 1960 |
if (ret == 0) |
| 1961 |
ret = get_errno(sendmsg(fd, &msg, flags)); |
| 1962 |
} else {
|
| 1963 |
ret = get_errno(recvmsg(fd, &msg, flags)); |
| 1964 |
if (!is_error(ret)) {
|
| 1965 |
len = ret; |
| 1966 |
ret = host_to_target_cmsg(msgp, &msg); |
| 1967 |
if (!is_error(ret)) {
|
| 1968 |
msgp->msg_namelen = tswap32(msg.msg_namelen); |
| 1969 |
if (msg.msg_name != NULL) { |
| 1970 |
ret = host_to_target_sockaddr(tswapal(msgp->msg_name), |
| 1971 |
msg.msg_name, msg.msg_namelen); |
| 1972 |
if (ret) {
|
| 1973 |
goto out;
|
| 1974 |
} |
| 1975 |
} |
| 1976 |
|
| 1977 |
ret = len; |
| 1978 |
} |
| 1979 |
} |
| 1980 |
} |
| 1981 |
|
| 1982 |
out:
|
| 1983 |
unlock_iovec(vec, target_vec, count, !send); |
| 1984 |
out2:
|
| 1985 |
unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
| 1986 |
return ret;
|
| 1987 |
} |
| 1988 |
|
| 1989 |
/* do_accept() Must return target values and target errnos. */
|
| 1990 |
static abi_long do_accept(int fd, abi_ulong target_addr, |
| 1991 |
abi_ulong target_addrlen_addr) |
| 1992 |
{
|
| 1993 |
socklen_t addrlen; |
| 1994 |
void *addr;
|
| 1995 |
abi_long ret; |
| 1996 |
|
| 1997 |
if (target_addr == 0) |
| 1998 |
return get_errno(accept(fd, NULL, NULL)); |
| 1999 |
|
| 2000 |
/* linux returns EINVAL if addrlen pointer is invalid */
|
| 2001 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
| 2002 |
return -TARGET_EINVAL;
|
| 2003 |
|
| 2004 |
if ((int)addrlen < 0) { |
| 2005 |
return -TARGET_EINVAL;
|
| 2006 |
} |
| 2007 |
|
| 2008 |
if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
|
| 2009 |
return -TARGET_EINVAL;
|
| 2010 |
|
| 2011 |
addr = alloca(addrlen); |
| 2012 |
|
| 2013 |
ret = get_errno(accept(fd, addr, &addrlen)); |
| 2014 |
if (!is_error(ret)) {
|
| 2015 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 2016 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
| 2017 |
ret = -TARGET_EFAULT; |
| 2018 |
} |
| 2019 |
return ret;
|
| 2020 |
} |
| 2021 |
|
| 2022 |
/* do_getpeername() Must return target values and target errnos. */
|
| 2023 |
static abi_long do_getpeername(int fd, abi_ulong target_addr, |
| 2024 |
abi_ulong target_addrlen_addr) |
| 2025 |
{
|
| 2026 |
socklen_t addrlen; |
| 2027 |
void *addr;
|
| 2028 |
abi_long ret; |
| 2029 |
|
| 2030 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
| 2031 |
return -TARGET_EFAULT;
|
| 2032 |
|
| 2033 |
if ((int)addrlen < 0) { |
| 2034 |
return -TARGET_EINVAL;
|
| 2035 |
} |
| 2036 |
|
| 2037 |
if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
|
| 2038 |
return -TARGET_EFAULT;
|
| 2039 |
|
| 2040 |
addr = alloca(addrlen); |
| 2041 |
|
| 2042 |
ret = get_errno(getpeername(fd, addr, &addrlen)); |
| 2043 |
if (!is_error(ret)) {
|
| 2044 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 2045 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
| 2046 |
ret = -TARGET_EFAULT; |
| 2047 |
} |
| 2048 |
return ret;
|
| 2049 |
} |
| 2050 |
|
| 2051 |
/* do_getsockname() Must return target values and target errnos. */
|
| 2052 |
static abi_long do_getsockname(int fd, abi_ulong target_addr, |
| 2053 |
abi_ulong target_addrlen_addr) |
| 2054 |
{
|
| 2055 |
socklen_t addrlen; |
| 2056 |
void *addr;
|
| 2057 |
abi_long ret; |
| 2058 |
|
| 2059 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
| 2060 |
return -TARGET_EFAULT;
|
| 2061 |
|
| 2062 |
if ((int)addrlen < 0) { |
| 2063 |
return -TARGET_EINVAL;
|
| 2064 |
} |
| 2065 |
|
| 2066 |
if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
|
| 2067 |
return -TARGET_EFAULT;
|
| 2068 |
|
| 2069 |
addr = alloca(addrlen); |
| 2070 |
|
| 2071 |
ret = get_errno(getsockname(fd, addr, &addrlen)); |
| 2072 |
if (!is_error(ret)) {
|
| 2073 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 2074 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
| 2075 |
ret = -TARGET_EFAULT; |
| 2076 |
} |
| 2077 |
return ret;
|
| 2078 |
} |
| 2079 |
|
| 2080 |
/* do_socketpair() Must return target values and target errnos. */
|
| 2081 |
static abi_long do_socketpair(int domain, int type, int protocol, |
| 2082 |
abi_ulong target_tab_addr) |
| 2083 |
{
|
| 2084 |
int tab[2]; |
| 2085 |
abi_long ret; |
| 2086 |
|
| 2087 |
ret = get_errno(socketpair(domain, type, protocol, tab)); |
| 2088 |
if (!is_error(ret)) {
|
| 2089 |
if (put_user_s32(tab[0], target_tab_addr) |
| 2090 |
|| put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) |
| 2091 |
ret = -TARGET_EFAULT; |
| 2092 |
} |
| 2093 |
return ret;
|
| 2094 |
} |
| 2095 |
|
| 2096 |
/* do_sendto() Must return target values and target errnos. */
|
| 2097 |
static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
| 2098 |
abi_ulong target_addr, socklen_t addrlen) |
| 2099 |
{
|
| 2100 |
void *addr;
|
| 2101 |
void *host_msg;
|
| 2102 |
abi_long ret; |
| 2103 |
|
| 2104 |
if ((int)addrlen < 0) { |
| 2105 |
return -TARGET_EINVAL;
|
| 2106 |
} |
| 2107 |
|
| 2108 |
host_msg = lock_user(VERIFY_READ, msg, len, 1);
|
| 2109 |
if (!host_msg)
|
| 2110 |
return -TARGET_EFAULT;
|
| 2111 |
if (target_addr) {
|
| 2112 |
addr = alloca(addrlen); |
| 2113 |
ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
| 2114 |
if (ret) {
|
| 2115 |
unlock_user(host_msg, msg, 0);
|
| 2116 |
return ret;
|
| 2117 |
} |
| 2118 |
ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); |
| 2119 |
} else {
|
| 2120 |
ret = get_errno(send(fd, host_msg, len, flags)); |
| 2121 |
} |
| 2122 |
unlock_user(host_msg, msg, 0);
|
| 2123 |
return ret;
|
| 2124 |
} |
| 2125 |
|
| 2126 |
/* do_recvfrom() Must return target values and target errnos. */
|
| 2127 |
static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
| 2128 |
abi_ulong target_addr, |
| 2129 |
abi_ulong target_addrlen) |
| 2130 |
{
|
| 2131 |
socklen_t addrlen; |
| 2132 |
void *addr;
|
| 2133 |
void *host_msg;
|
| 2134 |
abi_long ret; |
| 2135 |
|
| 2136 |
host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
|
| 2137 |
if (!host_msg)
|
| 2138 |
return -TARGET_EFAULT;
|
| 2139 |
if (target_addr) {
|
| 2140 |
if (get_user_u32(addrlen, target_addrlen)) {
|
| 2141 |
ret = -TARGET_EFAULT; |
| 2142 |
goto fail;
|
| 2143 |
} |
| 2144 |
if ((int)addrlen < 0) { |
| 2145 |
ret = -TARGET_EINVAL; |
| 2146 |
goto fail;
|
| 2147 |
} |
| 2148 |
addr = alloca(addrlen); |
| 2149 |
ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); |
| 2150 |
} else {
|
| 2151 |
addr = NULL; /* To keep compiler quiet. */ |
| 2152 |
ret = get_errno(qemu_recv(fd, host_msg, len, flags)); |
| 2153 |
} |
| 2154 |
if (!is_error(ret)) {
|
| 2155 |
if (target_addr) {
|
| 2156 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 2157 |
if (put_user_u32(addrlen, target_addrlen)) {
|
| 2158 |
ret = -TARGET_EFAULT; |
| 2159 |
goto fail;
|
| 2160 |
} |
| 2161 |
} |
| 2162 |
unlock_user(host_msg, msg, len); |
| 2163 |
} else {
|
| 2164 |
fail:
|
| 2165 |
unlock_user(host_msg, msg, 0);
|
| 2166 |
} |
| 2167 |
return ret;
|
| 2168 |
} |
| 2169 |
|
| 2170 |
#ifdef TARGET_NR_socketcall
|
| 2171 |
/* do_socketcall() Must return target values and target errnos. */
|
| 2172 |
static abi_long do_socketcall(int num, abi_ulong vptr) |
| 2173 |
{
|
| 2174 |
abi_long ret; |
| 2175 |
const int n = sizeof(abi_ulong); |
| 2176 |
|
| 2177 |
switch(num) {
|
| 2178 |
case SOCKOP_socket:
|
| 2179 |
{
|
| 2180 |
abi_ulong domain, type, protocol; |
| 2181 |
|
| 2182 |
if (get_user_ual(domain, vptr)
|
| 2183 |
|| get_user_ual(type, vptr + n) |
| 2184 |
|| get_user_ual(protocol, vptr + 2 * n))
|
| 2185 |
return -TARGET_EFAULT;
|
| 2186 |
|
| 2187 |
ret = do_socket(domain, type, protocol); |
| 2188 |
} |
| 2189 |
break;
|
| 2190 |
case SOCKOP_bind:
|
| 2191 |
{
|
| 2192 |
abi_ulong sockfd; |
| 2193 |
abi_ulong target_addr; |
| 2194 |
socklen_t addrlen; |
| 2195 |
|
| 2196 |
if (get_user_ual(sockfd, vptr)
|
| 2197 |
|| get_user_ual(target_addr, vptr + n) |
| 2198 |
|| get_user_ual(addrlen, vptr + 2 * n))
|
| 2199 |
return -TARGET_EFAULT;
|
| 2200 |
|
| 2201 |
ret = do_bind(sockfd, target_addr, addrlen); |
| 2202 |
} |
| 2203 |
break;
|
| 2204 |
case SOCKOP_connect:
|
| 2205 |
{
|
| 2206 |
abi_ulong sockfd; |
| 2207 |
abi_ulong target_addr; |
| 2208 |
socklen_t addrlen; |
| 2209 |
|
| 2210 |
if (get_user_ual(sockfd, vptr)
|
| 2211 |
|| get_user_ual(target_addr, vptr + n) |
| 2212 |
|| get_user_ual(addrlen, vptr + 2 * n))
|
| 2213 |
return -TARGET_EFAULT;
|
| 2214 |
|
| 2215 |
ret = do_connect(sockfd, target_addr, addrlen); |
| 2216 |
} |
| 2217 |
break;
|
| 2218 |
case SOCKOP_listen:
|
| 2219 |
{
|
| 2220 |
abi_ulong sockfd, backlog; |
| 2221 |
|
| 2222 |
if (get_user_ual(sockfd, vptr)
|
| 2223 |
|| get_user_ual(backlog, vptr + n)) |
| 2224 |
return -TARGET_EFAULT;
|
| 2225 |
|
| 2226 |
ret = get_errno(listen(sockfd, backlog)); |
| 2227 |
} |
| 2228 |
break;
|
| 2229 |
case SOCKOP_accept:
|
| 2230 |
{
|
| 2231 |
abi_ulong sockfd; |
| 2232 |
abi_ulong target_addr, target_addrlen; |
| 2233 |
|
| 2234 |
if (get_user_ual(sockfd, vptr)
|
| 2235 |
|| get_user_ual(target_addr, vptr + n) |
| 2236 |
|| get_user_ual(target_addrlen, vptr + 2 * n))
|
| 2237 |
return -TARGET_EFAULT;
|
| 2238 |
|
| 2239 |
ret = do_accept(sockfd, target_addr, target_addrlen); |
| 2240 |
} |
| 2241 |
break;
|
| 2242 |
case SOCKOP_getsockname:
|
| 2243 |
{
|
| 2244 |
abi_ulong sockfd; |
| 2245 |
abi_ulong target_addr, target_addrlen; |
| 2246 |
|
| 2247 |
if (get_user_ual(sockfd, vptr)
|
| 2248 |
|| get_user_ual(target_addr, vptr + n) |
| 2249 |
|| get_user_ual(target_addrlen, vptr + 2 * n))
|
| 2250 |
return -TARGET_EFAULT;
|
| 2251 |
|
| 2252 |
ret = do_getsockname(sockfd, target_addr, target_addrlen); |
| 2253 |
} |
| 2254 |
break;
|
| 2255 |
case SOCKOP_getpeername:
|
| 2256 |
{
|
| 2257 |
abi_ulong sockfd; |
| 2258 |
abi_ulong target_addr, target_addrlen; |
| 2259 |
|
| 2260 |
if (get_user_ual(sockfd, vptr)
|
| 2261 |
|| get_user_ual(target_addr, vptr + n) |
| 2262 |
|| get_user_ual(target_addrlen, vptr + 2 * n))
|
| 2263 |
return -TARGET_EFAULT;
|
| 2264 |
|
| 2265 |
ret = do_getpeername(sockfd, target_addr, target_addrlen); |
| 2266 |
} |
| 2267 |
break;
|
| 2268 |
case SOCKOP_socketpair:
|
| 2269 |
{
|
| 2270 |
abi_ulong domain, type, protocol; |
| 2271 |
abi_ulong tab; |
| 2272 |
|
| 2273 |
if (get_user_ual(domain, vptr)
|
| 2274 |
|| get_user_ual(type, vptr + n) |
| 2275 |
|| get_user_ual(protocol, vptr + 2 * n)
|
| 2276 |
|| get_user_ual(tab, vptr + 3 * n))
|
| 2277 |
return -TARGET_EFAULT;
|
| 2278 |
|
| 2279 |
ret = do_socketpair(domain, type, protocol, tab); |
| 2280 |
} |
| 2281 |
break;
|
| 2282 |
case SOCKOP_send:
|
| 2283 |
{
|
| 2284 |
abi_ulong sockfd; |
| 2285 |
abi_ulong msg; |
| 2286 |
size_t len; |
| 2287 |
abi_ulong flags; |
| 2288 |
|
| 2289 |
if (get_user_ual(sockfd, vptr)
|
| 2290 |
|| get_user_ual(msg, vptr + n) |
| 2291 |
|| get_user_ual(len, vptr + 2 * n)
|
| 2292 |
|| get_user_ual(flags, vptr + 3 * n))
|
| 2293 |
return -TARGET_EFAULT;
|
| 2294 |
|
| 2295 |
ret = do_sendto(sockfd, msg, len, flags, 0, 0); |
| 2296 |
} |
| 2297 |
break;
|
| 2298 |
case SOCKOP_recv:
|
| 2299 |
{
|
| 2300 |
abi_ulong sockfd; |
| 2301 |
abi_ulong msg; |
| 2302 |
size_t len; |
| 2303 |
abi_ulong flags; |
| 2304 |
|
| 2305 |
if (get_user_ual(sockfd, vptr)
|
| 2306 |
|| get_user_ual(msg, vptr + n) |
| 2307 |
|| get_user_ual(len, vptr + 2 * n)
|
| 2308 |
|| get_user_ual(flags, vptr + 3 * n))
|
| 2309 |
return -TARGET_EFAULT;
|
| 2310 |
|
| 2311 |
ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); |
| 2312 |
} |
| 2313 |
break;
|
| 2314 |
case SOCKOP_sendto:
|
| 2315 |
{
|
| 2316 |
abi_ulong sockfd; |
| 2317 |
abi_ulong msg; |
| 2318 |
size_t len; |
| 2319 |
abi_ulong flags; |
| 2320 |
abi_ulong addr; |
| 2321 |
socklen_t addrlen; |
| 2322 |
|
| 2323 |
if (get_user_ual(sockfd, vptr)
|
| 2324 |
|| get_user_ual(msg, vptr + n) |
| 2325 |
|| get_user_ual(len, vptr + 2 * n)
|
| 2326 |
|| get_user_ual(flags, vptr + 3 * n)
|
| 2327 |
|| get_user_ual(addr, vptr + 4 * n)
|
| 2328 |
|| get_user_ual(addrlen, vptr + 5 * n))
|
| 2329 |
return -TARGET_EFAULT;
|
| 2330 |
|
| 2331 |
ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); |
| 2332 |
} |
| 2333 |
break;
|
| 2334 |
case SOCKOP_recvfrom:
|
| 2335 |
{
|
| 2336 |
abi_ulong sockfd; |
| 2337 |
abi_ulong msg; |
| 2338 |
size_t len; |
| 2339 |
abi_ulong flags; |
| 2340 |
abi_ulong addr; |
| 2341 |
socklen_t addrlen; |
| 2342 |
|
| 2343 |
if (get_user_ual(sockfd, vptr)
|
| 2344 |
|| get_user_ual(msg, vptr + n) |
| 2345 |
|| get_user_ual(len, vptr + 2 * n)
|
| 2346 |
|| get_user_ual(flags, vptr + 3 * n)
|
| 2347 |
|| get_user_ual(addr, vptr + 4 * n)
|
| 2348 |
|| get_user_ual(addrlen, vptr + 5 * n))
|
| 2349 |
return -TARGET_EFAULT;
|
| 2350 |
|
| 2351 |
ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); |
| 2352 |
} |
| 2353 |
break;
|
| 2354 |
case SOCKOP_shutdown:
|
| 2355 |
{
|
| 2356 |
abi_ulong sockfd, how; |
| 2357 |
|
| 2358 |
if (get_user_ual(sockfd, vptr)
|
| 2359 |
|| get_user_ual(how, vptr + n)) |
| 2360 |
return -TARGET_EFAULT;
|
| 2361 |
|
| 2362 |
ret = get_errno(shutdown(sockfd, how)); |
| 2363 |
} |
| 2364 |
break;
|
| 2365 |
case SOCKOP_sendmsg:
|
| 2366 |
case SOCKOP_recvmsg:
|
| 2367 |
{
|
| 2368 |
abi_ulong fd; |
| 2369 |
abi_ulong target_msg; |
| 2370 |
abi_ulong flags; |
| 2371 |
|
| 2372 |
if (get_user_ual(fd, vptr)
|
| 2373 |
|| get_user_ual(target_msg, vptr + n) |
| 2374 |
|| get_user_ual(flags, vptr + 2 * n))
|
| 2375 |
return -TARGET_EFAULT;
|
| 2376 |
|
| 2377 |
ret = do_sendrecvmsg(fd, target_msg, flags, |
| 2378 |
(num == SOCKOP_sendmsg)); |
| 2379 |
} |
| 2380 |
break;
|
| 2381 |
case SOCKOP_setsockopt:
|
| 2382 |
{
|
| 2383 |
abi_ulong sockfd; |
| 2384 |
abi_ulong level; |
| 2385 |
abi_ulong optname; |
| 2386 |
abi_ulong optval; |
| 2387 |
socklen_t optlen; |
| 2388 |
|
| 2389 |
if (get_user_ual(sockfd, vptr)
|
| 2390 |
|| get_user_ual(level, vptr + n) |
| 2391 |
|| get_user_ual(optname, vptr + 2 * n)
|
| 2392 |
|| get_user_ual(optval, vptr + 3 * n)
|
| 2393 |
|| get_user_ual(optlen, vptr + 4 * n))
|
| 2394 |
return -TARGET_EFAULT;
|
| 2395 |
|
| 2396 |
ret = do_setsockopt(sockfd, level, optname, optval, optlen); |
| 2397 |
} |
| 2398 |
break;
|
| 2399 |
case SOCKOP_getsockopt:
|
| 2400 |
{
|
| 2401 |
abi_ulong sockfd; |
| 2402 |
abi_ulong level; |
| 2403 |
abi_ulong optname; |
| 2404 |
abi_ulong optval; |
| 2405 |
socklen_t optlen; |
| 2406 |
|
| 2407 |
if (get_user_ual(sockfd, vptr)
|
| 2408 |
|| get_user_ual(level, vptr + n) |
| 2409 |
|| get_user_ual(optname, vptr + 2 * n)
|
| 2410 |
|| get_user_ual(optval, vptr + 3 * n)
|
| 2411 |
|| get_user_ual(optlen, vptr + 4 * n))
|
| 2412 |
return -TARGET_EFAULT;
|
| 2413 |
|
| 2414 |
ret = do_getsockopt(sockfd, level, optname, optval, optlen); |
| 2415 |
} |
| 2416 |
break;
|
| 2417 |
default:
|
| 2418 |
gemu_log("Unsupported socketcall: %d\n", num);
|
| 2419 |
ret = -TARGET_ENOSYS; |
| 2420 |
break;
|
| 2421 |
} |
| 2422 |
return ret;
|
| 2423 |
} |
| 2424 |
#endif
|
| 2425 |
|
| 2426 |
#define N_SHM_REGIONS 32 |
| 2427 |
|
| 2428 |
static struct shm_region { |
| 2429 |
abi_ulong start; |
| 2430 |
abi_ulong size; |
| 2431 |
} shm_regions[N_SHM_REGIONS]; |
| 2432 |
|
| 2433 |
struct target_ipc_perm
|
| 2434 |
{
|
| 2435 |
abi_long __key; |
| 2436 |
abi_ulong uid; |
| 2437 |
abi_ulong gid; |
| 2438 |
abi_ulong cuid; |
| 2439 |
abi_ulong cgid; |
| 2440 |
unsigned short int mode; |
| 2441 |
unsigned short int __pad1; |
| 2442 |
unsigned short int __seq; |
| 2443 |
unsigned short int __pad2; |
| 2444 |
abi_ulong __unused1; |
| 2445 |
abi_ulong __unused2; |
| 2446 |
}; |
| 2447 |
|
| 2448 |
struct target_semid_ds
|
| 2449 |
{
|
| 2450 |
struct target_ipc_perm sem_perm;
|
| 2451 |
abi_ulong sem_otime; |
| 2452 |
abi_ulong __unused1; |
| 2453 |
abi_ulong sem_ctime; |
| 2454 |
abi_ulong __unused2; |
| 2455 |
abi_ulong sem_nsems; |
| 2456 |
abi_ulong __unused3; |
| 2457 |
abi_ulong __unused4; |
| 2458 |
}; |
| 2459 |
|
| 2460 |
static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
| 2461 |
abi_ulong target_addr) |
| 2462 |
{
|
| 2463 |
struct target_ipc_perm *target_ip;
|
| 2464 |
struct target_semid_ds *target_sd;
|
| 2465 |
|
| 2466 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
| 2467 |
return -TARGET_EFAULT;
|
| 2468 |
target_ip = &(target_sd->sem_perm); |
| 2469 |
host_ip->__key = tswapal(target_ip->__key); |
| 2470 |
host_ip->uid = tswapal(target_ip->uid); |
| 2471 |
host_ip->gid = tswapal(target_ip->gid); |
| 2472 |
host_ip->cuid = tswapal(target_ip->cuid); |
| 2473 |
host_ip->cgid = tswapal(target_ip->cgid); |
| 2474 |
host_ip->mode = tswap16(target_ip->mode); |
| 2475 |
unlock_user_struct(target_sd, target_addr, 0);
|
| 2476 |
return 0; |
| 2477 |
} |
| 2478 |
|
| 2479 |
static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
| 2480 |
struct ipc_perm *host_ip)
|
| 2481 |
{
|
| 2482 |
struct target_ipc_perm *target_ip;
|
| 2483 |
struct target_semid_ds *target_sd;
|
| 2484 |
|
| 2485 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
| 2486 |
return -TARGET_EFAULT;
|
| 2487 |
target_ip = &(target_sd->sem_perm); |
| 2488 |
target_ip->__key = tswapal(host_ip->__key); |
| 2489 |
target_ip->uid = tswapal(host_ip->uid); |
| 2490 |
target_ip->gid = tswapal(host_ip->gid); |
| 2491 |
target_ip->cuid = tswapal(host_ip->cuid); |
| 2492 |
target_ip->cgid = tswapal(host_ip->cgid); |
| 2493 |
target_ip->mode = tswap16(host_ip->mode); |
| 2494 |
unlock_user_struct(target_sd, target_addr, 1);
|
| 2495 |
return 0; |
| 2496 |
} |
| 2497 |
|
| 2498 |
static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
| 2499 |
abi_ulong target_addr) |
| 2500 |
{
|
| 2501 |
struct target_semid_ds *target_sd;
|
| 2502 |
|
| 2503 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
| 2504 |
return -TARGET_EFAULT;
|
| 2505 |
if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
|
| 2506 |
return -TARGET_EFAULT;
|
| 2507 |
host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
| 2508 |
host_sd->sem_otime = tswapal(target_sd->sem_otime); |
| 2509 |
host_sd->sem_ctime = tswapal(target_sd->sem_ctime); |
| 2510 |
unlock_user_struct(target_sd, target_addr, 0);
|
| 2511 |
return 0; |
| 2512 |
} |
| 2513 |
|
| 2514 |
static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
| 2515 |
struct semid_ds *host_sd)
|
| 2516 |
{
|
| 2517 |
struct target_semid_ds *target_sd;
|
| 2518 |
|
| 2519 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
| 2520 |
return -TARGET_EFAULT;
|
| 2521 |
if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
|
| 2522 |
return -TARGET_EFAULT;
|
| 2523 |
target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
| 2524 |
target_sd->sem_otime = tswapal(host_sd->sem_otime); |
| 2525 |
target_sd->sem_ctime = tswapal(host_sd->sem_ctime); |
| 2526 |
unlock_user_struct(target_sd, target_addr, 1);
|
| 2527 |
return 0; |
| 2528 |
} |
| 2529 |
|
| 2530 |
struct target_seminfo {
|
| 2531 |
int semmap;
|
| 2532 |
int semmni;
|
| 2533 |
int semmns;
|
| 2534 |
int semmnu;
|
| 2535 |
int semmsl;
|
| 2536 |
int semopm;
|
| 2537 |
int semume;
|
| 2538 |
int semusz;
|
| 2539 |
int semvmx;
|
| 2540 |
int semaem;
|
| 2541 |
}; |
| 2542 |
|
| 2543 |
static inline abi_long host_to_target_seminfo(abi_ulong target_addr, |
| 2544 |
struct seminfo *host_seminfo)
|
| 2545 |
{
|
| 2546 |
struct target_seminfo *target_seminfo;
|
| 2547 |
if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) |
| 2548 |
return -TARGET_EFAULT;
|
| 2549 |
__put_user(host_seminfo->semmap, &target_seminfo->semmap); |
| 2550 |
__put_user(host_seminfo->semmni, &target_seminfo->semmni); |
| 2551 |
__put_user(host_seminfo->semmns, &target_seminfo->semmns); |
| 2552 |
__put_user(host_seminfo->semmnu, &target_seminfo->semmnu); |
| 2553 |
__put_user(host_seminfo->semmsl, &target_seminfo->semmsl); |
| 2554 |
__put_user(host_seminfo->semopm, &target_seminfo->semopm); |
| 2555 |
__put_user(host_seminfo->semume, &target_seminfo->semume); |
| 2556 |
__put_user(host_seminfo->semusz, &target_seminfo->semusz); |
| 2557 |
__put_user(host_seminfo->semvmx, &target_seminfo->semvmx); |
| 2558 |
__put_user(host_seminfo->semaem, &target_seminfo->semaem); |
| 2559 |
unlock_user_struct(target_seminfo, target_addr, 1);
|
| 2560 |
return 0; |
| 2561 |
} |
| 2562 |
|
| 2563 |
union semun {
|
| 2564 |
int val;
|
| 2565 |
struct semid_ds *buf;
|
| 2566 |
unsigned short *array; |
| 2567 |
struct seminfo *__buf;
|
| 2568 |
}; |
| 2569 |
|
| 2570 |
union target_semun {
|
| 2571 |
int val;
|
| 2572 |
abi_ulong buf; |
| 2573 |
abi_ulong array; |
| 2574 |
abi_ulong __buf; |
| 2575 |
}; |
| 2576 |
|
| 2577 |
static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
| 2578 |
abi_ulong target_addr) |
| 2579 |
{
|
| 2580 |
int nsems;
|
| 2581 |
unsigned short *array; |
| 2582 |
union semun semun;
|
| 2583 |
struct semid_ds semid_ds;
|
| 2584 |
int i, ret;
|
| 2585 |
|
| 2586 |
semun.buf = &semid_ds; |
| 2587 |
|
| 2588 |
ret = semctl(semid, 0, IPC_STAT, semun);
|
| 2589 |
if (ret == -1) |
| 2590 |
return get_errno(ret);
|
| 2591 |
|
| 2592 |
nsems = semid_ds.sem_nsems; |
| 2593 |
|
| 2594 |
*host_array = malloc(nsems*sizeof(unsigned short)); |
| 2595 |
array = lock_user(VERIFY_READ, target_addr, |
| 2596 |
nsems*sizeof(unsigned short), 1); |
| 2597 |
if (!array)
|
| 2598 |
return -TARGET_EFAULT;
|
| 2599 |
|
| 2600 |
for(i=0; i<nsems; i++) { |
| 2601 |
__get_user((*host_array)[i], &array[i]); |
| 2602 |
} |
| 2603 |
unlock_user(array, target_addr, 0);
|
| 2604 |
|
| 2605 |
return 0; |
| 2606 |
} |
| 2607 |
|
| 2608 |
static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
| 2609 |
unsigned short **host_array) |
| 2610 |
{
|
| 2611 |
int nsems;
|
| 2612 |
unsigned short *array; |
| 2613 |
union semun semun;
|
| 2614 |
struct semid_ds semid_ds;
|
| 2615 |
int i, ret;
|
| 2616 |
|
| 2617 |
semun.buf = &semid_ds; |
| 2618 |
|
| 2619 |
ret = semctl(semid, 0, IPC_STAT, semun);
|
| 2620 |
if (ret == -1) |
| 2621 |
return get_errno(ret);
|
| 2622 |
|
| 2623 |
nsems = semid_ds.sem_nsems; |
| 2624 |
|
| 2625 |
array = lock_user(VERIFY_WRITE, target_addr, |
| 2626 |
nsems*sizeof(unsigned short), 0); |
| 2627 |
if (!array)
|
| 2628 |
return -TARGET_EFAULT;
|
| 2629 |
|
| 2630 |
for(i=0; i<nsems; i++) { |
| 2631 |
__put_user((*host_array)[i], &array[i]); |
| 2632 |
} |
| 2633 |
free(*host_array); |
| 2634 |
unlock_user(array, target_addr, 1);
|
| 2635 |
|
| 2636 |
return 0; |
| 2637 |
} |
| 2638 |
|
| 2639 |
static inline abi_long do_semctl(int semid, int semnum, int cmd, |
| 2640 |
union target_semun target_su)
|
| 2641 |
{
|
| 2642 |
union semun arg;
|
| 2643 |
struct semid_ds dsarg;
|
| 2644 |
unsigned short *array = NULL; |
| 2645 |
struct seminfo seminfo;
|
| 2646 |
abi_long ret = -TARGET_EINVAL; |
| 2647 |
abi_long err; |
| 2648 |
cmd &= 0xff;
|
| 2649 |
|
| 2650 |
switch( cmd ) {
|
| 2651 |
case GETVAL:
|
| 2652 |
case SETVAL:
|
| 2653 |
arg.val = tswap32(target_su.val); |
| 2654 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
| 2655 |
target_su.val = tswap32(arg.val); |
| 2656 |
break;
|
| 2657 |
case GETALL:
|
| 2658 |
case SETALL:
|
| 2659 |
err = target_to_host_semarray(semid, &array, target_su.array); |
| 2660 |
if (err)
|
| 2661 |
return err;
|
| 2662 |
arg.array = array; |
| 2663 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
| 2664 |
err = host_to_target_semarray(semid, target_su.array, &array); |
| 2665 |
if (err)
|
| 2666 |
return err;
|
| 2667 |
break;
|
| 2668 |
case IPC_STAT:
|
| 2669 |
case IPC_SET:
|
| 2670 |
case SEM_STAT:
|
| 2671 |
err = target_to_host_semid_ds(&dsarg, target_su.buf); |
| 2672 |
if (err)
|
| 2673 |
return err;
|
| 2674 |
arg.buf = &dsarg; |
| 2675 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
| 2676 |
err = host_to_target_semid_ds(target_su.buf, &dsarg); |
| 2677 |
if (err)
|
| 2678 |
return err;
|
| 2679 |
break;
|
| 2680 |
case IPC_INFO:
|
| 2681 |
case SEM_INFO:
|
| 2682 |
arg.__buf = &seminfo; |
| 2683 |
ret = get_errno(semctl(semid, semnum, cmd, arg)); |
| 2684 |
err = host_to_target_seminfo(target_su.__buf, &seminfo); |
| 2685 |
if (err)
|
| 2686 |
return err;
|
| 2687 |
break;
|
| 2688 |
case IPC_RMID:
|
| 2689 |
case GETPID:
|
| 2690 |
case GETNCNT:
|
| 2691 |
case GETZCNT:
|
| 2692 |
ret = get_errno(semctl(semid, semnum, cmd, NULL));
|
| 2693 |
break;
|
| 2694 |
} |
| 2695 |
|
| 2696 |
return ret;
|
| 2697 |
} |
| 2698 |
|
| 2699 |
struct target_sembuf {
|
| 2700 |
unsigned short sem_num; |
| 2701 |
short sem_op;
|
| 2702 |
short sem_flg;
|
| 2703 |
}; |
| 2704 |
|
| 2705 |
static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, |
| 2706 |
abi_ulong target_addr, |
| 2707 |
unsigned nsops)
|
| 2708 |
{
|
| 2709 |
struct target_sembuf *target_sembuf;
|
| 2710 |
int i;
|
| 2711 |
|
| 2712 |
target_sembuf = lock_user(VERIFY_READ, target_addr, |
| 2713 |
nsops*sizeof(struct target_sembuf), 1); |
| 2714 |
if (!target_sembuf)
|
| 2715 |
return -TARGET_EFAULT;
|
| 2716 |
|
| 2717 |
for(i=0; i<nsops; i++) { |
| 2718 |
__get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); |
| 2719 |
__get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); |
| 2720 |
__get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); |
| 2721 |
} |
| 2722 |
|
| 2723 |
unlock_user(target_sembuf, target_addr, 0);
|
| 2724 |
|
| 2725 |
return 0; |
| 2726 |
} |
| 2727 |
|
| 2728 |
static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) |
| 2729 |
{
|
| 2730 |
struct sembuf sops[nsops];
|
| 2731 |
|
| 2732 |
if (target_to_host_sembuf(sops, ptr, nsops))
|
| 2733 |
return -TARGET_EFAULT;
|
| 2734 |
|
| 2735 |
return semop(semid, sops, nsops);
|
| 2736 |
} |
| 2737 |
|
| 2738 |
struct target_msqid_ds
|
| 2739 |
{
|
| 2740 |
struct target_ipc_perm msg_perm;
|
| 2741 |
abi_ulong msg_stime; |
| 2742 |
#if TARGET_ABI_BITS == 32 |
| 2743 |
abi_ulong __unused1; |
| 2744 |
#endif
|
| 2745 |
abi_ulong msg_rtime; |
| 2746 |
#if TARGET_ABI_BITS == 32 |
| 2747 |
abi_ulong __unused2; |
| 2748 |
#endif
|
| 2749 |
abi_ulong msg_ctime; |
| 2750 |
#if TARGET_ABI_BITS == 32 |
| 2751 |
abi_ulong __unused3; |
| 2752 |
#endif
|
| 2753 |
abi_ulong __msg_cbytes; |
| 2754 |
abi_ulong msg_qnum; |
| 2755 |
abi_ulong msg_qbytes; |
| 2756 |
abi_ulong msg_lspid; |
| 2757 |
abi_ulong msg_lrpid; |
| 2758 |
abi_ulong __unused4; |
| 2759 |
abi_ulong __unused5; |
| 2760 |
}; |
| 2761 |
|
| 2762 |
static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
| 2763 |
abi_ulong target_addr) |
| 2764 |
{
|
| 2765 |
struct target_msqid_ds *target_md;
|
| 2766 |
|
| 2767 |
if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
| 2768 |
return -TARGET_EFAULT;
|
| 2769 |
if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
|
| 2770 |
return -TARGET_EFAULT;
|
| 2771 |
host_md->msg_stime = tswapal(target_md->msg_stime); |
| 2772 |
host_md->msg_rtime = tswapal(target_md->msg_rtime); |
| 2773 |
host_md->msg_ctime = tswapal(target_md->msg_ctime); |
| 2774 |
host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); |
| 2775 |
host_md->msg_qnum = tswapal(target_md->msg_qnum); |
| 2776 |
host_md->msg_qbytes = tswapal(target_md->msg_qbytes); |
| 2777 |
host_md->msg_lspid = tswapal(target_md->msg_lspid); |
| 2778 |
host_md->msg_lrpid = tswapal(target_md->msg_lrpid); |
| 2779 |
unlock_user_struct(target_md, target_addr, 0);
|
| 2780 |
return 0; |
| 2781 |
} |
| 2782 |
|
| 2783 |
static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
| 2784 |
struct msqid_ds *host_md)
|
| 2785 |
{
|
| 2786 |
struct target_msqid_ds *target_md;
|
| 2787 |
|
| 2788 |
if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
| 2789 |
return -TARGET_EFAULT;
|
| 2790 |
if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
|
| 2791 |
return -TARGET_EFAULT;
|
| 2792 |
target_md->msg_stime = tswapal(host_md->msg_stime); |
| 2793 |
target_md->msg_rtime = tswapal(host_md->msg_rtime); |
| 2794 |
target_md->msg_ctime = tswapal(host_md->msg_ctime); |
| 2795 |
target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); |
| 2796 |
target_md->msg_qnum = tswapal(host_md->msg_qnum); |
| 2797 |
target_md->msg_qbytes = tswapal(host_md->msg_qbytes); |
| 2798 |
target_md->msg_lspid = tswapal(host_md->msg_lspid); |
| 2799 |
target_md->msg_lrpid = tswapal(host_md->msg_lrpid); |
| 2800 |
unlock_user_struct(target_md, target_addr, 1);
|
| 2801 |
return 0; |
| 2802 |
} |
| 2803 |
|
| 2804 |
struct target_msginfo {
|
| 2805 |
int msgpool;
|
| 2806 |
int msgmap;
|
| 2807 |
int msgmax;
|
| 2808 |
int msgmnb;
|
| 2809 |
int msgmni;
|
| 2810 |
int msgssz;
|
| 2811 |
int msgtql;
|
| 2812 |
unsigned short int msgseg; |
| 2813 |
}; |
| 2814 |
|
| 2815 |
static inline abi_long host_to_target_msginfo(abi_ulong target_addr, |
| 2816 |
struct msginfo *host_msginfo)
|
| 2817 |
{
|
| 2818 |
struct target_msginfo *target_msginfo;
|
| 2819 |
if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) |
| 2820 |
return -TARGET_EFAULT;
|
| 2821 |
__put_user(host_msginfo->msgpool, &target_msginfo->msgpool); |
| 2822 |
__put_user(host_msginfo->msgmap, &target_msginfo->msgmap); |
| 2823 |
__put_user(host_msginfo->msgmax, &target_msginfo->msgmax); |
| 2824 |
__put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); |
| 2825 |
__put_user(host_msginfo->msgmni, &target_msginfo->msgmni); |
| 2826 |
__put_user(host_msginfo->msgssz, &target_msginfo->msgssz); |
| 2827 |
__put_user(host_msginfo->msgtql, &target_msginfo->msgtql); |
| 2828 |
__put_user(host_msginfo->msgseg, &target_msginfo->msgseg); |
| 2829 |
unlock_user_struct(target_msginfo, target_addr, 1);
|
| 2830 |
return 0; |
| 2831 |
} |
| 2832 |
|
| 2833 |
static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) |
| 2834 |
{
|
| 2835 |
struct msqid_ds dsarg;
|
| 2836 |
struct msginfo msginfo;
|
| 2837 |
abi_long ret = -TARGET_EINVAL; |
| 2838 |
|
| 2839 |
cmd &= 0xff;
|
| 2840 |
|
| 2841 |
switch (cmd) {
|
| 2842 |
case IPC_STAT:
|
| 2843 |
case IPC_SET:
|
| 2844 |
case MSG_STAT:
|
| 2845 |
if (target_to_host_msqid_ds(&dsarg,ptr))
|
| 2846 |
return -TARGET_EFAULT;
|
| 2847 |
ret = get_errno(msgctl(msgid, cmd, &dsarg)); |
| 2848 |
if (host_to_target_msqid_ds(ptr,&dsarg))
|
| 2849 |
return -TARGET_EFAULT;
|
| 2850 |
break;
|
| 2851 |
case IPC_RMID:
|
| 2852 |
ret = get_errno(msgctl(msgid, cmd, NULL));
|
| 2853 |
break;
|
| 2854 |
case IPC_INFO:
|
| 2855 |
case MSG_INFO:
|
| 2856 |
ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
|
| 2857 |
if (host_to_target_msginfo(ptr, &msginfo))
|
| 2858 |
return -TARGET_EFAULT;
|
| 2859 |
break;
|
| 2860 |
} |
| 2861 |
|
| 2862 |
return ret;
|
| 2863 |
} |
| 2864 |
|
| 2865 |
struct target_msgbuf {
|
| 2866 |
abi_long mtype; |
| 2867 |
char mtext[1]; |
| 2868 |
}; |
| 2869 |
|
| 2870 |
static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
| 2871 |
unsigned int msgsz, int msgflg) |
| 2872 |
{
|
| 2873 |
struct target_msgbuf *target_mb;
|
| 2874 |
struct msgbuf *host_mb;
|
| 2875 |
abi_long ret = 0;
|
| 2876 |
|
| 2877 |
if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
| 2878 |
return -TARGET_EFAULT;
|
| 2879 |
host_mb = malloc(msgsz+sizeof(long)); |
| 2880 |
host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
| 2881 |
memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
| 2882 |
ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); |
| 2883 |
free(host_mb); |
| 2884 |
unlock_user_struct(target_mb, msgp, 0);
|
| 2885 |
|
| 2886 |
return ret;
|
| 2887 |
} |
| 2888 |
|
| 2889 |
static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
| 2890 |
unsigned int msgsz, abi_long msgtyp, |
| 2891 |
int msgflg)
|
| 2892 |
{
|
| 2893 |
struct target_msgbuf *target_mb;
|
| 2894 |
char *target_mtext;
|
| 2895 |
struct msgbuf *host_mb;
|
| 2896 |
abi_long ret = 0;
|
| 2897 |
|
| 2898 |
if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
| 2899 |
return -TARGET_EFAULT;
|
| 2900 |
|
| 2901 |
host_mb = g_malloc(msgsz+sizeof(long)); |
| 2902 |
ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapal(msgtyp), msgflg)); |
| 2903 |
|
| 2904 |
if (ret > 0) { |
| 2905 |
abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
|
| 2906 |
target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
|
| 2907 |
if (!target_mtext) {
|
| 2908 |
ret = -TARGET_EFAULT; |
| 2909 |
goto end;
|
| 2910 |
} |
| 2911 |
memcpy(target_mb->mtext, host_mb->mtext, ret); |
| 2912 |
unlock_user(target_mtext, target_mtext_addr, ret); |
| 2913 |
} |
| 2914 |
|
| 2915 |
target_mb->mtype = tswapal(host_mb->mtype); |
| 2916 |
|
| 2917 |
end:
|
| 2918 |
if (target_mb)
|
| 2919 |
unlock_user_struct(target_mb, msgp, 1);
|
| 2920 |
g_free(host_mb); |
| 2921 |
return ret;
|
| 2922 |
} |
| 2923 |
|
| 2924 |
struct target_shmid_ds
|
| 2925 |
{
|
| 2926 |
struct target_ipc_perm shm_perm;
|
| 2927 |
abi_ulong shm_segsz; |
| 2928 |
abi_ulong shm_atime; |
| 2929 |
#if TARGET_ABI_BITS == 32 |
| 2930 |
abi_ulong __unused1; |
| 2931 |
#endif
|
| 2932 |
abi_ulong shm_dtime; |
| 2933 |
#if TARGET_ABI_BITS == 32 |
| 2934 |
abi_ulong __unused2; |
| 2935 |
#endif
|
| 2936 |
abi_ulong shm_ctime; |
| 2937 |
#if TARGET_ABI_BITS == 32 |
| 2938 |
abi_ulong __unused3; |
| 2939 |
#endif
|
| 2940 |
int shm_cpid;
|
| 2941 |
int shm_lpid;
|
| 2942 |
abi_ulong shm_nattch; |
| 2943 |
unsigned long int __unused4; |
| 2944 |
unsigned long int __unused5; |
| 2945 |
}; |
| 2946 |
|
| 2947 |
static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
| 2948 |
abi_ulong target_addr) |
| 2949 |
{
|
| 2950 |
struct target_shmid_ds *target_sd;
|
| 2951 |
|
| 2952 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
| 2953 |
return -TARGET_EFAULT;
|
| 2954 |
if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
|
| 2955 |
return -TARGET_EFAULT;
|
| 2956 |
__get_user(host_sd->shm_segsz, &target_sd->shm_segsz); |
| 2957 |
__get_user(host_sd->shm_atime, &target_sd->shm_atime); |
| 2958 |
__get_user(host_sd->shm_dtime, &target_sd->shm_dtime); |
| 2959 |
__get_user(host_sd->shm_ctime, &target_sd->shm_ctime); |
| 2960 |
__get_user(host_sd->shm_cpid, &target_sd->shm_cpid); |
| 2961 |
__get_user(host_sd->shm_lpid, &target_sd->shm_lpid); |
| 2962 |
__get_user(host_sd->shm_nattch, &target_sd->shm_nattch); |
| 2963 |
unlock_user_struct(target_sd, target_addr, 0);
|
| 2964 |
return 0; |
| 2965 |
} |
| 2966 |
|
| 2967 |
static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, |
| 2968 |
struct shmid_ds *host_sd)
|
| 2969 |
{
|
| 2970 |
struct target_shmid_ds *target_sd;
|
| 2971 |
|
| 2972 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
| 2973 |
return -TARGET_EFAULT;
|
| 2974 |
if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
|
| 2975 |
return -TARGET_EFAULT;
|
| 2976 |
__put_user(host_sd->shm_segsz, &target_sd->shm_segsz); |
| 2977 |
__put_user(host_sd->shm_atime, &target_sd->shm_atime); |
| 2978 |
__put_user(host_sd->shm_dtime, &target_sd->shm_dtime); |
| 2979 |
__put_user(host_sd->shm_ctime, &target_sd->shm_ctime); |
| 2980 |
__put_user(host_sd->shm_cpid, &target_sd->shm_cpid); |
| 2981 |
__put_user(host_sd->shm_lpid, &target_sd->shm_lpid); |
| 2982 |
__put_user(host_sd->shm_nattch, &target_sd->shm_nattch); |
| 2983 |
unlock_user_struct(target_sd, target_addr, 1);
|
| 2984 |
return 0; |
| 2985 |
} |
| 2986 |
|
| 2987 |
struct target_shminfo {
|
| 2988 |
abi_ulong shmmax; |
| 2989 |
abi_ulong shmmin; |
| 2990 |
abi_ulong shmmni; |
| 2991 |
abi_ulong shmseg; |
| 2992 |
abi_ulong shmall; |
| 2993 |
}; |
| 2994 |
|
| 2995 |
static inline abi_long host_to_target_shminfo(abi_ulong target_addr, |
| 2996 |
struct shminfo *host_shminfo)
|
| 2997 |
{
|
| 2998 |
struct target_shminfo *target_shminfo;
|
| 2999 |
if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) |
| 3000 |
return -TARGET_EFAULT;
|
| 3001 |
__put_user(host_shminfo->shmmax, &target_shminfo->shmmax); |
| 3002 |
__put_user(host_shminfo->shmmin, &target_shminfo->shmmin); |
| 3003 |
__put_user(host_shminfo->shmmni, &target_shminfo->shmmni); |
| 3004 |
__put_user(host_shminfo->shmseg, &target_shminfo->shmseg); |
| 3005 |
__put_user(host_shminfo->shmall, &target_shminfo->shmall); |
| 3006 |
unlock_user_struct(target_shminfo, target_addr, 1);
|
| 3007 |
return 0; |
| 3008 |
} |
| 3009 |
|
| 3010 |
struct target_shm_info {
|
| 3011 |
int used_ids;
|
| 3012 |
abi_ulong shm_tot; |
| 3013 |
abi_ulong shm_rss; |
| 3014 |
abi_ulong shm_swp; |
| 3015 |
abi_ulong swap_attempts; |
| 3016 |
abi_ulong swap_successes; |
| 3017 |
}; |
| 3018 |
|
| 3019 |
static inline abi_long host_to_target_shm_info(abi_ulong target_addr, |
| 3020 |
struct shm_info *host_shm_info)
|
| 3021 |
{
|
| 3022 |
struct target_shm_info *target_shm_info;
|
| 3023 |
if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) |
| 3024 |
return -TARGET_EFAULT;
|
| 3025 |
__put_user(host_shm_info->used_ids, &target_shm_info->used_ids); |
| 3026 |
__put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); |
| 3027 |
__put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); |
| 3028 |
__put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); |
| 3029 |
__put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); |
| 3030 |
__put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); |
| 3031 |
unlock_user_struct(target_shm_info, target_addr, 1);
|
| 3032 |
return 0; |
| 3033 |
} |
| 3034 |
|
| 3035 |
static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) |
| 3036 |
{
|
| 3037 |
struct shmid_ds dsarg;
|
| 3038 |
struct shminfo shminfo;
|
| 3039 |
struct shm_info shm_info;
|
| 3040 |
abi_long ret = -TARGET_EINVAL; |
| 3041 |
|
| 3042 |
cmd &= 0xff;
|
| 3043 |
|
| 3044 |
switch(cmd) {
|
| 3045 |
case IPC_STAT:
|
| 3046 |
case IPC_SET:
|
| 3047 |
case SHM_STAT:
|
| 3048 |
if (target_to_host_shmid_ds(&dsarg, buf))
|
| 3049 |
return -TARGET_EFAULT;
|
| 3050 |
ret = get_errno(shmctl(shmid, cmd, &dsarg)); |
| 3051 |
if (host_to_target_shmid_ds(buf, &dsarg))
|
| 3052 |
return -TARGET_EFAULT;
|
| 3053 |
break;
|
| 3054 |
case IPC_INFO:
|
| 3055 |
ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
|
| 3056 |
if (host_to_target_shminfo(buf, &shminfo))
|
| 3057 |
return -TARGET_EFAULT;
|
| 3058 |
break;
|
| 3059 |
case SHM_INFO:
|
| 3060 |
ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
|
| 3061 |
if (host_to_target_shm_info(buf, &shm_info))
|
| 3062 |
return -TARGET_EFAULT;
|
| 3063 |
break;
|
| 3064 |
case IPC_RMID:
|
| 3065 |
case SHM_LOCK:
|
| 3066 |
case SHM_UNLOCK:
|
| 3067 |
ret = get_errno(shmctl(shmid, cmd, NULL));
|
| 3068 |
break;
|
| 3069 |
} |
| 3070 |
|
| 3071 |
return ret;
|
| 3072 |
} |
| 3073 |
|
| 3074 |
static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg) |
| 3075 |
{
|
| 3076 |
abi_long raddr; |
| 3077 |
void *host_raddr;
|
| 3078 |
struct shmid_ds shm_info;
|
| 3079 |
int i,ret;
|
| 3080 |
|
| 3081 |
/* find out the length of the shared memory segment */
|
| 3082 |
ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); |
| 3083 |
if (is_error(ret)) {
|
| 3084 |
/* can't get length, bail out */
|
| 3085 |
return ret;
|
| 3086 |
} |
| 3087 |
|
| 3088 |
mmap_lock(); |
| 3089 |
|
| 3090 |
if (shmaddr)
|
| 3091 |
host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
|
| 3092 |
else {
|
| 3093 |
abi_ulong mmap_start; |
| 3094 |
|
| 3095 |
mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
|
| 3096 |
|
| 3097 |
if (mmap_start == -1) { |
| 3098 |
errno = ENOMEM; |
| 3099 |
host_raddr = (void *)-1; |
| 3100 |
} else
|
| 3101 |
host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); |
| 3102 |
} |
| 3103 |
|
| 3104 |
if (host_raddr == (void *)-1) { |
| 3105 |
mmap_unlock(); |
| 3106 |
return get_errno((long)host_raddr); |
| 3107 |
} |
| 3108 |
raddr=h2g((unsigned long)host_raddr); |
| 3109 |
|
| 3110 |
page_set_flags(raddr, raddr + shm_info.shm_segsz, |
| 3111 |
PAGE_VALID | PAGE_READ | |
| 3112 |
((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
|
| 3113 |
|
| 3114 |
for (i = 0; i < N_SHM_REGIONS; i++) { |
| 3115 |
if (shm_regions[i].start == 0) { |
| 3116 |
shm_regions[i].start = raddr; |
| 3117 |
shm_regions[i].size = shm_info.shm_segsz; |
| 3118 |
break;
|
| 3119 |
} |
| 3120 |
} |
| 3121 |
|
| 3122 |
mmap_unlock(); |
| 3123 |
return raddr;
|
| 3124 |
|
| 3125 |
} |
| 3126 |
|
| 3127 |
static inline abi_long do_shmdt(abi_ulong shmaddr) |
| 3128 |
{
|
| 3129 |
int i;
|
| 3130 |
|
| 3131 |
for (i = 0; i < N_SHM_REGIONS; ++i) { |
| 3132 |
if (shm_regions[i].start == shmaddr) {
|
| 3133 |
shm_regions[i].start = 0;
|
| 3134 |
page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
|
| 3135 |
break;
|
| 3136 |
} |
| 3137 |
} |
| 3138 |
|
| 3139 |
return get_errno(shmdt(g2h(shmaddr)));
|
| 3140 |
} |
| 3141 |
|
| 3142 |
#ifdef TARGET_NR_ipc
|
| 3143 |
/* ??? This only works with linear mappings. */
|
| 3144 |
/* do_ipc() must return target values and target errnos. */
|
| 3145 |
static abi_long do_ipc(unsigned int call, int first, |
| 3146 |
int second, int third, |
| 3147 |
abi_long ptr, abi_long fifth) |
| 3148 |
{
|
| 3149 |
int version;
|
| 3150 |
abi_long ret = 0;
|
| 3151 |
|
| 3152 |
version = call >> 16;
|
| 3153 |
call &= 0xffff;
|
| 3154 |
|
| 3155 |
switch (call) {
|
| 3156 |
case IPCOP_semop:
|
| 3157 |
ret = do_semop(first, ptr, second); |
| 3158 |
break;
|
| 3159 |
|
| 3160 |
case IPCOP_semget:
|
| 3161 |
ret = get_errno(semget(first, second, third)); |
| 3162 |
break;
|
| 3163 |
|
| 3164 |
case IPCOP_semctl:
|
| 3165 |
ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
|
| 3166 |
break;
|
| 3167 |
|
| 3168 |
case IPCOP_msgget:
|
| 3169 |
ret = get_errno(msgget(first, second)); |
| 3170 |
break;
|
| 3171 |
|
| 3172 |
case IPCOP_msgsnd:
|
| 3173 |
ret = do_msgsnd(first, ptr, second, third); |
| 3174 |
break;
|
| 3175 |
|
| 3176 |
case IPCOP_msgctl:
|
| 3177 |
ret = do_msgctl(first, second, ptr); |
| 3178 |
break;
|
| 3179 |
|
| 3180 |
case IPCOP_msgrcv:
|
| 3181 |
switch (version) {
|
| 3182 |
case 0: |
| 3183 |
{
|
| 3184 |
struct target_ipc_kludge {
|
| 3185 |
abi_long msgp; |
| 3186 |
abi_long msgtyp; |
| 3187 |
} *tmp; |
| 3188 |
|
| 3189 |
if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { |
| 3190 |
ret = -TARGET_EFAULT; |
| 3191 |
break;
|
| 3192 |
} |
| 3193 |
|
| 3194 |
ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third); |
| 3195 |
|
| 3196 |
unlock_user_struct(tmp, ptr, 0);
|
| 3197 |
break;
|
| 3198 |
} |
| 3199 |
default:
|
| 3200 |
ret = do_msgrcv(first, ptr, second, fifth, third); |
| 3201 |
} |
| 3202 |
break;
|
| 3203 |
|
| 3204 |
case IPCOP_shmat:
|
| 3205 |
switch (version) {
|
| 3206 |
default:
|
| 3207 |
{
|
| 3208 |
abi_ulong raddr; |
| 3209 |
raddr = do_shmat(first, ptr, second); |
| 3210 |
if (is_error(raddr))
|
| 3211 |
return get_errno(raddr);
|
| 3212 |
if (put_user_ual(raddr, third))
|
| 3213 |
return -TARGET_EFAULT;
|
| 3214 |
break;
|
| 3215 |
} |
| 3216 |
case 1: |
| 3217 |
ret = -TARGET_EINVAL; |
| 3218 |
break;
|
| 3219 |
} |
| 3220 |
break;
|
| 3221 |
case IPCOP_shmdt:
|
| 3222 |
ret = do_shmdt(ptr); |
| 3223 |
break;
|
| 3224 |
|
| 3225 |
case IPCOP_shmget:
|
| 3226 |
/* IPC_* flag values are the same on all linux platforms */
|
| 3227 |
ret = get_errno(shmget(first, second, third)); |
| 3228 |
break;
|
| 3229 |
|
| 3230 |
/* IPC_* and SHM_* command values are the same on all linux platforms */
|
| 3231 |
case IPCOP_shmctl:
|
| 3232 |
ret = do_shmctl(first, second, third); |
| 3233 |
break;
|
| 3234 |
default:
|
| 3235 |
gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
|
| 3236 |
ret = -TARGET_ENOSYS; |
| 3237 |
break;
|
| 3238 |
} |
| 3239 |
return ret;
|
| 3240 |
} |
| 3241 |
#endif
|
| 3242 |
|
| 3243 |
/* kernel structure types definitions */
|
| 3244 |
|
| 3245 |
#define STRUCT(name, ...) STRUCT_ ## name, |
| 3246 |
#define STRUCT_SPECIAL(name) STRUCT_ ## name, |
| 3247 |
enum {
|
| 3248 |
#include "syscall_types.h" |
| 3249 |
}; |
| 3250 |
#undef STRUCT
|
| 3251 |
#undef STRUCT_SPECIAL
|
| 3252 |
|
| 3253 |
#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
| 3254 |
#define STRUCT_SPECIAL(name)
|
| 3255 |
#include "syscall_types.h" |
| 3256 |
#undef STRUCT
|
| 3257 |
#undef STRUCT_SPECIAL
|
| 3258 |
|
| 3259 |
typedef struct IOCTLEntry IOCTLEntry; |
| 3260 |
|
| 3261 |
typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp, |
| 3262 |
int fd, abi_long cmd, abi_long arg);
|
| 3263 |
|
| 3264 |
struct IOCTLEntry {
|
| 3265 |
unsigned int target_cmd; |
| 3266 |
unsigned int host_cmd; |
| 3267 |
const char *name; |
| 3268 |
int access;
|
| 3269 |
do_ioctl_fn *do_ioctl; |
| 3270 |
const argtype arg_type[5]; |
| 3271 |
}; |
| 3272 |
|
| 3273 |
#define IOC_R 0x0001 |
| 3274 |
#define IOC_W 0x0002 |
| 3275 |
#define IOC_RW (IOC_R | IOC_W)
|
| 3276 |
|
| 3277 |
#define MAX_STRUCT_SIZE 4096 |
| 3278 |
|
| 3279 |
#ifdef CONFIG_FIEMAP
|
| 3280 |
/* So fiemap access checks don't overflow on 32 bit systems.
|
| 3281 |
* This is very slightly smaller than the limit imposed by
|
| 3282 |
* the underlying kernel.
|
| 3283 |
*/
|
| 3284 |
#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ |
| 3285 |
/ sizeof(struct fiemap_extent)) |
| 3286 |
|
| 3287 |
static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, |
| 3288 |
int fd, abi_long cmd, abi_long arg)
|
| 3289 |
{
|
| 3290 |
/* The parameter for this ioctl is a struct fiemap followed
|
| 3291 |
* by an array of struct fiemap_extent whose size is set
|
| 3292 |
* in fiemap->fm_extent_count. The array is filled in by the
|
| 3293 |
* ioctl.
|
| 3294 |
*/
|
| 3295 |
int target_size_in, target_size_out;
|
| 3296 |
struct fiemap *fm;
|
| 3297 |
const argtype *arg_type = ie->arg_type;
|
| 3298 |
const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
|
| 3299 |
void *argptr, *p;
|
| 3300 |
abi_long ret; |
| 3301 |
int i, extent_size = thunk_type_size(extent_arg_type, 0); |
| 3302 |
uint32_t outbufsz; |
| 3303 |
int free_fm = 0; |
| 3304 |
|
| 3305 |
assert(arg_type[0] == TYPE_PTR);
|
| 3306 |
assert(ie->access == IOC_RW); |
| 3307 |
arg_type++; |
| 3308 |
target_size_in = thunk_type_size(arg_type, 0);
|
| 3309 |
argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
|
| 3310 |
if (!argptr) {
|
| 3311 |
return -TARGET_EFAULT;
|
| 3312 |
} |
| 3313 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
| 3314 |
unlock_user(argptr, arg, 0);
|
| 3315 |
fm = (struct fiemap *)buf_temp;
|
| 3316 |
if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
|
| 3317 |
return -TARGET_EINVAL;
|
| 3318 |
} |
| 3319 |
|
| 3320 |
outbufsz = sizeof (*fm) +
|
| 3321 |
(sizeof(struct fiemap_extent) * fm->fm_extent_count); |
| 3322 |
|
| 3323 |
if (outbufsz > MAX_STRUCT_SIZE) {
|
| 3324 |
/* We can't fit all the extents into the fixed size buffer.
|
| 3325 |
* Allocate one that is large enough and use it instead.
|
| 3326 |
*/
|
| 3327 |
fm = malloc(outbufsz); |
| 3328 |
if (!fm) {
|
| 3329 |
return -TARGET_ENOMEM;
|
| 3330 |
} |
| 3331 |
memcpy(fm, buf_temp, sizeof(struct fiemap)); |
| 3332 |
free_fm = 1;
|
| 3333 |
} |
| 3334 |
ret = get_errno(ioctl(fd, ie->host_cmd, fm)); |
| 3335 |
if (!is_error(ret)) {
|
| 3336 |
target_size_out = target_size_in; |
| 3337 |
/* An extent_count of 0 means we were only counting the extents
|
| 3338 |
* so there are no structs to copy
|
| 3339 |
*/
|
| 3340 |
if (fm->fm_extent_count != 0) { |
| 3341 |
target_size_out += fm->fm_mapped_extents * extent_size; |
| 3342 |
} |
| 3343 |
argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
|
| 3344 |
if (!argptr) {
|
| 3345 |
ret = -TARGET_EFAULT; |
| 3346 |
} else {
|
| 3347 |
/* Convert the struct fiemap */
|
| 3348 |
thunk_convert(argptr, fm, arg_type, THUNK_TARGET); |
| 3349 |
if (fm->fm_extent_count != 0) { |
| 3350 |
p = argptr + target_size_in; |
| 3351 |
/* ...and then all the struct fiemap_extents */
|
| 3352 |
for (i = 0; i < fm->fm_mapped_extents; i++) { |
| 3353 |
thunk_convert(p, &fm->fm_extents[i], extent_arg_type, |
| 3354 |
THUNK_TARGET); |
| 3355 |
p += extent_size; |
| 3356 |
} |
| 3357 |
} |
| 3358 |
unlock_user(argptr, arg, target_size_out); |
| 3359 |
} |
| 3360 |
} |
| 3361 |
if (free_fm) {
|
| 3362 |
free(fm); |
| 3363 |
} |
| 3364 |
return ret;
|
| 3365 |
} |
| 3366 |
#endif
|
| 3367 |
|
| 3368 |
static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
| 3369 |
int fd, abi_long cmd, abi_long arg)
|
| 3370 |
{
|
| 3371 |
const argtype *arg_type = ie->arg_type;
|
| 3372 |
int target_size;
|
| 3373 |
void *argptr;
|
| 3374 |
int ret;
|
| 3375 |
struct ifconf *host_ifconf;
|
| 3376 |
uint32_t outbufsz; |
| 3377 |
const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
|
| 3378 |
int target_ifreq_size;
|
| 3379 |
int nb_ifreq;
|
| 3380 |
int free_buf = 0; |
| 3381 |
int i;
|
| 3382 |
int target_ifc_len;
|
| 3383 |
abi_long target_ifc_buf; |
| 3384 |
int host_ifc_len;
|
| 3385 |
char *host_ifc_buf;
|
| 3386 |
|
| 3387 |
assert(arg_type[0] == TYPE_PTR);
|
| 3388 |
assert(ie->access == IOC_RW); |
| 3389 |
|
| 3390 |
arg_type++; |
| 3391 |
target_size = thunk_type_size(arg_type, 0);
|
| 3392 |
|
| 3393 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
| 3394 |
if (!argptr)
|
| 3395 |
return -TARGET_EFAULT;
|
| 3396 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
| 3397 |
unlock_user(argptr, arg, 0);
|
| 3398 |
|
| 3399 |
host_ifconf = (struct ifconf *)(unsigned long)buf_temp; |
| 3400 |
target_ifc_len = host_ifconf->ifc_len; |
| 3401 |
target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; |
| 3402 |
|
| 3403 |
target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
|
| 3404 |
nb_ifreq = target_ifc_len / target_ifreq_size; |
| 3405 |
host_ifc_len = nb_ifreq * sizeof(struct ifreq); |
| 3406 |
|
| 3407 |
outbufsz = sizeof(*host_ifconf) + host_ifc_len;
|
| 3408 |
if (outbufsz > MAX_STRUCT_SIZE) {
|
| 3409 |
/* We can't fit all the extents into the fixed size buffer.
|
| 3410 |
* Allocate one that is large enough and use it instead.
|
| 3411 |
*/
|
| 3412 |
host_ifconf = malloc(outbufsz); |
| 3413 |
if (!host_ifconf) {
|
| 3414 |
return -TARGET_ENOMEM;
|
| 3415 |
} |
| 3416 |
memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
|
| 3417 |
free_buf = 1;
|
| 3418 |
} |
| 3419 |
host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf); |
| 3420 |
|
| 3421 |
host_ifconf->ifc_len = host_ifc_len; |
| 3422 |
host_ifconf->ifc_buf = host_ifc_buf; |
| 3423 |
|
| 3424 |
ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf)); |
| 3425 |
if (!is_error(ret)) {
|
| 3426 |
/* convert host ifc_len to target ifc_len */
|
| 3427 |
|
| 3428 |
nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); |
| 3429 |
target_ifc_len = nb_ifreq * target_ifreq_size; |
| 3430 |
host_ifconf->ifc_len = target_ifc_len; |
| 3431 |
|
| 3432 |
/* restore target ifc_buf */
|
| 3433 |
|
| 3434 |
host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; |
| 3435 |
|
| 3436 |
/* copy struct ifconf to target user */
|
| 3437 |
|
| 3438 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
| 3439 |
if (!argptr)
|
| 3440 |
return -TARGET_EFAULT;
|
| 3441 |
thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); |
| 3442 |
unlock_user(argptr, arg, target_size); |
| 3443 |
|
| 3444 |
/* copy ifreq[] to target user */
|
| 3445 |
|
| 3446 |
argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
|
| 3447 |
for (i = 0; i < nb_ifreq ; i++) { |
| 3448 |
thunk_convert(argptr + i * target_ifreq_size, |
| 3449 |
host_ifc_buf + i * sizeof(struct ifreq), |
| 3450 |
ifreq_arg_type, THUNK_TARGET); |
| 3451 |
} |
| 3452 |
unlock_user(argptr, target_ifc_buf, target_ifc_len); |
| 3453 |
} |
| 3454 |
|
| 3455 |
if (free_buf) {
|
| 3456 |
free(host_ifconf); |
| 3457 |
} |
| 3458 |
|
| 3459 |
return ret;
|
| 3460 |
} |
| 3461 |
|
| 3462 |
static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
| 3463 |
abi_long cmd, abi_long arg) |
| 3464 |
{
|
| 3465 |
void *argptr;
|
| 3466 |
struct dm_ioctl *host_dm;
|
| 3467 |
abi_long guest_data; |
| 3468 |
uint32_t guest_data_size; |
| 3469 |
int target_size;
|
| 3470 |
const argtype *arg_type = ie->arg_type;
|
| 3471 |
abi_long ret; |
| 3472 |
void *big_buf = NULL; |
| 3473 |
char *host_data;
|
| 3474 |
|
| 3475 |
arg_type++; |
| 3476 |
target_size = thunk_type_size(arg_type, 0);
|
| 3477 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
| 3478 |
if (!argptr) {
|
| 3479 |
ret = -TARGET_EFAULT; |
| 3480 |
goto out;
|
| 3481 |
} |
| 3482 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
| 3483 |
unlock_user(argptr, arg, 0);
|
| 3484 |
|
| 3485 |
/* buf_temp is too small, so fetch things into a bigger buffer */
|
| 3486 |
big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); |
| 3487 |
memcpy(big_buf, buf_temp, target_size); |
| 3488 |
buf_temp = big_buf; |
| 3489 |
host_dm = big_buf; |
| 3490 |
|
| 3491 |
guest_data = arg + host_dm->data_start; |
| 3492 |
if ((guest_data - arg) < 0) { |
| 3493 |
ret = -EINVAL; |
| 3494 |
goto out;
|
| 3495 |
} |
| 3496 |
guest_data_size = host_dm->data_size - host_dm->data_start; |
| 3497 |
host_data = (char*)host_dm + host_dm->data_start;
|
| 3498 |
|
| 3499 |
argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
|
| 3500 |
switch (ie->host_cmd) {
|
| 3501 |
case DM_REMOVE_ALL:
|
| 3502 |
case DM_LIST_DEVICES:
|
| 3503 |
case DM_DEV_CREATE:
|
| 3504 |
case DM_DEV_REMOVE:
|
| 3505 |
case DM_DEV_SUSPEND:
|
| 3506 |
case DM_DEV_STATUS:
|
| 3507 |
case DM_DEV_WAIT:
|
| 3508 |
case DM_TABLE_STATUS:
|
| 3509 |
case DM_TABLE_CLEAR:
|
| 3510 |
case DM_TABLE_DEPS:
|
| 3511 |
case DM_LIST_VERSIONS:
|
| 3512 |
/* no input data */
|
| 3513 |
break;
|
| 3514 |
case DM_DEV_RENAME:
|
| 3515 |
case DM_DEV_SET_GEOMETRY:
|
| 3516 |
/* data contains only strings */
|
| 3517 |
memcpy(host_data, argptr, guest_data_size); |
| 3518 |
break;
|
| 3519 |
case DM_TARGET_MSG:
|
| 3520 |
memcpy(host_data, argptr, guest_data_size); |
| 3521 |
*(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); |
| 3522 |
break;
|
| 3523 |
case DM_TABLE_LOAD:
|
| 3524 |
{
|
| 3525 |
void *gspec = argptr;
|
| 3526 |
void *cur_data = host_data;
|
| 3527 |
const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
|
| 3528 |
int spec_size = thunk_type_size(arg_type, 0); |
| 3529 |
int i;
|
| 3530 |
|
| 3531 |
for (i = 0; i < host_dm->target_count; i++) { |
| 3532 |
struct dm_target_spec *spec = cur_data;
|
| 3533 |
uint32_t next; |
| 3534 |
int slen;
|
| 3535 |
|
| 3536 |
thunk_convert(spec, gspec, arg_type, THUNK_HOST); |
| 3537 |
slen = strlen((char*)gspec + spec_size) + 1; |
| 3538 |
next = spec->next; |
| 3539 |
spec->next = sizeof(*spec) + slen;
|
| 3540 |
strcpy((char*)&spec[1], gspec + spec_size); |
| 3541 |
gspec += next; |
| 3542 |
cur_data += spec->next; |
| 3543 |
} |
| 3544 |
break;
|
| 3545 |
} |
| 3546 |
default:
|
| 3547 |
ret = -TARGET_EINVAL; |
| 3548 |
goto out;
|
| 3549 |
} |
| 3550 |
unlock_user(argptr, guest_data, 0);
|
| 3551 |
|
| 3552 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| 3553 |
if (!is_error(ret)) {
|
| 3554 |
guest_data = arg + host_dm->data_start; |
| 3555 |
guest_data_size = host_dm->data_size - host_dm->data_start; |
| 3556 |
argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
|
| 3557 |
switch (ie->host_cmd) {
|
| 3558 |
case DM_REMOVE_ALL:
|
| 3559 |
case DM_DEV_CREATE:
|
| 3560 |
case DM_DEV_REMOVE:
|
| 3561 |
case DM_DEV_RENAME:
|
| 3562 |
case DM_DEV_SUSPEND:
|
| 3563 |
case DM_DEV_STATUS:
|
| 3564 |
case DM_TABLE_LOAD:
|
| 3565 |
case DM_TABLE_CLEAR:
|
| 3566 |
case DM_TARGET_MSG:
|
| 3567 |
case DM_DEV_SET_GEOMETRY:
|
| 3568 |
/* no return data */
|
| 3569 |
break;
|
| 3570 |
case DM_LIST_DEVICES:
|
| 3571 |
{
|
| 3572 |
struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; |
| 3573 |
uint32_t remaining_data = guest_data_size; |
| 3574 |
void *cur_data = argptr;
|
| 3575 |
const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
|
| 3576 |
int nl_size = 12; /* can't use thunk_size due to alignment */ |
| 3577 |
|
| 3578 |
while (1) { |
| 3579 |
uint32_t next = nl->next; |
| 3580 |
if (next) {
|
| 3581 |
nl->next = nl_size + (strlen(nl->name) + 1);
|
| 3582 |
} |
| 3583 |
if (remaining_data < nl->next) {
|
| 3584 |
host_dm->flags |= DM_BUFFER_FULL_FLAG; |
| 3585 |
break;
|
| 3586 |
} |
| 3587 |
thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); |
| 3588 |
strcpy(cur_data + nl_size, nl->name); |
| 3589 |
cur_data += nl->next; |
| 3590 |
remaining_data -= nl->next; |
| 3591 |
if (!next) {
|
| 3592 |
break;
|
| 3593 |
} |
| 3594 |
nl = (void*)nl + next;
|
| 3595 |
} |
| 3596 |
break;
|
| 3597 |
} |
| 3598 |
case DM_DEV_WAIT:
|
| 3599 |
case DM_TABLE_STATUS:
|
| 3600 |
{
|
| 3601 |
struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; |
| 3602 |
void *cur_data = argptr;
|
| 3603 |
const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
|
| 3604 |
int spec_size = thunk_type_size(arg_type, 0); |
| 3605 |
int i;
|
| 3606 |
|
| 3607 |
for (i = 0; i < host_dm->target_count; i++) { |
| 3608 |
uint32_t next = spec->next; |
| 3609 |
int slen = strlen((char*)&spec[1]) + 1; |
| 3610 |
spec->next = (cur_data - argptr) + spec_size + slen; |
| 3611 |
if (guest_data_size < spec->next) {
|
| 3612 |
host_dm->flags |= DM_BUFFER_FULL_FLAG; |
| 3613 |
break;
|
| 3614 |
} |
| 3615 |
thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); |
| 3616 |
strcpy(cur_data + spec_size, (char*)&spec[1]); |
| 3617 |
cur_data = argptr + spec->next; |
| 3618 |
spec = (void*)host_dm + host_dm->data_start + next;
|
| 3619 |
} |
| 3620 |
break;
|
| 3621 |
} |
| 3622 |
case DM_TABLE_DEPS:
|
| 3623 |
{
|
| 3624 |
void *hdata = (void*)host_dm + host_dm->data_start; |
| 3625 |
int count = *(uint32_t*)hdata;
|
| 3626 |
uint64_t *hdev = hdata + 8;
|
| 3627 |
uint64_t *gdev = argptr + 8;
|
| 3628 |
int i;
|
| 3629 |
|
| 3630 |
*(uint32_t*)argptr = tswap32(count); |
| 3631 |
for (i = 0; i < count; i++) { |
| 3632 |
*gdev = tswap64(*hdev); |
| 3633 |
gdev++; |
| 3634 |
hdev++; |
| 3635 |
} |
| 3636 |
break;
|
| 3637 |
} |
| 3638 |
case DM_LIST_VERSIONS:
|
| 3639 |
{
|
| 3640 |
struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; |
| 3641 |
uint32_t remaining_data = guest_data_size; |
| 3642 |
void *cur_data = argptr;
|
| 3643 |
const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
|
| 3644 |
int vers_size = thunk_type_size(arg_type, 0); |
| 3645 |
|
| 3646 |
while (1) { |
| 3647 |
uint32_t next = vers->next; |
| 3648 |
if (next) {
|
| 3649 |
vers->next = vers_size + (strlen(vers->name) + 1);
|
| 3650 |
} |
| 3651 |
if (remaining_data < vers->next) {
|
| 3652 |
host_dm->flags |= DM_BUFFER_FULL_FLAG; |
| 3653 |
break;
|
| 3654 |
} |
| 3655 |
thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); |
| 3656 |
strcpy(cur_data + vers_size, vers->name); |
| 3657 |
cur_data += vers->next; |
| 3658 |
remaining_data -= vers->next; |
| 3659 |
if (!next) {
|
| 3660 |
break;
|
| 3661 |
} |
| 3662 |
vers = (void*)vers + next;
|
| 3663 |
} |
| 3664 |
break;
|
| 3665 |
} |
| 3666 |
default:
|
| 3667 |
ret = -TARGET_EINVAL; |
| 3668 |
goto out;
|
| 3669 |
} |
| 3670 |
unlock_user(argptr, guest_data, guest_data_size); |
| 3671 |
|
| 3672 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
| 3673 |
if (!argptr) {
|
| 3674 |
ret = -TARGET_EFAULT; |
| 3675 |
goto out;
|
| 3676 |
} |
| 3677 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
| 3678 |
unlock_user(argptr, arg, target_size); |
| 3679 |
} |
| 3680 |
out:
|
| 3681 |
g_free(big_buf); |
| 3682 |
return ret;
|
| 3683 |
} |
| 3684 |
|
| 3685 |
static IOCTLEntry ioctl_entries[] = {
|
| 3686 |
#define IOCTL(cmd, access, ...) \
|
| 3687 |
{ TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
|
| 3688 |
#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
|
| 3689 |
{ TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
|
| 3690 |
#include "ioctls.h" |
| 3691 |
{ 0, 0, },
|
| 3692 |
}; |
| 3693 |
|
| 3694 |
/* ??? Implement proper locking for ioctls. */
|
| 3695 |
/* do_ioctl() Must return target values and target errnos. */
|
| 3696 |
static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) |
| 3697 |
{
|
| 3698 |
const IOCTLEntry *ie;
|
| 3699 |
const argtype *arg_type;
|
| 3700 |
abi_long ret; |
| 3701 |
uint8_t buf_temp[MAX_STRUCT_SIZE]; |
| 3702 |
int target_size;
|
| 3703 |
void *argptr;
|
| 3704 |
|
| 3705 |
ie = ioctl_entries; |
| 3706 |
for(;;) {
|
| 3707 |
if (ie->target_cmd == 0) { |
| 3708 |
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
| 3709 |
return -TARGET_ENOSYS;
|
| 3710 |
} |
| 3711 |
if (ie->target_cmd == cmd)
|
| 3712 |
break;
|
| 3713 |
ie++; |
| 3714 |
} |
| 3715 |
arg_type = ie->arg_type; |
| 3716 |
#if defined(DEBUG)
|
| 3717 |
gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); |
| 3718 |
#endif
|
| 3719 |
if (ie->do_ioctl) {
|
| 3720 |
return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
|
| 3721 |
} |
| 3722 |
|
| 3723 |
switch(arg_type[0]) { |
| 3724 |
case TYPE_NULL:
|
| 3725 |
/* no argument */
|
| 3726 |
ret = get_errno(ioctl(fd, ie->host_cmd)); |
| 3727 |
break;
|
| 3728 |
case TYPE_PTRVOID:
|
| 3729 |
case TYPE_INT:
|
| 3730 |
/* int argment */
|
| 3731 |
ret = get_errno(ioctl(fd, ie->host_cmd, arg)); |
| 3732 |
break;
|
| 3733 |
case TYPE_PTR:
|
| 3734 |
arg_type++; |
| 3735 |
target_size = thunk_type_size(arg_type, 0);
|
| 3736 |
switch(ie->access) {
|
| 3737 |
case IOC_R:
|
| 3738 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| 3739 |
if (!is_error(ret)) {
|
| 3740 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
| 3741 |
if (!argptr)
|
| 3742 |
return -TARGET_EFAULT;
|
| 3743 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
| 3744 |
unlock_user(argptr, arg, target_size); |
| 3745 |
} |
| 3746 |
break;
|
| 3747 |
case IOC_W:
|
| 3748 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
| 3749 |
if (!argptr)
|
| 3750 |
return -TARGET_EFAULT;
|
| 3751 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
| 3752 |
unlock_user(argptr, arg, 0);
|
| 3753 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| 3754 |
break;
|
| 3755 |
default:
|
| 3756 |
case IOC_RW:
|
| 3757 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
| 3758 |
if (!argptr)
|
| 3759 |
return -TARGET_EFAULT;
|
| 3760 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
| 3761 |
unlock_user(argptr, arg, 0);
|
| 3762 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| 3763 |
if (!is_error(ret)) {
|
| 3764 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
| 3765 |
if (!argptr)
|
| 3766 |
return -TARGET_EFAULT;
|
| 3767 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
| 3768 |
unlock_user(argptr, arg, target_size); |
| 3769 |
} |
| 3770 |
break;
|
| 3771 |
} |
| 3772 |
break;
|
| 3773 |
default:
|
| 3774 |
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
|
| 3775 |
(long)cmd, arg_type[0]); |
| 3776 |
ret = -TARGET_ENOSYS; |
| 3777 |
break;
|
| 3778 |
} |
| 3779 |
return ret;
|
| 3780 |
} |
| 3781 |
|
| 3782 |
static const bitmask_transtbl iflag_tbl[] = { |
| 3783 |
{ TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
|
| 3784 |
{ TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
|
| 3785 |
{ TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
|
| 3786 |
{ TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
|
| 3787 |
{ TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
|
| 3788 |
{ TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
|
| 3789 |
{ TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
|
| 3790 |
{ TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
|
| 3791 |
{ TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
|
| 3792 |
{ TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
|
| 3793 |
{ TARGET_IXON, TARGET_IXON, IXON, IXON },
|
| 3794 |
{ TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
|
| 3795 |
{ TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
|
| 3796 |
{ TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
|
| 3797 |
{ 0, 0, 0, 0 }
|
| 3798 |
}; |
| 3799 |
|
| 3800 |
static const bitmask_transtbl oflag_tbl[] = { |
| 3801 |
{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
|
| 3802 |
{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
|
| 3803 |
{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
|
| 3804 |
{ TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
|
| 3805 |
{ TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
|
| 3806 |
{ TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
|
| 3807 |
{ TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
|
| 3808 |
{ TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
|
| 3809 |
{ TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
|
| 3810 |
{ TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
|
| 3811 |
{ TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
|
| 3812 |
{ TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
|
| 3813 |
{ TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
|
| 3814 |
{ TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
|
| 3815 |
{ TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
|
| 3816 |
{ TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
|
| 3817 |
{ TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
|
| 3818 |
{ TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
|
| 3819 |
{ TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
|
| 3820 |
{ TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
|
| 3821 |
{ TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
|
| 3822 |
{ TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
|
| 3823 |
{ TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
|
| 3824 |
{ TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
|
| 3825 |
{ 0, 0, 0, 0 }
|
| 3826 |
}; |
| 3827 |
|
| 3828 |
static const bitmask_transtbl cflag_tbl[] = { |
| 3829 |
{ TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
|
| 3830 |
{ TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
|
| 3831 |
{ TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
|
| 3832 |
{ TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
|
| 3833 |
{ TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
|
| 3834 |
{ TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
|
| 3835 |
{ TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
|
| 3836 |
{ TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
|
| 3837 |
{ TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
|
| 3838 |
{ TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
|
| 3839 |
{ TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
|
| 3840 |
{ TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
|
| 3841 |
{ TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
|
| 3842 |
{ TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
|
| 3843 |
{ TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
|
| 3844 |
{ TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
|
| 3845 |
{ TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
|
| 3846 |
{ TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
|
| 3847 |
{ TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
|
| 3848 |
{ TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
|
| 3849 |
{ TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
|
| 3850 |
{ TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
|
| 3851 |
{ TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
|
| 3852 |
{ TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
|
| 3853 |
{ TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
|
| 3854 |
{ TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
|
| 3855 |
{ TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
|
| 3856 |
{ TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
|
| 3857 |
{ TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
|
| 3858 |
{ TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
|
| 3859 |
{ TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
|
| 3860 |
{ 0, 0, 0, 0 }
|
| 3861 |
}; |
| 3862 |
|
| 3863 |
static const bitmask_transtbl lflag_tbl[] = { |
| 3864 |
{ TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
|
| 3865 |
{ TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
|
| 3866 |
{ TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
|
| 3867 |
{ TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
|
| 3868 |
{ TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
|
| 3869 |
{ TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
|
| 3870 |
{ TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
|
| 3871 |
{ TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
|
| 3872 |
{ TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
|
| 3873 |
{ TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
|
| 3874 |
{ TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
|
| 3875 |
{ TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
|
| 3876 |
{ TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
|
| 3877 |
{ TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
|
| 3878 |
{ TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
|
| 3879 |
{ 0, 0, 0, 0 }
|
| 3880 |
}; |
| 3881 |
|
| 3882 |
static void target_to_host_termios (void *dst, const void *src) |
| 3883 |
{
|
| 3884 |
struct host_termios *host = dst;
|
| 3885 |
const struct target_termios *target = src; |
| 3886 |
|
| 3887 |
host->c_iflag = |
| 3888 |
target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
| 3889 |
host->c_oflag = |
| 3890 |
target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
| 3891 |
host->c_cflag = |
| 3892 |
target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
| 3893 |
host->c_lflag = |
| 3894 |
target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
| 3895 |
host->c_line = target->c_line; |
| 3896 |
|
| 3897 |
memset(host->c_cc, 0, sizeof(host->c_cc)); |
| 3898 |
host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
| 3899 |
host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; |
| 3900 |
host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
| 3901 |
host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
| 3902 |
host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
| 3903 |
host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
| 3904 |
host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
| 3905 |
host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
| 3906 |
host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
| 3907 |
host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
| 3908 |
host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; |
| 3909 |
host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
| 3910 |
host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; |
| 3911 |
host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; |
| 3912 |
host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; |
| 3913 |
host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; |
| 3914 |
host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
| 3915 |
} |
| 3916 |
|
| 3917 |
static void host_to_target_termios (void *dst, const void *src) |
| 3918 |
{
|
| 3919 |
struct target_termios *target = dst;
|
| 3920 |
const struct host_termios *host = src; |
| 3921 |
|
| 3922 |
target->c_iflag = |
| 3923 |
tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
| 3924 |
target->c_oflag = |
| 3925 |
tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
| 3926 |
target->c_cflag = |
| 3927 |
tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
| 3928 |
target->c_lflag = |
| 3929 |
tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
| 3930 |
target->c_line = host->c_line; |
| 3931 |
|
| 3932 |
memset(target->c_cc, 0, sizeof(target->c_cc)); |
| 3933 |
target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
| 3934 |
target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; |
| 3935 |
target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; |
| 3936 |
target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; |
| 3937 |
target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; |
| 3938 |
target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; |
| 3939 |
target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; |
| 3940 |
target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; |
| 3941 |
target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; |
| 3942 |
target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; |
| 3943 |
target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; |
| 3944 |
target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; |
| 3945 |
target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; |
| 3946 |
target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; |
| 3947 |
target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; |
| 3948 |
target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; |
| 3949 |
target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; |
| 3950 |
} |
| 3951 |
|
| 3952 |
static const StructEntry struct_termios_def = { |
| 3953 |
.convert = { host_to_target_termios, target_to_host_termios },
|
| 3954 |
.size = { sizeof(struct target_termios), sizeof(struct host_termios) },
|
| 3955 |
.align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
|
| 3956 |
}; |
| 3957 |
|
| 3958 |
static bitmask_transtbl mmap_flags_tbl[] = {
|
| 3959 |
{ TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
|
| 3960 |
{ TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
|
| 3961 |
{ TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
|
| 3962 |
{ TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
|
| 3963 |
{ TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
|
| 3964 |
{ TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
|
| 3965 |
{ TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
|
| 3966 |
{ TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
|
| 3967 |
{ 0, 0, 0, 0 }
|
| 3968 |
}; |
| 3969 |
|
| 3970 |
#if defined(TARGET_I386)
|
| 3971 |
|
| 3972 |
/* NOTE: there is really one LDT for all the threads */
|
| 3973 |
static uint8_t *ldt_table;
|
| 3974 |
|
| 3975 |
static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
| 3976 |
{
|
| 3977 |
int size;
|
| 3978 |
void *p;
|
| 3979 |
|
| 3980 |
if (!ldt_table)
|
| 3981 |
return 0; |
| 3982 |
size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; |
| 3983 |
if (size > bytecount)
|
| 3984 |
size = bytecount; |
| 3985 |
p = lock_user(VERIFY_WRITE, ptr, size, 0);
|
| 3986 |
if (!p)
|
| 3987 |
return -TARGET_EFAULT;
|
| 3988 |
/* ??? Should this by byteswapped? */
|
| 3989 |
memcpy(p, ldt_table, size); |
| 3990 |
unlock_user(p, ptr, size); |
| 3991 |
return size;
|
| 3992 |
} |
| 3993 |
|
| 3994 |
/* XXX: add locking support */
|
| 3995 |
static abi_long write_ldt(CPUX86State *env,
|
| 3996 |
abi_ulong ptr, unsigned long bytecount, int oldmode) |
| 3997 |
{
|
| 3998 |
struct target_modify_ldt_ldt_s ldt_info;
|
| 3999 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
| 4000 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
| 4001 |
int seg_not_present, useable, lm;
|
| 4002 |
uint32_t *lp, entry_1, entry_2; |
| 4003 |
|
| 4004 |
if (bytecount != sizeof(ldt_info)) |
| 4005 |
return -TARGET_EINVAL;
|
| 4006 |
if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
| 4007 |
return -TARGET_EFAULT;
|
| 4008 |
ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
| 4009 |
ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
| 4010 |
ldt_info.limit = tswap32(target_ldt_info->limit); |
| 4011 |
ldt_info.flags = tswap32(target_ldt_info->flags); |
| 4012 |
unlock_user_struct(target_ldt_info, ptr, 0);
|
| 4013 |
|
| 4014 |
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
|
| 4015 |
return -TARGET_EINVAL;
|
| 4016 |
seg_32bit = ldt_info.flags & 1;
|
| 4017 |
contents = (ldt_info.flags >> 1) & 3; |
| 4018 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
| 4019 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
| 4020 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
| 4021 |
useable = (ldt_info.flags >> 6) & 1; |
| 4022 |
#ifdef TARGET_ABI32
|
| 4023 |
lm = 0;
|
| 4024 |
#else
|
| 4025 |
lm = (ldt_info.flags >> 7) & 1; |
| 4026 |
#endif
|
| 4027 |
if (contents == 3) { |
| 4028 |
if (oldmode)
|
| 4029 |
return -TARGET_EINVAL;
|
| 4030 |
if (seg_not_present == 0) |
| 4031 |
return -TARGET_EINVAL;
|
| 4032 |
} |
| 4033 |
/* allocate the LDT */
|
| 4034 |
if (!ldt_table) {
|
| 4035 |
env->ldt.base = target_mmap(0,
|
| 4036 |
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, |
| 4037 |
PROT_READ|PROT_WRITE, |
| 4038 |
MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); |
| 4039 |
if (env->ldt.base == -1) |
| 4040 |
return -TARGET_ENOMEM;
|
| 4041 |
memset(g2h(env->ldt.base), 0,
|
| 4042 |
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
| 4043 |
env->ldt.limit = 0xffff;
|
| 4044 |
ldt_table = g2h(env->ldt.base); |
| 4045 |
} |
| 4046 |
|
| 4047 |
/* NOTE: same code as Linux kernel */
|
| 4048 |
/* Allow LDTs to be cleared by the user. */
|
| 4049 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
| 4050 |
if (oldmode ||
|
| 4051 |
(contents == 0 &&
|
| 4052 |
read_exec_only == 1 &&
|
| 4053 |
seg_32bit == 0 &&
|
| 4054 |
limit_in_pages == 0 &&
|
| 4055 |
seg_not_present == 1 &&
|
| 4056 |
useable == 0 )) {
|
| 4057 |
entry_1 = 0;
|
| 4058 |
entry_2 = 0;
|
| 4059 |
goto install;
|
| 4060 |
} |
| 4061 |
} |
| 4062 |
|
| 4063 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
| 4064 |
(ldt_info.limit & 0x0ffff);
|
| 4065 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
| 4066 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
| 4067 |
(ldt_info.limit & 0xf0000) |
|
| 4068 |
((read_exec_only ^ 1) << 9) | |
| 4069 |
(contents << 10) |
|
| 4070 |
((seg_not_present ^ 1) << 15) | |
| 4071 |
(seg_32bit << 22) |
|
| 4072 |
(limit_in_pages << 23) |
|
| 4073 |
(lm << 21) |
|
| 4074 |
0x7000;
|
| 4075 |
if (!oldmode)
|
| 4076 |
entry_2 |= (useable << 20);
|
| 4077 |
|
| 4078 |
/* Install the new entry ... */
|
| 4079 |
install:
|
| 4080 |
lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
|
| 4081 |
lp[0] = tswap32(entry_1);
|
| 4082 |
lp[1] = tswap32(entry_2);
|
| 4083 |
return 0; |
| 4084 |
} |
| 4085 |
|
| 4086 |
/* specific and weird i386 syscalls */
|
| 4087 |
static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
| 4088 |
unsigned long bytecount) |
| 4089 |
{
|
| 4090 |
abi_long ret; |
| 4091 |
|
| 4092 |
switch (func) {
|
| 4093 |
case 0: |
| 4094 |
ret = read_ldt(ptr, bytecount); |
| 4095 |
break;
|
| 4096 |
case 1: |
| 4097 |
ret = write_ldt(env, ptr, bytecount, 1);
|
| 4098 |
break;
|
| 4099 |
case 0x11: |
| 4100 |
ret = write_ldt(env, ptr, bytecount, 0);
|
| 4101 |
break;
|
| 4102 |
default:
|
| 4103 |
ret = -TARGET_ENOSYS; |
| 4104 |
break;
|
| 4105 |
} |
| 4106 |
return ret;
|
| 4107 |
} |
| 4108 |
|
| 4109 |
#if defined(TARGET_I386) && defined(TARGET_ABI32)
|
| 4110 |
static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
|
| 4111 |
{
|
| 4112 |
uint64_t *gdt_table = g2h(env->gdt.base); |
| 4113 |
struct target_modify_ldt_ldt_s ldt_info;
|
| 4114 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
| 4115 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
| 4116 |
int seg_not_present, useable, lm;
|
| 4117 |
uint32_t *lp, entry_1, entry_2; |
| 4118 |
int i;
|
| 4119 |
|
| 4120 |
lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
|
| 4121 |
if (!target_ldt_info)
|
| 4122 |
return -TARGET_EFAULT;
|
| 4123 |
ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
| 4124 |
ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
| 4125 |
ldt_info.limit = tswap32(target_ldt_info->limit); |
| 4126 |
ldt_info.flags = tswap32(target_ldt_info->flags); |
| 4127 |
if (ldt_info.entry_number == -1) { |
| 4128 |
for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
|
| 4129 |
if (gdt_table[i] == 0) { |
| 4130 |
ldt_info.entry_number = i; |
| 4131 |
target_ldt_info->entry_number = tswap32(i); |
| 4132 |
break;
|
| 4133 |
} |
| 4134 |
} |
| 4135 |
} |
| 4136 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
| 4137 |
|
| 4138 |
if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
|
| 4139 |
ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) |
| 4140 |
return -TARGET_EINVAL;
|
| 4141 |
seg_32bit = ldt_info.flags & 1;
|
| 4142 |
contents = (ldt_info.flags >> 1) & 3; |
| 4143 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
| 4144 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
| 4145 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
| 4146 |
useable = (ldt_info.flags >> 6) & 1; |
| 4147 |
#ifdef TARGET_ABI32
|
| 4148 |
lm = 0;
|
| 4149 |
#else
|
| 4150 |
lm = (ldt_info.flags >> 7) & 1; |
| 4151 |
#endif
|
| 4152 |
|
| 4153 |
if (contents == 3) { |
| 4154 |
if (seg_not_present == 0) |
| 4155 |
return -TARGET_EINVAL;
|
| 4156 |
} |
| 4157 |
|
| 4158 |
/* NOTE: same code as Linux kernel */
|
| 4159 |
/* Allow LDTs to be cleared by the user. */
|
| 4160 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
| 4161 |
if ((contents == 0 && |
| 4162 |
read_exec_only == 1 &&
|
| 4163 |
seg_32bit == 0 &&
|
| 4164 |
limit_in_pages == 0 &&
|
| 4165 |
seg_not_present == 1 &&
|
| 4166 |
useable == 0 )) {
|
| 4167 |
entry_1 = 0;
|
| 4168 |
entry_2 = 0;
|
| 4169 |
goto install;
|
| 4170 |
} |
| 4171 |
} |
| 4172 |
|
| 4173 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
| 4174 |
(ldt_info.limit & 0x0ffff);
|
| 4175 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
| 4176 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
| 4177 |
(ldt_info.limit & 0xf0000) |
|
| 4178 |
((read_exec_only ^ 1) << 9) | |
| 4179 |
(contents << 10) |
|
| 4180 |
((seg_not_present ^ 1) << 15) | |
| 4181 |
(seg_32bit << 22) |
|
| 4182 |
(limit_in_pages << 23) |
|
| 4183 |
(useable << 20) |
|
| 4184 |
(lm << 21) |
|
| 4185 |
0x7000;
|
| 4186 |
|
| 4187 |
/* Install the new entry ... */
|
| 4188 |
install:
|
| 4189 |
lp = (uint32_t *)(gdt_table + ldt_info.entry_number); |
| 4190 |
lp[0] = tswap32(entry_1);
|
| 4191 |
lp[1] = tswap32(entry_2);
|
| 4192 |
return 0; |
| 4193 |
} |
| 4194 |
|
| 4195 |
static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
|
| 4196 |
{
|
| 4197 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
| 4198 |
uint64_t *gdt_table = g2h(env->gdt.base); |
| 4199 |
uint32_t base_addr, limit, flags; |
| 4200 |
int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
|
| 4201 |
int seg_not_present, useable, lm;
|
| 4202 |
uint32_t *lp, entry_1, entry_2; |
| 4203 |
|
| 4204 |
lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
|
| 4205 |
if (!target_ldt_info)
|
| 4206 |
return -TARGET_EFAULT;
|
| 4207 |
idx = tswap32(target_ldt_info->entry_number); |
| 4208 |
if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
|
| 4209 |
idx > TARGET_GDT_ENTRY_TLS_MAX) {
|
| 4210 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
| 4211 |
return -TARGET_EINVAL;
|
| 4212 |
} |
| 4213 |
lp = (uint32_t *)(gdt_table + idx); |
| 4214 |
entry_1 = tswap32(lp[0]);
|
| 4215 |
entry_2 = tswap32(lp[1]);
|
| 4216 |
|
| 4217 |
read_exec_only = ((entry_2 >> 9) & 1) ^ 1; |
| 4218 |
contents = (entry_2 >> 10) & 3; |
| 4219 |
seg_not_present = ((entry_2 >> 15) & 1) ^ 1; |
| 4220 |
seg_32bit = (entry_2 >> 22) & 1; |
| 4221 |
limit_in_pages = (entry_2 >> 23) & 1; |
| 4222 |
useable = (entry_2 >> 20) & 1; |
| 4223 |
#ifdef TARGET_ABI32
|
| 4224 |
lm = 0;
|
| 4225 |
#else
|
| 4226 |
lm = (entry_2 >> 21) & 1; |
| 4227 |
#endif
|
| 4228 |
flags = (seg_32bit << 0) | (contents << 1) | |
| 4229 |
(read_exec_only << 3) | (limit_in_pages << 4) | |
| 4230 |
(seg_not_present << 5) | (useable << 6) | (lm << 7); |
| 4231 |
limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); |
| 4232 |
base_addr = (entry_1 >> 16) |
|
| 4233 |
(entry_2 & 0xff000000) |
|
| 4234 |
((entry_2 & 0xff) << 16); |
| 4235 |
target_ldt_info->base_addr = tswapal(base_addr); |
| 4236 |
target_ldt_info->limit = tswap32(limit); |
| 4237 |
target_ldt_info->flags = tswap32(flags); |
| 4238 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
| 4239 |
return 0; |
| 4240 |
} |
| 4241 |
#endif /* TARGET_I386 && TARGET_ABI32 */ |
| 4242 |
|
| 4243 |
#ifndef TARGET_ABI32
|
| 4244 |
static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
| 4245 |
{
|
| 4246 |
abi_long ret = 0;
|
| 4247 |
abi_ulong val; |
| 4248 |
int idx;
|
| 4249 |
|
| 4250 |
switch(code) {
|
| 4251 |
case TARGET_ARCH_SET_GS:
|
| 4252 |
case TARGET_ARCH_SET_FS:
|
| 4253 |
if (code == TARGET_ARCH_SET_GS)
|
| 4254 |
idx = R_GS; |
| 4255 |
else
|
| 4256 |
idx = R_FS; |
| 4257 |
cpu_x86_load_seg(env, idx, 0);
|
| 4258 |
env->segs[idx].base = addr; |
| 4259 |
break;
|
| 4260 |
case TARGET_ARCH_GET_GS:
|
| 4261 |
case TARGET_ARCH_GET_FS:
|
| 4262 |
if (code == TARGET_ARCH_GET_GS)
|
| 4263 |
idx = R_GS; |
| 4264 |
else
|
| 4265 |
idx = R_FS; |
| 4266 |
val = env->segs[idx].base; |
| 4267 |
if (put_user(val, addr, abi_ulong))
|
| 4268 |
ret = -TARGET_EFAULT; |
| 4269 |
break;
|
| 4270 |
default:
|
| 4271 |
ret = -TARGET_EINVAL; |
| 4272 |
break;
|
| 4273 |
} |
| 4274 |
return ret;
|
| 4275 |
} |
| 4276 |
#endif
|
| 4277 |
|
| 4278 |
#endif /* defined(TARGET_I386) */ |
| 4279 |
|
| 4280 |
#define NEW_STACK_SIZE 0x40000 |
| 4281 |
|
| 4282 |
#if defined(CONFIG_USE_NPTL)
|
| 4283 |
|
| 4284 |
static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
|
| 4285 |
typedef struct { |
| 4286 |
CPUArchState *env; |
| 4287 |
pthread_mutex_t mutex; |
| 4288 |
pthread_cond_t cond; |
| 4289 |
pthread_t thread; |
| 4290 |
uint32_t tid; |
| 4291 |
abi_ulong child_tidptr; |
| 4292 |
abi_ulong parent_tidptr; |
| 4293 |
sigset_t sigmask; |
| 4294 |
} new_thread_info; |
| 4295 |
|
| 4296 |
static void *clone_func(void *arg) |
| 4297 |
{
|
| 4298 |
new_thread_info *info = arg; |
| 4299 |
CPUArchState *env; |
| 4300 |
TaskState *ts; |
| 4301 |
|
| 4302 |
env = info->env; |
| 4303 |
thread_env = env; |
| 4304 |
ts = (TaskState *)thread_env->opaque; |
| 4305 |
info->tid = gettid(); |
| 4306 |
env->host_tid = info->tid; |
| 4307 |
task_settid(ts); |
| 4308 |
if (info->child_tidptr)
|
| 4309 |
put_user_u32(info->tid, info->child_tidptr); |
| 4310 |
if (info->parent_tidptr)
|
| 4311 |
put_user_u32(info->tid, info->parent_tidptr); |
| 4312 |
/* Enable signals. */
|
| 4313 |
sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
|
| 4314 |
/* Signal to the parent that we're ready. */
|
| 4315 |
pthread_mutex_lock(&info->mutex); |
| 4316 |
pthread_cond_broadcast(&info->cond); |
| 4317 |
pthread_mutex_unlock(&info->mutex); |
| 4318 |
/* Wait until the parent has finshed initializing the tls state. */
|
| 4319 |
pthread_mutex_lock(&clone_lock); |
| 4320 |
pthread_mutex_unlock(&clone_lock); |
| 4321 |
cpu_loop(env); |
| 4322 |
/* never exits */
|
| 4323 |
return NULL; |
| 4324 |
} |
| 4325 |
#else
|
| 4326 |
|
| 4327 |
static int clone_func(void *arg) |
| 4328 |
{
|
| 4329 |
CPUArchState *env = arg; |
| 4330 |
cpu_loop(env); |
| 4331 |
/* never exits */
|
| 4332 |
return 0; |
| 4333 |
} |
| 4334 |
#endif
|
| 4335 |
|
| 4336 |
/* do_fork() Must return host values and target errnos (unlike most
|
| 4337 |
do_*() functions). */
|
| 4338 |
static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
| 4339 |
abi_ulong parent_tidptr, target_ulong newtls, |
| 4340 |
abi_ulong child_tidptr) |
| 4341 |
{
|
| 4342 |
int ret;
|
| 4343 |
TaskState *ts; |
| 4344 |
CPUArchState *new_env; |
| 4345 |
#if defined(CONFIG_USE_NPTL)
|
| 4346 |
unsigned int nptl_flags; |
| 4347 |
sigset_t sigmask; |
| 4348 |
#else
|
| 4349 |
uint8_t *new_stack; |
| 4350 |
#endif
|
| 4351 |
|
| 4352 |
/* Emulate vfork() with fork() */
|
| 4353 |
if (flags & CLONE_VFORK)
|
| 4354 |
flags &= ~(CLONE_VFORK | CLONE_VM); |
| 4355 |
|
| 4356 |
if (flags & CLONE_VM) {
|
| 4357 |
TaskState *parent_ts = (TaskState *)env->opaque; |
| 4358 |
#if defined(CONFIG_USE_NPTL)
|
| 4359 |
new_thread_info info; |
| 4360 |
pthread_attr_t attr; |
| 4361 |
#endif
|
| 4362 |
ts = g_malloc0(sizeof(TaskState));
|
| 4363 |
init_task_state(ts); |
| 4364 |
/* we create a new CPU instance. */
|
| 4365 |
new_env = cpu_copy(env); |
| 4366 |
#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
|
| 4367 |
cpu_reset(ENV_GET_CPU(new_env)); |
| 4368 |
#endif
|
| 4369 |
/* Init regs that differ from the parent. */
|
| 4370 |
cpu_clone_regs(new_env, newsp); |
| 4371 |
new_env->opaque = ts; |
| 4372 |
ts->bprm = parent_ts->bprm; |
| 4373 |
ts->info = parent_ts->info; |
| 4374 |
#if defined(CONFIG_USE_NPTL)
|
| 4375 |
nptl_flags = flags; |
| 4376 |
flags &= ~CLONE_NPTL_FLAGS2; |
| 4377 |
|
| 4378 |
if (nptl_flags & CLONE_CHILD_CLEARTID) {
|
| 4379 |
ts->child_tidptr = child_tidptr; |
| 4380 |
} |
| 4381 |
|
| 4382 |
if (nptl_flags & CLONE_SETTLS)
|
| 4383 |
cpu_set_tls (new_env, newtls); |
| 4384 |
|
| 4385 |
/* Grab a mutex so that thread setup appears atomic. */
|
| 4386 |
pthread_mutex_lock(&clone_lock); |
| 4387 |
|
| 4388 |
memset(&info, 0, sizeof(info)); |
| 4389 |
pthread_mutex_init(&info.mutex, NULL);
|
| 4390 |
pthread_mutex_lock(&info.mutex); |
| 4391 |
pthread_cond_init(&info.cond, NULL);
|
| 4392 |
info.env = new_env; |
| 4393 |
if (nptl_flags & CLONE_CHILD_SETTID)
|
| 4394 |
info.child_tidptr = child_tidptr; |
| 4395 |
if (nptl_flags & CLONE_PARENT_SETTID)
|
| 4396 |
info.parent_tidptr = parent_tidptr; |
| 4397 |
|
| 4398 |
ret = pthread_attr_init(&attr); |
| 4399 |
ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
| 4400 |
ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); |
| 4401 |
/* It is not safe to deliver signals until the child has finished
|
| 4402 |
initializing, so temporarily block all signals. */
|
| 4403 |
sigfillset(&sigmask); |
| 4404 |
sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); |
| 4405 |
|
| 4406 |
ret = pthread_create(&info.thread, &attr, clone_func, &info); |
| 4407 |
/* TODO: Free new CPU state if thread creation failed. */
|
| 4408 |
|
| 4409 |
sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
|
| 4410 |
pthread_attr_destroy(&attr); |
| 4411 |
if (ret == 0) { |
| 4412 |
/* Wait for the child to initialize. */
|
| 4413 |
pthread_cond_wait(&info.cond, &info.mutex); |
| 4414 |
ret = info.tid; |
| 4415 |
if (flags & CLONE_PARENT_SETTID)
|
| 4416 |
put_user_u32(ret, parent_tidptr); |
| 4417 |
} else {
|
| 4418 |
ret = -1;
|
| 4419 |
} |
| 4420 |
pthread_mutex_unlock(&info.mutex); |
| 4421 |
pthread_cond_destroy(&info.cond); |
| 4422 |
pthread_mutex_destroy(&info.mutex); |
| 4423 |
pthread_mutex_unlock(&clone_lock); |
| 4424 |
#else
|
| 4425 |
if (flags & CLONE_NPTL_FLAGS2)
|
| 4426 |
return -EINVAL;
|
| 4427 |
/* This is probably going to die very quickly, but do it anyway. */
|
| 4428 |
new_stack = g_malloc0 (NEW_STACK_SIZE); |
| 4429 |
#ifdef __ia64__
|
| 4430 |
ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env); |
| 4431 |
#else
|
| 4432 |
ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
| 4433 |
#endif
|
| 4434 |
#endif
|
| 4435 |
} else {
|
| 4436 |
/* if no CLONE_VM, we consider it is a fork */
|
| 4437 |
if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) |
| 4438 |
return -EINVAL;
|
| 4439 |
fork_start(); |
| 4440 |
ret = fork(); |
| 4441 |
if (ret == 0) { |
| 4442 |
/* Child Process. */
|
| 4443 |
cpu_clone_regs(env, newsp); |
| 4444 |
fork_end(1);
|
| 4445 |
#if defined(CONFIG_USE_NPTL)
|
| 4446 |
/* There is a race condition here. The parent process could
|
| 4447 |
theoretically read the TID in the child process before the child
|
| 4448 |
tid is set. This would require using either ptrace
|
| 4449 |
(not implemented) or having *_tidptr to point at a shared memory
|
| 4450 |
mapping. We can't repeat the spinlock hack used above because
|
| 4451 |
the child process gets its own copy of the lock. */
|
| 4452 |
if (flags & CLONE_CHILD_SETTID)
|
| 4453 |
put_user_u32(gettid(), child_tidptr); |
| 4454 |
if (flags & CLONE_PARENT_SETTID)
|
| 4455 |
put_user_u32(gettid(), parent_tidptr); |
| 4456 |
ts = (TaskState *)env->opaque; |
| 4457 |
if (flags & CLONE_SETTLS)
|
| 4458 |
cpu_set_tls (env, newtls); |
| 4459 |
if (flags & CLONE_CHILD_CLEARTID)
|
| 4460 |
ts->child_tidptr = child_tidptr; |
| 4461 |
#endif
|
| 4462 |
} else {
|
| 4463 |
fork_end(0);
|
| 4464 |
} |
| 4465 |
} |
| 4466 |
return ret;
|
| 4467 |
} |
| 4468 |
|
| 4469 |
/* warning : doesn't handle linux specific flags... */
|
| 4470 |
static int target_to_host_fcntl_cmd(int cmd) |
| 4471 |
{
|
| 4472 |
switch(cmd) {
|
| 4473 |
case TARGET_F_DUPFD:
|
| 4474 |
case TARGET_F_GETFD:
|
| 4475 |
case TARGET_F_SETFD:
|
| 4476 |
case TARGET_F_GETFL:
|
| 4477 |
case TARGET_F_SETFL:
|
| 4478 |
return cmd;
|
| 4479 |
case TARGET_F_GETLK:
|
| 4480 |
return F_GETLK;
|
| 4481 |
case TARGET_F_SETLK:
|
| 4482 |
return F_SETLK;
|
| 4483 |
case TARGET_F_SETLKW:
|
| 4484 |
return F_SETLKW;
|
| 4485 |
case TARGET_F_GETOWN:
|
| 4486 |
return F_GETOWN;
|
| 4487 |
case TARGET_F_SETOWN:
|
| 4488 |
return F_SETOWN;
|
| 4489 |
case TARGET_F_GETSIG:
|
| 4490 |
return F_GETSIG;
|
| 4491 |
case TARGET_F_SETSIG:
|
| 4492 |
return F_SETSIG;
|
| 4493 |
#if TARGET_ABI_BITS == 32 |
| 4494 |
case TARGET_F_GETLK64:
|
| 4495 |
return F_GETLK64;
|
| 4496 |
case TARGET_F_SETLK64:
|
| 4497 |
return F_SETLK64;
|
| 4498 |
case TARGET_F_SETLKW64:
|
| 4499 |
return F_SETLKW64;
|
| 4500 |
#endif
|
| 4501 |
case TARGET_F_SETLEASE:
|
| 4502 |
return F_SETLEASE;
|
| 4503 |
case TARGET_F_GETLEASE:
|
| 4504 |
return F_GETLEASE;
|
| 4505 |
#ifdef F_DUPFD_CLOEXEC
|
| 4506 |
case TARGET_F_DUPFD_CLOEXEC:
|
| 4507 |
return F_DUPFD_CLOEXEC;
|
| 4508 |
#endif
|
| 4509 |
case TARGET_F_NOTIFY:
|
| 4510 |
return F_NOTIFY;
|
| 4511 |
default:
|
| 4512 |
return -TARGET_EINVAL;
|
| 4513 |
} |
| 4514 |
return -TARGET_EINVAL;
|
| 4515 |
} |
| 4516 |
|
| 4517 |
static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) |
| 4518 |
{
|
| 4519 |
struct flock fl;
|
| 4520 |
struct target_flock *target_fl;
|
| 4521 |
struct flock64 fl64;
|
| 4522 |
struct target_flock64 *target_fl64;
|
| 4523 |
abi_long ret; |
| 4524 |
int host_cmd = target_to_host_fcntl_cmd(cmd);
|
| 4525 |
|
| 4526 |
if (host_cmd == -TARGET_EINVAL)
|
| 4527 |
return host_cmd;
|
| 4528 |
|
| 4529 |
switch(cmd) {
|
| 4530 |
case TARGET_F_GETLK:
|
| 4531 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
| 4532 |
return -TARGET_EFAULT;
|
| 4533 |
fl.l_type = tswap16(target_fl->l_type); |
| 4534 |
fl.l_whence = tswap16(target_fl->l_whence); |
| 4535 |
fl.l_start = tswapal(target_fl->l_start); |
| 4536 |
fl.l_len = tswapal(target_fl->l_len); |
| 4537 |
fl.l_pid = tswap32(target_fl->l_pid); |
| 4538 |
unlock_user_struct(target_fl, arg, 0);
|
| 4539 |
ret = get_errno(fcntl(fd, host_cmd, &fl)); |
| 4540 |
if (ret == 0) { |
| 4541 |
if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) |
| 4542 |
return -TARGET_EFAULT;
|
| 4543 |
target_fl->l_type = tswap16(fl.l_type); |
| 4544 |
target_fl->l_whence = tswap16(fl.l_whence); |
| 4545 |
target_fl->l_start = tswapal(fl.l_start); |
| 4546 |
target_fl->l_len = tswapal(fl.l_len); |
| 4547 |
target_fl->l_pid = tswap32(fl.l_pid); |
| 4548 |
unlock_user_struct(target_fl, arg, 1);
|
| 4549 |
} |
| 4550 |
break;
|
| 4551 |
|
| 4552 |
case TARGET_F_SETLK:
|
| 4553 |
case TARGET_F_SETLKW:
|
| 4554 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
| 4555 |
return -TARGET_EFAULT;
|
| 4556 |
fl.l_type = tswap16(target_fl->l_type); |
| 4557 |
fl.l_whence = tswap16(target_fl->l_whence); |
| 4558 |
fl.l_start = tswapal(target_fl->l_start); |
| 4559 |
fl.l_len = tswapal(target_fl->l_len); |
| 4560 |
fl.l_pid = tswap32(target_fl->l_pid); |
| 4561 |
unlock_user_struct(target_fl, arg, 0);
|
| 4562 |
ret = get_errno(fcntl(fd, host_cmd, &fl)); |
| 4563 |
break;
|
| 4564 |
|
| 4565 |
case TARGET_F_GETLK64:
|
| 4566 |
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
| 4567 |
return -TARGET_EFAULT;
|
| 4568 |
fl64.l_type = tswap16(target_fl64->l_type) >> 1;
|
| 4569 |
fl64.l_whence = tswap16(target_fl64->l_whence); |
| 4570 |
fl64.l_start = tswap64(target_fl64->l_start); |
| 4571 |
fl64.l_len = tswap64(target_fl64->l_len); |
| 4572 |
fl64.l_pid = tswap32(target_fl64->l_pid); |
| 4573 |
unlock_user_struct(target_fl64, arg, 0);
|
| 4574 |
ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
| 4575 |
if (ret == 0) { |
| 4576 |
if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) |
| 4577 |
return -TARGET_EFAULT;
|
| 4578 |
target_fl64->l_type = tswap16(fl64.l_type) >> 1;
|
| 4579 |
target_fl64->l_whence = tswap16(fl64.l_whence); |
| 4580 |
target_fl64->l_start = tswap64(fl64.l_start); |
| 4581 |
target_fl64->l_len = tswap64(fl64.l_len); |
| 4582 |
target_fl64->l_pid = tswap32(fl64.l_pid); |
| 4583 |
unlock_user_struct(target_fl64, arg, 1);
|
| 4584 |
} |
| 4585 |
break;
|
| 4586 |
case TARGET_F_SETLK64:
|
| 4587 |
case TARGET_F_SETLKW64:
|
| 4588 |
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
| 4589 |
return -TARGET_EFAULT;
|
| 4590 |
fl64.l_type = tswap16(target_fl64->l_type) >> 1;
|
| 4591 |
fl64.l_whence = tswap16(target_fl64->l_whence); |
| 4592 |
fl64.l_start = tswap64(target_fl64->l_start); |
| 4593 |
fl64.l_len = tswap64(target_fl64->l_len); |
| 4594 |
fl64.l_pid = tswap32(target_fl64->l_pid); |
| 4595 |
unlock_user_struct(target_fl64, arg, 0);
|
| 4596 |
ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
| 4597 |
break;
|
| 4598 |
|
| 4599 |
case TARGET_F_GETFL:
|
| 4600 |
ret = get_errno(fcntl(fd, host_cmd, arg)); |
| 4601 |
if (ret >= 0) { |
| 4602 |
ret = host_to_target_bitmask(ret, fcntl_flags_tbl); |
| 4603 |
} |
| 4604 |
break;
|
| 4605 |
|
| 4606 |
case TARGET_F_SETFL:
|
| 4607 |
ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); |
| 4608 |
break;
|
| 4609 |
|
| 4610 |
case TARGET_F_SETOWN:
|
| 4611 |
case TARGET_F_GETOWN:
|
| 4612 |
case TARGET_F_SETSIG:
|
| 4613 |
case TARGET_F_GETSIG:
|
| 4614 |
case TARGET_F_SETLEASE:
|
| 4615 |
case TARGET_F_GETLEASE:
|
| 4616 |
ret = get_errno(fcntl(fd, host_cmd, arg)); |
| 4617 |
break;
|
| 4618 |
|
| 4619 |
default:
|
| 4620 |
ret = get_errno(fcntl(fd, cmd, arg)); |
| 4621 |
break;
|
| 4622 |
} |
| 4623 |
return ret;
|
| 4624 |
} |
| 4625 |
|
| 4626 |
#ifdef USE_UID16
|
| 4627 |
|
| 4628 |
static inline int high2lowuid(int uid) |
| 4629 |
{
|
| 4630 |
if (uid > 65535) |
| 4631 |
return 65534; |
| 4632 |
else
|
| 4633 |
return uid;
|
| 4634 |
} |
| 4635 |
|
| 4636 |
static inline int high2lowgid(int gid) |
| 4637 |
{
|
| 4638 |
if (gid > 65535) |
| 4639 |
return 65534; |
| 4640 |
else
|
| 4641 |
return gid;
|
| 4642 |
} |
| 4643 |
|
| 4644 |
static inline int low2highuid(int uid) |
| 4645 |
{
|
| 4646 |
if ((int16_t)uid == -1) |
| 4647 |
return -1; |
| 4648 |
else
|
| 4649 |
return uid;
|
| 4650 |
} |
| 4651 |
|
| 4652 |
static inline int low2highgid(int gid) |
| 4653 |
{
|
| 4654 |
if ((int16_t)gid == -1) |
| 4655 |
return -1; |
| 4656 |
else
|
| 4657 |
return gid;
|
| 4658 |
} |
| 4659 |
static inline int tswapid(int id) |
| 4660 |
{
|
| 4661 |
return tswap16(id);
|
| 4662 |
} |
| 4663 |
#else /* !USE_UID16 */ |
| 4664 |
static inline int high2lowuid(int uid) |
| 4665 |
{
|
| 4666 |
return uid;
|
| 4667 |
} |
| 4668 |
static inline int high2lowgid(int gid) |
| 4669 |
{
|
| 4670 |
return gid;
|
| 4671 |
} |
| 4672 |
static inline int low2highuid(int uid) |
| 4673 |
{
|
| 4674 |
return uid;
|
| 4675 |
} |
| 4676 |
static inline int low2highgid(int gid) |
| 4677 |
{
|
| 4678 |
return gid;
|
| 4679 |
} |
| 4680 |
static inline int tswapid(int id) |
| 4681 |
{
|
| 4682 |
return tswap32(id);
|
| 4683 |
} |
| 4684 |
#endif /* USE_UID16 */ |
| 4685 |
|
| 4686 |
void syscall_init(void) |
| 4687 |
{
|
| 4688 |
IOCTLEntry *ie; |
| 4689 |
const argtype *arg_type;
|
| 4690 |
int size;
|
| 4691 |
int i;
|
| 4692 |
|
| 4693 |
#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
| 4694 |
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
| 4695 |
#include "syscall_types.h" |
| 4696 |
#undef STRUCT
|
| 4697 |
#undef STRUCT_SPECIAL
|
| 4698 |
|
| 4699 |
/* Build target_to_host_errno_table[] table from
|
| 4700 |
* host_to_target_errno_table[]. */
|
| 4701 |
for (i = 0; i < ERRNO_TABLE_SIZE; i++) { |
| 4702 |
target_to_host_errno_table[host_to_target_errno_table[i]] = i; |
| 4703 |
} |
| 4704 |
|
| 4705 |
/* we patch the ioctl size if necessary. We rely on the fact that
|
| 4706 |
no ioctl has all the bits at '1' in the size field */
|
| 4707 |
ie = ioctl_entries; |
| 4708 |
while (ie->target_cmd != 0) { |
| 4709 |
if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
|
| 4710 |
TARGET_IOC_SIZEMASK) {
|
| 4711 |
arg_type = ie->arg_type; |
| 4712 |
if (arg_type[0] != TYPE_PTR) { |
| 4713 |
fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
|
| 4714 |
ie->target_cmd); |
| 4715 |
exit(1);
|
| 4716 |
} |
| 4717 |
arg_type++; |
| 4718 |
size = thunk_type_size(arg_type, 0);
|
| 4719 |
ie->target_cmd = (ie->target_cmd & |
| 4720 |
~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
| 4721 |
(size << TARGET_IOC_SIZESHIFT); |
| 4722 |
} |
| 4723 |
|
| 4724 |
/* automatic consistency check if same arch */
|
| 4725 |
#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
|
| 4726 |
(defined(__x86_64__) && defined(TARGET_X86_64)) |
| 4727 |
if (unlikely(ie->target_cmd != ie->host_cmd)) {
|
| 4728 |
fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
|
| 4729 |
ie->name, ie->target_cmd, ie->host_cmd); |
| 4730 |
} |
| 4731 |
#endif
|
| 4732 |
ie++; |
| 4733 |
} |
| 4734 |
} |
| 4735 |
|
| 4736 |
#if TARGET_ABI_BITS == 32 |
| 4737 |
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
| 4738 |
{
|
| 4739 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 4740 |
return ((uint64_t)word0 << 32) | word1; |
| 4741 |
#else
|
| 4742 |
return ((uint64_t)word1 << 32) | word0; |
| 4743 |
#endif
|
| 4744 |
} |
| 4745 |
#else /* TARGET_ABI_BITS == 32 */ |
| 4746 |
static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
| 4747 |
{
|
| 4748 |
return word0;
|
| 4749 |
} |
| 4750 |
#endif /* TARGET_ABI_BITS != 32 */ |
| 4751 |
|
| 4752 |
#ifdef TARGET_NR_truncate64
|
| 4753 |
static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
| 4754 |
abi_long arg2, |
| 4755 |
abi_long arg3, |
| 4756 |
abi_long arg4) |
| 4757 |
{
|
| 4758 |
if (regpairs_aligned(cpu_env)) {
|
| 4759 |
arg2 = arg3; |
| 4760 |
arg3 = arg4; |
| 4761 |
} |
| 4762 |
return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
|
| 4763 |
} |
| 4764 |
#endif
|
| 4765 |
|
| 4766 |
#ifdef TARGET_NR_ftruncate64
|
| 4767 |
static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
| 4768 |
abi_long arg2, |
| 4769 |
abi_long arg3, |
| 4770 |
abi_long arg4) |
| 4771 |
{
|
| 4772 |
if (regpairs_aligned(cpu_env)) {
|
| 4773 |
arg2 = arg3; |
| 4774 |
arg3 = arg4; |
| 4775 |
} |
| 4776 |
return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
|
| 4777 |
} |
| 4778 |
#endif
|
| 4779 |
|
| 4780 |
static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
| 4781 |
abi_ulong target_addr) |
| 4782 |
{
|
| 4783 |
struct target_timespec *target_ts;
|
| 4784 |
|
| 4785 |
if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
| 4786 |
return -TARGET_EFAULT;
|
| 4787 |
host_ts->tv_sec = tswapal(target_ts->tv_sec); |
| 4788 |
host_ts->tv_nsec = tswapal(target_ts->tv_nsec); |
| 4789 |
unlock_user_struct(target_ts, target_addr, 0);
|
| 4790 |
return 0; |
| 4791 |
} |
| 4792 |
|
| 4793 |
static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
| 4794 |
struct timespec *host_ts)
|
| 4795 |
{
|
| 4796 |
struct target_timespec *target_ts;
|
| 4797 |
|
| 4798 |
if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
| 4799 |
return -TARGET_EFAULT;
|
| 4800 |
target_ts->tv_sec = tswapal(host_ts->tv_sec); |
| 4801 |
target_ts->tv_nsec = tswapal(host_ts->tv_nsec); |
| 4802 |
unlock_user_struct(target_ts, target_addr, 1);
|
| 4803 |
return 0; |
| 4804 |
} |
| 4805 |
|
| 4806 |
#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
|
| 4807 |
static inline abi_long host_to_target_stat64(void *cpu_env, |
| 4808 |
abi_ulong target_addr, |
| 4809 |
struct stat *host_st)
|
| 4810 |
{
|
| 4811 |
#ifdef TARGET_ARM
|
| 4812 |
if (((CPUARMState *)cpu_env)->eabi) {
|
| 4813 |
struct target_eabi_stat64 *target_st;
|
| 4814 |
|
| 4815 |
if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) |
| 4816 |
return -TARGET_EFAULT;
|
| 4817 |
memset(target_st, 0, sizeof(struct target_eabi_stat64)); |
| 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 |
__put_user(host_st->st_size, &target_st->st_size); |
| 4829 |
__put_user(host_st->st_blksize, &target_st->st_blksize); |
| 4830 |
__put_user(host_st->st_blocks, &target_st->st_blocks); |
| 4831 |
__put_user(host_st->st_atime, &target_st->target_st_atime); |
| 4832 |
__put_user(host_st->st_mtime, &target_st->target_st_mtime); |
| 4833 |
__put_user(host_st->st_ctime, &target_st->target_st_ctime); |
| 4834 |
unlock_user_struct(target_st, target_addr, 1);
|
| 4835 |
} else
|
| 4836 |
#endif
|
| 4837 |
{
|
| 4838 |
#if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA) |
| 4839 |
struct target_stat *target_st;
|
| 4840 |
#else
|
| 4841 |
struct target_stat64 *target_st;
|
| 4842 |
#endif
|
| 4843 |
|
| 4844 |
if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) |
| 4845 |
return -TARGET_EFAULT;
|
| 4846 |
memset(target_st, 0, sizeof(*target_st)); |
| 4847 |
__put_user(host_st->st_dev, &target_st->st_dev); |
| 4848 |
__put_user(host_st->st_ino, &target_st->st_ino); |
| 4849 |
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
| 4850 |
__put_user(host_st->st_ino, &target_st->__st_ino); |
| 4851 |
#endif
|
| 4852 |
__put_user(host_st->st_mode, &target_st->st_mode); |
| 4853 |
__put_user(host_st->st_nlink, &target_st->st_nlink); |
| 4854 |
__put_user(host_st->st_uid, &target_st->st_uid); |
| 4855 |
__put_user(host_st->st_gid, &target_st->st_gid); |
| 4856 |
__put_user(host_st->st_rdev, &target_st->st_rdev); |
| 4857 |
/* XXX: better use of kernel struct */
|
| 4858 |
__put_user(host_st->st_size, &target_st->st_size); |
| 4859 |
__put_user(host_st->st_blksize, &target_st->st_blksize); |
| 4860 |
__put_user(host_st->st_blocks, &target_st->st_blocks); |
| 4861 |
__put_user(host_st->st_atime, &target_st->target_st_atime); |
| 4862 |
__put_user(host_st->st_mtime, &target_st->target_st_mtime); |
| 4863 |
__put_user(host_st->st_ctime, &target_st->target_st_ctime); |
| 4864 |
unlock_user_struct(target_st, target_addr, 1);
|
| 4865 |
} |
| 4866 |
|
| 4867 |
return 0; |
| 4868 |
} |
| 4869 |
#endif
|
| 4870 |
|
| 4871 |
#if defined(CONFIG_USE_NPTL)
|
| 4872 |
/* ??? Using host futex calls even when target atomic operations
|
| 4873 |
are not really atomic probably breaks things. However implementing
|
| 4874 |
futexes locally would make futexes shared between multiple processes
|
| 4875 |
tricky. However they're probably useless because guest atomic
|
| 4876 |
operations won't work either. */
|
| 4877 |
static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
| 4878 |
target_ulong uaddr2, int val3)
|
| 4879 |
{
|
| 4880 |
struct timespec ts, *pts;
|
| 4881 |
int base_op;
|
| 4882 |
|
| 4883 |
/* ??? We assume FUTEX_* constants are the same on both host
|
| 4884 |
and target. */
|
| 4885 |
#ifdef FUTEX_CMD_MASK
|
| 4886 |
base_op = op & FUTEX_CMD_MASK; |
| 4887 |
#else
|
| 4888 |
base_op = op; |
| 4889 |
#endif
|
| 4890 |
switch (base_op) {
|
| 4891 |
case FUTEX_WAIT:
|
| 4892 |
if (timeout) {
|
| 4893 |
pts = &ts; |
| 4894 |
target_to_host_timespec(pts, timeout); |
| 4895 |
} else {
|
| 4896 |
pts = NULL;
|
| 4897 |
} |
| 4898 |
return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
|
| 4899 |
pts, NULL, 0)); |
| 4900 |
case FUTEX_WAKE:
|
| 4901 |
return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
| 4902 |
case FUTEX_FD:
|
| 4903 |
return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
| 4904 |
case FUTEX_REQUEUE:
|
| 4905 |
case FUTEX_CMP_REQUEUE:
|
| 4906 |
case FUTEX_WAKE_OP:
|
| 4907 |
/* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
|
| 4908 |
TIMEOUT parameter is interpreted as a uint32_t by the kernel.
|
| 4909 |
But the prototype takes a `struct timespec *'; insert casts
|
| 4910 |
to satisfy the compiler. We do not need to tswap TIMEOUT
|
| 4911 |
since it's not compared to guest memory. */
|
| 4912 |
pts = (struct timespec *)(uintptr_t) timeout;
|
| 4913 |
return get_errno(sys_futex(g2h(uaddr), op, val, pts,
|
| 4914 |
g2h(uaddr2), |
| 4915 |
(base_op == FUTEX_CMP_REQUEUE |
| 4916 |
? tswap32(val3) |
| 4917 |
: val3))); |
| 4918 |
default:
|
| 4919 |
return -TARGET_ENOSYS;
|
| 4920 |
} |
| 4921 |
} |
| 4922 |
#endif
|
| 4923 |
|
| 4924 |
/* Map host to target signal numbers for the wait family of syscalls.
|
| 4925 |
Assume all other status bits are the same. */
|
| 4926 |
int host_to_target_waitstatus(int status) |
| 4927 |
{
|
| 4928 |
if (WIFSIGNALED(status)) {
|
| 4929 |
return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); |
| 4930 |
} |
| 4931 |
if (WIFSTOPPED(status)) {
|
| 4932 |
return (host_to_target_signal(WSTOPSIG(status)) << 8) |
| 4933 |
| (status & 0xff);
|
| 4934 |
} |
| 4935 |
return status;
|
| 4936 |
} |
| 4937 |
|
| 4938 |
int get_osversion(void) |
| 4939 |
{
|
| 4940 |
static int osversion; |
| 4941 |
struct new_utsname buf;
|
| 4942 |
const char *s; |
| 4943 |
int i, n, tmp;
|
| 4944 |
if (osversion)
|
| 4945 |
return osversion;
|
| 4946 |
if (qemu_uname_release && *qemu_uname_release) {
|
| 4947 |
s = qemu_uname_release; |
| 4948 |
} else {
|
| 4949 |
if (sys_uname(&buf))
|
| 4950 |
return 0; |
| 4951 |
s = buf.release; |
| 4952 |
} |
| 4953 |
tmp = 0;
|
| 4954 |
for (i = 0; i < 3; i++) { |
| 4955 |
n = 0;
|
| 4956 |
while (*s >= '0' && *s <= '9') { |
| 4957 |
n *= 10;
|
| 4958 |
n += *s - '0';
|
| 4959 |
s++; |
| 4960 |
} |
| 4961 |
tmp = (tmp << 8) + n;
|
| 4962 |
if (*s == '.') |
| 4963 |
s++; |
| 4964 |
} |
| 4965 |
osversion = tmp; |
| 4966 |
return osversion;
|
| 4967 |
} |
| 4968 |
|
| 4969 |
|
| 4970 |
static int open_self_maps(void *cpu_env, int fd) |
| 4971 |
{
|
| 4972 |
#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
|
| 4973 |
TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
| 4974 |
#endif
|
| 4975 |
FILE *fp; |
| 4976 |
char *line = NULL; |
| 4977 |
size_t len = 0;
|
| 4978 |
ssize_t read; |
| 4979 |
|
| 4980 |
fp = fopen("/proc/self/maps", "r"); |
| 4981 |
if (fp == NULL) { |
| 4982 |
return -EACCES;
|
| 4983 |
} |
| 4984 |
|
| 4985 |
while ((read = getline(&line, &len, fp)) != -1) { |
| 4986 |
int fields, dev_maj, dev_min, inode;
|
| 4987 |
uint64_t min, max, offset; |
| 4988 |
char flag_r, flag_w, flag_x, flag_p;
|
| 4989 |
char path[512] = ""; |
| 4990 |
fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d" |
| 4991 |
" %512s", &min, &max, &flag_r, &flag_w, &flag_x,
|
| 4992 |
&flag_p, &offset, &dev_maj, &dev_min, &inode, path); |
| 4993 |
|
| 4994 |
if ((fields < 10) || (fields > 11)) { |
| 4995 |
continue;
|
| 4996 |
} |
| 4997 |
if (!strncmp(path, "[stack]", 7)) { |
| 4998 |
continue;
|
| 4999 |
} |
| 5000 |
if (h2g_valid(min) && h2g_valid(max)) {
|
| 5001 |
dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
|
| 5002 |
" %c%c%c%c %08" PRIx64 " %02x:%02x %d%s%s\n", |
| 5003 |
h2g(min), h2g(max), flag_r, flag_w, |
| 5004 |
flag_x, flag_p, offset, dev_maj, dev_min, inode, |
| 5005 |
path[0] ? " " : "", path); |
| 5006 |
} |
| 5007 |
} |
| 5008 |
|
| 5009 |
free(line); |
| 5010 |
fclose(fp); |
| 5011 |
|
| 5012 |
#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
|
| 5013 |
dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
|
| 5014 |
(unsigned long long)ts->info->stack_limit, |
| 5015 |
(unsigned long long)(ts->info->start_stack + |
| 5016 |
(TARGET_PAGE_SIZE - 1)) & TARGET_PAGE_MASK,
|
| 5017 |
(unsigned long long)0); |
| 5018 |
#endif
|
| 5019 |
|
| 5020 |
return 0; |
| 5021 |
} |
| 5022 |
|
| 5023 |
static int open_self_stat(void *cpu_env, int fd) |
| 5024 |
{
|
| 5025 |
TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
| 5026 |
abi_ulong start_stack = ts->info->start_stack; |
| 5027 |
int i;
|
| 5028 |
|
| 5029 |
for (i = 0; i < 44; i++) { |
| 5030 |
char buf[128]; |
| 5031 |
int len;
|
| 5032 |
uint64_t val = 0;
|
| 5033 |
|
| 5034 |
if (i == 0) { |
| 5035 |
/* pid */
|
| 5036 |
val = getpid(); |
| 5037 |
snprintf(buf, sizeof(buf), "%"PRId64 " ", val); |
| 5038 |
} else if (i == 1) { |
| 5039 |
/* app name */
|
| 5040 |
snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]); |
| 5041 |
} else if (i == 27) { |
| 5042 |
/* stack bottom */
|
| 5043 |
val = start_stack; |
| 5044 |
snprintf(buf, sizeof(buf), "%"PRId64 " ", val); |
| 5045 |
} else {
|
| 5046 |
/* for the rest, there is MasterCard */
|
| 5047 |
snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' '); |
| 5048 |
} |
| 5049 |
|
| 5050 |
len = strlen(buf); |
| 5051 |
if (write(fd, buf, len) != len) {
|
| 5052 |
return -1; |
| 5053 |
} |
| 5054 |
} |
| 5055 |
|
| 5056 |
return 0; |
| 5057 |
} |
| 5058 |
|
| 5059 |
static int open_self_auxv(void *cpu_env, int fd) |
| 5060 |
{
|
| 5061 |
TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
| 5062 |
abi_ulong auxv = ts->info->saved_auxv; |
| 5063 |
abi_ulong len = ts->info->auxv_len; |
| 5064 |
char *ptr;
|
| 5065 |
|
| 5066 |
/*
|
| 5067 |
* Auxiliary vector is stored in target process stack.
|
| 5068 |
* read in whole auxv vector and copy it to file
|
| 5069 |
*/
|
| 5070 |
ptr = lock_user(VERIFY_READ, auxv, len, 0);
|
| 5071 |
if (ptr != NULL) { |
| 5072 |
while (len > 0) { |
| 5073 |
ssize_t r; |
| 5074 |
r = write(fd, ptr, len); |
| 5075 |
if (r <= 0) { |
| 5076 |
break;
|
| 5077 |
} |
| 5078 |
len -= r; |
| 5079 |
ptr += r; |
| 5080 |
} |
| 5081 |
lseek(fd, 0, SEEK_SET);
|
| 5082 |
unlock_user(ptr, auxv, len); |
| 5083 |
} |
| 5084 |
|
| 5085 |
return 0; |
| 5086 |
} |
| 5087 |
|
| 5088 |
static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode) |
| 5089 |
{
|
| 5090 |
struct fake_open {
|
| 5091 |
const char *filename; |
| 5092 |
int (*fill)(void *cpu_env, int fd); |
| 5093 |
}; |
| 5094 |
const struct fake_open *fake_open; |
| 5095 |
static const struct fake_open fakes[] = { |
| 5096 |
{ "/proc/self/maps", open_self_maps },
|
| 5097 |
{ "/proc/self/stat", open_self_stat },
|
| 5098 |
{ "/proc/self/auxv", open_self_auxv },
|
| 5099 |
{ NULL, NULL }
|
| 5100 |
}; |
| 5101 |
|
| 5102 |
for (fake_open = fakes; fake_open->filename; fake_open++) {
|
| 5103 |
if (!strncmp(pathname, fake_open->filename,
|
| 5104 |
strlen(fake_open->filename))) {
|
| 5105 |
break;
|
| 5106 |
} |
| 5107 |
} |
| 5108 |
|
| 5109 |
if (fake_open->filename) {
|
| 5110 |
const char *tmpdir; |
| 5111 |
char filename[PATH_MAX];
|
| 5112 |
int fd, r;
|
| 5113 |
|
| 5114 |
/* create temporary file to map stat to */
|
| 5115 |
tmpdir = getenv("TMPDIR");
|
| 5116 |
if (!tmpdir)
|
| 5117 |
tmpdir = "/tmp";
|
| 5118 |
snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); |
| 5119 |
fd = mkstemp(filename); |
| 5120 |
if (fd < 0) { |
| 5121 |
return fd;
|
| 5122 |
} |
| 5123 |
unlink(filename); |
| 5124 |
|
| 5125 |
if ((r = fake_open->fill(cpu_env, fd))) {
|
| 5126 |
close(fd); |
| 5127 |
return r;
|
| 5128 |
} |
| 5129 |
lseek(fd, 0, SEEK_SET);
|
| 5130 |
|
| 5131 |
return fd;
|
| 5132 |
} |
| 5133 |
|
| 5134 |
return get_errno(open(path(pathname), flags, mode));
|
| 5135 |
} |
| 5136 |
|
| 5137 |
/* do_syscall() should always have a single exit point at the end so
|
| 5138 |
that actions, such as logging of syscall results, can be performed.
|
| 5139 |
All errnos that do_syscall() returns must be -TARGET_<errcode>. */
|
| 5140 |
abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
| 5141 |
abi_long arg2, abi_long arg3, abi_long arg4, |
| 5142 |
abi_long arg5, abi_long arg6, abi_long arg7, |
| 5143 |
abi_long arg8) |
| 5144 |
{
|
| 5145 |
abi_long ret; |
| 5146 |
struct stat st;
|
| 5147 |
struct statfs stfs;
|
| 5148 |
void *p;
|
| 5149 |
|
| 5150 |
#ifdef DEBUG
|
| 5151 |
gemu_log("syscall %d", num);
|
| 5152 |
#endif
|
| 5153 |
if(do_strace)
|
| 5154 |
print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); |
| 5155 |
|
| 5156 |
switch(num) {
|
| 5157 |
case TARGET_NR_exit:
|
| 5158 |
#ifdef CONFIG_USE_NPTL
|
| 5159 |
/* In old applications this may be used to implement _exit(2).
|
| 5160 |
However in threaded applictions it is used for thread termination,
|
| 5161 |
and _exit_group is used for application termination.
|
| 5162 |
Do thread termination if we have more then one thread. */
|
| 5163 |
/* FIXME: This probably breaks if a signal arrives. We should probably
|
| 5164 |
be disabling signals. */
|
| 5165 |
if (first_cpu->next_cpu) {
|
| 5166 |
TaskState *ts; |
| 5167 |
CPUArchState **lastp; |
| 5168 |
CPUArchState *p; |
| 5169 |
|
| 5170 |
cpu_list_lock(); |
| 5171 |
lastp = &first_cpu; |
| 5172 |
p = first_cpu; |
| 5173 |
while (p && p != (CPUArchState *)cpu_env) {
|
| 5174 |
lastp = &p->next_cpu; |
| 5175 |
p = p->next_cpu; |
| 5176 |
} |
| 5177 |
/* If we didn't find the CPU for this thread then something is
|
| 5178 |
horribly wrong. */
|
| 5179 |
if (!p)
|
| 5180 |
abort(); |
| 5181 |
/* Remove the CPU from the list. */
|
| 5182 |
*lastp = p->next_cpu; |
| 5183 |
cpu_list_unlock(); |
| 5184 |
ts = ((CPUArchState *)cpu_env)->opaque; |
| 5185 |
if (ts->child_tidptr) {
|
| 5186 |
put_user_u32(0, ts->child_tidptr);
|
| 5187 |
sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, |
| 5188 |
NULL, NULL, 0); |
| 5189 |
} |
| 5190 |
thread_env = NULL;
|
| 5191 |
object_delete(OBJECT(ENV_GET_CPU(cpu_env))); |
| 5192 |
g_free(ts); |
| 5193 |
pthread_exit(NULL);
|
| 5194 |
} |
| 5195 |
#endif
|
| 5196 |
#ifdef TARGET_GPROF
|
| 5197 |
_mcleanup(); |
| 5198 |
#endif
|
| 5199 |
gdb_exit(cpu_env, arg1); |
| 5200 |
_exit(arg1); |
| 5201 |
ret = 0; /* avoid warning */ |
| 5202 |
break;
|
| 5203 |
case TARGET_NR_read:
|
| 5204 |
if (arg3 == 0) |
| 5205 |
ret = 0;
|
| 5206 |
else {
|
| 5207 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
| 5208 |
goto efault;
|
| 5209 |
ret = get_errno(read(arg1, p, arg3)); |
| 5210 |
unlock_user(p, arg2, ret); |
| 5211 |
} |
| 5212 |
break;
|
| 5213 |
case TARGET_NR_write:
|
| 5214 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
| 5215 |
goto efault;
|
| 5216 |
ret = get_errno(write(arg1, p, arg3)); |
| 5217 |
unlock_user(p, arg2, 0);
|
| 5218 |
break;
|
| 5219 |
case TARGET_NR_open:
|
| 5220 |
if (!(p = lock_user_string(arg1)))
|
| 5221 |
goto efault;
|
| 5222 |
ret = get_errno(do_open(cpu_env, p, |
| 5223 |
target_to_host_bitmask(arg2, fcntl_flags_tbl), |
| 5224 |
arg3)); |
| 5225 |
unlock_user(p, arg1, 0);
|
| 5226 |
break;
|
| 5227 |
#if defined(TARGET_NR_openat) && defined(__NR_openat)
|
| 5228 |
case TARGET_NR_openat:
|
| 5229 |
if (!(p = lock_user_string(arg2)))
|
| 5230 |
goto efault;
|
| 5231 |
ret = get_errno(sys_openat(arg1, |
| 5232 |
path(p), |
| 5233 |
target_to_host_bitmask(arg3, fcntl_flags_tbl), |
| 5234 |
arg4)); |
| 5235 |
unlock_user(p, arg2, 0);
|
| 5236 |
break;
|
| 5237 |
#endif
|
| 5238 |
case TARGET_NR_close:
|
| 5239 |
ret = get_errno(close(arg1)); |
| 5240 |
break;
|
| 5241 |
case TARGET_NR_brk:
|
| 5242 |
ret = do_brk(arg1); |
| 5243 |
break;
|
| 5244 |
case TARGET_NR_fork:
|
| 5245 |
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0)); |
| 5246 |
break;
|
| 5247 |
#ifdef TARGET_NR_waitpid
|
| 5248 |
case TARGET_NR_waitpid:
|
| 5249 |
{
|
| 5250 |
int status;
|
| 5251 |
ret = get_errno(waitpid(arg1, &status, arg3)); |
| 5252 |
if (!is_error(ret) && arg2 && ret
|
| 5253 |
&& put_user_s32(host_to_target_waitstatus(status), arg2)) |
| 5254 |
goto efault;
|
| 5255 |
} |
| 5256 |
break;
|
| 5257 |
#endif
|
| 5258 |
#ifdef TARGET_NR_waitid
|
| 5259 |
case TARGET_NR_waitid:
|
| 5260 |
{
|
| 5261 |
siginfo_t info; |
| 5262 |
info.si_pid = 0;
|
| 5263 |
ret = get_errno(waitid(arg1, arg2, &info, arg4)); |
| 5264 |
if (!is_error(ret) && arg3 && info.si_pid != 0) { |
| 5265 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
| 5266 |
goto efault;
|
| 5267 |
host_to_target_siginfo(p, &info); |
| 5268 |
unlock_user(p, arg3, sizeof(target_siginfo_t));
|
| 5269 |
} |
| 5270 |
} |
| 5271 |
break;
|
| 5272 |
#endif
|
| 5273 |
#ifdef TARGET_NR_creat /* not on alpha */ |
| 5274 |
case TARGET_NR_creat:
|
| 5275 |
if (!(p = lock_user_string(arg1)))
|
| 5276 |
goto efault;
|
| 5277 |
ret = get_errno(creat(p, arg2)); |
| 5278 |
unlock_user(p, arg1, 0);
|
| 5279 |
break;
|
| 5280 |
#endif
|
| 5281 |
case TARGET_NR_link:
|
| 5282 |
{
|
| 5283 |
void * p2;
|
| 5284 |
p = lock_user_string(arg1); |
| 5285 |
p2 = lock_user_string(arg2); |
| 5286 |
if (!p || !p2)
|
| 5287 |
ret = -TARGET_EFAULT; |
| 5288 |
else
|
| 5289 |
ret = get_errno(link(p, p2)); |
| 5290 |
unlock_user(p2, arg2, 0);
|
| 5291 |
unlock_user(p, arg1, 0);
|
| 5292 |
} |
| 5293 |
break;
|
| 5294 |
#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
|
| 5295 |
case TARGET_NR_linkat:
|
| 5296 |
{
|
| 5297 |
void * p2 = NULL; |
| 5298 |
if (!arg2 || !arg4)
|
| 5299 |
goto efault;
|
| 5300 |
p = lock_user_string(arg2); |
| 5301 |
p2 = lock_user_string(arg4); |
| 5302 |
if (!p || !p2)
|
| 5303 |
ret = -TARGET_EFAULT; |
| 5304 |
else
|
| 5305 |
ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); |
| 5306 |
unlock_user(p, arg2, 0);
|
| 5307 |
unlock_user(p2, arg4, 0);
|
| 5308 |
} |
| 5309 |
break;
|
| 5310 |
#endif
|
| 5311 |
case TARGET_NR_unlink:
|
| 5312 |
if (!(p = lock_user_string(arg1)))
|
| 5313 |
goto efault;
|
| 5314 |
ret = get_errno(unlink(p)); |
| 5315 |
unlock_user(p, arg1, 0);
|
| 5316 |
break;
|
| 5317 |
#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
|
| 5318 |
case TARGET_NR_unlinkat:
|
| 5319 |
if (!(p = lock_user_string(arg2)))
|
| 5320 |
goto efault;
|
| 5321 |
ret = get_errno(sys_unlinkat(arg1, p, arg3)); |
| 5322 |
unlock_user(p, arg2, 0);
|
| 5323 |
break;
|
| 5324 |
#endif
|
| 5325 |
case TARGET_NR_execve:
|
| 5326 |
{
|
| 5327 |
char **argp, **envp;
|
| 5328 |
int argc, envc;
|
| 5329 |
abi_ulong gp; |
| 5330 |
abi_ulong guest_argp; |
| 5331 |
abi_ulong guest_envp; |
| 5332 |
abi_ulong addr; |
| 5333 |
char **q;
|
| 5334 |
int total_size = 0; |
| 5335 |
|
| 5336 |
argc = 0;
|
| 5337 |
guest_argp = arg2; |
| 5338 |
for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
| 5339 |
if (get_user_ual(addr, gp))
|
| 5340 |
goto efault;
|
| 5341 |
if (!addr)
|
| 5342 |
break;
|
| 5343 |
argc++; |
| 5344 |
} |
| 5345 |
envc = 0;
|
| 5346 |
guest_envp = arg3; |
| 5347 |
for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
| 5348 |
if (get_user_ual(addr, gp))
|
| 5349 |
goto efault;
|
| 5350 |
if (!addr)
|
| 5351 |
break;
|
| 5352 |
envc++; |
| 5353 |
} |
| 5354 |
|
| 5355 |
argp = alloca((argc + 1) * sizeof(void *)); |
| 5356 |
envp = alloca((envc + 1) * sizeof(void *)); |
| 5357 |
|
| 5358 |
for (gp = guest_argp, q = argp; gp;
|
| 5359 |
gp += sizeof(abi_ulong), q++) {
|
| 5360 |
if (get_user_ual(addr, gp))
|
| 5361 |
goto execve_efault;
|
| 5362 |
if (!addr)
|
| 5363 |
break;
|
| 5364 |
if (!(*q = lock_user_string(addr)))
|
| 5365 |
goto execve_efault;
|
| 5366 |
total_size += strlen(*q) + 1;
|
| 5367 |
} |
| 5368 |
*q = NULL;
|
| 5369 |
|
| 5370 |
for (gp = guest_envp, q = envp; gp;
|
| 5371 |
gp += sizeof(abi_ulong), q++) {
|
| 5372 |
if (get_user_ual(addr, gp))
|
| 5373 |
goto execve_efault;
|
| 5374 |
if (!addr)
|
| 5375 |
break;
|
| 5376 |
if (!(*q = lock_user_string(addr)))
|
| 5377 |
goto execve_efault;
|
| 5378 |
total_size += strlen(*q) + 1;
|
| 5379 |
} |
| 5380 |
*q = NULL;
|
| 5381 |
|
| 5382 |
/* This case will not be caught by the host's execve() if its
|
| 5383 |
page size is bigger than the target's. */
|
| 5384 |
if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
|
| 5385 |
ret = -TARGET_E2BIG; |
| 5386 |
goto execve_end;
|
| 5387 |
} |
| 5388 |
if (!(p = lock_user_string(arg1)))
|
| 5389 |
goto execve_efault;
|
| 5390 |
ret = get_errno(execve(p, argp, envp)); |
| 5391 |
unlock_user(p, arg1, 0);
|
| 5392 |
|
| 5393 |
goto execve_end;
|
| 5394 |
|
| 5395 |
execve_efault:
|
| 5396 |
ret = -TARGET_EFAULT; |
| 5397 |
|
| 5398 |
execve_end:
|
| 5399 |
for (gp = guest_argp, q = argp; *q;
|
| 5400 |
gp += sizeof(abi_ulong), q++) {
|
| 5401 |
if (get_user_ual(addr, gp)
|
| 5402 |
|| !addr) |
| 5403 |
break;
|
| 5404 |
unlock_user(*q, addr, 0);
|
| 5405 |
} |
| 5406 |
for (gp = guest_envp, q = envp; *q;
|
| 5407 |
gp += sizeof(abi_ulong), q++) {
|
| 5408 |
if (get_user_ual(addr, gp)
|
| 5409 |
|| !addr) |
| 5410 |
break;
|
| 5411 |
unlock_user(*q, addr, 0);
|
| 5412 |
} |
| 5413 |
} |
| 5414 |
break;
|
| 5415 |
case TARGET_NR_chdir:
|
| 5416 |
if (!(p = lock_user_string(arg1)))
|
| 5417 |
goto efault;
|
| 5418 |
ret = get_errno(chdir(p)); |
| 5419 |
unlock_user(p, arg1, 0);
|
| 5420 |
break;
|
| 5421 |
#ifdef TARGET_NR_time
|
| 5422 |
case TARGET_NR_time:
|
| 5423 |
{
|
| 5424 |
time_t host_time; |
| 5425 |
ret = get_errno(time(&host_time)); |
| 5426 |
if (!is_error(ret)
|
| 5427 |
&& arg1 |
| 5428 |
&& put_user_sal(host_time, arg1)) |
| 5429 |
goto efault;
|
| 5430 |
} |
| 5431 |
break;
|
| 5432 |
#endif
|
| 5433 |
case TARGET_NR_mknod:
|
| 5434 |
if (!(p = lock_user_string(arg1)))
|
| 5435 |
goto efault;
|
| 5436 |
ret = get_errno(mknod(p, arg2, arg3)); |
| 5437 |
unlock_user(p, arg1, 0);
|
| 5438 |
break;
|
| 5439 |
#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
|
| 5440 |
case TARGET_NR_mknodat:
|
| 5441 |
if (!(p = lock_user_string(arg2)))
|
| 5442 |
goto efault;
|
| 5443 |
ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); |
| 5444 |
unlock_user(p, arg2, 0);
|
| 5445 |
break;
|
| 5446 |
#endif
|
| 5447 |
case TARGET_NR_chmod:
|
| 5448 |
if (!(p = lock_user_string(arg1)))
|
| 5449 |
goto efault;
|
| 5450 |
ret = get_errno(chmod(p, arg2)); |
| 5451 |
unlock_user(p, arg1, 0);
|
| 5452 |
break;
|
| 5453 |
#ifdef TARGET_NR_break
|
| 5454 |
case TARGET_NR_break:
|
| 5455 |
goto unimplemented;
|
| 5456 |
#endif
|
| 5457 |
#ifdef TARGET_NR_oldstat
|
| 5458 |
case TARGET_NR_oldstat:
|
| 5459 |
goto unimplemented;
|
| 5460 |
#endif
|
| 5461 |
case TARGET_NR_lseek:
|
| 5462 |
ret = get_errno(lseek(arg1, arg2, arg3)); |
| 5463 |
break;
|
| 5464 |
#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
|
| 5465 |
/* Alpha specific */
|
| 5466 |
case TARGET_NR_getxpid:
|
| 5467 |
((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
| 5468 |
ret = get_errno(getpid()); |
| 5469 |
break;
|
| 5470 |
#endif
|
| 5471 |
#ifdef TARGET_NR_getpid
|
| 5472 |
case TARGET_NR_getpid:
|
| 5473 |
ret = get_errno(getpid()); |
| 5474 |
break;
|
| 5475 |
#endif
|
| 5476 |
case TARGET_NR_mount:
|
| 5477 |
{
|
| 5478 |
/* need to look at the data field */
|
| 5479 |
void *p2, *p3;
|
| 5480 |
p = lock_user_string(arg1); |
| 5481 |
p2 = lock_user_string(arg2); |
| 5482 |
p3 = lock_user_string(arg3); |
| 5483 |
if (!p || !p2 || !p3)
|
| 5484 |
ret = -TARGET_EFAULT; |
| 5485 |
else {
|
| 5486 |
/* FIXME - arg5 should be locked, but it isn't clear how to
|
| 5487 |
* do that since it's not guaranteed to be a NULL-terminated
|
| 5488 |
* string.
|
| 5489 |
*/
|
| 5490 |
if ( ! arg5 )
|
| 5491 |
ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL)); |
| 5492 |
else
|
| 5493 |
ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5))); |
| 5494 |
} |
| 5495 |
unlock_user(p, arg1, 0);
|
| 5496 |
unlock_user(p2, arg2, 0);
|
| 5497 |
unlock_user(p3, arg3, 0);
|
| 5498 |
break;
|
| 5499 |
} |
| 5500 |
#ifdef TARGET_NR_umount
|
| 5501 |
case TARGET_NR_umount:
|
| 5502 |
if (!(p = lock_user_string(arg1)))
|
| 5503 |
goto efault;
|
| 5504 |
ret = get_errno(umount(p)); |
| 5505 |
unlock_user(p, arg1, 0);
|
| 5506 |
break;
|
| 5507 |
#endif
|
| 5508 |
#ifdef TARGET_NR_stime /* not on alpha */ |
| 5509 |
case TARGET_NR_stime:
|
| 5510 |
{
|
| 5511 |
time_t host_time; |
| 5512 |
if (get_user_sal(host_time, arg1))
|
| 5513 |
goto efault;
|
| 5514 |
ret = get_errno(stime(&host_time)); |
| 5515 |
} |
| 5516 |
break;
|
| 5517 |
#endif
|
| 5518 |
case TARGET_NR_ptrace:
|
| 5519 |
goto unimplemented;
|
| 5520 |
#ifdef TARGET_NR_alarm /* not on alpha */ |
| 5521 |
case TARGET_NR_alarm:
|
| 5522 |
ret = alarm(arg1); |
| 5523 |
break;
|
| 5524 |
#endif
|
| 5525 |
#ifdef TARGET_NR_oldfstat
|
| 5526 |
case TARGET_NR_oldfstat:
|
| 5527 |
goto unimplemented;
|
| 5528 |
#endif
|
| 5529 |
#ifdef TARGET_NR_pause /* not on alpha */ |
| 5530 |
case TARGET_NR_pause:
|
| 5531 |
ret = get_errno(pause()); |
| 5532 |
break;
|
| 5533 |
#endif
|
| 5534 |
#ifdef TARGET_NR_utime
|
| 5535 |
case TARGET_NR_utime:
|
| 5536 |
{
|
| 5537 |
struct utimbuf tbuf, *host_tbuf;
|
| 5538 |
struct target_utimbuf *target_tbuf;
|
| 5539 |
if (arg2) {
|
| 5540 |
if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
| 5541 |
goto efault;
|
| 5542 |
tbuf.actime = tswapal(target_tbuf->actime); |
| 5543 |
tbuf.modtime = tswapal(target_tbuf->modtime); |
| 5544 |
unlock_user_struct(target_tbuf, arg2, 0);
|
| 5545 |
host_tbuf = &tbuf; |
| 5546 |
} else {
|
| 5547 |
host_tbuf = NULL;
|
| 5548 |
} |
| 5549 |
if (!(p = lock_user_string(arg1)))
|
| 5550 |
goto efault;
|
| 5551 |
ret = get_errno(utime(p, host_tbuf)); |
| 5552 |
unlock_user(p, arg1, 0);
|
| 5553 |
} |
| 5554 |
break;
|
| 5555 |
#endif
|
| 5556 |
case TARGET_NR_utimes:
|
| 5557 |
{
|
| 5558 |
struct timeval *tvp, tv[2]; |
| 5559 |
if (arg2) {
|
| 5560 |
if (copy_from_user_timeval(&tv[0], arg2) |
| 5561 |
|| copy_from_user_timeval(&tv[1],
|
| 5562 |
arg2 + sizeof(struct target_timeval))) |
| 5563 |
goto efault;
|
| 5564 |
tvp = tv; |
| 5565 |
} else {
|
| 5566 |
tvp = NULL;
|
| 5567 |
} |
| 5568 |
if (!(p = lock_user_string(arg1)))
|
| 5569 |
goto efault;
|
| 5570 |
ret = get_errno(utimes(p, tvp)); |
| 5571 |
unlock_user(p, arg1, 0);
|
| 5572 |
} |
| 5573 |
break;
|
| 5574 |
#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
|
| 5575 |
case TARGET_NR_futimesat:
|
| 5576 |
{
|
| 5577 |
struct timeval *tvp, tv[2]; |
| 5578 |
if (arg3) {
|
| 5579 |
if (copy_from_user_timeval(&tv[0], arg3) |
| 5580 |
|| copy_from_user_timeval(&tv[1],
|
| 5581 |
arg3 + sizeof(struct target_timeval))) |
| 5582 |
goto efault;
|
| 5583 |
tvp = tv; |
| 5584 |
} else {
|
| 5585 |
tvp = NULL;
|
| 5586 |
} |
| 5587 |
if (!(p = lock_user_string(arg2)))
|
| 5588 |
goto efault;
|
| 5589 |
ret = get_errno(sys_futimesat(arg1, path(p), tvp)); |
| 5590 |
unlock_user(p, arg2, 0);
|
| 5591 |
} |
| 5592 |
break;
|
| 5593 |
#endif
|
| 5594 |
#ifdef TARGET_NR_stty
|
| 5595 |
case TARGET_NR_stty:
|
| 5596 |
goto unimplemented;
|
| 5597 |
#endif
|
| 5598 |
#ifdef TARGET_NR_gtty
|
| 5599 |
case TARGET_NR_gtty:
|
| 5600 |
goto unimplemented;
|
| 5601 |
#endif
|
| 5602 |
case TARGET_NR_access:
|
| 5603 |
if (!(p = lock_user_string(arg1)))
|
| 5604 |
goto efault;
|
| 5605 |
ret = get_errno(access(path(p), arg2)); |
| 5606 |
unlock_user(p, arg1, 0);
|
| 5607 |
break;
|
| 5608 |
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
|
| 5609 |
case TARGET_NR_faccessat:
|
| 5610 |
if (!(p = lock_user_string(arg2)))
|
| 5611 |
goto efault;
|
| 5612 |
ret = get_errno(sys_faccessat(arg1, p, arg3)); |
| 5613 |
unlock_user(p, arg2, 0);
|
| 5614 |
break;
|
| 5615 |
#endif
|
| 5616 |
#ifdef TARGET_NR_nice /* not on alpha */ |
| 5617 |
case TARGET_NR_nice:
|
| 5618 |
ret = get_errno(nice(arg1)); |
| 5619 |
break;
|
| 5620 |
#endif
|
| 5621 |
#ifdef TARGET_NR_ftime
|
| 5622 |
case TARGET_NR_ftime:
|
| 5623 |
goto unimplemented;
|
| 5624 |
#endif
|
| 5625 |
case TARGET_NR_sync:
|
| 5626 |
sync(); |
| 5627 |
ret = 0;
|
| 5628 |
break;
|
| 5629 |
case TARGET_NR_kill:
|
| 5630 |
ret = get_errno(kill(arg1, target_to_host_signal(arg2))); |
| 5631 |
break;
|
| 5632 |
case TARGET_NR_rename:
|
| 5633 |
{
|
| 5634 |
void *p2;
|
| 5635 |
p = lock_user_string(arg1); |
| 5636 |
p2 = lock_user_string(arg2); |
| 5637 |
if (!p || !p2)
|
| 5638 |
ret = -TARGET_EFAULT; |
| 5639 |
else
|
| 5640 |
ret = get_errno(rename(p, p2)); |
| 5641 |
unlock_user(p2, arg2, 0);
|
| 5642 |
unlock_user(p, arg1, 0);
|
| 5643 |
} |
| 5644 |
break;
|
| 5645 |
#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
|
| 5646 |
case TARGET_NR_renameat:
|
| 5647 |
{
|
| 5648 |
void *p2;
|
| 5649 |
p = lock_user_string(arg2); |
| 5650 |
p2 = lock_user_string(arg4); |
| 5651 |
if (!p || !p2)
|
| 5652 |
ret = -TARGET_EFAULT; |
| 5653 |
else
|
| 5654 |
ret = get_errno(sys_renameat(arg1, p, arg3, p2)); |
| 5655 |
unlock_user(p2, arg4, 0);
|
| 5656 |
unlock_user(p, arg2, 0);
|
| 5657 |
} |
| 5658 |
break;
|
| 5659 |
#endif
|
| 5660 |
case TARGET_NR_mkdir:
|
| 5661 |
if (!(p = lock_user_string(arg1)))
|
| 5662 |
goto efault;
|
| 5663 |
ret = get_errno(mkdir(p, arg2)); |
| 5664 |
unlock_user(p, arg1, 0);
|
| 5665 |
break;
|
| 5666 |
#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
|
| 5667 |
case TARGET_NR_mkdirat:
|
| 5668 |
if (!(p = lock_user_string(arg2)))
|
| 5669 |
goto efault;
|
| 5670 |
ret = get_errno(sys_mkdirat(arg1, p, arg3)); |
| 5671 |
unlock_user(p, arg2, 0);
|
| 5672 |
break;
|
| 5673 |
#endif
|
| 5674 |
case TARGET_NR_rmdir:
|
| 5675 |
if (!(p = lock_user_string(arg1)))
|
| 5676 |
goto efault;
|
| 5677 |
ret = get_errno(rmdir(p)); |
| 5678 |
unlock_user(p, arg1, 0);
|
| 5679 |
break;
|
| 5680 |
case TARGET_NR_dup:
|
| 5681 |
ret = get_errno(dup(arg1)); |
| 5682 |
break;
|
| 5683 |
case TARGET_NR_pipe:
|
| 5684 |
ret = do_pipe(cpu_env, arg1, 0, 0); |
| 5685 |
break;
|
| 5686 |
#ifdef TARGET_NR_pipe2
|
| 5687 |
case TARGET_NR_pipe2:
|
| 5688 |
ret = do_pipe(cpu_env, arg1, |
| 5689 |
target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
|
| 5690 |
break;
|
| 5691 |
#endif
|
| 5692 |
case TARGET_NR_times:
|
| 5693 |
{
|
| 5694 |
struct target_tms *tmsp;
|
| 5695 |
struct tms tms;
|
| 5696 |
ret = get_errno(times(&tms)); |
| 5697 |
if (arg1) {
|
| 5698 |
tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
| 5699 |
if (!tmsp)
|
| 5700 |
goto efault;
|
| 5701 |
tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
| 5702 |
tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); |
| 5703 |
tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); |
| 5704 |
tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); |
| 5705 |
} |
| 5706 |
if (!is_error(ret))
|
| 5707 |
ret = host_to_target_clock_t(ret); |
| 5708 |
} |
| 5709 |
break;
|
| 5710 |
#ifdef TARGET_NR_prof
|
| 5711 |
case TARGET_NR_prof:
|
| 5712 |
goto unimplemented;
|
| 5713 |
#endif
|
| 5714 |
#ifdef TARGET_NR_signal
|
| 5715 |
case TARGET_NR_signal:
|
| 5716 |
goto unimplemented;
|
| 5717 |
#endif
|
| 5718 |
case TARGET_NR_acct:
|
| 5719 |
if (arg1 == 0) { |
| 5720 |
ret = get_errno(acct(NULL));
|
| 5721 |
} else {
|
| 5722 |
if (!(p = lock_user_string(arg1)))
|
| 5723 |
goto efault;
|
| 5724 |
ret = get_errno(acct(path(p))); |
| 5725 |
unlock_user(p, arg1, 0);
|
| 5726 |
} |
| 5727 |
break;
|
| 5728 |
#ifdef TARGET_NR_umount2 /* not on alpha */ |
| 5729 |
case TARGET_NR_umount2:
|
| 5730 |
if (!(p = lock_user_string(arg1)))
|
| 5731 |
goto efault;
|
| 5732 |
ret = get_errno(umount2(p, arg2)); |
| 5733 |
unlock_user(p, arg1, 0);
|
| 5734 |
break;
|
| 5735 |
#endif
|
| 5736 |
#ifdef TARGET_NR_lock
|
| 5737 |
case TARGET_NR_lock:
|
| 5738 |
goto unimplemented;
|
| 5739 |
#endif
|
| 5740 |
case TARGET_NR_ioctl:
|
| 5741 |
ret = do_ioctl(arg1, arg2, arg3); |
| 5742 |
break;
|
| 5743 |
case TARGET_NR_fcntl:
|
| 5744 |
ret = do_fcntl(arg1, arg2, arg3); |
| 5745 |
break;
|
| 5746 |
#ifdef TARGET_NR_mpx
|
| 5747 |
case TARGET_NR_mpx:
|
| 5748 |
goto unimplemented;
|
| 5749 |
#endif
|
| 5750 |
case TARGET_NR_setpgid:
|
| 5751 |
ret = get_errno(setpgid(arg1, arg2)); |
| 5752 |
break;
|
| 5753 |
#ifdef TARGET_NR_ulimit
|
| 5754 |
case TARGET_NR_ulimit:
|
| 5755 |
goto unimplemented;
|
| 5756 |
#endif
|
| 5757 |
#ifdef TARGET_NR_oldolduname
|
| 5758 |
case TARGET_NR_oldolduname:
|
| 5759 |
goto unimplemented;
|
| 5760 |
#endif
|
| 5761 |
case TARGET_NR_umask:
|
| 5762 |
ret = get_errno(umask(arg1)); |
| 5763 |
break;
|
| 5764 |
case TARGET_NR_chroot:
|
| 5765 |
if (!(p = lock_user_string(arg1)))
|
| 5766 |
goto efault;
|
| 5767 |
ret = get_errno(chroot(p)); |
| 5768 |
unlock_user(p, arg1, 0);
|
| 5769 |
break;
|
| 5770 |
case TARGET_NR_ustat:
|
| 5771 |
goto unimplemented;
|
| 5772 |
case TARGET_NR_dup2:
|
| 5773 |
ret = get_errno(dup2(arg1, arg2)); |
| 5774 |
break;
|
| 5775 |
#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
|
| 5776 |
case TARGET_NR_dup3:
|
| 5777 |
ret = get_errno(dup3(arg1, arg2, arg3)); |
| 5778 |
break;
|
| 5779 |
#endif
|
| 5780 |
#ifdef TARGET_NR_getppid /* not on alpha */ |
| 5781 |
case TARGET_NR_getppid:
|
| 5782 |
ret = get_errno(getppid()); |
| 5783 |
break;
|
| 5784 |
#endif
|
| 5785 |
case TARGET_NR_getpgrp:
|
| 5786 |
ret = get_errno(getpgrp()); |
| 5787 |
break;
|
| 5788 |
case TARGET_NR_setsid:
|
| 5789 |
ret = get_errno(setsid()); |
| 5790 |
break;
|
| 5791 |
#ifdef TARGET_NR_sigaction
|
| 5792 |
case TARGET_NR_sigaction:
|
| 5793 |
{
|
| 5794 |
#if defined(TARGET_ALPHA)
|
| 5795 |
struct target_sigaction act, oact, *pact = 0; |
| 5796 |
struct target_old_sigaction *old_act;
|
| 5797 |
if (arg2) {
|
| 5798 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
| 5799 |
goto efault;
|
| 5800 |
act._sa_handler = old_act->_sa_handler; |
| 5801 |
target_siginitset(&act.sa_mask, old_act->sa_mask); |
| 5802 |
act.sa_flags = old_act->sa_flags; |
| 5803 |
act.sa_restorer = 0;
|
| 5804 |
unlock_user_struct(old_act, arg2, 0);
|
| 5805 |
pact = &act; |
| 5806 |
} |
| 5807 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
| 5808 |
if (!is_error(ret) && arg3) {
|
| 5809 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
| 5810 |
goto efault;
|
| 5811 |
old_act->_sa_handler = oact._sa_handler; |
| 5812 |
old_act->sa_mask = oact.sa_mask.sig[0];
|
| 5813 |
old_act->sa_flags = oact.sa_flags; |
| 5814 |
unlock_user_struct(old_act, arg3, 1);
|
| 5815 |
} |
| 5816 |
#elif defined(TARGET_MIPS)
|
| 5817 |
struct target_sigaction act, oact, *pact, *old_act;
|
| 5818 |
|
| 5819 |
if (arg2) {
|
| 5820 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
| 5821 |
goto efault;
|
| 5822 |
act._sa_handler = old_act->_sa_handler; |
| 5823 |
target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
|
| 5824 |
act.sa_flags = old_act->sa_flags; |
| 5825 |
unlock_user_struct(old_act, arg2, 0);
|
| 5826 |
pact = &act; |
| 5827 |
} else {
|
| 5828 |
pact = NULL;
|
| 5829 |
} |
| 5830 |
|
| 5831 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
| 5832 |
|
| 5833 |
if (!is_error(ret) && arg3) {
|
| 5834 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
| 5835 |
goto efault;
|
| 5836 |
old_act->_sa_handler = oact._sa_handler; |
| 5837 |
old_act->sa_flags = oact.sa_flags; |
| 5838 |
old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; |
| 5839 |
old_act->sa_mask.sig[1] = 0; |
| 5840 |
old_act->sa_mask.sig[2] = 0; |
| 5841 |
old_act->sa_mask.sig[3] = 0; |
| 5842 |
unlock_user_struct(old_act, arg3, 1);
|
| 5843 |
} |
| 5844 |
#else
|
| 5845 |
struct target_old_sigaction *old_act;
|
| 5846 |
struct target_sigaction act, oact, *pact;
|
| 5847 |
if (arg2) {
|
| 5848 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
| 5849 |
goto efault;
|
| 5850 |
act._sa_handler = old_act->_sa_handler; |
| 5851 |
target_siginitset(&act.sa_mask, old_act->sa_mask); |
| 5852 |
act.sa_flags = old_act->sa_flags; |
| 5853 |
act.sa_restorer = old_act->sa_restorer; |
| 5854 |
unlock_user_struct(old_act, arg2, 0);
|
| 5855 |
pact = &act; |
| 5856 |
} else {
|
| 5857 |
pact = NULL;
|
| 5858 |
} |
| 5859 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
| 5860 |
if (!is_error(ret) && arg3) {
|
| 5861 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
| 5862 |
goto efault;
|
| 5863 |
old_act->_sa_handler = oact._sa_handler; |
| 5864 |
old_act->sa_mask = oact.sa_mask.sig[0];
|
| 5865 |
old_act->sa_flags = oact.sa_flags; |
| 5866 |
old_act->sa_restorer = oact.sa_restorer; |
| 5867 |
unlock_user_struct(old_act, arg3, 1);
|
| 5868 |
} |
| 5869 |
#endif
|
| 5870 |
} |
| 5871 |
break;
|
| 5872 |
#endif
|
| 5873 |
case TARGET_NR_rt_sigaction:
|
| 5874 |
{
|
| 5875 |
#if defined(TARGET_ALPHA)
|
| 5876 |
struct target_sigaction act, oact, *pact = 0; |
| 5877 |
struct target_rt_sigaction *rt_act;
|
| 5878 |
/* ??? arg4 == sizeof(sigset_t). */
|
| 5879 |
if (arg2) {
|
| 5880 |
if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) |
| 5881 |
goto efault;
|
| 5882 |
act._sa_handler = rt_act->_sa_handler; |
| 5883 |
act.sa_mask = rt_act->sa_mask; |
| 5884 |
act.sa_flags = rt_act->sa_flags; |
| 5885 |
act.sa_restorer = arg5; |
| 5886 |
unlock_user_struct(rt_act, arg2, 0);
|
| 5887 |
pact = &act; |
| 5888 |
} |
| 5889 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
| 5890 |
if (!is_error(ret) && arg3) {
|
| 5891 |
if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) |
| 5892 |
goto efault;
|
| 5893 |
rt_act->_sa_handler = oact._sa_handler; |
| 5894 |
rt_act->sa_mask = oact.sa_mask; |
| 5895 |
rt_act->sa_flags = oact.sa_flags; |
| 5896 |
unlock_user_struct(rt_act, arg3, 1);
|
| 5897 |
} |
| 5898 |
#else
|
| 5899 |
struct target_sigaction *act;
|
| 5900 |
struct target_sigaction *oact;
|
| 5901 |
|
| 5902 |
if (arg2) {
|
| 5903 |
if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) |
| 5904 |
goto efault;
|
| 5905 |
} else
|
| 5906 |
act = NULL;
|
| 5907 |
if (arg3) {
|
| 5908 |
if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { |
| 5909 |
ret = -TARGET_EFAULT; |
| 5910 |
goto rt_sigaction_fail;
|
| 5911 |
} |
| 5912 |
} else
|
| 5913 |
oact = NULL;
|
| 5914 |
ret = get_errno(do_sigaction(arg1, act, oact)); |
| 5915 |
rt_sigaction_fail:
|
| 5916 |
if (act)
|
| 5917 |
unlock_user_struct(act, arg2, 0);
|
| 5918 |
if (oact)
|
| 5919 |
unlock_user_struct(oact, arg3, 1);
|
| 5920 |
#endif
|
| 5921 |
} |
| 5922 |
break;
|
| 5923 |
#ifdef TARGET_NR_sgetmask /* not on alpha */ |
| 5924 |
case TARGET_NR_sgetmask:
|
| 5925 |
{
|
| 5926 |
sigset_t cur_set; |
| 5927 |
abi_ulong target_set; |
| 5928 |
sigprocmask(0, NULL, &cur_set); |
| 5929 |
host_to_target_old_sigset(&target_set, &cur_set); |
| 5930 |
ret = target_set; |
| 5931 |
} |
| 5932 |
break;
|
| 5933 |
#endif
|
| 5934 |
#ifdef TARGET_NR_ssetmask /* not on alpha */ |
| 5935 |
case TARGET_NR_ssetmask:
|
| 5936 |
{
|
| 5937 |
sigset_t set, oset, cur_set; |
| 5938 |
abi_ulong target_set = arg1; |
| 5939 |
sigprocmask(0, NULL, &cur_set); |
| 5940 |
target_to_host_old_sigset(&set, &target_set); |
| 5941 |
sigorset(&set, &set, &cur_set); |
| 5942 |
sigprocmask(SIG_SETMASK, &set, &oset); |
| 5943 |
host_to_target_old_sigset(&target_set, &oset); |
| 5944 |
ret = target_set; |
| 5945 |
} |
| 5946 |
break;
|
| 5947 |
#endif
|
| 5948 |
#ifdef TARGET_NR_sigprocmask
|
| 5949 |
case TARGET_NR_sigprocmask:
|
| 5950 |
{
|
| 5951 |
#if defined(TARGET_ALPHA)
|
| 5952 |
sigset_t set, oldset; |
| 5953 |
abi_ulong mask; |
| 5954 |
int how;
|
| 5955 |
|
| 5956 |
switch (arg1) {
|
| 5957 |
case TARGET_SIG_BLOCK:
|
| 5958 |
how = SIG_BLOCK; |
| 5959 |
break;
|
| 5960 |
case TARGET_SIG_UNBLOCK:
|
| 5961 |
how = SIG_UNBLOCK; |
| 5962 |
break;
|
| 5963 |
case TARGET_SIG_SETMASK:
|
| 5964 |
how = SIG_SETMASK; |
| 5965 |
break;
|
| 5966 |
default:
|
| 5967 |
ret = -TARGET_EINVAL; |
| 5968 |
goto fail;
|
| 5969 |
} |
| 5970 |
mask = arg2; |
| 5971 |
target_to_host_old_sigset(&set, &mask); |
| 5972 |
|
| 5973 |
ret = get_errno(sigprocmask(how, &set, &oldset)); |
| 5974 |
if (!is_error(ret)) {
|
| 5975 |
host_to_target_old_sigset(&mask, &oldset); |
| 5976 |
ret = mask; |
| 5977 |
((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
| 5978 |
} |
| 5979 |
#else
|
| 5980 |
sigset_t set, oldset, *set_ptr; |
| 5981 |
int how;
|
| 5982 |
|
| 5983 |
if (arg2) {
|
| 5984 |
switch (arg1) {
|
| 5985 |
case TARGET_SIG_BLOCK:
|
| 5986 |
how = SIG_BLOCK; |
| 5987 |
break;
|
| 5988 |
case TARGET_SIG_UNBLOCK:
|
| 5989 |
how = SIG_UNBLOCK; |
| 5990 |
break;
|
| 5991 |
case TARGET_SIG_SETMASK:
|
| 5992 |
how = SIG_SETMASK; |
| 5993 |
break;
|
| 5994 |
default:
|
| 5995 |
ret = -TARGET_EINVAL; |
| 5996 |
goto fail;
|
| 5997 |
} |
| 5998 |
if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
| 5999 |
goto efault;
|
| 6000 |
target_to_host_old_sigset(&set, p); |
| 6001 |
unlock_user(p, arg2, 0);
|
| 6002 |
set_ptr = &set; |
| 6003 |
} else {
|
| 6004 |
how = 0;
|
| 6005 |
set_ptr = NULL;
|
| 6006 |
} |
| 6007 |
ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
| 6008 |
if (!is_error(ret) && arg3) {
|
| 6009 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
| 6010 |
goto efault;
|
| 6011 |
host_to_target_old_sigset(p, &oldset); |
| 6012 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
| 6013 |
} |
| 6014 |
#endif
|
| 6015 |
} |
| 6016 |
break;
|
| 6017 |
#endif
|
| 6018 |
case TARGET_NR_rt_sigprocmask:
|
| 6019 |
{
|
| 6020 |
int how = arg1;
|
| 6021 |
sigset_t set, oldset, *set_ptr; |
| 6022 |
|
| 6023 |
if (arg2) {
|
| 6024 |
switch(how) {
|
| 6025 |
case TARGET_SIG_BLOCK:
|
| 6026 |
how = SIG_BLOCK; |
| 6027 |
break;
|
| 6028 |
case TARGET_SIG_UNBLOCK:
|
| 6029 |
how = SIG_UNBLOCK; |
| 6030 |
break;
|
| 6031 |
case TARGET_SIG_SETMASK:
|
| 6032 |
how = SIG_SETMASK; |
| 6033 |
break;
|
| 6034 |
default:
|
| 6035 |
ret = -TARGET_EINVAL; |
| 6036 |
goto fail;
|
| 6037 |
} |
| 6038 |
if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
| 6039 |
goto efault;
|
| 6040 |
target_to_host_sigset(&set, p); |
| 6041 |
unlock_user(p, arg2, 0);
|
| 6042 |
set_ptr = &set; |
| 6043 |
} else {
|
| 6044 |
how = 0;
|
| 6045 |
set_ptr = NULL;
|
| 6046 |
} |
| 6047 |
ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
| 6048 |
if (!is_error(ret) && arg3) {
|
| 6049 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
| 6050 |
goto efault;
|
| 6051 |
host_to_target_sigset(p, &oldset); |
| 6052 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
| 6053 |
} |
| 6054 |
} |
| 6055 |
break;
|
| 6056 |
#ifdef TARGET_NR_sigpending
|
| 6057 |
case TARGET_NR_sigpending:
|
| 6058 |
{
|
| 6059 |
sigset_t set; |
| 6060 |
ret = get_errno(sigpending(&set)); |
| 6061 |
if (!is_error(ret)) {
|
| 6062 |
if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
| 6063 |
goto efault;
|
| 6064 |
host_to_target_old_sigset(p, &set); |
| 6065 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
| 6066 |
} |
| 6067 |
} |
| 6068 |
break;
|
| 6069 |
#endif
|
| 6070 |
case TARGET_NR_rt_sigpending:
|
| 6071 |
{
|
| 6072 |
sigset_t set; |
| 6073 |
ret = get_errno(sigpending(&set)); |
| 6074 |
if (!is_error(ret)) {
|
| 6075 |
if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
| 6076 |
goto efault;
|
| 6077 |
host_to_target_sigset(p, &set); |
| 6078 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
| 6079 |
} |
| 6080 |
} |
| 6081 |
break;
|
| 6082 |
#ifdef TARGET_NR_sigsuspend
|
| 6083 |
case TARGET_NR_sigsuspend:
|
| 6084 |
{
|
| 6085 |
sigset_t set; |
| 6086 |
#if defined(TARGET_ALPHA)
|
| 6087 |
abi_ulong mask = arg1; |
| 6088 |
target_to_host_old_sigset(&set, &mask); |
| 6089 |
#else
|
| 6090 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
| 6091 |
goto efault;
|
| 6092 |
target_to_host_old_sigset(&set, p); |
| 6093 |
unlock_user(p, arg1, 0);
|
| 6094 |
#endif
|
| 6095 |
ret = get_errno(sigsuspend(&set)); |
| 6096 |
} |
| 6097 |
break;
|
| 6098 |
#endif
|
| 6099 |
case TARGET_NR_rt_sigsuspend:
|
| 6100 |
{
|
| 6101 |
sigset_t set; |
| 6102 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
| 6103 |
goto efault;
|
| 6104 |
target_to_host_sigset(&set, p); |
| 6105 |
unlock_user(p, arg1, 0);
|
| 6106 |
ret = get_errno(sigsuspend(&set)); |
| 6107 |
} |
| 6108 |
break;
|
| 6109 |
case TARGET_NR_rt_sigtimedwait:
|
| 6110 |
{
|
| 6111 |
sigset_t set; |
| 6112 |
struct timespec uts, *puts;
|
| 6113 |
siginfo_t uinfo; |
| 6114 |
|
| 6115 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
| 6116 |
goto efault;
|
| 6117 |
target_to_host_sigset(&set, p); |
| 6118 |
unlock_user(p, arg1, 0);
|
| 6119 |
if (arg3) {
|
| 6120 |
puts = &uts; |
| 6121 |
target_to_host_timespec(puts, arg3); |
| 6122 |
} else {
|
| 6123 |
puts = NULL;
|
| 6124 |
} |
| 6125 |
ret = get_errno(sigtimedwait(&set, &uinfo, puts)); |
| 6126 |
if (!is_error(ret) && arg2) {
|
| 6127 |
if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0))) |
| 6128 |
goto efault;
|
| 6129 |
host_to_target_siginfo(p, &uinfo); |
| 6130 |
unlock_user(p, arg2, sizeof(target_siginfo_t));
|
| 6131 |
} |
| 6132 |
} |
| 6133 |
break;
|
| 6134 |
case TARGET_NR_rt_sigqueueinfo:
|
| 6135 |
{
|
| 6136 |
siginfo_t uinfo; |
| 6137 |
if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) |
| 6138 |
goto efault;
|
| 6139 |
target_to_host_siginfo(&uinfo, p); |
| 6140 |
unlock_user(p, arg1, 0);
|
| 6141 |
ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
| 6142 |
} |
| 6143 |
break;
|
| 6144 |
#ifdef TARGET_NR_sigreturn
|
| 6145 |
case TARGET_NR_sigreturn:
|
| 6146 |
/* NOTE: ret is eax, so not transcoding must be done */
|
| 6147 |
ret = do_sigreturn(cpu_env); |
| 6148 |
break;
|
| 6149 |
#endif
|
| 6150 |
case TARGET_NR_rt_sigreturn:
|
| 6151 |
/* NOTE: ret is eax, so not transcoding must be done */
|
| 6152 |
ret = do_rt_sigreturn(cpu_env); |
| 6153 |
break;
|
| 6154 |
case TARGET_NR_sethostname:
|
| 6155 |
if (!(p = lock_user_string(arg1)))
|
| 6156 |
goto efault;
|
| 6157 |
ret = get_errno(sethostname(p, arg2)); |
| 6158 |
unlock_user(p, arg1, 0);
|
| 6159 |
break;
|
| 6160 |
case TARGET_NR_setrlimit:
|
| 6161 |
{
|
| 6162 |
int resource = target_to_host_resource(arg1);
|
| 6163 |
struct target_rlimit *target_rlim;
|
| 6164 |
struct rlimit rlim;
|
| 6165 |
if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
| 6166 |
goto efault;
|
| 6167 |
rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
| 6168 |
rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); |
| 6169 |
unlock_user_struct(target_rlim, arg2, 0);
|
| 6170 |
ret = get_errno(setrlimit(resource, &rlim)); |
| 6171 |
} |
| 6172 |
break;
|
| 6173 |
case TARGET_NR_getrlimit:
|
| 6174 |
{
|
| 6175 |
int resource = target_to_host_resource(arg1);
|
| 6176 |
struct target_rlimit *target_rlim;
|
| 6177 |
struct rlimit rlim;
|
| 6178 |
|
| 6179 |
ret = get_errno(getrlimit(resource, &rlim)); |
| 6180 |
if (!is_error(ret)) {
|
| 6181 |
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
| 6182 |
goto efault;
|
| 6183 |
target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
| 6184 |
target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); |
| 6185 |
unlock_user_struct(target_rlim, arg2, 1);
|
| 6186 |
} |
| 6187 |
} |
| 6188 |
break;
|
| 6189 |
case TARGET_NR_getrusage:
|
| 6190 |
{
|
| 6191 |
struct rusage rusage;
|
| 6192 |
ret = get_errno(getrusage(arg1, &rusage)); |
| 6193 |
if (!is_error(ret)) {
|
| 6194 |
host_to_target_rusage(arg2, &rusage); |
| 6195 |
} |
| 6196 |
} |
| 6197 |
break;
|
| 6198 |
case TARGET_NR_gettimeofday:
|
| 6199 |
{
|
| 6200 |
struct timeval tv;
|
| 6201 |
ret = get_errno(gettimeofday(&tv, NULL));
|
| 6202 |
if (!is_error(ret)) {
|
| 6203 |
if (copy_to_user_timeval(arg1, &tv))
|
| 6204 |
goto efault;
|
| 6205 |
} |
| 6206 |
} |
| 6207 |
break;
|
| 6208 |
case TARGET_NR_settimeofday:
|
| 6209 |
{
|
| 6210 |
struct timeval tv;
|
| 6211 |
if (copy_from_user_timeval(&tv, arg1))
|
| 6212 |
goto efault;
|
| 6213 |
ret = get_errno(settimeofday(&tv, NULL));
|
| 6214 |
} |
| 6215 |
break;
|
| 6216 |
#if defined(TARGET_NR_select) && !defined(TARGET_S390X) && !defined(TARGET_S390)
|
| 6217 |
case TARGET_NR_select:
|
| 6218 |
{
|
| 6219 |
struct target_sel_arg_struct *sel;
|
| 6220 |
abi_ulong inp, outp, exp, tvp; |
| 6221 |
long nsel;
|
| 6222 |
|
| 6223 |
if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) |
| 6224 |
goto efault;
|
| 6225 |
nsel = tswapal(sel->n); |
| 6226 |
inp = tswapal(sel->inp); |
| 6227 |
outp = tswapal(sel->outp); |
| 6228 |
exp = tswapal(sel->exp); |
| 6229 |
tvp = tswapal(sel->tvp); |
| 6230 |
unlock_user_struct(sel, arg1, 0);
|
| 6231 |
ret = do_select(nsel, inp, outp, exp, tvp); |
| 6232 |
} |
| 6233 |
break;
|
| 6234 |
#endif
|
| 6235 |
#ifdef TARGET_NR_pselect6
|
| 6236 |
case TARGET_NR_pselect6:
|
| 6237 |
{
|
| 6238 |
abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; |
| 6239 |
fd_set rfds, wfds, efds; |
| 6240 |
fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; |
| 6241 |
struct timespec ts, *ts_ptr;
|
| 6242 |
|
| 6243 |
/*
|
| 6244 |
* The 6th arg is actually two args smashed together,
|
| 6245 |
* so we cannot use the C library.
|
| 6246 |
*/
|
| 6247 |
sigset_t set; |
| 6248 |
struct {
|
| 6249 |
sigset_t *set; |
| 6250 |
size_t size; |
| 6251 |
} sig, *sig_ptr; |
| 6252 |
|
| 6253 |
abi_ulong arg_sigset, arg_sigsize, *arg7; |
| 6254 |
target_sigset_t *target_sigset; |
| 6255 |
|
| 6256 |
n = arg1; |
| 6257 |
rfd_addr = arg2; |
| 6258 |
wfd_addr = arg3; |
| 6259 |
efd_addr = arg4; |
| 6260 |
ts_addr = arg5; |
| 6261 |
|
| 6262 |
ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
| 6263 |
if (ret) {
|
| 6264 |
goto fail;
|
| 6265 |
} |
| 6266 |
ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
| 6267 |
if (ret) {
|
| 6268 |
goto fail;
|
| 6269 |
} |
| 6270 |
ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
| 6271 |
if (ret) {
|
| 6272 |
goto fail;
|
| 6273 |
} |
| 6274 |
|
| 6275 |
/*
|
| 6276 |
* This takes a timespec, and not a timeval, so we cannot
|
| 6277 |
* use the do_select() helper ...
|
| 6278 |
*/
|
| 6279 |
if (ts_addr) {
|
| 6280 |
if (target_to_host_timespec(&ts, ts_addr)) {
|
| 6281 |
goto efault;
|
| 6282 |
} |
| 6283 |
ts_ptr = &ts; |
| 6284 |
} else {
|
| 6285 |
ts_ptr = NULL;
|
| 6286 |
} |
| 6287 |
|
| 6288 |
/* Extract the two packed args for the sigset */
|
| 6289 |
if (arg6) {
|
| 6290 |
sig_ptr = &sig; |
| 6291 |
sig.size = _NSIG / 8;
|
| 6292 |
|
| 6293 |
arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); |
| 6294 |
if (!arg7) {
|
| 6295 |
goto efault;
|
| 6296 |
} |
| 6297 |
arg_sigset = tswapal(arg7[0]);
|
| 6298 |
arg_sigsize = tswapal(arg7[1]);
|
| 6299 |
unlock_user(arg7, arg6, 0);
|
| 6300 |
|
| 6301 |
if (arg_sigset) {
|
| 6302 |
sig.set = &set; |
| 6303 |
if (arg_sigsize != sizeof(*target_sigset)) { |
| 6304 |
/* Like the kernel, we enforce correct size sigsets */
|
| 6305 |
ret = -TARGET_EINVAL; |
| 6306 |
goto fail;
|
| 6307 |
} |
| 6308 |
target_sigset = lock_user(VERIFY_READ, arg_sigset, |
| 6309 |
sizeof(*target_sigset), 1); |
| 6310 |
if (!target_sigset) {
|
| 6311 |
goto efault;
|
| 6312 |
} |
| 6313 |
target_to_host_sigset(&set, target_sigset); |
| 6314 |
unlock_user(target_sigset, arg_sigset, 0);
|
| 6315 |
} else {
|
| 6316 |
sig.set = NULL;
|
| 6317 |
} |
| 6318 |
} else {
|
| 6319 |
sig_ptr = NULL;
|
| 6320 |
} |
| 6321 |
|
| 6322 |
ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
| 6323 |
ts_ptr, sig_ptr)); |
| 6324 |
|
| 6325 |
if (!is_error(ret)) {
|
| 6326 |
if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
|
| 6327 |
goto efault;
|
| 6328 |
if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
|
| 6329 |
goto efault;
|
| 6330 |
if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
|
| 6331 |
goto efault;
|
| 6332 |
|
| 6333 |
if (ts_addr && host_to_target_timespec(ts_addr, &ts))
|
| 6334 |
goto efault;
|
| 6335 |
} |
| 6336 |
} |
| 6337 |
break;
|
| 6338 |
#endif
|
| 6339 |
case TARGET_NR_symlink:
|
| 6340 |
{
|
| 6341 |
void *p2;
|
| 6342 |
p = lock_user_string(arg1); |
| 6343 |
p2 = lock_user_string(arg2); |
| 6344 |
if (!p || !p2)
|
| 6345 |
ret = -TARGET_EFAULT; |
| 6346 |
else
|
| 6347 |
ret = get_errno(symlink(p, p2)); |
| 6348 |
unlock_user(p2, arg2, 0);
|
| 6349 |
unlock_user(p, arg1, 0);
|
| 6350 |
} |
| 6351 |
break;
|
| 6352 |
#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
|
| 6353 |
case TARGET_NR_symlinkat:
|
| 6354 |
{
|
| 6355 |
void *p2;
|
| 6356 |
p = lock_user_string(arg1); |
| 6357 |
p2 = lock_user_string(arg3); |
| 6358 |
if (!p || !p2)
|
| 6359 |
ret = -TARGET_EFAULT; |
| 6360 |
else
|
| 6361 |
ret = get_errno(sys_symlinkat(p, arg2, p2)); |
| 6362 |
unlock_user(p2, arg3, 0);
|
| 6363 |
unlock_user(p, arg1, 0);
|
| 6364 |
} |
| 6365 |
break;
|
| 6366 |
#endif
|
| 6367 |
#ifdef TARGET_NR_oldlstat
|
| 6368 |
case TARGET_NR_oldlstat:
|
| 6369 |
goto unimplemented;
|
| 6370 |
#endif
|
| 6371 |
case TARGET_NR_readlink:
|
| 6372 |
{
|
| 6373 |
void *p2, *temp;
|
| 6374 |
p = lock_user_string(arg1); |
| 6375 |
p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
|
| 6376 |
if (!p || !p2)
|
| 6377 |
ret = -TARGET_EFAULT; |
| 6378 |
else {
|
| 6379 |
if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) { |
| 6380 |
char real[PATH_MAX];
|
| 6381 |
temp = realpath(exec_path,real); |
| 6382 |
ret = (temp==NULL) ? get_errno(-1) : strlen(real) ; |
| 6383 |
snprintf((char *)p2, arg3, "%s", real); |
| 6384 |
} |
| 6385 |
else
|
| 6386 |
ret = get_errno(readlink(path(p), p2, arg3)); |
| 6387 |
} |
| 6388 |
unlock_user(p2, arg2, ret); |
| 6389 |
unlock_user(p, arg1, 0);
|
| 6390 |
} |
| 6391 |
break;
|
| 6392 |
#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
|
| 6393 |
case TARGET_NR_readlinkat:
|
| 6394 |
{
|
| 6395 |
void *p2;
|
| 6396 |
p = lock_user_string(arg2); |
| 6397 |
p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
|
| 6398 |
if (!p || !p2)
|
| 6399 |
ret = -TARGET_EFAULT; |
| 6400 |
else
|
| 6401 |
ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); |
| 6402 |
unlock_user(p2, arg3, ret); |
| 6403 |
unlock_user(p, arg2, 0);
|
| 6404 |
} |
| 6405 |
break;
|
| 6406 |
#endif
|
| 6407 |
#ifdef TARGET_NR_uselib
|
| 6408 |
case TARGET_NR_uselib:
|
| 6409 |
goto unimplemented;
|
| 6410 |
#endif
|
| 6411 |
#ifdef TARGET_NR_swapon
|
| 6412 |
case TARGET_NR_swapon:
|
| 6413 |
if (!(p = lock_user_string(arg1)))
|
| 6414 |
goto efault;
|
| 6415 |
ret = get_errno(swapon(p, arg2)); |
| 6416 |
unlock_user(p, arg1, 0);
|
| 6417 |
break;
|
| 6418 |
#endif
|
| 6419 |
case TARGET_NR_reboot:
|
| 6420 |
if (!(p = lock_user_string(arg4)))
|
| 6421 |
goto efault;
|
| 6422 |
ret = reboot(arg1, arg2, arg3, p); |
| 6423 |
unlock_user(p, arg4, 0);
|
| 6424 |
break;
|
| 6425 |
#ifdef TARGET_NR_readdir
|
| 6426 |
case TARGET_NR_readdir:
|
| 6427 |
goto unimplemented;
|
| 6428 |
#endif
|
| 6429 |
#ifdef TARGET_NR_mmap
|
| 6430 |
case TARGET_NR_mmap:
|
| 6431 |
#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || \
|
| 6432 |
defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
| 6433 |
|| defined(TARGET_S390X) |
| 6434 |
{
|
| 6435 |
abi_ulong *v; |
| 6436 |
abi_ulong v1, v2, v3, v4, v5, v6; |
| 6437 |
if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
| 6438 |
goto efault;
|
| 6439 |
v1 = tswapal(v[0]);
|
| 6440 |
v2 = tswapal(v[1]);
|
| 6441 |
v3 = tswapal(v[2]);
|
| 6442 |
v4 = tswapal(v[3]);
|
| 6443 |
v5 = tswapal(v[4]);
|
| 6444 |
v6 = tswapal(v[5]);
|
| 6445 |
unlock_user(v, arg1, 0);
|
| 6446 |
ret = get_errno(target_mmap(v1, v2, v3, |
| 6447 |
target_to_host_bitmask(v4, mmap_flags_tbl), |
| 6448 |
v5, v6)); |
| 6449 |
} |
| 6450 |
#else
|
| 6451 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
| 6452 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
| 6453 |
arg5, |
| 6454 |
arg6)); |
| 6455 |
#endif
|
| 6456 |
break;
|
| 6457 |
#endif
|
| 6458 |
#ifdef TARGET_NR_mmap2
|
| 6459 |
case TARGET_NR_mmap2:
|
| 6460 |
#ifndef MMAP_SHIFT
|
| 6461 |
#define MMAP_SHIFT 12 |
| 6462 |
#endif
|
| 6463 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
| 6464 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
| 6465 |
arg5, |
| 6466 |
arg6 << MMAP_SHIFT)); |
| 6467 |
break;
|
| 6468 |
#endif
|
| 6469 |
case TARGET_NR_munmap:
|
| 6470 |
ret = get_errno(target_munmap(arg1, arg2)); |
| 6471 |
break;
|
| 6472 |
case TARGET_NR_mprotect:
|
| 6473 |
{
|
| 6474 |
TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
| 6475 |
/* Special hack to detect libc making the stack executable. */
|
| 6476 |
if ((arg3 & PROT_GROWSDOWN)
|
| 6477 |
&& arg1 >= ts->info->stack_limit |
| 6478 |
&& arg1 <= ts->info->start_stack) {
|
| 6479 |
arg3 &= ~PROT_GROWSDOWN; |
| 6480 |
arg2 = arg2 + arg1 - ts->info->stack_limit; |
| 6481 |
arg1 = ts->info->stack_limit; |
| 6482 |
} |
| 6483 |
} |
| 6484 |
ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
| 6485 |
break;
|
| 6486 |
#ifdef TARGET_NR_mremap
|
| 6487 |
case TARGET_NR_mremap:
|
| 6488 |
ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
| 6489 |
break;
|
| 6490 |
#endif
|
| 6491 |
/* ??? msync/mlock/munlock are broken for softmmu. */
|
| 6492 |
#ifdef TARGET_NR_msync
|
| 6493 |
case TARGET_NR_msync:
|
| 6494 |
ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
| 6495 |
break;
|
| 6496 |
#endif
|
| 6497 |
#ifdef TARGET_NR_mlock
|
| 6498 |
case TARGET_NR_mlock:
|
| 6499 |
ret = get_errno(mlock(g2h(arg1), arg2)); |
| 6500 |
break;
|
| 6501 |
#endif
|
| 6502 |
#ifdef TARGET_NR_munlock
|
| 6503 |
case TARGET_NR_munlock:
|
| 6504 |
ret = get_errno(munlock(g2h(arg1), arg2)); |
| 6505 |
break;
|
| 6506 |
#endif
|
| 6507 |
#ifdef TARGET_NR_mlockall
|
| 6508 |
case TARGET_NR_mlockall:
|
| 6509 |
ret = get_errno(mlockall(arg1)); |
| 6510 |
break;
|
| 6511 |
#endif
|
| 6512 |
#ifdef TARGET_NR_munlockall
|
| 6513 |
case TARGET_NR_munlockall:
|
| 6514 |
ret = get_errno(munlockall()); |
| 6515 |
break;
|
| 6516 |
#endif
|
| 6517 |
case TARGET_NR_truncate:
|
| 6518 |
if (!(p = lock_user_string(arg1)))
|
| 6519 |
goto efault;
|
| 6520 |
ret = get_errno(truncate(p, arg2)); |
| 6521 |
unlock_user(p, arg1, 0);
|
| 6522 |
break;
|
| 6523 |
case TARGET_NR_ftruncate:
|
| 6524 |
ret = get_errno(ftruncate(arg1, arg2)); |
| 6525 |
break;
|
| 6526 |
case TARGET_NR_fchmod:
|
| 6527 |
ret = get_errno(fchmod(arg1, arg2)); |
| 6528 |
break;
|
| 6529 |
#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
|
| 6530 |
case TARGET_NR_fchmodat:
|
| 6531 |
if (!(p = lock_user_string(arg2)))
|
| 6532 |
goto efault;
|
| 6533 |
ret = get_errno(sys_fchmodat(arg1, p, arg3)); |
| 6534 |
unlock_user(p, arg2, 0);
|
| 6535 |
break;
|
| 6536 |
#endif
|
| 6537 |
case TARGET_NR_getpriority:
|
| 6538 |
/* Note that negative values are valid for getpriority, so we must
|
| 6539 |
differentiate based on errno settings. */
|
| 6540 |
errno = 0;
|
| 6541 |
ret = getpriority(arg1, arg2); |
| 6542 |
if (ret == -1 && errno != 0) { |
| 6543 |
ret = -host_to_target_errno(errno); |
| 6544 |
break;
|
| 6545 |
} |
| 6546 |
#ifdef TARGET_ALPHA
|
| 6547 |
/* Return value is the unbiased priority. Signal no error. */
|
| 6548 |
((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
|
| 6549 |
#else
|
| 6550 |
/* Return value is a biased priority to avoid negative numbers. */
|
| 6551 |
ret = 20 - ret;
|
| 6552 |
#endif
|
| 6553 |
break;
|
| 6554 |
case TARGET_NR_setpriority:
|
| 6555 |
ret = get_errno(setpriority(arg1, arg2, arg3)); |
| 6556 |
break;
|
| 6557 |
#ifdef TARGET_NR_profil
|
| 6558 |
case TARGET_NR_profil:
|
| 6559 |
goto unimplemented;
|
| 6560 |
#endif
|
| 6561 |
case TARGET_NR_statfs:
|
| 6562 |
if (!(p = lock_user_string(arg1)))
|
| 6563 |
goto efault;
|
| 6564 |
ret = get_errno(statfs(path(p), &stfs)); |
| 6565 |
unlock_user(p, arg1, 0);
|
| 6566 |
convert_statfs:
|
| 6567 |
if (!is_error(ret)) {
|
| 6568 |
struct target_statfs *target_stfs;
|
| 6569 |
|
| 6570 |
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
| 6571 |
goto efault;
|
| 6572 |
__put_user(stfs.f_type, &target_stfs->f_type); |
| 6573 |
__put_user(stfs.f_bsize, &target_stfs->f_bsize); |
| 6574 |
__put_user(stfs.f_blocks, &target_stfs->f_blocks); |
| 6575 |
__put_user(stfs.f_bfree, &target_stfs->f_bfree); |
| 6576 |
__put_user(stfs.f_bavail, &target_stfs->f_bavail); |
| 6577 |
__put_user(stfs.f_files, &target_stfs->f_files); |
| 6578 |
__put_user(stfs.f_ffree, &target_stfs->f_ffree); |
| 6579 |
__put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
| 6580 |
__put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
| 6581 |
__put_user(stfs.f_namelen, &target_stfs->f_namelen); |
| 6582 |
__put_user(stfs.f_frsize, &target_stfs->f_frsize); |
| 6583 |
memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
| 6584 |
unlock_user_struct(target_stfs, arg2, 1);
|
| 6585 |
} |
| 6586 |
break;
|
| 6587 |
case TARGET_NR_fstatfs:
|
| 6588 |
ret = get_errno(fstatfs(arg1, &stfs)); |
| 6589 |
goto convert_statfs;
|
| 6590 |
#ifdef TARGET_NR_statfs64
|
| 6591 |
case TARGET_NR_statfs64:
|
| 6592 |
if (!(p = lock_user_string(arg1)))
|
| 6593 |
goto efault;
|
| 6594 |
ret = get_errno(statfs(path(p), &stfs)); |
| 6595 |
unlock_user(p, arg1, 0);
|
| 6596 |
convert_statfs64:
|
| 6597 |
if (!is_error(ret)) {
|
| 6598 |
struct target_statfs64 *target_stfs;
|
| 6599 |
|
| 6600 |
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
| 6601 |
goto efault;
|
| 6602 |
__put_user(stfs.f_type, &target_stfs->f_type); |
| 6603 |
__put_user(stfs.f_bsize, &target_stfs->f_bsize); |
| 6604 |
__put_user(stfs.f_blocks, &target_stfs->f_blocks); |
| 6605 |
__put_user(stfs.f_bfree, &target_stfs->f_bfree); |
| 6606 |
__put_user(stfs.f_bavail, &target_stfs->f_bavail); |
| 6607 |
__put_user(stfs.f_files, &target_stfs->f_files); |
| 6608 |
__put_user(stfs.f_ffree, &target_stfs->f_ffree); |
| 6609 |
__put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
| 6610 |
__put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
| 6611 |
__put_user(stfs.f_namelen, &target_stfs->f_namelen); |
| 6612 |
__put_user(stfs.f_frsize, &target_stfs->f_frsize); |
| 6613 |
memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
| 6614 |
unlock_user_struct(target_stfs, arg3, 1);
|
| 6615 |
} |
| 6616 |
break;
|
| 6617 |
case TARGET_NR_fstatfs64:
|
| 6618 |
ret = get_errno(fstatfs(arg1, &stfs)); |
| 6619 |
goto convert_statfs64;
|
| 6620 |
#endif
|
| 6621 |
#ifdef TARGET_NR_ioperm
|
| 6622 |
case TARGET_NR_ioperm:
|
| 6623 |
goto unimplemented;
|
| 6624 |
#endif
|
| 6625 |
#ifdef TARGET_NR_socketcall
|
| 6626 |
case TARGET_NR_socketcall:
|
| 6627 |
ret = do_socketcall(arg1, arg2); |
| 6628 |
break;
|
| 6629 |
#endif
|
| 6630 |
#ifdef TARGET_NR_accept
|
| 6631 |
case TARGET_NR_accept:
|
| 6632 |
ret = do_accept(arg1, arg2, arg3); |
| 6633 |
break;
|
| 6634 |
#endif
|
| 6635 |
#ifdef TARGET_NR_bind
|
| 6636 |
case TARGET_NR_bind:
|
| 6637 |
ret = do_bind(arg1, arg2, arg3); |
| 6638 |
break;
|
| 6639 |
#endif
|
| 6640 |
#ifdef TARGET_NR_connect
|
| 6641 |
case TARGET_NR_connect:
|
| 6642 |
ret = do_connect(arg1, arg2, arg3); |
| 6643 |
break;
|
| 6644 |
#endif
|
| 6645 |
#ifdef TARGET_NR_getpeername
|
| 6646 |
case TARGET_NR_getpeername:
|
| 6647 |
ret = do_getpeername(arg1, arg2, arg3); |
| 6648 |
break;
|
| 6649 |
#endif
|
| 6650 |
#ifdef TARGET_NR_getsockname
|
| 6651 |
case TARGET_NR_getsockname:
|
| 6652 |
ret = do_getsockname(arg1, arg2, arg3); |
| 6653 |
break;
|
| 6654 |
#endif
|
| 6655 |
#ifdef TARGET_NR_getsockopt
|
| 6656 |
case TARGET_NR_getsockopt:
|
| 6657 |
ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
| 6658 |
break;
|
| 6659 |
#endif
|
| 6660 |
#ifdef TARGET_NR_listen
|
| 6661 |
case TARGET_NR_listen:
|
| 6662 |
ret = get_errno(listen(arg1, arg2)); |
| 6663 |
break;
|
| 6664 |
#endif
|
| 6665 |
#ifdef TARGET_NR_recv
|
| 6666 |
case TARGET_NR_recv:
|
| 6667 |
ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
| 6668 |
break;
|
| 6669 |
#endif
|
| 6670 |
#ifdef TARGET_NR_recvfrom
|
| 6671 |
case TARGET_NR_recvfrom:
|
| 6672 |
ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
| 6673 |
break;
|
| 6674 |
#endif
|
| 6675 |
#ifdef TARGET_NR_recvmsg
|
| 6676 |
case TARGET_NR_recvmsg:
|
| 6677 |
ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
|
| 6678 |
break;
|
| 6679 |
#endif
|
| 6680 |
#ifdef TARGET_NR_send
|
| 6681 |
case TARGET_NR_send:
|
| 6682 |
ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
| 6683 |
break;
|
| 6684 |
#endif
|
| 6685 |
#ifdef TARGET_NR_sendmsg
|
| 6686 |
case TARGET_NR_sendmsg:
|
| 6687 |
ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
|
| 6688 |
break;
|
| 6689 |
#endif
|
| 6690 |
#ifdef TARGET_NR_sendto
|
| 6691 |
case TARGET_NR_sendto:
|
| 6692 |
ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
| 6693 |
break;
|
| 6694 |
#endif
|
| 6695 |
#ifdef TARGET_NR_shutdown
|
| 6696 |
case TARGET_NR_shutdown:
|
| 6697 |
ret = get_errno(shutdown(arg1, arg2)); |
| 6698 |
break;
|
| 6699 |
#endif
|
| 6700 |
#ifdef TARGET_NR_socket
|
| 6701 |
case TARGET_NR_socket:
|
| 6702 |
ret = do_socket(arg1, arg2, arg3); |
| 6703 |
break;
|
| 6704 |
#endif
|
| 6705 |
#ifdef TARGET_NR_socketpair
|
| 6706 |
case TARGET_NR_socketpair:
|
| 6707 |
ret = do_socketpair(arg1, arg2, arg3, arg4); |
| 6708 |
break;
|
| 6709 |
#endif
|
| 6710 |
#ifdef TARGET_NR_setsockopt
|
| 6711 |
case TARGET_NR_setsockopt:
|
| 6712 |
ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
| 6713 |
break;
|
| 6714 |
#endif
|
| 6715 |
|
| 6716 |
case TARGET_NR_syslog:
|
| 6717 |
if (!(p = lock_user_string(arg2)))
|
| 6718 |
goto efault;
|
| 6719 |
ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); |
| 6720 |
unlock_user(p, arg2, 0);
|
| 6721 |
break;
|
| 6722 |
|
| 6723 |
case TARGET_NR_setitimer:
|
| 6724 |
{
|
| 6725 |
struct itimerval value, ovalue, *pvalue;
|
| 6726 |
|
| 6727 |
if (arg2) {
|
| 6728 |
pvalue = &value; |
| 6729 |
if (copy_from_user_timeval(&pvalue->it_interval, arg2)
|
| 6730 |
|| copy_from_user_timeval(&pvalue->it_value, |
| 6731 |
arg2 + sizeof(struct target_timeval))) |
| 6732 |
goto efault;
|
| 6733 |
} else {
|
| 6734 |
pvalue = NULL;
|
| 6735 |
} |
| 6736 |
ret = get_errno(setitimer(arg1, pvalue, &ovalue)); |
| 6737 |
if (!is_error(ret) && arg3) {
|
| 6738 |
if (copy_to_user_timeval(arg3,
|
| 6739 |
&ovalue.it_interval) |
| 6740 |
|| copy_to_user_timeval(arg3 + sizeof(struct target_timeval), |
| 6741 |
&ovalue.it_value)) |
| 6742 |
goto efault;
|
| 6743 |
} |
| 6744 |
} |
| 6745 |
break;
|
| 6746 |
case TARGET_NR_getitimer:
|
| 6747 |
{
|
| 6748 |
struct itimerval value;
|
| 6749 |
|
| 6750 |
ret = get_errno(getitimer(arg1, &value)); |
| 6751 |
if (!is_error(ret) && arg2) {
|
| 6752 |
if (copy_to_user_timeval(arg2,
|
| 6753 |
&value.it_interval) |
| 6754 |
|| copy_to_user_timeval(arg2 + sizeof(struct target_timeval), |
| 6755 |
&value.it_value)) |
| 6756 |
goto efault;
|
| 6757 |
} |
| 6758 |
} |
| 6759 |
break;
|
| 6760 |
case TARGET_NR_stat:
|
| 6761 |
if (!(p = lock_user_string(arg1)))
|
| 6762 |
goto efault;
|
| 6763 |
ret = get_errno(stat(path(p), &st)); |
| 6764 |
unlock_user(p, arg1, 0);
|
| 6765 |
goto do_stat;
|
| 6766 |
case TARGET_NR_lstat:
|
| 6767 |
if (!(p = lock_user_string(arg1)))
|
| 6768 |
goto efault;
|
| 6769 |
ret = get_errno(lstat(path(p), &st)); |
| 6770 |
unlock_user(p, arg1, 0);
|
| 6771 |
goto do_stat;
|
| 6772 |
case TARGET_NR_fstat:
|
| 6773 |
{
|
| 6774 |
ret = get_errno(fstat(arg1, &st)); |
| 6775 |
do_stat:
|
| 6776 |
if (!is_error(ret)) {
|
| 6777 |
struct target_stat *target_st;
|
| 6778 |
|
| 6779 |
if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
| 6780 |
goto efault;
|
| 6781 |
memset(target_st, 0, sizeof(*target_st)); |
| 6782 |
__put_user(st.st_dev, &target_st->st_dev); |
| 6783 |
__put_user(st.st_ino, &target_st->st_ino); |
| 6784 |
__put_user(st.st_mode, &target_st->st_mode); |
| 6785 |
__put_user(st.st_uid, &target_st->st_uid); |
| 6786 |
__put_user(st.st_gid, &target_st->st_gid); |
| 6787 |
__put_user(st.st_nlink, &target_st->st_nlink); |
| 6788 |
__put_user(st.st_rdev, &target_st->st_rdev); |
| 6789 |
__put_user(st.st_size, &target_st->st_size); |
| 6790 |
__put_user(st.st_blksize, &target_st->st_blksize); |
| 6791 |
__put_user(st.st_blocks, &target_st->st_blocks); |
| 6792 |
__put_user(st.st_atime, &target_st->target_st_atime); |
| 6793 |
__put_user(st.st_mtime, &target_st->target_st_mtime); |
| 6794 |
__put_user(st.st_ctime, &target_st->target_st_ctime); |
| 6795 |
unlock_user_struct(target_st, arg2, 1);
|
| 6796 |
} |
| 6797 |
} |
| 6798 |
break;
|
| 6799 |
#ifdef TARGET_NR_olduname
|
| 6800 |
case TARGET_NR_olduname:
|
| 6801 |
goto unimplemented;
|
| 6802 |
#endif
|
| 6803 |
#ifdef TARGET_NR_iopl
|
| 6804 |
case TARGET_NR_iopl:
|
| 6805 |
goto unimplemented;
|
| 6806 |
#endif
|
| 6807 |
case TARGET_NR_vhangup:
|
| 6808 |
ret = get_errno(vhangup()); |
| 6809 |
break;
|
| 6810 |
#ifdef TARGET_NR_idle
|
| 6811 |
case TARGET_NR_idle:
|
| 6812 |
goto unimplemented;
|
| 6813 |
#endif
|
| 6814 |
#ifdef TARGET_NR_syscall
|
| 6815 |
case TARGET_NR_syscall:
|
| 6816 |
ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
|
| 6817 |
arg6, arg7, arg8, 0);
|
| 6818 |
break;
|
| 6819 |
#endif
|
| 6820 |
case TARGET_NR_wait4:
|
| 6821 |
{
|
| 6822 |
int status;
|
| 6823 |
abi_long status_ptr = arg2; |
| 6824 |
struct rusage rusage, *rusage_ptr;
|
| 6825 |
abi_ulong target_rusage = arg4; |
| 6826 |
if (target_rusage)
|
| 6827 |
rusage_ptr = &rusage; |
| 6828 |
else
|
| 6829 |
rusage_ptr = NULL;
|
| 6830 |
ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); |
| 6831 |
if (!is_error(ret)) {
|
| 6832 |
if (status_ptr && ret) {
|
| 6833 |
status = host_to_target_waitstatus(status); |
| 6834 |
if (put_user_s32(status, status_ptr))
|
| 6835 |
goto efault;
|
| 6836 |
} |
| 6837 |
if (target_rusage)
|
| 6838 |
host_to_target_rusage(target_rusage, &rusage); |
| 6839 |
} |
| 6840 |
} |
| 6841 |
break;
|
| 6842 |
#ifdef TARGET_NR_swapoff
|
| 6843 |
case TARGET_NR_swapoff:
|
| 6844 |
if (!(p = lock_user_string(arg1)))
|
| 6845 |
goto efault;
|
| 6846 |
ret = get_errno(swapoff(p)); |
| 6847 |
unlock_user(p, arg1, 0);
|
| 6848 |
break;
|
| 6849 |
#endif
|
| 6850 |
case TARGET_NR_sysinfo:
|
| 6851 |
{
|
| 6852 |
struct target_sysinfo *target_value;
|
| 6853 |
struct sysinfo value;
|
| 6854 |
ret = get_errno(sysinfo(&value)); |
| 6855 |
if (!is_error(ret) && arg1)
|
| 6856 |
{
|
| 6857 |
if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
| 6858 |
goto efault;
|
| 6859 |
__put_user(value.uptime, &target_value->uptime); |
| 6860 |
__put_user(value.loads[0], &target_value->loads[0]); |
| 6861 |
__put_user(value.loads[1], &target_value->loads[1]); |
| 6862 |
__put_user(value.loads[2], &target_value->loads[2]); |
| 6863 |
__put_user(value.totalram, &target_value->totalram); |
| 6864 |
__put_user(value.freeram, &target_value->freeram); |
| 6865 |
__put_user(value.sharedram, &target_value->sharedram); |
| 6866 |
__put_user(value.bufferram, &target_value->bufferram); |
| 6867 |
__put_user(value.totalswap, &target_value->totalswap); |
| 6868 |
__put_user(value.freeswap, &target_value->freeswap); |
| 6869 |
__put_user(value.procs, &target_value->procs); |
| 6870 |
__put_user(value.totalhigh, &target_value->totalhigh); |
| 6871 |
__put_user(value.freehigh, &target_value->freehigh); |
| 6872 |
__put_user(value.mem_unit, &target_value->mem_unit); |
| 6873 |
unlock_user_struct(target_value, arg1, 1);
|
| 6874 |
} |
| 6875 |
} |
| 6876 |
break;
|
| 6877 |
#ifdef TARGET_NR_ipc
|
| 6878 |
case TARGET_NR_ipc:
|
| 6879 |
ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); |
| 6880 |
break;
|
| 6881 |
#endif
|
| 6882 |
#ifdef TARGET_NR_semget
|
| 6883 |
case TARGET_NR_semget:
|
| 6884 |
ret = get_errno(semget(arg1, arg2, arg3)); |
| 6885 |
break;
|
| 6886 |
#endif
|
| 6887 |
#ifdef TARGET_NR_semop
|
| 6888 |
case TARGET_NR_semop:
|
| 6889 |
ret = get_errno(do_semop(arg1, arg2, arg3)); |
| 6890 |
break;
|
| 6891 |
#endif
|
| 6892 |
#ifdef TARGET_NR_semctl
|
| 6893 |
case TARGET_NR_semctl:
|
| 6894 |
ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
|
| 6895 |
break;
|
| 6896 |
#endif
|
| 6897 |
#ifdef TARGET_NR_msgctl
|
| 6898 |
case TARGET_NR_msgctl:
|
| 6899 |
ret = do_msgctl(arg1, arg2, arg3); |
| 6900 |
break;
|
| 6901 |
#endif
|
| 6902 |
#ifdef TARGET_NR_msgget
|
| 6903 |
case TARGET_NR_msgget:
|
| 6904 |
ret = get_errno(msgget(arg1, arg2)); |
| 6905 |
break;
|
| 6906 |
#endif
|
| 6907 |
#ifdef TARGET_NR_msgrcv
|
| 6908 |
case TARGET_NR_msgrcv:
|
| 6909 |
ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
| 6910 |
break;
|
| 6911 |
#endif
|
| 6912 |
#ifdef TARGET_NR_msgsnd
|
| 6913 |
case TARGET_NR_msgsnd:
|
| 6914 |
ret = do_msgsnd(arg1, arg2, arg3, arg4); |
| 6915 |
break;
|
| 6916 |
#endif
|
| 6917 |
#ifdef TARGET_NR_shmget
|
| 6918 |
case TARGET_NR_shmget:
|
| 6919 |
ret = get_errno(shmget(arg1, arg2, arg3)); |
| 6920 |
break;
|
| 6921 |
#endif
|
| 6922 |
#ifdef TARGET_NR_shmctl
|
| 6923 |
case TARGET_NR_shmctl:
|
| 6924 |
ret = do_shmctl(arg1, arg2, arg3); |
| 6925 |
break;
|
| 6926 |
#endif
|
| 6927 |
#ifdef TARGET_NR_shmat
|
| 6928 |
case TARGET_NR_shmat:
|
| 6929 |
ret = do_shmat(arg1, arg2, arg3); |
| 6930 |
break;
|
| 6931 |
#endif
|
| 6932 |
#ifdef TARGET_NR_shmdt
|
| 6933 |
case TARGET_NR_shmdt:
|
| 6934 |
ret = do_shmdt(arg1); |
| 6935 |
break;
|
| 6936 |
#endif
|
| 6937 |
case TARGET_NR_fsync:
|
| 6938 |
ret = get_errno(fsync(arg1)); |
| 6939 |
break;
|
| 6940 |
case TARGET_NR_clone:
|
| 6941 |
#if defined(TARGET_SH4) || defined(TARGET_ALPHA)
|
| 6942 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
| 6943 |
#elif defined(TARGET_CRIS)
|
| 6944 |
ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5)); |
| 6945 |
#elif defined(TARGET_MICROBLAZE)
|
| 6946 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
| 6947 |
#elif defined(TARGET_S390X)
|
| 6948 |
ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
| 6949 |
#else
|
| 6950 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); |
| 6951 |
#endif
|
| 6952 |
break;
|
| 6953 |
#ifdef __NR_exit_group
|
| 6954 |
/* new thread calls */
|
| 6955 |
case TARGET_NR_exit_group:
|
| 6956 |
#ifdef TARGET_GPROF
|
| 6957 |
_mcleanup(); |
| 6958 |
#endif
|
| 6959 |
gdb_exit(cpu_env, arg1); |
| 6960 |
ret = get_errno(exit_group(arg1)); |
| 6961 |
break;
|
| 6962 |
#endif
|
| 6963 |
case TARGET_NR_setdomainname:
|
| 6964 |
if (!(p = lock_user_string(arg1)))
|
| 6965 |
goto efault;
|
| 6966 |
ret = get_errno(setdomainname(p, arg2)); |
| 6967 |
unlock_user(p, arg1, 0);
|
| 6968 |
break;
|
| 6969 |
case TARGET_NR_uname:
|
| 6970 |
/* no need to transcode because we use the linux syscall */
|
| 6971 |
{
|
| 6972 |
struct new_utsname * buf;
|
| 6973 |
|
| 6974 |
if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
| 6975 |
goto efault;
|
| 6976 |
ret = get_errno(sys_uname(buf)); |
| 6977 |
if (!is_error(ret)) {
|
| 6978 |
/* Overrite the native machine name with whatever is being
|
| 6979 |
emulated. */
|
| 6980 |
strcpy (buf->machine, cpu_to_uname_machine(cpu_env)); |
| 6981 |
/* Allow the user to override the reported release. */
|
| 6982 |
if (qemu_uname_release && *qemu_uname_release)
|
| 6983 |
strcpy (buf->release, qemu_uname_release); |
| 6984 |
} |
| 6985 |
unlock_user_struct(buf, arg1, 1);
|
| 6986 |
} |
| 6987 |
break;
|
| 6988 |
#ifdef TARGET_I386
|
| 6989 |
case TARGET_NR_modify_ldt:
|
| 6990 |
ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
| 6991 |
break;
|
| 6992 |
#if !defined(TARGET_X86_64)
|
| 6993 |
case TARGET_NR_vm86old:
|
| 6994 |
goto unimplemented;
|
| 6995 |
case TARGET_NR_vm86:
|
| 6996 |
ret = do_vm86(cpu_env, arg1, arg2); |
| 6997 |
break;
|
| 6998 |
#endif
|
| 6999 |
#endif
|
| 7000 |
case TARGET_NR_adjtimex:
|
| 7001 |
goto unimplemented;
|
| 7002 |
#ifdef TARGET_NR_create_module
|
| 7003 |
case TARGET_NR_create_module:
|
| 7004 |
#endif
|
| 7005 |
case TARGET_NR_init_module:
|
| 7006 |
case TARGET_NR_delete_module:
|
| 7007 |
#ifdef TARGET_NR_get_kernel_syms
|
| 7008 |
case TARGET_NR_get_kernel_syms:
|
| 7009 |
#endif
|
| 7010 |
goto unimplemented;
|
| 7011 |
case TARGET_NR_quotactl:
|
| 7012 |
goto unimplemented;
|
| 7013 |
case TARGET_NR_getpgid:
|
| 7014 |
ret = get_errno(getpgid(arg1)); |
| 7015 |
break;
|
| 7016 |
case TARGET_NR_fchdir:
|
| 7017 |
ret = get_errno(fchdir(arg1)); |
| 7018 |
break;
|
| 7019 |
#ifdef TARGET_NR_bdflush /* not on x86_64 */ |
| 7020 |
case TARGET_NR_bdflush:
|
| 7021 |
goto unimplemented;
|
| 7022 |
#endif
|
| 7023 |
#ifdef TARGET_NR_sysfs
|
| 7024 |
case TARGET_NR_sysfs:
|
| 7025 |
goto unimplemented;
|
| 7026 |
#endif
|
| 7027 |
case TARGET_NR_personality:
|
| 7028 |
ret = get_errno(personality(arg1)); |
| 7029 |
break;
|
| 7030 |
#ifdef TARGET_NR_afs_syscall
|
| 7031 |
case TARGET_NR_afs_syscall:
|
| 7032 |
goto unimplemented;
|
| 7033 |
#endif
|
| 7034 |
#ifdef TARGET_NR__llseek /* Not on alpha */ |
| 7035 |
case TARGET_NR__llseek:
|
| 7036 |
{
|
| 7037 |
int64_t res; |
| 7038 |
#if !defined(__NR_llseek)
|
| 7039 |
res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
|
| 7040 |
if (res == -1) { |
| 7041 |
ret = get_errno(res); |
| 7042 |
} else {
|
| 7043 |
ret = 0;
|
| 7044 |
} |
| 7045 |
#else
|
| 7046 |
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
| 7047 |
#endif
|
| 7048 |
if ((ret == 0) && put_user_s64(res, arg4)) { |
| 7049 |
goto efault;
|
| 7050 |
} |
| 7051 |
} |
| 7052 |
break;
|
| 7053 |
#endif
|
| 7054 |
case TARGET_NR_getdents:
|
| 7055 |
#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
| 7056 |
{
|
| 7057 |
struct target_dirent *target_dirp;
|
| 7058 |
struct linux_dirent *dirp;
|
| 7059 |
abi_long count = arg3; |
| 7060 |
|
| 7061 |
dirp = malloc(count); |
| 7062 |
if (!dirp) {
|
| 7063 |
ret = -TARGET_ENOMEM; |
| 7064 |
goto fail;
|
| 7065 |
} |
| 7066 |
|
| 7067 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
| 7068 |
if (!is_error(ret)) {
|
| 7069 |
struct linux_dirent *de;
|
| 7070 |
struct target_dirent *tde;
|
| 7071 |
int len = ret;
|
| 7072 |
int reclen, treclen;
|
| 7073 |
int count1, tnamelen;
|
| 7074 |
|
| 7075 |
count1 = 0;
|
| 7076 |
de = dirp; |
| 7077 |
if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
| 7078 |
goto efault;
|
| 7079 |
tde = target_dirp; |
| 7080 |
while (len > 0) { |
| 7081 |
reclen = de->d_reclen; |
| 7082 |
tnamelen = reclen - offsetof(struct linux_dirent, d_name);
|
| 7083 |
assert(tnamelen >= 0);
|
| 7084 |
treclen = tnamelen + offsetof(struct target_dirent, d_name);
|
| 7085 |
assert(count1 + treclen <= count); |
| 7086 |
tde->d_reclen = tswap16(treclen); |
| 7087 |
tde->d_ino = tswapal(de->d_ino); |
| 7088 |
tde->d_off = tswapal(de->d_off); |
| 7089 |
memcpy(tde->d_name, de->d_name, tnamelen); |
| 7090 |
de = (struct linux_dirent *)((char *)de + reclen); |
| 7091 |
len -= reclen; |
| 7092 |
tde = (struct target_dirent *)((char *)tde + treclen); |
| 7093 |
count1 += treclen; |
| 7094 |
} |
| 7095 |
ret = count1; |
| 7096 |
unlock_user(target_dirp, arg2, ret); |
| 7097 |
} |
| 7098 |
free(dirp); |
| 7099 |
} |
| 7100 |
#else
|
| 7101 |
{
|
| 7102 |
struct linux_dirent *dirp;
|
| 7103 |
abi_long count = arg3; |
| 7104 |
|
| 7105 |
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
| 7106 |
goto efault;
|
| 7107 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
| 7108 |
if (!is_error(ret)) {
|
| 7109 |
struct linux_dirent *de;
|
| 7110 |
int len = ret;
|
| 7111 |
int reclen;
|
| 7112 |
de = dirp; |
| 7113 |
while (len > 0) { |
| 7114 |
reclen = de->d_reclen; |
| 7115 |
if (reclen > len)
|
| 7116 |
break;
|
| 7117 |
de->d_reclen = tswap16(reclen); |
| 7118 |
tswapls(&de->d_ino); |
| 7119 |
tswapls(&de->d_off); |
| 7120 |
de = (struct linux_dirent *)((char *)de + reclen); |
| 7121 |
len -= reclen; |
| 7122 |
} |
| 7123 |
} |
| 7124 |
unlock_user(dirp, arg2, ret); |
| 7125 |
} |
| 7126 |
#endif
|
| 7127 |
break;
|
| 7128 |
#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
|
| 7129 |
case TARGET_NR_getdents64:
|
| 7130 |
{
|
| 7131 |
struct linux_dirent64 *dirp;
|
| 7132 |
abi_long count = arg3; |
| 7133 |
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
| 7134 |
goto efault;
|
| 7135 |
ret = get_errno(sys_getdents64(arg1, dirp, count)); |
| 7136 |
if (!is_error(ret)) {
|
| 7137 |
struct linux_dirent64 *de;
|
| 7138 |
int len = ret;
|
| 7139 |
int reclen;
|
| 7140 |
de = dirp; |
| 7141 |
while (len > 0) { |
| 7142 |
reclen = de->d_reclen; |
| 7143 |
if (reclen > len)
|
| 7144 |
break;
|
| 7145 |
de->d_reclen = tswap16(reclen); |
| 7146 |
tswap64s((uint64_t *)&de->d_ino); |
| 7147 |
tswap64s((uint64_t *)&de->d_off); |
| 7148 |
de = (struct linux_dirent64 *)((char *)de + reclen); |
| 7149 |
len -= reclen; |
| 7150 |
} |
| 7151 |
} |
| 7152 |
unlock_user(dirp, arg2, ret); |
| 7153 |
} |
| 7154 |
break;
|
| 7155 |
#endif /* TARGET_NR_getdents64 */ |
| 7156 |
#if defined(TARGET_NR__newselect) || defined(TARGET_S390X)
|
| 7157 |
#ifdef TARGET_S390X
|
| 7158 |
case TARGET_NR_select:
|
| 7159 |
#else
|
| 7160 |
case TARGET_NR__newselect:
|
| 7161 |
#endif
|
| 7162 |
ret = do_select(arg1, arg2, arg3, arg4, arg5); |
| 7163 |
break;
|
| 7164 |
#endif
|
| 7165 |
#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
|
| 7166 |
# ifdef TARGET_NR_poll
|
| 7167 |
case TARGET_NR_poll:
|
| 7168 |
# endif
|
| 7169 |
# ifdef TARGET_NR_ppoll
|
| 7170 |
case TARGET_NR_ppoll:
|
| 7171 |
# endif
|
| 7172 |
{
|
| 7173 |
struct target_pollfd *target_pfd;
|
| 7174 |
unsigned int nfds = arg2; |
| 7175 |
int timeout = arg3;
|
| 7176 |
struct pollfd *pfd;
|
| 7177 |
unsigned int i; |
| 7178 |
|
| 7179 |
target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); |
| 7180 |
if (!target_pfd)
|
| 7181 |
goto efault;
|
| 7182 |
|
| 7183 |
pfd = alloca(sizeof(struct pollfd) * nfds); |
| 7184 |
for(i = 0; i < nfds; i++) { |
| 7185 |
pfd[i].fd = tswap32(target_pfd[i].fd); |
| 7186 |
pfd[i].events = tswap16(target_pfd[i].events); |
| 7187 |
} |
| 7188 |
|
| 7189 |
# ifdef TARGET_NR_ppoll
|
| 7190 |
if (num == TARGET_NR_ppoll) {
|
| 7191 |
struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
|
| 7192 |
target_sigset_t *target_set; |
| 7193 |
sigset_t _set, *set = &_set; |
| 7194 |
|
| 7195 |
if (arg3) {
|
| 7196 |
if (target_to_host_timespec(timeout_ts, arg3)) {
|
| 7197 |
unlock_user(target_pfd, arg1, 0);
|
| 7198 |
goto efault;
|
| 7199 |
} |
| 7200 |
} else {
|
| 7201 |
timeout_ts = NULL;
|
| 7202 |
} |
| 7203 |
|
| 7204 |
if (arg4) {
|
| 7205 |
target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); |
| 7206 |
if (!target_set) {
|
| 7207 |
unlock_user(target_pfd, arg1, 0);
|
| 7208 |
goto efault;
|
| 7209 |
} |
| 7210 |
target_to_host_sigset(set, target_set); |
| 7211 |
} else {
|
| 7212 |
set = NULL;
|
| 7213 |
} |
| 7214 |
|
| 7215 |
ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
|
| 7216 |
|
| 7217 |
if (!is_error(ret) && arg3) {
|
| 7218 |
host_to_target_timespec(arg3, timeout_ts); |
| 7219 |
} |
| 7220 |
if (arg4) {
|
| 7221 |
unlock_user(target_set, arg4, 0);
|
| 7222 |
} |
| 7223 |
} else
|
| 7224 |
# endif
|
| 7225 |
ret = get_errno(poll(pfd, nfds, timeout)); |
| 7226 |
|
| 7227 |
if (!is_error(ret)) {
|
| 7228 |
for(i = 0; i < nfds; i++) { |
| 7229 |
target_pfd[i].revents = tswap16(pfd[i].revents); |
| 7230 |
} |
| 7231 |
} |
| 7232 |
unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
| 7233 |
} |
| 7234 |
break;
|
| 7235 |
#endif
|
| 7236 |
case TARGET_NR_flock:
|
| 7237 |
/* NOTE: the flock constant seems to be the same for every
|
| 7238 |
Linux platform */
|
| 7239 |
ret = get_errno(flock(arg1, arg2)); |
| 7240 |
break;
|
| 7241 |
case TARGET_NR_readv:
|
| 7242 |
{
|
| 7243 |
struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
| 7244 |
if (vec != NULL) { |
| 7245 |
ret = get_errno(readv(arg1, vec, arg3)); |
| 7246 |
unlock_iovec(vec, arg2, arg3, 1);
|
| 7247 |
} else {
|
| 7248 |
ret = -host_to_target_errno(errno); |
| 7249 |
} |
| 7250 |
} |
| 7251 |
break;
|
| 7252 |
case TARGET_NR_writev:
|
| 7253 |
{
|
| 7254 |
struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
| 7255 |
if (vec != NULL) { |
| 7256 |
ret = get_errno(writev(arg1, vec, arg3)); |
| 7257 |
unlock_iovec(vec, arg2, arg3, 0);
|
| 7258 |
} else {
|
| 7259 |
ret = -host_to_target_errno(errno); |
| 7260 |
} |
| 7261 |
} |
| 7262 |
break;
|
| 7263 |
case TARGET_NR_getsid:
|
| 7264 |
ret = get_errno(getsid(arg1)); |
| 7265 |
break;
|
| 7266 |
#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
| 7267 |
case TARGET_NR_fdatasync:
|
| 7268 |
ret = get_errno(fdatasync(arg1)); |
| 7269 |
break;
|
| 7270 |
#endif
|
| 7271 |
case TARGET_NR__sysctl:
|
| 7272 |
/* We don't implement this, but ENOTDIR is always a safe
|
| 7273 |
return value. */
|
| 7274 |
ret = -TARGET_ENOTDIR; |
| 7275 |
break;
|
| 7276 |
case TARGET_NR_sched_getaffinity:
|
| 7277 |
{
|
| 7278 |
unsigned int mask_size; |
| 7279 |
unsigned long *mask; |
| 7280 |
|
| 7281 |
/*
|
| 7282 |
* sched_getaffinity needs multiples of ulong, so need to take
|
| 7283 |
* care of mismatches between target ulong and host ulong sizes.
|
| 7284 |
*/
|
| 7285 |
if (arg2 & (sizeof(abi_ulong) - 1)) { |
| 7286 |
ret = -TARGET_EINVAL; |
| 7287 |
break;
|
| 7288 |
} |
| 7289 |
mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); |
| 7290 |
|
| 7291 |
mask = alloca(mask_size); |
| 7292 |
ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); |
| 7293 |
|
| 7294 |
if (!is_error(ret)) {
|
| 7295 |
if (copy_to_user(arg3, mask, ret)) {
|
| 7296 |
goto efault;
|
| 7297 |
} |
| 7298 |
} |
| 7299 |
} |
| 7300 |
break;
|
| 7301 |
case TARGET_NR_sched_setaffinity:
|
| 7302 |
{
|
| 7303 |
unsigned int mask_size; |
| 7304 |
unsigned long *mask; |
| 7305 |
|
| 7306 |
/*
|
| 7307 |
* sched_setaffinity needs multiples of ulong, so need to take
|
| 7308 |
* care of mismatches between target ulong and host ulong sizes.
|
| 7309 |
*/
|
| 7310 |
if (arg2 & (sizeof(abi_ulong) - 1)) { |
| 7311 |
ret = -TARGET_EINVAL; |
| 7312 |
break;
|
| 7313 |
} |
| 7314 |
mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); |
| 7315 |
|
| 7316 |
mask = alloca(mask_size); |
| 7317 |
if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) { |
| 7318 |
goto efault;
|
| 7319 |
} |
| 7320 |
memcpy(mask, p, arg2); |
| 7321 |
unlock_user_struct(p, arg2, 0);
|
| 7322 |
|
| 7323 |
ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); |
| 7324 |
} |
| 7325 |
break;
|
| 7326 |
case TARGET_NR_sched_setparam:
|
| 7327 |
{
|
| 7328 |
struct sched_param *target_schp;
|
| 7329 |
struct sched_param schp;
|
| 7330 |
|
| 7331 |
if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
| 7332 |
goto efault;
|
| 7333 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
| 7334 |
unlock_user_struct(target_schp, arg2, 0);
|
| 7335 |
ret = get_errno(sched_setparam(arg1, &schp)); |
| 7336 |
} |
| 7337 |
break;
|
| 7338 |
case TARGET_NR_sched_getparam:
|
| 7339 |
{
|
| 7340 |
struct sched_param *target_schp;
|
| 7341 |
struct sched_param schp;
|
| 7342 |
ret = get_errno(sched_getparam(arg1, &schp)); |
| 7343 |
if (!is_error(ret)) {
|
| 7344 |
if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
| 7345 |
goto efault;
|
| 7346 |
target_schp->sched_priority = tswap32(schp.sched_priority); |
| 7347 |
unlock_user_struct(target_schp, arg2, 1);
|
| 7348 |
} |
| 7349 |
} |
| 7350 |
break;
|
| 7351 |
case TARGET_NR_sched_setscheduler:
|
| 7352 |
{
|
| 7353 |
struct sched_param *target_schp;
|
| 7354 |
struct sched_param schp;
|
| 7355 |
if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
| 7356 |
goto efault;
|
| 7357 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
| 7358 |
unlock_user_struct(target_schp, arg3, 0);
|
| 7359 |
ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
| 7360 |
} |
| 7361 |
break;
|
| 7362 |
case TARGET_NR_sched_getscheduler:
|
| 7363 |
ret = get_errno(sched_getscheduler(arg1)); |
| 7364 |
break;
|
| 7365 |
case TARGET_NR_sched_yield:
|
| 7366 |
ret = get_errno(sched_yield()); |
| 7367 |
break;
|
| 7368 |
case TARGET_NR_sched_get_priority_max:
|
| 7369 |
ret = get_errno(sched_get_priority_max(arg1)); |
| 7370 |
break;
|
| 7371 |
case TARGET_NR_sched_get_priority_min:
|
| 7372 |
ret = get_errno(sched_get_priority_min(arg1)); |
| 7373 |
break;
|
| 7374 |
case TARGET_NR_sched_rr_get_interval:
|
| 7375 |
{
|
| 7376 |
struct timespec ts;
|
| 7377 |
ret = get_errno(sched_rr_get_interval(arg1, &ts)); |
| 7378 |
if (!is_error(ret)) {
|
| 7379 |
host_to_target_timespec(arg2, &ts); |
| 7380 |
} |
| 7381 |
} |
| 7382 |
break;
|
| 7383 |
case TARGET_NR_nanosleep:
|
| 7384 |
{
|
| 7385 |
struct timespec req, rem;
|
| 7386 |
target_to_host_timespec(&req, arg1); |
| 7387 |
ret = get_errno(nanosleep(&req, &rem)); |
| 7388 |
if (is_error(ret) && arg2) {
|
| 7389 |
host_to_target_timespec(arg2, &rem); |
| 7390 |
} |
| 7391 |
} |
| 7392 |
break;
|
| 7393 |
#ifdef TARGET_NR_query_module
|
| 7394 |
case TARGET_NR_query_module:
|
| 7395 |
goto unimplemented;
|
| 7396 |
#endif
|
| 7397 |
#ifdef TARGET_NR_nfsservctl
|
| 7398 |
case TARGET_NR_nfsservctl:
|
| 7399 |
goto unimplemented;
|
| 7400 |
#endif
|
| 7401 |
case TARGET_NR_prctl:
|
| 7402 |
switch (arg1) {
|
| 7403 |
case PR_GET_PDEATHSIG:
|
| 7404 |
{
|
| 7405 |
int deathsig;
|
| 7406 |
ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); |
| 7407 |
if (!is_error(ret) && arg2
|
| 7408 |
&& put_user_ual(deathsig, arg2)) {
|
| 7409 |
goto efault;
|
| 7410 |
} |
| 7411 |
break;
|
| 7412 |
} |
| 7413 |
#ifdef PR_GET_NAME
|
| 7414 |
case PR_GET_NAME:
|
| 7415 |
{
|
| 7416 |
void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); |
| 7417 |
if (!name) {
|
| 7418 |
goto efault;
|
| 7419 |
} |
| 7420 |
ret = get_errno(prctl(arg1, (unsigned long)name, |
| 7421 |
arg3, arg4, arg5)); |
| 7422 |
unlock_user(name, arg2, 16);
|
| 7423 |
break;
|
| 7424 |
} |
| 7425 |
case PR_SET_NAME:
|
| 7426 |
{
|
| 7427 |
void *name = lock_user(VERIFY_READ, arg2, 16, 1); |
| 7428 |
if (!name) {
|
| 7429 |
goto efault;
|
| 7430 |
} |
| 7431 |
ret = get_errno(prctl(arg1, (unsigned long)name, |
| 7432 |
arg3, arg4, arg5)); |
| 7433 |
unlock_user(name, arg2, 0);
|
| 7434 |
break;
|
| 7435 |
} |
| 7436 |
#endif
|
| 7437 |
default:
|
| 7438 |
/* Most prctl options have no pointer arguments */
|
| 7439 |
ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); |
| 7440 |
break;
|
| 7441 |
} |
| 7442 |
break;
|
| 7443 |
#ifdef TARGET_NR_arch_prctl
|
| 7444 |
case TARGET_NR_arch_prctl:
|
| 7445 |
#if defined(TARGET_I386) && !defined(TARGET_ABI32)
|
| 7446 |
ret = do_arch_prctl(cpu_env, arg1, arg2); |
| 7447 |
break;
|
| 7448 |
#else
|
| 7449 |
goto unimplemented;
|
| 7450 |
#endif
|
| 7451 |
#endif
|
| 7452 |
#ifdef TARGET_NR_pread64
|
| 7453 |
case TARGET_NR_pread64:
|
| 7454 |
if (regpairs_aligned(cpu_env)) {
|
| 7455 |
arg4 = arg5; |
| 7456 |
arg5 = arg6; |
| 7457 |
} |
| 7458 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
| 7459 |
goto efault;
|
| 7460 |
ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
| 7461 |
unlock_user(p, arg2, ret); |
| 7462 |
break;
|
| 7463 |
case TARGET_NR_pwrite64:
|
| 7464 |
if (regpairs_aligned(cpu_env)) {
|
| 7465 |
arg4 = arg5; |
| 7466 |
arg5 = arg6; |
| 7467 |
} |
| 7468 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
| 7469 |
goto efault;
|
| 7470 |
ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
| 7471 |
unlock_user(p, arg2, 0);
|
| 7472 |
break;
|
| 7473 |
#endif
|
| 7474 |
case TARGET_NR_getcwd:
|
| 7475 |
if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
| 7476 |
goto efault;
|
| 7477 |
ret = get_errno(sys_getcwd1(p, arg2)); |
| 7478 |
unlock_user(p, arg1, ret); |
| 7479 |
break;
|
| 7480 |
case TARGET_NR_capget:
|
| 7481 |
goto unimplemented;
|
| 7482 |
case TARGET_NR_capset:
|
| 7483 |
goto unimplemented;
|
| 7484 |
case TARGET_NR_sigaltstack:
|
| 7485 |
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
|
| 7486 |
defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \ |
| 7487 |
defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC) |
| 7488 |
ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env)); |
| 7489 |
break;
|
| 7490 |
#else
|
| 7491 |
goto unimplemented;
|
| 7492 |
#endif
|
| 7493 |
case TARGET_NR_sendfile:
|
| 7494 |
goto unimplemented;
|
| 7495 |
#ifdef TARGET_NR_getpmsg
|
| 7496 |
case TARGET_NR_getpmsg:
|
| 7497 |
goto unimplemented;
|
| 7498 |
#endif
|
| 7499 |
#ifdef TARGET_NR_putpmsg
|
| 7500 |
case TARGET_NR_putpmsg:
|
| 7501 |
goto unimplemented;
|
| 7502 |
#endif
|
| 7503 |
#ifdef TARGET_NR_vfork
|
| 7504 |
case TARGET_NR_vfork:
|
| 7505 |
ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, |
| 7506 |
0, 0, 0, 0)); |
| 7507 |
break;
|
| 7508 |
#endif
|
| 7509 |
#ifdef TARGET_NR_ugetrlimit
|
| 7510 |
case TARGET_NR_ugetrlimit:
|
| 7511 |
{
|
| 7512 |
struct rlimit rlim;
|
| 7513 |
int resource = target_to_host_resource(arg1);
|
| 7514 |
ret = get_errno(getrlimit(resource, &rlim)); |
| 7515 |
if (!is_error(ret)) {
|
| 7516 |
struct target_rlimit *target_rlim;
|
| 7517 |
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
| 7518 |
goto efault;
|
| 7519 |
target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
| 7520 |
target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); |
| 7521 |
unlock_user_struct(target_rlim, arg2, 1);
|
| 7522 |
} |
| 7523 |
break;
|
| 7524 |
} |
| 7525 |
#endif
|
| 7526 |
#ifdef TARGET_NR_truncate64
|
| 7527 |
case TARGET_NR_truncate64:
|
| 7528 |
if (!(p = lock_user_string(arg1)))
|
| 7529 |
goto efault;
|
| 7530 |
ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
| 7531 |
unlock_user(p, arg1, 0);
|
| 7532 |
break;
|
| 7533 |
#endif
|
| 7534 |
#ifdef TARGET_NR_ftruncate64
|
| 7535 |
case TARGET_NR_ftruncate64:
|
| 7536 |
ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
| 7537 |
break;
|
| 7538 |
#endif
|
| 7539 |
#ifdef TARGET_NR_stat64
|
| 7540 |
case TARGET_NR_stat64:
|
| 7541 |
if (!(p = lock_user_string(arg1)))
|
| 7542 |
goto efault;
|
| 7543 |
ret = get_errno(stat(path(p), &st)); |
| 7544 |
unlock_user(p, arg1, 0);
|
| 7545 |
if (!is_error(ret))
|
| 7546 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
| 7547 |
break;
|
| 7548 |
#endif
|
| 7549 |
#ifdef TARGET_NR_lstat64
|
| 7550 |
case TARGET_NR_lstat64:
|
| 7551 |
if (!(p = lock_user_string(arg1)))
|
| 7552 |
goto efault;
|
| 7553 |
ret = get_errno(lstat(path(p), &st)); |
| 7554 |
unlock_user(p, arg1, 0);
|
| 7555 |
if (!is_error(ret))
|
| 7556 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
| 7557 |
break;
|
| 7558 |
#endif
|
| 7559 |
#ifdef TARGET_NR_fstat64
|
| 7560 |
case TARGET_NR_fstat64:
|
| 7561 |
ret = get_errno(fstat(arg1, &st)); |
| 7562 |
if (!is_error(ret))
|
| 7563 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
| 7564 |
break;
|
| 7565 |
#endif
|
| 7566 |
#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
|
| 7567 |
(defined(__NR_fstatat64) || defined(__NR_newfstatat)) |
| 7568 |
#ifdef TARGET_NR_fstatat64
|
| 7569 |
case TARGET_NR_fstatat64:
|
| 7570 |
#endif
|
| 7571 |
#ifdef TARGET_NR_newfstatat
|
| 7572 |
case TARGET_NR_newfstatat:
|
| 7573 |
#endif
|
| 7574 |
if (!(p = lock_user_string(arg2)))
|
| 7575 |
goto efault;
|
| 7576 |
#ifdef __NR_fstatat64
|
| 7577 |
ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4)); |
| 7578 |
#else
|
| 7579 |
ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4)); |
| 7580 |
#endif
|
| 7581 |
if (!is_error(ret))
|
| 7582 |
ret = host_to_target_stat64(cpu_env, arg3, &st); |
| 7583 |
break;
|
| 7584 |
#endif
|
| 7585 |
case TARGET_NR_lchown:
|
| 7586 |
if (!(p = lock_user_string(arg1)))
|
| 7587 |
goto efault;
|
| 7588 |
ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
| 7589 |
unlock_user(p, arg1, 0);
|
| 7590 |
break;
|
| 7591 |
#ifdef TARGET_NR_getuid
|
| 7592 |
case TARGET_NR_getuid:
|
| 7593 |
ret = get_errno(high2lowuid(getuid())); |
| 7594 |
break;
|
| 7595 |
#endif
|
| 7596 |
#ifdef TARGET_NR_getgid
|
| 7597 |
case TARGET_NR_getgid:
|
| 7598 |
ret = get_errno(high2lowgid(getgid())); |
| 7599 |
break;
|
| 7600 |
#endif
|
| 7601 |
#ifdef TARGET_NR_geteuid
|
| 7602 |
case TARGET_NR_geteuid:
|
| 7603 |
ret = get_errno(high2lowuid(geteuid())); |
| 7604 |
break;
|
| 7605 |
#endif
|
| 7606 |
#ifdef TARGET_NR_getegid
|
| 7607 |
case TARGET_NR_getegid:
|
| 7608 |
ret = get_errno(high2lowgid(getegid())); |
| 7609 |
break;
|
| 7610 |
#endif
|
| 7611 |
case TARGET_NR_setreuid:
|
| 7612 |
ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
| 7613 |
break;
|
| 7614 |
case TARGET_NR_setregid:
|
| 7615 |
ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
| 7616 |
break;
|
| 7617 |
case TARGET_NR_getgroups:
|
| 7618 |
{
|
| 7619 |
int gidsetsize = arg1;
|
| 7620 |
target_id *target_grouplist; |
| 7621 |
gid_t *grouplist; |
| 7622 |
int i;
|
| 7623 |
|
| 7624 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 7625 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
| 7626 |
if (gidsetsize == 0) |
| 7627 |
break;
|
| 7628 |
if (!is_error(ret)) {
|
| 7629 |
target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0); |
| 7630 |
if (!target_grouplist)
|
| 7631 |
goto efault;
|
| 7632 |
for(i = 0;i < ret; i++) |
| 7633 |
target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
| 7634 |
unlock_user(target_grouplist, arg2, gidsetsize * 2);
|
| 7635 |
} |
| 7636 |
} |
| 7637 |
break;
|
| 7638 |
case TARGET_NR_setgroups:
|
| 7639 |
{
|
| 7640 |
int gidsetsize = arg1;
|
| 7641 |
target_id *target_grouplist; |
| 7642 |
gid_t *grouplist; |
| 7643 |
int i;
|
| 7644 |
|
| 7645 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 7646 |
target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1); |
| 7647 |
if (!target_grouplist) {
|
| 7648 |
ret = -TARGET_EFAULT; |
| 7649 |
goto fail;
|
| 7650 |
} |
| 7651 |
for(i = 0;i < gidsetsize; i++) |
| 7652 |
grouplist[i] = low2highgid(tswapid(target_grouplist[i])); |
| 7653 |
unlock_user(target_grouplist, arg2, 0);
|
| 7654 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
| 7655 |
} |
| 7656 |
break;
|
| 7657 |
case TARGET_NR_fchown:
|
| 7658 |
ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
| 7659 |
break;
|
| 7660 |
#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
|
| 7661 |
case TARGET_NR_fchownat:
|
| 7662 |
if (!(p = lock_user_string(arg2)))
|
| 7663 |
goto efault;
|
| 7664 |
ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); |
| 7665 |
unlock_user(p, arg2, 0);
|
| 7666 |
break;
|
| 7667 |
#endif
|
| 7668 |
#ifdef TARGET_NR_setresuid
|
| 7669 |
case TARGET_NR_setresuid:
|
| 7670 |
ret = get_errno(setresuid(low2highuid(arg1), |
| 7671 |
low2highuid(arg2), |
| 7672 |
low2highuid(arg3))); |
| 7673 |
break;
|
| 7674 |
#endif
|
| 7675 |
#ifdef TARGET_NR_getresuid
|
| 7676 |
case TARGET_NR_getresuid:
|
| 7677 |
{
|
| 7678 |
uid_t ruid, euid, suid; |
| 7679 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
| 7680 |
if (!is_error(ret)) {
|
| 7681 |
if (put_user_u16(high2lowuid(ruid), arg1)
|
| 7682 |
|| put_user_u16(high2lowuid(euid), arg2) |
| 7683 |
|| put_user_u16(high2lowuid(suid), arg3)) |
| 7684 |
goto efault;
|
| 7685 |
} |
| 7686 |
} |
| 7687 |
break;
|
| 7688 |
#endif
|
| 7689 |
#ifdef TARGET_NR_getresgid
|
| 7690 |
case TARGET_NR_setresgid:
|
| 7691 |
ret = get_errno(setresgid(low2highgid(arg1), |
| 7692 |
low2highgid(arg2), |
| 7693 |
low2highgid(arg3))); |
| 7694 |
break;
|
| 7695 |
#endif
|
| 7696 |
#ifdef TARGET_NR_getresgid
|
| 7697 |
case TARGET_NR_getresgid:
|
| 7698 |
{
|
| 7699 |
gid_t rgid, egid, sgid; |
| 7700 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
| 7701 |
if (!is_error(ret)) {
|
| 7702 |
if (put_user_u16(high2lowgid(rgid), arg1)
|
| 7703 |
|| put_user_u16(high2lowgid(egid), arg2) |
| 7704 |
|| put_user_u16(high2lowgid(sgid), arg3)) |
| 7705 |
goto efault;
|
| 7706 |
} |
| 7707 |
} |
| 7708 |
break;
|
| 7709 |
#endif
|
| 7710 |
case TARGET_NR_chown:
|
| 7711 |
if (!(p = lock_user_string(arg1)))
|
| 7712 |
goto efault;
|
| 7713 |
ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
| 7714 |
unlock_user(p, arg1, 0);
|
| 7715 |
break;
|
| 7716 |
case TARGET_NR_setuid:
|
| 7717 |
ret = get_errno(setuid(low2highuid(arg1))); |
| 7718 |
break;
|
| 7719 |
case TARGET_NR_setgid:
|
| 7720 |
ret = get_errno(setgid(low2highgid(arg1))); |
| 7721 |
break;
|
| 7722 |
case TARGET_NR_setfsuid:
|
| 7723 |
ret = get_errno(setfsuid(arg1)); |
| 7724 |
break;
|
| 7725 |
case TARGET_NR_setfsgid:
|
| 7726 |
ret = get_errno(setfsgid(arg1)); |
| 7727 |
break;
|
| 7728 |
|
| 7729 |
#ifdef TARGET_NR_lchown32
|
| 7730 |
case TARGET_NR_lchown32:
|
| 7731 |
if (!(p = lock_user_string(arg1)))
|
| 7732 |
goto efault;
|
| 7733 |
ret = get_errno(lchown(p, arg2, arg3)); |
| 7734 |
unlock_user(p, arg1, 0);
|
| 7735 |
break;
|
| 7736 |
#endif
|
| 7737 |
#ifdef TARGET_NR_getuid32
|
| 7738 |
case TARGET_NR_getuid32:
|
| 7739 |
ret = get_errno(getuid()); |
| 7740 |
break;
|
| 7741 |
#endif
|
| 7742 |
|
| 7743 |
#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
|
| 7744 |
/* Alpha specific */
|
| 7745 |
case TARGET_NR_getxuid:
|
| 7746 |
{
|
| 7747 |
uid_t euid; |
| 7748 |
euid=geteuid(); |
| 7749 |
((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; |
| 7750 |
} |
| 7751 |
ret = get_errno(getuid()); |
| 7752 |
break;
|
| 7753 |
#endif
|
| 7754 |
#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
|
| 7755 |
/* Alpha specific */
|
| 7756 |
case TARGET_NR_getxgid:
|
| 7757 |
{
|
| 7758 |
uid_t egid; |
| 7759 |
egid=getegid(); |
| 7760 |
((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; |
| 7761 |
} |
| 7762 |
ret = get_errno(getgid()); |
| 7763 |
break;
|
| 7764 |
#endif
|
| 7765 |
#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
|
| 7766 |
/* Alpha specific */
|
| 7767 |
case TARGET_NR_osf_getsysinfo:
|
| 7768 |
ret = -TARGET_EOPNOTSUPP; |
| 7769 |
switch (arg1) {
|
| 7770 |
case TARGET_GSI_IEEE_FP_CONTROL:
|
| 7771 |
{
|
| 7772 |
uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env); |
| 7773 |
|
| 7774 |
/* Copied from linux ieee_fpcr_to_swcr. */
|
| 7775 |
swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
|
| 7776 |
swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
|
| 7777 |
swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
|
| 7778 |
| SWCR_TRAP_ENABLE_DZE |
| 7779 |
| SWCR_TRAP_ENABLE_OVF); |
| 7780 |
swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
|
| 7781 |
| SWCR_TRAP_ENABLE_INE); |
| 7782 |
swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
|
| 7783 |
swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
|
| 7784 |
|
| 7785 |
if (put_user_u64 (swcr, arg2))
|
| 7786 |
goto efault;
|
| 7787 |
ret = 0;
|
| 7788 |
} |
| 7789 |
break;
|
| 7790 |
|
| 7791 |
/* case GSI_IEEE_STATE_AT_SIGNAL:
|
| 7792 |
-- Not implemented in linux kernel.
|
| 7793 |
case GSI_UACPROC:
|
| 7794 |
-- Retrieves current unaligned access state; not much used.
|
| 7795 |
case GSI_PROC_TYPE:
|
| 7796 |
-- Retrieves implver information; surely not used.
|
| 7797 |
case GSI_GET_HWRPB:
|
| 7798 |
-- Grabs a copy of the HWRPB; surely not used.
|
| 7799 |
*/
|
| 7800 |
} |
| 7801 |
break;
|
| 7802 |
#endif
|
| 7803 |
#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
|
| 7804 |
/* Alpha specific */
|
| 7805 |
case TARGET_NR_osf_setsysinfo:
|
| 7806 |
ret = -TARGET_EOPNOTSUPP; |
| 7807 |
switch (arg1) {
|
| 7808 |
case TARGET_SSI_IEEE_FP_CONTROL:
|
| 7809 |
{
|
| 7810 |
uint64_t swcr, fpcr, orig_fpcr; |
| 7811 |
|
| 7812 |
if (get_user_u64 (swcr, arg2)) {
|
| 7813 |
goto efault;
|
| 7814 |
} |
| 7815 |
orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
| 7816 |
fpcr = orig_fpcr & FPCR_DYN_MASK; |
| 7817 |
|
| 7818 |
/* Copied from linux ieee_swcr_to_fpcr. */
|
| 7819 |
fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
|
| 7820 |
fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
|
| 7821 |
fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV |
| 7822 |
| SWCR_TRAP_ENABLE_DZE |
| 7823 |
| SWCR_TRAP_ENABLE_OVF)) << 48;
|
| 7824 |
fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF |
| 7825 |
| SWCR_TRAP_ENABLE_INE)) << 57;
|
| 7826 |
fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
|
| 7827 |
fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
|
| 7828 |
|
| 7829 |
cpu_alpha_store_fpcr(cpu_env, fpcr); |
| 7830 |
ret = 0;
|
| 7831 |
} |
| 7832 |
break;
|
| 7833 |
|
| 7834 |
case TARGET_SSI_IEEE_RAISE_EXCEPTION:
|
| 7835 |
{
|
| 7836 |
uint64_t exc, fpcr, orig_fpcr; |
| 7837 |
int si_code;
|
| 7838 |
|
| 7839 |
if (get_user_u64(exc, arg2)) {
|
| 7840 |
goto efault;
|
| 7841 |
} |
| 7842 |
|
| 7843 |
orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
| 7844 |
|
| 7845 |
/* We only add to the exception status here. */
|
| 7846 |
fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
|
| 7847 |
|
| 7848 |
cpu_alpha_store_fpcr(cpu_env, fpcr); |
| 7849 |
ret = 0;
|
| 7850 |
|
| 7851 |
/* Old exceptions are not signaled. */
|
| 7852 |
fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK); |
| 7853 |
|
| 7854 |
/* If any exceptions set by this call,
|
| 7855 |
and are unmasked, send a signal. */
|
| 7856 |
si_code = 0;
|
| 7857 |
if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
|
| 7858 |
si_code = TARGET_FPE_FLTRES; |
| 7859 |
} |
| 7860 |
if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
|
| 7861 |
si_code = TARGET_FPE_FLTUND; |
| 7862 |
} |
| 7863 |
if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
|
| 7864 |
si_code = TARGET_FPE_FLTOVF; |
| 7865 |
} |
| 7866 |
if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
|
| 7867 |
si_code = TARGET_FPE_FLTDIV; |
| 7868 |
} |
| 7869 |
if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
|
| 7870 |
si_code = TARGET_FPE_FLTINV; |
| 7871 |
} |
| 7872 |
if (si_code != 0) { |
| 7873 |
target_siginfo_t info; |
| 7874 |
info.si_signo = SIGFPE; |
| 7875 |
info.si_errno = 0;
|
| 7876 |
info.si_code = si_code; |
| 7877 |
info._sifields._sigfault._addr |
| 7878 |
= ((CPUArchState *)cpu_env)->pc; |
| 7879 |
queue_signal((CPUArchState *)cpu_env, info.si_signo, &info); |
| 7880 |
} |
| 7881 |
} |
| 7882 |
break;
|
| 7883 |
|
| 7884 |
/* case SSI_NVPAIRS:
|
| 7885 |
-- Used with SSIN_UACPROC to enable unaligned accesses.
|
| 7886 |
case SSI_IEEE_STATE_AT_SIGNAL:
|
| 7887 |
case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
|
| 7888 |
-- Not implemented in linux kernel
|
| 7889 |
*/
|
| 7890 |
} |
| 7891 |
break;
|
| 7892 |
#endif
|
| 7893 |
#ifdef TARGET_NR_osf_sigprocmask
|
| 7894 |
/* Alpha specific. */
|
| 7895 |
case TARGET_NR_osf_sigprocmask:
|
| 7896 |
{
|
| 7897 |
abi_ulong mask; |
| 7898 |
int how;
|
| 7899 |
sigset_t set, oldset; |
| 7900 |
|
| 7901 |
switch(arg1) {
|
| 7902 |
case TARGET_SIG_BLOCK:
|
| 7903 |
how = SIG_BLOCK; |
| 7904 |
break;
|
| 7905 |
case TARGET_SIG_UNBLOCK:
|
| 7906 |
how = SIG_UNBLOCK; |
| 7907 |
break;
|
| 7908 |
case TARGET_SIG_SETMASK:
|
| 7909 |
how = SIG_SETMASK; |
| 7910 |
break;
|
| 7911 |
default:
|
| 7912 |
ret = -TARGET_EINVAL; |
| 7913 |
goto fail;
|
| 7914 |
} |
| 7915 |
mask = arg2; |
| 7916 |
target_to_host_old_sigset(&set, &mask); |
| 7917 |
sigprocmask(how, &set, &oldset); |
| 7918 |
host_to_target_old_sigset(&mask, &oldset); |
| 7919 |
ret = mask; |
| 7920 |
} |
| 7921 |
break;
|
| 7922 |
#endif
|
| 7923 |
|
| 7924 |
#ifdef TARGET_NR_getgid32
|
| 7925 |
case TARGET_NR_getgid32:
|
| 7926 |
ret = get_errno(getgid()); |
| 7927 |
break;
|
| 7928 |
#endif
|
| 7929 |
#ifdef TARGET_NR_geteuid32
|
| 7930 |
case TARGET_NR_geteuid32:
|
| 7931 |
ret = get_errno(geteuid()); |
| 7932 |
break;
|
| 7933 |
#endif
|
| 7934 |
#ifdef TARGET_NR_getegid32
|
| 7935 |
case TARGET_NR_getegid32:
|
| 7936 |
ret = get_errno(getegid()); |
| 7937 |
break;
|
| 7938 |
#endif
|
| 7939 |
#ifdef TARGET_NR_setreuid32
|
| 7940 |
case TARGET_NR_setreuid32:
|
| 7941 |
ret = get_errno(setreuid(arg1, arg2)); |
| 7942 |
break;
|
| 7943 |
#endif
|
| 7944 |
#ifdef TARGET_NR_setregid32
|
| 7945 |
case TARGET_NR_setregid32:
|
| 7946 |
ret = get_errno(setregid(arg1, arg2)); |
| 7947 |
break;
|
| 7948 |
#endif
|
| 7949 |
#ifdef TARGET_NR_getgroups32
|
| 7950 |
case TARGET_NR_getgroups32:
|
| 7951 |
{
|
| 7952 |
int gidsetsize = arg1;
|
| 7953 |
uint32_t *target_grouplist; |
| 7954 |
gid_t *grouplist; |
| 7955 |
int i;
|
| 7956 |
|
| 7957 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 7958 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
| 7959 |
if (gidsetsize == 0) |
| 7960 |
break;
|
| 7961 |
if (!is_error(ret)) {
|
| 7962 |
target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
| 7963 |
if (!target_grouplist) {
|
| 7964 |
ret = -TARGET_EFAULT; |
| 7965 |
goto fail;
|
| 7966 |
} |
| 7967 |
for(i = 0;i < ret; i++) |
| 7968 |
target_grouplist[i] = tswap32(grouplist[i]); |
| 7969 |
unlock_user(target_grouplist, arg2, gidsetsize * 4);
|
| 7970 |
} |
| 7971 |
} |
| 7972 |
break;
|
| 7973 |
#endif
|
| 7974 |
#ifdef TARGET_NR_setgroups32
|
| 7975 |
case TARGET_NR_setgroups32:
|
| 7976 |
{
|
| 7977 |
int gidsetsize = arg1;
|
| 7978 |
uint32_t *target_grouplist; |
| 7979 |
gid_t *grouplist; |
| 7980 |
int i;
|
| 7981 |
|
| 7982 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 7983 |
target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
| 7984 |
if (!target_grouplist) {
|
| 7985 |
ret = -TARGET_EFAULT; |
| 7986 |
goto fail;
|
| 7987 |
} |
| 7988 |
for(i = 0;i < gidsetsize; i++) |
| 7989 |
grouplist[i] = tswap32(target_grouplist[i]); |
| 7990 |
unlock_user(target_grouplist, arg2, 0);
|
| 7991 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
| 7992 |
} |
| 7993 |
break;
|
| 7994 |
#endif
|
| 7995 |
#ifdef TARGET_NR_fchown32
|
| 7996 |
case TARGET_NR_fchown32:
|
| 7997 |
ret = get_errno(fchown(arg1, arg2, arg3)); |
| 7998 |
break;
|
| 7999 |
#endif
|
| 8000 |
#ifdef TARGET_NR_setresuid32
|
| 8001 |
case TARGET_NR_setresuid32:
|
| 8002 |
ret = get_errno(setresuid(arg1, arg2, arg3)); |
| 8003 |
break;
|
| 8004 |
#endif
|
| 8005 |
#ifdef TARGET_NR_getresuid32
|
| 8006 |
case TARGET_NR_getresuid32:
|
| 8007 |
{
|
| 8008 |
uid_t ruid, euid, suid; |
| 8009 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
| 8010 |
if (!is_error(ret)) {
|
| 8011 |
if (put_user_u32(ruid, arg1)
|
| 8012 |
|| put_user_u32(euid, arg2) |
| 8013 |
|| put_user_u32(suid, arg3)) |
| 8014 |
goto efault;
|
| 8015 |
} |
| 8016 |
} |
| 8017 |
break;
|
| 8018 |
#endif
|
| 8019 |
#ifdef TARGET_NR_setresgid32
|
| 8020 |
case TARGET_NR_setresgid32:
|
| 8021 |
ret = get_errno(setresgid(arg1, arg2, arg3)); |
| 8022 |
break;
|
| 8023 |
#endif
|
| 8024 |
#ifdef TARGET_NR_getresgid32
|
| 8025 |
case TARGET_NR_getresgid32:
|
| 8026 |
{
|
| 8027 |
gid_t rgid, egid, sgid; |
| 8028 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
| 8029 |
if (!is_error(ret)) {
|
| 8030 |
if (put_user_u32(rgid, arg1)
|
| 8031 |
|| put_user_u32(egid, arg2) |
| 8032 |
|| put_user_u32(sgid, arg3)) |
| 8033 |
goto efault;
|
| 8034 |
} |
| 8035 |
} |
| 8036 |
break;
|
| 8037 |
#endif
|
| 8038 |
#ifdef TARGET_NR_chown32
|
| 8039 |
case TARGET_NR_chown32:
|
| 8040 |
if (!(p = lock_user_string(arg1)))
|
| 8041 |
goto efault;
|
| 8042 |
ret = get_errno(chown(p, arg2, arg3)); |
| 8043 |
unlock_user(p, arg1, 0);
|
| 8044 |
break;
|
| 8045 |
#endif
|
| 8046 |
#ifdef TARGET_NR_setuid32
|
| 8047 |
case TARGET_NR_setuid32:
|
| 8048 |
ret = get_errno(setuid(arg1)); |
| 8049 |
break;
|
| 8050 |
#endif
|
| 8051 |
#ifdef TARGET_NR_setgid32
|
| 8052 |
case TARGET_NR_setgid32:
|
| 8053 |
ret = get_errno(setgid(arg1)); |
| 8054 |
break;
|
| 8055 |
#endif
|
| 8056 |
#ifdef TARGET_NR_setfsuid32
|
| 8057 |
case TARGET_NR_setfsuid32:
|
| 8058 |
ret = get_errno(setfsuid(arg1)); |
| 8059 |
break;
|
| 8060 |
#endif
|
| 8061 |
#ifdef TARGET_NR_setfsgid32
|
| 8062 |
case TARGET_NR_setfsgid32:
|
| 8063 |
ret = get_errno(setfsgid(arg1)); |
| 8064 |
break;
|
| 8065 |
#endif
|
| 8066 |
|
| 8067 |
case TARGET_NR_pivot_root:
|
| 8068 |
goto unimplemented;
|
| 8069 |
#ifdef TARGET_NR_mincore
|
| 8070 |
case TARGET_NR_mincore:
|
| 8071 |
{
|
| 8072 |
void *a;
|
| 8073 |
ret = -TARGET_EFAULT; |
| 8074 |
if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0))) |
| 8075 |
goto efault;
|
| 8076 |
if (!(p = lock_user_string(arg3)))
|
| 8077 |
goto mincore_fail;
|
| 8078 |
ret = get_errno(mincore(a, arg2, p)); |
| 8079 |
unlock_user(p, arg3, ret); |
| 8080 |
mincore_fail:
|
| 8081 |
unlock_user(a, arg1, 0);
|
| 8082 |
} |
| 8083 |
break;
|
| 8084 |
#endif
|
| 8085 |
#ifdef TARGET_NR_arm_fadvise64_64
|
| 8086 |
case TARGET_NR_arm_fadvise64_64:
|
| 8087 |
{
|
| 8088 |
/*
|
| 8089 |
* arm_fadvise64_64 looks like fadvise64_64 but
|
| 8090 |
* with different argument order
|
| 8091 |
*/
|
| 8092 |
abi_long temp; |
| 8093 |
temp = arg3; |
| 8094 |
arg3 = arg4; |
| 8095 |
arg4 = temp; |
| 8096 |
} |
| 8097 |
#endif
|
| 8098 |
#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
|
| 8099 |
#ifdef TARGET_NR_fadvise64_64
|
| 8100 |
case TARGET_NR_fadvise64_64:
|
| 8101 |
#endif
|
| 8102 |
#ifdef TARGET_NR_fadvise64
|
| 8103 |
case TARGET_NR_fadvise64:
|
| 8104 |
#endif
|
| 8105 |
#ifdef TARGET_S390X
|
| 8106 |
switch (arg4) {
|
| 8107 |
case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ |
| 8108 |
case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ |
| 8109 |
case 6: arg4 = POSIX_FADV_DONTNEED; break; |
| 8110 |
case 7: arg4 = POSIX_FADV_NOREUSE; break; |
| 8111 |
default: break; |
| 8112 |
} |
| 8113 |
#endif
|
| 8114 |
ret = -posix_fadvise(arg1, arg2, arg3, arg4); |
| 8115 |
break;
|
| 8116 |
#endif
|
| 8117 |
#ifdef TARGET_NR_madvise
|
| 8118 |
case TARGET_NR_madvise:
|
| 8119 |
/* A straight passthrough may not be safe because qemu sometimes
|
| 8120 |
turns private flie-backed mappings into anonymous mappings.
|
| 8121 |
This will break MADV_DONTNEED.
|
| 8122 |
This is a hint, so ignoring and returning success is ok. */
|
| 8123 |
ret = get_errno(0);
|
| 8124 |
break;
|
| 8125 |
#endif
|
| 8126 |
#if TARGET_ABI_BITS == 32 |
| 8127 |
case TARGET_NR_fcntl64:
|
| 8128 |
{
|
| 8129 |
int cmd;
|
| 8130 |
struct flock64 fl;
|
| 8131 |
struct target_flock64 *target_fl;
|
| 8132 |
#ifdef TARGET_ARM
|
| 8133 |
struct target_eabi_flock64 *target_efl;
|
| 8134 |
#endif
|
| 8135 |
|
| 8136 |
cmd = target_to_host_fcntl_cmd(arg2); |
| 8137 |
if (cmd == -TARGET_EINVAL) {
|
| 8138 |
ret = cmd; |
| 8139 |
break;
|
| 8140 |
} |
| 8141 |
|
| 8142 |
switch(arg2) {
|
| 8143 |
case TARGET_F_GETLK64:
|
| 8144 |
#ifdef TARGET_ARM
|
| 8145 |
if (((CPUARMState *)cpu_env)->eabi) {
|
| 8146 |
if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
| 8147 |
goto efault;
|
| 8148 |
fl.l_type = tswap16(target_efl->l_type); |
| 8149 |
fl.l_whence = tswap16(target_efl->l_whence); |
| 8150 |
fl.l_start = tswap64(target_efl->l_start); |
| 8151 |
fl.l_len = tswap64(target_efl->l_len); |
| 8152 |
fl.l_pid = tswap32(target_efl->l_pid); |
| 8153 |
unlock_user_struct(target_efl, arg3, 0);
|
| 8154 |
} else
|
| 8155 |
#endif
|
| 8156 |
{
|
| 8157 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
| 8158 |
goto efault;
|
| 8159 |
fl.l_type = tswap16(target_fl->l_type); |
| 8160 |
fl.l_whence = tswap16(target_fl->l_whence); |
| 8161 |
fl.l_start = tswap64(target_fl->l_start); |
| 8162 |
fl.l_len = tswap64(target_fl->l_len); |
| 8163 |
fl.l_pid = tswap32(target_fl->l_pid); |
| 8164 |
unlock_user_struct(target_fl, arg3, 0);
|
| 8165 |
} |
| 8166 |
ret = get_errno(fcntl(arg1, cmd, &fl)); |
| 8167 |
if (ret == 0) { |
| 8168 |
#ifdef TARGET_ARM
|
| 8169 |
if (((CPUARMState *)cpu_env)->eabi) {
|
| 8170 |
if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) |
| 8171 |
goto efault;
|
| 8172 |
target_efl->l_type = tswap16(fl.l_type); |
| 8173 |
target_efl->l_whence = tswap16(fl.l_whence); |
| 8174 |
target_efl->l_start = tswap64(fl.l_start); |
| 8175 |
target_efl->l_len = tswap64(fl.l_len); |
| 8176 |
target_efl->l_pid = tswap32(fl.l_pid); |
| 8177 |
unlock_user_struct(target_efl, arg3, 1);
|
| 8178 |
} else
|
| 8179 |
#endif
|
| 8180 |
{
|
| 8181 |
if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) |
| 8182 |
goto efault;
|
| 8183 |
target_fl->l_type = tswap16(fl.l_type); |
| 8184 |
target_fl->l_whence = tswap16(fl.l_whence); |
| 8185 |
target_fl->l_start = tswap64(fl.l_start); |
| 8186 |
target_fl->l_len = tswap64(fl.l_len); |
| 8187 |
target_fl->l_pid = tswap32(fl.l_pid); |
| 8188 |
unlock_user_struct(target_fl, arg3, 1);
|
| 8189 |
} |
| 8190 |
} |
| 8191 |
break;
|
| 8192 |
|
| 8193 |
case TARGET_F_SETLK64:
|
| 8194 |
case TARGET_F_SETLKW64:
|
| 8195 |
#ifdef TARGET_ARM
|
| 8196 |
if (((CPUARMState *)cpu_env)->eabi) {
|
| 8197 |
if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
| 8198 |
goto efault;
|
| 8199 |
fl.l_type = tswap16(target_efl->l_type); |
| 8200 |
fl.l_whence = tswap16(target_efl->l_whence); |
| 8201 |
fl.l_start = tswap64(target_efl->l_start); |
| 8202 |
fl.l_len = tswap64(target_efl->l_len); |
| 8203 |
fl.l_pid = tswap32(target_efl->l_pid); |
| 8204 |
unlock_user_struct(target_efl, arg3, 0);
|
| 8205 |
} else
|
| 8206 |
#endif
|
| 8207 |
{
|
| 8208 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
| 8209 |
goto efault;
|
| 8210 |
fl.l_type = tswap16(target_fl->l_type); |
| 8211 |
fl.l_whence = tswap16(target_fl->l_whence); |
| 8212 |
fl.l_start = tswap64(target_fl->l_start); |
| 8213 |
fl.l_len = tswap64(target_fl->l_len); |
| 8214 |
fl.l_pid = tswap32(target_fl->l_pid); |
| 8215 |
unlock_user_struct(target_fl, arg3, 0);
|
| 8216 |
} |
| 8217 |
ret = get_errno(fcntl(arg1, cmd, &fl)); |
| 8218 |
break;
|
| 8219 |
default:
|
| 8220 |
ret = do_fcntl(arg1, arg2, arg3); |
| 8221 |
break;
|
| 8222 |
} |
| 8223 |
break;
|
| 8224 |
} |
| 8225 |
#endif
|
| 8226 |
#ifdef TARGET_NR_cacheflush
|
| 8227 |
case TARGET_NR_cacheflush:
|
| 8228 |
/* self-modifying code is handled automatically, so nothing needed */
|
| 8229 |
ret = 0;
|
| 8230 |
break;
|
| 8231 |
#endif
|
| 8232 |
#ifdef TARGET_NR_security
|
| 8233 |
case TARGET_NR_security:
|
| 8234 |
goto unimplemented;
|
| 8235 |
#endif
|
| 8236 |
#ifdef TARGET_NR_getpagesize
|
| 8237 |
case TARGET_NR_getpagesize:
|
| 8238 |
ret = TARGET_PAGE_SIZE; |
| 8239 |
break;
|
| 8240 |
#endif
|
| 8241 |
case TARGET_NR_gettid:
|
| 8242 |
ret = get_errno(gettid()); |
| 8243 |
break;
|
| 8244 |
#ifdef TARGET_NR_readahead
|
| 8245 |
case TARGET_NR_readahead:
|
| 8246 |
#if TARGET_ABI_BITS == 32 |
| 8247 |
if (regpairs_aligned(cpu_env)) {
|
| 8248 |
arg2 = arg3; |
| 8249 |
arg3 = arg4; |
| 8250 |
arg4 = arg5; |
| 8251 |
} |
| 8252 |
ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
|
| 8253 |
#else
|
| 8254 |
ret = get_errno(readahead(arg1, arg2, arg3)); |
| 8255 |
#endif
|
| 8256 |
break;
|
| 8257 |
#endif
|
| 8258 |
#ifdef CONFIG_ATTR
|
| 8259 |
#ifdef TARGET_NR_setxattr
|
| 8260 |
case TARGET_NR_listxattr:
|
| 8261 |
case TARGET_NR_llistxattr:
|
| 8262 |
{
|
| 8263 |
void *p, *b = 0; |
| 8264 |
if (arg2) {
|
| 8265 |
b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
|
| 8266 |
if (!b) {
|
| 8267 |
ret = -TARGET_EFAULT; |
| 8268 |
break;
|
| 8269 |
} |
| 8270 |
} |
| 8271 |
p = lock_user_string(arg1); |
| 8272 |
if (p) {
|
| 8273 |
if (num == TARGET_NR_listxattr) {
|
| 8274 |
ret = get_errno(listxattr(p, b, arg3)); |
| 8275 |
} else {
|
| 8276 |
ret = get_errno(llistxattr(p, b, arg3)); |
| 8277 |
} |
| 8278 |
} else {
|
| 8279 |
ret = -TARGET_EFAULT; |
| 8280 |
} |
| 8281 |
unlock_user(p, arg1, 0);
|
| 8282 |
unlock_user(b, arg2, arg3); |
| 8283 |
break;
|
| 8284 |
} |
| 8285 |
case TARGET_NR_flistxattr:
|
| 8286 |
{
|
| 8287 |
void *b = 0; |
| 8288 |
if (arg2) {
|
| 8289 |
b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
|
| 8290 |
if (!b) {
|
| 8291 |
ret = -TARGET_EFAULT; |
| 8292 |
break;
|
| 8293 |
} |
| 8294 |
} |
| 8295 |
ret = get_errno(flistxattr(arg1, b, arg3)); |
| 8296 |
unlock_user(b, arg2, arg3); |
| 8297 |
break;
|
| 8298 |
} |
| 8299 |
case TARGET_NR_setxattr:
|
| 8300 |
case TARGET_NR_lsetxattr:
|
| 8301 |
{
|
| 8302 |
void *p, *n, *v = 0; |
| 8303 |
if (arg3) {
|
| 8304 |
v = lock_user(VERIFY_READ, arg3, arg4, 1);
|
| 8305 |
if (!v) {
|
| 8306 |
ret = -TARGET_EFAULT; |
| 8307 |
break;
|
| 8308 |
} |
| 8309 |
} |
| 8310 |
p = lock_user_string(arg1); |
| 8311 |
n = lock_user_string(arg2); |
| 8312 |
if (p && n) {
|
| 8313 |
if (num == TARGET_NR_setxattr) {
|
| 8314 |
ret = get_errno(setxattr(p, n, v, arg4, arg5)); |
| 8315 |
} else {
|
| 8316 |
ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); |
| 8317 |
} |
| 8318 |
} else {
|
| 8319 |
ret = -TARGET_EFAULT; |
| 8320 |
} |
| 8321 |
unlock_user(p, arg1, 0);
|
| 8322 |
unlock_user(n, arg2, 0);
|
| 8323 |
unlock_user(v, arg3, 0);
|
| 8324 |
} |
| 8325 |
break;
|
| 8326 |
case TARGET_NR_fsetxattr:
|
| 8327 |
{
|
| 8328 |
void *n, *v = 0; |
| 8329 |
if (arg3) {
|
| 8330 |
v = lock_user(VERIFY_READ, arg3, arg4, 1);
|
| 8331 |
if (!v) {
|
| 8332 |
ret = -TARGET_EFAULT; |
| 8333 |
break;
|
| 8334 |
} |
| 8335 |
} |
| 8336 |
n = lock_user_string(arg2); |
| 8337 |
if (n) {
|
| 8338 |
ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); |
| 8339 |
} else {
|
| 8340 |
ret = -TARGET_EFAULT; |
| 8341 |
} |
| 8342 |
unlock_user(n, arg2, 0);
|
| 8343 |
unlock_user(v, arg3, 0);
|
| 8344 |
} |
| 8345 |
break;
|
| 8346 |
case TARGET_NR_getxattr:
|
| 8347 |
case TARGET_NR_lgetxattr:
|
| 8348 |
{
|
| 8349 |
void *p, *n, *v = 0; |
| 8350 |
if (arg3) {
|
| 8351 |
v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
|
| 8352 |
if (!v) {
|
| 8353 |
ret = -TARGET_EFAULT; |
| 8354 |
break;
|
| 8355 |
} |
| 8356 |
} |
| 8357 |
p = lock_user_string(arg1); |
| 8358 |
n = lock_user_string(arg2); |
| 8359 |
if (p && n) {
|
| 8360 |
if (num == TARGET_NR_getxattr) {
|
| 8361 |
ret = get_errno(getxattr(p, n, v, arg4)); |
| 8362 |
} else {
|
| 8363 |
ret = get_errno(lgetxattr(p, n, v, arg4)); |
| 8364 |
} |
| 8365 |
} else {
|
| 8366 |
ret = -TARGET_EFAULT; |
| 8367 |
} |
| 8368 |
unlock_user(p, arg1, 0);
|
| 8369 |
unlock_user(n, arg2, 0);
|
| 8370 |
unlock_user(v, arg3, arg4); |
| 8371 |
} |
| 8372 |
break;
|
| 8373 |
case TARGET_NR_fgetxattr:
|
| 8374 |
{
|
| 8375 |
void *n, *v = 0; |
| 8376 |
if (arg3) {
|
| 8377 |
v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
|
| 8378 |
if (!v) {
|
| 8379 |
ret = -TARGET_EFAULT; |
| 8380 |
break;
|
| 8381 |
} |
| 8382 |
} |
| 8383 |
n = lock_user_string(arg2); |
| 8384 |
if (n) {
|
| 8385 |
ret = get_errno(fgetxattr(arg1, n, v, arg4)); |
| 8386 |
} else {
|
| 8387 |
ret = -TARGET_EFAULT; |
| 8388 |
} |
| 8389 |
unlock_user(n, arg2, 0);
|
| 8390 |
unlock_user(v, arg3, arg4); |
| 8391 |
} |
| 8392 |
break;
|
| 8393 |
case TARGET_NR_removexattr:
|
| 8394 |
case TARGET_NR_lremovexattr:
|
| 8395 |
{
|
| 8396 |
void *p, *n;
|
| 8397 |
p = lock_user_string(arg1); |
| 8398 |
n = lock_user_string(arg2); |
| 8399 |
if (p && n) {
|
| 8400 |
if (num == TARGET_NR_removexattr) {
|
| 8401 |
ret = get_errno(removexattr(p, n)); |
| 8402 |
} else {
|
| 8403 |
ret = get_errno(lremovexattr(p, n)); |
| 8404 |
} |
| 8405 |
} else {
|
| 8406 |
ret = -TARGET_EFAULT; |
| 8407 |
} |
| 8408 |
unlock_user(p, arg1, 0);
|
| 8409 |
unlock_user(n, arg2, 0);
|
| 8410 |
} |
| 8411 |
break;
|
| 8412 |
case TARGET_NR_fremovexattr:
|
| 8413 |
{
|
| 8414 |
void *n;
|
| 8415 |
n = lock_user_string(arg2); |
| 8416 |
if (n) {
|
| 8417 |
ret = get_errno(fremovexattr(arg1, n)); |
| 8418 |
} else {
|
| 8419 |
ret = -TARGET_EFAULT; |
| 8420 |
} |
| 8421 |
unlock_user(n, arg2, 0);
|
| 8422 |
} |
| 8423 |
break;
|
| 8424 |
#endif
|
| 8425 |
#endif /* CONFIG_ATTR */ |
| 8426 |
#ifdef TARGET_NR_set_thread_area
|
| 8427 |
case TARGET_NR_set_thread_area:
|
| 8428 |
#if defined(TARGET_MIPS)
|
| 8429 |
((CPUMIPSState *) cpu_env)->tls_value = arg1; |
| 8430 |
ret = 0;
|
| 8431 |
break;
|
| 8432 |
#elif defined(TARGET_CRIS)
|
| 8433 |
if (arg1 & 0xff) |
| 8434 |
ret = -TARGET_EINVAL; |
| 8435 |
else {
|
| 8436 |
((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; |
| 8437 |
ret = 0;
|
| 8438 |
} |
| 8439 |
break;
|
| 8440 |
#elif defined(TARGET_I386) && defined(TARGET_ABI32)
|
| 8441 |
ret = do_set_thread_area(cpu_env, arg1); |
| 8442 |
break;
|
| 8443 |
#else
|
| 8444 |
goto unimplemented_nowarn;
|
| 8445 |
#endif
|
| 8446 |
#endif
|
| 8447 |
#ifdef TARGET_NR_get_thread_area
|
| 8448 |
case TARGET_NR_get_thread_area:
|
| 8449 |
#if defined(TARGET_I386) && defined(TARGET_ABI32)
|
| 8450 |
ret = do_get_thread_area(cpu_env, arg1); |
| 8451 |
#else
|
| 8452 |
goto unimplemented_nowarn;
|
| 8453 |
#endif
|
| 8454 |
#endif
|
| 8455 |
#ifdef TARGET_NR_getdomainname
|
| 8456 |
case TARGET_NR_getdomainname:
|
| 8457 |
goto unimplemented_nowarn;
|
| 8458 |
#endif
|
| 8459 |
|
| 8460 |
#ifdef TARGET_NR_clock_gettime
|
| 8461 |
case TARGET_NR_clock_gettime:
|
| 8462 |
{
|
| 8463 |
struct timespec ts;
|
| 8464 |
ret = get_errno(clock_gettime(arg1, &ts)); |
| 8465 |
if (!is_error(ret)) {
|
| 8466 |
host_to_target_timespec(arg2, &ts); |
| 8467 |
} |
| 8468 |
break;
|
| 8469 |
} |
| 8470 |
#endif
|
| 8471 |
#ifdef TARGET_NR_clock_getres
|
| 8472 |
case TARGET_NR_clock_getres:
|
| 8473 |
{
|
| 8474 |
struct timespec ts;
|
| 8475 |
ret = get_errno(clock_getres(arg1, &ts)); |
| 8476 |
if (!is_error(ret)) {
|
| 8477 |
host_to_target_timespec(arg2, &ts); |
| 8478 |
} |
| 8479 |
break;
|
| 8480 |
} |
| 8481 |
#endif
|
| 8482 |
#ifdef TARGET_NR_clock_nanosleep
|
| 8483 |
case TARGET_NR_clock_nanosleep:
|
| 8484 |
{
|
| 8485 |
struct timespec ts;
|
| 8486 |
target_to_host_timespec(&ts, arg3); |
| 8487 |
ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
|
| 8488 |
if (arg4)
|
| 8489 |
host_to_target_timespec(arg4, &ts); |
| 8490 |
break;
|
| 8491 |
} |
| 8492 |
#endif
|
| 8493 |
|
| 8494 |
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
|
| 8495 |
case TARGET_NR_set_tid_address:
|
| 8496 |
ret = get_errno(set_tid_address((int *)g2h(arg1)));
|
| 8497 |
break;
|
| 8498 |
#endif
|
| 8499 |
|
| 8500 |
#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
|
| 8501 |
case TARGET_NR_tkill:
|
| 8502 |
ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
|
| 8503 |
break;
|
| 8504 |
#endif
|
| 8505 |
|
| 8506 |
#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
|
| 8507 |
case TARGET_NR_tgkill:
|
| 8508 |
ret = get_errno(sys_tgkill((int)arg1, (int)arg2, |
| 8509 |
target_to_host_signal(arg3))); |
| 8510 |
break;
|
| 8511 |
#endif
|
| 8512 |
|
| 8513 |
#ifdef TARGET_NR_set_robust_list
|
| 8514 |
case TARGET_NR_set_robust_list:
|
| 8515 |
goto unimplemented_nowarn;
|
| 8516 |
#endif
|
| 8517 |
|
| 8518 |
#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
|
| 8519 |
case TARGET_NR_utimensat:
|
| 8520 |
{
|
| 8521 |
struct timespec *tsp, ts[2]; |
| 8522 |
if (!arg3) {
|
| 8523 |
tsp = NULL;
|
| 8524 |
} else {
|
| 8525 |
target_to_host_timespec(ts, arg3); |
| 8526 |
target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); |
| 8527 |
tsp = ts; |
| 8528 |
} |
| 8529 |
if (!arg2)
|
| 8530 |
ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
|
| 8531 |
else {
|
| 8532 |
if (!(p = lock_user_string(arg2))) {
|
| 8533 |
ret = -TARGET_EFAULT; |
| 8534 |
goto fail;
|
| 8535 |
} |
| 8536 |
ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
| 8537 |
unlock_user(p, arg2, 0);
|
| 8538 |
} |
| 8539 |
} |
| 8540 |
break;
|
| 8541 |
#endif
|
| 8542 |
#if defined(CONFIG_USE_NPTL)
|
| 8543 |
case TARGET_NR_futex:
|
| 8544 |
ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); |
| 8545 |
break;
|
| 8546 |
#endif
|
| 8547 |
#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
|
| 8548 |
case TARGET_NR_inotify_init:
|
| 8549 |
ret = get_errno(sys_inotify_init()); |
| 8550 |
break;
|
| 8551 |
#endif
|
| 8552 |
#ifdef CONFIG_INOTIFY1
|
| 8553 |
#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
|
| 8554 |
case TARGET_NR_inotify_init1:
|
| 8555 |
ret = get_errno(sys_inotify_init1(arg1)); |
| 8556 |
break;
|
| 8557 |
#endif
|
| 8558 |
#endif
|
| 8559 |
#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
|
| 8560 |
case TARGET_NR_inotify_add_watch:
|
| 8561 |
p = lock_user_string(arg2); |
| 8562 |
ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); |
| 8563 |
unlock_user(p, arg2, 0);
|
| 8564 |
break;
|
| 8565 |
#endif
|
| 8566 |
#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
|
| 8567 |
case TARGET_NR_inotify_rm_watch:
|
| 8568 |
ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); |
| 8569 |
break;
|
| 8570 |
#endif
|
| 8571 |
|
| 8572 |
#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
|
| 8573 |
case TARGET_NR_mq_open:
|
| 8574 |
{
|
| 8575 |
struct mq_attr posix_mq_attr;
|
| 8576 |
|
| 8577 |
p = lock_user_string(arg1 - 1);
|
| 8578 |
if (arg4 != 0) |
| 8579 |
copy_from_user_mq_attr (&posix_mq_attr, arg4); |
| 8580 |
ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr)); |
| 8581 |
unlock_user (p, arg1, 0);
|
| 8582 |
} |
| 8583 |
break;
|
| 8584 |
|
| 8585 |
case TARGET_NR_mq_unlink:
|
| 8586 |
p = lock_user_string(arg1 - 1);
|
| 8587 |
ret = get_errno(mq_unlink(p)); |
| 8588 |
unlock_user (p, arg1, 0);
|
| 8589 |
break;
|
| 8590 |
|
| 8591 |
case TARGET_NR_mq_timedsend:
|
| 8592 |
{
|
| 8593 |
struct timespec ts;
|
| 8594 |
|
| 8595 |
p = lock_user (VERIFY_READ, arg2, arg3, 1);
|
| 8596 |
if (arg5 != 0) { |
| 8597 |
target_to_host_timespec(&ts, arg5); |
| 8598 |
ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts)); |
| 8599 |
host_to_target_timespec(arg5, &ts); |
| 8600 |
} |
| 8601 |
else
|
| 8602 |
ret = get_errno(mq_send(arg1, p, arg3, arg4)); |
| 8603 |
unlock_user (p, arg2, arg3); |
| 8604 |
} |
| 8605 |
break;
|
| 8606 |
|
| 8607 |
case TARGET_NR_mq_timedreceive:
|
| 8608 |
{
|
| 8609 |
struct timespec ts;
|
| 8610 |
unsigned int prio; |
| 8611 |
|
| 8612 |
p = lock_user (VERIFY_READ, arg2, arg3, 1);
|
| 8613 |
if (arg5 != 0) { |
| 8614 |
target_to_host_timespec(&ts, arg5); |
| 8615 |
ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts)); |
| 8616 |
host_to_target_timespec(arg5, &ts); |
| 8617 |
} |
| 8618 |
else
|
| 8619 |
ret = get_errno(mq_receive(arg1, p, arg3, &prio)); |
| 8620 |
unlock_user (p, arg2, arg3); |
| 8621 |
if (arg4 != 0) |
| 8622 |
put_user_u32(prio, arg4); |
| 8623 |
} |
| 8624 |
break;
|
| 8625 |
|
| 8626 |
/* Not implemented for now... */
|
| 8627 |
/* case TARGET_NR_mq_notify: */
|
| 8628 |
/* break; */
|
| 8629 |
|
| 8630 |
case TARGET_NR_mq_getsetattr:
|
| 8631 |
{
|
| 8632 |
struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
|
| 8633 |
ret = 0;
|
| 8634 |
if (arg3 != 0) { |
| 8635 |
ret = mq_getattr(arg1, &posix_mq_attr_out); |
| 8636 |
copy_to_user_mq_attr(arg3, &posix_mq_attr_out); |
| 8637 |
} |
| 8638 |
if (arg2 != 0) { |
| 8639 |
copy_from_user_mq_attr(&posix_mq_attr_in, arg2); |
| 8640 |
ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out); |
| 8641 |
} |
| 8642 |
|
| 8643 |
} |
| 8644 |
break;
|
| 8645 |
#endif
|
| 8646 |
|
| 8647 |
#ifdef CONFIG_SPLICE
|
| 8648 |
#ifdef TARGET_NR_tee
|
| 8649 |
case TARGET_NR_tee:
|
| 8650 |
{
|
| 8651 |
ret = get_errno(tee(arg1,arg2,arg3,arg4)); |
| 8652 |
} |
| 8653 |
break;
|
| 8654 |
#endif
|
| 8655 |
#ifdef TARGET_NR_splice
|
| 8656 |
case TARGET_NR_splice:
|
| 8657 |
{
|
| 8658 |
loff_t loff_in, loff_out; |
| 8659 |
loff_t *ploff_in = NULL, *ploff_out = NULL; |
| 8660 |
if(arg2) {
|
| 8661 |
get_user_u64(loff_in, arg2); |
| 8662 |
ploff_in = &loff_in; |
| 8663 |
} |
| 8664 |
if(arg4) {
|
| 8665 |
get_user_u64(loff_out, arg2); |
| 8666 |
ploff_out = &loff_out; |
| 8667 |
} |
| 8668 |
ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); |
| 8669 |
} |
| 8670 |
break;
|
| 8671 |
#endif
|
| 8672 |
#ifdef TARGET_NR_vmsplice
|
| 8673 |
case TARGET_NR_vmsplice:
|
| 8674 |
{
|
| 8675 |
struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
| 8676 |
if (vec != NULL) { |
| 8677 |
ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); |
| 8678 |
unlock_iovec(vec, arg2, arg3, 0);
|
| 8679 |
} else {
|
| 8680 |
ret = -host_to_target_errno(errno); |
| 8681 |
} |
| 8682 |
} |
| 8683 |
break;
|
| 8684 |
#endif
|
| 8685 |
#endif /* CONFIG_SPLICE */ |
| 8686 |
#ifdef CONFIG_EVENTFD
|
| 8687 |
#if defined(TARGET_NR_eventfd)
|
| 8688 |
case TARGET_NR_eventfd:
|
| 8689 |
ret = get_errno(eventfd(arg1, 0));
|
| 8690 |
break;
|
| 8691 |
#endif
|
| 8692 |
#if defined(TARGET_NR_eventfd2)
|
| 8693 |
case TARGET_NR_eventfd2:
|
| 8694 |
ret = get_errno(eventfd(arg1, arg2)); |
| 8695 |
break;
|
| 8696 |
#endif
|
| 8697 |
#endif /* CONFIG_EVENTFD */ |
| 8698 |
#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
|
| 8699 |
case TARGET_NR_fallocate:
|
| 8700 |
#if TARGET_ABI_BITS == 32 |
| 8701 |
ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), |
| 8702 |
target_offset64(arg5, arg6))); |
| 8703 |
#else
|
| 8704 |
ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
| 8705 |
#endif
|
| 8706 |
break;
|
| 8707 |
#endif
|
| 8708 |
#if defined(CONFIG_SYNC_FILE_RANGE)
|
| 8709 |
#if defined(TARGET_NR_sync_file_range)
|
| 8710 |
case TARGET_NR_sync_file_range:
|
| 8711 |
#if TARGET_ABI_BITS == 32 |
| 8712 |
#if defined(TARGET_MIPS)
|
| 8713 |
ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), |
| 8714 |
target_offset64(arg5, arg6), arg7)); |
| 8715 |
#else
|
| 8716 |
ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
| 8717 |
target_offset64(arg4, arg5), arg6)); |
| 8718 |
#endif /* !TARGET_MIPS */ |
| 8719 |
#else
|
| 8720 |
ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); |
| 8721 |
#endif
|
| 8722 |
break;
|
| 8723 |
#endif
|
| 8724 |
#if defined(TARGET_NR_sync_file_range2)
|
| 8725 |
case TARGET_NR_sync_file_range2:
|
| 8726 |
/* This is like sync_file_range but the arguments are reordered */
|
| 8727 |
#if TARGET_ABI_BITS == 32 |
| 8728 |
ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), |
| 8729 |
target_offset64(arg5, arg6), arg2)); |
| 8730 |
#else
|
| 8731 |
ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); |
| 8732 |
#endif
|
| 8733 |
break;
|
| 8734 |
#endif
|
| 8735 |
#endif
|
| 8736 |
#if defined(CONFIG_EPOLL)
|
| 8737 |
#if defined(TARGET_NR_epoll_create)
|
| 8738 |
case TARGET_NR_epoll_create:
|
| 8739 |
ret = get_errno(epoll_create(arg1)); |
| 8740 |
break;
|
| 8741 |
#endif
|
| 8742 |
#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
|
| 8743 |
case TARGET_NR_epoll_create1:
|
| 8744 |
ret = get_errno(epoll_create1(arg1)); |
| 8745 |
break;
|
| 8746 |
#endif
|
| 8747 |
#if defined(TARGET_NR_epoll_ctl)
|
| 8748 |
case TARGET_NR_epoll_ctl:
|
| 8749 |
{
|
| 8750 |
struct epoll_event ep;
|
| 8751 |
struct epoll_event *epp = 0; |
| 8752 |
if (arg4) {
|
| 8753 |
struct target_epoll_event *target_ep;
|
| 8754 |
if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { |
| 8755 |
goto efault;
|
| 8756 |
} |
| 8757 |
ep.events = tswap32(target_ep->events); |
| 8758 |
/* The epoll_data_t union is just opaque data to the kernel,
|
| 8759 |
* so we transfer all 64 bits across and need not worry what
|
| 8760 |
* actual data type it is.
|
| 8761 |
*/
|
| 8762 |
ep.data.u64 = tswap64(target_ep->data.u64); |
| 8763 |
unlock_user_struct(target_ep, arg4, 0);
|
| 8764 |
epp = &ep; |
| 8765 |
} |
| 8766 |
ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp)); |
| 8767 |
break;
|
| 8768 |
} |
| 8769 |
#endif
|
| 8770 |
|
| 8771 |
#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
|
| 8772 |
#define IMPLEMENT_EPOLL_PWAIT
|
| 8773 |
#endif
|
| 8774 |
#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
|
| 8775 |
#if defined(TARGET_NR_epoll_wait)
|
| 8776 |
case TARGET_NR_epoll_wait:
|
| 8777 |
#endif
|
| 8778 |
#if defined(IMPLEMENT_EPOLL_PWAIT)
|
| 8779 |
case TARGET_NR_epoll_pwait:
|
| 8780 |
#endif
|
| 8781 |
{
|
| 8782 |
struct target_epoll_event *target_ep;
|
| 8783 |
struct epoll_event *ep;
|
| 8784 |
int epfd = arg1;
|
| 8785 |
int maxevents = arg3;
|
| 8786 |
int timeout = arg4;
|
| 8787 |
|
| 8788 |
target_ep = lock_user(VERIFY_WRITE, arg2, |
| 8789 |
maxevents * sizeof(struct target_epoll_event), 1); |
| 8790 |
if (!target_ep) {
|
| 8791 |
goto efault;
|
| 8792 |
} |
| 8793 |
|
| 8794 |
ep = alloca(maxevents * sizeof(struct epoll_event)); |
| 8795 |
|
| 8796 |
switch (num) {
|
| 8797 |
#if defined(IMPLEMENT_EPOLL_PWAIT)
|
| 8798 |
case TARGET_NR_epoll_pwait:
|
| 8799 |
{
|
| 8800 |
target_sigset_t *target_set; |
| 8801 |
sigset_t _set, *set = &_set; |
| 8802 |
|
| 8803 |
if (arg5) {
|
| 8804 |
target_set = lock_user(VERIFY_READ, arg5, |
| 8805 |
sizeof(target_sigset_t), 1); |
| 8806 |
if (!target_set) {
|
| 8807 |
unlock_user(target_ep, arg2, 0);
|
| 8808 |
goto efault;
|
| 8809 |
} |
| 8810 |
target_to_host_sigset(set, target_set); |
| 8811 |
unlock_user(target_set, arg5, 0);
|
| 8812 |
} else {
|
| 8813 |
set = NULL;
|
| 8814 |
} |
| 8815 |
|
| 8816 |
ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set)); |
| 8817 |
break;
|
| 8818 |
} |
| 8819 |
#endif
|
| 8820 |
#if defined(TARGET_NR_epoll_wait)
|
| 8821 |
case TARGET_NR_epoll_wait:
|
| 8822 |
ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout)); |
| 8823 |
break;
|
| 8824 |
#endif
|
| 8825 |
default:
|
| 8826 |
ret = -TARGET_ENOSYS; |
| 8827 |
} |
| 8828 |
if (!is_error(ret)) {
|
| 8829 |
int i;
|
| 8830 |
for (i = 0; i < ret; i++) { |
| 8831 |
target_ep[i].events = tswap32(ep[i].events); |
| 8832 |
target_ep[i].data.u64 = tswap64(ep[i].data.u64); |
| 8833 |
} |
| 8834 |
} |
| 8835 |
unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event)); |
| 8836 |
break;
|
| 8837 |
} |
| 8838 |
#endif
|
| 8839 |
#endif
|
| 8840 |
#ifdef TARGET_NR_prlimit64
|
| 8841 |
case TARGET_NR_prlimit64:
|
| 8842 |
{
|
| 8843 |
/* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
|
| 8844 |
struct target_rlimit64 *target_rnew, *target_rold;
|
| 8845 |
struct host_rlimit64 rnew, rold, *rnewp = 0; |
| 8846 |
if (arg3) {
|
| 8847 |
if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { |
| 8848 |
goto efault;
|
| 8849 |
} |
| 8850 |
rnew.rlim_cur = tswap64(target_rnew->rlim_cur); |
| 8851 |
rnew.rlim_max = tswap64(target_rnew->rlim_max); |
| 8852 |
unlock_user_struct(target_rnew, arg3, 0);
|
| 8853 |
rnewp = &rnew; |
| 8854 |
} |
| 8855 |
|
| 8856 |
ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
|
| 8857 |
if (!is_error(ret) && arg4) {
|
| 8858 |
if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { |
| 8859 |
goto efault;
|
| 8860 |
} |
| 8861 |
target_rold->rlim_cur = tswap64(rold.rlim_cur); |
| 8862 |
target_rold->rlim_max = tswap64(rold.rlim_max); |
| 8863 |
unlock_user_struct(target_rold, arg4, 1);
|
| 8864 |
} |
| 8865 |
break;
|
| 8866 |
} |
| 8867 |
#endif
|
| 8868 |
#ifdef TARGET_NR_gethostname
|
| 8869 |
case TARGET_NR_gethostname:
|
| 8870 |
{
|
| 8871 |
char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); |
| 8872 |
if (name) {
|
| 8873 |
ret = get_errno(gethostname(name, arg2)); |
| 8874 |
unlock_user(name, arg1, arg2); |
| 8875 |
} else {
|
| 8876 |
ret = -TARGET_EFAULT; |
| 8877 |
} |
| 8878 |
break;
|
| 8879 |
} |
| 8880 |
#endif
|
| 8881 |
default:
|
| 8882 |
unimplemented:
|
| 8883 |
gemu_log("qemu: Unsupported syscall: %d\n", num);
|
| 8884 |
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
|
| 8885 |
unimplemented_nowarn:
|
| 8886 |
#endif
|
| 8887 |
ret = -TARGET_ENOSYS; |
| 8888 |
break;
|
| 8889 |
} |
| 8890 |
fail:
|
| 8891 |
#ifdef DEBUG
|
| 8892 |
gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); |
| 8893 |
#endif
|
| 8894 |
if(do_strace)
|
| 8895 |
print_syscall_ret(num, ret); |
| 8896 |
return ret;
|
| 8897 |
efault:
|
| 8898 |
ret = -TARGET_EFAULT; |
| 8899 |
goto fail;
|
| 8900 |
} |