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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#include <elf.h> |
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#include <endian.h> |
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#include <errno.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <time.h> |
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#include <limits.h> |
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#include <mqueue.h> |
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#include <sys/types.h> |
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#include <sys/ipc.h> |
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#include <sys/msg.h> |
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#include <sys/wait.h> |
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#include <sys/time.h> |
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#include <sys/stat.h> |
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#include <sys/mount.h> |
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#include <sys/prctl.h> |
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#include <sys/resource.h> |
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#include <sys/mman.h> |
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#include <sys/swap.h> |
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#include <signal.h> |
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#include <sched.h> |
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#include <sys/socket.h> |
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#include <sys/un.h> |
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#include <sys/uio.h> |
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#include <sys/poll.h> |
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#include <sys/times.h> |
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#include <sys/shm.h> |
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#include <sys/sem.h> |
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#include <sys/statfs.h> |
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#include <utime.h> |
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#include <sys/sysinfo.h> |
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#include <sys/utsname.h> |
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//#include <sys/user.h>
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#include <netinet/ip.h> |
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#include <netinet/tcp.h> |
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#include <qemu-common.h> |
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#ifdef HAVE_GPROF
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#include <sys/gmon.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_loop.h" |
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#include "qemu.h" |
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#include "qemu-common.h" |
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#if defined(USE_NPTL)
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#include <linux/futex.h> |
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#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
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CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID) |
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#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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#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
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|| defined(TARGET_M68K) || defined(TARGET_SH4) || defined(TARGET_CRIS) |
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/* 16 bit uid wrappers emulation */
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#define USE_UID16
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#endif
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//#include <linux/msdos_fs.h>
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#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
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#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) |
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#undef _syscall0
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#undef _syscall1
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#undef _syscall2
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#undef _syscall3
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#undef _syscall4
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#undef _syscall5
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#undef _syscall6
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#define _syscall0(type,name) \
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static type name (void) \ |
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{ \
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return syscall(__NR_##name); \ |
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} |
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#define _syscall1(type,name,type1,arg1) \
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static type name (type1 arg1) \
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{ \
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return syscall(__NR_##name, arg1); \ |
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} |
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#define _syscall2(type,name,type1,arg1,type2,arg2) \
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static type name (type1 arg1,type2 arg2) \
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{ \
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return syscall(__NR_##name, arg1, arg2); \ |
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} |
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#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
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static type name (type1 arg1,type2 arg2,type3 arg3) \
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3); \ |
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} |
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#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
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static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ |
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} |
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5) \ |
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static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ |
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} |
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#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5,type6,arg6) \ |
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static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
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type6 arg6) \ |
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{ \
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return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ |
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} |
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#define __NR_sys_uname __NR_uname
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#define __NR_sys_faccessat __NR_faccessat
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#define __NR_sys_fchmodat __NR_fchmodat
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#define __NR_sys_fchownat __NR_fchownat
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#define __NR_sys_fstatat64 __NR_fstatat64
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#define __NR_sys_futimesat __NR_futimesat
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#define __NR_sys_getcwd1 __NR_getcwd
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#define __NR_sys_getdents __NR_getdents
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#define __NR_sys_getdents64 __NR_getdents64
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#define __NR_sys_getpriority __NR_getpriority
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#define __NR_sys_linkat __NR_linkat
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#define __NR_sys_mkdirat __NR_mkdirat
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#define __NR_sys_mknodat __NR_mknodat
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#define __NR_sys_newfstatat __NR_newfstatat
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#define __NR_sys_openat __NR_openat
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#define __NR_sys_readlinkat __NR_readlinkat
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#define __NR_sys_renameat __NR_renameat
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#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
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#define __NR_sys_symlinkat __NR_symlinkat
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#define __NR_sys_syslog __NR_syslog
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#define __NR_sys_tgkill __NR_tgkill
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#define __NR_sys_tkill __NR_tkill
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#define __NR_sys_unlinkat __NR_unlinkat
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#define __NR_sys_utimensat __NR_utimensat
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#define __NR_sys_futex __NR_futex
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#define __NR_sys_inotify_init __NR_inotify_init
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#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
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#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
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#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
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#define __NR__llseek __NR_lseek
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#endif
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#ifdef __NR_gettid
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_syscall0(int, gettid)
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#else
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/* This is a replacement for the host gettid() and must return a host
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errno. */
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static int gettid(void) { |
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return -ENOSYS;
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} |
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#endif
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#if TARGET_ABI_BITS == 32 |
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_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
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#endif
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#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
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_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
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#endif
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_syscall2(int, sys_getpriority, int, which, int, who); |
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#if !defined (__x86_64__)
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_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
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loff_t *, res, uint, wh); |
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#endif
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_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) |
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_syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
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#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
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_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) |
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#endif
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#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
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_syscall2(int,sys_tkill,int,tid,int,sig) |
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#endif
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#ifdef __NR_exit_group
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_syscall1(int,exit_group,int,error_code) |
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#endif
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#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
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_syscall1(int,set_tid_address,int *,tidptr) |
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#endif
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#if defined(USE_NPTL)
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#if defined(TARGET_NR_futex) && defined(__NR_futex)
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_syscall6(int,sys_futex,int *,uaddr,int,op,int,val, |
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const struct timespec *,timeout,int *,uaddr2,int,val3) |
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#endif
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#endif
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static bitmask_transtbl fcntl_flags_tbl[] = {
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{ TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
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{ TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
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{ TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
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{ TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
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{ TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
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{ TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
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{ TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
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{ TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
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{ TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
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{ TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
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{ TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
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{ TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
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{ TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
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#if defined(O_DIRECT)
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{ TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
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#endif
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{ 0, 0, 0, 0 }
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}; |
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#define COPY_UTSNAME_FIELD(dest, src) \
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do { \
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/* __NEW_UTS_LEN doesn't include terminating null */ \
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(void) strncpy((dest), (src), __NEW_UTS_LEN); \
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(dest)[__NEW_UTS_LEN] = '\0'; \
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} while (0) |
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static int sys_uname(struct new_utsname *buf) |
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{
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struct utsname uts_buf;
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if (uname(&uts_buf) < 0) |
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return (-1); |
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/*
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* Just in case these have some differences, we
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* translate utsname to new_utsname (which is the
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* struct linux kernel uses).
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*/
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bzero(buf, sizeof (*buf));
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COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname); |
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COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename); |
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COPY_UTSNAME_FIELD(buf->release, uts_buf.release); |
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COPY_UTSNAME_FIELD(buf->version, uts_buf.version); |
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COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine); |
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#ifdef _GNU_SOURCE
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COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname); |
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#endif
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return (0); |
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#undef COPY_UTSNAME_FIELD
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} |
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static int sys_getcwd1(char *buf, size_t size) |
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{
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if (getcwd(buf, size) == NULL) { |
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/* getcwd() sets errno */
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return (-1); |
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} |
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return (0); |
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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, int flags) |
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{
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return (faccessat(dirfd, pathname, mode, flags));
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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, int flags) |
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{
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return (fchmodat(dirfd, pathname, mode, flags));
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} |
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#endif
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#ifdef 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, ...) |
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{
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/*
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* open(2) has extra parameter 'mode' when called with
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* flag O_CREAT.
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*/
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if ((flags & O_CREAT) != 0) { |
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va_list ap; |
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mode_t mode; |
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/*
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* Get the 'mode' parameter and translate it to
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* host bits.
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*/
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va_start(ap, flags); |
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mode = va_arg(ap, mode_t); |
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mode = target_to_host_bitmask(mode, fcntl_flags_tbl); |
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va_end(ap); |
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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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{
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return (readlinkat(dirfd, pathname, buf, bufsiz));
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} |
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#endif
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#ifdef TARGET_NR_renameat
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static int sys_renameat(int olddirfd, const char *oldpath, |
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int newdirfd, const char *newpath) |
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{
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return (renameat(olddirfd, oldpath, newdirfd, newpath));
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} |
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#endif
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#ifdef TARGET_NR_symlinkat
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static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath) |
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{
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return (symlinkat(oldpath, newdirfd, newpath));
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} |
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#endif
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#ifdef TARGET_NR_unlinkat
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static int sys_unlinkat(int dirfd, const char *pathname, int flags) |
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{
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return (unlinkat(dirfd, pathname, flags));
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} |
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#endif
|
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#ifdef TARGET_NR_utimensat
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static int sys_utimensat(int dirfd, const char *pathname, |
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const struct timespec times[2], int flags) |
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{
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return (utimensat(dirfd, pathname, times, flags));
|
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} |
| 421 |
#endif
|
| 422 |
#else /* !CONFIG_ATFILE */ |
| 423 |
|
| 424 |
/*
|
| 425 |
* Try direct syscalls instead
|
| 426 |
*/
|
| 427 |
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
|
| 428 |
_syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags) |
| 429 |
#endif
|
| 430 |
#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
|
| 431 |
_syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname, |
| 432 |
mode_t,mode,int,flags)
|
| 433 |
#endif
|
| 434 |
#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
|
| 435 |
_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname, |
| 436 |
uid_t,owner,gid_t,group,int,flags)
|
| 437 |
#endif
|
| 438 |
#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
|
| 439 |
defined(__NR_fstatat64) |
| 440 |
_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname, |
| 441 |
struct stat *,buf,int,flags) |
| 442 |
#endif
|
| 443 |
#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
|
| 444 |
_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname, |
| 445 |
const struct timeval *,times) |
| 446 |
#endif
|
| 447 |
#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
|
| 448 |
defined(__NR_newfstatat) |
| 449 |
_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname, |
| 450 |
struct stat *,buf,int,flags) |
| 451 |
#endif
|
| 452 |
#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
|
| 453 |
_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath, |
| 454 |
int,newdirfd,const char *,newpath,int,flags) |
| 455 |
#endif
|
| 456 |
#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
|
| 457 |
_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) |
| 458 |
#endif
|
| 459 |
#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
|
| 460 |
_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, |
| 461 |
mode_t,mode,dev_t,dev) |
| 462 |
#endif
|
| 463 |
#if defined(TARGET_NR_openat) && defined(__NR_openat)
|
| 464 |
_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) |
| 465 |
#endif
|
| 466 |
#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
|
| 467 |
_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname, |
| 468 |
char *,buf,size_t,bufsize)
|
| 469 |
#endif
|
| 470 |
#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
|
| 471 |
_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, |
| 472 |
int,newdirfd,const char *,newpath) |
| 473 |
#endif
|
| 474 |
#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
|
| 475 |
_syscall3(int,sys_symlinkat,const char *,oldpath, |
| 476 |
int,newdirfd,const char *,newpath) |
| 477 |
#endif
|
| 478 |
#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
|
| 479 |
_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) |
| 480 |
#endif
|
| 481 |
#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
|
| 482 |
_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
| 483 |
const struct timespec *,tsp,int,flags) |
| 484 |
#endif
|
| 485 |
|
| 486 |
#endif /* CONFIG_ATFILE */ |
| 487 |
|
| 488 |
#ifdef CONFIG_INOTIFY
|
| 489 |
|
| 490 |
#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
|
| 491 |
static int sys_inotify_init(void) |
| 492 |
{
|
| 493 |
return (inotify_init());
|
| 494 |
} |
| 495 |
#endif
|
| 496 |
#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
|
| 497 |
static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
| 498 |
{
|
| 499 |
return (inotify_add_watch(fd, pathname, mask));
|
| 500 |
} |
| 501 |
#endif
|
| 502 |
#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
|
| 503 |
static int sys_inotify_rm_watch(int fd, int32_t wd) |
| 504 |
{
|
| 505 |
return (inotify_rm_watch(fd,pathname, wd));
|
| 506 |
} |
| 507 |
#endif
|
| 508 |
#else
|
| 509 |
/* Userspace can usually survive runtime without inotify */
|
| 510 |
#undef TARGET_NR_inotify_init
|
| 511 |
#undef TARGET_NR_inotify_add_watch
|
| 512 |
#undef TARGET_NR_inotify_rm_watch
|
| 513 |
#endif /* CONFIG_INOTIFY */ |
| 514 |
|
| 515 |
|
| 516 |
extern int personality(int); |
| 517 |
extern int flock(int, int); |
| 518 |
extern int setfsuid(int); |
| 519 |
extern int setfsgid(int); |
| 520 |
extern int setgroups(int, gid_t *); |
| 521 |
|
| 522 |
#define ERRNO_TABLE_SIZE 1200 |
| 523 |
|
| 524 |
/* target_to_host_errno_table[] is initialized from
|
| 525 |
* host_to_target_errno_table[] in syscall_init(). */
|
| 526 |
static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
|
| 527 |
}; |
| 528 |
|
| 529 |
/*
|
| 530 |
* This list is the union of errno values overridden in asm-<arch>/errno.h
|
| 531 |
* minus the errnos that are not actually generic to all archs.
|
| 532 |
*/
|
| 533 |
static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
|
| 534 |
[EIDRM] = TARGET_EIDRM, |
| 535 |
[ECHRNG] = TARGET_ECHRNG, |
| 536 |
[EL2NSYNC] = TARGET_EL2NSYNC, |
| 537 |
[EL3HLT] = TARGET_EL3HLT, |
| 538 |
[EL3RST] = TARGET_EL3RST, |
| 539 |
[ELNRNG] = TARGET_ELNRNG, |
| 540 |
[EUNATCH] = TARGET_EUNATCH, |
| 541 |
[ENOCSI] = TARGET_ENOCSI, |
| 542 |
[EL2HLT] = TARGET_EL2HLT, |
| 543 |
[EDEADLK] = TARGET_EDEADLK, |
| 544 |
[ENOLCK] = TARGET_ENOLCK, |
| 545 |
[EBADE] = TARGET_EBADE, |
| 546 |
[EBADR] = TARGET_EBADR, |
| 547 |
[EXFULL] = TARGET_EXFULL, |
| 548 |
[ENOANO] = TARGET_ENOANO, |
| 549 |
[EBADRQC] = TARGET_EBADRQC, |
| 550 |
[EBADSLT] = TARGET_EBADSLT, |
| 551 |
[EBFONT] = TARGET_EBFONT, |
| 552 |
[ENOSTR] = TARGET_ENOSTR, |
| 553 |
[ENODATA] = TARGET_ENODATA, |
| 554 |
[ETIME] = TARGET_ETIME, |
| 555 |
[ENOSR] = TARGET_ENOSR, |
| 556 |
[ENONET] = TARGET_ENONET, |
| 557 |
[ENOPKG] = TARGET_ENOPKG, |
| 558 |
[EREMOTE] = TARGET_EREMOTE, |
| 559 |
[ENOLINK] = TARGET_ENOLINK, |
| 560 |
[EADV] = TARGET_EADV, |
| 561 |
[ESRMNT] = TARGET_ESRMNT, |
| 562 |
[ECOMM] = TARGET_ECOMM, |
| 563 |
[EPROTO] = TARGET_EPROTO, |
| 564 |
[EDOTDOT] = TARGET_EDOTDOT, |
| 565 |
[EMULTIHOP] = TARGET_EMULTIHOP, |
| 566 |
[EBADMSG] = TARGET_EBADMSG, |
| 567 |
[ENAMETOOLONG] = TARGET_ENAMETOOLONG, |
| 568 |
[EOVERFLOW] = TARGET_EOVERFLOW, |
| 569 |
[ENOTUNIQ] = TARGET_ENOTUNIQ, |
| 570 |
[EBADFD] = TARGET_EBADFD, |
| 571 |
[EREMCHG] = TARGET_EREMCHG, |
| 572 |
[ELIBACC] = TARGET_ELIBACC, |
| 573 |
[ELIBBAD] = TARGET_ELIBBAD, |
| 574 |
[ELIBSCN] = TARGET_ELIBSCN, |
| 575 |
[ELIBMAX] = TARGET_ELIBMAX, |
| 576 |
[ELIBEXEC] = TARGET_ELIBEXEC, |
| 577 |
[EILSEQ] = TARGET_EILSEQ, |
| 578 |
[ENOSYS] = TARGET_ENOSYS, |
| 579 |
[ELOOP] = TARGET_ELOOP, |
| 580 |
[ERESTART] = TARGET_ERESTART, |
| 581 |
[ESTRPIPE] = TARGET_ESTRPIPE, |
| 582 |
[ENOTEMPTY] = TARGET_ENOTEMPTY, |
| 583 |
[EUSERS] = TARGET_EUSERS, |
| 584 |
[ENOTSOCK] = TARGET_ENOTSOCK, |
| 585 |
[EDESTADDRREQ] = TARGET_EDESTADDRREQ, |
| 586 |
[EMSGSIZE] = TARGET_EMSGSIZE, |
| 587 |
[EPROTOTYPE] = TARGET_EPROTOTYPE, |
| 588 |
[ENOPROTOOPT] = TARGET_ENOPROTOOPT, |
| 589 |
[EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, |
| 590 |
[ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, |
| 591 |
[EOPNOTSUPP] = TARGET_EOPNOTSUPP, |
| 592 |
[EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, |
| 593 |
[EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, |
| 594 |
[EADDRINUSE] = TARGET_EADDRINUSE, |
| 595 |
[EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, |
| 596 |
[ENETDOWN] = TARGET_ENETDOWN, |
| 597 |
[ENETUNREACH] = TARGET_ENETUNREACH, |
| 598 |
[ENETRESET] = TARGET_ENETRESET, |
| 599 |
[ECONNABORTED] = TARGET_ECONNABORTED, |
| 600 |
[ECONNRESET] = TARGET_ECONNRESET, |
| 601 |
[ENOBUFS] = TARGET_ENOBUFS, |
| 602 |
[EISCONN] = TARGET_EISCONN, |
| 603 |
[ENOTCONN] = TARGET_ENOTCONN, |
| 604 |
[EUCLEAN] = TARGET_EUCLEAN, |
| 605 |
[ENOTNAM] = TARGET_ENOTNAM, |
| 606 |
[ENAVAIL] = TARGET_ENAVAIL, |
| 607 |
[EISNAM] = TARGET_EISNAM, |
| 608 |
[EREMOTEIO] = TARGET_EREMOTEIO, |
| 609 |
[ESHUTDOWN] = TARGET_ESHUTDOWN, |
| 610 |
[ETOOMANYREFS] = TARGET_ETOOMANYREFS, |
| 611 |
[ETIMEDOUT] = TARGET_ETIMEDOUT, |
| 612 |
[ECONNREFUSED] = TARGET_ECONNREFUSED, |
| 613 |
[EHOSTDOWN] = TARGET_EHOSTDOWN, |
| 614 |
[EHOSTUNREACH] = TARGET_EHOSTUNREACH, |
| 615 |
[EALREADY] = TARGET_EALREADY, |
| 616 |
[EINPROGRESS] = TARGET_EINPROGRESS, |
| 617 |
[ESTALE] = TARGET_ESTALE, |
| 618 |
[ECANCELED] = TARGET_ECANCELED, |
| 619 |
[ENOMEDIUM] = TARGET_ENOMEDIUM, |
| 620 |
[EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, |
| 621 |
#ifdef ENOKEY
|
| 622 |
[ENOKEY] = TARGET_ENOKEY, |
| 623 |
#endif
|
| 624 |
#ifdef EKEYEXPIRED
|
| 625 |
[EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
| 626 |
#endif
|
| 627 |
#ifdef EKEYREVOKED
|
| 628 |
[EKEYREVOKED] = TARGET_EKEYREVOKED, |
| 629 |
#endif
|
| 630 |
#ifdef EKEYREJECTED
|
| 631 |
[EKEYREJECTED] = TARGET_EKEYREJECTED, |
| 632 |
#endif
|
| 633 |
#ifdef EOWNERDEAD
|
| 634 |
[EOWNERDEAD] = TARGET_EOWNERDEAD, |
| 635 |
#endif
|
| 636 |
#ifdef ENOTRECOVERABLE
|
| 637 |
[ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
| 638 |
#endif
|
| 639 |
}; |
| 640 |
|
| 641 |
static inline int host_to_target_errno(int err) |
| 642 |
{
|
| 643 |
if(host_to_target_errno_table[err])
|
| 644 |
return host_to_target_errno_table[err];
|
| 645 |
return err;
|
| 646 |
} |
| 647 |
|
| 648 |
static inline int target_to_host_errno(int err) |
| 649 |
{
|
| 650 |
if (target_to_host_errno_table[err])
|
| 651 |
return target_to_host_errno_table[err];
|
| 652 |
return err;
|
| 653 |
} |
| 654 |
|
| 655 |
static inline abi_long get_errno(abi_long ret) |
| 656 |
{
|
| 657 |
if (ret == -1) |
| 658 |
return -host_to_target_errno(errno);
|
| 659 |
else
|
| 660 |
return ret;
|
| 661 |
} |
| 662 |
|
| 663 |
static inline int is_error(abi_long ret) |
| 664 |
{
|
| 665 |
return (abi_ulong)ret >= (abi_ulong)(-4096); |
| 666 |
} |
| 667 |
|
| 668 |
char *target_strerror(int err) |
| 669 |
{
|
| 670 |
return strerror(target_to_host_errno(err));
|
| 671 |
} |
| 672 |
|
| 673 |
static abi_ulong target_brk;
|
| 674 |
static abi_ulong target_original_brk;
|
| 675 |
|
| 676 |
void target_set_brk(abi_ulong new_brk)
|
| 677 |
{
|
| 678 |
target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
| 679 |
} |
| 680 |
|
| 681 |
/* do_brk() must return target values and target errnos. */
|
| 682 |
abi_long do_brk(abi_ulong new_brk) |
| 683 |
{
|
| 684 |
abi_ulong brk_page; |
| 685 |
abi_long mapped_addr; |
| 686 |
int new_alloc_size;
|
| 687 |
|
| 688 |
if (!new_brk)
|
| 689 |
return target_brk;
|
| 690 |
if (new_brk < target_original_brk)
|
| 691 |
return target_brk;
|
| 692 |
|
| 693 |
brk_page = HOST_PAGE_ALIGN(target_brk); |
| 694 |
|
| 695 |
/* If the new brk is less than this, set it and we're done... */
|
| 696 |
if (new_brk < brk_page) {
|
| 697 |
target_brk = new_brk; |
| 698 |
return target_brk;
|
| 699 |
} |
| 700 |
|
| 701 |
/* We need to allocate more memory after the brk... */
|
| 702 |
new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
|
| 703 |
mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
| 704 |
PROT_READ|PROT_WRITE, |
| 705 |
MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0)); |
| 706 |
|
| 707 |
if (!is_error(mapped_addr))
|
| 708 |
target_brk = new_brk; |
| 709 |
|
| 710 |
return target_brk;
|
| 711 |
} |
| 712 |
|
| 713 |
static inline abi_long copy_from_user_fdset(fd_set *fds, |
| 714 |
abi_ulong target_fds_addr, |
| 715 |
int n)
|
| 716 |
{
|
| 717 |
int i, nw, j, k;
|
| 718 |
abi_ulong b, *target_fds; |
| 719 |
|
| 720 |
nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
|
| 721 |
if (!(target_fds = lock_user(VERIFY_READ,
|
| 722 |
target_fds_addr, |
| 723 |
sizeof(abi_ulong) * nw,
|
| 724 |
1)))
|
| 725 |
return -TARGET_EFAULT;
|
| 726 |
|
| 727 |
FD_ZERO(fds); |
| 728 |
k = 0;
|
| 729 |
for (i = 0; i < nw; i++) { |
| 730 |
/* grab the abi_ulong */
|
| 731 |
__get_user(b, &target_fds[i]); |
| 732 |
for (j = 0; j < TARGET_ABI_BITS; j++) { |
| 733 |
/* check the bit inside the abi_ulong */
|
| 734 |
if ((b >> j) & 1) |
| 735 |
FD_SET(k, fds); |
| 736 |
k++; |
| 737 |
} |
| 738 |
} |
| 739 |
|
| 740 |
unlock_user(target_fds, target_fds_addr, 0);
|
| 741 |
|
| 742 |
return 0; |
| 743 |
} |
| 744 |
|
| 745 |
static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
| 746 |
const fd_set *fds,
|
| 747 |
int n)
|
| 748 |
{
|
| 749 |
int i, nw, j, k;
|
| 750 |
abi_long v; |
| 751 |
abi_ulong *target_fds; |
| 752 |
|
| 753 |
nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
|
| 754 |
if (!(target_fds = lock_user(VERIFY_WRITE,
|
| 755 |
target_fds_addr, |
| 756 |
sizeof(abi_ulong) * nw,
|
| 757 |
0)))
|
| 758 |
return -TARGET_EFAULT;
|
| 759 |
|
| 760 |
k = 0;
|
| 761 |
for (i = 0; i < nw; i++) { |
| 762 |
v = 0;
|
| 763 |
for (j = 0; j < TARGET_ABI_BITS; j++) { |
| 764 |
v |= ((FD_ISSET(k, fds) != 0) << j);
|
| 765 |
k++; |
| 766 |
} |
| 767 |
__put_user(v, &target_fds[i]); |
| 768 |
} |
| 769 |
|
| 770 |
unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
|
| 771 |
|
| 772 |
return 0; |
| 773 |
} |
| 774 |
|
| 775 |
#if defined(__alpha__)
|
| 776 |
#define HOST_HZ 1024 |
| 777 |
#else
|
| 778 |
#define HOST_HZ 100 |
| 779 |
#endif
|
| 780 |
|
| 781 |
static inline abi_long host_to_target_clock_t(long ticks) |
| 782 |
{
|
| 783 |
#if HOST_HZ == TARGET_HZ
|
| 784 |
return ticks;
|
| 785 |
#else
|
| 786 |
return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
|
| 787 |
#endif
|
| 788 |
} |
| 789 |
|
| 790 |
static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
| 791 |
const struct rusage *rusage) |
| 792 |
{
|
| 793 |
struct target_rusage *target_rusage;
|
| 794 |
|
| 795 |
if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
| 796 |
return -TARGET_EFAULT;
|
| 797 |
target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec); |
| 798 |
target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec); |
| 799 |
target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec); |
| 800 |
target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec); |
| 801 |
target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss); |
| 802 |
target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss); |
| 803 |
target_rusage->ru_idrss = tswapl(rusage->ru_idrss); |
| 804 |
target_rusage->ru_isrss = tswapl(rusage->ru_isrss); |
| 805 |
target_rusage->ru_minflt = tswapl(rusage->ru_minflt); |
| 806 |
target_rusage->ru_majflt = tswapl(rusage->ru_majflt); |
| 807 |
target_rusage->ru_nswap = tswapl(rusage->ru_nswap); |
| 808 |
target_rusage->ru_inblock = tswapl(rusage->ru_inblock); |
| 809 |
target_rusage->ru_oublock = tswapl(rusage->ru_oublock); |
| 810 |
target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd); |
| 811 |
target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv); |
| 812 |
target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals); |
| 813 |
target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw); |
| 814 |
target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw); |
| 815 |
unlock_user_struct(target_rusage, target_addr, 1);
|
| 816 |
|
| 817 |
return 0; |
| 818 |
} |
| 819 |
|
| 820 |
static inline abi_long copy_from_user_timeval(struct timeval *tv, |
| 821 |
abi_ulong target_tv_addr) |
| 822 |
{
|
| 823 |
struct target_timeval *target_tv;
|
| 824 |
|
| 825 |
if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
| 826 |
return -TARGET_EFAULT;
|
| 827 |
|
| 828 |
__get_user(tv->tv_sec, &target_tv->tv_sec); |
| 829 |
__get_user(tv->tv_usec, &target_tv->tv_usec); |
| 830 |
|
| 831 |
unlock_user_struct(target_tv, target_tv_addr, 0);
|
| 832 |
|
| 833 |
return 0; |
| 834 |
} |
| 835 |
|
| 836 |
static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
| 837 |
const struct timeval *tv) |
| 838 |
{
|
| 839 |
struct target_timeval *target_tv;
|
| 840 |
|
| 841 |
if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
| 842 |
return -TARGET_EFAULT;
|
| 843 |
|
| 844 |
__put_user(tv->tv_sec, &target_tv->tv_sec); |
| 845 |
__put_user(tv->tv_usec, &target_tv->tv_usec); |
| 846 |
|
| 847 |
unlock_user_struct(target_tv, target_tv_addr, 1);
|
| 848 |
|
| 849 |
return 0; |
| 850 |
} |
| 851 |
|
| 852 |
static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
| 853 |
abi_ulong target_mq_attr_addr) |
| 854 |
{
|
| 855 |
struct target_mq_attr *target_mq_attr;
|
| 856 |
|
| 857 |
if (!lock_user_struct(VERIFY_READ, target_mq_attr,
|
| 858 |
target_mq_attr_addr, 1))
|
| 859 |
return -TARGET_EFAULT;
|
| 860 |
|
| 861 |
__get_user(attr->mq_flags, &target_mq_attr->mq_flags); |
| 862 |
__get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); |
| 863 |
__get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); |
| 864 |
__get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); |
| 865 |
|
| 866 |
unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
|
| 867 |
|
| 868 |
return 0; |
| 869 |
} |
| 870 |
|
| 871 |
static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, |
| 872 |
const struct mq_attr *attr) |
| 873 |
{
|
| 874 |
struct target_mq_attr *target_mq_attr;
|
| 875 |
|
| 876 |
if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
|
| 877 |
target_mq_attr_addr, 0))
|
| 878 |
return -TARGET_EFAULT;
|
| 879 |
|
| 880 |
__put_user(attr->mq_flags, &target_mq_attr->mq_flags); |
| 881 |
__put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); |
| 882 |
__put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); |
| 883 |
__put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); |
| 884 |
|
| 885 |
unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
|
| 886 |
|
| 887 |
return 0; |
| 888 |
} |
| 889 |
|
| 890 |
/* do_select() must return target values and target errnos. */
|
| 891 |
static abi_long do_select(int n, |
| 892 |
abi_ulong rfd_addr, abi_ulong wfd_addr, |
| 893 |
abi_ulong efd_addr, abi_ulong target_tv_addr) |
| 894 |
{
|
| 895 |
fd_set rfds, wfds, efds; |
| 896 |
fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; |
| 897 |
struct timeval tv, *tv_ptr;
|
| 898 |
abi_long ret; |
| 899 |
|
| 900 |
if (rfd_addr) {
|
| 901 |
if (copy_from_user_fdset(&rfds, rfd_addr, n))
|
| 902 |
return -TARGET_EFAULT;
|
| 903 |
rfds_ptr = &rfds; |
| 904 |
} else {
|
| 905 |
rfds_ptr = NULL;
|
| 906 |
} |
| 907 |
if (wfd_addr) {
|
| 908 |
if (copy_from_user_fdset(&wfds, wfd_addr, n))
|
| 909 |
return -TARGET_EFAULT;
|
| 910 |
wfds_ptr = &wfds; |
| 911 |
} else {
|
| 912 |
wfds_ptr = NULL;
|
| 913 |
} |
| 914 |
if (efd_addr) {
|
| 915 |
if (copy_from_user_fdset(&efds, efd_addr, n))
|
| 916 |
return -TARGET_EFAULT;
|
| 917 |
efds_ptr = &efds; |
| 918 |
} else {
|
| 919 |
efds_ptr = NULL;
|
| 920 |
} |
| 921 |
|
| 922 |
if (target_tv_addr) {
|
| 923 |
if (copy_from_user_timeval(&tv, target_tv_addr))
|
| 924 |
return -TARGET_EFAULT;
|
| 925 |
tv_ptr = &tv; |
| 926 |
} else {
|
| 927 |
tv_ptr = NULL;
|
| 928 |
} |
| 929 |
|
| 930 |
ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
| 931 |
|
| 932 |
if (!is_error(ret)) {
|
| 933 |
if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
|
| 934 |
return -TARGET_EFAULT;
|
| 935 |
if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
|
| 936 |
return -TARGET_EFAULT;
|
| 937 |
if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
|
| 938 |
return -TARGET_EFAULT;
|
| 939 |
|
| 940 |
if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
|
| 941 |
return -TARGET_EFAULT;
|
| 942 |
} |
| 943 |
|
| 944 |
return ret;
|
| 945 |
} |
| 946 |
|
| 947 |
static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, |
| 948 |
abi_ulong target_addr, |
| 949 |
socklen_t len) |
| 950 |
{
|
| 951 |
const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
| 952 |
sa_family_t sa_family; |
| 953 |
struct target_sockaddr *target_saddr;
|
| 954 |
|
| 955 |
target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
|
| 956 |
if (!target_saddr)
|
| 957 |
return -TARGET_EFAULT;
|
| 958 |
|
| 959 |
sa_family = tswap16(target_saddr->sa_family); |
| 960 |
|
| 961 |
/* Oops. The caller might send a incomplete sun_path; sun_path
|
| 962 |
* must be terminated by \0 (see the manual page), but
|
| 963 |
* unfortunately it is quite common to specify sockaddr_un
|
| 964 |
* length as "strlen(x->sun_path)" while it should be
|
| 965 |
* "strlen(...) + 1". We'll fix that here if needed.
|
| 966 |
* Linux kernel has a similar feature.
|
| 967 |
*/
|
| 968 |
|
| 969 |
if (sa_family == AF_UNIX) {
|
| 970 |
if (len < unix_maxlen && len > 0) { |
| 971 |
char *cp = (char*)target_saddr; |
| 972 |
|
| 973 |
if ( cp[len-1] && !cp[len] ) |
| 974 |
len++; |
| 975 |
} |
| 976 |
if (len > unix_maxlen)
|
| 977 |
len = unix_maxlen; |
| 978 |
} |
| 979 |
|
| 980 |
memcpy(addr, target_saddr, len); |
| 981 |
addr->sa_family = sa_family; |
| 982 |
unlock_user(target_saddr, target_addr, 0);
|
| 983 |
|
| 984 |
return 0; |
| 985 |
} |
| 986 |
|
| 987 |
static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
| 988 |
struct sockaddr *addr,
|
| 989 |
socklen_t len) |
| 990 |
{
|
| 991 |
struct target_sockaddr *target_saddr;
|
| 992 |
|
| 993 |
target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
|
| 994 |
if (!target_saddr)
|
| 995 |
return -TARGET_EFAULT;
|
| 996 |
memcpy(target_saddr, addr, len); |
| 997 |
target_saddr->sa_family = tswap16(addr->sa_family); |
| 998 |
unlock_user(target_saddr, target_addr, len); |
| 999 |
|
| 1000 |
return 0; |
| 1001 |
} |
| 1002 |
|
| 1003 |
/* ??? Should this also swap msgh->name? */
|
| 1004 |
static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
| 1005 |
struct target_msghdr *target_msgh)
|
| 1006 |
{
|
| 1007 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
| 1008 |
abi_long msg_controllen; |
| 1009 |
abi_ulong target_cmsg_addr; |
| 1010 |
struct target_cmsghdr *target_cmsg;
|
| 1011 |
socklen_t space = 0;
|
| 1012 |
|
| 1013 |
msg_controllen = tswapl(target_msgh->msg_controllen); |
| 1014 |
if (msg_controllen < sizeof (struct target_cmsghdr)) |
| 1015 |
goto the_end;
|
| 1016 |
target_cmsg_addr = tswapl(target_msgh->msg_control); |
| 1017 |
target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
|
| 1018 |
if (!target_cmsg)
|
| 1019 |
return -TARGET_EFAULT;
|
| 1020 |
|
| 1021 |
while (cmsg && target_cmsg) {
|
| 1022 |
void *data = CMSG_DATA(cmsg);
|
| 1023 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
| 1024 |
|
| 1025 |
int len = tswapl(target_cmsg->cmsg_len)
|
| 1026 |
- TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
| 1027 |
|
| 1028 |
space += CMSG_SPACE(len); |
| 1029 |
if (space > msgh->msg_controllen) {
|
| 1030 |
space -= CMSG_SPACE(len); |
| 1031 |
gemu_log("Host cmsg overflow\n");
|
| 1032 |
break;
|
| 1033 |
} |
| 1034 |
|
| 1035 |
cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); |
| 1036 |
cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
| 1037 |
cmsg->cmsg_len = CMSG_LEN(len); |
| 1038 |
|
| 1039 |
if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
| 1040 |
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
| 1041 |
memcpy(data, target_data, len); |
| 1042 |
} else {
|
| 1043 |
int *fd = (int *)data; |
| 1044 |
int *target_fd = (int *)target_data; |
| 1045 |
int i, numfds = len / sizeof(int); |
| 1046 |
|
| 1047 |
for (i = 0; i < numfds; i++) |
| 1048 |
fd[i] = tswap32(target_fd[i]); |
| 1049 |
} |
| 1050 |
|
| 1051 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
| 1052 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
| 1053 |
} |
| 1054 |
unlock_user(target_cmsg, target_cmsg_addr, 0);
|
| 1055 |
the_end:
|
| 1056 |
msgh->msg_controllen = space; |
| 1057 |
return 0; |
| 1058 |
} |
| 1059 |
|
| 1060 |
/* ??? Should this also swap msgh->name? */
|
| 1061 |
static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
| 1062 |
struct msghdr *msgh)
|
| 1063 |
{
|
| 1064 |
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
|
| 1065 |
abi_long msg_controllen; |
| 1066 |
abi_ulong target_cmsg_addr; |
| 1067 |
struct target_cmsghdr *target_cmsg;
|
| 1068 |
socklen_t space = 0;
|
| 1069 |
|
| 1070 |
msg_controllen = tswapl(target_msgh->msg_controllen); |
| 1071 |
if (msg_controllen < sizeof (struct target_cmsghdr)) |
| 1072 |
goto the_end;
|
| 1073 |
target_cmsg_addr = tswapl(target_msgh->msg_control); |
| 1074 |
target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
|
| 1075 |
if (!target_cmsg)
|
| 1076 |
return -TARGET_EFAULT;
|
| 1077 |
|
| 1078 |
while (cmsg && target_cmsg) {
|
| 1079 |
void *data = CMSG_DATA(cmsg);
|
| 1080 |
void *target_data = TARGET_CMSG_DATA(target_cmsg);
|
| 1081 |
|
| 1082 |
int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); |
| 1083 |
|
| 1084 |
space += TARGET_CMSG_SPACE(len); |
| 1085 |
if (space > msg_controllen) {
|
| 1086 |
space -= TARGET_CMSG_SPACE(len); |
| 1087 |
gemu_log("Target cmsg overflow\n");
|
| 1088 |
break;
|
| 1089 |
} |
| 1090 |
|
| 1091 |
target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); |
| 1092 |
target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
| 1093 |
target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len)); |
| 1094 |
|
| 1095 |
if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
|
| 1096 |
gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
|
| 1097 |
memcpy(target_data, data, len); |
| 1098 |
} else {
|
| 1099 |
int *fd = (int *)data; |
| 1100 |
int *target_fd = (int *)target_data; |
| 1101 |
int i, numfds = len / sizeof(int); |
| 1102 |
|
| 1103 |
for (i = 0; i < numfds; i++) |
| 1104 |
target_fd[i] = tswap32(fd[i]); |
| 1105 |
} |
| 1106 |
|
| 1107 |
cmsg = CMSG_NXTHDR(msgh, cmsg); |
| 1108 |
target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); |
| 1109 |
} |
| 1110 |
unlock_user(target_cmsg, target_cmsg_addr, space); |
| 1111 |
the_end:
|
| 1112 |
target_msgh->msg_controllen = tswapl(space); |
| 1113 |
return 0; |
| 1114 |
} |
| 1115 |
|
| 1116 |
/* do_setsockopt() Must return target values and target errnos. */
|
| 1117 |
static abi_long do_setsockopt(int sockfd, int level, int optname, |
| 1118 |
abi_ulong optval_addr, socklen_t optlen) |
| 1119 |
{
|
| 1120 |
abi_long ret; |
| 1121 |
int val;
|
| 1122 |
|
| 1123 |
switch(level) {
|
| 1124 |
case SOL_TCP:
|
| 1125 |
/* TCP options all take an 'int' value. */
|
| 1126 |
if (optlen < sizeof(uint32_t)) |
| 1127 |
return -TARGET_EINVAL;
|
| 1128 |
|
| 1129 |
if (get_user_u32(val, optval_addr))
|
| 1130 |
return -TARGET_EFAULT;
|
| 1131 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
| 1132 |
break;
|
| 1133 |
case SOL_IP:
|
| 1134 |
switch(optname) {
|
| 1135 |
case IP_TOS:
|
| 1136 |
case IP_TTL:
|
| 1137 |
case IP_HDRINCL:
|
| 1138 |
case IP_ROUTER_ALERT:
|
| 1139 |
case IP_RECVOPTS:
|
| 1140 |
case IP_RETOPTS:
|
| 1141 |
case IP_PKTINFO:
|
| 1142 |
case IP_MTU_DISCOVER:
|
| 1143 |
case IP_RECVERR:
|
| 1144 |
case IP_RECVTOS:
|
| 1145 |
#ifdef IP_FREEBIND
|
| 1146 |
case IP_FREEBIND:
|
| 1147 |
#endif
|
| 1148 |
case IP_MULTICAST_TTL:
|
| 1149 |
case IP_MULTICAST_LOOP:
|
| 1150 |
val = 0;
|
| 1151 |
if (optlen >= sizeof(uint32_t)) { |
| 1152 |
if (get_user_u32(val, optval_addr))
|
| 1153 |
return -TARGET_EFAULT;
|
| 1154 |
} else if (optlen >= 1) { |
| 1155 |
if (get_user_u8(val, optval_addr))
|
| 1156 |
return -TARGET_EFAULT;
|
| 1157 |
} |
| 1158 |
ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
|
| 1159 |
break;
|
| 1160 |
default:
|
| 1161 |
goto unimplemented;
|
| 1162 |
} |
| 1163 |
break;
|
| 1164 |
case TARGET_SOL_SOCKET:
|
| 1165 |
switch (optname) {
|
| 1166 |
/* Options with 'int' argument. */
|
| 1167 |
case TARGET_SO_DEBUG:
|
| 1168 |
optname = SO_DEBUG; |
| 1169 |
break;
|
| 1170 |
case TARGET_SO_REUSEADDR:
|
| 1171 |
optname = SO_REUSEADDR; |
| 1172 |
break;
|
| 1173 |
case TARGET_SO_TYPE:
|
| 1174 |
optname = SO_TYPE; |
| 1175 |
break;
|
| 1176 |
case TARGET_SO_ERROR:
|
| 1177 |
optname = SO_ERROR; |
| 1178 |
break;
|
| 1179 |
case TARGET_SO_DONTROUTE:
|
| 1180 |
optname = SO_DONTROUTE; |
| 1181 |
break;
|
| 1182 |
case TARGET_SO_BROADCAST:
|
| 1183 |
optname = SO_BROADCAST; |
| 1184 |
break;
|
| 1185 |
case TARGET_SO_SNDBUF:
|
| 1186 |
optname = SO_SNDBUF; |
| 1187 |
break;
|
| 1188 |
case TARGET_SO_RCVBUF:
|
| 1189 |
optname = SO_RCVBUF; |
| 1190 |
break;
|
| 1191 |
case TARGET_SO_KEEPALIVE:
|
| 1192 |
optname = SO_KEEPALIVE; |
| 1193 |
break;
|
| 1194 |
case TARGET_SO_OOBINLINE:
|
| 1195 |
optname = SO_OOBINLINE; |
| 1196 |
break;
|
| 1197 |
case TARGET_SO_NO_CHECK:
|
| 1198 |
optname = SO_NO_CHECK; |
| 1199 |
break;
|
| 1200 |
case TARGET_SO_PRIORITY:
|
| 1201 |
optname = SO_PRIORITY; |
| 1202 |
break;
|
| 1203 |
#ifdef SO_BSDCOMPAT
|
| 1204 |
case TARGET_SO_BSDCOMPAT:
|
| 1205 |
optname = SO_BSDCOMPAT; |
| 1206 |
break;
|
| 1207 |
#endif
|
| 1208 |
case TARGET_SO_PASSCRED:
|
| 1209 |
optname = SO_PASSCRED; |
| 1210 |
break;
|
| 1211 |
case TARGET_SO_TIMESTAMP:
|
| 1212 |
optname = SO_TIMESTAMP; |
| 1213 |
break;
|
| 1214 |
case TARGET_SO_RCVLOWAT:
|
| 1215 |
optname = SO_RCVLOWAT; |
| 1216 |
break;
|
| 1217 |
case TARGET_SO_RCVTIMEO:
|
| 1218 |
optname = SO_RCVTIMEO; |
| 1219 |
break;
|
| 1220 |
case TARGET_SO_SNDTIMEO:
|
| 1221 |
optname = SO_SNDTIMEO; |
| 1222 |
break;
|
| 1223 |
break;
|
| 1224 |
default:
|
| 1225 |
goto unimplemented;
|
| 1226 |
} |
| 1227 |
if (optlen < sizeof(uint32_t)) |
| 1228 |
return -TARGET_EINVAL;
|
| 1229 |
|
| 1230 |
if (get_user_u32(val, optval_addr))
|
| 1231 |
return -TARGET_EFAULT;
|
| 1232 |
ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
|
| 1233 |
break;
|
| 1234 |
default:
|
| 1235 |
unimplemented:
|
| 1236 |
gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
|
| 1237 |
ret = -TARGET_ENOPROTOOPT; |
| 1238 |
} |
| 1239 |
return ret;
|
| 1240 |
} |
| 1241 |
|
| 1242 |
/* do_getsockopt() Must return target values and target errnos. */
|
| 1243 |
static abi_long do_getsockopt(int sockfd, int level, int optname, |
| 1244 |
abi_ulong optval_addr, abi_ulong optlen) |
| 1245 |
{
|
| 1246 |
abi_long ret; |
| 1247 |
int len, val;
|
| 1248 |
socklen_t lv; |
| 1249 |
|
| 1250 |
switch(level) {
|
| 1251 |
case TARGET_SOL_SOCKET:
|
| 1252 |
level = SOL_SOCKET; |
| 1253 |
switch (optname) {
|
| 1254 |
case TARGET_SO_LINGER:
|
| 1255 |
case TARGET_SO_RCVTIMEO:
|
| 1256 |
case TARGET_SO_SNDTIMEO:
|
| 1257 |
case TARGET_SO_PEERCRED:
|
| 1258 |
case TARGET_SO_PEERNAME:
|
| 1259 |
/* These don't just return a single integer */
|
| 1260 |
goto unimplemented;
|
| 1261 |
default:
|
| 1262 |
goto int_case;
|
| 1263 |
} |
| 1264 |
break;
|
| 1265 |
case SOL_TCP:
|
| 1266 |
/* TCP options all take an 'int' value. */
|
| 1267 |
int_case:
|
| 1268 |
if (get_user_u32(len, optlen))
|
| 1269 |
return -TARGET_EFAULT;
|
| 1270 |
if (len < 0) |
| 1271 |
return -TARGET_EINVAL;
|
| 1272 |
lv = sizeof(int); |
| 1273 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
| 1274 |
if (ret < 0) |
| 1275 |
return ret;
|
| 1276 |
val = tswap32(val); |
| 1277 |
if (len > lv)
|
| 1278 |
len = lv; |
| 1279 |
if (len == 4) { |
| 1280 |
if (put_user_u32(val, optval_addr))
|
| 1281 |
return -TARGET_EFAULT;
|
| 1282 |
} else {
|
| 1283 |
if (put_user_u8(val, optval_addr))
|
| 1284 |
return -TARGET_EFAULT;
|
| 1285 |
} |
| 1286 |
if (put_user_u32(len, optlen))
|
| 1287 |
return -TARGET_EFAULT;
|
| 1288 |
break;
|
| 1289 |
case SOL_IP:
|
| 1290 |
switch(optname) {
|
| 1291 |
case IP_TOS:
|
| 1292 |
case IP_TTL:
|
| 1293 |
case IP_HDRINCL:
|
| 1294 |
case IP_ROUTER_ALERT:
|
| 1295 |
case IP_RECVOPTS:
|
| 1296 |
case IP_RETOPTS:
|
| 1297 |
case IP_PKTINFO:
|
| 1298 |
case IP_MTU_DISCOVER:
|
| 1299 |
case IP_RECVERR:
|
| 1300 |
case IP_RECVTOS:
|
| 1301 |
#ifdef IP_FREEBIND
|
| 1302 |
case IP_FREEBIND:
|
| 1303 |
#endif
|
| 1304 |
case IP_MULTICAST_TTL:
|
| 1305 |
case IP_MULTICAST_LOOP:
|
| 1306 |
if (get_user_u32(len, optlen))
|
| 1307 |
return -TARGET_EFAULT;
|
| 1308 |
if (len < 0) |
| 1309 |
return -TARGET_EINVAL;
|
| 1310 |
lv = sizeof(int); |
| 1311 |
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
| 1312 |
if (ret < 0) |
| 1313 |
return ret;
|
| 1314 |
if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
| 1315 |
len = 1;
|
| 1316 |
if (put_user_u32(len, optlen)
|
| 1317 |
|| put_user_u8(val, optval_addr)) |
| 1318 |
return -TARGET_EFAULT;
|
| 1319 |
} else {
|
| 1320 |
if (len > sizeof(int)) |
| 1321 |
len = sizeof(int); |
| 1322 |
if (put_user_u32(len, optlen)
|
| 1323 |
|| put_user_u32(val, optval_addr)) |
| 1324 |
return -TARGET_EFAULT;
|
| 1325 |
} |
| 1326 |
break;
|
| 1327 |
default:
|
| 1328 |
ret = -TARGET_ENOPROTOOPT; |
| 1329 |
break;
|
| 1330 |
} |
| 1331 |
break;
|
| 1332 |
default:
|
| 1333 |
unimplemented:
|
| 1334 |
gemu_log("getsockopt level=%d optname=%d not yet supported\n",
|
| 1335 |
level, optname); |
| 1336 |
ret = -TARGET_EOPNOTSUPP; |
| 1337 |
break;
|
| 1338 |
} |
| 1339 |
return ret;
|
| 1340 |
} |
| 1341 |
|
| 1342 |
/* FIXME
|
| 1343 |
* lock_iovec()/unlock_iovec() have a return code of 0 for success where
|
| 1344 |
* other lock functions have a return code of 0 for failure.
|
| 1345 |
*/
|
| 1346 |
static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr, |
| 1347 |
int count, int copy) |
| 1348 |
{
|
| 1349 |
struct target_iovec *target_vec;
|
| 1350 |
abi_ulong base; |
| 1351 |
int i;
|
| 1352 |
|
| 1353 |
target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); |
| 1354 |
if (!target_vec)
|
| 1355 |
return -TARGET_EFAULT;
|
| 1356 |
for(i = 0;i < count; i++) { |
| 1357 |
base = tswapl(target_vec[i].iov_base); |
| 1358 |
vec[i].iov_len = tswapl(target_vec[i].iov_len); |
| 1359 |
if (vec[i].iov_len != 0) { |
| 1360 |
vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy); |
| 1361 |
/* Don't check lock_user return value. We must call writev even
|
| 1362 |
if a element has invalid base address. */
|
| 1363 |
} else {
|
| 1364 |
/* zero length pointer is ignored */
|
| 1365 |
vec[i].iov_base = NULL;
|
| 1366 |
} |
| 1367 |
} |
| 1368 |
unlock_user (target_vec, target_addr, 0);
|
| 1369 |
return 0; |
| 1370 |
} |
| 1371 |
|
| 1372 |
static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
| 1373 |
int count, int copy) |
| 1374 |
{
|
| 1375 |
struct target_iovec *target_vec;
|
| 1376 |
abi_ulong base; |
| 1377 |
int i;
|
| 1378 |
|
| 1379 |
target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1); |
| 1380 |
if (!target_vec)
|
| 1381 |
return -TARGET_EFAULT;
|
| 1382 |
for(i = 0;i < count; i++) { |
| 1383 |
if (target_vec[i].iov_base) {
|
| 1384 |
base = tswapl(target_vec[i].iov_base); |
| 1385 |
unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
|
| 1386 |
} |
| 1387 |
} |
| 1388 |
unlock_user (target_vec, target_addr, 0);
|
| 1389 |
|
| 1390 |
return 0; |
| 1391 |
} |
| 1392 |
|
| 1393 |
/* do_socket() Must return target values and target errnos. */
|
| 1394 |
static abi_long do_socket(int domain, int type, int protocol) |
| 1395 |
{
|
| 1396 |
#if defined(TARGET_MIPS)
|
| 1397 |
switch(type) {
|
| 1398 |
case TARGET_SOCK_DGRAM:
|
| 1399 |
type = SOCK_DGRAM; |
| 1400 |
break;
|
| 1401 |
case TARGET_SOCK_STREAM:
|
| 1402 |
type = SOCK_STREAM; |
| 1403 |
break;
|
| 1404 |
case TARGET_SOCK_RAW:
|
| 1405 |
type = SOCK_RAW; |
| 1406 |
break;
|
| 1407 |
case TARGET_SOCK_RDM:
|
| 1408 |
type = SOCK_RDM; |
| 1409 |
break;
|
| 1410 |
case TARGET_SOCK_SEQPACKET:
|
| 1411 |
type = SOCK_SEQPACKET; |
| 1412 |
break;
|
| 1413 |
case TARGET_SOCK_PACKET:
|
| 1414 |
type = SOCK_PACKET; |
| 1415 |
break;
|
| 1416 |
} |
| 1417 |
#endif
|
| 1418 |
if (domain == PF_NETLINK)
|
| 1419 |
return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */ |
| 1420 |
return get_errno(socket(domain, type, protocol));
|
| 1421 |
} |
| 1422 |
|
| 1423 |
/* do_bind() Must return target values and target errnos. */
|
| 1424 |
static abi_long do_bind(int sockfd, abi_ulong target_addr, |
| 1425 |
socklen_t addrlen) |
| 1426 |
{
|
| 1427 |
void *addr;
|
| 1428 |
|
| 1429 |
if (addrlen < 0) |
| 1430 |
return -TARGET_EINVAL;
|
| 1431 |
|
| 1432 |
addr = alloca(addrlen+1);
|
| 1433 |
|
| 1434 |
target_to_host_sockaddr(addr, target_addr, addrlen); |
| 1435 |
return get_errno(bind(sockfd, addr, addrlen));
|
| 1436 |
} |
| 1437 |
|
| 1438 |
/* do_connect() Must return target values and target errnos. */
|
| 1439 |
static abi_long do_connect(int sockfd, abi_ulong target_addr, |
| 1440 |
socklen_t addrlen) |
| 1441 |
{
|
| 1442 |
void *addr;
|
| 1443 |
|
| 1444 |
if (addrlen < 0) |
| 1445 |
return -TARGET_EINVAL;
|
| 1446 |
|
| 1447 |
addr = alloca(addrlen); |
| 1448 |
|
| 1449 |
target_to_host_sockaddr(addr, target_addr, addrlen); |
| 1450 |
return get_errno(connect(sockfd, addr, addrlen));
|
| 1451 |
} |
| 1452 |
|
| 1453 |
/* do_sendrecvmsg() Must return target values and target errnos. */
|
| 1454 |
static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, |
| 1455 |
int flags, int send) |
| 1456 |
{
|
| 1457 |
abi_long ret, len; |
| 1458 |
struct target_msghdr *msgp;
|
| 1459 |
struct msghdr msg;
|
| 1460 |
int count;
|
| 1461 |
struct iovec *vec;
|
| 1462 |
abi_ulong target_vec; |
| 1463 |
|
| 1464 |
/* FIXME */
|
| 1465 |
if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
|
| 1466 |
msgp, |
| 1467 |
target_msg, |
| 1468 |
send ? 1 : 0)) |
| 1469 |
return -TARGET_EFAULT;
|
| 1470 |
if (msgp->msg_name) {
|
| 1471 |
msg.msg_namelen = tswap32(msgp->msg_namelen); |
| 1472 |
msg.msg_name = alloca(msg.msg_namelen); |
| 1473 |
target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name), |
| 1474 |
msg.msg_namelen); |
| 1475 |
} else {
|
| 1476 |
msg.msg_name = NULL;
|
| 1477 |
msg.msg_namelen = 0;
|
| 1478 |
} |
| 1479 |
msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
|
| 1480 |
msg.msg_control = alloca(msg.msg_controllen); |
| 1481 |
msg.msg_flags = tswap32(msgp->msg_flags); |
| 1482 |
|
| 1483 |
count = tswapl(msgp->msg_iovlen); |
| 1484 |
vec = alloca(count * sizeof(struct iovec)); |
| 1485 |
target_vec = tswapl(msgp->msg_iov); |
| 1486 |
lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send); |
| 1487 |
msg.msg_iovlen = count; |
| 1488 |
msg.msg_iov = vec; |
| 1489 |
|
| 1490 |
if (send) {
|
| 1491 |
ret = target_to_host_cmsg(&msg, msgp); |
| 1492 |
if (ret == 0) |
| 1493 |
ret = get_errno(sendmsg(fd, &msg, flags)); |
| 1494 |
} else {
|
| 1495 |
ret = get_errno(recvmsg(fd, &msg, flags)); |
| 1496 |
if (!is_error(ret)) {
|
| 1497 |
len = ret; |
| 1498 |
ret = host_to_target_cmsg(msgp, &msg); |
| 1499 |
if (!is_error(ret))
|
| 1500 |
ret = len; |
| 1501 |
} |
| 1502 |
} |
| 1503 |
unlock_iovec(vec, target_vec, count, !send); |
| 1504 |
unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
| 1505 |
return ret;
|
| 1506 |
} |
| 1507 |
|
| 1508 |
/* do_accept() Must return target values and target errnos. */
|
| 1509 |
static abi_long do_accept(int fd, abi_ulong target_addr, |
| 1510 |
abi_ulong target_addrlen_addr) |
| 1511 |
{
|
| 1512 |
socklen_t addrlen; |
| 1513 |
void *addr;
|
| 1514 |
abi_long ret; |
| 1515 |
|
| 1516 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
| 1517 |
return -TARGET_EFAULT;
|
| 1518 |
|
| 1519 |
if (addrlen < 0) |
| 1520 |
return -TARGET_EINVAL;
|
| 1521 |
|
| 1522 |
addr = alloca(addrlen); |
| 1523 |
|
| 1524 |
ret = get_errno(accept(fd, addr, &addrlen)); |
| 1525 |
if (!is_error(ret)) {
|
| 1526 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 1527 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
| 1528 |
ret = -TARGET_EFAULT; |
| 1529 |
} |
| 1530 |
return ret;
|
| 1531 |
} |
| 1532 |
|
| 1533 |
/* do_getpeername() Must return target values and target errnos. */
|
| 1534 |
static abi_long do_getpeername(int fd, abi_ulong target_addr, |
| 1535 |
abi_ulong target_addrlen_addr) |
| 1536 |
{
|
| 1537 |
socklen_t addrlen; |
| 1538 |
void *addr;
|
| 1539 |
abi_long ret; |
| 1540 |
|
| 1541 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
| 1542 |
return -TARGET_EFAULT;
|
| 1543 |
|
| 1544 |
if (addrlen < 0) |
| 1545 |
return -TARGET_EINVAL;
|
| 1546 |
|
| 1547 |
addr = alloca(addrlen); |
| 1548 |
|
| 1549 |
ret = get_errno(getpeername(fd, addr, &addrlen)); |
| 1550 |
if (!is_error(ret)) {
|
| 1551 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 1552 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
| 1553 |
ret = -TARGET_EFAULT; |
| 1554 |
} |
| 1555 |
return ret;
|
| 1556 |
} |
| 1557 |
|
| 1558 |
/* do_getsockname() Must return target values and target errnos. */
|
| 1559 |
static abi_long do_getsockname(int fd, abi_ulong target_addr, |
| 1560 |
abi_ulong target_addrlen_addr) |
| 1561 |
{
|
| 1562 |
socklen_t addrlen; |
| 1563 |
void *addr;
|
| 1564 |
abi_long ret; |
| 1565 |
|
| 1566 |
if (target_addr == 0) |
| 1567 |
return get_errno(accept(fd, NULL, NULL)); |
| 1568 |
|
| 1569 |
if (get_user_u32(addrlen, target_addrlen_addr))
|
| 1570 |
return -TARGET_EFAULT;
|
| 1571 |
|
| 1572 |
if (addrlen < 0) |
| 1573 |
return -TARGET_EINVAL;
|
| 1574 |
|
| 1575 |
addr = alloca(addrlen); |
| 1576 |
|
| 1577 |
ret = get_errno(getsockname(fd, addr, &addrlen)); |
| 1578 |
if (!is_error(ret)) {
|
| 1579 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 1580 |
if (put_user_u32(addrlen, target_addrlen_addr))
|
| 1581 |
ret = -TARGET_EFAULT; |
| 1582 |
} |
| 1583 |
return ret;
|
| 1584 |
} |
| 1585 |
|
| 1586 |
/* do_socketpair() Must return target values and target errnos. */
|
| 1587 |
static abi_long do_socketpair(int domain, int type, int protocol, |
| 1588 |
abi_ulong target_tab_addr) |
| 1589 |
{
|
| 1590 |
int tab[2]; |
| 1591 |
abi_long ret; |
| 1592 |
|
| 1593 |
ret = get_errno(socketpair(domain, type, protocol, tab)); |
| 1594 |
if (!is_error(ret)) {
|
| 1595 |
if (put_user_s32(tab[0], target_tab_addr) |
| 1596 |
|| put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) |
| 1597 |
ret = -TARGET_EFAULT; |
| 1598 |
} |
| 1599 |
return ret;
|
| 1600 |
} |
| 1601 |
|
| 1602 |
/* do_sendto() Must return target values and target errnos. */
|
| 1603 |
static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
| 1604 |
abi_ulong target_addr, socklen_t addrlen) |
| 1605 |
{
|
| 1606 |
void *addr;
|
| 1607 |
void *host_msg;
|
| 1608 |
abi_long ret; |
| 1609 |
|
| 1610 |
if (addrlen < 0) |
| 1611 |
return -TARGET_EINVAL;
|
| 1612 |
|
| 1613 |
host_msg = lock_user(VERIFY_READ, msg, len, 1);
|
| 1614 |
if (!host_msg)
|
| 1615 |
return -TARGET_EFAULT;
|
| 1616 |
if (target_addr) {
|
| 1617 |
addr = alloca(addrlen); |
| 1618 |
target_to_host_sockaddr(addr, target_addr, addrlen); |
| 1619 |
ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); |
| 1620 |
} else {
|
| 1621 |
ret = get_errno(send(fd, host_msg, len, flags)); |
| 1622 |
} |
| 1623 |
unlock_user(host_msg, msg, 0);
|
| 1624 |
return ret;
|
| 1625 |
} |
| 1626 |
|
| 1627 |
/* do_recvfrom() Must return target values and target errnos. */
|
| 1628 |
static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
| 1629 |
abi_ulong target_addr, |
| 1630 |
abi_ulong target_addrlen) |
| 1631 |
{
|
| 1632 |
socklen_t addrlen; |
| 1633 |
void *addr;
|
| 1634 |
void *host_msg;
|
| 1635 |
abi_long ret; |
| 1636 |
|
| 1637 |
host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
|
| 1638 |
if (!host_msg)
|
| 1639 |
return -TARGET_EFAULT;
|
| 1640 |
if (target_addr) {
|
| 1641 |
if (get_user_u32(addrlen, target_addrlen)) {
|
| 1642 |
ret = -TARGET_EFAULT; |
| 1643 |
goto fail;
|
| 1644 |
} |
| 1645 |
if (addrlen < 0) { |
| 1646 |
ret = -TARGET_EINVAL; |
| 1647 |
goto fail;
|
| 1648 |
} |
| 1649 |
addr = alloca(addrlen); |
| 1650 |
ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); |
| 1651 |
} else {
|
| 1652 |
addr = NULL; /* To keep compiler quiet. */ |
| 1653 |
ret = get_errno(recv(fd, host_msg, len, flags)); |
| 1654 |
} |
| 1655 |
if (!is_error(ret)) {
|
| 1656 |
if (target_addr) {
|
| 1657 |
host_to_target_sockaddr(target_addr, addr, addrlen); |
| 1658 |
if (put_user_u32(addrlen, target_addrlen)) {
|
| 1659 |
ret = -TARGET_EFAULT; |
| 1660 |
goto fail;
|
| 1661 |
} |
| 1662 |
} |
| 1663 |
unlock_user(host_msg, msg, len); |
| 1664 |
} else {
|
| 1665 |
fail:
|
| 1666 |
unlock_user(host_msg, msg, 0);
|
| 1667 |
} |
| 1668 |
return ret;
|
| 1669 |
} |
| 1670 |
|
| 1671 |
#ifdef TARGET_NR_socketcall
|
| 1672 |
/* do_socketcall() Must return target values and target errnos. */
|
| 1673 |
static abi_long do_socketcall(int num, abi_ulong vptr) |
| 1674 |
{
|
| 1675 |
abi_long ret; |
| 1676 |
const int n = sizeof(abi_ulong); |
| 1677 |
|
| 1678 |
switch(num) {
|
| 1679 |
case SOCKOP_socket:
|
| 1680 |
{
|
| 1681 |
int domain, type, protocol;
|
| 1682 |
|
| 1683 |
if (get_user_s32(domain, vptr)
|
| 1684 |
|| get_user_s32(type, vptr + n) |
| 1685 |
|| get_user_s32(protocol, vptr + 2 * n))
|
| 1686 |
return -TARGET_EFAULT;
|
| 1687 |
|
| 1688 |
ret = do_socket(domain, type, protocol); |
| 1689 |
} |
| 1690 |
break;
|
| 1691 |
case SOCKOP_bind:
|
| 1692 |
{
|
| 1693 |
int sockfd;
|
| 1694 |
abi_ulong target_addr; |
| 1695 |
socklen_t addrlen; |
| 1696 |
|
| 1697 |
if (get_user_s32(sockfd, vptr)
|
| 1698 |
|| get_user_ual(target_addr, vptr + n) |
| 1699 |
|| get_user_u32(addrlen, vptr + 2 * n))
|
| 1700 |
return -TARGET_EFAULT;
|
| 1701 |
|
| 1702 |
ret = do_bind(sockfd, target_addr, addrlen); |
| 1703 |
} |
| 1704 |
break;
|
| 1705 |
case SOCKOP_connect:
|
| 1706 |
{
|
| 1707 |
int sockfd;
|
| 1708 |
abi_ulong target_addr; |
| 1709 |
socklen_t addrlen; |
| 1710 |
|
| 1711 |
if (get_user_s32(sockfd, vptr)
|
| 1712 |
|| get_user_ual(target_addr, vptr + n) |
| 1713 |
|| get_user_u32(addrlen, vptr + 2 * n))
|
| 1714 |
return -TARGET_EFAULT;
|
| 1715 |
|
| 1716 |
ret = do_connect(sockfd, target_addr, addrlen); |
| 1717 |
} |
| 1718 |
break;
|
| 1719 |
case SOCKOP_listen:
|
| 1720 |
{
|
| 1721 |
int sockfd, backlog;
|
| 1722 |
|
| 1723 |
if (get_user_s32(sockfd, vptr)
|
| 1724 |
|| get_user_s32(backlog, vptr + n)) |
| 1725 |
return -TARGET_EFAULT;
|
| 1726 |
|
| 1727 |
ret = get_errno(listen(sockfd, backlog)); |
| 1728 |
} |
| 1729 |
break;
|
| 1730 |
case SOCKOP_accept:
|
| 1731 |
{
|
| 1732 |
int sockfd;
|
| 1733 |
abi_ulong target_addr, target_addrlen; |
| 1734 |
|
| 1735 |
if (get_user_s32(sockfd, vptr)
|
| 1736 |
|| get_user_ual(target_addr, vptr + n) |
| 1737 |
|| get_user_u32(target_addrlen, vptr + 2 * n))
|
| 1738 |
return -TARGET_EFAULT;
|
| 1739 |
|
| 1740 |
ret = do_accept(sockfd, target_addr, target_addrlen); |
| 1741 |
} |
| 1742 |
break;
|
| 1743 |
case SOCKOP_getsockname:
|
| 1744 |
{
|
| 1745 |
int sockfd;
|
| 1746 |
abi_ulong target_addr, target_addrlen; |
| 1747 |
|
| 1748 |
if (get_user_s32(sockfd, vptr)
|
| 1749 |
|| get_user_ual(target_addr, vptr + n) |
| 1750 |
|| get_user_u32(target_addrlen, vptr + 2 * n))
|
| 1751 |
return -TARGET_EFAULT;
|
| 1752 |
|
| 1753 |
ret = do_getsockname(sockfd, target_addr, target_addrlen); |
| 1754 |
} |
| 1755 |
break;
|
| 1756 |
case SOCKOP_getpeername:
|
| 1757 |
{
|
| 1758 |
int sockfd;
|
| 1759 |
abi_ulong target_addr, target_addrlen; |
| 1760 |
|
| 1761 |
if (get_user_s32(sockfd, vptr)
|
| 1762 |
|| get_user_ual(target_addr, vptr + n) |
| 1763 |
|| get_user_u32(target_addrlen, vptr + 2 * n))
|
| 1764 |
return -TARGET_EFAULT;
|
| 1765 |
|
| 1766 |
ret = do_getpeername(sockfd, target_addr, target_addrlen); |
| 1767 |
} |
| 1768 |
break;
|
| 1769 |
case SOCKOP_socketpair:
|
| 1770 |
{
|
| 1771 |
int domain, type, protocol;
|
| 1772 |
abi_ulong tab; |
| 1773 |
|
| 1774 |
if (get_user_s32(domain, vptr)
|
| 1775 |
|| get_user_s32(type, vptr + n) |
| 1776 |
|| get_user_s32(protocol, vptr + 2 * n)
|
| 1777 |
|| get_user_ual(tab, vptr + 3 * n))
|
| 1778 |
return -TARGET_EFAULT;
|
| 1779 |
|
| 1780 |
ret = do_socketpair(domain, type, protocol, tab); |
| 1781 |
} |
| 1782 |
break;
|
| 1783 |
case SOCKOP_send:
|
| 1784 |
{
|
| 1785 |
int sockfd;
|
| 1786 |
abi_ulong msg; |
| 1787 |
size_t len; |
| 1788 |
int flags;
|
| 1789 |
|
| 1790 |
if (get_user_s32(sockfd, vptr)
|
| 1791 |
|| get_user_ual(msg, vptr + n) |
| 1792 |
|| get_user_ual(len, vptr + 2 * n)
|
| 1793 |
|| get_user_s32(flags, vptr + 3 * n))
|
| 1794 |
return -TARGET_EFAULT;
|
| 1795 |
|
| 1796 |
ret = do_sendto(sockfd, msg, len, flags, 0, 0); |
| 1797 |
} |
| 1798 |
break;
|
| 1799 |
case SOCKOP_recv:
|
| 1800 |
{
|
| 1801 |
int sockfd;
|
| 1802 |
abi_ulong msg; |
| 1803 |
size_t len; |
| 1804 |
int flags;
|
| 1805 |
|
| 1806 |
if (get_user_s32(sockfd, vptr)
|
| 1807 |
|| get_user_ual(msg, vptr + n) |
| 1808 |
|| get_user_ual(len, vptr + 2 * n)
|
| 1809 |
|| get_user_s32(flags, vptr + 3 * n))
|
| 1810 |
return -TARGET_EFAULT;
|
| 1811 |
|
| 1812 |
ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); |
| 1813 |
} |
| 1814 |
break;
|
| 1815 |
case SOCKOP_sendto:
|
| 1816 |
{
|
| 1817 |
int sockfd;
|
| 1818 |
abi_ulong msg; |
| 1819 |
size_t len; |
| 1820 |
int flags;
|
| 1821 |
abi_ulong addr; |
| 1822 |
socklen_t addrlen; |
| 1823 |
|
| 1824 |
if (get_user_s32(sockfd, vptr)
|
| 1825 |
|| get_user_ual(msg, vptr + n) |
| 1826 |
|| get_user_ual(len, vptr + 2 * n)
|
| 1827 |
|| get_user_s32(flags, vptr + 3 * n)
|
| 1828 |
|| get_user_ual(addr, vptr + 4 * n)
|
| 1829 |
|| get_user_u32(addrlen, vptr + 5 * n))
|
| 1830 |
return -TARGET_EFAULT;
|
| 1831 |
|
| 1832 |
ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); |
| 1833 |
} |
| 1834 |
break;
|
| 1835 |
case SOCKOP_recvfrom:
|
| 1836 |
{
|
| 1837 |
int sockfd;
|
| 1838 |
abi_ulong msg; |
| 1839 |
size_t len; |
| 1840 |
int flags;
|
| 1841 |
abi_ulong addr; |
| 1842 |
socklen_t addrlen; |
| 1843 |
|
| 1844 |
if (get_user_s32(sockfd, vptr)
|
| 1845 |
|| get_user_ual(msg, vptr + n) |
| 1846 |
|| get_user_ual(len, vptr + 2 * n)
|
| 1847 |
|| get_user_s32(flags, vptr + 3 * n)
|
| 1848 |
|| get_user_ual(addr, vptr + 4 * n)
|
| 1849 |
|| get_user_u32(addrlen, vptr + 5 * n))
|
| 1850 |
return -TARGET_EFAULT;
|
| 1851 |
|
| 1852 |
ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); |
| 1853 |
} |
| 1854 |
break;
|
| 1855 |
case SOCKOP_shutdown:
|
| 1856 |
{
|
| 1857 |
int sockfd, how;
|
| 1858 |
|
| 1859 |
if (get_user_s32(sockfd, vptr)
|
| 1860 |
|| get_user_s32(how, vptr + n)) |
| 1861 |
return -TARGET_EFAULT;
|
| 1862 |
|
| 1863 |
ret = get_errno(shutdown(sockfd, how)); |
| 1864 |
} |
| 1865 |
break;
|
| 1866 |
case SOCKOP_sendmsg:
|
| 1867 |
case SOCKOP_recvmsg:
|
| 1868 |
{
|
| 1869 |
int fd;
|
| 1870 |
abi_ulong target_msg; |
| 1871 |
int flags;
|
| 1872 |
|
| 1873 |
if (get_user_s32(fd, vptr)
|
| 1874 |
|| get_user_ual(target_msg, vptr + n) |
| 1875 |
|| get_user_s32(flags, vptr + 2 * n))
|
| 1876 |
return -TARGET_EFAULT;
|
| 1877 |
|
| 1878 |
ret = do_sendrecvmsg(fd, target_msg, flags, |
| 1879 |
(num == SOCKOP_sendmsg)); |
| 1880 |
} |
| 1881 |
break;
|
| 1882 |
case SOCKOP_setsockopt:
|
| 1883 |
{
|
| 1884 |
int sockfd;
|
| 1885 |
int level;
|
| 1886 |
int optname;
|
| 1887 |
abi_ulong optval; |
| 1888 |
socklen_t optlen; |
| 1889 |
|
| 1890 |
if (get_user_s32(sockfd, vptr)
|
| 1891 |
|| get_user_s32(level, vptr + n) |
| 1892 |
|| get_user_s32(optname, vptr + 2 * n)
|
| 1893 |
|| get_user_ual(optval, vptr + 3 * n)
|
| 1894 |
|| get_user_u32(optlen, vptr + 4 * n))
|
| 1895 |
return -TARGET_EFAULT;
|
| 1896 |
|
| 1897 |
ret = do_setsockopt(sockfd, level, optname, optval, optlen); |
| 1898 |
} |
| 1899 |
break;
|
| 1900 |
case SOCKOP_getsockopt:
|
| 1901 |
{
|
| 1902 |
int sockfd;
|
| 1903 |
int level;
|
| 1904 |
int optname;
|
| 1905 |
abi_ulong optval; |
| 1906 |
socklen_t optlen; |
| 1907 |
|
| 1908 |
if (get_user_s32(sockfd, vptr)
|
| 1909 |
|| get_user_s32(level, vptr + n) |
| 1910 |
|| get_user_s32(optname, vptr + 2 * n)
|
| 1911 |
|| get_user_ual(optval, vptr + 3 * n)
|
| 1912 |
|| get_user_u32(optlen, vptr + 4 * n))
|
| 1913 |
return -TARGET_EFAULT;
|
| 1914 |
|
| 1915 |
ret = do_getsockopt(sockfd, level, optname, optval, optlen); |
| 1916 |
} |
| 1917 |
break;
|
| 1918 |
default:
|
| 1919 |
gemu_log("Unsupported socketcall: %d\n", num);
|
| 1920 |
ret = -TARGET_ENOSYS; |
| 1921 |
break;
|
| 1922 |
} |
| 1923 |
return ret;
|
| 1924 |
} |
| 1925 |
#endif
|
| 1926 |
|
| 1927 |
#ifdef TARGET_NR_ipc
|
| 1928 |
#define N_SHM_REGIONS 32 |
| 1929 |
|
| 1930 |
static struct shm_region { |
| 1931 |
abi_ulong start; |
| 1932 |
abi_ulong size; |
| 1933 |
} shm_regions[N_SHM_REGIONS]; |
| 1934 |
#endif
|
| 1935 |
|
| 1936 |
struct target_ipc_perm
|
| 1937 |
{
|
| 1938 |
abi_long __key; |
| 1939 |
abi_ulong uid; |
| 1940 |
abi_ulong gid; |
| 1941 |
abi_ulong cuid; |
| 1942 |
abi_ulong cgid; |
| 1943 |
unsigned short int mode; |
| 1944 |
unsigned short int __pad1; |
| 1945 |
unsigned short int __seq; |
| 1946 |
unsigned short int __pad2; |
| 1947 |
abi_ulong __unused1; |
| 1948 |
abi_ulong __unused2; |
| 1949 |
}; |
| 1950 |
|
| 1951 |
struct target_semid_ds
|
| 1952 |
{
|
| 1953 |
struct target_ipc_perm sem_perm;
|
| 1954 |
abi_ulong sem_otime; |
| 1955 |
abi_ulong __unused1; |
| 1956 |
abi_ulong sem_ctime; |
| 1957 |
abi_ulong __unused2; |
| 1958 |
abi_ulong sem_nsems; |
| 1959 |
abi_ulong __unused3; |
| 1960 |
abi_ulong __unused4; |
| 1961 |
}; |
| 1962 |
|
| 1963 |
static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
| 1964 |
abi_ulong target_addr) |
| 1965 |
{
|
| 1966 |
struct target_ipc_perm *target_ip;
|
| 1967 |
struct target_semid_ds *target_sd;
|
| 1968 |
|
| 1969 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
| 1970 |
return -TARGET_EFAULT;
|
| 1971 |
target_ip=&(target_sd->sem_perm); |
| 1972 |
host_ip->__key = tswapl(target_ip->__key); |
| 1973 |
host_ip->uid = tswapl(target_ip->uid); |
| 1974 |
host_ip->gid = tswapl(target_ip->gid); |
| 1975 |
host_ip->cuid = tswapl(target_ip->cuid); |
| 1976 |
host_ip->cgid = tswapl(target_ip->cgid); |
| 1977 |
host_ip->mode = tswapl(target_ip->mode); |
| 1978 |
unlock_user_struct(target_sd, target_addr, 0);
|
| 1979 |
return 0; |
| 1980 |
} |
| 1981 |
|
| 1982 |
static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
| 1983 |
struct ipc_perm *host_ip)
|
| 1984 |
{
|
| 1985 |
struct target_ipc_perm *target_ip;
|
| 1986 |
struct target_semid_ds *target_sd;
|
| 1987 |
|
| 1988 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
| 1989 |
return -TARGET_EFAULT;
|
| 1990 |
target_ip = &(target_sd->sem_perm); |
| 1991 |
target_ip->__key = tswapl(host_ip->__key); |
| 1992 |
target_ip->uid = tswapl(host_ip->uid); |
| 1993 |
target_ip->gid = tswapl(host_ip->gid); |
| 1994 |
target_ip->cuid = tswapl(host_ip->cuid); |
| 1995 |
target_ip->cgid = tswapl(host_ip->cgid); |
| 1996 |
target_ip->mode = tswapl(host_ip->mode); |
| 1997 |
unlock_user_struct(target_sd, target_addr, 1);
|
| 1998 |
return 0; |
| 1999 |
} |
| 2000 |
|
| 2001 |
static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
| 2002 |
abi_ulong target_addr) |
| 2003 |
{
|
| 2004 |
struct target_semid_ds *target_sd;
|
| 2005 |
|
| 2006 |
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
| 2007 |
return -TARGET_EFAULT;
|
| 2008 |
target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr); |
| 2009 |
host_sd->sem_nsems = tswapl(target_sd->sem_nsems); |
| 2010 |
host_sd->sem_otime = tswapl(target_sd->sem_otime); |
| 2011 |
host_sd->sem_ctime = tswapl(target_sd->sem_ctime); |
| 2012 |
unlock_user_struct(target_sd, target_addr, 0);
|
| 2013 |
return 0; |
| 2014 |
} |
| 2015 |
|
| 2016 |
static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
| 2017 |
struct semid_ds *host_sd)
|
| 2018 |
{
|
| 2019 |
struct target_semid_ds *target_sd;
|
| 2020 |
|
| 2021 |
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
| 2022 |
return -TARGET_EFAULT;
|
| 2023 |
host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)); |
| 2024 |
target_sd->sem_nsems = tswapl(host_sd->sem_nsems); |
| 2025 |
target_sd->sem_otime = tswapl(host_sd->sem_otime); |
| 2026 |
target_sd->sem_ctime = tswapl(host_sd->sem_ctime); |
| 2027 |
unlock_user_struct(target_sd, target_addr, 1);
|
| 2028 |
return 0; |
| 2029 |
} |
| 2030 |
|
| 2031 |
union semun {
|
| 2032 |
int val;
|
| 2033 |
struct semid_ds *buf;
|
| 2034 |
unsigned short *array; |
| 2035 |
}; |
| 2036 |
|
| 2037 |
union target_semun {
|
| 2038 |
int val;
|
| 2039 |
abi_long buf; |
| 2040 |
unsigned short int *array; |
| 2041 |
}; |
| 2042 |
|
| 2043 |
static inline abi_long target_to_host_semun(int cmd, |
| 2044 |
union semun *host_su,
|
| 2045 |
abi_ulong target_addr, |
| 2046 |
struct semid_ds *ds)
|
| 2047 |
{
|
| 2048 |
union target_semun *target_su;
|
| 2049 |
|
| 2050 |
switch( cmd ) {
|
| 2051 |
case IPC_STAT:
|
| 2052 |
case IPC_SET:
|
| 2053 |
if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) |
| 2054 |
return -TARGET_EFAULT;
|
| 2055 |
target_to_host_semid_ds(ds,target_su->buf); |
| 2056 |
host_su->buf = ds; |
| 2057 |
unlock_user_struct(target_su, target_addr, 0);
|
| 2058 |
break;
|
| 2059 |
case GETVAL:
|
| 2060 |
case SETVAL:
|
| 2061 |
if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) |
| 2062 |
return -TARGET_EFAULT;
|
| 2063 |
host_su->val = tswapl(target_su->val); |
| 2064 |
unlock_user_struct(target_su, target_addr, 0);
|
| 2065 |
break;
|
| 2066 |
case GETALL:
|
| 2067 |
case SETALL:
|
| 2068 |
if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1)) |
| 2069 |
return -TARGET_EFAULT;
|
| 2070 |
*host_su->array = tswap16(*target_su->array); |
| 2071 |
unlock_user_struct(target_su, target_addr, 0);
|
| 2072 |
break;
|
| 2073 |
default:
|
| 2074 |
gemu_log("semun operation not fully supported: %d\n", (int)cmd); |
| 2075 |
} |
| 2076 |
return 0; |
| 2077 |
} |
| 2078 |
|
| 2079 |
static inline abi_long host_to_target_semun(int cmd, |
| 2080 |
abi_ulong target_addr, |
| 2081 |
union semun *host_su,
|
| 2082 |
struct semid_ds *ds)
|
| 2083 |
{
|
| 2084 |
union target_semun *target_su;
|
| 2085 |
|
| 2086 |
switch( cmd ) {
|
| 2087 |
case IPC_STAT:
|
| 2088 |
case IPC_SET:
|
| 2089 |
if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) |
| 2090 |
return -TARGET_EFAULT;
|
| 2091 |
host_to_target_semid_ds(target_su->buf,ds); |
| 2092 |
unlock_user_struct(target_su, target_addr, 1);
|
| 2093 |
break;
|
| 2094 |
case GETVAL:
|
| 2095 |
case SETVAL:
|
| 2096 |
if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) |
| 2097 |
return -TARGET_EFAULT;
|
| 2098 |
target_su->val = tswapl(host_su->val); |
| 2099 |
unlock_user_struct(target_su, target_addr, 1);
|
| 2100 |
break;
|
| 2101 |
case GETALL:
|
| 2102 |
case SETALL:
|
| 2103 |
if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0)) |
| 2104 |
return -TARGET_EFAULT;
|
| 2105 |
*target_su->array = tswap16(*host_su->array); |
| 2106 |
unlock_user_struct(target_su, target_addr, 1);
|
| 2107 |
break;
|
| 2108 |
default:
|
| 2109 |
gemu_log("semun operation not fully supported: %d\n", (int)cmd); |
| 2110 |
} |
| 2111 |
return 0; |
| 2112 |
} |
| 2113 |
|
| 2114 |
static inline abi_long do_semctl(int first, int second, int third, |
| 2115 |
abi_long ptr) |
| 2116 |
{
|
| 2117 |
union semun arg;
|
| 2118 |
struct semid_ds dsarg;
|
| 2119 |
int cmd = third&0xff; |
| 2120 |
abi_long ret = 0;
|
| 2121 |
|
| 2122 |
switch( cmd ) {
|
| 2123 |
case GETVAL:
|
| 2124 |
target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| 2125 |
ret = get_errno(semctl(first, second, cmd, arg)); |
| 2126 |
host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| 2127 |
break;
|
| 2128 |
case SETVAL:
|
| 2129 |
target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| 2130 |
ret = get_errno(semctl(first, second, cmd, arg)); |
| 2131 |
host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| 2132 |
break;
|
| 2133 |
case GETALL:
|
| 2134 |
target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| 2135 |
ret = get_errno(semctl(first, second, cmd, arg)); |
| 2136 |
host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| 2137 |
break;
|
| 2138 |
case SETALL:
|
| 2139 |
target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| 2140 |
ret = get_errno(semctl(first, second, cmd, arg)); |
| 2141 |
host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| 2142 |
break;
|
| 2143 |
case IPC_STAT:
|
| 2144 |
target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| 2145 |
ret = get_errno(semctl(first, second, cmd, arg)); |
| 2146 |
host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| 2147 |
break;
|
| 2148 |
case IPC_SET:
|
| 2149 |
target_to_host_semun(cmd,&arg,ptr,&dsarg); |
| 2150 |
ret = get_errno(semctl(first, second, cmd, arg)); |
| 2151 |
host_to_target_semun(cmd,ptr,&arg,&dsarg); |
| 2152 |
break;
|
| 2153 |
default:
|
| 2154 |
ret = get_errno(semctl(first, second, cmd, arg)); |
| 2155 |
} |
| 2156 |
|
| 2157 |
return ret;
|
| 2158 |
} |
| 2159 |
|
| 2160 |
struct target_msqid_ds
|
| 2161 |
{
|
| 2162 |
struct target_ipc_perm msg_perm;
|
| 2163 |
abi_ulong msg_stime; |
| 2164 |
#if TARGET_ABI_BITS == 32 |
| 2165 |
abi_ulong __unused1; |
| 2166 |
#endif
|
| 2167 |
abi_ulong msg_rtime; |
| 2168 |
#if TARGET_ABI_BITS == 32 |
| 2169 |
abi_ulong __unused2; |
| 2170 |
#endif
|
| 2171 |
abi_ulong msg_ctime; |
| 2172 |
#if TARGET_ABI_BITS == 32 |
| 2173 |
abi_ulong __unused3; |
| 2174 |
#endif
|
| 2175 |
abi_ulong __msg_cbytes; |
| 2176 |
abi_ulong msg_qnum; |
| 2177 |
abi_ulong msg_qbytes; |
| 2178 |
abi_ulong msg_lspid; |
| 2179 |
abi_ulong msg_lrpid; |
| 2180 |
abi_ulong __unused4; |
| 2181 |
abi_ulong __unused5; |
| 2182 |
}; |
| 2183 |
|
| 2184 |
static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
| 2185 |
abi_ulong target_addr) |
| 2186 |
{
|
| 2187 |
struct target_msqid_ds *target_md;
|
| 2188 |
|
| 2189 |
if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
| 2190 |
return -TARGET_EFAULT;
|
| 2191 |
if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
|
| 2192 |
return -TARGET_EFAULT;
|
| 2193 |
host_md->msg_stime = tswapl(target_md->msg_stime); |
| 2194 |
host_md->msg_rtime = tswapl(target_md->msg_rtime); |
| 2195 |
host_md->msg_ctime = tswapl(target_md->msg_ctime); |
| 2196 |
host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes); |
| 2197 |
host_md->msg_qnum = tswapl(target_md->msg_qnum); |
| 2198 |
host_md->msg_qbytes = tswapl(target_md->msg_qbytes); |
| 2199 |
host_md->msg_lspid = tswapl(target_md->msg_lspid); |
| 2200 |
host_md->msg_lrpid = tswapl(target_md->msg_lrpid); |
| 2201 |
unlock_user_struct(target_md, target_addr, 0);
|
| 2202 |
return 0; |
| 2203 |
} |
| 2204 |
|
| 2205 |
static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
| 2206 |
struct msqid_ds *host_md)
|
| 2207 |
{
|
| 2208 |
struct target_msqid_ds *target_md;
|
| 2209 |
|
| 2210 |
if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
| 2211 |
return -TARGET_EFAULT;
|
| 2212 |
if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
|
| 2213 |
return -TARGET_EFAULT;
|
| 2214 |
target_md->msg_stime = tswapl(host_md->msg_stime); |
| 2215 |
target_md->msg_rtime = tswapl(host_md->msg_rtime); |
| 2216 |
target_md->msg_ctime = tswapl(host_md->msg_ctime); |
| 2217 |
target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes); |
| 2218 |
target_md->msg_qnum = tswapl(host_md->msg_qnum); |
| 2219 |
target_md->msg_qbytes = tswapl(host_md->msg_qbytes); |
| 2220 |
target_md->msg_lspid = tswapl(host_md->msg_lspid); |
| 2221 |
target_md->msg_lrpid = tswapl(host_md->msg_lrpid); |
| 2222 |
unlock_user_struct(target_md, target_addr, 1);
|
| 2223 |
return 0; |
| 2224 |
} |
| 2225 |
|
| 2226 |
struct target_msginfo {
|
| 2227 |
int msgpool;
|
| 2228 |
int msgmap;
|
| 2229 |
int msgmax;
|
| 2230 |
int msgmnb;
|
| 2231 |
int msgmni;
|
| 2232 |
int msgssz;
|
| 2233 |
int msgtql;
|
| 2234 |
unsigned short int msgseg; |
| 2235 |
}; |
| 2236 |
|
| 2237 |
static inline abi_long host_to_target_msginfo(abi_ulong target_addr, |
| 2238 |
struct msginfo *host_msginfo)
|
| 2239 |
{
|
| 2240 |
struct target_msginfo *target_msginfo;
|
| 2241 |
if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) |
| 2242 |
return -TARGET_EFAULT;
|
| 2243 |
__put_user(host_msginfo->msgpool, &target_msginfo->msgpool); |
| 2244 |
__put_user(host_msginfo->msgmap, &target_msginfo->msgmap); |
| 2245 |
__put_user(host_msginfo->msgmax, &target_msginfo->msgmax); |
| 2246 |
__put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); |
| 2247 |
__put_user(host_msginfo->msgmni, &target_msginfo->msgmni); |
| 2248 |
__put_user(host_msginfo->msgssz, &target_msginfo->msgssz); |
| 2249 |
__put_user(host_msginfo->msgtql, &target_msginfo->msgtql); |
| 2250 |
__put_user(host_msginfo->msgseg, &target_msginfo->msgseg); |
| 2251 |
unlock_user_struct(target_msginfo, target_addr, 1);
|
| 2252 |
return 0; |
| 2253 |
} |
| 2254 |
|
| 2255 |
static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) |
| 2256 |
{
|
| 2257 |
struct msqid_ds dsarg;
|
| 2258 |
struct msginfo msginfo;
|
| 2259 |
abi_long ret = -TARGET_EINVAL; |
| 2260 |
|
| 2261 |
cmd &= 0xff;
|
| 2262 |
|
| 2263 |
switch (cmd) {
|
| 2264 |
case IPC_STAT:
|
| 2265 |
case IPC_SET:
|
| 2266 |
case MSG_STAT:
|
| 2267 |
if (target_to_host_msqid_ds(&dsarg,ptr))
|
| 2268 |
return -TARGET_EFAULT;
|
| 2269 |
ret = get_errno(msgctl(msgid, cmd, &dsarg)); |
| 2270 |
if (host_to_target_msqid_ds(ptr,&dsarg))
|
| 2271 |
return -TARGET_EFAULT;
|
| 2272 |
break;
|
| 2273 |
case IPC_RMID:
|
| 2274 |
ret = get_errno(msgctl(msgid, cmd, NULL));
|
| 2275 |
break;
|
| 2276 |
case IPC_INFO:
|
| 2277 |
case MSG_INFO:
|
| 2278 |
ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
|
| 2279 |
if (host_to_target_msginfo(ptr, &msginfo))
|
| 2280 |
return -TARGET_EFAULT;
|
| 2281 |
break;
|
| 2282 |
} |
| 2283 |
|
| 2284 |
return ret;
|
| 2285 |
} |
| 2286 |
|
| 2287 |
struct target_msgbuf {
|
| 2288 |
abi_long mtype; |
| 2289 |
char mtext[1]; |
| 2290 |
}; |
| 2291 |
|
| 2292 |
static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
| 2293 |
unsigned int msgsz, int msgflg) |
| 2294 |
{
|
| 2295 |
struct target_msgbuf *target_mb;
|
| 2296 |
struct msgbuf *host_mb;
|
| 2297 |
abi_long ret = 0;
|
| 2298 |
|
| 2299 |
if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
| 2300 |
return -TARGET_EFAULT;
|
| 2301 |
host_mb = malloc(msgsz+sizeof(long)); |
| 2302 |
host_mb->mtype = (abi_long) tswapl(target_mb->mtype); |
| 2303 |
memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
| 2304 |
ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); |
| 2305 |
free(host_mb); |
| 2306 |
unlock_user_struct(target_mb, msgp, 0);
|
| 2307 |
|
| 2308 |
return ret;
|
| 2309 |
} |
| 2310 |
|
| 2311 |
static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
| 2312 |
unsigned int msgsz, abi_long msgtyp, |
| 2313 |
int msgflg)
|
| 2314 |
{
|
| 2315 |
struct target_msgbuf *target_mb;
|
| 2316 |
char *target_mtext;
|
| 2317 |
struct msgbuf *host_mb;
|
| 2318 |
abi_long ret = 0;
|
| 2319 |
|
| 2320 |
if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
| 2321 |
return -TARGET_EFAULT;
|
| 2322 |
|
| 2323 |
host_mb = malloc(msgsz+sizeof(long)); |
| 2324 |
ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg)); |
| 2325 |
|
| 2326 |
if (ret > 0) { |
| 2327 |
abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
|
| 2328 |
target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
|
| 2329 |
if (!target_mtext) {
|
| 2330 |
ret = -TARGET_EFAULT; |
| 2331 |
goto end;
|
| 2332 |
} |
| 2333 |
memcpy(target_mb->mtext, host_mb->mtext, ret); |
| 2334 |
unlock_user(target_mtext, target_mtext_addr, ret); |
| 2335 |
} |
| 2336 |
|
| 2337 |
target_mb->mtype = tswapl(host_mb->mtype); |
| 2338 |
free(host_mb); |
| 2339 |
|
| 2340 |
end:
|
| 2341 |
if (target_mb)
|
| 2342 |
unlock_user_struct(target_mb, msgp, 1);
|
| 2343 |
return ret;
|
| 2344 |
} |
| 2345 |
|
| 2346 |
#ifdef TARGET_NR_ipc
|
| 2347 |
/* ??? This only works with linear mappings. */
|
| 2348 |
/* do_ipc() must return target values and target errnos. */
|
| 2349 |
static abi_long do_ipc(unsigned int call, int first, |
| 2350 |
int second, int third, |
| 2351 |
abi_long ptr, abi_long fifth) |
| 2352 |
{
|
| 2353 |
int version;
|
| 2354 |
abi_long ret = 0;
|
| 2355 |
struct shmid_ds shm_info;
|
| 2356 |
int i;
|
| 2357 |
|
| 2358 |
version = call >> 16;
|
| 2359 |
call &= 0xffff;
|
| 2360 |
|
| 2361 |
switch (call) {
|
| 2362 |
case IPCOP_semop:
|
| 2363 |
ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second));
|
| 2364 |
break;
|
| 2365 |
|
| 2366 |
case IPCOP_semget:
|
| 2367 |
ret = get_errno(semget(first, second, third)); |
| 2368 |
break;
|
| 2369 |
|
| 2370 |
case IPCOP_semctl:
|
| 2371 |
ret = do_semctl(first, second, third, ptr); |
| 2372 |
break;
|
| 2373 |
|
| 2374 |
case IPCOP_semtimedop:
|
| 2375 |
gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
|
| 2376 |
ret = -TARGET_ENOSYS; |
| 2377 |
break;
|
| 2378 |
|
| 2379 |
case IPCOP_msgget:
|
| 2380 |
ret = get_errno(msgget(first, second)); |
| 2381 |
break;
|
| 2382 |
|
| 2383 |
case IPCOP_msgsnd:
|
| 2384 |
ret = do_msgsnd(first, ptr, second, third); |
| 2385 |
break;
|
| 2386 |
|
| 2387 |
case IPCOP_msgctl:
|
| 2388 |
ret = do_msgctl(first, second, ptr); |
| 2389 |
break;
|
| 2390 |
|
| 2391 |
case IPCOP_msgrcv:
|
| 2392 |
switch (version) {
|
| 2393 |
case 0: |
| 2394 |
{
|
| 2395 |
struct target_ipc_kludge {
|
| 2396 |
abi_long msgp; |
| 2397 |
abi_long msgtyp; |
| 2398 |
} *tmp; |
| 2399 |
|
| 2400 |
if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { |
| 2401 |
ret = -TARGET_EFAULT; |
| 2402 |
break;
|
| 2403 |
} |
| 2404 |
|
| 2405 |
ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third); |
| 2406 |
|
| 2407 |
unlock_user_struct(tmp, ptr, 0);
|
| 2408 |
break;
|
| 2409 |
} |
| 2410 |
default:
|
| 2411 |
ret = do_msgrcv(first, ptr, second, fifth, third); |
| 2412 |
} |
| 2413 |
break;
|
| 2414 |
|
| 2415 |
case IPCOP_shmat:
|
| 2416 |
{
|
| 2417 |
abi_ulong raddr; |
| 2418 |
void *host_addr;
|
| 2419 |
/* SHM_* flags are the same on all linux platforms */
|
| 2420 |
host_addr = shmat(first, (void *)g2h(ptr), second);
|
| 2421 |
if (host_addr == (void *)-1) { |
| 2422 |
ret = get_errno((long)host_addr);
|
| 2423 |
break;
|
| 2424 |
} |
| 2425 |
raddr = h2g((unsigned long)host_addr); |
| 2426 |
/* find out the length of the shared memory segment */
|
| 2427 |
|
| 2428 |
ret = get_errno(shmctl(first, IPC_STAT, &shm_info)); |
| 2429 |
if (is_error(ret)) {
|
| 2430 |
/* can't get length, bail out */
|
| 2431 |
shmdt(host_addr); |
| 2432 |
break;
|
| 2433 |
} |
| 2434 |
page_set_flags(raddr, raddr + shm_info.shm_segsz, |
| 2435 |
PAGE_VALID | PAGE_READ | |
| 2436 |
((second & SHM_RDONLY)? 0: PAGE_WRITE));
|
| 2437 |
for (i = 0; i < N_SHM_REGIONS; ++i) { |
| 2438 |
if (shm_regions[i].start == 0) { |
| 2439 |
shm_regions[i].start = raddr; |
| 2440 |
shm_regions[i].size = shm_info.shm_segsz; |
| 2441 |
break;
|
| 2442 |
} |
| 2443 |
} |
| 2444 |
if (put_user_ual(raddr, third))
|
| 2445 |
return -TARGET_EFAULT;
|
| 2446 |
ret = 0;
|
| 2447 |
} |
| 2448 |
break;
|
| 2449 |
case IPCOP_shmdt:
|
| 2450 |
for (i = 0; i < N_SHM_REGIONS; ++i) { |
| 2451 |
if (shm_regions[i].start == ptr) {
|
| 2452 |
shm_regions[i].start = 0;
|
| 2453 |
page_set_flags(ptr, shm_regions[i].size, 0);
|
| 2454 |
break;
|
| 2455 |
} |
| 2456 |
} |
| 2457 |
ret = get_errno(shmdt((void *)g2h(ptr)));
|
| 2458 |
break;
|
| 2459 |
|
| 2460 |
case IPCOP_shmget:
|
| 2461 |
/* IPC_* flag values are the same on all linux platforms */
|
| 2462 |
ret = get_errno(shmget(first, second, third)); |
| 2463 |
break;
|
| 2464 |
|
| 2465 |
/* IPC_* and SHM_* command values are the same on all linux platforms */
|
| 2466 |
case IPCOP_shmctl:
|
| 2467 |
switch(second) {
|
| 2468 |
case IPC_RMID:
|
| 2469 |
case SHM_LOCK:
|
| 2470 |
case SHM_UNLOCK:
|
| 2471 |
ret = get_errno(shmctl(first, second, NULL));
|
| 2472 |
break;
|
| 2473 |
default:
|
| 2474 |
goto unimplemented;
|
| 2475 |
} |
| 2476 |
break;
|
| 2477 |
default:
|
| 2478 |
unimplemented:
|
| 2479 |
gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
|
| 2480 |
ret = -TARGET_ENOSYS; |
| 2481 |
break;
|
| 2482 |
} |
| 2483 |
return ret;
|
| 2484 |
} |
| 2485 |
#endif
|
| 2486 |
|
| 2487 |
/* kernel structure types definitions */
|
| 2488 |
#define IFNAMSIZ 16 |
| 2489 |
|
| 2490 |
#define STRUCT(name, list...) STRUCT_ ## name, |
| 2491 |
#define STRUCT_SPECIAL(name) STRUCT_ ## name, |
| 2492 |
enum {
|
| 2493 |
#include "syscall_types.h" |
| 2494 |
}; |
| 2495 |
#undef STRUCT
|
| 2496 |
#undef STRUCT_SPECIAL
|
| 2497 |
|
| 2498 |
#define STRUCT(name, list...) static const argtype struct_ ## name ## _def[] = { list, TYPE_NULL }; |
| 2499 |
#define STRUCT_SPECIAL(name)
|
| 2500 |
#include "syscall_types.h" |
| 2501 |
#undef STRUCT
|
| 2502 |
#undef STRUCT_SPECIAL
|
| 2503 |
|
| 2504 |
typedef struct IOCTLEntry { |
| 2505 |
unsigned int target_cmd; |
| 2506 |
unsigned int host_cmd; |
| 2507 |
const char *name; |
| 2508 |
int access;
|
| 2509 |
const argtype arg_type[5]; |
| 2510 |
} IOCTLEntry; |
| 2511 |
|
| 2512 |
#define IOC_R 0x0001 |
| 2513 |
#define IOC_W 0x0002 |
| 2514 |
#define IOC_RW (IOC_R | IOC_W)
|
| 2515 |
|
| 2516 |
#define MAX_STRUCT_SIZE 4096 |
| 2517 |
|
| 2518 |
static IOCTLEntry ioctl_entries[] = {
|
| 2519 |
#define IOCTL(cmd, access, types...) \
|
| 2520 |
{ TARGET_ ## cmd, cmd, #cmd, access, { types } },
|
| 2521 |
#include "ioctls.h" |
| 2522 |
{ 0, 0, },
|
| 2523 |
}; |
| 2524 |
|
| 2525 |
/* ??? Implement proper locking for ioctls. */
|
| 2526 |
/* do_ioctl() Must return target values and target errnos. */
|
| 2527 |
static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) |
| 2528 |
{
|
| 2529 |
const IOCTLEntry *ie;
|
| 2530 |
const argtype *arg_type;
|
| 2531 |
abi_long ret; |
| 2532 |
uint8_t buf_temp[MAX_STRUCT_SIZE]; |
| 2533 |
int target_size;
|
| 2534 |
void *argptr;
|
| 2535 |
|
| 2536 |
ie = ioctl_entries; |
| 2537 |
for(;;) {
|
| 2538 |
if (ie->target_cmd == 0) { |
| 2539 |
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
| 2540 |
return -TARGET_ENOSYS;
|
| 2541 |
} |
| 2542 |
if (ie->target_cmd == cmd)
|
| 2543 |
break;
|
| 2544 |
ie++; |
| 2545 |
} |
| 2546 |
arg_type = ie->arg_type; |
| 2547 |
#if defined(DEBUG)
|
| 2548 |
gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); |
| 2549 |
#endif
|
| 2550 |
switch(arg_type[0]) { |
| 2551 |
case TYPE_NULL:
|
| 2552 |
/* no argument */
|
| 2553 |
ret = get_errno(ioctl(fd, ie->host_cmd)); |
| 2554 |
break;
|
| 2555 |
case TYPE_PTRVOID:
|
| 2556 |
case TYPE_INT:
|
| 2557 |
/* int argment */
|
| 2558 |
ret = get_errno(ioctl(fd, ie->host_cmd, arg)); |
| 2559 |
break;
|
| 2560 |
case TYPE_PTR:
|
| 2561 |
arg_type++; |
| 2562 |
target_size = thunk_type_size(arg_type, 0);
|
| 2563 |
switch(ie->access) {
|
| 2564 |
case IOC_R:
|
| 2565 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| 2566 |
if (!is_error(ret)) {
|
| 2567 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
| 2568 |
if (!argptr)
|
| 2569 |
return -TARGET_EFAULT;
|
| 2570 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
| 2571 |
unlock_user(argptr, arg, target_size); |
| 2572 |
} |
| 2573 |
break;
|
| 2574 |
case IOC_W:
|
| 2575 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
| 2576 |
if (!argptr)
|
| 2577 |
return -TARGET_EFAULT;
|
| 2578 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
| 2579 |
unlock_user(argptr, arg, 0);
|
| 2580 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| 2581 |
break;
|
| 2582 |
default:
|
| 2583 |
case IOC_RW:
|
| 2584 |
argptr = lock_user(VERIFY_READ, arg, target_size, 1);
|
| 2585 |
if (!argptr)
|
| 2586 |
return -TARGET_EFAULT;
|
| 2587 |
thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
| 2588 |
unlock_user(argptr, arg, 0);
|
| 2589 |
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
| 2590 |
if (!is_error(ret)) {
|
| 2591 |
argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
|
| 2592 |
if (!argptr)
|
| 2593 |
return -TARGET_EFAULT;
|
| 2594 |
thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
| 2595 |
unlock_user(argptr, arg, target_size); |
| 2596 |
} |
| 2597 |
break;
|
| 2598 |
} |
| 2599 |
break;
|
| 2600 |
default:
|
| 2601 |
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
|
| 2602 |
(long)cmd, arg_type[0]); |
| 2603 |
ret = -TARGET_ENOSYS; |
| 2604 |
break;
|
| 2605 |
} |
| 2606 |
return ret;
|
| 2607 |
} |
| 2608 |
|
| 2609 |
static const bitmask_transtbl iflag_tbl[] = { |
| 2610 |
{ TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
|
| 2611 |
{ TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
|
| 2612 |
{ TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
|
| 2613 |
{ TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
|
| 2614 |
{ TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
|
| 2615 |
{ TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
|
| 2616 |
{ TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
|
| 2617 |
{ TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
|
| 2618 |
{ TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
|
| 2619 |
{ TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
|
| 2620 |
{ TARGET_IXON, TARGET_IXON, IXON, IXON },
|
| 2621 |
{ TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
|
| 2622 |
{ TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
|
| 2623 |
{ TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
|
| 2624 |
{ 0, 0, 0, 0 }
|
| 2625 |
}; |
| 2626 |
|
| 2627 |
static const bitmask_transtbl oflag_tbl[] = { |
| 2628 |
{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
|
| 2629 |
{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
|
| 2630 |
{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
|
| 2631 |
{ TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
|
| 2632 |
{ TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
|
| 2633 |
{ TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
|
| 2634 |
{ TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
|
| 2635 |
{ TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
|
| 2636 |
{ TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
|
| 2637 |
{ TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
|
| 2638 |
{ TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
|
| 2639 |
{ TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
|
| 2640 |
{ TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
|
| 2641 |
{ TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
|
| 2642 |
{ TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
|
| 2643 |
{ TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
|
| 2644 |
{ TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
|
| 2645 |
{ TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
|
| 2646 |
{ TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
|
| 2647 |
{ TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
|
| 2648 |
{ TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
|
| 2649 |
{ TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
|
| 2650 |
{ TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
|
| 2651 |
{ TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
|
| 2652 |
{ 0, 0, 0, 0 }
|
| 2653 |
}; |
| 2654 |
|
| 2655 |
static const bitmask_transtbl cflag_tbl[] = { |
| 2656 |
{ TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
|
| 2657 |
{ TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
|
| 2658 |
{ TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
|
| 2659 |
{ TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
|
| 2660 |
{ TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
|
| 2661 |
{ TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
|
| 2662 |
{ TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
|
| 2663 |
{ TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
|
| 2664 |
{ TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
|
| 2665 |
{ TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
|
| 2666 |
{ TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
|
| 2667 |
{ TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
|
| 2668 |
{ TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
|
| 2669 |
{ TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
|
| 2670 |
{ TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
|
| 2671 |
{ TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
|
| 2672 |
{ TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
|
| 2673 |
{ TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
|
| 2674 |
{ TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
|
| 2675 |
{ TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
|
| 2676 |
{ TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
|
| 2677 |
{ TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
|
| 2678 |
{ TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
|
| 2679 |
{ TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
|
| 2680 |
{ TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
|
| 2681 |
{ TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
|
| 2682 |
{ TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
|
| 2683 |
{ TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
|
| 2684 |
{ TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
|
| 2685 |
{ TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
|
| 2686 |
{ TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
|
| 2687 |
{ 0, 0, 0, 0 }
|
| 2688 |
}; |
| 2689 |
|
| 2690 |
static const bitmask_transtbl lflag_tbl[] = { |
| 2691 |
{ TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
|
| 2692 |
{ TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
|
| 2693 |
{ TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
|
| 2694 |
{ TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
|
| 2695 |
{ TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
|
| 2696 |
{ TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
|
| 2697 |
{ TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
|
| 2698 |
{ TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
|
| 2699 |
{ TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
|
| 2700 |
{ TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
|
| 2701 |
{ TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
|
| 2702 |
{ TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
|
| 2703 |
{ TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
|
| 2704 |
{ TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
|
| 2705 |
{ TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
|
| 2706 |
{ 0, 0, 0, 0 }
|
| 2707 |
}; |
| 2708 |
|
| 2709 |
static void target_to_host_termios (void *dst, const void *src) |
| 2710 |
{
|
| 2711 |
struct host_termios *host = dst;
|
| 2712 |
const struct target_termios *target = src; |
| 2713 |
|
| 2714 |
host->c_iflag = |
| 2715 |
target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
| 2716 |
host->c_oflag = |
| 2717 |
target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
| 2718 |
host->c_cflag = |
| 2719 |
target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
| 2720 |
host->c_lflag = |
| 2721 |
target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
| 2722 |
host->c_line = target->c_line; |
| 2723 |
|
| 2724 |
host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
| 2725 |
host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; |
| 2726 |
host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
| 2727 |
host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
| 2728 |
host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
| 2729 |
host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
| 2730 |
host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
| 2731 |
host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
| 2732 |
host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
| 2733 |
host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
| 2734 |
host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; |
| 2735 |
host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
| 2736 |
host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; |
| 2737 |
host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; |
| 2738 |
host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; |
| 2739 |
host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; |
| 2740 |
host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
| 2741 |
} |
| 2742 |
|
| 2743 |
static void host_to_target_termios (void *dst, const void *src) |
| 2744 |
{
|
| 2745 |
struct target_termios *target = dst;
|
| 2746 |
const struct host_termios *host = src; |
| 2747 |
|
| 2748 |
target->c_iflag = |
| 2749 |
tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
| 2750 |
target->c_oflag = |
| 2751 |
tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
| 2752 |
target->c_cflag = |
| 2753 |
tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
| 2754 |
target->c_lflag = |
| 2755 |
tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
| 2756 |
target->c_line = host->c_line; |
| 2757 |
|
| 2758 |
target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
| 2759 |
target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; |
| 2760 |
target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; |
| 2761 |
target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; |
| 2762 |
target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; |
| 2763 |
target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; |
| 2764 |
target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; |
| 2765 |
target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; |
| 2766 |
target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; |
| 2767 |
target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; |
| 2768 |
target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; |
| 2769 |
target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; |
| 2770 |
target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; |
| 2771 |
target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; |
| 2772 |
target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; |
| 2773 |
target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; |
| 2774 |
target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; |
| 2775 |
} |
| 2776 |
|
| 2777 |
static const StructEntry struct_termios_def = { |
| 2778 |
.convert = { host_to_target_termios, target_to_host_termios },
|
| 2779 |
.size = { sizeof(struct target_termios), sizeof(struct host_termios) },
|
| 2780 |
.align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
|
| 2781 |
}; |
| 2782 |
|
| 2783 |
static bitmask_transtbl mmap_flags_tbl[] = {
|
| 2784 |
{ TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
|
| 2785 |
{ TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
|
| 2786 |
{ TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
|
| 2787 |
{ TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
|
| 2788 |
{ TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
|
| 2789 |
{ TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
|
| 2790 |
{ TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
|
| 2791 |
{ TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
|
| 2792 |
{ 0, 0, 0, 0 }
|
| 2793 |
}; |
| 2794 |
|
| 2795 |
#if defined(TARGET_I386)
|
| 2796 |
|
| 2797 |
/* NOTE: there is really one LDT for all the threads */
|
| 2798 |
static uint8_t *ldt_table;
|
| 2799 |
|
| 2800 |
static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
| 2801 |
{
|
| 2802 |
int size;
|
| 2803 |
void *p;
|
| 2804 |
|
| 2805 |
if (!ldt_table)
|
| 2806 |
return 0; |
| 2807 |
size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; |
| 2808 |
if (size > bytecount)
|
| 2809 |
size = bytecount; |
| 2810 |
p = lock_user(VERIFY_WRITE, ptr, size, 0);
|
| 2811 |
if (!p)
|
| 2812 |
return -TARGET_EFAULT;
|
| 2813 |
/* ??? Should this by byteswapped? */
|
| 2814 |
memcpy(p, ldt_table, size); |
| 2815 |
unlock_user(p, ptr, size); |
| 2816 |
return size;
|
| 2817 |
} |
| 2818 |
|
| 2819 |
/* XXX: add locking support */
|
| 2820 |
static abi_long write_ldt(CPUX86State *env,
|
| 2821 |
abi_ulong ptr, unsigned long bytecount, int oldmode) |
| 2822 |
{
|
| 2823 |
struct target_modify_ldt_ldt_s ldt_info;
|
| 2824 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
| 2825 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
| 2826 |
int seg_not_present, useable, lm;
|
| 2827 |
uint32_t *lp, entry_1, entry_2; |
| 2828 |
|
| 2829 |
if (bytecount != sizeof(ldt_info)) |
| 2830 |
return -TARGET_EINVAL;
|
| 2831 |
if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
| 2832 |
return -TARGET_EFAULT;
|
| 2833 |
ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
| 2834 |
ldt_info.base_addr = tswapl(target_ldt_info->base_addr); |
| 2835 |
ldt_info.limit = tswap32(target_ldt_info->limit); |
| 2836 |
ldt_info.flags = tswap32(target_ldt_info->flags); |
| 2837 |
unlock_user_struct(target_ldt_info, ptr, 0);
|
| 2838 |
|
| 2839 |
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
|
| 2840 |
return -TARGET_EINVAL;
|
| 2841 |
seg_32bit = ldt_info.flags & 1;
|
| 2842 |
contents = (ldt_info.flags >> 1) & 3; |
| 2843 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
| 2844 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
| 2845 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
| 2846 |
useable = (ldt_info.flags >> 6) & 1; |
| 2847 |
#ifdef TARGET_ABI32
|
| 2848 |
lm = 0;
|
| 2849 |
#else
|
| 2850 |
lm = (ldt_info.flags >> 7) & 1; |
| 2851 |
#endif
|
| 2852 |
if (contents == 3) { |
| 2853 |
if (oldmode)
|
| 2854 |
return -TARGET_EINVAL;
|
| 2855 |
if (seg_not_present == 0) |
| 2856 |
return -TARGET_EINVAL;
|
| 2857 |
} |
| 2858 |
/* allocate the LDT */
|
| 2859 |
if (!ldt_table) {
|
| 2860 |
env->ldt.base = target_mmap(0,
|
| 2861 |
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, |
| 2862 |
PROT_READ|PROT_WRITE, |
| 2863 |
MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); |
| 2864 |
if (env->ldt.base == -1) |
| 2865 |
return -TARGET_ENOMEM;
|
| 2866 |
memset(g2h(env->ldt.base), 0,
|
| 2867 |
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
| 2868 |
env->ldt.limit = 0xffff;
|
| 2869 |
ldt_table = g2h(env->ldt.base); |
| 2870 |
} |
| 2871 |
|
| 2872 |
/* NOTE: same code as Linux kernel */
|
| 2873 |
/* Allow LDTs to be cleared by the user. */
|
| 2874 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
| 2875 |
if (oldmode ||
|
| 2876 |
(contents == 0 &&
|
| 2877 |
read_exec_only == 1 &&
|
| 2878 |
seg_32bit == 0 &&
|
| 2879 |
limit_in_pages == 0 &&
|
| 2880 |
seg_not_present == 1 &&
|
| 2881 |
useable == 0 )) {
|
| 2882 |
entry_1 = 0;
|
| 2883 |
entry_2 = 0;
|
| 2884 |
goto install;
|
| 2885 |
} |
| 2886 |
} |
| 2887 |
|
| 2888 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
| 2889 |
(ldt_info.limit & 0x0ffff);
|
| 2890 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
| 2891 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
| 2892 |
(ldt_info.limit & 0xf0000) |
|
| 2893 |
((read_exec_only ^ 1) << 9) | |
| 2894 |
(contents << 10) |
|
| 2895 |
((seg_not_present ^ 1) << 15) | |
| 2896 |
(seg_32bit << 22) |
|
| 2897 |
(limit_in_pages << 23) |
|
| 2898 |
(lm << 21) |
|
| 2899 |
0x7000;
|
| 2900 |
if (!oldmode)
|
| 2901 |
entry_2 |= (useable << 20);
|
| 2902 |
|
| 2903 |
/* Install the new entry ... */
|
| 2904 |
install:
|
| 2905 |
lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
|
| 2906 |
lp[0] = tswap32(entry_1);
|
| 2907 |
lp[1] = tswap32(entry_2);
|
| 2908 |
return 0; |
| 2909 |
} |
| 2910 |
|
| 2911 |
/* specific and weird i386 syscalls */
|
| 2912 |
static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
| 2913 |
unsigned long bytecount) |
| 2914 |
{
|
| 2915 |
abi_long ret; |
| 2916 |
|
| 2917 |
switch (func) {
|
| 2918 |
case 0: |
| 2919 |
ret = read_ldt(ptr, bytecount); |
| 2920 |
break;
|
| 2921 |
case 1: |
| 2922 |
ret = write_ldt(env, ptr, bytecount, 1);
|
| 2923 |
break;
|
| 2924 |
case 0x11: |
| 2925 |
ret = write_ldt(env, ptr, bytecount, 0);
|
| 2926 |
break;
|
| 2927 |
default:
|
| 2928 |
ret = -TARGET_ENOSYS; |
| 2929 |
break;
|
| 2930 |
} |
| 2931 |
return ret;
|
| 2932 |
} |
| 2933 |
|
| 2934 |
#if defined(TARGET_I386) && defined(TARGET_ABI32)
|
| 2935 |
static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
|
| 2936 |
{
|
| 2937 |
uint64_t *gdt_table = g2h(env->gdt.base); |
| 2938 |
struct target_modify_ldt_ldt_s ldt_info;
|
| 2939 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
| 2940 |
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
| 2941 |
int seg_not_present, useable, lm;
|
| 2942 |
uint32_t *lp, entry_1, entry_2; |
| 2943 |
int i;
|
| 2944 |
|
| 2945 |
lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
|
| 2946 |
if (!target_ldt_info)
|
| 2947 |
return -TARGET_EFAULT;
|
| 2948 |
ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
| 2949 |
ldt_info.base_addr = tswapl(target_ldt_info->base_addr); |
| 2950 |
ldt_info.limit = tswap32(target_ldt_info->limit); |
| 2951 |
ldt_info.flags = tswap32(target_ldt_info->flags); |
| 2952 |
if (ldt_info.entry_number == -1) { |
| 2953 |
for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
|
| 2954 |
if (gdt_table[i] == 0) { |
| 2955 |
ldt_info.entry_number = i; |
| 2956 |
target_ldt_info->entry_number = tswap32(i); |
| 2957 |
break;
|
| 2958 |
} |
| 2959 |
} |
| 2960 |
} |
| 2961 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
| 2962 |
|
| 2963 |
if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
|
| 2964 |
ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) |
| 2965 |
return -TARGET_EINVAL;
|
| 2966 |
seg_32bit = ldt_info.flags & 1;
|
| 2967 |
contents = (ldt_info.flags >> 1) & 3; |
| 2968 |
read_exec_only = (ldt_info.flags >> 3) & 1; |
| 2969 |
limit_in_pages = (ldt_info.flags >> 4) & 1; |
| 2970 |
seg_not_present = (ldt_info.flags >> 5) & 1; |
| 2971 |
useable = (ldt_info.flags >> 6) & 1; |
| 2972 |
#ifdef TARGET_ABI32
|
| 2973 |
lm = 0;
|
| 2974 |
#else
|
| 2975 |
lm = (ldt_info.flags >> 7) & 1; |
| 2976 |
#endif
|
| 2977 |
|
| 2978 |
if (contents == 3) { |
| 2979 |
if (seg_not_present == 0) |
| 2980 |
return -TARGET_EINVAL;
|
| 2981 |
} |
| 2982 |
|
| 2983 |
/* NOTE: same code as Linux kernel */
|
| 2984 |
/* Allow LDTs to be cleared by the user. */
|
| 2985 |
if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { |
| 2986 |
if ((contents == 0 && |
| 2987 |
read_exec_only == 1 &&
|
| 2988 |
seg_32bit == 0 &&
|
| 2989 |
limit_in_pages == 0 &&
|
| 2990 |
seg_not_present == 1 &&
|
| 2991 |
useable == 0 )) {
|
| 2992 |
entry_1 = 0;
|
| 2993 |
entry_2 = 0;
|
| 2994 |
goto install;
|
| 2995 |
} |
| 2996 |
} |
| 2997 |
|
| 2998 |
entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
| 2999 |
(ldt_info.limit & 0x0ffff);
|
| 3000 |
entry_2 = (ldt_info.base_addr & 0xff000000) |
|
| 3001 |
((ldt_info.base_addr & 0x00ff0000) >> 16) | |
| 3002 |
(ldt_info.limit & 0xf0000) |
|
| 3003 |
((read_exec_only ^ 1) << 9) | |
| 3004 |
(contents << 10) |
|
| 3005 |
((seg_not_present ^ 1) << 15) | |
| 3006 |
(seg_32bit << 22) |
|
| 3007 |
(limit_in_pages << 23) |
|
| 3008 |
(useable << 20) |
|
| 3009 |
(lm << 21) |
|
| 3010 |
0x7000;
|
| 3011 |
|
| 3012 |
/* Install the new entry ... */
|
| 3013 |
install:
|
| 3014 |
lp = (uint32_t *)(gdt_table + ldt_info.entry_number); |
| 3015 |
lp[0] = tswap32(entry_1);
|
| 3016 |
lp[1] = tswap32(entry_2);
|
| 3017 |
return 0; |
| 3018 |
} |
| 3019 |
|
| 3020 |
static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
|
| 3021 |
{
|
| 3022 |
struct target_modify_ldt_ldt_s *target_ldt_info;
|
| 3023 |
uint64_t *gdt_table = g2h(env->gdt.base); |
| 3024 |
uint32_t base_addr, limit, flags; |
| 3025 |
int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
|
| 3026 |
int seg_not_present, useable, lm;
|
| 3027 |
uint32_t *lp, entry_1, entry_2; |
| 3028 |
|
| 3029 |
lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
|
| 3030 |
if (!target_ldt_info)
|
| 3031 |
return -TARGET_EFAULT;
|
| 3032 |
idx = tswap32(target_ldt_info->entry_number); |
| 3033 |
if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
|
| 3034 |
idx > TARGET_GDT_ENTRY_TLS_MAX) {
|
| 3035 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
| 3036 |
return -TARGET_EINVAL;
|
| 3037 |
} |
| 3038 |
lp = (uint32_t *)(gdt_table + idx); |
| 3039 |
entry_1 = tswap32(lp[0]);
|
| 3040 |
entry_2 = tswap32(lp[1]);
|
| 3041 |
|
| 3042 |
read_exec_only = ((entry_2 >> 9) & 1) ^ 1; |
| 3043 |
contents = (entry_2 >> 10) & 3; |
| 3044 |
seg_not_present = ((entry_2 >> 15) & 1) ^ 1; |
| 3045 |
seg_32bit = (entry_2 >> 22) & 1; |
| 3046 |
limit_in_pages = (entry_2 >> 23) & 1; |
| 3047 |
useable = (entry_2 >> 20) & 1; |
| 3048 |
#ifdef TARGET_ABI32
|
| 3049 |
lm = 0;
|
| 3050 |
#else
|
| 3051 |
lm = (entry_2 >> 21) & 1; |
| 3052 |
#endif
|
| 3053 |
flags = (seg_32bit << 0) | (contents << 1) | |
| 3054 |
(read_exec_only << 3) | (limit_in_pages << 4) | |
| 3055 |
(seg_not_present << 5) | (useable << 6) | (lm << 7); |
| 3056 |
limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); |
| 3057 |
base_addr = (entry_1 >> 16) |
|
| 3058 |
(entry_2 & 0xff000000) |
|
| 3059 |
((entry_2 & 0xff) << 16); |
| 3060 |
target_ldt_info->base_addr = tswapl(base_addr); |
| 3061 |
target_ldt_info->limit = tswap32(limit); |
| 3062 |
target_ldt_info->flags = tswap32(flags); |
| 3063 |
unlock_user_struct(target_ldt_info, ptr, 1);
|
| 3064 |
return 0; |
| 3065 |
} |
| 3066 |
#endif /* TARGET_I386 && TARGET_ABI32 */ |
| 3067 |
|
| 3068 |
#ifndef TARGET_ABI32
|
| 3069 |
static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
| 3070 |
{
|
| 3071 |
abi_long ret; |
| 3072 |
abi_ulong val; |
| 3073 |
int idx;
|
| 3074 |
|
| 3075 |
switch(code) {
|
| 3076 |
case TARGET_ARCH_SET_GS:
|
| 3077 |
case TARGET_ARCH_SET_FS:
|
| 3078 |
if (code == TARGET_ARCH_SET_GS)
|
| 3079 |
idx = R_GS; |
| 3080 |
else
|
| 3081 |
idx = R_FS; |
| 3082 |
cpu_x86_load_seg(env, idx, 0);
|
| 3083 |
env->segs[idx].base = addr; |
| 3084 |
break;
|
| 3085 |
case TARGET_ARCH_GET_GS:
|
| 3086 |
case TARGET_ARCH_GET_FS:
|
| 3087 |
if (code == TARGET_ARCH_GET_GS)
|
| 3088 |
idx = R_GS; |
| 3089 |
else
|
| 3090 |
idx = R_FS; |
| 3091 |
val = env->segs[idx].base; |
| 3092 |
if (put_user(val, addr, abi_ulong))
|
| 3093 |
return -TARGET_EFAULT;
|
| 3094 |
break;
|
| 3095 |
default:
|
| 3096 |
ret = -TARGET_EINVAL; |
| 3097 |
break;
|
| 3098 |
} |
| 3099 |
return 0; |
| 3100 |
} |
| 3101 |
#endif
|
| 3102 |
|
| 3103 |
#endif /* defined(TARGET_I386) */ |
| 3104 |
|
| 3105 |
#if defined(USE_NPTL)
|
| 3106 |
|
| 3107 |
#define NEW_STACK_SIZE PTHREAD_STACK_MIN
|
| 3108 |
|
| 3109 |
static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
|
| 3110 |
typedef struct { |
| 3111 |
CPUState *env; |
| 3112 |
pthread_mutex_t mutex; |
| 3113 |
pthread_cond_t cond; |
| 3114 |
pthread_t thread; |
| 3115 |
uint32_t tid; |
| 3116 |
abi_ulong child_tidptr; |
| 3117 |
abi_ulong parent_tidptr; |
| 3118 |
sigset_t sigmask; |
| 3119 |
} new_thread_info; |
| 3120 |
|
| 3121 |
static void *clone_func(void *arg) |
| 3122 |
{
|
| 3123 |
new_thread_info *info = arg; |
| 3124 |
CPUState *env; |
| 3125 |
|
| 3126 |
env = info->env; |
| 3127 |
thread_env = env; |
| 3128 |
info->tid = gettid(); |
| 3129 |
if (info->child_tidptr)
|
| 3130 |
put_user_u32(info->tid, info->child_tidptr); |
| 3131 |
if (info->parent_tidptr)
|
| 3132 |
put_user_u32(info->tid, info->parent_tidptr); |
| 3133 |
/* Enable signals. */
|
| 3134 |
sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
|
| 3135 |
/* Signal to the parent that we're ready. */
|
| 3136 |
pthread_mutex_lock(&info->mutex); |
| 3137 |
pthread_cond_broadcast(&info->cond); |
| 3138 |
pthread_mutex_unlock(&info->mutex); |
| 3139 |
/* Wait until the parent has finshed initializing the tls state. */
|
| 3140 |
pthread_mutex_lock(&clone_lock); |
| 3141 |
pthread_mutex_unlock(&clone_lock); |
| 3142 |
cpu_loop(env); |
| 3143 |
/* never exits */
|
| 3144 |
return NULL; |
| 3145 |
} |
| 3146 |
#else
|
| 3147 |
/* this stack is the equivalent of the kernel stack associated with a
|
| 3148 |
thread/process */
|
| 3149 |
#define NEW_STACK_SIZE 8192 |
| 3150 |
|
| 3151 |
static int clone_func(void *arg) |
| 3152 |
{
|
| 3153 |
CPUState *env = arg; |
| 3154 |
cpu_loop(env); |
| 3155 |
/* never exits */
|
| 3156 |
return 0; |
| 3157 |
} |
| 3158 |
#endif
|
| 3159 |
|
| 3160 |
/* do_fork() Must return host values and target errnos (unlike most
|
| 3161 |
do_*() functions). */
|
| 3162 |
static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp, |
| 3163 |
abi_ulong parent_tidptr, target_ulong newtls, |
| 3164 |
abi_ulong child_tidptr) |
| 3165 |
{
|
| 3166 |
int ret;
|
| 3167 |
TaskState *ts; |
| 3168 |
uint8_t *new_stack; |
| 3169 |
CPUState *new_env; |
| 3170 |
#if defined(USE_NPTL)
|
| 3171 |
unsigned int nptl_flags; |
| 3172 |
sigset_t sigmask; |
| 3173 |
#endif
|
| 3174 |
|
| 3175 |
/* Emulate vfork() with fork() */
|
| 3176 |
if (flags & CLONE_VFORK)
|
| 3177 |
flags &= ~(CLONE_VFORK | CLONE_VM); |
| 3178 |
|
| 3179 |
if (flags & CLONE_VM) {
|
| 3180 |
#if defined(USE_NPTL)
|
| 3181 |
new_thread_info info; |
| 3182 |
pthread_attr_t attr; |
| 3183 |
#endif
|
| 3184 |
ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
|
| 3185 |
init_task_state(ts); |
| 3186 |
new_stack = ts->stack; |
| 3187 |
/* we create a new CPU instance. */
|
| 3188 |
new_env = cpu_copy(env); |
| 3189 |
/* Init regs that differ from the parent. */
|
| 3190 |
cpu_clone_regs(new_env, newsp); |
| 3191 |
new_env->opaque = ts; |
| 3192 |
#if defined(USE_NPTL)
|
| 3193 |
nptl_flags = flags; |
| 3194 |
flags &= ~CLONE_NPTL_FLAGS2; |
| 3195 |
|
| 3196 |
if (nptl_flags & CLONE_CHILD_CLEARTID) {
|
| 3197 |
ts->child_tidptr = child_tidptr; |
| 3198 |
} |
| 3199 |
|
| 3200 |
if (nptl_flags & CLONE_SETTLS)
|
| 3201 |
cpu_set_tls (new_env, newtls); |
| 3202 |
|
| 3203 |
/* Grab a mutex so that thread setup appears atomic. */
|
| 3204 |
pthread_mutex_lock(&clone_lock); |
| 3205 |
|
| 3206 |
memset(&info, 0, sizeof(info)); |
| 3207 |
pthread_mutex_init(&info.mutex, NULL);
|
| 3208 |
pthread_mutex_lock(&info.mutex); |
| 3209 |
pthread_cond_init(&info.cond, NULL);
|
| 3210 |
info.env = new_env; |
| 3211 |
if (nptl_flags & CLONE_CHILD_SETTID)
|
| 3212 |
info.child_tidptr = child_tidptr; |
| 3213 |
if (nptl_flags & CLONE_PARENT_SETTID)
|
| 3214 |
info.parent_tidptr = parent_tidptr; |
| 3215 |
|
| 3216 |
ret = pthread_attr_init(&attr); |
| 3217 |
ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE); |
| 3218 |
/* It is not safe to deliver signals until the child has finished
|
| 3219 |
initializing, so temporarily block all signals. */
|
| 3220 |
sigfillset(&sigmask); |
| 3221 |
sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); |
| 3222 |
|
| 3223 |
ret = pthread_create(&info.thread, &attr, clone_func, &info); |
| 3224 |
/* TODO: Free new CPU state if thread creation failed. */
|
| 3225 |
|
| 3226 |
sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
|
| 3227 |
pthread_attr_destroy(&attr); |
| 3228 |
if (ret == 0) { |
| 3229 |
/* Wait for the child to initialize. */
|
| 3230 |
pthread_cond_wait(&info.cond, &info.mutex); |
| 3231 |
ret = info.tid; |
| 3232 |
if (flags & CLONE_PARENT_SETTID)
|
| 3233 |
put_user_u32(ret, parent_tidptr); |
| 3234 |
} else {
|
| 3235 |
ret = -1;
|
| 3236 |
} |
| 3237 |
pthread_mutex_unlock(&info.mutex); |
| 3238 |
pthread_cond_destroy(&info.cond); |
| 3239 |
pthread_mutex_destroy(&info.mutex); |
| 3240 |
pthread_mutex_unlock(&clone_lock); |
| 3241 |
#else
|
| 3242 |
if (flags & CLONE_NPTL_FLAGS2)
|
| 3243 |
return -EINVAL;
|
| 3244 |
/* This is probably going to die very quickly, but do it anyway. */
|
| 3245 |
#ifdef __ia64__
|
| 3246 |
ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
| 3247 |
#else
|
| 3248 |
ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env); |
| 3249 |
#endif
|
| 3250 |
#endif
|
| 3251 |
} else {
|
| 3252 |
/* if no CLONE_VM, we consider it is a fork */
|
| 3253 |
if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) |
| 3254 |
return -EINVAL;
|
| 3255 |
fork_start(); |
| 3256 |
ret = fork(); |
| 3257 |
if (ret == 0) { |
| 3258 |
/* Child Process. */
|
| 3259 |
cpu_clone_regs(env, newsp); |
| 3260 |
fork_end(1);
|
| 3261 |
#if defined(USE_NPTL)
|
| 3262 |
/* There is a race condition here. The parent process could
|
| 3263 |
theoretically read the TID in the child process before the child
|
| 3264 |
tid is set. This would require using either ptrace
|
| 3265 |
(not implemented) or having *_tidptr to point at a shared memory
|
| 3266 |
mapping. We can't repeat the spinlock hack used above because
|
| 3267 |
the child process gets its own copy of the lock. */
|
| 3268 |
if (flags & CLONE_CHILD_SETTID)
|
| 3269 |
put_user_u32(gettid(), child_tidptr); |
| 3270 |
if (flags & CLONE_PARENT_SETTID)
|
| 3271 |
put_user_u32(gettid(), parent_tidptr); |
| 3272 |
ts = (TaskState *)env->opaque; |
| 3273 |
if (flags & CLONE_SETTLS)
|
| 3274 |
cpu_set_tls (env, newtls); |
| 3275 |
if (flags & CLONE_CHILD_CLEARTID)
|
| 3276 |
ts->child_tidptr = child_tidptr; |
| 3277 |
#endif
|
| 3278 |
} else {
|
| 3279 |
fork_end(0);
|
| 3280 |
} |
| 3281 |
} |
| 3282 |
return ret;
|
| 3283 |
} |
| 3284 |
|
| 3285 |
static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) |
| 3286 |
{
|
| 3287 |
struct flock fl;
|
| 3288 |
struct target_flock *target_fl;
|
| 3289 |
struct flock64 fl64;
|
| 3290 |
struct target_flock64 *target_fl64;
|
| 3291 |
abi_long ret; |
| 3292 |
|
| 3293 |
switch(cmd) {
|
| 3294 |
case TARGET_F_GETLK:
|
| 3295 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
| 3296 |
return -TARGET_EFAULT;
|
| 3297 |
fl.l_type = tswap16(target_fl->l_type); |
| 3298 |
fl.l_whence = tswap16(target_fl->l_whence); |
| 3299 |
fl.l_start = tswapl(target_fl->l_start); |
| 3300 |
fl.l_len = tswapl(target_fl->l_len); |
| 3301 |
fl.l_pid = tswapl(target_fl->l_pid); |
| 3302 |
unlock_user_struct(target_fl, arg, 0);
|
| 3303 |
ret = get_errno(fcntl(fd, cmd, &fl)); |
| 3304 |
if (ret == 0) { |
| 3305 |
if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) |
| 3306 |
return -TARGET_EFAULT;
|
| 3307 |
target_fl->l_type = tswap16(fl.l_type); |
| 3308 |
target_fl->l_whence = tswap16(fl.l_whence); |
| 3309 |
target_fl->l_start = tswapl(fl.l_start); |
| 3310 |
target_fl->l_len = tswapl(fl.l_len); |
| 3311 |
target_fl->l_pid = tswapl(fl.l_pid); |
| 3312 |
unlock_user_struct(target_fl, arg, 1);
|
| 3313 |
} |
| 3314 |
break;
|
| 3315 |
|
| 3316 |
case TARGET_F_SETLK:
|
| 3317 |
case TARGET_F_SETLKW:
|
| 3318 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
| 3319 |
return -TARGET_EFAULT;
|
| 3320 |
fl.l_type = tswap16(target_fl->l_type); |
| 3321 |
fl.l_whence = tswap16(target_fl->l_whence); |
| 3322 |
fl.l_start = tswapl(target_fl->l_start); |
| 3323 |
fl.l_len = tswapl(target_fl->l_len); |
| 3324 |
fl.l_pid = tswapl(target_fl->l_pid); |
| 3325 |
unlock_user_struct(target_fl, arg, 0);
|
| 3326 |
ret = get_errno(fcntl(fd, cmd, &fl)); |
| 3327 |
break;
|
| 3328 |
|
| 3329 |
case TARGET_F_GETLK64:
|
| 3330 |
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
| 3331 |
return -TARGET_EFAULT;
|
| 3332 |
fl64.l_type = tswap16(target_fl64->l_type) >> 1;
|
| 3333 |
fl64.l_whence = tswap16(target_fl64->l_whence); |
| 3334 |
fl64.l_start = tswapl(target_fl64->l_start); |
| 3335 |
fl64.l_len = tswapl(target_fl64->l_len); |
| 3336 |
fl64.l_pid = tswap16(target_fl64->l_pid); |
| 3337 |
unlock_user_struct(target_fl64, arg, 0);
|
| 3338 |
ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
|
| 3339 |
if (ret == 0) { |
| 3340 |
if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) |
| 3341 |
return -TARGET_EFAULT;
|
| 3342 |
target_fl64->l_type = tswap16(fl64.l_type) >> 1;
|
| 3343 |
target_fl64->l_whence = tswap16(fl64.l_whence); |
| 3344 |
target_fl64->l_start = tswapl(fl64.l_start); |
| 3345 |
target_fl64->l_len = tswapl(fl64.l_len); |
| 3346 |
target_fl64->l_pid = tswapl(fl64.l_pid); |
| 3347 |
unlock_user_struct(target_fl64, arg, 1);
|
| 3348 |
} |
| 3349 |
break;
|
| 3350 |
case TARGET_F_SETLK64:
|
| 3351 |
case TARGET_F_SETLKW64:
|
| 3352 |
if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
| 3353 |
return -TARGET_EFAULT;
|
| 3354 |
fl64.l_type = tswap16(target_fl64->l_type) >> 1;
|
| 3355 |
fl64.l_whence = tswap16(target_fl64->l_whence); |
| 3356 |
fl64.l_start = tswapl(target_fl64->l_start); |
| 3357 |
fl64.l_len = tswapl(target_fl64->l_len); |
| 3358 |
fl64.l_pid = tswap16(target_fl64->l_pid); |
| 3359 |
unlock_user_struct(target_fl64, arg, 0);
|
| 3360 |
ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
|
| 3361 |
break;
|
| 3362 |
|
| 3363 |
case F_GETFL:
|
| 3364 |
ret = get_errno(fcntl(fd, cmd, arg)); |
| 3365 |
if (ret >= 0) { |
| 3366 |
ret = host_to_target_bitmask(ret, fcntl_flags_tbl); |
| 3367 |
} |
| 3368 |
break;
|
| 3369 |
|
| 3370 |
case F_SETFL:
|
| 3371 |
ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); |
| 3372 |
break;
|
| 3373 |
|
| 3374 |
default:
|
| 3375 |
ret = get_errno(fcntl(fd, cmd, arg)); |
| 3376 |
break;
|
| 3377 |
} |
| 3378 |
return ret;
|
| 3379 |
} |
| 3380 |
|
| 3381 |
#ifdef USE_UID16
|
| 3382 |
|
| 3383 |
static inline int high2lowuid(int uid) |
| 3384 |
{
|
| 3385 |
if (uid > 65535) |
| 3386 |
return 65534; |
| 3387 |
else
|
| 3388 |
return uid;
|
| 3389 |
} |
| 3390 |
|
| 3391 |
static inline int high2lowgid(int gid) |
| 3392 |
{
|
| 3393 |
if (gid > 65535) |
| 3394 |
return 65534; |
| 3395 |
else
|
| 3396 |
return gid;
|
| 3397 |
} |
| 3398 |
|
| 3399 |
static inline int low2highuid(int uid) |
| 3400 |
{
|
| 3401 |
if ((int16_t)uid == -1) |
| 3402 |
return -1; |
| 3403 |
else
|
| 3404 |
return uid;
|
| 3405 |
} |
| 3406 |
|
| 3407 |
static inline int low2highgid(int gid) |
| 3408 |
{
|
| 3409 |
if ((int16_t)gid == -1) |
| 3410 |
return -1; |
| 3411 |
else
|
| 3412 |
return gid;
|
| 3413 |
} |
| 3414 |
|
| 3415 |
#endif /* USE_UID16 */ |
| 3416 |
|
| 3417 |
void syscall_init(void) |
| 3418 |
{
|
| 3419 |
IOCTLEntry *ie; |
| 3420 |
const argtype *arg_type;
|
| 3421 |
int size;
|
| 3422 |
int i;
|
| 3423 |
|
| 3424 |
#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
| 3425 |
#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
| 3426 |
#include "syscall_types.h" |
| 3427 |
#undef STRUCT
|
| 3428 |
#undef STRUCT_SPECIAL
|
| 3429 |
|
| 3430 |
/* we patch the ioctl size if necessary. We rely on the fact that
|
| 3431 |
no ioctl has all the bits at '1' in the size field */
|
| 3432 |
ie = ioctl_entries; |
| 3433 |
while (ie->target_cmd != 0) { |
| 3434 |
if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
|
| 3435 |
TARGET_IOC_SIZEMASK) {
|
| 3436 |
arg_type = ie->arg_type; |
| 3437 |
if (arg_type[0] != TYPE_PTR) { |
| 3438 |
fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
|
| 3439 |
ie->target_cmd); |
| 3440 |
exit(1);
|
| 3441 |
} |
| 3442 |
arg_type++; |
| 3443 |
size = thunk_type_size(arg_type, 0);
|
| 3444 |
ie->target_cmd = (ie->target_cmd & |
| 3445 |
~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
| 3446 |
(size << TARGET_IOC_SIZESHIFT); |
| 3447 |
} |
| 3448 |
|
| 3449 |
/* Build target_to_host_errno_table[] table from
|
| 3450 |
* host_to_target_errno_table[]. */
|
| 3451 |
for (i=0; i < ERRNO_TABLE_SIZE; i++) |
| 3452 |
target_to_host_errno_table[host_to_target_errno_table[i]] = i; |
| 3453 |
|
| 3454 |
/* automatic consistency check if same arch */
|
| 3455 |
#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
|
| 3456 |
(defined(__x86_64__) && defined(TARGET_X86_64)) |
| 3457 |
if (unlikely(ie->target_cmd != ie->host_cmd)) {
|
| 3458 |
fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
|
| 3459 |
ie->name, ie->target_cmd, ie->host_cmd); |
| 3460 |
} |
| 3461 |
#endif
|
| 3462 |
ie++; |
| 3463 |
} |
| 3464 |
} |
| 3465 |
|
| 3466 |
#if TARGET_ABI_BITS == 32 |
| 3467 |
static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
| 3468 |
{
|
| 3469 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 3470 |
return ((uint64_t)word0 << 32) | word1; |
| 3471 |
#else
|
| 3472 |
return ((uint64_t)word1 << 32) | word0; |
| 3473 |
#endif
|
| 3474 |
} |
| 3475 |
#else /* TARGET_ABI_BITS == 32 */ |
| 3476 |
static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
| 3477 |
{
|
| 3478 |
return word0;
|
| 3479 |
} |
| 3480 |
#endif /* TARGET_ABI_BITS != 32 */ |
| 3481 |
|
| 3482 |
#ifdef TARGET_NR_truncate64
|
| 3483 |
static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
| 3484 |
abi_long arg2, |
| 3485 |
abi_long arg3, |
| 3486 |
abi_long arg4) |
| 3487 |
{
|
| 3488 |
#ifdef TARGET_ARM
|
| 3489 |
if (((CPUARMState *)cpu_env)->eabi)
|
| 3490 |
{
|
| 3491 |
arg2 = arg3; |
| 3492 |
arg3 = arg4; |
| 3493 |
} |
| 3494 |
#endif
|
| 3495 |
return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
|
| 3496 |
} |
| 3497 |
#endif
|
| 3498 |
|
| 3499 |
#ifdef TARGET_NR_ftruncate64
|
| 3500 |
static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
| 3501 |
abi_long arg2, |
| 3502 |
abi_long arg3, |
| 3503 |
abi_long arg4) |
| 3504 |
{
|
| 3505 |
#ifdef TARGET_ARM
|
| 3506 |
if (((CPUARMState *)cpu_env)->eabi)
|
| 3507 |
{
|
| 3508 |
arg2 = arg3; |
| 3509 |
arg3 = arg4; |
| 3510 |
} |
| 3511 |
#endif
|
| 3512 |
return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
|
| 3513 |
} |
| 3514 |
#endif
|
| 3515 |
|
| 3516 |
static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
| 3517 |
abi_ulong target_addr) |
| 3518 |
{
|
| 3519 |
struct target_timespec *target_ts;
|
| 3520 |
|
| 3521 |
if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
| 3522 |
return -TARGET_EFAULT;
|
| 3523 |
host_ts->tv_sec = tswapl(target_ts->tv_sec); |
| 3524 |
host_ts->tv_nsec = tswapl(target_ts->tv_nsec); |
| 3525 |
unlock_user_struct(target_ts, target_addr, 0);
|
| 3526 |
return 0; |
| 3527 |
} |
| 3528 |
|
| 3529 |
static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
| 3530 |
struct timespec *host_ts)
|
| 3531 |
{
|
| 3532 |
struct target_timespec *target_ts;
|
| 3533 |
|
| 3534 |
if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
| 3535 |
return -TARGET_EFAULT;
|
| 3536 |
target_ts->tv_sec = tswapl(host_ts->tv_sec); |
| 3537 |
target_ts->tv_nsec = tswapl(host_ts->tv_nsec); |
| 3538 |
unlock_user_struct(target_ts, target_addr, 1);
|
| 3539 |
return 0; |
| 3540 |
} |
| 3541 |
|
| 3542 |
#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
|
| 3543 |
static inline abi_long host_to_target_stat64(void *cpu_env, |
| 3544 |
abi_ulong target_addr, |
| 3545 |
struct stat *host_st)
|
| 3546 |
{
|
| 3547 |
#ifdef TARGET_ARM
|
| 3548 |
if (((CPUARMState *)cpu_env)->eabi) {
|
| 3549 |
struct target_eabi_stat64 *target_st;
|
| 3550 |
|
| 3551 |
if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) |
| 3552 |
return -TARGET_EFAULT;
|
| 3553 |
memset(target_st, 0, sizeof(struct target_eabi_stat64)); |
| 3554 |
__put_user(host_st->st_dev, &target_st->st_dev); |
| 3555 |
__put_user(host_st->st_ino, &target_st->st_ino); |
| 3556 |
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
| 3557 |
__put_user(host_st->st_ino, &target_st->__st_ino); |
| 3558 |
#endif
|
| 3559 |
__put_user(host_st->st_mode, &target_st->st_mode); |
| 3560 |
__put_user(host_st->st_nlink, &target_st->st_nlink); |
| 3561 |
__put_user(host_st->st_uid, &target_st->st_uid); |
| 3562 |
__put_user(host_st->st_gid, &target_st->st_gid); |
| 3563 |
__put_user(host_st->st_rdev, &target_st->st_rdev); |
| 3564 |
__put_user(host_st->st_size, &target_st->st_size); |
| 3565 |
__put_user(host_st->st_blksize, &target_st->st_blksize); |
| 3566 |
__put_user(host_st->st_blocks, &target_st->st_blocks); |
| 3567 |
__put_user(host_st->st_atime, &target_st->target_st_atime); |
| 3568 |
__put_user(host_st->st_mtime, &target_st->target_st_mtime); |
| 3569 |
__put_user(host_st->st_ctime, &target_st->target_st_ctime); |
| 3570 |
unlock_user_struct(target_st, target_addr, 1);
|
| 3571 |
} else
|
| 3572 |
#endif
|
| 3573 |
{
|
| 3574 |
#if TARGET_LONG_BITS == 64 |
| 3575 |
struct target_stat *target_st;
|
| 3576 |
#else
|
| 3577 |
struct target_stat64 *target_st;
|
| 3578 |
#endif
|
| 3579 |
|
| 3580 |
if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) |
| 3581 |
return -TARGET_EFAULT;
|
| 3582 |
memset(target_st, 0, sizeof(*target_st)); |
| 3583 |
__put_user(host_st->st_dev, &target_st->st_dev); |
| 3584 |
__put_user(host_st->st_ino, &target_st->st_ino); |
| 3585 |
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
| 3586 |
__put_user(host_st->st_ino, &target_st->__st_ino); |
| 3587 |
#endif
|
| 3588 |
__put_user(host_st->st_mode, &target_st->st_mode); |
| 3589 |
__put_user(host_st->st_nlink, &target_st->st_nlink); |
| 3590 |
__put_user(host_st->st_uid, &target_st->st_uid); |
| 3591 |
__put_user(host_st->st_gid, &target_st->st_gid); |
| 3592 |
__put_user(host_st->st_rdev, &target_st->st_rdev); |
| 3593 |
/* XXX: better use of kernel struct */
|
| 3594 |
__put_user(host_st->st_size, &target_st->st_size); |
| 3595 |
__put_user(host_st->st_blksize, &target_st->st_blksize); |
| 3596 |
__put_user(host_st->st_blocks, &target_st->st_blocks); |
| 3597 |
__put_user(host_st->st_atime, &target_st->target_st_atime); |
| 3598 |
__put_user(host_st->st_mtime, &target_st->target_st_mtime); |
| 3599 |
__put_user(host_st->st_ctime, &target_st->target_st_ctime); |
| 3600 |
unlock_user_struct(target_st, target_addr, 1);
|
| 3601 |
} |
| 3602 |
|
| 3603 |
return 0; |
| 3604 |
} |
| 3605 |
#endif
|
| 3606 |
|
| 3607 |
#if defined(USE_NPTL)
|
| 3608 |
/* ??? Using host futex calls even when target atomic operations
|
| 3609 |
are not really atomic probably breaks things. However implementing
|
| 3610 |
futexes locally would make futexes shared between multiple processes
|
| 3611 |
tricky. However they're probably useless because guest atomic
|
| 3612 |
operations won't work either. */
|
| 3613 |
static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
| 3614 |
target_ulong uaddr2, int val3)
|
| 3615 |
{
|
| 3616 |
struct timespec ts, *pts;
|
| 3617 |
|
| 3618 |
/* ??? We assume FUTEX_* constants are the same on both host
|
| 3619 |
and target. */
|
| 3620 |
switch (op) {
|
| 3621 |
case FUTEX_WAIT:
|
| 3622 |
if (timeout) {
|
| 3623 |
pts = &ts; |
| 3624 |
target_to_host_timespec(pts, timeout); |
| 3625 |
} else {
|
| 3626 |
pts = NULL;
|
| 3627 |
} |
| 3628 |
return get_errno(sys_futex(g2h(uaddr), FUTEX_WAIT, tswap32(val),
|
| 3629 |
pts, NULL, 0)); |
| 3630 |
case FUTEX_WAKE:
|
| 3631 |
return get_errno(sys_futex(g2h(uaddr), FUTEX_WAKE, val, NULL, NULL, 0)); |
| 3632 |
case FUTEX_FD:
|
| 3633 |
return get_errno(sys_futex(g2h(uaddr), FUTEX_FD, val, NULL, NULL, 0)); |
| 3634 |
case FUTEX_REQUEUE:
|
| 3635 |
return get_errno(sys_futex(g2h(uaddr), FUTEX_REQUEUE, val,
|
| 3636 |
NULL, g2h(uaddr2), 0)); |
| 3637 |
case FUTEX_CMP_REQUEUE:
|
| 3638 |
return get_errno(sys_futex(g2h(uaddr), FUTEX_CMP_REQUEUE, val,
|
| 3639 |
NULL, g2h(uaddr2), tswap32(val3)));
|
| 3640 |
default:
|
| 3641 |
return -TARGET_ENOSYS;
|
| 3642 |
} |
| 3643 |
} |
| 3644 |
#endif
|
| 3645 |
|
| 3646 |
int get_osversion(void) |
| 3647 |
{
|
| 3648 |
static int osversion; |
| 3649 |
struct new_utsname buf;
|
| 3650 |
const char *s; |
| 3651 |
int i, n, tmp;
|
| 3652 |
if (osversion)
|
| 3653 |
return osversion;
|
| 3654 |
if (qemu_uname_release && *qemu_uname_release) {
|
| 3655 |
s = qemu_uname_release; |
| 3656 |
} else {
|
| 3657 |
if (sys_uname(&buf))
|
| 3658 |
return 0; |
| 3659 |
s = buf.release; |
| 3660 |
} |
| 3661 |
tmp = 0;
|
| 3662 |
for (i = 0; i < 3; i++) { |
| 3663 |
n = 0;
|
| 3664 |
while (*s >= '0' && *s <= '9') { |
| 3665 |
n *= 10;
|
| 3666 |
n += *s - '0';
|
| 3667 |
s++; |
| 3668 |
} |
| 3669 |
tmp = (tmp << 8) + n;
|
| 3670 |
if (*s == '.') |
| 3671 |
s++; |
| 3672 |
} |
| 3673 |
osversion = tmp; |
| 3674 |
return osversion;
|
| 3675 |
} |
| 3676 |
|
| 3677 |
/* do_syscall() should always have a single exit point at the end so
|
| 3678 |
that actions, such as logging of syscall results, can be performed.
|
| 3679 |
All errnos that do_syscall() returns must be -TARGET_<errcode>. */
|
| 3680 |
abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
| 3681 |
abi_long arg2, abi_long arg3, abi_long arg4, |
| 3682 |
abi_long arg5, abi_long arg6) |
| 3683 |
{
|
| 3684 |
abi_long ret; |
| 3685 |
struct stat st;
|
| 3686 |
struct statfs stfs;
|
| 3687 |
void *p;
|
| 3688 |
|
| 3689 |
#ifdef DEBUG
|
| 3690 |
gemu_log("syscall %d", num);
|
| 3691 |
#endif
|
| 3692 |
if(do_strace)
|
| 3693 |
print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); |
| 3694 |
|
| 3695 |
switch(num) {
|
| 3696 |
case TARGET_NR_exit:
|
| 3697 |
#ifdef USE_NPTL
|
| 3698 |
/* In old applications this may be used to implement _exit(2).
|
| 3699 |
However in threaded applictions it is used for thread termination,
|
| 3700 |
and _exit_group is used for application termination.
|
| 3701 |
Do thread termination if we have more then one thread. */
|
| 3702 |
/* FIXME: This probably breaks if a signal arrives. We should probably
|
| 3703 |
be disabling signals. */
|
| 3704 |
if (first_cpu->next_cpu) {
|
| 3705 |
CPUState **lastp; |
| 3706 |
CPUState *p; |
| 3707 |
|
| 3708 |
cpu_list_lock(); |
| 3709 |
lastp = &first_cpu; |
| 3710 |
p = first_cpu; |
| 3711 |
while (p && p != (CPUState *)cpu_env) {
|
| 3712 |
lastp = &p->next_cpu; |
| 3713 |
p = p->next_cpu; |
| 3714 |
} |
| 3715 |
/* If we didn't find the CPU for this thread then something is
|
| 3716 |
horribly wrong. */
|
| 3717 |
if (!p)
|
| 3718 |
abort(); |
| 3719 |
/* Remove the CPU from the list. */
|
| 3720 |
*lastp = p->next_cpu; |
| 3721 |
cpu_list_unlock(); |
| 3722 |
TaskState *ts = ((CPUState *)cpu_env)->opaque; |
| 3723 |
if (ts->child_tidptr) {
|
| 3724 |
put_user_u32(0, ts->child_tidptr);
|
| 3725 |
sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, |
| 3726 |
NULL, NULL, 0); |
| 3727 |
} |
| 3728 |
/* TODO: Free CPU state. */
|
| 3729 |
pthread_exit(NULL);
|
| 3730 |
} |
| 3731 |
#endif
|
| 3732 |
#ifdef HAVE_GPROF
|
| 3733 |
_mcleanup(); |
| 3734 |
#endif
|
| 3735 |
gdb_exit(cpu_env, arg1); |
| 3736 |
_exit(arg1); |
| 3737 |
ret = 0; /* avoid warning */ |
| 3738 |
break;
|
| 3739 |
case TARGET_NR_read:
|
| 3740 |
if (arg3 == 0) |
| 3741 |
ret = 0;
|
| 3742 |
else {
|
| 3743 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
| 3744 |
goto efault;
|
| 3745 |
ret = get_errno(read(arg1, p, arg3)); |
| 3746 |
unlock_user(p, arg2, ret); |
| 3747 |
} |
| 3748 |
break;
|
| 3749 |
case TARGET_NR_write:
|
| 3750 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
| 3751 |
goto efault;
|
| 3752 |
ret = get_errno(write(arg1, p, arg3)); |
| 3753 |
unlock_user(p, arg2, 0);
|
| 3754 |
break;
|
| 3755 |
case TARGET_NR_open:
|
| 3756 |
if (!(p = lock_user_string(arg1)))
|
| 3757 |
goto efault;
|
| 3758 |
ret = get_errno(open(path(p), |
| 3759 |
target_to_host_bitmask(arg2, fcntl_flags_tbl), |
| 3760 |
arg3)); |
| 3761 |
unlock_user(p, arg1, 0);
|
| 3762 |
break;
|
| 3763 |
#if defined(TARGET_NR_openat) && defined(__NR_openat)
|
| 3764 |
case TARGET_NR_openat:
|
| 3765 |
if (!(p = lock_user_string(arg2)))
|
| 3766 |
goto efault;
|
| 3767 |
ret = get_errno(sys_openat(arg1, |
| 3768 |
path(p), |
| 3769 |
target_to_host_bitmask(arg3, fcntl_flags_tbl), |
| 3770 |
arg4)); |
| 3771 |
unlock_user(p, arg2, 0);
|
| 3772 |
break;
|
| 3773 |
#endif
|
| 3774 |
case TARGET_NR_close:
|
| 3775 |
ret = get_errno(close(arg1)); |
| 3776 |
break;
|
| 3777 |
case TARGET_NR_brk:
|
| 3778 |
ret = do_brk(arg1); |
| 3779 |
break;
|
| 3780 |
case TARGET_NR_fork:
|
| 3781 |
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0)); |
| 3782 |
break;
|
| 3783 |
#ifdef TARGET_NR_waitpid
|
| 3784 |
case TARGET_NR_waitpid:
|
| 3785 |
{
|
| 3786 |
int status;
|
| 3787 |
ret = get_errno(waitpid(arg1, &status, arg3)); |
| 3788 |
if (!is_error(ret) && arg2
|
| 3789 |
&& put_user_s32(status, arg2)) |
| 3790 |
goto efault;
|
| 3791 |
} |
| 3792 |
break;
|
| 3793 |
#endif
|
| 3794 |
#ifdef TARGET_NR_waitid
|
| 3795 |
case TARGET_NR_waitid:
|
| 3796 |
{
|
| 3797 |
siginfo_t info; |
| 3798 |
info.si_pid = 0;
|
| 3799 |
ret = get_errno(waitid(arg1, arg2, &info, arg4)); |
| 3800 |
if (!is_error(ret) && arg3 && info.si_pid != 0) { |
| 3801 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
| 3802 |
goto efault;
|
| 3803 |
host_to_target_siginfo(p, &info); |
| 3804 |
unlock_user(p, arg3, sizeof(target_siginfo_t));
|
| 3805 |
} |
| 3806 |
} |
| 3807 |
break;
|
| 3808 |
#endif
|
| 3809 |
#ifdef TARGET_NR_creat /* not on alpha */ |
| 3810 |
case TARGET_NR_creat:
|
| 3811 |
if (!(p = lock_user_string(arg1)))
|
| 3812 |
goto efault;
|
| 3813 |
ret = get_errno(creat(p, arg2)); |
| 3814 |
unlock_user(p, arg1, 0);
|
| 3815 |
break;
|
| 3816 |
#endif
|
| 3817 |
case TARGET_NR_link:
|
| 3818 |
{
|
| 3819 |
void * p2;
|
| 3820 |
p = lock_user_string(arg1); |
| 3821 |
p2 = lock_user_string(arg2); |
| 3822 |
if (!p || !p2)
|
| 3823 |
ret = -TARGET_EFAULT; |
| 3824 |
else
|
| 3825 |
ret = get_errno(link(p, p2)); |
| 3826 |
unlock_user(p2, arg2, 0);
|
| 3827 |
unlock_user(p, arg1, 0);
|
| 3828 |
} |
| 3829 |
break;
|
| 3830 |
#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
|
| 3831 |
case TARGET_NR_linkat:
|
| 3832 |
{
|
| 3833 |
void * p2 = NULL; |
| 3834 |
if (!arg2 || !arg4)
|
| 3835 |
goto efault;
|
| 3836 |
p = lock_user_string(arg2); |
| 3837 |
p2 = lock_user_string(arg4); |
| 3838 |
if (!p || !p2)
|
| 3839 |
ret = -TARGET_EFAULT; |
| 3840 |
else
|
| 3841 |
ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5)); |
| 3842 |
unlock_user(p, arg2, 0);
|
| 3843 |
unlock_user(p2, arg4, 0);
|
| 3844 |
} |
| 3845 |
break;
|
| 3846 |
#endif
|
| 3847 |
case TARGET_NR_unlink:
|
| 3848 |
if (!(p = lock_user_string(arg1)))
|
| 3849 |
goto efault;
|
| 3850 |
ret = get_errno(unlink(p)); |
| 3851 |
unlock_user(p, arg1, 0);
|
| 3852 |
break;
|
| 3853 |
#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
|
| 3854 |
case TARGET_NR_unlinkat:
|
| 3855 |
if (!(p = lock_user_string(arg2)))
|
| 3856 |
goto efault;
|
| 3857 |
ret = get_errno(sys_unlinkat(arg1, p, arg3)); |
| 3858 |
unlock_user(p, arg2, 0);
|
| 3859 |
break;
|
| 3860 |
#endif
|
| 3861 |
case TARGET_NR_execve:
|
| 3862 |
{
|
| 3863 |
char **argp, **envp;
|
| 3864 |
int argc, envc;
|
| 3865 |
abi_ulong gp; |
| 3866 |
abi_ulong guest_argp; |
| 3867 |
abi_ulong guest_envp; |
| 3868 |
abi_ulong addr; |
| 3869 |
char **q;
|
| 3870 |
|
| 3871 |
argc = 0;
|
| 3872 |
guest_argp = arg2; |
| 3873 |
for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
| 3874 |
if (get_user_ual(addr, gp))
|
| 3875 |
goto efault;
|
| 3876 |
if (!addr)
|
| 3877 |
break;
|
| 3878 |
argc++; |
| 3879 |
} |
| 3880 |
envc = 0;
|
| 3881 |
guest_envp = arg3; |
| 3882 |
for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
| 3883 |
if (get_user_ual(addr, gp))
|
| 3884 |
goto efault;
|
| 3885 |
if (!addr)
|
| 3886 |
break;
|
| 3887 |
envc++; |
| 3888 |
} |
| 3889 |
|
| 3890 |
argp = alloca((argc + 1) * sizeof(void *)); |
| 3891 |
envp = alloca((envc + 1) * sizeof(void *)); |
| 3892 |
|
| 3893 |
for (gp = guest_argp, q = argp; gp;
|
| 3894 |
gp += sizeof(abi_ulong), q++) {
|
| 3895 |
if (get_user_ual(addr, gp))
|
| 3896 |
goto execve_efault;
|
| 3897 |
if (!addr)
|
| 3898 |
break;
|
| 3899 |
if (!(*q = lock_user_string(addr)))
|
| 3900 |
goto execve_efault;
|
| 3901 |
} |
| 3902 |
*q = NULL;
|
| 3903 |
|
| 3904 |
for (gp = guest_envp, q = envp; gp;
|
| 3905 |
gp += sizeof(abi_ulong), q++) {
|
| 3906 |
if (get_user_ual(addr, gp))
|
| 3907 |
goto execve_efault;
|
| 3908 |
if (!addr)
|
| 3909 |
break;
|
| 3910 |
if (!(*q = lock_user_string(addr)))
|
| 3911 |
goto execve_efault;
|
| 3912 |
} |
| 3913 |
*q = NULL;
|
| 3914 |
|
| 3915 |
if (!(p = lock_user_string(arg1)))
|
| 3916 |
goto execve_efault;
|
| 3917 |
ret = get_errno(execve(p, argp, envp)); |
| 3918 |
unlock_user(p, arg1, 0);
|
| 3919 |
|
| 3920 |
goto execve_end;
|
| 3921 |
|
| 3922 |
execve_efault:
|
| 3923 |
ret = -TARGET_EFAULT; |
| 3924 |
|
| 3925 |
execve_end:
|
| 3926 |
for (gp = guest_argp, q = argp; *q;
|
| 3927 |
gp += sizeof(abi_ulong), q++) {
|
| 3928 |
if (get_user_ual(addr, gp)
|
| 3929 |
|| !addr) |
| 3930 |
break;
|
| 3931 |
unlock_user(*q, addr, 0);
|
| 3932 |
} |
| 3933 |
for (gp = guest_envp, q = envp; *q;
|
| 3934 |
gp += sizeof(abi_ulong), q++) {
|
| 3935 |
if (get_user_ual(addr, gp)
|
| 3936 |
|| !addr) |
| 3937 |
break;
|
| 3938 |
unlock_user(*q, addr, 0);
|
| 3939 |
} |
| 3940 |
} |
| 3941 |
break;
|
| 3942 |
case TARGET_NR_chdir:
|
| 3943 |
if (!(p = lock_user_string(arg1)))
|
| 3944 |
goto efault;
|
| 3945 |
ret = get_errno(chdir(p)); |
| 3946 |
unlock_user(p, arg1, 0);
|
| 3947 |
break;
|
| 3948 |
#ifdef TARGET_NR_time
|
| 3949 |
case TARGET_NR_time:
|
| 3950 |
{
|
| 3951 |
time_t host_time; |
| 3952 |
ret = get_errno(time(&host_time)); |
| 3953 |
if (!is_error(ret)
|
| 3954 |
&& arg1 |
| 3955 |
&& put_user_sal(host_time, arg1)) |
| 3956 |
goto efault;
|
| 3957 |
} |
| 3958 |
break;
|
| 3959 |
#endif
|
| 3960 |
case TARGET_NR_mknod:
|
| 3961 |
if (!(p = lock_user_string(arg1)))
|
| 3962 |
goto efault;
|
| 3963 |
ret = get_errno(mknod(p, arg2, arg3)); |
| 3964 |
unlock_user(p, arg1, 0);
|
| 3965 |
break;
|
| 3966 |
#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
|
| 3967 |
case TARGET_NR_mknodat:
|
| 3968 |
if (!(p = lock_user_string(arg2)))
|
| 3969 |
goto efault;
|
| 3970 |
ret = get_errno(sys_mknodat(arg1, p, arg3, arg4)); |
| 3971 |
unlock_user(p, arg2, 0);
|
| 3972 |
break;
|
| 3973 |
#endif
|
| 3974 |
case TARGET_NR_chmod:
|
| 3975 |
if (!(p = lock_user_string(arg1)))
|
| 3976 |
goto efault;
|
| 3977 |
ret = get_errno(chmod(p, arg2)); |
| 3978 |
unlock_user(p, arg1, 0);
|
| 3979 |
break;
|
| 3980 |
#ifdef TARGET_NR_break
|
| 3981 |
case TARGET_NR_break:
|
| 3982 |
goto unimplemented;
|
| 3983 |
#endif
|
| 3984 |
#ifdef TARGET_NR_oldstat
|
| 3985 |
case TARGET_NR_oldstat:
|
| 3986 |
goto unimplemented;
|
| 3987 |
#endif
|
| 3988 |
case TARGET_NR_lseek:
|
| 3989 |
ret = get_errno(lseek(arg1, arg2, arg3)); |
| 3990 |
break;
|
| 3991 |
#ifdef TARGET_NR_getxpid
|
| 3992 |
case TARGET_NR_getxpid:
|
| 3993 |
#else
|
| 3994 |
case TARGET_NR_getpid:
|
| 3995 |
#endif
|
| 3996 |
ret = get_errno(getpid()); |
| 3997 |
break;
|
| 3998 |
case TARGET_NR_mount:
|
| 3999 |
{
|
| 4000 |
/* need to look at the data field */
|
| 4001 |
void *p2, *p3;
|
| 4002 |
p = lock_user_string(arg1); |
| 4003 |
p2 = lock_user_string(arg2); |
| 4004 |
p3 = lock_user_string(arg3); |
| 4005 |
if (!p || !p2 || !p3)
|
| 4006 |
ret = -TARGET_EFAULT; |
| 4007 |
else
|
| 4008 |
/* FIXME - arg5 should be locked, but it isn't clear how to
|
| 4009 |
* do that since it's not guaranteed to be a NULL-terminated
|
| 4010 |
* string.
|
| 4011 |
*/
|
| 4012 |
ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5))); |
| 4013 |
unlock_user(p, arg1, 0);
|
| 4014 |
unlock_user(p2, arg2, 0);
|
| 4015 |
unlock_user(p3, arg3, 0);
|
| 4016 |
break;
|
| 4017 |
} |
| 4018 |
#ifdef TARGET_NR_umount
|
| 4019 |
case TARGET_NR_umount:
|
| 4020 |
if (!(p = lock_user_string(arg1)))
|
| 4021 |
goto efault;
|
| 4022 |
ret = get_errno(umount(p)); |
| 4023 |
unlock_user(p, arg1, 0);
|
| 4024 |
break;
|
| 4025 |
#endif
|
| 4026 |
#ifdef TARGET_NR_stime /* not on alpha */ |
| 4027 |
case TARGET_NR_stime:
|
| 4028 |
{
|
| 4029 |
time_t host_time; |
| 4030 |
if (get_user_sal(host_time, arg1))
|
| 4031 |
goto efault;
|
| 4032 |
ret = get_errno(stime(&host_time)); |
| 4033 |
} |
| 4034 |
break;
|
| 4035 |
#endif
|
| 4036 |
case TARGET_NR_ptrace:
|
| 4037 |
goto unimplemented;
|
| 4038 |
#ifdef TARGET_NR_alarm /* not on alpha */ |
| 4039 |
case TARGET_NR_alarm:
|
| 4040 |
ret = alarm(arg1); |
| 4041 |
break;
|
| 4042 |
#endif
|
| 4043 |
#ifdef TARGET_NR_oldfstat
|
| 4044 |
case TARGET_NR_oldfstat:
|
| 4045 |
goto unimplemented;
|
| 4046 |
#endif
|
| 4047 |
#ifdef TARGET_NR_pause /* not on alpha */ |
| 4048 |
case TARGET_NR_pause:
|
| 4049 |
ret = get_errno(pause()); |
| 4050 |
break;
|
| 4051 |
#endif
|
| 4052 |
#ifdef TARGET_NR_utime
|
| 4053 |
case TARGET_NR_utime:
|
| 4054 |
{
|
| 4055 |
struct utimbuf tbuf, *host_tbuf;
|
| 4056 |
struct target_utimbuf *target_tbuf;
|
| 4057 |
if (arg2) {
|
| 4058 |
if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
| 4059 |
goto efault;
|
| 4060 |
tbuf.actime = tswapl(target_tbuf->actime); |
| 4061 |
tbuf.modtime = tswapl(target_tbuf->modtime); |
| 4062 |
unlock_user_struct(target_tbuf, arg2, 0);
|
| 4063 |
host_tbuf = &tbuf; |
| 4064 |
} else {
|
| 4065 |
host_tbuf = NULL;
|
| 4066 |
} |
| 4067 |
if (!(p = lock_user_string(arg1)))
|
| 4068 |
goto efault;
|
| 4069 |
ret = get_errno(utime(p, host_tbuf)); |
| 4070 |
unlock_user(p, arg1, 0);
|
| 4071 |
} |
| 4072 |
break;
|
| 4073 |
#endif
|
| 4074 |
case TARGET_NR_utimes:
|
| 4075 |
{
|
| 4076 |
struct timeval *tvp, tv[2]; |
| 4077 |
if (arg2) {
|
| 4078 |
if (copy_from_user_timeval(&tv[0], arg2) |
| 4079 |
|| copy_from_user_timeval(&tv[1],
|
| 4080 |
arg2 + sizeof(struct target_timeval))) |
| 4081 |
goto efault;
|
| 4082 |
tvp = tv; |
| 4083 |
} else {
|
| 4084 |
tvp = NULL;
|
| 4085 |
} |
| 4086 |
if (!(p = lock_user_string(arg1)))
|
| 4087 |
goto efault;
|
| 4088 |
ret = get_errno(utimes(p, tvp)); |
| 4089 |
unlock_user(p, arg1, 0);
|
| 4090 |
} |
| 4091 |
break;
|
| 4092 |
#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
|
| 4093 |
case TARGET_NR_futimesat:
|
| 4094 |
{
|
| 4095 |
struct timeval *tvp, tv[2]; |
| 4096 |
if (arg3) {
|
| 4097 |
if (copy_from_user_timeval(&tv[0], arg3) |
| 4098 |
|| copy_from_user_timeval(&tv[1],
|
| 4099 |
arg3 + sizeof(struct target_timeval))) |
| 4100 |
goto efault;
|
| 4101 |
tvp = tv; |
| 4102 |
} else {
|
| 4103 |
tvp = NULL;
|
| 4104 |
} |
| 4105 |
if (!(p = lock_user_string(arg2)))
|
| 4106 |
goto efault;
|
| 4107 |
ret = get_errno(sys_futimesat(arg1, path(p), tvp)); |
| 4108 |
unlock_user(p, arg2, 0);
|
| 4109 |
} |
| 4110 |
break;
|
| 4111 |
#endif
|
| 4112 |
#ifdef TARGET_NR_stty
|
| 4113 |
case TARGET_NR_stty:
|
| 4114 |
goto unimplemented;
|
| 4115 |
#endif
|
| 4116 |
#ifdef TARGET_NR_gtty
|
| 4117 |
case TARGET_NR_gtty:
|
| 4118 |
goto unimplemented;
|
| 4119 |
#endif
|
| 4120 |
case TARGET_NR_access:
|
| 4121 |
if (!(p = lock_user_string(arg1)))
|
| 4122 |
goto efault;
|
| 4123 |
ret = get_errno(access(p, arg2)); |
| 4124 |
unlock_user(p, arg1, 0);
|
| 4125 |
break;
|
| 4126 |
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
|
| 4127 |
case TARGET_NR_faccessat:
|
| 4128 |
if (!(p = lock_user_string(arg2)))
|
| 4129 |
goto efault;
|
| 4130 |
ret = get_errno(sys_faccessat(arg1, p, arg3, arg4)); |
| 4131 |
unlock_user(p, arg2, 0);
|
| 4132 |
break;
|
| 4133 |
#endif
|
| 4134 |
#ifdef TARGET_NR_nice /* not on alpha */ |
| 4135 |
case TARGET_NR_nice:
|
| 4136 |
ret = get_errno(nice(arg1)); |
| 4137 |
break;
|
| 4138 |
#endif
|
| 4139 |
#ifdef TARGET_NR_ftime
|
| 4140 |
case TARGET_NR_ftime:
|
| 4141 |
goto unimplemented;
|
| 4142 |
#endif
|
| 4143 |
case TARGET_NR_sync:
|
| 4144 |
sync(); |
| 4145 |
ret = 0;
|
| 4146 |
break;
|
| 4147 |
case TARGET_NR_kill:
|
| 4148 |
ret = get_errno(kill(arg1, target_to_host_signal(arg2))); |
| 4149 |
break;
|
| 4150 |
case TARGET_NR_rename:
|
| 4151 |
{
|
| 4152 |
void *p2;
|
| 4153 |
p = lock_user_string(arg1); |
| 4154 |
p2 = lock_user_string(arg2); |
| 4155 |
if (!p || !p2)
|
| 4156 |
ret = -TARGET_EFAULT; |
| 4157 |
else
|
| 4158 |
ret = get_errno(rename(p, p2)); |
| 4159 |
unlock_user(p2, arg2, 0);
|
| 4160 |
unlock_user(p, arg1, 0);
|
| 4161 |
} |
| 4162 |
break;
|
| 4163 |
#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
|
| 4164 |
case TARGET_NR_renameat:
|
| 4165 |
{
|
| 4166 |
void *p2;
|
| 4167 |
p = lock_user_string(arg2); |
| 4168 |
p2 = lock_user_string(arg4); |
| 4169 |
if (!p || !p2)
|
| 4170 |
ret = -TARGET_EFAULT; |
| 4171 |
else
|
| 4172 |
ret = get_errno(sys_renameat(arg1, p, arg3, p2)); |
| 4173 |
unlock_user(p2, arg4, 0);
|
| 4174 |
unlock_user(p, arg2, 0);
|
| 4175 |
} |
| 4176 |
break;
|
| 4177 |
#endif
|
| 4178 |
case TARGET_NR_mkdir:
|
| 4179 |
if (!(p = lock_user_string(arg1)))
|
| 4180 |
goto efault;
|
| 4181 |
ret = get_errno(mkdir(p, arg2)); |
| 4182 |
unlock_user(p, arg1, 0);
|
| 4183 |
break;
|
| 4184 |
#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
|
| 4185 |
case TARGET_NR_mkdirat:
|
| 4186 |
if (!(p = lock_user_string(arg2)))
|
| 4187 |
goto efault;
|
| 4188 |
ret = get_errno(sys_mkdirat(arg1, p, arg3)); |
| 4189 |
unlock_user(p, arg2, 0);
|
| 4190 |
break;
|
| 4191 |
#endif
|
| 4192 |
case TARGET_NR_rmdir:
|
| 4193 |
if (!(p = lock_user_string(arg1)))
|
| 4194 |
goto efault;
|
| 4195 |
ret = get_errno(rmdir(p)); |
| 4196 |
unlock_user(p, arg1, 0);
|
| 4197 |
break;
|
| 4198 |
case TARGET_NR_dup:
|
| 4199 |
ret = get_errno(dup(arg1)); |
| 4200 |
break;
|
| 4201 |
case TARGET_NR_pipe:
|
| 4202 |
{
|
| 4203 |
int host_pipe[2]; |
| 4204 |
ret = get_errno(pipe(host_pipe)); |
| 4205 |
if (!is_error(ret)) {
|
| 4206 |
#if defined(TARGET_MIPS)
|
| 4207 |
CPUMIPSState *env = (CPUMIPSState*)cpu_env; |
| 4208 |
env->active_tc.gpr[3] = host_pipe[1]; |
| 4209 |
ret = host_pipe[0];
|
| 4210 |
#elif defined(TARGET_SH4)
|
| 4211 |
((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
| 4212 |
ret = host_pipe[0];
|
| 4213 |
#else
|
| 4214 |
if (put_user_s32(host_pipe[0], arg1) |
| 4215 |
|| put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0]))) |
| 4216 |
goto efault;
|
| 4217 |
#endif
|
| 4218 |
} |
| 4219 |
} |
| 4220 |
break;
|
| 4221 |
case TARGET_NR_times:
|
| 4222 |
{
|
| 4223 |
struct target_tms *tmsp;
|
| 4224 |
struct tms tms;
|
| 4225 |
ret = get_errno(times(&tms)); |
| 4226 |
if (arg1) {
|
| 4227 |
tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
| 4228 |
if (!tmsp)
|
| 4229 |
goto efault;
|
| 4230 |
tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime)); |
| 4231 |
tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime)); |
| 4232 |
tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime)); |
| 4233 |
tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime)); |
| 4234 |
} |
| 4235 |
if (!is_error(ret))
|
| 4236 |
ret = host_to_target_clock_t(ret); |
| 4237 |
} |
| 4238 |
break;
|
| 4239 |
#ifdef TARGET_NR_prof
|
| 4240 |
case TARGET_NR_prof:
|
| 4241 |
goto unimplemented;
|
| 4242 |
#endif
|
| 4243 |
#ifdef TARGET_NR_signal
|
| 4244 |
case TARGET_NR_signal:
|
| 4245 |
goto unimplemented;
|
| 4246 |
#endif
|
| 4247 |
case TARGET_NR_acct:
|
| 4248 |
if (arg1 == 0) { |
| 4249 |
ret = get_errno(acct(NULL));
|
| 4250 |
} else {
|
| 4251 |
if (!(p = lock_user_string(arg1)))
|
| 4252 |
goto efault;
|
| 4253 |
ret = get_errno(acct(path(p))); |
| 4254 |
unlock_user(p, arg1, 0);
|
| 4255 |
} |
| 4256 |
break;
|
| 4257 |
#ifdef TARGET_NR_umount2 /* not on alpha */ |
| 4258 |
case TARGET_NR_umount2:
|
| 4259 |
if (!(p = lock_user_string(arg1)))
|
| 4260 |
goto efault;
|
| 4261 |
ret = get_errno(umount2(p, arg2)); |
| 4262 |
unlock_user(p, arg1, 0);
|
| 4263 |
break;
|
| 4264 |
#endif
|
| 4265 |
#ifdef TARGET_NR_lock
|
| 4266 |
case TARGET_NR_lock:
|
| 4267 |
goto unimplemented;
|
| 4268 |
#endif
|
| 4269 |
case TARGET_NR_ioctl:
|
| 4270 |
ret = do_ioctl(arg1, arg2, arg3); |
| 4271 |
break;
|
| 4272 |
case TARGET_NR_fcntl:
|
| 4273 |
ret = do_fcntl(arg1, arg2, arg3); |
| 4274 |
break;
|
| 4275 |
#ifdef TARGET_NR_mpx
|
| 4276 |
case TARGET_NR_mpx:
|
| 4277 |
goto unimplemented;
|
| 4278 |
#endif
|
| 4279 |
case TARGET_NR_setpgid:
|
| 4280 |
ret = get_errno(setpgid(arg1, arg2)); |
| 4281 |
break;
|
| 4282 |
#ifdef TARGET_NR_ulimit
|
| 4283 |
case TARGET_NR_ulimit:
|
| 4284 |
goto unimplemented;
|
| 4285 |
#endif
|
| 4286 |
#ifdef TARGET_NR_oldolduname
|
| 4287 |
case TARGET_NR_oldolduname:
|
| 4288 |
goto unimplemented;
|
| 4289 |
#endif
|
| 4290 |
case TARGET_NR_umask:
|
| 4291 |
ret = get_errno(umask(arg1)); |
| 4292 |
break;
|
| 4293 |
case TARGET_NR_chroot:
|
| 4294 |
if (!(p = lock_user_string(arg1)))
|
| 4295 |
goto efault;
|
| 4296 |
ret = get_errno(chroot(p)); |
| 4297 |
unlock_user(p, arg1, 0);
|
| 4298 |
break;
|
| 4299 |
case TARGET_NR_ustat:
|
| 4300 |
goto unimplemented;
|
| 4301 |
case TARGET_NR_dup2:
|
| 4302 |
ret = get_errno(dup2(arg1, arg2)); |
| 4303 |
break;
|
| 4304 |
#ifdef TARGET_NR_getppid /* not on alpha */ |
| 4305 |
case TARGET_NR_getppid:
|
| 4306 |
ret = get_errno(getppid()); |
| 4307 |
break;
|
| 4308 |
#endif
|
| 4309 |
case TARGET_NR_getpgrp:
|
| 4310 |
ret = get_errno(getpgrp()); |
| 4311 |
break;
|
| 4312 |
case TARGET_NR_setsid:
|
| 4313 |
ret = get_errno(setsid()); |
| 4314 |
break;
|
| 4315 |
#ifdef TARGET_NR_sigaction
|
| 4316 |
case TARGET_NR_sigaction:
|
| 4317 |
{
|
| 4318 |
#if !defined(TARGET_MIPS)
|
| 4319 |
struct target_old_sigaction *old_act;
|
| 4320 |
struct target_sigaction act, oact, *pact;
|
| 4321 |
if (arg2) {
|
| 4322 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
| 4323 |
goto efault;
|
| 4324 |
act._sa_handler = old_act->_sa_handler; |
| 4325 |
target_siginitset(&act.sa_mask, old_act->sa_mask); |
| 4326 |
act.sa_flags = old_act->sa_flags; |
| 4327 |
act.sa_restorer = old_act->sa_restorer; |
| 4328 |
unlock_user_struct(old_act, arg2, 0);
|
| 4329 |
pact = &act; |
| 4330 |
} else {
|
| 4331 |
pact = NULL;
|
| 4332 |
} |
| 4333 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
| 4334 |
if (!is_error(ret) && arg3) {
|
| 4335 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
| 4336 |
goto efault;
|
| 4337 |
old_act->_sa_handler = oact._sa_handler; |
| 4338 |
old_act->sa_mask = oact.sa_mask.sig[0];
|
| 4339 |
old_act->sa_flags = oact.sa_flags; |
| 4340 |
old_act->sa_restorer = oact.sa_restorer; |
| 4341 |
unlock_user_struct(old_act, arg3, 1);
|
| 4342 |
} |
| 4343 |
#else
|
| 4344 |
struct target_sigaction act, oact, *pact, *old_act;
|
| 4345 |
|
| 4346 |
if (arg2) {
|
| 4347 |
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
| 4348 |
goto efault;
|
| 4349 |
act._sa_handler = old_act->_sa_handler; |
| 4350 |
target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
|
| 4351 |
act.sa_flags = old_act->sa_flags; |
| 4352 |
unlock_user_struct(old_act, arg2, 0);
|
| 4353 |
pact = &act; |
| 4354 |
} else {
|
| 4355 |
pact = NULL;
|
| 4356 |
} |
| 4357 |
|
| 4358 |
ret = get_errno(do_sigaction(arg1, pact, &oact)); |
| 4359 |
|
| 4360 |
if (!is_error(ret) && arg3) {
|
| 4361 |
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
| 4362 |
goto efault;
|
| 4363 |
old_act->_sa_handler = oact._sa_handler; |
| 4364 |
old_act->sa_flags = oact.sa_flags; |
| 4365 |
old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; |
| 4366 |
old_act->sa_mask.sig[1] = 0; |
| 4367 |
old_act->sa_mask.sig[2] = 0; |
| 4368 |
old_act->sa_mask.sig[3] = 0; |
| 4369 |
unlock_user_struct(old_act, arg3, 1);
|
| 4370 |
} |
| 4371 |
#endif
|
| 4372 |
} |
| 4373 |
break;
|
| 4374 |
#endif
|
| 4375 |
case TARGET_NR_rt_sigaction:
|
| 4376 |
{
|
| 4377 |
struct target_sigaction *act;
|
| 4378 |
struct target_sigaction *oact;
|
| 4379 |
|
| 4380 |
if (arg2) {
|
| 4381 |
if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) |
| 4382 |
goto efault;
|
| 4383 |
} else
|
| 4384 |
act = NULL;
|
| 4385 |
if (arg3) {
|
| 4386 |
if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { |
| 4387 |
ret = -TARGET_EFAULT; |
| 4388 |
goto rt_sigaction_fail;
|
| 4389 |
} |
| 4390 |
} else
|
| 4391 |
oact = NULL;
|
| 4392 |
ret = get_errno(do_sigaction(arg1, act, oact)); |
| 4393 |
rt_sigaction_fail:
|
| 4394 |
if (act)
|
| 4395 |
unlock_user_struct(act, arg2, 0);
|
| 4396 |
if (oact)
|
| 4397 |
unlock_user_struct(oact, arg3, 1);
|
| 4398 |
} |
| 4399 |
break;
|
| 4400 |
#ifdef TARGET_NR_sgetmask /* not on alpha */ |
| 4401 |
case TARGET_NR_sgetmask:
|
| 4402 |
{
|
| 4403 |
sigset_t cur_set; |
| 4404 |
abi_ulong target_set; |
| 4405 |
sigprocmask(0, NULL, &cur_set); |
| 4406 |
host_to_target_old_sigset(&target_set, &cur_set); |
| 4407 |
ret = target_set; |
| 4408 |
} |
| 4409 |
break;
|
| 4410 |
#endif
|
| 4411 |
#ifdef TARGET_NR_ssetmask /* not on alpha */ |
| 4412 |
case TARGET_NR_ssetmask:
|
| 4413 |
{
|
| 4414 |
sigset_t set, oset, cur_set; |
| 4415 |
abi_ulong target_set = arg1; |
| 4416 |
sigprocmask(0, NULL, &cur_set); |
| 4417 |
target_to_host_old_sigset(&set, &target_set); |
| 4418 |
sigorset(&set, &set, &cur_set); |
| 4419 |
sigprocmask(SIG_SETMASK, &set, &oset); |
| 4420 |
host_to_target_old_sigset(&target_set, &oset); |
| 4421 |
ret = target_set; |
| 4422 |
} |
| 4423 |
break;
|
| 4424 |
#endif
|
| 4425 |
#ifdef TARGET_NR_sigprocmask
|
| 4426 |
case TARGET_NR_sigprocmask:
|
| 4427 |
{
|
| 4428 |
int how = arg1;
|
| 4429 |
sigset_t set, oldset, *set_ptr; |
| 4430 |
|
| 4431 |
if (arg2) {
|
| 4432 |
switch(how) {
|
| 4433 |
case TARGET_SIG_BLOCK:
|
| 4434 |
how = SIG_BLOCK; |
| 4435 |
break;
|
| 4436 |
case TARGET_SIG_UNBLOCK:
|
| 4437 |
how = SIG_UNBLOCK; |
| 4438 |
break;
|
| 4439 |
case TARGET_SIG_SETMASK:
|
| 4440 |
how = SIG_SETMASK; |
| 4441 |
break;
|
| 4442 |
default:
|
| 4443 |
ret = -TARGET_EINVAL; |
| 4444 |
goto fail;
|
| 4445 |
} |
| 4446 |
if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
| 4447 |
goto efault;
|
| 4448 |
target_to_host_old_sigset(&set, p); |
| 4449 |
unlock_user(p, arg2, 0);
|
| 4450 |
set_ptr = &set; |
| 4451 |
} else {
|
| 4452 |
how = 0;
|
| 4453 |
set_ptr = NULL;
|
| 4454 |
} |
| 4455 |
ret = get_errno(sigprocmask(arg1, set_ptr, &oldset)); |
| 4456 |
if (!is_error(ret) && arg3) {
|
| 4457 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
| 4458 |
goto efault;
|
| 4459 |
host_to_target_old_sigset(p, &oldset); |
| 4460 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
| 4461 |
} |
| 4462 |
} |
| 4463 |
break;
|
| 4464 |
#endif
|
| 4465 |
case TARGET_NR_rt_sigprocmask:
|
| 4466 |
{
|
| 4467 |
int how = arg1;
|
| 4468 |
sigset_t set, oldset, *set_ptr; |
| 4469 |
|
| 4470 |
if (arg2) {
|
| 4471 |
switch(how) {
|
| 4472 |
case TARGET_SIG_BLOCK:
|
| 4473 |
how = SIG_BLOCK; |
| 4474 |
break;
|
| 4475 |
case TARGET_SIG_UNBLOCK:
|
| 4476 |
how = SIG_UNBLOCK; |
| 4477 |
break;
|
| 4478 |
case TARGET_SIG_SETMASK:
|
| 4479 |
how = SIG_SETMASK; |
| 4480 |
break;
|
| 4481 |
default:
|
| 4482 |
ret = -TARGET_EINVAL; |
| 4483 |
goto fail;
|
| 4484 |
} |
| 4485 |
if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
| 4486 |
goto efault;
|
| 4487 |
target_to_host_sigset(&set, p); |
| 4488 |
unlock_user(p, arg2, 0);
|
| 4489 |
set_ptr = &set; |
| 4490 |
} else {
|
| 4491 |
how = 0;
|
| 4492 |
set_ptr = NULL;
|
| 4493 |
} |
| 4494 |
ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
| 4495 |
if (!is_error(ret) && arg3) {
|
| 4496 |
if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
| 4497 |
goto efault;
|
| 4498 |
host_to_target_sigset(p, &oldset); |
| 4499 |
unlock_user(p, arg3, sizeof(target_sigset_t));
|
| 4500 |
} |
| 4501 |
} |
| 4502 |
break;
|
| 4503 |
#ifdef TARGET_NR_sigpending
|
| 4504 |
case TARGET_NR_sigpending:
|
| 4505 |
{
|
| 4506 |
sigset_t set; |
| 4507 |
ret = get_errno(sigpending(&set)); |
| 4508 |
if (!is_error(ret)) {
|
| 4509 |
if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
| 4510 |
goto efault;
|
| 4511 |
host_to_target_old_sigset(p, &set); |
| 4512 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
| 4513 |
} |
| 4514 |
} |
| 4515 |
break;
|
| 4516 |
#endif
|
| 4517 |
case TARGET_NR_rt_sigpending:
|
| 4518 |
{
|
| 4519 |
sigset_t set; |
| 4520 |
ret = get_errno(sigpending(&set)); |
| 4521 |
if (!is_error(ret)) {
|
| 4522 |
if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
| 4523 |
goto efault;
|
| 4524 |
host_to_target_sigset(p, &set); |
| 4525 |
unlock_user(p, arg1, sizeof(target_sigset_t));
|
| 4526 |
} |
| 4527 |
} |
| 4528 |
break;
|
| 4529 |
#ifdef TARGET_NR_sigsuspend
|
| 4530 |
case TARGET_NR_sigsuspend:
|
| 4531 |
{
|
| 4532 |
sigset_t set; |
| 4533 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
| 4534 |
goto efault;
|
| 4535 |
target_to_host_old_sigset(&set, p); |
| 4536 |
unlock_user(p, arg1, 0);
|
| 4537 |
ret = get_errno(sigsuspend(&set)); |
| 4538 |
} |
| 4539 |
break;
|
| 4540 |
#endif
|
| 4541 |
case TARGET_NR_rt_sigsuspend:
|
| 4542 |
{
|
| 4543 |
sigset_t set; |
| 4544 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
| 4545 |
goto efault;
|
| 4546 |
target_to_host_sigset(&set, p); |
| 4547 |
unlock_user(p, arg1, 0);
|
| 4548 |
ret = get_errno(sigsuspend(&set)); |
| 4549 |
} |
| 4550 |
break;
|
| 4551 |
case TARGET_NR_rt_sigtimedwait:
|
| 4552 |
{
|
| 4553 |
sigset_t set; |
| 4554 |
struct timespec uts, *puts;
|
| 4555 |
siginfo_t uinfo; |
| 4556 |
|
| 4557 |
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
| 4558 |
goto efault;
|
| 4559 |
target_to_host_sigset(&set, p); |
| 4560 |
unlock_user(p, arg1, 0);
|
| 4561 |
if (arg3) {
|
| 4562 |
puts = &uts; |
| 4563 |
target_to_host_timespec(puts, arg3); |
| 4564 |
} else {
|
| 4565 |
puts = NULL;
|
| 4566 |
} |
| 4567 |
ret = get_errno(sigtimedwait(&set, &uinfo, puts)); |
| 4568 |
if (!is_error(ret) && arg2) {
|
| 4569 |
if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0))) |
| 4570 |
goto efault;
|
| 4571 |
host_to_target_siginfo(p, &uinfo); |
| 4572 |
unlock_user(p, arg2, sizeof(target_siginfo_t));
|
| 4573 |
} |
| 4574 |
} |
| 4575 |
break;
|
| 4576 |
case TARGET_NR_rt_sigqueueinfo:
|
| 4577 |
{
|
| 4578 |
siginfo_t uinfo; |
| 4579 |
if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) |
| 4580 |
goto efault;
|
| 4581 |
target_to_host_siginfo(&uinfo, p); |
| 4582 |
unlock_user(p, arg1, 0);
|
| 4583 |
ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
| 4584 |
} |
| 4585 |
break;
|
| 4586 |
#ifdef TARGET_NR_sigreturn
|
| 4587 |
case TARGET_NR_sigreturn:
|
| 4588 |
/* NOTE: ret is eax, so not transcoding must be done */
|
| 4589 |
ret = do_sigreturn(cpu_env); |
| 4590 |
break;
|
| 4591 |
#endif
|
| 4592 |
case TARGET_NR_rt_sigreturn:
|
| 4593 |
/* NOTE: ret is eax, so not transcoding must be done */
|
| 4594 |
ret = do_rt_sigreturn(cpu_env); |
| 4595 |
break;
|
| 4596 |
case TARGET_NR_sethostname:
|
| 4597 |
if (!(p = lock_user_string(arg1)))
|
| 4598 |
goto efault;
|
| 4599 |
ret = get_errno(sethostname(p, arg2)); |
| 4600 |
unlock_user(p, arg1, 0);
|
| 4601 |
break;
|
| 4602 |
case TARGET_NR_setrlimit:
|
| 4603 |
{
|
| 4604 |
/* XXX: convert resource ? */
|
| 4605 |
int resource = arg1;
|
| 4606 |
struct target_rlimit *target_rlim;
|
| 4607 |
struct rlimit rlim;
|
| 4608 |
if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
| 4609 |
goto efault;
|
| 4610 |
rlim.rlim_cur = tswapl(target_rlim->rlim_cur); |
| 4611 |
rlim.rlim_max = tswapl(target_rlim->rlim_max); |
| 4612 |
unlock_user_struct(target_rlim, arg2, 0);
|
| 4613 |
ret = get_errno(setrlimit(resource, &rlim)); |
| 4614 |
} |
| 4615 |
break;
|
| 4616 |
case TARGET_NR_getrlimit:
|
| 4617 |
{
|
| 4618 |
/* XXX: convert resource ? */
|
| 4619 |
int resource = arg1;
|
| 4620 |
struct target_rlimit *target_rlim;
|
| 4621 |
struct rlimit rlim;
|
| 4622 |
|
| 4623 |
ret = get_errno(getrlimit(resource, &rlim)); |
| 4624 |
if (!is_error(ret)) {
|
| 4625 |
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
| 4626 |
goto efault;
|
| 4627 |
rlim.rlim_cur = tswapl(target_rlim->rlim_cur); |
| 4628 |
rlim.rlim_max = tswapl(target_rlim->rlim_max); |
| 4629 |
unlock_user_struct(target_rlim, arg2, 1);
|
| 4630 |
} |
| 4631 |
} |
| 4632 |
break;
|
| 4633 |
case TARGET_NR_getrusage:
|
| 4634 |
{
|
| 4635 |
struct rusage rusage;
|
| 4636 |
ret = get_errno(getrusage(arg1, &rusage)); |
| 4637 |
if (!is_error(ret)) {
|
| 4638 |
host_to_target_rusage(arg2, &rusage); |
| 4639 |
} |
| 4640 |
} |
| 4641 |
break;
|
| 4642 |
case TARGET_NR_gettimeofday:
|
| 4643 |
{
|
| 4644 |
struct timeval tv;
|
| 4645 |
ret = get_errno(gettimeofday(&tv, NULL));
|
| 4646 |
if (!is_error(ret)) {
|
| 4647 |
if (copy_to_user_timeval(arg1, &tv))
|
| 4648 |
goto efault;
|
| 4649 |
} |
| 4650 |
} |
| 4651 |
break;
|
| 4652 |
case TARGET_NR_settimeofday:
|
| 4653 |
{
|
| 4654 |
struct timeval tv;
|
| 4655 |
if (copy_from_user_timeval(&tv, arg1))
|
| 4656 |
goto efault;
|
| 4657 |
ret = get_errno(settimeofday(&tv, NULL));
|
| 4658 |
} |
| 4659 |
break;
|
| 4660 |
#ifdef TARGET_NR_select
|
| 4661 |
case TARGET_NR_select:
|
| 4662 |
{
|
| 4663 |
struct target_sel_arg_struct *sel;
|
| 4664 |
abi_ulong inp, outp, exp, tvp; |
| 4665 |
long nsel;
|
| 4666 |
|
| 4667 |
if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) |
| 4668 |
goto efault;
|
| 4669 |
nsel = tswapl(sel->n); |
| 4670 |
inp = tswapl(sel->inp); |
| 4671 |
outp = tswapl(sel->outp); |
| 4672 |
exp = tswapl(sel->exp); |
| 4673 |
tvp = tswapl(sel->tvp); |
| 4674 |
unlock_user_struct(sel, arg1, 0);
|
| 4675 |
ret = do_select(nsel, inp, outp, exp, tvp); |
| 4676 |
} |
| 4677 |
break;
|
| 4678 |
#endif
|
| 4679 |
case TARGET_NR_symlink:
|
| 4680 |
{
|
| 4681 |
void *p2;
|
| 4682 |
p = lock_user_string(arg1); |
| 4683 |
p2 = lock_user_string(arg2); |
| 4684 |
if (!p || !p2)
|
| 4685 |
ret = -TARGET_EFAULT; |
| 4686 |
else
|
| 4687 |
ret = get_errno(symlink(p, p2)); |
| 4688 |
unlock_user(p2, arg2, 0);
|
| 4689 |
unlock_user(p, arg1, 0);
|
| 4690 |
} |
| 4691 |
break;
|
| 4692 |
#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
|
| 4693 |
case TARGET_NR_symlinkat:
|
| 4694 |
{
|
| 4695 |
void *p2;
|
| 4696 |
p = lock_user_string(arg1); |
| 4697 |
p2 = lock_user_string(arg3); |
| 4698 |
if (!p || !p2)
|
| 4699 |
ret = -TARGET_EFAULT; |
| 4700 |
else
|
| 4701 |
ret = get_errno(sys_symlinkat(p, arg2, p2)); |
| 4702 |
unlock_user(p2, arg3, 0);
|
| 4703 |
unlock_user(p, arg1, 0);
|
| 4704 |
} |
| 4705 |
break;
|
| 4706 |
#endif
|
| 4707 |
#ifdef TARGET_NR_oldlstat
|
| 4708 |
case TARGET_NR_oldlstat:
|
| 4709 |
goto unimplemented;
|
| 4710 |
#endif
|
| 4711 |
case TARGET_NR_readlink:
|
| 4712 |
{
|
| 4713 |
void *p2, *temp;
|
| 4714 |
p = lock_user_string(arg1); |
| 4715 |
p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
|
| 4716 |
if (!p || !p2)
|
| 4717 |
ret = -TARGET_EFAULT; |
| 4718 |
else {
|
| 4719 |
if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) { |
| 4720 |
char real[PATH_MAX];
|
| 4721 |
temp = realpath(exec_path,real); |
| 4722 |
ret = (temp==NULL) ? get_errno(-1) : strlen(real) ; |
| 4723 |
snprintf((char *)p2, arg3, "%s", real); |
| 4724 |
} |
| 4725 |
else
|
| 4726 |
ret = get_errno(readlink(path(p), p2, arg3)); |
| 4727 |
} |
| 4728 |
unlock_user(p2, arg2, ret); |
| 4729 |
unlock_user(p, arg1, 0);
|
| 4730 |
} |
| 4731 |
break;
|
| 4732 |
#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
|
| 4733 |
case TARGET_NR_readlinkat:
|
| 4734 |
{
|
| 4735 |
void *p2;
|
| 4736 |
p = lock_user_string(arg2); |
| 4737 |
p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
|
| 4738 |
if (!p || !p2)
|
| 4739 |
ret = -TARGET_EFAULT; |
| 4740 |
else
|
| 4741 |
ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4)); |
| 4742 |
unlock_user(p2, arg3, ret); |
| 4743 |
unlock_user(p, arg2, 0);
|
| 4744 |
} |
| 4745 |
break;
|
| 4746 |
#endif
|
| 4747 |
#ifdef TARGET_NR_uselib
|
| 4748 |
case TARGET_NR_uselib:
|
| 4749 |
goto unimplemented;
|
| 4750 |
#endif
|
| 4751 |
#ifdef TARGET_NR_swapon
|
| 4752 |
case TARGET_NR_swapon:
|
| 4753 |
if (!(p = lock_user_string(arg1)))
|
| 4754 |
goto efault;
|
| 4755 |
ret = get_errno(swapon(p, arg2)); |
| 4756 |
unlock_user(p, arg1, 0);
|
| 4757 |
break;
|
| 4758 |
#endif
|
| 4759 |
case TARGET_NR_reboot:
|
| 4760 |
goto unimplemented;
|
| 4761 |
#ifdef TARGET_NR_readdir
|
| 4762 |
case TARGET_NR_readdir:
|
| 4763 |
goto unimplemented;
|
| 4764 |
#endif
|
| 4765 |
#ifdef TARGET_NR_mmap
|
| 4766 |
case TARGET_NR_mmap:
|
| 4767 |
#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
|
| 4768 |
{
|
| 4769 |
abi_ulong *v; |
| 4770 |
abi_ulong v1, v2, v3, v4, v5, v6; |
| 4771 |
if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
| 4772 |
goto efault;
|
| 4773 |
v1 = tswapl(v[0]);
|
| 4774 |
v2 = tswapl(v[1]);
|
| 4775 |
v3 = tswapl(v[2]);
|
| 4776 |
v4 = tswapl(v[3]);
|
| 4777 |
v5 = tswapl(v[4]);
|
| 4778 |
v6 = tswapl(v[5]);
|
| 4779 |
unlock_user(v, arg1, 0);
|
| 4780 |
ret = get_errno(target_mmap(v1, v2, v3, |
| 4781 |
target_to_host_bitmask(v4, mmap_flags_tbl), |
| 4782 |
v5, v6)); |
| 4783 |
} |
| 4784 |
#else
|
| 4785 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
| 4786 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
| 4787 |
arg5, |
| 4788 |
arg6)); |
| 4789 |
#endif
|
| 4790 |
break;
|
| 4791 |
#endif
|
| 4792 |
#ifdef TARGET_NR_mmap2
|
| 4793 |
case TARGET_NR_mmap2:
|
| 4794 |
#ifndef MMAP_SHIFT
|
| 4795 |
#define MMAP_SHIFT 12 |
| 4796 |
#endif
|
| 4797 |
ret = get_errno(target_mmap(arg1, arg2, arg3, |
| 4798 |
target_to_host_bitmask(arg4, mmap_flags_tbl), |
| 4799 |
arg5, |
| 4800 |
arg6 << MMAP_SHIFT)); |
| 4801 |
break;
|
| 4802 |
#endif
|
| 4803 |
case TARGET_NR_munmap:
|
| 4804 |
ret = get_errno(target_munmap(arg1, arg2)); |
| 4805 |
break;
|
| 4806 |
case TARGET_NR_mprotect:
|
| 4807 |
ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
| 4808 |
break;
|
| 4809 |
#ifdef TARGET_NR_mremap
|
| 4810 |
case TARGET_NR_mremap:
|
| 4811 |
ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
| 4812 |
break;
|
| 4813 |
#endif
|
| 4814 |
/* ??? msync/mlock/munlock are broken for softmmu. */
|
| 4815 |
#ifdef TARGET_NR_msync
|
| 4816 |
case TARGET_NR_msync:
|
| 4817 |
ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
| 4818 |
break;
|
| 4819 |
#endif
|
| 4820 |
#ifdef TARGET_NR_mlock
|
| 4821 |
case TARGET_NR_mlock:
|
| 4822 |
ret = get_errno(mlock(g2h(arg1), arg2)); |
| 4823 |
break;
|
| 4824 |
#endif
|
| 4825 |
#ifdef TARGET_NR_munlock
|
| 4826 |
case TARGET_NR_munlock:
|
| 4827 |
ret = get_errno(munlock(g2h(arg1), arg2)); |
| 4828 |
break;
|
| 4829 |
#endif
|
| 4830 |
#ifdef TARGET_NR_mlockall
|
| 4831 |
case TARGET_NR_mlockall:
|
| 4832 |
ret = get_errno(mlockall(arg1)); |
| 4833 |
break;
|
| 4834 |
#endif
|
| 4835 |
#ifdef TARGET_NR_munlockall
|
| 4836 |
case TARGET_NR_munlockall:
|
| 4837 |
ret = get_errno(munlockall()); |
| 4838 |
break;
|
| 4839 |
#endif
|
| 4840 |
case TARGET_NR_truncate:
|
| 4841 |
if (!(p = lock_user_string(arg1)))
|
| 4842 |
goto efault;
|
| 4843 |
ret = get_errno(truncate(p, arg2)); |
| 4844 |
unlock_user(p, arg1, 0);
|
| 4845 |
break;
|
| 4846 |
case TARGET_NR_ftruncate:
|
| 4847 |
ret = get_errno(ftruncate(arg1, arg2)); |
| 4848 |
break;
|
| 4849 |
case TARGET_NR_fchmod:
|
| 4850 |
ret = get_errno(fchmod(arg1, arg2)); |
| 4851 |
break;
|
| 4852 |
#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
|
| 4853 |
case TARGET_NR_fchmodat:
|
| 4854 |
if (!(p = lock_user_string(arg2)))
|
| 4855 |
goto efault;
|
| 4856 |
ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4)); |
| 4857 |
unlock_user(p, arg2, 0);
|
| 4858 |
break;
|
| 4859 |
#endif
|
| 4860 |
case TARGET_NR_getpriority:
|
| 4861 |
/* libc does special remapping of the return value of
|
| 4862 |
* sys_getpriority() so it's just easiest to call
|
| 4863 |
* sys_getpriority() directly rather than through libc. */
|
| 4864 |
ret = sys_getpriority(arg1, arg2); |
| 4865 |
break;
|
| 4866 |
case TARGET_NR_setpriority:
|
| 4867 |
ret = get_errno(setpriority(arg1, arg2, arg3)); |
| 4868 |
break;
|
| 4869 |
#ifdef TARGET_NR_profil
|
| 4870 |
case TARGET_NR_profil:
|
| 4871 |
goto unimplemented;
|
| 4872 |
#endif
|
| 4873 |
case TARGET_NR_statfs:
|
| 4874 |
if (!(p = lock_user_string(arg1)))
|
| 4875 |
goto efault;
|
| 4876 |
ret = get_errno(statfs(path(p), &stfs)); |
| 4877 |
unlock_user(p, arg1, 0);
|
| 4878 |
convert_statfs:
|
| 4879 |
if (!is_error(ret)) {
|
| 4880 |
struct target_statfs *target_stfs;
|
| 4881 |
|
| 4882 |
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
| 4883 |
goto efault;
|
| 4884 |
__put_user(stfs.f_type, &target_stfs->f_type); |
| 4885 |
__put_user(stfs.f_bsize, &target_stfs->f_bsize); |
| 4886 |
__put_user(stfs.f_blocks, &target_stfs->f_blocks); |
| 4887 |
__put_user(stfs.f_bfree, &target_stfs->f_bfree); |
| 4888 |
__put_user(stfs.f_bavail, &target_stfs->f_bavail); |
| 4889 |
__put_user(stfs.f_files, &target_stfs->f_files); |
| 4890 |
__put_user(stfs.f_ffree, &target_stfs->f_ffree); |
| 4891 |
__put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
| 4892 |
__put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
| 4893 |
__put_user(stfs.f_namelen, &target_stfs->f_namelen); |
| 4894 |
unlock_user_struct(target_stfs, arg2, 1);
|
| 4895 |
} |
| 4896 |
break;
|
| 4897 |
case TARGET_NR_fstatfs:
|
| 4898 |
ret = get_errno(fstatfs(arg1, &stfs)); |
| 4899 |
goto convert_statfs;
|
| 4900 |
#ifdef TARGET_NR_statfs64
|
| 4901 |
case TARGET_NR_statfs64:
|
| 4902 |
if (!(p = lock_user_string(arg1)))
|
| 4903 |
goto efault;
|
| 4904 |
ret = get_errno(statfs(path(p), &stfs)); |
| 4905 |
unlock_user(p, arg1, 0);
|
| 4906 |
convert_statfs64:
|
| 4907 |
if (!is_error(ret)) {
|
| 4908 |
struct target_statfs64 *target_stfs;
|
| 4909 |
|
| 4910 |
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
| 4911 |
goto efault;
|
| 4912 |
__put_user(stfs.f_type, &target_stfs->f_type); |
| 4913 |
__put_user(stfs.f_bsize, &target_stfs->f_bsize); |
| 4914 |
__put_user(stfs.f_blocks, &target_stfs->f_blocks); |
| 4915 |
__put_user(stfs.f_bfree, &target_stfs->f_bfree); |
| 4916 |
__put_user(stfs.f_bavail, &target_stfs->f_bavail); |
| 4917 |
__put_user(stfs.f_files, &target_stfs->f_files); |
| 4918 |
__put_user(stfs.f_ffree, &target_stfs->f_ffree); |
| 4919 |
__put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); |
| 4920 |
__put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); |
| 4921 |
__put_user(stfs.f_namelen, &target_stfs->f_namelen); |
| 4922 |
unlock_user_struct(target_stfs, arg3, 1);
|
| 4923 |
} |
| 4924 |
break;
|
| 4925 |
case TARGET_NR_fstatfs64:
|
| 4926 |
ret = get_errno(fstatfs(arg1, &stfs)); |
| 4927 |
goto convert_statfs64;
|
| 4928 |
#endif
|
| 4929 |
#ifdef TARGET_NR_ioperm
|
| 4930 |
case TARGET_NR_ioperm:
|
| 4931 |
goto unimplemented;
|
| 4932 |
#endif
|
| 4933 |
#ifdef TARGET_NR_socketcall
|
| 4934 |
case TARGET_NR_socketcall:
|
| 4935 |
ret = do_socketcall(arg1, arg2); |
| 4936 |
break;
|
| 4937 |
#endif
|
| 4938 |
#ifdef TARGET_NR_accept
|
| 4939 |
case TARGET_NR_accept:
|
| 4940 |
ret = do_accept(arg1, arg2, arg3); |
| 4941 |
break;
|
| 4942 |
#endif
|
| 4943 |
#ifdef TARGET_NR_bind
|
| 4944 |
case TARGET_NR_bind:
|
| 4945 |
ret = do_bind(arg1, arg2, arg3); |
| 4946 |
break;
|
| 4947 |
#endif
|
| 4948 |
#ifdef TARGET_NR_connect
|
| 4949 |
case TARGET_NR_connect:
|
| 4950 |
ret = do_connect(arg1, arg2, arg3); |
| 4951 |
break;
|
| 4952 |
#endif
|
| 4953 |
#ifdef TARGET_NR_getpeername
|
| 4954 |
case TARGET_NR_getpeername:
|
| 4955 |
ret = do_getpeername(arg1, arg2, arg3); |
| 4956 |
break;
|
| 4957 |
#endif
|
| 4958 |
#ifdef TARGET_NR_getsockname
|
| 4959 |
case TARGET_NR_getsockname:
|
| 4960 |
ret = do_getsockname(arg1, arg2, arg3); |
| 4961 |
break;
|
| 4962 |
#endif
|
| 4963 |
#ifdef TARGET_NR_getsockopt
|
| 4964 |
case TARGET_NR_getsockopt:
|
| 4965 |
ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
| 4966 |
break;
|
| 4967 |
#endif
|
| 4968 |
#ifdef TARGET_NR_listen
|
| 4969 |
case TARGET_NR_listen:
|
| 4970 |
ret = get_errno(listen(arg1, arg2)); |
| 4971 |
break;
|
| 4972 |
#endif
|
| 4973 |
#ifdef TARGET_NR_recv
|
| 4974 |
case TARGET_NR_recv:
|
| 4975 |
ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
| 4976 |
break;
|
| 4977 |
#endif
|
| 4978 |
#ifdef TARGET_NR_recvfrom
|
| 4979 |
case TARGET_NR_recvfrom:
|
| 4980 |
ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
| 4981 |
break;
|
| 4982 |
#endif
|
| 4983 |
#ifdef TARGET_NR_recvmsg
|
| 4984 |
case TARGET_NR_recvmsg:
|
| 4985 |
ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
|
| 4986 |
break;
|
| 4987 |
#endif
|
| 4988 |
#ifdef TARGET_NR_send
|
| 4989 |
case TARGET_NR_send:
|
| 4990 |
ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
| 4991 |
break;
|
| 4992 |
#endif
|
| 4993 |
#ifdef TARGET_NR_sendmsg
|
| 4994 |
case TARGET_NR_sendmsg:
|
| 4995 |
ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
|
| 4996 |
break;
|
| 4997 |
#endif
|
| 4998 |
#ifdef TARGET_NR_sendto
|
| 4999 |
case TARGET_NR_sendto:
|
| 5000 |
ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
| 5001 |
break;
|
| 5002 |
#endif
|
| 5003 |
#ifdef TARGET_NR_shutdown
|
| 5004 |
case TARGET_NR_shutdown:
|
| 5005 |
ret = get_errno(shutdown(arg1, arg2)); |
| 5006 |
break;
|
| 5007 |
#endif
|
| 5008 |
#ifdef TARGET_NR_socket
|
| 5009 |
case TARGET_NR_socket:
|
| 5010 |
ret = do_socket(arg1, arg2, arg3); |
| 5011 |
break;
|
| 5012 |
#endif
|
| 5013 |
#ifdef TARGET_NR_socketpair
|
| 5014 |
case TARGET_NR_socketpair:
|
| 5015 |
ret = do_socketpair(arg1, arg2, arg3, arg4); |
| 5016 |
break;
|
| 5017 |
#endif
|
| 5018 |
#ifdef TARGET_NR_setsockopt
|
| 5019 |
case TARGET_NR_setsockopt:
|
| 5020 |
ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
| 5021 |
break;
|
| 5022 |
#endif
|
| 5023 |
|
| 5024 |
case TARGET_NR_syslog:
|
| 5025 |
if (!(p = lock_user_string(arg2)))
|
| 5026 |
goto efault;
|
| 5027 |
ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); |
| 5028 |
unlock_user(p, arg2, 0);
|
| 5029 |
break;
|
| 5030 |
|
| 5031 |
case TARGET_NR_setitimer:
|
| 5032 |
{
|
| 5033 |
struct itimerval value, ovalue, *pvalue;
|
| 5034 |
|
| 5035 |
if (arg2) {
|
| 5036 |
pvalue = &value; |
| 5037 |
if (copy_from_user_timeval(&pvalue->it_interval, arg2)
|
| 5038 |
|| copy_from_user_timeval(&pvalue->it_value, |
| 5039 |
arg2 + sizeof(struct target_timeval))) |
| 5040 |
goto efault;
|
| 5041 |
} else {
|
| 5042 |
pvalue = NULL;
|
| 5043 |
} |
| 5044 |
ret = get_errno(setitimer(arg1, pvalue, &ovalue)); |
| 5045 |
if (!is_error(ret) && arg3) {
|
| 5046 |
if (copy_to_user_timeval(arg3,
|
| 5047 |
&ovalue.it_interval) |
| 5048 |
|| copy_to_user_timeval(arg3 + sizeof(struct target_timeval), |
| 5049 |
&ovalue.it_value)) |
| 5050 |
goto efault;
|
| 5051 |
} |
| 5052 |
} |
| 5053 |
break;
|
| 5054 |
case TARGET_NR_getitimer:
|
| 5055 |
{
|
| 5056 |
struct itimerval value;
|
| 5057 |
|
| 5058 |
ret = get_errno(getitimer(arg1, &value)); |
| 5059 |
if (!is_error(ret) && arg2) {
|
| 5060 |
if (copy_to_user_timeval(arg2,
|
| 5061 |
&value.it_interval) |
| 5062 |
|| copy_to_user_timeval(arg2 + sizeof(struct target_timeval), |
| 5063 |
&value.it_value)) |
| 5064 |
goto efault;
|
| 5065 |
} |
| 5066 |
} |
| 5067 |
break;
|
| 5068 |
case TARGET_NR_stat:
|
| 5069 |
if (!(p = lock_user_string(arg1)))
|
| 5070 |
goto efault;
|
| 5071 |
ret = get_errno(stat(path(p), &st)); |
| 5072 |
unlock_user(p, arg1, 0);
|
| 5073 |
goto do_stat;
|
| 5074 |
case TARGET_NR_lstat:
|
| 5075 |
if (!(p = lock_user_string(arg1)))
|
| 5076 |
goto efault;
|
| 5077 |
ret = get_errno(lstat(path(p), &st)); |
| 5078 |
unlock_user(p, arg1, 0);
|
| 5079 |
goto do_stat;
|
| 5080 |
case TARGET_NR_fstat:
|
| 5081 |
{
|
| 5082 |
ret = get_errno(fstat(arg1, &st)); |
| 5083 |
do_stat:
|
| 5084 |
if (!is_error(ret)) {
|
| 5085 |
struct target_stat *target_st;
|
| 5086 |
|
| 5087 |
if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
| 5088 |
goto efault;
|
| 5089 |
__put_user(st.st_dev, &target_st->st_dev); |
| 5090 |
__put_user(st.st_ino, &target_st->st_ino); |
| 5091 |
__put_user(st.st_mode, &target_st->st_mode); |
| 5092 |
__put_user(st.st_uid, &target_st->st_uid); |
| 5093 |
__put_user(st.st_gid, &target_st->st_gid); |
| 5094 |
__put_user(st.st_nlink, &target_st->st_nlink); |
| 5095 |
__put_user(st.st_rdev, &target_st->st_rdev); |
| 5096 |
__put_user(st.st_size, &target_st->st_size); |
| 5097 |
__put_user(st.st_blksize, &target_st->st_blksize); |
| 5098 |
__put_user(st.st_blocks, &target_st->st_blocks); |
| 5099 |
__put_user(st.st_atime, &target_st->target_st_atime); |
| 5100 |
__put_user(st.st_mtime, &target_st->target_st_mtime); |
| 5101 |
__put_user(st.st_ctime, &target_st->target_st_ctime); |
| 5102 |
unlock_user_struct(target_st, arg2, 1);
|
| 5103 |
} |
| 5104 |
} |
| 5105 |
break;
|
| 5106 |
#ifdef TARGET_NR_olduname
|
| 5107 |
case TARGET_NR_olduname:
|
| 5108 |
goto unimplemented;
|
| 5109 |
#endif
|
| 5110 |
#ifdef TARGET_NR_iopl
|
| 5111 |
case TARGET_NR_iopl:
|
| 5112 |
goto unimplemented;
|
| 5113 |
#endif
|
| 5114 |
case TARGET_NR_vhangup:
|
| 5115 |
ret = get_errno(vhangup()); |
| 5116 |
break;
|
| 5117 |
#ifdef TARGET_NR_idle
|
| 5118 |
case TARGET_NR_idle:
|
| 5119 |
goto unimplemented;
|
| 5120 |
#endif
|
| 5121 |
#ifdef TARGET_NR_syscall
|
| 5122 |
case TARGET_NR_syscall:
|
| 5123 |
ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0); |
| 5124 |
break;
|
| 5125 |
#endif
|
| 5126 |
case TARGET_NR_wait4:
|
| 5127 |
{
|
| 5128 |
int status;
|
| 5129 |
abi_long status_ptr = arg2; |
| 5130 |
struct rusage rusage, *rusage_ptr;
|
| 5131 |
abi_ulong target_rusage = arg4; |
| 5132 |
if (target_rusage)
|
| 5133 |
rusage_ptr = &rusage; |
| 5134 |
else
|
| 5135 |
rusage_ptr = NULL;
|
| 5136 |
ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); |
| 5137 |
if (!is_error(ret)) {
|
| 5138 |
if (status_ptr) {
|
| 5139 |
if (put_user_s32(status, status_ptr))
|
| 5140 |
goto efault;
|
| 5141 |
} |
| 5142 |
if (target_rusage)
|
| 5143 |
host_to_target_rusage(target_rusage, &rusage); |
| 5144 |
} |
| 5145 |
} |
| 5146 |
break;
|
| 5147 |
#ifdef TARGET_NR_swapoff
|
| 5148 |
case TARGET_NR_swapoff:
|
| 5149 |
if (!(p = lock_user_string(arg1)))
|
| 5150 |
goto efault;
|
| 5151 |
ret = get_errno(swapoff(p)); |
| 5152 |
unlock_user(p, arg1, 0);
|
| 5153 |
break;
|
| 5154 |
#endif
|
| 5155 |
case TARGET_NR_sysinfo:
|
| 5156 |
{
|
| 5157 |
struct target_sysinfo *target_value;
|
| 5158 |
struct sysinfo value;
|
| 5159 |
ret = get_errno(sysinfo(&value)); |
| 5160 |
if (!is_error(ret) && arg1)
|
| 5161 |
{
|
| 5162 |
if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
| 5163 |
goto efault;
|
| 5164 |
__put_user(value.uptime, &target_value->uptime); |
| 5165 |
__put_user(value.loads[0], &target_value->loads[0]); |
| 5166 |
__put_user(value.loads[1], &target_value->loads[1]); |
| 5167 |
__put_user(value.loads[2], &target_value->loads[2]); |
| 5168 |
__put_user(value.totalram, &target_value->totalram); |
| 5169 |
__put_user(value.freeram, &target_value->freeram); |
| 5170 |
__put_user(value.sharedram, &target_value->sharedram); |
| 5171 |
__put_user(value.bufferram, &target_value->bufferram); |
| 5172 |
__put_user(value.totalswap, &target_value->totalswap); |
| 5173 |
__put_user(value.freeswap, &target_value->freeswap); |
| 5174 |
__put_user(value.procs, &target_value->procs); |
| 5175 |
__put_user(value.totalhigh, &target_value->totalhigh); |
| 5176 |
__put_user(value.freehigh, &target_value->freehigh); |
| 5177 |
__put_user(value.mem_unit, &target_value->mem_unit); |
| 5178 |
unlock_user_struct(target_value, arg1, 1);
|
| 5179 |
} |
| 5180 |
} |
| 5181 |
break;
|
| 5182 |
#ifdef TARGET_NR_ipc
|
| 5183 |
case TARGET_NR_ipc:
|
| 5184 |
ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); |
| 5185 |
break;
|
| 5186 |
#endif
|
| 5187 |
|
| 5188 |
#ifdef TARGET_NR_msgctl
|
| 5189 |
case TARGET_NR_msgctl:
|
| 5190 |
ret = do_msgctl(arg1, arg2, arg3); |
| 5191 |
break;
|
| 5192 |
#endif
|
| 5193 |
#ifdef TARGET_NR_msgget
|
| 5194 |
case TARGET_NR_msgget:
|
| 5195 |
ret = get_errno(msgget(arg1, arg2)); |
| 5196 |
break;
|
| 5197 |
#endif
|
| 5198 |
#ifdef TARGET_NR_msgrcv
|
| 5199 |
case TARGET_NR_msgrcv:
|
| 5200 |
ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
| 5201 |
break;
|
| 5202 |
#endif
|
| 5203 |
#ifdef TARGET_NR_msgsnd
|
| 5204 |
case TARGET_NR_msgsnd:
|
| 5205 |
ret = do_msgsnd(arg1, arg2, arg3, arg4); |
| 5206 |
break;
|
| 5207 |
#endif
|
| 5208 |
case TARGET_NR_fsync:
|
| 5209 |
ret = get_errno(fsync(arg1)); |
| 5210 |
break;
|
| 5211 |
case TARGET_NR_clone:
|
| 5212 |
#if defined(TARGET_SH4)
|
| 5213 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
| 5214 |
#elif defined(TARGET_CRIS)
|
| 5215 |
ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5)); |
| 5216 |
#else
|
| 5217 |
ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); |
| 5218 |
#endif
|
| 5219 |
break;
|
| 5220 |
#ifdef __NR_exit_group
|
| 5221 |
/* new thread calls */
|
| 5222 |
case TARGET_NR_exit_group:
|
| 5223 |
#ifdef HAVE_GPROF
|
| 5224 |
_mcleanup(); |
| 5225 |
#endif
|
| 5226 |
gdb_exit(cpu_env, arg1); |
| 5227 |
ret = get_errno(exit_group(arg1)); |
| 5228 |
break;
|
| 5229 |
#endif
|
| 5230 |
case TARGET_NR_setdomainname:
|
| 5231 |
if (!(p = lock_user_string(arg1)))
|
| 5232 |
goto efault;
|
| 5233 |
ret = get_errno(setdomainname(p, arg2)); |
| 5234 |
unlock_user(p, arg1, 0);
|
| 5235 |
break;
|
| 5236 |
case TARGET_NR_uname:
|
| 5237 |
/* no need to transcode because we use the linux syscall */
|
| 5238 |
{
|
| 5239 |
struct new_utsname * buf;
|
| 5240 |
|
| 5241 |
if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
| 5242 |
goto efault;
|
| 5243 |
ret = get_errno(sys_uname(buf)); |
| 5244 |
if (!is_error(ret)) {
|
| 5245 |
/* Overrite the native machine name with whatever is being
|
| 5246 |
emulated. */
|
| 5247 |
strcpy (buf->machine, UNAME_MACHINE); |
| 5248 |
/* Allow the user to override the reported release. */
|
| 5249 |
if (qemu_uname_release && *qemu_uname_release)
|
| 5250 |
strcpy (buf->release, qemu_uname_release); |
| 5251 |
} |
| 5252 |
unlock_user_struct(buf, arg1, 1);
|
| 5253 |
} |
| 5254 |
break;
|
| 5255 |
#ifdef TARGET_I386
|
| 5256 |
case TARGET_NR_modify_ldt:
|
| 5257 |
ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
| 5258 |
break;
|
| 5259 |
#if !defined(TARGET_X86_64)
|
| 5260 |
case TARGET_NR_vm86old:
|
| 5261 |
goto unimplemented;
|
| 5262 |
case TARGET_NR_vm86:
|
| 5263 |
ret = do_vm86(cpu_env, arg1, arg2); |
| 5264 |
break;
|
| 5265 |
#endif
|
| 5266 |
#endif
|
| 5267 |
case TARGET_NR_adjtimex:
|
| 5268 |
goto unimplemented;
|
| 5269 |
#ifdef TARGET_NR_create_module
|
| 5270 |
case TARGET_NR_create_module:
|
| 5271 |
#endif
|
| 5272 |
case TARGET_NR_init_module:
|
| 5273 |
case TARGET_NR_delete_module:
|
| 5274 |
#ifdef TARGET_NR_get_kernel_syms
|
| 5275 |
case TARGET_NR_get_kernel_syms:
|
| 5276 |
#endif
|
| 5277 |
goto unimplemented;
|
| 5278 |
case TARGET_NR_quotactl:
|
| 5279 |
goto unimplemented;
|
| 5280 |
case TARGET_NR_getpgid:
|
| 5281 |
ret = get_errno(getpgid(arg1)); |
| 5282 |
break;
|
| 5283 |
case TARGET_NR_fchdir:
|
| 5284 |
ret = get_errno(fchdir(arg1)); |
| 5285 |
break;
|
| 5286 |
#ifdef TARGET_NR_bdflush /* not on x86_64 */ |
| 5287 |
case TARGET_NR_bdflush:
|
| 5288 |
goto unimplemented;
|
| 5289 |
#endif
|
| 5290 |
#ifdef TARGET_NR_sysfs
|
| 5291 |
case TARGET_NR_sysfs:
|
| 5292 |
goto unimplemented;
|
| 5293 |
#endif
|
| 5294 |
case TARGET_NR_personality:
|
| 5295 |
ret = get_errno(personality(arg1)); |
| 5296 |
break;
|
| 5297 |
#ifdef TARGET_NR_afs_syscall
|
| 5298 |
case TARGET_NR_afs_syscall:
|
| 5299 |
goto unimplemented;
|
| 5300 |
#endif
|
| 5301 |
#ifdef TARGET_NR__llseek /* Not on alpha */ |
| 5302 |
case TARGET_NR__llseek:
|
| 5303 |
{
|
| 5304 |
#if defined (__x86_64__)
|
| 5305 |
ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
|
| 5306 |
if (put_user_s64(ret, arg4))
|
| 5307 |
goto efault;
|
| 5308 |
#else
|
| 5309 |
int64_t res; |
| 5310 |
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
| 5311 |
if (put_user_s64(res, arg4))
|
| 5312 |
goto efault;
|
| 5313 |
#endif
|
| 5314 |
} |
| 5315 |
break;
|
| 5316 |
#endif
|
| 5317 |
case TARGET_NR_getdents:
|
| 5318 |
#if TARGET_ABI_BITS != 32 |
| 5319 |
goto unimplemented;
|
| 5320 |
#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
| 5321 |
{
|
| 5322 |
struct target_dirent *target_dirp;
|
| 5323 |
struct linux_dirent *dirp;
|
| 5324 |
abi_long count = arg3; |
| 5325 |
|
| 5326 |
dirp = malloc(count); |
| 5327 |
if (!dirp) {
|
| 5328 |
ret = -TARGET_ENOMEM; |
| 5329 |
goto fail;
|
| 5330 |
} |
| 5331 |
|
| 5332 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
| 5333 |
if (!is_error(ret)) {
|
| 5334 |
struct linux_dirent *de;
|
| 5335 |
struct target_dirent *tde;
|
| 5336 |
int len = ret;
|
| 5337 |
int reclen, treclen;
|
| 5338 |
int count1, tnamelen;
|
| 5339 |
|
| 5340 |
count1 = 0;
|
| 5341 |
de = dirp; |
| 5342 |
if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
| 5343 |
goto efault;
|
| 5344 |
tde = target_dirp; |
| 5345 |
while (len > 0) { |
| 5346 |
reclen = de->d_reclen; |
| 5347 |
treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long))); |
| 5348 |
tde->d_reclen = tswap16(treclen); |
| 5349 |
tde->d_ino = tswapl(de->d_ino); |
| 5350 |
tde->d_off = tswapl(de->d_off); |
| 5351 |
tnamelen = treclen - (2 * sizeof(abi_long) + 2); |
| 5352 |
if (tnamelen > 256) |
| 5353 |
tnamelen = 256;
|
| 5354 |
/* XXX: may not be correct */
|
| 5355 |
pstrcpy(tde->d_name, tnamelen, de->d_name); |
| 5356 |
de = (struct linux_dirent *)((char *)de + reclen); |
| 5357 |
len -= reclen; |
| 5358 |
tde = (struct target_dirent *)((char *)tde + treclen); |
| 5359 |
count1 += treclen; |
| 5360 |
} |
| 5361 |
ret = count1; |
| 5362 |
unlock_user(target_dirp, arg2, ret); |
| 5363 |
} |
| 5364 |
free(dirp); |
| 5365 |
} |
| 5366 |
#else
|
| 5367 |
{
|
| 5368 |
struct linux_dirent *dirp;
|
| 5369 |
abi_long count = arg3; |
| 5370 |
|
| 5371 |
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
| 5372 |
goto efault;
|
| 5373 |
ret = get_errno(sys_getdents(arg1, dirp, count)); |
| 5374 |
if (!is_error(ret)) {
|
| 5375 |
struct linux_dirent *de;
|
| 5376 |
int len = ret;
|
| 5377 |
int reclen;
|
| 5378 |
de = dirp; |
| 5379 |
while (len > 0) { |
| 5380 |
reclen = de->d_reclen; |
| 5381 |
if (reclen > len)
|
| 5382 |
break;
|
| 5383 |
de->d_reclen = tswap16(reclen); |
| 5384 |
tswapls(&de->d_ino); |
| 5385 |
tswapls(&de->d_off); |
| 5386 |
de = (struct linux_dirent *)((char *)de + reclen); |
| 5387 |
len -= reclen; |
| 5388 |
} |
| 5389 |
} |
| 5390 |
unlock_user(dirp, arg2, ret); |
| 5391 |
} |
| 5392 |
#endif
|
| 5393 |
break;
|
| 5394 |
#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
|
| 5395 |
case TARGET_NR_getdents64:
|
| 5396 |
{
|
| 5397 |
struct linux_dirent64 *dirp;
|
| 5398 |
abi_long count = arg3; |
| 5399 |
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
| 5400 |
goto efault;
|
| 5401 |
ret = get_errno(sys_getdents64(arg1, dirp, count)); |
| 5402 |
if (!is_error(ret)) {
|
| 5403 |
struct linux_dirent64 *de;
|
| 5404 |
int len = ret;
|
| 5405 |
int reclen;
|
| 5406 |
de = dirp; |
| 5407 |
while (len > 0) { |
| 5408 |
reclen = de->d_reclen; |
| 5409 |
if (reclen > len)
|
| 5410 |
break;
|
| 5411 |
de->d_reclen = tswap16(reclen); |
| 5412 |
tswap64s((uint64_t *)&de->d_ino); |
| 5413 |
tswap64s((uint64_t *)&de->d_off); |
| 5414 |
de = (struct linux_dirent64 *)((char *)de + reclen); |
| 5415 |
len -= reclen; |
| 5416 |
} |
| 5417 |
} |
| 5418 |
unlock_user(dirp, arg2, ret); |
| 5419 |
} |
| 5420 |
break;
|
| 5421 |
#endif /* TARGET_NR_getdents64 */ |
| 5422 |
#ifdef TARGET_NR__newselect
|
| 5423 |
case TARGET_NR__newselect:
|
| 5424 |
ret = do_select(arg1, arg2, arg3, arg4, arg5); |
| 5425 |
break;
|
| 5426 |
#endif
|
| 5427 |
#ifdef TARGET_NR_poll
|
| 5428 |
case TARGET_NR_poll:
|
| 5429 |
{
|
| 5430 |
struct target_pollfd *target_pfd;
|
| 5431 |
unsigned int nfds = arg2; |
| 5432 |
int timeout = arg3;
|
| 5433 |
struct pollfd *pfd;
|
| 5434 |
unsigned int i; |
| 5435 |
|
| 5436 |
target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); |
| 5437 |
if (!target_pfd)
|
| 5438 |
goto efault;
|
| 5439 |
pfd = alloca(sizeof(struct pollfd) * nfds); |
| 5440 |
for(i = 0; i < nfds; i++) { |
| 5441 |
pfd[i].fd = tswap32(target_pfd[i].fd); |
| 5442 |
pfd[i].events = tswap16(target_pfd[i].events); |
| 5443 |
} |
| 5444 |
ret = get_errno(poll(pfd, nfds, timeout)); |
| 5445 |
if (!is_error(ret)) {
|
| 5446 |
for(i = 0; i < nfds; i++) { |
| 5447 |
target_pfd[i].revents = tswap16(pfd[i].revents); |
| 5448 |
} |
| 5449 |
ret += nfds * (sizeof(struct target_pollfd) |
| 5450 |
- sizeof(struct pollfd)); |
| 5451 |
} |
| 5452 |
unlock_user(target_pfd, arg1, ret); |
| 5453 |
} |
| 5454 |
break;
|
| 5455 |
#endif
|
| 5456 |
case TARGET_NR_flock:
|
| 5457 |
/* NOTE: the flock constant seems to be the same for every
|
| 5458 |
Linux platform */
|
| 5459 |
ret = get_errno(flock(arg1, arg2)); |
| 5460 |
break;
|
| 5461 |
case TARGET_NR_readv:
|
| 5462 |
{
|
| 5463 |
int count = arg3;
|
| 5464 |
struct iovec *vec;
|
| 5465 |
|
| 5466 |
vec = alloca(count * sizeof(struct iovec)); |
| 5467 |
if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0) |
| 5468 |
goto efault;
|
| 5469 |
ret = get_errno(readv(arg1, vec, count)); |
| 5470 |
unlock_iovec(vec, arg2, count, 1);
|
| 5471 |
} |
| 5472 |
break;
|
| 5473 |
case TARGET_NR_writev:
|
| 5474 |
{
|
| 5475 |
int count = arg3;
|
| 5476 |
struct iovec *vec;
|
| 5477 |
|
| 5478 |
vec = alloca(count * sizeof(struct iovec)); |
| 5479 |
if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0) |
| 5480 |
goto efault;
|
| 5481 |
ret = get_errno(writev(arg1, vec, count)); |
| 5482 |
unlock_iovec(vec, arg2, count, 0);
|
| 5483 |
} |
| 5484 |
break;
|
| 5485 |
case TARGET_NR_getsid:
|
| 5486 |
ret = get_errno(getsid(arg1)); |
| 5487 |
break;
|
| 5488 |
#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
| 5489 |
case TARGET_NR_fdatasync:
|
| 5490 |
ret = get_errno(fdatasync(arg1)); |
| 5491 |
break;
|
| 5492 |
#endif
|
| 5493 |
case TARGET_NR__sysctl:
|
| 5494 |
/* We don't implement this, but ENOTDIR is always a safe
|
| 5495 |
return value. */
|
| 5496 |
ret = -TARGET_ENOTDIR; |
| 5497 |
break;
|
| 5498 |
case TARGET_NR_sched_setparam:
|
| 5499 |
{
|
| 5500 |
struct sched_param *target_schp;
|
| 5501 |
struct sched_param schp;
|
| 5502 |
|
| 5503 |
if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
| 5504 |
goto efault;
|
| 5505 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
| 5506 |
unlock_user_struct(target_schp, arg2, 0);
|
| 5507 |
ret = get_errno(sched_setparam(arg1, &schp)); |
| 5508 |
} |
| 5509 |
break;
|
| 5510 |
case TARGET_NR_sched_getparam:
|
| 5511 |
{
|
| 5512 |
struct sched_param *target_schp;
|
| 5513 |
struct sched_param schp;
|
| 5514 |
ret = get_errno(sched_getparam(arg1, &schp)); |
| 5515 |
if (!is_error(ret)) {
|
| 5516 |
if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
| 5517 |
goto efault;
|
| 5518 |
target_schp->sched_priority = tswap32(schp.sched_priority); |
| 5519 |
unlock_user_struct(target_schp, arg2, 1);
|
| 5520 |
} |
| 5521 |
} |
| 5522 |
break;
|
| 5523 |
case TARGET_NR_sched_setscheduler:
|
| 5524 |
{
|
| 5525 |
struct sched_param *target_schp;
|
| 5526 |
struct sched_param schp;
|
| 5527 |
if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
| 5528 |
goto efault;
|
| 5529 |
schp.sched_priority = tswap32(target_schp->sched_priority); |
| 5530 |
unlock_user_struct(target_schp, arg3, 0);
|
| 5531 |
ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
| 5532 |
} |
| 5533 |
break;
|
| 5534 |
case TARGET_NR_sched_getscheduler:
|
| 5535 |
ret = get_errno(sched_getscheduler(arg1)); |
| 5536 |
break;
|
| 5537 |
case TARGET_NR_sched_yield:
|
| 5538 |
ret = get_errno(sched_yield()); |
| 5539 |
break;
|
| 5540 |
case TARGET_NR_sched_get_priority_max:
|
| 5541 |
ret = get_errno(sched_get_priority_max(arg1)); |
| 5542 |
break;
|
| 5543 |
case TARGET_NR_sched_get_priority_min:
|
| 5544 |
ret = get_errno(sched_get_priority_min(arg1)); |
| 5545 |
break;
|
| 5546 |
case TARGET_NR_sched_rr_get_interval:
|
| 5547 |
{
|
| 5548 |
struct timespec ts;
|
| 5549 |
ret = get_errno(sched_rr_get_interval(arg1, &ts)); |
| 5550 |
if (!is_error(ret)) {
|
| 5551 |
host_to_target_timespec(arg2, &ts); |
| 5552 |
} |
| 5553 |
} |
| 5554 |
break;
|
| 5555 |
case TARGET_NR_nanosleep:
|
| 5556 |
{
|
| 5557 |
struct timespec req, rem;
|
| 5558 |
target_to_host_timespec(&req, arg1); |
| 5559 |
ret = get_errno(nanosleep(&req, &rem)); |
| 5560 |
if (is_error(ret) && arg2) {
|
| 5561 |
host_to_target_timespec(arg2, &rem); |
| 5562 |
} |
| 5563 |
} |
| 5564 |
break;
|
| 5565 |
#ifdef TARGET_NR_query_module
|
| 5566 |
case TARGET_NR_query_module:
|
| 5567 |
goto unimplemented;
|
| 5568 |
#endif
|
| 5569 |
#ifdef TARGET_NR_nfsservctl
|
| 5570 |
case TARGET_NR_nfsservctl:
|
| 5571 |
goto unimplemented;
|
| 5572 |
#endif
|
| 5573 |
case TARGET_NR_prctl:
|
| 5574 |
switch (arg1)
|
| 5575 |
{
|
| 5576 |
case PR_GET_PDEATHSIG:
|
| 5577 |
{
|
| 5578 |
int deathsig;
|
| 5579 |
ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); |
| 5580 |
if (!is_error(ret) && arg2
|
| 5581 |
&& put_user_ual(deathsig, arg2)) |
| 5582 |
goto efault;
|
| 5583 |
} |
| 5584 |
break;
|
| 5585 |
default:
|
| 5586 |
ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); |
| 5587 |
break;
|
| 5588 |
} |
| 5589 |
break;
|
| 5590 |
#ifdef TARGET_NR_arch_prctl
|
| 5591 |
case TARGET_NR_arch_prctl:
|
| 5592 |
#if defined(TARGET_I386) && !defined(TARGET_ABI32)
|
| 5593 |
ret = do_arch_prctl(cpu_env, arg1, arg2); |
| 5594 |
break;
|
| 5595 |
#else
|
| 5596 |
goto unimplemented;
|
| 5597 |
#endif
|
| 5598 |
#endif
|
| 5599 |
#ifdef TARGET_NR_pread
|
| 5600 |
case TARGET_NR_pread:
|
| 5601 |
#ifdef TARGET_ARM
|
| 5602 |
if (((CPUARMState *)cpu_env)->eabi)
|
| 5603 |
arg4 = arg5; |
| 5604 |
#endif
|
| 5605 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
| 5606 |
goto efault;
|
| 5607 |
ret = get_errno(pread(arg1, p, arg3, arg4)); |
| 5608 |
unlock_user(p, arg2, ret); |
| 5609 |
break;
|
| 5610 |
case TARGET_NR_pwrite:
|
| 5611 |
#ifdef TARGET_ARM
|
| 5612 |
if (((CPUARMState *)cpu_env)->eabi)
|
| 5613 |
arg4 = arg5; |
| 5614 |
#endif
|
| 5615 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
| 5616 |
goto efault;
|
| 5617 |
ret = get_errno(pwrite(arg1, p, arg3, arg4)); |
| 5618 |
unlock_user(p, arg2, 0);
|
| 5619 |
break;
|
| 5620 |
#endif
|
| 5621 |
#ifdef TARGET_NR_pread64
|
| 5622 |
case TARGET_NR_pread64:
|
| 5623 |
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
| 5624 |
goto efault;
|
| 5625 |
ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
| 5626 |
unlock_user(p, arg2, ret); |
| 5627 |
break;
|
| 5628 |
case TARGET_NR_pwrite64:
|
| 5629 |
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
| 5630 |
goto efault;
|
| 5631 |
ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
| 5632 |
unlock_user(p, arg2, 0);
|
| 5633 |
break;
|
| 5634 |
#endif
|
| 5635 |
case TARGET_NR_getcwd:
|
| 5636 |
if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
| 5637 |
goto efault;
|
| 5638 |
ret = get_errno(sys_getcwd1(p, arg2)); |
| 5639 |
unlock_user(p, arg1, ret); |
| 5640 |
break;
|
| 5641 |
case TARGET_NR_capget:
|
| 5642 |
goto unimplemented;
|
| 5643 |
case TARGET_NR_capset:
|
| 5644 |
goto unimplemented;
|
| 5645 |
case TARGET_NR_sigaltstack:
|
| 5646 |
#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
|
| 5647 |
defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) |
| 5648 |
ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env)); |
| 5649 |
break;
|
| 5650 |
#else
|
| 5651 |
goto unimplemented;
|
| 5652 |
#endif
|
| 5653 |
case TARGET_NR_sendfile:
|
| 5654 |
goto unimplemented;
|
| 5655 |
#ifdef TARGET_NR_getpmsg
|
| 5656 |
case TARGET_NR_getpmsg:
|
| 5657 |
goto unimplemented;
|
| 5658 |
#endif
|
| 5659 |
#ifdef TARGET_NR_putpmsg
|
| 5660 |
case TARGET_NR_putpmsg:
|
| 5661 |
goto unimplemented;
|
| 5662 |
#endif
|
| 5663 |
#ifdef TARGET_NR_vfork
|
| 5664 |
case TARGET_NR_vfork:
|
| 5665 |
ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, |
| 5666 |
0, 0, 0, 0)); |
| 5667 |
break;
|
| 5668 |
#endif
|
| 5669 |
#ifdef TARGET_NR_ugetrlimit
|
| 5670 |
case TARGET_NR_ugetrlimit:
|
| 5671 |
{
|
| 5672 |
struct rlimit rlim;
|
| 5673 |
ret = get_errno(getrlimit(arg1, &rlim)); |
| 5674 |
if (!is_error(ret)) {
|
| 5675 |
struct target_rlimit *target_rlim;
|
| 5676 |
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
| 5677 |
goto efault;
|
| 5678 |
target_rlim->rlim_cur = tswapl(rlim.rlim_cur); |
| 5679 |
target_rlim->rlim_max = tswapl(rlim.rlim_max); |
| 5680 |
unlock_user_struct(target_rlim, arg2, 1);
|
| 5681 |
} |
| 5682 |
break;
|
| 5683 |
} |
| 5684 |
#endif
|
| 5685 |
#ifdef TARGET_NR_truncate64
|
| 5686 |
case TARGET_NR_truncate64:
|
| 5687 |
if (!(p = lock_user_string(arg1)))
|
| 5688 |
goto efault;
|
| 5689 |
ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
| 5690 |
unlock_user(p, arg1, 0);
|
| 5691 |
break;
|
| 5692 |
#endif
|
| 5693 |
#ifdef TARGET_NR_ftruncate64
|
| 5694 |
case TARGET_NR_ftruncate64:
|
| 5695 |
ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
| 5696 |
break;
|
| 5697 |
#endif
|
| 5698 |
#ifdef TARGET_NR_stat64
|
| 5699 |
case TARGET_NR_stat64:
|
| 5700 |
if (!(p = lock_user_string(arg1)))
|
| 5701 |
goto efault;
|
| 5702 |
ret = get_errno(stat(path(p), &st)); |
| 5703 |
unlock_user(p, arg1, 0);
|
| 5704 |
if (!is_error(ret))
|
| 5705 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
| 5706 |
break;
|
| 5707 |
#endif
|
| 5708 |
#ifdef TARGET_NR_lstat64
|
| 5709 |
case TARGET_NR_lstat64:
|
| 5710 |
if (!(p = lock_user_string(arg1)))
|
| 5711 |
goto efault;
|
| 5712 |
ret = get_errno(lstat(path(p), &st)); |
| 5713 |
unlock_user(p, arg1, 0);
|
| 5714 |
if (!is_error(ret))
|
| 5715 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
| 5716 |
break;
|
| 5717 |
#endif
|
| 5718 |
#ifdef TARGET_NR_fstat64
|
| 5719 |
case TARGET_NR_fstat64:
|
| 5720 |
ret = get_errno(fstat(arg1, &st)); |
| 5721 |
if (!is_error(ret))
|
| 5722 |
ret = host_to_target_stat64(cpu_env, arg2, &st); |
| 5723 |
break;
|
| 5724 |
#endif
|
| 5725 |
#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
|
| 5726 |
(defined(__NR_fstatat64) || defined(__NR_newfstatat)) |
| 5727 |
#ifdef TARGET_NR_fstatat64
|
| 5728 |
case TARGET_NR_fstatat64:
|
| 5729 |
#endif
|
| 5730 |
#ifdef TARGET_NR_newfstatat
|
| 5731 |
case TARGET_NR_newfstatat:
|
| 5732 |
#endif
|
| 5733 |
if (!(p = lock_user_string(arg2)))
|
| 5734 |
goto efault;
|
| 5735 |
#ifdef __NR_fstatat64
|
| 5736 |
ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4)); |
| 5737 |
#else
|
| 5738 |
ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4)); |
| 5739 |
#endif
|
| 5740 |
if (!is_error(ret))
|
| 5741 |
ret = host_to_target_stat64(cpu_env, arg3, &st); |
| 5742 |
break;
|
| 5743 |
#endif
|
| 5744 |
#ifdef USE_UID16
|
| 5745 |
case TARGET_NR_lchown:
|
| 5746 |
if (!(p = lock_user_string(arg1)))
|
| 5747 |
goto efault;
|
| 5748 |
ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
| 5749 |
unlock_user(p, arg1, 0);
|
| 5750 |
break;
|
| 5751 |
case TARGET_NR_getuid:
|
| 5752 |
ret = get_errno(high2lowuid(getuid())); |
| 5753 |
break;
|
| 5754 |
case TARGET_NR_getgid:
|
| 5755 |
ret = get_errno(high2lowgid(getgid())); |
| 5756 |
break;
|
| 5757 |
case TARGET_NR_geteuid:
|
| 5758 |
ret = get_errno(high2lowuid(geteuid())); |
| 5759 |
break;
|
| 5760 |
case TARGET_NR_getegid:
|
| 5761 |
ret = get_errno(high2lowgid(getegid())); |
| 5762 |
break;
|
| 5763 |
case TARGET_NR_setreuid:
|
| 5764 |
ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
| 5765 |
break;
|
| 5766 |
case TARGET_NR_setregid:
|
| 5767 |
ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
| 5768 |
break;
|
| 5769 |
case TARGET_NR_getgroups:
|
| 5770 |
{
|
| 5771 |
int gidsetsize = arg1;
|
| 5772 |
uint16_t *target_grouplist; |
| 5773 |
gid_t *grouplist; |
| 5774 |
int i;
|
| 5775 |
|
| 5776 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 5777 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
| 5778 |
if (gidsetsize == 0) |
| 5779 |
break;
|
| 5780 |
if (!is_error(ret)) {
|
| 5781 |
target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0); |
| 5782 |
if (!target_grouplist)
|
| 5783 |
goto efault;
|
| 5784 |
for(i = 0;i < ret; i++) |
| 5785 |
target_grouplist[i] = tswap16(grouplist[i]); |
| 5786 |
unlock_user(target_grouplist, arg2, gidsetsize * 2);
|
| 5787 |
} |
| 5788 |
} |
| 5789 |
break;
|
| 5790 |
case TARGET_NR_setgroups:
|
| 5791 |
{
|
| 5792 |
int gidsetsize = arg1;
|
| 5793 |
uint16_t *target_grouplist; |
| 5794 |
gid_t *grouplist; |
| 5795 |
int i;
|
| 5796 |
|
| 5797 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 5798 |
target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1); |
| 5799 |
if (!target_grouplist) {
|
| 5800 |
ret = -TARGET_EFAULT; |
| 5801 |
goto fail;
|
| 5802 |
} |
| 5803 |
for(i = 0;i < gidsetsize; i++) |
| 5804 |
grouplist[i] = tswap16(target_grouplist[i]); |
| 5805 |
unlock_user(target_grouplist, arg2, 0);
|
| 5806 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
| 5807 |
} |
| 5808 |
break;
|
| 5809 |
case TARGET_NR_fchown:
|
| 5810 |
ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
| 5811 |
break;
|
| 5812 |
#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
|
| 5813 |
case TARGET_NR_fchownat:
|
| 5814 |
if (!(p = lock_user_string(arg2)))
|
| 5815 |
goto efault;
|
| 5816 |
ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); |
| 5817 |
unlock_user(p, arg2, 0);
|
| 5818 |
break;
|
| 5819 |
#endif
|
| 5820 |
#ifdef TARGET_NR_setresuid
|
| 5821 |
case TARGET_NR_setresuid:
|
| 5822 |
ret = get_errno(setresuid(low2highuid(arg1), |
| 5823 |
low2highuid(arg2), |
| 5824 |
low2highuid(arg3))); |
| 5825 |
break;
|
| 5826 |
#endif
|
| 5827 |
#ifdef TARGET_NR_getresuid
|
| 5828 |
case TARGET_NR_getresuid:
|
| 5829 |
{
|
| 5830 |
uid_t ruid, euid, suid; |
| 5831 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
| 5832 |
if (!is_error(ret)) {
|
| 5833 |
if (put_user_u16(high2lowuid(ruid), arg1)
|
| 5834 |
|| put_user_u16(high2lowuid(euid), arg2) |
| 5835 |
|| put_user_u16(high2lowuid(suid), arg3)) |
| 5836 |
goto efault;
|
| 5837 |
} |
| 5838 |
} |
| 5839 |
break;
|
| 5840 |
#endif
|
| 5841 |
#ifdef TARGET_NR_getresgid
|
| 5842 |
case TARGET_NR_setresgid:
|
| 5843 |
ret = get_errno(setresgid(low2highgid(arg1), |
| 5844 |
low2highgid(arg2), |
| 5845 |
low2highgid(arg3))); |
| 5846 |
break;
|
| 5847 |
#endif
|
| 5848 |
#ifdef TARGET_NR_getresgid
|
| 5849 |
case TARGET_NR_getresgid:
|
| 5850 |
{
|
| 5851 |
gid_t rgid, egid, sgid; |
| 5852 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
| 5853 |
if (!is_error(ret)) {
|
| 5854 |
if (put_user_u16(high2lowgid(rgid), arg1)
|
| 5855 |
|| put_user_u16(high2lowgid(egid), arg2) |
| 5856 |
|| put_user_u16(high2lowgid(sgid), arg3)) |
| 5857 |
goto efault;
|
| 5858 |
} |
| 5859 |
} |
| 5860 |
break;
|
| 5861 |
#endif
|
| 5862 |
case TARGET_NR_chown:
|
| 5863 |
if (!(p = lock_user_string(arg1)))
|
| 5864 |
goto efault;
|
| 5865 |
ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
| 5866 |
unlock_user(p, arg1, 0);
|
| 5867 |
break;
|
| 5868 |
case TARGET_NR_setuid:
|
| 5869 |
ret = get_errno(setuid(low2highuid(arg1))); |
| 5870 |
break;
|
| 5871 |
case TARGET_NR_setgid:
|
| 5872 |
ret = get_errno(setgid(low2highgid(arg1))); |
| 5873 |
break;
|
| 5874 |
case TARGET_NR_setfsuid:
|
| 5875 |
ret = get_errno(setfsuid(arg1)); |
| 5876 |
break;
|
| 5877 |
case TARGET_NR_setfsgid:
|
| 5878 |
ret = get_errno(setfsgid(arg1)); |
| 5879 |
break;
|
| 5880 |
#endif /* USE_UID16 */ |
| 5881 |
|
| 5882 |
#ifdef TARGET_NR_lchown32
|
| 5883 |
case TARGET_NR_lchown32:
|
| 5884 |
if (!(p = lock_user_string(arg1)))
|
| 5885 |
goto efault;
|
| 5886 |
ret = get_errno(lchown(p, arg2, arg3)); |
| 5887 |
unlock_user(p, arg1, 0);
|
| 5888 |
break;
|
| 5889 |
#endif
|
| 5890 |
#ifdef TARGET_NR_getuid32
|
| 5891 |
case TARGET_NR_getuid32:
|
| 5892 |
ret = get_errno(getuid()); |
| 5893 |
break;
|
| 5894 |
#endif
|
| 5895 |
|
| 5896 |
#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
|
| 5897 |
/* Alpha specific */
|
| 5898 |
case TARGET_NR_getxuid:
|
| 5899 |
{
|
| 5900 |
uid_t euid; |
| 5901 |
euid=geteuid(); |
| 5902 |
((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; |
| 5903 |
} |
| 5904 |
ret = get_errno(getuid()); |
| 5905 |
break;
|
| 5906 |
#endif
|
| 5907 |
#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
|
| 5908 |
/* Alpha specific */
|
| 5909 |
case TARGET_NR_getxgid:
|
| 5910 |
{
|
| 5911 |
uid_t egid; |
| 5912 |
egid=getegid(); |
| 5913 |
((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; |
| 5914 |
} |
| 5915 |
ret = get_errno(getgid()); |
| 5916 |
break;
|
| 5917 |
#endif
|
| 5918 |
|
| 5919 |
#ifdef TARGET_NR_getgid32
|
| 5920 |
case TARGET_NR_getgid32:
|
| 5921 |
ret = get_errno(getgid()); |
| 5922 |
break;
|
| 5923 |
#endif
|
| 5924 |
#ifdef TARGET_NR_geteuid32
|
| 5925 |
case TARGET_NR_geteuid32:
|
| 5926 |
ret = get_errno(geteuid()); |
| 5927 |
break;
|
| 5928 |
#endif
|
| 5929 |
#ifdef TARGET_NR_getegid32
|
| 5930 |
case TARGET_NR_getegid32:
|
| 5931 |
ret = get_errno(getegid()); |
| 5932 |
break;
|
| 5933 |
#endif
|
| 5934 |
#ifdef TARGET_NR_setreuid32
|
| 5935 |
case TARGET_NR_setreuid32:
|
| 5936 |
ret = get_errno(setreuid(arg1, arg2)); |
| 5937 |
break;
|
| 5938 |
#endif
|
| 5939 |
#ifdef TARGET_NR_setregid32
|
| 5940 |
case TARGET_NR_setregid32:
|
| 5941 |
ret = get_errno(setregid(arg1, arg2)); |
| 5942 |
break;
|
| 5943 |
#endif
|
| 5944 |
#ifdef TARGET_NR_getgroups32
|
| 5945 |
case TARGET_NR_getgroups32:
|
| 5946 |
{
|
| 5947 |
int gidsetsize = arg1;
|
| 5948 |
uint32_t *target_grouplist; |
| 5949 |
gid_t *grouplist; |
| 5950 |
int i;
|
| 5951 |
|
| 5952 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 5953 |
ret = get_errno(getgroups(gidsetsize, grouplist)); |
| 5954 |
if (gidsetsize == 0) |
| 5955 |
break;
|
| 5956 |
if (!is_error(ret)) {
|
| 5957 |
target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
| 5958 |
if (!target_grouplist) {
|
| 5959 |
ret = -TARGET_EFAULT; |
| 5960 |
goto fail;
|
| 5961 |
} |
| 5962 |
for(i = 0;i < ret; i++) |
| 5963 |
target_grouplist[i] = tswap32(grouplist[i]); |
| 5964 |
unlock_user(target_grouplist, arg2, gidsetsize * 4);
|
| 5965 |
} |
| 5966 |
} |
| 5967 |
break;
|
| 5968 |
#endif
|
| 5969 |
#ifdef TARGET_NR_setgroups32
|
| 5970 |
case TARGET_NR_setgroups32:
|
| 5971 |
{
|
| 5972 |
int gidsetsize = arg1;
|
| 5973 |
uint32_t *target_grouplist; |
| 5974 |
gid_t *grouplist; |
| 5975 |
int i;
|
| 5976 |
|
| 5977 |
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
| 5978 |
target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
| 5979 |
if (!target_grouplist) {
|
| 5980 |
ret = -TARGET_EFAULT; |
| 5981 |
goto fail;
|
| 5982 |
} |
| 5983 |
for(i = 0;i < gidsetsize; i++) |
| 5984 |
grouplist[i] = tswap32(target_grouplist[i]); |
| 5985 |
unlock_user(target_grouplist, arg2, 0);
|
| 5986 |
ret = get_errno(setgroups(gidsetsize, grouplist)); |
| 5987 |
} |
| 5988 |
break;
|
| 5989 |
#endif
|
| 5990 |
#ifdef TARGET_NR_fchown32
|
| 5991 |
case TARGET_NR_fchown32:
|
| 5992 |
ret = get_errno(fchown(arg1, arg2, arg3)); |
| 5993 |
break;
|
| 5994 |
#endif
|
| 5995 |
#ifdef TARGET_NR_setresuid32
|
| 5996 |
case TARGET_NR_setresuid32:
|
| 5997 |
ret = get_errno(setresuid(arg1, arg2, arg3)); |
| 5998 |
break;
|
| 5999 |
#endif
|
| 6000 |
#ifdef TARGET_NR_getresuid32
|
| 6001 |
case TARGET_NR_getresuid32:
|
| 6002 |
{
|
| 6003 |
uid_t ruid, euid, suid; |
| 6004 |
ret = get_errno(getresuid(&ruid, &euid, &suid)); |
| 6005 |
if (!is_error(ret)) {
|
| 6006 |
if (put_user_u32(ruid, arg1)
|
| 6007 |
|| put_user_u32(euid, arg2) |
| 6008 |
|| put_user_u32(suid, arg3)) |
| 6009 |
goto efault;
|
| 6010 |
} |
| 6011 |
} |
| 6012 |
break;
|
| 6013 |
#endif
|
| 6014 |
#ifdef TARGET_NR_setresgid32
|
| 6015 |
case TARGET_NR_setresgid32:
|
| 6016 |
ret = get_errno(setresgid(arg1, arg2, arg3)); |
| 6017 |
break;
|
| 6018 |
#endif
|
| 6019 |
#ifdef TARGET_NR_getresgid32
|
| 6020 |
case TARGET_NR_getresgid32:
|
| 6021 |
{
|
| 6022 |
gid_t rgid, egid, sgid; |
| 6023 |
ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
| 6024 |
if (!is_error(ret)) {
|
| 6025 |
if (put_user_u32(rgid, arg1)
|
| 6026 |
|| put_user_u32(egid, arg2) |
| 6027 |
|| put_user_u32(sgid, arg3)) |
| 6028 |
goto efault;
|
| 6029 |
} |
| 6030 |
} |
| 6031 |
break;
|
| 6032 |
#endif
|
| 6033 |
#ifdef TARGET_NR_chown32
|
| 6034 |
case TARGET_NR_chown32:
|
| 6035 |
if (!(p = lock_user_string(arg1)))
|
| 6036 |
goto efault;
|
| 6037 |
ret = get_errno(chown(p, arg2, arg3)); |
| 6038 |
unlock_user(p, arg1, 0);
|
| 6039 |
break;
|
| 6040 |
#endif
|
| 6041 |
#ifdef TARGET_NR_setuid32
|
| 6042 |
case TARGET_NR_setuid32:
|
| 6043 |
ret = get_errno(setuid(arg1)); |
| 6044 |
break;
|
| 6045 |
#endif
|
| 6046 |
#ifdef TARGET_NR_setgid32
|
| 6047 |
case TARGET_NR_setgid32:
|
| 6048 |
ret = get_errno(setgid(arg1)); |
| 6049 |
break;
|
| 6050 |
#endif
|
| 6051 |
#ifdef TARGET_NR_setfsuid32
|
| 6052 |
case TARGET_NR_setfsuid32:
|
| 6053 |
ret = get_errno(setfsuid(arg1)); |
| 6054 |
break;
|
| 6055 |
#endif
|
| 6056 |
#ifdef TARGET_NR_setfsgid32
|
| 6057 |
case TARGET_NR_setfsgid32:
|
| 6058 |
ret = get_errno(setfsgid(arg1)); |
| 6059 |
break;
|
| 6060 |
#endif
|
| 6061 |
|
| 6062 |
case TARGET_NR_pivot_root:
|
| 6063 |
goto unimplemented;
|
| 6064 |
#ifdef TARGET_NR_mincore
|
| 6065 |
case TARGET_NR_mincore:
|
| 6066 |
{
|
| 6067 |
void *a;
|
| 6068 |
ret = -TARGET_EFAULT; |
| 6069 |
if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0))) |
| 6070 |
goto efault;
|
| 6071 |
if (!(p = lock_user_string(arg3)))
|
| 6072 |
goto mincore_fail;
|
| 6073 |
ret = get_errno(mincore(a, arg2, p)); |
| 6074 |
unlock_user(p, arg3, ret); |
| 6075 |
mincore_fail:
|
| 6076 |
unlock_user(a, arg1, 0);
|
| 6077 |
} |
| 6078 |
break;
|
| 6079 |
#endif
|
| 6080 |
#ifdef TARGET_NR_arm_fadvise64_64
|
| 6081 |
case TARGET_NR_arm_fadvise64_64:
|
| 6082 |
{
|
| 6083 |
/*
|
| 6084 |
* arm_fadvise64_64 looks like fadvise64_64 but
|
| 6085 |
* with different argument order
|
| 6086 |
*/
|
| 6087 |
abi_long temp; |
| 6088 |
temp = arg3; |
| 6089 |
arg3 = arg4; |
| 6090 |
arg4 = temp; |
| 6091 |
} |
| 6092 |
#endif
|
| 6093 |
#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
|
| 6094 |
#ifdef TARGET_NR_fadvise64_64
|
| 6095 |
case TARGET_NR_fadvise64_64:
|
| 6096 |
#endif
|
| 6097 |
/* This is a hint, so ignoring and returning success is ok. */
|
| 6098 |
ret = get_errno(0);
|
| 6099 |
break;
|
| 6100 |
#endif
|
| 6101 |
#ifdef TARGET_NR_madvise
|
| 6102 |
case TARGET_NR_madvise:
|
| 6103 |
/* A straight passthrough may not be safe because qemu sometimes
|
| 6104 |
turns private flie-backed mappings into anonymous mappings.
|
| 6105 |
This will break MADV_DONTNEED.
|
| 6106 |
This is a hint, so ignoring and returning success is ok. */
|
| 6107 |
ret = get_errno(0);
|
| 6108 |
break;
|
| 6109 |
#endif
|
| 6110 |
#if TARGET_ABI_BITS == 32 |
| 6111 |
case TARGET_NR_fcntl64:
|
| 6112 |
{
|
| 6113 |
int cmd;
|
| 6114 |
struct flock64 fl;
|
| 6115 |
struct target_flock64 *target_fl;
|
| 6116 |
#ifdef TARGET_ARM
|
| 6117 |
struct target_eabi_flock64 *target_efl;
|
| 6118 |
#endif
|
| 6119 |
|
| 6120 |
switch(arg2){
|
| 6121 |
case TARGET_F_GETLK64:
|
| 6122 |
cmd = F_GETLK64; |
| 6123 |
break;
|
| 6124 |
case TARGET_F_SETLK64:
|
| 6125 |
cmd = F_SETLK64; |
| 6126 |
break;
|
| 6127 |
case TARGET_F_SETLKW64:
|
| 6128 |
cmd = F_SETLK64; |
| 6129 |
break;
|
| 6130 |
default:
|
| 6131 |
cmd = arg2; |
| 6132 |
break;
|
| 6133 |
} |
| 6134 |
|
| 6135 |
switch(arg2) {
|
| 6136 |
case TARGET_F_GETLK64:
|
| 6137 |
#ifdef TARGET_ARM
|
| 6138 |
if (((CPUARMState *)cpu_env)->eabi) {
|
| 6139 |
if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
| 6140 |
goto efault;
|
| 6141 |
fl.l_type = tswap16(target_efl->l_type); |
| 6142 |
fl.l_whence = tswap16(target_efl->l_whence); |
| 6143 |
fl.l_start = tswap64(target_efl->l_start); |
| 6144 |
fl.l_len = tswap64(target_efl->l_len); |
| 6145 |
fl.l_pid = tswapl(target_efl->l_pid); |
| 6146 |
unlock_user_struct(target_efl, arg3, 0);
|
| 6147 |
} else
|
| 6148 |
#endif
|
| 6149 |
{
|
| 6150 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
| 6151 |
goto efault;
|
| 6152 |
fl.l_type = tswap16(target_fl->l_type); |
| 6153 |
fl.l_whence = tswap16(target_fl->l_whence); |
| 6154 |
fl.l_start = tswap64(target_fl->l_start); |
| 6155 |
fl.l_len = tswap64(target_fl->l_len); |
| 6156 |
fl.l_pid = tswapl(target_fl->l_pid); |
| 6157 |
unlock_user_struct(target_fl, arg3, 0);
|
| 6158 |
} |
| 6159 |
ret = get_errno(fcntl(arg1, cmd, &fl)); |
| 6160 |
if (ret == 0) { |
| 6161 |
#ifdef TARGET_ARM
|
| 6162 |
if (((CPUARMState *)cpu_env)->eabi) {
|
| 6163 |
if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) |
| 6164 |
goto efault;
|
| 6165 |
target_efl->l_type = tswap16(fl.l_type); |
| 6166 |
target_efl->l_whence = tswap16(fl.l_whence); |
| 6167 |
target_efl->l_start = tswap64(fl.l_start); |
| 6168 |
target_efl->l_len = tswap64(fl.l_len); |
| 6169 |
target_efl->l_pid = tswapl(fl.l_pid); |
| 6170 |
unlock_user_struct(target_efl, arg3, 1);
|
| 6171 |
} else
|
| 6172 |
#endif
|
| 6173 |
{
|
| 6174 |
if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) |
| 6175 |
goto efault;
|
| 6176 |
target_fl->l_type = tswap16(fl.l_type); |
| 6177 |
target_fl->l_whence = tswap16(fl.l_whence); |
| 6178 |
target_fl->l_start = tswap64(fl.l_start); |
| 6179 |
target_fl->l_len = tswap64(fl.l_len); |
| 6180 |
target_fl->l_pid = tswapl(fl.l_pid); |
| 6181 |
unlock_user_struct(target_fl, arg3, 1);
|
| 6182 |
} |
| 6183 |
} |
| 6184 |
break;
|
| 6185 |
|
| 6186 |
case TARGET_F_SETLK64:
|
| 6187 |
case TARGET_F_SETLKW64:
|
| 6188 |
#ifdef TARGET_ARM
|
| 6189 |
if (((CPUARMState *)cpu_env)->eabi) {
|
| 6190 |
if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
| 6191 |
goto efault;
|
| 6192 |
fl.l_type = tswap16(target_efl->l_type); |
| 6193 |
fl.l_whence = tswap16(target_efl->l_whence); |
| 6194 |
fl.l_start = tswap64(target_efl->l_start); |
| 6195 |
fl.l_len = tswap64(target_efl->l_len); |
| 6196 |
fl.l_pid = tswapl(target_efl->l_pid); |
| 6197 |
unlock_user_struct(target_efl, arg3, 0);
|
| 6198 |
} else
|
| 6199 |
#endif
|
| 6200 |
{
|
| 6201 |
if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
| 6202 |
goto efault;
|
| 6203 |
fl.l_type = tswap16(target_fl->l_type); |
| 6204 |
fl.l_whence = tswap16(target_fl->l_whence); |
| 6205 |
fl.l_start = tswap64(target_fl->l_start); |
| 6206 |
fl.l_len = tswap64(target_fl->l_len); |
| 6207 |
fl.l_pid = tswapl(target_fl->l_pid); |
| 6208 |
unlock_user_struct(target_fl, arg3, 0);
|
| 6209 |
} |
| 6210 |
ret = get_errno(fcntl(arg1, cmd, &fl)); |
| 6211 |
break;
|
| 6212 |
default:
|
| 6213 |
ret = do_fcntl(arg1, cmd, arg3); |
| 6214 |
break;
|
| 6215 |
} |
| 6216 |
break;
|
| 6217 |
} |
| 6218 |
#endif
|
| 6219 |
#ifdef TARGET_NR_cacheflush
|
| 6220 |
case TARGET_NR_cacheflush:
|
| 6221 |
/* self-modifying code is handled automatically, so nothing needed */
|
| 6222 |
ret = 0;
|
| 6223 |
break;
|
| 6224 |
#endif
|
| 6225 |
#ifdef TARGET_NR_security
|
| 6226 |
case TARGET_NR_security:
|
| 6227 |
goto unimplemented;
|
| 6228 |
#endif
|
| 6229 |
#ifdef TARGET_NR_getpagesize
|
| 6230 |
case TARGET_NR_getpagesize:
|
| 6231 |
ret = TARGET_PAGE_SIZE; |
| 6232 |
break;
|
| 6233 |
#endif
|
| 6234 |
case TARGET_NR_gettid:
|
| 6235 |
ret = get_errno(gettid()); |
| 6236 |
break;
|
| 6237 |
#ifdef TARGET_NR_readahead
|
| 6238 |
case TARGET_NR_readahead:
|
| 6239 |
#if TARGET_ABI_BITS == 32 |
| 6240 |
#ifdef TARGET_ARM
|
| 6241 |
if (((CPUARMState *)cpu_env)->eabi)
|
| 6242 |
{
|
| 6243 |
arg2 = arg3; |
| 6244 |
arg3 = arg4; |
| 6245 |
arg4 = arg5; |
| 6246 |
} |
| 6247 |
#endif
|
| 6248 |
ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
|
| 6249 |
#else
|
| 6250 |
ret = get_errno(readahead(arg1, arg2, arg3)); |
| 6251 |
#endif
|
| 6252 |
break;
|
| 6253 |
#endif
|
| 6254 |
#ifdef TARGET_NR_setxattr
|
| 6255 |
case TARGET_NR_setxattr:
|
| 6256 |
case TARGET_NR_lsetxattr:
|
| 6257 |
case TARGET_NR_fsetxattr:
|
| 6258 |
case TARGET_NR_getxattr:
|
| 6259 |
case TARGET_NR_lgetxattr:
|
| 6260 |
case TARGET_NR_fgetxattr:
|
| 6261 |
case TARGET_NR_listxattr:
|
| 6262 |
case TARGET_NR_llistxattr:
|
| 6263 |
case TARGET_NR_flistxattr:
|
| 6264 |
case TARGET_NR_removexattr:
|
| 6265 |
case TARGET_NR_lremovexattr:
|
| 6266 |
case TARGET_NR_fremovexattr:
|
| 6267 |
goto unimplemented_nowarn;
|
| 6268 |
#endif
|
| 6269 |
#ifdef TARGET_NR_set_thread_area
|
| 6270 |
case TARGET_NR_set_thread_area:
|
| 6271 |
#if defined(TARGET_MIPS)
|
| 6272 |
((CPUMIPSState *) cpu_env)->tls_value = arg1; |
| 6273 |
ret = 0;
|
| 6274 |
break;
|
| 6275 |
#elif defined(TARGET_CRIS)
|
| 6276 |
if (arg1 & 0xff) |
| 6277 |
ret = -TARGET_EINVAL; |
| 6278 |
else {
|
| 6279 |
((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; |
| 6280 |
ret = 0;
|
| 6281 |
} |
| 6282 |
break;
|
| 6283 |
#elif defined(TARGET_I386) && defined(TARGET_ABI32)
|
| 6284 |
ret = do_set_thread_area(cpu_env, arg1); |
| 6285 |
break;
|
| 6286 |
#else
|
| 6287 |
goto unimplemented_nowarn;
|
| 6288 |
#endif
|
| 6289 |
#endif
|
| 6290 |
#ifdef TARGET_NR_get_thread_area
|
| 6291 |
case TARGET_NR_get_thread_area:
|
| 6292 |
#if defined(TARGET_I386) && defined(TARGET_ABI32)
|
| 6293 |
ret = do_get_thread_area(cpu_env, arg1); |
| 6294 |
#else
|
| 6295 |
goto unimplemented_nowarn;
|
| 6296 |
#endif
|
| 6297 |
#endif
|
| 6298 |
#ifdef TARGET_NR_getdomainname
|
| 6299 |
case TARGET_NR_getdomainname:
|
| 6300 |
goto unimplemented_nowarn;
|
| 6301 |
#endif
|
| 6302 |
|
| 6303 |
#ifdef TARGET_NR_clock_gettime
|
| 6304 |
case TARGET_NR_clock_gettime:
|
| 6305 |
{
|
| 6306 |
struct timespec ts;
|
| 6307 |
ret = get_errno(clock_gettime(arg1, &ts)); |
| 6308 |
if (!is_error(ret)) {
|
| 6309 |
host_to_target_timespec(arg2, &ts); |
| 6310 |
} |
| 6311 |
break;
|
| 6312 |
} |
| 6313 |
#endif
|
| 6314 |
#ifdef TARGET_NR_clock_getres
|
| 6315 |
case TARGET_NR_clock_getres:
|
| 6316 |
{
|
| 6317 |
struct timespec ts;
|
| 6318 |
ret = get_errno(clock_getres(arg1, &ts)); |
| 6319 |
if (!is_error(ret)) {
|
| 6320 |
host_to_target_timespec(arg2, &ts); |
| 6321 |
} |
| 6322 |
break;
|
| 6323 |
} |
| 6324 |
#endif
|
| 6325 |
#ifdef TARGET_NR_clock_nanosleep
|
| 6326 |
case TARGET_NR_clock_nanosleep:
|
| 6327 |
{
|
| 6328 |
struct timespec ts;
|
| 6329 |
target_to_host_timespec(&ts, arg3); |
| 6330 |
ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
|
| 6331 |
if (arg4)
|
| 6332 |
host_to_target_timespec(arg4, &ts); |
| 6333 |
break;
|
| 6334 |
} |
| 6335 |
#endif
|
| 6336 |
|
| 6337 |
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
|
| 6338 |
case TARGET_NR_set_tid_address:
|
| 6339 |
ret = get_errno(set_tid_address((int *)g2h(arg1)));
|
| 6340 |
break;
|
| 6341 |
#endif
|
| 6342 |
|
| 6343 |
#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
|
| 6344 |
case TARGET_NR_tkill:
|
| 6345 |
ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
|
| 6346 |
break;
|
| 6347 |
#endif
|
| 6348 |
|
| 6349 |
#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
|
| 6350 |
case TARGET_NR_tgkill:
|
| 6351 |
ret = get_errno(sys_tgkill((int)arg1, (int)arg2, |
| 6352 |
target_to_host_signal(arg3))); |
| 6353 |
break;
|
| 6354 |
#endif
|
| 6355 |
|
| 6356 |
#ifdef TARGET_NR_set_robust_list
|
| 6357 |
case TARGET_NR_set_robust_list:
|
| 6358 |
goto unimplemented_nowarn;
|
| 6359 |
#endif
|
| 6360 |
|
| 6361 |
#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
|
| 6362 |
case TARGET_NR_utimensat:
|
| 6363 |
{
|
| 6364 |
struct timespec ts[2]; |
| 6365 |
target_to_host_timespec(ts, arg3); |
| 6366 |
target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); |
| 6367 |
if (!arg2)
|
| 6368 |
ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
|
| 6369 |
else {
|
| 6370 |
if (!(p = lock_user_string(arg2))) {
|
| 6371 |
ret = -TARGET_EFAULT; |
| 6372 |
goto fail;
|
| 6373 |
} |
| 6374 |
ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4)); |
| 6375 |
unlock_user(p, arg2, 0);
|
| 6376 |
} |
| 6377 |
} |
| 6378 |
break;
|
| 6379 |
#endif
|
| 6380 |
#if defined(USE_NPTL)
|
| 6381 |
case TARGET_NR_futex:
|
| 6382 |
ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); |
| 6383 |
break;
|
| 6384 |
#endif
|
| 6385 |
#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
|
| 6386 |
case TARGET_NR_inotify_init:
|
| 6387 |
ret = get_errno(sys_inotify_init()); |
| 6388 |
break;
|
| 6389 |
#endif
|
| 6390 |
#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
|
| 6391 |
case TARGET_NR_inotify_add_watch:
|
| 6392 |
p = lock_user_string(arg2); |
| 6393 |
ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); |
| 6394 |
unlock_user(p, arg2, 0);
|
| 6395 |
break;
|
| 6396 |
#endif
|
| 6397 |
#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
|
| 6398 |
case TARGET_NR_inotify_rm_watch:
|
| 6399 |
ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); |
| 6400 |
break;
|
| 6401 |
#endif
|
| 6402 |
|
| 6403 |
#ifdef TARGET_NR_mq_open
|
| 6404 |
case TARGET_NR_mq_open:
|
| 6405 |
{
|
| 6406 |
struct mq_attr posix_mq_attr;
|
| 6407 |
|
| 6408 |
p = lock_user_string(arg1 - 1);
|
| 6409 |
if (arg4 != 0) |
| 6410 |
copy_from_user_mq_attr (&posix_mq_attr, arg4); |
| 6411 |
ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr)); |
| 6412 |
unlock_user (p, arg1, 0);
|
| 6413 |
} |
| 6414 |
break;
|
| 6415 |
|
| 6416 |
case TARGET_NR_mq_unlink:
|
| 6417 |
p = lock_user_string(arg1 - 1);
|
| 6418 |
ret = get_errno(mq_unlink(p)); |
| 6419 |
unlock_user (p, arg1, 0);
|
| 6420 |
break;
|
| 6421 |
|
| 6422 |
case TARGET_NR_mq_timedsend:
|
| 6423 |
{
|
| 6424 |
struct timespec ts;
|
| 6425 |
|
| 6426 |
p = lock_user (VERIFY_READ, arg2, arg3, 1);
|
| 6427 |
if (arg5 != 0) { |
| 6428 |
target_to_host_timespec(&ts, arg5); |
| 6429 |
ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts)); |
| 6430 |
host_to_target_timespec(arg5, &ts); |
| 6431 |
} |
| 6432 |
else
|
| 6433 |
ret = get_errno(mq_send(arg1, p, arg3, arg4)); |
| 6434 |
unlock_user (p, arg2, arg3); |
| 6435 |
} |
| 6436 |
break;
|
| 6437 |
|
| 6438 |
case TARGET_NR_mq_timedreceive:
|
| 6439 |
{
|
| 6440 |
struct timespec ts;
|
| 6441 |
unsigned int prio; |
| 6442 |
|
| 6443 |
p = lock_user (VERIFY_READ, arg2, arg3, 1);
|
| 6444 |
if (arg5 != 0) { |
| 6445 |
target_to_host_timespec(&ts, arg5); |
| 6446 |
ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts)); |
| 6447 |
host_to_target_timespec(arg5, &ts); |
| 6448 |
} |
| 6449 |
else
|
| 6450 |
ret = get_errno(mq_receive(arg1, p, arg3, &prio)); |
| 6451 |
unlock_user (p, arg2, arg3); |
| 6452 |
if (arg4 != 0) |
| 6453 |
put_user_u32(prio, arg4); |
| 6454 |
} |
| 6455 |
break;
|
| 6456 |
|
| 6457 |
/* Not implemented for now... */
|
| 6458 |
/* case TARGET_NR_mq_notify: */
|
| 6459 |
/* break; */
|
| 6460 |
|
| 6461 |
case TARGET_NR_mq_getsetattr:
|
| 6462 |
{
|
| 6463 |
struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
|
| 6464 |
ret = 0;
|
| 6465 |
if (arg3 != 0) { |
| 6466 |
ret = mq_getattr(arg1, &posix_mq_attr_out); |
| 6467 |
copy_to_user_mq_attr(arg3, &posix_mq_attr_out); |
| 6468 |
} |
| 6469 |
if (arg2 != 0) { |
| 6470 |
copy_from_user_mq_attr(&posix_mq_attr_in, arg2); |
| 6471 |
ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out); |
| 6472 |
} |
| 6473 |
|
| 6474 |
} |
| 6475 |
break;
|
| 6476 |
#endif
|
| 6477 |
|
| 6478 |
default:
|
| 6479 |
unimplemented:
|
| 6480 |
gemu_log("qemu: Unsupported syscall: %d\n", num);
|
| 6481 |
#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
|
| 6482 |
unimplemented_nowarn:
|
| 6483 |
#endif
|
| 6484 |
ret = -TARGET_ENOSYS; |
| 6485 |
break;
|
| 6486 |
} |
| 6487 |
fail:
|
| 6488 |
#ifdef DEBUG
|
| 6489 |
gemu_log(" = %ld\n", ret);
|
| 6490 |
#endif
|
| 6491 |
if(do_strace)
|
| 6492 |
print_syscall_ret(num, ret); |
| 6493 |
return ret;
|
| 6494 |
efault:
|
| 6495 |
ret = -TARGET_EFAULT; |
| 6496 |
goto fail;
|
| 6497 |
} |