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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/linux-user/syscall.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/linux-user/syscall.c')
-rw-r--r--qemu/linux-user/syscall.c10262
1 files changed, 0 insertions, 10262 deletions
diff --git a/qemu/linux-user/syscall.c b/qemu/linux-user/syscall.c
deleted file mode 100644
index 032d33886..000000000
--- a/qemu/linux-user/syscall.c
+++ /dev/null
@@ -1,10262 +0,0 @@
-/*
- * Linux syscalls
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-#define _ATFILE_SOURCE
-#include "qemu/osdep.h"
-#include "qemu/cutils.h"
-#include "qemu/path.h"
-#include <elf.h>
-#include <endian.h>
-#include <grp.h>
-#include <sys/ipc.h>
-#include <sys/msg.h>
-#include <sys/wait.h>
-#include <sys/mount.h>
-#include <sys/file.h>
-#include <sys/fsuid.h>
-#include <sys/personality.h>
-#include <sys/prctl.h>
-#include <sys/resource.h>
-#include <sys/mman.h>
-#include <sys/swap.h>
-#include <linux/capability.h>
-#include <sched.h>
-#ifdef __ia64__
-int __clone2(int (*fn)(void *), void *child_stack_base,
- size_t stack_size, int flags, void *arg, ...);
-#endif
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <sys/uio.h>
-#include <sys/poll.h>
-#include <sys/times.h>
-#include <sys/shm.h>
-#include <sys/sem.h>
-#include <sys/statfs.h>
-#include <utime.h>
-#include <sys/sysinfo.h>
-#include <sys/signalfd.h>
-//#include <sys/user.h>
-#include <netinet/ip.h>
-#include <netinet/tcp.h>
-#include <linux/wireless.h>
-#include <linux/icmp.h>
-#include "qemu-common.h"
-#ifdef CONFIG_TIMERFD
-#include <sys/timerfd.h>
-#endif
-#ifdef TARGET_GPROF
-#include <sys/gmon.h>
-#endif
-#ifdef CONFIG_EVENTFD
-#include <sys/eventfd.h>
-#endif
-#ifdef CONFIG_EPOLL
-#include <sys/epoll.h>
-#endif
-#ifdef CONFIG_ATTR
-#include "qemu/xattr.h"
-#endif
-#ifdef CONFIG_SENDFILE
-#include <sys/sendfile.h>
-#endif
-
-#define termios host_termios
-#define winsize host_winsize
-#define termio host_termio
-#define sgttyb host_sgttyb /* same as target */
-#define tchars host_tchars /* same as target */
-#define ltchars host_ltchars /* same as target */
-
-#include <linux/termios.h>
-#include <linux/unistd.h>
-#include <linux/cdrom.h>
-#include <linux/hdreg.h>
-#include <linux/soundcard.h>
-#include <linux/kd.h>
-#include <linux/mtio.h>
-#include <linux/fs.h>
-#if defined(CONFIG_FIEMAP)
-#include <linux/fiemap.h>
-#endif
-#include <linux/fb.h>
-#include <linux/vt.h>
-#include <linux/dm-ioctl.h>
-#include <linux/reboot.h>
-#include <linux/route.h>
-#include <linux/filter.h>
-#include <linux/blkpg.h>
-#include "linux_loop.h"
-#include "uname.h"
-
-#include "qemu.h"
-
-#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
- CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
-
-//#define DEBUG
-
-//#include <linux/msdos_fs.h>
-#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
-#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
-
-
-#undef _syscall0
-#undef _syscall1
-#undef _syscall2
-#undef _syscall3
-#undef _syscall4
-#undef _syscall5
-#undef _syscall6
-
-#define _syscall0(type,name) \
-static type name (void) \
-{ \
- return syscall(__NR_##name); \
-}
-
-#define _syscall1(type,name,type1,arg1) \
-static type name (type1 arg1) \
-{ \
- return syscall(__NR_##name, arg1); \
-}
-
-#define _syscall2(type,name,type1,arg1,type2,arg2) \
-static type name (type1 arg1,type2 arg2) \
-{ \
- return syscall(__NR_##name, arg1, arg2); \
-}
-
-#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
-static type name (type1 arg1,type2 arg2,type3 arg3) \
-{ \
- return syscall(__NR_##name, arg1, arg2, arg3); \
-}
-
-#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
-static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
-{ \
- return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
-}
-
-#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
- type5,arg5) \
-static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
-{ \
- return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
-}
-
-
-#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
- type5,arg5,type6,arg6) \
-static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
- type6 arg6) \
-{ \
- return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
-}
-
-
-#define __NR_sys_uname __NR_uname
-#define __NR_sys_getcwd1 __NR_getcwd
-#define __NR_sys_getdents __NR_getdents
-#define __NR_sys_getdents64 __NR_getdents64
-#define __NR_sys_getpriority __NR_getpriority
-#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
-#define __NR_sys_syslog __NR_syslog
-#define __NR_sys_tgkill __NR_tgkill
-#define __NR_sys_tkill __NR_tkill
-#define __NR_sys_futex __NR_futex
-#define __NR_sys_inotify_init __NR_inotify_init
-#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
-#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
-
-#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
- defined(__s390x__)
-#define __NR__llseek __NR_lseek
-#endif
-
-/* Newer kernel ports have llseek() instead of _llseek() */
-#if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
-#define TARGET_NR__llseek TARGET_NR_llseek
-#endif
-
-#ifdef __NR_gettid
-_syscall0(int, gettid)
-#else
-/* This is a replacement for the host gettid() and must return a host
- errno. */
-static int gettid(void) {
- return -ENOSYS;
-}
-#endif
-#if defined(TARGET_NR_getdents) && defined(__NR_getdents)
-_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
-#endif
-#if !defined(__NR_getdents) || \
- (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
-_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
-#endif
-#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
-_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
- loff_t *, res, uint, wh);
-#endif
-_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
-_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
-#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
-_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
-#endif
-#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
-_syscall2(int,sys_tkill,int,tid,int,sig)
-#endif
-#ifdef __NR_exit_group
-_syscall1(int,exit_group,int,error_code)
-#endif
-#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
-_syscall1(int,set_tid_address,int *,tidptr)
-#endif
-#if defined(TARGET_NR_futex) && defined(__NR_futex)
-_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
- const struct timespec *,timeout,int *,uaddr2,int,val3)
-#endif
-#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
-_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
- unsigned long *, user_mask_ptr);
-#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
-_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
- unsigned long *, user_mask_ptr);
-_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
- void *, arg);
-_syscall2(int, capget, struct __user_cap_header_struct *, header,
- struct __user_cap_data_struct *, data);
-_syscall2(int, capset, struct __user_cap_header_struct *, header,
- struct __user_cap_data_struct *, data);
-#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
-_syscall2(int, ioprio_get, int, which, int, who)
-#endif
-#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
-_syscall3(int, ioprio_set, int, which, int, who, int, ioprio)
-#endif
-#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
-_syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
-#endif
-
-static bitmask_transtbl fcntl_flags_tbl[] = {
- { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
- { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
- { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
- { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
- { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
- { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
- { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
- { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
- { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
- { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
- { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
- { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
- { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
-#if defined(O_DIRECT)
- { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
-#endif
-#if defined(O_NOATIME)
- { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
-#endif
-#if defined(O_CLOEXEC)
- { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
-#endif
-#if defined(O_PATH)
- { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
-#endif
- /* Don't terminate the list prematurely on 64-bit host+guest. */
-#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
- { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
-#endif
- { 0, 0, 0, 0 }
-};
-
-typedef abi_long (*TargetFdDataFunc)(void *, size_t);
-typedef abi_long (*TargetFdAddrFunc)(void *, abi_ulong, socklen_t);
-typedef struct TargetFdTrans {
- TargetFdDataFunc host_to_target_data;
- TargetFdDataFunc target_to_host_data;
- TargetFdAddrFunc target_to_host_addr;
-} TargetFdTrans;
-
-static TargetFdTrans **target_fd_trans;
-
-static unsigned int target_fd_max;
-
-static TargetFdDataFunc fd_trans_host_to_target_data(int fd)
-{
- if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) {
- return target_fd_trans[fd]->host_to_target_data;
- }
- return NULL;
-}
-
-static TargetFdAddrFunc fd_trans_target_to_host_addr(int fd)
-{
- if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) {
- return target_fd_trans[fd]->target_to_host_addr;
- }
- return NULL;
-}
-
-static void fd_trans_register(int fd, TargetFdTrans *trans)
-{
- unsigned int oldmax;
-
- if (fd >= target_fd_max) {
- oldmax = target_fd_max;
- target_fd_max = ((fd >> 6) + 1) << 6; /* by slice of 64 entries */
- target_fd_trans = g_renew(TargetFdTrans *,
- target_fd_trans, target_fd_max);
- memset((void *)(target_fd_trans + oldmax), 0,
- (target_fd_max - oldmax) * sizeof(TargetFdTrans *));
- }
- target_fd_trans[fd] = trans;
-}
-
-static void fd_trans_unregister(int fd)
-{
- if (fd >= 0 && fd < target_fd_max) {
- target_fd_trans[fd] = NULL;
- }
-}
-
-static void fd_trans_dup(int oldfd, int newfd)
-{
- fd_trans_unregister(newfd);
- if (oldfd < target_fd_max && target_fd_trans[oldfd]) {
- fd_trans_register(newfd, target_fd_trans[oldfd]);
- }
-}
-
-static int sys_getcwd1(char *buf, size_t size)
-{
- if (getcwd(buf, size) == NULL) {
- /* getcwd() sets errno */
- return (-1);
- }
- return strlen(buf)+1;
-}
-
-static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode)
-{
- /*
- * open(2) has extra parameter 'mode' when called with
- * flag O_CREAT.
- */
- if ((flags & O_CREAT) != 0) {
- return (openat(dirfd, pathname, flags, mode));
- }
- return (openat(dirfd, pathname, flags));
-}
-
-#ifdef TARGET_NR_utimensat
-#ifdef CONFIG_UTIMENSAT
-static int sys_utimensat(int dirfd, const char *pathname,
- const struct timespec times[2], int flags)
-{
- if (pathname == NULL)
- return futimens(dirfd, times);
- else
- return utimensat(dirfd, pathname, times, flags);
-}
-#elif defined(__NR_utimensat)
-#define __NR_sys_utimensat __NR_utimensat
-_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
- const struct timespec *,tsp,int,flags)
-#else
-static int sys_utimensat(int dirfd, const char *pathname,
- const struct timespec times[2], int flags)
-{
- errno = ENOSYS;
- return -1;
-}
-#endif
-#endif /* TARGET_NR_utimensat */
-
-#ifdef CONFIG_INOTIFY
-#include <sys/inotify.h>
-
-#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
-static int sys_inotify_init(void)
-{
- return (inotify_init());
-}
-#endif
-#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
-static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
-{
- return (inotify_add_watch(fd, pathname, mask));
-}
-#endif
-#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
-static int sys_inotify_rm_watch(int fd, int32_t wd)
-{
- return (inotify_rm_watch(fd, wd));
-}
-#endif
-#ifdef CONFIG_INOTIFY1
-#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
-static int sys_inotify_init1(int flags)
-{
- return (inotify_init1(flags));
-}
-#endif
-#endif
-#else
-/* Userspace can usually survive runtime without inotify */
-#undef TARGET_NR_inotify_init
-#undef TARGET_NR_inotify_init1
-#undef TARGET_NR_inotify_add_watch
-#undef TARGET_NR_inotify_rm_watch
-#endif /* CONFIG_INOTIFY */
-
-#if defined(TARGET_NR_ppoll)
-#ifndef __NR_ppoll
-# define __NR_ppoll -1
-#endif
-#define __NR_sys_ppoll __NR_ppoll
-_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
- struct timespec *, timeout, const sigset_t *, sigmask,
- size_t, sigsetsize)
-#endif
-
-#if defined(TARGET_NR_pselect6)
-#ifndef __NR_pselect6
-# define __NR_pselect6 -1
-#endif
-#define __NR_sys_pselect6 __NR_pselect6
-_syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
- fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
-#endif
-
-#if defined(TARGET_NR_prlimit64)
-#ifndef __NR_prlimit64
-# define __NR_prlimit64 -1
-#endif
-#define __NR_sys_prlimit64 __NR_prlimit64
-/* The glibc rlimit structure may not be that used by the underlying syscall */
-struct host_rlimit64 {
- uint64_t rlim_cur;
- uint64_t rlim_max;
-};
-_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
- const struct host_rlimit64 *, new_limit,
- struct host_rlimit64 *, old_limit)
-#endif
-
-
-#if defined(TARGET_NR_timer_create)
-/* Maxiumum of 32 active POSIX timers allowed at any one time. */
-static timer_t g_posix_timers[32] = { 0, } ;
-
-static inline int next_free_host_timer(void)
-{
- int k ;
- /* FIXME: Does finding the next free slot require a lock? */
- for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) {
- if (g_posix_timers[k] == 0) {
- g_posix_timers[k] = (timer_t) 1;
- return k;
- }
- }
- return -1;
-}
-#endif
-
-/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
-#ifdef TARGET_ARM
-static inline int regpairs_aligned(void *cpu_env) {
- return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
-}
-#elif defined(TARGET_MIPS)
-static inline int regpairs_aligned(void *cpu_env) { return 1; }
-#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
-/* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
- * of registers which translates to the same as ARM/MIPS, because we start with
- * r3 as arg1 */
-static inline int regpairs_aligned(void *cpu_env) { return 1; }
-#else
-static inline int regpairs_aligned(void *cpu_env) { return 0; }
-#endif
-
-#define ERRNO_TABLE_SIZE 1200
-
-/* target_to_host_errno_table[] is initialized from
- * host_to_target_errno_table[] in syscall_init(). */
-static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
-};
-
-/*
- * This list is the union of errno values overridden in asm-<arch>/errno.h
- * minus the errnos that are not actually generic to all archs.
- */
-static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
- [EAGAIN] = TARGET_EAGAIN,
- [EIDRM] = TARGET_EIDRM,
- [ECHRNG] = TARGET_ECHRNG,
- [EL2NSYNC] = TARGET_EL2NSYNC,
- [EL3HLT] = TARGET_EL3HLT,
- [EL3RST] = TARGET_EL3RST,
- [ELNRNG] = TARGET_ELNRNG,
- [EUNATCH] = TARGET_EUNATCH,
- [ENOCSI] = TARGET_ENOCSI,
- [EL2HLT] = TARGET_EL2HLT,
- [EDEADLK] = TARGET_EDEADLK,
- [ENOLCK] = TARGET_ENOLCK,
- [EBADE] = TARGET_EBADE,
- [EBADR] = TARGET_EBADR,
- [EXFULL] = TARGET_EXFULL,
- [ENOANO] = TARGET_ENOANO,
- [EBADRQC] = TARGET_EBADRQC,
- [EBADSLT] = TARGET_EBADSLT,
- [EBFONT] = TARGET_EBFONT,
- [ENOSTR] = TARGET_ENOSTR,
- [ENODATA] = TARGET_ENODATA,
- [ETIME] = TARGET_ETIME,
- [ENOSR] = TARGET_ENOSR,
- [ENONET] = TARGET_ENONET,
- [ENOPKG] = TARGET_ENOPKG,
- [EREMOTE] = TARGET_EREMOTE,
- [ENOLINK] = TARGET_ENOLINK,
- [EADV] = TARGET_EADV,
- [ESRMNT] = TARGET_ESRMNT,
- [ECOMM] = TARGET_ECOMM,
- [EPROTO] = TARGET_EPROTO,
- [EDOTDOT] = TARGET_EDOTDOT,
- [EMULTIHOP] = TARGET_EMULTIHOP,
- [EBADMSG] = TARGET_EBADMSG,
- [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
- [EOVERFLOW] = TARGET_EOVERFLOW,
- [ENOTUNIQ] = TARGET_ENOTUNIQ,
- [EBADFD] = TARGET_EBADFD,
- [EREMCHG] = TARGET_EREMCHG,
- [ELIBACC] = TARGET_ELIBACC,
- [ELIBBAD] = TARGET_ELIBBAD,
- [ELIBSCN] = TARGET_ELIBSCN,
- [ELIBMAX] = TARGET_ELIBMAX,
- [ELIBEXEC] = TARGET_ELIBEXEC,
- [EILSEQ] = TARGET_EILSEQ,
- [ENOSYS] = TARGET_ENOSYS,
- [ELOOP] = TARGET_ELOOP,
- [ERESTART] = TARGET_ERESTART,
- [ESTRPIPE] = TARGET_ESTRPIPE,
- [ENOTEMPTY] = TARGET_ENOTEMPTY,
- [EUSERS] = TARGET_EUSERS,
- [ENOTSOCK] = TARGET_ENOTSOCK,
- [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
- [EMSGSIZE] = TARGET_EMSGSIZE,
- [EPROTOTYPE] = TARGET_EPROTOTYPE,
- [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
- [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
- [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
- [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
- [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
- [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
- [EADDRINUSE] = TARGET_EADDRINUSE,
- [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
- [ENETDOWN] = TARGET_ENETDOWN,
- [ENETUNREACH] = TARGET_ENETUNREACH,
- [ENETRESET] = TARGET_ENETRESET,
- [ECONNABORTED] = TARGET_ECONNABORTED,
- [ECONNRESET] = TARGET_ECONNRESET,
- [ENOBUFS] = TARGET_ENOBUFS,
- [EISCONN] = TARGET_EISCONN,
- [ENOTCONN] = TARGET_ENOTCONN,
- [EUCLEAN] = TARGET_EUCLEAN,
- [ENOTNAM] = TARGET_ENOTNAM,
- [ENAVAIL] = TARGET_ENAVAIL,
- [EISNAM] = TARGET_EISNAM,
- [EREMOTEIO] = TARGET_EREMOTEIO,
- [ESHUTDOWN] = TARGET_ESHUTDOWN,
- [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
- [ETIMEDOUT] = TARGET_ETIMEDOUT,
- [ECONNREFUSED] = TARGET_ECONNREFUSED,
- [EHOSTDOWN] = TARGET_EHOSTDOWN,
- [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
- [EALREADY] = TARGET_EALREADY,
- [EINPROGRESS] = TARGET_EINPROGRESS,
- [ESTALE] = TARGET_ESTALE,
- [ECANCELED] = TARGET_ECANCELED,
- [ENOMEDIUM] = TARGET_ENOMEDIUM,
- [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
-#ifdef ENOKEY
- [ENOKEY] = TARGET_ENOKEY,
-#endif
-#ifdef EKEYEXPIRED
- [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
-#endif
-#ifdef EKEYREVOKED
- [EKEYREVOKED] = TARGET_EKEYREVOKED,
-#endif
-#ifdef EKEYREJECTED
- [EKEYREJECTED] = TARGET_EKEYREJECTED,
-#endif
-#ifdef EOWNERDEAD
- [EOWNERDEAD] = TARGET_EOWNERDEAD,
-#endif
-#ifdef ENOTRECOVERABLE
- [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
-#endif
-};
-
-static inline int host_to_target_errno(int err)
-{
- if(host_to_target_errno_table[err])
- return host_to_target_errno_table[err];
- return err;
-}
-
-static inline int target_to_host_errno(int err)
-{
- if (target_to_host_errno_table[err])
- return target_to_host_errno_table[err];
- return err;
-}
-
-static inline abi_long get_errno(abi_long ret)
-{
- if (ret == -1)
- return -host_to_target_errno(errno);
- else
- return ret;
-}
-
-static inline int is_error(abi_long ret)
-{
- return (abi_ulong)ret >= (abi_ulong)(-4096);
-}
-
-char *target_strerror(int err)
-{
- if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
- return NULL;
- }
- return strerror(target_to_host_errno(err));
-}
-
-static inline int host_to_target_sock_type(int host_type)
-{
- int target_type;
-
- switch (host_type & 0xf /* SOCK_TYPE_MASK */) {
- case SOCK_DGRAM:
- target_type = TARGET_SOCK_DGRAM;
- break;
- case SOCK_STREAM:
- target_type = TARGET_SOCK_STREAM;
- break;
- default:
- target_type = host_type & 0xf /* SOCK_TYPE_MASK */;
- break;
- }
-
-#if defined(SOCK_CLOEXEC)
- if (host_type & SOCK_CLOEXEC) {
- target_type |= TARGET_SOCK_CLOEXEC;
- }
-#endif
-
-#if defined(SOCK_NONBLOCK)
- if (host_type & SOCK_NONBLOCK) {
- target_type |= TARGET_SOCK_NONBLOCK;
- }
-#endif
-
- return target_type;
-}
-
-static abi_ulong target_brk;
-static abi_ulong target_original_brk;
-static abi_ulong brk_page;
-
-void target_set_brk(abi_ulong new_brk)
-{
- target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
- brk_page = HOST_PAGE_ALIGN(target_brk);
-}
-
-//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
-#define DEBUGF_BRK(message, args...)
-
-/* do_brk() must return target values and target errnos. */
-abi_long do_brk(abi_ulong new_brk)
-{
- abi_long mapped_addr;
- int new_alloc_size;
-
- DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
-
- if (!new_brk) {
- DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
- return target_brk;
- }
- if (new_brk < target_original_brk) {
- DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
- target_brk);
- return target_brk;
- }
-
- /* If the new brk is less than the highest page reserved to the
- * target heap allocation, set it and we're almost done... */
- if (new_brk <= brk_page) {
- /* Heap contents are initialized to zero, as for anonymous
- * mapped pages. */
- if (new_brk > target_brk) {
- memset(g2h(target_brk), 0, new_brk - target_brk);
- }
- target_brk = new_brk;
- DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
- return target_brk;
- }
-
- /* We need to allocate more memory after the brk... Note that
- * we don't use MAP_FIXED because that will map over the top of
- * any existing mapping (like the one with the host libc or qemu
- * itself); instead we treat "mapped but at wrong address" as
- * a failure and unmap again.
- */
- new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
- mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
- PROT_READ|PROT_WRITE,
- MAP_ANON|MAP_PRIVATE, 0, 0));
-
- if (mapped_addr == brk_page) {
- /* Heap contents are initialized to zero, as for anonymous
- * mapped pages. Technically the new pages are already
- * initialized to zero since they *are* anonymous mapped
- * pages, however we have to take care with the contents that
- * come from the remaining part of the previous page: it may
- * contains garbage data due to a previous heap usage (grown
- * then shrunken). */
- memset(g2h(target_brk), 0, brk_page - target_brk);
-
- target_brk = new_brk;
- brk_page = HOST_PAGE_ALIGN(target_brk);
- DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
- target_brk);
- return target_brk;
- } else if (mapped_addr != -1) {
- /* Mapped but at wrong address, meaning there wasn't actually
- * enough space for this brk.
- */
- target_munmap(mapped_addr, new_alloc_size);
- mapped_addr = -1;
- DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
- }
- else {
- DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
- }
-
-#if defined(TARGET_ALPHA)
- /* We (partially) emulate OSF/1 on Alpha, which requires we
- return a proper errno, not an unchanged brk value. */
- return -TARGET_ENOMEM;
-#endif
- /* For everything else, return the previous break. */
- return target_brk;
-}
-
-static inline abi_long copy_from_user_fdset(fd_set *fds,
- abi_ulong target_fds_addr,
- int n)
-{
- int i, nw, j, k;
- abi_ulong b, *target_fds;
-
- nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
- if (!(target_fds = lock_user(VERIFY_READ,
- target_fds_addr,
- sizeof(abi_ulong) * nw,
- 1)))
- return -TARGET_EFAULT;
-
- FD_ZERO(fds);
- k = 0;
- for (i = 0; i < nw; i++) {
- /* grab the abi_ulong */
- __get_user(b, &target_fds[i]);
- for (j = 0; j < TARGET_ABI_BITS; j++) {
- /* check the bit inside the abi_ulong */
- if ((b >> j) & 1)
- FD_SET(k, fds);
- k++;
- }
- }
-
- unlock_user(target_fds, target_fds_addr, 0);
-
- return 0;
-}
-
-static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
- abi_ulong target_fds_addr,
- int n)
-{
- if (target_fds_addr) {
- if (copy_from_user_fdset(fds, target_fds_addr, n))
- return -TARGET_EFAULT;
- *fds_ptr = fds;
- } else {
- *fds_ptr = NULL;
- }
- return 0;
-}
-
-static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
- const fd_set *fds,
- int n)
-{
- int i, nw, j, k;
- abi_long v;
- abi_ulong *target_fds;
-
- nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
- if (!(target_fds = lock_user(VERIFY_WRITE,
- target_fds_addr,
- sizeof(abi_ulong) * nw,
- 0)))
- return -TARGET_EFAULT;
-
- k = 0;
- for (i = 0; i < nw; i++) {
- v = 0;
- for (j = 0; j < TARGET_ABI_BITS; j++) {
- v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
- k++;
- }
- __put_user(v, &target_fds[i]);
- }
-
- unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
-
- return 0;
-}
-
-#if defined(__alpha__)
-#define HOST_HZ 1024
-#else
-#define HOST_HZ 100
-#endif
-
-static inline abi_long host_to_target_clock_t(long ticks)
-{
-#if HOST_HZ == TARGET_HZ
- return ticks;
-#else
- return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
-#endif
-}
-
-static inline abi_long host_to_target_rusage(abi_ulong target_addr,
- const struct rusage *rusage)
-{
- struct target_rusage *target_rusage;
-
- if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
- return -TARGET_EFAULT;
- target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
- target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
- target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
- target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
- target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
- target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
- target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
- target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
- target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
- target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
- target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
- target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
- target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
- target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
- target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
- target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
- target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
- target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
- unlock_user_struct(target_rusage, target_addr, 1);
-
- return 0;
-}
-
-static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
-{
- abi_ulong target_rlim_swap;
- rlim_t result;
-
- target_rlim_swap = tswapal(target_rlim);
- if (target_rlim_swap == TARGET_RLIM_INFINITY)
- return RLIM_INFINITY;
-
- result = target_rlim_swap;
- if (target_rlim_swap != (rlim_t)result)
- return RLIM_INFINITY;
-
- return result;
-}
-
-static inline abi_ulong host_to_target_rlim(rlim_t rlim)
-{
- abi_ulong target_rlim_swap;
- abi_ulong result;
-
- if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
- target_rlim_swap = TARGET_RLIM_INFINITY;
- else
- target_rlim_swap = rlim;
- result = tswapal(target_rlim_swap);
-
- return result;
-}
-
-static inline int target_to_host_resource(int code)
-{
- switch (code) {
- case TARGET_RLIMIT_AS:
- return RLIMIT_AS;
- case TARGET_RLIMIT_CORE:
- return RLIMIT_CORE;
- case TARGET_RLIMIT_CPU:
- return RLIMIT_CPU;
- case TARGET_RLIMIT_DATA:
- return RLIMIT_DATA;
- case TARGET_RLIMIT_FSIZE:
- return RLIMIT_FSIZE;
- case TARGET_RLIMIT_LOCKS:
- return RLIMIT_LOCKS;
- case TARGET_RLIMIT_MEMLOCK:
- return RLIMIT_MEMLOCK;
- case TARGET_RLIMIT_MSGQUEUE:
- return RLIMIT_MSGQUEUE;
- case TARGET_RLIMIT_NICE:
- return RLIMIT_NICE;
- case TARGET_RLIMIT_NOFILE:
- return RLIMIT_NOFILE;
- case TARGET_RLIMIT_NPROC:
- return RLIMIT_NPROC;
- case TARGET_RLIMIT_RSS:
- return RLIMIT_RSS;
- case TARGET_RLIMIT_RTPRIO:
- return RLIMIT_RTPRIO;
- case TARGET_RLIMIT_SIGPENDING:
- return RLIMIT_SIGPENDING;
- case TARGET_RLIMIT_STACK:
- return RLIMIT_STACK;
- default:
- return code;
- }
-}
-
-static inline abi_long copy_from_user_timeval(struct timeval *tv,
- abi_ulong target_tv_addr)
-{
- struct target_timeval *target_tv;
-
- if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
- return -TARGET_EFAULT;
-
- __get_user(tv->tv_sec, &target_tv->tv_sec);
- __get_user(tv->tv_usec, &target_tv->tv_usec);
-
- unlock_user_struct(target_tv, target_tv_addr, 0);
-
- return 0;
-}
-
-static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
- const struct timeval *tv)
-{
- struct target_timeval *target_tv;
-
- if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
- return -TARGET_EFAULT;
-
- __put_user(tv->tv_sec, &target_tv->tv_sec);
- __put_user(tv->tv_usec, &target_tv->tv_usec);
-
- unlock_user_struct(target_tv, target_tv_addr, 1);
-
- return 0;
-}
-
-static inline abi_long copy_from_user_timezone(struct timezone *tz,
- abi_ulong target_tz_addr)
-{
- struct target_timezone *target_tz;
-
- if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) {
- return -TARGET_EFAULT;
- }
-
- __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
- __get_user(tz->tz_dsttime, &target_tz->tz_dsttime);
-
- unlock_user_struct(target_tz, target_tz_addr, 0);
-
- return 0;
-}
-
-#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
-#include <mqueue.h>
-
-static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
- abi_ulong target_mq_attr_addr)
-{
- struct target_mq_attr *target_mq_attr;
-
- if (!lock_user_struct(VERIFY_READ, target_mq_attr,
- target_mq_attr_addr, 1))
- return -TARGET_EFAULT;
-
- __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
- __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
- __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
- __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
-
- unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
-
- return 0;
-}
-
-static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
- const struct mq_attr *attr)
-{
- struct target_mq_attr *target_mq_attr;
-
- if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
- target_mq_attr_addr, 0))
- return -TARGET_EFAULT;
-
- __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
- __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
- __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
- __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
-
- unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
-
- return 0;
-}
-#endif
-
-#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
-/* do_select() must return target values and target errnos. */
-static abi_long do_select(int n,
- abi_ulong rfd_addr, abi_ulong wfd_addr,
- abi_ulong efd_addr, abi_ulong target_tv_addr)
-{
- fd_set rfds, wfds, efds;
- fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
- struct timeval tv, *tv_ptr;
- abi_long ret;
-
- ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
- if (ret) {
- return ret;
- }
- ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
- if (ret) {
- return ret;
- }
- ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
- if (ret) {
- return ret;
- }
-
- if (target_tv_addr) {
- if (copy_from_user_timeval(&tv, target_tv_addr))
- return -TARGET_EFAULT;
- tv_ptr = &tv;
- } else {
- tv_ptr = NULL;
- }
-
- ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
-
- if (!is_error(ret)) {
- if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
- return -TARGET_EFAULT;
- if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
- return -TARGET_EFAULT;
- if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
- return -TARGET_EFAULT;
-
- if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
- return -TARGET_EFAULT;
- }
-
- return ret;
-}
-#endif
-
-static abi_long do_pipe2(int host_pipe[], int flags)
-{
-#ifdef CONFIG_PIPE2
- return pipe2(host_pipe, flags);
-#else
- return -ENOSYS;
-#endif
-}
-
-static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
- int flags, int is_pipe2)
-{
- int host_pipe[2];
- abi_long ret;
- ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
-
- if (is_error(ret))
- return get_errno(ret);
-
- /* Several targets have special calling conventions for the original
- pipe syscall, but didn't replicate this into the pipe2 syscall. */
- if (!is_pipe2) {
-#if defined(TARGET_ALPHA)
- ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
- return host_pipe[0];
-#elif defined(TARGET_MIPS)
- ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
- return host_pipe[0];
-#elif defined(TARGET_SH4)
- ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
- return host_pipe[0];
-#elif defined(TARGET_SPARC)
- ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1];
- return host_pipe[0];
-#endif
- }
-
- if (put_user_s32(host_pipe[0], pipedes)
- || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
- return -TARGET_EFAULT;
- return get_errno(ret);
-}
-
-static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
- abi_ulong target_addr,
- socklen_t len)
-{
- struct target_ip_mreqn *target_smreqn;
-
- target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
- if (!target_smreqn)
- return -TARGET_EFAULT;
- mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
- mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
- if (len == sizeof(struct target_ip_mreqn))
- mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
- unlock_user(target_smreqn, target_addr, 0);
-
- return 0;
-}
-
-static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr,
- abi_ulong target_addr,
- socklen_t len)
-{
- const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
- sa_family_t sa_family;
- struct target_sockaddr *target_saddr;
-
- if (fd_trans_target_to_host_addr(fd)) {
- return fd_trans_target_to_host_addr(fd)(addr, target_addr, len);
- }
-
- target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
- if (!target_saddr)
- return -TARGET_EFAULT;
-
- sa_family = tswap16(target_saddr->sa_family);
-
- /* Oops. The caller might send a incomplete sun_path; sun_path
- * must be terminated by \0 (see the manual page), but
- * unfortunately it is quite common to specify sockaddr_un
- * length as "strlen(x->sun_path)" while it should be
- * "strlen(...) + 1". We'll fix that here if needed.
- * Linux kernel has a similar feature.
- */
-
- if (sa_family == AF_UNIX) {
- if (len < unix_maxlen && len > 0) {
- char *cp = (char*)target_saddr;
-
- if ( cp[len-1] && !cp[len] )
- len++;
- }
- if (len > unix_maxlen)
- len = unix_maxlen;
- }
-
- memcpy(addr, target_saddr, len);
- addr->sa_family = sa_family;
- if (sa_family == AF_PACKET) {
- struct target_sockaddr_ll *lladdr;
-
- lladdr = (struct target_sockaddr_ll *)addr;
- lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex);
- lladdr->sll_hatype = tswap16(lladdr->sll_hatype);
- }
- unlock_user(target_saddr, target_addr, 0);
-
- return 0;
-}
-
-static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
- struct sockaddr *addr,
- socklen_t len)
-{
- struct target_sockaddr *target_saddr;
-
- target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
- if (!target_saddr)
- return -TARGET_EFAULT;
- memcpy(target_saddr, addr, len);
- target_saddr->sa_family = tswap16(addr->sa_family);
- unlock_user(target_saddr, target_addr, len);
-
- return 0;
-}
-
-static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
- struct target_msghdr *target_msgh)
-{
- struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
- abi_long msg_controllen;
- abi_ulong target_cmsg_addr;
- struct target_cmsghdr *target_cmsg, *target_cmsg_start;
- socklen_t space = 0;
-
- msg_controllen = tswapal(target_msgh->msg_controllen);
- if (msg_controllen < sizeof (struct target_cmsghdr))
- goto the_end;
- target_cmsg_addr = tswapal(target_msgh->msg_control);
- target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
- target_cmsg_start = target_cmsg;
- if (!target_cmsg)
- return -TARGET_EFAULT;
-
- while (cmsg && target_cmsg) {
- void *data = CMSG_DATA(cmsg);
- void *target_data = TARGET_CMSG_DATA(target_cmsg);
-
- int len = tswapal(target_cmsg->cmsg_len)
- - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
-
- space += CMSG_SPACE(len);
- if (space > msgh->msg_controllen) {
- space -= CMSG_SPACE(len);
- /* This is a QEMU bug, since we allocated the payload
- * area ourselves (unlike overflow in host-to-target
- * conversion, which is just the guest giving us a buffer
- * that's too small). It can't happen for the payload types
- * we currently support; if it becomes an issue in future
- * we would need to improve our allocation strategy to
- * something more intelligent than "twice the size of the
- * target buffer we're reading from".
- */
- gemu_log("Host cmsg overflow\n");
- break;
- }
-
- if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
- cmsg->cmsg_level = SOL_SOCKET;
- } else {
- cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
- }
- cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
- cmsg->cmsg_len = CMSG_LEN(len);
-
- if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
- int *fd = (int *)data;
- int *target_fd = (int *)target_data;
- int i, numfds = len / sizeof(int);
-
- for (i = 0; i < numfds; i++) {
- __get_user(fd[i], target_fd + i);
- }
- } else if (cmsg->cmsg_level == SOL_SOCKET
- && cmsg->cmsg_type == SCM_CREDENTIALS) {
- struct ucred *cred = (struct ucred *)data;
- struct target_ucred *target_cred =
- (struct target_ucred *)target_data;
-
- __get_user(cred->pid, &target_cred->pid);
- __get_user(cred->uid, &target_cred->uid);
- __get_user(cred->gid, &target_cred->gid);
- } else {
- gemu_log("Unsupported ancillary data: %d/%d\n",
- cmsg->cmsg_level, cmsg->cmsg_type);
- memcpy(data, target_data, len);
- }
-
- cmsg = CMSG_NXTHDR(msgh, cmsg);
- target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
- target_cmsg_start);
- }
- unlock_user(target_cmsg, target_cmsg_addr, 0);
- the_end:
- msgh->msg_controllen = space;
- return 0;
-}
-
-static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
- struct msghdr *msgh)
-{
- struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
- abi_long msg_controllen;
- abi_ulong target_cmsg_addr;
- struct target_cmsghdr *target_cmsg, *target_cmsg_start;
- socklen_t space = 0;
-
- msg_controllen = tswapal(target_msgh->msg_controllen);
- if (msg_controllen < sizeof (struct target_cmsghdr))
- goto the_end;
- target_cmsg_addr = tswapal(target_msgh->msg_control);
- target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
- target_cmsg_start = target_cmsg;
- if (!target_cmsg)
- return -TARGET_EFAULT;
-
- while (cmsg && target_cmsg) {
- void *data = CMSG_DATA(cmsg);
- void *target_data = TARGET_CMSG_DATA(target_cmsg);
-
- int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
- int tgt_len, tgt_space;
-
- /* We never copy a half-header but may copy half-data;
- * this is Linux's behaviour in put_cmsg(). Note that
- * truncation here is a guest problem (which we report
- * to the guest via the CTRUNC bit), unlike truncation
- * in target_to_host_cmsg, which is a QEMU bug.
- */
- if (msg_controllen < sizeof(struct cmsghdr)) {
- target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
- break;
- }
-
- if (cmsg->cmsg_level == SOL_SOCKET) {
- target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
- } else {
- target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
- }
- target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
-
- tgt_len = TARGET_CMSG_LEN(len);
-
- /* Payload types which need a different size of payload on
- * the target must adjust tgt_len here.
- */
- switch (cmsg->cmsg_level) {
- case SOL_SOCKET:
- switch (cmsg->cmsg_type) {
- case SO_TIMESTAMP:
- tgt_len = sizeof(struct target_timeval);
- break;
- default:
- break;
- }
- default:
- break;
- }
-
- if (msg_controllen < tgt_len) {
- target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
- tgt_len = msg_controllen;
- }
-
- /* We must now copy-and-convert len bytes of payload
- * into tgt_len bytes of destination space. Bear in mind
- * that in both source and destination we may be dealing
- * with a truncated value!
- */
- switch (cmsg->cmsg_level) {
- case SOL_SOCKET:
- switch (cmsg->cmsg_type) {
- case SCM_RIGHTS:
- {
- int *fd = (int *)data;
- int *target_fd = (int *)target_data;
- int i, numfds = tgt_len / sizeof(int);
-
- for (i = 0; i < numfds; i++) {
- __put_user(fd[i], target_fd + i);
- }
- break;
- }
- case SO_TIMESTAMP:
- {
- struct timeval *tv = (struct timeval *)data;
- struct target_timeval *target_tv =
- (struct target_timeval *)target_data;
-
- if (len != sizeof(struct timeval) ||
- tgt_len != sizeof(struct target_timeval)) {
- goto unimplemented;
- }
-
- /* copy struct timeval to target */
- __put_user(tv->tv_sec, &target_tv->tv_sec);
- __put_user(tv->tv_usec, &target_tv->tv_usec);
- break;
- }
- case SCM_CREDENTIALS:
- {
- struct ucred *cred = (struct ucred *)data;
- struct target_ucred *target_cred =
- (struct target_ucred *)target_data;
-
- __put_user(cred->pid, &target_cred->pid);
- __put_user(cred->uid, &target_cred->uid);
- __put_user(cred->gid, &target_cred->gid);
- break;
- }
- default:
- goto unimplemented;
- }
- break;
-
- default:
- unimplemented:
- gemu_log("Unsupported ancillary data: %d/%d\n",
- cmsg->cmsg_level, cmsg->cmsg_type);
- memcpy(target_data, data, MIN(len, tgt_len));
- if (tgt_len > len) {
- memset(target_data + len, 0, tgt_len - len);
- }
- }
-
- target_cmsg->cmsg_len = tswapal(tgt_len);
- tgt_space = TARGET_CMSG_SPACE(len);
- if (msg_controllen < tgt_space) {
- tgt_space = msg_controllen;
- }
- msg_controllen -= tgt_space;
- space += tgt_space;
- cmsg = CMSG_NXTHDR(msgh, cmsg);
- target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
- target_cmsg_start);
- }
- unlock_user(target_cmsg, target_cmsg_addr, space);
- the_end:
- target_msgh->msg_controllen = tswapal(space);
- return 0;
-}
-
-/* do_setsockopt() Must return target values and target errnos. */
-static abi_long do_setsockopt(int sockfd, int level, int optname,
- abi_ulong optval_addr, socklen_t optlen)
-{
- abi_long ret;
- int val;
- struct ip_mreqn *ip_mreq;
- struct ip_mreq_source *ip_mreq_source;
-
- switch(level) {
- case SOL_TCP:
- /* TCP options all take an 'int' value. */
- if (optlen < sizeof(uint32_t))
- return -TARGET_EINVAL;
-
- if (get_user_u32(val, optval_addr))
- return -TARGET_EFAULT;
- ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
- break;
- case SOL_IP:
- switch(optname) {
- case IP_TOS:
- case IP_TTL:
- case IP_HDRINCL:
- case IP_ROUTER_ALERT:
- case IP_RECVOPTS:
- case IP_RETOPTS:
- case IP_PKTINFO:
- case IP_MTU_DISCOVER:
- case IP_RECVERR:
- case IP_RECVTOS:
-#ifdef IP_FREEBIND
- case IP_FREEBIND:
-#endif
- case IP_MULTICAST_TTL:
- case IP_MULTICAST_LOOP:
- val = 0;
- if (optlen >= sizeof(uint32_t)) {
- if (get_user_u32(val, optval_addr))
- return -TARGET_EFAULT;
- } else if (optlen >= 1) {
- if (get_user_u8(val, optval_addr))
- return -TARGET_EFAULT;
- }
- ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
- break;
- case IP_ADD_MEMBERSHIP:
- case IP_DROP_MEMBERSHIP:
- if (optlen < sizeof (struct target_ip_mreq) ||
- optlen > sizeof (struct target_ip_mreqn))
- return -TARGET_EINVAL;
-
- ip_mreq = (struct ip_mreqn *) alloca(optlen);
- target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
- ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
- break;
-
- case IP_BLOCK_SOURCE:
- case IP_UNBLOCK_SOURCE:
- case IP_ADD_SOURCE_MEMBERSHIP:
- case IP_DROP_SOURCE_MEMBERSHIP:
- if (optlen != sizeof (struct target_ip_mreq_source))
- return -TARGET_EINVAL;
-
- ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
- ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
- unlock_user (ip_mreq_source, optval_addr, 0);
- break;
-
- default:
- goto unimplemented;
- }
- break;
- case SOL_IPV6:
- switch (optname) {
- case IPV6_MTU_DISCOVER:
- case IPV6_MTU:
- case IPV6_V6ONLY:
- case IPV6_RECVPKTINFO:
- val = 0;
- if (optlen < sizeof(uint32_t)) {
- return -TARGET_EINVAL;
- }
- if (get_user_u32(val, optval_addr)) {
- return -TARGET_EFAULT;
- }
- ret = get_errno(setsockopt(sockfd, level, optname,
- &val, sizeof(val)));
- break;
- default:
- goto unimplemented;
- }
- break;
- case SOL_RAW:
- switch (optname) {
- case ICMP_FILTER:
- /* struct icmp_filter takes an u32 value */
- if (optlen < sizeof(uint32_t)) {
- return -TARGET_EINVAL;
- }
-
- if (get_user_u32(val, optval_addr)) {
- return -TARGET_EFAULT;
- }
- ret = get_errno(setsockopt(sockfd, level, optname,
- &val, sizeof(val)));
- break;
-
- default:
- goto unimplemented;
- }
- break;
- case TARGET_SOL_SOCKET:
- switch (optname) {
- case TARGET_SO_RCVTIMEO:
- {
- struct timeval tv;
-
- optname = SO_RCVTIMEO;
-
-set_timeout:
- if (optlen != sizeof(struct target_timeval)) {
- return -TARGET_EINVAL;
- }
-
- if (copy_from_user_timeval(&tv, optval_addr)) {
- return -TARGET_EFAULT;
- }
-
- ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
- &tv, sizeof(tv)));
- return ret;
- }
- case TARGET_SO_SNDTIMEO:
- optname = SO_SNDTIMEO;
- goto set_timeout;
- case TARGET_SO_ATTACH_FILTER:
- {
- struct target_sock_fprog *tfprog;
- struct target_sock_filter *tfilter;
- struct sock_fprog fprog;
- struct sock_filter *filter;
- int i;
-
- if (optlen != sizeof(*tfprog)) {
- return -TARGET_EINVAL;
- }
- if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
- return -TARGET_EFAULT;
- }
- if (!lock_user_struct(VERIFY_READ, tfilter,
- tswapal(tfprog->filter), 0)) {
- unlock_user_struct(tfprog, optval_addr, 1);
- return -TARGET_EFAULT;
- }
-
- fprog.len = tswap16(tfprog->len);
- filter = g_try_new(struct sock_filter, fprog.len);
- if (filter == NULL) {
- unlock_user_struct(tfilter, tfprog->filter, 1);
- unlock_user_struct(tfprog, optval_addr, 1);
- return -TARGET_ENOMEM;
- }
- for (i = 0; i < fprog.len; i++) {
- filter[i].code = tswap16(tfilter[i].code);
- filter[i].jt = tfilter[i].jt;
- filter[i].jf = tfilter[i].jf;
- filter[i].k = tswap32(tfilter[i].k);
- }
- fprog.filter = filter;
-
- ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
- SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
- g_free(filter);
-
- unlock_user_struct(tfilter, tfprog->filter, 1);
- unlock_user_struct(tfprog, optval_addr, 1);
- return ret;
- }
- case TARGET_SO_BINDTODEVICE:
- {
- char *dev_ifname, *addr_ifname;
-
- if (optlen > IFNAMSIZ - 1) {
- optlen = IFNAMSIZ - 1;
- }
- dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1);
- if (!dev_ifname) {
- return -TARGET_EFAULT;
- }
- optname = SO_BINDTODEVICE;
- addr_ifname = alloca(IFNAMSIZ);
- memcpy(addr_ifname, dev_ifname, optlen);
- addr_ifname[optlen] = 0;
- ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
- addr_ifname, optlen));
- unlock_user (dev_ifname, optval_addr, 0);
- return ret;
- }
- /* Options with 'int' argument. */
- case TARGET_SO_DEBUG:
- optname = SO_DEBUG;
- break;
- case TARGET_SO_REUSEADDR:
- optname = SO_REUSEADDR;
- break;
- case TARGET_SO_TYPE:
- optname = SO_TYPE;
- break;
- case TARGET_SO_ERROR:
- optname = SO_ERROR;
- break;
- case TARGET_SO_DONTROUTE:
- optname = SO_DONTROUTE;
- break;
- case TARGET_SO_BROADCAST:
- optname = SO_BROADCAST;
- break;
- case TARGET_SO_SNDBUF:
- optname = SO_SNDBUF;
- break;
- case TARGET_SO_SNDBUFFORCE:
- optname = SO_SNDBUFFORCE;
- break;
- case TARGET_SO_RCVBUF:
- optname = SO_RCVBUF;
- break;
- case TARGET_SO_RCVBUFFORCE:
- optname = SO_RCVBUFFORCE;
- break;
- case TARGET_SO_KEEPALIVE:
- optname = SO_KEEPALIVE;
- break;
- case TARGET_SO_OOBINLINE:
- optname = SO_OOBINLINE;
- break;
- case TARGET_SO_NO_CHECK:
- optname = SO_NO_CHECK;
- break;
- case TARGET_SO_PRIORITY:
- optname = SO_PRIORITY;
- break;
-#ifdef SO_BSDCOMPAT
- case TARGET_SO_BSDCOMPAT:
- optname = SO_BSDCOMPAT;
- break;
-#endif
- case TARGET_SO_PASSCRED:
- optname = SO_PASSCRED;
- break;
- case TARGET_SO_PASSSEC:
- optname = SO_PASSSEC;
- break;
- case TARGET_SO_TIMESTAMP:
- optname = SO_TIMESTAMP;
- break;
- case TARGET_SO_RCVLOWAT:
- optname = SO_RCVLOWAT;
- break;
- break;
- default:
- goto unimplemented;
- }
- if (optlen < sizeof(uint32_t))
- return -TARGET_EINVAL;
-
- if (get_user_u32(val, optval_addr))
- return -TARGET_EFAULT;
- ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
- break;
- default:
- unimplemented:
- gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
- ret = -TARGET_ENOPROTOOPT;
- }
- return ret;
-}
-
-/* do_getsockopt() Must return target values and target errnos. */
-static abi_long do_getsockopt(int sockfd, int level, int optname,
- abi_ulong optval_addr, abi_ulong optlen)
-{
- abi_long ret;
- int len, val;
- socklen_t lv;
-
- switch(level) {
- case TARGET_SOL_SOCKET:
- level = SOL_SOCKET;
- switch (optname) {
- /* These don't just return a single integer */
- case TARGET_SO_LINGER:
- case TARGET_SO_RCVTIMEO:
- case TARGET_SO_SNDTIMEO:
- case TARGET_SO_PEERNAME:
- goto unimplemented;
- case TARGET_SO_PEERCRED: {
- struct ucred cr;
- socklen_t crlen;
- struct target_ucred *tcr;
-
- if (get_user_u32(len, optlen)) {
- return -TARGET_EFAULT;
- }
- if (len < 0) {
- return -TARGET_EINVAL;
- }
-
- crlen = sizeof(cr);
- ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
- &cr, &crlen));
- if (ret < 0) {
- return ret;
- }
- if (len > crlen) {
- len = crlen;
- }
- if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
- return -TARGET_EFAULT;
- }
- __put_user(cr.pid, &tcr->pid);
- __put_user(cr.uid, &tcr->uid);
- __put_user(cr.gid, &tcr->gid);
- unlock_user_struct(tcr, optval_addr, 1);
- if (put_user_u32(len, optlen)) {
- return -TARGET_EFAULT;
- }
- break;
- }
- /* Options with 'int' argument. */
- case TARGET_SO_DEBUG:
- optname = SO_DEBUG;
- goto int_case;
- case TARGET_SO_REUSEADDR:
- optname = SO_REUSEADDR;
- goto int_case;
- case TARGET_SO_TYPE:
- optname = SO_TYPE;
- goto int_case;
- case TARGET_SO_ERROR:
- optname = SO_ERROR;
- goto int_case;
- case TARGET_SO_DONTROUTE:
- optname = SO_DONTROUTE;
- goto int_case;
- case TARGET_SO_BROADCAST:
- optname = SO_BROADCAST;
- goto int_case;
- case TARGET_SO_SNDBUF:
- optname = SO_SNDBUF;
- goto int_case;
- case TARGET_SO_RCVBUF:
- optname = SO_RCVBUF;
- goto int_case;
- case TARGET_SO_KEEPALIVE:
- optname = SO_KEEPALIVE;
- goto int_case;
- case TARGET_SO_OOBINLINE:
- optname = SO_OOBINLINE;
- goto int_case;
- case TARGET_SO_NO_CHECK:
- optname = SO_NO_CHECK;
- goto int_case;
- case TARGET_SO_PRIORITY:
- optname = SO_PRIORITY;
- goto int_case;
-#ifdef SO_BSDCOMPAT
- case TARGET_SO_BSDCOMPAT:
- optname = SO_BSDCOMPAT;
- goto int_case;
-#endif
- case TARGET_SO_PASSCRED:
- optname = SO_PASSCRED;
- goto int_case;
- case TARGET_SO_TIMESTAMP:
- optname = SO_TIMESTAMP;
- goto int_case;
- case TARGET_SO_RCVLOWAT:
- optname = SO_RCVLOWAT;
- goto int_case;
- case TARGET_SO_ACCEPTCONN:
- optname = SO_ACCEPTCONN;
- goto int_case;
- default:
- goto int_case;
- }
- break;
- case SOL_TCP:
- /* TCP options all take an 'int' value. */
- int_case:
- if (get_user_u32(len, optlen))
- return -TARGET_EFAULT;
- if (len < 0)
- return -TARGET_EINVAL;
- lv = sizeof(lv);
- ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
- if (ret < 0)
- return ret;
- if (optname == SO_TYPE) {
- val = host_to_target_sock_type(val);
- }
- if (len > lv)
- len = lv;
- if (len == 4) {
- if (put_user_u32(val, optval_addr))
- return -TARGET_EFAULT;
- } else {
- if (put_user_u8(val, optval_addr))
- return -TARGET_EFAULT;
- }
- if (put_user_u32(len, optlen))
- return -TARGET_EFAULT;
- break;
- case SOL_IP:
- switch(optname) {
- case IP_TOS:
- case IP_TTL:
- case IP_HDRINCL:
- case IP_ROUTER_ALERT:
- case IP_RECVOPTS:
- case IP_RETOPTS:
- case IP_PKTINFO:
- case IP_MTU_DISCOVER:
- case IP_RECVERR:
- case IP_RECVTOS:
-#ifdef IP_FREEBIND
- case IP_FREEBIND:
-#endif
- case IP_MULTICAST_TTL:
- case IP_MULTICAST_LOOP:
- if (get_user_u32(len, optlen))
- return -TARGET_EFAULT;
- if (len < 0)
- return -TARGET_EINVAL;
- lv = sizeof(lv);
- ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
- if (ret < 0)
- return ret;
- if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
- len = 1;
- if (put_user_u32(len, optlen)
- || put_user_u8(val, optval_addr))
- return -TARGET_EFAULT;
- } else {
- if (len > sizeof(int))
- len = sizeof(int);
- if (put_user_u32(len, optlen)
- || put_user_u32(val, optval_addr))
- return -TARGET_EFAULT;
- }
- break;
- default:
- ret = -TARGET_ENOPROTOOPT;
- break;
- }
- break;
- default:
- unimplemented:
- gemu_log("getsockopt level=%d optname=%d not yet supported\n",
- level, optname);
- ret = -TARGET_EOPNOTSUPP;
- break;
- }
- return ret;
-}
-
-static struct iovec *lock_iovec(int type, abi_ulong target_addr,
- int count, int copy)
-{
- struct target_iovec *target_vec;
- struct iovec *vec;
- abi_ulong total_len, max_len;
- int i;
- int err = 0;
- bool bad_address = false;
-
- if (count == 0) {
- errno = 0;
- return NULL;
- }
- if (count < 0 || count > IOV_MAX) {
- errno = EINVAL;
- return NULL;
- }
-
- vec = g_try_new0(struct iovec, count);
- if (vec == NULL) {
- errno = ENOMEM;
- return NULL;
- }
-
- target_vec = lock_user(VERIFY_READ, target_addr,
- count * sizeof(struct target_iovec), 1);
- if (target_vec == NULL) {
- err = EFAULT;
- goto fail2;
- }
-
- /* ??? If host page size > target page size, this will result in a
- value larger than what we can actually support. */
- max_len = 0x7fffffff & TARGET_PAGE_MASK;
- total_len = 0;
-
- for (i = 0; i < count; i++) {
- abi_ulong base = tswapal(target_vec[i].iov_base);
- abi_long len = tswapal(target_vec[i].iov_len);
-
- if (len < 0) {
- err = EINVAL;
- goto fail;
- } else if (len == 0) {
- /* Zero length pointer is ignored. */
- vec[i].iov_base = 0;
- } else {
- vec[i].iov_base = lock_user(type, base, len, copy);
- /* If the first buffer pointer is bad, this is a fault. But
- * subsequent bad buffers will result in a partial write; this
- * is realized by filling the vector with null pointers and
- * zero lengths. */
- if (!vec[i].iov_base) {
- if (i == 0) {
- err = EFAULT;
- goto fail;
- } else {
- bad_address = true;
- }
- }
- if (bad_address) {
- len = 0;
- }
- if (len > max_len - total_len) {
- len = max_len - total_len;
- }
- }
- vec[i].iov_len = len;
- total_len += len;
- }
-
- unlock_user(target_vec, target_addr, 0);
- return vec;
-
- fail:
- while (--i >= 0) {
- if (tswapal(target_vec[i].iov_len) > 0) {
- unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0);
- }
- }
- unlock_user(target_vec, target_addr, 0);
- fail2:
- g_free(vec);
- errno = err;
- return NULL;
-}
-
-static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
- int count, int copy)
-{
- struct target_iovec *target_vec;
- int i;
-
- target_vec = lock_user(VERIFY_READ, target_addr,
- count * sizeof(struct target_iovec), 1);
- if (target_vec) {
- for (i = 0; i < count; i++) {
- abi_ulong base = tswapal(target_vec[i].iov_base);
- abi_long len = tswapal(target_vec[i].iov_len);
- if (len < 0) {
- break;
- }
- unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
- }
- unlock_user(target_vec, target_addr, 0);
- }
-
- g_free(vec);
-}
-
-static inline int target_to_host_sock_type(int *type)
-{
- int host_type = 0;
- int target_type = *type;
-
- switch (target_type & TARGET_SOCK_TYPE_MASK) {
- case TARGET_SOCK_DGRAM:
- host_type = SOCK_DGRAM;
- break;
- case TARGET_SOCK_STREAM:
- host_type = SOCK_STREAM;
- break;
- default:
- host_type = target_type & TARGET_SOCK_TYPE_MASK;
- break;
- }
- if (target_type & TARGET_SOCK_CLOEXEC) {
-#if defined(SOCK_CLOEXEC)
- host_type |= SOCK_CLOEXEC;
-#else
- return -TARGET_EINVAL;
-#endif
- }
- if (target_type & TARGET_SOCK_NONBLOCK) {
-#if defined(SOCK_NONBLOCK)
- host_type |= SOCK_NONBLOCK;
-#elif !defined(O_NONBLOCK)
- return -TARGET_EINVAL;
-#endif
- }
- *type = host_type;
- return 0;
-}
-
-/* Try to emulate socket type flags after socket creation. */
-static int sock_flags_fixup(int fd, int target_type)
-{
-#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
- if (target_type & TARGET_SOCK_NONBLOCK) {
- int flags = fcntl(fd, F_GETFL);
- if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
- close(fd);
- return -TARGET_EINVAL;
- }
- }
-#endif
- return fd;
-}
-
-static abi_long packet_target_to_host_sockaddr(void *host_addr,
- abi_ulong target_addr,
- socklen_t len)
-{
- struct sockaddr *addr = host_addr;
- struct target_sockaddr *target_saddr;
-
- target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
- if (!target_saddr) {
- return -TARGET_EFAULT;
- }
-
- memcpy(addr, target_saddr, len);
- addr->sa_family = tswap16(target_saddr->sa_family);
- /* spkt_protocol is big-endian */
-
- unlock_user(target_saddr, target_addr, 0);
- return 0;
-}
-
-static TargetFdTrans target_packet_trans = {
- .target_to_host_addr = packet_target_to_host_sockaddr,
-};
-
-/* do_socket() Must return target values and target errnos. */
-static abi_long do_socket(int domain, int type, int protocol)
-{
- int target_type = type;
- int ret;
-
- ret = target_to_host_sock_type(&type);
- if (ret) {
- return ret;
- }
-
- if (domain == PF_NETLINK)
- return -TARGET_EAFNOSUPPORT;
-
- if (domain == AF_PACKET ||
- (domain == AF_INET && type == SOCK_PACKET)) {
- protocol = tswap16(protocol);
- }
-
- ret = get_errno(socket(domain, type, protocol));
- if (ret >= 0) {
- ret = sock_flags_fixup(ret, target_type);
- if (type == SOCK_PACKET) {
- /* Manage an obsolete case :
- * if socket type is SOCK_PACKET, bind by name
- */
- fd_trans_register(ret, &target_packet_trans);
- }
- }
- return ret;
-}
-
-/* do_bind() Must return target values and target errnos. */
-static abi_long do_bind(int sockfd, abi_ulong target_addr,
- socklen_t addrlen)
-{
- void *addr;
- abi_long ret;
-
- if ((int)addrlen < 0) {
- return -TARGET_EINVAL;
- }
-
- addr = alloca(addrlen+1);
-
- ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
- if (ret)
- return ret;
-
- return get_errno(bind(sockfd, addr, addrlen));
-}
-
-/* do_connect() Must return target values and target errnos. */
-static abi_long do_connect(int sockfd, abi_ulong target_addr,
- socklen_t addrlen)
-{
- void *addr;
- abi_long ret;
-
- if ((int)addrlen < 0) {
- return -TARGET_EINVAL;
- }
-
- addr = alloca(addrlen+1);
-
- ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen);
- if (ret)
- return ret;
-
- return get_errno(connect(sockfd, addr, addrlen));
-}
-
-/* do_sendrecvmsg_locked() Must return target values and target errnos. */
-static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
- int flags, int send)
-{
- abi_long ret, len;
- struct msghdr msg;
- int count;
- struct iovec *vec;
- abi_ulong target_vec;
-
- if (msgp->msg_name) {
- msg.msg_namelen = tswap32(msgp->msg_namelen);
- msg.msg_name = alloca(msg.msg_namelen+1);
- ret = target_to_host_sockaddr(fd, msg.msg_name,
- tswapal(msgp->msg_name),
- msg.msg_namelen);
- if (ret) {
- goto out2;
- }
- } else {
- msg.msg_name = NULL;
- msg.msg_namelen = 0;
- }
- msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
- msg.msg_control = alloca(msg.msg_controllen);
- msg.msg_flags = tswap32(msgp->msg_flags);
-
- count = tswapal(msgp->msg_iovlen);
- target_vec = tswapal(msgp->msg_iov);
- vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
- target_vec, count, send);
- if (vec == NULL) {
- ret = -host_to_target_errno(errno);
- goto out2;
- }
- msg.msg_iovlen = count;
- msg.msg_iov = vec;
-
- if (send) {
- ret = target_to_host_cmsg(&msg, msgp);
- if (ret == 0)
- ret = get_errno(sendmsg(fd, &msg, flags));
- } else {
- ret = get_errno(recvmsg(fd, &msg, flags));
- if (!is_error(ret)) {
- len = ret;
- ret = host_to_target_cmsg(msgp, &msg);
- if (!is_error(ret)) {
- msgp->msg_namelen = tswap32(msg.msg_namelen);
- if (msg.msg_name != NULL) {
- ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
- msg.msg_name, msg.msg_namelen);
- if (ret) {
- goto out;
- }
- }
-
- ret = len;
- }
- }
- }
-
-out:
- unlock_iovec(vec, target_vec, count, !send);
-out2:
- return ret;
-}
-
-static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
- int flags, int send)
-{
- abi_long ret;
- struct target_msghdr *msgp;
-
- if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
- msgp,
- target_msg,
- send ? 1 : 0)) {
- return -TARGET_EFAULT;
- }
- ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
- unlock_user_struct(msgp, target_msg, send ? 0 : 1);
- return ret;
-}
-
-/* We don't rely on the C library to have sendmmsg/recvmmsg support,
- * so it might not have this *mmsg-specific flag either.
- */
-#ifndef MSG_WAITFORONE
-#define MSG_WAITFORONE 0x10000
-#endif
-
-static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
- unsigned int vlen, unsigned int flags,
- int send)
-{
- struct target_mmsghdr *mmsgp;
- abi_long ret = 0;
- int i;
-
- if (vlen > UIO_MAXIOV) {
- vlen = UIO_MAXIOV;
- }
-
- mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1);
- if (!mmsgp) {
- return -TARGET_EFAULT;
- }
-
- for (i = 0; i < vlen; i++) {
- ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send);
- if (is_error(ret)) {
- break;
- }
- mmsgp[i].msg_len = tswap32(ret);
- /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
- if (flags & MSG_WAITFORONE) {
- flags |= MSG_DONTWAIT;
- }
- }
-
- unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
-
- /* Return number of datagrams sent if we sent any at all;
- * otherwise return the error.
- */
- if (i) {
- return i;
- }
- return ret;
-}
-
-/* If we don't have a system accept4() then just call accept.
- * The callsites to do_accept4() will ensure that they don't
- * pass a non-zero flags argument in this config.
- */
-#ifndef CONFIG_ACCEPT4
-static inline int accept4(int sockfd, struct sockaddr *addr,
- socklen_t *addrlen, int flags)
-{
- assert(flags == 0);
- return accept(sockfd, addr, addrlen);
-}
-#endif
-
-/* do_accept4() Must return target values and target errnos. */
-static abi_long do_accept4(int fd, abi_ulong target_addr,
- abi_ulong target_addrlen_addr, int flags)
-{
- socklen_t addrlen;
- void *addr;
- abi_long ret;
- int host_flags;
-
- host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
-
- if (target_addr == 0) {
- return get_errno(accept4(fd, NULL, NULL, host_flags));
- }
-
- /* linux returns EINVAL if addrlen pointer is invalid */
- if (get_user_u32(addrlen, target_addrlen_addr))
- return -TARGET_EINVAL;
-
- if ((int)addrlen < 0) {
- return -TARGET_EINVAL;
- }
-
- if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
- return -TARGET_EINVAL;
-
- addr = alloca(addrlen);
-
- ret = get_errno(accept4(fd, addr, &addrlen, host_flags));
- if (!is_error(ret)) {
- host_to_target_sockaddr(target_addr, addr, addrlen);
- if (put_user_u32(addrlen, target_addrlen_addr))
- ret = -TARGET_EFAULT;
- }
- return ret;
-}
-
-/* do_getpeername() Must return target values and target errnos. */
-static abi_long do_getpeername(int fd, abi_ulong target_addr,
- abi_ulong target_addrlen_addr)
-{
- socklen_t addrlen;
- void *addr;
- abi_long ret;
-
- if (get_user_u32(addrlen, target_addrlen_addr))
- return -TARGET_EFAULT;
-
- if ((int)addrlen < 0) {
- return -TARGET_EINVAL;
- }
-
- if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
- return -TARGET_EFAULT;
-
- addr = alloca(addrlen);
-
- ret = get_errno(getpeername(fd, addr, &addrlen));
- if (!is_error(ret)) {
- host_to_target_sockaddr(target_addr, addr, addrlen);
- if (put_user_u32(addrlen, target_addrlen_addr))
- ret = -TARGET_EFAULT;
- }
- return ret;
-}
-
-/* do_getsockname() Must return target values and target errnos. */
-static abi_long do_getsockname(int fd, abi_ulong target_addr,
- abi_ulong target_addrlen_addr)
-{
- socklen_t addrlen;
- void *addr;
- abi_long ret;
-
- if (get_user_u32(addrlen, target_addrlen_addr))
- return -TARGET_EFAULT;
-
- if ((int)addrlen < 0) {
- return -TARGET_EINVAL;
- }
-
- if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
- return -TARGET_EFAULT;
-
- addr = alloca(addrlen);
-
- ret = get_errno(getsockname(fd, addr, &addrlen));
- if (!is_error(ret)) {
- host_to_target_sockaddr(target_addr, addr, addrlen);
- if (put_user_u32(addrlen, target_addrlen_addr))
- ret = -TARGET_EFAULT;
- }
- return ret;
-}
-
-/* do_socketpair() Must return target values and target errnos. */
-static abi_long do_socketpair(int domain, int type, int protocol,
- abi_ulong target_tab_addr)
-{
- int tab[2];
- abi_long ret;
-
- target_to_host_sock_type(&type);
-
- ret = get_errno(socketpair(domain, type, protocol, tab));
- if (!is_error(ret)) {
- if (put_user_s32(tab[0], target_tab_addr)
- || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
- ret = -TARGET_EFAULT;
- }
- return ret;
-}
-
-/* do_sendto() Must return target values and target errnos. */
-static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
- abi_ulong target_addr, socklen_t addrlen)
-{
- void *addr;
- void *host_msg;
- abi_long ret;
-
- if ((int)addrlen < 0) {
- return -TARGET_EINVAL;
- }
-
- host_msg = lock_user(VERIFY_READ, msg, len, 1);
- if (!host_msg)
- return -TARGET_EFAULT;
- if (target_addr) {
- addr = alloca(addrlen+1);
- ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen);
- if (ret) {
- unlock_user(host_msg, msg, 0);
- return ret;
- }
- ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
- } else {
- ret = get_errno(send(fd, host_msg, len, flags));
- }
- unlock_user(host_msg, msg, 0);
- return ret;
-}
-
-/* do_recvfrom() Must return target values and target errnos. */
-static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
- abi_ulong target_addr,
- abi_ulong target_addrlen)
-{
- socklen_t addrlen;
- void *addr;
- void *host_msg;
- abi_long ret;
-
- host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
- if (!host_msg)
- return -TARGET_EFAULT;
- if (target_addr) {
- if (get_user_u32(addrlen, target_addrlen)) {
- ret = -TARGET_EFAULT;
- goto fail;
- }
- if ((int)addrlen < 0) {
- ret = -TARGET_EINVAL;
- goto fail;
- }
- addr = alloca(addrlen);
- ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
- } else {
- addr = NULL; /* To keep compiler quiet. */
- ret = get_errno(qemu_recv(fd, host_msg, len, flags));
- }
- if (!is_error(ret)) {
- if (target_addr) {
- host_to_target_sockaddr(target_addr, addr, addrlen);
- if (put_user_u32(addrlen, target_addrlen)) {
- ret = -TARGET_EFAULT;
- goto fail;
- }
- }
- unlock_user(host_msg, msg, len);
- } else {
-fail:
- unlock_user(host_msg, msg, 0);
- }
- return ret;
-}
-
-#ifdef TARGET_NR_socketcall
-/* do_socketcall() Must return target values and target errnos. */
-static abi_long do_socketcall(int num, abi_ulong vptr)
-{
- static const unsigned ac[] = { /* number of arguments per call */
- [SOCKOP_socket] = 3, /* domain, type, protocol */
- [SOCKOP_bind] = 3, /* sockfd, addr, addrlen */
- [SOCKOP_connect] = 3, /* sockfd, addr, addrlen */
- [SOCKOP_listen] = 2, /* sockfd, backlog */
- [SOCKOP_accept] = 3, /* sockfd, addr, addrlen */
- [SOCKOP_accept4] = 4, /* sockfd, addr, addrlen, flags */
- [SOCKOP_getsockname] = 3, /* sockfd, addr, addrlen */
- [SOCKOP_getpeername] = 3, /* sockfd, addr, addrlen */
- [SOCKOP_socketpair] = 4, /* domain, type, protocol, tab */
- [SOCKOP_send] = 4, /* sockfd, msg, len, flags */
- [SOCKOP_recv] = 4, /* sockfd, msg, len, flags */
- [SOCKOP_sendto] = 6, /* sockfd, msg, len, flags, addr, addrlen */
- [SOCKOP_recvfrom] = 6, /* sockfd, msg, len, flags, addr, addrlen */
- [SOCKOP_shutdown] = 2, /* sockfd, how */
- [SOCKOP_sendmsg] = 3, /* sockfd, msg, flags */
- [SOCKOP_recvmsg] = 3, /* sockfd, msg, flags */
- [SOCKOP_sendmmsg] = 4, /* sockfd, msgvec, vlen, flags */
- [SOCKOP_recvmmsg] = 4, /* sockfd, msgvec, vlen, flags */
- [SOCKOP_setsockopt] = 5, /* sockfd, level, optname, optval, optlen */
- [SOCKOP_getsockopt] = 5, /* sockfd, level, optname, optval, optlen */
- };
- abi_long a[6]; /* max 6 args */
-
- /* first, collect the arguments in a[] according to ac[] */
- if (num >= 0 && num < ARRAY_SIZE(ac)) {
- unsigned i;
- assert(ARRAY_SIZE(a) >= ac[num]); /* ensure we have space for args */
- for (i = 0; i < ac[num]; ++i) {
- if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
- return -TARGET_EFAULT;
- }
- }
- }
-
- /* now when we have the args, actually handle the call */
- switch (num) {
- case SOCKOP_socket: /* domain, type, protocol */
- return do_socket(a[0], a[1], a[2]);
- case SOCKOP_bind: /* sockfd, addr, addrlen */
- return do_bind(a[0], a[1], a[2]);
- case SOCKOP_connect: /* sockfd, addr, addrlen */
- return do_connect(a[0], a[1], a[2]);
- case SOCKOP_listen: /* sockfd, backlog */
- return get_errno(listen(a[0], a[1]));
- case SOCKOP_accept: /* sockfd, addr, addrlen */
- return do_accept4(a[0], a[1], a[2], 0);
- case SOCKOP_accept4: /* sockfd, addr, addrlen, flags */
- return do_accept4(a[0], a[1], a[2], a[3]);
- case SOCKOP_getsockname: /* sockfd, addr, addrlen */
- return do_getsockname(a[0], a[1], a[2]);
- case SOCKOP_getpeername: /* sockfd, addr, addrlen */
- return do_getpeername(a[0], a[1], a[2]);
- case SOCKOP_socketpair: /* domain, type, protocol, tab */
- return do_socketpair(a[0], a[1], a[2], a[3]);
- case SOCKOP_send: /* sockfd, msg, len, flags */
- return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
- case SOCKOP_recv: /* sockfd, msg, len, flags */
- return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
- case SOCKOP_sendto: /* sockfd, msg, len, flags, addr, addrlen */
- return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
- case SOCKOP_recvfrom: /* sockfd, msg, len, flags, addr, addrlen */
- return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
- case SOCKOP_shutdown: /* sockfd, how */
- return get_errno(shutdown(a[0], a[1]));
- case SOCKOP_sendmsg: /* sockfd, msg, flags */
- return do_sendrecvmsg(a[0], a[1], a[2], 1);
- case SOCKOP_recvmsg: /* sockfd, msg, flags */
- return do_sendrecvmsg(a[0], a[1], a[2], 0);
- case SOCKOP_sendmmsg: /* sockfd, msgvec, vlen, flags */
- return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
- case SOCKOP_recvmmsg: /* sockfd, msgvec, vlen, flags */
- return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0);
- case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */
- return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
- case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */
- return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
- default:
- gemu_log("Unsupported socketcall: %d\n", num);
- return -TARGET_ENOSYS;
- }
-}
-#endif
-
-#define N_SHM_REGIONS 32
-
-static struct shm_region {
- abi_ulong start;
- abi_ulong size;
- bool in_use;
-} shm_regions[N_SHM_REGIONS];
-
-struct target_semid_ds
-{
- struct target_ipc_perm sem_perm;
- abi_ulong sem_otime;
-#if !defined(TARGET_PPC64)
- abi_ulong __unused1;
-#endif
- abi_ulong sem_ctime;
-#if !defined(TARGET_PPC64)
- abi_ulong __unused2;
-#endif
- abi_ulong sem_nsems;
- abi_ulong __unused3;
- abi_ulong __unused4;
-};
-
-static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
- abi_ulong target_addr)
-{
- struct target_ipc_perm *target_ip;
- struct target_semid_ds *target_sd;
-
- if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
- return -TARGET_EFAULT;
- target_ip = &(target_sd->sem_perm);
- host_ip->__key = tswap32(target_ip->__key);
- host_ip->uid = tswap32(target_ip->uid);
- host_ip->gid = tswap32(target_ip->gid);
- host_ip->cuid = tswap32(target_ip->cuid);
- host_ip->cgid = tswap32(target_ip->cgid);
-#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
- host_ip->mode = tswap32(target_ip->mode);
-#else
- host_ip->mode = tswap16(target_ip->mode);
-#endif
-#if defined(TARGET_PPC)
- host_ip->__seq = tswap32(target_ip->__seq);
-#else
- host_ip->__seq = tswap16(target_ip->__seq);
-#endif
- unlock_user_struct(target_sd, target_addr, 0);
- return 0;
-}
-
-static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
- struct ipc_perm *host_ip)
-{
- struct target_ipc_perm *target_ip;
- struct target_semid_ds *target_sd;
-
- if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
- return -TARGET_EFAULT;
- target_ip = &(target_sd->sem_perm);
- target_ip->__key = tswap32(host_ip->__key);
- target_ip->uid = tswap32(host_ip->uid);
- target_ip->gid = tswap32(host_ip->gid);
- target_ip->cuid = tswap32(host_ip->cuid);
- target_ip->cgid = tswap32(host_ip->cgid);
-#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
- target_ip->mode = tswap32(host_ip->mode);
-#else
- target_ip->mode = tswap16(host_ip->mode);
-#endif
-#if defined(TARGET_PPC)
- target_ip->__seq = tswap32(host_ip->__seq);
-#else
- target_ip->__seq = tswap16(host_ip->__seq);
-#endif
- unlock_user_struct(target_sd, target_addr, 1);
- return 0;
-}
-
-static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
- abi_ulong target_addr)
-{
- struct target_semid_ds *target_sd;
-
- if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
- return -TARGET_EFAULT;
- if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
- return -TARGET_EFAULT;
- host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
- host_sd->sem_otime = tswapal(target_sd->sem_otime);
- host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
- unlock_user_struct(target_sd, target_addr, 0);
- return 0;
-}
-
-static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
- struct semid_ds *host_sd)
-{
- struct target_semid_ds *target_sd;
-
- if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
- return -TARGET_EFAULT;
- if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
- return -TARGET_EFAULT;
- target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
- target_sd->sem_otime = tswapal(host_sd->sem_otime);
- target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
- unlock_user_struct(target_sd, target_addr, 1);
- return 0;
-}
-
-struct target_seminfo {
- int semmap;
- int semmni;
- int semmns;
- int semmnu;
- int semmsl;
- int semopm;
- int semume;
- int semusz;
- int semvmx;
- int semaem;
-};
-
-static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
- struct seminfo *host_seminfo)
-{
- struct target_seminfo *target_seminfo;
- if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
- return -TARGET_EFAULT;
- __put_user(host_seminfo->semmap, &target_seminfo->semmap);
- __put_user(host_seminfo->semmni, &target_seminfo->semmni);
- __put_user(host_seminfo->semmns, &target_seminfo->semmns);
- __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
- __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
- __put_user(host_seminfo->semopm, &target_seminfo->semopm);
- __put_user(host_seminfo->semume, &target_seminfo->semume);
- __put_user(host_seminfo->semusz, &target_seminfo->semusz);
- __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
- __put_user(host_seminfo->semaem, &target_seminfo->semaem);
- unlock_user_struct(target_seminfo, target_addr, 1);
- return 0;
-}
-
-union semun {
- int val;
- struct semid_ds *buf;
- unsigned short *array;
- struct seminfo *__buf;
-};
-
-union target_semun {
- int val;
- abi_ulong buf;
- abi_ulong array;
- abi_ulong __buf;
-};
-
-static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
- abi_ulong target_addr)
-{
- int nsems;
- unsigned short *array;
- union semun semun;
- struct semid_ds semid_ds;
- int i, ret;
-
- semun.buf = &semid_ds;
-
- ret = semctl(semid, 0, IPC_STAT, semun);
- if (ret == -1)
- return get_errno(ret);
-
- nsems = semid_ds.sem_nsems;
-
- *host_array = g_try_new(unsigned short, nsems);
- if (!*host_array) {
- return -TARGET_ENOMEM;
- }
- array = lock_user(VERIFY_READ, target_addr,
- nsems*sizeof(unsigned short), 1);
- if (!array) {
- g_free(*host_array);
- return -TARGET_EFAULT;
- }
-
- for(i=0; i<nsems; i++) {
- __get_user((*host_array)[i], &array[i]);
- }
- unlock_user(array, target_addr, 0);
-
- return 0;
-}
-
-static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
- unsigned short **host_array)
-{
- int nsems;
- unsigned short *array;
- union semun semun;
- struct semid_ds semid_ds;
- int i, ret;
-
- semun.buf = &semid_ds;
-
- ret = semctl(semid, 0, IPC_STAT, semun);
- if (ret == -1)
- return get_errno(ret);
-
- nsems = semid_ds.sem_nsems;
-
- array = lock_user(VERIFY_WRITE, target_addr,
- nsems*sizeof(unsigned short), 0);
- if (!array)
- return -TARGET_EFAULT;
-
- for(i=0; i<nsems; i++) {
- __put_user((*host_array)[i], &array[i]);
- }
- g_free(*host_array);
- unlock_user(array, target_addr, 1);
-
- return 0;
-}
-
-static inline abi_long do_semctl(int semid, int semnum, int cmd,
- abi_ulong target_arg)
-{
- union target_semun target_su = { .buf = target_arg };
- union semun arg;
- struct semid_ds dsarg;
- unsigned short *array = NULL;
- struct seminfo seminfo;
- abi_long ret = -TARGET_EINVAL;
- abi_long err;
- cmd &= 0xff;
-
- switch( cmd ) {
- case GETVAL:
- case SETVAL:
- /* In 64 bit cross-endian situations, we will erroneously pick up
- * the wrong half of the union for the "val" element. To rectify
- * this, the entire 8-byte structure is byteswapped, followed by
- * a swap of the 4 byte val field. In other cases, the data is
- * already in proper host byte order. */
- if (sizeof(target_su.val) != (sizeof(target_su.buf))) {
- target_su.buf = tswapal(target_su.buf);
- arg.val = tswap32(target_su.val);
- } else {
- arg.val = target_su.val;
- }
- ret = get_errno(semctl(semid, semnum, cmd, arg));
- break;
- case GETALL:
- case SETALL:
- err = target_to_host_semarray(semid, &array, target_su.array);
- if (err)
- return err;
- arg.array = array;
- ret = get_errno(semctl(semid, semnum, cmd, arg));
- err = host_to_target_semarray(semid, target_su.array, &array);
- if (err)
- return err;
- break;
- case IPC_STAT:
- case IPC_SET:
- case SEM_STAT:
- err = target_to_host_semid_ds(&dsarg, target_su.buf);
- if (err)
- return err;
- arg.buf = &dsarg;
- ret = get_errno(semctl(semid, semnum, cmd, arg));
- err = host_to_target_semid_ds(target_su.buf, &dsarg);
- if (err)
- return err;
- break;
- case IPC_INFO:
- case SEM_INFO:
- arg.__buf = &seminfo;
- ret = get_errno(semctl(semid, semnum, cmd, arg));
- err = host_to_target_seminfo(target_su.__buf, &seminfo);
- if (err)
- return err;
- break;
- case IPC_RMID:
- case GETPID:
- case GETNCNT:
- case GETZCNT:
- ret = get_errno(semctl(semid, semnum, cmd, NULL));
- break;
- }
-
- return ret;
-}
-
-struct target_sembuf {
- unsigned short sem_num;
- short sem_op;
- short sem_flg;
-};
-
-static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
- abi_ulong target_addr,
- unsigned nsops)
-{
- struct target_sembuf *target_sembuf;
- int i;
-
- target_sembuf = lock_user(VERIFY_READ, target_addr,
- nsops*sizeof(struct target_sembuf), 1);
- if (!target_sembuf)
- return -TARGET_EFAULT;
-
- for(i=0; i<nsops; i++) {
- __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
- __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
- __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
- }
-
- unlock_user(target_sembuf, target_addr, 0);
-
- return 0;
-}
-
-static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
-{
- struct sembuf sops[nsops];
-
- if (target_to_host_sembuf(sops, ptr, nsops))
- return -TARGET_EFAULT;
-
- return get_errno(semop(semid, sops, nsops));
-}
-
-struct target_msqid_ds
-{
- struct target_ipc_perm msg_perm;
- abi_ulong msg_stime;
-#if TARGET_ABI_BITS == 32
- abi_ulong __unused1;
-#endif
- abi_ulong msg_rtime;
-#if TARGET_ABI_BITS == 32
- abi_ulong __unused2;
-#endif
- abi_ulong msg_ctime;
-#if TARGET_ABI_BITS == 32
- abi_ulong __unused3;
-#endif
- abi_ulong __msg_cbytes;
- abi_ulong msg_qnum;
- abi_ulong msg_qbytes;
- abi_ulong msg_lspid;
- abi_ulong msg_lrpid;
- abi_ulong __unused4;
- abi_ulong __unused5;
-};
-
-static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
- abi_ulong target_addr)
-{
- struct target_msqid_ds *target_md;
-
- if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
- return -TARGET_EFAULT;
- if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
- return -TARGET_EFAULT;
- host_md->msg_stime = tswapal(target_md->msg_stime);
- host_md->msg_rtime = tswapal(target_md->msg_rtime);
- host_md->msg_ctime = tswapal(target_md->msg_ctime);
- host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
- host_md->msg_qnum = tswapal(target_md->msg_qnum);
- host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
- host_md->msg_lspid = tswapal(target_md->msg_lspid);
- host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
- unlock_user_struct(target_md, target_addr, 0);
- return 0;
-}
-
-static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
- struct msqid_ds *host_md)
-{
- struct target_msqid_ds *target_md;
-
- if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
- return -TARGET_EFAULT;
- if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
- return -TARGET_EFAULT;
- target_md->msg_stime = tswapal(host_md->msg_stime);
- target_md->msg_rtime = tswapal(host_md->msg_rtime);
- target_md->msg_ctime = tswapal(host_md->msg_ctime);
- target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
- target_md->msg_qnum = tswapal(host_md->msg_qnum);
- target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
- target_md->msg_lspid = tswapal(host_md->msg_lspid);
- target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
- unlock_user_struct(target_md, target_addr, 1);
- return 0;
-}
-
-struct target_msginfo {
- int msgpool;
- int msgmap;
- int msgmax;
- int msgmnb;
- int msgmni;
- int msgssz;
- int msgtql;
- unsigned short int msgseg;
-};
-
-static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
- struct msginfo *host_msginfo)
-{
- struct target_msginfo *target_msginfo;
- if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
- return -TARGET_EFAULT;
- __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
- __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
- __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
- __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
- __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
- __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
- __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
- __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
- unlock_user_struct(target_msginfo, target_addr, 1);
- return 0;
-}
-
-static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
-{
- struct msqid_ds dsarg;
- struct msginfo msginfo;
- abi_long ret = -TARGET_EINVAL;
-
- cmd &= 0xff;
-
- switch (cmd) {
- case IPC_STAT:
- case IPC_SET:
- case MSG_STAT:
- if (target_to_host_msqid_ds(&dsarg,ptr))
- return -TARGET_EFAULT;
- ret = get_errno(msgctl(msgid, cmd, &dsarg));
- if (host_to_target_msqid_ds(ptr,&dsarg))
- return -TARGET_EFAULT;
- break;
- case IPC_RMID:
- ret = get_errno(msgctl(msgid, cmd, NULL));
- break;
- case IPC_INFO:
- case MSG_INFO:
- ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
- if (host_to_target_msginfo(ptr, &msginfo))
- return -TARGET_EFAULT;
- break;
- }
-
- return ret;
-}
-
-struct target_msgbuf {
- abi_long mtype;
- char mtext[1];
-};
-
-static inline abi_long do_msgsnd(int msqid, abi_long msgp,
- ssize_t msgsz, int msgflg)
-{
- struct target_msgbuf *target_mb;
- struct msgbuf *host_mb;
- abi_long ret = 0;
-
- if (msgsz < 0) {
- return -TARGET_EINVAL;
- }
-
- if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
- return -TARGET_EFAULT;
- host_mb = g_try_malloc(msgsz + sizeof(long));
- if (!host_mb) {
- unlock_user_struct(target_mb, msgp, 0);
- return -TARGET_ENOMEM;
- }
- host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
- memcpy(host_mb->mtext, target_mb->mtext, msgsz);
- ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
- g_free(host_mb);
- unlock_user_struct(target_mb, msgp, 0);
-
- return ret;
-}
-
-static inline abi_long do_msgrcv(int msqid, abi_long msgp,
- unsigned int msgsz, abi_long msgtyp,
- int msgflg)
-{
- struct target_msgbuf *target_mb;
- char *target_mtext;
- struct msgbuf *host_mb;
- abi_long ret = 0;
-
- if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
- return -TARGET_EFAULT;
-
- host_mb = g_malloc(msgsz+sizeof(long));
- ret = get_errno(msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
-
- if (ret > 0) {
- abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
- target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
- if (!target_mtext) {
- ret = -TARGET_EFAULT;
- goto end;
- }
- memcpy(target_mb->mtext, host_mb->mtext, ret);
- unlock_user(target_mtext, target_mtext_addr, ret);
- }
-
- target_mb->mtype = tswapal(host_mb->mtype);
-
-end:
- if (target_mb)
- unlock_user_struct(target_mb, msgp, 1);
- g_free(host_mb);
- return ret;
-}
-
-static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
- abi_ulong target_addr)
-{
- struct target_shmid_ds *target_sd;
-
- if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
- return -TARGET_EFAULT;
- if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
- return -TARGET_EFAULT;
- __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
- __get_user(host_sd->shm_atime, &target_sd->shm_atime);
- __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
- __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
- __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
- __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
- __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
- unlock_user_struct(target_sd, target_addr, 0);
- return 0;
-}
-
-static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
- struct shmid_ds *host_sd)
-{
- struct target_shmid_ds *target_sd;
-
- if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
- return -TARGET_EFAULT;
- if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
- return -TARGET_EFAULT;
- __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
- __put_user(host_sd->shm_atime, &target_sd->shm_atime);
- __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
- __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
- __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
- __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
- __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
- unlock_user_struct(target_sd, target_addr, 1);
- return 0;
-}
-
-struct target_shminfo {
- abi_ulong shmmax;
- abi_ulong shmmin;
- abi_ulong shmmni;
- abi_ulong shmseg;
- abi_ulong shmall;
-};
-
-static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
- struct shminfo *host_shminfo)
-{
- struct target_shminfo *target_shminfo;
- if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
- return -TARGET_EFAULT;
- __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
- __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
- __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
- __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
- __put_user(host_shminfo->shmall, &target_shminfo->shmall);
- unlock_user_struct(target_shminfo, target_addr, 1);
- return 0;
-}
-
-struct target_shm_info {
- int used_ids;
- abi_ulong shm_tot;
- abi_ulong shm_rss;
- abi_ulong shm_swp;
- abi_ulong swap_attempts;
- abi_ulong swap_successes;
-};
-
-static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
- struct shm_info *host_shm_info)
-{
- struct target_shm_info *target_shm_info;
- if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
- return -TARGET_EFAULT;
- __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
- __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
- __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
- __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
- __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
- __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
- unlock_user_struct(target_shm_info, target_addr, 1);
- return 0;
-}
-
-static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
-{
- struct shmid_ds dsarg;
- struct shminfo shminfo;
- struct shm_info shm_info;
- abi_long ret = -TARGET_EINVAL;
-
- cmd &= 0xff;
-
- switch(cmd) {
- case IPC_STAT:
- case IPC_SET:
- case SHM_STAT:
- if (target_to_host_shmid_ds(&dsarg, buf))
- return -TARGET_EFAULT;
- ret = get_errno(shmctl(shmid, cmd, &dsarg));
- if (host_to_target_shmid_ds(buf, &dsarg))
- return -TARGET_EFAULT;
- break;
- case IPC_INFO:
- ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
- if (host_to_target_shminfo(buf, &shminfo))
- return -TARGET_EFAULT;
- break;
- case SHM_INFO:
- ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
- if (host_to_target_shm_info(buf, &shm_info))
- return -TARGET_EFAULT;
- break;
- case IPC_RMID:
- case SHM_LOCK:
- case SHM_UNLOCK:
- ret = get_errno(shmctl(shmid, cmd, NULL));
- break;
- }
-
- return ret;
-}
-
-static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
-{
- abi_long raddr;
- void *host_raddr;
- struct shmid_ds shm_info;
- int i,ret;
-
- /* find out the length of the shared memory segment */
- ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
- if (is_error(ret)) {
- /* can't get length, bail out */
- return ret;
- }
-
- mmap_lock();
-
- if (shmaddr)
- host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
- else {
- abi_ulong mmap_start;
-
- mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
-
- if (mmap_start == -1) {
- errno = ENOMEM;
- host_raddr = (void *)-1;
- } else
- host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
- }
-
- if (host_raddr == (void *)-1) {
- mmap_unlock();
- return get_errno((long)host_raddr);
- }
- raddr=h2g((unsigned long)host_raddr);
-
- page_set_flags(raddr, raddr + shm_info.shm_segsz,
- PAGE_VALID | PAGE_READ |
- ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
-
- for (i = 0; i < N_SHM_REGIONS; i++) {
- if (!shm_regions[i].in_use) {
- shm_regions[i].in_use = true;
- shm_regions[i].start = raddr;
- shm_regions[i].size = shm_info.shm_segsz;
- break;
- }
- }
-
- mmap_unlock();
- return raddr;
-
-}
-
-static inline abi_long do_shmdt(abi_ulong shmaddr)
-{
- int i;
-
- for (i = 0; i < N_SHM_REGIONS; ++i) {
- if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) {
- shm_regions[i].in_use = false;
- page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
- break;
- }
- }
-
- return get_errno(shmdt(g2h(shmaddr)));
-}
-
-#ifdef TARGET_NR_ipc
-/* ??? This only works with linear mappings. */
-/* do_ipc() must return target values and target errnos. */
-static abi_long do_ipc(unsigned int call, abi_long first,
- abi_long second, abi_long third,
- abi_long ptr, abi_long fifth)
-{
- int version;
- abi_long ret = 0;
-
- version = call >> 16;
- call &= 0xffff;
-
- switch (call) {
- case IPCOP_semop:
- ret = do_semop(first, ptr, second);
- break;
-
- case IPCOP_semget:
- ret = get_errno(semget(first, second, third));
- break;
-
- case IPCOP_semctl: {
- /* The semun argument to semctl is passed by value, so dereference the
- * ptr argument. */
- abi_ulong atptr;
- get_user_ual(atptr, ptr);
- ret = do_semctl(first, second, third, atptr);
- break;
- }
-
- case IPCOP_msgget:
- ret = get_errno(msgget(first, second));
- break;
-
- case IPCOP_msgsnd:
- ret = do_msgsnd(first, ptr, second, third);
- break;
-
- case IPCOP_msgctl:
- ret = do_msgctl(first, second, ptr);
- break;
-
- case IPCOP_msgrcv:
- switch (version) {
- case 0:
- {
- struct target_ipc_kludge {
- abi_long msgp;
- abi_long msgtyp;
- } *tmp;
-
- if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
- ret = -TARGET_EFAULT;
- break;
- }
-
- ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
-
- unlock_user_struct(tmp, ptr, 0);
- break;
- }
- default:
- ret = do_msgrcv(first, ptr, second, fifth, third);
- }
- break;
-
- case IPCOP_shmat:
- switch (version) {
- default:
- {
- abi_ulong raddr;
- raddr = do_shmat(first, ptr, second);
- if (is_error(raddr))
- return get_errno(raddr);
- if (put_user_ual(raddr, third))
- return -TARGET_EFAULT;
- break;
- }
- case 1:
- ret = -TARGET_EINVAL;
- break;
- }
- break;
- case IPCOP_shmdt:
- ret = do_shmdt(ptr);
- break;
-
- case IPCOP_shmget:
- /* IPC_* flag values are the same on all linux platforms */
- ret = get_errno(shmget(first, second, third));
- break;
-
- /* IPC_* and SHM_* command values are the same on all linux platforms */
- case IPCOP_shmctl:
- ret = do_shmctl(first, second, ptr);
- break;
- default:
- gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
- ret = -TARGET_ENOSYS;
- break;
- }
- return ret;
-}
-#endif
-
-/* kernel structure types definitions */
-
-#define STRUCT(name, ...) STRUCT_ ## name,
-#define STRUCT_SPECIAL(name) STRUCT_ ## name,
-enum {
-#include "syscall_types.h"
-STRUCT_MAX
-};
-#undef STRUCT
-#undef STRUCT_SPECIAL
-
-#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
-#define STRUCT_SPECIAL(name)
-#include "syscall_types.h"
-#undef STRUCT
-#undef STRUCT_SPECIAL
-
-typedef struct IOCTLEntry IOCTLEntry;
-
-typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
- int fd, int cmd, abi_long arg);
-
-struct IOCTLEntry {
- int target_cmd;
- unsigned int host_cmd;
- const char *name;
- int access;
- do_ioctl_fn *do_ioctl;
- const argtype arg_type[5];
-};
-
-#define IOC_R 0x0001
-#define IOC_W 0x0002
-#define IOC_RW (IOC_R | IOC_W)
-
-#define MAX_STRUCT_SIZE 4096
-
-#ifdef CONFIG_FIEMAP
-/* So fiemap access checks don't overflow on 32 bit systems.
- * This is very slightly smaller than the limit imposed by
- * the underlying kernel.
- */
-#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
- / sizeof(struct fiemap_extent))
-
-static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
- int fd, int cmd, abi_long arg)
-{
- /* The parameter for this ioctl is a struct fiemap followed
- * by an array of struct fiemap_extent whose size is set
- * in fiemap->fm_extent_count. The array is filled in by the
- * ioctl.
- */
- int target_size_in, target_size_out;
- struct fiemap *fm;
- const argtype *arg_type = ie->arg_type;
- const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
- void *argptr, *p;
- abi_long ret;
- int i, extent_size = thunk_type_size(extent_arg_type, 0);
- uint32_t outbufsz;
- int free_fm = 0;
-
- assert(arg_type[0] == TYPE_PTR);
- assert(ie->access == IOC_RW);
- arg_type++;
- target_size_in = thunk_type_size(arg_type, 0);
- argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
- if (!argptr) {
- return -TARGET_EFAULT;
- }
- thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
- unlock_user(argptr, arg, 0);
- fm = (struct fiemap *)buf_temp;
- if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
- return -TARGET_EINVAL;
- }
-
- outbufsz = sizeof (*fm) +
- (sizeof(struct fiemap_extent) * fm->fm_extent_count);
-
- if (outbufsz > MAX_STRUCT_SIZE) {
- /* We can't fit all the extents into the fixed size buffer.
- * Allocate one that is large enough and use it instead.
- */
- fm = g_try_malloc(outbufsz);
- if (!fm) {
- return -TARGET_ENOMEM;
- }
- memcpy(fm, buf_temp, sizeof(struct fiemap));
- free_fm = 1;
- }
- ret = get_errno(ioctl(fd, ie->host_cmd, fm));
- if (!is_error(ret)) {
- target_size_out = target_size_in;
- /* An extent_count of 0 means we were only counting the extents
- * so there are no structs to copy
- */
- if (fm->fm_extent_count != 0) {
- target_size_out += fm->fm_mapped_extents * extent_size;
- }
- argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
- if (!argptr) {
- ret = -TARGET_EFAULT;
- } else {
- /* Convert the struct fiemap */
- thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
- if (fm->fm_extent_count != 0) {
- p = argptr + target_size_in;
- /* ...and then all the struct fiemap_extents */
- for (i = 0; i < fm->fm_mapped_extents; i++) {
- thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
- THUNK_TARGET);
- p += extent_size;
- }
- }
- unlock_user(argptr, arg, target_size_out);
- }
- }
- if (free_fm) {
- g_free(fm);
- }
- return ret;
-}
-#endif
-
-static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
- int fd, int cmd, abi_long arg)
-{
- const argtype *arg_type = ie->arg_type;
- int target_size;
- void *argptr;
- int ret;
- struct ifconf *host_ifconf;
- uint32_t outbufsz;
- const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
- int target_ifreq_size;
- int nb_ifreq;
- int free_buf = 0;
- int i;
- int target_ifc_len;
- abi_long target_ifc_buf;
- int host_ifc_len;
- char *host_ifc_buf;
-
- assert(arg_type[0] == TYPE_PTR);
- assert(ie->access == IOC_RW);
-
- arg_type++;
- target_size = thunk_type_size(arg_type, 0);
-
- argptr = lock_user(VERIFY_READ, arg, target_size, 1);
- if (!argptr)
- return -TARGET_EFAULT;
- thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
- unlock_user(argptr, arg, 0);
-
- host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
- target_ifc_len = host_ifconf->ifc_len;
- target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
-
- target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
- nb_ifreq = target_ifc_len / target_ifreq_size;
- host_ifc_len = nb_ifreq * sizeof(struct ifreq);
-
- outbufsz = sizeof(*host_ifconf) + host_ifc_len;
- if (outbufsz > MAX_STRUCT_SIZE) {
- /* We can't fit all the extents into the fixed size buffer.
- * Allocate one that is large enough and use it instead.
- */
- host_ifconf = malloc(outbufsz);
- if (!host_ifconf) {
- return -TARGET_ENOMEM;
- }
- memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
- free_buf = 1;
- }
- host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
-
- host_ifconf->ifc_len = host_ifc_len;
- host_ifconf->ifc_buf = host_ifc_buf;
-
- ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
- if (!is_error(ret)) {
- /* convert host ifc_len to target ifc_len */
-
- nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
- target_ifc_len = nb_ifreq * target_ifreq_size;
- host_ifconf->ifc_len = target_ifc_len;
-
- /* restore target ifc_buf */
-
- host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
-
- /* copy struct ifconf to target user */
-
- argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
- if (!argptr)
- return -TARGET_EFAULT;
- thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
- unlock_user(argptr, arg, target_size);
-
- /* copy ifreq[] to target user */
-
- argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
- for (i = 0; i < nb_ifreq ; i++) {
- thunk_convert(argptr + i * target_ifreq_size,
- host_ifc_buf + i * sizeof(struct ifreq),
- ifreq_arg_type, THUNK_TARGET);
- }
- unlock_user(argptr, target_ifc_buf, target_ifc_len);
- }
-
- if (free_buf) {
- free(host_ifconf);
- }
-
- return ret;
-}
-
-static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
- int cmd, abi_long arg)
-{
- void *argptr;
- struct dm_ioctl *host_dm;
- abi_long guest_data;
- uint32_t guest_data_size;
- int target_size;
- const argtype *arg_type = ie->arg_type;
- abi_long ret;
- void *big_buf = NULL;
- char *host_data;
-
- arg_type++;
- target_size = thunk_type_size(arg_type, 0);
- argptr = lock_user(VERIFY_READ, arg, target_size, 1);
- if (!argptr) {
- ret = -TARGET_EFAULT;
- goto out;
- }
- thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
- unlock_user(argptr, arg, 0);
-
- /* buf_temp is too small, so fetch things into a bigger buffer */
- big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
- memcpy(big_buf, buf_temp, target_size);
- buf_temp = big_buf;
- host_dm = big_buf;
-
- guest_data = arg + host_dm->data_start;
- if ((guest_data - arg) < 0) {
- ret = -EINVAL;
- goto out;
- }
- guest_data_size = host_dm->data_size - host_dm->data_start;
- host_data = (char*)host_dm + host_dm->data_start;
-
- argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
- switch (ie->host_cmd) {
- case DM_REMOVE_ALL:
- case DM_LIST_DEVICES:
- case DM_DEV_CREATE:
- case DM_DEV_REMOVE:
- case DM_DEV_SUSPEND:
- case DM_DEV_STATUS:
- case DM_DEV_WAIT:
- case DM_TABLE_STATUS:
- case DM_TABLE_CLEAR:
- case DM_TABLE_DEPS:
- case DM_LIST_VERSIONS:
- /* no input data */
- break;
- case DM_DEV_RENAME:
- case DM_DEV_SET_GEOMETRY:
- /* data contains only strings */
- memcpy(host_data, argptr, guest_data_size);
- break;
- case DM_TARGET_MSG:
- memcpy(host_data, argptr, guest_data_size);
- *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
- break;
- case DM_TABLE_LOAD:
- {
- void *gspec = argptr;
- void *cur_data = host_data;
- const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
- int spec_size = thunk_type_size(arg_type, 0);
- int i;
-
- for (i = 0; i < host_dm->target_count; i++) {
- struct dm_target_spec *spec = cur_data;
- uint32_t next;
- int slen;
-
- thunk_convert(spec, gspec, arg_type, THUNK_HOST);
- slen = strlen((char*)gspec + spec_size) + 1;
- next = spec->next;
- spec->next = sizeof(*spec) + slen;
- strcpy((char*)&spec[1], gspec + spec_size);
- gspec += next;
- cur_data += spec->next;
- }
- break;
- }
- default:
- ret = -TARGET_EINVAL;
- unlock_user(argptr, guest_data, 0);
- goto out;
- }
- unlock_user(argptr, guest_data, 0);
-
- ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
- if (!is_error(ret)) {
- guest_data = arg + host_dm->data_start;
- guest_data_size = host_dm->data_size - host_dm->data_start;
- argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
- switch (ie->host_cmd) {
- case DM_REMOVE_ALL:
- case DM_DEV_CREATE:
- case DM_DEV_REMOVE:
- case DM_DEV_RENAME:
- case DM_DEV_SUSPEND:
- case DM_DEV_STATUS:
- case DM_TABLE_LOAD:
- case DM_TABLE_CLEAR:
- case DM_TARGET_MSG:
- case DM_DEV_SET_GEOMETRY:
- /* no return data */
- break;
- case DM_LIST_DEVICES:
- {
- struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
- uint32_t remaining_data = guest_data_size;
- void *cur_data = argptr;
- const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
- int nl_size = 12; /* can't use thunk_size due to alignment */
-
- while (1) {
- uint32_t next = nl->next;
- if (next) {
- nl->next = nl_size + (strlen(nl->name) + 1);
- }
- if (remaining_data < nl->next) {
- host_dm->flags |= DM_BUFFER_FULL_FLAG;
- break;
- }
- thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
- strcpy(cur_data + nl_size, nl->name);
- cur_data += nl->next;
- remaining_data -= nl->next;
- if (!next) {
- break;
- }
- nl = (void*)nl + next;
- }
- break;
- }
- case DM_DEV_WAIT:
- case DM_TABLE_STATUS:
- {
- struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
- void *cur_data = argptr;
- const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
- int spec_size = thunk_type_size(arg_type, 0);
- int i;
-
- for (i = 0; i < host_dm->target_count; i++) {
- uint32_t next = spec->next;
- int slen = strlen((char*)&spec[1]) + 1;
- spec->next = (cur_data - argptr) + spec_size + slen;
- if (guest_data_size < spec->next) {
- host_dm->flags |= DM_BUFFER_FULL_FLAG;
- break;
- }
- thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
- strcpy(cur_data + spec_size, (char*)&spec[1]);
- cur_data = argptr + spec->next;
- spec = (void*)host_dm + host_dm->data_start + next;
- }
- break;
- }
- case DM_TABLE_DEPS:
- {
- void *hdata = (void*)host_dm + host_dm->data_start;
- int count = *(uint32_t*)hdata;
- uint64_t *hdev = hdata + 8;
- uint64_t *gdev = argptr + 8;
- int i;
-
- *(uint32_t*)argptr = tswap32(count);
- for (i = 0; i < count; i++) {
- *gdev = tswap64(*hdev);
- gdev++;
- hdev++;
- }
- break;
- }
- case DM_LIST_VERSIONS:
- {
- struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
- uint32_t remaining_data = guest_data_size;
- void *cur_data = argptr;
- const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
- int vers_size = thunk_type_size(arg_type, 0);
-
- while (1) {
- uint32_t next = vers->next;
- if (next) {
- vers->next = vers_size + (strlen(vers->name) + 1);
- }
- if (remaining_data < vers->next) {
- host_dm->flags |= DM_BUFFER_FULL_FLAG;
- break;
- }
- thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
- strcpy(cur_data + vers_size, vers->name);
- cur_data += vers->next;
- remaining_data -= vers->next;
- if (!next) {
- break;
- }
- vers = (void*)vers + next;
- }
- break;
- }
- default:
- unlock_user(argptr, guest_data, 0);
- ret = -TARGET_EINVAL;
- goto out;
- }
- unlock_user(argptr, guest_data, guest_data_size);
-
- argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
- if (!argptr) {
- ret = -TARGET_EFAULT;
- goto out;
- }
- thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
- unlock_user(argptr, arg, target_size);
- }
-out:
- g_free(big_buf);
- return ret;
-}
-
-static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
- int cmd, abi_long arg)
-{
- void *argptr;
- int target_size;
- const argtype *arg_type = ie->arg_type;
- const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) };
- abi_long ret;
-
- struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp;
- struct blkpg_partition host_part;
-
- /* Read and convert blkpg */
- arg_type++;
- target_size = thunk_type_size(arg_type, 0);
- argptr = lock_user(VERIFY_READ, arg, target_size, 1);
- if (!argptr) {
- ret = -TARGET_EFAULT;
- goto out;
- }
- thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
- unlock_user(argptr, arg, 0);
-
- switch (host_blkpg->op) {
- case BLKPG_ADD_PARTITION:
- case BLKPG_DEL_PARTITION:
- /* payload is struct blkpg_partition */
- break;
- default:
- /* Unknown opcode */
- ret = -TARGET_EINVAL;
- goto out;
- }
-
- /* Read and convert blkpg->data */
- arg = (abi_long)(uintptr_t)host_blkpg->data;
- target_size = thunk_type_size(part_arg_type, 0);
- argptr = lock_user(VERIFY_READ, arg, target_size, 1);
- if (!argptr) {
- ret = -TARGET_EFAULT;
- goto out;
- }
- thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST);
- unlock_user(argptr, arg, 0);
-
- /* Swizzle the data pointer to our local copy and call! */
- host_blkpg->data = &host_part;
- ret = get_errno(ioctl(fd, ie->host_cmd, host_blkpg));
-
-out:
- return ret;
-}
-
-static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
- int fd, int cmd, abi_long arg)
-{
- const argtype *arg_type = ie->arg_type;
- const StructEntry *se;
- const argtype *field_types;
- const int *dst_offsets, *src_offsets;
- int target_size;
- void *argptr;
- abi_ulong *target_rt_dev_ptr;
- unsigned long *host_rt_dev_ptr;
- abi_long ret;
- int i;
-
- assert(ie->access == IOC_W);
- assert(*arg_type == TYPE_PTR);
- arg_type++;
- assert(*arg_type == TYPE_STRUCT);
- target_size = thunk_type_size(arg_type, 0);
- argptr = lock_user(VERIFY_READ, arg, target_size, 1);
- if (!argptr) {
- return -TARGET_EFAULT;
- }
- arg_type++;
- assert(*arg_type == (int)STRUCT_rtentry);
- se = struct_entries + *arg_type++;
- assert(se->convert[0] == NULL);
- /* convert struct here to be able to catch rt_dev string */
- field_types = se->field_types;
- dst_offsets = se->field_offsets[THUNK_HOST];
- src_offsets = se->field_offsets[THUNK_TARGET];
- for (i = 0; i < se->nb_fields; i++) {
- if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
- assert(*field_types == TYPE_PTRVOID);
- target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
- host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
- if (*target_rt_dev_ptr != 0) {
- *host_rt_dev_ptr = (unsigned long)lock_user_string(
- tswapal(*target_rt_dev_ptr));
- if (!*host_rt_dev_ptr) {
- unlock_user(argptr, arg, 0);
- return -TARGET_EFAULT;
- }
- } else {
- *host_rt_dev_ptr = 0;
- }
- field_types++;
- continue;
- }
- field_types = thunk_convert(buf_temp + dst_offsets[i],
- argptr + src_offsets[i],
- field_types, THUNK_HOST);
- }
- unlock_user(argptr, arg, 0);
-
- ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
- if (*host_rt_dev_ptr != 0) {
- unlock_user((void *)*host_rt_dev_ptr,
- *target_rt_dev_ptr, 0);
- }
- return ret;
-}
-
-static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp,
- int fd, int cmd, abi_long arg)
-{
- int sig = target_to_host_signal(arg);
- return get_errno(ioctl(fd, ie->host_cmd, sig));
-}
-
-static IOCTLEntry ioctl_entries[] = {
-#define IOCTL(cmd, access, ...) \
- { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
-#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
- { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
-#include "ioctls.h"
- { 0, 0, },
-};
-
-/* ??? Implement proper locking for ioctls. */
-/* do_ioctl() Must return target values and target errnos. */
-static abi_long do_ioctl(int fd, int cmd, abi_long arg)
-{
- const IOCTLEntry *ie;
- const argtype *arg_type;
- abi_long ret;
- uint8_t buf_temp[MAX_STRUCT_SIZE];
- int target_size;
- void *argptr;
-
- ie = ioctl_entries;
- for(;;) {
- if (ie->target_cmd == 0) {
- gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
- return -TARGET_ENOSYS;
- }
- if (ie->target_cmd == cmd)
- break;
- ie++;
- }
- arg_type = ie->arg_type;
-#if defined(DEBUG)
- gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
-#endif
- if (ie->do_ioctl) {
- return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
- }
-
- switch(arg_type[0]) {
- case TYPE_NULL:
- /* no argument */
- ret = get_errno(ioctl(fd, ie->host_cmd));
- break;
- case TYPE_PTRVOID:
- case TYPE_INT:
- ret = get_errno(ioctl(fd, ie->host_cmd, arg));
- break;
- case TYPE_PTR:
- arg_type++;
- target_size = thunk_type_size(arg_type, 0);
- switch(ie->access) {
- case IOC_R:
- ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
- if (!is_error(ret)) {
- argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
- if (!argptr)
- return -TARGET_EFAULT;
- thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
- unlock_user(argptr, arg, target_size);
- }
- break;
- case IOC_W:
- argptr = lock_user(VERIFY_READ, arg, target_size, 1);
- if (!argptr)
- return -TARGET_EFAULT;
- thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
- unlock_user(argptr, arg, 0);
- ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
- break;
- default:
- case IOC_RW:
- argptr = lock_user(VERIFY_READ, arg, target_size, 1);
- if (!argptr)
- return -TARGET_EFAULT;
- thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
- unlock_user(argptr, arg, 0);
- ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
- if (!is_error(ret)) {
- argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
- if (!argptr)
- return -TARGET_EFAULT;
- thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
- unlock_user(argptr, arg, target_size);
- }
- break;
- }
- break;
- default:
- gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
- (long)cmd, arg_type[0]);
- ret = -TARGET_ENOSYS;
- break;
- }
- return ret;
-}
-
-static const bitmask_transtbl iflag_tbl[] = {
- { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
- { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
- { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
- { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
- { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
- { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
- { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
- { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
- { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
- { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
- { TARGET_IXON, TARGET_IXON, IXON, IXON },
- { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
- { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
- { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
- { 0, 0, 0, 0 }
-};
-
-static const bitmask_transtbl oflag_tbl[] = {
- { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
- { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
- { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
- { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
- { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
- { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
- { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
- { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
- { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
- { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
- { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
- { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
- { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
- { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
- { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
- { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
- { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
- { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
- { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
- { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
- { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
- { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
- { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
- { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
- { 0, 0, 0, 0 }
-};
-
-static const bitmask_transtbl cflag_tbl[] = {
- { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
- { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
- { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
- { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
- { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
- { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
- { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
- { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
- { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
- { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
- { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
- { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
- { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
- { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
- { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
- { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
- { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
- { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
- { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
- { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
- { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
- { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
- { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
- { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
- { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
- { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
- { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
- { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
- { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
- { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
- { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
- { 0, 0, 0, 0 }
-};
-
-static const bitmask_transtbl lflag_tbl[] = {
- { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
- { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
- { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
- { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
- { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
- { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
- { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
- { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
- { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
- { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
- { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
- { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
- { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
- { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
- { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
- { 0, 0, 0, 0 }
-};
-
-static void target_to_host_termios (void *dst, const void *src)
-{
- struct host_termios *host = dst;
- const struct target_termios *target = src;
-
- host->c_iflag =
- target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
- host->c_oflag =
- target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
- host->c_cflag =
- target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
- host->c_lflag =
- target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
- host->c_line = target->c_line;
-
- memset(host->c_cc, 0, sizeof(host->c_cc));
- host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
- host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
- host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
- host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
- host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
- host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
- host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
- host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
- host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
- host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
- host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
- host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
- host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
- host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
- host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
- host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
- host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
-}
-
-static void host_to_target_termios (void *dst, const void *src)
-{
- struct target_termios *target = dst;
- const struct host_termios *host = src;
-
- target->c_iflag =
- tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
- target->c_oflag =
- tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
- target->c_cflag =
- tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
- target->c_lflag =
- tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
- target->c_line = host->c_line;
-
- memset(target->c_cc, 0, sizeof(target->c_cc));
- target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
- target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
- target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
- target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
- target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
- target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
- target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
- target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
- target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
- target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
- target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
- target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
- target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
- target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
- target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
- target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
- target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
-}
-
-static const StructEntry struct_termios_def = {
- .convert = { host_to_target_termios, target_to_host_termios },
- .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
- .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
-};
-
-static bitmask_transtbl mmap_flags_tbl[] = {
- { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
- { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
- { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
- { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
- { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
- { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
- { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
- { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
- { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, MAP_NORESERVE,
- MAP_NORESERVE },
- { 0, 0, 0, 0 }
-};
-
-#if defined(TARGET_I386)
-
-/* NOTE: there is really one LDT for all the threads */
-static uint8_t *ldt_table;
-
-static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
-{
- int size;
- void *p;
-
- if (!ldt_table)
- return 0;
- size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
- if (size > bytecount)
- size = bytecount;
- p = lock_user(VERIFY_WRITE, ptr, size, 0);
- if (!p)
- return -TARGET_EFAULT;
- /* ??? Should this by byteswapped? */
- memcpy(p, ldt_table, size);
- unlock_user(p, ptr, size);
- return size;
-}
-
-/* XXX: add locking support */
-static abi_long write_ldt(CPUX86State *env,
- abi_ulong ptr, unsigned long bytecount, int oldmode)
-{
- struct target_modify_ldt_ldt_s ldt_info;
- struct target_modify_ldt_ldt_s *target_ldt_info;
- int seg_32bit, contents, read_exec_only, limit_in_pages;
- int seg_not_present, useable, lm;
- uint32_t *lp, entry_1, entry_2;
-
- if (bytecount != sizeof(ldt_info))
- return -TARGET_EINVAL;
- if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
- return -TARGET_EFAULT;
- ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
- ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
- ldt_info.limit = tswap32(target_ldt_info->limit);
- ldt_info.flags = tswap32(target_ldt_info->flags);
- unlock_user_struct(target_ldt_info, ptr, 0);
-
- if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
- return -TARGET_EINVAL;
- seg_32bit = ldt_info.flags & 1;
- contents = (ldt_info.flags >> 1) & 3;
- read_exec_only = (ldt_info.flags >> 3) & 1;
- limit_in_pages = (ldt_info.flags >> 4) & 1;
- seg_not_present = (ldt_info.flags >> 5) & 1;
- useable = (ldt_info.flags >> 6) & 1;
-#ifdef TARGET_ABI32
- lm = 0;
-#else
- lm = (ldt_info.flags >> 7) & 1;
-#endif
- if (contents == 3) {
- if (oldmode)
- return -TARGET_EINVAL;
- if (seg_not_present == 0)
- return -TARGET_EINVAL;
- }
- /* allocate the LDT */
- if (!ldt_table) {
- env->ldt.base = target_mmap(0,
- TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
- PROT_READ|PROT_WRITE,
- MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
- if (env->ldt.base == -1)
- return -TARGET_ENOMEM;
- memset(g2h(env->ldt.base), 0,
- TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
- env->ldt.limit = 0xffff;
- ldt_table = g2h(env->ldt.base);
- }
-
- /* NOTE: same code as Linux kernel */
- /* Allow LDTs to be cleared by the user. */
- if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
- if (oldmode ||
- (contents == 0 &&
- read_exec_only == 1 &&
- seg_32bit == 0 &&
- limit_in_pages == 0 &&
- seg_not_present == 1 &&
- useable == 0 )) {
- entry_1 = 0;
- entry_2 = 0;
- goto install;
- }
- }
-
- entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
- (ldt_info.limit & 0x0ffff);
- entry_2 = (ldt_info.base_addr & 0xff000000) |
- ((ldt_info.base_addr & 0x00ff0000) >> 16) |
- (ldt_info.limit & 0xf0000) |
- ((read_exec_only ^ 1) << 9) |
- (contents << 10) |
- ((seg_not_present ^ 1) << 15) |
- (seg_32bit << 22) |
- (limit_in_pages << 23) |
- (lm << 21) |
- 0x7000;
- if (!oldmode)
- entry_2 |= (useable << 20);
-
- /* Install the new entry ... */
-install:
- lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
- lp[0] = tswap32(entry_1);
- lp[1] = tswap32(entry_2);
- return 0;
-}
-
-/* specific and weird i386 syscalls */
-static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
- unsigned long bytecount)
-{
- abi_long ret;
-
- switch (func) {
- case 0:
- ret = read_ldt(ptr, bytecount);
- break;
- case 1:
- ret = write_ldt(env, ptr, bytecount, 1);
- break;
- case 0x11:
- ret = write_ldt(env, ptr, bytecount, 0);
- break;
- default:
- ret = -TARGET_ENOSYS;
- break;
- }
- return ret;
-}
-
-#if defined(TARGET_I386) && defined(TARGET_ABI32)
-abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
-{
- uint64_t *gdt_table = g2h(env->gdt.base);
- struct target_modify_ldt_ldt_s ldt_info;
- struct target_modify_ldt_ldt_s *target_ldt_info;
- int seg_32bit, contents, read_exec_only, limit_in_pages;
- int seg_not_present, useable, lm;
- uint32_t *lp, entry_1, entry_2;
- int i;
-
- lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
- if (!target_ldt_info)
- return -TARGET_EFAULT;
- ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
- ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
- ldt_info.limit = tswap32(target_ldt_info->limit);
- ldt_info.flags = tswap32(target_ldt_info->flags);
- if (ldt_info.entry_number == -1) {
- for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
- if (gdt_table[i] == 0) {
- ldt_info.entry_number = i;
- target_ldt_info->entry_number = tswap32(i);
- break;
- }
- }
- }
- unlock_user_struct(target_ldt_info, ptr, 1);
-
- if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
- ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
- return -TARGET_EINVAL;
- seg_32bit = ldt_info.flags & 1;
- contents = (ldt_info.flags >> 1) & 3;
- read_exec_only = (ldt_info.flags >> 3) & 1;
- limit_in_pages = (ldt_info.flags >> 4) & 1;
- seg_not_present = (ldt_info.flags >> 5) & 1;
- useable = (ldt_info.flags >> 6) & 1;
-#ifdef TARGET_ABI32
- lm = 0;
-#else
- lm = (ldt_info.flags >> 7) & 1;
-#endif
-
- if (contents == 3) {
- if (seg_not_present == 0)
- return -TARGET_EINVAL;
- }
-
- /* NOTE: same code as Linux kernel */
- /* Allow LDTs to be cleared by the user. */
- if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
- if ((contents == 0 &&
- read_exec_only == 1 &&
- seg_32bit == 0 &&
- limit_in_pages == 0 &&
- seg_not_present == 1 &&
- useable == 0 )) {
- entry_1 = 0;
- entry_2 = 0;
- goto install;
- }
- }
-
- entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
- (ldt_info.limit & 0x0ffff);
- entry_2 = (ldt_info.base_addr & 0xff000000) |
- ((ldt_info.base_addr & 0x00ff0000) >> 16) |
- (ldt_info.limit & 0xf0000) |
- ((read_exec_only ^ 1) << 9) |
- (contents << 10) |
- ((seg_not_present ^ 1) << 15) |
- (seg_32bit << 22) |
- (limit_in_pages << 23) |
- (useable << 20) |
- (lm << 21) |
- 0x7000;
-
- /* Install the new entry ... */
-install:
- lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
- lp[0] = tswap32(entry_1);
- lp[1] = tswap32(entry_2);
- return 0;
-}
-
-static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
-{
- struct target_modify_ldt_ldt_s *target_ldt_info;
- uint64_t *gdt_table = g2h(env->gdt.base);
- uint32_t base_addr, limit, flags;
- int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
- int seg_not_present, useable, lm;
- uint32_t *lp, entry_1, entry_2;
-
- lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
- if (!target_ldt_info)
- return -TARGET_EFAULT;
- idx = tswap32(target_ldt_info->entry_number);
- if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
- idx > TARGET_GDT_ENTRY_TLS_MAX) {
- unlock_user_struct(target_ldt_info, ptr, 1);
- return -TARGET_EINVAL;
- }
- lp = (uint32_t *)(gdt_table + idx);
- entry_1 = tswap32(lp[0]);
- entry_2 = tswap32(lp[1]);
-
- read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
- contents = (entry_2 >> 10) & 3;
- seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
- seg_32bit = (entry_2 >> 22) & 1;
- limit_in_pages = (entry_2 >> 23) & 1;
- useable = (entry_2 >> 20) & 1;
-#ifdef TARGET_ABI32
- lm = 0;
-#else
- lm = (entry_2 >> 21) & 1;
-#endif
- flags = (seg_32bit << 0) | (contents << 1) |
- (read_exec_only << 3) | (limit_in_pages << 4) |
- (seg_not_present << 5) | (useable << 6) | (lm << 7);
- limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
- base_addr = (entry_1 >> 16) |
- (entry_2 & 0xff000000) |
- ((entry_2 & 0xff) << 16);
- target_ldt_info->base_addr = tswapal(base_addr);
- target_ldt_info->limit = tswap32(limit);
- target_ldt_info->flags = tswap32(flags);
- unlock_user_struct(target_ldt_info, ptr, 1);
- return 0;
-}
-#endif /* TARGET_I386 && TARGET_ABI32 */
-
-#ifndef TARGET_ABI32
-abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
-{
- abi_long ret = 0;
- abi_ulong val;
- int idx;
-
- switch(code) {
- case TARGET_ARCH_SET_GS:
- case TARGET_ARCH_SET_FS:
- if (code == TARGET_ARCH_SET_GS)
- idx = R_GS;
- else
- idx = R_FS;
- cpu_x86_load_seg(env, idx, 0);
- env->segs[idx].base = addr;
- break;
- case TARGET_ARCH_GET_GS:
- case TARGET_ARCH_GET_FS:
- if (code == TARGET_ARCH_GET_GS)
- idx = R_GS;
- else
- idx = R_FS;
- val = env->segs[idx].base;
- if (put_user(val, addr, abi_ulong))
- ret = -TARGET_EFAULT;
- break;
- default:
- ret = -TARGET_EINVAL;
- break;
- }
- return ret;
-}
-#endif
-
-#endif /* defined(TARGET_I386) */
-
-#define NEW_STACK_SIZE 0x40000
-
-
-static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
-typedef struct {
- CPUArchState *env;
- pthread_mutex_t mutex;
- pthread_cond_t cond;
- pthread_t thread;
- uint32_t tid;
- abi_ulong child_tidptr;
- abi_ulong parent_tidptr;
- sigset_t sigmask;
-} new_thread_info;
-
-static void *clone_func(void *arg)
-{
- new_thread_info *info = arg;
- CPUArchState *env;
- CPUState *cpu;
- TaskState *ts;
-
- rcu_register_thread();
- env = info->env;
- cpu = ENV_GET_CPU(env);
- thread_cpu = cpu;
- ts = (TaskState *)cpu->opaque;
- info->tid = gettid();
- cpu->host_tid = info->tid;
- task_settid(ts);
- if (info->child_tidptr)
- put_user_u32(info->tid, info->child_tidptr);
- if (info->parent_tidptr)
- put_user_u32(info->tid, info->parent_tidptr);
- /* Enable signals. */
- sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
- /* Signal to the parent that we're ready. */
- pthread_mutex_lock(&info->mutex);
- pthread_cond_broadcast(&info->cond);
- pthread_mutex_unlock(&info->mutex);
- /* Wait until the parent has finshed initializing the tls state. */
- pthread_mutex_lock(&clone_lock);
- pthread_mutex_unlock(&clone_lock);
- cpu_loop(env);
- /* never exits */
- return NULL;
-}
-
-/* do_fork() Must return host values and target errnos (unlike most
- do_*() functions). */
-static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
- abi_ulong parent_tidptr, target_ulong newtls,
- abi_ulong child_tidptr)
-{
- CPUState *cpu = ENV_GET_CPU(env);
- int ret;
- TaskState *ts;
- CPUState *new_cpu;
- CPUArchState *new_env;
- unsigned int nptl_flags;
- sigset_t sigmask;
-
- /* Emulate vfork() with fork() */
- if (flags & CLONE_VFORK)
- flags &= ~(CLONE_VFORK | CLONE_VM);
-
- if (flags & CLONE_VM) {
- TaskState *parent_ts = (TaskState *)cpu->opaque;
- new_thread_info info;
- pthread_attr_t attr;
-
- ts = g_new0(TaskState, 1);
- init_task_state(ts);
- /* we create a new CPU instance. */
- new_env = cpu_copy(env);
- /* Init regs that differ from the parent. */
- cpu_clone_regs(new_env, newsp);
- new_cpu = ENV_GET_CPU(new_env);
- new_cpu->opaque = ts;
- ts->bprm = parent_ts->bprm;
- ts->info = parent_ts->info;
- nptl_flags = flags;
- flags &= ~CLONE_NPTL_FLAGS2;
-
- if (nptl_flags & CLONE_CHILD_CLEARTID) {
- ts->child_tidptr = child_tidptr;
- }
-
- if (nptl_flags & CLONE_SETTLS)
- cpu_set_tls (new_env, newtls);
-
- /* Grab a mutex so that thread setup appears atomic. */
- pthread_mutex_lock(&clone_lock);
-
- memset(&info, 0, sizeof(info));
- pthread_mutex_init(&info.mutex, NULL);
- pthread_mutex_lock(&info.mutex);
- pthread_cond_init(&info.cond, NULL);
- info.env = new_env;
- if (nptl_flags & CLONE_CHILD_SETTID)
- info.child_tidptr = child_tidptr;
- if (nptl_flags & CLONE_PARENT_SETTID)
- info.parent_tidptr = parent_tidptr;
-
- ret = pthread_attr_init(&attr);
- ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
- ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
- /* It is not safe to deliver signals until the child has finished
- initializing, so temporarily block all signals. */
- sigfillset(&sigmask);
- sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
-
- ret = pthread_create(&info.thread, &attr, clone_func, &info);
- /* TODO: Free new CPU state if thread creation failed. */
-
- sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
- pthread_attr_destroy(&attr);
- if (ret == 0) {
- /* Wait for the child to initialize. */
- pthread_cond_wait(&info.cond, &info.mutex);
- ret = info.tid;
- if (flags & CLONE_PARENT_SETTID)
- put_user_u32(ret, parent_tidptr);
- } else {
- ret = -1;
- }
- pthread_mutex_unlock(&info.mutex);
- pthread_cond_destroy(&info.cond);
- pthread_mutex_destroy(&info.mutex);
- pthread_mutex_unlock(&clone_lock);
- } else {
- /* if no CLONE_VM, we consider it is a fork */
- if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) {
- return -TARGET_EINVAL;
- }
- fork_start();
- ret = fork();
- if (ret == 0) {
- /* Child Process. */
- rcu_after_fork();
- cpu_clone_regs(env, newsp);
- fork_end(1);
- /* There is a race condition here. The parent process could
- theoretically read the TID in the child process before the child
- tid is set. This would require using either ptrace
- (not implemented) or having *_tidptr to point at a shared memory
- mapping. We can't repeat the spinlock hack used above because
- the child process gets its own copy of the lock. */
- if (flags & CLONE_CHILD_SETTID)
- put_user_u32(gettid(), child_tidptr);
- if (flags & CLONE_PARENT_SETTID)
- put_user_u32(gettid(), parent_tidptr);
- ts = (TaskState *)cpu->opaque;
- if (flags & CLONE_SETTLS)
- cpu_set_tls (env, newtls);
- if (flags & CLONE_CHILD_CLEARTID)
- ts->child_tidptr = child_tidptr;
- } else {
- fork_end(0);
- }
- }
- return ret;
-}
-
-/* warning : doesn't handle linux specific flags... */
-static int target_to_host_fcntl_cmd(int cmd)
-{
- switch(cmd) {
- case TARGET_F_DUPFD:
- case TARGET_F_GETFD:
- case TARGET_F_SETFD:
- case TARGET_F_GETFL:
- case TARGET_F_SETFL:
- return cmd;
- case TARGET_F_GETLK:
- return F_GETLK;
- case TARGET_F_SETLK:
- return F_SETLK;
- case TARGET_F_SETLKW:
- return F_SETLKW;
- case TARGET_F_GETOWN:
- return F_GETOWN;
- case TARGET_F_SETOWN:
- return F_SETOWN;
- case TARGET_F_GETSIG:
- return F_GETSIG;
- case TARGET_F_SETSIG:
- return F_SETSIG;
-#if TARGET_ABI_BITS == 32
- case TARGET_F_GETLK64:
- return F_GETLK64;
- case TARGET_F_SETLK64:
- return F_SETLK64;
- case TARGET_F_SETLKW64:
- return F_SETLKW64;
-#endif
- case TARGET_F_SETLEASE:
- return F_SETLEASE;
- case TARGET_F_GETLEASE:
- return F_GETLEASE;
-#ifdef F_DUPFD_CLOEXEC
- case TARGET_F_DUPFD_CLOEXEC:
- return F_DUPFD_CLOEXEC;
-#endif
- case TARGET_F_NOTIFY:
- return F_NOTIFY;
-#ifdef F_GETOWN_EX
- case TARGET_F_GETOWN_EX:
- return F_GETOWN_EX;
-#endif
-#ifdef F_SETOWN_EX
- case TARGET_F_SETOWN_EX:
- return F_SETOWN_EX;
-#endif
- default:
- return -TARGET_EINVAL;
- }
- return -TARGET_EINVAL;
-}
-
-#define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
-static const bitmask_transtbl flock_tbl[] = {
- TRANSTBL_CONVERT(F_RDLCK),
- TRANSTBL_CONVERT(F_WRLCK),
- TRANSTBL_CONVERT(F_UNLCK),
- TRANSTBL_CONVERT(F_EXLCK),
- TRANSTBL_CONVERT(F_SHLCK),
- { 0, 0, 0, 0 }
-};
-
-static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
-{
- struct flock fl;
- struct target_flock *target_fl;
- struct flock64 fl64;
- struct target_flock64 *target_fl64;
-#ifdef F_GETOWN_EX
- struct f_owner_ex fox;
- struct target_f_owner_ex *target_fox;
-#endif
- abi_long ret;
- int host_cmd = target_to_host_fcntl_cmd(cmd);
-
- if (host_cmd == -TARGET_EINVAL)
- return host_cmd;
-
- switch(cmd) {
- case TARGET_F_GETLK:
- if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
- return -TARGET_EFAULT;
- fl.l_type =
- target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
- fl.l_whence = tswap16(target_fl->l_whence);
- fl.l_start = tswapal(target_fl->l_start);
- fl.l_len = tswapal(target_fl->l_len);
- fl.l_pid = tswap32(target_fl->l_pid);
- unlock_user_struct(target_fl, arg, 0);
- ret = get_errno(fcntl(fd, host_cmd, &fl));
- if (ret == 0) {
- if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
- return -TARGET_EFAULT;
- target_fl->l_type =
- host_to_target_bitmask(tswap16(fl.l_type), flock_tbl);
- target_fl->l_whence = tswap16(fl.l_whence);
- target_fl->l_start = tswapal(fl.l_start);
- target_fl->l_len = tswapal(fl.l_len);
- target_fl->l_pid = tswap32(fl.l_pid);
- unlock_user_struct(target_fl, arg, 1);
- }
- break;
-
- case TARGET_F_SETLK:
- case TARGET_F_SETLKW:
- if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
- return -TARGET_EFAULT;
- fl.l_type =
- target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
- fl.l_whence = tswap16(target_fl->l_whence);
- fl.l_start = tswapal(target_fl->l_start);
- fl.l_len = tswapal(target_fl->l_len);
- fl.l_pid = tswap32(target_fl->l_pid);
- unlock_user_struct(target_fl, arg, 0);
- ret = get_errno(fcntl(fd, host_cmd, &fl));
- break;
-
- case TARGET_F_GETLK64:
- if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
- return -TARGET_EFAULT;
- fl64.l_type =
- target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
- fl64.l_whence = tswap16(target_fl64->l_whence);
- fl64.l_start = tswap64(target_fl64->l_start);
- fl64.l_len = tswap64(target_fl64->l_len);
- fl64.l_pid = tswap32(target_fl64->l_pid);
- unlock_user_struct(target_fl64, arg, 0);
- ret = get_errno(fcntl(fd, host_cmd, &fl64));
- if (ret == 0) {
- if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
- return -TARGET_EFAULT;
- target_fl64->l_type =
- host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1;
- target_fl64->l_whence = tswap16(fl64.l_whence);
- target_fl64->l_start = tswap64(fl64.l_start);
- target_fl64->l_len = tswap64(fl64.l_len);
- target_fl64->l_pid = tswap32(fl64.l_pid);
- unlock_user_struct(target_fl64, arg, 1);
- }
- break;
- case TARGET_F_SETLK64:
- case TARGET_F_SETLKW64:
- if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
- return -TARGET_EFAULT;
- fl64.l_type =
- target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
- fl64.l_whence = tswap16(target_fl64->l_whence);
- fl64.l_start = tswap64(target_fl64->l_start);
- fl64.l_len = tswap64(target_fl64->l_len);
- fl64.l_pid = tswap32(target_fl64->l_pid);
- unlock_user_struct(target_fl64, arg, 0);
- ret = get_errno(fcntl(fd, host_cmd, &fl64));
- break;
-
- case TARGET_F_GETFL:
- ret = get_errno(fcntl(fd, host_cmd, arg));
- if (ret >= 0) {
- ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
- }
- break;
-
- case TARGET_F_SETFL:
- ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
- break;
-
-#ifdef F_GETOWN_EX
- case TARGET_F_GETOWN_EX:
- ret = get_errno(fcntl(fd, host_cmd, &fox));
- if (ret >= 0) {
- if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
- return -TARGET_EFAULT;
- target_fox->type = tswap32(fox.type);
- target_fox->pid = tswap32(fox.pid);
- unlock_user_struct(target_fox, arg, 1);
- }
- break;
-#endif
-
-#ifdef F_SETOWN_EX
- case TARGET_F_SETOWN_EX:
- if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
- return -TARGET_EFAULT;
- fox.type = tswap32(target_fox->type);
- fox.pid = tswap32(target_fox->pid);
- unlock_user_struct(target_fox, arg, 0);
- ret = get_errno(fcntl(fd, host_cmd, &fox));
- break;
-#endif
-
- case TARGET_F_SETOWN:
- case TARGET_F_GETOWN:
- case TARGET_F_SETSIG:
- case TARGET_F_GETSIG:
- case TARGET_F_SETLEASE:
- case TARGET_F_GETLEASE:
- ret = get_errno(fcntl(fd, host_cmd, arg));
- break;
-
- default:
- ret = get_errno(fcntl(fd, cmd, arg));
- break;
- }
- return ret;
-}
-
-#ifdef USE_UID16
-
-static inline int high2lowuid(int uid)
-{
- if (uid > 65535)
- return 65534;
- else
- return uid;
-}
-
-static inline int high2lowgid(int gid)
-{
- if (gid > 65535)
- return 65534;
- else
- return gid;
-}
-
-static inline int low2highuid(int uid)
-{
- if ((int16_t)uid == -1)
- return -1;
- else
- return uid;
-}
-
-static inline int low2highgid(int gid)
-{
- if ((int16_t)gid == -1)
- return -1;
- else
- return gid;
-}
-static inline int tswapid(int id)
-{
- return tswap16(id);
-}
-
-#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
-
-#else /* !USE_UID16 */
-static inline int high2lowuid(int uid)
-{
- return uid;
-}
-static inline int high2lowgid(int gid)
-{
- return gid;
-}
-static inline int low2highuid(int uid)
-{
- return uid;
-}
-static inline int low2highgid(int gid)
-{
- return gid;
-}
-static inline int tswapid(int id)
-{
- return tswap32(id);
-}
-
-#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
-
-#endif /* USE_UID16 */
-
-void syscall_init(void)
-{
- IOCTLEntry *ie;
- const argtype *arg_type;
- int size;
- int i;
-
- thunk_init(STRUCT_MAX);
-
-#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
-#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
-#include "syscall_types.h"
-#undef STRUCT
-#undef STRUCT_SPECIAL
-
- /* Build target_to_host_errno_table[] table from
- * host_to_target_errno_table[]. */
- for (i = 0; i < ERRNO_TABLE_SIZE; i++) {
- target_to_host_errno_table[host_to_target_errno_table[i]] = i;
- }
-
- /* we patch the ioctl size if necessary. We rely on the fact that
- no ioctl has all the bits at '1' in the size field */
- ie = ioctl_entries;
- while (ie->target_cmd != 0) {
- if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
- TARGET_IOC_SIZEMASK) {
- arg_type = ie->arg_type;
- if (arg_type[0] != TYPE_PTR) {
- fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
- ie->target_cmd);
- exit(1);
- }
- arg_type++;
- size = thunk_type_size(arg_type, 0);
- ie->target_cmd = (ie->target_cmd &
- ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
- (size << TARGET_IOC_SIZESHIFT);
- }
-
- /* automatic consistency check if same arch */
-#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
- (defined(__x86_64__) && defined(TARGET_X86_64))
- if (unlikely(ie->target_cmd != ie->host_cmd)) {
- fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
- ie->name, ie->target_cmd, ie->host_cmd);
- }
-#endif
- ie++;
- }
-}
-
-#if TARGET_ABI_BITS == 32
-static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
-{
-#ifdef TARGET_WORDS_BIGENDIAN
- return ((uint64_t)word0 << 32) | word1;
-#else
- return ((uint64_t)word1 << 32) | word0;
-#endif
-}
-#else /* TARGET_ABI_BITS == 32 */
-static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
-{
- return word0;
-}
-#endif /* TARGET_ABI_BITS != 32 */
-
-#ifdef TARGET_NR_truncate64
-static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
- abi_long arg2,
- abi_long arg3,
- abi_long arg4)
-{
- if (regpairs_aligned(cpu_env)) {
- arg2 = arg3;
- arg3 = arg4;
- }
- return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
-}
-#endif
-
-#ifdef TARGET_NR_ftruncate64
-static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
- abi_long arg2,
- abi_long arg3,
- abi_long arg4)
-{
- if (regpairs_aligned(cpu_env)) {
- arg2 = arg3;
- arg3 = arg4;
- }
- return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
-}
-#endif
-
-static inline abi_long target_to_host_timespec(struct timespec *host_ts,
- abi_ulong target_addr)
-{
- struct target_timespec *target_ts;
-
- if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
- return -TARGET_EFAULT;
- host_ts->tv_sec = tswapal(target_ts->tv_sec);
- host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
- unlock_user_struct(target_ts, target_addr, 0);
- return 0;
-}
-
-static inline abi_long host_to_target_timespec(abi_ulong target_addr,
- struct timespec *host_ts)
-{
- struct target_timespec *target_ts;
-
- if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
- return -TARGET_EFAULT;
- target_ts->tv_sec = tswapal(host_ts->tv_sec);
- target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
- unlock_user_struct(target_ts, target_addr, 1);
- return 0;
-}
-
-static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec,
- abi_ulong target_addr)
-{
- struct target_itimerspec *target_itspec;
-
- if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) {
- return -TARGET_EFAULT;
- }
-
- host_itspec->it_interval.tv_sec =
- tswapal(target_itspec->it_interval.tv_sec);
- host_itspec->it_interval.tv_nsec =
- tswapal(target_itspec->it_interval.tv_nsec);
- host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec);
- host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec);
-
- unlock_user_struct(target_itspec, target_addr, 1);
- return 0;
-}
-
-static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
- struct itimerspec *host_its)
-{
- struct target_itimerspec *target_itspec;
-
- if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) {
- return -TARGET_EFAULT;
- }
-
- target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec);
- target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec);
-
- target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec);
- target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec);
-
- unlock_user_struct(target_itspec, target_addr, 0);
- return 0;
-}
-
-static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp,
- abi_ulong target_addr)
-{
- struct target_sigevent *target_sevp;
-
- if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) {
- return -TARGET_EFAULT;
- }
-
- /* This union is awkward on 64 bit systems because it has a 32 bit
- * integer and a pointer in it; we follow the conversion approach
- * used for handling sigval types in signal.c so the guest should get
- * the correct value back even if we did a 64 bit byteswap and it's
- * using the 32 bit integer.
- */
- host_sevp->sigev_value.sival_ptr =
- (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr);
- host_sevp->sigev_signo =
- target_to_host_signal(tswap32(target_sevp->sigev_signo));
- host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify);
- host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid);
-
- unlock_user_struct(target_sevp, target_addr, 1);
- return 0;
-}
-
-#if defined(TARGET_NR_mlockall)
-static inline int target_to_host_mlockall_arg(int arg)
-{
- int result = 0;
-
- if (arg & TARGET_MLOCKALL_MCL_CURRENT) {
- result |= MCL_CURRENT;
- }
- if (arg & TARGET_MLOCKALL_MCL_FUTURE) {
- result |= MCL_FUTURE;
- }
- return result;
-}
-#endif
-
-static inline abi_long host_to_target_stat64(void *cpu_env,
- abi_ulong target_addr,
- struct stat *host_st)
-{
-#if defined(TARGET_ARM) && defined(TARGET_ABI32)
- if (((CPUARMState *)cpu_env)->eabi) {
- struct target_eabi_stat64 *target_st;
-
- if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
- return -TARGET_EFAULT;
- memset(target_st, 0, sizeof(struct target_eabi_stat64));
- __put_user(host_st->st_dev, &target_st->st_dev);
- __put_user(host_st->st_ino, &target_st->st_ino);
-#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
- __put_user(host_st->st_ino, &target_st->__st_ino);
-#endif
- __put_user(host_st->st_mode, &target_st->st_mode);
- __put_user(host_st->st_nlink, &target_st->st_nlink);
- __put_user(host_st->st_uid, &target_st->st_uid);
- __put_user(host_st->st_gid, &target_st->st_gid);
- __put_user(host_st->st_rdev, &target_st->st_rdev);
- __put_user(host_st->st_size, &target_st->st_size);
- __put_user(host_st->st_blksize, &target_st->st_blksize);
- __put_user(host_st->st_blocks, &target_st->st_blocks);
- __put_user(host_st->st_atime, &target_st->target_st_atime);
- __put_user(host_st->st_mtime, &target_st->target_st_mtime);
- __put_user(host_st->st_ctime, &target_st->target_st_ctime);
- unlock_user_struct(target_st, target_addr, 1);
- } else
-#endif
- {
-#if defined(TARGET_HAS_STRUCT_STAT64)
- struct target_stat64 *target_st;
-#else
- struct target_stat *target_st;
-#endif
-
- if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
- return -TARGET_EFAULT;
- memset(target_st, 0, sizeof(*target_st));
- __put_user(host_st->st_dev, &target_st->st_dev);
- __put_user(host_st->st_ino, &target_st->st_ino);
-#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
- __put_user(host_st->st_ino, &target_st->__st_ino);
-#endif
- __put_user(host_st->st_mode, &target_st->st_mode);
- __put_user(host_st->st_nlink, &target_st->st_nlink);
- __put_user(host_st->st_uid, &target_st->st_uid);
- __put_user(host_st->st_gid, &target_st->st_gid);
- __put_user(host_st->st_rdev, &target_st->st_rdev);
- /* XXX: better use of kernel struct */
- __put_user(host_st->st_size, &target_st->st_size);
- __put_user(host_st->st_blksize, &target_st->st_blksize);
- __put_user(host_st->st_blocks, &target_st->st_blocks);
- __put_user(host_st->st_atime, &target_st->target_st_atime);
- __put_user(host_st->st_mtime, &target_st->target_st_mtime);
- __put_user(host_st->st_ctime, &target_st->target_st_ctime);
- unlock_user_struct(target_st, target_addr, 1);
- }
-
- return 0;
-}
-
-/* ??? Using host futex calls even when target atomic operations
- are not really atomic probably breaks things. However implementing
- futexes locally would make futexes shared between multiple processes
- tricky. However they're probably useless because guest atomic
- operations won't work either. */
-static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
- target_ulong uaddr2, int val3)
-{
- struct timespec ts, *pts;
- int base_op;
-
- /* ??? We assume FUTEX_* constants are the same on both host
- and target. */
-#ifdef FUTEX_CMD_MASK
- base_op = op & FUTEX_CMD_MASK;
-#else
- base_op = op;
-#endif
- switch (base_op) {
- case FUTEX_WAIT:
- case FUTEX_WAIT_BITSET:
- if (timeout) {
- pts = &ts;
- target_to_host_timespec(pts, timeout);
- } else {
- pts = NULL;
- }
- return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
- pts, NULL, val3));
- case FUTEX_WAKE:
- return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
- case FUTEX_FD:
- return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
- case FUTEX_REQUEUE:
- case FUTEX_CMP_REQUEUE:
- case FUTEX_WAKE_OP:
- /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
- TIMEOUT parameter is interpreted as a uint32_t by the kernel.
- But the prototype takes a `struct timespec *'; insert casts
- to satisfy the compiler. We do not need to tswap TIMEOUT
- since it's not compared to guest memory. */
- pts = (struct timespec *)(uintptr_t) timeout;
- return get_errno(sys_futex(g2h(uaddr), op, val, pts,
- g2h(uaddr2),
- (base_op == FUTEX_CMP_REQUEUE
- ? tswap32(val3)
- : val3)));
- default:
- return -TARGET_ENOSYS;
- }
-}
-#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
-static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname,
- abi_long handle, abi_long mount_id,
- abi_long flags)
-{
- struct file_handle *target_fh;
- struct file_handle *fh;
- int mid = 0;
- abi_long ret;
- char *name;
- unsigned int size, total_size;
-
- if (get_user_s32(size, handle)) {
- return -TARGET_EFAULT;
- }
-
- name = lock_user_string(pathname);
- if (!name) {
- return -TARGET_EFAULT;
- }
-
- total_size = sizeof(struct file_handle) + size;
- target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0);
- if (!target_fh) {
- unlock_user(name, pathname, 0);
- return -TARGET_EFAULT;
- }
-
- fh = g_malloc0(total_size);
- fh->handle_bytes = size;
-
- ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags));
- unlock_user(name, pathname, 0);
-
- /* man name_to_handle_at(2):
- * Other than the use of the handle_bytes field, the caller should treat
- * the file_handle structure as an opaque data type
- */
-
- memcpy(target_fh, fh, total_size);
- target_fh->handle_bytes = tswap32(fh->handle_bytes);
- target_fh->handle_type = tswap32(fh->handle_type);
- g_free(fh);
- unlock_user(target_fh, handle, total_size);
-
- if (put_user_s32(mid, mount_id)) {
- return -TARGET_EFAULT;
- }
-
- return ret;
-
-}
-#endif
-
-#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
-static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle,
- abi_long flags)
-{
- struct file_handle *target_fh;
- struct file_handle *fh;
- unsigned int size, total_size;
- abi_long ret;
-
- if (get_user_s32(size, handle)) {
- return -TARGET_EFAULT;
- }
-
- total_size = sizeof(struct file_handle) + size;
- target_fh = lock_user(VERIFY_READ, handle, total_size, 1);
- if (!target_fh) {
- return -TARGET_EFAULT;
- }
-
- fh = g_memdup(target_fh, total_size);
- fh->handle_bytes = size;
- fh->handle_type = tswap32(target_fh->handle_type);
-
- ret = get_errno(open_by_handle_at(mount_fd, fh,
- target_to_host_bitmask(flags, fcntl_flags_tbl)));
-
- g_free(fh);
-
- unlock_user(target_fh, handle, total_size);
-
- return ret;
-}
-#endif
-
-#if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4)
-
-/* signalfd siginfo conversion */
-
-static void
-host_to_target_signalfd_siginfo(struct signalfd_siginfo *tinfo,
- const struct signalfd_siginfo *info)
-{
- int sig = host_to_target_signal(info->ssi_signo);
-
- /* linux/signalfd.h defines a ssi_addr_lsb
- * not defined in sys/signalfd.h but used by some kernels
- */
-
-#ifdef BUS_MCEERR_AO
- if (tinfo->ssi_signo == SIGBUS &&
- (tinfo->ssi_code == BUS_MCEERR_AR ||
- tinfo->ssi_code == BUS_MCEERR_AO)) {
- uint16_t *ssi_addr_lsb = (uint16_t *)(&info->ssi_addr + 1);
- uint16_t *tssi_addr_lsb = (uint16_t *)(&tinfo->ssi_addr + 1);
- *tssi_addr_lsb = tswap16(*ssi_addr_lsb);
- }
-#endif
-
- tinfo->ssi_signo = tswap32(sig);
- tinfo->ssi_errno = tswap32(tinfo->ssi_errno);
- tinfo->ssi_code = tswap32(info->ssi_code);
- tinfo->ssi_pid = tswap32(info->ssi_pid);
- tinfo->ssi_uid = tswap32(info->ssi_uid);
- tinfo->ssi_fd = tswap32(info->ssi_fd);
- tinfo->ssi_tid = tswap32(info->ssi_tid);
- tinfo->ssi_band = tswap32(info->ssi_band);
- tinfo->ssi_overrun = tswap32(info->ssi_overrun);
- tinfo->ssi_trapno = tswap32(info->ssi_trapno);
- tinfo->ssi_status = tswap32(info->ssi_status);
- tinfo->ssi_int = tswap32(info->ssi_int);
- tinfo->ssi_ptr = tswap64(info->ssi_ptr);
- tinfo->ssi_utime = tswap64(info->ssi_utime);
- tinfo->ssi_stime = tswap64(info->ssi_stime);
- tinfo->ssi_addr = tswap64(info->ssi_addr);
-}
-
-static abi_long host_to_target_data_signalfd(void *buf, size_t len)
-{
- int i;
-
- for (i = 0; i < len; i += sizeof(struct signalfd_siginfo)) {
- host_to_target_signalfd_siginfo(buf + i, buf + i);
- }
-
- return len;
-}
-
-static TargetFdTrans target_signalfd_trans = {
- .host_to_target_data = host_to_target_data_signalfd,
-};
-
-static abi_long do_signalfd4(int fd, abi_long mask, int flags)
-{
- int host_flags;
- target_sigset_t *target_mask;
- sigset_t host_mask;
- abi_long ret;
-
- if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) {
- return -TARGET_EINVAL;
- }
- if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) {
- return -TARGET_EFAULT;
- }
-
- target_to_host_sigset(&host_mask, target_mask);
-
- host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
-
- ret = get_errno(signalfd(fd, &host_mask, host_flags));
- if (ret >= 0) {
- fd_trans_register(ret, &target_signalfd_trans);
- }
-
- unlock_user_struct(target_mask, mask, 0);
-
- return ret;
-}
-#endif
-
-/* Map host to target signal numbers for the wait family of syscalls.
- Assume all other status bits are the same. */
-int host_to_target_waitstatus(int status)
-{
- if (WIFSIGNALED(status)) {
- return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
- }
- if (WIFSTOPPED(status)) {
- return (host_to_target_signal(WSTOPSIG(status)) << 8)
- | (status & 0xff);
- }
- return status;
-}
-
-static int open_self_cmdline(void *cpu_env, int fd)
-{
- int fd_orig = -1;
- bool word_skipped = false;
-
- fd_orig = open("/proc/self/cmdline", O_RDONLY);
- if (fd_orig < 0) {
- return fd_orig;
- }
-
- while (true) {
- ssize_t nb_read;
- char buf[128];
- char *cp_buf = buf;
-
- nb_read = read(fd_orig, buf, sizeof(buf));
- if (nb_read < 0) {
- fd_orig = close(fd_orig);
- return -1;
- } else if (nb_read == 0) {
- break;
- }
-
- if (!word_skipped) {
- /* Skip the first string, which is the path to qemu-*-static
- instead of the actual command. */
- cp_buf = memchr(buf, 0, sizeof(buf));
- if (cp_buf) {
- /* Null byte found, skip one string */
- cp_buf++;
- nb_read -= cp_buf - buf;
- word_skipped = true;
- }
- }
-
- if (word_skipped) {
- if (write(fd, cp_buf, nb_read) != nb_read) {
- close(fd_orig);
- return -1;
- }
- }
- }
-
- return close(fd_orig);
-}
-
-static int open_self_maps(void *cpu_env, int fd)
-{
- CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
- TaskState *ts = cpu->opaque;
- FILE *fp;
- char *line = NULL;
- size_t len = 0;
- ssize_t read;
-
- fp = fopen("/proc/self/maps", "r");
- if (fp == NULL) {
- return -EACCES;
- }
-
- while ((read = getline(&line, &len, fp)) != -1) {
- int fields, dev_maj, dev_min, inode;
- uint64_t min, max, offset;
- char flag_r, flag_w, flag_x, flag_p;
- char path[512] = "";
- fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
- " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
- &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
-
- if ((fields < 10) || (fields > 11)) {
- continue;
- }
- if (h2g_valid(min)) {
- int flags = page_get_flags(h2g(min));
- max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX);
- if (page_check_range(h2g(min), max - min, flags) == -1) {
- continue;
- }
- if (h2g(min) == ts->info->stack_limit) {
- pstrcpy(path, sizeof(path), " [stack]");
- }
- dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
- " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n",
- h2g(min), h2g(max - 1) + 1, flag_r, flag_w,
- flag_x, flag_p, offset, dev_maj, dev_min, inode,
- path[0] ? " " : "", path);
- }
- }
-
- free(line);
- fclose(fp);
-
- return 0;
-}
-
-static int open_self_stat(void *cpu_env, int fd)
-{
- CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
- TaskState *ts = cpu->opaque;
- abi_ulong start_stack = ts->info->start_stack;
- int i;
-
- for (i = 0; i < 44; i++) {
- char buf[128];
- int len;
- uint64_t val = 0;
-
- if (i == 0) {
- /* pid */
- val = getpid();
- snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
- } else if (i == 1) {
- /* app name */
- snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
- } else if (i == 27) {
- /* stack bottom */
- val = start_stack;
- snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
- } else {
- /* for the rest, there is MasterCard */
- snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
- }
-
- len = strlen(buf);
- if (write(fd, buf, len) != len) {
- return -1;
- }
- }
-
- return 0;
-}
-
-static int open_self_auxv(void *cpu_env, int fd)
-{
- CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
- TaskState *ts = cpu->opaque;
- abi_ulong auxv = ts->info->saved_auxv;
- abi_ulong len = ts->info->auxv_len;
- char *ptr;
-
- /*
- * Auxiliary vector is stored in target process stack.
- * read in whole auxv vector and copy it to file
- */
- ptr = lock_user(VERIFY_READ, auxv, len, 0);
- if (ptr != NULL) {
- while (len > 0) {
- ssize_t r;
- r = write(fd, ptr, len);
- if (r <= 0) {
- break;
- }
- len -= r;
- ptr += r;
- }
- lseek(fd, 0, SEEK_SET);
- unlock_user(ptr, auxv, len);
- }
-
- return 0;
-}
-
-static int is_proc_myself(const char *filename, const char *entry)
-{
- if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
- filename += strlen("/proc/");
- if (!strncmp(filename, "self/", strlen("self/"))) {
- filename += strlen("self/");
- } else if (*filename >= '1' && *filename <= '9') {
- char myself[80];
- snprintf(myself, sizeof(myself), "%d/", getpid());
- if (!strncmp(filename, myself, strlen(myself))) {
- filename += strlen(myself);
- } else {
- return 0;
- }
- } else {
- return 0;
- }
- if (!strcmp(filename, entry)) {
- return 1;
- }
- }
- return 0;
-}
-
-#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
-static int is_proc(const char *filename, const char *entry)
-{
- return strcmp(filename, entry) == 0;
-}
-
-static int open_net_route(void *cpu_env, int fd)
-{
- FILE *fp;
- char *line = NULL;
- size_t len = 0;
- ssize_t read;
-
- fp = fopen("/proc/net/route", "r");
- if (fp == NULL) {
- return -EACCES;
- }
-
- /* read header */
-
- read = getline(&line, &len, fp);
- dprintf(fd, "%s", line);
-
- /* read routes */
-
- while ((read = getline(&line, &len, fp)) != -1) {
- char iface[16];
- uint32_t dest, gw, mask;
- unsigned int flags, refcnt, use, metric, mtu, window, irtt;
- sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
- iface, &dest, &gw, &flags, &refcnt, &use, &metric,
- &mask, &mtu, &window, &irtt);
- dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
- iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
- metric, tswap32(mask), mtu, window, irtt);
- }
-
- free(line);
- fclose(fp);
-
- return 0;
-}
-#endif
-
-static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode)
-{
- struct fake_open {
- const char *filename;
- int (*fill)(void *cpu_env, int fd);
- int (*cmp)(const char *s1, const char *s2);
- };
- const struct fake_open *fake_open;
- static const struct fake_open fakes[] = {
- { "maps", open_self_maps, is_proc_myself },
- { "stat", open_self_stat, is_proc_myself },
- { "auxv", open_self_auxv, is_proc_myself },
- { "cmdline", open_self_cmdline, is_proc_myself },
-#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
- { "/proc/net/route", open_net_route, is_proc },
-#endif
- { NULL, NULL, NULL }
- };
-
- if (is_proc_myself(pathname, "exe")) {
- int execfd = qemu_getauxval(AT_EXECFD);
- return execfd ? execfd : get_errno(sys_openat(dirfd, exec_path, flags, mode));
- }
-
- for (fake_open = fakes; fake_open->filename; fake_open++) {
- if (fake_open->cmp(pathname, fake_open->filename)) {
- break;
- }
- }
-
- if (fake_open->filename) {
- const char *tmpdir;
- char filename[PATH_MAX];
- int fd, r;
-
- /* create temporary file to map stat to */
- tmpdir = getenv("TMPDIR");
- if (!tmpdir)
- tmpdir = "/tmp";
- snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
- fd = mkstemp(filename);
- if (fd < 0) {
- return fd;
- }
- unlink(filename);
-
- if ((r = fake_open->fill(cpu_env, fd))) {
- close(fd);
- return r;
- }
- lseek(fd, 0, SEEK_SET);
-
- return fd;
- }
-
- return get_errno(sys_openat(dirfd, path(pathname), flags, mode));
-}
-
-#define TIMER_MAGIC 0x0caf0000
-#define TIMER_MAGIC_MASK 0xffff0000
-
-/* Convert QEMU provided timer ID back to internal 16bit index format */
-static target_timer_t get_timer_id(abi_long arg)
-{
- target_timer_t timerid = arg;
-
- if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) {
- return -TARGET_EINVAL;
- }
-
- timerid &= 0xffff;
-
- if (timerid >= ARRAY_SIZE(g_posix_timers)) {
- return -TARGET_EINVAL;
- }
-
- return timerid;
-}
-
-/* do_syscall() should always have a single exit point at the end so
- that actions, such as logging of syscall results, can be performed.
- All errnos that do_syscall() returns must be -TARGET_<errcode>. */
-abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
- abi_long arg2, abi_long arg3, abi_long arg4,
- abi_long arg5, abi_long arg6, abi_long arg7,
- abi_long arg8)
-{
- CPUState *cpu = ENV_GET_CPU(cpu_env);
- abi_long ret;
- struct stat st;
- struct statfs stfs;
- void *p;
-
-#ifdef DEBUG
- gemu_log("syscall %d", num);
-#endif
- if(do_strace)
- print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
-
- switch(num) {
- case TARGET_NR_exit:
- /* In old applications this may be used to implement _exit(2).
- However in threaded applictions it is used for thread termination,
- and _exit_group is used for application termination.
- Do thread termination if we have more then one thread. */
- /* FIXME: This probably breaks if a signal arrives. We should probably
- be disabling signals. */
- if (CPU_NEXT(first_cpu)) {
- TaskState *ts;
-
- cpu_list_lock();
- /* Remove the CPU from the list. */
- QTAILQ_REMOVE(&cpus, cpu, node);
- cpu_list_unlock();
- ts = cpu->opaque;
- if (ts->child_tidptr) {
- put_user_u32(0, ts->child_tidptr);
- sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
- NULL, NULL, 0);
- }
- thread_cpu = NULL;
- object_unref(OBJECT(cpu));
- g_free(ts);
- rcu_unregister_thread();
- pthread_exit(NULL);
- }
-#ifdef TARGET_GPROF
- _mcleanup();
-#endif
- gdb_exit(cpu_env, arg1);
- _exit(arg1);
- ret = 0; /* avoid warning */
- break;
- case TARGET_NR_read:
- if (arg3 == 0)
- ret = 0;
- else {
- if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
- goto efault;
- ret = get_errno(read(arg1, p, arg3));
- if (ret >= 0 &&
- fd_trans_host_to_target_data(arg1)) {
- ret = fd_trans_host_to_target_data(arg1)(p, ret);
- }
- unlock_user(p, arg2, ret);
- }
- break;
- case TARGET_NR_write:
- if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
- goto efault;
- ret = get_errno(write(arg1, p, arg3));
- unlock_user(p, arg2, 0);
- break;
-#ifdef TARGET_NR_open
- case TARGET_NR_open:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(do_openat(cpu_env, AT_FDCWD, p,
- target_to_host_bitmask(arg2, fcntl_flags_tbl),
- arg3));
- fd_trans_unregister(ret);
- unlock_user(p, arg1, 0);
- break;
-#endif
- case TARGET_NR_openat:
- if (!(p = lock_user_string(arg2)))
- goto efault;
- ret = get_errno(do_openat(cpu_env, arg1, p,
- target_to_host_bitmask(arg3, fcntl_flags_tbl),
- arg4));
- fd_trans_unregister(ret);
- unlock_user(p, arg2, 0);
- break;
-#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
- case TARGET_NR_name_to_handle_at:
- ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5);
- break;
-#endif
-#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
- case TARGET_NR_open_by_handle_at:
- ret = do_open_by_handle_at(arg1, arg2, arg3);
- fd_trans_unregister(ret);
- break;
-#endif
- case TARGET_NR_close:
- fd_trans_unregister(arg1);
- ret = get_errno(close(arg1));
- break;
- case TARGET_NR_brk:
- ret = do_brk(arg1);
- break;
-#ifdef TARGET_NR_fork
- case TARGET_NR_fork:
- ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
- break;
-#endif
-#ifdef TARGET_NR_waitpid
- case TARGET_NR_waitpid:
- {
- int status;
- ret = get_errno(waitpid(arg1, &status, arg3));
- if (!is_error(ret) && arg2 && ret
- && put_user_s32(host_to_target_waitstatus(status), arg2))
- goto efault;
- }
- break;
-#endif
-#ifdef TARGET_NR_waitid
- case TARGET_NR_waitid:
- {
- siginfo_t info;
- info.si_pid = 0;
- ret = get_errno(waitid(arg1, arg2, &info, arg4));
- if (!is_error(ret) && arg3 && info.si_pid != 0) {
- if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
- goto efault;
- host_to_target_siginfo(p, &info);
- unlock_user(p, arg3, sizeof(target_siginfo_t));
- }
- }
- break;
-#endif
-#ifdef TARGET_NR_creat /* not on alpha */
- case TARGET_NR_creat:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(creat(p, arg2));
- fd_trans_unregister(ret);
- unlock_user(p, arg1, 0);
- break;
-#endif
-#ifdef TARGET_NR_link
- case TARGET_NR_link:
- {
- void * p2;
- p = lock_user_string(arg1);
- p2 = lock_user_string(arg2);
- if (!p || !p2)
- ret = -TARGET_EFAULT;
- else
- ret = get_errno(link(p, p2));
- unlock_user(p2, arg2, 0);
- unlock_user(p, arg1, 0);
- }
- break;
-#endif
-#if defined(TARGET_NR_linkat)
- case TARGET_NR_linkat:
- {
- void * p2 = NULL;
- if (!arg2 || !arg4)
- goto efault;
- p = lock_user_string(arg2);
- p2 = lock_user_string(arg4);
- if (!p || !p2)
- ret = -TARGET_EFAULT;
- else
- ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
- unlock_user(p, arg2, 0);
- unlock_user(p2, arg4, 0);
- }
- break;
-#endif
-#ifdef TARGET_NR_unlink
- case TARGET_NR_unlink:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(unlink(p));
- unlock_user(p, arg1, 0);
- break;
-#endif
-#if defined(TARGET_NR_unlinkat)
- case TARGET_NR_unlinkat:
- if (!(p = lock_user_string(arg2)))
- goto efault;
- ret = get_errno(unlinkat(arg1, p, arg3));
- unlock_user(p, arg2, 0);
- break;
-#endif
- case TARGET_NR_execve:
- {
- char **argp, **envp;
- int argc, envc;
- abi_ulong gp;
- abi_ulong guest_argp;
- abi_ulong guest_envp;
- abi_ulong addr;
- char **q;
- int total_size = 0;
-
- argc = 0;
- guest_argp = arg2;
- for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
- if (get_user_ual(addr, gp))
- goto efault;
- if (!addr)
- break;
- argc++;
- }
- envc = 0;
- guest_envp = arg3;
- for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
- if (get_user_ual(addr, gp))
- goto efault;
- if (!addr)
- break;
- envc++;
- }
-
- argp = alloca((argc + 1) * sizeof(void *));
- envp = alloca((envc + 1) * sizeof(void *));
-
- for (gp = guest_argp, q = argp; gp;
- gp += sizeof(abi_ulong), q++) {
- if (get_user_ual(addr, gp))
- goto execve_efault;
- if (!addr)
- break;
- if (!(*q = lock_user_string(addr)))
- goto execve_efault;
- total_size += strlen(*q) + 1;
- }
- *q = NULL;
-
- for (gp = guest_envp, q = envp; gp;
- gp += sizeof(abi_ulong), q++) {
- if (get_user_ual(addr, gp))
- goto execve_efault;
- if (!addr)
- break;
- if (!(*q = lock_user_string(addr)))
- goto execve_efault;
- total_size += strlen(*q) + 1;
- }
- *q = NULL;
-
- if (!(p = lock_user_string(arg1)))
- goto execve_efault;
- ret = get_errno(execve(p, argp, envp));
- unlock_user(p, arg1, 0);
-
- goto execve_end;
-
- execve_efault:
- ret = -TARGET_EFAULT;
-
- execve_end:
- for (gp = guest_argp, q = argp; *q;
- gp += sizeof(abi_ulong), q++) {
- if (get_user_ual(addr, gp)
- || !addr)
- break;
- unlock_user(*q, addr, 0);
- }
- for (gp = guest_envp, q = envp; *q;
- gp += sizeof(abi_ulong), q++) {
- if (get_user_ual(addr, gp)
- || !addr)
- break;
- unlock_user(*q, addr, 0);
- }
- }
- break;
- case TARGET_NR_chdir:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(chdir(p));
- unlock_user(p, arg1, 0);
- break;
-#ifdef TARGET_NR_time
- case TARGET_NR_time:
- {
- time_t host_time;
- ret = get_errno(time(&host_time));
- if (!is_error(ret)
- && arg1
- && put_user_sal(host_time, arg1))
- goto efault;
- }
- break;
-#endif
-#ifdef TARGET_NR_mknod
- case TARGET_NR_mknod:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(mknod(p, arg2, arg3));
- unlock_user(p, arg1, 0);
- break;
-#endif
-#if defined(TARGET_NR_mknodat)
- case TARGET_NR_mknodat:
- if (!(p = lock_user_string(arg2)))
- goto efault;
- ret = get_errno(mknodat(arg1, p, arg3, arg4));
- unlock_user(p, arg2, 0);
- break;
-#endif
-#ifdef TARGET_NR_chmod
- case TARGET_NR_chmod:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(chmod(p, arg2));
- unlock_user(p, arg1, 0);
- break;
-#endif
-#ifdef TARGET_NR_break
- case TARGET_NR_break:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_oldstat
- case TARGET_NR_oldstat:
- goto unimplemented;
-#endif
- case TARGET_NR_lseek:
- ret = get_errno(lseek(arg1, arg2, arg3));
- break;
-#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
- /* Alpha specific */
- case TARGET_NR_getxpid:
- ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
- ret = get_errno(getpid());
- break;
-#endif
-#ifdef TARGET_NR_getpid
- case TARGET_NR_getpid:
- ret = get_errno(getpid());
- break;
-#endif
- case TARGET_NR_mount:
- {
- /* need to look at the data field */
- void *p2, *p3;
-
- if (arg1) {
- p = lock_user_string(arg1);
- if (!p) {
- goto efault;
- }
- } else {
- p = NULL;
- }
-
- p2 = lock_user_string(arg2);
- if (!p2) {
- if (arg1) {
- unlock_user(p, arg1, 0);
- }
- goto efault;
- }
-
- if (arg3) {
- p3 = lock_user_string(arg3);
- if (!p3) {
- if (arg1) {
- unlock_user(p, arg1, 0);
- }
- unlock_user(p2, arg2, 0);
- goto efault;
- }
- } else {
- p3 = NULL;
- }
-
- /* FIXME - arg5 should be locked, but it isn't clear how to
- * do that since it's not guaranteed to be a NULL-terminated
- * string.
- */
- if (!arg5) {
- ret = mount(p, p2, p3, (unsigned long)arg4, NULL);
- } else {
- ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5));
- }
- ret = get_errno(ret);
-
- if (arg1) {
- unlock_user(p, arg1, 0);
- }
- unlock_user(p2, arg2, 0);
- if (arg3) {
- unlock_user(p3, arg3, 0);
- }
- }
- break;
-#ifdef TARGET_NR_umount
- case TARGET_NR_umount:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(umount(p));
- unlock_user(p, arg1, 0);
- break;
-#endif
-#ifdef TARGET_NR_stime /* not on alpha */
- case TARGET_NR_stime:
- {
- time_t host_time;
- if (get_user_sal(host_time, arg1))
- goto efault;
- ret = get_errno(stime(&host_time));
- }
- break;
-#endif
- case TARGET_NR_ptrace:
- goto unimplemented;
-#ifdef TARGET_NR_alarm /* not on alpha */
- case TARGET_NR_alarm:
- ret = alarm(arg1);
- break;
-#endif
-#ifdef TARGET_NR_oldfstat
- case TARGET_NR_oldfstat:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_pause /* not on alpha */
- case TARGET_NR_pause:
- ret = get_errno(pause());
- break;
-#endif
-#ifdef TARGET_NR_utime
- case TARGET_NR_utime:
- {
- struct utimbuf tbuf, *host_tbuf;
- struct target_utimbuf *target_tbuf;
- if (arg2) {
- if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
- goto efault;
- tbuf.actime = tswapal(target_tbuf->actime);
- tbuf.modtime = tswapal(target_tbuf->modtime);
- unlock_user_struct(target_tbuf, arg2, 0);
- host_tbuf = &tbuf;
- } else {
- host_tbuf = NULL;
- }
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(utime(p, host_tbuf));
- unlock_user(p, arg1, 0);
- }
- break;
-#endif
-#ifdef TARGET_NR_utimes
- case TARGET_NR_utimes:
- {
- struct timeval *tvp, tv[2];
- if (arg2) {
- if (copy_from_user_timeval(&tv[0], arg2)
- || copy_from_user_timeval(&tv[1],
- arg2 + sizeof(struct target_timeval)))
- goto efault;
- tvp = tv;
- } else {
- tvp = NULL;
- }
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(utimes(p, tvp));
- unlock_user(p, arg1, 0);
- }
- break;
-#endif
-#if defined(TARGET_NR_futimesat)
- case TARGET_NR_futimesat:
- {
- struct timeval *tvp, tv[2];
- if (arg3) {
- if (copy_from_user_timeval(&tv[0], arg3)
- || copy_from_user_timeval(&tv[1],
- arg3 + sizeof(struct target_timeval)))
- goto efault;
- tvp = tv;
- } else {
- tvp = NULL;
- }
- if (!(p = lock_user_string(arg2)))
- goto efault;
- ret = get_errno(futimesat(arg1, path(p), tvp));
- unlock_user(p, arg2, 0);
- }
- break;
-#endif
-#ifdef TARGET_NR_stty
- case TARGET_NR_stty:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_gtty
- case TARGET_NR_gtty:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_access
- case TARGET_NR_access:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(access(path(p), arg2));
- unlock_user(p, arg1, 0);
- break;
-#endif
-#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
- case TARGET_NR_faccessat:
- if (!(p = lock_user_string(arg2)))
- goto efault;
- ret = get_errno(faccessat(arg1, p, arg3, 0));
- unlock_user(p, arg2, 0);
- break;
-#endif
-#ifdef TARGET_NR_nice /* not on alpha */
- case TARGET_NR_nice:
- ret = get_errno(nice(arg1));
- break;
-#endif
-#ifdef TARGET_NR_ftime
- case TARGET_NR_ftime:
- goto unimplemented;
-#endif
- case TARGET_NR_sync:
- sync();
- ret = 0;
- break;
- case TARGET_NR_kill:
- ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
- break;
-#ifdef TARGET_NR_rename
- case TARGET_NR_rename:
- {
- void *p2;
- p = lock_user_string(arg1);
- p2 = lock_user_string(arg2);
- if (!p || !p2)
- ret = -TARGET_EFAULT;
- else
- ret = get_errno(rename(p, p2));
- unlock_user(p2, arg2, 0);
- unlock_user(p, arg1, 0);
- }
- break;
-#endif
-#if defined(TARGET_NR_renameat)
- case TARGET_NR_renameat:
- {
- void *p2;
- p = lock_user_string(arg2);
- p2 = lock_user_string(arg4);
- if (!p || !p2)
- ret = -TARGET_EFAULT;
- else
- ret = get_errno(renameat(arg1, p, arg3, p2));
- unlock_user(p2, arg4, 0);
- unlock_user(p, arg2, 0);
- }
- break;
-#endif
-#ifdef TARGET_NR_mkdir
- case TARGET_NR_mkdir:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(mkdir(p, arg2));
- unlock_user(p, arg1, 0);
- break;
-#endif
-#if defined(TARGET_NR_mkdirat)
- case TARGET_NR_mkdirat:
- if (!(p = lock_user_string(arg2)))
- goto efault;
- ret = get_errno(mkdirat(arg1, p, arg3));
- unlock_user(p, arg2, 0);
- break;
-#endif
-#ifdef TARGET_NR_rmdir
- case TARGET_NR_rmdir:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(rmdir(p));
- unlock_user(p, arg1, 0);
- break;
-#endif
- case TARGET_NR_dup:
- ret = get_errno(dup(arg1));
- if (ret >= 0) {
- fd_trans_dup(arg1, ret);
- }
- break;
-#ifdef TARGET_NR_pipe
- case TARGET_NR_pipe:
- ret = do_pipe(cpu_env, arg1, 0, 0);
- break;
-#endif
-#ifdef TARGET_NR_pipe2
- case TARGET_NR_pipe2:
- ret = do_pipe(cpu_env, arg1,
- target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
- break;
-#endif
- case TARGET_NR_times:
- {
- struct target_tms *tmsp;
- struct tms tms;
- ret = get_errno(times(&tms));
- if (arg1) {
- tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
- if (!tmsp)
- goto efault;
- tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
- tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
- tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
- tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
- }
- if (!is_error(ret))
- ret = host_to_target_clock_t(ret);
- }
- break;
-#ifdef TARGET_NR_prof
- case TARGET_NR_prof:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_signal
- case TARGET_NR_signal:
- goto unimplemented;
-#endif
- case TARGET_NR_acct:
- if (arg1 == 0) {
- ret = get_errno(acct(NULL));
- } else {
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(acct(path(p)));
- unlock_user(p, arg1, 0);
- }
- break;
-#ifdef TARGET_NR_umount2
- case TARGET_NR_umount2:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(umount2(p, arg2));
- unlock_user(p, arg1, 0);
- break;
-#endif
-#ifdef TARGET_NR_lock
- case TARGET_NR_lock:
- goto unimplemented;
-#endif
- case TARGET_NR_ioctl:
- ret = do_ioctl(arg1, arg2, arg3);
- break;
- case TARGET_NR_fcntl:
- ret = do_fcntl(arg1, arg2, arg3);
- break;
-#ifdef TARGET_NR_mpx
- case TARGET_NR_mpx:
- goto unimplemented;
-#endif
- case TARGET_NR_setpgid:
- ret = get_errno(setpgid(arg1, arg2));
- break;
-#ifdef TARGET_NR_ulimit
- case TARGET_NR_ulimit:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_oldolduname
- case TARGET_NR_oldolduname:
- goto unimplemented;
-#endif
- case TARGET_NR_umask:
- ret = get_errno(umask(arg1));
- break;
- case TARGET_NR_chroot:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(chroot(p));
- unlock_user(p, arg1, 0);
- break;
-#ifdef TARGET_NR_ustat
- case TARGET_NR_ustat:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_dup2
- case TARGET_NR_dup2:
- ret = get_errno(dup2(arg1, arg2));
- if (ret >= 0) {
- fd_trans_dup(arg1, arg2);
- }
- break;
-#endif
-#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
- case TARGET_NR_dup3:
- ret = get_errno(dup3(arg1, arg2, arg3));
- if (ret >= 0) {
- fd_trans_dup(arg1, arg2);
- }
- break;
-#endif
-#ifdef TARGET_NR_getppid /* not on alpha */
- case TARGET_NR_getppid:
- ret = get_errno(getppid());
- break;
-#endif
-#ifdef TARGET_NR_getpgrp
- case TARGET_NR_getpgrp:
- ret = get_errno(getpgrp());
- break;
-#endif
- case TARGET_NR_setsid:
- ret = get_errno(setsid());
- break;
-#ifdef TARGET_NR_sigaction
- case TARGET_NR_sigaction:
- {
-#if defined(TARGET_ALPHA)
- struct target_sigaction act, oact, *pact = 0;
- struct target_old_sigaction *old_act;
- if (arg2) {
- if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
- goto efault;
- act._sa_handler = old_act->_sa_handler;
- target_siginitset(&act.sa_mask, old_act->sa_mask);
- act.sa_flags = old_act->sa_flags;
- act.sa_restorer = 0;
- unlock_user_struct(old_act, arg2, 0);
- pact = &act;
- }
- ret = get_errno(do_sigaction(arg1, pact, &oact));
- if (!is_error(ret) && arg3) {
- if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
- goto efault;
- old_act->_sa_handler = oact._sa_handler;
- old_act->sa_mask = oact.sa_mask.sig[0];
- old_act->sa_flags = oact.sa_flags;
- unlock_user_struct(old_act, arg3, 1);
- }
-#elif defined(TARGET_MIPS)
- struct target_sigaction act, oact, *pact, *old_act;
-
- if (arg2) {
- if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
- goto efault;
- act._sa_handler = old_act->_sa_handler;
- target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
- act.sa_flags = old_act->sa_flags;
- unlock_user_struct(old_act, arg2, 0);
- pact = &act;
- } else {
- pact = NULL;
- }
-
- ret = get_errno(do_sigaction(arg1, pact, &oact));
-
- if (!is_error(ret) && arg3) {
- if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
- goto efault;
- old_act->_sa_handler = oact._sa_handler;
- old_act->sa_flags = oact.sa_flags;
- old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
- old_act->sa_mask.sig[1] = 0;
- old_act->sa_mask.sig[2] = 0;
- old_act->sa_mask.sig[3] = 0;
- unlock_user_struct(old_act, arg3, 1);
- }
-#else
- struct target_old_sigaction *old_act;
- struct target_sigaction act, oact, *pact;
- if (arg2) {
- if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
- goto efault;
- act._sa_handler = old_act->_sa_handler;
- target_siginitset(&act.sa_mask, old_act->sa_mask);
- act.sa_flags = old_act->sa_flags;
- act.sa_restorer = old_act->sa_restorer;
- unlock_user_struct(old_act, arg2, 0);
- pact = &act;
- } else {
- pact = NULL;
- }
- ret = get_errno(do_sigaction(arg1, pact, &oact));
- if (!is_error(ret) && arg3) {
- if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
- goto efault;
- old_act->_sa_handler = oact._sa_handler;
- old_act->sa_mask = oact.sa_mask.sig[0];
- old_act->sa_flags = oact.sa_flags;
- old_act->sa_restorer = oact.sa_restorer;
- unlock_user_struct(old_act, arg3, 1);
- }
-#endif
- }
- break;
-#endif
- case TARGET_NR_rt_sigaction:
- {
-#if defined(TARGET_ALPHA)
- struct target_sigaction act, oact, *pact = 0;
- struct target_rt_sigaction *rt_act;
- /* ??? arg4 == sizeof(sigset_t). */
- if (arg2) {
- if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
- goto efault;
- act._sa_handler = rt_act->_sa_handler;
- act.sa_mask = rt_act->sa_mask;
- act.sa_flags = rt_act->sa_flags;
- act.sa_restorer = arg5;
- unlock_user_struct(rt_act, arg2, 0);
- pact = &act;
- }
- ret = get_errno(do_sigaction(arg1, pact, &oact));
- if (!is_error(ret) && arg3) {
- if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
- goto efault;
- rt_act->_sa_handler = oact._sa_handler;
- rt_act->sa_mask = oact.sa_mask;
- rt_act->sa_flags = oact.sa_flags;
- unlock_user_struct(rt_act, arg3, 1);
- }
-#else
- struct target_sigaction *act;
- struct target_sigaction *oact;
-
- if (arg2) {
- if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
- goto efault;
- } else
- act = NULL;
- if (arg3) {
- if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
- ret = -TARGET_EFAULT;
- goto rt_sigaction_fail;
- }
- } else
- oact = NULL;
- ret = get_errno(do_sigaction(arg1, act, oact));
- rt_sigaction_fail:
- if (act)
- unlock_user_struct(act, arg2, 0);
- if (oact)
- unlock_user_struct(oact, arg3, 1);
-#endif
- }
- break;
-#ifdef TARGET_NR_sgetmask /* not on alpha */
- case TARGET_NR_sgetmask:
- {
- sigset_t cur_set;
- abi_ulong target_set;
- do_sigprocmask(0, NULL, &cur_set);
- host_to_target_old_sigset(&target_set, &cur_set);
- ret = target_set;
- }
- break;
-#endif
-#ifdef TARGET_NR_ssetmask /* not on alpha */
- case TARGET_NR_ssetmask:
- {
- sigset_t set, oset, cur_set;
- abi_ulong target_set = arg1;
- do_sigprocmask(0, NULL, &cur_set);
- target_to_host_old_sigset(&set, &target_set);
- sigorset(&set, &set, &cur_set);
- do_sigprocmask(SIG_SETMASK, &set, &oset);
- host_to_target_old_sigset(&target_set, &oset);
- ret = target_set;
- }
- break;
-#endif
-#ifdef TARGET_NR_sigprocmask
- case TARGET_NR_sigprocmask:
- {
-#if defined(TARGET_ALPHA)
- sigset_t set, oldset;
- abi_ulong mask;
- int how;
-
- switch (arg1) {
- case TARGET_SIG_BLOCK:
- how = SIG_BLOCK;
- break;
- case TARGET_SIG_UNBLOCK:
- how = SIG_UNBLOCK;
- break;
- case TARGET_SIG_SETMASK:
- how = SIG_SETMASK;
- break;
- default:
- ret = -TARGET_EINVAL;
- goto fail;
- }
- mask = arg2;
- target_to_host_old_sigset(&set, &mask);
-
- ret = get_errno(do_sigprocmask(how, &set, &oldset));
- if (!is_error(ret)) {
- host_to_target_old_sigset(&mask, &oldset);
- ret = mask;
- ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */
- }
-#else
- sigset_t set, oldset, *set_ptr;
- int how;
-
- if (arg2) {
- switch (arg1) {
- case TARGET_SIG_BLOCK:
- how = SIG_BLOCK;
- break;
- case TARGET_SIG_UNBLOCK:
- how = SIG_UNBLOCK;
- break;
- case TARGET_SIG_SETMASK:
- how = SIG_SETMASK;
- break;
- default:
- ret = -TARGET_EINVAL;
- goto fail;
- }
- if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
- goto efault;
- target_to_host_old_sigset(&set, p);
- unlock_user(p, arg2, 0);
- set_ptr = &set;
- } else {
- how = 0;
- set_ptr = NULL;
- }
- ret = get_errno(do_sigprocmask(how, set_ptr, &oldset));
- if (!is_error(ret) && arg3) {
- if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
- goto efault;
- host_to_target_old_sigset(p, &oldset);
- unlock_user(p, arg3, sizeof(target_sigset_t));
- }
-#endif
- }
- break;
-#endif
- case TARGET_NR_rt_sigprocmask:
- {
- int how = arg1;
- sigset_t set, oldset, *set_ptr;
-
- if (arg2) {
- switch(how) {
- case TARGET_SIG_BLOCK:
- how = SIG_BLOCK;
- break;
- case TARGET_SIG_UNBLOCK:
- how = SIG_UNBLOCK;
- break;
- case TARGET_SIG_SETMASK:
- how = SIG_SETMASK;
- break;
- default:
- ret = -TARGET_EINVAL;
- goto fail;
- }
- if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
- goto efault;
- target_to_host_sigset(&set, p);
- unlock_user(p, arg2, 0);
- set_ptr = &set;
- } else {
- how = 0;
- set_ptr = NULL;
- }
- ret = get_errno(do_sigprocmask(how, set_ptr, &oldset));
- if (!is_error(ret) && arg3) {
- if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
- goto efault;
- host_to_target_sigset(p, &oldset);
- unlock_user(p, arg3, sizeof(target_sigset_t));
- }
- }
- break;
-#ifdef TARGET_NR_sigpending
- case TARGET_NR_sigpending:
- {
- sigset_t set;
- ret = get_errno(sigpending(&set));
- if (!is_error(ret)) {
- if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
- goto efault;
- host_to_target_old_sigset(p, &set);
- unlock_user(p, arg1, sizeof(target_sigset_t));
- }
- }
- break;
-#endif
- case TARGET_NR_rt_sigpending:
- {
- sigset_t set;
- ret = get_errno(sigpending(&set));
- if (!is_error(ret)) {
- if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
- goto efault;
- host_to_target_sigset(p, &set);
- unlock_user(p, arg1, sizeof(target_sigset_t));
- }
- }
- break;
-#ifdef TARGET_NR_sigsuspend
- case TARGET_NR_sigsuspend:
- {
- sigset_t set;
-#if defined(TARGET_ALPHA)
- abi_ulong mask = arg1;
- target_to_host_old_sigset(&set, &mask);
-#else
- if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
- goto efault;
- target_to_host_old_sigset(&set, p);
- unlock_user(p, arg1, 0);
-#endif
- ret = get_errno(sigsuspend(&set));
- }
- break;
-#endif
- case TARGET_NR_rt_sigsuspend:
- {
- sigset_t set;
- if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
- goto efault;
- target_to_host_sigset(&set, p);
- unlock_user(p, arg1, 0);
- ret = get_errno(sigsuspend(&set));
- }
- break;
- case TARGET_NR_rt_sigtimedwait:
- {
- sigset_t set;
- struct timespec uts, *puts;
- siginfo_t uinfo;
-
- if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
- goto efault;
- target_to_host_sigset(&set, p);
- unlock_user(p, arg1, 0);
- if (arg3) {
- puts = &uts;
- target_to_host_timespec(puts, arg3);
- } else {
- puts = NULL;
- }
- ret = get_errno(sigtimedwait(&set, &uinfo, puts));
- if (!is_error(ret)) {
- if (arg2) {
- p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
- 0);
- if (!p) {
- goto efault;
- }
- host_to_target_siginfo(p, &uinfo);
- unlock_user(p, arg2, sizeof(target_siginfo_t));
- }
- ret = host_to_target_signal(ret);
- }
- }
- break;
- case TARGET_NR_rt_sigqueueinfo:
- {
- siginfo_t uinfo;
- if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
- goto efault;
- target_to_host_siginfo(&uinfo, p);
- unlock_user(p, arg1, 0);
- ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
- }
- break;
-#ifdef TARGET_NR_sigreturn
- case TARGET_NR_sigreturn:
- /* NOTE: ret is eax, so not transcoding must be done */
- ret = do_sigreturn(cpu_env);
- break;
-#endif
- case TARGET_NR_rt_sigreturn:
- /* NOTE: ret is eax, so not transcoding must be done */
- ret = do_rt_sigreturn(cpu_env);
- break;
- case TARGET_NR_sethostname:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(sethostname(p, arg2));
- unlock_user(p, arg1, 0);
- break;
- case TARGET_NR_setrlimit:
- {
- int resource = target_to_host_resource(arg1);
- struct target_rlimit *target_rlim;
- struct rlimit rlim;
- if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
- goto efault;
- rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
- rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
- unlock_user_struct(target_rlim, arg2, 0);
- ret = get_errno(setrlimit(resource, &rlim));
- }
- break;
- case TARGET_NR_getrlimit:
- {
- int resource = target_to_host_resource(arg1);
- struct target_rlimit *target_rlim;
- struct rlimit rlim;
-
- ret = get_errno(getrlimit(resource, &rlim));
- if (!is_error(ret)) {
- if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
- goto efault;
- target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
- target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
- unlock_user_struct(target_rlim, arg2, 1);
- }
- }
- break;
- case TARGET_NR_getrusage:
- {
- struct rusage rusage;
- ret = get_errno(getrusage(arg1, &rusage));
- if (!is_error(ret)) {
- ret = host_to_target_rusage(arg2, &rusage);
- }
- }
- break;
- case TARGET_NR_gettimeofday:
- {
- struct timeval tv;
- ret = get_errno(gettimeofday(&tv, NULL));
- if (!is_error(ret)) {
- if (copy_to_user_timeval(arg1, &tv))
- goto efault;
- }
- }
- break;
- case TARGET_NR_settimeofday:
- {
- struct timeval tv, *ptv = NULL;
- struct timezone tz, *ptz = NULL;
-
- if (arg1) {
- if (copy_from_user_timeval(&tv, arg1)) {
- goto efault;
- }
- ptv = &tv;
- }
-
- if (arg2) {
- if (copy_from_user_timezone(&tz, arg2)) {
- goto efault;
- }
- ptz = &tz;
- }
-
- ret = get_errno(settimeofday(ptv, ptz));
- }
- break;
-#if defined(TARGET_NR_select)
- case TARGET_NR_select:
-#if defined(TARGET_S390X) || defined(TARGET_ALPHA)
- ret = do_select(arg1, arg2, arg3, arg4, arg5);
-#else
- {
- struct target_sel_arg_struct *sel;
- abi_ulong inp, outp, exp, tvp;
- long nsel;
-
- if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
- goto efault;
- nsel = tswapal(sel->n);
- inp = tswapal(sel->inp);
- outp = tswapal(sel->outp);
- exp = tswapal(sel->exp);
- tvp = tswapal(sel->tvp);
- unlock_user_struct(sel, arg1, 0);
- ret = do_select(nsel, inp, outp, exp, tvp);
- }
-#endif
- break;
-#endif
-#ifdef TARGET_NR_pselect6
- case TARGET_NR_pselect6:
- {
- abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
- fd_set rfds, wfds, efds;
- fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
- struct timespec ts, *ts_ptr;
-
- /*
- * The 6th arg is actually two args smashed together,
- * so we cannot use the C library.
- */
- sigset_t set;
- struct {
- sigset_t *set;
- size_t size;
- } sig, *sig_ptr;
-
- abi_ulong arg_sigset, arg_sigsize, *arg7;
- target_sigset_t *target_sigset;
-
- n = arg1;
- rfd_addr = arg2;
- wfd_addr = arg3;
- efd_addr = arg4;
- ts_addr = arg5;
-
- ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
- if (ret) {
- goto fail;
- }
- ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
- if (ret) {
- goto fail;
- }
- ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
- if (ret) {
- goto fail;
- }
-
- /*
- * This takes a timespec, and not a timeval, so we cannot
- * use the do_select() helper ...
- */
- if (ts_addr) {
- if (target_to_host_timespec(&ts, ts_addr)) {
- goto efault;
- }
- ts_ptr = &ts;
- } else {
- ts_ptr = NULL;
- }
-
- /* Extract the two packed args for the sigset */
- if (arg6) {
- sig_ptr = &sig;
- sig.size = _NSIG / 8;
-
- arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
- if (!arg7) {
- goto efault;
- }
- arg_sigset = tswapal(arg7[0]);
- arg_sigsize = tswapal(arg7[1]);
- unlock_user(arg7, arg6, 0);
-
- if (arg_sigset) {
- sig.set = &set;
- if (arg_sigsize != sizeof(*target_sigset)) {
- /* Like the kernel, we enforce correct size sigsets */
- ret = -TARGET_EINVAL;
- goto fail;
- }
- target_sigset = lock_user(VERIFY_READ, arg_sigset,
- sizeof(*target_sigset), 1);
- if (!target_sigset) {
- goto efault;
- }
- target_to_host_sigset(&set, target_sigset);
- unlock_user(target_sigset, arg_sigset, 0);
- } else {
- sig.set = NULL;
- }
- } else {
- sig_ptr = NULL;
- }
-
- ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
- ts_ptr, sig_ptr));
-
- if (!is_error(ret)) {
- if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
- goto efault;
- if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
- goto efault;
- if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
- goto efault;
-
- if (ts_addr && host_to_target_timespec(ts_addr, &ts))
- goto efault;
- }
- }
- break;
-#endif
-#ifdef TARGET_NR_symlink
- case TARGET_NR_symlink:
- {
- void *p2;
- p = lock_user_string(arg1);
- p2 = lock_user_string(arg2);
- if (!p || !p2)
- ret = -TARGET_EFAULT;
- else
- ret = get_errno(symlink(p, p2));
- unlock_user(p2, arg2, 0);
- unlock_user(p, arg1, 0);
- }
- break;
-#endif
-#if defined(TARGET_NR_symlinkat)
- case TARGET_NR_symlinkat:
- {
- void *p2;
- p = lock_user_string(arg1);
- p2 = lock_user_string(arg3);
- if (!p || !p2)
- ret = -TARGET_EFAULT;
- else
- ret = get_errno(symlinkat(p, arg2, p2));
- unlock_user(p2, arg3, 0);
- unlock_user(p, arg1, 0);
- }
- break;
-#endif
-#ifdef TARGET_NR_oldlstat
- case TARGET_NR_oldlstat:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_readlink
- case TARGET_NR_readlink:
- {
- void *p2;
- p = lock_user_string(arg1);
- p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
- if (!p || !p2) {
- ret = -TARGET_EFAULT;
- } else if (!arg3) {
- /* Short circuit this for the magic exe check. */
- ret = -TARGET_EINVAL;
- } else if (is_proc_myself((const char *)p, "exe")) {
- char real[PATH_MAX], *temp;
- temp = realpath(exec_path, real);
- /* Return value is # of bytes that we wrote to the buffer. */
- if (temp == NULL) {
- ret = get_errno(-1);
- } else {
- /* Don't worry about sign mismatch as earlier mapping
- * logic would have thrown a bad address error. */
- ret = MIN(strlen(real), arg3);
- /* We cannot NUL terminate the string. */
- memcpy(p2, real, ret);
- }
- } else {
- ret = get_errno(readlink(path(p), p2, arg3));
- }
- unlock_user(p2, arg2, ret);
- unlock_user(p, arg1, 0);
- }
- break;
-#endif
-#if defined(TARGET_NR_readlinkat)
- case TARGET_NR_readlinkat:
- {
- void *p2;
- p = lock_user_string(arg2);
- p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
- if (!p || !p2) {
- ret = -TARGET_EFAULT;
- } else if (is_proc_myself((const char *)p, "exe")) {
- char real[PATH_MAX], *temp;
- temp = realpath(exec_path, real);
- ret = temp == NULL ? get_errno(-1) : strlen(real) ;
- snprintf((char *)p2, arg4, "%s", real);
- } else {
- ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
- }
- unlock_user(p2, arg3, ret);
- unlock_user(p, arg2, 0);
- }
- break;
-#endif
-#ifdef TARGET_NR_uselib
- case TARGET_NR_uselib:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_swapon
- case TARGET_NR_swapon:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(swapon(p, arg2));
- unlock_user(p, arg1, 0);
- break;
-#endif
- case TARGET_NR_reboot:
- if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
- /* arg4 must be ignored in all other cases */
- p = lock_user_string(arg4);
- if (!p) {
- goto efault;
- }
- ret = get_errno(reboot(arg1, arg2, arg3, p));
- unlock_user(p, arg4, 0);
- } else {
- ret = get_errno(reboot(arg1, arg2, arg3, NULL));
- }
- break;
-#ifdef TARGET_NR_readdir
- case TARGET_NR_readdir:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_mmap
- case TARGET_NR_mmap:
-#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
- (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
- defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
- || defined(TARGET_S390X)
- {
- abi_ulong *v;
- abi_ulong v1, v2, v3, v4, v5, v6;
- if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
- goto efault;
- v1 = tswapal(v[0]);
- v2 = tswapal(v[1]);
- v3 = tswapal(v[2]);
- v4 = tswapal(v[3]);
- v5 = tswapal(v[4]);
- v6 = tswapal(v[5]);
- unlock_user(v, arg1, 0);
- ret = get_errno(target_mmap(v1, v2, v3,
- target_to_host_bitmask(v4, mmap_flags_tbl),
- v5, v6));
- }
-#else
- ret = get_errno(target_mmap(arg1, arg2, arg3,
- target_to_host_bitmask(arg4, mmap_flags_tbl),
- arg5,
- arg6));
-#endif
- break;
-#endif
-#ifdef TARGET_NR_mmap2
- case TARGET_NR_mmap2:
-#ifndef MMAP_SHIFT
-#define MMAP_SHIFT 12
-#endif
- ret = get_errno(target_mmap(arg1, arg2, arg3,
- target_to_host_bitmask(arg4, mmap_flags_tbl),
- arg5,
- arg6 << MMAP_SHIFT));
- break;
-#endif
- case TARGET_NR_munmap:
- ret = get_errno(target_munmap(arg1, arg2));
- break;
- case TARGET_NR_mprotect:
- {
- TaskState *ts = cpu->opaque;
- /* Special hack to detect libc making the stack executable. */
- if ((arg3 & PROT_GROWSDOWN)
- && arg1 >= ts->info->stack_limit
- && arg1 <= ts->info->start_stack) {
- arg3 &= ~PROT_GROWSDOWN;
- arg2 = arg2 + arg1 - ts->info->stack_limit;
- arg1 = ts->info->stack_limit;
- }
- }
- ret = get_errno(target_mprotect(arg1, arg2, arg3));
- break;
-#ifdef TARGET_NR_mremap
- case TARGET_NR_mremap:
- ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
- break;
-#endif
- /* ??? msync/mlock/munlock are broken for softmmu. */
-#ifdef TARGET_NR_msync
- case TARGET_NR_msync:
- ret = get_errno(msync(g2h(arg1), arg2, arg3));
- break;
-#endif
-#ifdef TARGET_NR_mlock
- case TARGET_NR_mlock:
- ret = get_errno(mlock(g2h(arg1), arg2));
- break;
-#endif
-#ifdef TARGET_NR_munlock
- case TARGET_NR_munlock:
- ret = get_errno(munlock(g2h(arg1), arg2));
- break;
-#endif
-#ifdef TARGET_NR_mlockall
- case TARGET_NR_mlockall:
- ret = get_errno(mlockall(target_to_host_mlockall_arg(arg1)));
- break;
-#endif
-#ifdef TARGET_NR_munlockall
- case TARGET_NR_munlockall:
- ret = get_errno(munlockall());
- break;
-#endif
- case TARGET_NR_truncate:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(truncate(p, arg2));
- unlock_user(p, arg1, 0);
- break;
- case TARGET_NR_ftruncate:
- ret = get_errno(ftruncate(arg1, arg2));
- break;
- case TARGET_NR_fchmod:
- ret = get_errno(fchmod(arg1, arg2));
- break;
-#if defined(TARGET_NR_fchmodat)
- case TARGET_NR_fchmodat:
- if (!(p = lock_user_string(arg2)))
- goto efault;
- ret = get_errno(fchmodat(arg1, p, arg3, 0));
- unlock_user(p, arg2, 0);
- break;
-#endif
- case TARGET_NR_getpriority:
- /* Note that negative values are valid for getpriority, so we must
- differentiate based on errno settings. */
- errno = 0;
- ret = getpriority(arg1, arg2);
- if (ret == -1 && errno != 0) {
- ret = -host_to_target_errno(errno);
- break;
- }
-#ifdef TARGET_ALPHA
- /* Return value is the unbiased priority. Signal no error. */
- ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
-#else
- /* Return value is a biased priority to avoid negative numbers. */
- ret = 20 - ret;
-#endif
- break;
- case TARGET_NR_setpriority:
- ret = get_errno(setpriority(arg1, arg2, arg3));
- break;
-#ifdef TARGET_NR_profil
- case TARGET_NR_profil:
- goto unimplemented;
-#endif
- case TARGET_NR_statfs:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(statfs(path(p), &stfs));
- unlock_user(p, arg1, 0);
- convert_statfs:
- if (!is_error(ret)) {
- struct target_statfs *target_stfs;
-
- if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
- goto efault;
- __put_user(stfs.f_type, &target_stfs->f_type);
- __put_user(stfs.f_bsize, &target_stfs->f_bsize);
- __put_user(stfs.f_blocks, &target_stfs->f_blocks);
- __put_user(stfs.f_bfree, &target_stfs->f_bfree);
- __put_user(stfs.f_bavail, &target_stfs->f_bavail);
- __put_user(stfs.f_files, &target_stfs->f_files);
- __put_user(stfs.f_ffree, &target_stfs->f_ffree);
- __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
- __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
- __put_user(stfs.f_namelen, &target_stfs->f_namelen);
- __put_user(stfs.f_frsize, &target_stfs->f_frsize);
- memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
- unlock_user_struct(target_stfs, arg2, 1);
- }
- break;
- case TARGET_NR_fstatfs:
- ret = get_errno(fstatfs(arg1, &stfs));
- goto convert_statfs;
-#ifdef TARGET_NR_statfs64
- case TARGET_NR_statfs64:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(statfs(path(p), &stfs));
- unlock_user(p, arg1, 0);
- convert_statfs64:
- if (!is_error(ret)) {
- struct target_statfs64 *target_stfs;
-
- if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
- goto efault;
- __put_user(stfs.f_type, &target_stfs->f_type);
- __put_user(stfs.f_bsize, &target_stfs->f_bsize);
- __put_user(stfs.f_blocks, &target_stfs->f_blocks);
- __put_user(stfs.f_bfree, &target_stfs->f_bfree);
- __put_user(stfs.f_bavail, &target_stfs->f_bavail);
- __put_user(stfs.f_files, &target_stfs->f_files);
- __put_user(stfs.f_ffree, &target_stfs->f_ffree);
- __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
- __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
- __put_user(stfs.f_namelen, &target_stfs->f_namelen);
- __put_user(stfs.f_frsize, &target_stfs->f_frsize);
- memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
- unlock_user_struct(target_stfs, arg3, 1);
- }
- break;
- case TARGET_NR_fstatfs64:
- ret = get_errno(fstatfs(arg1, &stfs));
- goto convert_statfs64;
-#endif
-#ifdef TARGET_NR_ioperm
- case TARGET_NR_ioperm:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_socketcall
- case TARGET_NR_socketcall:
- ret = do_socketcall(arg1, arg2);
- break;
-#endif
-#ifdef TARGET_NR_accept
- case TARGET_NR_accept:
- ret = do_accept4(arg1, arg2, arg3, 0);
- break;
-#endif
-#ifdef TARGET_NR_accept4
- case TARGET_NR_accept4:
-#ifdef CONFIG_ACCEPT4
- ret = do_accept4(arg1, arg2, arg3, arg4);
-#else
- goto unimplemented;
-#endif
- break;
-#endif
-#ifdef TARGET_NR_bind
- case TARGET_NR_bind:
- ret = do_bind(arg1, arg2, arg3);
- break;
-#endif
-#ifdef TARGET_NR_connect
- case TARGET_NR_connect:
- ret = do_connect(arg1, arg2, arg3);
- break;
-#endif
-#ifdef TARGET_NR_getpeername
- case TARGET_NR_getpeername:
- ret = do_getpeername(arg1, arg2, arg3);
- break;
-#endif
-#ifdef TARGET_NR_getsockname
- case TARGET_NR_getsockname:
- ret = do_getsockname(arg1, arg2, arg3);
- break;
-#endif
-#ifdef TARGET_NR_getsockopt
- case TARGET_NR_getsockopt:
- ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
- break;
-#endif
-#ifdef TARGET_NR_listen
- case TARGET_NR_listen:
- ret = get_errno(listen(arg1, arg2));
- break;
-#endif
-#ifdef TARGET_NR_recv
- case TARGET_NR_recv:
- ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
- break;
-#endif
-#ifdef TARGET_NR_recvfrom
- case TARGET_NR_recvfrom:
- ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
- break;
-#endif
-#ifdef TARGET_NR_recvmsg
- case TARGET_NR_recvmsg:
- ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
- break;
-#endif
-#ifdef TARGET_NR_send
- case TARGET_NR_send:
- ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
- break;
-#endif
-#ifdef TARGET_NR_sendmsg
- case TARGET_NR_sendmsg:
- ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
- break;
-#endif
-#ifdef TARGET_NR_sendmmsg
- case TARGET_NR_sendmmsg:
- ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
- break;
- case TARGET_NR_recvmmsg:
- ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
- break;
-#endif
-#ifdef TARGET_NR_sendto
- case TARGET_NR_sendto:
- ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
- break;
-#endif
-#ifdef TARGET_NR_shutdown
- case TARGET_NR_shutdown:
- ret = get_errno(shutdown(arg1, arg2));
- break;
-#endif
-#if defined(TARGET_NR_getrandom) && defined(__NR_getrandom)
- case TARGET_NR_getrandom:
- p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
- if (!p) {
- goto efault;
- }
- ret = get_errno(getrandom(p, arg2, arg3));
- unlock_user(p, arg1, ret);
- break;
-#endif
-#ifdef TARGET_NR_socket
- case TARGET_NR_socket:
- ret = do_socket(arg1, arg2, arg3);
- fd_trans_unregister(ret);
- break;
-#endif
-#ifdef TARGET_NR_socketpair
- case TARGET_NR_socketpair:
- ret = do_socketpair(arg1, arg2, arg3, arg4);
- break;
-#endif
-#ifdef TARGET_NR_setsockopt
- case TARGET_NR_setsockopt:
- ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
- break;
-#endif
-
- case TARGET_NR_syslog:
- if (!(p = lock_user_string(arg2)))
- goto efault;
- ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
- unlock_user(p, arg2, 0);
- break;
-
- case TARGET_NR_setitimer:
- {
- struct itimerval value, ovalue, *pvalue;
-
- if (arg2) {
- pvalue = &value;
- if (copy_from_user_timeval(&pvalue->it_interval, arg2)
- || copy_from_user_timeval(&pvalue->it_value,
- arg2 + sizeof(struct target_timeval)))
- goto efault;
- } else {
- pvalue = NULL;
- }
- ret = get_errno(setitimer(arg1, pvalue, &ovalue));
- if (!is_error(ret) && arg3) {
- if (copy_to_user_timeval(arg3,
- &ovalue.it_interval)
- || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
- &ovalue.it_value))
- goto efault;
- }
- }
- break;
- case TARGET_NR_getitimer:
- {
- struct itimerval value;
-
- ret = get_errno(getitimer(arg1, &value));
- if (!is_error(ret) && arg2) {
- if (copy_to_user_timeval(arg2,
- &value.it_interval)
- || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
- &value.it_value))
- goto efault;
- }
- }
- break;
-#ifdef TARGET_NR_stat
- case TARGET_NR_stat:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(stat(path(p), &st));
- unlock_user(p, arg1, 0);
- goto do_stat;
-#endif
-#ifdef TARGET_NR_lstat
- case TARGET_NR_lstat:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(lstat(path(p), &st));
- unlock_user(p, arg1, 0);
- goto do_stat;
-#endif
- case TARGET_NR_fstat:
- {
- ret = get_errno(fstat(arg1, &st));
-#if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
- do_stat:
-#endif
- if (!is_error(ret)) {
- struct target_stat *target_st;
-
- if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
- goto efault;
- memset(target_st, 0, sizeof(*target_st));
- __put_user(st.st_dev, &target_st->st_dev);
- __put_user(st.st_ino, &target_st->st_ino);
- __put_user(st.st_mode, &target_st->st_mode);
- __put_user(st.st_uid, &target_st->st_uid);
- __put_user(st.st_gid, &target_st->st_gid);
- __put_user(st.st_nlink, &target_st->st_nlink);
- __put_user(st.st_rdev, &target_st->st_rdev);
- __put_user(st.st_size, &target_st->st_size);
- __put_user(st.st_blksize, &target_st->st_blksize);
- __put_user(st.st_blocks, &target_st->st_blocks);
- __put_user(st.st_atime, &target_st->target_st_atime);
- __put_user(st.st_mtime, &target_st->target_st_mtime);
- __put_user(st.st_ctime, &target_st->target_st_ctime);
- unlock_user_struct(target_st, arg2, 1);
- }
- }
- break;
-#ifdef TARGET_NR_olduname
- case TARGET_NR_olduname:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_iopl
- case TARGET_NR_iopl:
- goto unimplemented;
-#endif
- case TARGET_NR_vhangup:
- ret = get_errno(vhangup());
- break;
-#ifdef TARGET_NR_idle
- case TARGET_NR_idle:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_syscall
- case TARGET_NR_syscall:
- ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
- arg6, arg7, arg8, 0);
- break;
-#endif
- case TARGET_NR_wait4:
- {
- int status;
- abi_long status_ptr = arg2;
- struct rusage rusage, *rusage_ptr;
- abi_ulong target_rusage = arg4;
- abi_long rusage_err;
- if (target_rusage)
- rusage_ptr = &rusage;
- else
- rusage_ptr = NULL;
- ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
- if (!is_error(ret)) {
- if (status_ptr && ret) {
- status = host_to_target_waitstatus(status);
- if (put_user_s32(status, status_ptr))
- goto efault;
- }
- if (target_rusage) {
- rusage_err = host_to_target_rusage(target_rusage, &rusage);
- if (rusage_err) {
- ret = rusage_err;
- }
- }
- }
- }
- break;
-#ifdef TARGET_NR_swapoff
- case TARGET_NR_swapoff:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(swapoff(p));
- unlock_user(p, arg1, 0);
- break;
-#endif
- case TARGET_NR_sysinfo:
- {
- struct target_sysinfo *target_value;
- struct sysinfo value;
- ret = get_errno(sysinfo(&value));
- if (!is_error(ret) && arg1)
- {
- if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
- goto efault;
- __put_user(value.uptime, &target_value->uptime);
- __put_user(value.loads[0], &target_value->loads[0]);
- __put_user(value.loads[1], &target_value->loads[1]);
- __put_user(value.loads[2], &target_value->loads[2]);
- __put_user(value.totalram, &target_value->totalram);
- __put_user(value.freeram, &target_value->freeram);
- __put_user(value.sharedram, &target_value->sharedram);
- __put_user(value.bufferram, &target_value->bufferram);
- __put_user(value.totalswap, &target_value->totalswap);
- __put_user(value.freeswap, &target_value->freeswap);
- __put_user(value.procs, &target_value->procs);
- __put_user(value.totalhigh, &target_value->totalhigh);
- __put_user(value.freehigh, &target_value->freehigh);
- __put_user(value.mem_unit, &target_value->mem_unit);
- unlock_user_struct(target_value, arg1, 1);
- }
- }
- break;
-#ifdef TARGET_NR_ipc
- case TARGET_NR_ipc:
- ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
- break;
-#endif
-#ifdef TARGET_NR_semget
- case TARGET_NR_semget:
- ret = get_errno(semget(arg1, arg2, arg3));
- break;
-#endif
-#ifdef TARGET_NR_semop
- case TARGET_NR_semop:
- ret = do_semop(arg1, arg2, arg3);
- break;
-#endif
-#ifdef TARGET_NR_semctl
- case TARGET_NR_semctl:
- ret = do_semctl(arg1, arg2, arg3, arg4);
- break;
-#endif
-#ifdef TARGET_NR_msgctl
- case TARGET_NR_msgctl:
- ret = do_msgctl(arg1, arg2, arg3);
- break;
-#endif
-#ifdef TARGET_NR_msgget
- case TARGET_NR_msgget:
- ret = get_errno(msgget(arg1, arg2));
- break;
-#endif
-#ifdef TARGET_NR_msgrcv
- case TARGET_NR_msgrcv:
- ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
- break;
-#endif
-#ifdef TARGET_NR_msgsnd
- case TARGET_NR_msgsnd:
- ret = do_msgsnd(arg1, arg2, arg3, arg4);
- break;
-#endif
-#ifdef TARGET_NR_shmget
- case TARGET_NR_shmget:
- ret = get_errno(shmget(arg1, arg2, arg3));
- break;
-#endif
-#ifdef TARGET_NR_shmctl
- case TARGET_NR_shmctl:
- ret = do_shmctl(arg1, arg2, arg3);
- break;
-#endif
-#ifdef TARGET_NR_shmat
- case TARGET_NR_shmat:
- ret = do_shmat(arg1, arg2, arg3);
- break;
-#endif
-#ifdef TARGET_NR_shmdt
- case TARGET_NR_shmdt:
- ret = do_shmdt(arg1);
- break;
-#endif
- case TARGET_NR_fsync:
- ret = get_errno(fsync(arg1));
- break;
- case TARGET_NR_clone:
- /* Linux manages to have three different orderings for its
- * arguments to clone(); the BACKWARDS and BACKWARDS2 defines
- * match the kernel's CONFIG_CLONE_* settings.
- * Microblaze is further special in that it uses a sixth
- * implicit argument to clone for the TLS pointer.
- */
-#if defined(TARGET_MICROBLAZE)
- ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
-#elif defined(TARGET_CLONE_BACKWARDS)
- ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
-#elif defined(TARGET_CLONE_BACKWARDS2)
- ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
-#else
- ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
-#endif
- break;
-#ifdef __NR_exit_group
- /* new thread calls */
- case TARGET_NR_exit_group:
-#ifdef TARGET_GPROF
- _mcleanup();
-#endif
- gdb_exit(cpu_env, arg1);
- ret = get_errno(exit_group(arg1));
- break;
-#endif
- case TARGET_NR_setdomainname:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(setdomainname(p, arg2));
- unlock_user(p, arg1, 0);
- break;
- case TARGET_NR_uname:
- /* no need to transcode because we use the linux syscall */
- {
- struct new_utsname * buf;
-
- if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
- goto efault;
- ret = get_errno(sys_uname(buf));
- if (!is_error(ret)) {
- /* Overrite the native machine name with whatever is being
- emulated. */
- strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
- /* Allow the user to override the reported release. */
- if (qemu_uname_release && *qemu_uname_release)
- strcpy (buf->release, qemu_uname_release);
- }
- unlock_user_struct(buf, arg1, 1);
- }
- break;
-#ifdef TARGET_I386
- case TARGET_NR_modify_ldt:
- ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
- break;
-#if !defined(TARGET_X86_64)
- case TARGET_NR_vm86old:
- goto unimplemented;
- case TARGET_NR_vm86:
- ret = do_vm86(cpu_env, arg1, arg2);
- break;
-#endif
-#endif
- case TARGET_NR_adjtimex:
- goto unimplemented;
-#ifdef TARGET_NR_create_module
- case TARGET_NR_create_module:
-#endif
- case TARGET_NR_init_module:
- case TARGET_NR_delete_module:
-#ifdef TARGET_NR_get_kernel_syms
- case TARGET_NR_get_kernel_syms:
-#endif
- goto unimplemented;
- case TARGET_NR_quotactl:
- goto unimplemented;
- case TARGET_NR_getpgid:
- ret = get_errno(getpgid(arg1));
- break;
- case TARGET_NR_fchdir:
- ret = get_errno(fchdir(arg1));
- break;
-#ifdef TARGET_NR_bdflush /* not on x86_64 */
- case TARGET_NR_bdflush:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_sysfs
- case TARGET_NR_sysfs:
- goto unimplemented;
-#endif
- case TARGET_NR_personality:
- ret = get_errno(personality(arg1));
- break;
-#ifdef TARGET_NR_afs_syscall
- case TARGET_NR_afs_syscall:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR__llseek /* Not on alpha */
- case TARGET_NR__llseek:
- {
- int64_t res;
-#if !defined(__NR_llseek)
- res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
- if (res == -1) {
- ret = get_errno(res);
- } else {
- ret = 0;
- }
-#else
- ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
-#endif
- if ((ret == 0) && put_user_s64(res, arg4)) {
- goto efault;
- }
- }
- break;
-#endif
-#ifdef TARGET_NR_getdents
- case TARGET_NR_getdents:
-#ifdef __NR_getdents
-#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
- {
- struct target_dirent *target_dirp;
- struct linux_dirent *dirp;
- abi_long count = arg3;
-
- dirp = g_try_malloc(count);
- if (!dirp) {
- ret = -TARGET_ENOMEM;
- goto fail;
- }
-
- ret = get_errno(sys_getdents(arg1, dirp, count));
- if (!is_error(ret)) {
- struct linux_dirent *de;
- struct target_dirent *tde;
- int len = ret;
- int reclen, treclen;
- int count1, tnamelen;
-
- count1 = 0;
- de = dirp;
- if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
- goto efault;
- tde = target_dirp;
- while (len > 0) {
- reclen = de->d_reclen;
- tnamelen = reclen - offsetof(struct linux_dirent, d_name);
- assert(tnamelen >= 0);
- treclen = tnamelen + offsetof(struct target_dirent, d_name);
- assert(count1 + treclen <= count);
- tde->d_reclen = tswap16(treclen);
- tde->d_ino = tswapal(de->d_ino);
- tde->d_off = tswapal(de->d_off);
- memcpy(tde->d_name, de->d_name, tnamelen);
- de = (struct linux_dirent *)((char *)de + reclen);
- len -= reclen;
- tde = (struct target_dirent *)((char *)tde + treclen);
- count1 += treclen;
- }
- ret = count1;
- unlock_user(target_dirp, arg2, ret);
- }
- g_free(dirp);
- }
-#else
- {
- struct linux_dirent *dirp;
- abi_long count = arg3;
-
- if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
- goto efault;
- ret = get_errno(sys_getdents(arg1, dirp, count));
- if (!is_error(ret)) {
- struct linux_dirent *de;
- int len = ret;
- int reclen;
- de = dirp;
- while (len > 0) {
- reclen = de->d_reclen;
- if (reclen > len)
- break;
- de->d_reclen = tswap16(reclen);
- tswapls(&de->d_ino);
- tswapls(&de->d_off);
- de = (struct linux_dirent *)((char *)de + reclen);
- len -= reclen;
- }
- }
- unlock_user(dirp, arg2, ret);
- }
-#endif
-#else
- /* Implement getdents in terms of getdents64 */
- {
- struct linux_dirent64 *dirp;
- abi_long count = arg3;
-
- dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
- if (!dirp) {
- goto efault;
- }
- ret = get_errno(sys_getdents64(arg1, dirp, count));
- if (!is_error(ret)) {
- /* Convert the dirent64 structs to target dirent. We do this
- * in-place, since we can guarantee that a target_dirent is no
- * larger than a dirent64; however this means we have to be
- * careful to read everything before writing in the new format.
- */
- struct linux_dirent64 *de;
- struct target_dirent *tde;
- int len = ret;
- int tlen = 0;
-
- de = dirp;
- tde = (struct target_dirent *)dirp;
- while (len > 0) {
- int namelen, treclen;
- int reclen = de->d_reclen;
- uint64_t ino = de->d_ino;
- int64_t off = de->d_off;
- uint8_t type = de->d_type;
-
- namelen = strlen(de->d_name);
- treclen = offsetof(struct target_dirent, d_name)
- + namelen + 2;
- treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long));
-
- memmove(tde->d_name, de->d_name, namelen + 1);
- tde->d_ino = tswapal(ino);
- tde->d_off = tswapal(off);
- tde->d_reclen = tswap16(treclen);
- /* The target_dirent type is in what was formerly a padding
- * byte at the end of the structure:
- */
- *(((char *)tde) + treclen - 1) = type;
-
- de = (struct linux_dirent64 *)((char *)de + reclen);
- tde = (struct target_dirent *)((char *)tde + treclen);
- len -= reclen;
- tlen += treclen;
- }
- ret = tlen;
- }
- unlock_user(dirp, arg2, ret);
- }
-#endif
- break;
-#endif /* TARGET_NR_getdents */
-#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
- case TARGET_NR_getdents64:
- {
- struct linux_dirent64 *dirp;
- abi_long count = arg3;
- if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
- goto efault;
- ret = get_errno(sys_getdents64(arg1, dirp, count));
- if (!is_error(ret)) {
- struct linux_dirent64 *de;
- int len = ret;
- int reclen;
- de = dirp;
- while (len > 0) {
- reclen = de->d_reclen;
- if (reclen > len)
- break;
- de->d_reclen = tswap16(reclen);
- tswap64s((uint64_t *)&de->d_ino);
- tswap64s((uint64_t *)&de->d_off);
- de = (struct linux_dirent64 *)((char *)de + reclen);
- len -= reclen;
- }
- }
- unlock_user(dirp, arg2, ret);
- }
- break;
-#endif /* TARGET_NR_getdents64 */
-#if defined(TARGET_NR__newselect)
- case TARGET_NR__newselect:
- ret = do_select(arg1, arg2, arg3, arg4, arg5);
- break;
-#endif
-#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
-# ifdef TARGET_NR_poll
- case TARGET_NR_poll:
-# endif
-# ifdef TARGET_NR_ppoll
- case TARGET_NR_ppoll:
-# endif
- {
- struct target_pollfd *target_pfd;
- unsigned int nfds = arg2;
- int timeout = arg3;
- struct pollfd *pfd;
- unsigned int i;
-
- pfd = NULL;
- target_pfd = NULL;
- if (nfds) {
- target_pfd = lock_user(VERIFY_WRITE, arg1,
- sizeof(struct target_pollfd) * nfds, 1);
- if (!target_pfd) {
- goto efault;
- }
-
- pfd = alloca(sizeof(struct pollfd) * nfds);
- for (i = 0; i < nfds; i++) {
- pfd[i].fd = tswap32(target_pfd[i].fd);
- pfd[i].events = tswap16(target_pfd[i].events);
- }
- }
-
-# ifdef TARGET_NR_ppoll
- if (num == TARGET_NR_ppoll) {
- struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
- target_sigset_t *target_set;
- sigset_t _set, *set = &_set;
-
- if (arg3) {
- if (target_to_host_timespec(timeout_ts, arg3)) {
- unlock_user(target_pfd, arg1, 0);
- goto efault;
- }
- } else {
- timeout_ts = NULL;
- }
-
- if (arg4) {
- target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
- if (!target_set) {
- unlock_user(target_pfd, arg1, 0);
- goto efault;
- }
- target_to_host_sigset(set, target_set);
- } else {
- set = NULL;
- }
-
- ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
-
- if (!is_error(ret) && arg3) {
- host_to_target_timespec(arg3, timeout_ts);
- }
- if (arg4) {
- unlock_user(target_set, arg4, 0);
- }
- } else
-# endif
- ret = get_errno(poll(pfd, nfds, timeout));
-
- if (!is_error(ret)) {
- for(i = 0; i < nfds; i++) {
- target_pfd[i].revents = tswap16(pfd[i].revents);
- }
- }
- unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
- }
- break;
-#endif
- case TARGET_NR_flock:
- /* NOTE: the flock constant seems to be the same for every
- Linux platform */
- ret = get_errno(flock(arg1, arg2));
- break;
- case TARGET_NR_readv:
- {
- struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
- if (vec != NULL) {
- ret = get_errno(readv(arg1, vec, arg3));
- unlock_iovec(vec, arg2, arg3, 1);
- } else {
- ret = -host_to_target_errno(errno);
- }
- }
- break;
- case TARGET_NR_writev:
- {
- struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
- if (vec != NULL) {
- ret = get_errno(writev(arg1, vec, arg3));
- unlock_iovec(vec, arg2, arg3, 0);
- } else {
- ret = -host_to_target_errno(errno);
- }
- }
- break;
- case TARGET_NR_getsid:
- ret = get_errno(getsid(arg1));
- break;
-#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
- case TARGET_NR_fdatasync:
- ret = get_errno(fdatasync(arg1));
- break;
-#endif
-#ifdef TARGET_NR__sysctl
- case TARGET_NR__sysctl:
- /* We don't implement this, but ENOTDIR is always a safe
- return value. */
- ret = -TARGET_ENOTDIR;
- break;
-#endif
- case TARGET_NR_sched_getaffinity:
- {
- unsigned int mask_size;
- unsigned long *mask;
-
- /*
- * sched_getaffinity needs multiples of ulong, so need to take
- * care of mismatches between target ulong and host ulong sizes.
- */
- if (arg2 & (sizeof(abi_ulong) - 1)) {
- ret = -TARGET_EINVAL;
- break;
- }
- mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
-
- mask = alloca(mask_size);
- ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
-
- if (!is_error(ret)) {
- if (ret > arg2) {
- /* More data returned than the caller's buffer will fit.
- * This only happens if sizeof(abi_long) < sizeof(long)
- * and the caller passed us a buffer holding an odd number
- * of abi_longs. If the host kernel is actually using the
- * extra 4 bytes then fail EINVAL; otherwise we can just
- * ignore them and only copy the interesting part.
- */
- int numcpus = sysconf(_SC_NPROCESSORS_CONF);
- if (numcpus > arg2 * 8) {
- ret = -TARGET_EINVAL;
- break;
- }
- ret = arg2;
- }
-
- if (copy_to_user(arg3, mask, ret)) {
- goto efault;
- }
- }
- }
- break;
- case TARGET_NR_sched_setaffinity:
- {
- unsigned int mask_size;
- unsigned long *mask;
-
- /*
- * sched_setaffinity needs multiples of ulong, so need to take
- * care of mismatches between target ulong and host ulong sizes.
- */
- if (arg2 & (sizeof(abi_ulong) - 1)) {
- ret = -TARGET_EINVAL;
- break;
- }
- mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
-
- mask = alloca(mask_size);
- if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
- goto efault;
- }
- memcpy(mask, p, arg2);
- unlock_user_struct(p, arg2, 0);
-
- ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
- }
- break;
- case TARGET_NR_sched_setparam:
- {
- struct sched_param *target_schp;
- struct sched_param schp;
-
- if (arg2 == 0) {
- return -TARGET_EINVAL;
- }
- if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
- goto efault;
- schp.sched_priority = tswap32(target_schp->sched_priority);
- unlock_user_struct(target_schp, arg2, 0);
- ret = get_errno(sched_setparam(arg1, &schp));
- }
- break;
- case TARGET_NR_sched_getparam:
- {
- struct sched_param *target_schp;
- struct sched_param schp;
-
- if (arg2 == 0) {
- return -TARGET_EINVAL;
- }
- ret = get_errno(sched_getparam(arg1, &schp));
- if (!is_error(ret)) {
- if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
- goto efault;
- target_schp->sched_priority = tswap32(schp.sched_priority);
- unlock_user_struct(target_schp, arg2, 1);
- }
- }
- break;
- case TARGET_NR_sched_setscheduler:
- {
- struct sched_param *target_schp;
- struct sched_param schp;
- if (arg3 == 0) {
- return -TARGET_EINVAL;
- }
- if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
- goto efault;
- schp.sched_priority = tswap32(target_schp->sched_priority);
- unlock_user_struct(target_schp, arg3, 0);
- ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
- }
- break;
- case TARGET_NR_sched_getscheduler:
- ret = get_errno(sched_getscheduler(arg1));
- break;
- case TARGET_NR_sched_yield:
- ret = get_errno(sched_yield());
- break;
- case TARGET_NR_sched_get_priority_max:
- ret = get_errno(sched_get_priority_max(arg1));
- break;
- case TARGET_NR_sched_get_priority_min:
- ret = get_errno(sched_get_priority_min(arg1));
- break;
- case TARGET_NR_sched_rr_get_interval:
- {
- struct timespec ts;
- ret = get_errno(sched_rr_get_interval(arg1, &ts));
- if (!is_error(ret)) {
- ret = host_to_target_timespec(arg2, &ts);
- }
- }
- break;
- case TARGET_NR_nanosleep:
- {
- struct timespec req, rem;
- target_to_host_timespec(&req, arg1);
- ret = get_errno(nanosleep(&req, &rem));
- if (is_error(ret) && arg2) {
- host_to_target_timespec(arg2, &rem);
- }
- }
- break;
-#ifdef TARGET_NR_query_module
- case TARGET_NR_query_module:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_nfsservctl
- case TARGET_NR_nfsservctl:
- goto unimplemented;
-#endif
- case TARGET_NR_prctl:
- switch (arg1) {
- case PR_GET_PDEATHSIG:
- {
- int deathsig;
- ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
- if (!is_error(ret) && arg2
- && put_user_ual(deathsig, arg2)) {
- goto efault;
- }
- break;
- }
-#ifdef PR_GET_NAME
- case PR_GET_NAME:
- {
- void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
- if (!name) {
- goto efault;
- }
- ret = get_errno(prctl(arg1, (unsigned long)name,
- arg3, arg4, arg5));
- unlock_user(name, arg2, 16);
- break;
- }
- case PR_SET_NAME:
- {
- void *name = lock_user(VERIFY_READ, arg2, 16, 1);
- if (!name) {
- goto efault;
- }
- ret = get_errno(prctl(arg1, (unsigned long)name,
- arg3, arg4, arg5));
- unlock_user(name, arg2, 0);
- break;
- }
-#endif
- default:
- /* Most prctl options have no pointer arguments */
- ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
- break;
- }
- break;
-#ifdef TARGET_NR_arch_prctl
- case TARGET_NR_arch_prctl:
-#if defined(TARGET_I386) && !defined(TARGET_ABI32)
- ret = do_arch_prctl(cpu_env, arg1, arg2);
- break;
-#else
- goto unimplemented;
-#endif
-#endif
-#ifdef TARGET_NR_pread64
- case TARGET_NR_pread64:
- if (regpairs_aligned(cpu_env)) {
- arg4 = arg5;
- arg5 = arg6;
- }
- if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
- goto efault;
- ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
- unlock_user(p, arg2, ret);
- break;
- case TARGET_NR_pwrite64:
- if (regpairs_aligned(cpu_env)) {
- arg4 = arg5;
- arg5 = arg6;
- }
- if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
- goto efault;
- ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
- unlock_user(p, arg2, 0);
- break;
-#endif
- case TARGET_NR_getcwd:
- if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
- goto efault;
- ret = get_errno(sys_getcwd1(p, arg2));
- unlock_user(p, arg1, ret);
- break;
- case TARGET_NR_capget:
- case TARGET_NR_capset:
- {
- struct target_user_cap_header *target_header;
- struct target_user_cap_data *target_data = NULL;
- struct __user_cap_header_struct header;
- struct __user_cap_data_struct data[2];
- struct __user_cap_data_struct *dataptr = NULL;
- int i, target_datalen;
- int data_items = 1;
-
- if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
- goto efault;
- }
- header.version = tswap32(target_header->version);
- header.pid = tswap32(target_header->pid);
-
- if (header.version != _LINUX_CAPABILITY_VERSION) {
- /* Version 2 and up takes pointer to two user_data structs */
- data_items = 2;
- }
-
- target_datalen = sizeof(*target_data) * data_items;
-
- if (arg2) {
- if (num == TARGET_NR_capget) {
- target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0);
- } else {
- target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1);
- }
- if (!target_data) {
- unlock_user_struct(target_header, arg1, 0);
- goto efault;
- }
-
- if (num == TARGET_NR_capset) {
- for (i = 0; i < data_items; i++) {
- data[i].effective = tswap32(target_data[i].effective);
- data[i].permitted = tswap32(target_data[i].permitted);
- data[i].inheritable = tswap32(target_data[i].inheritable);
- }
- }
-
- dataptr = data;
- }
-
- if (num == TARGET_NR_capget) {
- ret = get_errno(capget(&header, dataptr));
- } else {
- ret = get_errno(capset(&header, dataptr));
- }
-
- /* The kernel always updates version for both capget and capset */
- target_header->version = tswap32(header.version);
- unlock_user_struct(target_header, arg1, 1);
-
- if (arg2) {
- if (num == TARGET_NR_capget) {
- for (i = 0; i < data_items; i++) {
- target_data[i].effective = tswap32(data[i].effective);
- target_data[i].permitted = tswap32(data[i].permitted);
- target_data[i].inheritable = tswap32(data[i].inheritable);
- }
- unlock_user(target_data, arg2, target_datalen);
- } else {
- unlock_user(target_data, arg2, 0);
- }
- }
- break;
- }
- case TARGET_NR_sigaltstack:
- ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env));
- break;
-
-#ifdef CONFIG_SENDFILE
- case TARGET_NR_sendfile:
- {
- off_t *offp = NULL;
- off_t off;
- if (arg3) {
- ret = get_user_sal(off, arg3);
- if (is_error(ret)) {
- break;
- }
- offp = &off;
- }
- ret = get_errno(sendfile(arg1, arg2, offp, arg4));
- if (!is_error(ret) && arg3) {
- abi_long ret2 = put_user_sal(off, arg3);
- if (is_error(ret2)) {
- ret = ret2;
- }
- }
- break;
- }
-#ifdef TARGET_NR_sendfile64
- case TARGET_NR_sendfile64:
- {
- off_t *offp = NULL;
- off_t off;
- if (arg3) {
- ret = get_user_s64(off, arg3);
- if (is_error(ret)) {
- break;
- }
- offp = &off;
- }
- ret = get_errno(sendfile(arg1, arg2, offp, arg4));
- if (!is_error(ret) && arg3) {
- abi_long ret2 = put_user_s64(off, arg3);
- if (is_error(ret2)) {
- ret = ret2;
- }
- }
- break;
- }
-#endif
-#else
- case TARGET_NR_sendfile:
-#ifdef TARGET_NR_sendfile64
- case TARGET_NR_sendfile64:
-#endif
- goto unimplemented;
-#endif
-
-#ifdef TARGET_NR_getpmsg
- case TARGET_NR_getpmsg:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_putpmsg
- case TARGET_NR_putpmsg:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_vfork
- case TARGET_NR_vfork:
- ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
- 0, 0, 0, 0));
- break;
-#endif
-#ifdef TARGET_NR_ugetrlimit
- case TARGET_NR_ugetrlimit:
- {
- struct rlimit rlim;
- int resource = target_to_host_resource(arg1);
- ret = get_errno(getrlimit(resource, &rlim));
- if (!is_error(ret)) {
- struct target_rlimit *target_rlim;
- if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
- goto efault;
- target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
- target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
- unlock_user_struct(target_rlim, arg2, 1);
- }
- break;
- }
-#endif
-#ifdef TARGET_NR_truncate64
- case TARGET_NR_truncate64:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
- unlock_user(p, arg1, 0);
- break;
-#endif
-#ifdef TARGET_NR_ftruncate64
- case TARGET_NR_ftruncate64:
- ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
- break;
-#endif
-#ifdef TARGET_NR_stat64
- case TARGET_NR_stat64:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(stat(path(p), &st));
- unlock_user(p, arg1, 0);
- if (!is_error(ret))
- ret = host_to_target_stat64(cpu_env, arg2, &st);
- break;
-#endif
-#ifdef TARGET_NR_lstat64
- case TARGET_NR_lstat64:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(lstat(path(p), &st));
- unlock_user(p, arg1, 0);
- if (!is_error(ret))
- ret = host_to_target_stat64(cpu_env, arg2, &st);
- break;
-#endif
-#ifdef TARGET_NR_fstat64
- case TARGET_NR_fstat64:
- ret = get_errno(fstat(arg1, &st));
- if (!is_error(ret))
- ret = host_to_target_stat64(cpu_env, arg2, &st);
- break;
-#endif
-#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
-#ifdef TARGET_NR_fstatat64
- case TARGET_NR_fstatat64:
-#endif
-#ifdef TARGET_NR_newfstatat
- case TARGET_NR_newfstatat:
-#endif
- if (!(p = lock_user_string(arg2)))
- goto efault;
- ret = get_errno(fstatat(arg1, path(p), &st, arg4));
- if (!is_error(ret))
- ret = host_to_target_stat64(cpu_env, arg3, &st);
- break;
-#endif
-#ifdef TARGET_NR_lchown
- case TARGET_NR_lchown:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
- unlock_user(p, arg1, 0);
- break;
-#endif
-#ifdef TARGET_NR_getuid
- case TARGET_NR_getuid:
- ret = get_errno(high2lowuid(getuid()));
- break;
-#endif
-#ifdef TARGET_NR_getgid
- case TARGET_NR_getgid:
- ret = get_errno(high2lowgid(getgid()));
- break;
-#endif
-#ifdef TARGET_NR_geteuid
- case TARGET_NR_geteuid:
- ret = get_errno(high2lowuid(geteuid()));
- break;
-#endif
-#ifdef TARGET_NR_getegid
- case TARGET_NR_getegid:
- ret = get_errno(high2lowgid(getegid()));
- break;
-#endif
- case TARGET_NR_setreuid:
- ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
- break;
- case TARGET_NR_setregid:
- ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
- break;
- case TARGET_NR_getgroups:
- {
- int gidsetsize = arg1;
- target_id *target_grouplist;
- gid_t *grouplist;
- int i;
-
- grouplist = alloca(gidsetsize * sizeof(gid_t));
- ret = get_errno(getgroups(gidsetsize, grouplist));
- if (gidsetsize == 0)
- break;
- if (!is_error(ret)) {
- target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
- if (!target_grouplist)
- goto efault;
- for(i = 0;i < ret; i++)
- target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
- unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
- }
- }
- break;
- case TARGET_NR_setgroups:
- {
- int gidsetsize = arg1;
- target_id *target_grouplist;
- gid_t *grouplist = NULL;
- int i;
- if (gidsetsize) {
- grouplist = alloca(gidsetsize * sizeof(gid_t));
- target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
- if (!target_grouplist) {
- ret = -TARGET_EFAULT;
- goto fail;
- }
- for (i = 0; i < gidsetsize; i++) {
- grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
- }
- unlock_user(target_grouplist, arg2, 0);
- }
- ret = get_errno(setgroups(gidsetsize, grouplist));
- }
- break;
- case TARGET_NR_fchown:
- ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
- break;
-#if defined(TARGET_NR_fchownat)
- case TARGET_NR_fchownat:
- if (!(p = lock_user_string(arg2)))
- goto efault;
- ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
- low2highgid(arg4), arg5));
- unlock_user(p, arg2, 0);
- break;
-#endif
-#ifdef TARGET_NR_setresuid
- case TARGET_NR_setresuid:
- ret = get_errno(setresuid(low2highuid(arg1),
- low2highuid(arg2),
- low2highuid(arg3)));
- break;
-#endif
-#ifdef TARGET_NR_getresuid
- case TARGET_NR_getresuid:
- {
- uid_t ruid, euid, suid;
- ret = get_errno(getresuid(&ruid, &euid, &suid));
- if (!is_error(ret)) {
- if (put_user_id(high2lowuid(ruid), arg1)
- || put_user_id(high2lowuid(euid), arg2)
- || put_user_id(high2lowuid(suid), arg3))
- goto efault;
- }
- }
- break;
-#endif
-#ifdef TARGET_NR_getresgid
- case TARGET_NR_setresgid:
- ret = get_errno(setresgid(low2highgid(arg1),
- low2highgid(arg2),
- low2highgid(arg3)));
- break;
-#endif
-#ifdef TARGET_NR_getresgid
- case TARGET_NR_getresgid:
- {
- gid_t rgid, egid, sgid;
- ret = get_errno(getresgid(&rgid, &egid, &sgid));
- if (!is_error(ret)) {
- if (put_user_id(high2lowgid(rgid), arg1)
- || put_user_id(high2lowgid(egid), arg2)
- || put_user_id(high2lowgid(sgid), arg3))
- goto efault;
- }
- }
- break;
-#endif
-#ifdef TARGET_NR_chown
- case TARGET_NR_chown:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
- unlock_user(p, arg1, 0);
- break;
-#endif
- case TARGET_NR_setuid:
- ret = get_errno(setuid(low2highuid(arg1)));
- break;
- case TARGET_NR_setgid:
- ret = get_errno(setgid(low2highgid(arg1)));
- break;
- case TARGET_NR_setfsuid:
- ret = get_errno(setfsuid(arg1));
- break;
- case TARGET_NR_setfsgid:
- ret = get_errno(setfsgid(arg1));
- break;
-
-#ifdef TARGET_NR_lchown32
- case TARGET_NR_lchown32:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(lchown(p, arg2, arg3));
- unlock_user(p, arg1, 0);
- break;
-#endif
-#ifdef TARGET_NR_getuid32
- case TARGET_NR_getuid32:
- ret = get_errno(getuid());
- break;
-#endif
-
-#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
- /* Alpha specific */
- case TARGET_NR_getxuid:
- {
- uid_t euid;
- euid=geteuid();
- ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
- }
- ret = get_errno(getuid());
- break;
-#endif
-#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
- /* Alpha specific */
- case TARGET_NR_getxgid:
- {
- uid_t egid;
- egid=getegid();
- ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
- }
- ret = get_errno(getgid());
- break;
-#endif
-#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
- /* Alpha specific */
- case TARGET_NR_osf_getsysinfo:
- ret = -TARGET_EOPNOTSUPP;
- switch (arg1) {
- case TARGET_GSI_IEEE_FP_CONTROL:
- {
- uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
-
- /* Copied from linux ieee_fpcr_to_swcr. */
- swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
- swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
- swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
- | SWCR_TRAP_ENABLE_DZE
- | SWCR_TRAP_ENABLE_OVF);
- swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
- | SWCR_TRAP_ENABLE_INE);
- swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
- swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
-
- if (put_user_u64 (swcr, arg2))
- goto efault;
- ret = 0;
- }
- break;
-
- /* case GSI_IEEE_STATE_AT_SIGNAL:
- -- Not implemented in linux kernel.
- case GSI_UACPROC:
- -- Retrieves current unaligned access state; not much used.
- case GSI_PROC_TYPE:
- -- Retrieves implver information; surely not used.
- case GSI_GET_HWRPB:
- -- Grabs a copy of the HWRPB; surely not used.
- */
- }
- break;
-#endif
-#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
- /* Alpha specific */
- case TARGET_NR_osf_setsysinfo:
- ret = -TARGET_EOPNOTSUPP;
- switch (arg1) {
- case TARGET_SSI_IEEE_FP_CONTROL:
- {
- uint64_t swcr, fpcr, orig_fpcr;
-
- if (get_user_u64 (swcr, arg2)) {
- goto efault;
- }
- orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
- fpcr = orig_fpcr & FPCR_DYN_MASK;
-
- /* Copied from linux ieee_swcr_to_fpcr. */
- fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
- fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
- fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
- | SWCR_TRAP_ENABLE_DZE
- | SWCR_TRAP_ENABLE_OVF)) << 48;
- fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
- | SWCR_TRAP_ENABLE_INE)) << 57;
- fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
- fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
-
- cpu_alpha_store_fpcr(cpu_env, fpcr);
- ret = 0;
- }
- break;
-
- case TARGET_SSI_IEEE_RAISE_EXCEPTION:
- {
- uint64_t exc, fpcr, orig_fpcr;
- int si_code;
-
- if (get_user_u64(exc, arg2)) {
- goto efault;
- }
-
- orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
-
- /* We only add to the exception status here. */
- fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
-
- cpu_alpha_store_fpcr(cpu_env, fpcr);
- ret = 0;
-
- /* Old exceptions are not signaled. */
- fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
-
- /* If any exceptions set by this call,
- and are unmasked, send a signal. */
- si_code = 0;
- if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
- si_code = TARGET_FPE_FLTRES;
- }
- if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
- si_code = TARGET_FPE_FLTUND;
- }
- if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
- si_code = TARGET_FPE_FLTOVF;
- }
- if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
- si_code = TARGET_FPE_FLTDIV;
- }
- if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
- si_code = TARGET_FPE_FLTINV;
- }
- if (si_code != 0) {
- target_siginfo_t info;
- info.si_signo = SIGFPE;
- info.si_errno = 0;
- info.si_code = si_code;
- info._sifields._sigfault._addr
- = ((CPUArchState *)cpu_env)->pc;
- queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
- }
- }
- break;
-
- /* case SSI_NVPAIRS:
- -- Used with SSIN_UACPROC to enable unaligned accesses.
- case SSI_IEEE_STATE_AT_SIGNAL:
- case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
- -- Not implemented in linux kernel
- */
- }
- break;
-#endif
-#ifdef TARGET_NR_osf_sigprocmask
- /* Alpha specific. */
- case TARGET_NR_osf_sigprocmask:
- {
- abi_ulong mask;
- int how;
- sigset_t set, oldset;
-
- switch(arg1) {
- case TARGET_SIG_BLOCK:
- how = SIG_BLOCK;
- break;
- case TARGET_SIG_UNBLOCK:
- how = SIG_UNBLOCK;
- break;
- case TARGET_SIG_SETMASK:
- how = SIG_SETMASK;
- break;
- default:
- ret = -TARGET_EINVAL;
- goto fail;
- }
- mask = arg2;
- target_to_host_old_sigset(&set, &mask);
- do_sigprocmask(how, &set, &oldset);
- host_to_target_old_sigset(&mask, &oldset);
- ret = mask;
- }
- break;
-#endif
-
-#ifdef TARGET_NR_getgid32
- case TARGET_NR_getgid32:
- ret = get_errno(getgid());
- break;
-#endif
-#ifdef TARGET_NR_geteuid32
- case TARGET_NR_geteuid32:
- ret = get_errno(geteuid());
- break;
-#endif
-#ifdef TARGET_NR_getegid32
- case TARGET_NR_getegid32:
- ret = get_errno(getegid());
- break;
-#endif
-#ifdef TARGET_NR_setreuid32
- case TARGET_NR_setreuid32:
- ret = get_errno(setreuid(arg1, arg2));
- break;
-#endif
-#ifdef TARGET_NR_setregid32
- case TARGET_NR_setregid32:
- ret = get_errno(setregid(arg1, arg2));
- break;
-#endif
-#ifdef TARGET_NR_getgroups32
- case TARGET_NR_getgroups32:
- {
- int gidsetsize = arg1;
- uint32_t *target_grouplist;
- gid_t *grouplist;
- int i;
-
- grouplist = alloca(gidsetsize * sizeof(gid_t));
- ret = get_errno(getgroups(gidsetsize, grouplist));
- if (gidsetsize == 0)
- break;
- if (!is_error(ret)) {
- target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
- if (!target_grouplist) {
- ret = -TARGET_EFAULT;
- goto fail;
- }
- for(i = 0;i < ret; i++)
- target_grouplist[i] = tswap32(grouplist[i]);
- unlock_user(target_grouplist, arg2, gidsetsize * 4);
- }
- }
- break;
-#endif
-#ifdef TARGET_NR_setgroups32
- case TARGET_NR_setgroups32:
- {
- int gidsetsize = arg1;
- uint32_t *target_grouplist;
- gid_t *grouplist;
- int i;
-
- grouplist = alloca(gidsetsize * sizeof(gid_t));
- target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
- if (!target_grouplist) {
- ret = -TARGET_EFAULT;
- goto fail;
- }
- for(i = 0;i < gidsetsize; i++)
- grouplist[i] = tswap32(target_grouplist[i]);
- unlock_user(target_grouplist, arg2, 0);
- ret = get_errno(setgroups(gidsetsize, grouplist));
- }
- break;
-#endif
-#ifdef TARGET_NR_fchown32
- case TARGET_NR_fchown32:
- ret = get_errno(fchown(arg1, arg2, arg3));
- break;
-#endif
-#ifdef TARGET_NR_setresuid32
- case TARGET_NR_setresuid32:
- ret = get_errno(setresuid(arg1, arg2, arg3));
- break;
-#endif
-#ifdef TARGET_NR_getresuid32
- case TARGET_NR_getresuid32:
- {
- uid_t ruid, euid, suid;
- ret = get_errno(getresuid(&ruid, &euid, &suid));
- if (!is_error(ret)) {
- if (put_user_u32(ruid, arg1)
- || put_user_u32(euid, arg2)
- || put_user_u32(suid, arg3))
- goto efault;
- }
- }
- break;
-#endif
-#ifdef TARGET_NR_setresgid32
- case TARGET_NR_setresgid32:
- ret = get_errno(setresgid(arg1, arg2, arg3));
- break;
-#endif
-#ifdef TARGET_NR_getresgid32
- case TARGET_NR_getresgid32:
- {
- gid_t rgid, egid, sgid;
- ret = get_errno(getresgid(&rgid, &egid, &sgid));
- if (!is_error(ret)) {
- if (put_user_u32(rgid, arg1)
- || put_user_u32(egid, arg2)
- || put_user_u32(sgid, arg3))
- goto efault;
- }
- }
- break;
-#endif
-#ifdef TARGET_NR_chown32
- case TARGET_NR_chown32:
- if (!(p = lock_user_string(arg1)))
- goto efault;
- ret = get_errno(chown(p, arg2, arg3));
- unlock_user(p, arg1, 0);
- break;
-#endif
-#ifdef TARGET_NR_setuid32
- case TARGET_NR_setuid32:
- ret = get_errno(setuid(arg1));
- break;
-#endif
-#ifdef TARGET_NR_setgid32
- case TARGET_NR_setgid32:
- ret = get_errno(setgid(arg1));
- break;
-#endif
-#ifdef TARGET_NR_setfsuid32
- case TARGET_NR_setfsuid32:
- ret = get_errno(setfsuid(arg1));
- break;
-#endif
-#ifdef TARGET_NR_setfsgid32
- case TARGET_NR_setfsgid32:
- ret = get_errno(setfsgid(arg1));
- break;
-#endif
-
- case TARGET_NR_pivot_root:
- goto unimplemented;
-#ifdef TARGET_NR_mincore
- case TARGET_NR_mincore:
- {
- void *a;
- ret = -TARGET_EFAULT;
- if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
- goto efault;
- if (!(p = lock_user_string(arg3)))
- goto mincore_fail;
- ret = get_errno(mincore(a, arg2, p));
- unlock_user(p, arg3, ret);
- mincore_fail:
- unlock_user(a, arg1, 0);
- }
- break;
-#endif
-#ifdef TARGET_NR_arm_fadvise64_64
- case TARGET_NR_arm_fadvise64_64:
- {
- /*
- * arm_fadvise64_64 looks like fadvise64_64 but
- * with different argument order
- */
- abi_long temp;
- temp = arg3;
- arg3 = arg4;
- arg4 = temp;
- }
-#endif
-#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
-#ifdef TARGET_NR_fadvise64_64
- case TARGET_NR_fadvise64_64:
-#endif
-#ifdef TARGET_NR_fadvise64
- case TARGET_NR_fadvise64:
-#endif
-#ifdef TARGET_S390X
- switch (arg4) {
- case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
- case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
- case 6: arg4 = POSIX_FADV_DONTNEED; break;
- case 7: arg4 = POSIX_FADV_NOREUSE; break;
- default: break;
- }
-#endif
- ret = -posix_fadvise(arg1, arg2, arg3, arg4);
- break;
-#endif
-#ifdef TARGET_NR_madvise
- case TARGET_NR_madvise:
- /* A straight passthrough may not be safe because qemu sometimes
- turns private file-backed mappings into anonymous mappings.
- This will break MADV_DONTNEED.
- This is a hint, so ignoring and returning success is ok. */
- ret = get_errno(0);
- break;
-#endif
-#if TARGET_ABI_BITS == 32
- case TARGET_NR_fcntl64:
- {
- int cmd;
- struct flock64 fl;
- struct target_flock64 *target_fl;
-#ifdef TARGET_ARM
- struct target_eabi_flock64 *target_efl;
-#endif
-
- cmd = target_to_host_fcntl_cmd(arg2);
- if (cmd == -TARGET_EINVAL) {
- ret = cmd;
- break;
- }
-
- switch(arg2) {
- case TARGET_F_GETLK64:
-#ifdef TARGET_ARM
- if (((CPUARMState *)cpu_env)->eabi) {
- if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
- goto efault;
- fl.l_type = tswap16(target_efl->l_type);
- fl.l_whence = tswap16(target_efl->l_whence);
- fl.l_start = tswap64(target_efl->l_start);
- fl.l_len = tswap64(target_efl->l_len);
- fl.l_pid = tswap32(target_efl->l_pid);
- unlock_user_struct(target_efl, arg3, 0);
- } else
-#endif
- {
- if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
- goto efault;
- fl.l_type = tswap16(target_fl->l_type);
- fl.l_whence = tswap16(target_fl->l_whence);
- fl.l_start = tswap64(target_fl->l_start);
- fl.l_len = tswap64(target_fl->l_len);
- fl.l_pid = tswap32(target_fl->l_pid);
- unlock_user_struct(target_fl, arg3, 0);
- }
- ret = get_errno(fcntl(arg1, cmd, &fl));
- if (ret == 0) {
-#ifdef TARGET_ARM
- if (((CPUARMState *)cpu_env)->eabi) {
- if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
- goto efault;
- target_efl->l_type = tswap16(fl.l_type);
- target_efl->l_whence = tswap16(fl.l_whence);
- target_efl->l_start = tswap64(fl.l_start);
- target_efl->l_len = tswap64(fl.l_len);
- target_efl->l_pid = tswap32(fl.l_pid);
- unlock_user_struct(target_efl, arg3, 1);
- } else
-#endif
- {
- if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
- goto efault;
- target_fl->l_type = tswap16(fl.l_type);
- target_fl->l_whence = tswap16(fl.l_whence);
- target_fl->l_start = tswap64(fl.l_start);
- target_fl->l_len = tswap64(fl.l_len);
- target_fl->l_pid = tswap32(fl.l_pid);
- unlock_user_struct(target_fl, arg3, 1);
- }
- }
- break;
-
- case TARGET_F_SETLK64:
- case TARGET_F_SETLKW64:
-#ifdef TARGET_ARM
- if (((CPUARMState *)cpu_env)->eabi) {
- if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
- goto efault;
- fl.l_type = tswap16(target_efl->l_type);
- fl.l_whence = tswap16(target_efl->l_whence);
- fl.l_start = tswap64(target_efl->l_start);
- fl.l_len = tswap64(target_efl->l_len);
- fl.l_pid = tswap32(target_efl->l_pid);
- unlock_user_struct(target_efl, arg3, 0);
- } else
-#endif
- {
- if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
- goto efault;
- fl.l_type = tswap16(target_fl->l_type);
- fl.l_whence = tswap16(target_fl->l_whence);
- fl.l_start = tswap64(target_fl->l_start);
- fl.l_len = tswap64(target_fl->l_len);
- fl.l_pid = tswap32(target_fl->l_pid);
- unlock_user_struct(target_fl, arg3, 0);
- }
- ret = get_errno(fcntl(arg1, cmd, &fl));
- break;
- default:
- ret = do_fcntl(arg1, arg2, arg3);
- break;
- }
- break;
- }
-#endif
-#ifdef TARGET_NR_cacheflush
- case TARGET_NR_cacheflush:
- /* self-modifying code is handled automatically, so nothing needed */
- ret = 0;
- break;
-#endif
-#ifdef TARGET_NR_security
- case TARGET_NR_security:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_getpagesize
- case TARGET_NR_getpagesize:
- ret = TARGET_PAGE_SIZE;
- break;
-#endif
- case TARGET_NR_gettid:
- ret = get_errno(gettid());
- break;
-#ifdef TARGET_NR_readahead
- case TARGET_NR_readahead:
-#if TARGET_ABI_BITS == 32
- if (regpairs_aligned(cpu_env)) {
- arg2 = arg3;
- arg3 = arg4;
- arg4 = arg5;
- }
- ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
-#else
- ret = get_errno(readahead(arg1, arg2, arg3));
-#endif
- break;
-#endif
-#ifdef CONFIG_ATTR
-#ifdef TARGET_NR_setxattr
- case TARGET_NR_listxattr:
- case TARGET_NR_llistxattr:
- {
- void *p, *b = 0;
- if (arg2) {
- b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
- if (!b) {
- ret = -TARGET_EFAULT;
- break;
- }
- }
- p = lock_user_string(arg1);
- if (p) {
- if (num == TARGET_NR_listxattr) {
- ret = get_errno(listxattr(p, b, arg3));
- } else {
- ret = get_errno(llistxattr(p, b, arg3));
- }
- } else {
- ret = -TARGET_EFAULT;
- }
- unlock_user(p, arg1, 0);
- unlock_user(b, arg2, arg3);
- break;
- }
- case TARGET_NR_flistxattr:
- {
- void *b = 0;
- if (arg2) {
- b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
- if (!b) {
- ret = -TARGET_EFAULT;
- break;
- }
- }
- ret = get_errno(flistxattr(arg1, b, arg3));
- unlock_user(b, arg2, arg3);
- break;
- }
- case TARGET_NR_setxattr:
- case TARGET_NR_lsetxattr:
- {
- void *p, *n, *v = 0;
- if (arg3) {
- v = lock_user(VERIFY_READ, arg3, arg4, 1);
- if (!v) {
- ret = -TARGET_EFAULT;
- break;
- }
- }
- p = lock_user_string(arg1);
- n = lock_user_string(arg2);
- if (p && n) {
- if (num == TARGET_NR_setxattr) {
- ret = get_errno(setxattr(p, n, v, arg4, arg5));
- } else {
- ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
- }
- } else {
- ret = -TARGET_EFAULT;
- }
- unlock_user(p, arg1, 0);
- unlock_user(n, arg2, 0);
- unlock_user(v, arg3, 0);
- }
- break;
- case TARGET_NR_fsetxattr:
- {
- void *n, *v = 0;
- if (arg3) {
- v = lock_user(VERIFY_READ, arg3, arg4, 1);
- if (!v) {
- ret = -TARGET_EFAULT;
- break;
- }
- }
- n = lock_user_string(arg2);
- if (n) {
- ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
- } else {
- ret = -TARGET_EFAULT;
- }
- unlock_user(n, arg2, 0);
- unlock_user(v, arg3, 0);
- }
- break;
- case TARGET_NR_getxattr:
- case TARGET_NR_lgetxattr:
- {
- void *p, *n, *v = 0;
- if (arg3) {
- v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
- if (!v) {
- ret = -TARGET_EFAULT;
- break;
- }
- }
- p = lock_user_string(arg1);
- n = lock_user_string(arg2);
- if (p && n) {
- if (num == TARGET_NR_getxattr) {
- ret = get_errno(getxattr(p, n, v, arg4));
- } else {
- ret = get_errno(lgetxattr(p, n, v, arg4));
- }
- } else {
- ret = -TARGET_EFAULT;
- }
- unlock_user(p, arg1, 0);
- unlock_user(n, arg2, 0);
- unlock_user(v, arg3, arg4);
- }
- break;
- case TARGET_NR_fgetxattr:
- {
- void *n, *v = 0;
- if (arg3) {
- v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
- if (!v) {
- ret = -TARGET_EFAULT;
- break;
- }
- }
- n = lock_user_string(arg2);
- if (n) {
- ret = get_errno(fgetxattr(arg1, n, v, arg4));
- } else {
- ret = -TARGET_EFAULT;
- }
- unlock_user(n, arg2, 0);
- unlock_user(v, arg3, arg4);
- }
- break;
- case TARGET_NR_removexattr:
- case TARGET_NR_lremovexattr:
- {
- void *p, *n;
- p = lock_user_string(arg1);
- n = lock_user_string(arg2);
- if (p && n) {
- if (num == TARGET_NR_removexattr) {
- ret = get_errno(removexattr(p, n));
- } else {
- ret = get_errno(lremovexattr(p, n));
- }
- } else {
- ret = -TARGET_EFAULT;
- }
- unlock_user(p, arg1, 0);
- unlock_user(n, arg2, 0);
- }
- break;
- case TARGET_NR_fremovexattr:
- {
- void *n;
- n = lock_user_string(arg2);
- if (n) {
- ret = get_errno(fremovexattr(arg1, n));
- } else {
- ret = -TARGET_EFAULT;
- }
- unlock_user(n, arg2, 0);
- }
- break;
-#endif
-#endif /* CONFIG_ATTR */
-#ifdef TARGET_NR_set_thread_area
- case TARGET_NR_set_thread_area:
-#if defined(TARGET_MIPS)
- ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1;
- ret = 0;
- break;
-#elif defined(TARGET_CRIS)
- if (arg1 & 0xff)
- ret = -TARGET_EINVAL;
- else {
- ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
- ret = 0;
- }
- break;
-#elif defined(TARGET_I386) && defined(TARGET_ABI32)
- ret = do_set_thread_area(cpu_env, arg1);
- break;
-#elif defined(TARGET_M68K)
- {
- TaskState *ts = cpu->opaque;
- ts->tp_value = arg1;
- ret = 0;
- break;
- }
-#else
- goto unimplemented_nowarn;
-#endif
-#endif
-#ifdef TARGET_NR_get_thread_area
- case TARGET_NR_get_thread_area:
-#if defined(TARGET_I386) && defined(TARGET_ABI32)
- ret = do_get_thread_area(cpu_env, arg1);
- break;
-#elif defined(TARGET_M68K)
- {
- TaskState *ts = cpu->opaque;
- ret = ts->tp_value;
- break;
- }
-#else
- goto unimplemented_nowarn;
-#endif
-#endif
-#ifdef TARGET_NR_getdomainname
- case TARGET_NR_getdomainname:
- goto unimplemented_nowarn;
-#endif
-
-#ifdef TARGET_NR_clock_gettime
- case TARGET_NR_clock_gettime:
- {
- struct timespec ts;
- ret = get_errno(clock_gettime(arg1, &ts));
- if (!is_error(ret)) {
- host_to_target_timespec(arg2, &ts);
- }
- break;
- }
-#endif
-#ifdef TARGET_NR_clock_getres
- case TARGET_NR_clock_getres:
- {
- struct timespec ts;
- ret = get_errno(clock_getres(arg1, &ts));
- if (!is_error(ret)) {
- host_to_target_timespec(arg2, &ts);
- }
- break;
- }
-#endif
-#ifdef TARGET_NR_clock_nanosleep
- case TARGET_NR_clock_nanosleep:
- {
- struct timespec ts;
- target_to_host_timespec(&ts, arg3);
- ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
- if (arg4)
- host_to_target_timespec(arg4, &ts);
-
-#if defined(TARGET_PPC)
- /* clock_nanosleep is odd in that it returns positive errno values.
- * On PPC, CR0 bit 3 should be set in such a situation. */
- if (ret) {
- ((CPUPPCState *)cpu_env)->crf[0] |= 1;
- }
-#endif
- break;
- }
-#endif
-
-#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
- case TARGET_NR_set_tid_address:
- ret = get_errno(set_tid_address((int *)g2h(arg1)));
- break;
-#endif
-
-#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
- case TARGET_NR_tkill:
- ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
- break;
-#endif
-
-#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
- case TARGET_NR_tgkill:
- ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
- target_to_host_signal(arg3)));
- break;
-#endif
-
-#ifdef TARGET_NR_set_robust_list
- case TARGET_NR_set_robust_list:
- case TARGET_NR_get_robust_list:
- /* The ABI for supporting robust futexes has userspace pass
- * the kernel a pointer to a linked list which is updated by
- * userspace after the syscall; the list is walked by the kernel
- * when the thread exits. Since the linked list in QEMU guest
- * memory isn't a valid linked list for the host and we have
- * no way to reliably intercept the thread-death event, we can't
- * support these. Silently return ENOSYS so that guest userspace
- * falls back to a non-robust futex implementation (which should
- * be OK except in the corner case of the guest crashing while
- * holding a mutex that is shared with another process via
- * shared memory).
- */
- goto unimplemented_nowarn;
-#endif
-
-#if defined(TARGET_NR_utimensat)
- case TARGET_NR_utimensat:
- {
- struct timespec *tsp, ts[2];
- if (!arg3) {
- tsp = NULL;
- } else {
- target_to_host_timespec(ts, arg3);
- target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
- tsp = ts;
- }
- if (!arg2)
- ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
- else {
- if (!(p = lock_user_string(arg2))) {
- ret = -TARGET_EFAULT;
- goto fail;
- }
- ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
- unlock_user(p, arg2, 0);
- }
- }
- break;
-#endif
- case TARGET_NR_futex:
- ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
- break;
-#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
- case TARGET_NR_inotify_init:
- ret = get_errno(sys_inotify_init());
- break;
-#endif
-#ifdef CONFIG_INOTIFY1
-#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
- case TARGET_NR_inotify_init1:
- ret = get_errno(sys_inotify_init1(arg1));
- break;
-#endif
-#endif
-#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
- case TARGET_NR_inotify_add_watch:
- p = lock_user_string(arg2);
- ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
- unlock_user(p, arg2, 0);
- break;
-#endif
-#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
- case TARGET_NR_inotify_rm_watch:
- ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
- break;
-#endif
-
-#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
- case TARGET_NR_mq_open:
- {
- struct mq_attr posix_mq_attr, *attrp;
-
- p = lock_user_string(arg1 - 1);
- if (arg4 != 0) {
- copy_from_user_mq_attr (&posix_mq_attr, arg4);
- attrp = &posix_mq_attr;
- } else {
- attrp = 0;
- }
- ret = get_errno(mq_open(p, arg2, arg3, attrp));
- unlock_user (p, arg1, 0);
- }
- break;
-
- case TARGET_NR_mq_unlink:
- p = lock_user_string(arg1 - 1);
- ret = get_errno(mq_unlink(p));
- unlock_user (p, arg1, 0);
- break;
-
- case TARGET_NR_mq_timedsend:
- {
- struct timespec ts;
-
- p = lock_user (VERIFY_READ, arg2, arg3, 1);
- if (arg5 != 0) {
- target_to_host_timespec(&ts, arg5);
- ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
- host_to_target_timespec(arg5, &ts);
- }
- else
- ret = get_errno(mq_send(arg1, p, arg3, arg4));
- unlock_user (p, arg2, arg3);
- }
- break;
-
- case TARGET_NR_mq_timedreceive:
- {
- struct timespec ts;
- unsigned int prio;
-
- p = lock_user (VERIFY_READ, arg2, arg3, 1);
- if (arg5 != 0) {
- target_to_host_timespec(&ts, arg5);
- ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
- host_to_target_timespec(arg5, &ts);
- }
- else
- ret = get_errno(mq_receive(arg1, p, arg3, &prio));
- unlock_user (p, arg2, arg3);
- if (arg4 != 0)
- put_user_u32(prio, arg4);
- }
- break;
-
- /* Not implemented for now... */
-/* case TARGET_NR_mq_notify: */
-/* break; */
-
- case TARGET_NR_mq_getsetattr:
- {
- struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
- ret = 0;
- if (arg3 != 0) {
- ret = mq_getattr(arg1, &posix_mq_attr_out);
- copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
- }
- if (arg2 != 0) {
- copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
- ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
- }
-
- }
- break;
-#endif
-
-#ifdef CONFIG_SPLICE
-#ifdef TARGET_NR_tee
- case TARGET_NR_tee:
- {
- ret = get_errno(tee(arg1,arg2,arg3,arg4));
- }
- break;
-#endif
-#ifdef TARGET_NR_splice
- case TARGET_NR_splice:
- {
- loff_t loff_in, loff_out;
- loff_t *ploff_in = NULL, *ploff_out = NULL;
- if (arg2) {
- if (get_user_u64(loff_in, arg2)) {
- goto efault;
- }
- ploff_in = &loff_in;
- }
- if (arg4) {
- if (get_user_u64(loff_out, arg4)) {
- goto efault;
- }
- ploff_out = &loff_out;
- }
- ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
- if (arg2) {
- if (put_user_u64(loff_in, arg2)) {
- goto efault;
- }
- }
- if (arg4) {
- if (put_user_u64(loff_out, arg4)) {
- goto efault;
- }
- }
- }
- break;
-#endif
-#ifdef TARGET_NR_vmsplice
- case TARGET_NR_vmsplice:
- {
- struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
- if (vec != NULL) {
- ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
- unlock_iovec(vec, arg2, arg3, 0);
- } else {
- ret = -host_to_target_errno(errno);
- }
- }
- break;
-#endif
-#endif /* CONFIG_SPLICE */
-#ifdef CONFIG_EVENTFD
-#if defined(TARGET_NR_eventfd)
- case TARGET_NR_eventfd:
- ret = get_errno(eventfd(arg1, 0));
- fd_trans_unregister(ret);
- break;
-#endif
-#if defined(TARGET_NR_eventfd2)
- case TARGET_NR_eventfd2:
- {
- int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
- if (arg2 & TARGET_O_NONBLOCK) {
- host_flags |= O_NONBLOCK;
- }
- if (arg2 & TARGET_O_CLOEXEC) {
- host_flags |= O_CLOEXEC;
- }
- ret = get_errno(eventfd(arg1, host_flags));
- fd_trans_unregister(ret);
- break;
- }
-#endif
-#endif /* CONFIG_EVENTFD */
-#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
- case TARGET_NR_fallocate:
-#if TARGET_ABI_BITS == 32
- ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
- target_offset64(arg5, arg6)));
-#else
- ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
-#endif
- break;
-#endif
-#if defined(CONFIG_SYNC_FILE_RANGE)
-#if defined(TARGET_NR_sync_file_range)
- case TARGET_NR_sync_file_range:
-#if TARGET_ABI_BITS == 32
-#if defined(TARGET_MIPS)
- ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
- target_offset64(arg5, arg6), arg7));
-#else
- ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
- target_offset64(arg4, arg5), arg6));
-#endif /* !TARGET_MIPS */
-#else
- ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
-#endif
- break;
-#endif
-#if defined(TARGET_NR_sync_file_range2)
- case TARGET_NR_sync_file_range2:
- /* This is like sync_file_range but the arguments are reordered */
-#if TARGET_ABI_BITS == 32
- ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
- target_offset64(arg5, arg6), arg2));
-#else
- ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
-#endif
- break;
-#endif
-#endif
-#if defined(TARGET_NR_signalfd4)
- case TARGET_NR_signalfd4:
- ret = do_signalfd4(arg1, arg2, arg4);
- break;
-#endif
-#if defined(TARGET_NR_signalfd)
- case TARGET_NR_signalfd:
- ret = do_signalfd4(arg1, arg2, 0);
- break;
-#endif
-#if defined(CONFIG_EPOLL)
-#if defined(TARGET_NR_epoll_create)
- case TARGET_NR_epoll_create:
- ret = get_errno(epoll_create(arg1));
- break;
-#endif
-#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
- case TARGET_NR_epoll_create1:
- ret = get_errno(epoll_create1(arg1));
- break;
-#endif
-#if defined(TARGET_NR_epoll_ctl)
- case TARGET_NR_epoll_ctl:
- {
- struct epoll_event ep;
- struct epoll_event *epp = 0;
- if (arg4) {
- struct target_epoll_event *target_ep;
- if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
- goto efault;
- }
- ep.events = tswap32(target_ep->events);
- /* The epoll_data_t union is just opaque data to the kernel,
- * so we transfer all 64 bits across and need not worry what
- * actual data type it is.
- */
- ep.data.u64 = tswap64(target_ep->data.u64);
- unlock_user_struct(target_ep, arg4, 0);
- epp = &ep;
- }
- ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
- break;
- }
-#endif
-
-#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
-#define IMPLEMENT_EPOLL_PWAIT
-#endif
-#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
-#if defined(TARGET_NR_epoll_wait)
- case TARGET_NR_epoll_wait:
-#endif
-#if defined(IMPLEMENT_EPOLL_PWAIT)
- case TARGET_NR_epoll_pwait:
-#endif
- {
- struct target_epoll_event *target_ep;
- struct epoll_event *ep;
- int epfd = arg1;
- int maxevents = arg3;
- int timeout = arg4;
-
- target_ep = lock_user(VERIFY_WRITE, arg2,
- maxevents * sizeof(struct target_epoll_event), 1);
- if (!target_ep) {
- goto efault;
- }
-
- ep = alloca(maxevents * sizeof(struct epoll_event));
-
- switch (num) {
-#if defined(IMPLEMENT_EPOLL_PWAIT)
- case TARGET_NR_epoll_pwait:
- {
- target_sigset_t *target_set;
- sigset_t _set, *set = &_set;
-
- if (arg5) {
- target_set = lock_user(VERIFY_READ, arg5,
- sizeof(target_sigset_t), 1);
- if (!target_set) {
- unlock_user(target_ep, arg2, 0);
- goto efault;
- }
- target_to_host_sigset(set, target_set);
- unlock_user(target_set, arg5, 0);
- } else {
- set = NULL;
- }
-
- ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
- break;
- }
-#endif
-#if defined(TARGET_NR_epoll_wait)
- case TARGET_NR_epoll_wait:
- ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
- break;
-#endif
- default:
- ret = -TARGET_ENOSYS;
- }
- if (!is_error(ret)) {
- int i;
- for (i = 0; i < ret; i++) {
- target_ep[i].events = tswap32(ep[i].events);
- target_ep[i].data.u64 = tswap64(ep[i].data.u64);
- }
- }
- unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
- break;
- }
-#endif
-#endif
-#ifdef TARGET_NR_prlimit64
- case TARGET_NR_prlimit64:
- {
- /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
- struct target_rlimit64 *target_rnew, *target_rold;
- struct host_rlimit64 rnew, rold, *rnewp = 0;
- int resource = target_to_host_resource(arg2);
- if (arg3) {
- if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
- goto efault;
- }
- rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
- rnew.rlim_max = tswap64(target_rnew->rlim_max);
- unlock_user_struct(target_rnew, arg3, 0);
- rnewp = &rnew;
- }
-
- ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
- if (!is_error(ret) && arg4) {
- if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
- goto efault;
- }
- target_rold->rlim_cur = tswap64(rold.rlim_cur);
- target_rold->rlim_max = tswap64(rold.rlim_max);
- unlock_user_struct(target_rold, arg4, 1);
- }
- break;
- }
-#endif
-#ifdef TARGET_NR_gethostname
- case TARGET_NR_gethostname:
- {
- char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
- if (name) {
- ret = get_errno(gethostname(name, arg2));
- unlock_user(name, arg1, arg2);
- } else {
- ret = -TARGET_EFAULT;
- }
- break;
- }
-#endif
-#ifdef TARGET_NR_atomic_cmpxchg_32
- case TARGET_NR_atomic_cmpxchg_32:
- {
- /* should use start_exclusive from main.c */
- abi_ulong mem_value;
- if (get_user_u32(mem_value, arg6)) {
- target_siginfo_t info;
- info.si_signo = SIGSEGV;
- info.si_errno = 0;
- info.si_code = TARGET_SEGV_MAPERR;
- info._sifields._sigfault._addr = arg6;
- queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
- ret = 0xdeadbeef;
-
- }
- if (mem_value == arg2)
- put_user_u32(arg1, arg6);
- ret = mem_value;
- break;
- }
-#endif
-#ifdef TARGET_NR_atomic_barrier
- case TARGET_NR_atomic_barrier:
- {
- /* Like the kernel implementation and the qemu arm barrier, no-op this? */
- ret = 0;
- break;
- }
-#endif
-
-#ifdef TARGET_NR_timer_create
- case TARGET_NR_timer_create:
- {
- /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */
-
- struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL;
-
- int clkid = arg1;
- int timer_index = next_free_host_timer();
-
- if (timer_index < 0) {
- ret = -TARGET_EAGAIN;
- } else {
- timer_t *phtimer = g_posix_timers + timer_index;
-
- if (arg2) {
- phost_sevp = &host_sevp;
- ret = target_to_host_sigevent(phost_sevp, arg2);
- if (ret != 0) {
- break;
- }
- }
-
- ret = get_errno(timer_create(clkid, phost_sevp, phtimer));
- if (ret) {
- phtimer = NULL;
- } else {
- if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) {
- goto efault;
- }
- }
- }
- break;
- }
-#endif
-
-#ifdef TARGET_NR_timer_settime
- case TARGET_NR_timer_settime:
- {
- /* args: timer_t timerid, int flags, const struct itimerspec *new_value,
- * struct itimerspec * old_value */
- target_timer_t timerid = get_timer_id(arg1);
-
- if (timerid < 0) {
- ret = timerid;
- } else if (arg3 == 0) {
- ret = -TARGET_EINVAL;
- } else {
- timer_t htimer = g_posix_timers[timerid];
- struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
-
- target_to_host_itimerspec(&hspec_new, arg3);
- ret = get_errno(
- timer_settime(htimer, arg2, &hspec_new, &hspec_old));
- host_to_target_itimerspec(arg2, &hspec_old);
- }
- break;
- }
-#endif
-
-#ifdef TARGET_NR_timer_gettime
- case TARGET_NR_timer_gettime:
- {
- /* args: timer_t timerid, struct itimerspec *curr_value */
- target_timer_t timerid = get_timer_id(arg1);
-
- if (timerid < 0) {
- ret = timerid;
- } else if (!arg2) {
- ret = -TARGET_EFAULT;
- } else {
- timer_t htimer = g_posix_timers[timerid];
- struct itimerspec hspec;
- ret = get_errno(timer_gettime(htimer, &hspec));
-
- if (host_to_target_itimerspec(arg2, &hspec)) {
- ret = -TARGET_EFAULT;
- }
- }
- break;
- }
-#endif
-
-#ifdef TARGET_NR_timer_getoverrun
- case TARGET_NR_timer_getoverrun:
- {
- /* args: timer_t timerid */
- target_timer_t timerid = get_timer_id(arg1);
-
- if (timerid < 0) {
- ret = timerid;
- } else {
- timer_t htimer = g_posix_timers[timerid];
- ret = get_errno(timer_getoverrun(htimer));
- }
- fd_trans_unregister(ret);
- break;
- }
-#endif
-
-#ifdef TARGET_NR_timer_delete
- case TARGET_NR_timer_delete:
- {
- /* args: timer_t timerid */
- target_timer_t timerid = get_timer_id(arg1);
-
- if (timerid < 0) {
- ret = timerid;
- } else {
- timer_t htimer = g_posix_timers[timerid];
- ret = get_errno(timer_delete(htimer));
- g_posix_timers[timerid] = 0;
- }
- break;
- }
-#endif
-
-#if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
- case TARGET_NR_timerfd_create:
- ret = get_errno(timerfd_create(arg1,
- target_to_host_bitmask(arg2, fcntl_flags_tbl)));
- break;
-#endif
-
-#if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)
- case TARGET_NR_timerfd_gettime:
- {
- struct itimerspec its_curr;
-
- ret = get_errno(timerfd_gettime(arg1, &its_curr));
-
- if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) {
- goto efault;
- }
- }
- break;
-#endif
-
-#if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
- case TARGET_NR_timerfd_settime:
- {
- struct itimerspec its_new, its_old, *p_new;
-
- if (arg3) {
- if (target_to_host_itimerspec(&its_new, arg3)) {
- goto efault;
- }
- p_new = &its_new;
- } else {
- p_new = NULL;
- }
-
- ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
-
- if (arg4 && host_to_target_itimerspec(arg4, &its_old)) {
- goto efault;
- }
- }
- break;
-#endif
-
-#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
- case TARGET_NR_ioprio_get:
- ret = get_errno(ioprio_get(arg1, arg2));
- break;
-#endif
-
-#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
- case TARGET_NR_ioprio_set:
- ret = get_errno(ioprio_set(arg1, arg2, arg3));
- break;
-#endif
-
-#if defined(TARGET_NR_setns) && defined(CONFIG_SETNS)
- case TARGET_NR_setns:
- ret = get_errno(setns(arg1, arg2));
- break;
-#endif
-#if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS)
- case TARGET_NR_unshare:
- ret = get_errno(unshare(arg1));
- break;
-#endif
-
- default:
- unimplemented:
- gemu_log("qemu: Unsupported syscall: %d\n", num);
-#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
- unimplemented_nowarn:
-#endif
- ret = -TARGET_ENOSYS;
- break;
- }
-fail:
-#ifdef DEBUG
- gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
-#endif
- if(do_strace)
- print_syscall_ret(num, ret);
- return ret;
-efault:
- ret = -TARGET_EFAULT;
- goto fail;
-}