6fb883e8e3
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@315 c046a42c-6fe2-441c-8c8c-71466251a162
2544 lines
81 KiB
C
2544 lines
81 KiB
C
/*
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* Linux syscalls
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <elf.h>
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#include <endian.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <sys/mount.h>
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#include <sys/resource.h>
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#include <sys/mman.h>
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#include <sys/swap.h>
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#include <signal.h>
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#include <sched.h>
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#include <sys/socket.h>
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#include <sys/uio.h>
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#include <sys/poll.h>
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#include <sys/times.h>
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//#include <sys/user.h>
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#include <netinet/tcp.h>
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#define termios host_termios
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#define winsize host_winsize
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#define termio host_termio
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#define sgttyb host_sgttyb /* same as target */
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#define tchars host_tchars /* same as target */
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#define ltchars host_ltchars /* same as target */
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#include <linux/termios.h>
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#include <linux/unistd.h>
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#include <linux/utsname.h>
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#include <linux/cdrom.h>
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#include <linux/hdreg.h>
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#include <linux/soundcard.h>
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#include <linux/dirent.h>
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#include <linux/kd.h>
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#include "qemu.h"
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//#define DEBUG
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//#include <linux/msdos_fs.h>
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#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
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#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
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#define __NR_sys_uname __NR_uname
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#define __NR_sys_getcwd1 __NR_getcwd
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#define __NR_sys_statfs __NR_statfs
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#define __NR_sys_fstatfs __NR_fstatfs
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#define __NR_sys_getdents __NR_getdents
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#define __NR_sys_getdents64 __NR_getdents64
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#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
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#if defined(__alpha__) || defined (__ia64__)
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#define __NR__llseek __NR_lseek
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#endif
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#ifdef __NR_gettid
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_syscall0(int, gettid)
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#else
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static int gettid(void) {
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return -ENOSYS;
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}
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#endif
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_syscall1(int,sys_uname,struct new_utsname *,buf)
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_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
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_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
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_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
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_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
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loff_t *, res, uint, wh);
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_syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
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_syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
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_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
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#ifdef __NR_exit_group
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_syscall1(int,exit_group,int,error_code)
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#endif
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extern int personality(int);
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extern int flock(int, int);
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extern int setfsuid(int);
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extern int setfsgid(int);
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extern int setresuid(uid_t, uid_t, uid_t);
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extern int getresuid(uid_t *, uid_t *, uid_t *);
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extern int setresgid(gid_t, gid_t, gid_t);
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extern int getresgid(gid_t *, gid_t *, gid_t *);
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extern int setgroups(int, gid_t *);
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static inline long get_errno(long ret)
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{
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if (ret == -1)
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return -errno;
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else
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return ret;
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}
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static inline int is_error(long ret)
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{
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return (unsigned long)ret >= (unsigned long)(-4096);
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}
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static char *target_brk;
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static char *target_original_brk;
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void target_set_brk(char *new_brk)
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{
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target_brk = new_brk;
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target_original_brk = new_brk;
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}
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static long do_brk(char *new_brk)
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{
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char *brk_page;
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long mapped_addr;
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int new_alloc_size;
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if (!new_brk)
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return (long)target_brk;
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if (new_brk < target_original_brk)
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return -ENOMEM;
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brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
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/* If the new brk is less than this, set it and we're done... */
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if (new_brk < brk_page) {
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target_brk = new_brk;
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return (long)target_brk;
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}
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/* We need to allocate more memory after the brk... */
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new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
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mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size,
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PROT_READ|PROT_WRITE,
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MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
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if (is_error(mapped_addr)) {
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return mapped_addr;
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} else {
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target_brk = new_brk;
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return (long)target_brk;
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}
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}
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static inline fd_set *target_to_host_fds(fd_set *fds,
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target_long *target_fds, int n)
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{
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#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
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return (fd_set *)target_fds;
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#else
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int i, b;
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if (target_fds) {
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FD_ZERO(fds);
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for(i = 0;i < n; i++) {
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b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
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(i & (TARGET_LONG_BITS - 1))) & 1;
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if (b)
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FD_SET(i, fds);
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}
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return fds;
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} else {
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return NULL;
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}
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#endif
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}
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static inline void host_to_target_fds(target_long *target_fds,
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fd_set *fds, int n)
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{
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#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
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/* nothing to do */
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#else
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int i, nw, j, k;
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target_long v;
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if (target_fds) {
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nw = n / TARGET_LONG_BITS;
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k = 0;
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for(i = 0;i < nw; i++) {
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v = 0;
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for(j = 0; j < TARGET_LONG_BITS; j++) {
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v |= ((FD_ISSET(k, fds) != 0) << j);
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k++;
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}
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target_fds[i] = tswapl(v);
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}
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}
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#endif
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}
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static inline void host_to_target_rusage(struct target_rusage *target_rusage,
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const struct rusage *rusage)
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{
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target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
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target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
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target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
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target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
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target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
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target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
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target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
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target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
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target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
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target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
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target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
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target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
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target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
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target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
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target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
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target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
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target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
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target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
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}
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static inline void target_to_host_timeval(struct timeval *tv,
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const struct target_timeval *target_tv)
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{
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tv->tv_sec = tswapl(target_tv->tv_sec);
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tv->tv_usec = tswapl(target_tv->tv_usec);
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}
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static inline void host_to_target_timeval(struct target_timeval *target_tv,
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const struct timeval *tv)
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{
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target_tv->tv_sec = tswapl(tv->tv_sec);
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target_tv->tv_usec = tswapl(tv->tv_usec);
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}
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static long do_select(long n,
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target_long *target_rfds, target_long *target_wfds,
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target_long *target_efds, struct target_timeval *target_tv)
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{
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fd_set rfds, wfds, efds;
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fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
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struct timeval tv, *tv_ptr;
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long ret;
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rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
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wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
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efds_ptr = target_to_host_fds(&efds, target_efds, n);
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if (target_tv) {
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target_to_host_timeval(&tv, target_tv);
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tv_ptr = &tv;
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} else {
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tv_ptr = NULL;
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}
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ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
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if (!is_error(ret)) {
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host_to_target_fds(target_rfds, rfds_ptr, n);
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host_to_target_fds(target_wfds, wfds_ptr, n);
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host_to_target_fds(target_efds, efds_ptr, n);
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if (target_tv) {
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host_to_target_timeval(target_tv, &tv);
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}
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}
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return ret;
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}
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static inline void target_to_host_sockaddr(struct sockaddr *addr,
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struct target_sockaddr *target_addr,
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socklen_t len)
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{
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memcpy(addr, target_addr, len);
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addr->sa_family = tswap16(target_addr->sa_family);
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}
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static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
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struct sockaddr *addr,
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socklen_t len)
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{
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memcpy(target_addr, addr, len);
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target_addr->sa_family = tswap16(addr->sa_family);
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}
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static inline void target_to_host_cmsg(struct msghdr *msgh,
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struct target_msghdr *target_msgh)
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{
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struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
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struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
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socklen_t space = 0;
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while (cmsg && target_cmsg) {
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void *data = CMSG_DATA(cmsg);
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void *target_data = TARGET_CMSG_DATA(target_cmsg);
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int len = tswapl(target_cmsg->cmsg_len)
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- TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
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space += CMSG_SPACE(len);
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if (space > msgh->msg_controllen) {
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space -= CMSG_SPACE(len);
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gemu_log("Host cmsg overflow");
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break;
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}
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cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
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cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
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cmsg->cmsg_len = CMSG_LEN(len);
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if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
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gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
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memcpy(data, target_data, len);
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} else {
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int *fd = (int *)data;
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int *target_fd = (int *)target_data;
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int i, numfds = len / sizeof(int);
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for (i = 0; i < numfds; i++)
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fd[i] = tswap32(target_fd[i]);
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}
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cmsg = CMSG_NXTHDR(msgh, cmsg);
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target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
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}
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msgh->msg_controllen = space;
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}
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static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
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struct msghdr *msgh)
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{
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struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
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struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
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socklen_t space = 0;
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while (cmsg && target_cmsg) {
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void *data = CMSG_DATA(cmsg);
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void *target_data = TARGET_CMSG_DATA(target_cmsg);
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int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
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space += TARGET_CMSG_SPACE(len);
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if (space > tswapl(target_msgh->msg_controllen)) {
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space -= TARGET_CMSG_SPACE(len);
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gemu_log("Target cmsg overflow");
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break;
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}
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target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
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target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
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target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
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if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
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gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
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memcpy(target_data, data, len);
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} else {
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int *fd = (int *)data;
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int *target_fd = (int *)target_data;
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int i, numfds = len / sizeof(int);
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for (i = 0; i < numfds; i++)
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target_fd[i] = tswap32(fd[i]);
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}
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cmsg = CMSG_NXTHDR(msgh, cmsg);
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target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
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}
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msgh->msg_controllen = tswapl(space);
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}
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static long do_setsockopt(int sockfd, int level, int optname,
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void *optval, socklen_t optlen)
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{
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if (level == SOL_TCP) {
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/* TCP options all take an 'int' value. */
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int val;
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if (optlen < sizeof(uint32_t))
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return -EINVAL;
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val = tswap32(*(uint32_t *)optval);
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return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
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}
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else if (level != SOL_SOCKET) {
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gemu_log("Unsupported setsockopt level: %d\n", level);
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return -ENOSYS;
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}
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switch (optname) {
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/* Options with 'int' argument. */
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case SO_DEBUG:
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case SO_REUSEADDR:
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case SO_TYPE:
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case SO_ERROR:
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case SO_DONTROUTE:
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case SO_BROADCAST:
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case SO_SNDBUF:
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case SO_RCVBUF:
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case SO_KEEPALIVE:
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case SO_OOBINLINE:
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case SO_NO_CHECK:
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case SO_PRIORITY:
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case SO_BSDCOMPAT:
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case SO_PASSCRED:
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case SO_TIMESTAMP:
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case SO_RCVLOWAT:
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case SO_RCVTIMEO:
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case SO_SNDTIMEO:
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{
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int val;
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if (optlen < sizeof(uint32_t))
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return -EINVAL;
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val = tswap32(*(uint32_t *)optval);
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return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
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}
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default:
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gemu_log("Unsupported setsockopt SOL_SOCKET option: %d\n", optname);
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return -ENOSYS;
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}
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}
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static long do_getsockopt(int sockfd, int level, int optname,
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void *optval, socklen_t *optlen)
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{
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gemu_log("getsockopt not yet supported\n");
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return -ENOSYS;
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}
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|
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static long do_socketcall(int num, int32_t *vptr)
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{
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long ret;
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switch(num) {
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case SOCKOP_socket:
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{
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int domain = tswap32(vptr[0]);
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int type = tswap32(vptr[1]);
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int protocol = tswap32(vptr[2]);
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ret = get_errno(socket(domain, type, protocol));
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}
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break;
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case SOCKOP_bind:
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{
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int sockfd = tswap32(vptr[0]);
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void *target_addr = (void *)tswap32(vptr[1]);
|
|
socklen_t addrlen = tswap32(vptr[2]);
|
|
void *addr = alloca(addrlen);
|
|
|
|
target_to_host_sockaddr(addr, target_addr, addrlen);
|
|
ret = get_errno(bind(sockfd, addr, addrlen));
|
|
}
|
|
break;
|
|
case SOCKOP_connect:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
void *target_addr = (void *)tswap32(vptr[1]);
|
|
socklen_t addrlen = tswap32(vptr[2]);
|
|
void *addr = alloca(addrlen);
|
|
|
|
target_to_host_sockaddr(addr, target_addr, addrlen);
|
|
ret = get_errno(connect(sockfd, addr, addrlen));
|
|
}
|
|
break;
|
|
case SOCKOP_listen:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
int backlog = tswap32(vptr[1]);
|
|
|
|
ret = get_errno(listen(sockfd, backlog));
|
|
}
|
|
break;
|
|
case SOCKOP_accept:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
void *target_addr = (void *)tswap32(vptr[1]);
|
|
uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
|
|
socklen_t addrlen = tswap32(*target_addrlen);
|
|
void *addr = alloca(addrlen);
|
|
|
|
ret = get_errno(accept(sockfd, addr, &addrlen));
|
|
if (!is_error(ret)) {
|
|
host_to_target_sockaddr(target_addr, addr, addrlen);
|
|
*target_addrlen = tswap32(addrlen);
|
|
}
|
|
}
|
|
break;
|
|
case SOCKOP_getsockname:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
void *target_addr = (void *)tswap32(vptr[1]);
|
|
uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
|
|
socklen_t addrlen = tswap32(*target_addrlen);
|
|
void *addr = alloca(addrlen);
|
|
|
|
ret = get_errno(getsockname(sockfd, addr, &addrlen));
|
|
if (!is_error(ret)) {
|
|
host_to_target_sockaddr(target_addr, addr, addrlen);
|
|
*target_addrlen = tswap32(addrlen);
|
|
}
|
|
}
|
|
break;
|
|
case SOCKOP_getpeername:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
void *target_addr = (void *)tswap32(vptr[1]);
|
|
uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
|
|
socklen_t addrlen = tswap32(*target_addrlen);
|
|
void *addr = alloca(addrlen);
|
|
|
|
ret = get_errno(getpeername(sockfd, addr, &addrlen));
|
|
if (!is_error(ret)) {
|
|
host_to_target_sockaddr(target_addr, addr, addrlen);
|
|
*target_addrlen = tswap32(addrlen);
|
|
}
|
|
}
|
|
break;
|
|
case SOCKOP_socketpair:
|
|
{
|
|
int domain = tswap32(vptr[0]);
|
|
int type = tswap32(vptr[1]);
|
|
int protocol = tswap32(vptr[2]);
|
|
int32_t *target_tab = (void *)tswap32(vptr[3]);
|
|
int tab[2];
|
|
|
|
ret = get_errno(socketpair(domain, type, protocol, tab));
|
|
if (!is_error(ret)) {
|
|
target_tab[0] = tswap32(tab[0]);
|
|
target_tab[1] = tswap32(tab[1]);
|
|
}
|
|
}
|
|
break;
|
|
case SOCKOP_send:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
void *msg = (void *)tswap32(vptr[1]);
|
|
size_t len = tswap32(vptr[2]);
|
|
int flags = tswap32(vptr[3]);
|
|
|
|
ret = get_errno(send(sockfd, msg, len, flags));
|
|
}
|
|
break;
|
|
case SOCKOP_recv:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
void *msg = (void *)tswap32(vptr[1]);
|
|
size_t len = tswap32(vptr[2]);
|
|
int flags = tswap32(vptr[3]);
|
|
|
|
ret = get_errno(recv(sockfd, msg, len, flags));
|
|
}
|
|
break;
|
|
case SOCKOP_sendto:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
void *msg = (void *)tswap32(vptr[1]);
|
|
size_t len = tswap32(vptr[2]);
|
|
int flags = tswap32(vptr[3]);
|
|
void *target_addr = (void *)tswap32(vptr[4]);
|
|
socklen_t addrlen = tswap32(vptr[5]);
|
|
void *addr = alloca(addrlen);
|
|
|
|
target_to_host_sockaddr(addr, target_addr, addrlen);
|
|
ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
|
|
}
|
|
break;
|
|
case SOCKOP_recvfrom:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
void *msg = (void *)tswap32(vptr[1]);
|
|
size_t len = tswap32(vptr[2]);
|
|
int flags = tswap32(vptr[3]);
|
|
void *target_addr = (void *)tswap32(vptr[4]);
|
|
uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
|
|
socklen_t addrlen = tswap32(*target_addrlen);
|
|
void *addr = alloca(addrlen);
|
|
|
|
ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
|
|
if (!is_error(ret)) {
|
|
host_to_target_sockaddr(target_addr, addr, addrlen);
|
|
*target_addrlen = tswap32(addrlen);
|
|
}
|
|
}
|
|
break;
|
|
case SOCKOP_shutdown:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
int how = tswap32(vptr[1]);
|
|
|
|
ret = get_errno(shutdown(sockfd, how));
|
|
}
|
|
break;
|
|
case SOCKOP_sendmsg:
|
|
case SOCKOP_recvmsg:
|
|
{
|
|
int fd;
|
|
struct target_msghdr *msgp;
|
|
struct msghdr msg;
|
|
int flags, count, i;
|
|
struct iovec *vec;
|
|
struct target_iovec *target_vec;
|
|
|
|
msgp = (void *)tswap32(vptr[1]);
|
|
msg.msg_name = (void *)tswapl(msgp->msg_name);
|
|
msg.msg_namelen = tswapl(msgp->msg_namelen);
|
|
msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
|
|
msg.msg_control = alloca(msg.msg_controllen);
|
|
msg.msg_flags = tswap32(msgp->msg_flags);
|
|
|
|
count = tswapl(msgp->msg_iovlen);
|
|
vec = alloca(count * sizeof(struct iovec));
|
|
target_vec = (void *)tswapl(msgp->msg_iov);
|
|
for(i = 0;i < count; i++) {
|
|
vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
|
|
vec[i].iov_len = tswapl(target_vec[i].iov_len);
|
|
}
|
|
msg.msg_iovlen = count;
|
|
msg.msg_iov = vec;
|
|
|
|
fd = tswap32(vptr[0]);
|
|
flags = tswap32(vptr[2]);
|
|
if (num == SOCKOP_sendmsg) {
|
|
target_to_host_cmsg(&msg, msgp);
|
|
ret = get_errno(sendmsg(fd, &msg, flags));
|
|
} else {
|
|
ret = get_errno(recvmsg(fd, &msg, flags));
|
|
if (!is_error(ret))
|
|
host_to_target_cmsg(msgp, &msg);
|
|
}
|
|
}
|
|
break;
|
|
case SOCKOP_setsockopt:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
int level = tswap32(vptr[1]);
|
|
int optname = tswap32(vptr[2]);
|
|
void *optval = (void *)tswap32(vptr[3]);
|
|
socklen_t optlen = tswap32(vptr[4]);
|
|
|
|
ret = do_setsockopt(sockfd, level, optname, optval, optlen);
|
|
}
|
|
break;
|
|
case SOCKOP_getsockopt:
|
|
{
|
|
int sockfd = tswap32(vptr[0]);
|
|
int level = tswap32(vptr[1]);
|
|
int optname = tswap32(vptr[2]);
|
|
void *optval = (void *)tswap32(vptr[3]);
|
|
uint32_t *target_len = (void *)tswap32(vptr[4]);
|
|
socklen_t optlen = tswap32(*target_len);
|
|
|
|
ret = do_getsockopt(sockfd, level, optname, optval, &optlen);
|
|
if (!is_error(ret))
|
|
*target_len = tswap32(optlen);
|
|
}
|
|
break;
|
|
default:
|
|
gemu_log("Unsupported socketcall: %d\n", num);
|
|
ret = -ENOSYS;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* kernel structure types definitions */
|
|
#define IFNAMSIZ 16
|
|
|
|
#define STRUCT(name, list...) STRUCT_ ## name,
|
|
#define STRUCT_SPECIAL(name) STRUCT_ ## name,
|
|
enum {
|
|
#include "syscall_types.h"
|
|
};
|
|
#undef STRUCT
|
|
#undef STRUCT_SPECIAL
|
|
|
|
#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
|
|
#define STRUCT_SPECIAL(name)
|
|
#include "syscall_types.h"
|
|
#undef STRUCT
|
|
#undef STRUCT_SPECIAL
|
|
|
|
typedef struct IOCTLEntry {
|
|
unsigned int target_cmd;
|
|
unsigned int host_cmd;
|
|
const char *name;
|
|
int access;
|
|
const argtype arg_type[5];
|
|
} IOCTLEntry;
|
|
|
|
#define IOC_R 0x0001
|
|
#define IOC_W 0x0002
|
|
#define IOC_RW (IOC_R | IOC_W)
|
|
|
|
#define MAX_STRUCT_SIZE 4096
|
|
|
|
IOCTLEntry ioctl_entries[] = {
|
|
#define IOCTL(cmd, access, types...) \
|
|
{ TARGET_ ## cmd, cmd, #cmd, access, { types } },
|
|
#include "ioctls.h"
|
|
{ 0, 0, },
|
|
};
|
|
|
|
static long do_ioctl(long fd, long cmd, long arg)
|
|
{
|
|
const IOCTLEntry *ie;
|
|
const argtype *arg_type;
|
|
long ret;
|
|
uint8_t buf_temp[MAX_STRUCT_SIZE];
|
|
|
|
ie = ioctl_entries;
|
|
for(;;) {
|
|
if (ie->target_cmd == 0) {
|
|
gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
|
|
return -ENOSYS;
|
|
}
|
|
if (ie->target_cmd == cmd)
|
|
break;
|
|
ie++;
|
|
}
|
|
arg_type = ie->arg_type;
|
|
#if defined(DEBUG)
|
|
gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
|
|
#endif
|
|
switch(arg_type[0]) {
|
|
case TYPE_NULL:
|
|
/* no argument */
|
|
ret = get_errno(ioctl(fd, ie->host_cmd));
|
|
break;
|
|
case TYPE_PTRVOID:
|
|
case TYPE_INT:
|
|
/* int argment */
|
|
ret = get_errno(ioctl(fd, ie->host_cmd, arg));
|
|
break;
|
|
case TYPE_PTR:
|
|
arg_type++;
|
|
switch(ie->access) {
|
|
case IOC_R:
|
|
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
|
|
if (!is_error(ret)) {
|
|
thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
|
|
}
|
|
break;
|
|
case IOC_W:
|
|
thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
|
|
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
|
|
break;
|
|
default:
|
|
case IOC_RW:
|
|
thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
|
|
ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
|
|
if (!is_error(ret)) {
|
|
thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
|
|
ret = -ENOSYS;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
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 }
|
|
};
|
|
|
|
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 }
|
|
};
|
|
|
|
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 }
|
|
};
|
|
|
|
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;
|
|
|
|
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;
|
|
|
|
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];
|
|
}
|
|
|
|
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 },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
#if defined(TARGET_I386)
|
|
|
|
/* NOTE: there is really one LDT for all the threads */
|
|
uint8_t *ldt_table;
|
|
|
|
static int read_ldt(void *ptr, unsigned long bytecount)
|
|
{
|
|
int size;
|
|
|
|
if (!ldt_table)
|
|
return 0;
|
|
size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
|
|
if (size > bytecount)
|
|
size = bytecount;
|
|
memcpy(ptr, ldt_table, size);
|
|
return size;
|
|
}
|
|
|
|
/* XXX: add locking support */
|
|
static int write_ldt(CPUX86State *env,
|
|
void *ptr, unsigned long bytecount, int oldmode)
|
|
{
|
|
struct target_modify_ldt_ldt_s ldt_info;
|
|
int seg_32bit, contents, read_exec_only, limit_in_pages;
|
|
int seg_not_present, useable;
|
|
uint32_t *lp, entry_1, entry_2;
|
|
|
|
if (bytecount != sizeof(ldt_info))
|
|
return -EINVAL;
|
|
memcpy(&ldt_info, ptr, sizeof(ldt_info));
|
|
tswap32s(&ldt_info.entry_number);
|
|
tswapls((long *)&ldt_info.base_addr);
|
|
tswap32s(&ldt_info.limit);
|
|
tswap32s(&ldt_info.flags);
|
|
|
|
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
|
|
return -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;
|
|
|
|
if (contents == 3) {
|
|
if (oldmode)
|
|
return -EINVAL;
|
|
if (seg_not_present == 0)
|
|
return -EINVAL;
|
|
}
|
|
/* allocate the LDT */
|
|
if (!ldt_table) {
|
|
ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
|
|
if (!ldt_table)
|
|
return -ENOMEM;
|
|
memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
|
|
env->ldt.base = ldt_table;
|
|
env->ldt.limit = 0xffff;
|
|
}
|
|
|
|
/* 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) |
|
|
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 */
|
|
int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
|
|
{
|
|
int ret = -ENOSYS;
|
|
|
|
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;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#endif /* defined(TARGET_I386) */
|
|
|
|
/* this stack is the equivalent of the kernel stack associated with a
|
|
thread/process */
|
|
#define NEW_STACK_SIZE 8192
|
|
|
|
static int clone_func(void *arg)
|
|
{
|
|
CPUState *env = arg;
|
|
cpu_loop(env);
|
|
/* never exits */
|
|
return 0;
|
|
}
|
|
|
|
int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
|
|
{
|
|
int ret;
|
|
TaskState *ts;
|
|
uint8_t *new_stack;
|
|
CPUState *new_env;
|
|
|
|
if (flags & CLONE_VM) {
|
|
ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
|
|
memset(ts, 0, sizeof(TaskState));
|
|
new_stack = ts->stack;
|
|
ts->used = 1;
|
|
/* add in task state list */
|
|
ts->next = first_task_state;
|
|
first_task_state = ts;
|
|
/* we create a new CPU instance. */
|
|
new_env = cpu_init();
|
|
memcpy(new_env, env, sizeof(CPUState));
|
|
#if defined(TARGET_I386)
|
|
if (!newsp)
|
|
newsp = env->regs[R_ESP];
|
|
new_env->regs[R_ESP] = newsp;
|
|
new_env->regs[R_EAX] = 0;
|
|
#elif defined(TARGET_ARM)
|
|
if (!newsp)
|
|
newsp = env->regs[13];
|
|
new_env->regs[13] = newsp;
|
|
new_env->regs[0] = 0;
|
|
#else
|
|
#error unsupported target CPU
|
|
#endif
|
|
new_env->opaque = ts;
|
|
#ifdef __ia64__
|
|
ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
|
|
#else
|
|
ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
|
|
#endif
|
|
} else {
|
|
/* if no CLONE_VM, we consider it is a fork */
|
|
if ((flags & ~CSIGNAL) != 0)
|
|
return -EINVAL;
|
|
ret = fork();
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static long do_fcntl(int fd, int cmd, unsigned long arg)
|
|
{
|
|
struct flock fl;
|
|
struct target_flock *target_fl = (void *)arg;
|
|
long ret;
|
|
|
|
switch(cmd) {
|
|
case TARGET_F_GETLK:
|
|
ret = fcntl(fd, cmd, &fl);
|
|
if (ret == 0) {
|
|
target_fl->l_type = tswap16(fl.l_type);
|
|
target_fl->l_whence = tswap16(fl.l_whence);
|
|
target_fl->l_start = tswapl(fl.l_start);
|
|
target_fl->l_len = tswapl(fl.l_len);
|
|
target_fl->l_pid = tswapl(fl.l_pid);
|
|
}
|
|
break;
|
|
|
|
case TARGET_F_SETLK:
|
|
case TARGET_F_SETLKW:
|
|
fl.l_type = tswap16(target_fl->l_type);
|
|
fl.l_whence = tswap16(target_fl->l_whence);
|
|
fl.l_start = tswapl(target_fl->l_start);
|
|
fl.l_len = tswapl(target_fl->l_len);
|
|
fl.l_pid = tswapl(target_fl->l_pid);
|
|
ret = fcntl(fd, cmd, &fl);
|
|
break;
|
|
|
|
case TARGET_F_GETLK64:
|
|
case TARGET_F_SETLK64:
|
|
case TARGET_F_SETLKW64:
|
|
ret = -1;
|
|
errno = EINVAL;
|
|
break;
|
|
|
|
default:
|
|
ret = fcntl(fd, cmd, arg);
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
#define high2lowuid(x) (x)
|
|
#define high2lowgid(x) (x)
|
|
#define low2highuid(x) (x)
|
|
#define low2highgid(x) (x)
|
|
|
|
void syscall_init(void)
|
|
{
|
|
IOCTLEntry *ie;
|
|
const argtype *arg_type;
|
|
int size;
|
|
|
|
#define STRUCT(name, list...) 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
|
|
|
|
/* 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)
|
|
if (ie->target_cmd != ie->host_cmd) {
|
|
fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
|
|
ie->target_cmd, ie->host_cmd);
|
|
}
|
|
#endif
|
|
ie++;
|
|
}
|
|
}
|
|
|
|
long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
|
|
long arg4, long arg5, long arg6)
|
|
{
|
|
long ret;
|
|
struct stat st;
|
|
struct kernel_statfs *stfs;
|
|
|
|
#ifdef DEBUG
|
|
gemu_log("syscall %d\n", num);
|
|
#endif
|
|
switch(num) {
|
|
case TARGET_NR_exit:
|
|
#ifdef HAVE_GPROF
|
|
_mcleanup();
|
|
#endif
|
|
/* XXX: should free thread stack and CPU env */
|
|
_exit(arg1);
|
|
ret = 0; /* avoid warning */
|
|
break;
|
|
case TARGET_NR_read:
|
|
page_unprotect_range((void *)arg2, arg3);
|
|
ret = get_errno(read(arg1, (void *)arg2, arg3));
|
|
break;
|
|
case TARGET_NR_write:
|
|
ret = get_errno(write(arg1, (void *)arg2, arg3));
|
|
break;
|
|
case TARGET_NR_open:
|
|
ret = get_errno(open(path((const char *)arg1), arg2, arg3));
|
|
break;
|
|
case TARGET_NR_close:
|
|
ret = get_errno(close(arg1));
|
|
break;
|
|
case TARGET_NR_brk:
|
|
ret = do_brk((char *)arg1);
|
|
break;
|
|
case TARGET_NR_fork:
|
|
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
|
|
break;
|
|
case TARGET_NR_waitpid:
|
|
{
|
|
int *status = (int *)arg2;
|
|
ret = get_errno(waitpid(arg1, status, arg3));
|
|
if (!is_error(ret) && status)
|
|
tswapls((long *)&status);
|
|
}
|
|
break;
|
|
case TARGET_NR_creat:
|
|
ret = get_errno(creat((const char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_link:
|
|
ret = get_errno(link((const char *)arg1, (const char *)arg2));
|
|
break;
|
|
case TARGET_NR_unlink:
|
|
ret = get_errno(unlink((const char *)arg1));
|
|
break;
|
|
case TARGET_NR_execve:
|
|
{
|
|
char **argp, **envp;
|
|
int argc, envc;
|
|
uint32_t *p;
|
|
char **q;
|
|
|
|
argc = 0;
|
|
for (p = (void *)arg2; *p; p++)
|
|
argc++;
|
|
envc = 0;
|
|
for (p = (void *)arg3; *p; p++)
|
|
envc++;
|
|
|
|
argp = alloca((argc + 1) * sizeof(void *));
|
|
envp = alloca((envc + 1) * sizeof(void *));
|
|
|
|
for (p = (void *)arg2, q = argp; *p; p++, q++)
|
|
*q = (void *)tswap32(*p);
|
|
*q = NULL;
|
|
|
|
for (p = (void *)arg3, q = envp; *p; p++, q++)
|
|
*q = (void *)tswap32(*p);
|
|
*q = NULL;
|
|
|
|
ret = get_errno(execve((const char *)arg1, argp, envp));
|
|
}
|
|
break;
|
|
case TARGET_NR_chdir:
|
|
ret = get_errno(chdir((const char *)arg1));
|
|
break;
|
|
case TARGET_NR_time:
|
|
{
|
|
int *time_ptr = (int *)arg1;
|
|
ret = get_errno(time((time_t *)time_ptr));
|
|
if (!is_error(ret) && time_ptr)
|
|
tswap32s(time_ptr);
|
|
}
|
|
break;
|
|
case TARGET_NR_mknod:
|
|
ret = get_errno(mknod((const char *)arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_chmod:
|
|
ret = get_errno(chmod((const char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_lchown:
|
|
ret = get_errno(chown((const char *)arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_break:
|
|
goto unimplemented;
|
|
case TARGET_NR_oldstat:
|
|
goto unimplemented;
|
|
case TARGET_NR_lseek:
|
|
ret = get_errno(lseek(arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_getpid:
|
|
ret = get_errno(getpid());
|
|
break;
|
|
case TARGET_NR_mount:
|
|
/* need to look at the data field */
|
|
goto unimplemented;
|
|
case TARGET_NR_umount:
|
|
ret = get_errno(umount((const char *)arg1));
|
|
break;
|
|
case TARGET_NR_setuid:
|
|
ret = get_errno(setuid(low2highuid(arg1)));
|
|
break;
|
|
case TARGET_NR_getuid:
|
|
ret = get_errno(getuid());
|
|
break;
|
|
case TARGET_NR_stime:
|
|
{
|
|
int *time_ptr = (int *)arg1;
|
|
if (time_ptr)
|
|
tswap32s(time_ptr);
|
|
ret = get_errno(stime((time_t *)time_ptr));
|
|
}
|
|
break;
|
|
case TARGET_NR_ptrace:
|
|
goto unimplemented;
|
|
case TARGET_NR_alarm:
|
|
ret = alarm(arg1);
|
|
break;
|
|
case TARGET_NR_oldfstat:
|
|
goto unimplemented;
|
|
case TARGET_NR_pause:
|
|
ret = get_errno(pause());
|
|
break;
|
|
case TARGET_NR_utime:
|
|
goto unimplemented;
|
|
case TARGET_NR_stty:
|
|
goto unimplemented;
|
|
case TARGET_NR_gtty:
|
|
goto unimplemented;
|
|
case TARGET_NR_access:
|
|
ret = get_errno(access((const char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_nice:
|
|
ret = get_errno(nice(arg1));
|
|
break;
|
|
case TARGET_NR_ftime:
|
|
goto unimplemented;
|
|
case TARGET_NR_sync:
|
|
sync();
|
|
ret = 0;
|
|
break;
|
|
case TARGET_NR_kill:
|
|
ret = get_errno(kill(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_rename:
|
|
ret = get_errno(rename((const char *)arg1, (const char *)arg2));
|
|
break;
|
|
case TARGET_NR_mkdir:
|
|
ret = get_errno(mkdir((const char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_rmdir:
|
|
ret = get_errno(rmdir((const char *)arg1));
|
|
break;
|
|
case TARGET_NR_dup:
|
|
ret = get_errno(dup(arg1));
|
|
break;
|
|
case TARGET_NR_pipe:
|
|
{
|
|
int *pipe_ptr = (int *)arg1;
|
|
ret = get_errno(pipe(pipe_ptr));
|
|
if (!is_error(ret)) {
|
|
tswap32s(&pipe_ptr[0]);
|
|
tswap32s(&pipe_ptr[1]);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_times:
|
|
{
|
|
struct target_tms *tmsp = (void *)arg1;
|
|
struct tms tms;
|
|
ret = get_errno(times(&tms));
|
|
if (tmsp) {
|
|
tmsp->tms_utime = tswapl(tms.tms_utime);
|
|
tmsp->tms_stime = tswapl(tms.tms_stime);
|
|
tmsp->tms_cutime = tswapl(tms.tms_cutime);
|
|
tmsp->tms_cstime = tswapl(tms.tms_cstime);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_prof:
|
|
goto unimplemented;
|
|
case TARGET_NR_setgid:
|
|
ret = get_errno(setgid(low2highgid(arg1)));
|
|
break;
|
|
case TARGET_NR_getgid:
|
|
ret = get_errno(getgid());
|
|
break;
|
|
case TARGET_NR_signal:
|
|
goto unimplemented;
|
|
case TARGET_NR_geteuid:
|
|
ret = get_errno(geteuid());
|
|
break;
|
|
case TARGET_NR_getegid:
|
|
ret = get_errno(getegid());
|
|
break;
|
|
case TARGET_NR_acct:
|
|
goto unimplemented;
|
|
case TARGET_NR_umount2:
|
|
ret = get_errno(umount2((const char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_lock:
|
|
goto unimplemented;
|
|
case TARGET_NR_ioctl:
|
|
ret = do_ioctl(arg1, arg2, arg3);
|
|
break;
|
|
case TARGET_NR_fcntl:
|
|
ret = get_errno(do_fcntl(arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_mpx:
|
|
goto unimplemented;
|
|
case TARGET_NR_setpgid:
|
|
ret = get_errno(setpgid(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_ulimit:
|
|
goto unimplemented;
|
|
case TARGET_NR_oldolduname:
|
|
goto unimplemented;
|
|
case TARGET_NR_umask:
|
|
ret = get_errno(umask(arg1));
|
|
break;
|
|
case TARGET_NR_chroot:
|
|
ret = get_errno(chroot((const char *)arg1));
|
|
break;
|
|
case TARGET_NR_ustat:
|
|
goto unimplemented;
|
|
case TARGET_NR_dup2:
|
|
ret = get_errno(dup2(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_getppid:
|
|
ret = get_errno(getppid());
|
|
break;
|
|
case TARGET_NR_getpgrp:
|
|
ret = get_errno(getpgrp());
|
|
break;
|
|
case TARGET_NR_setsid:
|
|
ret = get_errno(setsid());
|
|
break;
|
|
case TARGET_NR_sigaction:
|
|
{
|
|
struct target_old_sigaction *old_act = (void *)arg2;
|
|
struct target_old_sigaction *old_oact = (void *)arg3;
|
|
struct target_sigaction act, oact, *pact;
|
|
if (old_act) {
|
|
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;
|
|
pact = &act;
|
|
} else {
|
|
pact = NULL;
|
|
}
|
|
ret = get_errno(do_sigaction(arg1, pact, &oact));
|
|
if (!is_error(ret) && old_oact) {
|
|
old_oact->_sa_handler = oact._sa_handler;
|
|
old_oact->sa_mask = oact.sa_mask.sig[0];
|
|
old_oact->sa_flags = oact.sa_flags;
|
|
old_oact->sa_restorer = oact.sa_restorer;
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_rt_sigaction:
|
|
ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
|
|
break;
|
|
case TARGET_NR_sgetmask:
|
|
{
|
|
sigset_t cur_set;
|
|
target_ulong target_set;
|
|
sigprocmask(0, NULL, &cur_set);
|
|
host_to_target_old_sigset(&target_set, &cur_set);
|
|
ret = target_set;
|
|
}
|
|
break;
|
|
case TARGET_NR_ssetmask:
|
|
{
|
|
sigset_t set, oset, cur_set;
|
|
target_ulong target_set = arg1;
|
|
sigprocmask(0, NULL, &cur_set);
|
|
target_to_host_old_sigset(&set, &target_set);
|
|
sigorset(&set, &set, &cur_set);
|
|
sigprocmask(SIG_SETMASK, &set, &oset);
|
|
host_to_target_old_sigset(&target_set, &oset);
|
|
ret = target_set;
|
|
}
|
|
break;
|
|
case TARGET_NR_sigprocmask:
|
|
{
|
|
int how = arg1;
|
|
sigset_t set, oldset, *set_ptr;
|
|
target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
|
|
|
|
if (pset) {
|
|
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 = -EINVAL;
|
|
goto fail;
|
|
}
|
|
target_to_host_old_sigset(&set, pset);
|
|
set_ptr = &set;
|
|
} else {
|
|
how = 0;
|
|
set_ptr = NULL;
|
|
}
|
|
ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
|
|
if (!is_error(ret) && poldset) {
|
|
host_to_target_old_sigset(poldset, &oldset);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_rt_sigprocmask:
|
|
{
|
|
int how = arg1;
|
|
sigset_t set, oldset, *set_ptr;
|
|
target_sigset_t *pset = (void *)arg2;
|
|
target_sigset_t *poldset = (void *)arg3;
|
|
|
|
if (pset) {
|
|
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 = -EINVAL;
|
|
goto fail;
|
|
}
|
|
target_to_host_sigset(&set, pset);
|
|
set_ptr = &set;
|
|
} else {
|
|
how = 0;
|
|
set_ptr = NULL;
|
|
}
|
|
ret = get_errno(sigprocmask(how, set_ptr, &oldset));
|
|
if (!is_error(ret) && poldset) {
|
|
host_to_target_sigset(poldset, &oldset);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_sigpending:
|
|
{
|
|
sigset_t set;
|
|
ret = get_errno(sigpending(&set));
|
|
if (!is_error(ret)) {
|
|
host_to_target_old_sigset((target_ulong *)arg1, &set);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_rt_sigpending:
|
|
{
|
|
sigset_t set;
|
|
ret = get_errno(sigpending(&set));
|
|
if (!is_error(ret)) {
|
|
host_to_target_sigset((target_sigset_t *)arg1, &set);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_sigsuspend:
|
|
{
|
|
sigset_t set;
|
|
target_to_host_old_sigset(&set, (target_ulong *)arg1);
|
|
ret = get_errno(sigsuspend(&set));
|
|
}
|
|
break;
|
|
case TARGET_NR_rt_sigsuspend:
|
|
{
|
|
sigset_t set;
|
|
target_to_host_sigset(&set, (target_sigset_t *)arg1);
|
|
ret = get_errno(sigsuspend(&set));
|
|
}
|
|
break;
|
|
case TARGET_NR_rt_sigtimedwait:
|
|
{
|
|
target_sigset_t *target_set = (void *)arg1;
|
|
target_siginfo_t *target_uinfo = (void *)arg2;
|
|
struct target_timespec *target_uts = (void *)arg3;
|
|
sigset_t set;
|
|
struct timespec uts, *puts;
|
|
siginfo_t uinfo;
|
|
|
|
target_to_host_sigset(&set, target_set);
|
|
if (target_uts) {
|
|
puts = &uts;
|
|
puts->tv_sec = tswapl(target_uts->tv_sec);
|
|
puts->tv_nsec = tswapl(target_uts->tv_nsec);
|
|
} else {
|
|
puts = NULL;
|
|
}
|
|
ret = get_errno(sigtimedwait(&set, &uinfo, puts));
|
|
if (!is_error(ret) && target_uinfo) {
|
|
host_to_target_siginfo(target_uinfo, &uinfo);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_rt_sigqueueinfo:
|
|
{
|
|
siginfo_t uinfo;
|
|
target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
|
|
ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
|
|
}
|
|
break;
|
|
case TARGET_NR_sigreturn:
|
|
/* NOTE: ret is eax, so not transcoding must be done */
|
|
ret = do_sigreturn(cpu_env);
|
|
break;
|
|
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_setreuid:
|
|
ret = get_errno(setreuid(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_setregid:
|
|
ret = get_errno(setregid(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_sethostname:
|
|
ret = get_errno(sethostname((const char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_setrlimit:
|
|
{
|
|
/* XXX: convert resource ? */
|
|
int resource = arg1;
|
|
struct target_rlimit *target_rlim = (void *)arg2;
|
|
struct rlimit rlim;
|
|
rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
|
|
rlim.rlim_max = tswapl(target_rlim->rlim_max);
|
|
ret = get_errno(setrlimit(resource, &rlim));
|
|
}
|
|
break;
|
|
case TARGET_NR_getrlimit:
|
|
{
|
|
/* XXX: convert resource ? */
|
|
int resource = arg1;
|
|
struct target_rlimit *target_rlim = (void *)arg2;
|
|
struct rlimit rlim;
|
|
|
|
ret = get_errno(getrlimit(resource, &rlim));
|
|
if (!is_error(ret)) {
|
|
target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
|
|
target_rlim->rlim_max = tswapl(rlim.rlim_max);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_getrusage:
|
|
{
|
|
struct rusage rusage;
|
|
struct target_rusage *target_rusage = (void *)arg2;
|
|
ret = get_errno(getrusage(arg1, &rusage));
|
|
if (!is_error(ret)) {
|
|
host_to_target_rusage(target_rusage, &rusage);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_gettimeofday:
|
|
{
|
|
struct target_timeval *target_tv = (void *)arg1;
|
|
struct timeval tv;
|
|
ret = get_errno(gettimeofday(&tv, NULL));
|
|
if (!is_error(ret)) {
|
|
host_to_target_timeval(target_tv, &tv);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_settimeofday:
|
|
{
|
|
struct target_timeval *target_tv = (void *)arg1;
|
|
struct timeval tv;
|
|
target_to_host_timeval(&tv, target_tv);
|
|
ret = get_errno(settimeofday(&tv, NULL));
|
|
}
|
|
break;
|
|
case TARGET_NR_getgroups:
|
|
{
|
|
int gidsetsize = arg1;
|
|
uint16_t *target_grouplist = (void *)arg2;
|
|
gid_t *grouplist;
|
|
int i;
|
|
|
|
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
|
ret = get_errno(getgroups(gidsetsize, grouplist));
|
|
if (!is_error(ret)) {
|
|
for(i = 0;i < gidsetsize; i++)
|
|
target_grouplist[i] = tswap16(grouplist[i]);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_setgroups:
|
|
{
|
|
int gidsetsize = arg1;
|
|
uint16_t *target_grouplist = (void *)arg2;
|
|
gid_t *grouplist;
|
|
int i;
|
|
|
|
grouplist = alloca(gidsetsize * sizeof(gid_t));
|
|
for(i = 0;i < gidsetsize; i++)
|
|
grouplist[i] = tswap16(target_grouplist[i]);
|
|
ret = get_errno(setgroups(gidsetsize, grouplist));
|
|
}
|
|
break;
|
|
case TARGET_NR_select:
|
|
{
|
|
struct target_sel_arg_struct *sel = (void *)arg1;
|
|
sel->n = tswapl(sel->n);
|
|
sel->inp = tswapl(sel->inp);
|
|
sel->outp = tswapl(sel->outp);
|
|
sel->exp = tswapl(sel->exp);
|
|
sel->tvp = tswapl(sel->tvp);
|
|
ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp,
|
|
(void *)sel->exp, (void *)sel->tvp);
|
|
}
|
|
break;
|
|
case TARGET_NR_symlink:
|
|
ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
|
|
break;
|
|
case TARGET_NR_oldlstat:
|
|
goto unimplemented;
|
|
case TARGET_NR_readlink:
|
|
ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
|
|
break;
|
|
case TARGET_NR_uselib:
|
|
goto unimplemented;
|
|
case TARGET_NR_swapon:
|
|
ret = get_errno(swapon((const char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_reboot:
|
|
goto unimplemented;
|
|
case TARGET_NR_readdir:
|
|
goto unimplemented;
|
|
case TARGET_NR_mmap:
|
|
#if defined(TARGET_I386) || defined(TARGET_ARM)
|
|
{
|
|
uint32_t v1, v2, v3, v4, v5, v6, *vptr;
|
|
vptr = (uint32_t *)arg1;
|
|
v1 = tswap32(vptr[0]);
|
|
v2 = tswap32(vptr[1]);
|
|
v3 = tswap32(vptr[2]);
|
|
v4 = tswap32(vptr[3]);
|
|
v5 = tswap32(vptr[4]);
|
|
v6 = tswap32(vptr[5]);
|
|
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;
|
|
case TARGET_NR_mmap2:
|
|
ret = get_errno(target_mmap(arg1, arg2, arg3,
|
|
target_to_host_bitmask(arg4, mmap_flags_tbl),
|
|
arg5,
|
|
arg6 << TARGET_PAGE_BITS));
|
|
break;
|
|
case TARGET_NR_munmap:
|
|
ret = get_errno(target_munmap(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_mprotect:
|
|
ret = get_errno(target_mprotect(arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_mremap:
|
|
ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
|
|
break;
|
|
case TARGET_NR_msync:
|
|
ret = get_errno(msync((void *)arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_mlock:
|
|
ret = get_errno(mlock((void *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_munlock:
|
|
ret = get_errno(munlock((void *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_mlockall:
|
|
ret = get_errno(mlockall(arg1));
|
|
break;
|
|
case TARGET_NR_munlockall:
|
|
ret = get_errno(munlockall());
|
|
break;
|
|
case TARGET_NR_truncate:
|
|
ret = get_errno(truncate((const char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_ftruncate:
|
|
ret = get_errno(ftruncate(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_fchmod:
|
|
ret = get_errno(fchmod(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_fchown:
|
|
ret = get_errno(fchown(arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_getpriority:
|
|
ret = get_errno(getpriority(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_setpriority:
|
|
ret = get_errno(setpriority(arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_profil:
|
|
goto unimplemented;
|
|
case TARGET_NR_statfs:
|
|
stfs = (void *)arg2;
|
|
ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
|
|
convert_statfs:
|
|
if (!is_error(ret)) {
|
|
tswap32s(&stfs->f_type);
|
|
tswap32s(&stfs->f_bsize);
|
|
tswap32s(&stfs->f_blocks);
|
|
tswap32s(&stfs->f_bfree);
|
|
tswap32s(&stfs->f_bavail);
|
|
tswap32s(&stfs->f_files);
|
|
tswap32s(&stfs->f_ffree);
|
|
tswap32s(&stfs->f_fsid.val[0]);
|
|
tswap32s(&stfs->f_fsid.val[1]);
|
|
tswap32s(&stfs->f_namelen);
|
|
}
|
|
break;
|
|
case TARGET_NR_fstatfs:
|
|
stfs = (void *)arg2;
|
|
ret = get_errno(sys_fstatfs(arg1, stfs));
|
|
goto convert_statfs;
|
|
case TARGET_NR_ioperm:
|
|
goto unimplemented;
|
|
case TARGET_NR_socketcall:
|
|
ret = do_socketcall(arg1, (int32_t *)arg2);
|
|
break;
|
|
case TARGET_NR_syslog:
|
|
goto unimplemented;
|
|
case TARGET_NR_setitimer:
|
|
{
|
|
struct target_itimerval *target_value = (void *)arg2;
|
|
struct target_itimerval *target_ovalue = (void *)arg3;
|
|
struct itimerval value, ovalue, *pvalue;
|
|
|
|
if (target_value) {
|
|
pvalue = &value;
|
|
target_to_host_timeval(&pvalue->it_interval,
|
|
&target_value->it_interval);
|
|
target_to_host_timeval(&pvalue->it_value,
|
|
&target_value->it_value);
|
|
} else {
|
|
pvalue = NULL;
|
|
}
|
|
ret = get_errno(setitimer(arg1, pvalue, &ovalue));
|
|
if (!is_error(ret) && target_ovalue) {
|
|
host_to_target_timeval(&target_ovalue->it_interval,
|
|
&ovalue.it_interval);
|
|
host_to_target_timeval(&target_ovalue->it_value,
|
|
&ovalue.it_value);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_getitimer:
|
|
{
|
|
struct target_itimerval *target_value = (void *)arg2;
|
|
struct itimerval value;
|
|
|
|
ret = get_errno(getitimer(arg1, &value));
|
|
if (!is_error(ret) && target_value) {
|
|
host_to_target_timeval(&target_value->it_interval,
|
|
&value.it_interval);
|
|
host_to_target_timeval(&target_value->it_value,
|
|
&value.it_value);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_stat:
|
|
ret = get_errno(stat(path((const char *)arg1), &st));
|
|
goto do_stat;
|
|
case TARGET_NR_lstat:
|
|
ret = get_errno(lstat(path((const char *)arg1), &st));
|
|
goto do_stat;
|
|
case TARGET_NR_fstat:
|
|
{
|
|
ret = get_errno(fstat(arg1, &st));
|
|
do_stat:
|
|
if (!is_error(ret)) {
|
|
struct target_stat *target_st = (void *)arg2;
|
|
target_st->st_dev = tswap16(st.st_dev);
|
|
target_st->st_ino = tswapl(st.st_ino);
|
|
target_st->st_mode = tswap16(st.st_mode);
|
|
target_st->st_nlink = tswap16(st.st_nlink);
|
|
target_st->st_uid = tswap16(st.st_uid);
|
|
target_st->st_gid = tswap16(st.st_gid);
|
|
target_st->st_rdev = tswap16(st.st_rdev);
|
|
target_st->st_size = tswapl(st.st_size);
|
|
target_st->st_blksize = tswapl(st.st_blksize);
|
|
target_st->st_blocks = tswapl(st.st_blocks);
|
|
target_st->target_st_atime = tswapl(st.st_atime);
|
|
target_st->target_st_mtime = tswapl(st.st_mtime);
|
|
target_st->target_st_ctime = tswapl(st.st_ctime);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_olduname:
|
|
goto unimplemented;
|
|
case TARGET_NR_iopl:
|
|
goto unimplemented;
|
|
case TARGET_NR_vhangup:
|
|
ret = get_errno(vhangup());
|
|
break;
|
|
case TARGET_NR_idle:
|
|
goto unimplemented;
|
|
case TARGET_NR_wait4:
|
|
{
|
|
int status;
|
|
target_long *status_ptr = (void *)arg2;
|
|
struct rusage rusage, *rusage_ptr;
|
|
struct target_rusage *target_rusage = (void *)arg4;
|
|
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)
|
|
*status_ptr = tswap32(status);
|
|
if (target_rusage) {
|
|
host_to_target_rusage(target_rusage, &rusage);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_swapoff:
|
|
ret = get_errno(swapoff((const char *)arg1));
|
|
break;
|
|
case TARGET_NR_sysinfo:
|
|
goto unimplemented;
|
|
case TARGET_NR_ipc:
|
|
goto unimplemented;
|
|
case TARGET_NR_fsync:
|
|
ret = get_errno(fsync(arg1));
|
|
break;
|
|
case TARGET_NR_clone:
|
|
ret = get_errno(do_fork(cpu_env, arg1, arg2));
|
|
break;
|
|
#ifdef __NR_exit_group
|
|
/* new thread calls */
|
|
case TARGET_NR_exit_group:
|
|
ret = get_errno(exit_group(arg1));
|
|
break;
|
|
#endif
|
|
case TARGET_NR_setdomainname:
|
|
ret = get_errno(setdomainname((const char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_uname:
|
|
/* no need to transcode because we use the linux syscall */
|
|
ret = get_errno(sys_uname((struct new_utsname *)arg1));
|
|
break;
|
|
#ifdef TARGET_I386
|
|
case TARGET_NR_modify_ldt:
|
|
ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
|
|
break;
|
|
case TARGET_NR_vm86old:
|
|
goto unimplemented;
|
|
case TARGET_NR_vm86:
|
|
ret = do_vm86(cpu_env, arg1, (void *)arg2);
|
|
break;
|
|
#endif
|
|
case TARGET_NR_adjtimex:
|
|
goto unimplemented;
|
|
case TARGET_NR_create_module:
|
|
case TARGET_NR_init_module:
|
|
case TARGET_NR_delete_module:
|
|
case TARGET_NR_get_kernel_syms:
|
|
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;
|
|
case TARGET_NR_bdflush:
|
|
goto unimplemented;
|
|
case TARGET_NR_sysfs:
|
|
goto unimplemented;
|
|
case TARGET_NR_personality:
|
|
ret = get_errno(personality(arg1));
|
|
break;
|
|
case TARGET_NR_afs_syscall:
|
|
goto unimplemented;
|
|
case TARGET_NR_setfsuid:
|
|
ret = get_errno(setfsuid(arg1));
|
|
break;
|
|
case TARGET_NR_setfsgid:
|
|
ret = get_errno(setfsgid(arg1));
|
|
break;
|
|
case TARGET_NR__llseek:
|
|
{
|
|
int64_t res;
|
|
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
|
|
*(int64_t *)arg4 = tswap64(res);
|
|
}
|
|
break;
|
|
case TARGET_NR_getdents:
|
|
#if TARGET_LONG_SIZE != 4
|
|
#error not supported
|
|
#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
|
|
{
|
|
struct target_dirent *target_dirp = (void *)arg2;
|
|
struct dirent *dirp;
|
|
long count = arg3;
|
|
|
|
dirp = malloc(count);
|
|
if (!dirp)
|
|
return -ENOMEM;
|
|
|
|
ret = get_errno(sys_getdents(arg1, dirp, count));
|
|
if (!is_error(ret)) {
|
|
struct dirent *de;
|
|
struct target_dirent *tde;
|
|
int len = ret;
|
|
int reclen, treclen;
|
|
int count1, tnamelen;
|
|
|
|
count1 = 0;
|
|
de = dirp;
|
|
tde = target_dirp;
|
|
while (len > 0) {
|
|
reclen = de->d_reclen;
|
|
treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
|
|
tde->d_reclen = tswap16(treclen);
|
|
tde->d_ino = tswapl(de->d_ino);
|
|
tde->d_off = tswapl(de->d_off);
|
|
tnamelen = treclen - (2 * sizeof(target_long) + 2);
|
|
if (tnamelen > 256)
|
|
tnamelen = 256;
|
|
strncpy(tde->d_name, de->d_name, tnamelen);
|
|
de = (struct dirent *)((char *)de + reclen);
|
|
len -= reclen;
|
|
tde = (struct dirent *)((char *)tde + treclen);
|
|
count1 += treclen;
|
|
}
|
|
ret = count1;
|
|
}
|
|
free(dirp);
|
|
}
|
|
#else
|
|
{
|
|
struct dirent *dirp = (void *)arg2;
|
|
long count = arg3;
|
|
|
|
ret = get_errno(sys_getdents(arg1, dirp, count));
|
|
if (!is_error(ret)) {
|
|
struct 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 dirent *)((char *)de + reclen);
|
|
len -= reclen;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
break;
|
|
case TARGET_NR_getdents64:
|
|
{
|
|
struct dirent64 *dirp = (void *)arg2;
|
|
long count = arg3;
|
|
ret = get_errno(sys_getdents64(arg1, dirp, count));
|
|
if (!is_error(ret)) {
|
|
struct 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(&de->d_ino);
|
|
tswap64s(&de->d_off);
|
|
de = (struct dirent64 *)((char *)de + reclen);
|
|
len -= reclen;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR__newselect:
|
|
ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
|
|
(void *)arg5);
|
|
break;
|
|
case TARGET_NR_poll:
|
|
{
|
|
struct target_pollfd *target_pfd = (void *)arg1;
|
|
unsigned int nfds = arg2;
|
|
int timeout = arg3;
|
|
struct pollfd *pfd;
|
|
unsigned int i;
|
|
|
|
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);
|
|
}
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
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:
|
|
{
|
|
int count = arg3;
|
|
int i;
|
|
struct iovec *vec;
|
|
struct target_iovec *target_vec = (void *)arg2;
|
|
|
|
vec = alloca(count * sizeof(struct iovec));
|
|
for(i = 0;i < count; i++) {
|
|
vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
|
|
vec[i].iov_len = tswapl(target_vec[i].iov_len);
|
|
}
|
|
ret = get_errno(readv(arg1, vec, count));
|
|
}
|
|
break;
|
|
case TARGET_NR_writev:
|
|
{
|
|
int count = arg3;
|
|
int i;
|
|
struct iovec *vec;
|
|
struct target_iovec *target_vec = (void *)arg2;
|
|
|
|
vec = alloca(count * sizeof(struct iovec));
|
|
for(i = 0;i < count; i++) {
|
|
vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
|
|
vec[i].iov_len = tswapl(target_vec[i].iov_len);
|
|
}
|
|
ret = get_errno(writev(arg1, vec, count));
|
|
}
|
|
break;
|
|
case TARGET_NR_getsid:
|
|
ret = get_errno(getsid(arg1));
|
|
break;
|
|
case TARGET_NR_fdatasync:
|
|
ret = get_errno(fdatasync(arg1));
|
|
break;
|
|
case TARGET_NR__sysctl:
|
|
goto unimplemented;
|
|
case TARGET_NR_sched_setparam:
|
|
{
|
|
struct sched_param *target_schp = (void *)arg2;
|
|
struct sched_param schp;
|
|
schp.sched_priority = tswap32(target_schp->sched_priority);
|
|
ret = get_errno(sched_setparam(arg1, &schp));
|
|
}
|
|
break;
|
|
case TARGET_NR_sched_getparam:
|
|
{
|
|
struct sched_param *target_schp = (void *)arg2;
|
|
struct sched_param schp;
|
|
ret = get_errno(sched_getparam(arg1, &schp));
|
|
if (!is_error(ret)) {
|
|
target_schp->sched_priority = tswap32(schp.sched_priority);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_sched_setscheduler:
|
|
{
|
|
struct sched_param *target_schp = (void *)arg3;
|
|
struct sched_param schp;
|
|
schp.sched_priority = tswap32(target_schp->sched_priority);
|
|
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 target_timespec *target_ts = (void *)arg2;
|
|
struct timespec ts;
|
|
ret = get_errno(sched_rr_get_interval(arg1, &ts));
|
|
if (!is_error(ret)) {
|
|
target_ts->tv_sec = tswapl(ts.tv_sec);
|
|
target_ts->tv_nsec = tswapl(ts.tv_nsec);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_nanosleep:
|
|
{
|
|
struct target_timespec *target_req = (void *)arg1;
|
|
struct target_timespec *target_rem = (void *)arg2;
|
|
struct timespec req, rem;
|
|
req.tv_sec = tswapl(target_req->tv_sec);
|
|
req.tv_nsec = tswapl(target_req->tv_nsec);
|
|
ret = get_errno(nanosleep(&req, &rem));
|
|
if (target_rem) {
|
|
target_rem->tv_sec = tswapl(rem.tv_sec);
|
|
target_rem->tv_nsec = tswapl(rem.tv_nsec);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_setresuid:
|
|
ret = get_errno(setresuid(low2highuid(arg1),
|
|
low2highuid(arg2),
|
|
low2highuid(arg3)));
|
|
break;
|
|
case TARGET_NR_getresuid:
|
|
{
|
|
int ruid, euid, suid;
|
|
ret = get_errno(getresuid(&ruid, &euid, &suid));
|
|
if (!is_error(ret)) {
|
|
*(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
|
|
*(uint16_t *)arg2 = tswap16(high2lowuid(euid));
|
|
*(uint16_t *)arg3 = tswap16(high2lowuid(suid));
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_setresgid:
|
|
ret = get_errno(setresgid(low2highgid(arg1),
|
|
low2highgid(arg2),
|
|
low2highgid(arg3)));
|
|
break;
|
|
case TARGET_NR_getresgid:
|
|
{
|
|
int rgid, egid, sgid;
|
|
ret = get_errno(getresgid(&rgid, &egid, &sgid));
|
|
if (!is_error(ret)) {
|
|
*(uint16_t *)arg1 = high2lowgid(tswap16(rgid));
|
|
*(uint16_t *)arg2 = high2lowgid(tswap16(egid));
|
|
*(uint16_t *)arg3 = high2lowgid(tswap16(sgid));
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_query_module:
|
|
goto unimplemented;
|
|
case TARGET_NR_nfsservctl:
|
|
goto unimplemented;
|
|
case TARGET_NR_prctl:
|
|
goto unimplemented;
|
|
case TARGET_NR_pread:
|
|
page_unprotect_range((void *)arg2, arg3);
|
|
ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
|
|
break;
|
|
case TARGET_NR_pwrite:
|
|
ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
|
|
break;
|
|
case TARGET_NR_chown:
|
|
ret = get_errno(chown((const char *)arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_getcwd:
|
|
ret = get_errno(sys_getcwd1((char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_capget:
|
|
goto unimplemented;
|
|
case TARGET_NR_capset:
|
|
goto unimplemented;
|
|
case TARGET_NR_sigaltstack:
|
|
goto unimplemented;
|
|
case TARGET_NR_sendfile:
|
|
goto unimplemented;
|
|
case TARGET_NR_getpmsg:
|
|
goto unimplemented;
|
|
case TARGET_NR_putpmsg:
|
|
goto unimplemented;
|
|
case TARGET_NR_vfork:
|
|
ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
|
|
break;
|
|
case TARGET_NR_ugetrlimit:
|
|
{
|
|
struct rlimit rlim;
|
|
ret = get_errno(getrlimit(arg1, &rlim));
|
|
if (!is_error(ret)) {
|
|
struct target_rlimit *target_rlim = (void *)arg2;
|
|
target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
|
|
target_rlim->rlim_max = tswapl(rlim.rlim_max);
|
|
}
|
|
break;
|
|
}
|
|
case TARGET_NR_truncate64:
|
|
goto unimplemented;
|
|
case TARGET_NR_ftruncate64:
|
|
goto unimplemented;
|
|
case TARGET_NR_stat64:
|
|
ret = get_errno(stat(path((const char *)arg1), &st));
|
|
goto do_stat64;
|
|
case TARGET_NR_lstat64:
|
|
ret = get_errno(lstat(path((const char *)arg1), &st));
|
|
goto do_stat64;
|
|
case TARGET_NR_fstat64:
|
|
{
|
|
ret = get_errno(fstat(arg1, &st));
|
|
do_stat64:
|
|
if (!is_error(ret)) {
|
|
struct target_stat64 *target_st = (void *)arg2;
|
|
memset(target_st, 0, sizeof(struct target_stat64));
|
|
target_st->st_dev = tswap16(st.st_dev);
|
|
target_st->st_ino = tswap64(st.st_ino);
|
|
#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
|
|
target_st->__st_ino = tswapl(st.st_ino);
|
|
#endif
|
|
target_st->st_mode = tswap32(st.st_mode);
|
|
target_st->st_nlink = tswap32(st.st_nlink);
|
|
target_st->st_uid = tswapl(st.st_uid);
|
|
target_st->st_gid = tswapl(st.st_gid);
|
|
target_st->st_rdev = tswap16(st.st_rdev);
|
|
/* XXX: better use of kernel struct */
|
|
target_st->st_size = tswap64(st.st_size);
|
|
target_st->st_blksize = tswapl(st.st_blksize);
|
|
target_st->st_blocks = tswapl(st.st_blocks);
|
|
target_st->target_st_atime = tswapl(st.st_atime);
|
|
target_st->target_st_mtime = tswapl(st.st_mtime);
|
|
target_st->target_st_ctime = tswapl(st.st_ctime);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case TARGET_NR_lchown32:
|
|
ret = get_errno(lchown((const char *)arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_getuid32:
|
|
ret = get_errno(getuid());
|
|
break;
|
|
case TARGET_NR_getgid32:
|
|
ret = get_errno(getgid());
|
|
break;
|
|
case TARGET_NR_geteuid32:
|
|
ret = get_errno(geteuid());
|
|
break;
|
|
case TARGET_NR_getegid32:
|
|
ret = get_errno(getegid());
|
|
break;
|
|
case TARGET_NR_setreuid32:
|
|
ret = get_errno(setreuid(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_setregid32:
|
|
ret = get_errno(setregid(arg1, arg2));
|
|
break;
|
|
case TARGET_NR_getgroups32:
|
|
goto unimplemented;
|
|
case TARGET_NR_setgroups32:
|
|
goto unimplemented;
|
|
case TARGET_NR_fchown32:
|
|
ret = get_errno(fchown(arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_setresuid32:
|
|
ret = get_errno(setresuid(arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_getresuid32:
|
|
{
|
|
int ruid, euid, suid;
|
|
ret = get_errno(getresuid(&ruid, &euid, &suid));
|
|
if (!is_error(ret)) {
|
|
*(uint32_t *)arg1 = tswap32(ruid);
|
|
*(uint32_t *)arg2 = tswap32(euid);
|
|
*(uint32_t *)arg3 = tswap32(suid);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_setresgid32:
|
|
ret = get_errno(setresgid(arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_getresgid32:
|
|
{
|
|
int rgid, egid, sgid;
|
|
ret = get_errno(getresgid(&rgid, &egid, &sgid));
|
|
if (!is_error(ret)) {
|
|
*(uint32_t *)arg1 = tswap32(rgid);
|
|
*(uint32_t *)arg2 = tswap32(egid);
|
|
*(uint32_t *)arg3 = tswap32(sgid);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_chown32:
|
|
ret = get_errno(chown((const char *)arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_setuid32:
|
|
ret = get_errno(setuid(arg1));
|
|
break;
|
|
case TARGET_NR_setgid32:
|
|
ret = get_errno(setgid(arg1));
|
|
break;
|
|
case TARGET_NR_setfsuid32:
|
|
ret = get_errno(setfsuid(arg1));
|
|
break;
|
|
case TARGET_NR_setfsgid32:
|
|
ret = get_errno(setfsgid(arg1));
|
|
break;
|
|
case TARGET_NR_pivot_root:
|
|
goto unimplemented;
|
|
case TARGET_NR_mincore:
|
|
goto unimplemented;
|
|
case TARGET_NR_madvise:
|
|
goto unimplemented;
|
|
#if TARGET_LONG_BITS == 32
|
|
case TARGET_NR_fcntl64:
|
|
{
|
|
struct flock64 fl;
|
|
struct target_flock64 *target_fl = (void *)arg3;
|
|
|
|
switch(arg2) {
|
|
case F_GETLK64:
|
|
ret = get_errno(fcntl(arg1, arg2, &fl));
|
|
if (ret == 0) {
|
|
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 = tswapl(fl.l_pid);
|
|
}
|
|
break;
|
|
|
|
case F_SETLK64:
|
|
case F_SETLKW64:
|
|
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 = tswapl(target_fl->l_pid);
|
|
ret = get_errno(fcntl(arg1, arg2, &fl));
|
|
break;
|
|
default:
|
|
ret = get_errno(do_fcntl(arg1, arg2, arg3));
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
case TARGET_NR_security:
|
|
goto unimplemented;
|
|
case TARGET_NR_gettid:
|
|
ret = get_errno(gettid());
|
|
break;
|
|
case TARGET_NR_readahead:
|
|
goto unimplemented;
|
|
case TARGET_NR_setxattr:
|
|
case TARGET_NR_lsetxattr:
|
|
case TARGET_NR_fsetxattr:
|
|
case TARGET_NR_getxattr:
|
|
case TARGET_NR_lgetxattr:
|
|
case TARGET_NR_fgetxattr:
|
|
case TARGET_NR_listxattr:
|
|
case TARGET_NR_llistxattr:
|
|
case TARGET_NR_flistxattr:
|
|
case TARGET_NR_removexattr:
|
|
case TARGET_NR_lremovexattr:
|
|
case TARGET_NR_fremovexattr:
|
|
goto unimplemented_nowarn;
|
|
case TARGET_NR_set_thread_area:
|
|
case TARGET_NR_get_thread_area:
|
|
goto unimplemented_nowarn;
|
|
default:
|
|
unimplemented:
|
|
gemu_log("qemu: Unsupported syscall: %d\n", num);
|
|
unimplemented_nowarn:
|
|
ret = -ENOSYS;
|
|
break;
|
|
}
|
|
fail:
|
|
return ret;
|
|
}
|
|
|