1350 lines
42 KiB
C
1350 lines
42 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 <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 <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/user.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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#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 "gemu.h"
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#define DEBUG
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#ifndef PAGE_SIZE
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#define PAGE_SIZE 4096
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#define PAGE_MASK ~(PAGE_SIZE - 1)
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#endif
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struct dirent {
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long d_ino;
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long d_off;
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unsigned short d_reclen;
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char d_name[256]; /* We must not include limits.h! */
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};
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#include "syscall_defs.h"
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#ifdef TARGET_I386
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#include "syscall-i386.h"
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#endif
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#define __NR_sys_uname __NR_uname
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#define __NR_sys_getcwd __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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_syscall0(int, gettid)
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_syscall1(int,sys_uname,struct new_utsname *,buf)
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_syscall2(int,sys_getcwd,char *,buf,size_t,size)
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_syscall3(int, getdents, uint, fd, struct dirent *, 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 statfs *,buf)
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_syscall2(int,sys_fstatfs,int,fd,struct statfs *,buf)
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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 *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK);
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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 = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK;
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mapped_addr = get_errno((long)mmap((caddr_t)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(BSWP_NEEDED) && !defined(WORD_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(BSWP_NEEDED) && !defined(WORD_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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/* XXX: incorrect for some archs */
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static void host_to_target_old_sigset(target_ulong *old_sigset,
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const sigset_t *sigset)
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{
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*old_sigset = tswap32(*(unsigned long *)sigset & 0xffffffff);
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}
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static void target_to_host_old_sigset(sigset_t *sigset,
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const target_ulong *old_sigset)
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{
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sigemptyset(sigset);
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*(unsigned long *)sigset = tswapl(*old_sigset);
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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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tv.tv_sec = tswapl(target_tv->tv_sec);
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tv.tv_usec = tswapl(target_tv->tv_usec);
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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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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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}
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return ret;
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}
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static long do_socketcall(int num, long *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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ret = get_errno(socket(vptr[0], vptr[1], vptr[2]));
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break;
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case SOCKOP_bind:
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ret = get_errno(bind(vptr[0], (struct sockaddr *)vptr[1], vptr[2]));
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break;
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case SOCKOP_connect:
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ret = get_errno(connect(vptr[0], (struct sockaddr *)vptr[1], vptr[2]));
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break;
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case SOCKOP_listen:
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ret = get_errno(listen(vptr[0], vptr[1]));
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break;
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case SOCKOP_accept:
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{
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socklen_t size;
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size = tswap32(*(int32_t *)vptr[2]);
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ret = get_errno(accept(vptr[0], (struct sockaddr *)vptr[1], &size));
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if (!is_error(ret))
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*(int32_t *)vptr[2] = size;
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}
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break;
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case SOCKOP_getsockname:
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{
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socklen_t size;
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size = tswap32(*(int32_t *)vptr[2]);
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ret = get_errno(getsockname(vptr[0], (struct sockaddr *)vptr[1], &size));
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if (!is_error(ret))
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*(int32_t *)vptr[2] = size;
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}
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break;
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case SOCKOP_getpeername:
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{
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socklen_t size;
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size = tswap32(*(int32_t *)vptr[2]);
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ret = get_errno(getpeername(vptr[0], (struct sockaddr *)vptr[1], &size));
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if (!is_error(ret))
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*(int32_t *)vptr[2] = size;
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}
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break;
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case SOCKOP_socketpair:
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{
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int tab[2];
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int32_t *target_tab = (int32_t *)vptr[3];
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ret = get_errno(socketpair(vptr[0], vptr[1], vptr[2], tab));
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if (!is_error(ret)) {
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target_tab[0] = tswap32(tab[0]);
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target_tab[1] = tswap32(tab[1]);
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}
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}
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break;
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case SOCKOP_send:
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ret = get_errno(send(vptr[0], (void *)vptr[1], vptr[2], vptr[3]));
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break;
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case SOCKOP_recv:
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ret = get_errno(recv(vptr[0], (void *)vptr[1], vptr[2], vptr[3]));
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break;
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case SOCKOP_sendto:
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ret = get_errno(sendto(vptr[0], (void *)vptr[1], vptr[2], vptr[3],
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(struct sockaddr *)vptr[4], vptr[5]));
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break;
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case SOCKOP_recvfrom:
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{
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socklen_t size;
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size = tswap32(*(int32_t *)vptr[5]);
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ret = get_errno(recvfrom(vptr[0], (void *)vptr[1], vptr[2],
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vptr[3], (struct sockaddr *)vptr[4], &size));
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if (!is_error(ret))
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*(int32_t *)vptr[5] = size;
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}
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break;
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case SOCKOP_shutdown:
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ret = get_errno(shutdown(vptr[0], vptr[1]));
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break;
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case SOCKOP_sendmsg:
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case SOCKOP_recvmsg:
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case SOCKOP_setsockopt:
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case SOCKOP_getsockopt:
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default:
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gemu_log("Unsupported socketcall: %d\n", num);
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ret = -ENOSYS;
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break;
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}
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return ret;
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}
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/* kernel structure types definitions */
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#define IFNAMSIZ 16
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#define STRUCT(name, list...) STRUCT_ ## name,
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#define STRUCT_SPECIAL(name) STRUCT_ ## name,
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enum {
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#include "syscall_types.h"
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};
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#undef STRUCT
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#undef STRUCT_SPECIAL
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#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
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#define STRUCT_SPECIAL(name)
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#include "syscall_types.h"
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#undef STRUCT
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#undef STRUCT_SPECIAL
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typedef struct IOCTLEntry {
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int target_cmd;
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int host_cmd;
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const char *name;
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int access;
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const argtype arg_type[3];
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} IOCTLEntry;
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#define IOC_R 0x0001
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#define IOC_W 0x0002
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#define IOC_RW (IOC_R | IOC_W)
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#define MAX_STRUCT_SIZE 4096
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const IOCTLEntry ioctl_entries[] = {
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#define IOCTL(cmd, access, types...) \
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{ TARGET_ ## cmd, cmd, #cmd, access, { types } },
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#include "ioctls.h"
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{ 0, 0, },
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};
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static long do_ioctl(long fd, long cmd, long arg)
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{
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const IOCTLEntry *ie;
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const argtype *arg_type;
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long ret;
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uint8_t buf_temp[MAX_STRUCT_SIZE];
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ie = ioctl_entries;
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for(;;) {
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if (ie->target_cmd == 0) {
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gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
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return -ENOSYS;
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}
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if (ie->target_cmd == cmd)
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break;
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ie++;
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}
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arg_type = ie->arg_type;
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// gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
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switch(arg_type[0]) {
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case TYPE_NULL:
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/* no argument */
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ret = get_errno(ioctl(fd, ie->host_cmd));
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break;
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case TYPE_PTRVOID:
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case TYPE_INT:
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/* int argment */
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ret = get_errno(ioctl(fd, ie->host_cmd, arg));
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break;
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case TYPE_PTR:
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arg_type++;
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switch(ie->access) {
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case IOC_R:
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ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
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if (!is_error(ret)) {
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thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
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}
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break;
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case IOC_W:
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thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
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ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
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break;
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default:
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case IOC_RW:
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thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
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ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
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if (!is_error(ret)) {
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thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
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}
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break;
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}
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break;
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default:
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gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
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ret = -ENOSYS;
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break;
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}
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return ret;
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}
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bitmask_transtbl iflag_tbl[] = {
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{ TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
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{ TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
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{ TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
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{ TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
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{ TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
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{ TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
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{ TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
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{ TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
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{ TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
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{ TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
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{ TARGET_IXON, TARGET_IXON, IXON, IXON },
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{ TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
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{ TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
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{ TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
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{ 0, 0, 0, 0 }
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};
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bitmask_transtbl oflag_tbl[] = {
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{ TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
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{ TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
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{ TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
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{ TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
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{ TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
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{ TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
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{ TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
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{ TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
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{ TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
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{ TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
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{ TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
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{ TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
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{ TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
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{ TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
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{ TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
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{ TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
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{ TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
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{ TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
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{ TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
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{ TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
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{ TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
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{ TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
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{ TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
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{ 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) },
|
|
};
|
|
|
|
void syscall_init(void)
|
|
{
|
|
#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
|
|
}
|
|
|
|
long do_syscall(int num, long arg1, long arg2, long arg3,
|
|
long arg4, long arg5, long arg6)
|
|
{
|
|
long ret;
|
|
struct stat st;
|
|
struct statfs *stfs;
|
|
|
|
// gemu_log("syscall %d\n", num);
|
|
switch(num) {
|
|
case TARGET_NR_exit:
|
|
_exit(arg1);
|
|
ret = 0; /* avoid warning */
|
|
break;
|
|
case TARGET_NR_read:
|
|
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((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(fork());
|
|
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:
|
|
ret = get_errno(execve((const char *)arg1, (void *)arg2, (void *)arg3));
|
|
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(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:
|
|
ret = get_errno(sync());
|
|
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:
|
|
goto unimplemented;
|
|
case TARGET_NR_prof:
|
|
goto unimplemented;
|
|
case TARGET_NR_setgid:
|
|
ret = get_errno(setgid(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:
|
|
switch(arg2) {
|
|
case F_GETLK:
|
|
case F_SETLK:
|
|
case F_SETLKW:
|
|
goto unimplemented;
|
|
default:
|
|
ret = get_errno(fcntl(arg1, arg2, arg3));
|
|
break;
|
|
}
|
|
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:
|
|
#if 0
|
|
{
|
|
int signum = arg1;
|
|
struct target_old_sigaction *tact = arg2, *toldact = arg3;
|
|
ret = get_errno(setsid());
|
|
|
|
|
|
}
|
|
break;
|
|
#else
|
|
goto unimplemented;
|
|
#endif
|
|
case TARGET_NR_sgetmask:
|
|
goto unimplemented;
|
|
case TARGET_NR_ssetmask:
|
|
goto unimplemented;
|
|
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_sigsuspend:
|
|
goto unimplemented;
|
|
case TARGET_NR_sigpending:
|
|
goto unimplemented;
|
|
case TARGET_NR_sethostname:
|
|
ret = get_errno(sethostname((const char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_setrlimit:
|
|
goto unimplemented;
|
|
case TARGET_NR_getrlimit:
|
|
goto unimplemented;
|
|
case TARGET_NR_getrusage:
|
|
goto unimplemented;
|
|
case TARGET_NR_gettimeofday:
|
|
{
|
|
struct target_timeval *target_tv = (void *)arg1;
|
|
struct timeval tv;
|
|
ret = get_errno(gettimeofday(&tv, NULL));
|
|
if (!is_error(ret)) {
|
|
target_tv->tv_sec = tswapl(tv.tv_sec);
|
|
target_tv->tv_usec = tswapl(tv.tv_usec);
|
|
}
|
|
}
|
|
break;
|
|
case TARGET_NR_settimeofday:
|
|
{
|
|
struct target_timeval *target_tv = (void *)arg1;
|
|
struct timeval tv;
|
|
tv.tv_sec = tswapl(target_tv->tv_sec);
|
|
tv.tv_usec = tswapl(target_tv->tv_usec);
|
|
ret = get_errno(settimeofday(&tv, NULL));
|
|
}
|
|
break;
|
|
case TARGET_NR_getgroups:
|
|
goto unimplemented;
|
|
case TARGET_NR_setgroups:
|
|
goto unimplemented;
|
|
case TARGET_NR_select:
|
|
goto unimplemented;
|
|
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((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;
|
|
#ifdef TARGET_I386
|
|
case TARGET_NR_mmap:
|
|
{
|
|
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((long)mmap((void *)v1, v2, v3, v4, v5, v6));
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef TARGET_I386
|
|
case TARGET_NR_mmap2:
|
|
#else
|
|
case TARGET_NR_mmap:
|
|
#endif
|
|
ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6));
|
|
break;
|
|
case TARGET_NR_munmap:
|
|
ret = get_errno(munmap((void *)arg1, arg2));
|
|
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((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, (long *)arg2);
|
|
break;
|
|
case TARGET_NR_syslog:
|
|
goto unimplemented;
|
|
case TARGET_NR_setitimer:
|
|
goto unimplemented;
|
|
case TARGET_NR_getitimer:
|
|
goto unimplemented;
|
|
case TARGET_NR_stat:
|
|
ret = get_errno(stat((const char *)arg1, &st));
|
|
goto do_stat;
|
|
case TARGET_NR_lstat:
|
|
ret = get_errno(lstat((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->st_atime = tswapl(st.st_atime);
|
|
target_st->st_mtime = tswapl(st.st_mtime);
|
|
target_st->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_vm86old:
|
|
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) {
|
|
target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec);
|
|
target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec);
|
|
target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec);
|
|
target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec);
|
|
target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss);
|
|
target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss);
|
|
target_rusage->ru_idrss = tswapl(rusage.ru_idrss);
|
|
target_rusage->ru_isrss = tswapl(rusage.ru_isrss);
|
|
target_rusage->ru_minflt = tswapl(rusage.ru_minflt);
|
|
target_rusage->ru_majflt = tswapl(rusage.ru_majflt);
|
|
target_rusage->ru_nswap = tswapl(rusage.ru_nswap);
|
|
target_rusage->ru_inblock = tswapl(rusage.ru_inblock);
|
|
target_rusage->ru_oublock = tswapl(rusage.ru_oublock);
|
|
target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd);
|
|
target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv);
|
|
target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals);
|
|
target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw);
|
|
target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw);
|
|
}
|
|
}
|
|
}
|
|
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_sigreturn:
|
|
goto unimplemented;
|
|
case TARGET_NR_clone:
|
|
goto unimplemented;
|
|
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;
|
|
case TARGET_NR_modify_ldt:
|
|
goto unimplemented;
|
|
case TARGET_NR_adjtimex:
|
|
goto unimplemented;
|
|
case TARGET_NR_mprotect:
|
|
ret = get_errno(mprotect((void *)arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_sigprocmask:
|
|
{
|
|
int how = arg1;
|
|
sigset_t set, oldset, *set_ptr;
|
|
target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
|
|
|
|
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;
|
|
}
|
|
|
|
if (pset) {
|
|
target_to_host_old_sigset(&set, pset);
|
|
set_ptr = &set;
|
|
} else {
|
|
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_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(mprotect((void *)arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_afs_syscall:
|
|
goto unimplemented;
|
|
case TARGET_NR_setfsuid:
|
|
goto unimplemented;
|
|
case TARGET_NR_setfsgid:
|
|
goto unimplemented;
|
|
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
|
|
#endif
|
|
{
|
|
struct dirent *dirp = (void *)arg2;
|
|
long count = arg3;
|
|
ret = get_errno(getdents(arg1, dirp, count));
|
|
if (!is_error(ret)) {
|
|
struct dirent *de;
|
|
int len = ret;
|
|
int reclen;
|
|
de = dirp;
|
|
while (len > 0) {
|
|
reclen = tswap16(de->d_reclen);
|
|
if (reclen > len)
|
|
break;
|
|
de->d_reclen = reclen;
|
|
tswapls(&de->d_ino);
|
|
tswapls(&de->d_off);
|
|
de = (struct dirent *)((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_flock:
|
|
goto unimplemented;
|
|
case TARGET_NR_msync:
|
|
ret = get_errno(msync((void *)arg1, arg2, arg3));
|
|
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:
|
|
goto unimplemented;
|
|
case TARGET_NR__sysctl:
|
|
goto unimplemented;
|
|
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_sched_setparam:
|
|
goto unimplemented;
|
|
case TARGET_NR_sched_getparam:
|
|
goto unimplemented;
|
|
case TARGET_NR_sched_setscheduler:
|
|
goto unimplemented;
|
|
case TARGET_NR_sched_getscheduler:
|
|
goto unimplemented;
|
|
case TARGET_NR_sched_yield:
|
|
ret = get_errno(sched_yield());
|
|
break;
|
|
case TARGET_NR_sched_get_priority_max:
|
|
case TARGET_NR_sched_get_priority_min:
|
|
case TARGET_NR_sched_rr_get_interval:
|
|
case TARGET_NR_nanosleep:
|
|
case TARGET_NR_mremap:
|
|
case TARGET_NR_setresuid:
|
|
case TARGET_NR_getresuid:
|
|
case TARGET_NR_vm86:
|
|
case TARGET_NR_query_module:
|
|
case TARGET_NR_poll:
|
|
case TARGET_NR_nfsservctl:
|
|
case TARGET_NR_setresgid:
|
|
case TARGET_NR_getresgid:
|
|
case TARGET_NR_prctl:
|
|
case TARGET_NR_rt_sigreturn:
|
|
case TARGET_NR_rt_sigaction:
|
|
case TARGET_NR_rt_sigprocmask:
|
|
case TARGET_NR_rt_sigpending:
|
|
case TARGET_NR_rt_sigtimedwait:
|
|
case TARGET_NR_rt_sigqueueinfo:
|
|
case TARGET_NR_rt_sigsuspend:
|
|
case TARGET_NR_pread:
|
|
case TARGET_NR_pwrite:
|
|
goto unimplemented;
|
|
case TARGET_NR_chown:
|
|
ret = get_errno(chown((const char *)arg1, arg2, arg3));
|
|
break;
|
|
case TARGET_NR_getcwd:
|
|
ret = get_errno(sys_getcwd((char *)arg1, arg2));
|
|
break;
|
|
case TARGET_NR_capget:
|
|
case TARGET_NR_capset:
|
|
case TARGET_NR_sigaltstack:
|
|
case TARGET_NR_sendfile:
|
|
case TARGET_NR_getpmsg:
|
|
case TARGET_NR_putpmsg:
|
|
case TARGET_NR_vfork:
|
|
ret = get_errno(vfork());
|
|
break;
|
|
case TARGET_NR_ugetrlimit:
|
|
case TARGET_NR_truncate64:
|
|
case TARGET_NR_ftruncate64:
|
|
case TARGET_NR_stat64:
|
|
case TARGET_NR_lstat64:
|
|
case TARGET_NR_fstat64:
|
|
case TARGET_NR_lchown32:
|
|
case TARGET_NR_getuid32:
|
|
case TARGET_NR_getgid32:
|
|
case TARGET_NR_geteuid32:
|
|
case TARGET_NR_getegid32:
|
|
case TARGET_NR_setreuid32:
|
|
case TARGET_NR_setregid32:
|
|
case TARGET_NR_getgroups32:
|
|
case TARGET_NR_setgroups32:
|
|
case TARGET_NR_fchown32:
|
|
case TARGET_NR_setresuid32:
|
|
case TARGET_NR_getresuid32:
|
|
case TARGET_NR_setresgid32:
|
|
case TARGET_NR_getresgid32:
|
|
case TARGET_NR_chown32:
|
|
case TARGET_NR_setuid32:
|
|
case TARGET_NR_setgid32:
|
|
case TARGET_NR_setfsuid32:
|
|
case TARGET_NR_setfsgid32:
|
|
case TARGET_NR_pivot_root:
|
|
case TARGET_NR_mincore:
|
|
case TARGET_NR_madvise:
|
|
case TARGET_NR_getdents64:
|
|
case TARGET_NR_fcntl64:
|
|
case TARGET_NR_security:
|
|
goto unimplemented;
|
|
case TARGET_NR_gettid:
|
|
ret = get_errno(gettid());
|
|
break;
|
|
case TARGET_NR_readahead:
|
|
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;
|
|
default:
|
|
unimplemented:
|
|
gemu_log("Unsupported syscall: %d\n", num);
|
|
ret = -ENOSYS;
|
|
break;
|
|
}
|
|
fail:
|
|
return ret;
|
|
}
|
|
|