return -ENOSYS;
}
#endif
-#ifdef __NR_getdents
+#if defined(TARGET_NR_getdents) && defined(__NR_getdents)
_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
#endif
#if !defined(__NR_getdents) || \
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
abi_long msg_controllen;
abi_ulong target_cmsg_addr;
- struct target_cmsghdr *target_cmsg;
+ struct target_cmsghdr *target_cmsg, *target_cmsg_start;
socklen_t space = 0;
msg_controllen = tswapal(target_msgh->msg_controllen);
goto the_end;
target_cmsg_addr = tswapal(target_msgh->msg_control);
target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
+ target_cmsg_start = target_cmsg;
if (!target_cmsg)
return -TARGET_EFAULT;
}
cmsg = CMSG_NXTHDR(msgh, cmsg);
- target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
+ target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
+ target_cmsg_start);
}
unlock_user(target_cmsg, target_cmsg_addr, 0);
the_end:
struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
abi_long msg_controllen;
abi_ulong target_cmsg_addr;
- struct target_cmsghdr *target_cmsg;
+ struct target_cmsghdr *target_cmsg, *target_cmsg_start;
socklen_t space = 0;
msg_controllen = tswapal(target_msgh->msg_controllen);
goto the_end;
target_cmsg_addr = tswapal(target_msgh->msg_control);
target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
+ target_cmsg_start = target_cmsg;
if (!target_cmsg)
return -TARGET_EFAULT;
}
target_cmsg->cmsg_len = tswapal(tgt_len);
- tgt_space = TARGET_CMSG_SPACE(tgt_len);
+ tgt_space = TARGET_CMSG_SPACE(len);
if (msg_controllen < tgt_space) {
tgt_space = msg_controllen;
}
msg_controllen -= tgt_space;
space += tgt_space;
cmsg = CMSG_NXTHDR(msgh, cmsg);
- target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
+ target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
+ target_cmsg_start);
}
unlock_user(target_cmsg, target_cmsg_addr, space);
the_end:
break;
case TYPE_PTRVOID:
case TYPE_INT:
- /* int argment */
ret = get_errno(ioctl(fd, ie->host_cmd, arg));
break;
case TYPE_PTR:
pthread_mutex_unlock(&clone_lock);
} else {
/* if no CLONE_VM, we consider it is a fork */
- if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
- return -EINVAL;
+ if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) {
+ return -TARGET_EINVAL;
+ }
fork_start();
ret = fork();
if (ret == 0) {
return -TARGET_ENOSYS;
}
}
+#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
+static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname,
+ abi_long handle, abi_long mount_id,
+ abi_long flags)
+{
+ struct file_handle *target_fh;
+ struct file_handle *fh;
+ int mid = 0;
+ abi_long ret;
+ char *name;
+ unsigned int size, total_size;
+
+ if (get_user_s32(size, handle)) {
+ return -TARGET_EFAULT;
+ }
+
+ name = lock_user_string(pathname);
+ if (!name) {
+ return -TARGET_EFAULT;
+ }
+
+ total_size = sizeof(struct file_handle) + size;
+ target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0);
+ if (!target_fh) {
+ unlock_user(name, pathname, 0);
+ return -TARGET_EFAULT;
+ }
+
+ fh = g_malloc0(total_size);
+ fh->handle_bytes = size;
+
+ ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags));
+ unlock_user(name, pathname, 0);
+
+ /* man name_to_handle_at(2):
+ * Other than the use of the handle_bytes field, the caller should treat
+ * the file_handle structure as an opaque data type
+ */
+
+ memcpy(target_fh, fh, total_size);
+ target_fh->handle_bytes = tswap32(fh->handle_bytes);
+ target_fh->handle_type = tswap32(fh->handle_type);
+ g_free(fh);
+ unlock_user(target_fh, handle, total_size);
+
+ if (put_user_s32(mid, mount_id)) {
+ return -TARGET_EFAULT;
+ }
+
+ return ret;
+
+}
+#endif
+
+#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
+static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle,
+ abi_long flags)
+{
+ struct file_handle *target_fh;
+ struct file_handle *fh;
+ unsigned int size, total_size;
+ abi_long ret;
+
+ if (get_user_s32(size, handle)) {
+ return -TARGET_EFAULT;
+ }
+
+ total_size = sizeof(struct file_handle) + size;
+ target_fh = lock_user(VERIFY_READ, handle, total_size, 1);
+ if (!target_fh) {
+ return -TARGET_EFAULT;
+ }
+
+ fh = g_malloc0(total_size);
+ memcpy(fh, target_fh, total_size);
+ fh->handle_bytes = size;
+ fh->handle_type = tswap32(target_fh->handle_type);
+
+ ret = get_errno(open_by_handle_at(mount_fd, fh,
+ target_to_host_bitmask(flags, fcntl_flags_tbl)));
+
+ g_free(fh);
+
+ unlock_user(target_fh, handle, total_size);
+
+ return ret;
+}
+#endif
/* Map host to target signal numbers for the wait family of syscalls.
Assume all other status bits are the same. */
ret = get_errno(write(arg1, p, arg3));
unlock_user(p, arg2, 0);
break;
+#ifdef TARGET_NR_open
case TARGET_NR_open:
if (!(p = lock_user_string(arg1)))
goto efault;
arg3));
unlock_user(p, arg1, 0);
break;
+#endif
case TARGET_NR_openat:
if (!(p = lock_user_string(arg2)))
goto efault;
arg4));
unlock_user(p, arg2, 0);
break;
+#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
+ case TARGET_NR_name_to_handle_at:
+ ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5);
+ break;
+#endif
+#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
+ case TARGET_NR_open_by_handle_at:
+ ret = do_open_by_handle_at(arg1, arg2, arg3);
+ break;
+#endif
case TARGET_NR_close:
ret = get_errno(close(arg1));
break;
case TARGET_NR_brk:
ret = do_brk(arg1);
break;
+#ifdef TARGET_NR_fork
case TARGET_NR_fork:
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
break;
+#endif
#ifdef TARGET_NR_waitpid
case TARGET_NR_waitpid:
{
unlock_user(p, arg1, 0);
break;
#endif
+#ifdef TARGET_NR_link
case TARGET_NR_link:
{
void * p2;
unlock_user(p, arg1, 0);
}
break;
+#endif
#if defined(TARGET_NR_linkat)
case TARGET_NR_linkat:
{
}
break;
#endif
+#ifdef TARGET_NR_unlink
case TARGET_NR_unlink:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(unlink(p));
unlock_user(p, arg1, 0);
break;
+#endif
#if defined(TARGET_NR_unlinkat)
case TARGET_NR_unlinkat:
if (!(p = lock_user_string(arg2)))
}
*q = NULL;
- /* This case will not be caught by the host's execve() if its
- page size is bigger than the target's. */
- if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
- ret = -TARGET_E2BIG;
- goto execve_end;
- }
if (!(p = lock_user_string(arg1)))
goto execve_efault;
ret = get_errno(execve(p, argp, envp));
}
break;
#endif
+#ifdef TARGET_NR_mknod
case TARGET_NR_mknod:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(mknod(p, arg2, arg3));
unlock_user(p, arg1, 0);
break;
+#endif
#if defined(TARGET_NR_mknodat)
case TARGET_NR_mknodat:
if (!(p = lock_user_string(arg2)))
unlock_user(p, arg2, 0);
break;
#endif
+#ifdef TARGET_NR_chmod
case TARGET_NR_chmod:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(chmod(p, arg2));
unlock_user(p, arg1, 0);
break;
+#endif
#ifdef TARGET_NR_break
case TARGET_NR_break:
goto unimplemented;
}
break;
#endif
+#ifdef TARGET_NR_utimes
case TARGET_NR_utimes:
{
struct timeval *tvp, tv[2];
unlock_user(p, arg1, 0);
}
break;
+#endif
#if defined(TARGET_NR_futimesat)
case TARGET_NR_futimesat:
{
case TARGET_NR_gtty:
goto unimplemented;
#endif
+#ifdef TARGET_NR_access
case TARGET_NR_access:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(access(path(p), arg2));
unlock_user(p, arg1, 0);
break;
+#endif
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
case TARGET_NR_faccessat:
if (!(p = lock_user_string(arg2)))
case TARGET_NR_kill:
ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
break;
+#ifdef TARGET_NR_rename
case TARGET_NR_rename:
{
void *p2;
unlock_user(p, arg1, 0);
}
break;
+#endif
#if defined(TARGET_NR_renameat)
case TARGET_NR_renameat:
{
}
break;
#endif
+#ifdef TARGET_NR_mkdir
case TARGET_NR_mkdir:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(mkdir(p, arg2));
unlock_user(p, arg1, 0);
break;
+#endif
#if defined(TARGET_NR_mkdirat)
case TARGET_NR_mkdirat:
if (!(p = lock_user_string(arg2)))
unlock_user(p, arg2, 0);
break;
#endif
+#ifdef TARGET_NR_rmdir
case TARGET_NR_rmdir:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(rmdir(p));
unlock_user(p, arg1, 0);
break;
+#endif
case TARGET_NR_dup:
ret = get_errno(dup(arg1));
break;
+#ifdef TARGET_NR_pipe
case TARGET_NR_pipe:
ret = do_pipe(cpu_env, arg1, 0, 0);
break;
+#endif
#ifdef TARGET_NR_pipe2
case TARGET_NR_pipe2:
ret = do_pipe(cpu_env, arg1,
ret = get_errno(chroot(p));
unlock_user(p, arg1, 0);
break;
+#ifdef TARGET_NR_ustat
case TARGET_NR_ustat:
goto unimplemented;
+#endif
+#ifdef TARGET_NR_dup2
case TARGET_NR_dup2:
ret = get_errno(dup2(arg1, arg2));
break;
+#endif
#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
case TARGET_NR_dup3:
ret = get_errno(dup3(arg1, arg2, arg3));
ret = get_errno(getppid());
break;
#endif
+#ifdef TARGET_NR_getpgrp
case TARGET_NR_getpgrp:
ret = get_errno(getpgrp());
break;
+#endif
case TARGET_NR_setsid:
ret = get_errno(setsid());
break;
}
break;
#endif
+#ifdef TARGET_NR_symlink
case TARGET_NR_symlink:
{
void *p2;
unlock_user(p, arg1, 0);
}
break;
+#endif
#if defined(TARGET_NR_symlinkat)
case TARGET_NR_symlinkat:
{
case TARGET_NR_oldlstat:
goto unimplemented;
#endif
+#ifdef TARGET_NR_readlink
case TARGET_NR_readlink:
{
void *p2;
unlock_user(p, arg1, 0);
}
break;
+#endif
#if defined(TARGET_NR_readlinkat)
case TARGET_NR_readlinkat:
{
}
}
break;
+#ifdef TARGET_NR_stat
case TARGET_NR_stat:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(stat(path(p), &st));
unlock_user(p, arg1, 0);
goto do_stat;
+#endif
+#ifdef TARGET_NR_lstat
case TARGET_NR_lstat:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(lstat(path(p), &st));
unlock_user(p, arg1, 0);
goto do_stat;
+#endif
case TARGET_NR_fstat:
{
ret = get_errno(fstat(arg1, &st));
+#if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
do_stat:
+#endif
if (!is_error(ret)) {
struct target_stat *target_st;
}
break;
#endif
+#ifdef TARGET_NR_getdents
case TARGET_NR_getdents:
#ifdef __NR_getdents
#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
}
#endif
break;
+#endif /* TARGET_NR_getdents */
#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
case TARGET_NR_getdents64:
{
ret = get_errno(fdatasync(arg1));
break;
#endif
+#ifdef TARGET_NR__sysctl
case TARGET_NR__sysctl:
/* We don't implement this, but ENOTDIR is always a safe
return value. */
ret = -TARGET_ENOTDIR;
break;
+#endif
case TARGET_NR_sched_getaffinity:
{
unsigned int mask_size;
ret = host_to_target_stat64(cpu_env, arg3, &st);
break;
#endif
+#ifdef TARGET_NR_lchown
case TARGET_NR_lchown:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
unlock_user(p, arg1, 0);
break;
+#endif
#ifdef TARGET_NR_getuid
case TARGET_NR_getuid:
ret = get_errno(high2lowuid(getuid()));
}
break;
#endif
+#ifdef TARGET_NR_chown
case TARGET_NR_chown:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
unlock_user(p, arg1, 0);
break;
+#endif
case TARGET_NR_setuid:
ret = get_errno(setuid(low2highuid(arg1)));
break;
projects / qemu.git / blobdiff