return input_index;
}
+/* Process ID of inferior whose filesystem hostio functions
+ that take FILENAME arguments will use. Zero means to use
+ our own filesystem. */
+
+static int hostio_fs_pid;
+
+/* See hostio.h. */
+
+void
+hostio_handle_new_gdb_connection (void)
+{
+ hostio_fs_pid = 0;
+}
+
+/* Handle a "vFile:setfs:" packet. */
+
+static void
+handle_setfs (char *own_buf)
+{
+ char *p;
+ int pid;
+
+ /* If the target doesn't have any of the in-filesystem-of methods
+ then there's no point in GDB sending "vFile:setfs:" packets. We
+ reply with an empty packet (i.e. we pretend we don't understand
+ "vFile:setfs:") and that should stop GDB sending any more. */
+ if (the_target->multifs_open == NULL
+ && the_target->multifs_unlink == NULL
+ && the_target->multifs_readlink == NULL)
+ {
+ own_buf[0] = '\0';
+ return;
+ }
+
+ p = own_buf + strlen ("vFile:setfs:");
+
+ if (require_int (&p, &pid)
+ || pid < 0
+ || require_end (p))
+ {
+ hostio_packet_error (own_buf);
+ return;
+ }
+
+ hostio_fs_pid = pid;
+
+ hostio_reply (own_buf, 0);
+}
+
static void
handle_open (char *own_buf)
{
/* We do not need to convert MODE, since the fileio protocol
uses the standard values. */
- fd = open (filename, flags, mode);
+ if (hostio_fs_pid != 0 && the_target->multifs_open != NULL)
+ fd = the_target->multifs_open (hostio_fs_pid, filename,
+ flags, mode);
+ else
+ fd = open (filename, flags, mode);
if (fd == -1)
{
return;
}
- ret = unlink (filename);
+ if (hostio_fs_pid != 0 && the_target->multifs_unlink != NULL)
+ ret = the_target->multifs_unlink (hostio_fs_pid, filename);
+ else
+ ret = unlink (filename);
if (ret == -1)
{
return;
}
- ret = readlink (filename, linkname, sizeof (linkname) - 1);
+ if (hostio_fs_pid != 0 && the_target->multifs_readlink != NULL)
+ ret = the_target->multifs_readlink (hostio_fs_pid, filename,
+ linkname,
+ sizeof (linkname) - 1);
+ else
+ ret = readlink (filename, linkname, sizeof (linkname) - 1);
+
if (ret == -1)
{
hostio_error (own_buf);
handle_unlink (own_buf);
else if (startswith (own_buf, "vFile:readlink:"))
handle_readlink (own_buf, new_packet_len);
+ else if (startswith (own_buf, "vFile:setfs:"))
+ handle_setfs (own_buf);
else
return 0;