Return gdb::optional<std::string> from target_fileio_readlink

[deliverable/binutils-gdb.git] / gdb / xml-tdesc.h

diff --git a/gdb/xml-tdesc.h b/gdb/xml-tdesc.h
index 58a93fb25ce3b726a2a475c34708295f2e1e85aa..8f0679707ad0f1e04d803f955f7fb98b4cc0c8c8 100644 (file)
--- a/gdb/xml-tdesc.h
+++ b/gdb/xml-tdesc.h
@@ -1,6 +1,6 @@
 /* XML target description support for GDB.
 
-   Copyright (C) 2006-2013 Free Software Foundation, Inc.
+   Copyright (C) 2006-2018 Free Software Foundation, Inc.
 
    Contributed by CodeSourcery.
 
@@ -19,6 +19,12 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
+#ifndef XML_TDESC_H
+#define XML_TDESC_H
+
+#include "common/gdb_optional.h"
+#include <string>
+
 struct target_ops;
 struct target_desc;
 
@@ -31,3 +37,12 @@ const struct target_desc *file_read_description_xml (const char *filename);
    parsed description.  */
 
 const struct target_desc *target_read_description_xml (struct target_ops *);
+
+/* Fetches an XML target description using OPS, processing includes,
+   but not parsing it.  Used to dump whole tdesc as a single XML file.
+   Returns the description on success, and a disengaged optional
+   otherwise.  */
+gdb::optional<std::string> target_fetch_description_xml (target_ops *ops);
+
+#endif /* XML_TDESC_H */
+