/* XML target description support for GDB.
- Copyright (C) 2006-2018 Free Software Foundation, Inc.
+ Copyright (C) 2006-2020 Free Software Foundation, Inc.
Contributed by CodeSourcery.
then we will create unnecessary duplicate gdbarches. See
gdbarch_list_lookup_by_info. */
-static std::unordered_map<std::string, target_desc *> xml_cache;
+static std::unordered_map<std::string, target_desc_up> xml_cache;
/* Callback data for target description parsing. */
previously parsed. */
const auto it = xml_cache.find (expanded_text);
if (it != xml_cache.end ())
- return it->second;
+ return it->second.get ();
memset (&data, 0, sizeof (struct tdesc_parsing_data));
- data.tdesc = allocate_target_description ();
- struct cleanup *result_cleanup
- = make_cleanup_free_target_description (data.tdesc);
+ target_desc_up description (allocate_target_description ());
+ data.tdesc = description.get ();
if (gdb_xml_parse_quick (_("target description"), "gdb-target.dtd",
tdesc_elements, expanded_text.c_str (), &data) == 0)
{
/* Parsed successfully. */
- xml_cache.emplace (std::move (expanded_text), data.tdesc);
- discard_cleanups (result_cleanup);
+ xml_cache.emplace (std::move (expanded_text), std::move (description));
return data.tdesc;
}
else
{
warning (_("Could not load XML target description; ignoring"));
- do_cleanups (result_cleanup);
return NULL;
}
}
const struct target_desc *
file_read_description_xml (const char *filename)
{
- gdb::unique_xmalloc_ptr<char> tdesc_str
+ gdb::optional<gdb::char_vector> tdesc_str
= xml_fetch_content_from_file (filename, NULL);
- if (tdesc_str == NULL)
+ if (!tdesc_str)
{
warning (_("Could not open \"%s\""), filename);
return NULL;
}
- return tdesc_parse_xml (tdesc_str.get (), xml_fetch_content_from_file,
+ return tdesc_parse_xml (tdesc_str->data (), xml_fetch_content_from_file,
(void *) ldirname (filename).c_str ());
}
is "target.xml". Other calls may be performed for the DTD or
for <xi:include>. */
-static gdb::unique_xmalloc_ptr<char>
+static gdb::optional<gdb::char_vector>
fetch_available_features_from_target (const char *name, void *baton_)
{
struct target_ops *ops = (struct target_ops *) baton_;
const struct target_desc *
target_read_description_xml (struct target_ops *ops)
{
- gdb::unique_xmalloc_ptr<char> tdesc_str
+ gdb::optional<gdb::char_vector> tdesc_str
= fetch_available_features_from_target ("target.xml", ops);
- if (tdesc_str == NULL)
+ if (!tdesc_str)
return NULL;
- return tdesc_parse_xml (tdesc_str.get (),
+ return tdesc_parse_xml (tdesc_str->data (),
fetch_available_features_from_target,
ops);
}
return {};
#else
- gdb::unique_xmalloc_ptr<char>
+ gdb::optional<gdb::char_vector>
tdesc_str = fetch_available_features_from_target ("target.xml", ops);
- if (tdesc_str == NULL)
+ if (!tdesc_str)
return {};
std::string output;
if (!xml_process_xincludes (output,
_("target description"),
- tdesc_str.get (),
+ tdesc_str->data (),
fetch_available_features_from_target, ops, 0))
{
warning (_("Could not load XML target description; ignoring"));
return output;
#endif
}
+
+/* See xml-tdesc.h. */
+
+const struct target_desc *
+string_read_description_xml (const char *xml)
+{
+ return tdesc_parse_xml (xml, [] (const char *href, void *baton)
+ {
+ error (_("xincludes are unsupported with this method"));
+ return gdb::optional<gdb::char_vector> ();
+ }, nullptr);
+}