/* Routines for handling XML memory maps provided by target.
- Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2006-2019 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "memory-map.h"
-#include "gdb_assert.h"
-#include "exceptions.h"
-
-#include "gdb_string.h"
#if !defined(HAVE_LIBEXPAT)
-VEC(mem_region_s) *
+std::vector<mem_region>
parse_memory_map (const char *memory_map)
{
static int have_warned;
"at compile time"));
}
- return NULL;
+ return std::vector<mem_region> ();
}
#else /* HAVE_LIBEXPAT */
/* Internal parsing data passed to all XML callbacks. */
struct memory_map_parsing_data
- {
- VEC(mem_region_s) **memory_map;
- char property_name[32];
- };
+{
+ memory_map_parsing_data (std::vector<mem_region> *memory_map_)
+ : memory_map (memory_map_)
+ {}
+
+ std::vector<mem_region> *memory_map;
+
+ std::string property_name;
+};
/* Handle the start of a <memory> element. */
static void
memory_map_start_memory (struct gdb_xml_parser *parser,
const struct gdb_xml_element *element,
- void *user_data, VEC(gdb_xml_value_s) *attributes)
+ void *user_data,
+ std::vector<gdb_xml_value> &attributes)
{
- struct memory_map_parsing_data *data = user_data;
- struct mem_region *r = VEC_safe_push (mem_region_s, *data->memory_map, NULL);
+ struct memory_map_parsing_data *data
+ = (struct memory_map_parsing_data *) user_data;
ULONGEST *start_p, *length_p, *type_p;
- start_p = VEC_index (gdb_xml_value_s, attributes, 0)->value;
- length_p = VEC_index (gdb_xml_value_s, attributes, 1)->value;
- type_p = VEC_index (gdb_xml_value_s, attributes, 2)->value;
+ start_p
+ = (ULONGEST *) xml_find_attribute (attributes, "start")->value.get ();
+ length_p
+ = (ULONGEST *) xml_find_attribute (attributes, "length")->value.get ();
+ type_p
+ = (ULONGEST *) xml_find_attribute (attributes, "type")->value.get ();
- mem_region_init (r);
- r->lo = *start_p;
- r->hi = r->lo + *length_p;
- r->attrib.mode = *type_p;
- r->attrib.blocksize = -1;
+ data->memory_map->emplace_back (*start_p, *start_p + *length_p,
+ (enum mem_access_mode) *type_p);
}
/* Handle the end of a <memory> element. Verify that any necessary
const struct gdb_xml_element *element,
void *user_data, const char *body_text)
{
- struct memory_map_parsing_data *data = user_data;
- struct mem_region *r = VEC_last (mem_region_s, *data->memory_map);
+ struct memory_map_parsing_data *data
+ = (struct memory_map_parsing_data *) user_data;
+ const mem_region &r = data->memory_map->back ();
- if (r->attrib.mode == MEM_FLASH && r->attrib.blocksize == -1)
+ if (r.attrib.mode == MEM_FLASH && r.attrib.blocksize == -1)
gdb_xml_error (parser, _("Flash block size is not set"));
}
static void
memory_map_start_property (struct gdb_xml_parser *parser,
const struct gdb_xml_element *element,
- void *user_data, VEC(gdb_xml_value_s) *attributes)
+ void *user_data,
+ std::vector<gdb_xml_value> &attributes)
{
- struct memory_map_parsing_data *data = user_data;
+ struct memory_map_parsing_data *data
+ = (struct memory_map_parsing_data *) user_data;
char *name;
- name = VEC_index (gdb_xml_value_s, attributes, 0)->value;
- snprintf (data->property_name, sizeof (data->property_name), "%s", name);
+ name = (char *) xml_find_attribute (attributes, "name")->value.get ();
+ data->property_name.assign (name);
}
/* Handle the end of a <property> element and its value. */
const struct gdb_xml_element *element,
void *user_data, const char *body_text)
{
- struct memory_map_parsing_data *data = user_data;
- char *name = data->property_name;
+ struct memory_map_parsing_data *data
+ = (struct memory_map_parsing_data *) user_data;
- if (strcmp (name, "blocksize") == 0)
+ if (data->property_name == "blocksize")
{
- struct mem_region *r = VEC_last (mem_region_s, *data->memory_map);
+ mem_region &r = data->memory_map->back ();
- r->attrib.blocksize = gdb_xml_parse_ulongest (parser, body_text);
+ r.attrib.blocksize = gdb_xml_parse_ulongest (parser, body_text);
}
else
- gdb_xml_debug (parser, _("Unknown property \"%s\""), name);
-}
-
-/* Discard the constructed memory map (if an error occurs). */
-
-static void
-clear_result (void *p)
-{
- VEC(mem_region_s) **result = p;
- VEC_free (mem_region_s, *result);
- *result = NULL;
+ gdb_xml_debug (parser, _("Unknown property \"%s\""),
+ data->property_name.c_str ());
}
/* The allowed elements and attributes for an XML memory map. */
{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
};
-VEC(mem_region_s) *
+std::vector<mem_region>
parse_memory_map (const char *memory_map)
{
- struct gdb_xml_parser *parser;
- VEC(mem_region_s) *result = NULL;
- struct cleanup *before_deleting_result, *back_to;
- struct memory_map_parsing_data data = {};
-
- back_to = make_cleanup (null_cleanup, NULL);
- parser = gdb_xml_create_parser_and_cleanup (_("target memory map"),
- memory_map_elements, &data);
+ std::vector<mem_region> ret;
+ memory_map_parsing_data data (&ret);
- /* Note: 'clear_result' will zero 'result'. */
- before_deleting_result = make_cleanup (clear_result, &result);
- data.memory_map = &result;
-
- if (gdb_xml_parse (parser, memory_map) == 0)
- /* Parsed successfully, don't need to delete the result. */
- discard_cleanups (before_deleting_result);
+ if (gdb_xml_parse_quick (_("target memory map"), NULL, memory_map_elements,
+ memory_map, &data) == 0)
+ {
+ /* Parsed successfully, keep the result. */
+ return ret;
+ }
- do_cleanups (back_to);
- return result;
+ return std::vector<mem_region> ();
}
#endif /* HAVE_LIBEXPAT */