mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-12-05 02:47:05 +00:00
f6071bfaa3
initializer.
202 lines
5.9 KiB
C
202 lines
5.9 KiB
C
/* Routines for handling XML memory maps provided by target.
|
|
|
|
Copyright (C) 2006, 2007 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
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, 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) *
|
|
parse_memory_map (const char *memory_map)
|
|
{
|
|
static int have_warned;
|
|
|
|
if (!have_warned)
|
|
{
|
|
have_warned = 1;
|
|
warning (_("Can not parse XML memory map; XML support was disabled "
|
|
"at compile time"));
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#else /* HAVE_LIBEXPAT */
|
|
|
|
#include "xml-support.h"
|
|
|
|
/* Internal parsing data passed to all XML callbacks. */
|
|
struct memory_map_parsing_data
|
|
{
|
|
VEC(mem_region_s) **memory_map;
|
|
char property_name[32];
|
|
};
|
|
|
|
/* 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)
|
|
{
|
|
struct memory_map_parsing_data *data = user_data;
|
|
struct mem_region *r = VEC_safe_push (mem_region_s, *data->memory_map, NULL);
|
|
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;
|
|
|
|
mem_region_init (r);
|
|
r->lo = *start_p;
|
|
r->hi = r->lo + *length_p;
|
|
r->attrib.mode = *type_p;
|
|
r->attrib.blocksize = -1;
|
|
}
|
|
|
|
/* Handle the end of a <memory> element. Verify that any necessary
|
|
children were present. */
|
|
|
|
static void
|
|
memory_map_end_memory (struct gdb_xml_parser *parser,
|
|
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);
|
|
|
|
if (r->attrib.mode == MEM_FLASH && r->attrib.blocksize == -1)
|
|
gdb_xml_error (parser, _("Flash block size is not set"));
|
|
}
|
|
|
|
/* Handle the start of a <property> element by saving the name
|
|
attribute for later. */
|
|
|
|
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)
|
|
{
|
|
struct memory_map_parsing_data *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);
|
|
}
|
|
|
|
/* Handle the end of a <property> element and its value. */
|
|
|
|
static void
|
|
memory_map_end_property (struct gdb_xml_parser *parser,
|
|
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;
|
|
|
|
if (strcmp (name, "blocksize") == 0)
|
|
{
|
|
struct mem_region *r = VEC_last (mem_region_s, *data->memory_map);
|
|
|
|
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;
|
|
}
|
|
|
|
/* The allowed elements and attributes for an XML memory map. */
|
|
|
|
const struct gdb_xml_attribute property_attributes[] = {
|
|
{ "name", GDB_XML_AF_NONE, NULL, NULL },
|
|
{ NULL, GDB_XML_AF_NONE, NULL, NULL }
|
|
};
|
|
|
|
const struct gdb_xml_element memory_children[] = {
|
|
{ "property", property_attributes, NULL,
|
|
GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL,
|
|
memory_map_start_property, memory_map_end_property },
|
|
{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
|
|
};
|
|
|
|
const struct gdb_xml_enum memory_type_enum[] = {
|
|
{ "ram", MEM_RW },
|
|
{ "rom", MEM_RO },
|
|
{ "flash", MEM_FLASH },
|
|
{ NULL, 0 }
|
|
};
|
|
|
|
const struct gdb_xml_attribute memory_attributes[] = {
|
|
{ "start", GDB_XML_AF_NONE, gdb_xml_parse_attr_ulongest, NULL },
|
|
{ "length", GDB_XML_AF_NONE, gdb_xml_parse_attr_ulongest, NULL },
|
|
{ "type", GDB_XML_AF_NONE, gdb_xml_parse_attr_enum, &memory_type_enum },
|
|
{ NULL, GDB_XML_AF_NONE, NULL, NULL }
|
|
};
|
|
|
|
const struct gdb_xml_element memory_map_children[] = {
|
|
{ "memory", memory_attributes, memory_children, GDB_XML_EF_REPEATABLE,
|
|
memory_map_start_memory, memory_map_end_memory },
|
|
{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
|
|
};
|
|
|
|
const struct gdb_xml_element memory_map_elements[] = {
|
|
{ "memory-map", NULL, memory_map_children, GDB_XML_EF_NONE,
|
|
NULL, NULL },
|
|
{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
|
|
};
|
|
|
|
VEC(mem_region_s) *
|
|
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 = { NULL };
|
|
|
|
back_to = make_cleanup (null_cleanup, NULL);
|
|
parser = gdb_xml_create_parser_and_cleanup (_("target memory map"),
|
|
memory_map_elements, &data);
|
|
|
|
/* 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);
|
|
|
|
do_cleanups (back_to);
|
|
return result;
|
|
}
|
|
|
|
#endif /* HAVE_LIBEXPAT */
|