1 /* Routines for handling XML memory maps provided by target.
3 Copyright (C) 2006-2017 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #include "memory-map.h"
23 #if !defined(HAVE_LIBEXPAT)
25 std::vector
<mem_region
>
26 parse_memory_map (const char *memory_map
)
28 static int have_warned
;
33 warning (_("Can not parse XML memory map; XML support was disabled "
37 return std::vector
<mem_region
> ();
40 #else /* HAVE_LIBEXPAT */
42 #include "xml-support.h"
44 /* Internal parsing data passed to all XML callbacks. */
45 struct memory_map_parsing_data
47 memory_map_parsing_data (std::vector
<mem_region
> *memory_map_
)
48 : memory_map (memory_map_
)
51 std::vector
<mem_region
> *memory_map
;
53 std::string property_name
;
56 /* Handle the start of a <memory> element. */
59 memory_map_start_memory (struct gdb_xml_parser
*parser
,
60 const struct gdb_xml_element
*element
,
61 void *user_data
, VEC(gdb_xml_value_s
) *attributes
)
63 struct memory_map_parsing_data
*data
64 = (struct memory_map_parsing_data
*) user_data
;
65 ULONGEST
*start_p
, *length_p
, *type_p
;
68 = (ULONGEST
*) xml_find_attribute (attributes
, "start")->value
;
70 = (ULONGEST
*) xml_find_attribute (attributes
, "length")->value
;
72 = (ULONGEST
*) xml_find_attribute (attributes
, "type")->value
;
74 data
->memory_map
->emplace_back (*start_p
, *length_p
,
75 (enum mem_access_mode
) *type_p
);
78 /* Handle the end of a <memory> element. Verify that any necessary
79 children were present. */
82 memory_map_end_memory (struct gdb_xml_parser
*parser
,
83 const struct gdb_xml_element
*element
,
84 void *user_data
, const char *body_text
)
86 struct memory_map_parsing_data
*data
87 = (struct memory_map_parsing_data
*) user_data
;
88 const mem_region
&r
= data
->memory_map
->back ();
90 if (r
.attrib
.mode
== MEM_FLASH
&& r
.attrib
.blocksize
== -1)
91 gdb_xml_error (parser
, _("Flash block size is not set"));
94 /* Handle the start of a <property> element by saving the name
95 attribute for later. */
98 memory_map_start_property (struct gdb_xml_parser
*parser
,
99 const struct gdb_xml_element
*element
,
100 void *user_data
, VEC(gdb_xml_value_s
) *attributes
)
102 struct memory_map_parsing_data
*data
103 = (struct memory_map_parsing_data
*) user_data
;
106 name
= (char *) xml_find_attribute (attributes
, "name")->value
;
107 data
->property_name
.assign (name
);
110 /* Handle the end of a <property> element and its value. */
113 memory_map_end_property (struct gdb_xml_parser
*parser
,
114 const struct gdb_xml_element
*element
,
115 void *user_data
, const char *body_text
)
117 struct memory_map_parsing_data
*data
118 = (struct memory_map_parsing_data
*) user_data
;
120 if (data
->property_name
== "blocksize")
122 mem_region
&r
= data
->memory_map
->back ();
124 r
.attrib
.blocksize
= gdb_xml_parse_ulongest (parser
, body_text
);
127 gdb_xml_debug (parser
, _("Unknown property \"%s\""),
128 data
->property_name
.c_str ());
131 /* The allowed elements and attributes for an XML memory map. */
133 const struct gdb_xml_attribute property_attributes
[] = {
134 { "name", GDB_XML_AF_NONE
, NULL
, NULL
},
135 { NULL
, GDB_XML_AF_NONE
, NULL
, NULL
}
138 const struct gdb_xml_element memory_children
[] = {
139 { "property", property_attributes
, NULL
,
140 GDB_XML_EF_REPEATABLE
| GDB_XML_EF_OPTIONAL
,
141 memory_map_start_property
, memory_map_end_property
},
142 { NULL
, NULL
, NULL
, GDB_XML_EF_NONE
, NULL
, NULL
}
145 const struct gdb_xml_enum memory_type_enum
[] = {
148 { "flash", MEM_FLASH
},
152 const struct gdb_xml_attribute memory_attributes
[] = {
153 { "start", GDB_XML_AF_NONE
, gdb_xml_parse_attr_ulongest
, NULL
},
154 { "length", GDB_XML_AF_NONE
, gdb_xml_parse_attr_ulongest
, NULL
},
155 { "type", GDB_XML_AF_NONE
, gdb_xml_parse_attr_enum
, &memory_type_enum
},
156 { NULL
, GDB_XML_AF_NONE
, NULL
, NULL
}
159 const struct gdb_xml_element memory_map_children
[] = {
160 { "memory", memory_attributes
, memory_children
, GDB_XML_EF_REPEATABLE
,
161 memory_map_start_memory
, memory_map_end_memory
},
162 { NULL
, NULL
, NULL
, GDB_XML_EF_NONE
, NULL
, NULL
}
165 const struct gdb_xml_element memory_map_elements
[] = {
166 { "memory-map", NULL
, memory_map_children
, GDB_XML_EF_NONE
,
168 { NULL
, NULL
, NULL
, GDB_XML_EF_NONE
, NULL
, NULL
}
171 std::vector
<mem_region
>
172 parse_memory_map (const char *memory_map
)
174 std::vector
<mem_region
> ret
;
175 memory_map_parsing_data
data (&ret
);
177 if (gdb_xml_parse_quick (_("target memory map"), NULL
, memory_map_elements
,
178 memory_map
, &data
) == 0)
180 /* Parsed successfully, keep the result. */
184 return std::vector
<mem_region
> ();
187 #endif /* HAVE_LIBEXPAT */