1 /* Copyright (C) 2012-2018 Free Software Foundation, Inc.
3 This file is part of GDB.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 init_target_desc (struct target_desc
*tdesc
)
27 for (reg
*reg
: tdesc
->reg_defs
)
33 tdesc
->registers_size
= offset
/ 8;
35 /* Make sure PBUFSIZ is large enough to hold a full register
37 gdb_assert (2 * tdesc
->registers_size
+ 32 <= PBUFSIZ
);
41 allocate_target_description (void)
43 return new target_desc ();
46 #ifndef IN_PROCESS_AGENT
48 static const struct target_desc default_description
{};
51 copy_target_description (struct target_desc
*dest
,
52 const struct target_desc
*src
)
54 dest
->reg_defs
= src
->reg_defs
;
55 dest
->expedite_regs
= src
->expedite_regs
;
56 dest
->registers_size
= src
->registers_size
;
57 dest
->xmltarget
= src
->xmltarget
;
60 const struct target_desc
*
61 current_target_desc (void)
63 if (current_thread
== NULL
)
64 return &default_description
;
66 return current_process ()->tdesc
;
69 /* See arch/tdesc.h. */
72 set_tdesc_architecture (struct target_desc
*target_desc
,
75 target_desc
->arch
= xstrdup (name
);
78 /* See arch/tdesc.h. */
81 set_tdesc_osabi (struct target_desc
*target_desc
, const char *name
)
83 target_desc
->osabi
= xstrdup (name
);
86 /* Return a string which is of XML format, including XML target
87 description to be sent to GDB. */
90 tdesc_get_features_xml (target_desc
*tdesc
)
92 /* Either .xmltarget or .features is not NULL. */
93 gdb_assert (tdesc
->xmltarget
!= NULL
94 || (tdesc
->features
!= NULL
95 && tdesc
->arch
!= NULL
));
97 if (tdesc
->xmltarget
== NULL
)
99 std::string
buffer ("@<?xml version=\"1.0\"?>");
101 buffer
+= "<!DOCTYPE target SYSTEM \"gdb-target.dtd\">";
102 buffer
+= "<target>";
103 buffer
+= "<architecture>";
104 buffer
+= tdesc
->arch
;
105 buffer
+= "</architecture>";
107 if (tdesc
->osabi
!= nullptr)
110 buffer
+= tdesc
->osabi
;
111 buffer
+= "</osabi>";
116 for (int i
= 0; VEC_iterate (char_ptr
, tdesc
->features
, i
, xml
); i
++)
118 buffer
+= "<xi:include href=\"";
123 buffer
+= "</target>";
125 tdesc
->xmltarget
= xstrdup (buffer
.c_str ());
128 return tdesc
->xmltarget
;
135 /* See arch/tdesc.h. */
137 struct tdesc_feature
*
138 tdesc_create_feature (struct target_desc
*tdesc
, const char *name
,
141 #ifndef IN_PROCESS_AGENT
142 VEC_safe_push (char_ptr
, tdesc
->features
, xstrdup (xml
));
147 /* See arch/tdesc.h. */
149 tdesc_type_with_fields
*
150 tdesc_create_flags (struct tdesc_feature
*feature
, const char *name
,
156 /* See arch/tdesc.h. */
159 tdesc_add_flag (tdesc_type_with_fields
*type
, int start
,
160 const char *flag_name
)
163 /* See arch/tdesc.h. */
166 tdesc_named_type (const struct tdesc_feature
*feature
, const char *id
)
171 /* See arch/tdesc.h. */
173 tdesc_type_with_fields
*
174 tdesc_create_union (struct tdesc_feature
*feature
, const char *id
)
179 /* See arch/tdesc.h. */
181 tdesc_type_with_fields
*
182 tdesc_create_struct (struct tdesc_feature
*feature
, const char *id
)
187 /* See arch/tdesc.h. */
190 tdesc_create_reg (struct tdesc_feature
*feature
, const char *name
,
191 int regnum
, int save_restore
, const char *group
,
192 int bitsize
, const char *type
)
194 struct target_desc
*tdesc
= (struct target_desc
*) feature
;
196 while (tdesc
->reg_defs
.size () < regnum
)
198 struct reg
*reg
= XCNEW (struct reg
);
202 tdesc
->reg_defs
.push_back (reg
);
205 gdb_assert (regnum
== 0
206 || regnum
== tdesc
->reg_defs
.size ());
208 struct reg
*reg
= XCNEW (struct reg
);
212 tdesc
->reg_defs
.push_back (reg
);
215 /* See arch/tdesc.h. */
218 tdesc_create_vector (struct tdesc_feature
*feature
, const char *name
,
219 struct tdesc_type
*field_type
, int count
)
225 tdesc_add_bitfield (tdesc_type_with_fields
*type
, const char *field_name
,
229 /* See arch/tdesc.h. */
232 tdesc_add_field (tdesc_type_with_fields
*type
, const char *field_name
,
233 struct tdesc_type
*field_type
)
236 /* See arch/tdesc.h. */
239 tdesc_set_struct_size (tdesc_type_with_fields
*type
, int size
)