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e2882c85 | 1 | /* Copyright (C) 2012-2018 Free Software Foundation, Inc. |
3aee8918 PA |
2 | |
3 | This file is part of GDB. | |
4 | ||
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. | |
9 | ||
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. | |
14 | ||
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/>. */ | |
17 | ||
18 | #include "server.h" | |
19 | #include "tdesc.h" | |
20 | #include "regdef.h" | |
21 | ||
d80e5242 AH |
22 | #ifndef IN_PROCESS_AGENT |
23 | ||
24 | target_desc::~target_desc () | |
25 | { | |
26 | int i; | |
27 | ||
d80e5242 AH |
28 | xfree ((char *) arch); |
29 | xfree ((char *) osabi); | |
30 | ||
31 | char *f; | |
32 | ||
33 | for (i = 0; VEC_iterate (char_ptr, features, i, f); i++) | |
34 | xfree (f); | |
35 | VEC_free (char_ptr, features); | |
36 | } | |
37 | ||
38 | bool target_desc::operator== (const target_desc &other) const | |
39 | { | |
5cd3e386 | 40 | if (reg_defs != other.reg_defs) |
d80e5242 AH |
41 | return false; |
42 | ||
d80e5242 AH |
43 | /* Compare expedite_regs. */ |
44 | int i = 0; | |
45 | for (; expedite_regs[i] != NULL; i++) | |
46 | { | |
47 | if (strcmp (expedite_regs[i], other.expedite_regs[i]) != 0) | |
48 | return false; | |
49 | } | |
50 | if (other.expedite_regs[i] != NULL) | |
51 | return false; | |
52 | ||
53 | return true; | |
54 | } | |
55 | ||
56 | #endif | |
57 | ||
3aee8918 PA |
58 | void |
59 | init_target_desc (struct target_desc *tdesc) | |
60 | { | |
c4dfafab | 61 | int offset = 0; |
3aee8918 | 62 | |
5cd3e386 | 63 | for (reg ® : tdesc->reg_defs) |
3aee8918 | 64 | { |
5cd3e386 AH |
65 | reg.offset = offset; |
66 | offset += reg.size; | |
3aee8918 PA |
67 | } |
68 | ||
69 | tdesc->registers_size = offset / 8; | |
70 | ||
71 | /* Make sure PBUFSIZ is large enough to hold a full register | |
72 | packet. */ | |
38e08fca | 73 | gdb_assert (2 * tdesc->registers_size + 32 <= PBUFSIZ); |
3aee8918 PA |
74 | } |
75 | ||
5f035c07 YQ |
76 | struct target_desc * |
77 | allocate_target_description (void) | |
78 | { | |
79 | return new target_desc (); | |
80 | } | |
81 | ||
3aee8918 PA |
82 | #ifndef IN_PROCESS_AGENT |
83 | ||
f49ff000 | 84 | static const struct target_desc default_description {}; |
3aee8918 PA |
85 | |
86 | void | |
87 | copy_target_description (struct target_desc *dest, | |
88 | const struct target_desc *src) | |
89 | { | |
90 | dest->reg_defs = src->reg_defs; | |
3aee8918 PA |
91 | dest->expedite_regs = src->expedite_regs; |
92 | dest->registers_size = src->registers_size; | |
93 | dest->xmltarget = src->xmltarget; | |
94 | } | |
95 | ||
96 | const struct target_desc * | |
97 | current_target_desc (void) | |
98 | { | |
0bfdf32f | 99 | if (current_thread == NULL) |
3aee8918 PA |
100 | return &default_description; |
101 | ||
102 | return current_process ()->tdesc; | |
103 | } | |
0abe8a89 | 104 | |
f46cd62a | 105 | /* See common/tdesc.h. */ |
5f035c07 | 106 | |
0abe8a89 YQ |
107 | void |
108 | set_tdesc_architecture (struct target_desc *target_desc, | |
109 | const char *name) | |
110 | { | |
111 | target_desc->arch = xstrdup (name); | |
112 | } | |
113 | ||
f46cd62a | 114 | /* See common/tdesc.h. */ |
5f035c07 | 115 | |
0abe8a89 YQ |
116 | void |
117 | set_tdesc_osabi (struct target_desc *target_desc, const char *name) | |
118 | { | |
119 | target_desc->osabi = xstrdup (name); | |
120 | } | |
121 | ||
122 | /* Return a string which is of XML format, including XML target | |
123 | description to be sent to GDB. */ | |
124 | ||
125 | const char * | |
126 | tdesc_get_features_xml (target_desc *tdesc) | |
127 | { | |
128 | /* Either .xmltarget or .features is not NULL. */ | |
129 | gdb_assert (tdesc->xmltarget != NULL | |
130 | || (tdesc->features != NULL | |
1d0aa65c | 131 | && tdesc->arch != NULL)); |
0abe8a89 YQ |
132 | |
133 | if (tdesc->xmltarget == NULL) | |
134 | { | |
135 | std::string buffer ("@<?xml version=\"1.0\"?>"); | |
136 | ||
137 | buffer += "<!DOCTYPE target SYSTEM \"gdb-target.dtd\">"; | |
138 | buffer += "<target>"; | |
139 | buffer += "<architecture>"; | |
140 | buffer += tdesc->arch; | |
141 | buffer += "</architecture>"; | |
142 | ||
1d0aa65c AH |
143 | if (tdesc->osabi != nullptr) |
144 | { | |
145 | buffer += "<osabi>"; | |
146 | buffer += tdesc->osabi; | |
147 | buffer += "</osabi>"; | |
148 | } | |
0abe8a89 YQ |
149 | |
150 | char *xml; | |
151 | ||
152 | for (int i = 0; VEC_iterate (char_ptr, tdesc->features, i, xml); i++) | |
153 | { | |
154 | buffer += "<xi:include href=\""; | |
155 | buffer += xml; | |
156 | buffer += "\"/>"; | |
157 | } | |
158 | ||
159 | buffer += "</target>"; | |
160 | ||
161 | tdesc->xmltarget = xstrdup (buffer.c_str ()); | |
162 | } | |
163 | ||
164 | return tdesc->xmltarget; | |
165 | } | |
3aee8918 | 166 | #endif |
f49ff000 YQ |
167 | |
168 | struct tdesc_type | |
169 | {}; | |
170 | ||
f46cd62a | 171 | /* See common/tdesc.h. */ |
f49ff000 YQ |
172 | |
173 | struct tdesc_feature * | |
0abe8a89 YQ |
174 | tdesc_create_feature (struct target_desc *tdesc, const char *name, |
175 | const char *xml) | |
f49ff000 | 176 | { |
0abe8a89 YQ |
177 | #ifndef IN_PROCESS_AGENT |
178 | VEC_safe_push (char_ptr, tdesc->features, xstrdup (xml)); | |
179 | #endif | |
f49ff000 YQ |
180 | return tdesc; |
181 | } | |
182 | ||
f46cd62a | 183 | /* See common/tdesc.h. */ |
f49ff000 | 184 | |
d4a0e8b5 | 185 | tdesc_type_with_fields * |
f49ff000 YQ |
186 | tdesc_create_flags (struct tdesc_feature *feature, const char *name, |
187 | int size) | |
188 | { | |
189 | return NULL; | |
190 | } | |
191 | ||
f46cd62a | 192 | /* See common/tdesc.h. */ |
f49ff000 YQ |
193 | |
194 | void | |
d4a0e8b5 | 195 | tdesc_add_flag (tdesc_type_with_fields *type, int start, |
f49ff000 YQ |
196 | const char *flag_name) |
197 | {} | |
198 | ||
f46cd62a | 199 | /* See common/tdesc.h. */ |
f49ff000 YQ |
200 | |
201 | struct tdesc_type * | |
202 | tdesc_named_type (const struct tdesc_feature *feature, const char *id) | |
203 | { | |
204 | return NULL; | |
205 | } | |
206 | ||
f46cd62a | 207 | /* See common/tdesc.h. */ |
f49ff000 | 208 | |
d4a0e8b5 | 209 | tdesc_type_with_fields * |
f49ff000 YQ |
210 | tdesc_create_union (struct tdesc_feature *feature, const char *id) |
211 | { | |
212 | return NULL; | |
213 | } | |
214 | ||
f46cd62a | 215 | /* See common/tdesc.h. */ |
f49ff000 | 216 | |
d4a0e8b5 | 217 | tdesc_type_with_fields * |
f49ff000 YQ |
218 | tdesc_create_struct (struct tdesc_feature *feature, const char *id) |
219 | { | |
220 | return NULL; | |
221 | } | |
222 | ||
f46cd62a | 223 | /* See common/tdesc.h. */ |
f49ff000 YQ |
224 | |
225 | void | |
226 | tdesc_create_reg (struct tdesc_feature *feature, const char *name, | |
227 | int regnum, int save_restore, const char *group, | |
228 | int bitsize, const char *type) | |
229 | { | |
230 | struct target_desc *tdesc = (struct target_desc *) feature; | |
231 | ||
5cd3e386 | 232 | gdb_assert (regnum == 0 || regnum >= tdesc->reg_defs.size ()); |
f49ff000 | 233 | |
5cd3e386 AH |
234 | if (regnum != 0) |
235 | tdesc->reg_defs.resize (regnum); | |
f49ff000 | 236 | |
5cd3e386 | 237 | tdesc->reg_defs.emplace_back (name, bitsize); |
f49ff000 YQ |
238 | } |
239 | ||
f46cd62a | 240 | /* See common/tdesc.h. */ |
f49ff000 YQ |
241 | |
242 | struct tdesc_type * | |
243 | tdesc_create_vector (struct tdesc_feature *feature, const char *name, | |
244 | struct tdesc_type *field_type, int count) | |
245 | { | |
246 | return NULL; | |
247 | } | |
248 | ||
249 | void | |
d4a0e8b5 | 250 | tdesc_add_bitfield (tdesc_type_with_fields *type, const char *field_name, |
f49ff000 YQ |
251 | int start, int end) |
252 | {} | |
253 | ||
f46cd62a | 254 | /* See common/tdesc.h. */ |
f49ff000 YQ |
255 | |
256 | void | |
d4a0e8b5 | 257 | tdesc_add_field (tdesc_type_with_fields *type, const char *field_name, |
f49ff000 YQ |
258 | struct tdesc_type *field_type) |
259 | {} | |
260 | ||
f46cd62a | 261 | /* See common/tdesc.h. */ |
f49ff000 YQ |
262 | |
263 | void | |
d4a0e8b5 | 264 | tdesc_set_struct_size (tdesc_type_with_fields *type, int size) |
f49ff000 YQ |
265 | { |
266 | } |