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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 | ||
28 | for (reg *reg : reg_defs) | |
29 | xfree (reg); | |
30 | ||
31 | xfree ((char *) arch); | |
32 | xfree ((char *) osabi); | |
33 | ||
34 | char *f; | |
35 | ||
36 | for (i = 0; VEC_iterate (char_ptr, features, i, f); i++) | |
37 | xfree (f); | |
38 | VEC_free (char_ptr, features); | |
39 | } | |
40 | ||
41 | bool target_desc::operator== (const target_desc &other) const | |
42 | { | |
43 | if (reg_defs.size () != other.reg_defs.size ()) | |
44 | return false; | |
45 | ||
46 | for (int i = 0; i < reg_defs.size (); ++i) | |
47 | { | |
48 | struct reg *reg = reg_defs[i]; | |
49 | struct reg *reg2 = other.reg_defs[i]; | |
50 | ||
51 | if (reg != reg2 && *reg != *reg2) | |
52 | return false; | |
53 | } | |
54 | ||
55 | /* Compare expedite_regs. */ | |
56 | int i = 0; | |
57 | for (; expedite_regs[i] != NULL; i++) | |
58 | { | |
59 | if (strcmp (expedite_regs[i], other.expedite_regs[i]) != 0) | |
60 | return false; | |
61 | } | |
62 | if (other.expedite_regs[i] != NULL) | |
63 | return false; | |
64 | ||
65 | return true; | |
66 | } | |
67 | ||
68 | #endif | |
69 | ||
3aee8918 PA |
70 | void |
71 | init_target_desc (struct target_desc *tdesc) | |
72 | { | |
c4dfafab | 73 | int offset = 0; |
3aee8918 | 74 | |
c4dfafab | 75 | for (reg *reg : tdesc->reg_defs) |
3aee8918 | 76 | { |
f7000548 YQ |
77 | reg->offset = offset; |
78 | offset += reg->size; | |
3aee8918 PA |
79 | } |
80 | ||
81 | tdesc->registers_size = offset / 8; | |
82 | ||
83 | /* Make sure PBUFSIZ is large enough to hold a full register | |
84 | packet. */ | |
38e08fca | 85 | gdb_assert (2 * tdesc->registers_size + 32 <= PBUFSIZ); |
3aee8918 PA |
86 | } |
87 | ||
5f035c07 YQ |
88 | struct target_desc * |
89 | allocate_target_description (void) | |
90 | { | |
91 | return new target_desc (); | |
92 | } | |
93 | ||
3aee8918 PA |
94 | #ifndef IN_PROCESS_AGENT |
95 | ||
f49ff000 | 96 | static const struct target_desc default_description {}; |
3aee8918 PA |
97 | |
98 | void | |
99 | copy_target_description (struct target_desc *dest, | |
100 | const struct target_desc *src) | |
101 | { | |
102 | dest->reg_defs = src->reg_defs; | |
3aee8918 PA |
103 | dest->expedite_regs = src->expedite_regs; |
104 | dest->registers_size = src->registers_size; | |
105 | dest->xmltarget = src->xmltarget; | |
106 | } | |
107 | ||
108 | const struct target_desc * | |
109 | current_target_desc (void) | |
110 | { | |
0bfdf32f | 111 | if (current_thread == NULL) |
3aee8918 PA |
112 | return &default_description; |
113 | ||
114 | return current_process ()->tdesc; | |
115 | } | |
0abe8a89 | 116 | |
f46cd62a | 117 | /* See common/tdesc.h. */ |
5f035c07 | 118 | |
0abe8a89 YQ |
119 | void |
120 | set_tdesc_architecture (struct target_desc *target_desc, | |
121 | const char *name) | |
122 | { | |
123 | target_desc->arch = xstrdup (name); | |
124 | } | |
125 | ||
f46cd62a | 126 | /* See common/tdesc.h. */ |
5f035c07 | 127 | |
0abe8a89 YQ |
128 | void |
129 | set_tdesc_osabi (struct target_desc *target_desc, const char *name) | |
130 | { | |
131 | target_desc->osabi = xstrdup (name); | |
132 | } | |
133 | ||
134 | /* Return a string which is of XML format, including XML target | |
135 | description to be sent to GDB. */ | |
136 | ||
137 | const char * | |
138 | tdesc_get_features_xml (target_desc *tdesc) | |
139 | { | |
140 | /* Either .xmltarget or .features is not NULL. */ | |
141 | gdb_assert (tdesc->xmltarget != NULL | |
142 | || (tdesc->features != NULL | |
1d0aa65c | 143 | && tdesc->arch != NULL)); |
0abe8a89 YQ |
144 | |
145 | if (tdesc->xmltarget == NULL) | |
146 | { | |
147 | std::string buffer ("@<?xml version=\"1.0\"?>"); | |
148 | ||
149 | buffer += "<!DOCTYPE target SYSTEM \"gdb-target.dtd\">"; | |
150 | buffer += "<target>"; | |
151 | buffer += "<architecture>"; | |
152 | buffer += tdesc->arch; | |
153 | buffer += "</architecture>"; | |
154 | ||
1d0aa65c AH |
155 | if (tdesc->osabi != nullptr) |
156 | { | |
157 | buffer += "<osabi>"; | |
158 | buffer += tdesc->osabi; | |
159 | buffer += "</osabi>"; | |
160 | } | |
0abe8a89 YQ |
161 | |
162 | char *xml; | |
163 | ||
164 | for (int i = 0; VEC_iterate (char_ptr, tdesc->features, i, xml); i++) | |
165 | { | |
166 | buffer += "<xi:include href=\""; | |
167 | buffer += xml; | |
168 | buffer += "\"/>"; | |
169 | } | |
170 | ||
171 | buffer += "</target>"; | |
172 | ||
173 | tdesc->xmltarget = xstrdup (buffer.c_str ()); | |
174 | } | |
175 | ||
176 | return tdesc->xmltarget; | |
177 | } | |
3aee8918 | 178 | #endif |
f49ff000 YQ |
179 | |
180 | struct tdesc_type | |
181 | {}; | |
182 | ||
f46cd62a | 183 | /* See common/tdesc.h. */ |
f49ff000 YQ |
184 | |
185 | struct tdesc_feature * | |
0abe8a89 YQ |
186 | tdesc_create_feature (struct target_desc *tdesc, const char *name, |
187 | const char *xml) | |
f49ff000 | 188 | { |
0abe8a89 YQ |
189 | #ifndef IN_PROCESS_AGENT |
190 | VEC_safe_push (char_ptr, tdesc->features, xstrdup (xml)); | |
191 | #endif | |
f49ff000 YQ |
192 | return tdesc; |
193 | } | |
194 | ||
f46cd62a | 195 | /* See common/tdesc.h. */ |
f49ff000 | 196 | |
d4a0e8b5 | 197 | tdesc_type_with_fields * |
f49ff000 YQ |
198 | tdesc_create_flags (struct tdesc_feature *feature, const char *name, |
199 | int size) | |
200 | { | |
201 | return NULL; | |
202 | } | |
203 | ||
f46cd62a | 204 | /* See common/tdesc.h. */ |
f49ff000 YQ |
205 | |
206 | void | |
d4a0e8b5 | 207 | tdesc_add_flag (tdesc_type_with_fields *type, int start, |
f49ff000 YQ |
208 | const char *flag_name) |
209 | {} | |
210 | ||
f46cd62a | 211 | /* See common/tdesc.h. */ |
f49ff000 YQ |
212 | |
213 | struct tdesc_type * | |
214 | tdesc_named_type (const struct tdesc_feature *feature, const char *id) | |
215 | { | |
216 | return NULL; | |
217 | } | |
218 | ||
f46cd62a | 219 | /* See common/tdesc.h. */ |
f49ff000 | 220 | |
d4a0e8b5 | 221 | tdesc_type_with_fields * |
f49ff000 YQ |
222 | tdesc_create_union (struct tdesc_feature *feature, const char *id) |
223 | { | |
224 | return NULL; | |
225 | } | |
226 | ||
f46cd62a | 227 | /* See common/tdesc.h. */ |
f49ff000 | 228 | |
d4a0e8b5 | 229 | tdesc_type_with_fields * |
f49ff000 YQ |
230 | tdesc_create_struct (struct tdesc_feature *feature, const char *id) |
231 | { | |
232 | return NULL; | |
233 | } | |
234 | ||
f46cd62a | 235 | /* See common/tdesc.h. */ |
f49ff000 YQ |
236 | |
237 | void | |
238 | tdesc_create_reg (struct tdesc_feature *feature, const char *name, | |
239 | int regnum, int save_restore, const char *group, | |
240 | int bitsize, const char *type) | |
241 | { | |
242 | struct target_desc *tdesc = (struct target_desc *) feature; | |
243 | ||
c4dfafab | 244 | while (tdesc->reg_defs.size () < regnum) |
f49ff000 YQ |
245 | { |
246 | struct reg *reg = XCNEW (struct reg); | |
247 | ||
248 | reg->name = ""; | |
249 | reg->size = 0; | |
c4dfafab | 250 | tdesc->reg_defs.push_back (reg); |
f49ff000 YQ |
251 | } |
252 | ||
253 | gdb_assert (regnum == 0 | |
c4dfafab | 254 | || regnum == tdesc->reg_defs.size ()); |
f49ff000 YQ |
255 | |
256 | struct reg *reg = XCNEW (struct reg); | |
257 | ||
258 | reg->name = name; | |
259 | reg->size = bitsize; | |
c4dfafab | 260 | tdesc->reg_defs.push_back (reg); |
f49ff000 YQ |
261 | } |
262 | ||
f46cd62a | 263 | /* See common/tdesc.h. */ |
f49ff000 YQ |
264 | |
265 | struct tdesc_type * | |
266 | tdesc_create_vector (struct tdesc_feature *feature, const char *name, | |
267 | struct tdesc_type *field_type, int count) | |
268 | { | |
269 | return NULL; | |
270 | } | |
271 | ||
272 | void | |
d4a0e8b5 | 273 | tdesc_add_bitfield (tdesc_type_with_fields *type, const char *field_name, |
f49ff000 YQ |
274 | int start, int end) |
275 | {} | |
276 | ||
f46cd62a | 277 | /* See common/tdesc.h. */ |
f49ff000 YQ |
278 | |
279 | void | |
d4a0e8b5 | 280 | tdesc_add_field (tdesc_type_with_fields *type, const char *field_name, |
f49ff000 YQ |
281 | struct tdesc_type *field_type) |
282 | {} | |
283 | ||
f46cd62a | 284 | /* See common/tdesc.h. */ |
f49ff000 YQ |
285 | |
286 | void | |
d4a0e8b5 | 287 | tdesc_set_struct_size (tdesc_type_with_fields *type, int size) |
f49ff000 YQ |
288 | { |
289 | } |