Commit | Line | Data |
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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); | |
d80e5242 AH |
30 | } |
31 | ||
32 | bool target_desc::operator== (const target_desc &other) const | |
33 | { | |
5cd3e386 | 34 | if (reg_defs != other.reg_defs) |
d80e5242 AH |
35 | return false; |
36 | ||
d80e5242 AH |
37 | /* Compare expedite_regs. */ |
38 | int i = 0; | |
39 | for (; expedite_regs[i] != NULL; i++) | |
40 | { | |
41 | if (strcmp (expedite_regs[i], other.expedite_regs[i]) != 0) | |
42 | return false; | |
43 | } | |
44 | if (other.expedite_regs[i] != NULL) | |
45 | return false; | |
46 | ||
47 | return true; | |
48 | } | |
49 | ||
50 | #endif | |
51 | ||
3aee8918 PA |
52 | void |
53 | init_target_desc (struct target_desc *tdesc) | |
54 | { | |
c4dfafab | 55 | int offset = 0; |
3aee8918 | 56 | |
5cd3e386 | 57 | for (reg ® : tdesc->reg_defs) |
3aee8918 | 58 | { |
5cd3e386 AH |
59 | reg.offset = offset; |
60 | offset += reg.size; | |
3aee8918 PA |
61 | } |
62 | ||
63 | tdesc->registers_size = offset / 8; | |
64 | ||
65 | /* Make sure PBUFSIZ is large enough to hold a full register | |
66 | packet. */ | |
38e08fca | 67 | gdb_assert (2 * tdesc->registers_size + 32 <= PBUFSIZ); |
3aee8918 PA |
68 | } |
69 | ||
5f035c07 YQ |
70 | struct target_desc * |
71 | allocate_target_description (void) | |
72 | { | |
73 | return new target_desc (); | |
74 | } | |
75 | ||
3aee8918 PA |
76 | #ifndef IN_PROCESS_AGENT |
77 | ||
f49ff000 | 78 | static const struct target_desc default_description {}; |
3aee8918 PA |
79 | |
80 | void | |
81 | copy_target_description (struct target_desc *dest, | |
82 | const struct target_desc *src) | |
83 | { | |
84 | dest->reg_defs = src->reg_defs; | |
3aee8918 PA |
85 | dest->expedite_regs = src->expedite_regs; |
86 | dest->registers_size = src->registers_size; | |
87 | dest->xmltarget = src->xmltarget; | |
88 | } | |
89 | ||
90 | const struct target_desc * | |
91 | current_target_desc (void) | |
92 | { | |
0bfdf32f | 93 | if (current_thread == NULL) |
3aee8918 PA |
94 | return &default_description; |
95 | ||
96 | return current_process ()->tdesc; | |
97 | } | |
0abe8a89 | 98 | |
f46cd62a | 99 | /* See common/tdesc.h. */ |
5f035c07 | 100 | |
0abe8a89 YQ |
101 | void |
102 | set_tdesc_architecture (struct target_desc *target_desc, | |
103 | const char *name) | |
104 | { | |
105 | target_desc->arch = xstrdup (name); | |
106 | } | |
107 | ||
f46cd62a | 108 | /* See common/tdesc.h. */ |
5f035c07 | 109 | |
0abe8a89 YQ |
110 | void |
111 | set_tdesc_osabi (struct target_desc *target_desc, const char *name) | |
112 | { | |
113 | target_desc->osabi = xstrdup (name); | |
114 | } | |
115 | ||
116 | /* Return a string which is of XML format, including XML target | |
117 | description to be sent to GDB. */ | |
118 | ||
119 | const char * | |
120 | tdesc_get_features_xml (target_desc *tdesc) | |
121 | { | |
122 | /* Either .xmltarget or .features is not NULL. */ | |
123 | gdb_assert (tdesc->xmltarget != NULL | |
17d08cd4 | 124 | || (!tdesc->features.empty () |
1d0aa65c | 125 | && tdesc->arch != NULL)); |
0abe8a89 YQ |
126 | |
127 | if (tdesc->xmltarget == NULL) | |
128 | { | |
129 | std::string buffer ("@<?xml version=\"1.0\"?>"); | |
130 | ||
131 | buffer += "<!DOCTYPE target SYSTEM \"gdb-target.dtd\">"; | |
132 | buffer += "<target>"; | |
133 | buffer += "<architecture>"; | |
134 | buffer += tdesc->arch; | |
135 | buffer += "</architecture>"; | |
136 | ||
1d0aa65c AH |
137 | if (tdesc->osabi != nullptr) |
138 | { | |
139 | buffer += "<osabi>"; | |
140 | buffer += tdesc->osabi; | |
141 | buffer += "</osabi>"; | |
142 | } | |
0abe8a89 | 143 | |
0abe8a89 | 144 | |
17d08cd4 | 145 | for (const std::string &xml : tdesc->features) |
0abe8a89 YQ |
146 | { |
147 | buffer += "<xi:include href=\""; | |
148 | buffer += xml; | |
149 | buffer += "\"/>"; | |
150 | } | |
151 | ||
152 | buffer += "</target>"; | |
153 | ||
154 | tdesc->xmltarget = xstrdup (buffer.c_str ()); | |
155 | } | |
156 | ||
157 | return tdesc->xmltarget; | |
158 | } | |
3aee8918 | 159 | #endif |
f49ff000 YQ |
160 | |
161 | struct tdesc_type | |
162 | {}; | |
163 | ||
f46cd62a | 164 | /* See common/tdesc.h. */ |
f49ff000 YQ |
165 | |
166 | struct tdesc_feature * | |
0abe8a89 YQ |
167 | tdesc_create_feature (struct target_desc *tdesc, const char *name, |
168 | const char *xml) | |
f49ff000 | 169 | { |
0abe8a89 | 170 | #ifndef IN_PROCESS_AGENT |
17d08cd4 | 171 | tdesc->features.emplace_back (xml); |
0abe8a89 | 172 | #endif |
f49ff000 YQ |
173 | return tdesc; |
174 | } | |
175 | ||
f46cd62a | 176 | /* See common/tdesc.h. */ |
f49ff000 | 177 | |
d4a0e8b5 | 178 | tdesc_type_with_fields * |
f49ff000 YQ |
179 | tdesc_create_flags (struct tdesc_feature *feature, const char *name, |
180 | int size) | |
181 | { | |
182 | return NULL; | |
183 | } | |
184 | ||
f46cd62a | 185 | /* See common/tdesc.h. */ |
f49ff000 YQ |
186 | |
187 | void | |
d4a0e8b5 | 188 | tdesc_add_flag (tdesc_type_with_fields *type, int start, |
f49ff000 YQ |
189 | const char *flag_name) |
190 | {} | |
191 | ||
f46cd62a | 192 | /* See common/tdesc.h. */ |
f49ff000 YQ |
193 | |
194 | struct tdesc_type * | |
195 | tdesc_named_type (const struct tdesc_feature *feature, const char *id) | |
196 | { | |
197 | return NULL; | |
198 | } | |
199 | ||
f46cd62a | 200 | /* See common/tdesc.h. */ |
f49ff000 | 201 | |
d4a0e8b5 | 202 | tdesc_type_with_fields * |
f49ff000 YQ |
203 | tdesc_create_union (struct tdesc_feature *feature, const char *id) |
204 | { | |
205 | return NULL; | |
206 | } | |
207 | ||
f46cd62a | 208 | /* See common/tdesc.h. */ |
f49ff000 | 209 | |
d4a0e8b5 | 210 | tdesc_type_with_fields * |
f49ff000 YQ |
211 | tdesc_create_struct (struct tdesc_feature *feature, const char *id) |
212 | { | |
213 | return NULL; | |
214 | } | |
215 | ||
f46cd62a | 216 | /* See common/tdesc.h. */ |
f49ff000 YQ |
217 | |
218 | void | |
219 | tdesc_create_reg (struct tdesc_feature *feature, const char *name, | |
220 | int regnum, int save_restore, const char *group, | |
221 | int bitsize, const char *type) | |
222 | { | |
223 | struct target_desc *tdesc = (struct target_desc *) feature; | |
224 | ||
5cd3e386 | 225 | gdb_assert (regnum == 0 || regnum >= tdesc->reg_defs.size ()); |
f49ff000 | 226 | |
5cd3e386 AH |
227 | if (regnum != 0) |
228 | tdesc->reg_defs.resize (regnum); | |
f49ff000 | 229 | |
5cd3e386 | 230 | tdesc->reg_defs.emplace_back (name, bitsize); |
f49ff000 YQ |
231 | } |
232 | ||
f46cd62a | 233 | /* See common/tdesc.h. */ |
f49ff000 YQ |
234 | |
235 | struct tdesc_type * | |
236 | tdesc_create_vector (struct tdesc_feature *feature, const char *name, | |
237 | struct tdesc_type *field_type, int count) | |
238 | { | |
239 | return NULL; | |
240 | } | |
241 | ||
242 | void | |
d4a0e8b5 | 243 | tdesc_add_bitfield (tdesc_type_with_fields *type, const char *field_name, |
f49ff000 YQ |
244 | int start, int end) |
245 | {} | |
246 | ||
f46cd62a | 247 | /* See common/tdesc.h. */ |
f49ff000 YQ |
248 | |
249 | void | |
d4a0e8b5 | 250 | tdesc_add_field (tdesc_type_with_fields *type, const char *field_name, |
f49ff000 YQ |
251 | struct tdesc_type *field_type) |
252 | {} | |
253 | ||
f46cd62a | 254 | /* See common/tdesc.h. */ |
f49ff000 YQ |
255 | |
256 | void | |
d4a0e8b5 | 257 | tdesc_set_struct_size (tdesc_type_with_fields *type, int size) |
f49ff000 YQ |
258 | { |
259 | } |