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61baf725 | 1 | /* Copyright (C) 2012-2017 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 | ||
22 | void | |
23 | init_target_desc (struct target_desc *tdesc) | |
24 | { | |
25 | int offset, i; | |
f7000548 | 26 | struct reg *reg; |
3aee8918 PA |
27 | |
28 | offset = 0; | |
f7000548 | 29 | for (i = 0; VEC_iterate (tdesc_reg_p, tdesc->reg_defs, i, reg); i++) |
3aee8918 | 30 | { |
f7000548 YQ |
31 | reg->offset = offset; |
32 | offset += reg->size; | |
3aee8918 PA |
33 | } |
34 | ||
35 | tdesc->registers_size = offset / 8; | |
36 | ||
37 | /* Make sure PBUFSIZ is large enough to hold a full register | |
38 | packet. */ | |
38e08fca | 39 | gdb_assert (2 * tdesc->registers_size + 32 <= PBUFSIZ); |
3aee8918 PA |
40 | } |
41 | ||
42 | #ifndef IN_PROCESS_AGENT | |
43 | ||
f49ff000 | 44 | static const struct target_desc default_description {}; |
3aee8918 PA |
45 | |
46 | void | |
47 | copy_target_description (struct target_desc *dest, | |
48 | const struct target_desc *src) | |
49 | { | |
50 | dest->reg_defs = src->reg_defs; | |
3aee8918 PA |
51 | dest->expedite_regs = src->expedite_regs; |
52 | dest->registers_size = src->registers_size; | |
53 | dest->xmltarget = src->xmltarget; | |
54 | } | |
55 | ||
56 | const struct target_desc * | |
57 | current_target_desc (void) | |
58 | { | |
0bfdf32f | 59 | if (current_thread == NULL) |
3aee8918 PA |
60 | return &default_description; |
61 | ||
62 | return current_process ()->tdesc; | |
63 | } | |
0abe8a89 YQ |
64 | |
65 | void | |
66 | set_tdesc_architecture (struct target_desc *target_desc, | |
67 | const char *name) | |
68 | { | |
69 | target_desc->arch = xstrdup (name); | |
70 | } | |
71 | ||
72 | void | |
73 | set_tdesc_osabi (struct target_desc *target_desc, const char *name) | |
74 | { | |
75 | target_desc->osabi = xstrdup (name); | |
76 | } | |
77 | ||
78 | /* Return a string which is of XML format, including XML target | |
79 | description to be sent to GDB. */ | |
80 | ||
81 | const char * | |
82 | tdesc_get_features_xml (target_desc *tdesc) | |
83 | { | |
84 | /* Either .xmltarget or .features is not NULL. */ | |
85 | gdb_assert (tdesc->xmltarget != NULL | |
86 | || (tdesc->features != NULL | |
87 | && tdesc->arch != NULL | |
88 | && tdesc->osabi != NULL)); | |
89 | ||
90 | if (tdesc->xmltarget == NULL) | |
91 | { | |
92 | std::string buffer ("@<?xml version=\"1.0\"?>"); | |
93 | ||
94 | buffer += "<!DOCTYPE target SYSTEM \"gdb-target.dtd\">"; | |
95 | buffer += "<target>"; | |
96 | buffer += "<architecture>"; | |
97 | buffer += tdesc->arch; | |
98 | buffer += "</architecture>"; | |
99 | ||
100 | buffer += "<osabi>"; | |
101 | buffer += tdesc->osabi; | |
102 | buffer += "</osabi>"; | |
103 | ||
104 | char *xml; | |
105 | ||
106 | for (int i = 0; VEC_iterate (char_ptr, tdesc->features, i, xml); i++) | |
107 | { | |
108 | buffer += "<xi:include href=\""; | |
109 | buffer += xml; | |
110 | buffer += "\"/>"; | |
111 | } | |
112 | ||
113 | buffer += "</target>"; | |
114 | ||
115 | tdesc->xmltarget = xstrdup (buffer.c_str ()); | |
116 | } | |
117 | ||
118 | return tdesc->xmltarget; | |
119 | } | |
3aee8918 | 120 | #endif |
f49ff000 YQ |
121 | |
122 | struct tdesc_type | |
123 | {}; | |
124 | ||
125 | /* See arch/tdesc.h. */ | |
126 | ||
127 | struct tdesc_feature * | |
0abe8a89 YQ |
128 | tdesc_create_feature (struct target_desc *tdesc, const char *name, |
129 | const char *xml) | |
f49ff000 | 130 | { |
0abe8a89 YQ |
131 | #ifndef IN_PROCESS_AGENT |
132 | VEC_safe_push (char_ptr, tdesc->features, xstrdup (xml)); | |
133 | #endif | |
f49ff000 YQ |
134 | return tdesc; |
135 | } | |
136 | ||
137 | /* See arch/tdesc.h. */ | |
138 | ||
139 | struct tdesc_type * | |
140 | tdesc_create_flags (struct tdesc_feature *feature, const char *name, | |
141 | int size) | |
142 | { | |
143 | return NULL; | |
144 | } | |
145 | ||
146 | /* See arch/tdesc.h. */ | |
147 | ||
148 | void | |
149 | tdesc_add_flag (struct tdesc_type *type, int start, | |
150 | const char *flag_name) | |
151 | {} | |
152 | ||
153 | /* See arch/tdesc.h. */ | |
154 | ||
155 | struct tdesc_type * | |
156 | tdesc_named_type (const struct tdesc_feature *feature, const char *id) | |
157 | { | |
158 | return NULL; | |
159 | } | |
160 | ||
161 | /* See arch/tdesc.h. */ | |
162 | ||
163 | struct tdesc_type * | |
164 | tdesc_create_union (struct tdesc_feature *feature, const char *id) | |
165 | { | |
166 | return NULL; | |
167 | } | |
168 | ||
169 | /* See arch/tdesc.h. */ | |
170 | ||
171 | struct tdesc_type * | |
172 | tdesc_create_struct (struct tdesc_feature *feature, const char *id) | |
173 | { | |
174 | return NULL; | |
175 | } | |
176 | ||
177 | /* See arch/tdesc.h. */ | |
178 | ||
179 | void | |
180 | tdesc_create_reg (struct tdesc_feature *feature, const char *name, | |
181 | int regnum, int save_restore, const char *group, | |
182 | int bitsize, const char *type) | |
183 | { | |
184 | struct target_desc *tdesc = (struct target_desc *) feature; | |
185 | ||
186 | while (VEC_length (tdesc_reg_p, tdesc->reg_defs) < regnum) | |
187 | { | |
188 | struct reg *reg = XCNEW (struct reg); | |
189 | ||
190 | reg->name = ""; | |
191 | reg->size = 0; | |
192 | VEC_safe_push (tdesc_reg_p, tdesc->reg_defs, reg); | |
193 | } | |
194 | ||
195 | gdb_assert (regnum == 0 | |
196 | || regnum == VEC_length (tdesc_reg_p, tdesc->reg_defs)); | |
197 | ||
198 | struct reg *reg = XCNEW (struct reg); | |
199 | ||
200 | reg->name = name; | |
201 | reg->size = bitsize; | |
202 | VEC_safe_push (tdesc_reg_p, tdesc->reg_defs, reg); | |
203 | } | |
204 | ||
205 | /* See arch/tdesc.h. */ | |
206 | ||
207 | struct tdesc_type * | |
208 | tdesc_create_vector (struct tdesc_feature *feature, const char *name, | |
209 | struct tdesc_type *field_type, int count) | |
210 | { | |
211 | return NULL; | |
212 | } | |
213 | ||
214 | void | |
215 | tdesc_add_bitfield (struct tdesc_type *type, const char *field_name, | |
216 | int start, int end) | |
217 | {} | |
218 | ||
219 | /* See arch/tdesc.h. */ | |
220 | ||
221 | void | |
222 | tdesc_add_field (struct tdesc_type *type, const char *field_name, | |
223 | struct tdesc_type *field_type) | |
224 | {} | |
225 | ||
226 | /* See arch/tdesc.h. */ | |
227 | ||
228 | void | |
229 | tdesc_set_struct_size (struct tdesc_type *type, int size) | |
230 | { | |
231 | } |