1 /* Copyright (C) 2012-2017 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
96 && tdesc->osabi != NULL));
98 if (tdesc->xmltarget == NULL)
100 std::string buffer ("@<?xml version=\"1.0\"?>");
102 buffer += "<!DOCTYPE target SYSTEM \"gdb-target.dtd\">";
103 buffer += "<target>";
104 buffer += "<architecture>";
105 buffer += tdesc->arch;
106 buffer += "</architecture>";
109 buffer += tdesc->osabi;
110 buffer += "</osabi>";
114 for (int i = 0; VEC_iterate (char_ptr, tdesc->features, i, xml); i++)
116 buffer += "<xi:include href=\"";
121 buffer += "</target>";
123 tdesc->xmltarget = xstrdup (buffer.c_str ());
126 return tdesc->xmltarget;
133 /* See arch/tdesc.h. */
135 struct tdesc_feature *
136 tdesc_create_feature (struct target_desc *tdesc, const char *name,
139 #ifndef IN_PROCESS_AGENT
140 VEC_safe_push (char_ptr, tdesc->features, xstrdup (xml));
145 /* See arch/tdesc.h. */
148 tdesc_create_flags (struct tdesc_feature *feature, const char *name,
154 /* See arch/tdesc.h. */
157 tdesc_add_flag (struct tdesc_type *type, int start,
158 const char *flag_name)
161 /* See arch/tdesc.h. */
164 tdesc_named_type (const struct tdesc_feature *feature, const char *id)
169 /* See arch/tdesc.h. */
172 tdesc_create_union (struct tdesc_feature *feature, const char *id)
177 /* See arch/tdesc.h. */
180 tdesc_create_struct (struct tdesc_feature *feature, const char *id)
185 /* See arch/tdesc.h. */
188 tdesc_create_reg (struct tdesc_feature *feature, const char *name,
189 int regnum, int save_restore, const char *group,
190 int bitsize, const char *type)
192 struct target_desc *tdesc = (struct target_desc *) feature;
194 while (tdesc->reg_defs.size () < regnum)
196 struct reg *reg = XCNEW (struct reg);
200 tdesc->reg_defs.push_back (reg);
203 gdb_assert (regnum == 0
204 || regnum == tdesc->reg_defs.size ());
206 struct reg *reg = XCNEW (struct reg);
210 tdesc->reg_defs.push_back (reg);
213 /* See arch/tdesc.h. */
216 tdesc_create_vector (struct tdesc_feature *feature, const char *name,
217 struct tdesc_type *field_type, int count)
223 tdesc_add_bitfield (struct tdesc_type *type, const char *field_name,
227 /* See arch/tdesc.h. */
230 tdesc_add_field (struct tdesc_type *type, const char *field_name,
231 struct tdesc_type *field_type)
234 /* See arch/tdesc.h. */
237 tdesc_set_struct_size (struct tdesc_type *type, int size)