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)
29 for (i = 0; VEC_iterate (tdesc_reg_p, tdesc->reg_defs, i, reg); i++)
35 tdesc->registers_size = offset / 8;
37 /* Make sure PBUFSIZ is large enough to hold a full register
39 gdb_assert (2 * tdesc->registers_size + 32 <= PBUFSIZ);
43 allocate_target_description (void)
45 return new target_desc ();
48 #ifndef IN_PROCESS_AGENT
50 static const struct target_desc default_description {};
53 copy_target_description (struct target_desc *dest,
54 const struct target_desc *src)
56 dest->reg_defs = src->reg_defs;
57 dest->expedite_regs = src->expedite_regs;
58 dest->registers_size = src->registers_size;
59 dest->xmltarget = src->xmltarget;
62 const struct target_desc *
63 current_target_desc (void)
65 if (current_thread == NULL)
66 return &default_description;
68 return current_process ()->tdesc;
71 /* See arch/tdesc.h. */
74 set_tdesc_architecture (struct target_desc *target_desc,
77 target_desc->arch = xstrdup (name);
80 /* See arch/tdesc.h. */
83 set_tdesc_osabi (struct target_desc *target_desc, const char *name)
85 target_desc->osabi = xstrdup (name);
88 /* Return a string which is of XML format, including XML target
89 description to be sent to GDB. */
92 tdesc_get_features_xml (target_desc *tdesc)
94 /* Either .xmltarget or .features is not NULL. */
95 gdb_assert (tdesc->xmltarget != NULL
96 || (tdesc->features != NULL
97 && tdesc->arch != NULL
98 && tdesc->osabi != NULL));
100 if (tdesc->xmltarget == NULL)
102 std::string buffer ("@<?xml version=\"1.0\"?>");
104 buffer += "<!DOCTYPE target SYSTEM \"gdb-target.dtd\">";
105 buffer += "<target>";
106 buffer += "<architecture>";
107 buffer += tdesc->arch;
108 buffer += "</architecture>";
111 buffer += tdesc->osabi;
112 buffer += "</osabi>";
116 for (int i = 0; VEC_iterate (char_ptr, tdesc->features, i, xml); i++)
118 buffer += "<xi:include href=\"";
123 buffer += "</target>";
125 tdesc->xmltarget = xstrdup (buffer.c_str ());
128 return tdesc->xmltarget;
135 /* See arch/tdesc.h. */
137 struct tdesc_feature *
138 tdesc_create_feature (struct target_desc *tdesc, const char *name,
141 #ifndef IN_PROCESS_AGENT
142 VEC_safe_push (char_ptr, tdesc->features, xstrdup (xml));
147 /* See arch/tdesc.h. */
150 tdesc_create_flags (struct tdesc_feature *feature, const char *name,
156 /* See arch/tdesc.h. */
159 tdesc_add_flag (struct tdesc_type *type, int start,
160 const char *flag_name)
163 /* See arch/tdesc.h. */
166 tdesc_named_type (const struct tdesc_feature *feature, const char *id)
171 /* See arch/tdesc.h. */
174 tdesc_create_union (struct tdesc_feature *feature, const char *id)
179 /* See arch/tdesc.h. */
182 tdesc_create_struct (struct tdesc_feature *feature, const char *id)
187 /* See arch/tdesc.h. */
190 tdesc_create_reg (struct tdesc_feature *feature, const char *name,
191 int regnum, int save_restore, const char *group,
192 int bitsize, const char *type)
194 struct target_desc *tdesc = (struct target_desc *) feature;
196 while (VEC_length (tdesc_reg_p, tdesc->reg_defs) < regnum)
198 struct reg *reg = XCNEW (struct reg);
202 VEC_safe_push (tdesc_reg_p, tdesc->reg_defs, reg);
205 gdb_assert (regnum == 0
206 || regnum == VEC_length (tdesc_reg_p, tdesc->reg_defs));
208 struct reg *reg = XCNEW (struct reg);
212 VEC_safe_push (tdesc_reg_p, tdesc->reg_defs, reg);
215 /* See arch/tdesc.h. */
218 tdesc_create_vector (struct tdesc_feature *feature, const char *name,
219 struct tdesc_type *field_type, int count)
225 tdesc_add_bitfield (struct tdesc_type *type, const char *field_name,
229 /* See arch/tdesc.h. */
232 tdesc_add_field (struct tdesc_type *type, const char *field_name,
233 struct tdesc_type *field_type)
236 /* See arch/tdesc.h. */
239 tdesc_set_struct_size (struct tdesc_type *type, int size)