1 /* The IGEN simulator generator for GDB, the GNU Debugger.
3 Copyright 2002-2014 Free Software Foundation, Inc.
5 Contributed by Andrew Cagney.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
31 #include "ld-decode.h"
35 #include "gen-itable.h"
43 typedef struct _itable_info
53 itable_h_insn (lf *file,
54 insn_table *entry, insn_entry * instruction, void *data)
57 itable_info *info = data;
58 lf_print__line_ref (file, instruction->line);
59 lf_printf (file, " ");
60 print_function_name (file,
62 instruction->format_name,
63 NULL, NULL, function_name_prefix_itable);
64 lf_printf (file, ",\n");
65 /* update summary info */
66 len = strlen (instruction->format_name);
67 if (info->sizeof_form <= len)
68 info->sizeof_form = len + 1;
69 len = strlen (instruction->name);
70 if (info->sizeof_name <= len)
71 info->sizeof_name = len + 1;
72 len = strlen (filter_filename (instruction->line->file_name));
73 if (info->sizeof_file <= len)
74 info->sizeof_file = len + 1;
78 /* print the list of all the different options */
81 itable_print_enum (lf *file, filter *set, char *name)
84 lf_printf (file, "typedef enum {\n");
86 for (elem = filter_next (set, "");
87 elem != NULL; elem = filter_next (set, elem))
89 lf_printf (file, "%sitable_%s_%s,\n",
90 options.module.itable.prefix.l, name, elem);
91 if (strlen (options.module.itable.prefix.l) > 0)
93 lf_indent_suppress (file);
94 lf_printf (file, "#define itable_%s_%s %sitable_%s_%s\n",
95 name, elem, options.module.itable.prefix.l, name, elem);
98 lf_printf (file, "nr_%sitable_%ss,\n", options.module.itable.prefix.l,
101 lf_indent (file, -2);
102 lf_printf (file, "} %sitable_%ss;\n", options.module.itable.prefix.l, name);
103 if (strlen (options.module.itable.prefix.l) > 0)
105 lf_indent_suppress (file);
106 lf_printf (file, "#define itable_%ss %sitable_%ss\n",
107 name, options.module.itable.prefix.l, name);
108 lf_indent_suppress (file);
109 lf_printf (file, "#define nr_itable_%ss nr_%sitable_%ss\n",
110 name, options.module.itable.prefix.l, name);
114 /* print an array of the option names as strings */
117 itable_print_names (lf *file, filter *set, char *name)
120 lf_printf (file, "const char *%sitable_%s_names[nr_%sitable_%ss + 1] = {\n",
121 options.module.itable.prefix.l, name,
122 options.module.itable.prefix.l, name);
123 lf_indent (file, +2);
124 for (elem = filter_next (set, "");
125 elem != NULL; elem = filter_next (set, elem))
127 lf_printf (file, "\"%s\",\n", elem);
129 lf_printf (file, "0,\n");
130 lf_indent (file, -2);
131 lf_printf (file, "};\n");
135 gen_itable_h (lf *file, insn_table *isa)
137 itable_info *info = ZALLOC (itable_info);
139 /* output an enumerated type for each instruction */
140 lf_printf (file, "typedef enum {\n");
141 insn_table_traverse_insn (file, isa, itable_h_insn, info);
142 lf_printf (file, " nr_%sitable_entries,\n",
143 options.module.itable.prefix.l);
144 lf_printf (file, "} %sitable_index;\n", options.module.itable.prefix.l);
145 lf_printf (file, "\n");
147 /* output an enumeration type for each flag */
148 itable_print_enum (file, isa->flags, "flag");
149 lf_printf (file, "extern const char *%sitable_flag_names[];\n",
150 options.module.itable.prefix.l);
151 lf_printf (file, "\n");
153 /* output an enumeration of all the possible options */
154 itable_print_enum (file, isa->options, "option");
155 lf_printf (file, "extern const char *%sitable_option_names[];\n",
156 options.module.itable.prefix.l);
157 lf_printf (file, "\n");
159 /* output an enumeration of all the processor models */
160 itable_print_enum (file, isa->model->processors, "processor");
161 lf_printf (file, "extern const char *%sitable_processor_names[];\n",
162 options.module.itable.prefix.l);
163 lf_printf (file, "\n");
165 /* output the table that contains the actual instruction info */
166 lf_printf (file, "typedef struct _%sitable_instruction_info {\n",
167 options.module.itable.prefix.l);
168 lf_printf (file, " %sitable_index nr;\n", options.module.itable.prefix.l);
169 lf_printf (file, " char *format;\n");
170 lf_printf (file, " char *form;\n");
171 lf_printf (file, " char *flags;\n");
173 /* nr_itable_* may be zero, so we add 1 to avoid an
174 illegal zero-sized array. */
175 lf_printf (file, " char flag[nr_%sitable_flags + 1];\n",
176 options.module.itable.prefix.l);
177 lf_printf (file, " char *options;\n");
178 lf_printf (file, " char option[nr_%sitable_options + 1];\n",
179 options.module.itable.prefix.l);
180 lf_printf (file, " char *processors;\n");
181 lf_printf (file, " char processor[nr_%sitable_processors + 1];\n",
182 options.module.itable.prefix.l);
183 lf_printf (file, " char *name;\n");
184 lf_printf (file, " char *file;\n");
185 lf_printf (file, " int line_nr;\n");
186 lf_printf (file, "} %sitable_info;\n", options.module.itable.prefix.l);
187 lf_printf (file, "\n");
188 lf_printf (file, "extern %sitable_info %sitable[nr_%sitable_entries];\n",
189 options.module.itable.prefix.l, options.module.itable.prefix.l,
190 options.module.itable.prefix.l);
191 if (strlen (options.module.itable.prefix.l) > 0)
193 lf_indent_suppress (file);
194 lf_printf (file, "#define itable %sitable\n",
195 options.module.itable.prefix.l);
197 lf_printf (file, "\n");
199 /* output an enum defining the max size of various itable members */
200 lf_printf (file, "enum {\n");
201 lf_printf (file, " sizeof_%sitable_form = %d,\n",
202 options.module.itable.prefix.l, info->sizeof_form);
203 lf_printf (file, " sizeof_%sitable_name = %d,\n",
204 options.module.itable.prefix.l, info->sizeof_name);
205 lf_printf (file, " sizeof_%sitable_file = %d,\n",
206 options.module.itable.prefix.l, info->sizeof_file);
207 lf_printf (file, "};\n");
211 /****************************************************************/
214 itable_print_set (lf *file, filter *set, filter *members)
217 lf_printf (file, "\"");
218 elem = filter_next (members, "");
223 lf_printf (file, "%s", elem);
224 elem = filter_next (members, elem);
227 lf_printf (file, ",");
230 lf_printf (file, "\",\n");
232 lf_printf (file, "{");
233 for (elem = filter_next (set, "");
234 elem != NULL; elem = filter_next (set, elem))
236 if (filter_is_member (members, elem))
238 lf_printf (file, " 1,");
242 lf_printf (file, " 0,");
246 /* always print a dummy element, to avoid empty initializers. */
247 lf_printf (file, " 99 },\n");
252 itable_c_insn (lf *file,
253 insn_table *isa, insn_entry * instruction, void *data)
255 lf_printf (file, "{ ");
256 lf_indent (file, +2);
257 print_function_name (file,
259 instruction->format_name,
260 NULL, NULL, function_name_prefix_itable);
261 lf_printf (file, ",\n");
262 lf_printf (file, "\"");
263 print_insn_words (file, instruction);
264 lf_printf (file, "\",\n");
265 lf_printf (file, "\"%s\",\n", instruction->format_name);
267 itable_print_set (file, isa->flags, instruction->flags);
268 itable_print_set (file, isa->options, instruction->options);
269 itable_print_set (file, isa->model->processors, instruction->processors);
271 lf_printf (file, "\"%s\",\n", instruction->name);
272 lf_printf (file, "\"%s\",\n",
273 filter_filename (instruction->line->file_name));
274 lf_printf (file, "%d,\n", instruction->line->line_nr);
275 lf_printf (file, "},\n");
276 lf_indent (file, -2);
281 gen_itable_c (lf *file, insn_table *isa)
284 lf_printf (file, "#include \"%sitable.h\"\n",
285 options.module.itable.prefix.l);
286 lf_printf (file, "\n");
288 /* FIXME - output model data??? */
289 /* FIXME - output assembler data??? */
291 /* output the flag, option and processor name tables */
292 itable_print_names (file, isa->flags, "flag");
293 itable_print_names (file, isa->options, "option");
294 itable_print_names (file, isa->model->processors, "processor");
296 /* output the table that contains the actual instruction info */
297 lf_printf (file, "%sitable_info %sitable[nr_%sitable_entries] = {\n",
298 options.module.itable.prefix.l,
299 options.module.itable.prefix.l, options.module.itable.prefix.l);
300 insn_table_traverse_insn (file, isa, itable_c_insn, NULL);
302 lf_printf (file, "};\n");