Commit | Line | Data |
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feaee4bd AC |
1 | /* The IGEN simulator generator for GDB, the GNU Debugger. |
2 | ||
3 | Copyright 2002 Free Software Foundation, Inc. | |
4 | ||
5 | Contributed by Andrew Cagney. | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
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 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
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. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
23 | |
24 | ||
25 | ||
26 | #include "misc.h" | |
27 | #include "lf.h" | |
28 | #include "table.h" | |
29 | #include "filter.h" | |
30 | #include "igen.h" | |
31 | ||
32 | #include "ld-insn.h" | |
33 | #include "ld-decode.h" | |
34 | ||
35 | #include "gen.h" | |
36 | ||
37 | #include "gen-itable.h" | |
38 | ||
39 | #ifndef NULL | |
40 | #define NULL 0 | |
41 | #endif | |
42 | ||
43 | ||
44 | ||
4e0bf4c4 AC |
45 | typedef struct _itable_info |
46 | { | |
c906108c SS |
47 | int sizeof_form; |
48 | int sizeof_name; | |
49 | int sizeof_file; | |
4e0bf4c4 AC |
50 | } |
51 | itable_info; | |
c906108c SS |
52 | |
53 | ||
54 | static void | |
55 | itable_h_insn (lf *file, | |
4e0bf4c4 | 56 | insn_table *entry, insn_entry * instruction, void *data) |
c906108c SS |
57 | { |
58 | int len; | |
59 | itable_info *info = data; | |
60 | lf_print__line_ref (file, instruction->line); | |
61 | lf_printf (file, " "); | |
62 | print_function_name (file, | |
63 | instruction->name, | |
64 | instruction->format_name, | |
4e0bf4c4 | 65 | NULL, NULL, function_name_prefix_itable); |
c906108c SS |
66 | lf_printf (file, ",\n"); |
67 | /* update summary info */ | |
68 | len = strlen (instruction->format_name); | |
69 | if (info->sizeof_form <= len) | |
70 | info->sizeof_form = len + 1; | |
71 | len = strlen (instruction->name); | |
72 | if (info->sizeof_name <= len) | |
73 | info->sizeof_name = len + 1; | |
74 | len = strlen (filter_filename (instruction->line->file_name)); | |
75 | if (info->sizeof_file <= len) | |
76 | info->sizeof_file = len + 1; | |
77 | } | |
78 | ||
79 | ||
80 | /* print the list of all the different options */ | |
81 | ||
82 | static void | |
4e0bf4c4 | 83 | itable_print_enum (lf *file, filter *set, char *name) |
c906108c SS |
84 | { |
85 | char *elem; | |
86 | lf_printf (file, "typedef enum {\n"); | |
87 | lf_indent (file, +2); | |
88 | for (elem = filter_next (set, ""); | |
4e0bf4c4 | 89 | elem != NULL; elem = filter_next (set, elem)) |
c906108c SS |
90 | { |
91 | lf_printf (file, "%sitable_%s_%s,\n", | |
92 | options.module.itable.prefix.l, name, elem); | |
93 | if (strlen (options.module.itable.prefix.l) > 0) | |
94 | { | |
95 | lf_indent_suppress (file); | |
96 | lf_printf (file, "#define itable_%s_%s %sitable_%s_%s\n", | |
97 | name, elem, options.module.itable.prefix.l, name, elem); | |
98 | } | |
99 | } | |
4e0bf4c4 AC |
100 | lf_printf (file, "nr_%sitable_%ss,\n", options.module.itable.prefix.l, |
101 | name); | |
102 | ||
c906108c SS |
103 | lf_indent (file, -2); |
104 | lf_printf (file, "} %sitable_%ss;\n", options.module.itable.prefix.l, name); | |
105 | if (strlen (options.module.itable.prefix.l) > 0) | |
106 | { | |
107 | lf_indent_suppress (file); | |
108 | lf_printf (file, "#define itable_%ss %sitable_%ss\n", | |
109 | name, options.module.itable.prefix.l, name); | |
110 | lf_indent_suppress (file); | |
111 | lf_printf (file, "#define nr_itable_%ss nr_%sitable_%ss\n", | |
112 | name, options.module.itable.prefix.l, name); | |
113 | } | |
114 | } | |
115 | ||
116 | /* print an array of the option names as strings */ | |
117 | ||
118 | static void | |
4e0bf4c4 | 119 | itable_print_names (lf *file, filter *set, char *name) |
c906108c SS |
120 | { |
121 | char *elem; | |
122 | lf_printf (file, "const char *%sitable_%s_names[nr_%sitable_%ss + 1] = {\n", | |
123 | options.module.itable.prefix.l, name, | |
124 | options.module.itable.prefix.l, name); | |
125 | lf_indent (file, +2); | |
126 | for (elem = filter_next (set, ""); | |
4e0bf4c4 | 127 | elem != NULL; elem = filter_next (set, elem)) |
c906108c SS |
128 | { |
129 | lf_printf (file, "\"%s\",\n", elem); | |
130 | } | |
131 | lf_printf (file, "0,\n"); | |
132 | lf_indent (file, -2); | |
133 | lf_printf (file, "};\n"); | |
134 | } | |
135 | ||
4e0bf4c4 AC |
136 | extern void |
137 | gen_itable_h (lf *file, insn_table *isa) | |
c906108c SS |
138 | { |
139 | itable_info *info = ZALLOC (itable_info); | |
140 | ||
141 | /* output an enumerated type for each instruction */ | |
142 | lf_printf (file, "typedef enum {\n"); | |
143 | insn_table_traverse_insn (file, isa, itable_h_insn, info); | |
4e0bf4c4 AC |
144 | lf_printf (file, " nr_%sitable_entries,\n", |
145 | options.module.itable.prefix.l); | |
c906108c SS |
146 | lf_printf (file, "} %sitable_index;\n", options.module.itable.prefix.l); |
147 | lf_printf (file, "\n"); | |
148 | ||
149 | /* output an enumeration type for each flag */ | |
150 | itable_print_enum (file, isa->flags, "flag"); | |
151 | lf_printf (file, "extern const char *%sitable_flag_names[];\n", | |
152 | options.module.itable.prefix.l); | |
153 | lf_printf (file, "\n"); | |
4e0bf4c4 | 154 | |
c906108c SS |
155 | /* output an enumeration of all the possible options */ |
156 | itable_print_enum (file, isa->options, "option"); | |
157 | lf_printf (file, "extern const char *%sitable_option_names[];\n", | |
158 | options.module.itable.prefix.l); | |
159 | lf_printf (file, "\n"); | |
160 | ||
161 | /* output an enumeration of all the processor models */ | |
162 | itable_print_enum (file, isa->model->processors, "processor"); | |
163 | lf_printf (file, "extern const char *%sitable_processor_names[];\n", | |
164 | options.module.itable.prefix.l); | |
165 | lf_printf (file, "\n"); | |
166 | ||
167 | /* output the table that contains the actual instruction info */ | |
168 | lf_printf (file, "typedef struct _%sitable_instruction_info {\n", | |
169 | options.module.itable.prefix.l); | |
170 | lf_printf (file, " %sitable_index nr;\n", options.module.itable.prefix.l); | |
171 | lf_printf (file, " char *format;\n"); | |
172 | lf_printf (file, " char *form;\n"); | |
173 | lf_printf (file, " char *flags;\n"); | |
174 | ||
175 | /* nr_itable_* may be zero, so we add 1 to avoid an | |
176 | illegal zero-sized array. */ | |
177 | lf_printf (file, " char flag[nr_%sitable_flags + 1];\n", | |
178 | options.module.itable.prefix.l); | |
179 | lf_printf (file, " char *options;\n"); | |
180 | lf_printf (file, " char option[nr_%sitable_options + 1];\n", | |
181 | options.module.itable.prefix.l); | |
182 | lf_printf (file, " char *processors;\n"); | |
183 | lf_printf (file, " char processor[nr_%sitable_processors + 1];\n", | |
184 | options.module.itable.prefix.l); | |
185 | lf_printf (file, " char *name;\n"); | |
186 | lf_printf (file, " char *file;\n"); | |
187 | lf_printf (file, " int line_nr;\n"); | |
188 | lf_printf (file, "} %sitable_info;\n", options.module.itable.prefix.l); | |
189 | lf_printf (file, "\n"); | |
190 | lf_printf (file, "extern %sitable_info %sitable[nr_%sitable_entries];\n", | |
191 | options.module.itable.prefix.l, options.module.itable.prefix.l, | |
192 | options.module.itable.prefix.l); | |
193 | if (strlen (options.module.itable.prefix.l) > 0) | |
194 | { | |
195 | lf_indent_suppress (file); | |
196 | lf_printf (file, "#define itable %sitable\n", | |
197 | options.module.itable.prefix.l); | |
198 | } | |
199 | lf_printf (file, "\n"); | |
200 | ||
201 | /* output an enum defining the max size of various itable members */ | |
202 | lf_printf (file, "enum {\n"); | |
203 | lf_printf (file, " sizeof_%sitable_form = %d,\n", | |
204 | options.module.itable.prefix.l, info->sizeof_form); | |
205 | lf_printf (file, " sizeof_%sitable_name = %d,\n", | |
206 | options.module.itable.prefix.l, info->sizeof_name); | |
207 | lf_printf (file, " sizeof_%sitable_file = %d,\n", | |
208 | options.module.itable.prefix.l, info->sizeof_file); | |
209 | lf_printf (file, "};\n"); | |
210 | } | |
211 | ||
212 | ||
213 | /****************************************************************/ | |
214 | ||
215 | static void | |
4e0bf4c4 | 216 | itable_print_set (lf *file, filter *set, filter *members) |
c906108c SS |
217 | { |
218 | char *elem; | |
219 | lf_printf (file, "\""); | |
220 | elem = filter_next (members, ""); | |
221 | if (elem != NULL) | |
222 | { | |
223 | while (1) | |
224 | { | |
225 | lf_printf (file, "%s", elem); | |
226 | elem = filter_next (members, elem); | |
227 | if (elem == NULL) | |
228 | break; | |
229 | lf_printf (file, ","); | |
230 | } | |
231 | } | |
232 | lf_printf (file, "\",\n"); | |
233 | ||
4e0bf4c4 | 234 | lf_printf (file, "{"); |
c906108c | 235 | for (elem = filter_next (set, ""); |
4e0bf4c4 | 236 | elem != NULL; elem = filter_next (set, elem)) |
c906108c SS |
237 | { |
238 | if (filter_is_member (members, elem)) | |
239 | { | |
240 | lf_printf (file, " 1,"); | |
241 | } | |
242 | else | |
243 | { | |
244 | lf_printf (file, " 0,"); | |
245 | } | |
4e0bf4c4 | 246 | |
c906108c SS |
247 | } |
248 | /* always print a dummy element, to avoid empty initializers. */ | |
4e0bf4c4 | 249 | lf_printf (file, " 99 },\n"); |
c906108c SS |
250 | } |
251 | ||
252 | ||
253 | static void | |
254 | itable_c_insn (lf *file, | |
4e0bf4c4 | 255 | insn_table *isa, insn_entry * instruction, void *data) |
c906108c SS |
256 | { |
257 | lf_printf (file, "{ "); | |
258 | lf_indent (file, +2); | |
259 | print_function_name (file, | |
260 | instruction->name, | |
261 | instruction->format_name, | |
4e0bf4c4 | 262 | NULL, NULL, function_name_prefix_itable); |
c906108c SS |
263 | lf_printf (file, ",\n"); |
264 | lf_printf (file, "\""); | |
265 | print_insn_words (file, instruction); | |
266 | lf_printf (file, "\",\n"); | |
267 | lf_printf (file, "\"%s\",\n", instruction->format_name); | |
268 | ||
269 | itable_print_set (file, isa->flags, instruction->flags); | |
270 | itable_print_set (file, isa->options, instruction->options); | |
271 | itable_print_set (file, isa->model->processors, instruction->processors); | |
272 | ||
4e0bf4c4 AC |
273 | lf_printf (file, "\"%s\",\n", instruction->name); |
274 | lf_printf (file, "\"%s\",\n", | |
275 | filter_filename (instruction->line->file_name)); | |
276 | lf_printf (file, "%d,\n", instruction->line->line_nr); | |
277 | lf_printf (file, "},\n"); | |
c906108c SS |
278 | lf_indent (file, -2); |
279 | } | |
280 | ||
281 | ||
4e0bf4c4 AC |
282 | extern void |
283 | gen_itable_c (lf *file, insn_table *isa) | |
c906108c SS |
284 | { |
285 | /* leader */ | |
4e0bf4c4 AC |
286 | lf_printf (file, "#include \"%sitable.h\"\n", |
287 | options.module.itable.prefix.l); | |
288 | lf_printf (file, "\n"); | |
c906108c SS |
289 | |
290 | /* FIXME - output model data??? */ | |
291 | /* FIXME - output assembler data??? */ | |
292 | ||
293 | /* output the flag, option and processor name tables */ | |
294 | itable_print_names (file, isa->flags, "flag"); | |
295 | itable_print_names (file, isa->options, "option"); | |
296 | itable_print_names (file, isa->model->processors, "processor"); | |
297 | ||
298 | /* output the table that contains the actual instruction info */ | |
299 | lf_printf (file, "%sitable_info %sitable[nr_%sitable_entries] = {\n", | |
300 | options.module.itable.prefix.l, | |
4e0bf4c4 | 301 | options.module.itable.prefix.l, options.module.itable.prefix.l); |
c906108c SS |
302 | insn_table_traverse_insn (file, isa, itable_c_insn, NULL); |
303 | ||
4e0bf4c4 | 304 | lf_printf (file, "};\n"); |
c906108c | 305 | } |