1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
|
/* The IGEN simulator generator for GDB, the GNU Debugger.
Copyright 2002-2013 Free Software Foundation, Inc.
Contributed by Andrew Cagney.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "misc.h"
#include "lf.h"
#include "table.h"
#include "filter.h"
#include "igen.h"
#include "ld-insn.h"
#include "ld-decode.h"
#include "gen.h"
#include "gen-itable.h"
#ifndef NULL
#define NULL 0
#endif
typedef struct _itable_info
{
int sizeof_form;
int sizeof_name;
int sizeof_file;
}
itable_info;
static void
itable_h_insn (lf *file,
insn_table *entry, insn_entry * instruction, void *data)
{
int len;
itable_info *info = data;
lf_print__line_ref (file, instruction->line);
lf_printf (file, " ");
print_function_name (file,
instruction->name,
instruction->format_name,
NULL, NULL, function_name_prefix_itable);
lf_printf (file, ",\n");
/* update summary info */
len = strlen (instruction->format_name);
if (info->sizeof_form <= len)
info->sizeof_form = len + 1;
len = strlen (instruction->name);
if (info->sizeof_name <= len)
info->sizeof_name = len + 1;
len = strlen (filter_filename (instruction->line->file_name));
if (info->sizeof_file <= len)
info->sizeof_file = len + 1;
}
/* print the list of all the different options */
static void
itable_print_enum (lf *file, filter *set, char *name)
{
char *elem;
lf_printf (file, "typedef enum {\n");
lf_indent (file, +2);
for (elem = filter_next (set, "");
elem != NULL; elem = filter_next (set, elem))
{
lf_printf (file, "%sitable_%s_%s,\n",
options.module.itable.prefix.l, name, elem);
if (strlen (options.module.itable.prefix.l) > 0)
{
lf_indent_suppress (file);
lf_printf (file, "#define itable_%s_%s %sitable_%s_%s\n",
name, elem, options.module.itable.prefix.l, name, elem);
}
}
lf_printf (file, "nr_%sitable_%ss,\n", options.module.itable.prefix.l,
name);
lf_indent (file, -2);
lf_printf (file, "} %sitable_%ss;\n", options.module.itable.prefix.l, name);
if (strlen (options.module.itable.prefix.l) > 0)
{
lf_indent_suppress (file);
lf_printf (file, "#define itable_%ss %sitable_%ss\n",
name, options.module.itable.prefix.l, name);
lf_indent_suppress (file);
lf_printf (file, "#define nr_itable_%ss nr_%sitable_%ss\n",
name, options.module.itable.prefix.l, name);
}
}
/* print an array of the option names as strings */
static void
itable_print_names (lf *file, filter *set, char *name)
{
char *elem;
lf_printf (file, "const char *%sitable_%s_names[nr_%sitable_%ss + 1] = {\n",
options.module.itable.prefix.l, name,
options.module.itable.prefix.l, name);
lf_indent (file, +2);
for (elem = filter_next (set, "");
elem != NULL; elem = filter_next (set, elem))
{
lf_printf (file, "\"%s\",\n", elem);
}
lf_printf (file, "0,\n");
lf_indent (file, -2);
lf_printf (file, "};\n");
}
extern void
gen_itable_h (lf *file, insn_table *isa)
{
itable_info *info = ZALLOC (itable_info);
/* output an enumerated type for each instruction */
lf_printf (file, "typedef enum {\n");
insn_table_traverse_insn (file, isa, itable_h_insn, info);
lf_printf (file, " nr_%sitable_entries,\n",
options.module.itable.prefix.l);
lf_printf (file, "} %sitable_index;\n", options.module.itable.prefix.l);
lf_printf (file, "\n");
/* output an enumeration type for each flag */
itable_print_enum (file, isa->flags, "flag");
lf_printf (file, "extern const char *%sitable_flag_names[];\n",
options.module.itable.prefix.l);
lf_printf (file, "\n");
/* output an enumeration of all the possible options */
itable_print_enum (file, isa->options, "option");
lf_printf (file, "extern const char *%sitable_option_names[];\n",
options.module.itable.prefix.l);
lf_printf (file, "\n");
/* output an enumeration of all the processor models */
itable_print_enum (file, isa->model->processors, "processor");
lf_printf (file, "extern const char *%sitable_processor_names[];\n",
options.module.itable.prefix.l);
lf_printf (file, "\n");
/* output the table that contains the actual instruction info */
lf_printf (file, "typedef struct _%sitable_instruction_info {\n",
options.module.itable.prefix.l);
lf_printf (file, " %sitable_index nr;\n", options.module.itable.prefix.l);
lf_printf (file, " char *format;\n");
lf_printf (file, " char *form;\n");
lf_printf (file, " char *flags;\n");
/* nr_itable_* may be zero, so we add 1 to avoid an
illegal zero-sized array. */
lf_printf (file, " char flag[nr_%sitable_flags + 1];\n",
options.module.itable.prefix.l);
lf_printf (file, " char *options;\n");
lf_printf (file, " char option[nr_%sitable_options + 1];\n",
options.module.itable.prefix.l);
lf_printf (file, " char *processors;\n");
lf_printf (file, " char processor[nr_%sitable_processors + 1];\n",
options.module.itable.prefix.l);
lf_printf (file, " char *name;\n");
lf_printf (file, " char *file;\n");
lf_printf (file, " int line_nr;\n");
lf_printf (file, "} %sitable_info;\n", options.module.itable.prefix.l);
lf_printf (file, "\n");
lf_printf (file, "extern %sitable_info %sitable[nr_%sitable_entries];\n",
options.module.itable.prefix.l, options.module.itable.prefix.l,
options.module.itable.prefix.l);
if (strlen (options.module.itable.prefix.l) > 0)
{
lf_indent_suppress (file);
lf_printf (file, "#define itable %sitable\n",
options.module.itable.prefix.l);
}
lf_printf (file, "\n");
/* output an enum defining the max size of various itable members */
lf_printf (file, "enum {\n");
lf_printf (file, " sizeof_%sitable_form = %d,\n",
options.module.itable.prefix.l, info->sizeof_form);
lf_printf (file, " sizeof_%sitable_name = %d,\n",
options.module.itable.prefix.l, info->sizeof_name);
lf_printf (file, " sizeof_%sitable_file = %d,\n",
options.module.itable.prefix.l, info->sizeof_file);
lf_printf (file, "};\n");
}
/****************************************************************/
static void
itable_print_set (lf *file, filter *set, filter *members)
{
char *elem;
lf_printf (file, "\"");
elem = filter_next (members, "");
if (elem != NULL)
{
while (1)
{
lf_printf (file, "%s", elem);
elem = filter_next (members, elem);
if (elem == NULL)
break;
lf_printf (file, ",");
}
}
lf_printf (file, "\",\n");
lf_printf (file, "{");
for (elem = filter_next (set, "");
elem != NULL; elem = filter_next (set, elem))
{
if (filter_is_member (members, elem))
{
lf_printf (file, " 1,");
}
else
{
lf_printf (file, " 0,");
}
}
/* always print a dummy element, to avoid empty initializers. */
lf_printf (file, " 99 },\n");
}
static void
itable_c_insn (lf *file,
insn_table *isa, insn_entry * instruction, void *data)
{
lf_printf (file, "{ ");
lf_indent (file, +2);
print_function_name (file,
instruction->name,
instruction->format_name,
NULL, NULL, function_name_prefix_itable);
lf_printf (file, ",\n");
lf_printf (file, "\"");
print_insn_words (file, instruction);
lf_printf (file, "\",\n");
lf_printf (file, "\"%s\",\n", instruction->format_name);
itable_print_set (file, isa->flags, instruction->flags);
itable_print_set (file, isa->options, instruction->options);
itable_print_set (file, isa->model->processors, instruction->processors);
lf_printf (file, "\"%s\",\n", instruction->name);
lf_printf (file, "\"%s\",\n",
filter_filename (instruction->line->file_name));
lf_printf (file, "%d,\n", instruction->line->line_nr);
lf_printf (file, "},\n");
lf_indent (file, -2);
}
extern void
gen_itable_c (lf *file, insn_table *isa)
{
/* leader */
lf_printf (file, "#include \"%sitable.h\"\n",
options.module.itable.prefix.l);
lf_printf (file, "\n");
/* FIXME - output model data??? */
/* FIXME - output assembler data??? */
/* output the flag, option and processor name tables */
itable_print_names (file, isa->flags, "flag");
itable_print_names (file, isa->options, "option");
itable_print_names (file, isa->model->processors, "processor");
/* output the table that contains the actual instruction info */
lf_printf (file, "%sitable_info %sitable[nr_%sitable_entries] = {\n",
options.module.itable.prefix.l,
options.module.itable.prefix.l, options.module.itable.prefix.l);
insn_table_traverse_insn (file, isa, itable_c_insn, NULL);
lf_printf (file, "};\n");
}
|
