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Commit | Line | Data |
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1da177e4 LT |
1 | /* Generate kernel symbol version hashes. |
2 | Copyright 1996, 1997 Linux International. | |
3 | ||
4 | New implementation contributed by Richard Henderson <rth@tamu.edu> | |
5 | Based on original work by Bjorn Ekwall <bj0rn@blox.se> | |
6 | ||
7 | This file was part of the Linux modutils 2.4.22: moved back into the | |
8 | kernel sources by Rusty Russell/Kai Germaschewski. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify it | |
11 | under the terms of the GNU General Public License as published by the | |
12 | Free Software Foundation; either version 2 of the License, or (at your | |
13 | option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software Foundation, | |
22 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
23 | ||
24 | #include <stdio.h> | |
25 | #include <string.h> | |
26 | #include <stdlib.h> | |
27 | #include <unistd.h> | |
28 | #include <assert.h> | |
29 | #include <stdarg.h> | |
30 | #ifdef __GNU_LIBRARY__ | |
31 | #include <getopt.h> | |
78c04153 | 32 | #endif /* __GNU_LIBRARY__ */ |
1da177e4 LT |
33 | |
34 | #include "genksyms.h" | |
1da177e4 LT |
35 | /*----------------------------------------------------------------------*/ |
36 | ||
37 | #define HASH_BUCKETS 4096 | |
38 | ||
39 | static struct symbol *symtab[HASH_BUCKETS]; | |
ce560686 | 40 | static FILE *debugfile; |
1da177e4 LT |
41 | |
42 | int cur_line = 1; | |
ce560686 | 43 | char *cur_filename; |
1da177e4 | 44 | |
15fde675 | 45 | static int flag_debug, flag_dump_defs, flag_dump_types, flag_warnings; |
ce560686 SR |
46 | static const char *arch = ""; |
47 | static const char *mod_prefix = ""; | |
1da177e4 LT |
48 | |
49 | static int errors; | |
50 | static int nsyms; | |
51 | ||
52 | static struct symbol *expansion_trail; | |
15fde675 | 53 | static struct symbol *visited_symbols; |
1da177e4 | 54 | |
78c04153 SR |
55 | static const char *const symbol_type_name[] = { |
56 | "normal", "typedef", "enum", "struct", "union" | |
1da177e4 LT |
57 | }; |
58 | ||
ce560686 SR |
59 | static int equal_list(struct string_list *a, struct string_list *b); |
60 | static void print_list(FILE * f, struct string_list *list); | |
61 | ||
1da177e4 LT |
62 | /*----------------------------------------------------------------------*/ |
63 | ||
78c04153 SR |
64 | static const unsigned int crctab32[] = { |
65 | 0x00000000U, 0x77073096U, 0xee0e612cU, 0x990951baU, 0x076dc419U, | |
66 | 0x706af48fU, 0xe963a535U, 0x9e6495a3U, 0x0edb8832U, 0x79dcb8a4U, | |
67 | 0xe0d5e91eU, 0x97d2d988U, 0x09b64c2bU, 0x7eb17cbdU, 0xe7b82d07U, | |
68 | 0x90bf1d91U, 0x1db71064U, 0x6ab020f2U, 0xf3b97148U, 0x84be41deU, | |
69 | 0x1adad47dU, 0x6ddde4ebU, 0xf4d4b551U, 0x83d385c7U, 0x136c9856U, | |
70 | 0x646ba8c0U, 0xfd62f97aU, 0x8a65c9ecU, 0x14015c4fU, 0x63066cd9U, | |
71 | 0xfa0f3d63U, 0x8d080df5U, 0x3b6e20c8U, 0x4c69105eU, 0xd56041e4U, | |
72 | 0xa2677172U, 0x3c03e4d1U, 0x4b04d447U, 0xd20d85fdU, 0xa50ab56bU, | |
73 | 0x35b5a8faU, 0x42b2986cU, 0xdbbbc9d6U, 0xacbcf940U, 0x32d86ce3U, | |
74 | 0x45df5c75U, 0xdcd60dcfU, 0xabd13d59U, 0x26d930acU, 0x51de003aU, | |
75 | 0xc8d75180U, 0xbfd06116U, 0x21b4f4b5U, 0x56b3c423U, 0xcfba9599U, | |
76 | 0xb8bda50fU, 0x2802b89eU, 0x5f058808U, 0xc60cd9b2U, 0xb10be924U, | |
77 | 0x2f6f7c87U, 0x58684c11U, 0xc1611dabU, 0xb6662d3dU, 0x76dc4190U, | |
78 | 0x01db7106U, 0x98d220bcU, 0xefd5102aU, 0x71b18589U, 0x06b6b51fU, | |
79 | 0x9fbfe4a5U, 0xe8b8d433U, 0x7807c9a2U, 0x0f00f934U, 0x9609a88eU, | |
80 | 0xe10e9818U, 0x7f6a0dbbU, 0x086d3d2dU, 0x91646c97U, 0xe6635c01U, | |
81 | 0x6b6b51f4U, 0x1c6c6162U, 0x856530d8U, 0xf262004eU, 0x6c0695edU, | |
82 | 0x1b01a57bU, 0x8208f4c1U, 0xf50fc457U, 0x65b0d9c6U, 0x12b7e950U, | |
83 | 0x8bbeb8eaU, 0xfcb9887cU, 0x62dd1ddfU, 0x15da2d49U, 0x8cd37cf3U, | |
84 | 0xfbd44c65U, 0x4db26158U, 0x3ab551ceU, 0xa3bc0074U, 0xd4bb30e2U, | |
85 | 0x4adfa541U, 0x3dd895d7U, 0xa4d1c46dU, 0xd3d6f4fbU, 0x4369e96aU, | |
86 | 0x346ed9fcU, 0xad678846U, 0xda60b8d0U, 0x44042d73U, 0x33031de5U, | |
87 | 0xaa0a4c5fU, 0xdd0d7cc9U, 0x5005713cU, 0x270241aaU, 0xbe0b1010U, | |
88 | 0xc90c2086U, 0x5768b525U, 0x206f85b3U, 0xb966d409U, 0xce61e49fU, | |
89 | 0x5edef90eU, 0x29d9c998U, 0xb0d09822U, 0xc7d7a8b4U, 0x59b33d17U, | |
90 | 0x2eb40d81U, 0xb7bd5c3bU, 0xc0ba6cadU, 0xedb88320U, 0x9abfb3b6U, | |
91 | 0x03b6e20cU, 0x74b1d29aU, 0xead54739U, 0x9dd277afU, 0x04db2615U, | |
92 | 0x73dc1683U, 0xe3630b12U, 0x94643b84U, 0x0d6d6a3eU, 0x7a6a5aa8U, | |
93 | 0xe40ecf0bU, 0x9309ff9dU, 0x0a00ae27U, 0x7d079eb1U, 0xf00f9344U, | |
94 | 0x8708a3d2U, 0x1e01f268U, 0x6906c2feU, 0xf762575dU, 0x806567cbU, | |
95 | 0x196c3671U, 0x6e6b06e7U, 0xfed41b76U, 0x89d32be0U, 0x10da7a5aU, | |
96 | 0x67dd4accU, 0xf9b9df6fU, 0x8ebeeff9U, 0x17b7be43U, 0x60b08ed5U, | |
97 | 0xd6d6a3e8U, 0xa1d1937eU, 0x38d8c2c4U, 0x4fdff252U, 0xd1bb67f1U, | |
98 | 0xa6bc5767U, 0x3fb506ddU, 0x48b2364bU, 0xd80d2bdaU, 0xaf0a1b4cU, | |
99 | 0x36034af6U, 0x41047a60U, 0xdf60efc3U, 0xa867df55U, 0x316e8eefU, | |
100 | 0x4669be79U, 0xcb61b38cU, 0xbc66831aU, 0x256fd2a0U, 0x5268e236U, | |
101 | 0xcc0c7795U, 0xbb0b4703U, 0x220216b9U, 0x5505262fU, 0xc5ba3bbeU, | |
102 | 0xb2bd0b28U, 0x2bb45a92U, 0x5cb36a04U, 0xc2d7ffa7U, 0xb5d0cf31U, | |
103 | 0x2cd99e8bU, 0x5bdeae1dU, 0x9b64c2b0U, 0xec63f226U, 0x756aa39cU, | |
104 | 0x026d930aU, 0x9c0906a9U, 0xeb0e363fU, 0x72076785U, 0x05005713U, | |
105 | 0x95bf4a82U, 0xe2b87a14U, 0x7bb12baeU, 0x0cb61b38U, 0x92d28e9bU, | |
106 | 0xe5d5be0dU, 0x7cdcefb7U, 0x0bdbdf21U, 0x86d3d2d4U, 0xf1d4e242U, | |
107 | 0x68ddb3f8U, 0x1fda836eU, 0x81be16cdU, 0xf6b9265bU, 0x6fb077e1U, | |
108 | 0x18b74777U, 0x88085ae6U, 0xff0f6a70U, 0x66063bcaU, 0x11010b5cU, | |
109 | 0x8f659effU, 0xf862ae69U, 0x616bffd3U, 0x166ccf45U, 0xa00ae278U, | |
110 | 0xd70dd2eeU, 0x4e048354U, 0x3903b3c2U, 0xa7672661U, 0xd06016f7U, | |
111 | 0x4969474dU, 0x3e6e77dbU, 0xaed16a4aU, 0xd9d65adcU, 0x40df0b66U, | |
112 | 0x37d83bf0U, 0xa9bcae53U, 0xdebb9ec5U, 0x47b2cf7fU, 0x30b5ffe9U, | |
113 | 0xbdbdf21cU, 0xcabac28aU, 0x53b39330U, 0x24b4a3a6U, 0xbad03605U, | |
114 | 0xcdd70693U, 0x54de5729U, 0x23d967bfU, 0xb3667a2eU, 0xc4614ab8U, | |
115 | 0x5d681b02U, 0x2a6f2b94U, 0xb40bbe37U, 0xc30c8ea1U, 0x5a05df1bU, | |
116 | 0x2d02ef8dU | |
1da177e4 LT |
117 | }; |
118 | ||
ce560686 | 119 | static unsigned long partial_crc32_one(unsigned char c, unsigned long crc) |
1da177e4 | 120 | { |
78c04153 | 121 | return crctab32[(crc ^ c) & 0xff] ^ (crc >> 8); |
1da177e4 LT |
122 | } |
123 | ||
ce560686 | 124 | static unsigned long partial_crc32(const char *s, unsigned long crc) |
1da177e4 | 125 | { |
78c04153 SR |
126 | while (*s) |
127 | crc = partial_crc32_one(*s++, crc); | |
128 | return crc; | |
1da177e4 LT |
129 | } |
130 | ||
ce560686 | 131 | static unsigned long crc32(const char *s) |
1da177e4 | 132 | { |
78c04153 | 133 | return partial_crc32(s, 0xffffffff) ^ 0xffffffff; |
1da177e4 LT |
134 | } |
135 | ||
1da177e4 LT |
136 | /*----------------------------------------------------------------------*/ |
137 | ||
ce560686 | 138 | static enum symbol_type map_to_ns(enum symbol_type t) |
1da177e4 | 139 | { |
78c04153 SR |
140 | if (t == SYM_TYPEDEF) |
141 | t = SYM_NORMAL; | |
142 | else if (t == SYM_UNION) | |
143 | t = SYM_STRUCT; | |
144 | return t; | |
1da177e4 LT |
145 | } |
146 | ||
78c04153 | 147 | struct symbol *find_symbol(const char *name, enum symbol_type ns) |
1da177e4 | 148 | { |
78c04153 SR |
149 | unsigned long h = crc32(name) % HASH_BUCKETS; |
150 | struct symbol *sym; | |
1da177e4 | 151 | |
78c04153 | 152 | for (sym = symtab[h]; sym; sym = sym->hash_next) |
ce560686 SR |
153 | if (map_to_ns(sym->type) == map_to_ns(ns) && |
154 | strcmp(name, sym->name) == 0) | |
78c04153 | 155 | break; |
1da177e4 | 156 | |
78c04153 | 157 | return sym; |
1da177e4 LT |
158 | } |
159 | ||
78c04153 SR |
160 | struct symbol *add_symbol(const char *name, enum symbol_type type, |
161 | struct string_list *defn, int is_extern) | |
1da177e4 | 162 | { |
78c04153 SR |
163 | unsigned long h = crc32(name) % HASH_BUCKETS; |
164 | struct symbol *sym; | |
165 | ||
ce560686 | 166 | for (sym = symtab[h]; sym; sym = sym->hash_next) { |
78c04153 SR |
167 | if (map_to_ns(sym->type) == map_to_ns(type) |
168 | && strcmp(name, sym->name) == 0) { | |
169 | if (!equal_list(sym->defn, defn)) | |
170 | error_with_pos("redefinition of %s", name); | |
171 | return sym; | |
172 | } | |
ce560686 | 173 | } |
78c04153 SR |
174 | |
175 | sym = xmalloc(sizeof(*sym)); | |
176 | sym->name = name; | |
177 | sym->type = type; | |
178 | sym->defn = defn; | |
179 | sym->expansion_trail = NULL; | |
15fde675 | 180 | sym->visited = NULL; |
78c04153 SR |
181 | sym->is_extern = is_extern; |
182 | ||
183 | sym->hash_next = symtab[h]; | |
184 | symtab[h] = sym; | |
185 | ||
186 | if (flag_debug) { | |
187 | fprintf(debugfile, "Defn for %s %s == <", | |
188 | symbol_type_name[type], name); | |
189 | if (is_extern) | |
190 | fputs("extern ", debugfile); | |
191 | print_list(debugfile, defn); | |
192 | fputs(">\n", debugfile); | |
193 | } | |
194 | ||
195 | ++nsyms; | |
1da177e4 | 196 | return sym; |
1da177e4 LT |
197 | } |
198 | ||
1da177e4 LT |
199 | /*----------------------------------------------------------------------*/ |
200 | ||
ce560686 | 201 | void free_node(struct string_list *node) |
1da177e4 | 202 | { |
78c04153 SR |
203 | free(node->string); |
204 | free(node); | |
1da177e4 LT |
205 | } |
206 | ||
78c04153 | 207 | void free_list(struct string_list *s, struct string_list *e) |
1da177e4 | 208 | { |
78c04153 SR |
209 | while (s != e) { |
210 | struct string_list *next = s->next; | |
211 | free_node(s); | |
212 | s = next; | |
213 | } | |
1da177e4 LT |
214 | } |
215 | ||
ce560686 | 216 | struct string_list *copy_node(struct string_list *node) |
1da177e4 | 217 | { |
78c04153 | 218 | struct string_list *newnode; |
1da177e4 | 219 | |
78c04153 SR |
220 | newnode = xmalloc(sizeof(*newnode)); |
221 | newnode->string = xstrdup(node->string); | |
222 | newnode->tag = node->tag; | |
1da177e4 | 223 | |
78c04153 | 224 | return newnode; |
1da177e4 LT |
225 | } |
226 | ||
ce560686 | 227 | static int equal_list(struct string_list *a, struct string_list *b) |
1da177e4 | 228 | { |
78c04153 SR |
229 | while (a && b) { |
230 | if (a->tag != b->tag || strcmp(a->string, b->string)) | |
231 | return 0; | |
232 | a = a->next; | |
233 | b = b->next; | |
234 | } | |
1da177e4 | 235 | |
78c04153 | 236 | return !a && !b; |
1da177e4 LT |
237 | } |
238 | ||
ce560686 | 239 | static void print_node(FILE * f, struct string_list *list) |
1da177e4 | 240 | { |
15fde675 AG |
241 | if (list->tag != SYM_NORMAL) { |
242 | putc(symbol_type_name[list->tag][0], f); | |
78c04153 | 243 | putc('#', f); |
78c04153 | 244 | } |
15fde675 | 245 | fputs(list->string, f); |
1da177e4 LT |
246 | } |
247 | ||
ce560686 | 248 | static void print_list(FILE * f, struct string_list *list) |
1da177e4 | 249 | { |
78c04153 SR |
250 | struct string_list **e, **b; |
251 | struct string_list *tmp, **tmp2; | |
252 | int elem = 1; | |
1da177e4 | 253 | |
78c04153 SR |
254 | if (list == NULL) { |
255 | fputs("(nil)", f); | |
256 | return; | |
257 | } | |
1da177e4 | 258 | |
78c04153 SR |
259 | tmp = list; |
260 | while ((tmp = tmp->next) != NULL) | |
261 | elem++; | |
1da177e4 | 262 | |
78c04153 SR |
263 | b = alloca(elem * sizeof(*e)); |
264 | e = b + elem; | |
265 | tmp2 = e - 1; | |
1da177e4 | 266 | |
78c04153 SR |
267 | (*tmp2--) = list; |
268 | while ((list = list->next) != NULL) | |
269 | *(tmp2--) = list; | |
1da177e4 | 270 | |
78c04153 SR |
271 | while (b != e) { |
272 | print_node(f, *b++); | |
273 | putc(' ', f); | |
274 | } | |
275 | } | |
1da177e4 | 276 | |
15fde675 | 277 | static unsigned long expand_and_crc_sym(struct symbol *sym, unsigned long crc) |
78c04153 | 278 | { |
15fde675 | 279 | struct string_list *list = sym->defn; |
78c04153 SR |
280 | struct string_list **e, **b; |
281 | struct string_list *tmp, **tmp2; | |
282 | int elem = 1; | |
283 | ||
284 | if (!list) | |
285 | return crc; | |
286 | ||
287 | tmp = list; | |
288 | while ((tmp = tmp->next) != NULL) | |
289 | elem++; | |
290 | ||
291 | b = alloca(elem * sizeof(*e)); | |
292 | e = b + elem; | |
293 | tmp2 = e - 1; | |
294 | ||
295 | *(tmp2--) = list; | |
296 | while ((list = list->next) != NULL) | |
297 | *(tmp2--) = list; | |
298 | ||
299 | while (b != e) { | |
300 | struct string_list *cur; | |
301 | struct symbol *subsym; | |
302 | ||
303 | cur = *(b++); | |
304 | switch (cur->tag) { | |
305 | case SYM_NORMAL: | |
306 | if (flag_dump_defs) | |
307 | fprintf(debugfile, "%s ", cur->string); | |
308 | crc = partial_crc32(cur->string, crc); | |
309 | crc = partial_crc32_one(' ', crc); | |
310 | break; | |
311 | ||
312 | case SYM_TYPEDEF: | |
313 | subsym = find_symbol(cur->string, cur->tag); | |
314 | if (subsym->expansion_trail) { | |
315 | if (flag_dump_defs) | |
316 | fprintf(debugfile, "%s ", cur->string); | |
317 | crc = partial_crc32(cur->string, crc); | |
318 | crc = partial_crc32_one(' ', crc); | |
319 | } else { | |
320 | subsym->expansion_trail = expansion_trail; | |
321 | expansion_trail = subsym; | |
15fde675 | 322 | crc = expand_and_crc_sym(subsym, crc); |
78c04153 SR |
323 | } |
324 | break; | |
325 | ||
326 | case SYM_STRUCT: | |
327 | case SYM_UNION: | |
328 | case SYM_ENUM: | |
329 | subsym = find_symbol(cur->string, cur->tag); | |
330 | if (!subsym) { | |
331 | struct string_list *n, *t = NULL; | |
332 | ||
333 | error_with_pos("expand undefined %s %s", | |
334 | symbol_type_name[cur->tag], | |
335 | cur->string); | |
336 | ||
337 | n = xmalloc(sizeof(*n)); | |
338 | n->string = xstrdup(symbol_type_name[cur->tag]); | |
339 | n->tag = SYM_NORMAL; | |
340 | n->next = t; | |
341 | t = n; | |
342 | ||
343 | n = xmalloc(sizeof(*n)); | |
344 | n->string = xstrdup(cur->string); | |
345 | n->tag = SYM_NORMAL; | |
346 | n->next = t; | |
347 | t = n; | |
348 | ||
349 | n = xmalloc(sizeof(*n)); | |
350 | n->string = xstrdup("{ UNKNOWN }"); | |
351 | n->tag = SYM_NORMAL; | |
352 | n->next = t; | |
353 | ||
354 | subsym = | |
355 | add_symbol(cur->string, cur->tag, n, 0); | |
356 | } | |
357 | if (subsym->expansion_trail) { | |
358 | if (flag_dump_defs) { | |
359 | fprintf(debugfile, "%s %s ", | |
360 | symbol_type_name[cur->tag], | |
361 | cur->string); | |
362 | } | |
363 | ||
ce560686 SR |
364 | crc = partial_crc32(symbol_type_name[cur->tag], |
365 | crc); | |
78c04153 SR |
366 | crc = partial_crc32_one(' ', crc); |
367 | crc = partial_crc32(cur->string, crc); | |
368 | crc = partial_crc32_one(' ', crc); | |
369 | } else { | |
370 | subsym->expansion_trail = expansion_trail; | |
371 | expansion_trail = subsym; | |
15fde675 | 372 | crc = expand_and_crc_sym(subsym, crc); |
78c04153 SR |
373 | } |
374 | break; | |
1da177e4 | 375 | } |
1da177e4 | 376 | } |
1da177e4 | 377 | |
15fde675 AG |
378 | { |
379 | static struct symbol **end = &visited_symbols; | |
380 | ||
381 | if (!sym->visited) { | |
382 | *end = sym; | |
383 | end = &sym->visited; | |
384 | sym->visited = (struct symbol *)-1L; | |
385 | } | |
386 | } | |
387 | ||
78c04153 | 388 | return crc; |
1da177e4 LT |
389 | } |
390 | ||
78c04153 | 391 | void export_symbol(const char *name) |
1da177e4 | 392 | { |
78c04153 | 393 | struct symbol *sym; |
1da177e4 | 394 | |
78c04153 SR |
395 | sym = find_symbol(name, SYM_NORMAL); |
396 | if (!sym) | |
397 | error_with_pos("export undefined symbol %s", name); | |
398 | else { | |
399 | unsigned long crc; | |
1da177e4 | 400 | |
78c04153 SR |
401 | if (flag_dump_defs) |
402 | fprintf(debugfile, "Export %s == <", name); | |
1da177e4 | 403 | |
78c04153 | 404 | expansion_trail = (struct symbol *)-1L; |
1da177e4 | 405 | |
15fde675 | 406 | crc = expand_and_crc_sym(sym, 0xffffffff) ^ 0xffffffff; |
1da177e4 | 407 | |
78c04153 SR |
408 | sym = expansion_trail; |
409 | while (sym != (struct symbol *)-1L) { | |
410 | struct symbol *n = sym->expansion_trail; | |
411 | sym->expansion_trail = 0; | |
412 | sym = n; | |
413 | } | |
1da177e4 | 414 | |
78c04153 SR |
415 | if (flag_dump_defs) |
416 | fputs(">\n", debugfile); | |
1da177e4 | 417 | |
78c04153 SR |
418 | /* Used as a linker script. */ |
419 | printf("%s__crc_%s = 0x%08lx ;\n", mod_prefix, name, crc); | |
420 | } | |
1da177e4 LT |
421 | } |
422 | ||
423 | /*----------------------------------------------------------------------*/ | |
78c04153 | 424 | void error_with_pos(const char *fmt, ...) |
1da177e4 | 425 | { |
78c04153 | 426 | va_list args; |
1da177e4 | 427 | |
78c04153 SR |
428 | if (flag_warnings) { |
429 | fprintf(stderr, "%s:%d: ", cur_filename ? : "<stdin>", | |
430 | cur_line); | |
1da177e4 | 431 | |
78c04153 SR |
432 | va_start(args, fmt); |
433 | vfprintf(stderr, fmt, args); | |
434 | va_end(args); | |
435 | putc('\n', stderr); | |
1da177e4 | 436 | |
78c04153 SR |
437 | errors++; |
438 | } | |
1da177e4 LT |
439 | } |
440 | ||
ce560686 | 441 | static void genksyms_usage(void) |
1da177e4 | 442 | { |
36091fd3 | 443 | fputs("Usage:\n" "genksyms [-adDTwqhV] > /path/to/.tmp_obj.ver\n" "\n" |
1da177e4 | 444 | #ifdef __GNU_LIBRARY__ |
36091fd3 | 445 | " -a, --arch Select architecture\n" |
1da177e4 LT |
446 | " -d, --debug Increment the debug level (repeatable)\n" |
447 | " -D, --dump Dump expanded symbol defs (for debugging only)\n" | |
36091fd3 | 448 | " -T, --dump-types file Dump expanded types into file (for debugging only)\n" |
1da177e4 LT |
449 | " -w, --warnings Enable warnings\n" |
450 | " -q, --quiet Disable warnings (default)\n" | |
451 | " -h, --help Print this message\n" | |
452 | " -V, --version Print the release version\n" | |
78c04153 | 453 | #else /* __GNU_LIBRARY__ */ |
36091fd3 | 454 | " -a Select architecture\n" |
78c04153 SR |
455 | " -d Increment the debug level (repeatable)\n" |
456 | " -D Dump expanded symbol defs (for debugging only)\n" | |
36091fd3 | 457 | " -T file Dump expanded types into file (for debugging only)\n" |
78c04153 SR |
458 | " -w Enable warnings\n" |
459 | " -q Disable warnings (default)\n" | |
460 | " -h Print this message\n" | |
461 | " -V Print the release version\n" | |
462 | #endif /* __GNU_LIBRARY__ */ | |
1da177e4 LT |
463 | , stderr); |
464 | } | |
465 | ||
78c04153 | 466 | int main(int argc, char **argv) |
1da177e4 | 467 | { |
15fde675 | 468 | FILE *dumpfile = NULL; |
78c04153 | 469 | int o; |
1da177e4 LT |
470 | |
471 | #ifdef __GNU_LIBRARY__ | |
78c04153 SR |
472 | struct option long_opts[] = { |
473 | {"arch", 1, 0, 'a'}, | |
474 | {"debug", 0, 0, 'd'}, | |
475 | {"warnings", 0, 0, 'w'}, | |
476 | {"quiet", 0, 0, 'q'}, | |
477 | {"dump", 0, 0, 'D'}, | |
15fde675 | 478 | {"dump-types", 1, 0, 'T'}, |
78c04153 SR |
479 | {"version", 0, 0, 'V'}, |
480 | {"help", 0, 0, 'h'}, | |
481 | {0, 0, 0, 0} | |
482 | }; | |
483 | ||
36091fd3 | 484 | while ((o = getopt_long(argc, argv, "a:dwqVDT:h", |
78c04153 SR |
485 | &long_opts[0], NULL)) != EOF) |
486 | #else /* __GNU_LIBRARY__ */ | |
36091fd3 | 487 | while ((o = getopt(argc, argv, "a:dwqVDT:h")) != EOF) |
78c04153 SR |
488 | #endif /* __GNU_LIBRARY__ */ |
489 | switch (o) { | |
490 | case 'a': | |
491 | arch = optarg; | |
492 | break; | |
493 | case 'd': | |
494 | flag_debug++; | |
495 | break; | |
496 | case 'w': | |
497 | flag_warnings = 1; | |
498 | break; | |
499 | case 'q': | |
500 | flag_warnings = 0; | |
501 | break; | |
502 | case 'V': | |
503 | fputs("genksyms version 2.5.60\n", stderr); | |
504 | break; | |
505 | case 'D': | |
506 | flag_dump_defs = 1; | |
507 | break; | |
15fde675 AG |
508 | case 'T': |
509 | flag_dump_types = 1; | |
510 | dumpfile = fopen(optarg, "w"); | |
511 | if (!dumpfile) { | |
512 | perror(optarg); | |
513 | return 1; | |
514 | } | |
515 | break; | |
78c04153 SR |
516 | case 'h': |
517 | genksyms_usage(); | |
518 | return 0; | |
519 | default: | |
520 | genksyms_usage(); | |
521 | return 1; | |
522 | } | |
f606ddf4 | 523 | if ((strcmp(arch, "h8300") == 0) || (strcmp(arch, "blackfin") == 0)) |
78c04153 SR |
524 | mod_prefix = "_"; |
525 | { | |
526 | extern int yydebug; | |
527 | extern int yy_flex_debug; | |
528 | ||
529 | yydebug = (flag_debug > 1); | |
530 | yy_flex_debug = (flag_debug > 2); | |
531 | ||
532 | debugfile = stderr; | |
533 | /* setlinebuf(debugfile); */ | |
534 | } | |
535 | ||
536 | yyparse(); | |
537 | ||
15fde675 AG |
538 | if (flag_dump_types && visited_symbols) { |
539 | while (visited_symbols != (struct symbol *)-1L) { | |
540 | struct symbol *sym = visited_symbols; | |
541 | ||
542 | if (sym->type != SYM_NORMAL) { | |
543 | putc(symbol_type_name[sym->type][0], dumpfile); | |
544 | putc('#', dumpfile); | |
545 | } | |
546 | fputs(sym->name, dumpfile); | |
547 | putc(' ', dumpfile); | |
548 | print_list(dumpfile, sym->defn); | |
549 | putc('\n', dumpfile); | |
550 | ||
551 | visited_symbols = sym->visited; | |
552 | sym->visited = NULL; | |
553 | } | |
554 | } | |
555 | ||
78c04153 SR |
556 | if (flag_debug) { |
557 | fprintf(debugfile, "Hash table occupancy %d/%d = %g\n", | |
558 | nsyms, HASH_BUCKETS, | |
559 | (double)nsyms / (double)HASH_BUCKETS); | |
560 | } | |
561 | ||
562 | return errors != 0; | |
1da177e4 | 563 | } |