?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
2005-01-24 Ben Maurer <bmaurer@ximian.com>
[mono-project.git] / mono / metadata / verify.c
blobac2e79b56cc56788d77202f39a998f397630c8eb
1
2 #include <mono/metadata/object-internals.h>
3 #include <mono/metadata/verify.h>
4 #include <mono/metadata/opcodes.h>
5 #include <mono/metadata/tabledefs.h>
6 #include <mono/metadata/reflection.h>
7 #include <mono/metadata/debug-helpers.h>
8 #include <mono/metadata/mono-endian.h>
9 #include <mono/metadata/metadata.h>
10 #include <mono/metadata/metadata-internals.h>
11 #include <mono/metadata/class-internals.h>
12 #include <mono/metadata/tokentype.h>
13 #include <string.h>
14 #include <signal.h>
15 #include <ctype.h>
16
17 /*
18 * Pull the list of opcodes
19 */
20 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
21 a = i,
22
23 enum {
24 #include "mono/cil/opcode.def"
25 LAST = 0xff
26 };
27 #undef OPDEF
28
29 void
30 mono_free_verify_list (GSList *list)
31 {
32 MonoVerifyInfo* info;
33 GSList *tmp;
34
35 for (tmp = list; tmp; tmp = tmp->next) {
36 info = tmp->data;
37 g_free (info->message);
38 g_free (info);
39 }
40 g_slist_free (list);
41 }
42
43 #define ADD_ERROR(list,msg) \
44 do { \
45 MonoVerifyInfo *vinfo = g_new (MonoVerifyInfo, 1); \
46 vinfo->status = MONO_VERIFY_ERROR; \
47 vinfo->message = (msg); \
48 (list) = g_slist_prepend ((list), vinfo); \
49 } while (0)
50
51 #define ADD_WARN(list,code,msg) \
52 do { \
53 MonoVerifyInfo *vinfo = g_new (MonoVerifyInfo, 1); \
54 vinfo->status = (code); \
55 vinfo->message = (msg); \
56 (list) = g_slist_prepend ((list), vinfo); \
57 } while (0)
58
59 static const char* const
60 valid_cultures[] = {
61 "ar-SA", "ar-IQ", "ar-EG", "ar-LY",
62 "ar-DZ", "ar-MA", "ar-TN", "ar-OM",
63 "ar-YE", "ar-SY", "ar-JO", "ar-LB",
64 "ar-KW", "ar-AE", "ar-BH", "ar-QA",
65 "bg-BG", "ca-ES", "zh-TW", "zh-CN",
66 "zh-HK", "zh-SG", "zh-MO", "cs-CZ",
67 "da-DK", "de-DE", "de-CH", "de-AT",
68 "de-LU", "de-LI", "el-GR", "en-US",
69 "en-GB", "en-AU", "en-CA", "en-NZ",
70 "en-IE", "en-ZA", "en-JM", "en-CB",
71 "en-BZ", "en-TT", "en-ZW", "en-PH",
72 "es-ES-Ts", "es-MX", "es-ES-Is", "es-GT",
73 "es-CR", "es-PA", "es-DO", "es-VE",
74 "es-CO", "es-PE", "es-AR", "es-EC",
75 "es-CL", "es-UY", "es-PY", "es-BO",
76 "es-SV", "es-HN", "es-NI", "es-PR",
77 "Fi-FI", "fr-FR", "fr-BE", "fr-CA",
78 "Fr-CH", "fr-LU", "fr-MC", "he-IL",
79 "hu-HU", "is-IS", "it-IT", "it-CH",
80 "Ja-JP", "ko-KR", "nl-NL", "nl-BE",
81 "nb-NO", "nn-NO", "pl-PL", "pt-BR",
82 "pt-PT", "ro-RO", "ru-RU", "hr-HR",
83 "Lt-sr-SP", "Cy-sr-SP", "sk-SK", "sq-AL",
84 "sv-SE", "sv-FI", "th-TH", "tr-TR",
85 "ur-PK", "id-ID", "uk-UA", "be-BY",
86 "sl-SI", "et-EE", "lv-LV", "lt-LT",
87 "fa-IR", "vi-VN", "hy-AM", "Lt-az-AZ",
88 "Cy-az-AZ",
89 "eu-ES", "mk-MK", "af-ZA",
90 "ka-GE", "fo-FO", "hi-IN", "ms-MY",
91 "ms-BN", "kk-KZ", "ky-KZ", "sw-KE",
92 "Lt-uz-UZ", "Cy-uz-UZ", "tt-TA", "pa-IN",
93 "gu-IN", "ta-IN", "te-IN", "kn-IN",
94 "mr-IN", "sa-IN", "mn-MN", "gl-ES",
95 "kok-IN", "syr-SY", "div-MV",
96 NULL
97 };
98
99 static int
100 is_valid_culture (const char *cname)
101 {
102 int i;
103 int found;
104
105 found = *cname == 0;
106 for (i = 0; !found && valid_cultures [i]; ++i) {
107 if (g_strcasecmp (valid_cultures [i], cname))
108 found = 1;
109 }
110 return found;
111 }
112
113 static int
114 is_valid_assembly_flags (guint32 flags) {
115 /* Metadata: 22.1.2 */
116 flags &= ~(0x8000 | 0x4000); /* ignore reserved bits 0x0030? */
117 return ((flags == 1) || (flags == 0));
118 }
119
120 static int
121 is_valid_blob (MonoImage *image, guint32 blob_index, int notnull)
122 {
123 guint32 size;
124 const char *p, *blob_end;
125
126 if (blob_index >= image->heap_blob.size)
127 return 0;
128 p = mono_metadata_blob_heap (image, blob_index);
129 size = mono_metadata_decode_blob_size (p, &blob_end);
130 if (blob_index + size + (blob_end-p) > image->heap_blob.size)
131 return 0;
132 if (notnull && !size)
133 return 0;
134 return 1;
135 }
136
137 static const char*
138 is_valid_string (MonoImage *image, guint32 str_index, int notnull)
139 {
140 const char *p, *blob_end, *res;
141
142 if (str_index >= image->heap_strings.size)
143 return NULL;
144 res = p = mono_metadata_string_heap (image, str_index);
145 blob_end = mono_metadata_string_heap (image, image->heap_strings.size - 1);
146 if (notnull && !*p)
147 return 0;
148 /*
149 * FIXME: should check it's a valid utf8 string, too.
150 */
151 while (p <= blob_end) {
152 if (!*p)
153 return res;
154 ++p;
155 }
156 return *p? NULL: res;
157 }
158
159 static int
160 is_valid_cls_ident (const char *p)
161 {
162 /*
163 * FIXME: we need the full unicode glib support for this.
164 * Check: http://www.unicode.org/unicode/reports/tr15/Identifier.java
165 * We do the lame thing for now.
166 */
167 if (!isalpha (*p))
168 return 0;
169 ++p;
170 while (*p) {
171 if (!isalnum (*p) && *p != '_')
172 return 0;
173 ++p;
174 }
175 return 1;
176 }
177
178 static int
179 is_valid_filename (const char *p)
180 {
181 if (!*p)
182 return 0;
183 return strpbrk (p, "\\//:")? 0: 1;
184 }
185
186 static GSList*
187 verify_assembly_table (MonoImage *image, GSList *list, int level)
188 {
189 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
190 guint32 cols [MONO_ASSEMBLY_SIZE];
191 const char *p;
192
193 if (level & MONO_VERIFY_ERROR) {
194 if (t->rows > 1)
195 ADD_ERROR (list, g_strdup ("Assembly table may only have 0 or 1 rows"));
196 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
197
198 switch (cols [MONO_ASSEMBLY_HASH_ALG]) {
199 case ASSEMBLY_HASH_NONE:
200 case ASSEMBLY_HASH_MD5:
201 case ASSEMBLY_HASH_SHA1:
202 break;
203 default:
204 ADD_ERROR (list, g_strdup_printf ("Hash algorithm 0x%x unknown", cols [MONO_ASSEMBLY_HASH_ALG]));
205 }
206
207 if (!is_valid_assembly_flags (cols [MONO_ASSEMBLY_FLAGS]))
208 ADD_ERROR (list, g_strdup_printf ("Invalid flags in assembly: 0x%x", cols [MONO_ASSEMBLY_FLAGS]));
209
210 if (!is_valid_blob (image, cols [MONO_ASSEMBLY_PUBLIC_KEY], FALSE))
211 ADD_ERROR (list, g_strdup ("Assembly public key is an invalid index"));
212
213 if (!(p = is_valid_string (image, cols [MONO_ASSEMBLY_NAME], TRUE))) {
214 ADD_ERROR (list, g_strdup ("Assembly name is invalid"));
215 } else {
216 if (strpbrk (p, ":\\/."))
217 ADD_ERROR (list, g_strdup_printf ("Assembly name `%s' contains invalid chars", p));
218 }
219
220 if (!(p = is_valid_string (image, cols [MONO_ASSEMBLY_CULTURE], FALSE))) {
221 ADD_ERROR (list, g_strdup ("Assembly culture is an invalid index"));
222 } else {
223 if (!is_valid_culture (p))
224 ADD_ERROR (list, g_strdup_printf ("Assembly culture `%s' is invalid", p));
225 }
226 }
227 return list;
228 }
229
230 static GSList*
231 verify_assemblyref_table (MonoImage *image, GSList *list, int level)
232 {
233 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
234 guint32 cols [MONO_ASSEMBLYREF_SIZE];
235 const char *p;
236 int i;
237
238 if (level & MONO_VERIFY_ERROR) {
239 for (i = 0; i < t->rows; ++i) {
240 mono_metadata_decode_row (t, i, cols, MONO_ASSEMBLYREF_SIZE);
241 if (!is_valid_assembly_flags (cols [MONO_ASSEMBLYREF_FLAGS]))
242 ADD_ERROR (list, g_strdup_printf ("Invalid flags in assemblyref row %d: 0x%x", i + 1, cols [MONO_ASSEMBLY_FLAGS]));
243
244 if (!is_valid_blob (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], FALSE))
245 ADD_ERROR (list, g_strdup_printf ("AssemblyRef public key in row %d is an invalid index", i + 1));
246
247 if (!(p = is_valid_string (image, cols [MONO_ASSEMBLYREF_CULTURE], FALSE))) {
248 ADD_ERROR (list, g_strdup_printf ("AssemblyRef culture in row %d is invalid", i + 1));
249 } else {
250 if (!is_valid_culture (p))
251 ADD_ERROR (list, g_strdup_printf ("AssemblyRef culture `%s' in row %d is invalid", p, i + 1));
252 }
253
254 if (cols [MONO_ASSEMBLYREF_HASH_VALUE] && !is_valid_blob (image, cols [MONO_ASSEMBLYREF_HASH_VALUE], TRUE))
255 ADD_ERROR (list, g_strdup_printf ("AssemblyRef hash value in row %d is invalid or not null and empty", i + 1));
256 }
257 }
258 if (level & MONO_VERIFY_WARNING) {
259 /* check for duplicated rows */
260 for (i = 0; i < t->rows; ++i) {
261 }
262 }
263 return list;
264 }
265
266 static GSList*
267 verify_class_layout_table (MonoImage *image, GSList *list, int level)
268 {
269 MonoTableInfo *t = &image->tables [MONO_TABLE_CLASSLAYOUT];
270 MonoTableInfo *tdef = &image->tables [MONO_TABLE_TYPEDEF];
271 guint32 cols [MONO_CLASS_LAYOUT_SIZE];
272 guint32 value, i;
273
274 if (level & MONO_VERIFY_ERROR) {
275 for (i = 0; i < t->rows; ++i) {
276 mono_metadata_decode_row (t, i, cols, MONO_CLASS_LAYOUT_SIZE);
277
278 if (cols [MONO_CLASS_LAYOUT_PARENT] > tdef->rows || !cols [MONO_CLASS_LAYOUT_PARENT]) {
279 ADD_ERROR (list, g_strdup_printf ("Parent in class layout is invalid in row %d", i + 1));
280 } else {
281 value = mono_metadata_decode_row_col (tdef, cols [MONO_CLASS_LAYOUT_PARENT] - 1, MONO_TYPEDEF_FLAGS);
282 if (value & TYPE_ATTRIBUTE_INTERFACE)
283 ADD_ERROR (list, g_strdup_printf ("Parent in class layout row %d is an interface", i + 1));
284 if (value & TYPE_ATTRIBUTE_AUTO_LAYOUT)
285 ADD_ERROR (list, g_strdup_printf ("Parent in class layout row %d is AutoLayout", i + 1));
286 if (value & TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT) {
287 switch (cols [MONO_CLASS_LAYOUT_PACKING_SIZE]) {
288 case 0: case 1: case 2: case 4: case 8: case 16:
289 case 32: case 64: case 128: break;
290 default:
291 ADD_ERROR (list, g_strdup_printf ("Packing size %d in class layout row %d is invalid", cols [MONO_CLASS_LAYOUT_PACKING_SIZE], i + 1));
292 }
293 } else if (value & TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
294 /*
295 * FIXME: LAMESPEC: it claims it must be 0 (it's 1, instead).
296 if (cols [MONO_CLASS_LAYOUT_PACKING_SIZE])
297 ADD_ERROR (list, g_strdup_printf ("Packing size %d in class layout row %d is invalid with explicit layout", cols [MONO_CLASS_LAYOUT_PACKING_SIZE], i + 1));
298 */
299 }
300 /*
301 * FIXME: we need to check that if class size != 0,
302 * it needs to be greater than the class calculated size.
303 * If parent is a valuetype it also needs to be smaller than
304 * 1 MByte (0x100000 bytes).
305 * To do both these checks we need to load the referenced
306 * assemblies, though (the spec claims we didn't have to, bah).
307 */
308 /*
309 * We need to check that the parent types have the samme layout
310 * type as well.
311 */
312 }
313 }
314 }
315
316 return list;
317 }
318
319 static GSList*
320 verify_constant_table (MonoImage *image, GSList *list, int level)
321 {
322 MonoTableInfo *t = &image->tables [MONO_TABLE_CONSTANT];
323 guint32 cols [MONO_CONSTANT_SIZE];
324 guint32 value, i;
325 GHashTable *dups = g_hash_table_new (NULL, NULL);
326
327 for (i = 0; i < t->rows; ++i) {
328 mono_metadata_decode_row (t, i, cols, MONO_CONSTANT_SIZE);
329
330 if (level & MONO_VERIFY_ERROR)
331 if (g_hash_table_lookup (dups, GUINT_TO_POINTER (cols [MONO_CONSTANT_PARENT])))
332 ADD_ERROR (list, g_strdup_printf ("Parent 0x%08x is duplicated in Constant row %d", cols [MONO_CONSTANT_PARENT], i + 1));
333 g_hash_table_insert (dups, GUINT_TO_POINTER (cols [MONO_CONSTANT_PARENT]),
334 GUINT_TO_POINTER (cols [MONO_CONSTANT_PARENT]));
335
336 switch (cols [MONO_CONSTANT_TYPE]) {
337 case MONO_TYPE_U1: /* LAMESPEC: it says I1...*/
338 case MONO_TYPE_U2:
339 case MONO_TYPE_U4:
340 case MONO_TYPE_U8:
341 if (level & MONO_VERIFY_CLS)
342 ADD_WARN (list, MONO_VERIFY_CLS, g_strdup_printf ("Type 0x%x not CLS compliant in Constant row %d", cols [MONO_CONSTANT_TYPE], i + 1));
343 case MONO_TYPE_BOOLEAN:
344 case MONO_TYPE_CHAR:
345 case MONO_TYPE_I1:
346 case MONO_TYPE_I2:
347 case MONO_TYPE_I4:
348 case MONO_TYPE_I8:
349 case MONO_TYPE_R4:
350 case MONO_TYPE_R8:
351 case MONO_TYPE_STRING:
352 case MONO_TYPE_CLASS:
353 break;
354 default:
355 if (level & MONO_VERIFY_ERROR)
356 ADD_ERROR (list, g_strdup_printf ("Type 0x%x is invalid in Constant row %d", cols [MONO_CONSTANT_TYPE], i + 1));
357 }
358 if (level & MONO_VERIFY_ERROR) {
359 value = cols [MONO_CONSTANT_PARENT] >> MONO_HASCONSTANT_BITS;
360 switch (cols [MONO_CONSTANT_PARENT] & MONO_HASCONSTANT_MASK) {
361 case MONO_HASCONSTANT_FIEDDEF:
362 if (value > image->tables [MONO_TABLE_FIELD].rows)
363 ADD_ERROR (list, g_strdup_printf ("Parent (field) is invalid in Constant row %d", i + 1));
364 break;
365 case MONO_HASCONSTANT_PARAM:
366 if (value > image->tables [MONO_TABLE_PARAM].rows)
367 ADD_ERROR (list, g_strdup_printf ("Parent (param) is invalid in Constant row %d", i + 1));
368 break;
369 case MONO_HASCONSTANT_PROPERTY:
370 if (value > image->tables [MONO_TABLE_PROPERTY].rows)
371 ADD_ERROR (list, g_strdup_printf ("Parent (property) is invalid in Constant row %d", i + 1));
372 break;
373 default:
374 ADD_ERROR (list, g_strdup_printf ("Parent is invalid in Constant row %d", i + 1));
375 break;
376 }
377 }
378 if (level & MONO_VERIFY_CLS) {
379 /*
380 * FIXME: verify types is consistent with the enum type
381 * is parent is an enum.
382 */
383 }
384 }
385 g_hash_table_destroy (dups);
386 return list;
387 }
388
389 static GSList*
390 verify_event_map_table (MonoImage *image, GSList *list, int level)
391 {
392 MonoTableInfo *t = &image->tables [MONO_TABLE_EVENTMAP];
393 guint32 cols [MONO_EVENT_MAP_SIZE];
394 guint32 i, last_event;
395 GHashTable *dups = g_hash_table_new (NULL, NULL);
396
397 last_event = 0;
398
399 for (i = 0; i < t->rows; ++i) {
400 mono_metadata_decode_row (t, i, cols, MONO_EVENT_MAP_SIZE);
401 if (level & MONO_VERIFY_ERROR)
402 if (g_hash_table_lookup (dups, GUINT_TO_POINTER (cols [MONO_EVENT_MAP_PARENT])))
403 ADD_ERROR (list, g_strdup_printf ("Parent 0x%08x is duplicated in Event Map row %d", cols [MONO_EVENT_MAP_PARENT], i + 1));
404 g_hash_table_insert (dups, GUINT_TO_POINTER (cols [MONO_EVENT_MAP_PARENT]),
405 GUINT_TO_POINTER (cols [MONO_EVENT_MAP_PARENT]));
406 if (level & MONO_VERIFY_ERROR) {
407 if (cols [MONO_EVENT_MAP_PARENT] > image->tables [MONO_TABLE_TYPEDEF].rows)
408 ADD_ERROR (list, g_strdup_printf ("Parent 0x%08x is invalid in Event Map row %d", cols [MONO_EVENT_MAP_PARENT], i + 1));
409 if (cols [MONO_EVENT_MAP_EVENTLIST] > image->tables [MONO_TABLE_EVENT].rows)
410 ADD_ERROR (list, g_strdup_printf ("EventList 0x%08x is invalid in Event Map row %d", cols [MONO_EVENT_MAP_EVENTLIST], i + 1));
411
412 if (cols [MONO_EVENT_MAP_EVENTLIST] <= last_event)
413 ADD_ERROR (list, g_strdup_printf ("EventList overlap in Event Map row %d", i + 1));
414 last_event = cols [MONO_EVENT_MAP_EVENTLIST];
415 }
416 }
417
418 g_hash_table_destroy (dups);
419 return list;
420 }
421
422 static GSList*
423 verify_event_table (MonoImage *image, GSList *list, int level)
424 {
425 MonoTableInfo *t = &image->tables [MONO_TABLE_EVENT];
426 guint32 cols [MONO_EVENT_SIZE];
427 const char *p;
428 guint32 value, i;
429
430 for (i = 0; i < t->rows; ++i) {
431 mono_metadata_decode_row (t, i, cols, MONO_EVENT_SIZE);
432
433 if (cols [MONO_EVENT_FLAGS] & ~(EVENT_SPECIALNAME|EVENT_RTSPECIALNAME)) {
434 if (level & MONO_VERIFY_ERROR)
435 ADD_ERROR (list, g_strdup_printf ("Flags 0x%04x invalid in Event row %d", cols [MONO_EVENT_FLAGS], i + 1));
436 }
437 if (!(p = is_valid_string (image, cols [MONO_EVENT_NAME], TRUE))) {
438 if (level & MONO_VERIFY_ERROR)
439 ADD_ERROR (list, g_strdup_printf ("Invalid name in Event row %d", i + 1));
440 } else {
441 if (level & MONO_VERIFY_CLS) {
442 if (!is_valid_cls_ident (p))
443 ADD_WARN (list, MONO_VERIFY_CLS, g_strdup_printf ("Invalid CLS name '%s` in Event row %d", p, i + 1));
444 }
445 }
446
447 if (level & MONO_VERIFY_ERROR && cols [MONO_EVENT_TYPE]) {
448 value = cols [MONO_EVENT_TYPE] >> MONO_TYPEDEFORREF_BITS;
449 switch (cols [MONO_EVENT_TYPE] & MONO_TYPEDEFORREF_MASK) {
450 case MONO_TYPEDEFORREF_TYPEDEF:
451 if (!value || value > image->tables [MONO_TABLE_TYPEDEF].rows)
452 ADD_ERROR (list, g_strdup_printf ("Type invalid in Event row %d", i + 1));
453 break;
454 case MONO_TYPEDEFORREF_TYPEREF:
455 if (!value || value > image->tables [MONO_TABLE_TYPEREF].rows)
456 ADD_ERROR (list, g_strdup_printf ("Type invalid in Event row %d", i + 1));
457 break;
458 case MONO_TYPEDEFORREF_TYPESPEC:
459 if (!value || value > image->tables [MONO_TABLE_TYPESPEC].rows)
460 ADD_ERROR (list, g_strdup_printf ("Type invalid in Event row %d", i + 1));
461 break;
462 default:
463 ADD_ERROR (list, g_strdup_printf ("Type invalid in Event row %d", i + 1));
464 }
465 }
466 /*
467 * FIXME: check that there is 1 add and remove row in methodsemantics
468 * and 0 or 1 raise and 0 or more other (maybe it's better to check for
469 * these while checking methodsemantics).
470 * check for duplicated names for the same type [ERROR]
471 * check for CLS duplicate names for the same type [CLS]
472 */
473 }
474 return list;
475 }
476
477 static GSList*
478 verify_field_table (MonoImage *image, GSList *list, int level)
479 {
480 MonoTableInfo *t = &image->tables [MONO_TABLE_FIELD];
481 guint32 cols [MONO_FIELD_SIZE];
482 const char *p;
483 guint32 i, flags;
484
485 for (i = 0; i < t->rows; ++i) {
486 mono_metadata_decode_row (t, i, cols, MONO_FIELD_SIZE);
487 /*
488 * Check this field has only one owner and that the owner is not
489 * an interface (done in verify_typedef_table() )
490 */
491 flags = cols [MONO_FIELD_FLAGS];
492 switch (flags & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK) {
493 case FIELD_ATTRIBUTE_COMPILER_CONTROLLED:
494 case FIELD_ATTRIBUTE_PRIVATE:
495 case FIELD_ATTRIBUTE_FAM_AND_ASSEM:
496 case FIELD_ATTRIBUTE_ASSEMBLY:
497 case FIELD_ATTRIBUTE_FAMILY:
498 case FIELD_ATTRIBUTE_FAM_OR_ASSEM:
499 case FIELD_ATTRIBUTE_PUBLIC:
500 break;
501 default:
502 if (level & MONO_VERIFY_ERROR)
503 ADD_ERROR (list, g_strdup_printf ("Invalid access mask in Field row %d", i + 1));
504 break;
505 }
506 if (level & MONO_VERIFY_ERROR) {
507 if ((flags & FIELD_ATTRIBUTE_LITERAL) && (flags & FIELD_ATTRIBUTE_INIT_ONLY))
508 ADD_ERROR (list, g_strdup_printf ("Literal and InitOnly cannot be both set in Field row %d", i + 1));
509 if ((flags & FIELD_ATTRIBUTE_LITERAL) && !(flags & FIELD_ATTRIBUTE_STATIC))
510 ADD_ERROR (list, g_strdup_printf ("Literal needs also Static set in Field row %d", i + 1));
511 if ((flags & FIELD_ATTRIBUTE_RT_SPECIAL_NAME) && !(flags & FIELD_ATTRIBUTE_SPECIAL_NAME))
512 ADD_ERROR (list, g_strdup_printf ("RTSpecialName needs also SpecialName set in Field row %d", i + 1));
513 /*
514 * FIXME: check there is only ono owner in the respective table.
515 * if (flags & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
516 * if (flags & FIELD_ATTRIBUTE_HAS_DEFAULT)
517 * if (flags & FIELD_ATTRIBUTE_HAS_FIELD_RVA)
518 */
519 }
520 if (!(p = is_valid_string (image, cols [MONO_FIELD_NAME], TRUE))) {
521 if (level & MONO_VERIFY_ERROR)
522 ADD_ERROR (list, g_strdup_printf ("Invalid name in Field row %d", i + 1));
523 } else {
524 if (level & MONO_VERIFY_CLS) {
525 if (!is_valid_cls_ident (p))
526 ADD_WARN (list, MONO_VERIFY_CLS, g_strdup_printf ("Invalid CLS name '%s` in Field row %d", p, i + 1));
527 }
528 }
529 /*
530 * check signature.
531 * if owner is module needs to be static, access mask needs to be compilercontrolled,
532 * public or private (not allowed in cls mode).
533 * if owner is an enum ...
534 */
535
536
537 }
538 return list;
539 }
540
541 static GSList*
542 verify_file_table (MonoImage *image, GSList *list, int level)
543 {
544 MonoTableInfo *t = &image->tables [MONO_TABLE_FILE];
545 guint32 cols [MONO_FILE_SIZE];
546 const char *p;
547 guint32 i;
548 GHashTable *dups = g_hash_table_new (g_str_hash, g_str_equal);
549
550 for (i = 0; i < t->rows; ++i) {
551 mono_metadata_decode_row (t, i, cols, MONO_FILE_SIZE);
552 if (level & MONO_VERIFY_ERROR) {
553 if (cols [MONO_FILE_FLAGS] != FILE_CONTAINS_METADATA && cols [MONO_FILE_FLAGS] != FILE_CONTAINS_NO_METADATA)
554 ADD_ERROR (list, g_strdup_printf ("Invalid flags in File row %d", i + 1));
555 if (!is_valid_blob (image, cols [MONO_FILE_HASH_VALUE], TRUE))
556 ADD_ERROR (list, g_strdup_printf ("File hash value in row %d is invalid or not null and empty", i + 1));
557 }
558 if (!(p = is_valid_string (image, cols [MONO_FILE_NAME], TRUE))) {
559 if (level & MONO_VERIFY_ERROR)
560 ADD_ERROR (list, g_strdup_printf ("Invalid name in File row %d", i + 1));
561 } else {
562 if (level & MONO_VERIFY_ERROR) {
563 if (!is_valid_filename (p))
564 ADD_ERROR (list, g_strdup_printf ("Invalid name '%s` in File row %d", p, i + 1));
565 else if (g_hash_table_lookup (dups, p)) {
566 ADD_ERROR (list, g_strdup_printf ("Duplicate name '%s` in File row %d", p, i + 1));
567 }
568 g_hash_table_insert (dups, (gpointer)p, (gpointer)p);
569 }
570 }
571 /*
572 * FIXME: I don't understand what this means:
573 * If this module contains a row in the Assembly table (that is, if this module "holds the manifest")
574 * then there shall not be any row in the File table for this module - i.e., no self-reference [ERROR]
575 */
576
577 }
578 if (level & MONO_VERIFY_WARNING) {
579 if (!t->rows && image->tables [MONO_TABLE_EXPORTEDTYPE].rows)
580 ADD_WARN (list, MONO_VERIFY_WARNING, g_strdup ("ExportedType table should be empty if File table is empty"));
581 }
582 g_hash_table_destroy (dups);
583 return list;
584 }
585
586 static GSList*
587 verify_moduleref_table (MonoImage *image, GSList *list, int level)
588 {
589 MonoTableInfo *t = &image->tables [MONO_TABLE_MODULEREF];
590 MonoTableInfo *tfile = &image->tables [MONO_TABLE_FILE];
591 guint32 cols [MONO_MODULEREF_SIZE];
592 const char *p, *pf;
593 guint32 found, i, j, value;
594 GHashTable *dups = g_hash_table_new (g_str_hash, g_str_equal);
595
596 for (i = 0; i < t->rows; ++i) {
597 mono_metadata_decode_row (t, i, cols, MONO_MODULEREF_SIZE);
598 if (!(p = is_valid_string (image, cols [MONO_MODULEREF_NAME], TRUE))) {
599 if (level & MONO_VERIFY_ERROR)
600 ADD_ERROR (list, g_strdup_printf ("Invalid name in ModuleRef row %d", i + 1));
601 } else {
602 if (level & MONO_VERIFY_ERROR) {
603 if (!is_valid_filename (p))
604 ADD_ERROR (list, g_strdup_printf ("Invalid name '%s` in ModuleRef row %d", p, i + 1));
605 else if (g_hash_table_lookup (dups, p)) {
606 ADD_WARN (list, MONO_VERIFY_WARNING, g_strdup_printf ("Duplicate name '%s` in ModuleRef row %d", p, i + 1));
607 g_hash_table_insert (dups, (gpointer)p, (gpointer)p);
608 found = 0;
609 for (j = 0; j < tfile->rows; ++j) {
610 value = mono_metadata_decode_row_col (tfile, j, MONO_FILE_NAME);
611 if ((pf = is_valid_string (image, value, TRUE)))
612 if (strcmp (p, pf) == 0) {
613 found = 1;
614 break;
615 }
616 }
617 if (!found)
618 ADD_ERROR (list, g_strdup_printf ("Name '%s` in ModuleRef row %d doesn't have a match in File table", p, i + 1));
619 }
620 }
621 }
622 }
623 g_hash_table_destroy (dups);
624 return list;
625 }
626
627 static GSList*
628 verify_standalonesig_table (MonoImage *image, GSList *list, int level)
629 {
630 MonoTableInfo *t = &image->tables [MONO_TABLE_STANDALONESIG];
631 guint32 cols [MONO_STAND_ALONE_SIGNATURE_SIZE];
632 const char *p;
633 guint32 i;
634
635 for (i = 0; i < t->rows; ++i) {
636 mono_metadata_decode_row (t, i, cols, MONO_STAND_ALONE_SIGNATURE_SIZE);
637 if (level & MONO_VERIFY_ERROR) {
638 if (!is_valid_blob (image, cols [MONO_STAND_ALONE_SIGNATURE], TRUE)) {
639 ADD_ERROR (list, g_strdup_printf ("Signature is invalid in StandAloneSig row %d", i + 1));
640 } else {
641 p = mono_metadata_blob_heap (image, cols [MONO_STAND_ALONE_SIGNATURE]);
642 /* FIXME: check it's a valid locals or method sig.*/
643 }
644 }
645 }
646 return list;
647 }
648
649 GSList*
650 mono_image_verify_tables (MonoImage *image, int level)
651 {
652 GSList *error_list = NULL;
653
654 error_list = verify_assembly_table (image, error_list, level);
655 /*
656 * AssemblyOS, AssemblyProcessor, AssemblyRefOs and
657 * AssemblyRefProcessor should be ignored,
658 * though we may want to emit a warning, since it should not
659 * be present in a PE file.
660 */
661 error_list = verify_assemblyref_table (image, error_list, level);
662 error_list = verify_class_layout_table (image, error_list, level);
663 error_list = verify_constant_table (image, error_list, level);
664 /*
665 * cutom attribute, declsecurity
666 */
667 error_list = verify_event_map_table (image, error_list, level);
668 error_list = verify_event_table (image, error_list, level);
669 error_list = verify_field_table (image, error_list, level);
670 error_list = verify_file_table (image, error_list, level);
671 error_list = verify_moduleref_table (image, error_list, level);
672 error_list = verify_standalonesig_table (image, error_list, level);
673
674 return g_slist_reverse (error_list);
675 }
676
677 enum {
678 TYPE_INV = 0, /* leave at 0. */
679 TYPE_I4 = 1,
680 TYPE_I8 = 2,
681 TYPE_PTR = 3,
682 TYPE_R8 = 4,
683 TYPE_MP = 5,
684 TYPE_OBJ = 6,
685 TYPE_VT = 7,
686 TYPE_MAX = 8
687 };
688
689 static const char* const
690 arg_name [TYPE_MAX] = {
691 "Invalid",
692 "Int32",
693 "Int64",
694 "IntPtr",
695 "Double",
696 "Managed Pointer",
697 "ObjRef",
698 "ValueType"
699 };
700
701 static const char
702 bin_num_table [TYPE_MAX] [TYPE_MAX] = {
703 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
704 {TYPE_INV, TYPE_I4, TYPE_INV, TYPE_PTR, TYPE_INV, TYPE_MP, TYPE_INV, TYPE_INV},
705 {TYPE_INV, TYPE_INV, TYPE_I8, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
706 {TYPE_INV, TYPE_PTR, TYPE_INV, TYPE_PTR, TYPE_INV, TYPE_MP, TYPE_INV, TYPE_INV},
707 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_R8, TYPE_INV, TYPE_INV, TYPE_INV},
708 {TYPE_INV, TYPE_MP, TYPE_INV, TYPE_MP, TYPE_INV, TYPE_PTR, TYPE_INV, TYPE_INV},
709 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
710 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV}
711 };
712
713 static const char
714 neg_table [] = {
715 TYPE_INV, TYPE_I4, TYPE_I8, TYPE_PTR, TYPE_R8, TYPE_INV, TYPE_INV, TYPE_INV
716 };
717
718 /* reduce the size of this table */
719 static const char
720 bin_int_table [TYPE_MAX] [TYPE_MAX] = {
721 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
722 {TYPE_INV, TYPE_I4, TYPE_INV, TYPE_PTR, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
723 {TYPE_INV, TYPE_INV, TYPE_I8, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
724 {TYPE_INV, TYPE_PTR, TYPE_INV, TYPE_PTR, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
725 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
726 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
727 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
728 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV}
729 };
730
731 static const char
732 bin_comp_table [TYPE_MAX] [TYPE_MAX] = {
733 {0},
734 {0, 1, 0, 1, 0, 0, 0, 0},
735 {0, 0, 1, 0, 0, 0, 0, 0},
736 {0, 1, 0, 1, 0, 2, 0, 0},
737 {0, 0, 0, 0, 1, 0, 0, 0},
738 {0, 0, 0, 2, 0, 1, 0, 0},
739 {0, 0, 0, 0, 0, 0, 3, 0},
740 {0, 0, 0, 0, 0, 0, 0, 0},
741 };
742
743 /* reduce the size of this table */
744 static const char
745 shift_table [TYPE_MAX] [TYPE_MAX] = {
746 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
747 {TYPE_INV, TYPE_I4, TYPE_INV, TYPE_I4, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
748 {TYPE_INV, TYPE_I8, TYPE_INV, TYPE_I8, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
749 {TYPE_INV, TYPE_PTR, TYPE_INV, TYPE_PTR, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
750 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
751 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
752 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV},
753 {TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV, TYPE_INV}
754 };
755
756 static const char
757 ldind_type [] = {
758 TYPE_I4, TYPE_I4, TYPE_I4, TYPE_I4, TYPE_I4, TYPE_I4, TYPE_I8, TYPE_PTR, TYPE_R8, TYPE_R8, TYPE_OBJ
759 };
760
761 static const char
762 ldelem_type [] = {
763 TYPE_I4, TYPE_I4, TYPE_I4, TYPE_I4, TYPE_I4, TYPE_I4, TYPE_I8, TYPE_PTR, TYPE_R8, TYPE_R8, TYPE_OBJ
764 };
765
766 #define ADD_INVALID(list,msg) \
767 do { \
768 MonoVerifyInfo *vinfo = g_new (MonoVerifyInfo, 1); \
769 vinfo->status = MONO_VERIFY_ERROR; \
770 vinfo->message = (msg); \
771 (list) = g_slist_prepend ((list), vinfo); \
772 /*G_BREAKPOINT ();*/ \
773 goto invalid_cil; \
774 } while (0)
775
776 #define CHECK_STACK_UNDERFLOW(num) \
777 do { \
778 if (cur_stack < (num)) \
779 ADD_INVALID (list, g_strdup_printf ("Stack underflow at 0x%04x (%d items instead of %d)", ip_offset, cur_stack, (num))); \
780 } while (0)
781
782 #define CHECK_STACK_OVERFLOW() \
783 do { \
784 if (cur_stack >= max_stack) \
785 ADD_INVALID (list, g_strdup_printf ("Maxstack exceeded at 0x%04x", ip_offset)); \
786 } while (0)
787
788 enum {
789 PREFIX_UNALIGNED = 1,
790 PREFIX_VOLATILE = 2,
791 PREFIX_TAIL = 4,
792 PREFIX_ADDR_MASK = 3,
793 PREFIX_FUNC_MASK = 4
794 };
795
796 enum {
797 CODE_SEEN = 1
798 };
799
800 typedef struct {
801 MonoType *type;
802 int stype;
803 } ILStackDesc;
804
805 typedef struct {
806 ILStackDesc *stack;
807 guint16 stack_count;
808 guint16 flags;
809 } ILCodeDesc;
810
811 static void
812 type_to_eval_stack_type (MonoType *type, ILStackDesc *stack, int take_addr) {
813 int t = type->type;
814
815 stack->type = type;
816 if (type->byref || take_addr) { /* fix double addr issue */
817 stack->stype = TYPE_MP;
818 return;
819 }
820
821 handle_enum:
822 switch (t) {
823 case MONO_TYPE_I1:
824 case MONO_TYPE_U1:
825 case MONO_TYPE_BOOLEAN:
826 case MONO_TYPE_I2:
827 case MONO_TYPE_U2:
828 case MONO_TYPE_CHAR:
829 case MONO_TYPE_I4:
830 case MONO_TYPE_U4:
831 stack->stype = TYPE_I4;
832 return;
833 case MONO_TYPE_I:
834 case MONO_TYPE_U:
835 case MONO_TYPE_PTR:
836 stack->stype = TYPE_PTR;
837 return;
838 case MONO_TYPE_CLASS:
839 case MONO_TYPE_STRING:
840 case MONO_TYPE_OBJECT:
841 case MONO_TYPE_SZARRAY:
842 case MONO_TYPE_ARRAY:
843 stack->stype = TYPE_OBJ;
844 return;
845 case MONO_TYPE_I8:
846 case MONO_TYPE_U8:
847 stack->stype = TYPE_I8;
848 return;
849 case MONO_TYPE_R4:
850 case MONO_TYPE_R8:
851 stack->stype = TYPE_R8;
852 return;
853 case MONO_TYPE_VALUETYPE:
854 if (type->data.klass->enumtype) {
855 t = type->data.klass->enum_basetype->type;
856 goto handle_enum;
857 } else {
858 stack->stype = TYPE_VT;
859 return;
860 }
861 default:
862 g_error ("unknown type %02x in eval stack type", type->type);
863 }
864 return;
865 }
866
867 static int
868 type_from_op (int ins, ILStackDesc *arg) {
869 switch (ins) {
870 /* binops */
871 case CEE_ADD:
872 case CEE_SUB:
873 case CEE_MUL:
874 case CEE_DIV:
875 case CEE_REM:
876 /* FIXME: check unverifiable args for TYPE_MP */
877 return arg->stype = bin_num_table [arg->stype] [arg [1].stype];
878 case CEE_DIV_UN:
879 case CEE_REM_UN:
880 case CEE_AND:
881 case CEE_OR:
882 case CEE_XOR:
883 return arg->stype = bin_int_table [arg->stype] [arg [1].stype];
884 case CEE_SHL:
885 case CEE_SHR:
886 case CEE_SHR_UN:
887 return arg->stype = shift_table [arg->stype] [arg [1].stype];
888 case CEE_BEQ_S:
889 case CEE_BGE_S:
890 case CEE_BGT_S:
891 case CEE_BLE_S:
892 case CEE_BLT_S:
893 case CEE_BNE_UN_S:
894 case CEE_BGE_UN_S:
895 case CEE_BGT_UN_S:
896 case CEE_BLE_UN_S:
897 case CEE_BLT_UN_S:
898 case CEE_BEQ:
899 case CEE_BGE:
900 case CEE_BGT:
901 case CEE_BLE:
902 case CEE_BLT:
903 case CEE_BNE_UN:
904 case CEE_BGE_UN:
905 case CEE_BGT_UN:
906 case CEE_BLE_UN:
907 case CEE_BLT_UN:
908 /* FIXME: handle some specifics with ins->next->type */
909 return bin_comp_table [arg->stype] [arg [1].stype] ? TYPE_I4: TYPE_INV;
910 case 256+CEE_CEQ:
911 case 256+CEE_CGT:
912 case 256+CEE_CGT_UN:
913 case 256+CEE_CLT:
914 case 256+CEE_CLT_UN:
915 return arg->stype = bin_comp_table [arg->stype] [arg [1].stype] ? TYPE_I4: TYPE_INV;
916 /* unops */
917 case CEE_NEG:
918 return arg->stype = neg_table [arg->stype];
919 case CEE_NOT:
920 if (arg->stype >= TYPE_I4 && arg->stype <= TYPE_PTR)
921 return arg->stype;
922 else
923 return arg->stype = TYPE_INV;
924 case CEE_CONV_I1:
925 case CEE_CONV_U1:
926 case CEE_CONV_I2:
927 case CEE_CONV_U2:
928 case CEE_CONV_I4:
929 case CEE_CONV_U4:
930 case CEE_CONV_OVF_I1:
931 case CEE_CONV_OVF_U1:
932 case CEE_CONV_OVF_I2:
933 case CEE_CONV_OVF_U2:
934 case CEE_CONV_OVF_I4:
935 case CEE_CONV_OVF_U4:
936 case CEE_CONV_OVF_I1_UN:
937 case CEE_CONV_OVF_U1_UN:
938 case CEE_CONV_OVF_I2_UN:
939 case CEE_CONV_OVF_U2_UN:
940 case CEE_CONV_OVF_I4_UN:
941 case CEE_CONV_OVF_U4_UN:
942 if (arg->stype == TYPE_INV || arg->stype >= TYPE_MP)
943 return arg->stype = TYPE_INV;
944 return arg->stype = TYPE_I4;
945 case CEE_CONV_I:
946 case CEE_CONV_U:
947 case CEE_CONV_OVF_I:
948 case CEE_CONV_OVF_U:
949 case CEE_CONV_OVF_I_UN:
950 case CEE_CONV_OVF_U_UN:
951 if (arg->stype == TYPE_INV || arg->stype == TYPE_VT)
952 return arg->stype = TYPE_INV;
953 return arg->stype = TYPE_PTR;
954 case CEE_CONV_I8:
955 case CEE_CONV_U8:
956 case CEE_CONV_OVF_I8:
957 case CEE_CONV_OVF_U8:
958 case CEE_CONV_OVF_I8_UN:
959 case CEE_CONV_OVF_U8_UN:
960 return arg->stype = TYPE_I8;
961 case CEE_CONV_R4:
962 case CEE_CONV_R8:
963 return arg->stype = TYPE_R8;
964 default:
965 g_error ("opcode 0x%04x not handled in type from op", ins);
966 break;
967 }
968 return FALSE;
969 }
970
971 static int
972 in_any_block (MonoMethodHeader *header, guint offset)
973 {
974 int i;
975 MonoExceptionClause *clause;
976
977 for (i = 0; i < header->num_clauses; ++i) {
978 clause = &header->clauses [i];
979 if (MONO_OFFSET_IN_CLAUSE (clause, offset))
980 return 1;
981 if (MONO_OFFSET_IN_HANDLER (clause, offset))
982 return 1;
983 /* need to check filter ... */
984 }
985 return 0;
986 }
987
988 static int
989 in_same_block (MonoMethodHeader *header, guint offset, guint target)
990 {
991 int i;
992 MonoExceptionClause *clause;
993
994 for (i = 0; i < header->num_clauses; ++i) {
995 clause = &header->clauses [i];
996 if (MONO_OFFSET_IN_CLAUSE (clause, offset) && !MONO_OFFSET_IN_CLAUSE (clause, target))
997 return 0;
998 if (MONO_OFFSET_IN_HANDLER (clause, offset) && !MONO_OFFSET_IN_HANDLER (clause, target))
999 return 0;
1000 /* need to check filter ... */
1001 }
1002 return 1;
1003 }
1004
1005 /*
1006 * A leave can't escape a finally block
1007 */
1008 static int
1009 is_correct_leave (MonoMethodHeader *header, guint offset, guint target)
1010 {
1011 int i;
1012 MonoExceptionClause *clause;
1013
1014 for (i = 0; i < header->num_clauses; ++i) {
1015 clause = &header->clauses [i];
1016 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY && MONO_OFFSET_IN_HANDLER (clause, offset) && !MONO_OFFSET_IN_HANDLER (clause, target))
1017 return 0;
1018 /* need to check filter ... */
1019 }
1020 return 1;
1021 }
1022
1023 static int
1024 can_merge_stack (ILCodeDesc *a, ILCodeDesc *b)
1025 {
1026 if (!b->flags & CODE_SEEN) {
1027 b->flags |= CODE_SEEN;
1028 b->stack_count = a->stack_count;
1029 /* merge types */
1030 return 1;
1031 }
1032 if (a->stack_count != b->stack_count)
1033 return 0;
1034 /* merge types */
1035 return 1;
1036 }
1037
1038 static int
1039 is_valid_bool_arg (ILStackDesc *arg)
1040 {
1041 switch (arg->stype) {
1042 case TYPE_I4:
1043 case TYPE_I8:
1044 case TYPE_PTR:
1045 case TYPE_MP:
1046 case TYPE_OBJ:
1047 return TRUE;
1048 default:
1049 return FALSE;
1050 }
1051 }
1052
1053 static int
1054 can_store_type (ILStackDesc *arg, MonoType *type)
1055 {
1056 int t = type->type;
1057 if (type->byref && arg->stype != TYPE_MP)
1058 return FALSE;
1059 handle_enum:
1060 switch (t) {
1061 case MONO_TYPE_VOID:
1062 return FALSE;
1063 case MONO_TYPE_I1:
1064 case MONO_TYPE_U1:
1065 case MONO_TYPE_BOOLEAN:
1066 case MONO_TYPE_I2:
1067 case MONO_TYPE_U2:
1068 case MONO_TYPE_CHAR:
1069 case MONO_TYPE_I4:
1070 case MONO_TYPE_U4:
1071 if (arg->stype == TYPE_I4 || arg->stype == TYPE_PTR)
1072 return TRUE;
1073 return FALSE;
1074 case MONO_TYPE_I:
1075 case MONO_TYPE_U:
1076 case MONO_TYPE_PTR:
1077 return TRUE;
1078 case MONO_TYPE_CLASS:
1079 case MONO_TYPE_STRING:
1080 case MONO_TYPE_OBJECT:
1081 case MONO_TYPE_SZARRAY:
1082 case MONO_TYPE_ARRAY:
1083 return TRUE; /* FIXME */
1084 case MONO_TYPE_I8:
1085 case MONO_TYPE_U8:
1086 if (arg->stype == TYPE_I8)
1087 return TRUE;
1088 return FALSE;
1089 case MONO_TYPE_R4:
1090 case MONO_TYPE_R8:
1091 if (arg->stype == TYPE_R8)
1092 return TRUE;
1093 return FALSE;
1094 case MONO_TYPE_VALUETYPE:
1095 if (type->data.klass->enumtype) {
1096 t = type->data.klass->enum_basetype->type;
1097 goto handle_enum;
1098 } else {
1099 if (arg->type->data.klass != type->data.klass)
1100 return FALSE;
1101 return TRUE;
1102 }
1103 default:
1104 g_error ("unknown type %02x in store type", type->type);
1105 }
1106 return FALSE;
1107 }
1108
1109 static int
1110 stind_type (int op, int type) {
1111 switch (op) {
1112 case CEE_STIND_REF:
1113 return type == TYPE_OBJ;
1114 case CEE_STIND_I1:
1115 case CEE_STIND_I2:
1116 case CEE_STIND_I4:
1117 return type == TYPE_I4;
1118 case CEE_STIND_I8:
1119 return type == TYPE_I8;
1120 case CEE_STIND_R4:
1121 case CEE_STIND_R8:
1122 return type == TYPE_R8;
1123 default:
1124 g_assert_not_reached ();
1125 }
1126 return FALSE;
1127 }
1128
1129 /*
1130 * FIXME: need to distinguish between valid and verifiable.
1131 * Need to keep track of types on the stack.
1132 * Verify types for opcodes.
1133 */
1134 GSList*
1135 mono_method_verify (MonoMethod *method, int level)
1136 {
1137 MonoMethodHeader *header;
1138 MonoMethodSignature *signature, *csig;
1139 MonoGenericContext *generic_context = NULL;
1140 MonoMethod *cmethod;
1141 MonoClassField *field;
1142 MonoClass *klass;
1143 MonoImage *image;
1144 MonoType **params;
1145 ILStackDesc *stack;
1146 register const unsigned char *ip;
1147 register const unsigned char *end;
1148 const unsigned char *target = NULL; /* branch target */
1149 int max_args, max_stack, cur_stack, i, n, need_merge, start;
1150 guint32 token, ip_offset = 0;
1151 char *local_state = NULL;
1152 GSList *list = NULL;
1153 guint prefix = 0;
1154 ILCodeDesc *code;
1155
1156 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
1157 (method->flags & (METHOD_ATTRIBUTE_PINVOKE_IMPL | METHOD_ATTRIBUTE_ABSTRACT))) {
1158 return NULL;
1159 }
1160 signature = method->signature;
1161 header = mono_method_get_header (method);
1162 ip = header->code;
1163 end = ip + header->code_size;
1164 max_args = signature->param_count + signature->hasthis;
1165 max_stack = header->max_stack;
1166 need_merge = cur_stack = 0;
1167 start = 1;
1168 image = method->klass->image;
1169 code = g_new0 (ILCodeDesc, header->code_size);
1170 stack = g_new0 (ILStackDesc, max_stack);
1171 if (signature->hasthis) {
1172 params = g_new0 (MonoType*, max_args);
1173 params [0] = &method->klass->this_arg;
1174 memcpy (params + 1, signature->params, sizeof (MonoType*) * signature->param_count);
1175 } else {
1176 params = signature->params;
1177 }
1178
1179 if (method->signature->is_inflated)
1180 generic_context = ((MonoMethodInflated *) method)->context;
1181
1182 if (header->num_locals) {
1183 local_state = g_new (char, header->num_locals);
1184 memset (local_state, header->init_locals, header->num_locals);
1185 }
1186 /*g_print ("Method %s.%s::%s\n", method->klass->name_space, method->klass->name, method->name);*/
1187
1188 for (i = 0; i < header->num_clauses; ++i) {
1189 MonoExceptionClause *clause = &header->clauses [i];
1190 /* catch blocks have the exception on the stack. */
1191 if (clause->flags == MONO_EXCEPTION_CLAUSE_NONE) {
1192 code [clause->handler_offset].stack_count = 1;
1193 code [clause->handler_offset].flags |= CODE_SEEN;
1194 }
1195 }
1196
1197 while (ip < end) {
1198 ip_offset = ip - header->code;
1199 if (start || !(code [ip_offset].flags & CODE_SEEN)) {
1200 if (start) {
1201 /* g_print ("setting stack of IL_%04x to %d\n", ip_offset, 0); */
1202 cur_stack = code [ip_offset].stack_count;
1203 } else {
1204 code [ip_offset].stack_count = cur_stack;
1205 }
1206 code [ip_offset].flags |= CODE_SEEN;
1207 } else {
1208 /* stack merge */
1209 if (code [ip_offset].stack_count != cur_stack)
1210 ADD_INVALID (list, g_strdup_printf ("Cannot merge stack states at 0x%04x", ip_offset));
1211 }
1212 start = 0;
1213 if (need_merge) {
1214 if (!can_merge_stack (&code [ip_offset], &code [target - header->code]))
1215 ADD_INVALID (list, g_strdup_printf ("Cannot merge stack states at 0x%04x", ip_offset));
1216 need_merge = 0;
1217 }
1218 #if 0
1219 {
1220 char *discode;
1221 discode = mono_disasm_code_one (NULL, method, ip, NULL);
1222 discode [strlen (discode) - 1] = 0; /* no \n */
1223 g_print ("%-29s (%d)\n", discode, cur_stack);
1224 g_free (discode);
1225 }
1226 #endif
1227
1228 switch (*ip) {
1229 case CEE_NOP:
1230 case CEE_BREAK:
1231 ++ip;
1232 break;
1233 case CEE_LDARG_0:
1234 case CEE_LDARG_1:
1235 case CEE_LDARG_2:
1236 case CEE_LDARG_3:
1237 if (*ip - CEE_LDARG_0 >= max_args)
1238 ADD_INVALID (list, g_strdup_printf ("Method doesn't have argument %d at 0x%04x", *ip - CEE_LDARG_0, ip_offset));
1239 CHECK_STACK_OVERFLOW ();
1240 type_to_eval_stack_type (params [*ip - CEE_LDARG_0], stack + cur_stack, FALSE);
1241 ++cur_stack;
1242 ++ip;
1243 break;
1244 case CEE_LDLOC_0:
1245 case CEE_LDLOC_1:
1246 case CEE_LDLOC_2:
1247 case CEE_LDLOC_3:
1248 if (*ip - CEE_LDLOC_0 >= header->num_locals)
1249 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", *ip - CEE_LDLOC_0, ip_offset));
1250 if (0 && !local_state [*ip - CEE_LDLOC_0])
1251 ADD_INVALID (list, g_strdup_printf ("Local var %d is initialized at 0x%04x", *ip - CEE_LDLOC_0, ip_offset));
1252 CHECK_STACK_OVERFLOW ();
1253 type_to_eval_stack_type (header->locals [*ip - CEE_LDLOC_0], stack + cur_stack, FALSE);
1254 ++cur_stack;
1255 ++ip;
1256 break;
1257 case CEE_STLOC_0:
1258 case CEE_STLOC_1:
1259 case CEE_STLOC_2:
1260 case CEE_STLOC_3:
1261 if (*ip - CEE_STLOC_0 >= header->num_locals)
1262 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", *ip - CEE_STLOC_0, ip_offset));
1263 local_state [*ip - CEE_STLOC_0] = 1;
1264 CHECK_STACK_UNDERFLOW (1);
1265 --cur_stack;
1266 if (!can_store_type (stack + cur_stack, header->locals [*ip - CEE_STLOC_0]))
1267 ADD_INVALID (list, g_strdup_printf ("Incompatible type %s in store at 0x%04x", arg_name [stack [cur_stack].stype], ip_offset));
1268 ++ip;
1269 break;
1270 case CEE_LDARG_S:
1271 case CEE_LDARGA_S:
1272 if (ip [1] >= max_args)
1273 ADD_INVALID (list, g_strdup_printf ("Method doesn't have argument %d at 0x%04x", ip [1], ip_offset));
1274 CHECK_STACK_OVERFLOW ();
1275 type_to_eval_stack_type (params [ip [1]], stack + cur_stack, *ip == CEE_LDARGA_S);
1276 ++cur_stack;
1277 ip += 2;
1278 break;
1279 case CEE_STARG_S:
1280 if (ip [1] >= max_args)
1281 ADD_INVALID (list, g_strdup_printf ("Method doesn't have argument %d at 0x%04x", ip [1], ip_offset));
1282 CHECK_STACK_UNDERFLOW (1);
1283 --cur_stack;
1284 ip += 2;
1285 break;
1286 case CEE_LDLOC_S:
1287 case CEE_LDLOCA_S:
1288 if (ip [1] >= header->num_locals)
1289 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", ip [1], ip_offset));
1290 /* no need to check if the var is initialized if the address is taken */
1291 if (0 && *ip == CEE_LDLOC_S && !local_state [ip [1]])
1292 ADD_INVALID (list, g_strdup_printf ("Local var %d is initialized at 0x%04x", ip [1], ip_offset));
1293 CHECK_STACK_OVERFLOW ();
1294 type_to_eval_stack_type (header->locals [ip [1]], stack + cur_stack, *ip == CEE_LDLOCA_S);
1295 ++cur_stack;
1296 ip += 2;
1297 break;
1298 case CEE_STLOC_S:
1299 if (ip [1] >= header->num_locals)
1300 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", ip [1], ip_offset));
1301 local_state [ip [1]] = 1;
1302 CHECK_STACK_UNDERFLOW (1);
1303 --cur_stack;
1304 if (!can_store_type (stack + cur_stack, header->locals [ip [1]]))
1305 ADD_INVALID (list, g_strdup_printf ("Incompatible type %s in store at 0x%04x", arg_name [stack [cur_stack].stype], ip_offset));
1306 ip += 2;
1307 break;
1308 case CEE_LDNULL:
1309 CHECK_STACK_OVERFLOW ();
1310 stack [cur_stack].type = &mono_defaults.object_class->byval_arg;
1311 stack [cur_stack].stype = TYPE_OBJ;
1312 ++cur_stack;
1313 ++ip;
1314 break;
1315 case CEE_LDC_I4_M1:
1316 case CEE_LDC_I4_0:
1317 case CEE_LDC_I4_1:
1318 case CEE_LDC_I4_2:
1319 case CEE_LDC_I4_3:
1320 case CEE_LDC_I4_4:
1321 case CEE_LDC_I4_5:
1322 case CEE_LDC_I4_6:
1323 case CEE_LDC_I4_7:
1324 case CEE_LDC_I4_8:
1325 CHECK_STACK_OVERFLOW ();
1326 stack [cur_stack].type = &mono_defaults.int_class->byval_arg;
1327 stack [cur_stack].stype = TYPE_I4;
1328 ++cur_stack;
1329 ++ip;
1330 break;
1331 case CEE_LDC_I4_S:
1332 CHECK_STACK_OVERFLOW ();
1333 stack [cur_stack].type = &mono_defaults.int_class->byval_arg;
1334 stack [cur_stack].stype = TYPE_I4;
1335 ++cur_stack;
1336 ip += 2;
1337 break;
1338 case CEE_LDC_I4:
1339 CHECK_STACK_OVERFLOW ();
1340 stack [cur_stack].type = &mono_defaults.int_class->byval_arg;
1341 stack [cur_stack].stype = TYPE_I4;
1342 ++cur_stack;
1343 ip += 5;
1344 break;
1345 case CEE_LDC_I8:
1346 CHECK_STACK_OVERFLOW ();
1347 stack [cur_stack].type = &mono_defaults.int64_class->byval_arg;
1348 stack [cur_stack].stype = TYPE_I8;
1349 ++cur_stack;
1350 ip += 9;
1351 break;
1352 case CEE_LDC_R4:
1353 CHECK_STACK_OVERFLOW ();
1354 stack [cur_stack].type = &mono_defaults.double_class->byval_arg;
1355 stack [cur_stack].stype = TYPE_R8;
1356 ++cur_stack;
1357 ip += 5;
1358 break;
1359 case CEE_LDC_R8:
1360 CHECK_STACK_OVERFLOW ();
1361 stack [cur_stack].type = &mono_defaults.double_class->byval_arg;
1362 stack [cur_stack].stype = TYPE_R8;
1363 ++cur_stack;
1364 ip += 9;
1365 break;
1366 case CEE_UNUSED99: ++ip; break; /* warn/error instead? */
1367 case CEE_DUP:
1368 CHECK_STACK_UNDERFLOW (1);
1369 CHECK_STACK_OVERFLOW ();
1370 stack [cur_stack] = stack [cur_stack - 1];
1371 ++cur_stack;
1372 ++ip;
1373 break;
1374 case CEE_POP:
1375 CHECK_STACK_UNDERFLOW (1);
1376 --cur_stack;
1377 ++ip;
1378 break;
1379 case CEE_JMP:
1380 if (cur_stack)
1381 ADD_INVALID (list, g_strdup_printf ("Eval stack must be empty in jmp at 0x%04x", ip_offset));
1382 token = read32 (ip + 1);
1383 if (in_any_block (header, ip_offset))
1384 ADD_INVALID (list, g_strdup_printf ("jmp cannot escape exception blocks at 0x%04x", ip_offset));
1385 /*
1386 * FIXME: check signature, retval, arguments etc.
1387 */
1388 ip += 5;
1389 break;
1390 case CEE_CALL:
1391 case CEE_CALLVIRT:
1392 token = read32 (ip + 1);
1393 /*
1394 * FIXME: we could just load the signature ...
1395 */
1396 cmethod = mono_get_method_full (image, token, NULL, generic_context);
1397 if (!cmethod)
1398 ADD_INVALID (list, g_strdup_printf ("Method 0x%08x not found at 0x%04x", token, ip_offset));
1399 if (cmethod->signature->pinvoke) {
1400 csig = cmethod->signature;
1401 } else {
1402 csig = mono_method_get_signature (cmethod, image, token);
1403 }
1404
1405 CHECK_STACK_UNDERFLOW (csig->param_count + csig->hasthis);
1406 cur_stack -= csig->param_count + csig->hasthis;
1407 if (csig->ret->type != MONO_TYPE_VOID) {
1408 CHECK_STACK_OVERFLOW ();
1409 type_to_eval_stack_type (csig->ret, stack + cur_stack, FALSE);
1410 ++cur_stack;
1411 }
1412 ip += 5;
1413 break;
1414 case CEE_CALLI:
1415 token = read32 (ip + 1);
1416 /*
1417 * FIXME: check signature, retval, arguments etc.
1418 */
1419 ip += 5;
1420 break;
1421 case CEE_RET:
1422 if (signature->ret->type != MONO_TYPE_VOID) {
1423 CHECK_STACK_UNDERFLOW (1);
1424 --cur_stack;
1425 if (!can_store_type (stack + cur_stack, signature->ret))
1426 ADD_INVALID (list, g_strdup_printf ("Incompatible type %s in ret at 0x%04x", arg_name [stack [cur_stack].stype], ip_offset));
1427 }
1428 if (cur_stack)
1429 ADD_INVALID (list, g_strdup_printf ("Stack not empty (%d) after ret at 0x%04x", cur_stack, ip_offset));
1430 cur_stack = 0;
1431 if (in_any_block (header, ip_offset))
1432 ADD_INVALID (list, g_strdup_printf ("ret cannot escape exception blocks at 0x%04x", ip_offset));
1433 ++ip;
1434 start = 1;
1435 break;
1436 case CEE_BR_S:
1437 target = ip + (signed char)ip [1] + 2;
1438 if (target >= end || target < header->code)
1439 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1440 if (!in_same_block (header, ip_offset, target - header->code))
1441 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1442 ip += 2;
1443 start = 1;
1444 break;
1445 case CEE_BRFALSE_S:
1446 case CEE_BRTRUE_S:
1447 target = ip + (signed char)ip [1] + 2;
1448 if (target >= end || target < header->code)
1449 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1450 if (!in_same_block (header, ip_offset, target - header->code))
1451 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1452 CHECK_STACK_UNDERFLOW (1);
1453 --cur_stack;
1454 if (!is_valid_bool_arg (stack + cur_stack))
1455 ADD_INVALID (list, g_strdup_printf ("Argument type %s not valid for brtrue/brfalse at 0x%04x", arg_name [stack [cur_stack].stype], ip_offset));
1456 ip += 2;
1457 need_merge = 1;
1458 break;
1459 case CEE_BEQ_S:
1460 case CEE_BGE_S:
1461 case CEE_BGT_S:
1462 case CEE_BLE_S:
1463 case CEE_BLT_S:
1464 case CEE_BNE_UN_S:
1465 case CEE_BGE_UN_S:
1466 case CEE_BGT_UN_S:
1467 case CEE_BLE_UN_S:
1468 case CEE_BLT_UN_S:
1469 target = ip + (signed char)ip [1] + 2;
1470 if (target >= end || target < header->code)
1471 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1472 if (!in_same_block (header, ip_offset, target - header->code))
1473 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1474 CHECK_STACK_UNDERFLOW (2);
1475 cur_stack -= 2;
1476 if (type_from_op (*ip, stack + cur_stack) == TYPE_INV)
1477 ADD_INVALID (list, g_strdup_printf ("Invalid arguments to opcode 0x%02x at 0x%04x", *ip, ip_offset));
1478 ip += 2;
1479 need_merge = 1;
1480 break;
1481 case CEE_BR:
1482 target = ip + (gint32)read32 (ip + 1) + 5;
1483 if (target >= end || target < header->code)
1484 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1485 if (!in_same_block (header, ip_offset, target - header->code))
1486 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1487 ip += 5;
1488 start = 1;
1489 break;
1490 case CEE_BRFALSE:
1491 case CEE_BRTRUE:
1492 target = ip + (gint32)read32 (ip + 1) + 5;
1493 if (target >= end || target < header->code)
1494 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1495 if (!in_same_block (header, ip_offset, target - header->code))
1496 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1497 CHECK_STACK_UNDERFLOW (1);
1498 --cur_stack;
1499 if (!is_valid_bool_arg (stack + cur_stack))
1500 ADD_INVALID (list, g_strdup_printf ("Argument type %s not valid for brtrue/brfalse at 0x%04x", arg_name [stack [cur_stack].stype], ip_offset));
1501 ip += 5;
1502 need_merge = 1;
1503 break;
1504 case CEE_BEQ:
1505 case CEE_BGE:
1506 case CEE_BGT:
1507 case CEE_BLE:
1508 case CEE_BLT:
1509 case CEE_BNE_UN:
1510 case CEE_BGE_UN:
1511 case CEE_BGT_UN:
1512 case CEE_BLE_UN:
1513 case CEE_BLT_UN:
1514 target = ip + (gint32)read32 (ip + 1) + 5;
1515 if (target >= end || target < header->code)
1516 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1517 if (!in_same_block (header, ip_offset, target - header->code))
1518 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1519 CHECK_STACK_UNDERFLOW (2);
1520 cur_stack -= 2;
1521 if (type_from_op (*ip, stack + cur_stack) == TYPE_INV)
1522 ADD_INVALID (list, g_strdup_printf ("Invalid arguments to opcode 0x%02x at 0x%04x", *ip, ip_offset));
1523 ip += 5;
1524 need_merge = 1;
1525 break;
1526 case CEE_SWITCH:
1527 n = read32 (ip + 1);
1528 target = ip + sizeof (guint32) * n;
1529 /* FIXME: check that ip is in range (and within the same exception block) */
1530 for (i = 0; i < n; ++i)
1531 if (target + (gint32) read32 (ip + 5 + i * sizeof (gint32)) >= end || target + (gint32) read32 (ip + 5 + i * sizeof (gint32)) < header->code)
1532 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1533 CHECK_STACK_UNDERFLOW (1);
1534 --cur_stack;
1535 if (stack [cur_stack].stype != TYPE_I4)
1536 ADD_INVALID (list, g_strdup_printf ("Invalid argument to switch at 0x%04x", ip_offset));
1537 ip += 5 + sizeof (guint32) * n;
1538 break;
1539 case CEE_LDIND_I1:
1540 case CEE_LDIND_U1:
1541 case CEE_LDIND_I2:
1542 case CEE_LDIND_U2:
1543 case CEE_LDIND_I4:
1544 case CEE_LDIND_U4:
1545 case CEE_LDIND_I8:
1546 case CEE_LDIND_I:
1547 case CEE_LDIND_R4:
1548 case CEE_LDIND_R8:
1549 case CEE_LDIND_REF:
1550 CHECK_STACK_UNDERFLOW (1);
1551 if (stack [cur_stack - 1].stype != TYPE_PTR && stack [cur_stack - 1].stype != TYPE_MP)
1552 ADD_INVALID (list, g_strdup_printf ("Invalid argument to ldind at 0x%04x", ip_offset));
1553 stack [cur_stack - 1].stype = ldind_type [*ip - CEE_LDIND_I1];
1554 ++ip;
1555 break;
1556 case CEE_STIND_REF:
1557 case CEE_STIND_I1:
1558 case CEE_STIND_I2:
1559 case CEE_STIND_I4:
1560 case CEE_STIND_I8:
1561 case CEE_STIND_R4:
1562 case CEE_STIND_R8:
1563 CHECK_STACK_UNDERFLOW (2);
1564 cur_stack -= 2;
1565 if (stack [cur_stack].stype != TYPE_PTR && stack [cur_stack].stype != TYPE_MP)
1566 ADD_INVALID (list, g_strdup_printf ("Invalid pointer argument to stind at 0x%04x", ip_offset));
1567 if (!stind_type (*ip, stack [cur_stack + 1].stype))
1568 ADD_INVALID (list, g_strdup_printf ("Incompatible value argument to stind at 0x%04x", ip_offset));
1569 ++ip;
1570 break;
1571 case CEE_ADD:
1572 case CEE_SUB:
1573 case CEE_MUL:
1574 case CEE_DIV:
1575 case CEE_DIV_UN:
1576 case CEE_REM:
1577 case CEE_REM_UN:
1578 case CEE_AND:
1579 case CEE_OR:
1580 case CEE_XOR:
1581 case CEE_SHL:
1582 case CEE_SHR:
1583 case CEE_SHR_UN:
1584 CHECK_STACK_UNDERFLOW (2);
1585 --cur_stack;
1586 if (type_from_op (*ip, stack + cur_stack - 1) == TYPE_INV)
1587 ADD_INVALID (list, g_strdup_printf ("Invalid arguments to opcode 0x%02x at 0x%04x", *ip, ip_offset));
1588 ++ip;
1589 break;
1590 case CEE_NEG:
1591 case CEE_NOT:
1592 case CEE_CONV_I1:
1593 case CEE_CONV_I2:
1594 case CEE_CONV_I4:
1595 case CEE_CONV_I8:
1596 case CEE_CONV_R4:
1597 case CEE_CONV_R8:
1598 case CEE_CONV_U4:
1599 case CEE_CONV_U8:
1600 CHECK_STACK_UNDERFLOW (1);
1601 if (type_from_op (*ip, stack + cur_stack - 1) == TYPE_INV)
1602 ADD_INVALID (list, g_strdup_printf ("Invalid arguments to opcode 0x%02x at 0x%04x", *ip, ip_offset));
1603 ++ip;
1604 break;
1605 case CEE_CPOBJ:
1606 token = read32 (ip + 1);
1607 CHECK_STACK_UNDERFLOW (2);
1608 cur_stack -= 2;
1609 ip += 5;
1610 break;
1611 case CEE_LDOBJ:
1612 token = read32 (ip + 1);
1613 CHECK_STACK_UNDERFLOW (1);
1614 if (stack [cur_stack - 1].stype != TYPE_MP)
1615 ADD_INVALID (list, g_strdup_printf ("Invalid argument to ldobj at 0x%04x", ip_offset));
1616 klass = mono_class_get_full (image, token, generic_context);
1617 if (!klass)
1618 ADD_INVALID (list, g_strdup_printf ("Cannot load class from token 0x%08x at 0x%04x", token, ip_offset));
1619 if (!klass->valuetype)
1620 ADD_INVALID (list, g_strdup_printf ("Class is not a valuetype at 0x%04x", ip_offset));
1621 stack [cur_stack - 1].stype = TYPE_VT;
1622 stack [cur_stack - 1].type = &klass->byval_arg;
1623 ip += 5;
1624 break;
1625 case CEE_LDSTR:
1626 token = read32 (ip + 1);
1627 CHECK_STACK_OVERFLOW ();
1628 stack [cur_stack].type = &mono_defaults.string_class->byval_arg;
1629 stack [cur_stack].stype = TYPE_OBJ;
1630 ++cur_stack;
1631 ip += 5;
1632 break;
1633 case CEE_NEWOBJ:
1634 token = read32 (ip + 1);
1635 /*
1636 * FIXME: we could just load the signature ...
1637 */
1638 cmethod = mono_get_method_full (image, token, NULL, generic_context);
1639 if (!cmethod)
1640 ADD_INVALID (list, g_strdup_printf ("Constructor 0x%08x not found at 0x%04x", token, ip_offset));
1641 csig = cmethod->signature;
1642 CHECK_STACK_UNDERFLOW (csig->param_count);
1643 cur_stack -= csig->param_count;
1644 CHECK_STACK_OVERFLOW ();
1645 stack [cur_stack].type = &cmethod->klass->byval_arg;
1646 stack [cur_stack].stype = cmethod->klass->valuetype? TYPE_VT: TYPE_OBJ;
1647 ++cur_stack;
1648 ip += 5;
1649 break;
1650 case CEE_CASTCLASS:
1651 case CEE_ISINST:
1652 token = read32 (ip + 1);
1653 CHECK_STACK_UNDERFLOW (1);
1654 ip += 5;
1655 break;
1656 case CEE_CONV_R_UN:
1657 CHECK_STACK_UNDERFLOW (1);
1658 ++ip;
1659 break;
1660 case CEE_UNUSED58:
1661 case CEE_UNUSED1:
1662 ++ip; /* warn, error ? */
1663 break;
1664 case CEE_UNBOX:
1665 token = read32 (ip + 1);
1666 CHECK_STACK_UNDERFLOW (1);
1667 if (stack [cur_stack - 1].stype != TYPE_OBJ)
1668 ADD_INVALID (list, g_strdup_printf ("Invalid argument %s to unbox at 0x%04x", arg_name [stack [cur_stack - 1].stype], ip_offset));
1669 stack [cur_stack - 1].stype = TYPE_MP;
1670 stack [cur_stack - 1].type = NULL;
1671 ip += 5;
1672 break;
1673 case CEE_THROW:
1674 CHECK_STACK_UNDERFLOW (1);
1675 --cur_stack;
1676 ++ip;
1677 start = 1;
1678 break;
1679 case CEE_LDFLD:
1680 CHECK_STACK_UNDERFLOW (1);
1681 if (stack [cur_stack - 1].stype != TYPE_OBJ && stack [cur_stack - 1].stype != TYPE_MP)
1682 ADD_INVALID (list, g_strdup_printf ("Invalid argument %s to ldfld at 0x%04x", arg_name [stack [cur_stack].stype], ip_offset));
1683 token = read32 (ip + 1);
1684 field = mono_field_from_token (image, token, &klass, generic_context);
1685 if (!field)
1686 ADD_INVALID (list, g_strdup_printf ("Cannot load field from token 0x%08x at 0x%04x", token, ip_offset));
1687 type_to_eval_stack_type (field->type, stack + cur_stack - 1, FALSE);
1688 ip += 5;
1689 break;
1690 case CEE_LDFLDA:
1691 CHECK_STACK_UNDERFLOW (1);
1692 if (stack [cur_stack - 1].stype != TYPE_OBJ && stack [cur_stack - 1].stype != TYPE_MP)
1693 ADD_INVALID (list, g_strdup_printf ("Invalid argument to ldflda at 0x%04x", ip_offset));
1694 token = read32 (ip + 1);
1695 field = mono_field_from_token (image, token, &klass, generic_context);
1696 if (!field)
1697 ADD_INVALID (list, g_strdup_printf ("Cannot load field from token 0x%08x at 0x%04x", token, ip_offset));
1698 type_to_eval_stack_type (field->type, stack + cur_stack - 1, TRUE);
1699 ip += 5;
1700 break;
1701 case CEE_STFLD:
1702 CHECK_STACK_UNDERFLOW (2);
1703 cur_stack -= 2;
1704 if (stack [cur_stack].stype != TYPE_OBJ && stack [cur_stack].stype != TYPE_MP)
1705 ADD_INVALID (list, g_strdup_printf ("Invalid argument to stfld at 0x%04x", ip_offset));
1706 token = read32 (ip + 1);
1707 field = mono_field_from_token (image, token, &klass, generic_context);
1708 if (!field)
1709 ADD_INVALID (list, g_strdup_printf ("Cannot load field from token 0x%08x at 0x%04x", token, ip_offset));
1710 /* can_store */
1711 ip += 5;
1712 break;
1713 case CEE_LDSFLD:
1714 CHECK_STACK_OVERFLOW ();
1715 token = read32 (ip + 1);
1716 field = mono_field_from_token (image, token, &klass, generic_context);
1717 if (!field)
1718 ADD_INVALID (list, g_strdup_printf ("Cannot load field from token 0x%08x at 0x%04x", token, ip_offset));
1719 type_to_eval_stack_type (field->type, stack + cur_stack, FALSE);
1720 ++cur_stack;
1721 ip += 5;
1722 break;
1723 case CEE_LDSFLDA:
1724 CHECK_STACK_OVERFLOW ();
1725 token = read32 (ip + 1);
1726 field = mono_field_from_token (image, token, &klass, generic_context);
1727 if (!field)
1728 ADD_INVALID (list, g_strdup_printf ("Cannot load field from token 0x%08x at 0x%04x", token, ip_offset));
1729 type_to_eval_stack_type (field->type, stack + cur_stack, TRUE);
1730 ++cur_stack;
1731 ip += 5;
1732 break;
1733 case CEE_STSFLD:
1734 CHECK_STACK_UNDERFLOW (1);
1735 --cur_stack;
1736 token = read32 (ip + 1);
1737 field = mono_field_from_token (image, token, &klass, generic_context);
1738 if (!field)
1739 ADD_INVALID (list, g_strdup_printf ("Cannot load field from token 0x%08x at 0x%04x", token, ip_offset));
1740 /* can store */
1741 ip += 5;
1742 break;
1743 case CEE_STOBJ:
1744 CHECK_STACK_UNDERFLOW (2);
1745 cur_stack -= 2;
1746 token = read32 (ip + 1);
1747 ip += 5;
1748 break;
1749 case CEE_CONV_OVF_I1_UN:
1750 case CEE_CONV_OVF_I2_UN:
1751 case CEE_CONV_OVF_I4_UN:
1752 case CEE_CONV_OVF_I8_UN:
1753 case CEE_CONV_OVF_U1_UN:
1754 case CEE_CONV_OVF_U2_UN:
1755 case CEE_CONV_OVF_U4_UN:
1756 case CEE_CONV_OVF_U8_UN:
1757 case CEE_CONV_OVF_I_UN:
1758 case CEE_CONV_OVF_U_UN:
1759 CHECK_STACK_UNDERFLOW (1);
1760 if (type_from_op (*ip, stack + cur_stack - 1) == TYPE_INV)
1761 ADD_INVALID (list, g_strdup_printf ("Invalid arguments to opcode 0x%02x at 0x%04x", *ip, ip_offset));
1762 ++ip;
1763 break;
1764 case CEE_BOX:
1765 CHECK_STACK_UNDERFLOW (1);
1766 token = read32 (ip + 1);
1767 if (stack [cur_stack - 1].stype == TYPE_OBJ)
1768 ADD_INVALID (list, g_strdup_printf ("Invalid argument %s to box at 0x%04x", arg_name [stack [cur_stack - 1].stype], ip_offset));
1769 stack [cur_stack - 1].stype = TYPE_OBJ;
1770 ip += 5;
1771 break;
1772 case CEE_NEWARR:
1773 CHECK_STACK_UNDERFLOW (1);
1774 token = read32 (ip + 1);
1775 stack [cur_stack - 1].stype = TYPE_OBJ;
1776 ip += 5;
1777 break;
1778 case CEE_LDLEN:
1779 CHECK_STACK_UNDERFLOW (1);
1780 if (stack [cur_stack - 1].stype != TYPE_OBJ)
1781 ADD_INVALID (list, g_strdup_printf ("Invalid argument to ldlen at 0x%04x", ip_offset));
1782 stack [cur_stack - 1].type = &mono_defaults.int_class->byval_arg; /* FIXME: use a native int type */
1783 stack [cur_stack - 1].stype = TYPE_PTR;
1784 ++ip;
1785 break;
1786 case CEE_LDELEMA:
1787 CHECK_STACK_UNDERFLOW (2);
1788 --cur_stack;
1789 if (stack [cur_stack - 1].stype != TYPE_OBJ)
1790 ADD_INVALID (list, g_strdup_printf ("Invalid array argument to ldelema at 0x%04x", ip_offset));
1791 if (stack [cur_stack].stype != TYPE_I4 && stack [cur_stack].stype != TYPE_PTR)
1792 ADD_INVALID (list, g_strdup_printf ("Array index needs to be Int32 or IntPtr at 0x%04x", ip_offset));
1793 stack [cur_stack - 1].stype = TYPE_MP;
1794 token = read32 (ip + 1);
1795 ip += 5;
1796 break;
1797 case CEE_LDELEM_I1:
1798 case CEE_LDELEM_U1:
1799 case CEE_LDELEM_I2:
1800 case CEE_LDELEM_U2:
1801 case CEE_LDELEM_I4:
1802 case CEE_LDELEM_U4:
1803 case CEE_LDELEM_I8:
1804 case CEE_LDELEM_I:
1805 case CEE_LDELEM_R4:
1806 case CEE_LDELEM_R8:
1807 case CEE_LDELEM_REF:
1808 CHECK_STACK_UNDERFLOW (2);
1809 --cur_stack;
1810 if (stack [cur_stack - 1].stype != TYPE_OBJ)
1811 ADD_INVALID (list, g_strdup_printf ("Invalid array argument to ldelem at 0x%04x", ip_offset));
1812 if (stack [cur_stack].stype != TYPE_I4 && stack [cur_stack].stype != TYPE_PTR)
1813 ADD_INVALID (list, g_strdup_printf ("Array index needs to be Int32 or IntPtr at 0x%04x", ip_offset));
1814 stack [cur_stack - 1].stype = ldelem_type [*ip - CEE_LDELEM_I1];
1815 ++ip;
1816 break;
1817 case CEE_STELEM_I:
1818 case CEE_STELEM_I1:
1819 case CEE_STELEM_I2:
1820 case CEE_STELEM_I4:
1821 case CEE_STELEM_I8:
1822 case CEE_STELEM_R4:
1823 case CEE_STELEM_R8:
1824 case CEE_STELEM_REF:
1825 CHECK_STACK_UNDERFLOW (3);
1826 cur_stack -= 3;
1827 ++ip;
1828 break;
1829 case CEE_LDELEM_ANY:
1830 case CEE_STELEM_ANY:
1831 case CEE_UNBOX_ANY:
1832 case CEE_UNUSED5:
1833 case CEE_UNUSED6:
1834 case CEE_UNUSED7:
1835 case CEE_UNUSED8:
1836 case CEE_UNUSED9:
1837 case CEE_UNUSED10:
1838 case CEE_UNUSED11:
1839 case CEE_UNUSED12:
1840 case CEE_UNUSED13:
1841 case CEE_UNUSED14:
1842 case CEE_UNUSED15:
1843 case CEE_UNUSED16:
1844 case CEE_UNUSED17:
1845 ++ip; /* warn, error ? */
1846 break;
1847 case CEE_CONV_OVF_I1:
1848 case CEE_CONV_OVF_U1:
1849 case CEE_CONV_OVF_I2:
1850 case CEE_CONV_OVF_U2:
1851 case CEE_CONV_OVF_I4:
1852 case CEE_CONV_OVF_U4:
1853 case CEE_CONV_OVF_I8:
1854 case CEE_CONV_OVF_U8:
1855 CHECK_STACK_UNDERFLOW (1);
1856 if (type_from_op (*ip, stack + cur_stack - 1) == TYPE_INV)
1857 ADD_INVALID (list, g_strdup_printf ("Invalid arguments to opcode 0x%02x at 0x%04x", *ip, ip_offset));
1858 ++ip;
1859 break;
1860 case CEE_UNUSED50:
1861 case CEE_UNUSED18:
1862 case CEE_UNUSED19:
1863 case CEE_UNUSED20:
1864 case CEE_UNUSED21:
1865 case CEE_UNUSED22:
1866 case CEE_UNUSED23:
1867 ++ip; /* warn, error ? */
1868 break;
1869 case CEE_REFANYVAL:
1870 CHECK_STACK_UNDERFLOW (1);
1871 ++ip;
1872 break;
1873 case CEE_CKFINITE:
1874 CHECK_STACK_UNDERFLOW (1);
1875 ++ip;
1876 break;
1877 case CEE_UNUSED24:
1878 case CEE_UNUSED25:
1879 ++ip; /* warn, error ? */
1880 break;
1881 case CEE_MKREFANY:
1882 CHECK_STACK_UNDERFLOW (1);
1883 token = read32 (ip + 1);
1884 ip += 5;
1885 break;
1886 case CEE_UNUSED59:
1887 case CEE_UNUSED60:
1888 case CEE_UNUSED61:
1889 case CEE_UNUSED62:
1890 case CEE_UNUSED63:
1891 case CEE_UNUSED64:
1892 case CEE_UNUSED65:
1893 case CEE_UNUSED66:
1894 case CEE_UNUSED67:
1895 ++ip; /* warn, error ? */
1896 break;
1897 case CEE_LDTOKEN:
1898 CHECK_STACK_OVERFLOW ();
1899 token = read32 (ip + 1);
1900 ++cur_stack;
1901 ip += 5;
1902 break;
1903 case CEE_CONV_U2:
1904 case CEE_CONV_U1:
1905 case CEE_CONV_I:
1906 case CEE_CONV_OVF_I:
1907 case CEE_CONV_OVF_U:
1908 CHECK_STACK_UNDERFLOW (1);
1909 if (type_from_op (*ip, stack + cur_stack - 1) == TYPE_INV)
1910 ADD_INVALID (list, g_strdup_printf ("Invalid arguments to opcode 0x%02x at 0x%04x", *ip, ip_offset));
1911 ++ip;
1912 break;
1913 case CEE_ADD_OVF:
1914 case CEE_ADD_OVF_UN:
1915 case CEE_MUL_OVF:
1916 case CEE_MUL_OVF_UN:
1917 case CEE_SUB_OVF:
1918 case CEE_SUB_OVF_UN:
1919 CHECK_STACK_UNDERFLOW (2);
1920 --cur_stack;
1921 ++ip;
1922 break;
1923 case CEE_ENDFINALLY:
1924 ++ip;
1925 start = 1;
1926 break;
1927 case CEE_LEAVE:
1928 target = ip + (gint32)read32(ip + 1) + 5;
1929 if (target >= end || target < header->code)
1930 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1931 if (!is_correct_leave (header, ip_offset, target - header->code))
1932 ADD_INVALID (list, g_strdup_printf ("Leave not allowed in finally block at 0x%04x", ip_offset));
1933 ip += 5;
1934 start = 1;
1935 break;
1936 case CEE_LEAVE_S:
1937 target = ip + (signed char)ip [1] + 2;
1938 if (target >= end || target < header->code)
1939 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1940 if (!is_correct_leave (header, ip_offset, target - header->code))
1941 ADD_INVALID (list, g_strdup_printf ("Leave not allowed in finally block at 0x%04x", ip_offset));
1942 ip += 2;
1943 start = 1;
1944 break;
1945 case CEE_STIND_I:
1946 CHECK_STACK_UNDERFLOW (2);
1947 cur_stack -= 2;
1948 ++ip;
1949 break;
1950 case CEE_CONV_U:
1951 CHECK_STACK_UNDERFLOW (1);
1952 ++ip;
1953 break;
1954 case CEE_UNUSED26:
1955 case CEE_UNUSED27:
1956 case CEE_UNUSED28:
1957 case CEE_UNUSED29:
1958 case CEE_UNUSED30:
1959 case CEE_UNUSED31:
1960 case CEE_UNUSED32:
1961 case CEE_UNUSED33:
1962 case CEE_UNUSED34:
1963 case CEE_UNUSED35:
1964 case CEE_UNUSED36:
1965 case CEE_UNUSED37:
1966 case CEE_UNUSED38:
1967 case CEE_UNUSED39:
1968 case CEE_UNUSED40:
1969 case CEE_UNUSED41:
1970 case CEE_UNUSED42:
1971 case CEE_UNUSED43:
1972 case CEE_UNUSED44:
1973 case CEE_UNUSED45:
1974 case CEE_UNUSED46:
1975 case CEE_UNUSED47:
1976 case CEE_UNUSED48:
1977 ++ip;
1978 break;
1979 case CEE_PREFIX7:
1980 case CEE_PREFIX6:
1981 case CEE_PREFIX5:
1982 case CEE_PREFIX4:
1983 case CEE_PREFIX3:
1984 case CEE_PREFIX2:
1985 case CEE_PREFIXREF:
1986 ++ip;
1987 break;
1988 case CEE_PREFIX1:
1989 ++ip;
1990 switch (*ip) {
1991 case CEE_ARGLIST:
1992 CHECK_STACK_OVERFLOW ();
1993 ++ip;
1994 break;
1995 case CEE_CEQ:
1996 case CEE_CGT:
1997 case CEE_CGT_UN:
1998 case CEE_CLT:
1999 case CEE_CLT_UN:
2000 CHECK_STACK_UNDERFLOW (2);
2001 --cur_stack;
2002 if (type_from_op (256 + *ip, stack + cur_stack - 1) == TYPE_INV)
2003 ADD_INVALID (list, g_strdup_printf ("Invalid arguments to opcode 0xFE 0x%02x at 0x%04x", *ip, ip_offset));
2004 ++ip;
2005 break;
2006 case CEE_LDFTN:
2007 CHECK_STACK_OVERFLOW ();
2008 token = read32 (ip + 1);
2009 ip += 5;
2010 stack [cur_stack].stype = TYPE_PTR;
2011 cur_stack++;
2012 break;
2013 case CEE_LDVIRTFTN:
2014 CHECK_STACK_UNDERFLOW (1);
2015 token = read32 (ip + 1);
2016 ip += 5;
2017 if (stack [cur_stack - 1].stype != TYPE_OBJ)
2018 ADD_INVALID (list, g_strdup_printf ("Invalid argument to ldvirtftn at 0x%04x", ip_offset));
2019 stack [cur_stack - 1].stype = TYPE_PTR;
2020 break;
2021 case CEE_UNUSED56:
2022 ++ip;
2023 break;
2024 case CEE_LDARG:
2025 case CEE_LDARGA:
2026 if (read16 (ip + 1) >= max_args)
2027 ADD_INVALID (list, g_strdup_printf ("Method doesn't have argument %d at 0x%04x", read16 (ip + 1), ip_offset));
2028 CHECK_STACK_OVERFLOW ();
2029 ++cur_stack;
2030 ip += 3;
2031 break;
2032 case CEE_STARG:
2033 if (read16 (ip + 1) >= max_args)
2034 ADD_INVALID (list, g_strdup_printf ("Method doesn't have argument %d at 0x%04x", read16(ip + 1), ip_offset));
2035 CHECK_STACK_UNDERFLOW (1);
2036 --cur_stack;
2037 ip += 3;
2038 break;
2039 case CEE_LDLOC:
2040 case CEE_LDLOCA:
2041 n = read16 (ip + 1);
2042 if (n >= header->num_locals)
2043 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", n, ip_offset));
2044 /* no need to check if the var is initialized if the address is taken */
2045 if (0 && *ip == CEE_LDLOC && !local_state [n])
2046 ADD_INVALID (list, g_strdup_printf ("Local var %d is initialized at 0x%04x", n, ip_offset));
2047 CHECK_STACK_OVERFLOW ();
2048 type_to_eval_stack_type (header->locals [n], stack + cur_stack, *ip == CEE_LDLOCA);
2049 ++cur_stack;
2050 ip += 3;
2051 break;
2052 case CEE_STLOC:
2053 n = read16 (ip + 1);
2054 if (n >= header->num_locals)
2055 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", n, ip_offset));
2056 local_state [n] = 1;
2057 CHECK_STACK_UNDERFLOW (1);
2058 --cur_stack;
2059 if (!can_store_type (stack + cur_stack, header->locals [n]))
2060 ADD_INVALID (list, g_strdup_printf ("Incompatible type %s in store at 0x%04x", arg_name [stack [cur_stack].stype], ip_offset));
2061 ip += 3;
2062 break;
2063 case CEE_LOCALLOC:
2064 if (cur_stack != 1)
2065 ADD_INVALID (list, g_strdup_printf ("Stack must have only size item in localloc at 0x%04x", ip_offset));
2066 if (stack [cur_stack -1].stype != TYPE_I4 && stack [cur_stack -1].stype != TYPE_PTR)
2067 ADD_INVALID (list, g_strdup_printf ("Invalid argument to localloc at 0x%04x", ip_offset));
2068 stack [cur_stack -1].stype = TYPE_MP;
2069 ++ip;
2070 break;
2071 case CEE_UNUSED57:
2072 ++ip;
2073 break;
2074 case CEE_ENDFILTER:
2075 if (cur_stack != 1)
2076 ADD_INVALID (list, g_strdup_printf ("Stack must have only filter result in endfilter at 0x%04x", ip_offset));
2077 ++ip;
2078 break;
2079 case CEE_UNALIGNED_:
2080 prefix |= PREFIX_UNALIGNED;
2081 ++ip;
2082 break;
2083 case CEE_VOLATILE_:
2084 prefix |= PREFIX_VOLATILE;
2085 ++ip;
2086 break;
2087 case CEE_TAIL_:
2088 prefix |= PREFIX_TAIL;
2089 ++ip;
2090 if (ip < end && (*ip != CEE_CALL && *ip != CEE_CALLI && *ip != CEE_CALLVIRT))
2091 ADD_INVALID (list, g_strdup_printf ("tail prefix must be used only with call opcodes at 0x%04x", ip_offset));
2092 break;
2093 case CEE_INITOBJ:
2094 CHECK_STACK_UNDERFLOW (1);
2095 token = read32 (ip + 1);
2096 ip += 5;
2097 --cur_stack;
2098 break;
2099 case CEE_CONSTRAINED_:
2100 token = read32 (ip + 1);
2101 ip += 5;
2102 break;
2103 case CEE_CPBLK:
2104 CHECK_STACK_UNDERFLOW (3);
2105 ip++;
2106 break;
2107 case CEE_INITBLK:
2108 CHECK_STACK_UNDERFLOW (3);
2109 ip++;
2110 break;
2111 case CEE_NO_:
2112 ip += 2;
2113 break;
2114 case CEE_RETHROW:
2115 ++ip;
2116 break;
2117 case CEE_UNUSED:
2118 ++ip;
2119 break;
2120 case CEE_SIZEOF:
2121 CHECK_STACK_OVERFLOW ();
2122 token = read32 (ip + 1);
2123 ip += 5;
2124 stack [cur_stack].type = &mono_defaults.uint_class->byval_arg;
2125 stack [cur_stack].stype = TYPE_I4;
2126 cur_stack++;
2127 break;
2128 case CEE_REFANYTYPE:
2129 CHECK_STACK_UNDERFLOW (1);
2130 ++ip;
2131 break;
2132 case CEE_UNUSED53:
2133 case CEE_UNUSED54:
2134 case CEE_UNUSED55:
2135 case CEE_UNUSED70:
2136 ++ip;
2137 break;
2138 }
2139 }
2140 }
2141 /*
2142 * if ip != end we overflowed: mark as error.
2143 */
2144 if (ip != end || !start) {
2145 ADD_INVALID (list, g_strdup_printf ("Run ahead of method code at 0x%04x", ip_offset));
2146 }
2147 invalid_cil:
2148
2149 g_free (local_state);
2150 g_free (code);
2151 g_free (stack);
2152 if (signature->hasthis)
2153 g_free (params);
2154 return list;
2155 }
2156
2157 typedef struct {
2158 const char *name;
2159 guint64 offset;
2160 } FieldDesc;
2161
2162 typedef struct {
2163 const char *name;
2164 const FieldDesc *fields;
2165 } ClassDesc;
2166
2167 static const FieldDesc
2168 typebuilder_fields[] = {
2169 {"tname", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, name)},
2170 {"nspace", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, nspace)},
2171 {"parent", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, parent)},
2172 {"interfaces", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, interfaces)},
2173 {"methods", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, methods)},
2174 {"properties", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, properties)},
2175 {"fields", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, fields)},
2176 {"attrs", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, attrs)},
2177 {"table_idx", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, table_idx)},
2178 {NULL, 0}
2179 };
2180
2181 static const FieldDesc
2182 modulebuilder_fields[] = {
2183 {"types", G_STRUCT_OFFSET (MonoReflectionModuleBuilder, types)},
2184 {"cattrs", G_STRUCT_OFFSET (MonoReflectionModuleBuilder, cattrs)},
2185 {"guid", G_STRUCT_OFFSET (MonoReflectionModuleBuilder, guid)},
2186 {"table_idx", G_STRUCT_OFFSET (MonoReflectionModuleBuilder, table_idx)},
2187 {NULL, 0}
2188 };
2189
2190 static const FieldDesc
2191 assemblybuilder_fields[] = {
2192 {"entry_point", G_STRUCT_OFFSET (MonoReflectionAssemblyBuilder, entry_point)},
2193 {"modules", G_STRUCT_OFFSET (MonoReflectionAssemblyBuilder, modules)},
2194 {"name", G_STRUCT_OFFSET (MonoReflectionAssemblyBuilder, name)},
2195 {"resources", G_STRUCT_OFFSET (MonoReflectionAssemblyBuilder, resources)},
2196 {"version", G_STRUCT_OFFSET (MonoReflectionAssemblyBuilder, version)},
2197 {"culture", G_STRUCT_OFFSET (MonoReflectionAssemblyBuilder, culture)},
2198 {NULL, 0}
2199 };
2200
2201 static const FieldDesc
2202 ctorbuilder_fields[] = {
2203 {"ilgen", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, ilgen)},
2204 {"parameters", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, parameters)},
2205 {"attrs", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, attrs)},
2206 {"iattrs", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, iattrs)},
2207 {"table_idx", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, table_idx)},
2208 {"call_conv", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, call_conv)},
2209 {"type", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, type)},
2210 {NULL, 0}
2211 };
2212
2213 static const FieldDesc
2214 methodbuilder_fields[] = {
2215 {"mhandle", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, mhandle)},
2216 {"rtype", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, rtype)},
2217 {"parameters", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, parameters)},
2218 {"attrs", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, attrs)},
2219 {"iattrs", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, iattrs)},
2220 {"name", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, name)},
2221 {"table_idx", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, table_idx)},
2222 {"code", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, code)},
2223 {"ilgen", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, ilgen)},
2224 {"type", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, type)},
2225 {"pinfo", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, pinfo)},
2226 {"pi_dll", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, dll)},
2227 {"pi_entry", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, dllentry)},
2228 {"ncharset", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, charset)},
2229 {"native_cc", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, native_cc)},
2230 {"call_conv", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, call_conv)},
2231 {NULL, 0}
2232 };
2233
2234 static const FieldDesc
2235 fieldbuilder_fields[] = {
2236 {"attrs", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, attrs)},
2237 {"type", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, type)},
2238 {"name", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, name)},
2239 {"def_value", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, def_value)},
2240 {"offset", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, offset)},
2241 {"table_idx", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, table_idx)},
2242 {NULL, 0}
2243 };
2244
2245 static const FieldDesc
2246 propertybuilder_fields[] = {
2247 {"attrs", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, attrs)},
2248 {"name", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, name)},
2249 {"type", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, type)},
2250 {"parameters", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, parameters)},
2251 {"def_value", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, def_value)},
2252 {"set_method", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, set_method)},
2253 {"get_method", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, get_method)},
2254 {"table_idx", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, table_idx)},
2255 {NULL, 0}
2256 };
2257
2258 static const FieldDesc
2259 ilgenerator_fields[] = {
2260 {"code", G_STRUCT_OFFSET (MonoReflectionILGen, code)},
2261 {"code_len", G_STRUCT_OFFSET (MonoReflectionILGen, code_len)},
2262 {"max_stack", G_STRUCT_OFFSET (MonoReflectionILGen, max_stack)},
2263 {"cur_stack", G_STRUCT_OFFSET (MonoReflectionILGen, cur_stack)},
2264 {"locals", G_STRUCT_OFFSET (MonoReflectionILGen, locals)},
2265 {"ex_handlers", G_STRUCT_OFFSET (MonoReflectionILGen, ex_handlers)},
2266 {NULL, 0}
2267 };
2268
2269 static const FieldDesc
2270 ilexinfo_fields[] = {
2271 {"handlers", G_STRUCT_OFFSET (MonoILExceptionInfo, handlers)},
2272 {"start", G_STRUCT_OFFSET (MonoILExceptionInfo, start)},
2273 {"len", G_STRUCT_OFFSET (MonoILExceptionInfo, len)},
2274 {"end", G_STRUCT_OFFSET (MonoILExceptionInfo, label)},
2275 {NULL, 0}
2276 };
2277
2278 static const FieldDesc
2279 ilexblock_fields[] = {
2280 {"extype", G_STRUCT_OFFSET (MonoILExceptionBlock, extype)},
2281 {"type", G_STRUCT_OFFSET (MonoILExceptionBlock, type)},
2282 {"start", G_STRUCT_OFFSET (MonoILExceptionBlock, start)},
2283 {"len", G_STRUCT_OFFSET (MonoILExceptionBlock, len)},
2284 {"filter_offset", G_STRUCT_OFFSET (MonoILExceptionBlock, filter_offset)},
2285 {NULL, 0}
2286 };
2287
2288 static const ClassDesc
2289 emit_classes_to_check [] = {
2290 {"TypeBuilder", typebuilder_fields},
2291 {"ModuleBuilder", modulebuilder_fields},
2292 {"AssemblyBuilder", assemblybuilder_fields},
2293 {"ConstructorBuilder", ctorbuilder_fields},
2294 {"MethodBuilder", methodbuilder_fields},
2295 {"FieldBuilder", fieldbuilder_fields},
2296 {"PropertyBuilder", propertybuilder_fields},
2297 {"ILGenerator", ilgenerator_fields},
2298 {"ILExceptionBlock", ilexblock_fields},
2299 {"ILExceptionInfo", ilexinfo_fields},
2300 {NULL, NULL}
2301 };
2302
2303 static const FieldDesc
2304 monoevent_fields[] = {
2305 {"klass", G_STRUCT_OFFSET (MonoReflectionEvent, klass)},
2306 {"handle", G_STRUCT_OFFSET (MonoReflectionEvent, event)},
2307 {NULL, 0}
2308 };
2309
2310 static const FieldDesc
2311 monoproperty_fields[] = {
2312 {"klass", G_STRUCT_OFFSET (MonoReflectionProperty, klass)},
2313 {"prop", G_STRUCT_OFFSET (MonoReflectionProperty, property)},
2314 {NULL, 0}
2315 };
2316
2317 static const FieldDesc
2318 monofield_fields[] = {
2319 {"klass", G_STRUCT_OFFSET (MonoReflectionField, klass)},
2320 {"fhandle", G_STRUCT_OFFSET (MonoReflectionField, field)},
2321 {NULL, 0}
2322 };
2323
2324 static const FieldDesc
2325 monomethodinfo_fields[] = {
2326 {"parent", G_STRUCT_OFFSET (MonoMethodInfo, parent)},
2327 {"ret", G_STRUCT_OFFSET (MonoMethodInfo, ret)},
2328 {"attrs", G_STRUCT_OFFSET (MonoMethodInfo, attrs)},
2329 {"iattrs", G_STRUCT_OFFSET (MonoMethodInfo, implattrs)},
2330 {NULL, 0}
2331 };
2332
2333 static const FieldDesc
2334 monopropertyinfo_fields[] = {
2335 {"parent", G_STRUCT_OFFSET (MonoPropertyInfo, parent)},
2336 {"name", G_STRUCT_OFFSET (MonoPropertyInfo, name)},
2337 {"get_method", G_STRUCT_OFFSET (MonoPropertyInfo, get)},
2338 {"set_method", G_STRUCT_OFFSET (MonoPropertyInfo, set)},
2339 {"attrs", G_STRUCT_OFFSET (MonoPropertyInfo, attrs)},
2340 {NULL, 0}
2341 };
2342
2343 static const FieldDesc
2344 monomethod_fields[] = {
2345 {"mhandle", G_STRUCT_OFFSET (MonoReflectionMethod, method)},
2346 {NULL, 0}
2347 };
2348
2349 static const FieldDesc
2350 monocmethod_fields[] = {
2351 {"mhandle", G_STRUCT_OFFSET (MonoReflectionMethod, method)},
2352 {NULL, 0}
2353 };
2354
2355 static const FieldDesc
2356 pinfo_fields[] = {
2357 {"ClassImpl", G_STRUCT_OFFSET (MonoReflectionParameter, ClassImpl)},
2358 {"DefaultValueImpl", G_STRUCT_OFFSET (MonoReflectionParameter, DefaultValueImpl)},
2359 {"MemberImpl", G_STRUCT_OFFSET (MonoReflectionParameter, MemberImpl)},
2360 {"NameImpl", G_STRUCT_OFFSET (MonoReflectionParameter, NameImpl)},
2361 {"PositionImpl", G_STRUCT_OFFSET (MonoReflectionParameter, PositionImpl)},
2362 {"AttrsImpl", G_STRUCT_OFFSET (MonoReflectionParameter, AttrsImpl)},
2363 {NULL, 0}
2364 };
2365
2366 static const ClassDesc
2367 reflection_classes_to_check [] = {
2368 {"MonoEvent", monoevent_fields},
2369 {"MonoProperty", monoproperty_fields},
2370 {"MonoField", monofield_fields},
2371 {"MonoMethodInfo", monomethodinfo_fields},
2372 {"MonoPropertyInfo", monopropertyinfo_fields},
2373 {"MonoMethod", monomethod_fields},
2374 {"MonoCMethod", monocmethod_fields},
2375 {"ParameterInfo", pinfo_fields},
2376 {NULL, NULL}
2377 };
2378
2379 static FieldDesc
2380 enuminfo_fields[] = {
2381 {"utype", G_STRUCT_OFFSET (MonoEnumInfo, utype)},
2382 {"values", G_STRUCT_OFFSET (MonoEnumInfo, values)},
2383 {"names", G_STRUCT_OFFSET (MonoEnumInfo, names)},
2384 {NULL, 0}
2385 };
2386
2387 static FieldDesc
2388 delegate_fields[] = {
2389 {"target_type", G_STRUCT_OFFSET (MonoDelegate, target_type)},
2390 {"m_target", G_STRUCT_OFFSET (MonoDelegate, target)},
2391 {"method_name", G_STRUCT_OFFSET (MonoDelegate, method_name)},
2392 {"method_ptr", G_STRUCT_OFFSET (MonoDelegate, method_ptr)},
2393 {"delegate_trampoline", G_STRUCT_OFFSET (MonoDelegate, delegate_trampoline)},
2394 {"method_info", G_STRUCT_OFFSET (MonoDelegate, method_info)},
2395 {NULL, 0}
2396 };
2397
2398 static FieldDesc
2399 multicast_delegate_fields[] = {
2400 {"prev", G_STRUCT_OFFSET (MonoMulticastDelegate, prev)},
2401 {NULL, 0}
2402 };
2403
2404 static FieldDesc
2405 async_result_fields[] = {
2406 {"async_state", G_STRUCT_OFFSET (MonoAsyncResult, async_state)},
2407 {"handle", G_STRUCT_OFFSET (MonoAsyncResult, handle)},
2408 {"async_delegate", G_STRUCT_OFFSET (MonoAsyncResult, async_delegate)},
2409 {"data", G_STRUCT_OFFSET (MonoAsyncResult, data)},
2410 {"sync_completed", G_STRUCT_OFFSET (MonoAsyncResult, sync_completed)},
2411 {"completed", G_STRUCT_OFFSET (MonoAsyncResult, completed)},
2412 {"endinvoke_called", G_STRUCT_OFFSET (MonoAsyncResult, endinvoke_called)},
2413 {"async_callback", G_STRUCT_OFFSET (MonoAsyncResult, async_callback)},
2414 {NULL, 0}
2415 };
2416
2417 static FieldDesc
2418 exception_fields[] = {
2419 {"trace_ips", G_STRUCT_OFFSET (MonoException, trace_ips)},
2420 {"inner_exception", G_STRUCT_OFFSET (MonoException, inner_ex)},
2421 {"message", G_STRUCT_OFFSET (MonoException, message)},
2422 {"help_link", G_STRUCT_OFFSET (MonoException, help_link)},
2423 {"class_name", G_STRUCT_OFFSET (MonoException, class_name)},
2424 {"stack_trace", G_STRUCT_OFFSET (MonoException, stack_trace)},
2425 {"remote_stack_trace", G_STRUCT_OFFSET (MonoException, remote_stack_trace)},
2426 {"remote_stack_index", G_STRUCT_OFFSET (MonoException, remote_stack_index)},
2427 {"hresult", G_STRUCT_OFFSET (MonoException, hresult)},
2428 {"source", G_STRUCT_OFFSET (MonoException, source)},
2429 {NULL, 0}
2430 };
2431
2432 static const ClassDesc
2433 system_classes_to_check [] = {
2434 {"Exception", exception_fields},
2435 {"MonoEnumInfo", enuminfo_fields},
2436 {"Delegate", delegate_fields},
2437 {"MulticastDelegate", multicast_delegate_fields},
2438 {NULL, NULL}
2439 };
2440
2441 static FieldDesc
2442 stack_frame_fields [] = {
2443 {"ilOffset", G_STRUCT_OFFSET (MonoStackFrame, il_offset)},
2444 {"nativeOffset", G_STRUCT_OFFSET (MonoStackFrame, native_offset)},
2445 {"methodBase", G_STRUCT_OFFSET (MonoStackFrame, method)},
2446 {"fileName", G_STRUCT_OFFSET (MonoStackFrame, filename)},
2447 {"lineNumber", G_STRUCT_OFFSET (MonoStackFrame, line)},
2448 {"columnNumber", G_STRUCT_OFFSET (MonoStackFrame, column)},
2449 {NULL, 0}
2450 };
2451
2452 static const ClassDesc
2453 system_diagnostics_classes_to_check [] = {
2454 {"StackFrame", stack_frame_fields},
2455 {NULL, NULL}
2456 };
2457
2458 static FieldDesc
2459 mono_method_message_fields[] = {
2460 {"method", G_STRUCT_OFFSET (MonoMethodMessage, method)},
2461 {"args", G_STRUCT_OFFSET (MonoMethodMessage, args)},
2462 {"names", G_STRUCT_OFFSET (MonoMethodMessage, names)},
2463 {"arg_types", G_STRUCT_OFFSET (MonoMethodMessage, arg_types)},
2464 {"ctx", G_STRUCT_OFFSET (MonoMethodMessage, ctx)},
2465 {"rval", G_STRUCT_OFFSET (MonoMethodMessage, rval)},
2466 {"exc", G_STRUCT_OFFSET (MonoMethodMessage, exc)},
2467 {NULL, 0}
2468 };
2469
2470 static const ClassDesc
2471 messaging_classes_to_check [] = {
2472 {"AsyncResult", async_result_fields},
2473 {"MonoMethodMessage", mono_method_message_fields},
2474 {NULL, NULL}
2475 };
2476
2477 static FieldDesc
2478 transparent_proxy_fields[] = {
2479 {"_rp", G_STRUCT_OFFSET (MonoTransparentProxy, rp)},
2480 {"_class", G_STRUCT_OFFSET (MonoTransparentProxy, remote_class)},
2481 {NULL, 0}
2482 };
2483
2484 static FieldDesc
2485 real_proxy_fields[] = {
2486 {"class_to_proxy", G_STRUCT_OFFSET (MonoRealProxy, class_to_proxy)},
2487 {NULL, 0}
2488 };
2489
2490 static const ClassDesc
2491 proxy_classes_to_check [] = {
2492 {"TransparentProxy", transparent_proxy_fields},
2493 {"RealProxy", real_proxy_fields},
2494 {NULL, NULL}
2495 };
2496
2497 static FieldDesc
2498 wait_handle_fields[] = {
2499 {"os_handle", G_STRUCT_OFFSET (MonoWaitHandle, handle)},
2500 {"disposed", G_STRUCT_OFFSET (MonoWaitHandle, disposed)},
2501 {NULL, 0}
2502 };
2503
2504 static FieldDesc
2505 thread_fields[] = {
2506 {"system_thread_handle", G_STRUCT_OFFSET (MonoThread, handle)},
2507 {"current_culture", G_STRUCT_OFFSET (MonoThread, culture_info)},
2508 {"threadpool_thread", G_STRUCT_OFFSET (MonoThread, threadpool_thread)},
2509 {"state", G_STRUCT_OFFSET (MonoThread, state)},
2510 {"abort_exc", G_STRUCT_OFFSET (MonoThread, abort_exc)},
2511 {"abort_state", G_STRUCT_OFFSET (MonoThread, abort_state)},
2512 {"thread_id", G_STRUCT_OFFSET (MonoThread, tid)},
2513 {NULL, 0}
2514 };
2515
2516 static const ClassDesc
2517 threading_classes_to_check [] = {
2518 {"Thread", thread_fields},
2519 {"WaitHandle", wait_handle_fields},
2520 {NULL, NULL}
2521 };
2522
2523 static const FieldDesc
2524 cinfo_fields[] = {
2525 {"datetime_format", G_STRUCT_OFFSET (MonoCultureInfo, datetime_format)},
2526 {"number_format", G_STRUCT_OFFSET (MonoCultureInfo, number_format)},
2527 {"textinfo", G_STRUCT_OFFSET (MonoCultureInfo, textinfo)},
2528 {"name", G_STRUCT_OFFSET (MonoCultureInfo, name)},
2529 {"displayname", G_STRUCT_OFFSET (MonoCultureInfo, displayname)},
2530 {"englishname", G_STRUCT_OFFSET (MonoCultureInfo, englishname)},
2531 {"nativename", G_STRUCT_OFFSET (MonoCultureInfo, nativename)},
2532 {"iso3lang", G_STRUCT_OFFSET (MonoCultureInfo, iso3lang)},
2533 {"iso2lang", G_STRUCT_OFFSET (MonoCultureInfo, iso2lang)},
2534 {"icu_name", G_STRUCT_OFFSET (MonoCultureInfo, icu_name)},
2535 {"win3lang", G_STRUCT_OFFSET (MonoCultureInfo, win3lang)},
2536 {"compareinfo", G_STRUCT_OFFSET (MonoCultureInfo, compareinfo)},
2537 {NULL, 0}
2538 };
2539
2540 static const FieldDesc
2541 dtfinfo_fields[] = {
2542 {"_AMDesignator", G_STRUCT_OFFSET (MonoDateTimeFormatInfo, AMDesignator)},
2543 {"_PMDesignator", G_STRUCT_OFFSET (MonoDateTimeFormatInfo, PMDesignator)},
2544 {"_DayNames", G_STRUCT_OFFSET (MonoDateTimeFormatInfo, DayNames)},
2545 {"_MonthNames", G_STRUCT_OFFSET (MonoDateTimeFormatInfo, MonthNames)},
2546 {NULL, 0}
2547 };
2548
2549 static const FieldDesc
2550 nfinfo_fields[] = {
2551 {"decimalFormats", G_STRUCT_OFFSET (MonoNumberFormatInfo, decimalFormats)},
2552 {"currencySymbol", G_STRUCT_OFFSET (MonoNumberFormatInfo, currencySymbol)},
2553 {"percentSymbol", G_STRUCT_OFFSET (MonoNumberFormatInfo, percentSymbol)},
2554 {"positiveSign", G_STRUCT_OFFSET (MonoNumberFormatInfo, positiveSign)},
2555 {NULL, 0}
2556 };
2557
2558 static const FieldDesc
2559 compinfo_fields[] = {
2560 {"lcid", G_STRUCT_OFFSET (MonoCompareInfo, lcid)},
2561 {"ICU_collator", G_STRUCT_OFFSET (MonoCompareInfo, ICU_collator)},
2562 {NULL, 0}
2563 };
2564
2565 static const FieldDesc
2566 sortkey_fields[] = {
2567 {"str", G_STRUCT_OFFSET (MonoSortKey, str)},
2568 {"options", G_STRUCT_OFFSET (MonoSortKey, options)},
2569 {"key", G_STRUCT_OFFSET (MonoSortKey, key)},
2570 {"lcid", G_STRUCT_OFFSET (MonoSortKey, lcid)},
2571 {NULL, 0}
2572 };
2573
2574 static const ClassDesc
2575 globalization_classes_to_check [] = {
2576 {"CultureInfo", cinfo_fields},
2577 {"DateTimeFormatInfo", dtfinfo_fields},
2578 {"NumberFormatInfo", nfinfo_fields},
2579 {"CompareInfo", compinfo_fields},
2580 {"SortKey", sortkey_fields},
2581 {NULL, NULL}
2582 };
2583
2584 typedef struct {
2585 const char *name;
2586 const ClassDesc *types;
2587 } NameSpaceDesc;
2588
2589 static const NameSpaceDesc
2590 namespaces_to_check[] = {
2591 {"System.Runtime.Remoting.Proxies", proxy_classes_to_check},
2592 {"System.Runtime.Remoting.Messaging", messaging_classes_to_check},
2593 {"System.Reflection.Emit", emit_classes_to_check},
2594 {"System.Reflection", reflection_classes_to_check},
2595 {"System.Threading", threading_classes_to_check},
2596 {"System.Diagnostics", system_diagnostics_classes_to_check},
2597 {"System", system_classes_to_check},
2598 {"System.Globalization", globalization_classes_to_check},
2599 {NULL, NULL}
2600 };
2601
2602 static char*
2603 check_corlib (MonoImage *corlib)
2604 {
2605 MonoClass *klass;
2606 MonoClassField *field;
2607 const FieldDesc *fdesc;
2608 const ClassDesc *cdesc;
2609 const NameSpaceDesc *ndesc;
2610 gint struct_offset;
2611 GString *result = NULL;
2612
2613 for (ndesc = namespaces_to_check; ndesc->name; ++ndesc) {
2614 for (cdesc = ndesc->types; cdesc->name; ++cdesc) {
2615 klass = mono_class_from_name (corlib, ndesc->name, cdesc->name);
2616 if (!klass) {
2617 if (!result)
2618 result = g_string_new ("");
2619 g_string_append_printf (result, "Cannot find class %s\n", cdesc->name);
2620 continue;
2621 }
2622 mono_class_init (klass);
2623 /*
2624 * FIXME: we should also check the size of valuetypes, or
2625 * we're going to have trouble when we access them in arrays.
2626 */
2627 if (klass->valuetype)
2628 struct_offset = sizeof (MonoObject);
2629 else
2630 struct_offset = 0;
2631 for (fdesc = cdesc->fields; fdesc->name; ++fdesc) {
2632 field = mono_class_get_field_from_name (klass, fdesc->name);
2633 if (!field || (field->offset != (fdesc->offset + struct_offset))) {
2634 if (!result)
2635 result = g_string_new ("");
2636 g_string_append_printf (result, "field `%s' mismatch in class %s (%ld + %ld != %ld)\n", fdesc->name, cdesc->name, (long) fdesc->offset, (long)struct_offset, (long) (field?field->offset:-1));
2637 }
2638 }
2639 }
2640 }
2641 if (result)
2642 return g_string_free (result, FALSE);
2643 return NULL;
2644 }
2645
2646 char*
2647 mono_verify_corlib () {
2648 return check_corlib (mono_defaults.corlib);
2649 }
2650
2651
Mirror of the official Mono project git repository