2 #include <mono/metadata/object.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/mono-endian.h>
13 * Pull the list of opcodes
15 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
19 #include "mono/cil/opcode.def"
25 mono_free_verify_list (GSList *list)
30 for (tmp = list; tmp; tmp = tmp->next) {
32 g_free (info->message);
38 #define ADD_ERROR(list,msg) \
40 MonoVerifyInfo *vinfo = g_new (MonoVerifyInfo, 1); \
41 vinfo->status = MONO_VERIFY_ERROR; \
42 vinfo->message = (msg); \
43 (list) = g_slist_prepend ((list), vinfo); \
46 #define ADD_WARN(list,code,msg) \
48 MonoVerifyInfo *vinfo = g_new (MonoVerifyInfo, 1); \
49 vinfo->status = (code); \
50 vinfo->message = (msg); \
51 (list) = g_slist_prepend ((list), vinfo); \
54 static const char* const
56 "ar-SA", "ar-IQ", "ar-EG", "ar-LY",
57 "ar-DZ", "ar-MA", "ar-TN", "ar-OM",
58 "ar-YE", "ar-SY", "ar-JO", "ar-LB",
59 "ar-KW", "ar-AE", "ar-BH", "ar-QA",
60 "bg-BG", "ca-ES", "zh-TW", "zh-CN",
61 "zh-HK", "zh-SG", "zh-MO", "cs-CZ",
62 "da-DK", "de-DE", "de-CH", "de-AT",
63 "de-LU", "de-LI", "el-GR", "en-US",
64 "en-GB", "en-AU", "en-CA", "en-NZ",
65 "en-IE", "en-ZA", "en-JM", "en-CB",
66 "en-BZ", "en-TT", "en-ZW", "en-PH",
67 "es-ES-Ts", "es-MX", "es-ES-Is", "es-GT",
68 "es-CR", "es-PA", "es-DO", "es-VE",
69 "es-CO", "es-PE", "es-AR", "es-EC",
70 "es-CL", "es-UY", "es-PY", "es-BO",
71 "es-SV", "es-HN", "es-NI", "es-PR",
72 "Fi-FI", "fr-FR", "fr-BE", "fr-CA",
73 "Fr-CH", "fr-LU", "fr-MC", "he-IL",
74 "hu-HU", "is-IS", "it-IT", "it-CH",
75 "Ja-JP", "ko-KR", "nl-NL", "nl-BE",
76 "nb-NO", "nn-NO", "pl-PL", "pt-BR",
77 "pt-PT", "ro-RO", "ru-RU", "hr-HR",
78 "Lt-sr-SP", "Cy-sr-SP", "sk-SK", "sq-AL",
79 "sv-SE", "sv-FI", "th-TH", "tr-TR",
80 "ur-PK", "id-ID", "uk-UA", "be-BY",
81 "sl-SI", "et-EE", "lv-LV", "lt-LT",
82 "fa-IR", "vi-VN", "hy-AM", "Lt-az-AZ",
84 "eu-ES", "mk-MK", "af-ZA",
85 "ka-GE", "fo-FO", "hi-IN", "ms-MY",
86 "ms-BN", "kk-KZ", "ky-KZ", "sw-KE",
87 "Lt-uz-UZ", "Cy-uz-UZ", "tt-TA", "pa-IN",
88 "gu-IN", "ta-IN", "te-IN", "kn-IN",
89 "mr-IN", "sa-IN", "mn-MN", "gl-ES",
90 "kok-IN", "syr-SY", "div-MV",
95 is_valid_culture (const char *cname)
101 for (i = 0; !found && valid_cultures [i]; ++i) {
102 if (g_strcasecmp (valid_cultures [i], cname))
109 is_valid_assembly_flags (guint32 flags) {
110 /* Metadata: 22.1.2 */
111 flags &= ~(0x8000 | 0x4000); /* ignore reserved bits 0x0030? */
112 return ((flags == 1) || (flags == 0));
116 is_valid_blob (MonoImage *image, guint32 blob_index, int notnull)
119 const char *p, *blob_end;
121 if (blob_index >= image->heap_blob.size)
123 p = mono_metadata_blob_heap (image, blob_index);
124 size = mono_metadata_decode_blob_size (p, &blob_end);
125 if (blob_index + size + (blob_end-p) > image->heap_blob.size)
127 if (notnull && !size)
133 is_valid_string (MonoImage *image, guint32 str_index, int notnull)
135 const char *p, *blob_end, *res;
137 if (str_index >= image->heap_strings.size)
139 res = p = mono_metadata_string_heap (image, str_index);
140 blob_end = mono_metadata_string_heap (image, image->heap_strings.size - 1);
144 * FIXME: should check it's a valid utf8 string, too.
146 while (p <= blob_end) {
151 return *p? NULL: res;
155 is_valid_cls_ident (const char *p)
158 * FIXME: we need the full unicode glib support for this.
159 * Check: http://www.unicode.org/unicode/reports/tr15/Identifier.java
160 * We do the lame thing for now.
166 if (!isalnum (*p) && *p != '_')
174 is_valid_filename (const char *p)
178 return strpbrk (p, "\\//:")? 0: 1;
182 verify_assembly_table (MonoImage *image, GSList *list, int level)
184 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLY];
185 guint32 cols [MONO_ASSEMBLY_SIZE];
188 if (level & MONO_VERIFY_ERROR) {
190 ADD_ERROR (list, g_strdup ("Assembly table may only have 0 or 1 rows"));
191 mono_metadata_decode_row (t, 0, cols, MONO_ASSEMBLY_SIZE);
193 switch (cols [MONO_ASSEMBLY_HASH_ALG]) {
194 case ASSEMBLY_HASH_NONE:
195 case ASSEMBLY_HASH_MD5:
196 case ASSEMBLY_HASH_SHA1:
199 ADD_ERROR (list, g_strdup_printf ("Hash algorithm 0x%x unknown", cols [MONO_ASSEMBLY_HASH_ALG]));
202 if (!is_valid_assembly_flags (cols [MONO_ASSEMBLY_FLAGS]))
203 ADD_ERROR (list, g_strdup_printf ("Invalid flags in assembly: 0x%x", cols [MONO_ASSEMBLY_FLAGS]));
205 if (!is_valid_blob (image, cols [MONO_ASSEMBLY_PUBLIC_KEY], FALSE))
206 ADD_ERROR (list, g_strdup ("Assembly public key is an invalid index"));
208 if (!(p = is_valid_string (image, cols [MONO_ASSEMBLY_NAME], TRUE))) {
209 ADD_ERROR (list, g_strdup ("Assembly name is invalid"));
211 if (strpbrk (p, ":\\/."))
212 ADD_ERROR (list, g_strdup_printf ("Assembly name `%s' contains invalid chars", p));
215 if (!(p = is_valid_string (image, cols [MONO_ASSEMBLY_CULTURE], FALSE))) {
216 ADD_ERROR (list, g_strdup ("Assembly culture is an invalid index"));
218 if (!is_valid_culture (p))
219 ADD_ERROR (list, g_strdup_printf ("Assembly culture `%s' is invalid", p));
226 verify_assemblyref_table (MonoImage *image, GSList *list, int level)
228 MonoTableInfo *t = &image->tables [MONO_TABLE_ASSEMBLYREF];
229 guint32 cols [MONO_ASSEMBLYREF_SIZE];
233 if (level & MONO_VERIFY_ERROR) {
234 for (i = 0; i < t->rows; ++i) {
235 mono_metadata_decode_row (t, i, cols, MONO_ASSEMBLYREF_SIZE);
236 if (!is_valid_assembly_flags (cols [MONO_ASSEMBLYREF_FLAGS]))
237 ADD_ERROR (list, g_strdup_printf ("Invalid flags in assemblyref row %d: 0x%x", i + 1, cols [MONO_ASSEMBLY_FLAGS]));
239 if (!is_valid_blob (image, cols [MONO_ASSEMBLYREF_PUBLIC_KEY], FALSE))
240 ADD_ERROR (list, g_strdup_printf ("AssemblyRef public key in row %d is an invalid index", i + 1));
242 if (!(p = is_valid_string (image, cols [MONO_ASSEMBLYREF_CULTURE], FALSE))) {
243 ADD_ERROR (list, g_strdup_printf ("AssemblyRef culture in row %d is invalid", i + 1));
245 if (!is_valid_culture (p))
246 ADD_ERROR (list, g_strdup_printf ("AssemblyRef culture `%s' in row %d is invalid", p, i + 1));
249 if (cols [MONO_ASSEMBLYREF_HASH_VALUE] && !is_valid_blob (image, cols [MONO_ASSEMBLYREF_HASH_VALUE], TRUE))
250 ADD_ERROR (list, g_strdup_printf ("AssemblyRef hash value in row %d is invalid or not null and empty", i + 1));
253 if (level & MONO_VERIFY_WARNING) {
254 /* check for duplicated rows */
255 for (i = 0; i < t->rows; ++i) {
262 verify_class_layout_table (MonoImage *image, GSList *list, int level)
264 MonoTableInfo *t = &image->tables [MONO_TABLE_CLASSLAYOUT];
265 MonoTableInfo *tdef = &image->tables [MONO_TABLE_TYPEDEF];
266 guint32 cols [MONO_CLASS_LAYOUT_SIZE];
269 if (level & MONO_VERIFY_ERROR) {
270 for (i = 0; i < t->rows; ++i) {
271 mono_metadata_decode_row (t, i, cols, MONO_CLASS_LAYOUT_SIZE);
273 if (cols [MONO_CLASS_LAYOUT_PARENT] > tdef->rows || !cols [MONO_CLASS_LAYOUT_PARENT]) {
274 ADD_ERROR (list, g_strdup_printf ("Parent in class layout is invalid in row %d", i + 1));
276 value = mono_metadata_decode_row_col (tdef, cols [MONO_CLASS_LAYOUT_PARENT] - 1, MONO_TYPEDEF_FLAGS);
277 if (value & TYPE_ATTRIBUTE_INTERFACE)
278 ADD_ERROR (list, g_strdup_printf ("Parent in class layout row %d is an interface", i + 1));
279 if (value & TYPE_ATTRIBUTE_AUTO_LAYOUT)
280 ADD_ERROR (list, g_strdup_printf ("Parent in class layout row %d is AutoLayout", i + 1));
281 if (value & TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT) {
282 switch (cols [MONO_CLASS_LAYOUT_PACKING_SIZE]) {
283 case 0: case 1: case 2: case 4: case 8: case 16:
284 case 32: case 64: case 128: break;
286 ADD_ERROR (list, g_strdup_printf ("Packing size %d in class layout row %d is invalid", cols [MONO_CLASS_LAYOUT_PACKING_SIZE], i + 1));
288 } else if (value & TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
290 * FIXME: LAMESPEC: it claims it must be 0 (it's 1, instead).
291 if (cols [MONO_CLASS_LAYOUT_PACKING_SIZE])
292 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));
296 * FIXME: we need to check that if class size != 0,
297 * it needs to be greater than the class calculated size.
298 * If parent is a valuetype it also needs to be smaller than
299 * 1 MByte (0x100000 bytes).
300 * To do both these checks we need to load the referenced
301 * assemblies, though (the spec claims we didn't have to, bah).
304 * We need to check that the parent types have the samme layout
315 verify_constant_table (MonoImage *image, GSList *list, int level)
317 MonoTableInfo *t = &image->tables [MONO_TABLE_CONSTANT];
318 guint32 cols [MONO_CONSTANT_SIZE];
320 GHashTable *dups = g_hash_table_new (g_direct_hash, g_direct_equal);
322 for (i = 0; i < t->rows; ++i) {
323 mono_metadata_decode_row (t, i, cols, MONO_CONSTANT_SIZE);
325 if (level & MONO_VERIFY_ERROR)
326 if (g_hash_table_lookup (dups, GUINT_TO_POINTER (cols [MONO_CONSTANT_PARENT])))
327 ADD_ERROR (list, g_strdup_printf ("Parent 0x%08x is duplicated in Constant row %d", cols [MONO_CONSTANT_PARENT], i + 1));
328 g_hash_table_insert (dups, GUINT_TO_POINTER (cols [MONO_CONSTANT_PARENT]),
329 GUINT_TO_POINTER (cols [MONO_CONSTANT_PARENT]));
331 switch (cols [MONO_CONSTANT_TYPE]) {
332 case MONO_TYPE_U1: /* LAMESPEC: it says I1...*/
336 if (level & MONO_VERIFY_CLS)
337 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));
338 case MONO_TYPE_BOOLEAN:
346 case MONO_TYPE_STRING:
347 case MONO_TYPE_CLASS:
350 if (level & MONO_VERIFY_ERROR)
351 ADD_ERROR (list, g_strdup_printf ("Type 0x%x is invalid in Constant row %d", cols [MONO_CONSTANT_TYPE], i + 1));
353 if (level & MONO_VERIFY_ERROR) {
354 value = cols [MONO_CONSTANT_PARENT] >> HASCONSTANT_BITS;
355 switch (cols [MONO_CONSTANT_PARENT] & HASCONSTANT_MASK) {
356 case HASCONSTANT_FIEDDEF:
357 if (value > image->tables [MONO_TABLE_FIELD].rows)
358 ADD_ERROR (list, g_strdup_printf ("Parent (field) is invalid in Constant row %d", i + 1));
360 case HASCONSTANT_PARAM:
361 if (value > image->tables [MONO_TABLE_PARAM].rows)
362 ADD_ERROR (list, g_strdup_printf ("Parent (param) is invalid in Constant row %d", i + 1));
364 case HASCONSTANT_PROPERTY:
365 if (value > image->tables [MONO_TABLE_PROPERTY].rows)
366 ADD_ERROR (list, g_strdup_printf ("Parent (property) is invalid in Constant row %d", i + 1));
369 ADD_ERROR (list, g_strdup_printf ("Parent is invalid in Constant row %d", i + 1));
373 if (level & MONO_VERIFY_CLS) {
375 * FIXME: verify types is consistent with the enum type
376 * is parent is an enum.
380 g_hash_table_destroy (dups);
385 verify_event_map_table (MonoImage *image, GSList *list, int level)
387 MonoTableInfo *t = &image->tables [MONO_TABLE_EVENTMAP];
388 guint32 cols [MONO_EVENT_MAP_SIZE];
389 guint32 i, last_event;
390 GHashTable *dups = g_hash_table_new (g_direct_hash, g_direct_equal);
394 for (i = 0; i < t->rows; ++i) {
395 mono_metadata_decode_row (t, i, cols, MONO_EVENT_MAP_SIZE);
396 if (level & MONO_VERIFY_ERROR)
397 if (g_hash_table_lookup (dups, GUINT_TO_POINTER (cols [MONO_EVENT_MAP_PARENT])))
398 ADD_ERROR (list, g_strdup_printf ("Parent 0x%08x is duplicated in Event Map row %d", cols [MONO_EVENT_MAP_PARENT], i + 1));
399 g_hash_table_insert (dups, GUINT_TO_POINTER (cols [MONO_EVENT_MAP_PARENT]),
400 GUINT_TO_POINTER (cols [MONO_EVENT_MAP_PARENT]));
401 if (level & MONO_VERIFY_ERROR) {
402 if (cols [MONO_EVENT_MAP_PARENT] > image->tables [MONO_TABLE_TYPEDEF].rows)
403 ADD_ERROR (list, g_strdup_printf ("Parent 0x%08x is invalid in Event Map row %d", cols [MONO_EVENT_MAP_PARENT], i + 1));
404 if (cols [MONO_EVENT_MAP_EVENTLIST] > image->tables [MONO_TABLE_EVENT].rows)
405 ADD_ERROR (list, g_strdup_printf ("EventList 0x%08x is invalid in Event Map row %d", cols [MONO_EVENT_MAP_EVENTLIST], i + 1));
407 if (cols [MONO_EVENT_MAP_EVENTLIST] <= last_event)
408 ADD_ERROR (list, g_strdup_printf ("EventList overlap in Event Map row %d", i + 1));
409 last_event = cols [MONO_EVENT_MAP_EVENTLIST];
413 g_hash_table_destroy (dups);
418 verify_event_table (MonoImage *image, GSList *list, int level)
420 MonoTableInfo *t = &image->tables [MONO_TABLE_EVENT];
421 guint32 cols [MONO_EVENT_SIZE];
425 for (i = 0; i < t->rows; ++i) {
426 mono_metadata_decode_row (t, i, cols, MONO_EVENT_SIZE);
428 if (cols [MONO_EVENT_FLAGS] & ~(EVENT_SPECIALNAME|EVENT_RTSPECIALNAME)) {
429 if (level & MONO_VERIFY_ERROR)
430 ADD_ERROR (list, g_strdup_printf ("Flags 0x%04x invalid in Event row %d", cols [MONO_EVENT_FLAGS], i + 1));
432 if (!(p = is_valid_string (image, cols [MONO_EVENT_NAME], TRUE))) {
433 if (level & MONO_VERIFY_ERROR)
434 ADD_ERROR (list, g_strdup_printf ("Invalid name in Event row %d", i + 1));
436 if (level & MONO_VERIFY_CLS) {
437 if (!is_valid_cls_ident (p))
438 ADD_WARN (list, MONO_VERIFY_CLS, g_strdup_printf ("Invalid CLS name '%s` in Event row %d", p, i + 1));
442 if (level & MONO_VERIFY_ERROR && cols [MONO_EVENT_TYPE]) {
443 value = cols [MONO_EVENT_TYPE] >> TYPEDEFORREF_BITS;
444 switch (cols [MONO_EVENT_TYPE] & TYPEDEFORREF_MASK) {
445 case TYPEDEFORREF_TYPEDEF:
446 if (!value || value > image->tables [MONO_TABLE_TYPEDEF].rows)
447 ADD_ERROR (list, g_strdup_printf ("Type invalid in Event row %d", i + 1));
449 case TYPEDEFORREF_TYPEREF:
450 if (!value || value > image->tables [MONO_TABLE_TYPEREF].rows)
451 ADD_ERROR (list, g_strdup_printf ("Type invalid in Event row %d", i + 1));
453 case TYPEDEFORREF_TYPESPEC:
454 if (!value || value > image->tables [MONO_TABLE_TYPESPEC].rows)
455 ADD_ERROR (list, g_strdup_printf ("Type invalid in Event row %d", i + 1));
458 ADD_ERROR (list, g_strdup_printf ("Type invalid in Event row %d", i + 1));
462 * FIXME: check that there is 1 add and remove row in methodsemantics
463 * and 0 or 1 raise and 0 or more other (maybe it's better to check for
464 * these while checking methodsemantics).
465 * check for duplicated names for the same type [ERROR]
466 * check for CLS duplicate names for the same type [CLS]
473 verify_field_table (MonoImage *image, GSList *list, int level)
475 MonoTableInfo *t = &image->tables [MONO_TABLE_FIELD];
476 guint32 cols [MONO_FIELD_SIZE];
480 for (i = 0; i < t->rows; ++i) {
481 mono_metadata_decode_row (t, i, cols, MONO_FIELD_SIZE);
483 * Check this field has only one owner and that the owner is not
484 * an interface (done in verify_typedef_table() )
486 flags = cols [MONO_FIELD_FLAGS];
487 switch (flags & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK) {
488 case FIELD_ATTRIBUTE_COMPILER_CONTROLLED:
489 case FIELD_ATTRIBUTE_PRIVATE:
490 case FIELD_ATTRIBUTE_FAM_AND_ASSEM:
491 case FIELD_ATTRIBUTE_ASSEMBLY:
492 case FIELD_ATTRIBUTE_FAMILY:
493 case FIELD_ATTRIBUTE_FAM_OR_ASSEM:
494 case FIELD_ATTRIBUTE_PUBLIC:
497 if (level & MONO_VERIFY_ERROR)
498 ADD_ERROR (list, g_strdup_printf ("Invalid access mask in Field row %d", i + 1));
501 if (level & MONO_VERIFY_ERROR) {
502 if ((flags & FIELD_ATTRIBUTE_LITERAL) && (flags & FIELD_ATTRIBUTE_INIT_ONLY))
503 ADD_ERROR (list, g_strdup_printf ("Literal and InitOnly cannot be both set in Field row %d", i + 1));
504 if ((flags & FIELD_ATTRIBUTE_LITERAL) && !(flags & FIELD_ATTRIBUTE_STATIC))
505 ADD_ERROR (list, g_strdup_printf ("Literal needs also Static set in Field row %d", i + 1));
506 if ((flags & FIELD_ATTRIBUTE_RT_SPECIAL_NAME) && !(flags & FIELD_ATTRIBUTE_SPECIAL_NAME))
507 ADD_ERROR (list, g_strdup_printf ("RTSpecialName needs also SpecialName set in Field row %d", i + 1));
509 * FIXME: check there is only ono owner in the respective table.
510 * if (flags & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
511 * if (flags & FIELD_ATTRIBUTE_HAS_DEFAULT)
512 * if (flags & FIELD_ATTRIBUTE_HAS_FIELD_RVA)
515 if (!(p = is_valid_string (image, cols [MONO_FIELD_NAME], TRUE))) {
516 if (level & MONO_VERIFY_ERROR)
517 ADD_ERROR (list, g_strdup_printf ("Invalid name in Field row %d", i + 1));
519 if (level & MONO_VERIFY_CLS) {
520 if (!is_valid_cls_ident (p))
521 ADD_WARN (list, MONO_VERIFY_CLS, g_strdup_printf ("Invalid CLS name '%s` in Field row %d", p, i + 1));
526 * if owner is module needs to be static, access mask needs to be compilercontrolled,
527 * public or private (not allowed in cls mode).
528 * if owner is an enum ...
537 verify_file_table (MonoImage *image, GSList *list, int level)
539 MonoTableInfo *t = &image->tables [MONO_TABLE_FILE];
540 guint32 cols [MONO_FILE_SIZE];
543 GHashTable *dups = g_hash_table_new (g_str_hash, g_str_equal);
545 for (i = 0; i < t->rows; ++i) {
546 mono_metadata_decode_row (t, i, cols, MONO_FILE_SIZE);
547 if (level & MONO_VERIFY_ERROR) {
548 if (cols [MONO_FILE_FLAGS] != FILE_CONTAINS_METADATA && cols [MONO_FILE_FLAGS] != FILE_CONTAINS_NO_METADATA)
549 ADD_ERROR (list, g_strdup_printf ("Invalid flags in File row %d", i + 1));
550 if (!is_valid_blob (image, cols [MONO_FILE_HASH_VALUE], TRUE))
551 ADD_ERROR (list, g_strdup_printf ("File hash value in row %d is invalid or not null and empty", i + 1));
553 if (!(p = is_valid_string (image, cols [MONO_FILE_NAME], TRUE))) {
554 if (level & MONO_VERIFY_ERROR)
555 ADD_ERROR (list, g_strdup_printf ("Invalid name in File row %d", i + 1));
557 if (level & MONO_VERIFY_ERROR) {
558 if (!is_valid_filename (p))
559 ADD_ERROR (list, g_strdup_printf ("Invalid name '%s` in File row %d", p, i + 1));
560 else if (g_hash_table_lookup (dups, p)) {
561 ADD_ERROR (list, g_strdup_printf ("Duplicate name '%s` in File row %d", p, i + 1));
563 g_hash_table_insert (dups, (gpointer)p, (gpointer)p);
567 * FIXME: I don't understand what this means:
568 * If this module contains a row in the Assembly table (that is, if this module "holds the manifest")
569 * then there shall not be any row in the File table for this module - i.e., no self-reference [ERROR]
573 if (level & MONO_VERIFY_WARNING) {
574 if (!t->rows && image->tables [MONO_TABLE_EXPORTEDTYPE].rows)
575 ADD_WARN (list, MONO_VERIFY_WARNING, g_strdup ("ExportedType table should be empty if File table is empty"));
577 g_hash_table_destroy (dups);
582 verify_moduleref_table (MonoImage *image, GSList *list, int level)
584 MonoTableInfo *t = &image->tables [MONO_TABLE_MODULEREF];
585 MonoTableInfo *tfile = &image->tables [MONO_TABLE_FILE];
586 guint32 cols [MONO_MODULEREF_SIZE];
588 guint32 found, i, j, value;
589 GHashTable *dups = g_hash_table_new (g_str_hash, g_str_equal);
591 for (i = 0; i < t->rows; ++i) {
592 mono_metadata_decode_row (t, i, cols, MONO_MODULEREF_SIZE);
593 if (!(p = is_valid_string (image, cols [MONO_MODULEREF_NAME], TRUE))) {
594 if (level & MONO_VERIFY_ERROR)
595 ADD_ERROR (list, g_strdup_printf ("Invalid name in ModuleRef row %d", i + 1));
597 if (level & MONO_VERIFY_ERROR) {
598 if (!is_valid_filename (p))
599 ADD_ERROR (list, g_strdup_printf ("Invalid name '%s` in ModuleRef row %d", p, i + 1));
600 else if (g_hash_table_lookup (dups, p)) {
601 ADD_WARN (list, MONO_VERIFY_WARNING, g_strdup_printf ("Duplicate name '%s` in ModuleRef row %d", p, i + 1));
602 g_hash_table_insert (dups, (gpointer)p, (gpointer)p);
604 for (j = 0; j < tfile->rows; ++j) {
605 value = mono_metadata_decode_row_col (tfile, j, MONO_FILE_NAME);
606 if ((pf = is_valid_string (image, value, TRUE)))
607 if (strcmp (p, pf) == 0) {
613 ADD_ERROR (list, g_strdup_printf ("Name '%s` in ModuleRef row %d doesn't have a match in File table", p, i + 1));
618 g_hash_table_destroy (dups);
623 verify_standalonesig_table (MonoImage *image, GSList *list, int level)
625 MonoTableInfo *t = &image->tables [MONO_TABLE_STANDALONESIG];
626 guint32 cols [MONO_STAND_ALONE_SIGNATURE_SIZE];
630 for (i = 0; i < t->rows; ++i) {
631 mono_metadata_decode_row (t, i, cols, MONO_STAND_ALONE_SIGNATURE_SIZE);
632 if (level & MONO_VERIFY_ERROR) {
633 if (!is_valid_blob (image, cols [MONO_STAND_ALONE_SIGNATURE], TRUE)) {
634 ADD_ERROR (list, g_strdup_printf ("Signature is invalid in StandAloneSig row %d", i + 1));
636 p = mono_metadata_blob_heap (image, cols [MONO_STAND_ALONE_SIGNATURE]);
637 /* FIXME: check it's a valid locals or method sig.*/
645 mono_image_verify_tables (MonoImage *image, int level)
647 GSList *error_list = NULL;
649 error_list = verify_assembly_table (image, error_list, level);
651 * AssemblyOS, AssemblyProcessor, AssemblyRefOs and
652 * AssemblyRefProcessor should be ignored,
653 * though we may want to emit a warning, since it should not
654 * be present in a PE file.
656 error_list = verify_assemblyref_table (image, error_list, level);
657 error_list = verify_class_layout_table (image, error_list, level);
658 error_list = verify_constant_table (image, error_list, level);
660 * cutom attribute, declsecurity
662 error_list = verify_event_map_table (image, error_list, level);
663 error_list = verify_event_table (image, error_list, level);
664 error_list = verify_field_table (image, error_list, level);
665 error_list = verify_file_table (image, error_list, level);
666 error_list = verify_moduleref_table (image, error_list, level);
667 error_list = verify_standalonesig_table (image, error_list, level);
669 return g_slist_reverse (error_list);
673 TYPE_INVALID = 0, /* leave at 0. */
683 const static unsigned char
684 valid_binops [TYPE_MAX] [TYPE_MAX] = {
686 {TYPE_INVALID, TYPE_INT32, TYPE_INVALID, TYPE_NINT, TYPE_INVALID, TYPE_MANP},
687 {TYPE_INVALID, TYPE_INVALID, TYPE_INT64, TYPE_INVALID},
688 {TYPE_INVALID, TYPE_NINT, TYPE_INVALID, TYPE_NINT, TYPE_INVALID, TYPE_MANP},
689 {TYPE_INVALID, TYPE_INVALID, TYPE_INVALID, TYPE_INVALID, TYPE_FLOAT},
690 {TYPE_INVALID, TYPE_MANP, TYPE_INVALID, TYPE_MANP, TYPE_INVALID, TYPE_NINT},
692 /* int32 */ /* int64 */ /* native */ /* float */ /* managed p */ /* objref */
695 const static unsigned char
696 valid_unnops [TYPE_MAX] = {
697 TYPE_INVALID, TYPE_INT32, TYPE_INT64, TYPE_NINT, TYPE_FLOAT, TYPE_INVALID
698 /* int32 */ /* int64 */ /* native */ /* float */ /* managed p */ /* objref */
701 /* note: the resulting type is always a boolean */
702 const static unsigned char
703 valid_bincomp [TYPE_MAX] [TYPE_MAX] = {
705 {TYPE_INVALID, TYPE_INT32, TYPE_INVALID, TYPE_INT32, TYPE_INVALID},
706 {TYPE_INVALID, TYPE_INVALID, TYPE_INT32, TYPE_INVALID},
707 {TYPE_INVALID, TYPE_INT32, TYPE_INVALID, TYPE_INT32, TYPE_INVALID, TYPE_INT32},
708 {TYPE_INVALID, TYPE_INVALID, TYPE_INVALID, TYPE_INVALID, TYPE_INT32},
709 {TYPE_INVALID, TYPE_INVALID, TYPE_INVALID, TYPE_INT32, TYPE_INVALID, TYPE_INT32},
710 {TYPE_INVALID, TYPE_INVALID, TYPE_INVALID, TYPE_INVALID, TYPE_INVALID, TYPE_INVALID, TYPE_INT32}
711 /* int32 */ /* int64 */ /* native */ /* float */ /* managed p */ /* objref */
714 const static unsigned char
715 valid_intops [TYPE_MAX] [TYPE_MAX] = {
717 {TYPE_INVALID, TYPE_INT32, TYPE_INVALID, TYPE_NINT},
718 {TYPE_INVALID, TYPE_INVALID, TYPE_INT64},
719 {TYPE_INVALID, TYPE_NINT, TYPE_INVALID, TYPE_NINT},
723 const static unsigned char
724 valid_shiftops [TYPE_MAX] [TYPE_MAX] = {
726 {TYPE_INVALID, TYPE_INT32, TYPE_INVALID, TYPE_INT32},
727 {TYPE_INVALID, TYPE_INT64, TYPE_INVALID, TYPE_INT64},
728 {TYPE_INVALID, TYPE_NINT, TYPE_INVALID, TYPE_NINT},
732 #define ADD_INVALID(list,msg) \
734 MonoVerifyInfo *vinfo = g_new (MonoVerifyInfo, 1); \
735 vinfo->status = MONO_VERIFY_ERROR; \
736 vinfo->message = (msg); \
737 (list) = g_slist_prepend ((list), vinfo); \
742 #define CHECK_STACK_UNDERFLOW(num) \
744 if (cur_stack < (num)) \
745 ADD_INVALID (list, g_strdup_printf ("Stack underflow at 0x%04x", ip_offset)); \
748 #define CHECK_STACK_OVERFLOW() \
750 if (cur_stack >= max_stack) \
751 ADD_INVALID (list, g_strdup_printf ("Maxstack exceeded at 0x%04x", ip_offset)); \
755 PREFIX_UNALIGNED = 1,
758 PREFIX_ADDR_MASK = 3,
778 in_any_block (MonoMethodHeader *header, guint offset)
781 MonoExceptionClause *clause;
783 for (i = 0; i < header->num_clauses; ++i) {
784 clause = &header->clauses [i];
785 if (MONO_OFFSET_IN_CLAUSE (clause, offset))
787 if (MONO_OFFSET_IN_HANDLER (clause, offset))
789 /* need to check filter ... */
795 in_same_block (MonoMethodHeader *header, guint offset, guint target)
798 MonoExceptionClause *clause;
800 for (i = 0; i < header->num_clauses; ++i) {
801 clause = &header->clauses [i];
802 if (MONO_OFFSET_IN_CLAUSE (clause, offset) && !MONO_OFFSET_IN_CLAUSE (clause, target))
804 if (MONO_OFFSET_IN_HANDLER (clause, offset) && !MONO_OFFSET_IN_HANDLER (clause, target))
806 /* need to check filter ... */
812 * A leave can't escape a finally block
815 is_correct_leave (MonoMethodHeader *header, guint offset, guint target)
818 MonoExceptionClause *clause;
820 for (i = 0; i < header->num_clauses; ++i) {
821 clause = &header->clauses [i];
822 if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY && MONO_OFFSET_IN_HANDLER (clause, offset) && !MONO_OFFSET_IN_HANDLER (clause, target))
824 /* need to check filter ... */
830 can_merge_stack (ILCodeDesc *a, ILCodeDesc *b)
832 if (!b->flags & CODE_SEEN) {
833 b->flags |= CODE_SEEN;
834 b->stack_count = a->stack_count;
838 if (a->stack_count != b->stack_count)
845 * FIXME: need to distinguish between valid and verifiable.
846 * Need to keep track of types on the stack.
847 * Verify types for opcodes.
850 mono_method_verify (MonoMethod *method, int level)
852 MonoMethodHeader *header;
853 MonoMethodSignature *signature, *csig;
856 register const unsigned char *ip;
857 register const unsigned char *end;
858 const unsigned char *target; /* branch target */
859 int max_args, max_stack, cur_stack, i, n, need_merge, start;
860 guint32 token, ip_offset;
861 char *local_state = NULL;
866 signature = method->signature;
867 header = ((MonoMethodNormal *)method)->header;
869 end = ip + header->code_size;
870 max_args = method->signature->param_count + method->signature->hasthis;
871 max_stack = header->max_stack;
872 need_merge = cur_stack = 0;
874 image = method->klass->image;
875 code = g_new0 (ILCodeDesc, header->code_size);
877 if (header->num_locals) {
878 local_state = g_new (char, header->num_locals);
879 memset (local_state, header->init_locals, header->num_locals);
881 g_print ("Method %s.%s::%s\n", method->klass->name_space, method->klass->name, method->name);
884 ip_offset = ip - header->code;
885 g_print ("IL_%04x: %02x %s\n", ip_offset, *ip, mono_opcode_names [*ip]);
886 if (start || !(code [ip_offset].flags & CODE_SEEN)) {
888 code [ip_offset].stack_count = 0;
891 code [ip_offset].stack_count = cur_stack;
893 code [ip_offset].flags |= CODE_SEEN;
896 if (code [ip_offset].stack_count != cur_stack)
897 ADD_INVALID (list, g_strdup_printf ("Cannot merge stack states at 0x%04x", ip_offset));
900 if (!can_merge_stack (&code [ip_offset], &code [target - header->code]))
901 ADD_INVALID (list, g_strdup_printf ("Cannot merge stack states at 0x%04x", ip_offset));
914 if (*ip - CEE_LDARG_0 >= max_args)
915 ADD_INVALID (list, g_strdup_printf ("Method doesn't have argument %d at 0x%04x", *ip - CEE_LDARG_0, ip_offset));
916 CHECK_STACK_OVERFLOW ();
924 if (*ip - CEE_LDLOC_0 >= header->num_locals)
925 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", *ip - CEE_LDLOC_0, ip_offset));
926 if (!local_state [*ip - CEE_LDLOC_0])
927 ADD_INVALID (list, g_strdup_printf ("Local var %d is initialized at 0x%04x", *ip - CEE_LDLOC_0, ip_offset));
928 CHECK_STACK_OVERFLOW ();
936 if (*ip - CEE_STLOC_0 >= header->num_locals)
937 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", *ip - CEE_STLOC_0, ip_offset));
938 local_state [*ip - CEE_STLOC_0] = 1;
939 CHECK_STACK_UNDERFLOW (1);
945 if (ip [1] >= max_args)
946 ADD_INVALID (list, g_strdup_printf ("Method doesn't have argument %d at 0x%04x", ip [1], ip_offset));
947 CHECK_STACK_OVERFLOW ();
952 if (ip [1] >= max_args)
953 ADD_INVALID (list, g_strdup_printf ("Method doesn't have argument %d at 0x%04x", ip [1], ip_offset));
954 CHECK_STACK_UNDERFLOW (1);
960 if (ip [1] >= header->num_locals)
961 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", ip [1], ip_offset));
962 /* no need to check if the var is initialized if the address is taken */
963 if (*ip == CEE_LDLOC_S && !local_state [ip [1]])
964 ADD_INVALID (list, g_strdup_printf ("Local var %d is initialized at 0x%04x", ip [1], ip_offset));
965 CHECK_STACK_OVERFLOW ();
970 if (ip [1] >= header->num_locals)
971 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", ip [1], ip_offset));
972 local_state [ip [1]] = 1;
973 CHECK_STACK_UNDERFLOW (1);
978 CHECK_STACK_OVERFLOW ();
992 CHECK_STACK_OVERFLOW ();
997 CHECK_STACK_OVERFLOW ();
1002 CHECK_STACK_OVERFLOW ();
1007 CHECK_STACK_OVERFLOW ();
1012 CHECK_STACK_OVERFLOW ();
1017 CHECK_STACK_OVERFLOW ();
1021 case CEE_UNUSED99: ++ip; break; /* warn/error instead? */
1023 CHECK_STACK_UNDERFLOW (1);
1024 CHECK_STACK_OVERFLOW ();
1029 CHECK_STACK_UNDERFLOW (1);
1035 ADD_INVALID (list, g_strdup_printf ("Eval stack must be empty in jmp at 0x%04x", ip_offset));
1036 token = read32 (ip + 1);
1037 if (in_any_block (header, ip_offset))
1038 ADD_INVALID (list, g_strdup_printf ("jmp cannot escape exception blocks at 0x%04x", ip_offset));
1040 * FIXME: check signature, retval, arguments etc.
1046 token = read32 (ip + 1);
1048 * FIXME: we could just load the signature ...
1050 cmethod = mono_get_method (image, token, NULL);
1052 ADD_INVALID (list, g_strdup_printf ("Method 0x%08x not found at 0x%04x", token, ip_offset));
1053 csig = cmethod->signature;
1054 CHECK_STACK_UNDERFLOW (csig->param_count + csig->hasthis);
1055 cur_stack -= csig->param_count + csig->hasthis;
1056 if (csig->ret->type != MONO_TYPE_VOID) {
1057 CHECK_STACK_OVERFLOW ();
1063 token = read32 (ip + 1);
1065 * FIXME: check signature, retval, arguments etc.
1070 if (signature->ret->type != MONO_TYPE_VOID) {
1072 ADD_INVALID (list, g_strdup_printf ("Stack not empty after ret at 0x%04x", ip_offset));
1076 ADD_INVALID (list, g_strdup_printf ("Stack not empty after ret at 0x%04x", ip_offset));
1079 if (in_any_block (header, ip_offset))
1080 ADD_INVALID (list, g_strdup_printf ("ret cannot escape exception blocks at 0x%04x", ip_offset));
1084 target = ip + (signed char)ip [1] + 2;
1085 if (target >= end || target < header->code)
1086 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1087 if (!in_same_block (header, ip_offset, target - header->code))
1088 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1094 target = ip + (signed char)ip [1] + 2;
1095 if (target >= end || target < header->code)
1096 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1097 if (!in_same_block (header, ip_offset, target - header->code))
1098 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1099 CHECK_STACK_UNDERFLOW (1);
1114 target = ip + (signed char)ip [1] + 2;
1115 if (target >= end || target < header->code)
1116 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1117 if (!in_same_block (header, ip_offset, target - header->code))
1118 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1119 CHECK_STACK_UNDERFLOW (2);
1125 target = ip + (gint32)read32 (ip + 1) + 5;
1126 if (target >= end || target < header->code)
1127 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1128 if (!in_same_block (header, ip_offset, target - header->code))
1129 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1135 target = ip + (gint32)read32 (ip + 1) + 5;
1136 if (target >= end || target < header->code)
1137 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1138 if (!in_same_block (header, ip_offset, target - header->code))
1139 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1140 CHECK_STACK_UNDERFLOW (1);
1155 target = ip + (gint32)read32 (ip + 1) + 5;
1156 if (target >= end || target < header->code)
1157 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1158 if (!in_same_block (header, ip_offset, target - header->code))
1159 ADD_INVALID (list, g_strdup_printf ("Branch target escapes out of exception block at 0x%04x", ip_offset));
1160 CHECK_STACK_UNDERFLOW (2);
1166 n = read32 (ip + 1);
1167 target = ip + sizeof (guint32) * n;
1168 /* FIXME: check that ip is in range (and within the same exception block) */
1169 for (i = 0; i < n; ++i)
1170 if (target + (gint32) read32 (ip + 5 + i * sizeof (gint32)) >= end || target + (gint32) read32 (ip + 5 + i * sizeof (gint32)) < header->code)
1171 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1172 CHECK_STACK_UNDERFLOW (1);
1174 ip += 5 + sizeof (guint32) * n;
1187 CHECK_STACK_UNDERFLOW (1);
1197 CHECK_STACK_UNDERFLOW (2);
1214 CHECK_STACK_UNDERFLOW (2);
1228 CHECK_STACK_UNDERFLOW (1);
1232 token = read32 (ip + 1);
1233 CHECK_STACK_UNDERFLOW (2);
1238 token = read32 (ip + 1);
1239 CHECK_STACK_UNDERFLOW (1);
1243 token = read32 (ip + 1);
1244 CHECK_STACK_OVERFLOW ();
1249 token = read32 (ip + 1);
1251 * FIXME: we could just load the signature ...
1253 cmethod = mono_get_method (image, token, NULL);
1255 ADD_INVALID (list, g_strdup_printf ("Constructor 0x%08x not found at 0x%04x", token, ip_offset));
1256 csig = cmethod->signature;
1257 CHECK_STACK_UNDERFLOW (csig->param_count);
1258 cur_stack -= csig->param_count;
1259 CHECK_STACK_OVERFLOW ();
1265 token = read32 (ip + 1);
1266 CHECK_STACK_UNDERFLOW (1);
1270 CHECK_STACK_UNDERFLOW (1);
1275 ++ip; /* warn, error ? */
1278 token = read32 (ip + 1);
1279 CHECK_STACK_UNDERFLOW (1);
1283 CHECK_STACK_UNDERFLOW (1);
1288 CHECK_STACK_UNDERFLOW (1);
1289 token = read32 (ip + 1);
1293 CHECK_STACK_UNDERFLOW (1);
1294 token = read32 (ip + 1);
1298 CHECK_STACK_UNDERFLOW (2);
1300 token = read32 (ip + 1);
1304 CHECK_STACK_OVERFLOW ();
1305 token = read32 (ip + 1);
1310 CHECK_STACK_OVERFLOW ();
1311 token = read32 (ip + 1);
1316 CHECK_STACK_UNDERFLOW (1);
1318 token = read32 (ip + 1);
1322 CHECK_STACK_UNDERFLOW (2);
1324 token = read32 (ip + 1);
1327 case CEE_CONV_OVF_I1_UN:
1328 case CEE_CONV_OVF_I2_UN:
1329 case CEE_CONV_OVF_I4_UN:
1330 case CEE_CONV_OVF_I8_UN:
1331 case CEE_CONV_OVF_U1_UN:
1332 case CEE_CONV_OVF_U2_UN:
1333 case CEE_CONV_OVF_U4_UN:
1334 case CEE_CONV_OVF_U8_UN:
1335 case CEE_CONV_OVF_I_UN:
1336 case CEE_CONV_OVF_U_UN:
1337 CHECK_STACK_UNDERFLOW (1);
1341 CHECK_STACK_UNDERFLOW (1);
1342 token = read32 (ip + 1);
1346 CHECK_STACK_UNDERFLOW (1);
1347 token = read32 (ip + 1);
1351 CHECK_STACK_UNDERFLOW (1);
1355 CHECK_STACK_UNDERFLOW (2);
1357 token = read32 (ip + 1);
1370 case CEE_LDELEM_REF:
1371 CHECK_STACK_UNDERFLOW (2);
1382 case CEE_STELEM_REF:
1383 CHECK_STACK_UNDERFLOW (3);
1403 ++ip; /* warn, error ? */
1405 case CEE_CONV_OVF_I1:
1406 case CEE_CONV_OVF_U1:
1407 case CEE_CONV_OVF_I2:
1408 case CEE_CONV_OVF_U2:
1409 case CEE_CONV_OVF_I4:
1410 case CEE_CONV_OVF_U4:
1411 case CEE_CONV_OVF_I8:
1412 case CEE_CONV_OVF_U8:
1413 CHECK_STACK_UNDERFLOW (1);
1423 ++ip; /* warn, error ? */
1426 CHECK_STACK_UNDERFLOW (1);
1430 CHECK_STACK_UNDERFLOW (1);
1435 ++ip; /* warn, error ? */
1438 CHECK_STACK_UNDERFLOW (1);
1439 token = read32 (ip + 1);
1451 ++ip; /* warn, error ? */
1454 CHECK_STACK_OVERFLOW ();
1455 token = read32 (ip + 1);
1462 case CEE_CONV_OVF_I:
1463 case CEE_CONV_OVF_U:
1464 CHECK_STACK_UNDERFLOW (1);
1468 case CEE_ADD_OVF_UN:
1470 case CEE_MUL_OVF_UN:
1472 case CEE_SUB_OVF_UN:
1473 CHECK_STACK_UNDERFLOW (2);
1477 case CEE_ENDFINALLY:
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 (!is_correct_leave (header, ip_offset, target - header->code))
1486 ADD_INVALID (list, g_strdup_printf ("Leave not allowed in finally block at 0x%04x", ip_offset));
1491 target = ip + (signed char)ip [1] + 2;
1492 if (target >= end || target < header->code)
1493 ADD_INVALID (list, g_strdup_printf ("Branch target out of code at 0x%04x", ip_offset));
1494 if (!is_correct_leave (header, ip_offset, target - header->code))
1495 ADD_INVALID (list, g_strdup_printf ("Leave not allowed in finally block at 0x%04x", ip_offset));
1500 CHECK_STACK_UNDERFLOW (2);
1505 CHECK_STACK_UNDERFLOW (1);
1546 CHECK_STACK_OVERFLOW ();
1554 CHECK_STACK_UNDERFLOW (2);
1559 CHECK_STACK_OVERFLOW ();
1560 token = read32 (ip + 1);
1564 CHECK_STACK_UNDERFLOW (1);
1565 token = read32 (ip + 1);
1573 if (read16 (ip + 1) >= max_args)
1574 ADD_INVALID (list, g_strdup_printf ("Method doesn't have argument %d at 0x%04x", read16 (ip + 1), ip_offset));
1575 CHECK_STACK_OVERFLOW ();
1580 if (read16 (ip + 1) >= max_args)
1581 ADD_INVALID (list, g_strdup_printf ("Method doesn't have argument %d at 0x%04x", read16(ip + 1), ip_offset));
1582 CHECK_STACK_UNDERFLOW (1);
1588 if (read16 (ip + 1) >= header->num_locals)
1589 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", read16 (ip + 1), ip_offset));
1590 /* no need to check if the var is initialized if the address is taken */
1591 if (*ip == CEE_LDLOC && !local_state [read16 (ip + 1)])
1592 ADD_INVALID (list, g_strdup_printf ("Local var %d is initialized at 0x%04x", read16 (ip + 1), ip_offset));
1593 CHECK_STACK_OVERFLOW ();
1598 if (read16 (ip + 1) >= header->num_locals)
1599 ADD_INVALID (list, g_strdup_printf ("Method doesn't have local var %d at 0x%04x", read16 (ip + 1), ip_offset));
1600 local_state [read16 (ip + 1)] = 1;
1601 CHECK_STACK_UNDERFLOW (1);
1607 ADD_INVALID (list, g_strdup_printf ("Stack must have only size item in localloc at 0x%04x", ip_offset));
1615 ADD_INVALID (list, g_strdup_printf ("Stack must have only filter result in endfilter at 0x%04x", ip_offset));
1618 case CEE_UNALIGNED_:
1619 prefix |= PREFIX_UNALIGNED;
1623 prefix |= PREFIX_VOLATILE;
1627 prefix |= PREFIX_TAIL;
1629 if (ip < end && (*ip != CEE_CALL && *ip != CEE_CALLI && *ip != CEE_CALLVIRT))
1630 ADD_INVALID (list, g_strdup_printf ("tail prefix must be used only with call opcodes at 0x%04x", ip_offset));
1633 CHECK_STACK_UNDERFLOW (1);
1634 token = read32 (ip + 1);
1641 CHECK_STACK_UNDERFLOW (3);
1645 CHECK_STACK_UNDERFLOW (3);
1658 CHECK_STACK_OVERFLOW ();
1659 token = read32 (ip + 1);
1662 case CEE_REFANYTYPE:
1663 CHECK_STACK_UNDERFLOW (1);
1677 * FIXME: if ip != end we overflowed: mark as error.
1681 g_free (local_state);
1693 const FieldDesc *fields;
1696 static const FieldDesc
1697 typebuilder_fields[] = {
1698 {"tname", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, name)},
1699 {"nspace", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, nspace)},
1700 {"parent", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, parent)},
1701 {"interfaces", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, interfaces)},
1702 {"methods", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, methods)},
1703 {"properties", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, properties)},
1704 {"fields", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, fields)},
1705 {"attrs", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, attrs)},
1706 {"table_idx", G_STRUCT_OFFSET (MonoReflectionTypeBuilder, table_idx)},
1710 static const FieldDesc
1711 modulebuilder_fields[] = {
1712 {"types", G_STRUCT_OFFSET (MonoReflectionModuleBuilder, types)},
1713 {"cattrs", G_STRUCT_OFFSET (MonoReflectionModuleBuilder, cattrs)},
1714 {"guid", G_STRUCT_OFFSET (MonoReflectionModuleBuilder, guid)},
1715 {"table_idx", G_STRUCT_OFFSET (MonoReflectionModuleBuilder, table_idx)},
1719 static const FieldDesc
1720 assemblybuilder_fields[] = {
1721 {"entry_point", G_STRUCT_OFFSET (MonoReflectionAssemblyBuilder, entry_point)},
1722 {"modules", G_STRUCT_OFFSET (MonoReflectionAssemblyBuilder, modules)},
1723 {"name", G_STRUCT_OFFSET (MonoReflectionAssemblyBuilder, name)},
1727 static const FieldDesc
1728 ctorbuilder_fields[] = {
1729 {"ilgen", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, ilgen)},
1730 {"parameters", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, parameters)},
1731 {"attrs", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, attrs)},
1732 {"iattrs", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, iattrs)},
1733 {"table_idx", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, table_idx)},
1734 {"call_conv", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, call_conv)},
1735 {"type", G_STRUCT_OFFSET (MonoReflectionCtorBuilder, type)},
1739 static const FieldDesc
1740 methodbuilder_fields[] = {
1741 {"mhandle", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, mhandle)},
1742 {"rtype", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, rtype)},
1743 {"parameters", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, parameters)},
1744 {"attrs", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, attrs)},
1745 {"iattrs", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, iattrs)},
1746 {"name", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, name)},
1747 {"table_idx", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, table_idx)},
1748 {"code", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, code)},
1749 {"ilgen", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, ilgen)},
1750 {"type", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, type)},
1751 {"pinfo", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, pinfo)},
1752 {"pi_dll", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, dll)},
1753 {"pi_entry", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, dllentry)},
1754 {"ncharset", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, charset)},
1755 {"native_cc", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, native_cc)},
1756 {"call_conv", G_STRUCT_OFFSET (MonoReflectionMethodBuilder, call_conv)},
1760 static const FieldDesc
1761 fieldbuilder_fields[] = {
1762 {"attrs", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, attrs)},
1763 {"type", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, type)},
1764 {"name", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, name)},
1765 {"def_value", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, def_value)},
1766 {"offset", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, offset)},
1767 {"table_idx", G_STRUCT_OFFSET (MonoReflectionFieldBuilder, table_idx)},
1771 static const FieldDesc
1772 propertybuilder_fields[] = {
1773 {"attrs", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, attrs)},
1774 {"name", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, name)},
1775 {"type", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, type)},
1776 {"parameters", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, parameters)},
1777 {"def_value", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, def_value)},
1778 {"set_method", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, set_method)},
1779 {"get_method", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, get_method)},
1780 {"table_idx", G_STRUCT_OFFSET (MonoReflectionPropertyBuilder, table_idx)},
1784 static const FieldDesc
1785 ilgenerator_fields[] = {
1786 {"code", G_STRUCT_OFFSET (MonoReflectionILGen, code)},
1787 {"mbuilder", G_STRUCT_OFFSET (MonoReflectionILGen, mbuilder)},
1788 {"code_len", G_STRUCT_OFFSET (MonoReflectionILGen, code_len)},
1789 {"max_stack", G_STRUCT_OFFSET (MonoReflectionILGen, max_stack)},
1790 {"cur_stack", G_STRUCT_OFFSET (MonoReflectionILGen, cur_stack)},
1791 {"locals", G_STRUCT_OFFSET (MonoReflectionILGen, locals)},
1792 {"ex_handlers", G_STRUCT_OFFSET (MonoReflectionILGen, ex_handlers)},
1796 static const FieldDesc
1797 ilexinfo_fields[] = {
1798 {"handlers", G_STRUCT_OFFSET (MonoILExceptionInfo, handlers)},
1799 {"start", G_STRUCT_OFFSET (MonoILExceptionInfo, start)},
1800 {"len", G_STRUCT_OFFSET (MonoILExceptionInfo, len)},
1801 {"end", G_STRUCT_OFFSET (MonoILExceptionInfo, label)},
1805 static const FieldDesc
1806 ilexblock_fields[] = {
1807 {"extype", G_STRUCT_OFFSET (MonoILExceptionBlock, extype)},
1808 {"type", G_STRUCT_OFFSET (MonoILExceptionBlock, type)},
1809 {"start", G_STRUCT_OFFSET (MonoILExceptionBlock, start)},
1810 {"len", G_STRUCT_OFFSET (MonoILExceptionBlock, len)},
1811 {"filter_offset", G_STRUCT_OFFSET (MonoILExceptionBlock, filter_offset)},
1815 static const ClassDesc
1816 emit_classes_to_check [] = {
1817 {"TypeBuilder", typebuilder_fields},
1818 {"ModuleBuilder", modulebuilder_fields},
1819 {"AssemblyBuilder", assemblybuilder_fields},
1820 {"ConstructorBuilder", ctorbuilder_fields},
1821 {"MethodBuilder", methodbuilder_fields},
1822 {"FieldBuilder", fieldbuilder_fields},
1823 {"PropertyBuilder", propertybuilder_fields},
1824 {"ILGenerator", ilgenerator_fields},
1825 {"ILExceptionBlock", ilexblock_fields},
1826 {"ILExceptionInfo", ilexinfo_fields},
1830 static const FieldDesc
1831 monoevent_fields[] = {
1832 {"klass", G_STRUCT_OFFSET (MonoReflectionEvent, klass)},
1833 {"handle", G_STRUCT_OFFSET (MonoReflectionEvent, event)},
1837 static const FieldDesc
1838 monoproperty_fields[] = {
1839 {"klass", G_STRUCT_OFFSET (MonoReflectionProperty, klass)},
1840 {"prop", G_STRUCT_OFFSET (MonoReflectionProperty, property)},
1844 static const FieldDesc
1845 monofield_fields[] = {
1846 {"klass", G_STRUCT_OFFSET (MonoReflectionField, klass)},
1847 {"fhandle", G_STRUCT_OFFSET (MonoReflectionField, field)},
1851 static const FieldDesc
1852 monomethodinfo_fields[] = {
1853 {"parent", G_STRUCT_OFFSET (MonoMethodInfo, parent)},
1854 {"ret", G_STRUCT_OFFSET (MonoMethodInfo, ret)},
1855 {"name", G_STRUCT_OFFSET (MonoMethodInfo, name)},
1856 {"attrs", G_STRUCT_OFFSET (MonoMethodInfo, attrs)},
1857 {"iattrs", G_STRUCT_OFFSET (MonoMethodInfo, implattrs)},
1861 static const FieldDesc
1862 monopropertyinfo_fields[] = {
1863 {"parent", G_STRUCT_OFFSET (MonoPropertyInfo, parent)},
1864 {"name", G_STRUCT_OFFSET (MonoPropertyInfo, name)},
1865 {"get_method", G_STRUCT_OFFSET (MonoPropertyInfo, get)},
1866 {"set_method", G_STRUCT_OFFSET (MonoPropertyInfo, set)},
1867 {"attrs", G_STRUCT_OFFSET (MonoPropertyInfo, attrs)},
1871 static const FieldDesc
1872 monofieldinfo_fields[] = {
1873 {"parent", G_STRUCT_OFFSET (MonoFieldInfo, parent)},
1874 {"type", G_STRUCT_OFFSET (MonoFieldInfo, type)},
1875 {"name", G_STRUCT_OFFSET (MonoFieldInfo, name)},
1876 {"attrs", G_STRUCT_OFFSET (MonoFieldInfo, attrs)},
1880 static const FieldDesc
1881 monomethod_fields[] = {
1882 {"mhandle", G_STRUCT_OFFSET (MonoReflectionMethod, method)},
1886 static const FieldDesc
1887 monocmethod_fields[] = {
1888 {"mhandle", G_STRUCT_OFFSET (MonoReflectionMethod, method)},
1892 static const FieldDesc
1894 {"ClassImpl", G_STRUCT_OFFSET (MonoReflectionParameter, ClassImpl)},
1895 {"DefaultValueImpl", G_STRUCT_OFFSET (MonoReflectionParameter, DefaultValueImpl)},
1896 {"MemberImpl", G_STRUCT_OFFSET (MonoReflectionParameter, MemberImpl)},
1897 {"NameImpl", G_STRUCT_OFFSET (MonoReflectionParameter, NameImpl)},
1898 {"PositionImpl", G_STRUCT_OFFSET (MonoReflectionParameter, PositionImpl)},
1899 {"AttrsImpl", G_STRUCT_OFFSET (MonoReflectionParameter, AttrsImpl)},
1903 static const ClassDesc
1904 reflection_classes_to_check [] = {
1905 {"MonoEvent", monoevent_fields},
1906 {"MonoProperty", monoproperty_fields},
1907 {"MonoField", monofield_fields},
1908 {"MonoMethodInfo", monomethodinfo_fields},
1909 {"MonoPropertyInfo", monopropertyinfo_fields},
1910 {"MonoFieldInfo", monofieldinfo_fields},
1911 {"MonoMethod", monomethod_fields},
1912 {"MonoCMethod", monocmethod_fields},
1913 {"ParameterInfo", pinfo_fields},
1918 enuminfo_fields[] = {
1919 {"utype", G_STRUCT_OFFSET (MonoEnumInfo, utype)},
1920 {"values", G_STRUCT_OFFSET (MonoEnumInfo, values)},
1921 {"names", G_STRUCT_OFFSET (MonoEnumInfo, names)},
1926 delegate_fields[] = {
1927 {"target_type", G_STRUCT_OFFSET (MonoDelegate, target_type)},
1928 {"m_target", G_STRUCT_OFFSET (MonoDelegate, target)},
1929 {"method_name", G_STRUCT_OFFSET (MonoDelegate, method_name)},
1930 {"method_ptr", G_STRUCT_OFFSET (MonoDelegate, method_ptr)},
1931 {"delegate_trampoline", G_STRUCT_OFFSET (MonoDelegate, delegate_trampoline)},
1932 {"method_info", G_STRUCT_OFFSET (MonoDelegate, method_info)},
1937 multicast_delegate_fields[] = {
1938 {"prev", G_STRUCT_OFFSET (MonoMulticastDelegate, prev)},
1943 async_result_fields[] = {
1944 {"async_state", G_STRUCT_OFFSET (MonoAsyncResult, async_state)},
1945 {"handle", G_STRUCT_OFFSET (MonoAsyncResult, handle)},
1946 {"async_delegate", G_STRUCT_OFFSET (MonoAsyncResult, async_delegate)},
1947 {"data", G_STRUCT_OFFSET (MonoAsyncResult, data)},
1948 {"sync_completed", G_STRUCT_OFFSET (MonoAsyncResult, sync_completed)},
1949 {"completed", G_STRUCT_OFFSET (MonoAsyncResult, completed)},
1950 {"endinvoke_called", G_STRUCT_OFFSET (MonoAsyncResult, endinvoke_called)},
1954 static const ClassDesc
1955 system_classes_to_check [] = {
1956 {"MonoEnumInfo", enuminfo_fields},
1957 {"Delegate", delegate_fields},
1958 {"MulticastDelegate", multicast_delegate_fields},
1963 mono_method_message_fields[] = {
1964 {"method", G_STRUCT_OFFSET (MonoMethodMessage, method)},
1965 {"args", G_STRUCT_OFFSET (MonoMethodMessage, args)},
1966 {"names", G_STRUCT_OFFSET (MonoMethodMessage, names)},
1967 {"arg_types", G_STRUCT_OFFSET (MonoMethodMessage, arg_types)},
1968 {"ctx", G_STRUCT_OFFSET (MonoMethodMessage, ctx)},
1969 {"rval", G_STRUCT_OFFSET (MonoMethodMessage, rval)},
1970 {"exc", G_STRUCT_OFFSET (MonoMethodMessage, exc)},
1974 static const ClassDesc
1975 messaging_classes_to_check [] = {
1976 {"AsyncResult", async_result_fields},
1977 {"MonoMethodMessage", mono_method_message_fields},
1982 transparent_proxy_fields[] = {
1983 {"_rp", G_STRUCT_OFFSET (MonoTransparentProxy, rp)},
1984 {"_class", G_STRUCT_OFFSET (MonoTransparentProxy, klass)},
1989 real_proxy_fields[] = {
1990 {"class_to_proxy", G_STRUCT_OFFSET (MonoRealProxy, class_to_proxy)},
1994 static const ClassDesc
1995 proxy_classes_to_check [] = {
1996 {"TransparentProxy", transparent_proxy_fields},
1997 {"RealProxy", real_proxy_fields},
2002 wait_handle_fields[] = {
2003 {"os_handle", G_STRUCT_OFFSET (MonoWaitHandle, handle)},
2004 {"disposed", G_STRUCT_OFFSET (MonoWaitHandle, disposed)},
2008 static const ClassDesc
2009 threading_classes_to_check [] = {
2010 {"WaitHandle", wait_handle_fields},
2016 const ClassDesc *types;
2019 static const NameSpaceDesc
2020 namespaces_to_check[] = {
2021 {"System.Runtime.Remoting.Proxies", proxy_classes_to_check},
2022 {"System.Runtime.Remoting.Messaging", messaging_classes_to_check},
2023 {"System.Reflection.Emit", emit_classes_to_check},
2024 {"System.Reflection", reflection_classes_to_check},
2025 {"System.Threading", threading_classes_to_check},
2026 {"System", system_classes_to_check},
2031 check_corlib (MonoImage *corlib)
2034 MonoClassField *field;
2035 const FieldDesc *fdesc;
2036 const ClassDesc *cdesc;
2037 const NameSpaceDesc *ndesc;
2040 for (ndesc = namespaces_to_check; ndesc->name; ++ndesc) {
2041 for (cdesc = ndesc->types; cdesc->name; ++cdesc) {
2042 klass = mono_class_from_name (corlib, ndesc->name, cdesc->name);
2044 return g_strdup_printf ("Cannot find class %s", cdesc->name);
2045 mono_class_init (klass);
2047 * FIXME: we should also check the size of valuetypes, or
2048 * we're going to have trouble when we access them in arrays.
2050 if (klass->valuetype)
2054 for (fdesc = cdesc->fields; fdesc->name; ++fdesc) {
2055 field = mono_class_get_field_from_name (klass, fdesc->name);
2056 if (!field || (field->offset != (fdesc->offset + struct_offset)))
2057 return g_strdup_printf ("field `%s' mismatch in class %s (%ld != %ld)", fdesc->name, cdesc->name, (long) fdesc->offset, (long) (field?field->offset:-1));
2065 mono_verify_corlib () {
2066 return check_corlib (mono_defaults.corlib);