2 * loader.c: Image Loader
5 * Paolo Molaro (lupus@ximian.com)
6 * Miguel de Icaza (miguel@ximian.com)
7 * Patrik Torstensson (patrik.torstensson@labs2.com)
9 * (C) 2001 Ximian, Inc.
11 * This file is used by the interpreter and the JIT engine to locate
12 * assemblies. Used to load AssemblyRef and later to resolve various
16 * This should keep track of the assembly versions that we are loading.
25 #include <mono/metadata/metadata.h>
26 #include <mono/metadata/image.h>
27 #include <mono/metadata/assembly.h>
28 #include <mono/metadata/tokentype.h>
29 #include <mono/metadata/cil-coff.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/metadata-internals.h>
32 #include <mono/metadata/loader.h>
33 #include <mono/metadata/class-internals.h>
34 #include <mono/metadata/debug-helpers.h>
35 #include <mono/metadata/reflection.h>
36 #include <mono/utils/mono-logger.h>
38 MonoDefaults mono_defaults;
41 * This lock protects the hash tables inside MonoImage used by the metadata
42 * loading functions in class.c and loader.c.
44 static CRITICAL_SECTION loader_mutex;
48 * This TLS variable contains the last type load error encountered by the loader.
50 guint32 loader_error_thread_id;
55 InitializeCriticalSection (&loader_mutex);
57 loader_error_thread_id = TlsAlloc ();
61 * Handling of type load errors should be done as follows:
63 * If something could not be loaded, the loader should call one of the
64 * mono_loader_set_error_XXX functions ()
65 * with the appropriate arguments, then return NULL to report the failure. The error
66 * should be propagated until it reaches code which can throw managed exceptions. At that
67 * point, an exception should be thrown based on the information returned by
68 * mono_loader_get_error (). Then the error should be cleared by calling
69 * mono_loader_clear_error ().
73 set_loader_error (MonoLoaderError *error)
75 TlsSetValue (loader_error_thread_id, error);
79 * mono_loader_set_error_type_load:
81 * Set the loader error for this thread. CLASS_NAME and ASSEMBLY_NAME should be
82 * dynamically allocated strings whose ownership is passed to this function.
85 mono_loader_set_error_type_load (char *class_name, char *assembly_name)
87 MonoLoaderError *error;
89 if (mono_loader_get_last_error ()) {
91 g_free (assembly_name);
95 error = g_new0 (MonoLoaderError, 1);
96 error->kind = MONO_LOADER_ERROR_TYPE;
97 error->class_name = class_name;
98 error->assembly_name = assembly_name;
100 set_loader_error (error);
104 * mono_loader_set_error_method_load:
106 * Set the loader error for this thread. MEMBER_NAME should point to a string
110 mono_loader_set_error_method_load (MonoClass *klass, const char *member_name)
112 MonoLoaderError *error;
114 /* FIXME: Store the signature as well */
115 if (mono_loader_get_last_error ())
118 error = g_new0 (MonoLoaderError, 1);
119 error->kind = MONO_LOADER_ERROR_METHOD;
120 error->klass = klass;
121 error->member_name = member_name;
123 set_loader_error (error);
127 * mono_loader_set_error_field_load:
129 * Set the loader error for this thread. MEMBER_NAME should point to a string
133 mono_loader_set_error_field_load (MonoClass *klass, const char *member_name)
135 MonoLoaderError *error;
137 /* FIXME: Store the signature as well */
138 if (mono_loader_get_last_error ())
141 error = g_new0 (MonoLoaderError, 1);
142 error->kind = MONO_LOADER_ERROR_FIELD;
143 error->klass = klass;
144 error->member_name = member_name;
146 set_loader_error (error);
150 * mono_loader_get_last_error:
152 * Returns information about the last type load exception encountered by the loader, or
153 * NULL. After use, the exception should be cleared by calling mono_loader_clear_error.
156 mono_loader_get_last_error (void)
158 return (MonoLoaderError*)TlsGetValue (loader_error_thread_id);
162 mono_loader_clear_error (void)
164 MonoLoaderError *ex = (MonoLoaderError*)TlsGetValue (loader_error_thread_id);
168 g_free (ex->class_name);
169 g_free (ex->assembly_name);
172 TlsSetValue (loader_error_thread_id, NULL);
175 static MonoClassField*
176 field_from_memberref (MonoImage *image, guint32 token, MonoClass **retklass,
177 MonoGenericContext *context)
180 MonoClassField *field;
181 MonoTableInfo *tables = image->tables;
183 guint32 nindex, class;
186 guint32 idx = mono_metadata_token_index (token);
188 if (image->dynamic) {
189 MonoClassField *result = mono_lookup_dynamic_token (image, token);
190 *retklass = result->parent;
194 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
195 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
196 class = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
198 fname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
200 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
201 mono_metadata_decode_blob_size (ptr, &ptr);
202 /* we may want to check the signature here... */
205 case MONO_MEMBERREF_PARENT_TYPEREF:
206 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
208 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_REF | nindex, context);
209 g_warning ("Missing field %s in class %s (typeref index %d)", fname, name, nindex);
213 mono_class_init (klass);
216 field = mono_class_get_field_from_name (klass, fname);
218 case MONO_MEMBERREF_PARENT_TYPESPEC: {
219 /*guint32 bcols [MONO_TYPESPEC_SIZE];
223 mono_metadata_decode_row (&tables [MONO_TABLE_TYPESPEC], nindex - 1,
224 bcols, MONO_TYPESPEC_SIZE);
225 ptr = mono_metadata_blob_heap (image, bcols [MONO_TYPESPEC_SIGNATURE]);
226 len = mono_metadata_decode_value (ptr, &ptr);
227 type = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
229 klass = mono_class_from_mono_type (type);
230 mono_class_init (klass);
231 g_print ("type in sig: %s\n", klass->name);*/
232 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
233 mono_class_init (klass);
236 field = mono_class_get_field_from_name (klass, fname);
240 g_warning ("field load from %x", class);
245 mono_loader_set_error_field_load (klass, fname);
251 mono_field_from_token (MonoImage *image, guint32 token, MonoClass **retklass,
252 MonoGenericContext *context)
256 MonoClassField *field;
258 if (image->dynamic) {
259 MonoClassField *result = mono_lookup_dynamic_token (image, token);
260 *retklass = result->parent;
265 if ((field = g_hash_table_lookup (image->field_cache, GUINT_TO_POINTER (token)))) {
266 *retklass = field->parent;
267 mono_loader_unlock ();
270 mono_loader_unlock ();
272 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF)
273 field = field_from_memberref (image, token, retklass, context);
275 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
278 k = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
284 field = mono_class_get_field (k, token);
288 if (field && !field->parent->generic_class)
289 g_hash_table_insert (image->field_cache, GUINT_TO_POINTER (token), field);
290 mono_loader_unlock ();
295 mono_metadata_signature_vararg_match (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
299 if (sig1->hasthis != sig2->hasthis ||
300 sig1->sentinelpos != sig2->sentinelpos)
303 for (i = 0; i < sig1->sentinelpos; i++) {
304 MonoType *p1 = sig1->params[i];
305 MonoType *p2 = sig2->params[i];
307 /*if (p1->attrs != p2->attrs)
310 if (!mono_metadata_type_equal (p1, p2))
314 if (!mono_metadata_type_equal (sig1->ret, sig2->ret))
320 find_method_in_class (MonoClass *klass, const char *name, const char *qname,
321 const char *fqname, MonoMethodSignature *sig, MonoGenericContext *context)
325 mono_class_setup_methods (klass);
326 for (i = 0; i < klass->method.count; ++i) {
327 MonoMethod *m = klass->methods [i];
329 if (!((fqname && !strcmp (m->name, fqname)) ||
330 (qname && !strcmp (m->name, qname)) || !strcmp (m->name, name)))
333 if (sig->call_convention == MONO_CALL_VARARG) {
334 if (mono_metadata_signature_vararg_match (sig, mono_method_signature (m)))
337 MonoMethodSignature *msig = mono_method_signature_full (m, context);
338 if (mono_metadata_signature_equal (sig, msig))
347 find_method (MonoClass *klass, MonoClass *ic, const char* name, MonoMethodSignature *sig,
348 MonoGenericContext *context)
351 char *qname, *fqname, *class_name;
352 gboolean is_interface;
353 MonoMethod *result = NULL;
355 is_interface = MONO_CLASS_IS_INTERFACE (klass);
358 class_name = mono_type_get_name_full (&ic->byval_arg, MONO_TYPE_NAME_FORMAT_IL);
360 qname = g_strconcat (class_name, ".", name, NULL);
361 if (ic->name_space && ic->name_space [0])
362 fqname = g_strconcat (ic->name_space, ".", class_name, ".", name, NULL);
366 class_name = qname = fqname = NULL;
369 result = find_method_in_class (klass, name, qname, fqname, sig, context);
373 if (name [0] == '.' && (!strcmp (name, ".ctor") || !strcmp (name, ".cctor")))
376 for (i = 0; i < klass->interface_count; i++) {
377 MonoClass *ic = klass->interfaces [i];
379 result = find_method_in_class (ic, name, qname, fqname, sig, context);
384 klass = klass->parent;
388 result = find_method_in_class (
389 mono_defaults.object_class, name, qname, fqname, sig, context);
399 * token is the method_ref or method_def token used in a call IL instruction.
402 mono_method_get_signature_full (MonoMethod *method, MonoImage *image, guint32 token, MonoGenericContext *context)
404 int table = mono_metadata_token_table (token);
405 int idx = mono_metadata_token_index (token);
406 guint32 cols [MONO_MEMBERREF_SIZE];
407 MonoMethodSignature *sig, *prev_sig;
410 /* !table is for wrappers: we should really assign their own token to them */
411 if (!table || table == MONO_TABLE_METHOD)
412 return mono_method_signature (method);
414 if (table == MONO_TABLE_METHODSPEC) {
415 g_assert (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) &&
416 !(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
417 mono_method_signature (method));
418 g_assert (method->is_inflated);
420 return mono_method_signature (method);
423 if (method->klass->generic_class)
424 return mono_method_signature (method);
427 /* FIXME: This might be incorrect for vararg methods */
428 return mono_method_signature (method);
431 sig = g_hash_table_lookup (image->memberref_signatures, GUINT_TO_POINTER (token));
432 mono_loader_unlock ();
434 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
436 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
437 mono_metadata_decode_blob_size (ptr, &ptr);
438 sig = mono_metadata_parse_method_signature_full (image, context, 0, ptr, NULL);
441 prev_sig = g_hash_table_lookup (image->memberref_signatures, GUINT_TO_POINTER (token));
443 /* Somebody got in before us */
444 /* FIXME: Free sig */
448 g_hash_table_insert (image->memberref_signatures, GUINT_TO_POINTER (token), sig);
449 mono_loader_unlock ();
452 sig = mono_class_inflate_generic_signature (image, sig, context);
458 mono_method_get_signature (MonoMethod *method, MonoImage *image, guint32 token)
460 return mono_method_get_signature_full (method, image, token, NULL);
464 method_from_memberref (MonoImage *image, guint32 idx, MonoGenericContext *context)
466 MonoClass *klass = NULL;
467 MonoMethod *method = NULL;
468 MonoTableInfo *tables = image->tables;
470 guint32 nindex, class;
472 MonoMethodSignature *sig;
475 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, 3);
476 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
477 class = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
478 /*g_print ("methodref: 0x%x 0x%x %s\n", class, nindex,
479 mono_metadata_string_heap (m, cols [MONO_MEMBERREF_NAME]));*/
481 mname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
484 case MONO_MEMBERREF_PARENT_TYPEREF:
485 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
487 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_REF | nindex, context);
488 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, name);
493 case MONO_MEMBERREF_PARENT_TYPESPEC:
495 * Parse the TYPESPEC in the parent's context.
497 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
499 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
500 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, name);
505 case MONO_MEMBERREF_PARENT_TYPEDEF:
506 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | nindex);
508 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_DEF | nindex, context);
509 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, name);
514 case MONO_MEMBERREF_PARENT_METHODDEF:
515 return mono_get_method (image, MONO_TOKEN_METHOD_DEF | nindex, NULL);
517 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
518 g_assert_not_reached ();
521 mono_class_init (klass);
524 * Correctly set the context before parsing the method.
526 if (klass->generic_class)
527 context = klass->generic_class->context;
528 else if (klass->generic_container)
529 context = klass->generic_container;
531 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
532 mono_metadata_decode_blob_size (ptr, &ptr);
533 sig = mono_metadata_parse_method_signature_full (image, context, 0, ptr, NULL);
534 sig = mono_class_inflate_generic_signature (image, sig, context);
537 case MONO_MEMBERREF_PARENT_TYPEREF:
538 method = find_method (klass, NULL, mname, sig, context);
540 mono_loader_set_error_method_load (klass, mname);
541 mono_metadata_free_method_signature (sig);
543 case MONO_MEMBERREF_PARENT_TYPESPEC: {
547 type = &klass->byval_arg;
549 if (type->type != MONO_TYPE_ARRAY && type->type != MONO_TYPE_SZARRAY) {
550 method = find_method (klass, NULL, mname, sig, context);
552 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, mono_class_get_name (klass));
553 else if (klass->generic_class && (klass != method->klass))
554 method = mono_class_inflate_generic_method (
555 method, klass->generic_class->context);
556 mono_metadata_free_method_signature (sig);
560 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
561 result->klass = klass;
562 result->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
563 result->signature = sig;
564 result->name = mname;
566 if (!strcmp (mname, ".ctor")) {
567 /* we special-case this in the runtime. */
571 if (!strcmp (mname, "Set")) {
572 g_assert (sig->hasthis);
573 g_assert (type->data.array->rank + 1 == sig->param_count);
574 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
578 if (!strcmp (mname, "Get")) {
579 g_assert (sig->hasthis);
580 g_assert (type->data.array->rank == sig->param_count);
581 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
585 if (!strcmp (mname, "Address")) {
586 g_assert (sig->hasthis);
587 g_assert (type->data.array->rank == sig->param_count);
588 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
592 g_assert_not_reached ();
595 case MONO_MEMBERREF_PARENT_TYPEDEF:
596 method = find_method (klass, NULL, mname, sig, context);
598 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, mono_class_get_name (klass));
599 mono_metadata_free_method_signature (sig);
602 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
603 g_assert_not_reached ();
610 method_from_methodspec (MonoImage *image, MonoGenericContext *context, guint32 idx)
612 MonoMethod *method, *inflated;
613 MonoTableInfo *tables = image->tables;
614 MonoGenericContext *new_context = NULL;
615 MonoGenericMethod *gmethod;
616 MonoGenericContainer *container = NULL;
618 guint32 cols [MONO_METHODSPEC_SIZE];
619 guint32 token, param_count;
621 mono_metadata_decode_row (&tables [MONO_TABLE_METHODSPEC], idx - 1, cols, MONO_METHODSPEC_SIZE);
622 token = cols [MONO_METHODSPEC_METHOD];
623 if ((token & MONO_METHODDEFORREF_MASK) == MONO_METHODDEFORREF_METHODDEF)
624 token = MONO_TOKEN_METHOD_DEF | (token >> MONO_METHODDEFORREF_BITS);
626 token = MONO_TOKEN_MEMBER_REF | (token >> MONO_METHODDEFORREF_BITS);
628 method = mono_get_method (image, token, NULL);
629 method = mono_get_inflated_method (method);
631 ptr = mono_metadata_blob_heap (image, cols [MONO_METHODSPEC_SIGNATURE]);
633 mono_metadata_decode_value (ptr, &ptr);
635 param_count = mono_metadata_decode_value (ptr, &ptr);
637 g_assert (param_count);
638 if (method->is_inflated)
639 container = ((MonoMethodNormal *) ((MonoMethodInflated *) method)->declaring)->generic_container;
641 container = ((MonoMethodNormal *) method)->generic_container;
642 g_assert (container && container->is_method);
645 g_assert (context->container);
646 container->parent = context->container;
647 if (container->parent->is_method)
648 container->parent = container->parent->parent;
651 gmethod = g_new0 (MonoGenericMethod, 1);
652 gmethod->generic_class = method->klass->generic_class;
653 gmethod->container = container;
655 if (context && context->gmethod)
656 new_context = &context->gmethod->container->context;
657 else if (context && context->gclass)
658 new_context = &context->gclass->container_class->generic_container->context;
660 new_context = context ? &context->container->context : NULL;
662 gmethod->inst = mono_metadata_parse_generic_inst (
663 image, new_context, param_count, ptr, &ptr);
666 gmethod->inst = mono_metadata_inflate_generic_inst (gmethod->inst, context);
668 if (!container->method_hash)
669 container->method_hash = g_hash_table_new (
670 (GHashFunc)mono_metadata_generic_method_hash, (GEqualFunc)mono_metadata_generic_method_equal);
672 inflated = g_hash_table_lookup (container->method_hash, gmethod);
679 new_context = g_new0 (MonoGenericContext, 1);
680 new_context->container = container;
681 new_context->gmethod = gmethod;
683 context = new_context;
685 new_context = g_new0 (MonoGenericContext, 1);
686 new_context->container = container;
687 new_context->gmethod = gmethod;
688 new_context->gclass = context->gclass;
690 context = new_context;
693 mono_stats.generics_metadata_size += sizeof (MonoGenericMethod) +
694 sizeof (MonoGenericContext) + param_count * sizeof (MonoType);
696 inflated = mono_class_inflate_generic_method (method, context);
697 g_hash_table_insert (container->method_hash, gmethod, inflated);
700 context->gclass = inflated->klass->generic_class;
704 typedef struct MonoDllMap MonoDllMap;
713 static GHashTable *global_dll_map;
716 mono_dllmap_lookup_hash (GHashTable *dll_map, const char *dll, const char* func, const char **rdll, const char **rfunc) {
717 MonoDllMap *map, *tmp;
726 map = g_hash_table_lookup (dll_map, dll);
728 mono_loader_unlock ();
731 *rdll = map->target? map->target: dll;
733 for (tmp = map->next; tmp; tmp = tmp->next) {
734 if (strcmp (func, tmp->name) == 0) {
738 mono_loader_unlock ();
743 mono_loader_unlock ();
748 mono_dllmap_lookup (MonoImage *assembly, const char *dll, const char* func, const char **rdll, const char **rfunc)
751 if (assembly && assembly->dll_map) {
752 res = mono_dllmap_lookup_hash (assembly->dll_map, dll, func, rdll, rfunc);
756 return mono_dllmap_lookup_hash (global_dll_map, dll, func, rdll, rfunc);
760 mono_dllmap_insert (MonoImage *assembly, const char *dll, const char *func, const char *tdll, const char *tfunc) {
761 MonoDllMap *map, *entry;
762 GHashTable *dll_map = NULL;
768 global_dll_map = g_hash_table_new (g_str_hash, g_str_equal);
769 dll_map = global_dll_map;
771 if (!assembly->dll_map)
772 assembly->dll_map = g_hash_table_new (g_str_hash, g_str_equal);
773 dll_map = assembly->dll_map;
776 map = g_hash_table_lookup (dll_map, dll);
778 map = g_new0 (MonoDllMap, 1);
779 map->dll = g_strdup (dll);
781 map->target = g_strdup (tdll);
782 g_hash_table_insert (dll_map, map->dll, map);
785 entry = g_new0 (MonoDllMap, 1);
786 entry->name = g_strdup (func);
788 entry->target = g_strdup (tfunc);
789 if (tdll && map->target && strcmp (map->target, tdll))
790 entry->dll = g_strdup (tdll);
791 entry->next = map->next;
795 mono_loader_unlock ();
799 mono_lookup_pinvoke_call (MonoMethod *method, const char **exc_class, const char **exc_arg)
801 MonoImage *image = method->klass->image;
802 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
803 MonoTableInfo *tables = image->tables;
804 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
805 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
806 guint32 im_cols [MONO_IMPLMAP_SIZE];
808 const char *import = NULL;
809 const char *orig_scope;
810 const char *new_scope;
811 char *full_name, *file_name;
813 GModule *gmodule = NULL;
815 g_assert (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL);
820 if (method->klass->image->dynamic) {
821 MonoReflectionMethodAux *method_aux =
822 g_hash_table_lookup (
823 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
827 import = method_aux->dllentry;
828 orig_scope = method_aux->dll;
831 if (!piinfo->implmap_idx)
834 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
836 piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
837 import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
838 scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
839 orig_scope = mono_metadata_string_heap (image, scope_token);
842 mono_dllmap_lookup (image, orig_scope, import, &new_scope, &import);
844 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
845 "DllImport attempting to load: '%s'.", new_scope);
852 /* we allow a special name to dlopen from the running process namespace */
853 if (strcmp (new_scope, "__Internal") == 0)
854 gmodule = g_module_open (NULL, G_MODULE_BIND_LAZY);
857 * Try loading the module using a variety of names
859 for (i = 0; i < 4; ++i) {
862 /* Try the original name */
863 file_name = g_strdup (new_scope);
866 /* Try trimming the .dll extension */
867 if (strstr (new_scope, ".dll") == (new_scope + strlen (new_scope) - 4)) {
868 file_name = g_strdup (new_scope);
869 file_name [strlen (new_scope) - 4] = '\0';
875 if (strstr (new_scope, "lib") != new_scope) {
876 file_name = g_strdup_printf ("lib%s", new_scope);
882 #ifndef PLATFORM_WIN32
883 if (!g_ascii_strcasecmp ("user32.dll", new_scope) ||
884 !g_ascii_strcasecmp ("kernel32.dll", new_scope) ||
885 !g_ascii_strcasecmp ("user32", new_scope) ||
886 !g_ascii_strcasecmp ("kernel", new_scope)) {
887 file_name = g_strdup ("libMonoSupportW.so");
891 #ifndef PLATFORM_WIN32
897 full_name = g_module_build_path (NULL, file_name);
898 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
899 "DllImport loading location: '%s'.", full_name);
900 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
902 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
903 "DllImport error loading library: '%s'.",
910 full_name = g_module_build_path (".", file_name);
911 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
912 "DllImport loading library: '%s'.", full_name);
913 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
915 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
916 "DllImport error loading library '%s'.",
923 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
924 "DllImport loading: '%s'.", file_name);
925 gmodule=g_module_open (file_name, G_MODULE_BIND_LAZY);
927 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
928 "DllImport error loading library '%s'.",
940 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_DLLIMPORT,
941 "DllImport unable to load library '%s'.",
945 *exc_class = "DllNotFoundException";
946 *exc_arg = new_scope;
951 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
952 "Searching for '%s'.", import);
954 if (piinfo->piflags & PINVOKE_ATTRIBUTE_NO_MANGLE) {
955 g_module_symbol (gmodule, import, &piinfo->addr);
957 char *mangled_name = NULL, *mangled_name2 = NULL;
960 int mangle_param_count;
961 #ifdef PLATFORM_WIN32
966 * Search using a variety of mangled names
968 for (mangle_charset = 0; mangle_charset <= 1; mangle_charset ++) {
969 for (mangle_stdcall = 0; mangle_stdcall <= 1; mangle_stdcall ++) {
970 gboolean need_param_count = FALSE;
971 #ifdef PLATFORM_WIN32
972 if (mangle_stdcall > 0)
973 need_param_count = TRUE;
975 for (mangle_param_count = 0; mangle_param_count <= (need_param_count ? 256 : 0); mangle_param_count += 4) {
980 mangled_name = (char*)import;
981 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
982 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
983 /* Try the mangled name first */
984 if (mangle_charset == 0)
985 mangled_name = g_strconcat (import, "W", NULL);
987 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
988 #ifdef PLATFORM_WIN32
989 if (mangle_charset == 0)
990 mangled_name = g_strconcat (import, "W", NULL);
993 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
995 /* Try the mangled name last */
996 if (mangle_charset == 1)
997 mangled_name = g_strconcat (import, "A", NULL);
1001 #ifdef PLATFORM_WIN32
1002 if (mangle_param_count == 0)
1003 param_count = mono_method_signature (method)->param_count * sizeof (gpointer);
1005 /* Try brute force, since it would be very hard to compute the stack usage correctly */
1006 param_count = mangle_param_count;
1008 /* Try the stdcall mangled name */
1010 * gcc under windows creates mangled names without the underscore, but MS.NET
1011 * doesn't support it, so we doesn't support it either.
1013 if (mangle_stdcall == 1)
1014 mangled_name2 = g_strdup_printf ("_%s@%d", mangled_name, param_count);
1016 mangled_name2 = mangled_name;
1018 mangled_name2 = mangled_name;
1021 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
1022 "Probing '%s'.", mangled_name2);
1024 g_module_symbol (gmodule, mangled_name2, &piinfo->addr);
1027 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
1028 "Found as '%s'.", mangled_name2);
1030 if (mangled_name != mangled_name2)
1031 g_free (mangled_name2);
1032 if (mangled_name != import)
1033 g_free (mangled_name);
1039 if (!piinfo->addr) {
1041 *exc_class = "EntryPointNotFoundException";
1046 return piinfo->addr;
1050 mono_get_method_from_token (MonoImage *image, guint32 token, MonoClass *klass,
1051 MonoGenericContext *context)
1054 int table = mono_metadata_token_table (token);
1055 int idx = mono_metadata_token_index (token);
1056 MonoTableInfo *tables = image->tables;
1057 MonoGenericContainer *generic_container = NULL, *container = NULL;
1058 const char *sig = NULL;
1060 guint32 cols [MONO_TYPEDEF_SIZE];
1063 return mono_lookup_dynamic_token (image, token);
1065 if (table != MONO_TABLE_METHOD) {
1066 MonoGenericContainer *generic_container = NULL;
1068 g_assert (context->container);
1069 generic_container = context->container;
1071 if (table == MONO_TABLE_METHODSPEC)
1072 return method_from_methodspec (image, context, idx);
1073 if (table != MONO_TABLE_MEMBERREF)
1074 g_print("got wrong token: 0x%08x\n", token);
1075 g_assert (table == MONO_TABLE_MEMBERREF);
1076 result = method_from_memberref (image, idx, context);
1081 mono_metadata_decode_row (&tables [table], idx - 1, cols, 6);
1083 if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
1084 (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))
1085 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
1087 result = (MonoMethod *)g_new0 (MonoMethodNormal, 1);
1090 result->klass = klass;
1091 result->flags = cols [2];
1092 result->iflags = cols [1];
1093 result->token = token;
1094 result->name = mono_metadata_string_heap (image, cols [3]);
1097 container = klass->generic_container;
1099 if (!(cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
1100 (!(cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) || cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
1101 generic_container = mono_metadata_load_generic_params (image, token, container);
1102 if (generic_container)
1103 container = generic_container;
1106 if (!sig) /* already taken from the methodref */
1107 sig = mono_metadata_blob_heap (image, cols [4]);
1108 size = mono_metadata_decode_blob_size (sig, &sig);
1110 /* there are generic params, or a container. FIXME: be lazy here for generics*/
1111 if (* sig & 0x10 || container) {
1112 result->signature = mono_metadata_parse_method_signature_full (
1113 image, (MonoGenericContext *) container, idx, sig, NULL);
1115 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
1116 result->signature->pinvoke = 1;
1119 if (!result->klass) {
1120 guint32 type = mono_metadata_typedef_from_method (image, token);
1121 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
1124 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
1125 if (result->klass == mono_defaults.string_class && !strcmp (result->name, ".ctor"))
1126 result->string_ctor = 1;
1127 } else if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
1128 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)result;
1129 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
1131 piinfo->implmap_idx = mono_metadata_implmap_from_method (image, idx - 1);
1132 piinfo->piflags = mono_metadata_decode_row_col (im, piinfo->implmap_idx - 1, MONO_IMPLMAP_FLAGS);
1134 if (result->signature && result->signature->generic_param_count) {
1135 MonoMethodSignature *sig = result->signature;
1137 for (i = 0; i < sig->generic_param_count; i++) {
1138 generic_container->type_params [i].method = result;
1140 mono_class_from_generic_parameter (
1141 &generic_container->type_params [i], image, TRUE);
1144 if (sig->ret->type == MONO_TYPE_MVAR) {
1145 int num = sig->ret->data.generic_param->num;
1146 sig->ret->data.generic_param = &generic_container->type_params [num];
1149 for (i = 0; i < sig->param_count; i++) {
1150 MonoType *t = sig->params [i];
1151 if (t->type == MONO_TYPE_MVAR) {
1152 int num = t->data.generic_param->num;
1153 sig->params [i]->data.generic_param = &generic_container->type_params [num];
1158 /* FIXME: lazyness for generics too, but how? */
1159 if (!result->klass->dummy && !(result->flags & METHOD_ATTRIBUTE_ABSTRACT) &&
1160 !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) && container) {
1161 gpointer loc = mono_image_rva_map (image, cols [0]);
1163 ((MonoMethodNormal *) result)->header = mono_metadata_parse_mh_full (
1164 image, (MonoGenericContext *) container, loc);
1167 ((MonoMethodNormal *) result)->generic_container = generic_container;
1174 mono_get_method (MonoImage *image, guint32 token, MonoClass *klass)
1176 return mono_get_method_full (image, token, klass, NULL);
1180 mono_get_method_full (MonoImage *image, guint32 token, MonoClass *klass,
1181 MonoGenericContext *context)
1185 /* We do everything inside the lock to prevent creation races */
1187 mono_loader_lock ();
1189 if ((result = g_hash_table_lookup (image->method_cache, GINT_TO_POINTER (token)))) {
1190 mono_loader_unlock ();
1194 result = mono_get_method_from_token (image, token, klass, context);
1196 //printf ("GET: %s\n", mono_method_full_name (result, TRUE));
1198 if (!(result && result->is_inflated))
1199 g_hash_table_insert (image->method_cache, GINT_TO_POINTER (token), result);
1201 mono_loader_unlock ();
1207 mono_get_method_constrained (MonoImage *image, guint32 token, MonoClass *constrained_class,
1208 MonoGenericContext *context)
1210 MonoMethod *method, *result;
1211 MonoClass *ic = NULL;
1212 MonoGenericClass *gclass = NULL;
1214 mono_loader_lock ();
1216 method = mono_get_method_from_token (image, token, NULL, context);
1218 mono_loader_unlock ();
1222 mono_class_init (constrained_class);
1223 method = mono_get_inflated_method (method);
1225 if ((constrained_class != method->klass) && (method->klass->interface_id != 0))
1228 if (constrained_class->generic_class)
1229 gclass = constrained_class->generic_class;
1231 result = find_method (constrained_class, ic, method->name, mono_method_signature (method), context);
1233 g_warning ("Missing method %s in assembly %s token %x", method->name,
1234 image->name, token);
1237 result = mono_class_inflate_generic_method (result, gclass->context);
1239 mono_loader_unlock ();
1244 mono_free_method (MonoMethod *method)
1246 if (method->signature) {
1248 * FIXME: This causes crashes because the types inside signatures and
1249 * locals are shared.
1251 /* mono_metadata_free_method_signature (method->signature); */
1252 g_free (method->signature);
1255 if (method->dynamic) {
1256 MonoMethodWrapper *mw = (MonoMethodWrapper*)method;
1258 g_free ((char*)method->name);
1259 if (mw->method.header)
1260 g_free ((char*)mw->method.header->code);
1261 g_free (mw->method_data);
1264 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && ((MonoMethodNormal *)method)->header) {
1266 /* mono_metadata_free_mh (((MonoMethodNormal *)method)->header); */
1267 g_free (((MonoMethodNormal*)method)->header);
1274 mono_method_get_param_names (MonoMethod *method, const char **names)
1277 MonoClass *klass = method->klass;
1278 MonoTableInfo *methodt;
1279 MonoTableInfo *paramt;
1282 if (!mono_method_signature (method)->param_count)
1284 for (i = 0; i < mono_method_signature (method)->param_count; ++i)
1287 if (klass->generic_class) /* copy the names later */
1290 mono_class_init (klass);
1292 if (klass->image->dynamic) {
1293 MonoReflectionMethodAux *method_aux =
1294 g_hash_table_lookup (
1295 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1296 if (method_aux && method_aux->param_names) {
1297 for (i = 0; i < mono_method_signature (method)->param_count; ++i)
1298 if (method_aux->param_names [i + 1])
1299 names [i] = method_aux->param_names [i + 1];
1304 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1305 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1306 idx = mono_method_get_index (method);
1308 guint32 cols [MONO_PARAM_SIZE];
1309 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1311 if (idx < methodt->rows)
1312 lastp = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1314 lastp = paramt->rows + 1;
1315 for (i = param_index; i < lastp; ++i) {
1316 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1317 if (cols [MONO_PARAM_SEQUENCE]) /* skip return param spec */
1318 names [cols [MONO_PARAM_SEQUENCE] - 1] = mono_metadata_string_heap (klass->image, cols [MONO_PARAM_NAME]);
1325 mono_method_get_param_token (MonoMethod *method, int index)
1327 MonoClass *klass = method->klass;
1328 MonoTableInfo *methodt;
1331 if (klass->generic_class)
1332 g_assert_not_reached ();
1334 mono_class_init (klass);
1336 if (klass->image->dynamic) {
1337 g_assert_not_reached ();
1340 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1341 idx = mono_method_get_index (method);
1343 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1345 return mono_metadata_make_token (MONO_TABLE_PARAM, param_index + index);
1352 mono_method_get_marshal_info (MonoMethod *method, MonoMarshalSpec **mspecs)
1355 MonoClass *klass = method->klass;
1356 MonoTableInfo *methodt;
1357 MonoTableInfo *paramt;
1360 for (i = 0; i < mono_method_signature (method)->param_count + 1; ++i)
1363 if (method->klass->image->dynamic) {
1364 MonoReflectionMethodAux *method_aux =
1365 g_hash_table_lookup (
1366 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1367 if (method_aux && method_aux->param_marshall) {
1368 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1369 for (i = 0; i < mono_method_signature (method)->param_count + 1; ++i)
1370 if (dyn_specs [i]) {
1371 mspecs [i] = g_new0 (MonoMarshalSpec, 1);
1372 memcpy (mspecs [i], dyn_specs [i], sizeof (MonoMarshalSpec));
1378 mono_class_init (klass);
1380 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1381 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1382 idx = mono_method_get_index (method);
1384 guint32 cols [MONO_PARAM_SIZE];
1385 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1387 if (idx < methodt->rows)
1388 lastp = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1390 lastp = paramt->rows + 1;
1392 for (i = param_index; i < lastp; ++i) {
1393 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1395 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL) {
1397 tp = mono_metadata_get_marshal_info (klass->image, i - 1, FALSE);
1399 mspecs [cols [MONO_PARAM_SEQUENCE]]= mono_metadata_parse_marshal_spec (klass->image, tp);
1408 mono_method_has_marshal_info (MonoMethod *method)
1411 MonoClass *klass = method->klass;
1412 MonoTableInfo *methodt;
1413 MonoTableInfo *paramt;
1416 if (method->klass->image->dynamic) {
1417 MonoReflectionMethodAux *method_aux =
1418 g_hash_table_lookup (
1419 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1420 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1422 for (i = 0; i < mono_method_signature (method)->param_count + 1; ++i)
1429 mono_class_init (klass);
1431 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1432 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1433 idx = mono_method_get_index (method);
1435 guint32 cols [MONO_PARAM_SIZE];
1436 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1438 if (idx + 1 < methodt->rows)
1439 lastp = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1441 lastp = paramt->rows + 1;
1443 for (i = param_index; i < lastp; ++i) {
1444 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1446 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL)
1455 mono_method_get_wrapper_data (MonoMethod *method, guint32 id)
1458 g_assert (method != NULL);
1459 g_assert (method->wrapper_type != MONO_WRAPPER_NONE);
1461 data = ((MonoMethodWrapper *)method)->method_data;
1462 g_assert (data != NULL);
1463 g_assert (id <= GPOINTER_TO_UINT (*data));
1468 default_stack_walk (MonoStackWalk func, gboolean do_il_offset, gpointer user_data) {
1469 g_error ("stack walk not installed");
1472 static MonoStackWalkImpl stack_walk = default_stack_walk;
1475 mono_stack_walk (MonoStackWalk func, gpointer user_data)
1477 stack_walk (func, TRUE, user_data);
1481 mono_stack_walk_no_il (MonoStackWalk func, gpointer user_data)
1483 stack_walk (func, FALSE, user_data);
1487 mono_install_stack_walk (MonoStackWalkImpl func)
1493 last_managed (MonoMethod *m, gint no, gint ilo, gboolean managed, gpointer data)
1495 MonoMethod **dest = data;
1497 /*g_print ("In %s::%s [%d] [%d]\n", m->klass->name, m->name, no, ilo);*/
1503 mono_method_get_last_managed (void)
1505 MonoMethod *m = NULL;
1506 stack_walk (last_managed, FALSE, &m);
1511 mono_loader_lock (void)
1513 EnterCriticalSection (&loader_mutex);
1517 mono_loader_unlock (void)
1519 LeaveCriticalSection (&loader_mutex);
1522 MonoMethodSignature*
1523 mono_method_signature (MonoMethod *m)
1525 m = mono_get_inflated_method (m);
1526 return mono_method_signature_full (m, NULL);
1529 MonoMethodSignature*
1530 mono_method_signature_full (MonoMethod *m, MonoGenericContext *context)
1538 return m->signature;
1540 mono_loader_lock ();
1543 mono_loader_unlock ();
1544 return m->signature;
1547 g_assert (mono_metadata_token_table (m->token) == MONO_TABLE_METHOD);
1548 idx = mono_metadata_token_index (m->token);
1549 img = m->klass->image;
1551 sig = mono_metadata_blob_heap (img, mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_SIGNATURE));
1552 size = mono_metadata_decode_blob_size (sig, &sig);
1554 m->signature = mono_metadata_parse_method_signature_full (img, context, idx, sig, NULL);
1556 if (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
1557 m->signature->pinvoke = 1;
1558 else if ((m->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(m->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
1559 MonoCallConvention conv = 0;
1560 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)m;
1561 m->signature->pinvoke = 1;
1563 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CALL_CONV_MASK) {
1564 case 0: /* no call conv, so using default */
1565 case PINVOKE_ATTRIBUTE_CALL_CONV_WINAPI:
1566 conv = MONO_CALL_DEFAULT;
1568 case PINVOKE_ATTRIBUTE_CALL_CONV_CDECL:
1571 case PINVOKE_ATTRIBUTE_CALL_CONV_STDCALL:
1572 conv = MONO_CALL_STDCALL;
1574 case PINVOKE_ATTRIBUTE_CALL_CONV_THISCALL:
1575 conv = MONO_CALL_THISCALL;
1577 case PINVOKE_ATTRIBUTE_CALL_CONV_FASTCALL:
1578 conv = MONO_CALL_FASTCALL;
1580 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERIC:
1581 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERICINST:
1583 g_warning ("unsupported calling convention : 0x%04x", piinfo->piflags);
1584 g_assert_not_reached ();
1586 m->signature->call_convention = conv;
1589 mono_loader_unlock ();
1590 return m->signature;
1594 mono_method_get_name (MonoMethod *method)
1596 return method->name;
1600 mono_method_get_class (MonoMethod *method)
1602 return method->klass;
1606 mono_method_get_token (MonoMethod *method)
1608 return method->token;
1612 mono_method_get_header (MonoMethod *method)
1618 MonoMethodNormal* mn = (MonoMethodNormal*) method;
1621 if (G_LIKELY (mn->header))
1627 if (method->klass->dummy || (method->flags & METHOD_ATTRIBUTE_ABSTRACT) || (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) || (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) || (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
1630 mono_loader_lock ();
1633 mono_loader_unlock ();
1637 g_assert (mono_metadata_token_table (method->token) == MONO_TABLE_METHOD);
1638 idx = mono_metadata_token_index (method->token);
1639 img = method->klass->image;
1640 rva = mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_RVA);
1641 loc = mono_image_rva_map (img, rva);
1645 mn->header = mono_metadata_parse_mh_full (img, (MonoGenericContext *) mn->generic_container, loc);
1647 mono_loader_unlock ();
1652 mono_method_get_flags (MonoMethod *method, guint32 *iflags)
1655 *iflags = method->iflags;
1656 return method->flags;
1660 * Find the method index in the metadata methodDef table.
1663 mono_method_get_index (MonoMethod *method) {
1664 MonoClass *klass = method->klass;
1668 return mono_metadata_token_index (method->token);
1670 mono_class_setup_methods (klass);
1671 for (i = 0; i < klass->method.count; ++i) {
1672 if (method == klass->methods [i])
1673 return klass->method.first + 1 + i;