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;
101 * This is not strictly needed, but some (most) of the loader code still
102 * can't deal with load errors, and this message is more helpful than an
105 g_warning ("The class %s could not be loaded, used in %s", class_name, assembly_name);
107 set_loader_error (error);
111 * mono_loader_set_error_method_load:
113 * Set the loader error for this thread. MEMBER_NAME should point to a string
117 mono_loader_set_error_method_load (MonoClass *klass, const char *member_name)
119 MonoLoaderError *error;
121 /* FIXME: Store the signature as well */
122 if (mono_loader_get_last_error ())
125 error = g_new0 (MonoLoaderError, 1);
126 error->kind = MONO_LOADER_ERROR_METHOD;
127 error->klass = klass;
128 error->member_name = member_name;
130 g_warning ("Missing member %s in type %s, assembly %s", member_name, mono_class_get_name (klass), klass->image->name);
132 set_loader_error (error);
136 * mono_loader_set_error_field_load:
138 * Set the loader error for this thread. MEMBER_NAME should point to a string
142 mono_loader_set_error_field_load (MonoClass *klass, const char *member_name)
144 MonoLoaderError *error;
146 /* FIXME: Store the signature as well */
147 if (mono_loader_get_last_error ())
150 error = g_new0 (MonoLoaderError, 1);
151 error->kind = MONO_LOADER_ERROR_FIELD;
152 error->klass = klass;
153 error->member_name = member_name;
155 set_loader_error (error);
159 * mono_loader_get_last_error:
161 * Returns information about the last type load exception encountered by the loader, or
162 * NULL. After use, the exception should be cleared by calling mono_loader_clear_error.
165 mono_loader_get_last_error (void)
167 return (MonoLoaderError*)TlsGetValue (loader_error_thread_id);
171 mono_loader_clear_error (void)
173 MonoLoaderError *ex = (MonoLoaderError*)TlsGetValue (loader_error_thread_id);
177 g_free (ex->class_name);
178 g_free (ex->assembly_name);
181 TlsSetValue (loader_error_thread_id, NULL);
184 static MonoClassField*
185 field_from_memberref (MonoImage *image, guint32 token, MonoClass **retklass,
186 MonoGenericContext *context)
189 MonoClassField *field;
190 MonoTableInfo *tables = image->tables;
192 guint32 nindex, class;
195 guint32 idx = mono_metadata_token_index (token);
197 if (image->dynamic) {
198 MonoClassField *result = mono_lookup_dynamic_token (image, token);
199 *retklass = result->parent;
203 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
204 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
205 class = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
207 fname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
209 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
210 mono_metadata_decode_blob_size (ptr, &ptr);
211 /* we may want to check the signature here... */
214 case MONO_MEMBERREF_PARENT_TYPEREF:
215 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
217 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_REF | nindex);
218 g_warning ("Missing field %s in class %s (typeref index %d)", fname, name, nindex);
222 mono_class_init (klass);
225 field = mono_class_get_field_from_name (klass, fname);
227 case MONO_MEMBERREF_PARENT_TYPESPEC: {
228 /*guint32 bcols [MONO_TYPESPEC_SIZE];
232 mono_metadata_decode_row (&tables [MONO_TABLE_TYPESPEC], nindex - 1,
233 bcols, MONO_TYPESPEC_SIZE);
234 ptr = mono_metadata_blob_heap (image, bcols [MONO_TYPESPEC_SIGNATURE]);
235 len = mono_metadata_decode_value (ptr, &ptr);
236 type = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
238 klass = mono_class_from_mono_type (type);
239 mono_class_init (klass);
240 g_print ("type in sig: %s\n", klass->name);*/
241 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
242 mono_class_init (klass);
245 field = mono_class_get_field_from_name (klass, fname);
249 g_warning ("field load from %x", class);
254 mono_loader_set_error_field_load (klass, fname);
260 mono_field_from_token (MonoImage *image, guint32 token, MonoClass **retklass,
261 MonoGenericContext *context)
265 MonoClassField *field;
267 if (image->dynamic) {
268 MonoClassField *result = mono_lookup_dynamic_token (image, token);
269 *retklass = result->parent;
274 if ((field = g_hash_table_lookup (image->field_cache, GUINT_TO_POINTER (token)))) {
275 *retklass = field->parent;
276 mono_loader_unlock ();
279 mono_loader_unlock ();
281 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF)
282 field = field_from_memberref (image, token, retklass, context);
284 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
287 k = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
293 field = mono_class_get_field (k, token);
297 if (field && !field->parent->generic_class)
298 g_hash_table_insert (image->field_cache, GUINT_TO_POINTER (token), field);
299 mono_loader_unlock ();
304 mono_metadata_signature_vararg_match (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
308 if (sig1->hasthis != sig2->hasthis ||
309 sig1->sentinelpos != sig2->sentinelpos)
312 for (i = 0; i < sig1->sentinelpos; i++) {
313 MonoType *p1 = sig1->params[i];
314 MonoType *p2 = sig2->params[i];
316 /*if (p1->attrs != p2->attrs)
319 if (!mono_metadata_type_equal (p1, p2))
323 if (!mono_metadata_type_equal (sig1->ret, sig2->ret))
329 find_method_in_class (MonoClass *klass, const char *name, const char *qname, const char *fqname,
330 MonoMethodSignature *sig)
334 mono_class_setup_methods (klass);
335 for (i = 0; i < klass->method.count; ++i) {
336 MonoMethod *m = klass->methods [i];
338 if (!((fqname && !strcmp (m->name, fqname)) ||
339 (qname && !strcmp (m->name, qname)) || !strcmp (m->name, name)))
342 if (sig->call_convention == MONO_CALL_VARARG) {
343 if (mono_metadata_signature_vararg_match (sig, mono_method_signature (m)))
346 if (mono_metadata_signature_equal (sig, mono_method_signature (m)))
355 find_method (MonoClass *klass, MonoClass *ic, const char* name, MonoMethodSignature *sig)
358 char *qname, *fqname, *class_name;
359 gboolean is_interface;
360 MonoMethod *result = NULL;
362 is_interface = MONO_CLASS_IS_INTERFACE (klass);
365 class_name = mono_type_get_name_full (&ic->byval_arg, MONO_TYPE_NAME_FORMAT_IL);
367 qname = g_strconcat (class_name, ".", name, NULL);
368 if (ic->name_space && ic->name_space [0])
369 fqname = g_strconcat (ic->name_space, ".", class_name, ".", name, NULL);
373 class_name = qname = fqname = NULL;
376 result = find_method_in_class (klass, name, qname, fqname, sig);
380 if (name [0] == '.' && (!strcmp (name, ".ctor") || !strcmp (name, ".cctor")))
383 for (i = 0; i < klass->interface_count; i++) {
384 MonoClass *ic = klass->interfaces [i];
386 result = find_method_in_class (ic, name, qname, fqname, sig);
391 klass = klass->parent;
395 result = find_method_in_class (mono_defaults.object_class, name, qname, fqname, sig);
405 * token is the method_ref or method_def token used in a call IL instruction.
408 mono_method_get_signature_full (MonoMethod *method, MonoImage *image, guint32 token, MonoGenericContext *context)
410 int table = mono_metadata_token_table (token);
411 int idx = mono_metadata_token_index (token);
412 guint32 cols [MONO_MEMBERREF_SIZE];
413 MonoMethodSignature *sig, *prev_sig;
416 /* !table is for wrappers: we should really assign their own token to them */
417 if (!table || table == MONO_TABLE_METHOD)
418 return mono_method_signature (method);
420 if (table == MONO_TABLE_METHODSPEC) {
421 g_assert (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) &&
422 !(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
423 mono_method_signature (method));
424 g_assert (method->is_inflated);
426 return mono_method_signature (method);
429 if (method->klass->generic_class)
430 return mono_method_signature (method);
433 /* FIXME: This might be incorrect for vararg methods */
434 return mono_method_signature (method);
437 sig = g_hash_table_lookup (image->memberref_signatures, GUINT_TO_POINTER (token));
438 mono_loader_unlock ();
440 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
442 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
443 mono_metadata_decode_blob_size (ptr, &ptr);
444 sig = mono_metadata_parse_method_signature_full (
445 image, context ? context->container : NULL, 0, ptr, NULL);
448 prev_sig = g_hash_table_lookup (image->memberref_signatures, GUINT_TO_POINTER (token));
450 /* Somebody got in before us */
451 /* FIXME: Free sig */
455 g_hash_table_insert (image->memberref_signatures, GUINT_TO_POINTER (token), sig);
456 mono_loader_unlock ();
459 sig = mono_class_inflate_generic_signature (image, sig, context);
465 mono_method_get_signature (MonoMethod *method, MonoImage *image, guint32 token)
467 return mono_method_get_signature_full (method, image, token, NULL);
471 method_from_memberref (MonoImage *image, guint32 idx, MonoGenericContext *typespec_context)
473 MonoGenericContext *context = NULL;
474 MonoClass *klass = NULL;
475 MonoMethod *method = NULL;
476 MonoTableInfo *tables = image->tables;
478 guint32 nindex, class;
480 MonoMethodSignature *sig;
483 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, 3);
484 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
485 class = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
486 /*g_print ("methodref: 0x%x 0x%x %s\n", class, nindex,
487 mono_metadata_string_heap (m, cols [MONO_MEMBERREF_NAME]));*/
489 mname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
492 case MONO_MEMBERREF_PARENT_TYPEREF:
493 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
495 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_REF | nindex);
496 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, name);
501 case MONO_MEMBERREF_PARENT_TYPESPEC:
503 * Parse the TYPESPEC in the parent's context.
505 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, typespec_context);
507 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_SPEC | nindex);
508 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, name);
513 case MONO_MEMBERREF_PARENT_TYPEDEF:
514 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | nindex);
516 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_DEF | nindex);
517 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, name);
522 case MONO_MEMBERREF_PARENT_METHODDEF:
523 return mono_get_method (image, MONO_TOKEN_METHOD_DEF | nindex, NULL);
525 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
526 g_assert_not_reached ();
529 mono_class_init (klass);
531 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
532 mono_metadata_decode_blob_size (ptr, &ptr);
534 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
537 case MONO_MEMBERREF_PARENT_TYPEREF:
538 method = find_method (klass, NULL, mname, sig);
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 MonoClass *in_class = klass->generic_class ? klass->generic_class->container_class : klass;
551 method = find_method (in_class, NULL, mname, sig);
553 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, mono_class_get_name (klass));
554 else if (klass->generic_class) {
555 method = mono_class_inflate_generic_method (method, klass->generic_class->context);
556 method = mono_get_inflated_method (method);
558 mono_metadata_free_method_signature (sig);
562 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
563 result->klass = klass;
564 result->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
565 result->signature = sig;
566 result->name = mname;
568 if (!strcmp (mname, ".ctor")) {
569 /* we special-case this in the runtime. */
573 if (!strcmp (mname, "Set")) {
574 g_assert (sig->hasthis);
575 g_assert (type->data.array->rank + 1 == sig->param_count);
576 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
580 if (!strcmp (mname, "Get")) {
581 g_assert (sig->hasthis);
582 g_assert (type->data.array->rank == sig->param_count);
583 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
587 if (!strcmp (mname, "Address")) {
588 g_assert (sig->hasthis);
589 g_assert (type->data.array->rank == sig->param_count);
590 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
594 g_assert_not_reached ();
597 case MONO_MEMBERREF_PARENT_TYPEDEF:
598 method = find_method (klass, NULL, mname, sig);
601 "Missing method %s::%s(%s) in assembly %s",
602 mono_type_get_name (&klass->byval_arg), mname, mono_signature_get_desc (sig, FALSE), image->name);
603 mono_metadata_free_method_signature (sig);
606 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
607 g_assert_not_reached ();
614 method_from_methodspec (MonoImage *image, MonoGenericContext *context, guint32 idx)
616 MonoMethod *method, *inflated;
617 MonoTableInfo *tables = image->tables;
618 MonoGenericContext *new_context = NULL;
619 MonoGenericMethod *gmethod;
620 MonoGenericContainer *container = NULL;
622 guint32 cols [MONO_METHODSPEC_SIZE];
623 guint32 token, nindex, param_count;
625 mono_metadata_decode_row (&tables [MONO_TABLE_METHODSPEC], idx - 1, cols, MONO_METHODSPEC_SIZE);
626 token = cols [MONO_METHODSPEC_METHOD];
627 nindex = token >> MONO_METHODDEFORREF_BITS;
629 ptr = mono_metadata_blob_heap (image, cols [MONO_METHODSPEC_SIGNATURE]);
631 mono_metadata_decode_value (ptr, &ptr);
633 param_count = mono_metadata_decode_value (ptr, &ptr);
634 g_assert (param_count);
637 * Be careful with the two contexts here:
639 * ----------------------------------------
641 * static void Hello<T> (S s, T t) { }
643 * static void Test<U> (U u) {
644 * Foo<U>.Hello<string> (u, "World");
647 * ----------------------------------------
649 * Let's assume we're currently JITing Foo<int>.Test<long>
650 * (ie. `S' is instantiated as `int' and `U' is instantiated as `long').
652 * The call to Hello() is encoded with a MethodSpec with a TypeSpec as parent
653 * (MONO_MEMBERREF_PARENT_TYPESPEC).
655 * The TypeSpec is encoded as `Foo<!!0>', so we need to parse it in the current
656 * context (S=int, U=long) to get the correct `Foo<long>'.
658 * After that, we parse the memberref signature in the new context
659 * (S=int, T=uninstantiated) and get the open generic method `Foo<long>.Hello<T>'.
662 if ((token & MONO_METHODDEFORREF_MASK) == MONO_METHODDEFORREF_METHODDEF)
663 method = mono_get_method_full (image, MONO_TOKEN_METHOD_DEF | nindex, NULL, context);
665 method = method_from_memberref (image, nindex, context);
667 method = mono_get_inflated_method (method);
669 container = method->generic_container;
670 g_assert (container);
672 gmethod = g_new0 (MonoGenericMethod, 1);
673 gmethod->generic_class = method->klass->generic_class;
674 gmethod->container = container;
676 new_context = g_new0 (MonoGenericContext, 1);
677 new_context->container = container;
678 new_context->gmethod = gmethod;
679 if (container->parent)
680 new_context->gclass = container->parent->context.gclass;
683 * When parsing the methodspec signature, we're in the old context again:
685 * ----------------------------------------
687 * static void Hello<T> (T t) { }
689 * static void Test<U> (U u) {
693 * ----------------------------------------
695 * Let's assume we're currently JITing "Foo.Test<float>".
697 * In this case, we already parsed the memberref as "Foo.Hello<T>" and the methodspec
698 * signature is "<!!0>". This means that we must instantiate the method type parameter
699 * `T' from the new method with the method type parameter `U' from the current context;
700 * ie. instantiate the method as `Foo.Hello<float>.
703 gmethod->inst = mono_metadata_parse_generic_inst (image, context, param_count, ptr, &ptr);
706 gmethod->inst = mono_metadata_inflate_generic_inst (gmethod->inst, context);
708 if (!container->method_hash)
709 container->method_hash = g_hash_table_new (
710 (GHashFunc)mono_metadata_generic_method_hash, (GEqualFunc)mono_metadata_generic_method_equal);
712 inflated = g_hash_table_lookup (container->method_hash, gmethod);
715 g_free (new_context);
719 context = new_context;
721 mono_stats.generics_metadata_size += sizeof (MonoGenericMethod) +
722 sizeof (MonoGenericContext) + param_count * sizeof (MonoType);
724 inflated = mono_class_inflate_generic_method (method, new_context);
725 g_hash_table_insert (container->method_hash, gmethod, inflated);
727 new_context->gclass = inflated->klass->generic_class;
731 typedef struct MonoDllMap MonoDllMap;
740 static GHashTable *global_dll_map;
743 mono_dllmap_lookup_hash (GHashTable *dll_map, const char *dll, const char* func, const char **rdll, const char **rfunc) {
744 MonoDllMap *map, *tmp;
753 map = g_hash_table_lookup (dll_map, dll);
755 mono_loader_unlock ();
758 *rdll = map->target? map->target: dll;
760 for (tmp = map->next; tmp; tmp = tmp->next) {
761 if (strcmp (func, tmp->name) == 0) {
765 mono_loader_unlock ();
770 mono_loader_unlock ();
775 mono_dllmap_lookup (MonoImage *assembly, const char *dll, const char* func, const char **rdll, const char **rfunc)
778 if (assembly && assembly->dll_map) {
779 res = mono_dllmap_lookup_hash (assembly->dll_map, dll, func, rdll, rfunc);
783 return mono_dllmap_lookup_hash (global_dll_map, dll, func, rdll, rfunc);
787 mono_dllmap_insert (MonoImage *assembly, const char *dll, const char *func, const char *tdll, const char *tfunc) {
788 MonoDllMap *map, *entry;
789 GHashTable *dll_map = NULL;
795 global_dll_map = g_hash_table_new (g_str_hash, g_str_equal);
796 dll_map = global_dll_map;
798 if (!assembly->dll_map)
799 assembly->dll_map = g_hash_table_new (g_str_hash, g_str_equal);
800 dll_map = assembly->dll_map;
803 map = g_hash_table_lookup (dll_map, dll);
805 map = g_new0 (MonoDllMap, 1);
806 map->dll = g_strdup (dll);
808 map->target = g_strdup (tdll);
809 g_hash_table_insert (dll_map, map->dll, map);
812 entry = g_new0 (MonoDllMap, 1);
813 entry->name = g_strdup (func);
815 entry->target = g_strdup (tfunc);
816 if (tdll && map->target && strcmp (map->target, tdll))
817 entry->dll = g_strdup (tdll);
818 entry->next = map->next;
822 mono_loader_unlock ();
826 mono_lookup_pinvoke_call (MonoMethod *method, const char **exc_class, const char **exc_arg)
828 MonoImage *image = method->klass->image;
829 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
830 MonoTableInfo *tables = image->tables;
831 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
832 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
833 guint32 im_cols [MONO_IMPLMAP_SIZE];
835 const char *import = NULL;
836 const char *orig_scope;
837 const char *new_scope;
838 char *full_name, *file_name;
840 GModule *gmodule = NULL;
842 g_assert (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL);
847 if (method->klass->image->dynamic) {
848 MonoReflectionMethodAux *method_aux =
849 g_hash_table_lookup (
850 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
854 import = method_aux->dllentry;
855 orig_scope = method_aux->dll;
858 if (!piinfo->implmap_idx)
861 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
863 piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
864 import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
865 scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
866 orig_scope = mono_metadata_string_heap (image, scope_token);
869 mono_dllmap_lookup (image, orig_scope, import, &new_scope, &import);
871 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
872 "DllImport attempting to load: '%s'.", new_scope);
879 /* we allow a special name to dlopen from the running process namespace */
880 if (strcmp (new_scope, "__Internal") == 0)
881 gmodule = g_module_open (NULL, G_MODULE_BIND_LAZY);
884 * Try loading the module using a variety of names
886 for (i = 0; i < 4; ++i) {
889 /* Try the original name */
890 file_name = g_strdup (new_scope);
893 /* Try trimming the .dll extension */
894 if (strstr (new_scope, ".dll") == (new_scope + strlen (new_scope) - 4)) {
895 file_name = g_strdup (new_scope);
896 file_name [strlen (new_scope) - 4] = '\0';
902 if (strstr (new_scope, "lib") != new_scope) {
903 file_name = g_strdup_printf ("lib%s", new_scope);
909 #ifndef PLATFORM_WIN32
910 if (!g_ascii_strcasecmp ("user32.dll", new_scope) ||
911 !g_ascii_strcasecmp ("kernel32.dll", new_scope) ||
912 !g_ascii_strcasecmp ("user32", new_scope) ||
913 !g_ascii_strcasecmp ("kernel", new_scope)) {
914 file_name = g_strdup ("libMonoSupportW.so");
918 #ifndef PLATFORM_WIN32
924 full_name = g_module_build_path (NULL, file_name);
925 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
926 "DllImport loading location: '%s'.", full_name);
927 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
929 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
930 "DllImport error loading library: '%s'.",
937 full_name = g_module_build_path (".", file_name);
938 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
939 "DllImport loading library: '%s'.", full_name);
940 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
942 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
943 "DllImport error loading library '%s'.",
950 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
951 "DllImport loading: '%s'.", file_name);
952 gmodule=g_module_open (file_name, G_MODULE_BIND_LAZY);
954 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
955 "DllImport error loading library '%s'.",
967 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_DLLIMPORT,
968 "DllImport unable to load library '%s'.",
972 *exc_class = "DllNotFoundException";
973 *exc_arg = new_scope;
978 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
979 "Searching for '%s'.", import);
981 if (piinfo->piflags & PINVOKE_ATTRIBUTE_NO_MANGLE) {
982 g_module_symbol (gmodule, import, &piinfo->addr);
984 char *mangled_name = NULL, *mangled_name2 = NULL;
987 int mangle_param_count;
988 #ifdef PLATFORM_WIN32
993 * Search using a variety of mangled names
995 for (mangle_charset = 0; mangle_charset <= 1; mangle_charset ++) {
996 for (mangle_stdcall = 0; mangle_stdcall <= 1; mangle_stdcall ++) {
997 gboolean need_param_count = FALSE;
998 #ifdef PLATFORM_WIN32
999 if (mangle_stdcall > 0)
1000 need_param_count = TRUE;
1002 for (mangle_param_count = 0; mangle_param_count <= (need_param_count ? 256 : 0); mangle_param_count += 4) {
1007 mangled_name = (char*)import;
1008 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1009 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1010 /* Try the mangled name first */
1011 if (mangle_charset == 0)
1012 mangled_name = g_strconcat (import, "W", NULL);
1014 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1015 #ifdef PLATFORM_WIN32
1016 if (mangle_charset == 0)
1017 mangled_name = g_strconcat (import, "W", NULL);
1020 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1022 /* Try the mangled name last */
1023 if (mangle_charset == 1)
1024 mangled_name = g_strconcat (import, "A", NULL);
1028 #ifdef PLATFORM_WIN32
1029 if (mangle_param_count == 0)
1030 param_count = mono_method_signature (method)->param_count * sizeof (gpointer);
1032 /* Try brute force, since it would be very hard to compute the stack usage correctly */
1033 param_count = mangle_param_count;
1035 /* Try the stdcall mangled name */
1037 * gcc under windows creates mangled names without the underscore, but MS.NET
1038 * doesn't support it, so we doesn't support it either.
1040 if (mangle_stdcall == 1)
1041 mangled_name2 = g_strdup_printf ("_%s@%d", mangled_name, param_count);
1043 mangled_name2 = mangled_name;
1045 mangled_name2 = mangled_name;
1048 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
1049 "Probing '%s'.", mangled_name2);
1051 g_module_symbol (gmodule, mangled_name2, &piinfo->addr);
1054 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
1055 "Found as '%s'.", mangled_name2);
1057 if (mangled_name != mangled_name2)
1058 g_free (mangled_name2);
1059 if (mangled_name != import)
1060 g_free (mangled_name);
1066 if (!piinfo->addr) {
1068 *exc_class = "EntryPointNotFoundException";
1073 return piinfo->addr;
1077 mono_get_method_from_token (MonoImage *image, guint32 token, MonoClass *klass,
1078 MonoGenericContext *context)
1081 int table = mono_metadata_token_table (token);
1082 int idx = mono_metadata_token_index (token);
1083 MonoTableInfo *tables = image->tables;
1084 MonoGenericContainer *generic_container = NULL, *container = NULL;
1085 const char *sig = NULL;
1087 guint32 cols [MONO_TYPEDEF_SIZE];
1090 return mono_lookup_dynamic_token (image, token);
1092 if (table != MONO_TABLE_METHOD) {
1093 if (table == MONO_TABLE_METHODSPEC)
1094 return method_from_methodspec (image, context, idx);
1095 if (table != MONO_TABLE_MEMBERREF)
1096 g_print("got wrong token: 0x%08x\n", token);
1097 g_assert (table == MONO_TABLE_MEMBERREF);
1098 result = method_from_memberref (image, idx, context);
1103 mono_metadata_decode_row (&tables [table], idx - 1, cols, 6);
1105 if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
1106 (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))
1107 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
1109 result = (MonoMethod *)g_new0 (MonoMethodNormal, 1);
1112 guint32 type = mono_metadata_typedef_from_method (image, token);
1113 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
1117 result->klass = klass;
1118 result->flags = cols [2];
1119 result->iflags = cols [1];
1120 result->token = token;
1121 result->name = mono_metadata_string_heap (image, cols [3]);
1123 container = klass->generic_container;
1124 generic_container = mono_metadata_load_generic_params (image, token, container);
1125 if (generic_container) {
1126 mono_metadata_load_generic_param_constraints (image, token, generic_container);
1128 for (i = 0; i < generic_container->type_argc; i++) {
1129 generic_container->type_params [i].method = result;
1131 mono_class_from_generic_parameter (
1132 &generic_container->type_params [i], image, TRUE);
1135 container = generic_container;
1138 if (!sig) /* already taken from the methodref */
1139 sig = mono_metadata_blob_heap (image, cols [4]);
1140 size = mono_metadata_decode_blob_size (sig, &sig);
1142 /* there are generic params, or a container. FIXME: be lazy here for generics*/
1143 if (* sig & 0x10 || container) {
1144 result->signature = mono_metadata_parse_method_signature_full (
1145 image, container, idx, sig, NULL);
1147 /* Verify metadata consistency */
1148 if (result->signature->generic_param_count) {
1149 if (!container || !container->is_method)
1150 g_error ("Signature claims method has generic parameters, but generic_params table says it doesn't");
1151 if (container->type_argc != result->signature->generic_param_count)
1152 g_error ("Inconsistent generic parameter count. Signature says %d, generic_params table says %d",
1153 result->signature->generic_param_count, container->type_argc);
1154 } else if (container && container->is_method && container->type_argc)
1155 g_error ("generic_params table claims method has generic parameters, but signature says it doesn't");
1157 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
1158 result->signature->pinvoke = 1;
1161 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
1162 if (result->klass == mono_defaults.string_class && !strcmp (result->name, ".ctor"))
1163 result->string_ctor = 1;
1164 } else if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
1165 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)result;
1166 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
1168 piinfo->implmap_idx = mono_metadata_implmap_from_method (image, idx - 1);
1169 piinfo->piflags = mono_metadata_decode_row_col (im, piinfo->implmap_idx - 1, MONO_IMPLMAP_FLAGS);
1172 /* FIXME: lazyness for generics too, but how? */
1173 if (!result->klass->dummy && !(result->flags & METHOD_ATTRIBUTE_ABSTRACT) &&
1174 !(cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
1175 !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) && container) {
1176 gpointer loc = mono_image_rva_map (image, cols [0]);
1178 ((MonoMethodNormal *) result)->header = mono_metadata_parse_mh_full (
1179 image, (MonoGenericContext *) container, loc);
1182 result->generic_container = generic_container;
1188 mono_get_method (MonoImage *image, guint32 token, MonoClass *klass)
1190 return mono_get_method_full (image, token, klass, NULL);
1194 mono_get_method_full (MonoImage *image, guint32 token, MonoClass *klass,
1195 MonoGenericContext *context)
1199 /* We do everything inside the lock to prevent creation races */
1201 mono_loader_lock ();
1203 if ((result = g_hash_table_lookup (image->method_cache, GINT_TO_POINTER (token)))) {
1204 mono_loader_unlock ();
1208 result = mono_get_method_from_token (image, token, klass, context);
1210 //printf ("GET: %s\n", mono_method_full_name (result, TRUE));
1212 if (!(result && result->is_inflated))
1213 g_hash_table_insert (image->method_cache, GINT_TO_POINTER (token), result);
1215 mono_loader_unlock ();
1221 * mono_get_method_constrained:
1223 * This is used when JITing the `constrained.' opcode.
1226 mono_get_method_constrained (MonoImage *image, guint32 token, MonoClass *constrained_class,
1227 MonoGenericContext *context)
1229 MonoMethod *method, *result;
1230 MonoClass *ic = NULL;
1231 MonoGenericClass *gclass = NULL;
1233 mono_loader_lock ();
1235 method = mono_get_method_from_token (image, token, NULL, context);
1237 mono_loader_unlock ();
1241 mono_class_init (constrained_class);
1242 method = mono_get_inflated_method (method);
1244 if ((constrained_class != method->klass) && (method->klass->interface_id != 0))
1247 if (constrained_class->generic_class)
1248 gclass = constrained_class->generic_class;
1250 result = find_method (constrained_class, ic, method->name, mono_method_signature (method));
1252 g_warning ("Missing method %s in assembly %s token %x", method->name,
1253 image->name, token);
1256 result = mono_class_inflate_generic_method (result, gclass->context);
1258 mono_loader_unlock ();
1263 mono_free_method (MonoMethod *method)
1265 if (method->signature) {
1267 * FIXME: This causes crashes because the types inside signatures and
1268 * locals are shared.
1270 /* mono_metadata_free_method_signature (method->signature); */
1271 g_free (method->signature);
1274 if (method->dynamic) {
1275 MonoMethodWrapper *mw = (MonoMethodWrapper*)method;
1277 g_free ((char*)method->name);
1278 if (mw->method.header)
1279 g_free ((char*)mw->method.header->code);
1280 g_free (mw->method_data);
1283 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && ((MonoMethodNormal *)method)->header) {
1285 /* mono_metadata_free_mh (((MonoMethodNormal *)method)->header); */
1286 g_free (((MonoMethodNormal*)method)->header);
1293 mono_method_get_param_names (MonoMethod *method, const char **names)
1296 MonoClass *klass = method->klass;
1297 MonoTableInfo *methodt;
1298 MonoTableInfo *paramt;
1301 if (!mono_method_signature (method)->param_count)
1303 for (i = 0; i < mono_method_signature (method)->param_count; ++i)
1306 if (klass->generic_class) /* copy the names later */
1309 mono_class_init (klass);
1311 if (klass->image->dynamic) {
1312 MonoReflectionMethodAux *method_aux =
1313 g_hash_table_lookup (
1314 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1315 if (method_aux && method_aux->param_names) {
1316 for (i = 0; i < mono_method_signature (method)->param_count; ++i)
1317 if (method_aux->param_names [i + 1])
1318 names [i] = method_aux->param_names [i + 1];
1323 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1324 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1325 idx = mono_method_get_index (method);
1327 guint32 cols [MONO_PARAM_SIZE];
1328 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1330 if (idx < methodt->rows)
1331 lastp = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1333 lastp = paramt->rows + 1;
1334 for (i = param_index; i < lastp; ++i) {
1335 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1336 if (cols [MONO_PARAM_SEQUENCE]) /* skip return param spec */
1337 names [cols [MONO_PARAM_SEQUENCE] - 1] = mono_metadata_string_heap (klass->image, cols [MONO_PARAM_NAME]);
1344 mono_method_get_param_token (MonoMethod *method, int index)
1346 MonoClass *klass = method->klass;
1347 MonoTableInfo *methodt;
1350 if (klass->generic_class)
1351 g_assert_not_reached ();
1353 mono_class_init (klass);
1355 if (klass->image->dynamic) {
1356 g_assert_not_reached ();
1359 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1360 idx = mono_method_get_index (method);
1362 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1364 return mono_metadata_make_token (MONO_TABLE_PARAM, param_index + index);
1371 mono_method_get_marshal_info (MonoMethod *method, MonoMarshalSpec **mspecs)
1374 MonoClass *klass = method->klass;
1375 MonoTableInfo *methodt;
1376 MonoTableInfo *paramt;
1379 for (i = 0; i < mono_method_signature (method)->param_count + 1; ++i)
1382 if (method->klass->image->dynamic) {
1383 MonoReflectionMethodAux *method_aux =
1384 g_hash_table_lookup (
1385 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1386 if (method_aux && method_aux->param_marshall) {
1387 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1388 for (i = 0; i < mono_method_signature (method)->param_count + 1; ++i)
1389 if (dyn_specs [i]) {
1390 mspecs [i] = g_new0 (MonoMarshalSpec, 1);
1391 memcpy (mspecs [i], dyn_specs [i], sizeof (MonoMarshalSpec));
1397 mono_class_init (klass);
1399 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1400 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1401 idx = mono_method_get_index (method);
1403 guint32 cols [MONO_PARAM_SIZE];
1404 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1406 if (idx < methodt->rows)
1407 lastp = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1409 lastp = paramt->rows + 1;
1411 for (i = param_index; i < lastp; ++i) {
1412 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1414 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL) {
1416 tp = mono_metadata_get_marshal_info (klass->image, i - 1, FALSE);
1418 mspecs [cols [MONO_PARAM_SEQUENCE]]= mono_metadata_parse_marshal_spec (klass->image, tp);
1427 mono_method_has_marshal_info (MonoMethod *method)
1430 MonoClass *klass = method->klass;
1431 MonoTableInfo *methodt;
1432 MonoTableInfo *paramt;
1435 if (method->klass->image->dynamic) {
1436 MonoReflectionMethodAux *method_aux =
1437 g_hash_table_lookup (
1438 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1439 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1441 for (i = 0; i < mono_method_signature (method)->param_count + 1; ++i)
1448 mono_class_init (klass);
1450 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1451 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1452 idx = mono_method_get_index (method);
1454 guint32 cols [MONO_PARAM_SIZE];
1455 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1457 if (idx + 1 < methodt->rows)
1458 lastp = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1460 lastp = paramt->rows + 1;
1462 for (i = param_index; i < lastp; ++i) {
1463 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1465 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL)
1474 mono_method_get_wrapper_data (MonoMethod *method, guint32 id)
1477 g_assert (method != NULL);
1478 g_assert (method->wrapper_type != MONO_WRAPPER_NONE);
1480 data = ((MonoMethodWrapper *)method)->method_data;
1481 g_assert (data != NULL);
1482 g_assert (id <= GPOINTER_TO_UINT (*data));
1487 default_stack_walk (MonoStackWalk func, gboolean do_il_offset, gpointer user_data) {
1488 g_error ("stack walk not installed");
1491 static MonoStackWalkImpl stack_walk = default_stack_walk;
1494 mono_stack_walk (MonoStackWalk func, gpointer user_data)
1496 stack_walk (func, TRUE, user_data);
1500 mono_stack_walk_no_il (MonoStackWalk func, gpointer user_data)
1502 stack_walk (func, FALSE, user_data);
1506 mono_install_stack_walk (MonoStackWalkImpl func)
1512 last_managed (MonoMethod *m, gint no, gint ilo, gboolean managed, gpointer data)
1514 MonoMethod **dest = data;
1516 /*g_print ("In %s::%s [%d] [%d]\n", m->klass->name, m->name, no, ilo);*/
1522 mono_method_get_last_managed (void)
1524 MonoMethod *m = NULL;
1525 stack_walk (last_managed, FALSE, &m);
1530 mono_loader_lock (void)
1532 EnterCriticalSection (&loader_mutex);
1536 mono_loader_unlock (void)
1538 LeaveCriticalSection (&loader_mutex);
1541 MonoMethodSignature*
1542 mono_method_signature (MonoMethod *m)
1544 m = mono_get_inflated_method (m);
1545 return mono_method_signature_full (m, NULL);
1548 MonoMethodSignature*
1549 mono_method_signature_full (MonoMethod *m, MonoGenericContainer *container)
1557 return m->signature;
1559 mono_loader_lock ();
1562 mono_loader_unlock ();
1563 return m->signature;
1566 g_assert (mono_metadata_token_table (m->token) == MONO_TABLE_METHOD);
1567 idx = mono_metadata_token_index (m->token);
1568 img = m->klass->image;
1570 sig = mono_metadata_blob_heap (img, mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_SIGNATURE));
1571 size = mono_metadata_decode_blob_size (sig, &sig);
1573 m->signature = mono_metadata_parse_method_signature_full (img, container, idx, sig, NULL);
1575 if (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
1576 m->signature->pinvoke = 1;
1577 else if ((m->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(m->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
1578 MonoCallConvention conv = 0;
1579 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)m;
1580 m->signature->pinvoke = 1;
1582 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CALL_CONV_MASK) {
1583 case 0: /* no call conv, so using default */
1584 case PINVOKE_ATTRIBUTE_CALL_CONV_WINAPI:
1585 conv = MONO_CALL_DEFAULT;
1587 case PINVOKE_ATTRIBUTE_CALL_CONV_CDECL:
1590 case PINVOKE_ATTRIBUTE_CALL_CONV_STDCALL:
1591 conv = MONO_CALL_STDCALL;
1593 case PINVOKE_ATTRIBUTE_CALL_CONV_THISCALL:
1594 conv = MONO_CALL_THISCALL;
1596 case PINVOKE_ATTRIBUTE_CALL_CONV_FASTCALL:
1597 conv = MONO_CALL_FASTCALL;
1599 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERIC:
1600 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERICINST:
1602 g_warning ("unsupported calling convention : 0x%04x", piinfo->piflags);
1603 g_assert_not_reached ();
1605 m->signature->call_convention = conv;
1608 mono_loader_unlock ();
1609 return m->signature;
1613 mono_method_get_name (MonoMethod *method)
1615 return method->name;
1619 mono_method_get_class (MonoMethod *method)
1621 return method->klass;
1625 mono_method_get_token (MonoMethod *method)
1627 return method->token;
1631 mono_method_get_header (MonoMethod *method)
1637 MonoMethodNormal* mn = (MonoMethodNormal*) method;
1639 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))
1643 if (G_LIKELY (mn->header))
1649 mono_loader_lock ();
1652 mono_loader_unlock ();
1656 g_assert (mono_metadata_token_table (method->token) == MONO_TABLE_METHOD);
1657 idx = mono_metadata_token_index (method->token);
1658 img = method->klass->image;
1659 rva = mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_RVA);
1660 loc = mono_image_rva_map (img, rva);
1664 mn->header = mono_metadata_parse_mh_full (img, (MonoGenericContext *) method->generic_container, loc);
1666 mono_loader_unlock ();
1671 mono_method_get_flags (MonoMethod *method, guint32 *iflags)
1674 *iflags = method->iflags;
1675 return method->flags;
1679 * Find the method index in the metadata methodDef table.
1682 mono_method_get_index (MonoMethod *method) {
1683 MonoClass *klass = method->klass;
1687 return mono_metadata_token_index (method->token);
1689 mono_class_setup_methods (klass);
1690 for (i = 0; i < klass->method.count; ++i) {
1691 if (method == klass->methods [i])
1692 return klass->method.first + 1 + i;