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 set_loader_error (error);
134 * mono_loader_set_error_field_load:
136 * Set the loader error for this thread. MEMBER_NAME should point to a string
140 mono_loader_set_error_field_load (MonoClass *klass, const char *member_name)
142 MonoLoaderError *error;
144 /* FIXME: Store the signature as well */
145 if (mono_loader_get_last_error ())
148 error = g_new0 (MonoLoaderError, 1);
149 error->kind = MONO_LOADER_ERROR_FIELD;
150 error->klass = klass;
151 error->member_name = member_name;
153 set_loader_error (error);
157 * mono_loader_get_last_error:
159 * Returns information about the last type load exception encountered by the loader, or
160 * NULL. After use, the exception should be cleared by calling mono_loader_clear_error.
163 mono_loader_get_last_error (void)
165 return (MonoLoaderError*)TlsGetValue (loader_error_thread_id);
169 mono_loader_clear_error (void)
171 MonoLoaderError *ex = (MonoLoaderError*)TlsGetValue (loader_error_thread_id);
175 g_free (ex->class_name);
176 g_free (ex->assembly_name);
179 TlsSetValue (loader_error_thread_id, NULL);
182 static MonoClassField*
183 field_from_memberref (MonoImage *image, guint32 token, MonoClass **retklass,
184 MonoGenericContext *context)
187 MonoClassField *field;
188 MonoTableInfo *tables = image->tables;
190 guint32 nindex, class;
193 guint32 idx = mono_metadata_token_index (token);
195 if (image->dynamic) {
196 MonoClassField *result = mono_lookup_dynamic_token (image, token);
197 *retklass = result->parent;
201 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
202 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
203 class = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
205 fname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
207 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
208 mono_metadata_decode_blob_size (ptr, &ptr);
209 /* we may want to check the signature here... */
212 case MONO_MEMBERREF_PARENT_TYPEREF:
213 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
215 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_REF | nindex);
216 g_warning ("Missing field %s in class %s (typeref index %d)", fname, name, nindex);
220 mono_class_init (klass);
223 field = mono_class_get_field_from_name (klass, fname);
225 case MONO_MEMBERREF_PARENT_TYPESPEC: {
226 /*guint32 bcols [MONO_TYPESPEC_SIZE];
230 mono_metadata_decode_row (&tables [MONO_TABLE_TYPESPEC], nindex - 1,
231 bcols, MONO_TYPESPEC_SIZE);
232 ptr = mono_metadata_blob_heap (image, bcols [MONO_TYPESPEC_SIGNATURE]);
233 len = mono_metadata_decode_value (ptr, &ptr);
234 type = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
236 klass = mono_class_from_mono_type (type);
237 mono_class_init (klass);
238 g_print ("type in sig: %s\n", klass->name);*/
239 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
240 mono_class_init (klass);
243 field = mono_class_get_field_from_name (klass, fname);
247 g_warning ("field load from %x", class);
252 mono_loader_set_error_field_load (klass, fname);
258 mono_field_from_token (MonoImage *image, guint32 token, MonoClass **retklass,
259 MonoGenericContext *context)
263 MonoClassField *field;
265 if (image->dynamic) {
266 MonoClassField *result = mono_lookup_dynamic_token (image, token);
267 *retklass = result->parent;
272 if ((field = g_hash_table_lookup (image->field_cache, GUINT_TO_POINTER (token)))) {
273 *retklass = field->parent;
274 mono_loader_unlock ();
277 mono_loader_unlock ();
279 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF)
280 field = field_from_memberref (image, token, retklass, context);
282 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
285 k = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
291 field = mono_class_get_field (k, token);
295 if (field && !field->parent->generic_class)
296 g_hash_table_insert (image->field_cache, GUINT_TO_POINTER (token), field);
297 mono_loader_unlock ();
302 mono_metadata_signature_vararg_match (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
306 if (sig1->hasthis != sig2->hasthis ||
307 sig1->sentinelpos != sig2->sentinelpos)
310 for (i = 0; i < sig1->sentinelpos; i++) {
311 MonoType *p1 = sig1->params[i];
312 MonoType *p2 = sig2->params[i];
314 /*if (p1->attrs != p2->attrs)
317 if (!mono_metadata_type_equal (p1, p2))
321 if (!mono_metadata_type_equal (sig1->ret, sig2->ret))
327 find_method_in_class (MonoClass *klass, const char *name, const char *qname, const char *fqname,
328 MonoMethodSignature *sig)
332 mono_class_setup_methods (klass);
333 for (i = 0; i < klass->method.count; ++i) {
334 MonoMethod *m = klass->methods [i];
336 if (!((fqname && !strcmp (m->name, fqname)) ||
337 (qname && !strcmp (m->name, qname)) || !strcmp (m->name, name)))
340 if (sig->call_convention == MONO_CALL_VARARG) {
341 if (mono_metadata_signature_vararg_match (sig, mono_method_signature (m)))
344 if (mono_metadata_signature_equal (sig, mono_method_signature (m)))
353 find_method (MonoClass *klass, MonoClass *ic, const char* name, MonoMethodSignature *sig)
356 char *qname, *fqname, *class_name;
357 gboolean is_interface;
358 MonoMethod *result = NULL;
360 is_interface = MONO_CLASS_IS_INTERFACE (klass);
363 class_name = mono_type_get_name_full (&ic->byval_arg, MONO_TYPE_NAME_FORMAT_IL);
365 qname = g_strconcat (class_name, ".", name, NULL);
366 if (ic->name_space && ic->name_space [0])
367 fqname = g_strconcat (ic->name_space, ".", class_name, ".", name, NULL);
371 class_name = qname = fqname = NULL;
374 result = find_method_in_class (klass, name, qname, fqname, sig);
378 if (name [0] == '.' && (!strcmp (name, ".ctor") || !strcmp (name, ".cctor")))
381 for (i = 0; i < klass->interface_count; i++) {
382 MonoClass *ic = klass->interfaces [i];
384 result = find_method_in_class (ic, name, qname, fqname, sig);
389 klass = klass->parent;
393 result = find_method_in_class (mono_defaults.object_class, name, qname, fqname, sig);
403 * token is the method_ref or method_def token used in a call IL instruction.
406 mono_method_get_signature_full (MonoMethod *method, MonoImage *image, guint32 token, MonoGenericContext *context)
408 int table = mono_metadata_token_table (token);
409 int idx = mono_metadata_token_index (token);
410 guint32 cols [MONO_MEMBERREF_SIZE];
411 MonoMethodSignature *sig, *prev_sig;
414 /* !table is for wrappers: we should really assign their own token to them */
415 if (!table || table == MONO_TABLE_METHOD)
416 return mono_method_signature (method);
418 if (table == MONO_TABLE_METHODSPEC) {
419 g_assert (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) &&
420 !(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
421 mono_method_signature (method));
422 g_assert (method->is_inflated);
424 return mono_method_signature (method);
427 if (method->klass->generic_class)
428 return mono_method_signature (method);
431 /* FIXME: This might be incorrect for vararg methods */
432 return mono_method_signature (method);
435 sig = g_hash_table_lookup (image->memberref_signatures, GUINT_TO_POINTER (token));
436 mono_loader_unlock ();
438 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
440 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
441 mono_metadata_decode_blob_size (ptr, &ptr);
442 sig = mono_metadata_parse_method_signature_full (
443 image, context ? context->container : NULL, 0, ptr, NULL);
446 prev_sig = g_hash_table_lookup (image->memberref_signatures, GUINT_TO_POINTER (token));
448 /* Somebody got in before us */
449 /* FIXME: Free sig */
453 g_hash_table_insert (image->memberref_signatures, GUINT_TO_POINTER (token), sig);
454 mono_loader_unlock ();
457 sig = mono_class_inflate_generic_signature (image, sig, context);
463 mono_method_get_signature (MonoMethod *method, MonoImage *image, guint32 token)
465 return mono_method_get_signature_full (method, image, token, NULL);
469 method_from_memberref (MonoImage *image, guint32 idx, MonoGenericContext *typespec_context)
471 MonoClass *klass = NULL;
472 MonoMethod *method = NULL;
473 MonoTableInfo *tables = image->tables;
475 guint32 nindex, class;
477 MonoMethodSignature *sig;
480 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, 3);
481 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
482 class = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
483 /*g_print ("methodref: 0x%x 0x%x %s\n", class, nindex,
484 mono_metadata_string_heap (m, cols [MONO_MEMBERREF_NAME]));*/
486 mname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
489 case MONO_MEMBERREF_PARENT_TYPEREF:
490 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
492 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_REF | nindex);
493 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, name);
498 case MONO_MEMBERREF_PARENT_TYPESPEC:
500 * Parse the TYPESPEC in the parent's context.
502 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, typespec_context);
504 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_SPEC | nindex);
505 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, name);
510 case MONO_MEMBERREF_PARENT_TYPEDEF:
511 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | nindex);
513 char *name = mono_class_name_from_token (image, MONO_TOKEN_TYPE_DEF | nindex);
514 g_warning ("Missing method %s in assembly %s, type %s", mname, image->name, name);
519 case MONO_MEMBERREF_PARENT_METHODDEF:
520 return mono_get_method (image, MONO_TOKEN_METHOD_DEF | nindex, NULL);
522 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
523 g_assert_not_reached ();
526 mono_class_init (klass);
528 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
529 mono_metadata_decode_blob_size (ptr, &ptr);
531 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
534 case MONO_MEMBERREF_PARENT_TYPEREF:
535 case MONO_MEMBERREF_PARENT_TYPEDEF:
536 method = find_method (klass, NULL, mname, sig);
539 case MONO_MEMBERREF_PARENT_TYPESPEC: {
543 type = &klass->byval_arg;
545 if (type->type != MONO_TYPE_ARRAY && type->type != MONO_TYPE_SZARRAY) {
546 MonoClass *in_class = klass->generic_class ? klass->generic_class->container_class : klass;
547 method = find_method (in_class, NULL, mname, sig);
548 if (method && klass->generic_class) {
549 method = mono_class_inflate_generic_method (method, klass->generic_class->context);
550 method = mono_get_inflated_method (method);
555 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
556 result->klass = klass;
557 result->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
558 result->signature = sig;
559 result->name = mname;
561 if (!strcmp (mname, ".ctor")) {
562 /* we special-case this in the runtime. */
566 if (!strcmp (mname, "Set")) {
567 g_assert (sig->hasthis);
568 g_assert (type->data.array->rank + 1 == sig->param_count);
569 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
573 if (!strcmp (mname, "Get")) {
574 g_assert (sig->hasthis);
575 g_assert (type->data.array->rank == sig->param_count);
576 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
580 if (!strcmp (mname, "Address")) {
581 g_assert (sig->hasthis);
582 g_assert (type->data.array->rank == sig->param_count);
583 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
587 g_assert_not_reached ();
591 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
592 g_assert_not_reached ();
596 char *msig = mono_signature_get_desc (sig, FALSE);
597 GString *s = g_string_new (mname);
598 if (sig->generic_param_count)
599 g_string_append_printf (s, "<[%d]>", sig->generic_param_count);
600 g_string_append_printf (s, "(%s)", msig);
602 msig = g_string_free (s, FALSE);
605 "Missing method %s::%s in assembly %s, referenced in assembly %s",
606 mono_type_get_name (&klass->byval_arg), msig, klass->image->name, image->name);
608 mono_loader_set_error_method_load (klass, mname);
610 mono_metadata_free_method_signature (sig);
616 method_from_methodspec (MonoImage *image, MonoGenericContext *context, guint32 idx)
618 MonoMethod *method, *inflated;
619 MonoTableInfo *tables = image->tables;
620 MonoGenericContext *new_context = NULL;
621 MonoGenericMethod *gmethod;
622 MonoGenericContainer *container = NULL;
624 guint32 cols [MONO_METHODSPEC_SIZE];
625 guint32 token, nindex, param_count;
627 mono_metadata_decode_row (&tables [MONO_TABLE_METHODSPEC], idx - 1, cols, MONO_METHODSPEC_SIZE);
628 token = cols [MONO_METHODSPEC_METHOD];
629 nindex = token >> MONO_METHODDEFORREF_BITS;
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);
636 g_assert (param_count);
639 * Be careful with the two contexts here:
641 * ----------------------------------------
643 * static void Hello<T> (S s, T t) { }
645 * static void Test<U> (U u) {
646 * Foo<U>.Hello<string> (u, "World");
649 * ----------------------------------------
651 * Let's assume we're currently JITing Foo<int>.Test<long>
652 * (ie. `S' is instantiated as `int' and `U' is instantiated as `long').
654 * The call to Hello() is encoded with a MethodSpec with a TypeSpec as parent
655 * (MONO_MEMBERREF_PARENT_TYPESPEC).
657 * The TypeSpec is encoded as `Foo<!!0>', so we need to parse it in the current
658 * context (S=int, U=long) to get the correct `Foo<long>'.
660 * After that, we parse the memberref signature in the new context
661 * (S=int, T=uninstantiated) and get the open generic method `Foo<long>.Hello<T>'.
664 if ((token & MONO_METHODDEFORREF_MASK) == MONO_METHODDEFORREF_METHODDEF)
665 method = mono_get_method_full (image, MONO_TOKEN_METHOD_DEF | nindex, NULL, context);
667 method = method_from_memberref (image, nindex, context);
669 method = mono_get_inflated_method (method);
671 container = method->generic_container;
672 g_assert (container);
674 gmethod = g_new0 (MonoGenericMethod, 1);
675 gmethod->generic_class = method->klass->generic_class;
676 gmethod->container = container;
678 new_context = g_new0 (MonoGenericContext, 1);
679 new_context->container = container;
680 new_context->gmethod = gmethod;
681 if (container->parent)
682 new_context->gclass = container->parent->context.gclass;
685 * When parsing the methodspec signature, we're in the old context again:
687 * ----------------------------------------
689 * static void Hello<T> (T t) { }
691 * static void Test<U> (U u) {
695 * ----------------------------------------
697 * Let's assume we're currently JITing "Foo.Test<float>".
699 * In this case, we already parsed the memberref as "Foo.Hello<T>" and the methodspec
700 * signature is "<!!0>". This means that we must instantiate the method type parameter
701 * `T' from the new method with the method type parameter `U' from the current context;
702 * ie. instantiate the method as `Foo.Hello<float>.
705 gmethod->inst = mono_metadata_parse_generic_inst (image, context, param_count, ptr, &ptr);
708 gmethod->inst = mono_metadata_inflate_generic_inst (gmethod->inst, context);
710 if (!container->method_hash)
711 container->method_hash = g_hash_table_new (
712 (GHashFunc)mono_metadata_generic_method_hash, (GEqualFunc)mono_metadata_generic_method_equal);
714 inflated = g_hash_table_lookup (container->method_hash, gmethod);
717 g_free (new_context);
721 context = new_context;
723 mono_stats.generics_metadata_size += sizeof (MonoGenericMethod) +
724 sizeof (MonoGenericContext) + param_count * sizeof (MonoType);
726 inflated = mono_class_inflate_generic_method (method, new_context);
727 g_hash_table_insert (container->method_hash, gmethod, inflated);
729 new_context->gclass = inflated->klass->generic_class;
733 typedef struct MonoDllMap MonoDllMap;
742 static GHashTable *global_dll_map;
745 mono_dllmap_lookup_hash (GHashTable *dll_map, const char *dll, const char* func, const char **rdll, const char **rfunc) {
746 MonoDllMap *map, *tmp;
755 map = g_hash_table_lookup (dll_map, dll);
757 mono_loader_unlock ();
760 *rdll = map->target? map->target: dll;
762 for (tmp = map->next; tmp; tmp = tmp->next) {
763 if (strcmp (func, tmp->name) == 0) {
767 mono_loader_unlock ();
772 mono_loader_unlock ();
777 mono_dllmap_lookup (MonoImage *assembly, const char *dll, const char* func, const char **rdll, const char **rfunc)
780 if (assembly && assembly->dll_map) {
781 res = mono_dllmap_lookup_hash (assembly->dll_map, dll, func, rdll, rfunc);
785 return mono_dllmap_lookup_hash (global_dll_map, dll, func, rdll, rfunc);
789 mono_dllmap_insert (MonoImage *assembly, const char *dll, const char *func, const char *tdll, const char *tfunc) {
790 MonoDllMap *map, *entry;
791 GHashTable *dll_map = NULL;
797 global_dll_map = g_hash_table_new (g_str_hash, g_str_equal);
798 dll_map = global_dll_map;
800 if (!assembly->dll_map)
801 assembly->dll_map = g_hash_table_new (g_str_hash, g_str_equal);
802 dll_map = assembly->dll_map;
805 map = g_hash_table_lookup (dll_map, dll);
807 map = g_new0 (MonoDllMap, 1);
808 map->dll = g_strdup (dll);
810 map->target = g_strdup (tdll);
811 g_hash_table_insert (dll_map, map->dll, map);
814 entry = g_new0 (MonoDllMap, 1);
815 entry->name = g_strdup (func);
817 entry->target = g_strdup (tfunc);
818 if (tdll && map->target && strcmp (map->target, tdll))
819 entry->dll = g_strdup (tdll);
820 entry->next = map->next;
824 mono_loader_unlock ();
828 mono_lookup_pinvoke_call (MonoMethod *method, const char **exc_class, const char **exc_arg)
830 MonoImage *image = method->klass->image;
831 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
832 MonoTableInfo *tables = image->tables;
833 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
834 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
835 guint32 im_cols [MONO_IMPLMAP_SIZE];
837 const char *import = NULL;
838 const char *orig_scope;
839 const char *new_scope;
840 char *full_name, *file_name;
842 GModule *gmodule = NULL;
844 g_assert (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL);
849 if (method->klass->image->dynamic) {
850 MonoReflectionMethodAux *method_aux =
851 g_hash_table_lookup (
852 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
856 import = method_aux->dllentry;
857 orig_scope = method_aux->dll;
860 if (!piinfo->implmap_idx)
863 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
865 piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
866 import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
867 scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
868 orig_scope = mono_metadata_string_heap (image, scope_token);
871 mono_dllmap_lookup (image, orig_scope, import, &new_scope, &import);
873 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
874 "DllImport attempting to load: '%s'.", new_scope);
881 /* we allow a special name to dlopen from the running process namespace */
882 if (strcmp (new_scope, "__Internal") == 0)
883 gmodule = g_module_open (NULL, G_MODULE_BIND_LAZY);
886 * Try loading the module using a variety of names
888 for (i = 0; i < 4; ++i) {
891 /* Try the original name */
892 file_name = g_strdup (new_scope);
895 /* Try trimming the .dll extension */
896 if (strstr (new_scope, ".dll") == (new_scope + strlen (new_scope) - 4)) {
897 file_name = g_strdup (new_scope);
898 file_name [strlen (new_scope) - 4] = '\0';
904 if (strstr (new_scope, "lib") != new_scope) {
905 file_name = g_strdup_printf ("lib%s", new_scope);
911 #ifndef PLATFORM_WIN32
912 if (!g_ascii_strcasecmp ("user32.dll", new_scope) ||
913 !g_ascii_strcasecmp ("kernel32.dll", new_scope) ||
914 !g_ascii_strcasecmp ("user32", new_scope) ||
915 !g_ascii_strcasecmp ("kernel", new_scope)) {
916 file_name = g_strdup ("libMonoSupportW.so");
920 #ifndef PLATFORM_WIN32
926 full_name = g_module_build_path (NULL, file_name);
927 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
928 "DllImport loading location: '%s'.", full_name);
929 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
931 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
932 "DllImport error loading library: '%s'.",
939 full_name = g_module_build_path (".", file_name);
940 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
941 "DllImport loading library: '%s'.", full_name);
942 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
944 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
945 "DllImport error loading library '%s'.",
952 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
953 "DllImport loading: '%s'.", file_name);
954 gmodule=g_module_open (file_name, G_MODULE_BIND_LAZY);
956 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
957 "DllImport error loading library '%s'.",
969 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_DLLIMPORT,
970 "DllImport unable to load library '%s'.",
974 *exc_class = "DllNotFoundException";
975 *exc_arg = new_scope;
980 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
981 "Searching for '%s'.", import);
983 if (piinfo->piflags & PINVOKE_ATTRIBUTE_NO_MANGLE) {
984 g_module_symbol (gmodule, import, &piinfo->addr);
986 char *mangled_name = NULL, *mangled_name2 = NULL;
989 int mangle_param_count;
990 #ifdef PLATFORM_WIN32
995 * Search using a variety of mangled names
997 for (mangle_charset = 0; mangle_charset <= 1; mangle_charset ++) {
998 for (mangle_stdcall = 0; mangle_stdcall <= 1; mangle_stdcall ++) {
999 gboolean need_param_count = FALSE;
1000 #ifdef PLATFORM_WIN32
1001 if (mangle_stdcall > 0)
1002 need_param_count = TRUE;
1004 for (mangle_param_count = 0; mangle_param_count <= (need_param_count ? 256 : 0); mangle_param_count += 4) {
1009 mangled_name = (char*)import;
1010 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1011 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1012 /* Try the mangled name first */
1013 if (mangle_charset == 0)
1014 mangled_name = g_strconcat (import, "W", NULL);
1016 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1017 #ifdef PLATFORM_WIN32
1018 if (mangle_charset == 0)
1019 mangled_name = g_strconcat (import, "W", NULL);
1022 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1024 /* Try the mangled name last */
1025 if (mangle_charset == 1)
1026 mangled_name = g_strconcat (import, "A", NULL);
1030 #ifdef PLATFORM_WIN32
1031 if (mangle_param_count == 0)
1032 param_count = mono_method_signature (method)->param_count * sizeof (gpointer);
1034 /* Try brute force, since it would be very hard to compute the stack usage correctly */
1035 param_count = mangle_param_count;
1037 /* Try the stdcall mangled name */
1039 * gcc under windows creates mangled names without the underscore, but MS.NET
1040 * doesn't support it, so we doesn't support it either.
1042 if (mangle_stdcall == 1)
1043 mangled_name2 = g_strdup_printf ("_%s@%d", mangled_name, param_count);
1045 mangled_name2 = mangled_name;
1047 mangled_name2 = mangled_name;
1050 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
1051 "Probing '%s'.", mangled_name2);
1053 g_module_symbol (gmodule, mangled_name2, &piinfo->addr);
1056 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
1057 "Found as '%s'.", mangled_name2);
1059 if (mangled_name != mangled_name2)
1060 g_free (mangled_name2);
1061 if (mangled_name != import)
1062 g_free (mangled_name);
1068 if (!piinfo->addr) {
1070 *exc_class = "EntryPointNotFoundException";
1075 return piinfo->addr;
1079 mono_get_method_from_token (MonoImage *image, guint32 token, MonoClass *klass,
1080 MonoGenericContext *context)
1083 int table = mono_metadata_token_table (token);
1084 int idx = mono_metadata_token_index (token);
1085 MonoTableInfo *tables = image->tables;
1086 MonoGenericContainer *generic_container = NULL, *container = NULL;
1087 const char *sig = NULL;
1089 guint32 cols [MONO_TYPEDEF_SIZE];
1092 return mono_lookup_dynamic_token (image, token);
1094 if (table != MONO_TABLE_METHOD) {
1095 if (table == MONO_TABLE_METHODSPEC)
1096 return method_from_methodspec (image, context, idx);
1097 if (table != MONO_TABLE_MEMBERREF)
1098 g_print("got wrong token: 0x%08x\n", token);
1099 g_assert (table == MONO_TABLE_MEMBERREF);
1100 result = method_from_memberref (image, idx, context);
1105 mono_metadata_decode_row (&tables [table], idx - 1, cols, 6);
1107 if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
1108 (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))
1109 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
1111 result = (MonoMethod *)g_new0 (MonoMethodNormal, 1);
1114 guint32 type = mono_metadata_typedef_from_method (image, token);
1115 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
1119 result->klass = klass;
1120 result->flags = cols [2];
1121 result->iflags = cols [1];
1122 result->token = token;
1123 result->name = mono_metadata_string_heap (image, cols [3]);
1125 container = klass->generic_container;
1126 generic_container = mono_metadata_load_generic_params (image, token, container);
1127 if (generic_container) {
1128 mono_metadata_load_generic_param_constraints (image, token, generic_container);
1130 for (i = 0; i < generic_container->type_argc; i++) {
1131 generic_container->type_params [i].method = result;
1133 mono_class_from_generic_parameter (
1134 &generic_container->type_params [i], image, TRUE);
1137 container = generic_container;
1140 if (!sig) /* already taken from the methodref */
1141 sig = mono_metadata_blob_heap (image, cols [4]);
1142 size = mono_metadata_decode_blob_size (sig, &sig);
1144 /* there are generic params, or a container. FIXME: be lazy here for generics*/
1145 if (* sig & 0x10 || container) {
1146 result->signature = mono_metadata_parse_method_signature_full (
1147 image, container, idx, sig, NULL);
1149 /* Verify metadata consistency */
1150 if (result->signature->generic_param_count) {
1151 if (!container || !container->is_method)
1152 g_error ("Signature claims method has generic parameters, but generic_params table says it doesn't");
1153 if (container->type_argc != result->signature->generic_param_count)
1154 g_error ("Inconsistent generic parameter count. Signature says %d, generic_params table says %d",
1155 result->signature->generic_param_count, container->type_argc);
1156 } else if (container && container->is_method && container->type_argc)
1157 g_error ("generic_params table claims method has generic parameters, but signature says it doesn't");
1159 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
1160 result->signature->pinvoke = 1;
1163 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
1164 if (result->klass == mono_defaults.string_class && !strcmp (result->name, ".ctor"))
1165 result->string_ctor = 1;
1166 } else if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
1167 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)result;
1168 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
1170 piinfo->implmap_idx = mono_metadata_implmap_from_method (image, idx - 1);
1171 piinfo->piflags = mono_metadata_decode_row_col (im, piinfo->implmap_idx - 1, MONO_IMPLMAP_FLAGS);
1174 /* FIXME: lazyness for generics too, but how? */
1175 if (!result->klass->dummy && !(result->flags & METHOD_ATTRIBUTE_ABSTRACT) &&
1176 !(cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
1177 !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) && container) {
1178 gpointer loc = mono_image_rva_map (image, cols [0]);
1180 ((MonoMethodNormal *) result)->header = mono_metadata_parse_mh_full (
1181 image, (MonoGenericContext *) container, loc);
1184 result->generic_container = generic_container;
1190 mono_get_method (MonoImage *image, guint32 token, MonoClass *klass)
1192 return mono_get_method_full (image, token, klass, NULL);
1196 mono_get_method_full (MonoImage *image, guint32 token, MonoClass *klass,
1197 MonoGenericContext *context)
1201 /* We do everything inside the lock to prevent creation races */
1203 mono_loader_lock ();
1205 if ((result = g_hash_table_lookup (image->method_cache, GINT_TO_POINTER (token)))) {
1206 mono_loader_unlock ();
1210 result = mono_get_method_from_token (image, token, klass, context);
1212 //printf ("GET: %s\n", mono_method_full_name (result, TRUE));
1214 if (!(result && result->is_inflated))
1215 g_hash_table_insert (image->method_cache, GINT_TO_POINTER (token), result);
1217 mono_loader_unlock ();
1223 * mono_get_method_constrained:
1225 * This is used when JITing the `constrained.' opcode.
1228 mono_get_method_constrained (MonoImage *image, guint32 token, MonoClass *constrained_class,
1229 MonoGenericContext *context)
1231 MonoMethod *method, *result;
1232 MonoClass *ic = NULL;
1233 MonoGenericClass *gclass = NULL;
1235 mono_loader_lock ();
1237 method = mono_get_method_from_token (image, token, NULL, context);
1239 mono_loader_unlock ();
1243 mono_class_init (constrained_class);
1244 method = mono_get_inflated_method (method);
1246 if ((constrained_class != method->klass) && (method->klass->interface_id != 0))
1249 if (constrained_class->generic_class)
1250 gclass = constrained_class->generic_class;
1252 result = find_method (constrained_class, ic, method->name, mono_method_signature (method));
1254 g_warning ("Missing method %s in assembly %s token %x", method->name,
1255 image->name, token);
1258 result = mono_class_inflate_generic_method (result, gclass->context);
1260 mono_loader_unlock ();
1265 mono_free_method (MonoMethod *method)
1267 if (method->signature) {
1269 * FIXME: This causes crashes because the types inside signatures and
1270 * locals are shared.
1272 /* mono_metadata_free_method_signature (method->signature); */
1273 g_free (method->signature);
1276 if (method->dynamic) {
1277 MonoMethodWrapper *mw = (MonoMethodWrapper*)method;
1279 g_free ((char*)method->name);
1280 if (mw->method.header)
1281 g_free ((char*)mw->method.header->code);
1282 g_free (mw->method_data);
1285 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && ((MonoMethodNormal *)method)->header) {
1287 /* mono_metadata_free_mh (((MonoMethodNormal *)method)->header); */
1288 g_free (((MonoMethodNormal*)method)->header);
1295 mono_method_get_param_names (MonoMethod *method, const char **names)
1298 MonoClass *klass = method->klass;
1299 MonoTableInfo *methodt;
1300 MonoTableInfo *paramt;
1303 if (!mono_method_signature (method)->param_count)
1305 for (i = 0; i < mono_method_signature (method)->param_count; ++i)
1308 if (klass->generic_class) /* copy the names later */
1311 mono_class_init (klass);
1313 if (klass->image->dynamic) {
1314 MonoReflectionMethodAux *method_aux =
1315 g_hash_table_lookup (
1316 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1317 if (method_aux && method_aux->param_names) {
1318 for (i = 0; i < mono_method_signature (method)->param_count; ++i)
1319 if (method_aux->param_names [i + 1])
1320 names [i] = method_aux->param_names [i + 1];
1325 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1326 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1327 idx = mono_method_get_index (method);
1329 guint32 cols [MONO_PARAM_SIZE];
1330 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1332 if (idx < methodt->rows)
1333 lastp = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1335 lastp = paramt->rows + 1;
1336 for (i = param_index; i < lastp; ++i) {
1337 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1338 if (cols [MONO_PARAM_SEQUENCE]) /* skip return param spec */
1339 names [cols [MONO_PARAM_SEQUENCE] - 1] = mono_metadata_string_heap (klass->image, cols [MONO_PARAM_NAME]);
1346 mono_method_get_param_token (MonoMethod *method, int index)
1348 MonoClass *klass = method->klass;
1349 MonoTableInfo *methodt;
1352 if (klass->generic_class)
1353 g_assert_not_reached ();
1355 mono_class_init (klass);
1357 if (klass->image->dynamic) {
1358 g_assert_not_reached ();
1361 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1362 idx = mono_method_get_index (method);
1364 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1366 return mono_metadata_make_token (MONO_TABLE_PARAM, param_index + index);
1373 mono_method_get_marshal_info (MonoMethod *method, MonoMarshalSpec **mspecs)
1376 MonoClass *klass = method->klass;
1377 MonoTableInfo *methodt;
1378 MonoTableInfo *paramt;
1381 for (i = 0; i < mono_method_signature (method)->param_count + 1; ++i)
1384 if (method->klass->image->dynamic) {
1385 MonoReflectionMethodAux *method_aux =
1386 g_hash_table_lookup (
1387 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1388 if (method_aux && method_aux->param_marshall) {
1389 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1390 for (i = 0; i < mono_method_signature (method)->param_count + 1; ++i)
1391 if (dyn_specs [i]) {
1392 mspecs [i] = g_new0 (MonoMarshalSpec, 1);
1393 memcpy (mspecs [i], dyn_specs [i], sizeof (MonoMarshalSpec));
1399 mono_class_init (klass);
1401 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1402 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1403 idx = mono_method_get_index (method);
1405 guint32 cols [MONO_PARAM_SIZE];
1406 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1408 if (idx < methodt->rows)
1409 lastp = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1411 lastp = paramt->rows + 1;
1413 for (i = param_index; i < lastp; ++i) {
1414 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1416 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL) {
1418 tp = mono_metadata_get_marshal_info (klass->image, i - 1, FALSE);
1420 mspecs [cols [MONO_PARAM_SEQUENCE]]= mono_metadata_parse_marshal_spec (klass->image, tp);
1429 mono_method_has_marshal_info (MonoMethod *method)
1432 MonoClass *klass = method->klass;
1433 MonoTableInfo *methodt;
1434 MonoTableInfo *paramt;
1437 if (method->klass->image->dynamic) {
1438 MonoReflectionMethodAux *method_aux =
1439 g_hash_table_lookup (
1440 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1441 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1443 for (i = 0; i < mono_method_signature (method)->param_count + 1; ++i)
1450 mono_class_init (klass);
1452 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1453 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1454 idx = mono_method_get_index (method);
1456 guint32 cols [MONO_PARAM_SIZE];
1457 guint param_index = mono_metadata_decode_row_col (methodt, idx - 1, MONO_METHOD_PARAMLIST);
1459 if (idx + 1 < methodt->rows)
1460 lastp = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1462 lastp = paramt->rows + 1;
1464 for (i = param_index; i < lastp; ++i) {
1465 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1467 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL)
1476 mono_method_get_wrapper_data (MonoMethod *method, guint32 id)
1479 g_assert (method != NULL);
1480 g_assert (method->wrapper_type != MONO_WRAPPER_NONE);
1482 data = ((MonoMethodWrapper *)method)->method_data;
1483 g_assert (data != NULL);
1484 g_assert (id <= GPOINTER_TO_UINT (*data));
1489 default_stack_walk (MonoStackWalk func, gboolean do_il_offset, gpointer user_data) {
1490 g_error ("stack walk not installed");
1493 static MonoStackWalkImpl stack_walk = default_stack_walk;
1496 mono_stack_walk (MonoStackWalk func, gpointer user_data)
1498 stack_walk (func, TRUE, user_data);
1502 mono_stack_walk_no_il (MonoStackWalk func, gpointer user_data)
1504 stack_walk (func, FALSE, user_data);
1508 mono_install_stack_walk (MonoStackWalkImpl func)
1514 last_managed (MonoMethod *m, gint no, gint ilo, gboolean managed, gpointer data)
1516 MonoMethod **dest = data;
1518 /*g_print ("In %s::%s [%d] [%d]\n", m->klass->name, m->name, no, ilo);*/
1524 mono_method_get_last_managed (void)
1526 MonoMethod *m = NULL;
1527 stack_walk (last_managed, FALSE, &m);
1532 mono_loader_lock (void)
1534 EnterCriticalSection (&loader_mutex);
1538 mono_loader_unlock (void)
1540 LeaveCriticalSection (&loader_mutex);
1543 MonoMethodSignature*
1544 mono_method_signature (MonoMethod *m)
1546 m = mono_get_inflated_method (m);
1547 return mono_method_signature_full (m, NULL);
1550 MonoMethodSignature*
1551 mono_method_signature_full (MonoMethod *m, MonoGenericContainer *container)
1559 return m->signature;
1561 mono_loader_lock ();
1564 mono_loader_unlock ();
1565 return m->signature;
1568 g_assert (mono_metadata_token_table (m->token) == MONO_TABLE_METHOD);
1569 idx = mono_metadata_token_index (m->token);
1570 img = m->klass->image;
1572 sig = mono_metadata_blob_heap (img, mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_SIGNATURE));
1573 size = mono_metadata_decode_blob_size (sig, &sig);
1575 m->signature = mono_metadata_parse_method_signature_full (img, container, idx, sig, NULL);
1577 if (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
1578 m->signature->pinvoke = 1;
1579 else if ((m->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(m->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
1580 MonoCallConvention conv = 0;
1581 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)m;
1582 m->signature->pinvoke = 1;
1584 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CALL_CONV_MASK) {
1585 case 0: /* no call conv, so using default */
1586 case PINVOKE_ATTRIBUTE_CALL_CONV_WINAPI:
1587 conv = MONO_CALL_DEFAULT;
1589 case PINVOKE_ATTRIBUTE_CALL_CONV_CDECL:
1592 case PINVOKE_ATTRIBUTE_CALL_CONV_STDCALL:
1593 conv = MONO_CALL_STDCALL;
1595 case PINVOKE_ATTRIBUTE_CALL_CONV_THISCALL:
1596 conv = MONO_CALL_THISCALL;
1598 case PINVOKE_ATTRIBUTE_CALL_CONV_FASTCALL:
1599 conv = MONO_CALL_FASTCALL;
1601 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERIC:
1602 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERICINST:
1604 g_warning ("unsupported calling convention : 0x%04x", piinfo->piflags);
1605 g_assert_not_reached ();
1607 m->signature->call_convention = conv;
1610 mono_loader_unlock ();
1611 return m->signature;
1615 mono_method_get_name (MonoMethod *method)
1617 return method->name;
1621 mono_method_get_class (MonoMethod *method)
1623 return method->klass;
1627 mono_method_get_token (MonoMethod *method)
1629 return method->token;
1633 mono_method_get_header (MonoMethod *method)
1639 MonoMethodNormal* mn = (MonoMethodNormal*) method;
1641 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))
1645 if (G_LIKELY (mn->header))
1651 mono_loader_lock ();
1654 mono_loader_unlock ();
1658 g_assert (mono_metadata_token_table (method->token) == MONO_TABLE_METHOD);
1659 idx = mono_metadata_token_index (method->token);
1660 img = method->klass->image;
1661 rva = mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_RVA);
1662 loc = mono_image_rva_map (img, rva);
1666 mn->header = mono_metadata_parse_mh_full (img, (MonoGenericContext *) method->generic_container, loc);
1668 mono_loader_unlock ();
1673 mono_method_get_flags (MonoMethod *method, guint32 *iflags)
1676 *iflags = method->iflags;
1677 return method->flags;
1681 * Find the method index in the metadata methodDef table.
1684 mono_method_get_index (MonoMethod *method) {
1685 MonoClass *klass = method->klass;
1689 return mono_metadata_token_index (method->token);
1691 mono_class_setup_methods (klass);
1692 for (i = 0; i < klass->method.count; ++i) {
1693 if (method == klass->methods [i])
1694 return klass->method.first + 1 + i;