2 * class.c: Class management for the Mono runtime
5 * Miguel de Icaza (miguel@ximian.com)
7 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
8 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
20 #include <mono/io-layer/atomic.h>
22 #include <mono/metadata/image.h>
23 #include <mono/metadata/assembly.h>
24 #include <mono/metadata/metadata.h>
25 #include <mono/metadata/metadata-internals.h>
26 #include <mono/metadata/profiler-private.h>
27 #include <mono/metadata/tabledefs.h>
28 #include <mono/metadata/tokentype.h>
29 #include <mono/metadata/class-internals.h>
30 #include <mono/metadata/object.h>
31 #include <mono/metadata/appdomain.h>
32 #include <mono/metadata/mono-endian.h>
33 #include <mono/metadata/debug-helpers.h>
34 #include <mono/metadata/reflection.h>
35 #include <mono/metadata/exception.h>
36 #include <mono/metadata/security-manager.h>
37 #include <mono/metadata/security-core-clr.h>
38 #include <mono/metadata/attrdefs.h>
39 #include <mono/metadata/gc-internal.h>
40 #include <mono/metadata/verify-internals.h>
41 #include <mono/metadata/mono-debug.h>
42 #include <mono/utils/mono-counters.h>
46 gboolean mono_print_vtable = FALSE;
49 * Controls whenever mono_class_init () constructs a generic vtable. This is TRUE by
50 * default to avoid breaking embedding apps, but set to FALSE by the runtime executable
53 gboolean mono_setup_vtable_in_class_init = TRUE;
56 guint32 inflated_classes, inflated_classes_size, inflated_methods_size;
57 guint32 classes_size, class_ext_size;
59 /* Function supplied by the runtime to find classes by name using information from the AOT file */
60 static MonoGetClassFromName get_class_from_name = NULL;
62 static MonoClass * mono_class_create_from_typedef (MonoImage *image, guint32 type_token);
63 static gboolean mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res);
64 static gboolean can_access_type (MonoClass *access_klass, MonoClass *member_klass);
65 static MonoMethod* find_method_in_metadata (MonoClass *klass, const char *name, int param_count, int flags);
66 static int generic_array_methods (MonoClass *class);
67 static void setup_generic_array_ifaces (MonoClass *class, MonoClass *iface, MonoMethod **methods, int pos);
69 static MonoMethod* mono_class_get_virtual_methods (MonoClass* klass, gpointer *iter);
71 void (*mono_debugger_class_init_func) (MonoClass *klass) = NULL;
72 void (*mono_debugger_class_loaded_methods_func) (MonoClass *klass) = NULL;
75 * mono_class_from_typeref:
77 * @type_token: a TypeRef token
79 * Creates the MonoClass* structure representing the type defined by
80 * the typeref token valid inside @image.
81 * Returns: the MonoClass* representing the typeref token, NULL ifcould
85 mono_class_from_typeref (MonoImage *image, guint32 type_token)
87 guint32 cols [MONO_TYPEREF_SIZE];
88 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
90 const char *name, *nspace;
94 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
96 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
97 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
99 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
100 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
101 case MONO_RESOLTION_SCOPE_MODULE:
103 g_error ("null ResolutionScope not yet handled");
104 /* a typedef in disguise */
105 return mono_class_from_name (image, nspace, name);
106 case MONO_RESOLTION_SCOPE_MODULEREF:
107 module = mono_image_load_module (image, idx);
109 return mono_class_from_name (module, nspace, name);
111 char *msg = g_strdup_printf ("%s%s%s", nspace, nspace [0] ? "." : "", name);
114 human_name = mono_stringify_assembly_name (&image->assembly->aname);
115 mono_loader_set_error_type_load (msg, human_name);
121 case MONO_RESOLTION_SCOPE_TYPEREF: {
122 MonoClass *enclosing = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | idx);
125 if (enclosing->nested_classes_inited && enclosing->ext) {
126 /* Micro-optimization: don't scan the metadata tables if enclosing is already inited */
127 for (tmp = enclosing->ext->nested_classes; tmp; tmp = tmp->next) {
129 if (strcmp (res->name, name) == 0)
133 /* Don't call mono_class_init as we might've been called by it recursively */
134 int i = mono_metadata_nesting_typedef (enclosing->image, enclosing->type_token, 1);
136 guint32 class_nested = mono_metadata_decode_row_col (&enclosing->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, MONO_NESTED_CLASS_NESTED);
137 guint32 string_offset = mono_metadata_decode_row_col (&enclosing->image->tables [MONO_TABLE_TYPEDEF], class_nested - 1, MONO_TYPEDEF_NAME);
138 const char *nname = mono_metadata_string_heap (enclosing->image, string_offset);
140 if (strcmp (nname, name) == 0)
141 return mono_class_create_from_typedef (enclosing->image, MONO_TOKEN_TYPE_DEF | class_nested);
143 i = mono_metadata_nesting_typedef (enclosing->image, enclosing->type_token, i + 1);
146 g_warning ("TypeRef ResolutionScope not yet handled (%d) for %s.%s in image %s", idx, nspace, name, image->name);
149 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
153 if (!image->references || !image->references [idx - 1])
154 mono_assembly_load_reference (image, idx - 1);
155 g_assert (image->references [idx - 1]);
157 /* If the assembly did not load, register this as a type load exception */
158 if (image->references [idx - 1] == REFERENCE_MISSING){
159 MonoAssemblyName aname;
162 mono_assembly_get_assemblyref (image, idx - 1, &aname);
163 human_name = mono_stringify_assembly_name (&aname);
164 mono_loader_set_error_assembly_load (human_name, image->assembly->ref_only);
170 return mono_class_from_name (image->references [idx - 1]->image, nspace, name);
175 mono_mempool_dup (MonoMemPool *mp, void *data, guint size)
177 void *res = mono_mempool_alloc (mp, size);
178 memcpy (res, data, size);
182 /* Copy everything mono_metadata_free_array free. */
184 mono_dup_array_type (MonoMemPool *mp, MonoArrayType *a)
188 a = mono_mempool_dup (mp, a, sizeof (MonoArrayType));
190 a->sizes = mono_mempool_dup (mp, a->sizes, a->numsizes * sizeof (int));
192 a->lobounds = mono_mempool_dup (mp, a->lobounds, a->numlobounds * sizeof (int));
193 mono_loader_unlock ();
195 a = g_memdup (a, sizeof (MonoArrayType));
197 a->sizes = g_memdup (a->sizes, a->numsizes * sizeof (int));
199 a->lobounds = g_memdup (a->lobounds, a->numlobounds * sizeof (int));
204 /* Copy everything mono_metadata_free_method_signature free. */
206 mono_metadata_signature_deep_dup (MonoMemPool *mp, MonoMethodSignature *sig)
210 sig = mono_metadata_signature_dup_full (mp, sig);
212 sig->ret = mono_metadata_type_dup (mp, sig->ret);
213 for (i = 0; i < sig->param_count; ++i)
214 sig->params [i] = mono_metadata_type_dup (mp, sig->params [i]);
220 _mono_type_get_assembly_name (MonoClass *klass, GString *str)
222 MonoAssembly *ta = klass->image->assembly;
224 g_string_append_printf (
225 str, ", %s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
227 ta->aname.major, ta->aname.minor, ta->aname.build, ta->aname.revision,
228 ta->aname.culture && *ta->aname.culture? ta->aname.culture: "neutral",
229 ta->aname.public_key_token [0] ? (char *)ta->aname.public_key_token : "null",
230 (ta->aname.flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
234 mono_type_name_check_byref (MonoType *type, GString *str)
237 g_string_append_c (str, '&');
241 mono_type_get_name_recurse (MonoType *type, GString *str, gboolean is_recursed,
242 MonoTypeNameFormat format)
246 switch (type->type) {
247 case MONO_TYPE_ARRAY: {
248 int i, rank = type->data.array->rank;
249 MonoTypeNameFormat nested_format;
251 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
252 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
254 mono_type_get_name_recurse (
255 &type->data.array->eklass->byval_arg, str, FALSE, nested_format);
256 g_string_append_c (str, '[');
258 g_string_append_c (str, '*');
259 for (i = 1; i < rank; i++)
260 g_string_append_c (str, ',');
261 g_string_append_c (str, ']');
263 mono_type_name_check_byref (type, str);
265 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
266 _mono_type_get_assembly_name (type->data.array->eklass, str);
269 case MONO_TYPE_SZARRAY: {
270 MonoTypeNameFormat nested_format;
272 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
273 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
275 mono_type_get_name_recurse (
276 &type->data.klass->byval_arg, str, FALSE, nested_format);
277 g_string_append (str, "[]");
279 mono_type_name_check_byref (type, str);
281 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
282 _mono_type_get_assembly_name (type->data.klass, str);
285 case MONO_TYPE_PTR: {
286 MonoTypeNameFormat nested_format;
288 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
289 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
291 mono_type_get_name_recurse (
292 type->data.type, str, FALSE, nested_format);
293 g_string_append_c (str, '*');
295 mono_type_name_check_byref (type, str);
297 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
298 _mono_type_get_assembly_name (mono_class_from_mono_type (type->data.type), str);
303 g_assert (type->data.generic_param->name);
304 g_string_append (str, type->data.generic_param->name);
306 mono_type_name_check_byref (type, str);
310 klass = mono_class_from_mono_type (type);
311 if (klass->nested_in) {
312 mono_type_get_name_recurse (
313 &klass->nested_in->byval_arg, str, TRUE, format);
314 if (format == MONO_TYPE_NAME_FORMAT_IL)
315 g_string_append_c (str, '.');
317 g_string_append_c (str, '+');
318 } else if (*klass->name_space) {
319 g_string_append (str, klass->name_space);
320 g_string_append_c (str, '.');
322 if (format == MONO_TYPE_NAME_FORMAT_IL) {
323 char *s = strchr (klass->name, '`');
324 int len = s ? s - klass->name : strlen (klass->name);
326 g_string_append_len (str, klass->name, len);
328 g_string_append (str, klass->name);
331 if (klass->generic_class) {
332 MonoGenericClass *gclass = klass->generic_class;
333 MonoGenericInst *inst = gclass->context.class_inst;
334 MonoTypeNameFormat nested_format;
337 nested_format = format == MONO_TYPE_NAME_FORMAT_FULL_NAME ?
338 MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED : format;
340 if (format == MONO_TYPE_NAME_FORMAT_IL)
341 g_string_append_c (str, '<');
343 g_string_append_c (str, '[');
344 for (i = 0; i < inst->type_argc; i++) {
345 MonoType *t = inst->type_argv [i];
348 g_string_append_c (str, ',');
349 if ((nested_format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
350 (t->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
351 g_string_append_c (str, '[');
352 mono_type_get_name_recurse (inst->type_argv [i], str, FALSE, nested_format);
353 if ((nested_format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
354 (t->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
355 g_string_append_c (str, ']');
357 if (format == MONO_TYPE_NAME_FORMAT_IL)
358 g_string_append_c (str, '>');
360 g_string_append_c (str, ']');
361 } else if (klass->generic_container &&
362 (format != MONO_TYPE_NAME_FORMAT_FULL_NAME) &&
363 (format != MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)) {
366 if (format == MONO_TYPE_NAME_FORMAT_IL)
367 g_string_append_c (str, '<');
369 g_string_append_c (str, '[');
370 for (i = 0; i < klass->generic_container->type_argc; i++) {
372 g_string_append_c (str, ',');
373 g_string_append (str, klass->generic_container->type_params [i].name);
375 if (format == MONO_TYPE_NAME_FORMAT_IL)
376 g_string_append_c (str, '>');
378 g_string_append_c (str, ']');
381 mono_type_name_check_byref (type, str);
383 if ((format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
384 (type->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
385 _mono_type_get_assembly_name (klass, str);
391 * mono_type_get_name:
393 * @format: the format for the return string.
396 * Returns: the string representation in a number of formats:
398 * if format is MONO_TYPE_NAME_FORMAT_REFLECTION, the return string is
399 * returned in the formatrequired by System.Reflection, this is the
400 * inverse of mono_reflection_parse_type ().
402 * if format is MONO_TYPE_NAME_FORMAT_IL, it returns a syntax that can
403 * be used by the IL assembler.
405 * if format is MONO_TYPE_NAME_FORMAT_FULL_NAME
407 * if format is MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED
410 mono_type_get_name_full (MonoType *type, MonoTypeNameFormat format)
414 result = g_string_new ("");
416 mono_type_get_name_recurse (type, result, FALSE, format);
418 return g_string_free (result, FALSE);
422 * mono_type_get_full_name:
425 * Returns: the string representation for type as required by System.Reflection.
426 * The inverse of mono_reflection_parse_type ().
429 mono_type_get_full_name (MonoClass *class)
431 return mono_type_get_name_full (mono_class_get_type (class), MONO_TYPE_NAME_FORMAT_REFLECTION);
435 * mono_type_get_name:
438 * Returns: the string representation for type as it would be represented in IL code.
441 mono_type_get_name (MonoType *type)
443 return mono_type_get_name_full (type, MONO_TYPE_NAME_FORMAT_IL);
447 * mono_type_get_underlying_type:
450 * Returns: the MonoType for the underlying integer type if @type
451 * is an enum and byref is false, otherwise the type itself.
454 mono_type_get_underlying_type (MonoType *type)
456 if (type->type == MONO_TYPE_VALUETYPE && type->data.klass->enumtype && !type->byref)
457 return mono_class_enum_basetype (type->data.klass);
458 if (type->type == MONO_TYPE_GENERICINST && type->data.generic_class->container_class->enumtype && !type->byref)
459 return mono_class_enum_basetype (type->data.generic_class->container_class);
464 * mono_class_is_open_constructed_type:
467 * Returns TRUE if type represents a generics open constructed type
468 * (not all the type parameters required for the instantiation have
472 mono_class_is_open_constructed_type (MonoType *t)
478 case MONO_TYPE_SZARRAY:
479 return mono_class_is_open_constructed_type (&t->data.klass->byval_arg);
480 case MONO_TYPE_ARRAY:
481 return mono_class_is_open_constructed_type (&t->data.array->eklass->byval_arg);
483 return mono_class_is_open_constructed_type (t->data.type);
484 case MONO_TYPE_GENERICINST:
485 return t->data.generic_class->context.class_inst->is_open;
492 inflate_generic_type (MonoMemPool *mempool, MonoType *type, MonoGenericContext *context)
494 switch (type->type) {
495 case MONO_TYPE_MVAR: {
497 int num = type->data.generic_param->num;
498 MonoGenericInst *inst = context->method_inst;
499 if (!inst || !inst->type_argv)
501 if (num >= inst->type_argc)
502 g_error ("MVAR %d (%s) cannot be expanded in this context with %d instantiations", num, type->data.generic_param->name, inst->type_argc);
505 * Note that the VAR/MVAR cases are different from the rest. The other cases duplicate @type,
506 * while the VAR/MVAR duplicates a type from the context. So, we need to ensure that the
507 * ->byref and ->attrs from @type are propagated to the returned type.
509 nt = mono_metadata_type_dup (mempool, inst->type_argv [num]);
510 nt->byref = type->byref;
511 nt->attrs = type->attrs;
514 case MONO_TYPE_VAR: {
516 int num = type->data.generic_param->num;
517 MonoGenericInst *inst = context->class_inst;
520 if (num >= inst->type_argc)
521 g_error ("VAR %d (%s) cannot be expanded in this context with %d instantiations", num, type->data.generic_param->name, inst->type_argc);
522 nt = mono_metadata_type_dup (mempool, inst->type_argv [num]);
523 nt->byref = type->byref;
524 nt->attrs = type->attrs;
527 case MONO_TYPE_SZARRAY: {
528 MonoClass *eclass = type->data.klass;
529 MonoType *nt, *inflated = inflate_generic_type (NULL, &eclass->byval_arg, context);
532 nt = mono_metadata_type_dup (mempool, type);
533 nt->data.klass = mono_class_from_mono_type (inflated);
534 mono_metadata_free_type (inflated);
537 case MONO_TYPE_ARRAY: {
538 MonoClass *eclass = type->data.array->eklass;
539 MonoType *nt, *inflated = inflate_generic_type (NULL, &eclass->byval_arg, context);
542 nt = mono_metadata_type_dup (mempool, type);
543 nt->data.array = g_memdup (nt->data.array, sizeof (MonoArrayType));
544 nt->data.array->eklass = mono_class_from_mono_type (inflated);
545 mono_metadata_free_type (inflated);
548 case MONO_TYPE_GENERICINST: {
549 MonoGenericClass *gclass = type->data.generic_class;
550 MonoGenericInst *inst;
552 if (!gclass->context.class_inst->is_open)
555 inst = mono_metadata_inflate_generic_inst (gclass->context.class_inst, context);
556 if (inst != gclass->context.class_inst)
557 gclass = mono_metadata_lookup_generic_class (gclass->container_class, inst, gclass->is_dynamic);
559 if (gclass == type->data.generic_class)
562 nt = mono_metadata_type_dup (mempool, type);
563 nt->data.generic_class = gclass;
566 case MONO_TYPE_CLASS:
567 case MONO_TYPE_VALUETYPE: {
568 MonoClass *klass = type->data.klass;
569 MonoGenericContainer *container = klass->generic_container;
570 MonoGenericInst *inst;
571 MonoGenericClass *gclass = NULL;
577 /* We can't use context->class_inst directly, since it can have more elements */
578 inst = mono_metadata_inflate_generic_inst (container->context.class_inst, context);
579 if (inst == container->context.class_inst)
582 gclass = mono_metadata_lookup_generic_class (klass, inst, klass->image->dynamic);
584 nt = mono_metadata_type_dup (mempool, type);
585 nt->type = MONO_TYPE_GENERICINST;
586 nt->data.generic_class = gclass;
596 mono_generic_class_get_context (MonoGenericClass *gclass)
598 return &gclass->context;
602 mono_class_get_context (MonoClass *class)
604 return class->generic_class ? mono_generic_class_get_context (class->generic_class) : NULL;
608 * mono_class_get_generic_container:
610 * Return the generic container of KLASS which should be a generic type definition.
612 MonoGenericContainer*
613 mono_class_get_generic_container (MonoClass *klass)
615 g_assert (klass->is_generic);
617 return klass->generic_container;
621 * mono_class_get_generic_class:
623 * Return the MonoGenericClass of KLASS, which should be a generic instance.
626 mono_class_get_generic_class (MonoClass *klass)
628 g_assert (klass->is_inflated);
630 return klass->generic_class;
634 * mono_class_inflate_generic_type_with_mempool:
635 * @mempool: a mempool
637 * @context: a generics context
639 * The same as mono_class_inflate_generic_type, but allocates the MonoType
640 * from mempool if it is non-NULL. If it is NULL, the MonoType is
641 * allocated on the heap and is owned by the caller.
642 * The returned type can potentially be the same as TYPE, so it should not be
643 * modified by the caller, and it should be freed using mono_metadata_free_type ().
646 mono_class_inflate_generic_type_with_mempool (MonoMemPool *mempool, MonoType *type, MonoGenericContext *context)
648 MonoType *inflated = NULL;
651 inflated = inflate_generic_type (mempool, type, context);
654 MonoType *shared = mono_metadata_get_shared_type (type);
659 return mono_metadata_type_dup (mempool, type);
663 mono_stats.inflated_type_count++;
668 * mono_class_inflate_generic_type:
670 * @context: a generics context
672 * If @type is a generic type and @context is not NULL, instantiate it using the
673 * generics context @context.
675 * Returns: the instantiated type or a copy of @type. The returned MonoType is allocated
676 * on the heap and is owned by the caller.
679 mono_class_inflate_generic_type (MonoType *type, MonoGenericContext *context)
681 return mono_class_inflate_generic_type_with_mempool (NULL, type, context);
685 * mono_class_inflate_generic_type_with_mempool_no_copy:
687 * Same as inflate_generic_type_with_mempool, but return TYPE if no inflation
691 mono_class_inflate_generic_type_with_mempool_no_copy (MonoMemPool *mempool, MonoType *type, MonoGenericContext *context)
693 MonoType *inflated = NULL;
696 inflated = inflate_generic_type (mempool, type, context);
701 mono_stats.inflated_type_count++;
706 * mono_class_inflate_generic_class:
708 * Inflate the class GKLASS with CONTEXT.
711 mono_class_inflate_generic_class (MonoClass *gklass, MonoGenericContext *context)
716 inflated = mono_class_inflate_generic_type (&gklass->byval_arg, context);
718 res = mono_class_from_mono_type (inflated);
719 mono_metadata_free_type (inflated);
724 static MonoGenericContext
725 inflate_generic_context (MonoGenericContext *context, MonoGenericContext *inflate_with)
727 MonoGenericInst *class_inst = NULL;
728 MonoGenericInst *method_inst = NULL;
729 MonoGenericContext res;
731 if (context->class_inst)
732 class_inst = mono_metadata_inflate_generic_inst (context->class_inst, inflate_with);
734 if (context->method_inst)
735 method_inst = mono_metadata_inflate_generic_inst (context->method_inst, inflate_with);
737 res.class_inst = class_inst;
738 res.method_inst = method_inst;
744 * mono_class_inflate_generic_method:
745 * @method: a generic method
746 * @context: a generics context
748 * Instantiate the generic method @method using the generics context @context.
750 * Returns: the new instantiated method
753 mono_class_inflate_generic_method (MonoMethod *method, MonoGenericContext *context)
755 return mono_class_inflate_generic_method_full (method, NULL, context);
759 * mono_class_inflate_generic_method:
761 * Instantiate method @method with the generic context @context.
762 * BEWARE: All non-trivial fields are invalid, including klass, signature, and header.
763 * Use mono_method_signature () and mono_method_get_header () to get the correct values.
766 mono_class_inflate_generic_method_full (MonoMethod *method, MonoClass *klass_hint, MonoGenericContext *context)
769 MonoMethodInflated *iresult, *cached;
770 MonoMethodSignature *sig;
771 MonoGenericContext tmp_context;
772 gboolean is_mb_open = FALSE;
774 /* The `method' has already been instantiated before => we need to peel out the instantiation and create a new context */
775 while (method->is_inflated) {
776 MonoGenericContext *method_context = mono_method_get_context (method);
777 MonoMethodInflated *imethod = (MonoMethodInflated *) method;
779 tmp_context = inflate_generic_context (method_context, context);
780 context = &tmp_context;
782 if (mono_metadata_generic_context_equal (method_context, context))
785 method = imethod->declaring;
788 if (!method->is_generic && !method->klass->generic_container)
792 * The reason for this hack is to fix the behavior of inflating generic methods that come from a MethodBuilder.
793 * What happens is that instantiating a generic MethodBuilder with its own arguments should create a diferent object.
794 * This is opposite to the way non-SRE MethodInfos behave.
796 * This happens, for example, when we want to emit a recursive generic method. Given the following C# code:
798 * void Example<T> () {
802 * In Example, the method token must be encoded as: "void Example<!!0>()"
804 * The reference to the first generic argument, "!!0", must be explicit otherwise it won't be inflated
805 * properly. To get that we need to inflate the MethodBuilder with its own arguments.
807 * On the other hand, inflating a non-SRE generic method with its own arguments should
808 * return itself. For example:
810 * MethodInfo m = ... //m is a generic method definition
811 * MethodInfo res = m.MakeGenericMethod (m.GetGenericArguments ());
814 * To allow such scenarios we must allow inflation of MethodBuilder to happen in a diferent way than
815 * what happens with regular methods.
817 * There is one last touch to this madness, once a TypeBuilder is finished, IOW CreateType() is called,
818 * everything should behave like a regular type or method.
821 is_mb_open = method->is_generic &&
822 method->klass->image->dynamic && !method->klass->wastypebuilder && /* that is a MethodBuilder from an unfinished TypeBuilder */
823 context->method_inst == mono_method_get_generic_container (method)->context.method_inst; /* and it's been instantiated with its own arguments. */
825 iresult = g_new0 (MonoMethodInflated, 1);
826 iresult->context = *context;
827 iresult->declaring = method;
828 iresult->method.method.is_mb_open = is_mb_open;
830 if (!context->method_inst && method->is_generic)
831 iresult->context.method_inst = mono_method_get_generic_container (method)->context.method_inst;
833 if (!context->class_inst) {
834 g_assert (!iresult->declaring->klass->generic_class);
835 if (iresult->declaring->klass->generic_container)
836 iresult->context.class_inst = iresult->declaring->klass->generic_container->context.class_inst;
837 else if (iresult->declaring->klass->generic_class)
838 iresult->context.class_inst = iresult->declaring->klass->generic_class->context.class_inst;
842 cached = mono_method_inflated_lookup (iresult, FALSE);
844 mono_loader_unlock ();
846 return (MonoMethod*)cached;
849 mono_stats.inflated_method_count++;
851 inflated_methods_size += sizeof (MonoMethodInflated);
853 sig = mono_method_signature (method);
855 memcpy (&iresult->method.pinvoke, method, sizeof (MonoMethodPInvoke));
857 memcpy (&iresult->method.normal, method, sizeof (MonoMethodNormal));
858 iresult->method.normal.header = NULL;
861 result = (MonoMethod *) iresult;
862 result->is_inflated = TRUE;
863 result->is_generic = FALSE;
864 result->signature = NULL;
865 result->is_mb_open = is_mb_open;
867 if (!context->method_inst) {
868 /* Set the generic_container of the result to the generic_container of method */
869 MonoGenericContainer *generic_container = mono_method_get_generic_container (method);
871 if (generic_container) {
872 result->is_generic = 1;
873 mono_method_set_generic_container (result, generic_container);
877 if (!klass_hint || !klass_hint->generic_class ||
878 klass_hint->generic_class->container_class != method->klass ||
879 klass_hint->generic_class->context.class_inst != context->class_inst)
882 if (method->klass->generic_container)
883 result->klass = klass_hint;
885 if (!result->klass) {
886 MonoType *inflated = inflate_generic_type (NULL, &method->klass->byval_arg, context);
887 result->klass = inflated ? mono_class_from_mono_type (inflated) : method->klass;
889 mono_metadata_free_type (inflated);
892 mono_method_inflated_lookup (iresult, TRUE);
893 mono_loader_unlock ();
898 * mono_get_inflated_method:
900 * Obsolete. We keep it around since it's mentioned in the public API.
903 mono_get_inflated_method (MonoMethod *method)
909 mono_method_get_context (MonoMethod *method)
911 MonoMethodInflated *imethod;
912 if (!method->is_inflated)
914 imethod = (MonoMethodInflated *) method;
915 return &imethod->context;
919 * mono_method_get_generic_container:
921 * Returns the generic container of METHOD, which should be a generic method definition.
922 * Returns NULL if METHOD is not a generic method definition.
923 * LOCKING: Acquires the loader lock.
925 MonoGenericContainer*
926 mono_method_get_generic_container (MonoMethod *method)
928 MonoGenericContainer *container;
930 if (!method->is_generic)
934 container = mono_property_hash_lookup (method->klass->image->property_hash, method, MONO_METHOD_PROP_GENERIC_CONTAINER);
935 mono_loader_unlock ();
936 g_assert (container);
942 * mono_method_set_generic_container:
944 * Sets the generic container of METHOD to CONTAINER.
945 * LOCKING: Acquires the loader lock.
948 mono_method_set_generic_container (MonoMethod *method, MonoGenericContainer* container)
950 g_assert (method->is_generic);
953 mono_property_hash_insert (method->klass->image->property_hash, method, MONO_METHOD_PROP_GENERIC_CONTAINER, container);
954 mono_loader_unlock ();
958 * mono_class_find_enum_basetype:
959 * @class: The enum class
961 * Determine the basetype of an enum by iterating through its fields. We do this
962 * in a separate function since it is cheaper than calling mono_class_setup_fields.
965 mono_class_find_enum_basetype (MonoClass *class)
967 MonoImage *m = class->image;
968 const int top = class->field.count;
971 g_assert (class->enumtype);
974 * Fetch all the field information.
976 for (i = 0; i < top; i++){
978 guint32 cols [MONO_FIELD_SIZE];
979 int idx = class->field.first + i;
980 MonoGenericContainer *container = NULL;
983 /* class->field.first and idx points into the fieldptr table */
984 mono_metadata_decode_table_row (m, MONO_TABLE_FIELD, idx, cols, MONO_FIELD_SIZE);
985 sig = mono_metadata_blob_heap (m, cols [MONO_FIELD_SIGNATURE]);
986 mono_metadata_decode_value (sig, &sig);
987 /* FIELD signature == 0x06 */
988 g_assert (*sig == 0x06);
989 if (class->generic_container)
990 container = class->generic_container;
991 else if (class->generic_class) {
992 MonoClass *gklass = class->generic_class->container_class;
994 container = gklass->generic_container;
995 g_assert (container);
997 ftype = mono_metadata_parse_type_full (m, container, MONO_PARSE_FIELD, cols [MONO_FIELD_FLAGS], sig + 1, &sig);
1000 if (class->generic_class) {
1001 //FIXME do we leak here?
1002 ftype = mono_class_inflate_generic_type (ftype, mono_class_get_context (class));
1003 ftype->attrs = cols [MONO_FIELD_FLAGS];
1006 if (class->enumtype && !(cols [MONO_FIELD_FLAGS] & FIELD_ATTRIBUTE_STATIC))
1014 * mono_class_setup_fields:
1015 * @class: The class to initialize
1017 * Initializes the class->fields.
1018 * LOCKING: Assumes the loader lock is held.
1021 mono_class_setup_fields (MonoClass *class)
1023 MonoImage *m = class->image;
1024 int top = class->field.count;
1025 guint32 layout = class->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
1026 int i, blittable = TRUE;
1027 guint32 real_size = 0;
1028 guint32 packing_size = 0;
1029 gboolean explicit_size;
1030 MonoClassField *field;
1031 MonoGenericContainer *container = NULL;
1032 MonoClass *gklass = NULL;
1034 if (class->size_inited)
1037 if (class->generic_class && class->generic_class->container_class->image->dynamic && !class->generic_class->container_class->wastypebuilder) {
1039 * This happens when a generic instance of an unfinished generic typebuilder
1040 * is used as an element type for creating an array type. We can't initialize
1041 * the fields of this class using the fields of gklass, since gklass is not
1042 * finished yet, fields could be added to it later.
1047 if (class->generic_class) {
1048 MonoClass *gklass = class->generic_class->container_class;
1049 mono_class_setup_fields (gklass);
1050 top = gklass->field.count;
1051 class->field.count = gklass->field.count;
1054 class->instance_size = 0;
1056 class->sizes.class_size = 0;
1058 if (class->parent) {
1059 /* For generic instances, class->parent might not have been initialized */
1060 mono_class_init (class->parent);
1061 if (!class->parent->size_inited)
1062 mono_class_setup_fields (class->parent);
1063 class->instance_size += class->parent->instance_size;
1064 class->min_align = class->parent->min_align;
1065 /* we use |= since it may have been set already */
1066 class->has_references |= class->parent->has_references;
1067 blittable = class->parent->blittable;
1069 class->instance_size = sizeof (MonoObject);
1070 class->min_align = 1;
1073 if (class->simd_type)
1074 class->min_align = 16;
1076 /* Get the real size */
1077 explicit_size = mono_metadata_packing_from_typedef (class->image, class->type_token, &packing_size, &real_size);
1079 if (explicit_size) {
1080 g_assert ((packing_size & 0xfffffff0) == 0);
1081 class->packing_size = packing_size;
1082 real_size += class->instance_size;
1086 if (explicit_size && real_size) {
1087 class->instance_size = MAX (real_size, class->instance_size);
1089 class->size_inited = 1;
1090 class->blittable = blittable;
1094 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT)
1097 /* Prevent infinite loops if the class references itself */
1098 class->size_inited = 1;
1100 class->fields = mono_image_alloc0 (class->image, sizeof (MonoClassField) * top);
1102 if (class->generic_container) {
1103 container = class->generic_container;
1104 } else if (class->generic_class) {
1105 gklass = class->generic_class->container_class;
1106 container = gklass->generic_container;
1107 g_assert (container);
1109 mono_class_setup_fields (gklass);
1111 if (gklass->exception_type) {
1112 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1118 * Fetch all the field information.
1120 for (i = 0; i < top; i++){
1121 int idx = class->field.first + i;
1122 field = &class->fields [i];
1124 field->parent = class;
1126 if (class->generic_class) {
1127 MonoClassField *gfield = &gklass->fields [i];
1129 field->name = mono_field_get_name (gfield);
1130 /*This memory must come from the image mempool as we don't have a chance to free it.*/
1131 field->type = mono_class_inflate_generic_type_with_mempool_no_copy (class->image->mempool, gfield->type, mono_class_get_context (class));
1132 g_assert (field->type->attrs == gfield->type->attrs);
1133 if (mono_field_is_deleted (field))
1135 field->offset = gfield->offset;
1138 guint32 cols [MONO_FIELD_SIZE];
1140 /* class->field.first and idx points into the fieldptr table */
1141 mono_metadata_decode_table_row (m, MONO_TABLE_FIELD, idx, cols, MONO_FIELD_SIZE);
1142 /* The name is needed for fieldrefs */
1143 field->name = mono_metadata_string_heap (m, cols [MONO_FIELD_NAME]);
1144 sig = mono_metadata_blob_heap (m, cols [MONO_FIELD_SIGNATURE]);
1145 mono_metadata_decode_value (sig, &sig);
1146 /* FIELD signature == 0x06 */
1147 g_assert (*sig == 0x06);
1148 field->type = mono_metadata_parse_type_full (m, container, MONO_PARSE_FIELD, cols [MONO_FIELD_FLAGS], sig + 1, &sig);
1150 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1153 if (mono_field_is_deleted (field))
1155 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
1157 mono_metadata_field_info (m, idx, &offset, NULL, NULL);
1158 field->offset = offset;
1159 if (field->offset == (guint32)-1 && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
1160 g_warning ("%s not initialized correctly (missing field layout info for %s)",
1161 class->name, mono_field_get_name (field));
1165 /* Only do these checks if we still think this type is blittable */
1166 if (blittable && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
1167 if (field->type->byref || MONO_TYPE_IS_REFERENCE (field->type)) {
1170 MonoClass *field_class = mono_class_from_mono_type (field->type);
1172 mono_class_setup_fields (field_class);
1173 if (!field_class || !field_class->blittable)
1178 if (class->enumtype && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
1179 class->cast_class = class->element_class = mono_class_from_mono_type (field->type);
1180 blittable = class->element_class->blittable;
1183 /* The def_value of fields is compute lazily during vtable creation */
1186 if (class == mono_defaults.string_class)
1189 class->blittable = blittable;
1191 if (class->enumtype && !mono_class_enum_basetype (class)) {
1192 if (!((strcmp (class->name, "Enum") == 0) && (strcmp (class->name_space, "System") == 0)))
1195 if (explicit_size && real_size) {
1196 class->instance_size = MAX (real_size, class->instance_size);
1199 if (class->exception_type)
1201 mono_class_layout_fields (class);
1205 * mono_class_setup_fields_locking:
1206 * @class: The class to initialize
1208 * Initializes the class->fields array of fields.
1209 * Aquires the loader lock.
1212 mono_class_setup_fields_locking (MonoClass *class)
1214 mono_loader_lock ();
1215 mono_class_setup_fields (class);
1216 mono_loader_unlock ();
1220 * mono_class_has_references:
1222 * Returns whenever @klass->has_references is set, initializing it if needed.
1223 * Aquires the loader lock.
1226 mono_class_has_references (MonoClass *klass)
1228 if (klass->init_pending) {
1229 /* Be conservative */
1232 mono_class_init (klass);
1234 return klass->has_references;
1238 /* useful until we keep track of gc-references in corlib etc. */
1240 #define IS_GC_REFERENCE(t) FALSE
1242 #define IS_GC_REFERENCE(t) ((t)->type == MONO_TYPE_U && class->image == mono_defaults.corlib)
1246 * mono_type_get_basic_type_from_generic:
1249 * Returns a closed type corresponding to the possibly open type
1253 mono_type_get_basic_type_from_generic (MonoType *type)
1255 /* When we do generic sharing we let type variables stand for reference types. */
1256 if (!type->byref && (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR))
1257 return &mono_defaults.object_class->byval_arg;
1262 * mono_class_layout_fields:
1265 * Compute the placement of fields inside an object or struct, according to
1266 * the layout rules and set the following fields in @class:
1267 * - has_references (if the class contains instance references firled or structs that contain references)
1268 * - has_static_refs (same, but for static fields)
1269 * - instance_size (size of the object in memory)
1270 * - class_size (size needed for the static fields)
1271 * - size_inited (flag set when the instance_size is set)
1273 * LOCKING: this is supposed to be called with the loader lock held.
1276 mono_class_layout_fields (MonoClass *class)
1279 const int top = class->field.count;
1280 guint32 layout = class->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
1281 guint32 pass, passes, real_size;
1282 gboolean gc_aware_layout = FALSE;
1283 MonoClassField *field;
1286 * When we do generic sharing we need to have layout
1287 * information for open generic classes (either with a generic
1288 * context containing type variables or with a generic
1289 * container), so we don't return in that case anymore.
1293 * Enable GC aware auto layout: in this mode, reference
1294 * fields are grouped together inside objects, increasing collector
1296 * Requires that all classes whose layout is known to native code be annotated
1297 * with [StructLayout (LayoutKind.Sequential)]
1298 * Value types have gc_aware_layout disabled by default, as per
1299 * what the default is for other runtimes.
1301 /* corlib is missing [StructLayout] directives in many places */
1302 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1303 if (class->image != mono_defaults.corlib &&
1304 class->byval_arg.type != MONO_TYPE_VALUETYPE)
1305 gc_aware_layout = TRUE;
1306 /* from System.dll, used in metadata/process.h */
1307 if (strcmp (class->name, "ProcessStartInfo") == 0)
1308 gc_aware_layout = FALSE;
1311 /* Compute klass->has_references */
1313 * Process non-static fields first, since static fields might recursively
1314 * refer to the class itself.
1316 for (i = 0; i < top; i++) {
1319 field = &class->fields [i];
1321 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
1322 ftype = mono_type_get_underlying_type (field->type);
1323 ftype = mono_type_get_basic_type_from_generic (ftype);
1324 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1325 class->has_references = TRUE;
1329 for (i = 0; i < top; i++) {
1332 field = &class->fields [i];
1334 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC) {
1335 ftype = mono_type_get_underlying_type (field->type);
1336 ftype = mono_type_get_basic_type_from_generic (ftype);
1337 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1338 class->has_static_refs = TRUE;
1342 for (i = 0; i < top; i++) {
1345 field = &class->fields [i];
1347 ftype = mono_type_get_underlying_type (field->type);
1348 ftype = mono_type_get_basic_type_from_generic (ftype);
1349 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1350 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1351 class->has_static_refs = TRUE;
1353 class->has_references = TRUE;
1358 * Compute field layout and total size (not considering static fields)
1362 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
1363 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
1365 if (gc_aware_layout)
1370 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT)
1374 real_size = class->parent->instance_size;
1376 real_size = sizeof (MonoObject);
1378 for (pass = 0; pass < passes; ++pass) {
1379 for (i = 0; i < top; i++){
1384 field = &class->fields [i];
1386 if (mono_field_is_deleted (field))
1388 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1391 ftype = mono_type_get_underlying_type (field->type);
1392 ftype = mono_type_get_basic_type_from_generic (ftype);
1393 if (gc_aware_layout) {
1394 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1403 if ((top == 1) && (class->instance_size == sizeof (MonoObject)) &&
1404 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
1405 /* This field is a hack inserted by MCS to empty structures */
1409 size = mono_type_size (field->type, &align);
1411 /* FIXME (LAMESPEC): should we also change the min alignment according to pack? */
1412 align = class->packing_size ? MIN (class->packing_size, align): align;
1413 /* if the field has managed references, we need to force-align it
1416 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1417 align = MAX (align, sizeof (gpointer));
1419 class->min_align = MAX (align, class->min_align);
1420 field->offset = real_size;
1421 field->offset += align - 1;
1422 field->offset &= ~(align - 1);
1423 real_size = field->offset + size;
1426 class->instance_size = MAX (real_size, class->instance_size);
1428 if (class->instance_size & (class->min_align - 1)) {
1429 class->instance_size += class->min_align - 1;
1430 class->instance_size &= ~(class->min_align - 1);
1434 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
1436 for (i = 0; i < top; i++) {
1441 field = &class->fields [i];
1444 * There must be info about all the fields in a type if it
1445 * uses explicit layout.
1448 if (mono_field_is_deleted (field))
1450 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1453 size = mono_type_size (field->type, &align);
1454 class->min_align = MAX (align, class->min_align);
1457 * When we get here, field->offset is already set by the
1458 * loader (for either runtime fields or fields loaded from metadata).
1459 * The offset is from the start of the object: this works for both
1460 * classes and valuetypes.
1462 field->offset += sizeof (MonoObject);
1463 ftype = mono_type_get_underlying_type (field->type);
1464 ftype = mono_type_get_basic_type_from_generic (ftype);
1465 if (MONO_TYPE_IS_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1466 if (field->offset % sizeof (gpointer)) {
1467 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1474 real_size = MAX (real_size, size + field->offset);
1476 class->instance_size = MAX (real_size, class->instance_size);
1480 if (layout != TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
1482 * For small structs, set min_align to at least the struct size to improve
1483 * performance, and since the JIT memset/memcpy code assumes this and generates
1484 * unaligned accesses otherwise. See #78990 for a testcase.
1486 if (class->instance_size <= sizeof (MonoObject) + sizeof (gpointer))
1487 class->min_align = MAX (class->min_align, class->instance_size - sizeof (MonoObject));
1490 class->size_inited = 1;
1493 * Compute static field layout and size
1495 for (i = 0; i < top; i++){
1499 field = &class->fields [i];
1501 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC) || field->type->attrs & FIELD_ATTRIBUTE_LITERAL)
1503 if (mono_field_is_deleted (field))
1506 size = mono_type_size (field->type, &align);
1507 field->offset = class->sizes.class_size;
1508 field->offset += align - 1;
1509 field->offset &= ~(align - 1);
1510 class->sizes.class_size = field->offset + size;
1515 create_array_method (MonoClass *class, const char *name, MonoMethodSignature *sig)
1519 method = (MonoMethod *) mono_image_alloc0 (class->image, sizeof (MonoMethodPInvoke));
1520 method->klass = class;
1521 method->flags = METHOD_ATTRIBUTE_PUBLIC;
1522 method->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
1523 method->signature = sig;
1524 method->name = name;
1527 if (name [0] == '.') {
1528 method->flags |= METHOD_ATTRIBUTE_RT_SPECIAL_NAME | METHOD_ATTRIBUTE_SPECIAL_NAME;
1530 method->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
1536 * mono_class_setup_methods:
1539 * Initializes the 'methods' array in the klass.
1540 * Calling this method should be avoided if possible since it allocates a lot
1541 * of long-living MonoMethod structures.
1542 * Methods belonging to an interface are assigned a sequential slot starting
1546 mono_class_setup_methods (MonoClass *class)
1549 MonoMethod **methods;
1554 mono_loader_lock ();
1556 if (class->methods) {
1557 mono_loader_unlock ();
1561 if (class->generic_class) {
1562 MonoClass *gklass = class->generic_class->container_class;
1564 mono_class_init (gklass);
1565 mono_class_setup_methods (gklass);
1567 /* The + 1 makes this always non-NULL to pass the check in mono_class_setup_methods () */
1568 class->method.count = gklass->method.count;
1569 methods = g_new0 (MonoMethod *, class->method.count + 1);
1571 for (i = 0; i < class->method.count; i++) {
1572 methods [i] = mono_class_inflate_generic_method_full (
1573 gklass->methods [i], class, mono_class_get_context (class));
1575 } else if (class->rank) {
1576 MonoMethod *amethod;
1577 MonoMethodSignature *sig;
1578 int count_generic = 0, first_generic = 0;
1581 class->method.count = 3 + (class->rank > 1? 2: 1);
1583 if (class->interface_count) {
1584 count_generic = generic_array_methods (class);
1585 first_generic = class->method.count;
1586 class->method.count += class->interface_count * count_generic;
1589 methods = mono_image_alloc0 (class->image, sizeof (MonoMethod*) * class->method.count);
1591 sig = mono_metadata_signature_alloc (class->image, class->rank);
1592 sig->ret = &mono_defaults.void_class->byval_arg;
1593 sig->pinvoke = TRUE;
1594 sig->hasthis = TRUE;
1595 for (i = 0; i < class->rank; ++i)
1596 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1598 amethod = create_array_method (class, ".ctor", sig);
1599 methods [method_num++] = amethod;
1600 if (class->rank > 1) {
1601 sig = mono_metadata_signature_alloc (class->image, class->rank * 2);
1602 sig->ret = &mono_defaults.void_class->byval_arg;
1603 sig->pinvoke = TRUE;
1604 sig->hasthis = TRUE;
1605 for (i = 0; i < class->rank * 2; ++i)
1606 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1608 amethod = create_array_method (class, ".ctor", sig);
1609 methods [method_num++] = amethod;
1611 /* element Get (idx11, [idx2, ...]) */
1612 sig = mono_metadata_signature_alloc (class->image, class->rank);
1613 sig->ret = &class->element_class->byval_arg;
1614 sig->pinvoke = TRUE;
1615 sig->hasthis = TRUE;
1616 for (i = 0; i < class->rank; ++i)
1617 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1618 amethod = create_array_method (class, "Get", sig);
1619 methods [method_num++] = amethod;
1620 /* element& Address (idx11, [idx2, ...]) */
1621 sig = mono_metadata_signature_alloc (class->image, class->rank);
1622 sig->ret = &class->element_class->this_arg;
1623 sig->pinvoke = TRUE;
1624 sig->hasthis = TRUE;
1625 for (i = 0; i < class->rank; ++i)
1626 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1627 amethod = create_array_method (class, "Address", sig);
1628 methods [method_num++] = amethod;
1629 /* void Set (idx11, [idx2, ...], element) */
1630 sig = mono_metadata_signature_alloc (class->image, class->rank + 1);
1631 sig->ret = &mono_defaults.void_class->byval_arg;
1632 sig->pinvoke = TRUE;
1633 sig->hasthis = TRUE;
1634 for (i = 0; i < class->rank; ++i)
1635 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1636 sig->params [i] = &class->element_class->byval_arg;
1637 amethod = create_array_method (class, "Set", sig);
1638 methods [method_num++] = amethod;
1640 for (i = 0; i < class->interface_count; i++)
1641 setup_generic_array_ifaces (class, class->interfaces [i], methods, first_generic + i * count_generic);
1643 methods = mono_image_alloc (class->image, sizeof (MonoMethod*) * class->method.count);
1644 for (i = 0; i < class->method.count; ++i) {
1645 int idx = mono_metadata_translate_token_index (class->image, MONO_TABLE_METHOD, class->method.first + i + 1);
1646 methods [i] = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | idx, class);
1650 if (MONO_CLASS_IS_INTERFACE (class))
1651 for (i = 0; i < class->method.count; ++i)
1652 methods [i]->slot = i;
1654 /* Needed because of the double-checking locking pattern */
1655 mono_memory_barrier ();
1657 class->methods = methods;
1659 if (mono_debugger_class_loaded_methods_func)
1660 mono_debugger_class_loaded_methods_func (class);
1662 mono_loader_unlock ();
1666 * mono_class_get_method_by_index:
1668 * Returns class->methods [index], initializing class->methods if neccesary.
1670 * LOCKING: Acquires the loader lock.
1673 mono_class_get_method_by_index (MonoClass *class, int index)
1675 /* Avoid calling setup_methods () if possible */
1676 if (class->generic_class && !class->methods) {
1677 MonoClass *gklass = class->generic_class->container_class;
1680 m = mono_class_inflate_generic_method_full (
1681 gklass->methods [index], class, mono_class_get_context (class));
1683 * If setup_methods () is called later for this class, no duplicates are created,
1684 * since inflate_generic_method guarantees that only one instance of a method
1685 * is created for each context.
1688 mono_class_setup_methods (class);
1689 g_assert (m == class->methods [index]);
1693 mono_class_setup_methods (class);
1694 g_assert (index >= 0 && index < class->method.count);
1695 return class->methods [index];
1700 * mono_class_get_inflated_method:
1702 * Given an inflated class CLASS and a method METHOD which should be a method of
1703 * CLASS's generic definition, return the inflated method corresponding to METHOD.
1706 mono_class_get_inflated_method (MonoClass *class, MonoMethod *method)
1708 MonoClass *gklass = class->generic_class->container_class;
1711 mono_class_setup_methods (gklass);
1712 for (i = 0; i < gklass->method.count; ++i) {
1713 if (gklass->methods [i] == method) {
1715 return class->methods [i];
1717 return mono_class_inflate_generic_method_full (gklass->methods [i], class, mono_class_get_context (class));
1725 * mono_class_get_vtable_entry:
1727 * Returns class->vtable [offset], computing it if neccesary.
1728 * LOCKING: Acquires the loader lock.
1731 mono_class_get_vtable_entry (MonoClass *class, int offset)
1733 if (class->generic_class) {
1734 MonoClass *gklass = class->generic_class->container_class;
1735 mono_class_setup_vtable (gklass);
1736 if (gklass->vtable [offset]->wrapper_type == MONO_WRAPPER_STATIC_RGCTX_INVOKE) {
1737 MonoMethod *method = mono_marshal_method_from_wrapper (gklass->vtable [offset]);
1738 method = mono_class_inflate_generic_method_full (method, class, mono_class_get_context (class));
1739 return mono_marshal_get_static_rgctx_invoke (method);
1741 return mono_class_inflate_generic_method_full (gklass->vtable [offset], class, mono_class_get_context (class));
1745 if (class->rank == 1) {
1747 * szarrays do not overwrite any methods of Array, so we can avoid
1748 * initializing their vtables in some cases.
1750 mono_class_setup_vtable (class->parent);
1751 if (offset < class->parent->vtable_size)
1752 return class->parent->vtable [offset];
1755 mono_class_setup_vtable (class);
1756 return class->vtable [offset];
1760 mono_class_setup_properties (MonoClass *class)
1762 guint startm, endm, i, j;
1763 guint32 cols [MONO_PROPERTY_SIZE];
1764 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1765 MonoProperty *properties;
1768 if (class->ext && class->ext->properties)
1771 mono_loader_lock ();
1773 if (class->ext && class->ext->properties) {
1774 mono_loader_unlock ();
1778 mono_class_alloc_ext (class);
1780 if (class->generic_class) {
1781 MonoClass *gklass = class->generic_class->container_class;
1783 mono_class_init (gklass);
1784 mono_class_setup_properties (gklass);
1786 class->ext->property = gklass->ext->property;
1788 properties = g_new0 (MonoProperty, class->ext->property.count + 1);
1790 for (i = 0; i < class->ext->property.count; i++) {
1791 MonoProperty *prop = &properties [i];
1793 *prop = gklass->ext->properties [i];
1796 prop->get = mono_class_inflate_generic_method_full (
1797 prop->get, class, mono_class_get_context (class));
1799 prop->set = mono_class_inflate_generic_method_full (
1800 prop->set, class, mono_class_get_context (class));
1802 prop->parent = class;
1805 class->ext->property.first = mono_metadata_properties_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1806 class->ext->property.count = last - class->ext->property.first;
1808 if (class->ext->property.count)
1809 mono_class_setup_methods (class);
1811 properties = mono_image_alloc0 (class->image, sizeof (MonoProperty) * class->ext->property.count);
1812 for (i = class->ext->property.first; i < last; ++i) {
1813 mono_metadata_decode_table_row (class->image, MONO_TABLE_PROPERTY, i, cols, MONO_PROPERTY_SIZE);
1814 properties [i - class->ext->property.first].parent = class;
1815 properties [i - class->ext->property.first].attrs = cols [MONO_PROPERTY_FLAGS];
1816 properties [i - class->ext->property.first].name = mono_metadata_string_heap (class->image, cols [MONO_PROPERTY_NAME]);
1818 startm = mono_metadata_methods_from_property (class->image, i, &endm);
1819 for (j = startm; j < endm; ++j) {
1822 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
1824 if (class->image->uncompressed_metadata)
1825 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
1826 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
1828 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
1830 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
1831 case METHOD_SEMANTIC_SETTER:
1832 properties [i - class->ext->property.first].set = method;
1834 case METHOD_SEMANTIC_GETTER:
1835 properties [i - class->ext->property.first].get = method;
1843 /*Flush any pending writes as we do double checked locking on class->properties */
1844 mono_memory_barrier ();
1846 /* Leave this assignment as the last op in the function */
1847 class->ext->properties = properties;
1849 mono_loader_unlock ();
1853 inflate_method_listz (MonoMethod **methods, MonoClass *class, MonoGenericContext *context)
1855 MonoMethod **om, **retval;
1858 for (om = methods, count = 0; *om; ++om, ++count)
1861 retval = g_new0 (MonoMethod*, count + 1);
1863 for (om = methods, count = 0; *om; ++om, ++count)
1864 retval [count] = mono_class_inflate_generic_method_full (*om, class, context);
1870 mono_class_setup_events (MonoClass *class)
1872 guint startm, endm, i, j;
1873 guint32 cols [MONO_EVENT_SIZE];
1874 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1878 if (class->ext && class->ext->events)
1881 mono_loader_lock ();
1883 if (class->ext && class->ext->events) {
1884 mono_loader_unlock ();
1888 mono_class_alloc_ext (class);
1890 if (class->generic_class) {
1891 MonoClass *gklass = class->generic_class->container_class;
1892 MonoGenericContext *context;
1894 mono_class_setup_events (gklass);
1895 class->ext->event = gklass->ext->event;
1897 class->ext->events = g_new0 (MonoEvent, class->ext->event.count);
1899 if (class->ext->event.count)
1900 context = mono_class_get_context (class);
1902 for (i = 0; i < class->ext->event.count; i++) {
1903 MonoEvent *event = &class->ext->events [i];
1904 MonoEvent *gevent = &gklass->ext->events [i];
1906 event->parent = class;
1907 event->name = gevent->name;
1908 event->add = gevent->add ? mono_class_inflate_generic_method_full (gevent->add, class, context) : NULL;
1909 event->remove = gevent->remove ? mono_class_inflate_generic_method_full (gevent->remove, class, context) : NULL;
1910 event->raise = gevent->raise ? mono_class_inflate_generic_method_full (gevent->raise, class, context) : NULL;
1911 event->other = gevent->other ? inflate_method_listz (gevent->other, class, context) : NULL;
1912 event->attrs = gevent->attrs;
1915 mono_loader_unlock ();
1919 class->ext->event.first = mono_metadata_events_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1920 class->ext->event.count = last - class->ext->event.first;
1922 if (class->ext->event.count)
1923 mono_class_setup_methods (class);
1925 events = mono_image_alloc0 (class->image, sizeof (MonoEvent) * class->ext->event.count);
1926 for (i = class->ext->event.first; i < last; ++i) {
1927 MonoEvent *event = &events [i - class->ext->event.first];
1929 mono_metadata_decode_table_row (class->image, MONO_TABLE_EVENT, i, cols, MONO_EVENT_SIZE);
1930 event->parent = class;
1931 event->attrs = cols [MONO_EVENT_FLAGS];
1932 event->name = mono_metadata_string_heap (class->image, cols [MONO_EVENT_NAME]);
1934 startm = mono_metadata_methods_from_event (class->image, i, &endm);
1935 for (j = startm; j < endm; ++j) {
1938 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
1940 if (class->image->uncompressed_metadata)
1941 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
1942 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
1944 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
1946 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
1947 case METHOD_SEMANTIC_ADD_ON:
1948 event->add = method;
1950 case METHOD_SEMANTIC_REMOVE_ON:
1951 event->remove = method;
1953 case METHOD_SEMANTIC_FIRE:
1954 event->raise = method;
1956 case METHOD_SEMANTIC_OTHER: {
1959 if (event->other == NULL) {
1960 event->other = g_new0 (MonoMethod*, 2);
1962 while (event->other [n])
1964 event->other = g_realloc (event->other, (n + 2) * sizeof (MonoMethod*));
1966 event->other [n] = method;
1967 /* NULL terminated */
1968 event->other [n + 1] = NULL;
1976 /*Flush any pending writes as we do double checked locking on class->properties */
1977 mono_memory_barrier ();
1979 /* Leave this assignment as the last op in the function */
1980 class->ext->events = events;
1982 mono_loader_unlock ();
1986 * Global pool of interface IDs, represented as a bitset.
1987 * LOCKING: this is supposed to be accessed with the loader lock held.
1989 static MonoBitSet *global_interface_bitset = NULL;
1992 * mono_unload_interface_ids:
1993 * @bitset: bit set of interface IDs
1995 * When an image is unloaded, the interface IDs associated with
1996 * the image are put back in the global pool of IDs so the numbers
2000 mono_unload_interface_ids (MonoBitSet *bitset)
2002 mono_loader_lock ();
2003 mono_bitset_sub (global_interface_bitset, bitset);
2004 mono_loader_unlock ();
2008 * mono_get_unique_iid:
2011 * Assign a unique integer ID to the interface represented by @class.
2012 * The ID will positive and as small as possible.
2013 * LOCKING: this is supposed to be called with the loader lock held.
2014 * Returns: the new ID.
2017 mono_get_unique_iid (MonoClass *class)
2021 g_assert (MONO_CLASS_IS_INTERFACE (class));
2023 if (!global_interface_bitset) {
2024 global_interface_bitset = mono_bitset_new (128, 0);
2027 iid = mono_bitset_find_first_unset (global_interface_bitset, -1);
2029 int old_size = mono_bitset_size (global_interface_bitset);
2030 MonoBitSet *new_set = mono_bitset_clone (global_interface_bitset, old_size * 2);
2031 mono_bitset_free (global_interface_bitset);
2032 global_interface_bitset = new_set;
2035 mono_bitset_set (global_interface_bitset, iid);
2036 /* set the bit also in the per-image set */
2037 if (class->image->interface_bitset) {
2038 if (iid >= mono_bitset_size (class->image->interface_bitset)) {
2039 MonoBitSet *new_set = mono_bitset_clone (class->image->interface_bitset, iid + 1);
2040 mono_bitset_free (class->image->interface_bitset);
2041 class->image->interface_bitset = new_set;
2044 class->image->interface_bitset = mono_bitset_new (iid + 1, 0);
2046 mono_bitset_set (class->image->interface_bitset, iid);
2048 if (mono_print_vtable) {
2050 char *type_name = mono_type_full_name (&class->byval_arg);
2051 if (class->generic_class && !class->generic_class->context.class_inst->is_open) {
2052 generic_id = class->generic_class->context.class_inst->id;
2053 g_assert (generic_id != 0);
2057 printf ("Interface: assigned id %d to %s|%s|%d\n", iid, class->image->name, type_name, generic_id);
2061 g_assert (iid <= 65535);
2066 collect_implemented_interfaces_aux (MonoClass *klass, GPtrArray **res)
2071 for (i = 0; i < klass->interface_count; i++) {
2072 ic = klass->interfaces [i];
2075 *res = g_ptr_array_new ();
2076 g_ptr_array_add (*res, ic);
2077 mono_class_init (ic);
2079 collect_implemented_interfaces_aux (ic, res);
2084 mono_class_get_implemented_interfaces (MonoClass *klass)
2086 GPtrArray *res = NULL;
2088 collect_implemented_interfaces_aux (klass, &res);
2093 compare_interface_ids (const void *p_key, const void *p_element) {
2094 const MonoClass *key = p_key;
2095 const MonoClass *element = *(MonoClass**) p_element;
2097 return (key->interface_id - element->interface_id);
2101 mono_class_has_variant_generic_params (MonoClass *klass)
2104 MonoGenericContainer *container;
2106 if (!klass->generic_class)
2109 container = klass->generic_class->container_class->generic_container;
2111 for (i = 0; i < container->type_argc; ++i) {
2112 if (container->type_params [i].flags & GENERIC_PARAMETER_ATTRIBUTE_VARIANCE_MASK)
2120 mono_class_is_variant_of (MonoClass *klass, MonoClass *vklass) {
2122 MonoClass *generic = klass->generic_class->container_class;
2123 MonoClass *vgeneric = vklass->generic_class->container_class;
2124 MonoGenericContainer *container = vgeneric->generic_container;
2126 if (generic != vgeneric)
2129 for (i = 0; i < container->type_argc; i++) {
2130 MonoClass *param_class = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [i]);
2131 MonoClass *vparam_class = mono_class_from_mono_type (vklass->generic_class->context.class_inst->type_argv [i]);
2133 // FIXME this is incorrect
2134 if (param_class->valuetype || vparam_class->valuetype)
2137 if (container->type_params [i].flags & GENERIC_PARAMETER_ATTRIBUTE_VARIANCE_MASK) {
2138 if ((container->type_params [i].flags & GENERIC_PARAMETER_ATTRIBUTE_CONTRAVARIANT) && !mono_class_is_assignable_from (param_class, vparam_class))
2140 if ((container->type_params [i].flags & GENERIC_PARAMETER_ATTRIBUTE_COVARIANT) && !mono_class_is_assignable_from (vparam_class, param_class))
2142 } else if (param_class != vparam_class)
2150 mono_class_interface_offset (MonoClass *klass, MonoClass *itf) {
2151 MonoClass **result = bsearch (
2153 klass->interfaces_packed,
2154 klass->interface_offsets_count,
2155 sizeof (MonoClass *),
2156 compare_interface_ids);
2158 return klass->interface_offsets_packed [result - (klass->interfaces_packed)];
2165 mono_class_interface_offset_with_variance (MonoClass *klass, MonoClass *itf) {
2166 int i = mono_class_interface_offset (klass, itf);
2169 } else if (mono_class_has_variant_generic_params (itf)) {
2170 for (i = 0; i < klass->interface_offsets_count; i++) {
2171 if (mono_class_is_variant_of (klass->interfaces_packed[i], itf)) {
2172 return klass->interface_offsets_packed [i];
2180 print_implemented_interfaces (MonoClass *klass) {
2181 GPtrArray *ifaces = NULL;
2183 int ancestor_level = 0;
2185 printf ("Packed interface table for class %s has size %d\n", klass->name, klass->interface_offsets_count);
2186 for (i = 0; i < klass->interface_offsets_count; i++)
2187 printf (" [%03d][UUID %03d][SLOT %03d][SIZE %03d] interface %s.%s\n", i,
2188 klass->interfaces_packed [i]->interface_id,
2189 klass->interface_offsets_packed [i],
2190 klass->interfaces_packed [i]->method.count,
2191 klass->interfaces_packed [i]->name_space,
2192 klass->interfaces_packed [i]->name );
2193 printf ("Interface flags: ");
2194 for (i = 0; i <= klass->max_interface_id; i++)
2195 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, i))
2196 printf ("(%d,T)", i);
2198 printf ("(%d,F)", i);
2200 printf ("Dump interface flags:");
2201 for (i = 0; i < ((((klass->max_interface_id + 1) >> 3)) + (((klass->max_interface_id + 1) & 7)? 1 :0)); i++)
2202 printf (" %02X", klass->interface_bitmap [i]);
2204 while (klass != NULL) {
2205 printf ("[LEVEL %d] Implemented interfaces by class %s:\n", ancestor_level, klass->name);
2206 ifaces = mono_class_get_implemented_interfaces (klass);
2208 for (i = 0; i < ifaces->len; i++) {
2209 MonoClass *ic = g_ptr_array_index (ifaces, i);
2210 printf (" [UIID %d] interface %s\n", ic->interface_id, ic->name);
2211 printf (" [%03d][UUID %03d][SLOT %03d][SIZE %03d] interface %s.%s\n", i,
2213 mono_class_interface_offset (klass, ic),
2218 g_ptr_array_free (ifaces, TRUE);
2221 klass = klass->parent;
2226 inflate_class_one_arg (MonoClass *gtype, MonoClass *arg0)
2229 args [0] = &arg0->byval_arg;
2231 return mono_class_bind_generic_parameters (gtype, 1, args, FALSE);
2235 array_class_get_if_rank (MonoClass *class, guint rank)
2237 return rank ? mono_array_class_get (class, rank) : class;
2241 fill_valuetype_array_derived_types (MonoClass **valuetype_types, MonoClass *eclass, int rank)
2243 valuetype_types [0] = eclass;
2244 if (eclass == mono_defaults.int16_class)
2245 valuetype_types [1] = mono_defaults.uint16_class;
2246 else if (eclass == mono_defaults.uint16_class)
2247 valuetype_types [1] = mono_defaults.int16_class;
2248 else if (eclass == mono_defaults.int32_class)
2249 valuetype_types [1] = mono_defaults.uint32_class;
2250 else if (eclass == mono_defaults.uint32_class)
2251 valuetype_types [1] = mono_defaults.int32_class;
2252 else if (eclass == mono_defaults.int64_class)
2253 valuetype_types [1] = mono_defaults.uint64_class;
2254 else if (eclass == mono_defaults.uint64_class)
2255 valuetype_types [1] = mono_defaults.int64_class;
2256 else if (eclass == mono_defaults.byte_class)
2257 valuetype_types [1] = mono_defaults.sbyte_class;
2258 else if (eclass == mono_defaults.sbyte_class)
2259 valuetype_types [1] = mono_defaults.byte_class;
2260 else if (eclass->enumtype && mono_class_enum_basetype (eclass))
2261 valuetype_types [1] = mono_class_from_mono_type (mono_class_enum_basetype (eclass));
2264 /* this won't be needed once bug #325495 is completely fixed
2265 * though we'll need something similar to know which interfaces to allow
2266 * in arrays when they'll be lazyly created
2268 * FIXME: System.Array/InternalEnumerator don't need all this interface fabrication machinery.
2269 * MS returns diferrent types based on which instance is called. For example:
2270 * object obj = new byte[10][];
2271 * Type a = ((IEnumerable<byte[]>)obj).GetEnumerator ().GetType ();
2272 * Type b = ((IEnumerable<IList<byte>>)obj).GetEnumerator ().GetType ();
2275 * Fixing this should kill quite some code, save some bits and improve compatbility.
2278 get_implicit_generic_array_interfaces (MonoClass *class, int *num, int *is_enumerator)
2280 MonoClass *eclass = class->element_class;
2281 static MonoClass* generic_icollection_class = NULL;
2282 static MonoClass* generic_ienumerable_class = NULL;
2283 static MonoClass* generic_ienumerator_class = NULL;
2284 MonoClass *valuetype_types[2] = { NULL, NULL };
2285 MonoClass **interfaces = NULL;
2286 int i, interface_count, real_count, original_rank;
2288 gboolean internal_enumerator;
2289 gboolean eclass_is_valuetype;
2291 if (!mono_defaults.generic_ilist_class) {
2295 internal_enumerator = FALSE;
2296 eclass_is_valuetype = FALSE;
2297 original_rank = eclass->rank;
2298 if (class->byval_arg.type != MONO_TYPE_SZARRAY) {
2299 if (class->generic_class && class->nested_in == mono_defaults.array_class && strcmp (class->name, "InternalEnumerator`1") == 0) {
2301 * For a Enumerator<T[]> we need to get the list of interfaces for T.
2303 eclass = mono_class_from_mono_type (class->generic_class->context.class_inst->type_argv [0]);
2304 original_rank = eclass->rank;
2305 eclass = eclass->element_class;
2306 internal_enumerator = TRUE;
2307 *is_enumerator = TRUE;
2315 * with this non-lazy impl we can't implement all the interfaces so we do just the minimal stuff
2316 * for deep levels of arrays of arrays (string[][] has all the interfaces, string[][][] doesn't)
2318 all_interfaces = eclass->rank && eclass->element_class->rank? FALSE: TRUE;
2320 if (!generic_icollection_class) {
2321 generic_icollection_class = mono_class_from_name (mono_defaults.corlib,
2322 "System.Collections.Generic", "ICollection`1");
2323 generic_ienumerable_class = mono_class_from_name (mono_defaults.corlib,
2324 "System.Collections.Generic", "IEnumerable`1");
2325 generic_ienumerator_class = mono_class_from_name (mono_defaults.corlib,
2326 "System.Collections.Generic", "IEnumerator`1");
2329 mono_class_init (eclass);
2332 * Arrays in 2.0 need to implement a number of generic interfaces
2333 * (IList`1, ICollection`1, IEnumerable`1 for a number of types depending
2334 * on the element class). We collect the types needed to build the
2335 * instantiations in interfaces at intervals of 3, because 3 are
2336 * the generic interfaces needed to implement.
2338 if (eclass->valuetype) {
2339 fill_valuetype_array_derived_types (valuetype_types, eclass, original_rank);
2341 /* IList, ICollection, IEnumerable */
2342 real_count = interface_count = valuetype_types [1] ? 6 : 3;
2343 if (internal_enumerator) {
2345 if (valuetype_types [1])
2349 interfaces = g_malloc0 (sizeof (MonoClass*) * real_count);
2350 interfaces [0] = valuetype_types [0];
2351 if (valuetype_types [1])
2352 interfaces [3] = valuetype_types [1];
2354 eclass_is_valuetype = TRUE;
2357 int idepth = eclass->idepth;
2358 if (!internal_enumerator)
2360 interface_count = all_interfaces? eclass->interface_offsets_count: eclass->interface_count;
2361 /* we add object for interfaces and the supertypes for the other
2362 * types. The last of the supertypes is the element class itself which we
2363 * already created the explicit interfaces for (so we include it for IEnumerator
2364 * and exclude it for arrays).
2366 if (MONO_CLASS_IS_INTERFACE (eclass))
2369 interface_count += idepth;
2370 if (eclass->rank && eclass->element_class->valuetype) {
2371 fill_valuetype_array_derived_types (valuetype_types, eclass->element_class, original_rank);
2372 if (valuetype_types [1])
2375 /* IList, ICollection, IEnumerable */
2376 interface_count *= 3;
2377 real_count = interface_count;
2378 if (internal_enumerator) {
2379 real_count += (MONO_CLASS_IS_INTERFACE (eclass) ? 1 : idepth) + eclass->interface_offsets_count;
2380 if (valuetype_types [1])
2383 interfaces = g_malloc0 (sizeof (MonoClass*) * real_count);
2384 if (MONO_CLASS_IS_INTERFACE (eclass)) {
2385 interfaces [0] = mono_defaults.object_class;
2389 for (i = 0; i < idepth; i++) {
2390 mono_class_init (eclass->supertypes [i]);
2391 interfaces [j] = eclass->supertypes [i];
2395 if (all_interfaces) {
2396 for (i = 0; i < eclass->interface_offsets_count; i++) {
2397 interfaces [j] = eclass->interfaces_packed [i];
2401 for (i = 0; i < eclass->interface_count; i++) {
2402 interfaces [j] = eclass->interfaces [i];
2406 if (valuetype_types [1]) {
2407 interfaces [j] = array_class_get_if_rank (valuetype_types [1], original_rank);
2412 /* instantiate the generic interfaces */
2413 for (i = 0; i < interface_count; i += 3) {
2414 MonoClass *iface = interfaces [i];
2416 interfaces [i + 0] = inflate_class_one_arg (mono_defaults.generic_ilist_class, iface);
2417 interfaces [i + 1] = inflate_class_one_arg (generic_icollection_class, iface);
2418 interfaces [i + 2] = inflate_class_one_arg (generic_ienumerable_class, iface);
2420 if (internal_enumerator) {
2422 /* instantiate IEnumerator<iface> */
2423 for (i = 0; i < interface_count; i++) {
2424 interfaces [i] = inflate_class_one_arg (generic_ienumerator_class, interfaces [i]);
2426 j = interface_count;
2427 if (!eclass_is_valuetype) {
2428 if (MONO_CLASS_IS_INTERFACE (eclass)) {
2429 interfaces [j] = inflate_class_one_arg (generic_ienumerator_class, mono_defaults.object_class);
2432 for (i = 0; i < eclass->idepth; i++) {
2433 interfaces [j] = inflate_class_one_arg (generic_ienumerator_class, eclass->supertypes [i]);
2437 for (i = 0; i < eclass->interface_offsets_count; i++) {
2438 interfaces [j] = inflate_class_one_arg (generic_ienumerator_class, eclass->interfaces_packed [i]);
2442 interfaces [j++] = inflate_class_one_arg (generic_ienumerator_class, array_class_get_if_rank (valuetype_types [0], original_rank));
2444 if (valuetype_types [1])
2445 interfaces [j] = inflate_class_one_arg (generic_ienumerator_class, array_class_get_if_rank (valuetype_types [1], original_rank));
2449 char *type_name = mono_type_get_name_full (&class->byval_arg, 0);
2450 for (i = 0; i < real_count; ++i) {
2451 char *name = mono_type_get_name_full (&interfaces [i]->byval_arg, 0);
2452 g_print ("%s implements %s\n", type_name, name);
2463 find_array_interface (MonoClass *klass, const char *name)
2466 for (i = 0; i < klass->interface_count; ++i) {
2467 if (strcmp (klass->interfaces [i]->name, name) == 0)
2474 * LOCKING: this is supposed to be called with the loader lock held.
2477 setup_interface_offsets (MonoClass *class, int cur_slot)
2481 MonoClass **interfaces_full;
2482 int *interface_offsets_full;
2484 int interface_offsets_count;
2485 MonoClass **array_interfaces;
2486 int num_array_interfaces;
2487 int is_enumerator = FALSE;
2490 * get the implicit generic interfaces for either the arrays or for System.Array/InternalEnumerator<T>
2491 * implicit interfaces have the property that they are assigned the same slot in the
2492 * vtables for compatible interfaces
2494 array_interfaces = get_implicit_generic_array_interfaces (class, &num_array_interfaces, &is_enumerator);
2496 /* compute maximum number of slots and maximum interface id */
2498 for (k = class; k ; k = k->parent) {
2499 for (i = 0; i < k->interface_count; i++) {
2500 ic = k->interfaces [i];
2503 mono_class_init (ic);
2505 if (max_iid < ic->interface_id)
2506 max_iid = ic->interface_id;
2508 ifaces = mono_class_get_implemented_interfaces (k);
2510 for (i = 0; i < ifaces->len; ++i) {
2511 ic = g_ptr_array_index (ifaces, i);
2512 if (max_iid < ic->interface_id)
2513 max_iid = ic->interface_id;
2515 g_ptr_array_free (ifaces, TRUE);
2518 for (i = 0; i < num_array_interfaces; ++i) {
2519 ic = array_interfaces [i];
2520 mono_class_init (ic);
2521 if (max_iid < ic->interface_id)
2522 max_iid = ic->interface_id;
2525 if (MONO_CLASS_IS_INTERFACE (class)) {
2526 if (max_iid < class->interface_id)
2527 max_iid = class->interface_id;
2529 class->max_interface_id = max_iid;
2530 /* compute vtable offset for interfaces */
2531 interfaces_full = g_malloc (sizeof (MonoClass*) * (max_iid + 1));
2532 interface_offsets_full = g_malloc (sizeof (int) * (max_iid + 1));
2534 for (i = 0; i <= max_iid; i++) {
2535 interfaces_full [i] = NULL;
2536 interface_offsets_full [i] = -1;
2539 ifaces = mono_class_get_implemented_interfaces (class);
2541 for (i = 0; i < ifaces->len; ++i) {
2542 ic = g_ptr_array_index (ifaces, i);
2543 interfaces_full [ic->interface_id] = ic;
2544 interface_offsets_full [ic->interface_id] = cur_slot;
2545 cur_slot += ic->method.count;
2547 g_ptr_array_free (ifaces, TRUE);
2550 for (k = class->parent; k ; k = k->parent) {
2551 ifaces = mono_class_get_implemented_interfaces (k);
2553 for (i = 0; i < ifaces->len; ++i) {
2554 ic = g_ptr_array_index (ifaces, i);
2556 if (interface_offsets_full [ic->interface_id] == -1) {
2557 int io = mono_class_interface_offset (k, ic);
2561 interfaces_full [ic->interface_id] = ic;
2562 interface_offsets_full [ic->interface_id] = io;
2565 g_ptr_array_free (ifaces, TRUE);
2569 if (MONO_CLASS_IS_INTERFACE (class)) {
2570 interfaces_full [class->interface_id] = class;
2571 interface_offsets_full [class->interface_id] = cur_slot;
2574 if (num_array_interfaces) {
2575 if (is_enumerator) {
2576 int ienumerator_offset;
2577 int ienumerator_idx = find_array_interface (class, "IEnumerator`1");
2578 ienumerator_offset = interface_offsets_full [class->interfaces [ienumerator_idx]->interface_id];
2579 for (i = 0; i < num_array_interfaces; ++i) {
2580 ic = array_interfaces [i];
2581 interfaces_full [ic->interface_id] = ic;
2582 if (strcmp (ic->name, "IEnumerator`1") == 0)
2583 interface_offsets_full [ic->interface_id] = ienumerator_offset;
2585 g_assert_not_reached ();
2586 /*g_print ("type %s has %s offset at %d (%s)\n", class->name, ic->name, interface_offsets_full [ic->interface_id], class->interfaces [0]->name);*/
2589 int ilist_offset, icollection_offset, ienumerable_offset;
2590 int ilist_iface_idx = find_array_interface (class, "IList`1");
2591 int icollection_iface_idx = find_array_interface (class->interfaces [ilist_iface_idx], "ICollection`1");
2592 int ienumerable_iface_idx = find_array_interface (class->interfaces [ilist_iface_idx], "IEnumerable`1");
2593 ilist_offset = interface_offsets_full [class->interfaces [ilist_iface_idx]->interface_id];
2594 icollection_offset = interface_offsets_full [class->interfaces [ilist_iface_idx]->interfaces [icollection_iface_idx]->interface_id];
2595 ienumerable_offset = interface_offsets_full [class->interfaces [ilist_iface_idx]->interfaces [ienumerable_iface_idx]->interface_id];
2596 g_assert (ilist_offset >= 0 && icollection_offset >= 0 && ienumerable_offset >= 0);
2597 for (i = 0; i < num_array_interfaces; ++i) {
2598 ic = array_interfaces [i];
2599 interfaces_full [ic->interface_id] = ic;
2600 if (ic->generic_class->container_class == mono_defaults.generic_ilist_class)
2601 interface_offsets_full [ic->interface_id] = ilist_offset;
2602 else if (strcmp (ic->name, "ICollection`1") == 0)
2603 interface_offsets_full [ic->interface_id] = icollection_offset;
2604 else if (strcmp (ic->name, "IEnumerable`1") == 0)
2605 interface_offsets_full [ic->interface_id] = ienumerable_offset;
2607 g_assert_not_reached ();
2608 /*g_print ("type %s has %s offset at %d (%s)\n", class->name, ic->name, interface_offsets_full [ic->interface_id], class->interfaces [0]->name);*/
2613 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2614 if (interface_offsets_full [i] != -1) {
2615 interface_offsets_count ++;
2620 * We might get called twice: once from mono_class_init () then once from
2621 * mono_class_setup_vtable ().
2623 if (class->interfaces_packed) {
2624 g_assert (class->interface_offsets_count == interface_offsets_count);
2626 class->interface_offsets_count = interface_offsets_count;
2627 class->interfaces_packed = mono_image_alloc (class->image, sizeof (MonoClass*) * interface_offsets_count);
2628 class->interface_offsets_packed = mono_image_alloc (class->image, sizeof (guint16) * interface_offsets_count);
2629 class->interface_bitmap = mono_image_alloc0 (class->image, (sizeof (guint8) * ((max_iid + 1) >> 3)) + (((max_iid + 1) & 7)? 1 :0));
2630 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2631 if (interface_offsets_full [i] != -1) {
2632 class->interface_bitmap [i >> 3] |= (1 << (i & 7));
2633 class->interfaces_packed [interface_offsets_count] = interfaces_full [i];
2634 class->interface_offsets_packed [interface_offsets_count] = interface_offsets_full [i];
2635 /*if (num_array_interfaces)
2636 g_print ("type %s has %s offset at %d\n", mono_type_get_name_full (&class->byval_arg, 0), mono_type_get_name_full (&interfaces_full [i]->byval_arg, 0), interface_offsets_full [i]);*/
2637 interface_offsets_count ++;
2642 g_free (interfaces_full);
2643 g_free (interface_offsets_full);
2644 g_free (array_interfaces);
2646 //printf ("JUST DONE: ");
2647 //print_implemented_interfaces (class);
2653 * Setup interface offsets for interfaces.
2655 * - class->max_interface_id
2656 * - class->interface_offsets_count
2657 * - class->interfaces_packed
2658 * - class->interface_offsets_packed
2659 * - class->interface_bitmap
2662 mono_class_setup_interface_offsets (MonoClass *class)
2664 mono_loader_lock ();
2666 setup_interface_offsets (class, 0);
2668 mono_loader_unlock ();
2672 * mono_class_setup_vtable:
2674 * Creates the generic vtable of CLASS.
2675 * Initializes the following fields in MonoClass:
2678 * Plus all the fields initialized by setup_interface_offsets ().
2679 * If there is an error during vtable construction, class->exception_type is set.
2681 * LOCKING: Acquires the loader lock.
2684 mono_class_setup_vtable (MonoClass *class)
2686 MonoMethod **overrides;
2687 MonoGenericContext *context;
2696 if (mono_debug_using_mono_debugger ())
2697 /* The debugger currently depends on this */
2698 mono_class_setup_methods (class);
2700 if (MONO_CLASS_IS_INTERFACE (class)) {
2701 /* This sets method->slot for all methods if this is an interface */
2702 mono_class_setup_methods (class);
2706 mono_loader_lock ();
2708 if (class->vtable) {
2709 mono_loader_unlock ();
2713 mono_stats.generic_vtable_count ++;
2715 if (class->generic_class) {
2716 context = mono_class_get_context (class);
2717 type_token = class->generic_class->container_class->type_token;
2719 context = (MonoGenericContext *) class->generic_container;
2720 type_token = class->type_token;
2723 if (class->image->dynamic) {
2724 if (class->generic_class) {
2725 MonoClass *gklass = class->generic_class->container_class;
2727 mono_reflection_get_dynamic_overrides (gklass, &overrides, &onum);
2728 for (i = 0; i < onum; ++i) {
2729 MonoMethod *override = overrides [(i * 2) + 1];
2730 MonoMethod *inflated = NULL;
2733 for (j = 0; j < class->method.count; ++j) {
2734 if (gklass->methods [j] == override) {
2735 inflated = class->methods [j];
2739 g_assert (inflated);
2741 overrides [(i * 2) + 1] = inflated;
2744 mono_reflection_get_dynamic_overrides (class, &overrides, &onum);
2747 /* The following call fails if there are missing methods in the type */
2748 ok = mono_class_get_overrides_full (class->image, type_token, &overrides, &onum, context);
2752 mono_class_setup_vtable_general (class, overrides, onum);
2756 mono_loader_unlock ();
2762 check_core_clr_override_method (MonoClass *class, MonoMethod *override, MonoMethod *base)
2764 MonoSecurityCoreCLRLevel override_level = mono_security_core_clr_method_level (override, FALSE);
2765 MonoSecurityCoreCLRLevel base_level = mono_security_core_clr_method_level (base, FALSE);
2767 if (override_level != base_level && base_level == MONO_SECURITY_CORE_CLR_CRITICAL)
2768 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
2772 #define DEBUG_INTERFACE_VTABLE_CODE 0
2773 #define TRACE_INTERFACE_VTABLE_CODE 0
2774 #define VERIFY_INTERFACE_VTABLE_CODE 0
2776 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2777 #define DEBUG_INTERFACE_VTABLE(stmt) do {\
2781 #define DEBUG_INTERFACE_VTABLE(stmt)
2784 #if TRACE_INTERFACE_VTABLE_CODE
2785 #define TRACE_INTERFACE_VTABLE(stmt) do {\
2789 #define TRACE_INTERFACE_VTABLE(stmt)
2792 #if VERIFY_INTERFACE_VTABLE_CODE
2793 #define VERIFY_INTERFACE_VTABLE(stmt) do {\
2797 #define VERIFY_INTERFACE_VTABLE(stmt)
2801 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2803 mono_signature_get_full_desc (MonoMethodSignature *sig, gboolean include_namespace)
2807 GString *res = g_string_new ("");
2809 g_string_append_c (res, '(');
2810 for (i = 0; i < sig->param_count; ++i) {
2812 g_string_append_c (res, ',');
2813 mono_type_get_desc (res, sig->params [i], include_namespace);
2815 g_string_append (res, ")=>");
2816 if (sig->ret != NULL) {
2817 mono_type_get_desc (res, sig->ret, include_namespace);
2819 g_string_append (res, "NULL");
2822 g_string_free (res, FALSE);
2826 print_method_signatures (MonoMethod *im, MonoMethod *cm) {
2827 char *im_sig = mono_signature_get_full_desc (mono_method_signature (im), TRUE);
2828 char *cm_sig = mono_signature_get_full_desc (mono_method_signature (cm), TRUE);
2829 printf ("(IM \"%s\", CM \"%s\")", im_sig, cm_sig);
2837 check_interface_method_override (MonoClass *class, MonoMethod *im, MonoMethod *cm, gboolean require_newslot, gboolean interface_is_explicitly_implemented_by_class, gboolean slot_is_empty, gboolean security_enabled) {
2838 if (strcmp (im->name, cm->name) == 0) {
2839 if (! (cm->flags & METHOD_ATTRIBUTE_PUBLIC)) {
2840 TRACE_INTERFACE_VTABLE (printf ("[PUBLIC CHECK FAILED]"));
2843 if (! slot_is_empty) {
2844 if (require_newslot) {
2845 if (! interface_is_explicitly_implemented_by_class) {
2846 TRACE_INTERFACE_VTABLE (printf ("[NOT EXPLICIT IMPLEMENTATION IN FULL SLOT REFUSED]"));
2849 if (! (cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
2850 TRACE_INTERFACE_VTABLE (printf ("[NEWSLOT CHECK FAILED]"));
2854 TRACE_INTERFACE_VTABLE (printf ("[FULL SLOT REFUSED]"));
2857 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2858 TRACE_INTERFACE_VTABLE (printf ("[SIGNATURE CHECK FAILED "));
2859 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2860 TRACE_INTERFACE_VTABLE (printf ("]"));
2863 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS]"));
2864 /* CAS - SecurityAction.InheritanceDemand on interface */
2865 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2866 mono_secman_inheritancedemand_method (cm, im);
2869 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2870 check_core_clr_override_method (class, cm, im);
2871 TRACE_INTERFACE_VTABLE (printf ("[NAME CHECK OK]"));
2874 MonoClass *ic = im->klass;
2875 const char *ic_name_space = ic->name_space;
2876 const char *ic_name = ic->name;
2879 if (! require_newslot) {
2880 TRACE_INTERFACE_VTABLE (printf ("[INJECTED METHOD REFUSED]"));
2883 if (cm->klass->rank == 0) {
2884 TRACE_INTERFACE_VTABLE (printf ("[RANK CHECK FAILED]"));
2887 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2888 TRACE_INTERFACE_VTABLE (printf ("[(INJECTED) SIGNATURE CHECK FAILED "));
2889 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2890 TRACE_INTERFACE_VTABLE (printf ("]"));
2893 if (mono_class_get_image (ic) != mono_defaults.corlib) {
2894 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE CORLIB CHECK FAILED]"));
2897 if ((ic_name_space == NULL) || (strcmp (ic_name_space, "System.Collections.Generic") != 0)) {
2898 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAMESPACE CHECK FAILED]"));
2901 if ((ic_name == NULL) || ((strcmp (ic_name, "IEnumerable`1") != 0) && (strcmp (ic_name, "ICollection`1") != 0) && (strcmp (ic_name, "IList`1") != 0))) {
2902 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAME CHECK FAILED]"));
2906 subname = strstr (cm->name, ic_name_space);
2907 if (subname != cm->name) {
2908 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL NAMESPACE CHECK FAILED]"));
2911 subname += strlen (ic_name_space);
2912 if (subname [0] != '.') {
2913 TRACE_INTERFACE_VTABLE (printf ("[FIRST DOT CHECK FAILED]"));
2917 if (strstr (subname, ic_name) != subname) {
2918 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL CLASS NAME CHECK FAILED]"));
2921 subname += strlen (ic_name);
2922 if (subname [0] != '.') {
2923 TRACE_INTERFACE_VTABLE (printf ("[SECOND DOT CHECK FAILED]"));
2927 if (strcmp (subname, im->name) != 0) {
2928 TRACE_INTERFACE_VTABLE (printf ("[METHOD NAME CHECK FAILED]"));
2932 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS (INJECTED CASE)]"));
2933 /* CAS - SecurityAction.InheritanceDemand on interface */
2934 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2935 mono_secman_inheritancedemand_method (cm, im);
2938 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2939 check_core_clr_override_method (class, cm, im);
2941 TRACE_INTERFACE_VTABLE (printf ("[INJECTED INTERFACE CHECK OK]"));
2946 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2948 foreach_override (gpointer key, gpointer value, gpointer user_data) {
2949 MonoMethod *method = key;
2950 MonoMethod *override = value;
2951 MonoClass *method_class = mono_method_get_class (method);
2952 MonoClass *override_class = mono_method_get_class (override);
2954 printf (" Method '%s.%s:%s' has override '%s.%s:%s'\n",
2955 mono_class_get_namespace (method_class), mono_class_get_name (method_class), mono_method_get_name (method),
2956 mono_class_get_namespace (override_class), mono_class_get_name (override_class), mono_method_get_name (override));
2959 print_overrides (GHashTable *override_map, const char *message) {
2961 printf ("Override map \"%s\" START:\n", message);
2962 g_hash_table_foreach (override_map, foreach_override, NULL);
2963 printf ("Override map \"%s\" END.\n", message);
2965 printf ("Override map \"%s\" EMPTY.\n", message);
2969 print_vtable_full (MonoClass *class, MonoMethod** vtable, int size, int first_non_interface_slot, const char *message, gboolean print_interfaces) {
2970 char *full_name = mono_type_full_name (&class->byval_arg);
2974 printf ("*** Vtable for class '%s' at \"%s\" (size %d)\n", full_name, message, size);
2976 if (print_interfaces) {
2977 print_implemented_interfaces (class);
2978 printf ("* Interfaces for class '%s' done.\nStarting vtable (size %d):\n", full_name, size);
2981 if (class->parent) {
2982 parent_size = class->parent->vtable_size;
2986 for (i = 0; i < size; ++i) {
2987 MonoMethod *cm = vtable [i];
2989 char *cm_name = mono_method_full_name (cm, TRUE);
2990 char newness = (i < parent_size) ? 'O' : ((i < first_non_interface_slot) ? 'I' : 'N');
2991 printf (" [%c][%03d][INDEX %03d] %s\n", newness, i, cm->slot, cm_name);
3000 #if VERIFY_INTERFACE_VTABLE_CODE
3002 mono_method_try_get_vtable_index (MonoMethod *method)
3004 if (method->is_inflated && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) {
3005 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
3006 if (imethod->declaring->is_generic)
3007 return imethod->declaring->slot;
3009 return method->slot;
3013 mono_class_verify_vtable (MonoClass *class)
3016 char *full_name = mono_type_full_name (&class->byval_arg);
3018 printf ("*** Verifying VTable of class '%s' \n", full_name);
3022 if (!class->methods)
3025 for (i = 0; i < class->method.count; ++i) {
3026 MonoMethod *cm = class->methods [i];
3029 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL))
3033 full_name = mono_method_full_name (cm, TRUE);
3035 slot = mono_method_try_get_vtable_index (cm);
3037 if (slot >= class->vtable_size) {
3038 printf ("\tInvalid method %s at index %d with vtable of length %d\n", full_name, slot, class->vtable_size);
3042 if (slot >= 0 && class->vtable [slot] != cm && (class->vtable [slot] && class->vtable [slot]->wrapper_type != MONO_WRAPPER_STATIC_RGCTX_INVOKE)) {
3043 char *other_name = class->vtable [slot] ? mono_method_full_name (class->vtable [slot], TRUE) : g_strdup ("[null value]");
3044 printf ("\tMethod %s has slot %d but vtable has %s on it\n", full_name, slot, other_name);
3045 g_free (other_name);
3048 printf ("\tVirtual method %s does n't have an assigned slot\n", full_name);
3055 print_unimplemented_interface_method_info (MonoClass *class, MonoClass *ic, MonoMethod *im, int im_slot, MonoMethod **overrides, int onum) {
3057 char *method_signature;
3059 for (index = 0; index < onum; ++index) {
3060 g_print (" at slot %d: %s (%d) overrides %s (%d)\n", im_slot, overrides [index*2+1]->name,
3061 overrides [index*2+1]->slot, overrides [index*2]->name, overrides [index*2]->slot);
3063 method_signature = mono_signature_get_desc (mono_method_signature (im), FALSE);
3064 printf ("no implementation for interface method %s::%s(%s) in class %s.%s\n",
3065 mono_type_get_name (&ic->byval_arg), im->name, method_signature, class->name_space, class->name);
3066 g_free (method_signature);
3067 mono_class_setup_methods (class);
3068 for (index = 0; index < class->method.count; ++index) {
3069 MonoMethod *cm = class->methods [index];
3070 method_signature = mono_signature_get_desc (mono_method_signature (cm), TRUE);
3072 printf ("METHOD %s(%s)\n", cm->name, method_signature);
3073 g_free (method_signature);
3078 * LOCKING: this is supposed to be called with the loader lock held.
3081 mono_class_setup_vtable_general (MonoClass *class, MonoMethod **overrides, int onum)
3084 MonoMethod **vtable;
3085 int i, max_vtsize = 0, max_iid, cur_slot = 0;
3086 GPtrArray *ifaces = NULL;
3087 GHashTable *override_map = NULL;
3088 gboolean security_enabled = mono_is_security_manager_active ();
3090 gpointer class_iter;
3091 #if (DEBUG_INTERFACE_VTABLE_CODE|TRACE_INTERFACE_VTABLE_CODE)
3092 int first_non_interface_slot;
3098 ifaces = mono_class_get_implemented_interfaces (class);
3100 for (i = 0; i < ifaces->len; i++) {
3101 MonoClass *ic = g_ptr_array_index (ifaces, i);
3102 max_vtsize += ic->method.count;
3104 g_ptr_array_free (ifaces, TRUE);
3108 if (class->parent) {
3109 mono_class_init (class->parent);
3110 mono_class_setup_vtable (class->parent);
3111 max_vtsize += class->parent->vtable_size;
3112 cur_slot = class->parent->vtable_size;
3115 max_vtsize += class->method.count;
3117 vtable = alloca (sizeof (gpointer) * max_vtsize);
3118 memset (vtable, 0, sizeof (gpointer) * max_vtsize);
3120 /* printf ("METAINIT %s.%s\n", class->name_space, class->name); */
3122 cur_slot = setup_interface_offsets (class, cur_slot);
3123 max_iid = class->max_interface_id;
3124 DEBUG_INTERFACE_VTABLE (first_non_interface_slot = cur_slot);
3126 /* Optimized version for generic instances */
3127 if (class->generic_class) {
3128 MonoClass *gklass = class->generic_class->container_class;
3129 gboolean usable = TRUE;
3131 mono_class_setup_vtable (gklass);
3132 for (i = 0; i < gklass->vtable_size; ++i)
3133 if (gklass->vtable [i] && gklass->vtable [i]->wrapper_type == MONO_WRAPPER_STATIC_RGCTX_INVOKE)
3137 MonoMethod **tmp = mono_image_alloc0 (class->image, sizeof (gpointer) * gklass->vtable_size);
3138 class->vtable_size = gklass->vtable_size;
3139 for (i = 0; i < gklass->vtable_size; ++i)
3140 if (gklass->vtable [i])
3141 tmp [i] = mono_class_inflate_generic_method_full (gklass->vtable [i], class, mono_class_get_context (class));
3142 mono_memory_barrier ();
3143 class->vtable = tmp;
3145 /* Have to set method->slot for abstract virtual methods */
3146 if (class->methods && gklass->methods) {
3147 for (i = 0; i < class->method.count; ++i)
3148 if (class->methods [i]->slot == -1)
3149 class->methods [i]->slot = gklass->methods [i]->slot;
3156 if (class->parent && class->parent->vtable_size) {
3157 MonoClass *parent = class->parent;
3160 memcpy (vtable, parent->vtable, sizeof (gpointer) * parent->vtable_size);
3162 // Also inherit parent interface vtables, just as a starting point.
3163 // This is needed otherwise bug-77127.exe fails when the property methods
3164 // have different names in the iterface and the class, because for child
3165 // classes the ".override" information is not used anymore.
3166 for (i = 0; i < parent->interface_offsets_count; i++) {
3167 MonoClass *parent_interface = parent->interfaces_packed [i];
3168 int interface_offset = mono_class_interface_offset (class, parent_interface);
3170 if (interface_offset >= parent->vtable_size) {
3171 int parent_interface_offset = mono_class_interface_offset (parent, parent_interface);
3174 mono_class_setup_methods (parent_interface);
3175 TRACE_INTERFACE_VTABLE (printf (" +++ Inheriting interface %s.%s\n", parent_interface->name_space, parent_interface->name));
3176 for (j = 0; j < parent_interface->method.count; j++) {
3177 vtable [interface_offset + j] = parent->vtable [parent_interface_offset + j];
3178 TRACE_INTERFACE_VTABLE (printf (" --- Inheriting: [%03d][(%03d)+(%03d)] => [%03d][(%03d)+(%03d)]\n",
3179 parent_interface_offset + j, parent_interface_offset, j,
3180 interface_offset + j, interface_offset, j));
3187 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER INHERITING PARENT VTABLE", TRUE));
3188 /* override interface methods */
3189 for (i = 0; i < onum; i++) {
3190 MonoMethod *decl = overrides [i*2];
3191 if (MONO_CLASS_IS_INTERFACE (decl->klass)) {
3193 dslot = mono_method_get_vtable_slot (decl) + mono_class_interface_offset (class, decl->klass);
3194 vtable [dslot] = overrides [i*2 + 1];
3195 vtable [dslot]->slot = dslot;
3197 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3199 g_hash_table_insert (override_map, overrides [i * 2], overrides [i * 2 + 1]);
3201 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3202 check_core_clr_override_method (class, vtable [dslot], decl);
3205 TRACE_INTERFACE_VTABLE (print_overrides (override_map, "AFTER OVERRIDING INTERFACE METHODS"));
3206 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER OVERRIDING INTERFACE METHODS", FALSE));
3208 // Loop on all implemented interfaces...
3209 for (i = 0; i < class->interface_offsets_count; i++) {
3210 MonoClass *parent = class->parent;
3212 gboolean interface_is_explicitly_implemented_by_class;
3215 ic = class->interfaces_packed [i];
3216 ic_offset = mono_class_interface_offset (class, ic);
3218 mono_class_setup_methods (ic);
3220 // Check if this interface is explicitly implemented (instead of just inherited)
3221 if (parent != NULL) {
3222 int implemented_interfaces_index;
3223 interface_is_explicitly_implemented_by_class = FALSE;
3224 for (implemented_interfaces_index = 0; implemented_interfaces_index < class->interface_count; implemented_interfaces_index++) {
3225 if (ic == class->interfaces [implemented_interfaces_index]) {
3226 interface_is_explicitly_implemented_by_class = TRUE;
3231 interface_is_explicitly_implemented_by_class = TRUE;
3234 // Loop on all interface methods...
3235 for (im_index = 0; im_index < ic->method.count; im_index++) {
3236 MonoMethod *im = ic->methods [im_index];
3237 int im_slot = ic_offset + im->slot;
3238 MonoMethod *override_im = (override_map != NULL) ? g_hash_table_lookup (override_map, im) : NULL;
3240 if (im->flags & METHOD_ATTRIBUTE_STATIC)
3243 // If there is an explicit implementation, just use it right away,
3244 // otherwise look for a matching method
3245 if (override_im == NULL) {
3250 // First look for a suitable method among the class methods
3252 while ((cm = mono_class_get_virtual_methods (class, &iter))) {
3253 TRACE_INTERFACE_VTABLE (printf (" For slot %d ('%s'.'%s':'%s'), trying method '%s'.'%s':'%s'... [EXPLICIT IMPLEMENTATION = %d][SLOT IS NULL = %d]", im_slot, ic->name_space, ic->name, im->name, cm->klass->name_space, cm->klass->name, cm->name, interface_is_explicitly_implemented_by_class, (vtable [im_slot] == NULL)));
3254 if (check_interface_method_override (class, im, cm, TRUE, interface_is_explicitly_implemented_by_class, (vtable [im_slot] == NULL), security_enabled)) {
3255 TRACE_INTERFACE_VTABLE (printf ("[check ok]: ASSIGNING"));
3256 vtable [im_slot] = cm;
3257 /* Why do we need this? */
3262 TRACE_INTERFACE_VTABLE (printf ("\n"));
3265 // If the slot is still empty, look in all the inherited virtual methods...
3266 if ((vtable [im_slot] == NULL) && class->parent != NULL) {
3267 MonoClass *parent = class->parent;
3268 // Reverse order, so that last added methods are preferred
3269 for (cm_index = parent->vtable_size - 1; cm_index >= 0; cm_index--) {
3270 MonoMethod *cm = parent->vtable [cm_index];
3272 TRACE_INTERFACE_VTABLE ((cm != NULL) && printf (" For slot %d ('%s'.'%s':'%s'), trying (ancestor) method '%s'.'%s':'%s'... ", im_slot, ic->name_space, ic->name, im->name, cm->klass->name_space, cm->klass->name, cm->name));
3273 if ((cm != NULL) && check_interface_method_override (class, im, cm, FALSE, FALSE, TRUE, security_enabled)) {
3274 TRACE_INTERFACE_VTABLE (printf ("[everything ok]: ASSIGNING"));
3275 vtable [im_slot] = cm;
3276 /* Why do we need this? */
3282 TRACE_INTERFACE_VTABLE ((cm != NULL) && printf ("\n"));
3286 g_assert (vtable [im_slot] == override_im);
3291 // If the class is not abstract, check that all its interface slots are full.
3292 // The check is done here and not directly at the end of the loop above because
3293 // it can happen (for injected generic array interfaces) that the same slot is
3294 // processed multiple times (those interfaces have overlapping slots), and it
3295 // will not always be the first pass the one that fills the slot.
3296 if (! (class->flags & TYPE_ATTRIBUTE_ABSTRACT)) {
3297 for (i = 0; i < class->interface_offsets_count; i++) {
3301 ic = class->interfaces_packed [i];
3302 ic_offset = mono_class_interface_offset (class, ic);
3304 for (im_index = 0; im_index < ic->method.count; im_index++) {
3305 MonoMethod *im = ic->methods [im_index];
3306 int im_slot = ic_offset + im->slot;
3308 if (im->flags & METHOD_ATTRIBUTE_STATIC)
3311 TRACE_INTERFACE_VTABLE (printf (" [class is not abstract, checking slot %d for interface '%s'.'%s', method %s, slot check is %d]\n",
3312 im_slot, ic->name_space, ic->name, im->name, (vtable [im_slot] == NULL)));
3313 if (vtable [im_slot] == NULL) {
3314 print_unimplemented_interface_method_info (class, ic, im, im_slot, overrides, onum);
3315 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3317 g_hash_table_destroy (override_map);
3324 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER SETTING UP INTERFACE METHODS", FALSE));
3326 while ((cm = mono_class_get_virtual_methods (class, &class_iter))) {
3328 * If the method is REUSE_SLOT, we must check in the
3329 * base class for a method to override.
3331 if (!(cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
3333 for (k = class->parent; k ; k = k->parent) {
3338 while ((m1 = mono_class_get_virtual_methods (k, &k_iter))) {
3339 MonoMethodSignature *cmsig, *m1sig;
3341 cmsig = mono_method_signature (cm);
3342 m1sig = mono_method_signature (m1);
3344 if (!cmsig || !m1sig) {
3345 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3349 if (!strcmp(cm->name, m1->name) &&
3350 mono_metadata_signature_equal (cmsig, m1sig)) {
3352 /* CAS - SecurityAction.InheritanceDemand */
3353 if (security_enabled && (m1->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
3354 mono_secman_inheritancedemand_method (cm, m1);
3357 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3358 check_core_clr_override_method (class, cm, m1);
3360 slot = mono_method_get_vtable_slot (m1);
3361 g_assert (cm->slot < max_vtsize);
3363 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3364 g_hash_table_insert (override_map, m1, cm);
3376 cm->slot = cur_slot++;
3378 if (!(cm->flags & METHOD_ATTRIBUTE_ABSTRACT))
3379 vtable [cm->slot] = cm;
3382 /* override non interface methods */
3383 for (i = 0; i < onum; i++) {
3384 MonoMethod *decl = overrides [i*2];
3385 if (!MONO_CLASS_IS_INTERFACE (decl->klass)) {
3386 g_assert (decl->slot != -1);
3387 vtable [decl->slot] = overrides [i*2 + 1];
3388 overrides [i * 2 + 1]->slot = decl->slot;
3390 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3391 g_hash_table_insert (override_map, decl, overrides [i * 2 + 1]);
3393 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3394 check_core_clr_override_method (class, vtable [decl->slot], decl);
3399 * If a method occupies more than one place in the vtable, and it is
3400 * overriden, then change the other occurances too.
3403 for (i = 0; i < max_vtsize; ++i)
3405 MonoMethod *cm = g_hash_table_lookup (override_map, vtable [i]);
3410 g_hash_table_destroy (override_map);
3413 if (class->generic_class) {
3414 MonoClass *gklass = class->generic_class->container_class;
3416 mono_class_init (gklass);
3418 class->vtable_size = MAX (gklass->vtable_size, cur_slot);
3420 /* Check that the vtable_size value computed in mono_class_init () is correct */
3421 if (class->vtable_size)
3422 g_assert (cur_slot == class->vtable_size);
3423 class->vtable_size = cur_slot;
3426 /* FIXME: only do this if the class is actually sharable */
3427 if (class->valuetype && (class->generic_class || class->generic_container) &&
3428 mono_class_generic_sharing_enabled (class)) {
3429 for (i = 0; i < max_vtsize; ++i) {
3430 if (vtable [i] && vtable [i]->wrapper_type == MONO_WRAPPER_NONE)
3431 vtable [i] = mono_marshal_get_static_rgctx_invoke (vtable [i]);
3435 /* Try to share the vtable with our parent. */
3436 if (class->parent && (class->parent->vtable_size == class->vtable_size) && (memcmp (class->parent->vtable, vtable, sizeof (gpointer) * class->vtable_size) == 0)) {
3437 mono_memory_barrier ();
3438 class->vtable = class->parent->vtable;
3440 MonoMethod **tmp = mono_image_alloc0 (class->image, sizeof (gpointer) * class->vtable_size);
3441 memcpy (tmp, vtable, sizeof (gpointer) * class->vtable_size);
3442 mono_memory_barrier ();
3443 class->vtable = tmp;
3446 DEBUG_INTERFACE_VTABLE (print_vtable_full (class, class->vtable, class->vtable_size, first_non_interface_slot, "FINALLY", FALSE));
3447 if (mono_print_vtable) {
3450 print_implemented_interfaces (class);
3452 for (i = 0; i <= max_iid; i++)
3453 if (MONO_CLASS_IMPLEMENTS_INTERFACE (class, i))
3456 printf ("VTable %s (vtable entries = %d, interfaces = %d)\n", mono_type_full_name (&class->byval_arg),
3457 class->vtable_size, icount);
3459 for (i = 0; i < class->vtable_size; ++i) {
3464 printf (" slot assigned: %03d, slot index: %03d %s\n", i, cm->slot,
3465 mono_method_full_name (cm, TRUE));
3471 printf ("Interfaces %s.%s (max_iid = %d)\n", class->name_space,
3472 class->name, max_iid);
3474 for (i = 0; i < class->interface_count; i++) {
3475 ic = class->interfaces [i];
3476 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3477 mono_class_interface_offset (class, ic),
3478 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3481 for (k = class->parent; k ; k = k->parent) {
3482 for (i = 0; i < k->interface_count; i++) {
3483 ic = k->interfaces [i];
3484 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3485 mono_class_interface_offset (class, ic),
3486 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3492 VERIFY_INTERFACE_VTABLE (mono_class_verify_vtable (class));
3496 * mono_method_get_vtable_slot:
3498 * Returns method->slot, computing it if neccesary.
3499 * LOCKING: Acquires the loader lock.
3502 mono_method_get_vtable_slot (MonoMethod *method)
3504 if (method->slot == -1) {
3505 mono_class_setup_vtable (method->klass);
3506 g_assert (method->slot != -1);
3508 return method->slot;
3512 * mono_method_get_vtable_index:
3515 * Returns the index into the runtime vtable to access the method or,
3516 * in the case of a virtual generic method, the virtual generic method
3520 mono_method_get_vtable_index (MonoMethod *method)
3522 if (method->is_inflated && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) {
3523 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
3524 if (imethod->declaring->is_generic)
3525 return mono_method_get_vtable_slot (imethod->declaring);
3527 return mono_method_get_vtable_slot (method);
3530 static MonoMethod *default_ghc = NULL;
3531 static MonoMethod *default_finalize = NULL;
3532 static int finalize_slot = -1;
3533 static int ghc_slot = -1;
3536 initialize_object_slots (MonoClass *class)
3541 if (class == mono_defaults.object_class) {
3542 mono_class_setup_vtable (class);
3543 for (i = 0; i < class->vtable_size; ++i) {
3544 MonoMethod *cm = class->vtable [i];
3546 if (!strcmp (cm->name, "GetHashCode"))
3548 else if (!strcmp (cm->name, "Finalize"))
3552 g_assert (ghc_slot > 0);
3553 default_ghc = class->vtable [ghc_slot];
3555 g_assert (finalize_slot > 0);
3556 default_finalize = class->vtable [finalize_slot];
3561 g_list_prepend_mempool (GList* l, MonoMemPool* mp, gpointer datum)
3563 GList* n = mono_mempool_alloc (mp, sizeof (GList));
3571 MonoMethod *array_method;
3573 } GenericArrayMethodInfo;
3575 static int generic_array_method_num = 0;
3576 static GenericArrayMethodInfo *generic_array_method_info = NULL;
3579 generic_array_methods (MonoClass *class)
3581 int i, count_generic = 0;
3582 GList *list = NULL, *tmp;
3583 if (generic_array_method_num)
3584 return generic_array_method_num;
3585 mono_class_setup_methods (class->parent);
3586 for (i = 0; i < class->parent->method.count; i++) {
3587 MonoMethod *m = class->parent->methods [i];
3588 if (!strncmp (m->name, "InternalArray__", 15)) {
3590 list = g_list_prepend (list, m);
3593 list = g_list_reverse (list);
3594 generic_array_method_info = g_malloc (sizeof (GenericArrayMethodInfo) * count_generic);
3596 for (tmp = list; tmp; tmp = tmp->next) {
3597 const char *mname, *iname;
3599 MonoMethod *m = tmp->data;
3600 generic_array_method_info [i].array_method = m;
3601 if (!strncmp (m->name, "InternalArray__ICollection_", 27)) {
3602 iname = "System.Collections.Generic.ICollection`1.";
3603 mname = m->name + 27;
3604 } else if (!strncmp (m->name, "InternalArray__IEnumerable_", 27)) {
3605 iname = "System.Collections.Generic.IEnumerable`1.";
3606 mname = m->name + 27;
3607 } else if (!strncmp (m->name, "InternalArray__", 15)) {
3608 iname = "System.Collections.Generic.IList`1.";
3609 mname = m->name + 15;
3611 g_assert_not_reached ();
3614 name = mono_image_alloc (mono_defaults.corlib, strlen (iname) + strlen (mname) + 1);
3615 strcpy (name, iname);
3616 strcpy (name + strlen (iname), mname);
3617 generic_array_method_info [i].name = name;
3620 /*g_print ("array generic methods: %d\n", count_generic);*/
3622 generic_array_method_num = count_generic;
3624 return generic_array_method_num;
3628 setup_generic_array_ifaces (MonoClass *class, MonoClass *iface, MonoMethod **methods, int pos)
3630 MonoGenericContext tmp_context;
3633 tmp_context.class_inst = NULL;
3634 tmp_context.method_inst = iface->generic_class->context.class_inst;
3635 //g_print ("setting up array interface: %s\n", mono_type_get_name_full (&iface->byval_arg, 0));
3637 for (i = 0; i < generic_array_method_num; i++) {
3638 MonoMethod *m = generic_array_method_info [i].array_method;
3639 MonoMethod *inflated;
3641 inflated = mono_class_inflate_generic_method (m, &tmp_context);
3642 methods [pos++] = mono_marshal_get_generic_array_helper (class, iface, generic_array_method_info [i].name, inflated);
3647 concat_two_strings_with_zero (MonoImage *image, const char *s1, const char *s2)
3649 int len = strlen (s1) + strlen (s2) + 2;
3650 char *s = mono_image_alloc (image, len);
3653 result = g_snprintf (s, len, "%s%c%s", s1, '\0', s2);
3654 g_assert (result == len - 1);
3660 set_failure_from_loader_error (MonoClass *class, MonoLoaderError *error)
3662 gpointer exception_data = NULL;
3664 switch (error->exception_type) {
3665 case MONO_EXCEPTION_TYPE_LOAD:
3666 exception_data = concat_two_strings_with_zero (class->image, error->class_name, error->assembly_name);
3669 case MONO_EXCEPTION_MISSING_METHOD:
3670 exception_data = concat_two_strings_with_zero (class->image, error->class_name, error->member_name);
3673 case MONO_EXCEPTION_MISSING_FIELD: {
3674 const char *name_space = error->klass->name_space ? error->klass->name_space : NULL;
3675 const char *class_name;
3678 class_name = g_strdup_printf ("%s.%s", name_space, error->klass->name);
3680 class_name = error->klass->name;
3682 exception_data = concat_two_strings_with_zero (class->image, class_name, error->member_name);
3685 g_free ((void*)class_name);
3689 case MONO_EXCEPTION_FILE_NOT_FOUND: {
3692 if (error->ref_only)
3693 msg = "Cannot resolve dependency to assembly '%s' because it has not been preloaded. When using the ReflectionOnly APIs, dependent assemblies must be pre-loaded or loaded on demand through the ReflectionOnlyAssemblyResolve event.";
3695 msg = "Could not load file or assembly '%s' or one of its dependencies.";
3697 exception_data = concat_two_strings_with_zero (class->image, msg, error->assembly_name);
3701 case MONO_EXCEPTION_BAD_IMAGE:
3702 exception_data = error->msg;
3706 g_assert_not_reached ();
3709 mono_class_set_failure (class, error->exception_type, exception_data);
3713 check_core_clr_inheritance (MonoClass *class)
3715 MonoSecurityCoreCLRLevel class_level, parent_level;
3716 MonoClass *parent = class->parent;
3721 class_level = mono_security_core_clr_class_level (class);
3722 parent_level = mono_security_core_clr_class_level (parent);
3724 if (class_level < parent_level)
3725 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3730 * @class: the class to initialize
3732 * Compute the instance_size, class_size and other infos that cannot be
3733 * computed at mono_class_get() time. Also compute vtable_size if possible.
3734 * Returns TRUE on success or FALSE if there was a problem in loading
3735 * the type (incorrect assemblies, missing assemblies, methods, etc).
3737 * LOCKING: Acquires the loader lock.
3740 mono_class_init (MonoClass *class)
3743 MonoCachedClassInfo cached_info;
3744 gboolean has_cached_info;
3745 int class_init_ok = TRUE;
3749 /* Double-checking locking pattern */
3751 return class->exception_type == MONO_EXCEPTION_NONE;
3753 /*g_print ("Init class %s\n", class->name);*/
3755 /* We do everything inside the lock to prevent races */
3756 mono_loader_lock ();
3758 if (class->inited) {
3759 mono_loader_unlock ();
3760 /* Somebody might have gotten in before us */
3761 return class->exception_type == MONO_EXCEPTION_NONE;
3764 if (class->init_pending) {
3765 mono_loader_unlock ();
3766 /* this indicates a cyclic dependency */
3767 g_error ("pending init %s.%s\n", class->name_space, class->name);
3770 class->init_pending = 1;
3772 /* CAS - SecurityAction.InheritanceDemand */
3773 if (mono_is_security_manager_active () && class->parent && (class->parent->flags & TYPE_ATTRIBUTE_HAS_SECURITY)) {
3774 mono_secman_inheritancedemand_class (class, class->parent);
3777 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3778 check_core_clr_inheritance (class);
3780 mono_stats.initialized_class_count++;
3782 if (class->generic_class && !class->generic_class->is_dynamic) {
3783 MonoClass *gklass = class->generic_class->container_class;
3785 mono_stats.generic_class_count++;
3787 class->method = gklass->method;
3788 class->field = gklass->field;
3790 mono_class_init (gklass);
3791 // FIXME: Why is this needed ?
3792 mono_class_setup_methods (gklass);
3794 if (MONO_CLASS_IS_INTERFACE (class))
3795 class->interface_id = mono_get_unique_iid (class);
3797 g_assert (class->interface_count == gklass->interface_count);
3800 if (class->parent && !class->parent->inited)
3801 mono_class_init (class->parent);
3803 has_cached_info = mono_class_get_cached_class_info (class, &cached_info);
3805 if (class->generic_class || class->image->dynamic || !class->type_token || (has_cached_info && !cached_info.has_nested_classes))
3806 class->nested_classes_inited = TRUE;
3809 * Computes the size used by the fields, and their locations
3811 if (has_cached_info) {
3812 class->instance_size = cached_info.instance_size;
3813 class->sizes.class_size = cached_info.class_size;
3814 class->packing_size = cached_info.packing_size;
3815 class->min_align = cached_info.min_align;
3816 class->blittable = cached_info.blittable;
3817 class->has_references = cached_info.has_references;
3818 class->has_static_refs = cached_info.has_static_refs;
3819 class->no_special_static_fields = cached_info.no_special_static_fields;
3822 if (!class->size_inited){
3823 mono_class_setup_fields (class);
3824 if (class->exception_type || mono_loader_get_last_error ()){
3825 class_init_ok = FALSE;
3830 /* Initialize arrays */
3832 class->method.count = 3 + (class->rank > 1? 2: 1);
3834 if (class->interface_count) {
3835 int count_generic = generic_array_methods (class);
3836 class->method.count += class->interface_count * count_generic;
3840 mono_class_setup_supertypes (class);
3843 initialize_object_slots (class);
3846 * Initialize the rest of the data without creating a generic vtable if possible.
3847 * If possible, also compute vtable_size, so mono_class_create_runtime_vtable () can
3848 * also avoid computing a generic vtable.
3850 if (has_cached_info) {
3852 class->vtable_size = cached_info.vtable_size;
3853 class->has_finalize = cached_info.has_finalize;
3854 class->ghcimpl = cached_info.ghcimpl;
3855 class->has_cctor = cached_info.has_cctor;
3856 } else if (class->rank == 1 && class->byval_arg.type == MONO_TYPE_SZARRAY) {
3857 static int szarray_vtable_size = 0;
3860 if (!szarray_vtable_size) {
3861 mono_class_setup_vtable (class);
3862 szarray_vtable_size = class->vtable_size;
3864 class->vtable_size = szarray_vtable_size;
3866 } else if (class->generic_class && !MONO_CLASS_IS_INTERFACE (class)) {
3867 MonoClass *gklass = class->generic_class->container_class;
3869 /* Generic instance case */
3870 class->ghcimpl = gklass->ghcimpl;
3871 class->has_finalize = gklass->has_finalize;
3872 class->has_cctor = gklass->has_cctor;
3874 mono_class_setup_vtable (gklass);
3875 if (gklass->exception_type)
3878 class->vtable_size = gklass->vtable_size;
3882 /* ghcimpl is not currently used
3884 if (class->parent) {
3885 MonoMethod *cmethod = class->vtable [ghc_slot];
3886 if (cmethod->is_inflated)
3887 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3888 if (cmethod == default_ghc) {
3894 /* Interfaces and valuetypes are not supposed to have finalizers */
3895 if (!(MONO_CLASS_IS_INTERFACE (class) || class->valuetype)) {
3896 MonoMethod *cmethod = NULL;
3898 if (class->parent && class->parent->has_finalize) {
3899 class->has_finalize = 1;
3901 if (class->type_token) {
3902 cmethod = find_method_in_metadata (class, "Finalize", 0, METHOD_ATTRIBUTE_VIRTUAL);
3903 } else if (class->parent) {
3904 /* FIXME: Optimize this */
3905 mono_class_setup_vtable (class);
3906 if (class->exception_type || mono_loader_get_last_error ())
3908 cmethod = class->vtable [finalize_slot];
3912 /* Check that this is really the finalizer method */
3913 mono_class_setup_vtable (class);
3914 if (class->exception_type || mono_loader_get_last_error ())
3917 class->has_finalize = 0;
3918 if (class->parent) {
3919 cmethod = class->vtable [finalize_slot];
3920 if (cmethod->is_inflated)
3921 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3922 if (cmethod != default_finalize) {
3923 class->has_finalize = 1;
3930 /* C# doesn't allow interfaces to have cctors */
3931 if (!MONO_CLASS_IS_INTERFACE (class) || class->image != mono_defaults.corlib) {
3932 MonoMethod *cmethod = NULL;
3934 if (class->type_token) {
3935 cmethod = find_method_in_metadata (class, ".cctor", 0, METHOD_ATTRIBUTE_SPECIAL_NAME);
3936 /* The find_method function ignores the 'flags' argument */
3937 if (cmethod && (cmethod->flags & METHOD_ATTRIBUTE_SPECIAL_NAME))
3938 class->has_cctor = 1;
3940 mono_class_setup_methods (class);
3942 for (i = 0; i < class->method.count; ++i) {
3943 MonoMethod *method = class->methods [i];
3944 if ((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3945 (strcmp (".cctor", method->name) == 0)) {
3946 class->has_cctor = 1;
3954 if (!mono_setup_vtable_in_class_init) {
3956 * This is an embedding API break, since the caller might assume that
3957 * mono_class_init () constructs a generic vtable, so vtable construction errors
3958 * are visible right after the mono_class_init (), and not after
3959 * mono_class_vtable ().
3961 if (class->parent) {
3962 /* This will compute class->parent->vtable_size for some classes */
3963 mono_class_init (class->parent);
3964 if (class->parent->exception_type || mono_loader_get_last_error ())
3966 if (!class->parent->vtable_size) {
3967 /* FIXME: Get rid of this somehow */
3968 mono_class_setup_vtable (class->parent);
3969 if (class->parent->exception_type || mono_loader_get_last_error ())
3972 setup_interface_offsets (class, class->parent->vtable_size);
3974 setup_interface_offsets (class, 0);
3977 mono_class_setup_vtable (class);
3979 if (MONO_CLASS_IS_INTERFACE (class))
3980 setup_interface_offsets (class, 0);
3983 if (mono_verifier_is_enabled_for_class (class) && !mono_verifier_verify_class (class)) {
3984 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, concat_two_strings_with_zero (class->image, class->name, class->image->assembly_name));
3985 class_init_ok = FALSE;
3991 class_init_ok = FALSE;
3994 /* Because of the double-checking locking pattern */
3995 mono_memory_barrier ();
3997 class->init_pending = 0;
3999 if (mono_loader_get_last_error ()) {
4000 if (class->exception_type == MONO_EXCEPTION_NONE)
4001 set_failure_from_loader_error (class, mono_loader_get_last_error ());
4003 mono_loader_clear_error ();
4006 mono_loader_unlock ();
4008 if (mono_debugger_class_init_func)
4009 mono_debugger_class_init_func (class);
4011 return class_init_ok;
4015 is_corlib_image (MonoImage *image)
4017 /* FIXME: allow the dynamic case for our compilers and with full trust */
4019 return image->assembly && !strcmp (image->assembly->aname.name, "mscorlib");
4021 return image == mono_defaults.corlib;
4025 * LOCKING: this assumes the loader lock is held
4028 mono_class_setup_mono_type (MonoClass *class)
4030 const char *name = class->name;
4031 const char *nspace = class->name_space;
4032 gboolean is_corlib = is_corlib_image (class->image);
4034 class->this_arg.byref = 1;
4035 class->this_arg.data.klass = class;
4036 class->this_arg.type = MONO_TYPE_CLASS;
4037 class->byval_arg.data.klass = class;
4038 class->byval_arg.type = MONO_TYPE_CLASS;
4040 if (is_corlib && !strcmp (nspace, "System")) {
4041 if (!strcmp (name, "ValueType")) {
4043 * do not set the valuetype bit for System.ValueType.
4044 * class->valuetype = 1;
4046 class->blittable = TRUE;
4047 } else if (!strcmp (name, "Enum")) {
4049 * do not set the valuetype bit for System.Enum.
4050 * class->valuetype = 1;
4052 class->valuetype = 0;
4053 class->enumtype = 0;
4054 } else if (!strcmp (name, "Object")) {
4055 class->this_arg.type = class->byval_arg.type = MONO_TYPE_OBJECT;
4056 } else if (!strcmp (name, "String")) {
4057 class->this_arg.type = class->byval_arg.type = MONO_TYPE_STRING;
4058 } else if (!strcmp (name, "TypedReference")) {
4059 class->this_arg.type = class->byval_arg.type = MONO_TYPE_TYPEDBYREF;
4063 if (class->valuetype) {
4064 int t = MONO_TYPE_VALUETYPE;
4066 if (is_corlib && !strcmp (nspace, "System")) {
4069 if (!strcmp (name, "Boolean")) {
4070 t = MONO_TYPE_BOOLEAN;
4071 } else if (!strcmp(name, "Byte")) {
4073 class->blittable = TRUE;
4077 if (!strcmp (name, "Char")) {
4082 if (!strcmp (name, "Double")) {
4084 class->blittable = TRUE;
4088 if (!strcmp (name, "Int32")) {
4090 class->blittable = TRUE;
4091 } else if (!strcmp(name, "Int16")) {
4093 class->blittable = TRUE;
4094 } else if (!strcmp(name, "Int64")) {
4096 class->blittable = TRUE;
4097 } else if (!strcmp(name, "IntPtr")) {
4099 class->blittable = TRUE;
4103 if (!strcmp (name, "Single")) {
4105 class->blittable = TRUE;
4106 } else if (!strcmp(name, "SByte")) {
4108 class->blittable = TRUE;
4112 if (!strcmp (name, "UInt32")) {
4114 class->blittable = TRUE;
4115 } else if (!strcmp(name, "UInt16")) {
4117 class->blittable = TRUE;
4118 } else if (!strcmp(name, "UInt64")) {
4120 class->blittable = TRUE;
4121 } else if (!strcmp(name, "UIntPtr")) {
4123 class->blittable = TRUE;
4127 if (!strcmp (name, "TypedReference")) {
4128 t = MONO_TYPE_TYPEDBYREF;
4129 class->blittable = TRUE;
4133 if (!strcmp (name, "Void")) {
4141 class->this_arg.type = class->byval_arg.type = t;
4144 if (MONO_CLASS_IS_INTERFACE (class))
4145 class->interface_id = mono_get_unique_iid (class);
4150 * LOCKING: this assumes the loader lock is held
4153 mono_class_setup_parent (MonoClass *class, MonoClass *parent)
4155 gboolean system_namespace;
4156 gboolean is_corlib = is_corlib_image (class->image);
4158 system_namespace = !strcmp (class->name_space, "System") && is_corlib;
4160 /* if root of the hierarchy */
4161 if (system_namespace && !strcmp (class->name, "Object")) {
4162 class->parent = NULL;
4163 class->instance_size = sizeof (MonoObject);
4166 if (!strcmp (class->name, "<Module>")) {
4167 class->parent = NULL;
4168 class->instance_size = 0;
4172 if (!MONO_CLASS_IS_INTERFACE (class)) {
4173 /* Imported COM Objects always derive from __ComObject. */
4174 if (MONO_CLASS_IS_IMPORT (class)) {
4175 mono_init_com_types ();
4176 if (parent == mono_defaults.object_class)
4177 parent = mono_defaults.com_object_class;
4180 /* set the parent to something useful and safe, but mark the type as broken */
4181 parent = mono_defaults.object_class;
4182 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
4185 class->parent = parent;
4187 if (parent->generic_class && !parent->name) {
4189 * If the parent is a generic instance, we may get
4190 * called before it is fully initialized, especially
4191 * before it has its name.
4196 class->marshalbyref = parent->marshalbyref;
4197 class->contextbound = parent->contextbound;
4198 class->delegate = parent->delegate;
4199 if (MONO_CLASS_IS_IMPORT (class))
4200 class->is_com_object = 1;
4202 class->is_com_object = parent->is_com_object;
4204 if (system_namespace) {
4205 if (*class->name == 'M' && !strcmp (class->name, "MarshalByRefObject"))
4206 class->marshalbyref = 1;
4208 if (*class->name == 'C' && !strcmp (class->name, "ContextBoundObject"))
4209 class->contextbound = 1;
4211 if (*class->name == 'D' && !strcmp (class->name, "Delegate"))
4212 class->delegate = 1;
4215 if (class->parent->enumtype || (is_corlib_image (class->parent->image) && (strcmp (class->parent->name, "ValueType") == 0) &&
4216 (strcmp (class->parent->name_space, "System") == 0)))
4217 class->valuetype = 1;
4218 if (is_corlib_image (class->parent->image) && ((strcmp (class->parent->name, "Enum") == 0) && (strcmp (class->parent->name_space, "System") == 0))) {
4219 class->valuetype = class->enumtype = 1;
4221 /*class->enumtype = class->parent->enumtype; */
4222 mono_class_setup_supertypes (class);
4224 /* initialize com types if COM interfaces are present */
4225 if (MONO_CLASS_IS_IMPORT (class))
4226 mono_init_com_types ();
4227 class->parent = NULL;
4233 * mono_class_setup_supertypes:
4236 * Build the data structure needed to make fast type checks work.
4237 * This currently sets two fields in @class:
4238 * - idepth: distance between @class and System.Object in the type
4240 * - supertypes: array of classes: each element has a class in the hierarchy
4241 * starting from @class up to System.Object
4243 * LOCKING: this assumes the loader lock is held
4246 mono_class_setup_supertypes (MonoClass *class)
4250 if (class->supertypes)
4253 if (class->parent && !class->parent->supertypes)
4254 mono_class_setup_supertypes (class->parent);
4256 class->idepth = class->parent->idepth + 1;
4260 ms = MAX (MONO_DEFAULT_SUPERTABLE_SIZE, class->idepth);
4261 class->supertypes = mono_image_alloc0 (class->image, sizeof (MonoClass *) * ms);
4263 if (class->parent) {
4264 class->supertypes [class->idepth - 1] = class;
4265 memcpy (class->supertypes, class->parent->supertypes, class->parent->idepth * sizeof (gpointer));
4267 class->supertypes [0] = class;
4272 * mono_class_create_from_typedef:
4273 * @image: image where the token is valid
4274 * @type_token: typedef token
4276 * Create the MonoClass* representing the specified type token.
4277 * @type_token must be a TypeDef token.
4280 mono_class_create_from_typedef (MonoImage *image, guint32 type_token)
4282 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
4283 MonoClass *class, *parent = NULL;
4284 guint32 cols [MONO_TYPEDEF_SIZE];
4285 guint32 cols_next [MONO_TYPEDEF_SIZE];
4286 guint tidx = mono_metadata_token_index (type_token);
4287 MonoGenericContext *context = NULL;
4288 const char *name, *nspace;
4290 MonoClass **interfaces;
4291 guint32 field_last, method_last;
4292 guint32 nesting_tokeen;
4294 mono_loader_lock ();
4296 if ((class = mono_internal_hash_table_lookup (&image->class_cache, GUINT_TO_POINTER (type_token)))) {
4297 mono_loader_unlock ();
4301 g_assert (mono_metadata_token_table (type_token) == MONO_TABLE_TYPEDEF);
4303 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
4305 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
4306 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
4308 class = mono_image_alloc0 (image, sizeof (MonoClass));
4311 class->name_space = nspace;
4313 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
4315 class->image = image;
4316 class->type_token = type_token;
4317 class->flags = cols [MONO_TYPEDEF_FLAGS];
4319 mono_internal_hash_table_insert (&image->class_cache, GUINT_TO_POINTER (type_token), class);
4321 classes_size += sizeof (MonoClass);
4324 * Check whether we're a generic type definition.
4326 class->generic_container = mono_metadata_load_generic_params (image, class->type_token, NULL);
4327 if (class->generic_container) {
4328 class->is_generic = 1;
4329 class->generic_container->owner.klass = class;
4330 context = &class->generic_container->context;
4333 if (cols [MONO_TYPEDEF_EXTENDS]) {
4334 guint32 parent_token = mono_metadata_token_from_dor (cols [MONO_TYPEDEF_EXTENDS]);
4336 if (mono_metadata_token_table (parent_token) == MONO_TABLE_TYPESPEC) {
4337 /*WARNING: this must satisfy mono_metadata_type_hash*/
4338 class->this_arg.byref = 1;
4339 class->this_arg.data.klass = class;
4340 class->this_arg.type = MONO_TYPE_CLASS;
4341 class->byval_arg.data.klass = class;
4342 class->byval_arg.type = MONO_TYPE_CLASS;
4344 parent = mono_class_get_full (image, parent_token, context);
4346 if (parent == NULL){
4347 mono_internal_hash_table_remove (&image->class_cache, GUINT_TO_POINTER (type_token));
4348 mono_loader_unlock ();
4349 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4354 /* do this early so it's available for interfaces in setup_mono_type () */
4355 if ((nesting_tokeen = mono_metadata_nested_in_typedef (image, type_token)))
4356 class->nested_in = mono_class_create_from_typedef (image, nesting_tokeen);
4358 mono_class_setup_parent (class, parent);
4360 /* uses ->valuetype, which is initialized by mono_class_setup_parent above */
4361 mono_class_setup_mono_type (class);
4363 if (!class->enumtype) {
4364 if (!mono_metadata_interfaces_from_typedef_full (
4365 image, type_token, &interfaces, &icount, context)){
4366 mono_loader_unlock ();
4367 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4371 class->interfaces = interfaces;
4372 class->interface_count = icount;
4375 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_UNICODE_CLASS)
4379 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_AUTO_CLASS)
4383 class->cast_class = class->element_class = class;
4385 /*g_print ("Load class %s\n", name);*/
4388 * Compute the field and method lists
4390 class->field.first = cols [MONO_TYPEDEF_FIELD_LIST] - 1;
4391 class->method.first = cols [MONO_TYPEDEF_METHOD_LIST] - 1;
4393 if (tt->rows > tidx){
4394 mono_metadata_decode_row (tt, tidx, cols_next, MONO_TYPEDEF_SIZE);
4395 field_last = cols_next [MONO_TYPEDEF_FIELD_LIST] - 1;
4396 method_last = cols_next [MONO_TYPEDEF_METHOD_LIST] - 1;
4398 field_last = image->tables [MONO_TABLE_FIELD].rows;
4399 method_last = image->tables [MONO_TABLE_METHOD].rows;
4402 if (cols [MONO_TYPEDEF_FIELD_LIST] &&
4403 cols [MONO_TYPEDEF_FIELD_LIST] <= image->tables [MONO_TABLE_FIELD].rows)
4404 class->field.count = field_last - class->field.first;
4406 class->field.count = 0;
4408 if (cols [MONO_TYPEDEF_METHOD_LIST] <= image->tables [MONO_TABLE_METHOD].rows)
4409 class->method.count = method_last - class->method.first;
4411 class->method.count = 0;
4413 /* reserve space to store vector pointer in arrays */
4414 if (!strcmp (nspace, "System") && !strcmp (name, "Array")) {
4415 class->instance_size += 2 * sizeof (gpointer);
4416 g_assert (class->field.count == 0);
4419 if (class->enumtype) {
4420 MonoType *enum_basetype = mono_class_find_enum_basetype (class);
4421 if (!enum_basetype) {
4422 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
4423 mono_loader_unlock ();
4426 class->cast_class = class->element_class = mono_class_from_mono_type (enum_basetype);
4430 * If we're a generic type definition, load the constraints.
4431 * We must do this after the class has been constructed to make certain recursive scenarios
4434 if (class->generic_container)
4435 mono_metadata_load_generic_param_constraints (
4436 image, type_token, class->generic_container);
4438 if (class->image->assembly_name && !strcmp (class->image->assembly_name, "Mono.Simd") && !strcmp (nspace, "Mono.Simd")) {
4439 if (!strncmp (name, "Vector", 6))
4440 class->simd_type = !strcmp (name + 6, "2d") || !strcmp (name + 6, "2ul") || !strcmp (name + 6, "2l") || !strcmp (name + 6, "4f") || !strcmp (name + 6, "4ui") || !strcmp (name + 6, "4i") || !strcmp (name + 6, "8s") || !strcmp (name + 6, "8us") || !strcmp (name + 6, "16b") || !strcmp (name + 6, "16sb");
4443 mono_loader_unlock ();
4445 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
4450 /** is klass Nullable<T>? */
4452 mono_class_is_nullable (MonoClass *klass)
4454 return klass->generic_class != NULL &&
4455 klass->generic_class->container_class == mono_defaults.generic_nullable_class;
4459 /** if klass is T? return T */
4461 mono_class_get_nullable_param (MonoClass *klass)
4463 g_assert (mono_class_is_nullable (klass));
4464 return mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4468 * Create the `MonoClass' for an instantiation of a generic type.
4469 * We only do this if we actually need it.
4472 mono_generic_class_get_class (MonoGenericClass *gclass)
4474 MonoClass *klass, *gklass;
4477 mono_loader_lock ();
4478 if (gclass->cached_class) {
4479 mono_loader_unlock ();
4480 return gclass->cached_class;
4483 gclass->cached_class = g_malloc0 (sizeof (MonoClass));
4484 klass = gclass->cached_class;
4486 gklass = gclass->container_class;
4488 if (gklass->nested_in) {
4490 * FIXME: the nested type context should include everything the
4491 * nesting context should have, but it may also have additional
4492 * generic parameters...
4494 klass->nested_in = mono_class_inflate_generic_class (gklass->nested_in,
4495 mono_generic_class_get_context (gclass));
4498 klass->name = gklass->name;
4499 klass->name_space = gklass->name_space;
4501 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4503 klass->image = gklass->image;
4504 klass->flags = gklass->flags;
4505 klass->type_token = gklass->type_token;
4506 klass->field.count = gklass->field.count;
4508 klass->is_inflated = 1;
4509 klass->generic_class = gclass;
4511 klass->this_arg.type = klass->byval_arg.type = MONO_TYPE_GENERICINST;
4512 klass->this_arg.data.generic_class = klass->byval_arg.data.generic_class = gclass;
4513 klass->this_arg.byref = TRUE;
4514 klass->enumtype = gklass->enumtype;
4515 klass->valuetype = gklass->valuetype;
4517 klass->cast_class = klass->element_class = klass;
4519 if (mono_class_is_nullable (klass))
4520 klass->cast_class = klass->element_class = mono_class_get_nullable_param (klass);
4522 klass->interface_count = gklass->interface_count;
4523 klass->interfaces = g_new0 (MonoClass *, klass->interface_count);
4524 for (i = 0; i < klass->interface_count; i++) {
4525 klass->interfaces [i] = mono_class_inflate_generic_class (gklass->interfaces [i], mono_generic_class_get_context (gclass));
4529 * We're not interested in the nested classes of a generic instance.
4530 * We use the generic type definition to look for nested classes.
4533 if (gklass->parent) {
4534 klass->parent = mono_class_inflate_generic_class (gklass->parent, mono_generic_class_get_context (gclass));
4538 mono_class_setup_parent (klass, klass->parent);
4540 if (klass->enumtype) {
4541 klass->cast_class = gklass->cast_class;
4542 klass->element_class = gklass->element_class;
4545 if (gclass->is_dynamic) {
4548 mono_class_setup_supertypes (klass);
4550 if (klass->enumtype) {
4552 * For enums, gklass->fields might not been set, but instance_size etc. is
4553 * already set in mono_reflection_create_internal_class (). For non-enums,
4554 * these will be computed normally in mono_class_layout_fields ().
4556 klass->instance_size = gklass->instance_size;
4557 klass->sizes.class_size = gklass->sizes.class_size;
4558 klass->size_inited = 1;
4562 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4564 inflated_classes ++;
4565 inflated_classes_size += sizeof (MonoClass);
4567 mono_loader_unlock ();
4573 * LOCKING: Acquires the loader lock.
4576 mono_class_from_generic_parameter (MonoGenericParam *param, MonoImage *image, gboolean is_mvar)
4578 MonoClass *klass, **ptr;
4581 mono_loader_lock ();
4583 if (param->pklass) {
4584 mono_loader_unlock ();
4585 return param->pklass;
4588 if (!image && param->owner) {
4590 MonoMethod *method = param->owner->owner.method;
4591 image = (method && method->klass) ? method->klass->image : NULL;
4593 MonoClass *klass = param->owner->owner.klass;
4594 // FIXME: 'klass' should not be null
4595 // But, monodis creates GenericContainers without associating a owner to it
4596 image = klass ? klass->image : NULL;
4601 image = mono_defaults.corlib;
4603 klass = mono_image_alloc0 (image, sizeof (MonoClass));
4605 classes_size += sizeof (MonoClass);
4608 klass->name = param->name;
4610 klass->name = mono_image_alloc0 (image, 16);
4611 sprintf ((char*)klass->name, is_mvar ? "!!%d" : "!%d", param->num);
4613 klass->name_space = "";
4614 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4616 for (count = 0, ptr = param->constraints; ptr && *ptr; ptr++, count++)
4620 if ((count > 0) && !MONO_CLASS_IS_INTERFACE (param->constraints [0])) {
4621 klass->parent = param->constraints [0];
4623 } else if (param->flags & GENERIC_PARAMETER_ATTRIBUTE_VALUE_TYPE_CONSTRAINT)
4624 klass->parent = mono_class_from_name (mono_defaults.corlib, "System", "ValueType");
4626 klass->parent = mono_defaults.object_class;
4628 if (count - pos > 0) {
4629 klass->interface_count = count - pos;
4630 klass->interfaces = mono_image_alloc0 (image, sizeof (MonoClass *) * (count - pos));
4631 for (i = pos; i < count; i++)
4632 klass->interfaces [i - pos] = param->constraints [i];
4636 image = mono_defaults.corlib;
4638 klass->image = image;
4640 klass->inited = TRUE;
4641 klass->cast_class = klass->element_class = klass;
4642 klass->flags = TYPE_ATTRIBUTE_PUBLIC;
4644 klass->this_arg.type = klass->byval_arg.type = is_mvar ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
4645 klass->this_arg.data.generic_param = klass->byval_arg.data.generic_param = param;
4646 klass->this_arg.byref = TRUE;
4650 guint32 cols [MONO_GENERICPARAM_SIZE];
4651 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
4654 if (is_mvar && param->owner->owner.method)
4655 i = mono_metadata_get_generic_param_row (image, param->owner->owner.method->token, &owner);
4656 else if (!is_mvar && param->owner->owner.klass)
4657 i = mono_metadata_get_generic_param_row (image, param->owner->owner.klass->type_token, &owner);
4660 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
4662 if (cols [MONO_GENERICPARAM_NUMBER] == param->num) {
4663 klass->sizes.generic_param_token = i | MONO_TOKEN_GENERIC_PARAM;
4666 if (++i > tdef->rows)
4668 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
4669 } while (cols [MONO_GENERICPARAM_OWNER] == owner);
4673 mono_class_setup_supertypes (klass);
4675 mono_memory_barrier ();
4677 param->pklass = klass;
4679 mono_loader_unlock ();
4681 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4687 mono_ptr_class_get (MonoType *type)
4690 MonoClass *el_class;
4694 el_class = mono_class_from_mono_type (type);
4695 image = el_class->image;
4697 mono_loader_lock ();
4699 if (!image->ptr_cache)
4700 image->ptr_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
4702 if ((result = g_hash_table_lookup (image->ptr_cache, el_class))) {
4703 mono_loader_unlock ();
4706 result = mono_image_alloc0 (image, sizeof (MonoClass));
4708 classes_size += sizeof (MonoClass);
4710 result->parent = NULL; /* no parent for PTR types */
4711 result->name_space = el_class->name_space;
4712 name = g_strdup_printf ("%s*", el_class->name);
4713 result->name = mono_image_strdup (image, name);
4716 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4718 result->image = el_class->image;
4719 result->inited = TRUE;
4720 result->flags = TYPE_ATTRIBUTE_CLASS | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
4721 /* Can pointers get boxed? */
4722 result->instance_size = sizeof (gpointer);
4723 result->cast_class = result->element_class = el_class;
4724 result->blittable = TRUE;
4726 result->this_arg.type = result->byval_arg.type = MONO_TYPE_PTR;
4727 result->this_arg.data.type = result->byval_arg.data.type = &result->element_class->byval_arg;
4728 result->this_arg.byref = TRUE;
4730 mono_class_setup_supertypes (result);
4732 g_hash_table_insert (image->ptr_cache, el_class, result);
4734 mono_loader_unlock ();
4736 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4742 mono_fnptr_class_get (MonoMethodSignature *sig)
4745 static GHashTable *ptr_hash = NULL;
4747 /* FIXME: These should be allocate from a mempool as well, but which one ? */
4749 mono_loader_lock ();
4752 ptr_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4754 if ((result = g_hash_table_lookup (ptr_hash, sig))) {
4755 mono_loader_unlock ();
4758 result = g_new0 (MonoClass, 1);
4760 result->parent = NULL; /* no parent for PTR types */
4761 result->name_space = "System";
4762 result->name = "MonoFNPtrFakeClass";
4764 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4766 result->image = mono_defaults.corlib; /* need to fix... */
4767 result->inited = TRUE;
4768 result->flags = TYPE_ATTRIBUTE_CLASS; /* | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK); */
4769 /* Can pointers get boxed? */
4770 result->instance_size = sizeof (gpointer);
4771 result->cast_class = result->element_class = result;
4772 result->blittable = TRUE;
4774 result->this_arg.type = result->byval_arg.type = MONO_TYPE_FNPTR;
4775 result->this_arg.data.method = result->byval_arg.data.method = sig;
4776 result->this_arg.byref = TRUE;
4777 result->blittable = TRUE;
4779 mono_class_setup_supertypes (result);
4781 g_hash_table_insert (ptr_hash, sig, result);
4783 mono_loader_unlock ();
4785 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4791 mono_class_from_mono_type (MonoType *type)
4793 switch (type->type) {
4794 case MONO_TYPE_OBJECT:
4795 return type->data.klass? type->data.klass: mono_defaults.object_class;
4796 case MONO_TYPE_VOID:
4797 return type->data.klass? type->data.klass: mono_defaults.void_class;
4798 case MONO_TYPE_BOOLEAN:
4799 return type->data.klass? type->data.klass: mono_defaults.boolean_class;
4800 case MONO_TYPE_CHAR:
4801 return type->data.klass? type->data.klass: mono_defaults.char_class;
4803 return type->data.klass? type->data.klass: mono_defaults.sbyte_class;
4805 return type->data.klass? type->data.klass: mono_defaults.byte_class;
4807 return type->data.klass? type->data.klass: mono_defaults.int16_class;
4809 return type->data.klass? type->data.klass: mono_defaults.uint16_class;
4811 return type->data.klass? type->data.klass: mono_defaults.int32_class;
4813 return type->data.klass? type->data.klass: mono_defaults.uint32_class;
4815 return type->data.klass? type->data.klass: mono_defaults.int_class;
4817 return type->data.klass? type->data.klass: mono_defaults.uint_class;
4819 return type->data.klass? type->data.klass: mono_defaults.int64_class;
4821 return type->data.klass? type->data.klass: mono_defaults.uint64_class;
4823 return type->data.klass? type->data.klass: mono_defaults.single_class;
4825 return type->data.klass? type->data.klass: mono_defaults.double_class;
4826 case MONO_TYPE_STRING:
4827 return type->data.klass? type->data.klass: mono_defaults.string_class;
4828 case MONO_TYPE_TYPEDBYREF:
4829 return type->data.klass? type->data.klass: mono_defaults.typed_reference_class;
4830 case MONO_TYPE_ARRAY:
4831 return mono_bounded_array_class_get (type->data.array->eklass, type->data.array->rank, TRUE);
4833 return mono_ptr_class_get (type->data.type);
4834 case MONO_TYPE_FNPTR:
4835 return mono_fnptr_class_get (type->data.method);
4836 case MONO_TYPE_SZARRAY:
4837 return mono_array_class_get (type->data.klass, 1);
4838 case MONO_TYPE_CLASS:
4839 case MONO_TYPE_VALUETYPE:
4840 return type->data.klass;
4841 case MONO_TYPE_GENERICINST:
4842 return mono_generic_class_get_class (type->data.generic_class);
4844 return mono_class_from_generic_parameter (type->data.generic_param, NULL, FALSE);
4845 case MONO_TYPE_MVAR:
4846 return mono_class_from_generic_parameter (type->data.generic_param, NULL, TRUE);
4848 g_warning ("mono_class_from_mono_type: implement me 0x%02x\n", type->type);
4849 g_assert_not_reached ();
4856 * mono_type_retrieve_from_typespec
4857 * @image: context where the image is created
4858 * @type_spec: typespec token
4859 * @context: the generic context used to evaluate generic instantiations in
4862 mono_type_retrieve_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context, gboolean *did_inflate)
4864 MonoType *t = mono_type_create_from_typespec (image, type_spec);
4867 if (context && (context->class_inst || context->method_inst)) {
4868 MonoType *inflated = inflate_generic_type (NULL, t, context);
4871 *did_inflate = TRUE;
4878 * mono_class_create_from_typespec
4879 * @image: context where the image is created
4880 * @type_spec: typespec token
4881 * @context: the generic context used to evaluate generic instantiations in
4884 mono_class_create_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context)
4887 gboolean inflated = FALSE;
4888 MonoType *t = mono_type_retrieve_from_typespec (image, type_spec, context, &inflated);
4891 ret = mono_class_from_mono_type (t);
4893 mono_metadata_free_type (t);
4898 * mono_bounded_array_class_get:
4899 * @element_class: element class
4900 * @rank: the dimension of the array class
4901 * @bounded: whenever the array has non-zero bounds
4903 * Returns: a class object describing the array with element type @element_type and
4907 mono_bounded_array_class_get (MonoClass *eclass, guint32 rank, gboolean bounded)
4911 MonoClass *parent = NULL;
4912 GSList *list, *rootlist;
4915 gboolean corlib_type = FALSE;
4917 g_assert (rank <= 255);
4920 /* bounded only matters for one-dimensional arrays */
4923 image = eclass->image;
4925 mono_loader_lock ();
4927 if (!image->array_cache)
4928 image->array_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
4930 if ((rootlist = list = g_hash_table_lookup (image->array_cache, eclass))) {
4931 for (; list; list = list->next) {
4933 if ((class->rank == rank) && (class->byval_arg.type == (((rank > 1) || bounded) ? MONO_TYPE_ARRAY : MONO_TYPE_SZARRAY))) {
4934 mono_loader_unlock ();
4940 /* for the building corlib use System.Array from it */
4941 if (image->assembly && image->assembly->dynamic && image->assembly_name && strcmp (image->assembly_name, "mscorlib") == 0) {
4942 parent = mono_class_from_name (image, "System", "Array");
4945 parent = mono_defaults.array_class;
4946 if (!parent->inited)
4947 mono_class_init (parent);
4950 class = mono_image_alloc0 (image, sizeof (MonoClass));
4952 class->image = image;
4953 class->name_space = eclass->name_space;
4954 nsize = strlen (eclass->name);
4955 name = g_malloc (nsize + 2 + rank + 1);
4956 memcpy (name, eclass->name, nsize);
4959 memset (name + nsize + 1, ',', rank - 1);
4961 name [nsize + rank] = '*';
4962 name [nsize + rank + bounded] = ']';
4963 name [nsize + rank + bounded + 1] = 0;
4964 class->name = mono_image_strdup (image, name);
4967 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
4969 classes_size += sizeof (MonoClass);
4971 class->type_token = 0;
4972 /* all arrays are marked serializable and sealed, bug #42779 */
4973 class->flags = TYPE_ATTRIBUTE_CLASS | TYPE_ATTRIBUTE_SERIALIZABLE | TYPE_ATTRIBUTE_SEALED |
4974 (eclass->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
4975 class->parent = parent;
4976 class->instance_size = mono_class_instance_size (class->parent);
4978 if (eclass->enumtype && !mono_class_enum_basetype (eclass)) {
4979 if (!eclass->reflection_info || eclass->wastypebuilder) {
4980 g_warning ("Only incomplete TypeBuilder objects are allowed to be an enum without base_type");
4981 g_assert (eclass->reflection_info && !eclass->wastypebuilder);
4983 /* element_size -1 is ok as this is not an instantitable type*/
4984 class->sizes.element_size = -1;
4986 class->sizes.element_size = mono_class_array_element_size (eclass);
4988 mono_class_setup_supertypes (class);
4990 if (mono_defaults.generic_ilist_class && !bounded && rank == 1) {
4993 /* generic IList, ICollection, IEnumerable */
4994 class->interface_count = 1;
4995 class->interfaces = mono_image_alloc0 (image, sizeof (MonoClass*) * class->interface_count);
4997 args [0] = &eclass->byval_arg;
4998 class->interfaces [0] = mono_class_bind_generic_parameters (
4999 mono_defaults.generic_ilist_class, 1, args, FALSE);
5002 if (eclass->generic_class)
5003 mono_class_init (eclass);
5004 if (!eclass->size_inited)
5005 mono_class_setup_fields (eclass);
5006 class->has_references = MONO_TYPE_IS_REFERENCE (&eclass->byval_arg) || eclass->has_references? TRUE: FALSE;
5010 if (eclass->enumtype)
5011 class->cast_class = eclass->element_class;
5013 class->cast_class = eclass;
5015 class->element_class = eclass;
5017 if ((rank > 1) || bounded) {
5018 MonoArrayType *at = mono_image_alloc0 (image, sizeof (MonoArrayType));
5019 class->byval_arg.type = MONO_TYPE_ARRAY;
5020 class->byval_arg.data.array = at;
5021 at->eklass = eclass;
5023 /* FIXME: complete.... */
5025 class->byval_arg.type = MONO_TYPE_SZARRAY;
5026 class->byval_arg.data.klass = eclass;
5028 class->this_arg = class->byval_arg;
5029 class->this_arg.byref = 1;
5034 class->generic_container = eclass->generic_container;
5036 list = g_slist_append (rootlist, class);
5037 g_hash_table_insert (image->array_cache, eclass, list);
5039 mono_loader_unlock ();
5041 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
5047 * mono_array_class_get:
5048 * @element_class: element class
5049 * @rank: the dimension of the array class
5051 * Returns: a class object describing the array with element type @element_type and
5055 mono_array_class_get (MonoClass *eclass, guint32 rank)
5057 return mono_bounded_array_class_get (eclass, rank, FALSE);
5061 * mono_class_instance_size:
5064 * Returns: the size of an object instance
5067 mono_class_instance_size (MonoClass *klass)
5069 if (!klass->size_inited)
5070 mono_class_init (klass);
5072 return klass->instance_size;
5076 * mono_class_min_align:
5079 * Returns: minimm alignment requirements
5082 mono_class_min_align (MonoClass *klass)
5084 if (!klass->size_inited)
5085 mono_class_init (klass);
5087 return klass->min_align;
5091 * mono_class_value_size:
5094 * This function is used for value types, and return the
5095 * space and the alignment to store that kind of value object.
5097 * Returns: the size of a value of kind @klass
5100 mono_class_value_size (MonoClass *klass, guint32 *align)
5104 /* fixme: check disable, because we still have external revereces to
5105 * mscorlib and Dummy Objects
5107 /*g_assert (klass->valuetype);*/
5109 size = mono_class_instance_size (klass) - sizeof (MonoObject);
5112 *align = klass->min_align;
5118 * mono_class_data_size:
5121 * Returns: the size of the static class data
5124 mono_class_data_size (MonoClass *klass)
5127 mono_class_init (klass);
5129 /* in arrays, sizes.class_size is unioned with element_size
5130 * and arrays have no static fields
5134 return klass->sizes.class_size;
5138 * Auxiliary routine to mono_class_get_field
5140 * Takes a field index instead of a field token.
5142 static MonoClassField *
5143 mono_class_get_field_idx (MonoClass *class, int idx)
5145 mono_class_setup_fields_locking (class);
5148 if (class->image->uncompressed_metadata) {
5150 * class->field.first points to the FieldPtr table, while idx points into the
5151 * Field table, so we have to do a search.
5153 const char *name = mono_metadata_string_heap (class->image, mono_metadata_decode_row_col (&class->image->tables [MONO_TABLE_FIELD], idx, MONO_FIELD_NAME));
5156 for (i = 0; i < class->field.count; ++i)
5157 if (mono_field_get_name (&class->fields [i]) == name)
5158 return &class->fields [i];
5159 g_assert_not_reached ();
5161 if (class->field.count) {
5162 if ((idx >= class->field.first) && (idx < class->field.first + class->field.count)){
5163 return &class->fields [idx - class->field.first];
5167 class = class->parent;
5173 * mono_class_get_field:
5174 * @class: the class to lookup the field.
5175 * @field_token: the field token
5177 * Returns: A MonoClassField representing the type and offset of
5178 * the field, or a NULL value if the field does not belong to this
5182 mono_class_get_field (MonoClass *class, guint32 field_token)
5184 int idx = mono_metadata_token_index (field_token);
5186 g_assert (mono_metadata_token_code (field_token) == MONO_TOKEN_FIELD_DEF);
5188 return mono_class_get_field_idx (class, idx - 1);
5192 * mono_class_get_field_from_name:
5193 * @klass: the class to lookup the field.
5194 * @name: the field name
5196 * Search the class @klass and it's parents for a field with the name @name.
5198 * Returns: the MonoClassField pointer of the named field or NULL
5201 mono_class_get_field_from_name (MonoClass *klass, const char *name)
5205 mono_class_setup_fields_locking (klass);
5207 for (i = 0; i < klass->field.count; ++i) {
5208 if (strcmp (name, mono_field_get_name (&klass->fields [i])) == 0)
5209 return &klass->fields [i];
5211 klass = klass->parent;
5217 * mono_class_get_field_token:
5218 * @field: the field we need the token of
5220 * Get the token of a field. Note that the tokesn is only valid for the image
5221 * the field was loaded from. Don't use this function for fields in dynamic types.
5223 * Returns: the token representing the field in the image it was loaded from.
5226 mono_class_get_field_token (MonoClassField *field)
5228 MonoClass *klass = field->parent;
5231 mono_class_setup_fields_locking (klass);
5233 for (i = 0; i < klass->field.count; ++i) {
5234 if (&klass->fields [i] == field) {
5235 int idx = klass->field.first + i + 1;
5237 if (klass->image->uncompressed_metadata)
5238 idx = mono_metadata_translate_token_index (klass->image, MONO_TABLE_FIELD, idx);
5239 return mono_metadata_make_token (MONO_TABLE_FIELD, idx);
5242 klass = klass->parent;
5245 g_assert_not_reached ();
5250 mono_field_get_index (MonoClassField *field)
5252 int index = field - field->parent->fields;
5254 g_assert (index >= 0 && index < field->parent->field.count);
5260 * mono_class_get_field_default_value:
5262 * Return the default value of the field as a pointer into the metadata blob.
5265 mono_class_get_field_default_value (MonoClassField *field, MonoTypeEnum *def_type)
5268 guint32 constant_cols [MONO_CONSTANT_SIZE];
5270 MonoClass *klass = field->parent;
5272 g_assert (field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT);
5274 if (!klass->ext || !klass->ext->field_def_values) {
5275 mono_loader_lock ();
5276 mono_class_alloc_ext (klass);
5277 if (!klass->ext->field_def_values)
5278 klass->ext->field_def_values = mono_image_alloc0 (klass->image, sizeof (MonoFieldDefaultValue) * klass->field.count);
5279 mono_loader_unlock ();
5282 field_index = mono_field_get_index (field);
5284 if (!klass->ext->field_def_values [field_index].data) {
5285 cindex = mono_metadata_get_constant_index (field->parent->image, mono_class_get_field_token (field), 0);
5287 g_assert (!(field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA));
5289 mono_metadata_decode_row (&field->parent->image->tables [MONO_TABLE_CONSTANT], cindex - 1, constant_cols, MONO_CONSTANT_SIZE);
5290 klass->ext->field_def_values [field_index].def_type = constant_cols [MONO_CONSTANT_TYPE];
5291 klass->ext->field_def_values [field_index].data = (gpointer)mono_metadata_blob_heap (field->parent->image, constant_cols [MONO_CONSTANT_VALUE]);
5294 *def_type = klass->ext->field_def_values [field_index].def_type;
5295 return klass->ext->field_def_values [field_index].data;
5299 mono_class_get_event_token (MonoEvent *event)
5301 MonoClass *klass = event->parent;
5306 for (i = 0; i < klass->ext->event.count; ++i) {
5307 if (&klass->ext->events [i] == event)
5308 return mono_metadata_make_token (MONO_TABLE_EVENT, klass->ext->event.first + i + 1);
5311 klass = klass->parent;
5314 g_assert_not_reached ();
5319 mono_class_get_property_from_name (MonoClass *klass, const char *name)
5323 gpointer iter = NULL;
5324 while ((p = mono_class_get_properties (klass, &iter))) {
5325 if (! strcmp (name, p->name))
5328 klass = klass->parent;
5334 mono_class_get_property_token (MonoProperty *prop)
5336 MonoClass *klass = prop->parent;
5340 gpointer iter = NULL;
5341 while ((p = mono_class_get_properties (klass, &iter))) {
5342 if (&klass->ext->properties [i] == prop)
5343 return mono_metadata_make_token (MONO_TABLE_PROPERTY, klass->ext->property.first + i + 1);
5347 klass = klass->parent;
5350 g_assert_not_reached ();
5355 mono_class_name_from_token (MonoImage *image, guint32 type_token)
5357 const char *name, *nspace;
5359 return g_strdup_printf ("DynamicType 0x%08x", type_token);
5361 switch (type_token & 0xff000000){
5362 case MONO_TOKEN_TYPE_DEF: {
5363 guint32 cols [MONO_TYPEDEF_SIZE];
5364 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
5365 guint tidx = mono_metadata_token_index (type_token);
5367 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
5368 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5369 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5370 if (strlen (nspace) == 0)
5371 return g_strdup_printf ("%s", name);
5373 return g_strdup_printf ("%s.%s", nspace, name);
5376 case MONO_TOKEN_TYPE_REF: {
5377 guint32 cols [MONO_TYPEREF_SIZE];
5378 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
5380 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
5381 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
5382 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
5383 if (strlen (nspace) == 0)
5384 return g_strdup_printf ("%s", name);
5386 return g_strdup_printf ("%s.%s", nspace, name);
5389 case MONO_TOKEN_TYPE_SPEC:
5390 return g_strdup_printf ("Typespec 0x%08x", type_token);
5392 g_assert_not_reached ();
5399 mono_assembly_name_from_token (MonoImage *image, guint32 type_token)
5402 return g_strdup_printf ("DynamicAssembly %s", image->name);
5404 switch (type_token & 0xff000000){
5405 case MONO_TOKEN_TYPE_DEF:
5406 return mono_stringify_assembly_name (&image->assembly->aname);
5408 case MONO_TOKEN_TYPE_REF: {
5409 MonoAssemblyName aname;
5410 guint32 cols [MONO_TYPEREF_SIZE];
5411 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
5414 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
5416 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
5417 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
5418 case MONO_RESOLTION_SCOPE_MODULE:
5420 return g_strdup ("");
5421 case MONO_RESOLTION_SCOPE_MODULEREF:
5423 return g_strdup ("");
5424 case MONO_RESOLTION_SCOPE_TYPEREF:
5426 return g_strdup ("");
5427 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
5428 mono_assembly_get_assemblyref (image, idx - 1, &aname);
5429 return mono_stringify_assembly_name (&aname);
5431 g_assert_not_reached ();
5435 case MONO_TOKEN_TYPE_SPEC:
5437 return g_strdup ("");
5439 g_assert_not_reached ();
5446 * mono_class_get_full:
5447 * @image: the image where the class resides
5448 * @type_token: the token for the class
5449 * @context: the generic context used to evaluate generic instantiations in
5451 * Returns: the MonoClass that represents @type_token in @image
5454 mono_class_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
5456 MonoClass *class = NULL;
5458 if (image->dynamic) {
5459 int table = mono_metadata_token_table (type_token);
5461 if (table != MONO_TABLE_TYPEDEF && table != MONO_TABLE_TYPEREF && table != MONO_TABLE_TYPESPEC) {
5462 mono_loader_set_error_bad_image (g_strdup ("Bad type token."));
5465 return mono_lookup_dynamic_token (image, type_token, context);
5468 switch (type_token & 0xff000000){
5469 case MONO_TOKEN_TYPE_DEF:
5470 class = mono_class_create_from_typedef (image, type_token);
5472 case MONO_TOKEN_TYPE_REF:
5473 class = mono_class_from_typeref (image, type_token);
5475 case MONO_TOKEN_TYPE_SPEC:
5476 class = mono_class_create_from_typespec (image, type_token, context);
5479 g_warning ("unknown token type %x", type_token & 0xff000000);
5480 g_assert_not_reached ();
5484 char *name = mono_class_name_from_token (image, type_token);
5485 char *assembly = mono_assembly_name_from_token (image, type_token);
5486 mono_loader_set_error_type_load (name, assembly);
5494 * mono_type_get_full:
5495 * @image: the image where the type resides
5496 * @type_token: the token for the type
5497 * @context: the generic context used to evaluate generic instantiations in
5499 * This functions exists to fullfill the fact that sometimes it's desirable to have access to the
5501 * Returns: the MonoType that represents @type_token in @image
5504 mono_type_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
5506 MonoType *type = NULL;
5507 gboolean inflated = FALSE;
5509 //FIXME: this will not fix the very issue for which mono_type_get_full exists -but how to do it then?
5511 return mono_class_get_type (mono_lookup_dynamic_token (image, type_token, context));
5513 if ((type_token & 0xff000000) != MONO_TOKEN_TYPE_SPEC) {
5514 MonoClass *class = mono_class_get_full (image, type_token, context);
5515 return class ? mono_class_get_type (class) : NULL;
5518 type = mono_type_retrieve_from_typespec (image, type_token, context, &inflated);
5521 char *name = mono_class_name_from_token (image, type_token);
5522 char *assembly = mono_assembly_name_from_token (image, type_token);
5524 mono_metadata_free_type (type);
5525 mono_loader_set_error_type_load (name, assembly);
5529 MonoType *tmp = type;
5530 type = mono_class_get_type (mono_class_from_mono_type (type));
5531 /* FIXME: This is a workaround fo the fact that a typespec token sometimes reference to the generic type definition.
5532 * A MonoClass::byval_arg of a generic type definion has type CLASS.
5533 * Some parts of mono create a GENERICINST to reference a generic type definition and this generates confict with byval_arg.
5535 * The long term solution is to chaise this places and make then set MonoType::type correctly.
5537 if (type->type != tmp->type)
5540 mono_metadata_free_type (tmp);
5547 mono_class_get (MonoImage *image, guint32 type_token)
5549 return mono_class_get_full (image, type_token, NULL);
5553 * mono_image_init_name_cache:
5555 * Initializes the class name cache stored in image->name_cache.
5557 * LOCKING: Acquires the loader lock.
5560 mono_image_init_name_cache (MonoImage *image)
5562 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5563 guint32 cols [MONO_TYPEDEF_SIZE];
5566 guint32 i, visib, nspace_index;
5567 GHashTable *name_cache2, *nspace_table;
5569 mono_loader_lock ();
5571 image->name_cache = g_hash_table_new (g_str_hash, g_str_equal);
5573 if (image->dynamic) {
5574 mono_loader_unlock ();
5578 /* Temporary hash table to avoid lookups in the nspace_table */
5579 name_cache2 = g_hash_table_new (NULL, NULL);
5581 for (i = 1; i <= t->rows; ++i) {
5582 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5583 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5585 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5586 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5588 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5590 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5591 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5593 nspace_index = cols [MONO_TYPEDEF_NAMESPACE];
5594 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5595 if (!nspace_table) {
5596 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5597 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5598 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5601 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (i));
5604 /* Load type names from EXPORTEDTYPES table */
5606 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
5607 guint32 cols [MONO_EXP_TYPE_SIZE];
5610 for (i = 0; i < t->rows; ++i) {
5611 mono_metadata_decode_row (t, i, cols, MONO_EXP_TYPE_SIZE);
5612 name = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAME]);
5613 nspace = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAMESPACE]);
5615 nspace_index = cols [MONO_EXP_TYPE_NAMESPACE];
5616 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5617 if (!nspace_table) {
5618 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5619 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5620 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5623 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (mono_metadata_make_token (MONO_TABLE_EXPORTEDTYPE, i + 1)));
5627 g_hash_table_destroy (name_cache2);
5629 mono_loader_unlock ();
5633 mono_image_add_to_name_cache (MonoImage *image, const char *nspace,
5634 const char *name, guint32 index)
5636 GHashTable *nspace_table;
5637 GHashTable *name_cache;
5639 mono_loader_lock ();
5641 if (!image->name_cache)
5642 mono_image_init_name_cache (image);
5644 name_cache = image->name_cache;
5645 if (!(nspace_table = g_hash_table_lookup (name_cache, nspace))) {
5646 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5647 g_hash_table_insert (name_cache, (char *)nspace, (char *)nspace_table);
5649 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (index));
5651 mono_loader_unlock ();
5660 find_nocase (gpointer key, gpointer value, gpointer user_data)
5662 char *name = (char*)key;
5663 FindUserData *data = (FindUserData*)user_data;
5665 if (!data->value && (g_strcasecmp (name, (char*)data->key) == 0))
5666 data->value = value;
5670 * mono_class_from_name_case:
5671 * @image: The MonoImage where the type is looked up in
5672 * @name_space: the type namespace
5673 * @name: the type short name.
5675 * Obtains a MonoClass with a given namespace and a given name which
5676 * is located in the given MonoImage. The namespace and name
5677 * lookups are case insensitive.
5680 mono_class_from_name_case (MonoImage *image, const char* name_space, const char *name)
5682 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5683 guint32 cols [MONO_TYPEDEF_SIZE];
5688 if (image->dynamic) {
5690 FindUserData user_data;
5692 mono_loader_lock ();
5694 if (!image->name_cache)
5695 mono_image_init_name_cache (image);
5697 user_data.key = name_space;
5698 user_data.value = NULL;
5699 g_hash_table_foreach (image->name_cache, find_nocase, &user_data);
5701 if (user_data.value) {
5702 GHashTable *nspace_table = (GHashTable*)user_data.value;
5704 user_data.key = name;
5705 user_data.value = NULL;
5707 g_hash_table_foreach (nspace_table, find_nocase, &user_data);
5709 if (user_data.value)
5710 token = GPOINTER_TO_UINT (user_data.value);
5713 mono_loader_unlock ();
5716 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | token);
5722 /* add a cache if needed */
5723 for (i = 1; i <= t->rows; ++i) {
5724 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5725 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5727 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5728 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5730 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5732 n = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5733 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5734 if (g_strcasecmp (n, name) == 0 && g_strcasecmp (nspace, name_space) == 0)
5735 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | i);
5741 return_nested_in (MonoClass *class, char *nested)
5744 char *s = strchr (nested, '/');
5745 gpointer iter = NULL;
5752 while ((found = mono_class_get_nested_types (class, &iter))) {
5753 if (strcmp (found->name, nested) == 0) {
5755 return return_nested_in (found, s);
5763 search_modules (MonoImage *image, const char *name_space, const char *name)
5765 MonoTableInfo *file_table = &image->tables [MONO_TABLE_FILE];
5766 MonoImage *file_image;
5771 * The EXPORTEDTYPES table only contains public types, so have to search the
5773 * Note: image->modules contains the contents of the MODULEREF table, while
5774 * the real module list is in the FILE table.
5776 for (i = 0; i < file_table->rows; i++) {
5777 guint32 cols [MONO_FILE_SIZE];
5778 mono_metadata_decode_row (file_table, i, cols, MONO_FILE_SIZE);
5779 if (cols [MONO_FILE_FLAGS] == FILE_CONTAINS_NO_METADATA)
5782 file_image = mono_image_load_file_for_image (image, i + 1);
5784 class = mono_class_from_name (file_image, name_space, name);
5794 * mono_class_from_name:
5795 * @image: The MonoImage where the type is looked up in
5796 * @name_space: the type namespace
5797 * @name: the type short name.
5799 * Obtains a MonoClass with a given namespace and a given name which
5800 * is located in the given MonoImage.
5803 mono_class_from_name (MonoImage *image, const char* name_space, const char *name)
5805 GHashTable *nspace_table;
5806 MonoImage *loaded_image;
5813 if ((nested = strchr (name, '/'))) {
5814 int pos = nested - name;
5815 int len = strlen (name);
5818 memcpy (buf, name, len + 1);
5820 nested = buf + pos + 1;
5824 if (get_class_from_name) {
5825 gboolean res = get_class_from_name (image, name_space, name, &class);
5828 class = search_modules (image, name_space, name);
5830 return class ? return_nested_in (class, nested) : NULL;
5836 mono_loader_lock ();
5838 if (!image->name_cache)
5839 mono_image_init_name_cache (image);
5841 nspace_table = g_hash_table_lookup (image->name_cache, name_space);
5844 token = GPOINTER_TO_UINT (g_hash_table_lookup (nspace_table, name));
5846 mono_loader_unlock ();
5848 if (!token && image->dynamic && image->modules) {
5849 /* Search modules as well */
5850 for (i = 0; i < image->module_count; ++i) {
5851 MonoImage *module = image->modules [i];
5853 class = mono_class_from_name (module, name_space, name);
5860 class = search_modules (image, name_space, name);
5868 if (mono_metadata_token_table (token) == MONO_TABLE_EXPORTEDTYPE) {
5869 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
5870 guint32 cols [MONO_EXP_TYPE_SIZE];
5873 idx = mono_metadata_token_index (token);
5875 mono_metadata_decode_row (t, idx - 1, cols, MONO_EXP_TYPE_SIZE);
5877 impl = cols [MONO_EXP_TYPE_IMPLEMENTATION];
5878 if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_FILE) {
5879 loaded_image = mono_assembly_load_module (image->assembly, impl >> MONO_IMPLEMENTATION_BITS);
5882 class = mono_class_from_name (loaded_image, name_space, name);
5884 return return_nested_in (class, nested);
5886 } else if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_ASSEMBLYREF) {
5887 MonoAssembly **references = image->references;
5888 guint32 assembly_idx;
5890 assembly_idx = impl >> MONO_IMPLEMENTATION_BITS;
5892 if (!references [assembly_idx - 1])
5893 mono_assembly_load_reference (image, assembly_idx - 1);
5894 g_assert (references == image->references);
5895 g_assert (references [assembly_idx - 1]);
5896 if (references [assembly_idx - 1] == (gpointer)-1)
5899 /* FIXME: Cycle detection */
5900 return mono_class_from_name (references [assembly_idx - 1]->image, name_space, name);
5902 g_error ("not yet implemented");
5906 token = MONO_TOKEN_TYPE_DEF | token;
5908 class = mono_class_get (image, token);
5910 return return_nested_in (class, nested);
5915 mono_class_is_subclass_of (MonoClass *klass, MonoClass *klassc,
5916 gboolean check_interfaces)
5918 g_assert (klassc->idepth > 0);
5919 if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && !MONO_CLASS_IS_INTERFACE (klass)) {
5920 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, klassc->interface_id))
5922 } else if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && MONO_CLASS_IS_INTERFACE (klass)) {
5925 for (i = 0; i < klass->interface_count; i ++) {
5926 MonoClass *ic = klass->interfaces [i];
5931 if (!MONO_CLASS_IS_INTERFACE (klass) && mono_class_has_parent (klass, klassc))
5936 * MS.NET thinks interfaces are a subclass of Object, so we think it as
5939 if (klassc == mono_defaults.object_class)
5946 * mono_class_is_assignable_from:
5947 * @klass: the class to be assigned to
5948 * @oklass: the source class
5950 * Return: true if an instance of object oklass can be assigned to an
5951 * instance of object @klass
5954 mono_class_is_assignable_from (MonoClass *klass, MonoClass *oklass)
5957 mono_class_init (klass);
5959 if (!oklass->inited)
5960 mono_class_init (oklass);
5962 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
5963 return klass == oklass;
5965 if (MONO_CLASS_IS_INTERFACE (klass)) {
5966 if ((oklass->byval_arg.type == MONO_TYPE_VAR) || (oklass->byval_arg.type == MONO_TYPE_MVAR))
5969 /* interface_offsets might not be set for dynamic classes */
5970 if (oklass->reflection_info && !oklass->interface_bitmap)
5972 * oklass might be a generic type parameter but they have
5973 * interface_offsets set.
5975 return mono_reflection_call_is_assignable_to (oklass, klass);
5976 if (!oklass->interface_bitmap)
5977 /* Happens with generic instances of not-yet created dynamic types */
5979 if (MONO_CLASS_IMPLEMENTS_INTERFACE (oklass, klass->interface_id))
5982 if (mono_class_has_variant_generic_params (klass) && oklass->generic_class) {
5984 gboolean match = FALSE;
5985 MonoClass *container_class1 = klass->generic_class->container_class;
5986 MonoClass *container_class2 = oklass->generic_class->container_class;
5989 * Check whenever the generic definition of oklass implements the
5990 * generic definition of klass. The IMPLEMENTS_INTERFACE stuff is not usable
5991 * here since the relevant tables are not set up.
5993 for (i = 0; i < container_class2->interface_offsets_count; ++i)
5994 if ((container_class2->interfaces_packed [i] == container_class1) || (container_class2->interfaces_packed [i]->generic_class && (container_class2->interfaces_packed [i]->generic_class->container_class == container_class1)))
5997 if (match && mono_class_is_variant_of (oklass, klass)) {
6001 } else if (klass->rank) {
6002 MonoClass *eclass, *eoclass;
6004 if (oklass->rank != klass->rank)
6007 /* vectors vs. one dimensional arrays */
6008 if (oklass->byval_arg.type != klass->byval_arg.type)
6011 eclass = klass->cast_class;
6012 eoclass = oklass->cast_class;
6015 * a is b does not imply a[] is b[] when a is a valuetype, and
6016 * b is a reference type.
6019 if (eoclass->valuetype) {
6020 if ((eclass == mono_defaults.enum_class) ||
6021 (eclass == mono_defaults.enum_class->parent) ||
6022 (eclass == mono_defaults.object_class))
6026 return mono_class_is_assignable_from (klass->cast_class, oklass->cast_class);
6027 } else if (mono_class_is_nullable (klass)) {
6028 if (mono_class_is_nullable (oklass))
6029 return mono_class_is_assignable_from (klass->cast_class, oklass->cast_class);
6031 return mono_class_is_assignable_from (klass->cast_class, oklass);
6032 } else if (klass == mono_defaults.object_class)
6035 return mono_class_has_parent (oklass, klass);
6039 * mono_class_get_cctor:
6040 * @klass: A MonoClass pointer
6042 * Returns: the static constructor of @klass if it exists, NULL otherwise.
6045 mono_class_get_cctor (MonoClass *klass)
6047 MonoCachedClassInfo cached_info;
6049 if (!klass->has_cctor)
6052 if (mono_class_get_cached_class_info (klass, &cached_info))
6053 return mono_get_method (klass->image, cached_info.cctor_token, klass);
6055 if (klass->generic_class && !klass->methods)
6056 return mono_class_get_inflated_method (klass, mono_class_get_cctor (klass->generic_class->container_class));
6058 return mono_class_get_method_from_name_flags (klass, ".cctor", -1, METHOD_ATTRIBUTE_SPECIAL_NAME);
6062 * mono_class_get_finalizer:
6063 * @klass: The MonoClass pointer
6065 * Returns: the finalizer method of @klass if it exists, NULL otherwise.
6068 mono_class_get_finalizer (MonoClass *klass)
6070 MonoCachedClassInfo cached_info;
6073 mono_class_init (klass);
6074 if (!klass->has_finalize)
6077 if (mono_class_get_cached_class_info (klass, &cached_info))
6078 return mono_get_method (cached_info.finalize_image, cached_info.finalize_token, NULL);
6080 mono_class_setup_vtable (klass);
6081 return klass->vtable [finalize_slot];
6086 * mono_class_needs_cctor_run:
6087 * @klass: the MonoClass pointer
6088 * @caller: a MonoMethod describing the caller
6090 * Determines whenever the class has a static constructor and whenever it
6091 * needs to be called when executing CALLER.
6094 mono_class_needs_cctor_run (MonoClass *klass, MonoMethod *caller)
6098 method = mono_class_get_cctor (klass);
6100 return (method == caller) ? FALSE : TRUE;
6106 * mono_class_array_element_size:
6109 * Returns: the number of bytes an element of type @klass
6110 * uses when stored into an array.
6113 mono_class_array_element_size (MonoClass *klass)
6115 MonoType *type = &klass->byval_arg;
6118 switch (type->type) {
6121 case MONO_TYPE_BOOLEAN:
6125 case MONO_TYPE_CHAR:
6134 case MONO_TYPE_CLASS:
6135 case MONO_TYPE_STRING:
6136 case MONO_TYPE_OBJECT:
6137 case MONO_TYPE_SZARRAY:
6138 case MONO_TYPE_ARRAY:
6140 case MONO_TYPE_MVAR:
6141 return sizeof (gpointer);
6146 case MONO_TYPE_VALUETYPE:
6147 if (type->data.klass->enumtype) {
6148 type = mono_class_enum_basetype (type->data.klass);
6149 klass = klass->element_class;
6152 return mono_class_instance_size (klass) - sizeof (MonoObject);
6153 case MONO_TYPE_GENERICINST:
6154 type = &type->data.generic_class->container_class->byval_arg;
6157 g_error ("unknown type 0x%02x in mono_class_array_element_size", type->type);
6163 * mono_array_element_size:
6164 * @ac: pointer to a #MonoArrayClass
6166 * Returns: the size of single array element.
6169 mono_array_element_size (MonoClass *ac)
6171 g_assert (ac->rank);
6172 return ac->sizes.element_size;
6176 mono_ldtoken (MonoImage *image, guint32 token, MonoClass **handle_class,
6177 MonoGenericContext *context)
6179 if (image->dynamic) {
6180 MonoClass *tmp_handle_class;
6181 gpointer obj = mono_lookup_dynamic_token_class (image, token, TRUE, &tmp_handle_class, context);
6183 g_assert (tmp_handle_class);
6185 *handle_class = tmp_handle_class;
6187 if (tmp_handle_class == mono_defaults.typehandle_class)
6188 return &((MonoClass*)obj)->byval_arg;
6193 switch (token & 0xff000000) {
6194 case MONO_TOKEN_TYPE_DEF:
6195 case MONO_TOKEN_TYPE_REF:
6196 case MONO_TOKEN_TYPE_SPEC: {
6199 *handle_class = mono_defaults.typehandle_class;
6200 type = mono_type_get_full (image, token, context);
6203 mono_class_init (mono_class_from_mono_type (type));
6204 /* We return a MonoType* as handle */
6207 case MONO_TOKEN_FIELD_DEF: {
6209 guint32 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
6211 *handle_class = mono_defaults.fieldhandle_class;
6212 class = mono_class_get_full (image, MONO_TOKEN_TYPE_DEF | type, context);
6215 mono_class_init (class);
6216 return mono_class_get_field (class, token);
6218 case MONO_TOKEN_METHOD_DEF:
6219 case MONO_TOKEN_METHOD_SPEC: {
6221 meth = mono_get_method_full (image, token, NULL, context);
6223 *handle_class = mono_defaults.methodhandle_class;
6226 case MONO_TOKEN_MEMBER_REF: {
6227 guint32 cols [MONO_MEMBERREF_SIZE];
6229 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], mono_metadata_token_index (token) - 1, cols, MONO_MEMBERREF_SIZE);
6230 sig = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
6231 mono_metadata_decode_blob_size (sig, &sig);
6232 if (*sig == 0x6) { /* it's a field */
6234 MonoClassField *field;
6235 field = mono_field_from_token (image, token, &klass, context);
6237 *handle_class = mono_defaults.fieldhandle_class;
6241 meth = mono_get_method_full (image, token, NULL, context);
6243 *handle_class = mono_defaults.methodhandle_class;
6248 g_warning ("Unknown token 0x%08x in ldtoken", token);
6255 * This function might need to call runtime functions so it can't be part
6256 * of the metadata library.
6258 static MonoLookupDynamicToken lookup_dynamic = NULL;
6261 mono_install_lookup_dynamic_token (MonoLookupDynamicToken func)
6263 lookup_dynamic = func;
6267 mono_lookup_dynamic_token (MonoImage *image, guint32 token, MonoGenericContext *context)
6269 MonoClass *handle_class;
6271 return lookup_dynamic (image, token, TRUE, &handle_class, context);
6275 mono_lookup_dynamic_token_class (MonoImage *image, guint32 token, gboolean valid_token, MonoClass **handle_class, MonoGenericContext *context)
6277 return lookup_dynamic (image, token, valid_token, handle_class, context);
6280 static MonoGetCachedClassInfo get_cached_class_info = NULL;
6283 mono_install_get_cached_class_info (MonoGetCachedClassInfo func)
6285 get_cached_class_info = func;
6289 mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res)
6291 if (!get_cached_class_info)
6294 return get_cached_class_info (klass, res);
6298 mono_install_get_class_from_name (MonoGetClassFromName func)
6300 get_class_from_name = func;
6304 mono_class_get_image (MonoClass *klass)
6306 return klass->image;
6310 * mono_class_get_element_class:
6311 * @klass: the MonoClass to act on
6313 * Returns: the element class of an array or an enumeration.
6316 mono_class_get_element_class (MonoClass *klass)
6318 return klass->element_class;
6322 * mono_class_is_valuetype:
6323 * @klass: the MonoClass to act on
6325 * Returns: true if the MonoClass represents a ValueType.
6328 mono_class_is_valuetype (MonoClass *klass)
6330 return klass->valuetype;
6334 * mono_class_is_enum:
6335 * @klass: the MonoClass to act on
6337 * Returns: true if the MonoClass represents an enumeration.
6340 mono_class_is_enum (MonoClass *klass)
6342 return klass->enumtype;
6346 * mono_class_enum_basetype:
6347 * @klass: the MonoClass to act on
6349 * Returns: the underlying type representation for an enumeration.
6352 mono_class_enum_basetype (MonoClass *klass)
6354 if (klass->element_class == klass)
6358 return &klass->element_class->byval_arg;
6362 * mono_class_get_parent
6363 * @klass: the MonoClass to act on
6365 * Returns: the parent class for this class.
6368 mono_class_get_parent (MonoClass *klass)
6370 return klass->parent;
6374 * mono_class_get_nesting_type;
6375 * @klass: the MonoClass to act on
6377 * Returns: the container type where this type is nested or NULL if this type is not a nested type.
6380 mono_class_get_nesting_type (MonoClass *klass)
6382 return klass->nested_in;
6386 * mono_class_get_rank:
6387 * @klass: the MonoClass to act on
6389 * Returns: the rank for the array (the number of dimensions).
6392 mono_class_get_rank (MonoClass *klass)
6398 * mono_class_get_flags:
6399 * @klass: the MonoClass to act on
6401 * The type flags from the TypeDef table from the metadata.
6402 * see the TYPE_ATTRIBUTE_* definitions on tabledefs.h for the
6405 * Returns: the flags from the TypeDef table.
6408 mono_class_get_flags (MonoClass *klass)
6410 return klass->flags;
6414 * mono_class_get_name
6415 * @klass: the MonoClass to act on
6417 * Returns: the name of the class.
6420 mono_class_get_name (MonoClass *klass)
6426 * mono_class_get_namespace:
6427 * @klass: the MonoClass to act on
6429 * Returns: the namespace of the class.
6432 mono_class_get_namespace (MonoClass *klass)
6434 return klass->name_space;
6438 * mono_class_get_type:
6439 * @klass: the MonoClass to act on
6441 * This method returns the internal Type representation for the class.
6443 * Returns: the MonoType from the class.
6446 mono_class_get_type (MonoClass *klass)
6448 return &klass->byval_arg;
6452 * mono_class_get_type_token
6453 * @klass: the MonoClass to act on
6455 * This method returns type token for the class.
6457 * Returns: the type token for the class.
6460 mono_class_get_type_token (MonoClass *klass)
6462 return klass->type_token;
6466 * mono_class_get_byref_type:
6467 * @klass: the MonoClass to act on
6472 mono_class_get_byref_type (MonoClass *klass)
6474 return &klass->this_arg;
6478 * mono_class_num_fields:
6479 * @klass: the MonoClass to act on
6481 * Returns: the number of static and instance fields in the class.
6484 mono_class_num_fields (MonoClass *klass)
6486 return klass->field.count;
6490 * mono_class_num_methods:
6491 * @klass: the MonoClass to act on
6493 * Returns: the number of methods in the class.
6496 mono_class_num_methods (MonoClass *klass)
6498 return klass->method.count;
6502 * mono_class_num_properties
6503 * @klass: the MonoClass to act on
6505 * Returns: the number of properties in the class.
6508 mono_class_num_properties (MonoClass *klass)
6510 mono_class_setup_properties (klass);
6512 return klass->ext->property.count;
6516 * mono_class_num_events:
6517 * @klass: the MonoClass to act on
6519 * Returns: the number of events in the class.
6522 mono_class_num_events (MonoClass *klass)
6524 mono_class_setup_events (klass);
6526 return klass->ext->event.count;
6530 * mono_class_get_fields:
6531 * @klass: the MonoClass to act on
6533 * This routine is an iterator routine for retrieving the fields in a class.
6535 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6536 * iterate over all of the elements. When no more values are
6537 * available, the return value is NULL.
6539 * Returns: a @MonoClassField* on each iteration, or NULL when no more fields are available.
6542 mono_class_get_fields (MonoClass* klass, gpointer *iter)
6544 MonoClassField* field;
6548 mono_class_setup_fields_locking (klass);
6549 if (klass->exception_type)
6551 /* start from the first */
6552 if (klass->field.count) {
6553 return *iter = &klass->fields [0];
6561 if (field < &klass->fields [klass->field.count]) {
6562 return *iter = field;
6568 * mono_class_get_methods
6569 * @klass: the MonoClass to act on
6571 * This routine is an iterator routine for retrieving the fields in a class.
6573 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6574 * iterate over all of the elements. When no more values are
6575 * available, the return value is NULL.
6577 * Returns: a MonoMethod on each iteration or NULL when no more methods are available.
6580 mono_class_get_methods (MonoClass* klass, gpointer *iter)
6582 MonoMethod** method;
6586 mono_class_init (klass);
6588 mono_class_setup_methods (klass);
6589 /* start from the first */
6590 if (klass->method.count) {
6591 *iter = &klass->methods [0];
6592 return klass->methods [0];
6600 if (method < &klass->methods [klass->method.count]) {
6608 * mono_class_get_virtual_methods:
6610 * Iterate over the virtual methods of KLASS.
6612 * LOCKING: Assumes the loader lock is held (because of the klass->methods check).
6615 mono_class_get_virtual_methods (MonoClass* klass, gpointer *iter)
6617 MonoMethod** method;
6620 if (klass->methods || !MONO_CLASS_HAS_STATIC_METADATA (klass) || mono_debug_using_mono_debugger ()) {
6622 mono_class_setup_methods (klass);
6623 /* start from the first */
6624 method = &klass->methods [0];
6629 while (method < &klass->methods [klass->method.count]) {
6630 if (((*method)->flags & METHOD_ATTRIBUTE_VIRTUAL))
6634 if (method < &klass->methods [klass->method.count]) {
6641 /* Search directly in metadata to avoid calling setup_methods () */
6642 MonoMethod *res = NULL;
6648 start_index = GPOINTER_TO_UINT (*iter);
6651 for (i = start_index; i < klass->method.count; ++i) {
6652 guint32 cols [MONO_METHOD_SIZE];
6654 /* class->method.first points into the methodptr table */
6655 mono_metadata_decode_table_row (klass->image, MONO_TABLE_METHOD, klass->method.first + i, cols, MONO_METHOD_SIZE);
6657 if (cols [MONO_METHOD_FLAGS] & METHOD_ATTRIBUTE_VIRTUAL)
6661 if (i < klass->method.count) {
6662 res = mono_get_method (klass->image, MONO_TOKEN_METHOD_DEF | (klass->method.first + i + 1), klass);
6663 /* Add 1 here so the if (*iter) check fails */
6664 *iter = GUINT_TO_POINTER (i + 1);
6673 * mono_class_get_properties:
6674 * @klass: the MonoClass to act on
6676 * This routine is an iterator routine for retrieving the properties in a class.
6678 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6679 * iterate over all of the elements. When no more values are
6680 * available, the return value is NULL.
6682 * Returns: a @MonoProperty* on each invocation, or NULL when no more are available.
6685 mono_class_get_properties (MonoClass* klass, gpointer *iter)
6687 MonoProperty* property;
6691 mono_class_init (klass);
6693 mono_class_setup_properties (klass);
6694 /* start from the first */
6695 if (klass->ext->property.count) {
6696 return *iter = &klass->ext->properties [0];
6704 if (property < &klass->ext->properties [klass->ext->property.count]) {
6705 return *iter = property;
6711 * mono_class_get_events:
6712 * @klass: the MonoClass to act on
6714 * This routine is an iterator routine for retrieving the properties in a class.
6716 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6717 * iterate over all of the elements. When no more values are
6718 * available, the return value is NULL.
6720 * Returns: a @MonoEvent* on each invocation, or NULL when no more are available.
6723 mono_class_get_events (MonoClass* klass, gpointer *iter)
6729 mono_class_init (klass);
6731 mono_class_setup_events (klass);
6732 /* start from the first */
6733 if (klass->ext->event.count) {
6734 return *iter = &klass->ext->events [0];
6742 if (event < &klass->ext->events [klass->ext->event.count]) {
6743 return *iter = event;
6749 * mono_class_get_interfaces
6750 * @klass: the MonoClass to act on
6752 * This routine is an iterator routine for retrieving the interfaces implemented by this class.
6754 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6755 * iterate over all of the elements. When no more values are
6756 * available, the return value is NULL.
6758 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6761 mono_class_get_interfaces (MonoClass* klass, gpointer *iter)
6767 mono_class_init (klass);
6769 /* start from the first */
6770 if (klass->interface_count) {
6771 *iter = &klass->interfaces [0];
6772 return klass->interfaces [0];
6780 if (iface < &klass->interfaces [klass->interface_count]) {
6788 * mono_class_get_nested_types
6789 * @klass: the MonoClass to act on
6791 * This routine is an iterator routine for retrieving the nested types of a class.
6792 * This works only if @klass is non-generic, or a generic type definition.
6794 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6795 * iterate over all of the elements. When no more values are
6796 * available, the return value is NULL.
6798 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6801 mono_class_get_nested_types (MonoClass* klass, gpointer *iter)
6809 mono_class_init (klass);
6810 if (!klass->nested_classes_inited) {
6811 if (!klass->type_token)
6812 klass->nested_classes_inited = TRUE;
6813 mono_loader_lock ();
6814 if (!klass->nested_classes_inited) {
6815 i = mono_metadata_nesting_typedef (klass->image, klass->type_token, 1);
6818 guint32 cols [MONO_NESTED_CLASS_SIZE];
6819 mono_metadata_decode_row (&klass->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, cols, MONO_NESTED_CLASS_SIZE);
6820 nclass = mono_class_create_from_typedef (klass->image, MONO_TOKEN_TYPE_DEF | cols [MONO_NESTED_CLASS_NESTED]);
6821 mono_class_alloc_ext (klass);
6822 klass->ext->nested_classes = g_list_prepend_mempool (klass->ext->nested_classes, klass->image->mempool, nclass);
6824 i = mono_metadata_nesting_typedef (klass->image, klass->type_token, i + 1);
6827 mono_memory_barrier ();
6828 klass->nested_classes_inited = TRUE;
6829 mono_loader_unlock ();
6833 /* start from the first */
6834 if (klass->ext && klass->ext->nested_classes) {
6835 *iter = klass->ext->nested_classes;
6836 return klass->ext->nested_classes->data;
6838 /* no nested types */
6852 * mono_field_get_name:
6853 * @field: the MonoClassField to act on
6855 * Returns: the name of the field.
6858 mono_field_get_name (MonoClassField *field)
6864 * mono_field_get_type:
6865 * @field: the MonoClassField to act on
6867 * Returns: MonoType of the field.
6870 mono_field_get_type (MonoClassField *field)
6876 * mono_field_get_type:
6877 * @field: the MonoClassField to act on
6879 * Returns: MonoClass where the field was defined.
6882 mono_field_get_parent (MonoClassField *field)
6884 return field->parent;
6888 * mono_field_get_flags;
6889 * @field: the MonoClassField to act on
6891 * The metadata flags for a field are encoded using the
6892 * FIELD_ATTRIBUTE_* constants. See the tabledefs.h file for details.
6894 * Returns: the flags for the field.
6897 mono_field_get_flags (MonoClassField *field)
6899 return field->type->attrs;
6903 * mono_field_get_offset;
6904 * @field: the MonoClassField to act on
6906 * Returns: the field offset.
6909 mono_field_get_offset (MonoClassField *field)
6911 return field->offset;
6915 mono_field_get_rva (MonoClassField *field)
6919 MonoClass *klass = field->parent;
6921 g_assert (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA);
6923 if (!klass->ext || !klass->ext->field_def_values) {
6924 mono_loader_lock ();
6925 mono_class_alloc_ext (klass);
6926 if (!klass->ext->field_def_values)
6927 klass->ext->field_def_values = mono_image_alloc0 (klass->image, sizeof (MonoFieldDefaultValue) * klass->field.count);
6928 mono_loader_unlock ();
6931 field_index = mono_field_get_index (field);
6933 if (!klass->ext->field_def_values [field_index].data && !klass->image->dynamic) {
6934 mono_metadata_field_info (field->parent->image, klass->field.first + field_index, NULL, &rva, NULL);
6936 g_warning ("field %s in %s should have RVA data, but hasn't", mono_field_get_name (field), field->parent->name);
6937 klass->ext->field_def_values [field_index].data = mono_image_rva_map (field->parent->image, rva);
6940 return klass->ext->field_def_values [field_index].data;
6944 * mono_field_get_data;
6945 * @field: the MonoClassField to act on
6947 * Returns: pointer to the metadata constant value or to the field
6948 * data if it has an RVA flag.
6951 mono_field_get_data (MonoClassField *field)
6953 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT) {
6954 MonoTypeEnum def_type;
6956 return mono_class_get_field_default_value (field, &def_type);
6957 } else if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA) {
6958 return mono_field_get_rva (field);
6965 * mono_property_get_name:
6966 * @prop: the MonoProperty to act on
6968 * Returns: the name of the property
6971 mono_property_get_name (MonoProperty *prop)
6977 * mono_property_get_set_method
6978 * @prop: the MonoProperty to act on.
6980 * Returns: the setter method of the property (A MonoMethod)
6983 mono_property_get_set_method (MonoProperty *prop)
6989 * mono_property_get_get_method
6990 * @prop: the MonoProperty to act on.
6992 * Returns: the setter method of the property (A MonoMethod)
6995 mono_property_get_get_method (MonoProperty *prop)
7001 * mono_property_get_parent:
7002 * @prop: the MonoProperty to act on.
7004 * Returns: the MonoClass where the property was defined.
7007 mono_property_get_parent (MonoProperty *prop)
7009 return prop->parent;
7013 * mono_property_get_flags:
7014 * @prop: the MonoProperty to act on.
7016 * The metadata flags for a property are encoded using the
7017 * PROPERTY_ATTRIBUTE_* constants. See the tabledefs.h file for details.
7019 * Returns: the flags for the property.
7022 mono_property_get_flags (MonoProperty *prop)
7028 * mono_event_get_name:
7029 * @event: the MonoEvent to act on
7031 * Returns: the name of the event.
7034 mono_event_get_name (MonoEvent *event)
7040 * mono_event_get_add_method:
7041 * @event: The MonoEvent to act on.
7043 * Returns: the @add' method for the event (a MonoMethod).
7046 mono_event_get_add_method (MonoEvent *event)
7052 * mono_event_get_remove_method:
7053 * @event: The MonoEvent to act on.
7055 * Returns: the @remove method for the event (a MonoMethod).
7058 mono_event_get_remove_method (MonoEvent *event)
7060 return event->remove;
7064 * mono_event_get_raise_method:
7065 * @event: The MonoEvent to act on.
7067 * Returns: the @raise method for the event (a MonoMethod).
7070 mono_event_get_raise_method (MonoEvent *event)
7072 return event->raise;
7076 * mono_event_get_parent:
7077 * @event: the MonoEvent to act on.
7079 * Returns: the MonoClass where the event is defined.
7082 mono_event_get_parent (MonoEvent *event)
7084 return event->parent;
7088 * mono_event_get_flags
7089 * @event: the MonoEvent to act on.
7091 * The metadata flags for an event are encoded using the
7092 * EVENT_* constants. See the tabledefs.h file for details.
7094 * Returns: the flags for the event.
7097 mono_event_get_flags (MonoEvent *event)
7099 return event->attrs;
7103 * mono_class_get_method_from_name:
7104 * @klass: where to look for the method
7105 * @name_space: name of the method
7106 * @param_count: number of parameters. -1 for any number.
7108 * Obtains a MonoMethod with a given name and number of parameters.
7109 * It only works if there are no multiple signatures for any given method name.
7112 mono_class_get_method_from_name (MonoClass *klass, const char *name, int param_count)
7114 return mono_class_get_method_from_name_flags (klass, name, param_count, 0);
7118 find_method_in_metadata (MonoClass *klass, const char *name, int param_count, int flags)
7120 MonoMethod *res = NULL;
7123 /* Search directly in the metadata to avoid calling setup_methods () */
7124 for (i = 0; i < klass->method.count; ++i) {
7125 guint32 cols [MONO_METHOD_SIZE];
7128 /* class->method.first points into the methodptr table */
7129 mono_metadata_decode_table_row (klass->image, MONO_TABLE_METHOD, klass->method.first + i, cols, MONO_METHOD_SIZE);
7131 if (!strcmp (mono_metadata_string_heap (klass->image, cols [MONO_METHOD_NAME]), name)) {
7132 method = mono_get_method (klass->image, MONO_TOKEN_METHOD_DEF | (klass->method.first + i + 1), klass);
7133 if ((param_count == -1) || mono_method_signature (method)->param_count == param_count) {
7144 * mono_class_get_method_from_name_flags:
7145 * @klass: where to look for the method
7146 * @name_space: name of the method
7147 * @param_count: number of parameters. -1 for any number.
7148 * @flags: flags which must be set in the method
7150 * Obtains a MonoMethod with a given name and number of parameters.
7151 * It only works if there are no multiple signatures for any given method name.
7154 mono_class_get_method_from_name_flags (MonoClass *klass, const char *name, int param_count, int flags)
7156 MonoMethod *res = NULL;
7159 mono_class_init (klass);
7161 if (klass->generic_class && !klass->methods) {
7162 res = mono_class_get_method_from_name_flags (klass->generic_class->container_class, name, param_count, flags);
7164 res = mono_class_inflate_generic_method_full (res, klass, mono_class_get_context (klass));
7168 if (klass->methods || !MONO_CLASS_HAS_STATIC_METADATA (klass)) {
7169 mono_class_setup_methods (klass);
7170 for (i = 0; i < klass->method.count; ++i) {
7171 MonoMethod *method = klass->methods [i];
7173 if (method->name[0] == name [0] &&
7174 !strcmp (name, method->name) &&
7175 (param_count == -1 || mono_method_signature (method)->param_count == param_count) &&
7176 ((method->flags & flags) == flags)) {
7183 res = find_method_in_metadata (klass, name, param_count, flags);
7190 * mono_class_set_failure:
7191 * @klass: class in which the failure was detected
7192 * @ex_type: the kind of exception/error to be thrown (later)
7193 * @ex_data: exception data (specific to each type of exception/error)
7195 * Keep a detected failure informations in the class for later processing.
7196 * Note that only the first failure is kept.
7198 * LOCKING: Acquires the loader lock.
7201 mono_class_set_failure (MonoClass *klass, guint32 ex_type, void *ex_data)
7203 if (klass->exception_type)
7206 mono_loader_lock ();
7207 klass->exception_type = ex_type;
7209 mono_property_hash_insert (klass->image->property_hash, klass, MONO_CLASS_PROP_EXCEPTION_DATA, ex_data);
7210 mono_loader_unlock ();
7216 * mono_class_get_exception_data:
7218 * Return the exception_data property of KLASS.
7220 * LOCKING: Acquires the loader lock.
7223 mono_class_get_exception_data (MonoClass *klass)
7227 mono_loader_lock ();
7228 res = mono_property_hash_lookup (klass->image->property_hash, klass, MONO_CLASS_PROP_EXCEPTION_DATA);
7229 mono_loader_unlock ();
7234 * mono_classes_init:
7236 * Initialize the resources used by this module.
7239 mono_classes_init (void)
7241 mono_counters_register ("Inflated methods size",
7242 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &inflated_methods_size);
7243 mono_counters_register ("Inflated classes",
7244 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &inflated_classes);
7245 mono_counters_register ("Inflated classes size",
7246 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &inflated_classes_size);
7247 mono_counters_register ("MonoClass size",
7248 MONO_COUNTER_METADATA | MONO_COUNTER_INT, &classes_size);
7249 mono_counters_register ("MonoClassExt size",
7250 MONO_COUNTER_METADATA | MONO_COUNTER_INT, &class_ext_size);
7254 * mono_classes_cleanup:
7256 * Free the resources used by this module.
7259 mono_classes_cleanup (void)
7261 if (global_interface_bitset)
7262 mono_bitset_free (global_interface_bitset);
7266 * mono_class_get_exception_for_failure:
7267 * @klass: class in which the failure was detected
7269 * Return a constructed MonoException than the caller can then throw
7270 * using mono_raise_exception - or NULL if no failure is present (or
7271 * doesn't result in an exception).
7274 mono_class_get_exception_for_failure (MonoClass *klass)
7276 gpointer exception_data = mono_class_get_exception_data (klass);
7278 switch (klass->exception_type) {
7279 case MONO_EXCEPTION_SECURITY_INHERITANCEDEMAND: {
7280 MonoDomain *domain = mono_domain_get ();
7281 MonoSecurityManager* secman = mono_security_manager_get_methods ();
7282 MonoMethod *method = exception_data;
7283 guint32 error = (method) ? MONO_METADATA_INHERITANCEDEMAND_METHOD : MONO_METADATA_INHERITANCEDEMAND_CLASS;
7284 MonoObject *exc = NULL;
7288 args [1] = mono_assembly_get_object (domain, mono_image_get_assembly (klass->image));
7289 args [2] = mono_type_get_object (domain, &klass->byval_arg);
7290 args [3] = (method) ? mono_method_get_object (domain, method, NULL) : NULL;
7292 mono_runtime_invoke (secman->inheritsecurityexception, NULL, args, &exc);
7293 return (MonoException*) exc;
7295 case MONO_EXCEPTION_TYPE_LOAD: {
7298 char *str = mono_type_get_full_name (klass);
7299 char *astr = klass->image->assembly? mono_stringify_assembly_name (&klass->image->assembly->aname): NULL;
7300 name = mono_string_new (mono_domain_get (), str);
7302 ex = mono_get_exception_type_load (name, astr);
7306 case MONO_EXCEPTION_MISSING_METHOD: {
7307 char *class_name = exception_data;
7308 char *assembly_name = class_name + strlen (class_name) + 1;
7310 return mono_get_exception_missing_method (class_name, assembly_name);
7312 case MONO_EXCEPTION_MISSING_FIELD: {
7313 char *class_name = exception_data;
7314 char *member_name = class_name + strlen (class_name) + 1;
7316 return mono_get_exception_missing_field (class_name, member_name);
7318 case MONO_EXCEPTION_FILE_NOT_FOUND: {
7319 char *msg_format = exception_data;
7320 char *assembly_name = msg_format + strlen (msg_format) + 1;
7321 char *msg = g_strdup_printf (msg_format, assembly_name);
7324 ex = mono_get_exception_file_not_found2 (msg, mono_string_new (mono_domain_get (), assembly_name));
7330 case MONO_EXCEPTION_BAD_IMAGE: {
7331 return mono_get_exception_bad_image_format (exception_data);
7334 MonoLoaderError *error;
7337 error = mono_loader_get_last_error ();
7339 ex = mono_loader_error_prepare_exception (error);
7343 /* TODO - handle other class related failures */
7350 is_nesting_type (MonoClass *outer_klass, MonoClass *inner_klass)
7352 outer_klass = mono_class_get_generic_type_definition (outer_klass);
7353 inner_klass = mono_class_get_generic_type_definition (inner_klass);
7355 if (outer_klass == inner_klass)
7357 inner_klass = inner_klass->nested_in;
7358 } while (inner_klass);
7363 mono_class_get_generic_type_definition (MonoClass *klass)
7365 return klass->generic_class ? klass->generic_class->container_class : klass;
7369 * Check if @klass is a subtype of @parent ignoring generic instantiations.
7371 * Generic instantiations are ignored for all super types of @klass.
7373 * Visibility checks ignoring generic instantiations.
7376 mono_class_has_parent_and_ignore_generics (MonoClass *klass, MonoClass *parent)
7379 klass = mono_class_get_generic_type_definition (klass);
7380 parent = mono_class_get_generic_type_definition (parent);
7382 for (i = 0; i < klass->idepth; ++i) {
7383 if (parent == mono_class_get_generic_type_definition (klass->supertypes [i]))
7389 * Subtype can only access parent members with family protection if the site object
7390 * is subclass of Subtype. For example:
7391 * class A { protected int x; }
7393 * void valid_access () {
7397 * void invalid_access () {
7404 is_valid_family_access (MonoClass *access_klass, MonoClass *member_klass, MonoClass *context_klass)
7406 if (!mono_class_has_parent_and_ignore_generics (access_klass, member_klass))
7409 if (context_klass == NULL)
7411 /*if access_klass is not member_klass context_klass must be type compat*/
7412 if (access_klass != member_klass && !mono_class_has_parent_and_ignore_generics (context_klass, access_klass))
7418 can_access_internals (MonoAssembly *accessing, MonoAssembly* accessed)
7421 if (accessing == accessed)
7423 if (!accessed || !accessing)
7425 mono_assembly_load_friends (accessed);
7426 for (tmp = accessed->friend_assembly_names; tmp; tmp = tmp->next) {
7427 MonoAssemblyName *friend = tmp->data;
7428 /* Be conservative with checks */
7431 if (strcmp (accessing->aname.name, friend->name))
7433 if (friend->public_key_token [0]) {
7434 if (!accessing->aname.public_key_token [0])
7436 if (!mono_public_tokens_are_equal (friend->public_key_token, accessing->aname.public_key_token))
7445 * If klass is a generic type or if it is derived from a generic type, return the
7446 * MonoClass of the generic definition
7447 * Returns NULL if not found
7450 get_generic_definition_class (MonoClass *klass)
7453 if (klass->generic_class && klass->generic_class->container_class)
7454 return klass->generic_class->container_class;
7455 klass = klass->parent;
7461 can_access_instantiation (MonoClass *access_klass, MonoGenericInst *ginst)
7464 for (i = 0; i < ginst->type_argc; ++i) {
7465 MonoType *type = ginst->type_argv[i];
7466 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
7468 if (!can_access_type (access_klass, mono_class_from_mono_type (type)))
7475 can_access_type (MonoClass *access_klass, MonoClass *member_klass)
7477 int access_level = member_klass->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK;
7479 if (member_klass->generic_class && !can_access_instantiation (access_klass, member_klass->generic_class->context.class_inst))
7482 if (is_nesting_type (access_klass, member_klass) || (access_klass->nested_in && is_nesting_type (access_klass->nested_in, member_klass)))
7485 if (member_klass->nested_in && !can_access_type (access_klass, member_klass->nested_in))
7488 switch (access_level) {
7489 case TYPE_ATTRIBUTE_NOT_PUBLIC:
7490 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7492 case TYPE_ATTRIBUTE_PUBLIC:
7495 case TYPE_ATTRIBUTE_NESTED_PUBLIC:
7498 case TYPE_ATTRIBUTE_NESTED_PRIVATE:
7499 return is_nesting_type (member_klass, access_klass);
7501 case TYPE_ATTRIBUTE_NESTED_FAMILY:
7502 return mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7504 case TYPE_ATTRIBUTE_NESTED_ASSEMBLY:
7505 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7507 case TYPE_ATTRIBUTE_NESTED_FAM_AND_ASSEM:
7508 return can_access_internals (access_klass->image->assembly, member_klass->nested_in->image->assembly) &&
7509 mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7511 case TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM:
7512 return can_access_internals (access_klass->image->assembly, member_klass->nested_in->image->assembly) ||
7513 mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7518 /* FIXME: check visibility of type, too */
7520 can_access_member (MonoClass *access_klass, MonoClass *member_klass, MonoClass* context_klass, int access_level)
7522 MonoClass *member_generic_def;
7523 if (((access_klass->generic_class && access_klass->generic_class->container_class) ||
7524 access_klass->generic_container) &&
7525 (member_generic_def = get_generic_definition_class (member_klass))) {
7526 MonoClass *access_container;
7528 if (access_klass->generic_container)
7529 access_container = access_klass;
7531 access_container = access_klass->generic_class->container_class;
7533 if (can_access_member (access_container, member_generic_def, context_klass, access_level))
7537 /* Partition I 8.5.3.2 */
7538 /* the access level values are the same for fields and methods */
7539 switch (access_level) {
7540 case FIELD_ATTRIBUTE_COMPILER_CONTROLLED:
7541 /* same compilation unit */
7542 return access_klass->image == member_klass->image;
7543 case FIELD_ATTRIBUTE_PRIVATE:
7544 return access_klass == member_klass;
7545 case FIELD_ATTRIBUTE_FAM_AND_ASSEM:
7546 if (is_valid_family_access (access_klass, member_klass, context_klass) &&
7547 can_access_internals (access_klass->image->assembly, member_klass->image->assembly))
7550 case FIELD_ATTRIBUTE_ASSEMBLY:
7551 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7552 case FIELD_ATTRIBUTE_FAMILY:
7553 if (is_valid_family_access (access_klass, member_klass, context_klass))
7556 case FIELD_ATTRIBUTE_FAM_OR_ASSEM:
7557 if (is_valid_family_access (access_klass, member_klass, context_klass))
7559 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7560 case FIELD_ATTRIBUTE_PUBLIC:
7567 mono_method_can_access_field (MonoMethod *method, MonoClassField *field)
7569 /* FIXME: check all overlapping fields */
7570 int can = can_access_member (method->klass, field->parent, NULL, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7572 MonoClass *nested = method->klass->nested_in;
7574 can = can_access_member (nested, field->parent, NULL, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7577 nested = nested->nested_in;
7584 mono_method_can_access_method (MonoMethod *method, MonoMethod *called)
7586 int can = can_access_member (method->klass, called->klass, NULL, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7588 MonoClass *nested = method->klass->nested_in;
7590 can = can_access_member (nested, called->klass, NULL, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7593 nested = nested->nested_in;
7598 * with generics calls to explicit interface implementations can be expressed
7599 * directly: the method is private, but we must allow it. This may be opening
7600 * a hole or the generics code should handle this differently.
7601 * Maybe just ensure the interface type is public.
7603 if ((called->flags & METHOD_ATTRIBUTE_VIRTUAL) && (called->flags & METHOD_ATTRIBUTE_FINAL))
7609 * mono_method_can_access_method_with_context:
7610 * @method: The caller method
7611 * @called: The called method
7612 * @context_klass:TThe static type on stack of the owner @called object used
7614 * This function must be used with instance calls, as they have more strict family accessibility.
7615 * It can be used with static mehthod, but context_klass should be NULL.
7617 * Returns: TRUE if caller have proper visibility and acessibility to @called
7620 mono_method_can_access_method_full (MonoMethod *method, MonoMethod *called, MonoClass *context_klass)
7622 MonoClass *access_class = method->klass;
7623 MonoClass *member_class = called->klass;
7624 int can = can_access_member (access_class, member_class, context_klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7626 MonoClass *nested = access_class->nested_in;
7628 can = can_access_member (nested, member_class, context_klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7631 nested = nested->nested_in;
7638 if (!can_access_type (access_class, member_class) && (!access_class->nested_in || !can_access_type (access_class->nested_in, member_class)))
7641 if (called->is_inflated) {
7642 MonoMethodInflated * infl = (MonoMethodInflated*)called;
7643 if (infl->context.method_inst && !can_access_instantiation (access_class, infl->context.method_inst))
7652 * mono_method_can_access_method_with_context:
7653 * @method: The caller method
7654 * @field: The accessed field
7655 * @context_klass: The static type on stack of the owner @field object used
7657 * This function must be used with instance fields, as they have more strict family accessibility.
7658 * It can be used with static fields, but context_klass should be NULL.
7660 * Returns: TRUE if caller have proper visibility and acessibility to @field
7663 mono_method_can_access_field_full (MonoMethod *method, MonoClassField *field, MonoClass *context_klass)
7665 MonoClass *access_class = method->klass;
7666 MonoClass *member_class = field->parent;
7667 /* FIXME: check all overlapping fields */
7668 int can = can_access_member (access_class, member_class, context_klass, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7670 MonoClass *nested = access_class->nested_in;
7672 can = can_access_member (nested, member_class, context_klass, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7675 nested = nested->nested_in;
7682 if (!can_access_type (access_class, member_class) && (!access_class->nested_in || !can_access_type (access_class->nested_in, member_class)))
7688 * mono_type_is_valid_enum_basetype:
7689 * @type: The MonoType to check
7691 * Returns: TRUE if the type can be used as the basetype of an enum
7693 gboolean mono_type_is_valid_enum_basetype (MonoType * type) {
7694 switch (type->type) {
7697 case MONO_TYPE_BOOLEAN:
7700 case MONO_TYPE_CHAR:
7713 * mono_class_is_valid_enum:
7714 * @klass: An enum class to be validated
7716 * This method verify the required properties an enum should have.
7718 * Returns: TRUE if the informed enum class is valid
7720 * FIXME: TypeBuilder enums are allowed to implement interfaces, but since they cannot have methods, only empty interfaces are possible
7721 * FIXME: enum types are not allowed to have a cctor, but mono_reflection_create_runtime_class sets has_cctor to 1 for all types
7722 * FIXME: TypeBuilder enums can have any kind of static fields, but the spec is very explicit about that (P II 14.3)
7724 gboolean mono_class_is_valid_enum (MonoClass *klass) {
7725 MonoClassField * field;
7726 gpointer iter = NULL;
7727 gboolean found_base_field = FALSE;
7729 g_assert (klass->enumtype);
7730 /* we cannot test against mono_defaults.enum_class, or mcs won't be able to compile the System namespace*/
7731 if (!klass->parent || strcmp (klass->parent->name, "Enum") || strcmp (klass->parent->name_space, "System") ) {
7735 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT)
7738 while ((field = mono_class_get_fields (klass, &iter))) {
7739 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
7740 if (found_base_field)
7742 found_base_field = TRUE;
7743 if (!mono_type_is_valid_enum_basetype (field->type))
7748 if (!found_base_field)
7751 if (klass->method.count > 0)
7758 mono_generic_class_is_generic_type_definition (MonoGenericClass *gklass)
7760 return gklass->context.class_inst == gklass->container_class->generic_container->context.class_inst;
7764 * mono_class_generic_sharing_enabled:
7767 * Returns whether generic sharing is enabled for class.
7769 * This is a stop-gap measure to slowly introduce generic sharing
7770 * until we have all the issues sorted out, at which time this
7771 * function will disappear and generic sharing will always be enabled.
7774 mono_class_generic_sharing_enabled (MonoClass *class)
7776 #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__mono_ppc__)
7777 static gboolean supported = TRUE;
7779 /* Not supported by the JIT backends */
7780 static gboolean supported = FALSE;
7782 static int generic_sharing = MONO_GENERIC_SHARING_NONE;
7783 static gboolean inited = FALSE;
7789 generic_sharing = MONO_GENERIC_SHARING_ALL;
7791 generic_sharing = MONO_GENERIC_SHARING_NONE;
7793 if ((option = g_getenv ("MONO_GENERIC_SHARING"))) {
7794 if (strcmp (option, "corlib") == 0)
7795 generic_sharing = MONO_GENERIC_SHARING_CORLIB;
7796 else if (strcmp (option, "collections") == 0)
7797 generic_sharing = MONO_GENERIC_SHARING_COLLECTIONS;
7798 else if (strcmp (option, "all") == 0)
7799 generic_sharing = MONO_GENERIC_SHARING_ALL;
7800 else if (strcmp (option, "none") == 0)
7801 generic_sharing = MONO_GENERIC_SHARING_NONE;
7803 g_warning ("Unknown generic sharing option `%s'.", option);
7807 generic_sharing = MONO_GENERIC_SHARING_NONE;
7812 switch (generic_sharing) {
7813 case MONO_GENERIC_SHARING_NONE:
7815 case MONO_GENERIC_SHARING_ALL:
7817 case MONO_GENERIC_SHARING_CORLIB :
7818 return class->image == mono_defaults.corlib;
7819 case MONO_GENERIC_SHARING_COLLECTIONS:
7820 if (class->image != mono_defaults.corlib)
7822 while (class->nested_in)
7823 class = class->nested_in;
7824 return g_str_has_prefix (class->name_space, "System.Collections.Generic");
7826 g_assert_not_reached ();
7831 * mono_class_setup_interface_id:
7833 * Initializes MonoClass::interface_id if required.
7835 * LOCKING: Acquires the loader lock.
7838 mono_class_setup_interface_id (MonoClass *class)
7840 mono_loader_lock ();
7841 if (MONO_CLASS_IS_INTERFACE (class) && !class->interface_id)
7842 class->interface_id = mono_get_unique_iid (class);
7843 mono_loader_unlock ();
7847 * mono_class_alloc_ext:
7849 * Allocate klass->ext if not already done.
7850 * LOCKING: Assumes the loader lock is held.
7853 mono_class_alloc_ext (MonoClass *klass)
7856 if (klass->generic_class) {
7857 klass->ext = g_new0 (MonoClassExt, 1);
7859 klass->ext = mono_image_alloc0 (klass->image, sizeof (MonoClassExt));
7861 class_ext_size += sizeof (MonoClassExt);