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)
19 #include <mono/io-layer/atomic.h>
21 #include <mono/metadata/image.h>
22 #include <mono/metadata/assembly.h>
23 #include <mono/metadata/metadata.h>
24 #include <mono/metadata/metadata-internals.h>
25 #include <mono/metadata/profiler-private.h>
26 #include <mono/metadata/tabledefs.h>
27 #include <mono/metadata/tokentype.h>
28 #include <mono/metadata/class-internals.h>
29 #include <mono/metadata/object.h>
30 #include <mono/metadata/appdomain.h>
31 #include <mono/metadata/mono-endian.h>
32 #include <mono/metadata/debug-helpers.h>
33 #include <mono/metadata/reflection.h>
34 #include <mono/metadata/exception.h>
35 #include <mono/metadata/security-manager.h>
36 #include <mono/metadata/security-core-clr.h>
37 #include <mono/metadata/attrdefs.h>
38 #include <mono/metadata/gc-internal.h>
39 #include <mono/metadata/verify-internals.h>
40 #include <mono/metadata/mono-debug.h>
41 #include <mono/utils/mono-counters.h>
45 gboolean mono_print_vtable = FALSE;
48 * Controls whenever mono_class_init () constructs a generic vtable. This is TRUE by
49 * default to avoid breaking embedding apps, but set to FALSE by the runtime executable
52 gboolean mono_setup_vtable_in_class_init = TRUE;
55 guint32 inflated_classes, inflated_classes_size, inflated_methods_size;
56 guint32 classes_size, class_ext_size;
58 /* Function supplied by the runtime to find classes by name using information from the AOT file */
59 static MonoGetClassFromName get_class_from_name = NULL;
61 static MonoClass * mono_class_create_from_typedef (MonoImage *image, guint32 type_token);
62 static gboolean mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res);
63 static gboolean can_access_type (MonoClass *access_klass, MonoClass *member_klass);
64 static MonoMethod* find_method_in_metadata (MonoClass *klass, const char *name, int param_count, int flags);
65 static int generic_array_methods (MonoClass *class);
66 static void setup_generic_array_ifaces (MonoClass *class, MonoClass *iface, MonoMethod **methods, int pos);
68 static MonoMethod* mono_class_get_virtual_methods (MonoClass* klass, gpointer *iter);
70 void (*mono_debugger_class_init_func) (MonoClass *klass) = NULL;
71 void (*mono_debugger_class_loaded_methods_func) (MonoClass *klass) = NULL;
74 * mono_class_from_typeref:
76 * @type_token: a TypeRef token
78 * Creates the MonoClass* structure representing the type defined by
79 * the typeref token valid inside @image.
80 * Returns: the MonoClass* representing the typeref token, NULL ifcould
84 mono_class_from_typeref (MonoImage *image, guint32 type_token)
86 guint32 cols [MONO_TYPEREF_SIZE];
87 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
89 const char *name, *nspace;
93 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
95 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
96 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
98 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
99 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
100 case MONO_RESOLTION_SCOPE_MODULE:
102 g_error ("null ResolutionScope not yet handled");
103 /* a typedef in disguise */
104 return mono_class_from_name (image, nspace, name);
105 case MONO_RESOLTION_SCOPE_MODULEREF:
106 module = mono_image_load_module (image, idx);
108 return mono_class_from_name (module, nspace, name);
110 char *msg = g_strdup_printf ("%s%s%s", nspace, nspace [0] ? "." : "", name);
113 human_name = mono_stringify_assembly_name (&image->assembly->aname);
114 mono_loader_set_error_type_load (msg, human_name);
120 case MONO_RESOLTION_SCOPE_TYPEREF: {
121 MonoClass *enclosing = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | idx);
127 if (enclosing->nested_classes_inited && enclosing->ext) {
128 /* Micro-optimization: don't scan the metadata tables if enclosing is already inited */
129 for (tmp = enclosing->ext->nested_classes; tmp; tmp = tmp->next) {
131 if (strcmp (res->name, name) == 0)
135 /* Don't call mono_class_init as we might've been called by it recursively */
136 int i = mono_metadata_nesting_typedef (enclosing->image, enclosing->type_token, 1);
138 guint32 class_nested = mono_metadata_decode_row_col (&enclosing->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, MONO_NESTED_CLASS_NESTED);
139 guint32 string_offset = mono_metadata_decode_row_col (&enclosing->image->tables [MONO_TABLE_TYPEDEF], class_nested - 1, MONO_TYPEDEF_NAME);
140 const char *nname = mono_metadata_string_heap (enclosing->image, string_offset);
142 if (strcmp (nname, name) == 0)
143 return mono_class_create_from_typedef (enclosing->image, MONO_TOKEN_TYPE_DEF | class_nested);
145 i = mono_metadata_nesting_typedef (enclosing->image, enclosing->type_token, i + 1);
148 g_warning ("TypeRef ResolutionScope not yet handled (%d) for %s.%s in image %s", idx, nspace, name, image->name);
151 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
155 if (!image->references || !image->references [idx - 1])
156 mono_assembly_load_reference (image, idx - 1);
157 g_assert (image->references [idx - 1]);
159 /* If the assembly did not load, register this as a type load exception */
160 if (image->references [idx - 1] == REFERENCE_MISSING){
161 MonoAssemblyName aname;
164 mono_assembly_get_assemblyref (image, idx - 1, &aname);
165 human_name = mono_stringify_assembly_name (&aname);
166 mono_loader_set_error_assembly_load (human_name, image->assembly->ref_only);
172 return mono_class_from_name (image->references [idx - 1]->image, nspace, name);
177 mono_image_memdup (MonoImage *image, void *data, guint size)
179 void *res = mono_image_alloc (image, size);
180 memcpy (res, data, size);
184 /* Copy everything mono_metadata_free_array free. */
186 mono_dup_array_type (MonoImage *image, MonoArrayType *a)
189 a = mono_image_memdup (image, a, sizeof (MonoArrayType));
191 a->sizes = mono_image_memdup (image, a->sizes, a->numsizes * sizeof (int));
193 a->lobounds = mono_image_memdup (image, a->lobounds, a->numlobounds * sizeof (int));
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 (MonoImage *image, MonoMethodSignature *sig)
210 sig = mono_metadata_signature_dup_full (image, sig);
212 sig->ret = mono_metadata_type_dup (image, sig->ret);
213 for (i = 0; i < sig->param_count; ++i)
214 sig->params [i] = mono_metadata_type_dup (image, 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 if (!mono_generic_param_info (type->data.generic_param))
304 g_string_append_printf (str, "%s%d", type->type == MONO_TYPE_VAR ? "!" : "!!", type->data.generic_param->num);
306 g_string_append (str, mono_generic_param_info (type->data.generic_param)->name);
308 mono_type_name_check_byref (type, str);
312 klass = mono_class_from_mono_type (type);
313 if (klass->nested_in) {
314 mono_type_get_name_recurse (
315 &klass->nested_in->byval_arg, str, TRUE, format);
316 if (format == MONO_TYPE_NAME_FORMAT_IL)
317 g_string_append_c (str, '.');
319 g_string_append_c (str, '+');
320 } else if (*klass->name_space) {
321 g_string_append (str, klass->name_space);
322 g_string_append_c (str, '.');
324 if (format == MONO_TYPE_NAME_FORMAT_IL) {
325 char *s = strchr (klass->name, '`');
326 int len = s ? s - klass->name : strlen (klass->name);
328 g_string_append_len (str, klass->name, len);
330 g_string_append (str, klass->name);
333 if (klass->generic_class) {
334 MonoGenericClass *gclass = klass->generic_class;
335 MonoGenericInst *inst = gclass->context.class_inst;
336 MonoTypeNameFormat nested_format;
339 nested_format = format == MONO_TYPE_NAME_FORMAT_FULL_NAME ?
340 MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED : format;
342 if (format == MONO_TYPE_NAME_FORMAT_IL)
343 g_string_append_c (str, '<');
345 g_string_append_c (str, '[');
346 for (i = 0; i < inst->type_argc; i++) {
347 MonoType *t = inst->type_argv [i];
350 g_string_append_c (str, ',');
351 if ((nested_format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
352 (t->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
353 g_string_append_c (str, '[');
354 mono_type_get_name_recurse (inst->type_argv [i], str, FALSE, nested_format);
355 if ((nested_format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
356 (t->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
357 g_string_append_c (str, ']');
359 if (format == MONO_TYPE_NAME_FORMAT_IL)
360 g_string_append_c (str, '>');
362 g_string_append_c (str, ']');
363 } else if (klass->generic_container &&
364 (format != MONO_TYPE_NAME_FORMAT_FULL_NAME) &&
365 (format != MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)) {
368 if (format == MONO_TYPE_NAME_FORMAT_IL)
369 g_string_append_c (str, '<');
371 g_string_append_c (str, '[');
372 for (i = 0; i < klass->generic_container->type_argc; i++) {
374 g_string_append_c (str, ',');
375 g_string_append (str, mono_generic_container_get_param_info (klass->generic_container, i)->name);
377 if (format == MONO_TYPE_NAME_FORMAT_IL)
378 g_string_append_c (str, '>');
380 g_string_append_c (str, ']');
383 mono_type_name_check_byref (type, str);
385 if ((format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
386 (type->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
387 _mono_type_get_assembly_name (klass, str);
393 * mono_type_get_name_full:
395 * @format: the format for the return string.
398 * Returns: the string representation in a number of formats:
400 * if format is MONO_TYPE_NAME_FORMAT_REFLECTION, the return string is
401 * returned in the formatrequired by System.Reflection, this is the
402 * inverse of mono_reflection_parse_type ().
404 * if format is MONO_TYPE_NAME_FORMAT_IL, it returns a syntax that can
405 * be used by the IL assembler.
407 * if format is MONO_TYPE_NAME_FORMAT_FULL_NAME
409 * if format is MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED
412 mono_type_get_name_full (MonoType *type, MonoTypeNameFormat format)
416 result = g_string_new ("");
418 mono_type_get_name_recurse (type, result, FALSE, format);
420 return g_string_free (result, FALSE);
424 * mono_type_get_full_name:
427 * Returns: the string representation for type as required by System.Reflection.
428 * The inverse of mono_reflection_parse_type ().
431 mono_type_get_full_name (MonoClass *class)
433 return mono_type_get_name_full (mono_class_get_type (class), MONO_TYPE_NAME_FORMAT_REFLECTION);
437 * mono_type_get_name:
440 * Returns: the string representation for type as it would be represented in IL code.
443 mono_type_get_name (MonoType *type)
445 return mono_type_get_name_full (type, MONO_TYPE_NAME_FORMAT_IL);
449 * mono_type_get_underlying_type:
452 * Returns: the MonoType for the underlying integer type if @type
453 * is an enum and byref is false, otherwise the type itself.
456 mono_type_get_underlying_type (MonoType *type)
458 if (type->type == MONO_TYPE_VALUETYPE && type->data.klass->enumtype && !type->byref)
459 return mono_class_enum_basetype (type->data.klass);
460 if (type->type == MONO_TYPE_GENERICINST && type->data.generic_class->container_class->enumtype && !type->byref)
461 return mono_class_enum_basetype (type->data.generic_class->container_class);
466 * mono_class_is_open_constructed_type:
469 * Returns TRUE if type represents a generics open constructed type
470 * (not all the type parameters required for the instantiation have
474 mono_class_is_open_constructed_type (MonoType *t)
480 case MONO_TYPE_SZARRAY:
481 return mono_class_is_open_constructed_type (&t->data.klass->byval_arg);
482 case MONO_TYPE_ARRAY:
483 return mono_class_is_open_constructed_type (&t->data.array->eklass->byval_arg);
485 return mono_class_is_open_constructed_type (t->data.type);
486 case MONO_TYPE_GENERICINST:
487 return t->data.generic_class->context.class_inst->is_open;
494 inflate_generic_type (MonoImage *image, MonoType *type, MonoGenericContext *context)
496 switch (type->type) {
497 case MONO_TYPE_MVAR: {
499 int num = mono_type_get_generic_param_num (type);
500 MonoGenericInst *inst = context->method_inst;
501 if (!inst || !inst->type_argv)
503 if (num >= inst->type_argc) {
504 MonoGenericParamInfo *info = mono_generic_param_info (type->data.generic_param);
505 g_error ("MVAR %d (%s) cannot be expanded in this context with %d instantiations",
506 num, info ? info->name : "", inst->type_argc);
510 * Note that the VAR/MVAR cases are different from the rest. The other cases duplicate @type,
511 * while the VAR/MVAR duplicates a type from the context. So, we need to ensure that the
512 * ->byref and ->attrs from @type are propagated to the returned type.
514 nt = mono_metadata_type_dup (image, inst->type_argv [num]);
515 nt->byref = type->byref;
516 nt->attrs = type->attrs;
519 case MONO_TYPE_VAR: {
521 int num = mono_type_get_generic_param_num (type);
522 MonoGenericInst *inst = context->class_inst;
525 if (num >= inst->type_argc) {
526 MonoGenericParamInfo *info = mono_generic_param_info (type->data.generic_param);
527 g_error ("VAR %d (%s) cannot be expanded in this context with %d instantiations",
528 num, info ? info->name : "", inst->type_argc);
530 nt = mono_metadata_type_dup (image, inst->type_argv [num]);
531 nt->byref = type->byref;
532 nt->attrs = type->attrs;
535 case MONO_TYPE_SZARRAY: {
536 MonoClass *eclass = type->data.klass;
537 MonoType *nt, *inflated = inflate_generic_type (NULL, &eclass->byval_arg, context);
540 nt = mono_metadata_type_dup (image, type);
541 nt->data.klass = mono_class_from_mono_type (inflated);
542 mono_metadata_free_type (inflated);
545 case MONO_TYPE_ARRAY: {
546 MonoClass *eclass = type->data.array->eklass;
547 MonoType *nt, *inflated = inflate_generic_type (NULL, &eclass->byval_arg, context);
550 nt = mono_metadata_type_dup (image, type);
551 nt->data.array = g_memdup (nt->data.array, sizeof (MonoArrayType));
552 nt->data.array->eklass = mono_class_from_mono_type (inflated);
553 mono_metadata_free_type (inflated);
556 case MONO_TYPE_GENERICINST: {
557 MonoGenericClass *gclass = type->data.generic_class;
558 MonoGenericInst *inst;
560 if (!gclass->context.class_inst->is_open)
563 inst = mono_metadata_inflate_generic_inst (gclass->context.class_inst, context);
564 if (inst != gclass->context.class_inst)
565 gclass = mono_metadata_lookup_generic_class (gclass->container_class, inst, gclass->is_dynamic);
567 if (gclass == type->data.generic_class)
570 nt = mono_metadata_type_dup (image, type);
571 nt->data.generic_class = gclass;
574 case MONO_TYPE_CLASS:
575 case MONO_TYPE_VALUETYPE: {
576 MonoClass *klass = type->data.klass;
577 MonoGenericContainer *container = klass->generic_container;
578 MonoGenericInst *inst;
579 MonoGenericClass *gclass = NULL;
585 /* We can't use context->class_inst directly, since it can have more elements */
586 inst = mono_metadata_inflate_generic_inst (container->context.class_inst, context);
587 if (inst == container->context.class_inst)
590 gclass = mono_metadata_lookup_generic_class (klass, inst, klass->image->dynamic);
592 nt = mono_metadata_type_dup (image, type);
593 nt->type = MONO_TYPE_GENERICINST;
594 nt->data.generic_class = gclass;
604 mono_generic_class_get_context (MonoGenericClass *gclass)
606 return &gclass->context;
610 mono_class_get_context (MonoClass *class)
612 return class->generic_class ? mono_generic_class_get_context (class->generic_class) : NULL;
616 * mono_class_get_generic_container:
618 * Return the generic container of KLASS which should be a generic type definition.
620 MonoGenericContainer*
621 mono_class_get_generic_container (MonoClass *klass)
623 g_assert (klass->is_generic);
625 return klass->generic_container;
629 * mono_class_get_generic_class:
631 * Return the MonoGenericClass of KLASS, which should be a generic instance.
634 mono_class_get_generic_class (MonoClass *klass)
636 g_assert (klass->is_inflated);
638 return klass->generic_class;
642 * mono_class_inflate_generic_type_with_mempool:
643 * @mempool: a mempool
645 * @context: a generics context
647 * The same as mono_class_inflate_generic_type, but allocates the MonoType
648 * from mempool if it is non-NULL. If it is NULL, the MonoType is
649 * allocated on the heap and is owned by the caller.
650 * The returned type can potentially be the same as TYPE, so it should not be
651 * modified by the caller, and it should be freed using mono_metadata_free_type ().
654 mono_class_inflate_generic_type_with_mempool (MonoImage *image, MonoType *type, MonoGenericContext *context)
656 MonoType *inflated = NULL;
659 inflated = inflate_generic_type (image, type, context);
662 MonoType *shared = mono_metadata_get_shared_type (type);
667 return mono_metadata_type_dup (image, type);
671 mono_stats.inflated_type_count++;
676 * mono_class_inflate_generic_type:
678 * @context: a generics context
680 * If @type is a generic type and @context is not NULL, instantiate it using the
681 * generics context @context.
683 * Returns: the instantiated type or a copy of @type. The returned MonoType is allocated
684 * on the heap and is owned by the caller.
687 mono_class_inflate_generic_type (MonoType *type, MonoGenericContext *context)
689 return mono_class_inflate_generic_type_with_mempool (NULL, type, context);
693 * mono_class_inflate_generic_type_no_copy:
695 * Same as inflate_generic_type_with_mempool, but return TYPE if no inflation
699 mono_class_inflate_generic_type_no_copy (MonoImage *image, MonoType *type, MonoGenericContext *context)
701 MonoType *inflated = NULL;
704 inflated = inflate_generic_type (image, type, context);
709 mono_stats.inflated_type_count++;
714 * mono_class_inflate_generic_class:
716 * Inflate the class GKLASS with CONTEXT.
719 mono_class_inflate_generic_class (MonoClass *gklass, MonoGenericContext *context)
724 inflated = mono_class_inflate_generic_type (&gklass->byval_arg, context);
726 res = mono_class_from_mono_type (inflated);
727 mono_metadata_free_type (inflated);
732 static MonoGenericContext
733 inflate_generic_context (MonoGenericContext *context, MonoGenericContext *inflate_with)
735 MonoGenericInst *class_inst = NULL;
736 MonoGenericInst *method_inst = NULL;
737 MonoGenericContext res;
739 if (context->class_inst)
740 class_inst = mono_metadata_inflate_generic_inst (context->class_inst, inflate_with);
742 if (context->method_inst)
743 method_inst = mono_metadata_inflate_generic_inst (context->method_inst, inflate_with);
745 res.class_inst = class_inst;
746 res.method_inst = method_inst;
752 * mono_class_inflate_generic_method:
753 * @method: a generic method
754 * @context: a generics context
756 * Instantiate the generic method @method using the generics context @context.
758 * Returns: the new instantiated method
761 mono_class_inflate_generic_method (MonoMethod *method, MonoGenericContext *context)
763 return mono_class_inflate_generic_method_full (method, NULL, context);
767 * mono_class_inflate_generic_method_full:
769 * Instantiate method @method with the generic context @context.
770 * BEWARE: All non-trivial fields are invalid, including klass, signature, and header.
771 * Use mono_method_signature () and mono_method_get_header () to get the correct values.
774 mono_class_inflate_generic_method_full (MonoMethod *method, MonoClass *klass_hint, MonoGenericContext *context)
777 MonoMethodInflated *iresult, *cached;
778 MonoMethodSignature *sig;
779 MonoGenericContext tmp_context;
780 gboolean is_mb_open = FALSE;
782 /* The `method' has already been instantiated before => we need to peel out the instantiation and create a new context */
783 while (method->is_inflated) {
784 MonoGenericContext *method_context = mono_method_get_context (method);
785 MonoMethodInflated *imethod = (MonoMethodInflated *) method;
787 tmp_context = inflate_generic_context (method_context, context);
788 context = &tmp_context;
790 if (mono_metadata_generic_context_equal (method_context, context))
793 method = imethod->declaring;
796 if (!method->is_generic && !method->klass->generic_container)
800 * The reason for this hack is to fix the behavior of inflating generic methods that come from a MethodBuilder.
801 * What happens is that instantiating a generic MethodBuilder with its own arguments should create a diferent object.
802 * This is opposite to the way non-SRE MethodInfos behave.
804 * This happens, for example, when we want to emit a recursive generic method. Given the following C# code:
806 * void Example<T> () {
810 * In Example, the method token must be encoded as: "void Example<!!0>()"
812 * The reference to the first generic argument, "!!0", must be explicit otherwise it won't be inflated
813 * properly. To get that we need to inflate the MethodBuilder with its own arguments.
815 * On the other hand, inflating a non-SRE generic method with its own arguments should
816 * return itself. For example:
818 * MethodInfo m = ... //m is a generic method definition
819 * MethodInfo res = m.MakeGenericMethod (m.GetGenericArguments ());
822 * To allow such scenarios we must allow inflation of MethodBuilder to happen in a diferent way than
823 * what happens with regular methods.
825 * There is one last touch to this madness, once a TypeBuilder is finished, IOW CreateType() is called,
826 * everything should behave like a regular type or method.
829 is_mb_open = method->is_generic &&
830 method->klass->image->dynamic && !method->klass->wastypebuilder && /* that is a MethodBuilder from an unfinished TypeBuilder */
831 context->method_inst == mono_method_get_generic_container (method)->context.method_inst; /* and it's been instantiated with its own arguments. */
833 iresult = g_new0 (MonoMethodInflated, 1);
834 iresult->context = *context;
835 iresult->declaring = method;
836 iresult->method.method.is_mb_open = is_mb_open;
838 if (!context->method_inst && method->is_generic)
839 iresult->context.method_inst = mono_method_get_generic_container (method)->context.method_inst;
841 if (!context->class_inst) {
842 g_assert (!iresult->declaring->klass->generic_class);
843 if (iresult->declaring->klass->generic_container)
844 iresult->context.class_inst = iresult->declaring->klass->generic_container->context.class_inst;
845 else if (iresult->declaring->klass->generic_class)
846 iresult->context.class_inst = iresult->declaring->klass->generic_class->context.class_inst;
850 cached = mono_method_inflated_lookup (iresult, FALSE);
852 mono_loader_unlock ();
854 return (MonoMethod*)cached;
857 mono_stats.inflated_method_count++;
859 inflated_methods_size += sizeof (MonoMethodInflated);
861 sig = mono_method_signature (method);
863 memcpy (&iresult->method.pinvoke, method, sizeof (MonoMethodPInvoke));
865 memcpy (&iresult->method.normal, method, sizeof (MonoMethodNormal));
866 iresult->method.normal.header = NULL;
869 result = (MonoMethod *) iresult;
870 result->is_inflated = TRUE;
871 result->is_generic = FALSE;
872 result->signature = NULL;
873 result->is_mb_open = is_mb_open;
875 if (!context->method_inst) {
876 /* Set the generic_container of the result to the generic_container of method */
877 MonoGenericContainer *generic_container = mono_method_get_generic_container (method);
879 if (generic_container) {
880 result->is_generic = 1;
881 mono_method_set_generic_container (result, generic_container);
885 if (!klass_hint || !klass_hint->generic_class ||
886 klass_hint->generic_class->container_class != method->klass ||
887 klass_hint->generic_class->context.class_inst != context->class_inst)
890 if (method->klass->generic_container)
891 result->klass = klass_hint;
893 if (!result->klass) {
894 MonoType *inflated = inflate_generic_type (NULL, &method->klass->byval_arg, context);
895 result->klass = inflated ? mono_class_from_mono_type (inflated) : method->klass;
897 mono_metadata_free_type (inflated);
900 mono_method_inflated_lookup (iresult, TRUE);
901 mono_loader_unlock ();
906 * mono_get_inflated_method:
908 * Obsolete. We keep it around since it's mentioned in the public API.
911 mono_get_inflated_method (MonoMethod *method)
917 * mono_method_get_context_general:
919 * @uninflated: handle uninflated methods?
921 * Returns the generic context of a method or NULL if it doesn't have
922 * one. For an inflated method that's the context stored in the
923 * method. Otherwise it's in the method's generic container or in the
924 * generic container of the method's class.
927 mono_method_get_context_general (MonoMethod *method, gboolean uninflated)
929 if (method->is_inflated) {
930 MonoMethodInflated *imethod = (MonoMethodInflated *) method;
931 return &imethod->context;
935 if (method->is_generic)
936 return &(mono_method_get_generic_container (method)->context);
937 if (method->klass->generic_container)
938 return &method->klass->generic_container->context;
943 * mono_method_get_context:
946 * Returns the generic context for method if it's inflated, otherwise
950 mono_method_get_context (MonoMethod *method)
952 return mono_method_get_context_general (method, FALSE);
956 * mono_method_get_generic_container:
958 * Returns the generic container of METHOD, which should be a generic method definition.
959 * Returns NULL if METHOD is not a generic method definition.
960 * LOCKING: Acquires the loader lock.
962 MonoGenericContainer*
963 mono_method_get_generic_container (MonoMethod *method)
965 MonoGenericContainer *container;
967 if (!method->is_generic)
970 container = mono_image_property_lookup (method->klass->image, method, MONO_METHOD_PROP_GENERIC_CONTAINER);
971 g_assert (container);
977 * mono_method_set_generic_container:
979 * Sets the generic container of METHOD to CONTAINER.
980 * LOCKING: Acquires the loader lock.
983 mono_method_set_generic_container (MonoMethod *method, MonoGenericContainer* container)
985 g_assert (method->is_generic);
987 mono_image_property_insert (method->klass->image, method, MONO_METHOD_PROP_GENERIC_CONTAINER, container);
991 * mono_class_find_enum_basetype:
992 * @class: The enum class
994 * Determine the basetype of an enum by iterating through its fields. We do this
995 * in a separate function since it is cheaper than calling mono_class_setup_fields.
998 mono_class_find_enum_basetype (MonoClass *class)
1000 MonoGenericContainer *container = NULL;
1001 MonoImage *m = class->image;
1002 const int top = class->field.count;
1005 g_assert (class->enumtype);
1007 if (class->generic_container)
1008 container = class->generic_container;
1009 else if (class->generic_class) {
1010 MonoClass *gklass = class->generic_class->container_class;
1012 container = gklass->generic_container;
1013 g_assert (container);
1017 * Fetch all the field information.
1019 for (i = 0; i < top; i++){
1021 guint32 cols [MONO_FIELD_SIZE];
1022 int idx = class->field.first + i;
1025 /* class->field.first and idx points into the fieldptr table */
1026 mono_metadata_decode_table_row (m, MONO_TABLE_FIELD, idx, cols, MONO_FIELD_SIZE);
1028 if (cols [MONO_FIELD_FLAGS] & FIELD_ATTRIBUTE_STATIC) //no need to decode static fields
1031 if (!mono_verifier_verify_field_signature (class->image, cols [MONO_FIELD_SIGNATURE], NULL))
1034 sig = mono_metadata_blob_heap (m, cols [MONO_FIELD_SIGNATURE]);
1035 mono_metadata_decode_value (sig, &sig);
1036 /* FIELD signature == 0x06 */
1040 ftype = mono_metadata_parse_type_full (m, container, MONO_PARSE_FIELD, cols [MONO_FIELD_FLAGS], sig + 1, &sig);
1043 if (class->generic_class) {
1044 //FIXME do we leak here?
1045 ftype = mono_class_inflate_generic_type (ftype, mono_class_get_context (class));
1046 ftype->attrs = cols [MONO_FIELD_FLAGS];
1056 * mono_class_setup_fields:
1057 * @class: The class to initialize
1059 * Initializes the class->fields.
1060 * LOCKING: Assumes the loader lock is held.
1063 mono_class_setup_fields (MonoClass *class)
1065 MonoImage *m = class->image;
1066 int top = class->field.count;
1067 guint32 layout = class->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
1068 int i, blittable = TRUE;
1069 guint32 real_size = 0;
1070 guint32 packing_size = 0;
1071 gboolean explicit_size;
1072 MonoClassField *field;
1073 MonoGenericContainer *container = NULL;
1074 MonoClass *gklass = NULL;
1076 if (class->size_inited)
1079 if (class->generic_class && class->generic_class->container_class->image->dynamic && !class->generic_class->container_class->wastypebuilder) {
1081 * This happens when a generic instance of an unfinished generic typebuilder
1082 * is used as an element type for creating an array type. We can't initialize
1083 * the fields of this class using the fields of gklass, since gklass is not
1084 * finished yet, fields could be added to it later.
1089 if (class->generic_class) {
1090 MonoClass *gklass = class->generic_class->container_class;
1091 mono_class_setup_fields (gklass);
1092 top = gklass->field.count;
1093 class->field.first = gklass->field.first;
1094 class->field.count = gklass->field.count;
1097 class->instance_size = 0;
1099 class->sizes.class_size = 0;
1101 if (class->parent) {
1102 /* For generic instances, class->parent might not have been initialized */
1103 mono_class_init (class->parent);
1104 if (!class->parent->size_inited)
1105 mono_class_setup_fields (class->parent);
1106 class->instance_size += class->parent->instance_size;
1107 class->min_align = class->parent->min_align;
1108 /* we use |= since it may have been set already */
1109 class->has_references |= class->parent->has_references;
1110 blittable = class->parent->blittable;
1112 class->instance_size = sizeof (MonoObject);
1113 class->min_align = 1;
1116 /* We can't really enable 16 bytes alignment until the GC supports it.
1117 The whole layout/instance size code must be reviewed because we do alignment calculation in terms of the
1118 boxed instance, which leads to unexplainable holes at the beginning of an object embedding a simd type.
1119 Bug #506144 is an example of this issue.
1121 if (class->simd_type)
1122 class->min_align = 16;
1124 /* Get the real size */
1125 explicit_size = mono_metadata_packing_from_typedef (class->image, class->type_token, &packing_size, &real_size);
1127 if (explicit_size) {
1128 g_assert ((packing_size & 0xfffffff0) == 0);
1129 class->packing_size = packing_size;
1130 real_size += class->instance_size;
1134 if (explicit_size && real_size) {
1135 class->instance_size = MAX (real_size, class->instance_size);
1137 class->size_inited = 1;
1138 class->blittable = blittable;
1142 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT)
1145 /* Prevent infinite loops if the class references itself */
1146 class->size_inited = 1;
1148 class->fields = mono_image_alloc0 (class->image, sizeof (MonoClassField) * top);
1150 if (class->generic_container) {
1151 container = class->generic_container;
1152 } else if (class->generic_class) {
1153 gklass = class->generic_class->container_class;
1154 container = gklass->generic_container;
1155 g_assert (container);
1157 mono_class_setup_fields (gklass);
1159 if (gklass->exception_type) {
1160 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1166 * Fetch all the field information.
1168 for (i = 0; i < top; i++){
1169 int idx = class->field.first + i;
1170 field = &class->fields [i];
1172 field->parent = class;
1174 if (class->generic_class) {
1175 MonoClassField *gfield = &gklass->fields [i];
1177 field->name = mono_field_get_name (gfield);
1178 /*This memory must come from the image mempool as we don't have a chance to free it.*/
1179 field->type = mono_class_inflate_generic_type_no_copy (class->image, gfield->type, mono_class_get_context (class));
1180 g_assert (field->type->attrs == gfield->type->attrs);
1181 if (mono_field_is_deleted (field))
1183 field->offset = gfield->offset;
1186 guint32 cols [MONO_FIELD_SIZE];
1188 /* class->field.first and idx points into the fieldptr table */
1189 mono_metadata_decode_table_row (m, MONO_TABLE_FIELD, idx, cols, MONO_FIELD_SIZE);
1190 /* The name is needed for fieldrefs */
1191 field->name = mono_metadata_string_heap (m, cols [MONO_FIELD_NAME]);
1192 if (!mono_verifier_verify_field_signature (class->image, cols [MONO_FIELD_SIGNATURE], NULL)) {
1193 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1196 sig = mono_metadata_blob_heap (m, cols [MONO_FIELD_SIGNATURE]);
1197 mono_metadata_decode_value (sig, &sig);
1198 /* FIELD signature == 0x06 */
1199 g_assert (*sig == 0x06);
1200 field->type = mono_metadata_parse_type_full (m, container, MONO_PARSE_FIELD, cols [MONO_FIELD_FLAGS], sig + 1, &sig);
1202 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1205 if (mono_field_is_deleted (field))
1207 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
1209 mono_metadata_field_info (m, idx, &offset, NULL, NULL);
1210 field->offset = offset;
1211 if (field->offset == (guint32)-1 && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
1212 g_warning ("%s not initialized correctly (missing field layout info for %s)",
1213 class->name, mono_field_get_name (field));
1217 /* Only do these checks if we still think this type is blittable */
1218 if (blittable && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
1219 if (field->type->byref || MONO_TYPE_IS_REFERENCE (field->type)) {
1222 MonoClass *field_class = mono_class_from_mono_type (field->type);
1224 mono_class_setup_fields (field_class);
1225 if (!field_class || !field_class->blittable)
1230 if (class->enumtype && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
1231 class->cast_class = class->element_class = mono_class_from_mono_type (field->type);
1232 blittable = class->element_class->blittable;
1235 /* The def_value of fields is compute lazily during vtable creation */
1238 if (class == mono_defaults.string_class)
1241 class->blittable = blittable;
1243 if (class->enumtype && !mono_class_enum_basetype (class)) {
1244 if (!((strcmp (class->name, "Enum") == 0) && (strcmp (class->name_space, "System") == 0)))
1247 if (explicit_size && real_size) {
1248 class->instance_size = MAX (real_size, class->instance_size);
1251 if (class->exception_type)
1253 mono_class_layout_fields (class);
1257 * mono_class_setup_fields_locking:
1258 * @class: The class to initialize
1260 * Initializes the class->fields array of fields.
1261 * Aquires the loader lock.
1264 mono_class_setup_fields_locking (MonoClass *class)
1266 mono_loader_lock ();
1267 mono_class_setup_fields (class);
1268 mono_loader_unlock ();
1272 * mono_class_has_references:
1274 * Returns whenever @klass->has_references is set, initializing it if needed.
1275 * Aquires the loader lock.
1278 mono_class_has_references (MonoClass *klass)
1280 if (klass->init_pending) {
1281 /* Be conservative */
1284 mono_class_init (klass);
1286 return klass->has_references;
1290 /* useful until we keep track of gc-references in corlib etc. */
1292 #define IS_GC_REFERENCE(t) FALSE
1294 #define IS_GC_REFERENCE(t) ((t)->type == MONO_TYPE_U && class->image == mono_defaults.corlib)
1298 * mono_type_get_basic_type_from_generic:
1301 * Returns a closed type corresponding to the possibly open type
1305 mono_type_get_basic_type_from_generic (MonoType *type)
1307 /* When we do generic sharing we let type variables stand for reference types. */
1308 if (!type->byref && (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR))
1309 return &mono_defaults.object_class->byval_arg;
1314 * mono_class_layout_fields:
1317 * Compute the placement of fields inside an object or struct, according to
1318 * the layout rules and set the following fields in @class:
1319 * - has_references (if the class contains instance references firled or structs that contain references)
1320 * - has_static_refs (same, but for static fields)
1321 * - instance_size (size of the object in memory)
1322 * - class_size (size needed for the static fields)
1323 * - size_inited (flag set when the instance_size is set)
1325 * LOCKING: this is supposed to be called with the loader lock held.
1328 mono_class_layout_fields (MonoClass *class)
1331 const int top = class->field.count;
1332 guint32 layout = class->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
1333 guint32 pass, passes, real_size;
1334 gboolean gc_aware_layout = FALSE;
1335 MonoClassField *field;
1338 * When we do generic sharing we need to have layout
1339 * information for open generic classes (either with a generic
1340 * context containing type variables or with a generic
1341 * container), so we don't return in that case anymore.
1345 * Enable GC aware auto layout: in this mode, reference
1346 * fields are grouped together inside objects, increasing collector
1348 * Requires that all classes whose layout is known to native code be annotated
1349 * with [StructLayout (LayoutKind.Sequential)]
1350 * Value types have gc_aware_layout disabled by default, as per
1351 * what the default is for other runtimes.
1353 /* corlib is missing [StructLayout] directives in many places */
1354 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1355 if (class->image != mono_defaults.corlib &&
1356 class->byval_arg.type != MONO_TYPE_VALUETYPE)
1357 gc_aware_layout = TRUE;
1358 /* from System.dll, used in metadata/process.h */
1359 if (strcmp (class->name, "ProcessStartInfo") == 0)
1360 gc_aware_layout = FALSE;
1363 /* Compute klass->has_references */
1365 * Process non-static fields first, since static fields might recursively
1366 * refer to the class itself.
1368 for (i = 0; i < top; i++) {
1371 field = &class->fields [i];
1373 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
1374 ftype = mono_type_get_underlying_type (field->type);
1375 ftype = mono_type_get_basic_type_from_generic (ftype);
1376 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1377 class->has_references = TRUE;
1381 for (i = 0; i < top; i++) {
1384 field = &class->fields [i];
1386 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC) {
1387 ftype = mono_type_get_underlying_type (field->type);
1388 ftype = mono_type_get_basic_type_from_generic (ftype);
1389 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1390 class->has_static_refs = TRUE;
1394 for (i = 0; i < top; i++) {
1397 field = &class->fields [i];
1399 ftype = mono_type_get_underlying_type (field->type);
1400 ftype = mono_type_get_basic_type_from_generic (ftype);
1401 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1402 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1403 class->has_static_refs = TRUE;
1405 class->has_references = TRUE;
1410 * Compute field layout and total size (not considering static fields)
1414 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
1415 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
1417 if (gc_aware_layout)
1422 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT)
1426 real_size = class->parent->instance_size;
1428 real_size = sizeof (MonoObject);
1430 for (pass = 0; pass < passes; ++pass) {
1431 for (i = 0; i < top; i++){
1436 field = &class->fields [i];
1438 if (mono_field_is_deleted (field))
1440 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1443 ftype = mono_type_get_underlying_type (field->type);
1444 ftype = mono_type_get_basic_type_from_generic (ftype);
1445 if (gc_aware_layout) {
1446 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1455 if ((top == 1) && (class->instance_size == sizeof (MonoObject)) &&
1456 (strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
1457 /* This field is a hack inserted by MCS to empty structures */
1461 size = mono_type_size (field->type, &align);
1463 /* FIXME (LAMESPEC): should we also change the min alignment according to pack? */
1464 align = class->packing_size ? MIN (class->packing_size, align): align;
1465 /* if the field has managed references, we need to force-align it
1468 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1469 align = MAX (align, sizeof (gpointer));
1471 class->min_align = MAX (align, class->min_align);
1472 field->offset = real_size;
1473 field->offset += align - 1;
1474 field->offset &= ~(align - 1);
1475 real_size = field->offset + size;
1478 class->instance_size = MAX (real_size, class->instance_size);
1480 if (class->instance_size & (class->min_align - 1)) {
1481 class->instance_size += class->min_align - 1;
1482 class->instance_size &= ~(class->min_align - 1);
1486 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
1488 for (i = 0; i < top; i++) {
1493 field = &class->fields [i];
1496 * There must be info about all the fields in a type if it
1497 * uses explicit layout.
1500 if (mono_field_is_deleted (field))
1502 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1505 size = mono_type_size (field->type, &align);
1506 class->min_align = MAX (align, class->min_align);
1509 * When we get here, field->offset is already set by the
1510 * loader (for either runtime fields or fields loaded from metadata).
1511 * The offset is from the start of the object: this works for both
1512 * classes and valuetypes.
1514 field->offset += sizeof (MonoObject);
1515 ftype = mono_type_get_underlying_type (field->type);
1516 ftype = mono_type_get_basic_type_from_generic (ftype);
1517 if (MONO_TYPE_IS_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1518 if (field->offset % sizeof (gpointer)) {
1519 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1526 real_size = MAX (real_size, size + field->offset);
1528 class->instance_size = MAX (real_size, class->instance_size);
1532 if (layout != TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
1534 * For small structs, set min_align to at least the struct size to improve
1535 * performance, and since the JIT memset/memcpy code assumes this and generates
1536 * unaligned accesses otherwise. See #78990 for a testcase.
1538 if (class->instance_size <= sizeof (MonoObject) + sizeof (gpointer))
1539 class->min_align = MAX (class->min_align, class->instance_size - sizeof (MonoObject));
1542 class->size_inited = 1;
1545 * Compute static field layout and size
1547 for (i = 0; i < top; i++){
1551 field = &class->fields [i];
1553 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC) || field->type->attrs & FIELD_ATTRIBUTE_LITERAL)
1555 if (mono_field_is_deleted (field))
1558 size = mono_type_size (field->type, &align);
1559 field->offset = class->sizes.class_size;
1560 field->offset += align - 1;
1561 field->offset &= ~(align - 1);
1562 class->sizes.class_size = field->offset + size;
1567 create_array_method (MonoClass *class, const char *name, MonoMethodSignature *sig)
1571 method = (MonoMethod *) mono_image_alloc0 (class->image, sizeof (MonoMethodPInvoke));
1572 method->klass = class;
1573 method->flags = METHOD_ATTRIBUTE_PUBLIC;
1574 method->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
1575 method->signature = sig;
1576 method->name = name;
1579 if (name [0] == '.') {
1580 method->flags |= METHOD_ATTRIBUTE_RT_SPECIAL_NAME | METHOD_ATTRIBUTE_SPECIAL_NAME;
1582 method->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
1588 * mono_class_setup_methods:
1591 * Initializes the 'methods' array in the klass.
1592 * Calling this method should be avoided if possible since it allocates a lot
1593 * of long-living MonoMethod structures.
1594 * Methods belonging to an interface are assigned a sequential slot starting
1598 mono_class_setup_methods (MonoClass *class)
1601 MonoMethod **methods;
1606 mono_loader_lock ();
1608 if (class->methods) {
1609 mono_loader_unlock ();
1613 if (class->generic_class) {
1614 MonoClass *gklass = class->generic_class->container_class;
1616 mono_class_init (gklass);
1617 mono_class_setup_methods (gklass);
1619 /* The + 1 makes this always non-NULL to pass the check in mono_class_setup_methods () */
1620 class->method.count = gklass->method.count;
1621 methods = g_new0 (MonoMethod *, class->method.count + 1);
1623 for (i = 0; i < class->method.count; i++) {
1624 methods [i] = mono_class_inflate_generic_method_full (
1625 gklass->methods [i], class, mono_class_get_context (class));
1627 } else if (class->rank) {
1628 MonoMethod *amethod;
1629 MonoMethodSignature *sig;
1630 int count_generic = 0, first_generic = 0;
1633 class->method.count = 3 + (class->rank > 1? 2: 1);
1635 mono_class_setup_interfaces (class);
1637 if (class->interface_count) {
1638 count_generic = generic_array_methods (class);
1639 first_generic = class->method.count;
1640 class->method.count += class->interface_count * count_generic;
1643 methods = mono_image_alloc0 (class->image, sizeof (MonoMethod*) * class->method.count);
1645 sig = mono_metadata_signature_alloc (class->image, class->rank);
1646 sig->ret = &mono_defaults.void_class->byval_arg;
1647 sig->pinvoke = TRUE;
1648 sig->hasthis = TRUE;
1649 for (i = 0; i < class->rank; ++i)
1650 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1652 amethod = create_array_method (class, ".ctor", sig);
1653 methods [method_num++] = amethod;
1654 if (class->rank > 1) {
1655 sig = mono_metadata_signature_alloc (class->image, class->rank * 2);
1656 sig->ret = &mono_defaults.void_class->byval_arg;
1657 sig->pinvoke = TRUE;
1658 sig->hasthis = TRUE;
1659 for (i = 0; i < class->rank * 2; ++i)
1660 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1662 amethod = create_array_method (class, ".ctor", sig);
1663 methods [method_num++] = amethod;
1665 /* element Get (idx11, [idx2, ...]) */
1666 sig = mono_metadata_signature_alloc (class->image, class->rank);
1667 sig->ret = &class->element_class->byval_arg;
1668 sig->pinvoke = TRUE;
1669 sig->hasthis = TRUE;
1670 for (i = 0; i < class->rank; ++i)
1671 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1672 amethod = create_array_method (class, "Get", sig);
1673 methods [method_num++] = amethod;
1674 /* element& Address (idx11, [idx2, ...]) */
1675 sig = mono_metadata_signature_alloc (class->image, class->rank);
1676 sig->ret = &class->element_class->this_arg;
1677 sig->pinvoke = TRUE;
1678 sig->hasthis = TRUE;
1679 for (i = 0; i < class->rank; ++i)
1680 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1681 amethod = create_array_method (class, "Address", sig);
1682 methods [method_num++] = amethod;
1683 /* void Set (idx11, [idx2, ...], element) */
1684 sig = mono_metadata_signature_alloc (class->image, class->rank + 1);
1685 sig->ret = &mono_defaults.void_class->byval_arg;
1686 sig->pinvoke = TRUE;
1687 sig->hasthis = TRUE;
1688 for (i = 0; i < class->rank; ++i)
1689 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1690 sig->params [i] = &class->element_class->byval_arg;
1691 amethod = create_array_method (class, "Set", sig);
1692 methods [method_num++] = amethod;
1694 for (i = 0; i < class->interface_count; i++)
1695 setup_generic_array_ifaces (class, class->interfaces [i], methods, first_generic + i * count_generic);
1697 methods = mono_image_alloc (class->image, sizeof (MonoMethod*) * class->method.count);
1698 for (i = 0; i < class->method.count; ++i) {
1699 int idx = mono_metadata_translate_token_index (class->image, MONO_TABLE_METHOD, class->method.first + i + 1);
1700 methods [i] = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | idx, class);
1704 if (MONO_CLASS_IS_INTERFACE (class))
1705 for (i = 0; i < class->method.count; ++i)
1706 methods [i]->slot = i;
1708 /* Needed because of the double-checking locking pattern */
1709 mono_memory_barrier ();
1711 class->methods = methods;
1713 if (mono_debugger_class_loaded_methods_func)
1714 mono_debugger_class_loaded_methods_func (class);
1716 mono_loader_unlock ();
1720 * mono_class_get_method_by_index:
1722 * Returns class->methods [index], initializing class->methods if neccesary.
1724 * LOCKING: Acquires the loader lock.
1727 mono_class_get_method_by_index (MonoClass *class, int index)
1729 /* Avoid calling setup_methods () if possible */
1730 if (class->generic_class && !class->methods) {
1731 MonoClass *gklass = class->generic_class->container_class;
1734 m = mono_class_inflate_generic_method_full (
1735 gklass->methods [index], class, mono_class_get_context (class));
1737 * If setup_methods () is called later for this class, no duplicates are created,
1738 * since inflate_generic_method guarantees that only one instance of a method
1739 * is created for each context.
1742 mono_class_setup_methods (class);
1743 g_assert (m == class->methods [index]);
1747 mono_class_setup_methods (class);
1748 g_assert (index >= 0 && index < class->method.count);
1749 return class->methods [index];
1754 * mono_class_get_inflated_method:
1756 * Given an inflated class CLASS and a method METHOD which should be a method of
1757 * CLASS's generic definition, return the inflated method corresponding to METHOD.
1760 mono_class_get_inflated_method (MonoClass *class, MonoMethod *method)
1762 MonoClass *gklass = class->generic_class->container_class;
1765 mono_class_setup_methods (gklass);
1766 for (i = 0; i < gklass->method.count; ++i) {
1767 if (gklass->methods [i] == method) {
1769 return class->methods [i];
1771 return mono_class_inflate_generic_method_full (gklass->methods [i], class, mono_class_get_context (class));
1779 * mono_class_get_vtable_entry:
1781 * Returns class->vtable [offset], computing it if neccesary.
1782 * LOCKING: Acquires the loader lock.
1785 mono_class_get_vtable_entry (MonoClass *class, int offset)
1789 if (class->rank == 1) {
1791 * szarrays do not overwrite any methods of Array, so we can avoid
1792 * initializing their vtables in some cases.
1794 mono_class_setup_vtable (class->parent);
1795 if (offset < class->parent->vtable_size)
1796 return class->parent->vtable [offset];
1799 if (class->generic_class) {
1800 MonoClass *gklass = class->generic_class->container_class;
1801 mono_class_setup_vtable (gklass);
1802 m = gklass->vtable [offset];
1804 m = mono_class_inflate_generic_method_full (m, class, mono_class_get_context (class));
1806 mono_class_setup_vtable (class);
1807 m = class->vtable [offset];
1814 * mono_class_get_vtable_size:
1816 * Return the vtable size for KLASS.
1819 mono_class_get_vtable_size (MonoClass *klass)
1821 mono_class_setup_vtable (klass);
1823 return klass->vtable_size;
1827 mono_class_setup_properties (MonoClass *class)
1829 guint startm, endm, i, j;
1830 guint32 cols [MONO_PROPERTY_SIZE];
1831 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1832 MonoProperty *properties;
1835 if (class->ext && class->ext->properties)
1838 mono_loader_lock ();
1840 if (class->ext && class->ext->properties) {
1841 mono_loader_unlock ();
1845 mono_class_alloc_ext (class);
1847 if (class->generic_class) {
1848 MonoClass *gklass = class->generic_class->container_class;
1850 mono_class_init (gklass);
1851 mono_class_setup_properties (gklass);
1853 class->ext->property = gklass->ext->property;
1855 properties = g_new0 (MonoProperty, class->ext->property.count + 1);
1857 for (i = 0; i < class->ext->property.count; i++) {
1858 MonoProperty *prop = &properties [i];
1860 *prop = gklass->ext->properties [i];
1863 prop->get = mono_class_inflate_generic_method_full (
1864 prop->get, class, mono_class_get_context (class));
1866 prop->set = mono_class_inflate_generic_method_full (
1867 prop->set, class, mono_class_get_context (class));
1869 prop->parent = class;
1872 class->ext->property.first = mono_metadata_properties_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1873 class->ext->property.count = last - class->ext->property.first;
1875 if (class->ext->property.count)
1876 mono_class_setup_methods (class);
1878 properties = mono_image_alloc0 (class->image, sizeof (MonoProperty) * class->ext->property.count);
1879 for (i = class->ext->property.first; i < last; ++i) {
1880 mono_metadata_decode_table_row (class->image, MONO_TABLE_PROPERTY, i, cols, MONO_PROPERTY_SIZE);
1881 properties [i - class->ext->property.first].parent = class;
1882 properties [i - class->ext->property.first].attrs = cols [MONO_PROPERTY_FLAGS];
1883 properties [i - class->ext->property.first].name = mono_metadata_string_heap (class->image, cols [MONO_PROPERTY_NAME]);
1885 startm = mono_metadata_methods_from_property (class->image, i, &endm);
1886 for (j = startm; j < endm; ++j) {
1889 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
1891 if (class->image->uncompressed_metadata)
1892 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
1893 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
1895 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
1897 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
1898 case METHOD_SEMANTIC_SETTER:
1899 properties [i - class->ext->property.first].set = method;
1901 case METHOD_SEMANTIC_GETTER:
1902 properties [i - class->ext->property.first].get = method;
1910 /*Flush any pending writes as we do double checked locking on class->properties */
1911 mono_memory_barrier ();
1913 /* Leave this assignment as the last op in the function */
1914 class->ext->properties = properties;
1916 mono_loader_unlock ();
1920 inflate_method_listz (MonoMethod **methods, MonoClass *class, MonoGenericContext *context)
1922 MonoMethod **om, **retval;
1925 for (om = methods, count = 0; *om; ++om, ++count)
1928 retval = g_new0 (MonoMethod*, count + 1);
1930 for (om = methods, count = 0; *om; ++om, ++count)
1931 retval [count] = mono_class_inflate_generic_method_full (*om, class, context);
1937 mono_class_setup_events (MonoClass *class)
1939 guint startm, endm, i, j;
1940 guint32 cols [MONO_EVENT_SIZE];
1941 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1945 if (class->ext && class->ext->events)
1948 mono_loader_lock ();
1950 if (class->ext && class->ext->events) {
1951 mono_loader_unlock ();
1955 mono_class_alloc_ext (class);
1957 if (class->generic_class) {
1958 MonoClass *gklass = class->generic_class->container_class;
1959 MonoGenericContext *context;
1961 mono_class_setup_events (gklass);
1962 class->ext->event = gklass->ext->event;
1964 class->ext->events = g_new0 (MonoEvent, class->ext->event.count);
1966 if (class->ext->event.count)
1967 context = mono_class_get_context (class);
1969 for (i = 0; i < class->ext->event.count; i++) {
1970 MonoEvent *event = &class->ext->events [i];
1971 MonoEvent *gevent = &gklass->ext->events [i];
1973 event->parent = class;
1974 event->name = gevent->name;
1975 event->add = gevent->add ? mono_class_inflate_generic_method_full (gevent->add, class, context) : NULL;
1976 event->remove = gevent->remove ? mono_class_inflate_generic_method_full (gevent->remove, class, context) : NULL;
1977 event->raise = gevent->raise ? mono_class_inflate_generic_method_full (gevent->raise, class, context) : NULL;
1978 event->other = gevent->other ? inflate_method_listz (gevent->other, class, context) : NULL;
1979 event->attrs = gevent->attrs;
1982 mono_loader_unlock ();
1986 class->ext->event.first = mono_metadata_events_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1987 class->ext->event.count = last - class->ext->event.first;
1989 if (class->ext->event.count)
1990 mono_class_setup_methods (class);
1992 events = mono_image_alloc0 (class->image, sizeof (MonoEvent) * class->ext->event.count);
1993 for (i = class->ext->event.first; i < last; ++i) {
1994 MonoEvent *event = &events [i - class->ext->event.first];
1996 mono_metadata_decode_table_row (class->image, MONO_TABLE_EVENT, i, cols, MONO_EVENT_SIZE);
1997 event->parent = class;
1998 event->attrs = cols [MONO_EVENT_FLAGS];
1999 event->name = mono_metadata_string_heap (class->image, cols [MONO_EVENT_NAME]);
2001 startm = mono_metadata_methods_from_event (class->image, i, &endm);
2002 for (j = startm; j < endm; ++j) {
2005 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
2007 if (class->image->uncompressed_metadata)
2008 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
2009 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
2011 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
2013 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
2014 case METHOD_SEMANTIC_ADD_ON:
2015 event->add = method;
2017 case METHOD_SEMANTIC_REMOVE_ON:
2018 event->remove = method;
2020 case METHOD_SEMANTIC_FIRE:
2021 event->raise = method;
2023 case METHOD_SEMANTIC_OTHER: {
2026 if (event->other == NULL) {
2027 event->other = g_new0 (MonoMethod*, 2);
2029 while (event->other [n])
2031 event->other = g_realloc (event->other, (n + 2) * sizeof (MonoMethod*));
2033 event->other [n] = method;
2034 /* NULL terminated */
2035 event->other [n + 1] = NULL;
2043 /*Flush any pending writes as we do double checked locking on class->properties */
2044 mono_memory_barrier ();
2046 /* Leave this assignment as the last op in the function */
2047 class->ext->events = events;
2049 mono_loader_unlock ();
2053 * Global pool of interface IDs, represented as a bitset.
2054 * LOCKING: this is supposed to be accessed with the loader lock held.
2056 static MonoBitSet *global_interface_bitset = NULL;
2059 * mono_unload_interface_ids:
2060 * @bitset: bit set of interface IDs
2062 * When an image is unloaded, the interface IDs associated with
2063 * the image are put back in the global pool of IDs so the numbers
2067 mono_unload_interface_ids (MonoBitSet *bitset)
2069 mono_loader_lock ();
2070 mono_bitset_sub (global_interface_bitset, bitset);
2071 mono_loader_unlock ();
2075 * mono_get_unique_iid:
2078 * Assign a unique integer ID to the interface represented by @class.
2079 * The ID will positive and as small as possible.
2080 * LOCKING: this is supposed to be called with the loader lock held.
2081 * Returns: the new ID.
2084 mono_get_unique_iid (MonoClass *class)
2088 g_assert (MONO_CLASS_IS_INTERFACE (class));
2090 if (!global_interface_bitset) {
2091 global_interface_bitset = mono_bitset_new (128, 0);
2094 iid = mono_bitset_find_first_unset (global_interface_bitset, -1);
2096 int old_size = mono_bitset_size (global_interface_bitset);
2097 MonoBitSet *new_set = mono_bitset_clone (global_interface_bitset, old_size * 2);
2098 mono_bitset_free (global_interface_bitset);
2099 global_interface_bitset = new_set;
2102 mono_bitset_set (global_interface_bitset, iid);
2103 /* set the bit also in the per-image set */
2104 if (class->image->interface_bitset) {
2105 if (iid >= mono_bitset_size (class->image->interface_bitset)) {
2106 MonoBitSet *new_set = mono_bitset_clone (class->image->interface_bitset, iid + 1);
2107 mono_bitset_free (class->image->interface_bitset);
2108 class->image->interface_bitset = new_set;
2111 class->image->interface_bitset = mono_bitset_new (iid + 1, 0);
2113 mono_bitset_set (class->image->interface_bitset, iid);
2115 if (mono_print_vtable) {
2117 char *type_name = mono_type_full_name (&class->byval_arg);
2118 if (class->generic_class && !class->generic_class->context.class_inst->is_open) {
2119 generic_id = class->generic_class->context.class_inst->id;
2120 g_assert (generic_id != 0);
2124 printf ("Interface: assigned id %d to %s|%s|%d\n", iid, class->image->name, type_name, generic_id);
2128 g_assert (iid <= 65535);
2133 collect_implemented_interfaces_aux (MonoClass *klass, GPtrArray **res)
2138 mono_class_setup_interfaces (klass);
2140 for (i = 0; i < klass->interface_count; i++) {
2141 ic = klass->interfaces [i];
2144 *res = g_ptr_array_new ();
2145 g_ptr_array_add (*res, ic);
2146 mono_class_init (ic);
2148 collect_implemented_interfaces_aux (ic, res);
2153 mono_class_get_implemented_interfaces (MonoClass *klass)
2155 GPtrArray *res = NULL;
2157 collect_implemented_interfaces_aux (klass, &res);
2162 compare_interface_ids (const void *p_key, const void *p_element) {
2163 const MonoClass *key = p_key;
2164 const MonoClass *element = *(MonoClass**) p_element;
2166 return (key->interface_id - element->interface_id);
2170 mono_class_interface_offset (MonoClass *klass, MonoClass *itf) {
2171 MonoClass **result = bsearch (
2173 klass->interfaces_packed,
2174 klass->interface_offsets_count,
2175 sizeof (MonoClass *),
2176 compare_interface_ids);
2178 return klass->interface_offsets_packed [result - (klass->interfaces_packed)];
2185 print_implemented_interfaces (MonoClass *klass) {
2186 GPtrArray *ifaces = NULL;
2188 int ancestor_level = 0;
2190 printf ("Packed interface table for class %s has size %d\n", klass->name, klass->interface_offsets_count);
2191 for (i = 0; i < klass->interface_offsets_count; i++)
2192 printf (" [%03d][UUID %03d][SLOT %03d][SIZE %03d] interface %s.%s\n", i,
2193 klass->interfaces_packed [i]->interface_id,
2194 klass->interface_offsets_packed [i],
2195 klass->interfaces_packed [i]->method.count,
2196 klass->interfaces_packed [i]->name_space,
2197 klass->interfaces_packed [i]->name );
2198 printf ("Interface flags: ");
2199 for (i = 0; i <= klass->max_interface_id; i++)
2200 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, i))
2201 printf ("(%d,T)", i);
2203 printf ("(%d,F)", i);
2205 printf ("Dump interface flags:");
2206 for (i = 0; i < ((((klass->max_interface_id + 1) >> 3)) + (((klass->max_interface_id + 1) & 7)? 1 :0)); i++)
2207 printf (" %02X", klass->interface_bitmap [i]);
2209 while (klass != NULL) {
2210 printf ("[LEVEL %d] Implemented interfaces by class %s:\n", ancestor_level, klass->name);
2211 ifaces = mono_class_get_implemented_interfaces (klass);
2213 for (i = 0; i < ifaces->len; i++) {
2214 MonoClass *ic = g_ptr_array_index (ifaces, i);
2215 printf (" [UIID %d] interface %s\n", ic->interface_id, ic->name);
2216 printf (" [%03d][UUID %03d][SLOT %03d][SIZE %03d] interface %s.%s\n", i,
2218 mono_class_interface_offset (klass, ic),
2223 g_ptr_array_free (ifaces, TRUE);
2226 klass = klass->parent;
2231 inflate_class_one_arg (MonoClass *gtype, MonoClass *arg0)
2234 args [0] = &arg0->byval_arg;
2236 return mono_class_bind_generic_parameters (gtype, 1, args, FALSE);
2240 array_class_get_if_rank (MonoClass *class, guint rank)
2242 return rank ? mono_array_class_get (class, rank) : class;
2246 fill_valuetype_array_derived_types (MonoClass **valuetype_types, MonoClass *eclass, int rank)
2248 valuetype_types [0] = eclass;
2249 if (eclass == mono_defaults.int16_class)
2250 valuetype_types [1] = mono_defaults.uint16_class;
2251 else if (eclass == mono_defaults.uint16_class)
2252 valuetype_types [1] = mono_defaults.int16_class;
2253 else if (eclass == mono_defaults.int32_class)
2254 valuetype_types [1] = mono_defaults.uint32_class;
2255 else if (eclass == mono_defaults.uint32_class)
2256 valuetype_types [1] = mono_defaults.int32_class;
2257 else if (eclass == mono_defaults.int64_class)
2258 valuetype_types [1] = mono_defaults.uint64_class;
2259 else if (eclass == mono_defaults.uint64_class)
2260 valuetype_types [1] = mono_defaults.int64_class;
2261 else if (eclass == mono_defaults.byte_class)
2262 valuetype_types [1] = mono_defaults.sbyte_class;
2263 else if (eclass == mono_defaults.sbyte_class)
2264 valuetype_types [1] = mono_defaults.byte_class;
2265 else if (eclass->enumtype && mono_class_enum_basetype (eclass))
2266 valuetype_types [1] = mono_class_from_mono_type (mono_class_enum_basetype (eclass));
2269 /* this won't be needed once bug #325495 is completely fixed
2270 * though we'll need something similar to know which interfaces to allow
2271 * in arrays when they'll be lazyly created
2273 * FIXME: System.Array/InternalEnumerator don't need all this interface fabrication machinery.
2274 * MS returns diferrent types based on which instance is called. For example:
2275 * object obj = new byte[10][];
2276 * Type a = ((IEnumerable<byte[]>)obj).GetEnumerator ().GetType ();
2277 * Type b = ((IEnumerable<IList<byte>>)obj).GetEnumerator ().GetType ();
2280 * Fixing this should kill quite some code, save some bits and improve compatibility.
2283 get_implicit_generic_array_interfaces (MonoClass *class, int *num, int *is_enumerator)
2285 MonoClass *eclass = class->element_class;
2286 static MonoClass* generic_icollection_class = NULL;
2287 static MonoClass* generic_ienumerable_class = NULL;
2288 static MonoClass* generic_ienumerator_class = NULL;
2289 MonoClass *valuetype_types[2] = { NULL, NULL };
2290 MonoClass **interfaces = NULL;
2291 int i, interface_count, real_count, original_rank;
2293 gboolean internal_enumerator;
2294 gboolean eclass_is_valuetype;
2296 if (!mono_defaults.generic_ilist_class) {
2300 internal_enumerator = FALSE;
2301 eclass_is_valuetype = FALSE;
2302 original_rank = eclass->rank;
2303 if (class->byval_arg.type != MONO_TYPE_SZARRAY) {
2304 if (class->generic_class && class->nested_in == mono_defaults.array_class && strcmp (class->name, "InternalEnumerator`1") == 0) {
2306 * For a Enumerator<T[]> we need to get the list of interfaces for T.
2308 eclass = mono_class_from_mono_type (class->generic_class->context.class_inst->type_argv [0]);
2309 original_rank = eclass->rank;
2310 eclass = eclass->element_class;
2311 internal_enumerator = TRUE;
2312 *is_enumerator = TRUE;
2320 * with this non-lazy impl we can't implement all the interfaces so we do just the minimal stuff
2321 * for deep levels of arrays of arrays (string[][] has all the interfaces, string[][][] doesn't)
2323 all_interfaces = eclass->rank && eclass->element_class->rank? FALSE: TRUE;
2325 if (!generic_icollection_class) {
2326 generic_icollection_class = mono_class_from_name (mono_defaults.corlib,
2327 "System.Collections.Generic", "ICollection`1");
2328 generic_ienumerable_class = mono_class_from_name (mono_defaults.corlib,
2329 "System.Collections.Generic", "IEnumerable`1");
2330 generic_ienumerator_class = mono_class_from_name (mono_defaults.corlib,
2331 "System.Collections.Generic", "IEnumerator`1");
2334 mono_class_init (eclass);
2337 * Arrays in 2.0 need to implement a number of generic interfaces
2338 * (IList`1, ICollection`1, IEnumerable`1 for a number of types depending
2339 * on the element class). We collect the types needed to build the
2340 * instantiations in interfaces at intervals of 3, because 3 are
2341 * the generic interfaces needed to implement.
2343 if (eclass->valuetype) {
2344 fill_valuetype_array_derived_types (valuetype_types, eclass, original_rank);
2346 /* IList, ICollection, IEnumerable */
2347 real_count = interface_count = valuetype_types [1] ? 6 : 3;
2348 if (internal_enumerator) {
2350 if (valuetype_types [1])
2354 interfaces = g_malloc0 (sizeof (MonoClass*) * real_count);
2355 interfaces [0] = valuetype_types [0];
2356 if (valuetype_types [1])
2357 interfaces [3] = valuetype_types [1];
2359 eclass_is_valuetype = TRUE;
2362 int idepth = eclass->idepth;
2363 if (!internal_enumerator)
2365 interface_count = all_interfaces? eclass->interface_offsets_count: eclass->interface_count;
2366 /* we add object for interfaces and the supertypes for the other
2367 * types. The last of the supertypes is the element class itself which we
2368 * already created the explicit interfaces for (so we include it for IEnumerator
2369 * and exclude it for arrays).
2371 if (MONO_CLASS_IS_INTERFACE (eclass))
2374 interface_count += idepth;
2375 if (eclass->rank && eclass->element_class->valuetype) {
2376 fill_valuetype_array_derived_types (valuetype_types, eclass->element_class, original_rank);
2377 if (valuetype_types [1])
2380 /* IList, ICollection, IEnumerable */
2381 interface_count *= 3;
2382 real_count = interface_count;
2383 if (internal_enumerator) {
2384 real_count += (MONO_CLASS_IS_INTERFACE (eclass) ? 1 : idepth) + eclass->interface_offsets_count;
2385 if (valuetype_types [1])
2388 interfaces = g_malloc0 (sizeof (MonoClass*) * real_count);
2389 if (MONO_CLASS_IS_INTERFACE (eclass)) {
2390 interfaces [0] = mono_defaults.object_class;
2394 for (i = 0; i < idepth; i++) {
2395 mono_class_init (eclass->supertypes [i]);
2396 interfaces [j] = eclass->supertypes [i];
2400 if (all_interfaces) {
2401 for (i = 0; i < eclass->interface_offsets_count; i++) {
2402 interfaces [j] = eclass->interfaces_packed [i];
2406 for (i = 0; i < eclass->interface_count; i++) {
2407 interfaces [j] = eclass->interfaces [i];
2411 if (valuetype_types [1]) {
2412 interfaces [j] = array_class_get_if_rank (valuetype_types [1], original_rank);
2417 /* instantiate the generic interfaces */
2418 for (i = 0; i < interface_count; i += 3) {
2419 MonoClass *iface = interfaces [i];
2421 interfaces [i + 0] = inflate_class_one_arg (mono_defaults.generic_ilist_class, iface);
2422 interfaces [i + 1] = inflate_class_one_arg (generic_icollection_class, iface);
2423 interfaces [i + 2] = inflate_class_one_arg (generic_ienumerable_class, iface);
2425 if (internal_enumerator) {
2427 /* instantiate IEnumerator<iface> */
2428 for (i = 0; i < interface_count; i++) {
2429 interfaces [i] = inflate_class_one_arg (generic_ienumerator_class, interfaces [i]);
2431 j = interface_count;
2432 if (!eclass_is_valuetype) {
2433 if (MONO_CLASS_IS_INTERFACE (eclass)) {
2434 interfaces [j] = inflate_class_one_arg (generic_ienumerator_class, mono_defaults.object_class);
2437 for (i = 0; i < eclass->idepth; i++) {
2438 interfaces [j] = inflate_class_one_arg (generic_ienumerator_class, eclass->supertypes [i]);
2442 for (i = 0; i < eclass->interface_offsets_count; i++) {
2443 interfaces [j] = inflate_class_one_arg (generic_ienumerator_class, eclass->interfaces_packed [i]);
2447 interfaces [j++] = inflate_class_one_arg (generic_ienumerator_class, array_class_get_if_rank (valuetype_types [0], original_rank));
2449 if (valuetype_types [1])
2450 interfaces [j] = inflate_class_one_arg (generic_ienumerator_class, array_class_get_if_rank (valuetype_types [1], original_rank));
2454 char *type_name = mono_type_get_name_full (&class->byval_arg, 0);
2455 for (i = 0; i < real_count; ++i) {
2456 char *name = mono_type_get_name_full (&interfaces [i]->byval_arg, 0);
2457 g_print ("%s implements %s\n", type_name, name);
2468 find_array_interface (MonoClass *klass, const char *name)
2471 for (i = 0; i < klass->interface_count; ++i) {
2472 if (strcmp (klass->interfaces [i]->name, name) == 0)
2479 * LOCKING: this is supposed to be called with the loader lock held.
2482 setup_interface_offsets (MonoClass *class, int cur_slot)
2486 MonoClass **interfaces_full;
2487 int *interface_offsets_full;
2489 int interface_offsets_count;
2490 MonoClass **array_interfaces;
2491 int num_array_interfaces;
2492 int is_enumerator = FALSE;
2495 * get the implicit generic interfaces for either the arrays or for System.Array/InternalEnumerator<T>
2496 * implicit interfaces have the property that they are assigned the same slot in the
2497 * vtables for compatible interfaces
2499 array_interfaces = get_implicit_generic_array_interfaces (class, &num_array_interfaces, &is_enumerator);
2501 /* compute maximum number of slots and maximum interface id */
2503 for (k = class; k ; k = k->parent) {
2504 for (i = 0; i < k->interface_count; i++) {
2505 ic = k->interfaces [i];
2508 mono_class_init (ic);
2510 if (max_iid < ic->interface_id)
2511 max_iid = ic->interface_id;
2513 ifaces = mono_class_get_implemented_interfaces (k);
2515 for (i = 0; i < ifaces->len; ++i) {
2516 ic = g_ptr_array_index (ifaces, i);
2517 if (max_iid < ic->interface_id)
2518 max_iid = ic->interface_id;
2520 g_ptr_array_free (ifaces, TRUE);
2523 for (i = 0; i < num_array_interfaces; ++i) {
2524 ic = array_interfaces [i];
2525 mono_class_init (ic);
2526 if (max_iid < ic->interface_id)
2527 max_iid = ic->interface_id;
2530 if (MONO_CLASS_IS_INTERFACE (class)) {
2531 if (max_iid < class->interface_id)
2532 max_iid = class->interface_id;
2534 class->max_interface_id = max_iid;
2535 /* compute vtable offset for interfaces */
2536 interfaces_full = g_malloc (sizeof (MonoClass*) * (max_iid + 1));
2537 interface_offsets_full = g_malloc (sizeof (int) * (max_iid + 1));
2539 for (i = 0; i <= max_iid; i++) {
2540 interfaces_full [i] = NULL;
2541 interface_offsets_full [i] = -1;
2544 ifaces = mono_class_get_implemented_interfaces (class);
2546 for (i = 0; i < ifaces->len; ++i) {
2547 ic = g_ptr_array_index (ifaces, i);
2548 if (interfaces_full [ic->interface_id] != NULL)
2550 interfaces_full [ic->interface_id] = ic;
2551 interface_offsets_full [ic->interface_id] = cur_slot;
2552 cur_slot += ic->method.count;
2554 g_ptr_array_free (ifaces, TRUE);
2557 for (k = class->parent; k ; k = k->parent) {
2558 ifaces = mono_class_get_implemented_interfaces (k);
2560 for (i = 0; i < ifaces->len; ++i) {
2561 ic = g_ptr_array_index (ifaces, i);
2563 if (interface_offsets_full [ic->interface_id] == -1) {
2564 int io = mono_class_interface_offset (k, ic);
2568 interfaces_full [ic->interface_id] = ic;
2569 interface_offsets_full [ic->interface_id] = io;
2572 g_ptr_array_free (ifaces, TRUE);
2576 if (MONO_CLASS_IS_INTERFACE (class)) {
2577 interfaces_full [class->interface_id] = class;
2578 interface_offsets_full [class->interface_id] = cur_slot;
2581 if (num_array_interfaces) {
2582 if (is_enumerator) {
2583 int ienumerator_offset;
2584 int ienumerator_idx = find_array_interface (class, "IEnumerator`1");
2585 ienumerator_offset = interface_offsets_full [class->interfaces [ienumerator_idx]->interface_id];
2586 for (i = 0; i < num_array_interfaces; ++i) {
2587 ic = array_interfaces [i];
2588 interfaces_full [ic->interface_id] = ic;
2589 if (strcmp (ic->name, "IEnumerator`1") == 0)
2590 interface_offsets_full [ic->interface_id] = ienumerator_offset;
2592 g_assert_not_reached ();
2593 /*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);*/
2596 int ilist_offset, icollection_offset, ienumerable_offset;
2597 int ilist_iface_idx = find_array_interface (class, "IList`1");
2598 int icollection_iface_idx = find_array_interface (class->interfaces [ilist_iface_idx], "ICollection`1");
2599 int ienumerable_iface_idx = find_array_interface (class->interfaces [ilist_iface_idx], "IEnumerable`1");
2600 ilist_offset = interface_offsets_full [class->interfaces [ilist_iface_idx]->interface_id];
2601 icollection_offset = interface_offsets_full [class->interfaces [ilist_iface_idx]->interfaces [icollection_iface_idx]->interface_id];
2602 ienumerable_offset = interface_offsets_full [class->interfaces [ilist_iface_idx]->interfaces [ienumerable_iface_idx]->interface_id];
2603 g_assert (ilist_offset >= 0 && icollection_offset >= 0 && ienumerable_offset >= 0);
2604 for (i = 0; i < num_array_interfaces; ++i) {
2605 ic = array_interfaces [i];
2606 interfaces_full [ic->interface_id] = ic;
2607 if (ic->generic_class->container_class == mono_defaults.generic_ilist_class)
2608 interface_offsets_full [ic->interface_id] = ilist_offset;
2609 else if (strcmp (ic->name, "ICollection`1") == 0)
2610 interface_offsets_full [ic->interface_id] = icollection_offset;
2611 else if (strcmp (ic->name, "IEnumerable`1") == 0)
2612 interface_offsets_full [ic->interface_id] = ienumerable_offset;
2614 g_assert_not_reached ();
2615 /*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);*/
2620 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2621 if (interface_offsets_full [i] != -1) {
2622 interface_offsets_count ++;
2627 * We might get called twice: once from mono_class_init () then once from
2628 * mono_class_setup_vtable ().
2630 if (class->interfaces_packed) {
2631 g_assert (class->interface_offsets_count == interface_offsets_count);
2633 class->interface_offsets_count = interface_offsets_count;
2634 class->interfaces_packed = mono_image_alloc (class->image, sizeof (MonoClass*) * interface_offsets_count);
2635 class->interface_offsets_packed = mono_image_alloc (class->image, sizeof (guint16) * interface_offsets_count);
2636 class->interface_bitmap = mono_image_alloc0 (class->image, (sizeof (guint8) * ((max_iid + 1) >> 3)) + (((max_iid + 1) & 7)? 1 :0));
2637 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2638 if (interface_offsets_full [i] != -1) {
2639 class->interface_bitmap [i >> 3] |= (1 << (i & 7));
2640 class->interfaces_packed [interface_offsets_count] = interfaces_full [i];
2641 class->interface_offsets_packed [interface_offsets_count] = interface_offsets_full [i];
2642 /*if (num_array_interfaces)
2643 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]);*/
2644 interface_offsets_count ++;
2649 g_free (interfaces_full);
2650 g_free (interface_offsets_full);
2651 g_free (array_interfaces);
2653 //printf ("JUST DONE: ");
2654 //print_implemented_interfaces (class);
2660 * Setup interface offsets for interfaces.
2662 * - class->max_interface_id
2663 * - class->interface_offsets_count
2664 * - class->interfaces_packed
2665 * - class->interface_offsets_packed
2666 * - class->interface_bitmap
2669 mono_class_setup_interface_offsets (MonoClass *class)
2671 mono_loader_lock ();
2673 setup_interface_offsets (class, 0);
2675 mono_loader_unlock ();
2679 * mono_class_setup_vtable:
2681 * Creates the generic vtable of CLASS.
2682 * Initializes the following fields in MonoClass:
2685 * Plus all the fields initialized by setup_interface_offsets ().
2686 * If there is an error during vtable construction, class->exception_type is set.
2688 * LOCKING: Acquires the loader lock.
2691 mono_class_setup_vtable (MonoClass *class)
2693 MonoMethod **overrides;
2694 MonoGenericContext *context;
2703 if (mono_debug_using_mono_debugger ())
2704 /* The debugger currently depends on this */
2705 mono_class_setup_methods (class);
2707 if (MONO_CLASS_IS_INTERFACE (class)) {
2708 /* This sets method->slot for all methods if this is an interface */
2709 mono_class_setup_methods (class);
2713 mono_loader_lock ();
2715 if (class->vtable) {
2716 mono_loader_unlock ();
2720 mono_stats.generic_vtable_count ++;
2722 if (class->generic_class) {
2723 context = mono_class_get_context (class);
2724 type_token = class->generic_class->container_class->type_token;
2726 context = (MonoGenericContext *) class->generic_container;
2727 type_token = class->type_token;
2730 if (class->image->dynamic) {
2731 if (class->generic_class) {
2732 MonoClass *gklass = class->generic_class->container_class;
2734 mono_reflection_get_dynamic_overrides (gklass, &overrides, &onum);
2735 for (i = 0; i < onum; ++i) {
2736 MonoMethod *override = overrides [(i * 2) + 1];
2737 MonoMethod *inflated = NULL;
2740 for (j = 0; j < class->method.count; ++j) {
2741 if (gklass->methods [j] == override) {
2742 inflated = class->methods [j];
2746 g_assert (inflated);
2748 overrides [(i * 2) + 1] = inflated;
2751 mono_reflection_get_dynamic_overrides (class, &overrides, &onum);
2754 /* The following call fails if there are missing methods in the type */
2755 ok = mono_class_get_overrides_full (class->image, type_token, &overrides, &onum, context);
2759 mono_class_setup_vtable_general (class, overrides, onum);
2763 mono_loader_unlock ();
2768 #define DEBUG_INTERFACE_VTABLE_CODE 0
2769 #define TRACE_INTERFACE_VTABLE_CODE 0
2770 #define VERIFY_INTERFACE_VTABLE_CODE 0
2772 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2773 #define DEBUG_INTERFACE_VTABLE(stmt) do {\
2777 #define DEBUG_INTERFACE_VTABLE(stmt)
2780 #if TRACE_INTERFACE_VTABLE_CODE
2781 #define TRACE_INTERFACE_VTABLE(stmt) do {\
2785 #define TRACE_INTERFACE_VTABLE(stmt)
2788 #if VERIFY_INTERFACE_VTABLE_CODE
2789 #define VERIFY_INTERFACE_VTABLE(stmt) do {\
2793 #define VERIFY_INTERFACE_VTABLE(stmt)
2797 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2799 mono_signature_get_full_desc (MonoMethodSignature *sig, gboolean include_namespace)
2803 GString *res = g_string_new ("");
2805 g_string_append_c (res, '(');
2806 for (i = 0; i < sig->param_count; ++i) {
2808 g_string_append_c (res, ',');
2809 mono_type_get_desc (res, sig->params [i], include_namespace);
2811 g_string_append (res, ")=>");
2812 if (sig->ret != NULL) {
2813 mono_type_get_desc (res, sig->ret, include_namespace);
2815 g_string_append (res, "NULL");
2818 g_string_free (res, FALSE);
2822 print_method_signatures (MonoMethod *im, MonoMethod *cm) {
2823 char *im_sig = mono_signature_get_full_desc (mono_method_signature (im), TRUE);
2824 char *cm_sig = mono_signature_get_full_desc (mono_method_signature (cm), TRUE);
2825 printf ("(IM \"%s\", CM \"%s\")", im_sig, cm_sig);
2833 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) {
2834 if (strcmp (im->name, cm->name) == 0) {
2835 if (! (cm->flags & METHOD_ATTRIBUTE_PUBLIC)) {
2836 TRACE_INTERFACE_VTABLE (printf ("[PUBLIC CHECK FAILED]"));
2839 if (! slot_is_empty) {
2840 if (require_newslot) {
2841 if (! interface_is_explicitly_implemented_by_class) {
2842 TRACE_INTERFACE_VTABLE (printf ("[NOT EXPLICIT IMPLEMENTATION IN FULL SLOT REFUSED]"));
2845 if (! (cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
2846 TRACE_INTERFACE_VTABLE (printf ("[NEWSLOT CHECK FAILED]"));
2850 TRACE_INTERFACE_VTABLE (printf ("[FULL SLOT REFUSED]"));
2853 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2854 TRACE_INTERFACE_VTABLE (printf ("[SIGNATURE CHECK FAILED "));
2855 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2856 TRACE_INTERFACE_VTABLE (printf ("]"));
2859 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS]"));
2860 /* CAS - SecurityAction.InheritanceDemand on interface */
2861 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2862 mono_secman_inheritancedemand_method (cm, im);
2865 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2866 mono_security_core_clr_check_override (class, cm, im);
2867 TRACE_INTERFACE_VTABLE (printf ("[NAME CHECK OK]"));
2870 MonoClass *ic = im->klass;
2871 const char *ic_name_space = ic->name_space;
2872 const char *ic_name = ic->name;
2875 if (! require_newslot) {
2876 TRACE_INTERFACE_VTABLE (printf ("[INJECTED METHOD REFUSED]"));
2879 if (cm->klass->rank == 0) {
2880 TRACE_INTERFACE_VTABLE (printf ("[RANK CHECK FAILED]"));
2883 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2884 TRACE_INTERFACE_VTABLE (printf ("[(INJECTED) SIGNATURE CHECK FAILED "));
2885 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2886 TRACE_INTERFACE_VTABLE (printf ("]"));
2889 if (mono_class_get_image (ic) != mono_defaults.corlib) {
2890 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE CORLIB CHECK FAILED]"));
2893 if ((ic_name_space == NULL) || (strcmp (ic_name_space, "System.Collections.Generic") != 0)) {
2894 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAMESPACE CHECK FAILED]"));
2897 if ((ic_name == NULL) || ((strcmp (ic_name, "IEnumerable`1") != 0) && (strcmp (ic_name, "ICollection`1") != 0) && (strcmp (ic_name, "IList`1") != 0))) {
2898 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAME CHECK FAILED]"));
2902 subname = strstr (cm->name, ic_name_space);
2903 if (subname != cm->name) {
2904 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL NAMESPACE CHECK FAILED]"));
2907 subname += strlen (ic_name_space);
2908 if (subname [0] != '.') {
2909 TRACE_INTERFACE_VTABLE (printf ("[FIRST DOT CHECK FAILED]"));
2913 if (strstr (subname, ic_name) != subname) {
2914 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL CLASS NAME CHECK FAILED]"));
2917 subname += strlen (ic_name);
2918 if (subname [0] != '.') {
2919 TRACE_INTERFACE_VTABLE (printf ("[SECOND DOT CHECK FAILED]"));
2923 if (strcmp (subname, im->name) != 0) {
2924 TRACE_INTERFACE_VTABLE (printf ("[METHOD NAME CHECK FAILED]"));
2928 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS (INJECTED CASE)]"));
2929 /* CAS - SecurityAction.InheritanceDemand on interface */
2930 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2931 mono_secman_inheritancedemand_method (cm, im);
2934 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2935 mono_security_core_clr_check_override (class, cm, im);
2937 TRACE_INTERFACE_VTABLE (printf ("[INJECTED INTERFACE CHECK OK]"));
2942 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2944 foreach_override (gpointer key, gpointer value, gpointer user_data) {
2945 MonoMethod *method = key;
2946 MonoMethod *override = value;
2947 MonoClass *method_class = mono_method_get_class (method);
2948 MonoClass *override_class = mono_method_get_class (override);
2950 printf (" Method '%s.%s:%s' has override '%s.%s:%s'\n",
2951 mono_class_get_namespace (method_class), mono_class_get_name (method_class), mono_method_get_name (method),
2952 mono_class_get_namespace (override_class), mono_class_get_name (override_class), mono_method_get_name (override));
2955 print_overrides (GHashTable *override_map, const char *message) {
2957 printf ("Override map \"%s\" START:\n", message);
2958 g_hash_table_foreach (override_map, foreach_override, NULL);
2959 printf ("Override map \"%s\" END.\n", message);
2961 printf ("Override map \"%s\" EMPTY.\n", message);
2965 print_vtable_full (MonoClass *class, MonoMethod** vtable, int size, int first_non_interface_slot, const char *message, gboolean print_interfaces) {
2966 char *full_name = mono_type_full_name (&class->byval_arg);
2970 printf ("*** Vtable for class '%s' at \"%s\" (size %d)\n", full_name, message, size);
2972 if (print_interfaces) {
2973 print_implemented_interfaces (class);
2974 printf ("* Interfaces for class '%s' done.\nStarting vtable (size %d):\n", full_name, size);
2977 if (class->parent) {
2978 parent_size = class->parent->vtable_size;
2982 for (i = 0; i < size; ++i) {
2983 MonoMethod *cm = vtable [i];
2985 char *cm_name = mono_method_full_name (cm, TRUE);
2986 char newness = (i < parent_size) ? 'O' : ((i < first_non_interface_slot) ? 'I' : 'N');
2987 printf (" [%c][%03d][INDEX %03d] %s\n", newness, i, cm->slot, cm_name);
2996 #if VERIFY_INTERFACE_VTABLE_CODE
2998 mono_method_try_get_vtable_index (MonoMethod *method)
3000 if (method->is_inflated && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) {
3001 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
3002 if (imethod->declaring->is_generic)
3003 return imethod->declaring->slot;
3005 return method->slot;
3009 mono_class_verify_vtable (MonoClass *class)
3012 char *full_name = mono_type_full_name (&class->byval_arg);
3014 printf ("*** Verifying VTable of class '%s' \n", full_name);
3018 if (!class->methods)
3021 for (i = 0; i < class->method.count; ++i) {
3022 MonoMethod *cm = class->methods [i];
3025 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL))
3029 full_name = mono_method_full_name (cm, TRUE);
3031 slot = mono_method_try_get_vtable_index (cm);
3033 if (slot >= class->vtable_size) {
3034 printf ("\tInvalid method %s at index %d with vtable of length %d\n", full_name, slot, class->vtable_size);
3038 if (slot >= 0 && class->vtable [slot] != cm && (class->vtable [slot])) {
3039 char *other_name = class->vtable [slot] ? mono_method_full_name (class->vtable [slot], TRUE) : g_strdup ("[null value]");
3040 printf ("\tMethod %s has slot %d but vtable has %s on it\n", full_name, slot, other_name);
3041 g_free (other_name);
3044 printf ("\tVirtual method %s does n't have an assigned slot\n", full_name);
3051 print_unimplemented_interface_method_info (MonoClass *class, MonoClass *ic, MonoMethod *im, int im_slot, MonoMethod **overrides, int onum) {
3053 char *method_signature;
3056 for (index = 0; index < onum; ++index) {
3057 g_print (" at slot %d: %s (%d) overrides %s (%d)\n", im_slot, overrides [index*2+1]->name,
3058 overrides [index*2+1]->slot, overrides [index*2]->name, overrides [index*2]->slot);
3060 method_signature = mono_signature_get_desc (mono_method_signature (im), FALSE);
3061 type_name = mono_type_full_name (&class->byval_arg);
3062 printf ("no implementation for interface method %s::%s(%s) in class %s\n",
3063 mono_type_get_name (&ic->byval_arg), im->name, method_signature, type_name);
3064 g_free (method_signature);
3066 mono_class_setup_methods (class);
3067 for (index = 0; index < class->method.count; ++index) {
3068 MonoMethod *cm = class->methods [index];
3069 method_signature = mono_signature_get_desc (mono_method_signature (cm), TRUE);
3071 printf ("METHOD %s(%s)\n", cm->name, method_signature);
3072 g_free (method_signature);
3077 verify_class_overrides (MonoClass *class, GPtrArray *ifaces, MonoMethod **overrides, int onum)
3082 for (i = 0; i < onum; ++i) {
3083 MonoMethod *decl = overrides [i * 2];
3084 MonoMethod *body = overrides [i * 2 + 1];
3086 if (mono_class_get_generic_type_definition (body->klass) != mono_class_get_generic_type_definition (class)) {
3087 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, g_strdup ("Method belongs to a different class than the declared one"));
3091 if (!(body->flags & METHOD_ATTRIBUTE_VIRTUAL) || (body->flags & METHOD_ATTRIBUTE_STATIC)) {
3092 if (body->flags & METHOD_ATTRIBUTE_STATIC)
3093 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, g_strdup ("Method must not be static to override a base type"));
3095 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, g_strdup ("Method must be virtual to override a base type"));
3099 if (!(decl->flags & METHOD_ATTRIBUTE_VIRTUAL) || (decl->flags & METHOD_ATTRIBUTE_STATIC)) {
3100 if (body->flags & METHOD_ATTRIBUTE_STATIC)
3101 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, g_strdup ("Cannot override a static method in a base type"));
3103 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, g_strdup ("Cannot override a non virtual method in a base type"));
3108 /*We can't use mono_class_is_assignable_from since it requires the class to be fully initialized*/
3111 for (j = 0; j < ifaces->len; j++) {
3112 MonoClass *ic = g_ptr_array_index (ifaces, j);
3113 if (decl->klass == ic) {
3121 MonoClass *parent = class;
3123 if (decl->klass == parent) {
3127 parent = parent->parent;
3132 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, g_strdup ("Method overrides a class or interface that extended or implemented by this type"));
3139 * LOCKING: this is supposed to be called with the loader lock held.
3142 mono_class_setup_vtable_general (MonoClass *class, MonoMethod **overrides, int onum)
3145 MonoMethod **vtable;
3146 int i, max_vtsize = 0, max_iid, cur_slot = 0;
3147 GPtrArray *ifaces = NULL;
3148 GHashTable *override_map = NULL;
3149 gboolean security_enabled = mono_is_security_manager_active ();
3151 gpointer class_iter;
3152 #if (DEBUG_INTERFACE_VTABLE_CODE|TRACE_INTERFACE_VTABLE_CODE)
3153 int first_non_interface_slot;
3159 ifaces = mono_class_get_implemented_interfaces (class);
3161 if (overrides && !verify_class_overrides (class, ifaces, overrides, onum)) {
3163 g_ptr_array_free (ifaces, TRUE);
3168 for (i = 0; i < ifaces->len; i++) {
3169 MonoClass *ic = g_ptr_array_index (ifaces, i);
3170 max_vtsize += ic->method.count;
3172 g_ptr_array_free (ifaces, TRUE);
3176 if (class->parent) {
3177 mono_class_init (class->parent);
3178 mono_class_setup_vtable (class->parent);
3179 max_vtsize += class->parent->vtable_size;
3180 cur_slot = class->parent->vtable_size;
3183 max_vtsize += class->method.count;
3185 vtable = alloca (sizeof (gpointer) * max_vtsize);
3186 memset (vtable, 0, sizeof (gpointer) * max_vtsize);
3188 /* printf ("METAINIT %s.%s\n", class->name_space, class->name); */
3190 cur_slot = setup_interface_offsets (class, cur_slot);
3191 max_iid = class->max_interface_id;
3192 DEBUG_INTERFACE_VTABLE (first_non_interface_slot = cur_slot);
3194 /* Optimized version for generic instances */
3195 if (class->generic_class) {
3196 MonoClass *gklass = class->generic_class->container_class;
3199 mono_class_setup_vtable (gklass);
3200 if (gklass->exception_type != MONO_EXCEPTION_NONE) {
3201 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3205 tmp = mono_image_alloc0 (class->image, sizeof (gpointer) * gklass->vtable_size);
3206 class->vtable_size = gklass->vtable_size;
3207 for (i = 0; i < gklass->vtable_size; ++i)
3208 if (gklass->vtable [i]) {
3209 tmp [i] = mono_class_inflate_generic_method_full (gklass->vtable [i], class, mono_class_get_context (class));
3210 tmp [i]->slot = gklass->vtable [i]->slot;
3212 mono_memory_barrier ();
3213 class->vtable = tmp;
3215 /* Have to set method->slot for abstract virtual methods */
3216 if (class->methods && gklass->methods) {
3217 for (i = 0; i < class->method.count; ++i)
3218 if (class->methods [i]->slot == -1)
3219 class->methods [i]->slot = gklass->methods [i]->slot;
3225 if (class->parent && class->parent->vtable_size) {
3226 MonoClass *parent = class->parent;
3229 memcpy (vtable, parent->vtable, sizeof (gpointer) * parent->vtable_size);
3231 // Also inherit parent interface vtables, just as a starting point.
3232 // This is needed otherwise bug-77127.exe fails when the property methods
3233 // have different names in the iterface and the class, because for child
3234 // classes the ".override" information is not used anymore.
3235 for (i = 0; i < parent->interface_offsets_count; i++) {
3236 MonoClass *parent_interface = parent->interfaces_packed [i];
3237 int interface_offset = mono_class_interface_offset (class, parent_interface);
3239 if (interface_offset >= parent->vtable_size) {
3240 int parent_interface_offset = mono_class_interface_offset (parent, parent_interface);
3243 mono_class_setup_methods (parent_interface);
3244 TRACE_INTERFACE_VTABLE (printf (" +++ Inheriting interface %s.%s\n", parent_interface->name_space, parent_interface->name));
3245 for (j = 0; j < parent_interface->method.count; j++) {
3246 vtable [interface_offset + j] = parent->vtable [parent_interface_offset + j];
3247 TRACE_INTERFACE_VTABLE (printf (" --- Inheriting: [%03d][(%03d)+(%03d)] => [%03d][(%03d)+(%03d)]\n",
3248 parent_interface_offset + j, parent_interface_offset, j,
3249 interface_offset + j, interface_offset, j));
3256 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER INHERITING PARENT VTABLE", TRUE));
3257 /* override interface methods */
3258 for (i = 0; i < onum; i++) {
3259 MonoMethod *decl = overrides [i*2];
3260 if (MONO_CLASS_IS_INTERFACE (decl->klass)) {
3262 dslot = mono_method_get_vtable_slot (decl) + mono_class_interface_offset (class, decl->klass);
3263 vtable [dslot] = overrides [i*2 + 1];
3264 vtable [dslot]->slot = dslot;
3266 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3268 g_hash_table_insert (override_map, overrides [i * 2], overrides [i * 2 + 1]);
3270 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3271 mono_security_core_clr_check_override (class, vtable [dslot], decl);
3274 TRACE_INTERFACE_VTABLE (print_overrides (override_map, "AFTER OVERRIDING INTERFACE METHODS"));
3275 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER OVERRIDING INTERFACE METHODS", FALSE));
3277 // Loop on all implemented interfaces...
3278 for (i = 0; i < class->interface_offsets_count; i++) {
3279 MonoClass *parent = class->parent;
3281 gboolean interface_is_explicitly_implemented_by_class;
3284 ic = class->interfaces_packed [i];
3285 ic_offset = mono_class_interface_offset (class, ic);
3287 mono_class_setup_methods (ic);
3289 // Check if this interface is explicitly implemented (instead of just inherited)
3290 if (parent != NULL) {
3291 int implemented_interfaces_index;
3292 interface_is_explicitly_implemented_by_class = FALSE;
3293 for (implemented_interfaces_index = 0; implemented_interfaces_index < class->interface_count; implemented_interfaces_index++) {
3294 if (ic == class->interfaces [implemented_interfaces_index]) {
3295 interface_is_explicitly_implemented_by_class = TRUE;
3300 interface_is_explicitly_implemented_by_class = TRUE;
3303 // Loop on all interface methods...
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;
3307 MonoMethod *override_im = (override_map != NULL) ? g_hash_table_lookup (override_map, im) : NULL;
3309 if (im->flags & METHOD_ATTRIBUTE_STATIC)
3312 // If there is an explicit implementation, just use it right away,
3313 // otherwise look for a matching method
3314 if (override_im == NULL) {
3319 // First look for a suitable method among the class methods
3321 while ((cm = mono_class_get_virtual_methods (class, &iter))) {
3322 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)));
3323 if (check_interface_method_override (class, im, cm, TRUE, interface_is_explicitly_implemented_by_class, (vtable [im_slot] == NULL), security_enabled)) {
3324 TRACE_INTERFACE_VTABLE (printf ("[check ok]: ASSIGNING"));
3325 vtable [im_slot] = cm;
3326 /* Why do we need this? */
3331 TRACE_INTERFACE_VTABLE (printf ("\n"));
3334 // If the slot is still empty, look in all the inherited virtual methods...
3335 if ((vtable [im_slot] == NULL) && class->parent != NULL) {
3336 MonoClass *parent = class->parent;
3337 // Reverse order, so that last added methods are preferred
3338 for (cm_index = parent->vtable_size - 1; cm_index >= 0; cm_index--) {
3339 MonoMethod *cm = parent->vtable [cm_index];
3341 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));
3342 if ((cm != NULL) && check_interface_method_override (class, im, cm, FALSE, FALSE, TRUE, security_enabled)) {
3343 TRACE_INTERFACE_VTABLE (printf ("[everything ok]: ASSIGNING"));
3344 vtable [im_slot] = cm;
3345 /* Why do we need this? */
3351 TRACE_INTERFACE_VTABLE ((cm != NULL) && printf ("\n"));
3355 g_assert (vtable [im_slot] == override_im);
3360 // If the class is not abstract, check that all its interface slots are full.
3361 // The check is done here and not directly at the end of the loop above because
3362 // it can happen (for injected generic array interfaces) that the same slot is
3363 // processed multiple times (those interfaces have overlapping slots), and it
3364 // will not always be the first pass the one that fills the slot.
3365 if (! (class->flags & TYPE_ATTRIBUTE_ABSTRACT)) {
3366 for (i = 0; i < class->interface_offsets_count; i++) {
3370 ic = class->interfaces_packed [i];
3371 ic_offset = mono_class_interface_offset (class, ic);
3373 for (im_index = 0; im_index < ic->method.count; im_index++) {
3374 MonoMethod *im = ic->methods [im_index];
3375 int im_slot = ic_offset + im->slot;
3377 if (im->flags & METHOD_ATTRIBUTE_STATIC)
3380 TRACE_INTERFACE_VTABLE (printf (" [class is not abstract, checking slot %d for interface '%s'.'%s', method %s, slot check is %d]\n",
3381 im_slot, ic->name_space, ic->name, im->name, (vtable [im_slot] == NULL)));
3382 if (vtable [im_slot] == NULL) {
3383 print_unimplemented_interface_method_info (class, ic, im, im_slot, overrides, onum);
3384 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3386 g_hash_table_destroy (override_map);
3393 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER SETTING UP INTERFACE METHODS", FALSE));
3395 while ((cm = mono_class_get_virtual_methods (class, &class_iter))) {
3397 * If the method is REUSE_SLOT, we must check in the
3398 * base class for a method to override.
3400 if (!(cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
3402 for (k = class->parent; k ; k = k->parent) {
3407 while ((m1 = mono_class_get_virtual_methods (k, &k_iter))) {
3408 MonoMethodSignature *cmsig, *m1sig;
3410 cmsig = mono_method_signature (cm);
3411 m1sig = mono_method_signature (m1);
3413 if (!cmsig || !m1sig) {
3414 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3418 if (!strcmp(cm->name, m1->name) &&
3419 mono_metadata_signature_equal (cmsig, m1sig)) {
3421 /* CAS - SecurityAction.InheritanceDemand */
3422 if (security_enabled && (m1->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
3423 mono_secman_inheritancedemand_method (cm, m1);
3426 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3427 mono_security_core_clr_check_override (class, cm, m1);
3429 slot = mono_method_get_vtable_slot (m1);
3430 g_assert (cm->slot < max_vtsize);
3432 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3433 g_hash_table_insert (override_map, m1, cm);
3445 cm->slot = cur_slot++;
3447 if (!(cm->flags & METHOD_ATTRIBUTE_ABSTRACT))
3448 vtable [cm->slot] = cm;
3451 /* override non interface methods */
3452 for (i = 0; i < onum; i++) {
3453 MonoMethod *decl = overrides [i*2];
3454 if (!MONO_CLASS_IS_INTERFACE (decl->klass)) {
3455 g_assert (decl->slot != -1);
3456 vtable [decl->slot] = overrides [i*2 + 1];
3457 overrides [i * 2 + 1]->slot = decl->slot;
3459 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3460 g_hash_table_insert (override_map, decl, overrides [i * 2 + 1]);
3462 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3463 mono_security_core_clr_check_override (class, vtable [decl->slot], decl);
3468 * If a method occupies more than one place in the vtable, and it is
3469 * overriden, then change the other occurances too.
3472 for (i = 0; i < max_vtsize; ++i)
3474 MonoMethod *cm = g_hash_table_lookup (override_map, vtable [i]);
3479 g_hash_table_destroy (override_map);
3482 if (class->generic_class) {
3483 MonoClass *gklass = class->generic_class->container_class;
3485 mono_class_init (gklass);
3487 class->vtable_size = MAX (gklass->vtable_size, cur_slot);
3489 /* Check that the vtable_size value computed in mono_class_init () is correct */
3490 if (class->vtable_size)
3491 g_assert (cur_slot == class->vtable_size);
3492 class->vtable_size = cur_slot;
3495 /* Try to share the vtable with our parent. */
3496 if (class->parent && (class->parent->vtable_size == class->vtable_size) && (memcmp (class->parent->vtable, vtable, sizeof (gpointer) * class->vtable_size) == 0)) {
3497 mono_memory_barrier ();
3498 class->vtable = class->parent->vtable;
3500 MonoMethod **tmp = mono_image_alloc0 (class->image, sizeof (gpointer) * class->vtable_size);
3501 memcpy (tmp, vtable, sizeof (gpointer) * class->vtable_size);
3502 mono_memory_barrier ();
3503 class->vtable = tmp;
3506 DEBUG_INTERFACE_VTABLE (print_vtable_full (class, class->vtable, class->vtable_size, first_non_interface_slot, "FINALLY", FALSE));
3507 if (mono_print_vtable) {
3510 print_implemented_interfaces (class);
3512 for (i = 0; i <= max_iid; i++)
3513 if (MONO_CLASS_IMPLEMENTS_INTERFACE (class, i))
3516 printf ("VTable %s (vtable entries = %d, interfaces = %d)\n", mono_type_full_name (&class->byval_arg),
3517 class->vtable_size, icount);
3519 for (i = 0; i < class->vtable_size; ++i) {
3524 printf (" slot assigned: %03d, slot index: %03d %s\n", i, cm->slot,
3525 mono_method_full_name (cm, TRUE));
3531 printf ("Interfaces %s.%s (max_iid = %d)\n", class->name_space,
3532 class->name, max_iid);
3534 for (i = 0; i < class->interface_count; i++) {
3535 ic = class->interfaces [i];
3536 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3537 mono_class_interface_offset (class, ic),
3538 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3541 for (k = class->parent; k ; k = k->parent) {
3542 for (i = 0; i < k->interface_count; i++) {
3543 ic = k->interfaces [i];
3544 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3545 mono_class_interface_offset (class, ic),
3546 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3552 VERIFY_INTERFACE_VTABLE (mono_class_verify_vtable (class));
3556 * mono_method_get_vtable_slot:
3558 * Returns method->slot, computing it if neccesary.
3559 * LOCKING: Acquires the loader lock.
3562 mono_method_get_vtable_slot (MonoMethod *method)
3564 if (method->slot == -1) {
3565 mono_class_setup_vtable (method->klass);
3566 g_assert (method->slot != -1);
3568 return method->slot;
3572 * mono_method_get_vtable_index:
3575 * Returns the index into the runtime vtable to access the method or,
3576 * in the case of a virtual generic method, the virtual generic method
3580 mono_method_get_vtable_index (MonoMethod *method)
3582 if (method->is_inflated && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) {
3583 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
3584 if (imethod->declaring->is_generic)
3585 return mono_method_get_vtable_slot (imethod->declaring);
3587 return mono_method_get_vtable_slot (method);
3590 static MonoMethod *default_ghc = NULL;
3591 static MonoMethod *default_finalize = NULL;
3592 static int finalize_slot = -1;
3593 static int ghc_slot = -1;
3596 initialize_object_slots (MonoClass *class)
3601 if (class == mono_defaults.object_class) {
3602 mono_class_setup_vtable (class);
3603 for (i = 0; i < class->vtable_size; ++i) {
3604 MonoMethod *cm = class->vtable [i];
3606 if (!strcmp (cm->name, "GetHashCode"))
3608 else if (!strcmp (cm->name, "Finalize"))
3612 g_assert (ghc_slot > 0);
3613 default_ghc = class->vtable [ghc_slot];
3615 g_assert (finalize_slot > 0);
3616 default_finalize = class->vtable [finalize_slot];
3621 MonoMethod *array_method;
3623 } GenericArrayMethodInfo;
3625 static int generic_array_method_num = 0;
3626 static GenericArrayMethodInfo *generic_array_method_info = NULL;
3629 generic_array_methods (MonoClass *class)
3631 int i, count_generic = 0;
3632 GList *list = NULL, *tmp;
3633 if (generic_array_method_num)
3634 return generic_array_method_num;
3635 mono_class_setup_methods (class->parent);
3636 for (i = 0; i < class->parent->method.count; i++) {
3637 MonoMethod *m = class->parent->methods [i];
3638 if (!strncmp (m->name, "InternalArray__", 15)) {
3640 list = g_list_prepend (list, m);
3643 list = g_list_reverse (list);
3644 generic_array_method_info = g_malloc (sizeof (GenericArrayMethodInfo) * count_generic);
3646 for (tmp = list; tmp; tmp = tmp->next) {
3647 const char *mname, *iname;
3649 MonoMethod *m = tmp->data;
3650 generic_array_method_info [i].array_method = m;
3651 if (!strncmp (m->name, "InternalArray__ICollection_", 27)) {
3652 iname = "System.Collections.Generic.ICollection`1.";
3653 mname = m->name + 27;
3654 } else if (!strncmp (m->name, "InternalArray__IEnumerable_", 27)) {
3655 iname = "System.Collections.Generic.IEnumerable`1.";
3656 mname = m->name + 27;
3657 } else if (!strncmp (m->name, "InternalArray__", 15)) {
3658 iname = "System.Collections.Generic.IList`1.";
3659 mname = m->name + 15;
3661 g_assert_not_reached ();
3664 name = mono_image_alloc (mono_defaults.corlib, strlen (iname) + strlen (mname) + 1);
3665 strcpy (name, iname);
3666 strcpy (name + strlen (iname), mname);
3667 generic_array_method_info [i].name = name;
3670 /*g_print ("array generic methods: %d\n", count_generic);*/
3672 generic_array_method_num = count_generic;
3674 return generic_array_method_num;
3678 setup_generic_array_ifaces (MonoClass *class, MonoClass *iface, MonoMethod **methods, int pos)
3680 MonoGenericContext tmp_context;
3683 tmp_context.class_inst = NULL;
3684 tmp_context.method_inst = iface->generic_class->context.class_inst;
3685 //g_print ("setting up array interface: %s\n", mono_type_get_name_full (&iface->byval_arg, 0));
3687 for (i = 0; i < generic_array_method_num; i++) {
3688 MonoMethod *m = generic_array_method_info [i].array_method;
3689 MonoMethod *inflated;
3691 inflated = mono_class_inflate_generic_method (m, &tmp_context);
3692 methods [pos++] = mono_marshal_get_generic_array_helper (class, iface, generic_array_method_info [i].name, inflated);
3697 concat_two_strings_with_zero (MonoImage *image, const char *s1, const char *s2)
3699 int len = strlen (s1) + strlen (s2) + 2;
3700 char *s = mono_image_alloc (image, len);
3703 result = g_snprintf (s, len, "%s%c%s", s1, '\0', s2);
3704 g_assert (result == len - 1);
3710 set_failure_from_loader_error (MonoClass *class, MonoLoaderError *error)
3712 gpointer exception_data = NULL;
3714 switch (error->exception_type) {
3715 case MONO_EXCEPTION_TYPE_LOAD:
3716 exception_data = concat_two_strings_with_zero (class->image, error->class_name, error->assembly_name);
3719 case MONO_EXCEPTION_MISSING_METHOD:
3720 exception_data = concat_two_strings_with_zero (class->image, error->class_name, error->member_name);
3723 case MONO_EXCEPTION_MISSING_FIELD: {
3724 const char *name_space = error->klass->name_space ? error->klass->name_space : NULL;
3725 const char *class_name;
3728 class_name = g_strdup_printf ("%s.%s", name_space, error->klass->name);
3730 class_name = error->klass->name;
3732 exception_data = concat_two_strings_with_zero (class->image, class_name, error->member_name);
3735 g_free ((void*)class_name);
3739 case MONO_EXCEPTION_FILE_NOT_FOUND: {
3742 if (error->ref_only)
3743 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.";
3745 msg = "Could not load file or assembly '%s' or one of its dependencies.";
3747 exception_data = concat_two_strings_with_zero (class->image, msg, error->assembly_name);
3751 case MONO_EXCEPTION_BAD_IMAGE:
3752 exception_data = error->msg;
3756 g_assert_not_reached ();
3759 mono_class_set_failure (class, error->exception_type, exception_data);
3764 * @class: the class to initialize
3766 * Compute the instance_size, class_size and other infos that cannot be
3767 * computed at mono_class_get() time. Also compute vtable_size if possible.
3768 * Returns TRUE on success or FALSE if there was a problem in loading
3769 * the type (incorrect assemblies, missing assemblies, methods, etc).
3771 * LOCKING: Acquires the loader lock.
3774 mono_class_init (MonoClass *class)
3777 MonoCachedClassInfo cached_info;
3778 gboolean has_cached_info;
3779 int class_init_ok = TRUE;
3783 /* Double-checking locking pattern */
3785 return class->exception_type == MONO_EXCEPTION_NONE;
3787 /*g_print ("Init class %s\n", class->name);*/
3789 /* We do everything inside the lock to prevent races */
3790 mono_loader_lock ();
3792 if (class->inited) {
3793 mono_loader_unlock ();
3794 /* Somebody might have gotten in before us */
3795 return class->exception_type == MONO_EXCEPTION_NONE;
3798 if (class->init_pending) {
3799 mono_loader_unlock ();
3800 /* this indicates a cyclic dependency */
3801 g_error ("pending init %s.%s\n", class->name_space, class->name);
3804 class->init_pending = 1;
3806 /* CAS - SecurityAction.InheritanceDemand */
3807 if (mono_is_security_manager_active () && class->parent && (class->parent->flags & TYPE_ATTRIBUTE_HAS_SECURITY)) {
3808 mono_secman_inheritancedemand_class (class, class->parent);
3811 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3812 mono_security_core_clr_check_inheritance (class);
3814 mono_stats.initialized_class_count++;
3816 if (class->generic_class && !class->generic_class->is_dynamic) {
3817 MonoClass *gklass = class->generic_class->container_class;
3819 mono_stats.generic_class_count++;
3821 class->method = gklass->method;
3822 class->field = gklass->field;
3824 mono_class_init (gklass);
3825 // FIXME: Why is this needed ?
3826 mono_class_setup_methods (gklass);
3828 if (MONO_CLASS_IS_INTERFACE (class))
3829 class->interface_id = mono_get_unique_iid (class);
3832 if (class->parent && !class->parent->inited)
3833 mono_class_init (class->parent);
3835 has_cached_info = mono_class_get_cached_class_info (class, &cached_info);
3837 if (class->generic_class || class->image->dynamic || !class->type_token || (has_cached_info && !cached_info.has_nested_classes))
3838 class->nested_classes_inited = TRUE;
3841 * Computes the size used by the fields, and their locations
3843 if (has_cached_info) {
3844 class->instance_size = cached_info.instance_size;
3845 class->sizes.class_size = cached_info.class_size;
3846 class->packing_size = cached_info.packing_size;
3847 class->min_align = cached_info.min_align;
3848 class->blittable = cached_info.blittable;
3849 class->has_references = cached_info.has_references;
3850 class->has_static_refs = cached_info.has_static_refs;
3851 class->no_special_static_fields = cached_info.no_special_static_fields;
3854 if (!class->size_inited){
3855 mono_class_setup_fields (class);
3856 if (class->exception_type || mono_loader_get_last_error ()){
3857 class_init_ok = FALSE;
3862 /* Initialize arrays */
3864 class->method.count = 3 + (class->rank > 1? 2: 1);
3866 if (class->interface_count) {
3867 int count_generic = generic_array_methods (class);
3868 class->method.count += class->interface_count * count_generic;
3872 mono_class_setup_supertypes (class);
3875 initialize_object_slots (class);
3878 * Initialize the rest of the data without creating a generic vtable if possible.
3879 * If possible, also compute vtable_size, so mono_class_create_runtime_vtable () can
3880 * also avoid computing a generic vtable.
3882 if (has_cached_info) {
3884 class->vtable_size = cached_info.vtable_size;
3885 class->has_finalize = cached_info.has_finalize;
3886 class->ghcimpl = cached_info.ghcimpl;
3887 class->has_cctor = cached_info.has_cctor;
3888 } else if (class->rank == 1 && class->byval_arg.type == MONO_TYPE_SZARRAY) {
3889 static int szarray_vtable_size = 0;
3892 if (!szarray_vtable_size) {
3893 mono_class_setup_vtable (class);
3894 szarray_vtable_size = class->vtable_size;
3896 class->vtable_size = szarray_vtable_size;
3898 } else if (class->generic_class && !MONO_CLASS_IS_INTERFACE (class)) {
3899 MonoClass *gklass = class->generic_class->container_class;
3901 /* Generic instance case */
3902 class->ghcimpl = gklass->ghcimpl;
3903 class->has_finalize = gklass->has_finalize;
3904 class->has_cctor = gklass->has_cctor;
3906 mono_class_setup_vtable (gklass);
3907 if (gklass->exception_type)
3910 class->vtable_size = gklass->vtable_size;
3914 /* ghcimpl is not currently used
3916 if (class->parent) {
3917 MonoMethod *cmethod = class->vtable [ghc_slot];
3918 if (cmethod->is_inflated)
3919 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3920 if (cmethod == default_ghc) {
3926 /* Interfaces and valuetypes are not supposed to have finalizers */
3927 if (!(MONO_CLASS_IS_INTERFACE (class) || class->valuetype)) {
3928 MonoMethod *cmethod = NULL;
3930 if (class->parent && class->parent->has_finalize) {
3931 class->has_finalize = 1;
3933 if (class->type_token) {
3934 cmethod = find_method_in_metadata (class, "Finalize", 0, METHOD_ATTRIBUTE_VIRTUAL);
3935 } else if (class->parent) {
3936 /* FIXME: Optimize this */
3937 mono_class_setup_vtable (class);
3938 if (class->exception_type || mono_loader_get_last_error ())
3940 cmethod = class->vtable [finalize_slot];
3944 /* Check that this is really the finalizer method */
3945 mono_class_setup_vtable (class);
3946 if (class->exception_type || mono_loader_get_last_error ())
3949 class->has_finalize = 0;
3950 if (class->parent) {
3951 cmethod = class->vtable [finalize_slot];
3952 if (cmethod->is_inflated)
3953 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3954 if (cmethod != default_finalize) {
3955 class->has_finalize = 1;
3962 /* C# doesn't allow interfaces to have cctors */
3963 if (!MONO_CLASS_IS_INTERFACE (class) || class->image != mono_defaults.corlib) {
3964 MonoMethod *cmethod = NULL;
3966 if (class->type_token) {
3967 cmethod = find_method_in_metadata (class, ".cctor", 0, METHOD_ATTRIBUTE_SPECIAL_NAME);
3968 /* The find_method function ignores the 'flags' argument */
3969 if (cmethod && (cmethod->flags & METHOD_ATTRIBUTE_SPECIAL_NAME))
3970 class->has_cctor = 1;
3972 mono_class_setup_methods (class);
3974 for (i = 0; i < class->method.count; ++i) {
3975 MonoMethod *method = class->methods [i];
3976 if ((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3977 (strcmp (".cctor", method->name) == 0)) {
3978 class->has_cctor = 1;
3986 if (!mono_setup_vtable_in_class_init) {
3988 * This is an embedding API break, since the caller might assume that
3989 * mono_class_init () constructs a generic vtable, so vtable construction errors
3990 * are visible right after the mono_class_init (), and not after
3991 * mono_class_vtable ().
3993 if (class->parent) {
3994 /* This will compute class->parent->vtable_size for some classes */
3995 mono_class_init (class->parent);
3996 if (class->parent->exception_type || mono_loader_get_last_error ())
3998 if (!class->parent->vtable_size) {
3999 /* FIXME: Get rid of this somehow */
4000 mono_class_setup_vtable (class->parent);
4001 if (class->parent->exception_type || mono_loader_get_last_error ())
4004 setup_interface_offsets (class, class->parent->vtable_size);
4006 setup_interface_offsets (class, 0);
4009 mono_class_setup_vtable (class);
4011 if (MONO_CLASS_IS_INTERFACE (class))
4012 setup_interface_offsets (class, 0);
4015 if (mono_verifier_is_enabled_for_class (class) && !mono_verifier_verify_class (class)) {
4016 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, concat_two_strings_with_zero (class->image, class->name, class->image->assembly_name));
4017 class_init_ok = FALSE;
4023 class_init_ok = FALSE;
4026 /* Because of the double-checking locking pattern */
4027 mono_memory_barrier ();
4029 class->init_pending = 0;
4031 if (mono_loader_get_last_error ()) {
4032 if (class->exception_type == MONO_EXCEPTION_NONE)
4033 set_failure_from_loader_error (class, mono_loader_get_last_error ());
4035 mono_loader_clear_error ();
4038 mono_loader_unlock ();
4040 if (mono_debugger_class_init_func)
4041 mono_debugger_class_init_func (class);
4043 return class_init_ok;
4047 is_corlib_image (MonoImage *image)
4049 /* FIXME: allow the dynamic case for our compilers and with full trust */
4051 return image->assembly && !strcmp (image->assembly->aname.name, "mscorlib");
4053 return image == mono_defaults.corlib;
4057 * LOCKING: this assumes the loader lock is held
4060 mono_class_setup_mono_type (MonoClass *class)
4062 const char *name = class->name;
4063 const char *nspace = class->name_space;
4064 gboolean is_corlib = is_corlib_image (class->image);
4066 class->this_arg.byref = 1;
4067 class->this_arg.data.klass = class;
4068 class->this_arg.type = MONO_TYPE_CLASS;
4069 class->byval_arg.data.klass = class;
4070 class->byval_arg.type = MONO_TYPE_CLASS;
4072 if (is_corlib && !strcmp (nspace, "System")) {
4073 if (!strcmp (name, "ValueType")) {
4075 * do not set the valuetype bit for System.ValueType.
4076 * class->valuetype = 1;
4078 class->blittable = TRUE;
4079 } else if (!strcmp (name, "Enum")) {
4081 * do not set the valuetype bit for System.Enum.
4082 * class->valuetype = 1;
4084 class->valuetype = 0;
4085 class->enumtype = 0;
4086 } else if (!strcmp (name, "Object")) {
4087 class->this_arg.type = class->byval_arg.type = MONO_TYPE_OBJECT;
4088 } else if (!strcmp (name, "String")) {
4089 class->this_arg.type = class->byval_arg.type = MONO_TYPE_STRING;
4090 } else if (!strcmp (name, "TypedReference")) {
4091 class->this_arg.type = class->byval_arg.type = MONO_TYPE_TYPEDBYREF;
4095 if (class->valuetype) {
4096 int t = MONO_TYPE_VALUETYPE;
4098 if (is_corlib && !strcmp (nspace, "System")) {
4101 if (!strcmp (name, "Boolean")) {
4102 t = MONO_TYPE_BOOLEAN;
4103 } else if (!strcmp(name, "Byte")) {
4105 class->blittable = TRUE;
4109 if (!strcmp (name, "Char")) {
4114 if (!strcmp (name, "Double")) {
4116 class->blittable = TRUE;
4120 if (!strcmp (name, "Int32")) {
4122 class->blittable = TRUE;
4123 } else if (!strcmp(name, "Int16")) {
4125 class->blittable = TRUE;
4126 } else if (!strcmp(name, "Int64")) {
4128 class->blittable = TRUE;
4129 } else if (!strcmp(name, "IntPtr")) {
4131 class->blittable = TRUE;
4135 if (!strcmp (name, "Single")) {
4137 class->blittable = TRUE;
4138 } else if (!strcmp(name, "SByte")) {
4140 class->blittable = TRUE;
4144 if (!strcmp (name, "UInt32")) {
4146 class->blittable = TRUE;
4147 } else if (!strcmp(name, "UInt16")) {
4149 class->blittable = TRUE;
4150 } else if (!strcmp(name, "UInt64")) {
4152 class->blittable = TRUE;
4153 } else if (!strcmp(name, "UIntPtr")) {
4155 class->blittable = TRUE;
4159 if (!strcmp (name, "TypedReference")) {
4160 t = MONO_TYPE_TYPEDBYREF;
4161 class->blittable = TRUE;
4165 if (!strcmp (name, "Void")) {
4173 class->this_arg.type = class->byval_arg.type = t;
4176 if (MONO_CLASS_IS_INTERFACE (class))
4177 class->interface_id = mono_get_unique_iid (class);
4182 * LOCKING: this assumes the loader lock is held
4185 mono_class_setup_parent (MonoClass *class, MonoClass *parent)
4187 gboolean system_namespace;
4188 gboolean is_corlib = is_corlib_image (class->image);
4190 system_namespace = !strcmp (class->name_space, "System") && is_corlib;
4192 /* if root of the hierarchy */
4193 if (system_namespace && !strcmp (class->name, "Object")) {
4194 class->parent = NULL;
4195 class->instance_size = sizeof (MonoObject);
4198 if (!strcmp (class->name, "<Module>")) {
4199 class->parent = NULL;
4200 class->instance_size = 0;
4204 if (!MONO_CLASS_IS_INTERFACE (class)) {
4205 /* Imported COM Objects always derive from __ComObject. */
4206 if (MONO_CLASS_IS_IMPORT (class)) {
4207 mono_init_com_types ();
4208 if (parent == mono_defaults.object_class)
4209 parent = mono_defaults.com_object_class;
4212 /* set the parent to something useful and safe, but mark the type as broken */
4213 parent = mono_defaults.object_class;
4214 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
4217 class->parent = parent;
4219 if (parent->generic_class && !parent->name) {
4221 * If the parent is a generic instance, we may get
4222 * called before it is fully initialized, especially
4223 * before it has its name.
4228 class->marshalbyref = parent->marshalbyref;
4229 class->contextbound = parent->contextbound;
4230 class->delegate = parent->delegate;
4231 if (MONO_CLASS_IS_IMPORT (class))
4232 class->is_com_object = 1;
4234 class->is_com_object = parent->is_com_object;
4236 if (system_namespace) {
4237 if (*class->name == 'M' && !strcmp (class->name, "MarshalByRefObject"))
4238 class->marshalbyref = 1;
4240 if (*class->name == 'C' && !strcmp (class->name, "ContextBoundObject"))
4241 class->contextbound = 1;
4243 if (*class->name == 'D' && !strcmp (class->name, "Delegate"))
4244 class->delegate = 1;
4247 if (class->parent->enumtype || (is_corlib_image (class->parent->image) && (strcmp (class->parent->name, "ValueType") == 0) &&
4248 (strcmp (class->parent->name_space, "System") == 0)))
4249 class->valuetype = 1;
4250 if (is_corlib_image (class->parent->image) && ((strcmp (class->parent->name, "Enum") == 0) && (strcmp (class->parent->name_space, "System") == 0))) {
4251 class->valuetype = class->enumtype = 1;
4253 /*class->enumtype = class->parent->enumtype; */
4254 mono_class_setup_supertypes (class);
4256 /* initialize com types if COM interfaces are present */
4257 if (MONO_CLASS_IS_IMPORT (class))
4258 mono_init_com_types ();
4259 class->parent = NULL;
4265 * mono_class_setup_supertypes:
4268 * Build the data structure needed to make fast type checks work.
4269 * This currently sets two fields in @class:
4270 * - idepth: distance between @class and System.Object in the type
4272 * - supertypes: array of classes: each element has a class in the hierarchy
4273 * starting from @class up to System.Object
4275 * LOCKING: this assumes the loader lock is held
4278 mono_class_setup_supertypes (MonoClass *class)
4282 if (class->supertypes)
4285 if (class->parent && !class->parent->supertypes)
4286 mono_class_setup_supertypes (class->parent);
4288 class->idepth = class->parent->idepth + 1;
4292 ms = MAX (MONO_DEFAULT_SUPERTABLE_SIZE, class->idepth);
4293 class->supertypes = mono_image_alloc0 (class->image, sizeof (MonoClass *) * ms);
4295 if (class->parent) {
4296 class->supertypes [class->idepth - 1] = class;
4297 memcpy (class->supertypes, class->parent->supertypes, class->parent->idepth * sizeof (gpointer));
4299 class->supertypes [0] = class;
4304 * mono_class_create_from_typedef:
4305 * @image: image where the token is valid
4306 * @type_token: typedef token
4308 * Create the MonoClass* representing the specified type token.
4309 * @type_token must be a TypeDef token.
4312 mono_class_create_from_typedef (MonoImage *image, guint32 type_token)
4314 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
4315 MonoClass *class, *parent = NULL;
4316 guint32 cols [MONO_TYPEDEF_SIZE];
4317 guint32 cols_next [MONO_TYPEDEF_SIZE];
4318 guint tidx = mono_metadata_token_index (type_token);
4319 MonoGenericContext *context = NULL;
4320 const char *name, *nspace;
4322 MonoClass **interfaces;
4323 guint32 field_last, method_last;
4324 guint32 nesting_tokeen;
4326 mono_loader_lock ();
4328 if ((class = mono_internal_hash_table_lookup (&image->class_cache, GUINT_TO_POINTER (type_token)))) {
4329 mono_loader_unlock ();
4333 g_assert (mono_metadata_token_table (type_token) == MONO_TABLE_TYPEDEF);
4335 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
4337 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
4338 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
4340 class = mono_image_alloc0 (image, sizeof (MonoClass));
4343 class->name_space = nspace;
4345 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
4347 class->image = image;
4348 class->type_token = type_token;
4349 class->flags = cols [MONO_TYPEDEF_FLAGS];
4351 mono_internal_hash_table_insert (&image->class_cache, GUINT_TO_POINTER (type_token), class);
4353 classes_size += sizeof (MonoClass);
4356 * Check whether we're a generic type definition.
4358 class->generic_container = mono_metadata_load_generic_params (image, class->type_token, NULL);
4359 if (class->generic_container) {
4360 class->is_generic = 1;
4361 class->generic_container->owner.klass = class;
4362 context = &class->generic_container->context;
4365 if (cols [MONO_TYPEDEF_EXTENDS]) {
4366 guint32 parent_token = mono_metadata_token_from_dor (cols [MONO_TYPEDEF_EXTENDS]);
4368 if (mono_metadata_token_table (parent_token) == MONO_TABLE_TYPESPEC) {
4369 /*WARNING: this must satisfy mono_metadata_type_hash*/
4370 class->this_arg.byref = 1;
4371 class->this_arg.data.klass = class;
4372 class->this_arg.type = MONO_TYPE_CLASS;
4373 class->byval_arg.data.klass = class;
4374 class->byval_arg.type = MONO_TYPE_CLASS;
4376 parent = mono_class_get_full (image, parent_token, context);
4378 if (parent == NULL){
4379 mono_internal_hash_table_remove (&image->class_cache, GUINT_TO_POINTER (type_token));
4380 mono_loader_unlock ();
4381 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4386 /* do this early so it's available for interfaces in setup_mono_type () */
4387 if ((nesting_tokeen = mono_metadata_nested_in_typedef (image, type_token)))
4388 class->nested_in = mono_class_create_from_typedef (image, nesting_tokeen);
4390 mono_class_setup_parent (class, parent);
4392 /* uses ->valuetype, which is initialized by mono_class_setup_parent above */
4393 mono_class_setup_mono_type (class);
4395 if (!class->enumtype) {
4396 if (!mono_metadata_interfaces_from_typedef_full (
4397 image, type_token, &interfaces, &icount, FALSE, context)){
4398 mono_loader_unlock ();
4399 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4403 class->interfaces = interfaces;
4404 class->interface_count = icount;
4405 class->interfaces_inited = 1;
4408 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_UNICODE_CLASS)
4412 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_AUTO_CLASS)
4416 class->cast_class = class->element_class = class;
4418 /*g_print ("Load class %s\n", name);*/
4421 * Compute the field and method lists
4423 class->field.first = cols [MONO_TYPEDEF_FIELD_LIST] - 1;
4424 class->method.first = cols [MONO_TYPEDEF_METHOD_LIST] - 1;
4426 if (tt->rows > tidx){
4427 mono_metadata_decode_row (tt, tidx, cols_next, MONO_TYPEDEF_SIZE);
4428 field_last = cols_next [MONO_TYPEDEF_FIELD_LIST] - 1;
4429 method_last = cols_next [MONO_TYPEDEF_METHOD_LIST] - 1;
4431 field_last = image->tables [MONO_TABLE_FIELD].rows;
4432 method_last = image->tables [MONO_TABLE_METHOD].rows;
4435 if (cols [MONO_TYPEDEF_FIELD_LIST] &&
4436 cols [MONO_TYPEDEF_FIELD_LIST] <= image->tables [MONO_TABLE_FIELD].rows)
4437 class->field.count = field_last - class->field.first;
4439 class->field.count = 0;
4441 if (cols [MONO_TYPEDEF_METHOD_LIST] <= image->tables [MONO_TABLE_METHOD].rows)
4442 class->method.count = method_last - class->method.first;
4444 class->method.count = 0;
4446 /* reserve space to store vector pointer in arrays */
4447 if (is_corlib_image (image) && !strcmp (nspace, "System") && !strcmp (name, "Array")) {
4448 class->instance_size += 2 * sizeof (gpointer);
4449 g_assert (class->field.count == 0);
4452 if (class->enumtype) {
4453 MonoType *enum_basetype = mono_class_find_enum_basetype (class);
4454 if (!enum_basetype) {
4455 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
4456 mono_loader_unlock ();
4457 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4460 class->cast_class = class->element_class = mono_class_from_mono_type (enum_basetype);
4464 * If we're a generic type definition, load the constraints.
4465 * We must do this after the class has been constructed to make certain recursive scenarios
4468 if (class->generic_container && !mono_metadata_load_generic_param_constraints_full (image, type_token, class->generic_container)){
4469 char *class_name = g_strdup_printf("%s.%s", class->name_space, class->name);
4470 char *error = concat_two_strings_with_zero (class->image, class_name, class->image->assembly_name);
4471 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, error);
4472 g_free (class_name);
4473 mono_loader_unlock ();
4474 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4478 if (class->image->assembly_name && !strcmp (class->image->assembly_name, "Mono.Simd") && !strcmp (nspace, "Mono.Simd")) {
4479 if (!strncmp (name, "Vector", 6))
4480 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");
4483 mono_loader_unlock ();
4485 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
4490 /** is klass Nullable<T>? */
4492 mono_class_is_nullable (MonoClass *klass)
4494 return klass->generic_class != NULL &&
4495 klass->generic_class->container_class == mono_defaults.generic_nullable_class;
4499 /** if klass is T? return T */
4501 mono_class_get_nullable_param (MonoClass *klass)
4503 g_assert (mono_class_is_nullable (klass));
4504 return mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4508 * Create the `MonoClass' for an instantiation of a generic type.
4509 * We only do this if we actually need it.
4512 mono_generic_class_get_class (MonoGenericClass *gclass)
4514 MonoClass *klass, *gklass;
4516 mono_loader_lock ();
4517 if (gclass->cached_class) {
4518 mono_loader_unlock ();
4519 return gclass->cached_class;
4522 gclass->cached_class = g_malloc0 (sizeof (MonoClass));
4523 klass = gclass->cached_class;
4525 gklass = gclass->container_class;
4527 if (gklass->nested_in) {
4529 * FIXME: the nested type context should include everything the
4530 * nesting context should have, but it may also have additional
4531 * generic parameters...
4533 klass->nested_in = mono_class_inflate_generic_class (gklass->nested_in,
4534 mono_generic_class_get_context (gclass));
4537 klass->name = gklass->name;
4538 klass->name_space = gklass->name_space;
4540 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4542 klass->image = gklass->image;
4543 klass->flags = gklass->flags;
4544 klass->type_token = gklass->type_token;
4545 klass->field.count = gklass->field.count;
4547 klass->is_inflated = 1;
4548 klass->generic_class = gclass;
4550 klass->this_arg.type = klass->byval_arg.type = MONO_TYPE_GENERICINST;
4551 klass->this_arg.data.generic_class = klass->byval_arg.data.generic_class = gclass;
4552 klass->this_arg.byref = TRUE;
4553 klass->enumtype = gklass->enumtype;
4554 klass->valuetype = gklass->valuetype;
4556 klass->cast_class = klass->element_class = klass;
4558 if (mono_class_is_nullable (klass))
4559 klass->cast_class = klass->element_class = mono_class_get_nullable_param (klass);
4562 * We're not interested in the nested classes of a generic instance.
4563 * We use the generic type definition to look for nested classes.
4566 if (gklass->parent) {
4567 klass->parent = mono_class_inflate_generic_class (gklass->parent, mono_generic_class_get_context (gclass));
4571 mono_class_setup_parent (klass, klass->parent);
4573 if (klass->enumtype) {
4574 klass->cast_class = gklass->cast_class;
4575 klass->element_class = gklass->element_class;
4578 if (gclass->is_dynamic) {
4581 mono_class_setup_supertypes (klass);
4583 if (klass->enumtype) {
4585 * For enums, gklass->fields might not been set, but instance_size etc. is
4586 * already set in mono_reflection_create_internal_class (). For non-enums,
4587 * these will be computed normally in mono_class_layout_fields ().
4589 klass->instance_size = gklass->instance_size;
4590 klass->sizes.class_size = gklass->sizes.class_size;
4591 klass->size_inited = 1;
4595 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4597 inflated_classes ++;
4598 inflated_classes_size += sizeof (MonoClass);
4600 mono_loader_unlock ();
4606 make_generic_param_class (MonoGenericParam *param, MonoImage *image, gboolean is_mvar, MonoGenericParamInfo *pinfo)
4608 MonoClass *klass, **ptr;
4613 image = mono_defaults.corlib;
4615 klass = mono_image_alloc0 (image, sizeof (MonoClass));
4616 classes_size += sizeof (MonoClass);
4619 klass->name = pinfo->name;
4621 int n = mono_generic_param_num (param);
4622 klass->name = mono_image_alloc0 (image, 16);
4623 sprintf ((char*)klass->name, "%d", n);
4626 klass->name_space = "";
4627 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4631 for (ptr = pinfo->constraints; ptr && *ptr; ptr++, count++)
4635 if ((count > 0) && !MONO_CLASS_IS_INTERFACE (pinfo->constraints [0])) {
4636 klass->parent = pinfo->constraints [0];
4638 } else if (pinfo && pinfo->flags & GENERIC_PARAMETER_ATTRIBUTE_VALUE_TYPE_CONSTRAINT)
4639 klass->parent = mono_class_from_name (mono_defaults.corlib, "System", "ValueType");
4641 klass->parent = mono_defaults.object_class;
4644 if (count - pos > 0) {
4645 klass->interface_count = count - pos;
4646 klass->interfaces = mono_image_alloc0 (image, sizeof (MonoClass *) * (count - pos));
4647 for (i = pos; i < count; i++)
4648 klass->interfaces [i - pos] = pinfo->constraints [i];
4651 klass->image = image;
4653 klass->inited = TRUE;
4654 klass->cast_class = klass->element_class = klass;
4655 klass->flags = TYPE_ATTRIBUTE_PUBLIC;
4657 klass->this_arg.type = klass->byval_arg.type = is_mvar ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
4658 klass->this_arg.data.generic_param = klass->byval_arg.data.generic_param = param;
4659 klass->this_arg.byref = TRUE;
4661 /* FIXME: shouldn't this be ->type_token? */
4662 klass->sizes.generic_param_token = pinfo ? pinfo->token : 0;
4664 mono_class_setup_supertypes (klass);
4669 #define FAST_CACHE_SIZE 1024
4670 static MonoClass *var_cache_fast [FAST_CACHE_SIZE];
4671 static MonoClass *mvar_cache_fast [FAST_CACHE_SIZE];
4672 static GHashTable *var_cache_slow;
4673 static GHashTable *mvar_cache_slow;
4676 get_anon_gparam_class (MonoGenericParam *param, gboolean is_mvar)
4678 int n = mono_generic_param_num (param);
4681 if (n < FAST_CACHE_SIZE)
4682 return (is_mvar ? mvar_cache_fast : var_cache_fast) [n];
4683 ht = is_mvar ? mvar_cache_slow : var_cache_slow;
4684 return ht ? g_hash_table_lookup (ht, GINT_TO_POINTER (n)) : NULL;
4688 set_anon_gparam_class (MonoGenericParam *param, gboolean is_mvar, MonoClass *klass)
4690 int n = mono_generic_param_num (param);
4693 if (n < FAST_CACHE_SIZE) {
4694 (is_mvar ? mvar_cache_fast : var_cache_fast) [n] = klass;
4697 ht = is_mvar ? mvar_cache_slow : var_cache_slow;
4699 ht = g_hash_table_new (NULL, NULL);
4701 mvar_cache_slow = ht;
4703 var_cache_slow = ht;
4706 g_hash_table_insert (ht, GINT_TO_POINTER (n), klass);
4710 * LOCKING: Acquires the loader lock.
4713 mono_class_from_generic_parameter (MonoGenericParam *param, MonoImage *image, gboolean is_mvar)
4715 MonoGenericContainer *container = mono_generic_param_owner (param);
4716 MonoGenericParamInfo *pinfo;
4719 mono_loader_lock ();
4722 pinfo = mono_generic_param_info (param);
4723 if (pinfo->pklass) {
4724 mono_loader_unlock ();
4725 return pinfo->pklass;
4731 klass = get_anon_gparam_class (param, is_mvar);
4733 mono_loader_unlock ();
4738 if (!image && container) {
4740 MonoMethod *method = container->owner.method;
4741 image = (method && method->klass) ? method->klass->image : NULL;
4743 MonoClass *klass = container->owner.klass;
4744 // FIXME: 'klass' should not be null
4745 // But, monodis creates GenericContainers without associating a owner to it
4746 image = klass ? klass->image : NULL;
4750 klass = make_generic_param_class (param, image, is_mvar, pinfo);
4752 mono_memory_barrier ();
4755 pinfo->pklass = klass;
4757 set_anon_gparam_class (param, is_mvar, klass);
4759 mono_loader_unlock ();
4761 /* FIXME: Should this go inside 'make_generic_param_klass'? */
4762 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4768 mono_ptr_class_get (MonoType *type)
4771 MonoClass *el_class;
4775 el_class = mono_class_from_mono_type (type);
4776 image = el_class->image;
4778 mono_loader_lock ();
4780 if (!image->ptr_cache)
4781 image->ptr_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
4783 if ((result = g_hash_table_lookup (image->ptr_cache, el_class))) {
4784 mono_loader_unlock ();
4787 result = mono_image_alloc0 (image, sizeof (MonoClass));
4789 classes_size += sizeof (MonoClass);
4791 result->parent = NULL; /* no parent for PTR types */
4792 result->name_space = el_class->name_space;
4793 name = g_strdup_printf ("%s*", el_class->name);
4794 result->name = mono_image_strdup (image, name);
4797 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4799 result->image = el_class->image;
4800 result->inited = TRUE;
4801 result->flags = TYPE_ATTRIBUTE_CLASS | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
4802 /* Can pointers get boxed? */
4803 result->instance_size = sizeof (gpointer);
4804 result->cast_class = result->element_class = el_class;
4805 result->blittable = TRUE;
4807 result->this_arg.type = result->byval_arg.type = MONO_TYPE_PTR;
4808 result->this_arg.data.type = result->byval_arg.data.type = &result->element_class->byval_arg;
4809 result->this_arg.byref = TRUE;
4811 mono_class_setup_supertypes (result);
4813 g_hash_table_insert (image->ptr_cache, el_class, result);
4815 mono_loader_unlock ();
4817 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4823 mono_fnptr_class_get (MonoMethodSignature *sig)
4826 static GHashTable *ptr_hash = NULL;
4828 /* FIXME: These should be allocate from a mempool as well, but which one ? */
4830 mono_loader_lock ();
4833 ptr_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4835 if ((result = g_hash_table_lookup (ptr_hash, sig))) {
4836 mono_loader_unlock ();
4839 result = g_new0 (MonoClass, 1);
4841 result->parent = NULL; /* no parent for PTR types */
4842 result->name_space = "System";
4843 result->name = "MonoFNPtrFakeClass";
4845 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4847 result->image = mono_defaults.corlib; /* need to fix... */
4848 result->inited = TRUE;
4849 result->flags = TYPE_ATTRIBUTE_CLASS; /* | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK); */
4850 /* Can pointers get boxed? */
4851 result->instance_size = sizeof (gpointer);
4852 result->cast_class = result->element_class = result;
4853 result->blittable = TRUE;
4855 result->this_arg.type = result->byval_arg.type = MONO_TYPE_FNPTR;
4856 result->this_arg.data.method = result->byval_arg.data.method = sig;
4857 result->this_arg.byref = TRUE;
4858 result->blittable = TRUE;
4860 mono_class_setup_supertypes (result);
4862 g_hash_table_insert (ptr_hash, sig, result);
4864 mono_loader_unlock ();
4866 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4872 mono_class_from_mono_type (MonoType *type)
4874 switch (type->type) {
4875 case MONO_TYPE_OBJECT:
4876 return type->data.klass? type->data.klass: mono_defaults.object_class;
4877 case MONO_TYPE_VOID:
4878 return type->data.klass? type->data.klass: mono_defaults.void_class;
4879 case MONO_TYPE_BOOLEAN:
4880 return type->data.klass? type->data.klass: mono_defaults.boolean_class;
4881 case MONO_TYPE_CHAR:
4882 return type->data.klass? type->data.klass: mono_defaults.char_class;
4884 return type->data.klass? type->data.klass: mono_defaults.sbyte_class;
4886 return type->data.klass? type->data.klass: mono_defaults.byte_class;
4888 return type->data.klass? type->data.klass: mono_defaults.int16_class;
4890 return type->data.klass? type->data.klass: mono_defaults.uint16_class;
4892 return type->data.klass? type->data.klass: mono_defaults.int32_class;
4894 return type->data.klass? type->data.klass: mono_defaults.uint32_class;
4896 return type->data.klass? type->data.klass: mono_defaults.int_class;
4898 return type->data.klass? type->data.klass: mono_defaults.uint_class;
4900 return type->data.klass? type->data.klass: mono_defaults.int64_class;
4902 return type->data.klass? type->data.klass: mono_defaults.uint64_class;
4904 return type->data.klass? type->data.klass: mono_defaults.single_class;
4906 return type->data.klass? type->data.klass: mono_defaults.double_class;
4907 case MONO_TYPE_STRING:
4908 return type->data.klass? type->data.klass: mono_defaults.string_class;
4909 case MONO_TYPE_TYPEDBYREF:
4910 return type->data.klass? type->data.klass: mono_defaults.typed_reference_class;
4911 case MONO_TYPE_ARRAY:
4912 return mono_bounded_array_class_get (type->data.array->eklass, type->data.array->rank, TRUE);
4914 return mono_ptr_class_get (type->data.type);
4915 case MONO_TYPE_FNPTR:
4916 return mono_fnptr_class_get (type->data.method);
4917 case MONO_TYPE_SZARRAY:
4918 return mono_array_class_get (type->data.klass, 1);
4919 case MONO_TYPE_CLASS:
4920 case MONO_TYPE_VALUETYPE:
4921 return type->data.klass;
4922 case MONO_TYPE_GENERICINST:
4923 return mono_generic_class_get_class (type->data.generic_class);
4925 return mono_class_from_generic_parameter (type->data.generic_param, NULL, FALSE);
4926 case MONO_TYPE_MVAR:
4927 return mono_class_from_generic_parameter (type->data.generic_param, NULL, TRUE);
4929 g_warning ("mono_class_from_mono_type: implement me 0x%02x\n", type->type);
4930 g_assert_not_reached ();
4937 * mono_type_retrieve_from_typespec
4938 * @image: context where the image is created
4939 * @type_spec: typespec token
4940 * @context: the generic context used to evaluate generic instantiations in
4943 mono_type_retrieve_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context, gboolean *did_inflate)
4945 MonoType *t = mono_type_create_from_typespec (image, type_spec);
4948 if (context && (context->class_inst || context->method_inst)) {
4949 MonoType *inflated = inflate_generic_type (NULL, t, context);
4952 *did_inflate = TRUE;
4959 * mono_class_create_from_typespec
4960 * @image: context where the image is created
4961 * @type_spec: typespec token
4962 * @context: the generic context used to evaluate generic instantiations in
4965 mono_class_create_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context)
4968 gboolean inflated = FALSE;
4969 MonoType *t = mono_type_retrieve_from_typespec (image, type_spec, context, &inflated);
4972 ret = mono_class_from_mono_type (t);
4974 mono_metadata_free_type (t);
4979 * mono_bounded_array_class_get:
4980 * @element_class: element class
4981 * @rank: the dimension of the array class
4982 * @bounded: whenever the array has non-zero bounds
4984 * Returns: a class object describing the array with element type @element_type and
4988 mono_bounded_array_class_get (MonoClass *eclass, guint32 rank, gboolean bounded)
4992 MonoClass *parent = NULL;
4993 GSList *list, *rootlist = NULL;
4996 gboolean corlib_type = FALSE;
4998 g_assert (rank <= 255);
5001 /* bounded only matters for one-dimensional arrays */
5004 image = eclass->image;
5006 if (rank == 1 && !bounded) {
5008 * This case is very frequent not just during compilation because of calls
5009 * from mono_class_from_mono_type (), mono_array_new (),
5010 * Array:CreateInstance (), etc, so use a separate cache + a separate lock.
5012 EnterCriticalSection (&image->szarray_cache_lock);
5013 if (!image->szarray_cache)
5014 image->szarray_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
5015 class = g_hash_table_lookup (image->szarray_cache, eclass);
5016 LeaveCriticalSection (&image->szarray_cache_lock);
5020 mono_loader_lock ();
5022 mono_loader_lock ();
5024 if (!image->array_cache)
5025 image->array_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
5027 if ((rootlist = list = g_hash_table_lookup (image->array_cache, eclass))) {
5028 for (; list; list = list->next) {
5030 if ((class->rank == rank) && (class->byval_arg.type == (((rank > 1) || bounded) ? MONO_TYPE_ARRAY : MONO_TYPE_SZARRAY))) {
5031 mono_loader_unlock ();
5038 /* for the building corlib use System.Array from it */
5039 if (image->assembly && image->assembly->dynamic && image->assembly_name && strcmp (image->assembly_name, "mscorlib") == 0) {
5040 parent = mono_class_from_name (image, "System", "Array");
5043 parent = mono_defaults.array_class;
5044 if (!parent->inited)
5045 mono_class_init (parent);
5048 class = mono_image_alloc0 (image, sizeof (MonoClass));
5050 class->image = image;
5051 class->name_space = eclass->name_space;
5052 nsize = strlen (eclass->name);
5053 name = g_malloc (nsize + 2 + rank + 1);
5054 memcpy (name, eclass->name, nsize);
5057 memset (name + nsize + 1, ',', rank - 1);
5059 name [nsize + rank] = '*';
5060 name [nsize + rank + bounded] = ']';
5061 name [nsize + rank + bounded + 1] = 0;
5062 class->name = mono_image_strdup (image, name);
5065 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
5067 classes_size += sizeof (MonoClass);
5069 class->type_token = 0;
5070 /* all arrays are marked serializable and sealed, bug #42779 */
5071 class->flags = TYPE_ATTRIBUTE_CLASS | TYPE_ATTRIBUTE_SERIALIZABLE | TYPE_ATTRIBUTE_SEALED |
5072 (eclass->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
5073 class->parent = parent;
5074 class->instance_size = mono_class_instance_size (class->parent);
5076 if (eclass->enumtype && !mono_class_enum_basetype (eclass)) {
5077 if (!eclass->reflection_info || eclass->wastypebuilder) {
5078 g_warning ("Only incomplete TypeBuilder objects are allowed to be an enum without base_type");
5079 g_assert (eclass->reflection_info && !eclass->wastypebuilder);
5081 /* element_size -1 is ok as this is not an instantitable type*/
5082 class->sizes.element_size = -1;
5084 class->sizes.element_size = mono_class_array_element_size (eclass);
5086 mono_class_setup_supertypes (class);
5088 if (eclass->generic_class)
5089 mono_class_init (eclass);
5090 if (!eclass->size_inited)
5091 mono_class_setup_fields (eclass);
5092 class->has_references = MONO_TYPE_IS_REFERENCE (&eclass->byval_arg) || eclass->has_references? TRUE: FALSE;
5096 if (eclass->enumtype)
5097 class->cast_class = eclass->element_class;
5099 class->cast_class = eclass;
5101 class->element_class = eclass;
5103 if ((rank > 1) || bounded) {
5104 MonoArrayType *at = mono_image_alloc0 (image, sizeof (MonoArrayType));
5105 class->byval_arg.type = MONO_TYPE_ARRAY;
5106 class->byval_arg.data.array = at;
5107 at->eklass = eclass;
5109 /* FIXME: complete.... */
5111 class->byval_arg.type = MONO_TYPE_SZARRAY;
5112 class->byval_arg.data.klass = eclass;
5114 class->this_arg = class->byval_arg;
5115 class->this_arg.byref = 1;
5120 class->generic_container = eclass->generic_container;
5122 if (rank == 1 && !bounded) {
5123 MonoClass *prev_class;
5125 EnterCriticalSection (&image->szarray_cache_lock);
5126 prev_class = g_hash_table_lookup (image->szarray_cache, eclass);
5128 /* Someone got in before us */
5131 g_hash_table_insert (image->szarray_cache, eclass, class);
5132 LeaveCriticalSection (&image->szarray_cache_lock);
5134 list = g_slist_append (rootlist, class);
5135 g_hash_table_insert (image->array_cache, eclass, list);
5138 mono_loader_unlock ();
5140 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
5146 * mono_array_class_get:
5147 * @element_class: element class
5148 * @rank: the dimension of the array class
5150 * Returns: a class object describing the array with element type @element_type and
5154 mono_array_class_get (MonoClass *eclass, guint32 rank)
5156 return mono_bounded_array_class_get (eclass, rank, FALSE);
5160 * mono_class_instance_size:
5163 * Returns: the size of an object instance
5166 mono_class_instance_size (MonoClass *klass)
5168 if (!klass->size_inited)
5169 mono_class_init (klass);
5171 return klass->instance_size;
5175 * mono_class_min_align:
5178 * Returns: minimm alignment requirements
5181 mono_class_min_align (MonoClass *klass)
5183 if (!klass->size_inited)
5184 mono_class_init (klass);
5186 return klass->min_align;
5190 * mono_class_value_size:
5193 * This function is used for value types, and return the
5194 * space and the alignment to store that kind of value object.
5196 * Returns: the size of a value of kind @klass
5199 mono_class_value_size (MonoClass *klass, guint32 *align)
5203 /* fixme: check disable, because we still have external revereces to
5204 * mscorlib and Dummy Objects
5206 /*g_assert (klass->valuetype);*/
5208 size = mono_class_instance_size (klass) - sizeof (MonoObject);
5211 *align = klass->min_align;
5217 * mono_class_data_size:
5220 * Returns: the size of the static class data
5223 mono_class_data_size (MonoClass *klass)
5226 mono_class_init (klass);
5228 /* in arrays, sizes.class_size is unioned with element_size
5229 * and arrays have no static fields
5233 return klass->sizes.class_size;
5237 * Auxiliary routine to mono_class_get_field
5239 * Takes a field index instead of a field token.
5241 static MonoClassField *
5242 mono_class_get_field_idx (MonoClass *class, int idx)
5244 mono_class_setup_fields_locking (class);
5247 if (class->image->uncompressed_metadata) {
5249 * class->field.first points to the FieldPtr table, while idx points into the
5250 * Field table, so we have to do a search.
5252 /*FIXME this is broken for types with multiple fields with the same name.*/
5253 const char *name = mono_metadata_string_heap (class->image, mono_metadata_decode_row_col (&class->image->tables [MONO_TABLE_FIELD], idx, MONO_FIELD_NAME));
5256 for (i = 0; i < class->field.count; ++i)
5257 if (mono_field_get_name (&class->fields [i]) == name)
5258 return &class->fields [i];
5259 g_assert_not_reached ();
5261 if (class->field.count) {
5262 if ((idx >= class->field.first) && (idx < class->field.first + class->field.count)){
5263 return &class->fields [idx - class->field.first];
5267 class = class->parent;
5273 * mono_class_get_field:
5274 * @class: the class to lookup the field.
5275 * @field_token: the field token
5277 * Returns: A MonoClassField representing the type and offset of
5278 * the field, or a NULL value if the field does not belong to this
5282 mono_class_get_field (MonoClass *class, guint32 field_token)
5284 int idx = mono_metadata_token_index (field_token);
5286 g_assert (mono_metadata_token_code (field_token) == MONO_TOKEN_FIELD_DEF);
5288 return mono_class_get_field_idx (class, idx - 1);
5292 * mono_class_get_field_from_name:
5293 * @klass: the class to lookup the field.
5294 * @name: the field name
5296 * Search the class @klass and it's parents for a field with the name @name.
5298 * Returns: the MonoClassField pointer of the named field or NULL
5301 mono_class_get_field_from_name (MonoClass *klass, const char *name)
5303 return mono_class_get_field_from_name_full (klass, name, NULL);
5307 * mono_class_get_field_from_name_full:
5308 * @klass: the class to lookup the field.
5309 * @name: the field name
5310 * @type: the type of the fields. This optional.
5312 * Search the class @klass and it's parents for a field with the name @name and type @type.
5314 * If @klass is an inflated generic type, the type comparison is done with the equivalent field
5315 * of its generic type definition.
5317 * Returns: the MonoClassField pointer of the named field or NULL
5320 mono_class_get_field_from_name_full (MonoClass *klass, const char *name, MonoType *type)
5324 mono_class_setup_fields_locking (klass);
5326 for (i = 0; i < klass->field.count; ++i) {
5327 MonoClassField *field = &klass->fields [i];
5329 if (strcmp (name, mono_field_get_name (field)) != 0)
5333 MonoType *field_type = mono_metadata_get_corresponding_field_from_generic_type_definition (field)->type;
5334 if (!mono_metadata_type_equal_full (type, field_type, TRUE))
5339 klass = klass->parent;
5345 * mono_class_get_field_token:
5346 * @field: the field we need the token of
5348 * Get the token of a field. Note that the tokesn is only valid for the image
5349 * the field was loaded from. Don't use this function for fields in dynamic types.
5351 * Returns: the token representing the field in the image it was loaded from.
5354 mono_class_get_field_token (MonoClassField *field)
5356 MonoClass *klass = field->parent;
5359 mono_class_setup_fields_locking (klass);
5361 for (i = 0; i < klass->field.count; ++i) {
5362 if (&klass->fields [i] == field) {
5363 int idx = klass->field.first + i + 1;
5365 if (klass->image->uncompressed_metadata)
5366 idx = mono_metadata_translate_token_index (klass->image, MONO_TABLE_FIELD, idx);
5367 return mono_metadata_make_token (MONO_TABLE_FIELD, idx);
5370 klass = klass->parent;
5373 g_assert_not_reached ();
5378 mono_field_get_index (MonoClassField *field)
5380 int index = field - field->parent->fields;
5382 g_assert (index >= 0 && index < field->parent->field.count);
5388 * mono_class_get_field_default_value:
5390 * Return the default value of the field as a pointer into the metadata blob.
5393 mono_class_get_field_default_value (MonoClassField *field, MonoTypeEnum *def_type)
5396 guint32 constant_cols [MONO_CONSTANT_SIZE];
5398 MonoClass *klass = field->parent;
5400 g_assert (field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT);
5402 if (!klass->ext || !klass->ext->field_def_values) {
5403 mono_loader_lock ();
5404 mono_class_alloc_ext (klass);
5405 if (!klass->ext->field_def_values)
5406 klass->ext->field_def_values = mono_image_alloc0 (klass->image, sizeof (MonoFieldDefaultValue) * klass->field.count);
5407 mono_loader_unlock ();
5410 field_index = mono_field_get_index (field);
5412 if (!klass->ext->field_def_values [field_index].data) {
5413 cindex = mono_metadata_get_constant_index (field->parent->image, mono_class_get_field_token (field), 0);
5415 g_assert (!(field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA));
5417 mono_metadata_decode_row (&field->parent->image->tables [MONO_TABLE_CONSTANT], cindex - 1, constant_cols, MONO_CONSTANT_SIZE);
5418 klass->ext->field_def_values [field_index].def_type = constant_cols [MONO_CONSTANT_TYPE];
5419 klass->ext->field_def_values [field_index].data = (gpointer)mono_metadata_blob_heap (field->parent->image, constant_cols [MONO_CONSTANT_VALUE]);
5422 *def_type = klass->ext->field_def_values [field_index].def_type;
5423 return klass->ext->field_def_values [field_index].data;
5427 mono_class_get_event_token (MonoEvent *event)
5429 MonoClass *klass = event->parent;
5434 for (i = 0; i < klass->ext->event.count; ++i) {
5435 if (&klass->ext->events [i] == event)
5436 return mono_metadata_make_token (MONO_TABLE_EVENT, klass->ext->event.first + i + 1);
5439 klass = klass->parent;
5442 g_assert_not_reached ();
5447 mono_class_get_property_from_name (MonoClass *klass, const char *name)
5451 gpointer iter = NULL;
5452 while ((p = mono_class_get_properties (klass, &iter))) {
5453 if (! strcmp (name, p->name))
5456 klass = klass->parent;
5462 mono_class_get_property_token (MonoProperty *prop)
5464 MonoClass *klass = prop->parent;
5468 gpointer iter = NULL;
5469 while ((p = mono_class_get_properties (klass, &iter))) {
5470 if (&klass->ext->properties [i] == prop)
5471 return mono_metadata_make_token (MONO_TABLE_PROPERTY, klass->ext->property.first + i + 1);
5475 klass = klass->parent;
5478 g_assert_not_reached ();
5483 mono_class_name_from_token (MonoImage *image, guint32 type_token)
5485 const char *name, *nspace;
5487 return g_strdup_printf ("DynamicType 0x%08x", type_token);
5489 switch (type_token & 0xff000000){
5490 case MONO_TOKEN_TYPE_DEF: {
5491 guint32 cols [MONO_TYPEDEF_SIZE];
5492 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
5493 guint tidx = mono_metadata_token_index (type_token);
5495 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
5496 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5497 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5498 if (strlen (nspace) == 0)
5499 return g_strdup_printf ("%s", name);
5501 return g_strdup_printf ("%s.%s", nspace, name);
5504 case MONO_TOKEN_TYPE_REF: {
5505 guint32 cols [MONO_TYPEREF_SIZE];
5506 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
5508 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
5509 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
5510 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
5511 if (strlen (nspace) == 0)
5512 return g_strdup_printf ("%s", name);
5514 return g_strdup_printf ("%s.%s", nspace, name);
5517 case MONO_TOKEN_TYPE_SPEC:
5518 return g_strdup_printf ("Typespec 0x%08x", type_token);
5520 g_assert_not_reached ();
5527 mono_assembly_name_from_token (MonoImage *image, guint32 type_token)
5530 return g_strdup_printf ("DynamicAssembly %s", image->name);
5532 switch (type_token & 0xff000000){
5533 case MONO_TOKEN_TYPE_DEF:
5534 return mono_stringify_assembly_name (&image->assembly->aname);
5536 case MONO_TOKEN_TYPE_REF: {
5537 MonoAssemblyName aname;
5538 guint32 cols [MONO_TYPEREF_SIZE];
5539 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
5542 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
5544 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
5545 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
5546 case MONO_RESOLTION_SCOPE_MODULE:
5548 return g_strdup ("");
5549 case MONO_RESOLTION_SCOPE_MODULEREF:
5551 return g_strdup ("");
5552 case MONO_RESOLTION_SCOPE_TYPEREF:
5554 return g_strdup ("");
5555 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
5556 mono_assembly_get_assemblyref (image, idx - 1, &aname);
5557 return mono_stringify_assembly_name (&aname);
5559 g_assert_not_reached ();
5563 case MONO_TOKEN_TYPE_SPEC:
5565 return g_strdup ("");
5567 g_assert_not_reached ();
5574 * mono_class_get_full:
5575 * @image: the image where the class resides
5576 * @type_token: the token for the class
5577 * @context: the generic context used to evaluate generic instantiations in
5579 * Returns: the MonoClass that represents @type_token in @image
5582 mono_class_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
5584 MonoClass *class = NULL;
5586 if (image->dynamic) {
5587 int table = mono_metadata_token_table (type_token);
5589 if (table != MONO_TABLE_TYPEDEF && table != MONO_TABLE_TYPEREF && table != MONO_TABLE_TYPESPEC) {
5590 mono_loader_set_error_bad_image (g_strdup ("Bad type token."));
5593 return mono_lookup_dynamic_token (image, type_token, context);
5596 switch (type_token & 0xff000000){
5597 case MONO_TOKEN_TYPE_DEF:
5598 class = mono_class_create_from_typedef (image, type_token);
5600 case MONO_TOKEN_TYPE_REF:
5601 class = mono_class_from_typeref (image, type_token);
5603 case MONO_TOKEN_TYPE_SPEC:
5604 class = mono_class_create_from_typespec (image, type_token, context);
5607 g_warning ("unknown token type %x", type_token & 0xff000000);
5608 g_assert_not_reached ();
5612 char *name = mono_class_name_from_token (image, type_token);
5613 char *assembly = mono_assembly_name_from_token (image, type_token);
5614 mono_loader_set_error_type_load (name, assembly);
5622 * mono_type_get_full:
5623 * @image: the image where the type resides
5624 * @type_token: the token for the type
5625 * @context: the generic context used to evaluate generic instantiations in
5627 * This functions exists to fullfill the fact that sometimes it's desirable to have access to the
5629 * Returns: the MonoType that represents @type_token in @image
5632 mono_type_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
5634 MonoType *type = NULL;
5635 gboolean inflated = FALSE;
5637 //FIXME: this will not fix the very issue for which mono_type_get_full exists -but how to do it then?
5639 return mono_class_get_type (mono_lookup_dynamic_token (image, type_token, context));
5641 if ((type_token & 0xff000000) != MONO_TOKEN_TYPE_SPEC) {
5642 MonoClass *class = mono_class_get_full (image, type_token, context);
5643 return class ? mono_class_get_type (class) : NULL;
5646 type = mono_type_retrieve_from_typespec (image, type_token, context, &inflated);
5649 char *name = mono_class_name_from_token (image, type_token);
5650 char *assembly = mono_assembly_name_from_token (image, type_token);
5652 mono_metadata_free_type (type);
5653 mono_loader_set_error_type_load (name, assembly);
5657 MonoType *tmp = type;
5658 type = mono_class_get_type (mono_class_from_mono_type (type));
5659 /* FIXME: This is a workaround fo the fact that a typespec token sometimes reference to the generic type definition.
5660 * A MonoClass::byval_arg of a generic type definion has type CLASS.
5661 * Some parts of mono create a GENERICINST to reference a generic type definition and this generates confict with byval_arg.
5663 * The long term solution is to chaise this places and make then set MonoType::type correctly.
5665 if (type->type != tmp->type)
5668 mono_metadata_free_type (tmp);
5675 mono_class_get (MonoImage *image, guint32 type_token)
5677 return mono_class_get_full (image, type_token, NULL);
5681 * mono_image_init_name_cache:
5683 * Initializes the class name cache stored in image->name_cache.
5685 * LOCKING: Acquires the corresponding image lock.
5688 mono_image_init_name_cache (MonoImage *image)
5690 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5691 guint32 cols [MONO_TYPEDEF_SIZE];
5694 guint32 i, visib, nspace_index;
5695 GHashTable *name_cache2, *nspace_table;
5697 mono_image_lock (image);
5699 if (image->name_cache) {
5700 mono_image_unlock (image);
5704 image->name_cache = g_hash_table_new (g_str_hash, g_str_equal);
5706 if (image->dynamic) {
5707 mono_image_unlock (image);
5711 /* Temporary hash table to avoid lookups in the nspace_table */
5712 name_cache2 = g_hash_table_new (NULL, NULL);
5714 for (i = 1; i <= t->rows; ++i) {
5715 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5716 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5718 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5719 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5721 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5723 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5724 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5726 nspace_index = cols [MONO_TYPEDEF_NAMESPACE];
5727 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5728 if (!nspace_table) {
5729 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5730 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5731 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5734 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (i));
5737 /* Load type names from EXPORTEDTYPES table */
5739 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
5740 guint32 cols [MONO_EXP_TYPE_SIZE];
5743 for (i = 0; i < t->rows; ++i) {
5744 mono_metadata_decode_row (t, i, cols, MONO_EXP_TYPE_SIZE);
5745 name = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAME]);
5746 nspace = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAMESPACE]);
5748 nspace_index = cols [MONO_EXP_TYPE_NAMESPACE];
5749 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5750 if (!nspace_table) {
5751 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5752 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5753 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5756 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (mono_metadata_make_token (MONO_TABLE_EXPORTEDTYPE, i + 1)));
5760 g_hash_table_destroy (name_cache2);
5761 mono_image_unlock (image);
5764 /*FIXME Only dynamic assemblies should allow this operation.*/
5766 mono_image_add_to_name_cache (MonoImage *image, const char *nspace,
5767 const char *name, guint32 index)
5769 GHashTable *nspace_table;
5770 GHashTable *name_cache;
5772 mono_image_lock (image);
5774 if (!image->name_cache)
5775 mono_image_init_name_cache (image);
5777 name_cache = image->name_cache;
5778 if (!(nspace_table = g_hash_table_lookup (name_cache, nspace))) {
5779 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5780 g_hash_table_insert (name_cache, (char *)nspace, (char *)nspace_table);
5782 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (index));
5784 mono_image_unlock (image);
5793 find_nocase (gpointer key, gpointer value, gpointer user_data)
5795 char *name = (char*)key;
5796 FindUserData *data = (FindUserData*)user_data;
5798 if (!data->value && (g_strcasecmp (name, (char*)data->key) == 0))
5799 data->value = value;
5803 * mono_class_from_name_case:
5804 * @image: The MonoImage where the type is looked up in
5805 * @name_space: the type namespace
5806 * @name: the type short name.
5808 * Obtains a MonoClass with a given namespace and a given name which
5809 * is located in the given MonoImage. The namespace and name
5810 * lookups are case insensitive.
5813 mono_class_from_name_case (MonoImage *image, const char* name_space, const char *name)
5815 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5816 guint32 cols [MONO_TYPEDEF_SIZE];
5821 if (image->dynamic) {
5823 FindUserData user_data;
5825 mono_image_lock (image);
5827 if (!image->name_cache)
5828 mono_image_init_name_cache (image);
5830 user_data.key = name_space;
5831 user_data.value = NULL;
5832 g_hash_table_foreach (image->name_cache, find_nocase, &user_data);
5834 if (user_data.value) {
5835 GHashTable *nspace_table = (GHashTable*)user_data.value;
5837 user_data.key = name;
5838 user_data.value = NULL;
5840 g_hash_table_foreach (nspace_table, find_nocase, &user_data);
5842 if (user_data.value)
5843 token = GPOINTER_TO_UINT (user_data.value);
5846 mono_image_unlock (image);
5849 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | token);
5855 /* add a cache if needed */
5856 for (i = 1; i <= t->rows; ++i) {
5857 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5858 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5860 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5861 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5863 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5865 n = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5866 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5867 if (g_strcasecmp (n, name) == 0 && g_strcasecmp (nspace, name_space) == 0)
5868 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | i);
5874 return_nested_in (MonoClass *class, char *nested)
5877 char *s = strchr (nested, '/');
5878 gpointer iter = NULL;
5885 while ((found = mono_class_get_nested_types (class, &iter))) {
5886 if (strcmp (found->name, nested) == 0) {
5888 return return_nested_in (found, s);
5896 search_modules (MonoImage *image, const char *name_space, const char *name)
5898 MonoTableInfo *file_table = &image->tables [MONO_TABLE_FILE];
5899 MonoImage *file_image;
5904 * The EXPORTEDTYPES table only contains public types, so have to search the
5906 * Note: image->modules contains the contents of the MODULEREF table, while
5907 * the real module list is in the FILE table.
5909 for (i = 0; i < file_table->rows; i++) {
5910 guint32 cols [MONO_FILE_SIZE];
5911 mono_metadata_decode_row (file_table, i, cols, MONO_FILE_SIZE);
5912 if (cols [MONO_FILE_FLAGS] == FILE_CONTAINS_NO_METADATA)
5915 file_image = mono_image_load_file_for_image (image, i + 1);
5917 class = mono_class_from_name (file_image, name_space, name);
5927 * mono_class_from_name:
5928 * @image: The MonoImage where the type is looked up in
5929 * @name_space: the type namespace
5930 * @name: the type short name.
5932 * Obtains a MonoClass with a given namespace and a given name which
5933 * is located in the given MonoImage.
5936 mono_class_from_name (MonoImage *image, const char* name_space, const char *name)
5938 GHashTable *nspace_table;
5939 MonoImage *loaded_image;
5946 if ((nested = strchr (name, '/'))) {
5947 int pos = nested - name;
5948 int len = strlen (name);
5951 memcpy (buf, name, len + 1);
5953 nested = buf + pos + 1;
5957 if (get_class_from_name) {
5958 gboolean res = get_class_from_name (image, name_space, name, &class);
5961 class = search_modules (image, name_space, name);
5963 return class ? return_nested_in (class, nested) : NULL;
5969 mono_image_lock (image);
5971 if (!image->name_cache)
5972 mono_image_init_name_cache (image);
5974 nspace_table = g_hash_table_lookup (image->name_cache, name_space);
5977 token = GPOINTER_TO_UINT (g_hash_table_lookup (nspace_table, name));
5979 mono_image_unlock (image);
5981 if (!token && image->dynamic && image->modules) {
5982 /* Search modules as well */
5983 for (i = 0; i < image->module_count; ++i) {
5984 MonoImage *module = image->modules [i];
5986 class = mono_class_from_name (module, name_space, name);
5993 class = search_modules (image, name_space, name);
6001 if (mono_metadata_token_table (token) == MONO_TABLE_EXPORTEDTYPE) {
6002 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
6003 guint32 cols [MONO_EXP_TYPE_SIZE];
6006 idx = mono_metadata_token_index (token);
6008 mono_metadata_decode_row (t, idx - 1, cols, MONO_EXP_TYPE_SIZE);
6010 impl = cols [MONO_EXP_TYPE_IMPLEMENTATION];
6011 if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_FILE) {
6012 loaded_image = mono_assembly_load_module (image->assembly, impl >> MONO_IMPLEMENTATION_BITS);
6015 class = mono_class_from_name (loaded_image, name_space, name);
6017 return return_nested_in (class, nested);
6019 } else if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_ASSEMBLYREF) {
6020 guint32 assembly_idx;
6022 assembly_idx = impl >> MONO_IMPLEMENTATION_BITS;
6024 mono_assembly_load_reference (image, assembly_idx - 1);
6025 g_assert (image->references [assembly_idx - 1]);
6026 if (image->references [assembly_idx - 1] == (gpointer)-1)
6029 /* FIXME: Cycle detection */
6030 return mono_class_from_name (image->references [assembly_idx - 1]->image, name_space, name);
6032 g_error ("not yet implemented");
6036 token = MONO_TOKEN_TYPE_DEF | token;
6038 class = mono_class_get (image, token);
6040 return return_nested_in (class, nested);
6045 mono_class_is_subclass_of (MonoClass *klass, MonoClass *klassc,
6046 gboolean check_interfaces)
6048 g_assert (klassc->idepth > 0);
6049 if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && !MONO_CLASS_IS_INTERFACE (klass)) {
6050 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, klassc->interface_id))
6052 } else if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && MONO_CLASS_IS_INTERFACE (klass)) {
6055 for (i = 0; i < klass->interface_count; i ++) {
6056 MonoClass *ic = klass->interfaces [i];
6061 if (!MONO_CLASS_IS_INTERFACE (klass) && mono_class_has_parent (klass, klassc))
6066 * MS.NET thinks interfaces are a subclass of Object, so we think it as
6069 if (klassc == mono_defaults.object_class)
6076 mono_class_has_variant_generic_params (MonoClass *klass)
6079 MonoGenericContainer *container;
6081 if (!klass->generic_class)
6084 container = klass->generic_class->container_class->generic_container;
6086 for (i = 0; i < container->type_argc; ++i)
6087 if (mono_generic_container_get_param_info (container, i)->flags & (MONO_GEN_PARAM_VARIANT|MONO_GEN_PARAM_COVARIANT))
6094 * mono_class_is_assignable_from:
6095 * @klass: the class to be assigned to
6096 * @oklass: the source class
6098 * Return: true if an instance of object oklass can be assigned to an
6099 * instance of object @klass
6102 mono_class_is_assignable_from (MonoClass *klass, MonoClass *oklass)
6105 mono_class_init (klass);
6107 if (!oklass->inited)
6108 mono_class_init (oklass);
6110 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
6111 return klass == oklass;
6113 if (MONO_CLASS_IS_INTERFACE (klass)) {
6114 if ((oklass->byval_arg.type == MONO_TYPE_VAR) || (oklass->byval_arg.type == MONO_TYPE_MVAR))
6117 /* interface_offsets might not be set for dynamic classes */
6118 if (oklass->reflection_info && !oklass->interface_bitmap)
6120 * oklass might be a generic type parameter but they have
6121 * interface_offsets set.
6123 return mono_reflection_call_is_assignable_to (oklass, klass);
6124 if (!oklass->interface_bitmap)
6125 /* Happens with generic instances of not-yet created dynamic types */
6127 if (MONO_CLASS_IMPLEMENTS_INTERFACE (oklass, klass->interface_id))
6130 if (mono_class_has_variant_generic_params (klass)) {
6131 if (oklass->generic_class) {
6133 gboolean match = FALSE;
6134 MonoClass *container_class1 = klass->generic_class->container_class;
6135 MonoClass *container_class2 = oklass->generic_class->container_class;
6138 * Check whenever the generic definition of oklass implements the
6139 * generic definition of klass. The IMPLEMENTS_INTERFACE stuff is not usable
6140 * here since the relevant tables are not set up.
6142 for (i = 0; i < container_class2->interface_offsets_count; ++i)
6143 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)))
6147 MonoGenericContainer *container;
6149 container = klass->generic_class->container_class->generic_container;
6152 for (i = 0; i < container->type_argc; ++i) {
6153 MonoClass *param1_class = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [i]);
6154 MonoClass *param2_class = mono_class_from_mono_type (oklass->generic_class->context.class_inst->type_argv [i]);
6156 if (param1_class->valuetype != param2_class->valuetype) {
6161 * The _VARIANT and _COVARIANT constants should read _COVARIANT and
6162 * _CONTRAVARIANT, but they are in a public header so we can't fix it.
6164 if (param1_class != param2_class) {
6165 if ((mono_generic_container_get_param_info (container, i)->flags & MONO_GEN_PARAM_VARIANT) && mono_class_is_assignable_from (param1_class, param2_class))
6167 else if (((mono_generic_container_get_param_info (container, i)->flags & MONO_GEN_PARAM_COVARIANT) && mono_class_is_assignable_from (param2_class, param1_class)))
6181 } else if (klass->rank) {
6182 MonoClass *eclass, *eoclass;
6184 if (oklass->rank != klass->rank)
6187 /* vectors vs. one dimensional arrays */
6188 if (oklass->byval_arg.type != klass->byval_arg.type)
6191 eclass = klass->cast_class;
6192 eoclass = oklass->cast_class;
6195 * a is b does not imply a[] is b[] when a is a valuetype, and
6196 * b is a reference type.
6199 if (eoclass->valuetype) {
6200 if ((eclass == mono_defaults.enum_class) ||
6201 (eclass == mono_defaults.enum_class->parent) ||
6202 (eclass == mono_defaults.object_class))
6206 return mono_class_is_assignable_from (klass->cast_class, oklass->cast_class);
6207 } else if (mono_class_is_nullable (klass)) {
6208 if (mono_class_is_nullable (oklass))
6209 return mono_class_is_assignable_from (klass->cast_class, oklass->cast_class);
6211 return mono_class_is_assignable_from (klass->cast_class, oklass);
6212 } else if (klass == mono_defaults.object_class)
6215 return mono_class_has_parent (oklass, klass);
6219 * mono_class_get_cctor:
6220 * @klass: A MonoClass pointer
6222 * Returns: the static constructor of @klass if it exists, NULL otherwise.
6225 mono_class_get_cctor (MonoClass *klass)
6227 MonoCachedClassInfo cached_info;
6229 if (!klass->has_cctor)
6232 if (mono_class_get_cached_class_info (klass, &cached_info))
6233 return mono_get_method (klass->image, cached_info.cctor_token, klass);
6235 if (klass->generic_class && !klass->methods)
6236 return mono_class_get_inflated_method (klass, mono_class_get_cctor (klass->generic_class->container_class));
6238 return mono_class_get_method_from_name_flags (klass, ".cctor", -1, METHOD_ATTRIBUTE_SPECIAL_NAME);
6242 * mono_class_get_finalizer:
6243 * @klass: The MonoClass pointer
6245 * Returns: the finalizer method of @klass if it exists, NULL otherwise.
6248 mono_class_get_finalizer (MonoClass *klass)
6250 MonoCachedClassInfo cached_info;
6253 mono_class_init (klass);
6254 if (!klass->has_finalize)
6257 if (mono_class_get_cached_class_info (klass, &cached_info))
6258 return mono_get_method (cached_info.finalize_image, cached_info.finalize_token, NULL);
6260 mono_class_setup_vtable (klass);
6261 return klass->vtable [finalize_slot];
6266 * mono_class_needs_cctor_run:
6267 * @klass: the MonoClass pointer
6268 * @caller: a MonoMethod describing the caller
6270 * Determines whenever the class has a static constructor and whenever it
6271 * needs to be called when executing CALLER.
6274 mono_class_needs_cctor_run (MonoClass *klass, MonoMethod *caller)
6278 method = mono_class_get_cctor (klass);
6280 return (method == caller) ? FALSE : TRUE;
6286 * mono_class_array_element_size:
6289 * Returns: the number of bytes an element of type @klass
6290 * uses when stored into an array.
6293 mono_class_array_element_size (MonoClass *klass)
6295 MonoType *type = &klass->byval_arg;
6298 switch (type->type) {
6301 case MONO_TYPE_BOOLEAN:
6305 case MONO_TYPE_CHAR:
6314 case MONO_TYPE_CLASS:
6315 case MONO_TYPE_STRING:
6316 case MONO_TYPE_OBJECT:
6317 case MONO_TYPE_SZARRAY:
6318 case MONO_TYPE_ARRAY:
6320 case MONO_TYPE_MVAR:
6321 return sizeof (gpointer);
6326 case MONO_TYPE_VALUETYPE:
6327 if (type->data.klass->enumtype) {
6328 type = mono_class_enum_basetype (type->data.klass);
6329 klass = klass->element_class;
6332 return mono_class_instance_size (klass) - sizeof (MonoObject);
6333 case MONO_TYPE_GENERICINST:
6334 type = &type->data.generic_class->container_class->byval_arg;
6337 case MONO_TYPE_VOID:
6341 g_error ("unknown type 0x%02x in mono_class_array_element_size", type->type);
6347 * mono_array_element_size:
6348 * @ac: pointer to a #MonoArrayClass
6350 * Returns: the size of single array element.
6353 mono_array_element_size (MonoClass *ac)
6355 g_assert (ac->rank);
6356 return ac->sizes.element_size;
6360 mono_ldtoken (MonoImage *image, guint32 token, MonoClass **handle_class,
6361 MonoGenericContext *context)
6363 if (image->dynamic) {
6364 MonoClass *tmp_handle_class;
6365 gpointer obj = mono_lookup_dynamic_token_class (image, token, TRUE, &tmp_handle_class, context);
6367 g_assert (tmp_handle_class);
6369 *handle_class = tmp_handle_class;
6371 if (tmp_handle_class == mono_defaults.typehandle_class)
6372 return &((MonoClass*)obj)->byval_arg;
6377 switch (token & 0xff000000) {
6378 case MONO_TOKEN_TYPE_DEF:
6379 case MONO_TOKEN_TYPE_REF:
6380 case MONO_TOKEN_TYPE_SPEC: {
6383 *handle_class = mono_defaults.typehandle_class;
6384 type = mono_type_get_full (image, token, context);
6387 mono_class_init (mono_class_from_mono_type (type));
6388 /* We return a MonoType* as handle */
6391 case MONO_TOKEN_FIELD_DEF: {
6393 guint32 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
6395 *handle_class = mono_defaults.fieldhandle_class;
6396 class = mono_class_get_full (image, MONO_TOKEN_TYPE_DEF | type, context);
6399 mono_class_init (class);
6400 return mono_class_get_field (class, token);
6402 case MONO_TOKEN_METHOD_DEF:
6403 case MONO_TOKEN_METHOD_SPEC: {
6405 meth = mono_get_method_full (image, token, NULL, context);
6407 *handle_class = mono_defaults.methodhandle_class;
6410 case MONO_TOKEN_MEMBER_REF: {
6411 guint32 cols [MONO_MEMBERREF_SIZE];
6413 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], mono_metadata_token_index (token) - 1, cols, MONO_MEMBERREF_SIZE);
6414 sig = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
6415 mono_metadata_decode_blob_size (sig, &sig);
6416 if (*sig == 0x6) { /* it's a field */
6418 MonoClassField *field;
6419 field = mono_field_from_token (image, token, &klass, context);
6421 *handle_class = mono_defaults.fieldhandle_class;
6425 meth = mono_get_method_full (image, token, NULL, context);
6427 *handle_class = mono_defaults.methodhandle_class;
6432 g_warning ("Unknown token 0x%08x in ldtoken", token);
6439 * This function might need to call runtime functions so it can't be part
6440 * of the metadata library.
6442 static MonoLookupDynamicToken lookup_dynamic = NULL;
6445 mono_install_lookup_dynamic_token (MonoLookupDynamicToken func)
6447 lookup_dynamic = func;
6451 mono_lookup_dynamic_token (MonoImage *image, guint32 token, MonoGenericContext *context)
6453 MonoClass *handle_class;
6455 return lookup_dynamic (image, token, TRUE, &handle_class, context);
6459 mono_lookup_dynamic_token_class (MonoImage *image, guint32 token, gboolean valid_token, MonoClass **handle_class, MonoGenericContext *context)
6461 return lookup_dynamic (image, token, valid_token, handle_class, context);
6464 static MonoGetCachedClassInfo get_cached_class_info = NULL;
6467 mono_install_get_cached_class_info (MonoGetCachedClassInfo func)
6469 get_cached_class_info = func;
6473 mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res)
6475 if (!get_cached_class_info)
6478 return get_cached_class_info (klass, res);
6482 mono_install_get_class_from_name (MonoGetClassFromName func)
6484 get_class_from_name = func;
6488 mono_class_get_image (MonoClass *klass)
6490 return klass->image;
6494 * mono_class_get_element_class:
6495 * @klass: the MonoClass to act on
6497 * Returns: the element class of an array or an enumeration.
6500 mono_class_get_element_class (MonoClass *klass)
6502 return klass->element_class;
6506 * mono_class_is_valuetype:
6507 * @klass: the MonoClass to act on
6509 * Returns: true if the MonoClass represents a ValueType.
6512 mono_class_is_valuetype (MonoClass *klass)
6514 return klass->valuetype;
6518 * mono_class_is_enum:
6519 * @klass: the MonoClass to act on
6521 * Returns: true if the MonoClass represents an enumeration.
6524 mono_class_is_enum (MonoClass *klass)
6526 return klass->enumtype;
6530 * mono_class_enum_basetype:
6531 * @klass: the MonoClass to act on
6533 * Returns: the underlying type representation for an enumeration.
6536 mono_class_enum_basetype (MonoClass *klass)
6538 if (klass->element_class == klass)
6542 return &klass->element_class->byval_arg;
6546 * mono_class_get_parent
6547 * @klass: the MonoClass to act on
6549 * Returns: the parent class for this class.
6552 mono_class_get_parent (MonoClass *klass)
6554 return klass->parent;
6558 * mono_class_get_nesting_type;
6559 * @klass: the MonoClass to act on
6561 * Returns: the container type where this type is nested or NULL if this type is not a nested type.
6564 mono_class_get_nesting_type (MonoClass *klass)
6566 return klass->nested_in;
6570 * mono_class_get_rank:
6571 * @klass: the MonoClass to act on
6573 * Returns: the rank for the array (the number of dimensions).
6576 mono_class_get_rank (MonoClass *klass)
6582 * mono_class_get_flags:
6583 * @klass: the MonoClass to act on
6585 * The type flags from the TypeDef table from the metadata.
6586 * see the TYPE_ATTRIBUTE_* definitions on tabledefs.h for the
6589 * Returns: the flags from the TypeDef table.
6592 mono_class_get_flags (MonoClass *klass)
6594 return klass->flags;
6598 * mono_class_get_name
6599 * @klass: the MonoClass to act on
6601 * Returns: the name of the class.
6604 mono_class_get_name (MonoClass *klass)
6610 * mono_class_get_namespace:
6611 * @klass: the MonoClass to act on
6613 * Returns: the namespace of the class.
6616 mono_class_get_namespace (MonoClass *klass)
6618 return klass->name_space;
6622 * mono_class_get_type:
6623 * @klass: the MonoClass to act on
6625 * This method returns the internal Type representation for the class.
6627 * Returns: the MonoType from the class.
6630 mono_class_get_type (MonoClass *klass)
6632 return &klass->byval_arg;
6636 * mono_class_get_type_token
6637 * @klass: the MonoClass to act on
6639 * This method returns type token for the class.
6641 * Returns: the type token for the class.
6644 mono_class_get_type_token (MonoClass *klass)
6646 return klass->type_token;
6650 * mono_class_get_byref_type:
6651 * @klass: the MonoClass to act on
6656 mono_class_get_byref_type (MonoClass *klass)
6658 return &klass->this_arg;
6662 * mono_class_num_fields:
6663 * @klass: the MonoClass to act on
6665 * Returns: the number of static and instance fields in the class.
6668 mono_class_num_fields (MonoClass *klass)
6670 return klass->field.count;
6674 * mono_class_num_methods:
6675 * @klass: the MonoClass to act on
6677 * Returns: the number of methods in the class.
6680 mono_class_num_methods (MonoClass *klass)
6682 return klass->method.count;
6686 * mono_class_num_properties
6687 * @klass: the MonoClass to act on
6689 * Returns: the number of properties in the class.
6692 mono_class_num_properties (MonoClass *klass)
6694 mono_class_setup_properties (klass);
6696 return klass->ext->property.count;
6700 * mono_class_num_events:
6701 * @klass: the MonoClass to act on
6703 * Returns: the number of events in the class.
6706 mono_class_num_events (MonoClass *klass)
6708 mono_class_setup_events (klass);
6710 return klass->ext->event.count;
6714 * mono_class_get_fields:
6715 * @klass: the MonoClass to act on
6717 * This routine is an iterator routine for retrieving the fields in a class.
6719 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6720 * iterate over all of the elements. When no more values are
6721 * available, the return value is NULL.
6723 * Returns: a @MonoClassField* on each iteration, or NULL when no more fields are available.
6726 mono_class_get_fields (MonoClass* klass, gpointer *iter)
6728 MonoClassField* field;
6732 mono_class_setup_fields_locking (klass);
6733 if (klass->exception_type)
6735 /* start from the first */
6736 if (klass->field.count) {
6737 return *iter = &klass->fields [0];
6745 if (field < &klass->fields [klass->field.count]) {
6746 return *iter = field;
6752 * mono_class_get_methods
6753 * @klass: the MonoClass to act on
6755 * This routine is an iterator routine for retrieving the fields in a class.
6757 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6758 * iterate over all of the elements. When no more values are
6759 * available, the return value is NULL.
6761 * Returns: a MonoMethod on each iteration or NULL when no more methods are available.
6764 mono_class_get_methods (MonoClass* klass, gpointer *iter)
6766 MonoMethod** method;
6770 mono_class_init (klass);
6772 mono_class_setup_methods (klass);
6773 /* start from the first */
6774 if (klass->method.count) {
6775 *iter = &klass->methods [0];
6776 return klass->methods [0];
6784 if (method < &klass->methods [klass->method.count]) {
6792 * mono_class_get_virtual_methods:
6794 * Iterate over the virtual methods of KLASS.
6796 * LOCKING: Assumes the loader lock is held (because of the klass->methods check).
6799 mono_class_get_virtual_methods (MonoClass* klass, gpointer *iter)
6801 MonoMethod** method;
6804 if (klass->methods || !MONO_CLASS_HAS_STATIC_METADATA (klass) || mono_debug_using_mono_debugger ()) {
6806 mono_class_setup_methods (klass);
6807 /* start from the first */
6808 method = &klass->methods [0];
6813 while (method < &klass->methods [klass->method.count]) {
6814 if (((*method)->flags & METHOD_ATTRIBUTE_VIRTUAL))
6818 if (method < &klass->methods [klass->method.count]) {
6825 /* Search directly in metadata to avoid calling setup_methods () */
6826 MonoMethod *res = NULL;
6832 start_index = GPOINTER_TO_UINT (*iter);
6835 for (i = start_index; i < klass->method.count; ++i) {
6836 guint32 cols [MONO_METHOD_SIZE];
6838 /* class->method.first points into the methodptr table */
6839 mono_metadata_decode_table_row (klass->image, MONO_TABLE_METHOD, klass->method.first + i, cols, MONO_METHOD_SIZE);
6841 if (cols [MONO_METHOD_FLAGS] & METHOD_ATTRIBUTE_VIRTUAL)
6845 if (i < klass->method.count) {
6846 res = mono_get_method (klass->image, MONO_TOKEN_METHOD_DEF | (klass->method.first + i + 1), klass);
6847 /* Add 1 here so the if (*iter) check fails */
6848 *iter = GUINT_TO_POINTER (i + 1);
6857 * mono_class_get_properties:
6858 * @klass: the MonoClass to act on
6860 * This routine is an iterator routine for retrieving the properties in a class.
6862 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6863 * iterate over all of the elements. When no more values are
6864 * available, the return value is NULL.
6866 * Returns: a @MonoProperty* on each invocation, or NULL when no more are available.
6869 mono_class_get_properties (MonoClass* klass, gpointer *iter)
6871 MonoProperty* property;
6875 mono_class_init (klass);
6877 mono_class_setup_properties (klass);
6878 /* start from the first */
6879 if (klass->ext->property.count) {
6880 return *iter = &klass->ext->properties [0];
6888 if (property < &klass->ext->properties [klass->ext->property.count]) {
6889 return *iter = property;
6895 * mono_class_get_events:
6896 * @klass: the MonoClass to act on
6898 * This routine is an iterator routine for retrieving the properties in a class.
6900 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6901 * iterate over all of the elements. When no more values are
6902 * available, the return value is NULL.
6904 * Returns: a @MonoEvent* on each invocation, or NULL when no more are available.
6907 mono_class_get_events (MonoClass* klass, gpointer *iter)
6913 mono_class_init (klass);
6915 mono_class_setup_events (klass);
6916 /* start from the first */
6917 if (klass->ext->event.count) {
6918 return *iter = &klass->ext->events [0];
6926 if (event < &klass->ext->events [klass->ext->event.count]) {
6927 return *iter = event;
6933 * mono_class_get_interfaces
6934 * @klass: the MonoClass to act on
6936 * This routine is an iterator routine for retrieving the interfaces implemented by this class.
6938 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6939 * iterate over all of the elements. When no more values are
6940 * available, the return value is NULL.
6942 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6945 mono_class_get_interfaces (MonoClass* klass, gpointer *iter)
6952 mono_class_init (klass);
6953 if (!klass->interfaces_inited)
6954 mono_class_setup_interfaces (klass);
6955 /* start from the first */
6956 if (klass->interface_count) {
6957 *iter = &klass->interfaces [0];
6958 return klass->interfaces [0];
6966 if (iface < &klass->interfaces [klass->interface_count]) {
6974 * mono_class_get_nested_types
6975 * @klass: the MonoClass to act on
6977 * This routine is an iterator routine for retrieving the nested types of a class.
6978 * This works only if @klass is non-generic, or a generic type definition.
6980 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6981 * iterate over all of the elements. When no more values are
6982 * available, the return value is NULL.
6984 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6987 mono_class_get_nested_types (MonoClass* klass, gpointer *iter)
6995 mono_class_init (klass);
6996 if (!klass->nested_classes_inited) {
6997 if (!klass->type_token)
6998 klass->nested_classes_inited = TRUE;
6999 mono_loader_lock ();
7000 if (!klass->nested_classes_inited) {
7001 i = mono_metadata_nesting_typedef (klass->image, klass->type_token, 1);
7004 guint32 cols [MONO_NESTED_CLASS_SIZE];
7005 mono_metadata_decode_row (&klass->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, cols, MONO_NESTED_CLASS_SIZE);
7006 nclass = mono_class_create_from_typedef (klass->image, MONO_TOKEN_TYPE_DEF | cols [MONO_NESTED_CLASS_NESTED]);
7007 mono_class_alloc_ext (klass);
7008 klass->ext->nested_classes = g_list_prepend_image (klass->image, klass->ext->nested_classes, nclass);
7010 i = mono_metadata_nesting_typedef (klass->image, klass->type_token, i + 1);
7013 mono_memory_barrier ();
7014 klass->nested_classes_inited = TRUE;
7015 mono_loader_unlock ();
7019 /* start from the first */
7020 if (klass->ext && klass->ext->nested_classes) {
7021 *iter = klass->ext->nested_classes;
7022 return klass->ext->nested_classes->data;
7024 /* no nested types */
7038 * mono_field_get_name:
7039 * @field: the MonoClassField to act on
7041 * Returns: the name of the field.
7044 mono_field_get_name (MonoClassField *field)
7050 * mono_field_get_type:
7051 * @field: the MonoClassField to act on
7053 * Returns: MonoType of the field.
7056 mono_field_get_type (MonoClassField *field)
7062 * mono_field_get_parent:
7063 * @field: the MonoClassField to act on
7065 * Returns: MonoClass where the field was defined.
7068 mono_field_get_parent (MonoClassField *field)
7070 return field->parent;
7074 * mono_field_get_flags;
7075 * @field: the MonoClassField to act on
7077 * The metadata flags for a field are encoded using the
7078 * FIELD_ATTRIBUTE_* constants. See the tabledefs.h file for details.
7080 * Returns: the flags for the field.
7083 mono_field_get_flags (MonoClassField *field)
7085 return field->type->attrs;
7089 * mono_field_get_offset;
7090 * @field: the MonoClassField to act on
7092 * Returns: the field offset.
7095 mono_field_get_offset (MonoClassField *field)
7097 return field->offset;
7101 mono_field_get_rva (MonoClassField *field)
7105 MonoClass *klass = field->parent;
7107 g_assert (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA);
7109 if (!klass->ext || !klass->ext->field_def_values) {
7110 mono_loader_lock ();
7111 mono_class_alloc_ext (klass);
7112 if (!klass->ext->field_def_values)
7113 klass->ext->field_def_values = mono_image_alloc0 (klass->image, sizeof (MonoFieldDefaultValue) * klass->field.count);
7114 mono_loader_unlock ();
7117 field_index = mono_field_get_index (field);
7119 if (!klass->ext->field_def_values [field_index].data && !klass->image->dynamic) {
7120 mono_metadata_field_info (field->parent->image, klass->field.first + field_index, NULL, &rva, NULL);
7122 g_warning ("field %s in %s should have RVA data, but hasn't", mono_field_get_name (field), field->parent->name);
7123 klass->ext->field_def_values [field_index].data = mono_image_rva_map (field->parent->image, rva);
7126 return klass->ext->field_def_values [field_index].data;
7130 * mono_field_get_data;
7131 * @field: the MonoClassField to act on
7133 * Returns: pointer to the metadata constant value or to the field
7134 * data if it has an RVA flag.
7137 mono_field_get_data (MonoClassField *field)
7139 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT) {
7140 MonoTypeEnum def_type;
7142 return mono_class_get_field_default_value (field, &def_type);
7143 } else if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA) {
7144 return mono_field_get_rva (field);
7151 * mono_property_get_name:
7152 * @prop: the MonoProperty to act on
7154 * Returns: the name of the property
7157 mono_property_get_name (MonoProperty *prop)
7163 * mono_property_get_set_method
7164 * @prop: the MonoProperty to act on.
7166 * Returns: the setter method of the property (A MonoMethod)
7169 mono_property_get_set_method (MonoProperty *prop)
7175 * mono_property_get_get_method
7176 * @prop: the MonoProperty to act on.
7178 * Returns: the setter method of the property (A MonoMethod)
7181 mono_property_get_get_method (MonoProperty *prop)
7187 * mono_property_get_parent:
7188 * @prop: the MonoProperty to act on.
7190 * Returns: the MonoClass where the property was defined.
7193 mono_property_get_parent (MonoProperty *prop)
7195 return prop->parent;
7199 * mono_property_get_flags:
7200 * @prop: the MonoProperty to act on.
7202 * The metadata flags for a property are encoded using the
7203 * PROPERTY_ATTRIBUTE_* constants. See the tabledefs.h file for details.
7205 * Returns: the flags for the property.
7208 mono_property_get_flags (MonoProperty *prop)
7214 * mono_event_get_name:
7215 * @event: the MonoEvent to act on
7217 * Returns: the name of the event.
7220 mono_event_get_name (MonoEvent *event)
7226 * mono_event_get_add_method:
7227 * @event: The MonoEvent to act on.
7229 * Returns: the @add' method for the event (a MonoMethod).
7232 mono_event_get_add_method (MonoEvent *event)
7238 * mono_event_get_remove_method:
7239 * @event: The MonoEvent to act on.
7241 * Returns: the @remove method for the event (a MonoMethod).
7244 mono_event_get_remove_method (MonoEvent *event)
7246 return event->remove;
7250 * mono_event_get_raise_method:
7251 * @event: The MonoEvent to act on.
7253 * Returns: the @raise method for the event (a MonoMethod).
7256 mono_event_get_raise_method (MonoEvent *event)
7258 return event->raise;
7262 * mono_event_get_parent:
7263 * @event: the MonoEvent to act on.
7265 * Returns: the MonoClass where the event is defined.
7268 mono_event_get_parent (MonoEvent *event)
7270 return event->parent;
7274 * mono_event_get_flags
7275 * @event: the MonoEvent to act on.
7277 * The metadata flags for an event are encoded using the
7278 * EVENT_* constants. See the tabledefs.h file for details.
7280 * Returns: the flags for the event.
7283 mono_event_get_flags (MonoEvent *event)
7285 return event->attrs;
7289 * mono_class_get_method_from_name:
7290 * @klass: where to look for the method
7291 * @name_space: name of the method
7292 * @param_count: number of parameters. -1 for any number.
7294 * Obtains a MonoMethod with a given name and number of parameters.
7295 * It only works if there are no multiple signatures for any given method name.
7298 mono_class_get_method_from_name (MonoClass *klass, const char *name, int param_count)
7300 return mono_class_get_method_from_name_flags (klass, name, param_count, 0);
7304 find_method_in_metadata (MonoClass *klass, const char *name, int param_count, int flags)
7306 MonoMethod *res = NULL;
7309 /* Search directly in the metadata to avoid calling setup_methods () */
7310 for (i = 0; i < klass->method.count; ++i) {
7311 guint32 cols [MONO_METHOD_SIZE];
7314 /* class->method.first points into the methodptr table */
7315 mono_metadata_decode_table_row (klass->image, MONO_TABLE_METHOD, klass->method.first + i, cols, MONO_METHOD_SIZE);
7317 if (!strcmp (mono_metadata_string_heap (klass->image, cols [MONO_METHOD_NAME]), name)) {
7318 method = mono_get_method (klass->image, MONO_TOKEN_METHOD_DEF | (klass->method.first + i + 1), klass);
7319 if ((param_count == -1) || mono_method_signature (method)->param_count == param_count) {
7330 * mono_class_get_method_from_name_flags:
7331 * @klass: where to look for the method
7332 * @name_space: name of the method
7333 * @param_count: number of parameters. -1 for any number.
7334 * @flags: flags which must be set in the method
7336 * Obtains a MonoMethod with a given name and number of parameters.
7337 * It only works if there are no multiple signatures for any given method name.
7340 mono_class_get_method_from_name_flags (MonoClass *klass, const char *name, int param_count, int flags)
7342 MonoMethod *res = NULL;
7345 mono_class_init (klass);
7347 if (klass->generic_class && !klass->methods) {
7348 res = mono_class_get_method_from_name_flags (klass->generic_class->container_class, name, param_count, flags);
7350 res = mono_class_inflate_generic_method_full (res, klass, mono_class_get_context (klass));
7354 if (klass->methods || !MONO_CLASS_HAS_STATIC_METADATA (klass)) {
7355 mono_class_setup_methods (klass);
7356 for (i = 0; i < klass->method.count; ++i) {
7357 MonoMethod *method = klass->methods [i];
7359 if (method->name[0] == name [0] &&
7360 !strcmp (name, method->name) &&
7361 (param_count == -1 || mono_method_signature (method)->param_count == param_count) &&
7362 ((method->flags & flags) == flags)) {
7369 res = find_method_in_metadata (klass, name, param_count, flags);
7376 * mono_class_set_failure:
7377 * @klass: class in which the failure was detected
7378 * @ex_type: the kind of exception/error to be thrown (later)
7379 * @ex_data: exception data (specific to each type of exception/error)
7381 * Keep a detected failure informations in the class for later processing.
7382 * Note that only the first failure is kept.
7384 * LOCKING: Acquires the loader lock.
7387 mono_class_set_failure (MonoClass *klass, guint32 ex_type, void *ex_data)
7389 if (klass->exception_type)
7392 mono_loader_lock ();
7393 klass->exception_type = ex_type;
7395 mono_image_property_insert (klass->image, klass, MONO_CLASS_PROP_EXCEPTION_DATA, ex_data);
7396 mono_loader_unlock ();
7402 * mono_class_get_exception_data:
7404 * Return the exception_data property of KLASS.
7406 * LOCKING: Acquires the loader lock.
7409 mono_class_get_exception_data (MonoClass *klass)
7411 return mono_image_property_lookup (klass->image, klass, MONO_CLASS_PROP_EXCEPTION_DATA);
7415 * mono_classes_init:
7417 * Initialize the resources used by this module.
7420 mono_classes_init (void)
7422 mono_counters_register ("Inflated methods size",
7423 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &inflated_methods_size);
7424 mono_counters_register ("Inflated classes",
7425 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &inflated_classes);
7426 mono_counters_register ("Inflated classes size",
7427 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &inflated_classes_size);
7428 mono_counters_register ("MonoClass size",
7429 MONO_COUNTER_METADATA | MONO_COUNTER_INT, &classes_size);
7430 mono_counters_register ("MonoClassExt size",
7431 MONO_COUNTER_METADATA | MONO_COUNTER_INT, &class_ext_size);
7435 * mono_classes_cleanup:
7437 * Free the resources used by this module.
7440 mono_classes_cleanup (void)
7442 if (global_interface_bitset)
7443 mono_bitset_free (global_interface_bitset);
7447 * mono_class_get_exception_for_failure:
7448 * @klass: class in which the failure was detected
7450 * Return a constructed MonoException than the caller can then throw
7451 * using mono_raise_exception - or NULL if no failure is present (or
7452 * doesn't result in an exception).
7455 mono_class_get_exception_for_failure (MonoClass *klass)
7457 gpointer exception_data = mono_class_get_exception_data (klass);
7459 switch (klass->exception_type) {
7460 case MONO_EXCEPTION_SECURITY_INHERITANCEDEMAND: {
7461 MonoDomain *domain = mono_domain_get ();
7462 MonoSecurityManager* secman = mono_security_manager_get_methods ();
7463 MonoMethod *method = exception_data;
7464 guint32 error = (method) ? MONO_METADATA_INHERITANCEDEMAND_METHOD : MONO_METADATA_INHERITANCEDEMAND_CLASS;
7465 MonoObject *exc = NULL;
7469 args [1] = mono_assembly_get_object (domain, mono_image_get_assembly (klass->image));
7470 args [2] = mono_type_get_object (domain, &klass->byval_arg);
7471 args [3] = (method) ? mono_method_get_object (domain, method, NULL) : NULL;
7473 mono_runtime_invoke (secman->inheritsecurityexception, NULL, args, &exc);
7474 return (MonoException*) exc;
7476 case MONO_EXCEPTION_TYPE_LOAD: {
7479 char *str = mono_type_get_full_name (klass);
7480 char *astr = klass->image->assembly? mono_stringify_assembly_name (&klass->image->assembly->aname): NULL;
7481 name = mono_string_new (mono_domain_get (), str);
7483 ex = mono_get_exception_type_load (name, astr);
7487 case MONO_EXCEPTION_MISSING_METHOD: {
7488 char *class_name = exception_data;
7489 char *assembly_name = class_name + strlen (class_name) + 1;
7491 return mono_get_exception_missing_method (class_name, assembly_name);
7493 case MONO_EXCEPTION_MISSING_FIELD: {
7494 char *class_name = exception_data;
7495 char *member_name = class_name + strlen (class_name) + 1;
7497 return mono_get_exception_missing_field (class_name, member_name);
7499 case MONO_EXCEPTION_FILE_NOT_FOUND: {
7500 char *msg_format = exception_data;
7501 char *assembly_name = msg_format + strlen (msg_format) + 1;
7502 char *msg = g_strdup_printf (msg_format, assembly_name);
7505 ex = mono_get_exception_file_not_found2 (msg, mono_string_new (mono_domain_get (), assembly_name));
7511 case MONO_EXCEPTION_BAD_IMAGE: {
7512 return mono_get_exception_bad_image_format (exception_data);
7515 MonoLoaderError *error;
7518 error = mono_loader_get_last_error ();
7520 ex = mono_loader_error_prepare_exception (error);
7524 /* TODO - handle other class related failures */
7531 is_nesting_type (MonoClass *outer_klass, MonoClass *inner_klass)
7533 outer_klass = mono_class_get_generic_type_definition (outer_klass);
7534 inner_klass = mono_class_get_generic_type_definition (inner_klass);
7536 if (outer_klass == inner_klass)
7538 inner_klass = inner_klass->nested_in;
7539 } while (inner_klass);
7544 mono_class_get_generic_type_definition (MonoClass *klass)
7546 return klass->generic_class ? klass->generic_class->container_class : klass;
7550 * Check if @klass is a subtype of @parent ignoring generic instantiations.
7552 * Generic instantiations are ignored for all super types of @klass.
7554 * Visibility checks ignoring generic instantiations.
7557 mono_class_has_parent_and_ignore_generics (MonoClass *klass, MonoClass *parent)
7560 klass = mono_class_get_generic_type_definition (klass);
7561 parent = mono_class_get_generic_type_definition (parent);
7563 for (i = 0; i < klass->idepth; ++i) {
7564 if (parent == mono_class_get_generic_type_definition (klass->supertypes [i]))
7570 * Subtype can only access parent members with family protection if the site object
7571 * is subclass of Subtype. For example:
7572 * class A { protected int x; }
7574 * void valid_access () {
7578 * void invalid_access () {
7585 is_valid_family_access (MonoClass *access_klass, MonoClass *member_klass, MonoClass *context_klass)
7587 if (!mono_class_has_parent_and_ignore_generics (access_klass, member_klass))
7590 if (context_klass == NULL)
7592 /*if access_klass is not member_klass context_klass must be type compat*/
7593 if (access_klass != member_klass && !mono_class_has_parent_and_ignore_generics (context_klass, access_klass))
7599 can_access_internals (MonoAssembly *accessing, MonoAssembly* accessed)
7602 if (accessing == accessed)
7604 if (!accessed || !accessing)
7606 mono_assembly_load_friends (accessed);
7607 for (tmp = accessed->friend_assembly_names; tmp; tmp = tmp->next) {
7608 MonoAssemblyName *friend = tmp->data;
7609 /* Be conservative with checks */
7612 if (strcmp (accessing->aname.name, friend->name))
7614 if (friend->public_key_token [0]) {
7615 if (!accessing->aname.public_key_token [0])
7617 if (!mono_public_tokens_are_equal (friend->public_key_token, accessing->aname.public_key_token))
7626 * If klass is a generic type or if it is derived from a generic type, return the
7627 * MonoClass of the generic definition
7628 * Returns NULL if not found
7631 get_generic_definition_class (MonoClass *klass)
7634 if (klass->generic_class && klass->generic_class->container_class)
7635 return klass->generic_class->container_class;
7636 klass = klass->parent;
7642 can_access_instantiation (MonoClass *access_klass, MonoGenericInst *ginst)
7645 for (i = 0; i < ginst->type_argc; ++i) {
7646 MonoType *type = ginst->type_argv[i];
7647 switch (type->type) {
7648 case MONO_TYPE_SZARRAY:
7649 if (!can_access_type (access_klass, type->data.klass))
7652 case MONO_TYPE_ARRAY:
7653 if (!can_access_type (access_klass, type->data.array->eklass))
7657 if (!can_access_type (access_klass, mono_class_from_mono_type (type->data.type)))
7660 case MONO_TYPE_CLASS:
7661 case MONO_TYPE_VALUETYPE:
7662 case MONO_TYPE_GENERICINST:
7663 if (!can_access_type (access_klass, mono_class_from_mono_type (type)))
7671 can_access_type (MonoClass *access_klass, MonoClass *member_klass)
7675 if (access_klass->element_class && !access_klass->enumtype)
7676 access_klass = access_klass->element_class;
7678 if (member_klass->element_class && !member_klass->enumtype)
7679 member_klass = member_klass->element_class;
7681 access_level = member_klass->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK;
7683 if (member_klass->byval_arg.type == MONO_TYPE_VAR || member_klass->byval_arg.type == MONO_TYPE_MVAR)
7686 if (member_klass->generic_class && !can_access_instantiation (access_klass, member_klass->generic_class->context.class_inst))
7689 if (is_nesting_type (access_klass, member_klass) || (access_klass->nested_in && is_nesting_type (access_klass->nested_in, member_klass)))
7692 if (member_klass->nested_in && !can_access_type (access_klass, member_klass->nested_in))
7695 switch (access_level) {
7696 case TYPE_ATTRIBUTE_NOT_PUBLIC:
7697 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7699 case TYPE_ATTRIBUTE_PUBLIC:
7702 case TYPE_ATTRIBUTE_NESTED_PUBLIC:
7705 case TYPE_ATTRIBUTE_NESTED_PRIVATE:
7706 return is_nesting_type (member_klass, access_klass);
7708 case TYPE_ATTRIBUTE_NESTED_FAMILY:
7709 return mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7711 case TYPE_ATTRIBUTE_NESTED_ASSEMBLY:
7712 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7714 case TYPE_ATTRIBUTE_NESTED_FAM_AND_ASSEM:
7715 return can_access_internals (access_klass->image->assembly, member_klass->nested_in->image->assembly) &&
7716 mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7718 case TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM:
7719 return can_access_internals (access_klass->image->assembly, member_klass->nested_in->image->assembly) ||
7720 mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7725 /* FIXME: check visibility of type, too */
7727 can_access_member (MonoClass *access_klass, MonoClass *member_klass, MonoClass* context_klass, int access_level)
7729 MonoClass *member_generic_def;
7730 if (((access_klass->generic_class && access_klass->generic_class->container_class) ||
7731 access_klass->generic_container) &&
7732 (member_generic_def = get_generic_definition_class (member_klass))) {
7733 MonoClass *access_container;
7735 if (access_klass->generic_container)
7736 access_container = access_klass;
7738 access_container = access_klass->generic_class->container_class;
7740 if (can_access_member (access_container, member_generic_def, context_klass, access_level))
7744 /* Partition I 8.5.3.2 */
7745 /* the access level values are the same for fields and methods */
7746 switch (access_level) {
7747 case FIELD_ATTRIBUTE_COMPILER_CONTROLLED:
7748 /* same compilation unit */
7749 return access_klass->image == member_klass->image;
7750 case FIELD_ATTRIBUTE_PRIVATE:
7751 return access_klass == member_klass;
7752 case FIELD_ATTRIBUTE_FAM_AND_ASSEM:
7753 if (is_valid_family_access (access_klass, member_klass, context_klass) &&
7754 can_access_internals (access_klass->image->assembly, member_klass->image->assembly))
7757 case FIELD_ATTRIBUTE_ASSEMBLY:
7758 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7759 case FIELD_ATTRIBUTE_FAMILY:
7760 if (is_valid_family_access (access_klass, member_klass, context_klass))
7763 case FIELD_ATTRIBUTE_FAM_OR_ASSEM:
7764 if (is_valid_family_access (access_klass, member_klass, context_klass))
7766 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7767 case FIELD_ATTRIBUTE_PUBLIC:
7774 mono_method_can_access_field (MonoMethod *method, MonoClassField *field)
7776 /* FIXME: check all overlapping fields */
7777 int can = can_access_member (method->klass, field->parent, NULL, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7779 MonoClass *nested = method->klass->nested_in;
7781 can = can_access_member (nested, field->parent, NULL, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7784 nested = nested->nested_in;
7791 mono_method_can_access_method (MonoMethod *method, MonoMethod *called)
7793 int can = can_access_member (method->klass, called->klass, NULL, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7795 MonoClass *nested = method->klass->nested_in;
7797 can = can_access_member (nested, called->klass, NULL, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7800 nested = nested->nested_in;
7805 * with generics calls to explicit interface implementations can be expressed
7806 * directly: the method is private, but we must allow it. This may be opening
7807 * a hole or the generics code should handle this differently.
7808 * Maybe just ensure the interface type is public.
7810 if ((called->flags & METHOD_ATTRIBUTE_VIRTUAL) && (called->flags & METHOD_ATTRIBUTE_FINAL))
7816 * mono_method_can_access_method_full:
7817 * @method: The caller method
7818 * @called: The called method
7819 * @context_klass: The static type on stack of the owner @called object used
7821 * This function must be used with instance calls, as they have more strict family accessibility.
7822 * It can be used with static methods, but context_klass should be NULL.
7824 * Returns: TRUE if caller have proper visibility and acessibility to @called
7827 mono_method_can_access_method_full (MonoMethod *method, MonoMethod *called, MonoClass *context_klass)
7829 MonoClass *access_class = method->klass;
7830 MonoClass *member_class = called->klass;
7831 int can = can_access_member (access_class, member_class, context_klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7833 MonoClass *nested = access_class->nested_in;
7835 can = can_access_member (nested, member_class, context_klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7838 nested = nested->nested_in;
7845 if (!can_access_type (access_class, member_class) && (!access_class->nested_in || !can_access_type (access_class->nested_in, member_class)))
7848 if (called->is_inflated) {
7849 MonoMethodInflated * infl = (MonoMethodInflated*)called;
7850 if (infl->context.method_inst && !can_access_instantiation (access_class, infl->context.method_inst))
7859 * mono_method_can_access_field_full:
7860 * @method: The caller method
7861 * @field: The accessed field
7862 * @context_klass: The static type on stack of the owner @field object used
7864 * This function must be used with instance fields, as they have more strict family accessibility.
7865 * It can be used with static fields, but context_klass should be NULL.
7867 * Returns: TRUE if caller have proper visibility and acessibility to @field
7870 mono_method_can_access_field_full (MonoMethod *method, MonoClassField *field, MonoClass *context_klass)
7872 MonoClass *access_class = method->klass;
7873 MonoClass *member_class = field->parent;
7874 /* FIXME: check all overlapping fields */
7875 int can = can_access_member (access_class, member_class, context_klass, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7877 MonoClass *nested = access_class->nested_in;
7879 can = can_access_member (nested, member_class, context_klass, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7882 nested = nested->nested_in;
7889 if (!can_access_type (access_class, member_class) && (!access_class->nested_in || !can_access_type (access_class->nested_in, member_class)))
7895 * mono_type_is_valid_enum_basetype:
7896 * @type: The MonoType to check
7898 * Returns: TRUE if the type can be used as the basetype of an enum
7900 gboolean mono_type_is_valid_enum_basetype (MonoType * type) {
7901 switch (type->type) {
7904 case MONO_TYPE_BOOLEAN:
7907 case MONO_TYPE_CHAR:
7920 * mono_class_is_valid_enum:
7921 * @klass: An enum class to be validated
7923 * This method verify the required properties an enum should have.
7925 * Returns: TRUE if the informed enum class is valid
7927 * FIXME: TypeBuilder enums are allowed to implement interfaces, but since they cannot have methods, only empty interfaces are possible
7928 * FIXME: enum types are not allowed to have a cctor, but mono_reflection_create_runtime_class sets has_cctor to 1 for all types
7929 * FIXME: TypeBuilder enums can have any kind of static fields, but the spec is very explicit about that (P II 14.3)
7931 gboolean mono_class_is_valid_enum (MonoClass *klass) {
7932 MonoClassField * field;
7933 gpointer iter = NULL;
7934 gboolean found_base_field = FALSE;
7936 g_assert (klass->enumtype);
7937 /* we cannot test against mono_defaults.enum_class, or mcs won't be able to compile the System namespace*/
7938 if (!klass->parent || strcmp (klass->parent->name, "Enum") || strcmp (klass->parent->name_space, "System") ) {
7942 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT)
7945 while ((field = mono_class_get_fields (klass, &iter))) {
7946 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
7947 if (found_base_field)
7949 found_base_field = TRUE;
7950 if (!mono_type_is_valid_enum_basetype (field->type))
7955 if (!found_base_field)
7958 if (klass->method.count > 0)
7965 mono_generic_class_is_generic_type_definition (MonoGenericClass *gklass)
7967 return gklass->context.class_inst == gklass->container_class->generic_container->context.class_inst;
7970 static gboolean gshared_supported;
7973 mono_set_generic_sharing_supported (gboolean supported)
7975 gshared_supported = supported;
7979 * mono_class_generic_sharing_enabled:
7982 * Returns whether generic sharing is enabled for class.
7984 * This is a stop-gap measure to slowly introduce generic sharing
7985 * until we have all the issues sorted out, at which time this
7986 * function will disappear and generic sharing will always be enabled.
7989 mono_class_generic_sharing_enabled (MonoClass *class)
7991 static int generic_sharing = MONO_GENERIC_SHARING_NONE;
7992 static gboolean inited = FALSE;
7997 if (gshared_supported)
7998 generic_sharing = MONO_GENERIC_SHARING_ALL;
8000 generic_sharing = MONO_GENERIC_SHARING_NONE;
8002 if ((option = g_getenv ("MONO_GENERIC_SHARING"))) {
8003 if (strcmp (option, "corlib") == 0)
8004 generic_sharing = MONO_GENERIC_SHARING_CORLIB;
8005 else if (strcmp (option, "collections") == 0)
8006 generic_sharing = MONO_GENERIC_SHARING_COLLECTIONS;
8007 else if (strcmp (option, "all") == 0)
8008 generic_sharing = MONO_GENERIC_SHARING_ALL;
8009 else if (strcmp (option, "none") == 0)
8010 generic_sharing = MONO_GENERIC_SHARING_NONE;
8012 g_warning ("Unknown generic sharing option `%s'.", option);
8015 if (!gshared_supported)
8016 generic_sharing = MONO_GENERIC_SHARING_NONE;
8021 switch (generic_sharing) {
8022 case MONO_GENERIC_SHARING_NONE:
8024 case MONO_GENERIC_SHARING_ALL:
8026 case MONO_GENERIC_SHARING_CORLIB :
8027 return class->image == mono_defaults.corlib;
8028 case MONO_GENERIC_SHARING_COLLECTIONS:
8029 if (class->image != mono_defaults.corlib)
8031 while (class->nested_in)
8032 class = class->nested_in;
8033 return g_str_has_prefix (class->name_space, "System.Collections.Generic");
8035 g_assert_not_reached ();
8040 * mono_class_setup_interface_id:
8042 * Initializes MonoClass::interface_id if required.
8044 * LOCKING: Acquires the loader lock.
8047 mono_class_setup_interface_id (MonoClass *class)
8049 mono_loader_lock ();
8050 if (MONO_CLASS_IS_INTERFACE (class) && !class->interface_id)
8051 class->interface_id = mono_get_unique_iid (class);
8052 mono_loader_unlock ();
8056 * mono_class_alloc_ext:
8058 * Allocate klass->ext if not already done.
8059 * LOCKING: Assumes the loader lock is held.
8062 mono_class_alloc_ext (MonoClass *klass)
8065 if (klass->generic_class) {
8066 klass->ext = g_new0 (MonoClassExt, 1);
8068 klass->ext = mono_image_alloc0 (klass->image, sizeof (MonoClassExt));
8070 class_ext_size += sizeof (MonoClassExt);
8075 * mono_class_setup_interfaces:
8077 * Initialize class->interfaces/interfaces_count.
8078 * LOCKING: Acquires the loader lock.
8081 mono_class_setup_interfaces (MonoClass *klass)
8085 if (klass->interfaces_inited)
8088 mono_loader_lock ();
8090 if (klass->interfaces_inited) {
8091 mono_loader_unlock ();
8095 if (klass->rank == 1 && klass->byval_arg.type != MONO_TYPE_ARRAY && mono_defaults.generic_ilist_class) {
8098 /* generic IList, ICollection, IEnumerable */
8099 klass->interface_count = 1;
8100 klass->interfaces = mono_image_alloc0 (klass->image, sizeof (MonoClass*) * klass->interface_count);
8102 args [0] = &klass->element_class->byval_arg;
8103 klass->interfaces [0] = mono_class_bind_generic_parameters (
8104 mono_defaults.generic_ilist_class, 1, args, FALSE);
8105 } else if (klass->generic_class) {
8106 MonoClass *gklass = klass->generic_class->container_class;
8108 klass->interface_count = gklass->interface_count;
8109 klass->interfaces = g_new0 (MonoClass *, klass->interface_count);
8110 for (i = 0; i < klass->interface_count; i++)
8111 klass->interfaces [i] = mono_class_inflate_generic_class (gklass->interfaces [i], mono_generic_class_get_context (klass->generic_class));
8114 mono_memory_barrier ();
8116 klass->interfaces_inited = TRUE;
8118 mono_loader_unlock ();